TWI519008B - Electric wire to board connector - Google Patents

Description

Wire to substrate connector

The present invention relates to a connector for a wire to substrate.

As such a technique, Patent Document 1 discloses a connector having a socket connector 100 shown in Fig. 29 of the present invention and a base connector 101 shown in Fig. 30 of the present invention. .

The socket connector 100 includes a housing 102 and a plurality of socket contacts (not shown) that are locked to the housing 102. A wire extending substantially forward is attached to each of the socket contacts.

The susceptor connector 101 is fixed to the printed circuit board by solder bonding. The susceptor connector 101 includes a housing 103 and a plurality of contacts 104 held by the housing 103. A recess 105 is formed in the outer casing 103 so as to open in a direction away from the printed substrate. The receptacle connector 100 is capable of being inserted into and removed from the recess 105 of the base connector 101 along the insertion and removal direction orthogonal to the printed substrate.

A pair of locking pieces 106 are formed to protrude from the end surface of the outer casing 102 of the receptacle connector 100. A pair of fitting grooves 107 are formed in the outer casing 103 of the base connector 101. Then, in a state in which the socket connector 100 and the base connector 101 are coupled, the pair of locking pieces 106 of the outer casing 102 of the socket connector 100 are embedded with the pair of fitting grooves 107 of the outer casing 103 of the base connector 101. Hehe. The pair of locking pieces 106 and the pair of fitting grooves 107 constitute a lock mechanism for maintaining the state in which the socket connector 100 is locked to the base connector 101.

(previous technical literature) (Patent Literature)

Patent Document 1: Japanese Patent No. 4020907

However, in the configuration of Patent Document 1, when the wire is lifted upward in a direction away from the printed substrate, the socket connector 100 is detached from the base connector 101. On the other hand, there is a potential for a desire to detach the receptacle connector 100 from the cradle connector 101 in accordance with the scene.

An object of the present invention is to provide a connector that can maintain a fitted state even when an electric wire is lifted upward in a direction away from the substrate, and can intentionally release the fitting state.

According to a first aspect of the present invention, a connector for a wire-to-substrate can be provided, comprising: a plug connector having a plug contact to which a wire is attached, and a plug case holding the plug contact; and a socket connector a socket contact corresponding to the plug contact and a socket housing holding the socket contact, and mounted on a connector mounting surface of the substrate; and the plug connector is fitted to the socket connector The plug contact is brought into contact with the socket contact; and in a fitting state in which the plug connector is fitted to the socket connector, as a portion of the electric wire located near a portion of the plug connector, And extending along the connector mounting surface of the substrate; a direction in which the plug connector is fitted in the direction of the socket connector is in a direction close to the connector mounting surface of the substrate; and the plug housing is Having a side of the plug as a side of the plug housing; the socket connector having opposite sides in the aforementioned fitting state a side surface facing portion of the plug side surface; a claw portion protruding from the side surface facing portion side on the side surface of the plug; the claw portion having a plug locking surface facing away from the connector mounting surface of the substrate a direction extending toward the direction of the wire in the longitudinal direction of the proximal portion of the mating state; the side facing portion of the receptacle connector having a socket locking surface facing the aforementioned connection to the substrate a direction of the mounting surface of the device, and facing the plug locking surface in the fitting state; the plug locking surface has a locking maintaining surface, and is disposed in the wire direction as viewed from the plug connector The connector wire direction side in which the direction of the wire is viewed; and the unlocking surface are disposed on the wire connector direction side opposite to the direction of the connector wire; in a cross section orthogonal to the wire direction, when The angle between the reference surface and the lock maintaining surface is assumed to be the lock maintaining angle (θ 1), and when the angle between the reference surface and the unlocking surface is assumed to be the lock release angle (θ 2 ), the lock maintaining angle (θ) 1) Smaller than the lock release angle (θ 2 ); the reference surface is a portion of the side surface of the plug that is further away from the connector mounting surface of the substrate than the claw portion.

Preferably, the lock release angle (θ 2) is larger than 90 degrees.

Preferably, the lock maintaining angle (θ 1) is 90 degrees or less.

Preferably, the unlocking surface is inclined so as to approach the side surface of the plug toward the wire connector.

Preferably, the unlocking surface is connected to an edge of the lock maintaining surface that is away from the side of the plug side.

Preferably, an inclined surface that is inclined so as to approach the side surface of the plug toward the wire connector is formed at an end portion of the claw portion on the side of the wire connector; the inclined surface and the unlocking surface are connection.

Preferably, the side facing portion includes a locking piece supporting portion and a locking piece supported by the locking piece supporting portion; the locking piece is configured to be held by the locking piece supporting portion. a locking piece holding portion and a cantilever beam shape facing the locking piece opposing portion on the side surface of the plug; the locking piece opposing portion being elastically displaceable in a direction away from the side surface of the plug; the socket locking surface being formed in the foregoing Lock the wafer facing part.

Preferably, the side facing portion has a displacement restricting portion that is disposed on a side opposite to the connector mounting surface of the substrate via the locking piece opposing portion, thereby restricting the locking piece facing portion It is elastically displaced in a direction away from the connector mounting surface of the substrate.

Preferably, the locking piece holding portion and the locking piece opposing portion are formed along the wire direction.

Preferably, the end portion of the locking piece holding portion on the side of the electric wire connector and the end portion of the locking piece opposing portion on the side of the electric wire connector are connected.

Preferably, the plug housing is provided with a releasing projection for tilting the plug connector so that the electric wire approaches the connector mounting surface of the substrate.

Preferably, the release projection is formed so as to protrude from the end portion of the plug housing on the side of the electric wire connector in the direction of the electric wire connector.

According to a second aspect of the present invention, a connector for a wire-to-substrate can be provided, comprising: a plug connector having a plug contact to which a wire is attached, and a plug case holding the plug contact; and a socket connector a socket contact corresponding to the plug contact and a socket housing holding the socket contact, and mounted on a connector mounting surface of the substrate; and the plug connector is fitted to the socket connector The plug contact is brought into contact with the socket contact; and in a fitting state in which the plug connector is fitted to the socket connector, as a portion of the electric wire located near a portion of the plug connector, Along the aforementioned base The connector mounting surface of the board extends; the fitting direction in which the plug connector is fitted in the direction of the socket connector is in a direction close to the connector mounting surface of the substrate; and the plug housing has the plug a plug side surface on a side surface of the outer casing; the socket connector has a side facing portion facing the side surface of the plug in the fitting state; and a claw portion protruding from the side surface facing portion side is provided on the side surface of the plug; The claw portion has a plug locking surface that faces away from the connector mounting surface of the substrate, and that extends toward a wire direction that is specified as a longitudinal direction of the proximal portion in the fitting state; the socket connection The side facing portion of the device has a socket locking surface facing the connector mounting surface of the substrate, and facing the plug locking surface in the fitting state; the plug locking surface has: The lock maintaining surface is disposed to view the electric power from the plug connector as the electric wire direction The connector wire direction side in the direction and the lock release surface are disposed on the wire connector direction side opposite to the connector wire direction; the lock release surface is adjacent to the substrate as being away from the plug side surface The connector mounting surface is formed by bending.

According to a third aspect of the present invention, a connector for a wire-to-substrate can be provided, comprising: a plug connector having a plug contact to which a wire is attached, and a plug case holding the plug contact; and a socket connector a socket contact corresponding to the plug contact and a socket housing holding the socket contact, and mounted on a connector mounting surface of the substrate; and the plug connector is fitted to the socket connector Causing the plug contact to contact the socket contact; being fitted as the plug connector In a fitting state in a state of the socket connector, a vicinity of a portion of the electric wire that is located in the vicinity of the plug connector extends along the connector mounting surface of the substrate; and the plug connector is fitted a fitting direction in a direction of the socket connector is a direction close to the connector mounting surface of the substrate; the plug housing has a plug side surface as a side surface of the plug housing; and the socket connector has the fitting a side facing portion facing the side surface of the plug; a claw portion protruding from the side surface of the side of the plug; and the claw portion having a plug locking surface facing away from the substrate a direction in which the connector mounting surface is oriented and extending toward a wire direction that is specified as a longitudinal direction of the near side portion in the fitting state; the side facing portion of the socket connector has a socket locking surface that is close to the surface The direction of the connector mounting surface of the substrate, and the plug locking in the aforementioned fitting state The plug locking surface has a lock maintaining surface, and is disposed on a connector wire direction side that is a direction in which the wire is viewed from the plug connector as a direction of the wire; and a lock release surface is disposed a wire connector direction side opposite to the direction of the connector wire; in a cross section orthogonal to the wire direction, when an angle between the reference face and the lock maintaining face is assumed to be a lock maintaining angle (θ 1), When the angle between the reference plane and the lock release surface is assumed to be the lock release angle (θ 2), the lock maintaining angle (θ 1) is smaller than the lock release angle (θ 2), wherein the reference plane is the aforementioned plug a portion of the side surface that is further away from the connector mounting surface of the substrate than the claw portion; the side facing portion includes a locking piece supporting portion and a support portion supported by the locking piece supporting portion The locking piece is configured to have a locking piece holding portion held by the locking piece supporting portion and a cantilever beam shape facing the locking piece facing portion of the plug side surface; the locking piece pair The directional portion is elastically displaceable in a direction away from the side surface of the plug; the side surface of the plug of the plug housing is provided with an overhanging portion that protrudes toward the locking piece side of the side opposite portion, and in the aforementioned fitting state The overhanging portion is in contact with a portion of the opposing portion of the locking piece that is elastically displaceable.

When the electric wire is lifted upward in a direction away from the connector mounting surface of the substrate to tilt the plug connector, the lock maintaining surface preferentially contacts the socket locking surface than the lock releasing surface. On the other hand, when the plug connector is intentionally tilted so that the wire is close to the connector mounting surface of the substrate, the lock release surface preferentially contacts the socket lock surface than the lock maintaining surface. . Therefore, according to the above configuration, when the electric wire is lifted upward in a direction away from the connector mounting surface of the substrate, the opposing relationship between the plug locking surface and the socket locking surface is not easily eliminated. Maintaining the fitting state; when the plug connector is intentionally tilted so that the wire is close to the connector mounting surface of the substrate, the opposing relationship between the plug locking surface and the socket locking surface is eliminated. The aforementioned fitting state is easily released. Thereby, it is possible to maintain the fitting state even when the electric wire is lifted upward in a direction away from the connector mounting surface of the substrate, and it is possible to intentionally The wire-to-substrate connector in the fitted state is released.

1‧‧‧Wire-to-substrate connector

2‧‧‧ plug connector

3‧‧‧Socket connector

4‧‧‧ plug contacts

4a‧‧‧Contacts

5‧‧‧ plug housing

6‧‧‧Wire

6a‧‧‧near the side

7‧‧‧Socket contacts

7a‧‧‧ soldering feet

8‧‧‧Socket housing

9‧‧‧Auxiliary metal parts (locking piece)

10‧‧‧Circuit board (substrate)

10a‧‧‧Connector mounting surface

15‧‧‧Substrate facing

16‧‧‧Socket contact retention

17‧‧‧Side (locking piece support)

18‧‧‧Socket contact mounting hole

19‧‧‧ End

20‧‧‧ positioning groove side square wall

21‧‧‧ Positioning section in front of the positioning groove

22‧‧‧ Press into the side wall of the trough

23‧‧‧Indented into the front of the trough

24‧‧‧ Press into the inner wall of the trough

24a‧‧‧End

25‧‧‧Displacement Restriction Department

26‧‧‧ pressed into the slot

27‧‧‧Sloping guide surface

28‧‧‧Upright guide surface

29‧‧‧Restricted face

30‧‧‧Locking piece being held

30a‧‧‧Indented

31‧‧‧Locking section

31a‧‧‧End

32‧‧‧Locking piece joint

33‧‧‧ solder feet

34‧‧‧ opposite body

35‧‧‧Restricted protrusion

35a‧‧‧Restricted face

36‧‧‧Lock hole

37‧‧‧Locking beam

38‧‧‧Socket locking surface

39‧‧‧Connected opposite faces

40‧‧‧Assembled guide surface

41‧‧‧ positioning slot

50‧‧‧ plug housing body

50a‧‧‧ plug side

51‧‧‧Relief

52‧‧‧ Positioning protrusion

53‧‧‧ claws

54‧‧‧ plug contact mounting hole

60‧‧‧plug locking surface

61‧‧‧Fitting guide surface

62‧‧‧ Side rise

63‧‧‧End upright

64‧‧‧End inclined surface (inclined surface)

65‧‧‧Locking maintenance surface

65a‧‧‧ edge

66‧‧‧Lock release surface

80‧‧‧Extension

80a‧‧‧Outreach

80b‧‧‧1st Outer Face

80c‧‧‧2nd extension

100‧‧‧ socket connector

101‧‧‧Base connector

102‧‧‧Shell

103‧‧‧Shell

104‧‧‧Contacts

105‧‧‧ recess

106‧‧‧Card tablets

107‧‧‧ fitting slot

H‧‧‧ gap

I‧‧‧ gap

G‧‧‧ gap

N‧‧‧elasticity

P‧‧‧Mixed direction

Q‧‧‧ datum

R‧‧‧Side opposite

X‧‧‧ profile

Y‧‧‧ profile

Z‧‧‧ profile

θ 1‧‧‧Lock retention angle

θ 2‧‧‧Lock release angle

Fig. 1 is a perspective view showing a fitting state of a wire-to-substrate connector. (First embodiment)

Fig. 2 is a perspective view showing a non-fitting state of a wire-to-substrate connector. (First embodiment)

Figure 3 is a perspective view of the socket connector. (First embodiment)

Figure 4 is a perspective view of the receptacle connector as viewed from another angle. (First embodiment)

Figure 5 is a perspective view of the socket housing. (First embodiment)

Figure 6 is a perspective view of the socket housing as viewed from another angle. (First embodiment)

Figure 7 is a perspective view of the socket housing as seen from yet another angle. (First embodiment)

Figure 8 is an enlarged view of a portion B of Figure 5. (First embodiment)

Figure 9 is an enlarged view of a portion C of Figure 6. (First embodiment)

Fig. 10 is an enlarged view of a portion D of Fig. 7. (First embodiment)

Figure 11 is a perspective view of an auxiliary metal fitting. (First embodiment)

Figure 12 is a perspective view of the auxiliary metal part as viewed from another angle. (First embodiment)

Figure 13 is an explanatory view of the assembly of the socket connector. (First embodiment)

Figure 14 is an enlarged view of a portion E of Figure 13. (First embodiment)

Figure 15 is an enlarged view of a portion A of Figure 3. (First embodiment)

Figure 16 is a top plan view of the receptacle connector. (First embodiment)

Figure 17 is a perspective view of a plug connector in a state in which a plurality of wires are mounted. (First embodiment)

Fig. 18 is a perspective view of the plug connector in a state in which a plurality of wires are mounted, viewed from another angle. (First embodiment)

Fig. 19 is a perspective view of a plug contact in a state in which a wire is attached. (First embodiment)

Figure 20 is an enlarged view of a portion F of Figure 17. (First embodiment)

Fig. 21 is a diagram of a cross section of a claw. (First embodiment)

Figure 22 is a section X of the claw portion specified in Figure 21. (First embodiment)

Figure 23 is a section Y of the claw portion specified in Figure 21. (First embodiment)

Figure 24 is a section Z of the claw portion specified in Figure 21. (First embodiment)

Fig. 25 is a cross-sectional view taken along line XXV-XXV of Fig. 16 and showing a state in which the plug connector is fitted to the receptacle connector. (First embodiment)

Fig. 26 is a cross-sectional view taken along line XXV-XXV of Fig. 16 and showing a state in which the plug connector is intentionally inclined. (First embodiment)

Fig. 27 is a perspective view showing a variation of the socket connector.

Fig. 28 is a view showing a variation of the lock release surface.

Fig. 29 is a diagram corresponding to Fig. 5 of Patent Document 1.

FIG. 30 is a diagram corresponding to FIG. 6 of Patent Document 1.

Fig. 31 is a plan view showing a fitting state of the electric wire-to-substrate connector of the first embodiment.

Figure 32 is an enlarged view of a portion G of Figure 31.

Figure 33 is a partial perspective view of the plug connector in a state in which a plurality of wires are mounted. (Second embodiment)

Figure 34 is a diagram corresponding to Figure 32. (Second embodiment)

Figure 35 is a partial perspective view of the plug connector in a state in which a plurality of wires are mounted. (Third embodiment)

Figure 36 is a diagram corresponding to Figure 34. (Third embodiment)

<First embodiment> (wire-to-substrate connector 1)

Hereinafter, a first embodiment of the present invention will be described with reference to Figs. 1 to 26 . As shown in FIGS. 1 and 2, the wire-to-substrate connector 1 includes a plug connector 2 and a receptacle connector 3.

As shown in FIG. 2, the plug connector 2 is constructed by a plurality of plug contacts 4 and a plug housing 5 that holds a plurality of plug contacts 4. An electric wire 6 is attached to each of the plug contacts 4.

The socket connector 3 has a plurality of socket contacts 7, a socket housing 8 holding a plurality of socket contacts 7, and a pair of auxiliary metal parts 9 (locking pieces) And constitute. Each socket contact 7 corresponds to each plug contact 4. The socket connector 3 is used by being mounted on the connector mounting surface 10a of the circuit board 10 (substrate).

Then, the plug connector 2 is fitted to the receptacle connector 3 as shown in Fig. 1, whereby the plug contacts 4 are brought into contact with the respective socket contacts 7.

Here, "wire direction", "connector height direction", and "connector width direction" are defined. As shown in FIG. 1, the "wire direction" is defined as a direction in the longitudinal direction of the proximal portion 6a in a fitting state in which the plug connector 2 is fitted to the receptacle connector 3, and the proximal portion 6a is provided. It is the portion of the wire 6 located near the plug connector 2. In the present embodiment, when the electric wire-to-substrate connector 1 is fitted, the proximal portion 6a of the electric wire 6 extends along the connector mounting surface 10a of the circuit board 10. Therefore, the wire direction can also be referred to as a direction parallel to the connector mounting surface 10a of the circuit board 10. Among the "wire directions", the direction in which the plurality of electric wires 6 are viewed from the plug connector 2 is assumed to be the direction of the connector wires, and the direction in which the plug connectors 2 are viewed from the plurality of wires 6 is assumed to be the direction of the wire connectors. The "connector height direction" is orthogonal to the direction of the connector mounting surface 10a of the circuit board 10. The connector height direction is orthogonal to the wire direction. In the "connector height direction", the direction of the connector mounting surface 10a of the circuit board 10 is assumed to be "close to the substrate direction", and the direction away from the connector mounting surface 10a of the circuit board 10 is assumed to be "out of the substrate direction". . "Connector width direction" is orthogonal to the wire direction and the connector is high The direction of the direction. The connector width direction is parallel to the connector mounting surface 10a of the circuit board 10. In the "connector width direction", the direction toward the center of the wire-to-board connector 1 is assumed to be "the center of the connector width", and the direction away from the center of the wire-to-substrate connector 1 is assumed to be "the connector". Width is opposite to the central direction."

In the following description, when the components of the electric wire-to-substrate connector 1 are described, the direction of the electric wire defined in the fitting state in which the plug connector 2 is fitted to the receptacle connector 3 is directly used. , connector height direction, and connector width direction.

As shown in FIG. 1 and FIG. 2, in the fitting direction P in the direction in which the plug connector 2 is fitted to the receptacle connector 3, the direction of the connector mounting surface 10a of the circuit board 10 is approached. In detail, the fitting direction P is orthogonal to the connector mounting surface 10a of the circuit board 10. Therefore, the fitting direction P is consistent with the approaching of the substrate direction.

A plurality of wires 6 are arranged side by side in the width direction of the connector. Similarly, a plurality of socket contacts 7 are arranged side by side in the connector width direction.

(socket connector 3)

Next, the receptacle connector 3 will be described in detail with reference to FIGS. 3 to 16.

As shown in FIGS. 3 and 4, the socket connector 3 is as described above. There are a plurality of socket contacts 7, a socket housing 8 holding a plurality of socket contacts 7, and a pair of auxiliary metal parts 9.

As shown in FIGS. 5 to 7, the socket housing 8 is composed of a substrate opposing portion 15, a socket contact holding portion 16, and a pair of side portions 17 (locking piece supporting portions). The substrate opposing portion 15 and the socket contact holding portion 16 and the pair of side portions 17 constituting the socket housing 8 are integrally formed of a material such as an insulating resin.

The substrate opposing portion 15 is a flat plate that is parallel to the connector mounting surface 10a of the circuit board 10, and is formed in an elongated rectangular shape in the connector width direction.

The socket contact holding portion 16 is connected to an end portion of the substrate opposing portion 15 on the side of the wire connector, and is elongated toward the connector width direction while protruding toward the substrate. A plurality of socket contact mounting holes 18 are formed in the socket contact holding portion 16. Each of the socket contact mounting holes 18 is for mounting the respective socket contacts 7 to the holes of the socket housing 8. A plurality of socket contact mounting holes 18 are formed at predetermined intervals along the width direction of the connector. A plurality of socket contact mounting holes 18 are formed between both end portions 19 of the socket contact holding portion 16 in the connector width direction. Each of the socket contact mounting holes 18 is formed to penetrate the socket contact holding portion 16 in the direction of the electric wire. That is, each of the socket contact mounting holes 18 is formed to open in the direction of the wire connector and the direction of the connector wires. Both ends 19 is a wall body orthogonal to the direction of the wire.

The pair of side portions 17 are connected to both end portions of the substrate facing portion 15 and the socket contact holding portion 16 in the connector width direction, and are formed to protrude toward the connector wire. The pair of side portions 17 are formed to be elongated in the direction of the electric wire. Since the pair of side portions 17 have a shape that is symmetrical with respect to the center of the connector-to-substrate connector 1 in the connector width direction, only one of them will be described, and the other description will be omitted.

As shown in FIGS. 8 to 10, the side portion 17 is formed by the positioning groove side partition wall portion 20, the positioning groove front partition wall portion 21, the press-in groove side partition wall portion 22, and the press-in groove front partition wall portion 23. It is formed by pressing the inner wall portion 24 and the displacement restricting portion 25 in the groove.

The positioning groove side partition wall portion 20 is a wall body that is connected to the end portion of the end portion 19 of the socket contact holding portion 16 on the opposite side in the connector width direction and that extends toward the connector wire. The positioning groove side partition wall portion 20 is orthogonal to the connector width direction.

The positioning groove front partitioning wall portion 21 is connected to the end portion of the positioning groove side partition wall portion 20 on the connector wire direction side, and extends toward the center of the connector width. The front groove portion 21 of the positioning groove is orthogonal to the wire direction.

The positioning groove 41 is formed by the end portion 19 of the socket contact holding portion 16 and the positioning groove side partition wall portion 20 and the positioning groove front partition wall portion 21 of the side portion 17. The end portion 19 of the socket contact holding portion 16 is located on the wire connector direction side of the positioning groove 41. The positioning groove side partition wall portion 20 is a connector width of the partition positioning groove 41 on the opposite side to the center direction side. The positioning groove front partitioning wall portion 21 is a connector wire direction side of the positioning groove 41.

The press-fitting groove side partition wall portion 22 is connected to the end portion of the positioning groove front partition wall portion 21 on the opposite side in the connector width side and extends toward the connector wire. The press-in groove side partition wall portion 22 is orthogonal to the connector width direction.

The press-fitting groove front partition wall portion 23 is connected to the end portion of the press-fitting groove side partition wall portion 22 on the connector wire direction side, and extends toward the center of the connector width. The press-in groove front partition wall portion 23 is orthogonal to the wire direction.

The press-in groove inner partition wall portion 24 is connected to a wall portion extending in the center direction of the connector width of the front partition wall portion 23 of the press-in groove and extending toward the wire connector. The inner wall portion 24 that is pressed into the groove is orthogonal to the width direction of the connector.

The press-fitting groove 26 is formed by press-fitting the groove side partition wall portion 22 and pressing the groove inner partition wall portion 24. Pressing into the side of the groove, the wall portion 22 is zoned The connector width of the slot 26 is opposite to the central direction side. The inner wall portion 24 that is pressed into the groove is pressed into the groove width direction side of the connector width direction of the groove 26. The direction of the connector wire direction of the press-in groove 26 is defined by the press-in groove front partition wall portion 23. The press-in groove 26 is opened in a direction away from the substrate. The press-in groove 26 is formed to be elongated in the direction of the electric wire.

The end portion 24a on the side of the wire connector side of the inner wall portion 24 of the press-in groove is opposed to the front wall portion 21 of the positioning groove in the direction of the electric wire. A gap g is formed between the end portion 24a of the square partition wall portion 24 that is pressed into the groove and the front groove portion wall portion 21 of the positioning groove.

The displacement restricting portion 25 is connected to an end portion of the inner wall portion 24 that is press-fitted into the groove on the side of the connector wire, and is formed to protrude toward the center in the width of the connector. As shown in FIG. 8 to FIG. 10, the displacement restricting portion 25 is connected to the end portion of the inner side of the connector wire portion 24 that is press-fitted into the groove by the direction of the open substrate. The displacement restricting portion 25 has an inclined guide surface 27, an upright guide surface 28, and a regulating surface 29. The inclined guide surface 27 is a plane that is inclined away from the substrate direction toward the end portion of the connector width center direction of the displacement restricting portion 25 so as to be inclined toward the substrate direction toward the center of the connector width. The upright guide surface 28 is connected to the edge of the inclined guide surface 27 on the side close to the substrate direction, and is orthogonal to the surface in the connector width direction. The restricting surface 29 is connected to the edge of the upright guiding surface 28 on the side closer to the substrate direction and orthogonal to the surface in the height direction of the connector.

Since the pair of auxiliary metal fittings 9 have a shape that is symmetrical with respect to the center of the connector-to-substrate connector 1 in the connector width direction, only one of them will be described, and the other description will be omitted.

As shown in FIGS. 11 and 12, the auxiliary metal fitting 9 is composed of a locking piece holding portion 30, a locking piece opposing portion 31, and a locking piece connecting portion 32. The auxiliary metal part 9 is formed by sheet metal bending.

The locking piece held portion 30 is a portion held by the socket housing 8. The locking piece is formed by the holding portion 30 extending in the direction of the electric wire. The locking piece is held by the holding portion 30 in a direction orthogonal to the connector width. The locking piece holding portion 30 has a pressed portion 30a and a soldering leg portion 33. The pressed portion 30a is formed to protrude in a rod shape toward the substrate. The solder leg portion 33 is soldered to a portion of the connector mounting surface 10a of the circuit board 10.

The locking piece opposing portion 31 is formed to extend toward the wire direction. The locking piece opposing portion 31 is orthogonal to the connector width direction. The locking piece opposing portion 31 is configured to have a facing portion body 34 and a restricted protrusion 35.

The opposing body 34 is formed to extend in an elongated manner toward the wire. The opposing body 34 is orthogonal to the connector width direction. A locking hole 36 that is substantially rectangular in shape in the direction opposite to the center of the connector width is formed in the opposing portion main body 34. The locking hole 36 is formed to be elongated in the direction of the electric wire. By forming the locking hole 36, the locking hole 36 is formed on the side away from the substrate. There is a locking beam 37 that is spaced apart from the substrate direction side of the locking hole 36. The locking beam 37 has a socket locking surface 38, a plug facing surface 39, and an assembly guiding surface 40. The socket lock surface 38 faces a surface that is close to the connector mounting surface 10a of the circuit board 10. The socket locking surface 38 faces a plane that is close to the substrate direction. The socket locking surface 38 is orthogonal to the connector height direction. The socket locking surface 38 is formed to be elongated in the direction of the wire. The plug opposing surface 39 is connected to the edge of the socket locking surface 38 on the central side in the connector width direction, and faces the plane in the center direction of the connector width. The plug facing surface 39 is orthogonal to the connector width direction. The assembly guide surface 40 is connected to the edge of the plug opposing surface 39 on the side away from the substrate direction, and is inclined in a direction toward the center of the connector width toward the substrate direction.

The restricted projections 35 are connected to the end portion of the opposing portion main body 34 on the side of the connector wire direction, which is closer to the substrate direction and protrudes toward the connector wire. The restricted protrusion 35 has a restricted surface 35a facing away from the substrate. The restricted surface 35a is orthogonal to the height direction of the connector.

The lock piece connecting portion 32 is a portion that connects the end portion of the lock piece holding portion 30 on the side of the wire connector and the end portion of the lock piece facing portion 31 on the side of the wire connector. The lock piece connecting portion 32 is formed to be connected to the end portion of the locking piece held portion 30 on the side of the wire connector, and is formed to extend toward the center of the connector width. The locking piece coupling portion 32 is orthogonal to the wire direction. The end portion of the locking piece connecting portion 32 on the central side of the connector width is connected to The end portion of the sheet opposite portion 31 on the side of the wire connector is locked.

The auxiliary metal fitting 9 has a locking piece holding portion 30, a locking piece opposing portion 31, and a locking piece connecting portion 32, and forms a U-shape when viewed in the direction of the substrate.

(assembly of socket connector 3)

Next, the assembly method of the socket connector 3 will be described in detail.

First, as shown in FIGS. 3 to 7, a plurality of socket contacts 7 are respectively pressed into a plurality of socket contact mounting holes 18 of the socket contact holding portion 16 of the socket housing 8. The direction in which the respective socket contacts 7 are directed toward the respective socket contact mounting holes 18 is the direction of the connector wires. Each of the socket contacts 7 is partially exposed on the side of the connector wire as shown in FIG. 3 in a state of being attached to the socket case 8, and is partially exposed to the side closer to the substrate as shown in FIG.

Next, as shown in FIG. 13, a pair of auxiliary metal members 9 are attached to one side portion 17 of the socket housing 8, respectively. Specifically, first, the locking piece holding portion 30 of each of the auxiliary metal parts 9 shown in FIG. 14 is inserted into the press-fitting groove 26 of each side portion 17 of the socket housing 8, and each auxiliary metal part 9 is used. The locking piece connecting portion 32 is inserted into the gap g of each side portion 17 of the socket housing 8, and the auxiliary metal members 9 are positioned on the respective side portions 17. After positioning the auxiliary metal parts 9 on the respective side portions 17, the auxiliary metal parts 9 are pressed in the direction close to the substrate.

In this manner, the locking pieces of the auxiliary metal parts 9 are inserted into the press-fitting grooves 26 of the side portions 17 of the socket housing 8 by the holding portions 30. At this time, the locking piece of each of the auxiliary metal parts 9 is pressed into the press-fitting groove 26 of each side portion 17 of the socket housing 8 by the press-fitting portion 30a of the holding portion 30 (see FIGS. 11 and 12 together). A press-in hole (not shown) is formed. The locking piece coupling portion 32 of each of the auxiliary metal parts 9 is inserted into the gap g of each side portion 17 of the socket housing 8.

Further, the restricted projections 35 of the locking piece opposing portions 31 of the auxiliary metal fittings 9 are accompanied by the elastic displacement of the locking piece opposing portion 31 toward the center of the connector width of the opposing portion body 34, toward the center of the connector width. The direction is placed on the inclined guide surface 27 of the displacement restricting portion 25 of each side portion 17 of the socket housing 8, and then slid toward the upright guide surface 28 of the displacement restricting portion 25 toward the substrate.

When the auxiliary metal fittings 9 are further pushed in toward the approaching substrate direction, the restricted projections 35 are passed over the displacement restricting portion 25 toward the approaching substrate direction side, and by the spring restoring force of the auxiliary metal fitting 9, as shown in FIG. The ground is displaced toward the center of the connector width. Fig. 15 shows a state in which each of the auxiliary metal parts 9 is attached to each side portion 17 of the socket housing 8. As shown in Fig. 15, each of the auxiliary metal parts 9 is supported in a cantilever shape by the side portions 17 of the socket housing 8.

In the state of Fig. 15, the displacement restricting portion 25 and the restricted projection 35 are opposed to each other in the height direction of the connector. More specifically, the restriction surface 29 of the displacement restricting portion 25 shown in Fig. 10 and the restricted surface 35a of the restricted projection 35 shown in Fig. 11 are opposed to each other in the height direction of the connector. By the opposing relationship between the displacement restricting portion 25 and the restricted projection 35, the locking piece opposing portion 31 of the auxiliary metal fitting 9 shown in Fig. 15 can be restricted from being elastically displaced toward the direction away from the substrate.

Further, as shown in FIG. 16, in the state in which the auxiliary metal fittings 9 are attached to the respective side portions 17 of the socket housing 8, the wall portion 24 and the auxiliary metal in the press-fit groove of each side portion 17 are formed. A gap h is formed between the locking piece opposing portions 31 of the part 9. Therefore, the lock beam 37 of the lock piece opposing portion 31 of each auxiliary metal part 9 can be elastically displaced toward the center direction of the connector width.

In the present embodiment, as shown in Fig. 15, the "side facing portion R" corresponds to the side portion 17 of the socket housing 8 and the auxiliary metal fitting 9.

(plug connector 2)

Next, the plug connector 2 will be described in detail with reference to FIGS. 17 to 24.

The plug connector 2 shown in Figs. 17 and 18 is constructed by a plurality of plug contacts 4 and a plug housing 5 holding a plurality of plug contacts 4 as described above.

The plug housing 5 is composed of a plug housing main body 50, a releasing projection 51, a pair of positioning projections 52, and a pair of claw portions 53.

The plug housing body 50 is a flat body that is thinner in the height direction of the connector. The plug housing body 50 is formed in a rectangular shape as viewed in the direction of the substrate, and is formed to be elongated in the width direction of the connector. A plurality of plug contact mounting holes 54 are formed in the plug housing body 50. A plurality of plug contact mounting holes 54 are formed at predetermined intervals along the width direction of the connector. Each of the plug contact mounting holes 54 is formed to penetrate the plug housing body 50 in the direction of the electric wire. That is, each of the plug contact mounting holes 54 is formed to open in the direction of the wire connector and the direction of the connector wires.

The plug housing body 50 has a pair of plug side faces 50a that are one side of the plug housing body 50. The pair of plug side faces 50a are substantially parallel planes regardless of the direction of the wire and the height direction of the connector. That is, each plug side surface 50a is substantially orthogonal to the connector width direction. In the present embodiment, the pair of plug side faces 50a are parallel to each of the wire direction and the connector height direction. The pair of plug side faces 50a are orthogonal to the connector width direction.

Fig. 19 shows the plug contact 4 mounted to the end of the electric wire 6. The plug contact 4 has a pair of contact pieces 4a that contact the socket contacts 7 in such a manner as to sandwich the socket contacts 7. As shown in FIGS. 17 and 18, a plurality of plug contacts 4 are arranged side by side in the connector width direction. Then, a plurality of plugs The head contact 4 is in the connector width direction and is sandwiched by a pair of plug side faces 50a. In other words, the pair of plug side faces 50a enclose a plurality of plug contacts 4 in the width direction of the connector.

As shown in FIG. 17 and FIG. 18, the releasing projection 51 is formed so as to be connected to the end portion of the plug housing main body 50 on the side of the wire connector in a direction away from the substrate, and is formed to protrude toward the wire connector. The release projection 51 is formed to be elongated in the connector width direction.

Since the pair of positioning projections 52 have a symmetrical shape in the center of the connector width direction of the connector 1 for the board-in-board connector, only one of them will be described, and the other description will be omitted. The positioning projection 52 is connected to an end portion of the end portion of the plug housing body 50 on the side of the wire connector side in the connector width direction, and is formed to protrude toward the center in the connector width.

Since the pair of claw portions 53 are formed in a symmetrical shape in the center in the connector width direction of the connector 1 for the substrate, the description will be made only on one side, and the other description will be omitted. The claw portion 53 is connected to the direction of the connector wire of the plug side surface 50a, and is formed to protrude from the plug side surface 50a toward the connector width in the center direction. The claw portion 53 is formed to be elongated in the direction of the electric wire. As shown in FIG. 20, the claw portion 53 has a columnar shape in which the longitudinal cross-sectional shape is trapezoidal, and the wire connector side is partially cut away. The claw portion 53 has a plug locking surface 60, a fitting guiding surface 61, a side rising surface 62, an end rising surface 63, and End inclined surface 64 (inclined surface).

The plug lock surface 60 is a surface that faces away from the connector mounting surface 10a of the circuit board 10 and that is elongated in the direction of the electric wire. The plug lock surface 60 has a lock maintaining surface 65 disposed on the connector wire direction side and a lock release surface 66 disposed on the wire connector direction side. The lock maintaining surface 65 is coupled to the plug side surface 50a and is substantially orthogonal to the plane of the connector height direction. The lock release surface 66 is coupled to the plug side surface 50a so as to be inclined toward the center of the connector width toward the direction away from the substrate, and to be inclined in a direction toward the center of the connector width toward the wire connector. . The lock maintaining surface 65 and the lock releasing surface 66 are connected to each other. The lock maintaining surface 65 and the lock releasing surface 66 are adjacent to each other in the wire direction. The lock maintaining surface 65 is disposed on the connector wire direction side as viewed from the lock release surface 66. That is, the lock release surface 66 is disposed on the side of the wire connector from the lock maintaining surface 65. The lock release surface 66 is coupled to the edge 65a on the side away from the plug side surface 50a of the lock maintaining surface 65. In other words, the lock release surface 66 is connected to the edge 65a on the side opposite to the connector width of the lock maintaining surface 65.

The fitting guide surface 61 faces a plane that is close to the connector mounting surface 10a of the circuit board 10 and that is elongated in the direction of the electric wire. The fitting guide surface 61 is inclined so as to face the center direction of the connector width as it approaches the substrate direction.

The side rising surface 62 is a plane that faces the connector width in the opposite central direction and that extends elongated toward the wire direction. The side rising surface 62 is orthogonal to the connector width direction. The side rising surface 62 is connected to the plug locking surface 60 and the fitting guide surface 61. The side rising surface 62 is formed between the plug locking surface 60 and the fitting guide surface 61.

The end riser 63 is attached to the plug side 50a and faces the plane of the connector wires. The end rising faces 63 are orthogonal to the wire direction. The end rising surface 63 is connected to the plug locking surface 60, the fitting guide surface 61, and the side rising surface 62.

The end inclined surface 64 is connected to the plug side surface 50a and faces the wire connector direction and the plane of the connector width in the opposite central direction. The end inclined surface 64 is inclined so as to face the center direction of the connector width toward the wire connector. The end inclined surface 64 is connected to the lock release surface 66 of the plug lock surface 60, the fitting guide surface 61, and the side rising surface 62.

The plug side surface 50a has a reference plane Q shown by a two-dot chain line in Fig. 20. The reference plane Q is a part of the plug side 50a. The reference surface Q is a portion of the plug side surface 50a that is further away from the connector mounting surface 10a of the circuit board 10 than the claw portion 53. The reference surface Q is a portion of the plug side surface 50a that is closer to the side away from the substrate than the claw portion 53.

21 shows three sections X, a section Y, and a section Z of the claw portion 53. The section X is also positioned on the side of the connector wire side than the section Y. The profile Y is also located on the side of the connector wire side than the profile Z. The section X, the section Y, and the section Z are all sections orthogonal to the direction of the wire. Hereinafter, the shape of the claw portion 53 will be described in further detail using the cross section X, the cross section Y, and the cross section Z.

In the section X shown in Fig. 22, only the lock maintaining surface 65 in the plug locking surface 60 is present. In the section Y shown in Fig. 23, both of the lock maintaining surface 65 and the unlocking surface 66 in the plug locking surface 60 are present. In other words, in the cross section Y, the lock maintaining surface 65 and the lock releasing surface 66 are adjacent in the connector width direction. In the section Z shown in Fig. 24, only the unlocking surface 66 of the plug locking surface 60 is present. In the section X shown in Fig. 22 and the section Y shown in Fig. 23, a side rising surface 62 is present. On the other hand, in the section Z shown in Fig. 24, an end inclined surface 64 is present instead of the side rising surface 62.

As shown in FIG. 22, the angle between the reference plane Q and the lock maintaining surface 65 is assumed to be the lock maintaining angle θ1. As shown in FIGS. 23 and 24, the angle between the reference plane Q and the lock release surface 66 is assumed to be the lock release angle θ 2 . In the present embodiment, the lock maintaining angle θ 1 is smaller than the lock release angle θ 2 . Specifically, the lock maintaining angle θ 1 is 90 degrees or less. The lock maintaining angle θ 1 is preferably from 70 degrees to 90 degrees. The lock maintaining angle θ 1 is more preferably from 80 to 85 degrees. In the present embodiment, the lock maintaining angle θ 1 is 85 degrees. Further, the lock release angle θ 2 is larger than 90 degrees. The lock release angle θ 2 is preferably from 95 degrees to 165 degrees. Lock release angle θ 2 is better It is 120 degrees to 150 degrees. In the present embodiment, the lock release angle θ 2 is 135 degrees.

(assembly of plug connector 2)

Next, a method of assembling the plug connector 2 will be described. When the plug connector 2 is assembled, after each plug contact 4 is attached to the end of each electric wire 6 as shown in FIG. 19, each plug contact 4 is inserted into the plug toward the electric wire connector as shown in FIG. Each plug of the plug housing body 50 of the outer casing 5 is mounted with a mounting hole 54. As described above, the plug contacts 4 can be prevented from being detached from the respective plug contact mounting holes 54 by the action of a lance (not shown).

(Method of fitting the wire-to-substrate connector 1)

Next, a method of fitting the wire-to-substrate connector 1 will be described. When the plug connector 2 is fitted to the receptacle connector 3, as shown in FIG. 2, the receptacle connector 3 is mounted on the connector mounting surface 10a of the circuit board 10 in advance. Specifically, the soldering leg portion 33 (also referred to as FIG. 4) of the locking piece holding portion 30 of the auxiliary metal component 9 shown in FIG. 11 is soldered to the connector mounting surface 10a of the circuit board 10 (refer to both figure 2). Moreover, the solder leg portions 7a of the respective socket contacts 7 of FIG. 4 are soldered to the connector mounting surface 10a of the circuit board 10 (see FIG. 2 together).

Next, as shown in FIG. 2, the plug connector 2 is lowered toward the socket connector 3 in the fitting direction P. Thus, it becomes the following behavior.

(1) One of the pair of plug housings 5 shown in Figs. 17 and 18 is inserted into the pair of positioning grooves 41 shown in Figs. 3 and 8, respectively. Thereby, the relative position of the plug connector 2 to the receptacle connector 3 can be adjusted. In other words, the pair of positioning projections 52 and the pair of positioning grooves 41 exert the positioning effect of the plug connector 2 on the receptacle connector 3. The positioning effect of the plug connector 2 on the receptacle connector 3, in other words, means the positioning effect of the plug connector 2 in the direction parallel to the connector mounting surface 10a of the circuit board 10 to the receptacle connector 3. Further, after the wire-to-substrate connector 1 is fitted, the pair of positioning projections 52 and the pair of positioning grooves 41 serve to prohibit the plug connector 2 from the receptacle connector 3 when the electric wire 6 is pulled toward the connector wire. The shedding prevents the shedding effect.

(2) As shown in Fig. 18, each of the plug contacts 4 held by the plug housing 5 of the plug connector 2 is inserted into the contact piece 4a (see Fig. 19 together), and each of the components shown in Fig. 3 is inserted. Socket contact 7. Thereby, one of the plug contacts 4 positively contacts the socket contact 7 in the manner that the contact piece 4a is sandwiched by the socket contact 7.

(3) When the plug connector 2 is lowered toward the receptacle connector 3 as shown in Fig. 2, the plug is formed by a pair of positioning projections 52 shown in Fig. 17 and a pair of positioning grooves 41 shown in Fig. 3. The positioning effect of the connector 2 on the socket connector 3 is such that one of the pair of claw portions 53 of the plug housing 5 shown in Fig. 17 faces the locking piece of each auxiliary metal part 9 shown in Fig. 15 in the height direction of the connector, respectively. The locking beams 37 of the portion 31 oppose each other. Then, the claw shown in Fig. 20 The fitting guide surface 61 of the 53 is in contact with the assembly guide surface 40 of the locking beam 37 shown in FIG. In this state, when the plug connector 2 is continuously pressed in toward the receptacle connector 3, the assembly guide surface 61 of the claw portion 53 shown in Fig. 20 and the lock beam 37 shown in Fig. 15 are assembled. When the lead surface 40 is present, the claw portion 53 pushes the lock beam 37 toward the center of the connector width, and slides on the plug opposing surface 39 of the lock beam 37 while sliding. Continuing, when the claw portion 53 passes over the lock beam 37, the locking piece opposing portion 31 is reset toward the center of the connector width by the spring restoring force of the auxiliary metal member 9, and the claw portion 53 is housed in the locking hole 36. . As a result, as shown in Fig. 25, the plug locking surface 60 of the claw portion 53 of the plug housing 5 of the plug connector 2 is in the height direction of the connector and the locking piece opposing portion 31 of the auxiliary metal part 9 of the receptacle connector 3. The socket locking faces 38 of the locking beams 37 oppose each other. By the opposing direction of the connector locking surface 60 and the socket locking surface 38 in the height direction of the connector, the plug connector 2 can be prevented from being detached from the socket connector 3.

In detail, in the fitting state shown in FIG. 25, the plurality of electric wires 6 may be lifted upward in a direction away from the connector mounting surface 10a of the circuit board 10 due to some work. When the electric wire 6 is lifted upward in the direction away from the connector mounting surface 10a of the circuit board 10, the plug housing 5 is inclined with the rotation in the clockwise direction. When the plug housing 5 is tilted with the rotation in the clockwise direction, the lock maintaining surface 65 is more preferentially contacted with the socket locking surface 38 than the lock releasing surface 66. In the present embodiment, the lock maintaining angle θ 1 of the lock maintaining surface 65 is set to 90 degrees or less. because On the other hand, when the electric wire 6 is lifted upward in the direction away from the connector mounting surface 10a of the circuit board 10, the opposing relationship between the plug locking surface 60 and the socket locking surface 38 is not eliminated, and the fitting state can be maintained.

(Method of separating the wire-to-substrate connector 1)

On the other hand, as shown in FIG. 26, a claw, a tool, a jig, or the like is hooked on the release projection 51 of the plug housing 5 of the plug connector 2 so that the electric wire 6 approaches the connector mounting surface 10a of the circuit board 10 When the plug connector 2 is intentionally tilted in conjunction with the counterclockwise direction, the lock release surface 66 also preferentially contacts the socket lock surface 38 than the lock maintaining surface 65. In the present embodiment, the lock release angle θ 2 of the lock release surface 66 is set to be larger than 90 degrees. Therefore, when the plug connector 2 is intentionally inclined so that the electric wire 6 approaches the connector mounting surface 10a of the circuit board 10, the claw portion 53 pushes the locking piece opposing portion 31 of the auxiliary metal member 9. At this time, as shown in FIG. 15, the displacement restricting portion 25 is disposed on the opposite side of the connector mounting surface 10a of the circuit board 10 via the restricted protrusion 35 of the locking piece opposing portion 31, so that the locking piece can be restricted. The opposing portion 31 is elastically displaced in a direction away from the connector mounting surface 10a of the circuit board 10. On the other hand, as shown in Fig. 16, a gap h is secured between the locking piece opposing portion 31 and the press-in groove inner partition wall portion 24. Therefore, when the claw portion 53 pushes the locking piece opposing portion 31 of the auxiliary metal member 9, the locking piece opposing portion 31 is not elastically displaced toward the direction away from the substrate, but is elastically displaced only toward the center in the connector width. Then, by the elastic displacement of the locking piece opposing portion 31 toward the center of the connector width, the plug lock can be eliminated. The opposing relationship between the fixed surface 60 and the socket locking surface 38 can release the fitting state of the wire-to-substrate connector 1.

Although the preferred embodiments of the present invention have been described above, the above embodiments have the following features.

(1) The electric wire-to-substrate connector 1 is provided with a plug connector 2 and a receptacle connector 3. The plug connector 2 has a plug contact 4 to which the electric wire 6 is attached, and a plug housing 5 that holds the plug contact 4. The socket connector 3 has a socket contact 7 corresponding to the plug contact 4; and a socket housing 8 holding the socket contact 7. The socket connector 3 is mounted on the connector mounting surface 10a of the circuit board 10 (substrate). By fitting the plug connector 2 to the receptacle connector 3, the plug contact 4 is brought into contact with the receptacle contact 7. In the fitting state in which the plug connector 2 is fitted to the receptacle connector 3, the proximal portion 6a of the portion of the electric wire 6 located near the plug connector 2 is along the connector mounting surface of the circuit board 10. 10a extension. The fitting direction P in the direction in which the plug connector 2 is fitted into the receptacle connector 3 is in the direction of the connector mounting surface 10a of the circuit board 10. The plug housing 5 has a plug side surface 50a as a side surface of the plug housing 5. The socket connector 3 has a side facing portion R that faces the plug side surface 50a in the fitted state. A claw portion 53 that protrudes from the side opposite portion R side is provided on the plug side surface 50a. The claw portion 53 has a plug locking surface 60 that faces away from the connector mounting surface 10a of the circuit board 10 and extends in the direction of the electric wire that is specified in the longitudinal direction of the proximal portion 6a in the fitted state. Socket connector The auxiliary metal part 9 of the side facing portion R of the third portion has a socket locking surface 38 facing the connector mounting surface 10a of the circuit board 10 and facing the plug locking surface 60 in the fitted state. . The plug lock surface 60 has a lock maintaining surface 65 that is disposed on a connector wire direction side in a direction in which the electric wire 6 is viewed from the plug connector 2 as a wire direction, and a lock release surface 66 that is disposed as a connection. The direction of the wire connector in the opposite direction of the wire direction. In the section orthogonal to the direction of the electric wire, when the angle between the reference plane Q and the lock maintaining surface 65 is assumed to be the lock maintaining angle θ 1, the angle between the reference plane Q and the unlocking surface 66 is assumed to be the unlocking angle. At θ 2 , the lock maintaining angle θ 1 is smaller than the lock release angle θ 2 , which is a portion of the plug side surface 50 a that is further away from the connector mounting surface 10 a of the circuit board 10 than the claw portion 53 .

That is, when the electric wire 6 is lifted upward in the direction away from the connector mounting surface 10a of the circuit board 10 so that the plug connector 2 is tilted, the lock maintaining surface 65 is preferentially contacted with the socket than the lock releasing surface 66. Locking surface 38. On the other hand, when the plug connector 2 is intentionally tilted so that the electric wire 6 approaches the connector mounting surface 10a of the circuit board 10, the lock release surface 66 preferentially contacts the socket lock surface 38 more than the lock maintaining surface 65. . Therefore, according to the above configuration, when the electric wire 6 is lifted upward in the direction away from the connector mounting surface 10a of the circuit board 10, the opposing relationship between the plug locking surface 60 and the socket locking surface 38 is not eliminated. It is easy to maintain the fitting state; when the plug connector 2 is intentionally tilted in such a manner that the electric wire 6 approaches the connector mounting surface 10a of the circuit substrate 10, the plug lock The opposing relationship between the fixed surface 60 and the socket locking surface 38 is eliminated and the aforementioned fitting state is easily released. With this configuration, it is possible to realize a wire-to-board connector that can maintain the fitting state even when the electric wire 6 is lifted upward in the direction away from the connector mounting surface 10a of the circuit board 10, and can be intentionally released. 1.

Further, in the present embodiment, the socket locking surface 38 is formed in the auxiliary metal fitting 9 among the side facing portions R, but may be formed on the side portion 17 of the side facing portion R instead. In the variation shown in Fig. 27, the side facing portion R does not have the auxiliary metal part 9. The side facing portion R is constituted by the side portion 17. A socket locking surface 38 is formed on the side portion 17.

(2) Further, the lock release angle θ 2 is larger than 90 degrees. According to the above configuration, when the plug connector 2 is intentionally tilted so that the electric wire 6 approaches the connector mounting surface 10a of the circuit board 10, the opposing relationship between the plug locking surface 60 and the socket locking surface 38 becomes easier. Was eliminated.

(3) Further, the lock maintaining angle θ 1 is 90 degrees or less. According to the above configuration, when the electric wire 6 is lifted upward in the direction away from the connector mounting surface 10a of the circuit board 10, the opposing relationship between the plug locking surface 60 and the socket locking surface 38 becomes more difficult to be released.

(4) Again, the unlocking surface 66 is attached to the direction of the wire connector It is inclined in such a manner as to be close to the plug side 50a. According to the above configuration, when the plug connector is intentionally inclined such that the electric wire approaches the connector mounting surface of the substrate, the opposing relationship between the plug locking surface and the socket locking surface becomes easier. The ground was eliminated.

(5) Further, the lock release surface 66 is connected to the edge 65a of the lock maintaining surface 65 on the side away from the plug side surface 50a. According to the above configuration, when the plug connector 2 is intentionally inclined such that the electric wire 6 approaches the connector mounting surface 10a of the circuit board 10, and the opposing relationship between the plug locking surface 60 and the socket locking surface 38 is eliminated, The escaping socket locking surface 38 is hooked at the boundary between the unlocking surface 66 and the locking maintaining surface 65.

(6) Further, an end inclined surface 64 (inclined surface) inclined so as to approach the plug side surface 50a toward the wire connector is formed at the end portion of the claw portion 53 on the side of the wire connector. The end inclined surface 64 is connected to the lock release surface 66. According to the above configuration, when the plug connector 2 is intentionally tilted so that the electric wire 6 approaches the connector mounting surface 10a of the circuit board 10, the opposing relationship between the plug locking surface 60 and the socket locking surface 38 becomes easier. It was successfully eliminated.

(7) Further, the side facing portion R includes the side portion 17 (locking piece supporting portion) and the auxiliary metal fitting 9 (locking piece) supported by the side portion 17. The auxiliary metal part 9 is configured to have a locking piece holding portion 30 held by the side portion 17 and a locking piece facing portion 31 opposed to the plug side surface 50a. Cantilever beam shape. The locking piece opposing portion 31 is elastically displaceable in a direction away from the plug side face 50a. The socket locking surface 38 is formed on the locking piece opposing portion 31. According to the above configuration, when the plug connector 2 is intentionally tilted so that the electric wire 6 approaches the connector mounting surface 10a of the circuit board 10, since the socket locking surface 38 can be directed away from the plug side surface 50a by the lock releasing surface 66 The direction is pushed away, so that the opposing relationship between the plug locking surface 60 and the socket locking surface 38 becomes easier and more smoothly eliminated.

(8) Further, the side portion 17 of the side facing portion R includes a displacement restricting portion 25 that is disposed on the connector mounting surface of the circuit board 10 via the restricted protrusion 35 of the locking piece opposing portion 31. On the opposite side of 10a, the locking piece opposing portion 31 is restricted from being elastically displaced in a direction away from the connector mounting surface 10a of the circuit board 10. According to the above configuration, when the plug connector 2 is intentionally tilted so that the electric wire 6 approaches the connector mounting surface 10a of the circuit board 10, the socket locking surface 38 can be directed away from the plug side surface 50a by the unlocking surface 66. Push it away quickly.

Further, in the present embodiment, the displacement restricting portion 25 is formed in the side portion 17 of the side facing portion R, but may be replaced by, for example, the auxiliary metal member 9 formed in the side facing portion R. The sheet is held by the portion 30.

(9) Further, the locking piece holding portion 30 and the locking piece opposing portion 31 are formed along the wire direction. The above configuration is a connector for a wire-to-substrate 1 low profile.

(10) Further, the end portion of the locking piece held portion 30 on the side of the wire connector and the end portion of the locking piece opposing portion 31 on the side of the wire connector are connected.

(11) Further, the plug housing 5 is provided with a releasing projection 51 for tilting the plug connector 2 so that the electric wire 6 approaches the connector mounting surface 10a of the circuit board 10.

(12) Then, the release projection 51 is formed to protrude from the end portion of the plug housing 5 on the side of the wire connector toward the wire connector.

Although the preferred embodiment of the present invention has been described above, the above embodiment can be modified, for example, as follows.

In the above embodiment, the lock release surface 66 of the plug lock surface 60 is formed by a flat surface. Alternatively, as shown in Fig. 28, the lock release surface 66 is formed to approach the circuit as it goes away from the plug side surface 50a. A curved surface in which the connector 10 of the substrate 10 is mounted on the surface 10a. In FIG. 28, the cross-sectional shape of the bent lock release surface 66 is displayed by hatching. Even in this case, it is possible to maintain the fitting state even when the electric wire 6 is lifted upward in the direction away from the connector mounting surface 10a of the circuit board 10, and the fitting can be intentionally released. The wire-to-substrate connector 1 of the state.

Moreover, when assembling the receptacle connector 3, it is assumed that after the auxiliary metal fittings 9 are positioned on the respective side portions 17, the auxiliary metal fittings 9 are pressed in the direction close to the substrate. However, instead, the auxiliary metal parts 9 may be pressed in a direction away from the substrate. That is, when the auxiliary metal parts 9 are attached to the respective side portions 17, the mounting direction thereof is not limited to the direction close to the substrate.

<Second embodiment>

Hereinafter, a second embodiment of the present invention will be described with reference to Figs. 31 to 34. Here, the present embodiment will be described focusing on differences from the above-described first embodiment, and the overlapping description will be appropriately omitted. In addition, constituent elements corresponding to the respective constituent elements of the above-described first embodiment are denoted by the same reference numerals in principle.

Fig. 31 is a view showing a state in which the wire-to-substrate connector 1 is fitted. Figure 32 is an enlarged view of a portion G of Figure 31.

As shown in Fig. 32, the locking piece opposing portion 31 of the auxiliary metal fitting 9 of the receptacle connector 3 is supported in a cantilever shape. Therefore, the end portion 31a on the side of the locking piece connecting portion 32 of the locking piece opposing portion 31 corresponding to the base portion of the locking piece opposing portion 31 is hardly elastically displaced toward the center in the connector width. When it is assumed that the plug connector 2 is fitted to the socket connector 3, and the plug When the plug housing body 50 of the plug housing 5 of the connector 2 has contacted the end portion 31a of the locking piece connecting portion 31 on the locking piece connecting portion 31 of the auxiliary metal fitting 9 of the socket connector 3, the end portion is as described above. The 31a is hardly elastically displaced toward the center of the connector width, so that the plug connector 2 is significantly prevented from being fitted to the receptacle connector 3.

Therefore, in the first embodiment described above, in order to prevent such a problem, the plug side 50a of the plug housing body 50 of the plug connector 2 of the plug connector 2 and the auxiliary metal part 9 of the receptacle connector 3 are locked. A gap i remains in the fitting state of the wire-to-substrate connector 1 between the sheet facing portions 31.

However, by the presence of the gap i, in the fitting state of the wire-to-substrate connector 1 shown in Fig. 32, the connector width direction of the plug housing 5 of the plug connector 2 in the receptacle connector 3 can be tolerated. Move. Then, in the receptacle connector 3, when the plug housing 5 of the plug connector 2 is moved toward the connector width direction, the socket locking surface 38 of the locking piece opposing portion 31 of the auxiliary metal part 9 shown in FIG. The locking maintaining surface 65 of the plug locking surface 60 of the claw portion 53 shown in FIG. 20 has a weaker opposing relationship in the connector height direction, and as a result, the plug connector 2 is easily detached from the receptacle connector 3.

Therefore, as shown in Fig. 33, in the present embodiment, the plug side 50a of the plug housing body 50 of the plug housing 2 of the plug connector 2 is provided. The overhanging portion 80 that extends toward the side of the auxiliary metal part 9 (locking piece) of the side facing portion R. That is, the overhanging portion 80 is formed to protrude from the plug side surface 50a of the plug housing body 50 toward the center in the connector width. Then, in the fitting state of the wire-to-substrate connector 1 shown in FIG. 34, the elastically displaceable portion of the overhanging portion 80 and the locking piece opposing portion 31 is in a contact state. According to the above configuration, in the fitting state of the cord-to-substrate connector 1, the connector width direction of the plug housing 5 of the plug connector 2 in the receptacle connector 3 can be moved toward the receptacle connector 3 The elastic force N of the locking piece facing portion 31 of the auxiliary metal part 9 in the center direction of the connector width is restricted. As a result, the connector height direction of the socket locking surface 38 of the locking piece opposing portion 31 of the auxiliary metal fitting 9 shown in Fig. 15 and the locking maintaining surface 65 of the plug locking surface 60 of the claw portion 53 shown in Fig. 20 can be maintained. The opposite relationship, and the plug connector 2 is not easily detached from the receptacle connector 3.

Specifically, as shown in FIG. 33, the plug housing 5 of the plug connector 2 has a protruding portion 80 in addition to the plug housing body 50, the releasing projection 51, the pair of positioning projections 52, and the pair of claw portions 53. . The overhanging portion 80 is formed to protrude from the plug side surface 50a toward the center in the connector width. The overhanging portion 80 is formed at a position extremely away from the positioning projection 52. The overhanging portion 80 has an overhanging surface 80a facing the opposite central direction of the connector width. The overhanging surface 80a is orthogonal to the connector width direction. Since the overhanging portion 80 is formed on the plug side 50a of the plug housing body 50, the outwardly extending portion 80a of the overhanging portion 80 can be regarded as the plug side 50a of the plug housing body 50. a part of. The claw portion 53 is provided on the overhang portion 80. Specifically, the claw portion 53 is formed on the outwardly extending surface 80a of the overhang portion 80. The claw portion 53 is formed to protrude from the outwardly extending surface 80a of the overhanging portion 80 toward the center in the connector width.

Then, as shown in FIG. 33, since the overhanging portion 80 is formed at a position extremely away from the positioning projection 52, as shown in FIG. 34, in the fitting state of the electric wire-to-substrate connector 1, the overhanging portion 80 is relatively opposed. The end portion 31a of the locking piece opposite portion 31 is away from the connector wire direction. As a result, in the fitting state of the wire-to-substrate connector 1, the overhanging portion 80 and the elastically displaceable portion of the locking piece opposing portion 31 are always in contact. On the other hand, the gap i described above still exists between the plug side surface 50a and the end portion 31a of the locking piece opposing portion 31. Therefore, even in the present embodiment in which the overhanging portion 80 is provided, as in the first embodiment, when the plug connector 2 is fitted to the receptacle connector 3, the plug connector 2 can be effectively avoided. The plug housing body 50 of the plug housing 5 is in contact with the end portion 31a of the locking piece coupling portion 32 side of the locking piece opposing portion 31 of the auxiliary metal part 9 of the socket connector 3, and does not interfere with the plug connector 2 to the socket connector 3 Chimerism.

<Third embodiment>

Next, a third embodiment of the present invention will be described with reference to Figs. 35 and 36. Here, the present embodiment will be described focusing on differences from the second embodiment, and the overlapping description will be appropriately omitted. Further, the principle of the constituent elements corresponding to the respective constituent elements of the second embodiment described above The same symbol is attached.

As shown in Fig. 35, in the present embodiment, the overhanging surface 80a of the overhanging portion 80 has a first overhanging surface 80b and a second overhanging surface 80c. The first overhanging surface 80b is connected to the end portion of the second overhanging surface 80c on the side of the connector wire. In other words, the second overhanging surface 80c is connected to the end portion of the first overhanging surface 80b on the side of the wire connector. The first overhanging surface 80b faces the connector in the opposite center direction. The first overhanging surface 80b is orthogonal to the connector width direction. The first overhanging surface 80b is connected to the end portion of the lock holding surface 65 of the plug locking surface 60 of the claw portion 53 on the side of the connector wire. The second overhanging portion 80c is inclined in the center direction of the connector width as it goes toward the wire connector.

When the plug connector 2 is fitted to the receptacle connector 3 as shown in Fig. 36, only the first overhanging surface 80b of the overhanging portion 80 always comes into contact with the locking piece opposing portion 31, and The second overhanging surface 80c of the stretched portion 80 does not contact the locking piece opposing portion 31. Further, the first overhanging surface 80b is connected to the end portion of the lock holding surface 65 of the claw portion 53 in the direction of the connector wire. Therefore, even if the locking piece opposing portion 31 is to be elastically displaced toward the center of the connector width by the contact of the overhanging portion 80 with the locking piece opposing portion 31, the auxiliary portion shown in FIG. 15 is not affected. The socket locking surface 38 of the lock piece opposing portion 31 of the metal member 9 and the lock maintaining surface 65 of the plug locking surface 60 of the claw portion 53 shown in Fig. 20 are opposed to each other in the connector height direction.

1‧‧‧Wire-to-substrate connector

2‧‧‧ plug connector

3‧‧‧Socket connector

5‧‧‧ plug housing

6‧‧‧Wire

9‧‧‧Auxiliary metal parts (locking piece)

10‧‧‧Circuit board (substrate)

10a‧‧‧Connector mounting surface

25‧‧‧Displacement Restriction Department

31‧‧‧Locking section

32‧‧‧Locking piece joint

35‧‧‧Restricted protrusion

36‧‧‧Lock hole

37‧‧‧Locking beam

38‧‧‧Socket locking surface

41‧‧‧ positioning slot

51‧‧‧Relief

52‧‧‧ Positioning protrusion

53‧‧‧ claws

60‧‧‧plug locking surface

65‧‧‧Locking maintenance surface

66‧‧‧Lock release surface

Claims (14)

A connector for a wire-to-substrate, comprising: a plug connector having a plug contact to which a wire is attached, and a plug case holding the plug contact; and a socket connector having a socket corresponding to the plug contact And a socket housing that holds the socket contact and is mounted on a connector mounting surface of the substrate; the plug connector is fitted to the socket connector, so that the plug contact contacts the socket contact; In a fitting state in which the plug connector is fitted to the receptacle connector, a portion of the electric wire that is located in the vicinity of the plug connector extends along the connector mounting surface of the substrate a fitting direction in which the plug connector is fitted in the direction of the socket connector is in a direction approaching the connector mounting surface of the substrate; and the plug housing has a plug side surface as a side surface of the plug housing; The socket connector has a side facing portion opposite to the side surface of the plug in the fitting state described above; a claw portion protruding from the side surface facing portion side is provided on a side surface of the plug; the claw portion has a plug locking surface facing away from the connector mounting surface of the substrate, and the orientation is specified as the inlay The front side of the socket connector extends in the direction of the wire in the longitudinal direction; the side facing portion of the socket connector has a socket locking surface facing the connector mounting surface of the substrate, and a plug-in state that faces the plug-locking surface; the plug-locking surface has a lock-retaining surface, and is disposed on a side of the connector wire that is a direction in which the wire is viewed from the plug connector; And the lock release surface is disposed on the wire connector direction side opposite to the direction of the connector wire; and the angle between the reference face and the lock maintaining face is assumed in a cross section orthogonal to the wire direction In order to lock the maintaining angle (θ 1), the angle between the aforementioned reference plane and the aforementioned unlocking surface is assumed to be locked. In addition to the angle (θ 2), the lock maintaining angle (θ 1) is smaller than the lock release angle (θ 2 ); the reference surface is the connector mounting surface of the plug side that is further away from the substrate than the claw portion The side part. The wire-to-substrate connector according to claim 1, wherein the lock release angle (θ 2) is larger than 90 degrees. The wire-to-substrate connector according to claim 1, wherein the lock maintaining angle (θ 1) is 90 degrees or less. The connector for a wire-to-board according to claim 1, wherein the unlocking surface is inclined so as to approach the side surface of the plug in a direction toward the wire connector. The connector for a wire-to-board according to claim 1, wherein the unlocking surface is connected to an edge of the lock maintaining surface that is away from a side of the plug side. The wire-to-board connector according to claim 1, wherein an end portion of the claw portion on the side of the wire connector direction is formed to have an inclination inclined so as to approach the side surface of the plug toward the wire connector. The inclined surface is connected to the lock release surface. The connector for a wire-to-board according to any one of claims 1 to 6, wherein the side facing portion includes a locking piece supporting portion and a locking piece supported by the locking piece supporting portion; The locking piece is configured to have a locking piece holding portion held by the locking piece supporting portion and a cantilever beam shape facing the locking piece opposing portion of the plug side surface; the locking piece opposing portion can be oriented The elastic displacement is away from the side of the plug; the socket locking surface is formed on the locking piece opposite portion. The connector for a wire-to-board according to claim 7, wherein the side facing portion has a displacement restricting portion that is separated by the locking piece The opposing portion is disposed on the opposite side of the connector mounting surface of the substrate, thereby restricting the locking piece facing portion from being elastically displaced in a direction away from the connector mounting surface of the substrate. The connector for a wire-to-board according to claim 7, wherein the locking piece holding portion and the locking piece opposing portion are formed along the wire direction. The connector for a wire-to-board according to the above-mentioned item 9, wherein the end portion of the locking piece holding portion on the side of the wire connector side and the end portion of the locking piece opposing portion on the side of the wire connector side are Linked. The connector for a wire-to-board according to claim 1, wherein the plug housing is provided with a release protrusion for tilting the plug connector so that the wire approaches the connector mounting surface of the substrate. The connector for a wire-to-board according to claim 11, wherein the release projection is formed to protrude from the end portion of the plug housing on the side of the wire connector toward the wire connector. A connector for a wire-to-substrate, comprising: a plug connector having a plug contact to which a wire is attached, and a plug case holding the plug contact; and a socket connector having a socket corresponding to the plug contact And a socket housing that holds the socket contact and is mounted on a connector mounting surface of the substrate; Inserting the plug connector into the socket connector, thereby causing the plug contact to contact the socket contact; and in a fitting state in a state in which the plug connector is fitted to the socket connector, a portion of the electric wire that is located in the vicinity of the plug connector extends along the connector mounting surface of the substrate; and the fitting direction in which the plug connector is fitted in the direction of the socket connector is close to a direction of the connector mounting surface of the substrate; the plug housing has a plug side surface as a side surface of the plug housing; and the socket connector has a side facing portion facing the plug side surface in the fitting state; a claw portion protruding from the side surface facing portion side is provided on a side surface of the plug; the claw portion has a plug locking surface facing away from the connector mounting surface of the substrate, and the orientation is specified as the inlay The wire direction extending in the longitudinal direction of the near side portion in the combined state; the aforementioned side of the socket connector The unit system having: a socket lock surface, the lines near the face of the connector mounting direction of the substrate surface, and in the fitted state with the locking surface opposite to the plug; The plug lock surface is provided with a lock maintaining surface that is disposed on a side of the connector wire that is a direction in which the electric wire is viewed from the plug connector, and a lock release surface that is disposed as the connection. The wire connector direction side in the opposite direction of the wire direction; the lock release surface is formed to be curved so as to approach the connector mounting surface of the substrate away from the side surface of the plug. A connector for a wire-to-substrate, comprising: a plug connector having a plug contact to which a wire is attached, and a plug case holding the plug contact; and a socket connector having a socket corresponding to the plug contact And a socket housing that holds the socket contact and is mounted on a connector mounting surface of the substrate; the plug connector is fitted to the socket connector, so that the plug contact contacts the socket contact; In a fitting state in which the plug connector is fitted to the receptacle connector, a portion of the electric wire that is located in the vicinity of the plug connector extends along the connector mounting surface of the substrate a fitting direction in which the plug connector is fitted in the direction of the socket connector is a direction close to the connector mounting surface of the substrate; The plug housing has a plug side surface as a side surface of the plug housing; the socket connector has a side facing portion facing the side surface of the plug in the fitting state; and the side surface of the plug is provided with a protrusion protruding from the side surface a claw portion on the facing portion side; the claw portion has a plug locking surface facing away from the connector mounting surface of the substrate, and is oriented in a longitudinal direction of the near side portion in the fitting state Extending the wire direction; the side facing portion of the socket connector has a socket locking surface facing the connector mounting surface of the substrate, and facing the plug locking surface in the fitting state The plug locking surface has a lock maintaining surface that is disposed on a connector wire direction side that is a direction in which the wire is viewed from the plug connector as a direction of the wire, and a lock release surface that is disposed as The connector side of the wire connector in the opposite direction of the connector wire direction; orthogonal to the aforementioned wire In the cross section, when the angle between the reference plane and the lock maintaining surface is assumed to be the lock maintaining angle (θ 1), the angle between the reference plane and the unlocking surface is assumed to be the unlocking angle (θ 2). When the lock maintains the angle (θ 1) than the lock release angle The reference surface is a portion of the side surface of the plug that is further away from the connector mounting surface of the substrate than the claw portion, and the side facing portion includes a locking piece support portion, and The locking piece is supported by the locking piece supporting portion; the locking piece is configured to have a locking piece holding portion held by the locking piece supporting portion, and a locking piece pair facing the side surface of the plug a locking cantilever beam shape; the locking piece opposing portion is elastically displaceable in a direction away from the side surface of the plug; and the plug side surface of the plug housing is provided to extend outward from the locking piece side of the side facing portion The protruding portion is in contact with the elastically displaceable portion of the opposite portion of the locking piece in the mating state.