JP3008157B2 - Flexible board connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a connector for a flexible board.

[0002]

2. Description of the Related Art Conventionally, a connector shown in an exploded perspective view of FIG. 14 has been used to connect a flexible substrate (see Japanese Utility Model Laid-Open No. 6-77186, hereinafter referred to as a conventional example). Referring to FIG. 14, the connector 50 for a flexible board has a plurality of contacts 53 in which an elastic contact portion 54A is disposed in an opening of a housing 51 opened upward. FIG. 15 is a sectional view of the connector of FIG. Referring to FIG. 14 in addition to FIG. 15, the housing 51 or a member held by the housing 51 is provided with a rotation support portion 55 at a position facing the opening. A lid-like pressing member 57 is rotatably supported by a rotation support portion 55 between a position close to the contact 53 and an open position separated from the position. The pressurizing member 57 has a rotating shaft 59 which engages with a shaft support 52A formed of a semicircular recess provided at one end of the holding portion 52 of the housing 51 at each end.
A, and when turned to a close position,
It has a pressurizing projection 62 that presses against the contact 53.

[0003]

However, in the conventional connector, the rotating shafts 59A at both ends and the holding portion 52 are provided.
However, when the connector is downsized, the rotating shaft 59A and the engaging portion 52A are inevitably reduced, so that it becomes difficult to fix the connector or extra force is applied. This causes a problem that the connection with the flexible substrate is difficult.

Therefore, a technical problem of the present invention is that the flexible substrate can be connected and fixed, released and released by a simple operation, and the engagement between one end of the operation section and the rotating shaft can be released when the flexible substrate is fixed. It is another object of the present invention to provide a highly reliable connector that can be securely connected.

[0005]

According to the present invention, there is provided a contact for pressing against a flexible substrate, a housing for holding the contact, an insulator provided at an upper end of one end and communicating with the housing, A flexible shaft having a rotating shaft protruding at one end on both sides, the operating shaft being rotatably supported by shaft housings provided on both sides of the opening of the insulator. in use the connector, the rotation shaft, a portion of the circumferential direction projects radially, suited to the rotating shaft outwardly
With a tapered projection that gradually narrows
The shaft accommodating portion has a portion corresponding to the protrusion formed widely on both sides thereof, and a part corresponding to the shaft accommodating portion.
The portion has at least a tapered shape corresponding to the tapered shape.
Thus, a connector for a flexible substrate characterized by having a slope formed on the flexible substrate is obtained.

In the connector for a flexible board according to the present invention, it is preferable that the operating portion is rotatably engaged with the contact from one end.

Further, in the flexible board connector according to the present invention, when inserting the flexible board, the operating portion presses the flexible board surface at a first rotation position with respect to the rotation axis. Press-contact part,
A second pressing portion for pressing the surface of the flexible substrate at a second rotational position with respect to the rotating shaft, wherein the second pressing portion is closer to the fixed shaft than the first pressing portion. Preferably, they are provided at remote locations.

Further, in the flexible board connector according to the present invention, it is preferable that the lower surface of the other end of the operating portion is configured to face upward at an open position distant from the bottom of the housing portion of the insulator. .

Further, in the flexible board connector according to the present invention, one surface of the operation section may be in a fixed state.
It is preferable that it is configured to contact the contact surface of the contact.

[0010]

According to the present invention, one end of the rotating shaft of the operating unit is
The insulator has a protrusion, while the hole of the insulator has a portion for accommodating this portion. Therefore, the insulator does not come off even when rotated to a fixed position, and the connection can be reliably performed.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1A is a perspective view showing an embodiment of a connector for a flexible substrate according to the present invention, and FIG. 1B is a perspective view of the connector shown in FIG. is there. 2 (a) is a plan view of the connector of FIG. 1, FIG. 2 (b) is a front view of the connector of FIG. 1, and FIG.
3 is a side sectional view of the connector of FIG. FIG. 3 is a partial perspective view showing a rotating shaft portion of an operation section of the connector of FIG. 1, and FIG. 4 is a partially exploded perspective view of FIG.

Referring to FIGS. 1 to 4, the connector 1 for a flexible substrate includes an insulator 10 and an operation unit 20. The operation unit 20 is provided on the side walls 14, 14 of the insulator 10 via a rotation shaft 21 so as to be rotatable in a vertical direction.

As best shown in FIG. 1B, when the operation unit 20 is opened, the opening of the insulator 10 can be viewed. In opposition to the first insulator section 11,
A second insulator portion 12 is provided below the opening, and a contact accommodation groove 2 provided in the front-rear direction for accommodating the lower contact of the contact 17 inside the second insulator portion 12 has a length of the insulator 10. A plurality are arranged in parallel along the direction. As will be described later in detail, the lower contact 17d of the contact 17 is accommodated in the contact accommodation groove 2.

As best shown in FIGS. 2 (a) and 2 (b), a rotating shaft 21 protrudes from both sides of the operation unit 20 so that the cross-sectional area gradually decreases toward the outside. The contact 1 described in detail later
An engaging portion 25 is provided so as to be engaged with the engaging portion 17c of the upper contact 17a of the seventh and to be able to rotate the operation portion 20 around the engaged portion.

As best shown in FIGS. 3 and 4, a shaft accommodating portion 15 is provided on the side wall portion 14 of the insulator 10, and the shaft accommodating portion 15 extends in the front-rear direction of the connector. The groove has a rectangular shape in cross section, and a lower side of the groove is provided with a slope 15a inclined inward. On the other hand, the rotating shaft 21 of the operation unit 20
Is provided with a projection 24 having an elliptical cross section whose cross section gradually widens from the end toward the base.

FIGS. 5 to 8 are cross-sectional views showing the connection operation of the connector 1 for a flexible substrate according to an embodiment of the present invention. FIGS. 9 to 12 show the flexible substrate shown in FIGS. It is sectional drawing which follows another cutting line of the connector for boards.

As shown in FIGS. 5 to 13, the connector 1 for a flexible substrate is an insulator 10 having a U-shaped cross section.
And an L-shaped operation unit 20 provided at one end of the insulator 10.

As shown in FIG. 5, the insulator 10
Are a first insulator 11 parallel to each other and a second insulator 11
And an insulator portion 12 of the above. The first insulator section 11 and the second insulator section 12 are connected by a bottom wall 13 on one end side of the insulator 10. On both sides of the other end of the first insulator section 11, there are rotating shafts 2 provided on both sides of one end of the operation section 20.
1 is supported. The operation part 20 includes a prismatic lid part 22 to which a force is applied when operating, and an arm part 23 connecting the lid part 22 and the rotating shaft 21, and is formed to have an L-shaped cross section.

The rotating shaft 21 is connected to the first insulator 11
Are supported by a shaft housing 15 inside a side wall 14 provided on both sides of the shaft. A projecting portion 24 protrudes from the outer peripheral surface of the rotating shaft 21 so as to be elliptical in the radial direction of the rotating shaft 21 on the side opposite to the side where the arm portion 23 and the lid portion 22 of the rotating shaft 21 extend.
On the other hand, the protruding portion 24 is formed in a tapered shape in which the cross section gradually narrows as it moves outward in the axial direction. The shaft receiving portion 15 penetrates in the thickness direction of the side wall 14 of the insulator, and a slope 15a is formed on the lower side so that the cross section gradually becomes larger as it moves outside the insulator.

When the operation unit 20 is rotated counterclockwise along the rotation shaft 21 in the figure so as to close the opening in the order of FIGS. 6, 7 and 8 from the position of FIG. The lid part 22 and the arm part 23 become horizontal, and the projection part 24 becomes a state protruding in the horizontal direction toward the bottom wall 13 side of the insulator. In this state, it is difficult to detach the operating unit 20 in the vertical direction because the rotating shaft 21 is in the shaft housing 15. However, when the operating unit 20 is moved along the horizontal direction and the width direction of the insulator 10, the rotating shaft 21 is disconnected. The engagement with the shaft accommodating portion 15 is released, and the operating portion 20 can be easily detached from the insulator.

Referring to FIG. 9, a U-shaped contact 17 is provided in housing portion 16 of insulator 10. The contact 17 has an upper contact portion 17a and a lower contact portion 17b. Upper contact 1
7a is formed so that the tip thereof protrudes so as to form a rotating shaft 17c having a circular cross section, and engages with a semicircular engaging portion 25 provided at the center in the width direction of the arm portion 23 of the operating portion 20. Is done. Further, the flexible substrate 30 is sandwiched between the contacts 17 from the left in the figure, and is inserted in contact with the stop portion 18 in the insulator 10.

When the operation unit 20 is rotated counterclockwise from the position shown in FIG. 9 by the engagement between the rotating shaft 21 and the shaft housing 15, the position shown in FIG. 10 is obtained. At the position shown in FIG. 10, the engaging portion 25 of the operating portion 20 is engaged with the rotating shaft 17c at one end of the contact.

When the operation unit 20 is further rotated from the position shown in FIG. 10, the position shown in FIG. 11 is obtained. In this state, the flexible board 30 starts to be pressed downward by the joining section 26 adjacent to the engaging section 25 of the operation section 20. further,
When the operation unit 20 is rotated, the state shown in FIG. 12 is obtained. FIG.
2, adjacent to the joint 26 outside the engaging portion 25,
The first pressure contact portion 27 forming a corner is pressed against the upper side of the flexible substrate 30. Further, when the operation unit 20 is rotated, FIG.
State. In this state, the operation unit 20 is in a substantially horizontal state, the upper surface of the flexible substrate 30 is pressed, and the lower surface is pressed against the contact tip 17d to be completely connected. Here, the first press contact portion 2
7 and the center of the rotating shaft 17c are the second pressing portions 28.
The operation unit 20 receives a rotational moment counterclockwise from the flexible substrate 30 in the figure, and rotates without applying a force to the operation unit, so that the surface of the operation unit 20 is rotated. 29 stops in contact with the contact surface bottom surface 19 of the upper contact portion 17a, and unless the clockwise force is applied to the operation portion 20, the position is kept as it is, and a fixed state is obtained.

When the flexible board 30 is detached from the connector 1, it can be easily detached by reversing the above operation.

[0026]

As described above, according to the present invention,
Since the fixing portion can be rotated with a large angle, the opening can be enlarged, and the connector for a flexible substrate can be provided which is easy to attach and detach, easy to fix, and easy to miniaturize.

According to the present invention, the rotation angle is large, a large pressing force can be applied, and the engagement between one end of the operation unit and the rotating shaft does not easily come off. A connector for a board can be provided.

[Brief description of the drawings]

FIG. 1A is a perspective view showing a connector for a flexible substrate according to an embodiment of the present invention. (B) is a perspective view when the operation part of the connector of (a) is opened.

FIG. 2A is a plan view of the connector of FIG.
(B) is a front view of the connector of FIG. (C) is FIG.
3 is a side sectional view of the connector of FIG.

FIG. 3 is a partial perspective view showing a rotation shaft part of an operation unit of the connector of FIG. 1;

FIG. 4 is an exploded perspective view of the part of FIG. 3;

FIG. 5 is a cross-sectional view showing a connection operation of the connector for a flexible substrate according to the embodiment of the present invention.

FIG. 6 is a cross-sectional view showing a connection operation of the connector for a flexible substrate according to the embodiment of the present invention.

FIG. 7 is a cross-sectional view showing a connection operation of the connector for a flexible substrate according to one embodiment of the present invention.

FIG. 8 is a cross-sectional view showing a connection operation of the connector for a flexible substrate according to one embodiment of the present invention.

9 is a cross-sectional view of the flexible printed circuit connector shown in FIGS. 5 to 8 taken along another cutting line.

FIG. 10 is a cross-sectional view of the flexible printed circuit connector shown in FIGS. 5 to 8 taken along another cutting line.

FIG. 11 is a cross-sectional view of the flexible printed circuit connector shown in FIGS. 5 to 8 taken along another cutting line.

FIG. 12 is a cross-sectional view of the flexible printed circuit connector shown in FIGS. 5 to 8 taken along another cutting line.

FIG. 13 is a cross-sectional view of the flexible board connector shown in FIGS. 5 to 8 taken along another cutting line.

FIG. 14 is an exploded perspective view of a connector for a flexible board according to a conventional example.

FIG. 15 is a cross-sectional view showing a connection operation of the flexible board connector of FIG. 14;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Flexible board connector 2 Housing groove 10 Insulator 11 1st insulator part 12 2nd insulator part 13 Bottom wall 14 Side wall 15 Axis accommodation part 15a Slope 16 Accommodation part 17 Contact 17a Upper contact part 17b Lower contact part 17c Rotating shaft 17d Contact tip 18 Stopping part 19 Bottom surface 20 Operation part 21 Rotating shaft 22 Lid part 23 Arm part 24 Projection part 25 Engagement part 26 Joining part 27 First press contact part 28 Second press contact part 29 One side 30 Flexible board 50 Flexible board Connector 51 Housing 52 Holder 52A Shaft support 53 Contact 54A Elastic contact 55 Rotation support 57 Pressing member 59A Rotary shaft

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H01R 23/00-23/68

Claims (5)

(57) [Claims] A contact that presses against the flexible substrate, an insulator that has a receiving portion that holds the contact and an opening that is provided at an upper end of the one end and that communicates with the receiving portion; A flexible shaft connector having an operating part rotatably supported by shaft receiving parts provided on both sides of the opening of the insulator, wherein the rotating shaft has a radius some of the circumferentially protruding direction, before
The taper shape gradually narrows outward in the rotation axis direction.
Comprises a projection formed on, the shaft receiving portion is a portion of the shaft receiving portion with a portion corresponding to the projection is formed wider at both sides
Has a tapered shape corresponding to at least the tapered shape.
A connector for a flexible board, comprising a formed slope . 2. The flexible board connector according to claim 1 , wherein the operating portion is rotatably engaged with the contact from one end. 3. The flexible board connector according to claim 2 , wherein the operating portion presses the flexible board surface at a first rotation position with respect to the rotation when inserting the flexible board. Press-contact part of
A second pressing portion for pressing the surface of the flexible substrate at a second rotation position with respect to the rotating shaft, wherein the second pressing portion is closer to the rotating shaft than the first pressing portion. A connector for a flexible substrate, which is provided at a remote position. 4. The flexible board connector according to claim 2 , wherein the lower surface of the other end of the operation portion is configured to face upward at an open position separated from the bottom surface of the housing portion of the insulator. A connector for a flexible substrate characterized by the above-mentioned. 5. The flexible board connector according to claim 3 , wherein one surface of the operation portion is configured to contact a contact surface of the contact in a fixed state. connector.