TWI661624B - Electrical connector - Google Patents

Abstract

The invention relates to an electrical connector with an insulating body, a plurality of conductive terminals and an assembly In the limiting member of the insulative housing, the insulative housing has a plurality of terminal slots extending through the front-rear direction and a latching mechanism at the top thereof for locking with the mating connector. The conductive terminals are assembled from the rear to the front and are received. In the corresponding terminal slot, and including at least one row arranged in the lateral direction, each of the conductive terminals has a contact portion in contact with the mating terminal and a riveting portion connected to the cable; the limiting member is in a direction from front to back The first insulating state and the second fastening state are respectively engaged with the insulating body, and the conductive terminal is pressed into the insulating body in the second fastening state.

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to a highly reduced electrical connector.

When the conventional electrical connector is locked and mated with the docking connector by using the locking device, the upper surface needs to reserve a locking mechanism for the docking connector, and when the overall height of the electrical connector is lowered, if When the stopper of the plug type reinforces the holding force between the conductive terminal and the insulating body, the limiting member must be provided with a gap by the setting of the locking mechanism, and the setting of the notch causes the limiting member to be formed. It causes curling, which in turn causes product defects.

In view of this, it is indeed necessary to further improve the conventional electrical connector to solve the above problems.

It is an object of the present invention to provide an electrical connector that is highly reduced and structurally stable.

In order to achieve the above object, the present invention provides an electrical connector having an insulative housing, a plurality of conductive terminals, and a limiting member assembled to the insulative housing, the insulative housing having a plurality of terminal slots extending therethrough in a front-rear direction and located therein The top end is a locking mechanism that is locked with the mating connector. The conductive terminals are assembled from the rear to the front and are received in the corresponding terminal slots, and include at least one row arranged in the lateral direction, each of the conductive terminals having a mating terminal a contact portion and a riveting portion connected to the cable; wherein the limiting member is assembled to the front side of the insulating body in a front-to-rear direction, and has the foregoing The edge body is engaged with the first fastening state and the second fastening state, and the conductive terminal is pressed into the insulating body in the second fastening state.

As a further improvement of the present invention, at least one first convex portion and at least one second convex portion are respectively formed on the upper and lower sides of the insulating body, and the first convex portion and the second convex portion on the same side are anterior and posterior The first convex portion and the second convex portion on the different sides are respectively aligned in the front-rear direction, so as to be respectively positioned with the corresponding snap grooves on the limiting member to achieve the first fastening state and the first Two snap-in status.

As a further improvement of the present invention, the aforementioned snap groove on the upper side includes a first buckle area and a second buckle area which are arranged in the front-rear direction and are in communication with each other, and the width of the second buckle area in the lateral direction is smaller than the a width of a buckle region in a lateral direction to form a step between the first buckle region and the second buckle region, the first protrusion and the second protrusion respectively being respectively associated with the first buckle region and the second The buckle area is snap-fitted.

As a further improvement of the present invention, the aforementioned snap groove on the lower side includes at least two spaced apart in the lateral direction, and the at least two snap grooves are staggered in the front-rear direction to respectively correspond to the corresponding first convex portion. It is engaged with the second convex portion.

According to a further improvement of the present invention, the limiting member includes a front wall and a rear wall extending from the front side and the lower side of the front wall respectively to form an upper wall and a lower wall, and the buckle grooves are respectively formed on the upper and lower walls. The limiting member has a plurality of receiving passages respectively corresponding to the terminal slots, and the receiving passage penetrates the front wall in the front-rear direction.

According to a further improvement of the present invention, the upper and lower walls respectively have protrusions protruding toward the other side, and the front side of the insulative housing has a plurality of partition walls spaced apart in the lateral direction and a cover wall between the adjacent partition walls, The partition walls are arranged side by side and spaced between adjacent partition walls The terminal slots are formed, each of the shielding walls is shielded from the outer side of the corresponding terminal slot, and has a stopping portion protruding toward the inside of the terminal slot, and the stopping portion is pressed forward against the blocking surface of the conductive terminal to prevent it from retreating.

According to a further improvement of the present invention, each of the foregoing covering walls further has an elastic wall protruding forwardly from a front side of the corresponding stopping portion, and the first convex portion and the first protruding portion are assembled to the insulating body from the front to the rear when the limiting member is assembled from the front to the rear. The two convex portions are respectively engaged with the corresponding snap grooves. In the first fastening state, the protruding portion and the corresponding elastic wall have a gap therebetween. In the second fastening state, the protruding portion is offset on the outer side. The corresponding elastic wall is pressed to move the corresponding stopper toward the inside of the terminal groove and increase the depth of contact with the blocking surface.

As a further improvement of the present invention, the insulative housing has a pair of side walls disposed in opposite sides of the lateral direction and oppositely disposed, and the pair of side walls sandwich the limiting member therebetween and limit the two sides thereof Bit.

As a further improvement of the present invention, the top wall of the insulative housing has a first top wall and a second top wall respectively disposed on two sides of the locking mechanism, and the first top wall and the second top wall respectively have a set of protrusions The structure wherein the two sets of protruding structures comprise at least one of the aforementioned first convex portion and one of the aforementioned second convex portions.

As a further improvement of the present invention, the insulative housing further has a plurality of spaced apart grooves spaced apart in the lateral direction, each of the partition walls is spaced apart from the adjacent covering wall to form the spacing groove, and the conductive terminal is provided in a vertical direction Extending and limiting to the limiting convex plate in the corresponding spacing groove.

Compared with the prior art, the electrical connector of the invention effectively reduces the height of the product while maintaining the locking function between the original and the mating connector, and at the same time, the structural strength of the limiting member is better and the deformation is avoided. The resulting poor retention and poor product quality.

100‧‧‧Electrical connector

1‧‧‧Insulating body

101‧‧‧Terminal slot

102‧‧‧First convex

103‧‧‧second convex

104‧‧‧ partition wall

105‧‧‧ Covering the wall

1051‧‧‧stop

1052‧‧‧Elastic wall

106‧‧‧ spacing slot

11‧‧‧ transverse wall

12‧‧‧Locking mechanism

13‧‧‧ top wall

131‧‧‧First top wall

132‧‧‧Second top wall

14‧‧‧ bottom wall

15‧‧‧ side wall

151‧‧‧ vertical wall

152‧‧‧Limited wall

2‧‧‧Electrical terminals

20‧‧‧ docking space

21‧‧‧Contacts

210‧‧‧Contact points

211‧‧‧First contact arm

212‧‧‧second contact arm

213‧‧‧ convex structure

214‧‧‧protective arm

215‧‧ ‧ blocking surface

22‧‧‧Riveting

23‧‧‧Retention Department

231‧‧‧Limited convex plate

3‧‧‧Limited parts

30‧‧‧Snap slot

301‧‧‧First buckle area

302‧‧‧Second buckle area

303‧‧‧Steps

304‧‧‧ rear edge

31‧‧‧ front wall

311‧‧‧ Containment passage

32‧‧‧Upper wall

33‧‧‧The lower wall

34‧‧‧Protruding

35‧‧ ‧ retaining wall

36‧‧‧Combination Department

4‧‧‧ Cable

The first figure is an assembled view of the electrical connector of the present invention in a first engaged state.

The second figure is an exploded perspective view of the electrical connector shown in the first figure.

The third figure is a partial assembly diagram of the electrical connector shown in the second figure.

The fourth figure is a view of another view of the electrical connector shown in the third figure.

The fifth figure is a perspective view of the conductive terminals of the electrical connector shown in the first figure.

The sixth figure is a perspective view of the limiting member of the electrical connector shown in the first figure.

Figure 7 is a perspective assembled view of the electrical connector of the present invention in a second engaged state.

The eighth figure is a cross-sectional view of the electrical connector shown in the first figure after the cable is connected.

The ninth figure is a cross-sectional view of the electrical connector shown in the seventh figure after the cable is connected.

The first embodiment to the ninth embodiment show a preferred embodiment of the electrical connector of the present invention. The electrical connector 100 includes an insulative housing 1 and a plurality of conductive terminals 2 fixed in the insulative housing 1 and assembled in the foregoing insulation. The limiting member 3 of the body 1 and the cable 4 electrically connected to the conductive terminal 1 . For convenience of explanation, the following description will be made with the butt end of the electrical connector 100 as the front end and the terminal as the rear end, that is, the front-back direction is the mating direction of the electrical connector 100 and the mating connector (not shown), and One direction perpendicular to the front-rear direction is a lateral direction, and the other direction perpendicular to the front-rear direction is a height direction. In this embodiment, the size of the insulative housing 1 in the lateral direction is larger than the height direction and the front-rear direction. The size of the upper.

Referring to FIG. 2 to FIG. 4, in the present invention, the insulative housing 1 has a plurality of terminal slots 101 extending therethrough in the front-rear direction and a latch at the top thereof for locking with the mating connector. The first conductive terminal 2 is assembled from the rear to the front and is received in the corresponding terminal slot 101, and includes at least one row arranged in the lateral direction. The limiting member 3 is assembled to the front side of the insulative housing 1 in a front-to-rear direction. The first fastening state and the second fastening state are engaged with the insulative housing 1 , and the conductive terminal 2 is pressed into the insulative housing 1 in the second fastening state.

Further, the insulative housing 1 has a transverse wall 11, a top wall 13, and a bottom wall 14 each extending in a lateral direction, and the top wall 13, the transverse wall 11, and the bottom wall 14 are spaced apart from each other in a height direction, and the terminal is The groove 101 has two rows which are disposed on both sides of the lateral wall 11 in the height direction, and each row of the terminal grooves 101 is formed by the lateral wall 11 spaced apart from the top wall 13 or the bottom wall 14 in the height direction. In the embodiment, the lateral wall 11 is located at a middle position between the top wall 13 and the bottom wall 14 in the height direction; in the front-rear direction, the lateral wall 11 extends forward beyond the top wall 13 and the bottom wall 14, The terminal groove 101 and the front portion of the conductive terminal 2 received in the terminal groove 101 are exposed to the upper and lower sides of the front portion of the lateral wall 11 .

The insulative housing 1 further has a pair of side walls 15 disposed on opposite sides of the lateral direction, and each of the side walls 15 connects the top wall 13, the transverse wall 11, and the bottom wall 14 to the side. The pair of side walls 15 are oppositely disposed in the lateral direction, each of the side walls 15 extending forward beyond the lateral wall 11 and including a vertical wall 151 extending in the height direction and one of the vertical wall 151 and extending in the lateral direction To the limiting wall 152, the pair of limiting walls 152 are oppositely disposed in the height direction, and are connected to the aforementioned vertical wall 151 to form a U-shaped structure in which the opening faces the other side wall 15.

The upper and lower sides of the insulative housing 1 (ie, the outer surfaces of the top and bottom walls 13 and 14) are respectively formed with at least one first convex portion 102 and at least one second convex portion 103, which are located on the same side as the first one. The convex portion 102 and the second convex portion 103 are staggered in the front-rear direction, and the first convex portion and the second convex portion on the different sides are respectively aligned in the front-rear direction to respectively correspond to the corresponding snap grooves on the limiting member 3 The 30 phase is positioned to achieve the aforementioned first fastening state and second fastening state.

The top wall 13 of the insulative housing 1 has a first top wall 131 and a second top wall 132 which are respectively disposed on two sides of the latching mechanism 12. The first top wall 131 and the second top wall 132 are respectively provided with a set of protruding structures. The two sets of protruding structures include at least one of the aforementioned first convex portion 102 and one of the foregoing second convex portions 103. The terminal slot 101 located at one of the upper sides of the lateral wall 11 is divided into two parts by the latch mechanism 12, so that at the upper portion of the upper side of the insulative housing 1, the arrangement of the upper row of terminal slots is eliminated and the latch is disposed at the position. The mechanism 12 is such that the latch mechanism 12 is sandwiched between the two portions of the upper row of terminal slots 101 instead of the conventional latching mechanism 12 disposed directly above the upper row of terminal slots 101, thereby causing the electrical connector 100 The overall height can be effectively reduced to meet the low configuration requirements of the product.

The front side of the insulative housing 1 has a plurality of partition walls 104 spaced apart in the lateral direction and a cover wall 105 between the two adjacent partition walls 104. The plurality of partition walls 104 are arranged side by side and the adjacent two partition walls 104 are spaced apart to form the aforementioned terminals. Each of the cover walls 105 is shielded from the outer side of the corresponding terminal slot 101, and has a stop portion 1051 protruding toward the inside of the terminal slot 101 and an elastic wall 1052 protruding forward from the front side of the corresponding stop portion 1051.

The insulative housing 1 further has a plurality of spaced grooves 106 spaced apart in the lateral direction, and each of the partition walls 104 is spaced apart from the adjacent cover wall 105 to form the spaced grooves 106.

Referring to FIG. 2 to FIG. 3, FIG. 5 and FIG. 8 to FIG. 9 , each of the foregoing conductive terminals 2 includes a contact portion 21 and a cable 4 which are in contact with a mating terminal (not shown). The connected crimping portion 22 and the holding portion 23 that connects the contact portion 21 to the crimping portion 22, the contact portion 21 has a docking space 20 into which the butting terminal is inserted.

The conductive terminal 2 has a side facing away from the side of the lateral wall 11 and adjacent to the other side of the lateral wall 11. The contact portion 21 has a frame-like structure as a whole, and has a first contact arm 211 and a second contact with the mating terminal. The contact arm 212, the first and second contact arms 211, 212 have protrusions toward each other Contact point 210 for contacting and clamping the docking terminal.

Further, on the side facing away from the side of the lateral wall 11, the contact portion 21 has a convex structure 213 protruding toward the outside to deepen the contact depth with the stopper portion 1051 after being inserted into the insulating body 1, and the aforementioned protrusion The structure 213 is disposed on the same side as the first contact arm 211. On the other side of the lateral wall 11, the contact portion 21 is provided with the second contact arm 212 and a protection arm 214 located outside the second contact arm 212. The rear end surface of the contact portion 21 is formed as a blocking surface 215 that cooperates with the insulating body 1 described above.

The retaining portion 23 of the conductive terminal 2 is provided with a limiting convex plate 231 extending in a vertical direction and located on one side thereof in the lateral direction. The limiting convex plate 231 is limited to the corresponding spacing groove 106 of the insulating body 1 .

Referring to the second to fourth and sixth figures, the limiting member 3 includes a front wall 31 and a rear wall 32 and a lower wall extending rearward from the rear and rear sides of the front wall 31, respectively. 33. The aforementioned snap grooves 30 are formed at the rear portions of the upper and lower walls 32 and 33, respectively. In the embodiment of the present invention, the buckle groove 30 is a through groove that penetrates the upper wall 32 or the lower wall 33 in the height direction. In other embodiments, the buckle groove 30 may also be recessed. The recessed structure on the upper wall 32 or the lower wall 33. The limiting member 3 has a plurality of receiving passages 311 respectively corresponding to the terminal slots 101. The receiving passages 311 penetrate the front wall 31 in the front-rear direction for insertion of the mating terminals.

In a preferred embodiment of the present invention, the aforementioned snap groove 30 on the upper side includes a first buckle area 301 and a second buckle area 302 which are arranged in the front-rear direction and are in communication, and the second buckle area 302 is in the lateral direction. The upper width is smaller than the width of the first buckle region 301 in the lateral direction to form a step portion 303 between the first buckle region 301 and the second buckle region 302, the first convex portion 102 and the second convex portion 103 is respectively engaged with the first buckle area 301 and the second buckle area 302. In other embodiments, the positioning positions of the first and second convex portions 102 and 103 may be interchanged with the first and second convex portions 102, The 103 is disposed on the limiting member 3, and the locking groove 30 is disposed on the insulative housing 1.

The aforementioned latching groove 30 on the lower side includes at least two spaced apart in the lateral direction, and the at least two latching grooves 30 are staggered in the front-rear direction to respectively correspond to the corresponding first convex portion 102 on the bottom wall 14. It is engaged with the second convex portion 103. In the present embodiment, the aforementioned latching groove 30 on the lower side includes three spaced apart in the lateral direction, and the rear end edges 304 of the two latching grooves 30 on both sides are aligned in the front-rear direction, and the card is located in the middle. The rear end edge 304 of the buckle groove 30 is disposed forward of the rear end edge 304 of the side snap groove 30.

The upper and lower walls 32, 33 respectively have protruding portions 34 projecting toward the other side. In the present embodiment, the protruding portions 34 are elongated in the lateral direction, and the corresponding upper and lower walls 32, 33 are laterally One side in the direction extends to the other side of the opposite setting. The stopper 3 further has a retaining wall 35 on the rear side of the snap groove 30, and the upper and lower walls 32 and 33 respectively have the retaining wall 35.

When the conductive terminal 2 is inserted into the corresponding terminal slot 101, the stopper portion 1051 of the insulative housing 1 is pressed forward against the blocking surface 215 of the conductive terminal 2 to prevent it from retreating.

When the limiting member 3 is assembled to the insulative housing 1 from the front to the rear, the first convex portion 102 and the second convex portion 103 are respectively engaged with the corresponding locking grooves 30, and the corresponding portions of the blocking walls 35 respectively resist The rear side of the first and second convex portions 102, 103 has a gap between the protruding portion 34 and the corresponding elastic wall 1052 in the first engaged state.

As shown in FIG. 7 , the pair of side walls 15 of the insulative housing 1 sandwich the limiting member 3 therebetween and limit the two sides thereof. Specifically, the joint portion formed on both sides of the limiting member 3 is formed. 36 is inserted into the U-shaped structure on both sides of the aforementioned side wall 15, thereby preventing displacement of the stopper 3 in the lateral direction and the height direction. In this embodiment, when the limiting member 3 is completely installed on the front side of the insulative housing 1 (that is, in the second fastening state), the front end surface of the limiting member 3 is flush with the front end surface of the side wall 15 of the insulative housing 1. . The aforementioned limit The joint portion 36 on both sides of the position member 3 is surrounded by the limiting wall 152 and the vertical wall 151 to effectively prevent the limiting member 3 from shaking during the docking process, and the limiting wall 152 and the vertical wall 151 can serve as protection limits. The role of the bit 3 .

In the second fastening state, the protruding portion 34 presses the corresponding elastic wall 1052 on the outer side to move the corresponding stopping portion 1051 toward the inside of the terminal slot 101 and increase the contact depth with the blocking surface 215. For example, the terminal row slot 101 and the corresponding conductive terminal 2 are exemplified, and the stopping portion 1052 is moved upward to make the rear end surface of the protruding structure 213 move downward relative to each other without being easily slid out from the top end of the stopping portion 1052, thereby The lock between the two is deeper and avoids loosening.

The electrical connector 100 of the present invention can effectively reduce the height of the product while maintaining the locking function between the original and the docking connector, and at the same time, the structural strength of the limiting member 3 is better, and the deformation thereof is prevented. Poor retention and poor product quality.

It is to be understood that the equivalents of the invention are intended to be included within the scope of the invention as claimed.

Claims (10)

An electrical connector includes an insulative housing, a plurality of conductive terminals, and a limiting member assembled to the insulative housing, wherein the insulative housing has a plurality of terminal slots extending therethrough in a front-rear direction and at a top thereof for latching with the mating connector The latching mechanism is assembled from the rear to the front and is received in the corresponding terminal slot, and includes at least one row arranged in the lateral direction, each of the conductive terminals having a contact portion and a cable contacting the mating terminal And the connecting portion is assembled to the front side of the insulating body in a direction from the front to the back, and has a first fastening state and a second fastening state that are engaged with the insulating body, and the second buckle is In the combined state, the aforementioned conductive terminals are pressed into the insulating body. The electrical connector of claim 1, wherein at least one first convex portion and at least one second convex portion are respectively formed on the upper and lower sides of the insulating body, and the first convex portion on the same side And the second convex portion is staggered in the front-rear direction, and the first convex portion and the second convex portion on the different sides are respectively aligned in the front-rear direction to be respectively positioned with the corresponding snap grooves on the limiting member to achieve the foregoing The first fastening state and the second fastening state. The electrical connector of claim 2, wherein the aforementioned snap groove on the upper side comprises a first buckle zone and a second buckle zone arranged in the front-rear direction and communicating with each other, the second buckle zone edge The width in the lateral direction is smaller than the width of the first buckle region in the lateral direction to form a step between the first buckle region and the second buckle region, and the first convex portion and the second convex portion respectively A buckle area and a second buckle area are engaged and engaged. The electrical connector of claim 2, wherein the aforementioned snap groove on the lower side comprises at least two spaced apart in the lateral direction, and the at least two snap grooves are staggered in the front-rear direction. And respectively engaging with the corresponding first convex portion and the second convex portion. The electrical connector of claim 2, wherein the limiting member comprises a front wall and an upper wall and a lower wall extending from the upper end and the lower side of the front wall respectively, wherein the buckle groove respectively Formed on the rear portion of the upper and lower walls, the limiting member has a plurality of receiving passages respectively corresponding to the terminal slots, and the receiving passage penetrates the front wall in the front-rear direction. The electrical connector of claim 5, wherein the upper and lower walls respectively have protrusions protruding toward the other side, and the front side of the insulative housing has a plurality of partition walls spaced apart in the lateral direction and located at two adjacent partition walls. a cover wall, a plurality of partition walls are arranged side by side and the adjacent two partition walls are spaced apart to form the terminal groove, each cover wall is shielded outside the corresponding terminal slot, and has a stop portion protruding toward the inside of the terminal slot, the foregoing The stopper portion is pressed forward against the blocking surface of the aforementioned conductive terminal to prevent it from retreating. The electrical connector of claim 6, wherein each of the foregoing covering walls further has an elastic wall protruding forwardly from a front side of the corresponding stopping portion, and when the limiting member is assembled from the front to the rear to the insulating body, The first convex portion and the second convex portion are respectively engaged with the corresponding snap grooves. In the first fastening state, the protruding portion and the corresponding elastic wall have a gap therebetween, in the second fastening state. The protruding portion presses the corresponding elastic wall on the outer side to move the corresponding stopper toward the inside of the terminal groove and increase the contact depth with the blocking surface. The electrical connector of claim 5, wherein the insulative housing has a pair of side walls disposed in opposite sides of the lateral direction and oppositely disposed, the pair of side walls sandwiching the limiting member therebetween Limit it on both sides. The electrical connector of claim 5, wherein the top wall of the insulative housing has a first top wall and a second top wall respectively disposed on opposite sides of the latching mechanism, the first top wall and the second The top wall is respectively provided with a set of protruding structures, wherein the two sets of protruding structures include at least one of the aforementioned first convex portions And one of the aforementioned second protrusions. The electrical connector of claim 6, wherein the insulating body further has a plurality of spaced grooves spaced apart in a lateral direction, and each of the partition walls is spaced apart from the adjacent covering wall to form the spacing groove, the conductive The terminal is provided with a limiting convex plate extending in the vertical direction and limited to the corresponding spacing groove.