TWI606645B - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector with better stability.

The existing cable connector is used to increase the holding force of the conductive terminal in the plastic body, the holding plug is L-shaped, and one side of the conductor terminal is an L-shaped design. When the cable is assembled to the plastic body, there is a retaining plug positioning groove above the plastic body, and the holding is fixed. The plug is installed from here, passes through the plastic body, and resists the L-shape on the side of the conductive terminal, so that when the conductive terminal is pulled through the cable, there is a certain holding force, and the terminal is not separated. However, the holding method is a single-sided support. When the wire is stressed, all the force is applied to the supporting surface, which causes the rivet terminal to be deformed by rotation, and the cost of holding the plug and the conductive terminal mold is large, and the manufacturing process is relatively difficult to assemble.

In view of this, it is 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 relatively stable and easy to assemble.

In order to achieve the above object, the present invention relates to an electrical connector comprising a plastic body having a plurality of terminal receiving slots disposed in front and rear; a plurality of conductive terminals having a front end disposed a main body portion of the terminal receiving groove and having a U shape; the body portion has a pair of oppositely disposed contact pieces and a bridge portion connected to the same side of the contact piece; wherein one of the pair of conductive terminals is away from the bridge The open end of the portion is recessed with a recess, and the plastic body is formed with an open groove extending outwardly on the open side of the body portion, the fixing slot is in communication with the terminal receiving groove and the groove, and the electrical connector is further The fixing mechanism includes a fixing mechanism mounted on the plastic body from the fixing groove, and the fixing mechanism has a positioning portion extending into the groove and cooperating with the groove; the front and rear sides of the groove on each of the contact pieces are respectively formed And a limiting wall matched with the positioning portion, wherein the fixing mechanism further forms at least an abutting portion of each of the conductive terminals against the opposite side surface of the contact piece.

As a further improvement of the present invention, the fixing mechanism is formed on the outer side of each positioning portion with the abutting portion that abuts against both side surfaces of each contact piece.

In order to achieve the above object, the present invention also relates to an electrical connector having a plastic body having a plurality of terminal receiving slots disposed in front and rear, and a plurality of conductive terminals having a U-shaped body portion disposed in the terminal receiving groove. The body portion has a pair of oppositely disposed contact pieces and a bridge portion connected to the same side of the contact piece; wherein, one of each of the conductive terminals is recessed with a groove for the contact piece away from the open end of the bridge portion, the plastic The main body is formed with an outwardly opening fixing groove on the opening side of the main body portion, the fixing groove is connected to the terminal receiving groove and the groove, and the electrical connector further comprises a fixing mechanism mounted from the fixing groove to the plastic body. The fixing mechanism has a positioning portion extending into the groove and cooperating with the groove; the fixing mechanism further has a base portion located above the positioning portion, and the base portion and the fixing groove are formed with each other to be fastened and fixed to each other. Positioning block and positioning slot.

As a further improvement of the present invention, the positioning block protrudes outward from the base portion. The positioning groove is formed on both sides of the fixing groove.

As a further improvement of the present invention, the base portion is composed of a pair of spaced-apart elastic holding walls, and the positioning blocks are respectively formed on the outer sides of each of the holding walls.

According to a further improvement of the present invention, the plastic body has a main body portion and a step portion protruding outward from a top portion of the main body portion, wherein the main body portion of the conductive terminal is disposed toward the top opening, and the step portion is formed to correspond to the terminal receiving groove And a through groove extending through the front and the rear and a top wall at the top of the through groove, the fixing groove is in communication with the through groove, and the groove is formed as the positioning groove at a position on the rear side before the fixing groove, the positioning The block protrudes into the through groove of the front and rear sides of the fixing groove and is engaged with the top wall.

As a further improvement of the present invention, the fixing slots are respectively disposed in one-to-one correspondence with each of the terminal receiving slots, and the fixing mechanism is also provided correspondingly in a plurality of intervals.

As a further improvement of the present invention, the terminal receiving groove is formed at a front end of each of the conductive terminals with a limiting block for restricting the forward movement of the conductive terminal, and the groove is disposed adjacent to one end of each of the contact pieces away from the limiting block.

As a further improvement of the present invention, a limiting elastic piece extending outward and rearward is further disposed on the bridging portion of each of the conductive terminals, and the plastic body forms a protrusion for resisting the limiting elastic piece.

The invention is inserted into the fixing groove of the plastic body by the fixing mechanism and cooperates with the groove of the conductive terminal, so that the electrical connector is stable and easy to assemble.

100‧‧‧Electrical connector

1‧‧‧Plastic body

101‧‧‧ top wall

102‧‧‧ bottom wall

103‧‧‧ partition wall

11‧‧‧ Main body

12‧‧‧Steps

14‧‧‧Terminal receiving slot

141‧‧‧Limited blocks

142‧‧‧Bumps

15‧‧‧through slot

16‧‧‧fixed slot

17‧‧‧ positioning slot

2‧‧‧Electrical terminals

21‧‧‧ Body Department

211‧‧‧Contacts

2110‧‧‧ Groove

2112‧‧‧Limited wall

212‧‧‧Bridge

213‧‧‧Limited shrapnel

22‧‧‧ Crimp

3‧‧‧Fixed institutions

31‧‧‧ base

311‧‧‧ holding wall

312‧‧‧ Positioning block

3121‧‧‧ Guide surface

32‧‧‧ Positioning Department

321‧‧‧Resistance Department

4‧‧‧ Cable

The first figure is a perspective view of the electrical connector of the present invention.

The second figure is a view of the other angle of the first figure.

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

The fourth figure is a view of the other angle of the third figure.

The fifth figure is a schematic diagram of the assembly of the conductive terminals, the fixing mechanism and the cable of the electrical connector shown in the third figure.

6 to 7 are perspective views of the conductive terminals and cables in the third figure.

8 to 9 are perspective views of the fixing mechanism in the third figure.

The tenth figure is a schematic cross-sectional view taken along line X-X in the first figure.

The eleventh figure is a schematic cross-sectional view of line XI-XI in the first figure.

The first embodiment to the eleventh embodiment show a preferred embodiment of the electrical connector 100 of the present invention. The electrical connector 100 includes a plastic body 1 and a plurality of conductive terminals 2 fixed in the plastic body 1. And a plurality of fixing mechanisms 3 mounted on the plastic body 1 and a cable 4 electrically connected to the conductive terminals 2 .

The plastic body 1 has a main body portion 11 and a step portion 12 projecting outward from the top of the main body portion 11, and has a top wall 101, a bottom wall 102 disposed opposite the top wall 101, and a top wall 101 in a height direction. The partition wall 103 between the bottom walls 102, the main body portion 11 is composed of a partition wall 103 and a bottom wall 102 and a region therebetween, and the step portion 12 is composed of the partition wall 103 and the top wall 101 and a region therebetween. The partition wall 103 is provided on a side closer to the top wall 101 in the height direction, and the front end surface of the top wall 101 is spaced apart from the front end surface of the plastic body 1 by a predetermined distance in the front-rear direction.

The main body portion 11 is provided with a plurality of terminal receiving grooves which are penetrated in the front-rear direction. 14. The terminal receiving groove 14 is located between the partition wall 103 and the bottom wall 102 and is spaced apart in the lateral direction of the main body portion 11. A stopper 141 for restricting the forward movement of the conductive terminal 2 is formed in the terminal receiving groove 14 at the front end of each of the conductive terminals 2.

The step portion 12 is provided with a plurality of through slots 15 extending through the front and rear direction. The through slots 15 are located between the top wall 101 and the partition wall 103, and each of the terminal receiving slots 14 is correspondingly disposed with the wearing portion. The groove 15, that is, the through groove 15 and the terminal receiving groove 14 are vertically opposed. The top wall 101 of the plastic body 1 is formed with a fixing groove 16 that is open to the outside. The fixing groove 16 is disposed near the front end of the top wall 101 and is disposed in one-to-one correspondence with each of the terminal receiving grooves 14. The fixing groove 16 is recessed downwardly to communicate with the corresponding terminal receiving groove 14 and the through groove 15. The positioning groove 17 is formed at the rear side of the corresponding groove 16 before the corresponding fixing groove 16 .

Referring to the third to seventh embodiments, each of the foregoing conductive terminals 2 has a U-shaped body portion 21 and a crimping portion 22 extending rearward from the body portion 21 to be connected to the cable 4. The main body portion 21 is disposed in the terminal receiving groove 13 of the plastic body 1 , and the main body portion 21 has a pair of oppositely disposed contact pieces 211 and a bridge portion 212 connected to the lower side of the pair of contact pieces 211. 21 is a U-shaped structure with an opening upward, and the upper side of the main body portion 21 is an open side, that is, the main body portion 21 is provided toward the top opening of the main body portion 11.

Each of the conductive terminals 2 is recessed with a recess 2110 adjacent to the open end of the contact piece 211 away from the bridge portion 212. The recess 2110 is adjacent to each of the contact pieces 211 away from the limiting block 141 of the plastic body 1. Set at one end. The fixing groove 16 of the plastic body 1 is located on the opening side of the main body portion 21, and the fixing groove 16 communicates with the corresponding terminal receiving groove 14, the through groove 15 and the groove 2110. A limiting wall 2112 is formed on each of the front and rear sides of the groove 2110 on each of the contact pieces 211. The bridging portion 212 of each of the conductive terminals 2 is further provided with a limiting elastic piece 213 extending outward and backward. A protrusion 142 for abutting against the limiting elastic piece 213 is formed in the corresponding terminal receiving groove 14 of the plastic body 1.

The fixing mechanism 3 is mounted on the plastic body 1 from the fixing groove 16, and the fixing grooves 16 are respectively disposed in one-to-one correspondence with each of the terminal receiving grooves 14. The fixing mechanism 3 is also provided in a plurality of intervals.

The fixing mechanism 3 has a base portion 31 and a positioning portion 32 located below the base portion 31. In the present embodiment, the positioning portion 32 is provided with a pair in the lateral direction to be engaged with the contact piece 211 of one of the conductive terminals 2, respectively. The base portion 31 is formed by a pair of spaced apart elastic retaining walls 311. Each of the retaining walls 311 is respectively formed with at least one positioning block 312, that is, at least one positioning block 312 is formed on the front and rear sides of the base portion 31, respectively. The positioning blocks 312 are respectively protruded outward from the front surface and the rear surface of the base portion 31. Each positioning block 312 has a guiding surface 3112 that extends obliquely downward.

When the fixing mechanism 3 is inserted into the fixing groove 16, the fixing mechanism 3 enters the corresponding fixing groove 16 under the guiding action of the guiding surface 3121. The front and rear walls of the fixing groove 16 respectively press the guiding surface 3121. Further, the pair of holding walls 311 are elastically deformed to be close to each other, so that the fixing mechanism 3 can smoothly enter the fixing groove 16, and the positioning block 312 protrudes into the through groove 15 of the front and rear sides of the fixing groove 16, and is correspondingly fixed. The positioning grooves 17 on the front and rear sides of the groove 16 are fastened and fixed, and are simultaneously fastened to the top wall 101. The front and rear surfaces of the base portion 31 are restrained by the front and rear inner walls forming the fixing groove 16.

The positioning portion 32 is recessed from the front and rear surfaces of the base portion 31. The positioning portion 32 extends into the recess 2110 and is positioned to cooperate with the limiting wall 2112 of the recess 2110. The portion of the base portion 31 located between the pair of the positioning portions 32 in the lateral direction is sandwiched between the pair of the conductive terminals 2 and the contact piece 211 Inside. At least one of the outer side portions of each of the positioning portions 32 is formed with a resisting portion 321 that abuts against the opposite side surface of the contact piece 211 of each of the conductive terminals 2. In other embodiments, the outer side of each positioning portion 32 is formed with a pair of abutting portions 321 respectively abutting the two side surfaces of each of the contact pieces 211.

Referring to FIG. 11 to FIG. 11 , the electrical connector 100 is inserted into the fixing slot 16 of the plastic body 1 by the fixing mechanism 3 and is opposite to the groove 2110 provided by the contact piece 211 of one of the conductive terminals 2 . The fixing groove 16 and the through groove 15 are in a cross-shaped manner, and the fixing mechanism 3 can be blocked in the up-and-down direction and the front-rear direction to further limit the conductive terminal 2, and the cable 4 can be ensured when the cable 4 is pulled. The stability of the conductive terminal 2 in the plastic body 1 makes the two contact pieces 211 evenly forceed to prevent deflection and deformation thereof; the creation fixing mechanism 3 is simple in manufacture and low in cost, and the fixing mechanism 3 is symmetrically designed in front and rear, and is inserted and fixed. It is more convenient in the slot 16.

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

100‧‧‧Electrical connector

1‧‧‧Plastic body

101‧‧‧ top wall

102‧‧‧ bottom wall

16‧‧‧fixed slot

211‧‧‧Contacts

3‧‧‧Fixed institutions

312‧‧‧ Positioning block

4‧‧‧ Cable

Claims (9)

An electrical connector having a plastic body having a plurality of terminal receiving slots disposed in front and rear; a plurality of conductive terminals having a U-shaped body portion disposed in the terminal receiving groove, the body portion having a pair of oppositely disposed contacts And a bridge portion connected to the same side of the contact piece; wherein, one of each of the conductive terminals is recessed with a groove on the open end of the contact piece away from the bridge portion, and the plastic body is formed on the open side of the body portion An outer open fixing slot, the fixing slot is in communication with the terminal receiving slot and the recess, the electrical connector further comprising a fixing mechanism mounted from the fixing slot to the plastic body, the fixing mechanism having the extending into the a positioning portion that is grooved and matched with the groove; each of the front and rear sides of the groove on the contact piece is respectively formed with a limiting wall that is matched with the positioning portion, and the fixing mechanism is at least outside each positioning portion A resisting portion is formed with one of each of the conductive terminals abutting against an opposite side surface of the contact piece. The electrical connector of claim 1, wherein the fixing mechanism is formed on the outer side of each positioning portion with the abutting portion that abuts against both side surfaces of each contact piece. An electrical connector having a plastic body having a plurality of terminal receiving slots disposed in front and rear; a plurality of conductive terminals having a U-shaped body portion disposed in the terminal receiving groove, the body portion having a pair of oppositely disposed contacts And a bridge connected to the same side of the contact piece; wherein one of each of the conductive terminals is respectively recessed to the open end of the contact piece away from the bridge a groove, the plastic body is formed with an outwardly opening fixing groove on an opening side of the body portion, the fixing groove is in communication with the terminal receiving groove and the groove, and the electrical connector further comprises a mounting from the fixing groove to the fixing groove a fixing mechanism on the plastic body, the fixing mechanism has a positioning portion extending into the groove and cooperating with the groove; the fixing mechanism further has a base portion above the positioning portion, the base portion and the fixing groove sides A positioning block and a positioning groove fixed to each other are formed. The electrical connector of claim 3, wherein the positioning block protrudes outward from the base, and the positioning groove is formed on both sides of the fixing groove. The electrical connector of claim 4, wherein the base portion is composed of a pair of spaced-apart elastic retaining walls, and the positioning block is formed on an outer side of each of the retaining walls. The electrical connector of claim 5, wherein the plastic body has a main body portion and a step portion protruding outward from a top portion of the main body portion, wherein the body portion of the conductive terminal is disposed toward the top opening, and the step portion is formed a through groove corresponding to the upper and lower sides of the terminal receiving groove and extending through the front and rear, and a top wall at the top of the through groove, the fixing groove is in communication with the through groove, and the groove is formed at the rear side position before the fixing groove The positioning groove extends into the through groove of the front and rear sides of the fixing groove and is engaged with the top wall. The electrical connector according to any one of claims 1 to 6, wherein the fixing grooves are respectively provided in one-to-one correspondence with each of the terminal receiving grooves, and the fixing mechanism is also provided in a plurality of intervals. The electrical connector of claim 1 or 3, wherein the terminal receiving groove is formed at a front end of each of the conductive terminals with a limiting block for restricting the forward movement of the conductive terminal, the groove being close to each contact The piece is placed away from one end of the limit block. The electrical connector of claim 1 or 3, wherein the bridge portion of each of the conductive terminals is further provided with a limiting elastic piece extending outward and backward, and the plastic body is formed on the plastic body. A piece of shrapnel that resists.