TWM592183U - Electrical connector - Google Patents

Abstract

This creation relates to an electrical connector, which includes an insulating body and a plurality of conductive terminals. The insulating body has a butting space on the front side and a plurality of terminal slots communicating with the butting space. The terminal slot connects the insulating body in the front-rear direction Through, the conductive terminals are fixed in corresponding terminal grooves, and each of the conductive terminals has a contact portion protruding forward in the docking space and a holding portion fixed to the insulating body, wherein the holding portion has a first position The elastic holding arm on the side and the resisting wall on the second side, the free end of the holding arm resists the limiting portion in the insulating body, the insulating body has a plurality of elastic walls corresponding to the terminal grooves, The resisting wall resists the aforementioned elastic wall.

Description

Electrical connector

This creation relates to an electrical connector, especially an electrical connector with better retention.

The conventional electrical connector has an insulating body and the conductive terminal fixed in the insulating body. The insulating body has the terminal groove for accommodating the corresponding conductive terminal. The conductive terminal is usually formed by one or two elastic snap arms In order to buckle with the insulating body, however, it is difficult to achieve reliable bonding only by the snap arm of the conductive terminal, which leads to poor retention between the conductive terminal and the insulating body.

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

The purpose of this creation is to provide a new type of electrical connector with better retention between the conductive terminals and the insulating body of the electrical connector.

To achieve the above object, the present invention provides an electrical connector, which includes an insulating body and a plurality of conductive terminals, the insulating body has a docking space on its front side and a plurality of terminal grooves communicating with the docking space, the terminal grooves are along the front and back Direction through the insulating body, the conductive terminals are fixed in corresponding terminal slots, each of the conductive terminals has a contact portion protruding forward in the docking space and a holding portion fixed with the insulating body, wherein the holding The portion has an elastic clamping arm located on the first side and a resisting wall located on the second side, the free end of the clamping arm resists the limiting portion in the insulating body, and the insulating body has correspondingly disposed terminal grooves In a plurality of elastic walls, the resisting wall resists the elastic wall.

As a further improvement of the present creation, the conductive terminal is inserted into the terminal slot from the front to the front, the holding portion includes a top plate on the upper side of the resisting wall, and the holding arm is bent from the top plate to make its rear end free End.

As a further improvement of this creation, the limiting portion is provided corresponding to the terminal slot and protrudes downward into the corresponding terminal slot, and the free end of the clamping arm abuts rearwardly on the front end surface of the limiting portion.

As a further improvement of this creation, each of the elastic walls has a protrusion protruding toward the inside of the corresponding terminal groove and a tongue located on the front side of the protrusion, and the blocking wall is located on the upper side of the tongue and abuts the protrusion Front side.

As a further improvement of the present creation, the conductive terminal further has a pair of side plates connecting the top plate and the resisting wall and a pair of fins extending outwardly from the corresponding side plates, the pair of fins extending in opposite directions .

As a further improvement of this creation, in the front-rear direction, the aforementioned fin is located behind the aforementioned resisting wall.

As a further improvement of this creation, each of the aforementioned terminal slots has a pair of slots located on both sides in the lateral direction to receive the corresponding fins.

As a further improvement of this creation, each of the conductive terminals further has a flange portion formed by being folded upward from the top plate, the flange portion extending in the front-rear direction and located on one side of the holding arm in the lateral direction.

As a further improvement of this creation, the contact portion includes a first contact portion and a second contact portion stacked in a height direction, the first contact portion and the second contact portion are both in a sheet shape, and the second contact portion has opposite A pair of contact pieces is extended.

As a further improvement of this creation, each of the conductive terminals further has a stop portion between the contact portion and the holding portion, the front end of the stop portion is connected to the contact portion, and the rear end is adjacent to the front end of the resisting wall And the stop portion extends obliquely so that the distance from the rear end to the top plate is greater than the distance from the front end to the top plate, and the corresponding stop block in the insulating body resists the stop portion in front of the stop portion.

Compared with the prior art, the holding portion of the original electrical connector has an elastic holding arm on the first side and a resisting wall on the second side, and the free end of the holding arm is in opposition to the limiting portion in the insulating body The resisting wall resists the elastic wall in the insulating body, so that the conductive terminals are positioned by different structures on both sides, so as to improve the holding force of the conductive terminals in the insulating body.

Please refer to the first to eighth figures for a preferred embodiment of the electrical connector 100. The electrical connector 100 includes an insulating body 1, a plurality of conductive terminals 2 fixed to the insulating body, and the conductive terminals 2 For the convenience of description, the connected cable 3 will be described as the front end of the electrical connector 100 when the electrical connector 100 is introduced below, and the other end opposite to the docking end as the rear end.

Please refer to the first to third figures, as well as the sixth to eighth figures, the insulating body 1 has a base 11, a butt portion 12 extending forward from the base 11, and the insulating body in the front-back direction 1 a plurality of terminal slots 13 penetrated, the mating portion 12 has a mating space 120 opened forwardly, the mating space 120 is located on the front side of the insulating body 1 and communicates with the terminal slot 13 front and back, each of the terminal slots 13 along the front and back The direction penetrates the aforementioned insulating body 1.

In addition, the insulating body 1 further has a plurality of elastic walls 14 corresponding to the terminal slots 13, and each elastic wall 14 extends forward to make its front end a free end, thereby ensuring that the conductive terminal 2 can be smoothly inserted The corresponding terminal groove 13 can also be held by the conductive terminal 2 through its front end. Specifically, each elastic wall 14 has a protruding portion 141 protruding toward the inside of the corresponding terminal groove 13 and a tongue portion 142 located on the front side of the protruding portion 141, and the bottom surface of the elastic wall 14 is inclined forward and upward The tongue 142 is connected to the bottom of the protrusion 141.

In this embodiment, each of the aforementioned terminal slots 13 has a pair of slots 131 recessed on both sides in the lateral direction thereof, the pair of slots 131 have openings facing each other, and each slot 131 extends in the front-rear direction In this embodiment, the bottom surface of the slot 131 is higher than the highest position of the elastic wall 14, and the slot 131 does not extend forward beyond the front end surface of the protrusion 141.

The insulating body 1 further has a plurality of limit portions 15 corresponding to the terminal slots 13, the limit portions 15 protrude downward into the corresponding terminal slots 13, and the limit portions 15 correspond to the terminal slots 13 Settings.

Further, the limiting portion 15 has a limiting surface 151 and a guide surface 152 opposite to the front and rear sides. In this embodiment, each of the limiting portion 15 is formed from the top wall of the terminal groove 13. The lower protrusion is formed and extends into the aforementioned terminal groove 13.

The aforementioned insulating body 1 further has a plurality of stop blocks 16 disposed inside thereof, and each of the aforementioned stop blocks 16 extends in a lateral direction so that both ends thereof are respectively connected to two side walls defining corresponding terminal grooves 13 from the aforementioned insulating body 1 The front end looks backwards, and each of the aforementioned stop blocks 16 divides the front end opening of the corresponding terminal groove 13 into upper and lower parts. In addition, each of the stop blocks 16 has a stop surface 161 located at the rear side thereof and extending obliquely, and the angle between the stop surface 161 and the top surface of the stop block 16 is an obtuse angle. In the height direction, each elastic wall 14 is located below the corresponding stopper 16.

Referring to the third to eighth figures, the conductive terminals 2 are fixed in the corresponding terminal grooves 13 of the insulating body 1, and each of the conductive terminals 2 has a contact portion 21 that protrudes forward in the docking space 120 , A holding portion 23 fixed to the insulating body 1 and a crimping portion 24 connected to the cable 3, the holding portion 23 has an elastic clamping arm 231 on the first side and a resisting wall 232 on the second side, The free end of the clamping arm 231 resists the limiting portion in the insulating body 1, and the resisting wall 232 resists the elastic wall 14.

Specifically, in this embodiment, the first side and the second side are arranged oppositely, that is, the clamping arm 231 and the resisting wall 232 are arranged oppositely on both sides of the conductive terminal 2, more specifically, the clamping The arm 231 and the blocking wall 232 are oppositely disposed on both sides of the conductive terminal 2 in the height direction or the lateral direction; in other embodiments, the holding arm 231 and the blocking wall 232 may also be disposed on the phase of the conductive terminal 2 On both sides.

In the present creation, the conductive terminal 2 is inserted into the terminal groove 13 from back to front, the holding portion 23 includes a top plate 233 on the upper side of the resisting wall 232, and the holding arm 231 is bent from the top plate 233 to form The rear end is a free end. The blocking wall 232 is located below the conductive terminal 2 and extends horizontally as a whole.

The holding portion 23 of the conductive terminal 2 further includes a pair of side plates 234 connecting the top plate 233 and the resisting wall 232, and a pair of fins 235 extending outwardly from the corresponding side plates 234, respectively, and the pair of fins 235 Reverse stretch setting. Further, in the front-rear direction, the fin 235 is located on the rear side of the resisting wall 232.

Each of the conductive terminals 2 further has a flange portion 236 formed by being folded upward from the top plate 233. The flange portion 236 extends in the front-rear direction and is located on one side of the holding arm 231 in the lateral direction to prevent the conductive terminal 2 In the process of transportation or picking up, they resist each other and the resulting extrusion deformation.

In this embodiment, the contact portion 21 includes a first contact portion 211 and a second contact portion 212 stacked in the height direction. The second contact portion 212 is formed by bending the first contact portion 211 twice, that is, , A pair of connecting portions 213 are formed by bending downward from both sides of the first contact portion 211 in the lateral direction, and the second contact portion 212 is formed by bending from at least one of the connecting portions 213 and is in contact with the first contact portion 211 parallel.

In this embodiment, there is a gap between the first contact portion 211 and the second contact portion 212 in the height direction, and the first contact portion 211 and the second contact portion 212 both have a flat sheet structure, and the aforementioned The second contact portion 212 has a pair of contact pieces 2121 that extend toward each other, and the aforementioned pair of contact pieces 2121 are coplanar.

Each of the conductive terminals 2 further has a stopper portion 25 between the contact portion 21 and the holding portion 23, the front end of the stopper portion 25 is connected to the contact portion 21, and the rear end is adjacent to the front end of the resisting wall 232 And the stopper portion 25 extends obliquely so that the distance from the rear end to the top plate 233 is greater than the distance from the front end to the top plate 233.

Further, in the present embodiment, each of the conductive terminals 2 has a pair of stop portions 25 extending backward and downward integrally from the pair of contact pieces 2121, and the pair of stop portions 25 are coplanar Moreover, the distance between the two is set at a certain distance, and the distance between the pair of stoppers 25 gradually increases from front to back.

When the conductive terminal 2 is inserted into the insulating body 1 from the front to the back, the clamping arm 231 moves forward under the guidance of the guide surface 152 and passes the limit portion 15; when the conductive terminal 2 is inserted After the inside of the insulating body 1, the free end of the clamping arm 231 abuts the limiting surface 151 of the front end of the limiting portion 15 backward, and the blocking wall 232 is located on the upper side of the tongue 142 and abuts on the front side of the protruding portion 141 A pair of fins 235 of each of the aforementioned conductive terminals 2 are housed and limited to the corresponding slots 131 on both sides of the corresponding terminal slot 13 to guide and straighten the aforementioned conductive terminals 2 and ensure the parallelism of the conductive terminals 2, the aforementioned insulating body The corresponding stop block 16 in 1 is located on the front side of the stopper 25 and uses the stopper surface 161 to resist the stopper 25.

The holding portion 23 of the creative electrical connector 100 has an elastic holding arm 231 on the first side and a resisting wall 232 on the second side, the free end of the holding arm 231 and the limiting portion 15 in the insulating body 1 In opposition, the resisting wall 232 resists the elastic wall 14 in the insulating body 1 so that the conductive terminals 2 are positioned with different structures on both sides to enhance the retention of the conductive terminals 2 in the insulating body 1.

In particular, it should be pointed out that for those of ordinary skill in the art, the equivalent changes made to this creation under the teaching of this creation should still be included in the scope claimed by the patent application of this creation.

100: electrical connector 1: Insulation body 11: base 12: Docking Department 120: docking space 13: Terminal slot 131: Slot 14: Elastic wall 141: protrusion 142: tongue 15: Limit part 151: Limit surface 152: Guide surface 16: Stop block 161: Stop surface 2: conductive terminal 21: Contact 211: The first contact 212: Second contact 2121: contact sheet 213: Connection 23: Holding Department 231: Card arm 232: resist wall 233: top plate 234: side panel 235: Wing 236: Cuff 24: Crimp section 25: Stop 3: cable

The first picture is a three-dimensional assembly drawing of the original electrical connector. The second figure is a front view of the electrical connector shown in 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 perspective view of the conductive terminals of the electrical connector shown in the third figure. The fifth diagram is another view of the conductive terminal shown in the fourth diagram. The sixth figure is a schematic cross-sectional view of the electrical connector shown in the first figure after the cable and some conductive terminals are removed. The seventh figure is an enlarged schematic view of the circle in the sixth figure. The eighth figure is a schematic cross-sectional view of the electrical connector shown in the first figure.

11: base

131: Slot

141: protrusion

142: tongue

151: Limit surface

152: Guide surface

16: Stop block

161: Stop surface

211: The first contact

212: Second contact

231: Card arm

232: resist wall

235: Wing

25: Stop

Claims (10)

An electrical connector includes an insulating body and a plurality of conductive terminals. The insulating body has a docking space on the front side and a plurality of terminal slots communicating with the docking space. The terminal slot penetrates the insulating body in the front-rear direction. The conductive The terminal is fixed in a corresponding terminal slot, each of the conductive terminals has a contact portion protruding forward in the docking space and a holding portion fixed with the insulating body, wherein the holding portion has an elastic card on the first side A holding arm and a resisting wall located on the second side, the free end of the retaining arm resists the limiting portion in the insulating body, the insulating body has a plurality of elastic walls corresponding to the terminal slots, and the resisting wall resists To the aforementioned elastic wall. The electrical connector as described in item 1 of the patent application range, wherein the conductive terminal is inserted into the terminal groove from the front to the back, the holding portion includes a top plate on the upper side of the resisting wall, and the clamping arm is bent from the top plate Form and make its rear end a free end. The electrical connector as described in item 2 of the patent application range, wherein the limiting portion is provided corresponding to the terminal slot and protrudes downward into the corresponding terminal slot, and the free end of the clamping arm abuts the limit The front face of the position. The electrical connector as described in Item 2 of the patent application range, wherein each of the elastic walls has a protrusion protruding toward the inside of the corresponding terminal groove and a tongue portion located on the front side of the protrusion portion, and the blocking wall is located on the tongue The upper side of the part and abut against the front side of the aforementioned protrusion. The electrical connector as described in item 2 of the patent application scope, wherein the conductive terminal further has a pair of side plates connecting the top plate and the resisting wall, and a pair of fins extending outwardly from the corresponding side plates, respectively, A pair of wings extend in opposite directions. The electrical connector as described in item 5 of the patent application range, wherein in the front-rear direction, the fin is located behind the blocking wall. The electrical connector as described in item 6 of the patent application range, wherein each of the aforementioned terminal slots has a pair of slots located on both sides in a lateral direction thereof to receive corresponding fins. The electrical connector as described in item 2 of the patent application scope, wherein each of the conductive terminals further has a flange portion formed by folding upward from the top plate, the flange portion extends in the front-rear direction and is located in the lateral direction of the holding arm One side of the direction. The electrical connector as described in item 2 of the patent application scope, wherein the contact portion includes a first contact portion and a second contact portion stacked in a height direction, and the first contact portion and the second contact portion are both in a sheet shape, Furthermore, the aforementioned second contact portion has a pair of contact pieces extending toward each other. The electrical connector as described in item 2 of the patent application scope, wherein each of the conductive terminals further has a stop portion between the contact portion and the holding portion, and a front end of the stop portion is connected to the contact portion and rear The end is adjacent to the front end of the resisting wall, and the stop portion extends obliquely so that the distance from the rear end to the top plate is greater than the distance from the front end to the top plate, and the corresponding stop block in the insulating body is before the stop portion Resist it from the side.

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