CN2901614Y - Battery connector - Google Patents

Abstract

The utility model discloses a battery connector, include insulator and inlay a plurality of conductive terminal of solid in insulator. Each conductive terminal comprises a supporting part which is transversely arranged, the front end of the supporting part is bent upwards to form a pressing part, the rear end of the supporting part is bent forwards to form a first bent part, the first bent part extends forwards to form an elastic part, the elastic part is bent upwards to form an inserting part, the upper end of the inserting part is bent to form a second bent part, and the tail end of the second bent part extends to form a guiding and connecting part. The supporting part and the pressing part protrude downwards out of the bottom end face of the insulating body and are always elastically abutted with the external circuit board. Therefore, the utility model discloses battery connector keeps the elasticity butt through supporting part and pressing part all the time with external circuit board to ensure the stable transmission of signal, and can adjust the equipment height in the certain limit.

Description

battery connector

Technical field

The utility model relates to a battery connector, in particular to a battery connector which ensures the stable transmission of signals and can adjust the assembly height within a certain range.

Background technique

With the development of electronic technology, electronic products are becoming more and more popular, and battery connectors, as connectors for energy devices required to assemble electronic products, are becoming more and more widely used. However, since the energy device needs to be taken out and put in frequently, the battery connector is plugged frequently, which affects the service life of the battery connector. Therefore, the battery connector needs to have a longer service life to meet the needs of frequent plugging.

Chinese Patent No. 99227806.6 published on June 28, 2000 discloses a battery connector. As shown in FIG. The inner surface of 12 abuts against the inner wall of the rear side wall 23 of the body seat 2, and the battery connector is welded and positioned above the circuit board through the welding portion 11 of the terminal 1. When the third bending surface 142 of the contact portion 14 of the terminal 1 is elastically pressed in use, the stress borne by the terminal 1 can be shared by the first curved surface 131 and the second curved surface 132 of the terminal 1 at the same time, so that The terminal 1 has better strength, thereby prolonging the service life.

Since the above prior art battery connector is assembled with the circuit board, the welding part 11 of the terminal 1 is welded and positioned above the circuit board. When the battery connector is used, the welding part 11 is squeezed by frequent insertion force. As a result, the welding portion 11 and the circuit board are easily loosened, and the electrical connection is unstable, thereby affecting the transmission of electrical signals. In addition, when the battery connector is assembled, the assembly height of the battery connector cannot be adjusted effectively according to the assembly requirements, which is inconvenient for the assembly operation.

Utility model content

The purpose of the utility model is to provide a battery connector which can ensure the stable transmission of signals and can adjust the assembly height within a certain range.

To achieve the above purpose, the battery connector of the present invention includes an insulating body, in which several terminal accommodation channels are opened, the front end of the terminal accommodation channel runs through the front end face of the insulating body and communicates with the outside, and the lower end of the terminal accommodation channel runs through the bottom end surface of the insulating body And communicate with the outside. The terminal accommodating channels accommodate the plurality of conductive terminals. Each conductive terminal includes a supporting portion arranged horizontally, the front end of the supporting portion is bent upward to form a pressing portion, the rear end of the supporting portion is bent forward to form a first bending portion, and the first bending portion extends forward to form an elastic portion. The upper end of the insertion part is bent upwards to form a plug-in part, the plug-in part is embedded in the terminal accommodating channel, the upper end of the plug-in part is bent to form a second bent part, and the second bent part is elastically accommodated in the terminal accommodating channel Inside, the end of the second bending part is extended to form a connecting part, and the connecting part protrudes from the front end surface of the insulating body. The supporting portion and the pressing portion protrude downwards out of the terminal accommodating channel and expose the bottom surface of the insulating body.

The battery connector of the utility model keeps the supporting part and the pressing part in elastic contact with the external circuit board all the time, so that the battery connector of the utility model can ensure stable transmission of signals, and the assembly height can be adjusted within a certain range.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.

Fig. 1 is a perspective view of the battery connector of the present invention.

Fig. 2 is a three-dimensional exploded view of the battery connector of the present invention.

Fig. 3 is a sectional view of the battery connector of the present invention.

Fig. 4 is a cross-sectional view of a prior art battery connector.

The reference numerals of each element in the figure are explained as follows:

100. battery connector, 10. insulating housing, 11. top plate, 111. through hole, 12. rear wall, 13. side wall, 14. partition, 15. terminal accommodating channel, 151. stop wall, 152 .Resistance wall, 153. Accommodating groove, 20. Conductive terminal, 21. Supporting part, 22. Pressing part, 23. First bending part, 24. Elastic part, 25. Inserting part, 26. Second bending Folding part, 27. connecting part, 28. leading part, 29. contact part, 291. straight part, 292. lug.

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and drawings.

Please refer to FIG. 1 , the battery connector 100 of the present invention includes an insulating body 10 and a plurality of conductive terminals 20 accommodated in the insulating body 10 .

Please refer to FIG. 2 and FIG. 3 , the insulating body 10 includes a top plate 11 , and the top plate 11 defines a plurality of through holes 111 vertically downward. The rear end of the top plate 11 extends vertically downwards to form a rear wall 12 , and both sides of the top plate 11 extend vertically downwards to form two side walls 13 , so that the back wall 12 and the two side walls 13 enclose the inner space of the insulating body 10 . Between the two side walls 13 of the top plate 11 vertically extend a plurality of partitions 14 downward. The partitions 14 between the two side walls 13 divide the inner space of the insulating body 10 into several substantially rectangular terminal accommodating passages 15 . The front end of the terminal accommodating channel 15 passes through the front end surface of the insulating body 10 and communicates with the outside, the lower end of the terminal accommodating channel 15 penetrates the bottom end surface of the insulating body 10 and communicates with the outside, and each through hole 111 is connected with each corresponding terminal accommodating channel 15 connected. The width of each terminal accommodating channel 15 at the front surface of the insulating body 10 is smaller than the width inside the terminal accommodating channel 15 . A stopper wall 151 is formed on the inner side of the rear wall behind each terminal accommodating channel 15, the upper end of the stopper wall 151 is inclined backward to form a blocking wall 152, and the lower end of the stopper wall 151 is provided with a receiving groove 153 horizontally backward, and the lower end of the receiving groove 153 is It penetrates through the bottom end surface of the insulating body 10 and communicates with the outside.

Each conductive terminal 20 includes a supporting portion 21 arranged obliquely in the transverse direction. The front end of the supporting portion 21 is bent upward to form a pressing portion 22 . The lower end surface of the pressing portion 22 is curved to increase the electrical contact area. The rear end of the support part 21 is bent forward to form a first bending part 23, the first bending part 23 extends forward to form an elastic part 24, and the end of the elastic part 24 extends vertically upwards to form an insertion part 25. After being inclined backward at a certain angle, the end is bent forward in a large arc to form a second bending part 26, and the second bending part 26 extends forward to form a connecting part 27, and the connecting part 27 extends downwards to form a connecting part. part 28 , the front end of the connecting part 28 is bent backward to form a contact part 29 , the contact part 29 extends horizontally backward to form a straight part 291 , and both sides of the end of the straight part 291 protrude outward to form lugs 292 .

Please refer to FIG. 3 , the conductive terminal 20 is placed in the terminal accommodating channel 15 of the insulating body 10, the second bending portion 26 is elastically accommodated therein, and the contact portion 29 protrudes forward to expose the front end surface of the insulating body 10 to communicate with the outside. The batteries are in contact with each other, and the lugs 292 on both sides of each conductive terminal 20 are located in the terminal accommodating channel 15 and respectively abut against the inner side of the front wall of the terminal accommodating channel 15 . The connecting portion 27 of the conductive terminal 20 presses upward against the inner wall of the top plate 11 , the insertion portion 25 is embedded in the terminal accommodating channel 15 , and leans backward against the stop wall 151 , the elastic portion 24 and the first bending portion 23 Accommodated in the receiving groove 153, and the elastic part 24 is pressed against the top wall of the receiving groove 153 upwards, the supporting part 21 and the pressing part 22 obliquely protrude from the lower end of the terminal receiving channel 15 to protrude from the bottom surface of the insulating body 10, and are in contact with the external circuit board. electrical connection.

When the battery connector 100 of the present invention is assembled, the pressing part 22 of the conductive terminal 20 protrudes from the lower end of the terminal accommodating channel 15 and elastically abuts against the external circuit board, that is, the pressing part 22 and the circuit board are in the form of shrapnel. Elastic abutting contact, the lower end surface of the pressing part 22 is an arc-shaped bending surface, thereby increasing the electrical contact area between the pressing part 22 and the circuit board, so as to achieve a stable and reliable electrical connection, and the pressing part 22 and the circuit board The elastic abutment of the board enables the assembly height of the battery connector 100 to be adjusted within a certain range to a required assembly height, and then the battery connector 100 is fixedly assembled with the circuit board.

When the battery connector 100 of the present invention is electrically plugged in with the battery, the contact portion 29 abuts against the external battery, and the conductive terminal 20 is deformed due to the force of extrusion by the external battery, and the extrusion effect on the conductive terminal 20 The stress on the stress concentration area A is relatively concentrated, and the stress on the conductive terminal 20 at the stress concentration area A is too large and unbalanced, which may shorten the service life of the conductive terminal 20 .

When the conductive terminal 20 of the battery connector 100 of the present invention is subjected to the extrusion force of the battery, the extrusion force is transmitted to the second bending part 26, and then the second bending part 26 bears the extrusion force. The portion 26 has a large arc of bending, so that the second bending portion 26 has a certain buffer against the squeeze force and gradually disperses the extrusion force, so that the force on the second bending portion 26 is relatively small. Balanced, and the second bending part 26 is inclined backward by the extrusion force and leans against the resistance part 152, and the resistance part 152 also pushes forward and reacts against the second bending part 26 to share the second bend The extrusion force on the folded portion 26.

To sum up, the battery connector 100 of the present invention adopts the method of elastic contact between the pressing part 22 and the external circuit board to assemble the battery connector 100 and the external circuit board, so that the battery connector 100 is assembled on the height of the circuit board. It can be adjusted to facilitate assembly, and the arc-shaped contact surface of the pressing portion 22 is always resiliently against the circuit board, so that the battery connector 100 maintains a stable electrical connection with the circuit board. In addition, the conductive terminal 20 is provided with a second bent portion 26 with a large arc bent in the stress concentration area A to share the stress on the conductive terminal 20 , thereby prolonging the service life of the conductive terminal 20 .

Claims (8)

1. A battery connector, comprising: An insulating body, a number of terminal accommodating channels are opened in the insulating body, and the front end of the terminal accommodating channel runs through the front face of the insulating body and communicates with the outside; A plurality of conductive terminals, each conductive terminal includes a plug-in part, the plug-in part is embedded in the terminal accommodating channel, the upper end of the plug-in part is bent to form a second bent part, and the second bent part is elastically accommodated in the In the terminal accommodating channel, the end of the second bending part is extended to form a connecting part, and the connecting part protrudes from the front end surface of the insulating body; It is characterized by: The lower end of the terminal accommodating channel runs through the bottom end surface of the insulating body and communicates with the outside. Each of the conductive terminals also includes a support part arranged laterally. The front end of the support part is bent upward to form a pressing part, and the rear end of the support part is bent forward. A first bending portion is formed, the first bending portion extends forward to form an elastic portion, the elastic portion is bent upwards to form the insertion portion, the support portion and the pressing portion protrude downward from the terminal accommodating channel and expose Bottom face of the insulating body. 2 . The battery connector according to claim 1 , wherein a stop wall is formed inside the rear wall of the terminal accommodating channel of the insulating body, and the plug-in portion of the conductive terminal abuts against the stop wall. 3 . 3. The battery connector according to claim 2, characterized in that: the lower end of the stop wall of the insulating body is provided with a receiving groove backward, and the lower end of the receiving groove penetrates the bottom end surface of the insulating body and communicates with the outside, and the conductive terminal The first bending part and the elastic part are accommodated in the containing groove, and the elastic part upwardly abuts against the top wall of the containing groove. 4. The battery connector according to claim 2, wherein the insertion part of the conductive terminal is arranged vertically, and the upper end of the insertion part is first inclined backward and then bent forward to form the second bending part The upper end of the stop wall of the insulating body is inclined backward to form a blocking wall, and the inclined upper end of the plug-in part can back against the blocking wall. 5. The battery connector according to claim 1, wherein the front end of the conducting portion of the conductive terminal is bent backward to form a contact portion. 6. The battery connector according to claim 5, wherein the contact portion extends backward to form a straight portion, and both sides of the straight portion protrude outward to form lugs, and the lugs of the conductive terminals Respectively against the inner side of the front wall on both sides of the accommodating channel of the top terminal. 7. The battery connector as claimed in claim 1, wherein the lower surface of the pressing portion of the conductive terminal is an arc-shaped bent surface. 8 . The battery connector according to claim 1 , wherein the second bent portion of the conductive terminal extends forward to form a connecting portion, and the connecting portion extends obliquely downward to form the conducting portion.

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