CN201570532U - battery connector - Google Patents

Abstract

The utility model discloses a battery connector, it includes insulator, a plurality of conductive terminal and support piece. The insulating body is provided with a matching surface which is in butt joint with an external battery and an installation surface which is installed on an external circuit board, the matching surface is provided with a plurality of terminal grooves, and the terminal grooves are opened on the installation surface. The conductive terminals are correspondingly accommodated in the terminal grooves, and each conductive terminal is provided with a contact part protruding out of the matching surface and a welding part protruding out of the mounting surface. The supporting piece crosses the insulating body and crosses the insulating body, and two tail ends of the supporting piece are respectively provided with a fixing part which can be fixed on an external circuit board. The utility model discloses thereby battery connector structural strength is big, be connected firmly with the circuit board and make signal of telecommunication transmission stable.

Description

battery connector

technical field

The utility model relates to a connector, in particular to a battery connector.

Background technique

In consumer electronic products such as notebook computers and digital cameras, it is usually necessary to accommodate a power supply battery to provide the working power required by the electronic product. Correspondingly, a circuit board is also provided in the electronic product and electrically connected to the circuit board. battery connector. When in use, the power supply battery is inserted into the consumer electronic product and electrically connected with the battery connector, thereby providing working power to the electronic product.

Please refer to FIG. 1 , a common battery connector 2 suitable for general consumer electronic products includes an insulating body 22 and conductive terminals 23 . Wherein, the insulating body 22 is arranged above a circuit board 24 inside the electronic product. The conductive terminal 23 has a contact portion 26 and a welding portion 27. The contact portion 26 protrudes forward from the front end of the insulating body 22 and abuts against the external battery 25. The welding portion 27 protrudes backward from the bottom of the rear end of the insulating body 22 and Solder with this circuit board 24 downward.

However, since the above-mentioned existing battery connector 2 is only directly welded on the surface of the circuit board 24 arranged under the battery connector 2 through the welding portion 27 of the conductive terminal 23 to realize electrical connection, when the battery 25 is backward When the contact portion 26 of the conductive terminal 23 is horizontally opposed, the existing battery connector 2 tends to have a relative horizontal displacement relative to the circuit board 24, thereby causing the soldering portion 27 of the conductive terminal 23 to loosen at the soldering position with the circuit board 24 Or offset, thereby causing an unstable electrical connection between the battery connector 2 and the circuit board 24, affecting the stable transmission of electrical signals. The above situation is also easy to occur when the consumer electronic product is impacted by external force.

In another improved battery connector, the welding portion of the conductive terminal extends downward from the insulating body and passes through the circuit board to be welded thereto. Although the stability of this arrangement is stronger than that of the above-mentioned battery connector 2, because the battery connector is only connected to the external circuit board through the welding part of the conductive terminal, when the battery connector assembled on the circuit board is subjected to battery pressure or When other external forces are applied, the conductive terminals will be deformed due to excessive bearing force, or the entire battery connector and the circuit board will become loose, which will affect the stable transmission of electrical signals.

Utility model content

The purpose of the utility model is to provide a battery connector with high structural strength and stable connection with the circuit board to make the transmission of electric signals stable.

In order to achieve the above purpose, the battery connector provided by the utility model includes an insulating body, a plurality of conductive terminals and a supporting member. The insulating body has a mating surface connected to an external battery and a mounting surface mounted on an external circuit board. The mating surface is provided with a plurality of terminal grooves, and the terminal grooves are opened on the mounting surface. The plurality of conductive terminals are correspondingly accommodated in the plurality of terminal grooves, and each of the conductive terminals has a contact portion protruding from the mating surface and a welding portion protruding from the mounting surface. The supporting piece straddles the insulating body and straddles on the insulating body, and two ends of the supporting piece are respectively provided with fixing parts which can be fixed to an external circuit board.

As mentioned above, the supporting part of the battery connector of the present invention straddles the insulating body and straddles on the insulating body, and the two ends of the supporting part are respectively provided with fixing parts which can be fixed to the external circuit board. When the battery connector of the present invention is assembled on the circuit board, it can be stabilized by fixing the support member together with the insulating body on the circuit board, and welding the welding part of the conductive terminal on the circuit board, so that the battery connector can be assembled on the circuit board It is more stable, and the electrical connection between the battery connector and the circuit board is good, and the electrical signal transmission is stable.

Description of drawings

FIG. 1 is a perspective view of a conventional battery connector.

Fig. 2 is a perspective view of a preferred embodiment of the battery connector of the present invention.

FIG. 3 is an exploded perspective view of the battery connector shown in FIG. 2 .

FIG. 4 is a front view of the battery connector shown in FIG. 2 .

Fig. 5 is a cross-sectional view of the battery connector shown in Fig. 4 along line A-A.

FIG. 6 is a front view of the insulating body of the battery connector shown in FIG. 2 .

Fig. 7 is a cross-sectional view of the battery connector shown in Fig. 6 along line B-B.

The reference signs in the figure are explained as follows:

Battery connector 1 insulation body 10

Front surface 101 Rear surface 102

Upper surface 103 Lower surface 104

Left surface 105 Right surface 106

Terminal slot 110 Guard part 114

Fastening protrusion 121 Groove 130

First cavity 141 Second cavity 142

Card slot 145 Conductive terminal 30

Contact part 351 Welding part 353

The first fastening part 361 The second fastening part 362

Steps 364 Barbs 365

Support 50 Support body 571

First cantilever 572 Second cantilever 573

Fastening hole 574 Fixed part 576

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 accompanying drawings.

Please refer to Fig. 2 and Fig. 3, the battery connector 1 of the present invention includes an insulating body 10, a plurality of conductive terminals 30 and a support member 50. straddles the surface of the insulating body 10 . When the battery connector 1 is assembled on the circuit board, the welding portion 353 of the conductive terminal 30 is welded on the circuit board, and at the same time, the support member 50 together with the insulating body 10 is fixed on the circuit board. Specific instructions will be described in detail below.

Wherein, the insulating body 10 is substantially in the shape of a rectangular parallelepiped extending laterally, and has a front surface 101 and a rear surface 102 , an upper surface 103 and a lower surface 104 , a left surface 105 and a right surface 106 . Here, the front surface 101 is a mating surface to be connected with an external battery, and the lower surface 104 is a mounting surface to be mounted on an external circuit board. From the front surface 101 to the rear surface 102, a number of terminal grooves 110 extending longitudinally and penetrating the lower surface 104 are arranged in parallel. Specifically, in this embodiment, the number of terminal grooves 110 is six, and the corresponding conductive terminals 30 are also for 6. Preferably, on the upper surface 103 , the left surface 105 and the right surface 106 , there are grooves 130 connected to each other and corresponding to the support member 50 , and the support member 50 is embedded in the groove 130 . The grooves 130 on the left surface 105 and the right surface 106 are respectively provided with buckling protrusions 121 , specifically, the buckling protrusions 121 are convex slope structures. As shown in the figure, the upper parts of the left and right sides of the front surface 101 of the insulating body 10 are respectively provided with a guard portion 114 extending forward.

Please refer to FIG. 7, each terminal groove 110 in the insulating body 10 includes a first cavity 141 and a second cavity 142 extending toward the rear surface 102, specifically, the two cavities 141, 142 are arranged up and down, Moreover, locking slots 145 are respectively provided on the inner wall and the lower side of the first cavity 141 .

As shown in FIGS. 2 , 3 , and 5 , each conductive terminal 30 is correspondingly accommodated in each terminal slot 110 , and has a contact portion 351 protruding from the front surface 101 and a soldering portion 353 protruding from the lower surface 104 . The contact portion 351 protrudes from the front surface 101 to electrically contact with an external battery for electric energy exchange. The soldering portion 353 is used for soldering and fixing with an external circuit board.

Preferably, referring to FIG. 2-5 and FIG. 7 , the conductive terminal 30 further includes a first engaging portion 361 and a second engaging portion that are engaged in the first cavity 141 and the second cavity 142 of the terminal groove 110 362. Specifically, the two fastening portions 361 , 362 are fastened with the two cavities 141 , 142 up and down, respectively. Moreover, barbs 365 are respectively provided on the upper and lower sides of the first fastening portion 361 to cooperate with the protrusions of the engaging grooves 145 on the first cavity 141 . When the conductive terminal 30 is accommodated in the terminal groove 110 of the insulating body 10, the first buckling portion 361 and the second buckling portion 362 are respectively fitted into the first cavity 141 and the second cavity 142, specifically, the second The two protruding barbs 365 on a fastening portion 361 respectively cooperate with the two engaging grooves 145 on the first cavity 141 to enhance the fixing effect. The first buckle part 361 is used as the main fixed buckle to fit the insulating body 10 above, and the second buckle part 362 is used as an auxiliary positioning buckle to fit the insulating body 10 below. This double buckle design makes it conductive The pressure bearing capacity of the terminal 30 is enhanced. When the conductive terminal 30 is pressed from top to bottom, it has a strong buckle with the insulating body 10 , and the structure is stronger. In addition, it can be seen from FIG. 5 that when the conductive terminal 30 is accommodated in the terminal groove 110, the terminal groove 110 has a step 364. 10 Fits tightly.

Please continue to refer to FIG. 2 and FIG. 3 , the support member 50 is fitted into the groove 130 of the insulating housing 10 , and two ends of the support member 50 are respectively provided with fixing portions 576 fixed to the circuit board. Specifically, the support member 50 is substantially U-shaped, and includes a support body 571 extending transversely, a first cantilever 572 extending longitudinally and connected to the support body from both ends of the support body 571 and extending longitudinally. Cantilever 573. The fixing portion 576 is bent horizontally outward from ends of the first and second cantilever arms 572 , 573 to be flush with the lower surface 104 of the insulating housing 10 . The support body 571 , the first cantilever 572 and the second cantilever 573 of the support member 50 are respectively embedded in the grooves 130 on the upper surface 103 , the left surface 105 and the right surface 106 of the insulating housing 10 respectively. Specifically, the first cantilever 572 and the second cantilever 573 respectively define a buckling hole 574 corresponding to the buckling protrusion 121 on the groove 130 . When the support member 50 is fitted into the groove 130, the snap-fit protrusions 121 raised on the left and right surfaces 105, 106 of the insulating body 10 engage with the snap-fit holes 574 of the support member 50. At this time, as shown in the figure , the support member 50 and the insulating body 10 are thereby fixed together. When assembling the battery connector 1 on the circuit board, the fixing part 576 of the support member 50 is fixed and welded on the circuit board. It can be seen from FIG. 2 that the fixing part 576 is just flush with the lower surface 104 of the insulating body 10 , for easy fixing with external circuit board.

It can be seen from the above that the overall structure of the battery connector 1 of the present invention is assembled and assembled on the circuit board in this way: after the conductive terminal 30 is accommodated in the terminal groove 110 of the insulating body 10, the first buckling part arranged up and down 361 and the second fastening part 362 are respectively fastened in the first cavity 141 and the second cavity 142 in the terminal groove 110, and then the supporting member 50 is connected to the insulation by the function of the fastening protrusion 121 and the fastening hole 574 The body 10 is fixed together, and the internal assembly of the battery connector 1 is completed at this time; when the battery connector 1 is assembled on the circuit board, the welding portion 353 protruding from the lower surface 104 of the insulating body 10 and the support member 50 are respectively The fixing portions 576 at both ends are welded and fixed on the circuit board, that is, the process of assembling the battery connector 1 on the circuit board is completed.

As mentioned above, after the battery connector 1 of the present invention is assembled on the circuit board, in addition to being welded and fixed to the circuit board by the welding part 353, on the other hand, it uses the support member 50 to be fixedly connected to the insulating body 10 and then connected to the circuit board. , so that the structure of the product after being assembled on the circuit board is more stable, so that the electrical connection between the battery connector 1 and the circuit board is good, and the transmission of electric signals is stable. When the battery is in contact with the battery connector 1 of the present invention, the battery exerts a force from top to bottom on the conductive terminal 30, and because the conductive terminal 30 has a double buckle design, it is firmly buckled with the insulating body 10, thereby enhancing The pressure bearing capacity of the conductive terminal 30 does not cause buckling and loosening.

Claims (9)

1. a battery connector is characterized in that, comprising:

Insulating body, described insulating body have the mating surface that docks with external cell and are installed on the installed surface of the external circuit board, and described mating surface offers the plurality of terminals groove, and described terminal groove is opened on described installed surface;

Plurality of conductive terminals, described plurality of conductive terminals correspondence are contained in the described plurality of terminals groove, and each described conducting terminal has contact site that convexedly stretches in described mating surface and the weld part that convexedly stretches in described installed surface;

Strutting piece, described strutting piece are across described insulating body and on described insulating body, and two ends of described strutting piece are respectively equipped with the fixed part that can be fixed in the external circuit board.

2. battery connector as claimed in claim 1 is characterized in that: the position that contacts with described strutting piece on described insulating body surface is provided with groove, and described strutting piece is embedded in the described groove.

3. battery connector as claimed in claim 2, it is characterized in that: described strutting piece comprises the supportive body of horizontal expansion and from first, second cantilever of described supportive body two ends bendings longitudinal extension, and described fixed part extends and concordant with the installed surface of described insulating body from the terminal outwards bending of described first, second cantilever respectively.

4. battery connector as claimed in claim 3, it is characterized in that: described insulating body has front surface and rear surface, upper surface and lower surface, left surface and the right surface that is oppositely arranged, described front surface is described mating surface, described lower surface is described installed surface, described terminal groove extends to described rear surface from described front surface, described upper surface, left surface and right surface are provided with the groove of connection, and described strutting piece is embedded in the described groove.

5. as claim 2 or 4 described battery connectors, it is characterized in that: have the projection of fastening in the described groove, corresponding described fastening projection is provided with fastening hole on the described strutting piece, and described fastening hole and described fastening projection are interlocked.

6. battery connector as claimed in claim 1 is characterized in that: described insulating body and described strutting piece are provided with the fastening projection and the fastening hole of mutual fastening.

7. battery connector as claimed in claim 4 is characterized in that: described terminal groove also has first, second cavity that extends to described rear surface, and described conducting terminal also comprises first, second buckling parts that is fastened in described first, second cavity.

8. battery connector as claimed in claim 7 is characterized in that the inwall of described first cavity is provided with draw-in groove, the corresponding hangnail that matches with described draw-in groove that is provided with on described first buckling parts.

9. battery connector as claimed in claim 4 is characterized in that, the top, the left and right sides of the front surface of described insulating body is respectively equipped with the bib portion of extending forward.

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