CN216213754U

CN216213754U - Battery face lid

Info

Publication number: CN216213754U
Application number: CN202122403791.0U
Authority: CN
Inventors: 戈志敏; 肖海燕; 顾勇平; 明应时; 刘晓伟; 黄利平; 刘祥郡; 董水金; 李阳
Original assignee: Xinyu Ganfeng Electronics Co Ltd
Current assignee: Xinyu Ganfeng Electronics Co Ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-04-05
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to the technical field of batteries, in particular to a battery face cover which comprises a cover body, a welding disc component, a connecting piece component, a fixing component and a sealing component, wherein the connecting piece component comprises a first end part and a second end part, the fixing component is arranged on one side of the second end part, the cover body is arranged on one side of the fixing component close to the second end part, a welding disc through hole and a liquid injection hole are formed in the cover body, the welding disc component is positioned in the welding disc through hole, the sealing component is arranged on the liquid injection hole and used for sealing the liquid injection hole, the connecting piece component is sealed between the fixing component and the cover body in a pre-pressing mode, and then the fixing component and the cover body are welded for secondary sealing, so that the sealing performance of the battery face cover is improved, the safety of the battery is improved, and the liquid leakage risk is reduced.

Description

Battery face lid

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery face cover.

Background

With the continuous development of wireless technology, the original cable transmission mode is gradually replaced by wireless earphones. The wireless headset communicates with the terminal through a wireless communication protocol (e.g. bluetooth), and has the characteristics of wireless connection and convenient use compared with a wired headset, wherein a true wireless interconnection stereo bluetooth headset which is recently appeared at present is a typical one of the wireless headsets.

However, the sealing performance of the battery face cover structure in the existing wireless earphone is not high, and the risk of electrolyte leakage is high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides the battery face cover, the connecting piece assembly is sealed between the fixing part and the cover in a prepressing mode, and then the fixing part and the cover are welded for secondary sealing, so that the sealing performance of the battery face cover is improved, the safety of the battery is improved, and the liquid leakage risk is reduced.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a battery face cover which comprises a cover body, a pad part, a connecting piece assembly, a fixing part and a sealing part, wherein the connecting piece assembly comprises a first end part and a second end part, the pad part is positioned in a through hole of the cover body, a liquid injection hole is formed in the cover body, and the sealing part is positioned on the liquid injection hole and used for sealing the liquid injection hole.

Further, the second end of the connecting piece assembly is pre-pressed and sealed between the fixing part and the shell cover, the fixing part and the shell cover are fixedly connected in a welding mode, and the connecting piece assembly is an anode connecting part or a cathode connecting part.

Further, the pad component is secured to the second end of the connector assembly, the pad component being an anode pad or a cathode pad.

Further, the fixing member, the case cover, and the closing member are all made of metal.

Further, the connector assembly is an electric conductor with insulation on the outer surface.

Further, the first end of the connector assembly is stacked parallel to the cell roll core end face or cell roll core diameter using electrical conductor windings.

Further, the connector assembly does not include the second end portion, and the cell cathode is connected with the extended position of the first end portion.

The utility model has the beneficial effects that: the connecting piece assembly is sealed between the fixing part and the shell cover by prepressing, and then the fixing part and the shell cover are welded for secondary sealing, so that the sealing performance of the battery surface cover is improved, the battery safety is improved, and the leakage risk is reduced.

Drawings

Fig. 1 is a schematic structural view of a battery cover according to the present invention.

Wherein the figures include the following reference numerals: 303. a connector assembly (comprising 301, a first end part and 302, a second end part), 304, a pad part, 4, a fixing part, 5, a cover, 501, a pad through hole, 502, a liquid injection hole, 6 and a sealing part.

Detailed Description

The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which presently preferred embodiments of the utility model are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for completeness and fully convey the scope of the utility model to the skilled person.

As shown in fig. 1, a battery cover includes a connector assembly 303, a fixing member 4, a cover 5 and a sealing member 6, the connector assembly 303 (the connector assembly 303 includes a first end portion 301 and a second end portion 302) and a pad member 304, the fixing member 4 is disposed on one side of the second end portion 302; the fixing member 4 is provided with a case cover 5 on the side near the second end portion 302, the case cover 5 is provided with a pad passing hole 501 and a pour hole 502, the pad member 304 is positioned in the pad passing hole 501, the pour hole 502 is provided with a closing member 6, and the closing member 6 is used for closing the pour hole 502.

In one embodiment, the second end portion 302 may be pre-pressed between the fixing member 4 and the cover 5, and then the fixing member 4 and the cover 5 are fixed.

Further, the second end portion 302 is pre-pressed between the fixing member 4 and the case cover 5, and the fixing member 4 and the case cover 5 are connected in a sealing manner.

In one embodiment, the sealing connection of the fixing member 4 and the housing cover 5 may be welding, riveting, bonding, or the like, wherein the welding may be fusion welding, pressure welding, brazing, or the like, and particularly, the sealing connection of the fixing member 4 and the housing cover 5 is preferably welding, wherein the welding enables good sealing performance of the fixing member 4 and the housing cover 5 and high welding precision in precision welding for micro and small parts.

Further, a pad member 304 is fixed to the connector member 303.

In one embodiment, the pad component 304 may be attached to the cathode connection member by a smt attachment component or welded, and in particular, the welding may be manual welding.

Further, the pad part 304 is an anode or a cathode.

Further, the fixing member 4, the cover 5 and the closing member 6 are all made of metal.

In one embodiment, the fixing part 4, the cover 5 and the closing part 6 are made of conductive metal, and the conductive metal may be corrosion-resistant conductive metal such as stainless steel, or may be plastic coated with conductive metal, and the fixing part 4, the cover 5 and the closing part 6 coated with plastic coated with conductive metal can reduce the weight of the earphone and reduce the load of human ears.

In one embodiment, the presence of break in the internal circuitry of the electrode connector assembly 303 can improve battery safety.

In one embodiment, the battery adopts the pre-press welded battery cover of the present application, wherein the connecting member assembly 303 can stack the electric conductor winding in a manner parallel to the end surface of the winding core, or in a diameter direction, and the winding direction of the pole piece is consistent, thereby effectively balancing the magnetic field of the winding body, minimizing the magnetic field generated by the battery, eliminating the interference of the magnetic field to the host, avoiding the generation of noise, optimally stacking the sheet-shaped FPC coil, minimizing the space occupation rate, and if the battery does not need to reduce noise, also eliminating the first end portion 301, and connecting the cathode of the battery core with the extended position of the first end portion 301.

The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A battery face cover, characterized by:

the battery face cover comprises a cover (5), a pad component (304), a connecting piece component (303), a fixing component (4) and a sealing component (6), wherein the connecting piece component (303) comprises a first end part (301) and a second end part (302), the pad component (304) is positioned in a through hole (501) of the cover (5), a liquid injection hole (502) is formed in the cover (5), and the sealing component (6) is positioned on the liquid injection hole (502) and used for sealing the liquid injection hole (502).

2. A battery face cover according to claim 1, wherein:

the second end portion (302) of the connecting piece assembly (303) is sealed between the fixing part (4) and the shell cover (5) in a pre-pressing mode, the fixing part (4) and the shell cover (5) are fixedly connected in a welding mode, and the connecting piece assembly (303) is an anode connecting part or a cathode connecting part.

3. A battery face cover according to claim 1, wherein:

the pad member (304) is secured to the second end (302) of the connector assembly (303), the pad member (304) being either an anode pad or a cathode pad.

4. A battery face cover according to claim 1, wherein:

the fixing part (4), the shell cover (5) and the closing part (6) are all made of metal.

5. A battery face cover according to claim 1, wherein:

the connector assembly (303) is an electric conductor with insulation on the outer surface.

6. A battery face cover according to claim 1, wherein:

the first end (301) of the connector assembly (303) is stacked parallel to the cell core end face or cell core diameter using electrical conductor windings.

7. The battery face cover according to claim 6, wherein:

the connector assembly (303) does not comprise the second end portion (302), and a cell cathode is connected with the extended position of the first end portion (301).