CN214753936U

CN214753936U - Liquid leakage prevention battery

Info

Publication number: CN214753936U
Application number: CN202120232077.7U
Authority: CN
Inventors: 龚华
Original assignee: Sichuan Tenangwei New Energy Technology Co ltd
Current assignee: Sichuan Tenangwei New Energy Technology Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-11-16
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses a leakage-proof battery, including shell, buffering subassembly and battery body, the battery body sets up in the inside of shell, the buffering subassembly sets up in between shell and the battery body, the battery body with the shell coaxial arrangement, two terminal surfaces of shell are provided with the connecting plate respectively, both sides be provided with the spring on the connecting plate; install protective housing additional in battery body's outside, avoid when using battery body to receive collision or extrusion and lead to the battery weeping, when receiving the collision, battery body's lateral wall and protective sheath contact, an impact for slowing down the battery body side and receiving, the anodal terminal surface and the negative pole terminal surface of battery slow down the impact through annular blotter, when receiving the extrusion, the shell bears the pressure to pressure, further steel ring further bearing pressure through protective sheath outer wall, in order to avoid because the too big problem that leads to the inside battery body to appear the weeping of pressure.

Description

Liquid leakage prevention battery

Technical Field

The utility model relates to the technical field of batteries, specifically be leak protection liquid battery.

Background

A battery refers to a device that converts chemical energy into electrical energy in a portion of the space of a cup, tank, or other container or composite container that holds an electrolyte solution and metal electrodes to produce an electrical current. The utility model discloses a leak protection liquid lithium cell, which comprises a housin, the bottom of casing is equipped with the negative plate, the problem of weeping easily appears when using in ordinary battery, and patent application number is CN 201721207127.6's utility model discloses a leak protection liquid lithium cell, which comprises a housin, the bottom of casing is equipped with the negative plate, the junction of casing and negative plate is equipped with first sealing washer, the inside of casing is equipped with insulating layer, diaphragm layer and seal membrane layer, insulating layer, diaphragm layer and seal membrane layer set gradually from outer to interior, the top of casing is equipped with the battery cover, be equipped with the second sealing washer between battery cover and the casing, the top of casing is equipped with the anodal post that runs through the battery cover, be equipped with the third sealing washer between anodal post and the battery cover, the top of battery cover still is equipped with insulating cover. A first sealing ring is arranged at the joint of the shell and the negative plate, a second sealing ring is arranged between the battery cover and the shell, and a third sealing ring is arranged between the positive post and the battery cover;

above-mentioned device receives easy production weeping when the extrusion in the use, receives the collision back sealed department and easily appears the fracture and lead to sealed effect not good, and further components such as apron and negative plate that lead to drop influence normal use, and can cause the pollution to the environment when taking place the weeping, and the security performance is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides a leakage-proof battery.

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

the anti-leakage battery comprises a shell, a buffer assembly and a battery body, wherein the battery body is arranged in the shell, and the buffer assembly is arranged between the shell and the battery body;

the battery comprises a shell, a battery body and springs, wherein the shell is of a hollow cylindrical structure, the battery body and the shell are coaxially arranged, two end faces of the shell are respectively provided with a connecting plate, and the connecting plates on two sides are provided with the springs;

the buffer assembly comprises a protective sleeve and a buffer pad, the protective sleeve is arranged in an annular sleeve shape, the outer wall of the protective sleeve is fixedly connected with the inner wall of the shell, and the annular inner wall of the protective sleeve is in contact with the battery body;

the blotter set up in the inner wall of shell both sides tip, the blotter is the annular setting, the spring runs through the blotter setting, the blotter includes first blotter and second blotter, the anodal of battery body and one of them spring contact, the negative pole of battery body and another spring contact.

Furthermore, the outer wall of the first buffer pad is fixedly connected with the side wall of the shell, one end face of the first buffer pad is in contact with the positive end face of the battery body, and the other end of the first buffer pad is fixedly connected with one of the connecting plates.

Furthermore, one end of the second buffer pad is in contact with the negative end face of the battery body, and the other end of the second buffer pad is fixedly connected with the other connecting plate.

Furthermore, a steel ring is arranged on one side, connected with the shell, of the protective sleeve, and an insulating rubber ring is arranged on one side, contacted with the battery body, of the protective sleeve.

Further, an insulating layer is arranged inside the battery body.

Further, the shell is a hard shell, and the side wall of the shell is covered with an insulating layer.

Compared with the prior art, the beneficial effects of the utility model reside in that:

install protective housing additional in battery body's outside, avoid when using battery body to receive collision or extrusion and lead to the battery weeping, when receiving the collision, battery body's lateral wall and protective sheath contact, an impact for slowing down the battery body side and receiving, the anodal terminal surface and the negative pole terminal surface of battery slow down the impact through annular blotter, when receiving the extrusion, the shell bears the pressure to pressure, further steel ring further bearing pressure through protective sheath outer wall, in order to avoid because the too big problem that leads to the inside battery body to appear the weeping of pressure.

Drawings

FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic view of the protective sheath of the present invention.

In the figure, 100-casing, 101-connecting plate, 200-buffer component, 201-protective sleeve, 202-buffer pad, 203-first buffer pad, 204-second buffer pad, 205-steel ring, 206-insulating rubber ring, 300-battery body.

Detailed Description

In order to clearly understand the technical features, objects and effects of the present invention, the detailed embodiments of the present invention will be described with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.

The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

the liquid leakage prevention battery comprises a shell 100, a buffer assembly 200 and a battery body 300, wherein the battery body 300 is arranged inside the shell 100, and the buffer assembly 200 is arranged between the shell 100 and the battery body 300;

as shown in fig. 1, in practical application, the casing 100 is a hard cylindrical shell structure, the side wall of the casing 100 is covered with an insulating layer, and the battery body 300 is provided with an insulating layer inside, so as to improve the safety of the battery during use.

The casing 100 is a hollow cylindrical structure, the battery body 300 and the casing 100 are coaxially arranged, two end faces of the casing 100 are respectively provided with a connecting plate 101, and springs 102 are arranged on the connecting plates 101 on two sides;

as shown in fig. 1, in a specific implementation, the battery 300 is disposed inside the casing 100, the positive terminal and the negative terminal of the casing 100 are respectively connected to the connection plates 101 on both sides through two springs 102, the connection plates 101 include components such as an external electrode, an insulating sleeve, and a limiting plate, and the connection plates 101 are connected to the battery body 300, so that the battery body 300 inside can supply power to the outside.

The buffer assembly 200 comprises a protective sleeve 201 and a buffer pad 202, the protective sleeve 201 is arranged in an annular sleeve shape, the outer wall of the protective sleeve 201 is fixedly connected with the inner wall of the shell 100, the annular inner wall of the protective sleeve 201 is in contact with the battery body 300, a steel ring 205 is arranged on one side, connected with the shell 100, of the protective sleeve 201, and an insulating rubber ring 206 is arranged on one side, in contact with the battery body 300, of the protective sleeve 201;

as shown in fig. 1-3, when the battery receives the collision, the outer wall of the battery body 300 contacts with the inner wall of the protective sleeve 201, the protective sleeve 201 is in an annular configuration, the insulating rubber ring 206 is disposed inside the protective sleeve, the insulating rubber ring 206 has certain elasticity, thereby playing a role in buffering, in the implementation process, the number of the protective sleeve 201 is at least two, the protective sleeve is respectively disposed at two ends near the anode and the cathode of the battery body 300, the preferred setting is three, the three protective sleeves 201 are sequentially arranged along the axis at intervals, thereby playing a better protection role on the side wall of the battery body 300.

The buffer pads 202 are arranged on the inner walls of the two side ends of the casing 100, the buffer pads 202 are arranged in a ring shape, the springs 102 are arranged to penetrate through the buffer pads 202, the buffer pads 202 comprise a first buffer pad 203 and a second buffer pad 204, the positive pole of the battery body 300 is contacted with one spring 102, and the negative pole of the battery body 300 is contacted with the other spring 102;

as shown in fig. 1-2, in a specific implementation, the positive terminal and the negative terminal of the battery body 300 are connected to the connection plate 101 through the spring 102 for supplying power to the outside, the buffer pad 202 is disposed in a ring shape, and the spring 102 penetrates through a through hole formed in the middle of the buffer pad 202 and is connected to the connection plate 101.

Further, the outer wall of the first buffer pad 203 is fixedly connected with the side wall of the housing 100, one end face of the first buffer pad 203 is contacted with the positive end face of the battery body 300, the other end of the first buffer pad 203 is fixedly connected with one of the connecting plates 101, one end of the second buffer pad 204 is contacted with the negative end face of the battery body 300, and the other end of the second buffer pad 204 is fixedly connected with the other connecting plate 101;

as shown in fig. 1-2, in specific implementation, the positive terminal of the battery body 300 contacts with the first buffer pad 203, the first buffer pad 203 is compressed and contracted when being stressed, so as to achieve the buffering effect, the negative terminal surface of the battery body 300 contacts with the second buffer pad 204, the compressed and contracted when being stressed, so as to achieve the buffering effect, and the two buffer pads protect the terminal surfaces of the two sides of the battery body 300, so as to avoid the problem of liquid leakage when the battery body 300 is collided or compressed.

The above is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereby, and therefore, the present invention is intended to cover all modifications and equivalents of the claims and the scope of the present invention.

Claims

1. The leakage prevention battery is characterized by comprising a shell (100), a buffer assembly (200) and a battery body (300), wherein the battery body (300) is arranged inside the shell (100), and the buffer assembly (200) is arranged between the shell (100) and the battery body (300);

the shell (100) is of a hollow cylindrical structure, the battery body (300) and the shell (100) are coaxially arranged, two end faces of the shell (100) are respectively provided with a connecting plate (101), and springs (102) are arranged on the connecting plates (101) on two sides;

the buffer assembly (200) comprises a protective sleeve (201) and a buffer pad (202), the protective sleeve (201) is arranged in an annular sleeve shape, the outer wall of the protective sleeve (201) is fixedly connected with the inner wall of the shell (100), and the annular inner wall of the protective sleeve (201) is in contact with the battery body (300);

the buffer pads (202) are arranged on the inner walls of the end portions of the two sides of the shell (100), the buffer pads (202) are arranged in a ring shape, the springs (102) penetrate through the buffer pads (202), the buffer pads (202) comprise first buffer pads (203) and second buffer pads (204), the positive pole of the battery body (300) is in contact with one of the springs (102), and the negative pole of the battery body (300) is in contact with the other spring (102).

2. The leakage-proof battery of claim 1, wherein the outer wall of the first buffer (203) is fixedly connected to the side wall of the housing (100), one end surface of the first buffer (203) is in contact with the positive end surface of the battery body (300), and the other end of the first buffer (203) is fixedly connected to one of the connecting plates (101).

3. The battery of claim 2, wherein one end of the second buffer (204) is in contact with the negative end of the battery body (300), and the other end of the second buffer (204) is fixedly connected to the other connecting plate (101).

4. The battery of claim 1, wherein a steel ring (205) is disposed on the side of the protective sleeve (201) connected to the housing (100), and an insulating rubber ring (206) is disposed on the side of the protective sleeve (201) contacting the battery body (300).

5. The leak-proof battery according to claim 4, wherein an insulating layer is provided inside the battery body (300).

6. The leakage-proof battery according to claim 1, wherein the case (100) is a hard case, and a sidewall of the case (100) is covered with an insulating layer.