CN214898715U

CN214898715U - Button lithium manganese cell with explosion-proof structure

Info

Publication number: CN214898715U
Application number: CN202121716286.5U
Authority: CN
Inventors: 鲜海泉; 唐玉梅
Original assignee: Shenzhen Ketegao Electronics Co ltd
Current assignee: Shenzhen Ketegao Electronics Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2021-11-26
Anticipated expiration: 2031-07-27

Abstract

The utility model belongs to the technical field of button lithium manganese battery, a button lithium manganese battery with explosion-proof structure is disclosed, including protective housing, protective housing's inside is provided with unable adjustment base, unable adjustment base's inside is provided with the battery body, unable adjustment base's inside is provided with second spring and second connection piece, protective housing's top is provided with the top cap, the bottom inner wall of top cap is provided with first connection piece and first spring, the bottom of top cap is provided with the fixed block, the inside of fixed block is provided with the draw-in groove; the utility model discloses a including protective housing and top cap wrap up battery body, set up unable adjustment base in protective housing's inside, the external firmness of strengthening protective housing of restriction battery, and be provided with second spring and first spring in protective housing's inside and top cap's bottom, carry out the shock attenuation to the battery, the security of improvement battery that can be better prevents that the explosion from causing the loss.

Description

Button lithium manganese cell with explosion-proof structure

Technical Field

The utility model belongs to the technical field of knot formula lithium manganese cell, concretely relates to knot formula lithium manganese cell with explosion-proof construction.

Background

The lithium manganese battery is one of the most commonly used charging energy sources, so the types of the batteries are various, the lithium manganese battery is one of the batteries, the lithium manganese battery has light weight, large electric capacity, is very popular and has wide application range, and the lithium manganese battery generally uses manganese dioxide as a positive electrode material and uses metal lithium or alloy metal thereof as a negative electrode material.

The existing lithium manganese battery has great potential safety hazard when in use, the battery is easy to explode when violently shaken or the temperature and the pressure of the battery are too high, and the structure is complex and inconvenient to install.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a knot formula lithium manganese cell with explosion-proof construction to solve the not good and problem of being not convenient for installation of explosion-proof of current lithium manganese cell.

In order to achieve the above object, the utility model provides a following technical scheme: button lithium manganese cell with explosion-proof structure, including protective housing, protective housing's inside is provided with unable adjustment base, unable adjustment base's inside is provided with battery body, unable adjustment base's inside is provided with second spring and second connection piece, protective housing's top is provided with the top cap, the bottom inner wall of top cap is provided with first connection piece and first spring.

Preferably, the bottom of top cap is provided with the fixed block, the inside of fixed block is provided with the draw-in groove, protective housing's top is provided with the fixed slot, protective housing's inner wall is provided with the fixture block.

Preferably, a through hole is formed in the fixing base, and the diameter of the through hole is smaller than that of the battery body.

Preferably, the inside of top cap is provided with the negative pole gasket, the inside of protective housing is provided with the positive pole gasket.

Preferably, the fixing block is matched with the fixing groove, and the clamping block is clamped with the clamping groove.

Preferably, the first connecting piece and the second connecting piece are of elastic structures, and mounting holes are formed in the middles of the top cover and the protective shell.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model discloses a including protective housing and top cap wrap up battery body, set up unable adjustment base in protective housing's inside, the external firmness of strengthening protective housing of restriction battery, and be provided with second spring and first spring in protective housing's inside and top cap's bottom, carry out the shock attenuation to the battery, the security of improvement battery that can be better prevents that the explosion from causing the loss.

(2) The utility model discloses a bottom at the top cap is provided with the fixed block, with the fixed slot phase-match at protective housing top, can make draw-in groove and fixture block looks block through rotatory top cap, fixes the top cap, can be more convenient install the battery, the structure is comparatively simple moreover.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is an enlarged view of the point A of FIG. 1 according to the present invention;

in the figure: 1. a protective housing; 2. a battery body; 3. a top cover; 4. a first connecting piece; 5. a negative electrode pad; 6. a first spring; 7. a fixed base; 8. a second spring; 9. a second connecting sheet; 10. a positive electrode pad; 11. a fixed block; 12. a card slot; 13. a clamping block; 14. and fixing the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: the button lithium manganese battery with an explosion-proof structure comprises a protective shell 1, a fixed base 7 is arranged inside the protective shell 1, a battery body 2 is arranged inside the fixed base 7, a second spring 8 and a second connecting sheet 9 are arranged inside the fixed base 7, a top cover 3 is arranged at the top of the protective shell 1, a first connecting sheet 4 and a first spring 6 are arranged on the inner wall of the bottom of the top cover 3, the fixed base 7 is fixedly connected with the protective shell 1, carry on spacingly to battery body 2, increase protective housing 1's tightness, improve explosion-proof ability, first spring 6 and second spring 8 are used for carrying out the shock attenuation to battery body 2, prevent that vibrations from leading to the battery acutely to shake, and the other end of first connection piece 4 is connected with negative pole gasket 5, and the one end of second connection piece 9 is connected with anodal gasket 10 for electrically conductive, top cap 3 is used for fixed battery body 2.

Further, the bottom of top cap 3 is provided with fixed block 11, and the inside of fixed block 11 is provided with draw-in groove 12, and the top of protective housing 1 is provided with fixed slot 14, and the inner wall of protective housing 1 is provided with fixture block 13, fixed block 11 and top cap 3 fixed connection for set up draw-in groove 12, rotate top cap 3 and can make draw-in groove 12 and fixture block 13 looks block, be used for fixed top cap 3.

Further, the inside of the fixing base 7 is provided with a through hole having a diameter smaller than that of the battery body 2, and the through hole is used for mounting the second spring 8 and the second connecting piece 9.

Specifically, the inside of top cap 3 is provided with negative electrode gasket 5, and the inside of protecting sheathing 1 is provided with anodal gasket 10, and negative electrode gasket 5 and anodal gasket 10 are the metal material for electrically conduct.

It is worth to be noted that the fixing block 11 is matched with the fixing groove 14, the locking block 13 is locked with the locking groove 12, and the fixing block 11 can penetrate through the fixing groove 14 to fix the top cover 3 conveniently.

Further, first connection piece 4 and second connection piece 9 are elastic structure, and the centre of top cap 3 and protective housing 1 all is provided with the mounting hole, and the mounting hole is used for installing negative pole gasket 5 and positive pole gasket 10.

The utility model discloses a theory of operation and use flow: when using the utility model discloses, at first, install battery body 2 in unable adjustment base 7's inside, second spring 8 and second connection piece 9 all contact with battery body 2 this moment, install top cap 3 at protective housing 1's top, make fixed block 11 pass fixed slot 14, and rotatory top cap 3, make draw-in groove 12 and fixture block 13 carry out the block, first spring 6 and first connection piece 4 extrusion battery body 2 this moment, accomplish the installation, first connection piece 4 and second connection piece 9 are elastic construction, can buckle, can pass to negative pole gasket 5 and positive pole gasket 10 respectively with the electricity.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Button lithium manganese cell with explosion-proof structure, its characterized in that: the battery protection device is characterized by comprising a protection shell (1), wherein a fixed base (7) is arranged inside the protection shell (1), a battery body (2) is arranged inside the fixed base (7), a second spring (8) and a second connecting piece (9) are arranged inside the fixed base (7), a top cover (3) is arranged at the top of the protection shell (1), and a first connecting piece (4) and a first spring (6) are arranged on the inner wall of the bottom of the top cover (3).

2. The button lithium manganese cell with explosion-proof structure of claim 1, wherein: the bottom of top cap (3) is provided with fixed block (11), the inside of fixed block (11) is provided with draw-in groove (12), the top of protecting sheathing (1) is provided with fixed slot (14), the inner wall of protecting sheathing (1) is provided with fixture block (13).

3. The button lithium manganese cell with explosion-proof structure of claim 1, wherein: the inside of unable adjustment base (7) is provided with the through-hole, the diameter of through-hole is less than the diameter of battery body (2).

4. The button lithium manganese cell with explosion-proof structure of claim 1, wherein: the inside of top cap (3) is provided with negative pole gasket (5), the inside of protecting sheathing (1) is provided with anodal gasket (10).

5. The button lithium manganese cell with explosion-proof structure of claim 2, wherein: the fixing block (11) is matched with the fixing groove (14), and the clamping block (13) is clamped with the clamping groove (12).

6. The button lithium manganese cell with explosion-proof structure of claim 1, wherein: the first connecting piece (4) and the second connecting piece (9) are of elastic structures, and mounting holes are formed in the middles of the top cover (3) and the protective shell (1).