CN213660498U

CN213660498U - Flame-retardant and explosion-proof polymer lithium battery

Info

Publication number: CN213660498U
Application number: CN202023137809.9U
Authority: CN
Inventors: 邓体洋; 赵子恒
Original assignee: Huizhou Hagong New Energy Technology Co ltd
Current assignee: Huizhou Hagong New Energy Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-07-09
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a fire-resistant explosion-proof polymer lithium cell, including battery case, battery case's inside is provided with lithium cell body, lithium cell body's both sides all are provided with splint, the outside of splint and the inside that is located battery case are provided with the multiunit inserted bar, the outside of inserted bar and the inboard that is located battery case are provided with the sleeve, telescopic outside surface and the outside surface that is located battery case set up the radiating block, lithium cell body's bottom is provided with the limiting plate, lithium cell body's top and the inboard that is located the battery case top are provided with sealed lid, lithium cell body's top surface and the inside that is located sealed lid are provided with multiunit utmost point ear. The utility model relates to a fire-resistant explosion-proof polymer lithium cell adopts the mode of double-splint location centre gripping lithium cell to fix, improves inside radiating effect to improve inside storage space, play fire-resistant explosion-proof effect.

Description

Flame-retardant and explosion-proof polymer lithium battery

Technical Field

The utility model relates to a polymer lithium cell technical field, in particular to flame-retardant explosion-proof polymer lithium cell.

Background

A polymer lithium battery is also called a polymer lithium battery, and is a battery with chemical properties. Compared with the prior battery, the battery has the characteristics of high energy, miniaturization and light weight. The polymer lithium battery has the ultrathin characteristic, can be made into batteries with different shapes and capacities according to the requirements of certain products, and the theoretical minimum thickness can reach 0.5 mm. The existing polymer lithium battery can be basically in a long-term use state, and the internal temperature is inconvenient to dissipate heat through insulating plastic packaging, so that the aging of the lithium battery is accelerated. Therefore, a flame-retardant and explosion-proof polymer lithium battery is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a fire-resistant explosion-proof polymer lithium cell can effectively solve the problem in the background art.

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

the utility model provides a fire-resistant explosion-proof polymer lithium cell, includes battery case, battery case's inside is provided with lithium cell body, lithium cell body's both sides all are provided with splint, the outside of splint and the inside that is located battery case are provided with the multiunit inserted bar, the outside of inserted bar and the inboard that is located battery case are provided with the sleeve, telescopic outside surface and the outside surface that is located battery case set up the radiating block, lithium cell body's bottom is provided with the limiting plate, lithium cell body's top and the inboard that is located the battery case top are provided with sealed lid, lithium cell body's top surface and the inside that is located sealed lid are provided with multiunit utmost point ear.

Preferably, the bottom of limiting plate and the inside that is located battery case are provided with the bracing piece, the bracing piece outside sets up a spring, the both sides of a spring and the outside surface that is located the bracing piece all set up the slider, the bracing piece is fixed connection with battery case, battery case's inside is provided with the recess corresponding with slider and bracing piece, a spring is fixed connection with the slider, the top surface of slider and the bottom surface of limiting plate all are provided with the mount pad, the mount pad is fixed connection with slider and limiting plate, be provided with the connecting rod between the mount pad of limiting plate bottom and the mount pad at slider top, the connecting rod is swing joint with the mount pad.

By adopting the technical scheme, the following technical effects can be achieved: thereby achieving the effect of buffering the internal pressure.

Preferably, the both sides of sealing cover bottom are the inclined plane, the both sides of sealing cover bottom and the inside that is located battery case all are provided with the locating piece, locating piece and sealed lid are fixed connection, battery case's top is provided with the recess corresponding with locating piece and sealed lid, the inside outside that just is located utmost point ear of sealed lid is insulating rubber structure.

By adopting the technical scheme, the following technical effects can be achieved: thereby achieving the effects of protecting connection and sealing.

Preferably, the inboard of splint is ARC structure, splint and inserted bar are fixed connection, the inserted bar is swing joint with the sleeve, the sleeve is fixed connection with battery case, battery case's inside is provided with the recess corresponding with the sleeve, telescopic outside and the outside surface that is located splint are provided with No. two springs, No. two springs are fixed connection with battery case and splint.

By adopting the technical scheme, the following technical effects can be achieved: thereby achieving the effect of clamping and heat dissipation.

Preferably, the outside surface of battery case is provided with the recess corresponding with the radiating block, the radiating block is fixed connection with battery case and sleeve, the radiating block is T shape cylinder structure, the inside of radiating block is the filter screen structure.

By adopting the technical scheme, the following technical effects can be achieved: thereby achieving the effect of improving the radiating surface.

Compared with the prior art, the utility model discloses following beneficial effect has: according to the flame-retardant and explosion-proof polymer lithium battery, the tab at the top of the lithium battery body is aligned through the opening at the top of the sealing cover, the lithium battery body is pressed to move downwards to drive the limiting plate to move, the limiting plate pushes the connecting rod, the connecting rod pushes the sliding block to move along the outer side of the supporting rod through the mounting seat, and when the sealing cover is opened, the lithium battery body can be automatically ejected through the first spring, so that the effect of convenience in mounting and fixing is achieved; when the lithium battery body is used, the internal temperature is transmitted to the multi-group insertion rod through the clamping plate, and is transmitted to the radiating block through the sleeve, the radiating block is utilized to convey out of the outer side of the battery shell, the tension of the second spring is utilized, the impact of the lithium battery body is buffered, the effect of facilitating installation and replacement is achieved, the effect of rapid heat dissipation is achieved, and the problem that the outer side of the lithium battery is burnt and internally cooled is solved.

Drawings

Fig. 1 is a schematic perspective view of a flame-retardant and explosion-proof polymer lithium battery according to the present invention;

fig. 2 is a front sectional view of a flame-retardant and explosion-proof polymer lithium battery according to the present invention;

FIG. 3 is a side view of a cross-sectional view of a clamp plate of a flame-retardant and explosion-proof polymer lithium battery of the present invention;

fig. 4 is a schematic view of the top cover of the flame-retardant and explosion-proof polymer lithium battery according to the present invention.

In the figure: 1. a battery case; 2. a lithium battery body; 3. a splint; 4. inserting a rod; 5. a sleeve; 6. a heat dissipating block; 7. a limiting plate; 8. a sealing cover; 9. a tab; 10. a support bar; 11. a first spring; 12. a slider; 13. a mounting seat; 14. a connecting rod; 15. positioning blocks; 16. and a second spring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a flame-retardant and explosion-proof polymer lithium battery comprises a battery shell 1, a lithium battery body 2 is arranged inside the battery shell 1, clamping plates 3 are arranged on both sides of the lithium battery body 2, a plurality of groups of insertion rods 4 are arranged outside the clamping plates 3 and inside the battery shell 1, a sleeve 5 is arranged outside the insertion rods 4 and inside the battery shell 1, a heat dissipation block 6 is arranged on the outer surface of the outer side of the sleeve 5 and outside the battery shell 1, a limiting plate 7 is arranged at the bottom of the lithium battery body 2, a sealing cover 8 is arranged on the top of the lithium battery body 2 and inside the top of the battery shell 1, and a plurality of groups of tabs 9 are arranged on the outer surface of the top of the lithium battery body 2 and inside the sealing.

A support rod 10 is arranged at the bottom of the limit plate 7 and inside the battery shell 1, a first spring 11 is arranged outside the support rod 10, sliders 12 are arranged on two sides of the first spring 11 and on the outer surface of the outer side of the support rod 10, the support rod 10 is fixedly connected with the battery shell 1, grooves corresponding to the sliders 12 and the support rod 10 are arranged inside the battery shell 1, the first spring 11 is fixedly connected with the sliders 12, mounting seats 13 are arranged on the outer surface of the top of the sliders 12 and the outer surface of the bottom of the limit plate 7, the mounting seats 13 are fixedly connected with the sliders 12 and the limit plate 7, a connecting rod 14 is arranged between the mounting seat 13 at the bottom of the limit plate 7 and the mounting seat 13 at the top of the sliders 12, the connecting rod 14 is movably connected with the mounting seats 13, when, the corresponding slider 12 is pushed to move through the connecting rod 14, and the first spring 11 is used for rebounding and buffering.

The both sides of 8 bottoms of sealed lid are the inclined plane, and the both sides of 8 bottoms of sealed lid and the inside that is located battery case 1 all are provided with locating piece 15, and locating piece 15 and sealed lid 8 are fixed connection, and battery case 1's top is provided with the recess corresponding with locating piece 15 and sealed lid 8, and the fixed sealed lid 8 of being convenient for, the inside outside that just is located utmost point ear 9 of sealed lid is insulating rubber structure, improves the protection to utmost point ear 9.

The inboard of splint 3 is ARC structure, and splint 3 is fixed connection with inserted bar 4, and inserted bar 4 is swing joint with sleeve 5, and sleeve 5 is fixed connection with battery case 1, and battery case 1's inside is provided with the recess corresponding with sleeve 5, and the outside surface that just is located splint 3 in the outside of sleeve 5 is provided with No. two springs 16, and No. two springs 16 are fixed connection with battery case 1 and splint 3.

The outer surface of the outer side of the battery shell 1 is provided with a groove corresponding to the radiating block 6, the battery shell 1 and the sleeve 5 are fixedly connected, the radiating block 6 is of a T-shaped cylindrical structure, and the radiating block 6 is of a filter screen structure.

It should be noted that, when the utility model is used, the worker opens the sealing cover 8, inserts the lithium battery body 2 into the battery shell 1, aligns the opening at the top of the sealing cover 8 with the tab 9 at the top of the lithium battery body 2, presses the lithium battery body 2 to move downwards, drives the limiting plate 7 to move, the limiting plate 7 pushes the connecting rod 14, the connecting rod 14 pushes the slider 12 to move along the outer side of the supporting rod 10 through the mounting seat 13, and the installation can be completed; when lithium cell body 1 used, inside temperature transmitted for the multiunit inserted bar 4 through splint 3 to transmit to radiating block 6 through sleeve 5, utilize radiating block 6 to carry out the outside of battery case 1, solve the lithium cell outside and receive to burn and inside radiating problem.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A flame-resistant and explosion-proof polymer lithium battery comprises a battery shell (1), and is characterized in that: the inside of battery case (1) is provided with lithium cell body (2), the both sides of lithium cell body (2) all are provided with splint (3), the outside of splint (3) and the inside that is located battery case (1) are provided with multiunit inserted bar (4), the outside of inserted bar (4) and the inboard that is located battery case (1) are provided with sleeve (5), the outside surface of sleeve (5) and the outside surface that is located battery case (1) set up radiating block (6), the bottom of lithium cell body (2) is provided with limiting plate (7), the top of lithium cell body (2) and the inboard that is located battery case (1) top are provided with sealed lid (8), the top surface of lithium cell body (2) and the inside that is located sealed lid (8) are provided with multiunit utmost point ear (9).

2. The flame and explosion resistant polymer lithium battery of claim 1, wherein: the bottom of the limiting plate (7) is provided with a supporting rod (10) inside the battery shell (1), the outside of the supporting rod (10) is provided with a first spring (11), the outer surfaces of the two sides of the first spring (11) and the outside of the supporting rod (10) are both provided with a slider (12), the supporting rod (10) is fixedly connected with the battery shell (1), the inside of the battery shell (1) is provided with a groove corresponding to the slider (12) and the supporting rod (10), the first spring (11) is fixedly connected with the slider (12), the outer surface of the top of the slider (12) and the outer surface of the bottom of the limiting plate (7) are both provided with a mounting seat (13), the mounting seat (13) is fixedly connected with the slider (12) and the limiting plate (7), a connecting rod (14) is arranged between the mounting seat (13) at the bottom of the limiting plate (7) and the mounting seat (13) at the top of the slider (12), the connecting rod (14) is movably connected with the mounting seat (13).

3. The flame and explosion resistant polymer lithium battery of claim 1, wherein: the both sides of sealed lid (8) bottom are the inclined plane, the both sides of sealed lid (8) bottom and the inside that is located battery case (1) all are provided with locating piece (15), locating piece (15) are fixed connection with sealed lid (8), the top of battery case (1) is provided with the recess corresponding with locating piece (15) and sealed lid (8), the inside outside that just is located utmost point ear (9) of sealed lid (8) is the insulating rubber structure.

4. The flame and explosion resistant polymer lithium battery of claim 1, wherein: the inboard of splint (3) is the cambered surface structure, splint (3) are fixed connection with inserted bar (4), inserted bar (4) are swing joint with sleeve (5), sleeve (5) are fixed connection with battery case (1), the inside of battery case (1) is provided with the recess corresponding with sleeve (5), the outside surface that the outside of sleeve (5) just is located splint (3) is provided with No. two spring (16), No. two spring (16) are fixed connection with battery case (1) and splint (3).

5. The flame and explosion resistant polymer lithium battery of claim 1, wherein: the battery case is characterized in that a groove corresponding to the heat dissipation block (6) is formed in the outer surface of the outer side of the battery case (1), the heat dissipation block (6) is fixedly connected with the battery case (1) and the sleeve (5), the heat dissipation block (6) is of a T-shaped cylindrical structure, and the heat dissipation block (6) is of a filter screen structure.