CN214589044U

CN214589044U - Lithium ion battery puncture-proof shell

Info

Publication number: CN214589044U
Application number: CN202120474855.3U
Authority: CN
Inventors: 蒋杨方; 陈云; 谢德平
Original assignee: Shenzhen Yanbiguo Technology Co ltd
Current assignee: Shenzhen Yanbiguo Technology Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-11-02
Anticipated expiration: 2031-03-05

Abstract

The utility model discloses a lithium ion battery prevents impaling casing, including battery main part and inoxidizing coating, battery main part's the outside is provided with corner protection piece, and the outside of corner protection piece is provided with the inoxidizing coating to battery main part's top is fixed with the installation shell, the inner of inoxidizing coating is inlayed and is had the connecting band, and the end connection of connecting band has first installation axle, first installation axle sets up in the inside of installation shell, and the outside of first installation axle is provided with torsion spring, the right side of first installation axle is provided with second installation axle, and the surface connection of second installation axle has the connecting band. This lithium ion battery prevents impaling the casing and is provided with inoxidizing coating and corner protection piece, and accessible inoxidizing coating cooperation corner protection piece protects the battery main part outside, and the corner protection piece can be erect the inoxidizing coating, makes things convenient for its follow-up to cushion the puncture force, compares metal casing and has lighter quality, makes things convenient for subsequent use.

Description

Lithium ion battery puncture-proof shell

Technical Field

The utility model relates to a lithium ion battery technical field specifically is a lithium ion battery prevents impaling casing.

Background

The lithium ion battery is a common rechargeable battery, and has longer service life and electric energy storage capacity compared with a lead storage battery, and a protective object is arranged outside the lithium ion battery during processing of the lithium ion battery so as to prevent the battery from being damaged, but the existing lithium ion battery shell has some defects during use:

the existing lithium ion battery shell is a metal shell which is used for preventing the battery from being pierced, the overall quality of the battery can be increased when the metal shell is used, and the shell cannot guide and buffer the piercing force when the piercing force is received, so that the practicability of the device is reduced.

In order to solve the above problems, innovative design based on the original lithium ion battery case is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium ion battery prevents impaling the casing to solve the lithium ion battery casing that has now on the existing market that above-mentioned background art provided and receive to impale and to adopt metal casing more for preventing that the battery from, metal casing can increase the overall quality of battery when using, and the casing can not guide the problem with the buffering to puncture power when receiving puncture power.

In order to achieve the above object, the utility model provides a following technical scheme: a puncture-proof shell of a lithium ion battery comprises a battery main body and a protective layer, wherein the outer side of the battery main body is provided with a corner protective block, the outer side of the corner protective block is provided with the protective layer, a mounting shell is fixed above the battery main body, a connecting band is embedded at the inner end of the protective layer, and the end of the connecting band is connected with a first mounting shaft which is arranged in the mounting shell, a torsion spring is arranged on the outer side of the first mounting shaft, a second mounting shaft is arranged on the right side of the first mounting shaft, the surface of the second mounting shaft is connected with a connecting belt, a transmission gear is fixed on the surface of the second mounting shaft, a movable plate is arranged above the transmission gear, the right end of the movable plate is connected with a first return spring, and first reset spring inlays in the inside of installation shell, the left side of fly leaf is provided with stop gear.

Preferably, the outer side of the corner protection block is in a circular arc structural design, and the corner protection block and the battery main body are in adhesive connection.

Preferably, first installation axle and second installation axle all with constitute revolution mechanic between the installation shell, and first installation axle and second installation axle all are connected through connecting band and inoxidizing coating.

Preferably, the transmission gear is engaged with the movable plate, the movable plate forms a left-right sliding structure through the first return spring and the mounting shell, the transmission gear and the second mounting shaft form an integrated structure, and meanwhile, the elastic force of the first return spring is larger than that of the torsion spring.

Preferably, stop gear includes stopper, backup pad, second reset spring and kicking block, and the stopper is located the left side of fly leaf to the below of stopper has run through the backup pad, and the inner wall at the installation shell is inlayed to the backup pad simultaneously.

Preferably, the outside nestification of stopper has second reset spring, and the below of stopper is connected with the kicking block to the kicking block is inlayed on the surface of first installation axle, constitutes sliding structure from top to bottom simultaneously between stopper and the backup pad.

Compared with the prior art, the beneficial effects of the utility model are that: the lithium ion battery puncture-proof shell;

(1) the battery is provided with the protective layer and the corner protective blocks, the outer side of the battery main body can be protected by matching the protective layer with the corner protective blocks, the corner protective blocks can support the protective layer, the subsequent puncture force can be conveniently buffered, and compared with a metal shell, the battery is lighter in weight and convenient to use subsequently;

(2) be provided with fly leaf and stop gear, the removal of accessible stop gear makes the fly leaf can carry out automatic removal under first reset spring's effect to remove through connecting band drive inoxidizing coating, can cushion and lead it when detecting that the inoxidizing coating receives puncture force or impact, thereby protect battery main body, increase the practicality of device.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

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

FIG. 3 is a schematic view of the main sectional structure of the present invention;

FIG. 4 is a schematic view of the installation shell of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a battery main body; 2. a corner protection block; 3. a protective layer; 4. a connecting belt; 5. mounting a shell; 6. a first mounting shaft; 7. a torsion spring; 8. a second mounting shaft; 9. a transmission gear; 10. a movable plate; 11. a first return spring; 12. a limiting block; 13. a support plate; 14. a second return spring; 15. and (7) a top block.

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. 1-5, the present invention provides a technical solution: a lithium ion battery puncture-proof shell comprises a battery main body 1, a corner protection block 2, a protective layer 3, a connecting band 4, a mounting shell 5, a first mounting shaft 6, a torsion spring 7, a second mounting shaft 8, a transmission gear 9, a movable plate 10, a first reset spring 11, a limiting block 12, a supporting plate 13, a second reset spring 14 and a top block 15, wherein the corner protection block 2 is arranged on the outer side of the battery main body 1, the protective layer 3 is arranged on the outer side of the corner protection block 2, the mounting shell 5 is fixed above the battery main body 1, the connecting band 4 is embedded at the inner end of the protective layer 3, the end of the connecting band 4 is connected with the first mounting shaft 6, the first mounting shaft 6 is arranged inside the mounting shell 5, the torsion spring 7 is arranged on the outer side of the first mounting shaft 6, the second mounting shaft 8 is arranged on the right side of the first mounting shaft 6, and the connecting band 4 is connected with the surface of the second mounting shaft 8, a transmission gear 9 is fixed on the surface of the second mounting shaft 8, a movable plate 10 is arranged above the transmission gear 9, a first return spring 11 is connected to the right end of the movable plate 10, the first return spring 11 is embedded in the mounting shell 5, and a limiting mechanism is arranged on the left side of the movable plate 10;

the outer side of the corner protection block 2 is in an arc-shaped structural design, the corner protection block 2 and the battery main body 1 are in adhesive connection, the corner of the battery main body 1 can be protected through the corner protection block 2 through the structural design, and meanwhile, a support is provided for a subsequent protection layer 3;

the first mounting shaft 6 and the second mounting shaft 8 form a rotating structure with the mounting shell 5, the first mounting shaft 6 and the second mounting shaft 8 are connected with the protective layer 3 through the connecting belt 4, the structural design facilitates the subsequent control of the protective layer 3 through the matching of the first mounting shaft 6 and the second mounting shaft 8, and therefore the subsequent puncture force is buffered;

the transmission gear 9 and the movable plate 10 are meshed and connected, the movable plate 10 forms a left-right sliding structure through the first return spring 11 and the mounting shell 5, the transmission gear 9 and the second mounting shaft 8 form an integrated structure, meanwhile, the elastic force of the first return spring 11 is greater than that of the torsion spring 7, and the transmission gear 9 can be driven to rotate through the movement of the rear movable plate 10, so that the second mounting shaft 8 is driven to rotate;

the limiting mechanism comprises a limiting block 12, a supporting plate 13, a second reset spring 14 and a top block 15, the limiting block 12 is located on the left side of the movable plate 10, the supporting plate 13 penetrates through the lower portion of the limiting block 12, the supporting plate 13 is embedded in the inner wall of the mounting shell 5, the second reset spring 14 is embedded in the outer side of the limiting block 12, the top block 15 is connected to the lower portion of the limiting block 12, the top block 15 is embedded in the surface of the first mounting shaft 6, an up-and-down sliding structure is formed between the limiting block 12 and the supporting plate 13, the movable plate 10 can be limited through the limiting block 12 due to the structural design, the limiting block 12 can move under the action of the second reset spring 14 when the first mounting shaft 6 rotates subsequently, and the limiting on the movable plate 10 is released.

The working principle is as follows: when the lithium ion battery puncture-proof shell is used, firstly, as shown in fig. 1, 2 and 3, the outer side of the battery main body 1 can be protected by the matching of the corner protection block 2 and the protection layer 3, and as shown in fig. 4 and 5, the top block 15 upwards presses the limiting block 12 in a default state to fix the position of the movable plate 10, the first return spring 11 is in a compressed state, and the elasticity of the first return spring 11 is greater than that of the torsion spring 7;

when the surface of the protective layer 3 is subjected to puncture force, the protective layer 3 is squeezed, the protective layer 3 pulls the connecting belt 4 to unreel on the first mounting shaft 6 to drive the first mounting shaft 6 to move, when the first mounting shaft 6 moves, the top block 15 is driven to move, the extrusion of the top block 15 on the limiting block 12 is released, the limiting block 12 moves downwards under the action of the second return spring 14, the limiting on the movable plate 10 is released, at the moment, the movable plate 10 moves under the action of the elastic force of the first return spring 11, the movable plate 10 moves, and simultaneously, the second mounting shaft 8 is driven to rotate through the meshing with the transmission gear 9, carry out the rolling to connecting band 4 to pulling inoxidizing coating 3 removes, leads and cushions the puncture power of perpendicular effect on inoxidizing coating 3 surface, and can realize receiving the automatic movement behind the puncture power, increases the functional and the practicality of device.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a lithium ion battery prevents puncturing casing, includes battery body (1) and inoxidizing coating (3), its characterized in that: the corner protection block (2) is arranged on the outer side of the battery main body (1), the protection layer (3) is arranged on the outer side of the corner protection block (2), the mounting shell (5) is fixed above the battery main body (1), the connecting band (4) is inlaid at the inner end of the protection layer (3), the end of the connecting band (4) is connected with a first mounting shaft (6), the first mounting shaft (6) is arranged inside the mounting shell (5), a torsion spring (7) is arranged on the outer side of the first mounting shaft (6), a second mounting shaft (8) is arranged on the right side of the first mounting shaft (6), the connecting band (4) is connected to the surface of the second mounting shaft (8), a transmission gear (9) is fixed to the surface of the second mounting shaft (8), a movable plate (10) is arranged above the transmission gear (9), and a first reset spring (11) is connected to the right end of the movable plate (10), and the first return spring (11) is embedded in the mounting shell (5), and a limiting mechanism is arranged on the left side of the movable plate (10).

2. The lithium ion battery puncture-resistant housing of claim 1, wherein: the outer side of the corner protection block (2) is in a circular arc structural design, and the corner protection block (2) and the battery main body (1) are connected in an adhesion mode.

3. The lithium ion battery puncture-resistant housing of claim 1, wherein: first installation axle (6) and second installation axle (8) all with constitute rotation structure between installation shell (5), and first installation axle (6) and second installation axle (8) all are connected through connecting band (4) and inoxidizing coating (3).

4. The lithium ion battery puncture-resistant housing of claim 1, wherein: the transmission gear (9) is in meshed connection with the movable plate (10), the movable plate (10) forms a left-right sliding structure through the first return spring (11) and the mounting shell (5), the transmission gear (9) and the second mounting shaft (8) form an integrated structure, and meanwhile the elastic force of the first return spring (11) is larger than that of the torsion spring (7).

5. The lithium ion battery puncture-resistant housing of claim 1, wherein: stop gear includes stopper (12), backup pad (13), second reset spring (14) and kicking block (15), and stopper (12) are located the left side of fly leaf (10) to the below of stopper (12) is run through there is backup pad (13), and the inner wall at installation shell (5) is inlayed in backup pad (13) simultaneously.

6. The lithium ion battery puncture-resistant housing of claim 5, wherein: the outside of stopper (12) is nested has second reset spring (14), and the below of stopper (12) is connected with kicking block (15) to kicking block (15) are inlayed on the surface of first installation axle (6), constitute sliding structure from top to bottom simultaneously between stopper (12) and backup pad (13).