CN215816109U

CN215816109U - Leakage-proof steel shell lithium ion battery cell installation shell

Info

Publication number: CN215816109U
Application number: CN202122099219.XU
Authority: CN
Inventors: 顾妍妍; 王璐璐; 杜宏波; 邵余坤
Original assignee: Nanjing Zhongbi New Energy Technology Co ltd
Current assignee: Nanjing Zhongbi New Energy Technology Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-11
Anticipated expiration: 2031-09-01

Abstract

The utility model relates to the technical field of lithium ion batteries, in particular to a leakage-proof steel shell lithium ion battery cell installation shell, which comprises a base, a fixing structure and a protection structure, wherein the fixing structure is arranged at the upper end of the base and comprises a battery cell fixing structure and a protection fixing structure, the battery cell fixing structure comprises a placement block which is convexly arranged in the middle of the upper end of the base, a plurality of uniformly distributed fixing slots are formed in the upper end of the placement block, a battery cell is inserted in each fixing slot, the protection fixing structure comprises a limiting plate which is convexly arranged at the upper end of the base outside the placement block, and the leakage-proof steel shell lithium ion battery cell installation shell has the advantages that: through setting up fixed knot structure, can make electric core remain stable in the shell, increase fixed effect, and can effectively improve the protective properties to electric core, increase sealed effect, still be provided with bearing structure, can support between the electric core, avoid appearing the contact collision between the electric core, cause the damage, influence life.

Description

Leakage-proof steel shell lithium ion battery cell installation shell

Technical Field

The utility model relates to the technical field of lithium ion cells, in particular to an anti-leakage steel shell lithium ion cell installation shell.

Background

A lithium ion battery is a secondary battery (rechargeable battery) that mainly operates by movement of lithium ions between a positive electrode and a negative electrode. During charging and discharging, Li + is inserted and extracted back and forth between two electrodes: during charging, Li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge.

When the lithium ion battery cell is used, the battery cell needs to be protected through the shell to prevent the leakage or the electric leakage of the battery cell, the protection effect of the installation shell in the prior art is not strong enough, the stability effect of the battery cell in the installation shell is not strong enough, and collision damage may occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a leakage-proof steel shell lithium ion battery cell installation shell to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a leakage-proof steel casing lithium ion electricity core installation shell, includes base, fixed knot structure and protective structure, the base upper end is provided with fixed knot and constructs, fixed knot constructs including electric core fixed knot and protects fixed knot and constructs, the piece of placing that the protrusion set up in the middle of electric core fixed knot constructs including the base upper end, place the fixed slot that a plurality of evenly distributed were seted up to piece upper end, it has electric core to peg graft in the fixed slot, the protective knot constructs including the limiting plate of placing the base upper end protrusion setting in the outside of piece, the limiting plate with place and form the spacing groove between the piece, the inside protective structure that pegs graft in spacing groove upper end, protective structure includes the upper cover.

Preferably, the lower end of the upper cover is inserted into the limiting groove and fixed through a fixing screw, the upper cover comprises a top plate at the upper end, a side wall is arranged on the edge of the lower end of the top plate in a protruding mode, connecting grooves are formed in two sides of the upper end of the top plate, electrodes are connected in the connecting grooves in a fastening mode through insulating bolts, the lower end of each electrode is connected with a lead, and the lead is connected to the inside of the upper cover.

Preferably, the lower end of the top plate is provided with a plurality of slots corresponding to the battery cells, the slots are internally and fixedly connected with electric connection sheets, the electric connection sheets are connected in parallel, and the electric connection sheets are electrically connected with a lead connected with the lower end of the electrode.

Preferably, a supporting plate is sleeved on the middle outer side of the battery cell, a jack corresponding to the battery cell is formed in the supporting plate, the supporting plate is sleeved on the outer side of the battery cell and is fixedly bonded, and the battery cell is supported and separated by the supporting plate, so that a separation seam is formed between the battery cells.

Preferably, the inner wall of the limiting groove is fixedly connected with a sealing gasket, and the sealing gasket is made of an insulating material.

Preferably, the bottom of the fixing slot in the placing block is fixedly connected with a connecting sheet, the connecting sheet is electrically connected with the battery core, and the connecting sheets are electrically connected with each other.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the fixing structure is arranged, so that the electric core can be kept stable in the shell, the fixing effect is increased, the protection performance of the electric core can be effectively improved, the sealing effect is increased, and the supporting structure is also arranged, so that the electric cores can be supported, and the electric cores are prevented from being damaged and affecting the service life due to contact collision.

Drawings

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

FIG. 2 is a front view of the present invention;

fig. 3 is a top view of fig. 2.

In the figure: the battery comprises a base 1, a placing block 2, a limiting plate 3, a limiting groove 4, a fixing slot 5, a battery core 6, a supporting plate 7, an upper cover 8, a top plate 9, a connecting groove 10, an electrode 11, an insulating bolt 12 and a fixing screw 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a leakage-proof steel shell lithium ion battery cell installation shell comprises a base 1, a fixing structure and a protection structure, wherein the upper end of the base 1 is provided with the fixing structure, the fixing structure comprises a battery cell fixing structure and a protection fixing structure, the battery cell fixing structure comprises a placing block 2 which is convexly arranged in the middle of the upper end of the base 1, the upper end of the placing block 2 is provided with a plurality of fixing slots 5 which are uniformly distributed, a battery cell 6 is inserted in each fixing slot 5, the protection fixing structure comprises a limiting plate 3 which is convexly arranged at the upper end of the base 1 outside the placing block 2, a limiting groove 4 is formed between each limiting plate 3 and the placing block 2, the protection structure is inserted in the upper end of each limiting groove 4, and the protection structure comprises an upper cover 8;

the lower end of the upper cover 8 is inserted into the limiting groove 4 and fixed through a fixing screw 13, the upper cover 8 comprises a top plate 9 at the upper end, the edge of the lower end of the top plate 9 is convexly provided with a side wall, two sides of the upper end of the top plate 9 are provided with connecting grooves 10, electrodes 11 are connected in the connecting grooves 10, the electrodes 11 are fixedly connected through insulating bolts 12, the lower ends of the electrodes 11 are connected with leads, and the leads are connected to the inside of the upper cover 8;

the lower end of the top plate 9 is provided with a plurality of slots corresponding to the electric core 6, electric connection sheets are fixedly connected in the slots, the electric connection sheets are connected in parallel, the electric connection sheets are electrically connected with a lead connected with the lower end of the electrode 11, the upper cover 8 can be fixed and limited through the limiting groove 4, the stability after the upper cover 8 is connected is improved, the protection effect is improved, the slots arranged below the top plate 9 at the upper end of the upper cover 8 correspond to the fixed slots 3 arranged at the upper end of the placing block 2 on the base 1, the electric core 6 can be limited, the fixing effect on the electric core 6 is improved, the stability after the electric core 6 is installed is ensured, and the use effect and the protection effect are improved;

a supporting plate 7 is sleeved outside the middle of the electric core 6, a jack corresponding to the electric core 6 is formed in the supporting plate 7, the supporting plate 7 is sleeved outside the electric core and is fixedly bonded, the electric core 6 is supported and separated by the supporting plate 7, so that a separation seam is formed between the electric cores 6, the electric core 6 can be further supported by the supporting plate 7, collision between the electric cores 6 or between the electric core 6 and a slot is prevented, the separation effect is increased, the protection performance is improved, and the use effect is increased;

the inner wall of the limiting groove 4 is fixedly connected with a sealing gasket made of insulating materials, and the sealing performance can be effectively improved, the leakage and electric leakage prevention performance is improved, and the using effect is improved through the sealing gasket in the limiting groove 4;

place 5 bottom fixedly connected with connection pieces of fixed slot in the piece 2, connection piece and 6 electric connection of electric core, electric connection between the connection piece.

The working principle is as follows: can be fixed spacingly with upper cover 8 through spacing groove 4, increase the stability after upper cover 8 connects, improve the protecting effect, it corresponds to place the fixed slot 3 that 2 upper ends were seted up on piece and the base 1 to be provided with the slot under the roof 9 of upper cover 8 upper end, can be spacing with electric core 6, increase the fixed effect to electric core 6, guarantee the stability after electric core 6 installs, improve result of use and protecting effect, can further support electric core 6 through backup pad 7, prevent to appear colliding between electric core 6 or between electric core 6 and the slot, increase the separation effect, improve the barrier propterty, increase the result of use, through the sealed pad in spacing groove 4, can effectively increase the leakproofness, improve and prevent leaking electric leakage performance, increase the result of use.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a leakage-proof steel casing lithium ion electricity core installation shell, includes base (1), fixed knot structure and protective structure, its characterized in that: base (1) upper end is provided with fixed knot and constructs, fixed knot constructs including electric core fixed knot and protection fixed knot, the piece (2) of placing that the protrusion set up in the middle of electric core fixed knot constructs including base (1) upper end, place fixed slot (5) that a plurality of evenly distributed were seted up to piece (2) upper end, it has electric core (6) to peg graft in fixed slot (5), protection fixed knot constructs including base (1) upper end protrusion limiting plate (3) that place the piece (2) outside set up, limiting plate (3) and place and form spacing groove (4) between piece (2), spacing groove (4) upper end inside protective structure that pegs graft, protective structure includes upper cover (8).

2. The leak-proof steel-shelled lithium ion battery cell mounting case of claim 1, wherein: the lower end of the upper cover (8) is inserted into the limiting groove (4) and fixed through a fixing screw (13), the upper cover (8) comprises a top plate (9) at the upper end, a side wall is arranged at the edge of the lower end of the top plate (9) in a protruding mode, connecting grooves (10) are formed in two sides of the upper end of the top plate (9), electrodes (11) are connected into the connecting grooves (10), the electrodes (11) are connected through insulating bolts (12) in a fastening mode, the lower ends of the electrodes (11) are connected with leads, and the leads are connected into the upper cover (8).

3. The leakage-proof steel-clad lithium ion battery cell mounting casing of claim 2, wherein: the battery is characterized in that the lower end of the top plate (9) is provided with a plurality of slots corresponding to the battery cell (6), the slots are internally and fixedly connected with electric connection sheets, the electric connection sheets are connected in parallel, and the electric connection sheets are electrically connected with a lead connected with the lower end of the electrode (11).

4. The leak-proof steel-shelled lithium ion battery cell mounting case of claim 1, wherein: the battery cell structure is characterized in that a supporting plate (7) is sleeved on the outer side of the middle of the battery cell (6), a jack corresponding to the battery cell (6) is formed in the supporting plate (7), the supporting plate (7) is sleeved on the outer side of the battery cell and is fixedly bonded, and the battery cell (6) is supported and separated by the supporting plate (7), so that a separation seam is formed between the battery cells (6).

5. The leak-proof steel-shelled lithium ion battery cell mounting case of claim 1, wherein: the inner wall of the limiting groove (4) is fixedly connected with a sealing gasket, and the sealing gasket is made of an insulating material.

6. The leak-proof steel-shelled lithium ion battery cell mounting case of claim 1, wherein: the battery cell placing block is characterized in that connecting pieces are fixedly connected to the bottoms of the fixing slots (5) in the placing blocks (2), and are electrically connected with the battery cells (6) and the connecting pieces.