CN215070122U

CN215070122U - Lithium battery shell

Info

Publication number: CN215070122U
Application number: CN202120774536.4U
Authority: CN
Inventors: 杨家德
Original assignee: Xiamen Paike New Energy Technology Co ltd
Current assignee: Xiamen Paike New Energy Technology Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-12-07
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses a lithium battery case, belong to the lithium cell field, a lithium battery case, which comprises an outer shell, the inner shell, first spring, the elastic ring, the protection piece, and the dust screen, the inside diapire of shell is fixed with a plurality of first springs, the top of first spring is fixed with the inner shell, first louvre has all been seted up to the lateral wall and the diapire of inner shell, the second louvre has been seted up to the lateral wall of shell, the second louvre is downthehole to be equipped with the dust screen, the cover is equipped with the elastic ring on the lateral wall of inner shell lower part, the ring channel has been seted up to the inside wall of shell lower part, a part of elastic ring is located the ring channel, be fixed with the protection piece on the lateral wall of shell. The utility model discloses a lithium battery shell adopts bilayer structure to the shock attenuation is effectual, and is good to the lithium cell protection nature.

Description

Lithium battery shell

Technical Field

The utility model belongs to the lithium cell field especially relates to a lithium battery shell.

Background

Lithium ion batteries generally consist of five major components, which are: positive electrode material, negative electrode material, diaphragm, electrolyte and battery shell. The battery case therein has the functions of protecting the internal elements of the battery from being broken due to external collision, leaking electrolyte and the like, but the heat dissipation effect of the existing lithium battery case is not enough, the case only has a single layer, and the damping effect is poor and the protection performance of the lithium battery is poor.

Disclosure of Invention

An object of the utility model is to provide a lithium battery shell adopts bilayer structure to the shock attenuation is effectual, and is good to the lithium cell protectiveness.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a pair of lithium battery shell, which comprises an outer shell, the inner shell, first spring, the elastic ring, the protection piece, and the dust screen, the inside diapire of shell is fixed with a plurality of first springs, the top of first spring is fixed with the inner shell, first louvre has all been seted up to the lateral wall and the diapire of inner shell, the second louvre has been seted up to the lateral wall of shell, the second louvre is downthehole to be inlayed and is equipped with the dust screen, the cover is equipped with the elastic ring on the lateral wall of inner shell lower part, the ring channel has been seted up to the inside wall of shell lower part, a part of elastic ring is located the ring channel, be fixed with the protection piece on the lateral wall of shell.

Preferably, two chutes are formed in the bottom wall inside the inner shell, each chute is internally provided with a sliding block, the left side wall and the right side wall of each sliding block are respectively fixed with a second spring, the outer end of each second spring is fixed on the side wall of each chute, and the top of each sliding block is respectively fixed with a partition plate.

Preferably, a plurality of heat dissipation fins are fixed to both left and right side walls of each partition plate.

Preferably, the protective blocks are wavy.

Preferably, the material of the protection block is rubber.

Preferably, the elastic ring is a silicone ring or a rubber ring.

Preferably, the top of the shell is provided with an end cover, and the top of the end cover is provided with a handle.

The utility model has the advantages that:

1. the heat dissipation in the horizontal and vertical directions is achieved through the arrangement of the first heat dissipation holes, and the heat dissipation is carried out through the discharge of the second heat dissipation holes; due to the arrangement of the dustproof net, the dustproof function is achieved while heat dissipation is ensured; the vibration suffered by the inner shell is reduced through the arrangement of the first spring, and the vibration suffered by the inner shell is further reduced through the combination of two different vibration reduction modes by combining the arrangement of the elastic ring, so that the service life of the lithium battery in the inner shell is prolonged; through the setting of protection piece, play the cushioning effect when the striking is received to the shell, and then reduce the vibrations that inner shell and interior lithium cell received, it is good to the lithium cell protectiveness.

2. The inner space of the inner shell is separated through the arrangement of the partition plate, and the slide block and the second spring are combined, so that the position of the partition plate can be adjusted, the lithium batteries of different specifications can be placed, and the applicability is high.

3. Through the setting of fin, not only play the fixed action to the lithium cell, can be better moreover with the heat derivation heat dissipation of lithium cell, improve the radiating effect.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic sectional structure diagram of the inner shell of the present invention.

Fig. 3 is a schematic top view of the partition board and the heat sink according to the present invention.

Fig. 4 is a right-side view structural diagram of the housing of the present invention.

The labels in the figures are: 1-outer shell, 2-inner shell, 3-first spring, 4-elastic ring, 5-protective block, 6-dustproof net, 7-first heat dissipation hole, 8-second heat dissipation hole, 9-annular groove, 10-chute, 11-slider, 12-second spring, 13-partition, 14-heat dissipation fin, 15-end cover, 16-handle.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Those not described in detail in this specification are within the skill of the art. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, 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. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 4, the lithium battery case provided in this embodiment, including shell 1, inner shell 2, first spring 3, elastic ring 4, protection block 5, and dust screen 6, the inside diapire of shell 1 is fixed with a plurality of first springs 3, the top of first spring 3 is fixed with inner shell 2, first louvre 7 has all been seted up to the lateral wall and the diapire of inner shell 2, second louvre 8 has been seted up to the lateral wall of shell 1, the embedded dust screen 6 that is equipped with of second louvre 8, the cover is equipped with elastic ring 4 on the lateral wall of inner shell 2 lower part, in this embodiment, elastic ring 4 is the silica gel circle, ring channel 9 has been seted up to the inside wall of shell 1 lower part, a part of elastic ring 4 is located ring channel 9, be fixed with protection block 5 on the outside wall of shell 1, the top of shell 1 is equipped with end cover 15, the top of end cover 15 is equipped with handle 16. The heat dissipation in the horizontal and vertical directions is achieved through the arrangement of the first heat dissipation holes 7, and the heat dissipation is performed through the discharge of the second heat dissipation holes 8; due to the arrangement of the dustproof net 6, the dustproof function is achieved while heat dissipation is guaranteed; the vibration suffered by the inner shell 2 is reduced through the arrangement of the first spring 3, and the vibration suffered by the inner shell 2 is further reduced through the combination of two different vibration reduction modes by combining the arrangement of the elastic ring 4, so that the service life of the lithium battery in the inner shell 2 is prolonged; through the setting of protection piece 5, play the cushioning effect when the striking is received to shell 1, and then reduce the vibrations that inner shell 2 and interior lithium cell received, it is good to the lithium cell protectiveness.

Further, two chutes 10 have been seted up to the inside diapire of inner shell 2, equal sliding connection has slider 11 in every chute 10, and the left and right sides wall of slider 11 all is fixed with second spring 12, and the outer end of second spring 12 is fixed on the lateral wall of chute 10, and the top of every slider 11 all is fixed with baffle 13. The internal space of inner shell 2 is separated through the setting of baffle 13 to combine slider 11 and second spring 12, make baffle 13 position adjustable, the placing of the lithium cell of applicable different specifications, the suitability is high.

Further, a plurality of heat radiating fins 14 are fixed to both left and right side walls of each partition plate 13. Through the setting of fin 14, not only play the fixed action to the lithium cell, can be better with the heat derivation heat dissipation of lithium cell moreover, improve the radiating effect.

Further, the protection block 5 is wavy, and specifically, the protection block 5 is made of rubber. Has good impact resistance.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A lithium battery case characterized in that:

comprises an outer shell, an inner shell, a first spring, an elastic ring, a protective block and a dust screen;

a plurality of first springs are fixed on the bottom wall in the outer shell, and an inner shell is fixed at the top ends of the first springs;

the side wall and the bottom wall of the inner shell are both provided with first heat dissipation holes, the side wall of the outer shell is provided with second heat dissipation holes, and dust screens are embedded in the second heat dissipation holes;

an elastic ring is sleeved on the outer side wall of the lower part of the inner shell, an annular groove is formed in the inner side wall of the lower part of the outer shell, and a part of the elastic ring is located in the annular groove;

and a protective block is fixed on the outer side wall of the shell.

2. The lithium battery cell casing of claim 1, wherein:

two chutes are formed in the bottom wall inside the inner shell, each chute is internally provided with a sliding block, the left side wall and the right side wall of each sliding block are respectively fixed with a second spring, the outer end of each second spring is fixed on the side wall of each chute, and a partition plate is fixed at the top of each sliding block.

3. The lithium battery cell casing of claim 2, wherein:

and a plurality of radiating fins are fixed on the left side wall and the right side wall of each partition plate.

4. The lithium battery cell casing of claim 1, wherein:

the protection block is wavy.

5. The lithium battery cell casing of claim 1, wherein:

the protection block is made of rubber.

6. The lithium battery cell casing of claim 1, wherein:

the elastic ring is a silica gel ring or a rubber ring.

7. The lithium battery cell casing of claim 1, wherein:

the top of shell is equipped with the end cover, the top of end cover is equipped with the handle.