CN213278246U

CN213278246U - Protective shell for lithium battery pack

Info

Publication number: CN213278246U
Application number: CN202022549574.8U
Authority: CN
Inventors: 陈宇; 杭俊
Original assignee: Shangrao Huayu Zhihang Power Energy Co ltd
Current assignee: Hefei Huayu Smart Power Energy Co Ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-05-25
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a lithium cell group uses protective housing, including protective housing, a plurality of lithium cell has been placed in the protective housing, be equipped with two side U type poles in the protective housing, the gliding spout of confession side U type pole has all been seted up to both sides around the protective housing inner wall, and fixedly connected with is used for promoting the spring that side U type pole removed along the spout in the spout, the opposite side of side U type pole is fixed with protection centre gripping subassembly, and when the lithium cell received vibrations, and protection centre gripping subassembly cushions the lithium cell to the realization is to lithium cell buffer protection, the side of side U type pole is fixed with the wedge. The utility model discloses an above-mentioned isotructure's cooperation has realized that the lithium cell to different specifications that can be simple quick installs fixedly, provides convenience for the dismouting lithium cell, when the lithium cell received vibrations, can cushion the protection to the lithium cell simultaneously, has prolonged the life of lithium cell.

Description

Protective shell for lithium battery pack

Technical Field

The utility model relates to an advantage electron lithium cell group protection technical field specifically is a lithium cell group uses protective housing.

Background

The lithium battery has the advantages of stable discharge voltage, wide working temperature range, low self-discharge rate, long storage life, no memory effect, small volume, light weight, no public hazard and the like, and is gradually substituted for a lead-acid battery and a cadmium-nickel battery at present to become the mainstream of a power battery.

Because the lithium cell to different specifications is difficult for installing fixedly to current protective housing, and fixed effect is not good, is installing fixedly the back to the lithium cell simultaneously, is difficult to carry out buffer protection to the lithium cell for when protective housing received vibrations, cause the harm to the lithium cell easily, reduced the life of lithium cell, consequently need improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell group uses protective housing possesses can be simply quick and installs fixedly to the lithium cell of different specifications, provides convenience for the dismouting lithium cell, when the lithium cell received vibrations, can cushion the protection to the lithium cell simultaneously, has prolonged the life of lithium cell, has solved the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium cell group uses protective housing, includes protective housing, a plurality of lithium cell has been placed in the protective housing, be equipped with two side U type poles in the protective housing, the gliding spout of confession side U type pole has all been seted up to both sides around the protective housing inner wall, and fixedly connected with is used for promoting the spring that side U type pole removed along the spout in the spout, the opposite side of side U type pole is fixed with protection centre gripping subassembly, and when the lithium cell received vibrations, protection centre gripping subassembly cushioned the lithium cell to the realization is to lithium cell buffer protection.

The side of side U type pole is fixed with the wedge, the bottom of protective housing's inner wall is rotated and is connected with the subassembly that pushes down, and rotates the subassembly that pushes down, can promote the removal of side U type pole to the realization is fixed to the centre gripping of lithium cell.

Preferably, the protection clamping assembly comprises a fixing plate fixedly connected to the opposite side of the side U-shaped rod, a groove is formed in the side face of the fixing plate, a second spring is fixedly connected to the inner wall of the groove, a rubber plate used for clamping the lithium battery is fixed to the end portion of the second spring, and a telescopic rod is fixed between the grooves of the rubber plate.

Preferably, the pressing assembly comprises a screw rod rotatably connected to the inner wall of the protective shell, the surface of the screw rod is in threaded connection with two moving sleeves, the moving sleeves are in sliding connection with the inner wall of the protective shell, and an inclined moving block used for pushing the wedge blocks to move is fixed to the side face of each moving sleeve.

Preferably, a limiting block is fixed on the side surface of the movable sleeve, and a limiting groove for the limiting block to move is formed in the inner wall of the protective shell.

Preferably, two limit rings are fixed on the surface of the screw rod.

Preferably, a plurality of air holes are formed in the front side and the rear side of the protective shell.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a set up screw rod, removal cover, stopper, spacing groove, inclined plane movable block and wedge for rotating the screw rod, removing the cover and can driving the inclined plane movable block and remove, can promote the wedge and drive the removal of side U type pole, thereby can drive the removal of protection centre gripping subassembly, it is fixed to realize carrying out the centre gripping to the lithium cell of different specifications, and easy operation is convenient, provides convenience for the dismouting lithium cell.

Two, the utility model discloses a set up fixed plate, recess, spring two, telescopic link and rubber slab for side U type pole removes at driving fixed plate, when realizing that the rubber slab installs the lithium cell fixedly, spring two has played certain cushioning effect, makes when the lithium cell receives vibrations, can cushion the protection to the lithium cell, has prolonged the life of lithium cell.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of the present invention;

fig. 4 is an enlarged view of the structure of the present invention at B.

In the figure: 1. a protective housing; 2. a lithium battery; 3. a side U-shaped bar; 4. a first spring; 5. a wedge block; 6. A fixing plate; 7. a second spring; 8. a rubber plate; 9. a telescopic rod; 10. a screw; 11. moving the sleeve; 12. A slope moving block; 13. a limiting groove; 14. a limiting ring; 15. and (4) air holes.

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 to 4, the present invention provides a technical solution: the utility model provides a lithium cell group uses protective housing, includes protective housing 1, and protective housing 1's top is passed through the bolt and is installed the protective cover, has placed a plurality of lithium cell 2 in protective housing 1, and lithium cell group comprises a plurality of lithium cell 2 series-parallel connection, and the lithium cell 2 specification in same protective housing 1 is the same.

Further, a plurality of air holes 15 are formed in the front side and the rear side of the protective shell 1, the air holes 15 improve the air fluidity between the interior of the protective shell 1 and the outside, and the lithium battery 2 capable of being fine dissipates heat.

Be equipped with two side U type poles 3 in the protective housing 1, the gliding spout of confession side U type pole 3 has all been seted up to both sides around the protective housing 1 inner wall, and fixedly connected with is used for promoting spring 4 that side U type pole 3 removed along the spout in the spout, and the opposite side of side U type pole 3 is fixed with protection centre gripping subassembly, and lithium cell 2 when receiving vibrations, cushions lithium cell 2 to the realization is to lithium cell 2 buffer protection.

Further, protection centre gripping subassembly includes fixed plate 6 of fixed connection on 3 opposite sides of side U type pole, the side of fixed plate 6 is seted up flutedly, and fixedly connected with spring two 7 in the recess, the end fixing of spring two 7 is used for carrying out the rubber slab 8 of centre gripping to lithium cell 2, and be fixed with telescopic link 9 between the recess of rubber slab 8, telescopic link 9 has played limiting displacement to rubber slab 8, under the effect of spring two 7 elasticity, when lithium cell 2 receives vibrations, the shaking force that lithium cell 2 received, can turn into the elastic potential energy of spring two 7 and save, the effect of buffer protection has been played lithium cell 2, lithium cell 2's life has been prolonged.

The side of side U type pole 3 is fixed with wedge 5, and the bottom of the inner wall of protective housing 1 rotates and is connected with the subassembly that pushes down, and rotates the subassembly that pushes down, can promote the removal of side U type pole 3 to the realization is fixed to lithium cell 2's centre gripping.

Further, the pressing component comprises a screw rod 10 rotatably connected to the inner wall of the protective housing 1, a support plate is fixed to the inner wall of the protective housing 1, the top end of the screw rod 10 penetrates through the support plate and is rotatably connected with the support plate, two moving sleeves 11 are in threaded connection with the surface of the screw rod 10, the moving sleeves 11 are in sliding connection with the inner wall of the protective housing 1, an inclined plane moving block 12 for pushing the wedge block 5 to move is fixed to the side surface of each moving sleeve 11, when the lithium battery 2 needs to be installed and fixed, the lithium battery 2 is firstly placed between the fixed plate 6 and the rubber plate 8, then the screw rod 10 is rotated, because the screw rod 10 is in threaded connection with the moving sleeves 11, and the rotation of the moving sleeves 11 is limited by a limiting block and a limiting groove 13, the moving sleeves 11 can drive the inclined plane moving block 12 to move downwards, and the inclined plane moving block 12, thereby can promote the removal of side U type pole 3, and then can drive fixed plate 6 and rubber slab 8 and remove to the realization carries out the centre gripping to the lithium cell 2 of different specifications and fixes, and easy operation is convenient, provides convenience for dismouting lithium cell 2.

Further, a limiting block is fixed on the side surface of the movable sleeve 11, a limiting groove 13 for the limiting block to move is formed in the inner wall of the protective shell 1, and the limiting block and the limiting groove 13 limit the rotation of the movable sleeve 11, so that the movable sleeve 11 can move on the surface of the screw rod 10.

Furthermore, two limit rings 14 are fixed on the surface of the screw 10, and the limit rings 14 prevent the moving sleeve 11 from driving the inclined plane moving block 12 to move excessively and separating from the wedge block 5.

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. The utility model provides a lithium cell group uses protective housing, includes protective housing (1), its characterized in that: the lithium battery protection device is characterized in that a plurality of lithium batteries (2) are placed in the protection shell (1), two side U-shaped rods (3) are arranged in the protection shell (1), sliding grooves for the side U-shaped rods (3) to slide are formed in the front side and the rear side of the inner wall of the protection shell (1), a first spring (4) for pushing the side U-shaped rods (3) to move along the sliding grooves is fixedly connected in the sliding grooves, protection clamping assemblies are fixed on the opposite sides of the side U-shaped rods (3), and when the lithium batteries (2) are vibrated, the protection clamping assemblies buffer the lithium batteries (2) so as to realize the buffer protection of the lithium batteries (2);

the side of side U type pole (3) is fixed with wedge (5), the bottom of the inner wall of protective housing (1) is rotated and is connected with and pushes down the subassembly, and rotates and push down the subassembly, can promote the removal of side U type pole (3) to the realization is fixed to the centre gripping of lithium cell (2).

2. The protective shell for the lithium battery pack according to claim 1, wherein: the protection clamping assembly comprises a fixing plate (6) fixedly connected to the opposite side of the side U-shaped rod (3), a groove is formed in the side face of the fixing plate (6), a second spring (7) is fixedly connected to the inner wall of the groove, a rubber plate (8) used for clamping the lithium battery (2) is fixed to the end portion of the second spring (7), and a telescopic rod (9) is fixed between the grooves of the rubber plate (8).

3. The protective shell for the lithium battery pack according to claim 1, wherein: the push-down assembly comprises a screw rod (10) rotatably connected to the inner wall of the protective shell (1), the surface of the screw rod (10) is in threaded connection with two movable sleeves (11), the movable sleeves (11) are in sliding connection with the inner wall of the protective shell (1), and inclined plane movable blocks (12) used for pushing the wedge blocks (5) to move are fixed to the side faces of the movable sleeves (11).

4. The protective shell for the lithium battery pack according to claim 3, wherein: the side of the movable sleeve (11) is fixed with a limiting block, and the inner wall of the protective shell (1) is provided with a limiting groove (13) for the limiting block to move.

5. The protective shell for the lithium battery pack according to claim 3, wherein: two limiting rings (14) are fixed on the surface of the screw (10).

6. The protective shell for the lithium battery pack according to claim 1, wherein: a plurality of air holes (15) are formed in the front side and the rear side of the protective shell (1).