CN216529120U

CN216529120U - Lithium battery module case

Info

Publication number: CN216529120U
Application number: CN202123454975.6U
Authority: CN
Inventors: 崔晨; 崔巍
Original assignee: Chenyiteng Industrial Suzhou Co ltd
Current assignee: Chenyiteng Industrial Suzhou Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-13
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a lithium battery module box which comprises a box body, a cover body and a support frame arranged in the box body, wherein the box body is provided with an accommodating cavity, the cover body is aligned and assembled with the outer surface of the box body, the thickness of the side wall of the box body is larger than that of the side wall of the cover body, a clamping step is formed at the assembling position of the box body and the cover body, the support frame comprises four vertical rods positioned at four corners, two ejector rods fixed at the top ends of the four vertical rods, a bottom plate fixed at the bottom ends of the four vertical rods and cross rods sequentially connected with the four vertical rods, the two ejector rods are parallel to each other and extend outwards from the support frame, a battery unit is arranged in the support frame, the support frame is arranged in the accommodating cavity of the box body, the two ejector rods of the support frame are abutted against the two clamping steps, a partition plate is horizontally arranged in the cover body, and the two ejector rods are tightly pressed by the partition plate. When the battery unit needs to be disassembled, the support frame and the battery unit are integrally taken out of the box body, and the battery unit is convenient to take out and carry.

Description

Lithium battery module case

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery module box.

Background

CN103151478A discloses an anticollision lithium cell case, including the box, the box outside has set firmly the baffle-box, and the splendid attire has the buffering body that relies on self elasticity buffering exogenic action in the baffle-box. The buffer body is an elastic ball with elasticity. The buffer box is a hollow outer elliptical ball with the length direction consistent with the extending direction of the corresponding side of the box body. The elastic ball is an inner elliptical ball with the length direction perpendicular to that of the outer elliptical ball, and an auxiliary elliptical ball with the length direction consistent with that of the inner elliptical ball is arranged in a gap between the end parts of the adjacent inner elliptical balls. The inner elliptical ball is a solid ball or a hollow ball filled with compressed gas. The anti-collision lithium battery box adopting the structure is reasonable in structure, and can effectively buffer impact force and provide reliable protection for the lithium battery. There is a disadvantage in that the battery unit is not conveniently taken out and carried when the battery unit needs to be replaced.

Therefore, it is desirable to provide a lithium battery module case to overcome the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the existing battery unit is inconvenient to take out and carry, and provides a lithium battery module box.

In order to achieve the purpose, the utility model adopts the following technical scheme: a lithium battery module box comprises a box body, a cover body covered on the box body, and a support frame arranged in the box body, wherein the box body is provided with a containing cavity, the cover body is aligned and assembled with the outer surface of the box body, the thickness of the side wall of the box body is larger than that of the side wall of the cover body, a clamping step is formed at the assembly position of the box body and the cover body, the support frame comprises four vertical rods positioned at four corners, two ejector rods fixed at the top ends of the four vertical rods, a bottom plate fixed at the bottom ends of the four vertical rods and cross rods sequentially connecting the four vertical rods, the two ejector rods are parallel to each other and extend out of the support frame, a battery unit is arranged in the support frame, the support frame is arranged in the containing cavity of the box body, the two ejector rods of the support frame are abutted against the two clamping steps, and a partition plate is horizontally arranged in the cover body, the partition plate compresses the two ejector rods.

The cover body and the box body are fixed through screws.

The bottom plate is provided with a plurality of through holes.

The inside of the cover body is divided into an upper space and a lower space by the partition board, and a plurality of buffer tubes are vertically arranged in the upper space.

The cover body is internally provided with a sliding groove for inserting the clapboard.

The buffer tube comprises an upper section circular tube, a transition section and a lower section circular tube which are integrally formed, the outer diameter of the upper section circular tube is smaller than that of the lower section circular tube, and the inner diameter of the upper section circular tube is smaller than that of the lower section circular tube.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that: the supporting frame is used for accommodating the battery unit, when the battery unit needs to be installed, the supporting frame and the battery unit are integrally transported and installed in the accommodating cavity of the box body, the two ejector rods of the supporting frame are abutted against the two clamping steps, and the two ejector rods are tightly pressed by the partition plate of the cover body to prevent looseness; when the battery unit needs to be disassembled, the support frame and the battery unit are integrally taken out of the box body, and the battery unit is convenient to take out and carry.

Drawings

Fig. 1 is a schematic structural view of a lithium battery module case according to the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic view of the supporting frame of FIG. 3;

fig. 5 is a right side view of fig. 4.

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 5, the present invention is a lithium battery module box, including a box body 1, a cover body 2 covering the box body 1, and a support frame 3 installed in the box body 1, wherein the support frame 3 is detachably connected to the box body 1, so as to facilitate the overall carrying of a battery unit 4.

Referring to fig. 3, the case 1 has a receiving cavity 11 receiving the battery unit 4, and referring to fig. 1 and 2, a connection terminal 12 is mounted to one side of the case 1. The cover body 2 is aligned and assembled with the outer surface of the box body 1, the thickness of the side wall of the box body 1 is larger than that of the side wall of the cover body 2, and a clamping step 5 is formed at the assembling position of the box body 1 and the cover body 2.

Referring to fig. 3, a partition plate 21 is horizontally arranged in the cover body 2, the partition plate 21 divides the inside of the cover body 2 into an upper space 22 and a lower space 23, a plurality of buffer tubes 24 are vertically arranged in the upper space 22, when the cover body 2 is impacted by external small impact force, the buffer tubes 24 are not deformed, and when the cover body 2 is impacted by external large impact force, the buffer tubes 24 are deformed to play a role in buffering and energy absorption and avoid damaging the battery unit 4.

In this embodiment, the lid body 2 is provided with a slide groove 25 for inserting the partition plate 21.

With continued reference to fig. 3, the buffer tube 24 includes an upper round tube 241, a transition section 242, and a lower round tube 243 that are integrally formed, the outer diameter of the upper round tube 241 is smaller than the outer diameter of the lower round tube 243, and the inner diameter of the upper round tube 241 is smaller than the inner diameter of the lower round tube 243, so that when the buffer tube 24 is subjected to a large impact force, the upper round tube 241 is curled deeply into the lower round tube 243 to perform buffering and energy absorption functions.

Referring to fig. 4, the supporting frame 3 includes four vertical rods 31 located at four corners, two top rods 32 fixed to the top ends of the four vertical rods 31, a bottom plate 33 fixed to the bottom ends of the four vertical rods 31, and cross rods 34 connected to the four vertical rods 31 in sequence, the two top rods 32 are parallel to each other and extend out of the supporting frame 3, a plurality of through holes (not shown) are formed in the bottom plate 33, and the through holes are heat dissipation holes to dissipate heat. The battery unit 4 is arranged in the support frame 3, so that the battery unit 4 is convenient to integrally carry.

The supporting frame 3 is arranged in the containing cavity 11 of the box body 1, the two ejector rods 32 of the supporting frame 3 are propped against the two clamping steps 5, and the partition plate 21 of the cover body 2 compresses the two ejector rods 32 to prevent looseness. The cover body 2 and the box body 1 are fixed through screws.

According to the utility model, the support frame 3 is arranged for accommodating the battery unit 4, when the battery unit 4 needs to be installed, the support frame 3 and the battery unit 4 are integrally transported and installed in the accommodating cavity 11 of the box body 1, the two ejector rods 32 of the support frame 3 are abutted against the two clamping steps 5, and the two ejector rods 32 are tightly pressed by the partition plate 21 of the cover body 2, so that looseness is prevented; when the battery unit 4 needs to be detached, the support frame 3 and the battery unit 4 are integrally taken out of the box body 1, and the battery unit 4 is convenient to take out and carry.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A lithium battery module box is characterized by comprising a box body, a cover body covered on the box body, and a support frame installed in the box body, wherein the box body is provided with a containing cavity, the cover body is aligned and assembled with the outer surface of the box body, the side wall thickness of the box body is larger than that of the cover body, a clamping step is formed at the assembling position of the box body and the cover body, the support frame comprises four vertical rods positioned at four corners, two ejector rods fixed at the top ends of the four vertical rods, a bottom plate fixed at the bottom ends of the four vertical rods and cross rods sequentially connecting the four vertical rods, the two ejector rods are parallel to each other and extend outwards of the support frame, a battery unit is installed in the support frame, the support frame is installed in the containing cavity of the box body, the two ejector rods of the support frame are abutted against the two clamping steps, and a partition plate is horizontally arranged in the cover body, the partition plate compresses the two ejector rods.

2. The lithium battery module case of claim 1, wherein the cover is secured to the case body by screws.

3. The lithium battery module case of claim 1, wherein the base plate is provided with a plurality of through holes.

4. The lithium battery module case of claim 2, wherein the partition divides the interior of the cover into an upper space and a lower space, and a plurality of buffer tubes are vertically disposed in the upper space.

5. The lithium battery module case of claim 4, wherein the cover body is internally provided with a sliding groove for inserting the partition plate.

6. The lithium battery module box of claim 5, wherein the buffer tube comprises an integrally formed upper section circular tube, a transition section, and a lower section circular tube, wherein the upper section circular tube has an outer diameter smaller than an outer diameter of the lower section circular tube, and the upper section circular tube has an inner diameter smaller than an inner diameter of the lower section circular tube.