CN216958295U

CN216958295U - Battery module of electric vehicle

Info

Publication number: CN216958295U
Application number: CN202122945776.9U
Authority: CN
Inventors: 王坚; 谢仁刚
Original assignee: Guangdong Zhongke Tengyue Technology Co ltd
Current assignee: Guangdong Zhongke Tengyue Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-07-12
Anticipated expiration: 2031-11-26

Abstract

The utility model provides an electric vehicle battery module, which comprises a shell, a battery cell module, a cap, a bottom cover, a screw rod, a protection box and a cover plate, wherein the battery cell module is contained in the shell, the screw rod is inserted into the battery cell module and extends out of two ends of the battery cell module, one end of the screw rod extends into the protection box and is fixedly screwed with the protection box, the other end of the screw rod penetrates through the cap and extends into the bottom cover and is fixedly screwed with the bottom cover, the cover plate is fixedly clamped with the protection box and is abutted to the shell, and the bottom cover is arranged at one end, far away from the cover plate, of the shell. Cover plate and bottom can be fixed on the shell directly through the screw rod, need not weld nut on the shell for the space that can utilize at the shell is bigger, reduces the clearance between shell and bottom, the apron, can play better water-proof effects.

Description

Battery module of electric vehicle

Technical Field

The utility model relates to the technical field of battery modules, in particular to a battery module of an electric vehicle.

Background

Along with the enhancement of global environmental protection consciousness, in order to respond to the environmental protection policy of energy saving and carbon reduction, the electric vehicle is gradually favored by people, is pollution-free, meets the environmental protection requirement, is safe and quick, and is used more and more widely. The battery of the electric vehicle is used as a main power source of the electric vehicle, and the service performance of the electric vehicle is directly influenced by the quality of the battery of the electric vehicle. Current electric motor car battery generally includes shell and battery module, and the mounting means between battery module and the shell is generally more complicated, can generally adopt to weld on the shell and establish the nut or directly increase the fastness of battery module installation to lid welded fastening's mode, like this when the battery module after the problem appears, the maintenance of the battery module of being not convenient for is changed.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a battery module for an electric vehicle.

The utility model is realized by the following technical scheme:

the utility model provides an electric vehicle battery module which comprises a shell, an electric core module, a cover cap, a bottom cap, a screw rod, a protection box and a cover plate, wherein the electric core module is accommodated in the shell, the screw rod is inserted into the electric core module and extends out from two ends of the electric core module, one end of the screw rod extends into the protection box and is fixedly screwed with the protection box, the other end of the screw rod penetrates through the cover cap and extends into the bottom cap and is fixedly screwed with the bottom cap, the cover plate is fixedly clamped with the protection box and is abutted against the shell, and the bottom cap is arranged at one end, far away from the cover plate, of the shell.

Furthermore, both ends of the screw rod are provided with threads.

Furthermore, a through groove is formed in the battery cell module, and the screw rod penetrates through the through groove.

Furthermore, a positioning hole is formed in the cap, an accommodating groove is formed in the bottom cover, and the screw penetrates through the positioning hole and then extends into the accommodating groove.

Furthermore, a through hole is formed in the protection box, and the screw penetrates through the through hole and is fixed to the protection box through a nut.

Furthermore, the battery cell module further comprises a protection circuit board and a wire, wherein the wire is electrically connected with the protection circuit board, and the protection circuit board is fixedly installed in the protection box.

The utility model has the beneficial effects that:

the battery module of the electric vehicle provided by the utility model has the advantages that the through grooves are formed in the gaps among the batteries in the electric core module, the long screw rod penetrates through the whole through groove, and the bottom cover and the cover plate are fixedly connected to the shell, so that the sealing effect is achieved, the battery module can be conveniently assembled, disassembled and maintained, nuts do not need to be welded on the inner side corners of the shell, the using space of the shell is enlarged, connecting gaps among the shell, the bottom cover and the cover plate are reduced, and the waterproof effect is also well improved.

Drawings

FIG. 1 is an exploded view of a battery module of an electric vehicle according to the present invention;

fig. 2 is a perspective view of an electric vehicle battery module according to the present invention.

Detailed Description

In order to more clearly and completely describe the technical scheme of the utility model, the utility model is further described with reference to the accompanying drawings.

Referring to fig. 1, the present invention provides an electric vehicle battery module, which includes a housing 10, a cell module 11, a cap 15, a bottom cover 17, a screw 19, a protection box 21, and a cover plate 23, where the cell module 11 is accommodated in the housing 10, the screw 19 is inserted into the cell module 11 and extends out from two ends of the cell module 11, one end of the screw 19 extends into the protection box 21 and is fixedly screwed with the protection box 21, the other end of the screw 19 extends into the bottom cover 17 through the cap 15 and is fixedly screwed with the bottom cover 17, the cover plate 23 is fixedly fastened with the protection box 21 and abuts against the housing 10, and the bottom cover 17 is covered on one end of the housing 10 away from the cover plate 23. Both ends of the screw rod 19 are provided with threads 20. A through groove 14 is formed in the battery cell module 11, and the screw rod 19 penetrates through the through groove 14.

In the present embodiment, the screw rod 19 has a long length, and can be inserted into the through slot 14 to extend out of the two ends of the battery cell module 11 for mounting a nut. The screw rod 19 is provided with threads 20 on the outer circumference of both ends thereof, so that the screw rod 19 can be used in cooperation with a nut. The through groove 14 is arranged on a bracket on the battery cell module.

Furthermore, a positioning hole 16 is formed in the cap 15, an accommodating groove 18 is formed in the bottom cover 17, and the screw rod 19 penetrates through the positioning hole 16 and then extends into the accommodating groove 18.

In the present embodiment, the positioning hole 16 is located opposite to the through slot 14, the screw rod 19 first passes through the positioning hole 16 and then extends into the receiving slot 18, and a nut is installed in the receiving slot 18 to be screwed with the screw rod 19, so that the bottom cover 17 can be fixedly screwed with the screw rod 19.

Furthermore, a through hole 22 is formed in the protection box 21, and the screw rod 19 penetrates through the through hole 22 and is fixed on the protection box 21 through a nut.

In the present embodiment, after the screw 19 passes through the protective case 21, the screw 19 and the protective case 21 are fixed by a nut.

Further, the battery cell module 11 further includes a protection circuit board 12 and a lead 13, the lead 13 is electrically connected to the protection circuit board 12, and the protection circuit board 12 is fixedly installed in the protection box 21.

In this embodiment, the protection circuit board 12 is fixedly installed in the protection box 21, and does not directly contact with the battery cell module, and the protection box 21 has a good insulation effect and can also protect the protection circuit board 12 against collision to a certain extent.

Of course, the present invention may have other embodiments, and based on the embodiments, other embodiments obtained by persons skilled in the art without any creative work are within the protection scope of the present invention.

Claims

1. The utility model provides an electric motor car battery module, a serial communication port, electric motor car battery module includes shell, electric core module, block, bottom, screw rod, protection box, apron, electric core module accept in the shell, the screw rod inserts in the electric core module and follow the both ends of electric core module are stretched out, the one end of screw rod stretch into in the protection box and with the fixed spiro union of protection box, the other end of screw rod passes the block stretches into in the bottom and with the fixed spiro union of bottom, the apron with the protection box block is fixed and with the shell butt, the bottom lid is established the shell is kept away from the one end of apron.

2. The electric vehicle battery module as recited in claim 1, wherein both ends of the screw are threaded.

3. The electric vehicle battery module of claim 1, wherein a through groove is formed in the cell module, and the screw penetrates through the through groove.

4. The electric vehicle battery module as claimed in claim 1, wherein the cap is provided with a positioning hole, the bottom cap is provided with a receiving groove, and the screw passes through the positioning hole and then extends into the receiving groove.

5. The electric vehicle battery module as claimed in claim 1, wherein a through hole is formed in the protection case, and the screw passes through the through hole and is fixed to the protection case by a nut.

6. The electric vehicle battery module of claim 1, wherein the cell module further comprises a protection circuit board and a wire, the wire is electrically connected with the protection circuit board, and the protection circuit board is fixedly mounted in the protection box.