CN216354630U

CN216354630U - Energy storage assembly for power battery

Info

Publication number: CN216354630U
Application number: CN202123016098.4U
Authority: CN
Inventors: 王媛; 路宝; 刘应春
Original assignee: Wuhu Etc Battery Ltd
Current assignee: Wuhu Etc Battery Ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-19
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses an energy storage assembly for a power battery, which relates to the technical field of battery energy storage and comprises an upper plastic plate, a lower plastic plate connecting piece and a buffer mechanism, wherein a first through groove is formed in the upper plastic plate, a second through groove is formed in the position, corresponding to the first through groove, of the lower plastic plate, a pole column is installed in the second through groove, the upper end of the pole column is connected to the bottom side of the connecting piece, the upper end of the connecting piece is connected with a connecting block, the buffer mechanism is installed in the first through groove, and the buffer mechanism is used for buffering the telescopic motion of the connecting piece. The connecting block is connected to the busbar, the connecting sheet I and the connecting sheet II are respectively connected to the pole and the connecting block, when the battery is charged and discharged and bulges, the busbar pulls the connecting block to move and compress or stretch the elastic connecting piece, the connecting sheet II pushes the sliding block to move along the sliding groove and compresses the spring for buffering, the phenomenon that the service life of the battery is influenced due to the fact that the battery expands and deforms due to stress in the using process of the busbar or the pole is avoided, and the use safety of the battery is improved.

Description

Energy storage assembly for power battery

Technical Field

The utility model relates to the technical field of battery energy storage, in particular to an energy storage assembly for a power battery.

Background

The power battery is a power source for providing power source for the tool, and is a storage battery for providing power for electric automobiles, electric trains, electric bicycles and golf carts. Most power battery module adopts the battery to hug closely each other in the assembling process to together the battery is fixed under certain pressure, then connect through the busbar between the utmost point post, the battery is at the charge-discharge in-process, and the battery can produce inflation or shrink, and corresponding utmost point post and busbar can the atress, cause busbar or utmost point post can warp, thereby influence the life of battery and take place the incident easily. Therefore, an energy storage assembly for a power battery is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an energy storage assembly for a power battery, which is used for solving the defects in the prior art.

The utility model provides an energy storage component for power battery, moulds board connecting piece and buffer gear including last moulding, down, on mould and be equipped with logical groove one on the board, just it is equipped with logical groove two to mould the position that the board corresponds logical groove one down, it installs utmost point post to lead to in the groove two, the upper end of utmost point post is connected in the bottom side of connecting piece, the upper end of connecting piece is connected with the connecting block, it installs buffer gear to lead to in the groove one, buffer gear is used for buffering the concertina movement of connecting piece.

Preferably, the buffer mechanism comprises a bearing platform installed in the first through groove, the bottom side of the bearing platform abuts against the lower surface of the upper plastic plate, a pair of sliding grooves are formed in the inner wall of the bearing platform, two sliding blocks are connected in the sliding grooves in a sliding mode, springs are installed on one sides of the two sliding blocks, and the other ends of the springs are connected to the inner wall of the bearing platform.

Preferably, the connecting piece comprises a first connecting piece connected to the pole and a second connecting piece connected to the connecting block, an elastic connecting piece is connected between the first connecting piece and the second connecting piece, and two sides of the elastic connecting piece are respectively abutted to one side of the sliding block.

Preferably, the upper plastic plate and the lower plastic plate are clamped with each other, a limiting groove is formed in the second through groove, the inner bottom surface of the limiting groove abuts against the bottom side of the supporting platform and is limited and fixed by the upper plastic plate and the lower plastic plate which are clamped with each other, and an explosion-proof valve is installed at the middle end of the upper plastic plate.

The utility model has the advantages that: the connecting block is connected to the busbar, the connecting sheet I and the connecting sheet II are respectively connected to the pole and the connecting block, when the battery is charged and discharged and bulges, the busbar pulls the connecting block to move and compress or stretch the elastic connecting piece, the connecting sheet II pushes the sliding block to move along the sliding groove and compresses the spring for buffering, the phenomenon that the service life of the battery is influenced due to the fact that the battery expands and deforms due to stress in the using process of the busbar or the pole is avoided, and the use safety of the battery is improved.

Drawings

Fig. 1 and fig. 2 are schematic structural diagrams of the present invention from different overall viewing angles.

Fig. 3 is a schematic view of the overall assembly structure of the present invention.

Fig. 4 is a schematic structural diagram of a connecting block and a buffering mechanism of the present invention.

Wherein: 1, plastic plate mounting; 2-lower plastic plate; 3-a connector; 4-a buffer mechanism; 5, a first through groove; 6-through groove two; 7-pole column; 8-connecting blocks; 9-a supporting platform; 10-a chute; 11-a slide block; 12-a spring; 13-connecting the sheet I; 14-connecting a second sheet; 15-elastic connecting piece; 16-a limiting groove; 17-explosion-proof valve.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-4, an energy storage assembly for power battery, mould board 2 connecting piece 3 and buffer gear 4 under, mould on including, mould and be equipped with logical groove one 5 on the board 1, just it is equipped with logical groove two 6 to mould the position that board 2 corresponds logical groove one 5 down, it installs utmost point post 7 to lead to in the groove two 6, the bottom side in connecting piece 3 is connected to the upper end of utmost point post 7, the upper end of connecting piece 3 is connected with connecting block 8, install buffer gear 4 in leading to the groove one 5, buffer gear 4 is used for buffering the concertina movement of connecting piece 3. The bottom side of the pole 7 is connected with the lower bottom surface of the lower plastic plate 2 in a low mode.

In this embodiment, the buffer mechanism 4 includes a supporting platform 9 installed in the first through groove 5, the bottom side of the supporting platform 9 abuts against the lower surface of the upper plastic plate 1, a pair of sliding grooves 10 are formed in the inner wall of the supporting platform 9, two sliding blocks 11 are connected in the sliding grooves 10 in a sliding mode, springs 12 are installed on one sides of the two sliding blocks 11, and the other ends of the springs 12 are connected to the inner wall of the supporting platform 9. The sliding block 11 and the bearing platform 9 are made of insulating materials.

In this embodiment, the connecting member 3 includes a first connecting piece 13 connected to the pole 7 and a second connecting piece 14 connected to the connecting block 8, an elastic connecting member 15 is connected between the first connecting piece 13 and the second connecting piece 14, and two sides of the elastic connecting member 15 respectively abut against one side of the slider 11. The connecting block 8 is connected to the busbar, and the pole 7, the connecting block 8, the connecting piece 3 and the busbar can be fixed together by laser welding or other connection forms.

In this embodiment, the upper plastic plate 1 and the lower plastic plate 2 are clamped with each other, the second through groove 6 is provided with a limiting groove 16, the inner bottom surface of the limiting groove 16 abuts against the bottom side of the supporting platform 9 and is limited and fixed by the upper plastic plate 1 and the lower plastic plate 2 which are clamped with each other, and the explosion-proof valve 17 is installed at the middle end of the upper plastic plate 1. And the lower plastic plate 2 is provided with a vent hole communicated with the explosion-proof valve 17.

The working principle of the utility model is as follows: connecting the upper end surface of the pole 7 to the first connecting sheet 13, connecting the lower end surface of the connecting block 8 to the second connecting sheet 14, connecting the bottom end of the pole 7 to the positive and negative electrodes of the battery, then integrally installing the installation in the second through groove 6 of the lower plastic plate 2, enabling the bottom side of the pole 7 to abut against the lower bottom surface of the lower plastic plate 2, then sleeving the support platform 9 on the pole 7, abutting the lower bottom surface of the support platform 9 against the inner bottom surface of the limiting groove 16, abutting the sliding block 11 against the two sides of the elastic connecting piece 15 and the pole 7, extending the connecting block 8 out of the upper end surface of the support platform 9, connecting the connecting block 8 with the connecting blocks 8 of other batteries through the busbar, when the battery bulges and deforms and pulls the connecting block 8 through the busbar, the connecting block 8 drives the second connecting sheet 14 to move along the stress direction, at the moment, the elastic connecting piece 15 is stressed and stretched or compressed, the second connecting block 14 pushes the sliding block 11 to slide along the chute 10, and the spring 12 is compressed to perform a buffering operation, and the explosion-proof valve 17 performs a pressure discharge operation when the electromotive force battery is excessively high.

According to the utility model, the connecting block 8 is connected to the busbar, the connecting sheet I13 and the connecting sheet II 14 are respectively connected to the pole 7 and the connecting block 8, when the battery is charged and discharged and bulges, the busbar pulls the connecting block 8 to move and compresses or stretches the elastic connecting piece 15, the connecting sheet II 14 pushes the sliding block 11 to move along the sliding groove 10 and compress the spring 12 for buffering, the phenomenon that the service life of the battery is influenced due to the deformation of the battery due to the expansion and stress of the battery in the use process of the busbar or the pole 7 is avoided, and the use safety of the battery is improved.

It will be appreciated by those skilled in the art that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the utility model are intended to be embraced therein.

Claims

1. The utility model provides an energy storage component for power battery which characterized in that: mould board (1), mould board (2), connecting piece (3) and buffer gear (4) down including last, on mould and be equipped with logical groove one (5) on board (1), just it is equipped with logical groove two (6) to mould the position that board (2) correspond logical groove one (5) down, it installs utmost point post (7) to lead to in groove two (6), the bottom side in connecting piece (3) is connected to the upper end of utmost point post (7), the upper end of connecting piece (3) is connected with connecting block (8), install buffer gear (4) in leading to groove one (5), buffer gear (4) are used for buffering the concertina movement of connecting piece (3).

2. The energy storage assembly for the power battery as claimed in claim 1, wherein: buffer gear (4) including installing bearing platform (9) in leading to groove one (5), the bottom side butt of bearing platform (9) is in last lower surface of moulding board (1), be equipped with a pair of spout (10) on the inner wall of bearing platform (9), it is a pair of spout (10) sliding connection has two sliders (11), two in spout (10) sliding connection has spring (12) all to install one side of slider (11), and the other end of spring (12) is connected on the inner wall of bearing platform (9).

3. An energy storage assembly for a power battery according to claim 2, wherein: the connecting piece (3) comprises a first connecting piece (13) connected to the pole (7) and a second connecting piece (14) connected to the connecting block (8), an elastic connecting piece (15) is connected between the first connecting piece (13) and the second connecting piece (14), and two sides of the elastic connecting piece (15) are respectively abutted to one side of the sliding block (11).

4. An energy storage assembly for a power battery according to claim 2, wherein: the upper plastic plate (1) and the lower plastic plate (2) are clamped with each other, a limiting groove (16) is formed in the through groove two (6), the inner bottom surface of the limiting groove (16) is abutted to the bottom side of the bearing platform (9), the upper plastic plate (1) and the lower plastic plate (2) are limited and fixed through the mutual clamping, and the explosion-proof valve (17) is installed at the middle end position of the upper plastic plate (1).