CN213124601U

CN213124601U - Cylindrical battery cell combined bracket

Info

Publication number: CN213124601U
Application number: CN202021260043.0U
Authority: CN
Inventors: 李运生; 蔡志坚; 祝威; 黄志琛
Original assignee: Anhui Lvwo Recycling Energy Technology Co Ltd
Current assignee: Anhui Lvwo Recycling Energy Technology Co Ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-05-04
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a cylindrical battery cell combined bracket, which comprises a first bracket and a second bracket which are oppositely arranged; honeycomb grooves for respectively fixing two ends of the plurality of cylindrical battery cells are formed in the sides, close to each other, of the first support and the second support; insulation baffles which are correspondingly connected are arranged on the peripheral sides of the first bracket and the second bracket; the first bracket is provided with a plurality of fixing columns which are arranged along the direction close to the second bracket, and the fixing columns are provided with thread grooves; the second support is provided with guide columns which correspond to the fixing columns one by one, and the guide columns are provided with through holes for bolts to pass through; the bolt passes through the via hole and is matched with the thread groove to fix the first support and the second support. The first bracket and the second bracket of the utility model are respectively provided with a fixed column and a guide column; when fixed, only need through the bolt with the fixed column with the guide post cooperate fixed can, for the fixed support that provides of electric core, simple structure connects firmly, has improved assembly efficiency.

Description

Cylindrical battery cell combined bracket

[ technical field ] A method for producing a semiconductor device

The utility model relates to a battery accessories technical field especially relates to a cylindrical electric core sectional shelf-unit.

[ background of the invention ]

In the new energy automobile market, the battery pack used by the existing hybrid electric vehicle and pure electric vehicle is formed into a whole by a support and then connected with a plurality of electric cores in series or in parallel by welding sheets, wherein the support is divided into a front sheet and a rear sheet which are sleeved at two ends of the battery, and the battery is arranged in the support in a rectangular shape from top to bottom and from left to right. The battery pack is not fixed by the filling insertion plate, which has poor stability and affects the safety of the battery pack.

In view of the above, it is desirable to provide a cylindrical cell assembling bracket to overcome the above-mentioned drawbacks.

[ Utility model ] content

The utility model aims at providing a cylindrical electric core sectional shelf-unit, it is complicated to aim at improving current battery module inner structure, and the loaded down with trivial details problem of manufacturing process improves the fixed stability of battery module.

In order to achieve the above object, the present invention provides a cylindrical battery cell combination bracket for fixing a plurality of cylindrical battery cells, which includes a first bracket and a second bracket arranged oppositely; honeycomb grooves for respectively fixing two ends of the plurality of cylindrical battery cells are formed in the sides, close to each other, of the first support and the second support; insulation baffles which are correspondingly connected are arranged on the peripheral sides of the first bracket and the second bracket; the first bracket is provided with a plurality of fixing columns which are arranged along the direction close to the second bracket, and the fixing columns are provided with thread grooves; the second support is provided with guide columns which correspond to the fixing columns one by one, and the guide columns are provided with through holes for bolts to pass through; the bolt penetrates through the through hole to be matched with the thread groove to fix the first support and the second support.

In a preferred embodiment, the insulating baffle of the first bracket is provided with a plurality of buckles, and the insulating baffle of the second bracket is provided with clamping grooves corresponding to the buckles one by one; the first support and the second support are pre-fixed by the buckle and the clamping groove.

In a preferred embodiment, the fixing columns are arranged in three rows at intervals; the two rows of fixing columns are fixed on the side, close to each other, of the insulating baffle of the first support, and the last row of fixing columns is arranged in the middle of the first support.

In a preferred embodiment, one end of the first bracket and one end of the second bracket, which are far away from each other, are provided with an electric connection groove; the electrical connection slot includes a sidewall having an opening; the openings of the side walls of the two electrical connection grooves face in opposite directions.

In a preferred embodiment, two ends of the insulating baffle of the first bracket and the second bracket are respectively provided with a semicircular groove at one side close to each other; and the two pairs of semi-circular grooves are matched to form a water inlet and a water outlet which are used for connecting the liquid cooling pipeline.

In a preferred embodiment, the sides of the first bracket and the second bracket, which face away from each other, are provided with isolation ribs; the isolation ribs are strip-shaped bulges and are used for supporting the isolation bus board.

In a preferred embodiment, the first bracket and the second bracket are both provided with a plurality of lightening holes.

The utility model fixes a plurality of electric cores through the first bracket and the second bracket, and the first bracket and the second bracket are respectively provided with a fixed column and a guide column; when fixed, only need through the bolt with the fixed column with the guide post cooperate fixed can, for the fixed support that provides of electric core, simple structure connects firmly, has improved assembly efficiency.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a perspective view of a cylindrical battery cell combination support provided by the present invention when not assembled;

fig. 2 is a perspective view of the cylindrical cell assembly holder shown in fig. 1;

fig. 3 is a cross-sectional view of the cylindrical cell assembly support shown in fig. 1.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only and not by way of limitation.

The utility model provides a cylindrical electric core sectional shelf-unit 100 for fixed a plurality of cylindrical electric cores. Wherein, a plurality of cylindrical electric cores are the array setting, carry out corresponding series-parallel connection according to the demand.

As shown in fig. 1 to fig. 3, the cylindrical battery cell combination support 100 includes a first support 10 and a second support 20, which are disposed opposite to each other. In this embodiment, each of the first bracket 10 and the second bracket 20 includes a rectangular bottom wall 31 and a side wall extending perpendicularly from an edge of the bottom wall 31, where the side wall is an insulating barrier 32 and plays a role in insulation and isolation. The bottom wall 31 and the side wall 32 enclose to form an accommodating groove 33, and the two accommodating grooves 33 cover each other to accommodate the cylindrical battery cell. The mutually close sides of the bottom walls 31 of the first support 10 and the second support 20 are respectively provided with a honeycomb groove 40 for respectively fixing two ends of a plurality of cylindrical battery cells, and the bottom wall of the honeycomb groove 40 is provided with a through hole 41 for passing through an electrode.

The first bracket 10 is provided with a plurality of fixing columns 11 arranged along the direction close to the second bracket 20, and the fixing columns 11 are vertically arranged on the bottom wall 31 and provided with thread grooves 12. In other embodiments, a nut may be embedded at one end of the fixing post 11 close to the second bracket 20. The second bracket 20 is provided with guide posts 21 corresponding to the fixing posts 11 one by one, and the guide posts 21 are provided with through holes 22 for the bolts 50 to pass through. As shown in fig. 3, the fixing posts 11 are aligned with the guide posts 21 one by one, the bolts 50 pass through the through holes 22 to be matched with the thread grooves 12 to fix the first bracket 10 and the second bracket 20, and the fixing posts 11 and the guide posts 21 act together to support the first bracket 10 and the second bracket 20, so as to prevent external force from pressing the cylindrical battery cells accommodated therein. Therefore, the technical scheme has the advantages of simple structure, simple and convenient assembly process and improvement of assembly efficiency.

Specifically, the fixed columns 11 are arranged in three rows at intervals, each row of the fixed columns 11 comprises a plurality of fixed columns 11 arranged at intervals, namely the fixed columns 11 are divided into three parts and cover the bottom wall 31 of the first support 10 as comprehensively as possible, and therefore the stress of the fixed columns 11 is balanced. Wherein, two rows of fixed columns 11 are fixed on the side of the first bracket 10 close to the insulating baffle 32, that is, the two rows of fixed columns 11 are attached to and fixed with the inner wall of the insulating baffle 32, and the fixed columns 11 provide fixing strength for the insulating baffle 32 while taking into account the supporting function. The last row of fixing columns 11 is arranged in the middle of the first support 10, namely in the middle of the other two rows of fixing columns 11, so that the middle of the first support 10 is prevented from being depressed and deformed, and the safety of the battery cell is further prevented from being affected. It can be understood that the guide posts 21 of the second bracket 20 are disposed in one-to-one correspondence with the fixing posts 11, and thus, the arrangement and the function of the guide posts 21 are consistent with those of the fixing posts.

Further, in one embodiment, as shown in fig. 1, the insulating barrier 32 of the first bracket 10 is provided with a plurality of buckles 13, and the buckles 13 extend out of the insulating barrier 32; the insulating baffle 32 of the second bracket 20 is provided with clamping grooves 23 corresponding to the buckles 13 one by one. When the first bracket 10 abuts against the second bracket 20, the buckle 13 extends into the clamping groove 23 and is buckled with the clamping groove 23 to pre-fix the first bracket 10 and the second bracket 20, so that the subsequent fixing column 11 and the guide column 21 can be assembled conveniently.

Further, in an embodiment, as shown in fig. 2, one end of the first support 10 and one end of the second support 20, which are away from each other, are provided with an electrical connection groove 34, and the electrical connection groove 34 is used for placing a total positive terminal and a total negative terminal after the plurality of battery cells are connected in series and in parallel. In this embodiment, two electrical connection slots 34 are disposed at two ends of a diagonal line on the same side of the cylindrical battery cell combination support 100. The electrical connection groove 34 comprises a side wall with an opening, wherein the electrical connection groove 34 is rectangular and one of the faces of the side wall is designed as a through opening. The opening orientation direction of the lateral wall of two electric connection grooves 34 is opposite, when a plurality of cylindrical electric core integrated support 100 pile up each other, and the electric connection groove 34 that is equipped with total positive pole of a cylindrical electric core integrated support 100 draws forth the end is close to each other with the electric connection groove 34 that is equipped with total negative pole of adjacent cylindrical electric core integrated support 100 and draws forth the end, and at this moment, the mutual butt of lateral wall of two electric connection grooves 34, the opening communicates each other, is convenient for arrange the flexible busbar (not shown in the figure) of electricity connection.

Further, in one embodiment, as shown in fig. 1 and 3, both ends of the insulating barrier 32 of the first bracket 10 and the second bracket 20 are provided with a semicircular groove 321 on the sides close to each other; the two pairs of semi-circular grooves 321 cooperate to form a water inlet and a water outlet for connecting the liquid cooling pipes. Specifically, semicircular grooves 321 have been all seted up at the position of the central axis to the insulating baffle of first support 10 and second support 20, and when first support 10 docks with second support 20, two semicircular grooves 321 that lie in same side dock and form circular through-hole 322, and this circular through-hole 322 is used for laying the inlet outlet of liquid cooling pipeline.

Further, in one embodiment, as shown in fig. 2, the sides of the first bracket 10 and the second bracket 20 facing away from each other are provided with isolation ribs 35. The isolation rib 35 is a strip-shaped protrusion, fixed to the outer sides of the bottom walls 31 of the first bracket 10 and the second bracket 20, and has a certain height. When the bus bar (not shown in the figure) is attached to the outer wall of the bottom wall 31 for electrical connection, the isolation ribs 35 support the bus bar and enable a gap to be formed between the bus bar and the bottom wall 31, so that the cylindrical battery cell can conveniently pass through the through hole 41 of the honeycomb groove 40 to be electrically connected with the bus bar.

Furthermore, the first bracket 10 and the second bracket 20 are both provided with a plurality of lightening holes 36. The lightening holes 36 can be arranged in the gaps between the honeycomb grooves 40, so that the weight can be lightened, and the heat dissipation effect can be increased.

In summary, the utility model fixes a plurality of battery cells through the first support 10 and the second support 20, and the first support 10 and the second support 20 are respectively provided with the fixing column 11 and the guide column 21; when fixed, only need through bolt 50 with fixed column 11 with the guide post 21 cooperate fixed can, for the fixed support that provides of electric core, simple structure connects firmly, has improved assembly efficiency.

The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims

1. A cylindrical battery cell combined bracket is used for fixing a plurality of cylindrical battery cells and is characterized by comprising a first bracket and a second bracket which are oppositely arranged; honeycomb grooves for respectively fixing two ends of the plurality of cylindrical battery cells are formed in the sides, close to each other, of the first support and the second support; insulation baffles which are correspondingly connected are arranged on the peripheral sides of the first bracket and the second bracket; the first bracket is provided with a plurality of fixing columns which are arranged along the direction close to the second bracket, and the fixing columns are provided with thread grooves; the second support is provided with guide columns which correspond to the fixing columns one by one, and the guide columns are provided with through holes for bolts to pass through; the bolt penetrates through the through hole to be matched with the thread groove to fix the first support and the second support.

2. The cylindrical battery cell combination bracket of claim 1, wherein the insulating baffle of the first bracket is provided with a plurality of buckles, and the insulating baffle of the second bracket is provided with clamping grooves corresponding to the buckles in a one-to-one manner; the first support and the second support are pre-fixed by the buckle and the clamping groove.

3. The cylindrical cell assembly support of claim 2, wherein the fixing posts are arranged in three rows at intervals; the two rows of fixing columns are fixed on the side, close to each other, of the insulating baffle of the first support, and the last row of fixing columns is arranged in the middle of the first support.

4. The cylindrical battery cell combination support of claim 1, wherein an electrical connection groove is formed at each of the ends of the first support and the second support, which are away from each other, and the sides of the first support and the second support, which are away from each other; the electrical connection slot includes a sidewall having an opening; the openings of the side walls of the two electrical connection grooves face in opposite directions.

5. The cylindrical battery cell combination bracket of claim 1, wherein a semicircular groove is formed at each of two ends of the insulating baffle of the first bracket and the second bracket, which are close to each other; and the two pairs of semi-circular grooves are matched to form a water inlet and a water outlet which are used for connecting the liquid cooling pipeline.

6. The cylindrical battery cell combination support of claim 1, wherein isolation ribs are arranged on both sides of the first support and the second support facing away from each other; the isolation ribs are strip-shaped bulges and are used for supporting the isolation bus board.

7. The cylindrical battery cell combination support of claim 1, wherein the first support and the second support are both provided with a plurality of lightening holes.