Cylindrical battery cell tray

Abstract

The cylindrical battery cell tray comprises an outer frame and a plurality of inner frames arranged in the outer frame, a plurality of accommodating cavities are uniformly formed in the inner frames, battery cells are arranged in the accommodating cavities, the inner sides of the upper ends of the accommodating cavities are inclined planes, the lower parts of the accommodating cavities are hollow cylinders, and the upper ends of the accommodating cavities are hollow cylinders. A plurality of positioning columns are arranged at the bottom of the outer frame and can be connected with the side faces of the containing cavities, and lifting holes are formed in the inner frame. According to the invention, 1, the plurality of accommodating cavities are formed in the inner frame and the inclined surfaces are arranged at the upper parts of the accommodating cavities, so that the battery cells can be conveniently placed, the collision between the battery cells and the accommodating cavities can be reduced, and the stability of the battery cells is ensured; a plurality of positioning columns are arranged at the bottom of the outer frame and can be connected with the side surface of the accommodating cavity through the positioning columns, so that the inner frame can be positioned and is convenient to place, meanwhile, stable connection between the inner frame and the outer frame is ensured, and stable support of the battery cell is ensured; and the lifting holes are formed in the inner frame, so that the inner frame is convenient to move and use.

Description

Technical Field

[0001] This application relates to the field of battery cell tray technology, and in particular to a cylindrical battery cell tray. Background Technology

[0002] With the continuous advancement of green and environmental protection themes, the use of electric vehicles is increasing year by year. Battery modules are an important component of electric vehicle power systems, and trays are the parts in battery modules used to support battery cells. Since battery cells are stacked in rows in battery modules and there is a certain gap between adjacent cells, trays are needed to play a certain protective role in terms of insulation protection, assembly limit, and thermal runaway protection of battery cells.

[0003] Current battery cell trays have a relatively simple structure, mostly using an inner and outer frame structure. The inner frame has a cavity for holding the battery cells. However, when placing the battery cells, they are prone to scraping against the side wall of the cavity. It is also inconvenient to operate when the inner frame is placed into the outer frame. In addition, there is a problem that the inner frame is not tightly connected to the outer frame, causing the inner frame to slide and affecting the stability of the battery cells. They are very inconvenient to use. Therefore, it is necessary to design a cylindrical battery cell tray that is easy to operate and can ensure a stable connection and fixation of the battery cells. Utility Model Content

[0004] This application provides a cylindrical battery cell tray that is easy to operate and can ensure a stable connection and fixation of the battery cells.

[0005] The cylindrical battery cell tray provided in this application adopts the following technical solution:

[0006] A cylindrical battery cell tray includes an outer frame and multiple inner frames disposed within the outer frame. Multiple receiving cavities are evenly arranged on the inner frames, and battery cells are disposed within the receiving cavities. The upper inner side of each receiving cavity is inclined, and the lower part of each receiving cavity is a hollow cylinder. Multiple positioning posts are provided at the bottom of the outer frame, and the positioning posts can connect with the sides of the multiple receiving cavities. Lifting holes are provided on the inner frames.

[0007] Preferably, the size of the outer frame is an integer multiple of the size of the inner frame, the inner frame is a plate-like structure, the edge of the inner frame is provided with a downward bending part, the upper part of the receiving cavity is a tapered structure with a larger top and a smaller bottom, the inner diameter of the lower part of the receiving cavity matches the outer diameter of the battery cell, a reinforcing part is provided between the upper end of the receiving cavity and the inner frame, a through hole is provided on the lower side of the receiving cavity, and a vent hole is provided at the bottom of the outer frame corresponding to the position of the receiving cavity, and the diameter of the vent hole is smaller than the outer diameter of the receiving cavity.

[0008] Preferably, the outer frame and the inner frame are square plate structures, and the size of the outer frame is twice the size of the inner frame.

[0009] Preferably, the positioning columns are arranged in groups, and the number of groups of the positioning columns corresponds to the number of the inner frames, each group of the positioning columns comprises at least two positioning columns, and the height of the positioning columns is not less than the height of the accommodating cavities.

[0010] Preferably, the side surface of the positioning column is provided with a plurality of arc surfaces, the arc surfaces can be in contact with the outer side of the accommodating cavities, the positioning columns are arranged in pairs, and the pairs of the positioning columns are located at opposite corners of the inner frame.

[0011] Preferably, the inner frame is further provided with a fixing hole, the position of the fixing hole corresponds to the position of the positioning column, and a bolt can be inserted into the fixing hole to connect the inner frame and the positioning column.

[0012] Preferably, the positioning column and the outer frame are detachably connected.

[0013] Preferably, the bottom of the outer frame is provided with reinforcing ribs, the reinforcing ribs are in a grid shape, the edges of the reinforcing ribs are annular, and the outer side dimension of the reinforcing ribs is equal to the inner side dimension of the top of the outer frame.

[0014] In summary, the present application has at least one of the following beneficial technical effects:

[0015] 1. The present application is provided with a plurality of accommodating cavities in the inner frame and a slope on the upper part of the accommodating cavities, which facilitates the placement of the battery cell, reduces the friction between the battery cell and the accommodating cavities, and ensures the stability of the battery cell; the outer frame is provided with a plurality of positioning columns at the bottom, and the side surface of the positioning column can be in contact with the side surface of the accommodating cavity, which can position the inner frame, facilitate the placement, ensure the stable connection between the inner frame and the outer frame, and ensure the stable support of the battery cell; the inner frame is provided with a lifting hole, which facilitates the movement of the inner frame and use.

[0016] 2. The size of the outer frame is an integer multiple of the size of the inner frame, the inner side of the outer frame can position the outer side of the inner frame, the positioning column arranged on the inner frame ensures the stable connection between the inner frame and the outer frame; the reinforcing part is arranged between the upper end of the accommodating cavity and the inner frame, which can increase the connection strength of the accommodating cavity and ensure the stable support; the outer frame and the inner frame are both square plate structures, and the size of the outer frame is twice the size of the inner frame, so that the inner frame can be placed in the inner side of the outer frame during installation, and the positioning column arranged at the bottom of the outer frame facilitates the installation.

[0017] 3. The positioning column is arranged in multiple groups, and each group of the positioning column comprises at least two positioning columns, which saves resources while ensuring the positioning connection between the positioning column and the inner frame, facilitates processing and use; the side surface of the positioning column is provided with an arc surface, and the arc surface is in contact with the plurality of accommodating cavities, which facilitates positioning and installation; the inner frame is provided with a fixing hole, the inner frame and the positioning column can be connected and fixed through the fixing hole, and the stability of the inner frame is ensured; the positioning column and the outer frame are detachably connected, the positioning column can be replaced, the inner frame of different specifications and sizes of the battery cell can be adapted, and the application is convenient and practical.

[0018] 4. By setting a reinforcing rib at the bottom of the outer frame and the outer size of the reinforcing rib being equal to the size of the top of the outer frame, multiple outer frames can be placed in stacks, and the adjacent outer frames are positioned by the reinforcing rib, facilitating use. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic diagram of a cylindrical battery cell tray in the preferred embodiment of the present application.

[0020] Figure 2 is a perspective view of an outer frame in the preferred embodiment of the present application.

[0021] Figure 3 is a top view of an outer frame in the preferred embodiment of the present application.

[0022] Figure 4 is a perspective view of an outer frame from another angle in the preferred embodiment of the present application.

[0023] Figure 5 is a perspective view of an inner frame in the preferred embodiment of the present application.

[0024] Figure 6 is a perspective view of an inner frame from another angle in the preferred embodiment of the present application.

[0025] Reference signs: 1, outer frame; 101, positioning column; 102, reinforcing rib; 2, inner frame; 201, accommodating cavity; 201a, reinforcing part; 202, lifting hole; 203, fixing hole; 3, battery cell. DETAILED DESCRIPTION

[0026] The present application will be further described in detail below with reference to the accompanying drawings.

[0027] The present application discloses a cylindrical battery cell tray.

[0028] Reference Figures 1 to 6 A cylindrical battery cell tray includes an outer frame 1 and multiple inner frames 2 arranged in the outer frame 1. The size of the outer frame 1 is an integer multiple of the size of the inner frame 2. Specifically, the outer frame 1 and the inner frame 2 are square plate structures, and the size of the outer frame 1 is twice the size of the inner frame 2. The edge of the inner frame 2 is provided with a bent part downward. Multiple accommodating cavities 201 are uniformly arranged on the inner frame 2, and a battery cell 3 is arranged in each accommodating cavity 201. The inner side of the upper end of the accommodating cavity 201 is a bevel. The lower part of the accommodating cavity 201 is a hollow cylindrical structure. Specifically, the upper part of the accommodating cavity 201 is a tapered structure with a large upper part and a small lower part. A reinforcing part 201a is arranged between the upper end of the accommodating cavity 201 and the inner frame 2. The inner diameter of the lower part of the accommodating cavity 201 matches the outer diameter of the battery cell 3. A through hole is arranged on the side surface of the lower part of the accommodating cavity 201. A ventilation hole is arranged at the position corresponding to the accommodating cavity 201 on the bottom of the outer frame 1, and the hole diameter of the ventilation hole is smaller than the outer diameter of the accommodating cavity 201.

[0029] With reference to Figures 1 to 5 , the bottom of the outer frame 1 is provided with a plurality of positioning columns 101 which can be in contact with the side of the plurality of accommodating cavities 201, the inner frame 2 is provided with a pulling hole 202, and the inner frame 2 is also provided with a fixing hole 203 which is in a position corresponding to the position of the positioning column 101, and a bolt can be passed into the fixing hole 203 to connect the inner frame 2 with the positioning column 101; with reference to Figure 4 , the bottom of the outer frame 1 is provided with a reinforcing rib 102 which is in a grid shape and has a ring-shaped edge, and the outside dimension of the reinforcing rib 102 is equal to the inside dimension of the top of the outer frame 1.

[0030] With reference to Figures 1 to 3 , the positioning columns 101 are arranged in groups, and the number of groups of the positioning columns 101 corresponds to the number of the inner frames 2, each group of the positioning columns 101 is at least two, and the height of the positioning column 101 is not less than the height of the accommodating cavity 201; the side of the positioning column 101 is provided with a plurality of arc surfaces which can be in contact with the outside of the accommodating cavity 201, the positioning columns 101 are arranged in pairs and located at the opposite corners of the inner frame 2, and the positioning column 101 is detachably connected with the outer frame 1.

[0031] The implementation principle is that the application sets the plurality of accommodating cavities 201 on the inner frame 2 and sets the inclined surface on the upper part of the accommodating cavity 201, so as to facilitate the placement of the battery cell 3, reduce the friction and collision between the battery cell 3 and the accommodating cavity 201, and ensure the stability of the battery cell 3; the application sets the plurality of positioning columns 101 on the bottom of the outer frame 1, and the positioning columns 101 can be in contact with the side of the accommodating cavity 201, so as to position the inner frame 2, facilitate the placement, ensure the stable connection between the inner frame 2 and the outer frame 1, and ensure the stable support of the battery cell 3; the application sets the pulling hole 202 on the inner frame 2, so as to facilitate the movement and placement of the inner frame 2 and facilitate the use.

[0032] The above are the preferred embodiments of the application, which do not limit the protection scope of the application, so that: any equivalent changes made on the structure, shape and principle of the application shall be covered within the protection scope of the application.

Claims

1. A cylindrical cell tray, characterized by: The application relates to a battery frame, which comprises an outer frame (1) and a plurality of inner frames (2) arranged in the outer frame (1), wherein each of the inner frames (2) is uniformly provided with a plurality of accommodating cavities (201), each of the accommodating cavities (201) is provided with an electric core (3), the inner side of the upper end of the accommodating cavity (201) is a slope, the lower part of the accommodating cavity (201) is a hollow cylindrical structure, the bottom of the outer frame (1) is provided with a plurality of positioning columns (101), the positioning columns (101) can be connected with the side of the plurality of accommodating cavities (201), and the inner frame (2) is provided with a lifting hole (202).

2. The cylindrical cell tray of claim 1, wherein: The size of the outer frame (1) is an integral multiple of the size of the inner frame (2), the inner frame (2) is a plate structure, the edge of the inner frame (2) is provided with a bending part downwards, the upper part of the accommodating cavity (201) is a taper structure with the upper part being larger than the lower part, the inner diameter of the lower part of the accommodating cavity (201) matches the outer diameter of the electric core (3), a reinforcing part (201a) is arranged between the upper end of the accommodating cavity (201) and the inner frame (2), the lower part of the accommodating cavity (201) is provided with a through hole, the bottom of the outer frame (1) is provided with a breathable hole corresponding to the position of the accommodating cavity (201), and the hole diameter of the breathable hole is smaller than the outer diameter of the accommodating cavity (201).

3. The cylindrical cell tray of claim 2, wherein: The outer frame (1) and the inner frame (2) are square plate structures, and the size of the outer frame (1) is twice the size of the inner frame (2).

4. The cylindrical cell tray of claim 1, wherein: The positioning columns (101) are arranged in groups, the number of groups of the positioning columns (101) corresponds to the number of the inner frames (2), each group of the positioning columns (101) is at least two, and the height of the positioning column (101) is not lower than the height of the accommodating cavity (201).

5. The cylindrical cell tray of claim 4, wherein: The side of the positioning column (101) is provided with a plurality of arc surfaces, the arc surfaces can be connected with the outer side of the accommodating cavity (201), the positioning columns (101) are arranged in pairs, and the pairs of the positioning columns (101) are located at opposite corners of the inner frame (2).

6. The cylindrical cell tray of claim 1, wherein: The inner frame (2) is further provided with a fixing hole (203), the position of the fixing hole (203) corresponds to the position of the positioning column (101), a bolt can be inserted into the fixing hole (203) to connect the inner frame (2) and the positioning column (101).

7. The cylindrical cell tray of claim 1, wherein: The positioning column (101) and the outer frame (1) are detachably connected.

8. The cylindrical cell tray of claim 1, wherein: The bottom of the outer frame (1) is provided with a reinforcing rib (102), the reinforcing rib (102) is a grid structure, the edge of the reinforcing rib (102) is annular, and the outer side size of the reinforcing rib (102) is equal to the inner side size of the top of the outer frame (1).

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