Battery cell transfer tray

Abstract

The utility model relates to a battery cell transfer tray which comprises an outer frame and a plurality of inner frames arranged in the outer frame, the inner frames comprise a bottom frame and a top frame, the bottom frame and the top frame are movably connected, a fixing ring is clamped between the bottom frame and the top frame, a plurality of containing cavities used for containing battery cells are formed in the bottom frame, placing holes corresponding to the containing cavities are formed in the top frame, and the bottom frame and the top frame are movably connected. The positions of the fixing rings correspond to the positions of the containing cavities, a plurality of limiting parts are arranged on the inner sides of the fixing rings in the circumferential direction, the limiting parts extend into the containing cavities and are connected with the side faces of the battery cells, connecting belts are arranged between the fixing rings, and the top frame and the bottom frame can be connected with the connecting belts. Movement of the battery cell can be limited through the limiting part on the fixing ring, stable conveying of the battery cell is guaranteed, meanwhile, the bottom frame, the top frame and the fixing ring are movably connected, dismounting, replacement and daily maintenance are convenient, the fixing ring can be clamped and fixed through connection of the bottom frame and the top frame, and installation is convenient.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of plastic trays, in particular to a battery cell transfer tray. BACKGROUND

[0002] The circular battery cell of a new energy automobile part requires high quality, and the battery cell cannot be scratched, stained with oil, stained with dirt, and attached with small particles during production, transportation and handling. The circular battery cell part is circular and small, and cannot be placed in disorder. The nickel plating layer on the surface of the product must be prevented from being scratched. Therefore, a special battery cell transfer tray is currently used.

[0003] The battery cell tray in the prior art generally comprises an outer frame and an inner frame, and a protrusion for positioning the battery cell is arranged on the battery cell tray. For example, a battery tray assembly and a battery module are disclosed in Chinese Patent No. CN114976459A and published on August 30, 2022. The battery tray assembly comprises a plastic support and a tray. The plastic support comprises a frame and a plurality of fixed rings connected to each other. Limiting protrusions are arranged on the fixed rings and are in contact with the outer side wall of the battery cell. The limiting protrusions and the fixed rings can position the battery cell and have high assembly precision.

[0004] The above-mentioned plastic support ensures good insulation performance between the battery cell and the battery tray assembly, is not prone to short circuit, and has good safety performance. In addition, the positioning of the battery cell is accurate due to the arrangement of the limiting protrusions. According to the related technology in the above-mentioned application, the inventors believe that the plastic support and the tray in the application are connected by glue and need to be glued. The operation is not convenient. In addition, the plastic support and the tray are integrated after connection. If the fixed ring or the limiting protrusion is damaged, the entire tray must be replaced, which is very inconvenient to maintain. Therefore, it is necessary to design a battery cell transfer tray which is convenient to install, has good protection effect and is convenient to maintain. Content of the utility model

[0005] The application provides a battery cell transfer tray which is convenient to install, has good protection effect and is convenient to maintain.

[0006] The application provides a battery cell transfer tray which adopts the following technical scheme:

[0007] A battery cell transfer tray comprises an outer frame and an inner frame arranged in the outer frame. The inner frame comprises a bottom frame and a top frame. The bottom frame and the top frame are movably connected and a fixed ring is arranged between the bottom frame and the top frame. A plurality of accommodating cavities for placing battery cells are arranged on the bottom frame. A plurality of insertion holes corresponding to the accommodating cavities are arranged on the top frame. A plurality of fixed rings are arranged between the bottom frame and the top frame and the positions of the fixed rings correspond to the positions of the accommodating cavities. A plurality of limiting portions are arranged on the inner side of the fixed ring in a circumferential direction. The limiting portions extend into the accommodating cavities and are in contact with the side surface of the battery cell. A connecting belt is arranged between the fixed rings. The top frame and the bottom frame can be in contact with the connecting belt.

[0008] Preferably, the size of the outer side of the top frame is equal to the size of the inner side of the bottom frame, and the size of the outer frame is an integer multiple of the size of the outer side of the bottom frame.

[0009] Preferably, the side of the accommodating cavity is provided with a plurality of fixing holes, and a nut is embedded in the fixing hole. The side of the insertion hole is provided with a counterbore corresponding to the position of the fixing hole.

[0010] Preferably, the connecting belt has a positioning hole, the bottom frame is provided with a protruding column corresponding to the position of the positioning hole, and the top frame and the bottom frame are both provided with a compression strip capable of contacting the upper and lower sides of the connecting belt.

[0011] Preferably, the bottom of the accommodating cavity is provided with a first avoiding hole, the bottom of the outer frame is provided with a second avoiding hole corresponding to the first avoiding hole, the inner side of the bottom of the outer frame is provided with a longitudinal and transverse intersecting reinforcing rib plate, the reinforcing rib plate is located outside the second avoiding hole, and the height of the battery cell after being placed in the inner frame is lower than the height of the outer frame.

[0012] Preferably, the corner of the top frame is provided with a positioning protrusion downward, the shape of the positioning protrusion is the same as the shape of the corner of the bottom frame, and the bottom of the bottom frame is provided with a hole or a groove corresponding to the positioning protrusion.

[0013] Preferably, the upper end of the accommodating cavity is provided with an annular groove, and the fixing ring is embedded in the annular groove.

[0014] Preferably, the side of the outer frame is provided with a handle, and the lower part of the outer frame is provided with a carrying groove.

[0015] In summary, the present application has the following at least one beneficial technical effect:

[0016] 1. The present application sets a plurality of inner frames in the outer frame to facilitate accommodation. The inner frame is set as the structure of the bottom frame, the top frame and the fixing ring. The movement of the battery cell is limited by the limiting part on the fixing ring to ensure the stable transportation of the battery cell. At the same time, the bottom frame, the top frame and the fixing ring adopt the mode of movable connection, which is convenient for disassembly, replacement and daily maintenance. The connecting belt is set between the fixing rings, and the bottom frame and the top frame can contact the connecting belt. The fixing ring can be clamped and fixed by the connection of the bottom frame and the top frame, which is convenient to install.

[0017] 2. By setting the size of the top frame outside equal to the size of the bottom frame inside, the bottom frame and the top frame are tightly connected without loosening, avoiding the shaking of the battery cell; by setting the fixing hole on the side of the accommodating cavity and embedding the nut in the fixing hole, and setting the counterbore on the side of the put-in hole, the bottom frame and the top frame can be fixed by screwing in the bolt, convenient to install, and at the same time, the fixed ring can be stably connected to ensure the stable support of the battery cell; by setting the positioning hole on the connecting band and the protruding column on the bottom frame, the positioning and installation of the connecting band are facilitated; by setting the first and second avoiding holes on the accommodating cavity and the outer frame, the triggering effect of the explosion-proof valve in the battery cell can be ensured to avoid fire; by setting the reinforcing rib plate, the strength of the bottom of the outer frame can be improved to ensure the support; by setting the height so that the height of the battery cell after being put in is lower than the height of the outer frame, multiple outer frames can be stacked and placed, facilitating transportation and use.

[0018] 3. By setting the positioning protrusion downward at the corner of the top frame, and setting the hole or slot corresponding to the positioning protrusion on the bottom frame, the top frame can be positioned by the positioning protrusion during installation, facilitating installation; by setting the annular groove at the upper end of the accommodating cavity, the position of the fixed ring can be limited, facilitating installation. BRIEF DESCRIPTION OF DRAWINGS

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

[0020] Figure 2 is an exploded view of the battery cell transfer tray in the preferred embodiment of the present application.

[0021] Figure 3 is a structure schematic diagram of the bottom frame in the preferred embodiment of the present application.

[0022] Figure 4 is a structure schematic diagram of the fixed ring in the preferred embodiment of the present application.

[0023] Explanation of reference signs: 1, outer frame; 101, second avoiding hole; 102, reinforcing rib plate; 103, handle; 2, inner frame; 201, bottom frame; 201a, accommodating cavity; 201b, first avoiding hole; 202, top frame; 202a, put-in hole; 202b, positioning protrusion; 203, fixed ring; 203a, limiting part; 203b, connecting band; 203c, positioning hole; 3, battery cell; 4, compression strip. DETAILED DESCRIPTION

[0024] The present application will be further described in detail below with reference to the accompanying drawings.

[0025] The embodiment of the present application discloses a battery cell transfer tray.

[0026] Reference Figures 1 to 4The utility model provides a battery cell transfer tray, which comprises an outer frame 1 and a plurality of 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 outer side of the bottom frame 201, the side of the outer frame 1 is provided with a handle 103, and the lower part of the outer frame 1 is provided with a carrying groove; the inner frame 2 comprises a bottom frame 201 and a top frame 202, the size of the outer side of the top frame 202 is equal to the size of the inner side of the bottom frame 201, the bottom frame 201 and the top frame 202 are movably connected, and a fixing ring 203 is arranged between the bottom frame 201 and the top frame 202; a plurality of accommodating cavities 201a for placing battery cells 3 are arranged on the bottom frame 201, a plurality of insertion holes 202a corresponding to the accommodating cavities 201a are arranged on the top frame 202, the fixing ring 203 is provided in a plurality of positions corresponding to the positions of the accommodating cavities 201a, a plurality of limiting portions 203a are arranged on the inner side of the fixing ring 203 in a circumferential direction, the limiting portions 203a extend into the accommodating cavities 201a and are in contact with the side of the battery cell 3, and a connecting belt 203b is arranged between the fixing rings 203; the top frame 202 and the bottom frame 201 can be in contact with the connecting belt 203b; specifically, the top frame 202 and the bottom frame 201 are both provided with a compression strip 4, and the compression strip 4 can be in contact with the upper and lower sides of the connecting belt 203b; the upper end of the accommodating cavity 201a is provided with an annular groove, the fixing ring 203 is arranged in the annular groove, which facilitates the positioning and installation of the fixing ring 203; the connecting belt 203b is provided with a positioning hole 203c, and the bottom frame 201 is provided with a protruding column corresponding to the position of the positioning hole 203c.

[0027] Referring to Figure 2 and Figure 3 the side of the accommodating cavity 201a is provided with a plurality of fixing holes, a screw nut is arranged in the fixing hole, the side of the insertion hole 202a is provided with a counterbore corresponding to the position of the fixing hole, and specifically, the top frame 202 and the bottom frame 201 can be fixed by screwing a bolt into the counterbore in the embodiment; the bottom of the accommodating cavity 201a is provided with a first avoiding hole 201b, the bottom of the outer frame 1 is provided with a second avoiding hole 101 corresponding to the first avoiding hole 201b, the inner side of the bottom of the outer frame 1 is provided with a reinforcing rib plate 102 intersecting longitudinally and transversely, the reinforcing rib plate 102 is located on the outer side of the second avoiding hole 101, and the height of the battery cell 3 after being placed in the inner frame 2 is lower than the height of the outer frame 1; the corner of the top frame 202 is provided with a positioning protruding portion 202b downward, the shape of the positioning protruding portion 202b is the same as the shape of the corner of the bottom frame 201, the bottom of the bottom frame 201 is provided with a hole or a groove corresponding to the positioning protruding portion 202b, and the positioning and installation of the top frame are facilitated.

[0028] The implementation principle is: the application is convenient to accommodate by setting multiple inner frames 2 in the outer frame 1; the inner frame 2 is set as the structure of the bottom frame 201, the top frame 202 and the fixing ring 203, the movement of the battery cell 3 can be limited by the limiting portion 203a on the fixing ring 203, the stable transportation of the battery cell 3 is ensured, at the same time, the bottom frame 201, the top frame 202 and the fixing ring 203 adopt the mode of movable connection, convenient to disassemble, replace and maintain; the connecting belt 203b is arranged between the fixing rings 203, at the same time, the bottom frame 201 and the top frame 202 can be connected with the connecting belt 203b, the fixing ring 203 can be clamped and fixed by the connection of the bottom frame 201 and the top frame 202, and the installation and maintenance are convenient.

[0029] The above are preferred embodiments of the application, which do not limit the protection scope of the application, therefore: equivalent changes made on the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A cell transfer 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 the inner frame (2) comprises a bottom frame (201) and a top frame (202), the bottom frame (201) and the top frame (202) are movably connected, a fixing ring (203) is arranged between the bottom frame (201) and the top frame (202), a plurality of accommodating cavities (201a) for placing battery cells (3) are arranged on the bottom frame (201), a plurality of insertion holes (202a) corresponding to the accommodating cavities (201a) are arranged on the top frame (202), the fixing rings (203) are arranged at positions corresponding to the positions of the accommodating cavities (201a), a plurality of limiting portions (203a) are arranged on the inner side of the fixing ring (203) in a circumferential direction, the limiting portions (203a) extend into the accommodating cavities (201a) and abut against the side surfaces of the battery cells (3), and a connecting belt (203b) is arranged between the fixing rings (203).

2. The cell transfer tray of claim 1, wherein: The size of the outer side of the top frame (202) is equal to the size of the inner side of the bottom frame (201), and the size of the outer frame (1) is an integral multiple of the size of the outer side of the bottom frame (201).

3. The cell transfer tray of claim 1, wherein: A plurality of fixing holes are arranged on the side surface of the accommodating cavity (201a), a nut is embedded in each fixing hole, and a counterbore corresponding to the position of each fixing hole is arranged on the side surface of the insertion hole (202a).

4. The cell transfer tray of claim 1, wherein: A positioning hole (203c) is arranged on the connecting belt (203b), a protruding column corresponding to the position of the positioning hole (203c) is arranged on the bottom frame (201), and a pressing strip (4) is arranged on each of the top frame (202) and the bottom frame (201) and can abut against the upper and lower sides of the connecting belt (203b).

5. The cell transfer tray of claim 1, wherein: A first avoiding hole (201b) is arranged on the bottom of the accommodating cavity (201a), a second avoiding hole (101) corresponding to the first avoiding hole (201b) is arranged on the bottom of the outer frame (1), a plurality of reinforcing rib plates (102) are arranged on the inner side of the bottom of the outer frame (1) in a longitudinal and transverse manner, the reinforcing rib plates (102) are located on the outer side of the second avoiding hole (101), and the height of the battery cell (3) after being placed in the inner frame (2) is lower than the height of the outer frame (1).

6. The cell transfer tray of claim 1, wherein: A positioning protruding portion (202b) is arranged downward at the corner of the top frame (202), the shape of the positioning protruding portion (202b) is the same as the shape of the corner of the bottom frame (201), and a hole or a groove corresponding to the positioning protruding portion (202b) is arranged on the bottom of the bottom frame (201).

7. The cell transfer tray of claim 1, wherein: An annular groove is arranged on the upper end of the accommodating cavity (201a), and the fixing ring (203) is embedded in the annular groove.

8. The cell transfer tray of claim 1, wherein: A handle (103) is arranged on the side surface of the outer frame (1), and a carrying groove is arranged on the lower part of the outer frame (1).

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