Multi-specification battery cell storage device

Abstract

The utility model discloses a multi-specification battery cell storage device, which relates to the technical field of battery cell storage and comprises a box body, a positioning mechanism, a cover body, a pressing mechanism and a limiting component, a positioning mechanism and a pressing mechanism are arranged in the box body, the positioning mechanism is used for positioning two sides of a battery cell, and the pressing mechanism is used for positioning the top and the bottom of the battery cell; and the limiting assembly is used for fixing the closed cover body on the box body. The battery cell storage box has the advantages that the storage stability of the battery cells is improved, and the battery cells are prevented from being damaged during transportation.

Description

Technical Field

[0001] The utility model relates to the technical field of battery cell storage, in particular to a multi-specification battery cell storage device. Background Art

[0002] With the development of technology, lithium batteries are more and more widely used in life. Lithium batteries have the characteristics of high energy density, high voltage, pollution-free, high cycle life, and fast charging. Due to its unique performance advantages, lithium batteries have been widely used in portable electrical appliances such as laptops, cameras, and mobile communications. The battery pack of new energy vehicles is composed of multiple lithium batteries connected in series and stacked. A typical battery pack has about 96 battery cells. For a lithium-ion battery cell charged to 4.2V, such a battery pack can generate a total voltage of more than 400V. The rise of the new energy industry has also driven the development of the lithium battery production and packaging industry.

[0003] The patent document with the publication number of CN212695241U discloses a lithium-ion battery cell storage box, which houses the battery cells through the battery cell receiving grooves 17 distributed in a matrix. This kind of battery cell storage box and the special high-foot box for polymer lithium-ion batteries currently used in the industry have relatively fatal defects: during the production and transfer process of the battery, the battery is easy to collide and contact with the inner side of the box, causing the ear to bend; after the ear bends, during the process of taking and placing and transferring the battery, it is very easy to scratch and pierce the aluminum-plastic film of the battery, resulting in poor appearance and leakage of the battery; moreover, the specifications and shapes of the battery cells are various, and the existing storage devices can only store battery cells of a single specification, which is inconvenient to use. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is how to improve the stability of battery cell storage.

[0005] The utility model solves the above technical problems by the following technical means: a multi-specification battery cell storage device, including a box body, a positioning mechanism, a cover body, a pressing mechanism, and a limiting component; a positioning mechanism and a pressing mechanism are arranged inside the box body, the positioning mechanism is used to position both sides of the battery cell, and the pressing mechanism is used to position the top and bottom of the battery cell; the limiting component is used to fix the closed cover body on the box body. Both sides, the top and the bottom of the battery cell are fixed, which improves the stability of battery cell storage and avoids damage to the battery cell during transportation.

[0006] As an optimized technical solution, a battery cell placement area is provided inside the box body; the positioning mechanism includes a chute, a slider, a lead screw, a positioning rod, a knob and a hand-tightening bolt; a chute is formed inside the box body, the lead screw is arranged in the chute and rotatably connected to the box body, the slider is threadedly connected to the lead screw and slidably matched with the chute, the positioning rod is fixedly connected to the slider and extends into the battery cell placement area; one end of the lead screw penetrates to the outside of the box body and is fixedly connected with a knob at this end; the hand-tightening bolt penetrates through the knob, and a threaded hole corresponding to the hand-tightening bolt is provided on the outside of the box body. 2. By twisting the knob, the lead screw can be driven to rotate, so that the slider moves along the chute 1, thereby driving the positioning rod to move. The positioning rod cooperates with the opposite side surface of the box body to position the left and right sides of the battery cell, which is convenient to use; at the same time, since the positioning rod is movable, the gap between the positioning rod and the opposite side surface of the box body is adjustable, so that the device can adapt to different specifications of battery cells, has stronger storage capacity and is more flexible to use.

[0007] As an optimized technical solution, the cross sections of the chute and the slider are both convex-shaped, and a wear-resistant gasket is provided on the outer surface of the slider. It can improve the stability of the slider sliding along the chute.

[0008] As an optimized technical solution, the pressing mechanism includes a pressing spring, a bottom plate and a substrate. The bottom of the cover body is fixedly connected with a pressing spring, the bottom plate is fixedly connected to the bottom of the pressing spring, and the bottom of the bottom plate and the inner bottom of the box body are respectively fixedly connected with a substrate.

[0009] As an optimized technical solution, the substrate is provided with tooth grooves, and the substrate is made of a silica gel plate. The tooth groove structure and silica gel material of the substrate can improve its stability in fitting with the battery cell, making the storage of the battery cell more stable.

[0010] As an optimized technical solution, the limiting component includes a buckle, a concave seat, a limiting spring and a limiting block; the buckle is fixedly connected to the cover body, the concave seat is fixedly connected to the box body and corresponds to the position of the buckle; a limiting spring is arranged inside the concave seat, one end of the limiting spring is fixedly connected to the concave seat, the other end of the limiting spring is fixedly connected with a limiting block, and the buckle can be clamped between the limiting block and the inner side surface of the concave seat.

[0011] As an optimized technical solution, the side of the limiting block facing away from the limiting spring is a slope, and the buckle is provided with a slope matching the limiting block; the limiting component further includes a connecting rod and a pull ring, the connecting rod penetrates through the concave seat, the inner end of the connecting rod is fixedly connected with the limiting block, and the outer end of the connecting rod is provided with a pull ring. It is convenient for the buckle to be clamped and separated.

[0012] As an optimized technical solution, the multi-specification battery cell storage device further includes a drying component, which is arranged on the box body and can adsorb the moisture inside the box body. This is beneficial to keeping the inside of the box body dry and improving the storage capacity of the battery cells.

[0013] As an optimized technical solution, the drying component includes a frame body, through holes, and a silica gel drying plate. The frame body is fixedly connected to the bottom of the box body, and a plurality of through holes communicate between the box body and the frame body. A detachable silica gel drying plate is arranged inside the frame body.

[0014] As an optimized technical solution, the multi-specification battery cell storage device further includes a slot and a plug. The top of the cover body is provided with a slot, and the bottom of the box body is provided with a plug corresponding to the position of the slot. This device is convenient for stacking. When multiple devices are stacked, the plug of the upper device is inserted into the slot of the lower device, which is beneficial to stable stacking.

[0015] The advantages of the present utility model are as follows:

[0016] 1. By setting the positioning mechanism and the pressing mechanism, both sides, the top, and the bottom of the battery cell are fixed, improving the stability of the battery cell storage and avoiding damage to the battery cell during transportation.

[0017] 2. By twisting the knob, the lead screw can be driven to rotate, causing the slider to move along the chute 1, thereby driving the positioning rod to move. The positioning rod cooperates with the side surface of the corresponding box body to position the left and right sides of the battery cell, which is convenient to use. At the same time, since the positioning rod is movable, the gap between the positioning rod and the side surface of the corresponding box body is adjustable, so that the device can adapt to different specifications of battery cells, has a stronger storage capacity, and is more flexible to use.

[0018] 3. The drying component can adsorb the moisture inside the box body, which is beneficial to keeping the inside of the box body dry and improving the storage capacity of the battery cells.

[0019] 4. This device is convenient for stacking. When multiple devices are stacked, the plug of the upper device is inserted into the slot of the lower device, which is beneficial to stable stacking. Description of the Drawings

[0020] Figure 1 It is a first-angle isometric schematic diagram of the multi-specification battery cell storage device according to an embodiment of the present utility model.

[0021] Figure 2 It is a second-angle isometric schematic diagram of the multi-specification battery cell storage device according to an embodiment of the present utility model.

[0022] Figure 3 It is a partial enlarged schematic diagram at A of the multi-specification battery cell storage device according to an embodiment of the present utility model. Detailed Embodiment

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are some, rather than all, of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] As Figures 1 to 3 shown, an embodiment of the present utility model discloses a multi-specification battery cell storage device, which includes a box body 1, a drying component 2, a positioning mechanism 3, a cover body 4, a pressing mechanism 5, a limiting component 6, a slot 7, and a plug 8.

[0025] The positioning mechanism 3 and the pressing mechanism 5 are arranged inside the box body 1. The positioning mechanism 3 is used to position the left and right sides of the battery cell, and the pressing mechanism 5 is used to position the top and bottom of the battery cell. The interior of the box body 1 is divided into two front and rear battery cell placement areas by a partition in the middle. There are two groups of positioning mechanisms 3, and the two groups of positioning mechanisms 3 are respectively used to position the battery cells in the two battery cell placement areas. One side of the cover body 4 is hinged to the top of the box body 1, and a limiting component 6 is provided on the other side of the cover body 4 and the corresponding side of the box body 1. The limiting component 6 is used to fix the closed cover body 4 on the box body 1. The drying component 2 is arranged at the outer bottom of the box body 1 and can adsorb the moisture inside the box body 1, which is beneficial to keeping the inside of the box body 1 dry and improving the battery cell storage capacity. Slots 7 are respectively provided at the four corners of the top of the cover body 4, and plugs 8 corresponding to the positions of the slots 7 are provided at the bottom of the box body 1. This device is convenient for stacking. When multiple devices are stacked, the plugs 8 of the upper device are inserted into the slots 7 of the lower device, which is beneficial to stable stacking.

[0026] The drying component 2 includes a frame body 21, through holes 22, and a silica gel drying plate 23. The frame body 21 is fixedly connected to the bottom of the box body 1, and a plurality of equally spaced through holes 22 communicate between the box body 1 and the frame body 21. A detachable silica gel drying plate 23 is arranged inside the frame body 21, and the silica gel drying plate 23 is slidably matched with the frame body 21. The silica gel drying plate 23 can adsorb the moisture inside the box body 1 through the through holes 22, which is beneficial to keeping the inside of the box body 1 dry and improving the battery cell storage capacity.

[0027] The positioning mechanism 3 includes a chute 31, a slider 32, a lead screw 33, a positioning rod 34, a knob 35 and a hand-tightening bolt 36; a chute 31 extending along the left-right length direction is provided inside the box body 1, the lead screw 33 is arranged in the chute 31 and rotatably connected to the box body 1, the slider 32 is threadedly connected to the lead screw 33 and slidably matched with the chute 31, the positioning rod 34 is fixedly connected to the slider 32 and extends into the battery cell placement area; the cross-sections of the chute 31 and the slider 32 are both convex-shaped, and a wear-resistant gasket is provided on the outer surface of the slider 32 to improve the stability of the slider 32 sliding along the chute 31; one end of the lead screw 33 passes through to the outside of the box body 1 and is fixedly connected with a knob 35 at this end, and anti-slip lines are provided on the outer surface of the knob 35. By turning the knob 35, the lead screw 33 can be driven to rotate, so that the slider 32 moves along the chute 31, thereby driving the positioning rod 34 to move. The positioning rod 34 cooperates with the opposite side surface of the box body 1 to position the left and right sides of the battery cell; the hand-tightening bolt 36 penetrates through the knob 35, and a threaded hole corresponding to the hand-tightening bolt 36 is provided on the outside of the box body 1. By turning the hand-tightening bolt 36 to threadedly connect it to the box body 1, the knob 35 can be fixed so that it cannot rotate, thereby fixing the lead screw 33 and making the position of the positioning rod 34 fixed.

[0028] The pressing mechanism 5 includes a pressing spring 51, a bottom plate 52 and a substrate 53; pressing springs 51 are respectively fixedly connected to the four corners at the bottom of the cover body 4, and the bottom plate 52 is fixedly connected to the bottom of each pressing spring 51; substrates 53 are respectively fixedly connected to the bottom of the bottom plate 52 and the inner bottom of the box body 1, and tooth grooves are equidistantly provided on the substrates 53, and the substrates 53 are made of silica gel plates; when the cover body 4 is covered, the substrates 53 position the top and bottom of the battery cell under the action of the pressing springs 51. The tooth groove structure and silica gel material of the substrates 53 can improve the stability of their fitting with the battery cell, making the storage of the battery cell more stable.

[0029] The limiting component 6 includes a buckle 61, a concave seat 62, a limiting spring 63, a limiting block 64, a connecting rod 65 and a pull ring 66; the buckle 61 is fixedly connected to the cover body 4, the concave seat 62 is fixedly connected to the box body 1 and corresponds to the position of the buckle 61; two groups of limiting springs 63 are provided in the concave seat 62, one end of the limiting spring 63 is fixedly connected to the concave seat 62, and the other end of the limiting spring 63 is fixedly connected to a limiting block 64. The buckle 61 can be clamped between the limiting block 64 and the inner side surface of the concave seat 62, thereby fixing the closed cover body 4 on the box body 1; the cross-section of the limiting block 64 is a right-angled trapezoid, and the side facing away from the limiting spring 63 is an inclined surface. The buckle 61 is provided with an inclined surface matching the limiting block 64. Through the cooperation of the two inclined surfaces, the buckle 61 can be guided to facilitate the clamping of the buckle 61; the connecting rod 65 penetrates through the concave seat 62, the inner end of the connecting rod 65 is fixedly connected to the limiting block 64, and the outer end of the connecting rod 65 is provided with a pull ring 66. By pulling the pull ring 66 to drive the connecting rod 65 to move outwards, the limiting block 64 can be pulled to separate it from the buckle 61, facilitating the opening of the cover body 4.

[0030] Working principle: When in use, place the battery cell on the top of the substrate 53 in the box body 1 and then twist the knob 35 to drive the screw rod 33 to rotate, so that the slider 32 moves along the chute 31, thereby driving the positioning rod 34 to move. The positioning rod 34 contacts the outermost battery cell in a row, and cooperates with the side surface of the box body 1 opposite thereto to position the left and right sides of the battery cell; then cover the cover body 4, and the substrate 53 positions the top and bottom of the battery cell under the action of the compression spring 51; since the two sides, the top and the bottom of the battery cell are fixed, the battery cell has good stability and buffering effect during movement and transportation, improving the stability of the battery cell storage and avoiding damage to the battery cell during transportation, and is convenient to use; at the same time, since the positioning rod 34 is movable, the gap between the positioning rod 34 and the side surface of the box body 1 opposite thereto is adjustable, so that the device can adapt to battery cells of different specifications, has stronger storage capacity and is more flexible to use; when the battery cell needs to be taken out, pull the pull ring 66 to drive the connecting rod 65 to move outwards, and the limiting block 64 can be pulled to separate it from the buckle 61, so that the limit of the buckle 61 can be removed, facilitating the opening of the cover body 4 to take out the battery cell; during the storage of the battery cell, the silica gel drying plate 23 can be used to assist in adsorbing the moisture inside the box body 1 to keep the inside of the box body 1 dry and improve the storage capacity of the battery cell.

[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A multi-specification battery storage device, characterized in that: It comprises a box body, a positioning mechanism, a cover body, a clamping mechanism and a limiting assembly; the box body is provided with a positioning mechanism and a clamping mechanism inside, the positioning mechanism is used to position the two sides of the battery cell, and the clamping mechanism is used to position the top and bottom of the battery cell; the limiting assembly is used to fix the closed cover body on the box body; the box body is provided with a battery cell placement area inside; the positioning mechanism comprises a slide groove, a slider, a screw rod, a positioning rod, a knob and a hand-tightening bolt; a slide groove is opened on the inner side of the box body, the screw rod is arranged in the slide groove and is rotatably connected to the box body, the slider The screw rod is threadedly connected to the screw rod and slidably cooperates with the slide groove, and the positioning rod is fixedly connected to the slider and extends into the battery cell placement area; one end of the screw rod passes through the outside of the box body and is fixedly connected to a knob; the hand-tightening bolt passes through the knob, and the outside of the box body is provided with a threaded hole corresponding to the hand-tightening bolt; the clamping mechanism includes a clamping spring, a bottom plate and a base plate, the bottom of the cover body is fixedly connected to a clamping spring, the bottom plate is fixedly connected to the bottom of the clamping spring, and the bottom of the bottom plate and the inner bottom of the box body are respectively fixedly connected to base plates.

2. The multi-specification battery storage device according to claim 1, characterized in that: The cross sections of the slide groove and the slider are both convex-shaped, and the outer surface of the slider is provided with a wear-resistant gasket.

3. The multi-specification battery storage device according to claim 1, characterized in that: The base plate is provided with tooth grooves, and the base plate is made of a silicone plate.

4. The multi-specification battery storage device according to claim 1, characterized in that: The limiting assembly includes a buckle, a concave seat, a limiting spring and a limiting block; the buckle is fixedly connected to the cover body, the concave seat is fixedly connected to the box body and corresponds to the position of the buckle; a limiting spring is arranged in the concave seat, one end of the limiting spring is fixedly connected to the concave seat, the other end of the limiting spring is fixedly connected to the limiting block, and the buckle can be clamped between the limiting block and the inner side surface of the concave seat.

5. The multi-specification battery storage device according to claim 4, characterized in that: The side of the limit block facing away from the limit spring is an inclined surface, and the buckle is provided with an inclined surface matching the limit block; the limit assembly also includes a connecting rod and a pull ring, the connecting rod passes through the concave seat, the inner end of the connecting rod is fixedly connected to the limit block, and the outer end of the connecting rod is installed with a pull ring.

6. The multi-specification battery storage device according to claim 1, characterized in that: The multi-specification battery cell storage device further comprises a drying component, which is arranged on the box body and can absorb moisture inside the box body.

7. The multi-specification battery storage device according to claim 6, characterized in that: The drying assembly comprises a frame, through holes and a silica gel drying plate. The frame is fixedly connected to the bottom of the box body. A plurality of through holes are connected between the box body and the frame body. A detachable silica gel drying plate is arranged inside the frame body.

8. The multi-specification battery storage device according to claim 1, characterized in that: The multi-specification battery cell storage device further comprises a slot and an insert block. The top of the cover body is provided with a slot, and the bottom of the box body is provided with an insert block corresponding to the slot.

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