Tray structure for preventing battery cell from rotating

Abstract

The utility model discloses a tray structure for preventing a battery cell from rotating, which comprises a tray main body and a limiting lining, and the tray main body is provided with a plurality of battery cell placing grooves; the plurality of limiting linings are in one-to-one correspondence with the plurality of battery cell placing grooves; and the limiting lining is detachably arranged on the tray main body and is positioned at the top of the battery cell placing groove. Wherein a plurality of convex blocks which are arranged at intervals are annularly arranged on the inner side of the limiting lining, the diameter formed by the convex blocks in an annular array is smaller than the diameter of the battery cell, and when the battery cell penetrates through the limiting lining and is placed in the battery cell containing groove, the convex blocks abut against the outer side wall of the battery cell and clamp and fix the battery cell. Therefore, the problem that the battery cell shakes and rotates when being placed in the battery cell placing groove with a larger diameter is effectively solved. Besides, when a battery cell with a smaller specification needs to be replaced, the battery cell can be clamped and fixed only by replacing the limiting lining corresponding to the specification of the battery cell, so that the whole tray main body does not need to be replaced, and the production and manufacturing cost is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the field of battery trays, in particular to a tray structure for preventing battery cores from rotating. Background Art

[0002] Cylindrical lithium-ion battery is a high-tech product, and also a new type of high-capacity, long-life environmentally friendly battery. It is composed of positive and negative plates and solid electrolytes, and has excellent product performance. Compared with nickel-cadmium and nickel-metal hydride batteries, lithium-ion batteries have many advantages such as high voltage, large specific energy, long cycle life, good safety performance, low self-discharge, no memory effect, fast charging and discharging, and a wide operating temperature range.

[0003] At present, in order to reduce costs and for safety reasons, the injection holes of cylindrical batteries are mostly designed to be eccentric and separated from the poles to ensure their safety. When injecting liquid into battery cells, in order to improve the injection efficiency, multiple cells are generally injected at the same time. At this time, a battery tray is needed to place the cells and ensure that the position of the cells during injection corresponds to the position of the injection nozzle of the injection machine. Among them, the battery tray is provided with a plurality of cell placement holes, and the cell placement holes are only suitable for cells of one specification and size. When replacing cells of different specifications and sizes, a battery tray that matches the size of the cell is required, so that multiple sets of battery trays need to be designed, which is costly and has low applicability. Utility Model Content

[0004] In order to overcome the defects of the prior art described above, the utility model provides a tray structure for preventing battery cells from rotating, so as to solve the shortcomings of the battery tray mentioned in the background art, such as low applicability.

[0005] The technical solution adopted by the utility model to solve the problem is:

[0006] A tray structure for preventing a battery core from rotating, comprising:

[0007] The tray body is provided with a plurality of battery cell placement slots with top openings;

[0008] A plurality of limiting liners are provided and correspond one to one with the plurality of battery cell placement slots; the limiting liners are detachably mounted on the tray body and are located at the tops of the battery cell placement slots;

[0009] Among them, the limiting lining is an annular structure and its inner side ring is provided with a plurality of spaced protrusions, the diameter formed by the annular array of the plurality of protrusions is smaller than the diameter of the battery cell, when the battery cell passes through the limiting lining and is placed in the battery cell placement groove, the plurality of protrusions are in contact with the outer side wall of the battery cell and clamp the battery cell.

[0010] Furthermore, a mounting groove located at the top of the battery cell placement groove and connected to the battery cell placement groove is provided on the tray body, and the limiting liner is detachably mounted in the mounting groove by interference fit.

[0011] Furthermore, the outer ring diameter of the limiting liner is larger than the diameter of the mounting groove, so that an interference fit is formed between the limiting liner and the mounting groove when the limiting liner is installed in the mounting groove.

[0012] Furthermore, a chamfered structure is provided at a position on the protrusion for contacting the battery cell.

[0013] Furthermore, it also includes a plurality of connecting blocks, wherein the plurality of the limiting liners are arranged in a rectangular array, and two adjacent limiting liners arranged side by side are connected by connecting blocks, and the plurality of the connecting blocks connect the plurality of the limiting liners arranged side by side in series in sequence.

[0014] Furthermore, the plurality of position limiting liners and the plurality of connection blocks are integrally formed.

[0015] Furthermore, it also includes a plurality of connecting grooves provided on the tray body, wherein the plurality of mounting grooves are arranged in a rectangular array, and two adjacent mounting grooves arranged side by side are connected through the connecting grooves, and the plurality of connecting grooves sequentially connect the plurality of mounting grooves arranged side by side;

[0016] The plurality of connection grooves correspond to the plurality of connection blocks one by one, respectively, and the connection grooves are adapted to the shapes of the connection blocks.

[0017] Furthermore, the connection block and the connection groove are positioned and clamped by a clamping structure, and the clamping structure includes a clamping block and a clamping hole, one of the clamping block and the clamping hole is arranged on the connection block, and the other is arranged on the connection groove.

[0018] Furthermore, it also includes a cover plate, which is detachably covered on the top of the tray body and presses the plurality of the limiting liners, and the cover plate is provided with a plurality of through holes, which respectively correspond to the plurality of the limiting liners and the plurality of the battery cell placement grooves, and the through holes connect the limiting liners and the battery cell placement grooves.

[0019] Furthermore, the limiting lining is made of EPDM rubber.

[0020] In summary, the utility model provides a tray structure for preventing the battery core from rotating, which has the following features:

[0021] Beneficial effects:

[0022] (1) The tray structure of the utility model provides a limiting lining on the tray body. When the battery cell passes through the limiting lining and is placed in the battery cell placement groove, the multiple protrusions on the limiting lining abut against the outer side of the battery cell and clamp the battery cell in place, thereby effectively solving the problem of shaking and rotating of the battery cell placed in the battery cell placement groove with a slightly larger diameter, thereby ensuring that the injection hole on the battery cell and the injection nozzle on the injection machine are accurately aligned.

[0023] (2) The tray structure of the utility model can realize quick disassembly and replacement of the limiting liner because the limiting liner is detachably installed on the installation groove by interference fit. When replacing a battery cell with a smaller specification, it is only necessary to replace the limiting liner corresponding to the size of the battery cell to clamp and fix the battery cell. There is no need to replace the entire tray body, which greatly reduces the production cost.

[0024] (3) The tray structure of the utility model can not only avoid scratches and wear on the appearance of the battery cell when contacting the battery cell by chamfering the portion of the limiting lining that contacts the battery cell, but also the chamfer structure can guide the battery cell when inserted into the battery cell placement slot.

[0025] (4) In the tray structure of the utility model, the limiting lining is made of EPDM rubber, which can not only undergo elastic deformation to a certain extent, but also resist electrolyte corrosion, thereby increasing its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is an exploded schematic diagram of the tray structure of the utility model;

[0027] Figure 2 for Figure 1 The enlarged schematic diagram of the middle A part;

[0028] Figure 3 for Figure 1 The enlarged schematic diagram of the middle part B;

[0029] Figure 4 It is a structural schematic diagram of the tray structure of the utility model.

[0030] The meanings of the reference numerals are as follows:

[0031] 1. Tray body; 11. Cell placement slot; 12. Mounting slot; 13. Connection slot; 131. Clamp block; 14. Second mounting hole; 2. Position limiting lining; 21. Bump; 211. Chamfered structure; 3. Connection block; 31. Clamp hole; 4. Cover plate; 41. Through hole; 42. First mounting hole. DETAILED DESCRIPTION

[0032] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0033] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the modules or components referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0035] See also Figure 1-4 The utility model provides a tray structure for preventing battery cells from rotating, comprising a rectangular tray body 1, on which a plurality of battery cell placement grooves 11 with top openings are provided. It can be understood that the diameter of the battery cell placement grooves 11 is slightly larger than the diameter of the battery cell, so that the battery cell is conveniently inserted and removed from the battery cell placement grooves 11; in addition, it also comprises a plurality of limiting liners 2 corresponding to the plurality of battery cell placement grooves 11, the limiting liners 2 are made of elastic material, the limiting liners 2 are detachably mounted on the tray body 1 and are located at the top of the battery cell placement grooves 11; specifically, the limiting liners 2 are annular structures and a plurality of spaced protrusions 21 are arranged on the inner side thereof, the diameter formed by the annular array of the plurality of protrusions 21 is smaller than the diameter of the battery cell, and when the battery cell passes through the limiting liners 2 and is placed in the battery cell placement grooves 11, the plurality of protrusions 21 all abut against the outer wall of the battery cell and clamp the battery cell.

[0036] Preferably, the limiting liner 2 and the connecting block 3 are both made of EPDM rubber, which can not only undergo elastic deformation to a certain extent, thereby facilitating quick-disassembly assembly, but is also resistant to electrolyte corrosion, thereby increasing its service life.

[0037] Therefore, by providing a limiting lining 2 on the tray body 1, when the battery cell passes through the limiting lining 2 and is placed in the battery cell placement groove 11, the multiple protrusions 21 on the limiting lining 2 all abut against the outer side of the battery cell and clamp the battery cell firmly, thereby effectively solving the problem of shaking and rotating of the battery cell placed in the battery cell placement groove with a slightly larger diameter, thereby ensuring that the injection hole on the battery cell and the injection nozzle on the injection machine are accurately aligned.

[0038] Specifically, the tray body 1 is provided with a mounting groove 12 located at the top of the battery cell placement groove 11 and connected to the battery cell placement groove 11. The shape of the mounting groove 12 is adapted to the limiting liner 2 and is aligned with the center of the battery cell placement groove 11. The limiting liner 2 is detachably pressed into the mounting groove 12 by interference fit. The outer ring diameter of the limiting liner 2 is larger than the diameter of the mounting groove 12, so that when the limiting liner 2 is installed in the mounting groove 12, an interference fit is formed between the two.

[0039] Since the limiting liner 2 is detachably installed on the mounting groove 12 by interference fit, the limiting liner 2 can be quickly disassembled and replaced. When replacing a battery cell with a smaller specification, it is only necessary to replace the limiting liner 2 corresponding to the size of the battery cell to clamp and fix the battery cell, thereby eliminating the need to replace the entire tray body 1, thereby greatly reducing the production cost.

[0040] It should be noted that, in other embodiments, the limiting liner 2 may also be connected to the tray body 1 by other detachable connection methods (such as screw connection), which is not limited here.

[0041] See also Figure 3 Furthermore, a chamfered structure 211 is provided on the position of the protrusion 21 for contacting the battery cell. Specifically, the chamfered structure 211 is provided on the inner top edge of the protrusion 21 and forms a slope. The slope can not only avoid scratches and wear on the appearance of the battery cell when contacting the battery cell, but also the chamfered structure 211 can guide the insertion of the battery cell into the battery cell placement groove 11.

[0042] Of course, in other embodiments, the chamfered structure 211 may also be a curved surface, which is not limited here.

[0043] See also Figure 1-3 , and also includes a plurality of connection blocks 3, a plurality of limiting liners 2 are arranged in a rectangular array, and two adjacent limiting liners 2 are connected by a connection block 3, and a plurality of connection blocks 3 sequentially connect the plurality of limiting liners 2 arranged in parallel. Similarly, it also includes a plurality of connection grooves 13 opened on the tray body 1, a plurality of installation grooves 12 are arranged in a rectangular array, and two adjacent installation grooves 12 are connected by a connection groove 13, and a plurality of connection grooves 13 sequentially connect the plurality of installation grooves 12 arranged in parallel; the plurality of connection grooves 13 correspond to the plurality of connection blocks 3 one by one, and the shape of the connection grooves 13 and the connection blocks 3 are adapted.

[0044] Furthermore, the connection block 3 and the connection groove 13 are positioned and clamped by a clamping structure, and the clamping structure includes a clamping block 131 arranged on the connection groove 13 and a clamping hole 31 opened on the connection block 3. The connection block 3 can be fixed in the connection groove 13 by clamping the clamping block 131 in the clamping hole 31.

[0045] Therefore, by setting up multiple connecting blocks 3, multiple limiting liners 2 are connected in series in sequence, and the connecting blocks 3 and the connecting grooves 13 are positioned and clamped by a snap-fit ​​structure. Such a setting can further improve the installation stability of the limiting liners 2 and prevent the limiting liners 2 from being offset and rotated.

[0046] It should be noted that in other embodiments, the setting positions of the block 131 and the hole 31 may be interchanged, that is, the block 131 may be set on the connecting block 3, and the hole 31 may be opened on the connecting groove 13, which can also achieve the same technical effect, and is not limited here.

[0047] In this embodiment, the plurality of limiting liners 2 and the plurality of connecting blocks 3 are integrally formed.

[0048] See also Figure 1 and Figure 4 The tray structure also includes a cover plate 4, which is detachably covered on the top of the tray body 1 and presses the plurality of limiting liners 2; wherein the cover plate 4 is provided with a plurality of through holes 41, which respectively correspond to the plurality of limiting liners 2 and the plurality of battery cell placement grooves 11, and the through holes 41 are connected to the limiting liners 2 and the battery cell placement grooves 11.

[0049] Specifically, the cover plate 4 is provided with a plurality of first mounting holes 42, and the tray body 1 is provided with a plurality of second mounting holes 14 corresponding to the plurality of first mounting holes 42; thus, the cover plate 4 can be fixed to the tray body 1 by using fasteners to pass through the first mounting holes 42 and be fixed in the second mounting holes 14. Preferably, the first mounting holes 42 are through holes, the second mounting holes 14 are screw holes, and the fasteners are fastening bolts adapted to the screw holes.

[0050] In summary, the utility model provides a tray structure for preventing the battery core from rotating, which has the following features:

[0051] Beneficial effects:

[0052] (I) The tray structure of the utility model is provided with a limiting lining 2 on the tray body 1. When the battery cell passes through the limiting lining 2 and is placed in the battery cell placement groove 11, the multiple protrusions 21 on the limiting lining 2 are all in contact with the outer side of the battery cell and clamp the battery cell, thereby effectively solving the problem of shaking and rotating of the battery cell placed in the battery cell placement groove 11 with a slightly larger diameter, thereby ensuring that the injection hole on the battery cell and the injection nozzle on the injection machine are accurately aligned.

[0053] (ii) The tray structure of the utility model can realize quick disassembly and replacement of the limiting liner 2 because the limiting liner 2 is detachably installed on the mounting groove 12 by interference fit. When replacing a battery cell with a smaller specification, it is only necessary to replace the limiting liner 2 corresponding to the size of the battery cell to clamp and fix the battery cell, thereby eliminating the need to replace the entire tray body 1, thereby greatly reducing the production cost.

[0054] (III) The tray structure of the utility model can not only avoid scratches and wear on the appearance of the battery cell when contacting the battery cell by chamfering the portion of the limiting liner 2 that contacts the battery cell, but also the chamfer structure 211 can guide the battery cell when inserted into the battery cell placement groove 11.

[0055] (IV) In the tray structure of the utility model, the limiting lining 2 is made of EPDM rubber, which can not only undergo elastic deformation to a certain extent, but also resist electrolyte corrosion, thereby increasing its service life.

[0056] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0057] It should be understood that the orientations or positional relationships indicated by the terms "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the modules or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0058] In addition, in the description of the present utility model, "multiple" and "several" mean two or more than two, unless otherwise clearly and specifically defined.

[0059] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A tray structure for preventing battery cores from rotating, characterized in that: include: The tray body is provided with a plurality of battery cell placement slots with top openings; A plurality of limiting liners are provided and correspond one to one with the plurality of battery cell placement slots; the limiting liners are detachably mounted on the tray body and are located at the tops of the battery cell placement slots; Among them, the limiting lining is an annular structure and its inner side ring is provided with a plurality of spaced protrusions, the diameter formed by the annular array of the plurality of protrusions is smaller than the diameter of the battery cell, when the battery cell passes through the limiting lining and is placed in the battery cell placement groove, the plurality of protrusions are in contact with the outer side wall of the battery cell and clamp the battery cell.

2. The tray structure for preventing battery core from rotating according to claim 1, characterized in that: The tray body is provided with an installation groove which is located at the top of the battery cell placement groove and communicates with the battery cell placement groove, and the limiting liner is detachably installed in the installation groove by interference fit.

3. The tray structure for preventing battery core from rotating according to claim 2, characterized in that: The outer ring diameter of the limiting liner is larger than the diameter of the mounting groove, so that an interference fit is formed between the limiting liner and the mounting groove when the limiting liner is installed in the mounting groove.

4. The tray structure for preventing battery core from rotating according to claim 1, characterized in that: A chamfered structure is provided on the convex block at a position for contacting the battery core.

5. The tray structure for preventing battery core from rotating according to claim 2, characterized in that: It also includes a plurality of connection blocks, wherein the plurality of the limiting liners are arranged in a rectangular array, and two adjacent limiting liners arranged side by side are connected by a connection block, and the plurality of the connection blocks sequentially connect the plurality of the limiting liners arranged side by side in series.

6. The tray structure for preventing battery core from rotating according to claim 5, characterized in that: The plurality of position limiting liners and the plurality of connection blocks are integrally formed.

7. The tray structure for preventing battery core from rotating according to claim 5, characterized in that: It also includes a plurality of connecting grooves provided on the tray body, wherein the plurality of mounting grooves are arranged in a rectangular array, and two adjacent mounting grooves arranged side by side are connected through the connecting grooves, and the plurality of connecting grooves sequentially connect the plurality of mounting grooves arranged side by side; The plurality of connection grooves correspond to the plurality of connection blocks one by one, respectively, and the connection grooves are adapted to the shapes of the connection blocks.

8. The tray structure for preventing battery core from rotating according to claim 7, characterized in that: The connection block and the connection groove are positioned and clamped by a clamping structure, and the clamping structure includes a clamping block and a clamping hole, one of the clamping block and the clamping hole is arranged on the connection block, and the other is arranged on the connection groove.

9. The tray structure for preventing battery core from rotating according to claim 1, characterized in that: It also includes a cover plate, which is detachably covered on the top of the tray body and presses the plurality of limiting liners, and the cover plate is provided with a plurality of through holes, which respectively correspond to the plurality of limiting liners and the plurality of battery cell placement slots, and the through holes connect the limiting liners and the battery cell placement slots.

10. The tray structure for preventing battery core from rotating according to any one of claims 1 to 9, characterized in that: The limiting lining is made of EPDM rubber.

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