CN220282187U - Puncture-preventing placement box for lithium battery winding core - Google Patents
Puncture-preventing placement box for lithium battery winding core Download PDFInfo
- Publication number
- CN220282187U CN220282187U CN202321899374.2U CN202321899374U CN220282187U CN 220282187 U CN220282187 U CN 220282187U CN 202321899374 U CN202321899374 U CN 202321899374U CN 220282187 U CN220282187 U CN 220282187U
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- battery winding
- winding core
- box body
- placement
- Prior art date
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- 238000004804 winding Methods 0.000 title claims abstract description 101
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 99
- 238000005192 partition Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 abstract description 8
- 238000003860 storage Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model relates to an anti-puncture placement box for a lithium battery winding core, which belongs to the field of lithium battery storage boxes and comprises a square box body, wherein the upper end of the box body is provided with an opening, a baffle plate is arranged in the box body, the baffle plate comprises a base plate which is horizontally arranged, the base plate is laid at the bottom in the box body, and the edge of the base plate is attached to the inner side wall of the box body; the middle position of the backing plate is provided with a vertical plate along the middle line of the length direction of the backing plate, the vertical plate is perpendicular to the backing plate, two ends of the vertical plate are attached to the inner side wall of the box body, the space in the box body is divided into two parts to form two placing cavities, and the width of each placing cavity is 100-105% of the length of a lithium battery winding core to be placed. The utility model can keep the stability of the lithium battery winding core in the transportation process and prevent the phenomenon that the lithium battery winding core is punctured in the transportation process.
Description
Technical Field
The utility model relates to the field of lithium battery storage boxes, in particular to an anti-puncture placement box for a lithium battery winding core.
Background
The lithium battery winding core is formed by winding a positive plate, a negative plate and a diaphragm which are laminated together, and is cylindrical after winding, wherein positive lugs and negative lugs welded on the positive plate and the negative plate extend out from two ends of the lithium battery winding core.
In the production process, after the lithium battery winding core is obtained by winding, the lithium battery winding core needs to be stored in a transfer container so as to be convenient to store and transport, the winding core is generally stacked in a conventional box, however, due to the fact that a limit structure for the lithium battery winding core is lacking in the box, when the lithium battery winding core is transported, the lithium battery winding core can shift due to inclination and vibration of the box, the lithium battery winding core is placed in disorder, and therefore the phenomenon that the tab pierces the lithium battery winding core possibly occurs, and potential safety hazards exist.
Based on the above, the utility model provides a puncture-preventing placement box for a lithium battery winding core, which is used for stably placing the lithium battery winding core, keeping the lithium battery winding core stable in the transportation process and preventing the lithium battery winding core from being punctured in the transportation process.
Disclosure of Invention
Based on the above, it is necessary to provide a puncture-preventing placement box for a lithium battery winding core, which comprises a square box body, wherein an opening is formed in the upper end of the box body, a partition plate is arranged in the box body, the partition plate comprises a base plate which is horizontally arranged, the base plate is laid at the bottom in the box body, and the edge of the base plate is attached to the inner side wall of the box body; the middle position of the backing plate is provided with a vertical plate along the middle line of the length direction of the backing plate, the vertical plate is perpendicular to the backing plate, two ends of the vertical plate are attached to the inner side wall of the box body, the space in the box body is divided into two parts to form two placing cavities, and the width of each placing cavity is 100-105% of the length of a lithium battery winding core to be placed.
According to the utility model, the two placing cavities separated by the partition plate are used for placing the lithium battery winding cores, wherein the lithium battery winding cores are required to be placed along the vertical direction of the vertical plate, namely along the width direction of the placing cavities, so that the lugs at the two ends of the lithium battery winding cores face the vertical plate and the inner side wall of the box body respectively, and then the lithium battery winding cores are stacked layer by layer in the placing cavities, so that the movement of the lithium battery winding cores in the box body can be effectively limited, the phenomenon that the lithium battery winding cores are penetrated by lugs due to the displacement of the lithium battery winding cores is avoided, and the potential safety hazard is eliminated.
When the lithium battery winding cores are placed layer by layer, the lithium battery winding core of the upper layer is preferably placed between two adjacent lithium battery winding cores of the lower layer, so that the rolling of the lithium battery winding cores of each layer is further limited.
In addition, the vertical plates on the partition plate can be used as holding structures of the partition plate besides separating the placing cavities on two sides, so that the partition plate can be conveniently taken out of the box body.
Further, a group of placing groove groups are arranged at the bottom of the placing cavity, each placing groove group comprises a plurality of placing grooves which are formed in the base plate, the placing grooves are distributed along the length direction of the base plate, the length direction of each placing groove is perpendicular to the vertical plate, and the width of each placing groove is smaller than or equal to the diameter of the lithium battery winding core.
According to the utility model, the placing groove is used for placing the lithium battery winding core, and after the lithium battery winding core is placed in the placing groove, the width of the placing groove is not larger than the diameter of the lithium battery winding core, so that the lithium battery winding core cannot roll in the placing groove, and the lithium battery winding core in the box body can be better limited.
In addition, because the existence of the standing groove, the lithium battery winding core stacked on the base plate cannot slide off from the base plate, so that the base plate and the lithium battery winding core on the base plate can be simultaneously taken out from the box body through the upward-pulling vertical plate, and the taking-out operation of the lithium battery winding core can be facilitated.
Further, the placement groove is formed by the concave portion of the pad plate.
In the utility model, the placing groove on the base plate is formed by partially recessing the base plate, namely, the thickness of the base plate can be smaller than the depth of the placing groove, so that the thickness of the base plate can be effectively reduced, and the purposes of increasing the portability of the partition plate and reducing the material consumption in the production process of the partition plate are achieved. Wherein, the baffle can be obtained from plastic materials through a stamping process.
Further, the length of the placing groove is 100-105% of the length of the lithium battery winding core after the positive electrode tab and the negative electrode tab are removed.
According to the utility model, the length of the placing groove is limited to 100-105% of the length of the main body of the lithium battery winding core, so that the distance of the lithium battery winding core moving transversely along the placing groove can be effectively reduced, the extrusion of the pole lugs on the lithium battery winding core can be avoided, meanwhile, the stacking structure of the lithium battery winding core stacked in the box body can be more stable, and the probability of puncture of the lithium battery winding core is further reduced.
Further, the vertical plate is further provided with an accommodating groove corresponding to the accommodating groove, the accommodating groove is vertically arranged and extends upwards out of the vertical plate, and the central line of the accommodating groove is transversely arranged on the central line of the accommodating groove corresponding to the accommodating groove.
According to the utility model, the accommodating groove is arranged in the middle of the accommodating groove in alignment, and is used for accommodating the lug on the lithium battery winding core in the corresponding accommodating groove, namely, in the process of putting the lithium battery winding core into the accommodating cavity, the lug on the accommodating groove can pass through the accommodating groove, so that the lithium battery winding core can be conveniently put in.
The principle and effect of the present utility model are further described below with reference to the above technical schemes and the accompanying drawings:
according to the utility model, the two placing cavities separated by the partition plate are used for placing the lithium battery winding cores, wherein the lithium battery winding cores are required to be placed along the vertical direction of the vertical plate, namely along the width direction of the placing cavities, so that the lugs at the two ends of the lithium battery winding cores face the vertical plate and the inner side wall of the box body respectively, and then the lithium battery winding cores are stacked layer by layer in the placing cavities, so that the movement of the lithium battery winding cores in the box body can be effectively limited, the phenomenon that the lithium battery winding cores are penetrated by lugs due to the displacement of the lithium battery winding cores is avoided, and the potential safety hazard is eliminated. In addition, the vertical plates on the partition plate can be used as holding structures of the partition plate besides separating the placing cavities on two sides, so that the partition plate can be conveniently taken out of the box body.
Drawings
Fig. 1 is a schematic structural view of a puncture-preventing placement box for a lithium battery winding core according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a separator according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a separator according to an embodiment of the present utility model.
Reference numerals
1-box body, 21-backing plate, 211-placing groove, 22-vertical plate and 221-containing groove.
Detailed Description
For the convenience of understanding by those skilled in the art, the present utility model will be described in further detail with reference to the accompanying drawings and examples:
1-3, a puncture-preventing placement box for a lithium battery winding core comprises a square box body 1, wherein an opening is formed in the upper end of the box body 1, a partition plate is arranged in the box body 1 and comprises a base plate 21 which is horizontally arranged, the base plate 21 is laid at the bottom in the box body 1, and the edge of the base plate 21 is attached to the inner side wall of the box body 1; the middle position of the backing plate 21 is provided with a vertical plate 22 along the central line of the length direction of the backing plate, the vertical plate 22 is perpendicular to the backing plate 21, two ends of the vertical plate 22 are attached to the inner side wall of the box body 1, the space in the box body 1 is divided into two parts, two placing cavities are formed, and the width of each placing cavity is 100-105% of the length of a lithium battery winding core to be placed.
In the utility model, two placing cavities separated by the partition plates are used for placing the lithium battery winding cores, wherein the lithium battery winding cores are required to be placed along the vertical direction of the vertical plate 22, namely along the width direction of the placing cavities, so that the lugs at two ends of the lithium battery winding cores face the vertical plate 22 and the inner side wall of the box body 1 respectively, and then the lithium battery winding cores are stacked layer by layer in the placing cavities, so that the movement of the lithium battery winding cores in the box body 1 can be effectively limited, the phenomenon that the lithium battery winding cores are penetrated by the lugs due to the displacement of the lithium battery winding cores is avoided, and the potential safety hazard is eliminated.
When the lithium battery winding cores are placed layer by layer, the lithium battery winding core of the upper layer is preferably placed between two adjacent lithium battery winding cores of the lower layer, so that the rolling of the lithium battery winding cores of each layer is further limited.
In addition, the upright plates 22 on the partition plate can be used as holding structures of the partition plate besides separating the placing cavities on two sides, so as to facilitate the removal of the partition plate from the box body 1.
In one embodiment, a set of placing grooves 211 is disposed at the bottom of the placing cavity, the placing grooves 211 include a plurality of placing grooves 211 formed in the backing plate 21, the placing grooves 211 are arranged along the length direction of the backing plate 21, the length direction of the placing grooves 211 is perpendicular to the standing plate 22, and the width of the placing grooves 211 is smaller than or equal to the diameter of the lithium battery winding core.
In this embodiment, the placement groove 211 is used for placing a lithium battery winding core, and after the lithium battery winding core is placed in the placement groove 211, the lithium battery winding core cannot roll in the placement groove 211 because the width of the placement groove 211 is not greater than the diameter of the lithium battery winding core, so that the lithium battery winding core in the box body 1 can be better limited.
In addition, because the lithium battery winding core stacked on the base plate 21 cannot slide off from the base plate 21 due to the placement groove 211, the base plate 21 and the lithium battery winding core on the base plate 21 can be simultaneously taken out from the box body 1 through the upward-pulling vertical plate 22, that is, the taking-out operation of the lithium battery winding core can be facilitated.
In one embodiment, the placement groove 211 is formed by partially recessing the pad 21.
In this embodiment, the placement groove 211 on the pad 21 is partially recessed by the pad 21, that is, the thickness of the pad 21 can be smaller than the depth of the placement groove 211, so that the thickness of the pad 21 can be effectively reduced, and the purposes of increasing the portability of the separator and reducing the material consumption in the separator production process are achieved. Wherein, the baffle can be obtained from plastic materials through a stamping process.
In one embodiment, the length of the placement groove 211 is 100-105% of the length of the lithium battery winding core after the positive electrode tab and the negative electrode tab are removed.
In this embodiment, the length of the placement groove 211 is limited to 100-105% of the length of the main body of the lithium battery winding core, so that the distance of the lithium battery winding core moving transversely along the placement groove 211 can be effectively reduced, the pole lugs on the lithium battery winding core can be prevented from being extruded, meanwhile, the stacking structure of the lithium battery winding core stacked in the box body 1 can be more stable, and the probability of puncture of the lithium battery winding core is further reduced.
In one embodiment, the standing plate 22 is further provided with a receiving groove 221 corresponding to the placement groove 211, the receiving groove 221 is vertically disposed and extends upwards out of the standing plate 22, and a center line of the receiving groove 221 is transversely disposed opposite to a center line of the corresponding placement groove 211.
In this embodiment, the accommodating groove 221 is aligned with the middle position of the placement groove 211, and is configured to accommodate the tab on the lithium battery winding core in the corresponding placement groove 211, that is, in the process of placing the lithium battery winding core into the placement cavity, the tab thereon may pass through the placement groove 211, so that the placement of the lithium battery winding core may be facilitated.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (5)
1. The puncture-preventing placement box for the lithium battery winding core comprises a square box body, wherein an opening is formed in the upper end of the box body, and the puncture-preventing placement box is characterized in that a partition plate is arranged in the box body and comprises a base plate which is horizontally arranged, the base plate is laid at the bottom in the box body, and the edge of the base plate is attached to the inner side wall of the box body; the middle position of the backing plate is provided with a vertical plate along the middle line of the length direction of the backing plate, the vertical plate is perpendicular to the backing plate, two ends of the vertical plate are attached to the inner side wall of the box body, the space in the box body is divided into two parts to form two placing cavities, and the width of each placing cavity is 100-105% of the length of a lithium battery winding core to be placed.
2. The puncture-preventing placement box for a lithium battery winding core according to claim 1, wherein a group of placement groove groups are arranged at the bottom of the placement cavity, each placement groove group comprises a plurality of placement grooves formed in the base plate, the placement grooves are distributed along the length direction of the base plate, and the length direction of the placement grooves is perpendicular to the vertical plate.
3. The puncture resistant placement box for a lithium battery winding core as set forth in claim 2, wherein the placement groove is formed by the pad portion being recessed.
4. The puncture preventing placement box for a lithium battery winding core according to claim 2, wherein the length of the placement groove is 100-105% of the length of the lithium battery winding core after the positive electrode tab and the negative electrode tab are removed.
5. The puncture preventing placement box for a lithium battery winding core according to any one of claims 2 to 4, wherein an accommodating groove is further formed in the vertical plate corresponding to the placement groove, the accommodating groove is vertically arranged and extends upwards out of the vertical plate, and a central line of the accommodating groove is transversely arranged to a central line of the corresponding placement groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321899374.2U CN220282187U (en) | 2023-07-19 | 2023-07-19 | Puncture-preventing placement box for lithium battery winding core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321899374.2U CN220282187U (en) | 2023-07-19 | 2023-07-19 | Puncture-preventing placement box for lithium battery winding core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220282187U true CN220282187U (en) | 2024-01-02 |
Family
ID=89338751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321899374.2U Active CN220282187U (en) | 2023-07-19 | 2023-07-19 | Puncture-preventing placement box for lithium battery winding core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220282187U (en) |
-
2023
- 2023-07-19 CN CN202321899374.2U patent/CN220282187U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |