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CN-224217673-U - Tab bracket, coil core assembly, battery and vehicle

CN224217673UCN 224217673 UCN224217673 UCN 224217673UCN-224217673-U

Abstract

The utility model belongs to the technical field of batteries, and discloses a tab bracket, a winding core assembly, a battery and a vehicle, wherein the tab bracket is provided with a first supporting surface, the first supporting surface is provided with a supporting groove, when the tab bracket is clamped between the winding core and a polar plate, the first supporting surface is located the one end that the utmost point ear support deviates from the core of rolling up to support in the polar plate, the utmost point ear clamp of rolling up the core is located between tank bottom and the polar plate of supporting slot, and the core subassembly is rolled up including rolling up core, polar plate and above-mentioned utmost point ear support, and the battery includes above-mentioned core subassembly of rolling up, and the vehicle includes above-mentioned battery. According to the utility model, the lug support is arranged between the winding core and the polar plate, the lug support is propped against the winding core, the polar plate is supported by the first support surface on the lug support, and the lug of the winding core is accommodated and supported by the support groove concavely arranged on the first support surface, so that the polar plate can be reliably supported and fixed on the basis of propping against the lug, the position and the position of the polar plate are ensured, and the assembly efficiency and quality of the winding core assembly and the cover plate assembly are improved.

Inventors

  • SUN WEI
  • LIU ZHIMIN
  • LI WEI
  • ZHAO JIAXING

Assignees

  • 北京车和家汽车科技有限公司

Dates

Publication Date
20260508
Application Date
20250331

Claims (14)

  1. 1. The pole ear support is characterized in that the pole ear support is provided with a first supporting surface (321), the first supporting surface (321) is provided with a supporting groove (322), when the pole ear support is clamped between the winding core (1) and the pole plate (2), the first supporting surface (321) is positioned at one end, deviating from the winding core (1), of the pole ear support and is propped against the pole plate (2), and the pole ear of the winding core (1) is clamped between the groove bottom of the supporting groove (322) and the pole plate (2).
  2. 2. The tab support according to claim 1, characterized in that the tab support comprises a bottom support plate (31) and a support table (32) which are connected with each other, the bottom support plate (31) is propped against the winding core (1), the support table (32) is convexly arranged on one side of the bottom support plate (31), and the first support surface (321) is arranged at one end of the support table (32) deviating from the bottom support plate (31).
  3. 3. The tab support according to claim 2, wherein two of the bottom support plates (31) are provided, and the two bottom support plates (31) are disposed at a distance.
  4. 4. A tab support according to claim 2 or 3, wherein the support (32) is provided with a relief groove (323) towards one end of the winding core (1).
  5. 5. The tab support according to claim 4, wherein the relief groove (323) is provided with a reinforcing rib (324).
  6. 6. The pole ear support is propped against the pole core (1), the first supporting surface (321) is propped against the pole plate (2), and the pole ear of the pole core (1) is clamped between the bottom of the supporting groove (322) and the pole plate (2).
  7. 7. The winding core assembly according to claim 6, further comprising a winding core support (4), wherein the tab support comprises a bottom support plate (31) and a support table (32) which are connected with each other, the support table (32) is convexly arranged on one side of the bottom support plate (31), the first support surface (321) is arranged at one end of the support table (32) deviating from the bottom support plate (31), the winding core support (4) is provided with a positioning through hole (41), the winding core support (4) is abutted against the winding core (1), and the support table (32) is arranged in the positioning through hole (41) in a penetrating manner.
  8. 8. Core assembly according to claim 7, characterized in that the side of the core holder (4) facing the core (1) is provided with a first accommodation groove (42), in which first accommodation groove (42) the bottom stay (31) is accommodated.
  9. 9. Core assembly according to claim 7, characterized in that the side of the core holder (4) facing the core (1) is provided with a second accommodation groove (43), the tabs being accommodated in the second accommodation groove (43) and the support groove (322).
  10. 10. Core assembly according to claim 7, characterized in that the support slot (322) is arranged through in a second direction, in which the support table (32) and the inner wall of the positioning through hole (41) are arranged at a distance from each other.
  11. 11. Core assembly according to claim 7, characterized in that the side of the core holder (4) facing away from the core (1) is provided with a flange (44), which flange (44) is arranged around the periphery of the positioning through hole (41).
  12. 12. Core assembly according to claim 7, characterized in that one of the bottom stay (31) and the core holder (4) is provided with a clamping head (311) and the other is provided with a bayonet (45), the clamping head (311) being clamped to the bayonet (45).
  13. 13. The battery is characterized by comprising a cover plate assembly (100) and the winding core assembly according to any one of claims 6-12, wherein the polar plate (2) is arranged in a polar column hole of the cover plate assembly (100) in a penetrating way.
  14. 14. A vehicle comprising a vehicle body and the battery of claim 13, the battery being mounted to the vehicle body.

Description

Tab bracket, coil core assembly, battery and vehicle Technical Field The utility model relates to the technical field of batteries, in particular to a tab bracket, a winding core assembly, a battery and a vehicle. Background The secondary battery has the advantages of high power density, high energy density, long storage time, multiple times of recycling and the like, and has wide application in large and medium-sized electric equipment such as electric vehicles such as electric bicycles, electric automobiles and the like and energy storage facilities. The secondary battery generally comprises a winding core component, a shell for accommodating the winding core component and a cover plate component for covering an opening of the shell, in order to improve the volume energy density of the secondary battery, when the secondary battery is assembled, the pole lugs of the winding core in the winding core component are welded with the pole plates, the winding core component and the cover plate component after the assembly are aligned, the pole plates can penetrate into pole post holes of pole posts on the cover plate component from the inner side to be welded, and in the prior art, the position and the position of the pole plates cannot be ensured due to the fact that the pole lugs are not enough to support the pole plates, so that the efficiency and the quality of the assembly of the winding core component and the cover plate component are affected. Disclosure of utility model The utility model aims to provide a tab support, a winding core assembly, a battery and a vehicle, which can reliably support a pole plate. To achieve the purpose, the utility model adopts the following technical scheme: The pole ear support is provided with a first supporting surface, the first supporting surface is provided with a supporting groove, and when the pole ear support is clamped between the winding core and the pole plate, the first supporting surface is positioned at one end of the pole ear support, which is away from the winding core, and is propped against the pole plate, and the pole ear clamp of the winding core is arranged at the bottom of the supporting groove and between the pole plate. Preferably, the tab support comprises a bottom supporting plate and a supporting table which are connected with each other, the bottom supporting plate is propped against the winding core, the supporting table is convexly arranged on one side of the bottom supporting plate, and the first supporting surface is arranged at one end, deviating from the bottom supporting plate, of the supporting table. Preferably, two bottom support plates are arranged at intervals. Preferably, an avoidance groove is formed in one end, facing the winding core, of the supporting table. Preferably, the avoidance groove is provided with a reinforcing rib. The pole lug support is propped against the winding core, the first supporting surface is propped against the pole plate, and the pole lug clamp of the winding core is arranged between the bottom of the supporting groove and the pole plate. Preferably, the pole ear support comprises a bottom supporting plate and a supporting table which are connected with each other, the supporting table is convexly arranged on one side of the bottom supporting plate, the first supporting surface is arranged at one end, deviating from the bottom supporting plate, of the supporting table, the core winding support is provided with a positioning through hole, the core winding support is propped against the core winding support, and the supporting table is arranged in the positioning through hole in a penetrating mode. Preferably, a first accommodating groove is formed in one side, facing the winding core, of the winding core support, and the bottom support plate is accommodated in the first accommodating groove. Preferably, a second accommodating groove is formed in one side, facing the winding core, of the winding core support, and the tab is accommodated in the second accommodating groove and the supporting groove. Preferably, the supporting groove is arranged to penetrate along a second direction, and in the second direction, the supporting table and the inner wall of the positioning through hole are arranged at intervals. Preferably, a flange is arranged on one side of the winding core support, which is away from the winding core, and the flange is arranged on the periphery of the positioning through hole in a surrounding manner. Preferably, one of the bottom support plate and the winding core support is provided with a clamping head, and the other is provided with a bayonet, and the clamping head is clamped in the bayonet. The battery comprises a cover plate assembly and the winding core assembly, and the polar plate is arranged in a polar column hole of the cover plate assembly in a penetrating mode. The vehicle comprises a vehicle body and the battery, wherein the battery is mounted on the vehicle body. The utility model h