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CN-224217564-U - Battery cell

CN224217564UCN 224217564 UCN224217564 UCN 224217564UCN-224217564-U

Abstract

The utility model discloses a battery, which comprises a bracket body, a battery core and a limiting piece, wherein the bracket body is provided with a battery core accommodating groove, one side of the battery core accommodating groove facing a first direction is provided with a communication port, the battery core comprises a battery core body, a tab and a tab rubber sealing edge, the battery core body is positioned in the battery core accommodating groove, one side of the battery core body is provided with the tab and the tab rubber sealing edge, at least part of the tab extends out of the battery core accommodating groove through the communication port, the limiting piece comprises a first retaining wall and a second retaining wall, at least one of the first retaining wall and the second retaining wall is connected with the bracket body, the tab rubber sealing edge is in limiting fit with the first retaining wall in the first direction, and the tab rubber sealing edge is in limiting fit with the second retaining wall in the second direction. In the battery disclosed by the utility model, the limit piece can limit the tab glue edge along the first direction and the second direction of the battery, so that the risk of deflection of the welding position of the battery core is avoided, and the assembly precision of the battery is improved.

Inventors

  • ZHANG ZHIQIANG
  • FENG XIANGNAN
  • ZHAN KUN
  • XU HANGJIA
  • ZHENG ZIYANG

Assignees

  • 浙江欣旺达电子有限公司

Dates

Publication Date
20260508
Application Date
20250508

Claims (10)

  1. 1. A battery having intersecting first (X) and second (Y) directions, the battery comprising: the battery cell bracket comprises a bracket body (100), wherein the bracket body (100) is provided with a battery cell accommodating groove (110), one side of the battery cell accommodating groove (110) facing the first direction (X) is provided with a communication port (111), and the communication port (111) penetrates through the groove wall of the battery cell accommodating groove (110); The battery cell (200), the battery cell (200) comprises a battery cell body (210), a tab (220) and a tab adhesive edge seal (230), the battery cell body (210) is positioned in the battery cell accommodating groove (110), one side of the battery cell body (210) is provided with the tab (220) and the tab adhesive edge seal (230), and at least part of the tab (220) extends out of the battery cell accommodating groove (110) through the communication port (111); The limiting piece (400), locating of limiting piece (400) support body (100), and be located electric core holding tank (110) are equipped with one side of intercommunication port (111), limiting piece (400) are including first barricade (410) and second barricade (420), first barricade (410) with at least one in the second barricade with support body (100) are connected, utmost point ear glue edge (230) along first direction (X) with first barricade (410) limit fit, utmost point ear glue edge (230) along second direction (Y) with second barricade (420) limit fit.
  2. 2. The battery according to claim 1, wherein the tab adhesive seal (230) comprises a seal body (231), a first folded section (232) and a second folded section (233), the seal body (231) is provided on the battery cell body (210), and the first folded section (232) and the second folded section (233) are respectively located at two ends of the seal body (231) and are overlapped with the seal body (231); The number of the limiting pieces (400) is at least two, namely a first limiting piece (401) and a second limiting piece (402), the first limiting piece (401) is arranged opposite to the first folding section (232), and the second limiting piece (402) is arranged opposite to the second folding section (233).
  3. 3. The battery of claim 1, wherein the first retaining wall (410) has a first side (411), a second side (412), a third side (413) and a fourth side (414) connected end to end in sequence, the first side (411) and the third side (413) are disposed opposite, the second side (412) and the fourth side (414) are disposed opposite, the first side (411) is connected with a bottom of the cell receiving groove (110), the third side (413) is connected with the second retaining wall (420), and one of the second side (412) and the fourth side (414) is connected with a side wall of the cell receiving groove (110).
  4. 4. A battery according to claim 3, wherein the angle between the first wall (410) and the second wall (420) is a right angle.
  5. 5. A battery according to claim 3, wherein the second retaining wall (420) has adjacent first (421) and second (422) connecting edges, the first connecting edge (421) being connected to the third side (413), the second connecting edge (422) being located on a side of the first retaining wall (410) that is connected to the side wall of the cell receiving channel (110) and connected to the side wall of the cell receiving channel (110).
  6. 6. The battery according to claim 1, wherein the first retaining wall (410) is provided with a first lightening hole (415), the first lightening hole (415) penetrating the first retaining wall (410) along the first direction (X).
  7. 7. The battery according to claim 1, wherein the bracket body (100) is provided with a circuit board attaching region (120) arranged in parallel with the battery cell accommodating groove (110), the circuit board attaching region (120) is communicated with the battery cell accommodating groove (110) through the communication port (111), and the circuit board attaching region (120) is used for attaching a circuit board (300) of the battery.
  8. 8. The battery according to claim 7, wherein the circuit board attaching region (120) is provided with a plurality of positioning projections (130), and a plurality of the positioning projections (130) are in positioning engagement with the circuit board (300); The bracket body (100) is further provided with a reinforcing rib (140), the limiting piece (400) is connected with at least one positioning protrusion (130) opposite to the reinforcing rib (140), and the reinforcing rib (140) is located between the first retaining wall (410) and the positioning protrusion (130) opposite to the first retaining wall.
  9. 9. The battery according to claim 1, wherein the bracket body (100) is provided with a first cell accommodating area (101), a circuit board attaching area (120) and a second cell accommodating area (102) which are arranged at intervals along the first direction (X), the first cell accommodating area (101) and the second cell accommodating area (102) are provided with a plurality of cell accommodating grooves (110), and the plurality of cell accommodating grooves (110) of the first cell accommodating area (101) and the plurality of cell accommodating grooves (110) of the second cell accommodating area (102) are arranged at intervals along a third direction (Z) of the bracket body (100); The circuit board attaching area (120) is communicated with each electric core accommodating groove (110) through the communication port (111), and each electric core accommodating groove (110) is correspondingly provided with at least one limiting piece (400); Wherein the first direction (X), the second direction (Y) and the third direction (Z) intersect two by two.
  10. 10. The battery according to claim 1, characterized in that a second lightening hole (112) is provided at the bottom of the cell receiving groove (110), and in the second direction (Y), the orthographic projection contour of the cell body (210) is located outside the orthographic projection contour of the second lightening hole (112).

Description

Battery cell Technical Field The utility model relates to the technical field of batteries, in particular to a battery. Background With the continuous popularization of electronic and electric products, the demand for batteries is also increasing. In the related art, a battery generally comprises a bracket body, a battery cell and a circuit board, wherein a battery cell accommodating groove and a circuit board attaching area are arranged on the bracket body in parallel, the battery cell is placed in the battery cell accommodating groove, the circuit board is attached to the circuit board attaching area, a tab on the battery cell extends to the position where the circuit board is located, and then the tab is welded on the circuit board, so that the assembly of the circuit board and the battery cell is realized. However, during the assembly process of the automatic production line, the battery cells placed in the bracket body vibrate during transmission, so that the battery cells are at risk of jumping. When the electric core is jumped, the tab rubber edge on the electric core is easily lapped on the groove wall of the electric core accommodating groove, so that the electric core deviates from the electric core accommodating groove, the tab on the electric core and the welding position of the tab on the circuit board are deflected, and the tab is difficult to be welded with the circuit board normally. The assembly reliability of the battery in the related art is poor. Disclosure of utility model The utility model discloses a battery, which aims to solve the problem of poor assembly reliability of the battery in the related technology. In order to solve the problems, the utility model adopts the following technical scheme: A battery having intersecting first and second directions, the battery comprising: The battery cell accommodating groove is provided with a communication port at one side facing the first direction, and the communication port penetrates through the groove wall of the battery cell accommodating groove; The battery cell comprises a battery cell body, a tab and a tab glue edge, wherein the battery cell body is positioned in the battery cell accommodating groove, one side of the battery cell body is provided with the tab and the tab glue edge, and at least part of the tab extends out of the battery cell accommodating groove through the communication port; the limiting piece is arranged on the support body and located on one side of the communication port, the limiting piece comprises a first retaining wall and a second retaining wall, at least one of the first retaining wall and the second retaining wall is connected with the support body, the lug glue sealing edge is in limiting fit with the first retaining wall in a first direction, and the lug glue sealing edge is in limiting fit with the second retaining wall in a second direction. Optionally, the tab adhesive edge includes an edge sealing body, a first folding section and a second folding section, the edge sealing body is arranged on the electric core body, and the first folding section and the second folding section are respectively positioned at two ends of the edge sealing body and are overlapped with the edge sealing body; The number of the limiting pieces is at least two, and the limiting pieces are a first limiting piece and a second limiting piece respectively, wherein the first limiting piece is arranged opposite to the first folding section, and the second limiting piece is arranged opposite to the second folding section. Optionally, the first retaining wall has first side, second side, third side and the fourth side of end to end in proper order, first side with the third side sets up in opposite directions, the second side with the fourth side sets up in opposite directions, first side with the tank bottom of electric core holding tank is connected, the third side with the second retaining wall is connected, the second side with one of fourth side with the lateral wall of electric core holding tank is connected. Optionally, an included angle between the first retaining wall and the second retaining wall is a right angle. Optionally, the second retaining wall has adjacent first connecting edge and second connecting edge, the first connecting edge with the third side is connected, the second connecting edge is located first retaining wall with the side that the lateral wall of electric core holding tank is connected, and with the lateral wall of electric core holding tank is connected. Optionally, the first retaining wall is provided with a first lightening hole, and the first lightening hole penetrates through the first retaining wall along the first direction. Optionally, the bracket body is provided with a circuit board attaching area which is arranged in parallel with the battery core accommodating groove, the circuit board attaching area is communicated with the battery core accommodating groove through the communication port,