Nickel sheet support structure of battery pack

Abstract

The utility model discloses a battery pack nickel sheet support structure, which comprises a die, the side surface of the die is fixedly connected with a flat cable terminal, the die is internally provided with a placement groove, the inner wall of the placement groove is contacted with a nickel sheet, the upper end of the nickel sheet is provided with a funnel spot welding groove, the upper surface of the die is provided with a threaded hole, and the lower surface of the die is provided with a screw hole. The inner wall of the threaded hole is in threaded connection with a bolt, and the outer surface of the bolt makes contact with the second fixing piece through the first hole. By means of the structure, the device is provided with the multiple sets of connecting devices, the multiple sets of dies are connected through the first fixing pieces and the sliding grooves arranged on the outer sides of the dies and the relation between the sliding blocks and the sliding grooves, and therefore the spot welding efficiency can be improved, the funnel spot welding nickel pieces are arranged for contact, and the spot welding position is accurately positioned through the funnel spot welding grooves in the upper ends of the nickel pieces; and the battery cell is accurately placed by the positioning pad at the lower end, so that the spot welding machine can work accurately during spot welding.

Description

Technical Field

[0001] The utility model relates to the technical field of battery packs, in particular to a nickel sheet bracket structure of a battery pack. Background Art

[0002] When spot welding multiple parallel battery cells and nickel sheets, it is necessary to accurately locate the positions of multiple battery cells and nickel sheets, and then perform precise spot welding. If the spot is off, it will cause battery cold welding or fire problems. Therefore, a clamp is generally used to fix the battery cells, and then spot welding is performed by a spot welding machine. The existing device is relatively complicated to operate and is troublesome to disassemble. When the battery cells are densely connected, disassembly will affect the welding effect. For this reason, a device is required that will not affect the internal battery cells and nickel sheets during disassembly and can be disassembled quickly. The existing device is mostly placed at the upper end when fixing the nickel sheets and battery cells. When external force occurs, the nickel sheets and battery cells are easily misaligned. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a battery pack nickel sheet bracket structure, which is provided with multiple groups of connecting devices. The multiple groups of molds are connected through the first fixing member and the slide groove arranged on the outside of the mold and the relationship between the slider and the slide groove, so as to improve the spot welding efficiency, and a funnel spot welding nickel sheet contact is provided. The spot welding position is accurately positioned through the funnel spot welding groove at the upper end of the nickel sheet, and the battery cell is accurately placed by the positioning pad at the lower end, so that it can work accurately during spot welding.

[0004] The utility model also provides a battery pack nickel sheet support structure having the above-mentioned structure, comprising: a mold, a wiring terminal is fixedly connected to the side surface of the mold, a placement groove is arranged inside the mold, the inner wall of the placement groove is in contact with the nickel sheet, a funnel spot welding groove is arranged at the upper end of the nickel sheet, a threaded hole is arranged on the upper surface of the mold, a bolt is threadedly connected to the inner wall of the threaded hole, and the outer surface of the bolt is in contact with the second fixing member through the first hole;

[0005] The lower surface of the second fixing piece is fixedly connected with an anti-slip pad, and the lower surface of the anti-slip pad contacts the nickel sheet. The side surface of the mold is provided with a first fixing piece, and the side surface of the first fixing piece is provided with a slide groove, and the inner wall of the slide groove is slidably connected with a slider. The upper surface of the mold is provided with a third hole, and the inner wall of the third hole contacts the connecting rod. The upper surface of the connecting rod is provided with a second hole, and the inner wall of the second hole contacts the pin.

[0006] According to the battery pack nickel sheet support structure, a wire arrangement groove is provided on the side surface of the mold, and the inner wall of the wire arrangement groove is in contact with the wire arrangement terminal.

[0007] According to the nickel sheet support structure of a battery pack, a positioning pad is fixedly connected to the lower surface of the nickel sheet, and the lower surface of the positioning pad is in contact with the battery cell.

[0008] According to the nickel sheet support structure of a battery pack, the number of the battery cells is multiple and evenly distributed, and the number of the molds is multiple and symmetrically distributed.

[0009] According to the battery pack nickel sheet bracket structure, the number of the bolts is multiple and evenly distributed, and the number of the second fixing members is multiple and evenly distributed.

[0010] According to the battery pack nickel sheet bracket structure, the number of the first fixing members is multiple and evenly distributed, and the number of the sliding blocks is multiple and evenly distributed.

[0011] According to the battery pack nickel sheet bracket structure, the upper surface of the latch is fixedly connected to a third fixing member, and the lower surface of the third fixing member is in contact with the mold.

[0012] According to the battery pack nickel sheet bracket structure, the number of the connecting rods is multiple and evenly distributed, and the number of the latches is multiple and evenly distributed.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is an overall structural diagram of a battery pack nickel sheet bracket structure of the utility model;

[0016] Figure 2 This is a spot welding structure diagram of a nickel sheet bracket structure of a battery pack of the utility model;

[0017] Figure 3 This is a connection structure diagram of a nickel sheet bracket structure of a battery pack of the utility model;

[0018] Figure 4 This is an internal structural diagram of a nickel sheet bracket structure of a battery pack according to the utility model.

[0019] Legend:

[0020] 1. Mold; 2. Nickel sheet; 3. Positioning pad; 4. Funnel spot welding groove; 5. First fixing piece; 6. Slide groove; 7. Slider; 8. Threaded hole; 9. Bolt; 10. First hole; 11. Second fixing piece; 12. Anti-slip pad; 13. Connecting rod; 14. Second hole; 15. Pin; 16. Third hole; 17. Placement groove; 18. Battery cell; 19. Wiring terminal; 20. Third fixing piece; 21. Wiring groove. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The utility model embodiment is a battery pack nickel sheet bracket structure, which includes a mold 1, a wiring terminal 19 is fixedly connected to the side surface of the mold 1, a placement groove 17 is arranged inside the mold 1, the inner wall of the placement groove 17 is in contact with the nickel sheet 2, and a funnel spot welding groove 4 is arranged on the upper end of the nickel sheet 2. A threaded hole 8 is arranged on the upper surface of the mold 1, and a bolt 9 is threadedly connected to the inner wall of the threaded hole 8. The outer surface of the bolt 9 is in contact with the second fixing member 11 through a first hole 10.

[0023] The lower surface of the second fixing member 11 is fixedly connected with an anti-skid pad 12, and the lower surface of the anti-skid pad 12 contacts the nickel sheet 2. The side surface of the mold 1 is provided with a first fixing member 5, and the side surface of the first fixing member 5 is provided with a slide groove 6, and the inner wall of the slide groove 6 is slidably connected with a slider 7. The upper surface of the mold 1 is provided with a third hole 16, and the inner wall of the third hole 16 contacts the connecting rod 13. The upper surface of the connecting rod 13 is provided with a second hole 14, and the inner wall of the second hole 14 contacts the pin 15. The side surface of the mold 1 is provided with a cable groove 21, and the inner wall of the cable groove 21 contacts the cable terminal 19. The lower surface of the nickel sheet 2 A positioning pad 3 is fixedly connected to the surface, and the lower surface of the positioning pad 3 is in contact with the battery cell 18. The number of battery cells 18 is multiple and evenly distributed. The number of molds 1 is multiple and symmetrically distributed. The number of bolts 9 is multiple and evenly distributed. The number of second fixing members 11 is multiple and evenly distributed. The number of first fixing members 5 is multiple and evenly distributed. The number of sliders 7 is multiple and evenly distributed. The upper surface of the pin 15 is fixedly connected to the third fixing member 20, and the lower surface of the third fixing member 20 is in contact with the mold 1. The number of connecting rods 13 is multiple and evenly distributed. The number of plugs 15 is multiple and evenly distributed.

[0024] Working principle: Place the battery cell 18 on the upper surface of the positioning pad 3, place the nickel sheet 2 on the upper surface of the battery cell 18, align the funnel spot welding groove 4 with the battery cell 18, respectively contact multiple connecting rods 13 with the third hole 16, contact the pin 15 with the second hole 14, fix the third fixing member 20 connected to the upper end of the pin 15, and the third fixing member 20 contacts the mold 1, rotate the bolt 9 so that the second fixing member 11 drives the anti-slip pad 12 and the nickel sheet 2 to clamp.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A battery pack nickel sheet support structure, characterized in that: include: A mold (1), wherein a wiring terminal (19) is fixedly connected to the side surface of the mold (1), a placement groove (17) is provided inside the mold (1), the inner wall of the placement groove (17) is in contact with the nickel sheet (2), the upper end of the nickel sheet (2) is provided with a funnel spot welding groove (4), the upper surface of the mold (1) is provided with a threaded hole (8), the inner wall of the threaded hole (8) is threadedly connected with a bolt (9), and the outer surface of the bolt (9) is in contact with a second fixing member (11) through a first hole (10); The lower surface of the second fixing member (11) is fixedly connected to an anti-skid pad (12), and the lower surface of the anti-skid pad (12) contacts the nickel sheet (2). The side surface of the mold (1) is provided with a first fixing member (5), and the side surface of the first fixing member (5) is provided with a slide groove (6), and the inner wall of the slide groove (6) is slidably connected to a slider (7). The upper surface of the mold (1) is provided with a third hole (16), and the inner wall of the third hole (16) contacts the connecting rod (13). The upper surface of the connecting rod (13) is provided with a second hole (14), and the inner wall of the second hole (14) contacts the latch (15).

2. A battery pack nickel sheet support structure according to claim 1, characterized in that: A wire arrangement groove (21) is provided on the side surface of the mold (1), and the inner wall of the wire arrangement groove (21) is in contact with the wire arrangement terminal (19).

3. A battery pack nickel sheet support structure according to claim 1, characterized in that: A positioning pad (3) is fixedly connected to the lower surface of the nickel sheet (2), and the lower surface of the positioning pad (3) is in contact with the battery core (18).

4. A battery pack nickel sheet support structure according to claim 3, characterized in that: The number of the battery cells (18) is multiple and evenly distributed, and the number of the molds (1) is multiple and symmetrically distributed.

5. A battery pack nickel sheet support structure according to claim 1, characterized in that: The number of the bolts (9) is multiple and evenly distributed, and the number of the second fixing members (11) is multiple and evenly distributed.

6. A battery pack nickel sheet support structure according to claim 1, characterized in that: The number of the first fixing members (5) is multiple and evenly distributed, and the number of the sliding blocks (7) is multiple and evenly distributed.

7. A battery pack nickel sheet support structure according to claim 1, characterized in that: The upper surface of the latch (15) is fixedly connected to a third fixing member (20), and the lower surface of the third fixing member (20) is in contact with the mold (1).

8. A battery pack nickel sheet support structure according to claim 1, characterized in that: The number of the connecting rods (13) is multiple and evenly distributed, and the number of the latch pins (15) is multiple and evenly distributed.

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