Positioning assembly for soft package battery pack

By designing the positioning components for the soft-pack battery pack, and using the combined structure of the card slot and fixing strip, the convenient positioning and spot-free welding connection of the battery pack are achieved, solving the difficulties in assembly and disassembly of the existing battery pack, and improving assembly efficiency and safety.

CN222546555UActive Publication Date: 2025-02-28TIANJIN SHENGQI TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421109177.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2025-02-28
Estimated Expiration
2034-05-21

AI Technical Summary

Technical Problem

The lack of positioning structure during assembly of existing battery packs makes it difficult to connect the battery and the battery packs connected by spot welding are difficult to disassemble.

Method used

A positioning assembly for a soft-pack battery pack is designed, including an upper case and a lower case, and an equidistant battery body is installed on the inner wall, and the electrode column is positioned through the first and second card slots, and a combination of the first plastic fixing strip and the second plastic fixing strip, the first metal cap and the second metal cap are realized to achieve a spot-free welding connection of the battery body.

Benefits of technology

It realizes convenient positioning and connection of the battery pack, without the need for spot welding, facilitates disassembly and maintenance of the battery pack, and improves assembly efficiency and safety.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure 00000000_0000_ABST
    Figure 00000000_0000_ABST
Patent Text Reader

Abstract

The positioning assembly comprises an upper shell and a lower shell, battery bodies distributed at equal intervals are installed on the inner wall of the upper shell and the inner wall of the lower shell, and first clamping grooves and second clamping grooves distributed at equal intervals are formed in the outer walls of the two sides of the bottom of the upper shell and the outer walls of the two sides of the top of the lower shell respectively. Electrode columns are arranged on the outer walls of the two sides of the battery main body, and the outer walls of the two ends of each electrode column are attached to the inner walls of the first clamping groove and the second clamping groove respectively. According to the utility model, the first plastic fixing strip and the second plastic fixing strip respectively cover the two sides of the upper shell and the lower shell, the first metal cap and the second metal cap respectively sleeve the two electrode columns of the battery main body, and the first metal cap and the second metal cap are connected through the metal connecting column; and the battery main body can be conveniently connected without using a spot welding mode, so that the battery main body can be conveniently disassembled.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of battery assembly, in particular to a positioning component for a soft-pack battery pack. Background Art

[0002] Battery packs are divided into series and parallel. Parallel battery packs require that each battery has the same voltage, and the output voltage is equal to the voltage of one battery. Parallel battery packs can provide stronger current.

[0003] During the assembly process of existing battery packs, after a large number of batteries are stacked, the battery electrodes need to be spot-welded and connected using metal iron sheets. However, during the connection process, the existing batteries lack a positioning structure for the battery modules, and the batteries are connected by spot welding, making it difficult to disassemble the battery pack. For this reason, we propose a positioning component for a soft-pack battery pack. Utility Model Content

[0004] The purpose of the utility model is to provide a positioning assembly for a soft-pack battery pack to solve the above-mentioned deficiencies in the technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning component for a soft-pack battery pack, comprising an upper shell and a lower shell, wherein the inner walls of the upper shell and the lower shell are installed with battery bodies distributed at equal distances, and the outer walls on both sides of the bottom of the upper shell and the outer walls on both sides of the top of the lower shell are respectively provided with first and second card slots distributed at equal distances, and the outer walls on both sides of the battery body include electrode columns, and the outer walls at both ends of the electrode columns are respectively attached to the inner walls of the first and second card slots, and the bottom of the upper shell and the outer walls on both sides of the top of the lower shell are respectively attached with a first plastic fixing strip and a second plastic fixing strip, and the outer wall on one side of the first plastic fixing strip is provided with a first embedding groove distributed at equal distances, and the outer wall on one side of the second plastic fixing strip is provided with a second embedding groove distributed at equal distances, and a connecting groove is connected between adjacent first embedding grooves and adjacent second embedding grooves, and the inner wall of the first embedding groove is embedded with a first metal cap, and the inner wall of the second embedding groove is embedded with a second metal cap, and the adjacent first metal caps and adjacent second metal caps are connected with metal connecting columns, and the metal connecting columns are located on the inner wall of the connecting groove.

[0006] Preferably, fixing plates are fixed on both sides of the bottom of the upper shell and on both sides of the top of the lower shell, the outer walls of the fixing plates are provided with fixing holes, and the inner walls of the fixing holes are provided with matching bolts to facilitate docking of the upper shell and the lower shell.

[0007] Preferably, the top outer wall of the upper shell and the bottom outer wall of the lower shell are provided with exhaust ports distributed at equal distances, and the exhaust ports are helpful to improve the heat dissipation effect of the utility model.

[0008] Preferably, limiting clamps are fixedly provided at equal distances on both sides of the top inner wall of the upper shell and the bottom inner wall of the lower shell, and the battery body can be further positioned by the limiting clamps.

[0009] Preferably, a buffer pad is bonded to the top inner wall of the upper shell and the inner wall of the lower shell, and the buffer pad is helpful to improve the anti-seismic effect of the utility model.

[0010] Preferably, a metal docking rod is fixedly provided at one end of the first metal cap and the second metal cap.

[0011] Preferably, threaded holes are opened on the outer walls on both sides of the upper shell and the lower shell, and positioning plates are fixedly provided at both ends of the top and bottom of the first plastic fixing strip and the second plastic fixing strip. Positioning holes are opened on the outer walls of the positioning plates, and the inner walls of the positioning holes and the threaded holes are provided with matching bolts. The bolts are passed through the positioning holes and screwed into the inner walls of the threaded holes, so as to facilitate fixing the first plastic fixing strip and the second plastic fixing strip to both sides of the upper shell and the lower shell.

[0012] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0013] Through the first and second slots provided on the bottom of the upper shell and the top outer wall of the lower shell, the electrode posts at both ends of the battery body are respectively inserted into the inner walls of the first and second slots, so as to facilitate the positioning of the battery;

[0014] The first plastic fixing strip and the second plastic fixing strip are respectively covered on both sides of the upper shell and the lower shell, and the first metal cap and the second metal cap are respectively sleeved on the two electrode columns of the battery body. The first metal cap and the second metal cap are connected by a metal connecting column, which is convenient for connecting the battery body. There is no need to use spot welding to connect the battery body, which facilitates disassembly of the battery body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 This is a three-dimensional structural schematic diagram of a positioning assembly for a soft-pack battery pack of the utility model;

[0017] Figure 2 This is a schematic diagram of the lower shell structure of a positioning assembly for a soft-pack battery pack of the utility model;

[0018] Figure 3This is a schematic diagram of the inner wall structure of the lower shell of a positioning assembly for a soft-pack battery pack of the utility model;

[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of a first plastic fixing strip of a positioning assembly for a soft-pack battery pack of the utility model;

[0020] Figure 5 This is a schematic diagram of the first metal cap structure of a positioning assembly for a soft-pack battery pack of the utility model;

[0021] Figure 6 This is a schematic diagram of the cross-sectional structure of a second plastic fixing strip of a positioning assembly for a soft-pack battery pack of the utility model;

[0022] Figure 7 The utility model is a schematic diagram of a second metal cap structure of a positioning assembly for a soft-pack battery pack.

[0023] Description of reference numerals:

[0024] 1 upper shell, 2 lower shell, 3 exhaust port, 4 fixing plate, 5 fixing hole, 6 limiting card plate, 7 buffer pad, 8 first card slot, 9 second card slot, 10 battery body, 11 electrode column, 12 first plastic fixing strip, 13 second plastic fixing strip, 14 first embedding groove, 15 second embedding groove, 16 connecting groove, 17 first metal cap, 18 second metal cap, 19 metal connecting column, 20 metal docking rod, 21 positioning plate, 22 positioning hole, 23 threaded hole. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] Embodiment 1

[0027] Refer to the instruction manual Figure 1-7A positioning assembly for a soft-pack battery pack includes an upper shell 1 and a lower shell 2. The inner walls of the upper shell 1 and the lower shell 2 are installed with battery bodies 10 distributed at equal distances. The outer walls on both sides of the bottom of the upper shell 1 and the outer walls on both sides of the top of the lower shell 2 are respectively provided with first card slots 8 and second card slots 9 distributed at equal distances. The outer walls on both sides of the battery body 10 include electrode columns 11. The outer walls at both ends of the electrode columns 11 are respectively attached to the inner walls of the first card slot 8 and the second card slot 9. The bottom of the upper shell 1 and the outer walls on both sides of the top of the lower shell 2 are respectively attached to the first plastic fixing strip 12 and the inner walls of the second card slot 9. A second plastic fixing strip 13, an outer wall on one side of the first plastic fixing strip 12 is provided with first embedding grooves 14 distributed at equal distances, an outer wall on one side of the second plastic fixing strip 13 is provided with second embedding grooves 15 distributed at equal distances, adjacent first embedding grooves 14 and adjacent second embedding grooves 15 are connected by a connecting groove 16, a first metal cap 17 is embedded in the inner wall of the first embedding groove 14, a second metal cap 18 is embedded in the inner wall of the second embedding groove 15, adjacent first metal caps 17 and adjacent second metal caps 18 are connected by a metal connecting column 19, and the metal connecting column 19 is located on the inner wall of the connecting groove 16.

[0028] Embodiment 2

[0029] Based on the first embodiment, fixing plates 4 are fixed on the outer walls of the bottom sides of the upper shell 1 and the top sides of the lower shell 2. The outer wall of the fixing plate 4 is provided with a fixing hole 5. The inner wall of the fixing hole 5 is provided with a matching bolt, which is convenient for docking the upper shell 1 with the lower shell 2. The top outer wall of the upper shell 1 and the bottom outer wall of the lower shell 2 are provided with exhaust ports 3 distributed at equal distances. The exhaust ports 3 are helpful to improve the heat dissipation effect of the utility model. The top inner wall of the upper shell 1 and the inner wall of the lower shell 2 are bonded with a buffer pad 7. The buffer pad 7 is helpful to improve the anti-seismic effect of the utility model.

[0030] Embodiment 3

[0031] Based on the first embodiment, the top inner wall of the upper shell 1 and the bottom inner wall of the lower shell 2 are fixed with equidistantly distributed limit card plates 6, and the battery body 10 can be further positioned by the limit card plates 6. One end of the first metal cap 17 and the second metal cap 18 is fixed with a metal docking rod 20, and the outer walls of the upper shell 1 and the lower shell 2 are provided with threaded holes 23. The top and bottom ends of the first plastic fixing strip 12 and the second plastic fixing strip 13 are fixed with positioning plates 21. The outer wall of the positioning plate 21 is provided with a positioning hole 22. The inner walls of the positioning hole 22 and the threaded hole 23 are provided with matching bolts. The bolts are passed through the positioning hole 22 and screwed into the inner walls of the threaded hole 23, so as to fix the first plastic fixing strip 12 and the second plastic fixing strip 13 to the two sides of the upper shell 1 and the lower shell 2.

[0032] Working principle of this utility model:

[0033] Refer to the instruction manual Figure 1-7 During the assembly process of the utility model, the electrode posts 11 at both ends of the battery body 10 are respectively inserted into the inner walls of the first slot 8 and the second slot 9 through the first slot 8 and the second slot 9 opened on the bottom of the upper shell 1 and the top outer wall of the lower shell 2, so as to facilitate the positioning of the battery. The first plastic fixing strip 12 and the second plastic fixing strip 13 are respectively covered on both sides of the upper shell 1 and the lower shell 2, and the first metal cap 17 and the second metal cap 18 are respectively sleeved on the two electrode posts 11 of the battery body 10. The first metal cap 17 and the second metal cap 18 are respectively sleeved on the two electrode posts 11 of the battery body 10. The metal connecting column 19 is connected to facilitate the connection of the battery body 10. There is no need to use spot welding to connect the battery body 10, which facilitates the disassembly of the battery body 10. The first metal cap 17 and the second metal cap 18 are sleeved on the outer wall of the electrode column 11, and bolts are used to pass through the positioning hole 22 and screw into the inner wall of the threaded hole 23. The utility model is assembled. After the utility model is installed, the outer wall of one end of the first metal cap 17 and the second metal cap 18 is connected to the power switch through a wire, and the power switch is connected to the electrical appliance through a wire.

[0034] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A positioning assembly for a soft-pack battery pack, comprising an upper shell (1) and a lower shell (2), characterized in that: The inner walls of the upper shell (1) and the lower shell (2) are provided with battery bodies (10) distributed at equal distances, the outer walls on both sides of the bottom of the upper shell (1) and the outer walls on both sides of the top of the lower shell (2) are respectively provided with first card slots (8) and second card slots (9) distributed at equal distances, the outer walls on both sides of the battery body (10) include electrode columns (11), the outer walls at both ends of the electrode columns (11) are respectively fitted with the inner walls of the first card slot (8) and the second card slot (9), the bottom of the upper shell (1) and the outer walls on both sides of the top of the lower shell (2) are respectively fitted with a first plastic fixing strip (12) and a second plastic fixing strip (13), the first plastic The outer wall of one side of the fixing strip (12) is provided with first embedding grooves (14) distributed at equal distances, and the outer wall of one side of the second plastic fixing strip (13) is provided with second embedding grooves (15) distributed at equal distances, and a connecting groove (16) is connected between the adjacent first embedding grooves (14) and the adjacent second embedding grooves (15), and a first metal cap (17) is embedded in the inner wall of the first embedding groove (14), and a second metal cap (18) is embedded in the inner wall of the second embedding groove (15), and a metal connecting column (19) is connected between the adjacent first metal caps (17) and the adjacent second metal caps (18), and the metal connecting column (19) is located on the inner wall of the connecting groove (16).

2. A positioning assembly for a soft-pack battery pack according to claim 1, characterized in that: Fixing plates (4) are fixedly provided on the outer walls of the bottom sides of the upper shell (1) and the top sides of the lower shell (2), and fixing holes (5) are opened on the outer walls of the fixing plates (4), and matching bolts are provided on the inner walls of the fixing holes (5).

3. The positioning assembly for a soft-pack battery pack according to claim 1, characterized in that: The top outer wall of the upper shell (1) and the bottom outer wall of the lower shell (2) are provided with exhaust ports (3) distributed at equal distances.

4. The positioning assembly for a soft-pack battery pack according to claim 1, characterized in that: Limiting clamping plates (6) are fixedly provided at equal distances on both sides of the top inner wall of the upper shell (1) and the bottom inner wall of the lower shell (2).

5. The positioning assembly for a soft-pack battery pack according to claim 1, characterized in that: A buffer pad (7) is bonded to the top inner wall of the upper shell (1) and the inner wall of the lower shell (2).

6. The positioning assembly for a soft-pack battery pack according to claim 1, characterized in that: A metal butt joint rod (20) is fixedly provided at one end of the first metal cap (17) and the second metal cap (18).

7. The positioning assembly for a soft-pack battery pack according to claim 1, characterized in that: The outer walls of both sides of the upper shell (1) and the lower shell (2) are provided with threaded holes (23); the first plastic fixing strip (12) and the second plastic fixing strip (13) are fixedly provided with positioning plates (21) at both ends of the top and bottom; the outer wall of the positioning plate (21) is provided with positioning holes (22); the inner walls of the positioning holes (22) and the threaded holes (23) are provided with matching bolts.