Anti-falling battery tab convenient to connect

Abstract

The utility model relates to the technical field of battery tabs, and discloses an anti-drop battery tab convenient to connect, which comprises a tab piece, a conductive elastic piece, a pressing piece and a detachable connecting group piece, the pressing piece is connected to the tab piece through the conductive elastic piece, one side of the detachable connecting group piece is pressed on the pressing piece, and the other side of the detachable connecting group piece is pressed on the tab piece through the conductive elastic piece. The disassembly and assembly connection group piece is installed on the tab piece through a connection spinning group, the connection spinning group is composed of a screwing sleeve, a screwing column and a disassembly and assembly rotating head, the screwing sleeve is fixedly installed on the tab piece, the bottom end of the screwing column is screwed into the screwing sleeve, the disassembly and assembly rotating head is fixedly installed at the top end of the screwing column, and the disassembly and assembly rotating head is fixedly installed on the top end of the screwing column. And the disassembly and assembly connecting assembly sheet is pressed below the disassembly and assembly rotating head. According to the scheme, the structure is simple, when the lithium battery is assembled, the lithium battery cells are more convenient to connect and mount, the conductive effect is good through crimping of the elastic sheets, poor contact caused by the fact that part of the lugs are separated from the contact points due to looseness is avoided, and meanwhile disassembly and assembly are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of battery tabs, in particular to an anti-falling battery tab that is easy to connect. Background Art

[0002] As the main power source of current new energy, batteries can obtain stable voltage, stable current, long-term stable power supply, and are easy to carry, simple and easy to charge and discharge, not affected by external climate and temperature, and have stable and reliable performance. With the gradual promotion of new energy, the usage rate of lithium battery packs is getting higher and higher. In order to increase its storage capacity, multiple lithium battery cells are usually used in combination to improve its battery life. When the lithium battery pack is used to improve the battery life of the lithium battery, the battery cell tabs are connected by crimping or welding of external conductive strips to make them connected in series and parallel. When multiple lithium battery cells are welded, it is more troublesome to disassemble and assemble them. There are also certain problems with the means of crimping. The crimping screws need to have a large crimping force to contact the tabs. If the screws are loose, the tabs and contact pieces are easy to detach or fall off, resulting in poor contact, and the large force spinning is easy to cause thread slippage, which is inconvenient to disassemble. Therefore, it is necessary to provide a lithium battery tab with a simple structure, high strength, and easy connection. Utility Model Content

[0003] In order to solve the deficiencies in the prior art, the utility model provides a novel anti-dropping battery tab that is easy to connect, so as to solve the problem that the existing battery tab is inconvenient to connect and disassemble.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A conveniently connected anti-fall-off battery tab, used to facilitate the disassembly of the tab, comprises a tab sheet, a conductive spring sheet, a pressing sheet and a disassembly and connection assembly sheet, wherein the pressing sheet is connected to the tab sheet via a conductive spring sheet, one side of the disassembly and connection assembly sheet is pressed onto the pressing sheet, and the disassembly and connection assembly sheet is installed onto the tab sheet via a connection spinning group, wherein the connection spinning group consists of a spinning sleeve, a spinning column and a disassembly and connection head, the spinning sleeve is fixedly installed onto the tab sheet, the bottom end of the spinning column is screwed into the spinning sleeve, the disassembly and connection head is fixedly installed onto the tab sheet, the top end of the spinning column is screwed into the spinning sleeve, and the disassembly and connection assembly sheet is pressed underneath the disassembly and connection head.

[0006] Furthermore, the detachable connection piece assembly consists of two end pieces and a soft connector connecting the two end pieces.

[0007] Furthermore, a pressing hole is provided on the end piece, and the pressing hole is sleeved onto the screw-on column.

[0008] Furthermore, the conductive spring consists of an arc-shaped metal spring, a welding top portion and a welding bottom portion installed at both ends of the arc-shaped metal spring, the welding bottom portion is welded to the tab, and the welding top portion is welded to the pressing sheet.

[0009] Furthermore, the pressing sheet is provided with a through hole, and the through hole is sleeved onto the screw-on post.

[0010] Furthermore, an insulating spacer ring gasket is provided between the detachable connection assembly and the detachable rotating head.

[0011] Furthermore, a cross-shaped groove is provided on the top of the disassembly and assembly turntable.

[0012] Compared with the prior art, the beneficial effect is that the above-mentioned scheme is adopted, the structure of the utility model is simple, and it is more convenient to connect and install the lithium battery cells when assembling the lithium battery. The conductive effect is good through the spring clip crimping, which avoids the poor contact caused by looseness of some ears and separation from the contact point. At the same time, it is convenient for disassembly and assembly, and has good market application value. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of a conveniently connected anti-shedding battery tab according to an embodiment of the present invention;

[0014] Figure 2 For the utility model Figure 1 A schematic structural diagram of the conductive spring and the pressing sheet of the embodiment;

[0015] Figure 3 For the utility model Figure 1 A schematic structural diagram of a connection spinning group according to an embodiment;

[0016] In the figure, 1. Tab; 2. Conductive spring; 21. Arc-shaped metal spring; 22. Welding top end; 23. Welding bottom end; 3. Pressing piece; 4. Disassembly and assembly of connecting assembly; 41. End piece; 42. Flexible connector; 5. Disassembly and assembly of rotating head; 6. Pressing hole; 7. Through hole; 8. Screw-on sleeve; 9. Screw-on column; 10. Insulating spacer pad. DETAILED DESCRIPTION

[0017] To facilitate understanding of the present invention by those skilled in the art, the following describes specific embodiments of the present invention with reference to the accompanying drawings. The accompanying drawings illustrate preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described in this specification. Rather, these embodiments are provided to facilitate a more thorough and comprehensive understanding of the disclosure of the present invention.

[0018] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly attached to the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "mounted," "fixed," "upper," "lower," and similar expressions used in this specification are for illustrative purposes only.

[0019] Unless otherwise defined, all technical and scientific terms used in this specification have the same meanings as those commonly understood by those skilled in the art in the art of the present invention. The terms used in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0020] One embodiment of the present invention is as follows: Figure 1 、 2 As shown in Figure 3, the conveniently connected anti-fall-off battery tab is used to facilitate the disassembly of the tab, including a tab sheet 1, a conductive spring sheet 2, a pressing sheet 3 and a disassembly and connection assembly sheet 4. The pressing sheet 3 is connected to the tab sheet 1 through the conductive spring sheet 2, and one side of the disassembly and connection assembly sheet 4 is pressed onto the pressing sheet 3. The disassembly and connection assembly sheet 4 is installed on the tab sheet 1 through a connecting spinning group. The connecting spinning group consists of a spinning sleeve 8, a spinning column 9 and a disassembly and assembly head 5. The spinning sleeve 8 is fixedly installed on the tab sheet 1, the bottom end of the spinning column 9 is screwed into the spinning sleeve 8, the disassembly and assembly head 5 is fixedly installed on the top of the spinning column 9, and the disassembly and connection assembly sheet 4 is pressed below the disassembly and assembly head 5.

[0021] The anti-drop battery tabs of this solution are easy to connect, which makes it easier to connect and install the lithium battery cells during assembly. The tabs are crimped together with the springs, which has a good conductive effect and avoids poor contact caused by loosening of some tabs and separation from the contact points. It is also convenient for disassembly and assembly.

[0022] In this embodiment, Figure 1 As shown, the detachable connecting piece assembly 4 is composed of two end pieces 41 and a flexible connecting body 42 connecting the two end pieces 41 .

[0023] Specifically, the flexible connector 42 may be a connecting wire, which has a certain degree of deformation.

[0024] In this embodiment, Figure 2 As shown, a pressing hole 6 is provided on the end piece 41 , and the pressing hole 6 is sleeved onto the screw-on column 9 .

[0025] Specifically, the two adjacent ends of the two end pieces 41 are connected by the soft connector 42, and the two ends away from each other are provided with a pressing hole 6. The screw-on column 9 is inserted into the pressing hole 6 and screwed downward to cooperate with the disassembly and assembly head 5 to press the end piece 41 onto the pressing piece 3.

[0026] In this embodiment, Figure 2 As shown, the conductive spring 2 consists of an arc-shaped metal spring 21, a welding top portion 22 and a welding bottom portion 23 installed at both ends of the arc-shaped metal spring 21, the welding bottom portion 23 is welded to the tab 1, and the welding top portion 22 is welded to the pressing sheet 3.

[0027] Specifically, the arc-shaped metal spring 21 gradually extends downward from left to right, with the left end being the welding top portion 22 welded to the bottom of the pressing sheet 3 , and the right end being the welding bottom portion 23 welded to the tab 1 .

[0028] In this embodiment, Figure 2 As shown, the pressing sheet 3 is provided with a through hole 7 , and the through hole 7 is sleeved onto the screw-on post 9 .

[0029] Specifically, a through hole 7 is provided in the middle of the pressing sheet 3 , and the screw-on column 9 first passes through the pressing hole 6 and is screwed downward to be inserted into the through hole 7 , cooperating with the disassembly and assembly turntable 5 to press the end sheet 41 onto the pressing sheet 3 .

[0030] In this embodiment, Figure 2 As shown, an insulating spacer ring gasket 10 is provided between the disassembly connection assembly 4 and the disassembly rotary head 5 .

[0031] Specifically, the diameter of the insulating spacer ring 10 is larger than the diameter of the disassembly and assembly rotary head 5 .

[0032] In this embodiment, Figure 2 As shown, a cross-shaped groove is provided on the top of the disassembly and assembly turntable 5.

[0033] Specifically, a screw slot is provided on the top of the disassembly and assembly rotating head 5, which can be square, hexagonal or Y-shaped, and can be disassembled and assembled with the aid of special tools, so that it is convenient to rotate through the tools.

[0034] The anti-drop battery tabs of this solution are convenient to connect and are mainly used for connecting lithium battery packs. The core column of a single lithium battery cell is welded and fixed to the outer tab sheet 1. When connecting between batteries, the end sheet 41 is pressed onto the pressing sheet 3 through the screw-on column 9 and the disassembly and assembly turn head 5, which can quickly connect the battery tabs. Due to the elastic effect of the conductive spring sheet 2, the contact is good and there is no need to rotate the disassembly and assembly turn head 5 vigorously, which will cause the thread head to slip and make disassembly and assembly difficult.

[0035] It should be noted that the above-mentioned technical features are further combined with each other to form various embodiments not listed above, which are all deemed to be within the scope of the description of the present utility model; and, for ordinary technicians in this field, they can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the present utility model.

Claims

1. A conveniently connected anti-drop battery tab, used to facilitate the removal of the tab, characterized by: The invention comprises a pole tab (1), a conductive spring sheet (2), a pressing sheet (3) and a disassembly and connection assembly sheet (4); the pressing sheet (3) is connected to the pole tab (1) through the conductive spring sheet (2); one side of the disassembly and connection assembly sheet (4) is pressed onto the pressing sheet (3); the disassembly and connection assembly sheet (4) is installed on the pole tab (1) through a connection spinning group; the connection spinning group consists of a spin-on sleeve (8), a spin-on column (9) and a disassembly and connection head (5); the spin-on sleeve (8) is fixedly installed on the pole tab (1); the bottom end of the spin-on column (9) is screwed into the spin-on sleeve (8); the disassembly and connection head (5) is fixedly installed on the top end of the spin-on column (9); and the disassembly and connection assembly sheet (4) is pressed below the disassembly and connection head (5).

2. The conveniently connected anti-drop battery tab according to claim 1, characterized in that: The detachable connecting piece assembly (4) is composed of two end pieces (41) and a soft connecting body (42) connecting the two end pieces (41).

3. The conveniently connected anti-drop battery tab according to claim 2, characterized in that: The end piece (41) is provided with a pressing hole (6), and the pressing hole (6) is sleeved onto the screw-on column (9).

4. The conveniently connected anti-drop battery tab according to claim 1, characterized in that: The conductive spring (2) is composed of an arc-shaped metal spring (21), a welding top end (22) and a welding bottom end (23) mounted at both ends of the arc-shaped metal spring (21), the welding bottom end (23) being welded to the tab (1), and the welding top end (22) being welded to the pressing sheet (3).

5. The conveniently connected anti-drop battery tab according to claim 4, characterized in that: The pressing sheet (3) is provided with a through hole (7), and the through hole (7) is sleeved onto the screw-on column (9).

6. The conveniently connected anti-drop battery tab according to claim 4, characterized in that: An insulating spacer ring gasket (10) is provided between the disassembly connection assembly (4) and the disassembly rotating head (5).

7. The conveniently connected anti-drop battery tab according to claim 1, characterized in that: The top of the disassembly and assembly rotating head (5) is provided with a cross-shaped groove.

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