An integrated lithium battery electrode column mounting plate

Abstract

The utility model belongs to the technical field of lithium batteries, and is particularly an integral lithium battery electrode column mounting plate, comprising a cover groove, a partition plate is arranged inside the cover groove, a positive electrode column fixing groove is arranged on one side of the partition plate, a negative electrode column fixing groove is arranged on the other side of the partition plate, fixing devices are arranged inside the positive electrode column fixing groove and the negative electrode column fixing groove, a cover plate is arranged on the top of the cover groove, and a positive electrode column is arranged through the inside of the cover plate. The sliding column arrangement facilitates the movement of the fixing parts, and the two fixing parts are close to each other outside the sliding column. At the same time, the sliding column arrangement facilitates the movement of the fixing parts, and the two fixing parts are close to each other outside the sliding column to fix the positive electrode column and the negative electrode column. The explosion-proof valve is arranged to make the mounting plate have better explosion-proof performance, which greatly prolongs the service life of the battery. The arrangement of the positive rivet and the negative rivet facilitates the disassembly for subsequent lithium battery recycling.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium batteries, and in particular relates to an integral lithium battery electrode column mounting plate. Background Art

[0002] Lithium batteries have the advantages of high voltage, long life, high energy density, and light weight. Their application areas are also expanding. In particular, power lithium batteries are widely used in electric vehicles, electric hardware tools and other equipment. These devices require batteries to have large capacity and high power. Power lithium batteries have certain advantages in this regard.

[0003] However, its safety is worse than other secondary batteries. When the power lithium battery is overcharged, its internal electrolyte and other materials will decompose to produce gas, causing the battery shell to swell and rupture, allowing oxygen to enter and react with lithium ions accumulated on the surface of the negative electrode, causing an explosion. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides an integrated lithium battery electrode column mounting plate, which solves the problem of lithium battery safety.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an integrated lithium battery electrode column mounting plate, comprising a cover groove, a partition is arranged inside the cover groove, a positive electrode column fixing groove is arranged on one side of the partition, a negative electrode column fixing groove is arranged on the other side of the partition, fixing devices are arranged inside the positive electrode column fixing groove and the negative electrode column fixing groove, a cover plate is arranged on the top of the cover groove, a positive electrode column is arranged through the inside of the cover plate, a positive electrode pressure plate is arranged outside the positive electrode column, a positive rivet is arranged inside the positive electrode pressure plate, a positive electrode gasket is arranged at the bottom of the positive electrode column, a positive electrode connecting piece is arranged at the bottom of the positive electrode gasket, an explosion-proof valve is arranged on the top of the cover plate, a negative electrode column is arranged through the inside of the cover plate, a negative electrode pressure plate is arranged outside the negative electrode column, a negative electrode rivet is arranged inside the negative electrode pressure plate, a negative electrode gasket is arranged at the bottom of the negative electrode column, and a negative electrode connecting piece is arranged at the bottom of the negative electrode gasket.

[0006] Preferably, the fixing device comprises a sliding column, a fixing piece is arranged outside the sliding column, and a spring is arranged on one side of the fixing piece.

[0007] Preferably, the number of the sliding posts is four, and the four sliding posts are arranged in parallel inside the positive electrode post fixing groove and the negative electrode post fixing groove.

[0008] Preferably, the number of the fixing members is four, and the two fixing members are symmetrically arranged outside the sliding column and divided into two groups.

[0009] Preferably, the positive electrode pressing plate and the negative electrode pressing plate are fixed to the top of the cover plate by positive electrode rivets and negative electrode rivets respectively, and the positive electrode pressing plate and the negative electrode pressing plate are used to weld the positive electrode column and the negative electrode column.

[0010] Preferably, an explosion-proof membrane is installed inside the explosion-proof valve, and an explosion-proof cover is arranged on the top of the explosion-proof valve.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The sliding post is provided to facilitate movement of the fixing parts, and the two fixing parts are close to each other outside the sliding post. At the same time, the sliding post is provided to facilitate movement of the fixing parts, and the two fixing parts are close to each other outside the sliding post to fix the positive pole and the negative pole. The explosion-proof valve is provided to make the mounting plate have better explosion-proof performance and high safety, which greatly extends the service life of the battery. The positive rivets and negative rivets are provided to facilitate disassembly for subsequent lithium battery recycling. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a complete structural schematic diagram of the utility model;

[0015] Figure 2 It is a three-dimensional cross-sectional structural diagram of the utility model;

[0016] Figure 3 It is a front view cross-sectional structural diagram of the utility model.

[0017] In the figure: 1 cover groove; 2 positive electrode pressure plate; 3 explosion-proof valve; 4 negative electrode pressure plate; 5 negative electrode rivet; 6 negative electrode pole; 7 cover plate; 8 positive electrode pole; 9 positive electrode rivet; 10 spring; 11 sliding column; 12 partition; 13 negative electrode pole fixing groove; 14 positive electrode pole fixing groove; 15 fixing piece; 16 negative electrode gasket; 17 negative electrode connecting piece; 18 positive electrode connecting piece; 19 positive electrode gasket. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3The utility model provides the following technical solutions: an integrated lithium battery electrode column mounting plate, comprising a cover groove 1, a partition 12 is arranged inside the cover groove 1, a positive electrode column fixing groove 14 is arranged on one side of the partition 12, a negative electrode column fixing groove 13 is arranged on the other side of the partition 12, a fixing device is arranged inside the positive electrode column fixing groove 14 and the negative electrode column fixing groove 13, a cover plate 7 is arranged on the top of the cover groove 1, a positive electrode column 8 is arranged inside the cover plate 7, and a positive electrode column 8 is arranged outside the positive electrode column 8 A positive electrode pressure plate 2, a positive electrode rivet 9 is arranged inside the positive electrode pressure plate 2, a positive electrode gasket 19 is arranged at the bottom of the positive electrode column 8, a positive electrode connecting piece 18 is arranged at the bottom of the positive electrode gasket 19, an explosion-proof valve 3 is arranged on the top of the cover plate 7, a negative electrode column 6 is penetrated inside the cover plate 7, a negative electrode pressure plate 4 is arranged outside the negative electrode column 6, a negative electrode rivet 5 is arranged inside the negative electrode pressure plate 4, a negative electrode gasket 16 is arranged at the bottom of the negative electrode column 6, and a negative electrode connecting piece 17 is arranged at the bottom of the negative electrode gasket 16.

[0020] In this embodiment, the sliding post 11 is provided to facilitate the movement of the fixing member 15, and the two fixing members 15 are close to each other outside the sliding post 11. At the same time, the sliding post 11 is provided to facilitate the movement of the fixing member 15, and the two fixing members 15 are close to each other outside the sliding post 11 to fix the positive pole 8 and the negative pole 6. The positive pole pressure plate 2 and the negative pole pressure plate 4 are welded to the positive pole 8 and the negative pole 6. When the battery needs to be recycled, it only needs to break the positive rivet 9 and the negative rivet 5 to disassemble the positive pole 8 and the negative pole 6 from the lithium battery, which is convenient for disassembly. The explosion-proof valve 3 is provided to make the mounting plate have better explosion-proof performance, high safety, and greatly extend the service life of the battery.

[0021] Specifically, the fixing device includes a slide post 11, a fixing part 15 is arranged outside the slide post 11, and a spring 10 is arranged on one side of the fixing part 15. The fixing device facilitates fixing the positive pole 8 and the negative pole 6, and facilitates welding of the positive pole 8 and the negative pole 6, without the need to support welding by hand, thereby improving welding efficiency.

[0022] Specifically, there are four slide posts 11, which are arranged in parallel inside the positive pole fixing groove 14 and the negative pole fixing groove 13. The slide posts 11 are arranged to facilitate the movement of the fixing members 15. The two fixing members 15 are close to each other outside the slide posts 11 to fix the positive pole 8 and the negative pole 6.

[0023] Specifically, there are four fixing members 15 , and two fixing members 15 are symmetrically arranged outside the sliding column 11 and divided into two groups. The fixing members 15 slide outside the sliding column 11 through the elastic force of the spring 10 , and the positive electrode 8 and the negative electrode 6 are placed between the two fixing members 15 for fixing.

[0024] Specifically, the positive pressure plate 2 and the negative pressure plate 4 are fixed to the top of the cover plate 7 by the positive rivet 9 and the negative rivet 5 respectively. The positive pressure plate 2 and the negative pressure plate 4 are used to weld the positive electrode column 8 and the negative electrode column 6. The positive pressure plate 2 and the negative pressure plate 4 are welded to the positive electrode column 8 and the negative electrode column 6. When the battery needs to be recycled, it only needs to break the positive rivet 9 and the negative rivet 5 to disassemble the positive electrode column 8 and the negative electrode column 6 from the lithium battery, which is easy to disassemble.

[0025] Specifically, an explosion-proof membrane is installed inside the explosion-proof valve 3, and an explosion-proof cover is arranged on the top of the explosion-proof valve 3. Through the arrangement of the explosion-proof valve 3, the mounting plate has good explosion-proof performance, high safety, and greatly extends the service life of the battery.

[0026] Working principle and use process of the utility model: After the utility model is installed, when in use, the positive gasket 19 and the negative gasket 16 are respectively arranged at the bottom of the cover groove 1, and then the positive connecting piece 18 and the negative connecting piece 17 are installed at the bottom of the positive gasket 19 and the negative gasket 16, and the positive pressure plate 2 and the negative pressure plate 4 are fixed to the top of the cover plate 7 by the positive rivet 9 and the negative rivet 5, and the positive pole column fixing groove 14 and the negative pole column fixing groove 13 are in the same straight line. By fixing the cover plate 7 and the cover groove 1, further , respectively pass the positive pole 8 and the negative pole 6 through the inside of the positive pressure plate 2 and the negative pressure plate 4, and pass through the two fixings 15 to reach the bottom of the cover groove 1, and the fixing 15 is conveniently moved by the sliding column 11. The two fixings 15 are close to each other outside the sliding column 11, and the fixing 15 slides outside the sliding column 11 through the elastic force of the spring 10. When the positive pole 8 and the negative pole 6 are placed between the two fixings 15 for fixing, the positive pressure plate 2 and the negative pressure plate 4 are welded to the positive pole 8 and the negative pole 6.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An integrated lithium battery electrode column mounting plate, comprising a cover groove (1), wherein a partition plate (12) is arranged inside the cover groove (1), characterized in that: A positive pole column fixing groove (14) is provided on one side of the partition (12), a negative pole column fixing groove (13) is provided on the other side of the partition (12), fixing devices are provided inside the positive pole column fixing groove (14) and the negative pole column fixing groove (13), a cover plate (7) is provided on the top of the cover groove (1), a positive pole column (8) is provided through the inside of the cover plate (7), a positive pole pressure plate (2) is provided outside the positive pole column (8), a positive pole rivet (9) is provided inside the positive pole pressure plate (2), and the positive pole column (8) is provided with a positive electrode rivet (9) on the inside of the positive pole pressure plate (2). A positive electrode gasket (19) is arranged at the bottom of the positive electrode gasket (19), a positive electrode connecting piece (18) is arranged at the bottom of the cover plate (7), an explosion-proof valve (3) is arranged at the top of the cover plate (7), a negative electrode column (6) is arranged through the inside of the cover plate (7), a negative electrode pressure plate (4) is arranged outside the negative electrode column (6), a negative electrode rivet (5) is arranged inside the negative electrode pressure plate (4), a negative electrode gasket (16) is arranged at the bottom of the negative electrode column (6), and a negative electrode connecting piece (17) is arranged at the bottom of the negative electrode gasket (16).

2. The integrated lithium battery electrode column mounting plate according to claim 1, characterized in that: The fixing device comprises a sliding column (11), a fixing piece (15) is arranged outside the sliding column (11), and a spring (10) is arranged on one side of the fixing piece (15).

3. The integrated lithium battery electrode column mounting plate according to claim 2, characterized in that: The number of the slide posts (11) is four, and the four slide posts (11) are arranged in parallel inside the positive electrode post fixing groove (14) and the negative electrode post fixing groove (13).

4. The integrated lithium battery electrode column mounting plate according to claim 2, characterized in that: The number of the fixing members (15) is four, and the two fixing members (15) are symmetrically arranged outside the sliding column (11) and divided into two groups.

5. The integrated lithium battery electrode column mounting plate according to claim 1, characterized in that: The positive electrode pressing plate (2) and the negative electrode pressing plate (4) are fixed to the top of the cover plate (7) via positive electrode rivets (9) and negative electrode rivets (5) respectively, and the positive electrode pressing plate (2) and the negative electrode pressing plate (4) are used to weld the positive electrode column (8) and the negative electrode column (6).

6. The integrated lithium battery electrode column mounting plate according to claim 1, characterized in that: An explosion-proof membrane is installed inside the explosion-proof valve (3), and an explosion-proof cover is arranged on the top of the explosion-proof valve (3).

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