Positive electrode cover plate V-shaped scribed line structure device and battery

Abstract

The utility model discloses a V-shaped scribed line structure device for a positive electrode cover plate. The V-shaped scribed line structure device comprises an anti-deformation part and a positioning part, the upper surface of the anti-deformation part is concave inwards to form an anti-deformation circular cavity; the anti-deformation circular cavity is concave inwards towards the positioning part to form an anti-explosion ring cavity, and the anti-explosion ring cavity and the anti-deformation circular cavity are located on the same central axis; the diameter of the anti-deformation circular cavity is gradually reduced from a position far away from the positioning part to a position close to the positioning part, so that an anti-deformation inclined table is formed on the edge of the anti-deformation circular cavity; the inner diameter of the anti-explosion ring cavity is gradually increased from the position close to the anti-deformation part, and the outer diameter of the anti-explosion ring cavity is gradually decreased from the position close to the anti-deformation part, so that the inner ring edge and the outer ring edge of the anti-explosion ring cavity form an anti-explosion ring groove; the utility model also discloses a battery. According to the utility model, the anti-deformation circular cavity and the anti-explosion ring cavity are coaxially and inwards concaved to replace the original welding structure, the structure is simple, the stability is high, the deformation is not easy to occur, the liquid leakage phenomenon in the assembly and use process of the device is improved, and the undesirable phenomena of welding missing, untight welding and the like are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technology field, concretely relates to a positive cover V type line structure device and battery. BACKGROUND

[0002] In the field of new energy batteries, the demand for positive cover plates, as battery structural components, has increased dramatically. The original positive cover plate is a welded structure (structure as shown in the description Figure 4 and 5 ), which has many product processing and forming procedures, poor structural strength and stability, and is prone to welding defects, such as incomplete welding and poor welding. After assembly, the battery may leak, making it difficult to ensure the quality of the positive cover plate product and the assembled battery. SUMMARY

[0003] To overcome the above technical problems, the utility model discloses a positive cover V type line structure device and battery.

[0004] The utility model discloses the technical scheme adopted by the utility model for realizing the above-mentioned purposes is:

[0005] A positive cover V type line structure device, comprising a deformation prevention part and a positioning part integrally formed from top to bottom;

[0006] A deformation prevention circular cavity is formed in the upper surface of the deformation prevention part;

[0007] A blast ring cavity is formed in the deformation prevention circular cavity towards the positioning part, and the blast ring cavity and the deformation prevention circular cavity are on the same central axis;

[0008] The diameter of the deformation prevention circular cavity gradually decreases from far to close to the positioning part, so that the edge of the deformation prevention circular cavity forms a deformation prevention inclined table;

[0009] The inner diameter of the blast ring cavity gradually increases from close to far from the deformation prevention part, and the outer diameter of the blast ring cavity gradually decreases from close to far from the deformation prevention part, so that the inner ring edge and the outer ring edge of the blast ring cavity form a blast ring-shaped valley.

[0010] The positive cover V type line structure device, wherein the diameter of the deformation prevention part is smaller than the diameter of the positioning part.

[0011] The positive cover V type line structure device, wherein the diameter of the deformation prevention circular cavity is greater than the diameter of the blast ring cavity.

[0012] The positive cover V type line structure device, wherein the height of the blast ring-shaped valley is less than the height of the positioning part.

[0013] The upper surface of the deformation prevention part is parallel to the lower surface of the positioning part.

[0014] The edge profile of the deformation prevention part is a right angle.

[0015] The edge profile of the positioning part is a right angle.

[0016] A battery comprising the V-shaped line structure device of the positive electrode cover plate.

[0017] The utility model discloses a beneficial effect is: the utility model discloses reasonable and ingenious, the whole structure of optimization device is created, and the coaxial concave formation prevents the deformation round cavity and the explosion -proof ring cavity to replace the original welding structure, and the simple structure is high and stable, and the line size, explosion -proof value data can all be adjusted as needed, and the deformation is not easy to occur in the production, transfer and assembly process, and the liquid leakage phenomenon that appears in the assembly use process of the device is improved, and can be one -off forming, and the forming procedure is less, avoids the possible welding, welding not strict etc. Undesirable phenomenon that appears in the original welding process, improves the finished product quality, wherein the cooperation of the deformation prevention inclined table and the explosion -proof ring valley is helpful to prevent the deformation of the device due to stress, and further improve the overall structural strength and stability. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further explained in connection with the drawings and examples.

[0019] Figure 1 It is the overhead schematic view of the utility model;

[0020] Figure 2 It is the sectional view schematic view of the utility model;

[0021] Figure 3 It is Figure 2 The enlarged schematic view of A of

[0022] Figure 4 It is the sectional view schematic view of the traditional positive electrode cover plate;

[0023] Figure 5 It is Figure 4 The enlarged schematic view of B of DETAILED DESCRIPTION

[0024] The utility model will be further explained in connection with the drawings and examples.

[0025] Example: see Figures 1 to 3The embodiment provides a positive electrode cover plate V-shaped line structure device, which comprises a deformation prevention part 1 and a positioning part 2 which are integrally formed from top to bottom.

[0026] A deformation prevention circular cavity 11 is formed in the upper surface of the deformation prevention part 1.

[0027] A blast prevention ring cavity 12 is formed in the deformation prevention circular cavity 11 towards the positioning part 2, and the blast prevention ring cavity 12 and the deformation prevention circular cavity 11 are on the same central axis.

[0028] The diameter of the deformation prevention circular cavity 11 gradually decreases from far to close to the positioning part 2, so that the edge of the deformation prevention circular cavity 11 forms a deformation prevention inclined table.

[0029] The inner diameter of the blast prevention ring cavity 12 gradually increases from close to far from the deformation prevention part 1, and the outer diameter of the blast prevention ring cavity 12 gradually decreases from close to far from the deformation prevention part 1, so that the inner ring edge and the outer ring edge of the blast prevention ring cavity 12 form a blast prevention ring valley.

[0030] Specifically, the overall structure of the device is innovatively optimized, the deformation prevention circular cavity 11 and the blast prevention ring cavity 12 are coaxially recessed, the original welding structure is replaced, the structure is simple and stable, the line size and the blast prevention value data can be adjusted as required, deformation is not prone to occur in the production, transportation and assembly process, the liquid leakage phenomenon in the assembly and use process of the device is improved, the device can be formed at one time, the forming process is less, the welding leakage and the welding failure in the original welding process are avoided, and the product quality is improved; wherein, the cooperation of the deformation prevention inclined table and the blast prevention ring valley helps to prevent the device from deforming due to stress, and further improves the overall structural strength and stability.

[0031] Preferably, the diameter of the deformation prevention part 1 is smaller than the diameter of the positioning part 2, the diameter of the deformation prevention circular cavity 11 is greater than the diameter of the blast prevention ring cavity 12, and the height of the blast prevention ring valley is smaller than the height of the positioning part 2, so that the overall structural strength and stability are greatly improved.

[0032] Preferably, the upper surface of the deformation prevention part 1 is parallel to the lower surface of the positioning part 2, so that damage of the device due to stress deformation is avoided.

[0033] Preferably, the edge profile of the deformation prevention part 1 is a right angle, and the edge profile of the positioning part 2 is a right angle, so that the deformation of the device due to stress is further prevented, and the overall structural strength and stability are improved.

[0034] The utility model discloses still disclose a kind of batteries, which include the positive electrode cover plate V-shaped line structure device.

[0035] The utility model discloses a rational and ingenious design, and optimizes the whole structure of device innovatively, and the anti-deformation round cavity and the anti-explosion ring cavity are formed coaxially concave, to replace the original welding structure, and the structure is simple and high in stability, and the scribe size, anti-explosion value data can all be adjusted as required, and deformation is not easy to occur in the production, transfer and assembly process, and the liquid leakage phenomenon in the assembly and use process of the device is improved, and one-time forming is available, and the forming procedure is less, and the adverse phenomena such as the possible welding leakage and the welding not being strict in the original welding process are avoided, and the finished product quality is improved, wherein the cooperation of the anti-deformation inclined table and the anti-explosion ring valley groove helps to prevent the device from deforming due to stress, and further improves the overall structural strength and stability.

[0036] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form. Any skilled person in the art can make many possible changes and modifications to the utility model technical scheme or modify equivalent embodiments by using the disclosed technical means and technical contents without departing from the scope of the utility model technical scheme. Therefore, equivalent changes according to the shape, structure and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A positive cover plate V-shaped scribe line structure device, characterized in that, It comprises a deformation-preventing part and a positioning part integrally formed from top to bottom; A deformation-preventing circular cavity is formed in the upper surface of the deformation-preventing part; A blast-preventing ring cavity is formed in the deformation-preventing circular cavity towards the positioning part, and the blast-preventing ring cavity is on the same central axis as the deformation-preventing circular cavity; The diameter of the deformation-preventing circular cavity gradually decreases from far to near the positioning part, so that the edge of the deformation-preventing circular cavity forms a deformation-preventing inclined table; The inner diameter of the blast-preventing ring cavity gradually increases from near to far the deformation-preventing part, and the outer diameter of the blast-preventing ring cavity gradually decreases from near to far the deformation-preventing part, so that the inner and outer ring edges of the blast-preventing ring cavity form a blast-preventing ring valley.

2. The positive cover V-shaped scribe line structure device according to claim 1, wherein, The diameter of the deformation-preventing part is smaller than the diameter of the positioning part.

3. The positive cover V-shaped scribe line structure device according to claim 2, wherein, The diameter of the deformation-preventing circular cavity is larger than the diameter of the blast-preventing ring cavity.

4. The positive cover V-shaped scribe line structure device according to claim 3, wherein, The height of the blast-preventing ring valley is smaller than the height of the positioning part.

5. The positive cover V-shaped scribe line structure device according to claim 4, wherein, The upper surface of the deformation-preventing part is parallel to the lower surface of the positioning part.

6. The positive cover V-shaped scribe line structure device according to claim 5, wherein, The edge profile of the deformation-preventing part is a right angle.

7. The positive cover V-shaped scribe line structure device according to claim 6, wherein, The edge profile of the positioning part is a right angle.

8. A battery, characterized by It comprises the positive cover plate V-shaped line structure device as claimed in any one of claims 1-7.

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