Connecting structure for steel cap and anti-explosion sheet of battery

Abstract

The utility model discloses a connecting structure for a steel cap and an anti-explosion piece of a battery, and relates to the technical field of batteries, in particular to the connecting structure for the steel cap and the anti-explosion piece of the battery, which comprises a steel cap body, an anti-explosion piece body and a sleeve connecting ring, a first sliding block is arranged on the outer surface of the steel cap body, and a second sliding block is arranged on the outer surface of the anti-explosion piece body; a strip-shaped plate is installed on the inner surface of the sleeve connecting ring. According to the connecting structure for the steel cap and the anti-explosion piece of the battery, the steel cap body, the anti-explosion piece body, the sleeve connecting ring, the first sliding block, the second sliding block, the strip-shaped plate, the sealing ring and the thermistor ring are arranged, so that the connecting structure for the steel cap and the anti-explosion piece of the battery has the advantages that the steel cap and the anti-explosion piece can be conveniently positioned and mounted; the effect of preventing the positions of the steel cap and the anti-explosion piece from deviating is achieved, the positioning effect is achieved through the first sliding block and the second sliding block, the sealing performance of the connecting position is improved through the arrangement of the sealing ring, and the purpose of improving practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a battery steel cap and explosion-proof sheet connection structure. Background Art

[0002] Cylindrical batteries are a common type of battery, widely used in electric vehicles, mobile communication terminals, photovoltaic energy and other fields. With the widespread use of cylindrical batteries, their safety issues have become increasingly prominent. The connection between the steel cap and the explosion-proof disk is crucial, directly affecting important parameters of the battery cap, such as resistance, rust resistance, and appearance.

[0003] The battery steel cap and explosion-proof disk connection structure in the prior art is not convenient for positioning and installation during the connection and installation of the steel cap and the explosion-proof disk. The positions of the steel cap and the explosion-proof disk are easily offset, affecting the connection between the steel cap and the explosion-proof disk. In addition, the connection and installation of the steel cap and the explosion-proof disk in the existing battery steel cap and explosion-proof disk connection structure are relatively troublesome and inconvenient. A battery steel cap and explosion-proof disk connection structure is now invented to solve the above problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a battery steel cap and explosion-proof disk connection structure, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a battery steel cap and explosion-proof disk connection structure, including a steel cap body, an explosion-proof disk body and a sleeve connecting ring, the outer surface of the steel cap body is installed with a first slider, the outer surface of the explosion-proof disk body is installed with a second slider, the inner surface of the sleeve connecting ring is installed with a strip plate, the inner bottom wall of the sleeve connecting ring is provided with a sealing ring, the top of the explosion-proof disk body is abutted with a thermistor ring, the top of the steel cap body is abutted with an annular pressure block, the outer surface of the annular pressure block is installed with a connecting rod, the end of the connecting rod is installed with a positioning block, the outer surface of the sleeve connecting ring is installed with a cavity block, the interior of the cavity block is installed with a limit spring, one end of the limit spring is installed with a limit block, the bottom of the limit block is installed with a convex slider, and the top of the limit block is installed with a push block.

[0008] Optionally, a strip slide groove with a length in the up-down direction is opened on one side of the strip plate, and ends of the first slider and the second slider are both located inside the strip slide groove, and the first slider and the second slider can slide along the length direction of the strip slide groove.

[0009] Optionally, the bottom of the steel cap body abuts against the top of the thermistor ring, and the bottom of the explosion-proof disk body abuts against the top of the sealing ring.

[0010] Optionally, a positioning groove with a depth in the vertical direction is formed on the top of the cavity block, and an end of the positioning block is inserted into the positioning groove.

[0011] Optionally, the front and rear of the positioning block are both provided with limiting grooves with a depth in the front-rear direction, and the ends of the limiting block are inserted into the limiting grooves.

[0012] Optionally, the inner bottom wall of the cavity block is provided with a convex slide groove having a depth in the up-down direction and a length in the front-to-back direction, the end of the convex sliding block is located inside the convex slide groove, and the convex sliding block can slide along the length direction of the convex slide groove.

[0013] Optionally, the diameters of the steel cap body and the explosion-proof disk body are both smaller than the maximum diameter of the sleeve connecting ring, and the ends of the steel cap body and the explosion-proof disk body are both located inside the sleeve connecting ring.

[0014] Optionally, the inner top wall of the annular pressing block abuts against the top of the sleeve connecting ring, and there are a plurality of strip plates, which are arranged in an annular array.

[0015] (III) Beneficial effects

[0016] The utility model provides a battery steel cap and explosion-proof plate connection structure, which has the following beneficial effects:

[0017] 1. The battery steel cap and explosion-proof disk connection structure, through the arrangement of the steel cap body, the explosion-proof disk body, the sleeve connection ring, the first slider, the second slider, the strip plate, the sealing ring and the thermistor ring, makes the battery steel cap and explosion-proof disk connection structure convenient for positioning and installing the steel cap and the explosion-proof disk, and avoids the position deviation of the steel cap and the explosion-proof disk. The first slider and the second slider play a positioning role, and the sealing of the connection is improved through the arrangement of the sealing ring, thereby achieving the purpose of improving practicality.

[0018] 2. The battery steel cap and explosion-proof disk connection structure, through the arrangement of the annular pressure block, the connecting rod, the positioning block, the cavity block, the limit spring, the limit block, the convex slider and the push block, makes the battery steel cap and explosion-proof disk connection structure have the effect of facilitating the connection and installation between the steel cap and the explosion-proof disk. The position of the steel cap body and the explosion-proof disk body is limited by pressing down the annular pressure block. The position of the annular pressure block is conveniently limited by the cooperation of the positioning block and the limit block, and the connection and installation of the steel cap and the explosion-proof disk are convenient, thereby achieving the purpose of improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the utility model in front view section;

[0021] Figure 3 It is a schematic diagram of the structure of the utility model in top view;

[0022] Figure 4 It is a schematic diagram of the structure of the side cross-section of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the sleeve connecting ring of the utility model.

[0024] In the figure: 1. steel cap body; 2. explosion-proof disk body; 3. sleeve connecting ring; 4. first slider; 5. second slider; 6. strip plate; 7. sealing ring; 8. thermistor ring; 9. annular pressure block; 10. connecting rod; 11. positioning block; 12. cavity block; 13. limit spring; 14. limit block; 15. convex slider; 16. push block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] Example 1

[0027] See also Figures 1 to 5 The utility model provides a technical solution: a battery steel cap and explosion-proof disk connection structure, comprising a steel cap body 1, an explosion-proof disk body 2 and a sleeve connecting ring 3, the bottom of the steel cap body 1 abuts against the top of the thermistor ring 8, the bottom of the explosion-proof disk body 2 abuts against the top of the sealing ring 7, the diameters of the steel cap body 1 and the explosion-proof disk body 2 are both smaller than the maximum diameter of the sleeve connecting ring 3, and the ends of the steel cap body 1 and the explosion-proof disk body 2 are both located inside the sleeve connecting ring 3, a first slider 4 is installed on the outer surface of the steel cap body 1, a second slider 5 is installed on the outer surface of the explosion-proof disk body 2, a strip plate 6 is installed on the inner surface of the sleeve connecting ring 3, a side surface of the strip plate 6 is provided with a strip slide groove with a length in the up and down direction, the ends of the first slider 4 and the second slider 5 are both located inside the strip slide groove, the first slider 4 and the second slider 5 can slide along the length direction of the strip slide groove, a sealing ring 7 is provided on the inner bottom wall of the sleeve connecting ring 3, and the top of the explosion-proof disk body 2 abuts against the thermistor ring 8.

[0028] During use, when connecting and installing the steel cap body 1 and the explosion-proof disk body 2, move the explosion-proof disk body 2 so that the end of the second slider 5 is placed inside the strip slide groove, so that the bottom of the explosion-proof disk body 2 abuts against the sealing ring 7, thereby improving the sealing of the connection; then place the thermistor ring 8 on the explosion-proof disk body 2, then move the steel cap body 1 so that the end of the first slider 4 enters into the strip slide groove, so that the bottom of the steel cap body 1 abuts against the top of the thermistor ring 8, thereby facilitating the positioning, installation and connection of the steel cap body 1 and the explosion-proof disk body 2, avoiding the positional deviation of the steel cap body 1 and the explosion-proof disk body 2, avoiding affecting the connection and installation between the steel cap body 1 and the explosion-proof disk body 2, and improving practicality.

[0029] Example 2

[0030] See also Figures 1 to 5 The utility model provides a technical solution: a battery steel cap and explosion-proof disk connection structure, the top of the steel cap body 1 is abutted with an annular pressure block 9, the inner top wall of the annular pressure block 9 is abutted with the top of the sleeve connecting ring 3, the number of strip plates 6 is several, and the several strip plates 6 are arranged in a circular array, the outer surface of the annular pressure block 9 is installed with a connecting rod 10, and the end of the connecting rod 10 is installed with a positioning block 11. The front and rear of the positioning block 11 are both provided with a limit groove with a depth in the front and rear direction, and the end of the limit block 14 is inserted into the inside of the limit groove, and the outer surface of the sleeve connecting ring 3 is installed with a cavity Block 12, a positioning groove with a depth in the up-down direction is provided on the top of the cavity block 12, the end of the positioning block 11 is inserted into the inside of the positioning groove, and a convex slide groove with a depth in the up-down direction and a length in the front-to-back direction is provided on the inner bottom wall of the cavity block 12, the end of the convex sliding block 15 is located inside the convex slide groove, and the convex sliding block 15 can slide along the length direction of the convex slide groove, a limiting spring 13 is installed inside the cavity block 12, a limiting block 14 is installed at one end of the limiting spring 13, a convex sliding block 15 is installed at the bottom of the limiting block 14, and a push block 16 is installed at the top of the limiting block 14.

[0031] When in use, when connecting and installing the steel cap body 1 and the explosion-proof disk body 2, the pushing block 16 is pushed, so that the pushing block 16 drives the limiting block 14 and the convex sliding block 15 to move, so that the limiting spring 13 is forced to contract, so that the convex sliding block 15 is positioned and slid along the length direction of the convex sliding groove, so that the limiting block 14 is away from the positioning groove, and then the annular pressing block 9 is moved to make the end of the positioning block 11 inserted into the interior of the positioning groove, so that the bottom of the annular pressing block 9 abuts against the top of the steel cap body 1. When the bottom of the positioning block 11 abuts against the inner bottom wall of the positioning groove, the limiting block 14 is aligned with the limiting groove, and the pushing block 16 is released. Through the elastic tension of the limiting spring 13, the end of the limiting block 14 is inserted into the interior of the limiting groove, limiting the position of the positioning block 11, which is convenient for the annular pressing block 9 to press down and limit the position of the steel cap body 1 and the explosion-proof disk body 2, and the connection and installation of the steel cap body 1 and the explosion-proof disk body 2 are convenient, thereby improving practicality.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A battery steel cap and explosion-proof disk connection structure, comprising a steel cap body, an explosion-proof disk body and a sleeve connection ring, Features: A first slider is installed on the outer surface of the steel cap body, a second slider is installed on the outer surface of the explosion-proof disk body, a strip plate is installed on the inner surface of the sleeve connecting ring, a sealing ring is provided on the inner bottom wall of the sleeve connecting ring, a thermistor ring is abutted on the top of the explosion-proof disk body, an annular pressure block is abutted on the top of the steel cap body, a connecting rod is installed on the outer surface of the annular pressure block, a positioning block is installed on the end of the connecting rod, a cavity block is installed on the outer surface of the sleeve connecting ring, a limit spring is installed inside the cavity block, a limit block is installed on one end of the limit spring, a convex slider is installed on the bottom of the limit block, and a push block is installed on the top of the limit block.

2. A battery steel cap and explosion-proof disk connection structure according to claim 1, Features: A strip slide groove with a length in the up-down direction is provided on one side of the strip plate. The ends of the first slider and the second slider are both located inside the strip slide groove. The first slider and the second slider can slide along the length direction of the strip slide groove.

3. A battery steel cap and explosion-proof disk connection structure according to claim 1, Features: The bottom of the steel cap body abuts against the top of the thermistor ring, and the bottom of the explosion-proof disk body abuts against the top of the sealing ring.

4. A battery steel cap and explosion-proof disk connection structure according to claim 1, Features: A positioning groove with a depth in the up-and-down direction is provided on the top of the cavity block, and the end of the positioning block is inserted into the interior of the positioning groove.

5. A battery steel cap and explosion-proof disk connection structure according to claim 1, Features: The front and rear of the positioning block are both provided with limiting grooves with a depth in the front-rear direction, and the ends of the limiting block are inserted into the inside of the limiting grooves.

6. A battery steel cap and explosion-proof disk connection structure according to claim 1, Features: The inner bottom wall of the cavity block is provided with a convex slide groove with a depth in the up-down direction and a length in the front-back direction. The end of the convex slider is located inside the convex slide groove, and the convex slider can slide along the length direction of the convex slide groove.

7. A battery steel cap and explosion-proof disk connection structure according to claim 1, Features: The diameters of the steel cap body and the explosion-proof disk body are both smaller than the maximum diameter of the sleeve connecting ring, and the ends of the steel cap body and the explosion-proof disk body are both located inside the sleeve connecting ring.

8. A battery steel cap and explosion-proof disk connection structure according to claim 1, Features: The inner top wall of the annular pressing block abuts against the top of the sleeve connecting ring. There are a plurality of strip plates, which are arranged in an annular array.

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