Steel shell riveting structure device and battery

Abstract

The utility model discloses a steel shell riveting structure device which comprises a steel shell and a riveting structure arranged at the end of the steel shell. The riveting structure comprises a pole, the pole comprises a mounting table, a clamping ring table and a locking ring table which are integrally formed, and the clamping ring table is clamped with the steel shell; an inner insulating part is attached to the mounting table and the clamping ring table and abuts against the steel shell; an outer insulating part is attached to the steel shell and the locking ring table and abuts against the inner insulating part. A pressing ring used for pressing and fixing the inner insulating part and the outer insulating part is arranged on the clamping ring table and the locking ring table in an abutting mode. According to the assembling structure for optimizing the riveting structure, the inner insulating part and the outer insulating part are attached to the pole, and the pressing ring is adopted to fix the inner insulating part and the outer insulating part, that is, the insulating property of the interior of the device is met through a double-insulating structure, the overall performance and the structural stability are improved, and the locking ring table is parallel to the mounting table through riveting; the locking reliability of the inner insulating part, the outer insulating part and the steel shell is improved, and the overall structural strength and stability are optimized.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, and in particular to a steel shell riveting structure device and a battery. Background Art

[0002] At present, the new energy industry is developing rapidly, and the demand for batteries is also increasing. Among them, cylindrical batteries are widely used because of their advantages such as stable structure and performance and large capacity. However, the existing riveting of battery steel shells has the disadvantages of complex structure, poor internal insulation, cumbersome riveting assembly, poor structural stability, etc., which cannot meet the high quality requirements of battery assembly. Utility Model Content

[0003] In order to overcome the above technical problems, the utility model discloses a steel shell riveting structure device.

[0004] The technical solution adopted by the utility model to achieve the above-mentioned purpose is:

[0005] A steel shell riveting structure device, comprising a steel shell and a riveting structure arranged at the end of the steel shell;

[0006] The riveting structure includes a pole, and the pole includes an integrally formed mounting platform, a clamping ring platform and a locking ring platform, and the clamping ring platform is clamped and arranged with the steel shell;

[0007] An inner insulating member is provided in contact with the mounting platform and the locking ring platform and abuts against the steel shell;

[0008] An outer insulating member is provided in contact with the steel shell and the locking ring and abuts against the inner insulating member;

[0009] A pressure ring for pressing and fixing the inner insulating member and the outer insulating member is arranged against the engaging ring platform and the locking ring platform.

[0010] The above-mentioned steel shell riveting structure device, wherein the inner insulating part includes a first inner insulating part and a second inner insulating part which are integrally formed and vertically arranged, the first inner insulating part is fitted between the mounting platform and the steel shell, and the second inner insulating part is fitted between the clamping ring platform and the steel shell and abuts against the pressure ring.

[0011] The above-mentioned steel shell riveting structure device, wherein the outer insulating part includes a first outer insulating part and a second outer insulating part that are integrally formed and vertically arranged, the first outer insulating part is fitted between the steel shell and the pressure ring and abuts against the second inner insulating part, and the second outer insulating part is fitted with the locking ring.

[0012] In the above-mentioned steel shell riveting structure device, the outer diameter of the mounting platform is larger than the outer diameter of the locking ring platform, and the outer diameter of the locking ring platform is larger than the outer diameter of the locking ring platform.

[0013] In the above-mentioned steel shell riveting structure device, the plane where the mounting platform is located is parallel to the plane where the locking ring platform is located.

[0014] In the above-mentioned steel shell riveting structure device, the outer insulating member is a PPS outer insulating member.

[0015] In the above-mentioned steel shell riveting structure device, the inner insulating part is a fluororubber inner insulating part.

[0016] In the above-mentioned steel shell riveting structure device, the pole is an aluminum pole.

[0017] In the above-mentioned steel shell riveting structure device, the pressing ring is a stainless steel pressing ring.

[0018] A battery comprises the steel shell riveting structure device as described above.

[0019] The beneficial effects of the utility model are as follows: the utility model is reasonably and cleverly designed, optimizes the assembly structure of the riveted structure, utilizes the inner insulating part and the outer insulating part to fit with the pole, and adopts the pressure ring to fix the inner insulating part and the outer insulating part, that is, the double insulation structure is used to meet the insulation inside the device, improve the overall performance and structural stability, wherein the locking ring platform is made parallel to the mounting platform by riveting, further improves the locking reliability of the inner insulating part, the outer insulating part and the steel shell, and thus optimizes the overall structural strength and stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 It is a schematic cross-sectional view of the structure of the utility model;

[0022] Figure 2 For the utility model Figure 1 An enlarged schematic diagram of part A. DETAILED DESCRIPTION

[0023] The present invention is further described below through specific embodiments to make the technical solution of the present invention easier to understand and grasp, rather than to limit the present invention.

[0024] Example: See Figure 1 to Figure 2 , this embodiment provides a steel shell riveting structure device, which includes a steel shell 1 and a riveting structure arranged at the end of the steel shell 1;

[0025] The riveting structure includes a pole, and the pole includes an integrally formed mounting platform 21, a clamping ring platform 22 and a locking ring platform 23, and the clamping ring platform 22 is clamped and arranged with the steel shell 1;

[0026] An inner insulating member is provided in contact with the mounting platform 21 and the locking ring platform 22 and abutting against the steel shell 1;

[0027] An outer insulating member is provided in contact with the steel shell 1 and the locking ring 23 and abutting against the inner insulating member;

[0028] A pressure ring 3 for pressing and fixing the inner insulating member and the outer insulating member is provided against the engaging ring platform 22 and the locking ring platform 23 .

[0029] Specifically, the assembly structure of the riveted structure is optimized, the inner insulator and the outer insulator are fitted with the pole, and the pressure ring 3 is used to fix the inner insulator and the outer insulator, that is, the double insulation structure is used to meet the insulation inside the device, and the overall performance and structural stability are improved, wherein the locking ring platform 23 is made parallel to the mounting platform 21 by riveting, further improving the locking reliability of the inner insulator, the outer insulator and the steel shell 1, thereby optimizing the overall structural strength and stability of the device.

[0030] Preferably, the inner insulating member includes a first inner insulating portion 41 and a second inner insulating portion 42 which are integrally formed and vertically arranged, the first inner insulating portion 41 being fitted between the mounting platform 21 and the steel shell 1, the second inner insulating portion 42 being fitted between the snap-fitting ring platform 22 and the steel shell 1 and abutting against the pressure ring 3; specifically, the inner insulating member is optimized to have the first inner insulating portion 41 and the second inner insulating portion 42 which are perpendicular to each other, thereby improving the tightness and reliability of the fitting between the mounting platform 21, the snap-fitting ring platform 22 and the steel shell 1.

[0031] Preferably, the outer insulating member includes a first outer insulating portion 51 and a second outer insulating portion 52 which are integrally formed and vertically arranged, the first outer insulating portion 51 is fitted between the steel shell 1 and the pressure ring 3 and abuts against the second inner insulating portion 42, and the second outer insulating portion 52 is fitted with the locking ring 23; specifically, the outer insulating member is optimized to have the first outer insulating portion 51 and the second outer insulating portion 52 which are perpendicular to each other, thereby improving the tightness and reliability of the fit between the locking ring 23 and the steel shell 1.

[0032] Specifically, the outer diameter of the mounting platform 21 is larger than the outer diameter of the locking ring platform 22 , and the outer diameter of the locking ring platform 23 is larger than the outer diameter of the locking ring platform 22 .

[0033] Furthermore, the plane where the mounting platform 21 is located is parallel to the plane where the locking ring platform 23 is located, so as to further optimize the overall structural strength and stability of the device.

[0034] In a preferred embodiment, the outer insulating member is a PPS outer insulating member.

[0035] In a preferred embodiment, the inner insulating member is a fluororubber inner insulating member.

[0036] In a preferred embodiment, the pole is an aluminum pole.

[0037] In a preferred embodiment, the pressure ring 3 is a stainless steel pressure ring.

[0038] Specifically, the pole is formed by a two-step flanging and riveting method to form the locking ring platform. The first step of riveting is to pre-fold the locking ring platform flange by pre-riveting, and the second step of riveting is to rivet the locking ring platform flat so that the plane of the locking ring platform 23 is parallel to the plane of the mounting platform 21, thereby ensuring the overall structural strength and performance stability of the device.

[0039] This embodiment also discloses a battery, which includes the steel shell riveting structure device as described above.

[0040] The utility model is reasonably and cleverly designed, optimizes the assembly structure of the riveted structure, utilizes the inner insulating member and the outer insulating member to fit with the pole, and adopts the pressure ring to fix the inner insulating member and the outer insulating member, that is, the double insulation structure is used to meet the insulation inside the device, improve the overall performance and structural stability, wherein the locking ring platform is made parallel to the mounting platform by riveting, further improves the locking reliability of the inner insulating member, the outer insulating member and the steel shell, and thus optimizes the overall structural strength and stability of the device.

[0041] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the utility model by using the technical means and technical contents disclosed above, without departing from the scope of the technical solution of the utility model, or modify it into an equivalent embodiment of equivalent changes. Therefore, all equivalent changes made according to the shape, structure and principle of the utility model without departing from the content of the technical solution of the utility model should be covered by the protection scope of the utility model.

Claims

1. A steel shell riveting structure device, characterized in that: It includes a steel shell and a riveting structure arranged at the end of the steel shell; The riveting structure includes a pole, and the pole includes an integrally formed mounting platform, a clamping ring platform and a locking ring platform, and the clamping ring platform is clamped and arranged with the steel shell; An inner insulating member is provided in contact with the mounting platform and the locking ring platform and abuts against the steel shell; An outer insulating member is provided in contact with the steel shell and the locking ring and abuts against the inner insulating member; A pressure ring for pressing and fixing the inner insulating member and the outer insulating member is arranged against the engaging ring platform and the locking ring platform.

2. The steel shell riveting structure device according to claim 1, characterized in that: The inner insulating part includes a first inner insulating part and a second inner insulating part which are integrally formed and vertically arranged. The first inner insulating part is fitted between the mounting platform and the steel shell, and the second inner insulating part is fitted between the locking ring platform and the steel shell and abuts against the pressure ring.

3. The steel shell riveting structure device according to claim 2, characterized in that: The outer insulating member includes a first outer insulating portion and a second outer insulating portion which are integrally formed and vertically arranged. The first outer insulating portion is arranged between the steel shell and the pressure ring and abuts against the second inner insulating portion. The second outer insulating portion is fitted with the locking ring.

4. The steel shell riveting structure device according to claim 3 is characterized in that: The outer diameter of the mounting platform is larger than the outer diameter of the locking ring platform, and the outer diameter of the locking ring platform is larger than the outer diameter of the locking ring platform.

5. The steel shell riveting structure device according to claim 4, characterized in that: The plane where the mounting platform is located is parallel to the plane where the locking ring platform is located.

6. The steel shell riveting structure device according to claim 5, characterized in that: The outer insulating member is a PPS outer insulating member.

7. The steel shell riveting structure device according to claim 6, characterized in that: The inner insulating part is a fluororubber inner insulating part.

8. The steel shell riveting structure device according to claim 7, characterized in that: The pole is an aluminum pole.

9. The steel shell riveting structure device according to claim 8, characterized in that: The pressing ring is a stainless steel pressing ring.

10. A battery, characterized in that: It comprises a steel shell riveting structure device as described in any one of claims 1 to 9.

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