Battery sealing ring

By designing a tensile-resistant cavity and reinforced structure in the battery sealing ring, the problems of explosion-proof groove tensile damage and central column cracking are solved, and the sealing performance and durability of the battery are improved.

CN223140895UActive Publication Date: 2025-07-22PRASEODYMIUM GONG TECH (HUIZHOU) CO LTD
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Patent Information

Application Number
CN202420912574.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-29
Publication Date
2025-07-22
Estimated Expiration
2034-04-29

AI Technical Summary

Technical Problem

The explosion-proof grooves of the existing battery seal ring are prone to tensile damage when the copper nail is inserted, and the central column is insufficient, resulting in reduced battery leakage resistance and high risk of cracking.

Method used

A battery sealing ring is designed, including a tensile-resistant cavity evenly distributed between the sealing ring and the mounting ring, equipped with reinforcement ribs and reinforcement rings, which enhance the tensile resistance of the mounting ring and ensure the stability of the central column through the pulling column.

Benefits of technology

Effectively prevent tensile damage from explosion-proof grooves, enhance the strength of the central column, avoid cracking during assembly, and improve the sealing performance and service life of the battery.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of battery sealing, in particular to a battery sealing ring. The explosion-proof groove solves the problems that the explosion-proof groove is damaged by stretching and is easy to crack. The sealing ring comprises a sealing ring body, a mounting ring is coaxially arranged in the middle of the sealing ring body, a plurality of tensile cavities are evenly distributed between the mounting ring body and the sealing ring body in the circumferential direction, and a reinforcing part is arranged between the bottom of the mounting ring body and the bottom of the sealing ring body. According to the utility model, the tensile property of the mounting ring is enhanced, and the anti-explosion groove is prevented from tensile damage when a copper nail is inserted; the strength of the central column is enhanced, and cracking is avoided in the assembling and matching process of the central column and the copper nail.
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Description

Technical Field

[0001] The utility model relates to the technical field of battery sealing, in particular to a battery sealing ring. Background Art

[0002] The battery sealing ring plays a decisive role in the leak-proof and explosion-proof safety performance of the battery, and at the same time affects the overall performance of the battery discharge capacity.

[0003] Most of the explosion-proof grooves of the existing battery sealing rings are arranged around the central column. When the copper nail is inserted into the middle hole, it will cause tensile damage to the explosion-proof groove, thus reducing the leak-proof performance of the battery; moreover, the strength of the central column of the existing battery sealing ring is insufficient, and there is a possibility of cracking during the assembly and cooperation process between the central column and the copper nail and during the long-term storage process. Summary of the Invention

[0004] The utility model provides a battery sealing ring, which is convenient to enhance the anti-tensile performance of the installation ring and prevent tensile damage to the explosion-proof groove when the copper nail is inserted; enhance the strength of the central column and avoid cracking during the assembly and cooperation process between the central column and the copper nail.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A battery sealing ring includes a sealing ring, an installation ring is coaxially arranged in the middle of the sealing ring, a plurality of anti-tensile cavities are circumferentially and evenly distributed between the installation ring and the sealing ring, and a strengthening member is arranged between the bottom of the installation ring and the sealing ring.

[0007] Further, the width of the anti-tensile cavity gradually expands radially outward along the installation ring.

[0008] Further, both side surfaces of the anti-tensile cavity are arc-shaped.

[0009] Further, both side surfaces of the anti-tensile cavity are symmetrically arranged along the center of the installation ring.

[0010] Further, a stabilizing ring is coaxially arranged in the middle of the anti-tensile cavity, and the stabilizing ring divides the anti-tensile cavity into two parts, an inner part and an outer part, along the radial direction.

[0011] Further, the strengthening member includes strengthening ribs and a strengthening ring. The strengthening ribs are arranged between the inner end of the sealing ring and the installation ring, the strengthening ribs are circumferentially and evenly distributed along the installation ring, and the strengthening ring is arranged inside the strengthening ribs.

[0012] Further, the inner side of the strengthening ring is coaxially aligned with the inner side of the installation ring.

[0013] Further, a pulling column is arranged between the inner end of the strengthening ring and the bottom end face of the installation ring, and the pulling column is arranged along the circumference of the installation ring.

[0014] Advantages of the utility model:

[0015] It is convenient to enhance the tensile resistance of the mounting ring and prevent the explosion-proof groove from being damaged by stretching when the copper nail is inserted; enhance the strength of the central column and avoid cracking during the assembly and cooperation of the central column and the copper nail. Description of the drawings

[0016] Figure 1 It is a schematic structural diagram of this battery sealing ring;

[0017] Figure 2 It is a structural sectional view of this battery sealing ring;

[0018] Description of the reference numerals:

[0019] 1. Sealing ring; 2. Mounting ring; 3. Tensile resistance cavity; 4. Reinforcing member; 41. Reinforcing rib; 42. Reinforcing ring; 5. Stabilizing ring; 6. Pulling column. Specific implementation manners

[0020] For the convenience of understanding by those skilled in the art, the present utility model will be further described below in conjunction with the embodiments and the drawings. The content mentioned in the implementation manners does not limit the present utility model.

[0021] As Figure 1 、 2 shown, a battery sealing ring includes a sealing ring 1. A mounting ring 2 is coaxially arranged in the middle of the sealing ring 1. A plurality of tensile resistance cavities 3 are circumferentially and evenly distributed between the mounting ring 2 and the sealing ring 1. A reinforcing member 4 is arranged between the bottom of the mounting ring 2 and the sealing ring 1.

[0022] In this embodiment, the width of the tensile resistance cavity 3 gradually expands radially outward along the mounting ring 2.

[0023] By providing the tensile resistance cavity 3, it is convenient to enhance the tensile resistance of the mounting ring 2 and prevent the explosion-proof groove from being damaged by stretching when the copper nail is inserted into the mounting ring 2.

[0024] In this embodiment, both side surfaces of the tensile resistance cavity 3 are arc-shaped.

[0025] In this embodiment, both side surfaces of the tensile resistance cavity 3 are symmetrically arranged about the center of the mounting ring 2. It is convenient to enhance the anti-bending performance of the tensile resistance cavity 3.

[0026] In this embodiment, a stabilizing ring 5 is coaxially arranged in the middle of the tensile resistance cavity 3. The stabilizing ring 5 divides the tensile resistance cavity 3 into two parts, an inner part and an outer part, along the radial direction.

[0027] Enhance the stability of the tensile resistance cavity 3, improve the tensile resistance, and enhance the structural stability.

[0028] In this embodiment, the reinforcing member 4 includes reinforcing ribs 41 and a reinforcing ring 42. The reinforcing ribs 41 are arranged between the inner end of the sealing ring 1 and the mounting ring 2, and the reinforcing ribs 41 are evenly distributed along the circumferential direction of the mounting ring 2. The reinforcing ring 42 is arranged inside the reinforcing ribs 41.

[0029] It strengthens the stability between the sealing ring 1 and the mounting ring 2 and improves the tensile resistance.

[0030] In this embodiment, the inner side of the reinforcing ring 42 is coaxially aligned with the inner side of the mounting ring 2. This facilitates the smooth passing of the copper nails through the middle parts of the mounting ring 2 and the reinforcing ring 42, which is beneficial for the installation of the copper nails.

[0031] In this embodiment, a pulling column 6 is arranged between the inner end of the reinforcing ring 42 and the bottom end face of the mounting ring 2, and the pulling column 6 is arranged along the circumferential direction of the mounting ring 2.

[0032] By providing the pulling column 6, it is convenient to position the reinforcing ring 42, ensure the coaxiality between the reinforcing ring 42 and the mounting ring 2, and improve the installation accuracy; moreover, it enhances the strength of the central column and avoids cracking during the assembly and cooperation process of the central column and the copper nails.

[0033] All the technical features in this embodiment can be freely combined according to actual needs.

[0034] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

[0036] The above embodiments are the preferred implementation solutions of the present invention. In addition, there are other implementation methods. Any obvious replacement without departing from the concept of the technical solution is within the protection scope of the present invention.

Claims

1. A battery sealing ring, comprising a sealing ring, wherein a mounting ring is coaxially arranged in the middle of the sealing ring, and is characterized in that, A number of anti-tensile cavities are evenly distributed circumferentially between the mounting ring and the sealing ring, and a strengthening member is provided between the bottoms of the mounting ring and the sealing ring; The width of the anti-tensile cavity gradually expands radially outward along the mounting ring; Both side surfaces of the anti-tensile cavity are arc-shaped.

2. The battery sealing ring according to claim 1, wherein, Both side surfaces of the anti-tensile cavity are symmetrically arranged about the center of the mounting ring.

3. The battery sealing ring according to claim 2, wherein, A stabilizing ring is coaxially provided in the middle of the anti-tensile cavity, and the stabilizing ring divides the anti-tensile cavity into an inner part and an outer part along the radial direction.

4. The battery sealing ring according to claim 1, characterized in that, The strengthening member includes strengthening ribs and a strengthening ring. The strengthening ribs are provided between the inner end of the sealing ring and the mounting ring, and the strengthening ribs are evenly distributed along the circumferential direction of the mounting ring. The strengthening ring is provided inside the strengthening ribs.

5. The battery sealing ring according to claim 4, wherein, The inner side of the strengthening ring is coaxially aligned with the inner side of the mounting ring.

6. The battery sealing ring according to claim 5, wherein, A pulling column is provided between the inner end of the strengthening ring and the bottom end face of the mounting ring, and the pulling column is arranged along the circumferential direction of the mounting ring.