High-voltage charging pile cable sealing ring

The high-pressure charging cable seal with an elastic clamping sleeve and interlocking teeth addresses the instability and sealing issues of existing seals, ensuring stable and effective sealing against moisture and dust ingress.

CN223105245UActive Publication Date: 2025-07-15ZHEJIANG JINGDONG RUBBER & PLASTIC TECH CO LTD
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Patent Information

Application Number
CN202422501965.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-07-15
Estimated Expiration
2034-10-16

AI Technical Summary

Technical Problem

The existing high-voltage charging pile cable sealing ring cannot effectively clamp the cable when used frequently, resulting in gaps at the sealing area, affecting the sealing properties, and the risk of water leakage or moisture, affecting the safety and reliability of the equipment.

Method used

A structure including a sealing ring body and an elastic clamping sleeve is designed. The sealing ring body is equipped with a through hole and clamping teeth are provided in the clamping sleeve. It is made of rubber. Through the cooperation of the clamping teeth and the sealing ring, the clamping force on the cable is increased, prevented looseness and improved the sealing effect.

Benefits of technology

Effectively clamp the cable to prevent the sealing ring from loosening when frequently pulled or bent, improve the stability and sealing effect of the cable, prevent external pollutants such as water and dust from entering, and improve the service life of the sealing ring.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223105245U_ABST
Patent Text Reader

Abstract

The utility model relates to a high-voltage charging pile cable sealing ring. The technical problem to be solved by the utility model is to provide the cable sealing ring for the high-voltage charging pile. According to the technical scheme, the sealing ring comprises a sealing ring body and an elastic clamping sleeve, a sealing ring through hole is formed in the sealing ring body, the sealing ring through hole comprises a sealing ring upper semicircular arc hole, a sealing ring middle hole and a sealing ring lower semicircular arc hole, the sealing ring body comprises a sealing ring contraction part and a sealing ring clamping part, and the elastic clamping sleeve is arranged in the sealing ring contraction part. Sealing ring outer shrinkage convex edges are arranged on the outer wall of the sealing ring shrinkage part at intervals, a sealing ring inner limiting groove is formed in the sealing ring clamping part, and a clamping part conical surface facilitating compression is arranged at the end of the sealing ring clamping part. Compared with the prior art, the cable clamp has the advantages that the elastic clamping sleeve is additionally arranged, the clamping teeth are arranged in the elastic clamping sleeve, a cable is effectively clamped, looseness between the sealing ring and the cable during frequent pulling or bending is avoided, and the stability of the cable is improved.
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Description

Technical Field

[0001] The utility model relates to a cable sealing ring for a high - voltage charging pile. Background Art

[0002] The cable sealing ring for a high - voltage charging pile is a key sealing component in the charging pile system. Its main function is to ensure the sealing performance and protection performance when the charging cable passes through the interface. The existing charging pile cable sealing rings only have a sealing function. Due to the frequent use of the charging pile cables, they are often pulled and bent. The sealing rings fail to effectively clamp the cables, resulting in the inability to maintain the stability of the cables during frequent pulling or bending, causing gaps at the sealing points, and thus water leakage or moisture ingress, which affects the safety and reliability of the charging equipment. Therefore, improvements and optimizations are made in this regard. Content of the Utility Model

[0003] To solve the above problems, the technical problem to be solved by the utility model is to provide a cable sealing ring for a high - voltage charging pile.

[0004] The technical solution adopted by the cable sealing ring for a high - voltage charging pile of the utility model is as follows: It is characterized by including a sealing ring main body and an elastic clamping sleeve. A sealing ring through - hole is provided in the sealing ring main body. The sealing ring through - hole includes a sealing ring upper semi - circular arc hole, a sealing ring middle hole, and a sealing ring lower semi - circular arc hole. The diameters of the sealing ring upper semi - circular arc hole, the width of the sealing ring middle hole, and the diameter of the sealing ring lower semi - circular arc hole are all equal. The sealing ring main body includes a sealing ring contraction part and a sealing ring clamping part. The outer wall of the sealing ring contraction part is provided with sealing ring outer contraction convex edges at intervals, and the inner wall of the sealing ring contraction part is provided with sealing ring inner contraction grooves corresponding to the sealing ring outer contraction convex edges at intervals. The sealing ring clamping part is provided with a sealing ring inner limiting groove for installing the elastic clamping sleeve, and the end of the sealing ring clamping part is provided with a clamping part conical surface for easy compression;

[0005] A clamping sleeve through - hole communicating with the sealing ring through - hole is provided in the elastic clamping sleeve. It includes a clamping sleeve upper semi - circular arc part, a clamping sleeve lower semi - circular arc part, and a clamping sleeve connecting part connecting the clamping sleeve upper semi - circular arc part and the clamping sleeve lower semi - circular arc part. Clamping teeth for clamping when the cable passes through are arranged at intervals around the arc in the clamping sleeve upper semi - circular arc part and the clamping sleeve lower semi - circular arc part.

[0006] The width of the clamping sleeve through - hole at the clamping sleeve connecting part is the same as the width of the sealing ring middle hole, and the minimum inner diameter of the clamping teeth is less than or equal to the diameter of the sealing ring upper semi - circular arc hole.

[0007] The clamping teeth include clamping large teeth and clamping small teeth arranged alternately.

[0008] An outer extrusion groove of the sealing ring is provided on the outer wall of the sealing ring clamping part at the position of the sealing ring inner limiting groove.

[0009] The elastic clamping sleeve is made of rubber material.

[0010] The advantages of the cable sealing ring of the high-voltage charging pile of the present utility model are as follows: An elastic clamping sleeve is added, and clamping teeth are arranged inside, which can effectively clamp the cable, avoid looseness between the sealing ring and the cable during frequent pulling or bending, and improve the stability of the cable; Through the cooperation of the sealing ring contraction part and the elastic clamping sleeve, the sealing ring has a better sealing effect, preventing external pollutants such as water and dust from entering, and improving the sealing effect. Description of the Drawings

[0011] The present utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0012] Figure 1 is a structural schematic diagram of the cable sealing ring of the high-voltage charging pile of the present utility model;

[0013] Figure 2 is the front view of the main body of the sealing ring of the present utility model;

[0014] Figure 3 is a structural schematic diagram of the main body of the sealing ring of the present utility model;

[0015] Figure 4 is another structural schematic diagram of the main body of the sealing ring of the present utility model;

[0016] Figure 5 is a structural schematic diagram of the elastic clamping sleeve of the present utility model. Specific Embodiments

[0017] As Figures 1-5As shown in the figure, the high-voltage charging pile cable sealing ring involved in the present utility model includes a sealing ring main body 1 and an elastic clamping sleeve 2. A sealing ring through hole 3 is provided in the sealing ring main body 1. The sealing ring through hole 3 includes a sealing ring upper semi-circular hole 20, a sealing ring middle hole 21, and a sealing ring lower semi-circular hole 22. The diameters of the sealing ring upper semi-circular hole 20, the width of the sealing ring middle hole 21, and the diameter of the sealing ring lower semi-circular hole 22 are all equal. The sealing ring main body 1 includes a sealing ring contraction part 4 and a sealing ring clamping part 5. Sealing ring outer contraction convex edges 6 are provided at intervals on the outer wall of the sealing ring contraction part 4. Sealing ring inner contraction grooves 7 corresponding to the sealing ring outer contraction convex edges 6 are provided at intervals on the inner wall of the sealing ring contraction part 4. A sealing ring inner limiting groove 8 for installing the elastic clamping sleeve 2 is provided in the sealing ring clamping part 5. A clamping part conical surface 9 convenient for compression is provided at the end of the sealing ring clamping part 5. A clamping sleeve through hole 10 communicating with the sealing ring through hole 3 is provided in the elastic clamping sleeve 2. It includes a clamping sleeve upper semi-circular part 11, a clamping sleeve lower semi-circular part 12, and a clamping sleeve connecting part 13 connecting the clamping sleeve upper semi-circular part 11 and the clamping sleeve lower semi-circular part 12. Clamping teeth 15 for clamping when the cable passes through are provided at intervals around the arc in the clamping sleeve upper semi-circular part 11 and the clamping sleeve lower semi-circular part 12. The elastic clamping sleeve 2 is added, and the clamping teeth 15 are arranged inside, which can effectively clamp the cable, avoid loosening between the sealing ring and the cable during frequent pulling or bending, and improve the stability of the cable. Through the cooperation of the sealing ring inner contraction groove 7, the sealing ring outer contraction convex edge 6, and the elastic clamping sleeve 2, the sealing ring has a better sealing effect, prevents external pollutants such as water and dust from entering, and improves the sealing effect.

[0018] The width of the clamping sleeve through hole 10 at the clamping sleeve connecting part 13 is the same as the width of the sealing ring middle hole 21, and the minimum inner diameter of the clamping teeth 15 is less than or equal to the diameter of the sealing ring upper semi-circular hole 20, so as to achieve the best sealing effect.

[0019] The clamping teeth 15 include alternately arranged clamping large teeth 24 and clamping small teeth 25. The clamping large teeth 24 and the clamping small teeth 25 enter the insulating skin of the cable. Without damaging the conductor, the grip force on the conductor can be increased, further enhancing the clamping force on the cable, reducing the sliding or displacement of the cable during high-frequency use, and having a stronger clamping effect.

[0020] A sealing ring outer extrusion groove 17 is provided on the outer wall of the sealing ring clamping part 5 at the sealing ring inner limiting groove 8, further improving the compression ability of the sealing ring clamping part 5 and ensuring that the elastic clamping sleeve 2 can stably clamp.

[0021] The elastic clamping sleeve 2 is made of rubber material, with excellent wear resistance, aging resistance, and weather resistance, ensuring long-term use in complex outdoor or high-voltage environments and improving the service life of the elastic clamping sleeve 2.

[0022] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model are all included within the protection scope of the present utility model.

Claims

1. A cable sealing ring for a high-voltage charging pile, characterized in that: It includes a sealing ring body (1) and an elastic clamping sleeve (2). A sealing ring through-hole (3) is provided in the sealing ring body (1). The sealing ring through-hole (3) includes a sealing ring upper semi-circular hole (20), a sealing ring middle hole (21), and a sealing ring lower semi-circular hole (22). The diameters of the sealing ring upper semi-circular hole (20), the width of the sealing ring middle hole (21), and the diameter of the sealing ring lower semi-circular hole (22) are all equal. The sealing ring body (1) includes a sealing ring contraction part (4) and a sealing ring clamping part (5). Sealing ring outer contraction convex edges (6) are provided at intervals on the outer wall of the sealing ring contraction part (4). Sealing ring inner contraction grooves (7) corresponding to the sealing ring outer contraction convex edges (6) are provided at intervals on the inner wall of the sealing ring contraction part (4). A sealing ring inner limiting groove (8) for installing the elastic clamping sleeve (2) is provided in the sealing ring clamping part (5). A clamping part conical surface (9) facilitating compression is provided at the end of the sealing ring clamping part (5). A clamping sleeve through-hole (10) communicating with the sealing ring through-hole (3) is provided in the elastic clamping sleeve (2). It includes a clamping sleeve upper semi-circular part (11), a clamping sleeve lower semi-circular part (12), and a clamping sleeve connecting part (13) connecting the clamping sleeve upper semi-circular part (11) and the clamping sleeve lower semi-circular part (12). Clamping teeth (15) for clamping when a cable passes through are provided at intervals around the arc in the clamping sleeve upper semi-circular part (11) and the clamping sleeve lower semi-circular part (12).

2. The high-voltage charging pile cable sealing ring according to claim 1, wherein: The width of the clamping sleeve through-hole (10) at the clamping sleeve connecting part (13) is the same as the width of the sealing ring middle hole (21). The minimum inner diameter of the clamping teeth (15) is less than or equal to the diameter of the sealing ring upper semi-circular hole (20).

3. The high-voltage charging pile cable sealing ring according to claim 2, characterized in that: The clamping teeth (15) include clamping large teeth (24) and clamping small teeth (25) arranged alternately.

4. The high-voltage charging pile cable sealing ring according to claim 1, wherein: A sealing ring outer extrusion groove (17) is provided on the outer wall of the sealing ring clamping part (5) at the sealing ring inner limiting groove (8).

5. The high-voltage charging pile cable sealing ring according to claim 1, characterized in that: The elastic clamping sleeve (2) is made of rubber material.