A waterproof cable connector

By introducing a sealing ring, compression block, and ball contact block into the cable connector, combined with threaded connection and positioning hole fixation, the problem of water infiltration in humid environments is solved, achieving high sealing performance and stability of the cable connector.

CN224438062UActive Publication Date: 2026-06-30GEKANG ELECTRONIC TECH (SHENZHEN) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GEKANG ELECTRONIC TECH (SHENZHEN) CO LTD
Filing Date
2025-07-09
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Common cable connectors are susceptible to water penetration in humid environments, leading to damage, and existing waterproof performance is insufficient.

Method used

The design incorporates a sealing ring, an extrusion block, and a spherical contact block. The interaction force between the extrusion block and the spherical contact block ensures a tight fit of the sealing ring. Combined with threaded connections and positioning holes for fixation, this enhances the sealing performance.

Benefits of technology

It effectively prevents moisture infiltration, improves the sealing performance and structural stability of the cable connector, and ensures the reliability of the connector in humid environments.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224438062U_ABST
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Abstract

This utility model relates to the field of cable connector technology and discloses a waterproof cable connector, including two connector bodies that are plugged together. A sealing ring in the shape of an I-beam is disposed between the two connector bodies to seal the connection between them. This waterproof cable connector utilizes a combination of a compression block and a spherical contact block. When the rotating frame rotates, the compression block and the spherical contact block come into contact with each other and generate an interaction force. This force causes the two connector bodies to move closer to the sealing ring, thus forming a tight compression around the sealing ring and ensuring a tight fit between the sealing ring and the two connector bodies. This effectively improves the sealing performance between the two connector bodies. During this process, because the compression block and the spherical contact block move away from each other, multiple compression blocks can simultaneously apply pressure to the sealing ring, ensuring tight contact between the sealing ring and the annular connecting block.
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Description

Technical Field

[0001] This utility model relates to the field of cable connector technology, specifically a waterproof cable connector. Background Technology

[0002] Cable connectors are indispensable components in electrical and electronic systems. They act as a "bridge," allowing current or signals to flow smoothly between cables, ensuring the proper functioning of the entire circuit system. Their core function is to establish reliable electrical connections while guaranteeing the stability and safety of those connections.

[0003] Cable connectors sometimes need to be used in humid working environments. Humid working environments have a lot of moisture. Common cable connectors are equipped with a waterproof layer during use. However, if they are exposed to heavy rain or soaked in water, water may still seep into the connector and cause damage to the cable. Utility Model Content

[0004] In view of the shortcomings of the prior art, this utility model provides a waterproof cable connector, which has the advantages of improved sealing and waterproof performance, and solves the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a waterproof cable connector, comprising two connector bodies inserted together, with an I-shaped sealing ring between the two connector bodies for sealing between them, the sealing ring being in tight contact with the two connector bodies, a rotating frame rotatably connected to the outer surface of the right connector body via a sealing bearing, a plurality of circumferentially distributed compression blocks fixedly connected to the inner wall of the rotating frame, a fixing ring fixedly connected to the outer surface of the left connector body, a plurality of circumferentially distributed spherical contact blocks fixedly connected to the left side of the fixing ring along the axial direction of the left connector body, each compression block contacting its adjacent spherical contact block.

[0006] Furthermore, the outer surface of the fixing ring has multiple circumferentially distributed notches.

[0007] The above solution allows the notch to pass through when the two connector bodies are separated, facilitating the separation of the rotating frame from the retaining ring.

[0008] Furthermore, a threaded groove is provided on the inner wall of the left side of the rotating frame, and an annular connecting block is fixedly connected to the outer surface of the connector body on the left side. The annular connecting block is threadedly connected to the threaded groove on the left side of the rotating frame.

[0009] The above solution, through the threaded connection, not only achieves a stable connection between the rotating frame and the left connector body, but also has a certain degree of self-locking, which can prevent the connection from loosening due to external forces during use, thus ensuring the stability and reliability of the entire cable connector structure.

[0010] Furthermore, each of the extrusion blocks is chamfered.

[0011] The chamfered design allows the extrusion block to slide and interact more smoothly with the spherical contact block, reducing frictional resistance between them and lowering the operating force required to rotate the frame, making operation easier and less strenuous.

[0012] Furthermore, a second sealing ring is provided between the annular connecting block and the multiple extrusion blocks.

[0013] Through the above solution, the setting of sealing ring two further enhances the sealing performance between the annular connecting block and the extrusion block, effectively preventing moisture from seeping into the space between the two connector bodies.

[0014] Furthermore, the right side of the rotating frame has multiple circumferentially distributed positioning holes, and the connector body on the right side is fixed to the rotating frame by multiple bolts passing through the positioning holes.

[0015] The above solution, with multiple circumferentially distributed positioning holes and bolt fixing, enables a uniform and stable connection between the rotating frame and the right connector body, effectively dispersing the stress generated during the connection process and preventing component deformation or damage due to excessive local stress.

[0016] Compared with the prior art, the technical solution of this utility model has the following beneficial effects:

[0017] This waterproof cable connector, through the cooperation of a compression block and a ball-shaped contact block, causes the compression block and the ball-shaped contact block to come into contact with each other and generate an interaction force when the rotating frame rotates. This force causes the two connector bodies to move closer to the sealing ring, thereby forming a tight compression on the sealing ring and ensuring a tight fit between the sealing ring and the two connector bodies. This effectively improves the sealing performance between the two connector bodies. During this process, as the compression block and the ball-shaped contact block move away from each other, multiple compression blocks can simultaneously apply pressure to the sealing ring, causing the sealing ring to come into tight contact with the annular connecting block. This further strengthens the sealing effect between the two connector bodies and effectively prevents moisture from entering the area between the two connector bodies. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this application;

[0019] Figure 2 This is a schematic diagram of the fixed ring structure of this application;

[0020] Figure 3 This is a sectional view of the rotating frame structure of this application;

[0021] Figure 4 This is a cross-sectional view of the overall structure of this application.

[0022] In the picture:

[0023] 1. Connector body; 2. Sealing ring one; 3. Rotating frame; 4. Extrusion block; 5. Retaining ring; 6. Spherical contact block; 7. Notch; 8. Threaded groove; 9. Annular connecting block; 10. Sealing ring two; 11. Positioning hole. Detailed Implementation

[0024] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0025] Please see Figures 1-4 This embodiment of a waterproof cable connector includes two connector bodies 1 that are plugged together. A sealing ring 2 in the shape of an I-beam is provided between the two connector bodies 1 for sealing between them. The sealing ring 2 is in close contact with the two connector bodies 1. A rotating frame 3 is rotatably connected to the outer surface of the right connector body 1 through a sealing bearing. A plurality of circumferentially distributed extrusion blocks 4 are fixedly connected to the inner wall of the rotating frame 3. There is a gap between each extrusion block 4. A fixing ring 5 is fixedly connected to the outer surface of the left connector body 1. A plurality of circumferentially distributed spherical contact blocks 6 are fixedly connected to the left side of the fixing ring 5 along the axial direction of the left connector body 1. Each extrusion block 4 is in contact with the spherical contact block 6 that is close to it.

[0026] By setting the squeezing block 4 and the spherical contact block 6 to cooperate, when the rotating frame 3 rotates, the squeezing block 4 and the spherical contact block 6 come into contact with each other and generate an interaction force. The force causes the two connector bodies 1 to move closer to the sealing ring 2, thereby forming a tight squeeze on the sealing ring 2, ensuring that the sealing ring 2 and the two connector bodies 1 are tightly fitted, effectively improving the sealing performance between the two connector bodies 1. During this process, since the squeezing block 4 and the spherical contact block 6 will move away from each other, multiple squeezing blocks 4 can simultaneously apply pressure to the sealing ring 10, making the sealing ring 10 and the annular connecting block 9 in tight contact, thereby further strengthening the sealing effect between the two connector bodies 1 and effectively preventing moisture from entering the area between the two connector bodies 1.

[0027] The outer surface of the fixing ring 5 has multiple circumferentially distributed notches 7, each notch 7 being larger than the volume of the compression block 4. The notches 7 allow the compression block 4 to pass through when the two connector bodies 1 are separated, facilitating the separation of the rotating frame 3 from the fixing ring 5. The inner wall of the left side of the rotating frame 3 has a threaded groove 8, and the outer surface of the left connector body 1 is fixedly connected to an annular connecting block 9. The annular connecting block 9 is threadedly connected to the threaded groove 8 on the left side of the rotating frame 3. Through the threaded connection, not only is a stable connection between the rotating frame 3 and the left connector body 1 achieved, but this connection method also has a certain degree of self-locking, which can prevent the connection from loosening due to external forces during use, ensuring the stability and reliability of the entire cable connector structure.

[0028] Each extrusion block 4 is chamfered. The chamfer design allows the extrusion block 4 to slide and interact more smoothly when it comes into contact with the spherical contact block 6, reducing the frictional resistance between the two and reducing the operating force when the rotating frame 3 rotates, making the operation easier and less strenuous. A sealing ring 2 10 is provided between the annular connecting block 9 and the multiple extrusion blocks 4. The sealing ring 2 10 further enhances the sealing performance between the annular connecting block 9 and the extrusion blocks 4, effectively preventing moisture from seeping between the two connector bodies 1. Multiple circumferentially distributed positioning holes 11 are provided on the right side of the rotating frame 3. The right connector body 1 is fixed to the rotating frame 3 by multiple bolts passing through the positioning holes 11. The multiple circumferentially distributed positioning holes 11 and the bolt fixing method enable a uniform and stable connection between the rotating frame 3 and the right connector body 1, effectively dispersing the stress generated during the connection process and avoiding deformation or damage to the components due to excessive local stress.

[0029] The working principle of the above embodiment is as follows: First, the two connector bodies 1 are inserted together, and multiple compression blocks 4 pass through the notch 7 and are located on the left side of the fixing ring 5. At this time, the left end of the rotating frame 3 contacts the annular connecting block 9. Then, the operator rotates the rotating frame 3 so that the compression blocks 4 can contact the spherical contact block 6, so that the two generate an interaction force. Under the action of this interaction force, the two connector bodies 1 will compress the I-shaped sealing ring 1 2, so that the sealing ring 1 2 can make tight contact with the two connector bodies 1. While rotating the rotating frame 3, the compression blocks 4 can compress the sealing ring 2 10, further improving the sealing between the two connector bodies 1, thereby further strengthening the sealing effect between the two connector bodies 1, effectively preventing water vapor from entering the area between the two connector bodies 1, and the left end of the rotating frame 3 can be threaded together with the annular connecting block 9 to achieve self-locking between the two connector bodies 1. Then, the rotating frame 3 is fixed together with the connector body 1 on the right side by bolts to prevent the rotating frame 3 from rotating in the opposite direction.

[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0031] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A waterproof cable connector comprising two connector bodies (1) that are plugged together, characterized in that: A sealing ring (2) in the shape of an I-beam is provided between the two connector bodies (1) for sealing between the two connector bodies (1). The sealing ring (2) is in close contact with the two connector bodies (1). A rotating frame (3) is rotatably connected to the outer surface of the right connector body (1) through a sealing bearing. A plurality of circumferentially distributed extrusion blocks (4) are fixedly connected to the inner wall of the rotating frame (3). A fixing ring (5) is fixedly connected to the outer surface of the left connector body (1). A plurality of circumferentially distributed spherical contact blocks (6) are fixedly connected to the left side of the fixing ring (5) along the axial direction of the left connector body (1). Each extrusion block (4) is in contact with the spherical contact block (6) that is close to it.

2. A waterproof cable connector according to claim 1, characterized in that: The outer surface of the fixing ring (5) has multiple circumferentially distributed notches (7).

3. A waterproof cable connector according to claim 1, characterized in that: The rotating frame (3) has a threaded groove (8) on its left inner wall, and an annular connecting block (9) is fixedly connected to the outer surface of the connector body (1) on the left side. The annular connecting block (9) is threadedly connected to the threaded groove (8) on the left side of the rotating frame (3).

4. A waterproof cable connector according to claim 1, characterized in that: Each of the extrusion blocks (4) is chamfered.

5. A waterproof cable connector according to claim 3, characterized in that: A sealing ring 2 (10) is provided between the annular connecting block (9) and the multiple extrusion blocks (4).

6. A waterproof cable connector according to claim 1, characterized in that: The rotating frame (3) has multiple circumferentially distributed positioning holes (11) on its right side. The connector body (1) on the right side is fixed to the rotating frame (3) by multiple bolts passing through the positioning holes (11).