Quick plugging connector with rotary locking function

By introducing a rotation locking function and a threaded connection structure into the plug-in connector, the problem of easy plug loosening is solved, achieving stable connection and sealing, and ensuring the normal operation and safety of the equipment.

CN224191324UActive Publication Date: 2026-05-01AIPIN (FUZHOU) EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
AIPIN (FUZHOU) EQUIP CO LTD
Filing Date
2025-05-30
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

The existing plug-in connectors lack locking components, which makes them prone to loosening and falling off under slight external force or vibration, causing poor electrical contact, signal interruption, affecting equipment operation and potentially endangering safety.

Method used

Design a quick-connect connector with a rotary locking function. Through the threaded connection between the plug and socket and the rotary locking structure, a stable connection between the socket and the plug is achieved, and the sealing performance is improved by the sealing ring.

Benefits of technology

It achieves a stable connection between the socket and the plug, preventing loosening and detachment, ensuring the stability and sealing of electrical contact, and guaranteeing the normal operation and safety of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of plugging connectors, and particularly relates to a quick plugging connector with a rotary locking function, which comprises a socket and a plug, the plug is plugged at the end part of the socket, the outer surface of the socket is connected with a convex thread, the inner wall of the plug is plugged with a fixed thread bushing matched with the convex thread in size, and the fixed thread bushing is connected with the plug. The inner wall of the plug is connected with a spring strip, the inner diameter of the spring strip is larger than the diameter of the outer surface of the plugging position of the socket, and the end of the spring strip is connected with a butt joint ring. According to the utility model, after the plug is inserted into the surface of the socket, the fixed threaded sleeve is driven to rotate through the shifting ring, and the fixed threaded sleeve can transversely move through a threaded connection relation when rotating on the surface of the convex thread, so that the socket and the plug can be locked through threaded connection between the fixed threaded sleeve and the convex thread; therefore, the rotary locking between the plug and the socket can be realized.
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Description

A quick-plug connector with rotation locking function Technical Field

[0001] This utility model belongs to the field of plug-in connector technology, specifically relating to a quick-plug connector with a rotation locking function. Background Technology

[0002] A pluggable connector is a connection device used in electrical and electronic equipment to enable convenient and quick electrical connection and disconnection. A pluggable connector typically consists of two parts: a plug and a socket. The plug is usually a housing with pins or contacts for connecting to a socket in other equipment or systems. The plug may also include crimp terminals, connecting devices, etc., for securing wires and achieving electrical connection. The socket is the terminal part connected to the electrical equipment, containing corresponding holes to receive the plug's pins or contacts. The socket may also be designed with mounting ears, mounting clips, and locking clips to enhance the stability and security of the connection.

[0003] When a plug is inserted into a socket, an electrical connection is established between the two. To achieve good electrical contact, connector contacts are typically made of highly conductive materials and designed with appropriate contact force.

[0004] Existing pluggable connector designs excel in ease of use, enabling rapid connection and disconnection of electrical equipment and significantly improving work efficiency. However, these connectors reveal a significant drawback in practical applications: the lack of necessary locking components. This deficiency makes the connectors highly susceptible to loosening or even detachment under slight external force or vibration, potentially leading to serious problems such as poor electrical contact and signal interruption. This not only affects the normal operation of equipment but may also damage the equipment and even endanger the safety of operators. Summary of the Invention

[0005] The purpose of this utility model is to provide a quick-plug connector with a rotation locking function, which aims to solve the problem that the lack of a locking component in the prior art makes the connector easy to loosen or even fall off when subjected to slight external force or vibration, which may lead to serious problems such as poor electrical contact and signal interruption. This not only affects the normal operation of the equipment, but may also damage the equipment and even endanger the safety of the operators.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a quick-plug connector with a rotation locking function, comprising a socket and a plug, wherein the plug is inserted into the end of the socket, the outer surface of the socket is connected with a protruding thread, and the inner wall of the plug is fitted with a fixed threaded sleeve that matches the size of the protruding thread, wherein the protruding thread and the fixed threaded sleeve are threadedly connected.

[0007] As a preferred embodiment of the quick-plug connector with rotation locking function of this utility model, the inner wall of the plug is connected to a spring strip, the inner diameter of the spring strip is larger than the outer surface diameter of the socket insertion position, and the end of the spring strip is connected to a mating ring.

[0008] As a preferred embodiment of the quick-plug connector with rotation locking function of this utility model, the side surface of the fixed threaded sleeve is provided with a rotation groove, and the inner wall of the rotation groove is provided with a rotation block connected to the side surface of the mating ring.

[0009] As a preferred embodiment of the quick-plug connector with rotation locking function of this utility model, a toggle ring is connected to the side surface of the end of the fixed threaded sleeve so that the toggle ring drives the fixed threaded sleeve to rotate.

[0010] As a preferred embodiment of the quick-plug connector with rotation locking function of this utility model, a first sealing ring is fitted onto the side surface of the fixed threaded sleeve, and the outer wall of the first sealing ring is tightly attached to the inner wall of the plug.

[0011] As a preferred embodiment of the quick-plug connector with rotation locking function of this utility model, a second sealing ring is connected to the side of the toggle ring near the socket, and an outer edge plate is connected to the outer surface of the socket insertion position.

[0012] In a preferred embodiment of this utility model, a quick-connect connector with a rotation locking function is provided, wherein the diameter of the outer edge plate is larger than the diameter of the outer ring of the second sealing ring.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] In this invention, after the plug is inserted into the surface of the socket, the fixed threaded sleeve is rotated by the actuating ring. When the fixed threaded sleeve rotates on the surface of the convex thread, it can move laterally through the threaded connection. In this way, the socket and the plug can be locked through the threaded connection between the fixed threaded sleeve and the convex thread, thereby realizing the rotational locking between the plug and the socket.

[0015] In this invention, the fixed threaded sleeve is sealed to the plug by the first sealing ring. When the actuating ring drives the second sealing ring to move laterally to the surface of the outer edge plate, the second sealing ring seals between the actuating ring and the outer edge plate. This seals the socket and the plug, thereby improving the sealing performance between the plug and the socket. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 is a schematic diagram of the socket and plug structure of this utility model;

[0018] Figure 2 is a cross-sectional view of the connection structure between the socket and the plug of this utility model;

[0019] Figure 3 is a cross-sectional view of the plug structure of this utility model;

[0020] Figure 4 is a schematic diagram of the plug structure of this utility model;

[0021] Figure 5 is a schematic diagram of the connection structure between the docking ring and the fixed threaded sleeve of this utility model;

[0022] Figure 6 is a schematic diagram of the structure at point A in Figure 2 of this utility model.

[0023] In the diagram: 1. Socket; 2. Plug; 3. Threaded protrusion; 4. Spring bar; 5. Connecting ring; 6. Rotating block; 7. Fixed threaded sleeve; 8. Rotating groove; 9. Actuating ring; 10. First sealing ring; 11. Second sealing ring; 12. Outer edge plate. Detailed Implementation

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

[0025] Please refer to Figures 1-6. The present invention provides the following technical solution: a quick plug-in connector with a rotation locking function, including a socket 1 and a plug 2. The plug 2 is inserted into the end of the socket 1. The outer surface of the socket 1 is connected with a protruding thread 3. The inner wall of the plug 2 is inserted with a fixed threaded sleeve 7 that matches the size of the protruding thread 3. The protruding thread 3 and the fixed threaded sleeve 7 are threadedly connected.

[0026] An electrical connection is established between the plug 2 and the socket 1 by inserting the plug 2 into the socket 1.

[0027] Preferably, the inner wall of the plug 2 is connected to a spring strip 4, the inner diameter of the spring strip 4 is larger than the outer surface diameter of the socket 1 at the insertion position, and the end of the spring strip 4 is connected to a mating ring 5.

[0028] Preferably, the side surface of the fixed threaded sleeve 7 is provided with a rotating groove 8, and the inner wall of the rotating groove 8 is provided with a rotating block 6 connected to the side surface of the mating ring 5.

[0029] In practical use, when the fixed threaded sleeve 7 rotates, it can drive the rotating groove 8 to rotate on the surface of the rotating block 6. This can prevent the fixed threaded sleeve 7 from pulling the spring strip 4 and causing torsional deformation when it rotates.

[0030] Preferably, a turning ring 9 is connected to the side surface of the end of the fixed threaded sleeve 7 so that the turning ring 9 drives the fixed threaded sleeve 7 to rotate.

[0031] In practical use, the fixed threaded sleeve 7 can be rotated by the actuating ring 9. The rotation of the fixed threaded sleeve 7 can be threadedly connected with the protruding thread 3, thereby achieving locking between the socket 1 and the plug 2.

[0032] Preferably, a first sealing ring 10 is fitted onto the side surface of the fixed threaded sleeve 7, and the outer wall of the first sealing ring 10 is tightly attached to the inner wall of the plug 2.

[0033] In practical use, a seal can be achieved by setting a first sealing ring 10 between the fixed threaded sleeve 7 and the plug 2.

[0034] Preferably, a second sealing ring 11 is connected to the side of the toggle ring 9 near the socket 1, and an outer edge plate 12 is connected to the outer surface of the socket 1 at the insertion position.

[0035] Preferably, the diameter of the outer edge plate 12 is larger than the diameter of the outer ring of the second sealing ring 11.

[0036] In practical use, when the fixed threaded sleeve 7 drives the second sealing ring 11 to move to one side of the outer edge plate 12, the second sealing ring 11 can seal between the outer edge plate 12 and the fixed threaded sleeve 7.

[0037] Working principle: After the plug 2 is inserted into the surface of the socket 1, the pressing ring 9 drives the fixed threaded sleeve 7 to move closer to the socket 1. At this time, the fixed threaded sleeve 7 deforms by pulling the spring strip 4 through the mating ring 5. Then, the fixed threaded sleeve 7 can be rotated by the pressing ring 9. When the fixed threaded sleeve 7 rotates on the surface of the convex thread 3, it can move laterally through the threaded connection. In this way, the socket 1 and the plug 2 can be locked through the threaded connection between the fixed threaded sleeve 7 and the convex thread 3.

[0038] At the same time, the fixed threaded sleeve 7 is sealed with the plug 2 through the first sealing ring 10. When the actuating ring 9 drives the second sealing ring 11 to move laterally to the surface of the outer edge plate 12, the second sealing ring 11 seals between the actuating ring 9 and the outer edge plate 12, thus sealing between the socket 1 and the plug 2.

[0039] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A quick-connect connector with a rotation locking function, comprising a socket (1) and a plug (2), characterized in that: The socket (1) is connected to a plug (2) at one end. The outer surface of the socket (1) is connected to a protruding thread (3). The inner wall of the plug (2) is connected to a fixed threaded sleeve (7) that matches the size of the protruding thread (3). The protruding thread (3) and the fixed threaded sleeve (7) are threadedly connected.

2. The quick plug connection with a rotation locking function according to claim 1, characterized in that: The inner wall of the plug (2) is connected to a spring strip (4), the inner diameter of which is larger than the outer surface diameter of the socket (1) insertion position, and the end of the spring strip (4) is connected to a mating ring (5).

3. The quick plug connection with a rotation locking function according to claim 2, characterized in that: The fixed threaded sleeve (7) has a rotating groove (8) on its side surface, and the inner wall of the rotating groove (8) is provided with a rotating block (6) connected to the side surface of the mating ring (5).

4. A quick-connect connector with rotation locking function according to claim 3, characterized in that: A push ring (9) is connected to the side surface of the end of the fixed threaded sleeve (7) so that the push ring (9) drives the fixed threaded sleeve (7) to rotate.

5. The quick plug connection with a rotation locking function according to claim 4, characterized in that: The side surface of the fixed threaded sleeve (7) is fitted with a first sealing ring (10), and the outer wall of the first sealing ring (10) is in close contact with the inner wall of the plug (2).

6. The quick plug connection with a rotation locking function according to claim 5, characterized in that: The actuating ring (9) is connected to a second sealing ring (11) on the side near the socket (1), and the outer surface of the socket (1) at the insertion position is connected to an outer edge plate (12).

7. The quick plug connection with a rotation locking function according to claim 6, characterized in that: The diameter of the outer edge plate (12) is larger than the outer diameter of the second sealing ring (11).