A plug for an electrical connector

By designing a safety component, locking elements and limiting structures are used to improve the connection stability between the plug and socket, solving the problem of the spring claw locking mechanism easily falling off in a vibration environment, and enhancing waterproof capability.

CN224947039UActive Publication Date: 2026-11-06HUIZHOU HUZHENG ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202522366146.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-07
Publication Date
2026-11-06
Estimated Expiration
2035-11-07

AI Technical Summary

Technical Problem

The existing spring-loaded locking mechanism is prone to failure in vibration environments, causing the plug to fall off unexpectedly, and it lacks a safety structure to prevent accidental dislodgement.

Method used

The system employs a safety assembly, including a housing, a first hook, a second hook, a locking element, and an end cap. The locking element's contact portion causes the first hook to hook onto the socket. The combination of a limiting groove and a limiting protrusion ensures a stable connection, and the end cap secures the power cord to enhance waterproofing.

Benefits of technology

It improves the stability of the plug-socket connection, preventing detachment due to vibration or misoperation, and enhances the waterproof performance of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a plug for an electrical connector, including a housing with a first hook for hooking onto a socket. A safety assembly is also provided on one side of the housing, comprising an end cap connected to a hook on the housing via a second hook. The safety assembly further includes a locking member with a locking tongue at its center. One end of the locking tongue contacts the bottom surface of one end of the first hook via a contact portion, causing the other end of the second hook to bend downwards. When the first hook is hooked onto the socket, the second hook hooks onto the housing, pushing the locking member into the inside of the first hook. The contact portion then ensures that the side of the first hook facing the socket remains hooked onto the socket, improving the stability of the plug-socket connection and preventing or reducing accidental detachment due to vibration.
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Description

Technical Field

[0001] This utility model relates to the field of electrical connector technology, specifically to a plug for an electrical connector. Background Technology

[0002] Currently, high-voltage line applications mostly employ spring-loaded locking mechanisms. The following describes this mechanism in detail: A spring-loaded claw is typically installed on the plug, and a corresponding hook-and-loop structure is installed on the socket housing. When the plug and socket are inserted, the front end of the spring-loaded claw engages with the corresponding hook-and-loop structure. Because the spring-loaded claw is elastic, this engagement generates a force pressing against the socket housing, thus locking the plug and socket. To separate the plug and socket, the front end of the spring-loaded claw must first open before the plug can be pulled. While this spring-loaded locking mechanism can achieve a certain degree of locking between the plug and socket, because it relies on an elastic element, during use, factors such as vibration in the surrounding environment (e.g., in electric vehicles) can cause the spring-loaded claw to malfunction, leading to accidental plug detachment. Furthermore, due to the lack of a corresponding safety mechanism, accidental unlocking and detachment of the plug due to operator error are also common. Utility Model Content

[0003] The purpose of this invention is to provide a plug for an electrical connector to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a plug for an electrical connector, comprising a housing, wherein the housing is provided with a first hook for hooking onto a socket; a safety assembly is also provided on one side of the housing, the safety assembly comprising an end cap, the end cap being connected to a hook provided on the housing via a second hook; the safety assembly further comprising a locking member, wherein the locking member is provided with a locking tongue in the middle, one end of the locking tongue contacting the bottom surface of one end of the first hook via a contact portion, and causing the other end of the first hook to bend downwards via the contact portion.

[0005] As a preferred technical solution of this utility model: the second hook body is further provided with a limiting groove, and the sliding of the locking member is restricted by the limiting groove.

[0006] As a preferred technical solution of this utility model: the second hook body is further provided with a sliding groove, and the locking member slides in cooperation with the sliding groove through a provided slider.

[0007] As a preferred technical solution of this utility model: the locking tongue is further provided with a first limiting part and a second limiting part, and the upper surface of the second hook is further provided with a limiting protrusion.

[0008] As a preferred technical solution of this utility model: one end of the first hook is integrally formed on the shell, and a groove is provided between the facing surfaces of the first hook and the shell.

[0009] As a preferred technical solution of this utility model: the end of the first hook body away from the socket is also provided with a pressing part.

[0010] As a preferred technical solution of this utility model: the end of the housing facing the safety component is also provided with a buckle, and the end cover is adapted to be connected with the buckle through a buckle groove.

[0011] The beneficial effects of this utility model using the above technical solution are as follows: When the first hook is hooked onto the socket, the second hook is hooked onto the housing, pushing the locking member into the inside of the first hook. Then, the contact part ensures that the side of the first hook facing the socket is always hooked onto the socket, thereby improving the stability of the plug-socket connection and avoiding or reducing accidental detachment due to vibration. Based on this, the device uses the locking member as a safety component to ensure the stability of the socket-plug connection. In addition, the locking member, acting as a safety component, also has the advantages of simple structure and easy processing. Furthermore, when the end cap is connected to the housing, the power cord can be fixed using the end cap, and the sealing ring can be installed on the housing using the end cap, further improving the device's waterproof capability. Attached Figure Description

[0012] Figure 1 This is an exploded view of the main structure of this utility model;

[0013] Figure 2 This is an exploded structural diagram of the insurance component of this utility model;

[0014] Figure 3 This is a schematic diagram of the main structure of the locking component of this utility model;

[0015] Figure 4 This is a cross-sectional schematic diagram of the main structure of this utility model;

[0016] Figure 5 for Figure 4 A magnified view of a portion of point A in the middle.

[0017] In the diagram: 1. Housing; 2. First hook; 3. Safety component; 30. End cap; 31. Locking element; 32. Buckle groove; 33. Limiting protrusion; 34. Limiting groove; 35. Sliding groove; 36. Second hook; 37. Abutting part; 38. First limiting part; 39. Second limiting part; 310. Locking tongue; 311. Sliding block; 4. Pressing part; 5. Groove; 6. Buckle; 7. Hook. Detailed Implementation

[0018] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. In the description of this utility model, it should be understood that the terms "upper," "lower," "front," "upper surface," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting this utility model.

[0019] Please see Figure 1-5 This utility model provides an embodiment of an electrical connector plug, including a housing 1, on which a first hook 2 for hooking onto a socket is provided; a safety component 3 is also provided on one side of the housing 1, the safety component 3 including an end cap 30, the end cap 30 being connected to a hook 7 provided on the housing 1 via a second hook 36; the safety component 3 also includes a locking member 31, the locking member 31 having a locking tongue 310 in the middle, one end of the locking tongue 310 contacting the bottom surface of one end of the first hook 2 via an abutment portion 37, and causing the other end of the first hook 2 to bend downwards via the abutment portion 37.

[0020] In summary, when the first hook 2 is hooked onto the socket, the second hook 36 is hooked onto the housing 1, pushing the locking member 31 into the inside of the first hook 2. Then, the contact part 37 is used to ensure that the side of the first hook 2 facing the socket is always hooked onto the socket, thereby improving the stability of the plug and socket connection and avoiding or reducing the phenomenon of accidental detachment due to vibration.

[0021] Based on this, the device uses locking element 31 as a safety component to ensure the stability of the connection between the socket and the plug. In addition, the locking element, acting as a safety component, also has the advantages of simple structure and easy processing. Furthermore, after the end cover 30 is connected to the housing 1, it can be used to fix the power cord. At the same time, using the end cover 30 to install the sealing ring on the housing 1 further enhances the device's waterproof capability.

[0022] To reduce the occurrence of the locking member 31 falling off, the second hook body 36 is also provided with a limiting groove 34, and the sliding of the locking member 31 is restricted by the limiting groove 34. Therefore, the locking member 31 can be restricted by the limiting groove 34 to prevent it from falling off; wherein, the side plate constituting the limiting groove 34 is set in an inverted L shape.

[0023] Furthermore, since the second hook body 36 is also provided with a sliding groove 35, and the locking member 31 is slidably engaged with the sliding groove 35 through the provided slider 311, the slider 311 can slide in the sliding groove 35 to guide the locking member 31 to move in a specific direction. At the same time, the number of sliding grooves 35 is equal to the number of sliders 311, which is two in each case.

[0024] To further improve the stability and reliability of the locking member 31 after locking or unlocking, and to prevent it from easily becoming loose, the latch 310 is also provided with a first limiting part 38 and a second limiting part 39, and the upper surface of the second hook 36 is also provided with a limiting protrusion 33. Therefore, when the first limiting part 38 is connected to the limiting protrusion 33, the locking member 31 is in the unlocked state, and the first limiting part 38 is stuck on the limiting protrusion 33, and the limiting groove 34 covers the locking member 31, so that the locking member 31 will not fall off the second hook 36 after unlocking. When the contact part 37 of the locking member 31 enters between the first hook 2 and the housing 1, the second limiting part 39 is engaged with the limiting protrusion 33, thus completing the locking of the locking member 31. After locking, the second limiting part 39 is engaged with the limiting protrusion 33, and the limiting groove 34 is engaged with the locking member 31, so that the locking state is maintained for a long time, thereby reducing the situation where the plug and socket automatically fall off due to vibration.

[0025] Based on the above solution, since one end of the first hook 2 is integrally formed on the housing 1, and a groove 5 is provided between the facing surfaces of the first hook 2 and the housing 1, when the end of the first hook 2 away from the socket is pressed, the groove 5 allows the end of the first hook 2 away from the point of force to rotate upward after being subjected to force, so that the first hook 2 can be separated from the socket, and the first hook 2 can be reset after the external force disappears.

[0026] Furthermore, since the end of the first hook 2 away from the socket is also provided with a pressing part 4, it is convenient for the user to apply force.

[0027] Furthermore, since the end of the housing 1 facing the safety component 3 is provided with a buckle 6, and the end cap 30 is adapted to and connected to the buckle 6 through the buckle groove 32, the connection between the safety component 3 and the housing 1 is simple and convenient. At the same time, under the combined action of the second hook 36 and the buckle groove 32, the safety component 3 can be stably and reliably connected to the housing 1, so as to further prevent the locking part 31 from automatically falling off.

[0028] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, and these variations still fall within the protection scope of this utility model.

Claims

1. A plug for an electrical connector, characterized in that: Includes a housing (1), on which a first hook (2) is provided for hooking onto a socket; The housing (1) is also provided with a safety component (3) on one side. The safety component (3) includes an end cap (30). The end cap (30) is connected to a hook (7) provided on the housing (1) via a second hook (36). The safety component (3) also includes a locking member (31), the locking member (31) has a locking tongue (310) in the middle, one end of the locking tongue (310) contacts the bottom surface of one end of the first hook (2) through a contact part (37), and the other end of the first hook (2) is bent downward through the contact part (37).

2. The plug of an electrical connector according to claim 1, characterized in that: The second hook (36) is also provided with a limiting groove (34), and the sliding of the locking member (31) is restricted by the limiting groove (34).

3. The plug of an electrical connector according to claim 2, characterized in that: The second hook (36) is also provided with a sliding groove (35), and the locking member (31) slides in cooperation with the sliding groove (35) through the provided slider (311).

4. The plug of an electrical connector according to claim 3, characterized in that: The latch (310) is also provided with a first limiting part (38) and a second limiting part (39), and the upper surface of the second hook (36) is also provided with a limiting protrusion (33).

5. The plug of an electrical connector according to any one of claims 1-4, characterized in that: One end of the first hook (2) is integrally formed on the housing (1), and a groove (5) is provided between the facing surfaces of the first hook (2) and the housing (1).

6. The plug of an electrical connector according to claim 5, characterized in that: The first hook (2) is also provided with a pressing part (4) at the end away from the socket.

7. The plug of an electrical connector according to claim 6, characterized in that: The housing (1) is provided with a buckle (6) at one end facing the safety component (3), and the end cap (30) is adapted to be connected to the buckle (6) through a buckle groove (32).