Self-locking connector

Abstract

The utility model provides a self-locking connector, which comprises a socket, the socket comprises a socket shell, the socket shell is provided with a connecting cavity with an opening at one end, and the socket shell is provided with a locking cavity at the outer side of the connecting cavity; the plug is provided with a plug shell and a cable shell connected with the plug shell, the plug shell is provided with an insertion end which can be connected with the connecting cavity in a matched mode, the plug can be inserted into the connecting cavity through the insertion end to be connected with the socket, and the plug shell is provided with a self-locking buckle which is located on the outer side of the insertion end and can be locked with the locking cavity in a matched mode; the waterproof ring is attached to and wound around the inner side of the connecting cavity, and the waterproof ring is matched with the end face of the inserting end in shape. The self-locking buckle on the plug is matched with the locking cavity of the socket for use, and the clamping bulge of the self-locking buckle can be automatically locked after being inserted, so that the connector is prevented from being separated under the condition of vibration or pulling, and the connection stability and safety are ensured. The waterproof ring is arranged in the connecting cavity, and when the plug is connected with the socket, the waterproof ring is tightly attached to the insertion end of the plug, so that the waterproof effect is achieved.

Description

Technical Field

[0001] This utility model relates to the field of connector technology, and more specifically to a self-locking connector. Background Technology

[0002] With the increasing automation of industry and the rapid development of new energy, stage equipment, and other fields, the demand for power and signal connections between devices has become increasingly complex. Traditional connectors typically require separate power and signal lines, resulting in complex wiring, large space requirements, and inconvenient maintenance. Furthermore, some connectors, when used in harsh industrial environments, are susceptible to moisture, dust, and vibration due to poor sealing, leading to performance degradation or even failure. Traditional plug-in connections are prone to loosening under vibration or tension, affecting electrical performance and safety. Integrated connectors require complete replacement when damaged, increasing maintenance costs and time. The lack of positioning structures between plugs and sockets makes misalignment easy, leading to unstable signal or power transmission. Therefore, there is a need for an integrated connector capable of simultaneously transmitting power, grounding, and signals. Its design should possess excellent sealing and mechanical strength, meet the requirements of high-current scenarios, and simplify device connection and maintenance. Utility Model Content

[0003] In view of this, the present invention provides a self-locking connector.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A self-locking connector includes a socket, the socket including a socket housing with a connecting cavity open at one end, and a locking cavity on the socket housing outside the connecting cavity; a plug, the plug including a plug housing and a cable housing connecting the plug housing, the plug housing having an insertion end that can mate with the connecting cavity, the plug being inserted into the connecting cavity through the insertion end to connect to the socket, and a self-locking buckle on the outside of the insertion end of the plug housing that can mate with the locking cavity for locking; and a waterproof ring, the waterproof ring being fitted and wrapped around the inner side of the connecting cavity, the waterproof ring matching the end face shape of the insertion end.

[0006] In the preferred technical solution, the socket housing is provided with multiple female hardware, the plug housing is provided with multiple male hardware that matches the female hardware, and the cable housing is provided with a cable that connects to the male hardware.

[0007] In the preferred technical solution, the multiple female hardware includes multiple large female hardware, multiple small female hardware, and at least one medium female hardware, and the multiple male hardware includes multiple large male hardware that matches the large female hardware, multiple small male hardware that matches the small female hardware, and at least one medium male hardware that matches the medium female hardware.

[0008] In a preferred embodiment, the socket housing is provided with a socket groove for installing female hardware, and the plug housing is provided with a plug groove for installing male hardware. The plug groove is provided with a first positioning protrusion that protrudes outward and can separate the large female hardware, small female hardware, and medium female hardware; the plug groove is provided with a second positioning protrusion that protrudes outward and can separate the large male hardware, small male hardware, and medium male hardware.

[0009] In a preferred embodiment, a gasket is provided on the outer side of the socket housing, the gasket has an opening that matches the socket slot, and the surface of the gasket has raised textures or raised dots.

[0010] In the preferred embodiment, the connecting cavity has a "D" shaped structure, and the shape of the insertion end matches the connecting cavity.

[0011] In the preferred embodiment, the self-locking buckle has a protruding latch, and the side wall of the locking cavity has a slot that matches the latch, with the slot penetrating the side wall of the locking cavity.

[0012] In a preferred embodiment, the front end of the Dagong Hardware is provided with an anti-touch cap.

[0013] As can be seen from the above technical solution, compared with the prior art, the present invention has the following beneficial technical effects:

[0014] The self-locking latch on the plug works in conjunction with the locking cavity of the socket. The latch's protrusion automatically locks after insertion, preventing the connector from separating under vibration or pulling, thus ensuring connection stability and safety. A waterproof ring is installed inside the connection cavity. When the plug and socket are connected, the waterproof ring fits tightly against the plug insertion end, achieving excellent sealing and waterproofing. The connector can withstand the humidity, vibration, and dust of industrial environments, improving its service life and reliability. Through the connection of the large male and large female hardware, it can support current transmission up to 65A. The small hardware is used for signal transmission, and the medium hardware is used for grounding, achieving integrated power, signal, and grounding functions, reducing the need for separate power and signal cable wiring. The plug and socket are designed to be separate, supporting quick insertion and removal. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the exploded structure of this utility model. Figure 1 .

[0017] Figure 2 This is a three-dimensional structural diagram of the present invention.

[0018] Figure 3 This is a schematic diagram of the exploded structure of this utility model. Figure 2 .

[0019] Figure 4 This is a schematic diagram of the exploded structure of this utility model. Figure 3 .

[0020] Reference numerals: 100, Socket; 110, Socket housing; 120, Connecting cavity; 130, Locking cavity; 200, Plug; 210, Plug housing; 220, Insertion end; 250, Cable housing; 230, Self-locking buckle; 300, Waterproof ring; 140, Female hardware; 240, Male hardware; 251, Cable; 141, Large female hardware; 142, Small female hardware; 143, Medium female hardware; 241, Large male hardware; 242, Small male hardware; 243, Medium male hardware; 111, Socket slot; 211, Plug slot; 112, First positioning protrusion; 212, Second positioning protrusion; 113, Gasket; 231, Locking protrusion; 131, Bayonet; 244, Anti-slip cap Detailed Implementation

[0021] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the invention, and therefore only show the components relevant to the invention.

[0022] In the description of this application, it should be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing this application 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 a limitation of this application. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0023] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0024] A self-locking connector, please refer to Figure 1-4 The system includes a socket 100, which includes a socket housing 110. The socket housing 110 has a connecting cavity 120 with one open end. The connecting cavity 120 extends outward and forms a wall. A locking cavity 130 is provided on the socket housing 110 outside the connecting cavity 120. The locking cavity 130 extends from the top of the connecting cavity 120 and forms a wall connecting to the outside of the connecting cavity 120. The plug 200 includes a plug housing 210 and a cable housing 250 connecting the plug housing 210. The plug housing 210 has an insertion end 220 that can be connected to the connecting cavity 120. The cable housing 250 connects to the plug housing. At the end 220 furthest from the insertion end 220, the plug housing 210, located above the top side of the insertion end 220, has an outwardly extending self-locking latch 230. The self-locking latch 230 matches the locking cavity 120. The insertion end 220 is smaller than the connecting cavity 120. The plug 200 can be inserted into the connecting cavity 120 through the insertion end 220 to connect to the socket 100. Simultaneously, the locking latch 230 is engaged in the locking cavity 130 and locked, achieving a locked connection between the socket 100 and the plug 200. This facilitates connection and ensures stability, improving the mechanical strength after connection. Connectors are typically used in industrial or high-current applications, suitable for transmitting power current and auxiliary control models. The design of the plug 200 and socket 100 allows for quick disconnection of equipment power, facilitating maintenance and equipment replacement. The connecting cavity 120 is provided with a waterproof ring 300 that fits against its inner wall. The shape of the waterproof ring 300 matches the end face shape of the insertion end 220. When the socket 100 and the plug 200 are connected, the insertion end 220 is embedded in the connecting cavity 120 and fits against the side of the waterproof ring 300 near the insertion end 220, so that the socket 100 and the plug 200 achieve a sealed connection, ensuring good sealing performance after connection, so that the connector can be waterproof and can withstand vibration, moisture and dust in the industrial environment.

[0025] Furthermore, the socket housing 100 is provided with multiple female hardware 140s, and the plug housing 210 is provided with multiple male hardware 240s that match the female hardware 140s. When the socket 100 and the plug 200 are connected, the male hardware 240s and female hardware 240s are connected simultaneously to achieve circuit connection. The cable housing 250 is provided with a cable 251 that connects to the male hardware 240s. The cable 251 serves as an extension of the circuit to facilitate the connection of different devices or cables through connectors. The multiple female hardware 140 includes two large female hardware 141, five small female hardware 142, and one medium female hardware 143. The multiple male hardware 240 includes two large male hardware 241 that match the large female hardware 141, five small male hardware 242 that match the small female hardware 142, and one medium male hardware 243 that matches the medium female hardware 143. The number of female hardware 140 and male hardware 240 is not limited to this embodiment. The large hardware connection enables the connector to receive 65A current, the small hardware is used for signal transmission, and the medium hardware is used to connect the ground wire, realizing the integration of power, grounding and signal transmission, and reducing the complexity of wiring.

[0026] Furthermore, the socket housing 110 is provided with a socket groove 111 for installing female hardware 140, and the plug housing 210 is provided with a plug groove 211 for installing male hardware 240. The socket groove 111 is provided with a first positioning protrusion 112 that protrudes outward and separates the large female hardware 142, small female hardware 142, and medium female hardware 143. The plug groove 211 is provided with a second positioning protrusion 212 that protrudes outward and separates the large male hardware 241, small male hardware 242, and medium male hardware 243. The plug groove 111, the socket groove 111, and the plug groove 211 are all annular structures. The device has multiple mounting slots for matching male or female hardware 240 or 140. The male and female hardware 140 and 240 are installed into the plug slot 111 and socket slot 211 respectively through the mounting slots. The first positioning protrusion 112 and the second positioning protrusion 212 are separated from the different hardware to prevent signal interference. The special shape design of the first positioning protrusion 112 and the second positioning protrusion 212 also helps the connector to be positioned when connecting to the device or cable housing 250. The connection part of the device usually has a structure that matches the shape of the first positioning protrusion 112 so that the socket 100 can be partially aligned and connected to the device to prevent misalignment during installation. The front end of Dagong Hardware 241 is equipped with an anti-contact cap 244, which is sleeved on the front end of Dagong Hardware 241. The front end of Dagong Hardware 241 has a structure that cooperates with the anti-contact cap 244, so that the anti-contact cap 244 can be stably connected to Dagong Hardware 241. The anti-contact cap can effectively isolate the exposed part of the front end of Dagong Hardware, prevent the human body or other conductive objects from contacting the live parts, and reduce the risk of electric shock. Especially in high-voltage connectors or industrial equipment, this design can ensure the safety of operators.

[0027] Furthermore, a gasket 113 is provided on the socket housing 110 outside the socket groove 111. The gasket 113 has an opening that matches the socket groove 111. The socket housing 110 can also be provided with a corresponding gasket groove to facilitate the installation of the gasket 113. The gasket 113 is fitted into the socket groove 111 through the opening and fits the side of the socket housing 110 located outside the socket groove 111. The surface of the gasket 113 has raised textures. The gasket 113 acts as a buffer structure when the device or connecting cable is inserted into the socket 10, preventing the connector or the interface it connects to from being damaged by collisions during connection, which helps to extend the service life of the connector. The connecting cavity 120 has a "D" shaped structure. The shape of the insertion end 220 matches the connecting cavity 120. The "D" shaped structure facilitates the alignment and connection of the socket 100 and the plug 200, prevents misalignment of internal hardware connections, and facilitates the connection and use of the connector. The self-locking buckle 230 has a protruding latch 231, and the side wall of the locking cavity 130 has a slot 131 that matches the latch 231. The slot 131 penetrates the side wall of the locking cavity 130. The front end of the latch 231 has an oblique structure. When the socket 100 and the plug 200 are connected, when the self-locking buckle 230 is inserted into the locking cavity 130, the latch 231 is pressed down by the inner wall of the locking cavity 130. When the latch 231 reaches the slot 131, it pops up, completing the self-locking and preventing the connection from separating. The slot 131 penetrates the side wall of the locking cavity 131, making it easy for the user to open the self-locking with a tool that matches the slot 131, making it easy to unlock and untie the connection. This utility model is applicable to various application scenarios such as new energy fields, stage lighting and sound equipment, and industrial automation equipment. Through integrated design, it reduces the wiring requirements of individual signal lines and power lines, and its good sealing performance meets the needs of use in harsh environments. The plug 200 and socket 100 are separate, which can be quickly plugged in and unplugged to achieve connection and separation, which facilitates equipment installation, replacement and maintenance without having to remove the entire cable or connector. If the plug or socket of the connector is damaged, only the damaged part needs to be replaced, reducing maintenance costs and time.

[0028] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A self-locking connector, characterized by: The utility model relates to a socket (100) and plug (200) connection structure, including: The socket (100) includes socket shell (110), and socket shell (110) is equipped with the connecting cavity (120) of one end open, and the locking cavity (130) of connecting cavity (120) outside is equipped on socket shell (110);The plug (200) is equipped with plug shell (210) and the cable shell (250) of connecting plug shell (210), and the insertion end (220) of plug shell (210) is equipped with the matching connection of connecting cavity (120), and the plug (200) can be inserted into connecting cavity (120) through insertion end (220) to connect socket (100), and the self-locking buckle (230) of matching locking cavity (130) is equipped on the outside of insertion end (220) of plug shell (210);The waterproof ring (300) is pasted and is equipped with the inside of connecting cavity (120), and the waterproof ring (300) is matched with the end face shape of insertion end (220).

2. A self-locking connector according to claim 1, characterized in that: The plurality of female hardware (140) is equipped in socket shell (110), and the plurality of male hardware (240) matched with female hardware (140) is equipped in plug shell (210), and the cable line (251) connected with male hardware (240) is equipped in cable shell (250).

3. A self-locking connector according to claim 2, wherein: The plurality of female hardware (140) includes the plurality of big female hardware (141), the plurality of small female hardware (142) and at least one medium female hardware (143), and the plurality of male hardware (240) includes the plurality of big male hardware (241) matched with big female hardware (141), the plurality of small male hardware (242) matched with small female hardware (142) and at least one medium male hardware (243) matched with medium female hardware (143).

4. A self-locking connector according to claim 3, wherein: Socket shell (110) is equipped with socket slot body (111) for installing female hardware (140), plug shell (210) is equipped with plug slot body (211) for installing male hardware (240), and the first positioning convex body (112) of the outward protrusion and the big female hardware (141) of separating small female hardware (142) and medium female hardware (143) is equipped in socket slot body (111);The second positioning convex body (212) of the outward protrusion and the big male hardware (241) of separating small male hardware (242) and medium male hardware (243) is equipped in plug slot body (211).

5. A self-locking connector according to claim 4, wherein: The gasket (113) is equipped on the outside of socket slot body (111) on socket shell (110), and the aperture matched with socket slot body (111) is equipped in gasket (113), and the protruding texture or convex point is equipped on the surface of gasket (113).

6. A self-locking connector according to claim 1, characterized in that: The connecting cavity (120) is "D" structure, and the shape of insertion end (220) is matched with connecting cavity (120).

7. A self-locking connector according to claim 1, characterized in that: The self-locking buckle (230) is provided with a protruding clamping protrusion (231), the side wall of the locking cavity (130) is provided with a clamping opening (131) matched with the clamping protrusion (231), and the clamping opening (131) penetrates the side wall of the locking cavity (130).

8. A self-locking connector according to claim 3, wherein: The front end of the large public hardware (241) is provided with a touch-proof cap (244).

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