A plug retractable connector
The design of the limiting mechanism solves the problem of the lack of limiting in the plug telescopic structure, and realizes multi-level locking of the plug and stable electrical connection.
Patent Information
- Application Number
- CN202521623047.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-31
- Publication Date
- 2026-07-14
- Estimated Expiration
- 2035-07-31
AI Technical Summary
The existing plug's telescopic structure lacks effective limiting, making the plug prone to accidental retraction due to external impact or cable pulling, resulting in connection interruption.
A limiting mechanism is adopted, including a limiting frame, a limiting plate and a spring. Through the cooperation of multi-level positioning grooves and limiting protrusions, multi-level length locking of the plug is achieved, ensuring the stability of the plug at different insertion and removal depths.
It enables stable extension and retraction of the plug, preventing accidental retraction and ensuring the stability of the electrical connection.
Smart Images

Figure CN224502498U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electronic connector technology, and in particular to a retractable connector. Background Technology
[0002] A plug is a device that connects electrical equipment to a power source. It is inserted into a power socket by physical insertion to enable power supply. In the field of electronic equipment connection, some plugs use a simple telescopic structure. However, their telescopic structure lacks effective limit and is not stable enough. The plug is prone to retracting unexpectedly due to external force collision or cable pulling, resulting in connection interruption. Utility Model Content
[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing a retractable connector.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] A retractable connector includes a connecting end, a terminal block connected to one side of the connecting end, and a housing covering the connecting end and the terminal block. The connecting end includes a plug, and the plug has a socket for connecting the terminal block inside. A retractable connecting cover is provided at the connection between the terminal block and the connecting end. Multiple positioning grooves are provided on the upper surface of the housing of the connecting end, and a limit mechanism is installed on one side of the housing located on the positioning groove.
[0006] In addition, a preferred structure is that the upper and lower sides of the outer shell are symmetrically provided with pinching parts, and the upper surface of the outer shell is symmetrically provided with mounting holes on one side of the positioning groove. The limiting mechanism is installed at the mounting hole, and a limiting protrusion is provided on one side of the mounting hole.
[0007] In addition, a preferred structure is that the wiring terminal includes a connector, which is connected to the socket and the telescopic connecting cover, and the connector is pulled out simultaneously with the telescopic connecting cover.
[0008] In addition, a preferred structure is that the limiting mechanism includes a limiting frame, on which a limiting plate is vertically slidably disposed, and the limiting plate is used to be locked in the positioning groove.
[0009] In addition, a preferred structure is that the bottom plate of the limiting frame has symmetrical through holes, and the bottom surface of the bottom plate of the limiting frame has a limiting groove for positioning in conjunction with the limiting protrusion. The bottom of the top plate of the limiting frame has a vertically arranged sliding rod, and the limiting plate slides vertically on the sliding rod.
[0010] In addition, a preferred structure is that a spring is sleeved on the slide rod, with the top end of the spring abutting against the top plate of the slide rod and the bottom end of the spring abutting against the limiting plate.
[0011] In addition, a preferred structure is that a positioning plate is vertically fixedly connected to one side of the limiting plate, the positioning plate is used to be locked in the positioning groove, a pull rod is provided on the upper surface of the limiting plate, and a sliding hole is opened on the limiting plate on the side of the pull rod.
[0012] The beneficial effects of this utility model are as follows: The telescopic connecting cover of this utility model can realize the extension and retraction of the plug, and with the connection end housing, multiple positioning grooves are set. With the positioning plate of the limiting mechanism, the plug can be locked in multiple levels to adapt to different insertion and removal depth requirements. The limiting mechanism automatically presses the limiting plate with a spring, so that the positioning plate is firmly locked into the positioning groove, preventing the plug from retracting accidentally and ensuring the stability of electrical connection. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of the connector;
[0014] Figure 2 This is a schematic diagram of the internal structure of the outer shell;
[0015] Figure 3 This is a schematic diagram of the structure after the terminal block and connector are separated.
[0016] Figure 4 This is a schematic diagram of the structure after the limiting mechanism and the connecting end are separated;
[0017] Figure 5 This is a schematic diagram of the structure after the connector and the outer shell are separated.
[0018] Figure 6 This is a schematic diagram of the limit frame structure;
[0019] Figure 7 This is a schematic diagram of the limiting groove structure;
[0020] Figure 8 This is a schematic diagram of the limiting plate.
[0021] In the diagram: 1. Outer shell, 11. Grip part, 12. Mounting hole, 13. Limiting protrusion, 2. Wiring terminal, 21. Wiring head, 3. Connecting end, 31. Socket, 32. Telescopic connecting cover, 33. Plug, 34. Positioning groove, 4. Limiting mechanism, 41. Limiting plate, 411. Positioning plate, 412. Pull rod, 413. Sliding hole, 42. Spring, 43. Limiting frame, 431. Sliding rod, 432. Through hole, 433. Limiting groove. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0023] Reference Figure 1-8A retractable connector includes a connector 3, a terminal 2 connected to one side of the connector, and a housing 1 covering the connector 3 and the terminal 2. The connector 3 includes a plug 33, and the plug 33 has a socket 31 for connecting the terminal 2. A retractable connecting cover 32 is provided at the connection between the terminal 2 and the connector 3. Multiple positioning grooves 34 are provided on the upper surface of the housing of the connector 3. A limiting mechanism 4 is installed on one side of the positioning grooves 34 on the housing 1. The limiting mechanism 4 is used to lock the connector 3 and prevent it from easily retracting or extending.
[0024] Furthermore, the outer shell 1 has symmetrically arranged pinching parts 11 on the upper and lower sides, and symmetrically opened mounting holes 12 on one side of the positioning groove 34 on the upper surface of the outer shell 1. The limiting mechanism 4 is installed at the mounting hole 12, and a limiting protrusion 13 is provided on one side of the mounting hole 12. The pinching parts 11 are easy for the operator to pull out.
[0025] Meanwhile, terminal 2 includes connector 21, which is connected to socket 31 and telescopic connecting cover 32. Connector 21 is pulled out at the same time as telescopic connecting cover 32.
[0026] In addition, the limiting mechanism 4 includes a limiting frame 43, on which a limiting plate 41 is vertically slidably mounted, and the limiting plate 41 is used to lock into the positioning groove 34.
[0027] The bottom plate of the limiting frame 43 has symmetrical through holes 432, and the bottom surface of the bottom plate of the limiting frame 43 has a limiting groove 433. The limiting groove 433 is used to cooperate with the limiting protrusion 13 for positioning. The bottom of the top plate of the limiting frame 43 has a vertically arranged sliding rod 431. The limiting plate 41 slides vertically on the sliding rod 431. A spring 42 is sleeved on the sliding rod 431. The top of the spring 42 abuts against the top plate of the sliding rod 431, and the bottom of the spring 42 abuts against the limiting plate 41. The spring 42 ensures that the limiting plate 41 is always locked in the connecting end 3.
[0028] Furthermore, a positioning plate 411 is vertically fixed to one side of the limiting plate 41. The positioning plate 411 is used to lock into the positioning groove 34. A pull rod 412 is provided on the upper surface of the limiting plate 41. A sliding hole 413 is provided on the limiting plate 41 on one side of the pull rod 412. The pull rod 412 facilitates the operator to lift the limiting plate 41.
[0029] In this embodiment, when the connecting end 3 needs to be extended, the limiting mechanism 4 is adjusted. By pulling the pull rod 412, the limiting plate 41 is lifted and slides on the slide rod 431. The spring 42 is deformed by the compression of the limiting plate 41, and the positioning plate 411 is pulled out from the positioning groove 34. At this time, the plug 33 is no longer stuck and can be pulled out. The telescopic connecting cover 32 is released. After the plug 33 is pulled out, the pull rod 412 is released, the spring 42 releases its elastic potential energy, and the positioning plate 411 is re-clamped into the positioning groove 34, thereby fixing the position of the plug 33.
[0030] Furthermore, when installing the limit bracket 43, the limit protrusion 13 is inserted into the limit groove 433 to ensure that the position of the limit bracket 43 is accurately installed.
[0031] In this utility model, the telescopic connecting cover 32 enables the plug to be telescopic, and multiple positioning grooves 34 are provided in conjunction with the connecting end housing. Together with the positioning plate 411 of the limiting mechanism 4, the plug 33 can be locked in multiple lengths to adapt to different insertion and removal depth requirements. The limiting mechanism 4 automatically presses the limiting plate 41 with the spring 42, so that the positioning plate 411 is firmly locked into the positioning groove 34, preventing the plug from retracting accidentally and ensuring the stability of the electrical connection.
[0032] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A retractable connector for a plug, comprising a connector end (3), characterized in that, A terminal block (2) is provided on one side of the connection end. The connection end (3) and the terminal block (2) are covered by a shell (1). The connection end (3) includes a plug (33). The plug (33) has a socket (31) for connecting the terminal block (2). A telescopic connecting cover (32) is provided at the connection between the terminal block (2) and the connection end (3). Multiple positioning grooves (34) are provided on the upper surface of the shell of the connection end (3). A limit mechanism (4) is installed on one side of the shell (1) located in the positioning groove (34).
2. The retractable connector according to claim 1, characterized in that, The outer shell (1) has symmetrically arranged pinching parts (11) on the upper and lower sides. The upper surface of the outer shell (1) has symmetrically opened mounting holes (12) on one side of the positioning groove (34). The limiting mechanism (4) is installed at the mounting hole (12), and a limiting protrusion (13) is provided on one side of the mounting hole (12).
3. A retractable connector according to claim 1, characterized in that, The terminal (2) includes a connector (21), which is connected to the socket (31) and the telescopic connecting cover (32). The connector (21) is pulled out at the same time as the telescopic connecting cover (32).
4. A retractable connector according to claim 1, characterized in that, The limiting mechanism (4) includes a limiting frame (43), on which a limiting plate (41) is vertically slidably arranged, and the limiting plate (41) is used to be locked in the positioning groove (34).
5. A retractable connector according to claim 4, characterized in that, The bottom plate of the limiting frame (43) has symmetrical through holes (432), and the bottom surface of the bottom plate of the limiting frame (43) has a limiting groove (433). The limiting groove (433) is used to cooperate with the limiting protrusion (13) for positioning. The bottom of the top plate of the limiting frame (43) has a vertically arranged sliding rod (431), and the limiting plate (41) slides vertically on the sliding rod (431).
6. A retractable connector according to claim 5, characterized in that, A spring (42) is fitted on the slide rod (431). The top end of the spring (42) abuts against the top plate of the slide rod (431), and the bottom end of the spring (42) abuts against the limiting plate (41).
7. A retractable connector according to claim 6, characterized in that, A positioning plate (411) is vertically fixed to one side of the limiting plate (41). The positioning plate (411) is used to be locked in the positioning groove (34). A pull rod (412) is provided on the upper surface of the limiting plate (41). A sliding hole (413) is provided on the limiting plate (41) on one side of the pull rod (412).