Plug-in wiring device

By designing a protective mechanism in the plug-in wiring device, and utilizing the combination of snap-fit ​​and spring, the problem of the plug loosening and falling off the socket is solved, thus achieving a stable electrical connection.

CN224082834UActive Publication Date: 2026-04-03WU XI KANG BO SHU ZHI KE JI YOU XIAN GONG SI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing plug-in wiring devices are prone to the problem of the plug becoming loose and falling off from the inner wall of the socket during long-term use.

Method used

A protective mechanism was designed, including components such as a support frame, a moving rod, a positioning post, a pressing rod, a locking block, and a guide block. Through the cooperation of locking and springs, a stable connection between the connector and the connector frame is achieved, preventing loosening and falling off.

Benefits of technology

It effectively prevents the connector and connector frame from loosening and falling off during long-term use, thus improving the stability and reliability of the connection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of plug-in wiring, in particular to a plug-in wiring device. Comprising a supporting frame, a movable rod is slidably connected to the inner wall of the upper end of the supporting frame, and a positioning column is fixedly connected to the end, close to the inserting frame, of the movable rod; sliding grooves are formed in the two sides of the inner wall of the positioning column, extrusion rods are slidably connected to the inner walls of the sliding grooves, the sections of the extrusion rods are T-shaped, clamping blocks are fixedly connected to the ends, close to each other, of the two extrusion rods, the sections of the clamping blocks are inclined, and the arc surfaces of the extrusion rods are sleeved with second springs; the two ends of the second spring are fixedly connected with the clamping block and the bottom end of the inner wall of the sliding groove correspondingly. The plug-in type wiring device provided by the utility model has the advantage that the plug-in connector and the plug-in frame can be conveniently inserted, protected and limited.
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Description

Technical Field

[0001] This utility model relates to the field of plug-in wiring technology, and in particular to a plug-in wiring device. Background Technology

[0002] Plug-in wiring harnesses are commonly used devices for electrical connections. They are typically used to quickly and easily connect wires to electrical equipment or circuit boards. Their main feature is that the electrical connection between the wire and the equipment is achieved through insertion. The advantages of plug-in wiring harnesses are quick connection and easy operation. They are especially suitable for occasions where frequent connection or disconnection of wires is required, and they are quite common in daily life.

[0003] Existing technologies, such as the utility model with publication number CN219811689U, disclose a plug-in terminal block device. This patent includes a crystal head housing, with limiting grooves formed on both sides of the housing near the bottom. A mounting plate is slidably connected within each limiting groove. A first insertion interface is formed on one side wall of the housing, and a first contact is connected to the upper inner side of the other side wall of the first insertion interface. A second contact is connected to the lower inner side of the other side wall of the first insertion interface. In this utility model, a wire clamping plate achieves rapid fixing of the wire. By pressing down on the wire clamping plate, a pressing head at the bottom of the plate quickly fixes the wire within the wire clamping spring. Transmission is completed through the output end of the wire clamping spring connected to its conductive sheet. The wire clamping spring is limited by a point supported externally by a hinge shaft.

[0004] In daily use, it has been found that during the operation of plug wiring devices, since most plugs and terminals are insert-type, after prolonged use, the surface of the plug may become loose between the plug and the inner wall of the socket, which may lead to the plug falling off during use. Utility Model Content

[0005] The purpose of this invention is to solve the problem that in the existing technology, during the operation and use of plug wiring devices, since most plugs and terminals are insert-type, after prolonged use, the surface of the plug and the inner wall of the insertion frame will become loose, which will lead to loosening and falling off during use.

[0006] To solve the above technical problems, this utility model provides a plug-in wiring device, including: a plug-in frame, a plug connector slidably inserted into the inner wall of the plug-in frame, a wire fixedly connected to the surface of the plug connector, a protective mechanism provided on the surface of the plug-in frame and the plug connector near each other, the protective mechanism including a support frame, a moving rod slidably connected to the upper inner wall of the support frame, a positioning post fixedly connected to the end of the moving rod near the plug-in frame, and sliding grooves on both sides of the inner wall of the positioning post, with a pressing rod slidably connected to the inner wall of the sliding groove, the pressing rod having a cross-section... The surface is T-shaped, and two extrusion rods are fixedly connected to a locking block at their close ends. The locking block has an inclined cross-section. A second spring is fitted on the arc surface of the extrusion rod. The two ends of the second spring are fixedly connected to the locking block and the bottom of the inner wall of the slide groove, respectively. A connecting plate is fixedly connected to the surface of the insertion frame. A connecting post is fixedly connected to the surface of the connecting plate. A first guide block is fixedly connected to the end of the connecting post near the positioning post. A second guide block is slidably connected to the arc surface of the connecting post. One side surface of the locking block engages with the side wall surface of the first guide block.

[0007] The effect achieved by the above components is that, during the operation and use of the plug-in wiring device, in order to facilitate effective protection of the plug frame and plug connector and prevent loosening and detachment, the protective mechanism set on the surface of the plug frame and plug connector can be used for auxiliary protection.

[0008] Preferably, a third spring is fitted onto the arc surface of the connecting post, and the two ends of the third spring are fixedly connected to the side walls of the connecting post and the second guide block, respectively. A protective sleeve, which is a plastic elastic sleeve, is fitted onto the arc surface of the third spring, and the two ends of the protective sleeve are fixedly connected to the connecting post and the second guide block, respectively.

[0009] The effect achieved by the above components is that the position of the second guide block can be limited by the tensile force of the third spring, preventing the first guide block and the second guide block from overlapping, while the third spring can be protected by the protective sleeve made of elastic plastic material.

[0010] Preferably, the arc surface of the second guide block is provided with a slot, and the cross-sectional dimensions of the slot are adapted to the cross-sectional dimensions of the block.

[0011] The effect achieved by the above components is that, with the help of the slot, they can quickly abut against one end of the card block, allowing the card block to effectively drive the second guide block to stretch and move in position.

[0012] Preferably, a first spring is fitted onto the arc surface of the movable rod, and the two ends of the first spring are fixedly connected to the support frame and the movable rod, respectively.

[0013] The effect achieved by the above components is that the tensile force generated by the first spring can effectively stretch and position the positioning post, preventing the positioning post from sliding or shifting.

[0014] Preferably, the inner wall cross-section of the end of the positioning post near the connecting post is concave, and the cross-sectional dimensions of the inner wall of the positioning post are adapted to the cross-sectional dimensions of the first guide block and the second guide block.

[0015] The effect achieved by the above components is that the positioning post with an inwardly concave cross-section can be quickly inserted and positioned with the first guide block and the second guide block.

[0016] Preferably, both ends of the movable rod are fixedly connected to limit plates, and the surface of the limit plates slides through the inner wall of the support frame.

[0017] The effect achieved by the above components is that the sliding position of the moving rod can be limited by the limiting plate, so as to prevent the moving rod from causing the positioning column to deflect or shake.

[0018] Preferably, the cross-sections of the first guide block and the second guide block are wedge-shaped, and both the first guide block and the second guide block are cemented carbide blocks.

[0019] The aforementioned components achieve the following effect: the first and second guide blocks, with their wedge-shaped cross-sections, can be easily matched with the locking blocks, facilitating the adjustment of the positioning pin's position.

[0020] Compared with related technologies, the plug-in wiring device provided by this utility model has the following advantages:

[0021] This utility model provides an insert-type wiring device. By operating the protective mechanism, the connection between the connector and the connector frame is fixed and protected. This helps to prevent loosening and detachment during long-term insertion and use. At this time, the positioning post at the upper end of the connector is moved and adjusted, and the first guide block and the second guide block set on the upper surface of the connector frame are engaged to help to protect and limit the connection between the connector frame and the connector. Attached Figure Description

[0022] Figure 1 A schematic diagram of the structure of a plug-in wiring device provided by this utility model;

[0023] Figure 2 for Figure 1 The diagram shows the disassembled structure of the three-dimensional structure shown.

[0024] Figure 3 for Figure 1 The diagram shows the structure of the protective mechanism.

[0025] Figure 4 for Figure 3 The enlarged structural diagram at point A is shown below;

[0026] Figure 5 for Figure 1 A partial structural diagram of the protective mechanism is shown.

[0027] The diagram is labeled as follows: 1. Connector frame; 2. Connector; 3. Wire; 4. Protective mechanism; 401. Support frame; 402. Moving rod; 403. First spring; 404. Limiting plate; 405. Positioning post; 406. Connecting plate; 407. Connecting post; 408. Pressing rod; 409. Second spring; 410. Slide groove; 411. Locking block; 412. First guide block; 413. Second guide block; 414. Slot; 415. Protective sleeve; 416. Third spring. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0029] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0030] Please see Figures 1 to 5 The present invention provides an insert-type wiring device, comprising: a plug frame 1, a plug connector 2 slidably inserted into the inner wall of the plug frame 1, a wire 3 fixedly connected to the surface of the plug connector 2, and a protective mechanism 4 provided on the surface of the plug frame 1 and the plug connector 2 that are close to each other.

[0031] In the embodiments of this utility model, please refer to Figure 3 , Figure 4 and Figure 5The protective mechanism 4 includes a support frame 401. A movable rod 402 is slidably connected to the upper inner wall of the support frame 401. A positioning post 405 is fixedly connected to one end of the movable rod 402 near the insertion frame 1. Slide grooves 410 are provided on both sides of the inner wall of the positioning post 405. A pressing rod 408 is slidably connected to the inner wall of the slide groove 410. The pressing rod 408 has a "T" shaped cross section. A locking block 411 is fixedly connected to one end of the two pressing rods 408 that are close to each other. The locking block 411 has an inclined cross section. A second spring 409 is sleeved on the arc surface of the pressing rod 408. The two ends of the second spring 409 are fixedly connected to the bottom of the inner wall of the locking block 411 and the slide groove 410, respectively. A connecting plate 406 is fixedly connected to the surface of the plug frame 1. A connecting post 407 is fixedly connected to the surface of the connecting plate 406. A first guide block 412 is fixedly connected to one end of the connecting post 407 near the positioning post 405. A second guide block 413 is slidably connected to the arc surface of the connecting post 407. One side surface of the locking block 411 engages with the side wall surface of the first guide block 412. A third spring 416 is sleeved on the arc surface of the connecting post 407. The two ends of the spring 416 are fixedly connected to the side walls of the connecting post 407 and the second guide block 413, respectively. A protective sleeve 415, made of elastic plastic, is fitted over the arc surface of the third spring 416. The two ends of the protective sleeve 415 are fixedly connected to the connecting post 407 and the second guide block 413, respectively. A slot 414 is provided on the arc surface of the second guide block 413, the cross-sectional dimensions of which are compatible with the cross-sectional dimensions of the locking block 411. A first spring 403 is fitted over the arc surface of the moving rod 402, and the two ends of the first spring 403 are fixedly connected to the side walls of the support... The support frame 401 and the moving rod 402 are fixedly connected to the positioning column 405. The inner wall section of the end of the positioning column 405 near the connecting column 407 is concave. The inner wall section size of the positioning column 405 is adapted to the section size of the first guide block 412 and the second guide block 413. The two ends of the moving rod 402 are fixedly connected to the limit plate 404. The surface of the limit plate 404 slides through the inner wall of the support frame 401. The cross sections of the first guide block 412 and the second guide block 413 are wedge-shaped. The first guide block 412 and the second guide block 413 are both hard alloy blocks.

[0032] The working principle of the plug-in wiring device provided by this utility model is as follows: During the operation of the plug-in wiring device, in order to effectively protect the plug frame 1 and the plug 2 and prevent them from loosening and falling off after long-term use, the protective mechanism 4 set at one end of the plug frame 1 and the plug 2 is used for auxiliary operation. First, the plug 2 is plugged into the inside of the plug frame 1. Then, the sliding rod 402 on the upper end of the support frame 401 on the surface of the plug 2 will drive the positioning post 405 to dock with the connecting post 407 fixed on the upper end of the plug frame 1. The squeezing rods 408 sliding on both sides of the inner wall of the positioning post 405 overcome the squeezing force generated by the second spring 409, so that the squeezing rods 408 drive the locking block 411 to lock with one side surface of the first guide block 412. At this time, the entire positioning post 405 and the first guide block 412 are locked together. The positions of blocks 412 will be fixed and cannot move, preventing the entire connector frame 1 from detaching from the connector 2. When it is necessary to separate the connector frame 1 from the connector 2, simply press the moving rod 402 again, causing the moving rod 402 to move the positioning post 405 toward the connecting plate 406, so that the locking block 411 abuts against the surface of the first guide block 412. At this time, the side of the two locking blocks 411 that is close to each other will squeeze the surface of the first guide block 412, and then stretch the positioning post 405, so that the two locking blocks 411 drive the first guide block 412 to abut against the second guide block 413. At this time, the entire first guide block 412 and the second guide block 413 form a cone shape, allowing the surfaces of the locking blocks 411 and the second guide block 413 to slide apart. At this time, the connector 2 and the connector frame 1 can be effectively separated.

[0033] The circuits and controls involved in this utility model are all existing technologies, and will not be described in detail here.

[0034] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A plug-in wiring device, characterized in that include: A plug-in frame (1) is provided with a plug connector (2) slidably plugged into its inner wall. A wire (3) is fixedly connected to the surface of the plug connector (2). A protective mechanism (4) is provided on the surface of the plug-in frame (1) and the plug connector (2) that are close to each other. The protective mechanism (4) includes a support frame (401). A moving rod (402) is slidably connected to the upper inner wall of the support frame (401). A positioning post (405) is fixedly connected to the end of the moving rod (402) that is close to the plug-in frame (1). A sliding groove (410) is provided on both sides of the inner wall of the positioning post (405). A pressing rod (408) is slidably connected to the inner wall of the sliding groove (410). The cross-section of the pressing rod (408) is "T" shaped. The two pressing rods (408) are close to each other. A locking block (411) is fixedly connected to one end of the plug. The cross-section of the locking block (411) is inclined. A second spring (409) is sleeved on the arc surface of the extrusion rod (408). The two ends of the second spring (409) are fixedly connected to the bottom of the inner wall of the locking block (411) and the slide groove (410), respectively. A connecting plate (406) is fixedly connected to the surface of the plug frame (1). A connecting post (407) is fixedly connected to the surface of the connecting plate (406). A first guide block (412) is fixedly connected to one end of the connecting post (407) near the positioning post (405). A second guide block (413) is slidably connected to the arc surface of the connecting post (407). One side surface of the locking block (411) is engaged with the side wall surface of the first guide block (412).

2. An insertion connector according to claim 1, characterized in that The arc surface of the connecting post (407) is fitted with a third spring (416). The two ends of the third spring (416) are fixedly connected to the side walls of the connecting post (407) and the second guide block (413), respectively. The arc surface of the third spring (416) is fitted with a protective sleeve (415). The protective sleeve (415) is a plastic elastic sleeve. The two ends of the protective sleeve (415) are fixedly connected to the connecting post (407) and the second guide block (413), respectively.

3. An insertable wiring device according to claim 1, wherein The second guide block (413) has a slot (414) on its arc surface, and the cross-sectional dimensions of the slot (414) are adapted to the cross-sectional dimensions of the card block (411).

4. An insertion connector according to claim 1, wherein The arc surface of the movable rod (402) is fitted with a first spring (403), and the two ends of the first spring (403) are fixedly connected to the support frame (401) and the movable rod (402) respectively.

5. An insertable wiring device according to claim 1, wherein The inner wall of the positioning post (405) near the connecting post (407) has a concave cross-section, and the cross-sectional dimensions of the inner wall of the positioning post (405) are adapted to the cross-sectional dimensions of the first guide block (412) and the second guide block (413).

6. An insertion connector according to claim 1, wherein Both ends of the movable rod (402) are fixedly connected to the limiting plate (404), and the surface of the limiting plate (404) slides through the inner wall of the support frame (401).

7. An insertion connector according to claim 1, wherein The cross-sections of the first guide block (412) and the second guide block (413) are wedge-shaped, and both the first guide block (412) and the second guide block (413) are hard alloy blocks.

Citation Information

Patent Citations

  • Plug-in wiring terminal device

    CN219811689U