Wiring terminal with locking structure

By designing a locking structure in the wiring terminals, including rectangular notches, limit jacks, bar plates and other components, the problem of unstable connection of traditional wiring terminals is solved, and higher stability and reliability are achieved. It is suitable for industrial automation and power transmission fields.

CN222966442UActive Publication Date: 2025-06-10SHANGHAI HANPU NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202422144787.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-03
Publication Date
2025-06-10
Estimated Expiration
2034-09-03

AI Technical Summary

Technical Problem

The problem of unstable connections of traditional terminals and easy to fall off, especially when pursuing compactness and rapid disassembly and assembly, how to ensure the stability and reliability of the connection of terminals has become a technical problem that needs to be solved urgently.

Method used

A terminal with a locking structure is designed, and a stable connection is achieved by setting a locking structure between the terminal main body and the plug-in frame, including rectangular notches, limit jacks, bar plates, rectangular grooves, bar placement grooves, division blocks, moving sleeves, overlap sliders and reset components.

Benefits of technology

It significantly improves the connection stability between the terminal body and the plug-in frame, prevents accidental falloff or loosening of the plug-in frame, ensures the safety and reliability of the terminal, and is suitable for application scenarios where high stability and reliability are required.

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Abstract

The utility model belongs to the technical field of wiring terminals, in particular to a wiring terminal with a locking structure, which comprises a wiring terminal main body, a plug frame is sleeved on the periphery of the wiring terminal main body, and the locking structure is connected between the wiring terminal main body and the plug frame. The locking structure comprises a rectangular notch and a strip-shaped plate, the rectangular notch is formed in the periphery of the end portion of the inserting frame, the strip-shaped plate is installed on the surface of the upper end of the wiring terminal body, limiting inserting holes are formed in the end wall of the rectangular notch, and a rectangular groove is formed in the surface of the strip-shaped plate. The connection stability between the wiring terminal main body and the plugging frame is obviously improved; through tight combination of the limiting insertion rod and the limiting insertion hole, the insertion frame is effectively prevented from accidentally falling off or loosening, so that the safety and the reliability of the wiring terminal are ensured; the design is particularly suitable for application scenes requiring high stability and reliability, such as the fields of industrial automation, power transmission and the like.
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Description

Technical Field

[0001] The utility model relates to the technical field of terminal blocks, in particular to a terminal block with a locking structure. Background Art

[0002] In power transmission, industrial automation, and various electronic devices, terminal blocks, as key components for circuit connection, their stability and reliability are crucial for the normal operation of the entire system. Traditional terminal block designs often have problems such as unstable connections and easy detachment, which not only affect the efficiency and safety of circuit transmission but also increase the costs of equipment maintenance and replacement.

[0003] To solve the above problems, in recent years, the design of terminal blocks has been continuously developing towards compactness, modularity, quick disassembly and assembly, etc. However, while pursuing compactness and quick disassembly and assembly, how to ensure the stability and reliability of the connection of terminal blocks has become an urgent technical problem to be solved.

[0004] In the prior art, although some terminal blocks have adopted locking structures to enhance the connection stability, these locking structures are often complex in design, cumbersome in operation, and prone to failure due to the influence of the external environment. In addition, the design of the disassembly and assembly components often has problems such as inconvenient installation and difficult disassembly, which affect the use efficiency and service life of the terminal blocks. Therefore, we provide a terminal block with a locking structure. Summary of the Utility Model

[0005] To solve the above problems, the utility model proposes a terminal block with a locking structure, which more precisely solves the problems raised in the above background art.

[0006] The utility model is realized through the following technical solutions:

[0007] The utility model proposes a terminal block with a locking structure, including a terminal block main body, an insertion frame sleeved around the periphery of the terminal block main body, and a locking structure connected between the terminal block main body and the insertion frame;

[0008] The locking structure includes a rectangular notch opened at the outer periphery of the end of the insertion frame and a strip-shaped plate installed on the upper surface of the terminal block main body. A limit insertion hole is opened on the end wall of the rectangular notch. A rectangular groove is opened on the surface of the strip-shaped plate. A strip-shaped placement groove is opened on the inner side wall of the rectangular groove. A dividing block is fixedly installed inside the strip-shaped placement groove. A moving sleeve block is slidably connected to the inner wall of the strip-shaped placement groove. A lapping slider is fixedly connected between the two moving sleeve blocks. A limit insertion rod is fixedly connected to one end surface of the lapping slider. A buckling groove is opened on the upper surface of the lapping slider. A reset component is connected between the strip-shaped placement groove and the lapping slider.

[0009] Further, the reset component includes a fixing rod fixedly connected to the end of the dividing block and the end wall of the strip-shaped placement groove. A spring is sleeved around the fixing rod, and the moving sleeve block is slidably sleeved around the fixing rod.

[0010] Further, a disassembly and assembly component is connected between the terminal block body and the strip-shaped plate;

[0011] The disassembly and assembly component includes a placement groove opened on the upper surface of the terminal block body and a mounting plate fixedly connected to the lower surface of the strip-shaped plate. A threaded hole is opened on the inner bottom wall of the placement groove, and a torsion fixing screw is threadedly connected to the mounting plate.

[0012] Further, the end of the limiting insertion rod penetrates through the end wall of the rectangular groove and is inserted into the inner wall of the limiting insertion hole, and the inner diameter of the limiting insertion hole is adapted to the outer diameter of the limiting insertion rod in design.

[0013] Further, the mounting plate is placed on the inner wall of the placement groove, and the size of the placement groove is adapted to the size of the mounting plate in design. The end of the torsion fixing screw is threadedly connected to the inner wall of the threaded hole.

[0014] Further, one end of the spring is fixedly connected to one end surface of the dividing block, and the other end of the spring is fixedly connected to the end wall of the strip-shaped placement groove.

[0015] Advantages of the present utility model:

[0016] Through the integrated locking structure design of the present utility model, the connection stability between the terminal block body and the plugging frame is significantly improved; through the tight combination of the limiting insertion rod and the limiting insertion hole, the accidental detachment or loosening of the plugging frame is effectively prevented, thereby ensuring the safety and reliability of the terminal block; this design is particularly suitable for application scenarios requiring high stability and reliability, such as industrial automation, power transmission and other fields.

[0017] By setting the disassembly and assembly component in the present utility model, the disassembly and assembly between the terminal block body and the strip-shaped plate become simple and fast; by tightening or loosening the torsion fixing screw, the installation or disassembly of the strip-shaped plate can be quickly realized, thereby facilitating the user to adjust or replace the wiring; this design not only improves work efficiency but also reduces maintenance costs, and is particularly suitable for occasions where the wiring needs to be frequently replaced or adjusted, such as test equipment, temporarily erected power facilities, etc. Description of the drawings

[0018] Figure 1 is a three-dimensional schematic diagram of an embodiment of the present utility model;

[0019] Figure 2 is a structural disassembly schematic diagram of the terminal block body and the strip-shaped plate of an embodiment of the present utility model;

[0020] Figure 3 Schematic structural diagram of an insertion frame according to an embodiment of the present utility model;

[0021] Figure 4 An embodiment of the present utility model Figure 2 Enlarged structural view of part A in the embodiment.

[0022] In the figure: 1, terminal body; 2, insertion frame; 3, rectangular notch; 4, limit jack; 5, strip plate; 6, rectangular groove; 7, strip placement groove; 8, partition block; 9, fixing rod; 10, spring; 11, moving sleeve block; 12, overlapping slider; 13, limit insertion rod; 14, buckling groove; 15, placement groove; 16, mounting plate; 17, threaded hole; 18, torsion fixing screw. Specific implementation manner

[0023] In order to more clearly and completely illustrate the technical solution of the present utility model, the present utility model will be further described below with reference to the accompanying drawings.

[0024] Embodiment

[0025] As Figures 1 - 4 shown, a terminal with a locking structure proposed by an embodiment of the present utility model includes a terminal body 1, an insertion frame 2 is sleeved around the terminal body 1, and a locking structure is connected between the terminal body 1 and the insertion frame 2; the locking structure includes a rectangular notch 3 opened on the outer periphery of the end of the insertion frame 2 and a strip plate 5 installed on the upper surface of the terminal body 1, a limit jack 4 is opened on the end wall of the rectangular notch 3, a rectangular groove 6 is opened on the surface of the strip plate 5, a strip placement groove 7 is opened on the inner side wall of the rectangular groove 6, a partition block 8 is fixedly installed inside the strip placement groove 7, a moving sleeve block 11 is slidably connected to the inner wall of the strip placement groove 7, a overlapping slider 12 is fixedly connected between the two moving sleeve blocks 11, a limit insertion rod 13 is fixedly connected to one end surface of the overlapping slider 12, a buckling groove 14 is opened on the upper surface of the overlapping slider 12, a reset member is connected between the strip placement groove 7 and the overlapping slider 12, the end of the limit insertion rod 13 penetrates through the end wall of the rectangular groove 6 and is inserted into the inner wall of the limit jack 4, and the inner diameter of the limit jack 4 is adapted to the outer diameter of the limit insertion rod 13 in design.

[0026] Among them, the terminal block body 1 serves as the basic part of the entire terminal block and is used to connect and fix wires. On the upper surface of the terminal block body 1, there is a strip plate 5, which is not only a connection point but also an important part of the locking structure. The rectangular groove 6 opened on the upper surface of the strip plate 5 is used to accommodate the movable parts of the locking structure; the movable sleeve block 11 is slidably connected in the fixed rod 9 and the strip placement groove 7, and the two movable sleeve blocks 11 are fixedly connected through the overlapping slider 12. One end surface of the overlapping slider 12 is fixed with a limit insertion rod 13, and the limit insertion rod 13 can pass through the end wall of the rectangular groove 6 and be inserted into the limit insertion hole 4 to achieve locking. For the convenience of user operation, a buckle groove 14 is also provided on the upper surface of the overlapping slider 12.

[0027] Furthermore, the reset component includes a fixed rod 9 fixedly connected to the end of the split block 8 and the end wall of the strip placement groove 7. A spring 10 is sleeved around the fixed rod 9, the movable sleeve block 11 is slidably sleeved around the fixed rod 9, one end of the spring 10 is fixedly connected to one end surface of the split block 8, and the other end of the spring 10 is fixedly connected to the end wall of the strip placement groove 7.

[0028] Furthermore, a disassembly and assembly component is connected between the terminal block body 1 and the strip plate 5; the disassembly and assembly component includes a placement groove 15 opened on the upper surface of the terminal block body 1 and a mounting plate 16 fixedly connected to the lower surface of the strip plate 5. A threaded hole 17 is opened on the inner bottom wall of the placement groove 15, a fastening screw 18 is threadedly connected to the mounting plate 16, the mounting plate 16 is placed at the inner wall of the placement groove 15, and the opening size of the placement groove 15 is adapted to the design size of the mounting plate 16. The end of the fastening screw 18 is threadedly connected to the inner wall of the threaded hole 17.

[0029] Among them, the placement groove 15 is opened on the upper surface of the terminal block body 1 and corresponds to the mounting plate 16 at the lower end of the strip plate 5; a threaded hole 17 is provided on the inner bottom wall of the placement groove 15, and a threaded hole adapted to the threaded hole 17 is provided on the mounting plate 16. By threading the fastening screw 18 through the threaded hole on the mounting plate 16 and threadedly connecting it with the threaded hole 17 in the placement groove 15, the fixation of the strip plate 5 and the terminal block body 1 is achieved.

[0030] The working principle of the present utility model: During installation, the strip plate 5 is fixed on the terminal block body 1 through the mounting plate 16 and the fastening screw 18; the insertion frame 2 is sleeved around the terminal block body 1 to ensure that the rectangular notch 3 is aligned with the rectangular groove 6 on the strip plate 5; press the buckle groove 14 to retract the limit insertion rod 13 into the rectangular groove 6, and then slide the insertion frame 2 along the terminal block body 1 to an appropriate position; release the buckle groove 14, and the spring 10 pushes the movable sleeve block 11 and the overlapping slider 12 to move outward, so that the limit insertion rod 13 is inserted into the limit insertion hole 4 to achieve locking.

[0031] Finally, it should be noted that: The basic concepts have been described above. Obviously, for those skilled in the art, the above detailed disclosure is only an example and does not constitute a limitation to this specification. Although not explicitly stated here, those skilled in the art may make various modifications, improvements, and corrections to this specification. Such modifications, improvements, and corrections are suggested in this specification, so such modifications, improvements, and corrections still fall within the spirit and scope of the exemplary embodiments of this specification. At the same time, this specification uses specific terms to describe the embodiments of this specification. Such as "one embodiment", "an embodiment", and / or "some embodiments" mean a certain feature, structure, or characteristic related to at least one embodiment of this specification. Therefore, it should be emphasized and noted that the "one embodiment" or "an embodiment" or "an alternative embodiment" mentioned twice or more at different positions in this specification does not necessarily refer to the same embodiment. In addition, certain features, structures, or characteristics in one or more embodiments of this specification can be appropriately combined. In addition, unless clearly stated in the claims, the order of the processing elements and sequences described in this specification, the use of numerical letters, or the use of other names are not used to limit the order of the processes and methods in this specification.

[0032] Finally, it should be noted that: The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A terminal block with a locking structure, comprising a terminal block body (1), wherein a plug-in frame (2) is sleeved on the periphery of the terminal block body (1), characterized in that: A locking structure is connected between the wiring terminal body (1) and the plug-in frame (2); The locking structure comprises a rectangular recess (3) provided on the periphery of the end of the plug-in frame (2) and a strip plate (5) installed on the upper end surface of the terminal body (1); the end wall of the rectangular recess (3) is provided with a limit insertion hole (4); the surface of the strip plate (5) is provided with a rectangular groove (6); the inner wall of the rectangular groove (6) is provided with a strip placement groove (7); a partition block (8) is fixedly installed inside the strip placement groove (7); a movable sleeve block (11) is slidably connected to the inner wall of the strip placement groove (7); a lap slide block (12) is fixedly connected between the two movable sleeve blocks (11); a limit insertion rod (13) is fixedly connected to one end surface of the lap slide block (12); a buckle groove (14) is provided on the upper end surface of the lap slide block (12); and a reset component is connected between the strip placement groove (7) and the lap slide block (12).

2. A terminal block with a locking structure according to claim 1, characterized in that: The reset component comprises a fixed rod (9) fixedly connected to the end of the dividing block (8) and the end wall of the strip-shaped placement groove (7); a spring (10) is sleeved on the periphery of the fixed rod (9); and the movable sleeve block (11) is slidably sleeved on the periphery of the fixed rod (9).

3. The terminal block with a locking structure according to claim 1, characterized in that: A disassembly assembly is connected between the terminal body (1) and the strip plate (5); The disassembly assembly comprises a placement groove (15) provided on the upper end surface of the terminal body (1) and a mounting plate (16) fixedly connected to the lower end surface of the strip plate (5), a threaded hole (17) being provided on the inner bottom wall of the placement groove (15), and a tightening screw (18) being threadedly connected to the mounting plate (16).

4. The terminal block with a locking structure according to claim 1, characterized in that: The end of the limiting plug rod (13) passes through the end wall of the rectangular groove (6) and is inserted into the inner wall of the limiting plug hole (4), and the inner diameter of the limiting plug hole (4) is matched with the designed outer diameter of the limiting plug rod (13).

5. The connection terminal with a locking structure according to claim 3, characterized in that: The mounting plate (16) is placed on the inner wall of the mounting groove (15), and the opening size of the mounting groove (15) is adapted to the design size of the mounting plate (16), and the end of the tightening screw (18) is threadedly connected to the inner wall of the threaded hole (17).

6. The connection terminal with a locking structure according to claim 2, characterized in that: One end of the spring (10) is fixedly connected to one end surface of the dividing block (8), and the other end of the spring (10) is fixedly connected to the end wall of the strip-shaped placement groove (7).