Wiring terminal with strong clamping force

By combining clamping and limiting mechanisms, the problem of loosening of terminals under vibration or mechanical stress is solved, achieving stable connection of wires and improving the wiring capability of terminals.

CN223797549UActive Publication Date: 2026-01-13ZHEJIANG LIANXIN ELECTRONIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520187542.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2026-01-13
Estimated Expiration
2035-02-06

AI Technical Summary

Technical Problem

Existing terminals are prone to loosening under vibration or mechanical stress, leading to unstable wire contact and causing problems such as loose connections or disconnections.

Method used

The design employs a combination of clamping and limiting mechanisms, including a clamping plate, a gear ring, a drive gear block, a limiting rod, and a locking nut. The multi-stage clamping and limiting structure ensures a stable connection of the wires.

Benefits of technology

The clamping force of the terminals is increased, preventing loosening caused by vibration or mechanical stress, ensuring stable contact between the wires and the terminals, and improving wiring capability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wiring terminals, in particular to a wiring terminal with strong clamping force, which comprises a wiring terminal body, a clamping mechanism is arranged on one side of the wiring terminal body, a limiting mechanism is arranged on one side of the clamping mechanism, the clamping mechanism comprises a first fixing plate and a second fixing plate, and a gear ring is slidably connected between the first fixing plate and the second fixing plate. Clamping plates are meshed with the inner circumference of the gear ring in an array mode, a driving gear block is meshed with one side of the bottom of the gear ring, the limiting mechanism comprises a limiting disc, a limiting rod is slidably sleeved with the limiting disc, one end of the limiting rod is slidably connected with the driving gear block in an inserted mode, and the other end of the limiting rod is in threaded connection with a locking nut; by screwing the screw at the top of the wiring terminal body, a wire is clamped preliminarily, then the wire is clamped through the clamping plate, and the clamping plate is indirectly limited through the limiting rod, so that secondary clamping of the clamping plate is finally realized, and the phenomenon that the wire is damaged when vibration, pulling or other mechanical stress is generated in an external environment is avoided. And the clamping position is easy to loosen.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a wiring terminal technical field, specifically is a wiring terminal that strong clamping force. BACKGROUND

[0002] The wiring terminal is an electrical element used for connecting and fixing wires, widely used in various electrical appliances and systems. It provides a safe and reliable connection point to ensure efficient and stable transmission of current or signals. To ensure the reliability and stability of the connection, the wiring terminal must firmly clamp the wire. If the clamping force is insufficient, the wire may loosen, leading to poor contact, loose connection or even disconnection, which may cause electrical failure and safety hazards. Therefore, ensuring that the wiring terminal has sufficient clamping force is crucial to improving the performance and safety of electrical systems.

[0003] In the prior art, the most common clamping method in existing wiring terminal design is to use screws and other fasteners to clamp the wire. This traditional method tightens the screw to press the wire between the metal sheet or other fixed structure of the wiring terminal.

[0004] However, although the above method is simple to operate and low in cost, it has some limitations in actual application, such as when the external environment vibrates, pulls or other mechanical stress, the clamping position may loosen, leading to unstable contact between the wire and the wiring terminal. This situation may cause loose connection, disconnection and other problems, thereby reducing the wiring capacity of the wiring terminal. Therefore, the utility model provides a wiring terminal with strong clamping force to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a wiring terminal with strong clamping force to solve the problems raised in the background technology.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a wiring terminal with strong clamping force, comprising: a wiring terminal body, a clamping mechanism is arranged on one side of the wiring terminal body, and a limiting mechanism is arranged on one side of the clamping mechanism.

[0007] The clamping mechanism includes a first fixed plate and a second fixed plate, a gear ring is slidably connected between the first fixed plate and the second fixed plate, a clamping plate is arrayed and engaged in the inner circumference of the gear ring, and a driving tooth block is engaged on one side of the bottom of the gear ring.

[0008] The limiting mechanism includes a limiting disc, a limiting rod is slidably sleeved in the limiting disc, one end of the limiting rod is slidably inserted with the driving tooth block, the other end of the limiting rod is threadedly connected with a locking nut, and the locking nut is rotatably installed in the limiting disc.

[0009] Preferably, the terminal body is fixedly connected with a support rod on one side surface, the support rod is arranged in linear array, and the support rod is fixedly connected between the first fixed plate and the second fixed plate, and the outer ring surface of the gear ring is in abutment with the side wall of the support rod.

[0010] Preferably, one side surface of the gear ring is in abutment with one side surface of the first fixed plate, and the other side surface of the gear ring is in abutment with one side surface of the second fixed plate, the first fixed plate is fixedly connected with a limiting column close to one side of the gear ring, and the limiting column is arranged in circumferential array about the surface of the first fixed plate.

[0011] Preferably, the limiting column is slidably connected between the inner ring surface of the gear ring, one side of the limiting column is provided with a gear, the gear is in meshing transmission with one side of a transmission gear block, the other side of the transmission gear block is in meshing transmission with the gear ring, and the gear is fixedly connected with the first fixed plate.

[0012] Preferably, the transmission gear block is fixedly connected with the clamping plate at one end, the clamping plate is fixedly connected with the anti-skid clamping block at the other end, and the driving gear block is rotatably connected between the first fixed plate and the second fixed plate.

[0013] Preferably, a cross groove is formed in one side of the driving gear block, the outer ring two side surfaces of the limiting disc are fixedly connected with the support rod, limiting holes are formed in the surfaces of the limiting disc, the first fixed plate and the second fixed plate, and the cross groove is slidably inserted with the cross plate.

[0014] Preferably, the cross plate is fixedly connected with the limiting rod at one end, a recess is formed in the surface of the limiting disc close to one side of the limiting hole, a magnetic suction seat is fixedly connected in the recess, and the magnetic suction seat is magnetically connected with the locking nut.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The wire is inserted into the wire hole of the terminal body through the limiting disc, the second fixed plate and the first fixed plate, and is clamped on the metal sheet of the terminal body by screwing the screw at the top of the terminal body, so that the wire is clamped, then the limiting rod is rotated to drive the driving gear block to rotate, the driving gear block is in meshing transmission with the gear ring, the gear ring is in meshing transmission with the clamping plate, one end of the clamping plate away from the gear ring moves to the wire axis direction, until the clamping plate clamps the wire, then the locking nut is screwed on the limiting rod, until the locking nut abuts against one side of the limiting disc, so that the limiting rod is limited and fixed, the limiting rod limits the driving gear block, and the clamping plate is clamped again, so that the wire is not easy to loosen when the external environment vibrates, is pulled or other mechanical stress is generated, the contact between the wire and the terminal is stable, virtual connection, disconnection and other problems are avoided, and the wire connection capacity of the terminal body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic view of the utility model;

[0018] Figure 2 It is the internal structure schematic view of the utility model;

[0019] Figure 3 It is the internal structure bottom view schematic view of the utility model;

[0020] Figure 4 It is the internal structure rear view schematic view of the utility model.

[0021] In the drawing: 1, terminal body;2, clamping mechanism;3, limiting mechanism;4, first fixed plate;5, second fixed plate;6, gear ring;7, clamping plate;8, driving tooth block;9, limiting disc;10, limiting rod;11, locking nut;12, support rod;13, limiting column;14, gear;15, transmission tooth block;16, anti-skid clamp block;17, cross slot;18, limiting hole;19, cross plate;20, recess;21, magnetic seat. DETAILED DESCRIPTION

[0022] In order to make the utility model purposes, technical scheme carry out clearly, completely describe, and the advantage is more clear and clear, following combining the drawing to the utility model embodiment further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, rather than all the embodiment, only use to explain the embodiment of the utility model, and do not use to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor premise belong to the scope of the protection of the utility model.

[0023] Embodiment one: please refer to Figures 1 to 4The utility model provides a kind of technical scheme: a wiring terminal with strong clamping force, comprising: wiring terminal body 1, wiring terminal body 1 side is provided with clamping mechanism 2, clamping mechanism 2 is used to the secondary clamping of wire, to improve the stability of the connection of wire, clamping mechanism 2 side is provided with limiting mechanism 3, limiting mechanism 3 is positioned to clamping mechanism 2, to avoid the loosening of clamping mechanism 2, clamping mechanism 2 includes first fixed plate 4, second fixed plate 5, first fixed plate 4 and second fixed plate 5 slidingly connected with gear ring 6 between, gear ring 6 is placed between first fixed plate 4 and second fixed plate 5, but it can slide between it, gear ring 6 inner circumference array has clamping plate 7, gear ring 6 bottom side has driving tooth block 8, limiting mechanism 3 includes limiting disc 9, limiting rod 10 is sleeved in limiting disc 9 and slides, limiting rod 10 one end and driving tooth block 8 slidingly insert, limiting rod 10 other end and locking nut 11 are threadedly connected, locking nut 11 is rotatably installed in limiting disc 9, by locking nut 11 to the direction of approaching limiting disc 9 twist, to limit limiting rod 10.

[0024] When using, wire is threaded between limiting disc 9, second fixed plate 5, first fixed plate 4, and is inserted in the wiring hole of wiring terminal body 1, by screwing the screw of the top of wiring terminal body 1, wire is compressed on the metal sheet of wiring terminal body 1, to preliminarily clamp wire, then rotate limiting rod 10, limiting rod 10 drives driving tooth block 8 to rotate, driving tooth block 8 is engaged with gear ring 6 transmission, gear ring 6 is engaged with clamping plate 7 transmission, so that the end of clamping plate 7 away from gear ring 6 moves to wire axis direction, until clamping plate 7 clamps wire, then locking nut 11 is threadedly connected on limiting rod 10, until locking nut 11 and limiting disc 9 side abut, to complete the limiting and fixing of limiting rod 10, limiting rod 10 limits driving tooth block 8, finally realize the secondary clamping of clamping plate 7, avoid when external environment produces vibration, pull or other mechanical stress, it is easy to make clamping position loose, lead to unstable contact between wire and wiring terminal, cause virtual connection, open and other problems.

[0025] The support rod 12 is linearly arranged, and the support rod 12 is fixedly connected between the first fixed plate 4 and the second fixed plate 5. The outer ring surface of the gear ring 6 abuts against the side wall of the support rod 12. The support rod 12 supports the clamping mechanism 2 and the limiting mechanism 3. The support rod 12 limits and fixes the first fixed plate 4 and the second fixed plate 5. The outer ring surface of the gear ring 6 is slidable relative to the side wall of the support rod 12. One side surface of the gear ring 6 abuts against one side surface of the first fixed plate 4. The other side surface of the gear ring 6 abuts against one side surface of the second fixed plate 5. The first fixed plate 4 is fixedly connected with the limiting column 13 on one side close to the gear ring 6. The limiting column 13 is circumferentially arranged on the surface of the first fixed plate 4. The limiting column 13 is fixedly installed on the first fixed plate 4. The limiting column 13 is slidably connected with the inner ring surface of the gear ring 6. The limiting column 13 limits the rotation of the gear ring 6. The limiting column 13 is provided with the gear wheel 14 on one side. The gear wheel 14 is in meshing transmission with one side of the transmission tooth block 15. The other side of the transmission tooth block 15 is in meshing transmission with the gear ring 6. The gear wheel 14 is fixedly connected with the first fixed plate 4. The transmission tooth block 15 is fixedly connected with one end of the clamping plate 7. The other end of the clamping plate 7 is fixedly connected with the anti-slip clamping block 16. The driving tooth block 8 is sleeved between the first fixed plate 4 and the second fixed plate 5 and is rotatably connected with the first fixed plate 4 and the second fixed plate 5.

[0026] When the preliminary clamping of the wire is completed by screwing the screw at the top of the terminal body 1, the limiting rod 10 is twisted to drive the driving tooth block 8 to rotate. The driving tooth block 8 is in meshing transmission with the gear ring 6. The gear ring 6 rotates under the limitation of the limiting column 13, the first fixed plate 4 and the second fixed plate 5. The gear ring 6 is in meshing transmission with one side of the transmission tooth block 15 at one end of the clamping plate 7. The other side of the transmission tooth block 15 at the other end of the clamping plate 7 is in meshing transmission with the gear wheel 14. One end of the clamping plate 7 fixedly connected with the anti-slip clamping block 16 rotates towards the direction close to the wire axis until the anti-slip clamping block 16 clamps the wire, and the secondary clamping of the wire is completed. When the external environment vibrates, pulls or is subjected to other mechanical stress, the clamping position is easy to loosen, the contact between the wire and the terminal is unstable, and the terminal is easy to be virtually connected or disconnected, thereby reducing the wiring capacity of the terminal.

[0027] On the basis of embodiment two, the drive tooth block 8 is provided with a cross groove 17 on one side, the outer ring of the limiting disc 9 is fixedly connected with the supporting rod 12, the limiting disc 9, the first fixed plate 4 and the second fixed plate 5 are all provided with a limiting hole 18, the cross groove 17 is slidably inserted with the cross plate 19, the drive tooth block 8 is driven to rotate by the limiting rod 10 through the cross groove 17, the limiting disc 9 is fixed by the supporting rod 12, the limiting hole 18 on the surface of the limiting disc 9, the first fixed plate 4 and the second fixed plate 5 is convenient for the insertion of the wire, the cross plate 19 is fixedly connected with one end of the limiting rod 10, the recess 20 is provided on the surface of the limiting disc 9 close to one side of the limiting hole 18, the magnetic attraction seat 21 is fixedly connected in the recess 20, the magnetic attraction seat 21 is magnetically connected with the locking nut 11, the limiting disc 9 limits the limiting rod 10, and the recess 20 limits the locking nut 11.

[0028] When the wire needs to be clamped again, the cross plate 19 at one end of the limiting rod 10 is inserted into the cross groove 17 provided on the surface of the drive tooth block 8 through the through hole provided in the limiting disc 9, and then the hand wheel at the other end of the limiting rod 10 is twisted to drive the limiting rod 10 to rotate, the limiting rod 10 is limited by the cross groove 17 and the cross plate 19 to drive the drive tooth block 8 to rotate, thereby facilitating the clamping of the subsequent clamping plate 7, when the clamping of the clamping plate 7 is completed, the locking nut 11 is screwed with the limiting rod 10, and the locking nut 11 is twisted towards the recess 20 until the side of the locking nut 11 abuts against the surface of the magnetic attraction seat 21, thereby limiting the rotation of the locking nut 11 by the magnetic attraction between the magnetic attraction seat 21 and the locking nut 11, the locking nut 11 limits the limiting rod 10, and the limiting rod 10 indirectly limits the drive tooth block 8, thereby indirectly limiting the clamping plate 7, ensuring the stability and firmness of the anti-slip clamping block 16 on the clamping plate 7, and improving the wiring capacity of the terminal body 1.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A wire terminal having a strong clamping force, comprising a wire terminal body (1), characterized in that: The clamping mechanism (2) is provided on one side of the terminal body (1), and a limiting mechanism (3) is provided on one side of the clamping mechanism (2); The clamping mechanism (2) comprises a first fixed plate (4) and a second fixed plate (5), a gear ring (6) is slidably connected between the first fixed plate (4) and the second fixed plate (5), a clamping plate (7) is arrayed and engaged on the inner circumference of the gear ring (6), and a driving tooth block (8) is engaged on one side of the bottom of the gear ring (6); The limiting mechanism (3) comprises a limiting disc (9), a limiting rod (10) is slidably sleeved in the limiting disc (9), one end of the limiting rod (10) is slidably inserted with the driving tooth block (8), the other end of the limiting rod (10) is threadedly connected with a locking nut (11), and the locking nut (11) is rotatably installed in the limiting disc (9).

2. The terminal according to claim 1, wherein: The supporting rod (12) is linearly arranged, and the supporting rod (12) is fixedly connected between the first fixed plate (4) and the second fixed plate (5); and the outer circumferential surface of the gear ring (6) abuts against the side wall of the supporting rod (12).

3. The terminal according to claim 2, wherein: The side surface of the gear ring (6) abuts against the side surface of the first fixed plate (4), the other side surface of the gear ring (6) abuts against the side surface of the second fixed plate (5), the first fixed plate (4) is fixedly connected with a limiting column (13) close to one side of the gear ring (6), and the limiting column (13) is circumferentially arranged on the surface of the first fixed plate (4).

4. The terminal according to claim 3, wherein: The limiting column (13) is slidably connected between the inner circumferential surface of the gear ring (6), one side of the limiting column (13) is provided with a gear (14), the gear (14) is in meshing transmission with one side of a transmission tooth block (15), the other side of the transmission tooth block (15) is in meshing transmission with the gear ring (6), and the gear (14) is fixedly connected between the first fixed plate (4).

5. The terminal according to claim 4, wherein: The transmission tooth block (15) is fixedly connected with one end of the clamping plate (7), the other end of the clamping plate (7) is fixedly connected with an anti-skid clamping block (16), and the driving tooth block (8) is sleeved between the first fixed plate (4) and the second fixed plate (5) and rotatably connected between the first fixed plate (4) and the second fixed plate (5).

6. The terminal according to claim 5, wherein: The driving tooth block (8) is provided with a cross groove (17) on one side, the outer circumferential surface of the limiting disc (9) is fixedly connected with the supporting rod (12), limiting holes (18) are formed in the surfaces of the first fixed plate (4) and the second fixed plate (5), and the cross groove (17) is slidably inserted with a cross plate (19).

7. The terminal according to claim 6, wherein: The cross plate (19) is fixedly connected with one end of the limiting rod (10), a recess (20) is formed in the surface of the limiting disc (9) close to the limiting hole (18), a magnetic suction seat (21) is fixedly connected in the recess (20), and the magnetic suction seat (21) is magnetically connected with the locking nut (11).