Ground wire connecting structure for junction box and junction box
The combined design of the limiting rod, movable rod and rotating disk in the ground wire connection structure of the junction box solves the problem of unstable wire fixation caused by deformation of the elastic clip, and achieves a more stable ground wire fixing effect.
Patent Information
- Application Number
- CN202423270458.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In the existing ground wire connection structure of the junction box, the elastic clip is easily deformed, resulting in an inability to effectively fix the wire, affecting the stability of use.
The connecting components composed of multiple sets of limit rods, moving rods, rotating disks and driving screws are used to stabilize and fix the ground wire using the rotation and displacement mechanism to avoid deformation of the elastic clips.
It improves the stability and service life of the ground wire connection, prevents the wire from loosening and being damaged, and enhances the overall practicality.
Smart Images
Figure CN223462702U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of junction box, concretely relates to a ground wire connecting structure for junction box and junction box. BACKGROUND
[0002] The ground wire is the wire connected to the earth directly, and also can be called the safety return wire. For example, the equipment such as electric appliance due to bad insulation performance or wet use environment, will cause its shell to have certain static electricity, and serious time will cause electric shock accident. In order to avoid the accident, a wire is connected to the metal shell of electric appliance, and the other end of the wire is connected to the earth, and the ground wire will bring static electricity into the earth and release when the electric appliance leaks. The ground wire is connected to the electric appliance on one end in use, and the ground wire terminal on the other end is connected to the junction box, and the junction box contacts the ground.
[0003] In order to prevent the wire from being shaken or pulled off, a conventional elimination clamp is provided, and the access end of the wire is clamped and fixed, and the elimination clamp is clamped by the elastic clamping piece, and after being used for a period of time, the elastic clamping piece is deformed and cannot achieve the effect of clamping and fixing, and then loses the effect of fixing the wire, so it is particularly important to improve the existing ground wire connecting structure and design a new ground wire connecting structure for junction box to solve the above technical defects and improve the practicability of the whole ground wire connecting structure. UTILITY MODEL CONTENT
[0004] The utility model discloses a kind of ground wire connecting structure for junction box and junction box, compared with the way that elimination clamp is clamped by elastic clamping piece, the scheme is clamped by a plurality of limiting rods to ground wire, more stable, prevent when being used for a period of time, elastic clamping piece is deformed and cannot achieve the effect of clamping and fixing, and then loses the effect of fixing the wire, to solve the problems raised in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A ground wire connecting structure for junction box, comprising a mounting column, an installation slot is formed in the inside of the mounting column, a bolt slot is formed in the top of the mounting column, and a connecting assembly is provided on the outside of the mounting column.
[0007] The connecting assembly is used for limiting ground wire, and the connecting assembly is composed of a fixed disc, a rotating disc, a plurality of moving rods and a plurality of limiting rods, the fixed disc is located on the outside of the mounting column, the rotating disc is rotatably connected to the outside of the fixed disc, the plurality of moving rods are located on the outside of the fixed disc and in the inside of the rotating disc, and the limiting rods are slidably connected to the outside of the moving rods.
[0008] As the preferred scheme of the utility model, the inside of the rotating disc and the outside of the multiple groups of moving rods are provided with guide grooves, and the rotating disc is connected with the moving rods through the guide grooves.
[0009] As the preferred scheme of the utility model, the inside of the rotating disc and the outside of the multiple groups of moving rods are provided with guide grooves, and the rotating disc is connected with the moving rods through the guide grooves.
[0010] As the preferred scheme of the utility model, the inside of the rotating disc and the outside of the multiple groups of moving rods are provided with guide grooves, and the rotating disc is connected with the moving rods through the guide grooves.
[0011] As the preferred scheme of the utility model, the inside of the rotating disc and the outside of the multiple groups of moving rods are provided with guide grooves, and the rotating disc is connected with the moving rods through the guide grooves.
[0012] As the preferred scheme of the utility model, the inside of the rotating disc and the outside of the multiple groups of moving rods are provided with guide grooves, and the rotating disc is connected with the moving rods through the guide grooves.
[0013] The utility model also provides a junction box, still includes: junction box, the mounting post and fixed disc are all fixedly connected in the inside of junction box.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] In the utility model, through the design of the connecting assembly, the two groups of driving screws in the rotating sleeve can displace, when the driving screws rotate, the universal ball is driven to displace, the rotating disc can rotate, when the rotating disc rotates, the guide groove is driven to displace, so that the moving rod can displace, the limiting rod is driven to displace, the limiting rod is attached to the surface of the ground wire, the ground wire is limited, the ground wire is prevented from loosening, the use of the ground wire is affected, compared with the way that the elastic clamping piece is used to clamp, the multiple limiting rods are used to clamp the ground wire in the scheme, which is more stable, the elastic clamping piece is prevented from deforming after being used for a period of time, so that the clamping and fixing effect is achieved, and the effect of fixing the electric wire is lost. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is overall structure schematic view of the utility model;
[0017] Fig. 2 It is connecting assembly structure schematic view of the utility model;
[0018] Fig. 3 It is rotating disc structure schematic view of the utility model.
[0019] In the figure: 1, mounting column; 2, mounting groove; 3, bolt groove; 4, connecting assembly; 5, fixed disc; 6, rotating disc; 7, moving rod; 8, limiting rod; 9, guide groove; 10, compression spring; 11, sleeve; 12, drive screw; 13, universal ball; 14, junction box. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0021] Embodiment:
[0022] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme:
[0023] A ground wire connecting structure for junction box, including mounting column 1, mounting groove 2 is set in the inside of mounting column 1, bolt groove 3 is set in the top of mounting column 1, connecting assembly 4 is equipped on the outside of mounting column 1;
[0024] Connecting assembly 4 is used for limiting ground wire, and connecting assembly 4 is composed of fixed disc 5, rotating disc 6, multiple moving rods 7 and multiple limiting rods 8, fixed disc 5 is located on the outside of mounting column 1, rotating disc 6 is rotatably connected to the outside of fixed disc 5, multiple moving rods 7 are all located on the outside of fixed disc 5 and inside rotating disc 6, and limiting rod 8 is slidably connected to the outside of moving rod 7.
[0025] Further, guide groove 9 is set in the inside of rotating disc 6 and on the outside of multiple moving rods 7, and rotating disc 6 is connected with moving rod 7 through guide groove 9, moving rod 7 is connected with guide groove 9, when rotating disc 6 rotates, guide groove 9 is driven to displace, so that moving rod 7 can displace, and limiting rod 8 is driven to displace.
[0026] Among them, limiting rod 8 is slidably connected to the inside of fixed disc 5, and the center of fixed disc 5 and rotating disc 6 is designed as hollow structure, when limiting rod 8 displaces, it is slidably connected with fixed disc 5, so that fixed disc 5 guides limiting rod 8, to prevent limiting rod 8 from deviating, and the hollow structure design of fixed disc 5 and rotating disc 6 allows ground wire to pass through fixed disc 5 and rotating disc 6.
[0027] Secondly, the mobile rod 7 extends to the inside fixed connection of the limiting rod 8 has compression spring 10, the compression spring 10 is fixedly connected with the limiting rod 8 away from the one end of the mobile rod 7, when the limiting rod 8 is contacted with the ground wire, it is displaced by the relative force, it is buffered by compression spring 10, prevent the limiting rod 8 from causing damage to the surface of the ground wire, affect the ground wire makes use.
[0028] Further, the sleeve 11 is arranged between the rotating disc 6 and the fixed disc 5, the two ends of the sleeve 11 are threadedly connected with the drive screws 12, the threads of the two groups of drive screws 12 are opposite in direction, rotating the sleeve 11 can make the two groups of drive screws 12 inside it displaceable.
[0029] Further, the drive screw 12 is fixedly connected with the universal ball 13 away from the one end of the sleeve 11, the two groups of drive screws 12 are connected with the rotating disc 6 and the fixed disc 5 respectively through the universal ball 13, when the drive screw 12 rotates, it drives the universal ball 13 to displace, and the rotating disc 6 can rotate.
[0030] The utility model also provides a junction box, including the ground wire connection structure for the junction box provided in any one of the above embodiments, because it has all the technical features of the ground wire connection structure for the junction box provided in any one of the above embodiments, it has the same technical effect as the above ground wire connection structure for the junction box, and the mounting column 1 and the fixed disc 5 are fixedly connected to the inside of the junction box 14.
[0031] In the embodiment, the implementation scenario is specifically: in actual use, the ground wire is connected with the inside of the mounting column 1 through the rotating disc 6 and the fixed disc 5 and the inside of the mounting groove 2 of the mounting column 1, then the bolt is mounted in the inside of the bolt groove 3 to mount the ground wire, the sleeve 11 is rotated to make the two groups of drive screws 12 inside it displaceable, when the drive screw 12 rotates, it drives the universal ball 13 to displace, and the rotating disc 6 can rotate, when the rotating disc 6 rotates, it drives the guide groove 9 to displace, so that the mobile rod 7 can displace, drives the limiting rod 8 to displace, and the limiting rod 8 is attached to the surface of the ground wire to limit the ground wire, at the same time, when the limiting rod 8 is contacted with the ground wire, it is displaced by the relative force, it is buffered by the compression spring 10, prevent the limiting rod 8 from causing damage to the surface of the ground wire, affect the ground wire makes use, compared with the prior art ground wire connection structure, the utility model can improve the overall practicability of the ground wire connection structure by design.
[0032] 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 ground connection structure for a terminal box comprising a mounting post (1), characterized in that: The inside of the mounting column (1) is provided with a mounting groove (2), the top of the mounting column (1) is provided with a bolt groove (3), and the outside of the mounting column (1) is provided with a connecting assembly (4); The connecting assembly (4) is used for limiting the ground wire, and the connecting assembly (4) is composed of a fixed disc (5), a rotating disc (6), a plurality of movable rods (7) and a plurality of limiting rods (8); the fixed disc (5) is located outside the mounting column (1); the rotating disc (6) is rotatably connected to the outside of the fixed disc (5); a plurality of movable rods (7) are located outside the fixed disc (5) and inside the rotating disc (6); and the limiting rod (8) is slidably connected to the outside of the movable rod (7).
2. The ground connection structure for a junction box according to claim 1, characterized by: The inside of the rotating disc (6) and outside of the plurality of movable rods (7) are provided with a guide groove (9), and the rotating disc (6) is connected with the movable rod (7) through the guide groove (9).
3. The ground connection structure for a junction box according to claim 1, characterized by: The limiting rod (8) is slidably connected to the inside of the fixed disc (5), and the centers of the fixed disc (5) and the rotating disc (6) are designed in a hollow structure.
4. The ground connection structure for a junction box according to claim 1, characterized by: The movable rod (7) extends into the inside of the limiting rod (8) and is fixedly connected with a compression spring (10), and one end of the compression spring (10) away from the movable rod (7) is fixedly connected with the limiting rod (8).
5. The ground connection structure for a junction box according to claim 1, characterized by: The rotating disc (6) and the fixed disc (5) are provided with a sleeve (11), both ends of the sleeve (11) are threadedly connected with a driving screw (12), and the threads of the two driving screws (12) are opposite in direction.
6. The ground connection structure for a junction box according to claim 5, wherein: One end of the driving screw (12) away from the sleeve (11) is fixedly connected with a universal ball (13), and the two driving screws (12) are connected with the rotating disc (6) and the fixed disc (5) through the universal ball (13) respectively.
7. A terminal block, characterized in that The ground wire connecting structure of any one of claims 1-6 further comprises a junction box (14), and the mounting column (1) and the fixed disc (5) are fixedly connected to the inside of the junction box (14).