Pressing hook type connecting copper block for cable bridge grounding system
By using a pressure hook connection copper block in the cable tray grounding system, the problem of inconvenience in connection with the equipment grounding wire and the built-in grounding wire of the bridge is solved, stable connection and efficient grounding and flow diversion are achieved, and power safety is improved.
Patent Information
- Application Number
- CN202520574721.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2035-03-31
AI Technical Summary
In the existing cable tray grounding system, the connection between the equipment grounding wire and the built-in grounding wire of the bridge is inconvenient, resulting in unstable installation and affecting the grounding and flow diversion effect.
The copper block is connected by a press hook type. By setting wire grooves, openings, pins and press hooks on the block, the press hook is pushed by a flat head screw to press the ground wire into the line groove, achieving convenient connection.
It improves the stability of the grounding wire connection, reduces the situation where the grounding diversion effect is affected due to non-standard installation, and enhances personal safety protection for electricity use.
Smart Images
Figure CN222868077U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cable bridges, in particular to a pressure hook type connecting copper block for a cable bridge grounding system. Background Art
[0002] With the rapid development of the industrial process, my country's industrial process has accelerated, and more attention has been paid to the safety of production and power distribution. At present, the grounding and equipotential connection of the cable tray usually uses copper braided jumper wires to connect two bridges to form an effective grounding and equipotential connection of the cable tray of the integrated wiring system. The equipment in the production workshop is separately introduced into the workshop public grounding terminal by the equipment grounding terminal, and the other place is introduced from the equipment to the control box to connect the control box ground wire. In order to reduce material waste and space waste, and reduce the different degrees of harm to the human body caused by the grounding wire current in the case of equipment leakage, further reduce the damage of the grounding wire, improve the personal safety protection of electricity users, and ensure the stable production efficiency of the equipment, a grounding wire is usually set in the cable tray, and the grounding terminal of the equipment is connected to the built-in grounding wire;
[0003] In order to facilitate the connection between the equipment grounding wire and the built-in grounding wire of the cable tray, providing a press-hook type connecting copper block for a cable tray grounding system is a technical problem that technical personnel in this field urgently need to solve. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a hook-type connecting copper block for a cable tray grounding system, so as to facilitate the connection of a device grounding wire with a built-in grounding wire of the cable tray.
[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a hook-type copper block for connecting a cable tray grounding system, comprising a block, a surface of the block being provided with a cable trough capable of accommodating a cable, an opening being provided in the block, a press-fit hook being hinged in the opening through a pin, the length direction of the press-fit hook being perpendicular to the length direction of the cable trough, a threaded through hole connected to the opening being provided at the bottom, a flat-head screw being screwed in the threaded through hole, one end of the flat-head screw being able to abut against one end of the press-fit hook, and when the flat-head screw applies pressure to one end of the press-fit hook, the cable can be pressed tightly into the cable trough through the other end of the press-fit hook, a chamfer being provided at the port of the opening, and a first threaded hole for connecting the block to the cable tray being provided on the block.
[0006] Preferably, the press-fit hook is L-shaped and consists of a long arm and a short arm, the long arm of the press-fit hook is arc-shaped, and the end of the short arm of the press-fit hook has a curved surface.
[0007] Preferably, a threading hole is provided on the block, and a second threaded hole connected to the threading hole is provided on one side of the threading hole.
[0008] Preferably, an avoidance groove is provided on the block.
[0009] Preferably, the number of the wire grooves, openings, threaded through holes, pins, and press-fit hooks are two each, which are respectively placed on the upper and lower sides of the block and are staggered.
[0010] Preferably, the wire groove is an oblique groove.
[0011] Beneficial Effects
[0012] The utility model provides a press-hook type connecting copper block for a cable bridge grounding system, which has the following beneficial effects: the press-fit hook can be pushed by tightening the flat head screw to press the grounding wire tightly in the wire slot, which is convenient for workers to install the grounding wire and can form a self-locking condition, thereby improving the stability of the grounding wire connection and reducing the occurrence of situations where the grounding conduction effect is affected by non-standard installation by workers. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 The first embodiment of the utility model is a three-dimensional Figure 1 ;
[0014] Figure 2 The first embodiment of the utility model is a three-dimensional Figure 2 ;
[0015] Figure 3 It is a front view of the first embodiment of the utility model;
[0016] Figure 4 for Figure 3 Sectional view of AA in the middle;
[0017] Figure 5 The third embodiment of the present invention is Figure 1 ;
[0018] Figure 6 The third embodiment of the present invention is Figure 2 ;
[0019] Figure 7 It is a front view of the second embodiment of the utility model;
[0020] Figure 8 for Figure 7 Cross-sectional view of BB.
[0021] In the figure: 1, block; 2, wire groove; 3, opening; 4, threaded through hole; 5, pin; 6, press-fit hook; 7, flat head screw; 8, chamfer; 9, first threaded hole; 10, threading hole; 11, second threaded hole; 12, avoidance groove. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0023] First embodiment: Please refer to Figure 1-4 The utility model provides a technical solution: a copper block for connecting a cable bridge grounding system with a pressure hook type, including a block 1, a wire trough 2 capable of accommodating a cable is provided on the surface of the block 1, an opening 3 is provided in the block 1, a pressure-fitting hook 6 is hingedly connected to the opening 3 through a pin shaft 5, the pressure-fitting hook 6 can freely swing around the pin shaft 5, the length direction of the pressure-fitting hook 6 is perpendicular to the length direction of the wire trough 2, the grounding wire is pressed tightly in the wire trough 2 by swinging the pressure-fitting hook 6, a threaded through hole 4 connected thereto is provided at the bottom of the opening 3, a flat head screw 7 is screwed into the threaded through hole 4, one end of the flat head screw 7 can abut against one end of the pressure-fitting hook 6, the flat head screw 7 can be moved by a staff member using a wrench to twist the flat head screw 7, and when the flat head screw 7 applies pressure to one end of the pressure-fitting hook 6, the other end of the pressure-fitting hook 6 can be pressed through the other end of the pressure-fitting hook 6 The cable is pressed tightly into the wire groove 2 at the end, and a chamfer 8 is provided at the end of the opening 3 to facilitate the press-fit hook 6 to enter the opening 3. A first threaded hole 9 for connecting the block 1 to the cable bridge can be provided on the block 1, and the cable bridge can be connected to the first threaded hole 9 by using screws to realize the installation of the block 1; the press-fit hook 6 is L-shaped composed of a long arm and a short arm, and the long arm of the press-fit hook 6 is arc-shaped to improve the press-fitting stability, and the end of the short arm of the press-fit hook 6 has an arc surface for contacting with the flat head screw 7; the wire groove 2 is an oblique notch; a threading hole 10 is provided on the block 1 for inserting the cable, and a second threaded hole 11 connected to the threading hole 10 is provided on one side of the threading hole 10, and the cable can be fixed in the threading hole 10 by screwing a screw into the second threaded hole 11 and tightening it; an avoidance groove 12 is provided on the block 1.
[0024] Second embodiment: Please refer to Figure 5-8The utility model provides a technical solution: a copper block for connecting a cable bridge grounding system with a pressure hook type, including a block 1, a wire trough 2 capable of accommodating a cable is provided on the surface of the block 1, an opening 3 is provided in the block 1, a pressure-fitting hook 6 is hingedly connected to the opening 3 through a pin shaft 5, the pressure-fitting hook 6 can swing freely around the pin shaft 5, the length direction of the pressure-fitting hook 6 is perpendicular to the length direction of the wire trough 2, the grounding wire is pressed tightly into the wire trough 2 by the swing of the pressure-fitting hook 6, a threaded through hole 4 connected thereto is provided at the bottom of the opening 3, a flat head screw 7 is screwed into the threaded through hole 4, one end of the flat head screw 7 can abut against one end of the pressure-fitting hook 6, the flat head screw 7 can be moved by a staff member using a wrench to twist the flat head screw 7, and when the flat head screw 7 applies pressure to one end of the pressure-fitting hook 6, the grounding wire can be pressed into the wire trough 2 by the swing of the pressure-fitting hook 6. The other end of the press-fit hook 6 presses the cable into the wire groove 2, and a chamfer 8 is provided at the end of the opening 3 to facilitate the press-fit hook 6 to enter the opening 3. A first threaded hole 9 is provided on the block 1 for connecting the block 1 to the cable tray, and the cable tray can be connected to the first threaded hole 9 by using screws to achieve the installation of the block 1; the press-fit hook 6 is L-shaped composed of a long arm and a short arm, and the long arm of the press-fit hook 6 is arc-shaped to improve the press-fitting stability, and the end of the short arm of the press-fit hook 6 has an arc surface for contacting with the flat head screw 7; the wire groove 2 is an oblique groove; there are two wire grooves 2, openings 3, threaded through holes 4, pins 5, and press-fit hooks 6, which are respectively placed on the upper and lower sides of the block 1 and staggered, and the grounding wire can be press-fitted on the upper and lower sides of the block 1 through the two wire grooves 2.
[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A hook-type copper block for connecting a cable tray grounding system, characterized in that: The invention comprises a block (1), wherein a cable trough (2) capable of accommodating a cable is provided on the surface of the block (1), an opening (3) is provided in the block (1), a press-fit hook (6) is hingedly connected in the opening (3) via a pin shaft (5), the length direction of the press-fit hook (6) is perpendicular to the length direction of the cable trough (2), a threaded through hole (4) connected thereto is provided at the bottom of the opening (3), a flat head screw (7) is screwed into the threaded through hole (4), one end of the flat head screw (7) can abut against one end of the press-fit hook (6), and when the flat head screw (7) applies pressure to one end of the press-fit hook (6), the cable can be pressed into the cable trough (2) via the other end of the press-fit hook (6), a chamfer (8) is provided at the end of the opening (3), and a first threaded hole (9) for connecting the block (1) to a cable tray is provided on the block (1).
2. The hook-type connecting copper block for a cable tray grounding system according to claim 1 is characterized in that: The press-fit hook (6) is L-shaped and consists of a long arm and a short arm. The long arm of the press-fit hook (6) is arc-shaped, and the end of the short arm of the press-fit hook (6) has an arc surface.
3. The hook-type connecting copper block for a cable tray grounding system according to claim 2 is characterized in that: The block (1) is provided with a threading hole (10), and one side of the threading hole (10) is provided with a second threaded hole (11) communicating therewith.
4. The hook-type connecting copper block for a cable tray grounding system according to claim 2 is characterized in that: The block (1) is provided with an avoidance groove (12).
5. The hook-type connecting copper block for a cable tray grounding system according to claim 1 is characterized in that: The number of the wire groove (2), the opening (3), the threaded through hole (4), the pin shaft (5), and the press-fit hook (6) are all two, which are respectively arranged on the upper and lower sides of the block (1) and are staggered.
6. The hook-type connecting copper block for a cable tray grounding system according to claim 1, characterized in that: The wire slot (2) is an oblique slot.