Clamping type integrated connecting device for cable bridge grounding system
By designing a snap-fit integrated connection device for the cable tray grounding system, the problem of inconvenient connection between the equipment grounding wire and the built-in grounding wire of the cable tray was solved, achieving convenient connection and improved safety.
Patent Information
- Application Number
- CN202520230059.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-03-03
- Estimated Expiration
- 2035-02-13
AI Technical Summary
In existing cable tray grounding systems, the connection between the equipment grounding wire and the built-in grounding wire of the cable tray is inconvenient, resulting in material and space waste, as well as the risk of leakage, which affects electrical safety.
Design a clip-on integrated connection device for cable tray grounding system, including a plate, an upper support, a lower support, and a copper block connection part. These components enable effective connection between the equipment grounding wire and the built-in grounding wire of the cable tray. The structure of the copper block connection part facilitates installation and fixation.
It enables convenient connection between the equipment grounding wire and the built-in grounding wire, reduces material and space waste, improves electrical safety, and reduces the risk of injury to the human body from equipment leakage.
Smart Images

Figure CN223967396U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cable tray technology, specifically to a clip-on integrated connection device for cable tray grounding systems. Background Technology
[0002] With the rapid development of industrial processes and the acceleration of my country's industrial progress, greater emphasis has been placed on the safety of power distribution in production. Currently, the grounding equipotential bonding of cable trays typically uses copper braided jumpers to connect two cable trays, forming an effective grounding equipotential bonding for the cable trays in the integrated cabling system. In the production workshop, equipment is connected to the workshop's common grounding terminal via its own grounding terminal, and another connection is made from the equipment to the control box grounding wire. To reduce material and space waste, minimize the harm to the human body caused by grounding current in the event of equipment leakage, further reduce damage from exposed grounding wires, improve personal safety protection for electrical users, and ensure stable production efficiency, grounding wires are usually installed inside the cable trays, and the equipment's grounding terminal is connected to the built-in grounding wire.
[0003] To facilitate the installation of built-in grounding wires within cable trays and to facilitate the connection between equipment grounding wires and the built-in grounding wires of cable trays, a snap-fit integrated connection device for cable tray grounding systems is a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a clip-on integrated connection device for cable tray grounding systems, thereby solving the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a snap-fit integrated connection device for a cable tray grounding system, comprising a plate body, an upper support portion provided on one side of the top of the plate body, the upper support portion being able to be inserted into the folded edge at the upper end of one side wall of the cable tray trough, a lower support portion provided on one side of the bottom of the plate body, the lower support portion being in contact with the lower wall of the cable tray trough, a downwardly protruding horizontal limiting portion provided in the lower support portion, the horizontal limiting portion being able to be snapped into a through hole in the lower wall of the cable tray trough, and a copper block connecting portion provided on one side of the plate body, the copper block connecting portion being connected to an integrated copper block.
[0006] Preferably, the other side of the plate is provided with multiple support points, which are semi-circular shapes formed by stamping.
[0007] Preferably, the plate body, the upper support part, the lower support part, the horizontal limiting part, and the copper block connecting part are integrally formed. The plate body is made of galvanized plate. The upper support part is a 90-degree folded edge formed by bending at the top of the plate body. The lower support part is a 90-degree folded edge formed by bending at the bottom of the plate body. The horizontal limiting part is a U-shaped protrusion formed by bending inside the lower support part.
[0008] Preferably, the copper block connecting part includes a pair of side limiting plates and a mounting hole. The pair of side limiting plates are mirror-mounted on the plate body by stamping. The spacing between the pair of side limiting plates matches the width of the integrated copper block. The mounting hole is opened on the plate body, and a mounting threaded hole is opened on the rear surface of the integrated copper block.
[0009] Preferably, the integrated copper block has an inclined top slot, and the integrated copper block has multiple wire holes below the top slot. The integrated copper block also has fastening threaded holes on one side of the top slot and the multiple wire holes.
[0010] Preferably, the integrated copper block has a bottom groove below the plurality of wire holes, the bottom groove is L-shaped, and the integrated copper block has a fastening thread hole on one side of the bottom groove.
[0011] Preferably, the integrated copper block has a clearance groove.
[0012] This utility model provides a snap-fit integrated connection device for a cable tray grounding system, which has the following advantages: the device can snap the plate into the cable tray groove through the upper support and lower support parts provided on the plate. The integrated copper block can be installed through the copper block connection part. The built-in grounding wire and the equipment grounding wire can be installed through the top slot, bottom slot and wire hole opened on the integrated copper block, respectively. The above structure can realize the effective connection between the built-in grounding wire and the cable tray, so that the built-in grounding wire can be stored inside the cable tray and play a protective role. Attached Figure Description
[0013] Figure 1 The three-dimensional representation of this utility model Figure 1 ;
[0014] Figure 2 For the three-dimensional form of the plate Figure 1 ;
[0015] Figure 3 For the three-dimensional form of the plate Figure 2 ;
[0016] Figure 4 The three-dimensional integrated copper block in Example 1 Figure 1 ;
[0017] Figure 5 The three-dimensional integrated copper block in Example 1 Figure 2 ;
[0018] Figure 6 This is a cross-sectional view of the integrated copper block in Example 1;
[0019] Figure 7 The three-dimensional integrated copper block in Example 2 Figure 1 ;
[0020] Figure 8 The three-dimensional integrated copper block in Example 2 Figure 2 ;
[0021] Figure 9 This is a cross-sectional view of the integrated copper block in Example 2;
[0022] Figure 10 This is a schematic diagram of the present invention being assembled with the cable tray trough.
[0023] In the diagram: 1. Plate; 2. Upper support; 3. Lower support; 4. Horizontal limiting part; 5. Fulcrum; 6. Copper block connection; 61. Side limiting piece; 62. Mounting hole; 7. Integrated copper block; 71. Top groove; 72. Wire hole; 73. Fastening threaded hole; 74. Mounting threaded hole; 75. Bottom groove; 76. Clearance groove. Detailed Implementation
[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0025] Example 1: Please refer to Figures 1-10 This utility model provides a technical solution: a snap-fit integrated connection device for a cable tray grounding system, including a plate body 1, an upper support part 2 provided on one side of the top of the plate body 1, the upper support part 2 can be inserted into the folded edge at the upper end of one side wall of the cable tray trough, a lower support part 3 provided on one side of the bottom of the plate body 1, the lower support part 3 is in contact with the lower wall of the cable tray trough, the lower support part 3 is provided with a downward protruding horizontal limiting part 4, the horizontal limiting part 4 can be snapped into the through hole in the lower wall of the cable tray trough, a copper block connecting part 6 is provided on one side of the plate body 1, the copper block connecting part 6 is connected to an integrated copper block 7, the integrated copper block 7 is used for connecting the equipment grounding wire and the grounding wire built into the trough.
[0026] Specifically, the other side of the plate 1 is provided with multiple support points 5. The support points 5 are semi-circular shapes formed by stamping. The support points 5 can make the plate 1 make point contact with the cable tray trough and form a gap between the two.
[0027] Specifically, the plate 1, upper support 2, lower support 3, horizontal limiting part 4, and copper block connecting part 6 are integrally formed, which facilitates manufacturing and reduces production costs. The plate 1 is made of galvanized sheet to improve the service life of the fasteners. The upper support 2 is a 90-degree folded edge formed by bending the top of the plate 1, and the lower support 3 is a 90-degree folded edge formed by bending the bottom of the plate 1. The horizontal limiting part 4 is a U-shaped protrusion formed by bending inside the lower support 3. The length and width of the U-shaped protrusion match the length and width of the through hole in the lower wall of the cable tray trough.
[0028] Specifically, the copper block connecting part 6 includes a pair of side limiting pieces 61 and a mounting hole 62. The pair of side limiting pieces 61 are mirror-set on the plate body 1 by stamping. The spacing between the pair of side limiting pieces 61 matches the width of the integrated copper block 7. The mounting hole 62 is opened on the plate body 1. The rear surface of the integrated copper block 7 is provided with a mounting threaded hole 74. By passing a screw through the mounting hole 62 and screwing it into the mounting threaded hole 74, the integrated copper block 7 can be fixed on the plate body 1. The pair of side limiting pieces 61 can prevent the integrated copper block 7 from rotating.
[0029] As an embodiment of the present invention, an inclined top slot 71 is provided above the integrated copper block 7, and multiple wire holes 72 are provided below the top slot 71 inside the integrated copper block 7. Fastening threaded holes 73 are provided on one side of the top slot 71 and the multiple wire holes 72 inside the integrated copper block 7.
[0030] Example 2: A bottom slot 75 is provided in the integrated copper block 7 below multiple wire holes 72. The bottom slot 75 is L-shaped. A fastening thread hole 73 is provided in the integrated copper block 7 on one side of the bottom slot 75.
[0031] Specifically, the integrated copper block 7 has a clearance groove 76.
[0032] The usage process of this utility model is as follows: During installation, first align the mounting threaded hole 74 on the integrated copper block 7 with the mounting hole 62 on the plate 1. Use screws to connect the integrated copper block 7 to the plate 1. Insert the plate 1 into the cable tray groove. Insert the upper support part 2 of the plate 1 into the folded edge at the upper end of one side wall of the cable tray groove. Then bend the plate 1 to push the horizontal limiting part 4 into the through hole in the lower wall of the cable tray groove. The lower support part 3, other than the horizontal limiting part 4, contacts the lower wall of the cable tray groove, forming a vertical and horizontal fixation. The tension generated by the yield strength of the body 1 is used to clamp it into the cable tray groove. The built-in grounding wire is placed into the top groove 71 or the bottom groove 75 according to the actual situation. The built-in grounding wire is pressed by screwing a flat-head set screw into the fastening threaded hole 73, thus completing the connection between the integrated copper block and the built-in grounding wire. After one end of the equipment grounding wire is inserted into the wire hole, the equipment grounding wire is pressed by screwing a flat-head set screw into the fastening threaded hole 73, thus forming the connection between the equipment grounding wire and the integrated copper block, thereby realizing the connection between the equipment grounding wire and the built-in grounding wire.
[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A clip-on integrated connection device for a cable tray grounding system, characterized in that, The plate includes a plate (1), an upper support part (2) is provided on one side of the top of the plate (1), the upper support part (2) can be inserted into the folded edge at the upper end of one side wall of the cable tray trough, a lower support part (3) is provided on one side of the bottom of the plate (1), the lower support part (3) is in contact with the lower wall of the cable tray trough, a downward protruding horizontal limiting part (4) is provided in the lower support part (3), the horizontal limiting part (4) can be inserted into the through hole in the lower wall of the cable tray trough, a copper block connecting part (6) is provided on one side of the plate (1), and an integrated copper block (7) is connected to the copper block connecting part (6).
2. The clip-on integrated connection device for a cable tray grounding system according to claim 1, characterized in that, The plate (1) has multiple support points (5) on the other side, and the support points (5) are semi-circles formed by stamping.
3. The clip-on integrated connection device for a cable tray grounding system according to claim 1, characterized in that, The plate (1), the upper support (2), the lower support (3), the horizontal limiting part (4), and the copper block connecting part (6) are integrally formed. The plate (1) is made of galvanized plate. The upper support (2) is a 90-degree folded edge formed by bending the top of the plate (1). The lower support (3) is a 90-degree folded edge formed by bending the bottom of the plate (1). The horizontal limiting part (4) is a U-shaped protrusion formed by bending inside the lower support (3).
4. The clip-on integrated connection device for a cable tray grounding system according to claim 1, characterized in that, The copper block connecting part (6) includes a pair of side limiting pieces (61) and a mounting hole (62). The pair of side limiting pieces (61) are mirror-mounted on the plate body (1) by stamping. The spacing between the pair of side limiting pieces (61) matches the width of the integrated copper block (7). The mounting hole (62) is opened on the plate body (1). The rear surface of the integrated copper block (7) is provided with a mounting thread hole (74).
5. The clip-on integrated connection device for a cable tray grounding system according to claim 1, characterized in that, An inclined top slot (71) is provided above the integrated copper block (7), and multiple wire holes (72) are provided below the top slot (71) inside the integrated copper block (7). Fastening threaded holes (73) are provided on one side of the top slot (71) and the multiple wire holes (72) inside the integrated copper block (7).
6. A clip-on integrated connection device for a cable tray grounding system according to claim 5, characterized in that, The integrated copper block (7) has a bottom slot (75) located below the plurality of wire holes (72), the bottom slot (75) is L-shaped, and the integrated copper block (7) has a fastening thread hole (73) located on one side of the bottom slot (75).
7. A clip-on integrated connection device for a cable tray grounding system according to claim 6, characterized in that, The integrated copper block (7) is provided with a clearance groove (76).