Cable shunt

Abstract

The utility model belongs to the electrical technical field, and specifically belongs to a cable shunt comprising a pedestal, the pedestal is provided with a wire placing groove and a conductive screw plate, an opening of the wire placing groove is provided with an arc-shaped groove, two sides of the conductive screw plate are provided with corresponding projections, the projections are inserted into the arc-shaped groove, and the arc-shaped groove and the conductive screw plate are connected with each other. Compared with a right-angle face, the arc-shaped face contact can reduce abrasion caused by sliding between the arc-shaped groove and the protrusion, the service life of the product is prolonged, meanwhile, the contact area is increased, sliding is smoother, and the stability of the product is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electricity, and particularly belongs to a cable shunt. Background Art

[0002] A cable is a device for transmitting electric energy or signals, usually composed of several or several groups of wires. When distributing electric power, a cable shunt is often used to shunt a cable, so as to transmit electric power from one cable to another cable and then to an electrical equipment.

[0003] Cable shunts are mainly applied to high-rise buildings, municipal facilities, bridges, tunnels and municipal lighting power supply systems. At present, the widely used connection methods in China are busbar connection, cable connection and piercing clamps; the busbar uses sectional connection, and there are many connection points, many potential accident hazards, high cost, large occupied space, complex installation and many spare parts; for cable connection, some need to cut the main cable, there are many breakpoints and many potential accident hazards, and the contact surface is small and easy to generate high temperature; the connection method of piercing clamps is that two sharp points are directly pressed on the main cable, the contact surface is small, and in the case of large current, it is easy to cause high temperature accidents and many potential accident hazards.

[0004] When the existing cable shunt connects the branch cable, it is necessary to first remove the insulation layer at the connection of the main cable and the end of the branch cable, then fix the metal conductors on the two of them through a conductive clamp, and finally place the conductive clamp on the insulating seat and pass the cable through the openings at both ends of the insulating seat to complete the connection. Content of the Utility Model

[0005] To solve the problems mentioned in the above background art, using an arc surface contact can reduce the wear caused by sliding between the arc groove and the protrusion compared with a right-angle surface, improve the service life of the product, and at the same time increase the contact area, making it smoother during sliding and improving the stability of the product.

[0006] The technical solution of the utility model: a cable shunt, including a base, the base is provided with a wire placement groove and a conductive screw plate, an arc groove is provided at the opening of the wire placement groove, and corresponding protrusions are provided on both sides of the conductive screw plate, and the protrusions are inserted into the arc groove.

[0007] Preferably, a U-shaped groove is provided in the wire placement groove, and a conductive clamp is inserted into the U-shaped groove. The conductive clamp is in a U shape and is used to place the main cable and the branch cable.

[0008] Preferably, a plurality of bolt holes are provided on the conductive screw plate, and conductive bolts are provided in the bolt holes.

[0009] Preferably, the base is an integral structure, the wire placement groove is used to place the main cable and the branch cable, and the material of the base is a copper material part.

[0010] Preferably, a voltage conducting plate is provided below the conductive bolt for pressing against the main cable and the branch cable.

[0011] Preferably, the conductive clip is made of a copper material piece.

[0012] Preferably, the base is made of an aluminum material piece.

[0013] Preferably, the voltage conducting plate has an arc-shaped surface.

[0014] Preferably, a plurality of first grooves are provided inside the conductive clip.

[0015] Preferably, a plurality of second grooves are provided inside the wire placement groove.

[0016] Compared with the prior art, the present utility model provides a cable splitter, having at least one of the following

[0017] Beneficial effects:

[0018] 1. Using arc-shaped surface contact can reduce the wear caused by sliding between the arc-shaped groove and the protrusion compared with a right-angled surface, improve the service life of the product, and at the same time increase the contact area, making it smoother during sliding and improving the stability of the product.

[0019] 2. Using a small-volume cable splitter, a split base or an integral base can be selected. The split base is provided with a conductive clip. The base is made of an aluminum material piece, and the conductive clip in contact with the cable is made of a copper material piece with good conductivity. Without increasing the volume, the material cost can be reduced, and the use performance of the product is not affected. The conductive clip and the base are detachably connected, facilitating subsequent replacement of the conductive clip and improving the practicality of the product; the integral base is made of a copper material piece, which can reduce the number of parts used and improve the stability of the product.

[0020] 3. A plurality of grooves are provided in the conductive clip or the wire placement groove in contact with the cable, which can increase the contact area with the cable, improve the electrical conductivity, and at the same time increase the crimping strength between it and the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings described herein are used to provide a further understanding of the present application and form a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation of the present application. In the drawings:

[0022] Figure 1 is a perspective view of an embodiment of the present utility model.

[0023] Figure 2 is a perspective view of the base of an embodiment of the present utility model.

[0024] Figure 3This is a three-dimensional view of the voltage-conducting piece in the embodiment of the present utility model.

[0025] Figure 4 This is a three-dimensional view of the integrated base in the embodiment of the present utility model.

[0026] Reference numerals

[0027] 1 - Base; 2 - Wire placement groove; 21 - Arc groove; 22 - U-shaped groove; 23 - Second groove; 3 - Conductive screw plate; 31 - Protrusion; 32 - Bolt hole; 4 - Conductive clamp; 41 - First groove; 5 - Conductive bolt; 51 - Voltage-conducting piece Detailed implementation manners

[0028] Next, the technical solutions of the present utility model will be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model.

[0029] Generally, the components of the embodiments of the present utility model described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the claimed present utility model, but merely represents selected embodiments of the present utility model.

[0030] All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0031] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0032] It should be noted that the term "comprising", "including" or any other variation thereof is intended to cover a non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] As shown Figures 1 to 3 in the figure, it includes a base 1. The base 1 is provided with a wire placement groove 2 and a conductive screw plate 3. An arc groove 21 is provided at the opening of the wire placement groove 2. Corresponding protrusions 31 are provided on both sides of the conductive screw plate 3, and the protrusions 31 are inserted into the arc groove 21. Using arc surface contact can reduce the wear caused by sliding between the arc groove 21 and the protrusions 31 compared to a right-angle surface. At the same time, it increases the contact area and is smoother when sliding. A U-shaped groove 22 is provided in the wire placement groove 2, and a conductive clip 4 is inserted into the U-shaped groove 22. The conductive clip 4 is U-shaped and is used to place the main cable and branch cables. A plurality of bolt holes 32 are provided on the conductive screw plate 3, and conductive bolts 5 are provided in the bolt holes 32.

[0034] As shown Figure 1 in the figure, a voltage-conducting pressure plate 51 is provided below the conductive bolt 5 and is used to press against the main cable and branch cables. By rotating the conductive bolt 5 to abut against the voltage-conducting pressure plate 51, the tightness of the crimped cable can be adjusted. The material of the conductive clip 4 is a copper material part. The material of the base 1 is an aluminum material part. A small-volume cable shunt is adopted, and the voltage-conducting pressure plate 51 is an arc surface, thereby increasing the contact area between the voltage-conducting pressure plate 51 and the cable and improving the stability of the product. A plurality of first grooves 41 are provided in the conductive clip 4. A plurality of second grooves 23 are provided in the wire placement groove 2. Setting a plurality of grooves 23 can increase its contact area with the cable, improve the electrical conductivity while increasing the crimping strength between it and the cable. As shown Figure 4 in the figure, the base 1 is an integral structure. The wire placement groove 2 of the base 1 is used to place the main cable and branch cables. The material of the base is a copper material part. A split base or an integral base can be selected. The split base 1 is provided with a conductive clip 4. The base 1 is made of an aluminum material part, and the conductive clip 4 in contact with the cable is made of a copper material part with good conductivity. Without increasing the volume, the material cost can be reduced and the use performance of the product is not affected. The conductive clip 4 and the base 1 are detachably connected, which is convenient for subsequent replacement of the conductive clip 4 and improves the practicability of the product. The material of the integral base 1 is a copper material part, which can reduce the use of parts and improve the stability of the product.

[0035] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Claims

1. A cable splitter, characterized in that: The utility model comprises a base, wherein the base is provided with a wire groove and a conductive screw plate, an arc groove is provided at the opening of the wire groove, and corresponding protrusions are provided at both sides of the conductive screw plate, and the protrusions are plugged into the arc groove.

2. A cable splitter as claimed in claim 1, characterized in that: A U-shaped groove is provided in the wire trough, and a conductive clip is inserted in the U-shaped groove. The conductive clip is U-shaped and is used to place main cables and branch cables.

3. A cable splitter as claimed in claim 1, characterized in that: The conductive screw plate is provided with a plurality of bolt holes, and conductive bolts are arranged in the bolt holes.

4. A cable splitter as claimed in claim 1, characterized in that: The base is an integrated structure, the wire trough is used to place the main cable and the branch cable, and the base is made of copper material.

5. A cable splitter as claimed in claim 3, characterized in that: A conductive pressure plate is provided under the conductive bolt to press the main cable and the branch cable.

6. A cable splitter as claimed in claim 2, characterized in that: The conductive clip is made of copper.

7. A cable splitter as claimed in claim 1, characterized in that: The base is made of aluminum.

8. A cable splitter as claimed in claim 5, characterized in that: The conductive voltage plate is an arc-shaped surface.

9. A cable splitter as claimed in claim 2, characterized in that: A plurality of first grooves are arranged in the conductive clip.

10. A cable splitter as claimed in claim 4, characterized in that: A plurality of second grooves are arranged in the wire placement groove.

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