CN201562922U - Wire clip - Google Patents

Abstract

The utility model relates to a technical field of electric power engineering utensil refers in particular to a fastener that is used for electric power engineering system to built on stilts branch installation of cable. The cable clamp comprises clamp bodies which are involutory up and down, wherein two notches are respectively arranged on the two clamp bodies, when the cable clamp is implemented, the upper notch and the lower notch are spliced to form a cable clamping notch so as to clamp a cable, the two clamp systems are formed by compounding an insulating layer coated outside an inner conductor, and the inner conductor is partially exposed on the inner side surface of the corresponding notch; the two notches are also movably connected with a puncture device, and the puncture device is electrically connected with the exposed part of the inner conductor. The clamp system of the utility model is formed by compounding the inner conductor and the outer insulating layer, has good insulativity, good moisture resistance, water resistance and corrosion resistance, and effectively prolongs the service life; the inner conductor is used for conducting conductive connection of the main line and the branch line, the conductive surface is large, the electric transmission performance is improved, the puncture device is movably assembled, and the puncture device has the advantages of replaceability, wide application range, convenience and quickness in installation and use, and high working efficiency.

Description

a wire clamp

Technical field:

The utility model relates to the technical field of electric engineering appliances, in particular to a clamp used for installing overhead branches of cables in electric engineering systems.

Background technique:

The cable clip is a device for quick connection of cables, and it is the most ideal outdoor electrical appliance for overhead cables. The traditional wire clip includes a clip body that fits up and down, and two gaps are respectively arranged on the two clip bodies. During implementation, the upper and lower gaps are combined into a clamping notch, and the two clamping bodies are connected by corresponding bolts to clamp the cables to achieve the connection between the main line and the branch line. In the prior art, the clamp body is generally made of metal, which has poor moisture resistance, water resistance and corrosion resistance when used, is prone to accidents, and has a short service life. At the same time, the cables need to be peeled and connected, and the operation is cumbersome; The clamp body of the shell is connected by puncture, and the conductive connection between the main line and the branch line is carried out by using the stab piece. The conductive surface is small, the electrical transmission performance is not good, and the work of the power system is affected, and the stab piece is connected with the insulating shell as a whole. It is not adjustable, so it is limited to the use of wire rods of a certain specification, so it needs further improvement.

In view of the lack and inconvenience of the above-mentioned conventional wire clamps, the applicant has developed a new and practical wire clamp with the spirit of research, innovation and excellence, using his professional vision and professional knowledge.

Utility model content:

The purpose of the utility model is to provide a simple structure, easy to use, and has good moisture resistance, water resistance and corrosion resistance.

Another object of the present utility model is to provide a cable clamp that can be used in the occasions of peeling or not peeling, and can be used for connecting cables of various specifications and sizes.

In order to achieve the above object, the utility model adopts the following technical solutions:

A wire clamp is a device used for installing cable branches in a power engineering system. It includes a clamp body that fits up and down. Two gaps are provided on each of the two clamp bodies. When implemented, the upper and lower gaps are combined into a clamping slot to hold the cable. The two-clip system is composed of an inner conductor and an outer insulating layer, and the inner conductor is partially exposed on the inner surface of the corresponding gap.

A piercing device is also flexibly connected in the two gaps, and the piercing device is conductively connected with the exposed part of the inner conductor. The piercing device is provided with several mounting pins, and the exposed part of the inner conductor is provided with jacks, and the pins are correspondingly inserted into the jacks for installation.

The inner conductor and the insulating layer are integrally connected by injection molding, and a positioning groove and a positioning protrusion are provided on the mating surface of the two clips to coordinate with each other.

The piercing device is strip-shaped, including a strip seat and a set of piercing teeth, and the pin is arranged on the back side of the strip seat, opposite to the piercing teeth; the exposed part of the inner conductor is lower than the inner surface of the corresponding gap, forming The puncture device is in the shape of a groove, and the shape and size of the strip seat are consistent with the groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. The clip system is composed of an inner conductor and an outer insulating layer, which has good insulation, good moisture resistance, water resistance and corrosion resistance, and effectively improves the service life.

2. The conductive connection between the main line and the branch line is carried out by the inner conductor. Its conductive surface is large, the electrical transmission performance is improved, and the work of the power system is promoted.

3. The puncture device is movable and removable, and the puncture device of the corresponding specification can be installed according to the actual cable diameter, so it is suitable for the connection of cables of various specifications and sizes, which has higher practicability and saves the cost of use.

4. The piercing device can be assembled in a movable manner, and can also be disassembled to be used in the occasion of peeling, especially for bare wires, with good flexibility.

5. The specifications and shapes of the clip body can be varied, and the structure is good, and it is equipped with a corresponding positioning assembly structure, which is convenient and fast to assemble and improves work efficiency.

Description of drawings:

Accompanying drawing 1 is the combined structure schematic diagram of the present utility model;

Accompanying drawing 2 is the three-dimensional exploded schematic view of the utility model;

Accompanying drawing 3, 4 are the assembly diagrams of partial structure of the utility model.

Detailed ways:

In order to enable the review committee to have a further understanding of the purpose, features and functions of the present utility model, the preferred embodiments are hereby given in detail with the accompanying drawings as follows:

Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, which are structural schematic diagrams of a preferred embodiment of the present utility model. This utility model relates to a cable clamp used for installing cable branches in power engineering systems , comprising clamp bodies 10, 20 that fit up and down, two gaps 11, 21 are respectively provided on the two clamp bodies 10, 20, during implementation, the upper and lower gaps are combined into clamping notches to clamp the cable, and the clamp body 10 , The middle part of 20 is provided with bolt mounting holes 14,24. The two clips 10, 20 are compositely formed by the inner conductor 12, 22 and the insulating layer 13, 23, and are connected into one body by injection molding, that is, the insulating layer 13, 23 wraps the inner conductor 12, 22, and the inner conductor 12 , 22 are partially exposed on the inner surfaces of the corresponding notches 11, 21 for conductive connection.

A piercing device 30 is movably connected in the two gaps 11 , 21 , and the piercing device 30 is conductively connected with the exposed parts 121 , 221 of the inner conductors 12 , 22 . The piercing device 30 is provided with several installation pins 31 , and the exposed parts 121 , 221 of the inner conductor are provided with jacks 122 , 222 , and the pins 31 are correspondingly inserted into the jacks 122 , 222 for installation. As shown in Figures 3 and 4, in this embodiment, the piercing device 30 is elongated, made of conductive material, and includes a strip seat 32 and an array of piercing teeth 33. The latch 31 is located on the back side of the strip seat 32, and The piercing teeth 33 face oppositely; the exposed parts 121, 221 of the inner conductor are lower than the inner surface of the corresponding notch, so that this part forms a concave groove shape, closed on all sides, and the piercing device 30 is accommodated inside. The shape of the strip seat 32 , The size is just consistent with the groove, so that the puncture device 30 is embedded stably and is not easy to get loose, and there are glue positions to cover the front, rear, left, and right sides, so that it is not exposed, can prevent leakage, has good safety, and is convenient for safe operation. After the strip seat 32 is assembled, it can be connected with the inner surface of the corresponding notch to form a circular arc surface, and the piercing teeth 33 are convex inward, and the clamping line is more stable, which is beneficial to the piercing connection.

As shown in Figures 3 and 4, multiple groups of piercing teeth 33 are arranged at intervals on the strip seat 32, and are manufactured by integral molding, which has good structure, convenient assembly, and is also conducive to conductive connection.

During implementation, the two clamping bodies 10, 20 are matched, and the clamping notches formed by the upper and lower gaps are respectively clamped to the main line and the branch line, and then the bolts are tightened to tighten the two clamping bodies 10, 20. At this time, the two gaps 11, 21 are installed The piercing teeth 33 on the piercing device pierce into the main line and the branch line respectively, connect the metal wires in the main line and the branch line, and realize the conduction of the main line and the branch line through the inner conductors 12, 22, that is, reach the cable branch connection. The inner conductors 12 and 22 are used to conduct conductive connection between the main line and the branch line, the conductive surface is large, the electrical transmission performance is improved, and the work of the power system is promoted. In the present utility model, the piercing device 30 is assembled movablely and has the ability to be disassembled. The piercing device of corresponding specifications can be installed according to the actual cable diameter, so it can be used for connecting cables of various specifications and sizes, and has higher practicability and economical use. cost.

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the utility model is also provided with a positioning groove and a positioning protrusion cooperating with each other on the mating surface of the two clamp bodies 10, 20. Among the figures, on the upper clamp body The middle part and both sides of 10 are provided with positioning grooves 15, and the middle part and both sides of the lower clip body 20 are provided with corresponding positioning protrusions 25, which are fitted and positioned by the positioning grooves and positioning protrusions, which are convenient and fast to assemble and improve work efficiency .

Of course, during implementation, the piercing device 30 can also be removed, and a conductive filling body can be properly embedded in the corresponding groove, that is, on the inner surface of the gap of the exposed part 121, 221 of the effective extension inner conductor, which can be applied to It is used in the occasion of stripping. At this time, the insulation cover of the cable can be stripped off, and the two clip bodies 10, 20 are clamped together, and the exposed parts 121, 221 of the inner conductor can also be connected to the main line and the branch line to realize the main line. The conduction with the branch line is to achieve the branch connection of the cable. This implementation is especially suitable for bare wires, and it is more convenient to use and has good flexibility.

The utility model has good moisture resistance, water resistance and corrosion resistance, prolongs the service life of insulated wires and wire clamps, and is suitable for branch connection of insulated cables in building power distribution systems, connection of low-voltage overhead insulated cables, and connection of high-altitude high-voltage cables , Low-voltage insulated household cable branch connection, street lamp power distribution system, ordinary cable on-site branch connection, underground power grid cable connection, grass flower bed lighting line connection, etc. Of course, the above embodiments are only preferred implementation modes of the present utility model, and are not intended to limit the implementation scope of the present utility model. Therefore, all equivalent changes or modifications made according to the principles of the present utility model should be covered by the utility model. within the scope of protection.

Claims (6)

1. A wire clamp is an appliance used for the installation of cable branches in power engineering systems, comprising clamp bodies (10, 20) that fit up and down, and two gaps (10, 20) are respectively provided on the two clamp bodies ( 11, 21), during implementation, the upper and lower gaps are combined into a clamping notch to clamp the cable, and it is characterized in that: the two clamping bodies (10, 20) are made of an inner conductor (12, 22) and an insulating layer (13 , 23) are compositely formed, and the inner conductors (12, 22) are partially exposed on the inner surfaces of the corresponding notches (11, 21). 2. A wire clamp according to claim 1, characterized in that: a piercing device (30) is movably connected in the two gaps (11, 21), and the piercing device (30) is connected to the inner conductor (12, 21). 22) exposed parts (121, 221) are conductively connected. 3. A wire clamp according to claim 2, characterized in that: the piercing device (30) is provided with a mounting pin (31), and the exposed part (121, 221) of the inner conductor is provided with a socket (122, 222), the corresponding insertion jack (122,222) of latch (31) is installed. 4. A wire clip according to claim 1, characterized in that: the inner conductor (12, 22) and the insulating layer (13, 23) are integrally connected by injection molding. 5. A wire clip according to claim 1, characterized in that: a positioning groove and a positioning protrusion are provided on the mating surfaces of the two clip bodies (10, 20) to coordinate with each other. 6. A wire clip according to claim 2 or 3, characterized in that: the piercing device (30) is elongated, including a strip seat (32) and a set of piercing teeth (33), the pin (31) Located on the back side of the strip seat (32); the exposed part (121, 221) of the inner conductor is lower than the inner surface of the corresponding notch, so that this part forms a concave groove shape, and the puncture device (30) is then accommodated inside.

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