CN216529414U

CN216529414U - Can dismantle reuse's wiring copper nose annealed copper wire connecting device

Info

Publication number: CN216529414U
Application number: CN202123441224.0U
Authority: CN
Inventors: 程子豪; 康宇佳; 范腾飞; 张擎; 武辰; 刘国智; 廉晶; 王超
Original assignee: State Grid Corp of China SGCC; State Grid Beijing Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Beijing Electric Power Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-13
Anticipated expiration: 2031-12-31

Abstract

The utility model belongs to the technical field of power wiring equipment, and particularly relates to a detachable and reusable wiring copper nose soft copper wire connecting device, which comprises: the cone nut, the wire connecting nose and the connecting pressing sheet; the conical nut is in threaded connection with the wiring nose; the connecting pressing sheet is fixedly connected with the wiring nose, and a plurality of gradually widened separation seams are arranged on the wiring nose along the axial direction. The detachable and reusable wiring copper nose is adopted, when the wiring copper nose is replaced when the strand of the grounding wire is broken, the wiring copper nose and the soft copper wire of the broken strand do not need to be cut off, the new wiring copper nose is replaced by crimping, only the broken strand part needs to be removed, and the trimmed soft copper wire is inserted, so that the use cost is greatly reduced.

Description

Can dismantle reuse's wiring copper nose annealed copper wire connecting device

Technical Field

The utility model belongs to the technical field of power wiring equipment, and particularly relates to a detachable and reusable wiring copper nose soft copper wire connecting device.

Background

The high-voltage grounding wire is very important in electrician work and is an important measure for ensuring personal and equipment safety. The annealed copper wire at the connection part of the wiring copper nose and the annealed copper wire is easy to strain and strand, the maintenance efficiency is low, the use cost is high, and the safety management risk is increased.

In the prior art, the wiring copper lug and the broken strand annealed copper wire are usually cut off, and a new wiring copper lug is replaced by crimping, so that the replacement efficiency is low, and the use cost is high.

Prevent the sheath protection annealed copper line at current wiring copper nose technical use, however in actual operation, because the influence of operational environment and use reason, prevent that the sheath of breaking does not solve the annealed copper line broken end problem, and damage the back because the difficult discovery annealed copper line that breaks of sheltering from of sheath produces the potential safety hazard. Thus, there is a higher security management risk.

When the wiring copper lug is replaced, the wiring copper lug and the broken strand annealed copper wire are cut off, and a new wiring copper lug is replaced by crimping, so that the wiring copper lug is replaced with higher cost. But in actual operation, manufacturers use oxygen-free copper to replace red copper, and slow down the strain oxidation of the copper wire by improving the ductility and the durability, but the cost is high and the problem of easy strain caused by repeated bending when the connecting part of the connecting copper nose and the soft copper wire is used and stored is not fundamentally solved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a detachable and reusable connecting device for a connecting copper lug and a soft copper wire, so as to solve the problem that when the connecting copper lug is replaced, the connecting copper lug and a broken strand of soft copper wire are cut off, and a new connecting copper lug is replaced by crimping, so that the cost for replacing the connecting copper lug is high.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a detachable and reusable connecting device for a wiring copper nose soft copper wire, which comprises: the cone nut, the wire connecting nose and the connecting pressing sheet; the conical nut is in threaded connection with the wiring nose; the connecting pressing sheet is fixedly connected with the wiring nose, and a plurality of gradually widened separation seams are arranged on the wiring nose along the axial direction.

Further, the cone nut comprises a cone section and a cylinder section; the frustum section is fixedly connected with the cylindrical section, and the inner wall of the cylindrical section is provided with an internal thread.

Furthermore, one end, far away from the connecting pressing piece, of the wiring nose is a smooth hollow cylinder, and threads meshed with the internal threads of the cylinder section are arranged on the surface of one end, close to the connecting pressing piece, of the wiring nose.

Furthermore, the width of one end, close to the connecting pressing piece, of the separation seam is larger than that of the end, far away from the connecting pressing piece, of the separation seam, and the included angle of the separation seam is smaller than 5 degrees.

Further, the connecting pressing sheet comprises a transition section connected with the wire connecting nose and a horizontal section far away from the wire connecting nose; the transition section is fixedly connected with the horizontal section.

Furthermore, the section of one end of the transition section is the same as that of the wire connecting nose, and the section of the other end of the transition section is the same as that of the horizontal section.

Furthermore, the horizontal section is connected with the wiring lug in a smooth transition mode through the transition section.

Further, the cone nut is made of stainless steel materials.

Furthermore, the wiring nose is made of red copper material; the connecting pressing sheet is made of red copper materials.

Furthermore, one side of the separation seam, which is close to the connecting pressing sheet, is connected with an arc-shaped opening.

The utility model has at least the following beneficial effects:

1. the detachable and reusable wiring copper nose is adopted, when the wiring copper nose is replaced when the strand of the grounding wire is broken, the wiring copper nose and the soft copper wire of the broken strand do not need to be cut off, the new wiring copper nose is replaced by crimping, only the broken strand part needs to be removed, and the trimmed soft copper wire is inserted, so that the use cost is greatly reduced.

2. According to the utility model, the connection between the annealed copper wire and the copper lug is realized through the connection structure of the cone nut and the wiring lug, so that the broken strand of the grounding wire can be more easily found, the personal safety and the equipment safety are ensured, and the safety risk is reduced.

3. According to the utility model, through the connection structure of the cone nut and the wiring lug, the replacement can be realized without using tools, and the operation is more convenient and faster than that in the prior art.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are included to illustrate an exemplary embodiment of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of a detachable and reusable connecting device for a copper wire with a copper lug and a soft copper wire, according to the present invention;

FIG. 2 is a schematic view of a specific structure of the conical nut of the present invention;

FIG. 3 is a schematic view of a specific structure of the connection lug of the present invention;

FIG. 4 is a schematic view of a specific structure of a connecting pad of the present invention;

FIG. 5 is a schematic connection diagram of a detachable and reusable connecting device for connecting copper lug and annealed copper wire according to the present invention.

Reference numerals: 1. a cone nut; 11. a frustum section; 12. a cylindrical section; 2. a wire connecting nose; 21. separating the seams; 3. connecting the pressing sheets; 31. a transition section; 32. a horizontal segment.

Detailed Description

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The following detailed description is exemplary in nature and is intended to provide further details of the utility model. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model.

Example 1

As shown in fig. 1-4, a detachable and reusable connecting device for copper wire with copper lug and soft copper wire comprises: the wire connector comprises a conical nut 1 made of stainless steel materials, a wiring nose 2 made of red copper materials and a connecting pressing sheet 3; the cone nut 1 is connected on the wiring nose 2 in a threaded manner; the connecting pressing sheet 3 is fixedly connected with the wiring nose 2; the wire connecting nose 2 is provided with a plurality of gradually widened separation slits 21 in the axial direction, and the diameter of the wire connecting nose 2 can be adjusted by adjusting the width of the separation slits 21.

The cone nut 1 comprises a cone section 11 and a cylinder section 12; frustum section 11 and cylinder section 12 fixed connection, frustum section 11 are used for controlling the diameter of wiring nose 2, and the inner wall of cylinder section 12 is equipped with the internal thread.

The end of the wire connecting nose 2 far away from the connecting pressing plate 3 is a smooth hollow cylinder, and the surface of the end of the wire connecting nose 2 near the connecting pressing plate 3 is provided with threads meshed with the internal threads of the cylinder section 12.

The width of the end of the separation slit 21 close to the connecting pressing piece 3 is larger than that of the end far from the connecting pressing piece 3, and the included angle of the separation slit 21 is less than 5 degrees. The connecting pressing sheet 3 comprises a transition section 31 connected with the wire connecting nose 2 and a horizontal section 32 far away from the wire connecting nose 2; the transition section 31 is fixedly connected with the horizontal section 32. The section of one end of the transition section 31 is the same as that of the wiring lug 2, and the section of the other end of the transition section 31 is the same as that of the horizontal section 32; the horizontal section 32 is connected with the connection lug 2 in a smooth transition manner through the transition section 31.

The soft copper wire is fastened by screwing in and screwing out the cone nut 1 on the wiring lug 2; the connection pad 3 is connected to an electrical apparatus.

One side of the separation seam 21 close to the connecting pressing sheet 3 is connected with an arc-shaped opening, stress concentration can be avoided through the arc-shaped opening, the elasticity of the wiring nose 2 can be increased, and the annealed copper wire can be better clamped.

Example 2

As shown in fig. 5, a method for using a detachable and reusable wiring copper nose soft copper wire connecting device comprises the following steps:

(1) when the connecting device of the wiring copper nose annealed copper wire is disassembled, the conical nut 1 is loosened, and the damaged copper wire is pulled out;

(2) when the wiring copper nose annealed copper wire connecting device is installed, the trimmed annealed copper wire is inserted, the conical nut 1 is screwed, and the diameter of the wiring nose 2 is adjusted, so that the separation gap 21 is narrowed to compress the annealed copper wire.

It will be appreciated by those skilled in the art that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the utility model are intended to be embraced therein.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the utility model without departing from the spirit and scope of the utility model, which is to be covered by the claims.

Claims

1. The utility model provides a can dismantle reuse's wiring copper nose annealed copper wire connecting device which characterized in that includes: the wire connecting device comprises a conical nut (1), a wire connecting nose (2) and a connecting pressing sheet (3); the cone nut (1) is connected to the wiring nose (2) in a threaded manner; the connecting pressing sheet (3) is fixedly connected with the wiring nose (2), and a plurality of gradually widened separation seams (21) are arranged on the wiring nose (2) along the axial direction.

2. The detachable and reusable wiring lug soft copper wire connection device according to claim 1, wherein the cone nut (1) comprises a cone section (11) and a cylinder section (12); the frustum section (11) is fixedly connected with the cylindrical section (12), and an internal thread is arranged on the inner wall of the cylindrical section (12).

3. The detachable and reusable wiring copper lug soft copper wire connecting device according to claim 2, characterized in that the end of the wiring lug (2) far away from the connecting pressing plate (3) is a smooth hollow cylinder, and the surface of the end of the wiring lug (2) near the connecting pressing plate (3) is provided with a thread engaged with the internal thread of the cylindrical section (12).

4. A detachable and reusable wiring copper lug and annealed copper wire connecting device according to claim 3, characterized in that the width of said separating slit (21) at the end close to the connecting pad (3) is larger than the width at the end far from the connecting pad (3), and the included angle of said separating slit (21) is less than 5 °.

5. The detachable and reusable wiring lug soft copper wire connecting device according to claim 3, wherein the connecting pressing piece (3) comprises a transition section (31) for connecting the wiring lug (2) and a horizontal section (32) far away from the wiring lug (2); the transition section (31) is fixedly connected with the horizontal section (32).

6. A detachable and reusable wiring lug soft copper wire connection device according to claim 5, characterized in that the cross section of one end of the transition section (31) is the same as the cross section of the wiring lug (2), and the cross section of the other end of the transition section (31) is the same as the cross section of the horizontal section (32).

7. A detachable reusable wiring lug soft copper wire connection device according to claim 5, characterized in that said horizontal section (32) is smoothly transitionally connected with the wiring lug (2) by a transition section (31).

8. The detachable and reusable wiring copper lug soft copper wire connection device according to claim 1, characterized in that the taper nut (1) is made of stainless steel material.

9. The detachable and reusable wiring copper lug soft copper wire connecting device according to claim 1, characterized in that the wiring lug (2) is made of red copper material; the connecting pressing sheet (3) is made of red copper material.

10. The detachable and reusable connecting device for copper wires with copper lugs and soft copper wires as claimed in claim 1, wherein an arc-shaped opening is connected to the side of the separating slit (21) close to the connecting pressing piece (3).