CN212277414U

CN212277414U - Precession broken skin formula binding clip with safe type insulating bolt

Info

Publication number: CN212277414U
Application number: CN202020939580.1U
Authority: CN
Inventors: 张炜; 刘惺惺; 畅伟; 潘建乔; 张凯俊; 傅晓平; 李南; 吴昱德; 葛俊杰; 朱赟; 郭松; 沈嘉平; 陆佳晨; 岳建通; 张峰; 杨元韬; 任雯倩; 朱程浩; 邵卜琳娜
Original assignee: Jiaxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd; Pinghu Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Current assignee: Jiaxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd; Pinghu Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-01-01
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a precession broken skin formula binding clip with safe type insulating bolt, including first clamp splice and second clamp splice, be provided with first wire clamping groove on the first clamp splice, be provided with the second wire clamping groove corresponding with first wire clamping groove on the second clamp splice, be provided with the post hole corresponding with first wire clamping groove on the first clamp splice, one end of post hole link up the surface of first wire clamping groove, be provided with the internal thread sleeve in the post hole, threaded connection has broken skin bolt in the internal thread sleeve, be provided with the cutting part that is used for cutting the wire crust on one end face of broken skin bolt, be provided with the slot on the other end face, the detachable insulating twist grip is inserted to the slot; the first clamping block is also provided with a wire connecting cylinder corresponding to the internal thread sleeve, and the internal thread sleeve is connected with the wire connecting cylinder through a conductive connecting part. The utility model discloses a mode of cutting broken skin can reach good broken skin effect, has avoided the problem that thread and branch line can't switch on.

Description

Precession broken skin formula binding clip with safe type insulating bolt

Technical Field

The utility model relates to a binding clip, in particular to precession broken skin formula binding clip with safe type insulating bolt.

Background

Distribution lines typically use insulated cables for the distribution of electrical power. Due to the change of user distribution and load in the distribution network, the distribution network is subject to line upgrading and reconstruction. Distribution equipment in a distribution network typically has a designed age and requires replacement, such as meter replacement, after the age has been reached. In the past, when a branch line is connected or a meter is replaced, the power-off operation is needed. The puncture fastener can connect the branch line with electricity, and the very big upgrading of having made things convenient for the distribution network on a small scale is reformed transform in the construction. Make a large amount of constructions that need the outage to go on, can both design and accomplish the construction scheme under the uninterrupted power with the help of the puncture fastener. The existing puncture wire clamp generally comprises an upper shell and a lower shell which are connected through a connecting bolt, the upper shell and the lower shell are respectively provided with an upper puncture blade and a lower puncture blade which can puncture and conduct a main wire and a branch wire, and when the puncture wire clamp is used, the upper puncture blade and the lower puncture blade puncture the outer skin of a lead and are contacted with a metal part in the lead by screwing the connecting bolt, so that the purpose of communicating the main wire and the branch wire is realized. However, when the puncture wire clamp is used, the puncture effect of the puncture blade is not ideal, and when the sheath of the lead is thick or the toughness of the sheath of the lead is strong, the puncture blade is easy to bend, and often cannot effectively puncture the guiding sheath, so that the main line and the branch line cannot be conducted.

Such as: the invention discloses a Chinese patent publication No. CN103956589B, which discloses an insulation piercing connector, comprising an upper shell and a lower shell, wherein the upper shell and the lower shell are respectively provided with an upper piercing blade and a lower piercing blade which can pierce and conduct a main line and a branch line, the upper shell and the lower shell are connected through bolts and nuts, the lower shell is connected with a steel wire frame, and the top of the steel wire frame and the lower part of the upper shell are connected with steel wires. The utility model discloses a when using, make upper and lower puncture blade puncture the crust of wire and with the metal part contact in the wire through screwing up bolt and nut, realize the purpose with thread and branch line intercommunication. However, when the puncture wire clamp is actually used, the puncture effect of the puncture blade is not good, and when the sheath of the lead is thick or the toughness of the sheath of the lead is strong, the puncture blade is easy to bend, so that the sheath of the lead cannot be effectively punctured, and the main line and the branch line cannot be conducted.

Disclosure of Invention

The utility model aims at solving current puncture fastener when in-service use, the puncture effect of puncture blade is not good, and when the crust of wire was thicker or wire crust toughness was stronger, the puncture blade often can't effectively puncture the crust of wire, leads to the problem that thread and branch line can't switch on, provides a precession formula binding clip that breaks skin with safe type insulating bolt, can effectively solve above-mentioned problem.

The utility model aims at providing a precession broken skin formula binding clip with safe type insulating bolt that realizes through following technical scheme, including first clamp splice and second clamp splice, be provided with first wire clamping groove on the first clamp splice, be provided with the second wire clamping groove corresponding with first wire clamping groove on the second clamp splice, link to each other through connecting bolt between first clamp splice and the second clamp splice, be provided with the post hole corresponding with first wire clamping groove on the first clamp splice, one end of post hole link up the surface of first wire clamping groove, be provided with the internal thread sleeve in the post hole, threaded connection has broken skin bolt in the internal thread sleeve, be provided with the cutting part that is used for cutting the wire crust on the terminal surface of broken skin bolt, be provided with the slot on the other terminal surface, the insulating handle of twisting of detachable is inserted to the slot; the first clamping block is also provided with a wire connecting cylinder corresponding to the internal thread sleeve, and the internal thread sleeve is connected with the wire connecting cylinder through a conductive connecting part.

The utility model discloses in, insert first wire clamping groove and second wire clamping groove with electrified thread in the middle of, then screw up connecting bolt, press from both sides the thread tightly, it is fixed in inserting a wiring section of thick bamboo with branch line one end, then it is rotatory that the handle is twisted to rotatory insulation, broken skin bolt is at rotatory in-process, both removed towards the direction of thread, the rotation that continues again, the cutting portion that is located on its terminal surface this moment is along with broken skin bolt synchronous revolution, the cutting portion is when rotatory, can cut the crust of thread, cut through until the crust with the thread, then broken skin bolt just can contact with the metal part in the main line, just so can switch on thread and branch line. The insulating handle of twisting is made by insulating material, has avoided the operator to take place the risk of electrocuteeing, has guaranteed operator's safety. The utility model discloses a mode of the broken skin of cutting is compared the traditional mode of the broken skin that utilizes the puncture blade to pierce through, the utility model discloses a broken skin effect is better, and when the crust of thread is thicker or wire crust toughness is stronger, the cutting portion also can carry out effectual cutting to the crust of wire to reach good broken skin effect, avoided the unable problem that switches on of thread and branch line.

Preferably, the cutting part is a plurality of cutting edges arranged on the end face of the skin breaking bolt.

Preferably, the cutting edges are arranged in an annular array on the end face of the splitting bolt. The number of cutting edges may be determined according to actual requirements.

Preferably, the insulating twist handle comprises an inserting rod matched with the inserting groove and a handle body arranged at one end of the inserting rod.

Preferably, the bottom of slot is provided with first magnet, and the one end of keeping away from the handle body on the inserted bar is provided with the second magnet with first magnet complex. When the inserted bar is inserted into the slot, the second magnet arranged at one end of the inserted bar is mutually attracted with the first magnet arranged at the bottom of the slot, so that the insulating screwing handle can be stably connected into the slot.

Preferably, the cross sections of the slots and the insertion rods are the same and are polygonal.

Preferably, the insulating twist grip is made of phenolic plastic. The phenolic plastic has good insulating property, and the use safety of operators is effectively ensured.

The utility model has the advantages that: the utility model discloses a mode of the broken skin of cutting is compared the traditional mode of the broken skin that utilizes the puncture blade to pierce through, the utility model discloses a broken skin effect is better, and when the crust of thread is thicker or wire crust toughness is stronger, the cutting portion also can carry out effectual cutting to the crust of wire to reach good broken skin effect, avoided the unable problem that switches on of thread and branch line.

Drawings

Fig. 1 is a sectional view of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of the cutting portion.

In the figure: 1. the wire connecting structure comprises a first clamping block, a second clamping block, a connecting bolt, a first wire clamping groove, a second wire clamping groove, a 6 column hole, a 7 internal thread sleeve, a 8 skin breaking bolt, a 9 insulating screwing handle, a 10 groove body, a 11 connecting cylinder, a 12 first magnet, a 13 second magnet, a 14 cutting edge.

Detailed Description

The invention will be further described with reference to the following detailed description and accompanying drawings.

Example 1:

as shown in fig. 1 to 2, a screw-in and skin-breaking type jointing clamp with a safety type insulating bolt comprises a first clamping block 1 and a second clamping block 2, wherein the first clamping block 1 and the second clamping block 2 are both made of insulating materials. The first clamping block 1 is provided with a first clamping groove 4, and the second clamping block 2 is provided with a second clamping groove 5 corresponding to the first clamping groove 4. The first clamping block 1 is connected with the second clamping block 2 through the connecting bolts 3, and the two connecting bolts 3 are respectively located on two sides of the first clamping block 1 and the second clamping block 2. The first clamping block 1 is provided with a column hole 6 corresponding to the first clamping groove 4, and one end of the column hole 6 penetrates through the surface of the first clamping groove 4. An internal thread sleeve 7 is arranged in the column hole 6, a wiring barrel 11 corresponding to the internal thread sleeve 7 is arranged on the first clamping block 1, and the internal thread sleeve 7 is connected with the wiring barrel 11 through a conductive connecting part 12. The internally threaded sleeve 7, the wire barrel 11 and the conductive connecting portion 12 are all made of metal materials. The inner thread sleeve 7 is connected with a peel breaking bolt 8 through threads. One end face of the splitting bolt 8 is provided with a cutting part for cutting the sheath of the lead. The cutting part is a plurality of cutting edges 14 arranged on the end face of the broken bolt. In the present embodiment, four cutting edges 14 are provided, and the cutting edges 14 are provided on the end surface of the skin breaking bolt 8 in an annular array. The other end face of the skin breaking bolt 8 is provided with a slot, and a detachable insulating screwing handle 9 is inserted in the slot. The insulated twist grip 9 includes an insert rod and a grip body provided at one end of the insert rod. The bottom of the slot is provided with a first magnet 12, and one end of the inserted bar far away from the handle body is provided with a second magnet 13 matched with the first magnet 12. When the inserted bar is inserted into the slot, the second magnet arranged at one end of the inserted bar is mutually attracted with the first magnet arranged at the bottom of the slot, so that the insulating screwing handle can be stably connected into the slot.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. The utility model provides a precession formula binding clip that breaks skin with safe type insulating bolt, includes first clamp splice and second clamp splice, is provided with first wire clamping groove on the first clamp splice, is provided with the second wire clamping groove corresponding with first wire clamping groove on the second clamp splice, links to each other its characterized in that through connecting bolt between first clamp splice and the second clamp splice: the first clamping block is provided with a column hole corresponding to the first wire clamping groove, one end of the column hole penetrates through the surface of the first wire clamping groove, an internal thread sleeve is arranged in the column hole, a skin breaking bolt is connected with the internal thread sleeve in a threaded manner, a cutting part for cutting the outer skin of the wire is arranged on one end face of the skin breaking bolt, a slot is arranged on the other end face of the skin breaking bolt, and a detachable insulating screwing handle is inserted in the slot; the first clamping block is also provided with a wire connecting cylinder corresponding to the internal thread sleeve, and the internal thread sleeve is connected with the wire connecting cylinder through a conductive connecting part.

2. A screw-in peel-off terminal with a safety insulating bolt as claimed in claim 1, wherein the cutting part is a plurality of cutting edges provided on the end face of the peel-off bolt.

3. A screw-in peel clamp with a safety insulating bolt as claimed in claim 2, wherein the cutting edges are arranged in an annular array on the end face of the peel bolt.

4. The precession peel-off type splice holder with safety insulated bolt of claim 1, wherein the insulated twist grip includes an insert rod fitted with the insertion groove and a grip body disposed at one end of the insert rod.

5. The precession peel-off type jointing clamp with the safety type insulating bolt of claim 1, wherein a first magnet is disposed at the bottom of the slot, and a second magnet matched with the first magnet is disposed at one end of the insertion rod away from the handle body.

6. The precession split-skin binding clip with safety insulation bolt of claim 1, wherein the cross-sections of the slot and the insertion rod are the same and are all polygonal.

7. The precession peel clamp with safety insulated bolt of claim 1 wherein the insulated twist grip is made of phenolic plastic.