CN212366221U - Precession broken skin formula binding clip with insulating bolt structure - Google Patents

Abstract

The utility model discloses a precession broken skin formula binding clip with insulating bolt structure, 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, the 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 insulating block on the other end face, be provided with the cell body on the insulating block; 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 insulating bolt structure

Technical Field

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

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 the 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 the insulating bolt structure, can effectively solve above-mentioned problem.

The utility model aims at realizing through the following technical scheme: a precession skin-breaking type jointing clamp with an insulating bolt structure comprises a first clamping block and a second clamping block, wherein a first wire clamping groove is formed in the first clamping block, a second wire clamping groove corresponding to the first wire clamping groove is formed in the second clamping block, the first clamping block and the second clamping block are connected through a connecting bolt, a column hole corresponding to the first wire clamping groove is formed in the first clamping block, 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 in the internal thread sleeve in a threaded mode, a cutting portion used for cutting a sheath of a wire is arranged on one end face of the skin-breaking bolt, an insulating block is arranged on the other end face of the skin-breaking bolt, and a groove body is arranged on the insulating block; 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, insert branch line one end in the bobbin of being qualified for the next round of competitions fixedly, then screw broken skin bolt, broken skin bolt is at the tightening in-process, both removed towards the direction of thread, continuous rotation again, the cutting part that lies in on its terminal surface this moment is along with broken skin bolt synchronous revolution, cutting part is when rotatory, can cut the crust of thread, until cutting through the crust of thread, then broken skin bolt just can contact with the metal part in the main line, just so can switch on the thread and branch line. The groove body is used for being matched with tools such as a screwdriver and the like, so that an operator can conveniently screw the skin breaking bolt by using the tools such as the screwdriver and the like. The groove body is arranged on the insulating block, the insulating block is made of insulating materials, so that tools such as a screwdriver and the like are insulated from the skin breaking bolt, the risk of electric shock of an operator is avoided, and the safety of the operator is guaranteed. 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 groove body is in a shape of a straight line. The groove body is arranged in a straight shape and can be matched with a flat-head screwdriver for use.

Preferably, the groove body is in a cross shape. The groove body is arranged in a cross shape and can be matched with a cross screwdriver for use.

Preferably, the insulating block is made of insulating ceramic. The insulating ceramic has good insulating property.

Preferably, the surface of the second wire clamping groove is provided with a cushion layer. The cushion layer can increase the friction between the wire and the wire clamping groove and improve the clamping effect on the wire.

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 a schematic structural view of the cutting portion.

In the figure: 1. the wire cutting machine 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 insulation block, a 10 groove body, a 11 wiring cylinder, a 12 conductive connecting part, a 13 cushion layer, a 14 cutting edge, and a connecting bolt.

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 peel-breaking type jointing clamp with an insulating bolt structure 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 surface of the second wire clamping groove 5 is provided with a cushion layer 19, and the cushion layer 19 is made of rubber. 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, and the other end face is provided with an insulating block 9. The insulating block 9 is made of insulating ceramic. The insulation block 9 is provided with a groove 10, and in this embodiment, the groove 10 is in a shape of a straight line. The groove body 10 is used for matching with tools such as a screwdriver and the like, so that an operator can conveniently screw the skin breaking bolt by using the tools such as the screwdriver and the like. The groove body is arranged in a straight shape and can be matched with a flat-head screwdriver for use. The cutting part comprises a plurality of cutting edges 14 arranged on the end surface of the crust breaking bolt 8. 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 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, insert branch line one end in the bobbin of being qualified for the next round of competitions fixedly, then screw broken skin bolt, broken skin bolt is at the tightening in-process, both removed towards the direction of thread, continuous rotation again, the cutting part that lies in on its terminal surface this moment is along with broken skin bolt synchronous revolution, cutting part is when rotatory, can cut the crust of thread, until cutting through the crust of thread, then broken skin bolt just can contact with the metal part in the main line, just so can switch on the thread and branch line. The groove body is arranged on the insulating block, the insulating block is made of insulating materials, so that tools such as a screwdriver and the like are insulated from the skin breaking bolt, the risk of electric shock of an operator is avoided, and the safety of the operator is guaranteed. 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.

Example 2:

example 2 differs from example 1 in that: in example 2, the trough 10 is in a cross shape, and the rest of the structure is the same as that of example 1.

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 (7)

1. The utility model provides a precession formula binding clip that breaks skin with insulating bolt structure, 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 lead is arranged on one end face of the skin breaking bolt, an insulating block is arranged on the other end face of the skin breaking bolt, and a groove body is arranged on the insulating block; 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 an insulating bolt structure as claimed in claim 1, wherein the cutting portion is a plurality of cutting edges provided on the end face of the peel-off bolt.

3. A screw-in peel clamp with an insulated bolt structure according to claim 2, wherein the cutting edges are arranged in an annular array on the end face of the peel bolt.

4. The precession skin-breaking type jointing clamp with the insulation bolt structure according to claim 1, wherein the groove body is in a shape of a straight line.

5. The precession skin-breaking type jointing clamp with the insulation bolt structure according to claim 1, wherein the groove body is cross-shaped.

6. The precession peel clamp with insulation bolt feature of claim 1 wherein the insulation block is made of insulating ceramic.

7. The precession skin-breaking type wire holder with an insulation bolt structure according to claim 1, wherein a surface of the second wire holding groove is provided with a cushion layer.

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