阅读说明：本技术 一种便携型旋进破皮式接线夹 (Portable precession broken skin formula binding clip ) 是由 李南 刘惺惺 畅伟 潘建乔 傅晓平 吴昱德 葛俊杰 朱赟 郭松 沈嘉平 陆佳晨 于 2020-05-28 设计创作，主要内容包括：本发明公开了一种便携型旋进破皮式接线夹,包括第一夹块和第二夹块,第一夹块上设置有第一夹线槽,第二夹块上设置有与第一夹线槽相对应的第二夹线槽,第一夹块和第二夹块之间通过连接螺栓相连,第一夹块上设置有与第一夹线槽相对应的柱孔,柱孔的一端贯通第一夹线槽的表面,柱孔中设置有内螺纹套筒,内螺纹套筒中螺纹连接有破皮接触螺栓,破皮接触螺栓一端面上设置有用于切削导线外皮的切削刃,第一夹块上还设置有与内螺纹套筒相对应的接线筒,内螺纹套筒与接线筒之间通过导电连接部相连；第二夹线槽的表面设置有垫层。本发明采用切削破皮的方式,能够达到良好的破皮效果,避免了主线和支线无法导通的问题。(The invention discloses a portable precession skin-breaking type jointing clamp, which comprises a first clamping block and a second clamping block, wherein the first clamping block is provided with a first wire clamping groove, the second clamping block is provided with a second wire clamping groove corresponding to the first wire clamping groove, the first clamping block and the second clamping block are connected through a connecting bolt, 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 contact bolt is in threaded connection in the internal thread sleeve, one end face of the skin-breaking contact bolt is provided with a cutting edge for cutting a wire skin, the first clamping block is also provided with a jointing barrel corresponding to the internal thread sleeve, and the internal thread sleeve is connected with the jointing barrel through a conductive connecting part; and a cushion layer is arranged on the surface of the second wire clamping groove. The invention adopts a cutting and skin breaking mode, can achieve good skin breaking effect and avoids the problem that the main line and the branch line cannot be conducted.)

1. The utility model provides a broken skin formula binding clip of portable precession, 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 contact bolt is connected with the internal thread sleeve in a threaded manner, one end face of the skin breaking contact bolt is provided with a cutting edge for cutting a wire sheath, the first clamping block is also provided with a junction box corresponding to the internal thread sleeve, and the internal thread sleeve is connected with the junction box through a conductive connecting part; and a cushion layer is arranged on the surface of the second wire clamping groove.

2. The portable precession peel breaking type splice holder according to claim 1, wherein the peel breaking contact bolt comprises a stud, a sliding groove is formed on the stud, a contact rod is slidably connected in the sliding groove, a gas cavity is formed between one end of the contact rod and one end of the sliding groove, a spring is arranged in the gas cavity, and two ends of the spring are respectively connected with the contact rod and the inner wall of the sliding groove; the cutting edge is arranged on one end face, close to the first wire clamping groove, of the contact rod; the contact rod is provided with a gas channel, one end of the gas channel is communicated with the gas cavity, and the other end of the gas channel penetrates through the end face of the contact rod where the cutting edge is located; a guide mechanism is arranged between the contact rod and the stud.

3. A portable precession peel clamp according to claim 3 wherein the cutting edges are disposed in an annular array on the end face of the contact stem.

4. A portable precession peel-breaking binding clip as claimed in claim 3, wherein the gas passage comprises a first gas passage and a plurality of second gas passages, one end of the first gas passage communicates with the gas chamber, one end of the second gas passage communicates with the first gas passage, and the other end of the second gas passage passes through the end face of the contact rod where the cutting edge is located.

5. A portable precession splitting clamp as claimed in claim 3, wherein the guiding means comprises a guiding groove provided on a side wall of the sliding groove and a projection provided on a side surface of the contact lever, the guiding groove being provided along an axial direction of the sliding groove, the projection being slidably engaged in the guiding groove.

6. A portable precession peel breaking binding clip as claimed in claim 3, wherein one end of the stud is provided with a slot.

7. The portable precession peel-breaking binding clip according to claim 6, wherein the slot is in a shape of a straight line.

8. The portable precession peel-breaking binding clip according to claim 6, wherein the slot is cross-shaped.

9. A portable precession peel clamp as claimed in claim 1 wherein the cushion is made of rubber.

Technical Field

The invention relates to a jointing clamp, in particular to a portable precession skin-breaking type jointing clamp.

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. When the invention is used, the upper and lower puncture blades pierce the outer skin of the lead and are contacted with the metal part in the lead by screwing the bolt and the nut, thereby realizing the purpose of communicating the main line and the branch line. 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 invention aims to solve the problems that when the existing puncture wire clamp is actually used, the puncture effect of a puncture blade is poor, and when the sheath of a lead is thick or the toughness of the sheath of the lead is strong, the puncture blade often cannot effectively puncture the sheath of the lead, so that a main line and a branch line cannot be conducted, and provides a portable screw-in and skin-breaking type wire clamp which can effectively solve the problems.

The purpose of the invention is realized by the following technical scheme: a portable precession skin-breaking type jointing clamp 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 contact bolt is connected in the internal thread sleeve in a threaded mode, a cutting edge used for cutting a sheath of a lead is arranged on one end face of the skin-breaking contact bolt, a connecting cylinder corresponding to the internal thread sleeve is further arranged on the first clamping block, and the internal thread sleeve is connected with the connecting cylinder through a conductive connecting part; and a cushion layer is arranged on the surface of the second wire clamping groove.

According to the invention, an electrified main line is inserted between a first wire clamping groove and a second wire clamping groove, then a connecting bolt is screwed, the main line is clamped, one end of a branch line is inserted into a wire connecting cylinder for fixing, then a skin-breaking contact bolt is screwed, the skin-breaking contact bolt moves towards the direction of the main line and continuously rotates in the screwing process, at the moment, a cutting edge on the end surface of the skin-breaking contact bolt synchronously rotates along with the skin-breaking contact bolt, the cutting edge can cut the skin of the main line until the skin of the main line is cut through, and then the skin-breaking contact bolt can be contacted with a metal part in the main line, so that the main line and the branch line can be conducted. Compared with the traditional mode of cutting and breaking the skin by using the puncture blade, the mode of cutting and breaking the skin has better skin breaking effect, and when the skin of the main line is thicker or the toughness of the skin of the lead is stronger, the cutting edge can also effectively cut the skin of the lead, so that the good skin breaking effect is achieved, and the problem that the main line and the branch line cannot be conducted is avoided. The cushion layer arranged on the surface of the second wire clamping groove can increase the friction force between the main wire and the wire clamping groove, and the clamping effect on the main wire is improved. The invention has the advantages of small structure, portability and convenient use.

Preferably, the skin breaking contact bolt comprises a stud, a sliding groove is formed in the stud, a contact rod is connected in the sliding groove in a sliding mode, a gas cavity is formed between one end of the contact rod and one end of the sliding groove, a spring is arranged in the gas cavity, and two ends of the spring are connected with the contact rod and the inner wall of the sliding groove respectively; the cutting edge is arranged on one end face, close to the first wire clamping groove, of the contact rod; the contact rod is provided with a gas channel, one end of the gas channel is communicated with the gas cavity, and the other end of the gas channel penetrates through the end face of the contact rod where the cutting edge is located; a guide mechanism is arranged between the contact rod and the stud. The double-screw bolt is in threaded connection with the internal thread sleeve, the skin breaking contact bolt is in a screwing process, when the contact rod is in contact with the main line, the double-screw bolt continues to rotate at the moment, the contact rod moves towards one end of the sliding groove in the rotating process of the double-screw bolt, the volume of the gas cavity is reduced continuously at the moment, gas in the gas cavity is blown out from the end face where the cutting edge is located through the gas channel, and a part of the blown gas can be blown off in a cutting mode, so that the contact between the contact rod and the main line is prevented from being influenced by the. The spring can keep proper contact pressure between the contact rod and the main wire, so that the cutting edge can achieve good cutting effect. The function of the guide mechanism is to ensure the contact rod to move along the axial direction of the sliding chute.

Preferably, the cutting edges are arranged in an annular array on the end face of the contact rod. In the present invention, the number of the cutting edges is four, and the number of the cutting edges can be determined according to actual needs.

Preferably, the gas channel comprises a first gas channel and a plurality of second gas channels, one end of the first gas channel is communicated with the gas cavity, one end of each second gas channel is communicated with the first gas channel, and the other end of each second gas channel penetrates through the end face where the cutting edge is located on the contact rod. One end of the second air passage far away from the first air passage forms a blowing opening, the position and the quantity of the second air passage can be adjusted according to actual needs, and therefore the quantity and the distribution position of the blowing opening on the end face are changed, and different blowing cutting effects can be achieved according to needs.

Preferably, the guide mechanism comprises a guide groove arranged on the side wall of the sliding groove and a convex block arranged on the side face of the contact rod, the guide groove is arranged along the axial direction of the sliding groove, and the convex block is connected in the guide groove in a sliding mode.

Preferably, one end of the stud is provided with a groove body. 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-broken contact bolt by using the tools such as the screwdriver and the like.

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 cushion layer is made of rubber.

The invention has the beneficial effects that: compared with the traditional mode of cutting and breaking the skin by using the puncture blade, the mode of cutting and breaking the skin has better skin breaking effect, and when the skin of the main line is thicker or the toughness of the skin of the lead is stronger, the cutting edge can also effectively cut the skin of the lead, so that the good skin breaking effect is achieved, and the problem that the main line and the branch line cannot be conducted is avoided.

Drawings

Fig. 1 is a cross-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 diagram of the contact rod.

In the figure: 1. the 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 stud, a 9 conductive connecting part, a 10 wiring barrel, a 11 sliding groove, a 12 contact rod, a 13 spring, a 14 groove body, a 15 first air passage, a 16 second air passage, a 17 guide groove, a 18 bump, a 19 cushion layer, a 20 cutting edge.

Detailed Description

The invention is further described by the following detailed description in conjunction with the accompanying drawings.