CN112564029A

CN112564029A - Bidirectional synchronous butt jointing clamp

Info

Publication number: CN112564029A
Application number: CN202011277249.9A
Authority: CN
Inventors: 童灵华; 骆祥明; 沈建锋; 方健; 陈颖; 孙一枫; 杨跃平; 胡委锋; 张挺
Original assignee: Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd; Cixi Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Current assignee: Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd; Cixi Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-03-26

Abstract

The invention provides a bidirectional synchronous butt jointing clamp, which solves the problems that a wire clamp in the prior art is complex in structure, inconvenient to use, unstable in connection effect and easy to loosen due to pulling; the technical scheme for solving the technical problem comprises two seat bodies which are arranged in parallel, wherein the two seat bodies are internally provided with slidable cylinders, the outer side wall of each cylinder, which is positioned between the two seat bodies, is in threaded connection with an adjusting nut, the turning directions of the two adjusting nuts are opposite, the two adjusting nuts are connected into a whole through a plurality of supporting rods which are uniformly distributed on the circumference, and the central parts of the two cylinders are both provided with threading holes.

Description

Bidirectional synchronous butt jointing clamp

Technical Field

The invention relates to the technical field of power line bundle connection, in particular to a bidirectional synchronous butt jointing clamp.

Background

The connecting wire clamp is a contact fitting used for connecting a wire to transmit electrical load, has wide application range, and can be applied to jumper connection of a non-linear tower, T connection, branch line connection and the like at a non-bearing connection position of an electric power system, downlead connection of electrical equipment such as a switch, a transformer and the like, grounding downlead connection and the like.

At present, a connecting wire clamp clamps a wire in a wire clamping groove through a bolt, the structure of the connecting wire clamp is simple, but the phenomenon that the bolt is loosened frequently occurs in long-term operation, so that the clamping effect of the connecting wire clamp is reduced, the contact of the wire is poor, and the normal work of the wire is influenced. In order to prevent the bolt from loosening, the bolt needs to be fastened regularly, the operation is troublesome, and the workload is greatly increased; in addition, the stress points of the existing splicing wire clamp are mainly concentrated on the splicing part, when the splicing wire clamp is used at the later stage, when a wire harness is pulled, the loosening of the splicing part is easily caused, and further the poor contact of the connecting part is caused, so that the use is influenced.

Disclosure of Invention

The invention aims to provide a bidirectional synchronous butt jointing clamp, which solves the problems that a wire clamp in the prior art is complex in structure, inconvenient to use, unstable in connection effect and easy to loosen due to pulling.

The invention provides a bidirectional synchronous butt jointing clamp, which adopts the technical scheme that the bidirectional synchronous butt jointing clamp comprises two base bodies which are arranged in parallel, wherein slidable columns are arranged in the two base bodies, an adjusting nut is in threaded connection with the outer side wall of each column between the two base bodies, the rotating directions of the two adjusting nuts are opposite, the two adjusting nuts are connected into a whole through a plurality of supporting rods which are uniformly distributed on the circumference, and threading holes are formed in the central parts of the two columns.

Preferably, the base body is provided with a through hole at the center, the column is arranged in the through hole, the side wall of the through hole is provided with a key slot, and the outer side wall of the column is provided with a convex block arranged in the key slot.

Preferably, the end of one of the cylinders is provided with a male spigot, and the end of the other cylinder is provided with a female spigot which is matched with the male spigot.

Preferably, the lateral wall of cylinder on be equipped with a plurality of radial mounting grooves, the inboard and the through wires hole of mounting groove link up, all install one in every mounting groove and can follow cylinder radial slip's wedge.

Preferably, the wedge block be located the outside of pedestal, when the cylinder slides to the pedestal inboard, the wedge block can slide to the cylinder inboard under the extrusion of pedestal, the wedge block circumference evenly distributed on the cylinder.

Preferably, one end of the wedge-shaped block, which is close to the threading hole, is an arc surface, and the arc surface is covered with an elastic layer.

Preferably, the outside of mounting groove be equipped with the spout, the wedge on be equipped with the baffle that is located the spout, the inboard diapire of baffle and spout between be connected with the spring.

Preferably, the outer side wall of the cylinder is provided with a limiting flange positioned between the two adjusting nuts, so that the adjusting nuts are prevented from being separated from the cylinder.

The invention designs the cylinders which can synchronously slide in the opposite direction or in the opposite direction, and particularly realizes the synchronous sliding through the rotation of the adjusting nuts which are connected into a whole, the rotation directions of the two adjusting nuts are opposite, the two cylinders can be driven to move in the opposite directions when the adjusting nuts rotate in the same direction, and through the action of the wedge block, when the cylinders move, the wedge block can realize the effects of pressing and loosening the lead in the wire threading hole, and simultaneously can play a good fixing effect, so that the loosening of the connector lug part caused by the tearing of the lead and the poor contact effect can be avoided.

In summary, the technical scheme of the invention at least has the following beneficial effects:

1. the structure is ingenious, and the connection operation of the two cables can be well realized;

2. the use is convenient, when in use, the two cylinders can be driven to synchronously slide only by rotating the supporting rod, and the bidirectional synchronous clamping effect is realized;

3. the cable clamp has the advantages that the using effect is good, the cable close to the wiring part is clamped, and when the cable clamp is externally subjected to pulling force, the wiring part can be well prevented from loosening.

4. The protective effect is good, and the waterproof and dustproof effect can be achieved by carrying out airtight protection on the connecting part.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a front view of the present invention with two cylinders out of contact;

FIG. 3 is a schematic view of the present invention in a clamped contact condition between the two cylinders of FIG. 2;

FIG. 4 is a side view of the mating portion of the base and the post of the present invention;

FIG. 5 is a side view of the arrangement of struts on the adjusting nut of the present invention;

figure 6 is a side cross-sectional view of the wedge distribution on the column of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As can be seen from the attached drawings 1-6, the invention comprises two base bodies 1 which are placed in parallel, a slidable column body 2 is arranged in each of the two base bodies 1, the base bodies 1 and the column bodies 2 are matched through a key slot and a key to realize the sliding connection of the column bodies 2, an adjusting nut 3 is in threaded connection with the outer side wall of each column body 2 between the two base bodies 1, the turning directions of the two adjusting nuts 3 are opposite, and the turning directions of the threads of the connecting parts of the two column bodies 2 and the adjusting nuts 3 are also opposite, so that when the two adjusting nuts 3 synchronously rotate, the two column bodies 2 can be driven to reversely move to realize the clamping and loosening effects; the two adjusting nuts 3 are connected into a whole through a plurality of support rods 4 which are uniformly distributed on the circumference, and the center parts of the two cylinders 2 are both provided with threading holes 5 for passing through wires or cables and the like which need to be connected; when the wire harness is used, the wire harness firstly passes through the threading hole 5, one end to be connected is connected at the opposite end part of the connected cylinder 2, then the connection part is arranged in the concave-convex rabbet, the two cylinders 2 are driven to oppositely compress through the adjusting nut 3, and the compaction and sealing effects of the compression part are realized.

In order to effectively protect the continuous part of the wiring harness, the end of one cylinder 2 is provided with a male spigot 8, the end of the other cylinder 2 is provided with a female spigot 9 matched with the male spigot 8, when the two cylinders 2 move oppositely, the male spigot 8 on the cylinder 2 can be inserted into the female spigot 9 to realize the circumferential protection and sealing of the outer part of the continuous part, so that the waterproof and dustproof effects are good, and the outdoor use can be adapted.

In order to realize the clamping effect on the wire harness, a plurality of radial mounting grooves are formed in the side wall of the cylinder 2, the inner sides of the mounting grooves are communicated with the threading hole 5, a wedge block 10 capable of sliding along the radial direction of the cylinder 2 is mounted in each mounting groove, when the cylinder 2 slides towards the inner side of the seat body 1, the wedge blocks 10 can synchronously slide towards the inner side of the cylinder 2 under the extrusion of the seat body 1, the clamping effect on the wire harness in the threading hole 5 is realized, the wire harness is fixed, when the wire harness is pulled from the outer part of the cylinder 2, the friction force of the clamping part of the wedge block 10 can overcome the pulling force, and the loosening of the wiring part is avoided; meanwhile, in order to avoid clamping damage to the wire harness, one end, close to the threading hole 5, of the wedge-shaped block 10 is an arc surface, and the arc surface is covered with an elastic layer 11.

In order to realize that the wedge block 10 can be ejected outwards along the radial direction, a sliding groove 12 is arranged on the outer side of the mounting groove, a baffle 13 positioned in the sliding groove 12 is arranged on the wedge block 10, a spring 14 is connected between the baffle 13 and the inner bottom wall of the sliding groove 12, and the ejection and release actions of the wedge block 10 can be realized under the action of the spring 14.

In order to avoid the adjustment nut 3 from being separated from the cylinder 2 due to operation in the using process, a limiting flange 15 positioned between the two adjustment nuts 3 is arranged on the outer side wall of the cylinder 2 to play a limiting role.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a two-way synchronization is to binding clip, its characterized in that includes two parallel placement's pedestal (1), is equipped with slidable cylinder (2) in two pedestal (1), every cylinder (2) be located on the lateral wall between two pedestal (1) threaded connection have adjusting nut (3), two adjusting nut (3) revolve to opposite, two adjusting nut (3) are connected as a whole through branch (4) of a plurality of circumference equipartitions, the central point of two cylinders (2) position all seted up through wires hole (5).

2. The bidirectional synchronous pair jointing clamp according to claim 1, wherein a through hole is formed in the center of the base body (1), the cylinder (2) is installed in the through hole, a key slot (6) is formed in the side wall of the through hole, and a protrusion (7) installed in the key slot (6) is formed on the outer side wall of the cylinder (2).

3. A bi-directional synchronous pair terminal as claimed in claim 1, wherein the end of one of the columns (2) is provided with a male spigot (8) and the end of the other column (2) is provided with a female spigot (9) for co-operation with the male spigot (8).

4. A bidirectional synchronous butt-jointing clamp according to claim 1, wherein the side wall of the column body (2) is provided with a plurality of radial mounting grooves, the inner sides of the mounting grooves are communicated with the threading holes (5), and each mounting groove is provided with a wedge block (10) capable of sliding along the radial direction of the column body (2).

5. A two-way synchronization pair connector as claimed in claim 4, wherein the wedge block (10) is located outside the housing (1), and when the post (2) slides toward the inside of the housing (1), the wedge block (10) slides toward the inside of the post (2) under the extrusion of the housing (1), and the wedge blocks (10) are circumferentially and uniformly distributed on the post (2).

6. A bidirectional synchronous pair jointing clamp according to claim 5, wherein one end of the wedge block (10) near the threading hole (5) is a cambered surface, and the cambered surface is covered with the elastic layer (11).

7. The bidirectional synchronous butt jointing clamp according to claim 5, wherein a sliding groove (12) is formed on the outer side of the mounting groove, a baffle (13) positioned in the sliding groove (12) is arranged on the wedge block (10), and a spring (14) is connected between the baffle (13) and the inner bottom wall of the sliding groove (12).

8. A bi-directional synchronous pair terminal as claimed in any one of claims 1 to 7, wherein the outer side wall of the post (2) is provided with a position-limiting flange (15) between the two adjusting nuts (3) for preventing the adjusting nuts (3) from separating from the post (2).