CN214204861U

CN214204861U - Bolt type strain clamp

Info

Publication number: CN214204861U
Application number: CN202120296309.5U
Authority: CN
Inventors: 吴远超; 黄肇杰
Original assignee: Zhejiang Qiaotai Electric Equipment Co ltd
Current assignee: Zhejiang Qiaotai Electric Equipment Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-09-14
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a bolt type strain clamp, including fastener body, a plurality of briquetting and U type bolt, set up in the briquetting and put the appearance chamber, and put and be provided with the chucking subassembly in the appearance chamber, the chucking subassembly includes the fastener and reset spring of slidable mounting in putting the appearance chamber, the blind end and the fastener joint cooperation of U type bolt, be provided with the connecting piece between two adjacent briquetting, the top both sides of briquetting are equipped with the rectangle slot, the front side both sides of briquetting are equipped with the dovetail that at least a pair of bilateral symmetry set up, the connecting piece includes diaphragm and riser, the both ends of diaphragm are buckled downwards and are cooperated with two adjacent rectangle slots of two adjacent briquetting, the upper end of riser is fixed perpendicularly in the open end bottom of diaphragm, the both sides of riser are provided with the dovetail corresponding to the dovetail; the utility model discloses can splice a plurality of sliders, adapt to the beneficial effect of different model fastener and the operation of being convenient for.

Description

Bolt type strain clamp

Technical Field

The utility model relates to a strain clamp technical field especially relates to a bolt type strain clamp.

Background

The strain clamp is a hardware fitting used for fixing a lead to bear the tension of the lead and hanging the lead to a strain insulator-string group or a tower.

Strain clamps can be broadly classified into two types according to their structure and installation conditions. The first type: the strain clamp bears the whole tension of the lead or the lightning conductor, the clamp gripping force is not less than 90 of the rated tension of the installed lead or the lightning conductor, but the strain clamp does not serve as an electric conductor. The wire clamp can be detached after the wire is installed and used additionally. The cable clamp comprises a bolt type strain clamp, a wedge type strain clamp and the like. The second type: the strain clamp can bear all the tensile force of the conducting wire or the lightning conductor and can also be used as a conductor. Therefore, once the wire clamp is installed, the wire clamp can not be disassembled any more, and the wire clamp is also called a dead wire clamp. Because of the electrical conductors, the installation of the wire clamps must be carefully performed in compliance with the regulations regarding installation procedures.

Bolt type strain clamp passes through U type bolt, nut and briquetting and realizes the fixed to the wire, under the operation condition of difference, needs the tension clamp of different models, just needs the U type bolt of different quantity, nut and briquetting, needs frequent dismouting, and the operation is very loaded down with trivial details, and the length of briquetting is certain moreover, can't adapt to the tension clamp of different models according to the demand, and is not practical enough also incremental cost.

Disclosure of Invention

Not enough to prior art exists, the utility model provides a bolt type strain clamp has and to splice a plurality of sliders, adapts to the beneficial effect of different model strain clamps and the operation of being convenient for.

In order to achieve the above purpose, the utility model provides a following technical scheme: a bolt type strain clamp comprises a clamp body, a plurality of pressing blocks and a U-shaped bolt, wherein an accommodating cavity is formed in each pressing block, a clamping assembly is arranged in each accommodating cavity and comprises a clamping piece and a reset spring, the clamping piece is slidably mounted in each accommodating cavity, one end of each reset spring is connected with each clamping piece, the other end of each reset spring is fixedly connected to the inner bottom wall of each accommodating cavity, the closed end of each U-shaped bolt is matched with each clamping piece in a clamping mode, each clamping piece moves in the vertical direction by screwing or loosening a nut at the opening of each U-shaped bolt, a connecting piece is arranged between every two adjacent pressing blocks, rectangular grooves are formed in two sides of the top of each pressing block and penetrate through the front side and the rear side of each pressing block, at least one pair of dovetail grooves which are arranged in bilateral symmetry are formed in two sides of the front side of each pressing block, each connecting piece comprises a transverse plate and a vertical plate, two ends of each transverse plate are bent downwards and matched with two adjacent rectangular grooves of the two adjacent pressing blocks, the upper end of the vertical plate is vertically fixed at the bottom of the opening end of the transverse plate, dovetail blocks are arranged on two sides of the vertical plate corresponding to the dovetail grooves, and the dovetail blocks are consistent with the dovetail grooves in shape.

By adopting the technical scheme: set up the chucking subassembly in the briquetting, the blind end and the cooperation of fastener joint of U type bolt, during the use, only need loosen the nut, can dismantle it with the briquetting together, be convenient for install and use next time, high durability and convenient operation, and utilize the connecting piece can splice a plurality of fixture blocks, pack into the connecting piece past backward, the dovetail piece that makes the riser both sides is pegged graft with the dovetail of briquetting, and the rectangle slot cooperation at diaphragm and two adjacent briquetting tops, thereby realize fixing between the briquetting, can splice the briquetting of different quantity according to the demand, with this wire clamp that adapts to different models, thereby improve practicality.

The utility model discloses further set up to: the fastener includes C type spare, extension board and slider, C type spare opening upwards and with the blind end joint cooperation of U type bolt, C type spare both sides are extended and are formed the extension board, the extension board is kept away from C type spare one end fixedly connected with slider, it is provided with the gliding spout of confession slider to put the chamber both sides, reset spring is located the extension board and puts between the intracavity diapire.

By adopting the technical scheme: c type spare can be fixed U type bolt blind end, because both sides set up reset spring, loosen or screw up the nut and make U type bolt drive both sides extension board and move in the vertical direction, can dismantle briquetting and U type bolt together after the use, can cooperate the briquetting of different quantity to assemble together moreover, improves work efficiency, convenient operation.

The utility model discloses further set up to: the clamping piece is a rubber component.

By adopting the technical scheme: the friction force of the contact surface of the clamping piece and the U-shaped bolt is improved, the U-shaped bolt cannot fall out easily, and the pressing cable with the pressing block better can be pressed when the U-shaped bolt is matched with the nut.

The utility model discloses further set up to: the briquetting top fixedly connected with connection piece, and connection piece department has seted up the through-hole.

By adopting the technical scheme: the connecting piece is arranged to provide a fulcrum for the hand, so that the hand can be conveniently mounted and dismounted.

The utility model discloses further set up to: the bottom of the pressing block is provided with transverse corrugations and vertical corrugations.

By adopting the technical scheme: when the briquetting was compressed tightly by U type bolt, the bottom set up horizontal and vertical ripple can with the cable contact, increase frictional force to avoid the cable to slide and improve the result of use.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic structural diagram of two pressing blocks which are spliced;

fig. 4 is a schematic structural view of the connector of the present embodiment.

Reference numerals: 1. a wire clamp body; 2. briquetting; 21. placing a containing cavity; 22. a clamping assembly; 23. a fastener; 231. a C-shaped member; 232. an extension plate; 233. a slider; 24. a return spring; 25. a rectangular trench; 26. a dovetail groove; 27. connecting sheets; 271. a through hole; 3. a U-shaped bolt; 4. a connecting member; 41. a transverse plate; 42. a vertical plate; 421. a dovetail block.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1 to 4, a bolt type strain clamp includes a clamp body 1, a plurality of pressing blocks 2 and a U-shaped bolt 3, wherein a holding cavity 21 is formed in each pressing block 2, a clamping assembly 22 is arranged in the holding cavity 21, the clamping assembly 22 includes a clamping member 23 and a return spring 24 which are slidably mounted in the holding cavity 21, one end of the return spring 24 is connected with the clamping member 23, the other end of the return spring 24 is fixedly connected to an inner bottom wall of the holding cavity 21, a closed end of the U-shaped bolt 3 is in clamping fit with the clamping member 23, the clamping member 23 is moved in a vertical direction by screwing or loosening a nut at an opening of the U-shaped bolt 3, a connecting member 4 is arranged between two adjacent pressing blocks 2, rectangular grooves 25 are formed in two sides of the top of each pressing block 2, the rectangular grooves 25 penetrate through the front and rear sides of the pressing blocks 2, at least one pair of dovetail grooves 26 symmetrically arranged on the front sides of the pressing blocks 2, the connecting piece 4 includes diaphragm 41 and riser 42, the both ends of diaphragm 41 are buckled downwards and are cooperated with two adjacent rectangle slot 25 of two adjacent briquetting 2, the upper end vertical fixation of riser 42 is in the open end bottom of diaphragm 41, the both sides of riser 42 are provided with dovetail block 421 corresponding to dovetail 26, dovetail block 421 is unanimous with dovetail 26 shape.

Through set up chucking subassembly 22 in briquetting 2, the blind end and the 23 joint cooperation of fastener of U type bolt 3 during the use, only need loosen the nut, can dismantle it with briquetting 2 together, be convenient for install and use next time, high durability and convenient operation, and utilize connecting piece 4 can splice a plurality of briquetting 2, pack into connecting piece 4 from the front backward, make forked tail piece 421 of riser 42 both sides peg graft with the dovetail 26 of briquetting 2, and the rectangle slot 25 cooperation at diaphragm 41 and two adjacent 2 tops of briquetting, thereby realize fixing between the briquetting 2, can splice the briquetting 2 of different quantity according to the demand, with the fastener of this adaptation different models, thereby improve practicality.

Fastener 23 includes C type spare 231, extension board 232 and slider 233, C type spare 231 opening is up and cooperates with the blind end joint of U type bolt 3, C type spare 231 both sides are extended and are formed extension board 232, extension board 232 keeps away from C type spare 231 one end fixedly connected with slider 233, it is provided with the gliding spout that supplies slider 233 to put appearance chamber 21 both sides, reset spring 24 is located extension board 232 and puts between the bottom wall in appearance chamber 21.

C type spare 231 can be fixed U type bolt 3 blind end, because both sides set up reset spring 24, loosen or screw up the nut and make U type bolt 3 drive both sides extension board 232 and move in the vertical direction, can dismantle briquetting 2 and U type bolt 3 together after the use, can cooperate the briquetting 2 of different quantity to assemble together moreover, improves work efficiency, convenient operation.

Fastener 23 is the component of a rubber material, can improve the frictional force of

fastener

23 and 3 contact surfaces of U type bolt, makes U type bolt 3 can not fall out easily, and when U type bolt 3 and nut cooperate, can make the better cable that compresses tightly of briquetting 2 in addition.

Briquetting 2 top fixedly connected with connection piece 27, and connection piece 27 department has seted up through-hole 271, provides a fulcrum through setting up connection piece 27 for the hand, is convenient for install and dismantles.

The bottom of the pressing block 2 is provided with transverse corrugations and vertical corrugations, when the pressing block 2 is compressed by the U-shaped bolt 3, the transverse corrugations and the vertical corrugations arranged at the bottom can be in contact with the cable, friction force is increased, and therefore the cable is prevented from sliding to improve the using effect.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications fall within the scope of the present invention, which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a bolt type strain clamp, includes fastener body, a plurality of briquetting and U type bolt, its characterized in that: the clamping assembly comprises a clamping piece and a return spring, the clamping piece is slidably mounted in the accommodating cavity, one end of the return spring is connected with the clamping piece, the other end of the return spring is fixedly connected to the inner bottom wall of the accommodating cavity, the closed end of the U-shaped bolt is in clamping fit with the clamping piece, the clamping piece moves in the vertical direction by screwing or loosening a nut at the opening of the U-shaped bolt, a connecting piece is arranged between two adjacent pressing pieces, rectangular grooves are formed in two sides of the top of each pressing piece and penetrate through the front side and the rear side of each pressing piece, at least one pair of dovetail grooves which are symmetrically arranged in the left-right direction are formed in two sides of the front side of each pressing piece, each connecting piece comprises a transverse plate and a vertical plate, two ends of each transverse plate are bent downwards and are matched with two adjacent rectangular grooves of the two adjacent pressing pieces, and the upper ends of the vertical plates are vertically fixed at the bottoms of the open ends of the transverse plates, the two sides of the vertical plate are provided with dovetail blocks corresponding to the dovetail grooves, and the dovetail blocks are consistent with the dovetail grooves in shape.

2. The bolt-type strain clamp of claim 1, wherein: the fastener includes C type spare, extension board and slider, C type spare opening upwards and with the blind end joint cooperation of U type bolt, C type spare both sides are extended and are formed the extension board, the extension board is kept away from C type spare one end fixedly connected with slider, it is provided with the gliding spout of confession slider to put the chamber both sides, reset spring is located the extension board and puts between the intracavity diapire.

3. The bolt-type strain clamp of claim 1 or 2, wherein: the clamping piece is a rubber component.

4. The bolt-type strain clamp of claim 1, wherein: the briquetting top fixedly connected with connection piece, and connection piece department has seted up the through-hole.

5. The bolt-type strain clamp of claim 1, wherein: the bottom of the pressing block is provided with transverse corrugations and vertical corrugations.