CN211830115U

CN211830115U - Bolt type strain clamp

Info

Publication number: CN211830115U
Application number: CN201922477433.7U
Authority: CN
Inventors: 续大雷
Original assignee: Hebei Tongxing Electric Co ltd
Current assignee: Hebei Tongxing Electric Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-30
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to the technical field of strain clamps, in particular to a bolt type strain clamp, which comprises a clamp body, wherein the bottom of the clamp body is provided with a through hole, a fixing pipe is arranged in the through hole, the outer side of the fixing pipe is provided with a screw thread, the outer side of the fixing pipe is sleeved with a first fastening nut, two groups of U-shaped bolts are symmetrically arranged in the clamp body, the U-shaped bolts all penetrate through the clamp body and extend to the outer side, the U-shaped bolts are all inserted on the clamp body, both ends of the U-shaped bolts extending to the outer side are all provided with springs, the springs are all sleeved at the end parts of the U-shaped bolts, both ends of the springs are all provided with stoppers, the stoppers are all fixedly connected at both ends of the springs, the stoppers are in contact with the clamp body, one end of the U-shaped bolts is provided with a nut at one side, the clamp plate is inserted between the U-shaped bolt and the wire clamp body. The utility model discloses simple structure, stability is strong, is fit for promoting.

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 bolt type strain clamp is suitable for fixing cables with middle and small cross sections and is commonly used for fixing aluminum stranded wires or steel-cored aluminum stranded wires. The existing bolt type strain clamp mainly comprises a clamp body, a pressing block and a U-shaped bolt. The wire holding groove has been seted up on the fastener body, and the briquetting is put into after the wire holding groove is arranged in to the cable, then installation type bolt, and the vertical pressure that utilizes U type bolt realizes the fixed to the cable, but, current bolt type strain clamp still has certain limitation. According to the description, the bolt type strain clamp compresses tightly the cable in the paying-off groove through the pressing block to fix the cable, but after the tensile force applied to the cable exceeds a certain range, the cable is easy to loosen, and even the phenomenon of wire sliding is caused, so that the safety of the cable is poor. To this end, we propose a bolt-type strain clamp.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a bolt type strain clamp.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bolt type strain clamp is designed, and comprises a clamp body, wherein a through hole is formed in the bottom of the clamp body, a fixing pipe is arranged in the through hole and fixedly connected in the through hole, the fixing pipe is arranged in an inclined manner, threads are formed on the outer side of the fixing pipe, a first fastening nut is sleeved on the outer side of the fixing pipe and is in threaded connection with the fixing pipe, two groups of U-shaped bolts are symmetrically arranged in the clamp body and penetrate through the clamp body to extend to the outer side, the U-shaped bolts are inserted in the clamp body, springs are arranged at two ends of the U-shaped bolts extending to the outer side, the springs are sleeved at the end parts of the U-shaped bolts, limit blocks are arranged at two ends of the springs and are fixedly connected at two ends of the springs, and are in contact with the clamp body, one end of the U-shaped bolt is located on one side of the limiting block, a nut is arranged at one end of the U-shaped bolt, the nuts are in threaded connection with two ends of the U-shaped bolt, a pressing plate is arranged at one end, far away from the nut, of the U-shaped bolt, and the pressing plate is inserted between the U-shaped bolt and the wire clamp body.

Preferably, one side of the pressing plate is fixedly connected with a rubber pad.

Preferably, the two ends of the limiting block are fixedly connected with gaskets.

Preferably, the wire clamp body and the corresponding position symmetry of clamp plate are equipped with a plurality of fixed blocks, the fixed block with the wire clamp body is the integral type.

The utility model provides a bolt type strain clamp, beneficial effect lies in: the utility model discloses simple structure, the simple operation can be fast convenient fix the cable, and is fixed effectual, and stability is strong, has strengthened the strain resistance performance of cable, can be along with the tensile shrink of cable, avoids the cable not hard up after tensile.

Drawings

Fig. 1 is the utility model provides a cross-sectional structure schematic diagram of bolt type strain clamp.

In the figure: the clamp comprises a clamp body 1, a through hole 2, a fixing pipe 3, a first fastening nut 4, a U-shaped bolt 5, a spring 6, a limiting block 7, a second fastening nut 8, a pressing plate 9, a rubber pad 10 and a fixing block 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-1, a bolt type strain clamp, including fastener body 1, through-hole 2 has been seted up to fastener body 1's bottom, be equipped with fixed pipe 3 in the through-hole 2, fixed pipe 3 fixed connection is in through-hole 2, fixed pipe 3 sets up for the tilting, screw thread has been seted up in the outside of fixed pipe 3, the outside cover of fixed pipe 3 is equipped with first fastening

nut

4, 4 threaded connection of first fastening nut is on fixed pipe 3, through-hole 2 is used for the passing through of cable, fixed pipe 3 is used for fixing the cable that passes, first fastening nut 4 is used for contracting fixed pipe 3, increase the degree of fixation.

Two groups of U-shaped bolts 5 are symmetrically arranged in the wire clamp body 1, the U-shaped bolts 5 extend to the outer side through the wire clamp body 1, the U-shaped bolts 5 are inserted in the wire clamp body 1, springs 6 are arranged at two ends of the U-shaped bolts 5 extending to the outer side, the springs 6 are sleeved at the end parts of the U-shaped bolts 5, limiting blocks 7 are arranged at two ends of the springs 6, the limiting blocks 7 are fixedly connected at two ends of the springs 6, the limiting blocks 7 are contacted with the wire clamp body 1, gaskets are fixedly connected at two ends of the limiting blocks 7, a second fastening nut 8 is arranged at one end of each U-shaped bolt 5 and positioned at one side of each limiting block 7, the second fastening nuts 8 are in threaded connection with two ends of each U-shaped bolt 5, the U-shaped bolts 5 are used for fixing cables, the second fixing nuts 8 are used for fixing the U-shaped bolts 5, the springs 6 are used for enhancing firmness of the U-shaped bolts 5, the limiting block 7 is used for fixing the spring 6.

U type bolt 5 is kept away from the one end of second fastening nut 8 and is equipped with clamp plate 9, clamp plate 9 is inserted and is established between U type bolt 5 and fastener body 1, one side fixedly connected with rubber pad 10 of clamp plate 9, fastener body 1 is equipped with a plurality of fixed blocks 11 with the corresponding position symmetry of clamp plate 9, fixed block 11 is integral type clamp plate 9 with fastener body 1 and is used for cooperating U type bolt 5 to fix the cable, rubber pad 10 can avoid damaging the cable, fixed block 11 cooperation U type bolt 5 can be strengthened the fixed to the cable, avoid becoming flexible.

During the use, penetrate the cable from fixed pipe 3, fix the clamp plate on the cable, insert U type bolt 5, wear paralysed 6 at the both ends of U type bolt 5, fix through second fastening nut 8, fix first fastening nut 4 on fixed pipe 3 again, further fix the cable.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A bolt type strain clamp comprises a clamp body (1) and is characterized in that a through hole (2) is formed in the bottom of the clamp body (1), a fixed pipe (3) is arranged in the through hole (2), the fixed pipe (3) is fixedly connected in the through hole (2), the fixed pipe (3) is arranged in an inclined mode, threads are formed in the outer side of the fixed pipe (3), a first fastening nut (4) is sleeved on the outer side of the fixed pipe (3), the first fastening nut (4) is in threaded connection with the fixed pipe (3), two groups of U-shaped bolts (5) are symmetrically arranged in the clamp body (1), the U-shaped bolts (5) penetrate through the clamp body (1) and extend to the outer side, the U-shaped bolts (5) are inserted in the clamp body (1), springs (6) are arranged at two ends of the U-shaped bolts (5) extending to the outer side, spring (6) all overlaps and establishes the tip of U type bolt (5), the both ends of spring (6) all are equipped with stopper (7), the equal fixed connection of stopper (7) is in the both ends of spring (6), stopper (7) with fastener body (1) contacts, the one end of U type bolt (5) is located one side of stopper (7) is equipped with nut (8), the equal threaded connection of nut (8) is in the both ends of U type bolt (5), keep away from U type bolt (5) the one end of nut (8) is equipped with clamp plate (9), clamp plate (9) are inserted and are established U type bolt (5) with between fastener body (1).

2. The bolt-type strain clamp according to claim 1, wherein a rubber pad (10) is fixedly attached to one side of the pressure plate (9).

3. The bolt-type strain clamp according to claim 1, wherein a spacer is fixedly connected to both ends of the stopper (7).

4. The bolt type strain clamp according to claim 1, wherein a plurality of fixing blocks (11) are symmetrically arranged at positions of the clamp body (1) corresponding to the pressing plate (9), and the fixing blocks (11) and the clamp body (1) are integrated.