CN214624495U

CN214624495U - Flexible cable with lightning protection effect

Info

Publication number: CN214624495U
Application number: CN202120916748.1U
Authority: CN
Inventors: 苏承志; 苏承裕
Original assignee: Guangxi Guiyou Electric Technology Co ltd
Current assignee: Guangxi Guiyou Electric Technology Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-11-05
Anticipated expiration: 2031-04-29

Abstract

The utility model relates to the technical field of cables, in particular to a flexible cable with lightning protection effect, which comprises an insulating layer and an upper clamping block, wherein the insulating layer is internally and fixedly connected with a buffer layer, the lower end surface of the buffer layer is fixedly connected with a wrapping layer, the lower end surface of the wrapping layer is fixedly connected with a covering layer, the inner side of the covering layer is fixedly connected with a wire, the left side and the right side of the outer side of the upper clamping block are fixedly connected with an upper clamping plate, the inner part of the upper clamping plate is spirally connected with a screw, and the outer side below the screw is spirally connected with a lower clamping plate; the utility model discloses in, through buffer layer and the overburden that sets up, can increase the crushing resistance of cable, guarantee that the cable does not receive the damage receiving the copper wire in the impact back wire to the material of buffer layer is soft rubber, has alleviated most impact force, and the wire outside is equipped with the overburden, can effectively protect the injury that the cable received, because the outside one deck is the insulating layer, has certain lightning-arrest effect, and is very practical.

Description

Flexible cable with lightning protection effect

Technical Field

The utility model relates to the technical field of cables, specifically be a flexible cable with lightning-arrest effect.

Background

A cable is a special conductor, usually a rope-like cable made by twisting several or several groups of conductors, each group of conductors being insulated from each other and usually twisted around a center, covered with a highly insulating coating throughout, erected in the air or installed underground or underwater for telecommunication or power transmission, and possibly having their own respective coatings, total and outer sheaths, and the cable may also have additional conductors without insulation.

The cable is usually installed in the open air or on the ceiling and is unsettled, these cables have higher requirement to the intensity of structure, need avoid pedestrian's trampling, car and extrusion, but the insulating layer of the cable outside on the market is zonulae occludens with inside wire, after the insulating layer received the impact, its inside wire also can receive the same damage, and when cutting off the cable, need use this kind of specialized tool of cable scissors, but the cable scissors is external tool, and inconvenient carrying, can't cut the cable when using other instruments very probably, consequently, propose a flexible cable with lightning-arrest effect to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible cable with lightning-arrest effect to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a flexible cable with lightning protection effect comprises an insulating layer and an upper clamping block, wherein a buffer layer is fixedly connected inside the insulating layer, a wrapping layer is fixedly connected to the lower end face of the buffer layer, a covering layer is fixedly connected to the lower end face of the wrapping layer, a lead is fixedly connected to the inner side of the covering layer, a first movable rod is slidably connected to the middle position inside the upper clamping block, a fixed block is fixedly connected to the lower end face of the first movable rod, a blade is fixedly connected to the inside of the fixed block, tension springs are fixedly connected to the left side and the right side above the inside of the upper clamping block, upper clamping plates are fixedly connected to the left side and the right side outside of the upper clamping block, a screw is spirally connected to the inside of the upper clamping plate, a lower clamping plate is spirally connected to the outside of the screw, a lower clamping block is fixedly connected to the inside of the lower clamping plate, and a second movable rod is slidably connected to the inside of the lower clamping block, and the upper end surface of the second movable rod is fixedly connected with a supporting block.

Preferably, the outer side of the top of the fixing block is connected with an upper clamping block in a sliding manner, the left side and the right side of the inner part of the upper clamping block are connected with blades in a sliding manner, the outer side of the supporting block is connected with a lower clamping block in a sliding manner, and the lower end face of the extension spring is fixedly connected with the fixing block.

Preferably, a gap is formed between the buffer layers, the length of the gap between the buffer layers is 1/18 of the inner caliber of the insulating layer, and the buffer layers are made of soft rubber.

Preferably, the top ends of the inner sides of the upper fixture block and the lower fixture block are both provided with a sliding groove, the shape and length of the sliding groove at the top end of the inner side of the upper fixture block are the same as those of the top end of the fixed block, the shape and length of the sliding groove at the top end of the inner side of the lower fixture block are the same as those of the bottom end of the supporting block, a groove is formed in the middle inner side of the supporting block, and the shape of the groove in the middle inner side of the supporting block is the same as that of the bottom end of the blade.

Preferably, the number of the extension springs is 2, and the extension springs are distributed on the left side and the right side of the fixed block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through buffer layer and the overburden that sets up, can increase the crushing resistance of cable, guarantee that the cable receives the copper wire in the wire not receive the damage after assaulting, and the material of buffer layer is soft rubber, has alleviated most impact forces, and the wire outside is equipped with the overburden, and the wire is in the inside of overburden, can effectively protect the cable like this, reduce the wire and receive the injury, and after the insulating layer in the cable outside is destroyed by external force, can not expose the wire in the cable yet, because the outside one deck is the insulating layer, have certain lightning-arrest effect, it is very practical;

2. the utility model discloses in, through blade and the tray that sets up, can cut the cable smoothly under the condition that does not use the cable to cut to go up the fixture block and by the screw fixation in the insulating layer outside of cable down between the fixture block, with the bottom contact ground of second movable rod, operating personnel presses first movable rod with the hand, after the blade cuts off the cable, can unscrew the screw, will go up fixture block and lower fixture block and remove to cable depths along the cable, just so can not take place the cable and cut to forget the problem of carrying and can't cut the cable, and is very practical.

Drawings

FIG. 1 is a schematic view of the overall internal side view structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the insulating layer of the present invention;

FIG. 3 is a schematic view of the internal structure of the upper and lower clamping blocks of the present invention;

fig. 4 is a schematic side view of the supporting block of the present invention.

In the figure: 1-insulating layer, 2-upper clamping block, 3-upper clamping plate, 4-first movable rod, 5-screw, 6-lower clamping plate, 7-lower clamping block, 8-second movable rod, 9-buffer layer, 10-wrapping layer, 11-covering layer, 12-wire, 13-extension spring, 14-fixing block, 15-blade and 16-support block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a flexible cable with lightning protection effect comprises an insulating layer 1 and an upper clamping block 2, wherein a buffer layer 9 is fixedly connected inside the insulating layer 1, a wrapping layer 10 is fixedly connected on the lower end surface of the buffer layer 9, a covering layer 11 is fixedly connected on the lower end surface of the wrapping layer 10, a lead 12 is fixedly connected on the inner side of the covering layer 11, a first movable rod 4 is slidably connected at the middle position inside the upper clamping block 2, a fixed block 14 is fixedly connected on the lower end surface of the first movable rod 4, a blade 15 is fixedly connected inside the fixed block 14, tension springs 13 are fixedly connected on the left side and the right side of the upper part inside the upper clamping block 2, upper clamping plates 3 are fixedly connected on the left side and the right side of the outer side of the upper clamping block 2, a screw 5 is spirally connected inside the upper clamping plate 3, a lower clamping plate 6 is spirally connected on the outer side of the lower part of the screw 5, a lower clamping block 7 is fixedly connected on the inner side of the lower clamping block 7, and a second movable rod 8 is slidably connected on the lower part of the lower clamping block 7, the upper end surface of the second movable rod 8 is fixedly connected with a supporting block 16.

The outer side of the upper part of the fixed block 14 is connected with an upper fixture block 2 in a sliding manner, the left side and the right side of the inner part of the upper fixture block 2 are connected with blades 15 in a sliding manner, the outer side of the support block 16 is connected with a lower fixture block 7 in a sliding manner, the lower end face of the extension spring 13 is fixedly connected with the fixed block 14, gaps are arranged among the buffer layers 9, the length of the gaps among the buffer layers 9 is 1/18 of the inner caliber of the insulating layer 1, the buffer layers 9 are made of soft rubber, the pressure resistance of the cable can be increased, the copper wires in the wires are prevented from being damaged after the cable is impacted, most of impact force is relieved due to the fact that the buffer layers 9 are made of soft rubber, the outer side of the wires 12 is provided with the covering layer 11, the wires 12 are arranged inside the covering layer 11, the cable can be effectively protected, the wires are prevented from being damaged by external force, and the wires inside the cable can not be exposed after the insulating layer 1 on the outer side of the cable is damaged by external force, because the outer layer is the insulating layer 1, a certain lightning protection effect is achieved, sliding grooves are formed in the top ends of the inner sides of the upper clamping block 2 and the lower clamping block 7, the length of the sliding groove in the top end of the inner side of the upper clamping block 2 is the same as that of the top end of the fixed block 14, the length of the sliding groove in the top end of the inner side of the lower clamping block 7 is the same as that of the bottom end of the supporting block 16, a groove is formed in the middle inner side of the supporting block 16, the shape of the groove in the middle inner side of the supporting block 16 is the same as that of the bottom end of the blade 15, the number of the tension springs 13 is 2, the tension springs 13 are distributed on the left side and the right side of the fixed block 14, the cable can be cut flatly without using a cable cutter, the upper clamping block 2 and the lower clamping block 7 are fixed on the outer side of the insulating layer 1 of the cable through screws 5, the bottom end of the second movable rod 8 is in contact with the ground, an operator presses the first movable rod 4 with hands, and the blade 15 cuts the cable, can unscrew screw 5, will go up fixture block 2 and lower fixture block 7 and remove to the cable depths along the cable, just so can not take place the cable and cut forget the problem of carrying and can't cut the cable, it is very practical.

The working process is as follows: when a cable needs to be cut, the upper clamping block 2 and the lower clamping block 7 are clamped on the outer side of the insulating layer 1, the upper clamping plate 3 on the outer side of the upper clamping block 2 and the lower clamping plate 6 on the outer side of the lower clamping block 7 are screwed and fixed by using a screw 5, then the bottom end of the second movable rod 8 is contacted with the ground, the support block 16 at the top end of the second movable rod 8 supports the cable, at the moment, an operator presses the first movable rod 4 by hand, the fixed block 14 and the blade 15 below the first movable rod 4 move downwards, the extension spring 13 above the fixed block 14 deforms, the hand can be loosened when the blade 15 cuts the cable, if the cable is trampled, rolled and extruded by a pedestrian, the insulating layer 1 on the outer side of the cable is firstly damaged, but the buffer layer 9 below the insulating layer 1 transfers the received force to the wrapping layer 10, the covering layer 11 is arranged below the wrapping layer 10, and the lead 12 is arranged inside the covering layer 11, therefore, the impact on the lead 12 can be greatly reduced, the service life of the cable is prolonged, and the cable is very practical.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flexible cable with lightning-arrest effect, includes insulating layer (1) and goes up fixture block (2), its characterized in that: the insulating layer (1) is fixedly connected with a buffer layer (9), the lower end face of the buffer layer (9) is fixedly connected with a wrapping layer (10), the lower end face of the wrapping layer (10) is fixedly connected with a covering layer (11), the inner side of the covering layer (11) is fixedly connected with a lead (12), a first movable rod (4) is slidably connected with the middle position inside the upper portion of the upper clamping block (2), the lower end face of the first movable rod (4) is fixedly connected with a fixed block (14), a blade (15) is fixedly connected inside the fixed block (14), the left side and the right side of the inner upper portion of the upper clamping block (2) are fixedly connected with extension springs (13), the left side and the right side of the outer side of the upper clamping block (2) are fixedly connected with an upper clamping plate (3), a screw (5) is spirally connected inside the upper clamping plate (3), and the outer side below the screw (5) is spirally connected with a lower clamping plate (6), the inner side of the lower clamping plate (6) is fixedly connected with a lower clamping block (7), a second movable rod (8) is connected to the lower portion of the inner portion of the lower clamping block (7) in a sliding mode, and a supporting block (16) is fixedly connected to the upper end face of the second movable rod (8).

2. A flexible cable having a lightning protection effect according to claim 1, wherein: the fixture block (2) is connected to the outside of the top of the fixing block (14) in a sliding mode, the blades (15) are connected to the left side and the right side of the inside of the upper fixture block (2) in a sliding mode, the lower fixture block (7) is connected to the outside of the supporting block (16) in a sliding mode, and the fixing block (14) is fixedly connected to the lower end face of the extension spring (13).

3. A flexible cable having a lightning protection effect according to claim 1, wherein: gaps are arranged among the buffer layers (9), the length of the gaps among the buffer layers (9) is 1/18 of the inner caliber of the insulating layer (1), and the buffer layers (9) are made of soft rubber.

4. A flexible cable having a lightning protection effect according to claim 1, wherein: the top ends of the inner sides of the upper clamping block (2) and the lower clamping block (7) are respectively provided with a sliding groove, the shape length of the sliding groove at the top end of the inner side of the upper clamping block (2) is the same as that of the top end of the fixing block (14), the shape length of the sliding groove at the top end of the inner side of the lower clamping block (7) is the same as that of the bottom end of the supporting block (16), a groove is formed in the inner side of the middle of the supporting block (16), and the shape of the groove in the inner side of the middle of the supporting block (16) is the same as that of the bottom end of the blade (15).

5. A flexible cable having a lightning protection effect according to claim 1, wherein: the number of the extension springs (13) is 2, and the extension springs (13) are distributed on the left side and the right side of the fixing block (14).