CN215645954U

CN215645954U - PVC protective sleeve for protecting cable

Info

Publication number: CN215645954U
Application number: CN202121877960.8U
Authority: CN
Inventors: 郑刚; 蔡军
Original assignee: Hangzhou Panhua Electric Power Technology Co ltd
Current assignee: Hangzhou Panhua Electric Power Technology Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-25
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a PVC (polyvinyl chloride) protective sleeve for protecting a cable, which comprises a cable shell, a heat dissipation layer, an insulating layer and a damping ring, wherein the cable shell is fixedly connected with the insulating layer, an interlayer is reserved between the cable shell and the insulating layer, the heat dissipation layer is arranged in the middle of the interlayer, two ends of the insulating layer are respectively connected with damping springs in a welding mode, the damping springs are evenly distributed on the inner wall of the insulating layer, and one end of each damping spring is connected with the damping ring in a welding mode. This a PVC protective case for protecting cable, through install damping spring and full closure's shock attenuation ring on insulating inner wall, not only can carry out the shock attenuation guard action to it when the cable produces vibrations, the full closure shock attenuation ring that adopts simultaneously replaces semi-enclosed damping device, can be in the same place the cable fastening, prevents its atress from scattering everywhere, this simple structure is understandable, makes things convenient for the staff to operate and use, has brought very big convenience for protecting cable safety.

Description

PVC protective sleeve for protecting cable

Technical Field

The utility model relates to the technical field of protective sleeves, in particular to a PVC protective sleeve for protecting a cable.

Background

The cable protective sleeve is a novel sleeve material which is popularized and used in power engineering. With the rapid development of power cable buried laying engineering and the higher requirements put forward on cable sleeves, the cable protective sleeve is made of Polyethylene (PE) and a high-quality steel pipe through sand blasting and shot blasting pretreatment, plastic dipping or coating, and heating and curing processes. It is one of the most commonly used electrically insulating tubes for protecting wires and cables. It is widely used because of its good insulating property, high chemical stability, no rusting, no aging, and adaptability to harsh environment.

The PVC protective sleeve based on cable on the market has the following problems when in use:

1. the traditional PVC protective sleeve for the cable adopts a simple sleeve form to protect the cable, and the cable is easy to shake when being subjected to external force, so that the cable in the protective sleeve is not stopped vibrating, the cable is possibly damaged, and normal use is influenced;

2. traditional cable PVC protective case, it is direct to place the cable and protect inside the protective sheath usually, does not fix the whole of cable, causes the cable to distribute scattered inside the protective sheath, is difficult to arrange in order and maintain the cable.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a PVC protective sleeve for protecting cables, which solves the problems that the conventional PVC protective sleeve for cables adopts a simple sleeve form to protect the cables, the cables are easy to shake when being subjected to external force, the cables in the protective sleeve are not stopped shaking, the cables are possibly damaged and the normal use is influenced, and the conventional PVC protective sleeve for cables is usually used for directly placing the cables in the protective sleeve to protect the cables without fixing the whole cables, so that the cables are scattered in the protective sleeve and are difficult to arrange and maintain.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a PVC protective case for protecting cable, includes cable sheathing, heat dissipation layer, insulating layer and shock attenuation ring, cable sheathing fixed connection insulating layer, leave the intermediate layer between cable sheathing and the insulating layer, and intermediate layer mid-mounting has the heat dissipation layer, damping spring is connected through welding mode respectively at the insulating layer both ends, and damping spring evenly distributed is on insulating inner wall, damping spring one end is passed through welding mode and is connected the shock attenuation ring.

Preferably, the two ends of the cable shell are fixedly connected with port connectors, the inner wall of each port connector is provided with a threaded hole, and the threaded holes are spirally distributed on the inner wall of each port connector.

Preferably, tensile holes are respectively formed in the surfaces of the cable shell, the heat dissipation layer and the insulating layer, the positions of the tensile holes correspond to those of the insulating layer, a sealing gasket is fixedly connected to the surface of the cable shell, the tensile holes are formed in the surface of the sealing gasket, and the tensile belt is inserted into the middle of each tensile hole.

Preferably, the bottom of the stretching belt is fixedly connected with a stretching ring, the stretching ring is movably connected to the inner wall of the insulating layer, the surface of the stretching belt is provided with adjusting grooves, and the adjusting grooves are evenly distributed on the surface of the stretching belt.

Preferably, the surface of the cable shell is fixedly connected with buckles, the buckles are distributed on two sides of the stretching belt, and the surfaces of the buckles are provided with clamping grooves.

Preferably, the heat dissipation layer is a honeycomb annular ring, and the heat dissipation layer is made of graphene.

(III) advantageous effects

The utility model provides a PVC protective sleeve for protecting a cable. The method has the following beneficial effects:

(1) according to the PVC protective sleeve for protecting the cable, the damping spring and the damping ring are arranged on the inner wall of the insulating layer, so that the situation that the cable is vibrated by external force and damaged is avoided to the greatest extent, and the fully-closed damping ring is adopted to replace a semi-closed damping device, so that the cables can be effectively concentrated together, and the cables are prevented from being stressed and impacting everywhere;

(2) this a PVC protective case for protecting cable can adjust the size of tensile ring through the adjustment tank on the tensile area, can be convenient with orderly fastening of cable together, avoid the cable to be scattered to put, make things convenient for the staff to arrange in order and maintain it.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic structural view of a cable jacket according to the present invention;

FIG. 3 is a schematic structural view of a stretch panel of the present invention;

FIG. 4 is a schematic structural view of a port fitting of the present invention;

FIG. 5 is a schematic view of the buckle according to the present invention.

In the drawing, a cable shell-1, a heat dissipation layer-2, an insulation layer-3, a port connector-4, a stretching belt-5, a buckle-6, a stretching ring-7, a threaded hole-8, a damping spring-9, a damping ring-10, a stretching hole-11, an adjusting groove-12, a clamping groove-13 and a sealing gasket-14.

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.

Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a PVC protective sleeve for protecting a cable comprises a cable shell 1, a heat dissipation layer 2, an insulating layer 3 and a damping ring 10, wherein the cable shell 1 is fixedly connected with the insulating layer 3, the cable shell 1 and the insulating layer 3 are combined to form the complete protective sleeve for the cable, the cable is conveniently protected in the complete protective sleeve, an interlayer is reserved between the cable shell 1 and the insulating layer 3, the heat dissipation layer 2 is arranged in the middle of the interlayer, the heat inside the cable protective sleeve is dissipated by the heat dissipation layer 2, the overheating inside of the cable protective sleeve is avoided, two ends of the insulating layer 3 are respectively connected with the damping springs 9 in a welding mode, the damping springs 9 are evenly distributed on the inner wall of the insulating layer 3, one end of each damping spring 9 is connected with the damping ring 10 in a welding mode, the damping springs 9 and the damping ring 10 are installed on the inner wall of the insulating layer 3, and the vibration caused by external force is greatly avoided, the cable is damaged, the fully-closed damping ring 10 is adopted to replace a semi-closed damping device, the cables can be effectively concentrated together, and the cables are prevented from being stressed and being collided everywhere.

1 both ends fixedly connected with port of cable jacket connects 4, connects one end cable protection sleeve down through port joint 4, port connects 4 inner walls and has seted up threaded hole 8, and threaded hole 8 is the heliciform and distributes on port connects 4 inner walls, utilizes spiral helicine spiral hole 8, can guarantee that bushing connects more fastening, can connect for a long time, is difficult for droing.

Tensile hole 11 has been seted up respectively on cable housing 1,

heat dissipation layer

2 and 3 surfaces of insulating layer, and the position corresponds each other, utilizes tensile hole 11 to place tensile area 5 to tensile area 5 carries out tensile work on next step, 1 fixed surface of cable housing is connected with sealed 14, sealed 14 surfaces of filling up have seted up tensile hole 11, tensile hole 11 middle part inserts tensile area 5. The sealing function is carried out at the stretching hole 11 through the sealing gasket 14, so that rainwater is prevented from entering the stretching hole to influence the normal use of the cable.

Tensile 5 bottom fixedly connected with in area tensile ring 7, tensile ring 7 swing joint is on 3 inner walls of insulating layer, fixes the cable through tensile ring 7, avoids its in disorder distribution, adjustment tank 12 has been seted up on tensile 5 surfaces in area, and adjustment tank 12 evenly distributed is on tensile 5 surfaces in area, can adjust tensile ring 7's size through the adjustment tank 12 on tensile 5 in area, can be convenient with orderly fastening of cable together, avoid the cable to be scattered to put, makes things convenient for the staff to arrange in order and maintain it.

The surface of the cable shell 1 is fixedly connected with the buckles 6, the buckles 6 are distributed on two sides of the stretching belt 5, the clamping grooves 13 are formed in the surfaces of the buckles 6, the adjusting grooves 12 are fixed through the clamping grooves 13 in the buckles 6, and the fastening cable is guaranteed.

Heat dissipation layer 2 is cellular annular ring, and heat dissipation layer 2 material is graphite alkene, adopts cellular heat dissipation layer 2, and the processing of dispelling the heat that can be better protects cable sleeve's operational environment.

The working principle is as follows: when using this a PVC protective case for protecting cable, at first pass shock attenuation ring 10 and tensile ring 7 with the cable, the fastening that is organized with the cable is in the same place through the taut tensile ring 7 of tensile area 5, then with the adjustment tank 12 card on the adjustment belt 5 on draw-in groove 13 on buckle 6, avoid tensile area 5 landing, then utilize screw hole 8 on the port joint 4 to connect next section cable protective case, when the protective case produced vibrations, carry out shock attenuation processing by damping spring 9 and shock attenuation ring 10 on the 3 inner walls of insulating layer to the cable, prevent that the cable is impaired, influence its normal work, heat dissipation layer 2 between cable housing 1 and insulating layer 3 carries out the heat dissipation processing simultaneously.

The cable casing 1, the heat dissipation layer 2, the insulating layer 3, the port joint 4, the stretching belt 5, the buckle 6, the stretching ring 7, the threaded hole 8, the damping spring 9, the damping ring 10, the stretching hole 11, the adjusting groove 12, the clamping groove 13 and the sealing gasket 14 are all parts which are common standard parts or parts known by technicians in the field, and the structure and the principle of the parts can be known by technicians through technical manuals or conventional experimental methods. The cable protection sleeve has the advantages that the cable is distributed in the protection sleeve in a scattered mode, and the cable is not easy to arrange and maintain, the shock absorption springs 9 and the shock absorption rings 10 are arranged on the inner wall of the insulation layer 3, so that the situation that the cable is vibrated by external force and damaged is avoided to the greatest extent, the fully-closed shock absorption rings 10 are adopted to replace semi-closed shock absorption devices, the cable can be effectively concentrated together, the cable is prevented from being stressed and being collided everywhere, the size of the stretching rings 7 can be adjusted through the adjusting grooves 12 in the stretching belts 5, the cable can be conveniently fastened together in an orderly mode, the cable is prevented from being arranged in a scattered mode, and workers can conveniently arrange and maintain the cable.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a PVC protective sleeve for protecting cable, includes cable sheathing (1), heat dissipation layer (2), insulating layer (3) and shock attenuation ring (10), its characterized in that: cable casing (1) fixed connection insulating layer (3), leave the intermediate layer between cable casing (1) and insulating layer (3), and the intermediate layer mid-mounting has heat dissipation layer (2), damping spring (9) are connected through the welding mode respectively at insulating layer (3) both ends, and damping spring (9) average distribution is on insulating layer (3) inner wall, damping ring (10) are connected through the welding mode to damping spring (9) one end.

2. A PVC protective sleeve for protecting cables as claimed in claim 1, wherein: cable shell (1) both ends fixedly connected with port connects (4), threaded hole (8) are seted up to port joint (4) inner wall, and threaded hole (8) are the heliciform and distribute on port joint (4) inner wall.

3. A PVC protective sleeve for protecting cables as claimed in claim 1, wherein: tensile hole (11) have been seted up respectively on cable housing (1), heat dissipation layer (2) and insulating layer (3) surface, and the position corresponds each other, cable housing (1) fixed surface is connected with sealed pad (14), tensile hole (11) have been seted up on sealed pad (14) surface, tensile hole (11) middle part is inserted and is stretched area (5).

4. A PVC protective sleeve for protecting cables as claimed in claim 3, wherein: tensile area (5) bottom fixedly connected with stretches ring (7), tensile ring (7) swing joint is on insulating layer (3) inner wall, adjustment tank (12) have been seted up on tensile area (5) surface, and adjustment tank (12) evenly distributed is on tensile area (5) surface.

5. A PVC protective sleeve for protecting cables as claimed in claim 1, wherein: cable shell (1) fixed surface is connected with buckle (6), and buckle (6) distribute in tensile area (5) both sides, draw-in groove (13) have been seted up on buckle (6) surface.

6. A PVC protective sleeve for protecting cables as claimed in claim 1, wherein: the heat dissipation layer (2) is a honeycomb-shaped annular ring, and the heat dissipation layer (2) is made of graphene.