CN219493410U

CN219493410U - High-voltage insulation corrugated pipe

Info

Publication number: CN219493410U
Application number: CN202320056711.5U
Authority: CN
Inventors: 向丽
Original assignee: Kashgar Lanhui Building Materials Co ltd
Current assignee: Kashgar Lanhui Building Materials Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-08-08
Anticipated expiration: 2033-01-10

Abstract

The utility model relates to a high-voltage insulating corrugated pipe, which is characterized in that a protection component is arranged on the pipe body, a connecting component is arranged on the pipe body, the connecting component comprises two connecting cabins fixed on the outer peripheral wall of the pipe body, an annular plate is fixed on the outer peripheral wall of the connecting cabins, a sealing ring is fixed on the inner peripheral wall of the connecting cabins, the protection component comprises a reinforcing layer fixed on the outer surface of the pipe body, a compression layer is fixed on the outer surface of the reinforcing layer, and an insulating layer is fixed on the outer surface of the compression layer. This high-voltage insulation bellows, when using, can effectively increase the compressive capacity of body through enhancement layer and compressive layer in the protective component, avoid causing the pipe wall to split because of local pressure is too big as far as possible, effectually played the effect of protecting the body, when needs connecting the body, accessible coupling assembling carries out quick connection, and coupling assembling does not divide left and right sides end, can directly dock and fix, and it is more convenient to connect, more practical.

Description

High-voltage insulation corrugated pipe

Technical Field

The utility model relates to the technical field of corrugated pipes, in particular to a high-voltage insulating corrugated pipe.

Background

The corrugated pipe mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a diaphragm capsule, a metal hose and the like, is mainly applied to the functions of compensating thermal deformation, shock absorption, absorbing sedimentation deformation of a pipeline and the like, and is widely applied to industries such as petrochemical industry, instrument, aerospace industry, chemical industry, electric power, cement, metallurgy and the like, and the corrugated pipe made of other materials such as plastics and the like has irreplaceable functions in the fields such as medium transmission, electric power threading, machine tools, household appliances and the like.

In the use process of the corrugated pipe, the corrugated pipe is often required to be spliced, but the existing corrugated pipe is not convenient to operate when being spliced, meanwhile, the joint of the spliced corrugated pipe is poor in sealing performance, liquid leakage and the like are easy to occur, for example, chinese patent (bulletin number: CN 217234735U) discloses a spliceable corrugated pipe, and the problem is also solved in the prior art, so that a high-voltage insulating corrugated pipe is provided to solve the problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the high-voltage insulating corrugated pipe which has the advantages of convenience in splicing, good sealing performance, high voltage resistance and the like, and solves the problems that the operation is not convenient enough when the existing corrugated pipe is spliced, and the sealing performance of the spliced corrugated pipe joint is poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-voltage insulating corrugated pipe comprises a pipe body, wherein a protection component is arranged on the pipe body, and a connecting component is arranged on the pipe body.

The connecting assembly comprises two connecting bins which are fixed on the peripheral wall of the tube body and are respectively close to the left side and the right side, an annular plate is fixed on the peripheral wall of the connecting bin, a sealing ring is fixed on the inner peripheral wall of the connecting bin, the left side is the top surface and the bottom surface of the annular plate and the right side are both fixed with elastic plates, two clamping blocks are fixed on one opposite side of the same annular plate, and clamping grooves are formed in the front surface and the back surface of the annular plate and the right side of the annular plate.

Further, a plurality of annular protrusions which are distributed in a left-right equidistant mode are outwards formed on the peripheral wall of the pipe body, annular grooves are formed between two adjacent annular protrusions, and the annular protrusions are in clearance fit with the annular grooves.

Further, the shape of two connect the storehouse is inside cavity and the cylinder that one side that is opposite to lacks, the sealing ring is close to the missing face of connecting the storehouse and extends to the connection storehouse outside through missing face, the sealing ring is the rubber ring.

Further, draw-in groove and fixture block clearance fit, the fixture block is right angle triangular block, and its right angle limit is fixed on the elastic plate, and another right angle limit is towards the annular plate, four on two connection warehouses the elastic plate is circular equiangular distribution with the axis of annular plate as the centre of a circle.

Further, the protection component comprises a reinforcing layer fixed on the outer surface of the pipe body, a compression-resistant layer is fixed on the outer surface of the reinforcing layer, an insulating layer is fixed on the outer surface of the compression-resistant layer, an anti-corrosion layer is fixed on the outer surface of the insulating layer, and a flame-retardant layer is fixed on the outer surface of the anti-corrosion layer.

Further, the reinforcing layer is a glass fiber cotton layer, the compression-resistant layer is a net-shaped steel wire layer, and the insulating layer is a rubber layer.

Further, the anticorrosive layer is a fluoroplastic layer, and the flame-retardant layer is a fireproof paint layer.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this high-voltage insulation bellows, when using, can effectively increase the compressive capacity of body through enhancement layer and compressive layer in the protective component, avoid causing the pipe wall to split because of local pressure is too big as far as possible, effectually played the effect of protecting the body, when needs connecting the body, accessible coupling assembling carries out quick connection, and coupling assembling does not divide left and right sides end, can directly dock and fix, and it is more convenient to connect, more practical.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a connection assembly of the present utility model;

fig. 3 is a schematic side view of the shield assembly of the present utility model.

In the figure: 1 pipe body, 2 protection components, 201 enhancement layer, 202 compressive layer, 203 insulating layer, 204 anticorrosive coating, 205 fire-retardant layer, 3 coupling assembling, 301 connection storehouse, 302 annular plate, 303 sealing ring, 304 elastic plate, 305 fixture block, 306 draw-in groove, 4 annular protrusion, 5 annular groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the high voltage insulating corrugated pipe in this embodiment includes a pipe body 1, a protection component 2 is disposed on the pipe body 1, a connection component 3 is disposed on the pipe body 1, when the pipe body 1 is required to be connected, the connection component 3 can be quickly connected, the connection component 3 is not divided into left and right ends, and can be directly connected and fixed, so that the connection is more convenient and practical.

The connecting assembly 3 comprises two connecting cabins 301 which are fixed on the outer peripheral wall of the pipe body 1 and are respectively close to the left side and the right side, annular plates 302 are fixed on the outer peripheral wall of the connecting cabins 301, elastic plates 304 are fixed on the top surface and the bottom surface of the left annular plate 302 and the front surface and the back surface of the right annular plate 302, clamping blocks 305 are fixed on opposite sides of the two elastic plates 304 on the same annular plate 302, clamping grooves 306 are formed in the front surface and the back surface of the left annular plate 302 and the top surface and the bottom surface of the right annular plate 302, when the pipe body 1 is spliced, the two pipe bodies 1 are firstly butted, then the two connecting cabins 301 are pressed in opposite directions, the two connecting cabins 301 are clamped with the corresponding clamping grooves 306, the two connecting cabins 301 are fixed, sealing rings 303 are fixed on the inner peripheral wall of the connecting cabins 301, and when the two connecting cabins 301 are mutually extruded, the two sealing rings 303 are extruded and attached together, and then the contact parts of the two connecting cabins 301 are sealed.

Wherein, a plurality of annular protrusions 4 distributed at equal intervals are outwards formed on the peripheral wall of the pipe body 1, an annular groove 5 is formed between two adjacent annular protrusions 4, the annular protrusions 4 are in clearance fit with the annular groove 5, it should be understood that when the annular protrusions 4 are formed on the outer wall of the pipe body 1 during production of the pipe body 1, the annular groove 5 is formed on the inner wall of the pipe body 1 along with the inner wall of the pipe body 1, the annular protrusions 4 are formed on the inner wall of the pipe body 1 along with the inner wall of the pipe body, when two pipe bodies 1 are butted, one pipe body 1 can be plugged into the other pipe body 1, the annular protrusions 4 on the outer wall of one pipe body 1 are matched with the annular grooves 5 and the annular protrusions 4 on the inner wall of the other pipe body 1 to be connected, and then a sealing effect is achieved through the two connecting bins 301.

Simultaneously, the shape of two connection warehouses 301 is inside cavity and the cylinder that one side was missed in opposite directions, and sealing ring 303 is close to the missing face of connection warehouses 301 and extends to the connection warehouses 301 outside through the missing face, and sealing ring 303 is the rubber ring, like this, when two connection warehouses 301 dock, can extrude sealing ring 303, and then plug up the gap between the connection warehouses 301 and reach sealed effect.

In addition, the clamping groove 306 is in clearance fit with the clamping block 305, the clamping block 305 is a right-angle triangular block, a right-angle side of the clamping block 305 is fixed on the elastic plate 304, the other right-angle side faces the annular plate 302, and the four elastic plates 304 on the two connecting bins 301 are distributed in a circular shape with equal angles by taking the central axis of the annular plate 302 as the center of a circle.

It should be noted that the elastic plate 304 mentioned herein is a steel plate having a certain elastic deformation capability.

Referring to fig. 3, in this embodiment, the protection component 2 includes a reinforcing layer 201 fixed on the outer surface of the pipe body 1, a compression-resistant layer 202 is fixed on the outer surface of the reinforcing layer 201, when the pipe body 1 is used, the compression-resistant capability of the pipe body 1 can be increased through the reinforcing layer 201 and the compression-resistant layer 202, so that the pipe body 1 can bear higher pressure, an insulating layer 203 is fixed on the outer surface of the compression-resistant layer 202, external static electricity or leakage of external equipment can be prevented from affecting fluid in the pipe body 1 through the insulating layer 203, an anti-corrosion layer 204 is fixed on the outer surface of the insulating layer 203, a flame-retardant layer 205 is fixed on the outer surface of the anti-corrosion layer 204, and the anti-corrosion and fireproof capabilities of the pipe body 1 can be effectively increased through the anti-corrosion layer 204 and the flame-retardant layer 205, so that the pipe body 1 can be prevented from being corroded or burned out by the outside.

The reinforcing layer 201 is a glass fiber cotton layer, the glass fiber cotton is an inorganic nonmetallic material with excellent performance, and has the advantages of various types, good insulativity, strong heat resistance, good corrosion resistance, high mechanical strength and the like, and is generally used as a reinforcing material in a composite material, the compression-resistant layer 202 is a net-shaped steel wire layer, the steel wire net has excellent corrosion resistance, good durability, high tensile strength and good integrity, the insulating layer 203 is a rubber layer, the rubber is a high-elasticity polymer material with reversible deformation, the main chain is alternately composed of silicon oxygen atoms, and the silicon atoms are provided with organic groups, so that the composite material is high and low temperature resistant, ozone resistant and good in electrical insulation.

Meanwhile, the anti-corrosion layer 204 is a fluoroplastic layer, the fluoroplastic layer has excellent chemical stability, weather resistance, electrical insulation and flame retardance, the outstanding surface is non-sticky, the friction coefficient is extremely low, the use temperature range is wide, the fluoroplastic layer can be used as a wear-resistant, corrosion-resistant and high-low temperature-resistant material, the flame-retardant layer 205 is a fireproof paint layer, and the fireproof paint is paint with a coating which is not easy to burn or can delay burning. Generally contains chlorinated paraffin, chlorinated rubber, chlorinated naphthalene, zinc borate, etc. The gas or bubbles which can not burn are generated by thermal decomposition, so that the gas or bubbles can play a role in isolation, prevent or delay burning and ensure objects below the coating.

The working principle of the embodiment is as follows:

when the pipe bodies 1 are spliced, the two pipe bodies 1 are firstly butted, then the two connecting cabins 301 are opposite and the two connecting cabins 301 are pressed towards opposite directions, then the clamping blocks 305 on the two connecting cabins 301 are clamped with the corresponding clamping grooves 306, the two connecting cabins 301 are fixed, when the two connecting cabins 301 are mutually extruded, the two sealing rings 303 are extruded and attached together, and then the contact parts of the two connecting cabins 301 are sealed.

When the pipe body 1 is used, the compression resistance of the pipe body 1 can be increased through the reinforcing layer 201 and the compression resistance layer 202, so that the pipe body 1 can bear higher pressure, external static electricity or external equipment leakage can be prevented from affecting internal fluid of the pipe body 1 through the insulating layer 203, the corrosion resistance and fire resistance of the pipe body 1 can be effectively increased through the corrosion resistance layer 204 and the flame retardant layer 205, and corrosion or burning of the pipe body 1 caused by the external environment can be avoided.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a high voltage insulation bellows, includes body (1), its characterized in that: the pipe body (1) is provided with a protection component (2), and the pipe body (1) is provided with a connection component (3);

the connecting assembly (3) comprises two connecting bins (301) which are fixed on the outer peripheral wall of the pipe body (1) and are respectively close to the left side and the right side, annular plates (302) are fixed on the outer peripheral wall of the connecting bins (301), sealing rings (303) are fixed on the inner peripheral wall of the connecting bins (301), elastic plates (304) are fixed on the top surface and the bottom surface of the annular plates (302) and on the right side of the annular plates (302), clamping blocks (305) are fixed on one side, opposite to the elastic plates (304), of the same annular plate (302), and clamping grooves (306) are formed in the front surface and the back surface of the annular plates (302) and in the top surface and the bottom surface of the annular plates (302).

2. A high voltage insulating bellows according to claim 1, characterized in that: a plurality of annular protrusions (4) which are distributed in a left-right equidistant mode are outwards formed on the peripheral wall of the pipe body (1), annular grooves (5) are formed between every two adjacent annular protrusions (4), and the annular protrusions (4) are in clearance fit with the annular grooves (5).

3. A high voltage insulating bellows according to claim 1, characterized in that: the shape of two connecting bin (301) is the inside cavity and the cylinder that one side is missing on the back, sealing ring (303) are close to the missing face of connecting bin (301) and extend to connecting bin (301) outside through missing face, sealing ring (303) are the rubber ring.

4. A high voltage insulating bellows according to claim 1, characterized in that: the clamping groove (306) is in clearance fit with the clamping block (305), the clamping block (305) is a right-angle triangular block, a right-angle side of the clamping block is fixed on the elastic plate (304), the other right-angle side faces the annular plate (302), and the four elastic plates (304) on the two connecting bins (301) are distributed in a circular shape with equal angles by taking the central axis of the annular plate (302) as the circle center.

5. A high voltage insulating bellows according to claim 1, characterized in that: the protection component (2) comprises a reinforcing layer (201) fixed on the outer surface of the pipe body (1), a compression-resistant layer (202) is fixed on the outer surface of the reinforcing layer (201), an insulating layer (203) is fixed on the outer surface of the compression-resistant layer (202), an anti-corrosion layer (204) is fixed on the outer surface of the insulating layer (203), and a flame-retardant layer (205) is fixed on the outer surface of the anti-corrosion layer (204).

6. A high voltage insulating bellows according to claim 5, characterized in that: the reinforcing layer (201) is a glass fiber cotton layer, the compression-resistant layer (202) is a net-shaped steel wire layer, and the insulating layer (203) is a rubber layer.

7. A high voltage insulating bellows according to claim 5, characterized in that: the anticorrosive layer (204) is a fluoroplastic layer, and the flame-retardant layer (205) is a fireproof paint layer.