CN219472960U

CN219472960U - High-strength polyvinyl chloride double-wall corrugated pipe

Info

Publication number: CN219472960U
Application number: CN202320436491.9U
Authority: CN
Inventors: 吕彪; 晏祥朋
Original assignee: Yunnan Wanxiong Engineering Materials Co ltd
Current assignee: Yunnan Wanxiong Engineering Materials Co ltd
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-08-04
Anticipated expiration: 2033-03-09

Abstract

The utility model discloses a high-strength polyvinyl chloride double-wall corrugated pipe, which comprises a double-wall corrugated pipe body, wherein the double-wall corrugated pipe body comprises a base layer, the top of the base layer is fixedly connected with a reinforcing layer, the top of the reinforcing layer is fixedly connected with a composite layer, the top of the composite layer is fixedly connected with a wear-resistant layer, the composite layer comprises a high-temperature resistant layer, the top of the high-temperature resistant layer is fixedly connected with an anti-corrosion layer, the top of the anti-corrosion layer is fixedly connected with a fireproof layer, and two ends of the double-wall corrugated pipe body are fixedly connected with connecting flanges. The double-wall corrugated pipe has the advantages of high use strength and good high-temperature resistance effect through the matched use of the double-wall corrugated pipe body, the base layer, the reinforcing layer, the composite layer, the wear-resisting layer, the high-temperature resistance layer, the corrosion-resisting layer and the fireproof layer, and can effectively solve the problems that the existing double-wall corrugated pipe is low in use strength and unsatisfactory in high-temperature resistance effect, so that the use requirement cannot be met.

Description

High-strength polyvinyl chloride double-wall corrugated pipe

Technical Field

The utility model relates to the technical field of double-wall corrugated pipes, in particular to a high-strength polyvinyl chloride double-wall corrugated pipe.

Background

The double-wall corrugated pipe is a novel pipe with an annular structure outer wall and a smooth inner wall, has the characteristics of strong external pressure resistance, low engineering cost, long service life and the like, and is mainly applied to the aspects of large-scale water delivery, water supply, drainage, pollution discharge, air discharge, subway ventilation, mine ventilation, farmland irrigation and the like with working pressure below 0.6 MPa.

Through searching, the Chinese utility model provides a high-strength polyvinyl chloride double-wall corrugated pipe, the publication number of which is: CN209991027U ", including ripple section, reinforcement section, card caulking groove, connector and card inlay port, its characterized in that: every section be equipped with the reinforcement section between the ripple section, leftmost the ripple section left end is equipped with the connector, and this patent sets up the outer protective layer in the outside of reinforcement section, prevents that the polyvinyl chloride layer in the bellows from taking place to decompose after the sunlight insolatedly to this improves life, however this patent use intensity is low, and high temperature resistant effect is not ideal simultaneously, consequently can't satisfy the user demand, for this reason, we propose a high strength polyvinyl chloride double-walled bellows.

Disclosure of Invention

The utility model aims to provide a high-strength polyvinyl chloride double-wall corrugated pipe, which has the advantages of high use strength and good high-temperature resistance effect, and solves the problems that the existing double-wall corrugated pipe is low in use strength and unsatisfactory in high-temperature resistance effect, so that the use requirement cannot be met.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high strength polyvinyl chloride double-walled bellows, includes the double-walled bellows body, the double-walled bellows body includes the basic unit, the top fixedly connected with enhancement layer of basic unit, the top fixedly connected with composite sheet of enhancement layer, the top fixedly connected with wearing layer of composite sheet, the composite sheet includes high temperature resistant layer, the top fixedly connected with corrosion-resistant layer of high temperature resistant layer, the top fixedly connected with flame retardant coating of corrosion-resistant layer.

Preferably, the two ends of the double-wall corrugated pipe body are fixedly connected with connecting flanges, and the inner cavity of each connecting flange is provided with a mounting hole.

Preferably, the base layer is made of polyvinyl chloride, and the inner diameter of the double-wall corrugated pipe body is 500 mm.

Preferably, the reinforcing layer is made of glass fiber, and the wear-resistant layer is made of superfine polytetrafluoroethylene.

Preferably, the high temperature resistant layer is made of polypropylene, and the corrosion resistant layer is made of epoxy resin.

Preferably, the fireproof layer is made of aluminum silicate fireproof fiber blanket materials, and the base layer, the reinforcing layer, the composite layer and the wear-resistant layer are of an integral structure.

Preferably, the number of the mounting holes is four, and the mounting holes are uniformly distributed in the inner cavity of the connecting flange.

Compared with the prior art, the utility model has the following beneficial effects:

1. the double-wall corrugated pipe has the advantages of high use strength and good high-temperature resistance effect through the matched use of the double-wall corrugated pipe body, the base layer, the reinforcing layer, the composite layer, the wear-resisting layer, the high-temperature resistance layer, the corrosion-resisting layer and the fireproof layer, and can effectively solve the problems that the existing double-wall corrugated pipe is low in use strength and unsatisfactory in high-temperature resistance effect, so that the use requirement cannot be met.

2. The utility model can improve the strength of the double-wall corrugated pipe body by arranging the reinforcing layer, so that the double-wall corrugated pipe body is more durable in use, can improve the wear resistance of the surface of the double-wall corrugated pipe body by arranging the wear-resistant layer, and can not be easily damaged by arranging the high-temperature resistant layer, can improve the high-temperature resistance of the double-wall corrugated pipe body, and can ensure the safety of the double-wall corrugated pipe body in use by arranging the fireproof layer.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a partial cross-sectional view of the structure of the present utility model;

fig. 3 is a cross-sectional view of a composite layer of the present utility model.

In the figure: 1. a double-wall bellows body; 101. a base layer; 102. a reinforcing layer; 103. a composite layer; 104. a wear-resistant layer; 1031. a high temperature resistant layer; 1032. an anti-corrosion layer; 1033. a fire-blocking layer; 2. a connecting flange; 3. and (5) mounting holes.

Description of the embodiments

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. 1-3, a high-strength polyvinyl chloride double-wall corrugated pipe comprises a double-wall corrugated pipe body 1, the double-wall corrugated pipe body 1 comprises a base layer 101, the top of the base layer 101 is fixedly connected with a reinforcing layer 102, the strength of the double-wall corrugated pipe body 1 can be improved by arranging the reinforcing layer 102, the double-wall corrugated pipe body 1 is more durable in use, the top of the reinforcing layer 102 is fixedly connected with a composite layer 103, the top of the composite layer 103 is fixedly connected with a wear-resistant layer 104, the wear resistance of the surface of the double-wall corrugated pipe body 1 can be improved by arranging the wear-resistant layer 104, the double-wall corrugated pipe body 1 is not easy to damage, the composite layer 103 comprises a high-temperature resistant layer 1031, the high-temperature resistance of the double-wall corrugated pipe body 1 can be improved by arranging the high-temperature resistant layer 1031, the double-wall corrugated pipe body 1 is safer in use, the top of the high-temperature resistant layer 1031 is fixedly connected with a corrosion resistant layer 1032, the top fixedly connected with flame retardant coating 1033 of corrosion-resistant layer 1032, through setting up flame retardant coating 1033, can further improve the high temperature resistant effect of double-walled bellows body 1, in order to guarantee the security of double-walled bellows body 1 when using, the equal fixedly connected with flange 2 in both ends of double-walled bellows body 1, mounting hole 3 has been seted up to flange 2's inner chamber, basic unit 101 adopts polyvinyl chloride material, the internal diameter of double-walled bellows body 1 is 500 mm, reinforcing layer 102 adopts the glass fiber material, wearing layer 104 adopts superfine polytetrafluoroethylene material, flame retardant coating 1031 adopts the polypropylene material, corrosion-resistant layer 1032 adopts the epoxy material, flame retardant coating 1033 adopts aluminium silicate refractory fiber blanket material, basic unit 101, reinforcing layer 102, composite layer 103 and wearing layer 104 are overall structure, the quantity of mounting hole 3 is four, and evenly distributed is in flange 2's inner chamber, through the cooperation of double-walled bellows body 1, basic unit 101, enhancement layer 102, composite bed 103, wearing layer 104, high temperature resistant layer 1031, corrosion-resistant layer 1032 and flame retardant coating 1033 use, possess the advantage that use intensity is high and high temperature resistant is effectual, can effectually solve current double-walled bellows, use intensity is low, and high temperature resistant effect is not ideal simultaneously, consequently can't satisfy the problem of user demand.

During the use, through enhancement layer 102, can improve the intensity of double-walled bellows body 1, make double-walled bellows body 1 more durable when using, through wearing layer 104, can improve the wearability on double-walled bellows body 1 surface, make double-walled bellows body 1 be difficult to damage, through high temperature resistant layer 1031, can improve the high temperature resistance of double-walled bellows body 1, make double-walled bellows body 1 safer when using, through flame retardant coating 1033, can further improve double-walled bellows body 1's high temperature resistant effect, in order to guarantee the security of double-walled bellows body 1 when using.

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 strength polyvinyl chloride double-walled bellows, includes double-walled bellows body (1), its characterized in that: the double-wall corrugated pipe body (1) comprises a base layer (101), a reinforcing layer (102) is fixedly connected to the top of the base layer (101), a composite layer (103) is fixedly connected to the top of the reinforcing layer (102), a wear-resistant layer (104) is fixedly connected to the top of the composite layer (103), the composite layer (103) comprises a high-temperature resistant layer (1031), an anti-corrosion layer (1032) is fixedly connected to the top of the high-temperature resistant layer (1031), and a fireproof layer (1033) is fixedly connected to the top of the anti-corrosion layer (1032).

2. A high strength polyvinyl chloride double wall corrugated pipe as claimed in claim 1, wherein: the double-wall corrugated pipe is characterized in that connecting flanges (2) are fixedly connected to two ends of the double-wall corrugated pipe body (1), and mounting holes (3) are formed in inner cavities of the connecting flanges (2).

3. A high strength polyvinyl chloride double wall corrugated pipe as claimed in claim 1, wherein: the base layer (101) is made of polyvinyl chloride, and the inner diameter of the double-wall corrugated pipe body (1) is 500 mm.

4. A high strength polyvinyl chloride double wall corrugated pipe as claimed in claim 1, wherein: the reinforcing layer (102) is made of glass fiber, and the wear-resistant layer (104) is made of superfine polytetrafluoroethylene.

5. A high strength polyvinyl chloride double wall corrugated pipe as claimed in claim 1, wherein: the high temperature resistant layer (1031) is made of polypropylene, and the corrosion resistant layer (1032) is made of epoxy resin.

6. A high strength polyvinyl chloride double wall corrugated pipe as claimed in claim 1, wherein: the fireproof layer (1033) is made of aluminum silicate fireproof fiber blanket materials, and the base layer (101), the reinforcing layer (102), the composite layer (103) and the wear-resistant layer (104) are of an integral structure.

7. A high strength polyvinyl chloride double wall corrugated pipe as claimed in claim 2, wherein: the number of the mounting holes (3) is four, and the mounting holes are uniformly distributed in the inner cavity of the connecting flange (2).