CN219510321U

CN219510321U - Low-temperature-resistant anti-frost-crack PVC pipe

Info

Publication number: CN219510321U
Application number: CN202320757110.7U
Authority: CN
Inventors: 陶叶根
Original assignee: Hangzhou Jiantong Plastic Industry Co ltd
Current assignee: Hangzhou Jiantong Plastic Industry Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-08-11
Anticipated expiration: 2033-04-07

Abstract

The utility model relates to the field of PVC pipes and discloses a low-temperature-resistant anti-frost-crack PVC pipe, which comprises an inner pipe, wherein an insulating layer is fixed on the outer side of the inner pipe, a reinforcing layer is bonded on the outer side of the insulating layer, a high-temperature-resistant layer is bonded and fixed on the outer side of the reinforcing layer, a cold-resistant anti-frost-layer is fixed on the outer side of the high-temperature-resistant layer, the inner pipe is made of PVC materials and is fixedly clamped with the insulating layer, the insulating layer is provided with a plurality of insulating layers, the insulating layers are fixed on the outer side of the inner pipe at equal angles, the reinforcing layer is of a reticular structure and made of glass fiber meshes.

Description

Low-temperature-resistant anti-frost-crack PVC pipe

Technical Field

The utility model relates to the technical field of PVC pipes, in particular to a low-temperature-resistant frost crack-resistant PVC pipe.

Background

The PVC pipe is mainly composed of polyvinyl chloride, and other components are added to strengthen the heat resistance, toughness and ductility of the PVC pipe. The uppermost layer of the surface film is paint, the main component in the middle is polyvinyl chloride, and the lowermost layer is back coating adhesive, so that the surface film has the advantages of strong corrosion resistance, long service life and easiness in processing and forming.

The bulletin number is: the Chinese patent of CN217559224U discloses a spiral mute PVC-U pipe, which comprises a pipeline, wherein the pipeline comprises an inner pipe body and an outer pipe body, a middle bearing plate is formed between the inner pipe body and the outer pipe body at intervals, and a space channel is reserved between two adjacent middle bearing plates.

This patent has the following drawbacks: the device sets up the inside of body and separates empty passageway, has reduced the noise but can make the intensity of whole pipe fitting weaken to life-span when influencing the pipeline.

Therefore, the low-temperature-resistant frost crack-resistant PVC pipe improves the problems.

Disclosure of Invention

The utility model aims to provide a low-temperature-resistant frost crack-resistant PVC pipe to solve the problem that strength of the PVC pipe is weakened.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a PVC tubular product is prevented frostbite and split by low temperature resistant, includes the inner tube, the outside of inner tube is fixed with the heat preservation, the outside bonding of heat preservation has the enhancement layer, the outside bonding of enhancement layer is fixed with high temperature resistant layer, the outside of high temperature resistant layer is fixed with cold-resistant layer that prevents frostbite.

The inner tube is PVC material, and is fixed with heat preservation joint, the heat preservation is provided with a plurality of, and the equiangle is fixed in the outside of inner tube.

Wherein the reinforcing layer is of a net structure and is made of a glass fiber net.

Wherein, high temperature resistant layer inlays and cup joints in cold-resistant layer's inside.

Wherein the high temperature resistant layer is made of high temperature resistant flame retardant mica tape.

Wherein, wear-resisting particles are fixed on the outer side of the cold-resistant antifreezing layer.

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

according to the utility model, the heat-insulating layer is arranged into a plurality of pieces, when the heat-insulating layer is damaged, the heat-insulating layer can be replaced in a single piece, resources are saved, and the heat-insulating layer is a PPR cold-resistant antifreezing layer.

Drawings

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

FIG. 2 is a schematic structural view of a cross-sectional view of the present utility model;

fig. 3 is a schematic structural view of an exploded view of the present utility model.

In the figure: 1. an inner tube; 2. a heat preservation layer; 3. a reinforcing layer; 4. a high temperature resistant layer; 5. and a cold-resistant and antifreezing layer.

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. 1-3, the present utility model provides a technical solution: the utility model provides a PVC tubular product is prevented frostbite by low temperature, includes inner tube 1, and the outside of inner tube 1 is fixed with heat preservation 2, and the outside bonding of heat preservation 2 has reinforcement layer 3, and the outside bonding of reinforcement layer 3 is fixed with high temperature resistant layer 4, and the outside of high temperature resistant layer 4 is fixed with cold-resistant layer 5 that prevents frostbite. The heat preservation layer 2 is fixed on the outer side of the inner pipe 1, then a layer of glue is brushed on the outer side of the heat preservation layer 2, the reinforcing layer 3 is bonded on the outer side of the heat preservation layer 2, then the high temperature resistant layer 4 is bonded on the outer side of the reinforcing layer 3, and the cold-resistant anti-freezing layer 5 is fixed on the outer side of the high temperature resistant layer 4.

Wherein, inner tube 1 is PVC material, and is fixed with heat preservation 2 joint, and heat preservation 2 is provided with a plurality of, and the equiangle is fixed in the outside of inner tube 1. The heat preservation layers 2 are respectively clamped on the outer sides of the inner pipes 1, then the outer sides of the inner pipes 1 are wrapped, the heat preservation layers 2 are arranged into a plurality of pieces, and after the heat preservation layers 2 are damaged, the heat preservation layers can be replaced in a single piece, so that resources are saved.

Wherein the reinforcing layer 3 is a net structure and is made of a glass fiber net. The reinforcing layer 3 can enable the pipe body to have good frost crack prevention effect.

Wherein, high temperature resistant layer 4 inlay cup joints in cold-resistant layer 5's inside. The high temperature resistant layer 4 is convenient to install quickly, and the high temperature resistant layer 4 can be prevented from sliding in the cold-resistant anti-freezing layer 5.

Wherein the high temperature resistant layer 4 is made of high temperature resistant flame retardant mica tape. The deformation of the pipe body caused by high temperature can be reduced.

Wherein, wear-resistant particles are fixed on the outer side of the cold-resistant antifreezing layer 5. For the cold-resistant layer that prevents frostbite of PPR, this structure has advantageously guaranteed that PVC tubular product can not take place to become fragile, receive the circumstances of breaking and frost crack after the impact when using under the environment of low temperature.

Working principle: when the heat-insulating layer 2 is used, the heat-insulating layer 2 is respectively clamped on the outer side of the inner pipe 1, then the outer side of the inner pipe 1 is wrapped, the heat-insulating layer 2 is arranged into a plurality of pieces, after the heat-insulating layer 2 is damaged, the heat-insulating layer 2 can be subjected to single-piece replacement, resources are saved, then the outer side of the heat-insulating layer 2 is brushed with a layer of glue, the reinforcing layer 3 is bonded on the outer side of the heat-insulating layer 2, then the high-temperature-resistant layer 4 is bonded on the outer side of the reinforcing layer 3, and the cold-resistant and anti-freezing layer 5 is fixed on the outer side of the high-temperature-resistant layer 4.

Claims

1. The utility model provides a low temperature resistant PVC tubular product that prevents frostbite and split, includes inner tube (1), its characterized in that: the heat-insulating layer (2) is fixed on the outer side of the inner pipe (1), the reinforcing layer (3) is bonded on the outer side of the heat-insulating layer (2), the high-temperature resistant layer (4) is bonded and fixed on the outer side of the reinforcing layer (3), and the cold-resistant and anti-freezing layer (5) is fixed on the outer side of the high-temperature resistant layer (4).

2. The low temperature resistant frost crack resistant PVC pipe as in claim 1, wherein: the inner tube (1) is made of PVC material and is fixedly clamped with the heat preservation layer (2), the heat preservation layer (2) is provided with a plurality of heat preservation layers, and the inner tube (1) is fixed at the outer side at equal angles.

3. The low temperature resistant frost crack resistant PVC pipe as in claim 1, wherein: the reinforcing layer (3) is of a net structure and is made of a glass fiber net.

4. The low temperature resistant frost crack resistant PVC pipe as in claim 1, wherein: the high-temperature resistant layer (4) is inlaid and sleeved in the cold-resistant anti-freezing layer (5).

5. The low temperature resistant frost crack resistant PVC pipe as in claim 1, wherein: the high-temperature resistant layer (4) is made of a high-temperature resistant flame-retardant mica tape.

6. The low temperature resistant frost crack resistant PVC pipe as in claim 1, wherein: wear-resistant particles are fixed on the outer side of the cold-resistant anti-freezing layer (5).