CN215215114U

CN215215114U - High-strength PVC composite water supply pipe

Info

Publication number: CN215215114U
Application number: CN202022009483.5U
Authority: CN
Inventors: 周辉; 孙钟富; 陆丽华
Original assignee: Jiangsu Baitong Plastics Development Co ltd
Current assignee: Jiangsu Baitong Plastics Development Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-12-17
Anticipated expiration: 2030-09-14

Abstract

The utility model belongs to the technical field of water supply pipes, and particularly discloses a high-strength PVC composite water supply pipe, which comprises a PVC inner pipe layer, a resin buffer layer and a PVC outer pipe layer; the inner side and the outer side of the silencing cotton filling layer are respectively attached to gaps of the grid structures of the metal net protective layer and the metal net reinforcing layer, the effect of enhancing strength is achieved through the inner metal net structure and the outer metal net structure, the PVC inner pipe layer is prevented from being impacted by external impact or internal water flow, and meanwhile, noise generated when the metal net protective layer and the metal net reinforcing layer are impacted is eliminated through the silencing cotton filling layer; the outside end face of PVC outer tube layer is provided with spaced resistance to compression metal paster, and resistance to compression metal paster is for the cyclic annular structure that corresponds to PVC outer tube layer, improves the compressive property of feed pipe through the resin buffer layer, and the further buffer pressure of partial pressure counter shaft simultaneously, resistance to compression metal paster improve PVC outer tube layer intensity to the bulk strength of feed pipe has been improved.

Description

High-strength PVC composite water supply pipe

Technical Field

The utility model relates to a feed pipe technical field specifically is a compound feed pipe of high strength PVC.

Background

The water supply pipe is a green, energy-saving and environment-friendly pipe, has the advantages of no rusting, no scaling, no diameter shrinkage, small fluid resistance, capability of effectively reducing water supply energy consumption and improving water supply quantity of water points, and is an ideal pipe for a pipe network, and the water supply pipe is divided into a metal pipe, a composite pipe and a plastic pipe. The PVC water supply pipe is produced by using sanitary polyvinyl chloride resin as a main raw material, adding a certain amount of a stabilizer, a lubricant, a filler, a coloring agent and the like, performing extrusion molding by a plastic extruder and injection molding by an injection molding machine, and performing cooling, curing, sizing, inspection, packaging and other processes.

The existing PVC water supply pipe is one of composite pipes, the existing PVC water supply pipe is easily extruded and deformed by external force in the using process to cause the PVC water supply pipe to be blocked or broken, and the existing PVC water supply pipe is easily corroded by strong acid or strong base in water or soil after being used for a period of time, so that the service life of the PVC water supply pipe is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound feed pipe of high strength PVC 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 high-strength PVC composite water supply pipe comprises a PVC inner pipe layer, a resin buffer layer and a PVC outer pipe layer; a metal mesh protection layer is arranged on the outer side of the PVC inner pipe layer, a silencing cotton filling layer is arranged on the outer layer of the metal mesh protection layer, and a metal mesh reinforcing layer is arranged on the outer side of the silencing cotton filling layer; the outer layer of the metal mesh reinforcing layer is provided with a resin buffer layer, the outer side of the resin buffer layer is provided with a plurality of embedded hole grooves which are uniformly distributed, and a partial pressure fulcrum shaft is fixed in each embedded hole groove; the outer layer of the resin buffer layer is provided with a PVC outer pipe layer, the tail end of the partial pressure fulcrum shaft is connected to the inner wall of the PVC outer pipe layer, and a buffer vacant layer is arranged between the PVC outer pipe layer and the resin buffer layer; the PVC outer pipe layer outside end face is provided with spaced resistance to compression metal paster, and resistance to compression metal paster is the cyclic annular structure corresponding to PVC outer pipe layer.

Preferably, the inner wall of the PVC inner pipe layer is provided with a nontoxic corrosion-resistant coating and an anti-scaling coating.

Preferably, the metal mesh protective layer and the metal mesh reinforcing layer are made of metal materials with a grid structure, and the grid aperture on the metal mesh protective layer is larger than that on the metal mesh reinforcing layer.

Preferably, the inner side and the outer side of the silencing cotton filling layer are respectively attached to the gaps of the grid structure on the metal net protective layer and the metal net reinforcing layer.

Preferably, a plurality of pressure-dividing fulcrum shafts which are uniformly spaced are radially distributed on the vertical section of the PVC outer pipe layer, and the pressure-dividing fulcrum shafts are made of elastic resin materials.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has simple structure, strong practicability and high strength, the inner side and the outer side of the silencing cotton filling layer are respectively attached to the grid structure gap of the metal net protective layer and the metal net reinforcing layer, the effect of reinforcing the strength is achieved through the inner layer and the outer layer of the metal net structure, the PVC inner pipe layer is prevented from being impacted by external impact or internal water flow, and simultaneously, the silencing cotton filling layer eliminates the noise generated when the metal net protective layer and the metal net reinforcing layer are impacted; the outside end face of PVC outer tube layer is provided with spaced resistance to compression metal paster, and resistance to compression metal paster is for the cyclic annular structure that corresponds to PVC outer tube layer, improves the compressive property of feed pipe through the resin buffer layer, and the further buffer pressure of partial pressure counter shaft simultaneously, resistance to compression metal paster improve PVC outer tube layer intensity to the bulk strength of feed pipe has been improved.

Drawings

Fig. 1 is a schematic view of the overall cross-sectional structure of the present invention.

In the figure: 1. a PVC innertube layer; 2. a metal mesh protective layer; 3. a sound-deadening cotton filling layer; 4. a metal mesh reinforcement layer; 5. a resin buffer layer; 6. a pressure-dividing fulcrum shaft; 7. a PVC outer pipe layer; 8. a buffer vacancy layer; 9. a pressure-resistant metal patch.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: a high-strength PVC composite water supply pipe comprises a PVC inner pipe layer 1, a resin buffer layer 5 and a PVC outer pipe layer 7; a metal mesh protective layer 2 is arranged on the outer side of the PVC inner pipe layer 1, a silencing cotton filling layer 3 is arranged on the outer layer of the metal mesh protective layer 2, and a metal mesh reinforcing layer 4 is arranged on the outer side of the silencing cotton filling layer 3; the outer layer of the metal mesh reinforcing layer 4 is provided with a resin buffer layer 5, the outer side of the resin buffer layer 5 is provided with a plurality of embedded hole grooves which are uniformly distributed, and a partial pressure fulcrum shaft 6 is fixed in each embedded hole groove; a PVC outer pipe layer 7 is arranged on the outer layer of the resin buffer layer 5, the tail end of the partial pressure fulcrum shaft 6 is connected to the inner wall of the PVC outer pipe layer 7, and a buffer vacant layer 8 is arranged between the PVC outer pipe layer 7 and the resin buffer layer 5; the end face of the outer side of the PVC outer pipe layer 7 is provided with spaced compression-resistant metal patches 9, and the compression-resistant metal patches 9 are of annular structures corresponding to the PVC outer pipe layer 7.

Furthermore, a nontoxic corrosion-resistant coating and an anti-scaling coating are arranged on the inner wall of the PVC inner pipe layer 1.

Further, metal mesh inoxidizing coating 2 and metal mesh enhancement layer 4 are the metal material who has the graticule mesh structure and make, and the graticule mesh aperture on the metal mesh inoxidizing coating 2 is greater than the graticule mesh aperture on the metal mesh enhancement layer 4.

Furthermore, the inner side and the outer side of the silencing cotton filling layer 3 are respectively attached to the gaps of the grid structure on the metal net protective layer 2 and the metal net reinforcing layer 4.

Furthermore, a plurality of pressure-dividing fulcrum shafts 6 which are evenly spaced are radially distributed on the vertical section of the PVC outer pipe layer 7, and the pressure-dividing fulcrum shafts 6 are made of elastic resin materials.

The working principle is as follows: a metal mesh protective layer 2 is arranged on the outer side of the PVC inner pipe layer 1, a silencing cotton filling layer 3 is arranged on the outer layer of the metal mesh protective layer 2, and a metal mesh reinforcing layer 4 is arranged on the outer side of the silencing cotton filling layer 3; the inner side and the outer side of the silencing cotton filling layer 3 are respectively attached to the gaps of the grid structures on the metal net protective layer 2 and the metal net reinforcing layer 4, the effect of enhancing the strength is achieved through the inner metal net structure and the outer metal net structure, the PVC inner pipe layer 1 is prevented from being impacted by external impact or internal water flow, and meanwhile, noise generated when the metal net protective layer 2 and the metal net reinforcing layer 4 are impacted is eliminated through the silencing cotton filling layer 3;

the outer layer of the metal mesh reinforcing layer 4 is provided with a resin buffer layer 5, the outer side of the resin buffer layer 5 is provided with a plurality of embedded hole grooves which are uniformly distributed, and a partial pressure fulcrum shaft 6 is fixed in each embedded hole groove; a PVC outer pipe layer 7 is arranged on the outer layer of the resin buffer layer 5, the tail end of the partial pressure fulcrum shaft 6 is connected to the inner wall of the PVC outer pipe layer 7, and a buffer vacant layer 8 is arranged between the PVC outer pipe layer 7 and the resin buffer layer 5; the terminal surface of the outer pipe layer 7 of PVC outside is provided with spaced resistance to compression metal paster 9, and resistance to compression metal paster 9 is for corresponding to the cyclic annular structure of the outer pipe layer 7 of PVC, through the compressive property that resin buffer layer 5 improved the feed pipe, and partial pressure fulcrum 6 further buffer pressure simultaneously, resistance to compression metal paster 9 improves the outer pipe layer 7 intensity of PVC to the bulk strength of feed pipe has been improved.

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 compound feed pipe of high strength PVC which characterized in that: comprises a PVC inner pipe layer (1), a resin buffer layer (5) and a PVC outer pipe layer (7); a metal mesh protective layer (2) is arranged on the outer side of the PVC inner pipe layer (1), a silencing cotton filling layer (3) is arranged on the outer layer of the metal mesh protective layer (2), and a metal mesh reinforcing layer (4) is arranged on the outer side of the silencing cotton filling layer (3); the outer layer of the metal mesh reinforcing layer (4) is provided with a resin buffer layer (5), the outer side of the resin buffer layer (5) is provided with a plurality of embedded hole grooves which are uniformly distributed, and a partial pressure fulcrum shaft (6) is fixed in each embedded hole groove; a PVC outer pipe layer (7) is arranged on the outer layer of the resin buffer layer (5), the tail end of the partial pressure fulcrum shaft (6) is connected to the inner wall of the PVC outer pipe layer (7), and a buffer vacant layer (8) is arranged between the PVC outer pipe layer (7) and the resin buffer layer (5); the PVC outer pipe layer (7) outside terminal surface is provided with spaced resistance to compression metal paster (9), and resistance to compression metal paster (9) are the cyclic annular structure corresponding to PVC outer pipe layer (7).

2. The high-strength PVC composite water supply pipe according to claim 1, characterized in that: the inner wall of the PVC inner pipe layer (1) is provided with a nontoxic corrosion-resistant coating and an anti-scaling coating.

3. The high-strength PVC composite water supply pipe according to claim 1, characterized in that: the metal mesh protective layer (2) and the metal mesh reinforcing layer (4) are made of metal materials with a grid structure, and the grid aperture on the metal mesh protective layer (2) is larger than that on the metal mesh reinforcing layer (4).

4. The high-strength PVC composite water supply pipe according to claim 1, characterized in that: the inner side and the outer side of the silencing cotton filling layer (3) are respectively attached to the gaps of the grid structure on the metal net protective layer (2) and the metal net reinforcing layer (4).

5. The high-strength PVC composite water supply pipe according to claim 1, characterized in that: a plurality of pressure-dividing fulcrum shafts (6) which are evenly spaced are radially distributed on the vertical section of the PVC outer pipe layer (7), and the pressure-dividing fulcrum shafts (6) are made of elastic resin materials.