CN107701818B - High-strength high-toughness MPVC pipe - Google Patents

Abstract

The invention discloses a high-strength and high-toughness MPVC pipe, comprising a pipe body, a waterproof and anti-corrosion layer and a U-shaped elastic rod. The left end of the pipe body is provided with a connector, and the left end of the connector is provided with a sealing ring. The outer surface of the pipe body is provided with anti-skid lines; the existing MPVC pipe is provided with a rigid layer and an iron-containing layer, the rigid layer is used to increase the impact resistance of the MPVC pipe, and the iron-containing layer is used to increase the strength of the MPVC, thereby avoiding Due to the low strength, the MPVC pipe is broken due to collision, which is convenient for operation and storage, and saves storage space. The existing MPVC pipe is provided with a wire light skeleton and a U-shaped elastic rod, and the U-shaped elastic rod is used. The elastic fixing feature increases the toughness of the MPVC pipe, thereby avoiding the damage caused by the low toughness under the action of external force, so that the pipe can improve the anti-damage performance during installation and use, and can more effectively resist the force of uneven settlement of the foundation. Improve the safety factor and increase the economic benefits.

Description

A kind of high strength and high toughness MPVC pipe

technical field

The invention belongs to the technical field of PVC pipes, in particular to a high-strength and high-toughness MPVC pipe.

Background technique

The main component of PVC is polyvinyl chloride, and other components are added to enhance its heat resistance, toughness and ductility. The top layer of this surface film is paint, the main component in the middle is polyvinyl chloride, and the bottom layer is a back coating adhesive. After extrusion molding by hot pressing, it is the earliest plastic pipe developed and applied. PVC-U pipe has strong corrosion resistance, easy bonding, low price and hard texture, but due to the exudation of PVC-U monomer and additives, Only suitable for applications in water supply systems with conveying temperatures not exceeding 45°C, plastic pipes for drainage, waste water, chemicals, heating and cooling fluids, food, ultrapure liquids, slurries, gases, compressed air and vacuum systems.

The existing MPVC pipes still have some shortcomings. For example, the strength of the MPVC pipes is relatively low, which easily leads to the rupture of the MPVC pipes when they are collided, which shortens the service life of the MPVC pipes, and is not conducive to transportation and accumulation. Storage, waste of storage space.

In addition, the existing MPVC pipe has low toughness, which is inconvenient to install the pipe, and under the action of thermal expansion and cold contraction, the ring pipe is easily damaged, which affects the normal work and use.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a high-strength and high-toughness MPVC pipe, in order to solve some deficiencies in the existing MPVC pipe proposed in the above-mentioned background art, for example, the pipe body strength of the MPVC pipe is low, which is easy to cause the MPVC pipe to be collided. It causes the pipe body to rupture, shortens the service life of the MPVC pipe, and is not conducive to transportation, inconvenient for accumulation and storage, and wastes storage space. Damage to the ring pipeline, affecting the normal work and use of the problem.

In order to achieve the above purpose, the present invention provides the following technical solutions: a high-strength and high-toughness MPVC pipe, a high-strength and high-toughness MPVC pipe, comprising a pipe body, a waterproof and anti-corrosion layer and a U-shaped elastic rod, and the left end of the pipe body is provided with a The connector, the left end of the connector is provided with a sealing ring, the outer surface of the pipe body is provided with anti-skid lines, the right side of the anti-skid lines is provided with anti-skid grooves, and the lower part of the anti-skid grooves is provided with a lateral anti-skid groove, The outer surface of the left end of the connector is provided with a fixed thread, the waterproof and anti-corrosion layer is installed inside the pipe body, the interior of the waterproof and anti-corrosion layer is provided with a rigid layer, and the interior of the rigid layer is provided with PVC-M layer, the inside of the PVC-M layer is provided with an iron-containing layer, the inside of the iron-containing layer is provided with an outer PE layer, the inside of the outer PE layer is provided with a steel mesh skeleton, and the inside of the steel mesh skeleton is set There is an inner PE layer, the U-shaped elastic rod is installed inside the steel mesh frame, the top of the U-shaped elastic rod is provided with an upper fixing rod, and an elastic fixing rod is arranged below the upper fixing rod, and the elastic fixing rod is A lower fixing rod is arranged below the rod.

Preferably, the sealing ring and the pipe body are fixedly connected through a connector.

Preferably, the U-shaped elastic rod and the steel mesh frame are fixedly connected by an upper fixing rod.

Preferably, the fixing rod and the lower fixing rod are fixedly connected by a U-shaped elastic rod.

Preferably, the anti-skid grooves and the anti-skid grooves are evenly distributed on the outer surface of the pipe body.

Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention has a scientific and reasonable structure, is safe and convenient to use, is provided with a rigid layer and an iron-containing layer on the existing MPVC pipe, and uses the rigid layer to increase the impact resistance of the MPVC pipe. The iron-containing layer is used to increase the strength of the MPVC, thereby avoiding the rupture of the MPVC pipe due to the collision due to the low strength, which is convenient for operation and storage, and saves the storage space. The existing MPVC pipe is provided with iron wires The light skeleton and U-shaped elastic rod use the elastic fixing feature of the U-shaped elastic rod to increase the toughness of the MPVC pipe, thereby avoiding damage caused by low toughness under the action of external force, and improving the anti-damage performance of the pipe during installation and use. , can more effectively resist the force of uneven settlement of the foundation, improve the safety factor, and increase the economic benefits.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structure right view of the present invention;

Fig. 3 is the schematic diagram of the wire mesh skeleton structure of the present invention;

In the picture: 1- sealing ring, 2- fixed thread, 3- pipe body, 4- anti-skid pattern, 5- anti-skid groove, 6- lateral anti-skid groove, 7- connector, 8- waterproof and anti-corrosion layer, 9- rigid layer , 10-PVC-M layer, 11-cast iron layer, 12-outer PE layer, 13-steel wire skeleton layer, 14-inner PE layer, 15-U-shaped elastic rod, 16- elastic rod fixed rod, 17-upper fixed rod , 18- Lower fixed rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Fig. 1, Fig. 2 and Fig. 3, the present invention provides a technical solution: comprising a high-strength and high-toughness MPVC pipe, a pipe body 3, a waterproof and anti-corrosion layer 8 and a U-shaped elastic rod 15, the left end of the pipe body 3 is provided with There is a connector 7, the left end of the connector 7 is provided with a sealing ring 1, the outer surface of the pipe body 3 is provided with an anti-skid pattern 4, the right side of the anti-skid pattern 4 is provided with an anti-skid groove 5, and a transverse direction is provided below the anti-skid groove 5. The anti-skid groove 6, the outer surface of the left end of the connector 7 is provided with a fixed thread 2, the waterproof and anti-corrosion layer 8 is installed inside the pipe body 3, the inside of the waterproof and anti-corrosion layer 8 is provided with a rigid layer 9, and the interior of the rigid layer 9 is provided with a PVC-M layer 10, an iron-containing layer 11 is arranged inside the PVC-M layer 10, an outer PE layer 12 is arranged inside the iron-bearing layer 11, and a steel mesh skeleton 13 is arranged inside the outer PE layer 12, and the steel mesh An inner PE layer 14 is arranged inside the frame 13, a U-shaped elastic rod 15 is installed inside the steel mesh frame 13, an upper fixing rod 17 is arranged at the top of the U-shaped elastic rod 15, and an elastic fixing rod is arranged below the upper fixing rod 17 16. A lower fixing rod 18 is provided below the elastic fixing rod 16 .

In order to fix the installation between the sealing ring 1 and the pipe body 3 , in this embodiment, preferably, the sealing ring 1 and the pipe body 3 are fixedly connected through a connector 7 .

In order to stabilize the structure between the U-shaped elastic rod 15 and the steel mesh frame 13 , in this embodiment, preferably, the U-shaped elastic rod 15 and the steel mesh frame 13 are fixedly connected by the upper fixing rod 17 .

In order to stabilize the structure between the upper fixing rod 17 and the lower fixing rod 18 , in this embodiment, preferably, the upper fixing rod 17 and the lower fixing rod 18 are fixedly connected by a U-shaped elastic rod 15 .

In order to make the MPVC pipe more convenient to use, in this embodiment, preferably the anti-skid pattern 4 and the anti-skid groove 5 are evenly distributed on the outer surface of the pipe body 3 .

The working principle and use process of the present invention: after the present invention is installed, place the pipe body 3 at the designated work place, connect one end of the other pipe body 3 through the connector 7, and install and fix the connection through the fixed thread 2 and the sealing ring 1 Well, when the pipe body 3 is buried, the anti-skid pattern 4, the anti-skid groove 5 and the lateral anti-skid groove 6 can not only protect the pipe body 3 to reduce wear, but also make the pipe body 3 fit with the external buried body to prevent the pipe body 3 from moving. , the impact of the buried body on the pipe body 3 can be resisted by the rigid layer 9 and the iron-containing layer 11. When the weather is rainy, the waterproof and anti-corrosion layer 8 inside the pipe body 3 reduces the corrosion to the pipe body 3. For irregular installation locations, the pipe body 3 can be adjusted to a certain extent through the wire mesh frame 13 and the U-shaped elastic rod 15 to make the installation of the pipe body 3 more convenient. The upper fixing rod 17 and the lower fixing rod 18 fix the U-shaped elastic The rod 15 prevents the uneven force of the U-shaped elastic rod 15 from damaging the stability of the wire mesh frame 13 .

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

Claims (6)

1. The utility model provides a high strength and toughness MPVC pipe, includes body (3), waterproof anti-corrosion coating (8) and U type elastic rod (15), its characterized in that: the left end of the pipe body (3) is provided with a connector (7), the left end of the connector (7) is provided with a sealing ring (1), the outer surface of the pipe body (3) is provided with anti-skid grains (4), the right side of the anti-skid grains (4) is provided with an anti-skid groove (5), a transverse anti-skid groove (6) is arranged below the anti-skid groove (5), the outer side surface of the left end of the connector (7) is provided with a fixed thread (2), the waterproof anti-corrosion layer (8) is installed inside the pipe body (3), the waterproof anti-corrosion layer (8) is internally provided with a rigid layer (9), the rigid layer (9) is internally provided with a PVC-M layer (10), the PVC-M layer (10) is internally provided with an iron-containing layer (11), the iron-containing layer (11) is internally provided with an outer PE layer (12), the outer PE layer (12) is internally provided with a steel wire mesh framework (13), u type elastic rod (15) are installed in the inside of wire net skeleton (13), the top of U type elastic rod (15) is provided with dead lever (17), the below of going up dead lever (17) is provided with elasticity dead lever (16), the below of elasticity dead lever (16) is provided with down dead lever (18).

2. A high strength and high toughness MPVC pipe as claimed in claim 1, wherein: the sealing ring (1) is fixedly connected with the pipe body (3) through a connector (7).

3. A high strength and high toughness MPVC pipe as claimed in claim 1, wherein: the U-shaped elastic rod (15) is fixedly connected with the steel wire mesh framework (13) through an upper fixing rod (17).

4. A high strength and high toughness MPVC pipe as claimed in claim 1, wherein: the upper fixing rod (17) is fixedly connected with the lower fixing rod (18) through a U-shaped elastic rod (15).

5. A high strength and high toughness MPVC pipe as claimed in claim 1, wherein: the anti-skid lines (4) and the anti-skid grooves (5) are uniformly distributed on the outer surface of the pipe body (3).

6. A high strength and high toughness MPVC pipe as claimed in claim 1, wherein: an inner PE layer (14) is arranged inside the steel wire mesh framework (13).

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