CN215596627U

CN215596627U - MUHDPE nanometer modified high-density polyethylene alloy pipe

Info

Publication number: CN215596627U
Application number: CN202122403801.0U
Authority: CN
Inventors: 斯孝林
Original assignee: Guizhou Ruiqi Plastic Technology Co ltd
Current assignee: Guizhou Ruiqi Plastic Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-01-21
Anticipated expiration: 2031-09-30

Abstract

The application relates to the technical field of corrugated pipes, and particularly discloses a MUHDPE nanometer modified high-density polyethylene alloy pipe which comprises an inner pipe, an outer pipe and a connecting port; the wall of the inner pipe is smooth; the outer pipe comprises wave crests and wave troughs, and the wave troughs are adhered to the inner pipe; the connector comprises a socket and a socket, the socket and the socket are positioned at two ends of the MUHDPE nanometer modified high-density polyethylene alloy pipe, the socket is of an annular conical structure, and a socket section and the end part of the alloy pipe are integrally formed and are inserted into the socket end through extrusion deformation; an annular groove is formed in the socket, an annular baffle is fixedly arranged at the socket, and the annular groove and the annular baffle are matched to connect two identical MUHDPE nanometer modified high-density polyethylene alloy pipes; the inner pipe and the outer pipe are both made of MUHDPE nanometer modified high-density polyethylene materials.

Description

MUHDPE nanometer modified high-density polyethylene alloy pipe

Technical Field

The utility model relates to the technical field of corrugated pipes, in particular to a MUHDPE nanometer modified high-density polyethylene alloy pipe.

Background

The corrugated pipe in the prior art is mainly used in the fields of municipal works, traffic facilities, agriculture, water conservancy construction and the like, is located in the soil burying conditions of different environments for a long time, is easy to become brittle, can reduce the ring rigidity and the toughness, is connected by mostly compensating pipes in the connecting mode of the corrugated pipe in the prior art, is not changed in operation, has high requirements on manpower and material resources, is easy to become brittle and the like in the connecting position, and is not easy to replace a damaged pipeline.

Aiming at the defects of the prior art, the utility model provides the MUHDPE nanometer modified high-density polyethylene alloy pipe which can overcome the problems, can maintain the original performance and technical parameters in the life cycle under different use conditions and different geological environments, can resist aging and corrosion, has stronger ring stiffness, is convenient to install and disassemble, and is simple to replace.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a MUHDPE nanometer modified high-density polyethylene alloy pipe to solve the problems in the prior art.

The MUHDPE nanometer modified high-density polyethylene alloy pipe comprises an inner pipe, an outer pipe and a connecting port; the wall of the inner pipe is smooth; the outer pipe comprises wave crests and wave troughs, and the wave troughs are adhered to the inner pipe; the connector comprises a socket and a socket, the socket and the socket are positioned at two ends of the MUHDPE nanometer modified high-density polyethylene alloy pipe, the socket is of an annular conical structure, and a socket section and the end part of the alloy pipe are integrally formed and are inserted into the socket end through extrusion deformation; an annular groove is formed in the socket, an annular baffle is fixedly arranged at the socket, and the annular groove and the annular baffle are matched to connect two identical MUHDPE nanometer modified high-density polyethylene alloy pipes; the inner pipe and the outer pipe are both made of MUHDPE nanometer modified high-density polyethylene materials. When the MUHDPE nanometer modified high-density polyethylene alloy pipe is installed and disassembled, the bolt is inserted into the C-shaped hoop to compress tightly to enable the socket to deform only by disassembling the semi-ring wedge bolt, complex tools do not need to be carried, the operation is simple, the ring stiffness is high, and the anti-aging and anti-corrosion effects are achieved.

The first preferred scheme is as follows: as a further optimization of the basic solution, the socket is deformed by C-shaped hoop extrusion. The socket is conical, so that the socket can be conveniently inserted, the C-shaped hoop is extruded to shrink the diameter of the socket, and the socket can be inserted, and the C-shaped hoop is loosened to recover to form tight connection.

The preferred scheme II is as follows: as a further optimization of the first preferred scheme, an annular sealing ring is arranged on the side wall of the annular groove on the socket, which is close to the end part of the socket end, and the annular sealing ring abuts against the inner wall of the socket to realize sealing. The inner diameter of the annular sealing ring can change along with the deformation change of the socket, and when the socket returns, the shape-changing sealing ring is abutted against the inner wall of the socket.

The preferable scheme is three: as a further optimization of the second preferred scheme, the socket is tightly propped through the semi-ring wedge, and the semi-ring wedge is inserted into a groove formed by the tail of the socket end and the pipe body. In order to avoid the deformation of the socket caused by the increase of the buried soil bearing, the diameter is reduced, the semi-ring wedge is loosened at the interface and tightly supports the socket, and the connection stability can be enhanced.

The preferable scheme is four: as a further optimization of the third preferred scheme, the semi-ring wedge is composed of two semicircular symmetrical components, and the two components form a surround through bolts. The semi-ring wedges of the two assemblies can be conveniently disassembled, when the two alloy pipes need to be separated, the semi-ring wedges are disassembled, and the inserting ports are compressed and pulled out.

The preferable scheme is five: as a further optimization of the preferable scheme four, the socket is provided with a groove for accommodating the C-shaped hoop so as to avoid the C-shaped hoop from being separated. The C-shaped hoop is reserved on the socket and does not need to be taken down, and when two alloy pipes need to be separated, the bolt on the semi-ring wedge is inserted into the C-shaped hoop without being reinstalled.

The preferable scheme is six: as a further optimization of the preferred embodiment, the material of the reinforcing layer is a PP polypropylene material. The PP material has impact resistance, acid and alkali corrosion resistance and organic solvent corrosion resistance.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 3 is a schematic view of a C-shaped band according to an embodiment of the present invention;

FIG. 4 is a schematic view of a half-ring wedge according to an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the pipe comprises an inner pipe 10, an outer pipe 20, wave crests 21, wave troughs 22, a reinforcing layer 30, an annular baffle 41, an annular clamping groove 45, an annular sealing ring 43, a C-shaped hoop 46, a hoop groove 47, a semi-ring wedge 50, a socket platform 51, a socket 52, a socket 53, a socket wall 531, a laminated wall thickness e and a laminated wall thickness e 1.

The first embodiment is as follows:

the examples are substantially as shown in figures 1 to 4 of the accompanying drawings:

the MUHDPE nanometer modified high-density polyethylene alloy pipe consists of an inner pipe 10, an outer pipe 20 and a reinforcing layer 30; the inner tube 10 is in a straight tube shape, and the inner wall is smooth; the outer pipe 20 contains expansion joints which are wavy and comprise wave crests 21 and wave troughs 22, and the wave troughs 22 are adhered to the outer wall of the inner pipe 10; the inner pipe 10 and the outer pipe 20 are both made of nano modified high density polyethylene (MUHDPE); the reinforcing layer 30 is made of PP material, is tightly attached to the outer tube 20 and is waved along with the outer tube 20; two ports of the MUHDPE nanometer modified high-density polyethylene alloy pipe are respectively a socket 52 and a socket 53, and the two alloy pipes are connected in a way that the socket 52 at the head end of one alloy pipe is inserted into the socket 53 at the tail end of the other alloy pipe; the socket 52 comprises an annular clamping groove 45, the inner wall of the socket 53 comprises a fixed annular baffle plate 41, the layer mouth wall thickness e1 of the socket 53 and the socket 52 is larger than the laminated wall thickness e, the strength is higher than that of a pipe body, the socket 52 is inserted into the socket 53, and the annular clamping groove 45 is matched with the annular baffle plate 41 to enable two identical alloy pipes to be tightly connected.

The specific implementation process is as follows:

the inner diameter of the inner pipe 10 of the MUHDPE nanometer modified high-density polyethylene alloy pipe is smaller than that of the outer pipe 20, the inner wall is smooth, and the material is MUHDPE material; the outer tube 20 is also made of MUHDPE material, and the ring rigidity grade of the MUHDPE material can reach SN 20; the outer pipe 20 is adhered to the inner pipe 10 through heating and extrusion, a wave crest 21 is formed through negative pressure adsorption, and the unadsorbed part is adhered to the inner pipe 10 through extrusion to form a wave trough 22; the reinforcing layer 30 is made of PP material, is attached to the outer tube 20 before extrusion and is extruded together with the outer tube 20, and the reinforcing layer 30 has the function of improving the impact resistance, mechanical toughness, organic solvent corrosion resistance and acid-base corrosion resistance of the alloy tube.

The head end of the alloy pipe is a socket 52, the tail end of the alloy pipe is a socket 53, the diameter of the tail end of the socket 52 is larger than that of the socket 53 when the socket 52 is in a natural state, the socket 52 is conical, and the socket 52 is matched with the socket 53 to connect two sections of alloy pipes with the same diameter. The socket 52 and the socket 53 each have a laminar wall thickness e1 greater than the laminar wall thickness e, and the socket 53 has an inner diameter greater than the inner diameter of the tube. The socket 52 is made of elastic materials, the socket 52 is pushed into the socket 53 after being extruded by the C-shaped hoop 46, when the end of the socket 52 reaches the wall of the socket 53, the bolt of the C-shaped hoop 46 is loosened, the socket 52 is restored, namely the matching of the annular separation blade 41 and the annular clamping groove 45 is completed, and at the moment, the C-shaped hoop 46 is kept on the socket 52 and does not need to be taken down; in order to prevent the C-shaped hoop 46 from sliding on the socket 52, the socket 52 is provided with a hoop groove 47, and the C-shaped hoop 46 is clamped into the hoop groove 47 to tighten the bolt so as to press the elastic socket 52.

The annular sealing ring 43 is arranged in front of the annular groove 45 (as shown in fig. 1, the left side wall of the annular groove 45), the annular sealing ring 43 is made of rubber elastic material, the inner diameter of the annular sealing ring can stretch, when the socket 52 is extruded and deformed, the annular sealing ring 43 does not depart from the socket 52, and the annular sealing ring abuts against the inner wall of the socket on the left side of the annular blocking piece 41 to realize sealing. The annular sealing ring 43 is used for sealing to enable two identical alloy pipes to be in seamless butt joint, and sewage is prevented from overflowing.

The semi-ring wedge 50 is arranged in a groove formed by the socket platform 51 and the socket 52 to tightly abut against the socket 52, so that deformation of the socket 52 caused by increase of buried soil bearing, diameter reduction and interface looseness are avoided. The half-ring wedges 50 are of two semi-annular tile-shaped structures, and after the sockets 52 are connected with the sockets 53, the two half-ring wedges 50 are fastened and enclosed in the grooves formed by the socket platforms 51 and the sockets 52 through bolts. The size of the bolt here is the same as the size of the C-band bolt.

When the connected alloy pipes need to be separated and replaced, the bolt is opened, the semi-ring wedges 50 are removed, the bolt is inserted into the C-shaped hoops 46 and screwed, the inserting opening 52 is squeezed, and force is applied backwards to pull out the rear-end alloy pipes.

Example two:

the difference between the second embodiment and the first embodiment is that the reinforcing layer 30 may not be attached to the MUHDPE nano-modified hdpe alloy pipe, if the MUHDPE nano-modified hdpe alloy pipe is used under different conditions or in different soil-burying environments.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

The MUHDPE nanometer modified high-density polyethylene alloy pipe is characterized in that: comprises an inner pipe, an outer pipe and a connecting port; the wall of the inner pipe is smooth; the outer pipe comprises wave crests and wave troughs, and the wave troughs are adhered to the inner pipe; the connector comprises a socket and a socket, the socket and the socket are positioned at two ends of the MUHDPE nanometer modified high-density polyethylene alloy pipe, the socket is of an annular conical structure, and a socket section and the end part of the alloy pipe are integrally formed and are inserted into the socket end through extrusion deformation; an annular groove is formed in the socket, an annular baffle is fixedly arranged at the socket, and the annular groove and the annular baffle are matched to connect two identical MUHDPE nanometer modified high-density polyethylene alloy pipes; the inner pipe and the outer pipe are both made of MUHDPE nanometer modified high-density polyethylene materials.
2. The MUHDPE nano-modified high density polyethylene alloy tube of claim 1, wherein: the socket realizes deformation through C shape hoop extrusion.
3. The MUHDPE nano-modified high density polyethylene alloy tube of claim 2, wherein: the side wall of the annular groove on the socket, which is close to the end part of the socket end, is provided with an annular sealing ring, and the annular sealing ring is abutted against the inner wall of the socket to realize sealing.
4. The MUHDPE nano-modified high density polyethylene alloy tube of claim 3, wherein: the socket is tightly propped through the semi-ring wedge, and the semi-ring wedge is inserted into a groove formed by the tail of the socket end and the pipe body.
5. The MUHDPE nano-modified high density polyethylene alloy tube of claim 4, wherein: the semi-ring wedge is composed of two symmetrical components which are semi-circles, and the two components are surrounded through bolts.
6. The MUHDPE nano-modified high density polyethylene alloy tube of claim 5, wherein: the socket is provided with a groove for accommodating the C-shaped hoop, so that the C-shaped hoop is prevented from being separated.
7. The MUHDPE nano-modified high density polyethylene alloy pipe of claim 6, wherein: the reinforcing layer is made of PP polypropylene material.