Slurry conveying Pe pipe with wear-resistant inner wall

Abstract

The utility model provides a mud delivery Pe pipe with a wear-resistant inner wall, which comprises an outer Pe pipe, an inner Pe pipe is mounted inside the outer Pe pipe in a pluggable manner, a butt joint pipe head is fixedly mounted at a port of the outer Pe pipe, and an external thread positioning cylinder is fixedly mounted inside the outer end of the butt joint pipe head through threads; a sealing edge is fixedly mounted at the outer end of the external thread positioning cylinder; according to the integral arrangement, after the inner Pe pipe is abraded, the inner Pe pipe can be independently replaced, and meanwhile, after the outer Pe pipe is abraded, the outer Pe pipe can be independently replaced, so that the material waste can be effectively reduced, and the whole body is more energy-saving and environment-friendly.

Description

Technical Field

[0001] The utility model belongs to the field of PE pipes, and in particular relates to a slurry conveying Pe pipe with a wear-resistant inner wall. Background Art

[0002] PE pipe, or polyethylene pipe, is a pipe made of polyethylene material. Polyethylene is a thermoplastic resin with good chemical stability and is not easily corroded by acids and alkalis. Due to its unique advantages, PE pipe is widely used in building water supply, building drainage, buried drainage pipes, building heating, gas pipelines, electrical and telecommunications protective casings, industrial pipes, agricultural pipes and other fields.

[0003] However, the existing Pe pipe for mud transportation with wear-resistant inner wall needs to be replaced as a whole after the inner wall is worn, which will cause a lot of waste.

[0004] Therefore, it is very necessary to invent a kind of slurry conveying Pe pipe with wear-resistant inner wall. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a Pe pipe for mud transportation with an anti-wear inner wall, and the technical solution adopted is: a Pe pipe for mud transportation with an anti-wear inner wall, comprising an outer Pe pipe, wherein: an inner Pe pipe is installed inside the outer Pe pipe by plugging and unplugging, and a butt joint is fixedly installed on the port of the outer Pe pipe, and an external threaded positioning cylinder is fixedly installed inside the outer end of the butt joint through a thread; a sealing edge is fixedly installed on the outer end of the external threaded positioning cylinder; the diameter of the sealing edge is the same as the diameter of the butt joint, and the inner diameter of the butt joint is the same as the diameter of the external threaded positioning cylinder, and the inner diameter of the external threaded positioning cylinder is the same as the inner diameter of the inner Pe pipe.

[0006] Preferably, a flange is slidably mounted on the outer Pe tube, and a plurality of limiting grooves are evenly distributed on the inner surface of the outer Pe tube; the inner Pe tube is connected to the limiting grooves by plugging and unplugging.

[0007] Preferably, a plurality of limit strips corresponding to the limit grooves are evenly and fixedly mounted on the outer surface of the inner Pe tube, and a plurality of spheres are evenly and rotatably mounted on the limit strips; the limit strips and spheres are both in the corresponding limit grooves.

[0008] Preferably, the inner surface of the outer end of the butt joint is provided with an internal thread for connecting with the external thread positioning cylinder.

[0009] Preferably, a plurality of sealing ring grooves with different diameters are evenly distributed on the outer surface of the sealing edge, and the sealing edge and the sealing ring groove are coaxial with the external thread positioning cylinder.

[0010] Compared with the prior art, the advantages of the utility model are:

[0011] The overall arrangement of the utility model can replace the inner Pe tube separately after the inner Pe tube is worn; at the same time, the outer Pe tube can be replaced separately after the outer Pe tube is worn, so that the waste of materials can be effectively reduced, thereby making the whole more energy-saving and environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the explosion structure of the utility model.

[0013] Figure 2 It is a schematic diagram of the assembly structure of the utility model.

[0014] Figure 3 It is a partial cutaway structural schematic diagram of the utility model.

[0015] In the figure:

[0016] Outer Pe pipe 1, inner Pe pipe 2, butt joint 3, flange 4, external thread positioning cylinder 5, sealing edge 6, sealing ring groove 7, limit strip 8, sphere 9, limit groove 10, internal thread 11. DETAILED DESCRIPTION

[0017] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be described clearly and completely below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0018] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0019] The utility model is further described below in conjunction with the accompanying drawings: Embodiment 1

[0020] Reference Figure 1-3 A Pe pipe for conveying mud with an anti-wear inner wall comprises an outer Pe pipe 1, wherein: an inner Pe pipe 2 is installed inside the outer Pe pipe 1 by plugging and unplugging, and can be disassembled and assembled through the arrangement between the outer Pe pipe 1 and the inner Pe pipe 2, so that the outer Pe pipe 1 or the inner Pe pipe 2 can be replaced separately after being worn, and a butt joint 3 is fixedly installed at the port of the outer Pe pipe 1, and the arrangement of the butt joint 3 allows the external thread positioning cylinder 5 to be disassembled and assembled, and the outer end of the butt joint 3 is fixedly installed with an external thread positioning cylinder 5 by thread, and the arrangement of the external thread positioning cylinder 5 allows The inner Pe tube 2 is fixed in the outer Pe tube 1 to ensure the stability of the inner Pe tube 2 in the outer Pe tube 1 and prevent the inner Pe tube 2 from being displaced in the outer Pe tube 1; a sealing edge 6 is fixedly installed on the outer end of the external threaded positioning tube 5. Through the setting of the sealing edge 6, the sealing of the joint can be ensured after the two Pe tubes are connected, and the external threaded positioning tube 5 is easy to disassemble and assemble; the diameter of the sealing edge 6 is the same as the diameter of the connecting pipe head 3, and the inner diameter of the connecting pipe head 3 is the same as the diameter of the external threaded positioning tube 5, and the inner diameter of the external threaded positioning tube 5 is the same as the inner diameter of the inner Pe tube 2.

[0021] A flange 4 is slidably installed on the outer Pe tube 1 to facilitate fixed connection between the two Pe tubes, and a number of limit grooves 10 are evenly distributed on the inner surface of the outer Pe tube 1; the inner Pe tube 2 is connected to the limit grooves 10 by plugging and unplugging; a number of limit strips 8 corresponding to the limit grooves 10 are evenly and fixedly installed on the outer surface of the inner Pe tube 2, and a number of balls 9 are evenly and rotatably installed on the limit strips 8. Through the setting of the balls 9, during the process of disassembling and assembling the inner Pe tube 2, they can roll in the limit grooves 10, thereby reducing friction and ensuring the smoothness of the limit strips 8 moving in the limit grooves 10; the limit strips 8 and the balls 9 are both in the corresponding limit grooves 10. Through the setting of the limit strips 8 and the limit grooves 10, the inner Pe tube 2 can be limited to ensure the stability of the inner Pe tube 2 in the outer Pe tube 1 and prevent the inner Pe tube 2 from rotating in the outer Pe tube 1.

[0022] The inner surface of the outer end of the butt joint 3 is provided with an internal thread 11 for connecting with the external thread positioning cylinder 5 .

[0023] The outer surface of the sealing edge 6 is evenly provided with a plurality of sealing ring grooves 7 of different diameters. Through the setting of the sealing ring grooves 7, when two Pe pipes are butt-jointed, corresponding sealing rings can be placed to ensure the sealing of the butt joint, and the sealing edge 6 and the sealing ring grooves 7 are coaxial with the external thread positioning cylinder 5.

[0024] In this embodiment, when two Pe tubes are butt-jointed, Figure 2 The corresponding flange 4 is sleeved on the port of the outer Pe pipe 1, and the corresponding butt joint 3 is fixedly installed on the port of the outer Pe pipe 1 by hot melting; then the external thread positioning cylinder 5 is fixedly installed on the end of the butt joint 3 with the internal thread 11, and the internal Pe pipe 2 in the outer Pe pipe 1 is fixedly limited by the external thread positioning cylinder 5 to prevent the internal Pe pipe 2 from moving in the outer Pe pipe 1; finally, the flanges 4 on the two Pe pipes are connected by the corresponding bolts;

[0025] Later, when the inner Pe tube 2 of the Pe tube is damaged, it is only necessary to remove the bolts on the flange 4 at one end of the Pe tube to separate the damaged end of the Pe tube from the other ends of the Pe tube, and then remove the external thread positioning cylinder 5 to pull out the damaged inner Pe tube 2, and then replace it with a new inner Pe tube 2;

[0026] When the outer Pe tube 1 of the Pe tube is damaged, remove the bolts on the flanges 4 at both ends of the damaged Pe tube to separate the two ends of the damaged Pe tube from other Pe tubes, then remove the external threaded positioning cylinder 5, and then pull out the damaged outer Pe tube 1, and put a new outer Pe tube 1 on the outside of the inner Pe tube 2.

[0027] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A Pe pipe for slurry transportation with wear-resistant inner wall, characterized in that: It comprises an outer Pe tube (1), wherein an inner Pe tube (2) is installed in the outer Pe tube (1) by plugging and unplugging, and a butt joint (3) is fixedly installed at the end of the outer Pe tube (1); an external thread positioning cylinder (5) is fixedly installed in the outer end of the butt joint (3) by means of threads; and a sealing edge (6) is fixedly installed at the outer end of the external thread positioning cylinder (5).

2. A Pe pipe for slurry transportation with anti-wear inner wall as claimed in claim 1, characterized in that: A flange (4) is slidably mounted on the outer Pe tube (1), and a plurality of limiting grooves (10) are evenly distributed on the inner surface of the outer Pe tube (1); the inner Pe tube (2) is connected to the limiting grooves (10) by plugging and unplugging.

3. A Pe pipe for slurry transportation with anti-wear inner wall as claimed in claim 2, characterized in that: A plurality of limit bars (8) corresponding to the limit grooves (10) are evenly and fixedly mounted on the outer surface of the inner Pe tube (2), and a plurality of spheres (9) are evenly and rotatably mounted on the limit bars (8); the limit bars (8) and the spheres (9) are both located in the corresponding limit grooves (10).

4. A Pe pipe for slurry transportation with anti-wear inner wall as claimed in claim 1, characterized in that: The inner surface of the outer end of the butt joint (3) is provided with an internal thread (11) for connecting with the external thread positioning cylinder (5).

5. A Pe pipe for slurry transportation with anti-wear inner wall as claimed in claim 4, characterized in that: The outer surface of the sealing edge (6) is evenly provided with a plurality of sealing ring grooves (7) of different diameters.

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