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CN-121977128-A - High-tightness polyethylene composite pipe

CN121977128ACN 121977128 ACN121977128 ACN 121977128ACN-121977128-A

Abstract

The invention relates to the technical field of composite pipes and discloses a high-tightness polyethylene composite pipe, which comprises two polyethylene composite pipe bodies, wherein a plurality of porous diversion holes are formed in the two polyethylene composite pipe bodies, the adaptive sealing mechanism comprises a pipe joint sealing compensation module sleeved at the joint of the two polyethylene composite pipe bodies and connecting ring sleeves fixedly arranged at two sides of the pipe joint sealing compensation module, and the two connecting ring sleeves are respectively arranged on the outer walls of the two polyethylene composite pipe bodies.

Inventors

  • HE CHENGFENG
  • ZHOU JIN
  • LIN JING

Assignees

  • 福建晟扬管道科技有限公司

Dates

Publication Date
20260505
Application Date
20260402

Claims (10)

  1. 1. A high sealability polyethylene composite pipe, comprising: The two polyethylene composite pipe bodies (1) are provided with a plurality of porous diversion holes (23) in the interiors of the two polyethylene composite pipe bodies (1); the self-adaptive sealing mechanism is located on the outer walls of two polyethylene composite pipe bodies (1) and is used for adaptively sealing the joint of the two polyethylene composite pipe bodies (1), and comprises a pipe joint sealing compensation module (11) sleeved on the joint of the two polyethylene composite pipe bodies (1) and a connecting ring sleeve (12) fixedly installed on two sides of the pipe joint sealing compensation module (11), wherein the two connecting ring sleeves (12) are respectively installed on the two outer walls of the two polyethylene composite pipe bodies (1), and the two outer walls of the two polyethylene composite pipe bodies (1) are all provided with auxiliary components for assisting the sealing compensation module (11) of the pipe joint.
  2. 2. The high-tightness polyethylene composite pipe as claimed in claim 1, wherein the auxiliary assembly comprises an auxiliary adhesive layer (19) fixedly installed on one side of the two connecting ring sleeves (12) and a memory elastic sealing ring (20) fixedly installed on one side of the two auxiliary adhesive layers (19), the two memory elastic sealing rings (20) and the two auxiliary adhesive layers (19) are installed on the outer walls of the two polyethylene composite pipe bodies (1), and the outer walls of the two polyethylene composite pipe bodies (1) are provided with stabilizing assemblies for assisting the two pipe interface sealing compensation modules (11).
  3. 3. The high-tightness polyethylene composite pipe according to claim 2, wherein the stabilizing component comprises a fixing clamping sleeve (14) arranged on the outer walls of the two polyethylene composite pipe bodies (1) and a plurality of through grooves (21) formed in the two fixing clamping sleeves (14), and the two polyethylene composite pipe bodies (1) are externally provided with a fixing component for fixing the two fixing clamping sleeves (14).
  4. 4. The high-tightness polyethylene composite pipe as claimed in claim 3, wherein the fixing component comprises a plurality of fixing clamping plates (16) fixedly arranged on the outer walls of the two polyethylene composite pipe bodies (1) and a plurality of fixing grooves formed in the inner walls of the fixing clamping sleeves (14), the fixing clamping plates (16) are positioned in the fixing grooves, the fixing clamping sleeves (14) are fixed through the fixing clamping plates (16), and sealing mechanisms are arranged in the opposite sides of the two polyethylene composite pipe bodies (1).
  5. 5. The high-tightness polyethylene composite pipe as claimed in claim 4, wherein the fixing clamping plates (16) are provided with fixing holes, the fixing clamping sleeve (14) is provided with a plurality of through holes, and the through holes are in one-to-one correspondence with the fixing holes.
  6. 6. The high-tightness polyethylene composite pipe as claimed in claim 5, wherein a plurality of through grooves (21) are formed in each of the two fixing clamping sleeves (14), a plurality of fixing inserting rods (18) are arranged on each of the two fixing clamping sleeves (14), and bottoms of the fixing inserting rods (18) penetrate through the through holes and are located in the installation clamping grooves (17).
  7. 7. The high-tightness polyethylene composite pipe as claimed in claim 6, wherein elastic induction type expansion adhesive layers (15) are fixedly arranged on opposite sides of the two fixing clamping sleeves (14), pressure induction type sealing adhesives (13) are arranged on outer walls of the two polyethylene composite pipe bodies (1), the pressure induction type sealing adhesives (13) are located between the memory elastic sealing rings (20) and the elastic induction type expansion adhesive layers (15), and one ends of the pressure induction type sealing adhesives (13) are fixed with the elastic induction type expansion adhesive layers (15).
  8. 8. The high-tightness polyethylene composite pipe according to claim 4, wherein the sealing mechanism comprises a fixed sleeve (3) fixedly installed inside one of the polyethylene composite pipe bodies (1), a connecting sleeve (4) fixedly installed on one side of the fixed sleeve (3) and a connecting sleeve (5) arranged at one end, far away from the fixed sleeve (3), of the connecting sleeve (4), a step part (22) is fixedly installed between the connecting sleeve (4) and the connecting sleeve (5), and an auxiliary sealing leakage-proof assembly is arranged inside the other polyethylene composite pipe body (1).
  9. 9. The high-tightness polyethylene composite pipe according to claim 8, wherein the leakage prevention component comprises a stabilizing sleeve (7) fixedly installed inside the other polyethylene composite pipe body (1) and a sealing sleeve (2) fixedly installed on one side of the stabilizing sleeve (7), the connecting sleeve (5) is located inside the connecting sleeve (5), and one end, far away from the stabilizing sleeve (7), of the sealing sleeve (2) is provided with a stabilizing component for assisting in stabilizing the sealing sleeve (2).
  10. 10. The high-tightness polyethylene composite pipe according to claim 9, wherein the stabilizing assembly comprises a fixed snap ring sleeve (10) fixedly installed at one end, far away from the stabilizing sleeve (7), of the sealing sleeve (2) and a stable snap ring (8) fixedly installed at one end, far away from the sealing sleeve (2), of the fixed snap ring sleeve (10), a containing groove (6) is formed in one side of the other polyethylene composite pipe body (1), a stepped plate (9) is fixedly installed on one side of the other polyethylene composite pipe body (1), and the stable snap ring (8) is located inside the containing groove (6).

Description

High-tightness polyethylene composite pipe Technical Field The invention relates to the technical field of composite pipes, in particular to a high-tightness polyethylene composite pipe. Background With the rapid development of modern industry and municipal engineering, the requirements on fluid conveying pipeline systems are increasingly improved, especially in the fields of conveying gas, high-purity liquid or toxic and harmful media, the sealing performance of pipelines is a key for guaranteeing safety and environmental benefits, and polyethylene pipes are widely applied to the fields of water supply, fuel gas and the like due to the characteristics of good corrosion resistance, impact resistance and easiness in processing. However, traditional seal structure adopts single rubber circle or hot melt connected mode more, sealed face laminating degree is not enough, when facing the interface displacement that geological settlement caused during the pipeline installation, and when operating mode changes such as temperature cycle, pressure fluctuation, be difficult to self-adaptation and fill little gap, the problem of medium leakage or external impurity invasion easily appears, and partly rely on the bolt single-point to fasten, lead to the interface atress uneven, easily appear not hard up after long-term use, the problem that the installation degree of difficulty is big, need whole change during the maintenance, increased fortune dimension cost and wasting of resources, the junction easily forms sealed blind area moreover, there is the cluster air leakage risk when different media are carried, result in the efficiency of construction low, and seal reliability is difficult to guarantee under complicated operating mode. Disclosure of Invention The invention aims to provide a high-tightness polyethylene composite pipe, which solves the problems that in the prior art, when working conditions such as temperature circulation and pressure fluctuation change, interface displacement caused by geological settlement are difficult to adaptively fill micro gaps, medium leakage or invasion of external impurities are easy to occur, looseness is easy to occur after long-term use, and the installation difficulty is high. In order to solve the technical problems, the invention provides the following technical scheme: a high sealability polyethylene composite pipe comprising: The two polyethylene composite pipe bodies are internally provided with a plurality of porous diversion holes; the adaptation sealing mechanism is located the outer wall of two polyethylene composite pipe bodies and is used for carrying out adaptation sealing to the junction of two polyethylene composite pipe bodies, the adaptation sealing mechanism is including the cover establish two the sealed compensation module of tubular product interface of polyethylene composite pipe body junction and fixed mounting are in the go-between cover of the sealed compensation module both sides of tubular product interface, two the go-between cover is installed respectively at two the outer wall of polyethylene composite pipe body, two the outer wall of polyethylene composite pipe body all is provided with the auxiliary assembly who is used for assisting the sealed compensation module of tubular product interface. Preferably, the auxiliary assembly comprises an auxiliary adhesive layer fixedly installed on one side of the connecting ring sleeve and a memory elastic sealing ring fixedly installed on one side of the two auxiliary adhesive layers, wherein the two memory elastic sealing rings and the two auxiliary adhesive layers are installed on the outer walls of the two polyethylene composite pipe bodies, and the outer walls of the two polyethylene composite pipe bodies are provided with stabilizing assemblies for assisting the two pipe interface sealing compensation modules. Preferably, the stabilizing component comprises a fixing clamping sleeve arranged on the outer wall of the two polyethylene composite pipe bodies and a plurality of through grooves formed in the two fixing clamping sleeves, and a fixing component used for fixing the two fixing clamping sleeves is arranged outside the two polyethylene composite pipe bodies. Preferably, the fixing assembly comprises a plurality of fixing clamping plates fixedly installed on the outer walls of the two polyethylene composite pipe bodies and a plurality of fixing grooves formed in the inner walls of the fixing clamping sleeves, the fixing clamping plates are located in the fixing grooves, the fixing clamping sleeves are fixed through the fixing clamping plates, and sealing mechanisms are arranged inside the opposite sides of the two polyethylene composite pipe bodies. Preferably, the fixing clamping plates are provided with fixing holes, the fixing clamping sleeve is provided with a plurality of through holes, and the through holes and the fixing holes are in one-to-one correspondence. Preferably, a plurality of through