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CN-121993664-A - Polyolefin alloy material double-wall corrugated pipe

CN121993664ACN 121993664 ACN121993664 ACN 121993664ACN-121993664-A

Abstract

The invention relates to the technical field of double-wall corrugated pipes, in particular to a polyolefin alloy material double-wall corrugated pipe, which comprises a double-wall corrugated pipe body, wherein a first connector and a second connector are respectively arranged at two ends of the double-wall corrugated pipe body, the first connector comprises an inner cylinder communicated with a port of the double-wall corrugated pipe body, an outer cylinder is sleeved outside the inner cylinder, an inner ring is slidably arranged in an annular space surrounded by the outer cylinder and the inner cylinder, a straight cylinder which is slidably sleeved on the inner cylinder is arranged on the inner ring, a conical port is arranged at the port of the straight cylinder, the second connector is a cylinder which is arranged on the end face of the other side of the double-wall corrugated pipe body and is provided with threads on the outer wall, the second connector is inserted into the outer cylinder and is in threaded engagement with the inner wall of the outer cylinder when the second connector is connected with the first connector, the conical port is pushed by the second connector to lead the inner ring to stretch a spring, and the conical port is always kept in contact with the inner wall of the second connector by the elasticity of the spring.

Inventors

  • CHEN WAISONG

Assignees

  • 广东周琦管业科技有限公司

Dates

Publication Date
20260508
Application Date
20241108

Claims (7)

  1. 1. The polyolefin alloy material double-wall corrugated pipe is characterized by comprising a double-wall corrugated pipe body (1), wherein a first connector (2) and a second connector (3) are respectively arranged at two ends of the double-wall corrugated pipe body (1), the first connector (2) comprises an inner barrel (201) communicated with a port of the double-wall corrugated pipe body (1), an outer barrel (202) is sleeved outside the inner barrel (201), an inner ring (204) is slidably arranged in an annular space surrounded by the outer barrel (202) and the inner barrel (201), a straight barrel (205) which is slidably sleeved on the inner barrel (201) is arranged on the inner ring (204), a conical port (206) is formed in the port of the straight barrel (205), a group of second connectors (3) on the double-wall corrugated pipe body (1) are inserted into the outer barrel (202) of the other group through threads formed in the outer wall of the double-wall corrugated pipe body (1) and are in threaded engagement with the inner wall of the outer barrel (202), meanwhile, the inner wall of the second connectors (3) is in contact with the outer wall of the conical port (206), and a spring (207) is connected between the inner wall of the outer barrel (202) and the inner ring (204).
  2. 2. The polyolefin alloy material double-wall corrugated pipe according to claim 1, wherein the inner wall of the second connector (3) is of a chamfer structure which is matched with the inclined plane of the conical opening (206), so that the chamfer inner wall of the second connector (3) can be in contact with the inclined plane of the conical opening (206).
  3. 3. The polyolefin alloy double-wall corrugated pipe according to claim 2, wherein a first sealing gasket (4) is arranged on the inner wall of the chamfer of the second connector (3).
  4. 4. The polyolefin alloy double-wall corrugated pipe according to claim 1, wherein the second connector (3) is sleeved with a convex ring (5), and the convex ring (5) is contacted with the front end wall of the outer barrel (202) when the second connector (3) is connected with the first connector (2).
  5. 5. The polyolefin alloy double-wall corrugated pipe according to claim 4, wherein a second sealing ring (6) is arranged between the convex ring (5) and the front end wall of the outer barrel (202).
  6. 6. The polyolefin alloy double-wall corrugated pipe according to claim 1, wherein the double-wall corrugated pipe body (1) is made of polyolefin alloy material.
  7. 7. The double-wall corrugated pipe made of polyolefin alloy material according to claim 1, wherein the outer diameter of the small end of the conical opening (206) is not larger than the inner diameter of the second connecting head (3).

Description

Polyolefin alloy material double-wall corrugated pipe Technical Field The invention relates to the technical field of double-wall corrugated pipes, in particular to a polyolefin alloy material double-wall corrugated pipe. Background The double-wall corrugated pipe is a pipe with an annular structure outer wall and a smooth inner wall, the outer wall is of an annular corrugated structure, the annular rigidity of the pipe is greatly enhanced, and the resistance of the pipe to soil load is enhanced, so that the toughness of the double-wall corrugated pipe is reduced, and therefore, a polyolefin alloy material double-wall corrugated pipe is required. Disclosure of Invention Aiming at the situation, in order to overcome the defects of the prior art, the scheme provides the polyolefin alloy material double-wall corrugated pipe, which is achieved by the following specific technical means, and comprises a double-wall corrugated pipe body, wherein a first connector and a second connector are respectively arranged at two ends of the double-wall corrugated pipe body, one group of the first connectors on the double-wall corrugated pipe body are connected with the other group of the first connectors on the double-wall corrugated pipe body, the first connectors comprise inner cylinders communicated with ports of the double-wall corrugated pipe body, an outer cylinder is sleeved outside the inner cylinders, an inner ring is slidably arranged in an annular space surrounded by the outer cylinders and the inner cylinders, a straight cylinder is arranged on the inner ring in a sliding mode, a conical opening is arranged at the ports of the straight cylinder, the second connectors are cylinders which are arranged on the end face of the other side of the double-wall corrugated pipe body, the outer walls are provided with threads, the second connectors are inserted into the outer cylinders and are in threaded engagement with the inner walls when the first connectors are connected, meanwhile, the second inner walls of the connectors are in contact with the outer walls of the conical opening, springs are connected between the inner cylinders and the inner walls and the inner cylinders, when the second connectors are connected with the first connectors, and the first connectors are pushed and the inner cylinders are connected with the second connectors, and the inner cylinders are always kept in contact with the conical springs due to the inner walls, which are always by the elastic connection. According to the first preferred technical scheme, the inner wall of the connector II is of a chamfer structure matched with the bevel of the conical opening, so that the chamfer inner wall of the connector II can be in fit contact with the bevel of the conical opening. The second preferred technical scheme is that the first sealing gasket is arranged on the inner wall of the chamfer of the second connector, so that the sealing performance between the second connector and the conical opening is further improved. According to the preferred technical scheme III, the double-wall corrugated pipe body is made of polyolefin alloy materials. According to the preferred technical scheme IV, a baffle ring is arranged on the inner wall of the front port of the outer cylinder, threads on the outer wall of the connector II are meshed with threads on the inner wall of the baffle ring, and the spring is arranged between the baffle ring and the inner ring. Adopt above-mentioned structure to make this scheme possess following beneficial effect: 1. The structural characteristics of the first connector and the second connector enable the spring to continuously push in the conical opening, and the sealing ring is tightly fixed on the inner wall of the second connector, so that the tightness between the second connector and the first connector is ensured; 2. The alloy material has the advantages of high flexural modulus, high heat distortion temperature, high notch impact strength of cantilever beam and excellent mechanical property. The corrugated pipe processed by the method has the characteristics of good ring stiffness and ring flexibility, good impact performance and good environmental temperature resistance, and can prolong the service life of the corrugated pipe. The corrugated pipe is lighter in weight, so that the production cost can be reduced better. Drawings The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings: FIG. 1 is a schematic diagram of the overall structure of the present solution; FIG. 2 is a schematic structural diagram of a second connector according to the present embodiment; FIG. 3 is a cross-sectional view of the present embodiment; Fig. 4 is a partial enlarged view of the present embodiment. The double-wall