Double-wall PE corrugated pipe capable of resisting external pressure intensity

Abstract

The utility model provides an external-pressure-resistant double-wall PE corrugated pipe which comprises a pipe body piece, a plurality of sets of installation grooves, a plurality of sets of PE corrugated pipes and a plurality of sets of PE corrugated pipes, wherein the installation grooves are distributed in the outer wall of the pipe body piece at intervals; the annular supporting pieces are assembled in the mounting grooves, the annular supporting pieces are connected through at least two sets of connecting rod pieces, and the connecting rod pieces are arranged in the axial direction of the pipe body piece. The outer protection pieces composed of the annular supporting pieces and the connecting rod pieces are arranged on the peripheral side of the pipe body piece in a staggered mode, the annular supporting pieces and the connecting rod pieces form a net-shaped structure to improve the structural strength of the annular side and the peripheral side of the pipe body piece, and the outer protection pieces composed of the annular supporting pieces and the connecting rod pieces are arranged on the pipe body piece at intervals. On-site equipment advantages can be achieved, and reinforcing protection can be conducted at the designated position according to needs in the specific installation process.

Description

Technical Field

[0001] The utility model belongs to the technical field of PE corrugated pipes, in particular to a double-wall PE corrugated pipe with strong external pressure resistance. Background Art

[0002] PE double-wall corrugated pipe has excellent chemical stability, aging resistance and environmental stress cracking resistance. The PE double-wall corrugated pipe produced with it as raw material is a flexible pipe. Its main performance is the ability to resist external pressure. Its outer wall has an annular corrugated structure, which greatly enhances the ring stiffness of the pipe, thereby enhancing the pipe's resistance to soil load. In this performance, HDPE double-wall corrugated pipe has obvious advantages compared with other pipes.

[0003] However, since the extrusion pressure of PE double-wall corrugated pipes is different when buried in different geological environments, in some special terrain structures, such as heavy rock and soil geological structures; the structural strength of conventional PE double-wall corrugated pipes cannot meet the resistance requirements to soil loads. Utility Model Content

[0004] The utility model provides a double-wall PE corrugated pipe with strong external pressure resistance, aiming to solve the problem that the structural strength of the conventional PE double-wall corrugated pipe cannot meet the resistance requirement of soil load in special terrain structure.

[0005] The utility model is implemented as follows: a double-wall PE corrugated pipe resistant to external pressure, comprising:

[0006] A pipe body, wherein the outer wall of the pipe body is provided with a plurality of groups of installation grooves distributed at intervals;

[0007] The annular support member and the connecting rod member are assembled in the installation groove, and the annular support members are connected by at least two groups of connecting rod members, and the connecting rod members are arranged along the axial direction of the tube body member.

[0008] Preferably, the tube member comprises a tube body and convex patterns arranged on the tube body, and the mounting grooves are arranged on non-adjacent convex patterns on the tube body.

[0009] Preferably, the installation grooves are arranged at intervals of at least two groups of convex patterns.

[0010] Preferably, the annular support member is composed of a clamp and a plurality of groups of clamping grooves arranged around the clamp.

[0011] Preferably, the connecting rod comprises a rod body and a protrusion, and the protrusion is distributed on one side of the rod body;

[0012] The two ends of the rod body are respectively engaged in the clamping grooves on different clamps, and the rod body is provided with a protrusion that is matched with the convex structure provided on the outer wall of the tube body.

[0013] Preferably, the rod body and the tube body are arranged axially parallel.

[0014] Preferably, the rod body is made of metal, the protrusion is made of PE, and the protrusion is bonded to the tube body by gluing.

[0015] Preferably, the connecting rods between different clamps are connected in a staggered manner and are staggered with each other to form a cross structure.

[0016] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0017] 1. The double-wall PE corrugated pipe resistant to external pressure provided by the utility model is staggeredly arranged on the peripheral side of the pipe body by the outer protective member composed of the annular support member and the connecting rod member, and the annular support member and the connecting rod member form a mesh structure to improve the structural strength of the annular side and the peripheral side of the pipe body.

[0018] 2. The outer protective parts composed of the annular support parts and the connecting rod parts in the double-wall PE corrugated pipe resistant to external pressure provided by the utility model are arranged at intervals on the pipe body parts, and the pipe body parts are not fully wrapped. In this way, the elasticity of the double-wall PE corrugated pipe can be retained, and the structure can be used for on-site equipment advantages. During the specific installation process, reinforcement and protection can be carried out at designated positions as needed, which can ensure the structural strength of the equipment while reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a double-wall PE corrugated pipe resistant to external pressure provided by the utility model.

[0020] Figure 2 The utility model is a schematic diagram of a staggered connection structure of an annular support member and a connecting rod member of a double-wall PE corrugated pipe resistant to external pressure.

[0021] Figure 3 The utility model is a schematic diagram of the installation groove structure of a double-wall PE corrugated pipe with strong external pressure resistance.

[0022] Figure 4 The utility model is a schematic structural diagram of a double-wall PE corrugated pipe with strong external pressure resistance provided by the present invention, viewed from the top of the middle part.

[0023] Figure 5 The utility model is a schematic diagram of the structure of an annular support member and a connecting rod member of a double-wall PE corrugated pipe resistant to external pressure.

[0024] Figure 6 It is a schematic diagram of the structure of an annular support member of a double-wall PE corrugated pipe resistant to external pressure provided by the utility model.

[0025] Description of reference numerals:

[0026] 100. Pipe body parts; 110. ridges; 120. Pipe body; 130. Installation slot;

[0027] 200, annular support member; 210, clamp; 220, mounting groove;

[0028] 300, connecting rod; 310, rod body; 320, protrusion. DETAILED DESCRIPTION

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0030] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0031] The utility model embodiment provides a double-wall PE corrugated pipe with strong resistance to external pressure, such as Figure 1-Figure 6 As shown, the double-wall PE corrugated pipe resistant to external pressure includes:

[0032] A tube body member 100, the tube body member 100 comprises a tube body 120 and a convex pattern 110 provided on the tube body 120; the convex pattern 110 is provided with a mounting groove 130, the mounting groove 130 is formed on the convex pattern 110 after the tube body member 100 is extruded, and the convex pattern 110 with the mounting groove 130 and the convex pattern 110 without the mounting groove 130 are arranged at intervals;

[0033] The annular support member 200 and the connecting rod member 300, wherein the annular support member 200 is assembled in the mounting groove 130, and the annular support members 200 are connected by at least two groups of connecting rod members 300, and the connecting rod members 300 are arranged along the axial direction of the tube member 100;

[0034] In the present application, the outer protective member composed of the annular support member 200 and the connecting rod member 300 is staggeredly arranged on the peripheral side of the pipe body member 100, and the annular support member 200 and the connecting rod member 300 form a mesh structure to improve the structural strength of the annular side and the peripheral side of the pipe body member 100;

[0035] The pipe body 100 is basically the same as the double-wall PE corrugated pipe in the prior art, except that an annular mounting groove 130 is provided on the outer corrugation of the double-wall PE corrugated pipe, and the mounting grooves 130 are also arranged at intervals, and an annular support member 200 is provided in each of the different mounting grooves 130 as a supplement, and an axial connecting rod member 300 is additionally provided between the annular support members 200 for axial reinforcement; the external pressure resistance performance of the double-wall PE corrugated pipe is improved by the above connection method;

[0036] As a preferred implementation in this embodiment, the structure of the installation groove 130 is adapted to the inner wall of the annular support 200, and the annular support 200 is nested in the installation groove 130;

[0037] The annular support member 200 is composed of a clamp 210 and a plurality of groups of clamping grooves 220 arranged on the periphery of the clamp 210. The structure of the clamp 210 is the same as that of the clamp in the prior art, except that a U-shaped clamping groove 220 is additionally provided on the clamp 210 for accommodating the connecting rod 300.

[0038] The connecting rod 300 includes a rod body 310 and a protrusion 320. The protrusion 320 is distributed on one side of the rod body 310. Both ends of the rod body 310 are respectively engaged in the slots 220 on different clamps 210. The rod body 310 is arranged axially parallel to the tube body 100. The protrusion 320 on the rod body 310 is adapted to the convex pattern 110 structure on the outer wall of the tube body 120.

[0039] In this embodiment, the rod body 310 is provided with a protrusion 320 that contacts the outer wall of the tube body 120 and is glued together with glue; in this application, the annular support member 200 and the connecting rod member 300 are connected to each other to form a mesh structure, forming a new protection on the outer peripheral side of the tube body member 100, and these structural members are used to improve the resistance of the tube body member 100 to external pressure;

[0040] In this embodiment, the rod body 310 itself is made of metal, and the protrusion 320 is made of PE. The protrusion 320 can be bonded to the pipe body 100 by gluing to achieve the connection requirement.

[0041] The assembly process for this application is as follows:

[0042] First, the pipe body 100 is horizontally arranged, and the installation groove 130 is generally prefabricated in advance, mainly by opening on the convex pattern 110, and then the clamp 210 is opened and nested in the installation groove 130. After the clamp 210 is assembled in the installation groove 130, it is fastened and locked to make it fit tightly with the installation groove 130;

[0043] Then, the connecting rod 300 is arranged on the clamp 210, and the connecting rods 300 between different clamps 210 are staggered and connected to form a cross structure. The connection between the rod body 310 and the clamping groove 220 can be a threaded connection. After the connection is completed, the protrusion 320 is bonded to the outer wall of the tube body 100 to form an integral structure.

[0044] It should be noted that the outer protective member composed of the annular support member 200 and the connecting rod member 300 is arranged at intervals on the pipe body member 100, and the pipe body member 100 is not fully wrapped, so that the elasticity of the double-wall PE corrugated pipe can be retained, and the structure can be used for on-site equipment. During the specific installation process, reinforcement protection can be performed at designated locations as needed, which can ensure the structural strength of the equipment while reducing production costs;

[0045] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0046] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A double-wall PE corrugated pipe resistant to external pressure, characterized in that: include: A pipe body, wherein the outer wall of the pipe body is provided with a plurality of groups of installation grooves distributed at intervals; The annular support member and the connecting rod member are assembled in the installation groove, and the annular support members are connected by at least two groups of connecting rod members, and the connecting rod members are arranged along the axial direction of the tube body member.

2. A double-wall PE corrugated pipe resistant to external pressure as claimed in claim 1, characterized in that: The tube body part comprises a tube body and convex patterns arranged on the tube body, and the mounting grooves are arranged on non-adjacent convex pattern structures on the tube body.

3. A double-wall PE corrugated pipe resistant to external pressure as claimed in claim 2, characterized in that: The installation grooves are arranged at least at intervals of two or more groups of convex patterns.

4. A double-wall PE corrugated pipe resistant to external pressure as claimed in claim 3, characterized in that: The annular support member is composed of a clamp and a plurality of groups of clamping grooves which are arranged on the peripheral side of the clamp.

5. A double-wall PE corrugated pipe resistant to external pressure as claimed in claim 4, characterized in that: The connecting rod comprises a rod body and a protrusion, wherein the protrusion is distributed on one side of the rod body; The two ends of the rod body are respectively engaged in the clamping grooves on different clamps, and the rod body is provided with a protrusion that is matched with the convex structure provided on the outer wall of the tube body.

6. A double-wall PE corrugated pipe resistant to external pressure as claimed in claim 5, characterized in that: The rod body and the tube body are arranged axially parallel.

7. A double-wall PE corrugated pipe resistant to external pressure as claimed in claim 6, characterized in that: The rod body is made of metal, the protrusion is made of PE material, and the protrusion is bonded and connected to the pipe body by gluing.

8. A double-wall PE corrugated pipe resistant to external pressure as claimed in claim 7, characterized in that: The connecting rods between different clamps are connected in a staggered manner and are mutually staggered to form a cross structure.

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