High-pressure-resistant PE double-wall corrugated pipe

Abstract

The high-pressure-resistant PE double-wall corrugated pipe comprises a corrugated pipe body and a reinforcing pipe, an inner pipe is installed in the corrugated pipe body, the reinforcing pipe is installed on the outer surface of the corrugated pipe body, the corrugated pipe body comprises a pipe body, a first wave crest ring and a reinforcing portion, the pipe body and the first wave crest ring are of an integrated structure, and the reinforcing portion is located on the other face, opposite to the first wave crest ring, of the pipe body. The reinforcing part is embedded into the inner pipe; according to the high-pressure-resistant PE double-wall corrugated pipe, the cross section of each wave crest ring is in an arch shape, the stress area of each wave crest ring is increased, pressure can be rapidly dispersed, the reinforcing part is embedded into the inner pipe, the thickness of the first wave crest ring is increased, and the anti-pressure capacity of the first wave crest ring is improved; and meanwhile, the reinforcing rings are installed on the outer side of the pipe body, and the second wave crest rings are parallel to the first wave crest rings, so that the pressure is dispersed when the corrugated pipe bears the pressure, and the high-pressure-resistant performance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of corrugated pipes, in particular to a high-pressure resistant PE double-wall corrugated pipe. Background Art

[0002] Double-wall corrugated pipe is a new type of pipe with an annular outer wall and a smooth inner wall. It was first successfully developed in Germany in the early 1980s. After more than ten years of development and improvement, it has developed from a single variety to a complete product series. At present, it is very mature in production process and application technology. Although there are many types and quantities of double-wall corrugated pipes at present; however, the existing technology corrugated pipes are not resistant to high pressure when facing uneven settlement of soil environment and are prone to rupture. Utility Model Content

[0003] The purpose of the utility model is to provide a high-pressure resistant PE double-wall corrugated pipe in order to solve the above-mentioned problems.

[0004] The technical solution of the present utility model is achieved as follows:

[0005] The utility model provides a high-pressure resistant PE double-wall corrugated pipe, comprising a corrugated pipe and a reinforcement pipe, wherein an inner pipe is installed in the corrugated pipe, and the reinforcement pipe is installed on the outer surface of the corrugated pipe;

[0006] In the above technical solution, the corrugated pipe is sleeved on the outside of the inner pipe, and the outer wall has an annular corrugated structure, which enhances the ring stiffness of the pipe, thereby enhancing the pipe's resistance to soil load. At the same time, the PE double-wall corrugated pipe material gives it excellent low-temperature resistance and can withstand erosion by most acids and alkalis.

[0007] The corrugated tube includes a tube body, a first wave crest ring and a reinforcement part. The tube body and the first wave crest ring are an integrated structure. The reinforcement part is located on the other side of the tube body opposite to the first wave crest ring, and a groove is provided on the inner tube. The reinforcement part is embedded in the groove of the inner tube. The reinforced tube includes a reinforcement ring and a second wave crest ring. The second wave crest ring is located on the outer periphery of the reinforcement ring. The reinforcement ring is arranged around the tube body, and the second wave crest ring and the first wave crest ring are parallel to each other.

[0008] In the above technical solution, the reinforcement part is embedded in the inner tube, the thickness of the first wave peak ring is increased, the pressure resistance of the first wave peak ring is improved, and a reinforcement ring is provided and installed on the outside of the tube body. At the same time, the second wave peak ring and the first wave peak ring are parallel to each other, so that the bellows can disperse the pressure when it is under pressure, thereby improving the high-pressure resistance.

[0009] In one embodiment, the cross section of the first wave crest ring is arched, and the cross section of the second wave crest ring is arched. In this technical solution, the force-bearing area of ​​the wave crest ring is increased, so that the pressure can be quickly dispersed.

[0010] In one embodiment, there are several first wave crest rings, and the reinforcement tube is arranged between the first wave crest rings. The center of the reinforcement tube overlaps with the center of the corrugated tube. In this technical solution, the reinforcement tube and the first wave crest ring are arranged at intervals to improve the pressure resistance and prevent the wave crest from being deformed.

[0011] In one embodiment, the reinforcement structure is annular and installed inside the tube body. In this technical solution, the reinforcement is arranged corresponding to the first peak ring, increasing the thickness of the first peak ring, and is nested and installed on the inner tube, thereby improving the pressure resistance of the peak part.

[0012] In one embodiment, the inner wall of the corrugated pipe fits the outer wall of the inner pipe, and the center of the corrugated pipe overlaps with the center of the inner pipe. In this technical solution, the annular corrugated structure of the corrugated pipe enhances the pipe's resistance to soil load.

[0013] The advantages or beneficial effects of the above technical solution include at least:

[0014] The utility model discloses a high-pressure resistant PE double-wall corrugated pipe. The cross section of the crest ring is arched, which increases the stress-bearing area of ​​the crest ring and enables the pressure to be quickly dispersed. The reinforcement part is embedded in the inner pipe, and the thickness of the first crest ring is increased to improve the pressure resistance of the first crest ring.

[0015] At the same time, a reinforcement ring is provided and installed on the outside of the pipe body, and the second wave crest ring and the first wave crest ring are parallel to each other, so that the bellows can disperse the pressure when it is under pressure, thereby improving the high pressure resistance performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings illustrate exemplary embodiments of the present invention and, together with the description, are used to explain the principles of the present invention. These drawings are included to provide a further understanding of the present invention, and are included in and constitute a part of this specification.

[0017] Figure 1 A schematic structural diagram of a double-wall corrugated pipe according to an embodiment of the present utility model is presented;

[0018] Figure 2 A partial structural cross-sectional diagram of a double-wall corrugated pipe according to an embodiment of the present utility model is presented;

[0019] Figure 3 A schematic diagram of the structure of the inner tube and the reinforcement tube in an embodiment of the utility model is presented;

[0020] Figure 4 A schematic structural diagram of a bellows according to an embodiment of the present utility model is presented;

[0021] Reference numerals: inner tube-1, corrugated tube-2, reinforcement tube-3, tube body-21, first wave crest ring-22, reinforcement portion-23, reinforcement ring-31, second wave crest ring-32. DETAILED DESCRIPTION

[0022] The following describes embodiments of the present invention in more detail with reference to the accompanying drawings. Although certain embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the accompanying drawings and embodiments of the present invention are for illustrative purposes only and are not intended to limit the scope of protection of the present invention.

[0023] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0024] It should be understood that the term "including" and its variations used in this document are open inclusions, that is, "including but not limited to". The term "based on" means "at least partially based on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one other embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the description below. It should be noted that the concepts of "first", "second", etc. mentioned in the present utility model are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0025] It should be noted that the modifications of "one" and "several" mentioned in the present invention are illustrative rather than restrictive. Those skilled in the art should understand that unless otherwise clearly indicated in the context, they should be understood as "one or more".

[0026] The names of the messages or information exchanged between multiple devices in the embodiments of the present invention are only used for illustrative purposes and are not used to limit the scope of these messages or information.

[0027] Reference Figure 1-Figure 4 A high-pressure resistant PE double-wall corrugated pipe comprises a corrugated pipe 2 and a reinforcement pipe 3. An inner pipe 1 is installed in the corrugated pipe 2, and the reinforcement pipe 3 is installed on the outer surface of the corrugated pipe 2.

[0028] In the above technical solution, the corrugated pipe 2 is sleeved on the outside of the inner pipe 1, and the outer wall has an annular corrugated structure, which enhances the ring stiffness of the pipe, thereby enhancing the pipe's resistance to soil load. At the same time, the PE double-wall corrugated pipe material gives it excellent low-temperature resistance and can withstand erosion by most acids and alkalis.

[0029] The corrugated tube 2 includes a tube body 21, a first wave peak ring 22 and a reinforcement part 23. The tube body 21 and the first wave peak ring 22 are an integrated structure. The reinforcement part 23 is located on the other side of the tube body 21 opposite to the first wave peak ring 22, and a groove is provided on the inner tube 1. The reinforcement part 23 is embedded in the groove of the inner tube 1. The reinforcement tube 3 includes a reinforcement ring 31 and a second wave peak ring 32. The second wave peak ring 32 is located on the outer periphery of the reinforcement ring 31. The reinforcement ring 31 is arranged around the tube body 21. The second wave peak ring 32 and the first wave peak ring 22 are parallel to each other.

[0030] In the above technical solution, the reinforcement part 23 is embedded in the inner tube 1, the thickness of the first wave peak ring 22 is increased, the pressure resistance of the first wave peak ring 22 is improved, and a reinforcement ring 31 is provided and installed on the outside of the tube body 21. At the same time, the second wave peak ring 32 is parallel to the first wave peak ring 22, so that the bellows disperses the pressure when it is under pressure, thereby improving the high-pressure resistance.

[0031] In one embodiment, referring to Figure 1-Figure 2 The cross section of the first wave peak ring 22 is arched, and the cross section of the second wave peak ring 32 is arched. In this technical solution, the force-bearing area of ​​the wave peak ring is increased so that the pressure can be quickly dispersed.

[0032] In one embodiment, referring to Figure 1-Figure 4 , there are several first wave crest rings 22, and the reinforcing tube 3 is arranged between the first wave crest rings 22. The center of the reinforcing tube 3 overlaps with the center of the corrugated tube 2. In this technical solution, the reinforcing tube 3 and the first wave crest ring 22 are spaced apart to improve the pressure resistance and prevent the peak part from deforming.

[0033] In one embodiment, referring to Figure 1-Figure 3 The reinforcing portion 23 has an annular structure and is installed inside the tube body 21. In this technical solution, the reinforcing portion 23 is arranged corresponding to the first wave crest ring 22, which increases the thickness of the first wave crest ring 22 and is nested and installed on the inner tube 1, thereby improving the compressive resistance of the wave crest part.

[0034] In one embodiment, referring to Figure 1-Figure 4 The inner wall of the corrugated pipe 2 fits with the outer wall of the inner pipe 1, and the center of the corrugated pipe 2 overlaps with the center of the inner pipe 1. In this technical solution, the annular corrugated structure of the corrugated pipe 2 enhances the pipe's resistance to soil load.

[0035] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0036] Those skilled in the art will appreciate that the above embodiments are intended only to clearly illustrate the present invention and are not intended to limit the scope of the present invention. Other variations or modifications may be made based on the above disclosure, and such variations or modifications are still within the scope of the present invention.

Claims

1. A high-pressure resistant PE double-wall corrugated pipe, characterized by: It comprises a bellows (2) and a reinforcement tube (3), wherein an inner tube (1) is installed in the bellows (2), and the reinforcement tube (3) is installed on the outer surface of the bellows (2); The corrugated tube (2) comprises a tube body (21), a first wave crest ring (22) and a reinforcement portion (23); the tube body (21) and the first wave crest ring (22) are an integrated structure; the reinforcement portion (23) is located on the other side of the tube body (21) relative to the first wave crest ring (22); a groove is provided on the inner tube (1), and the reinforcement portion (23) is embedded in the groove of the inner tube (1); The reinforcement tube (3) comprises a reinforcement ring (31) and a second wave crest ring (32), wherein the second wave crest ring (32) is located on the outer periphery of the reinforcement ring (31), the reinforcement ring (31) is arranged around the tube body (21), and the second wave crest ring (32) and the first wave crest ring (22) are parallel to each other.

2. The high-pressure resistant PE double-wall corrugated pipe according to claim 1, characterized in that: The cross section of the first wave crest ring (22) is arched, and the cross section of the second wave crest ring (32) is arched.

3. The high-pressure resistant PE double-wall corrugated pipe according to claim 1, characterized in that: There are a plurality of first wave crest rings (22).

4. The high-pressure resistant PE double-wall corrugated pipe according to claim 3, characterized in that: The reinforcement tube (3) is arranged between the first wave crest rings (22).

5. The high-pressure resistant PE double-wall corrugated pipe according to claim 4, characterized in that: The center of the reinforcing tube (3) overlaps with the center of the corrugated tube (2).

6. The high-pressure resistant PE double-wall corrugated pipe according to claim 1, characterized in that: The reinforcing portion (23) is annular in structure and is installed inside the tube body (21).

7. The high-pressure resistant PE double-wall corrugated pipe according to claim 1, characterized in that: The inner wall of the bellows (2) fits the outer wall of the inner tube (1), and the center of the bellows (2) overlaps with the center of the inner tube (1).

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