CN219389036U

CN219389036U - High-strength compression-resistant double-wall corrugated pipe

Info

Publication number: CN219389036U
Application number: CN202320630464.5U
Authority: CN
Inventors: 孙勇斌; 蒋卫星; 蒋伟亮
Original assignee: Yixing Youtong Plastic Co ltd
Current assignee: Yixing Youtong Plastic Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-07-21
Anticipated expiration: 2033-03-28

Abstract

The utility model relates to the technical field of double-wall corrugated pipe structural design, and discloses a high-strength compression-resistant double-wall corrugated pipe, which comprises an inner wall smooth pipe, wherein an outer wall corrugated pipe is fixedly connected to the outer wall of the inner wall smooth pipe, wear-resistant protection layers are arranged on the outermost layers of the inner wall smooth pipe and the outer wall corrugated pipe, and one end of the inner side of each wear-resistant protection layer is fixedly connected with a high-density polyethylene layer. According to the utility model, the fixed connection rib plates and the oval elastic steel plates are arranged, so that all the waves of the outer wall corrugated pipe are tightly connected, part of pressure can be shared by other waves when one wave is stressed, the compressive strength of the outer wall corrugated pipe of the double-wall corrugated pipe is improved, the double-wall corrugated pipe is prevented from being damaged easily, and when the pressure of the outer wall corrugated pipe is excessively high, the oval elastic steel plates can resist the external pressure by utilizing the elasticity of the oval elastic steel plates and prevent the inner wall smooth pipe from being deformed easily by external force.

Description

High-strength compression-resistant double-wall corrugated pipe

Technical Field

The utility model relates to the technical field of double-wall corrugated pipe structural design, in particular to a high-strength compression-resistant double-wall corrugated pipe.

Background

The double-wall corrugated pipe is a novel light pipe taking high-density polyethylene as a raw material, has the characteristics of light weight, high pressure resistance, good toughness, quick construction, long service life and the like, and the outer wall is of an annular corrugated structure, so that the annular rigidity of the pipe is greatly enhanced, and the resistance of the pipe to soil load is enhanced.

At present, the connection between external corrugations of double-wall corrugated pipes in the market is not very tight, the phenomenon that the corrugations at partial positions are damaged by excessive pressure easily occurs, and the shape of the internal smooth pipe can be influenced when the external pressure is excessive, so that the pipe cannot be normally put into production and used.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a high-strength compression-resistant double-wall corrugated pipe.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a high strength resistance to compression double-walled bellows, includes the smooth tubular product of inner wall, the smooth tubular product outer wall fixedly connected with outer wall ripple tubular product of inner wall, the smooth tubular product of inner wall and outer wall ripple tubular product outermost all set up to wear-resisting protective layer, the inboard one end fixedly connected with high density polyethylene layer of wear-resisting protective layer, the inboard one end fixedly connected with insulating layer of high density polyethylene layer, the inboard one end fixedly connected with corrosion-resistant layer of insulating layer.

As a further description of the above technical solution:

the inner wall of the front end of the inner wall smooth pipe is fixedly connected with an external threaded pipe, and the front end of the outer wall of the external threaded pipe is provided with external threads.

As a further description of the above technical solution:

and an inner thread surface is arranged on the inner wall of the rear end of the inner wall smooth pipe.

As a further description of the above technical solution:

the inner wall of the outer wall corrugated pipe is fixedly connected with a plurality of fixedly connected rib plates which are orderly arranged.

As a further description of the above technical solution:

the inner wall of the inner wall smooth pipe is fixedly connected with a plurality of oval elastic steel plates which are orderly arranged.

As a further description of the above technical solution:

the inner walls of the oval elastic steel plates are respectively provided with a cavity, and inner filling materials are fixedly connected to the inner sides of the cavities corresponding to the inner walls of the oval elastic steel plates.

As a further description of the above technical solution:

and one end of the inner side of the fixed connection rib plate is tightly attached to the outer wall surface of the smooth pipe with the inner wall.

The utility model has the following beneficial effects:

1. according to the utility model, the fixed connection rib plates and the oval elastic steel plates are arranged at first, so that the connection between the corrugations of the outer wall corrugated pipe is tight, the other corrugations can share partial pressure when one corrugated is stressed, the compression strength of the outer wall corrugated pipe of the double-wall corrugated pipe is further improved, the double-wall corrugated pipe is prevented from being damaged easily, the oval elastic steel plates can resist external pressure by utilizing the elasticity of the oval elastic steel plates when the pressure born by the outer wall corrugated pipe is transmitted to the inner wall smooth pipe, the inner wall smooth pipe is prevented from being deformed easily by external force, the pipe body strength of the double-wall corrugated pipe is greatly improved through the double compression protection arranged inside the inner wall smooth pipe and the outer wall corrugated pipe, the service life of the pipe is further prolonged, the inner structure of the pipe is prevented from being damaged easily due to abrasion when the outer wall corrugated pipe is contacted with the external ground or a sharp object, the ageing resistance and the environmental stress resistance of the pipe are improved through the high-density polyethylene layer, the inner wall smooth pipe is prevented from being influenced by high-temperature liquid passing through the inner side of the insulating layer, the pipe is prevented from being corroded by the inner wall smooth pipe, and the chemical corrosion resistance is further prolonged.

Drawings

FIG. 1 is a front perspective view of a high strength compression resistant double wall bellows in accordance with the present utility model;

FIG. 2 is a rear perspective view of a high strength compression resistant double wall bellows in accordance with the present utility model;

fig. 3 is a cross-sectional view of a smooth inner wall tube of a high-strength compression-resistant double-wall corrugated tube according to the present utility model.

Legend description:

1. a smooth inner wall pipe; 2. an outer wall corrugated pipe; 3. fixedly connecting the rib plates; 4. an oval elastic steel plate; 5. an inner layer filling material; 6. externally connecting a threaded pipe; 7. an internal thread surface; 8. a wear-resistant protective layer; 9. a high density polyethylene layer; 10. a thermal insulation layer; 11. and a corrosion resistant layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides a high strength resistance to compression double-walled bellows, including the smooth tubular product 1 of inner wall, the smooth tubular product 1 outer wall fixedly connected with outer wall ripple tubular product 2 of inner wall, the smooth tubular product 1 of inner wall and the outer wall ripple tubular product 2 are all set up to wear-resisting protective layer 8 outermost, wear-resisting protective layer 8 can make the smooth tubular product 2 of inner wall and external ground or sharp object contact can not be worn out easily and lead to the tubular product inner structure to be destroyed, the inboard one end fixedly connected with high density polyethylene layer 9 of wear-resisting protective layer 8, the ageing resistance and the environmental stress cracking resistance ability of tubular product can be improved to high density polyethylene layer 9, the inboard one end fixedly connected with insulating layer 10 of high density polyethylene layer 9, the insulating layer 10 can isolate the temperature of the inside and outside both sides of tubular product, prevent the inside high temperature liquid that passes through of tubular product from influencing tubular product external connection's structure, the inboard one end fixedly connected with corrosion resistant layer 11 of insulating layer 10 makes the inside smooth tubular product 1 of inner wall can bear the chemical liquid of most and pass through, the tubular product inner wall is prevented from being corroded and can not be used, tubular product life has further been improved.

Further explaining, external screwed pipe 6 is fixedly connected with the inner wall of the front end of inner wall smooth pipe 1, external screwed pipe 6 outer wall front end is provided with external screw thread, inner wall smooth pipe 1 rear end inner wall is provided with internal screw thread face 7, external screw thread of external screwed pipe 6 outer wall can be in the same place with the internal screw thread face 7 screw thread combination of another double-walled bellows, conveniently make the pipeline longer, outer wall corrugated pipe 2 inner wall fixedly connected with a plurality of orderly arranged fixed connection gusset 3, fixed connection gusset 3 can make connect closely between each ripple of outer wall corrugated pipe 2, other ripple can share partial pressure when a ripple atress, and then improve the compressive strength of outer wall corrugated pipe 2 of double-walled bellows, prevent that double-walled corrugated pipe from damaging easily, inner wall smooth pipe 1 inner wall fixedly connected with a plurality of orderly arranged oval elastic steel plate 4, oval elastic steel plate 4 inner wall all is provided with the cavity, oval elastic steel plate 4 inner wall corresponds cavity inboard fixedly connected with inner layer filling material 5, some compressive elastic material of inner layer filling material selection can prevent oval elastic steel plate 4 damage, oval elastic steel plate 4's elasticity resists outside pressure, prevent that inner wall smooth pipe 1 from being out of shape is smooth and be out of shape, outer wall smooth pipe 1 is firmly connected with inner wall smooth pipe 1 one end surface is just like smooth pipe 3.

Working principle: firstly, through having set up fixed connection gusset 3 and oval elastic steel plate 4 for connect closely between each ripple of outer wall corrugated pipe 2, other ripple can share partial pressure when one department ripple atress, and then improve the compressive strength of outer wall corrugated pipe 2 of double-walled corrugated pipe, prevent that double-walled corrugated pipe from damaging easily, when oval elastic steel plate 4 is on the too big transmission of the pressure that outer wall corrugated pipe 2 received to inner wall smooth pipe 1, can utilize oval elastic steel plate 4's elasticity to resist external pressure, prevent that inner wall smooth pipe 1 from receiving external force and warp easily, through the dual compressive protection that sets up in inside wall smooth pipe 1 and outer wall corrugated pipe 2, the body intensity of this double-walled corrugated pipe has been improved greatly, and then the life of tubular product has been improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a high strength resistance to compression double-walled bellows, includes smooth tubular product (1), its characterized in that: the novel high-density corrugated pipe is characterized in that the outer wall corrugated pipe (2) is fixedly connected to the outer wall of the inner wall smooth pipe (1), the wear-resistant protection layer (8) is arranged on the outermost layers of the inner wall smooth pipe (1) and the outer wall corrugated pipe (2), the high-density polyethylene layer (9) is fixedly connected to one end of the inner side of the wear-resistant protection layer (8), the heat insulation layer (10) is fixedly connected to one end of the inner side of the high-density polyethylene layer (9), and the corrosion-resistant layer (11) is fixedly connected to one end of the inner side of the heat insulation layer (10).

2. A high strength, pressure resistant double wall corrugated pipe as claimed in claim 1, wherein: the inner wall of the front end of the inner wall smooth pipe (1) is fixedly connected with an external threaded pipe (6), and the front end of the outer wall of the external threaded pipe (6) is provided with external threads.

3. A high strength, pressure resistant double wall corrugated pipe as claimed in claim 1, wherein: the inner wall of the rear end of the inner wall smooth pipe (1) is provided with an inner thread surface (7).

4. A high strength, pressure resistant double wall corrugated pipe as claimed in claim 1, wherein: the inner wall of the outer wall corrugated pipe (2) is fixedly connected with a plurality of fixedly connected rib plates (3) which are orderly arranged.

5. A high strength, pressure resistant double wall corrugated pipe as claimed in claim 1, wherein: the inner wall of the inner wall smooth pipe (1) is fixedly connected with a plurality of oval elastic steel plates (4) which are orderly arranged.

6. A high strength, pressure resistant double wall corrugated pipe as claimed in claim 5, wherein: the inner walls of the oval elastic steel plates (4) are respectively provided with a cavity, and inner filling materials (5) are fixedly connected to the inner sides of the cavities corresponding to the inner walls of the oval elastic steel plates (4).

7. A high strength, pressure resistant double wall corrugated pipe as claimed in claim 4, wherein: one end of the inner side of the fixed connection rib plate (3) is tightly attached to the outer wall surface of the smooth inner wall pipe (1).