CN216279844U

CN216279844U - Rigid-flexible enhanced drainage pipe with polygonal structure

Info

Publication number: CN216279844U
Application number: CN202123108198.XU
Authority: CN
Inventors: 戴天文
Original assignee: Anhui Guotiancheng Technology Co ltd
Current assignee: Anhui Guotiancheng Technology Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-04-12
Anticipated expiration: 2031-12-10

Abstract

The utility model relates to the field of pipes, in particular to a rigid-flexible enhanced multi-edge drainage pipe. It includes: the inner pipe is of a rotary structure; the outer tube is of a rotary structure, is coaxially arranged on the peripheral surface of the inner tube and is provided with a plurality of wave crest portions and a plurality of wave trough portions which are alternately distributed in a wave shape, the wave crest portions are outwards protruded along the radial direction of the outer tube, the wave crest portions are of a hollow structure, two ends of the wave crest portions along the axial direction of the outer tube are both connected with inclined surfaces, the two inclined surfaces are gradually closed along the radial direction of the outer tube away from the central shaft of the outer tube, and the wave trough portions are inwards recessed along the radial direction of the outer tube. The utility model effectively improves the structural strength.

Description

Rigid-flexible enhanced drainage pipe with polygonal structure

Technical Field

The utility model relates to the field of pipes, in particular to a rigid-flexible enhanced multi-edge drainage pipe.

Background

The drainage pipe is divided into a plastic drainage pipe, a Concrete Pipe (CP) and a Reinforced Concrete Pipe (RCP), and the drainage pipe mainly takes the drainage tasks of rainwater, sewage, farmland irrigation and drainage and the like, and is particularly used for longitudinal and transverse drainage and water permeation of the expressway; the back of various retaining walls and side ditches of the expressway are vertically and horizontally drained; draining water from the tunnel and the underground passage; water supply and drainage of municipal works, water purification plants, sewage plants, refuse dumps and the like; drainage of leisure green areas such as golf courses, sports grounds, parks, etc.; slope water and soil conservation is developed on hilly land; underground drainage of land preparation works, etc.

To current drain pipe, bury underground the back underground, the soil of higher authority can exert pressure to the pipeline, makes the pipeline take place to warp easily, leads to pipeline both ends kneck to take place to seal the not firm condition, arouses to leak, and the structural strength of current pipeline remains to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rigid-flexible enhanced type multi-edge structure drain pipe which effectively improves the structural strength aiming at the problems in the background technology.

The technical scheme of the utility model is that the rigid-flexible reinforced multi-edge drainage pipe comprises:

the inner pipe is of a rotary structure;

the outer tube is of a rotary structure, is coaxially arranged on the peripheral surface of the inner tube and is provided with a plurality of wave crest portions and a plurality of wave trough portions which are alternately distributed in a wave shape, the wave crest portions are outwards protruded along the radial direction of the outer tube, the wave crest portions are of a hollow structure, two ends of the wave crest portions along the axial direction of the outer tube are both connected with inclined surfaces, the two inclined surfaces are gradually closed along the radial direction of the outer tube away from the central shaft of the outer tube, and the wave trough portions are inwards recessed along the radial direction of the outer tube.

Preferably, the inclined surface forms an angle with the radial direction of the outer tube in the range of 0-10 degrees.

Preferably, the wave crest part is provided with a groove part which is inwards concave along the radial direction of the outer pipe, and at least one groove part is arranged along the axial direction of the outer pipe.

Preferably, the notch of the groove part is in a V shape or a U shape.

Preferably, the wave crest part is provided with an outer convex part which is convex outwards along the radial direction of the outer pipe, and at least one outer convex part is arranged along the axial direction of the outer pipe.

Preferably, the projection shape of the outward convex part is n-shaped, inverted V-shaped or regular polygon.

Preferably, the wave crest portion has a flared portion that is convex outward along the outer tube diameter, and the flared portion has a convex step portion, and the step portion has a wave-shaped groove.

Preferably, the wave crest portion has an accordion shape, and the accordion shape is a revolution shape.

Preferably, the structural turning part of the outer tube is provided with a round angle.

Compared with the prior art, the utility model has the following beneficial technical effects:

according to the utility model, the outer pipe is provided with the inclined surface, the inclined surface can share the pressure applied to the outer pipe by soil, the pressure applied to the outer pipe along the radial direction of the outer pipe is reduced, the structural strength is effectively improved, the bearing capacity of the soil is improved after the outer pipe is buried underground, the outer pipe is not easy to deform under the pressure action of the soil, and therefore, the leakage is not easy to cause at the interfaces at the two ends. By arranging the convex or concave structure on the outer pipe, the pressure-bearing area is effectively enlarged, and the structural strength of the pipeline is improved.

Drawings

FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;

FIG. 2 is a cross-sectional view of the structure of FIG. 1;

FIG. 3 is a cross-sectional view of a second embodiment of the present invention;

FIG. 4 is a cross-sectional view of a third embodiment of the present invention;

FIG. 5 is a cross-sectional view of a fourth embodiment of the present invention;

fig. 6 is a cross-sectional view of a fifth embodiment of the present invention.

Reference numerals: 1. an inner tube; 2. an outer tube; 21. a crest portion; 211. a groove part; 212. an outer convex portion; 213. a step portion; 214. a pleated portion; 22. a wave trough portion.

Detailed Description

Example one

As shown in fig. 1-2, the rigid-flexible reinforced multi-sided structure drainage pipe provided by the utility model comprises an inner pipe 1 and an outer pipe 2. The inner pipe 1 is a rotary structure; the outer pipe 2 is a rotary structure, the outer pipe 2 is coaxially arranged on the outer peripheral surface of the inner pipe 1, the outer pipe 2 is provided with a plurality of wave crest portions 21 and a plurality of wave trough portions 22 which are alternately distributed in a wave shape, the wave crest portions 21 protrude outwards in the radial direction of the outer pipe 2 and are of a hollow structure, two ends of the wave crest portions 21 in the axial direction of the outer pipe 2 are both connected with inclined surfaces, and the included angle range between each inclined surface and the radial direction of the outer pipe 2 is 0-10 degrees, namely alpha is 0-10 degrees.

Further, when α is 0 ° and the upper end surface of each crest 21 is set to be a plane, the cross section of each crest 21 is rectangular and has the largest cross section, so that the rigid-flexible polygonal drainage pipe has high strength;

two inclined planes are radially kept away from outer tube 2 center pin direction along outer tube 2 and are drawn close gradually, and wave trough portion 22 is along the radial indent of outer tube 2, and the structure turning department of outer tube 2 is provided with the fillet to can the even atress, improved structural strength.

In this embodiment, outer tube 2 has the inclined plane, and the inclined plane can share soil and apply the pressure on outer tube 2, reduces and radially applies the pressure on outer tube 2 along outer tube 2, has effectively improved structural strength, buries underground the back underground, obtains improving the bearing capacity of soil, is difficult for taking place to warp under the pressure effect of soil to make the difficult leakage that leads to of both ends kneck.

Example two

Compared with the first embodiment, the difference between the first embodiment and the second embodiment is shown in fig. 3, the crest portion 21 has a groove portion 211 recessed along the radial direction of the outer tube 2, at least one groove portion 211 is arranged along the axial direction of the outer tube 2, and soil can be filled in the groove portion 211 by arranging the groove portion 211, so that the pressure of the soil can be shared, and the compressive structural strength of the whole pipeline is improved;

further, the notch shape of each groove portion 211 is "V" font or "U" font, or the inner wall of one side of the inner wall of the notch of each groove portion 211 is the curved surface, and the inner wall of the other side is the inclined surface, all adopt circular arc transitional coupling between each inclined surface and each curved surface, avoid stress concentration, improve life.

In addition, when each crest portion 21 is provided with a plurality of groove portions 211, the shapes of the notches of the plurality of groove portions 211 may be the same, or at least two notch shapes may be selected, and when the shapes of the notches of the plurality of groove portions 211 are at least two, the plurality of groove portions 211 with different notch shapes may be randomly arranged, so that the compressive structural strength of the pipeline may be improved in various patterns.

EXAMPLE III

Compared with the first embodiment, the difference between the first embodiment and the second embodiment is shown in fig. 4, the crest portion 21 has at least one outer convex portion 212 protruding outward along the radial direction of the outer pipe 2, the outer convex portion 212 is arranged along the axial direction of the outer pipe 2, and the pressure-bearing area of the outer pipe 2 is enlarged by arranging the outer convex portion 212, so that the compressive structural strength of the whole pipeline is improved;

further, the projection shape of each outward convex part 212 is n-shaped, inverted V-shaped or regular polygon;

in addition, when each crest portion 21 has a plurality of convex portions 212, the projection shapes of the convex portions 212 may be the same, or at least two different projection shapes may be selected, and when the projection shapes of the convex portions are at least two, the different projection shapes may be arranged in different arrangement modes, so that the compressive structural strength of the pipeline may be improved in various forms.

Example four

Compared with the first embodiment, the difference between the first embodiment and the second embodiment is shown in fig. 5, in which the crest portion 21 has an outward-extending portion that protrudes outward along the radial direction of the outer pipe 2, and the outward-extending portion has an outward-protruding stepped portion 213, so that the pressure-bearing area of the outer pipe 2 is enlarged, and the structural strength of the pipeline is improved. Step portion 213 has the wave recess, has further enlarged the bearing area, has improved structural strength, and is favorable to filling soil, improves the stability when the drain pipe is buried underground.

EXAMPLE five

Compared with the first embodiment, the rigid-flexible reinforced type multi-edge drain pipe provided by the utility model is different from the first embodiment in that as shown in fig. 6, the crest part 21 has the fold part 214, the fold part 214 is in a rotary shape, and the cross section of the fold part 214 is in a sawtooth shape, so that the pressure of soil can be uniformly borne, the structural strength is improved, the stability after the soil is filled in is improved, and the position deviation of a pipeline is prevented.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The utility model provides a multilateral structure drain pipe of rigid-flexible enhancement mode which characterized in that includes:

the inner pipe (1) is of a rotary structure;

the outer pipe (2) is of a rotary structure, is coaxially arranged on the outer peripheral surface of the inner pipe (1), and is provided with a plurality of wave crest portions (21) and a plurality of wave trough portions (22) which are alternately distributed in a wave shape, the wave crest portions (21) are outwards protruded along the radial direction of the outer pipe (2), the wave crest portions (21) are of a hollow structure, inclined surfaces are connected to two ends of the wave crest portions (21) along the axial direction of the outer pipe (2), the two inclined surfaces are gradually closed along the direction of the outer pipe (2) which is radially far away from the central shaft of the outer pipe (2), and the wave trough portions (22) are inwards protruded along the radial direction of the outer pipe (2).

2. A rigid-flexible reinforced multi-sided structural drainpipe as claimed in claim 1, wherein the angle between the inclined surface and the radial direction of the outer pipe (2) is in the range of 0 ° to 10 °.

3. The rigid-flexible multi-sided structure drain pipe according to claim 1, wherein the crest portion (21) has a groove portion (211) recessed in a radial direction of the outer pipe (2), and the groove portion (211) is provided at least one in an axial direction of the outer pipe (2).

4. The rigid-flexible reinforced multi-sided structure drainage pipe as claimed in claim 3, wherein the groove of the groove part (211) is shaped like a "V" or a "U".

5. A rigid-flexible multi-sided structure drain pipe according to claim 1, wherein the crest portion (21) has outer protrusions (212) protruding radially outward along the outer pipe (2), and at least one of the outer protrusions (212) is provided in the axial direction of the outer pipe (2).

6. The rigid-flexible reinforced multi-edge structure drain pipe as claimed in claim 5, wherein the projected shape of the external convex portion (212) is "n" shape or "Λ" shape or regular polygon.

7. The rigid-flexible multi-sided structure drain pipe according to claim 1, wherein the crest portion (21) has a flared portion which is convex outward in a radial direction of the outer pipe (2), the flared portion has a convex stepped portion (213), and the stepped portion (213) has a wavy groove.

8. A rigid-flexible multi-sided structural drainpipe as claimed in claim 1, wherein the crest portion (21) has a pleated portion (214), and the pleated portion (214) has a shape of revolution.

9. A rigid-flexible reinforced multi-sided structural drainpipe as claimed in any one of claims 1 to 8, wherein the structural bends of the outer pipe (2) are provided with rounded corners.