CN215172877U

CN215172877U - Double-wall corrugated pipe with improved structure

Info

Publication number: CN215172877U
Application number: CN202121021278.9U
Authority: CN
Inventors: 刘现海; 郁昌辉; 成光辉
Original assignee: Shaanxi Yamei New Material Co ltd
Current assignee: Shaanxi Yamei New Material Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-12-14
Anticipated expiration: 2031-05-13

Abstract

The utility model discloses an improve structure double-walled bellows, including the inner tube, the outer suit of inner tube is fixed with the corrugate outer tube of an organic whole making, the outer tube includes a plurality of wave peak portions and the trough portion that set up in turn, the inner chamber of wave peak portion is equipped with supporting component, the outer contained angle department of wave peak portion and wave trough portion is equipped with annular arch, the bellied inside of annular is equipped with the annular strengthening rib. The utility model discloses in all be equipped with supporting component in the inner chamber of every crest portion, can provide powerful support to the center of crest portion through supporting component, thereby avoid it to produce deformation and take place the breakage because of receiving too big pressure, can transmit partial pressure for trough department after crest portion receives pressure, owing to be equipped with the annular arch in crest portion and the outer contained angle department in the crest portion, can promote the toughness of double-walled bellows and protect to outer contained angle department, annular strengthening rib can promote the bellied compressive capacity of annular simultaneously, further external contained angle is protected.

Description

Double-wall corrugated pipe with improved structure

Technical Field

The utility model relates to a double-walled bellows technical field specifically is an improve structure double-walled bellows.

Background

The double-wall corrugated pipe is a light-structure-wall plastic pipe formed by compounding an inner layer and an outer layer through hot melting, and has the advantages of low cost, high product rigidity and the like.

However, the existing double-wall corrugated pipe has certain defects, the point with the largest outer diameter of the double-wall corrugated pipe is just at the middle point of the wave crest, and the strength of the point is the lower position in the corrugation of the outer wall, so the raised wave crest is easy to deform and dent due to the fact that the raised wave crest bears the pressure of soil larger than that of the inner layer, and the wave form is easy to deform and dent, and the damage is caused in severe cases.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an improve structure double-walled bellows to solve above-mentioned background art's problem.

The technical scheme of the utility model is that: a corrugated outer pipe which is integrally manufactured is sleeved and fixed outside the inner pipe, the outer pipe comprises a plurality of alternately arranged crest portions and trough portions, a supporting assembly is arranged in an inner cavity of each crest portion, annular protrusions are arranged at outer included angles of the crest portions and the trough portions, and annular reinforcing ribs are arranged inside the annular protrusions.

Further, the support assembly includes:

the supporting ring is arranged in the middle of the inner cavity of the wave crest part, a first reinforcing rib is fixed at the top of the supporting ring, and the other end of the first reinforcing rib is fixed with the center of the inner cavity of the wave crest part;

the second reinforcing rib and the third reinforcing rib are respectively fixed on two sides of the bottom of the support ring, and the other ends of the second reinforcing rib and the third reinforcing rib are fixed with the outer wall of the inner pipe.

Furthermore, the included angle between the first reinforcing rib and the second reinforcing rib, the included angle between the second reinforcing rib and the third reinforcing rib and the included angle between the third reinforcing rib and the first reinforcing rib are all 120 degrees.

Furthermore, the supporting assembly further comprises an annular supporting piece, the cross section of the annular supporting piece is in a regular triangle shape, the bottom surface of the annular supporting piece is fixed with the outer wall of the inner pipe, and the top of the annular supporting piece is fixed with the inner cavity of the crest portion.

Further, the outer surfaces of the crest portions and the trough portions are provided with wear-resistant layers.

Still further, the wear layer is polyurethane.

Furthermore, an anticorrosive layer is arranged inside the inner pipe.

Further, the anticorrosive coating is an epoxy resin material.

Furthermore, a lifting lug is fixed on the outer wall of the wave trough part.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in all be equipped with supporting component in the inner chamber of every crest portion, can provide powerful support to the center of crest portion through supporting component, thereby avoid it to produce deformation and take place the breakage because of receiving too big pressure, can transmit partial pressure for trough department after crest portion receives pressure, owing to be equipped with the annular arch in crest portion and the outer contained angle department in the crest portion, can promote the toughness of double-walled bellows and protect to outer contained angle department, annular strengthening rib can promote the bellied compressive capacity of annular simultaneously, further external contained angle is protected.

2. The utility model provides a supporting component is regular triangle structure, and regular triangle has extremely strong stability and anti extrusion ability, can improve the compressive capacity of ripples peak portion.

3. The utility model is provided with the lifting lugs on the outer wall of the corrugated trough part of the double-wall corrugated pipe, which is convenient for carrying the double-wall corrugated pipe,

drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of the structure A shown in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of another alternative embodiment of the support assembly of the present invention;

fig. 4 is the structural schematic diagram of the lifting lug of the present invention.

Detailed Description

The following describes in detail a specific embodiment of the present invention with reference to fig. 1 to 4. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Examples

As shown in fig. 1 to 3, an improved double-wall corrugated pipe comprises an inner pipe 1, wherein a corrugated outer pipe which is integrally formed is fixedly sleeved outside the inner pipe 1, the outer pipe comprises a plurality of alternately arranged crest portions 3 and trough portions 2, a supporting component is arranged in an inner cavity of each crest portion 3, an annular protrusion 4 is arranged at an outer included angle between each crest portion 3 and each trough portion 2, an annular reinforcing rib 41 is arranged inside each annular protrusion 4, and each arc-shaped protrusion 4 is made of polyvinyl chloride.

The utility model discloses a supporting component who sets up in the inside of crest portion 3 can provide powerful support to crest portion 3, avoids it to receive too big pressure and produces damaged deformation, and crest portion 3 transmits the pressure dispersion for crest portion 3 and the outer contained angle department of ripples trough portion 2 after receiving the extrusion simultaneously, because the annular that sets up in outer contained angle department 4 toughness when not only having strengthened tensile, can also protect outer contained angle department to improve its compressive capacity through setting up annular strengthening rib 41.

As shown in fig. 2, specifically, the support assembly includes a support ring 5 disposed in the middle of the cavity of the peak portion 3, a first reinforcing rib 51 is fixed to the top of the support ring 5, the other end of the first reinforcing rib 51 is fixed to the center of the cavity of the peak portion 3, a second reinforcing rib 52 and a third reinforcing rib 53 are respectively fixed to two sides of the bottom of the support ring 5, the other ends of the second reinforcing rib 52 and the third reinforcing rib 53 are fixed to the outer wall of the inner tube 1, and by cooperation between the support ring 5, the first reinforcing rib 51, the second reinforcing rib 52 and the third reinforcing rib 53, a strong support can be provided for the peak portion 3, and the peak portion 3 is prevented from being damaged and deformed due to excessive compression.

Preferably, the contained angle between first enhancement rib 51 and the second enhancement rib 52, contained angle between second enhancement rib 52 and the third enhancement rib 53 and the contained angle between third enhancement rib 53 and the first enhancement rib 51 are 120 degrees, so set up and to make up regular triangle supporting structure each other for first enhancement rib 51, second enhancement rib 52 and third enhancement rib 53, regular triangle has extremely strong stability and anti-extrusion ability, can improve crest portion 3's compressive capacity.

As shown in figure 3, as another preferred embodiment of the supporting component, the supporting component further comprises an annular supporting member 6, the cross section of the annular supporting member 6 is regular triangle, the bottom surface of the annular supporting member 6 is fixed with the outer wall of the inner tube 1, the top of the annular supporting member 6 is fixed with the inner cavity of the wave crest portion 3, and the cross section of the annular supporting member 6 is regular triangle, so that the pressure resistance of the wave crest portion 3 is improved.

As shown in fig. 1, in order to protect the outer wall of the corrugated pipe and avoid damage caused by friction, wear-resistant layers 7 are arranged on the outer surfaces of the crest portions 3 and the trough portions 2, and the wear-resistant layers 7 are made of polyurethane.

As shown in fig. 1, in order to prevent corrosion of the inner pipe and prolong the service life of the inner pipe, an anticorrosive layer 8 is arranged inside the inner pipe 1, and the anticorrosive layer 8 is made of epoxy resin material, and has the advantages of good corrosion resistance, normal-temperature curing, strong adhesive force, excellent thermal stability and electrical insulation property, and the like.

As shown in fig. 4, a lug 9 is fixed to an outer wall of the trough 2 for facilitating the handling of the corrugated pipe.

The above disclosure is only for the preferred embodiments of the present invention, however, the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. An improved construction double wall corrugated pipe, comprising:

the corrugated pipe comprises an inner pipe (1), wherein an integrally-made corrugated outer pipe is fixedly sleeved outside the inner pipe (1), the outer pipe comprises a plurality of wave crest portions (3) and wave trough portions (2) which are alternately arranged, a supporting component is arranged in an inner cavity of each wave crest portion (3), annular protrusions (4) are arranged at outer included angles of the wave crest portions (3) and the wave trough portions (2), and annular reinforcing ribs (41) are arranged inside the annular protrusions (4).

2. An improved structural double wall corrugated pipe as recited in claim 1, wherein said support assembly comprises:

the supporting ring (5) is arranged in the middle of the inner cavity of the crest portion (3), a first reinforcing rib (51) is fixed to the top of the supporting ring (5), and the other end of the first reinforcing rib (51) is fixed to the center of the inner cavity of the crest portion (3);

the second reinforcing rib (52) and the third reinforcing rib (53) are respectively fixed on two sides of the bottom of the support ring (5), and the other ends of the second reinforcing rib (52) and the third reinforcing rib (53) are fixed with the outer wall of the inner pipe (1).

3. An improved structure double-wall corrugated pipe according to claim 2, wherein the included angle between the first reinforcing rib (51) and the second reinforcing rib (52), the included angle between the second reinforcing rib (52) and the third reinforcing rib (53), and the included angle between the third reinforcing rib (53) and the first reinforcing rib (51) are all 120 degrees.

4. An improved structure double-wall corrugated pipe according to claim 1, wherein the supporting assembly further comprises an annular supporting member (6), the cross section of the annular supporting member (6) is regular triangle, the bottom surface of the annular supporting member (6) is fixed with the outer wall of the inner pipe (1), and the top of the annular supporting member (6) is fixed with the inner cavity of the crest portion (3).

5. An improved structural double wall corrugated pipe according to claim 1, wherein the outer surfaces of the crest portions (3) and the trough portions (2) are provided with a wear resistant layer (7).

6. An improved construction of double-walled corrugated pipe according to claim 5, characterized in that the wear resistant layer (7) is polyurethane.

7. An improved structure double-wall corrugated pipe according to claim 1, wherein the inner pipe (1) is provided with a corrosion-proof layer (8) on the inside.

8. An improved structural double wall corrugated pipe as in claim 7 wherein said corrosion resistant layer (8) is an epoxy material.

9. An improved structure double-wall corrugated pipe according to claim 1, wherein the wave trough part (2) is fixed with lifting lugs (9) on the outer wall.