CN210890452U

CN210890452U - Corrugated pipe

Info

Publication number: CN210890452U
Application number: CN201921656170.XU
Authority: CN
Inventors: 葛黎明; 赵明朝; 郝永跃; 刘炳东
Original assignee: Zhejiang Communications Construction Group Co Ltd
Current assignee: Zhejiang Communications Construction Group Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-30
Anticipated expiration: 2029-09-30

Abstract

The corrugated pipe comprises a pipe body, wherein a drainage groove and a plurality of corrugated assemblies are formed in the outer wall of the pipe body, and the drainage groove is positioned between every two adjacent corrugated assemblies; the corrugated assembly consists of a plurality of outward-protruding corrugations and a plurality of inward-recessed corrugations which are alternately arranged, the plurality of outward-protruding corrugations and the plurality of inward-recessed corrugations are formed on the outer wall of the pipe body, and the plurality of outward-protruding corrugations and the plurality of inward-recessed corrugations are arranged along the length direction of the outer wall of the pipe body; the drainage grooves are positioned between the outer convex corrugations and the inner concave corrugations of the adjacent corrugated components; compared with the prior art, through the setting of water drainage tank for the moisture that remains on the evagination ripple flows out under water drainage tank's effect, thereby reduces the moisture residue on the bellows body outer wall, ensures precast beam pipeline grouting compactness behind the precast beam plumbing installation slip casting.

Description

Corrugated pipe

Technical Field

The utility model belongs to the technical field of the bellows, especially, relate to a bellows.

Background

The corrugated pipe mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a diaphragm capsule, a metal hose and the like. The metal corrugated pipe is mainly applied to the effects of compensating the thermal deformation of a pipeline, damping, absorbing the settlement deformation of the pipeline and the like, and is widely applied to the industries of petrifaction, instruments, aerospace, chemical industry, electric power, cement, metallurgy and the like. The corrugated pipe made of other materials such as plastics has irreplaceable effects in the fields of medium conveying, electric power threading, machine tools, household appliances and the like.

When the corrugated pipe is arranged in the traditional precast beam, the grouting compactness of the precast beam pipeline is lower after the traditional precast beam pipeline device is grouted due to the influence of various factors on the site such as slurry mixing proportion, construction process, corrugated pipe bending inflection point and grouting slurry shrinkage, so that the steel strand in the precast beam pipeline is corroded, the effective stress of the precast beam is reduced, and the potential safety hazard is buried in the later operation process.

Meanwhile, as the corrugated structure is formed on the surface of the corrugated pipe, accumulated water can be generated between the corrugations and is not easy to discharge, so that the compactness of the precast beam is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome the defect among the above-mentioned prior art, provide a simple structure, do benefit to the drainage, safe and reliable's bellows.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the corrugated pipe comprises a pipe body, wherein a drainage groove and a plurality of corrugated assemblies are formed in the outer wall of the pipe body, and the drainage groove is positioned between every two adjacent corrugated assemblies; the corrugated assembly consists of a plurality of outward-protruding corrugations and a plurality of inward-recessed corrugations which are alternately arranged, the plurality of outward-protruding corrugations and the plurality of inward-recessed corrugations are formed on the outer wall of the pipe body, and the plurality of outward-protruding corrugations and the plurality of inward-recessed corrugations are arranged along the length direction of the outer wall of the pipe body; the drainage channel is positioned between the outer convex corrugation and the inner concave corrugation of the adjacent corrugated components.

As a preferred scheme of the utility model, evagination ripple and indent ripple annular set up on the body outer wall, and the size of evagination ripple is greater than the corrugated size of indent, and evagination ripple incurves, and the indent ripple incurves.

As the utility model discloses a preferred scheme, the water drainage tank annular sets up on the body outer wall, and water drainage tank outside level sets up, and the water drainage tank links to each other with the corrugated minimum of indent.

As a preferred scheme of the utility model, the width of the drainage groove is 1mm-5 mm.

As the utility model discloses a preferred scheme, the number of evagination ripple and indent ripple on the ripple subassembly is the same, and ripple subassembly one side is the evagination ripple, and the opposite side is the indent ripple.

As an optimal scheme of the utility model, it is a plurality of the ripple subassembly orientation is the same, and ripple subassembly both sides all are equipped with water drainage tank.

As the utility model discloses a preferred scheme links to each other with water drainage tank indent ripple one side links to each other with water drainage tank, and indent ripple opposite side links to each other with the evagination ripple.

As a preferred scheme of the utility model, the external diameter size of indent ripple center concave point department is the same with water drainage tank's external diameter size, and the indent ripple is linked together with water drainage tank.

As a preferred scheme of the utility model, it is a plurality of evagination ripple and a plurality of indent ripple connect gradually, and the evagination ripple is located between the adjacent indent ripple, and the same reason indent ripple is located between the adjacent evagination ripple.

As an optimal scheme of the utility model, water drainage tank, evagination ripple and indent ripple integrated into one piece.

The beneficial effects of the utility model are that, compare with prior art: through the setting of water drainage tank for the moisture that remains on the evagination ripple flows under water drainage tank's effect, thereby reduces the moisture residue on the bellows body outer wall, ensures precast beam pipe way grouting compactness behind the precast beam plumbing installation slip casting.

Drawings

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

reference numbers in the figures: the corrugated component 1, the pipe body 2, the outer convex corrugation 3, the inner concave corrugation 4 and the drainage channel 5.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

As shown in fig. 1, the corrugated pipe comprises a pipe body 2, wherein a drainage channel 5 and a plurality of corrugated assemblies 1 are formed on the outer wall of the pipe body 2, and the drainage channel 5 is positioned between adjacent corrugated assemblies 1; the corrugated component 1 consists of a plurality of outward-convex corrugations 3 and a plurality of inward-concave corrugations 4 which are alternately arranged, the plurality of outward-convex corrugations 3 and the plurality of inward-concave corrugations 4 are formed on the outer wall of the pipe body 2, and the plurality of outward-convex corrugations 3 and the plurality of inward-concave corrugations 4 are arranged along the length direction of the outer wall of the pipe body 2; the drain grooves 5 are located between the outer convex corrugations 3 and the inner concave corrugations 4 of adjacent corrugated units 1.

One drainage groove 5 corresponds to one corrugated component 1, the drainage groove 5 is generated when the corrugated pipe is processed, one drainage groove 5 is connected with the concave corrugation 4 of the corrugated component 1, the residual water on the corrugated component 1 is drained through the drainage channel 5, the number of the outer convex corrugations 3 and the inner concave corrugations 4 of the corrugated component 1 can be set according to actual needs, when the number of the outer convex corrugations 3 and the inner concave corrugations 4 in the corrugated component 1 is large, the number of the water discharge grooves 5 is relatively small, the water discharge grooves 5 cannot sufficiently discharge the residual water on the outer convex corrugations 3 and the inner concave corrugations 4, however, the number of the drain grooves 5 is small, and similarly, when the number of the outward convex corrugations 3 and the inward concave corrugations 4 in the corrugated component 1 is small, the number of the water drainage grooves 5 is relatively large, the water drainage grooves 5 can sufficiently discharge residual water on the convex corrugations 3 and the concave corrugations 4, but the water drainage grooves 5 are difficult to process under the condition of being few.

The outer convex corrugations 3 and the inner concave corrugations 4 are annularly arranged on the outer wall of the pipe body 2, the size of the outer convex corrugations 3 is larger than that of the inner concave corrugations 4, the outer convex corrugations 3 are outwards bent, the inner concave corrugations 4 are inwards bent, and residual moisture generally remains on the inner concave corrugations 4.

The water drainage grooves 5 are annularly arranged on the outer wall of the pipe body 2, the outer sides of the water drainage grooves 5 are horizontally arranged, the water drainage grooves 5 are connected with the lowest points of the concave corrugations 4, the width of the water drainage grooves 5 is 1mm-5mm, and the water drainage grooves 5 are used for discharging reserved water on the concave corrugations 4.

The number of evagination ripple 3 and interior concave ripple 4 on the ripple subassembly 1 is the same, and 1 one side of ripple subassembly is evagination ripple 3, and the opposite side is interior concave ripple 4, and a plurality of ripple subassemblies 1 orientation is the same, and 1 both sides of ripple subassembly all are equipped with water drainage tank 5 for 5 one sides of water drainage tank link to each other with evagination ripple 3, and 5 opposite sides of water drainage tank link to each other with interior concave ripple 4, and water drainage tank 5 is convenient for flow out with the moisture on the interior concave ripple 4.

One side of an inner concave corrugation 4 connected with the water drainage groove 5 is connected with the water drainage groove 5, the other side of the inner concave corrugation 4 is connected with an outer convex corrugation 3, the outer diameter size of the central concave point of the inner concave corrugation 4 is the same as that of the water drainage groove 5, and the inner concave corrugation 4 is communicated with the water drainage groove 5.

The plurality of the outer convex corrugations 3 and the plurality of the inner concave corrugations 4 are connected in sequence, the outer convex corrugations 3 are positioned between the adjacent inner concave corrugations 4, and the inner concave corrugations 4 are positioned between the adjacent outer convex corrugations 3 in the same way.

The drainage channel 5, the convex corrugation 3 and the concave corrugation 4 are integrally formed, so that the drainage channel 5, the convex corrugation 3 and the concave corrugation 4 have better strength.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more here: the terms bellows assembly 1, tubular body 2, outwardly convex bellows 3, inwardly concave bellows 4, drain channel 5, etc., but do not exclude the possibility of using other terms; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The corrugated pipe is characterized by comprising a pipe body (2), wherein a drainage groove (5) and a plurality of corrugated assemblies (1) are formed in the outer wall of the pipe body (2), and the drainage groove (5) is positioned between the adjacent corrugated assemblies (1); the corrugated component (1) is composed of a plurality of outward-convex corrugations (3) and a plurality of inward-concave corrugations (4) which are alternately arranged, the plurality of outward-convex corrugations (3) and the plurality of inward-concave corrugations (4) are formed on the outer wall of the pipe body (2), and the plurality of outward-convex corrugations (3) and the plurality of inward-concave corrugations (4) are arranged along the length direction of the outer wall of the pipe body (2); the drainage groove (5) is positioned between the outer convex corrugation (3) and the inner concave corrugation (4) of the adjacent corrugated components (1).

2. The corrugated pipe according to claim 1, wherein the outer convex corrugation (3) and the inner concave corrugation (4) are annularly arranged on the outer wall of the pipe body (2), the size of the outer convex corrugation (3) is larger than that of the inner concave corrugation (4), the outer convex corrugation (3) is bent outwards, and the inner concave corrugation (4) is bent inwards.

3. The corrugated pipe according to claim 1, wherein the drainage grooves (5) are annularly arranged on the outer wall of the pipe body (2), the outer sides of the drainage grooves (5) are horizontally arranged, and the drainage grooves (5) are connected with the lowest points of the concave corrugations (4).

4. The bellows according to claim 3, wherein the width of the gutter (5) is 1mm-5 mm.

5. The corrugated pipe according to claim 1, wherein the number of the outer convex corrugations (3) and the number of the inner concave corrugations (4) on the corrugated component (1) are the same, and one side of the corrugated component (1) is provided with the outer convex corrugations (3) and the other side is provided with the inner concave corrugations (4).

6. The bellows according to claim 1, wherein a plurality of the bellows assemblies (1) are oriented in the same direction, and wherein the bellows assemblies (1) are provided with drainage channels (5) on both sides.

7. Corrugated pipe according to claim 1, characterised in that the concave corrugations (4) connected to the drainage channels (5) are connected to the drainage channels (5) on one side and the concave corrugations (4) are connected to the convex corrugations (3) on the other side.

8. The corrugated pipe according to claim 7, wherein the size of the outer diameter of the concave corrugation (4) at the central concave point is the same as the size of the outer diameter of the water drainage groove (5), and the concave corrugation (4) is communicated with the water drainage groove (5).

9. The corrugated pipe according to claim 1, wherein a plurality of the outer convex corrugations (3) and a plurality of the inner concave corrugations (4) are connected in sequence, the outer convex corrugations (3) are located between adjacent inner concave corrugations (4), and the inner concave corrugations (4) are located between adjacent outer convex corrugations (3).

10. The bellows according to claim 1, wherein the drainage channels (5), the outwardly convex corrugations (3) and the inwardly concave corrugations (4) are integrally formed.