CN215763710U

CN215763710U - High-strength metal corrugated pipe

Info

Publication number: CN215763710U
Application number: CN202121949922.9U
Authority: CN
Inventors: 艾嘉
Original assignee: Raoyang Junyu Railway Prefabricated Parts Manufacturing Co ltd
Current assignee: Beijing Yuxin Changhe Building Materials Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-02-08
Anticipated expiration: 2031-08-19

Abstract

The utility model provides a high strength corrugated metal pipe, includes the bellows body, bellows body both ends are the connector, and be connected with crest and trough in the middle of the connector in both ends in turn, are connected with the boss between the crest, are provided with the beaded finish in the trough. According to the corrugated metal pipe, the reinforcing rings are filled in the wave troughs of the corrugated metal pipe, so that the internal pressure which can be borne by the corrugated metal pipe can be effectively improved, the pipe body is protected, the reinforcing blocks which are connected with the wave crests of the corrugated metal pipe interact with the springs which are arranged in the reinforcing blocks, so that the corrugated metal pipe can bear larger axial force or torsional force, the wall thickness of the wave crest bearing layer on the outer layer part of the wave crests is thicker than that of the pipe walls on other places, the top of the wave crest bearing layer is a flat layer, so that the stress area of the corrugated pipe is increased, meanwhile, the supporting columns are arranged in the corrugated pipe, so that the corrugated pipe is supported to bear larger external pressure, the strength of the corrugated metal pipe is increased, and the bearing capacity of the corrugated pipe is effectively improved.

Description

High-strength metal corrugated pipe

Technical Field

The utility model belongs to the field of corrugated pipes, and particularly relates to a high-strength metal corrugated pipe.

Background

The metal corrugated pipe is a pipe with a regular wave-like appearance, and the commonly used metal corrugated pipes comprise carbon steel, stainless steel, steel lining plastic, aluminum and the like. The connecting device is mainly used for connecting pipelines or connecting pipelines and equipment in occasions where small bending radius non-concentric axial transmission is needed, or irregular turning and stretching are needed, or thermal deformation of the pipelines and the like are absorbed, or the fixed elbow is inconvenient to install.

In practical application, people can determine the type and the wall thickness of the metal corrugated pipe according to the use environment, and when the metal corrugated pipe is subjected to uneven tension, pressure or shearing force, the metal corrugated pipe can be deformed, so that the service life of the metal corrugated pipe is shortened, adverse effects such as water leakage and air leakage of the pipeline can be caused in serious conditions, and danger is generated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-strength metal corrugated pipe, which is used for increasing the strength of the metal corrugated pipe so as to solve the pressure resistance problem of the metal corrugated pipe.

In order to achieve the purpose, the specific technical scheme of the high-strength metal corrugated pipe is as follows:

the utility model provides a high strength corrugated metal pipe, includes the bellows body, bellows body both ends are the connector, and be connected with crest and trough in the middle of the connector in both ends in turn, are connected with the boss between the crest, are provided with the beaded finish in the trough.

Furthermore, the reinforcing ring surrounds the outer wall of the wave trough and is tightly attached to the outer wall of the wave trough, so that the corrugated pipe can bear the radial pressure inside the pipe.

Further, the cross-section of the reinforcement ring may be circular or semicircular.

Furthermore, the reinforcing block is fixedly connected to the side wall of the wave crest, and the reinforcing block is connected with the wave crest.

Furthermore, the upper surface and the lower surface of the reinforcing block are both arc-shaped, and the circle center of the arc coincides with the axis of the corrugated pipe.

Furthermore, at least two groups of reinforcing blocks are arranged between every two wave crests.

Further, a spring is arranged inside the reinforcing block, and the reinforcing block interacts with the built-in spring, so that the corrugated pipe can bear larger axial force.

Further, the periphery of the wave crest is a wave crest bearing layer.

Furthermore, the top of the wave crest pressure bearing layer is a flat layer so as to increase the stress area of the corrugated pipe.

Furthermore, there is the support column bellows inside, and support column fixed connection is on the crest inner wall, and the support column sets up a set ofly at least in this internal corrugated pipe, and the support column is used for supporting the corrugated pipe and bears external pressure.

The high-strength metal corrugated pipe has the following advantages: when the fluid flows through the corrugated metal pipe, pressure is generated on the inner wall of the pipe, or the pipe body expands, and the reinforcing ring is filled in the wave trough of the corrugated metal pipe, so that the pressure inside the corrugated pipe can be effectively increased. During installation or use, when the metal corrugated pipe stretches or contracts, the reinforcing block connected with the wave crest interacts with the built-in spring so that the corrugated pipe can bear larger axial force. The wall thickness of crest bearing layer is thicker than the pipe wall in other places, and the top of crest bearing layer is the flat bed to the lifting surface area of increase bellows, there is the support column inside the bellows, in order to support the bellows and bear bigger external pressure, improves the bearing capacity of bellows jointly effectively.

Drawings

FIG. 1 is a schematic structural view of a high strength metal bellows according to the present invention;

FIG. 2 is an axial cross-sectional structural schematic of the present invention;

FIG. 3 is a schematic view of a radial cross-sectional configuration of the present invention;

FIG. 4 is a cross-sectional view of a support post according to the present invention;

FIG. 5 is a schematic perspective view of the present invention;

FIG. 6 is a schematic structural diagram of another embodiment of the present invention;

fig. 7 is a schematic structural diagram of another embodiment of the present invention.

The notation in the figure is: 1. a bellows body; 2. wave crest; 3. a trough of a wave; 4. a reinforcing block; 5. a reinforcement ring; 6. a joint; 7. a support pillar; 21. the outer side wall of the wave crest; 22. a wave crest bearing layer; 23. the inner wall of the wave crest; 41. a spring.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, a high strength metal corrugated pipe of the present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the high-strength metal corrugated pipe of the present invention includes a corrugated pipe body 1, and connectors 6 are disposed at two ends of the corrugated pipe body 1. Wave crests 2 and wave troughs 3 are alternately connected between the connectors 6 at the two ends.

There is reinforcing ring 5 in trough 3, reinforcing ring 5 encircles at 3 outer walls of trough, reinforcing ring 5's cross section can be circular or semicircular, reinforcing ring 5 with 3 outer walls of trough are closely laminated, reinforcing ring 5 can make the bellows can bear bigger inside radial pressure, increases the intensity of bellows.

As shown in fig. 1 and 2, the periphery of the wave crest 2 is a wave crest pressure bearing layer 22, the wall thickness of the wave crest pressure bearing layer 22 is three times of that of other pipes, and the top of the pressure bearing layer is a flat layer, so that the stress area of the corrugated pipe is increased, and the pressure bearing capacity of the corrugated pipe is effectively improved. There is certain arc in crest flat bed both sides, avoids bellows fish tail staff.

As shown in fig. 2 and 3, a reinforcing block 4 is connected between the two peaks 2, the reinforcing block 4 is fixedly connected to the peak sidewall 21, and the reinforcing block 4 connects the peaks 2 to each other. The center of the reinforcing block 4 is provided with a spring 41, the reinforcing block 4 wraps the spring 41, and two ends of the spring 41 are fixedly connected to the wave crest side wall 21.

The upper surface and the lower surface of each reinforcing block 4 are circular arcs, the circle centers of the circular arcs are overlapped with the axis of the corrugated pipe, the radian of each circular arc is 10-30 degrees, and at least two groups of reinforcing blocks 4 are arranged between every two wave crests 2. As shown in fig. 3, three sets of the reinforcing blocks 4 are disposed between the peaks 2. The reinforcing block 4 is provided with a spring 41 in the center, and when the corrugated pipe is stretched or compressed, the reinforcing block 4 and the built-in spring 41 interact with each other, so that the corrugated pipe can bear larger axial force.

As shown in fig. 2, 3, 4 and 5, a supporting column 7 is arranged inside the corrugated pipe body 1, the supporting column 7 is fixedly connected to the inner wall 23 of the wave crest, the supporting column 7 is formed by welding 6 cylindrical columns, at least one group of supporting columns 7 is arranged in the corrugated pipe body 1, and the supporting column 7 is used for supporting the corrugated pipe to bear external pressure and increasing the strength of the corrugated pipe.

As shown in fig. 6, in another embodiment of the present invention, the reinforcing blocks 4 may be disposed in parallel or in a staggered manner.

As shown in fig. 7, in another embodiment of the present invention, the reinforcing block 4 and the reinforcing ring 5 may be disposed continuously or at intervals.

When the high-strength metal corrugated pipe disclosed by the utility model is used, when fluid flows through the metal corrugated pipe, the fluid can generate pressure on the inner wall of the pipe, even the pipe body is expanded, and the reinforcing ring 5 is filled in the wave trough 3 of the metal corrugated pipe, so that the internal pressure which can be borne by the corrugated pipe can be effectively improved, and the pipe body is protected. During installation or use, when the metal corrugated pipe is stretched, contracted, displaced or twisted too much, the reinforcing block 4 connecting the wave crests of the metal corrugated pipe interacts with the spring 41 built in the reinforcing block to enable the corrugated pipe to bear larger axial force or twisting force. Meanwhile, the wall thickness of the wave crest pressure bearing layer 22 on the outer layer part of the wave crest 2 is thicker than the wall thickness of the wave crest pressure bearing layer 22 on other places, the top of the wave crest pressure bearing layer 22 is a flat layer so as to increase the stress area of the corrugated pipe, the supporting columns 7 are arranged in the corrugated pipe so as to support the corrugated pipe to bear larger external pressure, the strength of the metal corrugated pipe is increased, and the pressure bearing capacity of the corrugated pipe is effectively improved.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a high strength corrugated metal pipe, includes bellows body (1), its characterized in that, bellows body (1) both ends are connector (6), both ends be connected with crest (2) and trough (3) in the middle of connector (6) in turn, be connected with boss (4) between crest (2), be provided with beaded finish (5) in trough (3).

2. The high strength corrugated metal pipe as claimed in claim 1 wherein the reinforcement ring (5) surrounds the outer walls of the troughs (3) and is in close contact with the outer walls of the troughs (3) to enable the pipe to withstand radial pressure inside the pipe.

3. A high strength metal bellows according to claim 1 or 2, wherein the cross-section of the reinforcement ring (5) may be circular or semicircular.

4. A high strength metal bellows according to claim 1, wherein the reinforcing block (4) is fixedly attached to the side wall (21) of the wave crest, the reinforcing block (4) being interconnected with the wave crest (2).

5. The high-strength metal corrugated pipe as claimed in claim 1, wherein the upper and lower surfaces of the reinforcing block (4) are circular arcs, and the center of the circular arc coincides with the axis of the corrugated pipe.

6. A high strength metal bellows according to claim 1, wherein at least two sets of said reinforcing blocks (4) are provided between each two of said peaks (2).

7. A high strength metal bellows according to any one of claims 1, 4 to 6, wherein a spring (41) is provided inside the reinforcing block (4), and the reinforcing block (4) interacts with the innerspring (41) to enable the bellows to withstand greater axial forces.

8. The high strength metal bellows according to claim 1, wherein an outer layer portion of the crests (2) is a crest bearing layer (22).

9. The high strength metal bellows of claim 8 wherein the top of the peak bearing layer (22) is a flat layer to increase the force bearing area of the bellows.

10. The high-strength metal corrugated pipe as claimed in claim 1, wherein the corrugated pipe body (1) is provided with support pillars (7), the support pillars (7) are fixedly connected to the inner wall (23) of the wave crest, at least one group of support pillars (7) is arranged in the corrugated pipe body (1), and the support pillars (7) are used for supporting the corrugated pipe to bear external pressure.