CN219975691U - Corrugated pipe with reinforcing structure - Google Patents
Corrugated pipe with reinforcing structure Download PDFInfo
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- CN219975691U CN219975691U CN202321151513.3U CN202321151513U CN219975691U CN 219975691 U CN219975691 U CN 219975691U CN 202321151513 U CN202321151513 U CN 202321151513U CN 219975691 U CN219975691 U CN 219975691U
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- reinforcing structure
- corrugated
- straight section
- pipe
- corrugated pipe
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 68
- 238000005728 strengthening Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims 6
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model provides a corrugated pipe with a reinforcing structure, which comprises a pipe body, wherein corrugated units are arranged on the pipe body, any adjacent corrugated units are connected through straight sections, the straight sections are provided with the reinforcing structure, one end of the reinforcing structure is connected with the straight sections, and the other end of the reinforcing structure extends towards the center of the pipe body or extends towards the direction far away from the center of the pipe body. According to the corrugated pipe with the reinforcing structure, the straight sections are arranged between the corrugated units, the reinforcing structure is arranged on the straight sections, the strength and the rigidity performance of the corrugated pipe under pressure can be better improved on the basis that the wall thickness of the pipe body is not changed and the reinforcing ring is not arranged, the corrugated pipe is particularly suitable for external pressure (negative pressure) working conditions and square corrugated pipe fields, and meanwhile the corrugated pipe and the reinforcing structure are arranged, particularly suitable for square corrugated pipes, so that the strength and the rigidity of the square corrugated pipe are improved.
Description
Technical Field
The utility model relates to the field of expansion joints of metal corrugated pipes, in particular to a corrugated pipe with a reinforcing structure.
Background
The bellows expansion joint is used as a compensator of a pressure pipeline, can compensate thermal deformation, mechanical deformation and the like of the pipeline, and plays roles of reducing the stress of the pipeline and prolonging the service life of the pipeline.
Bellows are generally thin-walled members, the pressure-bearing properties of which require additional design. Especially, when the square corrugated pipe is adopted and the side length of the square corrugated pipe is longer, the square corrugated pipe is similar to a straight beam, the strength and the rigidity of the middle part are poor, and the pressure-bearing requirement is difficult to meet.
The cross-sectional view of the prior art bellows is shown in fig. 1, the bellows units include peaks and valleys, any adjacent bellows units are connected by valleys, and the prior art tends to increase the strength and rigidity of the structure by increasing the wall thickness or placing additional reinforcing rings on adjacent valleys. However, increasing the wall thickness results in increased cost, increased stiffness, and reduced displacement compensation; the reinforcing ring has poor applicability in external pressure (negative pressure) working conditions and square corrugated pipes, and cannot achieve good effects.
Disclosure of Invention
In view of this, the present utility model aims to propose a bellows with a reinforcing structure. To solve the problem in the prior art that the strength and rigidity of the structure are often improved by increasing the wall thickness or additionally placing reinforcing rings on adjacent wave troughs. However, increasing the wall thickness results in increased cost, increased stiffness, and reduced displacement compensation; the reinforcing ring has poor applicability in external pressure (negative pressure) working conditions and square corrugated pipes, and cannot achieve good effects.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a take additional strengthening's bellows, includes the body, set up the ripple unit on the body, connect through straight section between the arbitrary adjacent ripple unit, be provided with additional strengthening on the straight section, additional strengthening's one end with straight section is connected, additional strengthening's the other end orientation the direction at body center extends or is kept away from the direction at body center extends.
This setting is through setting up straight section between the ripple unit, sets up additional strengthening on straight section, on not changing body wall thickness, not setting up the basis of strengthening ring, intensity and rigidity performance under the pressure of promotion bellows that can be better are particularly useful for external pressure (negative pressure) operating mode and square bellows field, and this straight section is favorable to welding additional strengthening on the body more.
Further, the reinforcing structure is arranged on one side of the straight section, which is far away from the center of the pipe body, and extends towards the direction, which is far away from the center of the pipe body.
This arrangement can improve the compressive strength of the bellows.
Further, the reinforcing structure is arranged on one side of the straight section, which is close to the center of the pipe body, and extends towards the direction, which is close to the center of the pipe body.
This arrangement can improve the compressive strength of the bellows.
Further, the corrugated unit comprises wave troughs, and two ends of the straight section are connected with any adjacent wave trough.
This arrangement facilitates the connection of the reinforcing structure to the straight section.
Further, the corrugated units comprise peaks, the distance between the peaks in any adjacent corrugated units is L1, the length of the straight section is L2, and L2/L1 is more than 0.5.
This setting is convenient to set up additional strengthening on straight section, also more convenient simultaneously with additional strengthening welding on straight section.
Further, the extending direction of the reinforcing structure is perpendicular to the straight section.
The arrangement is favorable for further improving the stress distribution condition of the corrugated pipe and the reinforcing structure, and further improves the strength and the rigidity of the corrugated pipe.
Further, the connection mode of the corrugated unit and the straight section is an integrated forming mode.
Further, the reinforcing structure is connected with the straight section through welding.
This setting improves the connection stability of additional strengthening and straight section, improves the life of bellows.
Further, the reinforcing structure is at least one of a rib plate, T-shaped steel and channel steel.
The setting of strengthening ring has been avoided in this setting on the one hand, can be applicable to square bellows effectively, and on the other hand is convenient for process manufacturing, is favorable to reducing manufacturing cost.
Further, the structure of the pipe body is one of a round pipe body and a square pipe body.
The pipe body of the corrugated pipe in the arrangement has various shapes, so that the corrugated pipe can adapt to different use environments.
Compared with the prior art, the corrugated pipe with the reinforcing structure is provided. Has the following advantages:
1) According to the corrugated pipe with the reinforcing structure, the straight sections are arranged between any adjacent corrugated units, the reinforcing structure is arranged on the straight sections, and the strength and the rigidity performance of the corrugated pipe under pressure can be better improved on the basis that the wall thickness of the pipe body is not changed and the reinforcing ring is not arranged, so that the corrugated pipe is particularly suitable for external pressure (negative pressure) working conditions and square corrugated pipe fields;
2) The corrugated pipe is particularly suitable for square corrugated pipes, and the strength and the rigidity of the square corrugated pipes are obviously improved through the arrangement mode of the reinforcing structure.
Drawings
FIG. 1 is a cross-sectional view of a bellows as is conventional in the prior art;
FIG. 2 is a cross-sectional view of a bellows with a reinforcing structure according to an embodiment of the present utility model;
FIG. 3 is another cross-sectional view of a bellows with a reinforcing structure according to an embodiment of the present utility model;
fig. 4 is a schematic overall structure of a square corrugated pipe in a corrugated pipe with a reinforcing structure according to an embodiment of the present utility model.
Reference numerals illustrate:
1-a tube body, 11-a first side, 12-a second side, 13-a third side, 14-a fourth side, 15-a first connecting side, 16-a second connecting side, 17-a third connecting side, 18-a fourth connecting side, 2-corrugated units, 21-wave crests, 22-wave troughs, 3-straight sections and 4-reinforcing structures.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
It should be noted that the present utility model is not limited to these examples, but may be used in other applications having similar operating conditions. Meanwhile, the corrugated pipe in the utility model can be square corrugated pipe, round corrugated pipe, special corrugated pipe and the like, and therefore, the square corrugated pipe is focused on in the figure 4 of the utility model.
As shown in fig. 1, the corrugated tube in the prior art includes peaks 21 and troughs 22, and when the corrugated tube is a thin-walled member, the strength and rigidity thereof are poor, and especially under the working condition of bearing external pressure (negative pressure), it is often difficult to meet the practical application requirements. For this reason, the prior art tends to increase the strength and rigidity of the structure by increasing the wall thickness or by additionally placing reinforcing rings in the valleys between the peaks. However, increasing the wall thickness results in increased cost, increased stiffness, and reduced displacement compensation. The reinforcing ring has poor applicability in external pressure (negative pressure) working conditions and corrugated pipes, and cannot achieve good effects.
In order to solve the problems that in the prior art, the applicability of the corrugated pipe in external pressure (negative pressure) working conditions and square corrugated pipes is poor, practical application requirements are difficult to meet, and the like, the embodiment provides the corrugated pipe with a reinforcing structure, which comprises a pipe body 1, wherein corrugated units 2 are arranged on the pipe body 1, any adjacent corrugated units 2 are connected through straight sections 3, a reinforcing structure 4 is arranged on each straight section 3, one end of each reinforcing structure 4 is connected with each straight section 3, and the other end of each reinforcing structure 4 extends towards the direction of the center of the pipe body 1 or extends towards the direction away from the center of the pipe body 1.
In the arrangement, the reinforcing structure 4 is arranged on the straight section 3 of the corrugated pipe, so that the corrugated pipe is in a thin-wall form, the strength and the rigidity of the corrugated pipe are improved, the reinforcing effect of the corrugated pipe with high strength under the working condition of external pressure (negative pressure) is facilitated, and the corrugated pipe is particularly suitable for the square corrugated pipe, and the strength and the rigidity of the square corrugated pipe are improved; through setting up straight section 3 between ripple unit 2, set up additional strengthening 4 on straight section 3, on the wall thickness, the basis that does not set up the stiffening ring of not changing body 1, intensity and rigidity performance under the pressure of promotion bellows that can be better are particularly useful for external pressure (negative pressure) operating mode and square bellows field.
Specifically, the pipe body 1 has a certain length, not only one corrugated unit and one straight section 3 are arranged in the utility model, but at least one corrugated unit and at least one straight section 3 are arranged, and the corrugated units and the straight sections are repeatedly and circularly arranged and connected in sequence. Preferably, the pipe body 2 comprises N corrugated unit sections and N-1 straight sections 3, wherein N is more than or equal to 2; the straight section 3 is connected with any two adjacent corrugated units 3.
Preferably, the wall of the pipe body is 1-10mm.
The arrangement of the reinforcing structure 4 on the straight section 3 proposed in the present utility model has two arrangements.
Specifically, the reinforcing structure 4 is disposed on a side of the straight section 3 away from the center of the pipe body 1, and the reinforcing structure 4 extends in a direction away from the center of the pipe body 1.
Specifically, the reinforcing structure 4 is disposed on one side of the straight section 3 near the center of the pipe body 1, and the reinforcing structure 4 extends toward the direction near the center of the pipe body 1.
Preferably, the reinforcing structure 4 is arranged on the straight section 3 in any one of the two arrangement conditions, and the extending direction of the reinforcing structure 4 is perpendicular to the straight section 3, so that the stress distribution condition of the corrugated pipe and the reinforcing structure is further improved, and the strength and the rigidity of the corrugated pipe of the pipe are further improved.
Specifically, the bellows unit 2 protrudes away from the center of the pipe body 1.
In particular, the corrugated unit 2 comprises wave troughs 22, the straight segments 3 being located between the wave troughs 22.
Specifically, the corrugated units 2 include peaks 21, the distance between peaks in any adjacent corrugated units is L1, and the length of the straight section 3 is L2, wherein L2/L1 > 0.5.
Preferably, the reinforcing structure 4 is disposed at a middle position of the length L2 of the straight section 3, and the straight section 3 is equidistant from any one of the adjacent corrugated units.
Preferably, the width L4 of the reinforcing structure 4 is < L2.
Preferably, the cross-sectional structure of the reinforcing structure 4 is a square structure, and more preferably, the height L3 and the width L4 of the reinforcing structure 4 are L4, and L3 > L4.
Preferably, the reinforcing structure 4 may be formed as a continuous annular structure on the outer/inner circumference of the pipe body 1, or may be distributed on the outer/inner circumference Zhou Fenduan of the pipe body.
Specifically, the corrugated unit in the pipe body 1 of the corrugated pipe and the straight section 3 are integrally formed.
Specifically, the reinforcing structure 4 is connected with the straight section 3 through welding, and the arrangement can enable the reinforcing structure to be connected with the straight section more firmly, so that the service life of the corrugated pipe is prolonged.
Specifically, the reinforcing structure 4 is at least one of a rib plate, T-shaped steel and channel steel. On one hand, the arrangement of the reinforcing ring is avoided, the corrugated pipe is effectively applicable to square corrugated pipes, on the other hand, the corrugated pipe is convenient to process and manufacture, and the production and manufacturing cost is reduced.
Specifically, the structure of the pipe body 1 is one of a circular shape, a square shape and an opposite shape. The pipe body of the corrugated pipe has various shapes, so that the corrugated pipe can adapt to different use environments.
Preferably, when the pipe body 1 of the corrugated pipe is a square corrugated pipe body, as shown in fig. 4, the pipe body is a lightweight universal ring, the reinforcing structure 4 is arranged on one side of the straight section 3 near the center of the pipe body 2, and the reinforcing structure 4 extends towards the direction near the center of the pipe body 1.
The pipe body 1 comprises a first side 11, a second side 12, a third side 13 and a fourth side 14, wherein the first side 11 is parallel to the third side 13, the second side 12 is parallel to the fourth side 14, the first side 11 is connected with the second side 12 through a first connecting side 15, the second side 12 is connected with the third side 13 through a second connecting side 16, the third side 13 is connected with the fourth side 14 through a third connecting side 17, and the fourth side 14 is connected with the first side 11 through a fourth connecting side 18.
Preferably, the first connecting edge 15, the second connecting edge 16, the third connecting edge 17, and the fourth connecting edge 18 are all arc structures.
Although the present utility model is disclosed above, the present utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model should be assessed accordingly to that of the appended claims.
Claims (10)
1. The utility model provides a take additional strengthening's bellows, its characterized in that, includes body (1), set up ripple unit (2) on body (1), connect through straight section (3) between arbitrary adjacent ripple unit (2), be provided with additional strengthening (4) on straight section (3), the one end of additional strengthening (4) with straight section (3) are connected, the other end orientation of additional strengthening (4) the direction at body (1) center extends or the orientation is kept away from the direction at body (1) center extends.
2. A corrugated tube with reinforcement structure according to claim 1, characterized in that the reinforcement structure (4) is arranged on the side of the straight section (3) remote from the centre of the tube body (1), the reinforcement structure (4) extending in a direction remote from the centre of the tube body (1).
3. A corrugated tube with reinforcement structure according to claim 1, characterized in that the reinforcement structure (4) is arranged on the side of the straight section (3) near the centre of the tube body (1), the reinforcement structure (4) extending in a direction near the centre of the tube body (1).
4. A corrugated tube with reinforcing structure according to claim 1, wherein the corrugated unit (2) comprises wave troughs (22), both ends of the straight segment (3) being connected to any adjacent wave trough (22).
5. A corrugated tube with reinforcing structure according to claim 4, wherein the corrugated unit (2) comprises peaks (21), the distance between any adjacent peaks (21) being L1, the length of the straight section (3) being L2, wherein L2/L1 > 0.5.
6. A bellows with reinforcing structure according to claim 1, characterized in that the extending direction of the reinforcing structure (4) is perpendicular to the straight section (3).
7. A bellows with reinforcing structure according to claim 1, characterized in that the connection of the bellows unit (2) and the straight section (3) is in the form of an integral formation.
8. A bellows with reinforcing structure according to claim 1, characterized in that the reinforcing structure (4) is connected to the straight section (3) by welding.
9. The corrugated pipe with the reinforcing structure according to claim 1, wherein the reinforcing structure (4) is at least one of a rib plate, a T-shaped steel and a channel steel.
10. A corrugated pipe with a reinforcing structure according to claim 1, characterized in that the structure of the pipe body (1) is one of a circular pipe body and a square pipe body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321151513.3U CN219975691U (en) | 2023-05-12 | 2023-05-12 | Corrugated pipe with reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321151513.3U CN219975691U (en) | 2023-05-12 | 2023-05-12 | Corrugated pipe with reinforcing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975691U true CN219975691U (en) | 2023-11-07 |
Family
ID=88596233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321151513.3U Active CN219975691U (en) | 2023-05-12 | 2023-05-12 | Corrugated pipe with reinforcing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975691U (en) |
-
2023
- 2023-05-12 CN CN202321151513.3U patent/CN219975691U/en active Active
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