CN213393835U - Pressure-resistant corrugated pipe - Google Patents
Pressure-resistant corrugated pipe Download PDFInfo
- Publication number
- CN213393835U CN213393835U CN202021972684.9U CN202021972684U CN213393835U CN 213393835 U CN213393835 U CN 213393835U CN 202021972684 U CN202021972684 U CN 202021972684U CN 213393835 U CN213393835 U CN 213393835U
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- China
- Prior art keywords
- bellows
- ripple
- corrugated
- corrugated pipe
- layers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a withstand voltage bellows, including the bellows body, bellows body length direction's both ends all are provided with a plurality of ripple layers, the bellows body is the tubulose setting, ripple layer ripple is the U type, and every end the ripple number of piles is 2 ~ 4 layers, ripple body bottom is provided with the valve junction. The utility model discloses, improve the resistance to pressure of bellows, simple process, the preparation degree of difficulty is low, improves the life of bellows.
Description
Technical Field
The utility model relates to a bellows technical field especially relates to a withstand voltage bellows.
Background
Valves are very commonly used in piping systems. With the development of modern industry, high-temperature and high-pressure situations appear in production process pipelines in petrochemical industry, building industry, pharmaceutical industry and food industry. The valve is an important part in pipeline control, and the valve with pressure resistance of more than 10MPa is increasingly applied.
The application of bellows in valves is very common, and the bellows is usually used as a mechanical seal on a valve stem, and the main function is to prevent the medium flowing in the valve from leaking. With the development of industry, higher requirements are provided for the internal and external pressure resistance of the corrugated pipe, the corrugation of the traditional corrugated pipe is in an S shape, in order to improve the internal and external pressure resistance of the corrugated pipe, the common method in the prior art is to increase the wall thickness, increase the number of layers or reduce the height of the corrugated pipe, the methods not only increase the manufacturing difficulty of the corrugated pipe, but also easily reduce the performance index of the corrugated pipe, so that the axial rigidity of the corrugated pipe is increased, the compensation amount is reduced, the residual deformation amount is large, and the service life is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems existing in the prior art and providing a pressure-resistant corrugated pipe.
The technical scheme is as follows: the utility model provides a withstand voltage bellows, includes the bellows body, bellows body length direction's both ends all are provided with a plurality of ripple layers, the bellows body is the tubulose setting, ripple layer ripple is the U type, and every end the ripple number of piles is 2 ~ 4 layers, bellows body bottom is provided with the valve junction.
Preferably, the valve connection is arranged in a step shape.
Preferably, the corrugated layer comprises a corrugated end and a corrugated valley end, and the surface diameter of the corrugated layer is consistent with that of the corrugated pipe body.
Preferably, the thickness of each corrugated layer is not less than 1.4mm, and the height of each corrugated layer is 9 mm.
Preferably, the material of the corrugated pipe body is stainless steel.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. the utility model discloses a mutually supporting of bellows body, ripple layer and valve junction improves the resistance to pressure of bellows, simple process, and the preparation degree of difficulty is low, improves the life of bellows.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a sectional view of an overall structure of a pressure-resistant corrugated pipe according to the present invention;
in the figure: 1. a bellows body; 2. a corrugated layer; 21. a corrugated peak end; 22. a corrugated valley end; 3. the valve junction.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, a pressure-resistant corrugated pipe comprises a corrugated pipe body 1, wherein a plurality of corrugated layers 2 are arranged at two ends of the corrugated pipe body 1 in the length direction, the corrugated pipe body 1 is in a tubular shape, and the corrugations of the corrugated layers 2 are in a U shape, so that the pressure applied to each corrugated part of each corrugated layer 2 is uniform; and every end the number of ripple layers is 2 ~ 4 layers, 1 bottom of ripple body is provided with valve junction 3, bellows body 1 is last not to set up the ripple, has reduced the degree of difficulty of bellows processing, improves the work efficiency of bellows processing, also guarantees the pressure resistance of bellows simultaneously, improves the life of bellows.
The valve junction 3 is arranged in a ladder shape, so that the corrugated pipe and the valve are conveniently connected, and the operation is simpler and more convenient.
The corrugated layer 2 comprises a corrugated end and a corrugated valley end, and the surface diameter of the corrugated layer 2 is consistent with that of the corrugated pipe body 1.
The thickness of the corrugated layer 2 is not less than 1.4mm, and the corrugation height of the corrugated layer 2 is 9 mm.
The corrugated pipe body 1 is made of stainless steel, so that the service life of the corrugated pipe is prolonged.
The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All changes and modifications that come within the spirit of the invention are desired to be protected.
Claims (5)
1. The utility model provides a withstand voltage bellows, includes the bellows body, its characterized in that, bellows body length direction's both ends all are provided with a plurality of ripple layers, the bellows body is the tubulose setting, ripple layer ripple is the U type, and every end the ripple number of piles is 2 ~ 4 layers, bellows body bottom is provided with the valve junction.
2. A pressure resistant bellows as claimed in claim 1 wherein the valve connection is stepped.
3. A pressure resistant bellows as claimed in claim 1 wherein said corrugated layer comprises peak corrugation ends and valley corrugation ends, said corrugated layer surface diameter corresponding to the bellows body surface diameter.
4. A pressure resistant corrugated pipe as claimed in claim 1 wherein said corrugated layers are no less than 1.4mm thick and have a corrugation height of 9 mm.
5. A pressure resistant bellows as claimed in claim 1 wherein the bellows body is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021972684.9U CN213393835U (en) | 2020-09-10 | 2020-09-10 | Pressure-resistant corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021972684.9U CN213393835U (en) | 2020-09-10 | 2020-09-10 | Pressure-resistant corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213393835U true CN213393835U (en) | 2021-06-08 |
Family
ID=76215952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021972684.9U Expired - Fee Related CN213393835U (en) | 2020-09-10 | 2020-09-10 | Pressure-resistant corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213393835U (en) |
-
2020
- 2020-09-10 CN CN202021972684.9U patent/CN213393835U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210608 |