CN211624457U - Special welding corrugated pipe for sensor - Google Patents
Special welding corrugated pipe for sensor Download PDFInfo
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- CN211624457U CN211624457U CN202020191359.2U CN202020191359U CN211624457U CN 211624457 U CN211624457 U CN 211624457U CN 202020191359 U CN202020191359 U CN 202020191359U CN 211624457 U CN211624457 U CN 211624457U
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- corrugated pipe
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- bellows
- connecting joint
- pipe section
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Abstract
The utility model relates to a bellows technical field, special type welding bellows of sensor, including first attach fitting, bellows section and second attach fitting, wherein first attach fitting with the second attach fitting is connected respectively at bellows section both ends, the bellows section is the disc formula welding bellows of AM350 material, the bellows section is double-deck wall thickness welding bellows, and its individual layer wall thickness is 0.1mm, and the wave number of bellows section is 3-4 ripples, and this bellows improves the coefficient of elasticity of bellows section, has satisfied the operating mode requirement and has also guaranteed life and reliability simultaneously.
Description
Technical Field
The utility model relates to a bellows technical field, especially a bellows that sensor used.
Background
The corrugated pipe used in the common sensor is generally a hydraulic forming metal hose, and the corrugated pipe is mainly used for transmitting signals or displaying signals by the elastic deformation of the corrugated pipe through the change of the internal and external pressure difference, and is also used for sealing. The corrugated pipe used in the common sensor is generally filled with inert gas or grease medium, basically has no corrosive medium, has low requirement on service life, and can be replaced regularly, so that no special requirement is required on the material of the corrugated pipe.
The bellows that uses in the sensor, the inside and outside of bellows probably can be positive pressure, ordinary pressure and vacuum condition simultaneously, and inside and outside pressure differential is 0bar, and the bellows only uses as elastic element, and is very high to life requirement, and general bellows can not satisfy the design demand.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a special type welding bellows of sensor improves the coefficient of elasticity of bellows, satisfies the operating mode requirement and has also guaranteed life and reliability simultaneously.
In order to achieve the above object, the utility model adopts the following technical scheme:
the special welding corrugated pipe for the sensor comprises a first connecting joint, a corrugated pipe section and a second connecting joint, wherein the first connecting joint and the second connecting joint are respectively connected to two ends of the corrugated pipe section, the corrugated pipe section is an AM350 disc type welding corrugated pipe, the corrugated pipe section is a double-layer wall thickness welding corrugated pipe, the single-layer wall thickness of the corrugated pipe is 0.1mm, and the wave number of the corrugated pipe section is 3-4 waves.
Preferably, a stepped hole is formed in the end face, opposite to the corrugated pipe section, of the first connecting joint, and an inner annular face of a section with a smaller hole diameter of the stepped hole is a first threaded section.
Preferably, the special welding corrugated pipe for the sensor further comprises a connecting ring, a stepped hole is formed in the end face, opposite to the side end face, of the corrugated pipe section of the second connecting joint, an internal thread is arranged in a larger hole diameter section of the stepped hole, the outer diameter of the connecting ring is matched with the inner diameter of the larger hole diameter section of the stepped hole, an external thread is arranged on the outer ring surface of the connecting ring, and the connecting ring is installed on the inner ring surface of the larger hole diameter section of the stepped hole through the thread.
Preferably, the outer annular surfaces of the first and second connection joints are provided with annular grooves adjacent to the corrugated pipe sections.
The utility model has the advantages that:
in this embodiment, the corrugated pipe section is a welded corrugated pipe of AM350 material, the corrugated pipe section is a welded corrugated pipe of double-layer wall thickness, the single-layer wall thickness of the corrugated pipe section is 0.1mm, the elastic coefficient of the corrugated pipe section is increased through the special arrangement of the corrugated pipe section, and the wave number of the corrugated pipe section is 3-4 waves, so that the elastic coefficient of the corrugated pipe can be correspondingly increased, the working condition requirements are met, and meanwhile, the service life and the reliability are guaranteed.
Drawings
Fig. 1 is the utility model discloses special type welding bellows structure sketch map of sensor.
The reference numerals include:
10-a first connection joint, 11-a first thread segment, 20-a bellows segment, 30-a second connection joint, 40-a connection ring, 41-a second thread segment, 50-an annular groove.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The special welding corrugated pipe for the sensor comprises a first connecting joint 10, a corrugated pipe section 20 and a second connecting joint 30, wherein the first connecting joint 10 and the second connecting joint 30 are respectively connected to two ends of the corrugated pipe section 20, the corrugated pipe section 20 is a disc type welding corrugated pipe made of AM350 materials, the corrugated pipe section 20 is a double-layer wall thickness welding corrugated pipe, the single-layer wall thickness of the welding corrugated pipe is 0.1mm, and the wave number of the corrugated pipe section 20 is 3-4 waves.
As shown in the right part of fig. 1, a stepped hole is formed in an end surface of the first connection joint 10 facing away from the bellows section 20, and an inner annular surface of a section with a smaller hole diameter of the stepped hole is the first threaded section 11.
As shown in the left portion of fig. 1, the welding bellows dedicated for sensor further includes a connection ring 40, a step hole is formed on an end surface of the second connection joint 30 facing away from the bellows segment 20, an internal thread is formed in a larger bore section of the step hole, an outer diameter of the connection ring 40 is matched with an inner diameter of the larger bore section of the step hole, an outer annular surface of the connection ring 40 has an external thread, i.e., a second thread segment 41, and the connection ring 40 is installed at an inner annular surface of the larger bore section of the step hole through the second thread segment 41.
The diameter of the section of the second coupling joint 30 near the bellows section 20 is identical to the diameter of the first coupling joint 10, and the diameter of the section far from the bellows is larger than the diameter of the first coupling joint 10, so that the outside of the second coupling joint 30 is cylindrically stepped.
The first and second coupling joints 10 and 30 are each provided with an annular groove 50 on their outer circumferential surfaces adjacent to the bellows segment 20.
In this embodiment, the bellows section 20 is a disc type welded bellows made of AM350 material, the bellows section 20 is a welded bellows with a double-layer wall thickness, the single-layer wall thickness of the bellows is 0.1mm, the elastic coefficient of the bellows section is increased by the special arrangement of the bellows section 20, and the wave number of the bellows section 20 is 3-4 waves, so that the elastic coefficient of the bellows is correspondingly increased, the working condition requirement is met, and the service life and the reliability are also ensured.
The above description is only a preferred embodiment of the present invention, and many changes can be made in the detailed description and the application scope according to the idea of the present invention for those skilled in the art, which all belong to the protection scope of the present invention as long as the changes do not depart from the concept of the present invention.
Claims (4)
1. The special welding bellows of sensor, its characterized in that: the corrugated pipe comprises a first connecting joint, a corrugated pipe section and a second connecting joint, wherein the first connecting joint and the second connecting joint are respectively connected to two ends of the corrugated pipe section, the corrugated pipe section is a disc type welded corrugated pipe made of AM350 materials, the corrugated pipe section is a double-layer wall thickness welded corrugated pipe, the single-layer wall thickness of the corrugated pipe section is 0.1mm, and the wave number of the corrugated pipe section is 3-4 waves.
2. The special sensor type welded bellows according to claim 1, wherein: a stepped hole is formed in the end face, back to one side of the corrugated pipe section, of the first connecting joint, and the inner ring surface of the section with the smaller hole diameter of the stepped hole is a first thread section.
3. The special sensor type welded bellows according to claim 1, wherein: the special welding corrugated pipe for the sensor further comprises a connecting ring, a step hole is formed in the end face, opposite to one side of the corrugated pipe section, of the second connecting joint, an internal thread is arranged in the section with the larger hole diameter of the step hole, the outer diameter of the connecting ring is matched with the inner diameter of the section with the larger hole diameter of the step hole, an external thread is arranged on the outer annular surface of the connecting ring, and the connecting ring is installed on the inner annular surface of the section with the larger hole diameter of the step hole through threads.
4. The special sensor type welded bellows according to claim 1, wherein: annular grooves are formed in the outer ring surfaces of the first connecting joint and the second connecting joint and close to the corrugated pipe sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020191359.2U CN211624457U (en) | 2020-02-21 | 2020-02-21 | Special welding corrugated pipe for sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020191359.2U CN211624457U (en) | 2020-02-21 | 2020-02-21 | Special welding corrugated pipe for sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211624457U true CN211624457U (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020191359.2U Active CN211624457U (en) | 2020-02-21 | 2020-02-21 | Special welding corrugated pipe for sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN211624457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117555054A (en) * | 2023-11-09 | 2024-02-13 | 南京邮电大学 | Variable-focus liquid lens based on corrugated pipe structure and application method thereof |
-
2020
- 2020-02-21 CN CN202020191359.2U patent/CN211624457U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117555054A (en) * | 2023-11-09 | 2024-02-13 | 南京邮电大学 | Variable-focus liquid lens based on corrugated pipe structure and application method thereof |
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