CN211716538U - Pressure measuring port structure - Google Patents
Pressure measuring port structure Download PDFInfo
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- CN211716538U CN211716538U CN202020039074.7U CN202020039074U CN211716538U CN 211716538 U CN211716538 U CN 211716538U CN 202020039074 U CN202020039074 U CN 202020039074U CN 211716538 U CN211716538 U CN 211716538U
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- pressure measuring
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Abstract
The utility model relates to a pressure measurement mouth structure, include: the pressure measuring port flange is welded on the outer side of the shell side barrel, the connecting piece comprises a first spiral connector welded on the outer side of the inner barrel, a second spiral connector welded on the inner side of the shell side barrel and a metal hose used for connecting the first spiral connector and the second spiral connector, one end of the metal hose is in threaded connection with the first spiral connector, the other end of the metal hose is in threaded connection with the second spiral connector, and the inner barrel, the first spiral connector, the metal hose, the second spiral connector, the shell side barrel and the pressure measuring port flange are communicated with one another to form a pressure measuring channel, so that the structural strength of the pressure measuring port structure is greatly improved.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the field of chemical machinery, especially, relate to a pressure measurement mouth structure.
[ background of the invention ]
The waste heat boiler is a boiler for generating steam by using waste heat in an industrial production process. It belongs to a high-temperature and high-pressure heat exchanger. Waste heat boilers have earlier been used to produce some low pressure steam with limited heat recovery, only as a general auxiliary means of production. With the development of production technology, the parameters of the waste heat boiler are gradually improved, and the waste heat boiler is changed from a process boiler for producing low-pressure steam into a power boiler for producing high-pressure steam. Because the waste heat boiler belongs to a pressure vessel, a pressure measuring port is generally arranged on a shell pass cylinder, and a pressure gauge can measure the internal pressure through the pressure measuring port, the pressure measuring port structure in the prior art generally comprises an inner cylinder, the shell pass cylinder, a pressure measuring port flange and a rigid connecting pipe, one end of the rigid connecting pipe is welded with the inner cylinder, the other end of the rigid connecting pipe is welded with the shell pass cylinder, the pressure measuring port flange is welded on the outer side of the shell pass cylinder, and the inner cylinder, the rigid connecting pipe, the shell pass cylinder and the pressure measuring port flange are all communicated with each other to form a pressure measuring channel, and the pressure measuring port structure of the structure has the defects that: because the inner cylinder is connected with the shell pass cylinder through the rigid connecting pipe, the vibration of the equipment can cause the welding part of the rigid connecting pipe, the inner cylinder and the shell pass cylinder to generate cracks, thereby influencing the structural strength of the shell pass cylinder.
Therefore, it is necessary to provide a pressure tap structure that solves the above technical problems.
[ Utility model ] content
In order to solve the above problems, an object of the present invention is to provide a pressure measuring port structure with high structural strength.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a pressure tap structure comprising: the pressure measuring port flange is welded on the outer side of the shell pass cylinder body, the connecting piece comprises a first spiral connector welded on the outer side of the inner cylinder body, a second spiral connector welded on the inner side of the shell pass cylinder body and a metal hose used for connecting the first spiral connector and the second spiral connector, one end of the metal hose is in threaded connection with the first spiral connector, the other end of the metal hose is in threaded connection with the second spiral connector, and the inner cylinder, the first spiral connector, the metal hose, the second spiral connector, the shell pass cylinder body and the pressure measuring port flange are all communicated with one another to form a pressure measuring channel.
Preferably, the utility model provides a pressure measurement mouth structure further sets up to: first screwed joint is the setting of cavity tubulose, first screwed joint's one end is equipped with first internal thread section, metal collapsible tube's one end is equipped with the first external screw thread section with first internal thread section complex, second screwed joint is the setting of cavity tubulose, second screwed joint's one end is equipped with the second internal thread section, metal collapsible tube's the other end be equipped with the second external screw thread section of second internal thread section complex.
Preferably, the utility model provides a pressure measurement mouth structure further sets up to: the first spiral connector and the second spiral connector are eccentrically arranged.
Preferably, the utility model provides a pressure measurement mouth structure further sets up to: the threaded connection between the metal hose and the first screw joint is conical threaded connection.
Preferably, the utility model provides a pressure measurement mouth structure further sets up to: the threaded connection between the metal hose and the second screw joint is conical threaded connection.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a pressure measurement mouth structure is through the rigid tube among the metal collapsible tube replacement prior art for metal collapsible tube can absorb the vibration of equipment, thereby can avoid the welded junction of first screwed joint and inner tube and the welded junction of second screwed joint and shell side barrel to produce the crack, and then has improved the structural strength of pressure measurement mouth structure greatly.
[ description of the drawings ]
Fig. 1 is a schematic structural view of the structure of the middle pressure measuring port of the present invention.
In fig. 1: 1. the pressure measuring device comprises an inner cylinder, 2, a shell side cylinder, 3, a pressure measuring port flange, 4, a connecting piece, 40, a first spiral connector, 400, a first internal thread section, 41, a second spiral connector, 410, a second internal thread section, 42, a metal hose, 420, a first external thread section, 421, a second external thread section, 5 and a pressure measuring channel.
[ detailed description ] embodiments
The pressure measuring port structure of the present invention will be described in further detail with reference to the following embodiments.
Referring to fig. 1, a pressure tap structure includes: the pressure measuring device comprises an inner cylinder 1, a shell pass cylinder 2, a pressure measuring port flange 3 and a connecting piece 4 connected between the inner cylinder 1 and the shell pass cylinder 2, wherein the pressure measuring port flange 3 is welded on the outer side of the shell pass cylinder 2.
The connecting piece 4 comprises a first spiral connector 40 welded on the outer side of the inner barrel 1, a second spiral connector 41 welded on the inner side of the shell-side barrel 2 and a metal hose 42 for connecting the first spiral connector 40 and the second spiral connector 41, wherein the first spiral connector 40 and the second spiral connector 41 are eccentrically arranged. The first screw joint 40 is arranged in a hollow tubular shape, a first internal thread section 400 is arranged at one end of the first screw joint 40, a first external thread section 420 matched with the first internal thread section 400 is arranged at one end of the metal hose 42, the second screw joint 41 is arranged in a hollow tubular shape, a second internal thread section 410 is arranged at one end of the second screw joint 41, and a second external thread section 421 matched with the second internal thread section 410 is arranged at the other end of the metal hose 42. The inner cylinder 1, the first spiral joint 40, the metal hose 42, the second spiral joint 41, the shell-side cylinder 2 and the pressure measuring port flange 3 are all communicated with each other to form a pressure measuring channel 5. In this embodiment, the first internal thread section 400, the first external thread section 420, the second internal thread section 410 and the second external thread section 421 are all tapered threads, so as to have a better self-tightening function.
To sum up, the utility model provides a pressure measurement mouth structure is through the rigid tube among the metal collapsible tube 42 replacement prior art for metal collapsible tube 42 can absorb the vibration of equipment, thereby can avoid the welding department of first screwed joint 40 and inner tube 1 and second screwed joint 41 and shell side barrel 2's welding department to produce the crack, and then has improved the structural strength of pressure measurement mouth structure greatly.
The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and are not intended to limit the present invention; it should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.
Claims (5)
1. A pressure tap structure comprising: inner tube, shell side barrel, pressure measurement mouth flange and connect the connecting piece between inner tube and shell side barrel, pressure measurement mouth flange welds in the outside of shell side barrel, its characterized in that: the connecting piece is including welding in the first helical connector in the inner tube outside, welding in the second helical connector of shell side barrel inboard and being used for connecting first helical connector and second helical connector's metal collapsible tube, form threaded connection between metal collapsible tube's one end and the first helical connector, form threaded connection between metal collapsible tube's the other end and the second helical connector, thereby inner tube, first helical connector, metal collapsible tube, second helical connector, shell side barrel and pressure measurement mouth flange inside all link up each other and form the pressure measurement passageway.
2. A pressure tap structure as claimed in claim 1 wherein: first screwed joint is the setting of cavity tubulose, first screwed joint's one end is equipped with first internal thread section, metal collapsible tube's one end is equipped with the first external screw thread section with first internal thread section complex, second screwed joint is the setting of cavity tubulose, second screwed joint's one end is equipped with the second internal thread section, metal collapsible tube's the other end be equipped with the second external screw thread section of second internal thread section complex.
3. A pressure tap structure as claimed in claim 1 wherein: the first spiral connector and the second spiral connector are eccentrically arranged.
4. A pressure tap structure as claimed in claim 1 wherein: the threaded connection between the metal hose and the first screw joint is conical threaded connection.
5. A pressure tap structure as claimed in claim 1 wherein: the threaded connection between the metal hose and the second screw joint is conical threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020039074.7U CN211716538U (en) | 2020-01-09 | 2020-01-09 | Pressure measuring port structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020039074.7U CN211716538U (en) | 2020-01-09 | 2020-01-09 | Pressure measuring port structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211716538U true CN211716538U (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020039074.7U Active CN211716538U (en) | 2020-01-09 | 2020-01-09 | Pressure measuring port structure |
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| Country | Link |
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| CN (1) | CN211716538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120990A (en) * | 2020-01-09 | 2020-05-08 | 张化机（苏州）重装有限公司 | Pressure measuring port structure |
-
2020
- 2020-01-09 CN CN202020039074.7U patent/CN211716538U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120990A (en) * | 2020-01-09 | 2020-05-08 | 张化机（苏州）重装有限公司 | Pressure measuring port structure |
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