CN212513439U - Pressure pipeline pressure detection device - Google Patents
Pressure pipeline pressure detection device Download PDFInfo
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- CN212513439U CN212513439U CN202021535327.6U CN202021535327U CN212513439U CN 212513439 U CN212513439 U CN 212513439U CN 202021535327 U CN202021535327 U CN 202021535327U CN 212513439 U CN212513439 U CN 212513439U
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Abstract
The pressure pipeline pressure detection device is arranged on a pipeline and further comprises a connecting structure and a detection structure, wherein the connecting structure comprises a transparent pipe, a spring and a piston, the piston is contained in the transparent pipe and is in sliding contact with the inner circumferential surface of the transparent pipe, and one end of the spring is fixedly connected with the piston. The utility model can fix the connecting structure on the connecting pipe by arranging the through hole and the connecting pipe on the pipeline, thereby conveniently detecting the air pressure in the pipeline; meanwhile, the sealing ring is arranged in the fixed pipe, so that the sealing between the fixed pipe and the connecting pipe can be realized, and the fixed ring is matched with the fixed ring and pressed against the sealing ring, so that the sealing ring can be compressed, and a remarkable sealing effect can be realized; meanwhile, a piston and a spring are arranged in the transparent tube, and scales are arranged on the outer circumferential surface of the transparent tube so as to read the displacement of the piston moving in the transparent tube, and further the air pressure in the pipeline can be judged.
Description
Technical Field
The utility model belongs to the technical field of the pressure pipe technique and specifically relates to a pressure pipeline pressure measurement.
Background
In pipelines such as coal gas, natural gas, because inside atmospheric pressure is higher, and then can influence the safety of pipeline, consequently need detect the inside atmospheric pressure of pipeline to guarantee that the inside atmospheric pressure of pipeline is suitable, prevent the incident. However, the conventional pressure detection device mainly includes a sensor disposed in the pipeline and transmits a signal to the outside of the pipeline for processing, but when the sensor is disposed in the pipeline, if there is an electric leakage or the like, the sensor may detonate gas or natural gas in the pipeline, which is poor in safety and high in cost, and is not suitable for large-scale popularization and application.
Therefore, there is a need to provide a new technical solution to overcome the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can effectively solve above-mentioned technical problem's pipeline under pressure detection device.
In order to achieve the purpose of the utility model, the following technical proposal is adopted:
the pressure pipeline pressure detection device is arranged on a pipeline and further comprises a connecting structure and a detection structure which are arranged on the pipeline, wherein the connecting structure comprises a transparent pipe, a spring and a piston, the spring and the piston are arranged in the transparent pipe, the piston is contained in the transparent pipe and is in sliding contact with the inner circumferential surface of the transparent pipe, and one end of the spring is fixedly connected with the piston.
Preferably, the detection structure further comprises a fixed block arranged in the transparent tube, and one end of the fixed block is fixedly connected with the inner circumferential surface of the transparent tube.
Preferably, the other end of the spring is fixedly connected with the fixed block.
Preferably, the pipeline is provided with a through hole and a connecting pipe positioned outside the pipeline.
Preferably, the through hole penetrates through the inner and outer surfaces of the pipeline, and one end of the connecting pipe is aligned with the through hole and fixedly connected with the outer circumferential surface of the pipeline.
Preferably, the connecting structure comprises a fixed pipe, and the upper end of the connecting pipe is accommodated in the fixed pipe and is in threaded connection with the fixed pipe.
Preferably, the lower end of the transparent tube is accommodated in the fixed tube and is fixedly connected with the inner circumferential surface of the fixed tube.
Preferably, the connecting structure further comprises a sealing ring disposed in the fixing tube.
Preferably, the outer circumferential surface of the sealing ring is fixedly connected with the inner circumferential surface of the fixed pipe, and the lower surface of the sealing ring abuts against the upper surface of the connecting pipe.
Preferably, the connecting structure further comprises a fixing ring arranged in the fixing tube, an outer circumferential surface of the fixing ring is fixedly connected with an inner circumferential surface of the fixing tube, and a lower surface of the fixing ring is fixedly connected with an upper surface of the sealing ring.
Compared with the prior art, the utility model discloses following beneficial effect has: the pressure pipeline pressure detection device of the utility model can conveniently detect the air pressure in the pipeline by arranging the through hole and the connecting pipe on the pipeline so as to fix the connecting structure on the connecting pipe, and make the gas in the pipeline enter the connecting structure through the through hole; meanwhile, the sealing ring is arranged in the fixed pipe, so that the fixed pipe and the connecting pipe can be effectively sealed, and the fixed pipe is matched with the fixed ring, the fixed ring is pressed against the sealing ring, so that the sealing ring can be compressed, the remarkable sealing effect can be achieved, and the stable connection between the fixed pipe and the connecting pipe can be ensured; meanwhile, the piston and the spring are arranged in the transparent tube, and the scales are arranged on the outer circumferential surface of the transparent tube, so that the displacement of the piston moving in the transparent tube can be read, the air pressure in the pipeline can be further judged, the structure is simple, the use is convenient, electronic components such as a sensor and the like are not needed, the safety is high, the cost is low, and the device is suitable for popularization and application; and the lower extreme with the hyaline tube sets up in the fixed tube to can reduce the size of hyaline tube internal diameter, and then reduce the radius size of piston, so that reduce the piston and receive its below gas to its pressure, and then make the compression of spring reduce, prevent to cause the damage to piston and spring, and can enlarge the scope that detects atmospheric pressure.
Drawings
Fig. 1 is a schematic structural view of the pressure pipeline pressure detection device of the present invention;
FIG. 2 is a cross-sectional view taken along the direction A-A' of the pressure pipeline pressure detecting device of the present invention shown in FIG. 1;
fig. 3 is a cross-sectional view along the direction B-B' of the pressure pipeline pressure detecting device of the present invention shown in fig. 1.
Detailed Description
The following will make clear and complete description of the pressure pipeline pressure detecting device of the present invention with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 to fig. 3, the pressure pipeline pressure detecting device of the present invention is disposed on the pipeline 1, and includes a connecting structure 2, a detecting structure 3 disposed on the connecting structure 2.
As shown in fig. 1, the pipeline 1 is a gas pipeline such as coal gas, natural gas, etc., the gas inside the pipeline has a certain pressure, and the pipeline 1 is provided with a through hole 11 and a connecting pipe 12 arranged outside the pipeline 1. The through hole 11 penetrates through the inner and outer surfaces of the pipe 1. The lower end of the connecting pipe 12 is aligned with the through hole 11 and is fixedly connected with the outer surface of the pipeline 1, so that the connecting pipe 12 is communicated with the inside of the pipeline 1 through the through hole 11.
The arrangement of the through hole 11 and the connecting pipe 12 can enable gas inside the pipeline 1 to enter the connecting pipe 12 and then enter the connecting structure 2 and the detection structure 3, so that the air pressure inside the pipeline 1 can be detected.
As shown in fig. 1, the connection structure 2 includes a fixed pipe 21, a fixed ring 22 disposed in the fixed pipe 21, and a sealing ring 23 located below the fixed ring 22. The fixed pipe 21 is a hollow cylinder, the upper end of the connecting pipe 12 is contained in the fixed pipe 21 and is in threaded connection with the fixed pipe so as to fix the fixed pipe 21 at the upper end of the connecting pipe 12, and therefore gas in the connecting pipe 12 can enter the fixed pipe 21. The fixing ring 22 is in a circular ring shape, the fixing ring 22 is accommodated in the fixing pipe 21, the outer circumferential surface of the fixing ring 22 is fixedly connected with the inner circumferential surface of the fixing pipe 21, and the fixing ring 22 is located above the connecting pipe 12. The sealing ring 23 is annular, the upper surface of the sealing ring 23 is fixedly connected with the lower surface of the fixing ring 22, and the lower surface of the sealing ring 23 can be abutted against the upper surface of the connecting pipe 12, so that the sealing between the connecting pipe 12 and the fixing pipe 21 can be realized.
The connecting structure 2 is arranged to fix the fixing tube 21 in the connecting tube 12, and the sealing ring 23 is matched to play an effective sealing role, and meanwhile, the fixing ring 22 is arranged to support and fix the sealing ring 23, so that the sealing ring 23 is tightly propped against the upper end of the connecting tube 12.
As shown in fig. 1 and 3, the detection structure 3 includes a transparent tube 31, a fixed block 32 disposed in the transparent tube 31, a spring 33 disposed below the fixed block 32, and a piston 34 disposed below the spring 33. The transparent tube 31 is a cylinder, the transparent tube 31 is made of a transparent material, such as high-strength glass, and the lower end of the transparent tube 31 is received in the fixed tube 21 and is fixedly connected to the inner circumferential surface of the fixed tube, so that the inner diameter of the transparent tube 31 is smaller than the inner diameter of the fixed tube 21. A plurality of fixing blocks 32 are provided, and one end of each fixing block 32 is fixedly connected with the inner circumferential surface of the transparent tube 31. The springs 33 are provided with a plurality of springs, the upper ends of the springs 33 are fixedly connected with the fixed block 32, and the lower ends of the springs 33 are fixedly connected with the piston 34, so that the piston 34 is supported. The piston 34 is accommodated in the transparent tube 31 and is in sliding contact with the inner circumferential surface of the transparent tube, so that the piston 34 can move up and down in the transparent tube 31, the radius of the radial section of the piston 34 is smaller than the inner diameter of the fixed tube 21 because the inner diameter of the transparent tube 31 is smaller than the inner diameter of the fixed tube 21, and further, according to a pressure equal to a pressure and area product formula, the pressure on the piston 34 can be determined to be smaller, and the spring 33 can be prevented from being damaged. Scales are arranged on the outer circumferential surface of the transparent tube 31 so as to observe the moving range of the piston 34, and the pressure intensity of the gas in the pipeline 1 can be determined according to the moving range of the piston 34.
When the air pressure in the pipeline 1 is higher due to the arrangement of the piston 34, the gas enters the detection pipe 31 through the connecting pipe 12 and the fixed pipe 21, acts on the piston 34, so that the piston 34 moves upwards in the detection pipe 31, the spring 33 is compressed, assuming that the air pressure in the pipe 1 is P, the area of the lower surface of the piston 34 is S, the elastic coefficient of the spring 33 is k, the compression amount of the spring 33 is x, the gravity of the piston 34 is G, since the piston 34 is subjected to an upward pressure F ═ P × S + G, and F ═ k × x acts on the spring 33, k × x ═ P × S + G, furthermore, it can be found that P ═ (k × x-G)/S, and since the values of k, G and S are constant, therefore, P and x are linearly related, so that the pressure inside the pipe 1 can be directly detected according to the scale on the outer circumferential surface of the detecting tube 31.
When the fixing device is used, the fixing tube 21 is first fixed on the connecting tube 12 by screwing, the upper end of the connecting tube 12 is accommodated in the fixing tube 21, the sealing ring 23 abuts against the upper surface of the connecting tube 12, and the fixing ring 22 supports the sealing ring 23, so that the sealing ring 23 has a remarkable sealing effect on the fixing tube 21 and the connecting tube 12. Then, gas is introduced into the pipeline 1, at this time, the gas enters the fixed pipe 21 and the detection pipe 31 through the through hole 11 and the connecting pipe 12, due to the fact that the sealing ring 23 is arranged, a remarkable sealing effect can be achieved, the gas in the fixed pipe 21 and the detection pipe 31 cannot leak, the gas pressure in the detection pipe 31 is the same as the gas pressure in the pipeline 1, at this time, the piston 34 moves upwards under the effect of containing gas pressure, the spring 33 is compressed, at this time, scales on the outer circumferential surface of the detection pipe 31 can be read, so that the compression amount of the spring 33 can be determined, the pressure intensity can be calculated according to the formula, and the method does not need to be provided with a sensor, is low in cost, needs to use electronic components, is high in safety, and is suitable for environments which need to manually read. Therefore, the utility model discloses pipeline under pressure detection device use description finishes.
Claims (10)
1. The utility model provides a pipeline under pressure detection device, sets up on the pipeline its characterized in that: the pressure pipeline pressure detection device further comprises a connecting structure and a detection structure which are arranged on the pipeline, wherein the connecting structure comprises a transparent pipe, a spring and a piston, the spring and the piston are arranged in the transparent pipe, the piston is contained in the transparent pipe and is in sliding contact with the inner circumferential surface of the transparent pipe, and one end of the spring is fixedly connected with the piston.
2. The pressure line pressure detection device of claim 1, wherein: the detection structure further comprises a fixed block arranged in the transparent pipe, and one end of the fixed block is fixedly connected with the inner circumferential surface of the transparent pipe.
3. The pressure line pressure detection device of claim 2, wherein: the other end of the spring is fixedly connected with the fixed block.
4. The pressure line pressure detection device of claim 3, wherein: the pipeline is provided with a through hole and a connecting pipe positioned outside the pipeline.
5. The pressure line pressure detection device of claim 4, wherein: the through-hole runs through the inside and outside surface of pipeline, the one end of connecting pipe aim at the through-hole and with the outer periphery fixed connection of pipeline.
6. The pressure line pressure detection device of claim 5, wherein: the connecting structure comprises a fixed pipe, and the upper end of the connecting pipe is contained in the fixed pipe and is in threaded connection with the fixed pipe.
7. The pressure line pressure detection device of claim 6, wherein: the lower end of the transparent tube is contained in the fixed tube and is fixedly connected with the inner circumferential surface of the fixed tube.
8. The pressure line pressure detection device of claim 7, wherein: the connecting structure further comprises a sealing ring arranged in the fixed pipe.
9. The pressure pipe pressure detecting apparatus of claim 8, wherein an outer circumferential surface of the sealing ring is fixedly coupled to an inner circumferential surface of the fixed pipe, and a lower surface of the sealing ring abuts against an upper surface of the connection pipe.
10. The pressure line pressure sensing device of claim 9, wherein: the connecting structure further comprises a fixing ring arranged in the fixing pipe, the outer circumferential surface of the fixing ring is fixedly connected with the inner circumferential surface of the fixing pipe, and the lower surface of the fixing ring is fixedly connected with the upper surface of the sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021535327.6U CN212513439U (en) | 2020-07-29 | 2020-07-29 | Pressure pipeline pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021535327.6U CN212513439U (en) | 2020-07-29 | 2020-07-29 | Pressure pipeline pressure detection device |
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| Publication Number | Publication Date |
|---|---|
| CN212513439U true CN212513439U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021535327.6U Active CN212513439U (en) | 2020-07-29 | 2020-07-29 | Pressure pipeline pressure detection device |
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| CN (1) | CN212513439U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074104A (en) * | 2021-03-19 | 2021-07-06 | 西安航空学院 | Pressure-limiting overflow device for hydraulic axial plunger pump |
| CN117968923A (en) * | 2024-04-02 | 2024-05-03 | 西安黑石智能科技有限公司 | Internal pressure detection device for dangerous chemical gas pipeline |
-
2020
- 2020-07-29 CN CN202021535327.6U patent/CN212513439U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074104A (en) * | 2021-03-19 | 2021-07-06 | 西安航空学院 | Pressure-limiting overflow device for hydraulic axial plunger pump |
| CN117968923A (en) * | 2024-04-02 | 2024-05-03 | 西安黑石智能科技有限公司 | Internal pressure detection device for dangerous chemical gas pipeline |
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