CN208476456U - Pressure gauge connecting device and pressure measuring system - Google Patents
Pressure gauge connecting device and pressure measuring system Download PDFInfo
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- CN208476456U CN208476456U CN201821161492.2U CN201821161492U CN208476456U CN 208476456 U CN208476456 U CN 208476456U CN 201821161492 U CN201821161492 U CN 201821161492U CN 208476456 U CN208476456 U CN 208476456U
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- cylinder body
- pressure gauge
- guide pipe
- pressure
- port
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- 230000002528 anti-freeze Effects 0.000 claims description 16
- 239000010721 machine oil Substances 0.000 claims description 3
- 238000007710 freezing Methods 0.000 abstract description 8
- 238000009530 blood pressure measurement Methods 0.000 abstract description 3
- 239000002609 medium Substances 0.000 abstract 2
- 239000012595 freezing medium Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000009172 bursting Effects 0.000 description 7
- 230000008014 freezing Effects 0.000 description 7
- 210000002445 nipple Anatomy 0.000 description 6
- 230000005494 condensation Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 108010053481 Antifreeze Proteins Proteins 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides a manometer connecting device and pressure measurement system belongs to the pressure measurement field. The device comprises: the anti-freezing cylinder comprises a control valve, a guide pipe, a cylinder body and a piston, wherein one end of the control valve is connected with a first port of the guide pipe, the other end of the control valve is used for connecting a pipeline, a second port of the guide pipe is connected with one end of the cylinder body, the other end of the cylinder body is used for connecting a pressure gauge, the piston is arranged in the cylinder body and can move in the cylinder body, and an anti-freezing medium is arranged in the cylinder body. The piston is pushed by the pressure of the measured medium in the guide pipe, the piston pushes the antifreezing medium to enter the pressure gauge, the pressure gauge cannot be frost-cracked under the condition of low external environment temperature, the service life of the pressure gauge is prolonged, the frequency of replacing the pressure gauge by an operator is reduced, and the accuracy of pressure data obtained by measuring the pressure gauge is ensured.
Description
Technical field
The utility model belongs to field of pressure measurement, in particular to a kind of pressure gauge operating member.
Background technique
Pressure gauge is the instrument for measuring and indicating nonambient pressure, is that operator accurately grasps operated equipment or pipeline
The important tool of internal pressure.In heat distribution pipe network, oil gas transmission, the application in the fields such as gas supply, the oil circuit of vehicle or gas circuit of supplying water
It is very universal.
In the related technology, when being measured by pressure of the pressure gauge to the medium in pipeline, can by pressure gauge with it is short
One end of section connects, and one end of the other end of pipe nipple and control valve is connected, and the other end of control valve is connect with pipeline.
In the lower situation of ambient temperature, pressure gauge may be by when measuring the pressure of the higher medium of condensation point
Bursting by freezing leaks.
Summary of the invention
The utility model provides a kind of gage pressure table attachment device and pressure-measuring system, can solve due to ring
The problem of pressure gauge caused by border temperature is lower is leaked by bursting by freezing and measured medium.The technical solution is as follows:
On the one hand, a kind of pressure gauge attachment device is provided, described device includes: control valve, guide pipe, cylinder body and work
Plug；
One end of the control valve is connect with the first port of the guide pipe, and the other end of the control valve is for connecting
The pipeline of pressure to be measured；
The second port of the guide pipe is connect with one end of the cylinder body, and the guide pipe is connected to the cylinder body,
The other end of the cylinder body is for connecting pressure gauge；
The piston is arranged in the cylinder body, can move, be additionally provided in the cylinder body antifreeze in the cylinder body
Medium, and the antifreeze medium is between the piston and the other end of the cylinder body.
Optionally, device further include: blow valve.The third port of one end of the blow valve and the guide pipe connects
It connects, the other end of the blow valve is for connecting dielectric film filter container.
Optionally, described device further include: ozzle.The other end of the blow valve is connect with one end of the ozzle, institute
The other end of ozzle is stated for connecting the dielectric film filter container.
Optionally, the second port of guide pipe is threaded hole, is provided with screw thread on the outside of one end of the cylinder body, described to lead
One end of second port and the cylinder body to pipe is connected through a screw thread.
Optionally, one end of the cylinder body partially protrudes into the guide pipe.
Optionally, guide pipe and the cylinder body are hollow column structure, and the axis of the guide pipe is perpendicular to institute
State the axis of cylinder body.
Optionally, the antifreeze medium is machine oil.
Optionally, one end of control valve and the first port of the guide pipe are attached by welding；The of guide pipe
Three ports and one end of the blow valve are attached by welding.
On the other hand, a kind of pressure-measuring system is provided, the system comprises: pipeline, pressure gauge and such as above-mentioned side
Pressure gauge attachment device described in face, the pressure gauge are connect by the pressure gauge attachment device with the pipeline.
Optionally, the system also includes dielectric film filter containers.The other end of the blow valve and the dielectric film filter hold
Device connection.
The beneficial effect of technical solution provided by the embodiment of the utility model includes at least:
The utility model embodiment provides a kind of pressure gauge attachment device and pressure-measuring system, and pressure gauge is connected and is filled
It sets and is applied in pressure-measuring system, piston is pushed by the pressure of measured medium in guide pipe, piston pushes anti-in cylinder body
Freeze medium and enter pressure gauge, measured medium is avoided to enter pressure gauge.Therefore, even if in the lower situation of ambient temperature,
Pressure gauge will not be extended the service life of pressure gauge, be reduced when measuring the pressure of the higher medium of condensation point by bursting by freezing
Operator replaces the number of pressure gauge, ensure that the accuracy for the pressure data that gauge measurement obtains.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of pressure gauge attachment device provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of another pressure gauge attachment device provided by the embodiment of the utility model；
Fig. 3 is a kind of structural schematic diagram of pressure-measuring system provided by the embodiment of the utility model.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with attached drawing to of the invention real
The mode of applying is described in further detail.
The utility model embodiment provides a kind of pressure gauge attachment device, as shown in Figure 1, the device 00 may include:
Control valve 001, guide pipe 002, cylinder body 003 and piston 004.
Wherein, one end of control valve 001 is connect with the first port of guide pipe 002, and the other end of control valve 001 is for connecting
The pipeline 101 of pressure is surveyed in reception.The second port of guide pipe 002 is connect with one end of cylinder body 003, and guide pipe 002 and cylinder body 003
Connection, the other end of cylinder body 003 is used to connect pressure gauge 103, such as can connect the pressure measuring tie-in of pressure gauge 103.Piston 004
It is arranged in cylinder body 003, can be moved in cylinder body 003, antifreeze medium is additionally provided in cylinder body 003, and antifreeze medium is located at
Between piston 004 and the other end of cylinder body 003.
With reference to Fig. 2 as can be seen that the measured medium in the pipeline 101 of pressure to be measured can flow into after the unlatching of control valve 001
In guide pipe 002, piston 004 can move under the action of the pressure of the measured medium in cylinder body 003, thus by cylinder body 003
Interior antifreeze medium is pushed into pressure gauge 103, can be to avoid pressure gauge 103 by bursting by freezing.
In conclusion the utility model embodiment provides a kind of pressure gauge attachment device, the pressure gauge attachment device packet
Control valve, guide pipe, cylinder body and piston are included, which is connected to cylinder body, and piston setting is also set up in cylinder body, and in cylinder body
There is antifreeze medium.After the control valve is opened, the measured medium in the pipeline of pressure to be measured can be flowed into guide pipe, and piston is at this
It can be moved in cylinder body under the action of the pressure of measured medium, so that the intracorporal antifreeze medium of cylinder is pushed into pressure gauge, and
And it can be to avoid in measured medium feed pressure table.Therefore, by attachment device provided by the embodiment of the utility model, even if
In the lower situation of ambient temperature, pressure gauge will not be extended when measuring the pressure of the higher medium of condensation point by bursting by freezing
The service life of pressure gauge, and avoid and endanger caused by measured medium leakage.
Fig. 2 is the structural schematic diagram of another pressure gauge attachment device provided by the embodiment of the utility model.Such as Fig. 2 institute
Show, which can also include: blow valve 005.One end of blow valve 005 is connect with the third port of guide pipe 002, blow valve
005 other end is for connecting 105 (not shown in figure 1) of dielectric film filter container.It that is to say, which includes three ends
Mouthful, which can be tee pipe fitting.
In the related technology, it is directly connected to since pressure gauge usually passes through pipe nipple and control valve with pipeline, works as pressure gauge
When failure needs to change, after operator closes control valve, also need to unload pressure gauge by spanner.And in the process,
After closing control valve, remnants have measured medium in pipe nipple, and the measured medium of the remnants can leak out, to human body and environment
It causes damages.
And in the utility model embodiment, when the failure of pressure gauge 103 needs to change, operator can close control
Valve 001 processed, and blow valve 005 is opened, remaining measured medium can be expelled to medium by blow valve 005 in guide pipe 002
Returnable 105, it is thus achieved that pressure gauge replace when residual dielectric hermetic reclaim, avoid harm to the human body, to ring
Border pollutes.
Optionally, as shown in Fig. 2, the device can also include: ozzle 006, the other end of blow valve 005 can be with ozzle
006 one end connection, the other end of ozzle 006 is for connecting 105 (not shown in figure 1) of dielectric film filter container.It is vented when passing through
When residual dielectric is discharged valve 005, ozzle 006 can be connect with blow valve 005, in order to avoid in blow valve 005 and dielectric film filter
Residual dielectric leakage occurs between 105 (not shown in figure 1) of container.
Optionally, the second port of guide pipe 002 can be threaded hole, can be set on the outside of one end of cylinder body 003
Screw thread, the second port of guide pipe 002 can be connected through a screw thread with one end of cylinder body 003.
With reference to Fig. 2 as can be seen that one end of the cylinder body 003, partially protrudes into guide pipe 002, guide pipe 002 is realized with this
With the close connection of cylinder body 003, the stability of the pressure gauge attachment device ensure that.
In the utility model embodiment, as shown in Fig. 2, guide pipe 002 and cylinder body 003 can be hollow column knot
Structure, and the axis m1 of guide pipe 002 is perpendicular to the axis m2 of cylinder body 003.That is the first port and third port of the guide pipe 002
Axis, can be conllinear with the axis m1 of the guide pipe 002；And the axis of the second port of the guide pipe 002 can be with this
The axis m1 of guide pipe 002 is vertical.
In the utility model embodiment, one end of control valve 001 and the first port of guide pipe 002 can pass through welding
Connection.The third port of guide pipe 002 and one end of blow valve 005 can also pass through welded connecting.
Optionally, one end of control valve 001 is also possible to be threadedly coupled with the first port of guide pipe 002, guide pipe 002
Third port be also possible to be threadedly coupled with one end of blow valve 005.The utility model embodiment is to guide pipe 002 and control
Type of attachment between valve 001 and guide pipe 002 and the 005 of blow valve without limitation, as long as guarantee various components between connect
The compactness connect.
Optionally, in the utility model embodiment, the antifreeze medium being arranged in cylinder body 003 can be machine oil (i.e. engine
Lubricant).It is of course also possible to be other antifreezing agents, such as it can be calcium chloride, methanol.The utility model embodiment is to anti-
Freeze the type of medium without limitation.
In conclusion the utility model embodiment provides a kind of pressure gauge attachment device, the pressure gauge attachment device packet
Control valve, guide pipe, cylinder body and piston are included, which is connected to cylinder body, and piston setting is also set up in cylinder body, and in cylinder body
There is antifreeze medium.After the control valve is opened, the measured medium in the pipeline of pressure to be measured can be flowed into guide pipe, and piston is at this
It can be moved in cylinder body under the action of the pressure of measured medium, so that the intracorporal antifreeze medium of cylinder is pushed into pressure gauge, and
And it can be to avoid in measured medium feed pressure table.Therefore, by attachment device provided by the embodiment of the utility model, even if
In the lower situation of ambient temperature, pressure gauge will not be extended when measuring the pressure of the higher medium of condensation point by bursting by freezing
The service life of pressure gauge, and avoid and endanger caused by measured medium leakage.
It further,, can when abnormal need replacing occurs in pressure gauge since the device can also include blow valve
To close control valve, and the blow valve is opened, the residual dielectric in guide pipe is discharged into dielectric film filter container by ozzle,
It avoids caused by measured medium leaks and endangers.
Fig. 3 is a kind of structural schematic diagram of pressure-measuring system provided by the embodiment of the utility model.With reference to Fig. 3, this is
System may include: pipeline 101, pressure gauge 103 and pressure gauge attachment device 00.Pressure gauge 103 passes through pressure gauge attachment device
00 connect with pipeline 101.
Optionally, with reference to Fig. 3, which can also include: dielectric film filter container 105, and the other end of blow valve 005 can be with
It is connect with the dielectric film filter container 105.When the failure of pressure gauge 103 needs replacing, operator can close pressure gauge
Control valve 001 in attachment device 00 opens the blow valve 005 in pressure gauge attachment device 00, will be in press-in connection device 00
Guide pipe 002 in residual dielectric be discharged into dielectric film filter container 105.
Further, as shown in figure 3, the system can also include: multiple pipe nipples 102 and hose 104.Pipeline 101 can be with
It is connect by a pipe nipple 102 with the other end of the control valve 001 in pressure gauge attachment device 00.Pressure gauge 103 can also lead to
A pipe nipple 102 is crossed to connect with the other end of the cylinder body 003 in pressure gauge attachment device 00.
One end of hose 104 can be connect with the other end of blow valve 005, such as can pass through ozzle 006 and blow valve
005 other end connection.The other end of hose 104 can be connect with dielectric film filter container 105.
In conclusion the utility model embodiment provides a kind of pressure-measuring system.Pressure gauge connection in the system
Device pushes piston by the pressure of measured medium in guide pipe, and piston pushes the antifreeze medium in cylinder body to enter pressure gauge, keeps away
Exempt from measured medium and enter pressure gauge, therefore, even if pressure gauge is higher in measurement condensation point in the lower situation of ambient temperature
Medium pressure when will not be ensure that the accuracy for the pressure data that gauge measurement obtains by bursting by freezing, be extended pressure
The service life of table reduces the number that operator replaces pressure gauge.Meanwhile when replacing pressure gauge, closing can be passed through
Control valve opens blow valve, the residual dielectric in guide pipe is discharged into dielectric film filter container, the close of residual dielectric is realized
Recycling is closed, security risk caused by can leaking to avoid measured medium.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of pressure gauge attachment device, which is characterized in that described device includes: control valve, guide pipe, cylinder body and piston；
One end of the control valve is connect with the first port of the guide pipe, and the other end of the control valve is to be measured for connecting
The pipeline of pressure；
The second port of the guide pipe is connect with one end of the cylinder body, and the guide pipe is connected to the cylinder body, described
The other end of cylinder body is for connecting pressure gauge；
The piston is arranged in the cylinder body, can move in the cylinder body, antifreeze medium is additionally provided in the cylinder body,
And the antifreeze medium is between the piston and the other end of the cylinder body.
2. the apparatus according to claim 1, which is characterized in that described device further include: blow valve；
One end of the blow valve is connect with the third port of the guide pipe, and the other end of the blow valve is for connecting medium
Returnable.
3. the apparatus of claim 2, which is characterized in that described device further include: ozzle, the blow valve it is another
End is connect with one end of the ozzle, and the other end of the ozzle is for connecting the dielectric film filter container.
4. the apparatus according to claim 1, which is characterized in that the second port of the guide pipe is threaded hole, the cylinder
Screw thread is provided on the outside of one end of body, the second port of the guide pipe and one end of the cylinder body are connected through a screw thread.
5. device according to claim 4, which is characterized in that one end of the cylinder body partially protrudes into the guide pipe.
6. device according to claim 2 or 3, which is characterized in that
The guide pipe and the cylinder body are hollow column structure, and the axis of the guide pipe is perpendicular to the cylinder body
Axis.
7. device according to any one of claims 1 to 5, which is characterized in that
The antifreeze medium is machine oil.
8. the apparatus of claim 2, which is characterized in that
The first port of one end of the control valve and the guide pipe is welded；
It welds one end of the third port of the guide pipe and the blow valve.
9. a kind of pressure-measuring system, which is characterized in that the system comprises: pipeline, pressure gauge and such as claim 1 to 8
Any pressure gauge attachment device；
The pressure gauge is connect by the pressure gauge attachment device with the pipeline.
10. system according to claim 9, which is characterized in that the pressure gauge attachment device includes: blow valve, described
One end of blow valve is connect with the third port of guide pipe in the pressure gauge attachment device；
The system also includes: dielectric film filter container；
The other end of the blow valve is connect with the dielectric film filter container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821161492.2U CN208476456U (en) | 2018-07-20 | 2018-07-20 | Pressure gauge connecting device and pressure measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821161492.2U CN208476456U (en) | 2018-07-20 | 2018-07-20 | Pressure gauge connecting device and pressure measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208476456U true CN208476456U (en) | 2019-02-05 |
Family
ID=65207933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821161492.2U Active CN208476456U (en) | 2018-07-20 | 2018-07-20 | Pressure gauge connecting device and pressure measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208476456U (en) |
-
2018
- 2018-07-20 CN CN201821161492.2U patent/CN208476456U/en active Active
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| GR01 | Patent grant |