CN213455975U - Online anti-theft calibration interface of pressure instrument - Google Patents
Online anti-theft calibration interface of pressure instrument Download PDFInfo
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- CN213455975U CN213455975U CN202022522488.8U CN202022522488U CN213455975U CN 213455975 U CN213455975 U CN 213455975U CN 202022522488 U CN202022522488 U CN 202022522488U CN 213455975 U CN213455975 U CN 213455975U
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Abstract
The utility model provides an online theftproof calibration interface of pressure instrument belongs to instrument detection device technical field. The technical scheme is as follows: the utility model provides a pressure instrument online theftproof calibration interface, wherein, including setting up the fixed subassembly at the pressure transmitter output to and set up the pressure sampling subassembly of getting on fixed subassembly the beneficial effects of the utility model are that: the utility model provides a pair of online theftproof calibration interface of pressure instrument simple structure, convenient operation are swift, safe and reliable, have the theftproof function.
Description
Technical Field
The utility model relates to an instrument detection device technical field especially relates to an online theftproof calibration interface of pressure instrument.
Background
The pressure transmitter is subjected to the problems that zero drift, poor linearity and the like can occur to the atmospheric pressure, the altitude and the temperature and humidity of a using place in the using process to influence performance indexes, and even the pressure transmitter is damaged by fatigue and fails in function due to artificial damage. At present, pressure transmitter direct mount is in the casing of product under water, and the installation is dismantled not very conveniently, will realize dismantling its detection to pressure transmitter technical state, need get off it, pressurizes through standard pressure gauge, and the power is to its power supply back, tests.
How to solve the problems in the prior art is a problem faced by the present invention.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, convenient operation are swift, safe and reliable, have the online theftproof calibration interface of pressure instrument of theftproof function.
The utility model discloses a realize through following measure: an online anti-theft calibration interface of a pressure instrument comprises a fixing component arranged at the output end of a pressure transmitter and a pressure sampling component arranged on the fixing component;
the fixing component comprises a one-way valve arranged at the output end of the pressure transmitter and a three-way joint arranged between the pressure transmitter and the one-way valve, and the other interface end of the three-way joint is communicated with the flow pipeline;
the one-way valve is arranged at the interface end of the four-way joint opposite to the interface end of the spiral precession device, and the spiral precession device is matched with the one-way valve.
The utility model is characterized in that the pressure sampling component comprises a four-way joint, a pressure sampling hose arranged at one interface end of the four-way joint is arranged on a pressure sampling valve between the four-way joint and the pressure sampling hose, a pressure relief blowoff valve arranged at one interface end of the four-way joint, and a screw propeller movably connected at one interface end of the four-way joint;
the utility model is characterized in that the pressure sampling valve and the pressure relief blow-down valve are respectively arranged at two opposite interface ends of the four-way joint;
the utility model discloses a concrete characteristics still, the spiral precession ware with the four way connection sets up to dismantling the connection.
The utility model is characterized in that the spiral propeller comprises a spiral part with external thread, a force application part arranged at one end of the spiral part and a top pressing part arranged at the other end of the spiral part; the external thread on the spiral part is matched with the internal thread on the four-way joint interface, and the jacking part is matched with the one-way valve.
The utility model discloses a concrete characteristics still, the four-way connection with the check valve sets up to dismantling the connection.
The utility model discloses a concrete characteristics are in addition, the online theftproof calibration interface of pressure instrument is still including setting up on the flow pipeline, be located the test valve of three way connection interface end is used for the test the seal of check valve.
The utility model has the specific characteristics that the output end of the pressure relief blowoff valve is downward.
The utility model discloses during the in-service use: connecting two opposite interfaces of the three-way joint to a flow pipeline at the output end of the pressure transmitter, and connecting the other interface of the three-way joint to a one-way valve to complete the installation of the fixed component;
one interface end of the four-way joint is sequentially connected with a pressure sampling valve and a pressure sampling hose, the opposite interface end of the four-way joint is connected with a pressure relief blow-down valve, and one of the rest interface ends of the four-way joint is provided with a spiral propeller which is not tightened to finish the assembly of the pressure sampling assembly;
when the pressure transmitter needs to be calibrated or tested on line, the pressure sampling valve and the pressure relief blow-down valve are closed, the interface end of the four-way joint opposite to the spiral propeller is arranged on the one-way valve, a force is applied to the force application part of the spiral propeller to enable the spiral propeller to be screwed in, and the jacking part jacks the valve clack of the one-way valve to enable the one-way valve to be opened; the pressure sampling valve is opened, so that the pressure sampling operation can be carried out on the pressure transmitter, and further the full-range detection and the field working pressure calibration of the pressure transmitter are realized;
after the pressure sampling operation is completed, the pressure relief and blow-down valve is opened after the pressure sampling valve is closed, so that the pressure relief and blow-down can be performed on the pressure sampling assembly, and the safety of field operation is protected;
after the pressure relief and pollution discharge operation is completed, force is applied to the force application part of the spiral propeller to enable the spiral propeller to be screwed out, the jacking part releases the valve clack of the one-way valve to enable the one-way valve to be closed, the interface end of the three-way connector where the one-way valve is located is automatically closed, and the anti-theft function is achieved.
When the pressure sampling valve and the pressure relief blow-down valve are closed and the jacking part of the spiral propeller jacks the valve clack of the one-way valve, the test valve is closed, and then the tightness test can be performed on the one-way valve.
The utility model has the advantages that: the utility model connects the one-way valve at the output end of the pressure transmitter through the three-way, when the pressure sampling operation is not carried out, the normal operation of the pressure transmitter can be realized, and the anti-theft function is realized because the one-way valve is self-closed; the one-way valve and the spiral propeller matched with the one-way valve are arranged, so that the one-way conduction of pressure sampling can be realized, the purpose of pressure sampling can be conveniently and quickly realized, and the purposes of safety and reliability are achieved; the fixing assembly is detachably connected with the pressure sampling assembly, so that the pressure sampling assembly can be portable and movable, and the operation efficiency is improved; the spiral propeller is detachably connected with the four-way joint, so that the operation is convenient and fast, and the replacement is easy; the pressure relief and blow-down valve is arranged, so that pressure relief and blow-down can be performed on the pressure sampling assembly, and the field operation safety is protected. Furthermore, the utility model discloses wholly reach spiral precession ware simple structure, convenient and fast safe and reliable can realize pressure transmitter's online calibration and detection, is suitable for using widely.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the middle spiral propeller of the present invention.
Wherein the reference numerals are: 1. a pressure transmitter; 2. a three-way joint; 3. a one-way valve; 4. a four-way joint; 5. a spiral precession device; 501. a spiral portion; 502. a force application part; 503. a jacking portion; 6. a pressure sampling valve; 7. a pressure sampling hose; 8. a pressure relief blow-down valve; 9. the valve was tested.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Example 1
Referring to fig. 1, the utility model discloses a: an online anti-theft calibration interface of a pressure instrument comprises a fixed component arranged at the output end of a pressure transmitter 1 and a pressure sampling component arranged on the fixed component;
the fixing component comprises a one-way valve 3 arranged at the output end of the pressure transmitter 1 and a three-way joint 2 arranged between the pressure transmitter 1 and the one-way valve 3, and the other interface end of the three-way joint 2 is communicated with the process pipeline 10;
the pressure sampling assembly comprises a four-way connector 4, a pressure sampling hose 7 arranged at one interface end of the four-way connector 4, a pressure sampling valve 6 arranged between the four-way connector 4 and the pressure sampling hose 7, a pressure relief blow-down valve 8 arranged at one interface end of the four-way connector 4, and a spiral propeller 5 movably connected at one interface end of the four-way connector 4;
the pressure sampling valve 6 and the pressure relief blow-down valve 8 are respectively arranged at two opposite connector ends of the four-way connector 4;
the interface end of the four-way joint 4 opposite to the interface end provided with the spiral precession device 5 is provided with a one-way valve 3, and the spiral precession device 5 is matched with the one-way valve 3.
Example 2
The rest of example 1 is the same as example 1, except that: the spiral precession device 5 and the four-way joint 4 are detachably connected.
Example 3
Referring to fig. 1 to 2, the rest of the embodiment 1 is the same as that of embodiment 1, except that: the spiral precession device 5 comprises a spiral part 501 provided with external threads, a force application part 502 arranged at one end of the spiral part 501, and a pressing part 503 arranged at the other end of the spiral part 501; the external thread on the spiral part 501 is matched with the internal thread on the interface of the four-way joint 4, and the jacking part 503 is matched with the one-way valve 3.
Example 4
The rest of example 3 is the same as example 3, except that: the four-way joint 4 and the one-way valve 3 are detachably connected.
Example 5
The rest of example 4 is the same as example 4, except that: the pressure instrument online anti-theft calibration interface also comprises a test valve 9 which is arranged on the flow pipeline 10 and is positioned at the interface end of the three-way joint 2.
Example 6
The rest of example 1 is the same as example 1, except that: the output end of the pressure relief blow-down valve 8 faces downwards.
The utility model discloses during the in-service use: connecting two opposite interfaces of the three-way joint 2 to a flow pipeline 10 at the output end of the pressure transmitter 1, and connecting the other interface of the three-way joint 2 to the check valve 3 to complete the installation of the fixed component;
one interface end of the four-way joint 4 is sequentially connected with a pressure sampling valve 6 and a pressure sampling hose 7, the opposite interface end of the four-way joint 4 is connected with a pressure relief blow-down valve 8, one of the rest interface ends of the four-way joint 4 is provided with a spiral propeller 5, and the assembly of the pressure sampling assembly is completed without tightening;
when the pressure transmitter 1 needs to be calibrated or tested on line, the pressure sampling valve 6 and the pressure relief blow-down valve 8 are closed, the interface end of the four-way joint 4 opposite to the spiral screw 5 is installed on the one-way valve 3, a force is applied to the force application part 502 of the spiral screw 5 to enable the force application part to be screwed in, and the jacking part 503 jacks the valve clack of the one-way valve 3 to enable the one-way valve 3 to be opened; the pressure sampling valve 6 is opened to perform pressure sampling operation on the pressure transmitter 1, so that full-range detection and field working pressure calibration on the pressure transmitter 1 are realized;
after the pressure sampling operation is completed, the pressure relief and blow-down valve 8 is opened after the pressure sampling valve 6 is closed, so that the pressure relief and blow-down can be performed on the pressure sampling assembly, and the safety of field operation is protected;
after the pressure relief and pollution discharge operation is completed, a force is applied to the force application part 502 of the spiral propeller 5 to enable the spiral propeller to be screwed out, the jacking part 503 releases the valve clack of the one-way valve 3 to enable the one-way valve 3 to be closed, and the interface end of the three-way joint 2 where the one-way valve 3 is located is automatically closed, so that the anti-theft function is achieved.
When the pressure sampling valve 6 and the pressure relief blow-down valve 8 are closed and the jacking portion 503 of the spiral propeller 5 jacks the valve clack of the check valve 3, the test valve 9 is closed, and then the tightness test can be performed on the check valve 3.
The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.
Claims (7)
1. An online anti-theft calibration interface of a pressure instrument is characterized by comprising a fixing component arranged at the output end of a pressure transmitter (1) and a pressure sampling component arranged on the fixing component;
the fixing assembly comprises a one-way valve (3) arranged at the output end of the pressure transmitter (1) and a three-way joint (2) arranged between the pressure transmitter (1) and the one-way valve (3), and the other interface end of the three-way joint (2) is communicated with a flow pipeline (10);
the pressure sampling assembly comprises a four-way connector (4), a pressure sampling hose (7) arranged at one connector end of the four-way connector (4), a pressure sampling valve (6) arranged between the four-way connector (4) and the pressure sampling hose (7), a pressure relief blow-down valve (8) arranged at one connector end of the four-way connector (4), and a spiral propeller (5) movably connected to one connector end of the four-way connector (4);
the interface end of the four-way joint (4) opposite to the interface end provided with the spiral precession device (5) is provided with the one-way valve (3), and the spiral precession device (5) is matched with the one-way valve (3).
2. The online anti-theft calibration interface for pressure meters according to claim 1, characterized in that the pressure sampling valve (6) and the pressure relief blowdown valve (8) are respectively arranged at two opposite interface ends of the four-way joint (4).
3. The online anti-theft calibration interface for pressure meters according to claim 1 or 2, characterized in that the screw-in rotator (5) and the four-way joint (4) are arranged in a detachable connection.
4. The online anti-theft calibration interface for pressure meters according to claim 3, characterized in that the screw propeller (5) comprises a screw part (501) provided with an external thread, a force application part (502) arranged at one end of the screw part (501), and a pressing part (503) arranged at the other end of the screw part (501).
5. The interface of claim 3, wherein the four-way connector (4) is detachably connected to the check valve (3).
6. The pressure instrument online anti-theft calibration interface according to claim 3, characterized in that it further comprises a test valve (9) disposed on the process line (10) at the interface end of the three-way joint (2).
7. The interface of claim 3, wherein the output of the pressure relief blowoff valve (8) is downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022522488.8U CN213455975U (en) | 2020-11-04 | 2020-11-04 | Online anti-theft calibration interface of pressure instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022522488.8U CN213455975U (en) | 2020-11-04 | 2020-11-04 | Online anti-theft calibration interface of pressure instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213455975U true CN213455975U (en) | 2021-06-15 |
Family
ID=76298684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022522488.8U Active CN213455975U (en) | 2020-11-04 | 2020-11-04 | Online anti-theft calibration interface of pressure instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213455975U (en) |
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2020
- 2020-11-04 CN CN202022522488.8U patent/CN213455975U/en active Active
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