CN210625938U - Gas pressure reducer calibrator - Google Patents
Gas pressure reducer calibrator Download PDFInfo
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- CN210625938U CN210625938U CN201921506635.3U CN201921506635U CN210625938U CN 210625938 U CN210625938 U CN 210625938U CN 201921506635 U CN201921506635 U CN 201921506635U CN 210625938 U CN210625938 U CN 210625938U
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Abstract
The utility model discloses a gas pressure reducer check gauge, include: high pressure detection device and low pressure detection device. In this way, the utility model discloses gas pressure reducer check gauge, through the secondary device that steps up, can realize pressurization fast, the step-down operation, overcome and can not return zero completely and the step-down process can not satisfy the verification requirement when carrying out high pressure return inspection with the stop valve, and through high-pressure micromatic setting, low pressure micromatic setting goes up and down to press the pressure boost fast, and is laborsaving, it is steady, regard gas pressure reducer and manometer as a whole, need not dismantle the examination, the efficiency of examination is greatly improved, and can correctly judge the quality of gas pressure reducer performance situation, it is whole small to have, light in weight, the environmental protection is clean, the operation is thus simple, it is convenient to maintain, advantages such as difficult.
Description
Technical Field
The utility model relates to a measurement detects technical field, especially relates to a gas pressure reducer check gauge.
Background
The gas pressure reducer adopts the opening degree of an opening and closing piece in a control valve body to adjust the flow of a medium and reduce the pressure of the medium, and the device is characterized in that under the condition that the inlet pressure is constantly changed, the outlet pressure is kept within a certain range and is a necessary accessory of a pneumatic regulating valve, so that the regulating valve can obtain stable gas source power for adjustment and control; the existing equipment for checking the gas pressure reducer has the possibility of pollution of a checked pressure gauge, potential safety hazards are possibly brought when the pressure reducer is installed on the pressure reducer, and the adjusting mechanism of the pressure reducer can be corroded, so that the adjusting mechanism fails, the pressure reducer needs to be installed for many times, the pressure reducer can not be sealed and leaks gas, if the special pressure reducer for dangerous gas is used, the adjusting mechanism of the pressure reducer is not checked, and once the adjusting mechanism fails or leaks gas, the adjusting mechanism enters a production site and is easy to cause accidents.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a gas pressure reducer check gauge.
In order to solve the technical problem, the utility model discloses a technical scheme be:
provided is a gas pressure reducer prover, including: high pressure detection device and low pressure detection device, high pressure detection device includes high pressure exhaust apparatus, high pressure micromatic setting, standard high-pressure meter, first vent line, high pressure exhaust apparatus's first air inlet and high pressure air feeder are linked together, high pressure exhaust apparatus's first gas outlet with first vent line is linked together, high pressure exhaust apparatus's second gas outlet is linked together with outside atmosphere, first vent line's export sets up interface switch, set gradually on the first vent line high pressure micromatic setting, standard high-pressure meter is linked together with secondary booster unit's pressure introduction joint, secondary booster unit is including setting up hob, ball sleeve, pressure boost chamber, sealing plug, connecting sleeve, pressure introduction joint in casing inside, interface switch communicates with the high pressure portion of the pressure reducer that awaits measuring, the low pressure detection device comprises a low pressure exhaust device, a low pressure fine adjustment device, a standard low pressure meter and a second vent pipeline, wherein the low pressure exhaust device, the low pressure fine adjustment device and the standard low pressure meter are sequentially arranged on the second vent pipeline, a first air inlet of the low pressure exhaust device is communicated with a low pressure part of a pressure reducer to be detected, a first air outlet of the low pressure exhaust device is communicated with the second vent pipeline, and a second air outlet of the low pressure exhaust device is communicated with the outside atmosphere.
In a preferred embodiment of the present invention, the screw rod is disposed along an axial direction of the housing, and one end of the screw rod extends out of a right end portion of the housing.
In a preferred embodiment of the present invention, the screw rod extends out of the right end of the housing to form a handle.
In a preferred embodiment of the present invention, a vent hole is disposed on a side wall of the pressurizing cavity.
In a preferred embodiment of the present invention, the sealing plug is disposed in the pressurizing chamber.
In a preferred embodiment of the present invention, the device further comprises a fixing bottom plate.
The utility model has the advantages that: the utility model provides a gas pressure reducer check gauge, through the secondary device that steps up, can realize pressurizeing fast, the step-down operation, it can not return zero completely and the step-down process can not satisfy the examination requirement to have overcome when going on high pressure return inspection with the stop valve, and through high-pressure micromatic setting, low pressure micromatic setting goes up and down to press the pressure boost fast, and is laborsaving, it is steady, regard gas pressure reducer and manometer as a whole, need not dismantle the examination, the efficiency of examination is greatly improved, and can correctly judge the quality of gas pressure reducer performance situation, it is small to have wholly, light in weight, the environmental protection is clean, the operation is simple, it is convenient to maintain, advantages such.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of the gas pressure reducer calibrator of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention includes:
a gas pressure reducer prover comprising: the high pressure detection device and the low pressure detection device of setting on PMKD 100, the high-pressure meter one end of pressure reducer 1 that awaits measuring with high pressure detection device connects, the low-pressure meter one end of pressure reducer 1 that awaits measuring with low-pressure meter one end is connected, checks up the accuracy degree of the high-pressure meter of pressure reducer 1 that awaits measuring, the measured data of low-pressure meter.
The high-pressure detection device comprises a high-pressure exhaust device 21, a high-pressure fine adjustment device 22, a standard high-pressure gauge 23 and a first ventilation pipeline 24, wherein the high-pressure fine adjustment device 22 and the standard high-pressure gauge 23 are sequentially arranged on the first ventilation pipeline 24, a first air inlet of the high-pressure exhaust device 21 is communicated with a high-pressure air supply device, external high-pressure air enters from the first air inlet of the high-pressure exhaust device 21, a first air outlet of the high-pressure exhaust device 21 is communicated with the first ventilation pipeline 24, the external high-pressure air passes through the first ventilation pipeline 24 to the high-pressure gauge, a second air outlet of the high-pressure exhaust device 21 is communicated with external atmosphere and used for releasing the high-pressure air in the first ventilation pipeline 24 after detection, an outlet of the first ventilation pipeline 24 is provided with an interface switch 26, and the interface switch 26 is communicated with a high-pressure part of the pressure reducer, the interface switch 26 is used for controlling high-pressure gas to enter the high-pressure part of the pressure reducer 1 to be measured, and the standard high-pressure gauge 23 is communicated with a pressure guiding joint of the secondary pressure boosting device 25.
The secondary booster 25 comprises a screw rod, a ball sleeve, a boosting cavity, a sealing plug, a connecting sleeve and a pressure-inducing joint, the casing is cylindrical, the screw rod is arranged in the casing along the axial direction of the casing, one end of the screw rod extends out of the right end part of the casing, an external thread is arranged on the outer wall of the screw rod in the casing, a screw handle is arranged on the screw rod extending out of the right end part of the casing, the ball sleeve is sleeved on the external thread of the screw rod, the boosting cavity is arranged at the left end part in the casing along the axial direction, a vent hole is arranged on the side wall of the boosting cavity close to the right end, the sealing plug is arranged in the boosting cavity, the inside of the connecting sleeve is hollow, the inner diameter of the connecting sleeve is larger than or equal to the outer diameter of the screw rod, the connecting sleeve penetrates through the right end of the boosting cavity along the axial, the pressure guiding joint is arranged at the leftmost end of the outer wall of the shell, and the pressure guiding joint is communicated with the vent hole through a pipeline.
The low pressure detection device comprises a low pressure exhaust device 31, a low pressure fine adjustment device 32, a standard low pressure meter 33 and a second vent pipeline 34, the low pressure exhaust device 31, the low pressure fine adjustment device 32, the standard low pressure meter 33 is sequentially arranged on the second vent pipeline 34, a first air inlet of the low pressure exhaust device 31 is communicated with a low pressure part of the pressure reducer 1 to be detected, a first air outlet of the low pressure exhaust device 31 is communicated with the second vent pipeline 34, and a second air outlet of the low pressure exhaust device 31 is communicated with the outside atmosphere.
The working principle is as follows:
the high-pressure meter and the low-pressure meter of the pressure reducer 1 to be detected are respectively connected with the high-pressure detection device and the low-pressure detection device, external high-pressure gas enters from the high-pressure exhaust device 21, passes through the first ventilation pipeline 24, the interface switch 26 is opened, the high-pressure gas enters the pressure reducer, and the high-pressure meter of the pressure reducer is compared with the standard high-pressure meter 23;
closing the high-pressure exhaust device 21, preventing high-pressure gas from entering the first ventilation pipeline 24, opening the low-pressure exhaust device 31 and the pressure reducer 1 to be tested, enabling the high-pressure gas to enter the second ventilation pipeline 34 after being reduced in pressure by the pressure reducer 1 to be tested, and comparing a low-pressure meter of the pressure reducer with a standard low-pressure meter 33;
in the detection process, the secondary pressure boosting device 25 can be adjusted to adjust the pressure of the high-pressure gas, and the high-pressure fine adjustment device 22 and the low-pressure fine adjustment device 32 can also be adjusted to detect the precision of the pressure reducer 1 to be detected.
The utility model discloses gas pressure reducer check gauge's beneficial effect is: the utility model provides a gas pressure reducer check gauge, through the secondary device that steps up, can realize pressurizeing fast, the step-down operation, it can not return zero completely and the step-down process can not satisfy the examination requirement to have overcome when going on high pressure return inspection with the stop valve, and through high-pressure micromatic setting, low pressure micromatic setting goes up and down to press the pressure boost fast, and is laborsaving, it is steady, regard gas pressure reducer and manometer as a whole, need not dismantle the examination, the efficiency of examination is greatly improved, and can correctly judge the quality of gas pressure reducer performance situation, it is small to have wholly, light in weight, the environmental protection is clean, the operation is simple, it is convenient to maintain, advantages such.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (6)
1. A gas pressure reducer prover comprising: high pressure detection device and low pressure detection device, high pressure detection device includes high pressure exhaust apparatus, high pressure micromatic setting, standard high-pressure meter, first vent line, high pressure exhaust apparatus's first air inlet and high pressure air feeder are linked together, high pressure exhaust apparatus's first gas outlet with first vent line is linked together, high pressure exhaust apparatus's second gas outlet is linked together with outside atmosphere, first vent line's export sets up interface switch, set gradually on the first vent line high pressure micromatic setting, standard high-pressure meter is linked together with secondary booster unit's pressure introduction joint, secondary booster unit is including setting up hob, ball sleeve, pressure boost chamber, sealing plug, connecting sleeve, pressure introduction joint in casing inside, interface switch communicates with the high pressure portion of the pressure reducer that awaits measuring, the low pressure detection device comprises a low pressure exhaust device, a low pressure fine adjustment device, a standard low pressure meter and a second vent pipeline, wherein the low pressure exhaust device, the low pressure fine adjustment device and the standard low pressure meter are sequentially arranged on the second vent pipeline, a first air inlet of the low pressure exhaust device is communicated with a low pressure part of a pressure reducer to be detected, a first air outlet of the low pressure exhaust device is communicated with the second vent pipeline, and a second air outlet of the low pressure exhaust device is communicated with the outside atmosphere.
2. The gas pressure reducer prover of claim 1 wherein the screw stem is disposed axially of the housing and has one end extending out of the right end of the housing.
3. The gas pressure reducer calibrator according to claim 2, wherein the screw rod is provided with a knob extending out of a right end portion of the housing.
4. The gas pressure reducer prover of claim 1 wherein a vent hole is provided in a side wall of the pumping chamber.
5. The gas pressure reducer prover of claim 1 wherein the sealing plug is disposed within a pressure chamber.
6. The gas pressure reducer prover of claim 1 further comprising a fixed base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921506635.3U CN210625938U (en) | 2019-09-11 | 2019-09-11 | Gas pressure reducer calibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921506635.3U CN210625938U (en) | 2019-09-11 | 2019-09-11 | Gas pressure reducer calibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210625938U true CN210625938U (en) | 2020-05-26 |
Family
ID=70749023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921506635.3U Active CN210625938U (en) | 2019-09-11 | 2019-09-11 | Gas pressure reducer calibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210625938U (en) |
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2019
- 2019-09-11 CN CN201921506635.3U patent/CN210625938U/en active Active
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