CN214334131U - Pressure gauge calibrating device - Google Patents
Pressure gauge calibrating device Download PDFInfo
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- CN214334131U CN214334131U CN202120637609.5U CN202120637609U CN214334131U CN 214334131 U CN214334131 U CN 214334131U CN 202120637609 U CN202120637609 U CN 202120637609U CN 214334131 U CN214334131 U CN 214334131U
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- air
- pressure
- outlet nozzle
- pressure gauge
- air outlet
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- 238000003825 pressing Methods 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a pressure gauge calibrating device, which relates to the technical field of pressure gauge calibration, and comprises a pressure tank, a plurality of mounting seats are arranged on a main body to generate air pressure, a standard instrument is arranged to be compared with the pressure gauge to be detected, a second valve is arranged to avoid air pressure leakage of other mounting seats, an air leakage device is arranged, an air outlet nozzle is arranged in the air leakage device to be communicated with an air duct, an outlet is arranged to discharge air pressure, a spring and a pressing block are arranged to ensure that the air pressure can not leak from the air outlet nozzle under normal conditions, and a certain safety protection function is achieved, a sealing gasket is arranged on the air outlet nozzle to ensure that the sealing performance is better, the pressing block can be lifted up to discharge certain air pressure by arranging a pressing rod and a lug to carry out multiple tests, thereby reducing errors and improving the accuracy, has good popularization and use value.
Description
Technical Field
The utility model relates to a manometer examination technical field, concretely relates to manometer calibrating installation equipment.
Background
At present, the pressure gauge is an instrument which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the environmental pressure, the application is very common, the pressure gauge almost extends to all the fields of industrial processes and scientific researches, and is visible everywhere in the fields of heat pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance and repair shops and the like, and particularly in the industrial process control and technical measurement process, the mechanical pressure gauge is more and more widely applied due to the characteristics of high mechanical strength, convenient production and the like of the elastic sensitive element of the mechanical pressure gauge. When examining the manometer, need input certain high-pressure gas in toward calibrating installation, compare through standard manometer and the manometer of waiting to examine and determine, data acquisition to whether the manometer that reachs to wait to examine and determine has the error, current manometer examination technique can only carry out once examination, and this is unfavorable for the collection of data, and then can cause the calibration deviation, and it does not possess certain security.
Disclosure of Invention
The utility model provides an above-mentioned problem, provide a manometer calibrating installation, solved not accurate, unsafe problem.
The utility model adopts the technical proposal that: the device comprises a main body, a pressure tank, an air guide pipe, a first valve, a standard instrument, a mounting seat, a second valve, a pressure gauge to be detected and an air leakage device;
the pressure gauge comprises a main body, and is characterized in that a pressure tank is arranged at the bottom of the main body, an air guide tube is connected to the upper end of the pressure tank, a first valve is arranged at the joint of the pressure tank and the air guide tube, a standard instrument is arranged at the top of the main body, an air release device is arranged on the left side of the standard instrument, a plurality of mounting seats are arranged on the left side of the air release device, second valves are arranged in the mounting seats, and pressure gauges to be detected are detachably mounted on the mounting seats;
the mounting seat, the standard instrument and the air leakage device are communicated with the air guide tube through a conduit.
Further, the air leakage device comprises an air outlet nozzle, an outlet, a pressing block, a spring, a shell, a pressing rod and a bump; the shell is connected with the main part, shell inner chamber bottom is equipped with the gas outlet nozzle, the gas outlet nozzle is through connection with the air duct, gas outlet nozzle one side is equipped with the export, the gas outlet nozzle opposite side is equipped with the lug, the lug rear end is connected with the depression bar, the depression bar rotates through pivot and shell to be connected, the gas outlet nozzle upper end is equipped with the briquetting, the briquetting upper end is equipped with the spring, spring one end is connected with the shell top, and the other end is connected with the briquetting.
Furthermore, the vertical section of the air outlet nozzle is in a trapezoidal shape.
Furthermore, the bottom of the pressing block is provided with a circular groove matched with the side wall of the air outlet nozzle, the circular groove is of an inclined structure, and the circular groove is detachably connected with the air outlet nozzle.
Furthermore, a sealing gasket is arranged on the air outlet nozzle.
Further, the spring is in a compressed state.
The utility model has the advantages that:
the utility model provides a pressure gauge calibrating device, which is characterized in that a pressure tank is arranged to generate air pressure, a plurality of mounting seats are arranged on a main body to detect a plurality of pressure gauges, a standard gauge is arranged to be compared with the pressure gauge to be detected, a second valve is arranged to avoid air pressure leakage of other mounting seats, an air leakage device is arranged, the air discharging nozzle is arranged in the air discharging device and is communicated with the air guide pipe, the outlet is arranged to discharge air pressure, the spring and the pressing block are arranged to ensure that the air pressure can not be discharged from the air discharging nozzle under normal conditions, and a certain safety protection effect is achieved, set up sealed the pad and make its leakproofness better on the air outlet nozzle, set up depression bar and lug and can lift up the certain atmospheric pressure of discharge with the briquetting, carry out the multiple test, reduce the error, improve the accuracy, the utility model discloses simple structure, measurement accuracy is high, has fine security, has fine using value widely.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the air release device of the present invention;
FIG. 3 is a schematic view of the installation of the air outlet nozzle of the present invention;
fig. 4 is a schematic view of the installation of the gasket of the present invention.
Reference numerals:
the pressure gauge comprises a main body 1, a pressure tank 2, an air guide pipe 3, a first valve 4, a standard instrument 5, a mounting seat 6, a second valve 7, a pressure gauge 8 to be detected, an air release device 9, an air outlet nozzle 901, an outlet 902, a pressing block 903, a spring 904, a shell 905, a pressing rod 906, a sealing gasket 9011, a circular groove 9031 and a convex 9061.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1 to 4, a pressure gauge calibrating device comprises a main body 1, a pressure tank 2, an air duct 3, a first valve 4, a standard instrument 5, a mounting seat 6, a second valve 7, a pressure gauge 8 to be detected and an air leakage device 9;
the pressure tank 2 is arranged at the bottom of the main body 1, the main body 1 is used for supporting the whole device, the pressure tank 2 is used for generating air pressure, the upper end of the pressure tank 2 is connected with the air guide pipe 3, a first valve 4 is arranged at the joint of the pressure tank 2 and the air guide pipe 3, the air guide pipe 3 is used for guiding air, the first valve 4 controls the opening and closing of the pressure tank 2, the top of the main body 1 is provided with a standard instrument 5 which is used as standard air pressure, the left side of the standard instrument 5 is provided with an air leakage device 9 which is used for air leakage and pressure reduction, the left side of the air leakage device 9 is provided with a plurality of mounting seats 6, second valves 7 are arranged in the mounting seats 6, the pressure gauge 8 to be detected is detachably mounted on the mounting seats 6, the mounting seats 6 are used for mounting the pressure gauge 8 to be detected, and the second valves 7 control the opening and closing of the mounting seats 6;
the mounting seat 6, the standard instrument 5 and the air leakage device 9 are communicated with the air duct 3 through a conduit.
The air release device 9 comprises an air outlet nozzle 901, an outlet 902, a pressing block 903, a spring 904, a shell 905, a pressing rod 906 and a bump 9061; the shell 905 is connected with the main body 1, the shell 905 is used for supporting the whole device that loses heart, the inner cavity bottom of the shell 905 is provided with an air outlet nozzle 901, the air outlet nozzle 901 is communicated with the air duct 3, the air outlet nozzle 901 is used for discharging air pressure, one side of the air outlet nozzle 901 is provided with an outlet 902, the discharged air pressure is discharged from the outlet 902, the other side of the air outlet nozzle 901 is provided with a bump 9061, the rear end of the bump 9061 is connected with a pressing rod 906, the pressing rod 906 is rotatably connected with the shell 905 through a rotating shaft, a pressing block 903 is arranged at the upper end of the air outlet nozzle 901, a spring 904 is arranged at the upper end of the pressing block 903, one end of the spring 904 is connected with the top of the shell 905, the other end of the spring 903 is connected with the pressing block 903, the spring 904 and the pressing block 903 are used for sealing the air outlet nozzle 901, the pressing rod 906 and the bump 9061 are used for lifting the pressing block 903 and playing a role in losing heart.
The vertical section of the air outlet nozzle 901 is in a trapezoidal shape, so that the air outlet nozzle has better stability.
The bottom of the pressing block 903 is provided with a circular groove 9031 matched with the side wall of the air outlet nozzle 901, the circular groove 9031 is of an inclined structure, and the circular groove 9031 is detachably connected with the air outlet nozzle 901 to achieve a better sealing effect.
The air outlet nozzle 901 is provided with a sealing gasket 9011 for sealing.
The spring 904 is in a compressed state, compressing the press block 903 to prevent the air pressure from easily leaking.
The utility model discloses a use method: firstly, a pressure gauge 8 to be detected is installed on an installation seat 6, a first valve 4 is opened to enable a pressure tank 2 to put certain air pressure into a guide pipe 3, then the first valve 4 is closed, a second valve 7 on the installation seat 6 where the pressure gauge 8 to be detected is located is opened, the air pressure enables the pressure gauge 8 to be detected and a standard instrument 5 to have certain data, the two data can be recorded for comparison, a pressing rod 906 is pressed, a bump 9061 lifts a pressing block 903 to enable an air outlet nozzle 901 to be separated from a circular groove 9031, a small amount of air pressure is leaked through an outlet 902, then the pressing rod 906 is released, the air outlet nozzle 901 returns to the circular groove 9031 to be in a closed state, at the moment, the pressure gauge 8 to be detected and the standard instrument 5 have different display coefficients, the reciprocating is carried out for several times, the data of each time are recorded, finally, the accurate error value can be obtained, after the recording is finished, the first valve 4 is ensured to be closed, the pressing rod 906 is pressed to discharge the residual air pressure, the pressure gauge 8 to be detected is detached from the mounting seat 6, and the second valve 7 is closed; if the first valve 4 is damaged, the air pressure in the air duct 3 is greater than the maximum value of the standard instrument 5, and at the moment, the pressure block 903 can be lifted up by the air pressure, and certain air pressure is discharged, so that the protection effect is achieved.
The utility model provides a pressure gauge calibrating device, which is characterized in that a pressure tank is arranged to generate air pressure, a plurality of mounting seats are arranged on a main body to detect a plurality of pressure gauges, a standard gauge is arranged to be compared with the pressure gauge to be detected, a second valve is arranged to avoid air pressure leakage of other mounting seats, an air leakage device is arranged, the air discharging nozzle is arranged in the air discharging device and is communicated with the air guide pipe, the outlet is arranged to discharge air pressure, the spring and the pressing block are arranged to ensure that the air pressure can not be discharged from the air discharging nozzle under normal conditions, and a certain safety protection effect is achieved, set up sealed the pad and make its leakproofness better on the air outlet nozzle, set up depression bar and lug and can lift up the certain atmospheric pressure of discharge with the briquetting, carry out the multiple test, reduce the error, improve the accuracy, the utility model discloses simple structure, measurement accuracy is high, has fine security, has fine using value widely.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. A pressure gauge calibrating device is characterized by comprising a main body (1), a pressure tank (2), an air guide pipe (3), a first valve (4), a standard instrument (5), a mounting seat (6), a second valve (7), a pressure gauge to be detected (8) and an air leakage device (9);
the pressure tank (2) is arranged at the bottom of the main body (1), the upper end of the pressure tank (2) is connected with the air guide tube (3), a first valve (4) is arranged at the joint of the pressure tank (2) and the air guide tube (3), the top of the main body (1) is provided with a standard instrument (5), the left side of the standard instrument (5) is provided with an air leakage device (9), the left side of the air leakage device (9) is provided with a plurality of mounting seats (6), a second valve (7) is arranged in each mounting seat (6), and a pressure gauge (8) to be detected is detachably mounted on each mounting seat (6);
the mounting seat (6), the standard instrument (5) and the air leakage device (9) are communicated with the air guide pipe (3) through a guide pipe.
2. The calibrating device for the pressure gauge according to claim 1, wherein the air leakage device (9) comprises an air outlet nozzle (901), an outlet (902), a pressing block (903), a spring (904), a shell (905), a pressing rod (906) and a bump (9061); the shell (905) is connected with the main body (1), the bottom of the inner cavity of the shell (905) is provided with an air outlet nozzle (901), the air outlet nozzle (901) is communicated with the air guide pipe (3), one side of the air outlet nozzle (901) is provided with an outlet (902), the other side of the air outlet nozzle (901) is provided with a convex block (9061), the rear end of the convex block (9061) is connected with a pressure rod (906), the pressure rod (906) is rotatably connected with the shell (905) through a rotating shaft, the upper end of the air outlet nozzle (901) is provided with a pressure block (903), and the upper end of the pressure block (903) is provided with a spring (904); one end of the spring (904) is connected with the top of the shell (905), and the other end of the spring is connected with the pressing block (903).
3. The calibrating device for the pressure gauge according to claim 2, wherein the vertical section of the air outlet nozzle (901) is trapezoidal.
4. The calibrating device for the pressure gauge according to claim 3, wherein a circular groove (9031) matched with the side wall of the air outlet nozzle (901) is formed in the bottom of the pressing block (903), the circular groove (9031) is of an inclined structure, and the circular groove (9031) is detachably connected with the air outlet nozzle (901).
5. The calibrating device for the pressure gauge according to claim 4, wherein the air outlet nozzle (901) is provided with a sealing gasket (9011).
6. A pressure gauge calibrating device according to claim 2, wherein the spring (904) is in a compressed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120637609.5U CN214334131U (en) | 2021-03-30 | 2021-03-30 | Pressure gauge calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120637609.5U CN214334131U (en) | 2021-03-30 | 2021-03-30 | Pressure gauge calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214334131U true CN214334131U (en) | 2021-10-01 |
Family
ID=77889782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120637609.5U Expired - Fee Related CN214334131U (en) | 2021-03-30 | 2021-03-30 | Pressure gauge calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214334131U (en) |
-
2021
- 2021-03-30 CN CN202120637609.5U patent/CN214334131U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211001 |
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| CF01 | Termination of patent right due to non-payment of annual fee |