CN217358850U

CN217358850U - Multifunctional pressure correcting device

Info

Publication number: CN217358850U
Application number: CN202221016532.0U
Authority: CN
Inventors: 郭锦祥; 李贺荣; 黎福强
Original assignee: Dongguan Jinzhou Paper Industry Co ltd
Current assignee: Dongguan Jinzhou Paper Industry Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-09-02
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a multifunctional pressure correcting device, which comprises an operating panel, wherein a mounting bracket is fixedly arranged on one side of the top of the operating panel, a gas storage tank is fixedly arranged on the top of the mounting bracket, a first communicating pipe is fixedly communicated with one side of the gas storage tank, a pressure reducing valve is fixedly communicated with one end of the first communicating pipe, the input end of the pressure reducing valve is fixedly communicated with a second communicating pipe, a hand valve is fixedly communicated with one end of the second communicating pipe, a compressed air connecting pipe is fixedly communicated with one end of the hand valve, a pressure transmitter is fixedly communicated with one end of the gas storage tank, the output end of the pressure transmitter is in threaded connection with a universal connecting pipe, and a controller is fixedly arranged on one side of the top of the operating panel, which is far away from the mounting bracket, the multifunctional pressure correcting device can replace the traditional fixed connection mode by the universal connecting pipe and the connector in threaded connection mode, so that equipment can be connected with pressure instruments with different connectors, the application range of the pressure calibration device is expanded, and the calibration precision is improved.

Description

Multifunctional pressure correcting device

Technical Field

The utility model relates to a pressure correcting unit technical field specifically is a multi-functional pressure correcting unit.

Background

Pressure instruments such as pointer type ordinary pressure gauges, precision pressure gauges, pressure sensors and pressure transmitters need to be subjected to pressure correction after being used for a long time, the interface of the existing correcting device for connecting the pressure instrument is fixedly arranged, the pressure instrument matched with the interface can only be detected and verified, the application range of the correcting device is low, the correcting precision of the existing pressure device is not high, and compressed gas cannot be adjusted as much as possible.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional pressure correcting unit to its interface that is used for connecting the pressure instrument of the current correcting unit who proposes in solving above-mentioned background art sets up fixedly, can only examine and verify interface assorted pressure instrument, and the application range that leads to correcting unit is lower, and the precision of its correction of current pressure device is not high, compressed gas's the problem that also can't adjust as far as possible.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a multi-functional pressure correcting unit, includes the operation panel, one side fixed mounting at operation panel top has the installing support, the top fixed mounting of installing support has the gas holder, the fixed intercommunication in one side of gas holder has first communicating pipe, the fixed intercommunication of one end of first communicating pipe has the relief pressure valve, the fixed intercommunication of input end of relief pressure valve has second communicating pipe, the fixed intercommunication of one end of second communicating pipe has the hand valve, the fixed intercommunication of one end of hand valve has the compressed air connecting pipe, the fixed intercommunication of one end that first communicating pipe was kept away from to the gas holder has pressure transmitter, pressure transmitter's output threaded connection has universal connecting pipe, one side fixed mounting that the installing support was kept away from at the operation panel top has the controller, the positive top fixed mounting of controller has the digital display table.

Preferably, four corners fixedly connected with supporting legs of operation panel bottom, just the slipmat has been cup jointed to the bottom of supporting leg, supports whole equipment through the supporting leg.

Preferably, the middle part of the inner cavity of the universal connecting pipe is fixedly connected with an isolation ring, two sides of the isolation ring are respectively sleeved with a sealing gasket, and the sealing gaskets are used for sealing the joint of the universal connecting pipe.

Preferably, the internal threads are formed at the two ends of the inner wall of the universal connecting pipe, and the traditional fixed connection mode is replaced by the mode of connecting the universal connecting pipe and the joint threads, so that equipment can be connected with pressure instruments with different joints, and the application range of the pressure calibration device is expanded.

Preferably, the bottom of controller from left to right is fixed mounting in proper order has first shift knob, pressure adjustment knob and second shift knob, just hand valve, relief pressure valve and controller are respectively through first shift knob, pressure adjustment knob and second shift knob and external power supply electric connection, controller and digital display table and controller electric connection.

Preferably, the middle parts of the first communicating pipe and the second communicating pipe are fixedly provided with standard pressure gauges for comparison of measured values.

Compared with the prior art, the beneficial effects of the utility model are that:

the traditional fixed connection mode is replaced by the mode of connecting the universal connecting pipe and the connector through threads, so that equipment can be connected with pressure instruments of different connectors, the application range of the pressure checking device is enlarged, then compressed gas is introduced into an inner cavity of the compressed air connecting pipe, the opening of a hand valve is controlled, the pressure of the compressed gas is detected through a standard pressure gauge on the compressed air connecting pipe, then a pressure adjusting knob is controlled to adjust the pressure to a proper value, the pressure of the compressed gas after pressure adjustment is verified and detected for the first time through the standard pressure gauge on a first communicating pipe, the detected gas enters the inner cavity of the pressure transmitter through a gas storage tank, the pressure transmitter converts the detected pressure into an electric signal on one hand, the electric signal is transmitted to a controller to be processed and then displayed in a digital form on a digital display meter, and on the other hand, the converted compressed gas is introduced into the inner cavity of the pressure gauge to be detected, and then comparing the value measured by the standard pressure gauge on the first communication pipe, the value displayed by the digital display gauge and the value measured by the pressure gauge to be measured, thereby obtaining the measurement error of the pressure gauge to be measured, carrying out corresponding correction, and improving the correction precision by the way of comparing three groups of data.

Drawings

Fig. 1 is a schematic plan view of the present invention;

FIG. 2 is a schematic plan view of the gas storage tank of the present invention;

FIG. 3 is a schematic plan view of a controller according to the present invention;

fig. 4 is a cross-sectional view of the communication head of the present invention.

In the figure: 1. an operation panel; 2. mounting a bracket; 3. a gas storage tank; 4. a first communication pipe; 5. a pressure reducing valve; 6. a second communicating pipe; 7. a hand valve; 8. a compressed air connecting pipe; 9. a universal connecting pipe; 10. a standard pressure gauge; 11. a pressure transmitter; 12. a controller; 13. a digital display meter; 14. a first switch button; 15. a pressure adjusting knob; 16. a second switch button; 17. supporting legs; 18. an isolating ring; 19. a gasket; 20. an internal thread.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, the utility model provides a multi-functional pressure correcting unit, including operation panel 1, one side fixed mounting at operation panel 1 top has installing support 2, the top fixed mounting of installing support 2 has gas holder 3, the fixed intercommunication in one side of gas holder 3 has first communicating pipe 4, the fixed intercommunication in one end of first communicating pipe 4 has relief pressure valve 5, the fixed intercommunication in input end of relief pressure valve 5 has second communicating pipe 6, the fixed intercommunication in one end of second communicating pipe 6 has hand valve 7, the fixed intercommunication in one end of hand valve 7 has compressed air connecting pipe 8, the fixed intercommunication in one end that first communicating pipe 4 was kept away from to gas holder 3 has pressure transmitter 11, pressure transmitter 11's output threaded connection has universal connection pipe 9, one side fixed mounting that installing support 2 was kept away from at operation panel 1 top has controller 12, the positive top fixed mounting of controller 12 has digital display 13.

When the pressure checking device is used, the traditional fixed connection mode is replaced by the mode of connecting the universal connecting pipe 9 and the connector through threads, so that equipment can be connected with pressure instruments of different connectors, the application range of the pressure checking device is enlarged, then compressed gas is introduced into the inner cavity of the compressed air connecting pipe 8, the hand valve 7 is controlled to be opened, the pressure of the compressed gas is detected through the standard pressure gauge 10 on the compressed air connecting pipe 8, then the pressure adjusting knob 15 is used for controlling the pressure reducing valve 5 to adjust the pressure to a proper value, the pressure of the compressed gas after pressure adjustment is firstly verified and detected through the standard pressure gauge 10 on the first connecting pipe 4, the detected gas enters the inner cavity of the pressure transmitter 11 through the gas storage tank 3, the pressure transmitter 11 converts the detected pressure into an electric signal on one hand, and the electric signal is transmitted to the controller 12 to be processed and then is displayed on the digital display 13 in a digital mode, on the other hand lets in the compressed gas after will changing to the inner chamber of the manometer that awaits measuring and detects, then compares the numerical value of standard manometer 10 measurement on first connecting pipe 4, the numerical value that digital display table 13 shows and the manometer measurement's that awaits measuring numerical value to obtain the measuring error of the manometer that awaits measuring, and carry out corresponding correction, through the mode of three data comparison of group, improve the precision of correcting.

Four corner fixedly connected with supporting legs 17 of operating panel 1 bottom, and the slipmat has been cup jointed to supporting leg 17's bottom.

When the device is used, the whole device is supported by the supporting legs 17, and the anti-skidding pads are used for preventing skidding of the supporting legs 17.

The middle part of the inner cavity of the universal connecting pipe 9 is fixedly connected with an isolating ring 18, and two sides of the isolating ring 18 are sleeved with sealing gaskets 19.

When in use, the joint of the universal connecting pipe 9 is sealed through the isolating ring 18 and the sealing gasket 19.

The two ends of the inner wall of the universal connecting pipe 9 are both provided with internal threads 20.

During the use, replace traditional fixed connection mode through omnipotent connecting pipe 9 and the mode of connecting joint threaded connection for the pressure instrument of different joints can be connected to equipment, has enlarged pressure calibration equipment's application range.

The bottom of the controller 12 is sequentially and fixedly provided with a first switch button 14, a pressure adjusting knob 15 and a second switch button 16 from left to right, the hand valve 7, the pressure reducing valve 5 and the controller 12 are respectively electrically connected with an external power supply through the first switch button 14, the pressure adjusting knob 15 and the second switch button 16, and the controller 12 and the digital display meter 13 are electrically connected with the controller 12.

The middle parts of the first communicating pipe 4 and the second communicating pipe 6 are fixedly provided with standard pressure gauges 10.

During the use, compare the numerical value of standard manometer 10 measurement on first connecting pipe 4, the numerical value that digital display table 13 shows and the measured numerical value of the manometer that awaits measuring to obtain the measuring error of the manometer that awaits measuring, and carry out corresponding correction, through the mode of three data contrast of group, improve the precision of correcting.

When the pressure tester is used specifically, a joint matched with a pressure gauge to be calibrated is found, the joint is screwed into an inner cavity of the universal connecting pipe 9, the end part of the joint is abutted against the surface of the sealing gasket 19 to seal the joint, the input end with the calibration pressure gauge is communicated with the joint, the traditional fixed connection mode is replaced by the mode of connecting the universal connecting pipe 9 with the joint in a threaded manner, equipment can be connected with pressure instruments of different joints, the application range of the pressure tester is enlarged, compressed gas is introduced into the inner cavity of the compressed air connecting pipe 8, the opening of the hand valve 7 is controlled by the pressure reducing valve 5, the pressure of the compressed gas is detected by the standard pressure gauge 10 on the compressed air connecting pipe 8, the pressure regulating knob 15 is used for controlling the pressure reducing valve 5 to regulate the pressure to a proper value, and the pressure of the compressed gas after pressure regulation is subjected to first verification and detection by the standard pressure gauge 10 on the first connecting pipe 4, gas after the detection enters into pressure transmitter 11's inner chamber through gas holder 3, pressure transmitter 11 on the one hand will be surveyed pressure conversion and be the signal of telecommunication, and with the signal of telecommunication carry for controller 12 to handle the back and show with digital form on digital display table 13, on the one hand let in the inner chamber of the manometer that awaits measuring with compressed gas after the conversion and detect, then with the numerical value of standard manometer 10 measurement on first connecting pipe 4, the numerical value that digital display table 13 shows and the manometer that awaits measuring measured numerical value are compared, thereby obtain the measuring error of the manometer that awaits measuring, and corresponding correction, mode through three group data contrast, improve the precision of correcting.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A multifunctional pressure correction device comprises an operation panel (1), and is characterized in that: the automatic control device is characterized in that a mounting bracket (2) is fixedly mounted on one side of the top of the operating plate (1), a gas storage tank (3) is fixedly mounted on the top of the mounting bracket (2), a first communicating pipe (4) is fixedly communicated with one side of the gas storage tank (3), a pressure reducing valve (5) is fixedly communicated with one end of the first communicating pipe (4), a second communicating pipe (6) is fixedly communicated with the input end of the pressure reducing valve (5), a hand valve (7) is fixedly communicated with one end of the second communicating pipe (6), a compressed air connecting pipe (8) is fixedly communicated with one end of the hand valve (7), a pressure transmitter (11) is fixedly communicated with one end of the gas storage tank (3) far away from the first communicating pipe (4), an universal connecting pipe (9) is connected with the output end of the pressure transmitter (11), and a controller (12) is fixedly mounted on one side of the top of the operating plate (1) far away from the mounting bracket (2), and a digital display meter (13) is fixedly arranged at the top of the front surface of the controller (12).

2. A multi-functional pressure correction device as defined in claim 1, wherein: four corner fixedly connected with supporting legs (17) of operation panel (1) bottom, just the slipmat has been cup jointed to the bottom of supporting leg (17).

3. A multi-functional pressure correction device as defined in claim 1, wherein: the middle part of the inner cavity of the universal connecting pipe (9) is fixedly connected with an isolating ring (18), and sealing gaskets (19) are sleeved on two sides of the isolating ring (18).

4. A multi-functional pressure correction device as defined in claim 1, wherein: and internal threads (20) are formed at two ends of the inner wall of the universal connecting pipe (9).

5. A multifunctional pressure correction device as recited in claim 1, characterized in that: the bottom of controller (12) from left to right is fixed mounting in proper order has first shift knob (14), pressure adjustment knob (15) and second shift knob (16), just hand valve (7), relief pressure valve (5) and controller (12) are respectively through first shift knob (14), pressure adjustment knob (15) and second shift knob (16) and external power supply electric connection, controller (12) and digital display table (13) and controller (12) electric connection.

6. A multi-functional pressure correction device as defined in claim 1, wherein: and the middle parts of the first communicating pipe (4) and the second communicating pipe (6) are fixedly provided with standard pressure gauges (10).