CN210513678U - Novel pressure reducer calibration device - Google Patents

Abstract

The utility model discloses a novel pressure reducer calibration device, including box and automatic relief valve, outer wall one side fixedly connected with control panel of box, the inside air supply of inner wall one side fixedly connected with of box, outer wall one side fixedly connected with pipeline of inside air supply, the one end fixedly connected with pressure measurement table of inside air supply is kept away from to the pipeline, the one end fixedly connected with three-way pipe of inside air supply is kept away from to the pressure measurement table, the one end fixedly connected with steady voltage governing valve of three-way pipe, the other end fixedly connected with automatic relief valve of three-way pipe, the one end that the pressure measurement table was kept away from to the steady voltage governing valve is passed through pipeline fixedly connected with main switch. The utility model discloses be convenient for remove, improved work efficiency, can calibrate a plurality of pressure reducers simultaneously, solved the pipeline through automatic relief valve and caused the injury because of the too big explosion of pressure.

Description

Novel pressure reducer calibration device

Technical Field

The utility model relates to a calibrating instrument technical field, concretely relates to pressure reducer calibrating device.

Background

The pressure reducer is a device for reducing the pressure of the high-pressure oxygen stored in the oxygen cylinder to low-pressure oxygen required for gas welding. Because of the high pressure in the cylinder and the low pressure required at the gas welding, gas cutting and point of use, a pressure reducer is required to reduce the higher pressure gas stored in the cylinder to a lower pressure gas and to ensure that the required operating pressure remains stable throughout. In summary, a pressure reducer is a regulator that reduces high-pressure gas to low-pressure gas and keeps the pressure and flow rate of the output gas constant. The existing pressure reducer calibration needs to be carried out according to a pressure gauge calibration method after a pressure gauge head of the pressure reducer is detached.

At present, but current pressure reducer calibrating device need close the relief valve after every time calibrating, takes off the pressure reducer by the calibration, opens high-pressure gas source again when needing the calibration once more and lets in gas, extravagant high-pressure gas, leads to detecting work efficiency low.

Therefore, it is necessary to invent a new type of pressure reducer calibration device to solve the above problems.

Disclosure of Invention

The utility model aims at providing a novel pressure reducer calibration device adjusts the pressure of the gas of pouring into through control panel according to the model by the calibration pressure reducer, closes the calibrator switch that corresponds when the calibration pressure reducer that needs are more renewed, opens the calibrator relief valve, takes off the pressure reducer that has calibrated, installs and is calibrated the pressure reducer, closes the calibrator relief valve, opens and opens the calibrator switch to solve the above-mentioned weak point in the technique.

In order to achieve the above object, the present invention provides the following technical solutions: a novel pressure reducer calibrating device comprises a box body and an automatic pressure relief valve, wherein a control panel is fixedly connected to one side of the outer wall of the box body, an internal air source is fixedly connected to one side of the inner wall of the box body, a pipeline is fixedly connected to one side of the outer wall of the internal air source, a pressure detection meter is fixedly connected to one end, away from the internal air source, of the pipeline, a three-way pipe is fixedly connected to one end of the pressure detection meter, away from the internal air source, a pressure stabilizing regulating valve is fixedly connected to one end of the three-way pipe, an automatic pressure relief valve is fixedly connected to the other end of the three-way pipe, a main switch is fixedly connected to one end, away from the pressure detection meter, of the pressure stabilizing regulating valve, a manual pressure relief valve is fixedly connected to one end, away from the main switch, one side, away from the five-way pipe, of the calibrator switch is fixedly connected with a calibrator relief valve through a pipeline, one end, away from the calibrator switch, of the calibrator relief valve is fixedly connected with a calibrator interface through a pipeline, the other end of the five-way pipe is fixedly connected with a calibrator switch, one end, away from the five-way pipe, of the calibrator switch is fixedly connected with a calibrator relief valve through a pipeline, and one end, away from the calibrator switch, of the calibrator relief valve is fixedly connected with a calibrator interface through a pipeline;

the one end fixedly connected with of automatic relief valve is rotatory lid, the inner wall fixedly connected with thrust spring of rotatory lid, the one end fixedly connected with round platform that the rotatory lid was kept away from to thrust spring, the one end fixedly connected with tension spring that thrust spring was kept away from to the round platform, tension spring keeps away from the one end fixedly connected with of round platform by the arm-tie, the top through connection of automatic relief valve has disappointing pipe.

Preferably, the top of box articulates there is the top cap, the top fixedly connected with foot stool of top cap, the quantity of foot stool sets up to two.

Preferably, the number of the calibrator interfaces is set to three.

Preferably, the rotary cover is in threaded connection with the automatic pressure relief valve, and the pulled plate is fixedly connected with the inner wall of the automatic pressure relief valve.

Preferably, the air release pipe penetrates through the inner wall of the automatic pressure release valve, and the air release pipe is made of plastic.

Preferably, four corners of the bottom of the box body are provided with universal wheels, and the universal wheels are symmetrically distributed at the bottom of the box body.

Preferably, the bottom of the calibrator interface is fixedly connected with a support body, and the support body is fixedly connected with the inner surface of the box body.

In the technical scheme, the utility model provides a technological effect and advantage:

close the calibrator switch when being calibrated the pressure reducer through the change, open the calibrator relief valve, it is gaseous to flow out few part pipeline, most gas is still inside the pipeline, it closes the calibrator relief valve after being calibrated the pressure reducer to change required, open the calibrator switch, gas is through being calibrated the pressure reducer, be convenient for remove, work efficiency is improved, can calibrate a plurality of pressure reducers simultaneously, it causes the injury because of the too big explosion of pressure to have solved the pipeline through automatic relief valve, this embodiment has specifically solved the calibration of at every turn that exists among the prior art and all need follow the new injection high-pressure gas, all can waste the high-pressure gas problem in the pipeline in a large number.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

FIG. 1 is a sectional top view of the present invention;

FIG. 2 is a side cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the automatic pressure relief valve of the present invention;

fig. 4 is a front view of the present invention;

description of reference numerals:

the device comprises a box body 1, an automatic pressure release valve 2, a control panel 3, an internal air source 4, a pipeline 5, a pressure detection meter 6, a three-way pipe 7, a pressure stabilizing regulating valve 8, a main switch 9, a manual pressure release valve 10, a five-way pipe 11, a standard switch 12, a standard pressure release valve 13, a standard interface 14, a calibrator switch 15, a calibrator pressure release valve 16, a calibrator interface 17, a rotary cover 18, a thrust spring 19, a circular truncated cone 20, a tension spring 21, a pulled plate 22, an air release pipe 23, a top cover 24, a foot rest 25, a universal wheel 26 and a support body 27.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a novel pressure reducer calibration device as shown in figures 1-4, which comprises a box body 1 and an automatic pressure relief valve 2, wherein one side of the outer wall of the box body 1 is fixedly connected with a control panel 3, one side of the inner wall of the box body 1 is fixedly connected with an internal air source 4, one side of the outer wall of the internal air source 4 is fixedly connected with a pipeline 5, one end of the pipeline 5 far away from the internal air source 4 is fixedly connected with a pressure detection meter 6, one end of the pressure detection meter 6 far away from the internal air source 4 is fixedly connected with a three-way pipe 7, one end of the three-way pipe 7 is fixedly connected with a pressure stabilizing regulating valve 8, the other end of the three-way pipe 7 is fixedly connected with the automatic pressure relief valve 2, one end of the pressure stabilizing regulating valve 8 far away from the pressure detection meter 6 is fixedly connected with a main switch 9 through the, a five-way pipe 11 is fixedly connected to one end, far away from the main switch 9, of the manual pressure release valve 10, a standard switch 12 is fixedly connected to one end of the five-way pipe 11, a standard pressure release valve 13 is fixedly connected to one side, far away from the five-way pipe 11, of the standard switch 12 through a pipeline 5, a standard interface 14 is fixedly connected to one end, far away from the standard switch 12, of the standard pressure release valve 13 through the pipeline 5, a standard switch 15 is fixedly connected to the other end of the five-way pipe 11, a calibrator pressure release valve 16 is fixedly connected to one end, far away from the five-way pipe 11, of the calibrator pressure release valve 16 through the pipeline 5, and a calibrator interface 17 is fixedly connected to one end, far away from the calibrator switch 15;

the one end fixedly connected with of automatic relief valve 2 is rotatory lid 18, the inner wall fixedly connected with thrust spring 19 of rotatory lid 18, the one end fixedly connected with round platform 20 of rotatory lid 18 is kept away from to thrust spring 19, the one end fixedly connected with tension spring 21 of thrust spring 19 is kept away from to round platform 20, the one end fixedly connected with that round platform 20 was kept away from to tension spring 21 is by arm-tie 22, the top through connection of automatic relief valve 2 has run-off pipe 23.

Further, in the above technical solution, the top of the box body 1 is hinged with a top cover 24, the top of the top cover 24 is fixedly connected with two foot seats 25, the top cover 24 prevents the influence of dust on the device when not in operation, and the foot seats 25 can support the top cover 24 when the top cover 24 is opened;

further, in the above technical solution, the number of the calibrator interfaces 17 is three, so that a plurality of pressure reducers can be calibrated at the same time;

further, in the above technical solution, the rotary cover 18 is in threaded connection with the automatic pressure relief valve 2, the drawplate 22 is fixedly connected with the inner wall of the automatic pressure relief valve 2, and the threaded connection of the rotary cover 18 can adjust the pressure required by the automatic pressure relief valve 2 by rotating to adjust the tightness of the thrust spring 19;

further, in the above technical solution, the air release tube 23 penetrates through the inner wall of the automatic pressure release valve 2, the air release tube 23 is made of plastic, the plastic has high plasticity, and can be made into different required shapes;

further, in the above technical solution, the four corners of the bottom of the box body 1 are all provided with universal wheels 26, the universal wheels 26 are symmetrically distributed at the bottom of the box body 1, the universal wheels 26 are convenient to move, and the symmetrical distribution makes the structure more stable;

further, in the above technical solution, the bottom of the calibrator interface 17 is fixedly connected with a support 27, the support 27 is fixedly connected with the inner surface of the box 1, and the support 27 provides a supporting point for the calibrator interface 17, so that the internal structure of the device is more stable;

the implementation mode is specifically as follows: opening the top cover 24, selecting the number of the pressure reducers to be calibrated, installing the standard pressure reducers and the standard device interface 14, installing the pressure reducers to be calibrated and the standard device interface 17, opening the standard device switch 15 and the standard device switch 12, closing the standard device pressure reducing valve 16 and the standard device pressure reducing valve 13, selecting corresponding pressure according to the model of the calibrated pressure reducers, then opening the internal gas source 4, enabling gas to enter the pressure detection meter 6 through the pipeline 5, detecting the pressure in the pipeline 5, checking whether problems occur, enabling the gas to enter the pressure stabilizing regulating valve 8 through the three-way pipe 7 for pressure stabilization, enabling the gas to enter the main switch 9 through the pipeline 5, then entering the manual pressure reducing valve 10, enabling the gas to enter the standard device switch 12 through one end of the five-way pipe 11, then entering the standard device pressure reducing valve 13, finally entering the standard pressure reducers, enabling the gas to enter the standard, finally, the data enters a calibrated pressure reducer, the calibrated pressure reducer is adjusted until the numerical value on the table of the calibrated pressure reducer is equal to the numerical value on the standard pressure reducer, the calibration is completed, when the pressure reducers with the same specification are to be calibrated, the calibrator switch 15 is closed, the calibrator pressure release valve 16 is opened, the pressure reducer to be calibrated is replaced after the pressure reduction is finished, the calibrator pressure release valve 16 is closed, the calibrator switch 15 is opened for calibration, if the replacement time is too long, too high pressure is accumulated in the pipeline 5, the gas in the pipeline 5 is reduced through the automatic pressure release valve 2, the pipeline 5 is prevented from being burst, the internal gas source 4 is closed when the equipment is not used, the manual pressure release valve 10 is opened for pressure reduction, then the top cover 24 is closed, this embodiment specifically solves the problem that in the prior art, each calibration requires a new injection of high-pressure gas, which results in a large waste of high-pressure gas in the pipe 5.

This practical theory of operation:

referring to the attached drawings 1-4 of the specification, a top cover 24 is opened, the number of pressure reducers to be calibrated is selected, a standard pressure reducer is installed on a standard device interface 14, the pressure reducer to be calibrated is installed on a standard device interface 17, a standard device switch 15 and a standard device switch 12 are opened, a standard device pressure release valve 16 and a standard device pressure release valve 13 are closed, an internal gas source 4 is opened after corresponding pressure is selected according to the type of the calibrated pressure reducer, gas enters a pressure detection meter 6 through a pipeline 5, enters a pressure stabilization regulating valve 8 through a three-way pipe 7 for pressure stabilization, the gas enters a main switch 9 through the pipeline 5, then enters a manual pressure release valve 10, enters the standard device switch 12 through one end of a five-way pipe 11, then enters the standard device pressure release valve 13, finally enters the standard pressure reducer, the gas enters the standard device switch 15 at the other end and, get into at last by the calibration pressure reducer, the regulation is by the calibration pressure reducer until by the numerical value on the calibration pressure reducer table and the numerical value on the standard pressure reducer equal, accomplish the calibration, close calibrator switch 15, open calibrator relief valve 16, the change is by the calibration relief valve, close calibrator relief valve 16, open calibrator switch 15 and calibrate, if the change time overlength, the pipeline 5 inner product holds too high pressure, gas reduces the gas in the pipeline 5 through automatic relief valve 2, close inside air supply 4 when not using equipment, open 10 pressure releases of manual relief valve, then close top cap 24.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (7)

1. The utility model provides a novel pressure reducer calibration device, includes box (1) and automatic relief valve (2), its characterized in that: a control panel (3) is fixedly connected to one side of the outer wall of the box body (1), an internal air source (4) is fixedly connected to one side of the inner wall of the box body (1), a pipeline (5) is fixedly connected to one side of the outer wall of the internal air source (4), a pressure detection meter (6) is fixedly connected to one end, far away from the internal air source (4), of the pipeline (5), a three-way pipe (7) is fixedly connected to one end, far away from the internal air source (4), of the pressure detection meter (6), a pressure stabilizing regulating valve (8) is fixedly connected to one end of the three-way pipe (7), the other end of the three-way pipe (7) is fixedly connected with the automatic pressure relief valve (2), a main switch (9) is fixedly connected to one end, far away from the pressure stabilizing regulating valve (6), of the main switch (8), is fixedly connected with a manual pressure relief valve (10) through the pipeline (5, one end of the manual pressure relief valve (10) far away from the main switch (9) is fixedly connected with a five-way pipe (11), one end of the five-way pipe (11) is fixedly connected with a standard switch (12), one side of the standard switch (12) far away from the five-way pipe (11) is fixedly connected with a standard relief valve (13) through a pipeline (5), one end of the pressure release valve (13) of the standard device, which is far away from the switch (12) of the standard device, is fixedly connected with a standard device interface (14) through a pipeline (5), the other end of the five-way pipe (11) is fixedly connected with a calibrator switch (15), one end of the calibrator switch (15) far away from the five-way pipe (11) is fixedly connected with a calibrator pressure release valve (16) through a pipeline (5), one end, far away from the calibrator switch (15), of the calibrator pressure release valve (16) is fixedly connected with a calibrator interface (17) through a pipeline (5);

the one end fixedly connected with of automatic relief valve (2) is rotatory lid (18), the inner wall fixedly connected with thrust spring (19) of rotatory lid (18), one end fixedly connected with round platform (20) of rotatory lid (18) are kept away from in thrust spring (19), one end fixedly connected with tension spring (21) of thrust spring (19) are kept away from in round platform (20), the one end fixedly connected with of round platform (20) is kept away from in tension spring (21) is by arm-tie (22), the top through connection of automatic relief valve (2) has run-off air pipe (23).

2. The novel pressure reducer calibration device as set forth in claim 1, wherein: the top of box (1) articulates there is top cap (24), the top fixedly connected with foot rest (25) of top cap (24), the quantity of foot rest (25) sets up to two.

3. The novel pressure reducer calibration device as set forth in claim 1, wherein: the number of calibrator interfaces (17) is set to three.

4. The novel pressure reducer calibration device as set forth in claim 1, wherein: the rotary cover (18) is in threaded connection with the automatic pressure relief valve (2), and the pulled plate (22) is fixedly connected with the inner wall of the automatic pressure relief valve (2).

5. The novel pressure reducer calibration device as set forth in claim 1, wherein: the air release pipe (23) penetrates through the inner wall of the automatic pressure release valve (2), and the air release pipe (23) is made of plastic.

6. The novel pressure reducer calibration device as set forth in claim 1, wherein: the four corners of the bottom of the box body (1) are provided with universal wheels (26), and the universal wheels (26) are symmetrically distributed at the bottom of the box body (1).

7. The novel pressure reducer calibration device as set forth in claim 1, wherein: the bottom of the calibrator interface (17) is fixedly connected with a support body (27), and the support body (27) is fixedly connected with the inner surface of the box body (1).

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