CN217237073U - Micro-pressure gauge tester - Google Patents

Abstract

The utility model provides a minute-pressure manometer test machine, press valve, pressure regulating tee bend, detection tee bend including the accuse that communicates in proper order, wherein detect two three-way ports of giving vent to anger and communicate standard table and by the school table respectively, detect three-way inlet port and the three-way port of giving vent to anger of pressure regulating and be connected, another port of giving vent to anger of pressure regulating tee bend is connected with the relief valve, and pressure regulating tee bend inlet port presses the valve intercommunication with the accuse, and the air inlet connection intake pipe that the valve was pressed to the accuse. Above-mentioned minute-pressure test machine has realized the accuse pressure and the steady voltage function of current electron manometer through accuse pressure valve, relief valve, low cost, and the preparation cycle is short.

Description

Micro-pressure gauge testing machine

Technical Field

The utility model relates to a minute-pressure measuring equipment field, concretely relates to minute-pressure manometer test machine.

Background

The micro-pressure gauge is commonly used for monitoring the sealing pressure in the capsule body when the tracheal cannula and the laryngeal mask are applied, and is widely used in the medical field. Whether the pressure of a produced product is measured accurately is generally checked by an electronic pressure gauge in the process of producing the micro-pressure gauge, the electronic pressure gauge adjusts the air pressure to a screen reading to be required verification air pressure through a button on a control panel, then a signal is transmitted to a sensor of an air cylinder through a circuit board, the air cylinder is driven to increase to specified pressure, the pressure is transmitted to a product to be detected communicated with an air outlet, whether the product reading is the same as the screen display data of the electronic pressure gauge or not is observed, the product pressure indication is judged to be qualified if the product reading is the same as the screen display data of the electronic pressure gauge, and the product pressure indication is judged to be bad if the data is different.

However, although the electronic pressure gauge has accurate measurement data, the electronic pressure gauge also has the problems of precise devices, high price and long customization period.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a minute-pressure manometer test machine to the not enough of prior art to solve the problem of proposing in the above-mentioned background art.

In order to realize the above-mentioned purpose, the utility model provides a minute-pressure manometer test machine, press valve, pressure regulating tee bend, detection tee bend including the accuse that communicates in proper order, wherein detect two three-way ports of giving vent to anger and communicate standard table and by the school table respectively, detect three-way inlet port and the three-way port of giving vent to anger of pressure regulating and be connected, another outlet port of pressure regulating tee bend is connected with the relief valve, pressure regulating tee bend inlet port with the accuse press the valve intercommunication, the air inlet connection intake pipe that the valve was pressed to the accuse.

As the utility model discloses a further setting, the accuse is pressed valve, pressure regulating tee bend, is detected tee bend, standard table, is all through the hose connection between the school table.

As the utility model discloses a further setting, the quantity that the valve was pressed in the accuse is two, and one is pressed the valve for the coarse adjusting accuse, and another is pressed the valve for the fine adjusting accuse, can be accurate to the minute-pressure atmospheric pressure within range that needs detected with pipeline internal pressure scope.

As the utility model discloses a further setting, for avoiding minute-pressure test machine receives external environment to influence, minute-pressure test machine still includes the box, and the accuse is pressed valve, pressure regulating tee bend, is detected the tee bend and all is located the box, presses the intake pipe that the valve is connected with the coarse adjusting accuse and wears out the box so that aerify, and standard table and quilt school table are located the box respectively and are convenient for observe the reading outward.

Specifically, the hose for connecting the standard meter and the calibrated meter is fixed on the box body through the joint, the joint for connecting the calibrated meter is fixed on the upper side wall of the box body, and the joint for connecting the standard meter is fixed on the front side wall of the box body, so that the readings of the standard meter and the calibrated meter can be observed conveniently.

Compared with the prior art, the micro-pressure gauge testing machine obtained by the technical scheme has the beneficial effects that: the coarse regulation pressure control valve, the fine regulation pressure control valve and the pressure relief valve are used for realizing the functions of regulating and stabilizing the pressure, the cost is low, and the manufacturing time is short.

Drawings

Fig. 1 is a schematic structural view of the micro-pressure testing machine of the present invention.

Fig. 2 is a schematic structural diagram of the interior of the micro-pressure testing machine of the present invention.

In the figure, an intake pipe 1; coarse adjustment of the pressure regulating valve 2; fine adjustment of the pressure regulating valve 3; a pressure regulating tee joint 4; a pressure release valve 5; detecting a tee joint 6; a joint 7; a calibrated meter 8; standard Table 9; a case 10.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, and it is to be understood that the described embodiments are merely illustrative of some, but not all embodiments of the invention. Based on the embodiments in the present invention, other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to the attached drawing, a minute-pressure manometer test machine, including the accuse that communicates in proper order press the valve, the pressure regulating tee bend 4, detect tee bend 6, wherein two ports of giving vent to anger that detect tee bend 6 communicate standard meter 9 and by school table 8 respectively, the port of giving vent to anger that detects tee bend 6 and pressure regulating tee bend 4 is connected, another port of giving vent to anger of pressure regulating tee bend 4 is connected with relief valve 4, it is stable to guarantee to let in standard meter 9 and by the interior gas pressure of school table 8, pressure regulating tee bend 4 inlet port and accuse press the valve to communicate, the air inlet connection intake pipe 1 that the accuse pressed the valve.

The pressure control valve, the pressure regulating tee joint 4, the detection tee joint 6, the standard meter 9 and the calibrated meter 8 are all connected through hoses.

The number of the pressure control valves is two, one is a coarse adjustment pressure control valve 2, the other is a fine adjustment pressure control valve 3, and the pressure range in the pipeline can be accurately within the micro-pressure air pressure range to be detected.

The model of the fine regulating and controlling valve is LSA6, and the pressure range of the calibrated meter is 0-5 kpa.

In order to avoid the influence of the external environment on the micro-pressure gauge testing machine, the micro-pressure gauge testing machine further comprises a box body 10, the pressure control valve, the pressure regulating tee joint 4 and the detection tee joint 6 are all located in the box body 10, an air inlet pipe 1 connected with the coarse regulation pressure control valve 2 penetrates out of the box body 10 so as to be inflated, and the standard gauge 9 and the calibrated gauge 8 respectively extend into the box body 10 so as to be convenient for observing readings.

Specifically, the hoses for connecting the standard meter 9 and the calibrated meter 8 are fixed on the box body 10 through the joints 7, wherein the joints 7 for connecting the calibrated meter 8 are fixed on the upper side wall of the box body 10, the joints 7 for connecting the standard meter 9 are fixed on the front side wall of the box body 10, so that the readings of the standard meter 9 and the calibrated meter 8 can be observed at the same time, and during testing, the calibrated meter 8 and the joints 7 are only required to be fixedly connected.

After gas passes through the first coarse adjustment pressure control valve 2, the input gas pressure is controlled in a range, then the gas enters the second fine adjustment pressure control valve 3, the gas pressure is further accurate to the pressure range needing to be detected, then the gas enters the pressure regulating tee joint 4, redundant gas is discharged through the gas outlet of the pressure relief valve 5, so that the gas pressure value leading to the detecting tee joint 6 is always stabilized on the pressure check point, at the moment, the standard meter 9 and the calibrated meter 8 connected with the detecting tee joint 6 all display the indicating number, if the reading of the calibrated meter 8 is consistent with the reading of the standard meter 9, the calibrated meter 8 is proved to be qualified, otherwise, the calibrated meter is not qualified.

Above-mentioned minute-pressure manometer test machine utilizes coarse adjusting pressure control valve 2, fine adjusting pressure control valve 3 to keep the atmospheric pressure in the pipeline in the pressure range, utilizes relief valve 5 to make the atmospheric pressure through 4 gas outlets of pressure regulating tee bend remain stable, and then obtains accurate reading, compares with using electronic pressure manometer, and is with low costs and preparation cycle weak point.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims (5)

1. The utility model provides a minute-pressure manometer test machine, its characterized in that, presses valve, pressure regulating tee bend, detection tee bend including the accuse that communicates in proper order, wherein detects two ports of giving vent to anger of tee bend and communicate standard table and by the school table respectively, detects three-way inlet port and the three-way port of giving vent to anger of pressure regulating and is connected, and another port of giving vent to anger of pressure regulating tee bend is connected with the relief valve, and pressure regulating tee bend inlet port and accuse press the valve intercommunication, and the intake pipe is connected to the air inlet that the pressure regulating pressed the valve.

2. The micro-pressure gauge testing machine according to claim 1, wherein the pressure control valve, the pressure regulating tee joint, the detecting tee joint, the standard gauge and the calibrated gauge are all connected through hoses.

3. The micro-pressure gauge tester as claimed in claim 1, wherein the number of the pressure control valves is two, one is a coarse adjustment pressure control valve, and the other is a fine adjustment pressure control valve.

4. The micro-pressure gauge testing machine according to claim 1, further comprising a box body, wherein the pressure control valve, the pressure regulating tee joint and the detecting tee joint are all located in the box body, the standard gauge and the calibrated gauge are located outside the box body, and an air inlet pipe connected with the rough-adjusting pressure control valve penetrates out of the box body.

5. The micro-pressure gauge testing machine as claimed in claim 4, wherein the hoses for connecting the standard gauge and the calibrated gauge are fixed to the case through connectors, wherein the connector for connecting the calibrated gauge is fixed to the upper side wall of the case, and the connector for connecting the standard gauge is fixed to the front side wall of the case.

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