CN211401671U - Breather valve calibration device - Google Patents

Abstract

The utility model relates to a detection area especially relates to breather valve calibration equipment. The checking device comprises a buffer (1), wherein the middle part of the buffer (1) is a hollow space, the hollow space inside the buffer (1) is connected with a vacuum pump (4) through a second regulating valve (F2), and the hollow space inside the buffer (1) is connected with a pressure source (3) through a first regulating valve (F1); the hollow space inside the buffer (1) is connected with more than one detection port (5). Adopt above technical scheme the utility model discloses, for prior art have following beneficial effect: the multi-aperture butt joint can be operated in a streamlined mode, and the detection efficiency can be improved.

Description

Breather valve calibration device

Technical Field

The utility model relates to a detection area especially relates to breather valve calibration equipment.

Background

The detection of the breather valve is currently troublesome and cannot be rapidly detected.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is that: in order to provide a better breathing valve verification device, the specific purpose is to see a plurality of substantial technical effects of the specific implementation part.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the respiratory valve checking device is characterized in that the checking device comprises a buffer 1, the middle part of the buffer 1 is a hollow space, the hollow space inside the buffer 1 is connected with a vacuum pump 4 through a second regulating valve F2, and the hollow space inside the buffer 1 is connected with a pressure source 3 through a first regulating valve F1; the hollow space inside the buffer 1 is connected with more than one detection port 5.

The utility model discloses a further technical scheme lies in, more than one detection mouth 5 can block up or connect the breather valve.

The utility model discloses a further technical scheme lie in, detection mouth 5 can be blockked by obstruction structure 6.

The utility model has the further technical proposal that the middle part of the blocking structure 6 is a closed structure, the blocking structure 6 comprises an outer wall and an inner wall, and the outer wall and the inner wall can clamp the detection port wall 9; contain the screw thread on outer wall and the inner wall respectively, the outer wall is the internal thread inwards, and the inner wall is the external screw thread outwards, and the two can be installed on detecting the mouth with it and seal.

The utility model discloses a further technical scheme lies in, more than one detection mouth 5 bores inconsistent, can dock not unidimensional breather valve.

The utility model has the further technical proposal that more than one detection port 5 can be butted with flanges with more than one size through a universal butting flange structure 12, the universal butting flange structure 12 comprises a butting flange plate 14, and one side of the butting flange plate 14 and the detection port are integrally manufactured; the middle part of the universal butt flange structure 12 comprises a through opening, more than one circle of clamping walls are arranged around the through opening, and more than one clamping space is respectively arranged among the clamping walls; more than one turn of clamping walls is arranged on the closing part 13 of the abutment flange 14; and the breathing valve further comprises a pressing bolt 20, and the pressing bolt 20 can penetrate through more than one layer of clamping walls to press the outer wall of the breathing valve to fix the breathing valve on the outer wall.

The utility model discloses a further technical scheme lies in, more than one detection mouth 5 upwards arrange on the operation panel.

Adopt above technical scheme the utility model discloses, for prior art have following beneficial effect: the multi-aperture butt joint can be operated in a streamlined mode, and the detection efficiency can be improved.

Drawings

For further explanation of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings:

FIG. 1 is a schematic structural view of the utility model;

FIG. 2 is a schematic diagram of another structure of the utility model;

fig. 3 is a schematic diagram of a preferred implementation structure of the utility model with a closed mouth;

FIG. 4 is a schematic view of a multi-aperture docking station;

wherein: 1. a buffer; 2. a pressure gauge; 3. a pressure source; 4. a vacuum pump; 5. a detection port; 6. a blocking structure; 7. an operating platform; 8. a breather valve; f1 first regulating valve; f2 second regulator valve; f3 pressure relief valve; 9. detecting the mouth wall; 10. an outer clamping ring; 11. inner wall threads; 12. a universal docking flange structure; 13. a closure portion; 14. butting the flange plates; 15. a first clamping space; 16. a second clamping space; 17. a third clamping space; 18. a middle through hole; 19. a fourth clamping space; 20. the bolt is pressed.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The patent provides a plurality of parallel schemes, and different expressions belong to an improved scheme based on a basic scheme or a parallel scheme. Each solution has its own unique features.

The first embodiment is as follows: combine fig. 1 and fig. 2; the respiratory valve checking device is characterized in that the checking device comprises a buffer 1, the middle part of the buffer 1 is a hollow space, the hollow space inside the buffer 1 is connected with a vacuum pump 4 through a second regulating valve F2, and the hollow space inside the buffer 1 is connected with a pressure source 3 through a first regulating valve F1; the hollow space inside the buffer 1 is connected with more than one detection port 5. The technical scheme of the invention has the following substantial technical effects and the realization process: more than one of the detection ports is fitted with a breathing valve and the pressure source 3 is preferably compressed air, which itself also carries an opening valve. The device is a detection device of the breather valve of the metal normal-pressure storage tank and is also an operation platform for detecting whether accessories of the metal normal-pressure storage tank are qualified or not. The device can be used for detecting accessories such as metal atmospheric storage tank breather valves with DN 50-DN 250 calibers, and the main parameters of detection include: the device can also measure the ventilation volume, the ventilation pressure difference, the pressure loss and the like.

Positive pressure start-up of a plant

The power supply is connected, and the pressurizing equipment, namely the air compressor, is started under the condition of no error, and all the regulating valves are in a closed state at the moment. And observing whether the display pressure of the air source instrument is normal or not, and detecting the normal pressure. And when the pressure of the air compressor reaches 0.2MPa, stopping boosting.

Detecting device connection

The detection operation platform is used for connecting the respiratory valve to be detected. And placing the respiratory valve to be detected, aligning the respiratory valve to be detected with the center of the transition flange, pressing the respiratory valve to be detected by using a steel ring, and finishing connection. Essentially, this embodiment provides two implementations, see the latter embodiment.

When one check bit is used, the other check bit is in a blind blocking state.

Positive pressure detection of exhaust opening pressure

Firstly, opening a first regulating valve F1 to a half-open state, and slowly enabling pressure to enter a buffer;

secondly, observing a pressure gauge, keeping a slow pressure boosting state, wherein the pressure boosting speed is less than or equal to 4 kPa/min;

and thirdly, when the test medium is heard and seen to be continuously discharged, the pressure value displayed by the pressure gauge at the moment is the exhaust opening pressure of the breather valve.

4. Intake opening pressure negative pressure detection

Firstly, a first regulating valve F1 is closed, a second regulating valve F2 is also in a closed state, a pressure relief valve F3 is opened, and the medium in the buffer is poured out until the gauge pressure is zero;

secondly, the pressure relief F3 is closed, and a second regulating valve F2 is opened;

pressing a 'start' key of the vacuum pump to start the vacuum pump;

fourthly, when the test medium is heard and seen to continuously suck, the pressure displayed by the pressure gauge at the moment is the suction opening pressure of the breather valve;

fifthly, the vacuum pump is turned off, and the second regulating valve F2 is turned off;

sixthly, opening the pressure relief F3, and slowly enabling air to enter a buffer until the gauge pressure is zero.

Points of attention

1. And attention is paid to maintenance, the equipment is kept clean, and no sundries are attached.

2. During detection, when the pressure gauge is in a zero value in the process of switching positive pressure and negative pressure, the next procedure can be performed after waiting at least ten seconds.

3. And regularly checking whether the pipeline is blocked by foreign matters. If the valve is blocked, the valve is required to be repaired when all valves are normally opened and the pressure gauge is zero.

4. After the equipment is used, the power is cut off in time, and the rainproof cover is covered.

Five, common fault and processing method thereof

Failure 1: when the air pressure is activated and the regulating valve F1 is opened, the pressure gauge shows zero.

The treatment method comprises the following steps: checking whether the air inlet pipeline of the buffer is blocked by foreign matters.

And (3) failure 2: when the vacuum pump is operated, the pressure gauge indicates abnormality.

The treatment method comprises the following steps: check whether each regulating valve is closed and the check bit which does not work is good in sealing.

Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.

Example two: as a further development or in parallel, the detection opening 5 can be blocked by a blocking structure 6. The technical scheme of the invention has the following substantial technical effects and the realization process: the blocking structure 6 can be a rubber plug, and can also be the structure and implementation described in example four.

Example three: as a further improvement or in parallel, the one or more detection ports 5 can be blocked or connected to a breather valve. The technical scheme of the invention has the following substantial technical effects and the realization process: the blockage of this embodiment is the blind blockage of the previous embodiment.

Example four: as a further improvement or a juxtaposition, the middle part of the blocking structure 6 is a closed structure, and the blocking structure 6 comprises an outer wall and an inner wall, and the outer wall and the inner wall can clamp the detection port wall 9; contain the screw thread on outer wall and the inner wall respectively, the outer wall is the internal thread inwards, and the inner wall is the external screw thread outwards, and the two can be installed on detecting the mouth with it and seal. The technical scheme of the invention has the following substantial technical effects and the realization process: referring to fig. 3, the scheme of the embodiment has better stability and is tighter by clamping the internal thread and the external thread. Preferably, a sealing strip can be added.

Example five: as a further improvement or a parallel scheme, the more than one detection ports 5 have different calibers and can be butted with breathing valves with different sizes. The technical scheme of the invention has the following substantial technical effects and the realization process: the solution here, with reference to fig. 2, is a side-by-side solution, capable of interfacing multiple sizes simultaneously.

Example six: as a further improvement or a parallel scheme, the more than one detection ports 5 can be butted with flanges with more than one size through a universal butting flange structure 12, the universal butting flange structure 12 comprises a butting flange plate 14, and one side of the butting flange plate 14 and the detection ports are integrally manufactured; the middle part of the universal butt flange structure 12 comprises a through opening, more than one circle of clamping walls are arranged around the through opening, and more than one clamping space is respectively arranged among the clamping walls; more than one turn of clamping walls is arranged on the closing part 13 of the abutment flange 14; and the breathing valve further comprises a pressing bolt 20, and the pressing bolt 20 can penetrate through more than one layer of clamping walls to press the outer wall of the breathing valve to fix the breathing valve on the outer wall. The technical scheme of the invention has the following substantial technical effects and the realization process: with reference to fig. 4, this configuration enables the simultaneous docking of a plurality of differently sized breather valves; the clamping space also comprises a plurality of clamping spaces, not necessarily four clamping spaces. Further preferably, the one or more detection ports 5 are arranged on the operation table so as to face upward.

Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.

The technical effect that above structure was realized realizes clearly, if do not consider additional technical scheme, this patent name can also be a detection structure. Some details are not shown in the figures.

It should be noted that the plurality of schemes provided in this patent include their own basic schemes, which are independent of each other and are not restricted to each other, but they may be combined with each other without conflict, so as to achieve a plurality of effects.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims.

Claims (7)

1. The respiratory valve calibration device is characterized by comprising a buffer (1), wherein the middle part of the buffer (1) is a hollow space, the hollow space inside the buffer (1) is connected with a vacuum pump (4) through a second regulating valve (F2), and the hollow space inside the buffer (1) is connected with a pressure source (3) through a first regulating valve (F1); the hollow space inside the buffer (1) is connected with more than one detection port (5).

2. The breather valve verifying unit of claim 1, wherein the one or more test ports (5) are adapted to be plugged or connected to a breather valve.

3. A breath valve calibration device according to claim 2, wherein said sensing port (5) is capable of being blocked by a blocking structure (6).

4. The breather valve verifying unit of claim 3, wherein the blocking structure (6) is a closed structure at the middle part, and the blocking structure (6) comprises an outer wall and an inner wall, and the outer wall and the inner wall can clamp the detection port wall (9); contain the screw thread on outer wall and the inner wall respectively, the outer wall is the internal thread inwards, and the inner wall is the external screw thread outwards, and the two can be installed on detecting the mouth with it and seal.

5. The breather valve calibration device of claim 1, wherein the one or more detection ports (5) have different calibers and are capable of interfacing with breather valves of different sizes.

6. The breather valve calibration device of claim 1, wherein the one or more test ports (5) are capable of mating with one or more sizes of flanges via a universal mating flange structure (12), the universal mating flange structure (12) comprising a mating flange plate (14), one side of the mating flange plate (14) being integrally formed with the test port; the middle part of the universal butt joint flange structure (12) comprises a through hole, more than one circle of clamping walls surround the through hole, and more than one clamping space is formed among the clamping walls; more than one ring of clamping walls are arranged on the closed part (13) of the butt flange (14); the breathing valve further comprises a pressing bolt (20), and the pressing bolt (20) can penetrate through more than one layer of clamping walls to press the outer wall of the breathing valve to fix the breathing valve on the outer wall.

7. The breather valve verifying device according to claim 1, wherein the one or more detection ports (5) are disposed upwardly on the console.

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