CN218381485U

CN218381485U - Pressure leakage test tool

Info

Publication number: CN218381485U
Application number: CN202222822411.1U
Authority: CN
Inventors: 刘小三
Original assignee: Jiangsu Yike Aviation Technology Co ltd
Current assignee: Jiangsu Yike Aviation Technology Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-01-24
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a pressure leakage test tool, which comprises a base and a test end cover, wherein the bottom of the base is provided with a bottom plate, the bottom provided with the bottom plate is provided with a safety valve communicated with the inside of the base, the front side of the base is provided with a pressure gauge for detecting the internal pressure intensity of the base, the rear side of the base is provided with a conversion joint A, the conversion joint A is communicated with one end of a conversion joint C through a pipeline, and the other end of the conversion joint C is communicated with a check valve; an adapter B is arranged on the left side wall of the base and is communicated with an air compressor through a pipeline; the test end cover is arranged at the top of the base through an inner hexagon bolt; space is controlled through the increase to this application, but remote operation, installation relief valve, logical valve control test pressure increase the test security, and through manometer real time monitoring pressure value change, whether can effectively judge the part qualified, unable adjustment base and other test pressure equipment only can realize the commonality that other parts detected through changing the switching structure.

Description

Pressure leakage test tool

Technical Field

The utility model relates to a leak testing technical field, concretely relates to pressure leak testing frock.

Background

Due to the nature of the product, many seal-type parts do not guarantee a complete seal. In actual production, the sealing part can be judged to be a qualified product by ensuring that the leakage amount of the sealing part in unit time is less than a certain standard value according to the working principle of the product. Because of the lack of accurate measurement values, many qualified parts are judged and scrapped, resulting in a great deal of cost waste.

The leakage test generally adopts a soap bubble method and a water pressure method, so that only whether the part has leakage can be detected, and an actual numerical value cannot be detected. The risk of excessive quality and product scrapping is often caused.

The disadvantages are as follows:

1) The pressure leakage test has certain potential safety hazard;

2) The leakage value of the product cannot be accurately judged, the quality is easy to be excessive, the product is scrapped, and the cost is wasted;

3) Product measurement interchangeability is not enough, needs to be directed at every part design test frock.

In view of the above disadvantages: but remote operation, in time detect and reveal data to can general test fixture need to be designed. The pressure leakage testing tool has the advantages of reducing safety risks, accurately judging the qualified condition of products, reducing labor intensity of workers and saving cost.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing a pressure leak test frock to solve the problem of mentioning in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the pressure leakage testing tool comprises a base and a testing end cover, wherein a bottom plate is installed at the bottom of the base, a safety valve communicated with the interior of the base is installed at the bottom of the bottom plate, a pressure gauge for detecting the internal pressure of the base is installed on the front side of the base, a conversion joint A is installed on the rear side of the base, the conversion joint A is communicated with one end of a conversion joint C through a pipeline, and the other end of the conversion joint C is communicated with a through valve;

an adapter B is arranged on the left side wall of the base and is communicated with an air compressor through a pipeline;

the test end cover is installed on the top of the base through the hexagon socket head cap screw.

By adopting the technical scheme: mounting a test end cover to be detected on a base; confirming that the check valve is in a closed state, and confirming the matching of the rated pressure of the safety valve and the required pressure of the detected part; according to the requirements of drawings, an air compressor is started to pressurize the interior of the base through a conversion joint B; observing the pressure gauge, and turning off the air compressor when the pressure is increased to meet the requirements of the drawing; if the pressure exceeds the specified pressure value of the part, the safety valve can be automatically opened to start pressure relief, and when the fixed pressure value of the part is reached, the safety valve is automatically closed to ensure the safety of personnel during detection; meanwhile, according to the counting of a stopwatch, the pressure reduction value of the test end cover in unit time is confirmed and recorded; after the workpiece is tested, opening the through-stop valve, releasing pressure, and after the internal pressure and the external pressure of the base are balanced, easily disassembling the hexagon socket head cap screw; when other parts need to be tested, can pass through the switching structure with the test part and connect on the anchor clamps body, convenient and fast, the space is controlled through the increase to this application, but remote operation, installation relief valve, logical valve control test pressure increase test security, through manometer real time monitoring pressure numerical value change, can effectively judge whether qualified the part, unable adjustment base and other test pressure equipment only can realize the commonality that other parts detected through changing the switching structure.

Preferably, a sealing gasket is arranged between the testing end cover and the base.

By adopting the technical scheme: the tightness between the test end cover and the base is improved.

Preferably, the base and the test end cover are provided with ten threaded holes at least at equal angles, and the hexagon socket head cap screw is sleeved with a gasket.

By adopting the technical scheme: through the effect of packing ring, the effectual hexagon socket head cap bolt that prevents goes out gas leakage, has improved the leakproofness between test end cover and the base.

Preferably, the adapter A, the adapter B and the adapter C are both double-end external thread adapters.

Preferably, the on-off valve is a J13W female screw needle valve.

Preferably, the base is arranged in a barrel shape.

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

space is controlled through the increase to this application, but remote operation, installation relief valve, logical valve control test pressure increase the test security, and through manometer real time monitoring pressure value change, whether can effectively judge the part qualified, unable adjustment base and other test pressure equipment only can realize the commonality that other parts detected through changing the switching structure.

Drawings

Fig. 1 is a left side view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a top view of the base of the present invention;

fig. 4 is a left side sectional view of the present invention.

Reference numerals: 1. a pressure gauge; 2. a base; 21. a threaded hole; 3. a sealing gasket; 4. testing the end cover; 5. a gasket; 6. a hexagon socket head cap screw; 71. a crossover sub A; 72. a crossover sub B; 8. a pass-stop valve; 9. a crossover sub C; 10. a base plate; 11. a safety valve; 12. an air compressor.

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 efforts all belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, the pressure leakage testing tool includes a base 2, the base 2 is in a cylindrical shape, and other shapes can be set according to actual requirements;

the bottom of the base 2 is provided with a bottom plate 10, the bottom provided with the bottom plate 10 is provided with a safety valve 11 communicated with the interior of the base 2, the front side of the base 2 is provided with a pressure gauge 1 for detecting the internal pressure intensity of the base, the rear side of the base 2 is provided with a conversion joint A71, the conversion joint A71 is communicated with one end of a conversion joint C9 through a pipeline, the other end of the conversion joint C9 is communicated with a through-stop valve 8, the through-stop valve 8 is a J13W internal thread needle valve, the sealing performance is good, the service life is long, and the base can be continuously used only by replacing vulnerable parts even if a sealing surface is damaged;

an adapter B72 is installed on the left side wall of the base 2, the adapter B72 is communicated with the air compressor 12 through a pipeline, and the adapter A71, the adapter B72 and the adapter C9 are double-end external thread adapters;

the test end cap 4 is mounted on top of the base 2 by means of socket head cap bolts 6.

In order to improve the sealing performance between the test end cover 4 and the base 2, a sealing gasket 3 is arranged between the test end cover 4 and the base 2; the base 2 and the test end cover 4 are at least provided with ten threaded holes 21 at equal angles, and the inner hexagon bolt 6 is sleeved with a gasket 5.

The sealing performance between the test end cover 4 and the base 2 is improved through the sealing gasket 3; through the effect of packing ring 5, effectual hexagon socket head cap screw 6 that prevents goes out gas leakage, has improved the leakproofness between test end cover 4 and the base 2.

The testing steps are as follows:

1. confirming that the check valve 8 is in a closed state, and confirming that the rated pressure of the safety valve 11 is matched with the required pressure of the detected part;

2. according to the requirements of the drawing, starting the air compressor 12 to pressurize the interior of the base 2 through a conversion joint B72;

3. observing the pressure gauge 1, and turning off the air compressor 12 when the pressure increases to meet the requirement of a drawing; if the pressure exceeds the specified pressure value of the part, the safety valve 11 can be automatically opened to start pressure relief, and when the fixed pressure value of the part is reached, the safety valve 11 is automatically closed to ensure the safety of personnel during detection; meanwhile, the pressure reduction value of the test end cover 4 in unit time can be confirmed and recorded according to the counting of a stopwatch;

4. after the workpiece is tested, the through-stop valve 8 is opened to release pressure, and after the internal pressure and the external pressure of the base 2 are balanced, the hexagon socket head cap screw 6 can be easily disassembled;

when other parts need to be tested, the test parts can be connected to the clamp body through the switching structure, and the test clamp is convenient and quick.

To sum up, the present application: the operation danger is reduced during pressure test, the leakage quantity value of the part in unit time can be monitored, and the interchangeability of product measurement is increased.

But remote operation in time detects and reveals the data to can general test fixture. Safety risks are reduced, the qualified condition of the product is accurately judged, the labor intensity of workers is reduced, and the cost is saved;

for similar parts, the tool can be used, and can effectively monitor and record pressure value changes and accurately judge whether the parts are qualified or not;

space is controlled through the increase to this application, but remote operation, and installation relief valve 11, logical check valve 8 control test pressure increase the test security, through 1 real time monitoring pressure value changes of manometer, can effectively judge whether qualified part, and unable adjustment base 2 and other test pressure equipment only can realize the commonality that other parts detected through changing the switching structure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Pressure leak test frock, including base (2) and test end cover (4), bottom plate (10), its characterized in that are installed to the bottom of base (2): a safety valve (11) communicated with the interior of the base (2) is installed at the bottom of the base (10), a pressure gauge (1) for detecting the internal pressure is installed on the front side of the base (2), a conversion joint A (71) is installed on the rear side of the base (2), the conversion joint A (71) is communicated with one end of a conversion joint C (9) through a pipeline, and a through-stop valve (8) is communicated with the other end of the conversion joint C (9);

an adapter B (72) is installed on the left side wall of the base (2), and the adapter B (72) is communicated with the air compressor (12) through a pipeline;

the testing end cover (4) is installed at the top of the base (2) through an inner hexagon bolt (6).

2. The pressure leak test tool according to claim 1, characterized in that: and a sealing gasket (3) is arranged between the testing end cover (4) and the base (2).

3. The pressure leak test tool according to claim 1, characterized in that: the base (2) with test end cover (4) all wait the angle and are equipped with ten screw holes (21) at least, the cover is equipped with packing ring (5) on hexagon socket head cap screw (6).

4. The pressure leak test tool according to claim 1, characterized in that: and the adapter A (71), the adapter B (72) and the adapter C (9) are both double-end external thread adapters.

5. The pressure leak test tool according to claim 1, characterized in that: the open-close valve (8) is a J13W internal thread needle valve.

6. The pressure leak test tool according to claim 1, characterized in that: the base (2) is arranged in a barrel shape.