CN218725042U - Air tightness detection device - Google Patents

Abstract

The embodiment of the utility model discloses gas tightness detection device relates to gas tightness and detects technical field, invents in order to improve the efficiency that carries out the gas tightness to the device under test and detect. The air tightness detection device comprises an air cavity and a water tank, wherein at least one pipeline is arranged between the air cavity and the water tank, the air cavity and the water tank are communicated through the at least one pipeline, and the first end of the at least one pipeline is positioned in the water tank; the air chamber is connected with an air valve switch. The method is suitable for application scenes in which the efficiency of detecting the air tightness of the device to be detected needs to be improved.

Description

Air tightness detection device

Technical Field

The utility model relates to an air tightness detects technical field. In particular to an air tightness detection device.

Background

At present, when the air tightness of a product is detected, whether the inside of the product is damaged or not is generally detected through an endoscope and an illuminating tool, if the inside of the product is damaged, an online assembly test is carried out on the product, and whether the air tightness of the product meets the requirement or not is determined. It is understood that the detection of the presence or absence of a breakage inside the product by observing all the areas inside the product through the endoscope and the illumination means is inefficient.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides an airtightness detection device is convenient for improve and carries out the efficiency that the airtightness detected to the device under test.

In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:

the embodiment of the utility model provides an air tightness detection device, which comprises an air cavity and a water tank, wherein at least one pipeline is arranged between the air cavity and the water tank, the air cavity is communicated with the water tank through the at least one pipeline, and the first end of the at least one pipeline is positioned in the water tank; the air chamber is connected with an air valve switch.

According to the utility model discloses a concrete implementation mode, at least one pipeline includes first pipeline and second pipeline, the pipe diameter of the first end of first pipeline with the pipe diameter of the first end of second pipeline is different.

According to a specific implementation manner of the embodiment of the present invention, the air cavity is located below the water tank, and the top plate of the air cavity is the bottom plate of the water tank; the at least one pipeline is arranged on the bottom plate of the water tank.

According to the utility model discloses a concrete implementation mode, be equipped with the valve in at least one pipeline.

According to the utility model discloses a concrete mode of realization, the air cavity still is connected with the air-vent valve.

According to the utility model discloses a concrete implementation mode, the bottom of air cavity still is connected with the drain valve.

According to the utility model discloses a concrete implementation mode, the first end of at least one links to each other with the first end of flexible switching pipe in at least one pipeline, the second end of flexible switching pipe is connected with the adapter.

According to a specific implementation manner of the embodiment of the present invention, the at least one pipeline includes a first pipeline and a second pipeline, the flexible adapter tube includes a first flexible adapter tube and a second flexible adapter tube, and the adapter includes a first adapter and a second adapter; the first end of the first pipeline is connected with the first end of the first flexible adapter tube, the second end of the first flexible adapter tube is connected with the first end of the first adapter, the first end of the second pipeline is connected with the first end of the second flexible adapter tube, and the second end of the second flexible adapter tube is connected with the first end of the second adapter; the internal diameter of the second end of first adapter is different with the internal diameter of the second end of second adapter, perhaps, the external diameter of the second end of first adapter is different with the external diameter of the second end of second adapter.

According to the utility model discloses a concrete implementation mode, the air cavity has aerating device through the trachea connection, air valve switch establishes the air cavity with between the aerating device.

According to a specific implementation manner of the embodiment of the present invention, at least a part of the shell of the air cavity is a transparent structure, and the transparent structure corresponds to one end of the at least one pipeline located in the air cavity; the air chamber is connected with an air extractor through an air pipe, and the air valve switch is arranged between the air chamber and the air extractor.

The embodiment of the utility model provides a pair of gas tightness detection device, including air cavity and basin, be equipped with at least one pipeline between air cavity and basin, at least one pipeline is linked together air cavity and basin, and the first end of at least one pipeline is located the basin, and thus, when detecting, the first end of at least one pipeline can be connected with the device under test, can contain the liquid that has not crossed the device under test in the basin, whether the liquid level department corresponding with the device under test through observing liquid in the basin has the bubble to produce, perhaps whether have liquid in the air cavity can accomplish the gas tightness detection to the device under test, thereby be convenient for improve the efficiency that carries out the gas tightness detection to the device under test.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an air-tightness detecting device according to an embodiment of the present invention;

fig. 2 is a schematic view of a bottom plate of a water tank of an air tightness detecting device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a device under test for detecting an air-tightness detecting device according to an embodiment of the present invention.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

It should be understood that the described embodiments are only some, and not all embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, an air tightness detecting device provided in an embodiment of the present invention includes an air cavity 1 and a water tank 2, at least one pipeline 3 is disposed between the air cavity 1 and the water tank 2, the air cavity 1 and the water tank 2 are communicated by the at least one pipeline 3, and a first end of the at least one pipeline 3 is located in the water tank 2; the air chamber 1 is connected with an air valve switch 4.

The air cavity 1 can also be called as an air chamber, an air cabin, an air supply cavity 1 and the like, and can be a cavity with a sealed and hollow interior, and the material of the cavity can be metal material or nonmetal material with certain rigidity.

The gas valve switch 4 may be a one-way valve.

The water tank 2 may also be called a water chamber, a water sump, a water tank, etc., and may be a tank body with an opening at the top, and the water tank may be made of a metal material or a non-metal material with certain rigidity. Use the embodiment of the utility model provides an air tightness detection device carries out the gas tightness to being surveyed the device and detects time, can be to leading to water in the basin 2, also can let in other liquid.

The pipe 3 may also be called a pipe, an air supply pipe, a conducting member, etc., and may be made of metal or plastic. According to the air tightness test requirement, one pipeline 3 can be arranged between the air cavity 1 and the water tank 2, and a plurality of pipelines 3 can also be arranged so as to simultaneously detect the air tightness of a plurality of tested devices.

The embodiment of the utility model provides an airtightness detection device, including air cavity 1 and basin 2, be equipped with at least one pipeline 3 between air cavity 1 and basin 2, at least one pipeline 3 is linked together air cavity 1 and basin 2, and the first end of at least one pipeline 3 is located basin 2, thus, when detecting, the first end of at least one pipeline 3 can be connected with the device under test, can contain the liquid that does not cross the device under test in the basin 2, whether the liquid locates to have the bubble to produce through the corresponding liquid level of observing liquid in the basin 2 with the device under test, perhaps whether have liquid in the air cavity 1 can accomplish the gas tightness detection to the device under test, thereby be convenient for improve the efficiency that carries out the gas tightness detection to the device under test.

In order to enable the air tightness detection device to simultaneously detect connection of detected devices with different sizes, in one embodiment, the at least one pipeline includes a first pipeline and a second pipeline, and a pipe diameter of a first end of the first pipeline is different from a pipe diameter of a first end of the second pipeline. In this way, a first device under test having a first size can be measured through the first pipeline, and a second device under test having a second size can be measured through the second pipeline, thereby enabling simultaneous testing of devices under test of different sizes.

The at least one pipeline comprises a first pipeline and a second pipeline, which is an exemplary expression, and the at least one pipeline may further comprise other pipelines and the like according to actual needs.

Referring to fig. 1 and 2, in order to make the structure of the air-tightness detecting device compact and reduce the production cost of the air-tightness detecting device, in one embodiment, the air cavity 1 is located below the water tank 2, and the top plate of the air cavity 1 is the bottom plate 201 of the water tank 2; the at least one pipe 3 is provided on the bottom plate 201 of the water tank 2.

In one example, the at least one pipe 3 is arranged in an array on the floor 201 of the basin 2.

Compared with the air cavity 1 and the water tank 2 which are two independent parts separated from each other, the air cavity 1 and the water tank 2 share the bottom plate 201 of the water tank 2, so that the structure of the air tightness detection device is compact, materials required by the production of the air tightness detection device are reduced, and the production cost of the air tightness detection device is reduced.

Specifically, a water-air partition plate abutting against each side wall of the accommodating cavity may be disposed in the accommodating cavity having an opening at the top and including a bottom plate and side walls to obtain the air cavity 1 and the water tank 2, where the water-air partition plate is not only a top plate of the air cavity 1 but also a bottom plate 201 of the water tank 2. Wherein, the aqueous vapor baffle also can hold chamber integrated into one piece.

When the air tightness detecting device is used to detect a device to be detected, only a part of the at least one pipeline 3 between the air chamber 1 and the water tank 2 may be used, and the unused pipeline 3 in the at least one pipeline 3 between the air chamber 1 and the water tank 2 may be temporarily blocked using a blocking member. In one example, a threaded hole is formed in the bottom plate 201 of the water tank 2, an external thread is formed in the outer wall of the pipeline, the pipeline is in threaded connection with the threaded hole, when the air tightness detection device detects a device to be detected only by using part of the pipeline 3 in at least one pipeline 3 between the air cavity 1 and the water tank 2, the pipeline is taken out of the threaded hole, and the threaded hole is plugged by using a bolt matched with the threaded hole, so that the pipeline 3 which is not used in at least one pipeline 3 between the air cavity 1 and the water tank 2 is temporarily plugged. The tested device can be a silica gel water pipe with air tightness requirement, a hot-melt assembly product or a sealing functional product.

If the liquid in the water tank 2 enters the air cavity 1 through the pipeline 3, on one hand, along with the liquid loss in the water tank 2, the liquid in the water tank 2 can not submerge the tested equipment, on the other hand, along with the increase of the liquid in the air cavity 1, the liquid in the air cavity 1 can submerge the air vent corresponding to the air valve switch 4 in the air cavity 1, so that the difficulty of providing gas for the tested equipment through the air cavity 1 is increased, and the normal work of the air tightness testing equipment is influenced.

Referring to fig. 1, in order to be able to replace the device under test when the reservoir 2 contains liquid, in an embodiment a valve 301 is provided in the at least one conduit 3. The valve 301 may be a ball valve, such as a stainless steel ball valve.

When using the embodiment of the utility model provides an airtightness detection device detects the device under test, through the knob that rotates valve 301, opens valve 301, can let in gas in to the device under test, after the detection to the device under test, through the knob that rotates valve 301, closes valve 301, can prevent that the liquid in basin 2 from passing through during pipeline 3 gets into air cavity 1, is convenient for change equipment under test when filling liquid in basin 2 from this.

Furthermore, using the embodiment of the utility model provides an airtightness detection device carries out the gas tightness before detecting to the device under test, can detect the gas tightness of valve 301, for example close behind the valve 301, let in liquid in to basin 2, observe whether to flow in liquid in the air cavity 1, if do not flow in liquid then prove that the gas tightness of valve 301 accords with the standard, otherwise prove that the gas tightness of valve 301 does not accord with the standard.

Referring to fig. 1, in order to discharge the liquid in the water tank 2 from the airtightness detection apparatus after the detection of the device under test is completed, a drain valve 5 is further connected to the bottom of the air chamber 1 in one embodiment. The water discharge valve 5 may be a ball valve, such as a stainless steel ball valve.

Thus, by separating the device to be tested from the first end of the pipeline 3 located in the water tank 2, the liquid in the water tank 2 can be discharged into the air cavity 1 through the pipeline 3, and by opening the drain valve 5 on the air cavity 1, the liquid in the air cavity 1 can be discharged out of the air cavity 1, so that the liquid in the water tank 2 can be discharged from the air tightness detection device.

A drain line may be separately provided between the air chamber 1 and the water tank 2, and the line 3 other than the drain line is closed when the liquid in the water tank 2 is discharged from the airtightness detection apparatus, so as to prevent the line 3 other than the drain line from being contaminated during the drainage process.

In order to discharge the liquid in the water tank 2 from the air tightness detecting device more conveniently, in another embodiment, the first side wall of the air cavity 1 is a second side wall of the water tank 2, at least one pipeline 3 is arranged on the second side wall of the water tank 2, and a first drain valve 5 is further connected to the bottom of the water tank 2.

At this time, the water tank 2 is disposed adjacent to the air chamber 1 in parallel. In this way, the liquid in the tank 2 can be discharged from the liquid tank 2 by opening the first drain valve 5, and the liquid in the tank 2 can be discharged from the airtightness detection apparatus.

Referring to fig. 1, in order to prevent the pressure in the air chamber 1 from being too high to damage the device under test, in one embodiment, a pressure regulating valve 6 is further connected to the air chamber 1.

The pressure regulating valve 6, also called a pressure reducing valve, is used to maintain the pressure in the chamber and reduce its pressure decay as much as possible.

Thus, by arranging the pressure regulating valve 6 on the air cavity 1, when the pressure of the gas introduced into the air cavity 1 is too high, the gas can be discharged out of the air cavity 1 through the pressure regulating valve 6, so that the pressure of the gas in the air cavity 1 is kept near the pressure value required by detection.

In another embodiment, a barometer is also connected to the air cavity 1. Like this, through the registration of observing the barometer, can confirm the gas pressure value in the air cavity 1, when the gas pressure value in the air cavity 1 was too high, open gas valve switch 4 and discharge some gas to the air cavity 1 outside, make the gas pressure in the air cavity 1 keep near detecting required pressure value.

In another embodiment, a first air pipe is connected between the air inlet end of the pressure regulating valve 6 and the air supply device, and a second air pipe is connected between the air outlet end of the pressure regulating valve 6 and the air valve switch 4. The pressure regulating valve 6 may reduce the pressure of the gas at the inlet end to a predetermined pressure value, and discharge the gas from the outlet end.

Like this, through set up the air-valve between air valve switch 4 and gas supply unit, adjust the required pressure value of gas pressure for detecting of the exit end of air-valve, when can making the gas pressure in the air cavity for detecting required pressure value, the gas that the air-valve exit end provided can't get into the air cavity to can prevent that pressure is too high and damage in the air cavity 1 is surveyed the device.

Referring to fig. 3, in order to reduce the depth of liquid required to submerge the device under test, in one embodiment, the first end of at least one of the at least one tubing 3 is connected to the first end of a flexible adapter tube 7. That is, the first end of the partial pipeline 3 is connected with the flexible adapting pipe 7, the remaining pipeline 3 is not connected with the flexible adapting pipe 7, and the partial pipeline 3 and the remaining pipeline 3 form all the pipelines 3 between the air cavity 1 and the water tank 2.

The flexible adapter tube 7 has good toughness, and the flexible adapter tube 7 can be bent according to the test requirement, so that the device to be tested is completely immersed in water at the lowest height, and the device to be tested in different shapes can be measured by using the minimum liquid depth. For example, when the device to be tested is the Z-shaped rubber hose 11, the Z-shaped rubber hose 11 can be flatly placed at the bottom of the water tank 2 by bending the flexible adapter tube 7, so that the liquid depth required for submerging the Z-shaped rubber hose 11 is reduced. In one example, a G1/8 threaded connector is provided on the first end of the tubing 3 and the flexible adapter tube 7 is connected to the G1/8 threaded connector.

In order to facilitate the measurement of devices under test having different inner diameters, in one embodiment, the second end of the flexible adapter tube 7 is connected to an adapter 8. Wherein, the size of the first end of adapter 8 and the size looks adaptation of the first end that pipeline 3 is located basin 2, the size and the measured device looks adaptation of the second end of adapter 8.

In order to facilitate simultaneous measurement of devices under test having different inner diameters, in an embodiment, the at least one pipeline includes a first pipeline and a second pipeline, the flexible transfer tubes include a first flexible transfer tube and a second flexible transfer tube, and the adapters include a first adapter and a second adapter; the first end of the first pipeline is connected with the first end of the first flexible adapter tube, the second end of the first flexible adapter tube is connected with the first end of the first adapter, the first end of the second pipeline is connected with the first end of the second flexible adapter tube, and the second end of the second flexible adapter tube is connected with the first end of the second adapter; the second end of the first adapter has an inner diameter different from an inner diameter of the second end of the second adapter.

Thus, when the outer diameters of the connecting ports of the first device to be measured and the second device to be measured are different, the connecting port of the first device to be measured can be inserted into the first adapter which is matched with the first adapter, the first device to be measured is measured through the first adapter, the connecting port of the second device to be measured is inserted into the second adapter which is matched with the second adapter, and the second device to be measured is measured through the second adapter, so that the devices to be measured with different outer diameters can be measured simultaneously.

In another embodiment, an outer diameter of the second end of the first adapter is different from an outer diameter of the second end of the second adapter

Therefore, when the inner diameters of the connecting ports of the first measured device and the second measured device are different, the first adapter can be inserted into the connecting port of the first measured device in a matched mode, the first measured device is measured through the first adapter, the second adapter is inserted into the connecting port of the second measured device in a matched mode, the second measured device can be measured through the second adapter, and therefore the measured devices with different inner diameters can be measured simultaneously.

In this embodiment, the inner diameters of the first ends of the first pipeline and the second pipeline may be the same, the outer diameters of the first ends of the first flexible adapter tube and the second flexible adapter tube may be the same, and the inner diameters and the outer diameters are matched. The inner diameters of the first ends of the first pipeline and the second pipeline can be different, the outer diameter of the first end of the first flexible adapter tube is matched with the inner diameter of the first end of the first pipeline, and the outer diameter of the first end of the second flexible adapter tube is matched with the inner diameter of the first end of the second pipeline. In addition, the same as above, at least one pipeline includes first pipeline and second pipeline, flexible switching pipe includes first flexible switching pipe and the flexible switching pipe of second, the adapter includes first adapter and second adapter, is an exemplary expression, according to actual need, at least one pipeline can also include other pipelines, flexible switching pipe can also include other flexible switching pipes, the adapter can also include other adapters.

Adapter 8 is equipped with central through-hole, and the specification of adapter 8 that links to each other with the second end of flexible switching pipe 7 can have the multiple, and in an example, the size of the first end of the adapter 8 of different specifications is the same, all is located the size looks adaptation of the first end of basin 2 with pipeline 3, and the size of the second end of the adapter 8 of different specifications is different, can with different measured device looks adaptations, from this, the utility model provides an air tightness detection device can measure the measured device that has different internal diameters.

In order to facilitate the introduction of gas into the gas chamber 1, in one embodiment, the gas chamber 1 is connected with an inflation device through a gas pipe, and the gas valve switch 4 is arranged between the gas chamber 1 and the inflation device. The inflation device may be an air pump.

The gas valve switch 4 is also called an automatic valve, and the opening and closing of the gas valve switch 4 are controlled by the gas pressure difference inside and outside the gas cavity 1 and the spring of the gas valve switch 4.

Use the embodiment of the utility model provides an air tightness detection device carries out the gas tightness to the device under test and detects time measuring, can link to each other with the device under test with the first end that pipeline 3 is located basin 2 earlier, lead to liquid in the basin 2 again, after the degree of depth of liquid has not passed the device under test, stop leading to liquid in the basin 2, then be connected air valve switch 4 with air feeder, open air valve switch 4 so that air feeder lets in gas to air cavity 1, and through pipeline 3 between air cavity 1 and the basin 2, let in with gas in the device under test that pipeline 3 is located the first end of basin 2 links to each other, if the liquid in basin 2 with by the corresponding liquid level of device under test on not producing the bubble, for example at the periphery that is surveyed the device not producing the bubble, then prove that the gas tightness of the device under test is up to standard, otherwise prove that the gas tightness of the device under test is not up to standard. In one example, the device to be measured is a silica gel water pipe, and the pressure of the gas introduced into the air cavity 1 by the gas supply device is 0.1-0.4Mpa (Mpa).

The embodiment of the utility model provides an airtightness detection device can detect the device to be surveyed through the gas that lets in to air cavity 1, outside detecting the device to be surveyed, can also be through the gas in extraction air cavity 1.

In order to detect the device to be detected by extracting the gas in the gas cavity 1, in an embodiment, at least a part of a shell of the gas cavity 1 is a transparent structure, and the transparent structure corresponds to one end, located on the gas cavity 1, of the at least one pipeline 3; the air chamber 1 is connected with an air extractor through an air pipe, and the air valve switch 4 is arranged between the air chamber 1 and the air extractor.

The material of transparent structure can be ya keli material, and transparent material is corresponding with the one end that each pipeline 3 is located air cavity 1 to it has liquid outflow to ensure to observe in each pipeline 3. The air extraction device may be an air extractor.

Use the embodiment of the utility model provides an air tightness detection device carries out the gas tightness to being surveyed the device and examines time measuring, can link to each other with being surveyed the device with the first end that pipeline 3 is located basin 2 earlier, leads to liquid in basin 2 again, after the degree of depth of liquid has not been surveyed the device, stops leading to liquid in basin 2, then is connected air valve switch 4 with air exhaust device, opens air valve switch 4 so that air exhaust device extracts the gas in air cavity 1 form the negative pressure zone in the air cavity 1, if the gas tightness of being surveyed the device is not up to standard, then during the pressure differential between atmospheric pressure and the negative pressure zone will make the liquid infiltration in basin 2 is surveyed the device, then be located the first end entering pipeline 3 in basin 2 through the way that links to each other with being surveyed the device to flow in the one end that is located air cavity 1 from pipeline 3, otherwise can prove to be up to standard by being surveyed the gas tightness of device.

With reference to fig. 1, for ease of handling, in one embodiment legs 9 are provided on the circumference of the bottom of the air cavity 1.

In particular, three legs 9, or four legs 9, may be provided in the circumferential direction of the bottom of the air cavity 1. The legs 9 can be screwed to the bottom of the air cavity 1. For example, embedded screw threads are embedded at the bottom of the air cavity 1, and threaded holes are arranged on the supporting legs 9, and the embedded screw threads are positioned in the threaded holes. The height of the legs 9 may be determined according to the height of the air chamber 1 and the height of the sink 2 so that the height of the sink 2 is convenient for a user to operate. The height of the legs 9 may be 0.5 metres, for example when the air cavity 1 is located below the flume 2, and the height of the legs 9 may be 1 metre when the air cavity 1 is located adjacent the flume 2.

In addition, the bottom of the supporting leg 9 can be provided with a roller so as to move the air tightness detection device and increase the flexibility of use.

Use the embodiment of the utility model provides an when gas tightness detection device detects the device under test that has a plurality of openings, be equipped with end cap 10 on a plurality of openings of the device under test respectively, the aforesaid is equipped with a plurality of openings of end cap 10 and is the opening except the opening of the device under test that links to each other with the first end of the pipeline that is located basin 2. The plug 10 may be made of rubber, and is in interference fit with the opening of the device to be tested, so as to prevent the plug 10 from being separated by the pressure of the gas introduced from the gas cavity 1 into the device to be tested. In order to further prevent the stopper 10 from being released by the pressure of the gas passing from the gas chamber 1 into the device under test, a clamping member, such as a clip, may be provided on the outside of the stopper 10. In one example, the device to be tested is a silicone water pipe, and the plug 10 can bear the air pressure of 0.4Mpa without departing from the opening of the silicone water pipe to be tested.

Through using the embodiment of the utility model provides an air tightness detection device can make whether the convenient definite silica gel water pipe of user leaks, is convenient for carry out the in-process of small batch purchase handing-over or selective examination with the supplier, judges whether the silica gel water pipe that it sent to can accord with the receiving standard.

It should be noted that, in this document, the described aspects of the embodiments are different, but there is a certain correlation between the embodiments, and in understanding the aspects of the present invention, the embodiments may refer to each other; moreover, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The air tightness detection device is characterized by comprising an air cavity and a water tank, wherein at least one pipeline is arranged between the air cavity and the water tank, the air cavity and the water tank are communicated through the at least one pipeline, and the first end of the at least one pipeline is positioned in the water tank;

the air chamber is connected with an air valve switch.

2. The device of claim 1, wherein the at least one conduit comprises a first conduit and a second conduit, a first end of the first conduit having a different tube diameter than a first end of the second conduit.

3. The apparatus of claim 1, wherein the air cavity is located below the sink, and a top plate of the air cavity is a bottom plate of the sink; the at least one pipeline is arranged on the bottom plate of the water tank.

4. The apparatus of claim 1, wherein a valve is disposed in the at least one conduit.

5. The apparatus of claim 1, wherein a pressure regulating valve is further connected to the air chamber.

6. The apparatus of claim 3, wherein a drain valve is further connected to the bottom of the air chamber.

7. The apparatus of claim 1, wherein a first end of at least one of the at least one conduit is connected to a first end of a flexible adapter tube, and wherein an adapter is connected to a second end of the flexible adapter tube.

8. The apparatus of claim 7, wherein the at least one tubing includes a first tubing and a second tubing, the flexible adapter tube includes a first flexible adapter tube and a second flexible adapter tube, and the adapter includes a first adapter and a second adapter;

the first end of the first pipeline is connected with the first end of the first flexible adapter tube, the second end of the first flexible adapter tube is connected with the first end of the first adapter, the first end of the second pipeline is connected with the first end of the second flexible adapter tube, and the second end of the second flexible adapter tube is connected with the first end of the second adapter;

the internal diameter of the second end of first adapter is different with the internal diameter of the second end of second adapter, perhaps, the external diameter of the second end of first adapter is different with the external diameter of the second end of second adapter.

9. The device of claim 1, wherein the air chamber is connected to an inflation device through an air tube, and the air valve switch is arranged between the air chamber and the inflation device.

10. The apparatus of claim 1, wherein the housing of the air cavity is at least partially of a transparent construction corresponding to an end of the at least one conduit at the air cavity;

the air chamber is connected with an air extractor through an air pipe, and the air valve switch is arranged between the air chamber and the air extractor.

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