CN216394996U

CN216394996U - Anti-backflow humidifying cup

Info

Publication number: CN216394996U
Application number: CN202121801580.6U
Authority: CN
Inventors: 吴伟; 陈合金
Original assignee: Guangdong Cawolo Hydrogen Technology Co Ltd
Current assignee: Guangdong Cawolo Hydrogen Technology Co Ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-04-29
Anticipated expiration: 2031-08-03

Abstract

The utility model relates to an anti-backflow humidifying cup, which belongs to the field of humidifying cup equipment and comprises a cup cover, a breather pipe and a one-way valve, wherein the inlet of the one-way valve is connected with the air inlet of the cup cover, the outlet of the one-way valve is connected with one end of the breather pipe, and the air outlet end of the breather pipe extends into the humidifying cup. The utility model discloses an anti-backflow humidification cup, which aims to solve the problem that water in the cup flows back after the use of equipment is stopped.

Description

Anti-backflow humidifying cup

Technical Field

The utility model relates to the field of humidifying cup equipment, in particular to an anti-backflow humidifying cup.

Background

The humidifying cup is generally used for gas discharge of a hydrogen production machine or an oxygen production machine, water is contained in the humidifying cup, gas to be treated is introduced below the water surface through a gas conveying pipe, and when dissolved gas in the water is saturated, the gas flows out from the water surface in a bubble mode and is finally transferred to a position to be applied through the gas conveying pipe. Gas passes through water for the water content increase of gas, and water has the filtering action to gas simultaneously, makes inspiratory gas cleaner, and the user uses more comfortablely.

The humidifying cup in the prior art adopts the pipe body to be directly inserted underwater, when an instrument is stopped to be used at the back, the air pressure in the pipeline of the humidifying cup is smaller than the atmospheric pressure in the cup after the air with higher temperature in the pipeline in the original machine is cooled, so that the water in the cup flows back, and the water level in the cup is reduced. Therefore, the user needs to add water frequently, and the workload of the user is increased invisibly, which is not beneficial to improving the use experience.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the anti-backflow humidification cup, which solves the problem that water in the cup flows back after the use of equipment is stopped.

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

the utility model provides an anti-backflow humidifying cup which comprises a cup cover, a breather pipe and a one-way valve, wherein the inlet of the one-way valve is connected with the air inlet of the cup cover, the outlet of the one-way valve is connected with one end of the breather pipe, and the air outlet end of the breather pipe extends into the humidifying cup.

The utility model has the preferable technical scheme that the one-way valve comprises a flow resisting cover, a spring, a bottom part, an annular side part and a shell, wherein one end of the bottom part is abutted against a groove of the shell, the bottom part is provided with an opening, one end of the spring is abutted against a supporting frame of the bottom part, the other end of the spring is abutted against one end of the flow resisting cover, the annular side part is positioned in a first inner channel of the shell, one end of the annular side part is abutted against the bottom of the bottom part, the flow resisting cover is positioned in the first inner channel, and the shape of the flow resisting cover is matched with the inner ring opening of the annular side part.

The utility model has the preferable technical scheme that the device comprises a flow stabilizing column, one end of the flow stabilizing column is fixedly connected with one end of a flow blocking cover, the other end of the flow stabilizing column extends to a bottom part, and the flow stabilizing column penetrates through a spring.

The utility model has the preferable technical scheme that the choke cover comprises a first sealing ring, the choke cover is provided with a first sealing ring groove, the first sealing ring is positioned in the first sealing ring groove, and the first sealing ring is abutted to the inner ring opening.

The utility model preferably has the technical scheme that the sealing device comprises a second sealing ring, the second sealing ring is positioned between the outer side of the annular side part and the first inner channel of the shell, the second sealing ring is abutted against the outer side of the annular side part, and the second sealing ring is abutted against the first inner channel of the shell.

The utility model preferably adopts the technical scheme that the valve comprises a first sleeve piece, one end of the first sleeve piece is sleeved and matched with the air inlet, and the other end of the first sleeve piece is sleeved and matched with the inlet pipe of the one-way valve element.

The utility model preferably adopts the technical scheme that the air vent pipe comprises a second sleeve part, one end of the second sleeve part is in sleeve fit with an outlet pipe of the one-way valve, and the other end of the second sleeve part is in sleeve fit with one end of the air vent pipe.

The utility model preferably adopts the technical scheme that the device comprises a dispersion piece, and one end of the dispersion piece is connected with the air outlet end of the vent pipe.

The utility model has the preferable technical scheme that one end of the dispersion piece is provided with a plurality of rectangular openings which are centrosymmetric.

The utility model preferably has the technical scheme that the dispersing piece comprises an elongated ring pipe, and the elongated ring pipe is positioned outside the vent pipe.

The utility model has the beneficial effects that:

the utility model provides an anti-backflow humidifying cup, when the humidifying cup is stopped to be used, air which does not pass through a vent pipe is gradually cooled to enable the air pressure to be lower than the external atmospheric pressure, the structure prevents water in the humidifying cup from flowing back through a structure with a one-way valve, and the bad experience that a user needs to frequently add water to the humidifying cup in the past is reduced.

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, and 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 these drawings without creative efforts.

FIG. 1 is a cross-sectional view of an anti-reflux humidifying cup of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at point A;

FIG. 3 is a block diagram of the bottom member of a non-return humidification cup of the present invention;

fig. 4 is a block diagram of a dispersion member of a backflow prevention humidification cup of the present invention.

In the figure:

1. a cup cover; 11. an air inlet; 2. a breather pipe; 21. an air outlet end; 3. a one-way valve element; 31. an inlet; 32. an outlet; 33. a choke cover; 331. a first seal ring groove; 34. a spring; 35. a bottom member; 351. an opening; 352. a support frame; 36. an annular side member; 361. an inner annular opening; 37. a housing; 371. A groove; 372. a first inner channel; 4. a flow stabilizing column; 5. a first seal ring; 6. a second seal ring; 7. a first kit; 8. a second kit; 9. a dispersion member; 91. a rectangular opening; 92. the collar is lengthened.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 4, the anti-backflow humidification cup provided in this embodiment includes a cup cover 1, a vent pipe 2 and a one-way valve element 3, an inlet 31 of the one-way valve element 3 is connected with an air inlet 11 of the cup cover 1, an outlet 32 of the one-way valve element 3 is connected with one end of the vent pipe 2, and an air outlet 21 of the vent pipe 2 extends into the humidification cup. When stopping the humidifying cup and using, the gas that has not passed through the breather pipe cools off atmospheric pressure gradually makes and is less than external atmospheric pressure, and this structure is through the structure that sets up the check valve, has prevented that the water in the humidifying cup from taking place the backward flow phenomenon, has reduced and has needed the user to add the bad experience of water often toward the humidifying cup in the past.

In order to simplify the structure of the humidifying cup and simultaneously ensure that the water in the cup is not easy to reflux. Specifically, the one-way valve element 3 includes a choke cover 33, a spring 34, a bottom part 35, an annular side part 36 and a housing 37, one end of the bottom part 35 abuts against a groove 371 of the housing 37, the bottom part 35 is provided with an opening 351, one end of the spring 34 abuts against a support shelf 352 of the bottom part 35, the other end of the spring 34 abuts against one end of the choke cover 33, the annular side part 36 is located in a first inner channel 372 of the housing 37, one end of the annular side part 36 abuts against the bottom of the bottom part 35, the choke cover 33 is located in the first inner channel 372, and the shape of the choke cover 33 matches with the inner annular opening 361 of the annular side part 36. When normally ventilating, gaseous pushing away the choked flow lid through pressure and opening the breach between choked flow lid and the inner ring mouth, get into the breather pipe through the opening of bottom part, when gaseous internal pressure is not enough, because the reaction force of spring, can be by oneself return the choked flow lid again the normal position and block up the passageway, play the effect that prevents the water backward flow.

Further, the flow stabilizing device comprises a flow stabilizing column 4, one end of the flow stabilizing column 4 is fixedly connected with one end of the flow blocking cover 33, the other end of the flow stabilizing column 4 extends to the bottom part 35, and the flow stabilizing column 4 penetrates through the spring 34. The setting of the flow stabilizing column can stably control the vertical movement of the flow blocking cover, so that the deviation is reduced, the deviation is too large when the air flow is too large, the blocking effect is poor when the air flow is reset, and the using effect of backflow prevention is influenced.

In order to prevent water from penetrating and flowing back through the gaps between the components, it is preferable that the first sealing ring 5 is included, the choke cover 33 is provided with a first sealing ring groove 331, the first sealing ring 5 is located in the first sealing ring groove 331, and the first sealing ring 5 abuts against the inner annular opening 361.

Further, a second seal ring 6 is provided, the second seal ring 6 being located between the outer side of the annular side member 36 and the first inner passage 372 of the housing 37, the second seal ring 6 abutting against the outer side of the annular side member 36, the second seal ring 6 abutting against the first inner passage 372 of the housing 37.

In order to facilitate the assembly of the product and ensure the sealing performance, the valve comprises a first sleeve 7, wherein one end of the first sleeve 7 is in sleeve fit with the air inlet 11, and the other end of the first sleeve 7 is in sleeve fit with the inlet 31 of the one-way valve. Further, a second sleeve member 8 is included, one end of the second sleeve member 8 is sleeved and matched with the outlet 32 of the one-way valve member, and the other end of the second sleeve member 8 is sleeved and matched with one end of the vent pipe 2.

In order to improve the dispersion effect of the gas and at the same time to average the gas flow and thus reduce the deflection fluctuation of the choke cover, it is preferable to include a dispersion member 9, and one end of the dispersion member 9 is connected to the gas outlet end 21 of the breather pipe 2. Specifically, one end of the dispersion member 9 is provided with a plurality of rectangular openings 91 having central symmetry.

In order to ensure a stable installation of the dispersion member, the dispersion member 9 comprises, in particular, an elongated collar 92, which elongated collar 92 is located outside the snorkel 2.

In order to improve the sealing effect, the material of the first sealing ring 5 and the second sealing ring 6 is preferably silica gel.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides an anti-return humidifying cup, includes bowl cover (1) and breather pipe (2), its characterized in that:

comprises a one-way valve element (3);

an inlet (31) of the one-way valve (3) is connected with an air inlet (11) of the cup cover (1), an outlet (32) of the one-way valve (3) is connected with one end of the breather pipe (2), and an air outlet end (21) of the breather pipe (2) extends into the humidifying cup.

2. The anti-backflow humidification cup of claim 1, wherein:

the one-way valve element (3) comprises a flow blocking cover (33), a spring (34), a bottom piece (35), an annular side piece (36) and a shell (37);

one end of the bottom piece (35) is abutted against the groove (371) of the shell (37), and the bottom piece (35) is provided with an opening (351);

one end of the spring (34) is abutted against a supporting frame (352) of the bottom part (35), and the other end of the spring (34) is abutted against one end of the choke cover (33);

the annular side member (36) is located in the first inner channel (372) of the housing (37), one end of the annular side member (36) abutting against the bottom of the bottom member (35);

the choke cover (33) is located in the first inner channel (372), and the shape of the choke cover (33) matches the inner orifice (361) of the annular side part (36).

3. The anti-backflow humidification cup of claim 2, wherein:

comprises a steady flow column (4);

one end of the flow stabilizing column (4) is fixedly connected with one end of the flow blocking cover (33), the other end of the flow stabilizing column (4) extends to the bottom part (35), and the flow stabilizing column (4) penetrates through the spring (34).

4. The anti-backflow humidification cup of claim 2, wherein:

comprises a first sealing ring (5);

the flow resisting cover (33) is provided with a first sealing ring groove (331), the first sealing ring (5) is located in the first sealing ring groove (331), and the first sealing ring (5) is abutted to the inner ring opening (361).

5. The anti-backflow humidification cup of claim 2, wherein:

comprises a second sealing ring (6);

the second seal ring (6) is located between the outside of the annular side member (36) and the first inner passage (372) of the housing (37), the second seal ring (6) abuts against the outside of the annular side member (36), and the second seal ring (6) abuts against the first inner passage (372) of the housing (37).

6. The anti-backflow humidification cup of claim 1, wherein:

comprising a first sleeve (7);

one end of the first sleeve piece (7) is matched with the air inlet (11) in a sleeved mode, and the other end of the first sleeve piece (7) is matched with the inlet (31) of the one-way valve in a sleeved mode.

7. The anti-backflow humidification cup of claim 1, wherein:

comprises a second sleeve (8);

one end of the second sleeve piece (8) is sleeved and matched with the outlet (32) of the one-way valve, and the other end of the second sleeve piece (8) is sleeved and matched with one end of the vent pipe (2).

8. The anti-backflow humidification cup of claim 1, wherein:

comprising a dispersion member (9);

one end of the dispersion member (9) is connected with the air outlet end (21) of the vent pipe (2).

9. The anti-backflow humidification cup of claim 8, wherein:

one end of the dispersion piece (9) is provided with a plurality of rectangular openings (91) which are centrosymmetric.

10. The anti-backflow humidification cup of claim 8, wherein:

the dispersion member (9) comprises an elongated collar (92);

the lengthened annular pipe (92) is positioned outside the vent pipe (2).