CN108758927B

CN108758927B - humidifier

Info

Publication number: CN108758927B
Application number: CN201810978857.9A
Authority: CN
Inventors: 黄忠平; 张培德; 林振华; 杨海
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2018-08-27
Filing date: 2018-08-27
Publication date: 2023-11-21
Anticipated expiration: 2038-08-27
Also published as: CN108758927A

Abstract

The invention discloses a humidifier, which comprises a water tank and a base, wherein a water tank is formed on the base, the water tank is arranged on the base and can be communicated with the water tank, a water outlet of the water tank is provided with a filtering device and a water outlet valve structure, a flow passage is formed in the water outlet valve structure, the filtering device filters water entering the flow passage of the water outlet valve structure, a control structure is arranged in the water tank, the control structure can control the flow passage of the water outlet valve structure to be opened, and the control structure can also seal the flow passage. According to the invention, the filtering device is arranged at the water outlet of the water tank, so that impurities can be prevented from entering the water outlet valve structure, and the tightness of the water outlet valve structure is ensured not to be influenced by the impurities, thereby prolonging the service life of the water outlet valve structure. Meanwhile, the control structure is used for blocking the flow channel of the water outlet valve structure to form a multiple sealing structure, so that the sealing reliability of the water outlet valve structure is further improved.

Description

Humidifier

Technical Field

The invention relates to the technical field related to household appliances, in particular to a humidifier.

Background

Electric appliances such as humidifier that are provided with the water tank all can set up the water outlet valve structure in order to control the play of delivery port department at the water tank, and the water tank play water valve structure of the common humidifier in the present market is mostly single seal structure, and this kind of play water valve's simple structure makes, assembly cost is comparatively low, therefore most producer can select this kind of play water valve structure.

However, the reliability of the single sealing structure is not high, once the sealing failure easily causes water leakage, accidents such as electric leakage and the like can be caused after the water leakage occurs on the electrical equipment, and the use safety of users is threatened. In addition, impurities in water enter the water outlet valve structure to cause certain influence on the tightness of the water outlet valve structure, so that the reliability of the water outlet valve structure is improved, and the reliability and user experience of the whole humidifier are directly related.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a humidifier capable of improving reliability and preventing water leakage.

The invention provides a humidifier, which comprises a water tank and a base, wherein a water tank is formed on the base, the water tank is arranged on the base and can be communicated with the water tank, a water outlet of the water tank is provided with a filtering device and a water outlet valve structure, a flow passage is formed in the water outlet valve structure, the filtering device filters water entering the flow passage of the water outlet valve structure,

the water tank is internally provided with a control structure, the control structure can control the flow passage of the water outlet valve structure to be opened, and the control structure can also seal the flow passage.

Preferably, the filtering device comprises a filtering support and a filter screen, the filtering support comprising:

an outer shell and an inner shell each configured in a cylindrical structure, the inner shell being disposed inside the outer shell, a gap being formed between the inner shell and the outer shell in a radial direction,

a connecting part connected with the first end of the outer shell and the first end of the inner shell, the second end of the outer shell and the second end of the inner shell are free ends,

the shell, the inner shell and the connecting part enclose an accommodating space, and the filter screen is arranged in the accommodating space.

Preferably, the outer shell, the inner shell and/or the connecting part are/is provided with a water inlet, and water is supplied to the water inlet and flows into the accommodating space; and/or the number of the groups of groups,

a gap between the second end of the outer housing and the second end of the inner housing forms a drain opening.

Preferably, the filter holder further comprises a blocking structure, which is located between the first and second ends of the inner housing,

the inner shell is simultaneously provided with a water inlet and a water outlet, the water inlet and the water outlet are positioned on two sides of the plugging structure, the water inlet is positioned on one side close to the first end of the inner shell, and the water outlet is positioned on one side close to the second end of the inner shell.

Preferably, the filter support is provided with a mounting structure, the mounting structure is used for being connected with the water tank, the mounting structure comprises a pressing part and a clamping part, the clamping part is arranged on the pressing part, the pressing part is connected to the shell, at least part of the pressing part can move towards the radial inner side of the shell under the action of pressure, and the clamping part moves along with the pressing part; and/or the number of the groups of groups,

be provided with limit structure on the filter stand, limit structure with structural fit on the water tank is right humidifier filter equipment carries out spacingly, makes filter equipment can not rotate.

Preferably, the water outlet valve structure comprises a housing in which a flow passage is formed, and a valve core assembly capable of opening or closing a first end of the flow passage,

the control structure is configured as a lever structure, the lever structure comprises a first side structure positioned at one side of a fulcrum and a second side structure positioned at the other side of the fulcrum, the first side structure is correspondingly arranged with the valve core assembly and can drive the valve core assembly to move from a closed position to an open position, the second side structure is correspondingly arranged at an outlet of the flow channel, and the second side structure can seal the outlet of the flow channel.

Preferably, the flow channel comprises a water inlet flow channel and a water outlet flow channel, and an included angle is formed between the extending direction of the water inlet flow channel and the extending direction of the water outlet flow channel.

Preferably, the first end of the water inlet flow channel forms the first end of the flow channel, the water inlet flow channel is configured into a tubular structure with an open first end and a closed second end, the first end of the water inlet flow channel is blocked when the valve core assembly is located at the closed position, and the first side structure can provide thrust to enable the valve core assembly to move upwards to the open position so as to open the first end of the water inlet flow channel.

Preferably, the second end of the water inlet flow channel is blocked by a deformable blocking part, and the first side structure can provide thrust to the valve core assembly through the blocking structure.

Preferably, a water outlet structure is arranged at the outlet of the flow channel, a sealing part is formed on the water outlet structure, a water outlet is formed on the sealing part, and the sealing part can be abutted with a part of the second side structure, so that the water outlet is closed.

Preferably, the water outlet structure further comprises a mounting part, the mounting part is inserted into the flow channel from the outlet of the flow channel, the mounting part and the sealing part form an L-shaped structure, and an L-shaped flow channel is formed inside the water outlet structure.

According to the humidifier provided by the invention, the filter device is arranged at the water outlet of the water tank, so that impurities can be prevented from entering the water outlet valve structure, the tightness of the water outlet valve structure is ensured not to be influenced by the impurities, and the service life of the water outlet valve structure can be prolonged. Meanwhile, the control structure is used for blocking the flow channel of the water outlet valve structure to form a multiple sealing structure, so that the sealing reliability of the water outlet valve structure is further improved.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of embodiments of the present invention with reference to the accompanying drawings, in which:

fig. 1 shows a schematic cross-sectional view of a humidifier water tank structure;

fig. 2 is a schematic cross-sectional view showing a partial structure of a humidifier tub assembled with a base;

FIG. 3 shows a schematic exploded view of a filtration device;

FIG. 4 shows a schematic view of a filter holder structure;

fig. 5 shows a schematic cross-sectional view of a water outlet valve structure.

Detailed Description

The present invention is described below based on examples, but the present invention is not limited to only these examples. It will be appreciated by those of ordinary skill in the art that the drawings provided herein are for illustrative purposes and that the drawings are not necessarily drawn to scale.

Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, it is the meaning of "including but not limited to".

In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

As shown in fig. 1 and 2, the present invention provides a humidifier, which includes a water tank 10 and a base 20, wherein the water tank 10 is mounted on the base 20, a water tank is formed on the base 20, and a water outlet of the water tank 10 can be communicated with the water tank, so that water in the water tank 10 can flow into the water tank.

The water outlet of the water tank 10 is provided with a filtering device 1 and a water outlet valve structure 2, and the filtering device 1 is positioned at the upstream side of the water outlet valve structure 2 in the water flow direction, namely, water flows through the filtering device 1 first, and then flows through the water outlet valve structure 2 after being filtered.

As shown in fig. 3 and 4, the filtering device 1 includes a filtering support 11 and a filtering screen 12, the filtering screen 12 is mounted on the filtering support 11, the filtering support 11 is mounted at the outlet of the water tank 10 of the humidifier, the filtering screen 12 is preferably in a sponge structure, and can filter water flowing out of the water tank 10 through the outlet of the water tank 10 to remove larger granular impurities in the water, or the filtering screen 12 can also be in a filtering structure with other structures to achieve different filtering effects.

The filter holder 11 includes an outer case 111 configured in a cylindrical structure and an inner case 112, the inner case 112 having a radial dimension smaller than that of the outer case 111, the inner case 112 being disposed inside the outer case 111, preferably, axes of the outer case 111 and the inner case 112 are collinear, and an axial dimension of the inner case 112 is equal to or smaller than that of the outer case 111. The first end of the inner case 112 and the first end of the outer case 111 are connected by a connection portion 113, and preferably the first ends of the inner case 112 and the outer case 111 are located in the same plane. The second ends of the outer and inner housings 111, 112 are free ends, and a drain opening of the filter device 1 is formed between the second ends of the outer and inner housings 111, 112. Preferably, the second end of the inner case 112 is located inside the outer case 111 in the axial direction, so that the second end of the inner case 112 and the second end of the outer case 111 form a dislocation structure in the axial direction, and the dislocation structure can make the area of the drain opening larger, thereby improving the drainage. The inner shell 112, the outer shell 111 and the connecting portion 113 together define an annular accommodating space with an opening at one end, and the opening end forms the water outlet of the filtering device 1. The filter screen 12 is preferably a cylindrical structure with a shape adapted to the accommodating space, the filter screen 12 slides into the accommodating space along the axial direction thereof from the opening end of the accommodating space, preferably, the filter screen 12 forms an interference fit with the filter support 11, so that the filter screen 12 is prevented from falling from the filter support 11.

The filter holder 11 further comprises a blocking structure 114, which blocking structure 114 is connected to the inner housing 112 for blocking the radially inner side of the inner housing 112 such that the inner housing 112 is not axially through-going, thereby preventing water from flowing through the inner housing 112 in the axial direction of the inner housing 112. Preferably, the blocking structure 114 is configured as a plate-like structure, and is disposed at a position near the second end of the inner case 112 perpendicular to the axis of the inner case 112.

The plugging structure 114 is arranged to enable water to enter the accommodating space between the outer shell 111 and the inner shell 112 only through the water inlet, and then flow out after being filtered by the filter screen 12. The water inlet is preferably a circular, square, oval or any other shaped hole, preferably an elongated structure, on the outer shell 111, the inner shell 112 and/or the connection 113, in order to obtain a larger water intake. The casing 111 is provided with a first water inlet 1111 extending in an axial direction of the casing 111, and the first water inlet 1111 is provided with a plurality of first water inlets 1111 in a circumferential direction of the casing 111, and further, the plurality of first water inlets 1111 are uniformly distributed in the circumferential direction of the casing 111. The first water inlet 1111 is not in communication with the second end of the housing 111, so that the second end of the housing 111 is of a complete structure in the circumferential direction, so that the housing 111 can be in contact with the water tank 10 to achieve sealing (described in detail below), and preferably the second end of the housing 111 is provided with a sealing structure, for example, a sealing ring or the like is provided at the second end of the housing 111. The inner casing 112 is provided with a second water inlet, the second water inlet is located at a portion between the first end of the inner casing 112 and the blocking structure 114, preferably, a through hole 1121 extending along an axis of the inner casing 112 is formed in the inner casing 112, the blocking structure 114 divides the through hole 1121 into two parts in an axial direction of the inner casing 112, a portion located near the first end of the inner casing 112 forms the second water inlet, a portion located near the second end of the inner casing 112 can be used for discharging water, a water outlet forming the humidifier filtering structure, that is, water flowing through the filter screen 12 can flow out through the portion, and further, the through hole 1121 can be communicated with the second end of the inner casing 112. A third water inlet (not shown) may be provided on the connection portion 113, or the connection portion 113 may not be provided with the third water inlet, so that the connection portion 113 forms a complete annular plate structure to enhance the strength of the filter holder 11.

The housing 111 is provided with a mounting structure 115, the mounting structure 115 is used for being connected with related structures on the water tank 10, the mounting structure 115 includes a pressing portion 1151 and a clamping portion 1152, and the pressing portion 1151 is configured as an elongated plate structure. The housing 111 is formed with a hole 1112 for avoiding the mounting structure 115, a first end of the pressing portion 1151 is connected to a second end of the housing 111, the second end of the pressing portion 1151 is a free end, the pressing portion 1151 forms a cantilever structure, the pressing portion 1151 is parallel to an axis of the housing 111 and corresponds to the hole 1112, and a portion of the pressing portion 1151 away from the first end can be moved radially inward of the housing 111 by pressing the pressing portion 1151. The engaging portion 1152 is configured as a convex structure formed on a surface of the pressing portion 1151 radially outside the housing 111, and is disposed at a position close to and a distance from the first end of the pressing portion 1151, such that the engaging portion 1152 is capable of moving along with the pressing portion 1151 to displace a certain amount radially inside the housing 111. The engaging portion 1152 engages with a snap structure provided on the water tank, and the engaging portion 1152 is moved radially inward of the housing 111 to disengage the engaging portion 1152 from a snap on the water tank (described in detail below). Preferably, the surface of the clamping portion 1152 near the first end of the pressing portion 1151 is configured as an inclined surface, and the clamping process is guided by the inclined surface, so as to facilitate the clamping with the buckle 101 of the water tank 10. The mounting structure 115 is provided with one or more, in this embodiment two of said mounting structures 115 are provided opposite each other.

Preferably, the housing 111 is further provided with a limiting structure, and the limiting structure cooperates with the buckle 101 on the water tank 10 to prevent the filter support 11 from rotating along the circumferential direction when the filter device 1 is installed, as shown in fig. 1. Specifically, the limiting structure includes a limiting block 116 formed at a position where the mounting structure 115 is disposed on the housing 111, preferably, limiting blocks 116 are disposed on two sides of the mounting structure 115, two limiting blocks 116 form the limiting structure, a limiting space is formed between the two limiting blocks 116, and when the buckle 101 is installed, the buckle is located in the limiting space between the two limiting blocks 116. Preferably, each of the mounting structures 115 corresponds to one of the limit structures. Alternatively, in other embodiments, the limiting structure may also cooperate with other structures on the water tank to limit, for example, a structure such as a limiting post cooperating with the water tank is disposed on the water tank.

As shown in fig. 5, the water outlet valve structure 2 includes a housing 21 and a valve core assembly 22, wherein a water inlet channel 211 is formed in the housing 21, and a part of the valve core assembly 22 is movably disposed in the water inlet channel 211, and can control the opening and closing of the water inlet channel 211 through the valve core assembly 22. The housing 21 is further provided with a water outlet channel 212, water can flow in from the water inlet channel 211 and then flow out through the water outlet channel 212, and the water flow forms an included angle between the flowing directions of the water inlet channel 211 and the water outlet channel 212, preferably the included angle is 90 degrees, that is, the water inlet channel 211 and the water outlet channel 212 are mutually perpendicular.

The housing 21 has a generally cylindrical structure, the water inlet flow path 211 is configured as a tubular structure, the water inlet flow path 211 is located radially inside the housing 21, and preferably, the axis of the water inlet flow path 211 is parallel or collinear with the axis of the housing 21. The valve body assembly 22 includes a valve body 221 and a sealing part 222, the valve body 221 is constructed in a rod-shaped structure and is slidably inserted into the water inlet flow path 211 in an axial direction of the water inlet flow path 211, a radial dimension of the valve body 221 is smaller than a radial dimension of an inner wall of the water inlet flow path 211, and a gap is formed between the valve body 221 and the inner wall of the water inlet flow path 211 to allow water to flow from the water inlet flow path 211. The sealing part 222 is configured in a disc-shaped or table-shaped structure, and the end surface size of the sealing part 222 is larger than the end size of the water inlet channel 211, so that the sealing part 222 can seal the first end of the water inlet channel 211, namely, the upper end of the water inlet channel 211. A mounting hole is provided in the sealing part 222, preferably at the center of the sealing part 222, through which one end of the valve body 221 can pass and connect the sealing part 222 to the valve body 221, and the sealing part 222 is connected to a position near the first end of the valve body 221, and the sealing part 222 cannot move relative to the valve body 221 in the axial direction of the valve body 221. The valve core 221 is provided with a mounting groove along the axial direction thereof at a position close to the first end, the aperture of a mounting hole on the sealing part 222 is smaller than the outer diameter of the valve core 221 and smaller than or larger than the outer diameter of the surface where the bottom wall of the mounting groove is located, so that the mounting groove is matched with the mounting hole to realize clamping, the sealing part 222 is limited in the axial direction of the valve core 221, sealing contact is realized between the mounting groove and the mounting hole, and water leakage at the joint of the valve core 221 and the sealing part 222 is avoided. Preferably, the sealing portion 222 is made of soft material such as rubber. Further, a tapered surface is formed on a side wall of a portion between the first end portion of the valve body 221 and the installation groove, and the tapered surface guides the installation of the sealing portion 222, thereby facilitating the installation of the sealing portion 222.

The second end of the valve element 221 is inserted into the water inlet channel 211 from the first end of the water inlet channel 211 and can move downwards, when the valve element 221 moves to the first position, the sealing part 222 is in contact with the first end of the water inlet channel 211, at this time, the valve element 221 cannot slide downwards any more, and meanwhile, the sealing part 222 is pressed against the first end of the water inlet channel 211 to seal the first end of the water inlet channel 211, namely, the valve element assembly 22 is located at the closed position to close the first end of the water inlet channel 211. The valve core assembly 22 further comprises a biasing member 223, wherein the biasing member 223 provides a biasing force, so that the valve core 221 can be kept at the first position under the condition of no external force, and the valve core 221 can provide a pretightening force for the sealing part 222, so that the sealing part 222 is pressed against the first end of the water inlet flow channel 211, and the sealing effect is ensured. Preferably, in the first position, the second end of the valve element 221 is close to the second end of the water inlet channel 211, or the second end of the valve element 221 extends to the outside of the water inlet channel 211, by applying an upward thrust force to the second end of the valve element 221 along the axial direction of the second end of the valve element 221 to overcome the biasing force of the biasing element 223, the valve element 221 drives the sealing part 222 to move upwards to the open position, so that the water inlet channel 211 is opened, and after the thrust force is removed, the valve element 221 and the sealing part 222 move downwards to the first position under the self-gravity action of the biasing element 223 and the valve element 221 and the sealing part 222, and the sealing part 222 seals the water inlet channel 211.

A guide structure is provided in the water inlet flow path 211, and supports and guides the sliding movement of the valve element 221, and a water supply circulation structure is formed on the guide structure in order to avoid the influence of the guide structure on the water flow.

Correspondingly, a blocking structure is further disposed on the housing 21, and the blocking structure blocks the second end of the water inlet channel 211, so as to prevent water from flowing out of the second end of the water inlet channel 211. Specifically, in this embodiment, the plugging structure includes a plugging cap 231, where the plugging cap 231 is made of a flexible material, for example, the plugging cap 231 may be a corrugated cap, and may be deformed under the action of an external force, and the plugging cap 231 plugs the second end of the water inlet channel 211. The blocking structure further includes a fixing structure 232, the fixing structure 232 fixes the blocking cover 231 on the housing 21, preferably, the fixing structure 232 is constructed in a cap-shaped structure, a through hole is formed at a central position thereof, pressure can be applied to the blocking cover 231 through the through hole, or the fixing structure 232 is in a ring-shaped structure, and the fixing structure 232 can compress an edge of the blocking cover 231 on the housing 21.

The end of the water outlet channel 212 far away from the water inlet channel 211 is provided with a water outlet structure 213, and a water outlet is formed on the water outlet structure 213 to supply water to flow out, and the water outlet is preferably oriented downwards. Preferably, the water outlet structure 213 is formed with a sealing portion 2131, the sealing portion 2131 is located at a lower side of the water outlet structure 213, the water outlet is formed in the sealing portion 2131, the sealing portion 2131 is made of a flexible material such as rubber, and can be elastically deformed when being pressed, and further, the water outlet structure 213 is made of a flexible material such as rubber, so that the water outlet structure 213 can be mounted conveniently.

As shown in fig. 2, a float 3 is disposed in the water tank, the float 3 includes a floating part 31 and a driving part 32, the floating part 31 can rise or fall along with the liquid level in the water tank, and the driving part 32 can push the valve core 221 to move upwards. The floating part 31 and the driving part 32 are separated by a certain distance and are connected through the connecting part 33, a fulcrum is formed on the connecting part 33, the fulcrum is rotatably connected into the water tank, the floater 3 forms a lever structure, the driving part 32 forms a first side structure of the lever structure, the first side structure and the valve core assembly 22 are correspondingly arranged to provide thrust for the valve core assembly 22, the floating part 31 forms a second side structure of the lever structure, and the second side structure can seal a water outlet on the water outlet structure 213. When the liquid level in the water tank is low, the floating part 31 descends, the driving part 32 ascends, and the driving part 32 pushes the blocking cover 231 to deform, so that the valve core 221 is pushed to move upwards, and the water inlet flow channel 211 is opened, so that water in the water tank 10 can flow into the water tank. When the float 31 rises with the rise of the liquid surface in the water tank, the driving unit 32 lowers the valve body 221 until the valve body 221 moves to the first position, the water inlet passage 211 is blocked, and water cannot continue to flow into the water tank, and at this time, the upper surface of the float 31 contacts the sealing unit 2131, so that the water outlet of the water outlet structure 213 can be closed. When the valve core assembly 22 fails, the water inlet channel 211 cannot be blocked, at this time, the water level in the water tank will continuously rise, and after rising to a certain position, the floating part 31 will contact the sealing part 2131 and apply pressure to the sealing part 2131, so that the water outlet is blocked, so that water cannot continue to flow into the water tank, and water will be prevented from overflowing.

According to the humidifier provided by the invention, the filtering device is arranged at the water outlet of the water tank so as to filter water entering the water outlet valve structure and prevent foreign matters from entering the water outlet valve structure to influence the sealing performance of the water outlet valve structure. And the water outlet valve structure is provided with a multiple sealing structure, so that the sealing reliability can be further ensured, and water in the water tank is prevented from overflowing due to the fact that a large amount of water in the water tank flows into the water tank.

It is easy to understand by those skilled in the art that the above preferred embodiments can be freely combined and overlapped without conflict.

It will be understood that the above-described embodiments are merely illustrative and not restrictive, and that all obvious or equivalent modifications and substitutions to the details given above may be made by those skilled in the art without departing from the underlying principles of the invention, are intended to be included within the scope of the appended claims.

Claims

1. The humidifier comprises a water tank and a base, wherein a water tank is formed on the base, the water tank is arranged on the base and can be communicated with the water tank, the humidifier is characterized in that a water outlet of the water tank is provided with a filtering device and a water outlet valve structure, a flow passage is formed in the water outlet valve structure, the filtering device filters water entering the flow passage of the water outlet valve structure,

a control structure is arranged in the water tank, and can control the flow passage of the water outlet valve structure to be opened, and the control structure can also seal the flow passage;

the water outlet valve structure comprises a shell and a valve core assembly, wherein a flow channel is formed in the shell, the valve core assembly can open or close a first end of the flow channel, the flow channel comprises a water inlet flow channel and a water outlet flow channel, and an included angle is formed between the extending direction of the water inlet flow channel and the extending direction of the water outlet flow channel;

2. The humidifier of claim 1, wherein the filter device comprises a filter support and a filter screen, the filter support comprising:

3. The humidifier according to claim 2, wherein the outer housing, the inner housing and/or the connection portion are provided with a water inlet, into which water is supplied to flow into the accommodation space; and/or the number of the groups of groups,

4. The humidifier of claim 2, wherein the filter support further comprises a blocking structure positioned between the first and second ends of the inner housing,

5. The humidifier according to claim 2, wherein a mounting structure is provided on the filter support, the mounting structure being for connection with the water tank, the mounting structure including a pressing portion and a clamping portion provided on the pressing portion, the pressing portion being connected to the housing, at least part of the structure of the pressing portion being movable radially inward of the housing under pressure, the clamping portion being movable with the pressing portion; and/or the number of the groups of groups,

6. The humidifier of claim 1, wherein the first end of the inlet flow passage forms a first end of the flow passage, the inlet flow passage is configured as a tubular structure with an open first end and a closed second end, the valve cartridge assembly is positioned in the closed position to block the first end of the inlet flow passage, and the first side structure is configured to provide a pushing force to move the valve cartridge assembly upward to the open position to open the first end of the inlet flow passage.

7. The humidifier of claim 4, wherein the second end of the inlet flow passage is plugged by a deformable plug portion, the first side structure being capable of providing thrust to the valve cartridge assembly through the plug structure.

8. The humidifier of claim 1, wherein a water outlet structure is provided at an outlet of the flow passage, a sealing portion is formed on the water outlet structure, and a water outlet is formed on the sealing portion, and the sealing portion can abut against a part of the second side structure, so as to seal the water outlet.

9. The humidifier of claim 8, wherein the water outlet structure further comprises a mounting portion inserted into the flow passage from an outlet of the flow passage, the mounting portion and the sealing portion forming an L-shaped structure and forming an L-shaped flow passage inside the water outlet structure.