CN211575386U

CN211575386U - Water tank, no fog humidifier and ultrasonic humidifier with water valve

Info

Publication number: CN211575386U
Application number: CN202020240212.8U
Authority: CN
Inventors: 李一峰; 车建平; 梁海权
Original assignee: Foshan Xiaoxiong Life Electric Appliance Co ltd; Bear Electrical Appliance Co Ltd
Current assignee: Foshan Xiaoxiong Life Electric Appliance Co ltd; Bear Electrical Appliance Co Ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-09-25
Anticipated expiration: 2030-03-02

Abstract

The utility model discloses a water tank with water valve, no fog humidifier and ultrasonic humidifier, the utility model discloses a water tank is equipped with water storage chamber and working chamber, need not to establish evaporation vessel in addition, water storage vessel, when retrenching part quantity, make complete machine overall arrangement compact reasonable, the water tank passes through water valve control water storage chamber and adds water to the working chamber, need not to realize with the help of electron device, be applied to in the humidifier, can effectively reduce the part cost of product and simplify the installation flow, and the daily clean maintenance of the user of being convenient for, in the processing production, can design montant length according to actual need, the ejection force of elastic component, thereby control the maximum liquid level height and the minimum liquid level height in working chamber, thereby avoid the humidifier when high water level, go out fog efficiency or the problem that vapor generation efficiency is low.

Description

Water tank, no fog humidifier and ultrasonic humidifier with water valve

Technical Field

The utility model relates to a humidifier technical field, concretely relates to water tank, no fog humidifier and ultrasonic humidifier with water valve.

Background

The existing humidifier on the market humidifies the ambient air mainly by electric heating to generate steam, ultrasonic oscillation atomization and natural evaporation by contacting a wet curtain containing water or a filter screen with wind. The existing ultrasonic humidifier has the problems of low fog-generating efficiency and unobvious humidifying effect when the water level is high and the water amount is large. The existing natural evaporation type heater or ultrasonic humidifier is used for improving the humidification effect, a water storage container for storing water and an evaporation container for generating water vapor are usually installed in a machine body, the water storage container automatically supplies water for the evaporation container, so that the problem of low fogging efficiency caused by overlarge water amount or overhigh water level of the evaporation container is solved, the general structure of the humidifier is complex, the whole structure of the humidifier is inconvenient to assemble, disassemble and clean, particularly, the water supply control structure of the evaporation container and the water storage container is complex, a water supply channel and a valve are usually required to be designed between the evaporation container and the water storage container to control the water storage container to supply water to the evaporation container, the valve is generally provided with an electric valve, power consumption is required, more space is required to be occupied, and the cost and the miniaturization design of a humidifier product are not facilitated.

According to the above, the water supply control structure between the evaporation container and the water storage container of the existing humidifier needs to be further improved, so that the overall structure of the humidifier is simpler, the cost is saved, and the convenience of assembly, disassembly and cleaning is improved.

SUMMERY OF THE UTILITY MODEL

The first invention aims to overcome the defects of the prior art, and provides a water tank with a water valve, which is used in a humidifier to make the overall structure of the humidifier simpler and more exquisite, is favorable for reducing the processing cost of the humidifier, and improves the convenience of the assembly and disassembly of the humidifier.

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

water tank with water valve, including the water tank body, this internal water storage cavity, working chamber and the water valve of being equipped with of water tank, be equipped with the water inlet between working chamber and the water storage cavity, working chamber and water storage cavity pass through the water inlet intercommunication, the water valve sets up water inlet department, the water valve includes body, montant, elastic component and sealing washer, the body push down the butt in the montant top the sealing washer connect in the lower part of montant, the body can float from top to bottom along with the liquid level, in order to drive the sealing washer seals or opens the water inlet, the elastic component cover is established on the montant, it is right with ascending ejection force that pushes away is executed to the body, the gravity of body is greater than ejection force.

The water tank of the utility model is provided with a water storage cavity and a working cavity, a valve is arranged in the water inlet and used for controlling the opening and closing of the water inlet, when the water level of the working cavity drops to a certain height, the gravity of the automatic valve is more than the sum of the ejection force and the buoyancy of water, and a sealing ring drops to open the water inlet; when the water level of the working cavity rises to a certain height, the sum of the buoyancy and the ejection force is larger than the gravity of the automatic valve, so that the floating body drives the sealing ring to rise, the water inlet is closed, and at the moment, the water storage cavity stops supplying water to the working cavity to stop rising the water level of the working cavity. Compared with the prior art, the utility model discloses a water tank is equipped with water storage chamber and working chamber, need not to establish evaporation vessel in addition, water storage vessel, when retrenching part quantity, make complete machine overall arrangement compact reasonable, the water tank adds water to the working chamber through water valve control water storage chamber, need not to realize with the help of electronic device, be applied to in the humidifier, can effectively reduce the part cost of product and simplify the installation flow, and the daily clean maintenance of the user of being convenient for, in the processing production, can design montant length according to actual need, the ejection force of elastic component, thereby the biggest liquid level height and the minimum liquid level height of control working chamber, thereby avoid the humidifier when high water level, go out fog efficiency or vapor generation inefficiency problem.

Preferably, the water storage cavity is adjacent to the working cavity, the lower part of the water storage cavity extends to the lower side of the bottom of the working cavity, the water inlet is located at the bottom of the working cavity, the floating body is located in the working cavity, the sealing ring is located in the water storage cavity, and the vertical rod is movably arranged in the water inlet. In the scheme, the height difference exists between the bottom of the water storage cavity and the bottom of the working cavity, so that water in the water storage cavity can enter from the bottom of the working cavity under the control of the water valve, and all parts of the water valve are respectively arranged in the water storage cavity and the working cavity, so that the internal space of the humidifier can be saved, and the miniaturization design of the humidifier is facilitated. When the water storage device is used, water needs to be added into the water storage cavity to enable the liquid level of the water storage cavity to be higher than that of the working cavity, so that water pressure difference exists between the water storage cavity and the working cavity, and water in the water storage cavity can be supplied to the working cavity.

Preferably, the water valve further comprises a mounting seat, the mounting seat is provided with a guide groove with an upper end opened, a valve body water inlet hole longitudinally penetrating through the bottom of the guide groove is formed in the bottom wall of the guide groove, the floating body is located in the guide groove and can longitudinally move along the inner side of the guide groove, and the lower end of the vertical rod penetrates through the valve body water inlet hole. The guide groove of this scheme has the direction to the body and does, makes the body can follow the longitudinal displacement of guide groove.

In order to realize the assembly of the mounting seat, a circle of connecting wall is arranged on the upper peripheral edge of the water inlet, an annular wall extends downwards from the outer bottom of the guide groove, and the water inlet hole of the valve body is located in the annular inner side area.

Preferably, the connecting wall is provided with an external thread and the annular wall is provided with an internal thread, so that the connecting wall and the annular wall are connected through the internal thread and the external thread.

Preferably, the side wall of the guide groove is provided with a water passing opening to communicate the side part of the guide groove with the working cavity, so that water in the water storage cavity enters the guide groove through the water inlet, and the water flows into the working cavity through the water passing opening on the side wall of the guide groove.

For realizing the assembly of montant and elastic component, sealing washer, the montant includes first connecting portion, second connecting portion, third connecting portion and the fourth connecting portion that top-down connected gradually, the radius of first connecting portion, second connecting portion, third connecting portion is steadilyd decrease in proper order, the elastic component cover is established on the second connecting portion, and its upper end offsets with first connecting portion, and the lower extreme offsets on the interior diapire of mount pad, the sealing washer middle part is equipped with the ladder through-hole that vertically runs through, the sealing washer passes through the ladder through-hole cover is established on the downside and the third connecting portion of second connecting portion, the bottom of sealing washer with the fourth connecting portion offsets.

Preferably, the water tank body comprises a lower shell with an opening at the upper end and an upper cover which can detachably close the lower shell, a blocking wall is arranged in the lower shell to divide a cavity of the lower shell into the working cavity and the water storage cavity, and a steam outlet is formed in the position, corresponding to the working cavity, of the upper cover. The water tank in this scheme adds water structure for last, and the steam that the working chamber produced discharges to the external world through the steam outlet.

Preferably, this internal atomizing chamber, the atomization component of still being equipped with of water tank, the atomizing chamber is located the interior bottom of casing down, the working chamber is located the upside in atomizing chamber, the atomization component is located in the atomizing chamber and with the bottom in working chamber is connected to water that the messenger atomization component during operation can make the working chamber in produces steam or water smoke.

A second object of the present invention is to provide a fog-free humidifier using the above mentioned scheme, which further includes a fan assembly, an electric control device and a heating assembly, wherein a heating cavity is further disposed in the water tank body, the heating cavity is located at the inner bottom of the water tank body, the working cavity is located at the upper side of the heating cavity, the heating assembly is located in the heating cavity and connected to the bottom of the working cavity, the side wall of the water tank body corresponds to the working cavity, an air inlet is disposed in the working cavity, the fan assembly is disposed at the upper side of the working cavity, the electric control device is electrically connected to the fan assembly and the heating assembly, and the liquid level of the working cavity is lower than the bottom of the air inlet. Compared with the prior art, the utility model discloses a no fog humidifier is owing to applied the no fog humidifier of above-mentioned scheme, consequently, has above-mentioned scheme there is the advantage.

A third invention of the present invention is to provide an ultrasonic humidifier using the above technical scheme, further comprising an electric control device and an ultrasonic atomization assembly, wherein an atomization chamber is further disposed in the water tank body, the atomization chamber is located at the inner bottom of the water tank body, the working chamber is located at the upper side of the atomization chamber, the atomization assembly is located in the atomization chamber and connected to the bottom of the working chamber, the electric control device is electrically connected to the ultrasonic atomization assembly, the ultrasonic atomization assembly comprises a vibration plate, the bottom of the working chamber is provided with a mounting hole, and the vibration plate is hermetically connected to the mounting hole. Compared with the prior art, the utility model discloses an ultrasonic humidifier is owing to applied the no fog humidifier of above-mentioned scheme, consequently, has above-mentioned scheme there is the advantage.

Drawings

FIG. 1 is an exploded view of the tank body;

FIG. 2 is a cross-sectional view of the tank body;

FIG. 3 is a partial cross-sectional view of the tank body;

FIG. 4 is an exploded view of the water valve;

FIG. 5 is a cross-sectional view of a water valve;

FIG. 6 is an exploded view of the mist free humidifier;

FIG. 7 is a cross-sectional view of a mist-free humidifier;

FIG. 8 is a schematic structural view of a fan assembly.

Description of reference numerals:

the water tank comprises a water tank body 1, a lower shell 2, a water storage cavity 203, a working cavity 204, a water inlet 205, an air inlet 206, a heating cavity 208, a filtering device 209, an electric control cavity 210, a butt joint hole 211, an upper cover 3, an air outlet 301, a water valve 4, a floating body 401, a vertical rod 402, an elastic piece 403, a sealing ring 404, a step through hole 4041, a mounting seat 405, a guide groove 4051, a valve body water inlet hole 4052, a first connecting portion 4053, a second connecting portion 4054, a third connecting portion 4058, a fourth connecting portion 4059, an annular wall 4055, a water outlet 4056, a limiting protrusion 4057, a fan assembly 6, a mounting frame 601, a first mounting groove 6011, an air inlet 6013, a third mounting groove 6014, a bayonet 6015, a second mounting groove 6012, a connecting hole 6016, a wind wheel 602, a.

Detailed Description

The technical scheme of the utility model is further explained according to the attached drawings as follows:

the first embodiment is as follows:

referring to fig. 1-5, the present embodiment discloses a water tank with a water valve 4, which includes a water tank body 1, a water storage cavity 203, a working cavity 204 and the water valve 4 are disposed in the water tank body 1, a water inlet 205 is disposed between the working cavity 204 and the water storage cavity 203, the working cavity 204 is communicated with the water storage cavity 203 through the water inlet 205, the water valve 4 is arranged at the water inlet 205, the water valve 4 comprises a floating body 401, a vertical rod 402, an elastic part 403 and a sealing ring 404, the lower end of the floating body 401 is abutted against the top of the vertical rod 402, the sealing ring 404 is connected to the lower part of the vertical rod 402, the floating body 401 can float up and down along with the liquid level, so as to drive the sealing ring 404 to close or open the water inlet 205, the elastic member 403 is sleeved on the vertical rod 402, so as to apply an upward pushing force to the floating body 401, the gravity of the floating body 401 is greater than the pushing force, so that the floating body 401 loses buoyancy support after the water level is reduced, overcomes the driving force to sink under the influence of gravity and drives the sealing ring 404 to open the water inlet 205; after the water level rises, the floating body 401 floats upwards under the combined action of the buoyancy and the ejection force and drives the sealing ring 404 to close the water inlet 205. In this embodiment, the floating body 401 rises by the pushing force and the buoyancy and falls by its own weight, so that the water valve 4 automatically opens or closes the water inlet 205 without using an electronic device, thereby eliminating the parts and power cost for opening the water inlet by the electronic device and the cumbersome operation of opening the water valve by a human hand. In the processing production, the length of the vertical rod 402 and the ejection force of the elastic member 403 can be designed according to actual needs, so that the maximum liquid level height and the minimum liquid level height of the working chamber 204 are controlled, and the problem of low mist generation efficiency or low water vapor generation efficiency of the humidifier at a high water level is solved.

Preferably, the elastic member 403 is a return spring, and the urging force is an elastic force of the return spring.

The water storage cavity 203 and the working cavity 204 are arranged adjacently, the lower portion of the water storage cavity 203 extends to the lower side of the bottom of the working cavity 204, the water inlet 205 is located at the bottom of the working cavity 204, the floating body 401 is located in the working cavity 204, the sealing ring 404 is located in the water storage cavity 203, and the vertical rod 402 is movably arranged in the water inlet 205. In this embodiment, there is a height difference between the bottom of the water storage cavity 203 and the bottom of the working cavity 204, so that water in the water storage cavity 203 can enter from the bottom of the working cavity 204 under the control of the water valve 4, and when in use, water needs to be added into the water storage cavity 203 to make the liquid level of the water storage cavity 203 higher than the liquid level of the working cavity 204, so that there is a water pressure difference between the water storage cavity 203 and the working cavity 204, and the water in the water storage cavity 203 can be supplied to the working cavity 204. All parts of the water valve 4 are respectively arranged in the water storage cavity 203 and the working cavity 204, so that the internal space of the humidifier can be saved, and the miniaturization design of the humidifier is facilitated.

The water valve 4 further comprises an installation base 405, the installation base 405 is provided with a guide groove 4051 with an opening at the upper end, the bottom wall of the guide groove 4051 is provided with a valve body water inlet hole 4052 longitudinally penetrating through the bottom of the guide groove 4051, the floating body 401 is located in the guide groove 4051 and can longitudinally move along the inner side of the floating body, and the lower end of the vertical rod 402 penetrates through the valve body water inlet hole 4052. The guide channel 4051 of this embodiment provides guidance to the float 401 so that the float 401 can be displaced longitudinally along the guide channel 4051.

As a preferable scheme, the vertical rod 402 includes a first connection portion 4053, a second connection portion 4054, a third connection portion 4058 and a fourth connection portion 4059, which are sequentially connected from top to bottom, the radii of the first connection portion 4053, the second connection portion 4054 and the third connection portion 4058 decrease progressively in sequence, the radius of the fourth connection portion 4059 is greater than the radius of the third connection portion 4058, the elastic member 403 is sleeved on the second connection portion 4054, the upper end of the elastic member abuts against the first connection portion 4053, and the lower end of the elastic member abuts against the inner bottom wall of the mounting seat 405. The middle of the sealing ring 404 is provided with a step through hole 4041 which longitudinally penetrates through the sealing ring, the cross section of the step through hole 4041 is in a T shape, the sealing ring 404 is clamped on the lower side of the second connecting portion 4054 and the third connecting portion 4058 through the step through hole 4041, and the bottom of the sealing ring 404 is abutted against the fourth connecting portion 4059. In this embodiment, the radius of the second connecting portion 4054 is greater than that of the third connecting portion 4058, so that the upward displacement of the sealing ring 404 relative to the vertical rod 402 is limited, the radius of the fourth connecting portion 4059 is greater than that of the third connecting portion 4058, so that the downward displacement of the sealing ring 404 relative to the vertical rod 402 is limited, and in order to facilitate the engagement of the sealing ring 404 on the vertical rod 402, the fourth connecting portion 4059 is in an arc shape that is reduced from top to bottom.

To achieve the assembly of the mounting seat 405, the upper periphery of the water inlet 205 is provided with a ring of connecting wall, the outer bottom of the guiding groove 4051 extends downward with an annular wall 4055, the connecting wall is provided with external threads, the annular wall is provided with internal threads, so that the connecting wall is connected with the annular wall 4055 through the internal and external threads, thereby fixing the mounting seat 405 on the upper side of the water inlet 205, and the water inlet hole 4052 of the valve body is located in the inner area of the annular wall 4055.

The annular wall 4055 is screwed to the connecting wall to fix the mounting block 405 to the water inlet 205.

The side wall of the guide groove 4051 is provided with a water inlet 4056 to communicate the side portion of the guide groove 4051 with the working chamber 204, so that the water in the water storage chamber 203 enters the guide groove 4051 through the water inlet 205, and the water flows into the working chamber 204 through the water inlet 4056 on the side wall of the guide groove 4051.

The water tank body 1 comprises a lower shell 2 with an opening at the upper end and an upper cover 3 capable of detachably closing the lower shell 2, a baffle wall is arranged in the lower shell 2 to separate a cavity of the lower shell 2 into a working cavity 204 and a water storage cavity 203, and a steam outlet 301 is arranged at the position of the upper cover 3 corresponding to the working cavity 204. The water tank in this embodiment is of an upper water adding structure, and the steam generated in the working chamber 204 is discharged to the outside through the steam outlet 301.

The water tank of this embodiment is equipped with water storage chamber 203 and working chamber 204, need not to establish evaporation vessel, water storage container in addition, when simplifying part quantity, make the complete machine overall arrangement compact reasonable, the water tank passes through water valve 4 control water storage chamber 203 and adds water to working chamber 204, need not to realize with the help of electronic device, be applied to the humidifier, can effectively reduce the part cost of product and simplify the installation procedure, and be convenient for user's daily clean maintenance, in the processing production, can design the biggest liquid level height and the minimum liquid level height of working chamber 204 according to actual need.

Example two:

referring to fig. 1 to 7, the embodiment discloses a fog-free humidifier applying the above embodiment, further including a fan assembly 6, an electric control device and a heating assembly, the water tank body 1 is further provided with a heating cavity 208, the heating cavity 208 is located at the inner bottom of the lower housing 2, the working cavity 204 is located at the upper side of the heating cavity 208, the heating assembly is located in the heating cavity 208 and connected to the bottom of the working cavity 204, the side wall of the water tank body 1 is provided with an air inlet 206 corresponding to the working cavity 204, the fan assembly 6 is located at the upper side of the working cavity 204, the atomizing assembly is the heating assembly 7, the electric control device is electrically connected to the fan assembly 6 and the heating assembly 7, respectively, and the liquid level of the working cavity 204 is.

The fan assembly 6 comprises a mounting frame 601, a wind wheel 602 and a motor 603, the wind wheel 602 and the motor 603 are mounted on the upper side of the working chamber 204 through the mounting frame 601, and the output end of the motor 603 is fixedly connected with the wind wheel 602.

The air inlet 206 is disposed on a side wall of the lower housing 2, a filtering device 209 for filtering air impurities is disposed in the lower housing 2, and the filtering device 209 is disposed at a position adapted to the air inlet 206 so that air flows through the filtering device 209 after entering the lower housing from the air inlet 206 and enters the working chamber 204.

The mounting frame 601 includes a third mounting groove 6014 with an upper end open, a bayonet 6015 is disposed on a bottom wall of the third mounting groove 6014, the upper end of the filtering device 209 is disposed in the third mounting groove 6014, and the lower end of the filtering device 209 extends to the lower side of the working chamber 204 through the bayonet 6015.

Above-mentioned mounting bracket 601 includes upper end open-ended first mounting groove 6011 and side open-ended second mounting groove 6012, be equipped with connecting hole 6016 between first mounting groove 6011 and the second mounting groove 6012, first mounting groove 6011 is located respectively to wind wheel 602 and motor 603, in second mounting groove 6012, and the output of motor 603 passes connecting hole 6016 and is connected with wind wheel 602, the downside of first mounting groove 6011 is equipped with air inlet 6013 with working chamber 204 intercommunication, form water proof chamber between the inner wall of second mounting groove 6012 and water tank body 1.

As a preferable scheme, the water tank body 1 is further provided with an electric control cavity 210, the electric control cavity 210 is adjacent to the working cavity 204, the electric control device is arranged in the electric control cavity 210, and the upper end of the electric control cavity 210 is communicated with the water-resisting cavity so that the electric control device can be electrically connected with the fan assembly 6 and the heating assembly 7.

The heating component 7 includes a heating pipe 701 with two open ends, the bottom wall of the working chamber 204 is provided with a butt hole 211 corresponding to the two open ends of the heating pipe 701, and the opening of the heating pipe 701 is connected with the butt hole 211. In this embodiment, two ends of the heating pipe 701 are communicated with the working chamber 204, and water in the working chamber 204 can flow into the heating pipe 701 through the butt-joint hole 211, so that the contact area between the heating pipe 701 and the water is increased, and the heating efficiency is improved.

In order to further improve the heating efficiency, the heating pipe 701 is curved, and a PTC heater is disposed in the heating pipe 701.

Example three:

the embodiment discloses a humidifier (not shown in the figure) of using above-mentioned embodiment still includes electrically controlled device and ultrasonic atomization subassembly, this internal atomizing chamber that still is equipped with of water tank, the atomizing chamber is located the interior bottom of casing down, the working chamber is located the upside in atomizing chamber, atomizing subassembly is located the atomizing intracavity and with the bottom in working chamber is connected, electrically controlled device with the ultrasonic atomization subassembly electricity is connected, ultrasonic atomization subassembly includes a vibration piece, the bottom in working chamber is equipped with the mounting hole, vibrate the piece with mounting hole sealing connection. The ultrasonic humidifier of the embodiment has a series of advantages of compact structure, elaboration, convenience in assembly, disassembly and washing, low cost and the like due to the application of the fog-free humidifier of the embodiment.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. The utility model provides a water tank with water valve, includes the water tank body, this internal water storage chamber, working chamber and the water valve of being equipped with of water tank, be equipped with the water inlet between working chamber and the water storage chamber, working chamber and water storage chamber pass through the water inlet intercommunication, the water valve sets up water inlet department, its characterized in that: the water valve comprises a floating body, a vertical rod, an elastic piece and a sealing ring, wherein the floating body presses down and abuts against the top of the vertical rod, the sealing ring is connected to the lower portion of the vertical rod, the floating body can float up and down along with the liquid level to drive the sealing ring to be closed or opened at the water inlet, the elastic piece is sleeved on the vertical rod to apply upward ejection force to the floating body, and the gravity of the floating body is greater than the ejection force.

2. The water tank provided with a water valve as claimed in claim 1, wherein: the water storage cavity is adjacent to the working cavity, the lower portion of the water storage cavity extends to the lower side of the bottom of the working cavity, the water inlet is located at the bottom of the working cavity, the floating body is located in the working cavity, the sealing ring is located in the water storage cavity, and the vertical rod is movably arranged in the water inlet.

3. A cistern provided with a water valve as claimed in claim 2, wherein: the water valve further comprises a mounting seat, the mounting seat is provided with a guide groove with an upper end open, a valve body water inlet hole longitudinally penetrating through the bottom of the guide groove is formed in the bottom wall of the guide groove, the floating body is located in the guide groove and can longitudinally move along the inner side of the guide groove, and the lower end of the vertical rod penetrates through the valve body water inlet hole.

4. A cistern provided with a water valve as claimed in claim 3, wherein: the upper periphery of the water inlet is provided with a circle of connecting wall, the outer bottom of the guide groove extends downwards to form an annular wall, and the water inlet hole of the valve body is located in the inner side area of the annular wall.

5. The water tank provided with a water valve as claimed in claim 4, wherein: the connecting wall is provided with external threads, the annular wall is provided with internal threads, and the connecting wall is connected with the annular wall through the internal threads and the external threads.

6. A cistern provided with a water valve as claimed in claim 3, wherein: and a water passing port is formed in the side wall of the guide groove to communicate the side part of the guide groove with the working cavity.

7. A cistern provided with a water valve as claimed in claim 3, wherein: the montant includes first connecting portion, second connecting portion, third connecting portion and the fourth connecting portion that top-down connected gradually, the radius of first connecting portion, second connecting portion, third connecting portion is steadilyd decrease in proper order, the elastic component cover is established on the second connecting portion, and its upper end and first connecting portion counterbalance top, the lower extreme support top on the interior diapire of mount pad, the sealing washer middle part is equipped with the ladder through-hole that vertically runs through, the sealing washer passes through the ladder through-hole block is in on the downside of second connecting portion and the third connecting portion, the bottom of sealing washer with the fourth connecting portion support top mutually.

8. The water tank provided with a water valve as claimed in claim 1, wherein: the water tank body comprises a lower shell with an opening at the upper end and an upper cover which can detachably seal the lower shell, a baffle wall is arranged in the lower shell to divide a cavity of the lower shell into a working cavity and a water storage cavity, and a steam outlet is formed in the position, corresponding to the working cavity, of the upper cover.

9. There is not fog humidifier, its characterized in that: the water tank with the water valve comprises the water tank with the water valve according to any one of claims 1 to 8, and further comprises a fan assembly, an electric control device and a heating assembly, wherein a heating cavity is further formed in the water tank body and is located at the inner bottom of the water tank body, the working cavity is located on the upper side of the heating cavity, the heating assembly is located in the heating cavity and is connected with the bottom of the working cavity, an air inlet is formed in the side wall of the water tank body corresponding to the working cavity, the fan assembly is located on the upper side of the working cavity, the electric control device is electrically connected with the fan assembly and the heating assembly respectively, and the liquid level of the working cavity is lower than the bottom of the air inlet.

10. Ultrasonic humidifier, its characterized in that: the water tank with the water valve comprises the water tank with the water valve according to any one of claims 1 to 8, and further comprises an electric control device and an ultrasonic atomization assembly, wherein an atomization cavity is further formed in the water tank body, the atomization cavity is located at the inner bottom of the water tank body, the working cavity is located on the upper side of the atomization cavity, the ultrasonic atomization assembly is located in the atomization cavity and connected with the bottom of the working cavity, the electric control device is electrically connected with the ultrasonic atomization assembly, the ultrasonic atomization assembly comprises a vibration piece, a mounting hole is formed in the bottom of the working cavity, and the vibration piece is connected with the mounting hole in a sealing mode.