CN215446731U - Evaporation type humidifier - Google Patents

Abstract

The utility model discloses an evaporative humidifier, which comprises a humidifier body, wherein a first water storage cavity and an atomization cavity are respectively arranged on two sides in the humidifier body, a second water storage cavity is arranged on the lower side of the first water storage cavity, a water outlet communicated to the second water storage cavity is formed in the bottom of the first water storage cavity, and the second water storage cavity is communicated with the atomization cavity; and a lever adjusting device is arranged in the second water storage cavity, and the lever adjusting device utilizes the water level of the second water storage cavity to realize the opening and closing of the water outlet so as to control whether the water in the first water storage cavity flows towards the atomization cavity or not. The utility model controls the water outlet to be opened and closed by utilizing the water level of the second water storage cavity to control whether the water in the first water storage cavity flows into the atomization cavity or not by utilizing the lever principle of the arranged lever adjusting device, has simple principle, does not need to be provided with electronic elements, and has the advantages of reliable use and simple structure.

Description

Evaporation type humidifier

Technical Field

The utility model relates to the technical field of humidifiers, in particular to an evaporative humidifier.

Background

This section merely provides background information related to the present application so as to enable those skilled in the art to more fully and accurately understand the present application, which is not necessarily prior art.

A humidifier is a household appliance for increasing the humidity in a room or the like. The humidifier is divided into a lower water adding humidifier and an upper water adding humidifier, and the upper water adding humidifier is more convenient to use and is more popular. Wherein the humidifier further comprises an evaporative humidifier.

Go up and all have water tank and atomizing chamber in adding the water humidifier, the user need add water in the water tank when adding the water humidifier in using, general condition adds water to highest position moreover, at this moment need flow to the water yield in the atomizing chamber from the water tank through the adjusting device control that sets up in the humidifier to reach the purpose of regulation and control atomizing chamber water level.

The current principle of regulation and control atomizing chamber water level is: a floater is arranged in the humidifier, when the water level rises to a preset amount, the floater of the humidifier rises to a preset position, and a water supply switch is closed to stop supplying water; on the contrary, when the water level is lowered to a preset amount, the float of the humidifier is lowered to a preset position, and the water supply switch is started to supply water. The mode of regulating and controlling the water level of the atomizing cavity needs to be provided with a water supply switch, and the water supply switch is likely to break down after being used for a period of time, so that regulation and control are invalid, and the problem of unreliable use exists. In addition, the structure for regulating the water level of the atomizing cavity is relatively complex.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides an evaporative humidifier, which has the advantages of reliable use and simple structure.

The utility model is realized by adopting the following technical scheme: an evaporative humidifier comprises a humidifier body, wherein a first water storage cavity and an atomization cavity are respectively arranged on two sides in the humidifier body, a second water storage cavity is arranged on the lower side of the first water storage cavity, a water outlet communicated with the second water storage cavity is formed in the bottom of the first water storage cavity, and the second water storage cavity is communicated with the atomization cavity; and a lever adjusting device is arranged in the second water storage cavity, and the lever adjusting device utilizes the water level of the second water storage cavity to realize the opening and closing of the water outlet so as to control whether the water in the first water storage cavity flows towards the atomization cavity or not.

In one embodiment, the lever adjusting device comprises a lever platform arranged in the second water storage cavity, a lever rotatably connected with the lever platform, a floating platform arranged at one end of the lever, and a water guide control part arranged on the lower water opening and controlling the opening and closing of the lower water opening through the other end of the lever, wherein the floating platform is lifted by utilizing the water level of the second water storage cavity so that the water guide control part controls the opening and closing of the lower water opening.

In one embodiment, the water guide control part comprises a lifting shaft arranged on the lower water opening in a penetrating mode and a lower water opening cover arranged on the lifting shaft and used for covering the lower water opening, and the lower water opening cover is opened or covered on the lower water opening through lifting of the lifting shaft.

In one embodiment, a gathering groove for gathering water bodies extends from the position of the lower water opening on the first water storage cavity to the second water storage cavity, the lifting shaft is located in the gathering groove and penetrates through the lower water opening, and a guide support for providing lifting guide for the lifting shaft is arranged on the inner peripheral side of the gathering groove.

In one embodiment, the guide bracket comprises a guide ring sleeved on the outer periphery of the lifting shaft and a fixing rib connected between the inner periphery of the convergence groove and the guide ring.

In one embodiment, the bottom of the lifting shaft extends outwards to form a base, a first elastic member penetrates through the outer peripheral side of the lifting shaft, one end of the first elastic member abuts against the guide support, and the other end of the first elastic member abuts against the base.

In one embodiment, the drainage cover is used for covering one side of the drainage opening and is obliquely arranged from the periphery to the direction of the lifting shaft.

In one embodiment, the lever adjusting device comprises a lever platform arranged in the second water storage cavity, a lever rotationally connected with the lever platform, a floating platform arranged at one end of the lever, and a water guide control part movably connected with the other end of the lever and used for controlling the opening and closing of the drainage port; the floating platform realizes the lifting by utilizing the water level of the second water storage cavity so that the water guide control part controls the opening and closing of the water outlet.

In one embodiment, an atomizing assembly is further arranged in the humidifier body and comprises a heating body, and a heating surface of the heating body is located in the atomizing cavity, and the lowest position of the heating surface is shorter than the lowest position of the floating platform.

In one embodiment, the height of the bottom of the atomization cavity is shorter than that of the bottom of the second water storage cavity.

Compared with the prior art, the utility model has the following beneficial effects: the utility model controls the water outlet to be opened and closed by utilizing the water level of the second water storage cavity to control whether the water in the first water storage cavity flows into the atomization cavity or not by utilizing the lever principle of the arranged lever adjusting device, has simple principle, does not need to be provided with electronic elements, and has the advantages of reliable use and simple structure.

Drawings

Fig. 1 is a schematic perspective view of an evaporative humidifier according to the present invention.

Fig. 2 is a schematic view of an internal structure of the evaporative humidifier of the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 2.

Fig. 4 is a schematic perspective view of a lever adjustment device of an evaporative humidifier according to the present invention.

Fig. 5 is a schematic perspective view of a water guide control part of the evaporative humidifier according to the present invention.

The reference symbols in the figures represent the following meanings: a humidifier body 100; a first water storage cavity 2; a second water storage cavity 3; an atomizing chamber 4; a drain port 21; a lever adjusting device 5; a lever table 51; a lever 52; a floating platform 53; a water guide control unit 54; a lifting shaft 541; a drain cover 542; a sink 22; a guide bracket 6; a convergence station 23; a base 5411; a first elastic member 7; a surrounding baffle 61; a boss 521; a heating body 8; a heating tank 81; a line 9.

Detailed Description

To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As shown in fig. 1 to 4, the present invention discloses an evaporative humidifier, which includes a humidifier body 100, wherein the humidifier body 100 is respectively provided with a first water storage chamber 2 and an atomization chamber 4, and the first water storage chamber 2 and the atomization chamber 4 are relatively located at two sides of the humidifier body 100; the downside in first water storage chamber 2 is equipped with second water storage chamber 3, the bottom in first water storage chamber 2 is equipped with the lower mouth of a river 21 that communicates to second water storage chamber 3, so that the water in first water storage chamber 2 can flow into in second water storage chamber 3 through the lower mouth of a river 21 that sets up, it is further, second water storage chamber 3 is linked together with atomizing chamber 4, generally speaking, through pipeline 9 intercommunication, thereby make the water in second water storage chamber 3 can flow into atomizing chamber 4, first water storage chamber 2 and atomizing chamber 4 intercommunication and the water in first water storage chamber 2 can flow into atomizing chamber 4 in, it is further, through the atomization component who sets up in atomizing chamber 4, so that the water is the steam form and discharges outside the evaporative humidifier.

Wherein, be equipped with lever adjusting device 5 in the second water storage chamber 3, the lever adjusting device 5 who sets up is used for controlling the water yield that flows into atomizing chamber 4 from first water storage chamber 2 to reach the purpose of controlling atomizing chamber 4 water level. The lever adjusting device 5 controls whether the water in the first water storage cavity 2 flows into the atomizing cavity 4 or not by opening and closing the lower water opening 21 through the water level of the second water storage cavity 3, namely when the water in the atomizing cavity 4 gradually evaporates, the water level in the atomizing cavity 4 starts to gradually decrease, and the water level of the second water storage cavity 3 also gradually decreases, so that the lever adjusting device 5 controls the water in the first water storage cavity 2 to flow into the atomizing cavity 4 to supplement the water for the atomizing cavity 4 through the water level decrease of the second water storage cavity 3 to open the lower water opening 21; however, when the water level in the atomizing chamber 4 gradually rises, the water level in the second water storage chamber 3 also gradually rises, so that the lever adjusting device 5 can close the drain port 21 by utilizing the water level in the second water storage chamber 3 to control the water in the first water storage chamber 2 not to flow into the atomizing chamber 4, so as to control the water in the atomizing chamber 4 not to exceed the preset water level.

Therefore, the utility model controls whether the water in the first water storage cavity 2 flows into the atomization cavity 4 or not by opening and closing the water outlet 21 by utilizing the water level of the second water storage cavity 3 through the lever principle of the arranged lever adjusting device 5, has simple principle, does not need to be provided with electronic elements, and has the advantages of reliable use and simple structure.

For example, in one embodiment, the lever adjusting device 5 includes a lever platform 51 disposed in the second water storage cavity 3, a lever 52 rotatably connected to the lever platform 51, a floating platform 53 disposed at one end of the lever 52, and a water guiding control part 54 movably connected to the other end of the lever 52 (not shown) and used for controlling the opening and closing of the drain port 21; the floating platform 53 is lifted by the water level of the second water storage chamber 3, and the water guide controller 54 controls the opening and closing of the drain port 21. The arrangement mode of the lever platform 51 has various modes, and the lever platform 51 can be arranged at the bottom of the second water storage cavity 3 or at the top of the second water storage cavity 3, and in one embodiment, the lever platform 51 is arranged at the bottom of the second water storage cavity 3; further, the lever 52 is rotatably connected to the lever table 51, so that the lever 52 can rotate relative to the lever table 51; still further, the other end of the lever 52 is movably connected with a water guide control part 54 for controlling the opening and closing of the drain port 21, and the movable connection mode of the lever 52 and the water guide control part 54 can be pin joint or hinge joint (not shown), that is, the water guide control part 54 can rotate relative to the lever 52. Thus, in one embodiment, the principle of use of the lever adjustment device 5 is as follows: the floating platform 53 provided at one end of the lever 52 is raised or lowered according to the water level of the second water storage chamber 3, and correspondingly, the water guide control part 54 connected to the other end of the lever 52 is lowered or raised, so that the opening or closing of the drain port 21 is realized by the lowering or raising of the water guide control part 54 according to the preset. Specifically, in one embodiment, when the water level of the second water storage cavity 3 gradually decreases, the floating platform 53 which is arranged at one end of the lever 52 and floats on the water body also gradually decreases along with the water level, and due to the lever principle, one end of the lever 52 moves downwards and the other end of the lever 52 moves upwards, that is, the water guide control part 54 arranged at the other end of the lever 52 is driven to move upwards, so that the water outlet 21 is opened through the upward movement of the water guide control part 54, and the water in the first water storage cavity 2 is controlled to flow into the atomization cavity 4, so as to supplement the water body for the atomization cavity 4; on the contrary, when the water level in the atomizing chamber 4 gradually rises, the water level in the second water storage chamber 3 also gradually rises, the floating platform 53 which is arranged at one end of the lever 52 and floats on the water body also gradually rises along with the water surface, due to the lever principle, one end of the lever 52 moves upwards, and then the other end of the lever 52 moves downwards, namely the water guide control part 54 arranged at the other end of the lever 52 is driven to move downwards, so that the water outlet 21 is closed through the downward movement of the water guide control part 54, and therefore the water in the first water storage chamber 2 is controlled not to flow into the atomizing chamber 4, and the water body in the atomizing chamber 4 is controlled not to exceed the preset water level.

For example, in another embodiment, the lever adjusting device 5 includes a lever platform 51 disposed in the second water storage cavity 3, a lever 52 rotatably connected to the lever platform 51, a floating platform 53 disposed at one end of the lever 52, and a water guide control part 54 disposed on the drain 21 and controlling the opening and closing of the drain 21 through the other end of the lever 52, wherein the floating platform 53 is lifted and lowered by using the water level of the second water storage cavity 3, so that the water guide control part 54 controls the opening and closing of the drain 21. The arrangement mode of the lever platform 51 has various modes, and the lever platform 51 can be arranged at the bottom of the second water storage cavity 3 or at the top of the second water storage cavity 3, and in one embodiment, the lever platform 51 is arranged at the bottom of the second water storage cavity 3; further, the lever 52 is rotatably connected to the lever table 51, so that the lever 52 can rotate relative to the lever table 51; still further, the water guiding control part 54 is disposed on the drain port 21, and the water guiding control part 54 is controlled by the other end of the lever 52, that is, in one embodiment, as shown in fig. 4 and 5, the water guiding control part 54 and the lever 52 are two independent component structures, and the water guiding control part 54 acts on the water guiding control part 54 through the lever 52 by using the lever principle, so that the water guiding control part 54 controls the opening and closing of the drain port 21. Thus, in one embodiment, the principle of use of the lever adjustment device 5 is as follows: the floating platform 53 provided at one end of the lever 52 is raised or lowered according to the water level of the second water storage chamber 3, and correspondingly, the other end of the lever 52 applies force to the water guide control part 54 to realize the lowering or raising, so that the opening or closing of the drain port 21 is realized by the lowering or raising of the water guide control part 54 according to the preset. Specifically, in one embodiment, when the water level of the second water storage cavity 3 gradually decreases, the floating platform 53 which is arranged at one end of the lever 52 and floats on the water body also gradually decreases along with the water level, due to the lever principle, one end of the lever 52 moves downwards, and the other end of the lever 52 moves upwards, that is, the water guide control part 54 is moved upwards by the upward acting force of the other end of the lever 52, so that the water outlet 21 is opened by the upward movement of the water guide control part 54, and the water in the first water storage cavity 2 is controlled to flow into the atomization cavity 4, so as to supplement the water body for the atomization cavity 4; on the contrary, when the water level in the atomizing chamber 4 gradually rises, the water level of the second water storage chamber 3 also gradually rises, the floating platform 53 which is arranged at one end of the lever 52 and floats on the water body also gradually rises along with the water level, because of the lever principle, one end of the lever 52 moves upwards, the other end of the lever 52 moves downwards, namely, the other end of the lever 52 does not provide an upward acting force for the water guide control part 54 any more, but the water guide control part 54 has a downward moving force under the action of the water pressure, at this time, the other end of the lever 52 plays a limiting role, namely, before the water level of the second water storage chamber 3 reaches the preset water level, the other end of the lever 52 can limit the water guide control part 54 to completely close the water outlet 21, only when the water level of the second water storage chamber 3 reaches the preset water level, the other end of the lever 52 loses the limiting function for the water guide control part 54, the water guide control part 54 can completely close the water outlet 21 under the action of the water pressure, and then the closing of the lower water gap 21 is realized by the downward movement of the water guide control part 54, so as to control the water in the first water storage cavity 2 not to flow into the atomization cavity 4, so as to control the water in the atomization cavity 4 not to exceed the preset water level, and it should be noted that the advantage of the independent component arrangement mode adopted by the water guide control part 54 and the lever 52 is that firstly, a movable gap is arranged between the water guide control part 54 and the lever 52, so that when the water level in the second water storage cavity 3 drops to a certain degree, the floating platform 53 acts on the water guide control part 54 through the lever 52, so that the water level in the second water storage cavity 3 does not drop a little, the floating platform 53 acts on the water guide control part 54 through the lever 52 at once, so as to make the water guide control part 54 move a little upward, thereby avoiding the temperature in the atomization cavity 4 from being reduced by the continuous water discharge from the first water storage cavity 2 into the atomization cavity 4, affects atomization efficiency; secondly, the risk that the connecting part fails in operation is reduced, so that the working stability of the lever adjusting device 5 is improved.

It should be noted that, when the first water storage chamber 2 is full of water, the falling acting force of the floating platform 53 should be greater than the acting force of the water pressure on the water guide control part 54, so that the lever adjusting device 5 can still control the opening and closing of the drain 21 when the first water storage chamber 2 is full of water.

For example, as shown in fig. 5, in one embodiment, the water guide control part 54 includes a lifting shaft 541 disposed on the drain 21 in a penetrating manner, and a drain cover 542 disposed on the lifting shaft 541 and used for covering the drain 21, and the drain cover 542 realizes opening or covering of the drain 21 by lifting and lowering of the lifting shaft 541. Force is applied to the lifting shaft 541 through the other end of the lever 52 to lift the lifting shaft 541, so that the drain cover 542 is closed on the drain opening 21 through the lifting cover or the drain opening 21 is opened. Specifically, in one embodiment, when the lifting shaft 541 moves upward, the drain cover 542 moves upward to open the drain port 21; when the lifting shaft 541 is reset, the drain cover 542 moves down to cover the drain opening 21 to close the drain opening 21.

For example, in another embodiment (not shown), the water guide control part 54 includes a lower water cover 542 disposed in the second water storage chamber 3 and moving in the horizontal direction for covering the lower water opening 21, a lifting shaft 541 disposed in the second water storage chamber 3 for pushing the lower water cover 542 to move in the horizontal direction, and a second elastic member for providing a restoring force to the lower water cover 542. Force is applied to the elevating shaft 541 through the other end of the lever 52 to elevate the elevating shaft 541 and thus to the lower water cover 542, so that the lower water cover 542 is moved in the horizontal direction, thereby allowing the lower water cover 542 to cover the lower water opening 21 by the horizontal movement or opening the lower water opening 21. Specifically, in one embodiment, when the lifting shaft 541 moves upward, the drain cover 542 moves horizontally to open the drain port 21; when the lifting shaft 541 is reset, the drain cover 542 horizontally moves to cover the drain opening 21 to close the drain opening 21. Wherein, the second elastic component is a spring.

Wherein, on first water storage chamber 2 in the mouth of a river 21 position down to second water storage chamber 3 in extend have be used for assembling the groove 22 that converges of water, the lift axle 541 lies in assembling the inslot 22 and wears to establish on mouth of a river 21 down, the inner peripheral side of assembling the groove 22 is equipped with the guide bracket 6 that is used for providing the lift direction for lift axle 541. The converging groove 22 is provided to have the following functions: firstly, when the water amount in the first water storage cavity 2 is small, the water in the first water storage cavity 2 can be well drained through the gathering action of the gathering groove 22, so that the atomizing cavity 4 can be facilitated to maximally utilize the water in the first water storage cavity 2; secondly, the convergence groove 22 provides a good installation position for the guide support 6, and the guide support 6 is relatively directly arranged in the second water storage cavity 3, so that the structure is firmer and is not easy to damage; thirdly, the lever 52 can be limited by the converging groove 22, and when the other end of the lever 52 is limited by touching the bottom of the converging groove 22 during the ascending process, the ascending range of the ascending and descending shaft 541 can be limited.

Further, the bottom in first water storage chamber 2 is equipped with assembles platform 23, assembles groove 22 and is located assembles the platform 23, assembles the water source through the platform 23 that assembles that sets up earlier, and the rethread assembles groove 22 further assembles the water source, realizes the multistage gathering to the water in first water storage chamber 2 has been arranged better.

The guide bracket 6 includes a guide ring sleeved on the outer periphery of the lifting shaft 541, and a fixing rib connected between the inner periphery of the converging groove 22 and the guide ring. The guide ring that sets up is used for its guide effect to the lift axle 541 to make the relative guide ring oscilaltion of lift axle 541 move, fix the guide ring through the fixed muscle that sets up simultaneously, wherein, adopt fixed muscle to provide the passageway in order to let the water drain away, have simple structure's advantage.

The bottom of the lifting shaft 541 extends outward to form a base 5411, a first elastic element 7 is inserted on the outer periphery of the lifting shaft 541, one end of the first elastic element 7 abuts against the guide bracket 6, and the other end of the first elastic element 7 abuts against the base 5411. The first elastic member 7 is provided to provide a force to the lifting shaft 541, for example, in one embodiment, when the lifting shaft 541 moves down, the lower water cover 542 covers the lower water opening 21, so that the lower water cover 542 is provided with a force to press down by the first elastic member 7, so that the lower water cover 542 has a force to cover the lower water opening 21, and when the other end of the lever 52 is lowered, the lower water cover 542 is provided with a restoring force by the first elastic member 7. Wherein the first elastic member 7 is a spring.

Wherein, the guide bracket 6 is provided with a baffle 61 extending downwards for limiting the first elastic element 7. Enclose through the setting that keep off 61 to carry on spacingly to first elastic component 7 to avoid first elastic component 7 to appear walking the condition of position.

The lever 52 is provided with a boss 521 which is matched with the base 5411, and the boss 521 can be better abutted against the base 5411, so that the lever acts on the lifting shaft 541 better.

The drain cover 542 is provided to cover the drain port 21 and is inclined from the periphery toward the elevating shaft 541. So set up to the lid that makes lower water cover 542 can be better closes at lower mouth of a river 21, the dislocation can not appear, also sets up through the slope simultaneously, reduces the water resistance that receives when lower water cover 542 removes. For example, in one embodiment, when the drain cover 542 moves downward, the drain cover 542 covers the drain opening 21, and thus, the bottom of the drain cover 542 is inclined from the periphery toward the lifting shaft 541, so that the bottom of the drain cover 542 is in an inverted cone shape, and thus, when the drain cover 542 moves downward, the drain cover 542 can better cover the drain opening 21 by the guiding effect of the cone shape itself, and thus, the dislocation does not occur, and at the same time, the water resistance applied when the drain cover 542 covers the drain cover 542 is reduced.

Wherein, still be equipped with atomizing component in the humidifier body 100, atomizing component includes heating member 8, and the heating surface of heating member 8 is located atomizing chamber 4 and the height that the height of heating surface minimum is shorter than the height of floating platform 53 minimum. By the arrangement, the lever adjusting device 5 can work normally continuously. Specifically, for example, after first water storage chamber 2 drains water to second water storage chamber 3, the water level is more full and floating platform 53 rises to the highest point in second water storage chamber 3, at this moment, the water level in second water storage chamber 3 is higher than the height of the lowest point of floating platform 53, in addition, because the water yield is enough, so the liquid level in second water storage chamber 3 and the liquid level in atomizing chamber 4 are the same height, and then the height of the lowest point of heating surface is shorter than the height of the lowest point of floating platform 53, can ensure that the heating surface of heating member 8 can heat the water in atomizing chamber 4, make the water level in second water storage chamber 3 can descend, and then ensure that floating platform 53 can descend equally and realize lever adjusting device 5's continuation normal work. Therefore, in other cases, as long as the lowest position of the heating surface of the heating body 8 is ensured to be shorter than the lowest position of the floating platform 53, the floating platform 53 can be ensured to descend to realize the control of the opening and closing of the drainage port, and further, the lever adjusting device 5 can continuously and normally work.

Further, a heating groove 81 extends upward from the middle of the heating body 8. Through the heating groove 81 that sets up, the area of the heating surface of effective increase heating body 8 is favorable to improving atomization efficiency.

In one embodiment, the height of the bottom of the atomization chamber 4 is shorter than that of the bottom of the second water storage chamber 3. That is, the height of first water storage chamber 2 bottom is higher than the height of second water storage chamber 3 bottom, and the height of second water storage chamber 3 bottom is higher than the height of atomizing chamber 4 bottom, so set up, when can ensure the water yield less, the hydroenergy in first water storage chamber 2 and second water storage chamber 3 all completely flows atomizing chamber 4 in, makes atomizing chamber 4 can exhaust the water in the evaporation formula humidifier.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. The utility model provides an evaporative humidifier, includes the humidifier body, and this internal both sides of humidifier divide and are equipped with first water storage chamber and atomizing chamber, and the downside in first water storage chamber is equipped with second water storage chamber, and the bottom in first water storage chamber is equipped with the mouth of a river that feeds through to second water storage chamber, and second water storage chamber is linked together with the atomizing chamber, and its characterized in that, the intracavity of second water storage is equipped with lever adjusting device, and lever adjusting device utilizes the water level height in second water storage chamber to realize the switching of mouth of a river and whether the water in control first water storage chamber flows toward the atomizing intracavity.

2. The evaporative humidifier according to claim 1, wherein the lever adjusting means includes a lever platform disposed in the second water storage chamber, a lever rotatably connected to the lever platform, a floating platform disposed at one end of the lever, and a water guide control portion disposed on the drain port and controlling the opening and closing of the drain port through the other end of the lever, wherein the floating platform is lifted by the water level of the second water storage chamber to control the opening and closing of the drain port by the water guide control portion.

3. The evaporative humidifier according to claim 2, wherein the water guide control part includes a lifting shaft penetrating the drain port, and a drain cover provided on the lifting shaft and covering the drain port, and the drain cover is opened or covered by the lifting shaft.

4. The evaporative humidifier according to claim 3, wherein a collecting groove for collecting water is formed in the first water storage chamber at the position of the drain opening and extends into the second water storage chamber, the lifting shaft is located in the collecting groove and penetrates through the drain opening, and a guide bracket for providing lifting guide for the lifting shaft is provided at an inner peripheral side of the collecting groove.

5. The evaporative humidifier according to claim 4, wherein the guide holder includes a guide ring fitted around an outer peripheral side of the elevating shaft, and a fixing rib connected between an inner peripheral side of the collecting groove and the guide ring.

6. The evaporative humidifier according to claim 4, wherein a bottom of the elevating shaft is extended outward to form a base, a first elastic member is inserted into an outer circumferential side of the elevating shaft, one end of the first elastic member abuts against the guide bracket, and the other end of the first elastic member abuts against the base.

7. The evaporative humidifier according to claim 3, wherein the drain cover is provided to cover a side of the drain opening to be inclined from the periphery toward the elevating axis.

8. The evaporative humidifier according to claim 1, wherein the lever adjusting means includes a lever platform disposed in the second water storage chamber, a lever rotatably connected to the lever platform, a floating platform disposed at one end of the lever, and a water guide control portion movably connected to the other end of the lever and controlling the opening and closing of the drain; the floating platform realizes the lifting by utilizing the water level of the second water storage cavity so that the water guide control part controls the opening and closing of the water outlet.

9. The evaporative humidifier according to claim 2 or 8, wherein the humidifier body further comprises an atomizing assembly, the atomizing assembly comprises a heating body, the heating surface of the heating body is located in the atomizing chamber, and the lowest position of the heating surface is shorter than the lowest position of the floating platform.

10. The evaporative humidifier according to claim 1, wherein the bottom of the atomizing chamber is shorter than the bottom of the second water storage chamber.

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