Evaporative humidifier

Abstract

This utility model relates to the field of humidifier technology, providing an evaporative humidifier, including a shell, a humidification component, a first water tank, and a second water tank. The shell includes a first shell, a second shell, and a third shell arranged sequentially from top to bottom. The humidification component is detachably disposed in the second shell. The second water tank is detachably disposed in the third shell. The first water tank is detachably disposed in the first shell and connected to the second water tank via a drain pipe. The first water tank includes a first housing, and the bottom of the first housing has a drain outlet connected to the drain pipe. The drain outlet is equipped with a drain valve for controlling the opening and closing of the drain outlet. Thus, the second water tank supplies water to the humidification component, and the first water tank can be used to replenish the second water tank, increasing the water storage capacity of the evaporative humidifier. Both water tanks can be detached for refilling, resulting in high water refill efficiency.

Description

Technical Field

[0001] This utility model relates to the field of humidifier technology, and in particular to an evaporative humidifier. Background Technology

[0002] As a household appliance that improves indoor air humidity, the performance requirements for humidifiers are increasing with the improvement of people's living standards and the growing demand for a healthy environment. In particular, in large spaces or dry environments, users' needs for high humidification capacity and long-term continuous operation are becoming more and more prominent.

[0003] Currently, the mainstream humidifiers on the market are mainly divided into two categories: atomizing humidifiers and evaporative humidifiers. Although the two types of humidifiers differ in their humidification principles, they generally adopt a single water tank configuration in their structural design, meaning that the device only has one water storage unit for water supply. This single water tank design has certain advantages in meeting daily small-scale humidification needs, but when facing large-scale humidification applications, the limited volume of the single water tank usually results in a shorter continuous operating time for the humidifier. Moreover, under high humidity settings or in large spaces, users need to frequently add water, which not only increases the burden on the user but also interrupts the normal operation of the device, affecting the continuity and stability of the humidification effect, leading to a poor user experience. Although some products extend their operating time by increasing the water tank capacity, the space for capacity increase is limited by the overall structural design.

[0004] Therefore, how to solve the problem of low water storage capacity in humidifiers in related technologies has become an important technical problem to be solved by those skilled in the art. Utility Model Content

[0005] This invention provides an evaporative humidifier to address the shortcomings of humidifiers in the related art, such as low water storage capacity.

[0006] This utility model provides an evaporative humidifier, comprising: The housing includes a first housing, a second housing, and a third housing arranged sequentially from top to bottom; The humidification component is detachably disposed in the second housing; The second water tank is detachably installed in the third housing; The first water tank is detachably installed in the first housing and is connected to the second water tank through a drain pipe. The first water tank includes a first tank body, and the bottom of the first tank body is provided with a drain outlet connected to the drain pipe. The drain outlet is provided with a drain valve, which is used to control the opening and closing of the drain outlet.

[0007] According to the present invention, an evaporative humidifier is provided with a handle on the first housing, and the handle is rotatably and sealingly connected to the first housing.

[0008] According to the present invention, an evaporative humidifier has a handle with two oppositely arranged pivot parts, and each pivot part is provided with at least one sealing ring. The first housing is provided with a rotating groove corresponding to the rotating shaft. The rotating shaft is rotatably inserted into the rotating groove, and the sealing ring is squeezed into the assembly gap between the rotating shaft and the rotating groove.

[0009] According to the present invention, an evaporative humidifier is provided in which the handle is arranged around the outer contour of the first housing, and the first housing is provided with a notch corresponding to the handle, and the handle is stored in the notch when the housing is flat.

[0010] According to the present invention, the first water tank further includes a first cover that seals the opening end of the first tank body. An air inlet cover is provided on the first cover, and an air inlet hole is formed by the gap between the air inlet cover and the first cover in the assembly direction.

[0011] According to the present invention, in an evaporative humidifier, the air inlet area is greater than or equal to the water outlet area.

[0012] According to the present invention, an evaporative humidifier is provided in which a drain chamber is provided in the first housing corresponding to the position of the drain outlet, and a valve body control mechanism is provided in the drain chamber. The valve body control mechanism is used to control the opening degree of the drain valve to open the drain outlet.

[0013] According to the present invention, an evaporative humidifier is provided, wherein the drain valve includes a valve cover, an elastic element and a valve core arranged coaxially. The valve cover is disposed on the first housing, the valve core is disposed inside the valve cover, the elastic element is disposed between the valve cover and the valve core, and the valve core is subjected to an elastic force by the elastic element and has a tendency to move toward the drain outlet. The valve body control mechanism includes a gear and rack transmission assembly and a push rod. The push rod is connected to the gear and rack transmission assembly, and the gear and rack transmission assembly is used to drive the push rod to push the valve core to move away from the drain outlet.

[0014] According to the present invention, an evaporative humidifier includes a water collection chamber, a drain chamber, and a hydrophobic grid disposed between the water collection chamber and the drain chamber. The water collection chamber is disposed corresponding to the drain outlet, and the drain chamber is disposed corresponding to the water inlet of the drain pipe.

[0015] According to the present invention, an evaporative humidifier is provided with a trigger on the handle, and a sensor is provided on the part of the first housing corresponding to the handle. The sensor emits a sensing signal when the trigger is touched or near the trigger. The valve body control mechanism is electrically connected to the sensor.

[0016] According to the present invention, an evaporative humidifier has a first housing with a clearance area for the handle to rotate. A limiting groove is provided in the clearance area. The handle is provided with a limiting part extending into the limiting groove. The limiting part moves within the limiting groove and is limited when it contacts the end face of the limiting groove.

[0017] According to the present invention, the opening of the first housing is arranged facing upwards, and the openings of the second and third housings are arranged in a horizontal direction.

[0018] This utility model provides an evaporative humidifier, including a shell, a humidification component, a first water tank, and a second water tank. The shell includes a first shell, a second shell, and a third shell, arranged sequentially from top to bottom. The first water tank is detachably disposed within the first shell, the humidification component is detachably disposed within the second shell, and the second water tank is detachably disposed within the third shell. Both the first and second water tanks can be removed from the shell for water filling. The second water tank supplies water to the humidification component. The first water tank is connected to the second water tank via a drain pipe, allowing water in the first tank to flow to the second water tank for replenishment. The first water tank includes a first body, with a drain outlet at the bottom connected to the drain pipe. The drain outlet has a drain valve for controlling its opening and closing. When water needs to be added to the second water tank, the drain valve opens the drain outlet, allowing water in the first water tank to flow to the second water tank under gravity. When it is not necessary to add water to the second water tank, the drain valve is closed to prevent water from the first water tank from flowing into the second water tank. With this configuration, the evaporative humidifier provided by this invention has two water tanks. The second water tank is used to add water to the humidification components, and the first water tank can be used to replenish the second water tank, increasing the water storage capacity of the evaporative humidifier and solving the problem of low water storage capacity in related technologies.

[0019] Furthermore, both the first and second water tanks can be removed for refilling, ensuring high water filling efficiency. The two water tanks are strategically positioned above and below the humidification unit, making full use of the humidifier's space. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0021] Figure 1 This is a partial structural schematic diagram of the evaporative humidifier provided by this utility model.

[0022] Figure 2 This is a schematic diagram showing the relative positions of the first water tank, the second water tank, and the underwater pipe provided by this utility model.

[0023] Figure 3 This is a schematic diagram of the structure of the first water tank provided by this utility model.

[0024] Figure 4 This is a structural schematic diagram of the drain valve provided by this utility model.

[0025] Figure 5 This is a schematic diagram of the structure of the drain valve and valve body control mechanism provided by this utility model.

[0026] Figure 6 This is a schematic diagram of the connection structure between the handle and the first box body provided by this utility model.

[0027] Figure 7 This is a schematic diagram of the cooperation structure between the handle and the first housing provided by this utility model.

[0028] Figure label: 1. First water tank; 2. Humidification component; 3. Second water tank; 4. Drain pipe; 5. First housing; 6. First box body; 7. Vent hole; 8. Handle; 9. Connecting part; 10. Rotating shaft part; 11. Connecting piece; 12. Sealing ring; 13. Limiting part; 14. Limiting groove; 15. First box cover; 16. Air inlet cover; 17. Drainage grille; 18. Water collection chamber; 19. Drainage chamber; 20. Valve cover; 21. Valve core; 22. Elastic element; 23. Sealing gasket; 24. Valve body control mechanism; 25. Gear; 26. Rack; 27. Top rod; 28. Second box body; 29. ​​Second box cover; 30. Drain outlet; 31. Second housing; 32. Third housing. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0030] The following is combined with Figures 1 to 7 This invention describes an evaporative humidifier.

[0031] like Figures 1 to 7 As shown, the evaporative humidifier provided in this embodiment of the present invention includes a shell, a humidification component 2, a first water tank 1, and a second water tank 3.

[0032] Specifically, the housing includes a first housing 5, a second housing 31, and a third housing 32, which are arranged sequentially from top to bottom. The first water tank 1 is detachably disposed within the first housing 5, the humidification component 2 is detachably disposed within the second housing 31, and the second water tank 3 is detachably disposed within the third housing 32.

[0033] The upper end of the first water tank 1 and the upper end of the second water tank 3 are both equipped with controllable water inlets, through which water can be added to the first water tank 1 and the second water tank 3.

[0034] Both the first water tank 1 and the second water tank 3 can be removed from the casing. When water needs to be added, the first water tank 1 and the second water tank 3 can be removed from the first casing 5 and the third casing 32 for convenient water addition. Adding water through separate inlets improves water addition efficiency.

[0035] The second water tank 3 is used to supply water to the humidification component 2. The first water tank 1 is connected to the second water tank 3 through the drain pipe 4. The water in the first water tank 1 can flow to the second water tank 3 through the drain pipe 4 to replenish the second water tank 3.

[0036] The first water tank 1 includes a first tank body 6. The bottom of the first tank body 6 is provided with a drain outlet 30 connected to a drain pipe 4. The drain outlet 30 is equipped with a drain valve, which controls the opening and closing of the drain outlet 30. When water needs to be added to the second water tank 3, the drain valve opens the drain outlet 30, allowing water in the first water tank 1 to flow into the second water tank 3 under gravity. When water does not need to be added to the second water tank 3, the drain valve closes the drain outlet 30 to prevent water from flowing from the first water tank 1 into the second water tank 3.

[0037] With this configuration, the evaporative humidifier provided in this embodiment of the present invention has two water tanks. The second water tank 3 is used to add water to the humidification component 2, and the first water tank 1 can be used to replenish the second water tank 3, thereby increasing the water storage capacity of the evaporative humidifier and solving the problem of low water storage capacity in humidifiers in related technologies.

[0038] Furthermore, both the first water tank 1 and the second water tank 3 can be removed for water filling, resulting in high water filling efficiency. The two water tanks are located above and below the humidification component 2, respectively, in a rational layout that makes full use of the humidifier's space.

[0039] In this embodiment, a handle 8 is provided on the first box 6 for easy lifting. The handle 8 is rotatably and sealingly connected to the first box 6 to prevent water inside the first box 6 from leaking out from the connection structure between the handle 8 and the first box 6. The connection structure between the handle 8 and the first box 6 does not affect the sealing performance of the first box 6, nor does it affect the capacity of the first box 6.

[0040] The handle 8 has a lifting part and a pair of connecting parts 9. The lifting part is used for lifting and applying force, and the pair of connecting parts 9 are distributed on opposite sides of the first box body 6. The two ends of the lifting part are fixedly connected to the first ends of the pair of connecting parts 9 respectively. Specifically, the pair of connecting parts 9 and the lifting part are connected together to form a U-shape.

[0041] In this embodiment, the handle 8 has two opposing rotating shaft portions 10, each corresponding to a connecting portion 9. The rotating shaft portion 10 is located on the side of the connecting portion 9 closest to the first housing 6. Each rotating shaft portion 10 is provided with two sealing rings 12. The first housing 6 is provided with a rotating groove corresponding to the rotating shaft portion 10. The rotating shaft portion 10 is rotatably inserted into the rotating groove, and the sealing rings 12 are pressed into the assembly gap between the rotating shaft portion 10 and the rotating groove.

[0042] The sealing ring 12 allows the rotating shaft 10 to rotate while ensuring a seal between the rotating shaft 10 and the rotating groove. This prevents water in the first tank 6 from leaking through the gap between the rotating shaft 10 and the rotating groove, and removes the restriction of the rotating groove position on the water level in the first tank 6.

[0043] The sealing ring 12 also provides rotational damping for the handle 8, enhancing the rotational damping feel of the handle 8.

[0044] To ensure the positional stability of the rotating shaft 10 within the rotating groove and to prevent it from dislodging, the handle 8 also includes a connector 11. The connector 11 extends through the rotating groove from the inside of the first housing 6 and is threadedly connected to the rotating shaft 10. Figure 6 As shown.

[0045] Connector 11 may be, but is not limited to, a screw, the threaded end of which passes through the rotating groove from the inside of the first housing 6 and is threadedly connected to the rotating shaft 10, such as... Figure 6 As shown. The nut end of the screw is located inside the first housing 6, and the nut end of the screw abuts against the wall of the rotating groove. Through the interaction between the nut end of the screw and the wall of the rotating groove, the rotating shaft 10 can be prevented from coming out of the rotating groove. It should be noted that the screw is located inside the first housing 6 and will not affect the overall appearance of the handle 8.

[0046] like Figures 1 to 3 As shown, in this embodiment, the handle 8 is arranged around the outer contour of the first housing 6, and the first housing 5 is provided with a notch corresponding to the handle 8 (not shown in the figure). Continuing to refer to... Figure 1 When the handle 8 is in the retracted state, that is, when the handle 8 lies flat in the notch and coincides with the outer contour of the first housing 5, it does not affect the appearance of the machine. When the user needs to remove the first water tank 1, the handle 8 can be rotated and lifted, so that the handle 8 changes to the lifting state. At this time, the handle 8 stands upright relative to the first housing 6, and the user can easily remove the first water tank 1 from the first housing 5.

[0047] In this embodiment of the invention, the first water tank 1 further includes a first tank cover 15, which seals the opening of the first tank body 6. The opening of the first tank body 6 serves as the water inlet, and the first tank cover 15 is detachably connected to the first tank body 6. When water needs to be added to the first water tank 1, the first tank cover 15 can be removed from the first tank body 6 for water addition. After water addition is complete, the first tank cover 15 is reconnected to the first tank body 6 to cover the upper opening of the first tank body 6, preventing external impurities from entering the first water tank 1.

[0048] An air inlet cover 16 is provided on the first tank cover 15, and an air inlet hole is formed by the gap between the air inlet cover 16 and the first tank cover 15 in the assembly direction. The air inlet hole allows gas from outside the first tank body 6 to enter, so that the internal and external pressures of the first water tank 1 are consistent, ensuring smooth water flow from the first water tank 1.

[0049] Furthermore, the air intake area of ​​the air inlet is greater than or equal to the drainage area of ​​the drain outlet 30, and the speed at which external air enters the first tank 6 is greater than the speed at which water in the first tank 6 is discharged outward, which can further improve the drainage smoothness of the first water tank 1.

[0050] The edge of the first box cover 15 is detachably connected to the open end of the first box body 6. Specifically, they can be connected by snap-fit ​​or interference fit.

[0051] A mounting hole is provided on the first cover 15, and an air intake cover 16 is disposed at the location of the mounting hole. The air intake cover 16 includes a cover plate and a side plate. The cover plate corresponds to the mounting hole, and the side plate is fixedly disposed on the side of the cover plate near the first cover 15, extending circumferentially along the cover plate. The side plate is detachably connected to the first cover 15, and a vent 7 is disposed on the side plate. (Refer to...) Figure 3 Multiple vent holes 7 are provided, and the multiple vent holes 7 are distributed at intervals along the circumference of the first cover 15. In this way, the vent holes 7 are set on the side wall of the air inlet cover 16 to achieve concealed air intake, which combines air intake function and aesthetics.

[0052] In some embodiments, along the opening direction of the mounting hole, the projection area of ​​the mounting hole is located inside the projection area of ​​the cover plate. In this case, each vent hole 7 is located below the cover plate, which can further improve the concealment of the vent holes 7.

[0053] In this embodiment of the present invention, a drain chamber is provided in the first housing 5 at the position corresponding to the drain outlet 30. The drain chamber is provided with a valve body control mechanism 24, which is used to control the opening degree of the drain valve to open the drain outlet 30.

[0054] In this embodiment, the drain valve includes a valve cover 20, an elastic element 22, and a valve core 21, which are coaxially arranged. The valve cover 20 is disposed on the first housing 6 and is fixedly disposed above the drain outlet 30. A water inlet hole is provided on the side wall of the valve cover 20, through which water in the first housing 6 can enter the interior of the valve cover 20.

[0055] The valve core 21 is located inside the valve cover 20. The valve core 21 can slide back and forth along the opening direction of the drain outlet 30. When the valve core 21 slides relative to the valve cover 20, the valve core 21 can move closer to or further away from the drain outlet 30.

[0056] The elastic element 22 is disposed between the valve cover 20 and the valve core 21. The valve core 21 is subjected to an elastic force by the elastic element 22 and has a tendency to move towards the lower water outlet 30, ensuring that the valve core 21 is pressed against the lower water outlet 30, thereby sealing the lower water outlet 30.

[0057] A sealing element is provided at one end of the valve core 21 near the drain outlet 30. The sealing element is pressed tightly against the drain outlet 30 under the force applied by the elastic element 22 to the valve core 21. The deformation of the sealing element under pressure can better form a sealing relationship with the drain outlet 30, ensuring the sealing effect.

[0058] Specifically, in this embodiment, the sealing element is a sealing gasket 23. The sealing gasket 23 is pressed against the tank wall around the drain outlet 30 by the elastic element 22, thereby sealing the drain outlet 30.

[0059] It should be noted that the sealing element is not limited to the sealing gasket 23, but can also be a sealing plug that can be inserted into the drain outlet 30.

[0060] The valve body control mechanism 24 is used to drive the valve core 21 to overcome the elastic force of the elastic element 22 and move away from the drain outlet 30, thereby opening the drain outlet 30. The valve body control mechanism 24 can also control the distance between the valve core 21 and the drain outlet 30, thereby controlling the size of the drain gap between the valve core 21 and the drain outlet 30 and controlling the drain flow rate.

[0061] In a specific embodiment, the valve body control mechanism 24 includes a gear and rack transmission assembly and a push rod 27. The push rod 27 is connected to the gear and rack transmission assembly, which is used to drive the push rod 27 to push the valve core 21 to move in a direction away from the drain outlet 30.

[0062] The gear and rack transmission assembly includes a gear 25 and a rack 26. The axis of the rack 26 is aligned with the opening direction of the drain outlet 30. The upper end of the rack 26 is connected to a push rod 27, which abuts against the valve core 21. The gear 25 is driven by the rack 26, and the gear 25 is also driven by the output shaft of the motor. The output shaft of the motor can drive the gear 25 to rotate, thereby causing the rack 26 to slide along the opening direction of the drain outlet 30. This, in turn, causes the push rod 27 to slide along the opening direction of the drain outlet 30, controlling the size of the drain gap between the valve core 21 and the drain outlet 30. The larger the axial distance between the valve core 21 and the drain outlet 30, the larger the drain gap; conversely, the smaller the axial distance between the valve core 21 and the drain outlet 30, the smaller the drain gap.

[0063] In this embodiment, the drainage chamber includes a water collection chamber 18, a drainage chamber 19, and a drainage grid 17. The drainage grid 17 is disposed between the water collection chamber 18 and the drainage chamber 19. The water collection chamber 18 is correspondingly disposed with the drain outlet 30, and the drainage chamber 19 is correspondingly disposed with the inlet of the drain pipe 4.

[0064] Water in the first tank 6 enters the water collection chamber 18 through the drain outlet 30, then enters the drainage chamber 19 through the drainage grille 17, and finally enters the drain pipe 4. This design reduces drainage noise.

[0065] In this embodiment of the invention, a trigger is provided on the handle 8, and a sensor is provided on the portion of the first housing 5 corresponding to the handle 8. The sensor emits a sensing signal when the trigger contacts or approaches. The valve body control mechanism 24 is electrically connected to the sensor.

[0066] Specifically, the trigger can be a magnet, and the sensor can be a Hall sensor. When the handle 8 is rotated to the storage state, the magnet and the Hall sensor are aligned, and the magnet can trigger the Hall sensor.

[0067] When the sensor is triggered, it indicates that the first water tank 1 is in place. At this time, the valve body control mechanism 24 receives the water tank placement signal. The valve body control mechanism 24 controls the drain valve based on the water tank placement signal and the water shortage signal of the second water tank 3. The drain valve will only open the drain outlet 30 when both the water tank placement signal and the water shortage signal of the second water tank 3 are received simultaneously. If only the water shortage signal of the second water tank 3 is received, and the water tank placement signal is not received, it means that the first water tank 1 is not in place, and the drain valve will not open the drain outlet 30. This avoids water leakage caused by the first water tank 1 not being in place, ensuring drainage safety.

[0068] During the operation of the humidifier, the system can determine whether the second water tank 3 is short of water based on the operating time of the humidification component 2 or the water level in the second water tank 3. When the operating time of the humidification component 2 reaches a preset time or the water level in the second water tank 3 drops to a preset value, it is determined that the second water tank 3 is short of water, which serves as a water shortage signal for the second water tank 3.

[0069] In this embodiment, the first housing 5 has a clearance area for the handle 8 to rotate, and a limiting groove 14 is provided in the clearance area. The handle 8 is provided with a limiting part 13 extending into the limiting groove 14. The limiting part 13 moves within the limiting groove 14 and is limited when it contacts the end face of the limiting groove 14.

[0070] The limiting part 13 can be a protrusion formed at the second end of the connecting part 9. The limiting groove 14 extends in an arc shape, and the center of the arc is located on the rotation axis of the connecting part 9 relative to the first housing 6. The limiting part 13 and the limiting groove 14 are slidably engaged, and when the handle 8 rotates relative to the first housing 6, the limiting part 13 slides along the limiting groove 14. By setting the limiting structure, the rotation of the handle 8 is limited to a specific range, avoiding excessive rotation of the handle 8 and collision or interference with other structures, which could damage the handle 8 or cause abnormal noise, affecting the user experience.

[0071] In this embodiment, the opening of the first housing 5 faces upwards. The first water tank 1 can be placed inside the first housing 5 or removed from it through the upper opening. Figure 1 As shown. The openings of the second housing 31 and the third housing 32 are arranged in a horizontal direction. The humidification component 2 can be placed inside the second housing 31 or removed from the second housing 31 through the side opening of the second housing 31. The second water tank 3 can be placed inside the third housing 32 or removed from the third housing 32 through the side opening of the third housing 32.

[0072] A handle can be installed on the side wall of the second water tank 3 to facilitate the application of force.

[0073] The second water tank 3 includes a second tank body 28 and a second tank cover 29. The upper end of the second tank body 28 is open, serving as a water inlet. This design maximizes the area of ​​the second water inlet, making water addition more convenient and improving water filling efficiency. The edge of the second tank cover 29 is detachably connected to the open end of the second tank body 28, specifically, through a snap-fit ​​or interference fit.

[0074] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An evaporative humidifier, characterized by, include: The housing includes a first housing (5), a second housing (31), and a third housing (32) arranged sequentially from top to bottom. The humidification component (2) is detachably disposed in the second housing (31); The second water tank (3) is detachably installed in the third housing (32); The first water tank (1) is detachably installed in the first housing (5) and connected to the second water tank (3) through the drain pipe (4). The first water tank (1) includes a first tank body (6). The bottom of the first tank body (6) is provided with a drain outlet (30) connected to the drain pipe (4). The drain outlet (30) is provided with a drain valve, which is used to control the opening and closing of the drain outlet (30).

2. The evaporative humidifier of claim 1, wherein, The first box (6) is provided with a handle (8), which is rotatably and sealingly connected to the first box (6).

3. The evaporative humidifier of claim 2, wherein, The handle (8) has two oppositely arranged pivot parts (10), and the pivot parts (10) are provided with at least one sealing ring (12). The first housing (6) is provided with a rotating groove corresponding to the rotating shaft (10). The rotating shaft (10) is rotatably inserted into the rotating groove, and the sealing ring (12) is squeezed into the assembly gap between the rotating shaft (10) and the rotating groove.

4. The evaporative humidifier of claim 2, wherein, The handle (8) is arranged around the outer contour of the first box body (6), and the first shell (5) is provided with a notch corresponding to the handle (8). The handle (8) is stored in the notch when it is laid flat.

5. The evaporative humidifier of claim 1, wherein, The first water tank (1) also includes a first tank cover (15) that covers the opening end of the first tank body (6). An air inlet cover (16) is provided on the first tank cover (15). An air inlet hole is formed by the gap between the air inlet cover (16) and the first tank cover (15) in the assembly direction.

6. The evaporative humidifier of claim 5, wherein, The air intake area of ​​the air inlet is greater than or equal to the drainage area of ​​the drain (30).

7. The evaporative humidifier of claim 2, wherein, The first housing (5) is provided with a drain chamber at the position corresponding to the drain outlet (30). The drain chamber is provided with a valve body control mechanism (24). The valve body control mechanism (24) is used to control the opening degree of the drain valve to open the drain outlet (30).

8. The evaporative humidifier of claim 7, wherein, The drain valve includes a valve cover (20), an elastic element (22), and a valve core (21) arranged coaxially. The valve cover (20) is disposed on the first housing (6). The valve core (21) is disposed inside the valve cover (20). The elastic element (22) is disposed between the valve cover (20) and the valve core (21). The valve core (21) is subjected to an elastic force by the elastic element (22) and has a tendency to move toward the drain outlet (30). The valve body control mechanism (24) includes a gear and rack transmission assembly and a push rod (27). The push rod (27) is connected to the gear and rack transmission assembly. The gear and rack transmission assembly is used to drive the push rod (27) to push the valve core (21) to move away from the drain outlet (30).

9. The evaporative humidifier according to claim 7, characterized in that, The drainage chamber includes a water collection chamber (18), a drainage chamber (19), and a hydrophobic grid (17) disposed between the water collection chamber (18) and the drainage chamber (19). The water collection chamber (18) is disposed corresponding to the drain outlet (30), and the drainage chamber (19) is disposed corresponding to the inlet of the drain pipe (4).

10. The evaporative humidifier of claim 7, wherein, A trigger is provided on the handle (8), and a sensor is provided on the part of the first housing (5) corresponding to the handle (8). The sensor emits a sensing signal when the trigger touches or approaches. The valve body control mechanism (24) is electrically connected to the sensor.

11. The evaporative humidifier of claim 2, wherein, The first housing (5) has a clearance area for the handle (8) to rotate. A limiting groove (14) is provided in the clearance area. The handle (8) is provided with a limiting part (13) extending into the limiting groove (14). The limiting part (13) moves in the limiting groove (14) and is limited when it contacts the end face of the limiting groove (14).

12. The evaporative humidifier of claim 2, wherein, The opening of the first housing (5) is set upward, and the openings of the second housing (31) and the third housing (32) are set in the horizontal direction.

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