Pure type evaporative humidifier

Abstract

The application discloses a pure type evaporative humidifier and relates to the technical field of humidifiers, which has the advantages of supporting water-absorbing cotton and reducing the deformation of the water-absorbing cotton after water absorption. The technical scheme is as follows: the pure type evaporative humidifier comprises an upper shell, a water tank, a middle ring, a back-shaped frame support, the upper shell is located above the water tank, the middle ring is arranged at the bottom end of the upper shell, the back-shaped frame support is arranged in the water tank, two mounting plates are arranged in the upper shell, an arc-shaped flow guide plate is arranged between the two mounting plates, an air inlet is arranged on one side of the upper shell, a cross-flow fan wheel is rotatably connected between the two mounting plates, an air outlet is arranged at the top end of the upper shell, a heating assembly is arranged at the bottom end of the arc-shaped flow guide plate, one end of the heating assembly is provided with a partition plate, a baffle is arranged on the partition plate, a wind deflector is arranged on the baffle, a filter screen support is rotatably connected between the opposite sides of the back-shaped frame support, a water-absorbing cotton ring is arranged on the filter screen support, and a driving element for driving the cross-flow fan wheel and the filter screen support to rotate is arranged on one of the mounting plates.

Description

Technical Field

[0001] This invention relates to the field of humidifier technology, specifically a pure evaporative humidifier. Background Technology

[0002] With economic development and the improvement of people's living standards, people have increasingly higher requirements for quality of life and health. This is how air humidifiers have gradually entered many homes around the world, becoming an indispensable small household appliance for families in dry areas.

[0003] Currently, Chinese patent application number CN201720040122.2 discloses a filter material structure for an evaporative humidifier. The evaporative humidifier includes a shell with a top cover, the shell being composed of an upper shell and a lower shell joined together by a connecting component. The evaporative humidifier also includes a water tank located inside the lower shell and capable of holding water, and a fan assembly located inside the upper shell and above the water tank. The outer wall of the lower shell has several air inlets, and the cover has several air outlets. The filter material structure includes filter material, and the connecting component has corresponding positions on the filter material for... Gas enters the upper shell through an opening in the lower shell. The filter media consists of an soaking section and an evaporation section. The soaking section is immersed in water to absorb water, thus ensuring that the evaporation section exposed to the air is evenly and quickly saturated. The water is naturally evaporated from the evaporation section by a fan assembly and then discharged outwards through the opening and air outlet, ultimately humidifying the surrounding space. The filter media structure also includes several fixed structural components mounted on the filter media to support and fix it, allowing for free adjustment of the filter media's shape to change the contact area between the filter media and the air. The soaking section and the evaporation section are integrally molded. The existing technology addresses the problem that filter media lacks a supporting structure, deforms after absorbing water, and is easily broken, severely affecting its absorbency and service life. Since filter media is generally absorbent cotton, the applicant has developed a new technical solution to solve these problems during actual production. Summary of the Invention

[0004] The purpose of this invention is to provide a pure evaporative humidifier that supports the absorbent cotton and reduces its deformation after absorbing water.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0006] This invention provides a pure-type evaporative humidifier, comprising an upper shell, a water tank, a middle ring, and a U-shaped frame support. The upper shell is located above the water tank, the middle ring is positioned at the bottom of the upper shell, and the U-shaped frame support is horizontally positioned between opposite sides inside the water tank. The bottom end of the middle ring extends into the water tank and contacts the top end of the U-shaped frame support. Two opposing mounting plates are provided between opposite sides inside the upper shell, and an arc-shaped guide plate is provided between the two mounting plates. An air inlet is provided on one side of the upper shell, and a U-shaped frame support is provided between the two mounting plates. A cross-flow impeller is movably connected between the arc-shaped guide plate and the air inlet. The top of the upper shell is provided with an air outlet. The bottom of the arc-shaped guide plate is provided with a heating component. The end of the heating component away from the arc-shaped guide plate is provided with a partition. A baffle is provided on the partition. The top of the baffle is provided with a guide plate located below the cross-flow impeller. A filter support is rotatably connected between the opposite sides of the U-shaped frame bracket. The filter support is provided with a water-absorbing cotton ring. One of the mounting plates is provided with a driving component for driving the cross-flow impeller and the filter support to rotate.

[0007] The filter support includes two opposing mounting rings, which are connected by several support rods. Each support rod is evenly distributed along the circumference of the mounting ring. Absorbent cotton rings are disposed on the outer wall of each support rod. The two mounting rings are rotatably connected to opposite sides of the U-shaped frame support.

[0008] By adopting the above technical solution, the absorbent cotton ring can be supported by various support rods, thereby reducing the deformation of the absorbent cotton ring after absorbing water. The drive component drives the cross-flow impeller and filter screen bracket to rotate. At this time, the absorbent cotton ring rotates with the filter screen bracket. The absorbent cotton ring absorbs water in the water tank. The cross-flow impeller draws outside air from the air inlet into the space between the two mounting plates, and then blows it onto the absorbent cotton ring after passing through the heating component between the arc-shaped guide plate and the baffle. At this time, the water absorbed by the absorbent cotton ring can be evaporated and discharged outward from the air outlet to humidify the surrounding space. It is simple and convenient to use.

[0009] Preferably, the driving component includes a synchronous motor mounted on the mounting plate, and a main gear is fixedly connected to one end of the rotating shaft of the synchronous motor. A secondary gear and a turntable are coaxially provided on opposite sides of the two mounting rings, and the secondary gear and the turntable are rotatably connected to opposite sides of the U-shaped frame bracket. The secondary gear is located below the main gear and meshes with the main gear. A shaded pole motor for driving the cross-flow fan wheel to rotate is provided on the mounting plate.

[0010] Preferably, the bottom end of the partition is provided with a UV lamp cover, and the UV lamp cover is provided with an ultraviolet lamp tube.

[0011] Preferably, the bottom of the water tank is provided with a water storage box, and the water storage box is provided with a circulation device for pumping water out of the water tank or pumping water into the water tank.

[0012] Preferably, the circulation component includes a water pipe located at the bottom of the water tank, with the bottom end of the water pipe extending into the water storage box and equipped with a solenoid valve. A water spray pipe located on the side of the absorbent cotton ring is located at the bottom of the water tank. The bottom end of the water spray pipe is connected to a water suction pipe, and the end of the water suction pipe away from the water spray pipe is located at the bottom inside the water storage box. A placement plate is provided on the upper side of one side of the inner wall of the water storage box. A water pump is provided on the water suction pipe and is located on the placement plate. The end of the water spray pipe away from the water suction pipe faces the absorbent cotton ring. A vent hole is provided on the upper side of one side of the outer wall of the water storage box.

[0013] Preferably, the circulation component includes a movable plate and a groove formed at the bottom of the water tank and communicating with the water storage box. The movable plate is located inside the water storage box, and the movable plate is provided with a sealing ring that abuts against the inner wall of the water storage box. The water storage box is provided with a pushing component for pushing the movable plate to move horizontally back and forth inside the water storage box.

[0014] Preferably, the pushing component includes a pull plate horizontally disposed on one side of the moving plate, and a push groove is inclinedly opened on one side of the pull plate. A disc is rotatably connected to one side of the inner wall of the water storage box, and a push column is provided on the side of the disc near the pull plate. The end of the push column away from the disc is located in the push groove, and the opposite two sides of the groove wall are in contact with the push column. A first motor for driving the disc to rotate is provided on the water storage box.

[0015] Preferably, the pushing component includes a sleeve horizontally disposed on one side of the moving plate and a rotating shaft rotatably connected to one side of the inner wall of the water storage box. The end of the rotating shaft near the moving plate is inserted into the sleeve, and the rotating shaft is provided with a spiral groove. The end of the inner wall of the sleeve away from the moving plate is provided with a pushing column located in the spiral groove. The water storage box is provided with a second motor for rotating the rotating shaft.

[0016] Preferably, the top of the upper shell is provided with a square frame, and sliders are horizontally slidably connected to the opposite sides of the square frame. A cover plate is rotatably connected between the two sliders. The square frame is provided with a pulling member for pulling the two sliders to slide horizontally and drive the cover plate to rotate. When the pulling member pushes the two sliders to the end of the square frame away from the pulling member and rotates the cover plate to a horizontal state, the cover plate closes the air outlet.

[0017] Preferably, the pulling component includes a rotating column rotatably connected between opposite sides of a square frame. The rotating column is located on one side of the cover plate, and a pull rod is provided on the rotating column. The end of the pull rod away from the rotating column is rotatably connected to the center of one side of the cover plate. A miniature servo motor for driving the rotating column to rotate is provided on the square frame. The beneficial effects of this invention are: the absorbent cotton ring can be supported by various support rods, thereby reducing the deformation of the absorbent cotton ring after absorbing water. The driving component drives the cross-flow fan and filter support to rotate. At this time, the absorbent cotton ring rotates with the filter support, and the absorbent cotton ring absorbs water in the water tank. The cross-flow fan draws outside air from the air inlet into the space between the two mounting plates, and then blows it towards the absorbent cotton ring after passing through the heating component between the arc-shaped guide plate and the baffle. At this time, the water absorbed by the absorbent cotton ring is evaporated and discharged outward from the air outlet to humidify the surrounding space. It is simple and convenient to use. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention 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 only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of this embodiment;

[0020] Figure 2 This is a schematic diagram illustrating the structure of the auxiliary gear in this embodiment;

[0021] Figure 3 This is a schematic diagram illustrating the structure of the filter support in this embodiment;

[0022] Figure 4 This is a schematic diagram illustrating the structure of the middle circle in this embodiment;

[0023] Figure 5 This is a schematic diagram illustrating the structure of the mounting plate in this embodiment;

[0024] Figure 6 This is a schematic diagram illustrating the structure of the placement plate in this embodiment;

[0025] Figure 7 This is a schematic diagram illustrating the push groove structure in this embodiment;

[0026] Figure 8 This is a schematic diagram illustrating the structure of the push column in this embodiment;

[0027] Figure 9 This is a schematic diagram illustrating the structure of the groove in this embodiment;

[0028] Figure 10 This is a schematic diagram illustrating the structure of the tie rod in this embodiment.

[0029] Explanation of reference numerals in the attached diagram: 1. Upper shell; 2. Water tank; 3. Middle ring; 4. U-shaped frame bracket; 5. Mounting plate; 6. Arc-shaped guide plate; 7. Air inlet; 8. Cross-flow impeller; 9. Air outlet; 10. Heating component; 12. Partition plate; 13. Baffle plate; 14. Air guide plate; 15. Filter screen bracket; 16. Water-absorbing cotton ring; 17. Mounting ring; 18. Support rod; 19. Synchronous motor; 20. Main gear; 21. Secondary gear; 22. Turntable; 23. Shaded pole motor; 24. Lamp cover; 25. Ultraviolet lamp tube; 26. Water storage box; 2 7. Water pipe; 28. Solenoid valve; 29. ​​Spray pipe; 30. Pumping pipe; 31. Placement plate; 32. Water pump; 33. Vent hole; 34. Moving plate; 35. Groove; 36. Sealing ring; 37. Pull plate; 38. Push groove; 39. Disc; 40. Push column; 41. First motor; 42. Sleeve; 43. Rotating shaft; 44. Spiral groove; 45. Push column; 46. Second motor; 47. Square frame; 48. Slider; 49. Cover plate; 50. Rotating column; 51. Pull rod; 52. Miniature servo motor. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] A type of pure evaporative humidifier, such as Figure 1 and Figure 2 and Figure 3 and Figure 4 and Figure 5 It includes an upper shell 1, a water tank 2, a middle ring 3, and a spiral frame bracket 4. The upper shell 1 is located above the water tank 2. The middle ring 3 is located at the bottom of the upper shell 1. The spiral frame bracket 4 is horizontally located between opposite sides inside the water tank 2. The bottom end of the middle ring 3 extends into the water tank 2 and contacts the top end of the spiral frame bracket 4.

[0032] Two opposing mounting plates 5 are provided between opposite sides inside the upper shell 1. An arc-shaped guide plate 6 is provided between the two mounting plates 5. An air inlet 7 is provided on one side of the upper shell 1. A cross-flow fan 8 is rotatably connected between the two mounting plates 5 and located between the arc-shaped guide plate 6 and the air inlet 7. At this time, one end of the arc-shaped guide plate 6 extends to the inner wall of the upper shell 1 with the air inlet 7 and is fixedly connected to the inner wall of the upper shell 1. The other end extends to the bottom of the upper shell 1. An air outlet 9 is provided at the top of the upper shell 1. A heating component 10 is provided at the bottom of the arc-shaped guide plate 6. A partition 12 is provided at the end of the heating component 10 away from the arc-shaped guide plate 6. The partition 12 is away from the heating component 10. One end of 0 is fixedly connected to the inner wall of the upper shell 1, and a baffle 13 is provided on the partition 12, and a guide plate 14 located below the cross-flow fan 8 is provided at the top of the baffle 13; at this time, the partition 12, the inner wall of the upper shell 1, the arc-shaped guide plate 6, and the two mounting plates 5 form a suction space, so that when the cross-flow fan 8 is working, air is drawn in from the air inlet 7 and blown out from the heating assembly 10; the guide plate 14 is triangular, and one side located below the cross-flow fan 8 is an arc-shaped side distributed along the cross-flow fan 8, and there is a gap between it and the cross-flow fan 8; the other adjacent side is inclined and fixed to the upper end of the baffle 13, guiding the air to the heating assembly 10;

[0033] A filter screen bracket 15 is rotatably connected between the opposite sides of the U-shaped frame bracket 4, and the filter screen bracket 15 is provided with a water-absorbing cotton ring 16. One of the mounting plates 5 is provided with a driving component for driving the cross-flow fan 8 and the filter screen bracket 15 to rotate.

[0034] The filter support 15 includes two opposing mounting rings 17, which are connected by several support rods 18. Each support rod 18 is evenly distributed along the circumference of the mounting ring 17. The absorbent cotton rings 16 are provided on the outer wall of each support rod 18. The two mounting rings 17 are rotatably connected to the opposite sides of the U-shaped frame support 4.

[0035] like Figure 1 and Figure 2 and Figure 3 and Figure 4 and Figure 5 The absorbent cotton ring 16 is supported by various support rods 18, thereby reducing the deformation of the absorbent cotton ring 16 after absorbing water. The cross-flow fan 8 and the filter support 15 are driven to rotate by the drive component. At this time, the absorbent cotton ring 16 rotates with the filter support 15. The absorbent cotton ring 16 absorbs water in the water tank 2. The cross-flow fan 8 draws outside air from the air inlet 7 into the space between the two mounting plates 5, and then blows it from the arc-shaped guide plate 6 and the baffle 13 through the heating component 10 to the absorbent cotton ring 16. At this time, the water absorbed by the absorbent cotton ring 16 is evaporated. The side of the arc-shaped guide plate 6 away from the cross-flow fan 8 forms an air outlet duct that connects with the middle ring 3 and the water tank 2. The evaporated water vapor is discharged from the air outlet 9 to humidify the surrounding space. It is simple and convenient to use.

[0036] The heating assembly 10 includes a U-shaped frame disposed at the bottom of the arc-shaped guide plate 6, and a number of electric heating wires or a number of PTC thermistors are disposed inside the U-shaped frame.

[0037] like Figure 3 and Figure 4 The driving component includes a synchronous motor 19 mounted on the mounting plate 5, with a main gear 20 fixedly connected to one end of the rotating shaft of the synchronous motor 19. A secondary gear 21 and a turntable 22 are coaxially mounted on opposite sides of the two mounting rings 17, respectively. The secondary gear 21 and the turntable 22 are rotatably connected to opposite sides of the loop frame bracket 4. The secondary gear 21 is located below the main gear 20 and meshes with it. The mounting plate 5 is equipped with a shaded-pole motor 23 for driving the cross-flow fan 8. This configuration is designed so that when the synchronous motor 19 is turned on, its rotating shaft drives the main gear 20 to rotate. The main gear 20, through its meshing secondary gear 21, drives the two mounting rings 17, each support rod 18, and the absorbent cotton ring 16 to rotate between opposite sides of the loop frame bracket 4. When the shaded-pole motor 23 is turned on, its rotating shaft drives the cross-flow fan 8 to rotate. This design is simple and convenient to use.

[0038] like Figure 2 The bottom of the partition 12 is equipped with a UV lamp cover 24, and the UV lamp cover 24 is equipped with an ultraviolet lamp tube 25. The purpose of this setting is to disinfect the water and water vapor in the water tank 2 by turning on the ultraviolet lamp tube 25. It is simple and convenient to use.

[0039] like Figure 6 The bottom of the water tank 2 is provided with a water storage box 26, and the water storage box 26 is provided with a circulation component that draws water out of the water tank 2 or pumps water into the water tank 2. The purpose of this setting is that when the drive component stops working, the water in the water tank 2 is drawn into the water storage box 26 for storage through the circulation component, which can reduce the natural evaporation of water in the water tank 2. It is simple and convenient to use.

[0040] like Figure 6 The circulation component includes a water pipe 27 located at the bottom of the water tank 2, with the bottom end of the water pipe 27 extending into the water storage box 26 and equipped with a solenoid valve 28. The bottom of the water tank 2 is equipped with a spray pipe 29 located on one side of the absorbent cotton ring 16. The bottom end of the spray pipe 29 is connected to a suction pipe 30, and the end of the suction pipe 30 away from the spray pipe 29 is located at the bottom inside the water storage box 26. A placement plate 31 is provided on the upper side of one side of the inner wall of the water storage box 26. A water pump 32 is provided on the suction pipe 30 and is mounted on the placement plate 31. The end of the spray pipe 29 away from the suction pipe 30 faces the absorbent cotton ring 16. A vent hole 33 is provided on the upper side of one side of the outer wall of the water storage box 26.

[0041] like Figure 6 When the drive unit stops working, the solenoid valve 28 is opened, and the water in the water tank 2 can flow into the water storage box 26 through the water pipe 27 for storage. When the drive unit is working, the water pump 32 is turned on first to pump the water stored in the water storage box 26 into the water tank 2 through the water pump pipe 30 and the water spray pipe 29 in sequence. Then the drive unit can start working. The amount of water sprayed into the water tank 2 through the water spray pipe 29 is greater than the amount of water flowing through the water pipe 27. It is simple and convenient to use.

[0042] like Figure 7 Alternatively, the circulation component includes a movable plate 34 and a groove 35 formed at the bottom of the water tank 2 and communicating with the water storage box 26. The movable plate 34 is located inside the water storage box 26, and the movable plate 34 is provided with a sealing ring 36 that abuts against the inner wall of the water storage box 26. The water storage box 26 is provided with a pusher for pushing the movable plate 34 to move horizontally back and forth inside the water storage box 26.

[0043] like Figure 7 When the driving component is working, the movable plate 34 corresponds to the groove 35, and at this time the movable plate 34 closes the groove 35. When the driving component stops working, the moving plate 34 is pushed horizontally away from the groove 35 in the water storage box 26 by the pushing component, opening the groove 35. At this time, the water in the water tank 2 will flow into the water storage box 26 through the groove 35. As the movable plate 34 moves horizontally away from the groove 35 in the water storage box 26, it continues until the water in the water tank 2 is completely inside the water storage box 26. When the driving component is working, the moving plate 34 is first pushed horizontally towards the groove 35 in the water storage box 26 by the pushing component. At this time, as the movable plate 34 moves, it will squeeze the water stored in the water storage box 26 from the groove 35 into the water tank 2. When the movable plate 34 moves to correspond with the groove 35 and closes the groove 35, the driving component can start working. It is simple and convenient to use.

[0044] like Figure 7 and Figure 8The pushing component includes a pull plate 37 horizontally disposed on one side of the movable plate 34, and a push groove 38 inclinedly formed on one side of the pull plate 37. A disc 39 is rotatably connected to one side of the inner wall of the water storage box 26, and a push post 40 is provided on the side of the disc 39 near the pull plate 37. The end of the push post 40 away from the disc 39 is located in the push groove 38, and the opposite two sides of the groove 38 are in contact with the push post 40. A first motor 41 is provided on the water storage box 26 for driving the disc 39 to rotate. The purpose of this arrangement is to push the movable plate 34 into the water storage box 26 when needed. When moving horizontally back and forth, simply turn on the first motor 41. At this time, the rotating shaft of the first motor 41 drives the disc 39 to rotate, and the disc 39 drives the push column 40 to rotate along the rotation axis of the disc 39. Since the end of the push column 40 away from the disc 39 is located in the push groove 38, and the push groove 38 is set at an inclination, when the disc 39 drives the push column 40 to rotate along the rotation axis of the disc 39, the push column 40 and the push groove 38 can push the pull plate 37 to drive the moving plate 34 to move horizontally back and forth in the water storage box 26 through the cooperation of the push column 40 and the push groove 38. It is simple and convenient to use.

[0045] like Figure 9 Alternatively, the pushing component includes a sleeve 42 horizontally disposed on one side of the moving plate 34 and a rotating shaft 43 rotatably connected to one side of the inner wall of the water storage box 26. One end of the rotating shaft 43 near the moving plate 34 is inserted into the sleeve 42, and the rotating shaft 43 has a spiral groove 44. The end of the inner wall of the sleeve 42 away from the moving plate 34 has a pushing column 45 located within the spiral groove 44. The water storage box 26 is equipped with a second motor 46 for rotating the rotating shaft 43. The purpose of this arrangement is that when it is necessary to push the moving plate 34 to move horizontally back and forth within the water storage box 26, only the second motor 46 needs to be turned on. At this time, the rotating shaft of the second motor 46 will... When the rotating shaft 43 rotates counterclockwise, the push post 45 on the sleeve 42 is located in the spiral groove 44 on the rotating shaft 43. Therefore, when the rotating shaft 43 rotates counterclockwise, the sleeve 42 can be pushed to move the moving plate 34 horizontally away from the groove 35 in the water storage box 26 through the cooperation of the push post 45 and the spiral groove 44. When it is necessary to push the moving plate 34 horizontally towards the groove 35 in the water storage box 26, it is only necessary to control the second motor 46 so that the rotating shaft of the second motor 46 drives the rotating shaft 43 to rotate clockwise. One end of the rotating shaft 43 is always located in the sleeve 42, which is simple and convenient to use.

[0046] like Figure 10The top of the upper shell 1 is provided with a square frame 47, and sliders 48 are horizontally slidably connected to the opposite sides of the square frame 47. A cover plate 49 is rotatably connected between the two sliders 48. The square frame 47 is provided with a pulling member for pulling the two sliders 48 to slide horizontally and drive the cover plate 49 to rotate. When the driving member stops working, the two sliders 48 are pushed into the square frame 47 away from the pulling member by the pulling member, and the cover plate 49 is rotated to a horizontal state. At this time, the cover plate 49 closes the air outlet 9. At this time, the external dust can be reduced from entering the upper shell 1 through the air outlet 9 by the cover plate 49. It is simple and convenient to use.

[0047] like Figure 10 The pulling component includes a rotating column 50 rotatably connected between opposite sides inside the square frame 47. The rotating column 50 is located on one side of the cover plate 49, and a pull rod 51 is provided on the rotating column 50. The end of the pull rod 51 away from the rotating column 50 is rotatably connected to the center of one side of the cover plate 49. A miniature servo motor 52 for driving the rotating column 50 to rotate is provided on the square frame 47.

[0048] The purpose of this setup is that when it is necessary to push the two sliders 48 into the square frame 47 away from the puller and rotate the cover plate 49 to a horizontal position, simply turn on the micro servo motor 52. At this time, the rotation shaft of the micro servo motor 52 will drive the rotating column 50 to rotate clockwise. The rotating column 50 will then drive the pull rod 51 to rotate along the rotation axis of the rotating column 50 towards the air outlet 9. Since one end of the pull rod 51 is rotatably connected to the center of one side of the cover plate 49, the cover plate 49 and the two sliders 48 are rotated together. The 8-rotation connection allows the rotating column 50 to drive the pull rod 51 to rotate along the rotation axis of the rotating column 50 towards the air outlet 9. Through the cooperation of the pull rod 51 and the cover plate 49, the two sliders 48 can be pushed to slide away from the rotating column 50, causing the cover plate 49 to rotate along the rotation point between the cover plate 49 and the sliders 48 towards the air outlet 9. When the cover plate 49 rotates to a horizontal state, its bottom end will contact the top end of the upper shell 1, thereby sealing the air outlet 9. This design is simple and convenient to use. Obviously, those skilled in the art can make various modifications and variations to this invention without departing from the spirit and scope of the invention. Therefore, if these modifications and variations of the invention fall within the scope of the claims of this invention and their equivalents, this invention also intends to include these modifications and variations.

Claims

1. A pure-type evaporative humidifier, characterized in that, Includes an upper shell (1), a water tank (2), a middle ring (3), and a spiral frame bracket (4). The upper shell (1) is located above the water tank (2). The middle ring (3) is located at the bottom of the upper shell (1). The spiral frame bracket (4) is horizontally located between opposite sides inside the water tank (2). The bottom end of the middle ring (3) extends into the water tank (2) and contacts the top end of the spiral frame bracket (4). Two opposing mounting plates (5) are provided between opposite sides inside the upper shell (1), and an arc-shaped guide plate (6) is provided between the two mounting plates (5). An air inlet (7) is provided on one side of the upper shell (1). A cross-flow fan (8) located between the arc-shaped guide plate (6) and the air inlet (7) is rotatably connected between the two mounting plates (5). An air outlet (9) is provided at the top of the upper shell (1), and a heating component (10) is provided at the bottom of the arc-shaped guide plate (6). 0) A partition (12) is provided at one end away from the arc-shaped guide plate (6), and a baffle (13) is provided on the partition (12), and a guide plate (14) is provided at the top of the baffle (13) below the cross-flow impeller (8). A filter screen bracket (15) is rotatably connected between the opposite sides of the U-shaped frame bracket (4), and a water-absorbing cotton ring (16) is provided on the filter screen bracket (15). One of the mounting plates (5) is provided with a driving component for driving the cross-flow impeller (8) and the filter screen bracket (15) to rotate. The filter support (15) includes two opposing mounting rings (17), and the two mounting rings (17) are connected by several support rods (18). Each of the support rods (18) is evenly distributed along the circumference of the mounting ring (17). The absorbent cotton rings (16) are provided on the outer wall of each support rod (18). The two mounting rings (17) are rotatably connected to the opposite sides of the U-shaped frame support (4). The bottom of the water tank (2) is provided with a water storage box (26), and the water storage box (26) is provided with a circulation component that draws out or pumps water into the water tank (2); The circulation component includes a water pipe (27) located at the bottom of the water tank (2), and the bottom end of the water pipe (27) extends into the water storage box (26) and is equipped with a solenoid valve (28). The bottom end of the water tank (2) is equipped with a spray pipe (29) located on the side of the absorbent cotton ring (16). The bottom end of the spray pipe (29) is connected to a suction pipe (30), and the end of the suction pipe (30) away from the spray pipe (29) is located below the water storage box (26). A placement plate (31) is provided on the upper side of one side of the inner wall of the water storage box (26). A water pump (32) is provided on the suction pipe (30), and the water pump (32) is located on the placement plate (31). The end of the spray pipe (29) away from the suction pipe (30) faces the absorbent cotton ring (16). A vent hole (33) is provided on the upper side of one side of the outer wall of the water storage box (26). Alternatively, the circulation component includes a movable plate (34) and a groove (35) formed at the bottom of the water tank (2) and communicating with the water storage box (26). The movable plate (34) is located inside the water storage box (26), and the movable plate (34) is provided with a sealing ring (36) that abuts against the inner wall of the water storage box (26). The water storage box (26) is provided with a pusher for pushing the movable plate (34) to move horizontally back and forth inside the water storage box (26).

2. The pure-type evaporative humidifier as described in claim 1, characterized in that, The driving component includes a synchronous motor (19) mounted on the mounting plate (5), and a main gear (20) is fixedly connected to one end of the rotating shaft of the synchronous motor (19). A secondary gear (21) and a turntable (22) are coaxially provided on opposite sides of the two mounting rings (17). The secondary gear (21) and the turntable (22) are rotatably connected to opposite sides of the loop frame bracket (4). The secondary gear (21) is located below the main gear (20) and meshes with the main gear (20). A shaded pole motor (23) for driving the cross-flow fan wheel (8) to rotate is provided on the mounting plate (5).

3. The pure-type evaporative humidifier as described in claim 1, characterized in that, The bottom of the partition (12) is provided with a UV lamp cover (24), and an ultraviolet lamp tube (25) is provided inside the UV lamp cover (24).

4. The pure-type evaporative humidifier as described in claim 1, characterized in that, The pushing component includes a pull plate (37) horizontally arranged on one side of the moving plate (34), and a push groove (38) is inclinedly opened on one side of the pull plate (37). A disc (39) is rotatably connected to one side of the inner wall of the water storage box (26), and a push column (40) is provided on the side of the disc (39) near the pull plate (37). The end of the push column (40) away from the disc (39) is located in the push groove (38), and the opposite two sides of the groove wall of the push groove (38) are in contact with the push column (40). A first motor (41) for driving the disc (39) to rotate is provided on the water storage box (26).

5. The pure-type evaporative humidifier as described in claim 1, characterized in that, The pushing component includes a sleeve (42) horizontally disposed on one side of the moving plate (34) and a rotating shaft (43) rotatably connected to one side of the inner wall of the water storage box (26). The end of the rotating shaft (43) near the moving plate (34) is inserted into the sleeve (42), and the rotating shaft (43) is provided with a spiral groove (44). The end of the inner wall of the sleeve (42) away from the moving plate (34) is provided with a pushing column (45) located in the spiral groove (44). The water storage box (26) is provided with a second motor (46) for rotating the rotating shaft (43).

6. The pure-type evaporative humidifier as described in claim 1, characterized in that, The top of the upper shell (1) is provided with a square frame (47), and the two sides of the square frame (47) are horizontally connected to sliders (48). A cover plate (49) is rotatably connected between the two sliders (48). The square frame (47) is provided with a puller for pulling the two sliders (48) to slide horizontally and drive the cover plate (49) to rotate. When the puller pushes the two sliders (48) to the end of the square frame (47) away from the puller and rotates the cover plate (49) to a horizontal state, the cover plate (49) closes the air outlet (9).

7. The pure-type evaporative humidifier as described in claim 6, characterized in that, The pulling component includes a rotating column (50) rotatably connected between opposite sides inside the square frame (47). The rotating column (50) is located on one side of the cover plate (49), and a pull rod (51) is provided on the rotating column (50). The end of the pull rod (51) away from the rotating column (50) is rotatably connected to the center of one side of the cover plate (49). A miniature servo motor (52) for driving the rotating column (50) to rotate is provided on the square frame (47).

Images