JP7438691B2 - Air cleaner - Google Patents

Description

Article 30, Paragraph 2 of the Patent Act applies Website publication date: August 17, 2018 Website address: https://news. naver. com/main/read. nhn? mode=LPOD&mid=sec&sid1=&oid=016&aid=0001430624 Publisher: LG Electronics Incorporated Website publication date: November 1, 2018 Website address: https://news. naver. com/main/read. nhn? mode=LPOD&mid=sec&sid1=&oid=003&aid=0008888042 Publisher: LG Electronics Incorporated

The present invention relates to a humidifying air cleaner.

An air purifier is understood as a device for sucking in polluted air, purifying it, and expelling purified air. For example, an air cleaner may include a blower for causing outside air to flow into an inner portion of the air cleaner, and a filter for filtering dust, bacteria, etc. in the air.

A humidifier is understood as a device for sucking in air, humidifying it, and discharging the humidified air to supply moisture to the air. Conventional humidifiers are classified into vibrating types that atomize water using a vibrating plate and then expelling it into the air, and natural evaporation types that naturally evaporate water using a humidifying filter. Natural evaporation type humidifiers include disc type humidifiers that use driving force to rotate the disc and naturally evaporate water from the surface of the disc in the air, and natural evaporation type humidifiers that use driving force to rotate the disc and naturally evaporate water from the surface of the disc in the air. An evaporative humidifying filter type humidifier is included.

In recent years, humidifying air cleaners that add a humidifying function to air cleaners have been developed. For humidifying air purifiers, the filter and water container need to be cleaned or replaced regularly by the user for hygiene.

A related technology related to this is Korean Patent Publication No. 10-2017-0051276A (hereinafter referred to as "Related Technology 1").

However, the internal structure of the humidifying air cleaner disclosed in Related Art 1 is relatively complicated. Related technology 1 has a problem in that it is difficult for the user to easily operate a water container that needs to be filled with water from time to time.

In this regard, Korean Published Patent No. 10-1225981B1 (hereinafter referred to as related technology 2) discloses a technique for easily withdrawing or inserting a water container and a tray, in which the water container is an air purifier. installed outside or inside the side of the machine, respectively.

Related technology 2 includes a rotating rotating body (or driving gear) provided with a drive unit, a humidifying gear (or water wheel) that rotates by receiving the rotational force of the rotating body, and a humidifying gear provided around (or on the outer periphery of) the humidifying gear. An arrangement is disclosed that includes a lifter (or collector) and a lifter that pours water stored in a tray by rotating a humidification gear and wetting a humidification filter provided thereon.

In related technology 2, the humidifying gear is slidably drawn laterally into the air purifier and is provided to engage with the rotating body. Such a coupling method has the advantage that the gears can be engaged stably.

However, until the humidifying gear contacts the rotating body and the humidifying gear is completely drawn into the air purifier, the rotating body can be forcibly rotated by a predetermined rotation angle by the force of the user pushing the humidifying gear. Therefore, the extraction and insertion of the humidifying gear in Related Art 2 is not smooth, and noise is generated due to contact between the gears and forced rotation of the motor.

Moreover, the insertion of the humidifying gear is completed only when the user applies a force above a threshold value to force the motor to rotate, so the process of assembling the humidifying gear and the rotating body is not smooth.

Ultimately, the combination of the humidifying gear and the rotating body disclosed in Related Art 2 has problems such as generation of noise, relatively large force required by the user, and rough and uneven assembly process.

On the other hand, the humidifying gear of Related Art 2 is located below the air circulation hole in order to guide the air intake port of the blower fan into contact with the water in the tray. Therefore, the rotating body that engages with the humidifying gear is also arranged so as to partially block the upper portion of the air circulation hole.

Furthermore, the lift of Related Art 2 is formed integrally with a humidifying gear that rotates while engaging with a rotating body. Therefore, lifts and rotating bodies impede air flow.

Furthermore, there is a possibility that the air flow will be concentrated in the overlapping region of the air circulation hole and the central portion of the humidifying gear in the front-rear direction. Air entering areas other than the overlapping area may cause flow interference, loss, and noise as it is drawn into the blower fan.

Ultimately, the shape, coupling relationship, and position of the humidifying gear and rotating body disclosed in Related Art 2 complicate the flow path of the air sucked in by the blower fan, causing flow interference, flow loss, and flow noise. cause.

The humidifying gear support portion of Related Art 2 is formed to support the humidifying gear in front. The humidification gear support portion forms one surface extending upwardly from the front end of the tray. Therefore, intake of air introduced into the humidifying filter is blocked. In other words, the humidification gear support portion may act as a resistance to the flow direction of air drawn into the humidification filter.

As a result, the humidifying gear support portion disclosed in Related Art 2 has a problem in that the air intake area is relatively narrow and flow loss occurs due to resistance.

Further, the humidifying gear is supported by the humidifying gear support portion at the front, and an air circulation hole of the blower fan through which air is sucked into the blower fan is provided at the rear. Therefore, the flow of air sucked into the blower fan causes the humidifying gear to vibrate in the front-rear direction, resulting in vibration noise.

Ultimately, the humidifying gear support portion disclosed in Related Art 2 has a problem in that it cannot prevent vibrations of the humidifying gear.

On the other hand, the water container located on one side of the humidifying gear of Related Art 2 is attached to a water tank formed by a tray. The water tank is provided to communicate with the humidification gear.

However, Related Art 2 recognizes the problem of noise generated when water is supplied from a water container to a water storage tank in a tray (hereinafter referred to as "water supply noise"), or a motive or proposal regarding a means to minimize water supply noise. I haven't.

Ultimately, the water container and tray disclosed in Related Art 2 have a problem in that it is difficult to minimize water supply noise.

In summary, in Related Art 2, there is no suggestion or motivation to direct the person skilled in the art to solve the above problem.

On the other hand, the problem posed based on Related Art 2 makes it difficult to satisfy the sensory or emotional needs of product users.

User's sensory or emotional requirements are one of the important factors determining product quality and upgrade degree. Therefore, technologies that can solve the above problems could lead to product advancements and upgrades.

Korean Published Patent No. 10-2017-0051276A Korean Published Patent No. 10-1225981B1

[Problem to be solved by the invention]
[Means to solve the problem]
The present invention has been made to solve the above problems, and an object of the present invention is to include a door that slides in and out of an air purifier cabinet, and by arranging a water container and a filter in the door, To provide a humidifying air cleaner in which a user can easily access a water container and a filter.

Furthermore, another object of the present invention is to provide a humidifying air cleaner that can minimize flow interference, flow loss, or flow noise on the airflow side of the humidifying air cleaner.

Furthermore, another object of the present invention is to provide a humidifying air cleaner that can reduce driving noise and vibration of a rotating humidifying filter.

Furthermore, another object of the present invention is to provide a humidifying air cleaner that can minimize the noise generated when water is supplied from a water container to a water storage space ("water supply noise"). .

Another object of the present invention is to connect a drive gear for rotating a humidifying filter and a filter gear connected to a water wheel in a front-back direction that corresponds to the front-back direction in which the door of the humidifying air cleaner moves when the door opens and closes. Or to provide a humidifying air cleaner that can be separated.

Furthermore, another object of the present invention is to provide a humidifying air cleaner that can maximize the intake area of air flowing into the humidifying filter.

Furthermore, another object of the present invention is to provide a humidifying air cleaner that can minimize the force required by the user for the connection between the drive gear and the filter gear.

Furthermore, another object of the present invention is to provide a humidifying air cleaner with a smooth and stable connection between the water wheel provided on the door assembly and the drive gear provided on the cabinet.

Furthermore, another object of the present invention is to provide a humidifying air cleaner that can stably maintain the balance of the humidifying filter.

Furthermore, it is an object of the present invention to provide a humidifying air cleaner in which gear teeth easily engage with each other when two gears are engaged in the longitudinal direction.

Furthermore, another object of the present invention is to provide a humidifying air cleaner in which two gears can be easily connected in a direction perpendicular to the rotational direction of the gears.

In order to achieve the above object, the humidifying air cleaner according to the present embodiment can propose a double seal structure for reducing water supply noise, fan drive noise, water turbine noise, etc.

The humidifying air purifier has a polyhedral-shaped body frame with open front, rear, and top surfaces, a door assembly that selectively shields the open front side of the body frame, and a door assembly that is combined to shield the open rear side of the body frame. a fan housing formed with a fan inlet through which air flows; an electric plate that shields the open top surface of the main body frame; a housing cover that is coupled to the rear side of the fan housing and surrounds the blower fan; an exhaust port defined as a space formed by the upper end of the fan housing and the upper end of the housing cover, and an exhaust port that supplies driving force to the blower fan and is located at the center of the blower fan and the fan inlet The fan includes a first motor coupled to the rear surface of the fan housing such that the fan housing is located outside the fan inlet, and a second motor coupled to the front surface of the fan housing such that the motor is located outside the fan inlet.

Therefore, by driving the blower fan, it is possible to define a flow path for the air to be introduced or exhausted. The air flow path can be understood as a path that allows noise generated from noise sources such as motors, gears, etc. to escape into the user's living environment.

Therefore, the humidifying air purifier according to embodiments of the present invention avoids the creation of air flow paths through which noise can escape into the user's environment, and the space formed by shielding the open surface of the main body frame. By locating the noise source in the area, noise leakage to the outside can be minimized.

The humidifying air cleaner may further include a humidifying filter assembly mounted at the rear of the door assembly to block the front of the second motor.

Additionally, the humidifying air cleaner may further include an air filter assembly attached to the front of the door assembly.

A buffer space for canceling sound waves may be formed between the air filter assembly and the humidification filter assembly. Therefore, the sound waves generated by the plurality of noise sources within the buffer space cancel each other out, so that the noise exposed to the outside can be minimized.

The buffer space may be formed such that the volume thereof increases toward the upper portion. Therefore, the noise generated by the noise source within the humidifying air cleaner can be canceled.

Furthermore, sound absorbing materials may be attached to both sides of the main body frame defining the buffer space.

The height of the buffer space may be defined as the distance between the electrical plate and the water container. The width of the buffer space in the front-back direction may be defined by the distance between the air filter assembly and the humidification filter assembly. Here, the buffer space may be formed such that the width DH at the upper end is larger than the width DL at the lower end.

Further, the humidifying air cleaner may further include a water container attached to the door assembly and located between the air filter assembly and the humidifying filter assembly.

The humidifying filter assembly is supported by a humidifying filter case extending from the rear lower end of the water container to the electric plate so as to block the front part of the second motor and corresponding to the fan inlet. and a humidifying filter disposed in the humidifying filter.

A buffer space may be formed between the front surface of the humidifying filter case and the rear surface of the air filter assembly.

The humidifying filter case may have an air intake opening corresponding to the fan air intake in the center thereof.

The door assembly may further include a water tank into which a water container and a humidification filter assembly are inserted. The water tank may be provided with a water storage space in which water supplied from the water container is stored.

The humidifying filter assembly may further include a water wheel that rotates under power from a second motor at the rear of the intake opening and absorbs water from the humidifying filter by pumping water into the water storage portion by rotation.

On the other hand, the humidifying air purifier has a side panel that is connected to both sides of the main body frame and extends higher than the electric plate, and a rear panel that is connected to the rear end of the side panel and shields the rear side of the housing cover. , a top panel joined to the top edge of the side panel and shielding the upper side of the electrical plate; and a door panel forming the front face of the door assembly so as to be disposed in a plane formed by the front edges of the top panel and the side panel. ,including. Therefore, the internal space of the main body frame can be doubly sealed.

Furthermore, the bottom surface of the door assembly may be formed with an air intake port through which air flows.

In another aspect, the humidifying air purifier according to an embodiment of the present invention has a structure of a humidifying filter assembly that can minimize the noise caused by friction with the water stored by the rotating water wheel and improve the air humidifying efficiency. may be provided.

A humidifying air cleaner includes a door assembly pulled out from a cabinet, a water tank provided in the door assembly and forming a water storage space in which water is stored, and a water wheel arranged so that the lower end is immersed in the water in the water storage space. , a water wheel provided with a humidifying filter.

Furthermore, the humidifying air purifier includes a water wheel motor that is coupled to the front of the fan housing and provides power for the water wheel to rotate, and a water wheel motor that shields the water wheel from the front and allows air to flow in at a position corresponding to the front of the humidifying filter. It may further include a humidification filter case forming an intake opening.

Furthermore, the humidifying air cleaner may further include a shaft support that extends upward from the rear end of the humidifying filter case and supports the central shaft of the water turbine from the rear.

The water turbine can be arranged such that the shortest distance D1 from the top end to the humidifying filter case is shorter than the shortest distance D2 from the bottom end to the humidifying filter case.

Therefore, when the water wheel is inserted into the water in the water storage part by rotation, the vertical force that causes friction noise can be relatively reduced.

Furthermore, the water wheel may be arranged such that the upper end is inclined forward with respect to the lower end.

Furthermore, the water wheel may be inserted into the water in the water storage space such that it is inclined relative to the upper surface of the water.

Furthermore, the central shaft of the water wheel may form a groove so that the frame for fixing the humidifying filter is obliquely coupled thereto. Here, the groove may be recessed obliquely from the outer surface of the central shaft. Therefore, the frame for fixing the humidifying filter can be arranged diagonally.

The frame may include an outer frame that extends along the periphery (or outer periphery) of the humidifying filter, and a filter frame that fixes the front and rear of the humidifying filter.

The water turbine may further include a filter gear that engages a drive gear coupled to the water turbine motor. Here, the filter gear may be arranged on the rear side of the outer frame and extend along the extending direction of the outer frame.

The shaft support may include a seating groove with a circular configuration for seating the central shaft. Therefore, the central shaft of the water turbine can be seated in the seating groove, and stable balance can be achieved.

In another aspect, a humidifying air purifier according to an embodiment of the present invention may propose a water wheel structure that minimizes noise caused by friction with water stored by the rotating water wheel.

A humidifying air purifier consists of a door that is inserted into or pulled out from the front of a cabinet, a water wheel motor that is connected to the cabinet, a water storage part that stores water installed in the door, and a water container. The water tank may include a water tank forming a water container pedestal surface on which the water container is seated, and a water wheel inserted into the water storage portion and rotated by a water wheel motor.

The water wheel may include a humidifying filter that absorbs water from the water storage portion as it rotates.

Further, the water wheel includes two outer frames extending along the circumference of the humidifying filter so as to support the humidifying filter along the front and rear of the humidifying filter, and a flow groove defined by a space between the two outer frames. The humidifying filter unit may further include a humidifying filter unit.

Additionally, the water wheel may further include a collection portion having a wall extending to cover a portion of the flow groove and connect the edges of the two outer frames.

Thus, when the collecting part is inserted into water stored in the water storage space of the aquarium, one edge of the collecting part can come into contact with the water by rotation. In other words, the size, length and number of structures in contact with water can be relatively reduced.

Moreover, since the outer frame rotates continuously in the water of the water storage part without friction surfaces, the part that comes into contact with the water of the water storage part is the edge surface of the top wall that defines the inflow hole. Therefore, friction noise between the water wheel and water can be reduced.

The humidification filter unit may further include a collection rib that defines the bottom of the flow channel and extends from one of the two outer frames to contact the other of the two outer frames.

The collection rib may be formed with a drop hole, which is an opening to allow water to flow to the humidification filter. Therefore, water entering the collection part can pass through the drop hole when the collection part and collection rib are turned upside down by rotation.

The walls of the collection section include a shielding wall that extends vertically from the collection rib to the outer edges (or corners) of the two outer frames, and a shielding wall that extends vertically from the end portion of the shielding wall to the outer edges (or corners) of the two outer frames. an upper wall extending along the section).

Thus, the collection part can pump water from the water storage part by rotation.

The shielding wall may extend radially from the collection rib. The upper wall may extend from the shielding wall in the direction of rotation of the water wheel.

The collection portion may be formed to have a “┐”-shaped longitudinal section. The collecting part may form an inlet hole located forwardly with respect to the direction of rotation of the water wheel.

Therefore, the water in the water storage part can flow into the inflow hole and flow towards the shielding wall.

The lower end of the outer frame may be located below the upper end of the water storage portion so as to be immersed in the water of the water storage portion.

The humidification filter may be sandwiched between two outer frames.

Additionally, the two outer frames may be removably coupled.

The humidifying filter unit may further include a first frame that supports the humidifying filter from the front, and a second frame that supports the humidifying filter from the rear. Here, the two outer frames may be a first frame and a second frame, respectively.

The outer surface of the collection portion may form a surface with the outer surface of the outer frame. Therefore, noise caused by friction with stored water can be reduced.

The humidifying filter unit may be formed in a circular shape.

Further, the humidifying filter unit may be arranged such that flow grooves into which the stored water flows and collection portions are arranged alternately along the outer circumferential portion. The collection portion may include a shielding wall circumferentially shielding the flow groove and a top wall radially shielding the flow groove.

In another aspect, a humidifying air cleaner according to an embodiment of the present invention can provide a structure that can reduce vibration and noise caused by driving a rotating water wheel.

The humidifying air purifier includes a door connected to the cabinet and rail, a water wheel motor that is coupled to the inner part of the cabinet and rotates a water wheel, and a water tank attached to the door, and the air is stored in the water tank by the rotation of the water wheel. The humidifying filter case includes a water wheel for collecting water that has been collected, and a humidifying filter case that is inserted into the water tank to cover the water wheel and has an opening at a position corresponding to the water wheel.

The humidifying air purifier includes a shaft support that extends from the rear end of the humidifying filter case and supports the central shaft of the water wheel from the rear, and a guide roller that contacts the water wheel so that it can roll with the water wheel in the front and back direction. , may also be included.

Therefore, despite the rotation of the water wheel, it is possible to avoid contact with surrounding structures. Guide rollers allow the water wheel to rotate while maintaining stable balance. In other words, the vibration of the water turbine can be relatively reduced.

The plurality of guide rollers may be spaced apart from each other along a periphery defining an intake opening of the humidification filter case.

Further, the guide rollers may include a front guide roller that contacts the outer frame of the water turbine from the front, and a rear guide roller that contacts the outer frame of the water turbine from the rear.

The front guide roller may be attached to the inner surface of the humidifying filter case, and the rear guide roller may be attached to the inner surface of the shaft support.

The guide roller can roll along with the rotation of the water wheel. Therefore, noise caused by rotation of the water turbine can be reduced.

Furthermore, the ventilation fan may be arranged behind the opening of the humidifying filter case.

Furthermore, the guide roller may include a roller rib protruding from the inner surface of the humidifying filter case, a roller shaft inserted into the roller rib, and a roller rotating around the roller shaft.

Furthermore, the front guide roller may support the upper part of the front face of the water wheel. The rear guide roller may support the lower portion of the rear face of the water wheel.

Additionally, the roller may include a wheel or ball shape.

The rotation center shaft of the guide roller may be perpendicular to the rotation center shaft of the water turbine.

A support protrusion may be formed on the inner surface of the humidifying filter case to protrude so as to support a lower portion of the front surface of the water turbine.

In another aspect, the humidifying air cleaner can provide a structure that can reduce noise generated during the process of supplying water from the water container to the water storage space of the aquarium.

A humidifying air purifier includes a cabinet having a front surface with an opening formed therein, a door assembly provided at the front surface of the cabinet to allow entry and exit, a water container housed in the door assembly and storing water, and a water container. a humidification filter assembly disposed at the rear of the humidification filter assembly.

The water tank has a water container pedestal surface formed to support the lower end of the water container, and a first water storage portion defined as a space recessed downward from the center of the water container pedestal surface; A second water storage part is defined as a space that extends rearward from the water storage part and has a larger volume than the first water storage part.

Therefore, since the water container is seated on the water tank and water is supplied, it is possible to propose a structure in which the distance from the water storage portion is close to or close to the maximum.

Therefore, compared to the case where the aquarium and the water tank are relatively far apart or are provided separately, there is an advantage that the water supply noise that occurs when the water in the water container is supplied to the aquarium can be reduced. .

Furthermore, when the water container is seated on the water container pedestal surface, the water stored in the water container flows from the first water storage portion, which has a relatively small volume, to the second water storage portion, which has a relatively large volume. I can do it.

Therefore, water supply noise can be reduced by gradually increasing the volume of the water storage space along the water flow direction.

Furthermore, a valve device for discharging the stored water may be provided on the bottom of the water container.

Furthermore, the maximum height H1 of the first water storage portion may be smaller than the maximum width H2 formed by the first water storage portion and the second water storage portion.

Further, the maximum height H1 of the first water storage portion may be defined as the length of a perpendicular line drawn from the lowest point of the water tank to the water container pedestal surface with which the lower end of the water container contacts. The maximum width H2 formed by the first water storage part and the second water storage part may be defined as the length of a perpendicular line drawn from the front end of the first water storage part to the rearmost end of the second water storage part. .

Furthermore, the first water storage portion and the second water storage portion may have bottom surfaces of the same height. Therefore, the first water storage portion and the second water storage portion can form the same water level.

The water tank may further include a float device housed in the first water storage portion and capable of regulating the water discharged from the water container.

The float device may guide water discharged downwardly from the water container in a radial flow. Water passing through the float device can flow to the first water storage section and the second water storage section.

Furthermore, the flow direction of the water stored in the water container changes radially while the water flows downward, and the water is introduced into the first water storage part while falling again and from the first water storage part to the side. The water can be introduced into a second water storage portion having a large volume.

As a result, the flow direction of the water discharged from the water container is bent many times and flows in the direction of a relatively large volume, so that water supply noise can be reduced.

The float device may have an outer surface with a relatively expanding radius.

Additionally, the water tank may further include recessed engagement portions at both ends of the water tank for seating the humidification filter assembly. Therefore, both sides of the humidifying filter assembly can be seated on the engagement portion.

The engagement portion may form a stepped projection that projects to be inserted into the humidification filter assembly.

Additionally, the aquarium may further include a front cutout formed by cutting downwardly through the central portion of the front end.

The front incision may be located below the lid of the water container. Therefore, the user can easily lift the water container upwards.

In another aspect, a humidifying air cleaner according to an embodiment of the present invention can provide a structure that can minimize friction noise between two gears while facilitating engagement between the two gears.

A humidifying air purifier includes a cabinet that opens in one direction, a door assembly that is pulled out in the opening direction of the cabinet, a humidifying filter unit that is housed in the door assembly and absorbs water through rotation, and that is coupled to the cabinet. The humidifying filter unit includes a water turbine motor, a drive gear that is coupled to the water turbine motor and rotates, and a filter gear that is attached to the rear side of the humidifying filter unit and meshes with the drive gear.

The direction of rotation of the drive gear or filter gear may be perpendicular to the direction of retraction of the door assembly.

Thus, when the door assembly is moved rearward and coupled to the cabinet, the drive gear and filter gear can be easily engaged with relatively little force.

In other words, the increasingly difficult engagement between the two gears can be facilitated by a door assembly that enters and exits from the front of the turbine, rather than from the side.

The filter gear may engage the drive gear along a direction parallel to the direction in which the door assembly is retracted into the cabinet.

Additionally, the drive gear and filter gear may contact and engage each other such that they slide into engagement with each other while the door assembly is being retracted into the cabinet.

The filter gear may include filter gear teeth and a slip guide that projects rearwardly from the filter gear teeth and guides the filter gear until meshing with the drive gear.

The slip guide may extend so that the width of both end portions becomes narrower toward the rear.

Further, the slip guide may include a first sloped portion formed on one side and a second sloped portion formed on the other side. Here, the rear end portion of the slip guide may be curved.

Furthermore, the drive gear further includes a drive gear tooth and a coupling boss that projects forward from the drive gear tooth and contacts the slip guide.

The coupling boss may extend in a direction facing the slip guide. Here, the front end of the coupling boss may be hemispherical.

Thus, the slip guide can guide the coupling boss to slide to one side or the other. As a result, the filter gear or the drive gear can be brought into engagement with each other by rotating the coupling boss along the guide of the slip guide.

From another perspective, the humidifying air cleaner according to the embodiment of the present invention can propose a structure that can reduce noise generated by a water wheel motor that rotates a water wheel.

Water turbine motors may use reduction gears to generate large amounts of noise even at relatively low rotational speeds. Therefore, such a noise-reducing humidifying air purifier includes a main body frame that opens in the front-rear direction, and a door assembly coupled to the main body frame that can be pulled out to selectively shield the front surface of the main body frame. , a housing assembly that shields the rear surface of the main body frame and has a fan motor for driving a blower fan, a water turbine motor housed in the housing assembly, and a motor bracket that fixes the water turbine motor to the housing assembly.

The motor bracket may include a louver guide extending outward from the outer circumferential surface, and a louver having a groove formed along the circumference to fit into the louver guide. Therefore, the louver can absorb vibrations and noise generated by driving the water turbine motor.

The housing assembly further includes a fan housing having a fan inlet through which air flows, a housing cover coupled to a rear surface of the fan housing to accommodate the blower fan, and a fan housing to cover the water turbine motor and motor bracket. a housing front cover coupled to a front surface of the housing.

Furthermore, the motor bracket may be coupled to the front surface of the fan housing above the fan intake.

The housing front cover includes a motor case that is recessed forward from the rear surface so as to cover the drive gear, and a cut end that forms an opening in the lower part of the motor case to expose a part of the drive gear. May include.

Therefore, the arrangement coupled to the water turbine motor can be shielded by the housing front cover. Therefore, drive noise of the water turbine motor can be reduced.

A drive gear is located in front of the motor bracket and can engage the water wheel motor.

Further, the humidifying air cleaner may further include a humidifying filter assembly having a humidifying filter disposed in front of the housing assembly and a filter gear meshing with the drive gear.

Additionally, the blower fan and fan motor may be coupled to the rear surface of the fan housing to correspond to the rear portion of the fan inlet.

Additionally, the water wheel motor may be coupled to the rear center of the motor bracket, and the shaft of the water wheel motor may extend forward through the motor bracket.

Furthermore, the drive gear may extend downwardly into engagement with the filter gear. The filter gear may be arranged below the humidification filter drive gear.

The fan housing may include a motor cover extending forward from the front surface to accommodate the space defined by the cut end of the motor case.

The motor cover may extend away from the rear surface of the motor case.

Further, the fan housing may include a fastening shaft protruding from the front surface. Here, the fastening shaft may be provided to pass through the center of the louver.

In another aspect, the humidifying air purifier according to embodiments of the present invention may propose a structure that can minimize airflow interference, flow loss, and flow noise.

Such a humidifying air purifier consists of a cabinet with a water tank and a blower fan, a water wheel that is immersed in the water tank and has a rotatable central shaft, and a drive that is placed outside the water wheel and provides rotational power to the water wheel. A fan housing that accommodates the motor and the blower fan and fixes the drive motor at the rear; a humidifying filter case that shields the front of the drive motor and supports the front of the water turbine; A shaft support body supporting the shaft.

Therefore, it is possible to provide a soundproof structure in which the drive motor is placed between the blower fan to force the air flow and the humidification filter case to shield the front part of the humidification filter, thereby making the noise of the drive motor itself Leakage can be minimized.

At the same time, compared to related technologies, vibration and vibration noise can be minimized by supporting the water wheel pushed backward by the air flow from the rear by the shaft support.

Further, the humidifying air cleaner may further include a drive gear coupled to the water turbine motor and a filter gear meshing with the drive gear. The filter gear may be provided at the rear of the water wheel or may extend along the outer frame of the water wheel.

Furthermore, the shaft support may form a seating groove in which the central shaft of the water turbine is seated.

Furthermore, the shaft support may be integrally coupled with the filter case by having its side and bottom surfaces shaped to correspond to the side and bottom surfaces of the filter case.

In another aspect, the humidifying air cleaner according to the embodiment of the present invention may propose a structure for facilitating attachment and detachment of the humidifying filter unit that fixes the humidifying filter.

Such a humidifying air cleaner may include a first frame and a second frame for fixing a humidifying filter. The first frame may include a disassembly guide projecting from one surface of the collection portion.

Here, the disassembly guide may move along the rotation so as to come into contact with the contact line and the pressing protrusion. The pressing protrusion may be formed to be inclined along the rotation direction. Thereby, when the user rotates to disassemble the humidifying filter unit, the disassembly guide can be rotated along the contact line and pressed by the pressing protrusion to separate the first frame and the second frame.

Furthermore, the second frame may further include an operating rod extending toward the first frame. Furthermore, the first frame may form an operation hole through which the operation rod passes.

Therefore, the user can easily disassemble the humidifying filter unit by rotating the operating rod.

Additionally, the collection portion may include a shielding wall that shields a portion of the flow channel defined as the space between the first frame and the second frame.

The collection portion may include a top wall extending from the shielding wall in the direction of rotation of the water wheel.

Therefore, water can be contained in the groove formed by the shielding wall and the top wall.

In another aspect, the humidifying air cleaner according to the present invention includes a cabinet having a space, and a door assembly provided on the cabinet to be pulled in and out of the cabinet to selectively open the space. , a humidifying filter that absorbs moisture by rotation, a humidifying filter driving gear fixed to a cabinet, and a filter gear that is attached to the humidifying filter and meshes with the humidifying filter driving gear, and the rotation direction of the driving gear or filter gear is , perpendicular to the direction in which the door assembly is retracted.

Accordingly, the assembly includes a door that is slidably pulled out into the cabinet of the humidifying air cleaner, so that the humidifying filter is housed in the door and thus can be easily accessed by the user.

The humidifying air cleaner according to the embodiment of the present invention described above has the following effects.

First, the filter and water container are located in the front or rear access door. Once the user opens the door, the filter and water container are easily cleaned and replaced as they are easily accessible to the user.

Secondly, the noise generated by the humidifying air purifier is minimized and the sensual or emotional needs of the user are met, so a luxurious product can be provided.

Thirdly, there is an advantage that noise between gears coupled or separated in the longitudinal direction can be minimized.

Fourth, when the two gears are coupled so as to engage through back and forth movement, the precision of the coupling can be improved.

Fifth, the humidifying filter drive gear and the filter gear have the advantage of being stably coupled even when the user provides a relatively small force.

Sixth, since the shaft support supports the water wheel from behind, it is possible to prevent the water wheel from swinging backwards due to pressure caused by air flow. As a result, the vibrations of the water turbine can be minimized, and the noise caused by the vibrations can be minimized.

Seventh, a water container is attached to the aquarium, and a valve for controlling the water supply of the water container is provided in the space formed by recessing the surface on which the water container seats, and the water flowing through the valve is provided with a valve. Since the direction is curved, water supply noise can be reduced.

Eighthly, water passing through the valve attached to the water tank flows from the first water storage part to the second water storage part whose volume has been expanded, so that water supply noise can be reduced.

Ninth, a fan housing and a housing cover are provided inside the multiple exterior covers, and a blower fan is provided inside the fan housing and housing cover, so that noise generated by the blower fan is minimized from leaking to the outside. can be kept to a minimum.

Tenthly, since the guide roller is rotatably provided in accordance with the rotation of the humidifying filter unit, friction caused by the rotation of the humidifying filter unit can be reduced.

Eleventhly, the generation of noise due to the rotation of the humidifying filter unit can be minimized, thereby improving quietness.

Twelfth, since the guide roller and the shaft support can stably support the humidifying filter from the front and back, there is an advantage that tilting of the rotating humidifying filter can be prevented. In other words, there is an effect that the balance of the humidifying filter can be maintained.

Thirteenth, driving stability of the rotating humidifying filter can be ensured.

Fourteenthly, there is an advantage that the user can easily and smoothly separate the humidifying filter unit by rotating the operation rod of the humidifying filter unit.

Fifteenthly, since the portion that shields the front surface of the humidifying filter is removed, there is an advantage that the intake area for introducing air into the humidifying filter is relatively expanded.

Sixteenth, since the flow rate of air passing through the humidifying filter is relatively increased, air purification and humidification performance are improved.

Seventeenth, when the direction of engagement between the gears is perpendicular to the direction of rotation of the gears, the success rate of engagement between the gears can be improved.

1 is a perspective view showing the configuration of a humidifying air cleaner according to an embodiment of the present invention. FIG. 2 is a diagram illustrating a humidifying air cleaner according to an embodiment of the present invention with the door open. 1 is an exploded perspective view showing the configuration of a humidifying air cleaner according to an embodiment of the present invention. 2 is a cross-sectional view along line VI-VI' in FIG. 1; FIG. FIG. 2 is a perspective view of a fan housing and electrical plate according to one embodiment of the invention. FIG. 2 is an exploded perspective view showing a humidifying filter motor, a motor bracket, and a humidifying filter drive gear according to an embodiment of the present invention. FIG. 2 is a perspective view showing a housing front cover according to an embodiment of the present invention. FIG. 2 is an enlarged cross-sectional view taken along line K-K' in FIG. 1; FIG. 2 is a perspective view illustrating a state in which a humidifier filter assembly and a water tank are coupled according to an embodiment of the present invention. FIG. 1 is a perspective view showing an aquarium according to an embodiment of the present invention. FIG. 2 is a rear perspective view of a humidification filter assembly according to one embodiment of the invention. FIG. 1 is a longitudinal cross-sectional view of a humidifying filter assembly according to an embodiment of the present invention. FIG. 1 is an exploded perspective view showing the configuration of a humidifying filter assembly according to an embodiment of the present invention. FIG. 1 is a perspective view showing the configuration of a humidifying filter case according to an embodiment of the present invention. 14 is an enlarged view of "A" in FIG. 13. FIG. 1 is an exploded perspective view of a humidifying filter unit according to an embodiment of the present invention. FIG. 3 is a rear perspective view showing a filter support portion (first frame) according to an embodiment of the present invention. FIG. 18 is a cross-sectional view taken along line C-C' in FIG. 17; 18 is an enlarged view of "B" in FIG. 17. 12 is an enlarged view of "E" in FIG. 11. FIG. 2 is a perspective view showing the configuration of a humidifying filter drive gear according to an embodiment of the present invention. It is a figure showing the engagement process of a humidification filter drive gear and a filter gear according to one embodiment of the present invention. 5 is a graph comparing experimental results of required force depending on relative position when a humidifying filter drive gear and a filter gear are combined according to an embodiment of the present invention.

Reference will now be made in detail to embodiments of the disclosure, examples of which are illustrated in the accompanying drawings.

In the following detailed description of the preferred embodiments, reference is made to the accompanying drawings that form a part hereof, and in which is shown by way of example certain preferred embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, and it is understood that other embodiments may be utilized without departing from the spirit or scope of the invention. It is to be understood that logical structural, mechanical, electrical, and chemical changes may be made. The description may omit certain information known to those skilled in the art in order to avoid details not necessary to enable those skilled in the art to practice the invention. Therefore, the following detailed description should not be construed in a limiting sense.

Furthermore, in the description of the embodiments, terms such as first, second, A, B, (a), (b), etc. may be used herein when describing the constituent elements of the present invention. Each of these terms is not used to define the nature, order, or sequence of the corresponding component, but only to distinguish the corresponding component from other components.

FIG. 1 is a perspective view showing the configuration of a humidifying air cleaner according to an embodiment of the present invention, and FIG. 2 is a diagram showing a state in which the door of the humidifying air cleaner according to an embodiment of the present invention is open. , FIG. 3 is an exploded perspective view showing the structure of a humidifying air cleaner according to an embodiment of the present invention, and FIG. 4 is a sectional view taken along line VI-VI' in FIG. 1.

Referring to FIGS. 1 to 4, a humidifying air cleaner 10 according to an embodiment of the present invention includes a cabinet 100 forming an exterior appearance and a door assembly 200 coupled to the cabinet 100 so as to be pulled out.

Cabinet 100 includes multiple panels.

More specifically, the plurality of panels include a lower base 101, two side panels 103 provided on both sides of the lower base 101 and extending upward, and an upper panel 105 coupled to the upper side of the side panels 103 on both sides. , and a rear panel 107 coupled to the rear side of both side panels 103.

With the base 101, the two side panels 103, the top panel 105, and the back panel 107, the cabinet 100 may have the shape of a cuboid with an open front portion.

The two side panels 103 may be respectively coupled to both sides of a main body frame 110, which will be described later. Furthermore, the upper ends of the two side panels 103 may extend upward to be located higher than the plate 451 configured to support electrical components as described below.

The top panel 105 can be joined to the top ends of the two side panels 103 above the plate 451 to support electrical components. The front end of the top panel 105 may be spaced rearwardly from the top end of the door assembly 200. A display groove 108 in which a display (not shown) is exposed may be formed between the front end of the top panel 105 and the top end of the door assembly 200.

The rear panel 107 can be joined to the rear ends of the two side panels 103.

The panels may be made of wood. Therefore, the humidifying air cleaner 10 can give the aesthetic appearance of furniture. In other words, the appearance can be improved.

In particular, the top panel 105 may function as a piece of furniture such as a table, desk, bookshelf, or the like. For example, humidifying air cleaner 10 may be formed to have a height of less than one meter (1 m) to improve utilization of top panel 105.

According to the present invention, the top panel 105 can be used as a table, desk, bookshelf, etc., and when the user is lying on the bed, the humidified air is exhausted at a position close to the user's height. A more comfortable indoor environment can be achieved.

An air filter assembly 280, a humidifying filter assembly 300, a blower fan 480, and the like may be arranged in the interior space of the cabinet 100. Meanwhile, air filter assembly 280 and humidification filter assembly 300 may be collectively referred to as a "filter assembly."

The door assembly 200 may be opened by being pulled out toward the front of the cabinet 100, or may be closed by being pushed toward the rear of the cabinet 100. Door assembly 200 includes a door panel 210 that constitutes a front portion of air cleaner 10. Door panel 210 is sometimes referred to as a "front panel."

Door panel 210 may have the shape of a square plate. When the door assembly 200 is closed, the door panel 210 forms the front surface of the humidifying air cleaner 10 . Furthermore, the door panel 210 is made of wood so that it can provide a furniture-like aesthetic appearance.

The door panel 210 may be closed to a position where it forms a flat surface with the front edges of the top panel 105 and the two side panels 103 when the door assembly 200 is retracted into the cabinet 100.

Thus, the cabinet 100 and door assembly 200 can form a closed structure and double seal internal noise sources.

A concave space 30 is formed between the lower end portion of the door panel 210 and the base 101. An intake port 225 is formed above the concave space 30 to take air into the cabinet 100.

The top panel 105 of the cabinet 100 is formed with an exhaust portion 109 through which filtered and humidified air is exhausted. The evacuation portion 109 may be located on the rear side of the top panel 105. In other words, the discharge portion 109 may be located at the rear upper portion of the humidifying air cleaner 10.

Meanwhile, the exhaust portion 109 may include an air exhaust port, which is an opening formed along the upper end of the housing cover 430 and the upper end of the fan housing 410. The air exhaust port can be understood as an opening through which air that has passed through the blower fan 480 flows and is exhausted to the outside.

Door assembly 200 further includes a drawer 220 extending rearwardly from the rear surface of door panel 210.

The drawer 220 is provided with components of the humidifying air cleaner 10. The components may include an air filter assembly 280, a humidification filter assembly 300, a water tank 260, and a water container 270.

When the door assembly 200 is pulled forward to open the front surface of the cabinet 100, the air filter assembly 280, humidification filter assembly 300, and water container 270 disposed in the drawer 220 can be pulled forward together. Accordingly, a user can easily access air filter assembly 280, humidification filter assembly 300, and water container 270.

Drawer 220 may be coupled to cabinet 100 such that it can be pulled out or pushed into the cabinet. Accordingly, drawer 220 is sometimes referred to as a "door" or "receiving portion."

The door assembly 200 further includes a rail guide 230 for guiding the operation of pulling out the door assembly 200 from the cabinet or pushing the door assembly into the cabinet. Rail guides 230 may be coupled to both sides of the bottom portion of drawer 220.

Door assembly 200 can be pulled out of cabinet 100 or pushed into cabinet 100 by sliding movement along rail guide 230. In other words, the door assembly 200 may be provided in a drawer type to facilitate management of multiple components arranged in the drawer 220.

Humidifying air cleaner 10 includes an air filter assembly 280 for filtering the air, a humidifying filter assembly 300 for humidifying the air, and a blower fan 480 for generating air flow.

In particular, the cabinet 100 includes a body frame 110 that forms a spatial portion 112 in which the components of the air purifier are arranged.

A buffer space 112a may be formed in the space portion 112.

The buffer space 112a is a space formed so that sound waves generated from an internal noise source of the humidifying air cleaner 10 interfere with each other so as to cancel each other.

Internal noise sources may include a fan motor 485, water wheel motor 353, water wheel, blower fan 480, etc. that can generate drive noise, flow noise, etc.

Furthermore, a sound absorbing material for absorbing noise may be provided on the inner surface of the main body frame 110 that defines both side surfaces and the upper portion of the buffer space 112a.

The buffer space 112a may be defined as a space formed between the air filter assembly 280 and the humidifying filter assembly 300.

For example, the width of the buffer space 112a in the front-rear direction may be defined as the distance between the air filter assembly 280 and the humidifying filter assembly 300. The width of the buffer space 112a in both directions may be defined as the distance between both sides of the main body frame 110. The length (or height) of the buffer space 112a in the vertical direction may be defined as the distance from the upper end of the water tank 260 to the plate 451 for supporting electrical components.

The buffer space 112a may have a larger volume toward the upper portion. In other words, the buffer space 112a is formed such that the distance between the front surface of the humidifying filter assembly 300 and the rear surface of the air filter assembly 280 is formed such that the upper end DH is larger than the lower end DL. It's okay.

Therefore, various sound waves generated by driving the blower fan 480, fan motor 485, water wheel, water wheel motor 353, etc. cannot escape to the outside due to the structure defining the buffer space 112a, and may be canceled by mutual interference.

The main body frame 110 may have a hexahedral shape with open front, rear, and top surfaces. Specifically, the front surface of the main body frame 110 is open, and the open front surface may be covered by the door assembly 200. Furthermore, the rear surface of the main body frame 110 is open, and the open rear surface can be covered by the fan housing 410 and the housing cover 430. Furthermore, the top surface of the main body frame 110 may be open, and the open top surface may be shielded by the electrical unit 450.

The two side panels 103 are coupled to both sides of the main body frame 110.

Top panel 105 is coupled to the upper side of electrical unit 450 and rear panel 107 is coupled to the rear side of housing cover 430.

Door assembly 200 includes a door panel 210 forming a front appearance and a drawer 220 extending to the rear of door panel 210.

Drawer 220 includes a door front surface 221 coupled to the rear surface of door panel 210. The door panel 210 and the door front surface 221 may be collectively referred to as a "door front section."

The drawer 220 includes a door side surface 222 extending rearward from both sides of the door front surface 221, a door lower surface provided below the door side surface 222, and a door rear surface extending upward from the rear side of the door lower surface. .

The above-mentioned air intake port 225 may be formed on the lower surface of the door.

An installation space in which the water tank 260, the water container 270, the air filter assembly 280, and the humidifying filter assembly 300 are installed can be defined within the drawer 220 by a door front surface 221, a lower surface of the door, a side surface of the door 222, and a rear surface of the door.

Air filter assembly 280 may be attached to drawer 220. Air filter assembly 280 may include an air filter case 281 and an air filter 285 coupled to filter case 281. Air filter assembly 280 may be arranged to be lifted upward and separated.

The water container 270 may be disposed approximately in the center of the drawer 220, that is, on the rear side of the air filter assembly 280 with respect to the front-rear direction of the cabinet 100. Water container 270 may be attached inside aquarium 260.

The water container 270 may be arranged to be lifted upward and separated, and the user may separate the water container 270 to refill water or to clean the water container 270.

A valve device 276 may be installed at the bottom of the water container 270 to selectively open and close the hole through which water is discharged.

The valve device 276 opens the hole of the water container 270 when the water container 270 is placed on the water container pedestal surface 261s of the water tank 260, and closes the hole of the water container 270 when the water container 270 is separated from the water container pedestal surface 261s. It can work like this.

The water tank 260 may have a polyhedral shape that is open upward.

Aquarium 260 includes an aquarium case 261 configured to receive a water container 270 and a humidification filter assembly 300.

The aquarium case 261 may have one flat surface on which the bottom surface of the water container 270 is seated. In other words, the water tank case 261 may include a water container pedestal surface 261s (see FIG. 9) that is one flat surface on which the water container 270 is seated.

The water tank 260 further includes a float housing portion 262 that protrudes downward from the water tank case 261 and forms an installation space for the float device 500.

In other words, the float receiving portion 262 may be recessed downward from the center of the water container receiving surface to form a space in which the float device 500 is installed.

The float accommodating portion 262 has a hollow shape with a hollow interior, and for example, the float accommodating portion 262 can be disposed substantially in the center of the aquarium case 261.

The float storage portion 262 forms first water storage portions 262a, 263 for storing water, and the float device 500 is movable in the vertical direction along the water level stored in the first water storage portions 262a, 263. may be provided.

On the other hand, the first water storage portions 262a and 263 include a space 262a in which the float device 500 floats in an internal space formed by the float storage portion 262.

When the water level in the first water storage portion 262a becomes equal to or higher than the set water level, the float device 500 rises to prevent water from flowing into the water container 270.

On the other hand, the float device 500 may form an outer surface having a larger radius than the upper and lower ends of the central portion. When the water discharged from the water container 270 is discharged downward by gravity, the water can flow in the radial direction while contacting the outer surface of the float device 500.

Water directed in the radial direction by contact with the float device 500 flows downward into the first water storage portions 262a, 263. Water entering the first water storage portion 262a may flow laterally to fill the second water storage portion 229 together.

Therefore, the water flow path discharged from the water container 270 is bent multiple times over a relatively short distance, thereby minimizing water supply noise.

The water tank 260 may have a second water storage portion 229 extending rearward from the first water storage portion 262a formed by the float accommodating portion 262.

The second water storage portion 229 may communicate with the first water storage portions 262a, 263 and form the same water level as the first water storage portions 262a, 263. For example, the first water storage portion 262a may include a rear space 263 that extends for channeling water to the second water storage portion 229.

Furthermore, the second water storage portion 229 may be formed to have a larger volume than the first water storage portions 262a, 263. For example, the second water storage portion 229 may be formed to increase in volume from the rear space 263 of the first water storage portion.

Note that the first water storage portion 262a and the second water storage portion 229 may be collectively referred to as a “water storage portion” or a “water storage space” of the water tank 260.

The second water storage portion 229 may be formed in the rear portion of the aquarium case 261. Humidification filter assembly 300 may be inserted into second reservoir portion 229 . Accordingly, the humidifying filter assembly 300 may be placed in the rear portion of the drawer 220, ie, on the rear side of the water container 270.

Humidification filter assembly 300 may be arranged to be inserted into aquarium 260. The lower portion of the humidification filter assembly 300 may be positioned to be immersed in water stored in the second water storage portion 229.

The humidifying filter assembly 300 includes a humidifying filter case 310, a humidifying filter unit 320 rotatably supported by the humidifying filter case 310, and a humidifying filter 330 for absorbing water stored in the water tank 260.

Humidifying filter unit 320 may be arranged such that its center coincides with the center of blower fan 480. Thereby, the intake area where the blower fan 480 and the humidifying filter 330 overlap along the air flow direction can be maximized. Therefore, the air that has passed through the humidifying filter 330 can flow into the blower fan 480 with minimal flow loss.

Humidification filter assembly 300 further includes a collection portion 332 for pumping water stored in second water storage portion 229 of aquarium 260 . The collection portion 332 may have a structure capable of retaining water along the outer circumference of the humidification filter unit 320.

Multiple collection portions 332 may be provided.

On the other hand, the humidifying filter 330, the humidifying filter unit 320, and the collecting section 332 can be called a water wheel, which means that the humidifying filter 330, the humidifying filter unit 320, and the collecting section 332 rotate to collect water in the water storage section. This is because it can be retained. The water wheel may have a substantially circular shape.

The water pumped up from the collecting part 332 moves according to the rotation process of the water wheel, and can flow down to the humidifying filter 330 sandwiched between the humidifying filter units 320. Details will be described later.

The humidifying air cleaner 10 further includes a water wheel motor 353 that provides power as a driving device for rotating the water wheel, and a driving gear 355 that is coupled to the water wheel motor 353 and rotates.

Water turbine motor 353 and drive gear 355 may be attached to the front of fan housing 410.

Specifically, the water turbine motor 353 and the drive gear 355 may be arranged between the front surface of the fan housing 410 and the rear surface of the humidifying filter case 310.

The water turbine motor 353 may be arranged outside the fan intake port 415 formed at the center of the fan housing 410.

Specifically, the water turbine motor 353 may be arranged radially farther from the center of the fan intake 415 than the radius of the fan intake 415 . For example, the water turbine motor 353 may be secured by a motor bracket 354 coupled to the upper portion of the fan housing 410.

Drive gear 355 is arranged in front of water turbine motor 353. Drive gear 355 may be connected to the rear of humidification filter case 310 to engage filter gear 338 coupled to humidification filter unit 320.

The outer end portion of drive gear 355 may be defined as the outermost portion that is radially furthest from the center of drive gear 355 .

The outer end portion of the drive gear 355 may be located outside the fan inlet 415 so as not to obstruct the fan inlet 415 for introducing air into the fan 480 from the front.

Here, the outside of the fan inlet 415 may be defined as a point located at a distance greater than the radius of the fan inlet 415 in the radial direction from the center of the fan inlet 415 .

On the other hand, humidifying filter case 310 may form an internal space defined by upper surface 312 and side surface 313 of humidifying filter case 310 at the rear. Furthermore, the water wheel may be arranged in the internal space of the humidifying filter case 310.

In other words, the water turbine motor 353 and the drive gear 355 may be arranged in the internal space of the humidifying filter case 310 below the plate 451 to support the electrical components.

Further, the water turbine motor 353 and the drive gear 355 are surrounded by motor covers 417 and 418 of a fan housing 410, which will be described later, located below and a housing front cover 420 located at the front.

Therefore, the water turbine motor 353 and the drive gear 355 are arranged in a space whose surroundings are shielded. Therefore, leakage of noise generated by the water turbine motor 353 and the drive gear 355 to the outside can be minimized.

In detail, when the water turbine motor 353 and the drive gear 355 are housed in the fan housing 410 and the housing cover 430 and are arranged on a flow path connected to the discharge part 109, the drive noise passes through the discharge part 109. There is a possibility of leakage to the outside.

However, the water turbine motor 353 and drive gear 355 according to the embodiment of the present invention can relatively improve quietness due to the above configuration.

As mentioned above, humidification filter assembly 300 includes filter gear 338 that meshes with drive gear 355 .

Filter gear 338 may be placed behind humidification filter 330. Filter gear 338 may be coupled to drive gear 355 by a gear tooth connection. For example, filter gear 338 may be coupled to an outer surface of humidification filter unit 320.

When the water wheel motor 353 is driven, the filter gear 338 meshes with the drive gear 355 and can rotate clockwise or counterclockwise. Therefore, as the filter gear 338 rotates, the humidifying filter unit 320 and the humidifying filter 330 can rotate together.

The water wheel can be rotated by receiving power from the water wheel motor 353. Thus, rotation of the water wheel causes the water collected by collection portion 332 to move along the circumferential direction. When the collection portion 332 is located above the humidification filter 330 and is able to wet the humidification filter 330, the water within the collection portion 332 falls to the humidification filter 330 by gravity.

Humidification filter 330 may be made of cloth, felt, or sponge material that tends to absorb water.

A sterilizing device (not shown) for irradiating light into the water tank 260 may be disposed behind the water tank 260 to sterilize the water stored in the water tank 260. For example, the sterilization device may include ultraviolet LEDs.

A hole 260h (see FIG. 10) may be formed in the rear side of the aquarium 260 so that light can be emitted from the sterilizer into the aquarium 260.

The sterilizer can sterilize water by irradiating the second water storage portion 229 with light. Furthermore, a cutout 315b (see FIG. 11) may be formed in the humidifying filter assembly 300 so that light can be efficiently irradiated by the sterilizer installed in the hole 260h of the water tank 260.

Humidifying air cleaner 10 further includes a housing assembly 400 disposed inside cabinet 100.

Housing assembly 400 includes a blower fan 480 for generating airflow, a fan housing 410 located in front of blower fan 480, and a housing cover 430 located behind blower fan 480.

Fan housing 410 and housing cover 430 may receive a blower fan 480. In other words, fan housing 410 and housing cover 430 may be provided to surround blower fan 480.

Blowing fan 480 may be coupled to a fan motor 485 coupled to fan housing 410. Fan motor 485 may provide power to rotate blower fan 480.

Housing assembly 400 may further include a housing front cover 420 that covers the front of fan housing 410. Details will be described later.

Housing assembly 400 may be located on the rear side of door assembly 200.

The blower fan 480 includes a centrifugal fan that sucks in air in the direction of the central axis of rotation and exhausts air in the radial direction. For example, a centrifugal fan may include a sirocco fan. Here, the direction of the central axis of rotation of the blower fan 480 may be the same as the front-rear direction of the cabinet 100.

Humidifying air cleaner 10 further includes an electrical section 450 having a plurality of electrical components 453.

The electrical part 450 includes a plate 451 for supporting electrical components covering the open top surface of the main body frame 110. A plate 451 for supporting electrical components may be formed integrally with the fan housing 410. For example, a plate 451 for supporting electrical components may extend forward from the upper end of fan housing 410.

A plurality of electrical components 453 may be attached to the top surface of the plate 451 for supporting electrical components. Electrical portion 450 may further include an electrical cover 455 for shielding at least a portion of the plurality of electrical components 453.

A plate 451 for supporting electrical components may extend forwardly from the upper portion of housing assembly 400.

Top panel 105 is coupled to the upper side of plate 451 for supporting electrical components to protect electrical components 453.

A slide rail (not shown) may be attached inside the main body frame 110. The slide rail may be coupled to the rail guide 230 so as to be movable in the front-back direction. For example, slide rails may be provided in pairs with rail guides.

The slide rails may be arranged on both sides of the lower portion of the body frame 110. The rail guide 230 provided on the door assembly 200 may slide back and forth along the rail assembly.

Slide rail and rail guide 230 may be referred to as a rail assembly. The rail assembly can guide movement of the door assembly 200 in and out of the open surface of the cabinet 100.

A lighting bracket (not shown) to which a lighting device (not shown) is attached is further provided under the main body frame 110.

The lighting bracket may be placed on the upper side of the base 101.

The lighting device includes a lighting PCB 122 having a lighting source and a lighting case 124 coupled to the lighting PCB 122. Multiple illumination sources may be provided.

A reflective plate 120 may be provided on the upper surface of the base 101. A reflective plate 120 may be provided to gently reflect or diffuse the light emitted from the illumination source.

The flow of air in the humidifying air cleaner according to the embodiment of the present invention will be schematically explained.

When the fan motor 485 and the blower fan 480 connected to the fan motor 485 are driven, air outside the humidifying air cleaner 10 may be sucked into the intake port 225 through the concave space 30. Air sucked in through the intake port 225 flows upward and into the drawer 220.

Air passes through air filter assembly 280. Air filter assembly 280 may be placed diagonally forward. Therefore, air can uniformly pass through the front surface of the air filter 285 provided in the air filter assembly 280.

Air filtered by air filter assembly 280 may flow rearward and pass through humidification filter assembly 300. The air is humidified while passing through humidification filter assembly 300 and the humidified air may pass through blower fan 480.

The air filter assembly 280, the water tank 260, and the humidification filter assembly 300 may be sequentially arranged inside the drawer 220 from the front of the cabinet 100 toward the rear of the cabinet 100. Therefore, air filtering and humidification can be easily performed.

On the other hand, air sucked in the direction of the rotation center axis of the blower fan 480 can be discharged in the radial direction. The air that has passed through the blower fan 480 may flow upward and be exhausted to the outside through the exhaust portion 109.

FIG. 5 is a perspective view of a fan housing and a plate 451 for supporting electrical components, according to an embodiment of the invention, and FIG. 6 is a perspective view of a humidification filter motor, motor bracket, and FIG. 7 is an exploded perspective view showing a humidifying filter drive gear, FIG. 7 is a perspective view showing a housing front cover according to an embodiment of the present invention, and FIG. 8 is an enlarged cross-sectional view taken along line KK' in FIG. 1. It is a diagram.

Referring to FIGS. 5-8, fan housing 410 includes a fan inlet 415, which is an opening through which air enters the center of fan housing 410. Referring to FIGS.

The fan intake port 415 may include a fan motor housing 485a surrounding the center of the fan motor 485, and an intake guide rib extending radially or circumferentially from the fan motor housing 485a.

Fan motor housing 485a may extend rearward from the center of fan inlet 415. For example, the fan motor housing 485a may be formed into a bowl shape.

Fan motor 485 may be attached to fan motor housing 485a. In other words, the fan motor 485 can be coupled to the rear surface of the fan housing 410. Accordingly, fan motor 485 may be centrally located in fan inlet 415. As a result, fan motor 485 and blower fan 480 coupled to fan motor 485 may be centrally located in fan inlet 415 .

The intake guide rib can prevent the user's hand from entering the blower fan 480.

A plate 451 for supporting electrical components may be coupled to the upper end of the fan housing 410. For example, the plate 451 for supporting electrical components may extend diagonally forward at the upper end of the fan housing 410. In this case, full-length plate 451 may form an integral part of fan housing 410.

A downwardly extending fastening protrusion 459 may be formed at both ends of the plate 451 for supporting an electrical component. The fastening protrusions 459 may be provided to be fastened to both sides of the main body frame 110.

The fan housing 410 may be provided with an ionizer 413a that functions to remove impurities from the air entering the exhaust portion 109.

In other words, the fan housing 410 may further include an ionizer rib 413 for guiding the ionizer 413a to be coupled thereto.

Ionizer rib 413 extends forward from the front surface of fan housing 410 and surrounds the outer surface of ionizer 413a.

Further, the front surface of the fan housing 410 may have holes formed inside the ionizer ribs 413. Ionizer 413a may supply ions to the air flowing through blower fan 480 to exhaust portion 109.

The fan housing 410 further includes a harness rib 412 into which an electric wire for supplying power to the water turbine motor 353 is inserted, an ionizer 413a, a fan motor 485, and the like.

The harness ribs 412 protrude forward from the front surface of the fan housing 410, and an electric wire may be inserted between the harness ribs 412.

Additionally, fan housing 410 may further include motor covers 417 and 418 disposed outside fan inlet 415.

As discussed above, the outside of fan inlet 415 may be defined as a point located radially from the center of fan inlet 415 at a distance greater than the radius of fan inlet 415 .

In other words, the motor covers 417 and 418 can shield the lower portion of the water turbine motor 353 from the outside of the fan intake port 415.

Specifically, the motor covers 417 and 418 may include a first motor cover 417 extending linearly and a second motor cover 418 extending arcuately from the first motor cover 417.

The first motor cover 417 may be formed by a plate extending forward from the front surface of the fan housing 410. For example, first motor cover 417 may form a plane that extends perpendicularly from the front surface of fan housing 410.

The first motor cover 417 may be placed outside the fan inlet 415.

Furthermore, the first motor cover 417 may be arranged below the water turbine motor 353 and the motor bracket 354 to secure the water turbine motor 353.

The second motor cover 418 may extend diagonally from one end of the first motor cover 417. In other words, the second motor cover 418 may be formed to extend forward from the front surface of the fan housing 410.

The second motor cover 418 may extend along the outer periphery (periphery) of the fan intake port 415. For example, the second motor cover 418 may be rounded to correspond to the curvature of the outer circumference of the fan intake port 415.

Motor covers 417, 418 can block a user's hand access to water turbine motor 353 and motor bracket 354 when door assembly 200 is pulled out.

Further, the motor covers 417 and 418 shield the water turbine motor 353 and the motor bracket 354 from below, and prevent drive noise from leaking outside through the fan intake port 415.

Further, the motor covers 417 and 418 may be formed to correspond to an incision space 423 defined by a cut end 426 of a motor case 425, which will be described later.

The fan housing 410 may further include a fastening shaft 419 for coupling the water turbine motor 353.

The fastening shaft 419 may extend forward from the front surface of the fan housing 410. For example, the fastening shaft 419 may be formed into a cylindrical shape with a circle having a predetermined diameter extending forward.

Multiple fastening shafts 419 may be formed. In this case, the number of louvers 354b described later may correspond to the number of fastening shafts 419.

Furthermore, the fastening shaft 419 may be arranged above the motor covers 417, 418.

As mentioned above, the humidifying air cleaner 10 further includes a motor bracket 354 that couples the water wheel motor 353 to the fan housing 410.

The water turbine motor 353 can be coupled to the front surface of the fan housing 410 by a motor bracket 354 . For example, the fastening shaft 419 can be inserted into the outer surface of the motor bracket 354.

Motor bracket 354 may be placed outside fan intake 415. For example, motor bracket 354 can be coupled to the front surface of fan housing 410 above fan inlet 415.

The water turbine motor 353 may be coupled to the rear surface of the motor bracket 354. The motor bracket 354 may have a hole formed in the center so that the shaft 353a of the water turbine motor 353 passes through the motor bracket 354.

A shaft 353a of the water turbine motor 353 passing forward through the motor bracket 354 may be coupled to a motor shaft coupling hole 356a of the driving gear 355.

In other words, the water turbine motor 353 can be placed behind the motor bracket 354, and the drive gear 355 can be placed in front of the motor bracket 354.

The motor bracket 354 may include a louver guide 354a that protrudes outward along the outer surface.

The louver guide 354a may protrude from the outer surface of the motor bracket 354 in the radial direction of the motor bracket 354. Further, the louver guide 354a may have a rounded shape and extend inwardly. For example, the louver guide 354a may be formed in a "C" shape with one side open.

The louver guide 354a may be coupled to the fastening shaft 419 of the fan housing 410. For example, the fastening shaft 419 can be coupled to a recessed space inside the louver guide 354a.

More specifically, the motor bracket 354 may further include a louver 354b coupled to the fastening shaft 419.

The louver 354b can fit into the louver guide 354a. For example, the louver 354b may form a louver groove 354c recessed toward the center along the outer peripheral surface.

The louver groove 354c may be inserted into a recessed space inside the louver guide 354a and fitted into the louver guide 354a.

The louver 354b may form a louver hole 354d through which the fastening shaft 419 passes. The louver hole 354d may be formed so that the fastening shaft 419 can pass through it in the front-rear direction.

In other words, the fastening shaft 419 may be inserted into and penetrate the louver hole 354d and coupled to the louver 354b.

The outer surface of the louver 354b is fitted into the louver guide 354a so that the motor bracket 354 can fix the water turbine motor 353 to the front surface of the fan housing 410.

The louver 354b may be made of an elastic material. Therefore, the louver 354b can absorb vibrations caused by the operation of the water turbine motor 353. As a result, vibrations generated by the operation of the water turbine motor 353 are absorbed by the louver 354b, and the problem of vibrations being transmitted to the fan housing 410 can be prevented.

In other words, according to the configuration of the motor bracket 354, vibration and noise of the water turbine motor 353 can be reduced.

On the other hand, the fan motor 485 that provides driving force to the blower fan 480 may be referred to as a first motor, and the water turbine motor 353 that provides driving force to the water turbine may be referred to as a second motor.

As mentioned above, the housing assembly 400 may further include a housing front cover 420 that covers the front surface of the fan housing 410.

Housing front cover 420 may be coupled to fan housing 410 so as to cover water turbine motor 353 and motor bracket 354 from the front.

In other words, the housing front cover 420 may be placed in front of the fan housing 410.

On the other hand, the housing cover 430 may be referred to as a first cover because the housing cover is coupled to the rear portion of the fan housing 410, and the housing front cover 420 may be referred to as a first cover because the housing cover is coupled to the front portion of the fan housing 410. It is sometimes called the second cover because it is

The housing front cover 420 may form a cover opening 415a that opens in an area corresponding to the central fan inlet 415.

The cover opening 415a may be located in front of the fan inlet 415. The cover opening 415a may contact the fan inlet 415 along its periphery. For example, the cover opening 415a may be provided in the form of a circle that contacts the periphery of the fan inlet 415.

Meanwhile, an incision portion cut at a predetermined arc length may be formed at the upper end of one of the cover openings 415a. In other words, the cutout portion of the cover opening 415a may form circumferentially spaced spaces. Further, a cut end portion 426 of the motor case 425, which will be described later, may be formed to extend forward from the cut portion.

The housing front cover 420 may further include a motor case 425 recessed forward.

The motor case 425 may be formed on one side of the housing front cover 420. For example, the motor case 425 may be recessed forward from the rear surface of the housing front cover 420.

Motor case 425 may be recessed to correspond to the positions where water turbine motor 353, motor bracket 354, and drive gear 355 are arranged. For example, motor case 425 may protrude from the front of housing front cover 420 in the form of a bowl.

In other words, the water turbine motor 353, the motor bracket 354, and the drive gear 355 may be arranged in the concave space of the motor case 425. Motor case 425 may shield water turbine motor 353, motor bracket 354, and drive gear 355 from the front.

The motor case 425 may be formed with a cut end 426 that forms a space 423 that communicates with the cutout of the cover opening 415a. In other words, the cut end 426 may form an opening in the lower portion of the motor case 425.

The cut end portion 426 may be formed such that the lower end portion of the front surface of the motor case 425 opens roundly toward the front.

Further, the cut end 426 may open one side of the motor case 425 downward or toward the cover opening 415a so as to correspond to the cut portion of the cover opening 415a.

In other words, the cutting edge 426 extends forward from a point in the incision of the cover opening 415a and extends outwardly and arcuately to form a curve at that point.

In other words, a space 423 that opens forward and downward may be defined in the lower portion of the motor case 425 by the cut end 426 .

A part of the space 423 can be covered by the motor covers 417 and 418 described above. In other words, the cut end 426 may define a space 423 in which the motor covers 417, 418 are placed.

In other words, when the housing front cover 420 is coupled to the fan housing 410, the motor covers 417 and 418 may be disposed on the open lower surface of the motor case 425.

Here, the motor covers 417, 418 and the motor case 425 may define a space therebetween (see FIG. 8).

In particular, the motor covers 417, 418 may extend forward to a point spaced from the cut end 426 of the motor case 425. Therefore, the front ends of the motor covers 417 and 418 may be spaced apart from the rear surface of the motor case 425 toward the rear.

The space between the motor covers 417, 418 and the motor case 425 may be defined as an exposed space where the drive gear 355 is exposed.

In other words, the space 423 may include an exposed space for engaging the lower portion of the drive gear 355 with the filter gear 338 attached to the water wheel. Therefore, drive gear 355 can rotate while engaged with filter gear 338 without interfering with motor case 425.

Additionally, the housing front cover 420 includes contacts for selectively connecting power to the door assembly 200 through contact with the rear end of the door assembly 200 when the door assembly 200 is fully pushed into the cabinet 100. A hole 411a may be formed.

The contact hole 411a may be formed in the lower front surface of the housing front cover 420. A switch for electrical connection may be provided on the front surface of the fan housing 410 at a position corresponding to the contact hole 411a.

Furthermore, the housing front cover 420 may further include a sterilizer connector 269a for connecting the power source of the sterilizer described above.

Sterilizer connector 269a may be centrally located at the lower end of housing front cover 420. Additionally, the sterilizer connector 269a may be recessed rearwardly to engage the rear end of the sterilizer.

FIG. 9 is a perspective view illustrating a combination of a humidifier filter assembly and an aquarium according to an embodiment of the present invention, and FIG. 10 is a perspective view illustrating an aquarium according to an embodiment of the present invention.

Referring to FIGS. 9 and 10, the humidification filter assembly 300 may be positioned behind the water container pedestal surface 261s where the water container 270 seats within the aquarium. Humidification filter assembly 300 may be inserted into water tank 260 such that its lower portion is immersed in second water storage portion 229 .

Humidification filter assembly 300 includes a humidification filter case 310.

A handle portion 311 is formed in the humidifying filter case 310. In particular, the handle portion 311 may be formed on the upper portion of the humidifying filter case 310 so that the user's hand can easily grasp the upper portion of the humidifying filter case 310. For example, the handle portion 311 may be formed by recessing or opening a portion of the front surface of the humidifying filter case 310 rearward.

Therefore, the user can easily grasp the humidifying filter assembly 300 by inserting his hand into the space formed by the handle portion 311. Therefore, the humidifying filter assembly 300 can be easily separated or inserted into the aquarium 260.

Further, the humidifying filter case 310 is formed with an intake opening 318 that opens in the front-rear direction so that air can flow into the humidifying filter 330.

The intake opening 318 may be formed to correspond to the front surface of the humidifying filter 330 in the center of the humidifying filter case 310. For example, the intake opening 318 may be formed to have a radius greater than or equal to the radius of the humidifying filter 330.

The center of the intake opening 318 may be located on a straight line with the center of the humidification filter 330. Therefore, air entering the intake opening 318 can pass through the humidification filter 330.

The humidifying filter case 310 may include a support protrusion 318a for supporting the front surface of the humidifying filter unit 320.

The support protrusion 318a may be formed to protrude rearward from the rear surface of the humidifying filter case 310. For example, the support protrusion 318a may extend so as to contact the lower surface of the front surface of the humidification filter unit 320. The extended end portion of the support protrusion 318a may be formed with a blunt curved surface to stably support the rotating humidification filter unit 320.

The support protrusion 318a may be located below the rear surface of the humidifying filter case 310. For example, the support protrusion 318a may be spaced apart above the lowermost end 316a of the humidifying filter case. The support protrusion 318a may be arranged so as to contact a lower front end portion of a first outer frame 321b, which will be described later.

As mentioned above, aquarium 260 includes an aquarium case 261 that forms an exterior that receives a water container 270 .

The aquarium case 261 may further include an engagement portion 264 to which the humidification filter case 310 is attached.

The engagement portion 264 can guide the humidification filter assembly 300 to be easily inserted into the second water storage portion 229.

The engaging portion 264 may be formed symmetrically with respect to both upper ends of the aquarium case 261. The engaging portion 264 may be formed in a shape corresponding to both side surfaces of the humidifying filter case 310. For example, when the step portion 314 of the humidifying filter case 310 is formed in a “┐” shape, the engagement portion 264 may be recessed in a “└” shape. In other words, the engaging portion 264 may be formed in a shape that follows the shape of the stepped portion 314.

The engaging portion 264 may form a stepped protrusion 264a that is inserted into a groove formed in the stepped portion 314 of the humidifying filter case 310. For example, stepped protrusion 264a may protrude upwardly from engagement portion 264.

The lowest point 310a of the humidifying filter case 310 may be spaced upward from the bottom surface of the water tank case 261 forming the second water storage portion 229.

In other words, the height of the engaging portion 264 may be higher than the vertical distance from the lowest point 310a of the humidifying filter case 310 to the stepped portion 314. Therefore, the lowest point 310a of the humidifying filter case 310 may be located higher than the bottom surface of the second water storage portion 229.

Meanwhile, the water tank case 261 may be formed with a water container pedestal surface 261s to which the bottom surface of the water container 270 is attached. The water container pedestal surface 261s may be formed as a flat surface.

The water container pedestal surface 261s can be formed at a higher position than the water storage portions 262a and 229.

The water tank case 261 may further include a pedestal end portion 261a that extends upward along the periphery of the water container pedestal surface 261s and forms a step with the water container pedestal surface 261s.

The pedestal end portion 261a contacts the lower portion of the water container 270 and stably fixes the water container 270.

The water container pedestal surface 261s may be formed at a higher position than the bottom surface of the water tank case 261 that defines the second water storage portion 229.

Specifically, the water tank 260 may further include a float accommodating portion 262 that is recessed downward from the center of the water container pedestal surface 261s. The float device 500 described above may be attached to the float receiving portion 262.

Float device 500 may have an outer surface formed such that its radius is relatively enlarged. The outer surface of the float device 500 can radially guide the flow direction of the falling water when the valve device 276 opens the hole formed in the bottom surface of the water container 270.

The float receiving portion 262 may form a water storage space in which water is stored. The first water storage portions 262a, 263 can be understood as water storage spaces formed by the float accommodation portion 262. Therefore, the water supply noise that occurs while water is falling can be reduced.

The second water storage portion 229 can be understood as a water storage space extending rearward from the first water storage portions 262a, 263.

As described above, the first water storage portions 262a, 263 and the second water storage portion 229 may be collectively referred to as a “water storage portion”.

The maximum height H1 of the water storage portion may be smaller than its maximum width H2. Therefore, while ensuring the water storage capacity of the water storage portion at an appropriate level, the falling distance of water falling downward from the water container 270 can be made relatively small. Therefore, water supply noise can be minimized.

The maximum height of the water storage part is equal to the maximum height of the first bottom part 262a, 263. The maximum height H1 of the first water storage portion 262a may be defined as the vertical distance from the bottom surface of the water tank case 261 that defines the bottom of the first water storage portion 262a to the water container pedestal surface 261s.

In other words, the maximum height H1 of the first water storage portion 262a may be defined as the length of a perpendicular line drawn from the lowest point of the water tank 260 to the water container pedestal surface 261s that contacts the lower end of the water container 270. .

The maximum width H2 of the water storage portion may be defined as the horizontal distance from the front end of the first water storage portion 262a to the rear end of the second water storage portion. In other words, the maximum height H1 of the first water storage portion 262a may be smaller than the maximum width H2 formed by the first water storage portion 262a and the second water storage portion 229.

In other words, the maximum width H2 formed by the first water storage portion 262a and the second water storage portion 229 is the maximum width H2 formed by the first water storage portion 262a and the second water storage portion 229. may be defined as the length of a perpendicular drawn to a point located at the rearmost point of .

The water stored in the water container 270 may flow into the first water storage portions 262a, 263 located below the water container pedestal surface 261s.

The water that has flowed into the first water storage portion 262a may flow into the second water storage portion 229. At this time, the first water storage portions 262a, 263 and the second water storage portion 229 may form the same water level.

In other words, the bottom surface of the first water storage portion 262a may be on the same plane as the bottom surface of the second water storage portion 229. Therefore, the water provided from the water container 270 can maintain the same water level in the first water storage part and the second water storage part.

Thereby, water supply noise generated during the process of supplying water from the water container 270 to the first and second water storage parts can be minimized.

On the other hand, the water tank 260 may be formed such that the center of its front edge is recessed downward. The recessed front edge of the aquarium 260 may be referred to as the front cutout 265.

A front cutout 265 may be provided to allow a user to easily withdraw water container 270 from aquarium 260.

11 is a rear perspective view of a humidifying filter assembly according to an embodiment of the invention, FIG. 12 is a longitudinal cross-sectional view of a humidifying filter assembly according to an embodiment of the invention, and FIG. 13 is a rear perspective view of a humidifying filter assembly according to an embodiment of the invention. FIG. 14 is an exploded perspective view showing the structure of a humidifying filter assembly according to an embodiment, and FIG. 14 is a perspective view showing the structure of a humidifying filter case according to an embodiment of the present invention.

11 to 14, the humidifying filter assembly 300 includes a humidifying filter unit 320 to which the humidifying filter 330 is attached, a humidifying filter case 310 supporting the humidifying filter unit 320 from the front, and a humidifying filter case 310 supporting the humidifying filter unit 320 from the rear. A shaft support 315 is included.

As mentioned above, humidification filter 330, humidification filter unit 320, and collection portion 332 may be referred to as a "water wheel." The humidifying water can be rotated to include water stored in the water tank 260.

The humidifying filter unit 320 and the humidifying filter 330 attached to the humidifying filter unit 320 may be arranged between the humidifying filter case 310 and the shaft support 315.

In other words, the shaft support 315 and the humidifying filter case 310 may form a space in which the humidifying filter unit 320 is arranged.

Humidification filter case 310 and shaft support 315 may be integrally formed. For example, the shaft support 315 may extend upward from the lower rear end of the humidifying filter case 310.

The front surface of the humidifying filter case 310 may be formed such that the lower end of the humidifying filter case 310 is rounded and convex downward. The lowest point 310a of the humidifying filter case 310 may be located at a midpoint that bisects the lower end portion of the humidifying filter case 310.

The lowest point 310a of the humidifying filter case 310 may be placed so as to be immersed in the second water storage portion 229. The lowest point 310a may form part of the bottom opening 316a.

Humidification filter case 310 includes a top surface 312, side surfaces 313, and a bottom surface 316 that extends rearwardly around the front surface. Therefore, the humidifying filter case 310 can form an internal space in which the humidifying filter 330 can be placed by the top surface 312, the side surfaces 313, and the bottom surface 316.

The upper surface 312 of the humidifying filter case 310 may extend vertically from the upper end of the humidifying filter case 310 toward the rear.

The side surfaces 313 of the humidifying filter case 310 may extend downward from both ends of the top surface 312, respectively. For example, side surfaces 313 may extend perpendicularly from top surface 312.

Here, the side surface 313 extending from one end of the upper surface 312 may be referred to as a first side surface, and the side surface 313 extending from the other end of the upper surface 312 may be referred to as a second side surface.

The bottom surface 316 of the humidifying filter case 310 may extend downward from the lower end of the side surface 313 in an arc shape.

In other words, the extending direction of the bottom surface 316 can be inclined downward. For example, the bottom surface 316 may be formed as a concave curved surface.

The bottom surface 316 may form a bottom opening 316a through which water from the second water storage portion 229 flows.

The first bottom surface extending from the first side surface and the second bottom surface extending from the second side surface may extend in opposite directions, that is, inward. The first bottom surface and the second bottom surface may be formed apart from each other.

The bottom opening 316a can be understood as a space spaced apart from the first and second bottom surfaces.

The lowest point 310a may be located below the bottom opening 316a.

Additionally, the lowest point 310a may be located above the bottom surface of the aquarium case 261 that defines the second water storage portion 229. Therefore, the water in the first water storage portion 263 may flow into the second water storage portion 229 through the space communicating below the lowest point 310a.

Humidification filter assembly 300 may be inserted on both sides of aquarium 260 so as to engage each other. Specifically, the side surface 313 of the humidifying filter case 310 may include a stepped portion 314 that curves inward and extends.

The stepped portion 314 may be provided below the side surface 313. Therefore, the bottom surface 316 of the humidifying filter case 310 may extend from the stepped portion 314. The stepped portion 314 may sit on an engagement portion 264 formed in the aquarium 260.

The shaft support 315 may be formed to be separated from the humidification filter case 310. For example, shaft support 315 may have side and bottom surfaces shaped to correspond to step portion 314 and bottom surface 316 .

In this case, the shaft support 315 may be inserted into the stepped portion 314 and the bottom surface 316 and combined with the humidifying filter case 310 . The shaft support 315 may extend upward so as to connect the rear ends of both sides of the shaft support 315 and the rear end of the bottom surface.

The shaft support 315 may extend upwardly to support the humidification filter unit 320 from the rear.

In particular, the shaft support 315 may extend upward by a predetermined width toward the central shaft 335 of the humidification filter unit 320. For example, the shaft support 315 may be formed into a trident shape when viewed from the front.

The shaft support 315 has a seating groove 315a in which the central shaft 335 is rotatably seated.

The seating groove 315a may be formed by recessing the upper end portion of the shaft support 315 so as to be rounded downward.

Shaft support 315 may have an incision port 315b formed at its lower end. The incision port 315b may form a semicircular opening at the lower end of the shaft support 315.

The incision port 315b may form an opening perpendicular to an imaginary plane drawn along the bottom opening 316a.

Humidification filter unit 320 may be placed in front of shaft support 315. In other words, the shaft support 315 can support the humidifying filter unit 320 from the rear.

Therefore, the shaft support 315 can support the humidifying filter unit 320 and the humidifying filter 330 from the rear.

Since the shaft support 315 that supports the humidifying filter 330 from the rear does not block air flowing into the intake opening 318 from the front, the intake area of the humidifying filter 330 can be made relatively large. In other words, the shaft support 315 can maximize the air intake area more than when supporting the central shaft 335 of the front humidifying filter.

Furthermore, the shaft support 315 has the advantage of reducing vibrations of the humidifying filter unit 320, since it supports the humidifying filter unit 320 being pushed rearward by the air flow in the opposite direction.

Meanwhile, the humidifying filter assembly 300 further includes a central shaft 335 for supporting the rotation of the humidifying filter unit 320. The central shaft 335 may be located at a central portion of the humidification filter unit 320. The central shaft 335 may also be understood as the central shaft of a water wheel.

As mentioned above, the humidification filter assembly 300 may further include a collection portion 332 for pumping water from the water storage portions 262a, 229.

Since the collection portion 332 draws up the water stored in the second water storage portion 229 by rotation of the water wheel, the collection portion 332 can be called a lifter.

The collection portion 332 can be rotated to be located below the edge formed by the stepped portion 314 and the bottom surface 316 of the humidifying filter case 310 in the second water storage portion 229 . Additionally, the collection portion 332 can rotate above the lowest point 310a of the humidification filter case 310.

Humidification filter unit 320 includes a first frame 321 and a second frame 322 for fixing humidification filter 330 in both directions.

The first frame 321 can fix the humidifying filter 330 at the front, and the second frame 322 can fix the humidifying filter 330 at the rear.

The second frame 322 may be provided with a filter gear 338 on its rear side.

On the other hand, the first frame 321 may be referred to as a filter support portion, and the second frame 322 may be referred to as a filter gear support portion.

The humidifying filter 330 may be inserted between the first frame 321 and the second frame 322. For example, the humidifying filter 330 may be fixed to the bottom surface of the aquarium 260 by being coupled to the first frame 321 and the second frame 322.

The first frame 321 includes a first outer frame 321b that extends radially from the outer periphery of the humidifying filter 330 so as not to interfere with the intake opening 318 of the humidifying filter case 310, and a first outer frame 321b that presses the humidifying filter 330 from the front. 1 filter frame 321a.

The first outer frame 321b may be formed such that its inner diameter is equal to or larger than the diameter of the intake opening 318. Therefore, the first outer frame 321b may be provided so as not to interfere with the flow of air into the intake opening 318.

The first filter frame 321a may extend radially from the central shaft 335 to the first outer frame 321b. For example, the first filter frame 321a may be formed into a mesh shape having a plurality of holes. Furthermore, each of the plurality of holes may have a hexagonal shape.

The second frame 322 can be coupled to the rear side of the first frame 321.

Further, the second frame 322 may include a second outer frame 322b and a second filter frame 322a in a configuration corresponding to the first frame 321.

The description of the structure of the second outer frame 322b and the second filter frame 322a makes available the description of the first outer frame 321b and the first filter frame 321a.

The first frame 321 and the second frame 322 may be collectively referred to as a "frame." Furthermore, the first outer frame 321b and the second outer frame 322b may be collectively referred to as an "outer frame." Similarly, the first filter frame 321a and the second filter frame 322a may be collectively referred to as a "filter frame."

The second outer frame 322b may be placed behind the first outer frame 321b. The second outer frame 322b and the first outer frame 321b may be symmetrical.

The second filter frame 322a may have a mesh shape in which a plurality of holes are formed. Therefore, the second filter frame 322b can press the humidifying filter 330 from behind.

The central shaft 335 may be coupled to the center of the second frame 322, ie, the center of the filter frame 321b.

The humidification filter unit 320 further includes a collection rib 325 extending vertically at one point on the outer frame 321b, 322b.

The collecting ribs 325 may extend perpendicularly from the inner peripheral surface of the outer frames 321b, 322b.

In particular, the collecting rib 325 may extend perpendicularly from the inner circumferential surface of either the first outer frame 321b or the second outer frame 322b, and may contact the inner circumferential surface of the other. For example, the collection rib 325 may extend vertically from the rear surface of the first outer frame 321b and contact the front surface of the second outer frame 322b.

The outer frame on which the collecting ribs 325 are formed is not limited to the first outer frame 321b. For example, collection ribs 325 may extend from second outer frame 322b.

The collecting rib 325 may be formed in a central portion of the outer frame 321b, 322b to extend along the circumferential direction. In particular, the collection rib 325 may extend along the circumference of the outer frame 321b, 322b between the outer diameter and the inner diameter of the outer frame 321b, 322b.

Further, the first frame 321, the second frame 322, and the collection rib 325 can form a flow groove 341, which is a recessed space along the periphery of the humidification filter unit 320.

In particular, the flow groove 341 may form a concave space defined by the rear surface of the first outer frame 321b, the collection rib 325, and the front surface of the second outer frame 322b. Here, the collection ribs 325 can form a base surface that defines the flow grooves 341.

In other words, the flow groove 341 may form a radially open space between the first outer frame 321b and the second outer frame 322b. Therefore, the flow groove 341 can be understood as a space into which water flows in order to pump up the water stored in the second water storage portion 229.

The flow groove 341 can guide the water stored in the second water storage part 229 to the collection part 332 so that it can be easily collected.

Collection portion 332 may be formed to cover a portion of flow channel 341 . In other words, the collection portion 332 may be formed such that alternating radially open and shielded surfaces are provided along the flow groove 341 . Accordingly, the collection portion 332 may be provided along the outer circumference of the humidification filter unit 320. Details of the collection section 332 will be described later.

Further, the collection ribs 325 together with the collection portion 332 may guide the contained water from the second water storage portion 229 down to the humidification filter 330.

Specifically, any one of the plurality of collection parts 332 can accommodate water in the second water storage part 229 together with the flow groove 341 . Further, due to the rotation of the humidifying filter unit 320, any one of the collecting portions 332 moves above the water surface of the second water storage portion 229.

The water contained in one of the collecting portions 332 can be moved along the base surface of the flow groove 341 in a direction opposite to the direction of rotation due to the rotation of the humidification filter unit 320.

Here, if the position of one of the collection parts 332 is higher than the central shaft 335, water may be discharged through the drop hole 326 formed in the collection rib 325 under the influence of gravity. Ideally, water will flow from a first point where one of the collection portions 332 is higher than the central shaft 335 to a second point that is rotated 180 degrees from the first point. You can fall through 326.

Therefore, water flowing downward through the drop hole 326 can wet the humidification filter 330.

Central shaft 335 may be coupled to a central portion of humidification filter unit 320. The central shaft 335 can rotate clockwise or counterclockwise while being supported by the shaft support 315.

In particular, central shaft 335 may be coupled to the center of second frame 322. The center shaft 335 may be formed in a cylindrical shape extending rearward from the center of the second frame 322.

The seating groove 315a may be formed such that the outer peripheral surface of the center shaft 335 is seated therein. Therefore, the central shaft 335 can easily rotate from the seating groove 315a.

On the other hand, the humidifying filter 330 and the humidifying filter unit 320 may be arranged so as to be inclined forward toward the upper end.

In other words, the humidifying filter 330 may be arranged diagonally from the bottom surface of the water tank 260. Therefore, the intake area of air introduced from the intake opening 318 can be maximized.

If the humidification filter 330 and the humidification filter unit 320 are arranged obliquely, the collection portion 332 may be inserted obliquely into the water stored in the second water storage portion 229 .

Therefore, since the collection part 332 is obliquely inserted into the water in the second water storage part 229 due to the rotation of the humidifying filter unit 320, it is possible to reduce the vertical component force that can generate relatively large frictional noise with the water. I can do it. Therefore, friction noise between the water in the collection portion 332 and the second water storage portion 229 can be minimized.

Specifically, the shortest distance D1 from the top end of the humidification filter unit 320 to the humidification filter case 310 may be shorter than the shortest distance D2 from the bottom end of the humidification filter unit 320 to the humidification filter case 310.

In other words, the water wheel may be tilted so that the vertical distance from the humidifying filter case 310 to the upper end of the water wheel is shorter than the vertical distance from the humidifying filter case 310 to the lower end of the water wheel.

In other words, the water wheel can be rotated and placed such that its upper end is tilted forward within the cabinet 100 relative to its lower end.

A central shaft 335 may be coupled to the center of the second outer frame 322b. The center of the second outer frame 322b may be coupled obliquely to the outer surface of the central shaft 335.

In other words, the central shaft 335 may form a groove for guiding the center of the second outer frame 322b in a diagonal manner. The groove of the central shaft 335 may be formed to be diagonally recessed along the outer surface. Therefore, the first outer frame 321b and the humidifying filter 330 combined with the second outer frame 322b may be arranged diagonally.

An imaginary vertical line perpendicular to the axis O of the central shaft 335 can be defined as a shaft vertical line O1.

The second outer frame 322b may be coupled to the central shaft 335 such that the humidification filter 330 is tilted forward by a predetermined angle α from the shaft normal O1.

The predetermined angle α may be set to an angle of 0 to 5 degrees.

A filter gear 338 provided on the rear surface of the second outer frame 322b can engage the drive gear 355 diagonally when the predetermined angle α exceeds 5 degrees. Therefore, gear teeth may wear relatively quickly and noise may occur due to rotation between filter gear 338 and drive gear 355.

Of course, the drive gear 355 may be provided with an inclination corresponding to the inclination of the filter gear 338.

The central shaft 335 may include a bearing (not shown) to facilitate rotation of the diagonally coupled second outer frame 322b.

The bearing may be attached to the joint between the central shaft 335 and the second outer frame 322b. Therefore, even if the second outer frame is coupled at an angle from the central shaft 335 disposed along the axis O, the second outer frame 322b can be stably rotated.

Furthermore, even when a plurality of guide rollers 352 and 353, which will be described later, are arranged diagonally, the humidifying filter unit 320 can be stably supported.

As mentioned above, humidification filter assembly 300 includes filter gear 338 that meshes with drive gear 355 .

Filter gear 338 receives power from drive gear 355 and rotates humidification filter unit 320 .

In particular, filter gear 338 may be mounted along second outer frame 322b. For example, filter gear 338 may engage the rear surface of second outer frame 322b. Accordingly, filter gear 338 may be positioned so as not to interfere with the flow of air through humidification filter 330.

When the filter gear 338 rotates, the humidifying filter unit 320 and the humidifying filter 330 coupled to the filter gear 338 can rotate together.

The humidifying filter assembly 300 further includes guide rollers 351 , 352 , 353 , and 354 for supporting the humidifying filter unit 320 .

Guide rollers 351 , 352 , 353 , 354 may be arranged on the inner surface of humidification filter assembly 300 .

Here, the inner surface of the humidifying filter assembly 300 may include a rear surface of the humidifying filter case 310 and a front surface of the shaft support 315.

In other words, the guide rollers 351, 352, 353, 354 can be attached to the inner surfaces of the humidifying filter case 310 and the shaft support 315.

The guide rollers 351, 352, 353, 354 include front guide rollers 351, 352 for guiding the rotation of the water turbine in front of the water turbine, and rear guide rollers 353, 354 for guiding the rotation of the water turbine. But that's fine.

The front guide rollers 351 and 352 are in contact with the front surface of the humidifying filter unit 320 and can roll along with the rotation of the humidifying filter unit 320. For example, the front guide rollers 351, 352 may contact the upper surface of the front surface of the first outer frame 321b.

The front guide rollers 351 and 352 may be provided so as to protrude rearward from the rear surface of the humidifying filter case 310.

The rear guide rollers 353 and 354 contact the rear surface of the humidifying filter unit 320 and can roll along with the rotation of the humidifying filter unit 320. For example, the rear guide rollers 353, 354 may contact the lower rear surface of the second outer frame 322b.

The rear guide rollers 353 and 354 may be provided to protrude forward from the front surface of the shaft support 315.

The front guide rollers 351 and 352 and the rear guide rollers 353 and 354 can support the front and rear surfaces of the humidifying filter unit 320. Specifically, the front guide roller 351 supports the front upper part of the water wheel, and the rear guide rollers 353 and 354 support the rear lower part of the water wheel.

Therefore, the guide rollers 351, 352, 353, and 354, together with the support protrusion 318a, can stably support the rotation of the humidifying filter unit 320 arranged diagonally.

The front guide rollers 351 and 352 may be spaced apart along the circumferential direction of the intake opening 318 on the rear surface of the humidifying filter case 310. For example, the guide rollers 351 and 352 may be arranged in a virtual circle drawn along a predetermined diameter from the center of the intake opening 318.

The predetermined diameter is set larger than the diameter of the intake opening 318 and smaller than the outer frames 321b and 322b of the humidifying filter unit 320. Here, the outer frame may be understood as the outer diameter of the first outer frame 321b.

By supporting the humidifying filter unit 320 from the front, the front guide rollers 351 and 352 can stably maintain the balance of the humidifying filter 330 together with the rear guide rollers 353 and 354 which support the humidifying filter unit 320 from the rear. I can do it.

Further, the guide rollers 351, 352, 353, and 354 can stably maintain the balance of the humidifying filter unit 320, which is diagonally arranged together with the central shaft 335 seated on the shaft support 315.

In particular, since the humidifying filter 330 rotates together with the humidifying filter unit 320, the humidifying filter 330 is maintained in balance by the front guide rollers 351, 352, the rear guide rollers 353, 354, and the shaft support 315. It can rotate stably.

The guide rollers 351, 352, 353, and 354 can prevent the humidifying filter unit 320 from contacting the rear surface of the humidifying filter case 310 and the front surface of the shaft support 315. Therefore, rotational friction and vibration of the humidifying filter unit 320 can be reduced. Therefore, the noise caused by the water wheel can be minimized.

Furthermore, the guide rollers 351, 352, 353, and 354 can roll according to the rotation of the humidifying filter unit 320. For example, the guide rollers 351, 352, 353, 354 may include cylindrical rollers or ball-shaped rollers.

A plurality of guide rollers 351, 352, 353, 354 may be provided.

The front guide rollers 351, 352 may include a first guide roller 351 and a second guide roller 352.

The first guide roller 351 and the second guide roller 352 may be arranged along the upper semicircle of the intake opening 318. Specifically, the first guide roller 351 and the second guide roller 352 may be coupled so as to be spaced apart from the rear surface of the humidifying filter case 310.

Further, the first guide roller 351 may be coupled to the rear surface of the humidifying filter case 310 so as to form an acute angle with the second guide roller 352 and the central shaft 335.

Therefore, the first guide roller 351 and the second guide roller 352 can stably support the humidifying filter unit 320 whose upper end can be tilted forward.

The rear guide rollers 353, 354 may include a third guide roller 353 and a fourth guide roller 354.

The third guide roller 353 and the fourth guide roller 354 may be spaced apart from each other along the circumferential direction of the second outer frame 322b at the front surface of the shaft support 315.

Specifically, the third guide roller 353 and the fourth guide roller 354 may be coupled to the front surface of the shaft support 315 to correspond to the rear surface of the second outer frame 322b.

The third guide roller 353 may be coupled to the front surface of the shaft support 315 so as to form an acute angle with the fourth guide roller 354 and the central shaft 335.

Therefore, the third guide roller 353 and the fourth guide roller 354 can stably support the humidifying filter unit 320 whose lower end can be tilted rearward.

FIG. 15 is an enlarged view of "A" in FIG. 13. Specifically, FIG. 15 is an enlarged view of the second guide roller 352. As shown in FIG.

The plurality of guide rollers 351, 352, 353, and 354 have the same configuration as the second guide roller 352 except for the installation position. Therefore, by describing the configurations of the plurality of guide rollers 351, 352, 353, and 354, the following configuration of the second guide roller 352 can be used.

Referring to FIG. 15, the second guide roller 352 is provided with a roller 352 for rolling, and a first roller rib 352a and a second roller rib 352b, which are members for fixing the roller. There is.

The first roller rib 352a and the second roller rib 352b may protrude rearward from the rear surface of the humidifying filter case 310.

The first roller rib 352a and the second roller rib 352b may be radially spaced apart from the center of the intake opening 318.

The second guide roller 352 may further include a roller shaft 352c that is a shaft for rotating the roller 352.

The roller shaft 352c may be formed to pass through the center of the roller 352. Therefore, the roller 352 can roll around the roller shaft 352c.

One end portion of the roller shaft 352c is coupled to the first roller rib 352a, and the other end portion of the roller shaft 352c is coupled to the second roller rib 352b. Thereby, the second guide roller 352 can be stably fixed to the humidifying filter case 310.

The guide rollers 351, 352, 353, and 354 can perform rolling motion corresponding to the rotation of the outer frame of the humidifying filter unit 320. Therefore, the humidifying filter unit 320 can be guided to rotate stably. As a result, friction noise caused by rotation of the water turbine can be reduced.

FIG. 16 is an exploded perspective view of a humidifying filter unit according to an embodiment of the present invention, and FIG. 17 is a rear perspective view showing a filter support portion (first frame) according to an embodiment of the present invention.

Referring to FIGS. 16 and 17, the second frame 322 may further include an operating rod 370 inserted into the first frame 321.

The operating rod 370 may extend perpendicularly from one surface of the second outer frame. For example, the operating rod 370 may be formed in a cylindrical shape.

The first frame 321 may form an operation hole 371 into which the operation rod 370 is inserted.

The operating hole 371 may be formed as an opening through which the operating rod 370 passes through the first outer frame of the first frame 321 .

When the first frame 321 and the second frame 322 are coupled, the user can rotate the operating rod 370 in one direction. Therefore, the first frame 321 and the second frame 322 can be easily separated.

Specifically, the second frame 322 includes a pressing protrusion 375 that protrudes from one surface of the second outer frame and is coupled to the first frame 321, and a contact line 376 that extends a predetermined length in the circumferential direction. and may further include.

A plurality of pressing protrusions 375 and a plurality of contact lines 376 may be provided. A plurality of disassembly guides 379 may be provided to correspond to pressing protrusions 375, which will be described later.

The pressing protrusion 375 may be located at the extended end of the contact line 376. The pressing protrusion 375 may have a large protruding length in the direction in which the contact line 376 extends. In other words, the pressing protrusion 375 can form a slope.

First frame 321 may further include a disassembly guide 379 protruding from collection portion 322 .

The disassembly guide 379 may be formed to protrude from one side of the collection portion 322 that contacts the second frame 322. The disassembly guide 379 may be formed at a position corresponding to the pressing protrusion 375 and the contact line 376.

Furthermore, the disassembly guide 379 may extend circumferentially. For example, disassembly guide 379 may extend to correspond to contact line 376. The disassembly guide 379 may extend obliquely in the extending direction.

The disassembly guide 379 may be disposed in close contact with the contact line 376 above or below the contact line 376 when the first frame 321 and the second frame 322 are coupled to each other.

When the user rotates the operating rod 370, the disassembly guide 379 may be rotated along the guide of the contact line 376 to contact the pressing protrusion 375.

As the pressing protrusion 375 rotates due to the inclination of the pressing protrusion 375, the disassembly guide 379 that contacts the pressing protrusion 375 may be gradually separated. In this case, the humidifying filter unit 320 can be easily combined or separated. Therefore, the humidifying filter 330 can be easily replaced.

Meanwhile, the humidifying filter 330 may have a filter hole 330a into which a fastening member is inserted and fixed to the first frame 321 or the second frame 322. For example, the plurality of filter holes 330a may be provided along the outer periphery of the humidifying filter 330.

The humidifying filter 330 may be fixed between the first frame 321 and the second frame 322 by a fastening member inserted into the filter hole 330a.

18 is a cross-sectional view taken along line C-C' in FIG. 17, and FIG. 19 is an enlarged view of portion "B" in FIG. 17.

Referring to FIGS. 18 and 19, multiple collection portions 332 may be provided.

The collection portion 332 is configured such that water flows into the flow groove 341 upon rotation of the humidification filter unit 320 .

In other words, the collecting portion 332 may be formed to cover a portion of the flow groove 341 formed in the circumferential direction of the humidifying filter unit 320. For example, the collection portion 332 may extend from the collection rib 325 in a “┐” shape.

More specifically, the collection portion 332 includes a shielding wall 332c that extends radially from the collection rib 325 with respect to the central shaft 335, and a top wall that extends in the rotational or circumferential direction of the humidification filter unit 320. 332a are provided.

Shielding wall 332c and top wall 332a may be collectively referred to as the “wall” of collection portion 332.

In other words, the wall may extend from the edge of the first outer frame 321b and connect the edge of the second outer frame 322b.

The shielding wall 332c may extend perpendicularly from the tangent through a point of the collecting rib 325. Additionally, the top wall 332a may extend from the shielding wall 332c in the direction in which the collecting ribs 325 extend.

Accordingly, the collection portion 332 can be radially spaced apart from the collection rib 325 and define a space for water to enter. Here, the space into which water flows may be called a collection groove 345.

In other words, the shielding wall 332c and the top wall 332a may form a collection groove 345 in which water flowing from the second water storage portion 229 is collected. For example, shield wall 332c and top wall 332a may extend from collection rib 325 to form collection groove 345.

The extending direction of the upper wall 332a may coincide with the rotating direction of the water turbine. Therefore, the water stored in the second water storage portion 229 can flow into the collection groove 345 due to the rotation of the water wheel.

The extended end portion defined as the end portion in the extending direction of the upper wall 332a may form an inflow hole 343, which is an opening for introducing water flowing into the collection groove 345. The inflow hole 343 and the collection groove 345 communicate with each other.

A number of drop holes 326 corresponding to the collection portions 332 are formed in the collection rib 325 as openings through which the water pumped into the collection groove 345 can fall.

An imaginary straight line drawn from the extended end portion of the top wall 332a toward the central shaft 335 may form a perpendicular line at one tangent to the collection rib 325. The foot of the perpendicular line may then be located in front of the drop hole 326 in the direction of rotation of the water wheel.

The water flowing into the collection portion 332 falls into the humidifying filter 330 through the drop hole 326 when the collection portion 332 and the collection rib 325 are rotated upside down.

Meanwhile, the collection groove 345 may have various sizes. For example, the top wall 322a or the shielding wall 332c may extend further in the circumferential or radial direction to increase the ability to pump water. For example, the shielding wall 332c may extend further radially than the outer frame.

Collection portion 332 may further include a side wall 332b connecting shielding wall 332c and top wall 332a.

Sidewall 332b may extend in a direction opposite the first outer frame and/or the second outer frame.

Water pumped up from the collection portion 332 by rotation of the filter gear 338 can fill the collection groove 345 along the inner surface of the top wall 332a.

Further, in the process of rotating the humidifying filter unit 320, the water in the collection groove 345 can flow into the drop hole 326 while moving within the inner surface of the shielding wall 332c and the collection rib 325.

Water discharged through drop hole 326 may wet humidification filter 330. In other words, the water flowing down through the drop hole 326 soaks into the humidifying filter 330, and the air introduced from the intake opening 318 is humidified while passing through the humidifying filter 330.

Hereinafter, embodiments of the filter gear 338 and the drive gear 355 coupled in the direction in which the door assembly 200 is taken in and taken out, that is, in the front-back direction, will be described in detail.

The drive gear 355 and filter gear 335 according to embodiments of the present invention can be engaged in the front-rear direction.

Furthermore, the drive gear 355 and filter gear 335 according to the embodiment of the present invention can more easily and smoothly connect two gears that engage in the front-rear direction.

Additionally, drive gear 355 and filter gear 335 according to embodiments of the present invention allow a user to provide relatively little force to achieve coupling between the two gears.

The drive gear 355 and filter gear 335 according to embodiments of the present invention may minimize noise by reducing frictional resistance due to contact between the two gears. In other words, it is possible to improve the quietness of the water turbine.

FIG. 20 is an enlarged view of "E" in FIG.

Referring to FIG. 20, filter gear 338 includes a filter gear frame 338a and filter gear teeth 338b.

Filter gear frame 338a may extend vertically rearward from second outer frame 322b. Filter gear frame 338a may extend around second outer frame 322b.

In other words, the filter gear frame 338a may be provided on the rear surface of the second frame 322. Filter gear frame 338a may extend circumferentially of second frame 322. Here, the circumferential direction can be understood as the direction formed by the trace of points at the same distance with respect to the central shaft 335.

The filter gear frame 338a may be formed in a ring shape.

Filter gear teeth 338b may be defined as gear teeth of filter gear 338. In other words, filter gear teeth 338b can form teeth from filter gear frame 338a.

Filter gear teeth 338b may protrude radially from filter gear frame 338a. Here, radial direction can be understood as the direction extending from the central shaft 335 to the outer frame.

The plurality of filter gear teeth 338b may be arranged at predetermined intervals along the circumference of the filter gear frame 338a.

The filter gear 338 further includes a slip guide 339 for guiding coupling with the drive gear 355.

The slip guide 339 can slide a coupling boss 358, which will be described later, to one side or the other.

Slip guide 339 may be formed on filter gear tooth 338b. Specifically, the slip guide 339 may be formed to protrude rearward from the filter gear teeth 338b.

The direction of protrusion of the slip guide 339 can be understood as the direction perpendicular to the radial direction in which the filter gear teeth 338b protrude rearwardly from the filter gear frame 338a.

The slip guide 339 can extend from the filter gear tooth 338b such that the width of both ends of the slip guide 339 narrows toward the rear.

In other words, both side surfaces of the slip guide 339 may be formed as inclined surfaces. For example, the cross section of the slip guide 339 may form a triangle.

The slope formed on one side of the slip guide 339 is defined as a first slope portion 339b, and the slope formed on the other side of the slip guide 339 is defined as a second slope portion 339c.

The first angled portion 339b and the second angled portion 339b may extend rearwardly from opposite ends of the filter gear tooth 338b and contact each other. For example, an imaginary straight line drawn in the extending direction of the first inclined portion 339b may contact or intersect with an imaginary straight line drawn in the extending direction of the second inclined portion 339c.

The rear end portion 339a of the slip guide 339 may be defined as an edge where the first sloped portion 339b and the second sloped portion 339c contact each other.

The rear end portion 339a of the slip guide 339 may be formed as a curved surface. Therefore, the rear end portion 339a of the slip guide 339 can contact a curved surface portion 359 of the coupling boss 358, which will be described later, and guide the coupling boss 358 to one side or the other side.

FIG. 21 is a perspective view showing the configuration of a humidifying filter drive gear according to an embodiment of the present invention.

Referring to FIG. 21, drive gear 355 includes a drive gear frame 356 and drive gear teeth 357.

Specifically, the drive gear frame 356 may extend radially from a motor shaft coupling hole 356a to which the shaft 353a of the water turbine motor 353 is coupled. For example, drive gear frame 356 may include a disc shape.

Drive gear frame 356 may be formed with multiple perforations 356b to reduce weight.

A motor shaft coupling hole 356a connected to the water turbine motor 353 may be formed in the center of the drive gear frame 356. The shaft of the water turbine motor 353 is coupled to the motor shaft coupling hole 356a so that the power of the water turbine motor 353 can be transmitted to the drive gear 355.

The outer periphery of the drive gear frame 356 may be thicker than the central portion. The outer periphery of drive gear frame 356 may extend circumferentially. Here, the circumferential direction can be understood as the direction formed by tracing points at the same distance to the motor shaft coupling hole 356a.

Drive gear teeth 357 may be defined as gear teeth of drive gear 355. In other words, drive gear teeth 357 can form teeth from drive gear frame 356 .

Drive gear teeth 357 may be formed to protrude from drive gear frame 356.

In particular, drive gear teeth 357 may extend radially from the outer periphery of drive gear frame 356. Here, the radial direction can be understood as a direction extending toward the drive gear frame 356 centering on the motor shaft coupling hole 356a.

The plurality of drive gear teeth 357 may be arranged at predetermined intervals along the periphery (circumferential direction) of the drive gear frame 356.

The drive gear 355 further includes a coupling boss 358 for guiding coupling with the filter gear 338.

When door assembly 200 is pushed into cabinet 100, coupling boss 358 contacts slip guide 339 and can slide to one side or the other.

A coupling boss 358 may be formed on the drive gear tooth 357. For example, coupling boss 358 may be formed at the front end of drive gear tooth 357.

More specifically, coupling boss 358 may protrude forward from drive gear tooth 357 and contact slip guide 339 . For example, the protruding direction of the coupling boss 358 may be perpendicular to the protruding direction of the drive gear tooth 357.

The drive gear tooth 357 on which the coupling boss 358 is formed may have an inclined surface such that widths at both ends of the drive gear tooth 357 become narrower toward the coupling boss 358. The sloped surface of the drive gear tooth 357 can be configured to easily slide into the first sloped portion or the second sloped portion of the slip guide 339 described above.

In other words, the coupling boss 358 and the slip guide 339 may extend in opposite directions.

The coupling boss 358 may have a cylindrical shape. The coupling boss 358 may be formed in a hemispherical shape so that the front end portion thereof easily slides when the slip guide 339 contacts the front end portion.

In other words, the coupling boss 358 may include a curved portion 359. In particular, the curved portion 359 is formed at the front end of the coupling boss 358 and may be shaped like a blunt hemisphere.

Therefore, when the slope guide 339 and the coupling boss 358 come into contact with each other while the filter gear 339 is retracted, the curved portion 359 can easily slide on the first slope portion 339b or the second slope portion 339c. Drive gear tooth 357 and filter gear tooth 338b are rotated to a minimum by coupling boss 358 sliding along first angled portion 339b or second angled portion 339c, thus connecting filter gear tooth 338b to two drive gear teeth. It can be inserted between 357 and 357. As a result, filter gear teeth 338 and drive gear teeth 357 can be coupled in engagement with each other.

FIG. 22 is a diagram showing a process of engagement between a humidifying filter drive gear and a filter gear according to an embodiment of the present invention.

Referring to FIG. 22, a process in which the filter gear 338 and the driving gear 355 are engaged with each other according to an embodiment of the present invention will be described in detail.

Door assembly 200 may be pulled into or inserted into cabinet 100 by external force from a user. At this time, the direction F in which the filter gear 338 is drawn may be the same as the direction of the external force exerted by the user.

Along with the movement of the door assembly 200 being retracted into the cabinet 100, the rearwardly moving filter gear 338 may come into contact with the drive gear 355 fixed to the cabinet 100. For example, the rear end 339a of the slip guide 339 moving into the cabinet 100 along the direction F may contact the coupling boss 358.

When the rear end portion 339a of the slip guide 339 and the curved surface portion 359 of the coupling boss 358 are in contact with each other, both the rear end portion 339a of the slip guide 339 and the curved surface portion 359 of the coupling boss 358 are formed as curved surfaces. Therefore, the curved surface portion 359 of the coupling boss 358 can easily slide to the first guide portion 339b or the second guide portion 339c. Thus, the slip guide 339 can guide the coupling boss 358 to slide toward one side or the other while traveling in the direction F.

When the coupling boss 358 slides along the first angled portion 339b or the second angled portion 339c of the slip guide 339, the drive gear tooth 357 and/or the filter gear tooth 338b can rotate. Here, the rotation direction R1 of the filter gear tooth 338b may be opposite to the rotation direction R2 of the drive gear tooth 357.

In other words, drive gear tooth 357 and filter gear tooth 338b rotate such that filter gear 338 moves in direction F and filter gear tooth 338b can be inserted between two drive gear teeth 357. As a result, filter gear teeth 338b and drive gear teeth 357 can be engaged with each other.

In summary, while the slip guide 339 moves into the cabinet 100 along the direction F, the coupling boss 358 slides along the first sloped portion 339b or the second sloped portion 339b. Accordingly, filter gear 338 and drive gear 355 may rotate and be arranged alternately between the gear teeth of filter gear 338 and drive gear 355.

FIG. 23 is a graph comparing experimental results of required force depending on relative position when a humidifying filter drive gear and a filter gear are combined according to an embodiment of the present invention.

If related art gears other than the filter gear 338 and drive gear 355 according to the embodiments described above are provided, the user can adjust the filter so that the gear teeth of the filter gear 338 are located between the gear teeth of the drive gear 355. The gear teeth of gear 338 must be forcibly pushed. At this time, there is a problem in that the force applied by the user is much larger than when the filter gear is pulled into the cabinet from the side direction of the humidifying filter drive gear.

The graph of FIG. 23 shows the power N required to engage filter gear 338 and drive gear 355 according to the relative position % between filter gear 338 and drive gear 355.

The relative position % is based on the case where the rear end surface of the gear teeth of the filter gear 338 is in contact with the front end surface of the gear teeth of the drive gear 355.

In other words, the case where the rear end of the filter gear tooth 338b contacts the front end of the drive gear tooth 357 is defined as the relative position reference (0%).

The right positive (+) direction from the reference (0%) is defined as the relative position where filter gear tooth 338b rotates in the first direction (clockwise) and contacts drive gear tooth 357. The negative (-) direction to the left from the reference (0%) is defined as the relative position where the filter gear tooth 338b rotates in the second direction (counterclockwise) and contacts the drive gear tooth 357.

For example, it can be understood that a relative position of +50% is when any one of the filter gear teeth 338b rotates in a clockwise direction and is completely located between two filter gear teeth 338b. In this case, the force N necessary for the user to push the door assembly 200 can be minimized.

Furthermore, it can be seen that the relative position -50% is when any one of the filter gear teeth 338b rotates in a counterclockwise direction and is completely located between two filter gear teeth 338b. Therefore, the force N required at relative position +50% and relative position -50% is the same.

The necessary force N can be defined as the force required for coupling as an acceptance criterion assuming that the filter gear is drawn in the side direction of the humidifying filter drive gear. For example, the acceptance criterion may be 5N (standard).

With filter gears and humidifying filter drive gears that are not compatible with the embodiments of the invention described above (related art), maximum force is required at a relative position of 0%. At this time, the maximum force may be 20N or more.

On the other hand, if filter gear 338 and drive gear 355 according to an embodiment of the invention are provided (invention), the required force N depending on the relative position will remain substantially constant within the acceptance criteria (5N). drooping

In other words, according to the filter gear 338 and the drive gear 355 according to the embodiment of the present invention, the filter gear 338 and the drive gear 355 can be easily engaged with each other in the front-rear direction.

Accordingly, a user can push door assembly 200 with relatively little force to couple filter gear 338 and drive gear 355 into precise engagement with each other.

On the other hand, drive gear 355 may be referred to as a first gear, and filter gear 338 may be referred to as a second gear. In other words, the first gear fixed to the cabinet 100 can be easily coupled to the second gear retracted or inserted from the front.

Although all elements of the embodiments may be combined together or operated in combination, the present disclosure is not limited to such embodiments. That is, all elements can be selectively combined with each other without departing from the scope of the invention. Furthermore, when an element is described as comprising (or containing or having) several elements, it may comprise (or contain or have) only those elements, or in the absence of specific limitations. It is to be understood that the may include (or include or have) these elements as well as other elements. Unless explicitly defined herein, all terms, including technical or scientific terms, shall be given the meanings that are understood by those of ordinary skill in the art. Commonly used terms, as well as dictionary-defined terms, should be interpreted as meanings used in technical contexts and, unless specifically defined here, are not ideal or overly formal. not be interpreted as meaning.

Although embodiments have been described with reference to several illustrative embodiments, various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Those skilled in the art will understand that this can be done. Accordingly, the preferred embodiments are to be considered in an illustrative sense only and not as a limitation, and the scope of the invention is not limited to the embodiments. Furthermore, the invention is defined by the appended claims rather than by this detailed description, and all differences within the scope are intended to be included in the present disclosure.

10 Humidifying air cleaner 30 Concave space 100 Cabinet 101 Base 103 Side panel 105 Upper panel 107 Rear panel 108 Display groove 109 Exhaust section 110 Main body frame 112 Space section 112a Buffer space 120 Reflection plate 122 Lighting PCB
124 Lighting case 200 Door assembly 210 Door panel 220 Drawer 221 Door front 222 Door side 225 Air intake 229 Second water storage portion 230 Rail guide 260 Water tank 260h Hole 261 Aquarium case 261a Pedestal end 261s Water container pedestal surface 262 Float storage portion 262a No. 1 water storage portion 263 First water storage portion 264 Engagement portion 264a Stepped protrusion 265 Front cutout portion 269a Sterilizer connector 270 Water container 276 Valve device 280 Air filter assembly 281 Air filter case 285 Air filter 300 Humidification filter assembly 310 Humidification Filter case 310a Lowermost point 311 Handle portion 312 Top surface 313 Side surface 314 Step portion 315 Shaft support 315a Seating groove 315b Cutting port 316 Bottom surface 316a Bottom opening 318 Intake opening 318a Support protrusion 320 Humidifying filter unit 321 First frame 321a First 1 filter frame 321b 1st outer frame 322 2nd frame 322a 2nd filter frame 322b 2nd outer frame 325 Collection rib 326 Fall hole 330 Humidification filter 330a Filter hole 332 Collection portion 332a Upper wall 332b Side wall 332c Shielding wall 335 Center shaft 338 Filter gear 338a Filter gear frame 338b Filter gear teeth 339 Slip guide 339a Rear end portion 339b First inclined portion 339c Second inclined portion 341 Flow groove 343 Inflow hole 345 Collection groove 351 First guide roller 352 2 guide roller 352a First roller rib 352b Second roller rib 352c Roller shaft 353 Water turbine motor 353a Shaft 354 Motor bracket 354a Louver guide 354b Louver 354c Louver groove 354d Louver hole 355 Drive gear 356 Drive gear frame 356a Motor shaft coupling hole 356b Drilling 357 Drive gear teeth 358 Connection boss 359 Curved portion 370 Operation rod 371 Operation hole 375 Pressing protrusion 376 Contact line 379 Disassembly guide 400 Housing assembly 410 Fan housing 411a Contact hole 412 Harness rib 413 Ionizer rib 413a Ionizer 415 Fan intake port 415a Cover opening 417 First motor cover 418 Second motor cover 419 Fastening shaft 420 Housing front cover 423 Cutting space 425 Motor case 426 Cut end 430 Housing cover 450 Electrical unit 451 Plate 453 Electrical parts 455 Electrical cover 459 Fastening protrusion 480 Blow fan 485 Fan motor 485a Fan motor housing 500 Float device D1 Shortest distance D2 Shortest distance F Direction H1 Maximum height H2 Maximum width α Predetermined angle

Claims (19)

A humidifying air purifier,
Polyhedral-shaped body frame with an open front surface;
a door assembly configured to pull out or retract the open front surface of the main body frame;
a fan housing that is coupled to the main body frame, and includes a fan intake port that shields an open rear surface of the main body frame and into which air is introduced;
a blower fan disposed with the fan intake port on the rear side of the fan housing;
a first motor operably connected to the blower fan and driving the blower fan;
the first motor is coupled to a rear surface of the fan housing and located at the center of the fan intake;
a second motor coupled to the front surface of the fan housing and located outside the fan intake;
an air filter assembly housed within the door assembly;
a humidification filter assembly housed within the door assembly, blocking the front of the second motor, and located behind the air filter assembly; and between the air filter assembly and the humidification filter assembly; A buffer space is formed to cancel sound waves;
In the direction from the front of the humidifying air cleaner to the rear of the humidifying air cleaner, the width of the buffer space is defined as the distance between the air filter assembly and the humidifying filter assembly;
In the humidifying air cleaner, the buffer space is formed such that a width (DH) at an upper end of the buffer space is larger than a width (DL) at a lower end of the buffer space. The humidifying air cleaner according to claim 1, wherein the buffer space is formed such that the volume of the buffer space increases toward an upper portion of the buffer space. The humidifying air cleaner according to claim 1, wherein a direction in which the door assembly is pulled out is parallel to an axial direction of the first motor and the second motor. a housing cover coupled to the rear side of the fan housing and surrounding the blower fan;
Plate for supporting electrical components;
The plate is arranged to cover an open top surface of the main body frame,
a side panel coupled to each opposing side of the body frame and extending above the plate for supporting electrical components;
a rear panel coupled to a rear end of each of the respective side panels and configured to shield a rear side of the housing cover;
a top panel coupled to an upper end of each of the respective side panels and configured to cover an upper side of the plate for supporting the electrical components; and a door panel forming a front surface of the door assembly. Further prepare,
The humidifying air cleaner of claim 1 , wherein the door panel forms a flat surface with front ends of each of the top panel and the side panel. Cabinet with open front;
the door assembly is configured to be pulled out or retracted into the open front of the cabinet;
a water tank provided in the door assembly and forming a water storage space;
a water wheel disposed in the door assembly; and a lower end of the water wheel immersed in water stored in the water storage space;
The water turbine is equipped with a humidifying filter,
a humidifying filter case configured to shield the front part of the water turbine and forming an intake opening into which air flows at a position corresponding to the front part of the humidifying filter;
the second motor is housed within the cabinet and configured to rotate the water turbine;
The water wheel is arranged such that the shortest distance D1 from the uppermost end of the water wheel to the humidifying filter case is shorter than the shortest distance D2 from the lowermost end of the water wheel to the humidifying filter case. 1. The humidifying air cleaner according to 1. The humidifying air cleaner according to claim 5, wherein the water wheel is disposed within the cabinet, and the upper end of the water wheel is inclined forward within the cabinet with respect to the lower end of the water wheel. The water turbine further includes a frame,
the humidifying filter is fixed to the frame,
6. The humidifying air cleaner of claim 5, wherein the central shaft of the water wheel comprises a groove configured to guide the frame and couple obliquely to the cabinet. Cabinet with open front;
the door assembly is configured to be pulled out or retracted into the open front of the cabinet;
a water tank disposed on the door assembly and forming a water storage portion and a water container seat surface; and
a water container is seated on the water container pedestal surface at a higher position than the water storage portion;
a water wheel inserted into the water storage portion, connected to the second motor, and rotated by the second motor;
the second motor is housed within the cabinet;
The water wheel is
the humidifying filter configured to absorb water from the water storage portion by rotating the humidification filter and coming into contact with the water in the water storage portion;
A humidifying filter comprising: two outer frames extending along the circumference of the humidifying filter and supporting the humidifying filter in the front-rear direction; and a flow groove defined by a space between the two outer frames. unit and
A humidifying air cleaner according to claim 1, comprising a collection portion comprising a wall covering a portion of the flow groove and extending to connect edges of the two outer frames. The humidifying filter unit is
further comprising a collecting rib defining a bottom of the flow channel and extending from one of the two outer frames to contact the other of the two outer frames;
The humidifying air cleaner according to claim 8, wherein the collecting rib comprises a drop hole through which the water flows into the humidifying filter. The wall of the collection part is
a shielding wall extending vertically from the collecting rib to the outer edges of the two outer frames;
The humidifying air cleaner according to claim 9, further comprising an upper wall extending from an end portion of the shielding wall along one of the outer edges of the two outer frames. cabinet;
the door assembly is slidably connected to the cabinet by a rail;
a water tank provided in the door assembly and containing water;
a water wheel inserted into the water tank provided in the door assembly , and collecting water stored in the water tank by rotation of the water wheel ;
the second motor is coupled to an inner portion of the cabinet and connected to the water wheel to rotate the water wheel;
a humidifying filter case inserted into the water tank;
The humidifying filter case is configured to cover the water wheel, and includes an opening through which a part of the water wheel is exposed to water in the water tank,
a shaft support extending from the rear end of the humidifying filter case and supporting the rear part of the water wheel; and a guide roller that is in contact with the water wheel and is adapted to roll in the front-rear direction. The humidifying air cleaner according to claim 1, further comprising: The guide roller includes a front guide roller that contacts an outer frame of the water turbine from the front side of the water turbine;
The humidifying air cleaner according to claim 11, further comprising: a rear guide roller that contacts the outer frame of the water turbine from the rear side of the water turbine. The front guide roller is attached to the inner surface of the humidifying filter case,
The humidifying air cleaner according to claim 12, wherein the rear guide roller is attached to an inner surface of the shaft support. a cabinet configured to open in one direction;
a humidifying filter unit housed in the door assembly and configured to absorb water stored in a water reservoir on the door assembly by rotating the humidifying filter unit underwater;
a drive gear rotatably coupled to the second motor;
a filter gear attached to the rear side of the humidifying filter unit and engaged with the drive gear;
the door assembly is configured to be pulled out from the cabinet in an opening direction of the cabinet;
The humidifying air cleaner according to claim 1, wherein the rotational direction of the drive gear or the filter gear is perpendicular to the direction in which the door assembly is pulled out from the cabinet. 15. The humidifying air cleaner of claim 14, wherein the filter gear is configured to engage the drive gear in a direction in which the door assembly is pushed into the cabinet. The drive gear includes drive gear teeth,
The filter gear is
filter gear teeth;
The humidifying air cleaner according to claim 14, further comprising a slip guide that projects rearward from the filter gear teeth and is configured to guide engagement between the filter gear teeth and the drive gear teeth. The humidifying air cleaner according to claim 16, wherein the drive gear includes a coupling boss protruding forward from the drive gear teeth and contacting the slip guide. a housing assembly for the first motor; and the housing assembly is configured to shield a rear side of the main body frame;
the first motor is configured to drive a blower fan;
the second motor is housed in the housing assembly;
further comprising: a motor bracket configured to secure the second motor to the housing assembly;
The motor bracket is
a louver guide extending outward from the outer peripheral surface of the motor bracket;
The humidifying air cleaner according to claim 1, further comprising: a louver having a groove formed along the periphery of the louver and fitting into the louver guide. The housing assembly includes:
the fan housing;
a housing cover coupled to a rear portion of the fan housing and configured to house the blower fan; and a housing front coupled to a front portion of the fan housing and covering the second motor and the motor bracket. The humidifying air cleaner according to claim 18, comprising: a cover.