Air purifier

Abstract

The air cleaner of the present application includes: a housing; a supply fan; a discharge main body including a discharge flow path and a discharge outlet; a discharge guide disposed on the upper side of the housing where the discharge outlet is located and supported by the discharge main body, having a plurality of grates arranged side by side with each other at the discharge outlet; a motor that rotates the discharge guide with the rotation axis formed in the up-down direction as a reference; and a partition device disposed on the upper side of the discharge main body and combined with the discharge main body, limiting the upper side movement of the discharge guide; the discharge main body includes: an inner side main body and an outer side main body extending in the up-down direction, forming the discharge flow path between each other by being spaced apart from each other in the radial direction; and a fixed main body spaced apart from the radial inner side of the inner side main body, combined with the partition device, and the motor is disposed on the inner side of the fixed main body; the discharge guide is provided with a guide rail engaged with a gear connected to the motor, and extending in the rotation direction of the discharge guide.

Description

[0001] This case is a divisional application of the invention patent application filed on July 9, 2021, with application number 2021107770290 and title "Air Purifier". Technical Field

[0002] This invention relates to air purifiers, and more specifically, to an air purifier that regulates the flow direction of air discharged from an annular outlet. Background Technology

[0003] An air purifier is a device that reduces dust and bacteria in the air of a designated space by filtering and expelling the air. Air purifiers utilize the airflow within the space to filter out impurities and expel the air that has been cleaned of them.

[0004] Korean Patent Publication No. KR10-2017-0140578 discloses an air purifier that is arranged vertically and filters a large amount of air. In the air purifier disclosed in the aforementioned document, when the air purifier is positioned at the bottom, purified air can be uniformly discharged radially through an annular airflow path. In this case, the purified air can be discharged towards the walls or corners of the indoor space, that is, in directions other than towards the interior space.

[0005] Even when the air purifier is designed to output air evenly in all directions, the purified air may be discharged into undesirable areas depending on its configuration. Therefore, it is necessary to adjust the direction of the air discharged from the air purifier located at the bottom. Summary of the Invention

[0006] The objective of this invention is to provide an air purifier that allows for easy adjustment of the direction of airflow from the exhaust port. Specifically, it provides an air purifier that, through a simple structure, changes the direction of airflow from an annular exhaust port upwards.

[0007] Another objective of this invention is to provide an air purifier that concentrates air output to only a localized area, thereby causing the filtered air to flow in the direction desired by the user.

[0008] Another objective of this invention is to provide an air purifier that enables air expelled from a first air supply device disposed at the lower part to travel a greater distance.

[0009] The subject matter of this invention is not limited to the subject matter mentioned above, and those skilled in the art can clearly understand other subject matters not mentioned from the following description.

[0010] The air purifier of the present invention includes: a housing extending vertically and forming an exterior; a blower fan disposed inside the housing; an exhaust body disposed on the upper side of the housing, including an exhaust flow path for airflow from the blower fan and an exhaust port disposed on the upper side of the housing; an exhaust guide disposed on the upper side of the housing where the exhaust port is located and supported by the exhaust body, having a plurality of grilles arranged side-by-side at the exhaust port to convert the flow direction of the airflow from the exhaust port to one direction; and a motor that causes the exhaust guide to rotate about a rotation axis formed in the vertical direction. The device includes a rotating part; and a separating device disposed on the upper side of the dispensing body and coupled to the dispensing body to restrict upper movement of the dispensing guide; the dispensing body includes an inner body and an outer body extending in a vertical direction and forming the dispensing flow path between them by being radially spaced apart; and a fixing body disposed radially inside the inner body and coupled to the separating device, wherein the motor is disposed inside the fixing body; and a guide rail is disposed on the dispensing guide, the guide rail meshing with a gear connected to the motor and extending in the rotational direction of the dispensing guide.

[0011] The ejection guide includes: a lower end plate extending radially inward from the lower end of the inner peripheral wall, and a guide rail formed on the lower surface of the lower end plate.

[0012] The grille includes: a straight portion extending in a vertical direction; and a curved portion extending from the upper side of the straight portion and having a shape that curves radially outward.

[0013] The grille is formed as a straight surface, which is radially inclined relative to the vertical direction.

[0014] It also includes: a lower fixing wall that is coupled to the upper side of the fixing body; and a guide wall that extends upward from the lower fixing wall and has a circular cross-section; a portion of the plurality of the grilles is inclined toward the guide wall.

[0015] A gear hole is formed in the fixed body, and a motor shaft extending from the motor and connected to the gear passes through the gear hole.

[0016] The upper end of the inner body is located below the plurality of the grilles, and the inner peripheral wall is configured to be separated from the inner body radially inward.

[0017] The ejector body includes a connecting plate that connects the fixing body and the inner body. The connecting plate is formed at a position lower than the upper end of the inner body to form an insertion space between the inner body and the fixing body for inserting a portion of the ejector guide.

[0018] The lower fixing wall includes: a lower portion, which is coupled to the fixing body; and an upper portion, which is connected to the upper side of the lower portion of the lower fixing wall and extends upward toward a portion of the ejection guide inserted into the insertion space to restrict upward movement of the ejection guide.

[0019] The ejection guide includes: an outer peripheral wall forming an outer periphery; and an inner peripheral wall forming an inner periphery, disposed radially inward from the outer peripheral wall; a plurality of the grilles are disposed between the outer peripheral wall and the inner peripheral wall; the ejection guide further includes: a lower end plate extending radially inward from the lower end of the inner peripheral wall and inserted into the insertion space; and a guide rail is disposed on the lower surface of the lower end plate.

[0020] It also includes a first bearing, which is disposed on the upper surface of the lower end plate and contacts the fixing body or the lower end fixing wall.

[0021] It also includes a stop that protrudes upward from the lower end plate and restricts the rotation range of the ejection guide. A protruding rib is formed on the lower end fixed wall that contacts the stop in the rotation direction of the ejection guide.

[0022] The air purifier of the present invention includes: a first air supply device that discharges air through a first outlet formed on its upper side; a second air supply device disposed on the upper side of the first air supply device that discharges air through a second outlet formed on the upper side of the second air supply device; and a separating device disposed between the first air supply device and the second air supply device and extending in a vertical direction, thereby separating the first air supply device and the second air supply device in a vertical direction; the first air supply device includes: a housing extending in a vertical direction and forming an exterior; an air supply fan disposed on the inner side of the housing; and an outlet body disposed on the upper side of the housing and combined with the separating device, including an outlet flow path for air discharged from the air supply fan and an annular first outlet provided on the upper side of the housing; the outlet body... A guide member, disposed on the upper side of the housing where the first discharge outlet is located and supported by the discharge body, has a plurality of grilles arranged side-by-side at the first discharge outlet to convert the flow direction of the air discharged from the first discharge outlet into one direction; and a motor that rotates the discharge guide member about a rotation axis formed in the vertical direction; the discharge body includes: an inner body and an outer body extending in the vertical direction, forming the discharge flow path between them by being radially spaced apart; and a fixing body, spaced apart and disposed radially inside the inner body, coupled with the separating device, the motor being disposed inside the fixing body; a guide rail is disposed on the discharge guide member, the guide rail meshing with a gear connected to the motor, and extending in the rotation direction of the discharge guide member.

[0023] The separating device includes: a lower fixed wall configured to be radially inwardly spaced from the annular first outlet and coupled to the upper side of the fixed body; and a guide wall extending upward from the lower fixed wall and having a circular cross-section; and a plurality of the grilles inclined in the same direction relative to the rotation axis, with a portion inclined toward the guide wall.

[0024] It also includes a circulator, which is disposed above the second outlet of the second air supply device to change the flow direction of the air discharged upward through the second outlet.

[0025] To achieve the above-mentioned objectives, an air purifier according to an embodiment of the present invention includes: a housing having an outlet formed on its upper side that opens vertically; and a fan disposed inside the housing to allow air inside the housing to flow toward the outlet, thereby causing the air to flow upward. The air purifier of the present invention also includes: an outlet body disposed on the upper side of the housing where the outlet is formed, forming an outlet flow path that directs air flowing toward the fan toward the outlet; an outlet guide rotatably disposed on the upper side of the outlet body, having a plurality of grilles that are curved to guide air flowing upward via the outlet flow path radially outward; and a motor that rotates the outlet guide disposed on the outlet body, thereby enabling the upward-flowing air to be blown in one direction.

[0026] The ejection body includes: an outer body forming an outer shape; and an inner body disposed radially inside the outer body, forming an annular ejection flow path with the outer body; thereby forming an annular flow path for air ejected upwards.

[0027] The plurality of grilles are spaced apart from each other along a direction perpendicular to the vertical direction and are curved to one side in the direction they are spaced apart, thereby guiding the air expelled through the annular flow path to one side.

[0028] It may also include a gear that rotates via a connection to a motor, which may be mounted on the dispensing body. Additionally, the dispensing guide includes a guide rail disposed inside the inner body and meshing with the gear, thereby adjusting the airflow direction of the air flowing upwards via the annular dispensing path without obstructing the flow of air through the dispensing path.

[0029] The guide rail can be formed into a ring shape on the lower surface of the ejection guide.

[0030] The gear is a bevel gear that rotates around a rotation axis perpendicular to the rotation axis of the ejection guide and is conical in shape, thereby enabling the ejection guide to rotate.

[0031] It also includes a gear that rotates by being connected to the motor, which is mounted on one side of the ejection guide. A guide rail that meshes with the gear is formed on one side of the ejection body. The ejection guide is equipped with a motor, and the ejection body has a guide rail, thereby enabling the ejection guide to rotate.

[0032] It also includes a separating device disposed on the upper side of the dispensing body, the separating device extending radially outward from the upper side of the dispensing body, the dispensing body including a fixing body configured to be spaced inward from the inner body and fixed to the separating device.

[0033] The ejection body includes a connecting plate that connects the fixed body and the inner body. The connecting plate is formed at a position lower than the upper end of the inner body, thereby providing space for a guide rail for configuring the ejection guide.

[0034] The ejection guide includes a guide rail, which is formed in a ring shape on the lower surface of the ejection guide and meshes with the gear. The guide rail is configured to be inserted into the space between the inner body and the fixed body, thereby enabling the ejection guide to rotate stably.

[0035] The dispensing body includes a motor mount, which is disposed inside the fixed body and fixes the position of the motor, thereby fixing the motor to the dispensing body and causing the dispensing guide to rotate.

[0036] The ejection guide includes: an outer peripheral wall forming an outer periphery; an inner peripheral wall disposed radially inward from the outer peripheral wall; a plurality of ejection grilles disposed between the outer peripheral wall and the inner peripheral wall, curved to change the direction of rising air; and a lower end plate extending radially inward from the lower end of the inner peripheral wall; a guide rail is formed on the lower surface of the lower end plate, the guide rail guiding the rotation of the ejection guide by meshing with the gear, thereby allowing the ejection guide to rotate via the lower end plate, and the ejection grilles may be disposed between the outer peripheral wall and the inner peripheral wall forming an annular shape.

[0037] A first bearing is disposed on the upper surface of the lower end plate. The first bearing rotates by contacting one side of the ejection body, thereby stably guiding the rotation of the ejection guide.

[0038] A stop is provided on the upper side of the lower end plate. The stop is formed to protrude upward from the lower end plate and restrict the rotation range of the ejection guide, thereby limiting the rotation range of the ejection guide.

[0039] The dispensing body includes a placement portion that extends radially outward from the upper end of the outer body. A portion of the dispensing guide is disposed on the upper side of the placement portion, thereby allowing the dispensing guide to be rotatably placed on the upper side of the dispensing body.

[0040] A bearing groove is formed in the mounting portion, and a second bearing that contacts the outer peripheral wall of the ejection guide is disposed in the bearing groove, thereby enabling the ejection guide disposed in the ejection body to rotate stably.

[0041] The air purifier of the present invention includes: a first air supply device that discharges air from an outlet formed on the upper side of the first air supply device; a second air supply device disposed on the upper side of the first air supply device that discharges air from an outlet formed on the upper side of the second air supply device; and a separating device disposed between the first air supply device and the second air supply device, thereby separating the first air supply device and the second air supply device in the vertical direction; thereby enabling air to flow through the first air supply device and the second air supply device.

[0042] Additionally, the first air supply device disposed on the lower side includes: a housing having an outlet formed on its upper side that opens vertically; an air supply fan disposed on the inner side of the housing to direct air from the inner side of the housing to the outlet; an outlet body disposed on the upper side of the housing where the outlet is formed, forming an outlet flow path to direct air flowing to the air supply fan to the outlet; an outlet guide rotatably disposed on the upper side of the outlet body, having a plurality of grilles that are bent to guide air flowing upward through the outlet flow path radially outward; and a motor disposed on the outlet body to rotate the outlet guide; thereby enabling air discharged upward from the first air supply device to be guided to one side.

[0043] The separating device includes: a guide wall extending upward in an arc shape; and a lower fixed wall extending downward to the guide wall and engaging with the discharge body, thereby allowing the separating device to be fixedly mounted on the discharge body and blocking the flow of air from the first air supply device to the second air supply device.

[0044] The ejection guide includes: an outer peripheral wall forming an outer periphery; an inner peripheral wall spaced radially inward from the outer peripheral wall; a plurality of ejection grilles disposed between the outer peripheral wall and the inner peripheral wall, curved to change the direction of the rising air; and a lower end plate extending radially inward from the lower end of the inner peripheral wall; a guide rail is formed on the lower surface of the lower end plate, the guide rail guiding the rotation of the ejection guide by meshing with the gear; a first bearing is disposed on the upper surface of the lower end plate, the first bearing rotating by contacting the outer peripheral surface of the lower end fixed wall, thereby ensuring that the ejection guide disposed above the first air supply device does not contact the separating device and can rotate stably.

[0045] A stop is provided on the upper side of the lower end plate. The stop is formed to protrude upward from the lower end plate. The stop restricts the rotation range of the ejection guide by contacting a part of the separating device, thereby limiting the rotation range of the ejection guide by the separating device.

[0046] It also includes a circulator, which is movably disposed on the upper side of the second air supply device and adjusts the air direction of the air discharged from the second air supply device, thereby enabling the air direction of the air discharged from the first air supply device and the air discharged from the second air supply device to be adjusted respectively.

[0047] Specific details regarding other embodiments are included in the detailed description and accompanying drawings.

[0048] The air purifier according to the present invention has one or more of the following effects.

[0049] First, it has the advantage of being able to easily change the flow direction of the upward-expelled air by means of an extrusion guide rotatably mounted on the extrusion body, wherein the extrusion body forms an extrusion flow path that opens in the vertical direction.

[0050] Furthermore, by utilizing the inner space of the ejector body to house the motor and gears, and ensuring an area for the ejector guide rail on the upper side where the gears are located, the product also has the advantage of being compact. Therefore, the structure having an ejector guide and the ability to rotate it does not obstruct the flow of air along the annular ejector flow path, and thus allows for changes in airflow direction.

[0051] Second, it includes a discharge guide, which is rotatably mounted on the discharge body to form an upward airflow path and guides the upward airflow in one direction. This has the advantage of being able to adjust the direction of the upward airflow so that the filtered air flows to the area desired by the user, thereby quickly improving the comfort of the indoor space.

[0052] That is, it has the advantage of minimizing the amount of air discharged into dead zones where air purification is not needed, while concentrating the discharged purified air into the areas where purification is required.

[0053] Third, since the first air supply device is located below the second air supply device, it is difficult to adjust the direction of the air discharged from the first air supply device. However, in this invention, there is a structure in which an annular discharge guide rotates on the discharge body, and a plurality of grilles are provided, thereby having the advantage of being able to blow air upwards over a long distance.

[0054] Fourth, since the air direction of the air discharged from the first air supply device and the air discharged from the second air supply device can be adjusted separately, it has the advantage of being able to meet the needs of users.

[0055] The effects of this invention are not limited to those mentioned above, and those skilled in the art can clearly understand other effects not mentioned from the description of the claims. Attached Figure Description

[0056] Figure 1 This is a perspective view of an air purifier according to an embodiment of the present invention.

[0057] Figure 2 This is a cross-sectional view of an air purifier according to an embodiment of the present invention.

[0058] Figure 3 This is a perspective view of a portion of the ejection body, ejection guide, and separating device in an assembly state according to an embodiment of the present invention.

[0059] Figure 4 This is a cross-sectional view of the ejection body, ejection guide, and separation device in an assembled state according to an embodiment of the present invention.

[0060] Figure 5 This is a perspective view of the ejector body according to an embodiment of the present invention.

[0061] Figure 6 This is a perspective view of an ejection guide according to an embodiment of the present invention.

[0062] Figure 7 This is a perspective view of another side of the ejection guide according to an embodiment of the present invention.

[0063] Figure 8 This is a bottom view illustrating the configuration of the ejection guide, motor, and gears according to an embodiment of the present invention.

[0064] Figure 9 This is a top view of an ejection guide according to an embodiment of the present invention.

[0065] Figure 10This is a perspective view of the ejection guide according to another embodiment of the present invention.

[0066] Figure 11 This is a perspective view of the ejection guide and ejection body according to another embodiment of the present invention.

[0067] Figure 12 This is a perspective view of the ejection guide and ejection body according to another embodiment of the present invention.

[0068] Figure 13a This is a diagram illustrating the shape and configuration of a plurality of grilles in an ejection guide according to an embodiment of the present invention.

[0069] Figure 13b This is a cross-sectional view of a plurality of grilles of an ejection guide according to another embodiment of the present invention.

[0070] Figure 13c This is a cross-sectional view of a plurality of grilles of an ejection guide according to another embodiment of the present invention.

[0071] Figure 14 The data represent the flow of the air purifier in the state without the discharge guide of the present invention. (a) shows a 3D flow view viewed from above when the first air supply device and the second air supply device are in operation. (b) shows a 3D flow view viewed from the side when the first air supply device and the second air supply device are in operation. (c) is a graph showing the wind direction and wind speed viewed from the side when the first air supply device and the second air supply device are in operation.

[0072] Figure 15 The data represent the flow of the air purifier in the state of being equipped with the discharge guide of the present invention. (a) is a 3D flow view observed from above when the first air supply device and the second air supply device are in operation. (b) is a 3D flow view observed from the side when the first air supply device and the second air supply device are in operation. (c) is a graph showing the wind direction and wind speed observed from the side when the first air supply device and the second air supply device are in operation.

[0073] Explanation of reference numerals in the attached figures

[0074] 10: Air purifier 100: First air supply device

[0075] 110: First housing; 112: First intake port

[0076] 115: Base; 120: First Filter

[0077] 132: First fan; 140: First air delivery guide.

[0078] 149: First ejection port 150: Ejection of the main body

[0079] 151: Outer Main Body 152: Inner Main Body

[0080] 153: Rib 154: Fixed body

[0081] 156: Connecting plate 157: Installation section

[0082] 158: Second bearing; 160: Motor mount

[0083] 163: Motor; 165: Gear

[0084] 170: Ejection guide 171: Outer perimeter wall

[0085] 172: Inner peripheral wall; 173: Extrusion grille

[0086] 174: Lower end plate; 175: Guide rail

[0087] 176: Upper end plate; 178: First bearing

[0088] 179: Stopping element; 190: Separating device

[0089] 192: Guide wall; 194: Lower end fixing wall

[0090] 196: Next door 198: Support plate

[0091] 200: Second air supply device; 210: Second housing

[0092] 220: Second filter; 232: Second fan

[0093] 252: Second discharge outlet; 270: Moving device

[0094] 300: Circulator; 310: Lower cover

[0095] 320: Top cover; 330: Air supply fan Detailed Implementation

[0096] The advantages, features, and implementation methods of the present invention will become clearer from the embodiments described in detail below with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below and can be embodied in various different forms. These embodiments are provided merely to fully disclose the invention and to completely reveal the scope of the invention to those skilled in the art. The scope of protection of the present invention is determined solely by the scope of the claims. Throughout this specification, the same reference numerals denote the same constituent elements.

[0097] The present invention will now be described with reference to the accompanying drawings, which illustrate the air purifier through embodiments thereof.

[0098] Reference Figure 1The air purifier 10 of this embodiment includes: air supply devices 100 and 200 that generate airflow; and a circulator 300 that changes the exhaust direction of the airflow generated by the air supply devices 100 and 200. The air supply devices 100 and 200 include a first air supply device 100 that generates a first airflow and a second air supply device 200 that generates a second airflow.

[0099] Reference Figures 1 to 2 The first air supply device 100 and the second air supply device 200 can be configured in the vertical direction. The second air supply device 200 can be configured above the first air supply device 100.

[0100] The air purifier 10 includes housings 110 and 210 that form the appearance. Housings 110 and 210 include a first housing 110 that forms the appearance of a first air supply device 100 and a second housing 210 that forms the appearance of a second air supply device 200.

[0101] The first housing 110 may be cylindrical. The first housing 110 may be configured such that the diameter of the upper part is smaller than the diameter of the lower part.

[0102] A first air intake 112 is formed in the first housing 110. The first air intake 112 connects the inner and outer sides of the first housing 110. A plurality of first air intakes 112 are formed. A plurality of first air intakes 112 may be formed on the circumferential surface of the first housing 110, and the first housing 110 may have a first discharge port 149 that opens upward.

[0103] A plurality of first intake ports 112 are formed elongatedly in the vertical direction. The plurality of first intake ports 112 are uniformly formed in the circumferential direction along the outer peripheral surface of the first housing 110, so that air can be drawn in from any direction with the first housing 110 as a reference.

[0104] As described above, the first housing 110 is configured in a cylindrical shape, and a plurality of first intake ports 112 are formed along the outer peripheral surface of the first housing 110, thereby increasing the amount of air intake.

[0105] Reference Figure 2 An outlet guide 170 is disposed on the upper part of the first air supply device 100. The outlet guide 170 is rotatably disposed on the upper part of the first outlet 149, which opens upwards, and changes the direction of the upward-flowing air. An annular first outlet 149 is formed on the upper part of the first housing 110. An outlet body 150 forming an outlet flow path 150a may be disposed on the upper part of the first housing 110 to guide the air flowing upwards through the first fan 132; and an outlet guide 170 rotatably disposed on the outlet body 150 to change the direction of the upward-discharged air.

[0106] The first filter 120 can be detachably installed in the installation space. The first filter 120 is formed in a cylindrical shape, and air can flow in through the outer peripheral surface of the first filter 120. During the process of passing through the first filter 120, impurities such as dust present in the air can be filtered out.

[0107] Since the first filter 120 is cylindrical, air can flow in from any direction, using the first filter 120 as a reference. This increases the air filtration area.

[0108] The mounting space can be configured as a cylindrical shape corresponding to the shape of the first filter 120. During installation, the first filter 120 can be slidably introduced into the mounting space. Conversely, during separation, the first filter 120 can be slidably withdrawn from the mounting space.

[0109] The first air supply device 100 includes: a first fan housing 130 disposed on the upper side of the first filter 120; a first fan 132 rotatably disposed on the inner side of the first fan housing 130; and a first fan motor 134 for rotating the first fan 132.

[0110] A circular first shroud intake hole 130a is formed on the lower side of the first fan shroud 130, and an annular first shroud exhaust hole 130b is formed on the upper side of the first fan shroud 130. The first fan 132 draws in air axially and discharges air radially upward.

[0111] The first fan 132 includes: a first hub 132a, coupled to the rotating shaft of a first fan motor 134, which is a centrifugal fan motor; a first shroud 132b, spaced apart from the first hub 132a; and a plurality of first blades 132c, disposed between the first hub 132a and the first shroud 132b. The first fan motor 134 may be coupled to the upper side of the first fan 132.

[0112] The first air supply device 100 also includes a first air supply guide 140, which is connected to the upper side of the first fan 132 and guides the air passing through the first fan 132 upward.

[0113] The first air supply guide 140 forms an annular first air supply path 140a for airflow from the first fan 132.

[0114] The first air supply guide 140 includes: a cylindrical first air supply body 142 forming the appearance; a bowl-shaped first motor cover 144 disposed in the center of the first air supply body 142, into which a first fan motor 134 is inserted; and a plurality of first guide blades 146 arranged circumferentially on a first air supply flow path 140a formed between the first air supply body 142 and the first motor cover 144.

[0115] The first air supply guide 140 forms an annular first air supply path 140a between the first air supply body 142 and the first motor cover 144 for airflow from the first fan 132.

[0116] A plurality of first guide vanes 146 guide air expelled from the first fan 132 into the first airflow path 140a upwards. Each of the plurality of first guide vanes 146 can be formed into a curved plate shape that is arranged nearly vertically. The first guide vanes 146 extend from the outer periphery of the first motor cover 144 to the inner periphery of the first air supply body 142. The plurality of first guide vanes 146 can be spaced apart. The plurality of first guide vanes 146 perform the function of guiding air flowing upwards into the first airflow path 140a of the first airflow guide 140 via the first fan 132.

[0117] The first fan motor 134 can be supported on the upper side of the first motor cover 144. Furthermore, the rotation shaft of the first fan motor 134 can extend downward from the first fan motor 134 and pass through the bottom part of the first motor cover 144 to connect with the first hub 132a.

[0118] The first air supply device 100 also includes a base 115, which is disposed on the lower side of the first housing 110 and positioned on the ground. The base 115 is located at a position spaced downward from the lower end of the first housing 110. A base suction portion 114 is formed in the space between the first housing 110 and the base 115.

[0119] The air purifier 10 includes a partition 190 disposed between the first air supply device 100 and the second air supply device 200. Through the partition 190, the second air supply device 200 can be separated from the first air supply device 100 on an upward side.

[0120] The separating device 190 can separate or block the airflow generated by the first air supply device 100 and the airflow generated by the second air supply device 200. Through the separating device 190, the first air supply device 100 and the second air supply device 200 can be arranged separately in the vertical direction.

[0121] A separation space is formed between the first air supply device 100 and the second air supply device 200 for the installation of the separation device 190.

[0122] The separating device 190 includes a guide wall 192 and a partition wall 196 disposed above the guide wall 192. The guide wall 192 extends upward with an arc, and the partition wall 196 extends downward with an arc. The guide wall 192 extends upward toward the ejection body 150. At least a portion of the guide wall 192 is formed as a curved surface with a predetermined radius of curvature. A PCB device (not shown) may be disposed inside the separating device 190.

[0123] The separating device 190 includes a lower fixing wall 194 that extends below the guide wall 192 and engages with the dispensing body 150. The lower fixing wall 194 engages with the outer peripheral surface of the fixing body 154 of the dispensing body 150, which will be described later. The engagement of the lower fixing wall 194 with the dispensing body 150 secures the configuration of the separating device 190.

[0124] The outer periphery of the lower end fixing wall 194 can contact the first bearing 178, which is disposed on the ejection guide 170 (described later). A fastening portion 195, which is fastened to the fixing body 154 of the ejection body 150 (described later), can be disposed on the inner peripheral surface of the lower end fixing wall 194. The fastening portion 195 protrudes inward from the inner peripheral surface of the lower end fixing wall 194 and is disposed through the fastening hole 161 of the fixing body 154.

[0125] The lower portion 194a of the lower fixing wall 194 can be formed as a surface parallel to the vertical direction to contact the first bearing 178. The upper portion 194b of the lower fixing wall 194 can be formed as an inclined surface that widens outward as it approaches the upper side. The upper portion 194b of the lower fixing wall 194 can restrict the upper movement of the ejection guide 170 by contacting the upper surface of the first bearing 178.

[0126] A protruding rib (not shown) may be formed on the upper part 194b of the lower fixed wall 194. The protruding rib limits the rotation range of the ejection guide 170 by contacting the stop 179 of the ejection guide 170 described later.

[0127] The discharge body 150 of the first air supply device 100 is arranged on the lower side of the partition device 190, and the support plate 198 of the second air supply device 200 is arranged on the upper side of the partition device 190.

[0128] The second air supply device also includes a support plate 198, which supports the second filter 220 of the second air supply device 200. The support plate 198 is generally annular in shape. The support plate is disposed on the upper side of the partition 196.

[0129] The support plate 198 is ring-shaped and extends from its inner circumference to its outer circumference, tilting slightly upward relative to the axial direction.

[0130] The second housing 210 may be cylindrical. The second housing 210 may be configured such that the diameter of its upper part is smaller than the diameter of its lower part. A second air intake 212 is formed in the second housing 210. The second air intake 212 is formed elongated in the vertical direction and a plurality of them are formed at intervals in the circumferential direction.

[0131] A plurality of second intake ports 212 are uniformly formed along the outer peripheral surface of the second housing 210 in a circumferential direction, so that air can be drawn in from any direction with the second housing 210 as a reference.

[0132] Similarly, in the second air supply device 200, the second filter 220 is disposed in the second filter frame 222, and can be described in the same manner as the foregoing description of the first filter 120 and the first filter frame 122.

[0133] The second air supply device 200 includes: a second fan 232 disposed above the second filter 220 to create airflow; a second fan motor 234 to rotate the second fan; and a second fan housing 230, in which the second fan 232 is disposed. The second fan 232, the second fan motor 234, and the second fan housing 230 may have the same configuration and similar shape as the aforementioned first fan 132, first fan motor 134, and first fan housing 130, and perform the same function. Therefore, the second fan 232 may be a diagonal-flow fan, and like the first fan 132, may consist of a hub 232a, a shroud 232b, and a plurality of blades 232c.

[0134] The second air supply device 200 further includes a second air supply guide 240, which is disposed above the second fan 232 and guides the air passing through the second fan 232 upwards. The second air supply guide 240 includes: a cylindrical second air supply body 242 forming the exterior; a bowl-shaped second motor cover 244 disposed at the center of the second air supply body 242, into which the second fan motor 234 is inserted; and a plurality of second guide blades 246, spaced circumferentially on a second air supply flow path 240a formed between the second air supply body 242 and the second motor cover 244. The aforementioned second air supply body 242, second motor cover 244, and plurality of second guide blades 246 may have the same configuration and similar shape as the aforementioned first air supply body 142, first motor cover 144, and plurality of first guide blades 146, and may perform the same function.

[0135] A second discharge cover 250 is disposed on the upper part of the second air supply device 200, and the second discharge cover 250 forms a second discharge outlet 252 that opens upward. The second discharge outlet 252 may be formed in an annular shape. A second discharge grille 258 is disposed on the second discharge cover 250, and the second discharge grille 258 is formed to radiate from the second discharge outlet 252.

[0136] Reference Figure 2 The second discharge cover 250 includes: an outer peripheral surface 254 disposed on the upper side of the second housing 210, forming a cylindrical edge; a guide base 256 disposed on the inner side of the outer peripheral surface 254; and a plurality of second discharge grilles 258 extending radially from the guide base 256 to the outer peripheral surface 254.

[0137] The air purifier 10 includes: a movable guide 260 rotatably disposed on a guide base 256 to support the configuration of the circulator 300; and a mover 270 that moves with the movable guide 260 to change the tilt angle of the circulator 300.

[0138] A movable guide 260 is disposed on the upper side of the guide base 256. The movable guide 260 is rotatably disposed on the guide base 256 and supports the configuration of the circulator 300.

[0139] The guide base 256 is disc-shaped, and a second discharge grille 258 is arranged around its periphery. The movable guide 260 is rotatably disposed on the guide base 256. A space is formed inside the movable guide 260 for arranging the movable gear 262 and the gear motor (not shown).

[0140] The moving device 270 is coupled to the circulator 300 and moves with the moving guide 260. The moving device 270 can change the tilt angle of the circulator 300. The moving device 270 includes a guide plate 272, which is formed to protrude toward the moving guide 260. A gear track 274 that meshes with the moving gear 262 is formed on the guide plate 272.

[0141] The movable device 270 can block a portion of the intake port 310a formed at the lower part of the circulator 300 by engaging with the lower surface of the circulator 300. That is, the movable device 270 can reduce the flow rate of air drawn into the circulator 300 by blocking a portion of the intake port 310a formed at the lower part of the circulator 300.

[0142] The movable guide 260 is rotatably disposed on the guide base 256. The movable guide 260 can be rotatably disposed at the center of the guide base 256. The orientation of the circulator 300 can be changed by rotating the movable guide 260 with respect to the center of the guide base 256.

[0143] A rack 264 is provided on the circumferential surface of one side of the moving guide 260.

[0144] On one side of the second discharge grille 258, a pinion 266 may be configured to mesh with and rotate with a rack 264, and a motor 268 to actuate the pinion 266. The pinion 266 and the motor 268 may be configured in a portion of the area where a plurality of second discharge grilles 258 are configured.

[0145] The second filter 220 may be a cylindrical shape with openings on the top and bottom. The second air supply device 200 also includes a second filter frame 222 that forms the mounting space for the second filter 220.

[0146] The circulator 300 can be disposed on the upper side of the second air supply device 200. The circulator 300 can adjust the airflow direction of the air discharged from the second air supply device 200 to the upper side. The circulator 300 is configured to be parallel or inclined to the plane formed by the second outlet 252 of the second air supply device 200 on the upper side.

[0147] The circulator 300 has an inlet 310a and an outlet 320a, and can blow filtered air discharged from the second air supply device 200 to a distance.

[0148] The circulator 300 is positioned above the second air supply device 200. The arrangement of the circulator 300 above the second air supply device 200 changes, allowing it to blow air that has been expelled upwards through the second air supply device 200 in a radial direction.

[0149] Reference Figure 2 The circulator 300 includes: a lower cover 310 forming an intake port; an upper cover 320 forming an exhaust port; a blower fan 330 disposed between the lower cover 310 and the upper cover 320, which generates airflow by rotation; a motor 340 disposed between the blower fan 330 and the lower cover 310, which causes the blower fan 330 to rotate; and a motor cover 350 disposed on the lower side of the blower fan 330 and on the periphery of the motor 340.

[0150] Reference Figure 2 The circulator 300 may further include: a support 370 disposed between the upper cover 320 and the air supply fan 330 to support the upper cover 320; an outer cover 380 covering the outer side of the upper cover 320; and a display 390 disposed on the upper side of the support 370 to display the operation or status of the air purifier 10.

[0151] Below, refer to Figures 3 to 13c The discharge body 150, discharge guide 170, and related components disposed on the upper side of the first air supply device 100 will be described.

[0152] The discharge body 150 is disposed above the opening of the first housing 110. The discharge body 150 is also disposed inside the first housing 110. The discharge body 150 is disposed above the first air guide 140 and guides the air flowing upwards due to the first air guide 140. The discharge body 150 can also be disposed at the first discharge port 149 of the first housing 110 and guide the air flowing upwards due to the first fan 132.

[0153] Reference Figures 4 to 5 The discharge body 150 forms an annular discharge flow path 150a that supplies air flowing upward from the first fan 132 to the upper side. The discharge body 150 includes an outer body 151 and an inner body 152 forming the discharge flow path 150a.

[0154] Reference Figure 5 The outer body 151 is cylindrical and forms the outer periphery of the discharge flow path 150a. The outer body 151 can be fixed by fastening it to the inner peripheral surface of the first housing 110. The inner body 152 is configured to be radially inwardly spaced from the outer body 151. The inner body 152 is cylindrical and forms the inner periphery of the discharge flow path 150a.

[0155] Reference Figure 5 The dispensing body 150 includes a mounting portion 157 extending radially outward from the upper end of the outer body 151. A portion of the dispensing guide 170 may be disposed on the upper side of the mounting portion 157. An upper end plate 176 of the dispensing guide 170 (described later) may be disposed on the upper side of the mounting portion 157. The outer peripheral end of the mounting portion 157 is formed to protrude upward, thereby preventing the dispensing guide 170 from moving to areas outside the rotation range.

[0156] A bearing groove 158a is formed in the mounting portion 157, and a second bearing 158 that contacts the ejection guide 170 is disposed in the bearing groove 158a. The bearing groove 158a is formed to be recessed downward from the mounting portion 157. The second bearing 158 is disposed in the bearing groove 158a formed in the mounting portion 157. The bearing groove 158a is formed to open radially inward from the upper end of the outer body 151.

[0157] Reference Figure 5 A plurality of second bearings 158 may be arranged at intervals along the circumferential direction. Three of the plurality of second bearings 158 may be arranged at 120-degree intervals in the mounting portion 157.

[0158] The second bearing 158 is configured to contact the outer surface of the outer peripheral wall 171 of the ejection guide 170, which will be described later. The second bearing 158 enables the ejection guide 170, which is rotatable inside the ejection body 150, to rotate stably.

[0159] The radius of the inner body 152 is smaller than the radius of the outer body 151. An annular discharge path 150a is formed between the outer body 151 and the inner body 152. The upper end of the inner body 152 is lower than the upper end of the outer body 151. A discharge guide 170 is disposed on the upper side of the inner body 152.

[0160] Reference Figure 4 The diameter of the inner circumferential surface of the inner body 152 is larger than the diameter of the outer circumferential surface of the inner circumferential wall 172 of the discharge grille 173. The upper end of the inner body 152 can be located at a higher position than the lower end of the inner circumferential wall 172 of the discharge grille 173.

[0161] Reference Figure 5 A plurality of ribs 153 are arranged between the inner body 152 and the outer body 151. The plurality of ribs 153 can connect the inner body 152 and the outer body 151, thereby enabling the inner body 152 and the outer body 151 to support each other.

[0162] The plurality of ribs 153 have a structure extending in the vertical direction, thereby guiding the air flowing upward through the exhaust flow path 150a. Since the plurality of ribs 153 have a structure extending in the vertical direction, they do not obstruct the upward airflow. Each of the plurality of ribs 153 can be configured to extend radially or be inclined relative to the radial direction.

[0163] The dispensing body 150 includes a fixing body 154 fixed to the separating device 190. The fixing body 154 can be fixed to the lower fixing wall 194 of the separating device 190.

[0164] Reference Figure 4 The fixing body 154 is configured to be radially inwardly spaced from the inner body 152. The fixing body 154 has a structure that extends upward and engages with the lower part of the guide wall 192. The fixing body 154 may be a cylindrical shape with a radius smaller than that of the inner body 152. The upper end of the fixing body 154 is higher than the upper end of the inner body 152.

[0165] Reference Figures 4 to 5 The ejector body 150 is equipped with a connecting plate 156, which connects the fixed body 154 and the inner body 152. The connecting plate 156 is formed at a position lower than the upper end of the inner body 152. The lower end plate 174 of the ejector guide 170 (described later) is disposed on the upper side of the connecting plate 156.

[0166] A motor 163 is fixedly mounted on the dispensing body 150. A gear 165 is mounted on the dispensing body 150, and the gear 165 is connected to and rotates with the motor 163. The gear 165 is configured to mesh with the guide rail 175 of the dispensing guide 170, which will be described later.

[0167] Reference Figure 5 The discharge body 150 is provided with a motor mount 160 for mounting the motor 163. The motor mount 160 is disposed inside the fixed body 154. The portion of the fixed body 154 in which the motor mount 160 is disposed has a gear hole 160a, through which a motor shaft 164 extending from the motor 163 and connected to a gear 165 passes.

[0168] Motor 163 and gear 165 are components used to rotate the ejection guide 170. In addition to being mounted on the ejection body 150, they can also be mounted on the ejection guide 170.

[0169] Reference Figure 8 The gear 165 can be a bevel gear corresponding to the guide rail 175, which is formed in a ring shape on the lower surface of the discharge guide 170. The gear 165 is disposed on the lower side of the discharge guide 170 and configured to mesh with the guide rail 175. The gear 165 rotates about a rotation axis perpendicular to the rotation axis of the discharge guide 170, and a conical bevel gear can be used.

[0170] The discharge guide 170 alters the direction of airflow upwards via the discharge flow path 150a. The discharge guide 170 directs the upward-flowing air radially upwards. The discharge guide 170 is rotatably mounted on the discharge body 150. By rotating the discharge guide 170, the direction of the radially upward flow via the discharge guide 170 can be changed.

[0171] Reference Figures 6 to 7 The discharge guide 170 includes a plurality of discharge grilles 173, which alter the direction of upward-flowing air. The plurality of discharge grilles 173 may be spaced apart from each other in a direction perpendicular to the vertical direction. The spacing 173d between the plurality of discharge grilles 173 may be identical.

[0172] Reference Figure 13a Each of the plurality of ejector grilles 173 can be bent toward one side separated by the plurality of ejector grilles 173.

[0173] Each of the plurality of discharge grilles 173 is arranged in a curved shape in the same direction. The plurality of discharge grilles 173 can cause the air flowing upward through the discharge flow path 150a to be discharged in one direction.

[0174] Reference Figure 13aEach of the plurality of discharge grilles 173 is configured such that the leading edge 173a formed at the lower end faces downward, and the trailing edge 173b formed at the upper end faces radially upward.

[0175] The height 173h formed by each of the plurality of discharge grids 173 in the vertical direction is greater than the interval 173d between each of the plurality of discharge grids 173. The interval 173d between each of the plurality of discharge grids 173 can be 0.6 to 1 times the height 173h formed by each of the plurality of discharge grids 173 in the vertical direction.

[0176] Reference Figure 13a Each of the plurality of discharge grilles 173 can be arranged at the same interval. The discharge angle θ formed by the trailing edges of each of the plurality of discharge grilles 173 can be an acute angle. The discharge angle θ formed by the trailing edges of the discharge grilles 173 can refer to the angle formed between a virtual straight line parallel to the direction in which the plurality of discharge grilles 173 are arranged and a virtual straight line extending from the end of the trailing edge 173b.

[0177] The discharge angle θ formed by the trailing edges of each of the plurality of discharge grids 173 can be from 15 degrees to 30 degrees. The discharge angle θ formed by the trailing edges of each of the plurality of discharge grids 173 can be 25 to 30 times the ratio (173d / 173h) of the distance 173 between each of the plurality of discharge grids 173 to the height 173h formed by each of the plurality of discharge grids 173 in the vertical direction.

[0178] The thickness of each of the plurality of ejection grilles 173 gradually increases as it approaches the trailing edge 173b from the leading edge 173a. That is, the spacing 173d between the plurality of ejection grilles 173 gradually decreases as it approaches the upper side from the lower side.

[0179] Reference Figure 13a In one embodiment of the present invention, a plurality of discharge grilles 173 are shaped to bend radially outward as they approach the upper side.

[0180] The shape of the plurality of exhaust grilles 173 can also be modified to guide the upward-exhausted air radially outward from the air supply device. Therefore, as... Figure 13b As shown, a plurality of discharge grilles 173 can be configured such that their lower portions have straight sections extending in the vertical direction, while their upper portions are curved radially outward. Additionally, as... Figure 13c As shown, a plurality of discharge grilles 173 can be formed as straight surfaces, which are radially inclined relative to the vertical direction.

[0181] The ejection guide 170 includes: an outer peripheral wall 171 forming an outer periphery; an inner peripheral wall 172 configured to be radially inwardly spaced from the outer peripheral wall 171; and a plurality of ejection grilles 173 disposed between the outer peripheral wall 171 and the inner peripheral wall 172, which are curved to change the direction of the rising air.

[0182] Reference Figure 4 The diameter 171D formed by the outer peripheral surface of the outer peripheral wall 171 is smaller than the diameter 151D formed by the inner peripheral surface of the outer body 151 of the ejection body 150.

[0183] Reference Figure 7 The ejection guide 170 includes: a lower end plate 174 extending radially inward from the lower end of the inner peripheral wall 172; and an upper end plate 176 extending radially outward from the upper end of the outer peripheral wall 171.

[0184] The lower end plate 174 is disposed on the upper side of the connecting plate 156 of the discharge body 150. The lower surface of the lower end plate 174 meshes with the gear 165 connected to the motor 163. The lower surface of the lower end plate 174 is provided with a guide rail 175 formed to mesh with the gear 165.

[0185] Reference Figure 7 The guide rail 175 can be formed on the lower surface of the annular lower end plate 174. The guide rail 175 is configured to mesh with the gear 165, and if the gear 165 rotates by the action of the motor 163, the ejector guide 170 can rotate.

[0186] The lower end plate 174 can be positioned further down than the lower end of the discharge grille 173. The lower end plate 174 can be configured such that a portion of the forming guide rail 175 is inserted into the space between the inner body 152 and the fixed body 154.

[0187] Reference Figure 9 A first bearing 178 is disposed on the upper side of the lower end plate 174, which rotates in contact with the separating device 190 or the ejection body 150. (Refer to...) Figure 4 The first bearing 178 is configured to contact the outer peripheral surface of the lower end fixed wall 194 of the partition device 190. A plurality of first bearings 178 spaced apart in a circumferential direction may be disposed on the upper side of the lower end plate 174. (Refer to...) Figure 9 The first bearing 178 can be arranged in three at equal intervals along the circumferential direction on the lower end plate 174.

[0188] The upper side of the lower end plate 174 includes a plurality of vertical ribs 180 to enhance the rigidity of the ejection guide 170. The plurality of vertical ribs 180 can enhance the rigidity of the ejection guide 170 by connecting with the lower end plate 174 and the inner peripheral wall 172.

[0189] A plurality of vertical ribs 180 are arranged circumferentially on the upper side of the lower end plate 174. The plurality of vertical ribs 180 are formed in a generally right-angled triangular shape and connect the lower end plate 174 and the inner peripheral wall 172. The vertical ribs 180 are arranged so as not to contact the upper part of the lower end fixed wall 194.

[0190] A stop 179 is disposed on the upper side of the lower end plate 174. The stop 179 protrudes from the upper side of the lower end plate 174 and contacts a portion of the separating device 190, thereby limiting the rotation range of the ejection guide 170. The stop 179 can limit the rotation range of the ejection guide 170. The stop 179 can limit the rotation range of the ejection guide 170 by contacting a protruding rib (not shown) of the lower end fixing wall 194 of the separating device 190.

[0191] Reference Figure 8 The upper end plate 176 extends radially outward from the upper end of the outer peripheral wall 171. The upper side of the upper end plate 176 can be configured to continue the shape extending from the discharge grille 173.

[0192] Reference Figures 10 to 12 The configuration of the motor 163 and the guide rail 175 according to another embodiment of the present invention will be described.

[0193] Reference Figure 10 The guide rail 175 can be formed on the inner peripheral wall 172 of the discharge guide 170. The guide rail 175 can be formed along the inner side surface of the inner peripheral wall 172 of the discharge guide 170. In this case, the motor shaft (not shown) extending from the motor (not shown) can be perpendicular to the discharge body 150. The gear (not shown) connected to the motor disposed in the discharge body 150 can be a spur gear.

[0194] Reference Figure 11 and Figure 12 Alternatively, the motor 163 can be fixed to the ejection guide 170, and the guide rail 167 can be configured to be mounted on the ejection body 150.

[0195] Reference Figure 11 The ejector body 150 includes an inner plate 166 extending inward from the inner peripheral end of the connecting plate 156. A guide rail 167 is disposed on the top surface of the inner plate 166. (See reference...) Figure 11 The inner panel 166 can be a semi-circular shape formed within a 180-degree range.

[0196] Reference Figure 11 The motor 163 can be fixedly mounted on the discharge guide 170. The motor 163 is fixedly mounted on the upper side of the lower end plate 174 of the discharge guide 170. The gear 165 connected to the motor 163 can be a bevel gear. The motor shaft 164 extending from the motor 163 can be configured to face the center of the discharge guide 170.

[0197] Reference Figure 12 The guide rail 167 can be formed on the inner circumferential surface of the inner body 152 of the ejector body 150.

[0198] Motor 163 is fixedly mounted on discharge guide 170, and motor shaft 164 extending from motor 163 extends vertically towards the underside of discharge guide 170. Gear 165, fixed to motor shaft 164, is positioned towards the underside of discharge guide 170. (Refer to...) Figure 12 The motor 163 is fixedly mounted on the upper side of the lower end plate 174. A motor shaft 164 extending from the motor 163 extends downwards and passes through one side of the lower end plate 174. A gear 165 is connected to the motor shaft 164 on the lower side of the lower end plate 174. Referring now... Figure 14 and Figure 15 The airflow of an air purifier with a rotatably configured discharge guide as described in this invention is compared with the airflow of an air purifier without a rotatably configured discharge guide, which is a comparative example of this invention, and the comparison is explained.

[0199] Reference Figure 14 In the absence of the exhaust grille of the present invention, the air exhausted from the first air supply device flows in all directions. In this case, a larger amount of air flows towards areas where air purification is not required, and therefore a relatively smaller amount of air flows towards areas where air purification is required. Furthermore, it can be confirmed that because the flow of air in the desired direction is relatively small, the air exhausted from the first air supply device 100 cannot form an airflow over long distances.

[0200] Reference Figure 15 In the case of an air purifier equipped with the exhaust grille of the present invention, the air exhausted from the first air supply device flows in one direction. In this case, the air exhausted from the first air supply device 100 and the air exhausted from the second air supply device 200 can flow in the same direction. Thus, it has the advantage of being able to blow a large amount of purified air to the area where the user needs purified air.

[0201] That is, such as Figure 15 As shown in (c), the air expelled from the first air supply device 100 can also travel a greater distance in one direction.

[0202] The preferred embodiments of the present invention have been illustrated and described above. However, the present invention is not limited to the specific embodiments described above. Without departing from the spirit of the present invention as claimed in the claims, those skilled in the art will obviously be able to make various modifications. Such modifications should not be understood separately from the technical concept or prospect of the present invention.

Claims

1. An air purifier, wherein, include: The shell extends vertically and forms the exterior. An air supply fan is disposed inside the housing; The discharge body is disposed on the upper side of the housing, including a discharge flow path for air to flow from the blower fan and a discharge port disposed on the upper side of the housing; The discharge guide, disposed on the upper side of the housing where the discharge outlet is located and supported by the discharge body, has a plurality of grilles arranged side by side at the discharge outlet to convert the flow direction of the air discharged from the discharge outlet into one direction. A motor causes the ejection guide to rotate about a rotation axis formed in the vertical direction. as well as A separating device is attached to the upper side of the dispensing body and overlaps with the dispensing outlet in the vertical direction; The ejection body includes: The inner and outer bodies extend vertically and form the discharge path between each other by being radially spaced apart; and A fixed body is arranged radially inside the inner body and is combined with the separating device; the motor is arranged inside the fixed body. The separating device includes: A guide wall is disposed above the discharge port and overlaps with the discharge port in the vertical direction; and The lower end fixing wall extends downward from the guide wall and joins the fixing body radially outward; The ejection guide includes a guide rail that meshes with a gear connected to the motor and extends along the rotation direction of the ejection guide. The guide rail overlaps with at least a portion of the lower end fixed wall in the vertical direction.

2. The air purifier according to claim 1, wherein, The plurality of the grids are tilted in the same direction relative to the rotation axis.

3. The air purifier according to claim 1, wherein, The height formed by each of the plurality of said grids in the vertical direction is greater than the interval between each of the plurality of said grids.

4. The air purifier according to claim 1, wherein, The spacing between each of the plurality of said grids is 0.6 to 1 times the height formed by each of the plurality of said grids in the vertical direction.

5. The air purifier according to claim 1, wherein, Each of the plurality of said grilles is configured such that the front edge formed at the lower end faces downward and the rear edge formed at the upper end faces radially upward.

6. The air purifier according to claim 5, wherein, The angle formed by the trailing edge of each of the plurality of said grids relative to the horizontal direction is an acute angle.

7. The air purifier according to claim 5, wherein, The thickness of each of the plurality of said grids gradually increases from the leading edge to the trailing edge.

8. The air purifier according to claim 1, wherein, The spacing between each of the plurality of said grids gradually decreases from the bottom to the top.

9. The air purifier according to claim 1, wherein, The ejection guide includes: The outer perimeter forms the outer perimeter; and An inner peripheral wall, forming an inner periphery, is arranged radially inwardly spaced from the outer peripheral wall to form an annular discharge port between itself and the outer peripheral wall; A plurality of the aforementioned grids are disposed between the outer peripheral wall and the inner peripheral wall.

10. The air purifier according to claim 9, wherein, The ejection guide includes: The lower end plate extends radially inward from the lower end of the inner peripheral wall. The guide rail is formed on the lower surface of the lower end plate.

11. The air purifier according to claim 1, wherein, The grille includes: The straight section extends vertically; and The curved portion extends from the upper side of the straight portion and has a shape that curves outward in a radial direction.

12. The air purifier according to claim 1, wherein, The grille is formed as a straight surface, which is radially inclined relative to the vertical direction.

13. The air purifier according to claim 2, wherein, The guide wall has a circular cross-section; A portion of each of the plurality of the grilles is inclined toward the guide wall.

14. The air purifier according to claim 1, wherein, A gear hole is formed in the fixed body, and a motor shaft extending from the motor and connected to the gear passes through the gear hole.

15. The air purifier according to claim 9, wherein, The upper end of the inner body is located below the plurality of the grilles, and the inner peripheral wall is configured to be separated from the inner body radially inward.

16. The air purifier according to claim 13, wherein, The ejector body includes a connecting plate that connects the fixing body and the inner body. The connecting plate is formed at a position lower than the upper end of the inner body to form an insertion space between the inner body and the fixing body for inserting a portion of the ejector guide.

17. The air purifier according to claim 16, wherein, The lower end fixing wall includes: The lower part is combined with the fixed body; and The upper part, connected to the upper side of the lower part of the lower fixed wall, extends upward toward the upper side of the part of the ejection guide inserted into the insertion space to restrict the upper movement of the ejection guide.

18. The air purifier according to claim 16, wherein, The ejection guide includes: The outer perimeter forms the outer perimeter; and An inner peripheral wall, forming an inner periphery, is arranged radially inwardly spaced from the outer peripheral wall; A plurality of the aforementioned grilles are disposed between the outer peripheral wall and the inner peripheral wall. The ejection guide also includes: A lower end plate extends radially inward from the lower end of the inner peripheral wall and is inserted into the insertion space, with the guide rail disposed on the lower surface of the lower end plate.

19. The air purifier according to claim 18, wherein, It also includes a first bearing, which is disposed on the upper surface of the lower end plate and contacts the fixing body or the lower end fixing wall.

20. The air purifier according to claim 18, wherein, It also includes a stop that protrudes upward from the lower end plate and restricts the rotation range of the ejection guide. The lower fixed wall has a protruding rib that contacts the stop member in the rotation direction of the ejection guide.

21. An air purifier, wherein, include: The first air supply device discharges air through the first outlet formed on the upper side; The second air supply device is disposed above the first air supply device and discharges air through a second outlet formed on the upper side of the second air supply device. as well as A separating device is disposed between the first air supply device and the second air supply device and extends in the vertical direction, so that the first air supply device and the second air supply device are separated in the vertical direction, and the separating device overlaps with the first discharge port in the vertical direction. The first air supply device includes: The shell extends vertically and forms the exterior. An air supply fan is disposed inside the housing; The discharge body is disposed on the upper side of the housing and combined with the partition device, including a discharge flow path for airflow from the blower fan and an annular first discharge port disposed on the upper side of the housing; An ejection guide, disposed on the upper side of the housing where the first ejection outlet is located and supported by the ejection body, has a plurality of grilles arranged side-by-side at the first ejection outlet to convert the flow direction of the air ejected from the first ejection outlet into one direction; and A motor causes the ejection guide to rotate about a rotation axis formed in the vertical direction. The ejection body includes: The inner and outer bodies extend vertically and form the discharge path between each other by being radially spaced apart; and A fixed body is arranged radially inside the inner body and is combined with the separating device; the motor is arranged inside the fixed body. The separating device includes: A guide wall is disposed above the first discharge outlet, overlapping the first discharge outlet in the vertical direction; and The lower end fixing wall extends downward from the guide wall and joins the fixing body radially outward; The ejection guide includes a guide rail that meshes with a gear connected to the motor and extends along the rotation direction of the ejection guide. The guide rail overlaps with at least a portion of the lower end fixed wall in the vertical direction.

22. The air purifier according to claim 21, wherein, The plurality of said grilles are tilted in the same direction relative to the rotation axis, and a portion of the plurality of said grilles are tilted toward the guide wall.

23. The air purifier according to claim 21, wherein, It also includes a circulator, which is disposed above the second outlet of the second air supply device to change the flow direction of the air discharged upward through the second outlet.

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