Air purifier

Abstract

The present disclosure relates to an air purifier. The air purifier of the present invention comprises: a main body having an inlet defined along the circumferential surface thereof and an outlet defined through the upper surface thereof; and a seat device that can be fixed to the main body or detached upward therefrom. The seat device comprises: a lower body that is coupled to the main body and guides air discharged through the outlet radially outward; and a seating plate disposed over the lower body. The seat device comprises: an outer cover extending upward from the lower body and disposed around the periphery of the seating plate; and an inner cover disposed on the inner side of the outer cover. The inner cover is detachably coupled to the outer cover.

Description

air purifier

[0001] The present disclosure relates to an air purifier, and more particularly, to an air purifier having a sheet device disposed on the upper side for discharging purified air.

[0002] An air purifier is a device that creates air flow and filters the flowing air to increase the cleanliness of the air within a certain space.

[0003] The air purifier may have a configuration in which an inlet is formed on one side, an outlet is formed on the other side, and a filter is placed inside.

[0004] The air purifier can have an outlet formed at the top so that the filtered air is not delivered directly to the user.

[0005] Korean registered patent KR 10-2600644 B1 discloses an air purifier having an outlet formed at the top.

[0006] However, in households where pets such as cats live in the area where the air purifier is installed, the pets may rest in the upper area of ​​the air purifier where the outlet is formed, which may cause problems by obstructing the flow of air discharged from the air purifier.

[0007] That is, if a pet is located on the upper side where the outlet is formed, there is a problem that the upper part of the air purifier may become contaminated.

[0008] The present disclosure aims to solve the above-mentioned and other problems.

[0009] That is, the goal is to provide an air purifier that creates a space where pets can rest without interfering with the function of the air purifier.

[0010] Another purpose is to provide an air purifier that can easily handle waste generated in the space where pets rest.

[0011] Another purpose is to provide an air purifier that provides comfort to pets in the space where they rest.

[0012] In order to achieve the above task, an air purifier according to an embodiment of the present disclosure includes a main body having an inlet formed on a peripheral surface and an outlet formed on an upper surface, and a sheet device fixedly disposed on the main body or separated upward from the main body.

[0013] The above-mentioned seat device includes a lower body that is coupled to the main body and guides air discharged through the outlet radially outward, and a mounting plate that is arranged on the lower body. The seat device includes an outer cover that extends upward from the lower body and is arranged around the mounting plate, and an inner cover that is arranged on the inside of the outer cover.

[0014] The above inner cover is detachably connected to the above outer cover.

[0015] The inner circumference of the inner cover may be formed of a different material from the outer cover.

[0016] A gap is formed between the inner cover and the outer cover.

[0017] The inner cover includes an extension wall facing the inner circumferential surface of the outer cover and extending upward, and a lower rim protruding radially outward from the lower end of the extension wall. The lower rim is positioned above the inner circumferential surface of the outer cover.

[0018] The inner circumferential surface of the outer cover includes a mounting portion that protrudes in the direction in which the mounting plate is positioned. The lower rim is positioned on the mounting portion.

[0019] The inner cover includes an upper rim that protrudes radially outward from the upper end of the extension wall. The upper rim is connected to the outer cover.

[0020] A protrusion protruding outward is arranged at the end of the upper rim. A slot into which the protrusion of the upper rim is inserted is formed in the outer cover.

[0021] The above sheet device includes a retainer that is coupled to the outer cover and fixes the upper end of the inner cover.

[0022] The inner cover is arranged so that its lower part is secured to the inner circumference of the outer cover and its upper part is fixed to the retainer.

[0023] The above retainer is hook-connected to the above outer cover.

[0024] The inner cover includes an extension wall facing the inner circumferential surface of the outer cover and extending upward, and an upper rim protruding radially outward from the upper end of the extension wall. The upper rim is coupled to the retainer.

[0025] A protrusion protruding outward is arranged at the end of the upper rim. A slot into which the protrusion of the upper rim is inserted is formed on the inner circumferential surface of the retainer.

[0026] The above retainer has an upper tip that protrudes radially inward from the upper end. The upper tip is positioned above the upper rim.

[0027] It further includes a sheet disposed on the above-mentioned mounting plate and separated or combined from the above-mentioned mounting plate.

[0028] The above sheet protrudes downward from the lower surface and includes a sensing protrusion inserted into a central hole formed in the above mounting plate.

[0029] The above sheet device includes a confirmation sensor that comes into contact with the detection protrusion when the sheet is mounted on the mounting plate.

[0030] The inner circumference of the inner cover and the upper surface of the sheet are made of fabric material.

[0031] Specific details of other embodiments are included in the detailed description and drawings.

[0032]

[0033] According to the air purifier of the present disclosure, one or more of the following effects are achieved.

[0034] First, a resting space for pets can be provided on the upper side of the air purifier body. In other words, the air purifier of the present invention has the advantage of maintaining the air purifier's function while providing a space for pets to rest.

[0035] Second, the internal structure of the seat device placed on the upper side of the main body can be easily separated, which has the advantage of making it easy to deal with contamination caused by pets.

[0036] Third, the inner cover, which can be detached from the seat device, or the seat itself, can be fixed in place when installed inside, providing a secure resting space for your pet. Furthermore, the surface that your pet comes into contact with is made of fabric, providing comfort for your pet.

[0037] The effects of the present disclosure are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

[0038] Figure 1 is a perspective view of an air purifier according to one embodiment of the present invention.

[0039] Figure 2 is an exploded side view of a sheet device and a main body according to one embodiment of the present invention.

[0040] Figure 3 is a cross-sectional view of one side of a main body according to one embodiment of the present invention.

[0041] Figure 4 is a plan view of a main body according to one embodiment of the present invention.

[0042] Figure 5 is a one-sided perspective view of a sheet device according to one embodiment of the present invention.

[0043] Figure 6 is a bottom view of a sheet device according to one embodiment of the present invention.

[0044] Figure 7 is an exploded perspective view of a sheet device according to one embodiment of the present invention.

[0045] Figure 8 is a cross-sectional view of one side of a sheet device according to one embodiment of the present invention.

[0046] Figure 9 is an exploded perspective view of a part of the configuration of a seat cover according to a second embodiment of the present invention.

[0047] Fig. 10 is a drawing for explaining a state in which an inner cover according to a second embodiment of the present invention is separated from an outer cover.

[0048] Fig. 11 is a cross-sectional view for explaining the joint relationship between the outer cover and the retainer according to the second embodiment of the present invention.

[0049] Figure 12 is an enlarged view of the joining area of ​​the outer cover and retainer according to the second embodiment of the present invention.

[0050] Fig. 13 is a cross-sectional view for explaining the joint relationship of an outer cover, an inner cover, and a retainer according to a second embodiment of the present invention.

[0051] FIG. 14 is an enlarged view of the joining area of ​​the outer cover, inner cover, and retainer according to the second embodiment of the present invention.

[0052] The advantages and features of the present disclosure, and methods for achieving them, will become clearer with reference to the embodiments described below in detail with the accompanying drawings. However, the present disclosure is not limited to the embodiments described below and may be implemented in various different forms. These embodiments are provided solely to ensure that the disclosure is complete and to fully inform those skilled in the art of the disclosure of the scope of the disclosure. The present disclosure is defined solely by the scope of the claims. Like reference numerals designate like elements throughout the specification.

[0053] Hereinafter, the present disclosure will be described with reference to drawings for explaining an air purifier according to embodiments of the present disclosure.

[0054] Fig. 1 is a perspective view of an air purifier according to one embodiment of the present invention. Referring to Fig. 1, the overall configuration of the air purifier according to the first embodiment will be described.

[0055] The air purifier includes a main body (100) that sucks in air through an inlet (106) formed on a peripheral surface and discharges air through an outlet (112) formed on an upper surface.

[0056] The air purifier may include a sheet device (200) that is placed on the upper side of the main body (100) and forms a space (267).

[0057] The main body (100) includes a case (102) that forms an outer shape. Inside the case (102), a filter (101) that filters the inhaled air and a fan (140, see FIG. 3) that forms air flow can be placed.

[0058] The case (102) has a roughly cylindrical structure. The case (102) has an inlet (106) formed on the circumferential surface of the cylindrical structure. The case (102) has an outlet (112) formed on the upper surface of the cylindrical structure.

[0059] The case (102) has a structure in which the diameter decreases as it goes upward.

[0060] The seat device (200) is placed on the upper side of the main body (100). The seat device (200) may have a structure that is open to the upper side and the front side and forms a space (267) on the inside.

[0061] The area of ​​the lower surface of the sheet device (200) can be formed to be larger than the area formed by the outlet (112) of the main body (100). Therefore, air rising through the outlet (112) can flow outside the space (267).

[0062] The seat device (200) may include a seat cover (266) that forms an outer shape and forms a space (267) on the inside. A seat portion (252) on which a pet can sit may be placed in the space (267) formed on the inside of the seat device (200).

[0063] Fig. 2 is an exploded side view of a seat device and a main body according to one embodiment of the present invention. Referring to Fig. 2, the configuration of a seat device detachably positioned on the main body will be described.

[0064] The seat device (200) is positioned on the upper side of the main body (100). The seat device (200) is positioned to be fixed to the main body (100). A part of the seat device (200) can be inserted into a joining groove (168, see FIGS. 3 and 4) of the main body (100) to be described below.

[0065] The seat device (200) can be mounted on the main body (100). The seat device (200) can be electrically connected to the main body (100).

[0066] The seat device (200) forms a space (267) on the inside and includes a seat cover (266) that forms the outer shape.

[0067] The seat cover (266) may be formed with a curved exterior. The seat cover (266) may be formed with different heights at the top. The seat cover (266) may form different inclination angles at the boundary adjacent to the lower wall (230) described below.

[0068] The inclination angle (θ1) of the lower part of the outer circumference of the seat cover (266) can be formed to be greater than the inclination angle (θ2) of the upper part of the lower wall (230).

[0069] The outer surface of the seat cover (266) may be arranged to be inclined upwards relative to the outer surface of the lower wall (230). The outer surface of the seat cover (266) may form a convex curved surface toward the outside of the seat cover (266).

[0070] The thickness of the seat cover (266) can be formed to be thicker than the thickness of the seat portion (252).

[0071] The sheet device (200) includes an insertion column (212) that is inserted into a joining groove (168) of the main body (100).

[0072] The insertion column (212) includes a peripheral wall (214) inserted into the inside of the coupling cover (166) and a bottom wall (220) arranged at the lower end of the peripheral wall (214).

[0073] A fastening rib groove (218) and a guide groove (216), which will be described below, may be formed on the peripheral wall (214). A portion of a hook (236) may be positioned so as to be exposed on the peripheral wall (214).

[0074] The seat device (200) includes a lower wall (230) positioned between the seat cover (266) and the insertion column (212). The lower wall (230) can connect the insertion column (212) and the seat cover (266).

[0075] The lower wall (230) extends from the top of the insertion column (212) toward the lower side of the circumference of the seat cover (266).

[0076] The lower wall (230) is positioned above the outlet (112) of the main body (100). Therefore, air flowing upward through the outlet (112) can flow radially outward along the lower wall (230).

[0077] Below, the external appearance of the main body (100) is described with reference to FIG. 2.

[0078] The case (102) includes an inlet cover (104) forming an inlet (106).

[0079] The inlet cover (104) may be arranged to cover the outer perimeter of the filter (101). The inlet cover (104) may be arranged to cover the outer perimeter of the fan housing (154) to be described below. The inlet (106) formed in the inlet cover (104) may be formed on the perimeter surface of the area where the filter is arranged.

[0080] The inlet cover (104) may include a plurality of inlet grills (108) extending vertically and spaced apart in the circumferential direction.

[0081] The case (102) includes an outlet cover (110) forming an outlet (112).

[0082] The outlet cover (110) may have a structure extending from the upper end of the upper coupling cover (174, see FIG. 3) to be described below to the main cover (116). The upper end of the upper coupling cover (174) may be formed higher than the upper end of the main cover (116).

[0083] The outlet cover (110) may include a plurality of outlet grills (114) spaced apart from each other in the circumferential direction at the upper end of the upper coupling cover (174).

[0084] Each of the plurality of outlet grills (114) may have a shape in which the inclination angle at the inner end is different from the inclination angle at the outer end.

[0085] Here, the inner end of the outlet grill (114) may be the part where the outlet grill (114) is adjacent to the upper coupling cover (174). The outer end of the outlet grill (114) may be the part where the outlet grill (114) is adjacent to the main cover (116).

[0086] Here, the slope angle may mean the angle formed between a line or plane parallel to the ground and a plane formed by the outlet grill (114).

[0087] The case (102) includes a main cover (116) positioned between the inlet cover (104) and the outlet cover (110). The main cover (116) may have a structure extending upward from the inlet cover (104).

[0088] The case (102) includes a base (118) placed at the bottom of the main body (100). The diameter of the base (118) is formed to be larger than the diameter of the inlet cover (104).

[0089] Fig. 3 is a cross-sectional view of one side of a main body according to one embodiment of the present invention. Referring to Fig. 3, the internal configuration of the main body of the air purifier according to the first embodiment will be described.

[0090] The air purifier includes a base (118) that is placed on the lower side of the main body (100) and is placed so as to be in contact with the ground.

[0091] A load member (120) that increases the load on the lower part of the main body (100) may be placed on the base (118) to prevent the air purifier from tipping over. The load member (120) may be placed so that multiple weight plates overlap.

[0092] The main body (100) may include a lower housing (122) that is placed on the upper side of the base (118) and forms a space in which a printed circuit board (123) that controls the electronic operation of the air purifier is placed.

[0093] The lower housing (122) is placed on the upper side of the base (118). A space in which a printed circuit board or the like is placed can be formed between the lower housing (122) and the base (118).

[0094] A filter mounting plate (124) is arranged on the upper surface of the lower housing (122). The filter mounting plate (124) is arranged in the central portion of the lower housing (122). The filter mounting plate (124) is arranged to be able to move up and down on the lower housing (122).

[0095] An elastic member (not shown) that maintains the arrangement of the filter mounting plate (124) may be placed between the filter mounting plate (124) and the lower housing (122).

[0096] When a filter (101) is not placed on the upper side of the filter mounting plate (124), the filter mounting plate (124) can be protruded upward by an elastic member. When a filter is placed on the upper side, the filter mounting plate (124) moves downward.

[0097] The filter mounting plate (124) can detect whether a filter is mounted by changing the arrangement in the vertical direction.

[0098] The air purifier may include a filter (101) that filters air flowing into the inlet (106). The filter has a cylindrical shape. The filter may be placed inside the inlet cover (104). The filter may filter air flowing upward through the inlet (106).

[0099] The main body (100) includes a filter supporter (126) connecting the inner suction panel (128) described below and the lower housing (122).

[0100] A plurality of filter supporters (126) can be arranged spaced apart from each other in the circumferential direction. A filter can be inserted and removed into the space formed between the plurality of filter supporters (126).

[0101] The inner suction panel (128) is positioned so as to be spaced upward from the filter mounting plate (124) or the lower housing (122). Accordingly, a space in which a filter is positioned is formed between the inner suction panel (128) and the filter mounting plate (124).

[0102] A filter may be placed between the inner suction panel (128) and the lower housing (122). The filter has a cylindrical structure. The filter can filter out foreign substances in the air penetrating the circumferential surface. The filter may be placed between the inner suction panel (128) and the lower housing (122).

[0103] When the filter is placed between the inner suction panel (128) and the lower housing (122), the filter can press the filter mounting plate (124) downward. When the filter is placed between the inner suction panel (128) and the lower housing (122), the filter mounting plate (124) presses the filter upward by the elastic member.

[0104] Accordingly, the filter can be fixedly placed between the inner suction panel (128) and the lower housing (122).

[0105] An orifice (130) through which air flows by means of a fan (140) is formed in the central portion of the inner suction panel (128). The orifice (130) can guide air flowing through the filter in the direction in which the fan (140) is positioned.

[0106] A net steel (132) may be placed in the orifice (130). The net steel (132) may prevent the user's body from entering the space where the fan (140) is placed.

[0107] An inlet cover (104) is arranged on the outer periphery of the filter. The inlet cover (104) includes a plurality of inlet grilles (108) extending vertically and spaced apart from each other in the circumferential direction. A plurality of inlets (106) can be formed between the plurality of inlet grilles (108).

[0108] The inlet cover (104) may be arranged to cover the filter or the lower housing (122). The inlet cover (104) may be arranged to cover the fan housing (154) to be described below.

[0109] The inlet (106) formed in the inlet cover (104) can be formed on the periphery of the area where the filter is placed.

[0110] The main body includes a fan (140) rotatably positioned inside the case (102) and a fan motor (148) that rotates the fan (140).

[0111] The main body (100) includes a fan housing (154) that forms a space in which a fan (140) is placed on the upper side of the filter.

[0112] The fan (140) may have a diagonal fan structure that forms a fan intake port (140a) in a downward direction and a fan outlet port (140b) that is opened to face radially outward and upward.

[0113] The fan (140) may include a hub (142) connected to a fan motor (148), a shroud (144) spaced apart from the hub (142) and forming a fan intake (140a), and a plurality of blades (146) connecting the hub (142) and the shroud (144) and spaced apart in the circumferential direction.

[0114] A fan outlet (140b) can be formed between the hub (142) and the shroud (144). A plurality of blades (146) can form a flow of air discharged to the fan outlet (140b).

[0115] The fan housing (154) is positioned above the inner suction panel (128). The fan housing (154) forms a space in which the fan (140) is positioned. The fan housing (154) forms a space in which the fan motor (148) is positioned above the fan (140).

[0116] The fan housing (154) forms a path that guides air flowing by the fan (140) upward.

[0117] The fan housing (154) may have a cylindrical shape that is open from top to bottom. A motor cover (150) in which a fan motor (148) is disposed may be disposed in the center of the fan housing (154). The motor cover (150) may have a bowl shape that is recessed downward so that the fan motor (148) is disposed therein.

[0118] The fan housing (154) is placed on the upper side of the space where the fan (140) is placed, and includes a guide vane (152) that reduces the rotational component of the air flowing by the fan (140).

[0119] The guide vane (152) is arranged to connect the inner circumferential surface of the fan housing (154) and the outer circumferential surface of the motor cover (150). A plurality of guide vanes (152) may be arranged spaced apart from each other in the circumferential direction.

[0120] The main body (100) includes an inner guide (160, 162) that guides air flowing upward toward the upper side of the fan housing (154). The inner guide (160, 162) is arranged on the upper side of the fan housing (154) and forms an annular airflow path (164) therein.

[0121] The inner guide (160, 162) includes a first inner guide (160) having a cylindrical shape and extending upward, and a second inner guide (162) spaced radially inward from the first inner guide (160) and extending upward.

[0122] An annular airflow path (164) is formed in the space between the first inner guide (160) and the second inner guide (162). The first inner guide (160) may extend from the outer peripheral surface of the fan housing (154). The second inner guide (162) may have a structure extending upward from the motor cover (150).

[0123] On the upper part of the second inner guide (162), a joint cover (166) into which the insertion column (212) of the sheet device (200) is inserted is placed.

[0124] The coupling cover (166) forms a space formed downward so that the insertion pillar (212) can be inserted. On the lower surface of the coupling cover (166), connection terminals (170, 172) are arranged to which the corresponding terminals (222a, 222b) of the insertion pillar (212) overlap.

[0125] The main body (100) includes a main cover (116) placed on the upper side of the inlet cover (104).

[0126] The main cover (116) is arranged to cover the perimeter of the inner guide (160, 162). The main cover (116) is arranged to extend to the upper side of the inlet grill (108).

[0127] The main body (100) includes an upper coupling cover (174) extending upward from the coupling cover (166). The coupling cover (166) and the upper coupling cover (174) may be formed as an integral structure. In addition, the coupling cover (166) may be configured to include the upper coupling cover (174).

[0128] The upper coupling cover (174) can guide the insertion pillar (212) to be inserted into the coupling cover (166). The upper coupling cover (174) can have a structure extending upward from the coupling cover (166). The upper coupling cover (174) has a roughly cylindrical shape, and the insertion pillar (212) can be placed inside.

[0129] On the inner circumferential surface of the upper coupling cover (174), fastening ribs (176a, 176b) that are coupled with the coupling cover (166) are arranged. On the inner circumferential surface of the upper coupling cover (174), a fastening hole (178) into which a hook (236) arranged on the sheet device (200) is inserted is formed.

[0130] The main cover (116), upper combination cover (174), and outlet cover (110) can also be formed as a single structure.

[0131] The outlet cover (110) may have a structure extending from the upper end of the upper coupling cover (174) to the main cover (116). The outlet cover (110) may include a plurality of outlet grills (114) spaced apart from each other in the circumferential direction at the upper end of the upper coupling cover (174).

[0132] A coupling groove (168) may be formed downward from the inside of an outlet (112) formed in a ring shape in the main body (100). The coupling groove (168) may be formed on the inside of the upper coupling cover (174). The coupling groove (168) may be formed on the inside of the coupling cover (166).

[0133] A joining groove (168) may be formed on the inside of the second inner guide (162). A connecting terminal (170, 172) disposed on the joining cover (166) may be disposed in the joining groove (168).

[0134] The joining groove (168) may include a structure formed on the inner surface of the upper joining cover (174), a structure formed on the inner circumferential surface of the second inner guide (162), and a structure formed on the joining cover (166).

[0135] Fig. 4 is a plan view of a main body according to one embodiment of the present invention. Referring to Fig. 4, the configuration formed inside the main cover (116) and the joining groove (168) will be described.

[0136] The outlet (112) is formed in a ring shape. A joining groove (168) is formed on the inside of the outlet (112).

[0137] Connection terminals (170, 172) are arranged in the connecting groove (168). The connection terminals (170, 172) are connected to corresponding terminals (222a, 222b, see FIG. 6) of the insertion pillar (212) described below.

[0138] The connecting terminals (170, 172) may include a power terminal that supplies power and a signal terminal that transmits a signal. The connecting terminals (170, 172) include a first connecting terminal (170) that supplies power and a second connecting terminal (172) that transmits a signal.

[0139] A fastening rib (176a, 176b) that fixes the arrangement of the insertion column (212) is arranged in the joining home (168).

[0140] On the inner circumferential surface of the upper coupling cover (174), fastening ribs (176a, 176b) that are coupled with the coupling cover (166) are arranged. On the inner circumferential surface of the upper coupling cover (174), two fastening ribs (176a, 176b) that are arranged in opposite directions are arranged.

[0141] Each of the two fastening ribs (176a, 176b) may be arranged facing each other and have the same size.

[0142] A fastening hole (178, see Fig. 3) is formed on the inner circumference of the upper coupling cover (174) into which a hook (236) disposed on the sheet device (200) is inserted. A pair of fastening holes (178) may be provided, which are disposed in opposite directions. Each of the pair of fastening holes (178) may be disposed on the upper side of each of the two fastening ribs (176a, 176b).

[0143] An upper groove (180) is formed on the inner circumferential surface of the upper coupling cover (174) to guide the hook (236) to the fastening hole (178). The upper groove (180) may be formed above the fastening hole (178). The fastening hole (178) is arranged to be spaced downward from the upper end of the upper coupling cover (174).

[0144] In the joining home (168), guide ribs (182a, 182b) are arranged to guide the insertion of the insertion pillar (212).

[0145] On the inner circumferential surface of the upper coupling cover (174), two guide ribs (182a, 182b) are arranged so that the seat device (200) is mounted at the same position. Each of the two guide ribs (182a, 182b) may be arranged in opposite directions. The two guide ribs (182a, 182b) may be formed in different sizes.

[0146] Fig. 5 is a side perspective view of a seat device according to one embodiment of the present invention. Referring to Fig. 5, the external configuration of the seat device will be described.

[0147] The seat device (200) includes a seat portion (252). The seat portion (252) is a portion where a pet such as a cat can sit.

[0148] The sheet portion (252) may include a mounting plate (258, see FIG. 7 or FIG. 8) to be described below. The sheet portion (252) may include a sheet (254) arranged on the upper side of the mounting plate (258).

[0149] The seat device (200) includes a seat cover (266) arranged in a form that surrounds at least one side of the outer perimeter of the seat portion (252). The seat cover (266) may have a form that protrudes upward from the outer perimeter of the seat portion (252).

[0150] Accordingly, the flow of air into the seat portion (252) can be minimized. In addition, the transmission of noise due to the operation of the main body (100) into the seat portion (252) can be minimized.

[0151] The seat cover (266) may have a shape that wraps around the perimeter of the seat portion (252). The seat cover (266) may wrap around the perimeter of the seat portion (252) and have a shape with one side open.

[0152] The height at which the upper end of the seat cover (266) is spaced apart from the seat portion (252) may form different heights depending on the circumferential direction. The height at which the upper end of the seat cover (266) is spaced apart from the seat portion (252) may have a structure in which the height increases from one direction to the opposite direction.

[0153] The seat cover (266) may include an inner cover (276) arranged to face the area where the seat portion (252) is arranged. The seat cover (266) may include an outer cover (268) arranged to face the opposite direction to the inner cover (276).

[0154] The sheet device (200) includes an insertion column (212) that is coupled to the main body (100). The insertion column (212) is positioned on the lower side of the sheet portion (252). The insertion column (212) has a columnar shape and can be inserted into a coupling groove (168) formed in the main body (100).

[0155] Fig. 6 is a bottom view of a seat device according to one embodiment of the present invention. Referring to Fig. 6, the external configuration of the seat device will be described.

[0156] The sheet device (200) includes an insertion column (212). The sheet device (200) includes a lower wall (230) extending radially from the outer periphery of the insertion column (212).

[0157] The lower wall (230) is positioned above the outlet of the main body (100). The lower wall (230) causes air flowing upward through the outlet (112) to flow in the radial direction. The length (230D) of the outer circumferential diameter of the lower wall (230) is formed to be longer than the length (112D, see FIG. 3) of the outer circumferential diameter of the outlet (112).

[0158] An insertion column (212) is placed at the center of the lower wall (230). The insertion column (212) has a structure extending downward from the center of the lower wall (230).

[0159] A button (234) for changing the arrangement of the hook (236) is arranged on the lower wall (230). A pair of buttons (234) may be provided, arranged in opposite directions with respect to the insertion column (212).

[0160] A plurality of switches (248a, 248b, 248c) for controlling the operation of the air purifier may be arranged on the lower wall (230). The plurality of switches (248a, 248b, 248c) may have different shapes.

[0161] The plurality of switches may include a first switch (248a) having a circular outwardly convex structure, a second switch (248b) having a circular inwardly concave structure, and the plurality of switches may also include a third switch (248c) having an oval structure.

[0162] The outer cover (268) has a structure that extends radially and upwardly from the outer circumference of the lower wall (230).

[0163] The insertion column (212) includes a peripheral wall (214) inserted into the inside of the coupling cover (166) and a bottom wall (220) arranged at the lower end of the peripheral wall (214).

[0164] On the bottom wall (220), corresponding terminals (222a, 222b) corresponding to the connection terminals (170, 172) of the coupling cover (166) are arranged.

[0165] The corresponding terminals (222a, 222b) may include a terminal that receives power from the connection terminals (170, 172) and a terminal that receives a signal. Each of the two corresponding terminals (222a, 222b) is connected to each of the two connection terminals (170, 172).

[0166] The two corresponding terminals include a first corresponding terminal (222a) connected to a first connecting terminal (170) and a second corresponding terminal (222b) connected to a second connecting terminal (172). The first connecting terminal (170) is connected to the first corresponding terminal (222a), and the second connecting terminal (172) is connected to the second corresponding terminal (222b).

[0167] When the sheet device (200) is mounted on the main body (100), the corresponding terminals (222a, 222b) are connected to the connection terminals (170, 172).

[0168] A fastening rib groove (218) into which fastening ribs (176a, 176b) are inserted is formed in the perimeter wall (214). When the sheet device (200) is mounted on the main body (100), the fastening ribs (176a, 176b) can be inserted into the fastening rib groove (218).

[0169] Two fastening rib grooves (218) are formed in the peripheral wall (214). The two fastening rib grooves (218) can be arranged in opposite directions in the peripheral wall (214).

[0170] A guide groove (216) into which a guide rib (182a, 182b) is inserted is formed in the peripheral wall (214). When the sheet device (200) is mounted on the main body (100), the guide rib (182a, 182b) can be inserted along the guide groove (216).

[0171] Two guide grooves (216) having different sizes are formed in the peripheral wall (214). Each of the two guide grooves (216) is positioned in a size corresponding to and corresponding to two guide ribs (182a, 182b) having different sizes.

[0172] Accordingly, each of the first connecting terminal (170) and the second connecting terminal (172) is connected to the corresponding first corresponding terminal (222a) and the second corresponding terminal (222b), respectively.

[0173] A hook (236) may be placed on the perimeter wall (214). The hook (236) is inserted into the perimeter wall (214) by a button (234) or protrudes outward from the perimeter wall (214).

[0174] An edge groove (224) into which the upper portion of the upper coupling cover (174) is inserted may be formed at the upper end of the insertion column (212). The edge groove (224) may form a groove in the upward direction where the lower wall (230) is arranged at the upper end of the insertion column (212).

[0175] The lower wall (230) has a structure that extends upward and radially outward from the top of the insertion column (212).

[0176] The outer cover (268) may extend outward from the outer circumference of the lower wall (230). The outer cover (268) may be arranged to extend upward from the outer circumference of the lower wall (230).

[0177] Fig. 7 is an exploded perspective view of a sheet device according to one embodiment of the present invention. Referring to Fig. 7, the configuration of the sheet device will be described.

[0178] The sheet device (200) includes a lower part (210) coupled to the main body (100) and an upper part (250) positioned above the lower part (210).

[0179] The lower part (210) is connected to the main body (100) and includes a lower body (211) that guides air discharged to the outlet (112) of the main body (100). The lower body (211) may include an insertion column (212) and a lower wall (230).

[0180] The lower part (210) may include a button (234, see FIG. 6). The lower part (210) may include a plurality of switches (248a, 248b, 248c, see FIG. 6).

[0181] The lower part (210) may include a printed circuit board (246) that transmits and receives electrical signals to control the operation of the air conditioner. The printed circuit board (246) may be fixedly arranged on the upper side of the lower body (211).

[0182] The lower part (210) may include a plurality of sensors (244) that detect weight. Each of the plurality of sensors (244) may detect the weight of a pet located above the upper part (250).

[0183] A plurality of sensors (244) may be arranged on the upper side of the lower body (211). A plurality of sensors (244) may be arranged on the inner side of the lower body (211). A plurality of sensors (244) may be arranged spaced apart from each other in the circumferential direction.

[0184] The lower part (210) may have a plurality of protrusions (242) protruding upward from the upper surface of the lower body (211). The plurality of protrusions (242) protrude upward from the upper surface of the lower wall (230).

[0185] A plurality of protrusions (242) are arranged spaced apart from each other in the circumferential direction on the upper surface of the lower wall (230). Each of the plurality of protrusions (242) is connected to each of the plurality of bushings (290) to be described below. Each of the plurality of protrusions (242) is coupled to each of the plurality of bushings (290) to be described below.

[0186] The lower part (210) may include a fixing device (232) that connects the seat device (200) to the main body (100) or enables the seat device (200) to be separated from the main body (100).

[0187] The fastener (232) may include a button (234, see FIG. 8) and a hook (236, see FIG. 8).

[0188] The sheet device (200) may include an upper part (250) placed above the lower part (210).

[0189] The upper part (250) can be arranged to be movable in the vertical direction above the lower part (210). Some components of the upper part (250) can be arranged to come into contact with a plurality of sensors (244) of the lower part (210).

[0190] The upper part (250) may include a seat (254), a mounting plate (258), and a seat cover (266).

[0191] The sheet (254) is detachably placed on the mounting plate (258). The sheet (254) can be detached upward from the mounting plate (258).

[0192] The seat cover (266) may have a shape that wraps around the perimeter of the mounting plate (258).

[0193] The upper part (250) is placed on the lower side of the mounting plate (258) and may include a heater (264) that heats the mounting plate (258). The heater (264) may be placed in contact with the lower surface of the mounting plate (258).

[0194] The upper part (250) is fixedly arranged on the seat cover (266) and includes a middle plate (280) arranged to contact the upper surface of the sensor (244).

[0195] The middle plate (280) may have an annular shape. The middle plate (280) includes an annular plate body (282) and a plurality of pressurizing portions (284) spaced apart from the plate body (282) in the circumferential direction and protruding radially inward.

[0196] The plate body (282) may have an annular plate-shaped structure. A plurality of bushing holes (286) into which bushings (290) to be described below are inserted may be formed in the plate body (282). Each of the plurality of bushing holes (286) is arranged spaced apart from each other in the circumferential direction of the plate body (282).

[0197] Each of the plurality of bushing holes (286) can be located in the plate body (282) in an area where the plurality of pressurizing parts (284) are arranged.

[0198] The pressurizing portion (284) and the bushing hole (286) may be positioned on the same line extending radially from the center of the middle plate (280).

[0199] Each of the plurality of pressurizing parts (284) is arranged on the upper side of each of the plurality of sensors (244) of the lower body (211). Each of the plurality of pressurizing parts (284) can be arranged to contact each of the plurality of sensors (244) of the lower body (211).

[0200] The middle plate (280) includes a connecting portion (288) that protrudes radially outward from the plate body (282). The connecting portion (288) can secure the middle plate (280) to the seat cover (266).

[0201] A plurality of connecting portions (288) spaced apart in the circumferential direction and protruding radially outward may be arranged on the outer periphery of the plate body (282).

[0202] Each of the plurality of connecting portions (288) may be arranged to extend radially outwardly of the plate body (282) in an area where the plurality of pressurizing portions (284) are located. A bushing hole (286) may be located between the connecting portions (288) and the pressurizing portions (284).

[0203] The connecting portion (288), the pressurizing portion (284), and the bushing hole (286) may be positioned on the same line extending from the center of the middle plate (280).

[0204] The connecting portion (288) is positioned to be fixed to the seat cover (266). The connecting portion (288) may be fixed to the seat cover (266) via a separate bolt. The connecting portion (288) may be bonded to the seat cover (266) via a separate adhesive member or bonded to the seat cover (266) via a fusion method.

[0205] The seat device (200) may include a plurality of bushings (290) that limit the movement of the upper part (250) placed on the upper side of the lower part (210).

[0206] Fig. 8 is a cross-sectional view of one side of a sheet device according to one embodiment of the present invention. Referring to Fig. 8, the configuration and arrangement of the sheet device will be described.

[0207] The seat cover (266) may include an outer cover (268), an inner cover (276), and a mounting plate (258).

[0208] The outer cover (268) may have a structure extending upward from the outer periphery of the lower wall (230). The outer cover (268) may have a shape that surrounds the periphery of the mounting plate (258).

[0209] The upper part of the outer cover (268) may be positioned so as to be spaced upward from the mounting plate (258). The height at which the upper part of the outer cover (268) is spaced from the mounting plate (258) may vary depending on the location.

[0210] The top of the outer cover (268) may have a minimum height at a first point (269a) and a maximum height at a second point (269b) located on the opposite side to the first point (269a).

[0211] The outer cover (268) can form a space (267) where a pet is positioned on the upper side of the mounting plate (258).

[0212] The outer cover (268) may have a structure in which the upper side of the space (267) is open. The outer cover (268) may have a structure in which the upper side of the space (267) and one side in the circumferential direction are open.

[0213] The outer cover (268) may include a first outer cover (268a) extending upwardly from the mounting plate (258) and a second outer cover (268b) extending downwardly from the first outer cover (268a).

[0214] The first outer cover (268a) and the second outer cover (268b) may be formed integrally. The first outer cover (268a) and the second outer cover (268b) may be formed in a separable structure. A portion of the first outer cover (268a) and the second outer cover (268b) may be formed integrally.

[0215] The outer cover (268) can form a convex surface radially outward. The outer peripheral surfaces of each of the first outer cover (268a) and the second outer cover (268b) can form the same surface.

[0216] The second outer cover (268b) extends upward from the top of the lower wall (230). The second outer cover (268b) extends radially outward and upward. The outer peripheral surface of the second outer cover (268b) may be formed as a convex curved surface.

[0217] The second outer cover (268b) may have the same height in each circumferential direction.

[0218] The first outer cover (268a) may have a structure extending upward from one side of the second outer cover (268b).

[0219] The first outer cover (268a) can form a space (267) where a pet is positioned on the upper side of the mounting plate (258). The first outer cover (268a) can guide air flowing upward through the outlet (112) of the main body (100) to flow outside the space (267).

[0220] The first outer cover (268a) may have a structure in which the height varies depending on the circumference. The height at which the first outer cover (268a) is formed upward from the mounting plate (258) may vary depending on the circumference of the first outer cover (268a).

[0221] For example, the height is formed to be the smallest at the first point (269a) of the first outer cover (268a), and the height is formed to be the largest at the second point (269b) of the first outer cover (268b). The upper end of the first outer cover (268a) may have a structure that becomes higher as it goes from the first point (269a) to the second point (269b).

[0222] The outer cover (268) is provided with a mounting portion (270) that protrudes in the direction in which the mounting plate (258) is positioned so that the inner cover (276) is positioned. The mounting portion (270) can form a surface parallel to the mounting plate (258).

[0223] An inner cover (276) can be placed on the upper side of the mounting portion (270).

[0224] The inner cover (276) can be mounted on the inner surface of the outer cover (268). When the inner cover (276) is placed on one side of the outer cover (268), a gap (278) can be formed between the inner cover (276) and the outer cover (268).

[0225] The inner cover (276) may be positioned so as to face the inner surface of the outer cover (268). The inner cover (276) may be positioned so as to face the inner surface of the first outer cover (268a).

[0226] The inner cover (276) is positioned so as to be in contact with the outer cover (268) at each of the upper portion (276b, or 'upper rim') and the lower portion (276c, or 'lower rim'). The height at which the inner cover (276) is formed in the vertical direction may vary along the circumference.

[0227] The height at which the inner cover (276) is formed in the vertical direction can be formed to correspond to the height of the facing first outer cover (268a).

[0228] The lower part (276c) of the inner cover (276) can be positioned at the same position along the circumference. The upper part (276b) of the inner cover (276) can be positioned at a different position along the circumference.

[0229] The mounting plate (258) forms a flat surface. A sheet (254) is placed on the upper side of the mounting plate (258). A center hole (260) that is opened downward is formed in the center of the mounting plate (258).

[0230] The sheet (254) may be formed of a material that cushions shock and is deformable in some shape. The sheet (254) may have a plurality of perforations formed therein to transfer heat to the mounting plate (258).

[0231] The sheet (254) includes a sensing projection (256) protruding downward from the lower surface. The sensing projection (256) can be inserted into a central hole (260) formed in the mounting plate (258).

[0232] The seat device (200) may include a confirmation sensor (262) that confirms when the seat (254) is mounted on the mounting plate (258). The confirmation sensor (262) is placed on the lower side of the mounting plate (258).

[0233] When the sheet (254) is placed on the upper side of the mounting plate (258), the detection protrusion (256) can come into contact with one side of the confirmation sensor (262). Therefore, the confirmation sensor (262) can check whether the sheet (254) is placed or not by whether it comes into contact with the detection protrusion (256).

[0234] A heater (264) may be placed on the lower side of the mounting plate (258). The heater (264) is placed in contact with the mounting plate (258).

[0235] The seat device (200) may include a fixing device (232) that maintains the seat device (200) in a state of being coupled to the main body (100) or releases the coupling.

[0236] The fixing device (232) includes a hook (236) that is movably positioned on the inside of the seat device (200) and a button (234) that changes the position of the hook (236).

[0237] The fixing device (232) is arranged inside the sheet device (200) and includes a hook guider (238) that guides the movement of the hook (236), and a second elastic member (240) that is arranged between the hook guider (238) and the hook (236).

[0238] The inner cover (276) includes an extension wall (276a) spaced apart from the outer cover (268). The extension wall (276a) is positioned facing the outer cover (268). The extension wall (276a) has a shape corresponding to that of the outer cover (268).

[0239] The extension wall (276a) may have a height corresponding to the surface facing the outer cover (268). That is, as in FIG. 8, the height (H1) of the extension wall (276a) located at the front may be formed lower than the height (H2) of the extension wall (276a) located at the rear.

[0240] The inner cover (276) includes a lower rim (276c) that protrudes radially outward from the lower end of the extension wall (276a). The lower rim (276c) may be positioned on the mounting plate (258) or the mounting portion (270).

[0241] One end of the lower rim (276c) may be in contact with the outer cover (268). The other end of the lower rim (276c) may be arranged to be in contact with the sheet (254). The other end of the lower rim (276c) may be connected to the extension wall (276a).

[0242] The inner cover (276) may include an upper rim (276b) that protrudes radially outward from the upper end of the extension wall (276a). The upper rim (276b) is positioned such that an end located remote from the extension wall (276a) contacts the outer cover (268). A protrusion (276b1) that protrudes outward is formed on the outer peripheral end of the upper rim (276b).

[0243] The protrusion (276b1) of the upper rim (276b) can be inserted into the slot (273) formed in the outer cover (268). As the protrusion (276b1) of the upper rim (276b) is inserted into the slot (273) of the outer cover (268), the arrangement of the inner cover (276) can be stably maintained.

[0244] Fig. 9 is an exploded perspective view of a portion of the configuration of a seat cover according to a second embodiment of the present invention. Referring to Fig. 9, the configuration of the inner cover, outer cover, and retainer will be described.

[0245] Hereinafter, a sheet device according to a second embodiment will be described with reference to FIG. 9. This will be described based on differences from the sheet device according to the first embodiment described with reference to FIGS. 5 to 8.

[0246] The seat device (200) may include an outer cover (268) arranged above the lower body (211, see FIG. 11) and arranged around the mounting plate (258), and an inner cover (276) arranged on the inside of the outer cover (268).

[0247] The outer cover (268) may have a radially outwardly convex shape. The outer cover (268) may extend outward from the outer circumference of the lower wall (230, see FIG. 11). The outer cover (268) may be arranged to extend upward from the outer circumference of the lower wall (230).

[0248] The outer cover (268) may be formed with different heights at the top. The height of the top of the outer cover (268) may be formed to increase from one side to the other. The height of the top of the outer cover (268) may be formed to increase from the front to the rear.

[0249] Therefore, pets can enter and exit through the outer cover (268) formed at a low height in the front.

[0250] On the inside of the outer cover (268), a mounting portion (270, see FIGS. 10 to 11) on which the inner cover (276) is mounted is arranged.

[0251] The inner cover (276) is placed inside the outer cover (268). The inner cover (276) is placed facing the inner circumferential surface of the outer cover (268). The lower part of the inner cover (276) is placed above the mounting portion (270, see FIGS. 10 to 11) of the outer cover (268).

[0252] The upper part of the inner cover (276) can be fixed to a retainer (279) to be described below. The inner cover (276) can be positioned apart from the outer cover (268). Accordingly, a space (278, see FIG. 13) can be formed between the inner cover (276) and the outer cover (268).

[0253] The seat device (200) may include a mounting plate (258, see FIG. 11) placed on the lower body (211). The seat device (200) may include a seat (254) placed on the upper side of the mounting plate (258).

[0254] The upper surface of the sheet (254) and the inner circumferential surface of the inner cover (276) may be formed of a different material from the outer cover.

[0255] The upper surface of the sheet (254) may be formed of fabric material. The inner circumferential surface of the inner cover (276) may be formed of fabric material.

[0256] The seat device (200) may include a retainer (279) connected to each of the outer cover (268) and the inner cover (276).

[0257] A retainer (279) is coupled to the outer cover (268). The retainer (279) is detachably connected to the outer cover (268). The retainer (279) can be hook-connected to the outer cover (268).

[0258] The retainer (279) can maintain the arrangement of the inner cover (276). One side of the inner cover (276) can be fixed to the retainer (279).

[0259] The retainer (279) is connected to each of the inner cover (276) and the outer cover (268). The retainer (279) is detachably arranged on each of the inner cover (276) and the outer cover (268).

[0260] Fig. 10 is a drawing illustrating a state in which an inner cover according to a second embodiment of the present invention is separated from an outer cover. Referring to Fig. 10, the configuration of the inner cover and the configuration of the outer cover will be described.

[0261] The inner cover (276) is placed inside the outer cover (268). The inner cover (276) can be separated upward from the outer cover (268). The inner cover (276) can be placed above the mounting portion (270). Therefore, when the retainer (279) is separated, the inner cover (276) can be separated from the outer cover (268).

[0262] The outer cover (268) is provided with a hook fixing portion (275) that is coupled with a retainer (279). The outer cover (268) includes a plurality of hook fixing portions (275) that are provided at an upper end of the inner circumferential surface. The plurality of hook fixing portions (275) are provided so as to be spaced apart from each other in the circumferential direction on the inner circumferential surface of the outer cover (268). Each of the plurality of hook fixing portions (275) formed on the retainer (279) can be inserted into the plurality of hook fixing portions (275).

[0263] The inner cover (276) includes an extension wall (276a) facing the inner circumferential surface of the outer cover (268), a lower rim (276c) protruding radially outward from the lower end of the extension wall (276a), and an upper rim (276b) protruding radially outward from the upper end of the extension wall (276a).

[0264] The lower rim (276c) can be placed on top of the mounting portion (270) of the outer cover (268).

[0265] Additionally, the sheet (254) can be separated from the mounting plate (258, see FIG. 11). The sheet (254) is placed on top of the mounting plate (258). With the inner cover (276) separated from the outer cover (268), the sheet (254) can be separated upward from the mounting plate (258).

[0266] Fig. 11 is a cross-sectional view illustrating the joint relationship between an outer cover and a retainer according to a second embodiment of the present invention. Fig. 12 is an enlarged view of the joint area between an outer cover and a retainer according to a second embodiment of the present invention.

[0267] Referring to Figures 11 and 12, the arrangement and connection relationship of the outer cover and retainer are described.

[0268] A retainer (279) is placed on top of the outer cover (268). The retainer (279) is combined with the outer cover (268). The retainer (279) can be placed and fixed on top of the outer cover (268).

[0269] The outer cover (268) is provided with a hook fixing portion (275) that is coupled with a retainer (279). The hook (279a) of the hole retainer (279) formed in the hook fixing portion (275) can be inserted.

[0270] An anchoring portion (270) is formed on the outer cover (268) where the inner cover (276) is placed. The anchoring portion (270) may be formed on the inner side of the outer cover (268).

[0271] A plurality of hooks (279a) are arranged at the lower end of the retainer (279). The plurality of hooks (279a) are arranged spaced apart from each other in the circumferential direction.

[0272] A slot (279b) is formed in the retainer (279) into which the protrusion (276b1) of the inner cover (276) is inserted. The slot (279b) is formed on the inner circumferential surface of the retainer (279). The slot (279b) extends circumferentially from the inner circumferential surface of the retainer (279).

[0273] An upper tip (279c) protruding radially inward is arranged at the upper end of the retainer (279). The upper tip (279c) can prevent the inner cover (276) from moving upward.

[0274] The seat device (200) may include a mounting plate (258) placed on the lower body (211) and a seat (254) placed on the mounting plate (258).

[0275] The sheet (254) is detachably placed on the mounting plate (258). The sheet (254) can be detached upward from the mounting plate (258).

[0276] The mounting plate (258) forms a flat surface. A sheet (254) is placed on the mounting plate (258). A center hole (260) that is opened downward is formed in the center of the mounting plate (258).

[0277] The sheet (254) includes a sensing projection (256) protruding downward from the lower surface of the sheet (254). When the sheet (254) is placed on the mounting plate (258), the sensing projection (256) can be inserted into a central hole (260) formed in the mounting plate (258).

[0278] The seat device (200) may include a confirmation sensor (262) that confirms when the seat (254) is mounted on the mounting plate (258). The confirmation sensor (262) is positioned below the mounting plate (258). The confirmation sensor (262) can confirm whether the seat (254) is mounted by whether or not it makes contact with the detection protrusion (256).

[0279] The seat device (200) may include a heater (264) that heats the mounting plate (258).

[0280] The heater (264) is placed under the mounting plate (258). The heater (264) is placed in contact with the mounting plate (258).

[0281] Fig. 13 is a cross-sectional view illustrating the joint relationship between an outer cover, an inner cover, and a retainer according to a second embodiment of the present invention. Fig. 14 is an enlarged view of the joint area between an outer cover, an inner cover, and a retainer according to a second embodiment of the present invention.

[0282] Referring to Figures 13 and 14, the arrangement and connection relationship of the outer cover, inner cover, and retainer are described.

[0283] The inner cover (276) includes an extension wall (276a) spaced apart from the outer cover (268), a lower rim (276c) protruding radially outward from the lower end of the extension wall (276a), and an upper rim (276b) protruding radially outward from the upper end of the extension wall (276a).

[0284] The extension wall (276a) is positioned facing the outer cover (268). The extension wall (276a) has a shape corresponding to the outer cover (268).

[0285] The lower rim (276c) can be placed on the mounting plate (258) or the mounting portion (270).

[0286] The upper rim (276b) protrudes radially outward from the upper end of the extension wall (276a). The upper rim (276b) is positioned to contact the retainer (279). A protrusion (276b1) protruding outward is formed on the outer periphery of the upper rim (276b).

[0287] The protrusion (276b1) is inserted into the slot (279b) of the retainer (279). Therefore, the retainer (279) prevents the inner cover (276) from moving upward.

[0288] An upper tip (279c) of a retainer (279) is placed on top of the upper rim (276b). The upper tip (279c) can prevent the inner cover (276) from moving upward.

[0289] That is, the protrusion (276b1) of the upper rim (276b) is inserted into the slot (279b) of the retainer (279), and the upper tip (279c) is positioned above the upper rim (276b), thereby doubly preventing the inner cover (276) from moving upward.

[0290] At this time, the retainer (279) can be combined with the outer cover (268) to maintain the arrangement.

[0291] Although the preferred embodiments of the present disclosure have been illustrated and described above, the present disclosure is not limited to the specific embodiments described above, and various modifications may be made by a person having ordinary skill in the art to which the present disclosure pertains without departing from the gist of the present disclosure as claimed in the claims, and such modifications should not be understood individually from the technical idea or prospect of the present disclosure.

Claims

1. A body that forms an inlet on the circumferential surface and an outlet on the upper surface; and It includes a sheet device that is fixedly arranged on the main body or separated upward from the main body, The above sheet device: A lower body coupled to the main body and guiding air discharged through the outlet radially outward; A mounting plate placed on the above lower body; An outer cover extending upward from the lower body and arranged around the perimeter of the mounting plate; and Including an inner cover placed on the inside of the outer cover, An air purifier in which the inner cover is detachably connected to the outer cover.

2. In paragraph 1, An air purifier in which the inner circumference of the inner cover is formed of a different material from the outer cover.

3. In paragraph 1, An air purifier in which a space is formed between the inner cover and the outer cover.

4. In paragraph 1, The inner cover includes an extension wall facing the inner circumference of the outer cover and extending upward, and a lower rim protruding radially outward from the lower end of the extension wall. The above lower rim is an air purifier placed on the inner circumference of the above outer cover.

5. In paragraph 4, The inner circumferential surface of the outer cover includes a mounting portion that protrudes in the direction in which the mounting plate is placed. The above lower rim is an air purifier placed on the above mounting part.

6. In paragraph 4, The inner cover includes an upper rim that protrudes radially outward from the upper end of the extension wall, The above upper rim is an air purifier that is connected to the outer cover.

7. In paragraph 6, At the end of the above upper rim, a protrusion protruding outward is arranged, An air purifier in which a slot is formed in the outer cover into which the protrusion of the upper rim is inserted.

8. In paragraph 1, The above sheet device, An air purifier comprising a retainer that is coupled to the outer cover and fixes the upper portion of the inner cover.

9. In paragraph 8, An air purifier in which the inner cover is arranged so that the lower part is secured to the inner circumference of the outer cover and the upper part is fixed to the retainer.

10. In paragraph 8, The above retainer is an air purifier that is hook-connected to the outer cover.

11. In paragraph 8, The inner cover includes an extension wall facing the inner circumference of the outer cover and extending upward, and an upper rim protruding radially outward from the upper end of the extension wall. The above upper rim is an air purifier combined with the above retainer.

12. In paragraph 11, At the end of the above upper rim, a protrusion protruding outward is arranged, An air purifier in which a slot is formed on the inner circumferential surface of the retainer into which the protrusion of the upper rim is inserted.

13. In paragraph 11, The above retainer has an upper tip that protrudes radially inward from the upper end, The above upper tip is an air purifier placed on top of the above upper rim.

14. In paragraph 1, An air purifier further comprising a sheet disposed on the above-described mounting plate and separated or combined from the above-described mounting plate.

15. In paragraph 14, An air purifier in which the above sheet protrudes downward from the lower surface and includes a sensing protrusion inserted into a central hole formed in the above mounting plate.

16. In paragraph 15, An air purifier wherein the above sheet device includes a confirmation sensor that comes into contact with the detection protrusion when the sheet is mounted on the mounting plate.

17. In paragraph 14, An air purifier in which the inner circumference of the inner cover and the upper surface of the seat are made of fabric material.

Images