Air purifier

Abstract

To provide an air cleaner device that reduces a load on a user during maintenance.SOLUTION: An air cleaning device includes: a body case 1 having a suction port 3 and an exhaust port 2; a decorative plate 4 attachable to / detachable from the suction port 3; a dust collection filter 18 that collects dust; an air blowing unit 7 that sends air outside the body case 1 from the suction port 3 into the body case 1; and an air course 14 for sending air sucked from the suction port 3 by the air blowing unit 7 to the exhaust port 2 via the dust collection filter 18 and the air blowing unit 7 sequentially. The exhaust port 2 is provided on an upper surface of the body case 1, and the suction port 3 is provided on a front surface of the body case 1. The decorative plate 4 can be attached / detached only by detaching two lock portions of an upper part of the decorative plate 4.SELECTED DRAWING: Figure 2

Description

Technical Field

[0001] The present invention relates to an air purifying apparatus capable of purifying air.

Background Art

[0002] Conventionally, the configuration of this type of air purifying apparatus has been as follows (see, for example, Patent Document 1).

[0003] That is, it includes a main body case having an intake port and an exhaust port, a decorative plate detachably attached to the intake port, a dust collecting filter for collecting dust, a blower unit for blowing air from the intake port outside the main body case into the main body case, and an air passage for blowing the air sucked from the intake port by the blower unit to the exhaust port through the dust collecting filter and the blower unit in sequence. The detachable decorative plate is held by the engagement between two claw engaging portions provided at two locations in the upper part and two locations in the lower part of the decorative plate and two claws at two locations in the corresponding upper part and two claws at two locations in the lower part on the main body case side.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] In such a conventional air purifying apparatus, when removing the decorative plate during maintenance of the dust collecting filter, it is necessary to remove the two claws in the upper part and the two claws in the lower part. In particular, when removing the two claws in the lower part, there is a problem that the user has a load due to the posture of bending when removing them.

[0006] Therefore, the present invention aims to solve the above-mentioned conventional problems and to provide an air purifier that reduces the burden on the user by requiring only two locking parts on the upper part of the panel to be removed when removing the decorative panel. [Means for solving the problem]

[0007] And to achieve this objective, a main body case having an air intake and an exhaust port, and a dust collection filter provided in the air intake for collecting dust, The main body case comprises a removable decorative panel provided at a predetermined distance from the air intake, a blower unit that blows air from outside the main body case into the main body case from the air intake, and an air passage that blows the air drawn in from the air intake by the blower unit to the exhaust port via the dust collection filter and the blower unit in sequence, wherein the air intake is provided on the front of the main body case, the decorative panel has a plate-shaped panel portion that covers the air intake at a predetermined distance from the air intake, a plurality of bottom support portions extending downward from the lower part of the panel portion, a plurality of upper support portions extending from the left and right peripheral edges of the upper part of the panel portion to the rear side of the main body case, a plurality of positioning portions provided between the plurality of upper support portions of the panel portion and extending from the panel portion to the main body case, and a plurality of locking portions provided between the plurality of upper support portions of the panel portion and extending from the panel portion to the main body case, and the lower part of the front side of the main body case has the bottom support portion The lower part of the main body case has multiple recessed bottom sections that are recessed downwards, and the upper part of the main body case has multiple recessed upper outer sections that are recessed toward the rear side of the main body case into which the tip of the upper support part fits, and multiple recessed upper inner sections that are recessed toward the rear side of the main body case into which the positioning part and the locking part fit, and when the lower parts of the multiple bottom support parts are inserted into the multiple bottom recesses and the upper part of the decorative plate is rotated toward the main body case, the tip of the upper support part fits into the upper outer recess, and the multiple upper support The holding portion and the multiple bottom support portions hold the panel portion and the air intake at a predetermined distance, the positioning portion fits into the upper inner recess and maintains the positional relationship between the panel portion and the air intake in the left-right direction on the main body case, the locking portion fits into the upper inner recess and engages the decorative plate with the main body case, and when the upper part of the decorative plate is rotated forward on the main body case from the state in which the decorative plate is engaged with the main body case, the decorative plate detaches from the main body case. Each of the locking parts has a flexible portion that bends in the left-right direction on the main body case and a claw portion provided at the end of the flexible portion on the main body case side, and each of the positioning parts has a convex portion that protrudes from the positioning part toward the central part on the left-right direction on the main body case, and when the flexible portion of each of the locking parts bends to a predetermined dimension, the flexible portion comes into contact with the convex portion. This structure is designed to achieve the intended purpose. [Effects of the Invention]

[0008] According to the present invention, the only locking parts that need to be removed during maintenance are the two upper parts of the panel, thereby reducing the burden on the user. [Brief explanation of the drawing]

[0009] [Figure 1] Perspective view of an air purifier according to Embodiment 1 of the present invention. [Figure 2] Disassembly diagram of the air purifier. [Figure 3] Cross-sectional view of the air purifier. [Figure 4] Perspective view of the decorative panel of the air purifier. [Figure 5] Cross-sectional view of the deodorizing filter of the air purifier. [Figure 6] Schematic diagram of the deodorizing filter of the air purifier. [Figure 7] Schematic diagram of the humidifying unit of the air purifier. [Figure 8] Cross-sectional view of the humidifying unit of the air purifier. [Figure 9] Disassembled view of the filter frame of the air purifier. [Figure 10] Partial view of the upper part of the decorative panel of the air purifier. [Figure 11] A partial view of the lower part of the decorative panel of the air purifier. [Figure 12] Perspective view of the main unit case of the air purifier with the decorative panel removed. [Figure 13] Partial view of the area around the upper support of the decorative panel of the air purifier. [Figure 14] Partial view of the area around the upper inner recess of the main body case of the air purifier. [Figure 15] Partial view of the area around the lower support of the decorative panel of the air purifier. [Modes for carrying out the invention]

[0010] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0011] (Embodiment 1) FIG. 1 is a perspective view of the air purifier according to Embodiment 1 of the present invention. FIG. 1 shows a state where the air purifier is stopped. FIG. 2 is an exploded view of the air purifier according to Embodiment 1 of the present invention. FIG. 2 shows a state where the decorative panel 4 is removed from the air purifier. FIG. 3 is a cross-sectional view of the air purifier according to Embodiment 1 of the present invention. FIG. 3 shows a state where the air direction plate 5 is rotated and the exhaust port 2 is fully opened.

[0012] As shown in FIGS. 1, 2, and 3, the air purifier of the present embodiment includes a substantially box-shaped main body case 1. The main body case 1 has an exhaust port 2 on the top surface of the main body case 1, an intake port 3 on the front surface of the main body case 1, and a detachable decorative panel 4 that covers the intake port 3. Note that FIGS. 1 and 2 show a state where the exhaust port 2 is closed.

[0013] The intake port 3 includes a rectangular tube-shaped filter mounting portion 8. An air purification unit 9 described later is mounted on the filter mounting portion 8.

[0014] FIG. 4 is a perspective view of the decorative panel 4 of the air purifier according to Embodiment 1 of the present invention. As shown in FIGS. 1 and 4, the decorative panel 4 has a substantially U-shaped horizontal cross-sectional shape and forms a part of the front surface and both side surfaces of the main body case 1. The lower part of the decorative panel 4 on the front surface side of the main body case 1 has a horizontally long rectangular lower opening 10, and the central part of the decorative panel 4 on the front surface side of the main body case 1 has a horizontally long rectangular central opening 11. The right side surface (one side surface) of the main body case 1 of the decorative panel 4 has a vertically long rectangular one-side opening 12 with a notch, and the left side surface (the other side surface) of the main body case 1 has a vertically long rectangular other-side opening 13 with a notch. The lower opening 10, the central opening 11, the one-side opening 12, and the other-side opening 13 communicate with the intake port 3.

[0015] As shown in Figures 2 and 3, the air passage 14 connecting the air intake 3 and the exhaust 2 is equipped with, in order from the air intake 3 side, an air purification unit 9, a humidifying filter unit 16 of the humidifying unit 15, and a blower unit 7. The blower unit 7 blows air drawn into the main body case 1 through the air intake 3 from the lower opening 10, the central opening 11, the one-sided opening 12, or the other-sided opening 13, through the air purification unit 9, the humidifying filter unit 16 of the humidifying unit 15, and the blower unit 7, out of the main body case 1 through the exhaust 2.

[0016] The blower unit 7 includes a scroll-shaped casing section 47, a motor section 48 fixed to the casing section 47, a blade section 49 rotated by the motor section 48, and an air outlet passage 50 connecting the casing section 47 and the exhaust port 2.

[0017] The exhaust port 2 is equipped with a wind deflector 5 that rotates vertically. The direction in which the air is blown out of the main body case 1 from the exhaust port 2 is determined by the direction of rotation of this wind deflector 5 and the shape of the air outlet passage 50.

[0018] The air purification unit 9 includes a dust collection filter 18 and a deodorizing filter 19.

[0019] The dust collection filter 18 is a vertically elongated box shape, with the filter material folded into a bellows shape, and is installed in the filter mounting section 8 of the air intake port 3.

[0020] The deodorizing filter 19 is a vertically elongated plate shape and is installed in the filter mounting section 8 of the air intake port 3, positioned opposite the dust collection filter 18.

[0021] Figure 5 is a cross-sectional view of the deodorizing filter 19 of the air purifier according to Embodiment 1 of the present invention, and Figure 6 is a schematic diagram thereof. As shown in Figures 5 and 6, the deodorizing filter 19 consists of an activated carbon holder 20, activated carbon 21, and a cover portion 22. The activated carbon holder 20 is a grid-shaped net 20a with square-shaped openings 20b. The size of these openings 20b is 5 to 12 mm. The wire diameter of the net 20a is 0.5 to 2.0 mm. Activated carbon is bonded to the surface of the net 20a, which is the activated carbon holder 20, by hot melt adhesive. The activated carbon holder is encased in a bag-shaped cover portion 22. The cover portion 22 is a net with a mesh size that does not allow the activated carbon 21 to pass through, and is folded with the activated carbon holder 20 in between, and the three sides are sewn together to close it.

[0022] Figure 7 is a schematic diagram of the humidifying unit 15 of the air purifier according to Embodiment 1 of the present invention, and Figure 8 is a cross-sectional view. As shown in Figures 2, 7, and 8, the humidifying unit 15 comprises a water tank section 25, a water tank section 26, a filter frame section 27, a humidifying filter section 16, a support section 28, and a rotating section 29.

[0023] The water tank section 25 is a roughly horizontally elongated box shape with an open top, and is detachably attached to the bottom of the main body case 1. The water tank section 25 stores a certain amount of water supplied from the water tank section 26.

[0024] The water tank section 26 is attached to the end of the water tank section 25, and water is supplied to the water tank section 25 from the bottom of the water tank section 26, thereby maintaining a nearly constant water level in the water tank section 25.

[0025] Figure 9 is an exploded view of the filter frame 27 of the air purifier according to Embodiment 1 of the present invention. As shown in Figure 9, the filter frame 27 has a humidifying filter 16 fixed inside and is rotatably mounted on a support 28. The filter frame 27 is composed of a first filter frame 30 and a second filter frame 31.

[0026] The first filter frame 30 has a first rotating shaft 32, a number of first struts 33, and a first ring portion 34.

[0027] The first rotating shaft 32 is cylindrical in shape and extends from the center of the first filter frame 30 to the windward side of the airflow path (from the back to the front of the main body case 1). The first rotating shaft 32 is rotatably mounted on one side of the support part 28 provided on the water tank section 25 (the front side of the main body case 1, the upstream side of the airflow path).

[0028] The first crossbar 33 is elongated and plate-shaped, and numerous sections extend radially from the first rotation axis 32, with the first rotation axis 32 as the central point.

[0029] The first ring portion 34 is cylindrical in shape, connecting the ends of numerous first strut portions 33, and extends toward the windward side of the airflow path (from the rear side to the front side of the main body case 1). The first rotating shaft 32, the numerous first strut portions 33, and the first ring portion 34 are integrally formed. The central axis of the first ring portion 34 is positioned on the rotating shaft of the filter frame portion 27.

[0030] The second filter frame 31 has a second rotating shaft 35, a number of second inner crossbars 36, a second inner ring portion 37, a number of second outer crossbars 38, and a second outer ring portion 39.

[0031] The second rotating shaft 35 is cylindrical in shape and extends from the center of the second filter frame 31 to the leeward side of the airflow path (from the front side to the back side of the main body case 1). The second rotating shaft 35 is rotatably mounted on the other side (the back side of the main body case 1) of the support part 28 provided on the water tank section 25.

[0032] The second inner crossbar 36 is elongated and plate-shaped, and numerous sections extend radially from the second rotation axis 35, with the second rotation axis 35 as the central point.

[0033] The second inner ring portion 37 is cylindrical in shape, connecting the ends of numerous second inner crossbar portions 36, and extends downwind in the air passage 14 (from the front to the back of the main body case 1). The central axis of the second inner ring portion 37 is located on the rotation axis of the filter frame portion 27.

[0034] The second outer crossbar portion 38 is elongated and plate-shaped, and extends radially in large numbers from the second inner ring portion 37 with the second rotation axis 35 as the center.

[0035] The second outer ring portion 39 is cylindrical in shape, connecting the ends of numerous second outer crossbar portions 38, and extends toward the windward side of the air passage 14 (from the rear side to the front side of the main case 1). The second rotation shaft 35, numerous second inner crossbar portions 36, second inner ring portion 37, numerous second outer crossbar portions 38, and second outer ring portion 39 are integrally formed. The central axis of the second outer ring portion 39 is positioned on the rotation axis of the filter frame portion 27.

[0036] The second outer ring portion 39 of the second filter frame 31 is slightly larger in size than the first ring portion 34 of the first filter frame 30. The first ring portion 34 of the first filter frame 30 fits inside the second outer ring portion 39 of the second filter frame 31. A humidifying filter portion is positioned between the first filter frame 30 and the second filter frame 31.

[0037] The humidifying filter section 16 is disc-shaped, with a portion of its periphery constantly immersed in the water in the water tank section 25, drawing up water using capillary action. The water drawn up by capillary action is carried along connecting threads, which hold the water, and humidification occurs as air passes through these threads.

[0038] The support portion 28 has a first support portion 40 and a second support portion 41, and in the air passage 14 that connects the intake port 3 and the exhaust port 2, the first support portion 40 is positioned upstream of the second support portion 41. The filter frame portion 27 is rotatably supported by the first support portion 40 and the second support portion 41.

[0039] The first support portion 40 includes a first support plate 42 and a first bearing 43. The first support plate 42 is elongated and extends upward from the upper end of the water tank portion 25, and the first bearing 43 is located at the upper part of the first support plate 42. The first bearing 43 rotatably supports the first rotation shaft 32 of the first filter frame 30.

[0040] The second support portion 41 includes a second support plate 44 and a second bearing 45. The second support plate 44 is elongated and extends upward from the upper end of the water tank portion 25, and the second bearing 45 is located at the top of the second support plate 44. The second bearing 45 rotatably supports the second rotation shaft 35 of the second filter frame 31.

[0041] The first support plate 42 is positioned opposite the second support plate 44, and the first bearing 43 is positioned opposite the second bearing 45. The water tank section 25, the first support plate 42, the first bearing 43, the second support plate 44, and the second bearing 45 are integrally formed, and for example, they are integrally formed from a resin material.

[0042] The rotating part 29 is connected to a gear part 46 located in the second inner ring part 37 of the second filter frame 31, and as the rotating part 29 moves, the filter frame part 27 rotates together with the humidifying filter part 16.

[0043] This section will explain the air purification and humidification operations in this configuration.

[0044] As shown in Figures 2 and 3, when the unit is stopped, water is supplied from the water tank section 26 to the water tank section 25 to maintain a constant water level, and a portion of the humidifying filter section 16 of the humidifying unit 15 is constantly submerged in this water. When the air purifier is operated, the air deflector 5 is rotated, causing the exhaust port 2 to appear. At the same time, the rotating section 29 rotates the filter frame section 27, causing the humidifying filter section 16 to rotate and moisten the entire humidifying filter section 16. Then, by moving the blower unit 7, air is drawn into the main unit case 1 from the air intake port 3. The air then passes sequentially through the dust collection filter 18, the deodorizing filter 19, and the water-retaining humidifying filter section 16, all located within the main unit case 1, becoming humidified and purified air, which is then discharged into the room from the exhaust port 2.

[0045] A key feature of this embodiment is the detachable design of the decorative panel on the front of the main body case.

[0046] Figure 10 is a partial view of the upper part of the decorative panel of the air purifier according to Embodiment 1 of the present invention. Figure 11 is a partial view of the lower part of the decorative panel of the air purifier according to Embodiment 1 of the present invention. Figure 12 is a perspective view of the main body case of the air purifier according to Embodiment 1 of the present invention with the decorative panel removed.

[0047] As shown in Figures 4, 10, 11, and 12, the decorative panel 4 has a panel portion 60, an upper support portion 61, a positioning portion 62, a locking portion 63, and a bottom support portion 64. The panel portion 60, the upper support portion 61, the positioning portion 62, the locking portion 63, and the bottom support portion 64 are integrally formed from a resin material.

[0048] The panel section 60 is a vertically elongated rectangular plate shape that covers the air intake port 3, and has a horizontally elongated rectangular central opening 11 in the center and a horizontally elongated rectangular lower opening 10 at the bottom. The upper part of the panel section 60 is equipped with a plurality of upper support parts 61, a plurality of positioning parts 62, and a plurality of locking parts 63, and the lower part of the panel section 60 is equipped with a plurality of bottom support parts 64.

[0049] The multiple upper support portions 61 are roughly plate-shaped and extend from the left and right peripheral edges of the upper part of the panel portion 60 to the rear side of the main body case 1. Below one upper support portion 61 is one side opening 12, and below the other upper support portion 61 is the other side opening 13. The upper part of the main body case 1 has multiple upper outer recesses 65 that are recessed toward the rear side of the main body case 1 into which the tips of the upper support portions 61 fit.

[0050] Figure 13 is a partial view of the area around the upper support portion of the decorative panel of the air purifier according to Embodiment 1 of the present invention. Figure 14 is a partial view of the area around the upper inner recess portion of the main body case of the air purifier according to Embodiment 1 of the present invention. Figure 15 is a partial view of the area around the lower support portion of the decorative panel of the air purifier according to Embodiment 1 of the present invention.

[0051] Specifically, as shown in Figures 10, 11, 12, 13, 14, and 15, the upper support portion 61 has an upper support plate portion 66 and an upper guide portion 67.

[0052] The upper support plate portion 66 is a vertically elongated plate shape, extending from the left and right peripheral edges of the upper part of the panel portion 60 to the rear side of the main body case 1, with one side facing the side of the main body case 1.

[0053] The upper guide portion 67 extends from the tip surface of the upper support plate portion 66 to the rear side of the main body case 1 and enters the upper outer recess portion 65. When the upper guide portion 67 of the upper support portion 61 enters the upper outer recess portion 65, the tip surface of the upper support plate portion 66 contacts the opening edge of the upper outer recess portion 65, holding the panel portion 60 and the air intake port 3 at a predetermined distance.

[0054] Multiple positioning parts 62 are provided between multiple upper support parts of the panel part 60 and are projections extending from the panel part 60 toward the main body case 1. Multiple locking parts 63 are provided between multiple upper support parts 61 of the panel part 60 and are projections extending from the panel part 60 toward the main body case 1. The upper part of the main body case 1 has multiple upper inner recesses 68 that are recessed toward the rear side of the main body case 1 and into which the positioning parts 62 and locking parts 63 are housed.

[0055] The multiple bottom support portions 64 are projections that extend downward from the lower parts of the left and right panel portions 60 on both sides of the main case 1 in the left-right direction. The lower part of the front side of the main case 1 has multiple bottom recesses 69 that are recessed downward to accommodate the lower parts of the bottom support portions 64.

[0056] In the above configuration, when the lower parts of the multiple bottom support parts 64 are placed in the bottom recess 69 and the upper part of the decorative panel 4 is rotated toward the main case 1, the tip of the upper support part 61 enters the upper outer recess 65, and the multiple upper support parts 61 and the multiple bottom support parts 64 hold the panel part 60 and the air intake port 3 at a predetermined distance. The positioning part 62 enters the upper inner recess 68 and maintains the positional relationship between the panel part 60 and the air intake port 3 in the left-right direction on the main case 1. The locking part 63 enters the upper inner recess 68 and engages the decorative panel 4 with the main case 1. Furthermore, when the upper part of the decorative panel 4 is rotated forward on the main case 1 from the state in which the decorative panel 4 is engaged with the main case 1, the decorative panel 4 is released from the main case 1.

[0057] As a result, conventionally, when removing the decorative panel 4 for maintenance of the dust collection filter 18, it was necessary to release the two upper and two lower clips, and especially when releasing the two lower clips, the user had to bend down, which put a lot of strain on them. However, by limiting the number of locking parts 63 that need to be released to only the two upper parts of the panel 60, the strain on the user due to their posture can be reduced.

[0058] Furthermore, the panel section 60 may be provided with multiple lower support sections 70 at its lower part.

[0059] The multiple lower support portions 70 are roughly plate-shaped and extend from the left and right peripheral edges of the lower part of the panel portion 60 to the rear side of the main body case 1. Each lower support portion 70 has a lower support plate portion 71, a lower guide portion 72, and an inclined surface 73.

[0060] The lower support plate portion 71 is a vertically elongated plate shape, extending from the left and right peripheral edges of the lower part of the panel portion 60 to the rear side of the main body case 1, with one side facing the side of the main body case 1.

[0061] The lower guide portion 72 extends from the tip surface of the lower support plate portion 71 to the rear side of the main body case 1 and enters the lower outer recess portion 74, which will be described later. The upper end of the lower guide portion 72 has an inclined surface 73.

[0062] The inclined surface 73 slopes downward from the lower support plate portion 71 toward the rear side of the main case 1.

[0063] The lower part of the main body case 1 has multiple lower outer recesses 74 that are recessed toward the back side of the main body case 1, into which the lower guide portion 72, which is the tip of the lower support portion 70, fits.

[0064] In this way, when the lower guide portion 72 of the lower support portion 70 enters the lower outer recess portion 74, the tip surface of the lower support plate portion 71 contacts the opening edge of the lower outer recess portion 74, making it easier to hold the panel portion 60 and the air intake port 3 at a predetermined distance.

[0065] Furthermore, the locking portion 63 has a flexible portion 75 and a claw portion 76.

[0066] The flexible portion 75 is a horizontally elongated plate shape that extends from the panel portion 60 towards the main body case 1, and it flexes in the left-right direction within the main body case 1.

[0067] The claw portion 76 is a projection provided at the end of the flexible portion 75 on the main case 1 side, and at the tip of the flexible portion 75. The claw portion 76 engages with the internal recess portion 77 in the upper inner recess portion 68. When a force exceeding a predetermined amount is applied to the main case 1 from the back to the front, the multiple flexible portions 75 bend, and the claw portions 76 of the multiple locking portions 63 disengage from the internal recess portion 77 of the upper inner recess portion 68.

[0068] The upper support portion 61 has an inclined surface 78 at the upper end of the upper guide portion 67. The inclined surface 78 slopes downward from the upper support plate portion 66 toward the rear side of the main body case 1.

[0069] As a result, when the user mistakenly tries to carry the air purifier by holding the upper support portion 61 of the decorative panel 4 and lifts the decorative panel 4, the inclined surface 78 at the upper end of the upper support portion 61 comes into contact with the upper surface of the upper outer recess portion 65 that is recessed toward the rear side of the main body case 1. Here, since the inclined surface 78 is inclined downward from the upper support portion 66 toward the rear side of the main body case 1, the decorative panel 4 moves toward the front side of the main body case 1. When this forward force acts on the decorative panel 4, the multiple flexible portions 75 bend, and the claw portions 76 of the multiple locking portions 63 disengage from the internal recess portions 77 of the upper inner recess portion 68. As a result, the decorative panel 4 detaches before the main body case 1 is lifted, which prevents the main body case 1 from falling during transport due to the main body being carried in an unstable state where the decorative panel 4 and the main body case 1 are not securely fixed.

[0070] Furthermore, the internal recess portion 77 of the upper inner recess portion 68 is recessed toward the central part in the left-right direction of the main body case 1. Multiple locking portions 63 are provided between multiple positioning portions 62. The claw portions 76 of the multiple locking portions 63 protrude toward the central part in the left-right direction of the main body case 1. Multiple positioning portions 62 are provided on the outside in the left-right direction of the main body case 1 within the upper inner recess portion 68.

[0071] As a result, when the panel portion 60 of the decorative panel 4 bends backward (when the panel portion 60 is viewed from above, the central part of the panel portion 60 protrudes toward the rear side of the main body case 1), the distance between the tips of the multiple positioning portions 62 and the tips of the multiple locking portions 63 increases. When the decorative panel 4 is attached to the main body case 1 while rotating, the positioning portions 62 are inserted while interfering with the outer wall portion of the upper inner recess portion 68, and the resulting reaction force corrects the bending of the panel portion 60 of the decorative panel 4. This maintains the distance between the locking portion 63 and the upper inner recess portion 68, and has the effect of preventing poor fixing that could cause the decorative panel 4 to fall off due to bending of the panel portion 60 of the decorative panel 4.

[0072] Furthermore, each of the multiple positioning parts 62 has a convex portion 79 that protrudes from the multiple positioning parts toward the central part of the main body case 1 in the left-right direction, and when the flexible portion 75 of the multiple locking parts 63 bends to a predetermined dimension, the flexible portion 75 comes into contact with the convex portion.

[0073] As a result, even if a user accidentally applies stress to the locking portion 63 when removing the decorative panel 4 during maintenance, deformation up to the plastic deformation range of the locking portion 63 can be prevented, thus preventing poor fixing that would cause the decorative panel 4 to fall off due to plastic deformation of the locking portion 63. [Industrial applicability]

[0074] The air purifier according to the present invention is expected to be used as an air purifier for homes, offices, and other purposes. [Explanation of Symbols]

[0075] 1. Main unit case 2 Exhaust ports 3. Air intake 4. Decorative panels 5 Wind direction board 7. Blower Unit 8. Filter mounting section 9. Air purification unit 10 Lower opening 11 Center opening 12 One-sided opening 13. Opening on the other side 14 Wind path 15 Humidifying Unit 16 Humidifying filter section 18 Dust collection filter 19 Deodorizing filter 20 Activated carbon support 20a Net 20b opening 21 Activated carbon 22 Cover section 25 Aquarium section 26 Water Tank Section 27 Filter frame section 28 Support part 29 Rotating part 30 First filter frame 31. Second filter frame 32. First rotation axis 33 1st pier 34 First Ring Section 35. Second rotation axis 36 2nd inner pier 37 Second Inner Ring Section 38 Second outer frame 39. Second outer ring section 40 1st support part 41 Second support part 42 1st support plate 43 First bearing 44 Second support plate 45 Second bearing 46 Gear section 47 Casing section 48 Motor section 49. Wing section 50 Air outlet 60 Panel section 61 Upper support part 62 Positioning section 63 Locking part 64 Bottom support 65 Upper outer recess 66 Upper support plate part 67 Upper guide section 68 Upper inner recess 69 Bottom recess 70 Lower support part 71 Lower support plate part 72 Lower guide section 73 Slope 74 Lower outer recess 75. Flexible portion 76 Claw part 77 Internal recessed area 78 Slope 79 Convex part

Claims

1. A main body case having an air intake and an exhaust port, A dust collection filter is provided at the aforementioned air intake port to collect dust, A removable decorative panel is provided at a predetermined distance from the aforementioned air intake, A blower unit that blows air from outside the main body case into the main body case from the aforementioned air intake port, The air drawn in from the intake port by the blower unit is passed through the dust collection filter and the front The system comprises a blowing unit and an air passage that sequentially blows air to the exhaust port, The aforementioned air intake is provided on the front of the main body case, The aforementioned decorative panel is A plate-shaped panel portion that covers the air intake at a predetermined distance from the air intake, Multiple bottom support parts extending downward from the lower part of the panel section, Multiple upper support portions extending from the left and right peripheral edges of the upper part of the panel portion to the rear side of the main body case, A plurality of positioning portions are provided between the plurality of upper support portions of the panel portion and extend from the panel portion toward the main body case, The panel portion has a plurality of locking portions provided between the plurality of upper support portions and extending from the panel portion toward the main body case, The lower part of the front side of the main case has a number of bottom recesses that are recessed downwards into which the lower part of the bottom support portion fits, The upper part of the main body case has a plurality of upper outer recesses recessed toward the rear side of the main body case into which the tip of the upper support part fits, and a plurality of upper inner recesses recessed toward the rear side of the main body case into which the positioning part and the locking part fit, When the lower parts of the multiple bottom support parts are inserted into the multiple bottom recesses and the upper part of the decorative panel is rotated toward the main body case, the tip of the upper support part enters the upper outer recess, and the multiple upper support parts and the multiple bottom support parts hold the panel and the air intake at a predetermined distance. The positioning portion fits into the upper inner recess and maintains the positional relationship between the panel portion and the air intake in the left-right direction on the main body case. The locking portion fits into the upper inner recess and engages the decorative plate with the main body case. When the decorative panel is engaged with the main body case, and the upper part of the decorative panel is rotated forward on the main body case, the decorative panel detaches from the main body case. The multiple locking parts are, The aforementioned main body case has a flexible portion that bends in the left-right direction, It has a claw portion provided at the end of the bending portion on the main body case side, Each of the positioning parts has a protruding portion that extends from the positioning part toward the central part of the main body case in the left-right direction. An air purifier characterized in that when the flexible portion of a plurality of the aforementioned locking parts bends to a predetermined dimension, the flexible portion comes into contact with the convex portion.

2. The plurality of upper support parts are, The upper support plate portion extends from the left and right peripheral edges of the upper part of the panel to the back side of the main body case, with one side of the plate facing the side of the main body case, It has an upper guide portion that extends from the tip of the upper support plate portion to the rear side of the main body case and enters the upper outer recess portion, The upper end of the upper guide portion has an inclined surface that slopes downward from the upper support plate portion toward the rear side of the main body case. The air purifier according to claim 1, characterized in that the claw portions of the multiple locking parts engage with the internal recesses within the upper inner recess, and when a force greater than a predetermined amount is applied to the main body case from the rear to the front, the claw portions of the multiple locking parts disengage from the internal recesses within the upper inner recess.

3. The multiple locking portions are provided between the multiple positioning portions, The internal recess portion of the upper inner recess is recessed toward the central part in the left-right direction of the main case. The claw portions of the multiple locking parts protrude toward the central part in the left-right direction of the main body case, The air purifier according to claim 2, characterized in that the plurality of positioning portions are provided on the outside of the main body case in the left-right direction within the upper inner recess portion.

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