JP5099030B2 - Air conditioner - Google Patents

Description

  The present invention relates to an air conditioner including a filter cleaning unit, and more particularly to a structure for attaching and detaching a filter cleaning unit.

  A conventional air conditioner equipped with a filter cleaning unit includes, for example, a base installed on a wall surface and a main body cabinet equipped with a top panel attached to the front surface of the base, as shown in Patent Document 1. A filter for removing dust contained in the air is provided on the back surface of the air inlet of the top panel. In the main body cabinet, there are provided slide means for sliding the filter in a predetermined direction, and a filter cleaning unit comprising a bottom cover and a top cover for removing dust adhering to the filter. The filter includes a frame having a predetermined width and formed in a frame shape, and a filter portion surrounded by the frame and having meshes regularly formed.

  The drive motor that drives the filter is fixed to the side surface of the base via a mounting portion, and an output gear that is meshed with the rotary gear provided on the bottom cover of the filter cleaning unit is attached to the output shaft. It has been. Between the two ends of the filter cleaning unit, there is a slit-shaped inlet for introducing the filter. One inlet is opened when the filter moves in the forward direction, and the filter moves backward. A shutter is provided to sometimes urge the inlet in the closing direction to prevent the dust accumulated in the filter cleaning unit from being discharged out of the cleaning unit.

  The filter is reciprocated with respect to the filter cleaning unit by driving the drive motor described above, and the cleaning of the filter is repeated a plurality of times. When the filter cleaning unit is full of dust, the front panel is opened, the locked state is released, the filter cleaning unit is removed, and the dust accumulated inside is removed.

  A locking portion for fixing the filter cleaning unit to the main body cabinet is provided on a side surface of the bottom cover of the filter cleaning unit. The locking part is made of a U-shaped elastically deformable elastic piece provided in a part of the bottom cover, and a part of the locking part is locked in a locking recess provided in the side of the front panel. Is provided. Two guide ribs project in parallel along the insertion direction of the filter cleaning unit on both side surfaces of the front panel, and guide portions into which locking portions are inserted are formed between the guide ribs.

  The guide part is formed with a locking recess for locking the locking claw, and the filter cleaning unit is inserted along the guide part so that the locking claw and the locking recess are fitted. Thus, the filter cleaning unit can be fixed to the front panel. With the above configuration, when the filter is cleaned by the filter cleaning unit, the filter is exposed to the front surface of the main body cabinet.

  By the way, when performing filter cleaning, in order to prevent the filter from being exposed to the front surface of the main body cabinet, it is necessary to form a front-side moving path of the filter inside the main body cabinet. When the front side moving path is formed inside the main body cabinet, when removing the filter cleaning unit and the filter from the main body cabinet, the front side moving path is opened, and then the filter is removed from the rail and the filter cleaning unit is engaged. A step for removing the pawl from the locking recess is required, and similarly, when mounting, it is necessary to perform the mounting operation through the above-described plurality of steps, which may be a burden for an unfamiliar user. There is. Further, the air conditioner is installed at a high place on the wall surface, and there are many areas that cannot be visually recognized in the attachment / detachment work, and an air conditioner that can attach and detach the filter cleaning unit and the filter by a simpler process has been demanded.

JP 2004-28487 A (page 8, FIG. 6)

  In view of the above problems, an object of the present invention is to provide an air conditioner in which a filter and a filter cleaning unit can be mounted in a simple process even if a front-side moving path of the filter is formed in the main body. .

  In order to solve the above problems, the present invention provides a heat exchanger and a blower fan in a main body having a suction port and a blower outlet, and a slidable filter on the back surface of the suction port. In the air conditioner, comprising: a frame including a filter moving path that supports the filter; and a drive unit that drives the filter; and a filter cleaning unit that cleans dust accumulated on the surface of the filter. A structure in which a lever constituting a part of the filter moving path is rotatably attached to the unit, and a fixing means is provided for fixing the filter cleaning unit to the frame in conjunction with the turning operation of the lever. Has become

  The filter cleaning unit includes grooves at both ends of the upper surface, and the lever is formed in a U shape from a pair of arm portions and a connecting portion connecting the lower ends of the arm portions, and the upper end of the arm portion. The portion is pivotally supported in the groove, and the fixing means comprises a stopper pivotally supported in a through hole provided in an outer wall portion located outside the groove, By rotating the lever and accommodating it in the groove, the stopper protrudes outward from the through hole, engages with an engagement hole formed in the frame, and the filter cleaning unit is It is configured to be fixed to the frame.

  According to the first aspect of the present invention, the filter cleaning unit is rotatably attached with a lever that is a part of the filter moving path, and the filter cleaning unit is fixed to the frame in conjunction with the turning operation of the lever. By providing the means, the filter cleaning unit can be easily fixed to the frame even if the user is not familiar with the mounting operation.

  According to the second aspect of the present invention, when the filter cleaning unit is mounted on the frame, the stopper is protruded and engaged with the engagement hole of the frame by a simple operation of storing the arm portion of the lever in the groove. The filter cleaning unit can be securely fixed to the frame.

(A) is an external perspective view of an air conditioner according to the present invention. (B) is an external perspective view showing a state in which the front panel is opened. It is sectional drawing of the air conditioner by this invention. It is a perspective view which shows the frame unit provided in the main body of an air conditioner. (A) is a perspective view which shows a filter. (B) is a perspective view which shows the drive mechanism of a filter. It is sectional drawing which shows the movement path | route of a filter. (A) is a perspective view which shows the state of the stopper at the time of rotating the lever of a filter cleaning unit. (B) is a perspective view showing the state of the stopper when the lever of the filter cleaning unit is closed. (A) is a perspective view which shows the state which closed the lever of the filter cleaning unit. (B) is a principal part perspective view of (A). (C) is a perspective view which shows the state which rotated the lever of the filter cleaning unit. (D) is a principal part perspective view of (C). It is a perspective view which shows the front side of a casing. (A) is a perspective view which shows a filter cleaning unit. (B) is a perspective view which shows the state which rotated the lever of the filter cleaning unit. It is sectional drawing which shows the state which open | released the front panel and the lever of the filter cleaning unit.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail as examples based on the attached drawings.

  As shown in the external perspective view of FIG. 1A, an air conditioner according to the present invention includes a base panel (not shown) located on the back side, a casing 1 attached to the front surface of the base panel, and the casing 1. A front panel 2 that can be opened and closed on the front side of the casing, and a top panel 3 that can be opened and closed on the upper surface of the casing 1 and includes a plurality of suction ports 3a in a lattice shape. A blower outlet 4 that is closed by an up-and-down wind direction plate 9 is provided at the lower front portion of the main body.

  The front panel 2 is rotatably supported by shafts (not shown) provided at the upper edges of both sides by bearings provided at the upper portions of both sides of the casing 1, and when rotated upward by a predetermined angle, FIG. In this state, the filter 11 and the filter cleaning unit 13 which will be described later can be attached to and detached from the main body. Further, the front panel 2 can be removed from the casing 1 when the front panel 2 is rotated by a predetermined angle or more.

  As shown in the cross-sectional view of FIG. 2, a heat exchanger 5 including fins arranged in parallel and heat transfer tubes arranged to be orthogonal to the fins is provided in the main body. The heat exchanger 5 is formed in an inverted V shape from the front upper heat exchanger 5a, the front lower heat exchanger 5b, and the rear upper heat exchanger 5c, and below the front lower heat exchanger 5b. Is provided with a front dew tray 7a for receiving condensed water dripping from the front upper heat exchanger 5a and the front lower heat exchanger 5b, and the rear upper heat exchanger 5c below the rear upper heat exchanger 5c. A rear dew tray 7b that receives the condensed water dripping from is provided. Moreover, the ventilation fan 6 which consists of a cross flow fan is provided so that these may be enclosed.

  The air outlet 4 deflects the air blown by turning in the vertical direction, and also the vertical wind direction plate 9 that closes the air outlet 4 when the operation is stopped, and the air blown by turning in the left-right direction. A left and right wind direction plate 8 that deflects and a diffuser 10 that turns downward and directs the air blown out downward are provided. The indoor air sucked in from the suction port 3a by the blower fan 6 passes through the heat exchanger 5 and is heat-exchanged, and then is sent out toward the blower outlet 4, and is blown out by the left and right wind direction plates 8 and the upper and lower wind direction plates 9. The air is blown into the room while being deflected.

  A pair of left and right filters 11 for removing dust contained in the sucked air is provided from the upper surface to the front surface of the main body. The filter 11 is slidably supported on both sides between a pair of left and right filter moving rails 12 as a filter moving path formed in a frame 14 to be described later. A front rail 12a formed in a bow shape from the upper surface to the front surface, a bent rail 12b bent in a U-shape from the lower end of the front rail 12a to the rear, and the bent It consists of a rear upper end of the rear rail 12b and a rear rail 12c that connects the front rail 12a.

  A pair of left and right filter cleaning units 13 are provided on the front upper portion of the main body so as to sandwich the left and right filters 11 respectively. The filter cleaning unit 13 includes an upper box 13a and a lower box 13b. The filter 11 is sandwiched from above and below by these. In the upper box 13a, a semicircular base supported by a rotatable shaft and a dust removing brush 13c made of a brush planted on the base are provided in contact with the upper surface of the filter 11. In addition, adjacent to this, a collecting brush 13d formed in an arc shape that catches the dust accumulated in the dust removing brush 13c, and a dust storage portion 13e that stores the dust taken by the collecting brush 13d, Is provided. The dust removing brush 13c has the brush surface opposed to the upper surface of the filter 11 when the filter 11 is cleaned. However, when the shaft of the base is rotated by a second drive motor 15b described later, the brush surface is removed from the brush 13d. The accumulated dust is removed. A brush planted on a flat base is provided in the lower box 13b and is pressed against the lower surface of the filter 11 by a spring. The dust removing brush 13c provided on the upper box 13a The dust removal efficiency is improved.

  As shown in FIG. 3, a frame 14 that supports the filter 11 and the filter cleaning unit 13 is provided in the main body. The frame 14 includes a right frame 14a formed in a flat plate shape, a left frame 14b, a central frame 14c disposed in the center, and an upper frame 14d that connects the right frame 14a, the left frame 14b, and the central frame 14c. And a lower frame 14e.

  Between the right frame 14a and the center frame 14c, the right filter cleaning unit 13 is detachably mounted on the front surface corresponding to the suction port 3a by an attaching / detaching mechanism described later. Similarly, the center frame 14c and the left frame 14b are attached. A filter cleaning unit 13 on the left side is detachably mounted on the front surface between the two. Further, the right filter 11 is provided together with the right filter cleaning unit 13, and similarly, the left filter 11 is provided together with the left filter cleaning unit 13.

  A first drive motor 15a as a drive source for sliding the pair of left and right filters 11 back and forth is mounted on the lower part of the outer wall of the right frame 14a, and the upper box of the filter cleaning unit 13 as described above on the outer wall. A second drive motor 15b is mounted as a drive source for rotating the dust removal brush 13c provided on 13a.

  The center frame 14c is provided with a clutch mechanism 16 connected to a first rotation shaft 18 and a second rotation shaft 19 which will be described later. Although not described in detail, the clutch mechanism 16 includes a slider, a rotating body, and the like, and switches the driving force transmitted from the first driving motor 15a via the first rotating shaft 18, and the right filter 11 and the left side. These filters 11 can be driven alternately.

  Next, the configuration of the filter 11 will be described. As shown in FIG. 4A, the filter 11 includes a frame 11a made of a resin material formed in a lattice shape, and a net 11b that is formed integrally with the frame 11a and captures dust in the air. As the resin material, a synthetic resin such as polypropylene is used, and a conductive resin is contained so as to prevent electrostatic charge.

A cutout hole 11d is formed on one side of the frame 11a. If the filter 11 is not disposed at the normal position for dust removal, position detection sensors (not shown) provided on the right frame 14a and the center frame 14c of the frame 14 cannot detect the notch hole 11d.
A warning is issued when the filter 11 is mounted.

  In addition, on both sides of the frame 11a, a rack portion 11c is formed in a tooth shape from the upper end to the lower end, and the rack portion 11c meshes with a rotating filter drive gear 17 described later, The filter 11 slides back and forth.

  On the inner wall of the right frame 14a of the frame 14, as shown in FIG. 4 (B), a front-side rail 12a formed in a bow shape and a U-shape from the lower end of the front-side rail 12a to the rear. A filter moving rail 12 including a bent rail 12b that is bent, a rear upper end of the bent rail 12b, and a rear rail 12c that connects the central portion of the front rail 12a is provided. Similarly, although not shown, the filter moving rails 12 are also provided on both side walls of the central frame 14c and the inner wall of the left frame 14b. As described above, the filter 11 is supported on both sides between the filter moving rails 12. Further, the upper portion of the front surface of the right frame 14a is formed in a concave shape so that an attachment piece 22 of the filter cleaning unit 13 described later is locked to temporarily hold the upper portion of the filter cleaning unit 13 on the upper portion of the frame 14. Similarly, although not shown, the housing portions 14f are also formed on both side walls of the central frame 14c and the left frame 14b.

  The rotation shaft of the first drive motor 15a mounted on the outer wall of the right frame 14a is connected to one end of the first rotation shaft 18, and the other end of the first rotation shaft 18 is the above-described clutch of the center frame 14c. It is connected to the mechanism 16. Above the first rotation shaft 18, a second rotation shaft 19 that connects the clutch mechanism 16 and the right frame 14a is provided. The second rotation shaft 19 is provided with filter drive gears 17 at both ends. Yes. The driving force of the first drive motor 15 a is transmitted to the clutch mechanism 16 via the first rotation shaft 18, and is transmitted to the second rotation shaft 19 via the switching mechanism of the clutch mechanism 16 to rotate the filter drive gear 17. It is supposed to be moved. The rack portions 11c provided on both sides of the filter 11 mesh with the filter drive gears 17 provided on both ends of the second rotation shaft 19, and the filter drive gear 17 rotates. Thus, the filter 11 slides back and forth while being guided by the filter moving rail 12.

  When the air conditioning operation is continued for a certain period and dust is accumulated on the surface of the filter 11, the filter 11 is cleaned by the filter cleaning unit 13. As shown in FIG. 5, when the second drive shaft 19 is rotated by the first drive motor 15a through the first drive shaft 18 and the clutch mechanism 16 and the filter drive gear 17 is rotated, the filter drive is performed. The rack 11c meshed with the gear 17 slides forward while being guided by the filter moving rail 12. At this time, the dust accumulated on the upper surface of the filter 11 is removed by contacting the dust removing brush 13 c provided in the filter cleaning unit 13.

  When the filter 11 that has slid forward passes through the front rail 12a formed in an arcuate shape, the filter 11 is folded back by a bent rail 12b that is bent in a U shape, and, as indicated by an arrow, the rear rail It progresses within 12c. When the tip end of the filter 11 reaches a predetermined position on the rear rail 12c, the first drive motor 15a rotates in the reverse direction, and the filter 11 slides in the reverse direction. This operation is repeated so that the dust accumulated on the surface of the filter 11 is sufficiently removed. Thereafter, the dust removed by the dust removing brush 13c is accumulated in the dust removing brush 13c by the take-up brush 13d when the dust removing brush 13c is rotated by driving the second drive motor 15b as described above. Is removed, and dust is stored in the dust storage part 13e in the upper box 13a.

  As shown in FIG. 6 (A), the filter cleaning unit 13 is provided with a lever 20 so as to be rotatable. As shown in FIG. 6 (B), the lever 20 includes a pair of left and right arm portions 20b. The connecting portion 20a that connects the lower end portions of the pair of left and right arms 20b is formed in a U-shape. When the lever 20 is closed as shown in FIG. 6B, the arm portion 20 b constitutes a part of the front side moving rail 12 a of the filter 11. 7B, the filter cleaning unit 13 includes a groove 21 on the upper surface at a predetermined interval from both ends, and an outer wall 22 on the outer side. ing. The upper end portion of the arm portion 21 is pivotally supported by a support shaft portion (not shown) provided in the groove 21, whereby the lever 20 can be rotated forward and by a biasing means such as a string spring not shown. It is always urged to rotate forward as shown in FIG.

  As shown in FIG. 6 (B), the connecting portion 20a of the lever 20 is provided with a notch 20c in the center of the front edge, and one end of the notch 20c is pointed inward so that it will be described later. A locking claw 20d that locks to the sliding locking tool 14h is projected, and a pressing portion 20e that presses a stopper 24 described later is projected from the lower center of the arm portion 20b.

  6A and 6B are perspective views in which a part of the outer wall 22 is omitted, and the outer wall 22 is supported in the front-rear direction as shown in FIG. 6A. A rotatable shaft 23 urged in one direction by a biasing means 25 such as a string spring is provided, and a fan-shaped stopper 24 is formed at the center of the coaxial 23. ing. As shown in FIG. 6B, when the arm portion 20b is accommodated in the groove 21, the pressing portion 20e formed on the arm portion 20b presses the rear end portion 24b of the stopper 24. As a result, the shaft 23 rotates, and the front end 24a of the stopper 24 protrudes outward. When the lever 20 is rotated in the opening direction as shown in FIG. 6A, the pressing portion 20e is separated, whereby the shaft 23 is rotated by the biasing means 25, and the front end portion of the stopper 24 is removed. 24a is drawn inward.

  7B and 7D, a rectangular through hole 22b is provided in the lower portion of the outer wall 22, and the above-described corresponding to the through hole 22b is provided. A stopper 24 is arranged. As described above, when the shaft 23 is rotated by being pressed by the pressing portion 20e, the front end portion 24a of the stopper 24 protrudes outward from the through hole 22b, and when the pressing portion 20e is separated, the stopper 24 is placed in the through hole 22b. And is disengaged from an engagement hole 14g described later. Further, a substantially semicircular attachment piece 22 a is formed on the upper portion of the outer wall 22, and when the attachment piece 22 a is accommodated in an accommodation portion 14 f formed on the frame 14, the filter cleaning unit 13 is temporarily attached to the frame 14. It has come to be stopped.

  As shown in FIG. 8, a slide locking tool 14 h that is locked by the locking claw 20 d provided at the connecting portion 20 a of the lever 20 is provided at the lower front portion of the frame 14. The slide locking tool 14h is supported by the frame 14 so as to be slidable in the left-right direction, and is urged in the direction of the locking claw 20c by the urging means, and locks the locking claw 20d when located on the left side. By doing so, the lever 20 is held in a state where the arm portion 20b is accommodated in the groove 21. Further, when the slide locking tool 14h is slid in the right direction, the locking claw 20c is opened.

  The frame 14 is formed with a recessed engagement hole 14g for engaging the stopper 24 above the front rail 12a of the filter moving rail 12, and the cutout hole 22b of the outer wall 22 described above. When the stopper 24 protrudes from the stopper 24, the stopper 24 is engaged with the engaging hole 14g.

  As shown in FIG. 7A, in the state where the lever 20 is rotated in the pulling-out direction, the stopper 24 is drawn inward of the through hole 22b as shown in FIG. 7B. 7 (C), when the lever 20 is rotated in the closing direction and the arm portion 20b is housed in the groove 21, the stopper 24 is removed from the through hole 22b as shown in FIG. 6 (D). It protrudes toward the direction and engages with the engagement hole 14g of the frame 14. Thereby, the filter cleaning unit 13 is fixed to the frame 14.

  Next, attachment / detachment of the filter cleaning unit 13 and the filter 11 will be described. When the filter 11 is periodically cleaned by the filter cleaning unit 13, the removed dust gradually accumulates in the dust container 13 e of the filter cleaning unit 13. In order to remove this and clean the dust container 13e, the filter cleaning unit 13 and the filter 11 are removed from the main body, cleaned, and then mounted again in the main body.

  When removing the filter cleaning unit 13 and the filter 11 from the main body, as shown in FIG. 10, first, the front panel 2 is rotated by a predetermined angle to open the front side of the frame 14. FIG. 9A is a perspective view showing a state in which the front panel 2 is omitted from the main body. Next, as shown in FIG. 9B, the above-described slide locking tool 14h is slid to lock the locking claw 20d. Is removed and the lever 20 of the filter cleaning unit 13 is rotated forward, so that the stopper 24 is disengaged from the engagement hole 14g of the frame 14. When the stopper 24 is disengaged from the engagement hole 14g, the mounting piece 22a of the outer wall 22 is disengaged from the accommodating portion 14f formed in the frame 14. As a result, the filter cleaning unit 13 and the filter 11 held between the filter cleaning unit 13 and the filter 11 can be removed from the frame 14, and the lever 20 is rotated forward by sliding the slide locking tool 14h. And a simple process of removing the mounting piece 22a from the housing portion 14f.

  The upper box 13a and the lower box 13b of the filter cleaning unit 13 can be easily divided by removing the fixing claws. After the division, the dust accumulated in the dust container 13e is discarded. Moreover, the dirt adhering to the filter 11 can be cleaned.

  After cleaning the upper box 13a and the lower box 13b, the upper box 13a and the lower box 13b are combined again, and the cleaned filter 11 is inserted between them. Then, the filter 11 is placed on the front side of the frame 14 and the attachment piece 22 a of the outer wall 22 is accommodated in an accommodation portion 14 f formed on the frame 14.

  After confirming that the filter 11 is placed at the normal position on the front side of the frame 14, the lever 20 is pushed down again, and the stopper 24 is protruded to be engaged with the engagement hole 14g. Thus, the filter cleaning unit 13 and the filter 11 are mounted at predetermined positions on the frame 14 while the arm portion 20a of the lever 20 forms a part of the front side of the moving path of the filter 11. Next, the mounting operation is completed by closing the front panel 2. As described above, when performing the mounting operation, the operation can be performed by a simple process including the process of storing the mounting piece 22a in the storage part 14f and the process of pushing down the lever 20, and the air conditioner is installed. The filter cleaning unit 13 and the filter 11 can be easily attached to the frame 14 even in an environment where the visible range of the high place is narrow.

  As described above, when the cleaning of the filter cleaning unit 13 and the filter 11 is completed and the filter 11 is mounted again in the main body, the filter 11 is placed on the front surface of the frame 14 in the main body, the front side of which is largely open, and the filter By engaging the mounting piece 22a of the cleaning unit 13 with the accommodating portion 14f formed on the frame 14, these can be performed with easy work while widening the visible range. Further, by pressing down the lever 20 provided in the filter cleaning unit 13 and engaging the stopper 24 with the engagement hole 14g provided in the casing 1, the filter cleaning unit 13 is securely fixed to the frame 14, The lever 20 forms front guide means for the filter 11. Thereby, the filter 11 can be cleaned again by the filter cleaning unit 13 without any trouble.

  In addition, if the upper box 13a and the lower box 13b of the filter cleaning unit 13 are combined with a positional deviation, or if the mounting piece 22a of the outer wall 22 is not correctly locked to the housing portion 14f, Even if the lever 20 is pushed down to lock the stopper 24 in the engagement hole 14g, the lever 20 cannot be locked, and the lever 20 cannot be pushed down to the state shown in FIG. 9A. The front panel 2 is not completely closed. As a result, it is possible to prevent the user from wearing erroneously.

DESCRIPTION OF SYMBOLS 1 Casing 2 Front panel 3 Top panel 3a Inlet 4 Outlet 5 Heat exchanger 5a Front upper heat exchanger 5b Front lower heat exchanger 5c Rear upper heat exchanger 6 Blower fan 7a Front dew pan 7b Rear dew pan 8 Left and right wind direction plate 9 Vertical wind direction plate 10 Diffuser 11 Filter 11a Frame body 11b Net body 11c Rack portion 11d Notch hole 12 Filter moving rail 12a Front rail 12b Bending rail 12c Rear rail 13 Filter cleaning unit 13a Upper box 13b Lower Box 13c Dust removal brush 13d Dust collection brush 13e Dust storage part 14 Frame 14a Right frame 14b Left frame 14c Central frame 14d Upper frame 14e Lower frame 14f Storage part 14g Engagement hole 14h Slide locking tool 15a First drive motor 15b Second Driving Motor 16 Clutch mechanism 17 Filter drive gear 18 First rotation shaft 19 Second rotation shaft 20 Lever 20a Connecting portion 20b Arm portion 20c Notch 20d Locking claw 20e Pressing portion 21 Groove 22 Outer wall 22a Mounting piece 22b Through hole 23 Shaft 24 Stopper 25 Energizing means

Claims (2)

A heat exchanger and a blower fan are provided in a main body having a suction port and a blower outlet, a filter is slidably provided on the back surface of the suction port, a filter moving path for supporting the filter, and the filter In an air conditioner comprising a frame provided with a driving means for driving the filter, and a filter cleaning unit for cleaning dust accumulated on the surface of the filter,
A lever that constitutes a part of the filter moving path is rotatably attached to the filter cleaning unit, and a fixing means that fixes the filter cleaning unit to the frame is provided in conjunction with the turning operation of the lever. An air conditioner characterized by The filter cleaning unit includes grooves at both ends of the upper surface, and the lever is formed in a U shape from a pair of arm portions and a connecting portion that connects the lower ends of the arm portions, and the upper end portion of the arm portion is , Pivotally supported in the groove,
The fixing means comprises a stopper pivotally supported so as to be able to appear and retract in a through hole provided in an outer wall portion located outside the groove,
By rotating the lever and accommodating it in the groove, the stopper protrudes outward from the through hole, engages with an engagement hole formed in the frame, and the filter cleaning unit is The air conditioner according to claim 1, wherein the air conditioner is fixed to a frame.

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