WO2020188742A1

WO2020188742A1 - Air conditioning device

Info

Publication number: WO2020188742A1
Application number: PCT/JP2019/011452
Authority: WO
Inventors: 啓伸末▲廣▼; 辰夫古田; 雄大平野
Original assignee: 三菱電機株式会社
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2020-09-24
Also published as: JPWO2020188742A1; JP7055238B2

Abstract

According to the present invention, a shutter for opening and closing a blow-out opening comprises: a pair of roller bases in which a first roller is disposed in an inward direction from each of two longitudinal-direction end parts; a base in which the roller bases are respectively provided to two width-direction side parts; a pair of first rails provided to each of the two side parts of the base, the first rails guiding the first roller; a pinion provided to the base, the pinion rotating due to driving by a motor; and a rack provided facing the base, the rack being meshed with the pinion. The base has a pair of second rails that guide a second roller. The rack has a pair of second rollers disposed widthwise at two longitudinal-direction end parts. The first roller presses the first rails in the inward direction of the shutter, and the second rollers press the second rails in the width direction of the shutter. This makes it possible to suppress unsteadiness produced toward the front, rear, left, and right when the shutter is operated or is stopped, and to preemptively prevent contact between the shutter and surrounding components due to the unsteadiness.

Description

Air conditioner

The present invention relates to an air conditioner provided with a shutter at the air outlet.

As an air conditioner of this type, one provided with a shutter that opens and closes the suction port and the discharge port in conjunction with each other is known (for example, Patent Document 1). In the air conditioner of Patent Document 1, the rack meshed with the pinion that is rotated by the drive of the motor moves with the rotation of the pinion to move the shutter coupled to the rack. At this time, the shutter is provided with a roller for the purpose of facilitating movement. Thereby, this air conditioner aims to prevent the inflow of foreign matter during non-operation and to form a wider suction port to increase the suction amount.

Japanese Unexamined Patent Publication No. 9-203534

However, in the air conditioner of Patent Document 1, rollers for moving the shutter are provided on both upper and lower ends in the width direction of the shutter in only one direction in the width direction of the shutter. .. Therefore, although the rattling in the left-right direction, which is the width direction of the shutter, can be suppressed by these two pairs of rollers, there is no way to suppress the rattling in the front-rear direction, which is the depth direction of the shutter.

Therefore, the present invention is for solving the above-mentioned problems, suppresses rattling that occurs in the front-rear and left-right directions when the shutter is moved or stopped, and prevents contact between the shutter and peripheral parts caused by this rattling. The purpose is to provide a capable air conditioner.

The air conditioner according to the present invention includes an apparatus main body having a suction port and an outlet, and an air conditioner that exchanges heat with a heat exchanger for indoor air sucked from the suction port and blows it out from the outlet into the room. The first type has a shutter that opens the air outlet during operation and closes the air outlet when stopped, and the shutters are arranged at both ends in the longitudinal direction toward the depth direction. A pair of roller bases provided with rollers, a base provided with the roller bases on both side portions in the width direction, and a pair of first rollers provided on both side portions of the bases to guide the first rollers. It includes a rail, a pinion provided on the base and rotated by driving a motor, and a rack provided facing the base and meshed with the pinion, and the base is provided with the second base. The rack has a pair of second rails for guiding the rollers, the rack has a pair of second rollers arranged in the width direction at both ends in the longitudinal direction, and the first roller has the said first roller. The first rail is pressed in the depth direction of the shutter, and the second roller presses the second rail in the width direction of the shutter.

According to the air conditioner according to the present invention, the first roller presses the first rail in the depth direction of the shutter, and the second roller presses the second rail in the width direction of the shutter. Then, the rattling that occurs in the left-right direction, which is the width direction, is suppressed by the first roller and the first rail when the shutter is moved or stopped, and the rattling that occurs in the front-rear direction, which is the depth direction, is suppressed by the second roller and the second roller. Hold down with rails. Therefore, it is possible to prevent contact between the shutter and peripheral parts caused by rattling that occurs in the front-back and left-right directions when the shutter is moved or stopped.

It is an exploded perspective view which shows the air conditioner which concerns on Embodiment 1. FIG. It is a front view which shows the state which the shutter of the air conditioner of FIG. 1 is closed. It is a front view which shows the state which opened the shutter of the air conditioner of FIG. It is an exploded perspective view which provides the explanation of the shutter of the air conditioner of FIG. It is an exploded perspective view which provides the explanation of the shutter of the air conditioner of FIG. It is an exploded perspective view which provides the explanation of the shutter of the air conditioner of FIG. It is a perspective view which shows the rack of the air conditioner of FIG. It is a perspective view which shows the base of the air conditioner of FIG. It is a perspective view which shows the positional relationship between the rail and the first roller in the roller base of the air conditioner of FIG. It is a partial cross-sectional view which shows the positional relationship between the 2nd rail and the 2nd roller of the air conditioner of FIG. It is a schematic diagram which shows the positional relationship between the first roller of the air conditioner of FIG. 1 and a roller base seen from the side. It is a schematic diagram which shows the positional relationship between the 2nd rail and the 2nd roller of the air conditioner of FIG. 1 when viewed from the front. It is an exploded perspective view which provides the explanation of the shutter of the air conditioner in Embodiment 2. FIG. It is a perspective view which shows the base of the air conditioner in Embodiment 2. FIG. It is a schematic diagram which shows the positional relationship between the 2nd rail and the 2nd roller of the air conditioner of Embodiment 2 as seen from above. It is a schematic diagram which shows the positional relationship between the 2nd rail and the 2nd roller of the air conditioner of Embodiment 2 as seen from the front. It is a schematic diagram which shows the positional relationship between the 1st rail and the 1st roller in the shutter stop state of the air conditioner which concerns on Embodiment 3. FIG. It is a schematic diagram which shows the positional relationship between the 1st rail and the 1st roller in the shutter operation state of the air conditioner which concerns on Embodiment 3. FIG. It is a schematic diagram which shows the positional relationship between the 1st rail and the 1st roller of the air conditioner which concerns on Embodiment 3. FIG.

Hereinafter, embodiments will be described based on the drawings. It should be noted that the forms of the components shown in the entire specification are merely examples and are not limited to these descriptions. That is, it can be appropriately changed as long as it does not contradict the gist or idea that can be read from the scope of claims and the entire specification. In addition, an air conditioner with such a change is also included in the technical concept. Further, in each figure, those having the same reference numerals are the same or equivalent thereof, which are common in the whole text of the specification.

Embodiment 1.
It is an exploded perspective view which shows the air conditioner 100 which concerns on Embodiment 1. FIG. FIG. 2 is a front view showing a state in which the shutter 11 of the air conditioner 100 of FIG. 1 is closed. FIG. 3 is a front view showing a state in which the shutter 11 of the air conditioner 100 of FIG. 1 is opened. FIG. 4 is an exploded perspective view for explaining the shutter 11 of the air conditioner 100 of FIG.

As shown in FIGS. 1 to 4, in the first embodiment, the air conditioner 100 includes, for example, a floor-standing air conditioner. The device main body 1 which is an indoor unit has two suction ports formed on the left and right side surfaces of the grill base 4 provided on the back surface of the lower panel 3 provided below the front surface by the rotation of the blower fan 2. The room air is sucked from 7 through the

filters

8 and 9 for removing dust. In this way, the sucked indoor air is cooled or heated by a heat exchanger (not shown) inside the apparatus main body 1 and blown out into the room from the upper air outlet 10 to cool or heat the room.

And the outlet 10 is provided with a shutter 11. The shutter 11 closes the air outlet 10 when the operation of the air conditioner 100 is stopped. As a result, the design is good, and it is possible to prevent foreign matter from flowing in from the air outlet 10. Further, the shutter 11 is automatically lowered when the air conditioner 100 is operated, and the outlet 10 is opened.

The grill base 4 is fixed to a cabinet 1a, which will be described later, to improve the rigidity of the entire apparatus main body 1, and to attach

filters

8 and 9, suction grills 5 and 6, and a lower panel 3. Further, an opening 4a is formed on the front surface of the grill base 4 to enable installation and service work of piping or wiring. The opening 4a is closed by the lower panel 3 when the installation / service work is not performed, and the appearance of the apparatus main body 1 is improved.

Further, in the example shown in FIG. 1, suction ports 7 of

suction grills

5 and 6 are provided on the left and right side surfaces of the apparatus main body 1 so as not to be noticeable when viewed from the front. As a result, when the shutter 11 is closed, as shown in FIGS. 1 and 2, there are few parts divided into parts on the front surface of the apparatus main body 1, and the appearance is excellent.

As shown in FIGS. 2 to 4, side covers 12 and 13 having the same width as the front-rear width of the side surfaces of the suction grills 5 and 6 are provided on both left and right sides in the width direction behind the shutter 11. As a result, the air conditioner 100 further improves the design.

As shown in FIG. 3, a louver unit 14 is arranged at the outlet 10. The louver unit 14 includes a plurality of horizontal louvers 15 that deflect the wind direction up and down, and a plurality of vertical louvers (not shown) that are arranged behind the horizontal louvers 15 and deflect the wind direction to the left and right. Then, by changing the inclination of the horizontal louver 15 and the vertical louver, the blowing direction blown out from the air outlet 10 can be adjusted according to the user's preference.

Next, the configuration other than the parts inside the apparatus main body 1 will be described with reference to FIG. The cabinet 1a of the apparatus main body 1 is composed of a left side surface 1SL, a right side surface 1SR, an upper surface 1H, a back surface 1B, and a pedestal 1G.

The louver unit 14 is attached to the cabinet 1a. A panel 16 is attached to the cabinet 1a. The panel 16 is provided under the louver unit 14, is arranged behind the shutter 11, and is attached to the cabinet 1a main body. The panel 16 is fixed to the cabinet 1a to strengthen the rigidity of the apparatus main body 1, and also attaches the base 17 of the shutter 11 described later.

FIG. 5 is an exploded perspective view for explaining the shutter 11 of the air conditioner 100 of FIG. FIG. 6 is an exploded perspective view for explaining the shutter 11 of the air conditioner 100 of FIG. FIG. 7 is a perspective view showing the rack 22 of the air conditioner 100 of FIG.

As shown in FIGS. 5 and 6, the shutter 11 is composed of a movable side 18 forming a design surface and a fixed side 19 attached to the rear panel 16. On the movable side 18 of the shutter 11, the

first rails

20 and 21 are attached to the back surface of the shutter body 11a by screwing or the like. The first rails 20 and 21 have a symmetrical shape that guides the shutter 11 up and down so as to open and close the shutter 11, and has a length equivalent to the length of the shutter 11 in the longitudinal direction. The first rails 20 and 21 are formed with rail grooves 34, which are grooves for guiding the first roller 30, which will be described later. A rack 22 is arranged on the back surface of the shutter body 11a between the

first rails

20 and 21, and is fastened with screws.

As shown in FIGS. 6 and 7, the rack 22 has upper and lower two rows of gears 24 that mesh with the teeth of the pinion 23 (see FIG. 8 and the like) described later at the left and right ends. Second rollers 25 made of ball bearings or the like are attached to the left and right of the upper and lower ends of the rack 22. The distance between the top and bottom of the rack 22 has substantially the same length as the moving distance of the shutter 11. By arranging the second roller 25 in parallel with the shutter 11, the second roller 25 is rotatably engaged with the second rail 26 described later while being pressed in the left-right direction, which is the width direction.

FIG. 8 is a perspective view showing the base 17 of the air conditioner 100 of FIG. As shown in FIG. 8, on the fixed side 19 of the shutter 11, a base 17 having a second rail 26 formed in the center from the upper end to the lower end, and bases at the left and right ends on the front surface of the base 17. A roller base 27 having a length equivalent to the length in the longitudinal direction of 17 is fastened with screws. A motor 28 arranged so that the pinion 23 is exposed is fastened with a screw from the back side of the base 17 near the central portion of the base 17. Further, the vertical opening / closing detection sensor 29 of the shutter 11 is arranged vertically apart by the moving distance of the shutter 11 and is attached to the back side of the base 17. The pinion 23 is rotated by the drive of the motor 28 to transmit the driving force of the motor 23 to the gears 24 of the rack 22 that mesh with each other, and slides the rack 22 along the second rail 26 of the base 17. ..

FIG. 9 is a perspective view showing the positional relationship between the second rail 26 and the first roller 30 in the roller base 27 of the air conditioner 100 of FIG. 1. As shown in FIG. 9, first rollers 30 are provided at both ends of the roller base 27 in the longitudinal direction, and the first rollers 30 are attached to the roller base 27 with screws 32 via spacers 31. ing. The first rollers 30 are arranged vertically apart by approximately the same distance as the length obtained by subtracting the moving distance of the shutter 11 from the length of the shutter 11, and have a structure that is rotatable around the spacer 31. .. By arranging the first roller 30 perpendicularly to the shutter 11, the first roller 30 is rotatably engaged with the rail grooves 34 of the

first rails

20 and 21 while being pressed in the front-rear direction, which is the depth direction. Rail.

FIG. 10 is a partial cross-sectional view showing the positional relationship between the second rail 26 and the second roller 25 of the air conditioner 100 of FIG. As shown in FIG. 10, the second roller 25 attached to the rack 22 is guided by the second rail 26 formed on the base 17, and has a structure capable of moving in the vertical direction of the shutter 11.

Next, an outline of the automatic opening / closing operation of the shutter 11 linked with the operation operation of the air conditioner 100 will be described. In this case, the opening / closing operation of the shutter 11 is controlled by a control unit (not shown), but the following description is omitted for convenience. First, when the power is turned on via an operating means such as a remote controller (not shown) or an operation panel provided on the device main body 1, the operation switch of the air conditioner 100 is turned on. Next, when the motor 28 is started and rotated and the rack 22 is lowered, the shutter 11 is lowered and the air outlet 10 is opened. Next, the vertical opening / closing detection sensor 29 detects that the shutter 11 is completely opened. At this time, when the vertical opening / closing detection sensor 29 detects that the shutter 11 is completely opened, the motor 28 stops. Then, the operation of the blower fan 2 is started, and cooling or heating is performed by a refrigerant cycle or the like (not shown).

When the operation of the air conditioner 100 is terminated, the operation switch of the air conditioner 100 is turned off from the remote controller or the like. Next, the operation of the blower fan 2 is stopped, and cooling or heating by the refrigerant cycle or the like is stopped. Next, the motor 28 is rotated in the reverse direction to raise the rack 22, and the shutter 11 is raised to close the air outlet 10. At this time, when the vertical opening / closing detection sensor 29 detects that the shutter 11 is completely closed, the motor 28 is stopped, and the operation of the air conditioner 100 is stopped until the next operation command is given.

As described above, the air conditioner 100 is provided with a shutter 11 that automatically and smoothly opens and closes, is excellent in design, and can prevent dust from flowing in from the air outlet 10.

Next, a structure that suppresses rattling of the shutter 11 in the front-rear direction will be described. FIG. 11 is a schematic view showing the positional relationship between the first roller 30 and the roller base 27 of the air conditioner 100 of FIG. 1 as viewed from the side.

As shown in FIG. 11, the rattling Z2 in the front-rear direction of the shutter 11 can be obtained as follows. That is, assuming that the rattling of the first roller 30 in the front-rear direction is Z1, the vertical distance between the first roller 30 is Y1, and the distance between the top surface of the shutter 11 and the lower first roller 30 is Y2. , Z2 = Z1 × Y2 / Y1.

In the air conditioner 100 of the first embodiment, the first roller 30 is arranged at the upper and lower ends of the roller base 27, and the distance Y1 between the upper and lower

first rollers

30 and 30 is set long. , Suppresses rattling Z2 in the front-back direction. Here, the distance Y1 between the

first rollers

30 and 30 is brought close to the distance obtained by subtracting the moving distance of the shutter 11 from the length of the shutter 11.

As described above, in the air conditioner 100 of the first embodiment, the distance between the upper first roller 30 and the lower first roller 30 attached to the roller base 27 is set to be long. , It is possible to suppress the rattling Z2 in the front-rear direction generated on the top surface of the shutter 11.

Next, a structure that suppresses rattling of the shutter 11 in the left-right direction will be described. FIG. 12 is a schematic view showing the positional relationship between the second rail 26 and the second roller 25 of the air conditioner 100 of FIG. 1 when viewed from the front.

As shown in FIG. 12, the rattling X2 in the left-right direction of the shutter 11 can be obtained as follows. That is, assuming that the left-right rattling of the second roller 25 is X1, the vertical distance between the second roller 25 is W1, and the distance between the top surface of the shutter 11 and the lower second roller 25 is W2, then X2. = It is obtained by the formula X1W2 / W1.

In the air conditioner 100 of the first embodiment, the second roller 25 is arranged at the upper and lower ends of the rack 22 and the distance W1 between the upper and lower

second rollers

25 and 25 is set long. Suppresses rattling X2 in the left-right direction. Here, the distance W1 between the

second rollers

25 and 25 is brought closer to the moving distance of the shutter 11.

As described above, in the air conditioner 100 of the first embodiment, the distance between the upper second roller 25 and the lower second roller 25 attached to the rack 22 is set to be long. It is possible to suppress the rattling X2 in the left-right direction that occurs on the top surface of the shutter 11.

As described above, the air conditioner 100 of the first embodiment includes an apparatus main body 1 having a suction port 7 and an outlet 10, and heat exchanges indoor air sucked from the suction port 7 with a heat exchanger. The air conditioner 100 blows out from the air outlet 10 into the room. The air conditioner 100 moves the shutter 11 downward to open the air outlet 10 during operation, and moves the shutter 11 upward to close the air outlet 10 when stopped. At this time, as a mechanism for moving the shutter 11 in the vertical direction, a pair of roller bases 27 having first rollers 30 provided at both ends in the longitudinal direction and each roller base 27 provided on both side portions in the width direction. It has a base 17 and. In addition, a pair of

first rails

20 and 21 provided on both sides of the shutter 11 and having rail grooves 34 for guiding the first roller 30 are provided. Further, it includes a pinion 23 that is rotated by driving a motor 28, and a rack 22 that is provided on the shutter 11 and has second rollers 25 at both ends in the longitudinal direction and is toothed to the pinion 23. Further, the base 17 has a pair of second rails 26 for guiding the second rollers 25, and the rack 22 has a pair of second rollers 25 arranged at both ends in the longitudinal direction in the width direction. have. Then, the first roller 30 presses the

first rails

20 and 21 in the depth direction of the shutter 11, and the second roller 25 presses the second rail 26 in the width direction of the shutter 11. ..

As a result, in the air conditioner 100 of the first embodiment, the rattling X2 generated in the left-right direction, which is the width direction when the shutter 11 is moved or stopped, is generated by the first roller 30 and the

first rails

20 and 21. Suppress with. Further, the rattling Z2 generated in the front-rear direction, which is the depth direction, is suppressed by the second roller 25 and the second rail 26. Therefore, the air conditioner 100 of the first embodiment suppresses rattling X2 and Z2 generated in the front-rear and left-right directions when the shutter 11 is moved or stopped, and the contact between the shutter 11 and peripheral parts generated by the rattling X2 and Z2. Can be prevented.

Embodiment 2.
In the first embodiment described above, the second roller 25 is attached to the rack 22, and the second rail 26 to which the second roller 25 is engaged while pressing in the left-right direction is formed on the base 17. Met. Here, the second roller 25 is attached to the base 17, and the second rail 33 to which the second roller 25 is engaged while pressing in the left-right direction is attached to the shutter body 11a, whereby the top of the shutter 11 is reached. The second embodiment for suppressing the rattling of the surface in the left-right direction will be described.

FIG. 13 is an exploded perspective view for explaining the shutter 11 of the air conditioner 100 according to the second embodiment. FIG. 14 is a perspective view showing the base 17 of the air conditioner 100 according to the second embodiment. FIG. 15 is a schematic view showing the positional relationship between the second rail 33 and the second roller 25 of the air conditioner 100 according to the second embodiment as viewed from above. FIG. 16 is a schematic view showing the positional relationship between the second rail 33 and the second roller 25 of the air conditioner 100 according to the second embodiment as viewed from the front.

As shown in FIG. 13, the movable side 18 of the shutter 11 includes a

first rail

20 and 21 that guide the shutter 11 up and down so as to open and close the shutter 11 on the back surface of the shutter body 11a, and a pair of second rails 33. Is attached by screw fastening or the like. The first rails 20 and 21 and the pair of second rails 33 have symmetrical shapes and have a length equivalent to the length of the shutter 11 in the longitudinal direction. The first rails 20 and 21 include rail grooves 34 formed to guide the first roller 30. Then, the rack 22 arranged between the

first rails

20 and 21 is fastened to the back surface of the shutter main body 11a with screws.

As shown in FIG. 14, the fixed side 19 of the shutter 11 includes a base 17 and a second roller 25 composed of ball bearings or the like attached to the left and right of the upper and lower end portions on the front surface side of the base 17. There is. The distance between the upper second roller 25 and the lower second roller 25 has substantially the same length as the distance obtained by subtracting the moving distance of the shutter 11 from the length of the shutter 11. Further, roller bases 27 having a length equivalent to the length in the longitudinal direction of the base 17 are fastened to the left and right ends of the front surface of the base 17 with screws. Then, a motor 28 arranged in a state where the pinion 23 is exposed is fastened with a screw from the back side of the base 17 near the central portion of the base 17. Further, the vertical opening / closing detection sensor 29 of the shutter 11 is arranged vertically apart by the moving distance of the shutter 11 and is attached to the back side of the base 17.

As shown in FIG. 15, the second roller 25 attached to the base 17 is guided by the second rail 33 attached to the shutter body 11a and can move in the vertical direction of the shutter 11.

Next, a structure for suppressing rattling of the shutter 11 in the left-right direction will be described.
As shown in FIG. 15, the rattling X2 in the left-right direction of the shutter 11 can be obtained as follows. That is, assuming that the left-right rattling of the second roller 25 is X1, the vertical distance between the second roller 25 is W1, and the distance between the top surface of the shutter 11 and the lower second roller 25 is W2, then X2. = It is calculated by the formula X1W2 / W1.

In the air conditioner 100 of the second embodiment, the rattling X2 is caused by arranging the second roller 25 at the upper and lower ends of the base 17 and increasing the distance W1 between the upper and lower second rollers 25. suppress. Here, the distance W1 between the second rollers 25 is brought closer to the distance obtained by subtracting the moving distance of the shutter 11 from the length of the shutter 11.

As described above, in the air conditioner 100 of the second embodiment, by setting a long vertical distance between the second rollers 25 attached to the base 17, the left-right direction generated on the top surface of the shutter 11 I am trying to suppress the rattling X2. Therefore, it is possible to suppress the rattling X2 generated in the left-right direction of the top surface of the shutter 11 as compared with the air conditioner 100 of the first embodiment described above. Further, as described above, by suppressing the left and right rattling X2 generated on the top surface of the shutter 11, contact with peripheral parts generated when the shutter 11 is stopped or operated is more than that of the air conditioner 100 of the first embodiment. Can be suppressed.

Embodiment 3.
The air conditioner 100 of the first and second embodiments described above suppresses contact with peripheral parts generated when the shutter 11 is stopped or operated, and then the front-rear direction of the shutter 11 when the shutter 11 is stopped. The third embodiment for suppressing the rattling of the above will be described.

FIG. 17 is a schematic view showing the positional relationship between the roller base 27 and the first roller 30 in the shutter stopped state of the air conditioner 100 according to the third embodiment. FIG. 18 is a schematic view showing the positional relationship between the roller base 27 and the first roller 30 in the shutter operating state of the air conditioner 100 according to the third embodiment. FIG. 19 is a schematic view showing the positional relationship between the

first rails

20 and 21 of the air conditioner 100 according to the third embodiment and the first roller 30.

In the case of the third embodiment, as shown in FIGS. 17 to 19, the rail grooves 34 of the

first rails

20 and 21 that guide the first roller 30 project in a direction in which the groove width becomes narrower. A convex portion 35 is provided. The convex portion 35 is arranged at a position where the first roller 30 stops in a closed state of the air outlet 10 which is a stopped state of the shutter 11 or an open state of the air outlet 10. At this time, the number of the convex portions 35 installed may be singular or plural. Further, as shown in FIG. 19, when a plurality of convex portions 35 are provided, the arrangement interval is set to a distance equal to the moving distance of the shutter 11.

As described above, in the air conditioner 100 of the third embodiment, when the shutter 11 stops at the stop position, the groove widths of the

first rails

20 and 21 through which the first roller 30 passes are narrowed by the convex portion 35. .. As a result, the air conditioner 100 of the third embodiment suppresses rattling of the shutter 11 in the front-rear direction when the shutter 11 is stopped. Therefore, in the air conditioner 100 of the third embodiment, it is possible to suppress rattling of the shutter 11 in the front-rear direction when the shutter 11 is stopped.

1 device body, 1a cabinet, 2 blower fan, 3 lower panel, 4 grill base, 4a opening, 5 suction grill, 6 suction grill, 7 suction port, 8 filter, 9 filter, 10 outlet, 11 shutter, 11a shutter Main body, 12 side covers, 14 louver units, 15 horizontal louvers, 16 panels, 17 bases, 18 movable sides, 19 fixed sides, 20 first rails, 22 racks, 23 pinions, 24 gears, 25 second rollers, 26 Second rail, 27 roller base, 28 motor, 29 vertical opening / closing detection sensor, 30 first roller, 31 spacer, 32 screw, 33 second rail, 34 rail groove, 35 convex part, 100 air conditioner.

Claims

It is an air conditioner provided with a main body having a suction port and an air outlet, and the indoor air sucked from the suction port is heat-exchanged by a heat exchanger and blown out from the air outlet into the room.
It has a shutter that opens the outlet during operation and closes the outlet when stopped.
The shutter is
A pair of roller bases provided with first rollers arranged in the depth direction at both ends in the longitudinal direction,
A base in which the roller bases are provided on both sides in the width direction, and
A pair of first rails provided on both sides of the base to guide the first roller, and
A pinion provided on the base and rotated by the drive of a motor,
A rack provided facing the base and toothed to the pinion.
The base has a pair of second rails that guide the second roller.
The rack has a pair of second rollers arranged in the width direction at both ends in the longitudinal direction.
The first roller presses the first rail in the depth direction of the shutter.
The second roller is an air conditioner that presses the second rail in the width direction of the shutter.
The distance between the first rollers in the longitudinal direction of each roller base is brought close to the distance obtained by subtracting the moving distance of the shutter from the longitudinal length of the shutter, and the rack is said to be the first in the longitudinal direction. The air conditioner according to claim 1, wherein the distance between the two rollers is brought closer to the moving distance of the shutter.
The air conditioner according to claim 1, wherein the second roller is attached to the base and the second rail is attached to the shutter.
The air conditioner according to any one of claims 1 to 3, wherein a convex portion protruding in a direction of narrowing the width of the groove is provided at a stop position of the shutter in the groove of the first rail. ..