AIR CONDITIONER

Abstract

 In order to provide a ceiling-embedded air conditioner with which drafts can be prevented while controlling the airflow direction, this air conditioner is equipped with: a main body part in which discharge openings are formed; louvers (16) positioned near the discharge openings; and flap mechanisms (18) that guide, in a prescribed direction, air the airflow direction of which has been adjusted by the louvers (16) . A guiding part of the flap mechanisms (18) can move to a first position in which the discharge opening is closed, and a second position, in which the air the airflow direction of which has been adjusted by the louver (16) is received.

Description

Technical Field

[0001] The present invention relates to a ceiling-embedded air conditioner.

Background Art

[0002] As a ceiling-embedded air conditioner that is installed so as to be embedded in a ceiling of a room, there is a ceiling-embedded air conditioner in which a suction opening sucking indoor air and a discharge opening discharging air sucked from the suction opening are formed so as to open downward. As such an air conditioner, there are air conditioners that have a function to prevent air, which is discharged from a discharge opening, from being directly applied to a person present below the air conditioner (so-called drafts) and a function to suppress the contamination of a ceiling (so-called smudging).

[0003] As an air conditioner having a function to prevent drafts, there is an air conditioner disclosed in, for example, PTL 1 that significantly lowers a louver for controlling an airflow direction provided on an outlet at the time of start of an operation to prevent drafts and to suppress the smudging of a ceiling surface.

Citation List

Patent Literature

[0004] [PTL 1] Japanese Unexamined Patent Application Publication No. 2010-32062

Summary of Invention

Technical Problem

[0005] However, since the air conditioner disclosed in PTL 1 controls the airflow direction by only the louver that is significantly lowered from the outlet, the airflow direction between the outlet and the louver cannot be controlled. Accordingly, there is a possibility that drafts cannot be reliably prevented since air discharged from the outlet cannot be reliably received by the louver.

[0006] Further, since the surface of a decorative panel continuously extends up to the ceiling from the outlet in the air conditioner disclosed in PTL 1, a part of the air discharged from the outlet reaches the ceiling along the surface of the decorative panel. For this reason, there is a possibility that the smudging of the ceiling surface cannot be sufficiently suppressed.

[0007] The present invention has been made in consideration of the above-mentioned circumstances, and an object of the present invention is to provide a ceiling-embedded air conditioner that can prevent drafts while controlling an airflow direction.

[0008] Further, an object of the present invention is to provide a ceiling-embedded air conditioner that can suppress the smudging of a ceiling while controlling an airflow direction. Solution to Problem

[0009] In order to solve the above-mentioned problems, the air conditioner of the present invention employs the following means.

[0010] That is, an air conditioner according to an aspect of the present invention is a ceiling-embedded air conditioner discharging air, which is sucked from a suction opening, from a discharge opening. The air conditioner includes: a main body part in which the suction opening and the discharge opening are formed; a louver that is supported by the main body part, is disposed near the discharge opening, and adjusts an airflow direction of the air discharged from the discharge opening; and a flap mechanism that is supported by the main body part and includes a guide part guiding the air, of which the airflow direction has been adjusted by the louver, in a prescribed direction. The guide part is movable to a first position where the guide part is positioned near the louver and closes the discharge opening and a second position where the guide part is positioned below the discharge opening and receives the air of which the airflow direction has been adjusted by the louver.

[0011] In the above-mentioned structure, the guide part of the flap mechanism can be moved to the first position where the guide part is positioned near the louver and the second position where the guide part is positioned below the discharge opening. Accordingly, the guide part can be easily moved by a short distance from a position near the louver to the second position where the guide part easily receives the airflow of the louver. Therefore, since the guide part can suitably receive air sent from the louver, drafts can be prevented.

[0012] Further, in the above-mentioned structure, the louver is provided near the discharge opening and the airflow direction of air discharged from the discharge opening can be adjusted by the louver. Accordingly, the discharged air can be sent in a desired direction.

[0013] Further, in the air conditioner according to the aspect of the present invention, the main body part may include a panel portion that is connected to the discharge opening and extends along the ceiling in a downstream direction of the air discharged from the discharge opening, and the guide part may extend along the panel portion and may be movable to a third position where at least a downstream end portion, which is an end portion of the guide part in the downstream direction, is positioned below the panel portion.

[0014] Since the guide part of the flap mechanism extends along the panel portion in the above-mentioned structure, a part of air discharged from the discharge opening flows along the lower surface of the guide part in a case in which the guide part is positioned at the third position. Since at least the downstream end portion of the guide part is positioned below the panel portion at this time, it is difficult for the air flowing along the lower surface of the guide part to flow toward the ceiling. Accordingly, since the convection of air near the ceiling can be suppressed, the smudging of the ceiling can be suppressed.

[0015] Further, in the air conditioner according to the aspect of the present invention, the downstream end portion of the guide part, which is positioned at the third position, may be positioned on the side corresponding to the downstream direction from one end of the panel portion in the downstream direction.

[0016] In the above-mentioned structure, the downstream end portion of the guide part, which is positioned at the third position, is positioned on the side corresponding to the downstream direction from one end of the panel portion in the downstream direction. Accordingly, in a case in which the guide part of the flap mechanism is positioned at the third position, it is more difficult for the air flowing along the lower surface of the guide part to flow toward the ceiling. Therefore, it is possible to prevent the air from flowing along the surface of the panel portion. Accordingly, since the convection of air near the ceiling can be reliably suppressed, the smudging of the ceiling can be suppressed.

[0017] Further, in the air conditioner according to the aspect of the present invention, the louver may include a louver-support end portion that is supported by the main body part and a free end portion that is an opposite end of the louver-support end portion, and the free end portion may be movable up and down about the louver-support end portion as a fulcrum, the guide part may include the downstream end portion that is an end portion positioned on the side corresponding to the downstream direction of the air discharged from the discharge opening and an upstream end portion that is an opposite end of the downstream end portion, and the upstream end portion of the guide part, which is positioned at the second position, may be positioned on a side corresponding to an upstream direction, which is a direction opposite to the downstream direction, from a downward extension line of the louver that is obtained when the free end portion is positioned at the lowermost position.

[0018] In the above-mentioned structure, the upstream end portion of the guide part, which is positioned at the second position, is positioned on the side corresponding to the upstream direction from the downward extension line of the louver that is obtained when the free end portion is positioned at the lowermost position. Accordingly, in a case in which the guide part is positioned at the second position, the air flowing along the surface of the louver is reliably received by the guide part without flowing downward from a side that is positioned on the side corresponding to the upstream direction from the upstream end portion of the guide part. Therefore, drafts, which occur during the operation of the air conditioner, can be reliably prevented.

[0019] Furthermore, in the air conditioner according to the aspect of the present invention, the flap mechanism may include a rotational drive unit that is fixed to the main body part, a first arm part that includes a first support end portion supported by the rotational drive unit and a first connection end portion, which is an opposite end of the first support end portion, and a second arm part that includes a second connection end portion rotatably connected to the first connection end portion and a second support portion, which is an opposite end of the second connection end portion and supports the guide part.

[0020] In the above-mentioned structure, the rotational drive unit is driven first to rotationally move the first arm part about the first support end portion in a case in which the guide part of the flap mechanism is to be moved. In a case in which the first arm part is rotationally moved, the second arm part rotatably connected to the first arm part is moved. Accordingly, the guide part fixed to the second arm part is moved. Therefore, since the guide part can be moved by one rotational drive unit in the above-mentioned structure, the flap mechanism can be made to be simpler and more inexpensive than that in a case in which a plurality of drive units are used.

[0021] Further, in the air conditioner according to the aspect of the present invention, the first arm part may be positioned so as to extend downward in a vertical direction when the guide part is positioned at the second position.

[0022] In the above-mentioned structure, the guide part is positioned at the second position when the first arm part supported by the rotational drive unit is positioned so as to extend downward in the vertical direction, that is, in the direction of gravity. Accordingly, even though the rotational drive unit is not driven, the guide part can be positioned at the second position. Therefore, a structure that positions the guide part at the second position can be realized at low cost. Further, since the second arm part hangs down due to its own weight and can position the guide part at the second position even though the rotational drive unit cannot be driven due to a breakdown or the like, drafts can be prevented.

Advantageous Effects of Invention

[0023] According to the present invention, it is possible to prevent drafts while controlling an airflow direction.

[0024] Further, it is possible to suppress the smudging of a ceiling while controlling an airflow direction.

Brief Description of Drawings

[0025] 

Fig. 1 is a perspective view showing the entire air conditioner according to an embodiment of the present invention and shows a state in which a part of the air conditioner is cut out.

Fig. 2 is a schematic side view of main parts of the air conditioner of Fig. 1 and shows a state in which a guide part is positioned at a first position.

Fig. 3 is a schematic side view of main parts of the air conditioner of Fig. 1 and shows a state in which the guide part is positioned at a second position.

Fig. 4 is a schematic side view of main parts of the air conditioner of Fig. 1 and shows a state in which the guide part is positioned at a third position.

Fig. 5 is a schematic view of main parts of the air conditioner of Fig. 1 and shows a state in which the free end portion of a louver is positioned at the lowermost position. Description of Embodiments

[0026] An embodiment of the present invention will be described below with reference to drawings.

[0027] A perspective view of an air conditioner 1 according to this embodiment, which is viewed obliquely from below, is shown in Fig. 1. Flap mechanisms 18 (for example, see Fig. 2) are not shown in Fig. 1. The air conditioner 1 according to this embodiment is a ceiling-embedded air conditioner that is installed so as to be embedded in a ceiling 30 of a room, and includes a main body part 2 as shown in Fig. 1. The main body part 2 includes a unit main body 3 and a panel main body 4 that is provided at the lower portion of the unit main body 3. The panel main body 4 is provided with four discharge openings 15.

[0028] The unit main body 3 is a rectangular box body which is installed in the ceiling 30 and of which a lower portion is opened. The unit main body 3 includes a turbofan 5 that is installed at a central portion in the unit main body 3, a heat exchanger 6 that is disposed so as to surround the turbofan 5 and is formed so as to be bent in a quadrangular shape, a drain pan 7 that is disposed at the lower portion of the heat exchanger 6, a discharge air passage 8 that is formed between the peripheral wall of the drain pan 7 and the inner peripheral surface of the unit main body 3, a bell mouth 9 that is disposed on the suction side of the turbofan 5, and the like. The air conditioner 1 is connected to an outdoor unit (not shown) through two refrigerant pipes 10, which are formed of a liquid pipe and a gas pipe, and electrical wiring 11.

[0029] The panel main body 4, which is installed so as to cover the lower surface of the unit main body 3 and is called a ceiling panel or a decorative panel, is formed of a panel having a substantially square shape. A suction opening 12, which is an opening used to suck indoor air, is provided at the central portion of the panel main body 4, and a suction grill 13 is installed on the suction opening 12. An air filter (not shown) is installed on the inner surface of the suction grill 13. For the purpose of the replacement or cleaning of the air filter, wires 14, a lifting/lowering motor (not shown), and the like are installed on the panel main body 4 to be freely lifted and lowered so that the air filter is lowered to a position close to the floor surface of the room. An automatic air filter-cleaning mechanism may be built in to automatically clean the air filter.

[0030] Further, four discharge openings 15, which correspond to four sides of the panel main body 4, are provided at the panel main body 4 in four directions so as to surround the suction opening 12 for indoor air. Each of the discharge openings 15 is adapted so that air, which is sucked from the suction opening 12 and is cooled or heated by the heat exchanger 6, is discharged into the room as air-conditioned air.

[0031] Furthermore, the panel main body 4 includes panel portions 17. The panel portions 17 are connected to the discharge openings 15 and extend outward from the outer ends of the discharge openings 15 along the ceiling 30 (see Fig. 2). The upper surface of each panel portion 17 is in contact with the ceiling 30, and the lower surface of each panel portion 17 is curved so that the thickness of the panel portions 17 is reduced in a downstream direction.

[0032] A louver 16 is provided near each of the discharge openings 15 provided in the four directions. Since the four louvers 16 have the same structure, one louver 16 will be described below. The louver 16 adjusts the discharge direction (airflow direction) of the air discharged from the discharge opening 15. A louver-support end portion 16a, which is supported by a motor for a louver (not shown), is provided at one end of the louver 16, and a free end portion 16b of the louver-support end portion 16a is provided at an opposite end of the louver 16. The louver 16 is rotatably supported by the panel main body 4 through the motor for a louver, and can be moved so that the free end portion 16b is rotated about the louver-support end portion 16a only at a prescribed angle . The four louvers 16 can be moved independently of each other.

[0033] Further, a flap mechanism 18 is provided near each of the discharge openings 15 provided in the four directions. Since four flap mechanisms 18 have the same structure, one flap mechanism 18 will be described below. As shown in Figs. 2 to 4, the flap mechanism 18 includes a motor (rotational drive unit) 19 that is fixed to the panel main body 4, a first arm part 20 that is supported by the motor 19, a second arm part 21 that is connected to the first arm part 20, and a guide part 22 that is supported by the second arm part 21. The guide part 22 of the flap mechanism 18 can be moved to a first position (Fig. 2) where the guide part 22 is positioned near the louver 16 and closes the discharge opening, a second position (Fig. 3) where the guide part 22 is positioned below the discharge opening and receives air of which the airflow direction has been adjusted by the louver 16, and a third position (Fig. 4) where the guide part 22 extends outward along the panel portion 17.

[0034] A first support end portion 20a, which is rotatably supported by the motor 19, is provided at one end of the first arm part 20, and a first connection end portion 20b, which is connected to the second arm part 21, is provided at an opposite end of the first arm part 20. The first arm part 20 linearly extends to the first connection end portion 20b from the first support end portion 20a. A second connection end portion 21a, which is rotatably connected to the first arm part 20, is provided at one end of the second arm part 21, and a second support end portion 21b, which supports the guide part 22, is provided at an opposite end of the second arm part 21. The second arm part 21 linearly extends to the second support end portion 21b from the second connection end portion 21a. The guide part 22 has the shape of a plate and guides the air, of which the airflow direction has been adjusted by the louver 16, in the prescribed direction. An actuator or the like is not mounted at a connecting portion between the first connection end portion 20b and the second connection end portion 21a, and the second arm part 21 maintains a state in which the second arm part 21 extends in a substantially vertical direction due to gravity even though the first arm part 20 is rotationally moved.

[0035] Each of the motor for a louver and the motor 19 having been described above is formed of a servo motor, and is driven by a controller (not shown). The controller obtains the rotation angles of the motor for a louver and the motor 19, and controls the rotation angles according to a prescribed sequence. The controller includes, for example, a central processing unit (CPU), a random access memory (RAM), a read only memory (ROM), a computer-readable storage medium, and the like. Further, since a series of processing for realizing various functions is stored in a storage medium or the like in the form of a program by way of example, various functions are realized in a case in which the CPU reads the program on the RAM or the like and processing/calculation of information is performed. A form in which a program is installed in a ROM or other storage medium in advance, a form in which a program is provided as a form in which a program is stored in a computer-readable storage medium, a form in which a program is delivered through wired or wireless communication means, and the like may be applied to the program. The computer-readable storage medium is a magnetic disk, a magneto-optical disk, a CD-ROM, a DVD-ROM, a semiconductor memory, or the like.

[0036] Next, the operations of the louver 16 and the flap mechanisms 18 of this embodiment will be described with reference to Figs. 2 to 5. A two-dot chain line shown in Figs. 3 to 5 indicates the position of the louver 16 during the stop of an operation.

[0037] Fig. 2 shows a state in which the operation of the air conditioner 1 is stopped. In the state in which the operation of the air conditioner 1 is stopped, as shown in Fig. 2, the motor 19 supports the first arm part 20 so that the first arm part 20 extends inward downward in a state in which the motor 19 generates a drive force in a clockwise direction in Fig. 2, and the guide part 22 is positioned at the first position that is a position where the guide part 22 closes the discharge opening 15. In this case, the louver 16 is positioned above the guide part 22, and the free end portion 16b is positioned near the upper surface of the guide part 22.

[0038]  In a case in which the operation of the air conditioner 1 is started and the guide part 22 is to be moved to the second position from the first position, the motor 19 gradually reduces a drive force. In a case in which the drive force of the motor 19 is gradually reduced, the first arm part 20 is rotated counterclockwise in Fig. 2 by gravity and is rotationally moved so that the first connection end portion 20b is moved down about the first support end portion 20a from a state in which the first arm part 20 extends inward downward. In a case in which the drive force of the motor 19 is removed, the first arm part 20 is in a state in which the first arm part 20 extends in a vertical direction and the guide part 22 supported by the first arm part 20 through the second arm part 21 is positioned at the second position (see Fig. 3). In a case in which the movement of the guide part 22 is completed, the motor for a louver is driven and the louver 16 is rotated about the louver-support end portion 16a to allow the free end portion 16b to be moved down and is moved to a prescribed position. The inner end (the left end in Fig. 3) of the guide part 22, which is positioned at the second position, is positioned close to the inside than a downward extension line L1 of the louver 16 that is obtained when the free end portion 16b of the louver 16 is positioned at the lowermost position (see Fig. 5) . The movement of the louver 16 may not be performed after the completion of the movement of the guide part 22, and may be performed simultaneously with the movement of the guide part 22. Further, the guide part 22 can also be moved to the first position from the second position. In this case, the flap mechanism 18 performs an operate reverse to the above-mentioned movement of the guide part 22 to the second position from the first position.

[0039] In a case in which the guide part 22 is to be moved to the third position from the second position, the motor 19 starts to be driven. The motor 19 rotates the first arm part 20, which extends in the vertical direction, counterclockwise in Fig. 3 to rotationally move the first arm part 20 into a state in which the first arm part 20 extends outward in a horizontal direction. In a case in which the first arm part 20 is rotationally moved, the second arm part 21 connected to the first arm part 20 is also moved and the guide part 22 supported by the second arm part 21 is moved to the third position (see Fig. 4) . The outer end of the guide part 22, which is positioned at the third position, is positioned on the outside of a line L2 that extends downward from the outer end of the panel portion 17 in the vertical direction. The guide part 22 can also be moved to the second position from the third position. In this case, the flap mechanism 18 performs an operate reverse to the above-mentioned movement of the guide part 22 to the third position from the second position.

[0040] Next, the flow of air, which is discharged from the discharge opening 15 of this embodiment, will be described.

[0041] In a case in which the guide part 22 is positioned at the second position as shown in Fig. 3, the airflow direction of air sucked from the suction opening 12 is adjusted near the discharge opening 15 by the louver 16 as shown in Fig. 3 by an arrow. The air of which the airflow direction has been adjusted by the louver 16 is received by the upper surface of the guide part 22 positioned below the louver 16, and is guided in a direction where the guide part 22 extends. In a case in which the guide part 22 is positioned at the third position, as shown in Fig. 4 by an arrow, a part of the air discharged from the discharge opening 15 flows along the lower surface of the guide part 22 after flowing along a part of the lower surface of the panel portion 17 from the outer end of the discharge opening 15.

[0042] The action and effect of the above-mentioned air conditioner 1 of this embodiment will be described.

[0043] In the above-mentioned structure, the louver 16 is provided near the discharge opening 15 and the airflow direction of air discharged from the discharge opening 15 can be adjusted by the louver 16. Accordingly, the discharged air can be sent in a desired direction.

[0044] Further, in the above-mentioned structure, the guide part 22 of the flap mechanism 18 can be moved to the first position that is a position near the louver 16 and the second position that is present below the discharge opening 15. Accordingly, the guide part 22 can be easily moved by a short distance from a position near the louver 16 to the second position where the guide part 22 easily receives the airflow of the louver 16. Therefore, since the guide part 22 can suitably receive air sent from the louver 16, drafts can be prevented.

[0045] In the above-mentioned structure, a part of the air discharged from the discharge opening 15 flows along the lower surface of the guide part 22 in a case in which the guide part 22 is positioned at the third position (see Fig. 4). Since the guide part 22 is positioned below the panel portion 17 at this time, it is difficult for the air flowing along the lower surface of the guide part 22 to flow toward the ceiling 30. Accordingly, since the convection of air near the ceiling 30 can be suppressed, the smudging of the ceiling 30 can be suppressed.

[0046] In the above-mentioned structure, the outer end portion of the guide part 22, which is positioned at the third position, is positioned on the outside of the outer end of the panel portion 17. Accordingly, in a case in which the guide part 22 of the flap mechanism 18 is positioned at the third position, it is more difficult for the air flowing along the lower surface of the guide part 22 to flow toward the ceiling 30. Therefore, it is possible to prevent the air from flowing along the surface of the panel portion 17. Accordingly, since the convection of air near the ceiling 30 can be reliably suppressed, the smudging of the ceiling 30 can be suppressed.

[0047] In the above-mentioned structure, the inner end portion of the guide part 22, which is positioned at the second position, is positioned on the inside of the downward extension line L1 of the louver 16 that is obtained when the free end portion 16b is positioned at the lowermost position as shown in Fig. 5. Accordingly, in a case in which the guide part 22 is positioned at the second position, the air flowing along the surface of the louver 16 is reliably received by the guide part 22 without flowing downward from a side that is positioned on the inside of the inner end portion of the guide part 22. Therefore, drafts, which occur during the operation of the air conditioner, can be reliably prevented.

[0048] In the above-mentioned structure, the motor 19 is driven first to rotationally move the first arm part 20 about the first support end portion 20a in a case in which the guide part 22 of the flap mechanism 18 is to be moved. In a case in which the first arm part 20 is rotationally moved, the second arm part 21 rotatably connected to the first arm part 20 is moved. Accordingly, the guide part 22 fixed to the second arm part 21 is moved. Therefore, since the guide part 22 can be moved by one motor 19 in the above-mentioned structure, the flap mechanism 18 can be made to be simpler and more inexpensive than that in a case in which a plurality of motors are used.

[0049] In the above-mentioned structure, the guide part 22 is positioned at the second position when the first arm part 20 supported by the motor 19 is positioned so as to extend downward in the vertical direction, that is, in the direction of gravity. Accordingly, even though the motor 19 is not driven, the guide part 22 can be positioned at the second position. Therefore, a structure that positions the guide part 22 at the second position can be realized at low cost. Further, since the second arm part 21 hangs down due to its own weight and can position the guide part 22 at the second position even though the motor 19 cannot be driven due to a breakdown or the like, drafts can be prevented.

[0050] The motor 19 has been used as a component for driving the first arm part 20 in this embodiment, but the component for driving the first arm part 20 is not limited thereto. The component for driving the first arm part 20 may be an actuator other than the motor 19, and may be a component that can manually drive the first arm part 20.

Reference Signs List

[0051] 

1:

air conditioner

2:

main body part

12:

suction opening

15:

discharge opening

16:

louver

16a:

louver-support end portion

16b:

louver free end portion

17:

panel portion

18:

flap mechanism

19:

motor (rotational drive unit)

20:

first arm part

20a:

first support end portion

20b:

first connection end portion

21:

second arm part

21a:

second connection end portion

21b:

second support end portion

22:

guide part

30:

ceiling

Claims

1. A ceiling-embedded air conditioner discharging air, which is sucked from a suction opening, from a discharge opening, the air conditioner comprising:

a main body part in which the suction opening and the discharge opening are formed;

a louver that is supported by the main body part, is disposed near the discharge opening, and adjusts an airflow direction of the air discharged from the discharge opening; and

a flap mechanism that is supported by the main body part and includes a guide part guiding the air, of which the airflow direction has been adjusted by the louver, in a prescribed direction,

wherein the guide part is movable to a first position where the guide part is positioned near the louver and closes the discharge opening and a second position where the guide part is positioned below the discharge opening and receives the air of which the airflow direction has been adjusted by the louver.

2. The air conditioner according to Claim 1,
wherein the main body part includes a panel portion that is connected to the discharge opening and extends along the ceiling toward a side corresponding to a downstream direction of the air discharged from the discharge opening, and
the guide part extends along the panel portion, and is movable to a third position where at least a downstream end portion, which is an end portion of the guide part in the downstream direction, is positioned below the panel portion.

3. The air conditioner according to Claim 2, wherein the downstream end portion of the guide part, which is positioned at the third position, is positioned on the side corresponding to the downstream direction from one end of the panel portion in the downstream direction.

4. The air conditioner according to any one of Claims 1 to 3,
wherein the louver includes a louver-support end portion that is supported by the main body part and a free end portion that is an opposite end of the louver-support end portion, and the free end portion is movable up and down about the louver-support end portion as a fulcrum,
the guide part includes a downstream end portion that is an end portion positioned on the side corresponding to the downstream direction of the air discharged from the discharge opening and an upstream end portion that is an opposite end of the downstream end portion, and
the upstream end portion of the guide part, when positioned at the second position, is positioned on a side corresponding to an upstream direction, which is a direction opposite to the downstream direction, from a downward extension line of the louver that is obtained when the free end portion is positioned at the lowermost position.

5. The air conditioner according to any one of Claims 1 to 4,
wherein the flap mechanism includes

a rotational drive unit that is fixed to the main body part,

a first arm part that includes a first support end portion supported by the rotational drive unit and a first connection end portion, which is an opposite end of the first support end portion, and

a second arm part that includes a second connection end portion rotatably connected to the first connection end portion and a second end support portion, which is an opposite end of the second connection end portion and supports the guide part.

6. The air conditioner according to Claim 5,
wherein the first arm part is positioned so as to extend downward in a vertical direction when the guide part is positioned at the second position.

Drawing