JP2993436B2 - Air outlet structure of air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air outlet structure of an air conditioner having an air outlet provided with a horizontal flap rotating vertically.

[0002]

2. Description of the Related Art Conventionally, as an air conditioner, a heat exchanger 42 and a fan 43 are provided in a casing 41 as shown in FIG. The horizontal flap 51 which blows out the air sucked from the air outlet 50 and swings vertically.
There is a thing which changes the wind direction of the air blown up and down. In the air outlet structure of the air conditioner, the horizontal flap 51 is directed upward so that the cool air is directed upward during the cooling operation, and the horizontal flap 51 is directed downward such that the warm air is directed downward during the heating operation. And when the operation is stopped,
By rotating the horizontal flap 51 in the direction of arrow R4,
The outlet 50 is closed.

[0003]

However, in the air outlet structure of the air conditioner, in order to secure the swing trajectory of the horizontal flap 51, the operation of the drain pan 45 arranged below the heat exchanger 42 is limited. A gap is formed between the upper edge of the air outlet 50 and the horizontal flap 51 at the time of stoppage, and there is a disadvantage that the appearance is impaired.

[0004] It is an object of the present invention to provide an air conditioner with an air outlet structure in which the air outlet can be fully closed when the operation is stopped to improve the appearance of the air conditioner, and the air flow during the cooling / heating operation can be improved to improve the comfort. Is to provide.

[0005]

According to a first aspect of the present invention, there is provided an air conditioner having an air outlet structure provided with a horizontal flap which rotates vertically. In the above, the air outlet is rotatably supported above the outer edge of the air outlet, and moves downward to completely close the air outlet together with the horizontal flap when stopped, and the cool air blown out from the air outlet during the cooling operation is directed upward. When the horizontal flap is rotated, it moves upward when the horizontal flap is rotated, and moves downward when the horizontal flap is rotated so that the warm air blown out from the outlet during heating operation is directed downward. It is characterized by having an upper diffuser to control.

According to the air outlet structure of the air conditioner of the first aspect, when the operation is stopped, the upper diffuser is moved downward, and the air outlet can be completely closed by the horizontal flap and the upper diffuser without any gap. It does not impair the aesthetics during shutdown. In addition, by moving the upper diffuser upward during the cooling operation, it is easy to blow out the cool air upward so that the entire room can be uniformly cooled. Since the warm air is easily blown downward so that the wind reaches, and the rise of the warm air is suppressed, the airflow during the cooling / heating operation can be improved, and the comfort can be improved.

According to a second aspect of the present invention, there is provided an air conditioner having a cam gear having a gear portion and a cam portion coaxially connected to an output shaft of a motor. And a flap gear that meshes with the gear portion of the cam gear and is coaxially connected to a horizontal flap shaft attached to the horizontal flap, and an upper diffuser attached to the upper diffuser according to rotation of the cam gear. The shaft is rotated, the upper diffuser is rotated about the upper diffuser shaft, and a link mechanism for moving the upper diffuser in the vertical direction is provided.The horizontal flap is configured to close the air outlet when stopped. When rotated, the upper diffuser rotates downward, and the cooling air blown out from the air outlet during the cooling operation. When the horizontal flap is turned so that the upper side is turned upward, the upper diffuser is turned upward, and when the horizontal flap is turned so that the warm air blown out from the outlet during the heating operation is turned downward, the upper diffuser is turned upward. The cam portion of the cam gear has a cam shape so that the diffuser rotates downward.

According to the air outlet structure of the air conditioner of the second aspect, when the motor is driven, the cam gear whose gear is connected to the output shaft of the motor rotates, and the cam gear is meshed with the gear of the cam gear. The flap gear shaft rotates to rotate the horizontal flap in the vertical direction about the horizontal flap shaft. In conjunction with the horizontal flap, the link mechanism rotates the upper diffuser shaft in accordance with the rotation of the cam portion of the cam gear, and moves the upper diffuser in the vertical direction. At this time, based on the cam shape of the cam portion of the cam gear, when the horizontal flap is rotated so as to close the air outlet when the operation is stopped, the upper diffuser is rotated downward, and the horizontal flap is cooled during the cooling operation. When the horizontal flap is turned so that the warm air is turned downward during the heating operation, the upper diffuser is turned downward while the upper diffuser is turned upward when the air conditioner is turned upward. Therefore, using the cam gear, the flap gear and the link mechanism, the upper diffuser can be easily moved up and down in accordance with the movement of the horizontal flap. realizable.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an air outlet structure of an air conditioner according to the present invention will be described in detail with reference to the illustrated embodiments.

FIG. 1 is a cross-sectional view of a main part showing an air outlet structure of an air conditioner according to an embodiment of the present invention. The air conditioner is installed at a high position on a wall surface of a room and an indoor heat source (not shown). The conditioned air conditioned by the exchanger is blown out from the outlet 10 at the lower front by a blower fan.

In FIG. 1, reference numeral 1 denotes a drain pan having an outlet 10 formed on a lower side, 2 denotes a front panel attached to the upper front side of the drain pan 1, and 3 denotes a vertical substantially perpendicular to the outlet 10 of the drain pan 1. A plurality of flap supporting plates (only one is shown in FIG. 1) are provided on the horizontal flap rotatably supported by an arm 3a extending obliquely downward and forward from the flap supporting plate 3, and a drain pan 1 is provided. Is an upper diffuser having a U-shaped cross section rotatably supported above the air outlet 10.

FIG. 4 is an exploded perspective view showing a driving mechanism of the horizontal flap 4 and the upper diffuser 5. Bosses 32, 32 provided on one side wall 1 a of the drain pan 1 and protruding outward are provided with the drain pan 1. A fixing base 6 for fixing a light receiving unit (not shown) is attached to the side wall 1a of the base unit 1 by screws 31. A horizontal flap shaft 16 is fixed to a bracket 17 provided at one end of the horizontal flap 4, and the horizontal flap shaft 16 is connected to the drain pan 1.
Is rotatably fitted in a fitting hole 35 provided in the side wall 1a of the main body. Fitting hole 16 of shaft 16 for horizontal flap
Insert and fit the tip 15a of the flap gear 15 into a
The horizontal flap shaft 16 and the flap gear 15 are coaxially connected. The tip 15 of the flap gear 15
A shaft portion 14b provided at a position eccentric from the center of the cam case 14 is fitted into a fitting hole 15b provided on the side opposite to the side a, and the flap gear 15 is rotatably supported by the shaft portion 14b of the cam case 14. ing. The gear portion 13b of the cam gear 13 in which the cam portion 13a is sandwiched between the cam case 14 and the cam case cover 12 meshes with the flap gear 15. A cylindrical fitting portion 13c is provided on the opposite side of the gear portion 13b of the cam gear 13, and the output shaft 11a of the stepping motor 11 is fitted into the fitting portion 13c. The output shaft 11a is connected coaxially. On the other hand, the gear portion 1 of the cam gear 13
A cylindrical shaft portion 13d provided at the tip of 3b is rotatably fitted into a fitting hole 36 provided in the side wall 1a of the drain pan 1.

An outer peripheral surface of a cylindrical portion 21a formed at one end of the link 21 is in sliding contact with the cam surface of the cam portion 13a of the cam gear 13, and one end of an arm 22 is rotatably connected to the other end of the link 21. doing. A cylindrical portion 22a is provided at the other end of the arm 22, and the cylindrical portion 22a is rotatably fitted into a fitting hole 37 provided in the side wall 1a of the drain pan 1. An upper diffuser shaft 24 provided at one end of the upper diffuser 5 is fitted and fixed in a fitting hole (not shown) provided in the cylindrical portion 22a of the arm 22. Although not shown, an upper diffuser shaft is similarly provided at the other end of the upper diffuser 5, and the upper diffuser 5 is rotatably supported at both ends. Further, the arm 22 is urged in a counterclockwise direction in FIG. 1 by a link spring 23 inserted into the cylindrical portion 22a of the arm 22. The two ends of the cylindrical portion 21a of the link 21 are connected to the long hole 12a provided in the cam case cover 12 and the long hole 14a provided in the cam case 14.
Guided by.

A motor 11, a cam case cover 12, a cam gear 13, a cam case 14, a flap gear 15, a link 21, an arm 22, and a link spring 23 are provided on bosses 34, 34 provided on the side wall 1a of the drain pan 1 and projecting outward.
Are attached by screws 33,33. The horizontal flap 4 is provided with a plurality of brackets 19 (only one is shown in FIG. 4) rotatably supported by pins 18 on the arms 3a of the flap support plate 3 shown in FIG.

In the air outlet structure of the air conditioner having the above structure, when the operation is stopped (see FIG. 1), the cylindrical portion 21a of the link 21 slides on the cam surface of the cam portion 13a of the cam gear 13 with the smallest diameter, and the cam case The lowermost point of the elongated hole 12 a of the cover 12 and the elongated hole 14 a of the cam case 14, that is, located at the shaft side of the cam gear 13.

When the cooling operation is started from the operation stop state, the motor 11 is driven to rotate the cam gear 13 clockwise, and the flap gear 15 meshing with the gear portion 13b of the cam gear 13 rotates counterclockwise. Then, the horizontal flap 4 rotates in the direction of arrow R1 shown in FIG. 2 to make the wing surface of the horizontal flap 4 substantially horizontal. At this time, the clockwise rotation of the cam gear 13 causes the cylindrical portion 21a of the link 21 to slidably contact the largest diameter cam surface of the cam portion 13a of the cam gear 13, so that the long hole 12a of the cam case cover 12 and the long hole of the cam case 14 It moves to the uppermost point of 14a, that is, the side opposite to the axis of the cam gear 13. When the arm 22 rotates clockwise by the driving force transmitted through the link 21, the upper diffuser shaft 24 rotates clockwise against the urging force of the link spring 23,
The upper diffuser 5 is rotated in the direction of the arrow R2 shown in FIG. In this way, the wing surface of the horizontal flap 4 is made substantially horizontal, and the upper diffuser 5 is moved upward to be stored in the main body, and the blowout direction of the cool air blown out from the blowout port 10 is directed upward.

When the heating operation is started from the operation stop state shown in FIG.
Is rotated counterclockwise, the gear portion 1 of the cam gear 13 is rotated.
The flap gear 15 meshing with 3b rotates clockwise,
The horizontal flap 4 is rotated in the direction of arrow R3 shown in FIG. 3 to make the wing surface of the horizontal flap 4 substantially vertical. At this time,
The counterclockwise rotation of the cam gear 13 causes the cylindrical portion 21a of the link 21 to slidably contact the smallest-diameter cam surface of the cam portion 13a of the cam gear 13, and the oblong hole 12 of the cam case cover 12
a and the lowest point of the long hole 14a of the cam case 14 remains.
Therefore, the link mechanism between the link 21 and the arm 22 does not move, leaving the upper diffuser 5 as it is, and narrowing the upper side of the outlet 10. In this way, the wing surface of the horizontal flap 4 is made substantially vertical, and the upper diffuser 5 is moved downward to take it out of the main body, and the direction of the warm air blown out from the outlet 10 is directed downward.

The state of the cooling operation shown in FIG. 2 or FIG.
When the operation is stopped from the state of the heating operation, as shown in FIG. 1, the horizontal flap 4 and the upper diffuser 5 prevent the upper edge of the air outlet 10 and the horizontal flap 4 from having a gap.

Therefore, when the operation is stopped, the horizontal flap 4
And the upper diffuser 5 completely closes the outlet 10,
The appearance when the operation is stopped can be beautiful, and the aesthetic appearance is not impaired. Also, during cooling operation, raise the upper diffuser 5,
In addition to making it easier to blow out the cold air upward, the upper diffuser 5 is lowered during the heating operation to suppress the rise of the hot air, so that the airflow can be improved and the comfort can be improved.

The cam gear 13, flap gear 1
5, the up and down movement of the upper diffuser 5 is easily performed according to the movement of the horizontal flap 4 by using the link 21 and the arm 22, etc., thereby realizing a simple structure and a low-cost air conditioner air outlet structure. can do.

In the above embodiment, the cam gear 13,
The upper diffuser 5 is moved up and down in response to the movement of the horizontal flap 4 by the drive mechanism using the flap gear 15, the link 21, the arm 22, and the like. However, the drive mechanism of the upper diffuser is not limited to this. It is.

Further, in the above embodiment, the cam gear 13 has the cam portion 13a and the gear portion 13b formed integrally, but the cam gear may be a cam and a gear manufactured separately connected by a shaft.

[0023]

As is apparent from the above description, the air outlet structure for an air conditioner according to the first aspect of the present invention is an air conditioner having an air outlet provided with a horizontal flap rotating vertically. The upper diffuser rotatably supported above the outer edge of the outlet moves downward so as to fully close the outlet together with the horizontal flap when stopped, and the cool air blown out from the outlet during cooling operation is directed upward. When the horizontal flap rotates, it moves upward when the horizontal flap rotates, and moves downward when the horizontal flap rotates so that the warm air blown out from the outlet during heating operation becomes downward.

Therefore, according to the air outlet structure of the air conditioner of the first aspect of the present invention, when the operation is stopped, the upper diffuser is moved downward to eliminate the gap between the upper diffuser and the upper edge of the air outlet. It can be fully closed, the appearance when the operation is stopped can be beautiful, and the appearance is not spoiled. Also,
By moving the upper diffuser upward during cooling operation, it is easier to blow out cool air upward, and by moving the upper diffuser downward during heating operation to suppress the rise in warm air, improve airflow and improve comfort. be able to.

According to a second aspect of the present invention, there is provided an air conditioner according to the first aspect of the present invention, wherein when the motor is driven, the gear portion is connected to the output shaft of the motor. The horizontal flap gear shaft meshing with the gear portion of the cam gear rotates, and the horizontal flap rotates vertically around the horizontal flap shaft, and the cam gear moves in conjunction with the movement of the horizontal flap. The upper diffuser shaft was rotated by the link mechanism in accordance with the rotation of the cam portion, and at this time, based on the cam shape of the cam portion of the cam gear, the horizontal flap was rotated so as to close the air outlet when the operation was stopped. When the upper diffuser is turned downward and the horizontal flap is turned so that the cool air is directed upward during cooling operation, the upper diffuser is turned upward. While for moving, when the horizontal flap warm air is rotated so as to be downwardly during the heating operation,
The upper diffuser is turned downward.

Therefore, according to the air outlet structure of the air conditioner according to the second aspect of the present invention, the upper diffuser is used according to the movement of the horizontal flap by using the motor, the cam gear, the flap gear, the upper diffuser shaft and the link mechanism. Therefore, it is possible to realize a low-cost air conditioner air outlet structure with a simple structure.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a main part showing an air outlet structure of an air conditioner according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a main part during a cooling operation of the air outlet structure of the air conditioner.

FIG. 3 is a cross-sectional view of a main part of the air outlet structure of the air conditioner during a heating operation.

FIG. 4 is an exploded perspective view showing a driving mechanism of a horizontal flap and an upper diffuser of an air outlet structure of the air conditioner.

FIG. 5 is a cross-sectional view of a main part of an air outlet structure of a conventional air conditioner.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Drain pan, 2 ... Front panel, 3 ... Flap support plate, 4 ... Horizontal flap, 5 ... Upper diffuser, 6 ... Fixed base, 10 ... Outlet, 11 ... Stepping motor, 12 ... Cam case cover, 13 ... Cam gear, 14 cam case, 15 flap gear, 16 shaft for horizontal flap, 17 bracket, 18 pin, 19 bracket, 21 link, 22 arm, 23 link spring, 24 shaft for upper diffuser.

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-5-133597 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) F24F 13/14

Claims (2)

(57) [Claims] An air conditioner having an air outlet provided with a horizontal flap (4) rotatable in a vertical direction at an air outlet, wherein the air flap is rotatably supported above an outer edge portion of the air outlet, and is stopped when stopped. The horizontal flap moves downward together with the horizontal flap (4) so as to completely close the air outlet, and the horizontal flap is directed upward so that the cool air blown out from the air outlet during the cooling operation is directed upward.
When the horizontal flap (4) is rotated so that the warm air blown out from the outlet during heating operation is directed downward, the air flow blown out from the outlet is moved. An air outlet structure for an air conditioner, comprising an upper diffuser (5) to be controlled. 2. The air outlet structure of an air conditioner according to claim 1, wherein the gear portion (13) is coaxially connected to an output shaft of the motor (11).
b) a cam gear (13) having a cam portion (13a); and a shaft (16) for a horizontal flap (16) meshing with a gear portion (13b) of the cam gear (13) and attached to the horizontal flap (4). Flap gear coaxially connected to
(15), an upper diffuser shaft attached to the upper diffuser (5) according to the rotation of the cam gear (13).
By rotating (24), the upper diffuser (5) is rotated around the upper diffuser shaft (24),
A link mechanism (21, 22) for moving the upper diffuser (5) in the vertical direction;
When the (4) pivots, the upper diffuser (5) pivots downward, and when the horizontal flap (4) pivots so that the cool air blown out from the outlet during the cooling operation is upward, the upper diffuser (5) rotates. When the horizontal flap (4) rotates so that the diffuser (5) rotates upward and the warm air blown out from the outlet during the heating operation is downward, the upper diffuser (5) rotates downward. The air outlet structure of the air conditioner, wherein the cam shape of the cam portion (13a) of the cam gear (13) is formed as described above.