JP3438756B2 - 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 conditioner,
More specifically, the present invention relates to a structure of a drive unit that allows the upper and lower wind direction plates to be substantially parallel to each other when the upper and lower wind direction plates are rotated from a stop position with the outlets closed to a substantially vertical position.

[0002]

2. Description of the Related Art A conventional air conditioner is shown, for example, in FIG.
As shown in (B) and FIGS. 7 (A) and (B), a heat exchanger 3 and a blower fan 4 are provided in the air passage that connects the suction port 2 and the blowout port 5 in the main body 1, and the blowout port is provided. 5, a plurality of left and right air flow direction plates 6 and two up and down air flow direction plates 7 and 8 having support shafts 7a and 8a separated vertically and front and back are rotatably supported, and the outlet 5
A drive unit 10 for driving both the vertical airflow direction vanes 7 and 8 is provided on at least one side wall, and a diffuser 9 constituting a lower portion of the air outlet 5 is rotatably supported.

With the above structure, the drive unit 10 is shown in FIG.
The drive motor 11 shown by broken lines in FIG. 7B and FIG.
And a drive gear 11a provided on the drive shaft of the drive motor 11,
The intermediate gear 12 that meshes with the drive gear 11a and the intermediate gear 12
A male and female having a fitting hole and a fitting piece for joining the flat surfaces, each of which has a flat surface on at least one side for meshing with and connecting to the first support shaft 7a of the upper and lower wind direction plate 7 The first driven gear 13 provided with the first connecting portion and the second supporting shaft 8a of the lower vertical airflow direction plate 8 each have a flat surface portion on at least one side, and the same flat surface portion is provided. And a second driven gear 14 provided with a male and female second connecting portion consisting of a fitting hole and a fitting piece to be joined, driving the drive motor 11, and engaging the intermediate gear 12 meshed with the drive gear 11a. 6A and 6B by driving the first driven gear 13 and the second driven gear 14 from the stop position of the both upper and lower wind direction plates 7 and 8 with the outlet 5 closed. , Fig. 7
As shown in (A) and (B), both the vertical airflow direction vanes 7 and 8 were rotated toward the vertical position.

However, when the air outlets 5 are closed, the both upper and lower airflow direction vanes 7, 8 are stopped at the stop positions.
Since the angles of the vertical wind direction plates 7 and 8 are different from each other, when the vertical wind direction plates 7 and 8 are rotated toward the vertical position, as shown in FIGS. In parallel with each other and continuously in the vertical position.
Since 8 cannot be made parallel, there is a problem that it is difficult to effectively blow air downward.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and is different when the air outlet is closed.
Two vertical wind vanes that stop at a certain angle
When turned, the two vertical wind vanes are almost parallel in the horizontal position.
And, in the vertical position, keep both the upper and lower wind direction plates.
An object is to provide an air conditioner that can be made substantially parallel .

[0006]

In order to solve the above problems, a heat exchanger and a blower fan are provided in an air passage connecting an inlet and an outlet, and the outlets are closed at different angles.
An air conditioner that rotatably rotatably supports two vertical wind direction plates that are stopped, and a drive unit that drives the both vertical wind direction plates is provided on at least one side wall of the air outlet. A drive motor, a drive gear provided on a drive shaft of the drive motor, and an intermediate gear meshing with the drive gear,
It meshes with the same intermediate gear and
The gear connected to one of the upper and lower wind direction plates and the intermediate gear
One of the upper and lower wind direction plates, which is meshed with the gear connected to the other upper and lower wind direction plate of the two upper and lower wind direction plates.
In the meshing part between the gear connected to either one and the intermediate gear
As well as providing irregularities, the concave portions form gaps on both sides of the convex portions.
It is characterized by having and holding .

Further, a heat exchanger and a blower fan are provided in an air passage connecting the suction port and the air outlet, and the support shafts are vertically and vertically separated from each other so that the air outlet is stopped at different angles.
That two of the vertical airflow direction plate is pivotally supported on the air outlet, wherein a both vertically driving the wind direction plate formed by providing a driving unit air conditioner in at least one sidewall of said air outlet, said drive unit includes a drive motor, a drive gear provided on the drive shaft of the drive motor, an intermediate gear meshing with the drive gear, the upper portion of the vertical airflow direction plates with meshes in the intermediate gear
A first driven gear which is connected to and meshed with the intermediate gear
Together with a second driven gear connected to the lower vertical wind direction plate , and the meshing of the first driven gear and the intermediate gear.
In addition to providing unevenness on the part, the concave part is on both sides of the convex part.
Is held with a gap .

[0008]

[Operation] With the above configuration , when the air outlet is closed
Orient two vertical wind vanes that stop at different angles to a vertical position.
The upper and lower wind direction plates in a horizontal position
Both vertical wind vanes in a row and then in a vertical position
It becomes an air conditioner that can be made almost parallel .

[0009]

EXAMPLE FIG. 1 (A) (B), FIG. 2 (A) (B), FIG.
(A) (B), Fig. 4, HYPERLINK "D: \ Kazuyoshi Watanabe Backup \ Intermediate support history \ Intermediate support \ Patent application 7-27326
4 (December 2, 2002) \ 000007.gif "\ t" djgrp "Figure 5
In (A) and (B), 1 is an indoor unit body of an air conditioner,
Reference numeral 2 denotes a front cover detachably attached to the main body 1 and a suction port provided on an upper surface of the main body 1, and 3 denotes an air passage connecting the suction port 2 and a blow-out port described later. A heat exchanger for exchanging heat with the air sucked in through the suction port 2, a blower fan 4 provided in the air passage for sending out the heat-exchanged air to an outlet described later, and a heat exchanger 3 for exchanging heat with the heat exchanger 3. A blower outlet for blowing the generated air into the room, 6 is rotatably supported on the lower rear portion of the blower outlet 5 and is provided with a plurality of left and right wind direction plates for adjusting the left and right wind direction, 7 and 8
Is rotatably supported by the first support shaft 7a and the second support shaft 8a on both side walls of the air outlet 5 in front of the left and right air flow direction plate 6 and has two upper and lower parts for adjusting the vertical air direction. Up and down wind direction plate, 9
Is a diffuser that constitutes the lower part of the blowout port 5.

The diffuser 9 constitutes the lower part of the outlet 5 and is rotatably provided.
As a result, during the cooling operation, when the upper and lower wind direction plates 7 and 8 are rotated toward the vertical position, the diffuser 9 is simultaneously rotated downward as shown in FIG. Is configured to be effectively delivered downward.

Reference numeral 10 denotes an outlet 5 in front of the left and right wind direction plates 6.
Is a drive unit which is provided on at least one side wall for driving and rotating both the vertical airflow direction vanes 7, 8. 11
Is a drive motor that constitutes the drive unit 10. The drive motor 11 has a configuration in which a stepping motor is adopted so as to drive both the vertical airflow direction vanes 7 and 8 and rotate at a predetermined rotation angle. There is. 11a is a drive gear provided on the drive shaft of the drive motor 11, the drive gear 11a,
The upper and lower airflow direction vanes 7 and 8 are rotated by meshing with an intermediate gear to be described later and linking the intermediate gear with a first driven gear and a second driven gear to be described later.

Numeral 12 is an intermediate gear which constitutes the drive unit 10 and meshes with the drive gear 11a. The intermediate gear 12 drives the drive motor linked by the drive gear 11a.
The driving force of 11 is linked to a first driven gear and a second driven gear, which will be described later, so that both the vertical airflow direction vanes 7 and 8 are rotated. As shown in FIG. 4, the intermediate gear 12
A recess 12a is formed in this. The recess 12a is
Since it is formed integrally with the intermediate gear 12, the dimensions and shape are
Is finished with high accuracy and cost effective
Has become.

Reference numeral 13 denotes a first driven gear which is provided with a first connection portion with the first support shaft 7a which rotatably supports the upper and lower wind direction plate 7 and which meshes with the intermediate gear 12. When the first driven gear 13 is driven, the upper vertical wind direction plate 7 connected by the first connecting portion is rotated. As shown in FIG. 4, the first driven gear 13
Keeps a gap in the recess 12a of the intermediate gear 12
A convex portion 13a is formed so as to be held.

[0014] In the uneven portion, a recessed portion have a gap a convex portion
To stop and keep at different angles when closing the air outlet
The two upper and lower wind direction vanes 7 and 8 are rotated from a horizontal position to be substantially parallel to each other, and subsequently can be rotated to a vertical position to be substantially parallel to each other.
At the same time, the diffuser 9 is rotated downward so that the air can be effectively blown downward. In addition, the concave
Part is the intermediate gear, and the convex part 13a is the first driven gear.
By being integrally formed with the 13, the size and shape can be accurately finished and the structure is advantageous in terms of cost.

The first support shaft 7a and the first driven gear
The first connecting portion with 13 and the second connecting portion with the second support shaft 8a and the second driven gear 14 each have a flat surface portion on at least one side, and a fitting hole for joining the same flat surface portion. And a fitting piece, whereby the first driven gear is
The rotations of 13 and the second driven gear 14 are surely transmitted to the first support shaft 7a and the second support shaft 8a so that the upper and lower two upper and lower wind direction plates 7 and 8 can be accurately rotated. It is composed.

[0016]

According to the present invention as described above, according to the present invention, the air outlet
Two vertical wind vanes that stop at different angles when closed
When rotating toward the position, both the vertical wind direction plates are in the horizontal position.
On top of both sides in a vertical position.
It is an air conditioner that allows the downwind vanes to be almost parallel .

[Brief description of drawings]

FIG. 1 is a cross-sectional view of an air conditioner according to the present invention, (A) shows a stop position where both upper and lower wind direction plates close the air outlet, and (B).
Indicates a drive unit for driving both the upper and lower wind direction plates.

FIG. 2 is a sectional view of an essential part of the air conditioner according to the present invention,
(A) shows a state in which both vertical wind direction plates are rotated to a horizontal position, and (B) shows a drive unit for driving both vertical wind direction plates.

FIG. 3 is a sectional view of an essential part of an air conditioner according to the present invention,
(A) shows a state in which both vertical wind direction plates are rotated to a vertical position, and (B) shows a drive unit for driving both vertical wind direction plates.

FIG. 4 shows a first embodiment as shown in FIGS.
FIG. 4B is a perspective view showing the intermediate gear and the first driven gear according to FIGS.

FIG. 5 shows, as a second embodiment, FIGS.
3B is an explanatory diagram showing the intermediate gear, the first driven gear, and the second driven gear according to FIG. 3B, where FIG. 3A shows a stop position in which both upper and lower wind direction plates close the air outlet, and FIG. Indicates a state of being rotated to a vertical position.

FIG. 6 is a cross-sectional view of an air conditioner according to a conventional example, (A) shows a stop position in which both upper and lower wind direction plates close the air outlet, and (B).
Indicates a drive unit for driving both the upper and lower wind direction plates.

FIG. 7 is a sectional view of a main part of an air conditioner according to a conventional example,
(A) shows a state in which both vertical wind direction plates are rotated to a vertical position, and (B) shows a drive unit for driving both vertical wind direction plates.

[Explanation of symbols]

1 Air conditioner body 2 Suction port 3 heat exchanger 4 Blower fan 5 outlet 6 Left and right wind direction plate 7 Upper and lower wind direction plate 7a Upper and lower wind direction plate support shaft 8 Lower vertical wind direction plate 8a Support shaft for the vertical wind direction plate at the bottom 9 diffuser 10 drive unit 11 Drive motor 11a Drive gear 12 Intermediate gear 12a Intermediate gear recess 13 First driven gear 13a Convex portion of first driven gear 14 Second driven gear

─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) F24F 13/00-13/18 F24F 1/00-1/02

Claims (2)

(57) [Claims] 1. A heat exchanger and a blower fan are provided in an air passage connecting the suction port and the air outlet, which is different when closing the air outlet.
An air conditioner comprising two upper and lower wind direction plates which are stopped at a certain angle and which is rotatably supported, and a drive unit which drives the both upper and lower wind direction plates on at least one side wall of the air outlet. The drive unit includes a drive motor, a drive gear provided on the drive shaft of the drive motor, an intermediate gear that meshes with the drive gear, and two vertical wind directions that mesh with the intermediate gear.
With one gear connected to the vertical airflow direction plates of the plate, the
It meshes with the intermediate gear and the other of the upper and lower wind direction plates
One of the upper and lower wind direction plates and the gear connected to one of the upper and lower wind direction plates
Concavity and convexity are provided in the meshing part with the gear and the concave part
An air conditioner characterized in that both sides of the convex portion are held with a gap . 2. A heat exchanger and a blower fan are provided in an air passage connecting an inlet and an outlet, and a support shaft is vertically and longitudinally separated from each other, and when the outlet is closed, two sheets are stopped at different angles. Is an air conditioner rotatably pivotally supporting the vertical airflow direction plate to the air outlet, and a drive unit for driving the both vertical airflow direction plates is provided on at least one side wall of the air outlet, the drive unit comprising: a drive motor, a drive gear provided on the drive shaft of the drive motor, an intermediate gear meshing with the drive gear, is connected to the upper portion of the vertical airflow direction plates with meshes in the intermediate gear
A first driven gear and a second driven gear that meshes with the intermediate gear and is connected to the lower airflow direction plate at the lower portion, and unevenness is formed in the meshing portion between the first driven gear and the intermediate gear.
The recess has a gap on both sides of the protrusion.
An air conditioner characterized by being held by holding it .