JPH09287763A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent condensate from being produced on the sides of right and left air deflectors oppositely disposed on both sides of a cross flow fan and prevent a connection pin and connection plate for connecting a plurality of right and left air deflectors from protruding into a blowoff port. SOLUTION: The air conditioner includes a heat exchanger 3 and at least one cross flow fan 4 in an air passage interconnecting a suction port 2 and a blowoff port 5, and at least one vertical air deflector 7, 8 and a plurality of right and left air deflectors 6 are provided in a blowoff port 5. In this case, the forward ends of the right and left air deflectors 6 oppositely disposed approximately on both sides of the fan 4 are directed to both sides of the port 5 with respect to the other right and left air deflectors, and the right and left air deflectors including these are connected by a connection plate 10 so as to be rotatably supported.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner, and more particularly, to prevent dew condensation on left and right airflow direction vanes facing substantially both sides of a crossflow fan and to connect a plurality of left and right airflow direction vanes. The present invention relates to a structure in which a connecting pin and a connecting plate for preventing the protruding of the connecting pin and the connecting plate to the outlet.

[0002]

2. Description of the Related Art A conventional air conditioner is, for example, shown in FIG.
As shown in FIG. 4 (B) and FIG. 5, a heat exchanger 3 and a plurality of cross-flow fans 4 are provided in an air passage connecting the suction port 2 and the air outlet 5 in the main body 1, The support shaft portion hanging down from the upper surface 5a of the air outlet 5 supports the support shaft 7a in the vertical and forward and backward directions.
And the upper and lower wind direction plates 7 and 8 separated from each other are rotatably supported, and the bush 9 is held by the support shaft hole 5b provided on the upper surface 5a. 6
A connecting pin 6c provided on the left and right wind direction plates 6 and rotatably supported by a support shaft 6a with a head provided on the head and having a slit 6b.
The connecting plate 10 is connected by means of the connecting plate 10 and the plurality of left and right airflow direction plates 6 are interlocked by the connecting plate 10.

With the above structure, the air sucked from the suction port 2 is heat-exchanged by the heat exchanger 3, and the left and right wind direction plates 6
To adjust the wind direction in the left and right direction.
By adjusting the wind direction in the up and down direction, the cross flow fan 4 sends the air out of the air outlet 5 into the room for air conditioning.

However, the cross flow fan 4
Has a characteristic that it is hard to wake up on both sides thereof, and when the left / right airflow direction plate 6 is rotated as shown in FIG. Since the side portion of the plate 6 is narrowed and the amount of air passing therethrough is reduced, there is a problem that the air in the room flows into the side portion to cause dew condensation a.

Further, the connecting pin 6c and the connecting plate 10
Has a structure protruding to the air outlet 5, so that air resistance is generated by the connecting pin 6c and the connecting plate 10 at the air outlet 5, and the efficiency of air blowing is reduced, or noise is generated. It had the problem of being lost.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and prevents dew condensation on the side portions of the left and right airflow direction vanes that face substantially both sides of the crossflow fan, and It is an object of the present invention to provide an air conditioner in which a connecting pin and a connecting plate that connect the left and right wind direction plates do not project to the air outlet.

[0007]

In order to solve the above problems, a heat exchanger and at least one crossflow fan are provided in an air passage connecting an inlet and an outlet, and at least the outlet is provided. In an air conditioner provided with one vertical airflow direction vane and a plurality of left and right airflow direction vanes, the left and right airflow direction vanes facing substantially both sides of the cross flow fan, and the front end with respect to the other left and right airflow direction vanes The left and right wind direction plates including these are connected to each other by a connecting plate and are rotatably supported.

Further, a first locking piece is hung on the rear portion of the upper surface of the air outlet, and a second locking piece having a locking hole is hung on the front portion of the upper surface. A support plate having locking portions and a plurality of through holes, which are opposed to each other, is provided on the stopper, and the through hole of the support plate has a shaft hole at a base end portion and the left and right wind direction plates are connected at a tip end portion of the stop plate. A bush having an arm in which a pin is erected is rotatably pivotally supported, and a support shaft of the left and right wind direction plates is fitted in the shaft hole of the bush, and the first locking piece and the second locking piece The both locking portions are locked to each other, and the bush, the connecting pin, and the connecting plate are housed between the upper surface of the outlet and the support plate.

The left and right airflow direction vanes facing substantially both sides of the crossflow fan are fixed to the other left and right airflow direction vanes with their front ends facing both sides of the air outlet, and left and right airflow vanes other than the fixed right and left airflow direction vanes are fixed. The wind direction plate is connected by a connecting plate so as to be pivotally supported.

Further, a first locking piece is hung on the rear portion of the upper surface of the air outlet, and a second locking piece having a locking hole is hung on the front portion of the upper surface. A supporting plate having engaging portions and a plurality of through holes, which face each other, is provided on the stop piece, and the through holes of the supporting plate have a shaft hole at the base end and are fixed to the tip end other than the left and right wind direction plates. A bush having an arm in which a connecting pin that connects the left and right wind direction plates is erected is rotatably supported, and the support shafts of the left and right wind direction plates other than the left and right wind direction plates fixed in the shaft holes of the bush are fitted. , The first locking piece and the second locking piece are locked with the both locking portions, and the bush and the connecting pin and the connecting plate are between the upper surface of the outlet and the support plate. It is configured to be housed in.

Further, at least one flat portion is provided and fitted in the shaft hole and the support shaft.

The locking portion facing the first locking piece is formed into a bifurcated shape, and the locking portion facing the locking hole of the second locking piece is formed into a convex shape. As a configuration in which the bifurcated locking portion is locked to the first locking piece and the convex locking portion is locked to the locking hole to fix the support plate to the outlet. There is.

Further, a first head portion having a diameter larger than that of the support shaft is provided at the tip end of the support shaft of the left and right wind direction plates connected by the connection plate, and the first head and the support shaft are provided. In addition, a first slit having an open top is provided.

Further, a second head having a larger diameter than that of the connecting pin is provided at the tip of the connecting pin, and a second slit having an upper opening is formed on the second head and the connecting pin. The configuration is provided.

Further, the connecting pin and the second head are formed integrally with the bush by a synthetic resin having a sliding property.

[0016]

With the above-described structure, it is possible to prevent dew condensation from occurring on the side portions of the left and right airflow direction vanes that substantially face each other on both sides of the crossflow fan, and to connect the plurality of left and right airflow direction vanes. Also, the air conditioner is configured so that the connecting plate does not project to the air outlet.

[0017]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1A and 1B, and FIG.
In FIGS. 3A to 3D, 1 is an indoor unit main body of an air conditioner, 2 is a front cover detachably attached to the main body 1 and an upper surface portion of the main body 1. Suction port, 3
Is provided in an air passage connecting the suction port 2 and a blowout port described later, and a heat exchanger 4 for exchanging heat with the air sucked from the suction port 2 is provided in the air passage, and the heat-exchanged air is provided. The plurality of cross flow fans 5 for delivering the air to the air outlet described later are air outlets for blowing out the air heat-exchanged by the heat exchanger 3 toward the room.

On the upper surface 5a of the air outlet 5, a first locking piece 5b hanging from the rear part of the upper surface 5a and a second locking piece 5c having a locking hole 5d hanging from the front part are integrally formed. Is formed in.

The lower end of the first locking piece 5b is configured to lock a bifurcated locking part provided on the rear portion of a support plate described later, and the second locking piece 5b. Inside the 5c, a flange formed on the front portion of a support plate described later is abutted, and a convex locking portion described later provided on the flange is locked in the locking hole 5d, and a support plate described later is provided. Is fixed in a position separated from the upper surface 5a in a state substantially parallel to the upper surface 5a.

Reference numeral 6 denotes a plurality of left and right airflow direction plates rotatably supported by through holes provided in a support plate of the air outlet 5 which will be described later, and the plurality of left and right airflow direction plates 6 are connected by a connection plate described later. It is configured such that the wind direction in the left-right direction at the air outlet 5 can be adjusted by rotating the air outlet.

A support shaft 6a is provided on the upper part of the left and right air flow direction plate 6 so that the left and right air flow direction plate 6 can be rotated around the support shaft 6a. 6a is
A first head portion having a larger diameter than that of the support shaft 6a is provided at the upper end thereof, and the first head and the support shaft 6a are provided with a first slit 6b having an upper opening. ing.

Since the support shaft 6a is provided with the first head portion and the first slit 6b, the support shaft 6a can be easily inserted and held in a shaft hole of a bush to be described later so as to accurately support the shaft. Has become.

Further, the first head portion has a first inclined portion having a curved surface or a flat surface formed at the tip thereof, whereby the first head portion and the support shaft 6a are connected to a bush described later. The shaft hole allows easy insertion.

7 and 8 are rotatably supported by the first support shaft 7a and the second support shaft 8a at the air outlet 5 in front of the left and right wind direction plate 6 to adjust the vertical wind direction. It is the upper and lower two wind direction plates.

Reference numeral 9 is shown in FIGS. 1B and 3A to 3A.
As shown in (C), the first head and the support shaft 6a
With a plurality of bushes equipped with a shaft hole 9a corresponding to
The shaft hole 9a of the bush 9 and the support shaft 6a each have a structure having at least one flat portion, whereby the bush 9 is joined by joining and fitting both flat portions. When rotated in conjunction with a connecting plate, which will be described later, the left and right wind direction plate 6 is accurately rotated so that the left and right wind direction can be adjusted.

An arm having a connecting pin 9b provided upright at the tip is integrally formed on one side of the upper portion of the bush 9, and the connecting pin 9b is inserted into a connecting hole of a connecting plate described later. And the bushes 9 are connected to each other, and the left and right airflow direction plates 6 are rotated via the bushes 9.

Further, the connecting pin 9b is
A second head portion having a larger diameter than that of the connecting pin 9b is provided, and the second head portion and the connecting pin 9b are also provided.
In addition, the second slit 9c having an open upper portion is provided, whereby the connecting pin 9b can be easily inserted and held in a connecting hole of a connecting plate described later to accurately support the shaft. It has a structure that

Further, the second head has a curved or flat second inclined portion at the tip thereof, whereby the second head and the connecting pin 9b are connected to each other as described later. It is configured so that it can be easily inserted through the connecting hole of the plate.

The connecting pin having the second head portion
9b has a structure integrally formed with the bush 9, whereby the size and shape are accurately finished and the cost is advantageous.

Further, the connecting pin having the second head portion.
9b and the bush 9 are made of, for example, a synthetic resin having a sliding property such as polypropylene, so that the connecting pin 9b having the second head portion is inserted into a connecting hole of a connecting plate described later. When connected, the bush 9 can be smoothly slid to smoothly interlock with the bush 9.

Reference numeral 10 is a connecting hole 10a corresponding to the connecting pin 9b.
By connecting the connecting pin 9b with the connecting plate 10 and rotating the bush 9 in conjunction with each other,
The left and right wind direction plates 6 are configured to be freely rotatable.

Next, of the left and right air flow direction plates 6 connected by the connection plate 10, to prevent dew condensation from occurring on the side portions of the left and right air flow direction plates 6 facing substantially both sides of the cross flow fan 4. The means will be described below.

The left and right airflow direction vanes 6 facing substantially both sides of the cross flow fan 4 have their front ends directed to both sides of the air outlet 5 with respect to the other left and right airflow direction vanes 6, and the left and right airflow vanes 6 including them are aforesaid. Since it is connected by the connecting plate 10 and rotatably supported, as shown in FIGS. 3 (B) and 3 (C),
By forming the shaft hole 9a of the bush 9 or the support shaft of the left / right airflow direction plate 6 with an angle Θ, when the left / right airflow direction plate 6 is rotated as shown in FIG. The left and right airflow direction vanes 6 facing substantially both sides are rotated at an angle Θ with respect to the other left and right airflow direction vanes 6,
As a result, the amount of air passing through the side portions of the left and right air flow direction plates 6 becomes substantially equal, and the air in the room does not flow into the side portions, so that the occurrence of dew condensation can be prevented.

Alternatively, the left and right air flow direction plates 6 facing substantially both sides of the cross flow fan 4 are not connected by the connecting plate 10, and the support shafts of the left and right air flow direction plates 6 are shown in FIG. When the left and right airflow direction plates 6 other than the fixed left and right airflow direction plates 6 are rotated as shown in FIG. Since the left and right wind direction plates 6 are located at the positions shown by the broken lines in FIG. 2, the amount of air passing through the side portions does not decrease, and the indoor air does not flow into the side portions, so that the occurrence of dew condensation can be prevented. The configuration will be

Reference numeral 11 is a support plate having a plurality of through holes 11a for pivotally supporting the bush 9, and 11b is the support plate.
Reference numeral 11c is a bifurcated locking portion formed in the rear portion of the locking member 11, and 11c is a convex locking portion formed in the front portion of the locking hole 5d.

The bifurcated locking portion 11b is the first locking piece.
5b, and the convex locking portion 11c is the second locking piece.
The support plate 11 can be fixed to the outlet 5 by being locked in the locking hole 5d provided in 5c,
As a result, the support plate 11 supporting the left and right wind direction plates 6 is provided.
Can be easily fixed to the upper surface 5a of the outlet 5.

With the above structure, FIG. 1A and FIG.
As shown in (B), FIG. 2, and FIGS. 3 (A) to 3 (D), the amount of air passing through the side portions of the left / right airflow direction vanes 6 facing substantially both sides of the cross flow fan 4 is It becomes an air conditioner that does not decrease and prevents the generation of dew condensation by not letting the air in the room flow into the same side, and the support shaft 6a is inserted into the support shaft hole 11a. The bush 9 is inserted and pivotally supported, the connecting pin 9b is inserted into the connecting hole 10a of the connecting plate 10 to connect the bush 9, and the bifurcated locking portion of the support plate 11 is connected. 11b
To the first locking piece 5b, and then the convex locking portion 11c is locked to the locking hole 5d to fix the support plate 11 to the air outlet 5, The air conditioner is configured so that the pin 9b and the connecting plate 10 are not projected to the air outlet 5.

[0038]

As described above, according to the present invention, there is provided an air conditioner capable of preventing dew condensation from occurring on the side portions of the left and right airflow direction vanes facing substantially both sides of the crossflow fan, and also a plurality of left and right air conditioners are provided. Prevent the connecting pin and connecting plate for connecting the wind direction plate from projecting to the outlet so that air resistance does not occur at the outlet and the efficiency of air blow is reduced or noise is generated. It becomes an air conditioner.

[Brief description of drawings]

FIG. 1 is an explanatory view of an air conditioner according to the present invention, in which (A) is a sectional view and (B) is an enlarged sectional view of a main part.

FIG. 2 is an explanatory diagram showing a relationship between a cross flow fan and left and right airflow direction vanes of the air conditioner according to the present invention.

FIG. 3 is an exploded perspective view of an essential part of the air conditioner according to the present invention,
(A) shows an assembled state of left and right airflow direction vanes other than the left and right airflow direction vanes opposed to substantially both sides of the crossflow fan, and (B) and (C) show an assembled state of left and right airflow direction vanes opposed to almost both sides of the crossflow fan. And (D) shows another example of the same assembled state.

FIG. 4 is an explanatory view of an air conditioner according to a conventional example, (A) is a sectional view, and (B) is an enlarged sectional view of a main part.

FIG. 5 is an explanatory diagram showing a relationship between a cross flow fan and left and right airflow direction vanes of an air conditioner according to a conventional example.

[Explanation of symbols]

 1 Air conditioner body 2 Suction port 3 Heat exchanger 4 Cross flow fan 5 Outlet 5a Upper surface 5b First locking piece 5c Second locking piece 5d Locking hole 6 Left and right wind direction plate 6a Spindle 6b First slit 7 Upper part Vertical wind direction plate 7a Support shaft for upper and lower wind direction plates 8 Lower vertical wind direction plate 8a Lower support shaft for vertical wind direction plate 9 Bushing 9a Shaft hole 9b Insertion pin 9c Second slit 10 Connecting plate 10a Connecting hole 11 Support plate 11a Through hole 11b Bifurcated locking part 11c Convex locking part

Claims (9)

[Claims] 1. A heat exchanger and at least one crossflow fan are provided in an air passage connecting the suction port and the air outlet, and the air outlet has at least one vertical airflow direction plate and a plurality of left and right airflow direction plates. In the air conditioner provided with, the left and right airflow direction vanes facing substantially both sides of the cross flow fan, the front end is directed to both sides of the air outlet with respect to the other left and right airflow direction vanes, and the left and right airflow vanes including them. An air conditioner characterized in that the above are connected by a connecting plate so as to be pivotally supported. 2. A first locking piece is hung on a rear portion of an upper surface of the air outlet, and a second locking piece having a locking hole is hung on a front portion of the upper surface,
A support plate having locking portions and a plurality of through holes facing each of the first locking piece and the second locking piece is provided, and the through hole of the supporting plate has a shaft hole at the base end and a tip end. A bush having an arm in which a connecting pin for connecting the left and right airflow direction plates is erected is rotatably supported, and the shaft of the left and right airflow direction plate is fitted in the shaft hole of the bush, The both locking portions are locked to the locking piece and the second locking piece, and the bush, the connecting pin, and the connecting plate are housed between the upper surface of the outlet and the support plate. The air conditioner according to claim 1, wherein: 3. The left and right airflow direction vanes facing substantially both sides of the crossflow fan are fixed to other left and right airflow direction vanes with their front ends facing both sides of the air outlet, and left and right airflow vanes other than the fixed right and left airflow vanes. The air conditioner according to claim 1, wherein the wind direction plates are connected by a connecting plate and are pivotally supported so as to be rotatable. 4. A first locking piece is hung on a rear portion of an upper surface of the air outlet, and a second locking piece having a locking hole is hung on a front portion of the upper surface,
A support plate having locking portions and a plurality of through holes facing each of the first locking piece and the second locking piece is provided, and the through hole of the supporting plate has a shaft hole at the base end and a tip end. Other than the left / right airflow direction plate fixed to the shaft hole of the bush, the bush having an arm in which a connecting pin for connecting left / right airflow direction plates other than the left / right airflow direction plate fixed to the portion is rotatably supported. The support shafts of the left and right airflow direction plates are fitted to each other, the both locking portions are locked to the first locking piece and the second locking piece, and the bush, the connecting pin, and the connecting plate are blown together. The air conditioner according to claim 3, wherein the air conditioner is housed between the upper surface of the outlet and the support plate. 5. The air conditioner according to claim 2 or 4, wherein at least one flat portion is provided in the shaft hole and the support shaft and fitted therein. 6. The locking portion facing the first locking piece is formed into a bifurcated shape, and the locking portion facing the locking hole of the second locking piece is formed into a convex shape, The forked locking portion is locked to the first locking piece, the convex locking portion is locked to the locking hole, and the support plate is fixed to the outlet. The air conditioner according to claim 2 or claim 4, which is characterized in that. 7. A first head portion having a diameter larger than that of the support shaft is provided at a tip end portion of a support shaft of the left and right wind direction plates connected by the connection plate, and the first head and the support shaft are provided. The air conditioner according to claim 2 or 4, wherein a first slit having an open upper portion is provided in the air conditioner. 8. A second head portion having a diameter larger than that of the connecting pin is provided at a tip end portion of the connecting pin, and a second slit having an upper opening is formed on the second head portion and the connecting pin. The air conditioner according to claim 2, wherein the air conditioner is provided. 9. The air conditioner according to claim 2, wherein the connecting pin and the second head are integrally formed with the bush by a synthetic resin having a sliding property. .