JP3438762B2 - Air conditioner wind direction adjustment device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wind direction adjusting device for an air conditioner, and more specifically, it provides a plurality of wind direction plates above and below an outlet, and makes the upper and lower wind direction plates have an arbitrary angle difference. The present invention relates to a structure that can be pivoted.

[0002]

2. Description of the Related Art A conventional air-direction adjusting device for an air conditioner includes a plurality of bearing holes 2 provided in a louver base 1 provided above and below a blow-out port and a plurality of bearing holes 2 as shown in FIG. A cylindrical support shaft portion 4b having a substantially rectangular locking hole 4a is rotatably supported, and a plurality of arms provided with a protruding stopper 4c on an arm extending horizontally from the support shaft portion 4b. A plurality of wind direction plates 6 each having a stopper link 4 and a support shaft 6a which is locked in the locking hole 4a.
And the same wind direction plate 6 are connected, and the rotation angle thereof is set to the stopper.
Louver rod 5 provided with a regulating piece 5a for regulating corresponding to 4c
In order to drive the louver rod 5 reciprocally, a drive link 7 having a drive shaft hole 7a at the base end and a connecting portion 7b for connecting to the louver rod 5 at the tip end, and the drive shaft hole 7a.
And a motor 8 having a drive shaft 8a connected to.

The plurality of wind direction plates 6 reciprocally rotate in association with the driving force of the motor 8 with the drive link 7, the louver rod 5 and the stopper link 4, and send out from the outlet of the air conditioner. The direction of the blowing air was adjusted.

However, since the plurality of wind direction plates 6 are simultaneously rotated in the same direction, the blown air cannot be agitated by the blowout port, so that the airflow is wider. It is difficult to supply blown air,
Further, at both sides of the outlet where the amount of blown air tends to decrease, there is a problem that dew condensation occurs on the wind direction plate 6 corresponding to the both sides.

[0005]

In the present invention, in view of the above problems, a plurality of wind direction plates are provided above and below the air outlet so that the upper and lower wind direction plates can be rotated with an arbitrary angle difference. It is an object of the present invention to provide a wind direction adjusting device for an air conditioner.

[0006]

In the present invention, in order to solve the above-mentioned problems, a plurality of bearing holes provided in the louver base provided above and below the air outlet and a substantially rectangular locking by the bearing holes. A cylindrical support shaft portion having a hole is rotatably supported, and an arm extending horizontally from the support shaft portion has upper and lower stopper links provided with protruding stoppers and the locking hole. One of the upper and lower louver rods having upper and lower louver rods provided with locking shafts and the louver rods that connect the same wind vane and regulate the rotation angle corresponding to the stopper. A driving device that reciprocally drives one of the louver rods, and a clutch mechanism that links the louver rods with the upper and lower wind direction plates with an arbitrary angle difference therebetween.

Further, the drive unit is composed of a motor.

Further, the clutch mechanism comprises linking means linked to the louver rods, connecting means for connecting the linking means in an intermittent manner, and biasing means for biasing the connecting means to always connect. It is configured.

Further, the linking means comprises a connecting shaft which is divided into upper and lower parts and which is provided with a support shaft which is locked in the locking holes of the upper and lower stopper links.

Further, the connecting means comprises toothed portions formed at both ends of the connecting shafts facing each other.

Further, the urging means is composed of a spring, and one of the connecting shafts is urged toward the other by the spring so that the toothed portions are meshed with each other.

Further, a head having a larger outer shape than the both support shafts is provided on the support shaft of the wind direction plate and the support shaft of the connecting shaft, and a substantially U-shaped opening is formed at the tip of the support head. The slits are provided.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION With the above construction, a plurality of wind direction plates are provided above and below the air outlet, and the upper and lower wind direction plates can be rotated with an arbitrary angle difference.
The air blown out from the air outlet can be agitated so that it can be supplied in a wider range, and the dew condensation is prevented from occurring on the wind direction plates corresponding to both sides of the air outlet where the amount of air blown out easily decreases. It becomes a wind direction adjusting device of an air conditioner that is made possible.

[0014]

Embodiments of the present invention will now be described in detail with reference to the drawings. 1 and 2, 1 is an upper and lower louver bases provided in a main body casing of an air conditioner, 2 is a bearing hole provided in the same louver base 1, and 3 is an air outlet formed in the main body casing. is there.

The reference numeral 4 designates an arm extending horizontally from a support shaft 4b of which a cylindrical support shaft 4b having a substantially rectangular locking hole 4a is rotatably supported by the bearing hole 2. Protruding stopper
It is a stopper link with 4c.

Reference numeral 5 is a louver rod linked to the stopper link 4, and the louver rod 5 is provided with a restricting piece 5a which engages with the stopper 4c and restricts the rotation angle of the stopper link 4, and is reciprocally driven. As a result, the rotation angles of the upper and lower wind direction plates, which will be described later, are regulated.

Reference numeral 6 denotes a plurality of wind direction plates rotatably supported by bearing holes 2 of the louver base 1 provided above and below the air outlet 2 for adjusting the left-right air direction of the air outlet 2. The airflow direction plate 6 is a locking hole provided in the support shaft portion 4b of the stopper link 4 which is rotatably supported by the bearing hole 2.
It is configured to have a substantially rectangular support shaft 6a that is locked to the 4a.

The support shaft 6a of the upper and lower wind direction plates 6 is provided with a head portion a having an outer shape larger than that of the support shaft 6a.
Is provided with a substantially U-shaped slit b whose front end is opened, whereby the support shaft 6a is engaged with the engaging hole 4c.
When it is locked, the supporting shaft 6a is elastically deformed by the slit b so that the supporting shaft 6a can be easily locked. Further, after the locking, the supporting shaft 6a is locked by the head a from the locking hole 4c. It is structured so that it does not leave.

Reference numeral 7 denotes a connecting portion 7b provided at a front end portion of the louver rod 5, and a drive shaft hole 7a provided at a base end portion thereof connected to a drive shaft of a motor which will be described later. It is a drive link for transmitting to the louver rod 5.

Reference numeral 8 denotes a drive device comprising a motor 8 having a drive shaft 8a corresponding to the drive shaft hole 7a of the drive link 7. By using the motor 8 as the drive device, the louver rod 5 is smoothly reciprocated. The upper and lower wind direction plates 6 can be accurately rotated via the stopper link 4 linked to the louver rod 5 and a clutch mechanism described later.

Reference numeral 9 denotes a clutch mechanism for intermittently interlockingly rotating the upper and lower wind direction plates 6, and this clutch mechanism 9
Is composed of a linking means linked to both the louver rods 5, a connecting means for connecting the linking means in an intermittent manner, and a biasing means for biasing the linking means to always connect. As a result, the upper and lower wind direction plates 6 can be adjusted so as to rotate with an angle difference, so that the blown air at the blowout port 3 can be agitated and supplied in a wider range, and the amount of blown air can be increased. The wind direction plate 6 corresponding to both sides of the air outlet 3 where
It has a structure that can prevent dew condensation from occurring.

The linking means is composed of a vertically divided connecting shaft 9a having a support shaft 9c that locks in the locking holes 4a of the upper and lower stopper links 4, and the both connecting shafts 9a are mutually connected. By connecting in a rotated state, the upper and lower wind direction plates 6 can be rotated with an angle difference.

The support shaft 9c of the connecting shaft 9a is provided with a head portion a having an outer shape larger than that of the support shaft 9c in the same manner as described for the support shaft 6a of the wind direction plate 6. It is configured such that a substantially U-shaped slit b in which the tip of the head portion a is opened is provided, so that when the supporting shaft 9c is locked in the locking hole 4c, the supporting shaft is supported by the slit b. 9c is elastically deformed so that it can be locked easily, and after the locking, the head portion a prevents the support shaft 9c from coming off the locking hole 4c.

The connecting means is composed of tooth-shaped portions c formed at both ends of the connecting shaft 9a facing each other. The both tooth-shaped portions c are urged by an urging means which will be described later to mesh with each other. Both connecting shafts 9a are connected, and the driving force of the motor 8 can be linked to the upper and lower stopper links 4 and the upper and lower louver rods 5 via the both connecting shafts 9a.

Further, the urging means is composed of a spring 10, whereby the spring 10 urges one of the connecting shafts 9a to the other to accurately engage the tooth profile portion c with each other. It is configured to let.

The spring 10 is, as shown in FIG.
It is configured so that it is housed in a tubular portion 9b that houses one of the connecting shafts 9a that has an engaging portion d that engages with the spring 10, thereby accurately holding the spring 10. It has a configuration that allows it.

With the above structure, as shown in FIGS. 1 and 2, when a plurality of wind direction plates 6 provided above and below the outlet 3 are rotated with an angle difference, the lower wind direction plate 6 is moved. By manually rotating and adjusting to an arbitrary angle and shifting the tooth profile portion c in the rotational direction against the biasing force of the spring 10 to connect the upper and lower wind direction plates 6, an arbitrary angular difference can be obtained. The wind direction adjusting device of the air conditioner is designed so that it can be turned and rotated.

[0028]

As described above, according to the present invention, a plurality of airflow direction plates are provided above and below the air outlet, and the airflow direction plates above and below the airflow direction can be rotated with an arbitrary angle difference. The air blown out from the outlet can be agitated to be supplied in a wider range, and it is possible to prevent dew condensation on the wind direction plates corresponding to both sides of the air outlet where the amount of air blown out easily decreases. It becomes the wind direction adjusting device of the air conditioner.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a wind direction adjusting device for an air conditioner according to the present invention.

FIG. 2 is an exploded perspective view of a main part of an air-direction adjusting device for an air conditioner according to the present invention.

FIG. 3 is an exploded perspective view of a wind direction adjusting device for an air conditioner according to a conventional example.

[Explanation of symbols]

1 louver base 2 bearing holes 3 outlet 4 Stopper link 4a Locking claw 4b spindle 4c stopper 5 Louver rod 5a Restriction piece 6 Wind direction plate 6a spindle 7 drive link 7a Drive shaft hole 7b connection 8 motor 8a drive shaft 9 Clutch mechanism 9a connecting shaft 9b tubular part 9c Support shaft of connecting shaft a head b slit c Tooth profile d Engagement part

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Claims (7)

(57) [Claims] 1. A cylindrical support shaft portion provided with a plurality of bearing holes provided in a louver base provided above and below the outlet and a substantially rectangular locking hole in the bearing holes is rotatably shafted. An upper and lower stopper link having a protruding stopper on an arm that is supported and horizontally extends from the supporting shaft, an upper and lower wind direction plates having a supporting shaft that locks in the locking hole, and the same wind direction. Upper and lower louver rods provided with restricting pieces for connecting the plates and restricting the rotation angle corresponding to the stoppers, a drive device for reciprocally driving one of the both louver rods, and the both louver rods, A wind direction adjusting device for an air conditioner, comprising: a clutch mechanism in which the upper and lower wind direction plates are linked with each other with an arbitrary angle difference. 2. The wind direction adjusting device for an air conditioner according to claim 1, wherein the drive device is a motor. 3. The clutch mechanism comprises linking means for linking the louver rods, connecting means for intermittently connecting the linking means, and biasing means for biasing the connecting means to always connect. The wind direction adjusting device for an air conditioner according to claim 1. 4. The air conditioner according to claim 3, wherein the linking means includes a connecting shaft that is divided into upper and lower parts and has a support shaft that locks in the locking holes of the upper and lower stopper links. Wind direction adjuster. 5. The wind direction adjusting device for an air conditioner according to claim 3, wherein the connecting means comprises toothed portions formed at both ends of the connecting shafts facing each other. 6. The urging means comprises a spring, and one of the connecting shafts is urged to the other by the spring so as to mesh the toothed portion. The wind direction adjusting device for an air conditioner according to claim 4 or claim 5. 7. A substantially U-shaped slit in which a head having a larger outer shape than that of the support shaft is provided on the support shaft of the wind direction plate and the support shaft of the connection shaft, and the tip of the head is opened. The air-direction adjusting device for an air conditioner according to claim 4, wherein