JP2003139381A - Wind direction adjusting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wind direction adjusting device which can easily switch between a normal mode for adjusting the wind direction and a wind direction characteristic mode for diffusing air. SOLUTION: This device has an oscillation link 5 linked with a plurality of blades 3 provided at an air outlet and a wind direction adjusting means 6 linked with the oscillation link 5, and a choice can be made between the normal mode which adjusts the direction of parallel wind blown out of the air outlet by moving the oscillation link 5 vertically with the wind direction adjusting means 6 and the wind direction characteristic mode which diffuses or concentrates air blown out of the air outlet by inclining one end of the oscillation link 5 toward the center with the wind direction adjusting means 6 so that an operation to freely adjust the wind direction of the air blown out of the air outlet as the parallel wind by each of the blades 3 or to diffuse it to blow toward occupants can be enabled continuously with the single wind direction adjusting means 6, which is excellent in operability.

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 adjusting the wind direction of air blown from an air outlet.

[0002]

2. Description of the Related Art Conventionally, as this type of wind direction adjusting device, for example, one disclosed in Japanese Patent Laid-Open No. 8-197940 is known.

In the wind direction adjusting device of the above publication, each of a plurality of groups of wind direction adjusting blades including a plurality of adjusting blades is rotatably supported inside the adjusting case body, and each wind direction adjusting blade group has , Gears that mesh with each other are provided.

Further, inside the air-conditioning case, there is provided a rotary operation member whose outer peripheral portion projects to the front surface of the finisher, and this rotary operation member is connected to the rotary shaft of one wind direction adjusting blade group. When one of the wind direction adjusting blade groups is rotated about the rotation axis by the rotation operation member to adjust the wind direction, the other wind direction adjusting blade group interlocked via the gear is rotated in the opposite direction. It is like this.

As a result, the air blown out from the air outlet is intensively blown toward the occupant, for example,
The wind direction characteristics such as being uniformly sprayed on the occupant or being dispersed right and left can be obtained.

[0006]

However, in the above-described conventional air flow direction adjusting device, the air flow characteristics such as the air blown out from the air blowout port can be concentrated, made uniform, or diffused by rotating the rotary operation member. Since the configuration is performed by moving, the wind direction adjustment in the normal mode and the wind direction characteristic mode must be separately performed, which causes a problem that the operation is complicated.

The present invention has been made in order to solve the above-mentioned conventional problems, and it is possible to easily select a normal mode for adjusting the wind direction of parallel wind and a wind direction characteristic mode for concentrating or diffusing air. It is intended to provide.

[0008]

In order to achieve the above-mentioned object, an air flow direction adjusting device of the present invention rotates a plurality of blades provided in an air blowout port to rotate the airflow direction of air blown out from the air blowout port. A wind direction adjusting device for adjusting the air flow adjustment device, comprising: a swing link interlocked with a plurality of blades; and a wind direction adjuster interlocked with the swing link, wherein the wind direction adjuster tilts the swing link. , The normal mode for adjusting the direction of the parallel wind blown out from the air blowout port, and the air blown out from the air blowout port by tilting the other end side around the one end side of the swing link by the wind direction adjusting means. The wind direction characteristic mode for diffusion or concentration can be selected.

With the above construction, by selecting the normal mode by the airflow direction adjusting means, the airflow direction of the air blown out from the air outlet can be freely adjusted as parallel airflow by the blades, and the airflow direction adjusting means is also provided. By selecting the wind direction characteristic mode, the air blown from the air outlet can be diffused and blown to the occupant, or concentrated and blown out, and the selection of each mode can be made continuously by a single wind direction adjusting means. Because it can be done in a simple manner, the operability is also very good.

In order to achieve the above object, the wind direction adjusting device of the present invention comprises an air direction adjusting means, an intermediate gear having a guide groove into which a pin projecting from the other end of the swing link is fitted, and an intermediate gear. The operation dial has a meshing gear, and a part of the outer peripheral portion of the operation dial protrudes from the front surface of a finisher provided around the air outlet.

With the above construction, by rotating the operation dial with a finger or the like, the normal mode and the wind direction characteristic mode can be easily and quickly selected, and the blades on the upper side at the time of shifting from the normal mode to the wind direction characteristic mode. Since the blades on the middle part and the lower side are sequentially rotated downward around the center, there is no unnecessary movement in the movement of each blade, and the appearance is very good.

Further, since the swing link does not move in parallel in the front-rear direction, the blades can be smoothly rotated, and the wind direction adjusting means can be constructed with a small number of parts such as an intermediate gear and an operation dial. Easy to assemble,
The cost of the wind direction adjusting device can be reduced.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is an exploded perspective view of the wind direction adjusting device, FIG. 2 is an exploded perspective view of the wind direction adjusting means, FIG. 3 is a vertical sectional view, and FIGS.

The body 1 of the wind direction adjusting device has an opening 2 on the front surface.
It has a square tubular case 2 with an opening a, and can be attached to the inside of an air outlet opened in an instrument panel (not shown) with the opening 2a facing forward.

In the opening 2a of the case 2, a plurality of blades 3 are provided in the horizontal direction at intervals in the vertical direction, and the shaft pin 3a protruding from one end of each blade is a case. It is rotatably fitted in a pin hole 2c formed in one of the side plates 2b.

On the other end side of each blade 3, a shaft pin 3a and a connecting pin 3b are provided in a protruding manner, and the shaft pin 3a is a pin hole 4a of a spacer 4 assembled along the other side plate 2b of the case 2. It is rotatably fitted in.

The spacer 4 is fitted to the opening edge of the case 2, and an arc-shaped elongated hole 4b centered on the pin hole 4a is formed in the vicinity of each pin hole 4a. The connecting pin 3b protruding from the other end penetrates these elongated holes 4b and is fitted into each guide hole 5a of the swing link 5 provided on the outer surface of the spacer 4.

A guide hole 5 located above the swing link 5
a is a center circle, and each guide hole 5a provided at substantially equal intervals from the upper part to the lower part is a long groove whose length gradually increases from top to bottom, and these guide holes 5a become lower on the rear end side. The protrusions 5b are protruded rearward from the lower part of the swing link 5, and the pins 5c are protruded from the outer surfaces of the protrusions 5b on the tip side.

The tip of the pin 5b is fitted into a guide groove 6b formed on one side surface of the intermediate gear 6a constituting the wind direction adjusting means 6.

The wind direction adjusting means 6 selects a normal mode for adjusting the wind direction of the air blown out from the air blowing port and a wind direction characteristic mode for concentrating or diffusing the air blown out from the air blowing port. It is composed of an intermediate gear 6a and an operation dial 6c, which are housed together with the swinging link 5 in a cover 7 which is provided in parallel with the other side plate 2b of the second unit 2 with a space therebetween.

The intermediate gear 6a has a disc portion 6 as shown in FIG.
d has a guide groove 6b formed in the disc portion 6d. As shown in FIG. 3, the guide groove 6b has one end located near the center and the other end It is curved in an arc shape while gradually increasing the time diameter, and has a shape in which a bent portion 6e that is bent at a substantially right angle to the outer peripheral direction is formed at the other end, and is used for forward and reverse rotation of the intermediate gear 6a. Accordingly, the pin 5c of the swing link 5 moves in the guide groove 6b, so that the swing link 5 swings in the front-rear direction about the pin 3b supporting the upper end portion.

At the center of the intermediate gear 6a, a shaft cylinder 6f is provided so as to project from the side plate 2b of the case 2 and rotatably supported by the intermediate gear support shaft 2d, and the outer peripheral portion of the shaft cylinder 6f. Is rotatably fitted in a circular hole 7a formed in the cover 7, and the intermediate gear 6a is meshed with a gear 6g formed on one side surface of the operation dial 6c.

The gear 6g of the operation dial 6c is formed to have a diameter larger than that of the intermediate gear 6a.
The rotation of the shaft cylinder 6 is transmitted to the intermediate gear 6a, and the shaft cylinder 6 is provided at the center of the shaft plate 2b of the case 2 and is rotatably supported by the operation dial gear support shaft 2e.
h is projected, and the outer peripheral portion of the shaft cylinder 6h is covered by a cover 7
A part of the outer peripheral portion of the operation dial 6c is rotatably fitted in a circular hole 7b formed in the front end of the finisher 8 from the elongated hole 8a of the finisher 8 attached to the opening 2a of the case 2. It is projected to the side.

The finisher 8 is formed of a plate having a size that covers the periphery of the air outlet, and has an opening 8b having substantially the same size as the opening 2a of the case 2, and the opening 8b The elongated hole 8a is formed laterally in the vertical direction, and a locking hole 8d formed at the tip of a protruding piece 8c protruding rearward from both side edges of the finisher 8 is provided on the outer surface of the case 2. The finisher 8 is attached to the opening 2a of the case 2 by engaging with a locking projection (not shown) protruding from the cover 2 and a locking projection 7c protruding from the outer surface of the cover 7.

The operation of the air-direction adjusting device constructed as described above will now be described. When the blades 3 are in the downward direction as shown in FIG. 4, the air blown out from the air outlet is:
The wind direction is adjusted by the blades 3 in a downward parallel wind.

At this time, the pin 5c protruding from the lower end of the swing link 5 is located at one end of the guide groove 6b formed in the intermediate gear 6a, and the swing link 5 is also at the forward end.

When the operation dial 6c is rotated counterclockwise from this state to adjust the wind direction horizontally, for example, the intermediate gear 6a is rotated clockwise as shown in FIG. The pin 5c is pressed downward by the guide groove 6b that is gradually expanded, and the swing link 5 is also moved downward by this, so that each blade 3 is held horizontally and the air blown out from the air outlet is Is adjusted by the blades 3 in a horizontal parallel wind direction.

From this state, when adjusting the air flow direction, for example, upward, the operation dial 6c is further rotated counterclockwise.

Accordingly, the guide groove 6b allows the pin 5c.
Is further pressed downward and the respective blades 3 are held in the upward state as shown in FIG. 6, so that the air blown from the air outlet is adjusted by the blades 3 in the upward parallel wind direction.

On the other hand, when the air blown out from the air outlet is diffused and blown out to the occupant, when the operation dial 6c is further rotated counterclockwise, the pin 5c in the guide groove 6b is moved to the guide groove 6b. Since it reaches the bent portion 6e formed at the other end and is moved rearward along with the rotation of the intermediate gear 6a, the swing link 5 has its lower end centered on the connecting pin 3b protruding from the uppermost blade 3. The blades 3 are swung rearward, whereby the blades 3 are swung by the guide holes 5a of the swing link 5 to the positions shown in FIG. 7 about the shaft pins 3a.

That is, the blades 3 at the intermediate position maintain the horizontal position, the blades 3 above the intermediate position are rotated counterclockwise to the upward direction, and the blades 3 below the intermediate position are clockwise. The air blown from the air outlets is diffused by the blades 3 and blown to the occupant because the air is blown downwards.

By forming the guide hole 5a formed in the slide link 5 in the opposite direction to that of the above-described embodiment, the operation of each blade 3 is reversed, so that the air is blown out from the air outlet. The air to be blown is concentrated by the blades 3 and blown out to the occupant.

Further, when returning to the normal mode from the wind direction characteristic mode in which the air blown out from the air outlet is diffused or concentrated and blown to the occupant, the operation dial is turned in the opposite direction, that is, in the clockwise direction. Just do it.

[0035]

As described above in detail, the present invention has a swing link interlocking with a plurality of blades provided at the air outlet and an air flow direction adjusting means interlocking with the swing link, and A normal mode in which the direction of the parallel wind blown out from the air outlet is adjusted by moving the swing link up and down by the wind direction adjusting means, and the other end side is tilted about one end side of the swing link by the wind direction adjusting means. By making it possible to select the wind direction characteristic mode that diffuses or concentrates the air blown from the air outlet,
By selecting the normal mode by the wind direction adjusting means,
The wind direction of the air blown from the air outlet can be freely adjusted as parallel wind by each blade, and the air blown from the air outlet can be adjusted by selecting the wind direction characteristic mode by the wind direction adjusting means. The operability is very good because it can be diffused and blown to the occupant or concentrated and blown out, and each mode can be continuously selected by a single wind direction adjusting means.

Further, the wind direction adjusting means has an intermediate gear having a guide groove into which a pin protruding from the other end of the swing link is fitted, and a gear meshing with the intermediate gear, and a part of the outer peripheral portion. Since it is composed of an operation dial protruding to the front of the finisher provided around the air outlet,
The normal mode and wind direction characteristic mode can be selected easily and quickly by rotating the operation dial with a finger, etc., and when shifting from the normal mode to the wind direction characteristic mode, the upper and lower blades are centered in the middle and lower portions. The blades on the side are sequentially rotated downward, and there is no useless movement in the movement of each blade, so the appearance is very good.

Further, since the swing link does not move in parallel in the front-rear direction, the blades can be smoothly rotated, and the wind direction adjusting means can be constructed with a small number of parts such as the intermediate gear and the operation dial. Assembling is easy, and the cost of the wind direction adjusting device can be reduced.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an airflow direction adjusting device according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of wind direction adjusting means provided in the wind direction adjusting device according to the embodiment of the present invention.

FIG. 3 is a cross-sectional view of the wind direction adjusting device according to the embodiment of the present invention.

FIG. 4 is an operation explanatory view of the wind direction adjusting device according to the embodiment of the present invention.

FIG. 5 is an operation explanatory view of the wind direction adjusting device according to the embodiment of the present invention.

FIG. 6 is an operation explanatory view of the wind direction adjusting device according to the embodiment of the present invention.

FIG. 7 is an operation explanatory view of the wind direction adjusting device according to the embodiment of the present invention.

[Explanation of symbols]

3 feathers 5 swing links 5c pin 6 Wind direction adjustment means 6a Intermediate gear 6b guide groove 6c operation dial 6g gear 8 finisher

Claims (2)

[Claims] 1. A wind direction adjusting device that adjusts a wind direction of air blown out from the air blowing port by rotating a plurality of blades provided at the air blowing port. Of the parallel wind blown out from the air outlet by having the swing link and wind direction adjusting means linked to the swing link, and by vertically moving the swing link by the wind direction adjusting means. A normal mode for adjusting the direction and a wind direction characteristic mode for diffusing or concentrating the air blown out from the air outlet by tilting the other end side around the one end side of the swing link by the wind direction adjusting means. A wind direction adjusting device characterized in that it can be selected. 2. The wind direction adjusting means includes an intermediate gear having a guide groove into which a pin projecting from the other end of the swing link is fitted, and a gear meshing with the intermediate gear, and having an outer periphery. 2. The wind direction adjusting device according to claim 1, wherein a part of the portion is configured by an operation dial protruding to the front surface of a finisher provided around the air outlet.