JP3198700B2 - Vehicle 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 for a vehicle mounted on an automobile or the like, and more particularly, to an air conditioner for a vehicle having an improved air flow direction control mechanism for an air-conditioned air outlet.

[0002]

2. Description of the Related Art Conventionally, as an air conditioner for a vehicle, there is, for example, a "cool air or outside air blow-out device for an automobile" disclosed in Japanese Utility Model Laid-Open No. 55-175512 shown in FIGS. In this prior art, a plurality of front seat outlets 1501 are provided at a lower position of the instrument panel 104 so as to open with a duct 1601 facing straight rearward. A rear seat outlet 1502 is provided at a high position above the front seat outlet 1501 and has a duct 1602 facing diagonally upward on the roof side so as to open horizontally in the vehicle left-right direction.

[0003] Inside the instrument panel 104, ducts 1604 from the air conditioning unit 1603 are connected to ducts 1601, 160 of the outlets 1501, 1502.
2, a duct 1604 is provided with an air volume distribution door 1605. As a result, the conditioned air is blown upward from the rear seat outlet 1502, and the airflow is sent to the rear seat through the upper space between the front passenger and the roof. Further, it is disclosed that the air volume distribution door 1605 enables the air volume distribution to be adjusted to the front and rear seats.

[0004]

However, in the above-mentioned "blowing device for cooling air or outside air in an automobile", the front and rear seat outlets 1501 and 1502 are not particularly taken into consideration, and the wind direction is appropriately changed. There was a problem that it was difficult to control.

[0005] The present invention has been made in view of this point, and has as its object to appropriately control the wind direction.

[0006]

According to the present invention, in order to achieve the above object, a wind direction control mechanism is provided at an outlet of an instrument panel, and the wind direction control mechanism is provided along an inner surface inside the outlet. Upper and lower louvers arranged and rotatably supported at the middle and an intermediate louver arranged in parallel between the upper and lower louvers and rotatably supported at the middle,
A groove provided on the inner surface of the air outlet on the upstream side of the upper and lower louvers to allow the upper and lower louvers to rotate within a restricted range, and a rotatable end of the intermediate louver on the upstream side of the air flow. And a connecting rod for rotating the intermediate louver by linear movement, and a vertically extending long hole formed in the connecting rod along the direction of linear movement, and a leaf spring is attached to both long holes, and A deflecting means which engages the respective pins at the airflow upstream end of the upper and lower louvers with the holes so as to be relatively movable, and the leaf springs elastically contact the pins in the elongated holes to enable positioning; In the ascending position of the connecting rod, the pins of the upper and lower louvers are engaged with the lower ends of the long holes so that the upper louvers enter the grooves and the upper louvers and the intermediate louvers are in the airflow downward position, Previous The lower end louver is regulated by the inner surface to be in a horizontal airflow position, and at the lowering position of the connecting rod, the pins of the upper and lower end louvers are engaged with the upper ends of the long holes, so that the lower end louvers enter the grooves and the lower ends. The louver and the intermediate louver are located at an upward position of the air flow, and the upper end louver is regulated by the inner surface and may be at a horizontal position of the air flow.

[0007]

According to the wind direction control mechanism for a vehicle air conditioner of the present invention, both ends of the louver are connected to the connecting rod by means having a function of positioning and deflecting. Keep the louver level. Also, the louver is positioned according to the moving position of the connecting rod.

[0008]

1 and 2 show a wind direction control mechanism provided at an outlet of an instrument panel according to an embodiment of the present invention.

In FIG. 1, an instrument panel 1
04 is provided with a cylindrical louver case 1302 having an air-conditioning air outlet 1301.
Is provided with a wind direction control mechanism 1310. The wind direction control mechanism 1310 includes, for example, four louvers 1311, 1312, and 1313 inside the air outlet, and a support shaft 1314 in the middle.
And the two intermediate louvers 1312 arbitrarily rotate up and down, while the upper and lower louvers 1311 and 1313 are supported by the inner surface 131 on the case side.
5 and the groove 1316 so as to rotate from horizontal to only one of the upper and lower sides. These louvers 1
A connecting rod 1317 is installed on the upstream side of the airflow of the bases 311, 1312, and 1313 so as to linearly move up and down. Then, the intermediate louver 131 is connected to the connecting rod 1317.
2 are connected by an end pin 1318 and the connecting rod 1
The intermediate louver 1312 is mounted so as to rotate to three positions of downward airflow, horizontal airflow, or upward airflow by moving the louver 317 up and down.

The connecting portion between the connecting rod 1317 and the upper and lower louvers 1311 and 1313 is provided with a diverter 1320.
Is provided. The diverting means 1320 is connected to the connecting rod 1.
An elongated hole 1321 is formed in 317, and an ear-shaped leaf spring 1322 is mounted in the elongated hole 1321. Then, the pin 1 at the end of the louvers 1311 and 1313 is attached to the leaf spring 1322.
When the connecting rod 1317 is moved, the leaf spring 1322 is elastically deformed and positioned arbitrarily. Further, the upper end louver 1311 rotates to two positions, that is, an airflow horizontal direction and an airflow downward direction, and allows the rod to move in the louver horizontal state when shifting to the airflow upward position. The lower end louver 1313 is configured to rotate to two positions, that is, an airflow horizontal direction and an airflow upward direction, and to allow the rod to move in the louver horizontal state when shifting to the airflow downward position.

Next, the operation will be described with reference to FIG. First, when the connecting rod 1317 is moved upward, (a)
As shown in FIG.
5 and the other three louvers 131
1, 1312 integrally rotates clockwise, and the airflow of the conditioned air is diverted downward without reducing the flow path area or increasing the ventilation resistance. At this time, the upper and lower louvers 13
The pins 1318 of the leaf springs 13 and 1313
It is positioned by engaging with the lower part of 22. Next, when the connecting rod 1317 is slightly lowered, the three louvers 1311 and 1312 shift their positions in the horizontal direction as shown in FIG.
Pin 1318 is engaged with the lower portion of the leaf spring 1322 ,
Blows out almost horizontally.

When the connecting rod 1317 is further lowered, the intermediate louver 1312 is directed upward and the upper end louver 1311 is restricted horizontally as shown in FIG. In the lower end louver 1313, the pin 1318 makes elastic contact with the middle of the leaf spring 1322. Then, moving the connecting rod 1317 to a lower limit, and further rotates two intermediate Le <br/> Ba 1312 in a counterclockwise direction in a state the upper end louver 1311 kept horizontal as shown in (d), the air flow As described above, the flow path is changed upward without reducing the area. At this time, the pins 1318 of the upper and lower louvers 1311 and 1313 are both engaged with the upper part of the leaf spring 1322 and positioned.

[0013]

As described above, according to the present invention, in the wind direction control mechanism, the louvers at both ends are connected to the connecting rod by means having a function of positioning and deflecting, and the louvers at both ends are regulated by the inner surface of the case. In this case, since the louvers at both ends are configured to be horizontal, it is possible to prevent the flow path area from being reduced or increase the ventilation resistance due to the Venturi effect, thereby improving the turning performance. Since the louver is positioned in accordance with the moving position of the connecting rod, it is possible to reliably maintain the diverted state of the airflow.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a configuration of a wind direction control mechanism according to the present invention.

FIG. 2 is a sectional view showing an operation state of a wind direction control mechanism shown in FIG.

FIG. 3 is a perspective view showing a configuration of a conventional instrument panel.

4 is a cross-sectional view showing a schematic configuration of a vehicle air conditioner using the instrument panel shown in FIG.

[Explanation of symbols]

 104 instrument panel 1301 outlet 1310 wind direction control mechanism 1311, 1312, 1313 louver 1317 connecting rod 1320 turning means

Claims (1)

(57) [Claims] 1. An airflow direction control mechanism is provided at an air outlet of an instrument panel, and the airflow direction control mechanism is disposed along an inner surface inside the air outlet and rotates at an intermediate position.
Of the upper and lower louvers supported at the moment and the upper and lower louvers
Intermediately arranged in parallel between and rotatably supported in the middle
A louver and an airflow upstream of the upper and lower louvers,
A range in which the upper and lower louvers provided on the inner surface are regulated.
The rotatable groove is rotatably connected to the airflow upstream end of the intermediate louver.
To rotate the intermediate louver by linear movement
A connecting rod, and an upper and lower slot along the linear movement direction in the connecting rod.
A leaf spring is mounted in each of the slots, and
Each pin at the airflow upstream end of the upper and lower louvers in the long hole
Are movably engaged with each other and the pin is
Deflecting means for allowing the leaf springs to make elastic contact and position.
In the ascending position of the connecting rod, the upper and lower louvers
The pin is engaged with the lower end of the slot and the upper louver is
And the upper louver and the middle louver face downward.
And the lower louver is fixed to the inner surface.
The connecting rod is lowered to the horizontal position, and at the lower position of the connecting rod,
The pin engages the upper end of the slot and the lower louver is
The lower louver and the middle louver enter the airflow upward
And the upper end louver is fixed to the inner surface.
An air conditioner for a vehicle, characterized in that the air conditioner can be controlled to a horizontal position .