JP2000247140A - Air outlet structure for vehicles - Google Patents

Abstract

[PROBLEMS] To open and close an air outlet for an automobile in conjunction with key operation of an ignition switch, and to reduce the size and simplification of an air outlet structure having the air outlet. . SOLUTION: A horizontal louver provided at the air outlet can be automatically opened and closed by using a motor linked to an on / off operation of an ignition switch. The motor is housed in the dial that drives the blower air volume control damper.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air outlet structure of an air conditioner installed in an automobile, and more particularly, to a lateral louver provided at the air outlet in conjunction with an on / off operation of an ignition switch. A motor is used to automatically open and close the air outlet, and the motor is housed in a dial that manually turns the horizontal louver to reduce the size of the air outlet. The present invention relates to a vehicle air outlet structure.

[0002]

2. Description of the Related Art For example, an air outlet structure of a ventilator installed in a car, particularly when driving a car,
A conventional air outlet structure in which the air outlet is opened to allow air to be blown out and the air outlet can be closed during non-operation is disclosed in, for example, JP-A-61-188219. Some are shown in the gazette.

[0003] The air outlet structure of this known example is shown in FIG. 4, in which an opening 3 for blowing air is formed at the front of a case body 2. Inside, a grill frame 4 provided with horizontal blades 5 and vertical blades 6
Are pivotably supported.

A movable shielding plate 7 (door) for opening and closing the opening 3 formed in the case body 2 is provided with horizontal support shafts 8 on both sides.
, Which is rotatably supported by a shaft. The spring 8 is fixed to the support shaft 8 between the case body 2 and the movable shielding plate 7 to constantly urge the movable shielding plate 7 in the closing direction. 9 are provided. Further, one end 10 of an actuator 11 that opens as a drive source for opening and closing the movable shielding plate 7 is fixed to the outside of the case body 2. The other end of the actuator 11 and the movable shielding plate 7 are connected to each other by a wire or the like. They are connected via a connecting tool 12.

In the case where air is not released from the opening 3 of the case body 2, the bias of the spring 9 moves the movable shielding plate 7 in the closing direction, and in the case where air is released, the actuator 9 is actuated. Reference numeral 11 denotes an air outlet opening / closing structure for operating the movable shielding plate 7 in the opening direction.

[0006]

However, in such a known air outlet structure, an actuator 11 for opening and closing the movable shielding plate 7 must be provided outside the case body 1. For this reason, the overall shape of the air outlet structure is increased in size, and it is inconvenient to mount the air outlet structure in a narrow space of the vehicle body.

In the known air outlet structure, a movable shielding plate 7 for opening and closing the air outlet is provided at the front of the grill frame 4 so as to be openable and closable, and the movable shielding plate 7 is opened and closed. The necessity of an operating mechanism for squeezing, and the like, complicates the air outlet structure, and lacks productivity, economy, and the like.

The present invention has been made by paying attention to this fact, and uses a motor that rotates a horizontal louver provided in an air outlet through forward and reverse rotation in conjunction with on / off operation of an ignition switch. When the ignition switch of the automobile is turned on, the air outlet is opened, and when the ignition switch is turned off, the air outlet can be closed automatically so that the air outlet is started and stopped according to the start / stop of the air conditioner. It is a first object of the present invention to ensure that the opening and closing of the door can be reliably and easily performed.

According to the present invention, a motor used for rotating only the horizontal louver or for rotating both the horizontal louver and the damper is provided in a dial for driving a damper for controlling the amount of blown air. The second object of the present invention is to provide an air outlet structure capable of simplifying and reducing the size of the air outlet structure by arranging and further omitting the use of the conventional movable shielding plate.
The purpose of.

[0010]

Means for Solving the Problems The first object and the second object are described.
In order to achieve the above object, in claim 1, a plurality of vertical louvers and a plurality of horizontal louvers are pivotally supported near the air outlet in an air outlet case having an air outlet and an air inlet. Further, in a vehicle air outlet structure in which a dial for rotating each lateral louver is rotatably supported with respect to the blower case, a concave portion is formed in a central portion of a side surface excluding the periphery of the dial, A motor integrally supported with the blower case is fitted into the recess, and an output shaft of the motor is connected to a dial and a lateral louver. Further, the motor is related to an on / off operation of an ignition switch. And a vehicle air outlet structure that can be rotated forward and reverse.

According to a second aspect of the present invention, in addition to the first aspect, the dial is a vehicle air outlet structure connected to an output shaft of the motor.

According to a third aspect of the present invention, in addition to the first or second aspect, each of the lateral louvers is flush with the surface of the air outlet at the closed position. It is a vehicle air outlet structure set as described above.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail based on an embodiment shown in the drawings. First, the components constituting the air outlet structure of the present invention will be described with reference to FIG.
Is a cylindrical blower case connected to an air duct of an in-vehicle air conditioner (not shown).
Is open in both front and rear directions, and the rear opening thereof is an air inlet 12A connected to the air duct,
The front opening is formed in the air outlet 12B,
A finisher 14 having an air outlet 13 is provided at the air outlet 12 </ b> B by a locking member 15 provided on the finisher 14 and a locking portion 16 provided on the blower case 11. It is configured to be attached.

In the vicinity of the air inlet 12A inside the blower case 11, a damper 17 for opening and closing the ventilation passage inside the blower case 11 and controlling the air volume is pivotally supported. A frame-shaped seal piece 18 for improving airtightness with the inner surface of the blower port case 11 is adhered and held on the periphery of the damper 17. Further, the above damper 17
Is formed with a square shaft hole 17A.
A is an arm 1 located outside the blower case 11.
The square shaft 20 provided at one end of the blower 9
The arm 19 is provided with a guide pin 21 protruding from the other end of the arm 19.

Reference numeral 22 denotes a dial which is arranged so as to partially project from a window 23 formed in front of the finisher 14. The dial 22 has one side excluding its peripheral surface. A recess 22A is formed, and an L-shaped guide groove 23 into which the guide pin 21 is loosely fitted is formed in the dial 22. The guide groove 23 It is formed of a first groove 23A having an arc shape having a center, and a second groove 23B extending from one end of the first groove 23A in the axial direction of the dial. Therefore, the guide pin 21 is not
3A, the dial 22 and the damper 1
7 is in a disengaged state, and when the guide pin 21 is located in the first groove 23B, the dial 22 and the damper 17 are in an engaged state.

Reference numeral 24 denotes a small and flat motor which can be accommodated in a recess 22A formed in the dial 22.
For example, it is fixed to a fixed body such as an air vent case 11 through the air inlet 5. The output shaft 24A of the motor 24 and the shaft hole 22B of the dial 22 are serrated and connected.
The output shaft 24A and the dial 22 are integrally connected.

Reference numeral 26 denotes a plurality of vertical louvers disposed in the air outlet 12B of the blower case 11, and these vertical louvers 26 are connected to a link 27 and connected to a central vertical louver 26. Connecting pin 2 provided
6A is connected to a connection shaft 29A provided on an operation piece 29 that is supported by a vertical shaft 28 protruding below the blower case 11 and moves the operation piece 29 in the left-right direction. By rotating, the vertical louver 26 can be deflected in the left-right direction.

Reference numeral 30 denotes a plurality of horizontal louvers disposed in front of the vertical louvers 26.
Numerals 0 are horizontally positioned at equal intervals in the vertical direction via a support frame 31 and are connected via a link 32. The horizontal louver 30 has a square shaft hole 33 formed in the end face of the second horizontal louver 30 from the top. The square shaft hole 33 is coaxial with the output shaft 24A of the motor 24. The square shaft 24B protruding above is configured to be fitted.

The components used in the present embodiment have been described above. Next, assembling the components will be described.
A damper 17 is rotatably supported at an air inlet 12A inside the inside, and a square shaft 20 of an arm 19 is fitted into a square shaft hole 17A of the damper 17 from the outside of the blower case 11. And the arm 19 are connected. In the air outlet 12B in the blower case 11, each vertical louver 26 and each horizontal louver 30 are rotatably supported in front of the vertical louver 26.

Next, of the plurality of vertical louvers 26 pivotally supported by the blower case 11, a connecting pin 26A provided on the central vertical louver 26 is connected to the operation piece 29 which is pivotally supported by the blower case 11. By connecting the connecting shaft 29A and rotating the operation piece 29 in the left-right direction, the vertical louver 2
6 can be changed in the left-right direction.

Next, the motor 24 mounted on the bracket 25 is housed in the recess 22A of the dial 22, and the output shaft 24A of the motor 24 and the dial 22
Of the output shaft 24A, and a square shaft 24B protruding from the tip of the output shaft 24A is provided in the horizontal louver 30 through the through hole 34 formed in the blower case 11. Into the square shaft hole 33 that is provided.

Thereafter, the bracket 25 is fastened to a boss portion 36 protruding from the air outlet case 11 via a mounting screw 35, and further, the air outlet case 11
By attaching the finisher 14 to the opening on the side of the air outlet 12B, the air outlet structure is formed.

In the air outlet structure thus constructed, when the ignition switch of the automobile is turned on, the motor 24 rotates forward, and as a result, the dial 22
As shown in FIG. 3, for example, first, the damper 17 closing the ventilation path of the blower port case 11 rotates in the opening direction, and then the damper 17 continuously closes the air outlet 13 of the finisher 14. The horizontal louver 30 rotates in the opening direction.
Conversely, when the ignition switch is turned off, the motor 24 rotates in the reverse direction, and each horizontal louver 30 rotates in a direction to close the air outlet 13, and the damper 1 continues to rotate.
Reference numeral 7 rotates in a direction in which the ventilation path of the blower case 11 is closed.

If the air conditioner (not shown) is operated when the horizontal louver 30 and the damper 17 that open the air outlet 13 open, the air that has passed through the air outlet case 11 passes through the air outlet 13 and enters the vehicle interior. It is blown out to.

In order to adjust the horizontal direction of the air blown out from the air outlet 13, the operating piece 29 is operated in the horizontal direction to displace the vertical louver 26 and adjust the horizontal direction of the air. Can be.

The vertical direction of the air blown from the air outlet 13 can be adjusted by rotating the dial 22.

It is also possible to manually open and close the damper 17 and the horizontal louver 30 using the dial 22. At this time, the motor 2 follows the operation of the dial 22.
Since the idle rotation occurs, the manual operation can be performed without any trouble.

As described above, according to the present embodiment, the vertical louver 26 can be opened and closed by the operation of the motor in conjunction with the ignition switch. Therefore, the horizontal louver 30 is turned in conjunction with the operation of the ignition key. The opening and closing of the air outlet 13 of the finisher 14 can be automatically performed.

Since the motor 24 is configured to be housed in the recess 22A formed on the side surface of the dial 22, the equipment space of the motor 24 does not protrude to the outside surface of the blower case. As a result, the size of the vehicle air outlet structure can be reduced, and the workability of mounting the structure to the vehicle body can be improved.

Since the output shaft 24A of the motor 24 is directly connected to the dial 22 and the horizontal louver 30, the power transmission mechanism between the dial 22 and the horizontal louver 30 is also simplified, which is advantageous in terms of manufacturing economy.

[0031]

As described above, according to the vehicle air outlet structure of the present invention, the opening and closing of the air outlet can be automatically performed by the horizontal louver 30 by using the motor linked to the operation of the ignition switch. it can. Also horizontal louver 30
And a motor 24 for opening and closing the damper 17
Is mounted in the dial 22 provided for manually rotating the horizontal louver 30 and the damper 17, so that the mounting space for the motor 24 is protruded from the outer surface of the blower case or the like. Therefore, the size of the air outlet structure can be reduced, and the workability of attaching the air outlet structure to the vehicle body can be improved. Further, by directly connecting the output shaft of the motor 24 to the dial 22 and the lateral louver 30, the power transmission mechanism using the dial and the motor is simplified, which is advantageous in terms of manufacturing economy.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment of an air outlet structure according to the present invention.

FIG. 2 is a plan sectional view showing an embodiment of an air outlet structure according to the present invention, particularly showing a positional relationship between a motor and a dial.

FIG. 3 is a longitudinal sectional view showing an embodiment of the air outlet structure according to the present invention, and particularly showing a positional relationship between the air outlet and a horizontal louver.

FIG. 4 is a perspective view showing a conventional air outlet structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 ... Blow-out case 12A ... Air inlet 12B ... Air outlet 13 ... Air outlet 14 ... Finisher 15 ... Locking piece 16 ... Locking part 17 ... Damper 18 ... Frame-shaped sealing piece 19 ... Arm 20 ... Square shaft 21 ... Guide pin 22 ... Dial 23 ... Guide groove 24 ... Motor 25 ... Bracket 26 ... Vertical louver 27 ... Link 28 ... Vertical axis 29 ... Operation piece 30 ... Horizontal louver 31 ... Support frame 32 ... Link 33 ... Square shaft hole 34 ... Transparent Hole 35: Mounting screw 36: Boss

Claims (3)

[Claims] An air outlet (12B) and an air inlet (1).
2A), a plurality of vertical louvers (26) and a plurality of horizontal louvers (30) are pivotally supported near the air outlet (12B) in the air outlet case (11) having the respective air outlets. An air outlet for a vehicle in which a dial (22) for rotating a damper (17) for opening and closing an air passage inside the case (11) and controlling an air volume is rotatably supported with respect to the blower case (11). In the structure, a recess (22A) is formed in the side surface of the dial (22), and a motor (24) integrally supported with the blower port case (11) is fitted into the recess (22A), and the motor ( 24) The output shaft (24A) and the lateral louver (30)
And the motor (24) is normally or reversely rotated in relation to an on / off operation of an ignition switch. 2. The vehicle air outlet structure according to claim 1, wherein the dial (22) is connected to an output shaft (24A) of the motor (24). 3. The lateral louvers (30) are set so that, at the closed position, the surface of the lateral louvers (30) and the surface of the air outlet (12B) are flush with each other. The vehicle air outlet structure according to claim 1 or 2, wherein: