JPH0334593Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) The present invention is a louver device for automobile air conditioning equipment, in particular, a louver case that can be rotated in the vertical direction, and a The present invention relates to a louver device in which vertical fins are swung in the left-right direction by a motor.

(Prior Art) As a louver device for an air conditioner installed in an instrument panel of an automobile, a device disclosed in, for example, Japanese Utility Model Application No. 58-110514 is known. This device has a shaft extending in the left-right direction in a louver case fixed to the instrument panel, and a plurality of disc-shaped fins are arranged on this shaft so as to be diagonal to the shaft and parallel to each other. By rotating the shaft with a motor, the direction in which the fins are arranged can be automatically changed vertically and horizontally.

The louver device equipped with rotary fins as described above can automatically and continuously change the direction of wind blowing to some extent in the vertical and horizontal directions, but
There are problems in that the variable angle of the blowing direction is small and it is difficult to control the blowing direction of the wind from the corners of the louver case.

Therefore, a plurality of vertical fins are attached inside the louver case so as to be able to swing freely in the left-right direction, and this louver case is supported in the instrument panel section so as to be able to freely swing around a rotation axis that extends in the left-right direction. A louver device has also been considered in which a moving operating lever is engaged with the vertical fin, thereby causing the vertical fin to swing. In such a louver device, by moving the operating lever and swinging the vertical fins, the direction in which the air blows out can be largely changed from side to side, and by rotating the louver case up and down, It is also possible to greatly change the direction of wind blowing in the vertical direction. Further, in this louver device, since the vertical and horizontal fins can be provided up to the vicinity of the corners of the louver case, the direction of wind blowing from the corners of the louver case can also be well controlled.

However, in the louver device with the above configuration,
When the operating lever is driven by a motor to automatically and continuously change the direction of airflow, the motor and operating lever are fixed to the instrument panel, whereas the louver case is rotatable. The engagement position between the operating lever and the vertical fin changes depending on the rotational position of the louver case.
If this happens, the driving force of the motor transmitted to the vertical fins will not be constant, and depending on the rotational position of the louver case, the vertical fins may not swing smoothly.

(Purpose of the invention) Therefore, the present invention provides a louver case in which the driving force of the motor transmitted to the vertical fins can be maintained constant, and the vertical fins can be smoothly swung regardless of the rotational position of the louver case. The object of the present invention is to provide a rotating type louver device.

(Structure of the invention) As described above, the louver device for an automobile air conditioner according to the invention includes a louver case that is rotatable around a rotation axis extending in the left-right direction, and a louver case that swings in the left-right direction within the louver case. In a louver device having a plurality of freely movable vertical fins, an operating lever that engages with the vertical fins and swings the vertical fins by being moved in the left-right direction is supported on the louver case, and A movable member that is moved in the left-right direction by a motor is provided, and the movable member and the actuation lever are connected to each other by a movable member that can transmit the left-right movement of the movable member to the actuation lever and that is coaxial with the louver case rotation axis. It is characterized by being connected so that they can rotate relative to each other around a rotation axis.

(Function) If the movable member and the operating lever are connected so as to be relatively rotatable as described above, and the operating lever is supported by the louver case, the engagement between the operating lever and the vertical fin will be maintained even when the louver case is rotated. The matching state does not change at all, so the driving force transmitted from the motor to the vertical fins via the moving member and the operating lever is always kept constant.

(Example) Hereinafter, the present invention will be described in detail based on an example shown in the drawings.

1, 2 and 3 show a louver device according to an embodiment of the present invention, and FIG. 4 shows the louver device installed in an automobile. First, as shown in FIGS. 2 and 3, an instrument panel 2, which is a panel member provided in the interior of an automobile, has a pair of left and right spaces 1,
1 is formed, and these spaces 1 and 1 are connected, for example, to an air intake at the front of the car, a heater core for heating, a heat exchanger for cooling, etc. via a fan through a common duct (not shown). It is communicated. A louver case 5 is housed in each of the spaces 1, 1. These louver cases 5 are attached to the side walls 2a, 2a of the instrument panel 2 defining the spaces 1, 1, respectively.
It is supported rotatably in the vertical direction about a rotation shaft 6 extending in the left-right direction.

A plurality of vertical fins 3 and horizontal fins 4 are disposed in each of these louver cases 5 in a state that they intersect with each other. The horizontal fins 4 are fixed to the louver case 5 so as to be aligned parallel to each other and arranged vertically. On the other hand, the vertical fins 3 extend in the vertical direction, and the upper and lower wall portions 5b, 5b of the louver case 5
It is fixed to a shaft 8 rotatably supported by.
These shafts 8 are arranged at predetermined intervals in the left-right direction. Further, each of the vertical fins 3 is rotatably engaged with a connecting member 9 at a position on the rear side (upper side in FIG. 2) of the shaft 8, for example, at its upper end, and is connected to each other. A fan-shaped operating lever 10 is fixed to the front surface of one of the vertical fins 3, 3a. Therefore, when the operating lever 10 is moved in the left-right direction, these vertical fins 3 interlock with each other and each swing in the same direction (left or right direction) around the shaft 8.
The blowing direction of the air sent from the fan can be manually adjusted in the left-right direction.

Further, one vertical fin 3b of the plurality of vertical fins 3 has a pin 1 extending in the vertical direction at an end further rearward than the locking portion with the connecting member 9.
2 is installed. The pin 12 is engaged with an engagement piece 15a that is engaged with the operating lever 15. This engagement piece 15a has an elongated engagement hole 15b on the front end side, and this engagement hole 15b engages with the pin 12 as described above, and the rear end side is locked with the actuating lever 15. As clearly shown in FIG. 3, this locked state is achieved by fixing a spring piece 17 having a substantially U-shaped cross section to the engaging piece 15a, and inserting a friction material (an anti-slip material) into the spring piece 17. This is maintained by sandwiching the operating lever 15 via the resin member 18. Therefore, actuating lever 1
If excessive stress is applied between the engagement piece 5 and the engagement piece 15a, the two will slide relative to each other, preventing each from breaking.

Each of the operating levers 15 has a louver case 5.
It is supported on the side wall portion 5a of , so as to be movable in the left-right direction. And as shown in detail in Figure 1,
The inner ends of these operating levers 15 are largely bent and are rotatably connected to both ends of the moving shaft 20, respectively. This moving axis 20 is connected to the louver case 5
It is arranged coaxially with the rotation axis 6 of. Actuation lever 1
The inner end of 5 is at the tip of this moving shaft 20,
They are supported between a pair of stoppers 22 and 23, and therefore, when the moving shaft 20 is moved in the left-right direction (in the direction of arrow A in FIG. 1), these operating levers 15 also move in the left-right direction. It's becoming like that.
A pin engaging portion 24 is provided at the center of the moving shaft 20.
is fixed. As shown in FIG. 2, this pin engaging portion 24 has a pin groove 24a extending in the front-rear direction on its lower surface, and this pin groove 24a includes:
A pin 26 protruding from an eccentric position on the cam plate 25 is engaged. This cam plate 25
is rotated by a motor 27 fixed to the instrument panel 2. As this motor 27, for example, a motor in which a reduction gear train is integrally incorporated is used, and the cam plate 25 is configured to rotate at a low speed.

When the cam plate 25 is rotated as described above, the pin 26 slides within the pin groove 24a and reciprocates the pin engaging portion 24 in the left-right direction. Then, together with the pin engaging portion 24, the moving shaft 20 and the operating lever 15 also reciprocate in the left-right direction. Actuation lever 1
5 reciprocates in the left-right direction, the vertical fins 3b repeatedly swing in the left-right direction via the engagement piece 15a,
Other vertical fins 3 connected to this vertical fin 3b via connecting members 9 also swing in the left-right direction.
Therefore, the blowing direction of the wind blown out from the spaces 1, 1 is automatically and continuously changed in the left-right direction, and a so-called swing louver is realized.

The above-mentioned louver device is incorporated into the instrument panel 2 of an automobile in the state shown in FIG. 27 (that is, the swinging of the vertical fins 3) is controlled. Further, the louver case 5 can be manually rotated in the vertical direction by, for example, gripping the horizontal fins 4. Therefore, the direction in which the air is blown can also be changed vertically as appropriate. At this time, as mentioned above, the operating lever 1
5 is rotatable around a moving shaft 20 that is coaxial with the rotating shaft 6 of the louver case 5, so even if the louver case 5 is rotated, the engagement state of the operating lever 15 and the vertical fin 3 remains unchanged. will not change in any way. Therefore, the driving force of the motor 27 is always transmitted to the vertical fins 3 at a constant magnitude, regardless of the rotational position of the louver case 5. Note that the louver case 5 may be configured to repeatedly rotate in the vertical direction by the motor 27 via a known rotation-reciprocation conversion mechanism. By doing so, it is possible to obtain a swing louver in which the wind blowing direction changes automatically and continuously in the vertical direction as well.

In the embodiment described above, the moving shaft 20 is disposed coaxially with the rotating shaft 6 of the louver case 5, but depending on the layout of the drive mechanism, the moving shaft 20 may be bent as appropriate. Good too. Even if this is done, if the relative rotational axis between the moving shaft 20 and the actuating lever 15 is aligned coaxially with the rotational axis 6, the vertical fin can be rotated regardless of the rotational position of the louver case 5 as described above. 3 can transmit a constant driving force.

Further, in the above embodiment, the moving member for moving the actuating lever 15 is composed of the moving shaft 20 and the pin engaging part 24, but as shown in FIG. It may be extended to replace the moving shaft 20, and its tip may be connected to the pin engaging portion 24 so as to be relatively rotatable.

Further, the louver cases 5, 5 may be attached to a panel member on a side wall inside the vehicle interior.

(Effects of the invention) As explained in detail above, the louver device for automobile air conditioning equipment of the invention can automatically greatly change the direction of air blowing in the left and right directions by driving the vertical fins with a motor. Furthermore, since the louver case itself is rotatable in the vertical direction, the blowing direction can be greatly changed in the vertical direction as well.
In this way, since the vertical fins and the louver case are moved to change the direction in which the air is blown out, the direction in which the air is blown out from the corners of the louver case can also be well controlled.

Moreover, in the louver device of the present invention, since the actuation lever that swings the vertical fin is rotatable together with the louver case, the actuation lever and the vertical fin can be rotated in any rotational position of the louver case. The state of engagement is maintained constant. Therefore, the driving force transmitted from the motor to the vertical fins is maintained constant, so that the vertical fins always swing smoothly and the wind direction can be adjusted satisfactorily.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing the main parts of the device according to the first embodiment of the present invention, FIG. 2 is a partially cutaway plan view of the device of the above embodiment, FIG. This figure is a perspective view showing the device of the above embodiment installed in an automobile, and FIG. 5 is a perspective view showing the main parts of the device of the second embodiment of the present invention. 2... Instrument panel, 3... Vertical fin, 4... Horizontal fin, 5... Louver case, 6...
... Louver case rotation axis, 15 ... Actuation lever, 1
5a...Engagement piece, 20...Movement shaft, 22, 23...
...Stopper, 24...Pin engaging portion, 24a...Pin groove, 25...Cam plate, 26...Pin, 2
7...Motor.

Claims (1)

[Scope of Claim for Utility Model Registration] A louver case supported by a panel member in the vehicle interior so as to be freely rotatable in the vertical direction about a rotation axis; In a louver device for an automobile air conditioner equipped with a plurality of freely attached vertical fins, the louver device is supported by the louver case, engages with the vertical fins, and is moved in the left-right direction of the louver case, thereby increasing the vertical fins. An operating lever for swinging the fins and a moving member that is moved in the left-right direction of the louver case by a motor are provided, and the moving member and the operating lever are arranged so that the left-right movement of the moving member is controlled by the operating lever. 1. A louver device for an air conditioner for an automobile, characterized in that the louver device is connected to allow relative rotation about a rotating shaft coaxial with the rotating shaft.