JP5270972B2 - Vehicle wind direction adjusting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicular wind direction adjusting device which prevents a louver from breaking into pieces if the body of a passenger on a vehicle contacts the operation knob provided in air outlets in a cabin on a sudden stop of a vehicle. <P>SOLUTION: The vehicular wind direction adjusting device 100 comprises: a case 10, both ends of which are open and one end of which is connected to the outlet of a vent duct 102 of a vehicular air-conditioning device 101; a louver 70, which has a plurality of louver vanes 42 (42e), at both ends of which shaft parts 42a are formed and which is arranged inside the case 10; and first and second bearing plates 22, 23, which have bearing parts 22ba, 22bb, 22bc which pivotally support the shaft parts 42a provided at both ends of a plurality of the louver vanes 42 (42e). The adjusting device 100 adjusts the wind direction of air blown out from the vent duct 102 by changing the direction of a plurality of the louver vanes 42 (42e). In this device, notch 22ga is provided on either one of the first and second bearing plates 22, 23. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a vehicle wind direction adjusting device that adjusts the wind direction of air blown into a vehicle interior by louver wings.

  2. Description of the Related Art Conventionally, there is known a vehicle wind direction adjusting device that is attached to an air outlet of a duct of an air conditioner disposed inside an instrument panel in a vehicle interior (see, for example, Patent Document 1).

  As shown in FIG. 10A, the vehicle wind direction adjusting device 1 has a case 1a having both ends opened and one end connected to an air outlet of the duct 6, and a louver is provided therein. Yes.

As shown in FIG. 10 (b), this louver is composed of a horizontal louver 4 and a vertical louver 5, and a plurality of louver blades 4a of the horizontal louver 4 are connected to spacers 3 and 3 which are left and right plates, and a plurality of vertical louvers 5 The louver blades 5a are rotatably supported by spacers 7 which are upper and lower plates and are mounted in the case 1a. An operation knob 11 for changing the direction of the plurality of louver blades 4 a and 5 a of the horizontal and vertical louvers 4 and 5, that is, the wind direction, is attached to the shaft portion 5 d of the vertical louver 5.
Japanese Patent Laid-Open No. 2005-199898

  In the conventional vehicle wind direction adjusting device, when the vehicle suddenly stops or collides while traveling, the occupant's body comes into contact with the lateral louver 4 of the vehicle wind direction adjusting device 1, and the vehicle wind direction adjustment is performed by the impact. There was a problem that the louver blade 4a of the lateral louver 4 of the device 1 was broken and fragments were scattered.

  The present invention has been made paying attention to the above problem, and when a vehicle suddenly stops or collides while traveling, the louver wing may break even if the occupant's body abuts against the louver of the vehicle wind direction adjusting device. An object of the present invention is to provide a vehicle wind direction adjusting device.

To achieve the above object, according to the present invention, there is provided a case having both ends opened and one end connected to a duct outlet of a vehicle air conditioner, and a plurality of louver wings having shaft portions formed at both ends. And a bearing plate having a bearing portion that pivotally supports shaft portions at both ends of the plurality of louver blades, and the direction of air blown from the opening at the other end of the case In a vehicle wind direction adjusting device that adjusts by changing the direction of a plurality of louver blades , at least two fragile portions are provided on the bearing plate so as to sandwich the bearing portion, and a bearing portion sandwiched between the fragile portions includes When an adjustment knob for adjusting the wind direction is attached to the louver wing that is pivotally supported, and the adjustment knob is projected from the duct outlet to the occupant's seat side, an impact load is applied to the louver. Of the impact load through the adjusting knob and the louver blades, characterized by being configured to transmit the fragile portion directly to the bearing plate which is formed.

  According to the present invention, when the vehicle suddenly stops or collides while traveling, the louver wing of the vehicle wind direction adjusting device does not break even if the occupant's body hits the louver of the air outlet in the passenger compartment.

  BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the best embodiment of a vehicle wind direction adjusting device according to the present invention will be described with reference to the drawings.

  First, the configuration of the vehicle wind direction adjusting device will be described.

  FIG. 1 is a view showing an instrument panel at the front part of a vehicle interior to which a vehicle wind direction adjusting device according to an embodiment of the present invention is applied. FIG. 2 is a view showing an air outlet of the instrument panel of FIG.

  As shown in FIGS. 1 and 2, a vehicle air conditioner 101 is provided in the center of the instrument panel 104 at the front of the interior of the automobile. The instrument panel 104 has air blowing openings 104a,..., And a vehicle wind direction adjusting device 100 is mounted inside each opening 104a. And the vent duct 102 is arrange | positioned along the vehicle width direction inside the instrument panel 104, and this vehicle air conditioner 101 and the vehicle wind direction adjusting device 100 are connected. The air conditioned by the vehicle air conditioner 101 is blown out from each opening 104 a of the instrument panel 104 via the vent duct 102 and the vehicle wind direction adjusting device 100.

  3 is a cross-sectional view of the vehicle wind direction adjusting device taken along line AA in FIG. 4 is a perspective view of the vehicle wind direction adjusting device of FIG. FIG. 5 is an exploded perspective view of the vehicle wind direction adjusting device of FIG.

  As shown in FIG. 5, the vehicle wind direction adjusting device 100 includes a case 10 that is open at both ends, and a louver 70 that is provided in the case 10 and changes the direction of air blown from the opening 104 a.

  The front opening 11 a on the passenger compartment side of the case 10 is formed substantially the same as the opening 104 a of the instrument panel 104, and the case 10 is attached to the rear surface of the instrument panel 104 at the periphery of the front opening 11 a. Mounting recesses 13b to 16b used for positioning are respectively formed.

  Further, on the upper and lower wall portions of the front opening 11a, screw fixing portions 17a and 17b for fixing the case 10 to the back surface of the instrument panel 104 with screws are provided. Further, a flange 12b to which the vent duct 102 is attached is formed at the opening end 12 of the case 10 which is the back (right side in FIG. 5) of the instrument panel 104 at the time of attachment.

  The louver 70 of the vehicle wind direction adjusting device 100 includes a horizontal louver 30 and a vertical louver 40.

  The lateral louver 30 includes a plurality of louver blades 32 extending in the left-right direction, bearing plates 20 and 21 that support the plurality of louver blades 32 from the left and right sides, and the plurality of louver blades 32,. It has the connection link 31 attached to .... The bearing plates 20 and 21 are mounted in the case 10.

  First shaft portions 32a and 32a that serve as rotational axes of the louver blades 32 project from the left and right ends of each louver blade 32, and a connecting link is provided at the right end (right side in FIG. 5) of each louver blade 32. The 2nd axial part 32b to which 31 is attached is protrudingly provided.

  Of the plurality of louver wings 32,..., The louver wing 32e at the center is formed with a mounting bar 32ec to which an operation knob 50 described later is attached.

  Further, the louver wing 32e is formed with a notch 32ed for preventing interference when the operation knob 50 is operated (see FIG. 5).

  The connecting link 31 has ring-shaped bearings 31a,... Provided at equal intervals on the longitudinal edge thereof, and the right ends of the plurality of louver blades 32,. The second shaft portions 32b,... Are rotatably inserted, and the connecting links 31 are stretched over the individual louver blades 32.

  Therefore, when the direction of one louver blade 32e is changed, the other louver blades 32,... Change direction in the same direction via the connecting link 31.

  Bearing portions 20b and 21b (not shown) having shaft holes 20c and 21c are provided at equal intervals in the vertical direction on the inner side surfaces 20a and 21a of the bearing plates 20 and 21 of the lateral louver 30, respectively.

  The first shaft portions 32a, 32a at both ends of the louver blades 32,..., 32e are rotatably inserted into the shaft holes 20c, 21c of the bearing plates 22, 23, respectively, and the louver blades 32,. Is rotatably supported on the bearing plates 20 and 21.

  The vertical louver 40 includes a plurality of louver blades 42, 42e, 42 that extend in the vertical direction, bearing plates 22, 23 that support the plurality of louver blades 42, 42e, 42 from both the vertical direction, and the plurality of louver blades 42, It has the connection link 41 attached to 42e, 42. The bearing plates 22 and 23 are mounted in the case 10.

  First shaft portions 42a and 42a, which are pivot shafts, protrude from both ends of the louver blades 42, 42e, and 42, and a connecting link 41 is attached to each upper end of the louver blades 42, 42e, and 42. A shaft portion 42b is projected.

  Of the plurality of louver blades 42, 42e, 42, a sliding portion 42ec to which an operation knob 50 described later is attached is formed at the center of the substantially central louver blade 42e.

  The connecting link 41 has ring-shaped bearings 41a, 41a, 41a provided at equal intervals on the longitudinal edges thereof, and the bearings 41a,... Have second ends at both ends of the louver blades 42, 42e, 42. The shaft portion 42b is rotatably inserted, and the connecting link 41 is stretched over the louver blades 42, 42e, 42.

  Therefore, when the direction of one louver wing 42 changes, the direction of the other louver wings 42 changes in the same direction via the connecting link 41.

  On the bearing plate 22 of the vertical louver 40, bearing portions 22ba, 22bb, and 22bc having shaft holes 22c are provided at equal intervals from the left in FIG.

  Further, the bearing plate 23 of the vertical louver 40 is provided with bearing portions 23b having shaft holes 23c,... (See FIG. 5) at equal intervals in the left-right direction.

  The first shaft portions 42a, 42a,... Of the louver blades 42, 42e, 42 are rotatably inserted into the shaft holes 22c, 23c of the bearing plates 22, 23 (see FIG. 4), and the louver blades 42, 42e. , 42 are pivotally supported on the bearing plates 22, 23.

  6 is a perspective view of a bearing plate of the vertical louver in FIG. FIG. 7 is a plan view of the bearing plate of the vertical louver in FIG. 6 as viewed in the direction of arrow A from below. 8 is a cross-sectional view taken along the line BB of the bearing plate of the vertical louver in FIG.

  Notches 22ga and 22gb are formed on both sides of the bearing portion 22bb of the bearing plate 22, and the notches 22ga and 22gb are short direction from the front edge portion 22e of the bearing plate 22 as shown in FIGS. It is formed to reach the center of the bearing plate 22 toward. The width from the rear edge portions 22gaa and 22gba of the notches 22ga and 22gb to the rear edge portion 22f of the bearing plate 22 is smaller than the outer diameter of the bearing portions 22ba, 22bb and 22bc (see FIG. 9).

  As shown in FIG. 5, an operation knob 50 that changes the direction of each louver blade 32e, 42e is attached to the louver 70.

  The operation knob 50 includes a columnar knob 50a, a hole 50ad penetrating the knob 50a, and a clamping part 50b projecting from the tip surface 50ac of the knob 50a in the distal direction.

  The operation knob 50 is slidably attached to the vertical louver 40 by inserting the sliding portion 42ec of the vertical louver 40 into the hole 50ad of the operation knob 50, and further attached to the holding portion 50b of the operation knob 50. The bar 32ec is attached to the louver 70 by sandwiching it.

  The louver 70 is mounted in the front opening 11a of the case 10 (see FIG. 4). The bearing plate 22 is sandwiched and attached between the upper side portions of the front opening 11 a of the case 10.

  As shown in FIG. 3, the case 10 has a flange 12 b connected to the vent duct 102, and is positioned on the back surface of the instrument panel 104 by the mounting recesses 13 b to 16 b of the case 10. , 17b (see FIG. 4) and fixed to the air blowing opening 104a.

  Next, the operation of the vehicle wind direction adjusting apparatus 100 according to the present embodiment will be described.

  When the vehicle suddenly stops or collides during traveling, when the body of the passenger 200 in the passenger seat or driver seat comes into contact with the operation knob 50 or the louver wings 42, 42e, 42, the impact is applied to the louver wings 42, 42e, 42. To the bearing plate 22. The bearing plate 22 is bent from the notches 22ha and 22hb by the impact and absorbs a part of the impact. The broken bearing plate 22 falls off from the upper part of the front opening 11a of the case 10, and the louver blades 42, 42e, 42 fall forward as the bearing plate 22 falls off.

  When the louver wings 42, 42e, 42 fall forward, the impact is released forward, and the louver wings 42, 42e, 42 are not broken by the impact. For this reason, the louver wings 42, 42e, 42g are not broken and fragments are not scattered.

  In the embodiment, the example in which the notches 22ga and 22gb are formed in the bearing plate 22 (the front edge portion 22e on the vehicle interior side) of the vertical louver 40 is shown. However, the notches 22ga and 22gb are limited to both sides of the bearing portion 22bb. Alternatively, a pair may be formed so as to sandwich all of the bearing portions 22ba, 22bb, and 22bc, or each of the bearing portions 22ba, 22bb, and 22bc may be sandwiched. Moreover, it is good also as a structure which notches 22ga and ... are provided in both the bearing plates 22 and 23 of the louver 70, and both the bearing plates 22 and 23 of both sides fall off.

  Moreover, it is good also as a weak line extended in the transversal direction of the bearing plate 22 of the vertical louver 40 instead of the notches 22ga and 22gb. Furthermore, the material of the portion where the fragile line or notch is formed may be a resin material having no impact resistance. That is, the bearing plates 22 and 23 may be provided with a notch, a weak line, or a portion (fragile portion) weakened by a resin material having no impact resistance.

  In the embodiment, an example in which the vehicle wind direction adjusting device is applied to a general vehicle has been described. However, the present invention can be applied as long as the vehicle wind direction adjusting device is provided in front of the seat.

It is a figure which shows the instrument panel of the vehicle interior front part to which the vehicle wind direction adjustment apparatus of the Example which concerns on this invention was applied. It is a figure which shows the air blowing outlet of the instrument panel of FIG. FIG. 3 is a cross-sectional view of the vehicle wind direction adjusting device taken along line AA in FIG. 2. FIG. 3 is a perspective view of the vehicle wind direction adjusting device of FIG. 2. FIG. 3 is an exploded perspective view of the vehicle wind direction adjusting device of FIG. 2. It is a perspective view of the bearing plate of the vertical louver of FIG. It is the top view which looked at the bearing board of the vertical louver of FIG. 5 from the downward direction. It is sectional drawing which followed the BB line for the bearing board of the vertical louver of FIG. It is the top view which looked at the bearing board of the vertical louver before providing a notch from the downward direction. It is a figure which shows the conventional vehicle wind direction adjustment apparatus.

Explanation of symbols

10 Case 22 Bearing plate (first bearing plate)
22ba Bearing part 22bb Bearing part 22bc Bearing part 22ga, 22gb Notch (fragile part)
23 Bearing plate (second bearing plate)
42a 1st axial part 42,42e Louver blade 42a 1st axial part 70 Louver 100 Wind direction adjusting device 101 for vehicles Air conditioner 102 for vehicles Vent duct

Claims (5)

A case in which both ends are open and one end is connected to a duct outlet of a vehicle air conditioner; a louver having a plurality of louver wings having shaft portions formed at both ends; and the plurality of louvers A bearing plate having a bearing portion that pivotally supports shaft portions at both ends of the louver blade, and adjusts the wind direction of the air blown from the opening at the other end of the case by changing the direction of the plurality of louver blades In the vehicle wind direction adjusting device,
While providing at least two weak parts on the bearing plate so as to sandwich the bearing part,
Attaching an adjustment knob for adjusting the wind direction to the louver wing supported by the bearing portion sandwiched between the fragile portions, and projecting the adjustment knob from the duct outlet to the passenger seat side,
When an impact load is applied to the louver, the impact load is directly transmitted to the bearing plate on which the fragile portion is formed via the adjustment knob and the louver blade . Wind direction adjustment device. The louver is arranged such that the axis of the plurality of louver blades extends in the vertical direction,
2. The vehicle wind direction adjusting device according to claim 1, wherein the fragile portion is provided on a first bearing plate that pivotally supports a shaft portion at an upper end of the plurality of louver blades . 3. The vehicle wind direction adjusting device according to claim 2, wherein the fragile portion is also provided on a second bearing plate that pivotally supports a shaft portion at a lower end of the plurality of louver blades . The vehicular wind direction adjusting device according to any one of claims 1 to 3, wherein the fragile portion is provided so as to be adjacent to a bearing portion of the first bearing plate . The fragile portion is a notch formed to extend from the front edge of the bearing plate in the short direction of the bearing plate,
The width from the back edge part of this notch part to the rear edge part of the said bearing plate is narrower than the outer diameter of a bearing part, It is any one of Claim 1 thru | or 4 characterized by the above-mentioned. The vehicle wind direction adjusting device as described.

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