JP2010132204A - Wind direction adjustment device of vehicular ventilator - Google Patents

Wind direction adjustment device of vehicular ventilator Download PDF

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JP2010132204A
JP2010132204A JP2008311651A JP2008311651A JP2010132204A JP 2010132204 A JP2010132204 A JP 2010132204A JP 2008311651 A JP2008311651 A JP 2008311651A JP 2008311651 A JP2008311651 A JP 2008311651A JP 2010132204 A JP2010132204 A JP 2010132204A
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wind direction
rotating shaft
adjusting device
support piece
vehicle ventilator
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JP5200899B2 (en
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Tetsuya Kudo
哲也 工藤
Hiroaki Tojima
弘明 東島
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Nissan Motor Co Ltd
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Nissan Motor Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a wind direction adjustment device of a vehicular ventilator, for suppressing degradation of operability along with a dimension error of a rotary shaft support position. <P>SOLUTION: The wind direction adjustment device of the vehicular ventilator includes a support piece 18 to be elastically deformed while contacting to a step face 13a of a rotary shaft part 13 when the rotary shaft part 13 is inserted in a shaft hole 21, and sets an elastic deformation allowing space 22 for allowing movement of the support piece 18 to the direction opposite to an elastic contact direction to the step face 13a when a vertical louver 7 is operated. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、車室内の空気吹き出し口に配置する車両用ベンチレータの風向き調整装置の技術分野に属する。   The present invention belongs to the technical field of a wind direction adjusting device for a vehicle ventilator disposed at an air outlet in a vehicle compartment.

従来、車両用ベンチレータの風向き調整装置では、可動ルーバの回転軸をＣ字状の弾性保持部で支持し、各弾性保持部間にリブ部を挿入して弾性保持部内周を回転軸と圧接させることで、可動ルーバに所定の操作力を付与している。上記説明の技術に関係する一例は、特許文献１に記載されている。
特開２００２−３４０３９２号公報 Conventionally, in a wind direction adjusting device for a vehicle ventilator, a rotating shaft of a movable louver is supported by a C-shaped elastic holding portion, and a rib portion is inserted between the elastic holding portions so that an inner periphery of the elastic holding portion is pressed against the rotating shaft. Thus, a predetermined operating force is applied to the movable louver. An example relating to the technique described above is described in Patent Document 1.
JP 2002-340392 A

しかしながら、上記従来技術にあっては、弾性保持部の可動ルーバ回転軸直交方向の移動がリブ部により規制されているため、上下保持部の寸法誤差により可動ルーバの回転軸が適正角度（設計角度）に対して傾斜している場合、弾性保持部の回転軸への圧接力が設計値よりも大きくなる。つまり、可動ルーバの必要操作力が設計値よりも大きくなるため、操作性の悪化を招くという問題があった。   However, in the above prior art, since the movement of the elastic holding portion in the direction orthogonal to the movable louver rotation axis is restricted by the rib portion, the rotation axis of the movable louver is adjusted to an appropriate angle (design angle) due to the dimensional error of the upper and lower holding portions. ), The pressure contact force of the elastic holding part to the rotating shaft becomes larger than the design value. That is, since the required operating force of the movable louver is larger than the design value, there is a problem that the operability is deteriorated.

本発明の目的は、回転軸支持位置の寸法誤差に伴う操作性の悪化を抑制できる車両用ベンチレータの風向き調整装置を提供することにある。   An object of the present invention is to provide a wind direction adjusting device for a vehicle ventilator that can suppress deterioration in operability associated with a dimensional error in a rotation shaft support position.

上記目的を達成するため、本発明では、可動ルーバの回転軸を挿入する軸穴に回転軸部を挿入したとき可動ルーバと接触して弾性変形する支持片を設け、可動ルーバの操作時、支持片の弾接方向と反対方向への移動を許容する弾性変形許容空間を設定した。   In order to achieve the above object, the present invention provides a support piece that elastically deforms by contact with the movable louver when the rotary shaft portion is inserted into the shaft hole into which the rotary shaft of the movable louver is inserted. An elastic deformation allowable space that allows movement of the piece in the direction opposite to the elastic contact direction was set.

よって、本発明にあっては、回転軸支持位置の寸法誤差に伴う必要操作力の増大を抑え、操作性の悪化を抑制できる。   Therefore, according to the present invention, it is possible to suppress an increase in required operating force accompanying a dimensional error at the rotation shaft support position and to suppress deterioration in operability.

以下、本発明の車両用ベンチレータの風向き調整装置を実施するための最良の形態を、図面に示す実施例に基づいて説明する。   BEST MODE FOR CARRYING OUT THE INVENTION The best mode for carrying out a wind direction adjusting device for a vehicle ventilator according to the present invention will be described below based on an embodiment shown in the drawings.

まず、実施例１の構成を説明する。
図１〜図３は、実施例１の車両用ベンチレータの風向き調整装置を構成する各部品の正面側（車室内側）斜視図であり、図１はベンチレータケース１、図２はベンチレータフィニッシャ２、図３は可動ルーバ３である。 First, the configuration of the first embodiment will be described.
FIGS. 1 to 3 are front side (vehicle interior side) perspective views of components constituting the wind direction adjusting device for a vehicle ventilator according to the first embodiment. FIG. 1 is a ventilator case 1, and FIG. 2 is a ventilator finisher 2. FIG. 3 shows the movable louver 3.

ベンチレータケース１は、図外のインストルメントパネルの左右両端に配置する。このベンチレータケース１は、インストルメントパネルの内部に設けた送風用ダクト（不図示）と接続するダクト部４と、可動ルーバ３を収容する収容部５とを有する筒状ケースである。   The ventilator case 1 is disposed at both left and right ends of an instrument panel (not shown). The ventilator case 1 is a cylindrical case having a duct part 4 connected to a blower duct (not shown) provided inside the instrument panel and an accommodating part 5 for accommodating the movable louver 3.

収容部５は、その前面に、可動ルーバ３を介して車室内に風を送る送風口６を有する。また、収容部５は、その左右側面に、可動ルーバ３の横ルーバ８を取り付ける複数の軸穴５ａを有する。また、収容部５は、その内周下面に、可動ルーバ３の下側スペーサ１１を装着する方形の溝部５ｂを有する。
ベンチレータフィニッシャ２は、ベンチレータケース１の収容部５の前面を覆うもので、その前面に空気吹き出し口２ａを有する。 The accommodating part 5 has the ventilation port 6 which sends a wind into a vehicle interior via the movable louver 3 in the front surface. Moreover, the accommodating part 5 has the some axial hole 5a which attaches the horizontal louver 8 of the movable louver 3 to the left and right side surfaces. Moreover, the accommodating part 5 has the square-shaped groove part 5b which mounts the lower spacer 11 of the movable louver 3 in the inner peripheral lower surface.
The ventilator finisher 2 covers the front surface of the accommodating portion 5 of the ventilator case 1 and has an air outlet 2a on the front surface thereof.

可動ルーバ３は、複数の縦ルーバ７と、複数の横ルーバ８と、縦ルーバ７および横ルーバ８の向きを調整する操作摘み９と、縦ルーバ７を支持する上側スペーサ１０および下側スペーサ１１と、を有する。   The movable louver 3 includes a plurality of vertical louvers 7, a plurality of horizontal louvers 8, an operation knob 9 that adjusts the orientation of the vertical louvers 7 and the horizontal louvers 8, and an upper spacer 10 and a lower spacer 11 that support the vertical louvers 7. And having.

各縦ルーバ７は、横方向の風向きを調整するためのもので、幅方向（図３の左右方向）に所定間隔で並ぶ。縦ルーバ７は、羽体１２と、この羽体１２の回転軸方向両端に突設する回転軸部１３とを有する。回転軸部１３は、大径部１４と小径部１５とからなり、大径部１４は羽体１２側、小径部１５は大径部１４を挟んで羽体１２の反対側に位置する（図４参照）。   The vertical louvers 7 are for adjusting the wind direction in the horizontal direction, and are arranged at a predetermined interval in the width direction (left-right direction in FIG. 3). The vertical louver 7 includes a wing body 12 and a rotation shaft portion 13 projecting from both ends of the wing body 12 in the rotation axis direction. The rotary shaft portion 13 is composed of a large diameter portion 14 and a small diameter portion 15. The large diameter portion 14 is located on the wing body 12 side, and the small diameter portion 15 is located on the opposite side of the wing body 12 with the large diameter portion 14 in between (see FIG. 4).

各横ルーバ８は、縦方向の風向きを調整するためのもので、上下方向（図３の上下方向）に所定間隔で並ぶ。横ルーバ８は、羽体１２と、この羽体１２の回転軸方向両端に突設する回転軸部１６とを有する。回転軸部１６の構造は、縦ルーバ７の回転軸部１３の構造と同一であるため、図示は省略する。回転軸部１６の小径部は、上述したベンチレータケース１の軸穴５ａと嵌合する。   The horizontal louvers 8 are for adjusting the wind direction in the vertical direction, and are arranged at predetermined intervals in the vertical direction (the vertical direction in FIG. 3). The horizontal louver 8 has a wing 12 and a rotating shaft portion 16 projecting from both ends of the wing 12 in the rotating shaft direction. Since the structure of the rotating shaft part 16 is the same as the structure of the rotating shaft part 13 of the vertical louver 7, the illustration is omitted. The small diameter part of the rotating shaft part 16 is fitted in the shaft hole 5a of the ventilator case 1 described above.

操作摘み９は、縦ルーバ７の１つと回転軸方向相対移動可能、かつ、回転軸直交方向相対移動不能に連結する。また、横ルーバ８の１つと回転軸方向相対移動可能、かつ、回転軸直交方向相対移動不能に連結する。よって、操作摘み９を横方向（横ルーバ８の回転軸方向）に動かすことで縦ルーバ７の角度を変更し、風向きの横方向を調整できる。また、操作摘み９を縦方向（縦ルーバ７の回転軸方向）に動かすことで横ルーバ８の角度を変更し、風向きの縦方向を調整できる。
なお、操作摘み９が設けられた縦ルーバ７、横ルーバ８は、それぞれ他の縦ルーバ７、７、横ルーバ８、８と図外の連結棒によって連結され、縦ルーバ７、７、横ルーバ８、８がそれぞれ一体に動き、横方向、縦方向に角度変更される。 The operation knob 9 is connected to one of the vertical louvers 7 so as to be relatively movable in the rotation axis direction and not to be relatively movable in the rotation axis orthogonal direction. Further, it is connected to one of the lateral louvers 8 so as to be capable of relative movement in the rotation axis direction and not to be movable in the rotation axis orthogonal direction. Therefore, the angle of the vertical louver 7 can be changed by moving the operation knob 9 in the horizontal direction (the rotational axis direction of the horizontal louver 8), and the horizontal direction of the wind direction can be adjusted. Further, the angle of the horizontal louver 8 can be changed by moving the operation knob 9 in the vertical direction (the rotational axis direction of the vertical louver 7), and the vertical direction of the wind direction can be adjusted.
The vertical louver 7 and the horizontal louver 8 provided with the operation knob 9 are connected to the other vertical louvers 7 and 7 and the horizontal louvers 8 and 8 by connecting rods (not shown). 8 and 8 move together to change the angle in the horizontal and vertical directions.

上側スペーサ１０は、ベンチレータケース１の収容部５の上部に装着可能な形状を有し、空気吹き出し口２ａの内壁面を構成する。上側スペーサ１０は、縦ルーバ７の回転軸部１３を嵌合可能な軸穴（不図示）を有する。   The upper spacer 10 has a shape that can be mounted on the upper portion of the accommodating portion 5 of the ventilator case 1 and constitutes the inner wall surface of the air outlet 2a. The upper spacer 10 has a shaft hole (not shown) into which the rotary shaft portion 13 of the vertical louver 7 can be fitted.

次に、図４、図５を加えて下側スペーサ１１の構成について説明する。
図４、図５に示すように、下側スペーサ１１は、基部１７と支持片１８とを有する。下側スペーサ１１の素材としては、合成樹脂等の弾性変形可能な素材を用いている。
基部１７は、収容部５の内周下面に形成した溝部５ｂに装着可能であり、空気吹き出し口２ａの内壁面を構成する。
支持片１８は、縦ルーバ７が上側スペーサ１０および下側スペーサ１１から脱落しないように縦ルーバ７を弾性支持するもので、立ち上がり部１９と支持部２０とを有する。
立ち上がり部１９は、ベンチレータフィニッシャ２の空気吹き出し口２ａ側に位置し、空気吹き出し口２ａの内壁面を形成する下側スペーサ１１の基部１７の端縁１１ａから上方、すなわち空気吹き出し口２ａの内側、かつ、端縁１１ａと反対側の端縁の方向に向かって立ち上がる。 Next, the configuration of the lower spacer 11 will be described with reference to FIGS.
As shown in FIGS. 4 and 5, the lower spacer 11 includes a base portion 17 and a support piece 18. As the material of the lower spacer 11, an elastically deformable material such as a synthetic resin is used.
The base portion 17 can be attached to a groove portion 5b formed on the inner peripheral lower surface of the housing portion 5, and constitutes an inner wall surface of the air outlet 2a.
The support piece 18 elastically supports the vertical louver 7 so that the vertical louver 7 does not fall off from the upper spacer 10 and the lower spacer 11, and has a rising portion 19 and a support portion 20.
The rising portion 19 is located on the air outlet 2a side of the ventilator finisher 2 and is above the edge 11a of the base 17 of the lower spacer 11 forming the inner wall surface of the air outlet 2a, that is, inside the air outlet 2a. And it rises in the direction of the edge opposite to the edge 11a.

図４に示すように、支持部２０は、軸穴２１を有して立ち上がり部１９の先端側に位置し、回転軸部１３を上方（回転軸方向）に押圧する。具体的には、支持部２０の上面２０ａは、回転軸部１３の大径部１４と小径部１５により形成される段差面１３ａを、回転軸方向に押圧状態で弾接している。   As shown in FIG. 4, the support portion 20 has a shaft hole 21 and is positioned on the leading end side of the rising portion 19, and presses the rotation shaft portion 13 upward (in the rotation axis direction). Specifically, the upper surface 20a of the support portion 20 elastically contacts the step surface 13a formed by the large diameter portion 14 and the small diameter portion 15 of the rotation shaft portion 13 in a pressed state in the rotation axis direction.

下側スペーサ１１の基部１７の端縁１１ａから上方へ立ち上がる立ち上がり部１９により、下側スペーサ１１の基部１７と支持部２０との間は空隙となる。実施例１では、この空隙を弾性変形許容空間２２とする。弾性変形許容空間とは、操作摘み９により縦ルーバ７を左右方向に回動したとき、支持片１８の縦ルーバ７への弾接方向と反対方向（図４の下方向）への移動を許容する空間である。
支持部２０は、立ち上がり部１９側端縁から軸穴２１にかけて、回転軸部１３を軸穴２１まで案内するガイド溝２３を有する。 Due to the rising portion 19 rising upward from the edge 11 a of the base portion 17 of the lower spacer 11, a gap is formed between the base portion 17 of the lower spacer 11 and the support portion 20. In the first embodiment, this gap is defined as an elastic deformation allowable space 22. The elastic deformation allowable space is the movement of the support piece 18 in the direction opposite to the elastic contact direction to the vertical louver 7 (downward in FIG. 4) when the vertical louver 7 is rotated in the left-right direction by the operation knob 9. Space.
The support portion 20 has a guide groove 23 that guides the rotary shaft portion 13 to the shaft hole 21 from the edge on the rising portion 19 side to the shaft hole 21.

ここで、図４に示した支持片１８は、縦ルーバ７を組み付けた後の状態、すなわち、使用状態である。また、図４において破線で示す部分は、縦ルーバ７を組み付ける前の支持片１８の状態を示す。つまり、縦ルーバ７を組み付けた後は、実線と破線との位置差（図４のストローク）だけ支持片１８は弾性変形している。   Here, the support piece 18 shown in FIG. 4 is in a state after the vertical louver 7 is assembled, that is, in a used state. Moreover, the part shown with a broken line in FIG. 4 shows the state of the support piece 18 before the vertical louver 7 is assembled. That is, after the vertical louver 7 is assembled, the support piece 18 is elastically deformed by a positional difference between the solid line and the broken line (stroke in FIG. 4).

次に、実施例１の車両用ベンチレータの風向き調整装置の組み付け手順について説明すると、まず、横ルーバ８をベンチレータケース１に組み付ける。続いて、上側スペーサ１０と下側スペーサ１１をベンチレータケース１にそれぞれ取り付けた後、送風口６側から縦ルーバ７を両スペーサ１０，１１に組み付ける。次に、操作摘み９を両ルーバ７，８に取り付ける。最後に、ベンチレータフィニッシャ２をベンチレータケース１に取り付ける。   Next, the procedure for assembling the wind ventilating apparatus for a vehicle ventilator according to the first embodiment will be described. First, the lateral louver 8 is assembled to the ventilator case 1. Subsequently, after attaching the upper spacer 10 and the lower spacer 11 to the ventilator case 1, the vertical louver 7 is assembled to both the spacers 10 and 11 from the air blowing port 6 side. Next, the operation knob 9 is attached to both louvers 7 and 8. Finally, the ventilator finisher 2 is attached to the ventilator case 1.

次に、作用を説明する。
実施例１の車両用ベンチレータの風向き調整装置では、乗員が操作摘み９を横方向（横ルーバ８の回転軸方向）に動かすことで、縦ルーバ７の角度を変更できる。このとき、縦ルーバ７の操作反力、すなわち、操作者が縦ルーバ７を操作するために必要な操作力（以下、必要操作力）は、図５に示すように、支持片１８が縦ルーバ７を押す力（弾性力）ｆ１により決まる。 Next, the operation will be described.
In the wind direction adjusting device for a vehicle ventilator according to the first embodiment, the occupant can change the angle of the vertical louver 7 by moving the operation knob 9 in the horizontal direction (the rotational axis direction of the horizontal louver 8). At this time, the operation reaction force of the vertical louver 7, that is, the operation force necessary for the operator to operate the vertical louver 7 (hereinafter referred to as “required operation force”), as shown in FIG. 7 is determined by a force (elastic force) f1.

すなわち、必要操作力は、支持部２０の上面２０ａと、回転軸部１３の段差面１３ａとの摩擦力により決まり、この摩擦力は、支持片１８の上記ストロークに応じて決まるため、所望の必要操作力が得られるようなストロークを設定することで、操作力を狙った値とすることができる。   That is, the required operating force is determined by the frictional force between the upper surface 20a of the support portion 20 and the stepped surface 13a of the rotary shaft portion 13, and this frictional force is determined according to the stroke of the support piece 18, so that it is desired. By setting the stroke so that the operation force can be obtained, it is possible to obtain a value aimed at the operation force.

ここで、上側スペーサ１０の軸穴の位置または下側スペーサ１１の軸穴２１の位置に寸法誤差が生じ、縦ルーバ７の回転軸が適正角度（設計角度）に対して傾斜している場合、回転軸部１３の小径部１５が軸穴２１に対して傾斜し、小径部１５と軸穴２１の内壁面とが点当たり状態となる。   Here, when a dimensional error occurs in the position of the shaft hole of the upper spacer 10 or the position of the shaft hole 21 of the lower spacer 11, and the rotation axis of the vertical louver 7 is inclined with respect to an appropriate angle (design angle), The small diameter portion 15 of the rotary shaft portion 13 is inclined with respect to the shaft hole 21, and the small diameter portion 15 and the inner wall surface of the shaft hole 21 are in a spotted state.

このとき、支持部２０の位置が固定されている状態を想定した場合、上記点当たりに伴い縦ルーバ７を操作するときの摺動抵抗が増大するため、必要操作力が狙った値よりも大きくなり、操作性の悪化を招くおそれがある。   At this time, assuming a state in which the position of the support portion 20 is fixed, the sliding resistance when operating the vertical louver 7 increases in accordance with the above points, so the required operating force is larger than the target value. Therefore, the operability may be deteriorated.

これに対し、実施例１では、縦ルーバ７の操作時、支持部２０の縦ルーバ７への弾接方向と反対方向への移動を許容する弾性変形許容空間２２を設定している。言い換えると、縦ルーバ７の回転軸部１３の支持を、弾性変形許容空間２２によりストロークを確保したバネ構造とした。   On the other hand, in the first embodiment, when the vertical louver 7 is operated, the elastic deformation allowable space 22 that allows the support portion 20 to move in the direction opposite to the elastic contact direction with the vertical louver 7 is set. In other words, the support of the rotating shaft portion 13 of the vertical louver 7 has a spring structure in which a stroke is secured by the elastic deformation allowable space 22.

このため、点当たりに伴い小径部１５から支持部２０へ入力される力の一部を、支持片１８を弾性変形許容空間２２側へ弾性変形させることで吸収できる。つまり、回転軸支持位置の寸法誤差に伴う摺動抵抗の増大を小さく抑え、必要操作力が所望の操作力よりも増大するのを抑制できる。すなわち、寸法精度がばらついたとしても、安定した操作反力を得ることができる。
また、点当たりする小径部１５と支持部２０の摩耗を抑制でき、耐久性の向上を図ることができる。 For this reason, a part of the force input from the small diameter portion 15 to the support portion 20 when hitting the points can be absorbed by elastically deforming the support piece 18 toward the elastic deformation allowable space 22 side. That is, it is possible to suppress an increase in sliding resistance due to a dimensional error in the rotation shaft support position, and to suppress an increase in necessary operation force from a desired operation force. That is, even if the dimensional accuracy varies, a stable operation reaction force can be obtained.
Further, the wear of the small diameter portion 15 and the support portion 20 that hit each other can be suppressed, and the durability can be improved.

また、支持部２０に回転軸部１３を押し当てて下方側へ弾性変形させつつ縦ルーバ７の上下回転軸部を軸穴に嵌合するだけで縦ルーバ７を組み付けることができるため、複雑な組み付け作業が不要であり、組み付け作業性の向上を図ることができる。
さらに、支持部２０にはガイド溝２３を設けたため、このガイド溝２３により回転軸部１３の小径部１５が軸穴２１へ向ってガイドされるので縦ルーバ７の組み付け作業性をより高めることができる。 Further, the vertical louver 7 can be assembled simply by fitting the vertical rotary shaft portion of the vertical louver 7 into the shaft hole while pressing the rotary shaft portion 13 against the support portion 20 and elastically deforming it downward. Assembling work is not required, and assembling workability can be improved.
Further, since the guide portion 23 is provided in the support portion 20, the small diameter portion 15 of the rotating shaft portion 13 is guided toward the shaft hole 21 by the guide groove 23, so that the workability of assembling the vertical louver 7 can be further improved. it can.

次に、効果を説明する。
実施例１の車両用ベンチレータの風向き調整装置にあっては、以下に列挙する効果を奏する。 Next, the effect will be described.
The wind ventilating apparatus for a vehicle ventilator according to the first embodiment has the following effects.

(1) 軸穴２１に回転軸部１３を挿入したとき回転軸部１３の段差面１３ａと接触して弾性変形する支持片１８を備え、縦ルーバ７の操作時、支持片１８の段差面１３ａへの弾接方向と反対方向への移動を許容する弾性変形許容空間２２を設定した。これにより、回転軸支持位置の寸法誤差に伴う必要操作力の増大を抑え、操作性の悪化を抑制できる。   (1) Provided with a support piece 18 that comes into contact with the step surface 13a of the rotation shaft portion 13 and elastically deforms when the rotation shaft portion 13 is inserted into the shaft hole 21, and when the vertical louver 7 is operated, the step surface 13a of the support piece 18 An elastic deformation allowable space 22 that allows movement in the direction opposite to the elastic contact direction is set. Thereby, increase of the required operation force accompanying the dimension error of a rotating shaft support position can be suppressed, and deterioration of operability can be suppressed.

(2) 支持片１８を、空気吹き出し口２ａの内壁面を構成する下側スペーサ１１から空気吹き出し口２ａの内側へ向かって立ち上がり、当該立ち上がり方向と反対方向に弾性変形可能な立ち上がり部１９と、軸穴２１を有して立ち上がり部１９の先端側に位置し回転軸部１３を回転軸方向に押圧する支持部２０とから構成し、下側スペーサ１１と支持部２０との間に空隙を設定し、この空隙を弾性変形許容空間２２とした。これにより、回転軸支持位置の寸法誤差に伴う必要操作力の増大を抑え、操作性の悪化を抑制できる。   (2) The support piece 18 rises from the lower spacer 11 constituting the inner wall surface of the air blowing port 2a toward the inside of the air blowing port 2a and can be elastically deformed in a direction opposite to the rising direction, It has a shaft hole 21 and is located on the leading end side of the rising portion 19 and is composed of a support portion 20 that presses the rotation shaft portion 13 in the rotation axis direction, and a gap is set between the lower spacer 11 and the support portion 20. The voids were used as the elastic deformation allowable space 22. Thereby, increase of the required operation force accompanying the dimension error of a rotating shaft support position can be suppressed, and deterioration of operability can be suppressed.

(3) 支持部２０に、回転軸部１３を軸穴２１まで案内するガイド溝２３を形成したため、縦ルーバ７の組み付け作業性の向上を図ることができる。   (3) Since the guide groove 23 that guides the rotary shaft portion 13 to the shaft hole 21 is formed in the support portion 20, the workability of assembling the vertical louver 7 can be improved.

実施例２は、実施例１に対して支持片の形状および回転軸部の形状を異ならせた例である。
図６は、実施例２の可動ルーバ３０の正面側（車室内側）斜視図であり、実施例２では、下側スペーサ１１に実施例１とは異なる支持片３１を設定した。なお、他の構成は実施例１と同一であるため、説明を省略する。 The second embodiment is an example in which the shape of the support piece and the shape of the rotating shaft portion are different from those of the first embodiment.
FIG. 6 is a front side (vehicle compartment side) perspective view of the movable louver 30 of the second embodiment. In the second embodiment, a support piece 31 different from that of the first embodiment is set on the lower spacer 11. Since other configurations are the same as those of the first embodiment, the description thereof is omitted.

図７に示すように、実施例２では、下側スペーサ１１の端縁１１ａに、端縁１１ａから反対側の端縁に向かって延びる切り欠きの先端部分に軸穴３２を設定した。
また、前記切り欠きから連続して端縁１１ａに沿って延びる切り欠きを形成し、この切り欠きによって延在部３３と支持部３５とからなる支持片３１を形成した。 As shown in FIG. 7, in Example 2, the shaft hole 32 was set in the end edge 11a of the lower spacer 11 at the tip portion of the notch extending from the end edge 11a toward the opposite end edge.
In addition, a notch extending along the edge 11a was formed continuously from the notch, and a support piece 31 including an extending portion 33 and a support portion 35 was formed by the notch.

延在部３３は、端縁１１ａに沿って延びる部分であり、支持部３５は、延在部３３の先端部分である。支持部３５は、縦ルーバ７の回転軸部３４を下側スペーサ１１の端縁１１ａから反対側の端縁に向かって押圧する。   The extending part 33 is a part extending along the end edge 11 a, and the support part 35 is a tip part of the extending part 33. The support part 35 presses the rotating shaft part 34 of the vertical louver 7 from the edge 11 a of the lower spacer 11 toward the opposite edge.

支持部３５は、その先端を円弧状に形成し、回転軸部３４と点接触する。
下側スペーサ１１の端縁１１ａよりも空気吹き出し口２ａ側には空隙を設定し、この空隙を弾性変形許容空間３６とする。
また、実施例２の回転軸部３４は、正八角形の横断面形状を有する。 The support portion 35 has a tip formed in an arc shape and makes point contact with the rotary shaft portion 34.
A gap is set closer to the air outlet 2 a than the edge 11 a of the lower spacer 11, and this gap is used as an elastic deformation allowable space 36.
Moreover, the rotating shaft part 34 of Example 2 has a regular octagonal cross-sectional shape.

ここで、図７に示した支持片３１は、縦ルーバ７を組み付けた後の状態、すなわち、使用状態である。また、図７において破線で示す部分は、縦ルーバ７を組み付ける前の支持片３１の状態を示す。つまり、実線と破線との位置差（図７のストローク）だけ支持片３１は弾性変形している。   Here, the support piece 31 shown in FIG. 7 is in a state after the vertical louver 7 is assembled, that is, in a used state. Moreover, the part shown with a broken line in FIG. 7 shows the state of the support piece 31 before the vertical louver 7 is assembled. That is, the support piece 31 is elastically deformed by the positional difference between the solid line and the broken line (stroke in FIG. 7).

次に、作用を説明する。
実施例２の車両用ベンチレータの風向き調整装置では、乗員が操作摘み９を横方向（横ルーバ８の回転軸方向）に動かすことで、縦ルーバ７の角度を変更できる。このとき、縦ルーバ７の必要操作力は、図８に示すように、支持片３１が縦ルーバ７を押す力（弾性力）ｆ２により決まる。 Next, the operation will be described.
In the wind direction adjusting device for a vehicle ventilator according to the second embodiment, the occupant can change the angle of the vertical louver 7 by moving the operation knob 9 in the horizontal direction (the rotational axis direction of the horizontal louver 8). At this time, the required operating force of the vertical louver 7 is determined by the force (elastic force) f2 by which the support piece 31 pushes the vertical louver 7, as shown in FIG.

ここで、上側スペーサ１０の軸穴の位置または下側スペーサ１１の軸穴３２の位置に得寸法誤差が生じ、縦ルーバ７の回転軸が適正角度（設計角度）に対して傾斜している場合、回転軸部３４が軸穴３２に対して傾斜することで、回転軸部３４に対して軸穴３２の見かけ上の半径が小さくなる。このため、回転軸部３４と軸穴３２の内壁面との摺動抵抗が設計値よりも大きくなる。   Here, when a dimensional error occurs in the position of the shaft hole of the upper spacer 10 or the position of the shaft hole 32 of the lower spacer 11, the rotation axis of the vertical louver 7 is inclined with respect to an appropriate angle (design angle). When the rotation shaft portion 34 is inclined with respect to the shaft hole 32, the apparent radius of the shaft hole 32 with respect to the rotation shaft portion 34 is reduced. For this reason, the sliding resistance between the rotating shaft portion 34 and the inner wall surface of the shaft hole 32 becomes larger than the design value.

これに対し、実施例２では、縦ルーバ７の操作時、支持片３１の縦ルーバ７への弾接方向と反対方向への移動を許容する弾性変形許容空間３６を設定している。言い換えると、縦ルーバ７の回転軸部３４の支持を、弾性変形許容空間３６によりストロークを確保したバネ構造とした。   On the other hand, in the second embodiment, an elastic deformation allowing space 36 that allows the support piece 31 to move in the direction opposite to the elastic contact direction to the vertical louver 7 when the vertical louver 7 is operated is set. In other words, the support of the rotating shaft portion 34 of the vertical louver 7 has a spring structure in which a stroke is secured by the elastic deformation allowable space 36.

このため、軸穴３２の見かけ上の半径が小さくなることに伴い回転軸部３４から支持片３１へ入力される力の一部を、支持片３１を弾性変形許容空間３６側へ弾性変形させることで吸収できる。つまり、回転軸支持位置の寸法誤差に伴う摺動抵抗の増大を小さく抑え、必要操作力が所望の操作力よりも増大するのを抑制できる。すなわち、寸法精度がばらついたとしても、安定した操作反力を得ることができる。
また、軸穴３２と回転軸部３４との間に発生する摺動抵抗が小さいため、支持部３５と回転軸部３４の摩耗を抑制でき、耐久性の向上を図ることができる。 For this reason, as the apparent radius of the shaft hole 32 becomes smaller, part of the force input from the rotary shaft portion 34 to the support piece 31 is elastically deformed to the elastic deformation allowable space 36 side. Can be absorbed. That is, it is possible to suppress an increase in sliding resistance due to a dimensional error at the rotation shaft support position, and to suppress an increase in necessary operation force from a desired operation force. That is, even if the dimensional accuracy varies, a stable operation reaction force can be obtained.
In addition, since the sliding resistance generated between the shaft hole 32 and the rotating shaft portion 34 is small, wear of the support portion 35 and the rotating shaft portion 34 can be suppressed, and durability can be improved.

また、支持部３５に回転軸部３４を押し当てて下方側へ弾性変形させつつ縦ルーバ７の上下回転軸部を軸穴に嵌合するだけで縦ルーバ７を組み付けることができるため、複雑な組み付け作業が不要であり、組み付け作業性の向上を図ることができる。   In addition, since the vertical louver 7 can be assembled simply by fitting the vertical rotary shaft portion of the vertical louver 7 into the shaft hole while pressing the rotary shaft portion 34 against the support portion 35 and elastically deforming it downward. Assembling work is not required, and assembling workability can be improved.

また、実施例２では、縦ルーバ７の回転軸部３４の横断面形状を正八角形としたため、縦ルーバ７の操作時、操作反力を一定周期で変更でき、所望のクリック感（節度感）を与えることができる。   Moreover, in Example 2, since the cross-sectional shape of the rotating shaft part 34 of the vertical louver 7 was a regular octagon, when operating the vertical louver 7, the operation reaction force can be changed at a constant cycle, and a desired click feeling (moderation feeling). Can be given.

次に、効果を説明する。
実施例２の車両用ベンチレータの風向き調整装置にあっては、実施例１の効果(1)に加え、以下に列挙する効果を奏する。 Next, the effect will be described.
The wind direction adjusting device for a vehicle ventilator according to the second embodiment has the following effects in addition to the effect (1) of the first embodiment.

(4) 軸穴３２を、縦ルーバ７の回転軸を横切る平面内で一方向に延びる切り欠きの先端部分に設定し、支持片３１は、回転軸部３４を切り欠きの基端側から先端側へ押圧し、前記平面の支持片３１を挟んで切り欠きと反対側に空隙を設定し、この空隙を弾性変形許容空間３６とした。これにより、回転軸支持位置の寸法誤差に伴う必要操作力の増大を抑え、操作性の悪化を抑制できる。   (4) The shaft hole 32 is set at the leading end of a notch extending in one direction within a plane crossing the rotational axis of the vertical louver 7, and the support piece 31 has the rotational shaft 34 extending from the proximal end side of the notch to the distal end. The gap was set on the opposite side of the notch across the flat support piece 31, and this gap was used as an elastic deformation allowable space 36. Thereby, increase of the required operation force accompanying the dimension error of a rotating shaft support position can be suppressed, and deterioration of operability can be suppressed.

(5) 回転軸部３４の外周形状を、周方向位置に応じて回転軸心から外周までの距離が異なる正八角形としたため、クリック感により操作性の向上を図ることができる。   (5) Since the outer peripheral shape of the rotating shaft portion 34 is a regular octagon in which the distance from the rotating shaft center to the outer periphery varies depending on the position in the circumferential direction, the operability can be improved with a click feeling.

（他の実施例）
以上、本発明の車両用ベンチレータの風向き調整装置を実施例に基づき説明してきたが、具体的な構成については、実施例に限られるものではなく、特許請求の範囲の各請求項に係る発明の要旨を逸脱しない限り、設計の変更や追加等は許容される。 (Other examples)
As mentioned above, although the wind direction adjustment apparatus of the vehicle ventilator of this invention has been demonstrated based on the Example, it is not restricted to an Example about a specific structure, The invention which concerns on each claim of a claim Design changes and additions are allowed without departing from the gist.

例えば、実施例では、本発明を縦ルーバの下側回転軸支持位置に適用した例を示したが、上下回転軸支持位置に適用してもよい。また、横ルーバの回転軸支持位置に適用してもよい。   For example, in the embodiment, the example in which the present invention is applied to the lower rotary shaft support position of the vertical louver is shown, but the present invention may be applied to the vertical rotary shaft support position. Moreover, you may apply to the rotating shaft support position of a horizontal louver.

実施例１の車両用ベンチレータの風向き調整装置を構成するベンチレータケース１を示す正面側斜視図である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front perspective view showing a ventilator case 1 constituting a wind direction adjusting device for a vehicle ventilator according to a first embodiment. 実施例１の車両用ベンチレータの風向き調整装置を構成するベンチレータフィニッシャ２を示す正面側斜視図である。1 is a front perspective view showing a ventilator finisher 2 that constitutes a wind direction adjusting device for a vehicle ventilator of Embodiment 1. FIG. 実施例１の車両用ベンチレータの風向き調整装置を構成する可動ルーバ３を示す正面側斜視図である。It is a front side perspective view which shows the movable louver 3 which comprises the wind direction adjustment apparatus of the ventilator for vehicles of Example 1. FIG. 実施例１の可動ルーバ３の要部を示す縦断面図である。FIG. 3 is a longitudinal sectional view illustrating a main part of the movable louver 3 according to the first embodiment. 実施例１の縦ルーバ７の必要操作力を示す図である。It is a figure which shows the required operating force of the vertical louver 7 of Example 1. FIG. 実施例２の車両用ベンチレータの風向き調整装置を構成する可動ルーバ３０の正面側斜視図である。It is a front side perspective view of the movable louver 30 which comprises the wind direction adjustment apparatus of the ventilator for vehicles of Example 2. FIG. 実施例２の可動ルーバ３０の要部を示す横断面図である。It is a cross-sectional view showing the main part of the movable louver 30 of the second embodiment. 実施例２の縦ルーバ７の必要操作力を示す図である。It is a figure which shows the required operating force of the vertical louver 7 of Example 2. FIG.

符号の説明Explanation of symbols

１ ベンチレータケース
２ ベンチレータフィニッシャ
２ａ 空気吹き出し口
３ 可動ルーバ
４ ダクト部
５ 収容部
５ａ 軸穴
５ｂ 溝部
６ 送風口
７ 縦ルーバ
８ 横ルーバ
１０ 上側スペーサ
１１ 下側スペーサ
１１ａ 端縁
１２ 羽体
１３ 回転軸部
１３ａ 段差面
１４ 大径部
１５ 小径部
１６ 回転軸部
１７ 基部
１８ 支持片
１９ 立ち上がり部
２０ 支持部
２０ａ 上面
２１ 軸穴
２２ 弾性変形許容空間
２３ ガイド溝
３０ 可動ルーバ
３１ 支持片
３２ 軸穴
３３ 延在部
３４ 回転軸部
３５ 支持部
３６ 弾性変形許容空間 DESCRIPTION OF SYMBOLS 1 Ventilator case 2 Ventilator finisher 2a Air blowout port 3 Movable louver 4 Duct part 5 Accommodating part 5a Shaft hole 5b Groove part 6 Air outlet 7 Vertical louver 8 Horizontal louver 10 Upper spacer 11 Lower spacer 11a Edge 12 Blade 13 Rotating shaft part 13a Stepped surface 14 Large diameter portion 15 Small diameter portion 16 Rotating shaft portion 17 Base portion 18 Support piece 19 Standing portion 20 Support portion 20a Top surface 21 Shaft hole 22 Allowable elastic deformation space 23 Guide groove 30 Movable louver 31 Support piece 32 Shaft hole 33 Extension Part 34 rotating shaft part 35 support part 36 elastic deformation allowable space

Claims (5)

車室内の空気吹き出し口に配置し、回転軸両端に突出する回転軸部を有する風向き調整用の羽体と前記回転軸部を挿入する軸穴とを有する可動ルーバを備えた車両用ベンチレータの風向き調整装置において、
前記軸穴に前記回転軸部を挿入したとき前記可動ルーバと接触して弾性変形する支持片を備え、
前記羽体の操作時、前記支持片の前記可動ルーバへの弾接方向と反対方向への移動を許容する弾性変形許容空間を設定したことを特徴とする車両用ベンチレータの風向き調整装置。 Wind direction of a vehicle ventilator provided with a movable louver disposed at an air outlet in a vehicle interior and having a blade for adjusting the wind direction having a rotating shaft portion protruding at both ends of the rotating shaft and a shaft hole into which the rotating shaft portion is inserted. In the adjustment device,
A support piece that elastically deforms in contact with the movable louver when the rotary shaft portion is inserted into the shaft hole;
An apparatus for adjusting a wind direction of a vehicle ventilator, wherein an elastic deformation allowable space is set to allow movement of the support piece in a direction opposite to a direction of elastic contact with the movable louver when the wing is operated. 請求項１に記載の車両用ベンチレータの風向き調整装置において、
前記支持片を、前記空気吹き出し口の内壁面から空気吹き出し口の内側へ向かって立ち上がり、当該立ち上がり方向と反対方向に弾性変形可能な立ち上がり部と、前記軸穴を有して前記立ち上がり部の先端側に位置し前記回転軸部を回転軸方向に押圧する支持部とから構成し、
前記内壁面と前記支持部との間に空隙を設定し、この空隙を前記弾性変形許容空間としたことを特徴とする車両用ベンチレータの風向き調整装置。 In the wind direction adjusting device for a vehicle ventilator according to claim 1,
The support piece rises from the inner wall surface of the air blowing port toward the inside of the air blowing port, and has a rising portion that can be elastically deformed in a direction opposite to the rising direction, and a tip of the rising portion having the shaft hole. A support portion that is positioned on the side and presses the rotation shaft portion in the rotation shaft direction;
A wind direction adjusting device for a vehicle ventilator, wherein a gap is set between the inner wall surface and the support portion, and the gap is used as the elastic deformation allowable space. 請求項２に記載の車両用ベンチレータの風向き調整装置において、
前記支持部に、前記回転軸部を前記軸穴まで案内するガイド溝を形成したことを特徴とする車両用ベンチレータの風向き調整装置。 The wind direction adjusting device for a vehicle ventilator according to claim 2,
A wind direction adjusting device for a vehicle ventilator, wherein a guide groove for guiding the rotating shaft portion to the shaft hole is formed in the support portion. 請求項１に記載の車両用ベンチレータの風向き調整装置において、
前記軸穴を、前記可動ルーバの回転軸を横切る平面内で一方向に延びる切り欠きの先端部分に設定し、
前記支持片は、前記回転軸部を前記切り欠きの基端側から先端側へ押圧し、
前記平面の前記支持片を挟んで前記切り欠きと反対側に空隙を設定し、この空隙を前記弾性変形許容空間としたことを特徴とする車両用ベンチレータの風向き調整装置。 In the wind direction adjusting device for a vehicle ventilator according to claim 1,
The shaft hole is set at a tip portion of a notch extending in one direction in a plane crossing the rotation axis of the movable louver;
The support piece presses the rotating shaft portion from the proximal end side to the distal end side of the notch,
A wind direction adjusting device for a vehicle ventilator, characterized in that a gap is set on the opposite side of the notch across the flat support piece, and the gap is used as the elastic deformation allowable space. 請求項４に記載の車両用ベンチレータの風向き調整装置において、
前記回転軸部の外周形状を、周方向位置に応じて回転軸心から外周までの距離が異なるように設定したことを特徴とする車両用ベンチレータの風向き調整装置。 The wind direction adjusting device for a vehicle ventilator according to claim 4,
A wind direction adjusting device for a vehicle ventilator, characterized in that the outer peripheral shape of the rotating shaft portion is set so that the distance from the rotating shaft center to the outer periphery differs according to the circumferential position.
JP2008311651A 2008-12-06 2008-12-06 Ventilator wind direction adjusting device for vehicle Expired - Fee Related JP5200899B2 (en)

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WO2013065253A1 (en) * 2011-11-04 2013-05-10 パナソニック株式会社 Shutter device
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