JP3865657B2

JP3865657B2 - Air conditioning blow-out device for vehicles

Info

Publication number: JP3865657B2
Application number: JP2002152039A
Authority: JP
Inventors: 國彦竹重; 弘信近藤; 孝司田村
Original assignee: 西川化成株式会社
Priority date: 2002-05-27
Filing date: 2002-05-27
Publication date: 2007-01-10
Anticipated expiration: 2022-05-27
Also published as: JP2003341354A

Description

【０００１】
【発明の属する技術分野】
本発明は、縦ルーバを揺動して調和空気の車室内への吹出方向を変えるようにした車両用空調吹出装置に関し、特に、その縦ルーバを揺動させる構造に関する技術分野に属する。
【０００２】
【従来の技術】
従来より、この種の車両用空調吹出装置として、例えば特開平５−２７０２５６号公報等に示されるように、空調装置から送られる調和空気を車室内に吹き出す吹出口に、複数の横ルーバを連動して略水平方向の軸部回りに揺動可能に、また、横ルーバの裏側（反車室側）に複数の縦ルーバを連動して略上下方向の軸部回りに揺動可能にそれぞれ設け、この横ルーバ及び縦ルーバの揺動によりそれぞれ調和空気の吹出方向を上下方向及び左右方向に変えるようにしたものが知られている。
【０００３】
また、この他、特開平７−２２８１３６号公報に開示されるものでは、上記のものとは逆に、複数の縦ルーバが車室側に、また複数の横ルーバが反車室側にそれぞれ配置されている。
【０００４】
ところで、このような車両用空調吹出装置においては、縦ルーバは略平面部を有する板状ルーバ本体と、このルーバ本体の端部に突設された軸部とを備え、この軸部を吹出口を形成するハウジングの上下側壁に支持することで、縦ルーバを軸部回りに揺動させるようになっている。一方、各ルーバ本体には複数の縦ルーバを連結して同じ方向に揺動させるためのリンク機構が設けられており、このリンク機構に連結される操作ノブを回動操作することで、複数の縦ルーバが同時に同じ方向に揺動されるようになっている。
【０００５】
また、従来、上記操作ノブ（特にその外周面）は車室側に面するため、乗員から見えないハウジングの枠体や、リンク機構等よりも高級な樹脂材料を使用すべく、これらの目に見えない部分とは別体のものとなっている。そして、その回動中心がビス等の部品によってハウジングの上壁部又は下壁部に回動可能に支持されている。
【０００６】
そして、例えば上記操作ノブはその外周面と反対側に延びるアーム部を有し、このアーム部の先端に係合ピンが設けられ、この係合ピンがハウジングの下壁部を貫通して上記リンク機構の連結板に係合されており、この状態で操作ノブを回動操作することで、アーム部が揺動され、その先端の係合ピンが操作ノブの回動中心と同心の円弧状の軌跡を描きながら揺動される。これに伴い、縦ルーバの揺動によって調和空気の方向が左右方向に変更される。このとき係合ピンの可動範囲を確保するために、ハウジングの下壁部に操作ノブの回動中心と同心の円弧孔を貫通して形成する必要がある。
【０００７】
【発明が解決しようとする課題】
しかし、上記従来例のように、縦ルーバを揺動させるための操作ノブがビス止めによってハウジングの下壁部に締結されていると、部品点数が増えるのみならず組立に際して工具を使用しなければならず組立て工数も増えるという問題がある。
【０００８】
また、上記ハウジングの下壁部の円弧孔のために調和空気がハウジングから外に漏れ出してしまうという問題がある。
【０００９】
本発明は斯かる諸点に鑑みてなされたものであり、その目的とするところは、操作ノブの取付構造に工夫をすることにより、部品点数及び組立工数の削減とハウジングからの調和空気の漏れ防止とを図ることにある。
【００１０】
【課題を解決するための手段】
上記の目的を達成するために、請求項１の発明では、調和空気を車室内に吹き出す吹出口に複数の縦ルーバが略上下方向の軸部回りに互いに連係して揺動可能に設けられ、この縦ルーバの揺動により調和空気の吹出方向を左右方向に変えるようにした車両用空調吹出装置を対象とする。
【００１１】
そして、車両用空調吹出装置は、両端が開放された枠体と、この枠体の車室側に一体的に取り付けられ、縦ルーバ操作用のノブ収容孔が開口されたベゼルとを有するハウジングを備えていて、このハウジング内に上記吹出口が設けられ、上記縦ルーバのいずれか１つの軸部はハウジングの下壁部又は上壁部からハウジング外に突出する駆動軸部とされていて、この駆動軸部の突出端部には、ベゼル側に向かって延びる係合部が一体に設けられており、枠体の駆動軸部に対応する下壁部又は上壁部には駆動軸部の位置まで切り欠いてなる切欠凹部が設けられている一方、この切欠凹部に対応するベゼルの裏面には切欠凹部に嵌合される突片が設けられ、切欠凹部の底部と突片の先端部との間に駆動軸部が回動可能に挟持されており、係合部には、ベゼルのノブ収容孔を貫通して車室内に臨む円弧状外周面を有しかつ駆動軸部と一体的に回動する縦ルーバ操作用の操作ノブが抜け止めされて係合されている構成とする。
【００１２】
上記構成によると、ハウジングの下壁部又は上壁部からハウジング外に突出する縦ルーバの駆動軸部の突出端部には係合部が一体に設けられており、この係合部に、縦ルーバを揺動させる操作ノブが抜け止めされて揺動一体に係合されているため、ハウジングとは別体の操作ノブをハウジングにビスによって締結する必要はなく、部品点数を削減できるとともにその組立工数を減らすことができる。
【００１３】
また、切欠凹部の底部と突片の先端部との間に上記駆動軸部が回動可能に挟持され、かつ操作ノブが駆動軸部と一体的に回動するため、従来のように係合ピン（駆動軸部）が移動するための円弧孔をハウジングに設ける必要がない。従って、調和空気がハウジング外に漏れ出すことはない。
【００１４】
請求項２の発明では、係合部は、駆動軸部に対し略直交しかつ駆動軸部の軸方向に離間する一対の水平板と、この両水平板間に位置して両水平板同士を連結しかつ左右側壁面が互いに平行に形成された被保持部とを有し、操作ノブには、被保持部を左右側壁面に当接した状態で挟み込む一対の保持部が突設され、操作ノブの保持部を係合部における被保持部の外端側から両水平板間に挿入して、被保持部の側壁面と保持部とを互いに面接触させることで、操作ノブが係合部に回動一体に係合保持される構成とする。
【００１５】
上記構成によると、被保持部の側壁面と保持部とが互いに面接触された状態で操作ノブが係合部に揺動一体に係合保持されることで、両者の接触面積が大きくなり、操作ノブの保持部と駆動軸部の被保持部との係合が確実かつ安定化し、操作ノブを回動した際、その回転力が被保持部に伝わり縦ルーバをその駆動軸部回りに確実に揺動させることができる。また、車両の振動等が伝わってきても操作ノブと係合部の被保持部との間でがたつくことはなく、振動が発生することはない。
【００１６】
請求項３の発明では、操作ノブの一対の保持部の先端にはそれぞれ保持部に略直交しかつ保持部から離れるように延びる当接部が突設され、係合部における被保持部の内端側にはこの水平板と直交し両水平板に連結された垂直板が設けられており、当接部が垂直板に当接することで、操作ノブが係合部に対して回り止めされているようにする。
【００１７】
上記構成によると、保持部先端の当接部が垂直板に当接しているため、操作ノブに加えられる回動操作力を垂直板にも直接伝えることができ、小さな回動操作力でもって一層確実に縦ルーバを揺動することができる。
【００１８】
【発明の実施の形態】
以下、本発明の実施形態を図面に基づいて説明する。図６は、車両の車室前端部に設けられるインストルメントパネルＰを示し、このインストルメントパネルＰの車室内に面する後面の左右略中央部にはセンタ吹出部２が、また左右端部にはサイド吹出部３，３が、さらに前部にはデフロスタ吹出部４，４がそれぞれ設けられている。これらの吹出部２，３，４は、図示しないがインストルメントパネルＰ内に設けた空調装置にエアダクトを介して接続されており、この空調装置で調和された調和空気をエアダクトを通して各吹出部２，３，４から車室内及びフロントウィンドガラス（図示せず）に吹き出させるようになっている。
【００１９】
上記センタ吹出部２には本発明の実施形態に係る車両用空調吹出装置１が設けられている。この車両用空調吹出装置１は、図５に拡大詳示するように、樹脂成形品よりなるハウジング７を備え、このハウジング７は、車両前後方向の両端が開放された矩形状の枠体９と、この枠体９の車室側に一体的に取り付けられたベゼル１１とを有している。このベゼル１１下部の左右両側には、後述する縦ルーバ操作ノブ３３，３３を収容するための矩形状のノブ収容孔１１ａ，１１ａが開口されている。そして、ハウジング７におけるベゼル１１の車両前後方向の後端は車室内に開口し、枠体９の前端は空調装置に接続されている。
【００２０】
上記ハウジング７にはその内部の左右略中央部に隔壁７ａ（図５に破線で示す）が一体に形成され、この隔壁７ａによってハウジング７内に２つの吹出口１３，１３が区画されている。この各吹出口１３の車室側には、水平方向に延びる複数（本実施形態では３本）の横ルーバ１５，１５，…が、またこの横ルーバ１５，１５，…よりもインストルメントパネルＰの内側（車両前側）には、垂直上下方向に延びる複数（本実施形態では６本）の縦ルーバ１７，１７，…がそれぞれ設けられている。
【００２１】
図１にも示すように、上記ベゼル１１の上縁及び下縁の裏面（車両前側）には複数の係合片１１ｃ，１１ｃ，…が車幅方向に離間して吹出口１３，１３を囲むように枠体９側に向かって突設され、この各係合片１１ｃの先端側には矩形状の係合孔１１ｄが開口されている。一方、枠体９の上壁部９ｄ及び下壁部９ａには上記ベゼル１１側の係合片１１ｃ，１１ｃ，…に対応するように係合突起９ｃ，９ｃ，…が突設され、この各係合突起９ｃは係合片１１ｃの係合孔１１ｄに係合可能となっており、この係合孔１１ｄと係合突起９ｃとの係合により、枠体９とベゼル１１とがこれらの周縁において略気密状に連続して一体的に組み付けられる。
【００２２】
そして、図４に示すように、上記各吹出口１３の枠体９の下壁部９ａには、そのベゼル１１側端部の一部を後述する駆動軸部２３の位置まで略矩形状に切り欠いてなる切欠凹部９ｂが設けられている一方、この切欠凹部９ｂに対応する上記ベゼル１１の上縁及び下縁の裏面（車両前側面）には上記切欠凹部９ｂに嵌合される突片１１ｂが設けられている。そして、切欠凹部９ｂの底部及び突片１１ｂの先端部にはそれぞれ半円状の半割凹部１２ａ，１２ｂが形成されており、枠体９とベゼル１１とが組み付けられたときに、各切欠凹部９ｂが突片１１ｂによって気密状に閉塞されるとともに、各々の半割凹部１２ａ，１２ｂにより切欠凹部９ｂの底部及び突片１１ｂの先端部との間に略円形の駆動軸部用孔１２を形成し、この駆動軸部用孔１２に後述の駆動軸部２３が回動可能に挟持されるようになっている。
【００２３】
尚、上記各吹出口１３の各横ルーバ１５は、左右の軸部（図示せず）にて吹出口１３の左右側壁、つまりベゼル１１の外側壁と隔壁とに揺動可能に支持されている。また、複数の横ルーバ１５，１５，…の車幅方向外端は横ルーバリンク機構２０（図１にのみ示す）により連結されるとともに、一番下の横ルーバ１５には略円筒状の横ルーバ操作ノブ１９が一体に形成されており、この横ルーバ操作ノブ１９を回動操作したときに、上方の全横ルーバ１５，１５，…が同時に同じ向きに揺動されるように構成されている。
【００２４】
そして、本発明の特徴として、図２にも示すように、上記各吹出口１３の各縦ルーバ１７は板状の縦ルーバ本体１７ａを有し、この縦ルーバ本体１７ａの上下端部の後端側（車室側）にはそれぞれ略上下方向に延びる軸部２１，２１が同心状に設けられ、この軸部２１，２１により縦ルーバ１７が枠体９の上下壁に揺動可能に支持されている。
【００２５】
上記各縦ルーバ１７の前端側（車両前方側）下面には連結軸１７ｂ（図２に破線で示す）が突設されている一方、各縦ルーバ１７の前端下側には縦ルーバ１７，１７，…を連結する板状のリンク板３９が配設され、このリンク板３９には上記連結軸１７ｂ，１７ｂ，…が挿入される縦ルーバ連結用孔３９ａ，３９ａ，…が設けられており、この縦ルーバ連結用孔３９ａ，３９ａ，…への連結軸１７ｂ，１７ｂ，…の挿入により、各縦ルーバ１７，１７，…が連結されて同時に左右の同じ方向に揺動される。
【００２６】
上記各吹出口１３の複数の縦ルーバ１７，１７，…のうち隔壁７ａから例えば３番目の吹出口１３の車幅方向略中央部に位置する縦ルーバ１７の下側軸部２１（図２における中央のもの）は、上記枠体９の下壁部９ａから枠体９外に突出していて駆動軸部２３とされている。この駆動軸部２３には、ベゼル１１側に向かって延びる係合部２５が一体に形成されている。
【００２７】
上記係合部２５は、駆動軸部２３に対し略直交した状態で駆動軸部２３の軸方向に離間して配置されかつベゼル１１側が円弧状とされた上下一対の水平板２７，２７と、この両水平板２７，２７間に位置して両水平板２７，２７同士を連結しかつ左右側壁面２９ａ，２９ａが互いに平行に形成された被保持部２９と、この被保持部２９の内端側（駆動軸部２３側）に上記水平板２７，２７と直交するように配置され、かつ該両水平板２７，２７に連結された垂直板３１とを有している。尚、被保持部２９の内端と垂直板３１との間には所定の間隙が設けられている。
【００２８】
そして、上記係合部２５の被保持部２９に縦ルーバ操作ノブ３３が係合されている。この縦ルーバ操作ノブ３３は、図２及び図３に示すように、円弧状外周面３３ａを有しかつ略水平に配置される略半円板状のもので、その内周面（裏面）には円板部の直径部分に相当する位置まで延びる一対の保持部３５，３５が互いに平行に所定の間隔をあけて突設され、この保持部３５，３５の間隔は上記係合部２５における被保持部２９の左右側壁間２９ａ，２９ａの間隔よりも僅かに大とされている。
【００２９】
また、この保持部３５，３５の対向面には縦ルーバ操作ノブ３３を被保持部２９から抜け止めするかぎ状の係止部３７，３７が向かい合うように突設されている。さらに、各保持部３５の先端にはそれぞれ保持部３５に略直交しかつ互いに離れるように延びる当接部４１が突設されている。そして、この当接部４１が上記垂直板３１に当接するとともに、保持部３５，３５が上記係合部２５の被保持部２９をその左右側壁面２９ａ，２９ａに当接した状態で挟み込み、かつ上記係止部３７，３７が、被保持部２９と垂直板３１との間に嵌入し、被保持部２９の内端面（垂直板３１側）と係合することで、縦ルーバ操作ノブ３３が係合部２５に対して回り止めされるとともに抜け止めされるようになっている。
【００３０】
尚、上記縦ルーバ操作ノブ３３の外周面３３ａの周方向中央には縦ルーバ１７，１７，…の揺動方向を示す基準マーク３３ｂが突設されている。また、この縦ルーバ操作ノブ３３の外周面３３ａ及び上記横ルーバ操作ノブ１９の外周面にはローレット部等の滑り止めが設けられていて、操作性が向上されるようになっている。
【００３１】
また、図１に示すように、枠体９の下壁部９ａには、各駆動軸部用孔１２よりも内側（車両前側）に所定の距離をあけてストッパ４３，４３が突設されており、このストッパ４３，４３が上記縦ルーバ操作ノブ３３の回動端を規制するようになっている。
【００３２】
次に、本発明の実施形態に係る車両用空調吹出装置１の組立手順について説明する。図２にも示すように、車両用空調吹出装置１を組立てる際には、まず、リンク板３９が取付けられた各縦ルーバ１７，１７，…を枠体９に組み付ける。これにより縦ルーバ１７，１７，…のうちの１つの駆動軸部２３に一体形成された係合部２５が枠体９の下壁部９ａから突出している状態にある。次に、各縦ルーバ操作ノブ３３を上記係合部２５に組み付ける。すなわち、縦ルーバ操作ノブ３３の保持部３５，３５を係合部２５の被保持部２９外端側から両水平板２７，２７間に挿入して、被保持部２９の側壁面２９ａ，２９ａと保持部３５，３５の内面とを互いに面接触させるとともに上記当接部４１，４１を垂直板３１に当接させる。このことで、縦ルーバ操作ノブ３３が係合部２５に回り止めされた状態で回動一体に係合保持される。このとき、上記保持部３５，３５の係止部３７，３７が被保持部２９の内端面を挟み込むことにより、縦ルーバ操作ノブ３３が被保持部２９から抜け出さないようになっている。
【００３３】
この後、横ルーバ１５，１５，…が組み付けられたベゼル１１を、縦ルーバ操作ノブ３３がベゼル１１のノブ収容孔１１ａに嵌るようにしてハウジング７の枠体９に組み付け、上記駆動軸部２３を、駆動軸部用孔１２を形成する枠体９における切欠凹部９ｂの底部の半割凹部１２ａとベゼル１１における突片１１ｂの先端部の半割凹部１２ｂとで挟持し、その駆動軸部２３下端の係合部２５を縦ルーバ操作ノブ３３とともにハウジング７下側に配置する。
【００３４】
このようにして、枠体９とベゼル１１とを係合させて一体に組み付けたときに、上記各駆動軸部２３の係合部２５に係合された縦ルーバ操作ノブ３３がベゼル１１のノブ収容孔１１ａから車室側に臨むように突出し、その外周面３３ａが左右に回動操作可能となる。
【００３５】
そして、このように組立てられた車両用空調吹出装置１をインストルメントパネルＰのセンタ吹出部２に組み付けた状態において、空調装置の作動により空調装置内で調和空気が生成され、その調和空気はインストルメントパネルＰ内のエアダクトを通ってインストルメントパネルＰ表面の各吹出口２，３，４より車室内に吹き出される。
【００３６】
このとき、インストルメントパネルＰの左右中央のセンタ吹出部２に設けられた車両用空調吹出装置１においては、乗員配置等により調和空気の吹出方向を適宜変える必要がある。このようなとき、横ルーバ操作ノブ１９を上下方向に回動操作することで、横ルーバ１５，１５，…を揺動させて、調和空気の上下方向の吹出方向を希望の方向に変えることができる。さらに、縦ルーバ操作ノブ３３を左右方向に回動操作することで、縦ルーバ１７，１７，…を揺動させて、調和空気の左右方向の吹出方向を希望の方向に変えることができ、これらの操作により、左右、上下に自由に調和空気の吹出方向を変えることができる。
【００３７】
すなわち、上記縦ルーバ操作ノブ３３をその外周面３３ａの左右方向に回動操作して縦ルーバ１７，１７，…を揺動し、外周面３３ａを最も右まで回動させたときには、縦ルーバ１７の駆動軸部２３が上方から見て反時計回り方向に回動され、その縦ルーバ１７の連結軸１７ｂからリンク板３９にその回転力が伝達されてリンク板３９が左側へ移動する。これにより、縦ルーバ１７，１７，…が縦ルーバ本体１７ａ，１７ａ，…の後側部を前端部よりも左側に向けた状態に回動され、調和空気は最も右方向に向けて吹き出される。一方、縦ルーバ操作ノブ３３の外周面３３ａを最も左方向にまで回動させたときには、縦ルーバ１７，１７，…が縦ルーバ本体１７ａ，１７ａ，…の後側部を逆に前端部よりも右側に向けた状態に回動され、調和空気は最も左方向に向けて吹き出される。
【００３８】
従って、この実施形態においては、車両用空調吹出装置１の各吹出口１３におけるハウジング７の枠体９の下壁部９ａから枠体９外に突出する縦ルーバ１７の駆動軸部２３に係合部２５が一体に設けられ、この係合部２５に、縦ルーバ１７を揺動する縦ルーバ操作ノブ３３が抜け止めされて一体的に係合されているため、ハウジングとは別体の縦ルーバ操作ノブをハウジングにビスによって締結する必要はなく、部品点数を削減できるとともにその組立工数を減らすことができる。
【００３９】
また、枠体９の各切欠凹部９ｂの底部とベゼル１１の各突片１１ｂの先端部とで駆動軸部２３が回動可能に略密閉状に挟持され、かつ縦ルーバ操作ノブ３３が駆動軸部２３と一体的に回動するため、調和空気がハウジング７外に漏れ出すことはない。
【００４０】
さらに、縦ルーバ操作ノブ３３が係合部２５に各被保持部２９の側壁面２９ａ，２９ａと保持部３５，３５とが互いに面接触された状態で揺動一体に係合保持されることで、両者の接触面積が大きくなり、縦ルーバ操作ノブ３３の保持部３５，３５と駆動軸部２３の被保持部２９との係合が確実かつ安定化し、縦ルーバ操作ノブ３３を回動した際、その回転力が被保持部２９に伝わり縦ルーバ１７，１７，…をその駆動軸部２３回りに確実に揺動させることができる。また、車両の振動等が伝わってきても縦ルーバ操作ノブ３３と係合部２５の被保持部２９との間でがたつくことはなく、振動が発生することはない。
【００４１】
また、保持部３５，３５先端の当接部４１，４１が垂直板３１に当接しているため、縦ルーバ操作ノブ３３に伝わる回転力を垂直板３１にも直接伝えることができ、小さな回動操作力でもって一層確実に縦ルーバ１７，１７，…を揺動することができる。
【００４２】
尚、本実施形態では駆動軸部用孔１２を枠体９の下壁部９ａ側に設けたが、枠体の上壁部側に設けてもよい。この場合縦ルーバ操作ノブ３３は、枠体９の上壁部９ｄ側に配置されることになる。
【００４３】
さらに、本実施形態では、車両用空調吹出装置１はインストルメントパネルＰの中央部に設けたが、インストルメントパネルＰの左右両端部分、車室の天井、後部座席近傍等に設けることもでき、調和空気の吹出口に揺動タイプの縦ルーバが設けられている構造であればよい。
【００４４】
【発明の効果】
以上説明したように、請求項１の発明の車両用空調吹出装置によると、調和空気を車室内に吹き出す吹出口に複数の縦ルーバを設け、そのいずれか１つの縦ルーバの軸部をハウジングの下壁部又は上壁部からハウジング外に突出する駆動軸部として、その突出端部に、ハウジングの車室側部をなすベゼル側に向かって延びる係合部を一体に設け、駆動軸部をハウジングの反車室側の枠体における切欠凹部の底部とベゼルの裏面の突片の先端部との間に回動可能に挟持し、係合部に駆動軸部と一体的に回動する縦ルーバ操作用の操作ノブを抜け止めして係合したことにより、調和空気がハウジング外に漏れ出すことはなく、かつ部品点数を削減できるのみならず組立工数をも減らすことができる。
【００４５】
請求項２の発明によると、操作ノブの保持部を係合部における被保持部の外端側から両水平板間に挿入して、被保持部の側壁面と保持部との面接触状態で、操作ノブを係合部に回動一体に係合保持したことにより、縦ルーバを駆動軸部回りに確実に揺動させることができるとともに、車両の振動が伝わってきても操作ノブと被保持部との間で振動が発生することはない。
【００４６】
請求項３の発明によると、操作ノブの一対の保持部先端の当接部を係合部の垂直板に当接させることにより、小さな回動操作力でもって一層確実に縦ルーバを揺動することができる。
【図面の簡単な説明】
【図１】本発明の実施形態に係る車両用空調吹出装置を下面から見た平面図である。
【図２】車両用空調吹出装置の要部を示す分解斜視図である。
【図３】縦ルーバ操作ノブの拡大平面図である。
【図４】縦ルーバ操作ノブ及び係合部を省略した状態におけるハウジング下壁部の駆動軸部用孔周辺を下面から見た平面図である。
【図５】車両用空調吹出装置を車両の左側から見た斜視図である。
【図６】本発明の実施形態に係る車両用空調吹出装置が設けられるインストルメントパネルの斜視図である。
【符号の説明】
１車両用空調吹出装置
７ハウジング
９枠体
９ａ下壁部
９ｂ切欠凹部
１１ベゼル
１１ａノブ収容孔
１１ｂ突片
１３吹出口
１７縦ルーバ
２１軸部
２３駆動軸部
２５係合部
２７水平板
２９被保持部
２９ａ側壁面
３１垂直板
３３縦ルーバ操作ノブ
３３ａ円弧状外周面
３５保持部
３７係止部
４１当接部[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a vehicle air-conditioning blowout device that swings a vertical louver to change the direction in which conditioned air is blown into a vehicle interior, and particularly relates to a technical field related to a structure that swings the vertical louver.
[0002]
[Prior art]
Conventionally, as this type of vehicle air-conditioning blow-out device, as shown in, for example, Japanese Patent Laid-Open No. 5-270256, a plurality of lateral louvers are linked to a blow-out port that blows conditioned air sent from the air-conditioning device into the vehicle interior. It is possible to swing around a substantially horizontal shaft part, and a plurality of vertical louvers are linked to the back side of the horizontal louver (on the side opposite to the passenger compartment) to swing around a substantially vertical shaft part. In addition, there is known one in which the blowing direction of the conditioned air is changed to the vertical direction and the horizontal direction by swinging the horizontal louver and the vertical louver, respectively.
[0003]
In addition to this, in the one disclosed in Japanese Patent Laid-Open No. 7-228136, a plurality of vertical louvers are arranged on the vehicle compartment side and a plurality of horizontal louvers are arranged on the non-vehicle compartment side, respectively. Has been.
[0004]
By the way, in such an air conditioning blow-out device for a vehicle, the vertical louver includes a plate-like louver main body having a substantially flat surface portion and a shaft portion protruding from the end of the louver main body, and the shaft portion is connected to the air outlet. By supporting the upper and lower side walls of the housing forming the vertical louver, the vertical louver is swung around the shaft portion. On the other hand, each louver body is provided with a link mechanism for connecting a plurality of vertical louvers and swinging in the same direction, and by rotating the operation knob connected to the link mechanism, The vertical louvers are swung in the same direction at the same time.
[0005]
Conventionally, since the operation knob (especially its outer peripheral surface) faces the passenger compartment side, it is necessary to use a resin material of a higher quality than a housing frame or a link mechanism that cannot be seen by the occupant. It is separate from the invisible part. And the rotation center is rotatably supported by the upper wall part or lower wall part of a housing with components, such as a screw.
[0006]
For example, the operation knob has an arm portion extending on the side opposite to the outer peripheral surface, and an engagement pin is provided at the tip of the arm portion, and the engagement pin penetrates the lower wall portion of the housing and the link When the operation knob is rotated in this state, the arm portion is swung, and the engagement pin at the tip of the mechanism is circularly concentric with the rotation center of the operation knob. It is swung while drawing a trajectory. Along with this, the direction of the conditioned air is changed to the left-right direction by the swing of the vertical louver. At this time, in order to ensure the movable range of the engagement pin, it is necessary to form a circular hole concentric with the rotation center of the operation knob in the lower wall portion of the housing.
[0007]
[Problems to be solved by the invention]
However, if the operation knob for swinging the vertical louver is fastened to the lower wall of the housing by screws as in the conventional example, not only the number of parts increases but also a tool must be used for assembly. In addition, there is a problem that the number of assembly steps increases.
[0008]
In addition, there is a problem that conditioned air leaks out of the housing due to the arc hole in the lower wall portion of the housing.
[0009]
The present invention has been made in view of such various points, and the object of the present invention is to reduce the number of parts and the number of assembling steps and prevent the leakage of conditioned air from the housing by devising the mounting structure of the operation knob. It is to plan.
[0010]
[Means for Solving the Problems]
In order to achieve the above object, in the invention of claim 1, a plurality of vertical louvers are provided at a blowout port for blowing conditioned air into the vehicle compartment so as to be swingable in association with each other around a substantially vertical shaft portion. A vehicle air-conditioning blowout device that changes the blowing direction of conditioned air to the left-right direction by swinging the vertical louver is an object.
[0011]
The vehicle air-conditioning blowout device includes a housing having a frame body whose both ends are open, and a bezel which is integrally attached to the vehicle compartment side of the frame body and has a knob housing hole for operating a vertical louver. The blower outlet is provided in the housing, and any one shaft portion of the vertical louver is a drive shaft portion that protrudes out of the housing from the lower wall portion or the upper wall portion of the housing. The projecting end portion of the drive shaft portion is integrally provided with an engaging portion extending toward the bezel side, and the position of the drive shaft portion is located on the lower wall portion or the upper wall portion corresponding to the drive shaft portion of the frame body. A notch recess that is notched is provided on the back surface of the bezel corresponding to the notch recess, and a projecting piece that fits into the notch recess is provided, and the bottom of the notch recess and the tip of the projecting piece The drive shaft is pivotably held between the engagement parts. A configuration in which an operation knob for operating a vertical louver that has an arcuate outer peripheral surface that penetrates a knob housing hole of a bezel and faces the vehicle interior and that rotates integrally with a drive shaft portion is retained and engaged To do.
[0012]
According to the above configuration, the engaging portion is integrally provided on the protruding end portion of the drive shaft portion of the vertical louver that protrudes out of the housing from the lower wall portion or the upper wall portion of the housing. Since the operation knob that swings the louver is locked and is integrally engaged with the swing, it is not necessary to fasten the operation knob separately from the housing to the housing with screws. Man-hours can be reduced.
[0013]
In addition, the drive shaft is rotatably held between the bottom of the notch recess and the tip of the protruding piece, and the operation knob rotates integrally with the drive shaft. There is no need to provide the housing with an arc hole for the pin (drive shaft) to move. Therefore, the conditioned air does not leak out of the housing.
[0014]
In the invention of claim 2, the engaging portion is a pair of horizontal plates that are substantially orthogonal to the drive shaft portion and spaced apart in the axial direction of the drive shaft portion, and the horizontal plates are positioned between the horizontal plates. The operation knob is provided with a pair of holding portions that sandwich the held portion in contact with the left and right side wall surfaces. By inserting the holding portion of the knob between the horizontal plates from the outer end side of the held portion in the engaging portion and bringing the side wall surface of the held portion and the holding portion into surface contact with each other, the operation knob is engaged with the engaging portion. And is configured to be engaged and held integrally with each other.
[0015]
According to the above configuration, the operation knob is rocked and integrated with the engaging portion while the side wall surface of the held portion and the holding portion are in surface contact with each other, thereby increasing the contact area between the two. Engagement between the holding part of the operation knob and the held part of the drive shaft is reliable and stable, and when the operation knob is rotated, the rotational force is transmitted to the held part and the vertical louver is reliably around the drive shaft. Can be swung. Further, even if vehicle vibration or the like is transmitted, there is no rattling between the operation knob and the held portion of the engaging portion, and no vibration is generated.
[0016]
According to the third aspect of the present invention, the front ends of the pair of holding portions of the operation knob are provided with protruding contact portions that extend substantially perpendicular to the holding portions and away from the holding portions, respectively. A vertical plate that is orthogonal to the horizontal plate and connected to both horizontal plates is provided on the end side, and the operation knob is prevented from rotating with respect to the engagement portion by the contact portion contacting the vertical plate. To be.
[0017]
According to the above configuration, since the contact portion at the tip of the holding portion is in contact with the vertical plate, the rotation operation force applied to the operation knob can be directly transmitted to the vertical plate, and even with a small rotation operation force. The vertical louver can be reliably swung.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 6 shows an instrument panel P provided at the front end of the vehicle compartment of the vehicle. A center outlet 2 is provided at the center of the left and right sides of the instrument panel P facing the vehicle compartment, and at the left and right ends. Are provided with side blowing parts 3 and 3, and further with defroster blowing parts 4 and 4 at the front. Although not shown, these air outlets 2, 3 and 4 are connected to an air conditioner provided in the instrument panel P via an air duct, and each air outlet 2 is conditioned air conditioned by the air conditioner. , 3 and 4 are blown out to the passenger compartment and the windshield (not shown).
[0019]
The center outlet 2 is provided with an air conditioning outlet 1 for a vehicle according to an embodiment of the present invention. As shown in detail in FIG. 5, the vehicle air-conditioning blow-out device 1 includes a housing 7 made of a resin molded product. The housing 7 includes a rectangular frame 9 having both ends in the vehicle front-rear direction open. The frame 9 has a bezel 11 attached integrally to the passenger compartment side. Rectangular knob accommodation holes 11a and 11a for accommodating vertical louver operation knobs 33 and 33, which will be described later, are opened on the left and right sides of the lower portion of the bezel 11. The rear end of the bezel 11 in the housing 7 in the front-rear direction of the vehicle opens into the vehicle interior, and the front end of the frame body 9 is connected to the air conditioner.
[0020]
The housing 7 is integrally formed with a partition wall 7a (indicated by a broken line in FIG. 5) at the left and right central portions of the housing 7, and two outlets 13 and 13 are partitioned in the housing 7 by the partition wall 7a. A plurality (three in this embodiment) of horizontal louvers 15, 15,... Extending in the horizontal direction are provided on the passenger compartment side of each of the air outlets 13, and the instrument panel P is more than the horizontal louvers 15, 15,. Are provided with a plurality (six in this embodiment) of vertical louvers 17, 17,... Extending in the vertical vertical direction.
[0021]
As shown in FIG. 1, a plurality of engagement pieces 11c, 11c,... Are separated from each other in the vehicle width direction on the back surfaces (vehicle front side) of the upper and lower edges of the bezel 11 to surround the air outlets 13, 13. Thus, a rectangular engagement hole 11d is opened on the distal end side of each engagement piece 11c. On the other hand, engaging projections 9c, 9c,... Protrude from the upper wall portion 9d and the lower wall portion 9a of the frame body 9 so as to correspond to the engaging pieces 11c, 11c,. The engagement protrusion 9c can be engaged with the engagement hole 11d of the engagement piece 11c, and the frame body 9 and the bezel 11 are engaged with each other by the engagement between the engagement hole 11d and the engagement protrusion 9c. Are assembled in a substantially airtight and continuous manner.
[0022]
Then, as shown in FIG. 4, a part of the bezel 11 side end portion is cut into a substantially rectangular shape on the lower wall portion 9a of the frame body 9 of each air outlet 13 to the position of a drive shaft portion 23 described later. While a notch recess 9b is provided, a protruding piece 11b fitted into the notch recess 9b is provided on the back surface (the vehicle front side surface) of the bezel 11 corresponding to the notch recess 9b. Is provided. Semi-circular halved recesses 12a and 12b are formed at the bottom of the notch recess 9b and the tip of the projecting piece 11b, respectively. When the frame body 9 and the bezel 11 are assembled, each notch recess 9b is closed in an airtight manner by the projecting piece 11b, and a substantially circular drive shaft hole 12 is formed between the bottom of the notched recess 9b and the tip of the projecting piece 11b by the respective half recessed parts 12a and 12b. A drive shaft 23 described later is rotatably held in the drive shaft hole 12.
[0023]
The horizontal louvers 15 of the air outlets 13 are swingably supported by the left and right side walls of the air outlet 13, that is, the outer wall and the partition wall of the bezel 11, by left and right shaft portions (not shown). . Further, the outer ends in the vehicle width direction of the plurality of horizontal louvers 15, 15,... Are connected by a horizontal louver link mechanism 20 (shown only in FIG. 1), and the bottom horizontal louver 15 has a substantially cylindrical lateral shape. The louver operation knob 19 is integrally formed, and when the horizontal louver operation knob 19 is rotated, all the upper horizontal louvers 15, 15,... Are simultaneously swung in the same direction. Yes.
[0024]
As a feature of the present invention, as shown in FIG. 2, each vertical louver 17 of each outlet 13 has a plate-like vertical louver body 17a, and the rear end of the upper and lower ends of this vertical louver body 17a. On the side (vehicle compartment side), shaft portions 21 and 21 extending substantially in the vertical direction are provided concentrically, and the vertical louvers 17 are swingably supported on the upper and lower walls of the frame body 9 by the shaft portions 21 and 21. ing.
[0025]
A connecting shaft 17b (shown by a broken line in FIG. 2) projects from the lower surface of the front end side (vehicle front side) of each vertical louver 17, while the vertical louvers 17, 17 are provided below the front end of each vertical louver 17. ,... Are provided, and the link plate 39 is provided with longitudinal louver connecting holes 39a, 39a,... Into which the connecting shafts 17b, 17b,. .. Are inserted into the vertical louver connecting holes 39a, 39a,..., And the vertical louvers 17, 17,.
[0026]
.. Among the plurality of vertical louvers 17, 17,... Of each of the air outlets 13, for example, the lower shaft portion 21 (in FIG. 2) of the vertical louver 17 located at the substantially central portion in the vehicle width direction of the third air outlet 13 from the partition wall 7 a. The central one) projects from the lower wall portion 9a of the frame body 9 to the outside of the frame body 9 and serves as a drive shaft portion 23. The drive shaft portion 23 is integrally formed with an engagement portion 25 that extends toward the bezel 11 side.
[0027]
The engaging portion 25 is disposed in a state of being substantially orthogonal to the drive shaft portion 23 and spaced apart in the axial direction of the drive shaft portion 23, and a pair of upper and lower horizontal plates 27, 27 having an arc shape on the bezel 11 side, A held portion 29 positioned between the horizontal plates 27 and 27 and connecting the horizontal plates 27 and 27 to each other and having left and right side wall surfaces 29a and 29a formed in parallel with each other, and an inner end of the held portion 29 A vertical plate 31 is disposed on the side (drive shaft portion 23 side) so as to be orthogonal to the horizontal plates 27 and 27 and connected to the horizontal plates 27 and 27. A predetermined gap is provided between the inner end of the held portion 29 and the vertical plate 31.
[0028]
The vertical louver operation knob 33 is engaged with the held portion 29 of the engaging portion 25. As shown in FIGS. 2 and 3, the vertical louver operation knob 33 has an arcuate outer peripheral surface 33a and is substantially semi-circular and arranged substantially horizontally, and has an inner peripheral surface (back surface). A pair of holding portions 35, 35 extending to a position corresponding to the diameter portion of the disc portion are projected in parallel with each other at a predetermined interval, and the interval between the holding portions 35, 35 is determined by the engagement portion 25. The distance between the left and right side walls 29a, 29a of the holding portion 29 is slightly larger than the distance.
[0029]
Further, hook-like locking portions 37, 37 for preventing the vertical louver operation knob 33 from coming off from the held portion 29 are provided on the opposing surfaces of the holding portions 35, 35 so as to face each other. Further, at the tip of each holding portion 35, a contact portion 41 is provided so as to extend substantially orthogonal to the holding portion 35 and extending away from each other. The abutting portion 41 abuts on the vertical plate 31, and the holding portions 35, 35 sandwich the held portion 29 of the engaging portion 25 in a state of abutting on the left and right side wall surfaces 29a, 29a, and The engaging portions 37, 37 are fitted between the held portion 29 and the vertical plate 31 and engaged with the inner end surface (the vertical plate 31 side) of the held portion 29, whereby the vertical louver operation knob 33 is engaged. It is prevented from rotating with respect to the engaging portion 25 and is prevented from coming off.
[0030]
In addition, a reference mark 33b indicating the swinging direction of the vertical louvers 17, 17,... Protrudes from the circumferential center of the outer peripheral surface 33a of the vertical louver operation knob 33. Further, the outer peripheral surface 33a of the vertical louver operation knob 33 and the outer peripheral surface of the horizontal louver operation knob 19 are provided with anti-skids such as a knurled portion so that the operability is improved.
[0031]
As shown in FIG. 1, stoppers 43, 43 protrude from the lower wall portion 9 a of the frame body 9 at a predetermined distance inside (front side of the vehicle) from each drive shaft hole 12. The stoppers 43, 43 regulate the turning end of the vertical louver operation knob 33.
[0032]
Next, the assembly procedure of the vehicle air-conditioning blower device 1 according to the embodiment of the present invention will be described. As shown in FIG. 2, when assembling the vehicle air-conditioning blower device 1, first, the vertical louvers 17, 17,. As a result, the engaging portion 25 integrally formed with one of the vertical louvers 17, 17,... Protrudes from the lower wall portion 9 a of the frame body 9. Next, each vertical louver operation knob 33 is assembled to the engaging portion 25. That is, the holding portions 35, 35 of the vertical louver operation knob 33 are inserted between the horizontal plates 27, 27 from the outer end side of the held portion 29 of the engaging portion 25, and the side wall surfaces 29 a, 29 a of the held portion 29 are The inner surfaces of the holding portions 35 and 35 are brought into surface contact with each other, and the contact portions 41 and 41 are brought into contact with the vertical plate 31. In this way, the vertical louver operation knob 33 is engaged and held integrally with the engagement portion 25 in a state where the rotation is prevented. At this time, the holding portions 35, 35 of the holding portions 35, 35 sandwich the inner end surface of the held portion 29, so that the vertical louver operation knob 33 does not come out of the held portion 29.
[0033]
Thereafter, the bezel 11 to which the horizontal louvers 15, 15,... Are assembled is assembled to the frame body 9 of the housing 7 so that the vertical louver operation knob 33 fits into the knob housing hole 11 a of the bezel 11, and the drive shaft portion 23. Is sandwiched between the half recess 12a at the bottom of the notch recess 9b in the frame 9 that forms the drive shaft hole 12, and the half recess 12b at the tip of the protrusion 11b in the bezel 11, and the drive shaft 23 The engaging portion 25 at the lower end is disposed below the housing 7 together with the vertical louver operation knob 33.
[0034]
Thus, when the frame body 9 and the bezel 11 are engaged and assembled together, the vertical louver operation knob 33 engaged with the engaging portion 25 of each of the drive shaft portions 23 becomes the knob of the bezel 11. It protrudes from the accommodation hole 11a so as to face the passenger compartment side, and its outer peripheral surface 33a can be turned left and right.
[0035]
And in the state which assembled | attached the vehicle air conditioner blowing apparatus 1 assembled in this way to the center blowing part 2 of the instrument panel P, the conditioned air was produced | generated in the air conditioner by the action | operation of an air conditioner, and the conditioned air was instrumental The air is blown into the passenger compartment through the air ducts in the instrument panel P from the air outlets 2, 3 and 4 on the surface of the instrument panel P.
[0036]
At this time, in the vehicle air-conditioning blowing device 1 provided in the center blowing portion 2 at the center of the instrument panel P, it is necessary to change the blowing direction of the conditioned air as appropriate depending on the occupant arrangement and the like. In such a case, by rotating the horizontal louver operation knob 19 in the vertical direction, the horizontal louvers 15, 15,... Can be swung to change the vertical blowing direction of the conditioned air to a desired direction. it can. Further, by rotating the vertical louver operation knob 33 in the left-right direction, the vertical louvers 17, 17,... Can be swung to change the conditioned air left-right direction to the desired direction. By this operation, the conditioned air blowing direction can be freely changed left and right and up and down.
[0037]
That is, when the vertical louver operation knob 33 is rotated in the left-right direction of the outer peripheral surface 33a to swing the vertical louvers 17, 17,. The drive shaft 23 is rotated counterclockwise as viewed from above, and the rotational force is transmitted from the connecting shaft 17b of the vertical louver 17 to the link plate 39, so that the link plate 39 moves to the left. As a result, the vertical louvers 17, 17,... Are rotated so that the rear side portions of the vertical louver bodies 17 a, 17 a,... Are directed to the left side of the front end portion, and the conditioned air is blown out most rightward. . On the other hand, when the outer peripheral surface 33a of the vertical louver operation knob 33 is rotated to the leftmost direction, the vertical louvers 17, 17,... Reverse the rear side portions of the vertical louver bodies 17a, 17a,. The air is turned to the right side, and the conditioned air is blown out in the leftmost direction.
[0038]
Therefore, in this embodiment, it engages with the drive shaft portion 23 of the vertical louver 17 projecting out of the frame body 9 from the lower wall portion 9a of the frame body 9 of the housing 7 at each air outlet 13 of the air conditioning blow-out device 1 for a vehicle. Since the vertical louver operation knob 33 that swings the vertical louver 17 is prevented from coming off and is integrally engaged with the engaging portion 25, the vertical louver separate from the housing is provided. It is not necessary to fasten the operation knob to the housing with a screw, so that the number of parts can be reduced and the number of assembly steps can be reduced.
[0039]
Further, the drive shaft portion 23 is rotatably held between the bottom portion of each notch recess 9b of the frame body 9 and the tip end portion of each protruding piece 11b of the bezel 11, and the vertical louver operation knob 33 is driven by the drive shaft. Since it rotates integrally with the part 23, the conditioned air does not leak out of the housing 7.
[0040]
In addition, the vertical louver operation knob 33 is engaged and held integrally with the engaging portion 25 while the side wall surfaces 29a and 29a of the held portions 29 and the holding portions 35 and 35 are in surface contact with each other. When the contact area between the two becomes large and the engagement between the holding portions 35 and 35 of the vertical louver operation knob 33 and the held portion 29 of the drive shaft portion 23 is reliably and stabilized, the vertical louver operation knob 33 is turned. The rotational force is transmitted to the held portion 29, and the vertical louvers 17, 17,... Can be reliably swung around the drive shaft portion 23. Further, even if vehicle vibration or the like is transmitted, the vertical louver operation knob 33 and the held portion 29 of the engaging portion 25 do not rattle, and vibration does not occur.
[0041]
Further, since the contact portions 41 and 41 at the tips of the holding portions 35 and 35 are in contact with the vertical plate 31, the rotational force transmitted to the vertical louver operation knob 33 can be directly transmitted to the vertical plate 31, and the rotation is small. The vertical louvers 17, 17,... Can be rocked more reliably with the operating force.
[0042]
In this embodiment, the drive shaft hole 12 is provided on the lower wall portion 9a side of the frame body 9, but may be provided on the upper wall portion side of the frame body. In this case, the vertical louver operation knob 33 is disposed on the upper wall portion 9d side of the frame body 9.
[0043]
Furthermore, in this embodiment, although the vehicle air-conditioning blower apparatus 1 was provided in the center part of the instrument panel P, it can also be provided in the right and left both ends of the instrument panel P, the ceiling of the passenger compartment, the vicinity of the rear seat, etc. Any structure in which a swing type vertical louver is provided at the outlet of the conditioned air may be used.
[0044]
【The invention's effect】
As described above, according to the vehicle air-conditioning blowout device of the first aspect of the present invention, a plurality of vertical louvers are provided at the outlet for blowing conditioned air into the vehicle compartment, and the shaft portion of any one of the vertical louvers is attached to the housing. As a drive shaft portion that protrudes out of the housing from the lower wall portion or the upper wall portion, an engagement portion that extends toward the bezel side that forms the vehicle compartment side portion of the housing is integrally provided at the protruding end portion, and the drive shaft portion is provided. A vertical pinion that is pivotably held between the bottom of the notch recess in the frame on the opposite side of the housing of the housing and the tip of the protruding piece on the back of the bezel, and rotates integrally with the drive shaft at the engaging portion. Since the operation knob for operating the louver is retained and engaged, the conditioned air does not leak out of the housing, and the number of parts can be reduced as well as the number of assembling steps can be reduced.
[0045]
According to the second aspect of the present invention, the holding portion of the operation knob is inserted between the horizontal plates from the outer end side of the held portion in the engaging portion, and in a surface contact state between the side wall surface of the held portion and the holding portion. Since the operation knob is pivotally engaged with and held by the engaging portion, the vertical louver can be reliably swung around the drive shaft portion, and can be held with the operation knob even if vehicle vibration is transmitted. Vibration does not occur between the parts.
[0046]
According to the third aspect of the present invention, the vertical louver is rocked more securely with a small rotational operation force by bringing the contact portions of the pair of holding portions of the operation knob into contact with the vertical plate of the engagement portion. be able to.
[Brief description of the drawings]
FIG. 1 is a plan view of a vehicular air conditioning blow-out device according to an embodiment of the present invention as viewed from below.
FIG. 2 is an exploded perspective view showing a main part of the vehicle air-conditioning outlet device.
FIG. 3 is an enlarged plan view of a vertical louver operation knob.
FIG. 4 is a plan view of the periphery of the drive shaft hole in the lower wall portion of the housing when the vertical louver operation knob and the engaging portion are omitted, as viewed from the lower surface.
FIG. 5 is a perspective view of the air conditioning blow-out device for a vehicle as viewed from the left side of the vehicle.
FIG. 6 is a perspective view of an instrument panel provided with an air conditioning blowout device for a vehicle according to an embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Vehicle air-conditioning blow-out apparatus 7 Housing 9 Frame 9a Lower wall part 9b Notch recessed part 11 Bezel 11a Knob accommodating hole 11b Projection piece 13 Outlet 17 Vertical louver 21 Shaft part 23 Drive shaft part 25 Engagement part 27 Horizontal flat plate 29 Hold | maintained Part 29a Side wall surface 31 Vertical plate 33 Vertical louver operation knob 33a Arc-shaped outer peripheral surface 35 Holding part 37 Locking part 41 Contact part

Claims

A plurality of vertical louvers are provided at the air outlet for blowing conditioned air into the passenger compartment so as to be able to swing around the shaft portion in the substantially vertical direction, and the conditioned air is blown in the horizontal direction by swinging the vertical louver. In the vehicle air-conditioning blowout device that was changed,
A housing having a frame body whose both ends are open, and a bezel which is integrally attached to the passenger compartment side of the frame body and has an opening for receiving the knob for operating the vertical louver. The air outlet is provided,
Any one shaft portion of the vertical louver is a drive shaft portion that protrudes out of the housing from the lower wall portion or the upper wall portion of the housing, and the protruding end portion of the drive shaft portion faces the bezel side. And an engaging portion that extends in an integrated manner,
A lower wall portion or an upper wall portion corresponding to the drive shaft portion of the frame body is provided with a notch recess that is notched to the position of the drive shaft portion, and on the back surface of the bezel corresponding to the notch recess. Is provided with a projecting piece that fits into the notch recess, and the drive shaft is pivotally sandwiched between the bottom of the notch recess and the tip of the projecting piece,
An operating knob for operating a vertical louver that has an arcuate outer peripheral surface that penetrates the knob housing hole of the bezel and faces the vehicle interior and rotates integrally with the drive shaft is secured to the engaging portion. The vehicle air-conditioning blowout device characterized by being engaged.

In the vehicle air-conditioning blowout device according to claim 1,
The engaging portion includes a pair of horizontal plates that are substantially orthogonal to the drive shaft portion and spaced apart in the axial direction of the drive shaft portion, and is positioned between the horizontal plates to connect the horizontal plates to each other and the left and right side wall surfaces. Have held parts formed parallel to each other,
The operation knob is provided with a pair of holding portions that sandwich the held portion in contact with the left and right side wall surfaces.
Insert the holding part of the operation knob between the horizontal plates from the outer end side of the held part in the engaging part,
An air conditioning blow-out device for vehicles, wherein the operation knob is engaged and held integrally with the engaging portion by bringing the side wall surface of the held portion and the holding portion into surface contact with each other.

The vehicle air-conditioning blowout device according to claim 2,
At the tips of the pair of holding portions of the operation knob, a contact portion is provided so as to extend substantially orthogonal to the holding portion and away from the holding portion,
A vertical plate orthogonal to the horizontal plate and connected to both horizontal plates is provided on the inner end side of the held portion in the engaging portion,
The vehicle air-conditioning blowout device, wherein the operation knob is prevented from rotating with respect to the engagement portion by the contact portion being in contact with the vertical plate.