JPS5911810Y2 - Vehicle wiper structure - Google Patents
Vehicle wiper structureInfo
- Publication number
- JPS5911810Y2 JPS5911810Y2 JP1978148336U JP14833678U JPS5911810Y2 JP S5911810 Y2 JPS5911810 Y2 JP S5911810Y2 JP 1978148336 U JP1978148336 U JP 1978148336U JP 14833678 U JP14833678 U JP 14833678U JP S5911810 Y2 JPS5911810 Y2 JP S5911810Y2
- Authority
- JP
- Japan
- Prior art keywords
- wing
- wiper
- wiper blade
- windshield glass
- joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Description
【考案の詳細な説明】
この考案は自動車等の車のウインドシールドガラスに対
設された雨滴等払拭用ワイパ構造に於て、ワイパブレー
ドを係合しているパッキングプレートを係合している継
片及ぎクリップの前方にウイングを設けた構造に関する
ものであり、特に、該ウイングをしてウインドシールド
ガラスに対してワイパを押圧させる断面を形威し、且つ
、最も押圧効果が発生し易い様にワイパブレード中央位
置に両延じ、空気の流過し易い位置及び視界を良好にす
る位置に取付ける様にした車輌用ワイパ構造に係るもの
である。[Detailed description of the invention] This invention uses a joint that engages a packing plate that engages a wiper blade in a wiper structure for wiping away raindrops that is installed opposite to the windshield glass of a vehicle such as an automobile. This relates to a structure in which a wing is provided in front of the clip, and in particular, the wing has a cross section that presses the wiper against the windshield glass, and is designed so that the pressing effect is most likely to occur. The present invention relates to a wiper structure for a vehicle in which the wiper blade extends from both sides to the central position and is installed at a position where air can easily pass and visibility is improved.
従来より、周知の如く自動車等の車輌のウインドシール
ドガラスに於ては雨滴払拭、付着塵埃除去を企り視界の
良好性を保つ様に安全対策上所謂ワイパ機構が付設され
ている。BACKGROUND ART Conventionally, as a safety measure, a so-called wiper mechanism has been attached to the windshield glass of vehicles such as automobiles to wipe away raindrops and remove adhering dust to maintain good visibility.
而して、近時車輛の高速輸送、高速ツーリング時代に入
ると該ワイパ機構に新たな問題が生ずる様になって来た
。However, in the recent era of high-speed transportation and high-speed touring of vehicles, new problems have arisen in the wiper mechanism.
即ち、通常のワイパ機構を第１〜４図に示す態様で説明
すると、ゴム製等の払拭用ワイパブレード１は弾性金属
板のパッキングプレート２を係合して該パッキングプレ
ート２に係合する継片３を介し継片４によりクリップ５
でアーム６に係合され、図示しない適宜旋回機構により
往復回動する様にされている。That is, to explain a normal wiper mechanism in the form shown in FIGS. 1 to 4, a wiping wiper blade 1 made of rubber or the like engages a packing plate 2 made of an elastic metal plate and has a joint that engages with the packing plate 2. Clip 5 by connecting piece 4 through piece 3
The arm 6 is engaged with the arm 6, and is rotated back and forth by an appropriate rotation mechanism (not shown).
そして、走行中の払拭除去作用は該アーム６内に適宜収
納されているフリツプフロツプバネによりウインドシー
ルドガラス７に対しワイパブレード１に押圧力を印加す
る様にして行っている。The wiping and removal action during running is performed by applying a pressing force to the wiper blade 1 against the windshield glass 7 by a flip-flop spring appropriately housed in the arm 6.
さりながら、中、低速走行に於ではさして問題は生じな
いが、前記の如く、高速、就中、１２０ ｋｍ／ｈを越
える高速になると、とりわけ復動プロセスに於でウイン
ドシールドガラス面を流過する空気の抵抗、動圧が上記
継片の断面三角形上の部分に作用して揚力を生じ、所謂
浮き上りを生じ、払拭残りを発生し運転者の視界不良を
招いて雨天走行が極めて危険となる欠点があった。However, while this does not cause much of a problem when driving at medium to low speeds, as mentioned above, at high speeds, especially over 120 km/h, the windshield glass surface may be affected especially during the backward movement process. The air resistance and dynamic pressure acting on the triangular cross-sectional area of the above-mentioned joints generates a lifting force, causing so-called uplift, which creates residue after wiping and impedes the driver's visibility, making driving in the rain extremely dangerous. There was a drawback.
これに対処するに第２図に示す如く上記継片４の背部４
′を幅方向に切削し、又、それによる強度不足を前部４
″の折り曲げにより補強し、該継片４下部に流過する空
気流をスムースに後流させる技術も案出されてはいるが
、高速走行に於では背面負圧の方が却って大きく効果が
充分に発揮されない難点があった。To deal with this, as shown in FIG.
' was cut in the width direction, and the resulting lack of strength was removed by cutting the front part 4.
A technique has been devised to strengthen the joint by bending the joint 4 and to smoothly flow the air flowing below the joint 4, but in high-speed driving, negative pressure on the back side is much more effective. There was a drawback that it was not fully utilized.
又、第３図に示す様に継片４の頂稜部に所定間隔で窓４
１１／． ４／／／， ４／／／・・・を穿設してワイ
パブレード１前方の風圧を該継片４の各窓４″から抜け
易くすると共に該継片４上に上向に凹のウイング８を前
傾させて設け、風圧を受けさせてワイパブレード１に積
極的に■クインドシールドガラス７に押圧力を印加する
様にした態様も案出されてはいる。In addition, as shown in FIG.
11/. 4///, 4///... are bored to make it easier for the wind pressure in front of the wiper blade 1 to escape through each window 4'' of the joint 4, and an upwardly concave wing is provided on the joint 4. An embodiment has also been devised in which the wiper blade 8 is provided tilted forward and subjected to wind pressure so that the wiper blade 1 can actively apply a pressing force to the windshield glass 7.
しかしながら、該種態様に於では図示する如くワイパ機
構のウインドシールドガラス７からの高さが大きくなり
、特に、ワイパ機構の中心、即ち、運転者の視野の中心
部位に占める機構部の高さが大きくなり視界障害となり
、このことは１２０ｋｍ／ｈを越える高速走行では運転
視野狭少化の中心に位置して甚だしく危険である不利点
があった。However, in this embodiment, as shown in the figure, the height of the wiper mechanism from the windshield glass 7 becomes large, and in particular, the height of the mechanism portion that occupies the center of the wiper mechanism, that is, the center of the driver's field of vision, increases. This has the disadvantage of becoming large and obstructing visibility, which is extremely dangerous when driving at high speeds exceeding 120 km/h, as it is central to the narrowing of the driver's field of vision.
従って、該ウイング８を低く、或は、風圧に対して傾斜
を甘くせざるを得す、結果的に第４図に示す様に揚力Ｕ
に対し押圧力Ｄが足らず、抗力Ｒとのベクトル合戊Ｆは
ワイパブレード１を上方に引き上げる作用をし易いデメ
リットがあった。Therefore, it is necessary to lower the wing 8 or make the slope gentler with respect to the wind pressure, and as a result, the lift force U is reduced as shown in FIG.
However, the pressing force D is insufficient, and the vector combination F with the drag force R tends to pull the wiper blade 1 upward.
この考案の目的は上記従来技術に基づく高速走行に於け
るワイパ機構の浮揚の問題点に鑑み、ワイパブレードに
間隔を置いて風圧を受けるウイングを設け、ワイパブレ
ードの中心から両側に押圧力が風圧に比例して強化され
、内方の風圧は容易に抜ける様にして払拭残りの無い様
にした優れた車輌用ワイパ構造を提供せんとするもので
ある。The purpose of this invention is to take into account the problem of the wiper mechanism floating during high-speed driving based on the above-mentioned conventional technology, and by providing wings that receive wind pressure at intervals on the wiper blade, the pressing force is applied from the center of the wiper blade to both sides. It is an object of the present invention to provide an excellent vehicle wiper structure which is strengthened in proportion to the width of the wiper, and which allows the inner wind pressure to escape easily and leaves no residue after wiping.
上記目的に沿うこの考案の構戊は車輌の高速雨天走行等
に於てワイパのウインドシールドガラス払拭作用を行う
と、往動方向前方に傾斜したウイングにより風圧の多く
を受けて継片の中央を介してワイパブレードに対してウ
インドシールドガラスに風圧に比例した押圧力を与え、
又、該ウイング先端とウインドシールドガラスとの間か
らの侵入空気のワイパブレード上方に来る分は該ウイグ
の上端後縁とクリップ、継片間の間隙から後方に容易に
抜け、又、該ウイングが運転席からみて継片、ワイパブ
レード前方に位置することにより雨天高速走行の狭視野
を良好に確保することが出来る様にしたことを要旨とす
るものである。The structure of this invention, which is in line with the above purpose, is that when the windshield glass is wiped by the wiper when the vehicle is driving at high speed in the rain, the wing tilted forward in the forward direction receives much of the wind pressure and the center of the joint is damaged. It applies a pressing force proportional to the wind pressure to the windshield glass against the wiper blade,
In addition, the portion of air entering above the wiper blade from between the tip of the wing and the windshield glass can easily escape rearward through the gap between the rear edge of the upper end of the wig, the clip, and the joint. The gist of this is that by positioning the joint piece in front of the wiper blade when viewed from the driver's seat, it is possible to ensure a good narrow field of view when driving at high speeds in the rain.
次にこの考案の１実施例を第５図以下の図面に基づいて
説明すれば以下の通りである。Next, one embodiment of this invention will be described below based on the drawings from FIG. 5 onwards.
尚、第１〜４図に示す態様の部分と同一部分については
同一符号を用いて説明するものとする。Note that the same parts as those in the embodiment shown in FIGS. 1 to 4 will be described using the same reference numerals.
ワイパブレード１は周知の如くその上部溝に係合した弾
性パッキングプレート２に係止する継片３，３を介して
継片４に連係されており、該継片４の中央にオーバーハ
ングしたクリツフ゜５はスフ゜ノング９を中装してリベ
ツ｝ １０を介して枢支されると共にその前部内延する
ブラケット５′を介してアーム６のアームピース６′に
嵌着し、ウイング１１を上置してネジ１２により固定さ
れ、図示しない回動機構に連係されるアームリテーナ６
″を介してワイパブレード１をウインドシールドガラス
７に対し旋回払拭作用を行う様にされている。As is well known, the wiper blade 1 is connected to a joint 4 via joints 3, 3 which are engaged with an elastic packing plate 2 engaged in an upper groove of the wiper blade. 5 is fitted with a rivet with a wing 9 inserted therein. It is pivotally supported via a bridge 10 and is fitted onto an arm piece 6' of an arm 6 via a bracket 5' extending inwardly at the front thereof, and a wing 11 is placed on top of the arm piece 6'. An arm retainer 6 fixed by screws 12 and linked to a rotation mechanism (not shown)
The wiper blade 1 is configured to perform a rotating wiping action on the windshield glass 7 through the ``.
而して、該ウイング１１は断面インテグラル記号状であ
ってスクレーパ形に曲面形威されると共に上記クリップ
５を略中央にしてワイパブレード１に沿って両延し前縁
、即ち、復方向前縁はウインドシールドガラス７に対し
Ｌ１だけ微少間隙を介し又、後縁は該前縁よりＬ２だけ
高く、上記クリップ５、継片４を上方に越えない高さで
、且つ、該クリップ５に間隙を設け、又、該継片４に対
しＬ３の風抜き用一定間隙を介して上記ネジ１２により
アームピース６′に係合されている。The wing 11 has an integral symbol shape in cross section, has a scraper-like curved surface, and extends along both sides of the wiper blade 1 with the clip 5 approximately in the center. The edge has a slight gap L1 with respect to the windshield glass 7, and the rear edge is higher than the front edge by L2, and has a height that does not exceed the clip 5 and the joint 4 above, and has a gap in the clip 5. , and is engaged with the arm piece 6' by the screw 12 with a predetermined air venting gap L3 between the joint piece 4 and the arm piece 6'.
又、該ウイング１１の両側は風圧を集中することが可能
である様にかき込み型に寄せ型に或形されている。Further, both sides of the wing 11 are shaped into a raked type or a raised type so that wind pressure can be concentrated.
従って、運転席からみて該ウイング１１はクリップ５、
継片４、ワイパブレード１に遮蔽されて見えず、視野障
害になることはない。Therefore, when viewed from the driver's seat, the wing 11 includes the clip 5,
It is hidden by the joint piece 4 and the wiper blade 1 and cannot be seen, so there is no obstruction to the visual field.
又、当該実施例に於ではアームピース６′も継片４に前
置されているためワイパは極めて低く見え、視野は可及
的に広く維持される。Furthermore, in this embodiment, the arm piece 6' is also placed in front of the joint piece 4, so that the wiper appears extremely low and the field of view is maintained as wide as possible.
上記構或に於で、雨中高速走行に際しワイパ作動させる
と、風は相対高速によりウインドシールドガラス７面に
於でワイパブレード１に対し、特に、その復動プロセス
で極めて強い動圧を付与する。In the above structure, when the wiper is operated during high-speed driving in the rain, the relative high speed of the wind applies extremely strong dynamic pressure to the wiper blade 1 on the windshield glass 7 surface, especially during the back-movement process.
そこで゛、ワイパブレード１に向こう風はウイグ１１に
よりほとんどその動圧を受け、空気は図示する流線の如
く上方偏流Ｐとなり流過し、該ウイング１１に作用する
動圧は分力としてウインドシールドガラス７に対して風
圧に比例する大きな押圧力が印加され、ブラケット５′
、クリップ５、継手４，３、パッキングプレート２を介
してワイパブレード１を該ウインドシールドガラス７に
払拭力を付与する。Therefore, the head wind against the wiper blade 1 receives most of its dynamic pressure from the wing 11, and the air becomes an upward drift P as shown in the streamline shown in the figure and flows past, and the dynamic pressure acting on the wing 11 is converted into a component force on the windshield. A large pressing force proportional to the wind pressure is applied to the glass 7, and the bracket 5'
, the wiper blade 1 applies wiping force to the windshield glass 7 via the clip 5, the joints 4, 3, and the packing plate 2.
一方、ウイング１１とウインドシールドガラス７との間
隙Ｌ１から侵入した風ｑは上記ウイング１１の後縁とク
リップ５との間隙、継片４との間隙Ｌ３から吸引排出さ
れ継片４に対する浮揚力はほとんど作用しない。On the other hand, the wind q that entered through the gap L1 between the wing 11 and the windshield glass 7 is sucked and discharged through the gap between the rear edge of the wing 11 and the clip 5 and the gap L3 between the joint 4, and the buoyancy force on the joint 4 is Almost no effect.
又、該ウイング１１が風をがき込む形状にされると共に
その略中央部がクリップ５を介してワイパブレード１の
中央に連係される様になっているので高速走行時の視野
の狭隘化の進行に随伴して視野の中心のワイパブレード
１の払拭力は強化され浮き上りによる払拭残りは生じな
い。Furthermore, since the wing 11 is shaped to let in the wind and its approximately central portion is connected to the center of the wiper blade 1 via the clip 5, the field of view becomes narrower during high-speed driving. As a result, the wiping force of the wiper blade 1 at the center of the field of view is strengthened, and no wiping residue is left due to lifting.
従って、第８図に示す様に揚力Ｕは小さく、押圧力Ｄ′
は大きく、その限り、抗力Ｒとのベクトル合戊はＦ′と
ウインドシールドガラス７側に向う様にされ、ワイパの
浮き上りを防止する。Therefore, as shown in Fig. 8, the lifting force U is small and the pressing force D'
is large, and as long as that is the case, the vector combination with the drag force R is directed toward F' and the windshield glass 7, thereby preventing the wiper from lifting up.
勿論、その間、前述の様にワイパの視界内高さは低く、
従って、高速走行時の狭視野に対する障害はない。Of course, during this time, as mentioned above, the height of the wiper within the field of view is low,
Therefore, there is no problem with narrow field of view when driving at high speed.
尚、この考案の実施例は上記態様に限ることなく、継片
もウイングタイプに或形可能であり、又、継片に風抜き
スリットを穿設する様にしても良いし、ウイング長、比
率も適宜決められる。Note that the embodiment of this invention is not limited to the above-mentioned embodiments, and the joints may also be shaped into wing types, or the joints may be provided with ventilation slits, or the wing length and ratio may be changed. can also be determined as appropriate.
以上この考案によれば、ワイパブレードをパッキングプ
レートに係合させ、該パッキングプレートを継片を介し
てアームほ連係させ、更に該アームと継片との間に介装
したクリップ前部に該クリップと上部継片に所定間隙を
介してウイングを設け、該ウイングをしてスクレーパ状
に形戊し、その前縁をウインドシールドガラスに可及的
に近接するようにしたことにより、基本的に高速走行時
に風圧が該ウイングに大きく作用し、ワイパブレードを
してウインドシールドガラスに風圧に比例的に押圧力を
与え積極的に払拭力を印加することが出来る効果がある
。As described above, according to this invention, the wiper blade is engaged with the packing plate, the packing plate is connected to the arm via the joint piece, and the clip is attached to the front part of the clip interposed between the arm and the joint piece. By providing a wing with a predetermined gap between the upper joint and the upper joint, the wing is shaped like a scraper, and its leading edge is placed as close as possible to the windshield glass. When the vehicle is running, wind pressure acts heavily on the wings, and the wiper blades can apply pressing force to the windshield glass in proportion to the wind pressure, thereby actively applying wiping force.
又、該ウイングとワイパブレード間に浸入した風はウイ
ングとクリップ、継片との間隙から吸引排出されるため
浮揚力は抑止され、その結果、該浮揚力削減と上記押圧
力がダブルで効き、確実に払拭される効果がある。In addition, the wind that has entered between the wing and the wiper blade is suctioned and discharged through the gap between the wing, the clip, and the joint, so the buoyancy force is suppressed, and as a result, the buoyancy force reduction and the above-mentioned pressing force are double effective, It has a guaranteed dispelling effect.
更に、ワイパアームはアームリテーナ基部を支点として
ワイパブレードに押圧力を与えられるため押圧力がクリ
ップを介してワイパブレードに印加されるためモーメン
トが大きく働く効果もある。Furthermore, since the wiper arm applies a pressing force to the wiper blade using the base of the arm retainer as a fulcrum, the pressing force is applied to the wiper blade via the clip, which has the effect of generating a large moment.
加えて、ウイングが継片、クリップに対して前置される
ため運転席の視野を阻害せず、又、ワイパブレードの可
及的中心に大きく押圧力が働くため高速に随伴して視野
がせまくなる高速雨天走行もより確実な良好な視野で安
全運転が可能となる効果がある、In addition, since the wing is placed in front of the joint and clip, it does not obstruct the driver's seat's field of view, and since a large pressing force is applied to the center of the wiper blade, the field of view becomes narrow due to high speed. This has the effect of enabling safe driving with a better field of vision even when driving at high speeds in the rain.
第１図はワイパ機構の一般概略説明図、第２，３図は従
来技術に基づくワイパ機構の作用説明図、第４図は第２
，３図のベクトル説明図、第５図以下はこの考案の実施
例の説明図であり、第５図は１実施例の斜視説明図、第
６，７図は第５図Ａ−Ａ’，Ａ一Ｂ断面作用説明図、第
８図は第６，７図ベクトル説明図である。
７・・・ウインドシールドガラス、６・・・アーム、５
，５′・・・クリップ、１・・・ワイパブレード、２・
・・パッキングフ゜レート、３，４・・・継片、１１・
・・ウイング、Ｌ１・・・微少間隙、Ｌ３・・・間隙。Fig. 1 is a general schematic explanatory diagram of the wiper mechanism, Figs. 2 and 3 are explanatory diagrams of the operation of the wiper mechanism based on the conventional technology, and Fig. 4 is a general schematic explanatory diagram of the wiper mechanism.
, 3 are explanatory diagrams of vectors, and FIG. 5 and the following are explanatory diagrams of embodiments of this invention. A-B cross-sectional action explanatory diagram, FIG. 8 is a vector explanatory diagram of FIGS. 6 and 7. 7... Windshield glass, 6... Arm, 5
, 5'... Clip, 1... Wiper blade, 2...
... Packing plate, 3, 4... Joint piece, 11.
...Wing, L1...minor gap, L3...gap.
Claims (1)
アームがその先端のクリップを介してワイパブレードの
パッキングプレートに連係する継片を係合すると共に該
ワイパブレード前方に設けたウイングを係合している車
輌用ワイパ構造において、該ウイングが前記ウインドシ
ールドガラスに対してスクレーパ状曲面形状に形或され
て前記クリップに対して長手方向両延され、而して該ウ
イングの前縁は該ウインドシールドガラスに微少間隙を
有して臨まされかつ後縁は走行中に該微少間隙から浸入
した風を吸引排出せしめるように前記継片に対して間隙
を有し、更に該後縁の中央部が前記アームの上部に係合
されていることを特徴とする車輌用ワイパ構造。An arm rotatably installed opposite to the windshield glass of a vehicle engages a joint connected to a packing plate of a wiper blade through a clip at its tip, and also engages a wing provided in front of the wiper blade. In the vehicle wiper structure, the wing is formed into a scraper-like curved surface shape with respect to the windshield glass and extends in both longitudinal directions with respect to the clip, and the front edge of the wing is formed in a scraper-like curved shape with respect to the windshield glass. The rear edge faces the glass with a small gap, and the trailing edge has a gap with respect to the joint so as to suck and discharge the wind that entered through the small gap during running, and the center part of the rear edge A wiper structure for a vehicle, characterized in that it is engaged with an upper part of an arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1978148336U JPS5911810Y2 (en) | 1978-10-30 | 1978-10-30 | Vehicle wiper structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1978148336U JPS5911810Y2 (en) | 1978-10-30 | 1978-10-30 | Vehicle wiper structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5565244U JPS5565244U (en) | 1980-05-06 |
| JPS5911810Y2 true JPS5911810Y2 (en) | 1984-04-10 |
Family
ID=29130637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1978148336U Expired JPS5911810Y2 (en) | 1978-10-30 | 1978-10-30 | Vehicle wiper structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5911810Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02303958A (en) * | 1989-05-19 | 1990-12-17 | Ichikoh Ind Ltd | High speed wiper blade |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4729937U (en) * | 1971-04-28 | 1972-12-05 | ||
| JPS5141710U (en) * | 1974-09-24 | 1976-03-27 |
-
1978
- 1978-10-30 JP JP1978148336U patent/JPS5911810Y2/en not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4729937U (en) * | 1971-04-28 | 1972-12-05 | ||
| JPS5141710U (en) * | 1974-09-24 | 1976-03-27 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5565244U (en) | 1980-05-06 |
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