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JP4045758B2 - Washer nozzle mounting structure on wiper arm - Google Patents
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JP4045758B2 - Washer nozzle mounting structure on wiper arm - Google Patents

Washer nozzle mounting structure on wiper arm Download PDF

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Publication number
JP4045758B2
JP4045758B2 JP2001182468A JP2001182468A JP4045758B2 JP 4045758 B2 JP4045758 B2 JP 4045758B2 JP 2001182468 A JP2001182468 A JP 2001182468A JP 2001182468 A JP2001182468 A JP 2001182468A JP 4045758 B2 JP4045758 B2 JP 4045758B2
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JP
Japan
Prior art keywords
washer nozzle
nozzle member
wiper arm
plate portion
mounting
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 - Fee Related
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JP2001182468A
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Japanese (ja)
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JP2002370625A (en
Inventor
彰 門倉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ichikoh Industries Ltd
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Ichikoh Industries Ltd
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Filing date
Publication date
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Priority to JP2001182468A priority Critical patent/JP4045758B2/en
Publication of JP2002370625A publication Critical patent/JP2002370625A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/46Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
    • B60S1/48Liquid supply therefor
    • B60S1/52Arrangement of nozzles; Liquid spreading means
    • B60S1/522Arrangement of nozzles; Liquid spreading means moving liquid spreading means, e.g. arranged in wiper arms

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  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)

Description

【0001】
【発明の属する技術分野】
この発明は、ワイパアームにおけるウオッシャノズルの取付構造に係るものである。特に、この発明は、ワイパアームの取付板部にウオッシャノズル部材を簡単に組み付けることができ、しかも、一旦組み付けるとウオッシャノズル部材がワイパアームの取付板部に確実に取り付けられるワイパアームにおけるウオッシャノズルの取付構造に関するものである。
【0002】
【従来の技術】
この種のウオッシャノズルの取付構造としては、たとえば、実用新案登録公報(第2573869号)に記載のものがある。この取付構造は、アームピース(5)のウオッシャノズル取付部(5b)に突部(5b2)を設け、ウオッシャノズル(8)の本体(8a)に弾性変形可能な天壁(8c)を設け、その天壁(8c)に係止孔(8c1)を設けたものである。
【0003】
この取付構造は、アームピース(5)のウオッシャノズル取付部(5b)にウオッシャノズル(8)の本体(8a)と天壁(8c)とを挟み込み、アームピース(5)の突部(5b2)にウオッシャノズル(8)の係止孔(8c1)を係止するものである。
【0004】
【発明が解決しようとする課題】
この種のワイパアームにおけるウオッシャノズルの取付構造においては、ワイパアームにウオッシャノズルを簡単に組み付けることができ、しかも、一旦組み付けるとウオッシャノズルがワイパアームに確実に取り付けられることが重要な事項である。
【0005】
この発明は、ワイパアームの取付板部にウオッシャノズル部材を簡単に組み付けることができ、しかも、一旦組み付けるとウオッシャノズル部材がワイパアームの取付板部に確実に取り付けられるワイパアームにおけるウオッシャノズルの取付構造を提供することを目的とする。
【0006】
【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にかかる発明は、取付板部およびウオッシャノズル部材に、取付板部とウオッシャノズル部材との当接により、取付板部に挟み込み取付部を差し込む差し込み方向の動きを規制する第1規制手段と、取付板部とウオッシャノズル部材との当接により、挟み込み取付部が取付板部を挟み込む挟み込み方向、および、前記差し込み方向と、それぞれ交差する方向の動きを規制する第2規制手段と、第1規制手段により前記差し込み方向の動きが規制された際に、取付板部とウオッシャノズル部材とが相互に係合することにより、前記差し込み方向と反対方向の抜けを防止する抜け止め係合手段と、をそれぞれ設け、取付板部に挟み込み取付部を差し込む際に当接してスライドする傾斜面を取付板部の抜け止め係合手段とウオッシャノズル部材の抜け止め係合手段とそれぞれ設け、抜け止め係合手段の傾斜面が当接スライドする際に弾性変形する弾性変形部を挟み込み取付部に設ける、ことを特徴とする。また、請求項2にかかる発明は、取付板部とウオッシャノズル部材とに、取付板部にウオッシャノズル部材を組み付ける際に第1規制手段および第2規制手段および抜け止め手段が所定の位置にガイドされるためのガイドを、それぞれ設ける、ことを特徴とする。
【0007】
この結果、請求項1にかかる発明は、ワイパアームの取付板部にウオッシャノズル部材を組み付ける際に、取付板部に挟み込み取付部を差し込むと、抜け止め係合手段の傾斜面が当接スライドすると共に、挟み込み取付部の弾性変形部が弾性変形する。このために、請求項1にかかる発明は、ワイパアームの取付板部にウオッシャノズル部材を簡単に組み付けることができる。
【0008】
また、請求項1にかかる発明は、ワイパアームの取付板部にウオッシャノズル部材を一旦組み付けると、挟み込み取付部が取付板部を挟み込み、第1規制手段が差し込み方向の動きを規制し、第2規制手段が挟み込み方向および差し込み方向とそれぞれ交差する方向の動きを規制し、抜け止め手段が差し込み方向と反対方向の抜けを防止する。これにより、請求項1にかかる発明は、一旦組み付けるとウオッシャノズル部材がワイパアームの取付板部に確実に取り付けられる。特に、請求項2にかかる発明は、取付板部にウオッシャノズル部材を組み付ける際に、取付板部のガイドとウオッシャノズル部材のガイドとのガイド作用により、第1規制手段および第2規制手段および抜け止め手段が所定の位置にガイドされる。これにより、請求項2にかかる発明は、取付板部にウオッシャノズル部材を確実に組み付けることができる。
【0009】
【発明の実施の形態】
以下、この発明にかかるワイパアームにおけるウオッシャノズルの取付構造の実施形態の1例を添付図面を参照して説明する。なお、この実施形態によりこの発明が限定されるものではない。
【0010】
(実施の形態の構成の説明)
図において、1はワイパアームである。このワイパアーム1は、アームヘッド2とリテーナ3とから構成されている。
【0011】
アームヘッド2の一端は、ワイパ軸4に取り付けられる。このアームヘッド2の他端には、リテーナ3の一端がワイパ軸4と交差するリベット5により回転可能に取り付けられている。ワイパ軸4は、動力伝達手段を介してワイパ駆動手段に取り付けられている。これにより、ワイパアーム1は、高速往復回転、低速往復回転、間欠往復回転などする。
【0012】
リテーナ3の他端には、ワイパブレードが着脱可能に取り付けられる。このワイパブレードは、払拭面、たとえば、自動車のフロントウインドウガラス面に付着した水滴などを払拭する。
【0013】
リテーナ3は、この例では鋼板をプレス加工して形成されている。なお、リテーナ3は、樹脂により成形しても良い。このリテーナ3は、断面コの字形状をなす。このリテーナ3の一側板には、取付板部6が形成されている。
【0014】
図3に示すように、取付板部6には、3個の凹部がそれぞれ設けられている。この中央の凹部の突き当たり面には、第1規制手段としての当接面7が設けられている。左右両側の凹部の左右両側面には、第2規制手段としての当接面8がそれぞれ設けられている。また、左右両側の凹部の外側の面には、末広がりのガイド面24がそれぞれ設けられている。
【0015】
取付板部6には、抜け止め係合手段としての凸片9が中央の凹部の左側の開口部分を塞ぐようにして一体に設けられている。この凸片9の垂直後面には、係合面90が設けられている。また、この凸片9の外側の面には、傾斜面10が設けられている。この傾斜面10は、差し込み方向Aに対して上り勾配をなす。
【0016】
図において、11はウオッシャノズル部材である。このウオッシャノズル部材11は、この例では樹脂により成形されている。このウオッシャノズル部材11は、図4および図5に示すように、本体部12と、この本体部12の下面の左右両端部に一体に設けたL字形状の弾性脚部13、13とを有する。図4(B)、(C)および図7(A)、(B)、(C)に示すように、前記弾性脚部13、13の先端部は、前記本体部12よりも外側に突出している。前記弾性脚部13、13の先端部の前記本体部12と対向する側の面には、傾斜面が設けられている。
【0017】
この本体部12と、2個の弾性脚部13、13とは、挟み込み取付部を構成する。また、この2個の弾性脚部13、13のうち、本体部12との付け根部分には、抜け止め係合手段としての凸片9、凸部19の傾斜面10、20が当接スライドする際に弾性変形する弾性変形部14、14が、構成されている。さらに、付け根部分の左右両側面には、第2規制手段としての当接面15、15がそれぞれ設けられている。
【0018】
本体部12の下面のほぼ中央には、下面から見て前方後円形状の台部16が一体に設けられている。この台部16の半円形の後部面には、第1規制手段としての当接面17が設けられている。この台部16の下面には、チューブ接続用の管部18が一体に設けられている。
【0019】
本体部12の下面の台部16の左側には、抜け止め係合手段としての凸部19が一体に設けられている。この凸部の19の垂直前面には、係合面190が設けられている。また、この凸部19の下面には、傾斜面20が設けられている。この傾斜面20は、差し込み方向Aに対して下り勾配をなす。
【0020】
本体部12には、4個のウオッシャ液を噴射する噴射口21およびウオッシャ液を供給する供給路22がそれぞれ設けられている。この4個の噴射口21と供給路22とは、それぞれ連通されている。また、この4個の噴射口21は、払拭面に向いている。さらに、供給路22は、管部18において開口されている。管部18には、ウオッシャ液を供給するチューブなど23の一端が嵌合固定されている。このチューブなど23の他端は、ウオッシャ液供給装置(図示せず)に接続されている。
【0021】
(実施の形態の作用の説明)
この実施の形態におけるウオッシャノズルの取付構造は、以上のごとき構成からなり、以下、その作用について説明する。
【0022】
まず、ワイパアーム1の取付板部6にウオッシャノズル部材11の挟み込み取付部(本体部12と弾性脚部13、13)を矢印A方向に差し込む。すると、図9(B)に示すように、ワイパアーム1およびウオッシャノズル部材11の抜け止め係合手段としての凸片9、凸部19の傾斜面10、20が当接スライドする。このとき、図7(B)および図9(B)に示すように、ウオッシャノズル部材11の弾性変形部14、14が弾性変形して、本体部12が矢印G方向に開く。
【0023】
さらに、取付板部6に本体部12と弾性脚部13、13を矢印A方向に差し込む。すると、図6(B)および図8(B)に示すように、ワイパーアーム1の第1規制手段の当接面7にウオッシャノズル部材11の第1規制手段の当接面17が当接する。この結果、第1規制手段の当接面7、17の当接により、取付板部6に本体部12と弾性脚部13、13を差し込む差し込み方向Aの動きが規制される。
【0024】
また、第1規制手段の当接面17が当接したときに、図6(B)および図9(C)に示すように、弾性変形していた弾性変形部14、14が元の状態に弾性復帰する。このために、開いた状態にある本体部12が閉じ、ワイパーアーム1の抜け止め係合手段としての凸片9の係合面90にウオッシャノズル部材11の抜け止め手段としての凸部19の係合面190が当接する。この結果、係合面90、190の係合により、ウオッシャノズル部材11がワイパアーム1から差し込み方向Aと反対方向Dに抜けるのを防止することができる。
【0025】
さらに、第1規制手段の当接面17が当接し、かつ、係合面90、190が係合したときに、図6(B)に示すように、ワイパーアーム1の第2規制手段の当接面8にウオッシャノズル部材11の第2規制手段の当接面15、15が当接する。この結果、第2規制手段の当接面8、15、15の当接により、本体部12と弾性脚部13、13が本体板部6を挟み込む挟み込み方向、および、取付板部6に本体部12と弾性脚部13、13を差し込む差し込み方向Aと、それぞれ交差する方向(直行する方向)Fの動きが規制される。
【0026】
さらにまた、第1規制手段の当接面7、17が当接し、また、抜け止め係合手段としての凸片9、凸部19の係合面90、190が係合し、さらに、第2規制手段の当接面8、15、15が当接したときに、図7(C)に示すように、取付板部6の上下面に本体部12の下面と弾性脚部13、13の上面とが弾性当接する。すなわち、取付板部6に挟み込み取付部が挟み込む。この結果、ウオッシャノズル部材11がワイパアーム1に対して挟み込み方向と反対方向Eのがたを防止することができる。
【0027】
(実施の形態の効果の説明)
このように、この実施の形態におけるウオッシャノズルの取付構造は、以上のごとき構成からなるので、以下の効果を達成することができる。
【0028】
すなわち、この実施の形態におけるウオッシャノズルの取付構造は、ワイパアーム1の取付板部6にウオッシャノズル部材11を組み付ける際に、取付板部6に挟み込み取付部(本体部12と弾性脚部13、13)を差し込むと、抜け止め係合手段としての凸片9、凸部19の傾斜面10、20が当接スライドすると共に、弾性脚部13、13の弾性変形部14、14が弾性変形する。このために、この実施の形態におけるウオッシャノズルの取付構造は、ワイパアーム1の取付板部6にウオッシャノズル部材11を簡単に組み付けることができる。
【0029】
また、この実施の形態におけるウオッシャノズルの取付構造は、ワイパアーム1の取付板部6にウオッシャノズル部材11を一旦組み付けると、本体部12と弾性脚部13、13とが取付板部6を挟み込み、第1規制手段の当接面7、17が差し込み方向Aの動きを規制し、第2規制手段の当接面8、15、15が挟み込み方向および差し込み方向Aとそれぞれ交差する方向Fの動きを規制し、抜け止め係合手段としての凸片9、凸部19の係合面90、190が差し込み方向Aと反対方向Dの抜けを防止する。これにより、この実施の形態におけるウオッシャノズルの取付構造は、一旦組み付けるとウオッシャノズル部材11がワイパアーム1の取付板部6に確実に取り付けられる。
【0030】
特に、この実施の形態におけるウオッシャノズルの取付構造は、ワイパアーム1の取付板部6にウオッシャノズル部材11を組み付ける際に、図6(A)に示すように、ウオッシャノズル部材11の弾性脚部13、13の付け根部の外側の面(弾性脚部13、13の付け根部分の左右両側面、すなわち、第2規制手段としての当接面15、15のうちの外側の当接面15、15)がワイパアーム1のガイド面24により、ガイドされる。また、図7(A)、(B)、(C)に示すように、取付板部6の先端が弾性脚部13、13の先端部の傾斜面にガイドされる。このために、第1規制手段、第2規制手段、抜け止め係合手段が所定の位置にガイドされて所定の位置で確実に作用する。これにより、この実施の形態におけるウオッシャノズルの取付構造は、ワイパアーム1の取付板部6にウオッシャノズル部材11を確実に組み付けることができる。
【0031】
【発明の効果】
以上から明らかなように、この発明にかかるワイパアームにおけるウオッシャノズルの取付構造は、ワイパアームの取付板部にウオッシャノズル部材を組み付ける際に、取付板部に挟み込み取付部を差し込むと、抜け止め係合手段の傾斜面が当接スライドすると共に、挟み込み取付部の弾性変形部が弾性変形する。このために、この発明にかかるワイパアームにおけるウオッシャノズルの取付構造は、ワイパアームの取付板部にウオッシャノズル部材を簡単に組み付けることができる。
【0032】
また、この発明にかかるワイパアームにおけるウオッシャノズルの取付構造は、ワイパアームの取付板部にウオッシャノズル部材を一旦組み付けると、挟み込み取付部が取付板部を挟み込み、第1規制手段が差し込み方向の動きを規制し、第2規制手段が挟み込み方向および差し込み方向とそれぞれ交差する方向の動きを規制し、抜け止め手段が差し込み方向と反対方向の抜けを防止する。これにより、この発明にかかるワイパアームにおけるウオッシャノズルの取付構造は、一旦組み付けるとウオッシャノズル部材がワイパアームの取付板部に確実に取り付けられる。特に、この発明にかかるワイパアームにおけるウオッシャノズルの取付構造は、取付板部にウオッシャノズル部材を組み付ける際に、取付板部のガイドとウオッシャノズル部材のガイドとのガイド作用により、第1規制手段および第2規制手段および抜け止め手段が所定の位置にガイドされる。これにより、この発明にかかるワイパアームにおけるウオッシャノズルの取付構造は、取付板部にウオッシャノズル部材を確実に組み付けることができる。
【図面の簡単な説明】
【図1】この発明のワイパアームにおけるウオッシャノズルの取付構造の実施の形態を示す斜視図である。
【図2】図1におけるII−II線矢視図である。
【図3】(A)はウオッシャノズル部材を取り付ける前のワイパアームを示す一部底面図、(B)は(A)におけるB矢視図である。
【図4】(A)はウオッシャノズル部材を示す底面図、(B)は(A)におけるB矢視図、(C)は(A)におけるC矢視図である。
【図5】(A)は図4(A)に対応する断面図、(B)は図4(B)に対応する断面図、(C)は図4(C)に対応する断面図である。
【図6】(A)はワイパアームにウオッシャノズル部材を取り付ける前を示す一部底面図、(B)はワイパアームにウオッシャノズル部材を取り付けた後を示す一部底面図である。
【図7】(A)はワイパアームにウオッシャノズル部材を取り付ける前を示す図6(B)におけるVII−VII線断面図、(B)はワイパアームにウオッシャノズル部材を取り付ける途中を示す図6(B)におけるVII−VII線断面図、(C)はワイパアームにウオッシャノズル部材を取り付けた後を示す図6(B)におけるVII−VII線断面図である。
【図8】(A)はワイパアームにウオッシャノズル部材を取り付ける前を示す図6(B)におけるVIII−VIII線断面図、(B)はワイパアームにウオッシャノズル部材を取り付けた後を示す図6(B)におけるVIII−VIII線断面図である。
【図9】(A)はワイパアームにウオッシャノズル部材を取り付ける前を示す図6(B)におけるIX−IX線断面図、(B)はワイパアームにウオッシャノズル部材を取り付ける途中を示す図6(B)におけるIX−IX線断面図、(C)はワイパアームにウオッシャノズル部材を取り付けた後を示す図6(B)におけるIX−IX線断面図である。
【符号の説明】
1 ワイパアーム
2 アームヘッド
3 リテーナ
4 ワイパ軸
5 リベット
6 取付板部
7 当接面(第1規制手段)
8 当接面(第2規制手段)
9 凸片(抜け止め係合手段)
90 係合面
10 傾斜面
11 ウオッシャノズル部材
12 本体部(挟み込み取付部)
13、13 弾性脚部(挟み込み取付部)
14、14 弾性変形部
15、15 当接面(第2規制手段)
16 台部
17 当接面(第1規制手段)
18 管部
19 凸部(抜け止め係合手段)
190 係合面
20 傾斜面
21 噴射口
22 供給路
23 チューブなど
24 ガイド面
A 差し込み方向
D 差し込み方向Aと反対方向
E 挟み込み方向と反対方向
F 挟み込み方向および差し込み方向Aとそれぞれ交差する方向
G 本体部12の開き方向
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a washer nozzle mounting structure in a wiper arm. In particular, the present invention relates to a washer nozzle mounting structure in a wiper arm in which a washer nozzle member can be easily assembled to a mounting plate portion of a wiper arm, and the washer nozzle member is securely mounted to a mounting plate portion of a wiper arm once assembled. Is.
[0002]
[Prior art]
As a mounting structure for this type of washer nozzle, for example, there is a structure described in Utility Model Registration Gazette (No. 2573869). In this mounting structure, a projection (5b2) is provided on the washer nozzle mounting portion (5b) of the arm piece (5), and an elastically deformable ceiling wall (8c) is provided on the main body (8a) of the washer nozzle (8). The top wall (8c) is provided with a locking hole (8c1).
[0003]
In this mounting structure, the main body (8a) and the top wall (8c) of the washer nozzle (8) are sandwiched between the washer nozzle mounting portion (5b) of the arm piece (5), and the protrusion (5b2) of the arm piece (5). The locking hole (8c1) of the washer nozzle (8) is locked to the screw.
[0004]
[Problems to be solved by the invention]
In the attachment structure of the washer nozzle in this type of wiper arm, it is an important matter that the washer nozzle can be easily assembled to the wiper arm, and that once installed, the washer nozzle is securely attached to the wiper arm.
[0005]
The present invention provides a washer nozzle mounting structure in a wiper arm in which a washer nozzle member can be easily assembled to a mounting plate portion of a wiper arm, and the washer nozzle member can be securely mounted to a mounting plate portion of a wiper arm once assembled. For the purpose.
[0006]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the invention according to claim 1 is directed to a mounting direction in which the mounting plate portion and the washer nozzle member are inserted into the mounting plate portion by the contact between the mounting plate portion and the washer nozzle member. The first restricting means for restricting the movement of the holding plate and the attachment plate portion and the washer nozzle member abut the movement in the direction in which the pinching attachment portion sandwiches the attachment plate portion and the direction in which the insertion direction intersects each other. When the movement in the insertion direction is restricted by the second restriction means for restriction and the first restriction means, the attachment plate portion and the washer nozzle member are engaged with each other, so that the removal in the direction opposite to the insertion direction is achieved. provided a retaining engagement means exit to prevent, respectively, abut against detachment preventing the mounting plate portion an inclined surface that slides upon inserting the pinching mounting portion with the plate portion preparative Respectively provided on the stopper engagement means omission of the engaging means and the washer nozzle member, the inclined surface of the stop engaging means missing provided to the mounting portion sandwiched elastic deformation portion is elastically deformed when abutting slide, and wherein the To do. In the invention according to claim 2, the first restricting means, the second restricting means, and the retaining means are guided to predetermined positions when the washer nozzle member is assembled to the attaching plate portion and the washer nozzle member. Each of the guides is provided with a guide.
[0007]
As a result, according to the first aspect of the present invention, when the washer nozzle member is assembled to the attachment plate portion of the wiper arm, when the sandwiching attachment portion is inserted into the attachment plate portion, the inclined surface of the retaining engagement means abuts and slides. The elastic deformation portion of the sandwiching attachment portion is elastically deformed. For this reason, the invention according to claim 1 can easily assemble the washer nozzle member to the mounting plate portion of the wiper arm.
[0008]
According to the first aspect of the present invention, once the washer nozzle member is assembled to the attachment plate portion of the wiper arm, the sandwiching attachment portion sandwiches the attachment plate portion, the first restricting means restricts the movement in the insertion direction, and the second restriction The means restricts the movement in the direction crossing the sandwiching direction and the insertion direction, and the retaining means prevents the removal in the direction opposite to the insertion direction. Thus, according to the first aspect of the invention, once assembled, the washer nozzle member is securely attached to the attachment plate portion of the wiper arm. In particular, in the invention according to claim 2, when the washer nozzle member is assembled to the mounting plate portion, the guide action of the guide of the mounting plate portion and the guide of the washer nozzle member causes the first restricting means, the second restricting means, and the disengagement. The stop means is guided to a predetermined position. Thus, in the invention according to claim 2, the washer nozzle member can be reliably assembled to the mounting plate portion.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an example of an embodiment of a washer nozzle mounting structure in a wiper arm according to the present invention will be described with reference to the accompanying drawings. In addition, this invention is not limited by this embodiment.
[0010]
(Description of configuration of embodiment)
In the figure, 1 is a wiper arm. The wiper arm 1 includes an arm head 2 and a retainer 3.
[0011]
One end of the arm head 2 is attached to the wiper shaft 4. One end of the retainer 3 is rotatably attached to the other end of the arm head 2 by a rivet 5 that intersects the wiper shaft 4. The wiper shaft 4 is attached to the wiper driving means via the power transmission means. As a result, the wiper arm 1 performs high-speed reciprocating rotation, low-speed reciprocating rotation, intermittent reciprocating rotation, and the like.
[0012]
A wiper blade is detachably attached to the other end of the retainer 3. The wiper blade wipes water droplets adhering to a wiping surface, for example, a front window glass surface of an automobile.
[0013]
In this example, the retainer 3 is formed by pressing a steel plate. The retainer 3 may be molded from resin. The retainer 3 has a U-shaped cross section. A mounting plate portion 6 is formed on one side plate of the retainer 3.
[0014]
As shown in FIG. 3, the mounting plate portion 6 is provided with three concave portions. An abutting surface 7 as a first restricting means is provided on the abutting surface of the central recess. Abutting surfaces 8 as second restricting means are provided on the left and right side surfaces of the left and right recesses, respectively. Further, divergent guide surfaces 24 are respectively provided on the outer surfaces of the left and right recesses.
[0015]
A convex piece 9 as a retaining engagement means is integrally provided on the mounting plate portion 6 so as to close the left opening of the central concave portion. An engaging surface 90 is provided on the vertical rear surface of the convex piece 9. An inclined surface 10 is provided on the outer surface of the convex piece 9. The inclined surface 10 forms an upward gradient with respect to the insertion direction A.
[0016]
In the figure, 11 is a washer nozzle member. The washer nozzle member 11 is formed of resin in this example. As shown in FIGS. 4 and 5, the washer nozzle member 11 has a main body portion 12 and L-shaped elastic leg portions 13, 13 integrally provided at both left and right end portions of the lower surface of the main body portion 12. . 4 (B), (C) and FIGS. 7 (A), (B), (C), the distal end portions of the elastic leg portions 13, 13 protrude outward from the main body portion 12. Yes. An inclined surface is provided on the surface of the elastic leg portions 13, 13 on the side facing the main body portion 12.
[0017]
The main body portion 12 and the two elastic leg portions 13 and 13 constitute a sandwiching attachment portion. Further, of the two elastic leg portions 13 and 13, the convex piece 9 as the retaining engagement means and the inclined surfaces 10 and 20 of the convex portion 19 abut and slide on the base portion with the main body portion 12. Elastically deforming portions 14 and 14 that are elastically deformed at the time are configured. Furthermore, contact surfaces 15 and 15 as second restricting means are provided on the left and right side surfaces of the base portion, respectively.
[0018]
Near the center of the lower surface of the main body 12, a front rear circular base 16 is integrally provided as viewed from the lower surface. A contact surface 17 serving as a first restricting means is provided on the rear surface of the semicircular portion of the base portion 16. A tube portion 18 for tube connection is integrally provided on the lower surface of the base portion 16.
[0019]
On the left side of the base portion 16 on the lower surface of the main body portion 12, a convex portion 19 is integrally provided as a retaining engagement means. An engagement surface 190 is provided on the vertical front surface of the convex portion 19. An inclined surface 20 is provided on the lower surface of the convex portion 19. The inclined surface 20 forms a downward gradient with respect to the insertion direction A.
[0020]
The main body portion 12 is provided with an injection port 21 for injecting four washer liquids and a supply path 22 for supplying the washer liquid. The four injection ports 21 and the supply path 22 are in communication with each other. The four injection ports 21 face the wiping surface. Further, the supply path 22 is opened in the pipe portion 18. One end of a tube 23 for supplying a washer fluid is fitted and fixed to the tube portion 18. The other end of the tube 23 is connected to a washer liquid supply device (not shown).
[0021]
(Description of the operation of the embodiment)
The attachment structure of the washer nozzle in this embodiment is configured as described above, and its operation will be described below.
[0022]
First, the sandwiching attachment portion (main body portion 12 and elastic leg portions 13 and 13) of the washer nozzle member 11 is inserted in the direction of arrow A into the attachment plate portion 6 of the wiper arm 1. Then, as shown in FIG. 9 (B), the convex piece 9 as the retaining engagement means of the wiper arm 1 and the washer nozzle member 11 and the inclined surfaces 10 and 20 of the convex portion 19 abut and slide. At this time, as shown in FIGS. 7B and 9B, the elastic deformation portions 14 and 14 of the washer nozzle member 11 are elastically deformed, and the main body portion 12 opens in the direction of arrow G.
[0023]
Further, the main body 12 and the elastic legs 13 and 13 are inserted into the mounting plate 6 in the direction of arrow A. Then, as shown in FIGS. 6B and 8B, the contact surface 17 of the first restricting means of the washer nozzle member 11 contacts the contact surface 7 of the first restricting means of the wiper arm 1. As a result, the movement in the insertion direction A in which the main body portion 12 and the elastic leg portions 13 and 13 are inserted into the mounting plate portion 6 is restricted by the contact of the contact surfaces 7 and 17 of the first restricting means.
[0024]
Further, when the contact surface 17 of the first restricting means comes into contact, as shown in FIGS. 6B and 9C, the elastically deformed portions 14 and 14 that have been elastically deformed return to their original states. Returns to elasticity. For this reason, the main body portion 12 in the open state is closed, and the engaging surface 90 of the convex piece 9 as the retaining engagement means of the wiper arm 1 is engaged with the engagement of the convex portion 19 as the retaining means of the washer nozzle member 11. The mating surface 190 abuts. As a result, it is possible to prevent the washer nozzle member 11 from coming off from the wiper arm 1 in the direction D opposite to the insertion direction A by the engagement of the engagement surfaces 90 and 190.
[0025]
Further, when the abutment surface 17 of the first restricting means abuts and the engaging surfaces 90 and 190 are engaged, as shown in FIG. 6B, the contact of the second restricting means of the wiper arm 1 is achieved. The contact surfaces 15 and 15 of the second restricting means of the washer nozzle member 11 are in contact with the contact surface 8. As a result, the main body 12 and the elastic legs 13, 13 sandwich the main body plate 6 by the contact of the contact surfaces 8, 15, 15 of the second restricting means, and the main body on the mounting plate 6. 12 and the insertion direction A into which the elastic leg portions 13 and 13 are inserted, and the movement in the intersecting direction (direct direction) F are restricted.
[0026]
Furthermore, the contact surfaces 7 and 17 of the first restricting means come into contact, the convex piece 9 as the retaining engagement means, and the engagement surfaces 90 and 190 of the convex portion 19 are engaged, and the second When the contact surfaces 8, 15, 15 of the regulating means are in contact, as shown in FIG. 7C, the lower surface of the main body 12 and the upper surfaces of the elastic legs 13, 13 are mounted on the upper and lower surfaces of the mounting plate 6. And elastically contact each other. That is, the sandwiching mounting portion is sandwiched between the mounting plate portions 6. As a result, the washer nozzle member 11 can be prevented from rattling in the direction E opposite to the sandwiching direction with respect to the wiper arm 1.
[0027]
(Explanation of effect of embodiment)
Thus, since the attachment structure of the washer nozzle in this embodiment is configured as described above, the following effects can be achieved.
[0028]
That is, the attachment structure of the washer nozzle in this embodiment is such that when the washer nozzle member 11 is assembled to the attachment plate portion 6 of the wiper arm 1, it is sandwiched between the attachment plate portion 6 (the main body portion 12 and the elastic leg portions 13, 13). ), The projecting piece 9 as the retaining engagement means and the inclined surfaces 10 and 20 of the projecting portion 19 abut and slide, and the elastic deforming portions 14 and 14 of the elastic leg portions 13 and 13 are elastically deformed. For this reason, the washer nozzle attachment structure in this embodiment allows the washer nozzle member 11 to be easily assembled to the attachment plate portion 6 of the wiper arm 1.
[0029]
Further, the attachment structure of the washer nozzle in this embodiment is such that once the washer nozzle member 11 is assembled to the attachment plate portion 6 of the wiper arm 1, the main body portion 12 and the elastic leg portions 13 and 13 sandwich the attachment plate portion 6, The contact surfaces 7, 17 of the first restricting means restrict movement in the insertion direction A, and the contact surfaces 8, 15, 15 of the second restricting means move in the direction F that intersects the sandwiching direction and the insertion direction A, respectively. The engaging pieces 90 and 190 of the convex piece 9 and the convex portion 19 as the retaining engagement means are restrained and prevented from coming off in the direction D opposite to the insertion direction A. As a result, the washer nozzle attachment structure in this embodiment is securely attached to the attachment plate portion 6 of the wiper arm 1 once assembled.
[0030]
In particular, the washer nozzle mounting structure in this embodiment is such that when the washer nozzle member 11 is assembled to the mounting plate portion 6 of the wiper arm 1, the elastic leg portion 13 of the washer nozzle member 11 as shown in FIG. , 13 outer surface of the base portion (left and right side surfaces of the base portion of the elastic leg portions 13, 13, that is, the outer contact surfaces 15, 15 of the contact surfaces 15, 15 as the second restricting means) Is guided by the guide surface 24 of the wiper arm 1. 7A, 7B, and 7C, the tip of the mounting plate portion 6 is guided by the inclined surface of the tip portion of the elastic leg portions 13 and 13. As shown in FIG. For this reason, the first restricting means, the second restricting means, and the retaining engagement means are guided to the predetermined positions and act reliably at the predetermined positions. As a result, the washer nozzle mounting structure in this embodiment allows the washer nozzle member 11 to be securely assembled to the mounting plate portion 6 of the wiper arm 1.
[0031]
【The invention's effect】
As is apparent from the above, the washer nozzle mounting structure in the wiper arm according to the present invention is configured such that when the washer nozzle member is assembled to the mounting plate portion of the wiper arm, when the sandwiching mounting portion is inserted into the mounting plate portion, the retaining engagement means The slanted surface of the slidable contact portion slides and the elastic deformation portion of the sandwiching attachment portion is elastically deformed. For this reason, the washer nozzle mounting structure in the wiper arm according to the present invention allows the washer nozzle member to be easily assembled to the mounting plate portion of the wiper arm.
[0032]
In the wiper arm mounting structure according to the present invention, once the washer nozzle member is assembled to the wiper arm mounting plate portion, the sandwiching mounting portion sandwiches the mounting plate portion, and the first regulating means regulates the movement in the insertion direction. The second restricting means restricts the movement in the direction intersecting with the sandwiching direction and the inserting direction, and the retaining means prevents the slipping in the direction opposite to the inserting direction. Thus, in the wiper arm mounting structure for the wiper arm according to the present invention, the washer nozzle member is securely mounted to the mounting plate portion of the wiper arm once assembled. In particular, the structure for attaching the washer nozzle in the wiper arm according to the present invention is such that when the washer nozzle member is assembled to the attachment plate portion, the first restricting means and the first restriction member are caused by the guide action of the guide of the attachment plate portion and the guide of the washer nozzle member. 2 The restricting means and the retaining means are guided to predetermined positions. As a result, the washer nozzle mounting structure in the wiper arm according to the present invention can reliably assemble the washer nozzle member to the mounting plate portion.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an embodiment of a washer nozzle mounting structure in a wiper arm of the present invention.
2 is a view taken along the line II-II in FIG.
FIG. 3A is a partial bottom view showing a wiper arm before a washer nozzle member is attached, and FIG. 3B is a view taken in the direction of arrow B in FIG.
4A is a bottom view showing a washer nozzle member, FIG. 4B is a view taken in the direction of arrow B in FIG. 4A, and FIG. 4C is a view taken in the direction of arrow C in FIG.
5A is a cross-sectional view corresponding to FIG. 4A, FIG. 5B is a cross-sectional view corresponding to FIG. 4B, and FIG. 5C is a cross-sectional view corresponding to FIG. .
6A is a partial bottom view showing a state before a washer nozzle member is attached to a wiper arm, and FIG. 6B is a partial bottom view showing a state after a washer nozzle member is attached to a wiper arm.
7A is a cross-sectional view taken along the line VII-VII in FIG. 6B showing a state before the washer nozzle member is attached to the wiper arm, and FIG. 6B is a view showing the way of attaching the washer nozzle member to the wiper arm. FIG. 6C is a cross-sectional view taken along the line VII-VII in FIG. 6C, and FIG. 6C is a cross-sectional view taken along the line VII-VII in FIG.
8A is a cross-sectional view taken along the line VIII-VIII in FIG. 6B showing the state before the washer nozzle member is attached to the wiper arm, and FIG. 8B is a view after the washer nozzle member is attached to the wiper arm. VIII-VIII line sectional view in FIG.
9A is a cross-sectional view taken along the line IX-IX in FIG. 6B showing a state before the washer nozzle member is attached to the wiper arm, and FIG. FIG. 6C is a cross-sectional view taken along line IX-IX in FIG. 6C, and is a cross-sectional view taken along line IX-IX in FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Wiper arm 2 Arm head 3 Retainer 4 Wiper shaft 5 Rivet 6 Mounting plate part 7 Contact surface (1st control means)
8 Contact surface (second regulating means)
9 Convex piece (locking engagement means)
90 Engagement surface 10 Inclined surface 11 Washer nozzle member 12 Body portion (Pinch attachment portion)
13, 13 Elastic leg (pinching attachment)
14, 14 Elastic deformation part 15, 15 Contact surface (second restricting means)
16 Stand 17 Contact surface (first regulating means)
18 Pipe part 19 Convex part (detachment engagement means)
190 Engagement surface 20 Inclined surface 21 Injection port 22 Supply path 23 Tube etc. 24 Guide surface A Insertion direction D Direction opposite to insertion direction A E Direction opposite to pinching direction F Direction intersecting with pinching direction and insertion direction A G Main body 12 opening direction

Claims (2)

ワイパアームの取付板部にウオッシャノズル部材の挟み込み取付部を挟み込んで、ワイパアームにウオッシャノズルを取り付けるワイパアームにおいて、
前記取付板部および前記ウオッシャノズル部材には、
前記取付板部と前記ウオッシャノズル部材との当接により、前記取付板部に前記挟み込み取付部を差し込む差し込み方向の動きを規制する第1規制手段と、
前記取付板部と前記ウオッシャノズル部材との当接により、前記挟み込み取付部が前記取付板部を挟み込む挟み込み方向、および、前記差し込み方向と、それぞれ交差する方向の動きを規制する第2規制手段と、
前記第1規制手段により前記差し込み方向の動きが規制された際に、前記取付板部と前記ウオッシャノズル部材とが相互に係合することにより、前記差し込み方向と反対方向の抜けを防止する抜け止め係合手段と、
がそれぞれ設けられており、
前記取付板部の前記抜け止め係合手段と前記ウオッシャノズル部材の前記抜け止め係合手段とには、前記取付板部に前記挟み込み取付部を差し込む際に、当接してスライドする傾斜面がそれぞれ設けられており、
前記挟み込み取付部には、前記抜け止め係合手段の傾斜面が当接スライドする際に弾性変形する弾性変形部が設けられている、
ことを特徴とするワイパアームにおけるウオッシャノズルの取付構造。
In the wiper arm that attaches the washer nozzle member to the wiper arm by sandwiching the washer nozzle member into the attachment plate portion of the wiper arm,
In the mounting plate portion and the washer nozzle member,
A first restricting means for restricting a movement in an insertion direction in which the sandwiching attachment portion is inserted into the attachment plate portion by contact between the attachment plate portion and the washer nozzle member;
A second restricting means for restricting movement in a direction in which the sandwiching attachment portion sandwiches the attachment plate portion and a direction in which the insertion direction intersects with the attachment plate portion and the washer nozzle member; ,
When the movement in the insertion direction is restricted by the first restricting means, the attachment plate portion and the washer nozzle member are engaged with each other, thereby preventing the removal in the direction opposite to the insertion direction. Engagement means;
Are provided,
The retaining plate engaging means of the mounting plate part and the retaining member engaging means of the washer nozzle member each have an inclined surface that comes into contact with and slides when the sandwiched mounting part is inserted into the mounting plate part. Provided,
The sandwiching mounting portion is provided with an elastic deformation portion that elastically deforms when the inclined surface of the retaining engagement means abuts and slides.
A structure for mounting a washer nozzle in a wiper arm.
前記取付板部と前記ウオッシャノズル部材とには、前記取付板部に前記ウオッシャノズル部材を組み付ける際に前記第1規制手段および前記第2規制手段および前記抜け止め手段が所定の位置にガイドされるためのガイドが、それぞれ設けられている、ことを特徴とする請求項1に記載のワイパアームにおけるウオッシャノズルの取付構造。When the washer nozzle member is assembled to the mounting plate portion, the first restricting means, the second restricting means, and the retaining means are guided to predetermined positions on the mounting plate portion and the washer nozzle member. The structure for mounting a washer nozzle in a wiper arm according to claim 1, wherein a guide for each is provided.
JP2001182468A 2001-06-15 2001-06-15 Washer nozzle mounting structure on wiper arm Expired - Fee Related JP4045758B2 (en)

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US9937899B2 (en) 2013-10-28 2018-04-10 Asmo Co., Ltd. Wiper arm and vehicle wiper apparatus equipped therewith
FR3015402B1 (en) * 2013-12-20 2016-01-22 Valeo Systemes Dessuyage WIPER SYSTEM OF A VEHICLE GLASS
DE102014205538A1 (en) * 2014-03-25 2015-10-01 Robert Bosch Gmbh Wischarmvorrichtung
DE112015002380T5 (en) * 2014-05-19 2017-02-16 Asmo Co., Ltd. Washing nozzle, wiper arm with nozzle, and vehicle wiper device
EP3002166B1 (en) * 2014-10-02 2020-07-15 Valeo Systèmes d'Essuyage Windscreen wiper arm with a nozzle
EP3053790A1 (en) * 2015-02-05 2016-08-10 Valeo Systèmes d'Essuyage Nozzle for a vehicle window wiper
DE102015110987A1 (en) * 2015-07-07 2017-01-12 Valeo Systèmes d'Essuyage Cleaning device for a wiper arm of a windshield wiper system, wiper arm and windshield wiper system
DE102016100812A1 (en) * 2016-01-19 2017-07-20 Valeo Systèmes d'Essuyage Wiper device for cleaning a vehicle window and spray device
US11254290B2 (en) * 2016-05-18 2022-02-22 Denso Corporation Vehicle wiper device
JP6500946B2 (en) * 2017-08-03 2019-04-17 株式会社デンソー Wiper arm and vehicle wiper device provided with the same

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