JP3998058B2 - Rubber bush mounting method and rubber bush mounting jig used for the mounting method - Google Patents

Rubber bush mounting method and rubber bush mounting jig used for the mounting method Download PDF

Info

Publication number
JP3998058B2
JP3998058B2 JP2002127572A JP2002127572A JP3998058B2 JP 3998058 B2 JP3998058 B2 JP 3998058B2 JP 2002127572 A JP2002127572 A JP 2002127572A JP 2002127572 A JP2002127572 A JP 2002127572A JP 3998058 B2 JP3998058 B2 JP 3998058B2
Authority
JP
Japan
Prior art keywords
rubber bush
mounting hole
pair
holding claws
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 - Lifetime
Application number
JP2002127572A
Other languages
Japanese (ja)
Other versions
JP2003322208A (en
Inventor
健男 深栖
哲夫 福澤
Original Assignee
自動車電機工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 自動車電機工業株式会社 filed Critical 自動車電機工業株式会社
Priority to JP2002127572A priority Critical patent/JP3998058B2/en
Publication of JP2003322208A publication Critical patent/JP2003322208A/en
Application granted granted Critical
Publication of JP3998058B2 publication Critical patent/JP3998058B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Vibration Prevention Devices (AREA)

Description

【０００１】
【発明の属する技術分野】
本発明は、例えば、ワイパモータの取付ブラケットやギヤケース等に形成した取付孔に衝撃や振動を吸収する防振マウント用のラバーブッシュ（ゴムブッシュ）を圧入により取り付けるラバーブッシュの取付方法及び該取付方法に用いるラバーブッシュ取付治具に関する。
【０００２】
【従来の技術】
従来、ワイパモータの取付ブラケットやギヤケース等には衝撃や振動を吸収する防振マウント用のラバーブッシュが取り付けられている。このラバーブッシュは全てゴム製で大径上，下部間に小径中央部を有した略円筒状に形成してあり、その小径中央部を上記取付ブラケットやギヤケース等に形成されたＣ字状の切欠部や楕円形の取付孔に嵌め込むことにより、その大径上，下部間で抜け止めされて取り付けられていた。
【０００３】
【発明が解決しようとする課題】
しかしながら、前記従来のラバーブッシュの取付方法では、手作業によりラバーブッシュの小径中央部をＣ字状の切欠部にピン等を介して押し付けて取り付けたり、或いは、手作業によりラバーブッシュの大径下部を押し潰して楕円形又は円形の取付孔に圧入していたため、ラバーブッシュの取付作業に熟練を要し、ラバーブッシュを短時間でかつ確実に取り付けることが難しかった。
【０００４】
そこで、本発明は、前記した課題を解決すべくなされたものであり、被取付体の円形の取付孔にラバーブッシュを容易かつ確実に取り付けることができるラバーブッシュの取付方法及び該取付方法に用いるラバーブッシュ取付治具を提供することを目的とする。
【０００５】
【課題を解決するための手段】
請求項１の発明は、被取付体に形成された取付孔内に、ラバーブッシュの上，下部よりも小径の小径中央部を嵌め込んで該ラバーブッシュの大径上，下部間で抜け止めするようにして、前記被取付体の取付孔に前記ラバーブッシュを取り付けるラバーブッシュの取付方法であって、前記被取付体の取付孔にアクチュエータを駆動して一対の保持爪を下方より挿通させてＶ字状に開かせ、次に、このＶ字状に開いた一対の保持爪の円弧筒状で斜めの各先端部間で前記ラバーブッシュの大径下部を斜めに傾斜した状態で保持し、次に、前記アクチュエータの駆動により前記一対の保持爪を前記取付孔を介して下方へ移動させながら徐々に閉じて行き、この徐々に閉じて行く過程で前記ラバーブッシュの大径下部を前記一対の保持爪の各先端部間で潰すように変形させながら前記取付孔内に引き込み、この潰されて変形したラバーブッシュの大径下部を前記取付孔に挿通させて該取付孔に前記ラバーブッシュの小径中央部を嵌め込むと共に、該ラバーブッシュの大径上部を前記被取付体の取付孔の周りの上面に係止させ、次に、前記アクチュエータの駆動により前記一対の保持爪を更に下方に移動させて該一対の保持爪の各先端部を前記取付孔から離すことにより前記ラバーブッシュの大径下部の保持状態を開放して、前記被取付体の取付孔に前記ラバーブッシュを自動的に取り付けることを特徴とする。
【０００６】
このラバーブッシュの取付方法では、アクチュエータの駆動により、一対の保持爪の各先端部間にラバーブッシュの大径下部を斜めに傾斜した状態でセットして保持するだけの簡単な作業により、被取付体の取付孔にラバーブッシュが自動的に取り付けられ、取付時間が大幅に短縮される。
【０００７】
請求項２の発明は、被取付体に形成された円形の取付孔内に、ラバーブッシュの上，下部よりも小径の小径中央部を嵌め込んで該ラバーブッシュの大径上，下部間で抜け止め自在にして、前記被取付体の取付孔に前記ラバーブッシュを取り付けるようにしたラバーブッシュ取付治具であって、前記被取付体の取付孔内に、円弧筒状で斜めの各先端部間で前記ラバーブッシュの大径下部を楕円形に潰すように変形させながら引き込むことにより前記取付孔に前記ラバーブッシュの小径中央部を嵌め込むと共に、該ラバーブッシュの大径上部を前記被取付体の取付孔の周りの上面に係止させる一対の保持爪と、この一対の保持爪を常にＶ字状に開くように付勢する付勢手段と、前記取付孔に前記一対の保持爪の各先端部を案内すると共に、該一対の保持爪の各先端部間の開く角度を規制するガイドと、前記一対の保持爪の各先端部の先端に、前記ラバーブッシュの大径下部を係止するフックと、前記一対の保持爪を前記取付孔に挿通させたり、該取付孔から離すように移動させるアクチュエータとを備え、前記被取付体の取付孔に前記ラバーブッシュを自動的に取り付けたことを特徴とする。
【０００８】
このラバーブッシュ取付治具では、被取付体の円形の取付孔に対してアクチュエータの駆動で挿通、離反するように移動する一対の保持爪により該被取付体の円形の取付孔にラバーブッシュが自動的に取り付けられるとともに、簡単かつ確実に取り付けられる。また、一対の保持爪の各先端部の先端に設けられたフックによりラバーブッシュの大径下部が係止され、ラバーブッシュの大径下部が被取付体の円形の取付孔に確実に引き込まれて取付不良の発生が防止される。
【００１１】
【発明の実施の形態】
以下、本発明の一実施形態を図面に基づいて説明する。
【００１２】
図１は本発明の一実施形態のラバーブッシュ取付治具を一部断面で示す正面図、図２は同ラバーブッシュ取付治具を一部断面で示す側面図、図３は同ラバーブッシュ取付治具の一対の保持爪によりラバーブッシュを保持した状態を示す説明図、図４は同一対の保持爪により円形の取付孔にラバーブッシュを取り付ける直前の状態を示す説明図、図５は同一対の保持爪により円形の取付孔にラバーブッシュを取り付けた状態を示す説明図である。
【００１３】
図１，図２に示すように、ラバーブッシュ取付治具１０は、アクチュエータとしてのエアシリンダ１１と、このエアシリンダ１１に固定されたシリンダ取付プレート１３と、このシリンダ取付プレート１３の両側に直角に起立された一対のリニアシャフト１４，１４と、この一対のリニアシャフト１４，１４の上端に固定されたベースプレート１５と、このベースプレート１５の下面中央に固定されたガイド１６と、上記一対のリニアシャフト１４，１４に各リニアブッシュ１７を介して摺動自在に支持されたスライドプレート１８と、このスライドプレート１８の上面中央に起立した一対のステー１９，１９間に支軸２０を介して基端２１ａが支持され、各先端部２１ｂ，２１ｂ側が開閉する一対の保持爪２１，２１と、この一対の保持爪２１，２１の各基部間に介在され、該一対の保持爪２１，２１の各先端部２１ｂ，２１ｂ間を常にＶ字状に開くように付勢する付勢手段としての圧縮コイルバネ２２とを備えていて、ワイパモータの取付ブラケット（被取付体）１に形成された円形の取付孔２にラバーブッシュ（ゴムブッシュ）３を取り付けるものである。
【００１４】
このラバーブッシュ３はワイパモータの取付ブラケット１に取り付けられて衝撃や振動を吸収する防振マウント用であり、その全てがゴム製で大径上，下部３ａ，３ｃ間に小径中央部３ｂを有した略円筒状に形成してある。そして、このラバーブッシュ３の小径中央部３ｂを取付ブラケット１の円形の取付孔２内に嵌め込まれることにより、その大径上，下部３ａ，３ｃ間で抜け止めされて取り付けられるようになっている。
【００１５】
図１，図２に示すように、エアシリンダ１１は一対の保持爪２１，２１を取付ブラケット１の円形の取付孔２に挿通させたり、該取付孔２から離すように移動させるものであり、そのピストンロッド１１ａの先端部はフローティングジョイント１２等を介してスライドプレート１８の中央に固定してある。そして、エアシリンダ１１のピストンロッド１１ａの進退動によりスライドプレート１８は一対のリニアシャフト１４，１４に沿って上下方向に所定ストローク摺動するようになっている。
【００１６】
また、図１〜図５に示すように、ベースプレート１５の中央には、取付ブラケット１の円形の取付孔２より一回り大きい円形の挿通孔１５ａを形成してある。さらに、ベースプレート１５の下面に固定されたガイド１６の中央には、取付孔２に一対の保持爪２１，２１の各先端部２１ｂを案内すると共に、該一対の保持爪２１，２１の各先端部２１ｂ間の開く角度を規制する円錐面状の規制孔１６ａを形成してある。
【００１７】
図１〜図５に示すように、一対の保持爪２１，２１の各先端部２１ｂは円弧筒状の斜めに形成されて向き合っており、この円弧筒状で斜めの各先端部２１ｂ，２１ｂ間で取付ブラケット１の円形の取付孔２内にラバーブッシュ３の大径下部３ｃを楕円形に潰すように変形させながら引き込むことで該取付孔２にラバーブッシュ３の小径中央部３ｂを嵌め込むと同時に、該ラバーブッシュ３の大径上部３ａを取付ブラケット１の取付孔２の周りの上面１ａに係止させるようになっている。また、一対の保持爪２１，２１の各先端部２１ｂの先端には、ラバーブッシュ３の大径下部３ｃの外周面を係止する側面鉤形のフック２１ｃをそれぞれ一体突出形成してある。
【００１８】
以上実施形態のラバーブッシュ取付治具１０によれば、図３に示すように、ワイパモータの取付ブラケット１の円形の取付孔２に一対の保持爪２１，２１をエアシリンダ１１を駆動して下方より挿通させてＶ字状に開かせ、このＶ字状に開いた一対の保持爪２１，２１の円弧筒状で斜めの各先端部２１ｂ，２１ｂ間でラバーブッシュ３の大径下部３ｃを斜めに傾斜した状態でセットさせて保持する。
【００１９】
次に、図４に示すように、エアシリンダ１１の駆動により一対の保持爪２１，２１を円形の取付孔２を介して下方へ移動させながら徐々に閉じて行き、この徐々に閉じて行く過程でラバーブッシュ３の大径下部３ｃを一対の保持爪２１，２１の各先端部２１ｂ，２１ｂ間で楕円形に潰すように変形させながらフック２１ｃにより取付孔２内に引き込む。
【００２０】
そして、この楕円形に潰されて変形したラバーブッシュ３の大径下部３ｃを取付孔２に挿通させて該取付孔２にラバーブッシュ３の小径中央部３ｂを嵌め込むと同時に、該ラバーブッシュ３の大径上部３ａを取付ブラケット１の取付孔２の周りの上面１ａに係止させ、図５に示すように、一対の保持爪２１，２１をエアシリンダ１１の駆動により更に下方に移動させて該一対の保持爪２１，２１の各先端部２１ｂ，２１ｂを取付孔２から離して開くことによりラバーブッシュ３の大径下部３ｃの保持状態を開放して、取付ブラケット１の取付孔２にラバーブッシュ３を自動的に取り付ける。このラバーブッシュ３の取付完了時に、該ラバーブッシュ３の大径上，下部３ａ，３ｃ間で取付ブラケット１の取付孔２の周りの上，下面１ａ，１ｂを挟むようにして係止するため、ラバーブッシュ３が取付ブラケット１から外れることはない。
【００２１】
このように、一対の保持爪２１，２１の各先端部２１ｂ，２１ｂ間にラバーブッシュ３の大径下部３ｃを斜めに傾斜した状態でセットして保持するだけの簡単な作業により、取付ブラケット１の円形の取付孔２にラバーブッシュ３をスムーズに短時間で自動的に取り付けることができる。即ち、取付ブラケット１の円形の取付孔２に対してエアシリンダ１１の駆動により挿通、離反するように移動する一対の保持爪２１，２１により、該取付ブラケット１の円形の取付孔２にラバーブッシュ３を自動的に取り付けることができるとともに、簡単かつ確実に取り付けることができる。
【００２２】
また、一対の保持爪２１，２１の各先端部２１ｂ，２１ｂ間でラバーブッシュ３の大径下部３ｃを楕円形に潰して取付ブラケット１の円形の取付孔２に挿通させる際に、一対の保持爪２１，２１の各先端部２１ｂ，２１ｂの先端に一体突出形成された鉤形のフック２１ｃによりラバーブッシュ３の大径下部３ｃの外周面を確実に係止することができる。これにより、この各先端部２１ｂ，２１ｂのフック２１ｃによりラバーブッシュ３の大径下部３ｃを取付ブラケット１の円形の取付孔２に確実に引き込むことができ、取付不良の発生を確実に防止することができる。
【００２３】
尚、前記実施形態によれば、ワイパモータの取付ブラケットに形成された円形の取付孔にラバーブッシュを取り付ける場合について説明したが、被取付体はワイパモータの取付ブラケットに限られるものではなく、ワイパモータのギヤケースやワイパドライブシステムのピボットホルダー等でも良いことは勿論である。
【００２４】
【発明の効果】
以上説明したように、請求項１の発明に係るラバーブッシュの取付方法によれば、アクチュエータの駆動により、一対の保持爪の各先端部間にラバーブッシュの大径下部を斜めに傾斜した状態でセットして保持するだけの簡単な作業により、被取付体の取付孔にラバーブッシュを自動的に且つスムーズに短時間で取り付けることができる。
【００２５】
請求項２の発明に係るラバーブッシュ取付治具によれば、被取付体の円形の取付孔に対してアクチュエータの駆動で挿通、離反するように移動する一対の保持爪により該被取付体の円形の取付孔にラバーブッシュを自動的に取り付けることができるとともに、簡単かつ確実に取り付けることができる。また、取付孔を円形にすることができるため、小型のラバーブッシュを用いることができると共に、該小型のラバーブッシュを取り付けた防振マウント部分の剛性を向上させることができる。さらに、一対の保持爪の各先端部の先端に設けられたフックによりラバーブッシュの大径下部を係止することができるので、このフックによりラバーブッシュの大径下部を被取付体の円形の取付孔に確実に引き込むことができ、取付不良の発生を確実に防止することができる。
【図面の簡単な説明】
【図１】本発明の一実施形態のラバーブッシュ取付治具を一部断面で示す正面図である。
【図２】上記ラバーブッシュ取付治具を一部断面で示す側面図である。
【図３】上記ラバーブッシュ取付治具の一対の保持爪によりラバーブッシュを保持した状態を示す説明図である。
【図４】上記一対の保持爪により円形の取付孔にラバーブッシュを取り付ける直前の状態を示す説明図である。
【図５】上記一対の保持爪により円形の取付孔にラバーブッシュを取り付けた状態を示す説明図である。
【符号の説明】
１ ワイパモータの取付ブラケット（被取付体）
１ａ 上面
２ 円形の取付孔
３ ラバーブッシュ
３ａ 大径上部
３ｂ 小径中央部
３ｃ 大径下部
１０ ラバーブッシュ取付治具
１１ エアシリンダ（アクチュエータ）
１６ ガイド
２１，２１ 一対の保持爪
２１ｂ 先端部
２１ｃ フック
２２ 圧縮コイルバネ（付勢手段）[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a rubber bush mounting method and a mounting method for mounting a rubber bush (rubber bush) for vibration-proof mounting that absorbs shock and vibration into a mounting hole formed in a mounting bracket or a gear case of a wiper motor, for example. The present invention relates to a rubber bush mounting jig to be used.
[0002]
[Prior art]
Conventionally, a rubber bush for an anti-vibration mount that absorbs shock and vibration is attached to a mounting bracket or a gear case of a wiper motor. This rubber bush is made of rubber and is formed in a substantially cylindrical shape with a large-diameter upper portion and a small-diameter central portion between the lower portions. The small-diameter central portion is a C-shaped notch formed in the mounting bracket, gear case, etc. By fitting into the mounting part and the elliptical mounting hole, the large diameter and the lower part are attached so as not to come off.
[0003]
[Problems to be solved by the invention]
However, in the conventional rubber bush mounting method, the rubber bush is manually attached by pressing the small-diameter central portion of the rubber bush against the C-shaped notch through a pin or the like, or by hand, the lower portion of the rubber bush Since the rubber bush was crushed and press-fitted into the elliptical or circular mounting hole, it was difficult to mount the rubber bush in a short time and with certain skill in mounting the rubber bush.
[0004]
Accordingly, the present invention has been made to solve the above-described problems, and is used for a rubber bush mounting method and a mounting method for easily and reliably mounting a rubber bush in a circular mounting hole of a mounted body. An object of the present invention is to provide a rubber bush mounting jig.
[0005]
[Means for Solving the Problems]
In the first aspect of the present invention, a small-diameter central portion having a smaller diameter than the upper and lower portions of the rubber bush is fitted into a mounting hole formed in the mounted body, and is prevented from coming off between the upper and lower portions of the rubber bush. Thus, a rubber bush mounting method for mounting the rubber bush in the mounting hole of the mounted body, wherein an actuator is driven into the mounting hole of the mounted body and a pair of holding claws are inserted from below to form V. Next, the large-diameter lower part of the rubber bush is held in an inclined state between the inclined tip ends of the pair of holding claws opened in a V shape. In addition, the pair of holding claws are gradually closed while being moved downward through the mounting hole by driving the actuator, and the large-diameter lower portion of the rubber bush is held in the pair of the holding portions in the process of gradually closing. Between the tips of the nails The rubber bush is pulled into the mounting hole while being deformed, the large-diameter lower portion of the crushed and deformed rubber bush is inserted into the mounting hole, and the small-diameter central portion of the rubber bush is fitted into the mounting hole. The large-diameter upper portion of the rubber bush is locked to the upper surface around the mounting hole of the mounted body, and then the pair of holding claws are further moved downward by driving the actuator, and each of the pair of holding claws The rubber bush is automatically attached to the attachment hole of the attached body by releasing the tip end portion from the attachment hole to release the holding state of the large-diameter lower portion of the rubber bush.
[0006]
In this rubber bushing mounting method, the actuator is driven by a simple operation in which the large-diameter lower portion of the rubber bushing is tilted and held between the tip ends of a pair of holding claws. Rubber bushes are automatically attached to the body mounting holes, greatly reducing the mounting time.
[0007]
According to the second aspect of the present invention, a small-diameter central portion having a smaller diameter than the upper and lower portions of the rubber bush is fitted into a circular mounting hole formed in the attached body, and the rubber bush is pulled out between the upper and lower portions. A rubber bush mounting jig that can be fixed freely and is configured to mount the rubber bush in the mounting hole of the mounted body. Then, the rubber bush is fitted into the mounting hole with the small-diameter central portion of the rubber bush by pulling it in such a way that the lower-diameter portion of the rubber bush is deformed so as to be crushed into an oval shape. A pair of holding claws to be engaged with the upper surface around the mounting hole; biasing means for biasing the pair of holding claws so as to always open in a V-shape; and tips of the pair of holding claws in the mounting hole And guiding the pair Wherein a guide for restricting the opening angle of between tip portion of the holding claws, the tips of the distal end portion of the pair of holding claws, and a hook for engaging a large径下portion of the rubber bushing, the pair of holding claws An actuator that is inserted into the attachment hole or moved away from the attachment hole, and the rubber bush is automatically attached to the attachment hole of the attached body .
[0008]
In this rubber bush mounting jig, the rubber bushing is automatically inserted into the circular mounting hole of the mounted body by a pair of holding claws that move so as to be separated from the circular mounting hole of the mounted body by driving the actuator. And can be easily and securely attached. In addition, the large-diameter lower portion of the rubber bush is locked by the hooks provided at the distal ends of the pair of holding claws, and the large-diameter lower portion of the rubber bush is securely pulled into the circular mounting hole of the mounted body. Occurrence of poor mounting is prevented.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
[0012]
FIG. 1 is a front view showing a rubber bush mounting jig according to an embodiment of the present invention in partial cross section, FIG. 2 is a side view showing the rubber bush mounting jig in partial cross section, and FIG. 3 is a rubber bush mounting jig. FIG. 4 is an explanatory view showing a state in which the rubber bush is held by a pair of holding claws of the tool, FIG. 4 is an explanatory view showing a state immediately before the rubber bush is attached to the circular mounting hole by the same pair of holding claws, and FIG. It is explanatory drawing which shows the state which attached the rubber bush to the circular attachment hole with the holding claw.
[0013]
As shown in FIGS. 1 and 2, the rubber bush mounting jig 10 includes an air cylinder 11 as an actuator, a cylinder mounting plate 13 fixed to the air cylinder 11, and perpendicular to both sides of the cylinder mounting plate 13. A pair of standing linear shafts 14, 14, a base plate 15 fixed to the upper ends of the pair of linear shafts 14, a guide 16 fixed to the center of the bottom surface of the base plate 15, and the pair of linear shafts 14 , 14 and a slide plate 18 slidably supported via linear bushes 17, and a base end 21 a between a pair of stays 19, 19 erected at the center of the upper surface of the slide plate 18 via a support shaft 20. A pair of holding claws 21, 21 that are supported and opened and closed on the respective end portions 21 b, 21 b side, and the pair of holding claws And a compression coil spring 22 as an urging means that is interposed between the base portions of the first and second holding claws 21 and 21 so as to constantly open the tip portions 21b and 21b of the pair of holding claws 21 and 21 in a V shape. The rubber bush (rubber bush) 3 is attached to the circular attachment hole 2 formed in the attachment bracket (attached body) 1 of the wiper motor.
[0014]
This rubber bush 3 is attached to the mounting bracket 1 of the wiper motor and is used for an anti-vibration mount that absorbs shock and vibration, all of which is made of rubber and has a large diameter upper portion and a small diameter central portion 3b between the lower portions 3a and 3c. It is formed in a substantially cylindrical shape. Then, by fitting the small-diameter central portion 3b of the rubber bush 3 into the circular mounting hole 2 of the mounting bracket 1, the large-diameter upper portion and the lower portions 3a and 3c are prevented from being detached and attached. .
[0015]
As shown in FIG. 1 and FIG. 2, the air cylinder 11 moves a pair of holding claws 21 and 21 through the circular mounting hole 2 of the mounting bracket 1 or moves away from the mounting hole 2. the distal end of the piston rod 11a is is fixed to the center of the slide plate 18 via the floating jaw Lee cement 12 or the like. As the piston rod 11a of the air cylinder 11 moves forward and backward, the slide plate 18 slides along the pair of linear shafts 14 and 14 for a predetermined stroke in the vertical direction.
[0016]
As shown in FIGS. 1 to 5, a circular insertion hole 15 a that is slightly larger than the circular mounting hole 2 of the mounting bracket 1 is formed in the center of the base plate 15. Further, at the center of the guide 16 fixed to the lower surface of the base plate 15, the tip portions 21 b of the pair of holding claws 21, 21 are guided to the mounting hole 2, and the tip portions of the pair of holding claws 21, 21 are guided. A conical surface-shaped restricting hole 16a for restricting the opening angle between 21b is formed.
[0017]
As shown in FIGS. 1-5, each front-end | tip part 21b of a pair of holding nail | claws 21 and 21 is formed diagonally with the circular arc cylinder shape, and is facing between each diagonal front-end | tip parts 21b and 21b with this circular arc cylinder shape. When the large-diameter lower portion 3c of the rubber bush 3 is deformed so as to be crushed into an elliptical shape in the circular mounting hole 2 of the mounting bracket 1, the small-diameter central portion 3b of the rubber bush 3 is fitted into the mounting hole 2. At the same time, the large-diameter upper portion 3 a of the rubber bush 3 is locked to the upper surface 1 a around the mounting hole 2 of the mounting bracket 1. In addition, side hooks 21c that lock the outer peripheral surface of the large-diameter lower portion 3c of the rubber bush 3 are integrally formed at the tips of the tip portions 21b of the pair of holding claws 21 and 21, respectively.
[0018]
According to the rubber bush mounting jig 10 of the above embodiment, as shown in FIG. 3, the pair of holding claws 21 and 21 are driven into the circular mounting hole 2 of the mounting bracket 1 of the wiper motor from the lower side by driving the air cylinder 11. The large-diameter lower portion 3c of the rubber bush 3 is slanted between the tip end portions 21b and 21b of the pair of holding claws 21 and 21 that are inserted into the V-shape and opened in a V-shape. Set and hold in an inclined state.
[0019]
Next, as shown in FIG. 4, the pair of holding claws 21, 21 are gradually closed while being moved downward through the circular mounting holes 2 by driving the air cylinder 11 , and this gradually closing process. Then, the large-diameter lower portion 3c of the rubber bush 3 is pulled into the mounting hole 2 by the hook 21c while being deformed so as to be crushed into an oval shape between the tip portions 21b, 21b of the pair of holding claws 21, 21.
[0020]
Then, the large-diameter lower portion 3c of the rubber bush 3 deformed by being crushed into an ellipse is inserted into the mounting hole 2 so that the small-diameter central portion 3b of the rubber bush 3 is fitted into the mounting hole 2, and at the same time, the rubber bush 3 The large-diameter upper portion 3a is engaged with the upper surface 1a around the mounting hole 2 of the mounting bracket 1, and the pair of holding claws 21 and 21 are further moved downward by driving the air cylinder 11, as shown in FIG. By opening the tip portions 21b, 21b of the pair of holding claws 21, 21 away from the mounting hole 2, the holding state of the large-diameter lower portion 3c of the rubber bush 3 is released, and the rubber is inserted into the mounting hole 2 of the mounting bracket 1. The bush 3 is automatically attached. When the rubber bush 3 is completely mounted, the rubber bush 3 is locked with the upper and lower surfaces 1a, 1b around the mounting hole 2 of the mounting bracket 1 sandwiched between the large diameter upper portion and the lower portions 3a, 3c. 3 does not come off the mounting bracket 1.
[0021]
As described above, the mounting bracket 1 can be simply mounted by holding the large-diameter lower portion 3c of the rubber bush 3 in an inclined state between the tip portions 21b and 21b of the pair of holding claws 21 and 21. The rubber bush 3 can be automatically and smoothly attached to the circular attachment hole 2 in a short time. That is, the rubber bushing is formed in the circular mounting hole 2 of the mounting bracket 1 by a pair of holding claws 21 and 21 that move so as to be inserted into and separated from the circular mounting hole 2 of the mounting bracket 1 by driving the air cylinder 11. 3 can be automatically attached and can be easily and reliably attached.
[0022]
Each tip 21b of the pair of holding claws 21, 21, when inserting between 21b to crush large径下portion 3 c of the rubber bushing 3 in elliptical circular mounting hole 2 of mounting bracket 1, a pair The outer peripheral surface of the large-diameter lower portion 3c of the rubber bush 3 can be reliably locked by the hook-shaped hook 21c formed integrally protruding at the tips of the tip portions 21b, 21b of the holding claws 21, 21. As a result, the large-diameter lower portion 3c of the rubber bush 3 can be reliably pulled into the circular mounting hole 2 of the mounting bracket 1 by the hooks 21c of the tip portions 21b and 21b, and the occurrence of defective mounting can be reliably prevented. Can do.
[0023]
In addition, according to the said embodiment, although the case where a rubber bush was attached to the circular attachment hole formed in the attachment bracket of a wiper motor was demonstrated, the to-be-attached body is not restricted to the attachment bracket of a wiper motor, The gear case of a wiper motor Of course, a pivot holder of a wiper drive system may be used.
[0024]
【The invention's effect】
As described above, according to the rubber bush mounting method according to the first aspect of the present invention, the large-diameter lower portion of the rubber bush is inclined obliquely between the tip portions of the pair of holding claws by driving the actuator. The rubber bush can be automatically and smoothly attached to the attachment hole of the attached body in a short time by a simple operation of setting and holding.
[0025]
According to the rubber bush mounting jig of the second aspect of the present invention , the circular shape of the attached body is provided by the pair of holding claws that move so as to be inserted into and separated from the circular attachment hole of the attached body by driving the actuator. The rubber bush can be automatically attached to the attachment hole, and can be easily and reliably attached. Moreover, since the mounting hole can be made circular, a small rubber bush can be used, and the rigidity of the vibration-proof mount portion to which the small rubber bush is attached can be improved. Furthermore , since the large-diameter lower part of the rubber bush can be locked by a hook provided at the tip of each tip of the pair of holding claws, the large-diameter lower part of the rubber bush is attached to the circular attachment of the mounted body by this hook. It can be reliably pulled into the hole, and the occurrence of mounting failure can be reliably prevented.
[Brief description of the drawings]
FIG. 1 is a front view showing a rubber bush mounting jig according to an embodiment of the present invention in a partial cross section.
FIG. 2 is a side view showing a part of the rubber bush mounting jig.
FIG. 3 is an explanatory view showing a state in which the rubber bush is held by a pair of holding claws of the rubber bush mounting jig.
FIG. 4 is an explanatory view showing a state immediately before a rubber bush is attached to a circular attachment hole by the pair of holding claws.
FIG. 5 is an explanatory view showing a state in which a rubber bush is attached to a circular attachment hole by the pair of holding claws.
[Explanation of symbols]
1 Wiper motor mounting bracket (attachment)
DESCRIPTION OF SYMBOLS 1a Top surface 2 Circular mounting hole 3 Rubber bush 3a Large diameter upper part 3b Small diameter center part 3c Large diameter lower part 10 Rubber bush installation jig 11 Air cylinder (actuator)
16 Guides 21 and 21 A pair of holding claws 21b Tip portion 21c Hook 22 Compression coil spring (biasing means)

Claims (2)

被取付体に形成された取付孔内に、ラバーブッシュの上，下部よりも小径の小径中央部を嵌め込んで該ラバーブッシュの大径上，下部間で抜け止めするようにして、前記被取付体の取付孔に前記ラバーブッシュを取り付けるラバーブッシュの取付方法であって、
前記被取付体の取付孔にアクチュエータを駆動して一対の保持爪を下方より挿通させてＶ字状に開かせ、
次に、このＶ字状に開いた一対の保持爪の円弧筒状で斜めの各先端部間で前記ラバーブッシュの大径下部を斜めに傾斜した状態で保持し、
次に、前記アクチュエータの駆動により前記一対の保持爪を前記取付孔を介して下方へ移動させながら徐々に閉じて行き、この徐々に閉じて行く過程で前記ラバーブッシュの大径下部を前記一対の保持爪の各先端部間で潰すように変形させながら前記取付孔内に引き込み、
この潰されて変形したラバーブッシュの大径下部を前記取付孔に挿通させて該取付孔に前記ラバーブッシュの小径中央部を嵌め込むと共に、該ラバーブッシュの大径上部を前記被取付体の取付孔の周りの上面に係止させ、
次に、前記アクチュエータの駆動により前記一対の保持爪を更に下方に移動させて該一対の保持爪の各先端部を前記取付孔から離すことにより前記ラバーブッシュの大径下部の保持状態を開放して、前記被取付体の取付孔に前記ラバーブッシュを自動的に取り付けることを特徴とするラバーブッシュの取付方法。In the mounting hole formed in the mounted body, a small-diameter central portion having a smaller diameter than the upper and lower portions of the rubber bush is fitted to prevent the rubber bushing from coming off between the upper and lower portions of the rubber bush. A rubber bush mounting method for mounting the rubber bush in the body mounting hole,
An actuator is driven into the mounting hole of the mounted body and a pair of holding claws are inserted from below to open in a V-shape;
Next, holding the large-diameter lower portion of the rubber bush in an inclined state between the tip portions of the pair of holding claws opened in a V shape and slantingly,
Next, the actuator is driven to gradually close the pair of holding claws while moving downward through the mounting hole, and in the process of gradually closing, the large-diameter lower portion of the rubber bush is Withdrawing into the mounting hole while deforming so as to crush between the tips of the holding claws,
The lower part of the rubber bush that has been crushed and deformed is inserted into the mounting hole, and the small-diameter central part of the rubber bush is fitted into the mounting hole, and the upper part of the rubber bush is attached to the attachment body. Lock to the top surface around the hole,
Next, when the actuator is driven, the pair of holding claws are moved further downward, and the tip ends of the pair of holding claws are separated from the mounting holes, thereby releasing the holding state of the lower portion of the rubber bush. Then, the rubber bush is automatically attached to the attachment hole of the attached body. 被取付体に形成された円形の取付孔内に、ラバーブッシュの上，下部よりも小径の小径中央部を嵌め込んで該ラバーブッシュの大径上，下部間で抜け止め自在にして、前記被取付体の取付孔に前記ラバーブッシュを取り付けるようにしたラバーブッシュ取付治具であって、
前記被取付体の取付孔内に、円弧筒状で斜めの各先端部間で前記ラバーブッシュの大径下部を楕円形に潰すように変形させながら引き込むことにより前記取付孔に前記ラバーブッシュの小径中央部を嵌め込むと共に、該ラバーブッシュの大径上部を前記被取付体の取付孔の周りの上面に係止させる一対の保持爪と、
この一対の保持爪を常にＶ字状に開くように付勢する付勢手段と、
前記取付孔に前記一対の保持爪の各先端部を案内すると共に、該一対の保持爪の各先端部間の開く角度を規制するガイドと、
前記一対の保持爪の各先端部の先端に、前記ラバーブッシュの大径下部を係止するフックと、
前記一対の保持爪を前記取付孔に挿通させたり、該取付孔から離すように移動させるアクチュエータとを備え、
前記被取付体の取付孔に前記ラバーブッシュを自動的に取り付けたことを特徴とするラバーブッシュ取付治具。A small-diameter central portion having a smaller diameter than the upper and lower portions of the rubber bush is fitted into a circular mounting hole formed in the mounted body so that the rubber bush can be prevented from coming off between the upper and lower diameters. A rubber bush mounting jig that attaches the rubber bush to the mounting hole of the mounting body,
A small diameter of the rubber bush is drawn into the mounting hole by pulling it into the mounting hole of the mounted body while deforming so that the large-diameter lower portion of the rubber bush is crushed into an elliptical shape between each of the oblique tip portions in an arc tube shape. A pair of holding claws for engaging the center portion and locking the large-diameter upper portion of the rubber bush to the upper surface around the mounting hole of the mounted body;
An urging means for urging the pair of holding claws to always open in a V shape;
A guide for guiding each tip of the pair of holding claws to the mounting hole and regulating an opening angle between the tips of the pair of holding claws;
A hook for locking the large-diameter lower portion of the rubber bush at the tip of each tip of the pair of holding claws;
An actuator for inserting the pair of holding claws into the mounting hole or moving the pair of holding claws away from the mounting hole;
A rubber bush mounting jig , wherein the rubber bush is automatically mounted in the mounting hole of the mounted body .
JP2002127572A 2002-04-26 2002-04-26 Rubber bush mounting method and rubber bush mounting jig used for the mounting method Expired - Lifetime JP3998058B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002127572A JP3998058B2 (en) 2002-04-26 2002-04-26 Rubber bush mounting method and rubber bush mounting jig used for the mounting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002127572A JP3998058B2 (en) 2002-04-26 2002-04-26 Rubber bush mounting method and rubber bush mounting jig used for the mounting method

Publications (2)

Publication Number Publication Date
JP2003322208A JP2003322208A (en) 2003-11-14
JP3998058B2 true JP3998058B2 (en) 2007-10-24

Family

ID=29541640

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002127572A Expired - Lifetime JP3998058B2 (en) 2002-04-26 2002-04-26 Rubber bush mounting method and rubber bush mounting jig used for the mounting method

Country Status (1)

Country Link
JP (1) JP3998058B2 (en)

Also Published As

Publication number Publication date
JP2003322208A (en) 2003-11-14

Similar Documents

Publication Publication Date Title
JP5191813B2 (en) Fixing device, fixing member fixing structure, fixing member fixing method, and fixing release method
US7677850B2 (en) Clip comprising a pin and a bush
US8117710B2 (en) Windscreen wiper device, in particular for a motor vehicle
US20070107174A1 (en) Methods and apparatus for fastening panels
JP4592012B2 (en) Cleaning device for vehicle lamp and nozzle cover for cleaning device for vehicle lamp
US20080155803A1 (en) Method and apparatus for mounting and dismounting belts to and from pulleys
US20090007734A1 (en) Fuel injector connector installation tool
JP3998058B2 (en) Rubber bush mounting method and rubber bush mounting jig used for the mounting method
EP1241380B1 (en) Pivot member and transmission belt guide
CA2404463C (en) Container with handle region to receive a rope handle
JP3967273B2 (en) C-type clip insertion jig
US4464819A (en) Hinge pin removal apparatus
JP4771349B2 (en) Method and apparatus for assembling a coil spring to a shock absorber
KR20220008829A (en) pump mounting frame
JP4223453B2 (en) C-shaped clip mounting jig
CN210881592U (en) Vehicle air conditioner pipeline support convenient to change
JP2003039171A (en) Stud welding gun
CN218119917U (en) Air guide assembly and air conditioning unit
CN211332070U (en) Connecting rod rapid Assembly equipment for dimming motor
CN213195488U (en) Fool-proof positioning riveting die
CN219854395U (en) Device for quick replacement of spring by spring clamp
JP2004124479A (en) Holding device for door glass
KR102448791B1 (en) Apparatus for engaging grommet with tubular part of automobile
CN108999961B (en) Mounting structure and holder of acting as go-between shift
JP2006275126A (en) Hose holding structure

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20041013

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20061004

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20061212

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070126

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20070713

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20070731

R150 Certificate of patent or registration of utility model

Ref document number: 3998058

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100817

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100817

Year of fee payment: 3

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100817

Year of fee payment: 3

R371 Transfer withdrawn

Free format text: JAPANESE INTERMEDIATE CODE: R371

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100817

Year of fee payment: 3

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100817

Year of fee payment: 3

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100817

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110817

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120817

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130817

Year of fee payment: 6

EXPY Cancellation because of completion of term