JPH02227387A - Bracket for front fork of motor cycle - Google Patents
Bracket for front fork of motor cycleInfo
- Publication number
- JPH02227387A JPH02227387A JP4667789A JP4667789A JPH02227387A JP H02227387 A JPH02227387 A JP H02227387A JP 4667789 A JP4667789 A JP 4667789A JP 4667789 A JP4667789 A JP 4667789A JP H02227387 A JPH02227387 A JP H02227387A
- Authority
- JP
- Japan
- Prior art keywords
- parts
- arm
- brackets
- steering shaft
- bracket
- 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.)
- Pending
Links
- 235000013372 meat Nutrition 0.000 description 5
- 229910001234 light alloy Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、自動二輪車の前ホークのブラケットに関す
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] This invention relates to a bracket for a front fork of a motorcycle.
自動二輪車の前ボークは、中央にステアリングシャフト
を取付ける孔を設け、中央から左右に伸したアームの先
端の孔に左右のホークチューブを取付ける上下のブラケ
ットを軽合金で鋳造などによって作り、中央のステアリ
ングシャフトを車体前端のへラドバイブに、回動させて
操舵できるように取付け、左右のホークチューブの下部
にクツション筒を取付け、左右のクツション筒の下端に
、前輪を回転自在に支承した車軸を取付けるようにして
いる。The front balk of a motorcycle has a hole in the center for attaching the steering shaft, and upper and lower brackets are made of light alloy to attach the left and right hawk tubes to the holes at the tips of the arms extending left and right from the center. The shaft is attached to the Heradvibe at the front end of the vehicle so that it can be rotated and steered, the cushion tubes are attached to the bottom of the left and right hawk tubes, and the axle that rotatably supports the front wheels is attached to the lower ends of the left and right cushion tubes. I have to.
上下のブラケットはアーム部分に、断面逆回字状に下側
から肉盗みを設けたり、アーム部分の断面を小さく細く
して、軽量化を図っている。例えば、実開昭６０−７２
７８９号公報、特開昭６２−２８３０８８号公報参照。The weight of the upper and lower brackets has been reduced by cutting out the weight from the bottom in an inverted circular cross-section, and by making the cross-section of the arms smaller and thinner. For example, Utsukai Showa 60-72
See Publication No. 789 and Japanese Unexamined Patent Publication No. 62-283088.
上下のブラケットの左右のアーム部分に下側から逆回字
状に肉盗みを設けるものは、使用しているときに肉盗み
が見えることがなくて体裁よくできるが、肉盗みできる
個所が限定されて少く、重量が重くつく不都合がある。If the left and right arms of the upper and lower brackets are provided with meat stealing from the bottom in a reverse circular shape, the meat stealing will not be visible during use and will look good, but the places where meat can be stolen will be limited. It has the disadvantage of being small and heavy.
又、上下のブラケットのアーム部分を細く作るものは、
ｆｆ１ｆｆｉの割に剛性が不足する不都合がある。Also, those that make the arm part of the upper and lower brackets thinner,
There is a disadvantage that the rigidity is insufficient compared to ff1ffi.
この発明は、かかる点に鑑み、肉盗みできる部分を広く
できて軽量化を図りながら、十分な剛性も保つことがで
きる自動二輪車の前ホークのブラケットを得ることを目
的とする。In view of the above, an object of the present invention is to provide a bracket for a front fork of a motorcycle that can widen the area where meat can be stolen, reduce weight, and maintain sufficient rigidity.
上記目的を達成するために、この発明の自動二輪車の前
ホークのブラケットは、中央の孔にステアリングシャフ
トを取付け、両側にアームを伸し、アームの先端の孔に
左右のホークチューブを取付ける上下のブラケットのア
ーム部分に、前後方向から断面エ字状に肉盗みを設けた
ことにある。In order to achieve the above object, the front fork bracket of the motorcycle of this invention has a steering shaft installed in the center hole, arms extending on both sides, and left and right fork tubes installed in the holes at the ends of the arms. The reason is that the arm part of the bracket has an E-shaped cross section from the front and rear directions.
（作用）
ブラケットの左右のアーム部分全体に肉盗みを設けるこ
とができる。そして、アーム部分の肉厚さも、中央から
両端側に次第に薄くすることもできる。このため、軽量
化を図ることができる。しかもアーム部分の断面がエ字
状で、捩れなどに強く、高い剛性を保つことができる。(Function) Threads can be provided on the entire left and right arm portions of the bracket. The thickness of the arm portion can also be made gradually thinner from the center to both ends. Therefore, weight reduction can be achieved. Furthermore, the arm section has an E-shaped cross section, making it resistant to twisting and maintaining high rigidity.
（実施例） 以下、本発明の実施例を図面によって説明する。(Example) Embodiments of the present invention will be described below with reference to the drawings.
第１図乃至第３図は、本発明の一実施例を示すものであ
る。上下のブラケット１は、軽合金などによって、鋳造
して成形するものである。上下のブラケット１は、中央
の孔２の両側に、左右にアーム３を伸し、アーム３の先
端に先端の孔４を設ける。アーム３部分は、前後の方向
から、断面エ字状になるように肉盗み５を設ける。肉盗
み５の上下の幅は、先端になるに従って広くなるように
しである。1 to 3 show one embodiment of the present invention. The upper and lower brackets 1 are cast and molded from a light alloy or the like. The upper and lower brackets 1 have arms 3 extending left and right on both sides of a central hole 2, and a hole 4 at the tip thereof is provided at the tip of the arm 3. The arm 3 portion is provided with a cutout 5 so as to have an E-shaped cross section from the front and rear directions. The vertical width of the meat stealer 5 is such that it becomes wider toward the tip.
第４図は、本発明の他の実施例を示すものである。この
場合は、肉盗み５部分の上下の幅は、−定にしであるが
、アーム３部分の厚さを先端になるに従って薄くなるよ
うにしである。その他は、第１図乃至第３図に示したも
のと同一である。FIG. 4 shows another embodiment of the invention. In this case, the width of the upper and lower portions of the portion 5 of which the flesh has been removed is set to - constant, but the thickness of the portion of the arm 3 is made to become thinner toward the tip. The other parts are the same as those shown in FIGS. 1 to 3.
、上下のブラケット１は、中央の孔２にステアリングシ
ャフト６を取付け、ステアリングシャフト６をフレーム
７の先端のヘッドバイブ８に回動させて操舵できるよう
に取付ける。先端の孔４には、左右のホークチューブ９
の上部を挿入して締着する。左右のホークチューブ９の
下部には、クツション＊ｉｏが伸縮摺動してクツション
できるように挿入し、クツション筒１０の下端に、前輪
１１を回転自在に支承した車軸１２を締着する。In the upper and lower brackets 1, a steering shaft 6 is attached to a central hole 2, and the steering shaft 6 is attached to a head vibe 8 at the tip of a frame 7 so that it can be rotated and steered. The hole 4 at the tip has the left and right hawk tubes 9.
Insert the upper part of and tighten. A cushion *io is inserted into the lower part of the left and right hawk tubes 9 so that it can be extended and slid to provide cushioning, and an axle 12 rotatably supporting a front wheel 11 is fastened to the lower end of the cushion cylinder 10.
上下のブラケット１は、左右のアーム３部分が断面エ字
状になっていて、剛性高くでき、肉盗み５を大きくでき
、先端になるに従って厚さを変えることもできて、応力
の度合に応じた対応ができる。The upper and lower brackets 1 have an E-shaped cross section in the left and right arm 3 parts, and can be made to have high rigidity, increase the thickness loss 5, and change the thickness toward the tip, depending on the degree of stress. I can respond accordingly.
〔発明の効果）
以上説明したように、この発明は、上述のように構成し
たので、上下のブラケットのアーム部分を断面エ字状に
肉盗みを設けて、高い剛性を保ちながら、肉厚さが薄く
、軽量化したものにでき、車体重量の軽減による車両性
能の向上にも貢献できる。[Effects of the Invention] As explained above, since the present invention is configured as described above, the arm portions of the upper and lower brackets are provided with an E-shaped cross section, thereby reducing the wall thickness while maintaining high rigidity. It can be made thinner and lighter, contributing to improved vehicle performance by reducing vehicle weight.
第１図は平面図、
第２図は背面図、
第３図は第１図Ａ−Ａ所面図、
第４図は本発明の他の実施例を示す背面図、第５図は全
体側面図である。Fig. 1 is a plan view, Fig. 2 is a rear view, Fig. 3 is a view from Fig. 1 A-A, Fig. 4 is a rear view showing another embodiment of the present invention, and Fig. 5 is an overall side view. It is a diagram.
１・・・ブラケット、２・・・中央の孔、３・・・アー
ム、４・・・先端の孔、５・・・肉盗み、
６・・・ステアリングシャフト、９・・・ホークチュー
ブ。1... Bracket, 2... Center hole, 3... Arm, 4... Tip hole, 5... Flesh steal, 6... Steering shaft, 9... Hawk tube.
Claims (1)
ムを伸し、アームの先端の孔に左右のホークチューブを
取付ける上下のブラケットのアーム部分に、前後方向か
ら断面エ字状に肉盗みを設けたことを特徴とする自動二
輪車の前ホークのブラケット。The steering shaft is attached to the center hole, the arms are extended to both sides, and the left and right hawk tubes are attached to the holes at the ends of the arms.The arms of the upper and lower brackets have an E-shaped cross section cut out from the front and rear directions. A front hawk bracket for motorcycles featuring
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4667789A JPH02227387A (en) | 1989-03-01 | 1989-03-01 | Bracket for front fork of motor cycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4667789A JPH02227387A (en) | 1989-03-01 | 1989-03-01 | Bracket for front fork of motor cycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02227387A true JPH02227387A (en) | 1990-09-10 |
Family
ID=12754007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4667789A Pending JPH02227387A (en) | 1989-03-01 | 1989-03-01 | Bracket for front fork of motor cycle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02227387A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1064613C (en) * | 1996-03-08 | 2001-04-18 | 本田技研工业株式会社 | Cast iron steering chassis for steering device |
| EP1992555A1 (en) * | 2007-05-18 | 2008-11-19 | Yamaha Hatsudoki Kabushiki Kaisha | Front wheel support device of motocycle |
| JP2016215867A (en) * | 2015-05-21 | 2016-12-22 | スズキ株式会社 | Steering wheel suspension device |
-
1989
- 1989-03-01 JP JP4667789A patent/JPH02227387A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1064613C (en) * | 1996-03-08 | 2001-04-18 | 本田技研工业株式会社 | Cast iron steering chassis for steering device |
| EP1992555A1 (en) * | 2007-05-18 | 2008-11-19 | Yamaha Hatsudoki Kabushiki Kaisha | Front wheel support device of motocycle |
| JP2016215867A (en) * | 2015-05-21 | 2016-12-22 | スズキ株式会社 | Steering wheel suspension device |
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