JPS6056688A - Car body frame for motorcycle - Google Patents

Car body frame for motorcycle

Info

Publication number
JPS6056688A
JPS6056688A JP16381283A JP16381283A JPS6056688A JP S6056688 A JPS6056688 A JP S6056688A JP 16381283 A JP16381283 A JP 16381283A JP 16381283 A JP16381283 A JP 16381283A JP S6056688 A JPS6056688 A JP S6056688A
Authority
JP
Japan
Prior art keywords
pipe
body frame
welding
motorcycle
pipes
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
Application number
JP16381283A
Other languages
Japanese (ja)
Inventor
中川 光夫
啓次 鈴木
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.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
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 Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP16381283A priority Critical patent/JPS6056688A/en
Publication of JPS6056688A publication Critical patent/JPS6056688A/en
Pending legal-status Critical Current

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  • Automatic Cycles, And Cycles In General (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】[Detailed description of the invention]

本発明は自動二輪中の車体フレームに関づる。 従来、自動二輪車の車体フレームとしで、パイプどうし
が溶接により直接接合され、かつヘッドパイプ廻り等応
ツノ集中が生じ易い個所が、隣り合うパイプに溶接によ
り取り付(プられICガゼツl−によって補強されt=
m造のものが知られている。 ところが、このような車体フレームにあっては、パイプ
どうしが直接溶接されて結合された構造であるから、m
産を行なう際に品7iの一定化を図ることが難かしく、
特にガゼツトにより補強さ・れる個所eは、パイプどう
しおよびパイプとガゼツトどの溶接部分が重なり合うた
め、溶接が複雑になったり、溶接代が拡か−)で美観が
1(4われkPJりる等の不具合があった。加えて、フ
レーム材料としてアルミニウム製パ子プを用いる場合、
アルミニウl\自体が右Jる欠点C″ある、熱歪が大き
く溶接個所の強度が低下する等の不具合を回避りるため
に、パイプの肉j9を必要以上に大きく設定したり、溶
接代をより広くとったりづる必要があった。 本発明は、上記事情に鑑みてなされIごもので、安定し
た強度を得ることができ、bつ(♀産時品質の安定化が
図れ、かつ溶接1−程43よび溶接代を削減することが
でき、加えて外WQ十にも優れた自動二輪中の車体フレ
ームを1tfi供4ることを目的とし、その特徴とする
ところは、パイプ相ηを連結する連結部材に断面路」字
状の嵌合部を一体に設け、この嵌合部にパイプを嵌合さ
I!1:状態で溶接固定した点にある。 以下、本発明の一実施例を第1図〜第5図を参照して説
明りる。 第1図は本発明に係る車体フレームを備えた自動二輪中
の要部を示し−Cおり、図1Jおいて符号1は車体フレ
ーl)、2はエンジン、3は燃1′31タンク、4Iよ
シート、5 LJバッテリ、6はオイルタンクである。 前記車体フレーム1は、本図示例の場合アルミニウム製
であってかつダブルクレードル型とされてJ3す、ヘッ
ドパイプ(連結部材)7と、このヘッドパイプ7の上端
部から後下方へ延びるメインヂ21−ブ8と、ヘッドパ
イプ7の下端部から下1ノへ延びるダウンチューブ9と
、メインチューブ8の下端、1′3よびダウンチコーブ
9の後端を連結Jる連結部材10と、連結部4410か
ら後上方へ延びるバックステー11と、前記ダウンチコ
ーブ9から後方へ伸びかつ前記メインパイプ8およびバ
ックステー11と溶接により結合されるシートパイプ1
2とから構成されている。また前記各パイプ8.9.1
1.12はそれぞれ角型とされている。 前記ヘッドバイシフには、第3図および第4図に示すよ
うに、メインパイプ8およびダウンチューブ9の端部ど
嵌合しかつ外方が開口された断面口字状の嵌合i’1l
N3.14が、ダイカストに五り一体に形成されるとと
もに、これら嵌合部13,14の間並びに嵌合部14の
下部に、ガゼツト部15.16が嵌合部13,1/lと
同様ダイカス1へにより一体に形成され−Cいる。そし
て、嵌合部1゛3゜14には、メインパイプ8およびタ
ウンチー1−ブ9の各端部が嵌合された状態ぐ、?8接
により固定されている。 前記連結部材10は、各チコー、/8,9.11の端部
とそれぞれ嵌合しかつ内力に1ti1にlされた断面口
字状の嵌合部17,18.19、リアノ4−ク20の前
端部を軸(図示せず)を介して1ヱ動自在に支持ηるリ
アフA−り支持部21、並びにそれらの間に配されるが
ゼツl〜部22が、ダイカストにJ、り一体に形成され
た構成どなっている。そして、前記各嵌合部17,18
.19には、メインチューブ8、ダウンチューブ9おに
びバックステー11の各端部が嵌合された状態で、溶接
により固定されCいる。 また、23はリヤサスペンション取り付
The present invention relates to a body frame in a motorcycle. Conventionally, in the body frame of a motorcycle, pipes were directly joined together by welding, and areas where stress concentration was likely to occur, such as around the head pipe, were attached to adjacent pipes by welding (reinforced with pulled IC gussets). t=
M-built ones are known. However, in this type of body frame, the pipes are directly welded together, so the m
It is difficult to maintain a constant level of product 7i when producing products.
Particularly in the part e reinforced by the gusset, the welded parts of the pipes and the pipes and the gusset overlap, so the welding becomes complicated, the welding allowance increases (-), and the appearance is reduced by 1 (4 kPJ). There was a problem.In addition, when using aluminum pads as the frame material,
In order to avoid problems such as the aluminum itself having a disadvantage C'', such as large thermal distortion and reduced strength at the welded part, the pipe thickness is set larger than necessary, or the welding allowance is reduced. The present invention was made in view of the above circumstances, and it is possible to obtain stable strength, to stabilize the quality at the time of production, and to reduce welding. The aim is to provide a motorcycle body frame with 1TFI4 that can reduce the process and welding cost and also has an excellent outer WQ of 10.The main feature is that the pipe phase η is connected. The connecting member is integrally provided with a fitting portion having a cross-sectional shape, and the pipe is fitted into the fitting portion and fixed by welding in the state I!1.Hereinafter, an embodiment of the present invention will be described. This will be explained with reference to Figures 1 to 5. Figure 1 shows the main parts of a motorcycle equipped with a body frame according to the present invention, and in Figure 1J, reference numeral 1 indicates a body frame. , 2 is the engine, 3 is the fuel tank, 4 is the seat, 5 is the LJ battery, and 6 is the oil tank. The vehicle body frame 1 is made of aluminum in this illustrated example and is of a double cradle type, and includes a head pipe (connecting member) 7 and a main part 21- extending rearward and downward from the upper end of the head pipe 7. 8, a down tube 9 extending from the lower end of the head pipe 7 to the lower end, a connecting member 10 connecting the lower end of the main tube 8, 1'3, and the rear end of the downch cove 9, a backstay 11 extending upward; and a seat pipe 1 extending rearward from the downch cove 9 and coupled to the main pipe 8 and the backstay 11 by welding.
It is composed of 2. In addition, each pipe 8.9.1
1.12 are each square shaped. As shown in FIGS. 3 and 4, the head-by-shift has a fitting i'1l that fits into the ends of the main pipe 8 and the down tube 9 and has a cross-sectional opening that is open on the outside.
N3.14 is integrally formed into five parts by die-casting, and a gusset part 15.16 is provided between these fitting parts 13 and 14 and at the bottom of the fitting part 14, similar to the fitting part 13,1/l. It is formed integrally with the die cast 1. Then, each end of the main pipe 8 and the town pipe 1-9 are fitted into the fitting portions 1-3-14. It is fixed by 8 contacts. The connecting member 10 has fitting portions 17, 18, 19 each having a cross-sectional shape, which are fitted with the end portions of the respective Chicos, /8, 9. A rear support part 21 which freely supports the front end of the front end of the rear part 21 through a shaft (not shown), and a part 22 disposed between them are made of die-cast material. What is the structure formed in one piece? And each of the fitting parts 17, 18
.. 19, each end of the main tube 8, down tube 9, and back stay 11 are fitted and fixed by welding C. Also, 23 has rear suspension installed.

【ノ用ブラケツ
l” 24 a>よびエンジンハンガ一部25が一体に
形成されたクロスメンバで、このクロスメンバ23は両
端に形成された嵌合部が、メインパイプ8に嵌合された
状態r溶接により固定されている。また第2図においで
、26.27は、両シートパイプ12間に溶接により取
り4=J’ 4ノられたクロスメンバーである。 一方第1図、第2図および第5図に示1祠号30は、C
,D、Iユニツl−31、ウィンカ−リレー32、レギ
ュレータ33等各電装部品を支持づるプレートで、この
プレート30は、上部に相互に間隔をあI′、lて配設
された両ハンガ一部34が前記シーI・パイプ12に係
止され、かつ下部に設けられた係止部35が前記バック
スラー11から延びるブラケツ1へ36にポルh 37
 J5よびクリップナツト38を介して固定されること
により、車体フレーム1に簡単な操作によって固定され
るものである。 しかして、上記車体フレームにJ、れば、へ・yドパイ
ブ7および連結部材10に、パイプ連結用の嵌合部13
,14,17,18.19をタイカストにより一体に形
成し、これら各嵌合部にパイプの端部を嵌合させた状態
で溶接固定した構成Cあって、応力が集中し易いバイブ
相Uの接合部分を予め一体に形成しているから、パイプ
どうしを直接溶接接合したものに比べて、強度的に優れ
る利点がある。 また、ヘッドバイ17および連結部材10に、予めガゼ
ツ1〜部15,16.22をダイカスト【こより一体に
取り付けているから、ガゼツ1〜としでの強度を高める
ことができ、かつカゼツ1−取りイ4けのための溶接工
程を省くことができるととしに、溶接代を削減し得美観
が損われない等の利疎がある。 さらに前記嵌合部を断面口字状に形成し、それらの縁部
とパイプとを溶接しているから、断面し】字状あるいは
円状に形成された嵌合部にパイプを溶接づ−る構成のも
のに比べ、溶接代を、パイプの周方向のみならずパイプ
の長さ方向にも確保することができ、その分結合強度を
高めることができる。 なお、上記実施例においては、車体フレーム材料として
角型パイプを用いた例について説明したが、本発明が適
用されるのは、角型パイプに限られることなく丸型のパ
イプであっても適用させることができる。この場合、パ
イプlfX合部の断面形状は弁型パイプに合わせて円弧
状に形成すればよい。 以上説明したように本発明によれば、パイプ相互を連結
する連結部材に断面略コ字状の嵌合部を一体に設cノ、
この嵌合部にパイプを嵌合させた状態で溶接固定してい
るからパイプどうしを直接溶接する従来のものに比べて
強度的に優れる。また連結部材に予めガゼツ1−を一体
に設けることができ、その分強度をさらに高めるととも
に溶接代を少なくし得、もって品質の安定化が図れかつ
溶接工程の削減を図ることかのできる等の効果を有する
[Bracket l''24a> and engine hanger part 25 are integrally formed.This cross member 23 is in a state where the fitting parts formed at both ends are fitted to the main pipe 8. It is fixed by welding.In addition, in Fig. 2, 26.27 is a cross member that is welded between both sheet pipes 12.On the other hand, Fig. 1, Fig. 2, and The first shrine number 30 shown in Fig. 5 is C
, D, I unit 1-31, turn signal relay 32, regulator 33, and other electrical components. A portion 34 is locked to the sea I pipe 12, and a locking portion 35 provided at the bottom is connected to the bracket 1 extending from the back slur 11 to the bracket 136.
By being fixed via J5 and the clip nut 38, it can be fixed to the vehicle body frame 1 with a simple operation. Therefore, if the above-mentioned vehicle body frame has J, a fitting part 13 for connecting the pipe is attached to the Y-do pipe 7 and the connecting member 10.
, 14, 17, 18, and 19 are integrally formed by tie-casting, and the end of the pipe is fitted into each fitting part and fixed by welding. Since the joints are integrally formed in advance, there is an advantage in terms of strength compared to pipes that are directly welded together. In addition, since the gazettes 1 to 15, 16, and 22 are integrally attached to the head bye 17 and the connecting member 10 in advance by die-casting, the strength of the gazettes 1 to 1 can be increased, and the reinforcement for removing the In addition to being able to omit the welding process for 4 parts, there are benefits such as the welding allowance being reduced and the aesthetic appearance not being impaired. Furthermore, since the fitting portion is formed into a square shape in cross section and the pipe is welded to the edges thereof, the pipe can be welded to the fitting portion which is formed in a square or circular cross section. Compared to the configuration, the welding allowance can be secured not only in the circumferential direction of the pipe but also in the length direction of the pipe, and the joint strength can be increased accordingly. In addition, in the above embodiment, an example was explained in which a square pipe was used as the vehicle body frame material, but the present invention is applicable not only to square pipes but also to round pipes. can be done. In this case, the cross-sectional shape of the pipe lfX joint may be formed into an arc shape to match the valve-shaped pipe. As explained above, according to the present invention, the connecting member that connects the pipes to each other is integrally provided with a fitting portion having a substantially U-shaped cross section.
Since the pipe is fitted into this fitting part and fixed by welding, it is superior in strength compared to the conventional method in which the pipes are directly welded together. In addition, the connecting member can be integrally provided with the gusset 1 in advance, which further increases the strength and reduces the welding allowance, thereby stabilizing quality and reducing the number of welding processes. have an effect.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明に係る車体フレームを備えた自動二輪車
の要部を示づ一側面図、第2図はシートおよび燃料タン
クを外した状態の平面図、第3図はヘッドパイプおよび
それに連結されるパイプの正面図、第4図は第1図のI
V −IV線に沿う断面図、第5図は第1図の■−■線
に沿う断面図である。 1・・・・・・車体フレーム、7・・・・・・l\ラッ
ドイ1(連結部材)、8・・・・・・メインチコーブ、
9・・・・・・ダウンヂコーブ、10・・・・・・連結
部材、11・・・・・・パックスデー、12・・・・・
・シートパイプ、13.’14,17゜18.19・・
・・・・嵌合部、15,16.20・・・・・・ガゼッ
1〜部。
Fig. 1 is a side view showing the main parts of a motorcycle equipped with a body frame according to the present invention, Fig. 2 is a plan view with the seat and fuel tank removed, and Fig. 3 is a head pipe and connections thereto. The front view of the pipe shown in Figure 4 is I of Figure 1.
5 is a cross-sectional view taken along the line V--IV, and FIG. 5 is a cross-sectional view taken along the line ■-■ in FIG. 1...Vehicle frame, 7...l\lady 1 (connecting member), 8...mainch cove,
9... Down Di Cove, 10... Connecting member, 11... Paxday, 12...
・Sheet pipe, 13. '14,17゜18.19...
...Fitting part, 15, 16.20...Gusset 1~ part.

Claims (1)

【特許請求の範囲】[Claims] 複数のパイプが連結部(・Aを介してそれぞれ連結され
てなる自動二輪中の車体フレームにおいて、前記連結部
材には断面略コ字状の嵌合部祠が一体に設けられ、該嵌
合部には前記パイプが嵌合された状態で溶接固定されて
いることを特徴とげる自動二輪車の車体フレーム。
In a motorcycle body frame in which a plurality of pipes are connected to each other through connecting portions (A), the connecting member is integrally provided with a fitting portion hole having a substantially U-shaped cross section; A motorcycle body frame, wherein the pipe is welded and fixed in a fitted state.
JP16381283A 1983-09-06 1983-09-06 Car body frame for motorcycle Pending JPS6056688A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16381283A JPS6056688A (en) 1983-09-06 1983-09-06 Car body frame for motorcycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16381283A JPS6056688A (en) 1983-09-06 1983-09-06 Car body frame for motorcycle

Publications (1)

Publication Number Publication Date
JPS6056688A true JPS6056688A (en) 1985-04-02

Family

ID=15781177

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16381283A Pending JPS6056688A (en) 1983-09-06 1983-09-06 Car body frame for motorcycle

Country Status (1)

Country Link
JP (1) JPS6056688A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6234878A (en) * 1985-08-07 1987-02-14 ヤマハ発動機株式会社 Frame for motorcycle
JPS6332984U (en) * 1986-08-20 1988-03-03

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5759778B2 (en) * 1976-06-07 1982-12-16 Mitsubishi Heavy Ind Ltd
JPS5889423A (en) * 1981-11-25 1983-05-27 Honda Motor Co Ltd Exhaust device for motorcycle or the like

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5759778B2 (en) * 1976-06-07 1982-12-16 Mitsubishi Heavy Ind Ltd
JPS5889423A (en) * 1981-11-25 1983-05-27 Honda Motor Co Ltd Exhaust device for motorcycle or the like

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6234878A (en) * 1985-08-07 1987-02-14 ヤマハ発動機株式会社 Frame for motorcycle
JPS6332984U (en) * 1986-08-20 1988-03-03

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