JP2002284080A - Device for mounting engine of motorcycle - Google Patents

Device for mounting engine of motorcycle

Info

Publication number
JP2002284080A
JP2002284080A JP2001092806A JP2001092806A JP2002284080A JP 2002284080 A JP2002284080 A JP 2002284080A JP 2001092806 A JP2001092806 A JP 2001092806A JP 2001092806 A JP2001092806 A JP 2001092806A JP 2002284080 A JP2002284080 A JP 2002284080A
Authority
JP
Japan
Prior art keywords
engine
hanger bracket
motorcycle
mounting
down tube
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.)
Granted
Application number
JP2001092806A
Other languages
Japanese (ja)
Other versions
JP4145499B2 (en
Inventor
Shin Nakai
慎 中井
Kazuo Suzuki
和雄 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 JP2001092806A priority Critical patent/JP4145499B2/en
Publication of JP2002284080A publication Critical patent/JP2002284080A/en
Application granted granted Critical
Publication of JP4145499B2 publication Critical patent/JP4145499B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To improve a structure for mounting an engine of a motorcycle. SOLUTION: The motorcycle comprises a main frame 2 extending backward from an upper part of a head tube 1, a pair of down tubes 3 extending to a back lower direction from a lower part of the head tube 1, a pair of approximately parallel lower frames 4 for connecting a lower part of the down tube 3 to a lower part of a drooping part 2a of a back part of the main frame 2, and an engine 6 arranged at a back of the down tube 3. The device for mounting an engine of a motorcycle is characterized by that mounting bosses 11b, 11c are provided respectively on a front part and a front lower part of the engine 6 along a symmetrical surface of the motorcycle, the front part of the engine 6 and the lower part of the down tube 3 are linked each other through a hanger bracket 13 of a U shape in cross section which surrounds the mounting bosses 11b, 11c from a front, a collar for inserting bolts 14a, 14b, 14c for linking the engine 6 and the down tube 3 is provided on the hanger bracket 13, and a cover member 17 for covering an upper part of the hanger bracket 13 is integrally provided on the hanger bracket 13.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、自動二輪車のエン
ジン取付構造に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an engine mounting structure for a motorcycle.

【0002】[0002]

【従来の技術】従来の自動二輪車のエンジン取付構造の
一例として、実公昭59−3018号公報に開示された
ものがある。これは、ヘッドチューブ部から後方へ延出
されるフレームメンバの左右の垂下部と、ヘッドチュー
ブ部、或はこれの近傍から後下方へ垂下される左右のダ
ウンチューブとを備える自動二輪車において、左右のダ
ウンチューブと、これの後方にある左右の垂下部との間
の開放された空間にエンジンを臨ませ、エンジン前部の
下部にはこれの前面及び両側面を覆う如き取付ブラケッ
トを配設し、該ブラケットの両側片下部をエンジンに結
着し、該ブラケットの両側片上部を前記左右のダウンチ
ューブに固設され、エンジン方向へ突出された左右の取
付プレート上部とともにエンジンに共通して結着し、且
つ取付プレート下部は前記ブラケットに結着し、エンジ
ン後部は前記フレームメンバの左右の垂下部に結着する
ように構成したことを特徴とする。
2. Description of the Related Art An example of a conventional motorcycle engine mounting structure is disclosed in Japanese Utility Model Publication No. 59-3018. This is a motorcycle having a left and right hanging portion of a frame member extending rearward from a head tube portion and a left and right down tube hanging rearward and downward from the head tube portion or its vicinity. The engine faces the open space between the down tube and the left and right hanging parts behind it, and a mounting bracket is provided at the lower part of the front part of the engine to cover the front and both sides of the engine, The lower portions of both sides of the bracket are connected to the engine, and the upper portions of both sides of the bracket are fixed to the left and right down tubes, and are commonly connected to the engine together with the upper portions of the left and right mounting plates protruding toward the engine. And a lower portion of the mounting plate is connected to the bracket, and a rear portion of the engine is connected to left and right hanging portions of the frame member. .

【0003】[0003]

【解決しようとする課題】前記従来の自動二輪車のエン
ジン取付構造は、該ブラケットがエンジンの前方と側方
しか覆っていないので、小さいサイズのエンジンを搭載
すると、エンジンの前方にできる大きな空所がブラケッ
ト上方から見え、外観上好ましくなかった。
In the conventional engine mounting structure for a motorcycle, since the bracket covers only the front and side of the engine, when a small-sized engine is mounted, a large space can be formed in front of the engine. It was visible from above the bracket and was not desirable in appearance.

【0004】[0004]

【課題を解決するための手段および効果】前記従来の課
題を解決するために、請求項1の発明は、ヘッドチュー
ブの上部から後方へ延びるメインフレームと、上記ヘッ
ドチューブの下部から後下方へ延びる一対のダウンチュ
ーブと、該ダウンチューブの下部を上記メインフレーム
の後部の垂下部の下部に接続するほぼ水平な一対のロア
フレームと、上記ダウンチューブの後方に配されたエン
ジンとを備えた自動二輪車において、該自動二輪車の左
右対称面に沿って、上記エンジンの前部と前下部にそれ
ぞれ取付ボスが設けられ、それら取付ボスを前方から囲
む断面コ字状のハンガブラケットを介して上記エンジン
の前部と上記ダウンチューブの下部とが互いに連結され
るとともに、上記ハンガブラケットには上記エンジンと
上記ダウンチューブとを連結するボルトを挿通させるカ
ラーが設けられ、かつ該ハンガブラケットの上部を覆う
カバー部材が一体に設けられたことを特徴とする自動二
輪車のエンジン取付装置である。
SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a first aspect of the present invention is to provide a main frame extending rearward from an upper portion of a head tube and extending rearward and downward from a lower portion of the head tube. A motorcycle comprising: a pair of down tubes; a pair of substantially horizontal lower frames connecting a lower portion of the down tubes to a lower portion of a hanging portion at a rear portion of the main frame; and an engine disposed behind the down tubes. In the motorcycle, mounting bosses are respectively provided at a front part and a front lower part of the engine along a left-right symmetric surface of the motorcycle, and the mounting boss is provided in front of the engine via a hanger bracket having a U-shaped cross section surrounding the mounting boss from the front. And the lower portion of the down tube are connected to each other, and the hanger bracket is attached to the engine and the down tube. Color is provided for inserting the bolts for connecting the door, and a cover member for covering the upper portion of the hanger bracket is an engine mounting device for a motorcycle, characterized in that provided integrally.

【0005】請求項1の発明は、上記のとおり構成され
ているので、エンジン前方のすきまがブラケット上方か
ら見えるのを防ぐことができる。
According to the first aspect of the present invention, the clearance in front of the engine can be prevented from being seen from above the bracket.

【0006】次に請求項2の発明は、前記請求項1記載
の発明において、上記ハンガブラケットの内面の幅が上
記取付ボスの幅よりも広いことを特徴とするものであ
る。したがって請求項2の発明は、ハンガブラケットと
エンジンとが一体に見え、エンジンの前面とダウンチュ
ーブとの間隔が広い場合でも、重厚で強力なエンジンと
いう印象を与えることができる。
Next, the invention of claim 2 is characterized in that, in the invention of claim 1, the width of the inner surface of the hanger bracket is wider than the width of the mounting boss. Therefore, according to the second aspect of the present invention, the hanger bracket and the engine can be seen integrally, and even when the distance between the front surface of the engine and the down tube is wide, an impression of a heavy and powerful engine can be given.

【0007】次に請求項3の発明は、前記請求項1記載
の発明において、上記ハンガブラケットの前面、側面お
よび上面がすべて覆われていることを特徴とするもので
ある。したがって請求項3の発明は、泥や小石等の異物
が侵入するのを防ぐことができる。
A third aspect of the present invention is the invention according to the first aspect, wherein the front, side, and upper surfaces of the hanger bracket are all covered. Therefore, the invention of claim 3 can prevent foreign substances such as mud and pebbles from entering.

【0008】[0008]

【発明の実施の形態】図1は本発明の一実施形態が適用
された自動二輪車のフレーム構造の主要部とエンジン周
辺を示す側面図、図2は図1の正面図である。
FIG. 1 is a side view showing a main part of a frame structure of a motorcycle to which an embodiment of the present invention is applied and an engine periphery, and FIG. 2 is a front view of FIG.

【0009】この自動二輪車は、ヘッドチューブ1の上
部から後方へ延びるメインフレーム2と、ヘッドチュー
ブ1の下部から後下方へ延びる一対のダウンチューブ3
を備えている。そしてダウンチューブ3の下部とメイン
フレーム2後部の垂下部2aの下部とは、ほぼ水平なロ
ウアフレーム4によって接続されている。またダウンチ
ューブ3の後方にはエンジン6が配される。
The motorcycle comprises a main frame 2 extending rearward from an upper portion of a head tube 1 and a pair of down tubes 3 extending rearward and downward from a lower portion of the head tube 1.
It has. The lower portion of the down tube 3 and the lower portion of the hanging portion 2a at the rear of the main frame 2 are connected by a substantially horizontal lower frame 4. An engine 6 is disposed behind the down tube 3.

【0010】上記エンジン6のクランクケース6aの前
部と前下部には、自動二輪車の左右対称面に沿って取付
ボス11b、11cが設けられている。一方ダウンチューブ
3の下部には取付ブラケット12a、12cが設けられてい
る。そして、取付ボス11b、11cと取付ブラケット12
a、12cとの間に介在するハンガブラケット13とボルト
14a、14b、14cとによりエンジン6の前部とダウンチ
ューブ3の下部とが互いに連結される。なお、14aはM
10ボルト、14b、14cはM8ボルトである。また図1
中7は気化器、8はエアクリーナ、9は排気管、5はシ
ートレールである。
At the front and lower part of the crankcase 6a of the engine 6, mounting bosses 11b and 11c are provided along the left-right symmetry plane of the motorcycle. On the other hand, mounting brackets 12a and 12c are provided below the down tube 3. The mounting bosses 11b and 11c and the mounting bracket 12
Hanger bracket 13 and bolt interposed between a and 12c
The front part of the engine 6 and the lower part of the down tube 3 are connected to each other by 14a, 14b and 14c. 14a is M
10 volts, 14b and 14c are M8 volts. FIG.
Reference numeral 7 denotes a vaporizer, 8 denotes an air cleaner, 9 denotes an exhaust pipe, and 5 denotes a seat rail.

【0011】次に図3は上記ハンガブラケット13を取出
して示す拡大側面図(図4、図5、図6のIII−III矢視
図)、図4は図3、図5のIV矢視背面図、図5は図3、
図4、のV矢視平面図、図6は図3のVI-VI矢視断面図
である。
Next, FIG. 3 is an enlarged side view showing the hanger bracket 13 taken out (as viewed in the direction of arrows III-III in FIGS. 4, 5, and 6). FIG. 4 is a rear view as viewed in the direction of arrows IV in FIGS. FIG. 5, FIG.
FIG. 4 is a plan view taken along the arrow V in FIG. 4, and FIG. 6 is a sectional view taken along the line VI-VI in FIG.

【0012】これらの図に示されるように、本実施形態
のハンガブラケット13は、水平断面がコ字状を呈してお
り、3組のボルト穴15a、15b、15cが設けられてい
る。そしてそのボルト穴15a、15b、15c位置の内方に
は、ボルトが挿通するカラー16a、16b、16cが設けら
れている。そのうちカラー16aはハンガブラケット13の
幅全体にわたって設けられているが、カラー16b、16c
は前記エンジン6に設けられた取付ボス11a、11bの幅
よりも僅かに広い欠損部をへだてて左右に分離してい
る。すなわちハンガブラケット13の内面の幅は、取付ボ
ス11a、11bの幅よりも十分に広く、その差に相当する
部分に上記カラー16b、16cが設けられることになる。
As shown in these figures, the hanger bracket 13 of the present embodiment has a U-shaped horizontal section, and is provided with three sets of bolt holes 15a, 15b, and 15c. Inside the bolt holes 15a, 15b, 15c, there are provided collars 16a, 16b, 16c through which bolts are inserted. The collar 16a is provided over the entire width of the hanger bracket 13, but the collars 16b, 16c
Is separated left and right by protruding a defective portion slightly wider than the width of the mounting bosses 11a and 11b provided on the engine 6. That is, the width of the inner surface of the hanger bracket 13 is sufficiently larger than the width of the mounting bosses 11a, 11b, and the collars 16b, 16c are provided in portions corresponding to the difference.

【0013】また、ハンガブラケット13には、コ字状断
面の上端を覆うカバー部材17が一体に設けられる。した
がってハンガブラケット13は、前面、側面および上面が
すべて覆われていることになる。
The hanger bracket 13 is integrally provided with a cover member 17 for covering the upper end of the U-shaped cross section. Therefore, the hanger bracket 13 has the front surface, the side surface, and the top surface all covered.

【0014】上記ハンガブラケット13は、左右に分離し
た上記カラー16b、16cで上記エンジン6の取付ボス11
b、11cを挟むように、すなわちエンジン6の取付ボス
11b、11cをコ字状断面で前方から囲むように配置さ
れ、ボルト14b、14cにより取付ボス11b、11cに取付
けられる。更にダウンチューブ3の下部に設けられた取
付ブラケット12aのボルト穴にボルト穴15aを合わせ、
ボルト14aにより取付ブラケット12aとハンガブラケッ
ト13を結合する。また取付ブラケット12cのボルト穴に
ボルト穴15cを合わせ、前記ボルト14c1本により、取
付ボス11c、ハンガブラケット13、取付ブラケット12c
の3者が結合される。こうして、エンジン6の前部がダ
ウンチューブ3下部に取付けられる。
The hanger bracket 13 is attached to the mounting boss 11 of the engine 6 by the collars 16b and 16c separated to the left and right.
b, 11c, that is, the mounting boss of the engine 6
11b and 11c are arranged so as to surround the front in a U-shaped cross section, and attached to the mounting bosses 11b and 11c by bolts 14b and 14c. Further, the bolt hole 15a is aligned with the bolt hole of the mounting bracket 12a provided at the lower part of the down tube 3,
The mounting bracket 12a and the hanger bracket 13 are connected by bolts 14a. The bolt holes 15c are aligned with the bolt holes of the mounting bracket 12c, and the mounting boss 11c, the hanger bracket 13, and the mounting bracket 12c are secured by the single bolt 14c.
Are combined. Thus, the front part of the engine 6 is attached to the lower part of the down tube 3.

【0015】本実施形態においては、エンジン6の前部
をダウンチューブ3下部に結合するハンガブラケット13
の幅が、エンジン6に設けられた取付ボス11a、11b、
の幅よりも十分に広く、ボルト穴15a、15b、15cにカ
ラー16a、16b、16cが設けられるので、ハンガブラケ
ット13が強固に形成され、したがってエンジンの前部は
ダウンチューブ3下部に強固に取り付けられる。
In this embodiment, a hanger bracket 13 for connecting the front portion of the engine 6 to the lower portion of the down tube 3 is provided.
Of the mounting bosses 11a, 11b, provided on the engine 6,
, And the collars 16a, 16b, 16c are provided in the bolt holes 15a, 15b, 15c, so that the hanger bracket 13 is firmly formed. Can be

【0016】本実施形態ではまた、コ字状断面のハンガ
ブラケット13の上部を覆うカバー部材17が一体に設けら
れ、ハンガブラケット13の前面、側面、および上面がす
べて覆われているので、ハンガブラケット13とエンジン
6とが一体に見え、エンジン6の前面とダウンチューブ
3との間隔が広い場合でも、重厚で強力なエンジンとい
う印象を与えることができる。全面が覆われているから
また、泥、小石等の異物が侵入するのを防止することが
できる。
In this embodiment, a cover member 17 for covering the upper part of the hanger bracket 13 having a U-shaped cross section is provided integrally, and the front, side, and upper surfaces of the hanger bracket 13 are all covered. 13 and the engine 6 can be seen integrally, and even when the distance between the front surface of the engine 6 and the down tube 3 is wide, an impression of a heavy and powerful engine can be given. Since the entire surface is covered, it is possible to prevent foreign substances such as mud and pebbles from entering.

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

【図1】図1は本発明の一実施形態が適用された自動二
輪車のフレーム構造の主要部とエンジン周辺を示す側面
図である。
FIG. 1 is a side view showing a main part of a frame structure of a motorcycle to which an embodiment of the present invention is applied and an area around an engine.

【図2】図2は図1の正面図である。FIG. 2 is a front view of FIG. 1;

【図3】図3は図1、図2中のハンガブラケットを取出
して示す拡大側面図(図4、図5、図6のIII-III矢視
図)である。
FIG. 3 is an enlarged side view showing the hanger bracket shown in FIGS. 1 and 2 (a view taken along the line III-III in FIGS. 4, 5, and 6).

【図4】図4は図3、図5、のIV矢視背面図である。FIG. 4 is a rear view taken along the arrow IV in FIGS. 3 and 5;

【図5】図5は図3、図4のV矢視平面図である。5 is a plan view of FIG. 3 and FIG.

【図6】図6は図3のVI-VI矢視断面図である。FIG. 6 is a sectional view taken along the line VI-VI of FIG. 3;

【符号の説明】[Explanation of symbols]

1…ヘッドチューブ、2…メインフレーム、2a…垂下
部、3…ダウンチューブ、4…ロアフレーム、5…シー
トレール、6…エンジン、6a…クランクケース、7…
気化器、8…エアクリーナ、9…排気管、11b、11c…
取付ボス、12a、12c…取付ブラケット、13…ハンガブ
ラケット、14a、14b、14c…ボルト、15a、15b、15
c…ボルト穴、16a、16b、16c…カラー、17…カバー
部材。
DESCRIPTION OF SYMBOLS 1 ... Head tube, 2 ... Main frame, 2a ... Hanging part, 3 ... Down tube, 4 ... Lower frame, 5 ... Seat rail, 6 ... Engine, 6a ... Crank case, 7 ...
Vaporizer, 8 ... Air cleaner, 9 ... Exhaust pipe, 11b, 11c ...
Mounting boss, 12a, 12c: mounting bracket, 13: hanger bracket, 14a, 14b, 14c: bolt, 15a, 15b, 15
c: bolt holes, 16a, 16b, 16c: collar, 17: cover member.

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 ヘッドチューブの上部から後方へ延びる
メインフレームと、上記ヘッドチューブの下部から後下
方へ延びる一対のダウンチューブと、該ダウンチューブ
の下部を上記メインフレームの後部の垂下部の下部に接
続するほぼ水平な一対のロアフレームと、上記ダウンチ
ューブの後方に配されたエンジンとを備えた自動二輪車
において、該自動二輪車の左右対称面に沿って、上記エ
ンジンの前部と前下部にそれぞれ取付ボスが設けられ、
それら取付ボスを前方から囲む断面コ字状のハンガブラ
ケットを介して上記エンジンの前部と上記ダウンチュー
ブの下部とが互いに連結されるとともに、上記ハンガブ
ラケットには上記エンジンと上記ダウンチューブとを連
結するボルトを挿通させるカラーが設けられ、かつ該ハ
ンガブラケットの上部を覆うカバー部材が一体に設けら
れたことを特徴とする自動二輪車のエンジン取付装置。
1. A main frame extending rearward from an upper portion of a head tube, a pair of down tubes extending rearward and downward from a lower portion of the head tube, and a lower portion of the down tube being attached to a lower portion of a hanging portion at a rear portion of the main frame. In a motorcycle including a pair of substantially horizontal lower frames to be connected and an engine disposed behind the down tube, a front and a lower front of the engine are respectively provided along a left-right symmetric surface of the motorcycle. A mounting boss is provided,
The front part of the engine and the lower part of the down tube are connected to each other via a hanger bracket having a U-shaped cross section surrounding the mounting boss from the front, and the engine and the down tube are connected to the hanger bracket. A motorcycle engine mounting device, comprising: a collar through which a bolt to be inserted is provided; and a cover member that covers an upper portion of the hanger bracket.
【請求項2】 上記ハンガブラケットの内面の幅が上記
取付ボスの幅よりも広いことを特徴とする請求項1記載
の自動二輪車のエンジン取付装置。
2. The motorcycle engine mounting apparatus according to claim 1, wherein the width of the inner surface of the hanger bracket is wider than the width of the mounting boss.
【請求項3】 上記ハンガブラケットの前面、側面およ
び上面がすべて覆われていることを特徴とする請求項1
記載の自動二輪車のエンジン取付装置。
3. The hanger bracket according to claim 1, wherein the front, side and top surfaces of the hanger bracket are all covered.
A motorcycle engine mounting device according to any one of the preceding claims.
JP2001092806A 2001-03-28 2001-03-28 Motorcycle engine mounting device Expired - Fee Related JP4145499B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001092806A JP4145499B2 (en) 2001-03-28 2001-03-28 Motorcycle engine mounting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001092806A JP4145499B2 (en) 2001-03-28 2001-03-28 Motorcycle engine mounting device

Publications (2)

Publication Number Publication Date
JP2002284080A true JP2002284080A (en) 2002-10-03
JP4145499B2 JP4145499B2 (en) 2008-09-03

Family

ID=18947211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001092806A Expired - Fee Related JP4145499B2 (en) 2001-03-28 2001-03-28 Motorcycle engine mounting device

Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010038586A1 (en) * 2008-09-30 2010-04-08 本田技研工業株式会社 Engine suspension structure for two-wheeled motor vehicle
CN101817387A (en) * 2009-02-27 2010-09-01 光阳工业股份有限公司 Support structure of motorcycle engine
JP2010195223A (en) * 2009-02-25 2010-09-09 Honda Motor Co Ltd Engine suspension structure for motorcycle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010038586A1 (en) * 2008-09-30 2010-04-08 本田技研工業株式会社 Engine suspension structure for two-wheeled motor vehicle
CN102227348A (en) * 2008-09-30 2011-10-26 本田技研工业株式会社 Engine suspension structure for two-wheeled motor vehicle
JP2010195223A (en) * 2009-02-25 2010-09-09 Honda Motor Co Ltd Engine suspension structure for motorcycle
CN101817387A (en) * 2009-02-27 2010-09-01 光阳工业股份有限公司 Support structure of motorcycle engine

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