JP4225497B2 - Crew restraint device for motorcycles - Google Patents

Crew restraint device for motorcycles Download PDF

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Publication number
JP4225497B2
JP4225497B2 JP2004182374A JP2004182374A JP4225497B2 JP 4225497 B2 JP4225497 B2 JP 4225497B2 JP 2004182374 A JP2004182374 A JP 2004182374A JP 2004182374 A JP2004182374 A JP 2004182374A JP 4225497 B2 JP4225497 B2 JP 4225497B2
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handle
pipe
occupant
restraint device
pad
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JP2006001499A (en
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和彦 角田
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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本発明は、二輪車の乗員制止装置に係り、特に、乗員の車体前方への移動を制限する二輪車の乗員制止装置に関する。   The present invention relates to an occupant restraining device for a two-wheeled vehicle, and more particularly to an occupant restraining device for a two-wheeled vehicle that restricts movement of the occupant forward of a vehicle body.

自動二輪車において、乗員の車体前方への移動を制止する技術として、特許文献1には、二輪車のメータパネル近傍にエアバックを配置し、衝撃を検知してエアバッグを作動させる技術が開示されている。
特開平11−278342号公報
In a motorcycle, as a technique for restraining a passenger from moving forward in the vehicle body, Patent Document 1 discloses a technique in which an airbag is disposed near a meter panel of a motorcycle, and an airbag is activated by detecting an impact. Yes.
JP-A-11-278342

特許文献1の技術では、乗員の移動を制止するための荷重を全て胸部パッドで吸収しなければならないので、胸部パッドを大型化しなければならなかった。特許文献2の技術では、エアバッグユニットやその制御ユニットを搭載するためのスペースをメータパネルの近傍に確保しなければならず、また加速度センサも取り付けなければならないので、小型の二輪車への適用は困難であった。   In the technique of Patent Document 1, since all the loads for stopping the movement of the occupant must be absorbed by the chest pad, the chest pad has to be enlarged. In the technology of Patent Document 2, a space for mounting the airbag unit and its control unit must be secured near the meter panel, and an acceleration sensor must be attached. It was difficult.

本発明の目的は、上記した従来技術の課題を解決し、小型車両への適用が容易であり、かつパッドを大型化することなく乗員に加わる荷重を低減できる二輪車の乗員制止装置を提供することにある。   An object of the present invention is to solve the above-described problems of the prior art, and to provide an occupant restraint device for a two-wheeled vehicle that can be easily applied to a small vehicle and can reduce a load applied to the occupant without increasing the size of a pad. It is in.

上記した目的を達成するために、本発明は、二輪車の乗員の車体前方への移動を制限する乗員移動制止装置において、以下のような手段を講じた点に特徴がある。
(1)乗員と対向するようにハンドルに装着された制止パッドと、ヘッドパイプにより操向自在に支承されたパイプ状の操向部材と、前記ハンドルを前記操向部材と連結するパイプ状のハンドル連結部材と、制止パッドに加わる前向き荷重を吸収してハンドル連結部材を所定位置で前傾に変形させる蛇腹状圧潰性体とを含むことを特徴とする。
(2)ハンドル連結部材の前傾量を制限する補強部材を含むことを特徴とする。
In order to achieve the above-described object, the present invention is characterized in that the following measures are taken in an occupant movement restraining device that restricts the movement of the occupant of a two-wheeled vehicle toward the front of the vehicle body.
(1) A restraining pad attached to the handle so as to face the occupant, a pipe-like steering member supported so as to be steerable by a head pipe, and a pipe-like handle connecting the handle to the steering member It includes a connecting member and a bellows-like collapsible body that absorbs a forward load applied to the restraining pad and deforms the handle connecting member forwardly at a predetermined position.
(2) It includes a reinforcing member that limits the forward tilting amount of the handle connecting member.

(1)請求項1の発明によれば、制止パッドに加わる荷重の一部が、蛇腹状圧潰性体を変形させてハンドル連結部材を前傾させるエネルギとして消費・吸収されるので、乗員に加わる荷重を低減することができる。
(2)請求項2の発明によれば、ハンドル連結部材の前傾量が制限されるので、制止パッドの位置を所定の高さ以上に維持できる。
(1) According to the invention of claim 1, a part of the load applied to the restraining pad is consumed and absorbed as energy for deforming the bellows-like collapsible body and tilting the handle connecting member forward. The load can be reduced.
(2) According to the invention of claim 2, since the forward tilting amount of the handle connecting member is limited, the position of the stop pad can be maintained at a predetermined height or more.

以下、図面を参照して本発明の好ましい実施の形態について詳細に説明する。図1は、本発明の乗員制止装置を適用したスクータ型自動二輪車の側面図であり、車体フレーム10は、ヘッドパイプ11が前端部に固着されたメインフレームパイプ12と、このメインフレームパイプ12の後端部に直角かつ水平に固着されたクロスパイプ13と、このクロスパイプ13の両端部に前端がそれぞれ連設された左右一対のリヤフレームパイプ14(14L,14R)とを主要な構成としている。   Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a side view of a scooter type motorcycle to which an occupant restraint device according to the present invention is applied. A vehicle body frame 10 includes a main frame pipe 12 having a head pipe 11 fixed to a front end portion thereof, and the main frame pipe 12. A cross pipe 13 fixed at right angles and horizontally to the rear end portion and a pair of left and right rear frame pipes 14 (14L, 14R) having front ends connected to both ends of the cross pipe 13 are mainly configured. .

前記メインフレームパイプ12は、ヘッドパイプ11から後ろ下がりに傾斜したダウンフレーム部12aと、ダウンフレーム部12aの後端からほぼ水平にして後方へ延びたロアフレーム部12bとを一体に連設して構成される。前記クロスパイプ13は車体フレーム10の左右方向に延設され、このクロスパイプ13の中央部に前記メインフレームパイプ12の後端部が直角に固着される。前記左右一対のリヤフレームパイプ14は、前記クロスパイプ13の両端部から後ろ上がりに延びるライズフレーム部14aと、このライズフレーム部14aの後端からほぼ水平にして後方に延びると共に後端部開口が相互に対向するように水平面内で彎曲するアッパーフレーム部14bとを一体に連設して構成される。   The main frame pipe 12 includes a down frame portion 12a inclined downward from the head pipe 11 and a lower frame portion 12b extending substantially rearward from the rear end of the down frame portion 12a. Composed. The cross pipe 13 extends in the left-right direction of the vehicle body frame 10, and a rear end portion of the main frame pipe 12 is fixed to the central portion of the cross pipe 13 at a right angle. The pair of left and right rear frame pipes 14 includes a rise frame portion 14a that extends rearward and upward from both ends of the cross pipe 13, a rear end that is substantially horizontal from the rear end of the rise frame portion 14a, and a rear end opening. An upper frame portion 14b that bends in a horizontal plane so as to face each other is integrally connected.

前記ヘッドパイプ11には、前輪Wfを支持する操向部材としてのフロントフォーク15が操向自在に支承され、フロントフォーク15の上端には、ハンドル連結部材としてのハンドルパイプ20を介して操向ハンドル16が連結されている。前記リヤフレームパイプ14の前部には、後輪Wrの前方側に配置されたエンジンEと、後輪Wrの左側方に配置された無段変速機Mとから成るパワーユニットPが上下方向への揺動自在に支承され、後輪WrはパワーユニットPの後部に軸支されている。後輪Wrの上部左側にはエアクリーナ29が配置されている。   A front fork 15 as a steering member for supporting the front wheel Wf is supported on the head pipe 11 so as to be steerable. A steering handle is provided at the upper end of the front fork 15 via a handle pipe 20 as a handle connecting member. 16 are connected. At the front part of the rear frame pipe 14, a power unit P comprising an engine E disposed on the front side of the rear wheel Wr and a continuously variable transmission M disposed on the left side of the rear wheel Wr is provided in the vertical direction. The rear wheel Wr is pivotally supported on the rear portion of the power unit P. An air cleaner 29 is disposed on the upper left side of the rear wheel Wr.

パワーユニットPの後部と左側のリヤフレームパイプ14Lとの間にはリヤクッションユニット17が設けられている。エンジンEからの排気ガスを導く排気管18がエンジンEから後輪WRの右側方側に延出されており、この排気管18は、後輪Wrの右側方に配置される排気マフラー19に接続されている。左右のリヤフレームパイプ14の前部間には、収納ボックス25が前記エンジンEの上方に配置されるようにして支持されている。   A rear cushion unit 17 is provided between the rear portion of the power unit P and the left rear frame pipe 14L. An exhaust pipe 18 that guides exhaust gas from the engine E extends from the engine E to the right side of the rear wheel WR, and the exhaust pipe 18 is connected to an exhaust muffler 19 that is arranged on the right side of the rear wheel Wr. Has been. A storage box 25 is supported between the front portions of the left and right rear frame pipes 14 so as to be disposed above the engine E.

車体フレーム10は、合成樹脂製の車体カバー21で覆われ、この車体カバー21は、乗員の足の前方を覆うレッグシールド22と、乗員の足を載せるべくレッグシールド22の下部に連なるステップフロア23と、ステップフロア23に連なって車体後部を両側から覆うサイドカバー24とを備える。   The vehicle body frame 10 is covered with a vehicle body cover 21 made of synthetic resin. The vehicle body cover 21 includes a leg shield 22 that covers the front of the occupant's feet, and a step floor 23 that is continuous with the lower portion of the leg shield 22 to place the occupant's feet. And a side cover 24 that is connected to the step floor 23 and covers the rear part of the vehicle body from both sides.

前記収納ボックス25および燃料タンク(図示せず)は前記サイドカバー24で覆われており、収納ボックス25を上方から覆うシート26が、サイドカバー24の上部に開閉可能に取付けられている。すなわちステップフロア23は、操向ハンドル16およびシート26間に配置されるようにして車体カバー21に形成され、ステップフロア23の後端よりも下方に、パワーユニットPを車体フレーム10に揺動可能に支承するためのフレーム側ブラケット27が配置されている。   The storage box 25 and the fuel tank (not shown) are covered with the side cover 24, and a seat 26 that covers the storage box 25 from above is attached to the top of the side cover 24 so as to be openable and closable. That is, the step floor 23 is formed on the vehicle body cover 21 so as to be disposed between the steering handle 16 and the seat 26 so that the power unit P can swing on the vehicle body frame 10 below the rear end of the step floor 23. A frame side bracket 27 for supporting is arranged.

図2を併せて参照し、前記操向ハンドル16には左右一対のプレート部材31L,31Rが固定され、このプレート部材31L,31Rには、シート26に着座する乗員と対向するように制止パッド30が装着されている。この制止パッド30により、図3に示したように、制動時等に慣性で乗員が前方へ移動しても、乗員の胸部近傍が制止パッド30で押さえられ、それ以上の移動が阻止されるので、乗員の前方への移動が所定範囲内に制限される。また、本実施形態では制止パッド30に所定の基準値を超える前方荷重が加わった際に、これを吸収して乗員に加わる荷重を緩和する荷重吸収部が前記ハンドルパイプ20に付加されている。   Referring also to FIG. 2, a pair of left and right plate members 31L and 31R are fixed to the steering handle 16, and the restraining pad 30 is opposed to the plate members 31L and 31R so as to face an occupant seated on the seat 26. Is installed. As shown in FIG. 3, even if the occupant moves forward due to inertia during braking or the like, the restraining pad 30 holds the occupant's chest near the restraining pad 30 and prevents further movement. The forward movement of the occupant is limited within a predetermined range. In the present embodiment, when a forward load exceeding a predetermined reference value is applied to the restraining pad 30, a load absorbing portion is added to the handle pipe 20 that absorbs the load and relaxes the load applied to the occupant.

図4は、前記荷重吸収部の断面図であり、前記と同一の符号は同一または同等部分を表している。   FIG. 4 is a cross-sectional view of the load absorbing portion, and the same reference numerals as those described above represent the same or equivalent portions.

ヘッドパイプ11には、その内側に肉厚のフロントフォーク15が挿貫されて軸受部材34により操向自在に支承されている。前記フロントフォーク15の上端には、その外側にハンドルパイプ20の下端が挿貫固定され、ハンドルパイプ20の前記挿貫されたフロントフォーク15の上端部近傍には蛇腹状圧潰性体32が形成されている。   A thick front fork 15 is inserted inside the head pipe 11 and supported by a bearing member 34 so as to be steerable. At the upper end of the front fork 15, the lower end of the handle pipe 20 is inserted and fixed outside, and a bellows-like collapsible body 32 is formed near the upper end of the inserted front fork 15 of the handle pipe 20. ing.

このような構成において、前記制止パッド30に所定の基準値を超える前向き荷重が加わると、前記フロントフォーク15よりも肉薄のハンドルパイプ20が撓みはじめる。応力が蛇腹状圧潰性体32の応力限界を超えると、図5に示したように、蛇腹状圧潰性体32の前部側が潰れて後部側が伸びる塑性変形が始まり、ハンドルパイプ20が前方へ屈曲し始める。   In such a configuration, when a forward load exceeding a predetermined reference value is applied to the stop pad 30, the handle pipe 20 thinner than the front fork 15 starts to bend. When the stress exceeds the stress limit of the bellows-like collapsible body 32, as shown in FIG. 5, the plastic deformation in which the front side of the bellows-like collapsible body 32 is crushed and the rear side is extended starts, and the handle pipe 20 is bent forward. Begin to.

図8は、前記制止パッド30の前方への移動量と乗員の胸部に加わる荷重との関係を示した図であり、前記蛇腹状圧潰性体32がハンドルパイプ20に設けられていなければ、同図に破線で示したように、応力が降伏点を超えた時点でハンドルパイプ20が破断して弾性を維持できなくなり、制止パッド30に加わる荷重が逃げてしまう。   FIG. 8 is a diagram showing the relationship between the amount of forward movement of the restraining pad 30 and the load applied to the chest of the occupant. If the bellows-like collapsible body 32 is not provided on the handle pipe 20, FIG. As indicated by the broken line in the figure, when the stress exceeds the yield point, the handle pipe 20 breaks and cannot maintain elasticity, and the load applied to the stop pad 30 escapes.

これに対して、本実施形態ではハンドルパイプ20に蛇腹状圧潰性体32が設けられているので、その塑性変形が始まった以降もハンドルパイプ20は破断することなく弾性を維持できる。したがって、前記制止パッド30の前方への移動量と乗員の胸部に加わる荷重との関係は、図8に実線で示したように、ハンドルパイプ20が降伏点を超えた以降も略一定に保たれるので、ハンドルパイプ20の応力限界を超える荷重が前記制止パッド30に加わった場合でも、当該荷重の一部を吸収して乗員に加わる荷重を減じることができる。   On the other hand, in the present embodiment, the handle pipe 20 is provided with the bellows-like collapsible body 32, so that the handle pipe 20 can maintain elasticity without breaking even after the plastic deformation starts. Therefore, the relationship between the amount of forward movement of the stop pad 30 and the load applied to the occupant's chest is kept substantially constant after the handle pipe 20 exceeds the yield point, as shown by the solid line in FIG. Therefore, even when a load exceeding the stress limit of the handle pipe 20 is applied to the restraining pad 30, a part of the load can be absorbed and the load applied to the occupant can be reduced.

ところで、上記した実施形態では、ハンドルパイプ20がフロントフォーク15の上部部近傍を支点として屈曲するために、制止パッド30の移動量が大きくなるにしたがって、その位置が低くなってしまう。そこで、図6に示したように、本実施形態ではハンドルパイプ20の前記屈曲部よりも下側、あるいはヘッドパイプ11に対して、前記ハンドルパイプ20の傾斜角度すなわち制止パッド30の移動量を制限する補強部材28を設けている。これにより、制止パッド30に大きな前向き加重が加わっても、制止パッド30の位置を所定の高さ以上に保つことができるようになる。   By the way, in the above-described embodiment, the handle pipe 20 bends with the vicinity of the upper portion of the front fork 15 as a fulcrum, so that the position of the stop pipe 30 decreases as the amount of movement of the stop pad 30 increases. Therefore, as shown in FIG. 6, in this embodiment, the inclination angle of the handle pipe 20, that is, the amount of movement of the stop pad 30 is limited to the lower side of the bent portion of the handle pipe 20 or the head pipe 11. A reinforcing member 28 is provided. Thereby, even if a large forward load is applied to the stop pad 30, the position of the stop pad 30 can be maintained at a predetermined height or more.

なお、上記した実施形態では操向ハンドル16とフロントフォーク15とを連結するハンドルパイプ20に蛇腹状圧潰性体32を設ける場合を例にして説明したが、本発明はこれのみに限定されるものではなく、図7に一例を示したように、ハンドル16が左右一対のハンドル16L,16Rにより構成されて前記ハンドルパイプ20を兼ねる構造の二輪車であれば、破線丸印で囲んだ左右のハンドル部材16L,16Rの付け根部分Aに前記蛇腹状圧潰性体32をそれぞれ設けても良い。   In the above-described embodiment, the case where the bellows-like collapsible body 32 is provided in the handle pipe 20 that connects the steering handle 16 and the front fork 15 has been described as an example. However, the present invention is not limited to this. Instead, as shown in an example in FIG. 7, if the handle 16 is a two-wheeled vehicle constructed by a pair of left and right handles 16 </ b> L and 16 </ b> R and also serving as the handle pipe 20, the left and right handle members surrounded by a dotted circle The bellows-like collapsible bodies 32 may be provided at the base portions A of 16L and 16R, respectively.

本発明の乗員制止装置を適用したスクータ型自動二輪車の側面図である。1 is a side view of a scooter type motorcycle to which an occupant restraint device of the present invention is applied. 制止パッドが装着されるハンドルの一例を示した正面図である。It is the front view which showed an example of the handle | steering wheel with which a stop pad is mounted | worn. 制止パッドにより乗員の移動が阻止される様子を示した図である。It is the figure which showed a mode that a passenger | crew's movement was blocked | prevented by the stop pad. 蛇腹状圧潰性体を備えたハンドルパイプの断面図である。It is sectional drawing of the handle pipe provided with the bellows-like crushable body. ハンドルパイプが蛇腹状圧潰性体の伸縮により塑性変形する様子を示した断面図である。It is sectional drawing which showed a mode that a handle pipe deform | transforms plastically by expansion and contraction of a bellows-like crushable body. ハンドルパイプの傾斜角度を制限する補強部材の一例を示した断面図である。It is sectional drawing which showed an example of the reinforcement member which restrict | limits the inclination-angle of a handle pipe. 制止パッドの移動量と乗員に加わる加重との関係を示した図である。It is the figure which showed the relationship between the movement amount of a stop pad, and the load added to a passenger | crew. 制止パッドが装着されるハンドルの他の一例を示した正面図である。It is the front view which showed another example of the handle | steering wheel with which a stop pad is mounted | worn.

符号の説明Explanation of symbols

11…ヘッドパイプ,15…フロントフォーク,16…操向ハンドル,20…ハンドルパイプ,30…制止パッド,31L,31R…プレート部材,32…蛇腹状圧潰性体,34…軸受部材   DESCRIPTION OF SYMBOLS 11 ... Head pipe, 15 ... Front fork, 16 ... Steering handle, 20 ... Handle pipe, 30 ... Stop pad, 31L, 31R ... Plate member, 32 ... Bellows-like crushable body, 34 ... Bearing member

Claims (3)

二輪車の乗員の車体前方への移動を制限する乗員制止装置において、
乗員の前方側で胸部と対向するようにハンドルに装着された制止パッドと、
ヘッドパイプにより操向自在に支承されたパイプ状の操向部材と、
前記ハンドルを前記操向部材と連結するパイプ状のハンドル連結部材と、
前記制止パッドに加わる前向き荷重を吸収して前記ハンドル連結部材を所定位置で前傾に変形させる蛇腹状圧潰性体とを含むことを特徴とする二輪車の乗員制止装置。
In an occupant restraint device that restricts the movement of a motorcycle occupant forward,
A stop pad attached to the handle so as to face the chest on the front side of the occupant,
A pipe-shaped steering member supported to be freely steered by a head pipe;
A pipe-like handle connecting member for connecting the handle to the steering member;
An occupant restraining device for a two-wheeled vehicle comprising: a bellows-like collapsible body that absorbs a forward load applied to the restraining pad and deforms the handle connecting member forwardly at a predetermined position.
前記ハンドル連結部材は、前記二輪車のフロントフォークより肉薄であることを特徴とする請求項1に記載の二輪車の乗員制止装置。The occupant restraint device for a motorcycle according to claim 1, wherein the handle connecting member is thinner than a front fork of the motorcycle. 前記ハンドル連結部材の前傾量を制限する補強部材をさらに含むことを特徴とする請求項1または2に記載の二輪車の乗員制止装置。The occupant restraint device for a two-wheeled vehicle according to claim 1, further comprising a reinforcing member that limits a forward tilt amount of the handle connecting member.
JP2004182374A 2004-06-21 2004-06-21 Crew restraint device for motorcycles Expired - Fee Related JP4225497B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2004182374A JP4225497B2 (en) 2004-06-21 2004-06-21 Crew restraint device for motorcycles
TW94113847A TWI259818B (en) 2004-06-21 2005-04-29 Occupant restraining device for two-wheel vehicle
CNB2005100763761A CN100387482C (en) 2004-06-21 2005-06-10 Passenger restraining device of bicycle

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JP2004182374A JP4225497B2 (en) 2004-06-21 2004-06-21 Crew restraint device for motorcycles

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JP2006001499A JP2006001499A (en) 2006-01-05
JP4225497B2 true JP4225497B2 (en) 2009-02-18

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Publication number Priority date Publication date Assignee Title
JP4766556B2 (en) * 2006-03-31 2011-09-07 本田技研工業株式会社 Crew restraint device for motorcycles
JP4787051B2 (en) * 2006-03-31 2011-10-05 本田技研工業株式会社 Shock absorption structure for motorcycles
DE102020103208A1 (en) * 2020-02-07 2021-08-12 Autoliv Development Ab Vehicle with at least one handlebar, in particular a motorcycle, with a safety device

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GB2003096A (en) * 1977-08-24 1979-03-07 Transport Sec Of State For Motor cycle safety devices
JPH09221080A (en) * 1996-02-19 1997-08-26 Exedy Corp Suspension fork for bicycle and bicycle
JPH09315367A (en) * 1996-05-27 1997-12-09 Kayaba Ind Co Ltd Front fork
DE29806407U1 (en) * 1998-04-08 1998-08-06 Hermann Stefan Seat belt device for two-wheelers
JP3574129B2 (en) * 2001-06-20 2004-10-06 本田技研工業株式会社 Motorcycle handle structure
JP4226259B2 (en) * 2002-04-05 2009-02-18 本田技研工業株式会社 Airbag device for small vehicles

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TW200600395A (en) 2006-01-01
CN1712302A (en) 2005-12-28
TWI259818B (en) 2006-08-11
JP2006001499A (en) 2006-01-05
CN100387482C (en) 2008-05-14

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