JP2007245959A - Vehicular door device - Google Patents

Vehicular door device Download PDF

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Publication number
JP2007245959A
JP2007245959A JP2006072962A JP2006072962A JP2007245959A JP 2007245959 A JP2007245959 A JP 2007245959A JP 2006072962 A JP2006072962 A JP 2006072962A JP 2006072962 A JP2006072962 A JP 2006072962A JP 2007245959 A JP2007245959 A JP 2007245959A
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Prior art keywords
door
vehicle
leaf spring
door device
receiving portion
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JP2006072962A
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Japanese (ja)
Inventor
Nobuhide Umeda
宜英 梅田
Toshihide Matsumoto
利秀 松元
Mikio Aoki
幹雄 青木
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Mitsubishi Fuso Truck and Bus Corp
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Mitsubishi Fuso Truck and Bus Corp
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Priority to JP2006072962A priority Critical patent/JP2007245959A/en
Publication of JP2007245959A publication Critical patent/JP2007245959A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicular door device having a stool capable of being certainly and quickly moved to a deployment position when the door is opened. <P>SOLUTION: The vehicular door device has the door 13 turned around a hinge 15; and the stool 32 provided below the door 13. The stool 32 is moved from a storage position to a development position in a vehicle outside direction while being interlocked to an opening of the door 13 and constitutes a part of a bumper 84 at the storage position. The stool 32 is urged toward the vehicle outer side direction by a spring. An engagement member 90 is provided at the lower end of the door 13. The engagement member 90 is downwardly extended from the door 13 and presses an upper part of the stool 32 toward a vehicle inner direction in a state that the stool 32 is positioned at the storage position and the door 13 is closed. The engagement member 90 has a pressing plate 91 fixed to a lower part of the door 13 and a laminated leaf spring 92 mounted to the pressing plate 91 and presses the stool 32 toward the vehicle inner direction through the laminated leaf spring 92. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、例えばバス等の車両の非常扉に適したステップ装置を有する車両用扉装置に関する。   The present invention relates to a vehicle door device having a step device suitable for an emergency door of a vehicle such as a bus.

バス等の車両の非常口に非常扉が設けられている。地上から非常口の床面までの高さが比較的高い場合に、乗員の降車を補助するためにステップ装置を設けることが望まれている。   An emergency door is provided at an emergency exit of a vehicle such as a bus. When the height from the ground to the floor of the emergency exit is relatively high, it is desired to provide a step device to assist the passenger to get off.

例えば下記特許文献1に記載されている車両用非常ドア装置では、非常ドアの内側にステップを上下方向に回動可能に配置し、非常ドアを開けたときにステップが回動降下するように構成されている。   For example, in the emergency door device for a vehicle described in Patent Document 1 below, a step is disposed inside the emergency door so as to be pivotable in the vertical direction, and the step is pivoted and lowered when the emergency door is opened. Has been.

また特許文献2に記載されている非常扉装置は、非常扉の下方に上下方向に回動可能な上部扉を設け、この上部扉をロック機構によって収納位置に保持し、非常扉を開放した時に前記ロック機構がロック解除されることにより、上部扉が展開位置まで回動降下するように構成されている。
実公平4−2814号公報 実開平6−36927号公報
In addition, the emergency door device described in Patent Document 2 is provided with an upper door that is pivotable in the vertical direction below the emergency door, and when the emergency door is opened by holding the upper door in a storage position by a lock mechanism. When the lock mechanism is unlocked, the upper door is configured to pivot down to the deployed position.
Japanese Utility Model Publication No.4-2814 Japanese Utility Model Publication No. 6-36927

前記特許文献1の非常ドア装置では、非常時以外は上下のステップを非常ドアによって覆う必要があるため、非常ドアの上下方向の寸法が大きくなる。また、非常ドアを閉めた状態においてステップが非常ドアによって収納位置に押圧されるため、ステップから受ける反力が大きいと非常ドアのヒンジ部などに過剰な負荷がかかる。このためヒンジ部に不具合が生じたり、非常ドアが開きにくくなったりする懸念がある。   In the emergency door device of Patent Document 1, since the upper and lower steps need to be covered by the emergency door except in an emergency, the vertical dimension of the emergency door is increased. Further, since the step is pressed to the storage position by the emergency door in a state where the emergency door is closed, an excessive load is applied to the hinge portion of the emergency door or the like when the reaction force received from the step is large. For this reason, there is a concern that a malfunction may occur in the hinge part or the emergency door is difficult to open.

前記特許文献2の非常扉装置は、非常扉が開放されたときにロックピンを移動させ、該ロックピンの移動に応じて回動部材を回動させ、さらにロッド等の力伝達機構を介して、ロック機構をロック解除方向に動作させている。このため非常扉の開放動作をロック機構に伝えるための力の伝達経路が複雑で部品数も多くなり、その分、故障の原因となる箇所が増える。   The emergency door device of Patent Document 2 moves a lock pin when the emergency door is opened, rotates a rotating member in accordance with the movement of the lock pin, and further via a force transmission mechanism such as a rod. The locking mechanism is operated in the unlocking direction. For this reason, the force transmission path for transmitting the emergency door opening operation to the lock mechanism is complicated and the number of parts increases, and the number of parts that cause failure increases accordingly.

したがって本発明の目的は、踏み台がバンパーの一部をなすことができ、扉が開いたときに踏み台が展開位置に向って確実に移動でき、しかも扉のヒンジ部や踏み台等に過剰な負荷がかかることを防止できる車両用扉装置を提供することにある。   Therefore, the object of the present invention is that the step platform can form a part of the bumper, and when the door is opened, the step platform can surely move toward the deployed position, and an excessive load is applied to the hinge portion or the step platform of the door. It is providing the vehicle door apparatus which can prevent this.

本発明の車両用扉装置は、車体に設けられたヒンジを中心に回動する扉と、前記扉の下方に設けられ、前記扉の開放に連動して収納位置から車両外方向の展開位置に移動可能で該車両のバンパーの一部をなす踏み台と、前記踏み台を車両外方向に向けて付勢する弾性部材と、前記扉の下端から下方に延在し、前記踏み台が前記収納位置にありかつ前記扉が閉じた状態において前記踏み台の上部の受け部を車両内方向に向けて押圧する係合部材とを具備している
本発明の好ましい形態では、前記扉は、アウタパネルと、外周部が前記アウタパネルに接合されかつ車室内側に膨出する膨出部を有するインナパネルとによって構成され、前記係合部材が前記インナパネルの前記膨出部の下部の底壁に固定されている。
The door device for a vehicle according to the present invention includes a door that rotates about a hinge provided on a vehicle body, and a door that is provided below the door. A movable platform that is part of a bumper of the vehicle, an elastic member that urges the platform toward the outside of the vehicle, and extends downward from a lower end of the door, and the platform is in the storage position. And an engaging member that presses the receiving portion at the upper part of the step toward the in-vehicle direction when the door is closed. In a preferred embodiment of the present invention, the door includes an outer panel and an outer peripheral portion. The inner panel is joined to the outer panel and has a bulging portion that bulges toward the vehicle interior side, and the engaging member is fixed to the bottom wall of the lower portion of the bulging portion of the inner panel.

前記係合部材は、例えば、前記扉の下部に固定される抑えプレートと、該抑えプレートの車室内側の面で前記踏み台の前記受け部に対向する部位に取付けられた弾性部材とを有している。   The engaging member includes, for example, a holding plate fixed to a lower portion of the door, and an elastic member attached to a portion of the holding plate facing the receiving portion of the step platform on a surface on the vehicle interior side. ing.

この弾性部材の一例は、帯状で互いに長さの異なる複数枚の板ばね部材を含み、これら板ばね部材のうち一番長い板ばね部材が前記踏み台の前記受け部に当接し、該受け部から前記抑えプレートに向って順次短い板ばね部材を厚み方向に重ねて構成される重ね板ばねである。   An example of this elastic member includes a plurality of leaf spring members that are belt-like and have different lengths, and the longest leaf spring member of these leaf spring members abuts on the receiving portion of the step platform, and It is a lap leaf spring constituted by sequentially stacking short leaf spring members in the thickness direction toward the holding plate.

本発明の好ましい形態では、前記踏み台の前記受け部に、前記板ばね部材と接する部位を覆うカバープレートが配置され、該カバープレートには前記受け部の端縁を覆うべくカールした形状の縁部が形成されているとよい。   In a preferred embodiment of the present invention, a cover plate that covers a portion in contact with the leaf spring member is disposed at the receiving portion of the platform, and the cover plate has an edge portion that is curled to cover the edge of the receiving portion. Is good to be formed.

本発明によれば、前記扉が閉位置にあるとき、すなわち前記踏み台の収納時に踏み台がバンパーの一部をなすため、踏み台を有していても収納時の外観が悪くならない。また前記扉が開いたときに扉側の係合部材が踏み台の受け部から離れることにより、弾性部材の弾力によって踏み台が展開位置まで移動することができる。本発明の扉装置は、扉が開かないと踏み台が展開位置まで移動しないので、走行中あるいは停車中において何らかの原因により踏み台が出ることが無く安全である。   According to the present invention, when the door is in the closed position, that is, when the step is stored, the step is a part of the bumper. Therefore, even when the step is included, the appearance when stored is not deteriorated. Further, when the door is opened, the engagement member on the door side is separated from the receiving part of the step, so that the step can be moved to the deployed position by the elasticity of the elastic member. The door device of the present invention is safe because the platform does not move to the deployed position unless the door is opened.

扉がアウタパネルとインナパネルとによって構成されている場合、該インナパネルの膨出部の下部の底壁は剛性の高い部位であるため、この部位に前記係合部材を固定すれば、係合部材が踏み台から受ける反力が大きくても、扉が変形したり係合部材の位置がずれたりすることを回避できる。   When the door is constituted by an outer panel and an inner panel, the bottom wall of the lower part of the bulging portion of the inner panel is a highly rigid part. Therefore, if the engaging member is fixed to this part, the engaging member Even if the reaction force received from the platform is large, it is possible to avoid the door from being deformed or the position of the engaging member from being displaced.

前記係合部材が、抑えプレートと弾性部材とを有する構成であれば、扉を閉める際に車体側のウエザストリップが扉によって必要以上に圧縮されても、前記弾性部材が撓むことにより、踏み台からの反力を吸収することができ、扉や係合部材が変形したり損傷したりすることを回避できる。   If the engagement member has a configuration including a restraining plate and an elastic member, even when the weather strip on the vehicle body side is compressed more than necessary by the door when the door is closed, the elastic member bends, The reaction force from the step can be absorbed, and the door and the engaging member can be prevented from being deformed or damaged.

前記弾性部材が帯状で互いに長さの異なる複数枚の板ばね部材を含み、これら板ばね部材のうち一番長い板ばね部材が前記踏み台の前記受け部に当接し、該受け部から前記抑えプレートに向って順次短い板ばね部材を厚み方向に重ねた重ね板ばねであれば、各板ばね部材に応力が分散され、各板ばね部材に作用する応力を小さくすることができるので、板ばね部材への繰返し荷重に対する耐久性が向上する。このような重ね板ばねであれば、板間摩擦による振動減衰効果も期待でき、走行時の振動によって踏み台がばたつくことを抑制できる。また、扉を閉める際に車体側のウエザストリップが扉によって必要以上に圧縮されても、これら板ばね部材が撓むことができるため、踏み台からの反力を十分吸収することができ、扉や係合部材が変形したり損傷したりすることを回避できる。   The elastic member includes a plurality of leaf spring members having a band shape and different lengths, and the longest leaf spring member among the leaf spring members is in contact with the receiving portion of the stepping platform, and the restraining plate extends from the receiving portion. If a leaf spring is formed by sequentially stacking short leaf spring members in the thickness direction toward the plate, stress is distributed to each leaf spring member and the stress acting on each leaf spring member can be reduced. Improves durability against repeated loads. With such a laminated leaf spring, a vibration damping effect due to friction between the plates can be expected, and fluttering of the footrest due to vibration during travel can be suppressed. Also, even if the weather strip on the vehicle body side is compressed more than necessary when the door is closed, these leaf spring members can be bent, so that the reaction force from the step can be absorbed sufficiently, and the door And the engagement member can be prevented from being deformed or damaged.

踏み台の受け部に、前記板ばね部材と接する部位を覆うカバープレートが配置され、該カバープレートには前記受け部の端縁を覆うべくカールした形状の縁部が形成されている構成であれば、扉が開く際に前記板ばね部材の頂部等によって踏み台が傷付いたり、錆びが出たりすることを防止でき、踏み台の外観を良好に保つことができる。   A cover plate that covers a portion in contact with the leaf spring member is disposed on the receiving portion of the step, and the cover plate has a curled edge to cover the edge of the receiving portion. When the door is opened, it is possible to prevent the step board from being damaged or rusted by the top part of the leaf spring member, and the appearance of the step board can be kept good.

以下に本発明の一実施形態に係る車両用扉装置について、図1〜図10を参照して説明する。
図1はバス等の車両10の後部を示している。この車両10の車体11の後部に非常扉12が設けられている。図1は非常扉12を閉じた状態(閉扉状態)、図2は非常扉12を開けた状態(開扉状態)を示している。
A vehicle door device according to an embodiment of the present invention will be described below with reference to FIGS.
FIG. 1 shows a rear portion of a vehicle 10 such as a bus. An emergency door 12 is provided at the rear portion of the vehicle body 11 of the vehicle 10. FIG. 1 shows a state where the emergency door 12 is closed (door closed state), and FIG. 2 shows a state where the emergency door 12 is opened (door open state).

非常扉12は左右一対の扉13,14を有している。第1の扉13は、車体11の背面の左側に設けられたヒンジ15の垂直方向の軸を中心に、閉位置と開位置にわたり左右方向に回動可能に支持されている。この第1の扉13は、第2の扉14よりも先に開く「先びらき扉」である。第2の扉14は、車体11の背面の右側に設けられたヒンジ16の垂直方向の軸を中心に、閉位置と開位置とにわたり左右方向に回動可能に支持されている。第2の扉14は、第1の扉13に続いて開く「後びらき扉」である。   The emergency door 12 has a pair of left and right doors 13 and 14. The first door 13 is supported so as to be pivotable in the left-right direction over a closed position and an open position about a vertical axis of a hinge 15 provided on the left side of the rear surface of the vehicle body 11. The first door 13 is a “front door” that opens before the second door 14. The second door 14 is supported so as to be pivotable in the left-right direction over a closed position and an open position about a vertical axis of a hinge 16 provided on the right side of the back surface of the vehicle body 11. The second door 14 is a “rear door” that opens after the first door 13.

前記扉13,14を開位置に移動させた状態において、図2に示されるように車体11の背面に非常口20が開口する。非常口20の下部に、車体11の床の後端部を構成する車体部材21が車体11の幅方向に延びている。非常口20の開口の周りには、扉13,14を閉めたときに扉13,14が当る部分に、ゴム状弾性材料からなるウエザストリップ22(図4と図5に示す)が設けられている。   In the state where the doors 13 and 14 are moved to the open position, the emergency exit 20 opens on the back surface of the vehicle body 11 as shown in FIG. A vehicle body member 21 constituting a rear end portion of the floor of the vehicle body 11 extends in the width direction of the vehicle body 11 below the emergency exit 20. Around the opening of the emergency exit 20, a weather strip 22 (shown in FIGS. 4 and 5) made of a rubber-like elastic material is provided at a portion where the doors 13 and 14 come into contact when the doors 13 and 14 are closed. Yes.

非常口20の下方に、ステップ装置30が設けられている。このステップ装置30と非常扉12とによって、本発明に係る車両用扉装置が構成されている。
図3に拡大して示すように、ステップ装置30は、以下に説明する支持構体31と、踏み台32と、弾性部材の一例であるねじりコイルばね33などを備えている。図4は踏み台32が収納位置にある状態を示し、図5は踏み台32が展開位置まで移動した状態を示している。
A step device 30 is provided below the emergency exit 20. The step device 30 and the emergency door 12 constitute a vehicle door device according to the present invention.
As shown in FIG. 3 in an enlarged manner, the step device 30 includes a support structure 31, which will be described below, a step platform 32, a torsion coil spring 33 which is an example of an elastic member, and the like. FIG. 4 shows a state in which the step platform 32 is in the storage position, and FIG. 5 shows a state in which the step platform 32 has moved to the deployed position.

支持構体31は、左右一対のブラケット部材40,41と、これらブラケット部材40,41を互いに連結する連結部材42を有している。ブラケット部材40,41は、車体11の下部構造を構成する車体フレーム43に固定される。この車体フレーム43は、車体11の幅方向に延びている。   The support structure 31 includes a pair of left and right bracket members 40 and 41 and a connecting member 42 that connects the bracket members 40 and 41 to each other. The bracket members 40 and 41 are fixed to a vehicle body frame 43 that constitutes a lower structure of the vehicle body 11. The vehicle body frame 43 extends in the width direction of the vehicle body 11.

ブラケット部材40,41は、それぞれ、車体フレーム43に固定される基部45と、基部45から車体後方に突き出る一対の腕部46と、腕部46の下部に設けられた下部壁47と、腕部46の先端から下方に延びる縦壁部48と有し、一対の縦壁部48間に、水平方向に延びる軸部50が設けられている。ブラケット部材40,41どうしが剛性の高い連結部材42によって結合されているため、この支持構体31の剛性は大きく、従って左右一対の軸部50の回転中心X(図3に示す)が互いにずれることを防止できる。   Each of the bracket members 40 and 41 includes a base portion 45 fixed to the vehicle body frame 43, a pair of arm portions 46 protruding from the base portion 45 toward the rear of the vehicle body, a lower wall 47 provided at a lower portion of the arm portion 46, and an arm portion. A vertical wall portion 48 extending downward from the tip of 46 is provided, and a shaft portion 50 extending in the horizontal direction is provided between the pair of vertical wall portions 48. Since the bracket members 40 and 41 are coupled to each other by the coupling member 42 having high rigidity, the rigidity of the support structure 31 is large, and therefore the rotation centers X (shown in FIG. 3) of the pair of left and right shaft portions 50 are shifted from each other. Can be prevented.

踏み台32は、人の足が乗る踏み面として機能するプレート部材60と、プレート部材60の両側部に設けられた可動フレーム61,62と、プレート部材60を補強するために可動フレーム61,62間に設けられた補強部材63(図4と図5に示す)と、プレート部材60の裏面側に配置された外装板64などによって構成されている。図5においてプレート部材60の上面側が踏み面である。プレート部材60の踏み面には、滑り止め手段として例えば多数の凸条からなる滑り止め部65(図3に示す)が形成されている。   The step platform 32 includes a plate member 60 that functions as a tread surface on which a person's foot rides, movable frames 61 and 62 provided on both sides of the plate member 60, and movable frames 61 and 62 for reinforcing the plate member 60. The reinforcing member 63 (shown in FIGS. 4 and 5) provided on the outer surface of the plate member 60, the exterior plate 64 disposed on the back side of the plate member 60, and the like. In FIG. 5, the upper surface side of the plate member 60 is a tread surface. On the tread surface of the plate member 60, for example, a non-slip portion 65 (shown in FIG. 3) made up of a number of ridges is formed as anti-slip means.

プレート部材60と、可動フレーム61,62と、補強部材63が互いに溶接等によって結合されることにより、剛性の高い踏み台32が構成されている。可動フレーム61,62は、軸部50を中心として、図4に示す収納位置から図5に示す展開位置に向って上下方向に回動することできる。図4に示すように踏み台32が収納位置にあるとき、踏み台32の重心G(図4に示す)は、軸部50の回転中心Xに対して車両外方向に距離Lだけオフセットした位置にある。このため踏み台32の重量(自重)は、常に踏み台32を展開位置に向って回動降下させる方向に働くことになる。   The plate member 60, the movable frames 61 and 62, and the reinforcing member 63 are coupled to each other by welding or the like, whereby the highly rigid step 32 is configured. The movable frames 61 and 62 can be rotated in the vertical direction from the storage position shown in FIG. 4 toward the unfolded position shown in FIG. As shown in FIG. 4, when the step 32 is in the retracted position, the center of gravity G (shown in FIG. 4) of the step 32 is at a position offset from the rotation center X of the shaft portion 50 by the distance L in the vehicle outward direction. . For this reason, the weight (self-weight) of the step platform 32 always works in a direction in which the step platform 32 is rotated and lowered toward the deployment position.

踏み台32は、軸部50に巻装されたねじりコイルばね33によって、図5に示す展開位置、すなわち踏み台32を回動降下させる方向に常時付勢されている。ねじりコイルばね33の一端33aは支持構体31に係止され、他端33bが踏み台32に係止されている。このねじりコイルばね33は、踏み台32が展開位置まで移動した状態においても、なお踏み台32を下方に付勢するように、ねじりトルクを蓄えた状態で軸部50に巻装されている。   The step platform 32 is always urged by the torsion coil spring 33 wound around the shaft portion 50 in the unfolded position shown in FIG. One end 33 a of the torsion coil spring 33 is locked to the support structure 31, and the other end 33 b is locked to the step platform 32. The torsion coil spring 33 is wound around the shaft portion 50 in a state where the torsion torque is accumulated so that the step 32 is biased downward even when the step 32 is moved to the deployed position.

踏み台32が図4に示す収納位置にあるとき、ねじりコイルばね33の反発荷重は、踏み台32が図5に示す展開位置にあるときよりも増加する。このため踏み台32が収納位置にあるとき、踏み台32を強制的に回動降下させるに足るエネルギーが蓄えられる。しかも踏み台32が展開位置まで回動しても、ねじりコイルばね33の反発荷重(ねじりトルク)によって踏み台32は下方に付勢されることになる。なお、ねじりコイルばね33は左右一対の軸部50の一方のみに設けられていてもよい。   When the step 32 is in the storage position shown in FIG. 4, the repulsive load of the torsion coil spring 33 is larger than when the step 32 is in the deployed position shown in FIG. 5. For this reason, when the step 32 is in the stowed position, sufficient energy is stored to force the step 32 to rotate and descend. Moreover, even if the step 32 is rotated to the deployed position, the step 32 is biased downward by the repulsive load (torsion torque) of the torsion coil spring 33. The torsion coil spring 33 may be provided only on one of the pair of left and right shaft portions 50.

図4に示すように、車体部材21の後面に収納時ストッパ66が設けられている。収納時ストッパ66は例えばゴムなどの弾性部材を有し、踏み台32が図4に示す収納位置まで立ち上がった状態において、プレート部材60の上端部が当接することにより、踏み台32がそれ以上回動することを阻止する機能を果たす。   As shown in FIG. 4, a storage stopper 66 is provided on the rear surface of the vehicle body member 21. The storage stopper 66 has an elastic member such as rubber, for example. When the step 32 is raised to the storage position shown in FIG. 4, the upper end of the plate member 60 comes into contact with the step 32 so that the step 32 further rotates. It serves to prevent this.

このステップ装置30は、踏み台32が図5に示す展開位置まで移動したときにプレート部材60をほぼ水平な姿勢に保持するためのストッパ手段70を備えている。ストッパ手段70は、踏み台32の可動フレーム61,62の一部を軸部50に対してプレート部材60の反対側に延在させた延出部72と、延出部72に取付けたゴム等の弾性材料からなる緩衝部材73と、踏み台32が展開位置まで回動降下した状態において前記緩衝部材73に当接する支持面74などからなる。   The step device 30 includes stopper means 70 for holding the plate member 60 in a substantially horizontal posture when the step 32 is moved to the unfolded position shown in FIG. The stopper means 70 includes an extended portion 72 in which a part of the movable frames 61 and 62 of the step platform 32 extends to the opposite side of the plate member 60 with respect to the shaft portion 50, and rubber or the like attached to the extended portion 72. A buffer member 73 made of an elastic material, and a support surface 74 that contacts the buffer member 73 in a state where the footrest 32 is pivoted and lowered to the deployed position.

前記支持面74は、支持構体31の一部である下部壁47の下面側に形成されている。踏み台32が展開位置まで回動降下すると、延出部72が緩衝部材73を介して支持面74に下側から当接することにより、踏み面すなわちプレート部材60の上面がほぼ水平な姿勢に保たれるようになっている。   The support surface 74 is formed on the lower surface side of the lower wall 47 that is a part of the support structure 31. When the step 32 is rotated and lowered to the deployed position, the extending portion 72 contacts the support surface 74 via the buffer member 73 from below, so that the step surface, that is, the upper surface of the plate member 60 is maintained in a substantially horizontal posture. It is supposed to be.

前記車体部材21に、インターロック手段の一部を構成するスイッチ80が取付けられている。このスイッチ80は、例えばソレノイド等のアクチュエータ81に電気的に接続されている。踏み台32が図4に示す収納位置にあるとき、踏み台32に設けられている当接部材82(図3に示す)がスイッチ80に当たることにより、スイッチ80が第1の状態となる。踏み台32が図5に示す展開位置の方向に移動すると、当接部材82がスイッチ80から離れることにより、スイッチ80が第2の状態に切換わる。   A switch 80 constituting a part of the interlock means is attached to the vehicle body member 21. The switch 80 is electrically connected to an actuator 81 such as a solenoid. When the step 32 is in the storage position shown in FIG. 4, the contact member 82 (shown in FIG. 3) provided on the step 32 hits the switch 80, so that the switch 80 is in the first state. When the step 32 moves in the direction of the unfolded position shown in FIG. 5, the contact member 82 is separated from the switch 80, so that the switch 80 is switched to the second state.

スイッチ80が前記第1の状態のとき、すなわち踏み台32が収納位置にあるとき、アクチュエータ81は作動せず、車両10の走行が可能である。スイッチ80が前記第2の状態に切換わると、アクチュエータ81が作動し、例えばアクセルペダルの操作が阻止されることにより、車両10の走行が抑制される。これらスイッチ80とアクチュエータ81は、踏み台32が展開位置方向に移動したときに車両10の走行を抑制するインターロック手段を構成している。   When the switch 80 is in the first state, that is, when the step platform 32 is in the retracted position, the actuator 81 does not operate and the vehicle 10 can travel. When the switch 80 is switched to the second state, the actuator 81 is actuated, and for example, the operation of the accelerator pedal is blocked, so that the traveling of the vehicle 10 is suppressed. The switch 80 and the actuator 81 constitute an interlock means that suppresses the traveling of the vehicle 10 when the step 32 moves in the direction of the deployment position.

前記ステップ装置30は、車体11の後部のバンパー装着部に配置され、踏み台32の外装板64によってバンパー84の一部が構成されるようになっている。すなわち、車体11の後部のバンパー装着部に左右一対のバンパー部材85,86が設けられ、これらバンパー部材85,86の間に、ステップ装置30が配置されている。踏み台32の外装板64は、踏み台32が図4に示す収納位置にあるときに、バンパー部材85,86に沿う形状である。この踏み台32の外装板64とバンパー部材85,86とによって、車両10の後部のバンパー84が構成されている。   The step device 30 is disposed in a bumper mounting portion at the rear of the vehicle body 11, and a part of the bumper 84 is configured by the exterior plate 64 of the step platform 32. That is, a pair of left and right bumper members 85 and 86 are provided in the bumper mounting portion at the rear of the vehicle body 11, and the step device 30 is disposed between the bumper members 85 and 86. The exterior plate 64 of the step 32 has a shape along the bumper members 85 and 86 when the step 32 is in the storage position shown in FIG. A bumper 84 at the rear of the vehicle 10 is configured by the exterior plate 64 and the bumper members 85 and 86 of the step platform 32.

非常扉12の左右一対の扉13,14のうち、先に開く方の第1の扉13の下部に、図4〜図10に示す係合部材90が設けられている。係合部材90は、金属製の抑えプレート91と、抑えプレート91に設けた弾性部材の一例である重ね板ばね92などからなる。抑えプレート91は第1の扉13の下部にボルト93によって固定されている。重ね板ばね92の詳細については後で述べる。   Of the pair of left and right doors 13 and 14 of the emergency door 12, an engaging member 90 shown in FIGS. 4 to 10 is provided below the first door 13 that opens first. The engaging member 90 includes a metal holding plate 91 and a laminated leaf spring 92 that is an example of an elastic member provided on the holding plate 91. The holding plate 91 is fixed to the lower part of the first door 13 with bolts 93. Details of the laminated leaf spring 92 will be described later.

図6に示されるように抑えプレート91は、第1の扉13に固定される基部91aと、基部91aから下方に延びる縦壁91bとを有し、縦壁91bに重ね板ばね92が取付られている。抑えプレート91の基部91aは、第1の扉13の下部のうち、下記の強度が高い部分にボルト93によって固定されている。   As shown in FIG. 6, the holding plate 91 has a base portion 91a fixed to the first door 13 and a vertical wall 91b extending downward from the base portion 91a, and a laminated leaf spring 92 is attached to the vertical wall 91b. ing. The base 91 a of the restraining plate 91 is fixed to the lower portion of the first door 13 with the following strength by bolts 93.

扉13は、インナパネル13aとアウタパネル13bとの外周部を互いに重ね合わせて溶接等によって接合することによって構成され、しかもインナパネル13aにはプレス成形によって車室内側に膨出する膨出部13cが形成されている。このため、インナパネル13aの下部付近の膨出部13cのコーナー部分(縦壁13dと底壁13eが交わる箇所付近)は、特に強度が高い箇所である。この膨出部13cのコーナー部分の底壁13eに、抑えプレート91がボルト93によって固定されている。   The door 13 is configured by overlapping the outer peripheral portions of the inner panel 13a and the outer panel 13b and joining them by welding or the like, and the inner panel 13a has a bulging portion 13c that bulges toward the vehicle interior side by press molding. Is formed. For this reason, the corner part of the bulging part 13c near the lower part of the inner panel 13a (near the part where the vertical wall 13d and the bottom wall 13e intersect) is a part with particularly high strength. A holding plate 91 is fixed to the bottom wall 13e of the corner portion of the bulging portion 13c by bolts 93.

このように係合部材90を扉13の剛性の大きい部分、すなわちインナパネル13aの膨出部13cの底壁13eに固定したことにより、係合部材90が踏み台32から受ける反力が大きくても、扉13や抑えプレート91が変形したり、係合部材90の位置がずれたりすることを回避できるものである。   As described above, the engagement member 90 is fixed to the portion of the door 13 having a high rigidity, that is, the bottom wall 13e of the bulging portion 13c of the inner panel 13a. The door 13 and the restraining plate 91 can be prevented from being deformed and the position of the engaging member 90 from being displaced.

弾性部材の一例である重ね板ばね92は、一方の端部である固定側端部92aが、ボルト94とナット94aによって、抑えプレート91の車室内側の面で踏み台32の受け部60aに対向する部位に取付けられ、いわゆる片持はり形の板ばね装置を構成している。受け部60aは、下記のカバープレート101によって覆われている。   The laminated leaf spring 92 which is an example of an elastic member has a fixed-side end portion 92a, which is one end portion, facing the receiving portion 60a of the step platform 32 on the surface of the restraining plate 91 on the vehicle interior side by a bolt 94 and a nut 94a. A so-called cantilever-type leaf spring device is constructed. The receiving part 60a is covered with a cover plate 101 described below.

図9に示すように、重ね板ばね92は、ばね製を有するステンレス鋼などの錆びにくい材料からなる複数枚の帯状の板ばね部材96a〜96gと、板ばね部材96a〜96gの固定側端部92aを挟む一対のクランプ板95,97を含んでいる。板ばね部材96a〜96gは互いに長さが異なり、かつ、無荷重状態で円弧状に湾曲する形状に成形されている。各板ばね部材96a〜96gの先端部を抑えプレート91側に折曲げることにより、各板ばね部材96a〜96gの先端部に円弧状の曲げ部98すなわちR部が形成されている。このR部により、板ばね部材96a〜96gが撓んで板ばね部材96a〜96gが長さ方向に摺動しても、互いに重なり合うそれぞれの板ばねの表面が削れることを防止できる。   As shown in FIG. 9, the laminated leaf spring 92 is composed of a plurality of strip-like leaf spring members 96a to 96g made of a rust-resistant material such as stainless steel made of spring, and fixed side end portions of the leaf spring members 96a to 96g. A pair of clamp plates 95 and 97 sandwiching 92a is included. The leaf spring members 96a to 96g have different lengths and are formed into a shape that is curved in an arc shape in a no-load state. An arcuate bent portion 98, that is, an R portion is formed at the distal end portion of each leaf spring member 96a to 96g by bending the distal end portion of each leaf spring member 96a to 96g to the holding plate 91 side. Even if the leaf spring members 96a to 96g are bent and the leaf spring members 96a to 96g slide in the length direction, it is possible to prevent the surfaces of the leaf springs overlapping each other from being scraped.

図10に示すように、一番長い板ばね部材96aの曲げ部98の円弧状の頂部99が、踏み台32の受け部60aのカバープレート101に当接する。この一番長い板ばね部材96aを受け部60aのカバープレート101に対向させ、カバープレート101側から抑えプレート91に向って順次短い板ばね部材96b〜96gを重ねることにより、重ね板ばね92が構成されている。   As shown in FIG. 10, the arcuate top 99 of the bent portion 98 of the longest leaf spring member 96 a comes into contact with the cover plate 101 of the receiving portion 60 a of the step platform 32. The longest leaf spring member 96a is opposed to the cover plate 101 of the receiving portion 60a, and the short leaf spring members 96b to 96g are sequentially stacked from the cover plate 101 side toward the holding plate 91, thereby forming the overlap leaf spring 92. Has been.

この重ね板ばね92が厚み方向に撓むと、一番長い板ばね部材96aの曲げ部98の円弧状の頂部99が、受け部60aのカバープレート101に対して矢印Z方向(図10に示す)に相対的に移動することになる。扉13が閉じた状態において、一番長い板ばね部材96aの曲げ部98の頂部99によって、受け部60aのカバープレート101が車両内方向に向けて押圧される。   When the laminated leaf spring 92 is bent in the thickness direction, the arcuate top 99 of the bent portion 98 of the longest leaf spring member 96a is in the direction of arrow Z (shown in FIG. 10) with respect to the cover plate 101 of the receiving portion 60a. It will move relative to. In the state where the door 13 is closed, the cover plate 101 of the receiving portion 60a is pressed toward the vehicle inward direction by the top 99 of the bent portion 98 of the longest leaf spring member 96a.

踏み台32の外装板64の端部、すなわち受け部60aと対応した位置に、前記抑えプレート91と重ね板ばね92が入り込むことのできる凹部100が形成されている。この凹部100に、ステンレス鋼板などの錆びにくい金属からなる前記カバープレート101が設けられている。このカバープレート101によって、プレート部材60の受け部60aが覆われている。   A concave portion 100 into which the holding plate 91 and the laminated leaf spring 92 can enter is formed at an end portion of the exterior plate 64 of the step board 32, that is, a position corresponding to the receiving portion 60a. The concave plate 100 is provided with the cover plate 101 made of a rust-resistant metal such as a stainless steel plate. The cover plate 101 covers the receiving portion 60 a of the plate member 60.

しかもカバープレート101の縁部101a(図4,図5,図7に示す)は、踏み台32が展開方向に移動する際に、図7に示すように重ね板ばね92の頂部99の下端縁110がプレート部材60の縁60bに直接接触することを防ぐために、プレート部材60の縁60bを覆うようにカールした(湾曲した)形状に成形されている。   Moreover, the edge portion 101a (shown in FIGS. 4, 5 and 7) of the cover plate 101 is located at the lower edge 110 of the top portion 99 of the overlap leaf spring 92 as shown in FIG. Is formed in a curled (curved) shape so as to cover the edge 60b of the plate member 60 in order to prevent direct contact with the edge 60b of the plate member 60.

踏み台32が図4に示す収納位置にあり、かつ、扉13が閉じた状態において、抑えプレート91が、前記重ね板ばね92を介して、踏み台32の上部の受け部60aをカバープレート101を介して車両内方側に押圧することにより、踏み台32が収納位置に保持される。つまり、踏み台32が収納位置にあり、扉13が閉じた状態のときに、重ね板ばね92が弾性変形することにより、踏み台32が車両内方側に向けて付勢される。   In the state where the step 32 is in the storage position shown in FIG. 4 and the door 13 is closed, the holding plate 91 is connected to the receiving portion 60a on the upper portion of the step 32 via the cover plate 101 via the overlap plate spring 92. By pressing the vehicle inward, the step platform 32 is held in the storage position. That is, when the step 32 is in the storage position and the door 13 is in a closed state, the overlap spring 92 is elastically deformed, so that the step 32 is urged toward the vehicle inner side.

弾性部材として機能する重ね板ばね92は、取付部の隙間(抑えプレート91の縦壁91bからプレート部材60の受け部60aまでの距離)が同じである場合、圧縮コイルばね等と比較して、板厚だけなので弾性変形可能な撓み量を大きくすることが可能である。このためプレート部材60や抑えプレート91等の周辺部材の変形や破損を防止する上で有利である。   When the leaf spring 92 that functions as an elastic member has the same clearance (the distance from the vertical wall 91b of the restraining plate 91 to the receiving portion 60a of the plate member 60) of the mounting portion, compared to a compression coil spring or the like, Since only the plate thickness is provided, it is possible to increase the amount of bending that can be elastically deformed. This is advantageous in preventing deformation and breakage of peripheral members such as the plate member 60 and the holding plate 91.

前記したように、係合部材90に重ね板ばね92を設けたことにより、扉13を閉める際にウエザストリップ22が扉13によって必要以上に圧縮されても、重ね板ばね92の各板ばね部材96a〜96gが扉13を閉める方向に十分撓むことができるため、踏み台32から受ける反力を十分吸収することができ、扉13や係合部材90が変形したり損傷することを回避できる。   As described above, the overlap plate spring 92 is provided on the engaging member 90, so that even when the weather strip 22 is compressed more than necessary by the door 13 when the door 13 is closed, the leaf springs of the overlap plate spring 92. Since the members 96a to 96g can sufficiently bend in the direction of closing the door 13, the reaction force received from the step platform 32 can be sufficiently absorbed, and the door 13 and the engaging member 90 can be prevented from being deformed or damaged. .

以下に、本実施形態のステップ装置30の作用について説明する。
図4に示すように踏み台32が収納位置にあり、第1の扉13が閉じているときには、係合部材90の抑えプレート91が重ね板ばね92を介してプレート部材60の受け部60aに係合し、踏み台32を車両内方側に押している。この収納位置では、プレート部材60の上部が収納時ストッパ66に当接することができる。軸部50に設けられたねじりコイルばね33は、踏み台32を展開位置に向けて付勢する。しかも重ね板ばね92が踏み台32を車両内方側に押圧している。このことにより、踏み台32が収納位置に保持され、がたつくことが抑制される。
Below, the effect | action of the step apparatus 30 of this embodiment is demonstrated.
As shown in FIG. 4, when the step platform 32 is in the storage position and the first door 13 is closed, the holding plate 91 of the engaging member 90 is engaged with the receiving portion 60 a of the plate member 60 via the overlap plate spring 92. The step 32 is pushed inward of the vehicle. In this storage position, the upper part of the plate member 60 can contact the stopper 66 during storage. The torsion coil spring 33 provided on the shaft portion 50 urges the footrest 32 toward the deployed position. Moreover, the laminated leaf spring 92 presses the step platform 32 toward the vehicle inner side. As a result, the step platform 32 is held in the storage position, and rattling is suppressed.

非常扉12を開放する場合、まず第1の扉13を開ける。図7は、第1の扉13が開放される途中において、踏み台32と係合部材90との係合が外れる直前の状態を示している。図7中の矢印A1は扉13が開く方向を示し、矢印B1は踏み台32が回動降下する方向を示している。踏み台32は、前記ねじりコイルばね33の弾力によって矢印B1方向に回動する。   When opening the emergency door 12, first, the first door 13 is opened. FIG. 7 shows a state immediately before the engagement between the step platform 32 and the engagement member 90 is released while the first door 13 is being opened. An arrow A1 in FIG. 7 indicates a direction in which the door 13 opens, and an arrow B1 indicates a direction in which the step platform 32 is pivoted and lowered. The step platform 32 is rotated in the direction of the arrow B <b> 1 by the elasticity of the torsion coil spring 33.

第1の扉13が矢印A1方向に移動することに伴い、係合部材90も矢印A1方向に移動する。このため係合部材90の重ね板ばね92の頂部99が、踏み台32の受け部60aのカバープレート101に接しながら、踏み台32が矢印B1方向に倒れてゆく。踏み台32が矢印B1方向に移動するにつれて、重ね板ばね92とカバープレート101との接触箇所が次第に下方に移動し、ついには図7に示すように重ね板ばね92の頂部99の下端縁110がカバープレート101の縁部101aに接した状態となり、その直後に、重ね板ばね92とカバープレート101との係合が外れる。こうして係合部材90が踏み台32から外れると、踏み台32が一気に展開位置まで回動降下することになる。   As the first door 13 moves in the arrow A1 direction, the engaging member 90 also moves in the arrow A1 direction. For this reason, while the top part 99 of the laminated leaf spring 92 of the engaging member 90 is in contact with the cover plate 101 of the receiving part 60a of the step 32, the step 32 falls down in the arrow B1 direction. As the step 32 moves in the direction of the arrow B1, the contact point between the overlap leaf spring 92 and the cover plate 101 gradually moves downward, and finally the lower end edge 110 of the top 99 of the overlap leaf spring 92 is moved as shown in FIG. The state comes into contact with the edge portion 101a of the cover plate 101, and immediately after that, the overlap between the leaf spring 92 and the cover plate 101 is released. When the engagement member 90 is detached from the step platform 32 in this manner, the step platform 32 is pivoted and lowered to the deployed position at a stretch.

この実施形態の踏み台32の受け部60aにはカバープレート101が配置され、このカバープレート101のカールした形状の縁部101aによってプレート部材60の縁60bが覆われているため、扉13が開く際に、踏み台32のプレート部材60が重ね板ばね92の頂部99と接触することによってプレート部材60が傷付いたり、錆びが出たりすることを防止でき、踏み台32の外観を良好に保つことができる。   Since the cover plate 101 is disposed on the receiving portion 60a of the step platform 32 of this embodiment, and the edge 60b of the plate member 60 is covered by the curled edge portion 101a of the cover plate 101, the door 13 is opened. In addition, the plate member 60 of the step board 32 can be prevented from being damaged or rusted due to the plate member 60 coming into contact with the top 99 of the laminated leaf spring 92, and the appearance of the step board 32 can be kept good. .

また、重ね板ばね92の頂部99に曲げ部98によるR部が形成されているので、カバープレート101の縁部101aと重ね板ばね92との接触部に鋭いエッジ部が存在しない。このためカバープレート101が重ね板ばね92と接することによって傷付くことが防止される。   Further, since the R portion by the bent portion 98 is formed at the top portion 99 of the laminated leaf spring 92, there is no sharp edge portion at the contact portion between the edge portion 101a of the cover plate 101 and the laminated leaf spring 92. For this reason, the cover plate 101 is prevented from being damaged by being in contact with the laminated leaf spring 92.

図5は、第1の扉13が矢印A方向に移動し、踏み台32が軸部50を中心として矢印B方向に移動して展開位置に至った状態を示している。第1の扉13が矢印A方向に移動すると、係合部材90がプレート部材60の受け部60aから車両外方側に離れ、受け部60aとの係合が外れるため、ねじりコイルばね33の弾力によって、踏み台32が矢印Bで示す展開方向に瞬時に回動降下する。踏み台32が展開位置に達すると、ストッパ手段70をなす可動フレーム61,62の延出部72が、支持構体31の一部(下部壁47の下面の支持面74)に当接することにより、プレート部材60がほぼ水平な状態に保持される。   FIG. 5 shows a state in which the first door 13 has moved in the direction of arrow A, and the step platform 32 has moved in the direction of arrow B around the shaft portion 50 to reach the deployed position. When the first door 13 moves in the direction of arrow A, the engagement member 90 moves away from the receiving portion 60a of the plate member 60 toward the vehicle outer side, and the engagement with the receiving portion 60a is released. As a result, the step platform 32 is instantaneously rotated and lowered in the unfolding direction indicated by the arrow B. When the step 32 reaches the unfolded position, the extension portions 72 of the movable frames 61 and 62 constituting the stopper means 70 come into contact with a part of the support structure 31 (the support surface 74 on the lower surface of the lower wall 47), thereby The member 60 is held in a substantially horizontal state.

前記ねじりコイルばね33は、踏み台32が展開位置まで移動した状態においても、踏み台32を下方に付勢している。このため、非常口20から降りる乗客がプレート部材60上に乗ったのち、乗員の足が着地のためにプレート部材60から離れても、その際の反力によって踏み台32が跳ね上がることを抑制できる。   The torsion coil spring 33 urges the step 32 downward even when the step 32 is moved to the deployed position. For this reason, even if the passenger who gets off from the emergency exit 20 gets on the plate member 60 and the occupant's feet leave the plate member 60 for landing, it is possible to prevent the step board 32 from jumping up due to the reaction force at that time.

踏み台32を元の収納位置に戻すには、第2の扉14を閉め、さらに踏み台32を収納位置まで手で回動上昇させる。この状態を保ったまま、第1の扉13を閉めると、係合部材90の抑えプレート91が、重ね板ばね92を介して、踏み台32のプレート部材60を車両内方側に押圧する。この状態から第1および第2の扉13,14を周知の扉ロック装置(図示せず)によって施錠すれば、踏み台32が収納位置に保持される。この収納位置では、ねじりコイルばね33の反発荷重によって踏み台32が車両外方に付勢され続ける。   In order to return the step 32 to the original storage position, the second door 14 is closed, and the step 32 is manually rotated up to the storage position. When the first door 13 is closed while this state is maintained, the restraining plate 91 of the engaging member 90 presses the plate member 60 of the footrest 32 toward the vehicle inward side via the overlap plate spring 92. If the first and second doors 13 and 14 are locked from this state by a known door lock device (not shown), the step platform 32 is held in the storage position. In this storage position, the step 32 is continuously urged outward by the repulsive load of the torsion coil spring 33.

扉13が閉鎖される際、扉13が車両内方向に押されることにより、ウエザストリップ22(図4に示す)が圧縮されて撓む。このため扉13はウエザストリップ22の撓みしろに相当する分だけ、図10に矢印A2で示す方向に押し込まれる(オーバーランする)ため、相対的に受け部60aが図10に2点鎖線P1で示す位置まで移動する。このとき重ね板ばね92の頂部99が矢印Z1方向に移動しながら、各板ばね部材96a〜96gが板厚方向に撓む。   When the door 13 is closed, the weather strip 22 (shown in FIG. 4) is compressed and bent when the door 13 is pushed in the in-vehicle direction. For this reason, the door 13 is pushed (overruns) in the direction indicated by the arrow A2 in FIG. 10 by the amount corresponding to the bending margin of the weather strip 22, so that the receiving portion 60a is relatively shown in FIG. Move to the position indicated by. At this time, the leaf spring members 96a to 96g bend in the plate thickness direction while the top portion 99 of the laminated leaf spring 92 moves in the arrow Z1 direction.

このことにより扉13の前記オーバーランが吸収され、係合部材90から受ける反力が緩和される。このため、扉13やヒンジ15あるいは係合部材90に過剰な負荷がかかることを回避でき、破損や変形を防止できる。この扉13は、ウエザストリップ22の弾力によって押し返されるため、相対的に受け部60aが図10に2点鎖線P2で示す位置に戻り、この位置にて周知の扉ロック装置によって保持される。   As a result, the overrun of the door 13 is absorbed, and the reaction force received from the engaging member 90 is relaxed. For this reason, it can be avoided that an excessive load is applied to the door 13, the hinge 15, or the engaging member 90, and damage and deformation can be prevented. Since the door 13 is pushed back by the elasticity of the weather strip 22, the receiving portion 60a relatively returns to the position indicated by a two-dot chain line P2 in FIG. 10, and is held by this well-known door lock device. .

また、重ね板ばね92の頂部99に円弧状の曲げ部98が形成されているので、鋭いエッジ部がなく、このため頂部99が前述の矢印Z1方向に移動しても、プレート部材60の表面が削れることがない。   Further, since the arc-shaped bent portion 98 is formed at the top portion 99 of the laminated leaf spring 92, there is no sharp edge portion. Therefore, even if the top portion 99 moves in the direction of the arrow Z1, the surface of the plate member 60 is removed. Will not be scraped.

本実施形態のステップ装置30によれば、扉13が閉位置にあるとき、すなわち踏み台32の収納時に踏み台32がバンパー84の一部をなすため、踏み台32を有していても収納時の外観が悪くならない。   According to the step device 30 of the present embodiment, when the door 13 is in the closed position, that is, when the step 32 is stored, the step 32 forms a part of the bumper 84. Will not go wrong.

また踏み台32の収納時に、ねじりコイルばね33の弾力と重ね板ばね92の弾力に応じて踏み台32が保持されるため、車両10の走行中に踏み台32ががたつくことが抑制される。しかも非常扉12を開ける際には、先に開く第1の扉13が開いた瞬間に、ねじりコイルばね33の弾力と踏み台32の自重によって、踏み台32が速やかに展開位置まで移動し、踏み台32のプレート部材60を瞬時に使用可能な水平状態にすることができる。   Further, when the step 32 is stored, the step 32 is held according to the elasticity of the torsion coil spring 33 and the elasticity of the overlap leaf spring 92, so that rattling of the step 32 during the traveling of the vehicle 10 is suppressed. In addition, when the emergency door 12 is opened, at the moment when the first door 13 that is opened first is opened, the spring 32 is quickly moved to the deployed position by the elasticity of the torsion coil spring 33 and the weight of the spring 32, and the spring 32 The plate member 60 can be brought into a horizontal state that can be used instantaneously.

そしてこの踏み台32は、展開位置においても、ねじりコイルばね33の反発荷重によって下方に付勢され続けるため、踏み台32が展開位置から跳ね上がることを抑制することができ、より安全に使用することができる。また、インターロック手段として機能するスイッチ80が組込まれていることにより、非常扉12を使用しているときに車両10が走行することを抑制でき、安全性をさらに高めることができる。   And since this step 32 continues to be urged downward by the repulsive load of the torsion coil spring 33 even in the deployed position, the step 32 can be prevented from jumping up from the deployed position and can be used more safely. . Further, since the switch 80 functioning as an interlock means is incorporated, the vehicle 10 can be prevented from traveling when the emergency door 12 is used, and safety can be further improved.

以上説明した車両用扉装置によれば、扉13が開かない限り、踏み台32が展開位置まで移動することがないので、走行中あるいは停車中において何らかの原因により踏み台32が出ることが無く安全である。   According to the vehicle door device described above, since the step platform 32 does not move to the unfolded position unless the door 13 is opened, the step platform 32 does not come out for some reason while traveling or is stopped. .

また弾性部材として複数枚の板ばね部材96a〜96gからなる重ね板ばね92を使用し、一番長い板ばね部材96aを踏み台32の受け部60aのカバープレート101に当接させ、抑えプレート91に向って順次短い板ばね部材96b〜96gを厚み方向に重ねているため、各板ばね部材96a〜96gに作用する応力を小さくすることができ、板ばね部材96a〜96gへの繰返し荷重に対する耐久性が向上する。このような重ね板ばね92であれば、板間摩擦による振動減衰効果も期待でき、走行時の振動によって踏み台32がばたつくことを抑制できる。   In addition, a laminated leaf spring 92 made up of a plurality of leaf spring members 96 a to 96 g is used as an elastic member, and the longest leaf spring member 96 a is brought into contact with the cover plate 101 of the receiving portion 60 a of the step platform 32, so Since the short leaf spring members 96b to 96g are sequentially stacked in the thickness direction, the stress acting on each of the leaf spring members 96a to 96g can be reduced, and durability against repeated loads on the leaf spring members 96a to 96g. Will improve. With such a laminated leaf spring 92, a vibration damping effect due to friction between the plates can be expected, and fluttering of the footrest 32 due to vibration during traveling can be suppressed.

なお本発明の車両用扉装置は、両開き式の扉に限らず、片開きの扉にも適用できるし、非常口以外の乗降口に使用することもできる。また本発明を実施するに当たって、バンパー部材、扉、踏み台、弾性部材、係合部材をはじめとして、本発明の構成要素を適宜に変形して実施できることは言うまでもない。   Note that the vehicle door device of the present invention is not limited to a double-open door, but can be applied to a single-open door, and can be used for an entrance / exit other than an emergency exit. In carrying out the present invention, it goes without saying that the constituent elements of the present invention, including a bumper member, a door, a footrest, an elastic member, and an engaging member, can be modified as appropriate.

本発明の一実施形態に係る扉装置を装備した車両の後部の斜視図。The perspective view of the rear part of the vehicle equipped with the door apparatus which concerns on one Embodiment of this invention. 図1に示された扉装置の扉を開けた状態を車体の後部側から見た斜視図。The perspective view which looked at the state which opened the door of the door apparatus shown by FIG. 1 from the rear part side of the vehicle body. 図1に示された扉装置の踏み台が展開位置に移動した状態の斜視図。The perspective view of the state which the step of the door apparatus shown by FIG. 1 moved to the expansion | deployment position. 図1中のF4−F4線に沿うステップ装置の断面図。Sectional drawing of the step apparatus which follows the F4-F4 line | wire in FIG. 図4に示されたステップ装置の踏み台が展開位置に移動した状態の断面図。FIG. 5 is a cross-sectional view showing a state where a step board of the step device shown in FIG. 4 is moved to a deployment position. 図1に示された車両の扉が開放された状態で、扉の一部を車内側から見た斜視図。The perspective view which looked at a part of door from the vehicle inner side in the state by which the door of the vehicle shown by FIG. 1 was open | released. 図6に示された扉が開放される途中の扉と踏み台の一部を示す斜視図。FIG. 7 is a perspective view showing a part of a door and a step board in the middle of opening the door shown in FIG. 6. 図4に示された扉と踏み台の一部を拡大して示す断面図。Sectional drawing which expands and shows a part of door and step shown by FIG. 図6中のF9−F9線に沿う係合部材の断面図。Sectional drawing of the engaging member which follows the F9-F9 line | wire in FIG. 図9に示された係合部材の重ね板ばねが踏み台に当接した状態の断面図。FIG. 10 is a cross-sectional view of a state in which the overlapping leaf spring of the engagement member shown in FIG.

符号の説明Explanation of symbols

10…車両
13,14…扉
13a…インナパネル
13b…アウタパネル
13c…膨出部
13e…底壁
30…ステップ装置
32…踏み台
33…ねじりコイルばね(弾性部材)
60a…受け部
84…バンパー
85,86…バンパー部材
90…係合部材
91…抑えプレート
92…重ね板ばね(弾性部材)
96a〜96g…板ばね部材
101…カバープレート
DESCRIPTION OF SYMBOLS 10 ... Vehicle 13, 14 ... Door 13a ... Inner panel 13b ... Outer panel 13c ... Swelling part 13e ... Bottom wall 30 ... Step device 32 ... Step stand 33 ... Torsion coil spring (elastic member)
60a ... receiving part 84 ... bumper 85, 86 ... bumper member 90 ... engagement member 91 ... restraining plate 92 ... overlap spring (elastic member)
96a-96g ... leaf spring member 101 ... cover plate

Claims (5)

車体に設けられたヒンジを中心に回動する扉と、
前記扉の下方に設けられ、前記扉の開放に連動して収納位置から車両外方向の展開位置に移動可能で該車両のバンパーの一部をなす踏み台と、
前記踏み台を車両外方向に向けて付勢する弾性部材と、
前記扉の下端から下方に延在し、前記踏み台が前記収納位置にありかつ前記扉が閉じた状態において前記踏み台の上部の受け部を車両内方向に向けて押圧する係合部材と、
を具備したことを特徴とする車両用扉装置。
A door that pivots about a hinge provided on the vehicle body;
A step that is provided below the door and is movable from a stowed position to a deployed position in the vehicle outward direction in conjunction with opening of the door and forms a part of a bumper of the vehicle;
An elastic member that biases the step toward the outside of the vehicle;
An engagement member that extends downward from the lower end of the door, presses the receiving portion at the top of the step toward the in-vehicle direction when the step is in the storage position and the door is closed;
A vehicle door device characterized by comprising:
前記扉は、アウタパネルと、外周部が前記アウタパネルに接合されかつ車室内側に膨出する膨出部を有するインナパネルとによって構成され、前記係合部材が前記インナパネルの前記膨出部の下部の底壁に固定されていることを特徴とする請求項1に記載の車両用扉装置。   The door includes an outer panel and an inner panel having an outer peripheral portion joined to the outer panel and having a bulging portion that bulges toward the vehicle interior side, and the engagement member is a lower portion of the bulging portion of the inner panel. The vehicle door device according to claim 1, wherein the vehicle door device is fixed to a bottom wall of the vehicle. 前記係合部材は、前記扉の下部に固定される抑えプレートと、該抑えプレートの車室内側の面で前記踏み台の前記受け部に対向する部位に取付けられた弾性部材と、を有することを特徴する請求項1または2に記載の車両用扉装置。   The engagement member includes a holding plate fixed to a lower portion of the door, and an elastic member attached to a portion of the holding plate facing the receiving portion of the step platform on the surface of the holding plate on the vehicle interior side. The vehicle door device according to claim 1 or 2, wherein the vehicle door device is characterized. 前記弾性部材は、帯状で互いに長さの異なる複数枚の板ばね部材を含み、一番長い板ばね部材が前記踏み台の前記受け部に当接し、該受け部から前記抑えプレートに向って順次短い板ばね部材を厚み方向に重ねて構成される重ね板ばねであることを特徴とする請求項3に記載の車両用扉装置。   The elastic member includes a plurality of leaf spring members that are belt-like and have different lengths, and the longest leaf spring member abuts on the receiving portion of the stepping platform and is sequentially shorter from the receiving portion toward the holding plate. The vehicular door device according to claim 3, wherein the vehicular door device is a stacked leaf spring configured by overlapping leaf spring members in a thickness direction. 前記踏み台の前記受け部に、前記板ばね部材と接する部位を覆うカバープレートが配置され、該カバープレートには前記受け部の端縁を覆うべくカールした形状の縁部が形成されていることを特徴とする請求項4に記載の車両用扉装置。   A cover plate that covers a portion in contact with the leaf spring member is disposed on the receiving portion of the step, and the cover plate has a curled edge to cover the edge of the receiving portion. The vehicle door device according to claim 4, wherein
JP2006072962A 2006-03-16 2006-03-16 Vehicular door device Pending JP2007245959A (en)

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KR101071161B1 (en) 2009-03-17 2011-11-17 한국교통연구원 Folding type door step for a vehicle
KR101247217B1 (en) 2011-04-29 2013-03-25 주식회사 액트로닉스 Manual folding type door step for a vehicle
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KR101284308B1 (en) * 2011-10-05 2013-07-08 현대자동차주식회사 Storage apparatus for vehicle
KR101284307B1 (en) * 2011-10-05 2013-07-08 현대자동차주식회사 Storage apparatus for vehicle
US8596507B2 (en) 2011-10-05 2013-12-03 Hyundai Motor Company Storage apparatus for vehicle
KR101252217B1 (en) 2011-10-05 2013-04-05 현대자동차주식회사 Storage apparatus for vehicle
US8678461B2 (en) 2011-10-05 2014-03-25 Hyundai Motor Company Storage apparatus for vehicle
US8789865B2 (en) 2011-10-05 2014-07-29 Hyundai Motor Company Storage apparatus for vehicle
US8844779B2 (en) 2011-10-05 2014-09-30 Hyundai Motor Company Storage apparatus for vehicle
CN103895474A (en) * 2012-12-28 2014-07-02 上海申龙客车有限公司 School bus safety door with stepping device
WO2015098616A1 (en) * 2013-12-27 2015-07-02 本田技研工業株式会社 Vehicle
JPWO2015098616A1 (en) * 2013-12-27 2017-03-23 本田技研工業株式会社 vehicle

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