JP5688956B2 - Retractable auxiliary step in the passenger compartment - Google Patents

Retractable auxiliary step in the passenger compartment Download PDF

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JP5688956B2
JP5688956B2 JP2010273332A JP2010273332A JP5688956B2 JP 5688956 B2 JP5688956 B2 JP 5688956B2 JP 2010273332 A JP2010273332 A JP 2010273332A JP 2010273332 A JP2010273332 A JP 2010273332A JP 5688956 B2 JP5688956 B2 JP 5688956B2
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vehicle
plate
tread
crank
advancing
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JP2012121435A (en
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幸司 井上
幸司 井上
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Toshintec Co Ltd
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Description

本発明は、乗降時にバス、ワンボックスカー等の車両ステップ上にこれよりも面積拡張する様に展開される車内ステップとこの車内ステップと地上面間に同様に面積拡張する様に張り出される車外ステップとから成る車室内格納式補助ステップに関する。   The present invention relates to an in-vehicle step that is expanded on a vehicle step such as a bus or a one-box car at the time of getting on and off, and an outside vehicle that is extended to similarly expand the area between the in-vehicle step and the ground surface. The vehicle interior retractable auxiliary step comprising steps.

特許文献１には、ドアによる車両乗降口の閉鎖時に既設の車両ステップ上に踏板が水平に格納配置され、車両乗降口の開放時に踏板を車両ステップ上から車外の下方へ水平に張り出す様に構成された車室内格納式補助ステップが開示されている。
この補助ステップは、格納状態で車室内の車両ステップ上に踏板が水平配置されることから、未使用時において雨水、泥はね等の車外環境から踏板を保護できる共に、踏板の車外への張出し不要時においても踏板を車両ステップとして自由に乗降でき、使用時には車両ステップ（車両乗降口）の前方下部となる車外へ踏板を張り出し、車両ステップへの安全な足継ぎとしての役割を果たすことができる。 In Patent Document 1, a tread is horizontally stored and disposed on an existing vehicle step when the vehicle entrance / exit is closed by a door, and the tread is projected horizontally from above the vehicle step to the outside of the vehicle when the vehicle entrance / exit is opened. A constructed vehicle interior retractable auxiliary step is disclosed.
In this auxiliary step, the treadle is horizontally arranged on the vehicle step in the passenger compartment in the retracted state, so that the treadle can be protected from the outside environment such as rainwater and mud splashes when not in use, and the treadle is projected outside the vehicle. The treadle can be freely boarded and exited as a vehicle step even when not required, and when used, the treadle can be extended outside the vehicle step (vehicle entrance) to serve as a safe foot joint to the vehicle step. .

特開２０１０−１８８８４０号公報JP 2010-188840 A

しかしながら、上記補助ステップでは、格納時に踏板を車両ステップ上に水平配置する様に構成されているため、踏板の奥行きは必然的に車両ステップと同等かそれより短く設定されることとなる。
当然ながら乗降時において踏板の面積は広い方が足継ぎとして具合が良いし、又踏板の奥行きが旅客車両としての使用基準に適合しない場合なども想定される。 However, since the above-described auxiliary step is configured to horizontally arrange the tread on the vehicle step during storage, the depth of the tread is necessarily set equal to or shorter than the vehicle step.
Naturally, when the boarding / exiting, a larger tread area is better as a foot joint, and a case where the tread board depth does not meet the standards for use as a passenger vehicle is also assumed.

そこで、本発明では、たとえ既設の車両ステップが旅客車両としての使用基準に不適合であっても、乗降時にはその基準に適合する様に、車両ステップ上に配置してこれに代える車内ステップと、該車内ステップ上に未使用時に水平配置されて使用時に乗降口の下部前方に張り出す車外ステップの夫々が奥行き方向に伸展する様にした車室内格納式補助ステップを提供することを目的としている。   Therefore, in the present invention, even if an existing vehicle step is incompatible with the use standard as a passenger vehicle, an in-vehicle step that is arranged on the vehicle step and replaces it so as to meet the standard at the time of getting on and off, It is an object of the present invention to provide a vehicle interior retractable auxiliary step in which each of the vehicle exterior steps that are horizontally arranged on the vehicle interior step when not in use and project to the lower front of the entrance when used are extended in the depth direction.

上記課題に鑑み、本発明の車室内格納式補助ステップは、既設の車両ステップ上にこれより外方へ食み出ない様に水平配置した固定踏板と、車両ステップより前端部が車外前方へ突出しない様に固定踏板上でオーバーラップする下段格納位置と、車両ステップより前端部が車外前方へ所定長さ突出する様に固定踏板の前方でこれと同一平面上に連接する張出位置との間を往復動自在に設けた進退踏板とから成る車内ステップと、進退踏板の格納状態でこれの上方に車両ステップより外方へ食み出ない様にオーバーラップする上段格納位置と、進退踏板の張出状態で車両ステップ前方下部に水平配置する車外張出位置との間を進退踏板に連動して往復動自在に設けた出没踏板と、該出没踏板に連動する様に取付けられ、出没踏板の格納状態で車両ステップより前端部が突出しない様に出没踏板上にオーバーラップし、出没踏板の張出状態でこれの前方にして同一平面上に連接する連動踏板とから成る車外ステップとにより構成したことを特徴とする。
そして、出没踏板は左右に支柱を垂直立設し、各支柱と車両ステップとの間に車外張出位置で支柱を懸垂する左右一対のアームの夫々を枢着連結し、各アームの適所にベルクランクの屈曲部を枢着し、該ベルクランクの一端と支柱との間、及びベルクランクの他端と車両ステップとの間の夫々にリンクを枢着連結し、基端軸を車両ステップに枢着されるアーム又はリンクと同一と成した揺動クランクを適宜進退機構を介して進退踏板に連繋したことを特徴とする。
又、連動踏板は出没踏板に適宜リンク機構を介して取付けられ、該リンク機構は、支柱におけるアーム又はリンクの枢軸に基端を固定したクランクに連繋したことを特徴とする。
更に、上記基端軸を正逆回転自在に駆動装置に連繋したことを特徴とする。 In view of the above problems, the retractable auxiliary step of the vehicle interior of the present invention includes a stationary tread plate that is horizontally disposed on an existing vehicle step so as not to protrude outwardly, and a front end portion protruding forward from the vehicle step. Between the lower storage position that overlaps on the fixed tread so that it does not protrude, and the overhanging position that is connected to the front of the fixed tread on the same plane so that the front end protrudes from the vehicle step to the front outside the vehicle by a predetermined length A reciprocatingly movable in-car step, an upper step storage position that overlaps so that it does not protrude outward from the vehicle step in the retracted state of the advance / retreat plate, and the tension of the advance / retreat plate A retractable stepping plate that is reciprocally movable in conjunction with an advancing / retreating stepping plate and a retracting stepping plate that is mounted in such a manner as to be able to reciprocate between the vehicle overhanging position that is horizontally disposed in the lower front part of the vehicle step in the extended state. Car in state It is composed of an outside step composed of an interlocking stepping plate that overlaps on the stepping plate so that the front end portion does not protrude from the step, and is connected to the same plane in front of the stepping plate. To do.
The in / out tread board has vertical struts standing vertically, and a pair of left and right arms that suspend the struts at the vehicle overhang position are pivotally connected between each strut and the vehicle step, and bells are placed at appropriate positions on each arm. A bent portion of the crank is pivotally connected, and a link is pivotally connected between one end of the bell crank and the column and between the other end of the bell crank and the vehicle step, and the base shaft is pivoted to the vehicle step. A swinging crank that is the same as the arm or link to be worn is connected to an advancing / retreating plate through an advancing / retreating mechanism as appropriate.
Further, the interlocking tread is attached to the stepping-in tread with an appropriate link mechanism, and the link mechanism is connected to an arm in the support column or a crank having a base end fixed to the pivot of the link.
Further, the base end shaft is connected to a drive device so as to be rotatable forward and backward.

要するに本発明は、上記の様に構成したので、車両乗降口を開放した乗降時には、車内ステップ上の上段格納位置から車外張出位置へ移動する車外ステップは、出没踏板の前方にして同一平面上に連動踏板が連接することにより車両ステップよりも奥行きが長くなった状態で全体が車両ステップ前方下部に張り出され、車内ステップは、車両ステップより進退踏板の前端部が所定長さ突出する様に固定踏板の前方でこれと同一平面上に連接することにより車両ステップより奥行きが長くなってその前方が乗降口より車外へ張り出される。
よって、不使用時には、各々の構成部材である踏板が相互にオーバラップして車両ステップ上に重層格納されている車内ステップ及び車外ステップが、使用時には定位置で各奥行きを旅客車両としての使用基準に適合する様に長くすることができると共に、各ステップの面積を拡張できるため、乗降時の安全性を確保でき、各ステップを踏み込む足元を気にすることもなく、安心して乗降できる。 In short, since the present invention is configured as described above, when getting on and off when the vehicle entrance / exit is opened, the step outside the vehicle that moves from the upper storage position on the step inside the vehicle to the overhanging position is on the same plane in front of the stepping plate. When the interlocking tread is connected to the vehicle step, the entire length is extended to the front lower part of the vehicle step in a state where the depth is longer than the vehicle step, and the in-vehicle step is such that the front end portion of the advancing / retreating step protrudes a predetermined length from the vehicle step. By connecting to the front of the fixed tread on the same plane as this, the depth becomes longer than the vehicle step, and the front projects from the entrance to the outside of the vehicle.
Therefore, when not in use, the steps inside the vehicle and the steps outside the vehicle that are stored in layers on the vehicle steps are overlapped with each other, and when used, each depth is used as a passenger vehicle at a fixed position. It is possible to extend the length of each step so that it fits, and the area of each step can be expanded, so it is possible to secure safety when getting on and off, and to get on and off without worrying about the steps to step on each step.

出没踏板は、左右に支柱を垂直立設し、各支柱と車両ステップとの間に車外張出位置で支柱を懸垂する左右一対のアームの夫々を枢着連結し、各アームの適所にベルクランクの屈曲部を枢着し、該ベルクランクの一端と支柱との間、及びベルクランクの他端と車両ステップとの間の夫々にリンクを枢着連結し、基端軸を車両ステップに枢着されるアーム又はリンクと同一と成した揺動クランクを適宜進退機構を介して進退踏板に連繋したので、車内ステップと車外ステップを基端軸の回動操作により簡単容易に連動させられる。   The tread board is vertically mounted on the left and right, and a pair of left and right arms that suspend the column at the vehicle overhang position are pivotally connected between each column and the vehicle step. The bent portion of the bell crank is pivotally connected, and a link is pivotally connected between one end of the bell crank and the column, and between the other end of the bell crank and the vehicle step, and the base end shaft is pivotally attached to the vehicle step. Since the swing crank, which is the same as the arm or link to be connected, is connected to the advancing / retreating plate through an advancing / retreating mechanism as appropriate, the in-vehicle step and the in-vehicle step can be easily and easily interlocked by rotating the base end shaft.

連動踏板は出没踏板に適宜リンク機構を介して取付けられ、該リンク機構は、支柱におけるアーム又はリンクの枢軸に基端を固定したクランクに連繋したので、上記基端軸の回動が、これによって出没踏板を上段格納位置と車外張出位置の間を移動させる支持部材（アーム、ベルクランク、リンク）を介してクランクに伝わり、該クランクの回動にて動作するリンク機構により連動踏板を出没踏板の前記移動中の動作に連動させることができ、車内外ステップの使い勝手の良い格納及び張出操作を行える。   The interlocking tread is attached to the in / out tread appropriately via a link mechanism, and the link mechanism is linked to a crank having a base end fixed to the pivot of the arm or link of the support column. It is transmitted to the crank via a support member (arm, bell crank, link) that moves the stepping plate between the upper storage position and the vehicle overhang position, and the interlocking stepping plate is moved by the link mechanism that operates by rotation of the crank. Thus, it is possible to perform the storing and projecting operations that are easy to use in and out of the vehicle.

更に、上記基端軸を正逆回転自在に駆動装置に連繋することにより、車内ステップと車外ステップの格納及び張出動作を自動化でき、乗降口付近でそれらを手動操作する様な煩わしさが解消される等その実用的効果甚だ大である。   Furthermore, by connecting the base end shaft to the drive unit so that it can rotate forward and backward, the in-vehicle step and the out-of-vehicle step can be automatically stored and extended, eliminating the trouble of manually operating them in the vicinity of the entrance / exit. Its practical effect is great.

本発明に係る車室内格納式補助ステップの張出状態を示す斜視図である。It is a perspective view which shows the overhanging state of the vehicle interior retractable auxiliary step which concerns on this invention. 同上格納状態を示す斜視図である。It is a perspective view which shows a storage state same as the above. 同上補助ステップの張出状態を示す一部省略断面図である。It is a partially-omission sectional view showing the overhanging state of the auxiliary step. 同上格納状態を示す一部省略断面図である。It is a partially omitted sectional view showing the storage state. 図３における車内ステップの拡大図である。FIG. 4 is an enlarged view of an in-vehicle step in FIG. 3. 図４における車内ステップとこれの支持部材との連繋を示す断面図である。It is sectional drawing which shows linkage with the step in a vehicle in FIG. 4, and this support member. 図４における車外ステップとこれの支持部材との連繋を示す断面図である。It is sectional drawing which shows a connection with the vehicle exterior step in FIG. 4, and its support member. 図３における車外ステップの拡大図である。FIG. 4 is an enlarged view of a step outside the vehicle in FIG. 3. 図４における出没踏板と連動踏板とリンク機構を示す断面図である。FIG. 5 is a cross-sectional view showing a stepping plate, an interlocking stepping plate, and a link mechanism in FIG. 4.

以下本発明の実施の一形態例を図面に基づいて説明する。
本発明に係る車室内格納式補助ステップは、車内フロアＦに段差を以て車両乗降口下部に既設された車両ステップＳ上において奥行き長さを伸縮可能に設けた車内ステップ１と、該車内ステップ１上と車外の車両ステップＳ前方下部との間を往復動自在にして、且つ奥行き長さが伸縮可能な車外ステップ２とから構成されている。 An embodiment of the present invention will be described below with reference to the drawings.
The vehicle interior retractable auxiliary step according to the present invention includes a vehicle interior step 1 in which a depth length can be expanded and contracted on a vehicle step S already provided at a lower part of the vehicle entrance / exit with a step on the vehicle interior floor F; Between the vehicle step S and the lower part of the vehicle step S outside the vehicle.

車内ステップ１は、車両ステップＳ上にこれより外方へ食み出ない様に、図示例の如く車両ステップＳ上の奥行き方向後部に水平配置した固定踏板３と、車両ステップＳより前端部4aが車外となる前方へ突出しない様に固定踏板３の前端部上で後端部がオーバーラップする下段格納位置X1と、車両ステップＳより前端部4aが車外となる前方へ所定長さ突出する様に固定踏板３の前方でこれと同一平面上に連接する張出位置Y1との間を往復動自在に設けた進退踏板４とから成る。   The in-vehicle step 1 includes a fixed tread 3 that is horizontally arranged on the rear side in the depth direction on the vehicle step S and a front end portion 4a from the vehicle step S so as not to protrude outward on the vehicle step S. The lower storage position X1 where the rear end overlaps the front end of the fixed tread 3 and the front end 4a protrudes from the vehicle step S by a predetermined length forward from the vehicle step so that the front end 4a does not protrude forward. And an advancing / retreating step plate 4 which is provided in front of the fixed tread plate 3 so as to be reciprocally movable between an overhanging position Y1 connected in the same plane.

車両ステップＳ上には、その前後と左右の夫々で平行な前後左右壁５、5a、６、6aを対向立設し、後壁5aの中央上端に固定踏板３を水平に支持している。
固定踏板３は、前後壁５、5a間でこれらと平行な前端部3aと、左右壁６、6aの内側で平行な左右端部と、後壁5aの後方で車両ステップＳの蹴込に沿って斜行する後端部とを有する平面視台形状の薄板から成り、前端部3aには前方降下状の傾斜壁3bを連続形成している。 On the vehicle step S, front and rear left and right walls 5, 5 a, 6, 6 a that are parallel to the front and rear and the left and right of the vehicle step S are opposed to each other, and the fixed tread 3 is horizontally supported at the center upper end of the rear wall 5 a.
The fixed tread 3 has a front end 3a parallel to the front and rear walls 5 and 5a, a left and right end parallel to the inside of the left and right walls 6 and 6a, and a rear side of the rear wall 5a along the kick of the vehicle step S. It consists of a thin plate having a trapezoidal shape in plan view having a rear end portion that is inclined, and an inclined wall 3b having a downward-falling shape is continuously formed at the front end portion 3a.

又、固定踏板３の左右側縁には前壁５から後壁5aの後方へ渡って側壁７、7aが形成されており、該側壁７、7aの前端部は前壁５に固着され、後端部は、後壁5aにおいて固定踏板３を支持する中央部に比し背丈が低く形成された左右側部を越えて後方へ突出して後壁5aに固着されている。   Side walls 7 and 7a are formed on the left and right side edges of the fixed tread 3 from the front wall 5 to the rear of the rear wall 5a, and the front end portions of the side walls 7 and 7a are fixed to the front wall 5 to The end portion is fixed to the rear wall 5a so as to protrude rearward beyond the left and right side portions formed with lower height than the central portion supporting the fixed tread 3 on the rear wall 5a.

進退踏板４は、固定踏板３より横幅が長く、前壁５と後壁5aの間隔に略等しい奥行きを有する横長矩形板と、該横長矩形板の前端縁及び左右側縁に連続して垂下固着したコ字状の補強枠とから成り、該補強枠は進退踏板４の前端部4aと側壁4bを構成している。
尚、側壁4bの後方は、その下端縁が後端へ向って下り傾斜する様に突出形成され、進退踏板４の側壁4b内側において、その下り傾斜状の後方下端縁における傾斜始端側と終端側の夫々に転子８、8aを設けている。 The advancing / retracting plate 4 has a lateral width longer than that of the fixed tread plate 3 and has a depth substantially equal to the distance between the front wall 5 and the rear wall 5a, and a drooping fixedly attached to the front edge and the left and right side edges of the horizontal rectangular plate. The U-shaped reinforcing frame constitutes a front end portion 4a and a side wall 4b of the advancing / retreating plate 4.
The rear side of the side wall 4b is formed so that its lower end edge is inclined downward toward the rear end, and on the inner side wall 4b of the advancing / retreating plate 4, the inclined start end side and the end side at the rear lower end edge of the downward inclined shape are provided. Are provided with trochanters 8 and 8a.

そして、進退踏板４は、車両ステップＳ上に前後に揺動可能に設けた左右一対の揺動クランク９を適宜進退機構を介して連繋している。
各揺動クランク９は、基端（クランク）軸10を共有し、該基端軸10は側壁７、7aを貫通して左右壁６、6a間に回転自在に架設されている。 The advancing / retreating plate 4 is connected with a pair of left and right swinging cranks 9 provided on the vehicle step S so as to be swingable back and forth through an appropriate forward / backward mechanism.
Each swing crank 9 shares a base end (crank) shaft 10, and the base end shaft 10 passes through the side walls 7, 7 a and is rotatably mounted between the left and right walls 6, 6 a.

進退機構は、揺動クランク９と進退踏板４との間に連杆11を枢着連結するものにして、該連杆11における進退踏板４との枢軸12であって、これを支軸とする傾斜始端側の転子８（枢軸12）を、固定踏板３の側壁７、7aにおいて進退踏板４の軌道に沿って貫通形成した案内溝13に摺動自在に装着すると共に、側壁７、7aにおいて案内溝13の下側斜め後方へ平行移動した同形の案内溝13ａに傾斜終端側の転子8aを摺動自在に装着することにより構成されている。   The advancing / retreating mechanism has a linkage 11 pivotally connected between the swing crank 9 and the advancing / retracting plate 4, and is a pivot 12 with the advancing / retreating plate 4 in the linkage 11, which is used as a support shaft. The trochanter 8 (pivotal axis 12) on the inclined start end side is slidably mounted in a guide groove 13 formed so as to penetrate along the track of the advancing / retreating plate 4 on the side walls 7, 7a of the fixed tread plate 3, and on the side walls 7, 7a. The trochanter 8a on the inclined end side is slidably mounted in the same shaped guide groove 13a translated parallel to the lower oblique rear side of the guide groove 13.

上記構成の進退機構における揺動クランク９と連杆11は、前端部3a及び傾斜壁3bの左右側縁に切欠した固定踏板３の側壁７、7a内側との空隙に配置されているため、揺動クランク９と連杆11は何らの支障なく屈伸動作できる。   Since the swing crank 9 and the linkage 11 in the advancing / retreating mechanism having the above-described configuration are disposed in the gap between the front end portion 3a and the side walls 7 and 7a of the fixed tread plate 3 cut out at the left and right edges of the inclined wall 3b, The dynamic crank 9 and the linkage 11 can bend and extend without any trouble.

そして、揺動クランク９の前後揺動による連杆11との屈伸動作で転子８（枢軸12）が案内溝13内を前後へ移動することにより、進退踏板４は案内溝13に沿って下段格納位置X1と張出位置Y1との間を往復移動する。
尚、進退踏板４の張出状態では、後方は転子８、8aが案内溝13、13ａの前端に係止され、前方は前壁５上端に装着したゴム製の緩衝材14が側壁4bの下端を支えることで進退踏板４の水平状態を保持している。 Then, the trochanter 8 (the pivot shaft 12) moves back and forth in the guide groove 13 by the bending and extending operation with the linkage 11 by the swinging of the swing crank 9 back and forth, so that the advancing / retreating foot plate 4 is lowered along the guide groove 13. Reciprocates between the storage position X1 and the overhang position Y1.
In the extended state of the advancing / retracting plate 4, the trochanters 8 and 8a are locked to the front ends of the guide grooves 13 and 13a at the rear, and the rubber cushioning material 14 attached to the upper end of the front wall 5 is the front at the side wall 4b. The horizontal state of the advancing / retreating plate 4 is maintained by supporting the lower end.

車外ステップ２は、進退踏板４の上記格納状態でこれの上方に車両ステップＳより外方へ食み出ない様にオーバーラップする上段格納位置X2と、進退踏板４の張出状態で車両ステップＳ前方下部に水平配置する車外張出位置Y2との間を進退踏板４に連動して往復動自在に設けた出没踏板15と、該出没踏板15に連動する様に取付けられ、出没踏板15の格納状態で車両ステップＳより前端部16ａが突出しない様に出没踏板15上にオーバーラップし、出没踏板15の張出状態でこれの前方にして同一平面上に連接する連動踏板16とから成る。   The vehicle outside step 2 includes an upper storage position X2 that overlaps the vehicle step S so that it does not protrude outward from the vehicle step S in the retracted state of the advancing / retreating plate 4 and a vehicle step S in the extended state of the advancing / retreating plate 4. A retractable tread plate 15 that is provided so as to be able to reciprocate in conjunction with the advancing / retreating step plate 4 between the vehicle overhang position Y2 that is horizontally disposed in the lower front portion, and is mounted so as to be interlocked with the retracted tread plate 15 so In this state, it is composed of an interlocking tread 16 which overlaps on the stepping plate 15 so that the front end portion 16a does not protrude from the vehicle step S and is connected to the same plane in front of the stepping plate 15 in the overhanging state.

出没踏板15は、進退踏板４より横幅が長く、後端がＬ字に起曲された奥行きが比較的短い帯板17と、該帯板17底部に固着した断面凹状の補強杆と、該補強杆の左右に固着した帯板17より奥行きが前方に長い側壁18とから成る。
各側壁18の後方には、支柱19を垂直立設しており、該支柱19は側壁18に平行な側板19ｂとこれの前後板19ａ、19ｃとにより内側が開放された平面視凹型に形成され、側壁18に固着される前後板19ａ、19ｃ下端はＬ型に突出形成され、側壁18と、これとの固着部位より上方の前後板19ａ、19ｃの間に支柱19の内側空間に通ずる間隙Ｐを設けている（図１、２参照）。 The stepping plate 15 has a longer width than that of the forward and backward stepping plate 4, a strip plate 17 whose rear end is bent into an L shape and a relatively short depth, a reinforcing rod having a concave cross section fixed to the bottom of the strip plate 17, and the reinforcing plate It consists of a side wall 18 which is longer forward than a strip 17 fixed to the left and right of the bag.
At the rear of each side wall 18, a support column 19 is vertically erected, and the support column 19 is formed in a concave shape in a plan view with its inner side open by a side plate 19b parallel to the side wall 18 and its front and rear plates 19a, 19c. The lower ends of the front and rear plates 19a and 19c fixed to the side wall 18 are formed to project in an L shape, and the gap P between the side wall 18 and the front and rear plates 19a and 19c above the fixed portion is connected to the inner space of the column 19 (See FIGS. 1 and 2).

そして、各支柱19の側板19ｂ外側上部と、車両ステップＳ上の左右壁６、6aとの間に、車外張出位置Y2で支柱19を介して出没踏板15を懸垂する左右一対の屈曲状アーム20の夫々を枢着連結している。   Then, a pair of left and right bent arms that hangs the stepping plate 15 via the support column 19 at the vehicle overhanging position Y2 between the upper side of the side plate 19b of each support column 19 and the left and right walls 6 and 6a on the vehicle step S. Each of the 20 is connected in a pivotal manner.

又、各アーム20には、これらの揺動によって移動する出没踏板15を上段格納位置X2と車外張出位置Y2で水平配置させ、且つ、一定の軌道上を往復動可能に制御するアームリンク機構を装備している。   In addition, each arm 20 has an arm link mechanism in which a retractable tread plate 15 that is moved by these swings is horizontally disposed at the upper storage position X2 and the vehicle overhang position Y2, and is controlled so as to be able to reciprocate on a fixed track. Equipped with.

アームリンク機構は、アーム20の適所（図示例では内側の屈曲部）にベルクランク21の屈曲部を枢着し、該ベルクランク21の一端と支柱19の側板19ｂ外側におけるアーム20先端との枢着部より下方部位との間、及びベルクランク21の他端と車両ステップＳ上の左右壁６、6aにおけるアーム20基端との枢着部より後方部位との間の夫々にリンク22、23を枢着連結している。   The arm link mechanism pivotally attaches a bent portion of the bell crank 21 to an appropriate position of the arm 20 (inner bent portion in the illustrated example), and pivots between one end of the bell crank 21 and the tip of the arm 20 outside the side plate 19b of the column 19. Links 22, 23 between the lower part from the attachment part and between the other end of the bell crank 21 and the rear part from the pivotal part of the arm 20 base end of the left and right walls 6, 6a on the vehicle step S, respectively. Are pivotally connected.

尚、左右のアームリンク機構におけるリンク23の車両ステップＳ上の左右壁６、6aとの枢着は、各リンク23の基端部を揺動クランク９の基端軸10に固着することで成され、これにより左右のアーム20及びアームリンク機構の動作が同期する様に成している。
又、本実施例では、リンク23の基端を揺動クランク９の基端軸10に固定したが、アーム20の基端を基端軸10に固定しても良く、この場合リンク23の基端が左右壁６、6aに枢着される。
そして、図１、２に示す様に、支柱19、アーム20とベルクランク21の先端方、及びリンク22は２分節のリンクカバー24、24ａ（説明の便宜上、左側のみ図示）にて被覆されている。 In addition, the pivot attachment of the link 23 to the left and right walls 6 and 6a on the vehicle step S in the left and right arm link mechanisms is achieved by fixing the base end portion of each link 23 to the base end shaft 10 of the swing crank 9. Thus, the operations of the left and right arms 20 and the arm link mechanism are synchronized.
In this embodiment, the base end of the link 23 is fixed to the base end shaft 10 of the swing crank 9. However, the base end of the arm 20 may be fixed to the base end shaft 10. The ends are pivotally attached to the left and right walls 6, 6a.
As shown in FIGS. 1 and 2, the column 19, the tip of the arm 20 and the bell crank 21, and the link 22 are covered with two-segment link covers 24 and 24a (only the left side is shown for convenience of explanation). Yes.

連動踏板16は、出没踏板15より横幅が若干長く、奥行きが出没踏板15と奥行きが略等しい横長矩形板と、該横長矩形板の前端縁及び左右側縁には進退踏板４と同様にコ字状の補強枠を垂下固着し、該補強枠が連動踏板16の前端部16ａと側壁16ｂを構成しており、側壁16ｂは前記横長矩形板よりも後方へ延出している。   The interlocking tread 16 is slightly longer in width than the stepping plate 15 and is substantially the same in depth as the stepping plate 15, and the front and left and right side edges of the horizontal plate are U-shaped in the same manner as the stepping plate 4. A reinforcing frame is suspended and fixed, and the reinforcing frame forms a front end portion 16a and a side wall 16b of the interlocking tread plate 16, and the side wall 16b extends rearward from the horizontally long rectangular plate.

そして、連動踏板16は、出没踏板15に適宜リンク機構を介して取付けられ、該リンク機構は、支柱19におけるアーム20又はリンク22（図示例ではリンク22）の枢軸に基端を固定したクランク25に連繋しており、該クランク25は支柱19における側板19ｂの内側に配されている。
リンク機構は、出没踏板15と連動踏板16の左右に取付けられるものにして、出没踏板15の側壁18と、連動踏板16の側壁16ｂの間に前後一対の平行なリンク26、26ａを枢着連結した平行クランク機構（以下、リンク機構26、26ａとも称する。）から成り、後方リンク26ａは曲臂状に形成され、その屈曲部とクランク25との間に連接杆27を枢着連結している。 Then, the interlocking tread 16 is attached to the in / out tread 15 via a link mechanism as appropriate, and the link mechanism is a crank 25 having a base end fixed to the pivot of the arm 20 or the link 22 (link 22 in the illustrated example) in the column 19. The crank 25 is arranged on the inner side of the side plate 19 b of the support column 19.
The link mechanism is attached to the left and right sides of the stepping plate 15 and the interlocking tread plate 16, and a pair of front and rear parallel links 26 and 26a are pivotally connected between the side wall 18 of the stepping plate 15 and the side wall 16b of the interlocking step plate 16. The rear link 26a is formed in a curved shape, and a connecting rod 27 is pivotally connected between the bent portion and the crank 25. .

尚、連動踏板16の側壁16ｂは、出没踏板15の側壁18と支柱19（前後板19ａ、19ｃ）との間隙Ｐに挿通介在し、支柱19に阻まれることなく動作できる様に成している（図１、２参照）。
又、支柱19において、側板19ｂの外側にはアーム20とリンク22の端部が枢着され、側板19ｂの内側にクランク25が枢着されると共に、これに連結される連接杆27が配置されるので、後板19ｃの上方は幅小に形成され、クランク25と連接杆27の屈伸動作に支障がない様にしている。 Incidentally, the side wall 16b of the interlocking tread 16 is inserted through a gap P between the side wall 18 of the stepping plate 15 and the support 19 (front and rear plates 19a, 19c) so that it can operate without being blocked by the support 19. (See FIGS. 1 and 2).
Further, in the column 19, the end portions of the arm 20 and the link 22 are pivotally attached to the outside of the side plate 19b, and a crank 25 is pivotally attached to the inside of the side plate 19b, and a connecting rod 27 connected thereto is disposed. Therefore, the upper portion of the rear plate 19c is formed with a small width so that the bending operation of the crank 25 and the connecting rod 27 is not hindered.

上記の様に構成された車外ステップ２は、基端軸10の正逆回転によるアームリンク機構の作動で、出没踏板15を連動踏板16と共に、上段格納位置X2と車外張出位置Y2との間を移動させ、その移動中にアームリンク機構のリンク22の枢軸が正逆回転し、これと同一回転するクランク25が連接杆27、リンク機構26、26ａを介して連動踏板16を出没踏板15の上方と前方との間に移動させ、格納状態と張出状態に変形させられる。   The vehicle outside step 2 configured as described above is the operation of the arm link mechanism by forward / reverse rotation of the base shaft 10, and the retractable step plate 15 together with the interlocking step plate 16 is located between the upper storage position X2 and the vehicle overhang position Y2. During this movement, the pivot of the link 22 of the arm link mechanism rotates forward and backward, and the crank 25 that rotates in the same direction moves the interlocking tread 16 through the connecting rod 27 and the link mechanisms 26, 26a. It is moved between the upper side and the front side, and is transformed into a retracted state and an extended state.

そして、車内外ステップ１、２を自動操作するために、揺動クランク９とリンク23の基端軸10を正逆回転自在に駆動装置28に連繋している。
この駆動装置28は、左壁６の左側に対向立設したモータベース29左側に図示しない電動モータと減速装置を設置し、モータベース29を貫通して左壁６に向かって突出する駆動軸28ａと、左壁６より外側（左側）へ突出する基端軸10とは、一対の同長クランク30、30ａとこのクランク30、30ａ間に枢着連接される連杆31とから成る平行クランク機構を介して連繋されている。 In order to automatically operate the inside and outside steps 1 and 2, the swing crank 9 and the base end shaft 10 of the link 23 are connected to the drive device 28 so as to be rotatable forward and backward.
This drive device 28 is provided with an electric motor and a speed reducer (not shown) on the left side of a motor base 29 that is erected on the left side of the left wall 6, and passes through the motor base 29 and protrudes toward the left wall 6. And the base shaft 10 projecting outward (left side) from the left wall 6 is a parallel crank mechanism comprising a pair of cranks 30 and 30a having the same length and a linkage 31 pivotally connected between the cranks 30 and 30a. It is connected through.

これにより、駆動装置28が作動し、その駆動軸28ａが正逆回転することで、該駆動軸28ａのクランク30が前後に揺動し、連杆31及びクランク30ａを介して基端軸10が駆動軸28ａと同一回転することにより、車内外ステップ１、２を変形移動させる。
尚、車内外ステップ１、２の張出状態と格納状態に対応するクランク30の各揺動位置には、該クランク30に触突するストッパー32、32ａを設けている（図１参照）。 As a result, the drive device 28 is operated and the drive shaft 28a rotates forward and backward, whereby the crank 30 of the drive shaft 28a swings back and forth, and the base shaft 10 is moved via the linkage 31 and the crank 30a. By rotating the same as the drive shaft 28a, the steps 1 and 2 inside and outside the vehicle are deformed and moved.
In addition, stoppers 32 and 32a that come into contact with the crank 30 are provided at each swing position of the crank 30 corresponding to the extended state and retracted state of the inside and outside steps 1 and 2 (see FIG. 1).

次に、上記の様に構成された補助ステップの動作について説明する。
車内外ステップ１、２の室内格納状態では、駆動軸28ａのクランク30は後方へ傾倒してストッパー32に触突し、連杆31、クランク30ａ及び基端軸10を介して揺動クランク９及びリンク23は車両ステップＳ上に後倒している。 Next, the operation of the auxiliary step configured as described above will be described.
In the indoor retracted state of steps 1 and 2 inside and outside the vehicle, the crank 30 of the drive shaft 28a tilts backward and touches the stopper 32, and the swing crank 9 and the crankshaft 9 through the linkage 31, the crank 30a and the base shaft 10 The link 23 is put back on the vehicle step S.

これにより、揺動クランク９とこれに連結している連杆11とは後方へ伸長し、転子８（枢軸12）、8aを案内溝13、13ａの後端に位置させて、進退踏板４を固定踏板３上の下段格納位置X1に後退させ、その後端部を固定踏板３の前端部3a上でオーバーラップさせ、進退踏板４の前端部4aを車両ステップＳより車外前方へ突出させずに、車両ステップＳ上に固定踏板３を介して格納配置している。   As a result, the swing crank 9 and the linkage 11 connected thereto extend rearward, and the trochanters 8 (the pivot shafts 12) and 8a are positioned at the rear ends of the guide grooves 13 and 13a. Is retracted to the lower storage position X1 on the fixed tread 3, the rear end is overlapped on the front end 3a of the fixed tread 3, and the front end 4a of the advancing / retreating step 4 is not projected forward from the vehicle step S to the outside of the vehicle. The vehicle is placed on the vehicle step S via the fixed tread 3.

又、支柱19及びリンク22、23は車両ステップＳ上で三つ折り状に屈曲、即ち支柱19は直立し、これに連結されたリンク22は後方へ倒立し、リンク23にベルクランク21を介して連結されたアーム20も車両ステップＳ上に後倒して、出没踏板15を進退踏板４上の上段格納位置X2に水平配置させている。   Further, the support column 19 and the links 22 and 23 are bent in a trifold shape on the vehicle step S, that is, the support column 19 is upright, the link 22 connected thereto is inverted backward, and the link 23 is connected to the link 23 via the bell crank 21. The connected arm 20 is also moved backward on the vehicle step S so that the retractable tread plate 15 is horizontally disposed at the upper storage position X2 on the advancing / retreating step plate 4.

そして、リンク22と同様に後倒するクランク25によって、該クランク25とこれに連結された連接杆27とは後方へ伸長し、リンク26、26ａを後倒させて連動踏板16を出没踏板15上にオバーラップさせ、その前端部16ａを車両ステップＳより車外へ突出させずに、出没踏板15上に水平に格納配置している。
よって、車内外ステップ１、２は、車両ステップＳ上にその奥行きに対応すべく、夫々を構成する踏板３、４、15、16が収縮する様に重層格納され、車両ドアの開閉に何らの支障を来すことがない。 As with the link 22, the crank 25 that moves backward causes the crank 25 and the connecting rod 27 connected thereto to extend rearward, and the links 26 and 26 a are moved backward to move the interlocking tread 16 on the retracted tread 15. The front end portion 16a is stored horizontally on the stepping plate 15 without protruding from the vehicle step S to the outside of the vehicle.
Therefore, the steps 1 and 2 inside and outside the vehicle are stored in multiple layers on the vehicle step S so that the treads 3, 4, 15, and 16 constituting the respective steps contract in order to correspond to the depth of the vehicle step S. There will be no hindrance.

上記格納状態から車内外ステップ１、２を張り出すには、駆動装置28を作動し、クランク30、30ａ及び連接杆31を介して基端軸10を回動させることにより、後倒状態の揺動クランク９及びリンク23を前方へ揺動させる。
これにより揺動クランク９と連杆11が前方で屈曲し、転子８（枢軸12）、8aを案内溝13、13ａの後端より下方に位置する前端へ位置させて、進退踏板４を固定踏板３前方の張出位置Y1に配置させ、進退踏板４と固定踏板３を同一平面上の前後に連接させて車内ステップ１を車両ステップＳよりも奥行きが長くなった状態で車両ステップＳより乗降口前方の車外へ張り出させる。 In order to project the inside and outside steps 1 and 2 from the stored state, the drive device 28 is operated, and the base shaft 10 is rotated via the cranks 30 and 30a and the connecting rod 31, thereby swinging the vehicle in the backward state. The dynamic crank 9 and the link 23 are swung forward.
As a result, the swinging crank 9 and the linkage 11 are bent forward, and the trochanters 8 (the pivot shafts 12) and 8a are positioned at the front end located below the rear ends of the guide grooves 13 and 13a, and the advancing / retreating plate 4 is fixed. Place in the overhanging position Y1 in front of the tread board 3, connect the advancing / retreating tread board 4 and the fixed tread board 3 back and forth on the same plane, and get in and out of the vehicle step S from the vehicle step S in a state where the depth is longer than the vehicle step S Project outside the car in front of the mouth.

同時に、三つ折り状に屈曲していた支柱19、リンク22、23が徐々に伸張すると共に、ベルクランク21を介してアーム20も同様に前方へ揺動し、出没踏板15を連動踏板16と共に進退踏板４上の上段格納位置X2から離脱させながら前方へ繰り出し、やがて車両ステップＳの前方下部の張出位置Y2への一定の軌道上を移動して車外張出位置Y2に到達させる。   At the same time, the support column 19 and the links 22 and 23 bent in a trifold shape gradually expand, and the arm 20 similarly swings forward through the bell crank 21 so that the stepping plate 15 moves forward and backward together with the interlocking step plate 16. While moving away from the upper storage position X2 on the tread board 4, the vehicle is advanced forward, and eventually moves on a fixed track to the overhang position Y2 in the lower front part of the vehicle step S to reach the outboard position Y2.

車外張出位置Y2への移動過程では、車両ステップ２上で倒立状態であったリンク22が徐々に前転して立ち上がることで、後倒していたクランク25を直立させ、これによりクランク25と連接杆27が屈曲し、リンク26、26ａを前傾させ、出没踏板15が車外張出位置Y2に到達した時に連動踏板16を出没踏板15の前方にして同一平面上に連接させて車外ステップ２を車両ステップＳよりも奥行きが長くなった状態で全体が車両ステップＳ（乗降口）前方下部に張り出させる。   In the process of moving to the vehicle overhanging position Y2, the link 22 that was in an inverted state on the vehicle step 2 gradually turns forward and rises, so that the crank 25 that has been inverted is brought upright and connected to the crank 25. When the rod 27 is bent, the links 26 and 26a are tilted forward, and when the stepping plate 15 reaches the vehicle overhanging position Y2, the interlocking stepping plate 16 is placed in front of the stepping plate 15 and connected to the same plane to The whole is extended to the front lower part of the vehicle step S (entrance / exit) with the depth longer than the vehicle step S.

かかる状態では駆動装置28は停止し、クランク30は前方へ倒伏してストッパー32ａに触突する。
以上の様に、奥行きが長く面積が拡張された車外ステップ２は、車両ステップＳ上で同じく乗降口前方に面積拡張された車内ステップ１と地上間の足継ぎとして利用される。 In such a state, the driving device 28 stops, and the crank 30 falls forward and touches the stopper 32a.
As described above, the outside step 2 with a long depth and an expanded area is used as a foot joint between the in-vehicle step 1 and the area on the vehicle step S which are also expanded in front of the entrance and exit.

上記張出状態の車内外ステップ１、２を格納するには、駆動装置28を作動して、基端軸10を上記と逆の後方へ揺動させることにより、車内外ステップ１、２を上記と逆の手順で動作させ、夫々を構成する踏板３、４、15、16を車両ステップＳ上に重層格納させる。   In order to store the vehicle interior / exterior steps 1 and 2 in the overhanging state, the drive device 28 is operated to swing the base end shaft 10 backward in the reverse direction, so that the vehicle interior / exterior steps 1 and 2 are performed. The treads 3, 4, 15, and 16 constituting each of them are stored on the vehicle step S in multiple layers.

１ 車内ステップ
２ 車外ステップ
３ 固定踏板
４ 進退踏板
4a 前端部
９ 揺動クランク
15 出没踏板
16 連動踏板
16ａ 前端部
19 支柱
20 アーム
21 ベルクランク
22 リンク
23 リンク
25 クランク
26、26ａ リンク機構
28 駆動装置
Ｓ 車両ステップ
X1 下段格納位置
X2 上段格納位置
Y1 張出位置
Y2 車外張出位置 1 Step inside the car 2 Step outside the car 3 Fixed tread 4 Forward / backward tread
4a Front end 9 Swing crank
15 Raised tread board
16 Interlocking tread
16a Front end
19 Prop
20 arms
21 Bell crank
22 links
23 links
25 cranks
26, 26a Link mechanism
28 Drive unit S Vehicle step
X1 Lower storage position
X2 Upper storage position
Y1 overhang position
Y2 vehicle overhang position

Claims (2)

既設の車両ステップ上にこれより外方へ食み出ない様に水平配置した固定踏板と、車両ステップより前端部が車外前方へ突出しない様に固定踏板上でオーバーラップする下段格納位置と、車両ステップより前端部が車外前方へ所定長さ突出する様に固定踏板の前方でこれと同一平面上に連接する張出位置との間を往復動自在に設けた進退踏板とから成る車内ステップと、進退踏板の格納状態でこれの上方に車両ステップより外方へ食み出ない様にオーバーラップする上段格納位置と、進退踏板の張出状態で車両ステップ前方下部に水平配置する車外張出位置との間を進退踏板に連動して往復動自在に設けた出没踏板と、該出没踏板に連動する様に取付けられ、出没踏板の格納状態で車両ステップより前端部が突出しない様に出没踏板上にオーバーラップし、出没踏板の張出状態でこれの前方にして同一平面上に連接する連動踏板とから成る車外ステップとにより構成して成り、出没踏板は左右に支柱を垂直立設し、各支柱と車両ステップとの間に車外張出位置で支柱を懸垂する左右一対のアームの夫々を枢着連結し、各アームの適所にベルクランクの屈曲部を枢着し、該ベルクランクの一端と支柱との間、及びベルクランクの他端と車両ステップとの間の夫々にリンクを枢着連結し、基端軸を車両ステップに枢着されるアーム又はリンクと同一と成した揺動クランクを適宜進退機構を介して進退踏板に連繋し、連動踏板は出没踏板に適宜リンク機構を介して取付けられ、該リンク機構は、支柱におけるアーム又はリンクの枢軸に基端を固定したクランクに連繋したことを特徴とする車室内格納式補助ステップ。 A fixed tread that is horizontally arranged on an existing vehicle step so as not to protrude outward, a lower storage position that overlaps the fixed tread so that the front end of the vehicle step does not protrude forward outside the vehicle, and the vehicle An in-vehicle step composed of an advancing / retreating step plate that is reciprocally movable between an extension position connected to the front of the fixed tread plate in the same plane in front of the fixed tread plate so that the front end portion protrudes to the front outside the vehicle by a predetermined length from the step; An upper storage position that overlaps the vehicle step so that it does not protrude outward from the vehicle step in the retracted state of the advancing / retracting plate, and a vehicle outside protruding position that is horizontally disposed at the front lower part of the vehicle step with the advancing / retreating plate protruding An in / out tread plate that is provided so as to be able to reciprocate in conjunction with the advance / retreat step plate, and is mounted on the in / out step plate so that the front end portion does not protrude from the vehicle step when the in / out step plate is retracted. Oh And Rappu made constituted by the outside of the vehicle steps consisting of interlocking step board which connects on the same plane in the front of this in the projecting state of the infested treadle infested step board is vertically erected pillars to the left and right, and each strut Each of a pair of left and right arms that suspend the column at the vehicle overhang position is pivotally connected to the vehicle step, and a bent portion of a bell crank is pivotally mounted at an appropriate position of each arm. , And the other end of the bell crank and the vehicle step are pivotally connected to each other, and the swinging crank having the base shaft that is the same as the arm or link pivotally attached to the vehicle step is appropriately advanced and retracted. It is connected to the advancing / retreating step board via a mechanism, the interlocking step board is attached to the in / out tread board via a link mechanism as appropriate, and the link mechanism is connected to a crank having a base end fixed to the pivot of the arm or the link in the column. To Indoor retractable auxiliary step. 上記基端軸を正逆回転自在に駆動装置に連繋したことを特徴とする請求項１記載の車室内格納式補助ステップ。
 2. The retractable auxiliary step in the vehicle interior according to claim 1, wherein the base end shaft is connected to a drive device so as to be rotatable forward and backward .
JP2010273332A 2010-12-08 2010-12-08 Retractable auxiliary step in the passenger compartment Expired - Fee Related JP5688956B2 (en)

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KR101355619B1 (en) * 2012-11-07 2014-01-27 기아자동차주식회사 Intelligent side step apparatus for vehicle
KR101688454B1 (en) * 2015-03-25 2016-12-21 현대모비스 주식회사 External air bag apparatus of vehicles

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