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WO2002100711A1 - Foldable pedal mechanism for bicycle - Google Patents

Foldable pedal mechanism for bicycle Download PDF

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Publication number
WO2002100711A1
WO2002100711A1 PCT/JP2001/004854 JP0104854W WO02100711A1 WO 2002100711 A1 WO2002100711 A1 WO 2002100711A1 JP 0104854 W JP0104854 W JP 0104854W WO 02100711 A1 WO02100711 A1 WO 02100711A1
Authority
WO
WIPO (PCT)
Prior art keywords
pedal
main shaft
prism
groove
lock
Prior art date
Application number
PCT/JP2001/004854
Other languages
French (fr)
Japanese (ja)
Inventor
Masatoshi Sato
Original Assignee
Sato, Takayuki
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sato, Takayuki filed Critical Sato, Takayuki
Priority to PCT/JP2001/004854 priority Critical patent/WO2002100711A1/en
Publication of WO2002100711A1 publication Critical patent/WO2002100711A1/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K15/00Collapsible or foldable cycles
    • B62K15/006Collapsible or foldable cycles the frame being foldable
    • B62K15/008Collapsible or foldable cycles the frame being foldable foldable about 2 or more axes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M3/00Construction of cranks operated by hand or foot
    • B62M3/08Pedals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K15/00Collapsible or foldable cycles
    • B62K2015/003Collapsible or foldable cycles having a foldable crank or pedal

Definitions

  • the present invention relates to a foldable pedal mechanism for a bicycle.
  • the conventional bicycle foldable pedal that rotates the pedal stepping plate has a problem that the pedal main shaft projects from the crank rod even when the pedal is folded, and the pedal main shaft is in the way.
  • the rotating portion is provided on the pedal stepping plate, the connecting portion between the pedal main shaft and the pedal stepping plate becomes complicated, and therefore, there is a problem that the strength of the connecting portion is reduced.
  • the conventional configuration in which the lower portion of the crank opening is rotatable has a problem that the strength of the crank rod is reduced.
  • a main object of the present invention is to provide a bicycle pedal folding mechanism having high strength without providing a rotating portion between a pedal and a crank rod. Disclosure of the invention
  • a prism is formed on one side of the pedal main shaft, and the prism is It is held by a rectangular tube formed at the lower end of the rod so as to be able to slide in a direction perpendicular to the crank rod.
  • a pair of side plate portions are provided to project from both side walls of the rectangular tube portion.
  • An elongated protrusion of the lock body and a protrusion of the guide body are fixedly provided on the pair of side plate portions on a coaxial line, and these protrusion portions are fitted into grooves formed on both side surfaces of the prism portion. I have.
  • the pedal main shaft is usually pushed into a rectangular cylinder portion of a crank rod, and in this pushed state, a relation between the elongated convex portion and a hook hole formed at one end of a groove of the prism portion is formed.
  • the pedal main shaft is locked to the rectangular cylinder of the crank rod.
  • the engagement between the elongated protrusion and the lock hole can be released.
  • the pedal main shaft protrudes a predetermined distance in a direction away from the prismatic cylinder portion of the crank rod due to a spring force, and the rear end of the prismatic column portion of the pedal main shaft projects from the crank rod rectangular cylinder portion. Come off.
  • the pedal can be folded by rotating the pedal main shaft by 90 degrees around the projection on the side plate portion side to make the pedal main shaft parallel to the crank rod.
  • Fig. 1 is a side view of the present invention
  • Fig. 2 is a plan view of the present invention
  • Fig. 3 is a plan view of a state where a pedal main shaft is pulled out from a crank rod
  • Fig. 4 is a state where a pedal main shaft is drawn out of a crank rod.
  • Fig. 5 is a side view of the pedal main shaft in a folded state
  • Fig. 6 is a cross-sectional view taken along line A-A
  • Fig. 7 is a cross-sectional view taken along line B-B
  • Fig. 8 is an external view of a lock body. is there.
  • (2) is a crank rod of the pedal mechanism of the bicycle, and has a rectangular tubular portion (2a) formed at the lower end thereof.
  • the square tube portion (2a) has a square hole (2b), and the square hole (2b) is a square pillar portion (4a) of the pedal main shaft (4). Slidably in a direction perpendicular to the longitudinal direction of the crank rod (2).
  • Side plate portions (6) (8) extending in a direction perpendicular to the rod (2) are formed on both side walls of the rectangular tube portion (2a).
  • the side plates (6) and (8) are opened up and down to allow the pedal spindle (4) to swing in the folding direction.
  • a pedal (10) is rotatably mounted on the pedal main shaft (4).
  • the prism portion (4a) of the pedal main shaft (4) is slidably fitted to the prismatic portion (2a) of the crank rod (2). Grooves are formed on both sides of the prism (4a) at right angles to the longitudinal direction of the crank rod (2).
  • (1 2) (14) is drilled.
  • a threaded portion of the guide (16) is fixed, and the cylindrical projection (16) of the guide (16) is fixed.
  • a) 1S It is slidably fitted in the groove (14).
  • (18) is a shaft-shaped lock body, and as shown in FIG. 8, a screw portion (18a), a shaft portion (18b), a stepped cylindrical portion (18c), It is composed of elongated protrusions (18 d).
  • the end surface of the convex portion (18 d) perpendicular to the axial direction has a substantially rectangular shape, and a curved surface is formed on both longitudinal side surfaces (18 e). Have been.
  • the large diameter portion of the stepped cylindrical portion (18 c) of the lock body (18) is inserted into the hole of the side plate portion (8) of the rectangular tube portion (2a) of the crank rod (2).
  • the outer peripheral surface of the lock body (18) is rotatably fitted, and the protrusion (18d) of the lock body (18) is slidably inserted into the groove (12) of the prism (4a).
  • a cylindrical lock hole (20) is formed in one of the grooves (12).
  • the width d 1 of the groove (1 2) and the width d 2 of the convex portion (18 d) in the short direction are set to be substantially the same, and the diameter of the lock hole (20) and the convex portion (1 8
  • the length in the longitudinal direction of d) is set to be almost the same.
  • Reference numeral (22) denotes a lock operation lever, and a hole formed in one of the lock operation levers is fitted to the shaft portion (18b) of the lock body (18).
  • One of the lock operation levers (22) includes a nut (24) screwed into a screw portion (18 a) of the lock body (18) via a washer and a stepped cylindrical portion of the lock body (18). 1 8 c) Is defined.
  • a cylindrical lever swing range restricting means (26) is fixed to the side plate part (8) of the rectangular tube part (2a) of the crank rod (2), and a lock body is provided in the restricting means (26).
  • One part of (18) is arranged.
  • a slit (28) is formed in the peripheral wall of the restricting means (26), and the lever (22) extends outward through the slit (28).
  • a swing range of the lever (22) along the slit (22) around the shaft (18b) of the lock body (18) is set to 90 degrees.
  • the end face of the large-diameter portion of the stepped cylindrical portion (18 c) of the lock body (18) abuts against the wall surface around the hole formed in the bottom wall (30) of the regulating means (26), The axial movement of the body (18) is locked by the wall surface of the groove (12) and the bottom wall (30) of the lever movement range regulating means (26). As shown in FIG.
  • the projections (16a) and (18d) of the guide body (16) and the lock body (18) are arranged coaxially.
  • the prismatic part (4a) of the pedal main shaft (4) is fixed as shown in Fig. 1 until the convex part (16a) of the guide body (16) is engaged with one end wall of the groove (14). At the same time, it is pushed into the prism (2a) at the lower end of the crank rod (2) and is at right angles to the crank rod (2).
  • the protrusion (18 d) of the lock body (18) is located in the lock hole (20) at one end of the groove (12), and the longitudinal direction of the protrusion (18 d) is The direction is perpendicular to the longitudinal direction of the groove (12), and the projection (18d) is locked on the peripheral surface of the lock hole (20).
  • the leper (22) has fallen to one end (a) of the slit (28) due to the elasticity of the spring.
  • To fold the pedal push the lever (22) with your foot 90 degrees against the elasticity of the spring, and push the lepper (22) toward the other end (b) of the slit (28).
  • the lever (22) is swung 90 degrees, the longitudinal direction of the convex portion (18d) is parallel to the longitudinal direction of the groove (12), and the locking member (18) of the dull main shaft (4) is rotated. Is released.
  • the pedal main shaft (4) projects outward of the bicycle along the rectangular tube (2a) by the elastic force of the spring (30), and the prism ( 4a), as shown in FIG.
  • the pedal / spindle (4) is staked into the square tube portion (2a) of the crank rod (2) by the elastic force of the spring (30) and pushed into the original position.
  • the pedal main shaft (4) is When it reaches the original position, it is located in the convex part (18d) force lock hole (20) of the lock body (18).
  • the leper (22) automatically swings 90 degrees by the spring force until it is locked at one end (a) of the slit (28).
  • the projection (1 8d) has a longitudinal direction perpendicular to the longitudinal direction of the groove (1 2) in the lock hole (20), and the pedal main shaft (4) has an angle of the crank rod (2). Locked to the tube (2a).
  • the folding pedal mechanism for a bicycle according to the present invention can compactly fold the petals and can firmly configure the joint between the petty and the crank rod.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Control Devices (AREA)

Abstract

A foldable pedal mechanism for bicycle, wherein, when a pedal main shaft (4) is located at a normal position relative to a prismatic part (2a), the projected part (18d) of a lock body (18) is fitted to a lock hole (20) at a specified angle to lock the pedal main shaft (4) to the prismatic part (2a) and, when a lock operation lever (22) is rotated to change the angle of the projected part (18d) of the lock body (18), the lock is released to allow the pedal main shaft (4) to be withdrawn to a position for disengaging the prismatic part (4a) of the pedal main shaft (4) from the prismatic part (2a), and the pedal main shaft (4) can be folded up from the withdrawn position so as to be parallel with a crank rod (2).

Description

明 細 書 自転車用折り畳みペダル機構 技術分野  Description Bicycle folding pedal mechanism Technical field
本発明は、 自転車用の折り畳み可能なペダル機構に関する。 背景技術  The present invention relates to a foldable pedal mechanism for a bicycle. Background art
自転車本体の両側方に突出したペダルを折り畳み、 自転車の駐輪スペースを 小さくする目的の自転車用折り畳みペダルは、 従来種々の構造のものが提案さ れている。 例えば、 ペダル踏み板を回転させることにより、 ペダルを折り畳む ものが日本国実公昭 6 2 - 3 4 8 7 7号公報、 同実開平 5— 1 6 8 9号公報及 ぴ同特開平 7—1 4 4 6 7 8号公報に開示されている。 また、 クランクロッド を二分割し、 クランクロッドの下方部分を上方部分に対して回転させることに より、 ペダルを自転車の中央方向に移動可能とするものが日本国特開 2 0 0 1 - 3 9 3 7 5号公報に開示されている。  Hitherto, various types of bicycle folding pedals have been proposed as folding pedals for folding a pedal protruding to both sides of a bicycle body to reduce a bicycle parking space. For example, those which fold the pedal by rotating the pedal step plate are disclosed in Japanese Utility Model Publication No. Sho 62-34887, Japanese Utility Model Laid-Open No. 5-16989, and Japanese Patent Application Laid-Open No. Hei 7-14. This is disclosed in Japanese Patent Publication No. 4678/98. Japanese Patent Laid-Open Publication No. 2001-3999 discloses a crank rod that is divided into two parts, and the lower part of the crank rod is rotated with respect to the upper part so that the pedal can be moved toward the center of the bicycle. It is disclosed in Japanese Patent Publication No. 375/375.
ペダル踏み板を回転させる従来の自転車の折り畳み式のペダルは、 ペダルを 折り畳んでもペダル主軸がクランクロッドから突出してしまい、 ペダル主軸が 邪魔になるという問題点がある。 また、 ペダル踏み板に回転部を設けるため、 ペダル主軸とペダル踏み板との結合部が複雑となり、 そのため、 該結合部の強 度が低くなるという問題点がある。 また、 従来のクランク口ッド下部を回転可 能とする構成は、 クランクロッドの強度が低くなるという問題点がある。 本発明の主たる目的は、 ペダルゃクランクロッドに回転部を設けないで、 強 度の高い自転車用ペダル折り畳み機構を提供することである。 発明の開示  The conventional bicycle foldable pedal that rotates the pedal stepping plate has a problem that the pedal main shaft projects from the crank rod even when the pedal is folded, and the pedal main shaft is in the way. In addition, since the rotating portion is provided on the pedal stepping plate, the connecting portion between the pedal main shaft and the pedal stepping plate becomes complicated, and therefore, there is a problem that the strength of the connecting portion is reduced. In addition, the conventional configuration in which the lower portion of the crank opening is rotatable has a problem that the strength of the crank rod is reduced. A main object of the present invention is to provide a bicycle pedal folding mechanism having high strength without providing a rotating portion between a pedal and a crank rod. Disclosure of the invention
本努明は、 ペダル主軸の一方側に角柱部が形成され、 該角柱部がクランク口 ッドの下端に形成された角筒部に、 クランクロッドに対して直角方向にスライ ド可能に保持されている。 前記角筒部の両側壁には一対の側板部が突設されて いる。 前記一対の側板部には同軸線上にロック体の細長状の凸部とガイド体の 凸部が固設され、 これらの凸部は前記角柱部の両側面に形成された溝に嵌合し ている。 ペダル主軸は、 通常はクランクロッドの角筒部に押し込まれ、 この押 し込まれた状態で、 前記細長状の凸部と前記角柱部の溝の一端に形成された口 ック穴との係合により、 ペダル主軸は、 クランクロッドの角筒部にロックされ る。 前記ロック体に連結するレバーを揺動することにより、 前記細長状の凸部 とロック穴との係合を解除することができる。 ペダル主軸に対するロックが解 除されると、 ペダル主軸は、 ばね力により、 クランクロッドの角筒部から外れ る方向に所定距離突出し、 ペダル主軸の角柱部の後端がクランクロッドの角筒 部から外れる。 該状態において、 ペダル主軸を前記側板部側の凸部を中心とし て 9 0度回転させ、 ペダル主軸をクランクロッドと平行とし、 ペダルを折り畳 むことができる。 図面の簡単な説明 In this effort, a prism is formed on one side of the pedal main shaft, and the prism is It is held by a rectangular tube formed at the lower end of the rod so as to be able to slide in a direction perpendicular to the crank rod. A pair of side plate portions are provided to project from both side walls of the rectangular tube portion. An elongated protrusion of the lock body and a protrusion of the guide body are fixedly provided on the pair of side plate portions on a coaxial line, and these protrusion portions are fitted into grooves formed on both side surfaces of the prism portion. I have. The pedal main shaft is usually pushed into a rectangular cylinder portion of a crank rod, and in this pushed state, a relation between the elongated convex portion and a hook hole formed at one end of a groove of the prism portion is formed. In some cases, the pedal main shaft is locked to the rectangular cylinder of the crank rod. By swinging the lever connected to the lock body, the engagement between the elongated protrusion and the lock hole can be released. When the lock on the pedal main shaft is released, the pedal main shaft protrudes a predetermined distance in a direction away from the prismatic cylinder portion of the crank rod due to a spring force, and the rear end of the prismatic column portion of the pedal main shaft projects from the crank rod rectangular cylinder portion. Come off. In this state, the pedal can be folded by rotating the pedal main shaft by 90 degrees around the projection on the side plate portion side to make the pedal main shaft parallel to the crank rod. BRIEF DESCRIPTION OF THE FIGURES
第 1図は本発明の側面図、 第 2図は本発明の平面図、 第 3図はペダル主軸を クランクロッドから引き出した状態の平面図、 第 4図はペダル主軸をクランク ロッドから引き出した状態の側面図、 第 5図はペダル主軸を折り畳んだ状態の 側面図、 第 6図は A— A線断面図、 第 7図は B— B線断面図、 第 8図はロック 体の外観図である。 発明を実施するための最良の形態  Fig. 1 is a side view of the present invention, Fig. 2 is a plan view of the present invention, Fig. 3 is a plan view of a state where a pedal main shaft is pulled out from a crank rod, and Fig. 4 is a state where a pedal main shaft is drawn out of a crank rod. Fig. 5 is a side view of the pedal main shaft in a folded state, Fig. 6 is a cross-sectional view taken along line A-A, Fig. 7 is a cross-sectional view taken along line B-B, and Fig. 8 is an external view of a lock body. is there. BEST MODE FOR CARRYING OUT THE INVENTION
本発明をより詳細に説明するために添付の図面に従ってこれを説明する。 ( 2 )は自転車のペダル機構のクランクロッドであり、これの下端に角筒部(2 a ) がー体的に形成されている。 角筒部 (2 a ) は、 第 7図に示すように、 角 穴 (2 b ) を備え、 この角穴 (2 b ) は、 ペダル主軸 (4 ) の角柱部 (4 a ) を、 クランクロッド (2) の長手方向に対して直角な方向にスライド自在に案 内するように構成されている。 The present invention will be described with reference to the accompanying drawings in order to explain the present invention in more detail. (2) is a crank rod of the pedal mechanism of the bicycle, and has a rectangular tubular portion (2a) formed at the lower end thereof. As shown in FIG. 7, the square tube portion (2a) has a square hole (2b), and the square hole (2b) is a square pillar portion (4a) of the pedal main shaft (4). Slidably in a direction perpendicular to the longitudinal direction of the crank rod (2).
前記角筒部 (2 a) の両側壁には、 前記ロッド (2) に対して直角方向に延 びる側板部 (6) (8) がー体的に形成されている。 側板部 (6) (8) 間は前 記ペダル主軸 (4) の折り畳み方向の揺動を可能とするため、 上下に開放され ている。 前記ペダル主軸 (4) にはペダル (1 0) が回転自在に取り付けられ ている。 前記ペダル主軸 (4) の角柱部 (4 a) は、 前記クランクロッド (2) の角筒部 (2 a) にスライド自在に嵌合配置されている。 前記角柱部 (4 a) の両側部には、 前記クランクロッド (2) の長手方向に対して直角方向に、 溝 Side plate portions (6) (8) extending in a direction perpendicular to the rod (2) are formed on both side walls of the rectangular tube portion (2a). The side plates (6) and (8) are opened up and down to allow the pedal spindle (4) to swing in the folding direction. A pedal (10) is rotatably mounted on the pedal main shaft (4). The prism portion (4a) of the pedal main shaft (4) is slidably fitted to the prismatic portion (2a) of the crank rod (2). Grooves are formed on both sides of the prism (4a) at right angles to the longitudinal direction of the crank rod (2).
(1 2) (14) が穿設されている。 前記角筒部 (2 a) の側板部 (6) の先端 の近傍には、 ガイド体 (1 6) のねじ部が固定され、 該ガイド体 (1 6) の円 柱状の凸部 (1 6 a) 1S 前記溝 (14) にスライド自在に嵌合している。 (1 8) は、 軸状のロック体であり、 図 8に示すように、 ねじ部 (1 8 a) と、 軸 部 (1 8 b) と、 段付円柱部 (1 8 c) と、 細長状の凸部 (1 8 d) とから構 成されている。 前記凸部 (1 8 d) の軸方向に垂直な端面は、 図 8に示すよう に、 略長方形を呈し、 その長手方向側の両側面 (1 8 e) には、 アール (曲面) が形成されている。 前記クランクロッド (2) の角筒部 (2 a) の側板部 (8) の穴に図 6に示すように、 ロック体 (1 8) の段付円柱部 (1 8 c) の大径部 の外周面が回転自在に嵌合し、 ロック体 (1 8) の凸部 (1 8 d) が前記角柱 部 (4 a) の溝 (1 2) にスライド自在に揷入されている。 前記溝 (1 2) の 一方には、 円柱状のロック穴 (20) が形成されている。 前記溝 (1 2) の幅 d 1と前記凸部 (1 8 d) の短手方向の幅 d 2とは、 略同一に設定され、 ロッ ク穴 (20) の直径と凸部 (1 8 d) の長手方向の長さとは略同一に設定され ている。 (22)はロック操作レバーであり、その一方に形成された穴がロック 体 (1 8) の軸部 (1 8 b) に嵌合している。 前記ロック操作レバー (22) の一方は、 ロック体 (1 8) のねじ部 (1 8 a) に座金を介してねじ込まれた ナット (24) とロック体 (1 8) の段付円柱部 (1 8 c) の端面とで挟圧固 定されている。 前記クランクロッド (2) の角筒部 (2 a) の側板部 (8) には、 円筒型のレバー揺動範囲規制手段 (26) が固着され、 該規制手段 (2 6) 内にロック体 (1 8) の一方部分が配置されている。 前記規制手段 (26) の周壁には、 スリット (28) が形成され、 前記レバー (22) は、 該スリツ ト (28) を貫通して、 外方に延びている。 前記レバー (22) の前記スリツ ト (22) に沿った、 前記ロック体 (1 8) の軸部 (1 8 b) を中心とする揺 動範囲は、 90度に設定されている。 前記規制手段 (26) の底壁 (30) に 形成された穴の周囲の壁面に前記ロック体 (1 8) の段付円柱部 (1 8 c) の 大径部の端面が当接し、 ロック体 (1 8) は、 溝 (1 2) の壁面と、 レバー移 動範囲規制手段 (26) の底壁 (30) とによって、 軸方向の移動が係止され ている。 前記レバー (22) 図 1に示すように、 規制手段 (26) のスリ ット (28) の一端 (a) に係止されている状態において、 前記凸部 (1 8 d) の長手方向は、 溝 (1 2) に対して直角に向き、 レバー (22) が図 4に示す ように、 規制手段 (26) のスリット (28) の他端 (b) に移動すると、 凸 部 (1 8 d) の長手方向は、 溝 (1 2) の長手方向と平行に向くように設定さ れている。 前記ペダル主軸 (4) には、 ばね (30) が圧縮嵌揷配置され、 こ のばね (30) によって、 ペダル主軸 (4) は、 前記側板部 (6) (8) の端部 を支点として、 自転車の外側方へ突出する方向に付勢されている。 前記レバー(1 2) (14) is drilled. In the vicinity of the tip of the side plate (6) of the rectangular tube (2a), a threaded portion of the guide (16) is fixed, and the cylindrical projection (16) of the guide (16) is fixed. a) 1S It is slidably fitted in the groove (14). (18) is a shaft-shaped lock body, and as shown in FIG. 8, a screw portion (18a), a shaft portion (18b), a stepped cylindrical portion (18c), It is composed of elongated protrusions (18 d). As shown in FIG. 8, the end surface of the convex portion (18 d) perpendicular to the axial direction has a substantially rectangular shape, and a curved surface is formed on both longitudinal side surfaces (18 e). Have been. As shown in FIG. 6, the large diameter portion of the stepped cylindrical portion (18 c) of the lock body (18) is inserted into the hole of the side plate portion (8) of the rectangular tube portion (2a) of the crank rod (2). The outer peripheral surface of the lock body (18) is rotatably fitted, and the protrusion (18d) of the lock body (18) is slidably inserted into the groove (12) of the prism (4a). A cylindrical lock hole (20) is formed in one of the grooves (12). The width d 1 of the groove (1 2) and the width d 2 of the convex portion (18 d) in the short direction are set to be substantially the same, and the diameter of the lock hole (20) and the convex portion (1 8 The length in the longitudinal direction of d) is set to be almost the same. Reference numeral (22) denotes a lock operation lever, and a hole formed in one of the lock operation levers is fitted to the shaft portion (18b) of the lock body (18). One of the lock operation levers (22) includes a nut (24) screwed into a screw portion (18 a) of the lock body (18) via a washer and a stepped cylindrical portion of the lock body (18). 1 8 c) Is defined. A cylindrical lever swing range restricting means (26) is fixed to the side plate part (8) of the rectangular tube part (2a) of the crank rod (2), and a lock body is provided in the restricting means (26). One part of (18) is arranged. A slit (28) is formed in the peripheral wall of the restricting means (26), and the lever (22) extends outward through the slit (28). A swing range of the lever (22) along the slit (22) around the shaft (18b) of the lock body (18) is set to 90 degrees. The end face of the large-diameter portion of the stepped cylindrical portion (18 c) of the lock body (18) abuts against the wall surface around the hole formed in the bottom wall (30) of the regulating means (26), The axial movement of the body (18) is locked by the wall surface of the groove (12) and the bottom wall (30) of the lever movement range regulating means (26). As shown in FIG. 1, when the lever (22) is locked to one end (a) of the slit (28) of the regulating means (26), the longitudinal direction of the projection (18 d) is When the lever (22) moves to the other end (b) of the slit (28) of the regulating means (26) as shown in FIG. The longitudinal direction of d) is set to be parallel to the longitudinal direction of the groove (1 2). A spring (30) is compression-fitted on the pedal main shaft (4). With this spring (30), the pedal main shaft (4) is supported by the ends of the side plate portions (6) and (8) as fulcrums. The bicycle is urged to protrude outward. The lever
(22) は、 ばね (図示省略) によって、 ロック方向即ちスリ ット (1 2) の 一端 (a) に係止される方向に付勢されている。 前記ガイド体 (1 6) とロッ ク体 (1 8) の各凸部 (1 6 a) (1 8 d) は同軸上に配置されている。 (22) is urged by a spring (not shown) in the locking direction, that is, the direction in which it is locked to one end (a) of the slit (12). The projections (16a) and (18d) of the guide body (16) and the lock body (18) are arranged coaxially.
次に本実施形態の作用について説明する。  Next, the operation of the present embodiment will be described.
通常、 ペダル主軸 (4) の角柱部 (4 a) は、 ガイド体 (1 6) の凸部 (1 6 a) が溝 (14) の一端壁面に係止されるまで、 図 1に示すように、 クランク ロッド (2) の下端の角柱部 (2 a) に押し込まれ、 クランクロッド (2) に 対して直角となっている。 該状態において、 ロック体 (1 8) の凸部 (1 8 d) は、 溝 (1 2) の一端のロック穴 (20) に位置し、 凸部 (1 8 d) の長手方 向は、 溝 (1 2) の長手方向に対して直角を向き、 凸部 (1 8 d) は、 ロック 穴 (20) の周面に係止された状態となっている。 また、 レパー (22) はば ねの弾力によりスリット (28) の一端 (a)側に倒れている。 ペダルを折り畳 むときは、足でレバー (22) をばねの弾力に抗して 90度押動し、 レパー(2 2) をスリット (28) の他端 (b) 側に倒す。 レバー (22) が 90度揺動さ れると、 凸部 (1 8d) の長手方向は、 溝 (1 2) の長手方向と平行となり、 ぺ ダル主軸(4)の、ロック体( 1 8 )によるロックが解除される。ペダル主軸( 4 ) に対するロックが解除されると、 ペダル主軸 (4) は、 ばね (30) の弾発力 によって、 角筒部 (2a) に沿って、 自転車の外側方に突出し、 角柱部 (4a) は、 第 4図に示すように、 その後端が、角筒部 (2a) の規制から外れる位置ま で、 移動する。 該状態において、 ペダル (1 0) をペダル主軸 (4) を中心と して回転し、 ペダル (1 0) の踏み板面 (1 Oa) を第 4図に示すように、 クラ ンクロッド (2) と向き合うように、 上向きとし、 更にペダル主軸 (4) をガ ィド体 (1 6) の凸部 (1 6a) を中心として、 ペダル主軸 (4) がクランク口 ッド (2) と平行となるまで、 第 5図に示すように、 90度揺動する。 これに より、 ペダル (1 0) の踏み板面 (1 Oa) は、 クランクロッド (2) と平行に 隣接し、 ペダル (1 0) が自転車本体側に折り畳まれる。 ペダル主軸 (4) を 凸部 (1 6a) を中心として、 90度揺動すると、 ロック体 (1 8) も連動して 90度回転し、 レバー (22) の、 スリット (28) に対する当接位置がスリ ット (28) の他方端 (b) から一方端 (a) に移動する。 レバー (22) は、 ばねによりスリット (28) の一方端(a) に移動する方向に付勢されているた め、 ペダル主軸 (4) の折り畳み方向の揺動は、 このばね力により、 軽くスム ーズに行うことができる。 ペダル (1 0) を通常の使用可能状態に戻すには、 レパー (22) に対するばね力に杭して、 ペダル主軸 (4) を、 クランクロッ ド (2) に対して直角となる位置まで押し下げる。 更に、 この直角状態から、 ペダ^/主軸 (4) を、 クランクロッド (2) の角筒部 (2a) に、 ばね (30) の弾発力に杭して、 原位置まで押し込む。 ペダル主軸 (4) が角筒部 (2a) の 原位置に達すると、 ロック体 (1 8) の凸部 (1 8d) 力 ロック穴 (20) に 位置する。 凸部 (1 8d) がロック穴 (20) に入ると、 レパー (22) は、 ば ね力によって、 スリット (28) の一端 (a) に係止されるまで自動的に 90度 揺動し、 凸部 (1 8d) は、 ロック穴 (20) 内で、 その長手方向が、 溝 (1 2) の長手方向に対して直角となり、 ペダル主軸 (4) は、 クランクロッド (2) の角筒部 (2a) にロックされる。 産業上の利用可能性 Normally, the prismatic part (4a) of the pedal main shaft (4) is fixed as shown in Fig. 1 until the convex part (16a) of the guide body (16) is engaged with one end wall of the groove (14). At the same time, it is pushed into the prism (2a) at the lower end of the crank rod (2) and is at right angles to the crank rod (2). In this state, the protrusion (18 d) of the lock body (18) is located in the lock hole (20) at one end of the groove (12), and the longitudinal direction of the protrusion (18 d) is The direction is perpendicular to the longitudinal direction of the groove (12), and the projection (18d) is locked on the peripheral surface of the lock hole (20). The leper (22) has fallen to one end (a) of the slit (28) due to the elasticity of the spring. To fold the pedal, push the lever (22) with your foot 90 degrees against the elasticity of the spring, and push the lepper (22) toward the other end (b) of the slit (28). When the lever (22) is swung 90 degrees, the longitudinal direction of the convex portion (18d) is parallel to the longitudinal direction of the groove (12), and the locking member (18) of the dull main shaft (4) is rotated. Is released. When the lock on the pedal main shaft (4) is released, the pedal main shaft (4) projects outward of the bicycle along the rectangular tube (2a) by the elastic force of the spring (30), and the prism ( 4a), as shown in FIG. 4, the rear end moves to a position outside the regulation of the rectangular tube portion (2a). In this state, the pedal (10) is rotated around the pedal main shaft (4), and the tread plate surface (1 Oa) of the pedal (10) is connected to the crank rod (2) as shown in FIG. Upward so that they face each other, and the pedal spindle (4) is parallel to the crank opening (2) with the pedal spindle (4) centered on the projection (16a) of the guide body (16). Until it swings 90 degrees, as shown in Figure 5. As a result, the tread surface (1 Oa) of the pedal (10) is adjacent to and parallel to the crank rod (2), and the pedal (10) is folded toward the bicycle body. When the pedal main shaft (4) is swung 90 degrees about the projection (16a), the lock body (18) also rotates 90 degrees in conjunction with it, and the lever (22) abuts the slit (28). The position moves from the other end (b) of the slit (28) to one end (a). Since the lever (22) is biased by a spring in the direction to move to one end (a) of the slit (28), the pivoting of the pedal main shaft (4) in the folding direction is lightly performed by this spring force. It can be done smoothly. To return the pedal (10) to its normal working condition, stake it in the spring force against the leper (22) and push down the pedal spindle (4) to a position perpendicular to the crank rod (2). Further, from this right angle state, the pedal / spindle (4) is staked into the square tube portion (2a) of the crank rod (2) by the elastic force of the spring (30) and pushed into the original position. The pedal main shaft (4) is When it reaches the original position, it is located in the convex part (18d) force lock hole (20) of the lock body (18). When the projection (18d) enters the lock hole (20), the leper (22) automatically swings 90 degrees by the spring force until it is locked at one end (a) of the slit (28). The projection (1 8d) has a longitudinal direction perpendicular to the longitudinal direction of the groove (1 2) in the lock hole (20), and the pedal main shaft (4) has an angle of the crank rod (2). Locked to the tube (2a). Industrial applicability
以上のように、 本発明にかかる自転車用折り畳みペダル機構は、 コンパクト にぺタ レを折り畳むことができるとともに、 ぺタ レとクランクロッドとの結合 部を強固に構成することができる。  As described above, the folding pedal mechanism for a bicycle according to the present invention can compactly fold the petals and can firmly configure the joint between the petty and the crank rod.

Claims

請 求 の 範 囲 The scope of the claims
1 . ぺダノレと、 該ペダルを回転自在に支承するペダル主軸と、 前記ペダル主軸 の一方側に該主軸と同軸上に形成された角柱部と、 該角柱部の側面に該角柱部 の長手方向に沿って形成された溝と、 該溝の一端に該溝の幅より大きな径で形 成された口ック穴と、 クランクロッドと、 該クランクロッドの下端に形成され 前記角柱部を前記クランクロッドに対して直角方向からスライド自在に受け入 れる角筒部と、 該角筒部の側壁から突出する側板部と、 該側板部に回転自在に 支承され先端部に前記溝に嵌合する細長状の凸部を有するロック体と、 該ロッ ク体に固設されたロック操作レバーと、 該ロック操作レバーの揺動範囲を所定 角度に規制するレバー揺動範囲規制手段とを備え、 前記ペダル主軸が前記角筒 部に対して通常の位置にあるとき前記口ック体の凸部は前記口ック穴に所定角 度で嵌合して前記ペダル主軸を前記角筒部にロックし、 前記レバーを揺動して 前記口ック体の凸部の角度を変換すると前記口ックが解除され、 前記ペダル主 軸の角柱部が前記角筒部から外れる位置まで引き出し可能となり、 該引き出し 位置から前記ペダル主軸を前記クランク口ッドに対して平行となるように折り 畳むことができるようにしたことを特徴とする自転車用折り畳みペダル機構。 1. Pedestal, a pedal main shaft that rotatably supports the pedal, a prism formed coaxially with the main shaft on one side of the pedal main shaft, and a longitudinal direction of the prism formed on a side surface of the prism. A groove formed at one end of the groove with a diameter larger than the width of the groove; a crank rod; and a crank formed at a lower end of the crank rod. A rectangular tube portion slidably received from a direction perpendicular to the rod, a side plate portion protruding from a side wall of the rectangular tube portion, an elongated member rotatably supported by the side plate portion and fitted to the groove at a distal end portion. A lock body having a convex shape, a lock operation lever fixed to the lock body, and a lever swing range regulating means for regulating a swing range of the lock operation lever to a predetermined angle; Main shaft in normal position with respect to the square tube When the protruding portion of the hook body is fitted in the hook hole at a predetermined angle, the pedal main shaft is locked to the square tube portion, and the lever is rocked to When the angle of the convex portion is changed, the hook is released, and the prism portion of the pedal main shaft can be pulled out to a position where the prism portion comes off the rectangular tube portion. A folding pedal mechanism for a bicycle, wherein the folding pedal mechanism can be folded so as to be parallel.
2 . ペダルと、 該ペダルを回転自在に支承するペダル主軸と、 前記ペダル主軸 の一方側に該主軸と同軸上に形成された角柱部と、 前記角柱部の一方の側面に 該角柱部の長手方向に沿って形成された第 1の溝と、 前記角柱部の他方の側面 に該角柱部の長手方向に沿って形成した第 2の溝と、 該第 2の溝の一端に該溝 の幅より大きな径で形成されたロック穴と、 クランクロッドと、 該クランク口 ッドの下端に形成され前記角柱部を前記クランクロッドに対して直角方向から スライド自在に受け入れる角筒部と、 該角筒部の両側壁から突出する一対の側 板部と、 該一対の側板部の中の一方の側板部に固設され前記第 1の溝に嵌合す る凸部を有するガイド体と、 前記一対の側板部の中の他方の側板部に回転自在 に支承され先端部に前記第 2の溝に嵌合する細長状の凸部を有するロック体と、 該ロック体に固設された口ック操作レバーと、 該ロック操作レバーの揺動範囲 を所定角度に規制するレバー揺動範囲規制手段とを備え、 前記ペダル主軸が前 記角筒部に対して通常の位置にあるとき前記口ック体の凸部は前記口ック穴に 所定角度で嵌合して前記ペダル主軸を前記角筒部に口ックし、 前記レバーを揺 動して前記口ック体の凸部の角度を変換すると前記口ックが解除され、 前記べ ダル主軸の角柱部が前記角筒部から外れる位置まで引き出し可能となり、 該引 き出し位置から前記ペダル主軸を前記クランクロッドに対して平行となるよう に折り畳むことができるようにしたことを特徴とする自転車用折り畳みペダル 2. A pedal, a pedal main shaft rotatably supporting the pedal, a prism formed coaxially with the main shaft on one side of the pedal main shaft, and a longitudinal portion of the prism formed on one side of the prism. A first groove formed along the direction, a second groove formed along the longitudinal direction of the prism on the other side surface of the prism, and a width of the groove at one end of the second groove. A lock hole formed with a larger diameter, a crank rod, a rectangular cylinder formed at a lower end of the crank pad and slidably receiving the prism in a direction perpendicular to the crank rod. A pair of side plate portions protruding from both side walls of the portion, a guide body fixed to one side plate portion of the pair of side plate portions and having a convex portion fitted into the first groove; Is rotatably supported on the other side plate portion of the side plate portion of A locking member having an elongated convex portion to be fitted to a mouth click operation lever which is fixed to the lock body, the swinging range of the locking lever And a lever swing range restricting means for restricting the angle of the pedal to a predetermined angle, and when the pedal main shaft is at a normal position with respect to the square tube portion, the convex portion of the hook body is fixed to the hook hole. When the angle of the convex portion of the hook body is changed by swinging the lever and swinging the lever, and the hook is released, the hook is released. The prism portion of the dull main shaft can be pulled out to a position where it is disengaged from the rectangular tube portion, and the pedal main shaft can be folded from the pulled-out position so as to be parallel to the crank rod. Bicycle folding pedal
3 . 前記ペダル主軸を引き出し方向に付勢するばねを設け、 前記ロック体によ る前記ペダル主軸に対する口ックを解除すると前記ばねの弾発力により前記べ ダル主軸の角柱部が前記角筒部から外れる位置まで自動的に引き出されるよう にしたことを特徴とする請求の範囲第 1項又は第 2項に記載の自転車用折り畳 みペダル機構。 3. A spring for urging the pedal main shaft in the pull-out direction is provided, and when the lock on the pedal main shaft is released by the lock body, the prism portion of the pedal main shaft is formed by the elastic force of the spring. 3. The folding pedal mechanism for a bicycle according to claim 1, wherein the folding pedal mechanism is configured to be automatically pulled out to a position outside the part.
PCT/JP2001/004854 2001-06-08 2001-06-08 Foldable pedal mechanism for bicycle WO2002100711A1 (en)

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Cited By (15)

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Publication number Priority date Publication date Assignee Title
WO2007107582A1 (en) * 2006-03-21 2007-09-27 Christian Schmautz Scooter with at least one tread surface unit which can be unfolded laterally
CN100425503C (en) * 2006-07-03 2008-10-15 王欢 Folding pedal mechanism of bicycle
WO2009092268A1 (en) * 2007-12-29 2009-07-30 Dongjun Wang Device for dismounting and mounting bicycle footplates and assembly for one step controlling dismounting and mounting
CN102190040A (en) * 2010-03-03 2011-09-21 詹富生 Pedal folding linkage device of folding bike
CN103332259A (en) * 2013-06-09 2013-10-02 无锡尚格工业设计有限公司 Crank of folding vehicle
CN103879502A (en) * 2012-12-20 2014-06-25 史真亮 Foldable pedal of pedaled bicycle
CN104044683A (en) * 2014-06-23 2014-09-17 无锡市崇安区科技创业服务中心 Folding pedal of electric vehicle
US9150272B1 (en) 2014-07-16 2015-10-06 Ford Global Technologies, Llc Folding bicycle chain stay and frame
US9284015B2 (en) 2014-07-16 2016-03-15 Ford Global Technologies, Llc Folding pedal mount
US9290227B2 (en) 2014-07-16 2016-03-22 Ford Global Technologies, Llc Towable bicycle
US9290229B2 (en) 2014-07-16 2016-03-22 Ford Global Technologies, Llc Bicycle chain stay coupling
CN105501368A (en) * 2015-12-12 2016-04-20 罗轶 Scooter capable of being folded by treading
US9346514B2 (en) 2014-07-16 2016-05-24 Ford Global Technologies, Llc Folding handlebar mount
US9359036B2 (en) 2014-07-16 2016-06-07 Ford Global Technologies, Llc Folding bicycle
US20240400155A1 (en) * 2023-06-05 2024-12-05 Robert O. Forgrave Quick Release Pedal

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007107582A1 (en) * 2006-03-21 2007-09-27 Christian Schmautz Scooter with at least one tread surface unit which can be unfolded laterally
CN100425503C (en) * 2006-07-03 2008-10-15 王欢 Folding pedal mechanism of bicycle
WO2009092268A1 (en) * 2007-12-29 2009-07-30 Dongjun Wang Device for dismounting and mounting bicycle footplates and assembly for one step controlling dismounting and mounting
CN101970284A (en) * 2007-12-29 2011-02-09 汪东君 Device for dismounting and mounting bicycle footplates and assembly for one step controlling dismounting and mounting
US8485063B2 (en) 2007-12-29 2013-07-16 Dongjun Wang Device for assembling/disassembling bicycle pedals and assembly for controlling assembling/disassembling by one step
CN102190040A (en) * 2010-03-03 2011-09-21 詹富生 Pedal folding linkage device of folding bike
CN103879502A (en) * 2012-12-20 2014-06-25 史真亮 Foldable pedal of pedaled bicycle
CN103332259A (en) * 2013-06-09 2013-10-02 无锡尚格工业设计有限公司 Crank of folding vehicle
CN104044683A (en) * 2014-06-23 2014-09-17 无锡市崇安区科技创业服务中心 Folding pedal of electric vehicle
US9284015B2 (en) 2014-07-16 2016-03-15 Ford Global Technologies, Llc Folding pedal mount
US9150272B1 (en) 2014-07-16 2015-10-06 Ford Global Technologies, Llc Folding bicycle chain stay and frame
US9290227B2 (en) 2014-07-16 2016-03-22 Ford Global Technologies, Llc Towable bicycle
US9290229B2 (en) 2014-07-16 2016-03-22 Ford Global Technologies, Llc Bicycle chain stay coupling
US9340251B2 (en) 2014-07-16 2016-05-17 Ford Global Technologies, Llc Bicycle wheel axle
US9346514B2 (en) 2014-07-16 2016-05-24 Ford Global Technologies, Llc Folding handlebar mount
US9359036B2 (en) 2014-07-16 2016-06-07 Ford Global Technologies, Llc Folding bicycle
US9561836B2 (en) 2014-07-16 2017-02-07 Ford Global Technologies, Llc Bicycle control system
US9573648B2 (en) 2014-07-16 2017-02-21 Ford Global Technologies, Llc Wheel coupling
US9604689B2 (en) 2014-07-16 2017-03-28 Ford Global Technologies, Llc Bicycle frame joint locking mechanism
CN105501368A (en) * 2015-12-12 2016-04-20 罗轶 Scooter capable of being folded by treading
CN105501368B (en) * 2015-12-12 2018-02-09 罗轶 Step on folding scooter
US20240400155A1 (en) * 2023-06-05 2024-12-05 Robert O. Forgrave Quick Release Pedal

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