JP2002145158A - Rotation transmission mechanism for folding bicycle - Google Patents
Rotation transmission mechanism for folding bicycleInfo
- Publication number
- JP2002145158A JP2002145158A JP2000342718A JP2000342718A JP2002145158A JP 2002145158 A JP2002145158 A JP 2002145158A JP 2000342718 A JP2000342718 A JP 2000342718A JP 2000342718 A JP2000342718 A JP 2000342718A JP 2002145158 A JP2002145158 A JP 2002145158A
- Authority
- JP
- Japan
- Prior art keywords
- holding
- folding bicycle
- power transmission
- bicycle
- rotation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Motorcycle And Bicycle Frame (AREA)
Abstract
Description
【０００１】[0001]
【発明が属する技術分野】本発明は、回転伝達機構、特
に折り畳み自転車のフレームに装着されクランクの回転
を伝達するための自転車用回転伝達機構に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotation transmitting mechanism, and more particularly to a bicycle rotation transmitting mechanism mounted on a frame of a folding bicycle for transmitting rotation of a crank.
【０００２】[0002]
【従来の技術】従来の折り畳み自転車においては、回転
伝達機構の部分は、チェーンやベルト等のループ状の回
転伝達手段があるため、折り畳むことはできなかった。
従来の折り畳み自転車においては、回転伝達機構以外の
フレーム部分やハンドル部分を折り曲げたりして折り畳
む方法が採られていた。2. Description of the Related Art In a conventional folding bicycle, a portion of a rotation transmitting mechanism cannot be folded because there is a loop-shaped rotation transmitting means such as a chain or a belt.
In a conventional folding bicycle, a method has been adopted in which a frame portion and a handle portion other than the rotation transmitting mechanism are folded or folded.
【０００３】[0003]
【発明が解決しようとする課題】本発明が解決しようと
する点は、簡単な機構で、回転伝達機構を折り畳めるよ
うに構成し、自転車をよりコンパクトに折り畳むことで
ある。The problem to be solved by the present invention is to make the rotation transmitting mechanism foldable with a simple mechanism so as to fold the bicycle more compactly.
【０００４】[0004]
【課題を解決するための手段】前記目的を達成するた
め、本発明の折り畳み自転車用回転伝達機構において、
フレームに設けられた前記前ギア部と前記後ギア部に掛
渡されるループ状の動力伝達部材と、自転車の折り畳み
時に前記動力伝達部材を保持する保持手段を有すること
を特徴とする。In order to achieve the above object, a rotation transmitting mechanism for a folding bicycle according to the present invention comprises:
It is characterized by having a loop-like power transmission member provided on the front gear portion and the rear gear portion provided on a frame, and holding means for holding the power transmission member when the bicycle is folded.
【０００５】これにより、回転機構を折り畳むことがで
きるので、自転車をよりコンパクトに折り畳むことがで
きる。[0005] Thus, since the rotation mechanism can be folded, the bicycle can be folded more compactly.
【０００６】また、本発明においては、前記保持手段
は、前記動力伝達部材と噛合するように形成されている
ことを特徴とする。In the present invention, the holding means is formed so as to mesh with the power transmission member.
【０００７】これにより、保持手段がチェーン、ベルト
等の動力伝達部材と噛合するので、折り畳み時に動力伝
達部材が緩んだり、外れたりするのを確実に防ぐことが
できる。[0007] Since the holding means meshes with the power transmission member such as a chain or a belt, it is possible to reliably prevent the power transmission member from being loosened or detached during folding.
【０００８】また、本発明においては、前記保持手段
は、前記動力伝達部材の掛渡し部分の上下それぞれを保
持する一対の保持部材からなることを特徴とする。Further, in the present invention, the holding means comprises a pair of holding members for holding the upper and lower portions of the bridging portion of the power transmission member.
【０００９】これにより、動力伝達部材の掛渡し部分の
上と下を保持するので、折り畳み時に動力伝達部材が、
緩んだり、外れたりするのを確実に防ぐことができる。Thus, the upper and lower portions of the bridging portion of the power transmission member are held.
It can be reliably prevented from loosening or coming off.
【００１０】また、本発明においては、前記保持手段
は、組立時に前記動力伝達部材と噛合する位置に設けた
保持部材からなることを特徴とする。Further, in the present invention, the holding means comprises a holding member provided at a position where the holding means is engaged with the power transmission member during assembly.
【００１１】また、本発明においては、前記保持手段
は、前記動力伝達部材の外側から掛渡し部分を保持する
保持部材からなることを特徴とする。Further, in the present invention, the holding means comprises a holding member for holding a bridging portion from outside the power transmission member.
【００１２】また、本発明においては、前記保持手段
は、所定以上の張力を前記動力伝達手段に与えられる位
置に設けられたことを特徴とする。Further, in the present invention, the holding means is provided at a position where a predetermined or more tension is applied to the power transmission means.
【００１３】[0013]
【実施例】図１は、本発明装置が実施されている折り畳
み自転車の側面図である。（動力伝達部材に関係のない
自転車のハンドル部、ブレーキ部、ペダル部等の部材に
ついては、記載を省略する。）FIG. 1 is a side view of a folding bicycle in which the apparatus of the present invention is implemented. (Descriptions of members such as the handle portion, brake portion, and pedal portion of the bicycle that are not related to the power transmission member are omitted.)
【００１４】図1に記載された折り畳み自転車は、リカ
ンベント式自転車となっている。リカンベント式自転車
とは、着座部から通常の自転車のペダル部が前方にあ
り、乗車者は、後ろの背もたれにもたれるような姿勢で
乗るような自転車のことをいう。The folding bicycle shown in FIG. 1 is a recumbent type bicycle. A recumbent bicycle is a bicycle in which a pedal portion of a normal bicycle is located forward from a seat portion, and a rider rides in a posture in which the rider leans on a backrest.
【００１５】自転車には、通常の自転車と同じくフレー
ム1があり、フレーム1にはハンドル部、シート３、タイ
ヤ４が設けられている。（これらの部分については、従
来の自転車と同様なので、説明は省略する。）The bicycle has a frame 1 like a normal bicycle, and the frame 1 is provided with a handle portion, a seat 3, and a tire 4. (These parts are the same as those of the conventional bicycle, so the description is omitted.)
【００１６】また、フレームには、前ギア１０が設けら
れており、前ギア１０には、クランク（図示せず）が設
けられており、乗車者はペダル（図示せず）を踏み、前
ギアを回転させる。前ギアの回転は、チェーン１２によ
って後ギア１１に伝達されタイヤが駆動する。これらの
部分も従来の自転車の構成と同じであるが、本実施例の
折り畳み自転車は、前述したようにリカンベント式自転
車であるため、前ギアと後ギアの距離が通常の自転車と
比べて大きい。Further, a front gear 10 is provided on the frame, and a crank (not shown) is provided on the front gear 10 so that the rider can depress a pedal (not shown) and To rotate. The rotation of the front gear is transmitted to the rear gear 11 by the chain 12, and the tire is driven. These parts are also the same as the structure of the conventional bicycle, but the folding bicycle of the present embodiment is a recumbent bicycle as described above, so that the distance between the front gear and the rear gear is larger than that of a normal bicycle.
【００１７】次に保持用スプロケットについて説明を行
う。チェーン１２の上側には、保持用スプロケット１３
がチェーン１２の下側には保持用スプロケット１４が設
けてある。保持用スプロケット１３及び保持用スプロケ
ット１４は、それぞれチェーン１２と係合しており、自
転車の走行時には中心を軸として、回転するようになっ
ている。Next, the holding sprocket will be described. On the upper side of the chain 12, a holding sprocket 13
However, a holding sprocket 14 is provided below the chain 12. The holding sprocket 13 and the holding sprocket 14 are engaged with the chain 12, respectively, and rotate around the center when the bicycle runs.
【００１８】また、保持用スプロケット１４は、チェー
ン１２の下側を持ち上げるように保持している。これ
は、走行中もチェーンを保持し、かつ、前ギア１０の巻
き掛け中心角を大きくすることによって、チェーン１２
の滑りによる損失を少なくすることができる。The holding sprocket 14 holds the chain 12 so as to lift the lower side thereof. This is because the chain is held even during traveling and the center angle of the front gear 10 is increased so that the chain 12
Loss due to slippage can be reduced.
【００１９】図２は、折り畳み自転車を折り畳んだ状態
の説明図である。（シート部分やペダル部分等の記載
は、省略する。）FIG. 2 is an explanatory view showing a state in which the folding bicycle is folded. (The description of the seat part, pedal part, etc. is omitted.)
【００２０】折り畳み自転車を折り畳みたい場合には、
ロック部１５を解除し、折り畳み軸１６を軸として、フ
レームを山型に折り曲げるようになっている。If you want to fold a folding bicycle,
The lock portion 15 is released, and the frame is bent in a mountain shape around the folding shaft 16.
【００２１】折り畳み時には、前ギア１０及び後ギア１
１の距離が小さくなるが、チェーン１２は、保持用スプ
ロケット１３、１４で保持されているので、ちょうど逆
Ｖ字型のような形になる。このように、保持用スプロケ
ット１３、１４でチェーン１２を常に保持しているの
で、折り畳んだときにもチェーンが弛んだり、外れたり
することを防止している。これにより、折り畳みの作業
と組み立ての作業も簡単に行うことができる。At the time of folding, the front gear 10 and the rear gear 1
Although the distance of 1 is reduced, the chain 12 is held by the holding sprockets 13 and 14, and thus has a shape like an inverted V-shape. As described above, since the chain 12 is always held by the holding sprockets 13 and 14, the chain is prevented from loosening or coming off even when folded. Thus, the folding operation and the assembling operation can be easily performed.
【００２２】なお、上記の実施例では、リカンベント式
自転車において、本発明に係る回転伝達機構を実施した
場合について説明したが、本発明は上記実施の形態のみ
に限定されず、各種改変できるものである。例えば、回
転伝達機構を用いるものであれば、通常の自転車、三輪
車、自動車を模した自力走行が行えるものならば、どの
ような形態でも構わない。In the above embodiment, the case where the rotation transmission mechanism according to the present invention is applied to a recumbent type bicycle has been described. However, the present invention is not limited to the above embodiment, but can be variously modified. is there. For example, as long as it uses a rotation transmission mechanism, any form may be used as long as it can run on its own by imitating a normal bicycle, tricycle, or automobile.
【００２３】また、上記の実施例では、保持用スプロケ
ット１３、１４は、常に動力伝達部材と係合しているも
のについて説明したが、保持用スプロケットは、折り畳
むときに、動力伝達部材と接触して、保持するようにな
っていても良い。保持部材としては、上記実施例は、ス
プロケットを例に挙げたが、棒状のもので、チェーンを
引っ掛けるように保持する等、様々な保持方法に変形す
ることが考えられる。また、上記実施例では、保持部材
の数は２つの例を説明したが、保持部材の数は適宜変更
することが可能である。また、一つの保持部材で動力伝
達部材の掛渡し部分の上と下を保持できるように構成し
たものでも良い。In the above embodiment, the holding sprockets 13 and 14 have been described as being always engaged with the power transmission member. However, the holding sprocket is in contact with the power transmission member when folded. And hold it. As the holding member, the sprocket is used as an example in the above embodiment. However, the holding member may be a rod-shaped member and may be modified into various holding methods such as holding a chain so as to be hooked. Further, in the above embodiment, the example in which the number of the holding members is two has been described, but the number of the holding members can be appropriately changed. Further, the structure may be such that one holding member can hold the upper and lower portions of the bridging portion of the power transmission member.
【００２４】また、折り畳んだときに、動力伝達部材を
前ギアに噛合させるように保持することも可能である。
これによると、保持手段に加えて、前ギアでも外側から
動力伝達部材の掛渡し部分の回転伝達機構を保持するの
で、より確実に動力伝達部材を保持することができる。Further, when folded, the power transmission member can be held so as to mesh with the front gear.
According to this, in addition to the holding means, the front gear also holds the rotation transmission mechanism at the bridging portion of the power transmission member from the outside, so that the power transmission member can be held more reliably.
【００２５】[0025]
【発明の効果】以上説明したように本発明の入力装置
は、回転伝達機構を折り畳むことができるようにし、折
り畳み自転車を簡単な構成でコンパクトに折り畳むこと
ができる。また、これにより、組み立て、折り畳みが簡
単な折り畳み自転車を提供することができる。As described above, the input device of the present invention allows the rotation transmission mechanism to be folded, and allows the folding bicycle to be compactly folded with a simple structure. In addition, this makes it possible to provide a folding bicycle that can be easily assembled and folded.
【図１】本発明の回転伝達機構が搭載された折り畳み自
転車の側面図である。FIG. 1 is a side view of a folding bicycle on which a rotation transmission mechanism of the present invention is mounted.
【図２】本発明の回転伝達機構が搭載された折り畳み自
転車の折り畳み時の説明図である。FIG. 2 is an explanatory view of the folding bicycle on which the rotation transmitting mechanism of the present invention is mounted when the folding bicycle is folded.
１０ 前ギア １１ 後ギア １２ チェーン １３ 保持用スプロケット １４ 保持用スプロケット １６ 折り畳み軸 Reference Signs List 10 front gear 11 rear gear 12 chain 13 holding sprocket 14 holding sprocket 16 folding shaft
Claims (7)
変化する折り畳み自転車の回転伝達機構であって、フレ
ームに設けられた前記前ギア部と前記後ギア部に掛渡さ
れるループ状の動力伝達部材と、自転車の折り畳み時に
前記動力伝達部材を保持する保持手段を有することを特
徴とする折り畳み自転車用回転伝達機構。1. A rotation transmitting mechanism for a folding bicycle in which a distance between a front gear portion and a rear gear portion changes when the bicycle is folded, wherein the loop-shaped transmission device extends over the front gear portion and the rear gear portion provided on a frame. A rotation transmission mechanism for a folding bicycle, comprising: a power transmission member; and holding means for holding the power transmission member when the bicycle is folded.
するように形成されていることを特徴とする請求項１記
載の折り畳み自転車用回転伝達機構。2. The rotation transmitting mechanism for a folding bicycle according to claim 1, wherein said holding means is formed so as to mesh with said power transmitting member.
し部分の上下それぞれを保持する一対の保持部材からな
ることを特徴とする請求項１または２に記載の折り畳み
自転車用回転伝達機構。3. The rotation transmitting mechanism for a folding bicycle according to claim 1, wherein said holding means comprises a pair of holding members for holding the upper and lower portions of a bridging portion of said power transmission member.
から掛渡し部分を保持する保持部材からなることを特徴
とする請求項１または２に記載の折り畳み自転車用回転
伝達機構。4. The rotation transmitting mechanism for a folding bicycle according to claim 1, wherein said holding means comprises a holding member for holding a bridging portion from outside of said power transmission member.
材と噛合する位置に設けた保持部材からなることを特徴
とする請求項１乃至４に記載の折り畳み自転車用回転伝
達機構。5. A rotation transmitting mechanism for a folding bicycle according to claim 1, wherein said holding means comprises a holding member provided at a position where said holding means is engaged with said power transmission member during assembly.
段を外側から噛合するように形成されたことを特徴とす
る請求項１乃至５に記載の折り畳み自転車用回転伝達機
構。6. A rotation transmission mechanism for a folding bicycle according to claim 1, wherein said front gear portion is formed so as to mesh with a power transmission means from the outside when folded.
力伝達手段に与えられる位置に設けられたことを特徴と
する請求項１乃至６に記載の折り畳み自転車用回転伝達
機構。7. The rotation transmission mechanism for a folding bicycle according to claim 1, wherein said holding means is provided at a position where a predetermined or more tension is applied to said power transmission means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000342718A JP2002145158A (en) | 2000-11-09 | 2000-11-09 | Rotation transmission mechanism for folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000342718A JP2002145158A (en) | 2000-11-09 | 2000-11-09 | Rotation transmission mechanism for folding bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002145158A true JP2002145158A (en) | 2002-05-22 |
Family
ID=18817211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000342718A Pending JP2002145158A (en) | 2000-11-09 | 2000-11-09 | Rotation transmission mechanism for folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002145158A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030061739A (en) * | 2003-06-18 | 2003-07-22 | 문흥만 | Belt bicycle |
| TWI691430B (en) * | 2017-03-08 | 2020-04-21 | 濱元陽一郎 | Rotation transmission mechanism and bicycle provided with the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH076070U (en) * | 1993-06-25 | 1995-01-27 | 株式会社大金製作所 | Folding bicycle frame body |
| JPH10230884A (en) * | 1996-12-20 | 1998-09-02 | Matsushita Electric Ind Co Ltd | Folding bicycle |
-
2000
- 2000-11-09 JP JP2000342718A patent/JP2002145158A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH076070U (en) * | 1993-06-25 | 1995-01-27 | 株式会社大金製作所 | Folding bicycle frame body |
| JPH10230884A (en) * | 1996-12-20 | 1998-09-02 | Matsushita Electric Ind Co Ltd | Folding bicycle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030061739A (en) * | 2003-06-18 | 2003-07-22 | 문흥만 | Belt bicycle |
| TWI691430B (en) * | 2017-03-08 | 2020-04-21 | 濱元陽一郎 | Rotation transmission mechanism and bicycle provided with the same |
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