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JP5877477B2 - Retractable retractable auxiliary wheel for folding bicycles fixed by magnetic force - Google Patents
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JP5877477B2 - Retractable retractable auxiliary wheel for folding bicycles fixed by magnetic force - Google Patents

Retractable retractable auxiliary wheel for folding bicycles fixed by magnetic force Download PDF

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Publication number
JP5877477B2
JP5877477B2 JP2011141175A JP2011141175A JP5877477B2 JP 5877477 B2 JP5877477 B2 JP 5877477B2 JP 2011141175 A JP2011141175 A JP 2011141175A JP 2011141175 A JP2011141175 A JP 2011141175A JP 5877477 B2 JP5877477 B2 JP 5877477B2
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JP
Japan
Prior art keywords
retractable
auxiliary wheel
magnetic force
folding bicycles
magnet
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Expired - Fee Related
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JP2011141175A
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Japanese (ja)
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JP2012254773A (en
Inventor
悦雄 越川
悦雄 越川
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Priority to JP2011141175A priority Critical patent/JP5877477B2/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE
    • B62K15/00—Collapsible or foldable cycles
    • B62K15/006—Collapsible or foldable cycles the frame being foldable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE
    • B62K15/00—Collapsible or foldable cycles
    • B62K2015/005—Collapsible or foldable cycles having additional wheels for use when folded or collapsed

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Description

本発明は、折り畳み自転車の格納式引行補助輪を磁石の弱点である横方向からの抵抗を防いで磁力で簡単に格納（引き出し）出来るように改良したものである。The present invention is an improvement of a retractable retractable auxiliary wheel of a folding bicycle so that it can be easily retracted (pulled out) by magnetic force while preventing resistance from the lateral direction, which is a weak point of the magnet.

従来は、磁力を利用して簡単に格納（引き出し）できる折り畳み自転車用の引行補助輪はなかった。Conventionally, there has been no retractable auxiliary wheel for a folding bicycle that can be easily stored (drawn) using magnetic force.

磁石を利用すればパーツの着脱や折り畳み自転車の組み立てを簡単に行えるように出来る。しかし、磁石の磁力は接着面に対して垂直方向に強いが横からの力に弱く少しでも斜めにすると簡単に外れることは周知の事実である。また、自転車は生身の人間が操縦し易いようにシンプルな構造なのでパーツが剥き出しで走行中の振動や障害物との接触で外れ易く万が一脱落したら命に係わる重大な事故に結び付く可能性も高い。だから着脱式部品を磁力だけで自転車に固定するのは困難であった。本発明は、この課題を解消するためになされたものである。Using magnets makes it easy to detach parts and assemble folding bikes. However, it is a well-known fact that the magnetic force of the magnet is strong in the vertical direction with respect to the bonding surface, but is weak against the force from the side, and can be easily removed if it is tilted even a little. In addition, since the bicycle is a simple structure that is easy for a human being to handle, it is easy to come off due to vibrations while driving and contact with obstacles, and if it falls off, there is a high possibility that it will lead to a serious accident involving life. Therefore, it was difficult to fix the detachable parts to the bicycle only by magnetic force. The present invention has been made to solve this problem.

そこで、本発明にあっては、上記課題を解決するため、補助輪を左右に分割し内側端部に強力磁石を取り付け、走行中は内側に使用するときは外側に車軸ごと伸縮式にし、振動や傾斜でも勝手に伸縮しないように、磁石で固定できるように作成した。  Therefore, in the present invention, in order to solve the above-mentioned problem, the auxiliary wheel is divided into right and left, a strong magnet is attached to the inner end, and when used on the inside during traveling, the outer axle is made to be telescopic and vibration-free It was created so that it could be fixed with a magnet so that it would not expand or contract on its own.

折り畳み自転車用の一対の引行補助輪を車軸ごと左右２分割し補助輪の反対側の車軸端部へ磁石を取り付け各々強固な容器へ納めたので磁石の弱点である接着面に対して横方向からの抵抗を防いで走行中の振動や障害物との接触で不用意に脱落する心配が無くなった。A pair of folding assisting wheels for folding bicycles is divided into left and right parts for each axle, and magnets are attached to the ends of the axles on the opposite side of the assisting wheels, and each is placed in a strong container. This prevents the car from dragging out of contact with vibrations and obstacles while driving.

本発明の水平断面図である。  It is a horizontal sectional view of the present invention. 本考案の使用状態図である。  It is a use state figure of the present invention.

車軸８と補助輪７を固定し、リアフレーム２を挟んで車軸受９へ差し込み、反対側に突き出た端部に車軸ストッパー１１を取り付ける。車軸受９の内側端部に強力な磁石で作ったワッシャー１０を取り付ける。車軸ストッパー１１より少し大い穴１６をあけたキャッチャー１２を挟んで、もう一方の補助輪７を同じ様に取り付ける。車軸受９は、磁力に作用しない丈夫な筒状のガードカバー１５の中を円滑に移動出来る。また、補助輪７に超過荷重が掛かても車軸受９が坐窟しないようにワッシャー１０を十分に厚くしておく。
走行するときは、補助輪７を両手の平で挟むように押し込むと、キャッチャー１２にワッシャー１０が磁力で固定されるので補助輪７は格納状態を維持し、走行を妨げることはない。The axle 8 and the auxiliary wheel 7 are fixed, inserted into the vehicle bearing 9 with the rear frame 2 interposed therebetween, and an axle stopper 11 is attached to the end protruding to the opposite side. A washer 10 made of a strong magnet is attached to the inner end of the vehicle bearing 9. The other auxiliary wheel 7 is mounted in the same manner with a catcher 12 having a hole 16 slightly larger than the axle stopper 11 interposed therebetween. The vehicle bearing 9 can smoothly move in a strong cylindrical guard cover 15 that does not act on the magnetic force. Further, the washer 10 is sufficiently thick so that the vehicle bearing 9 does not cave even if an excessive load is applied to the auxiliary wheel 7.
When driving, if the auxiliary wheel 7 is pushed between both palms, the washer 10 is fixed to the catcher 12 by a magnetic force, so the auxiliary wheel 7 maintains the retracted state and does not hinder the driving.

駐輪や移動のときは、片方の補助輪７を手の平で軽く叩くと車軸受９よりも長めの車軸８が、車軸ストッパー１１と共にキャッチャー１２の穴１６をすり抜けて、もう一方の補助輪７を押し出す。その帰りの手で、先ほど叩いた補助輪７を握り、左右同時に引けば、ワッシャー１０がリアフレーム２に強力に接着するので、安定した駐輪や移動を可能にしたものである。  When parking or moving, if one of the auxiliary wheels 7 is lightly tapped with the palm of the hand, the axle 8 that is longer than the vehicle bearing 9 passes through the hole 16 of the catcher 12 together with the axle stopper 11 and the other auxiliary wheel 7 is removed. Extrude. By holding the auxiliary wheel 7 struck with the return hand and pulling it at the same time on the left and right, the washer 10 strongly adheres to the rear frame 2, so that stable parking and movement are possible.

１．メインフレーム
２．リアフレーム
３．シートチューブ
４．シートポスト
５．サドル
６．ハンドル
７．補助輪
８．車軸
９．車軸受
１０．ワッシャー
１１．車軸ストッパー
１２．キャッチャー
１３．ヘッドチューブ
１４．フロントホイール
１５．車軸受ガードカバー
１６．穴1. Main frame Rear frame Seat tube 4. Seat post 5. Saddle Handle 7. Auxiliary wheel 8. Axle 9. Car bearing 10. Washer 11. Axle stopper 12. Catcher 13. Head tube 14. Front wheel 15. Car bearing guard cover 16. hole

Claims (1)

磁力で固定する折り畳み自転車の格納式引行補助輪であって、磁石の弱点である横方向からの抵抗を受けて不用意に脱落しないように、格納式引行補助輪を固定するための磁石で作ったワッシャーをガードカバーに納め磁石の接着面に対して垂直方向以外に動かない様にした折り畳み自転車の格納式引行補助輪。A retractable retractable auxiliary wheel for folding bicycles that is fixed by magnetic force, and a magnet for fixing the retractable retractable auxiliary wheel so that it does not fall off inadvertently due to resistance from the lateral direction, which is a weak point of the magnet Retractable retractable auxiliary wheel for folding bicycles, where the washer made in the above is placed in a guard cover so that it does not move in any direction other than perpendicular to the adhesive surface of the magnet.
JP2011141175A 2011-06-08 2011-06-08 Retractable retractable auxiliary wheel for folding bicycles fixed by magnetic force Expired - Fee Related JP5877477B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2011141175A JP5877477B2 (en) 2011-06-08 2011-06-08 Retractable retractable auxiliary wheel for folding bicycles fixed by magnetic force

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Application Number Priority Date Filing Date Title
JP2011141175A JP5877477B2 (en) 2011-06-08 2011-06-08 Retractable retractable auxiliary wheel for folding bicycles fixed by magnetic force

Publications (2)

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JP2012254773A JP2012254773A (en) 2012-12-27
JP5877477B2 true JP5877477B2 (en) 2016-03-08

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104029774B (en) * 2014-06-30 2017-01-11 罗梓珊 Semiautomatic opening-closing device for electric folding bicycles
CN104290835B (en) * 2014-09-25 2016-09-07 李陈 A kind of wheelbarrow with auxiliary wheel
JP6687193B2 (en) * 2016-06-03 2020-04-22 郁磨 福井 Folding bicycle
CN107235095B (en) * 2017-06-18 2018-12-21 永康市宝悦车业有限公司 A kind of moveable perambulator of auxiliary wheel
CN108100132B (en) * 2017-11-06 2020-01-03 深圳市卓越智尚科技有限公司 Driving balance method for balance vehicle
CN111846072A (en) * 2018-08-04 2020-10-30 扬顶（天津）科技有限公司 Self-balancing vehicle wheel shock absorption and balance correction mechanism
JP6739125B2 (en) * 2020-03-18 2020-08-12 郁磨 福井 Folding bicycle

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4844375Y1 (en) * 1969-11-07 1973-12-20
JPS50143250A (en) * 1974-05-07 1975-11-18
JP3503897B1 (en) * 2002-10-15 2004-03-08 合資会社オフィス ケー Auxiliary wheel for folding bicycle and folding bicycle with the auxiliary wheel
TW200810985A (en) * 2006-08-25 2008-03-01 yi-xiong Lu Storage basket of vehicle
JP2009107608A (en) * 2007-10-29 2009-05-21 Design Office Ban:Kk Folding bike
JP3150661U (en) * 2009-03-09 2009-05-28 益成 林 Misalignment structure for folding roller for folding bicycle
US7815208B1 (en) * 2009-04-06 2010-10-19 Yi-Cheng Lin Structure for laterally moving a folded folding bicycle

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