WO2012026751A2 - Bicyclette ayant un moyeu en mesure de transmettre de l'énergie d'un côté ou de l'autre de celui-ci - Google Patents

Bicyclette ayant un moyeu en mesure de transmettre de l'énergie d'un côté ou de l'autre de celui-ci Download PDF

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Publication number
WO2012026751A2
WO2012026751A2 PCT/KR2011/006242 KR2011006242W WO2012026751A2 WO 2012026751 A2 WO2012026751 A2 WO 2012026751A2 KR 2011006242 W KR2011006242 W KR 2011006242W WO 2012026751 A2 WO2012026751 A2 WO 2012026751A2
Authority
WO
WIPO (PCT)
Prior art keywords
hub
gear
pedal
bicycle
power transmission
Prior art date
Application number
PCT/KR2011/006242
Other languages
English (en)
Korean (ko)
Other versions
WO2012026751A3 (fr
Inventor
김복성
김도환
Original Assignee
Kim Bog Sung
Kim Do Hwan
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
Priority claimed from KR1020100083113A external-priority patent/KR100989680B1/ko
Application filed by Kim Bog Sung, Kim Do Hwan filed Critical Kim Bog Sung
Publication of WO2012026751A2 publication Critical patent/WO2012026751A2/fr
Publication of WO2012026751A3 publication Critical patent/WO2012026751A3/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/02—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of unchangeable ratio
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/02—Transmissions characterised by use of an endless chain, belt, or the like of unchangeable ratio

Definitions

  • the present invention relates to a bicycle, and more particularly, having a hub that allows the hub gears on both sides to be rotated at the same rotation speed at the same time, and having a hub capable of continuously driving the left and right pedals even when the pedal shafts are separated from each other. It's about one bike.
  • a bicycle generally includes a power transmission device 100 using a chain, and a rotation force of a pedal gear is applied to a hub gear of a rear wheel through a chain as a user rotates the pedal by applying artificial force. It is one of the means of transportation that is transmitted and moved forward with the rear wheel rotating together with the rear wheel.
  • the power transmission device 100 will be described with reference to FIG. 2.
  • the power transmission device 100 includes an integrated pedal set 113 in which both pedals 112 are coupled to one pedal shaft 111, a pedal gear 114 coupled to the pedal shaft 111, and a hub (
  • the hub gear 130 is coupled to the 120, the hub 120 through which the central shaft of the rear wheel penetrates and the wheels are connected, and a chain 140 for transmitting power. That is, in a typical bicycle, both pedals are directly coupled to one pedal shaft 111.
  • FIG 3 is an assembled state diagram of the hub 120 of the conventional chain bicycle
  • Figure 4 is a schematic exploded perspective view of the hub 120
  • Figure 5 is a detailed exploded perspective view of the hub 120.
  • the general hub 120 is connected to the wheel of the rear wheel hub hub 122 through which the hub fixing shaft 121 penetrates, screwing one side of the hub shell 122
  • the ratchet wheel 130 and the hub shell 122 includes a nut 124 for fixing the hub fixing shaft.
  • the ratchet wheel 130 has a pole wheel 131 is provided with a pole 132 on the outer circumferential surface, and a pole gear 133a is formed on the inner circumferential surface to engage the pole 132 so that power is transmitted only in one direction.
  • the sprocket wheel 133 is formed, the chain sprocket 133b is formed, and the pole wheel 131 is installed in the sprocket wheel 133 and includes a wheel cap 134 for fixing them.
  • Such a conventional bicycle is a main cause of the failure of the bicycle because the chain is frequently separated or cut from the gear, there is a problem that the loss of energy occurs in the process of transmitting the rotational force through the chain.
  • the general bicycle configured as described above has a long transmission path between the pedal gear and the hub gear because the pedal gear is provided on one side of the bicycle. Therefore, there is a problem that a loss of energy occurs in the process of transmitting the rotational force through the chain.
  • the pedal shaft can only be located outside the radius of the rear wheels.
  • an object of the present invention is to provide a hub for both hub gears to be rotated at the same speed at the same time, even if the left and right pedal shafts are separated continuously driving the left and right pedals In providing a bicycle having a hub that can be.
  • the bicycle having a hub capable of power transmission in both sides is provided with at least one pole on the outer circumferential surface, each of the rotation shaft is coupled or integrally formed with the hub gear; And a hub shaft through which the rotating shaft penetrates, a pole gear is formed on the inner circumferential surface thereof so as to transmit power by engaging the pawl, and wheel wheels of the rear wheels are connected to each other. Rotate by rotation
  • the pedal shaft includes a pair of pedals, a pair of pedal gears respectively coupled to the pair of pedals, and a pair of power transmission means for transmitting the rotational force of the pedal gear to the hub gear, respectively It is preferable.
  • the power transmission means is preferably at least one idle gear positioned between the pedal gear and the hub gear.
  • the power transmission means is preferably a chain.
  • the pedal shaft is preferably located within the radius of the rear wheel.
  • pedal gears and hub gears are provided on both sides of the rear wheel, respectively, and there is an effect of driving them by rotating them.
  • the pedal shafts can be provided close to the rear wheel side, thereby improving power transmission efficiency.
  • the hub gears on both sides rotate at the same rotation speed at the same time, even if the pedal gears are provided on the left and right respectively, the left and right pedals can be driven continuously.
  • the bicycle is shorter than the conventional bicycle, the weight of the bicycle is not only reduced, but also easy to store and transport.
  • FIG. 1 is a front view of a conventional chain bicycle
  • Figure 2 schematically shows a power transmission device of a conventional chain bicycle.
  • 3 to 5 show the configuration of a hub used in a conventional chain bicycle.
  • Figure 12 shows another embodiment according to the present invention.
  • an embodiment according to the present invention includes a front wheel and a rear wheel, a frame and a saddle, and a power transmission device 1.
  • the power transmission device 1 is a pedal set 10 composed of a pair of pedals 12 provided on the left and right sides of the rear wheel, and a pair of pedal gears 20 that are rotated by being coupled to the pedal shaft 11. ), A pair of hub gears 30 provided on the center shaft of the rear wheel (hub fixed shaft 61), and the pedal gears to match the rotational direction of the pedal gear 20 and the hub gear 30. 20) and a pair of idle gears (40) mounted between the hub gear (30).
  • the idle gear 40 has side walls formed at both ends of the gear tooth. It is meshed with the pedal gear 20 or the hub gear 30 into the two side walls. Due to the formation of the sidewalls, the pedal gear 20, the idle gear 30, and the hub gear 40 may be prevented from being separated from each other, thereby achieving a tight fit. Conversely, the idle gear has the same effect by forming side walls at both ends of the gear teeth of the pedal gear and the hub gear without the side wall being formed.
  • the center of the idle gear 40 is fixed to the frame.
  • the pedal gear 20 is rotated by rolling any one pedal 12, the rotational force is to rotate the rear wheel through the idle gear 40 and the hub gear (30).
  • this embodiment can be seen that the pedal shaft (center of the pedal gear, 11) is installed within the radius of the rear wheel. It is well known that the closer the pedal shaft 11 is to the center of the rear wheel, the faster the reaction and the higher the power transmission efficiency. According to the present invention, since the pedal shaft 11 is separated from left and right, the pedal shaft 11 can be installed closer to the center of the rear wheel than the conventional bicycle. Therefore, the power transmission distance is significantly reduced, thereby minimizing the power loss.
  • the hub 60 of the present invention includes a hub fixing shaft 61, a hub shell 63, and a rotation shaft 62.
  • the hub shell (63) has flanges (63b) formed on both sides thereof so that the wheels (50) of the rear wheels are connected, and a pole gear (63a) is formed on an inner circumferential surface thereof.
  • the rotary shaft 62 penetrates through the inside of the hub shell 63, and at least one pawl 62c is provided on an outer circumferential surface thereof. Specifically, the pawl 62c is provided in the seating groove 62b formed on the outer circumferential surface of the rotary shaft 62, and is supported to elastically protrude by the wire spring 62d. The pawl 62c is engaged with the pole gear 63a to rotate the hub shell 63 in one direction.
  • flanges 62a are formed at both sides of the rotary shaft 62, and hub gears 30 are screwed to each of the flanges 62a.
  • the hub gears 30 on both sides may be rotated in synchronization.
  • the pair of hub gear 30 may be integrally formed on both sides of the rotary shaft 62.
  • the rotary shaft 62 is formed by separating any one of the flanges (62a) and then combined. This is to facilitate the assembly through the hub shell (63).
  • a hub fixing shaft 61 fixed to the frame of the bicycle is inserted into the center of the rotating shaft 62, and a nut 64 fixing the rotating shaft 62 to the hub fixing shaft 61 is further included. It is provided.
  • a bearing B is provided between the rotary shaft 62 and the hub shell 63 and between the rotary shaft 62 and the nut 64 to facilitate rotation.
  • the hub shaft 30 is coupled between the hub shell 63 and the hub fixing shaft 61 by operating the rotation shaft 62 to which the hub gear 30 is coupled.
  • the pedal gears provided on both the left and right sides also match the rotation speed, and the pedals 12 on both sides are also positioned at 180 ° to each other so that the bicycle user can drive the pedal. Will be.
  • the present embodiment uses the minimum gear for power transmission efficiency of the bicycle in driving the bicycle with the gears installed separately on the left and right sides without the chain, and the rotation of the gears mounted on both sides for driving the bicycle. And a power train 1 with a hub 60 necessary to match the numbers.
  • a plurality of idle gears may be provided.
  • an odd number of idle gears may be provided to match the rotation direction of the pedal gear and the hub gear, or an even number of idle gears may be provided to reverse the rotation direction of the pedal gear and the hub gear, and then the rear wheel may be rotated through the transmission. It is also possible to match the pedal gear with the direction of rotation.
  • the chain 70 is provided as a power transmission means instead of the idle gear (40 in Figure 7).
  • the pedal shafts 11 on both sides are separated, the pedal shaft 11 can be installed closer to the center of the rear wheel than in the related art. Accordingly, the chain length can be shortened, thereby improving power transmission efficiency. .

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Gear Transmission (AREA)
  • Structure Of Transmissions (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

La présente invention concerne une bicyclette, et plus particulièrement, une bicyclette ayant un moyeu, des engrenages de moyeu arrangés de chaque côté du moyeu tournant de manière simultanée au même nombre de tr/mn de façon à faire tourner continuellement les pédales gauche et droite même quand les axes de pédale de celles-ci sont séparés en un axe de pédale gauche et un axe de pédale droit. La bicyclette ayant un moyeu en mesure de transmettre de l'énergie d'un côté ou de l'autre de celui-ci selon la présente invention comporte ledit moyeu, le moyeu comprenant : un axe de rotation, dont la surface extérieure comporte un ou plusieurs pôles, et des engrenages de moyeu étant accouplés à ou étant formés d'un seul tenant d'un côté ou de l'autre du moyeu, respectivement; et un carter de moyeu au travers duquel l'axe de rotation pénètre, et dont la surface intérieure comporte des engrenages de pôle qui sont destinés à s'engrener avec les pôles de manière à transmettre l'énergie, les rayons de la roue arrière étant connectés au carter de moyeu et les engrenages de moyeu tournant simultanément au même nombre de tr/mn.
PCT/KR2011/006242 2010-08-26 2011-08-24 Bicyclette ayant un moyeu en mesure de transmettre de l'énergie d'un côté ou de l'autre de celui-ci WO2012026751A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100083113A KR100989680B1 (ko) 2010-04-09 2010-08-26 일체형 허브를 구비한 자전거 동력전달장치
KR10-2010-0083113 2010-08-26

Publications (2)

Publication Number Publication Date
WO2012026751A2 true WO2012026751A2 (fr) 2012-03-01
WO2012026751A3 WO2012026751A3 (fr) 2012-05-03

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PCT/KR2011/006242 WO2012026751A2 (fr) 2010-08-26 2011-08-24 Bicyclette ayant un moyeu en mesure de transmettre de l'énergie d'un côté ou de l'autre de celui-ci

Country Status (2)

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TW (1) TWI439393B (fr)
WO (1) WO2012026751A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10112682B2 (en) * 2016-01-07 2018-10-30 T. Pong Company Method to sever and disengage a bicycle drivetrain between the crank axis and rear wheel axle, thereby enabling a fold in the bicycle frame at a specified point between said crank axis and rear wheel axle on a vertical or near vertical axis parallel to the plane of the drive train
FR3089486A1 (fr) * 2018-12-05 2020-06-12 Bruno Thoreau Velo de musculation pour renforcer le gainage ainsi que la musculature

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008273462A (ja) * 2007-05-07 2008-11-13 Matsumoto Kei 全長の短い自転車
JP2008290586A (ja) * 2007-05-25 2008-12-04 Kei Matsumoto 全長の短い自転車
KR100989680B1 (ko) * 2010-04-09 2010-10-26 김도환 일체형 허브를 구비한 자전거 동력전달장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008273462A (ja) * 2007-05-07 2008-11-13 Matsumoto Kei 全長の短い自転車
JP2008290586A (ja) * 2007-05-25 2008-12-04 Kei Matsumoto 全長の短い自転車
KR100989680B1 (ko) * 2010-04-09 2010-10-26 김도환 일체형 허브를 구비한 자전거 동력전달장치

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10112682B2 (en) * 2016-01-07 2018-10-30 T. Pong Company Method to sever and disengage a bicycle drivetrain between the crank axis and rear wheel axle, thereby enabling a fold in the bicycle frame at a specified point between said crank axis and rear wheel axle on a vertical or near vertical axis parallel to the plane of the drive train
FR3089486A1 (fr) * 2018-12-05 2020-06-12 Bruno Thoreau Velo de musculation pour renforcer le gainage ainsi que la musculature

Also Published As

Publication number Publication date
TW201210889A (en) 2012-03-16
WO2012026751A3 (fr) 2012-05-03
TWI439393B (zh) 2014-06-01

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