KR20100066901A - Auxiliary driving apparatus for bicycle - Google Patents

Auxiliary driving apparatus for bicycle Download PDF

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Publication number
KR20100066901A
KR20100066901A KR1020080125403A KR20080125403A KR20100066901A KR 20100066901 A KR20100066901 A KR 20100066901A KR 1020080125403 A KR1020080125403 A KR 1020080125403A KR 20080125403 A KR20080125403 A KR 20080125403A KR 20100066901 A KR20100066901 A KR 20100066901A
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South Korea
Prior art keywords
bicycle
motor
gear
drive
coupled
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KR1020080125403A
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Korean (ko)
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허사진
장찬환
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주식회사 히든파워
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Priority to KR1020080125403A priority Critical patent/KR20100066901A/en
Publication of KR20100066901A publication Critical patent/KR20100066901A/en

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    • 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
    • B62M7/00—Motorcycles characterised by position of motor or engine
    • B62M7/02—Motorcycles characterised by position of motor or engine with engine between front and rear wheels
    • 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
    • B62M13/00—Transmissions characterised by use of friction rollers engaging the periphery of the ground wheel
    • B62M13/04—Transmissions characterised by use of friction rollers engaging the periphery of the ground wheel with means for moving roller into driving contact with ground wheel
    • 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
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/40—Rider propelled cycles with auxiliary electric motor
    • B62M6/75—Rider propelled cycles with auxiliary electric motor power-driven by friction rollers or gears engaging the ground wheel
    • 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
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/80—Accessories, e.g. power sources; Arrangements thereof
    • 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 SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2204/00—Adaptations for driving cycles by electric motor

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

PURPOSE: A sub drive apparatus for a bicycle is provided to reduce noise by enabling power transmission and shift through a timing belt. CONSTITUTION: A sub drive apparatus for a bicycle comprises a mount, a bracket, a motor, a pair of substrates(40), a slave gear, a timing belt, and a driving roller. A mount is fixed to the seat tube of a bicycle, wherein a flange is formed at the both ends thereof. The bracket is fixed by a screw has a fastening structure. The motor is inserted into the bracket. A pair of substrates are coupled with one end of the motor through a screw. The driven gear is coupled with the drive gear coupled with the drive shaft of the motor. The timing belt connects the drive gear and the drive gear.

Description

자전거용 보조구동장치{Auxiliary Driving Apparatus for Bicycle}Auxiliary Driving Apparatus for Bicycle}

본 발명의 일반 자전거와 같이 답력으로 페달을 회전시켜 주행하는 한편, 보다 큰 구동력이 필요할 경우 전동모터의 구동력을 보충해주는 자전거용 보조구동장치에 관한 것이다.The present invention relates to a bicycle auxiliary drive device that supplements the driving power of an electric motor while driving by rotating a pedal with a pedaling force as in the general bicycle of the present invention.

본 발명은 기존의 자전거 구조를 변경하지 않고 손쉽게 부가적으로 장착할 수 있는 것이다.The present invention can be easily mounted additionally without changing the existing bicycle structure.

자전거는 동력을 이용하지 않고 가속도를 살려 주행할 수 있는 탁월한 이송기구로 알려져 있다. 자전거는 대기 오염이나 소음공해가 전혀 없어 친환경적인 교통수단이자 운동기구로서 효용성이 매우 높다. 특히 원유가격이 상승하고 영양과다로 비만이 증가하고 있는 현대인들에게는 더없이 환영받고 있다. Bicycles are known as excellent transport mechanisms that can be driven with acceleration without using power. Bicycles have no air pollution or noise pollution and are very useful as eco-friendly transportation and exercise equipment. It is especially welcomed by modern people whose oil prices are rising and obesity is increasing due to overnutrition.

현재까지 알려진 소위 전기자전거는 전동모터의 구동력을 체인으로 자전거의 후륜의 스프로킷에 전달하고 페달과의 중복을 피하기 위하여 일방향 클러치를 장착한 구조가 주종을 이루고 있다. 이러한 구조들은 동력전달 거리가 멀어서 구성이 산만하고 소음이 많이 발생하며 자전거 고유의 미관을 해친다는 결함을 안고 있다.The so-called electric bicycles known to date are mainly composed of a one-way clutch mounted to transfer the driving force of the electric motor to the sprocket of the rear wheel of the bicycle and avoid duplication with the pedal. These structures suffer from the drawbacks of distracting, noisy and disturbing the inherent aesthetics of the bicycle due to the long power transmission distance.

근래에는 소형이면서 고성능인 충전배터리와 모터가 개발되어 부피가 간소화 되면서 전동모터의 구동력을 후륜 타이어 측면에 접촉하여 인가시키는 구조가 소개된 바 있다. 그러나 감속장치의 소음발생과 구동초기의 충격, 설치위치의 불안정으로 인하여 실용화 되지 못하고 있는 실정이다. Recently, a compact and high-performance rechargeable battery and motor have been developed to simplify the volume, and a structure for applying the driving power of the electric motor to the side of the rear tire has been introduced. However, due to the noise generated in the reduction gear, the impact of the initial driving, and the instability of the installation position, it is not practically used.

소음발생과 초기구동충격은 스프로킷과 체인 또는 치차의 결합으로 이루어진 감속장치에서 기인하며 설치위치의 불안정과 외관상의 부조화는 최적의 구조를 추구하는데 있어서 아이디어의 부족에 그 원인이 있다고 사료된다.Noise generation and initial driving shock are caused by the reduction gear composed of sprocket and chain or gear, and the instability of installation location and appearance disharmony may be due to lack of ideas in pursuit of optimal structure.

본 발명은 이러한 종래의 문제점에 착안하여 최근고성능 축전지와 초소형 강력모터의 개발에 힘입어 최적의 설치위치와 정합성이 높은 구조, 자전거의 재원의 차이를 극복할 수 있는 가변적인 구조, 소음발생과 초기의 구동충격을 완화할 수 있는 감속구조를 해결하고자 하는 과제로 삼고 있다.The present invention has been made in view of the above-mentioned problems in recent years, thanks to the development of a high-performance storage battery and an ultra-small powerful motor, an optimal installation position and a high-conformity structure, a variable structure capable of overcoming the difference in the resources of the bicycle, noise generation and initial As a task to solve the deceleration structure that can mitigate the driving shock of the.

본 발명은 이러한 과제를 해결하기 위한 새로운 구조의 자전거 보조구동장치를 제공하고자 하는 것으로, The present invention is to provide a bicycle auxiliary drive device of a novel structure for solving this problem,

자전거의 시트튜브에 고정되며 양단에 플렌지가 형성된 마운트 그리고, 마운 트에 나사로 고정되고 조임 구조를 갖는 브래킷, 브래킷에 끼워져 고정되는 모터, 모터의 일 단부에 나사결합 되는 한 쌍의 기판, 기판 사이의 상부에 모터의 구동축에 결합되는 구동기어와 기판 하부에 부싱으로 결합되는 종동기어, 구동기어와 종동기어를 연결하는 타이밍벨트, 종동축에 결합되고 일방향 베어링이 장착되며 후륜 타이어에 접면하는 구동롤러가 일련으로 조립된 구성으로 된다.A mount fixed to the seat tube of the bicycle and having flanges at both ends, and a bracket having a screwing and tightening structure to the mount, a motor fitted to the bracket, a pair of boards screwed to one end of the motor, A drive gear coupled to the drive shaft of the motor at the top and a driven gear coupled to the bushing at the bottom of the substrate, a timing belt connecting the drive gear and the driven gear, a drive roller coupled to the driven shaft and mounted with a one-way bearing and facing the rear tire It becomes a structure assembled in series.

본 발명은 동력전달 및 변속이 타이밍벨트로 이루어지므로 소음발생이 극히 적고 초기의 구동충격이 최소화 될 수 있어서 모터에 무리가 가지 않고 탑승감이 뛰어나다. 또한 본 발명은 기존 자전거의 시트튜브에 손쉽게 장착할 수 있고 구조가 간단하면서도 부피가 작아 외관상 거의 부담을 주지 않으며, 시트튜브와 후륜타이어 사이의 간격에 구애됨이 없이 구동 롤러와 후륜타이어 사이의 거리를 적정히 조정할 수 있다.In the present invention, since the power transmission and shifting are made of a timing belt, the noise is extremely low and the initial driving shock can be minimized, so the motor is not overwhelming and the riding comfort is excellent. In addition, the present invention can be easily mounted on the seat tube of the existing bicycle, the structure is simple, but the volume is small, almost no burden on the appearance, the distance between the drive roller and the rear tire without being bound by the distance between the seat tube and the rear wheel tire Can be adjusted appropriately.

본 발명의 구조를 첨부한 도면에 의거 상세히 설명한다.The structure of the present invention will be described in detail with reference to the accompanying drawings.

도1은 본 발명이 장착된 자전거의 예시도, 도2는 본 발명의 자전거용 보조구동장치를 나타낸 사시도, 도3은 본 발명의 자전거용 보조구동장치의 분해 사시도이다.Figure 1 is an exemplary view of a bicycle equipped with the present invention, Figure 2 is a perspective view showing a bicycle auxiliary drive device of the present invention, Figure 3 is an exploded perspective view of the bicycle auxiliary drive device of the present invention.

본 발명은 자전거 핸들에 설치되는 속도제어기(20)와 충전식 배터리(30), 변 속 회로함(40)그리고 구동 보조 장치(50)로 이루어진다.The present invention consists of a speed controller 20, a rechargeable battery 30, a shift circuit box 40 and a driving assistance device 50 installed on the handlebars.

구동 보조 장치(50)는 자전거의 시트튜브(1)에 고정되며 양단에 플렌지(3)(3')가 형성된 마운트(2)(2') 그리고, 마운트에 나사로 고정되고 조임 구조를 갖는 브래킷(4)(4'), 브래킷에 끼워져 고정되는 모터(5), 모터의 일 단부에 나사결합 되는 한 쌍의 기판(6)(6'), 기판 사이의 상부에 모터(5)의 구동축에 결합되는 구동기어(7)와 기판 하부에 부싱(10)(10')으로 결합되는 종동기어(8), 구동기어(7)와 종동기어(8)를 연결하는 타이밍벨트(11), 종동축(9)에 결합되고 일방향 베어링(13)이 장착되며 후륜 타이어(15)에 접면하는 구동롤러(12)가 일련으로 조립된 구성을 특징으로 한다. The driving assistance device 50 is fixed to the seat tube 1 of the bicycle, and mounts 2 and 2 'with flanges 3 and 3' formed at both ends thereof, and brackets having screws and fastened structures to the mounts ( 4) (4 '), a motor (5) fitted into a bracket, a pair of substrates (6) (6') screwed to one end of the motor, and coupled to a drive shaft of the motor (5) on top between the substrates Driven gear 7 and driven gear 8 coupled to bushings 10 and 10 'under the substrate, timing belt 11 connecting driven gear 7 and driven gear 8, driven shaft ( 9) and a one-way bearing 13 is mounted, characterized in that the drive roller 12 in contact with the rear wheel tire 15 is assembled in series.

전면 마운트(2)(2')의 양단에 형성된 플렌지(3)(3')중 하나는 길이가 길다. 브래킷(4)(4') 중 어느 하나에는 각도조절을 위한 눈금이 표시된다. 구동롤러(12)는 후륜타이어(15)와 접촉 면적이 최대가 되도록 경사각을 가진다.One of the flanges 3, 3 'formed at both ends of the front mount 2, 2' is long in length. One of the brackets 4 and 4 'is marked with a scale for angle adjustment. The driving roller 12 has an inclination angle so that the contact area with the rear wheel tire 15 is maximized.

본 발명은 자전거 핸들에 설치되는 속도제어기(20)와 충전식 배터리(30), 변속 회로함(40)그리고 구동 보조 장치(50)로 이루어 져 있는 바, 속도제어기(20)는 변속 회로함(40)에 입력된 변속회로에 지시하며 탑승자가 손으로 간단히 조작할 수 있다. 그 주요한 기능은 모터를 작동시킬 때 동력이 급작이 인가되지 않도록 지체시간(delay time)을 주거나 서진(slow start)하게 하는 기능이다.The present invention is composed of a speed controller 20, a rechargeable battery 30, a shift circuit box 40 and a driving assistance device 50 installed on the handlebars, the speed controller 20 is a shift circuit box (40). ) Is instructed on the shift circuit inputted by the passenger and can be easily operated by the passenger. Its main function is to allow a slow time or slow start so that power is not applied when the motor is running.

본 발명은 자전거 후륜타이어와 인접한 위치의 시트튜브(1)에 장착된다. 구동롤러(12)가 후륜타이어(15)에 충분히 접촉되도록 각도와 간격을 정한 다음 모 터(5)를 브래킷(4)(4')에 고정한다. The present invention is mounted on the seat tube (1) in the position adjacent to the bicycle rear wheel tire. Set the angle and distance so that the driving roller 12 is in sufficient contact with the rear tires 15, and then fix the motor (5) to the bracket (4) (4 ').

본 발명은 회로에 입력된 정보에 의하여 속도제어기의 조작에 따라 속도가 제어되는데, 구동기어(7)와 종동기어(8), 그리고 타이밍벨트(11)로 이어지는 감속 및 전동 구조는 본 발명의 특징을 이루는 핵심적인 내용이다. 종동기어(8)는 구동기어(7)보다 직경이 커서 감속기능을 갖게 되며 타이밍벨트(11)는 신축성이 있어서 동력의 전달충격을 완화해준다. 또한 구동기어와 종동기어가 맞물려서 동력이 전달될 때 발생하는 심각한 소음을 피할 수 있다.According to the present invention, the speed is controlled according to the operation of the speed controller by information input to the circuit, and the deceleration and transmission structure leading to the drive gear 7, the driven gear 8, and the timing belt 11 are features of the present invention. It is the essential content to achieve. The driven gear 8 has a larger diameter than the drive gear 7 to have a deceleration function, and the timing belt 11 has elasticity to alleviate the transmission shock of power. In addition, drive gears and driven gears are engaged to avoid serious noise generated when power is transmitted.

본 발명은 필요에 따라 구동롤러(12)가 후륜타이어의 측면(side face)이 아니라 전면(front face)에 접하도록 구조를 변경할 수 있다. 즉, 마운트의 설치 각도를 90도 회전하여 고정하고 전면 마운트(2')를 180도 회전시켜 플렌지(3)(3')의 위치가 바뀌게 한 후 구동롤러(12)를 전면용으로 교체하면 전면에 접하는 구조로 변환된다. According to the present invention, the driving roller 12 may be modified as necessary so that the driving roller 12 is in contact with the front face rather than the side face of the rear tire. That is, if the mounting angle of the mount is fixed by 90 degrees, the front mount (2 ') is rotated 180 degrees to change the position of the flanges (3) and (3'). It is converted into a structure that contacts.

도1은 본 발명이 장착된 자전거의 예시도1 is an illustration of a bicycle equipped with the present invention

도2는 본 발명의 자전거용 보조구동장치를 나타낸 사시도Figure 2 is a perspective view of the auxiliary drive device for a bicycle of the present invention

도3은 본 발명의 자전거용 보조구동장치의 분해 사시도Figure 3 is an exploded perspective view of the auxiliary drive device for a bicycle of the present invention

<도면의 주요부분에 대한 부호설명><Code Description of Main Parts of Drawing>

1: 시트튜브 2,2': 마운트 1: seat tube 2,2 ': mount

3,3': 플렌지 4,4': 브래킷 3,3 ': flange 4,4': bracket

5: 모터 6,6': 기판 5: motor 6,6 ': substrate

7: 구동기어 8: 종동기어 7: drive gear 8: driven gear

9: 종동축 10,10': 부싱 9: driven shaft 10,10 ': bushing

11: 타이밍벨트 12: 구동 롤러 11: Timing belt 12: Drive roller

13: 일방향 베어링 15: 후륜타이어 13: one-way bearing 15: rear tire

20: 속도 제어기 30: 배터리 20: speed controller 30: battery

40: 변속 회로함40: shifting circuit box

Claims (1)

자전거의 시트튜브(1)에 고정되며 양단에 플렌지(3)(3')가 형성된 마운트(2)(2') 그리고, 마운트에 나사로 고정되고 조임 구조를 갖는 브래킷(4)(4'), 브래킷에 끼워져 고정되는 모터(5), 모터의 일 단부에 나사결합 되는 한 쌍의 기판(6)(6'), 기판 사이의 상부에 모터(5)의 구동축에 결합되는 구동기어(7)와 기판 하부에 부싱(10)(10')으로 결합되는 종동기어(8), 구동기어(7)와 종동기어(8)를 연결하는 타이밍벨트(11), 종동축(9)에 결합되고 일방향 베어링(13)이 장착되며 후륜 타이어(15)에 접면하는 구동롤러(12)가 일련으로 조립된 구성을 특징으로 하는 자전거용 보조구동장치.A mount (2) (2 ') fixed to the seat tube (1) of the bicycle and having flanges (3) (3') formed at both ends thereof, and a bracket (4) (4 ') screwed to the mount and having a tightening structure; A motor 5 fitted to the bracket, a pair of substrates 6 and 6 'screwed to one end of the motor, a drive gear 7 coupled to the drive shaft of the motor 5 on top of the substrate and A one-way bearing coupled to the driven gear 8 coupled to the lower portion of the substrate by the bushings 10 and 10 ′, the timing belt 11 connecting the drive gear 7 and the driven gear 8, and the driven shaft 9. (13) is mounted, the auxiliary drive device for bicycles, characterized in that the drive roller 12 in contact with the rear wheel tire (15) is assembled in series.
KR1020080125403A 2008-12-10 2008-12-10 Auxiliary driving apparatus for bicycle KR20100066901A (en)

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KR1020080125403A KR20100066901A (en) 2008-12-10 2008-12-10 Auxiliary driving apparatus for bicycle

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KR20100066901A true KR20100066901A (en) 2010-06-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101127513B1 (en) * 2009-05-21 2012-03-26 주식회사 히든파워 Auxiliary driving apparatus for bicycle
KR102095162B1 (en) * 2019-10-17 2020-03-30 장찬환 Electric bicycle conversion kit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101127513B1 (en) * 2009-05-21 2012-03-26 주식회사 히든파워 Auxiliary driving apparatus for bicycle
KR102095162B1 (en) * 2019-10-17 2020-03-30 장찬환 Electric bicycle conversion kit

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