KR950024940A - Bicycle forward drive - Google Patents

Bicycle forward drive Download PDF

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Publication number
KR950024940A
KR950024940A KR1019940002377A KR19940002377A KR950024940A KR 950024940 A KR950024940 A KR 950024940A KR 1019940002377 A KR1019940002377 A KR 1019940002377A KR 19940002377 A KR19940002377 A KR 19940002377A KR 950024940 A KR950024940 A KR 950024940A
Authority
KR
South Korea
Prior art keywords
shaft
rear wheel
driven sprocket
gear
fastened
Prior art date
Application number
KR1019940002377A
Other languages
Korean (ko)
Inventor
금춘섭
Original Assignee
유진숙
엠비아이 주식회사
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 유진숙, 엠비아이 주식회사 filed Critical 유진숙
Priority to KR1019940002377A priority Critical patent/KR950024940A/en
Publication of KR950024940A publication Critical patent/KR950024940A/en

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Abstract

본 발명은 탑승자의 목적 상황에 따라 언제든지 레버조정을 통하여 공회전 및 역회동시의 전진구동이 되도록 하여, 탑승자의 피로를 덜고 힘의 손실을 방지하도록 하기 위한 것으로, 후륜중심축(10)에 회동가능하게 체결되는 후륜허브축(20)과, 이 후륜허부축(20)에 고정되는 일방향클러치베어링(31)에 형성되며 페달에 의하여 구동되는 구동스프로킷과 체인으로 연결되는 종동스프로킷(30)과, 이 종동스프로킷(30)에 착탈가능하게 체결되며 역방향의 구동력을 정방향으로 반전시켜 상기 후륜허브축(20)이 항상 정방향으로 회동되도록 하는 반전구동부(40)와, 이 반전구동부(40)가 종동스프로킷(30)에 착탈되도록 탄발력을 부여하는 레버조정부(50)로 구성됨을 특징으로 하는 자전거의 전진구동 주행장치이다.The present invention is to enable forward driving at idle and reverse rotation at any time according to the purpose of the occupant to reduce the fatigue of the occupant and to prevent the loss of force, so as to be pivotable on the rear wheel central shaft (10) And a driven sprocket 30 which is formed on the rear wheel hub shaft 20 to be fastened, the one-way clutch bearing 31 fixed to the rear wheel supporting shaft 20, and driven by a pedal, and connected by a chain. A reversible drive unit 40 detachably fastened to the sprocket 30 and inverting the driving force in the reverse direction so that the rear wheel hub shaft 20 is always rotated in the forward direction, and the reverse drive unit 40 is driven sprocket 30. It is a forward drive driving device of the bicycle, characterized in that consisting of a lever adjustment unit 50 to give a detachable force to be detached.

Description

자전거의 전진구동 주행장치Bicycle forward drive

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명 자전거의 전진구동 주행장치를 나타내는 분해사시도.1 is an exploded perspective view showing a forward drive system of the present invention bicycle.

제3도는 본 발명의 종동스프로킷이 다단계로 형성된 것을 나타내는 단면도.3 is a cross-sectional view showing that the driven sprocket of the present invention is formed in multiple stages.

제4도는 본 발명에서 와이어로프가 당겨진 상태를 나타내는 단면도.4 is a cross-sectional view showing a state in which the wire rope is pulled in the present invention.

제5도는 본 발명에서 와이어로프가 복원스프링에 의하여 복원된 상태를 나타내는 단면도.5 is a cross-sectional view showing a state in which the wire rope is restored by the restoring spring in the present invention.

Claims (10)

후륜중심축에 회동가능하게 체결되는 후륜허브축과, 이 후륜허부축에 고정되는 일방향클러치베어링에 형성되며 페달에 의하여 구동되는 구동스프로킷과 체인으로 연결되는 종동스프로킷과, 상기 종동스프로킷에 착탈가능하게 체결되며 역방향의 구동력을 정방향으로 반전시켜 상기 후륜허브축이 항상 정방향으로 회동되도록 하는 반전구동부와, 상기 반전구동부가 종동스프로킷에 착탈되도록 탄발력을 부여하는 레버조정부로 구성됨을 특징으로 하는 자전거의 전진구동 주행장치.A rear wheel hub which is pivotally fastened to the rear wheel central shaft, a one-way clutch bearing fixed to the rear wheel hub and a driven sprocket driven by a pedal and a driven sprocket connected by a chain, and detachably attached to the driven sprocket. Fast forward of the bicycle, characterized in that it consists of a reverse drive unit for inverting the driving force in the reverse direction to always rotate the rear wheel hub shaft in the forward direction, and a lever adjustment unit for giving a resilient force to be detached to the driven sprocket Drive traveling. 제1항에 있어서, 상기 종동스프로킷은, 일단계 내지 다단계의 스프로킷들로 형성하여, 탑승자가 구동력을 다단계로 변속시킬 수 있도록 함을 특징으로 하는 자전거의 전진구동 주행장치.The apparatus of claim 1, wherein the driven sprocket is formed of sprockets of one stage to multiple stages, so that the occupant can shift the driving force in multiple stages. 제1항에 있어서, 상기 반전구동부는, 종동스프로킷에 일체로 연장돌출되는 스프로킷휠과, 상기 스프로킷휠의 내부에 회동가능하게 체결되며 종동스프로킷에 착탈되고 외접기어가 형성되는 래칫기어휠과, 상기 래칫기어휠의 외접기어에 치합되는 아이들기어가 체결되며 후륜중심축에 고정되는 브래킷박스와, 상기 브래킷박스의 아이들기어에 치합되도록 내접기어가 형성되어 역회동되는 반전기어휠로 이루어짐을 특징으로 하는 자전거의 전진구동 주행장치.According to claim 1, The inverting drive unit, Sprocket wheel which extends integrally to the driven sprocket, Ratchet gear wheel which is rotatably fastened in the sprocket wheel and detachable from the driven sprocket and the external gear is formed, An idle gear that is engaged with the external gear of the ratchet gear wheel is fastened and is fixed to the rear wheel center shaft, and an internal gear is formed so as to be engaged with the idle gear of the bracket box. Bicycle forward drive. 제3항에 있어서, 상기 반전구동부는, 역방향의 구동력을 정방향의 구동력으로 반전시키는 기어들의 형상을 헬리컬기어의 형상으로 하여, 원활한 작동과 구동소음 발생을 줄이도록 함을 특징으로 하는 자전거의 전진구동 주행장치.The forward driving of the bicycle according to claim 3, wherein the inversion driving unit has a shape of the helical gears that inverts the driving force in the reverse direction to the driving force in the forward direction to reduce the smooth operation and the generation of driving noise. Traveling device. 제3항에 있어서, 상기 래칫기어휠은, 아이들기어에 치합되는 외접기어의 일측에 십자편을 형성하여 종동스프로킷의 내측에 돌출되는 스프로킷돌기에 착탈되도록 함을 특징으로 하는 자전거의 전진구동 주행장치.The apparatus of claim 3, wherein the ratchet gear wheel forms a cross piece on one side of the external gear meshed with the idle gear so that the ratchet gear wheel is detachable from the sprocket protrusion protruding inside the driven sprocket. . 제3항에 있어서, 상기 브래킷박스는, 아이들기어가 체결되는 몸퉁에 나사결합되는 커버의 중심측에 스플라인보스가 형성되도록 함을 특징으로 하는 자전거의 전진구동 주행장치.The apparatus of claim 3, wherein the bracket box is formed such that a spline boss is formed at a center side of a cover which is screwed to a corner to which an idle gear is fastened. 제3항에 있어서, 상기 반전기어휠은, 내부에 반전기어돌기를 돌출시켜, 테이퍼지는 후륜허브축의 축단에 형성되는 축단돌기에 착탈되도록 함을 특징으로 하는 자전거의 전진구동 주행장치.4. The apparatus of claim 3, wherein the inverted gear wheel protrudes the inverted gear protrusion therein so as to be attached to and detached from the shaft end protrusion formed at the shaft end of the tapered rear wheel shaft. 5. 제1항과 제6항에 있어서, 상기 레버조정부는, 후륜중심축에 일체로 연장되며 일정한 길이의 키이 홈을 갖는 스플라인이 형성되는 중공축과, 상기 중공축의 스플라인에 끼워져 슬라이딩되며 고정키이에 체결되고 브래킷박스의 커버에 탄지되는 복원스프링에 연결되는 키이허브와, 상기 키이허브에 체결되는 고정키이에 연결되도록 중공축의 내부에 끼워지는 와이어로프와, 상기 와이어로프의 선단에 설치되는 작동레버로 이루어짐을 특징으로 하는 자전거의 전진구동 주행장치.According to claim 1 and 6, wherein the lever adjustment portion, the hollow shaft extending integrally to the rear wheel central shaft is formed with a spline having a key groove of a predetermined length, the hollow shaft is fitted to the spline of the hollow shaft and is fastened to the fixed key And a key hub connected to a restoring spring supported by the cover of the bracket box, a wire rope fitted inside the hollow shaft to be connected to a fixing key fastened to the key hub, and an operating lever installed at the tip of the wire rope. Driving forward driving device of the bicycle, characterized in that. 제8항에 있어서, 상기 와이어로프는, 중공축에 끼워져 출입되는 부분에 다관절의 연결체인이 연결되도록 함을 특징으로 하는 자전거의 전진구동 주행장치.The apparatus of claim 8, wherein the wire rope is connected to the joint shaft of a multi-joint to a portion of the wire rope inserted into and out of the hollow shaft. 제8항에 있어서, 상기 브래킷박스는, 스플라인보스가 형성되는 커버를 중공축의 스플라인에 체결하고, 고정너트를 상기 중공축에 체결하여 커버의 스플라인보스가 스플라인에서 이탈되지 않도록 함을 특징으로 하는 자전거의 전진구동 주행장치.The bicycle according to claim 8, wherein the bracket box fastens the cover on which the spline boss is formed to the spline of the hollow shaft, and fastens the fixing nut to the hollow shaft to prevent the spline boss of the cover from being separated from the spline. Forward drive. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940002377A 1994-02-08 1994-02-08 Bicycle forward drive KR950024940A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940002377A KR950024940A (en) 1994-02-08 1994-02-08 Bicycle forward drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940002377A KR950024940A (en) 1994-02-08 1994-02-08 Bicycle forward drive

Publications (1)

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KR950024940A true KR950024940A (en) 1995-09-15

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Application Number Title Priority Date Filing Date
KR1019940002377A KR950024940A (en) 1994-02-08 1994-02-08 Bicycle forward drive

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