KR20020019781A - Chainless Bicycle with Hydraulic Driving, Starting and Braking Function - Google Patents
Chainless Bicycle with Hydraulic Driving, Starting and Braking Function Download PDFInfo
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- KR20020019781A KR20020019781A KR1020000053041A KR20000053041A KR20020019781A KR 20020019781 A KR20020019781 A KR 20020019781A KR 1020000053041 A KR1020000053041 A KR 1020000053041A KR 20000053041 A KR20000053041 A KR 20000053041A KR 20020019781 A KR20020019781 A KR 20020019781A
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- valve
- hydraulic pump
- braking
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Classifications
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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
- B62M19/00—Transmissions characterised by use of non-mechanical gearing, e.g. fluid gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
- B62L1/005—Brakes; Arrangements thereof constructional features of brake elements, e.g. fastening of brake blocks in their holders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L3/00—Brake-actuating mechanisms; Arrangements thereof
- B62L3/02—Brake-actuating mechanisms; Arrangements thereof for control by a hand lever
- B62L3/023—Brake-actuating mechanisms; Arrangements thereof for control by a hand lever acting on fluid pressure systems
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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
- B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
- B62M25/08—Actuators for gearing speed-change mechanisms specially adapted for cycles with electrical or fluid transmitting systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H39/00—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution
- F16H39/02—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motors at a distance from liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
본 발명은 유압으로 기동 및 제동가능한 구동체인 없는 자전거에 관한 것으로, 특히 자전거의 운동 효율을 증대시키기 위해 유압시스템의 회로를 간략화시키고, 핸들측 손잡이 레버로 자전거 기동 및 제동 조작을 구현하도록 한 자전거에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bicycle without a drive chain capable of hydraulically starting and braking, in particular to a bicycle which simplifies the circuit of the hydraulic system in order to increase the exercise efficiency of the bicycle, and implements the bicycle starting and braking operation by the handle side handle lever. It is about.
일반적인 체인 자전거는 자전거 운전자의 체중을 실어 페달과 스프로켓 및 체인에 의해 초기에 평지나 경사진 언덕을 오르는 것은 상당한 초기 기동력이 요구된다.In general chain bicycles, the weight of the cyclist's weight and the initial climb of flat or sloped hills by pedals, sprockets and chains requires considerable initial maneuverability.
이와는 반대로, 속도를 내고 있는 상태에서나 경사진 비탈길을 내려올 때는 운전자의 체중과 자전거의 무게에 기인하는 관성력을 기계식 마찰브레이크에 의해 제동시키게 되며, 이와 같은 과정을 항상 반복하여 자전거를 운전하도록 한 장치가 종래의 자전거이다.On the contrary, when the vehicle is running at a high speed or down a slope, the inertia force caused by the driver's weight and the weight of the bicycle is braked by a mechanical friction brake. It is a conventional bicycle.
따라서 평지 등의 주행시에는 자전거를 주행하는데 피로감을 느끼는게 적은데 반해, 언덕길의 오르막에서는 피로감이 증가되고, 결국에는 끌고 올라가는 시간이 많아져 이동시간이 길어질 수 밖에 없었다. 결국 자전거 운동의 효율이 떨어진다.Therefore, while driving on flat lands, the fatigue of riding a bicycle is less likely to be felt. On the uphill hill, the fatigue is increased, and eventually, the time to pull up is increased and the travel time is long. After all, the efficiency of the bicycle exercise is reduced.
또한 체인과 스프로켓의 운동결합에 의해 운전중 체인이 느슨해질 염려가 크고 이는 자체의 체인이탈을 유도할 뿐만 아니라 외부 물건에 의한 체인 걸림현상을 유발시킬 수 있었다.In addition, the chain is likely to loosen during operation due to the movement combination of the chain and the sprocket, which not only induces its own chain detachment but also causes the chain to be caught by external objects.
따라서 본 발명은 상기와 같은 사정을 감안하여 창안된 것으로, 체인없는 자전거의 구동을 가능하도록 함과 동시에 유압회로를 간단히시켜 기동 및 제동 조작을 편리하게 수행하여 전반적인 이동운동의 효율을 증대시킬 수 있도록 한 유압식 기동 및 제동가능한 구동체인 없는 자전거를 제공함에 그 목적이 있다.Therefore, the present invention was devised in view of the above circumstances, so that the chainless bicycle can be driven and the hydraulic circuit can be simplified to perform the starting and braking operations conveniently so as to increase the efficiency of the overall movement. The object is to provide a bicycle without a hydraulic maneuverable and braking drive chain.
상기의 목적을 달성하기 위한 본 발명의 구체적인 수단은,Specific means of the present invention for achieving the above object,
앞쪽 또는 뒤쪽 중 어느 한쪽의 선택된 자전거 바퀴를 페달로 발생된 유압으로 구동시키기 위한 자전거로서,A bicycle for driving the selected bicycle wheel of either the front or the rear hydraulically generated by a pedal,
상기 페달의 회전력으로 압유를 발생시키도록 페달축에 연결된 유압펌프와;A hydraulic pump connected to the pedal shaft to generate pressure oil by the rotational force of the pedal;
상기 유압펌프의 토출 압유로 작동하도록 해당 선택 바퀴의 회전축에 연결된 유압모터와;A hydraulic motor connected to the rotating shaft of the selected wheel to operate with the discharge pressure oil of the hydraulic pump;
상기 유압펌프의 상류측과 상기 유압모터의 하류측과의 사이에 연결된 밸브수단과;Valve means connected between an upstream side of the hydraulic pump and a downstream side of the hydraulic motor;
상기 밸브수단에 연결된 작동유 보조탱크 및 고압축압기; 및A hydraulic oil auxiliary tank and a high pressure compressor connected to the valve means; And
상기 밸브수단을 조작하기 위한 밸브조작수단을 포함한 것을 특징으로 한다.It characterized in that it comprises a valve operation means for operating the valve means.
도 1은 본 발명에 따른 유압구동장치와 유압식 제동 및 기동장치를 적용한 자전거의 구성도.1 is a configuration diagram of a bicycle to which the hydraulic drive device and the hydraulic braking and starting device according to the present invention are applied.
도 2는 도 1에 도시된 유압식 기동 및 제동가능한 체인이 없는 자전거의 유압회로도.FIG. 2 is a hydraulic circuit diagram of the bicycle without the hydraulic maneuverable and brakeable chain shown in FIG.
<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>
1 : 좌측 레버 2a,2b : 스프링1: Left lever 2a, 2b: Spring
3 : 방향전환밸브 4 : 압유리턴라인3: Directional valve 4: Pressure glass turn line
5 : 유압펌프 6 : 압유공급라인5: hydraulic pump 6: pressure oil supply line
7 : 유압모터 8 : 페달7: hydraulic motor 8: pedal
9 : 우측레버 10 : 작동유 보조탱크9: Right lever 10: Hydraulic oil auxiliary tank
11 : 고압축압기11: high pressure compressor
이하, 첨부된 도면을 참조하여 본 발명의 실시예를 설명한다.Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention.
도 1은 본 발명에 따른 유압구동장치와 유압식 제동 및 기동장치를 적용한 자전거의 구성도이고, 도 2는 도 1에 도시된 유압식 기동 및 제동가능한 체인이 없는 자전거의 유압회로도이다.1 is a block diagram of a bicycle to which the hydraulic driving device and the hydraulic braking and starting device according to the present invention are applied, and FIG. 2 is a hydraulic circuit diagram of the bicycle without the hydraulic starting and braking chain shown in FIG. 1.
도면 부호 5는 유압펌프이다.Reference numeral 5 is a hydraulic pump.
유압펌프(5)는 페달(8)이 연결되어 있는 크랭크형식의 페달축(12)에 설치되어 있다. 페달(8)을 밝고 페달축(12)에 회전시키면 유압펌프(5)에서 페달(8)의 회전수에 비례하여 유압펌프(5)가 압유를 토출해낸다.The hydraulic pump 5 is attached to the crank-type pedal shaft 12 to which the pedal 8 is connected. When the pedal 8 is bright and rotated on the pedal shaft 12, the hydraulic pump 5 discharges the hydraulic oil in proportion to the rotational speed of the pedal 8 in the hydraulic pump 5.
상기 유압펌프(5)에는 유압모터(7)가 압유공급라인(6)을 통해 연결되어 있고, 유압모터(7)는 유압펌프(5)와 고정용량이면서 동일 용량이므로 설정되어 있다. 유압모터(7)는 본 실시예에서 후방측 바퀴(70)의 회전축(71)에 연결되어 있다. 유압펌프(5)에서 토출되는 압유는 유압모터(7)를 회전시키므로 유압펌프(5)의 토출 압유량에 비례하여 유압모터(7)의 회전수가 비례하게 되어 있다.The hydraulic motor 7 is connected to the hydraulic pump 5 via the pressure oil supply line 6, and the hydraulic motor 7 is set because it is the same capacity as the hydraulic pump 5. The hydraulic motor 7 is connected to the rotary shaft 71 of the rear wheel 70 in this embodiment. Since the hydraulic oil discharged from the hydraulic pump 5 rotates the hydraulic motor 7, the rotational speed of the hydraulic motor 7 is proportional to the discharge pressure of the hydraulic pump 5.
상기 유압펌프(5)의 상류측(흡입구측)과 유압모터(7)의 하류측(토출구측)과의 사이에는 압유의 흐름을 제어하는 밸브수단으로 노멀(normal) 오픈타입의 4포트 3위치 4방향 방향전환밸브(3)가 설치되어 있고, 상기 방향전환밸브(3)는 양측의 스프링(2a,2b)에 의해 중립위치를 유지하고 있고, 상기 방향전환밸브(3)는 자전거 핸들측 밸브조작수단에 의해 절환 조작되게 되어 있다. 본 실시예에서는 자전거 핸들(20)측 좌,우측에 각기 구비된 좌측 레버(1)와 우측 레버(9)를 밸브조작수단으로 하여 상기 방향전환밸브(3)와 각기 케이블(31,32)로 연결되어 있다.Normally open 4-port 3-position valve means for controlling the flow of hydraulic oil between the upstream side (intake side) of the hydraulic pump 5 and the downstream side (discharge side) of the hydraulic motor 7. The four-way directional valve 3 is provided, the directional valve 3 is maintained in a neutral position by the springs (2a, 2b) on both sides, the directional valve (3) is a handle handle valve Switching operation is performed by the operation means. In this embodiment, the left lever (1) and the right lever (9) respectively provided on the left and right sides of the bicycle handle (20) as the valve operation means to the direction switching valve (3) and the cables (31, 32), respectively. It is connected.
따라서 좌측 레버(1)를 당김하여 스프링(2a)이 압축되면서 방향전환밸브(3)가 제1위치(Ⅰ)로 선택 절환되고 다시 좌측레버(1)를 놓게되면 스프링(2a)의 탄반력에 의해 방향전환밸브(3)가 중립위치에 놓인다. 이와 반대로, 우측 레버(9)를 당김하면 스프링(2b)이 압축되면서 방향전환밸브(3)가 제2위치(Ⅱ)로 선택 절환되고 다시 우측레버(9)를 놓게되면 스프링(2b)의 복원력에 의해 방향전환밸브(3)가 중립위치에 놓인다.Accordingly, when the spring 2a is compressed by pulling the left lever 1, the direction switching valve 3 is selectively switched to the first position I and when the left lever 1 is released again, the spring force of the spring 2a is reduced. The directional valve 3 is thereby placed in the neutral position. On the contrary, when the right lever 9 is pulled, the spring 2b is compressed and the directional valve 3 is selectively switched to the second position II, and when the right lever 9 is released again, the restoring force of the spring 2b is released. By means of which the directional valve 3 is placed in a neutral position.
상기 방향전환밸브(3)에는 작동유 보조탱크(10)와 고압축압기(11)가 연결되어 있다.A hydraulic oil auxiliary tank 10 and a high pressure compressor 11 are connected to the directional valve 3.
상기 작동유 보조탱크(10)는 방향전환밸브(3)가 제 2위치(Ⅱ)로 절환시 작동유를 고압축압기(11)로 공급하기 위한 것이고, 고압축압기(11)는 방향전환밸브(3)가 제1위치(Ⅰ)로 절환 작동시 축압된 압유동력을 유압펌프(5)로 공급하기 위한 것이다.The hydraulic oil auxiliary tank 10 is for supplying the hydraulic oil to the high pressure compressor 11 when the directional valve 3 is switched to the second position (II), the high pressure compressor 11 is a directional valve (3) It is for supplying the pressurized hydraulic pressure accumulated in the switching operation to the first position (I) to the hydraulic pump (5).
이와 같이 구성된 본 실시예의 작동상태를 설명한다.The operating state of this embodiment configured as described above will be described.
(가) 평지 운행시(A) On flat land
평지에서는 큰 기동력이 필요없기 때문에 방향전환밸브(3)를 중립위치에서 운행시킨다. 즉, 페달(8)을 밟아 페달축(12)을 회전시키면 회전수에 비례하여 유압펌프(5)에서 압유가 토출되고, 토출된 압유는 압유공급라인(6)을 통해 유압모터(7)를 구동시키고 방향전환밸브(3)를 통해 유압펌프(7)로 순환한다. 따라서 유압모터 (71)에 직결된 후방측 바퀴(70)가 회전하여 주행을 하게 된다.Since no large maneuvering force is required on the level, the directional valve 3 is operated in a neutral position. That is, when the pedal shaft 12 is rotated by stepping on the pedal 8, the hydraulic oil is discharged from the hydraulic pump 5 in proportion to the rotational speed, and the discharged hydraulic oil opens the hydraulic motor 7 through the hydraulic oil supply line 6. Drive and circulate to the hydraulic pump (7) through the diverter valve (3). Therefore, the rear wheel 70 directly connected to the hydraulic motor 71 rotates to travel.
이때 자전거의 주행속도는 유압모터(7)의 회전속도와 비례하게 되는데 유압모터(7)의 회전속도는 유압펌프(5)의 토출유량과 정비례하고, 유압펌프(5)의 토출유량은 자전거 페달(8)의 회전속도와 비례하므로, 결국 자전거 페달(8)을 얼마나 빠른 속도로 구동하는가에 따라 주행속도를 증가 또는 감속시키게 된다.At this time, the running speed of the bicycle is proportional to the rotational speed of the hydraulic motor (7), the rotational speed of the hydraulic motor (7) is directly proportional to the discharge flow rate of the hydraulic pump (5), the discharge flow rate of the hydraulic pump (5) is a bicycle pedal Since it is proportional to the rotation speed of (8), the driving speed is increased or decreased depending on how fast the bicycle pedal 8 is driven.
(나) 제동시(B) during braking
한편, 평지 또는 내리막에서 제동을 원할 경우 우측 레버(9)를 당김하면, 우측레버(9)에 케이블(32)로 연결된 방향전환밸브(3)가 제2위치(Ⅱ)로 절환된다. 따라서 유압모터(7)의 하류측이 고압축압기(11)에 연결되고, 동시에 작동유 보조탱크(10)가 유압펌프(5)의 흡입구측에 연결된다.On the other hand, when braking is desired on the flat or downhill, when the right lever 9 is pulled, the direction switching valve 3 connected to the right lever 9 by the cable 32 is switched to the second position II. Therefore, the downstream side of the hydraulic motor 7 is connected to the high pressure compressor 11, and at the same time the hydraulic oil auxiliary tank 10 is connected to the suction port side of the hydraulic pump (5).
따라서 유압모터(7)를 통해 나온 작동유가 고압축압기(11)로 유입되면서 고압축압기(11)내의 압력은 더욱 상승하게 되고 유압모터(7)를 통해 나오는 작동유는 더 이상의 흐름이 없게 되고 동시에 유압모터(7)도 회전할 수 없게 되므로서 자전거가 제동 정지한다.Therefore, as the hydraulic oil from the hydraulic motor (7) flows into the high pressure compressor (11), the pressure in the high pressure compressor (11) is further increased, and the hydraulic oil from the hydraulic motor (7) is no longer flow and at the same time the hydraulic motor The bicycle stops braking as it can no longer rotate (7).
제동을 해제하게 되면 즉, 잡아당겼던 우측레버(9)를 놓게 되면 방향전환밸브(3)가 스프링(2b)력에 의해 중립위치로 복귀하고 유압펌프(5)와 유압모터(7)와의 유로가 연결되고 페달(8)을 회전시키면 정상적인 주행이 가능하게 된다.When the brake is released, that is, when the pulled right lever 9 is released, the direction switching valve 3 returns to the neutral position by the force of the spring 2b and the flow path between the hydraulic pump 5 and the hydraulic motor 7 is released. Is connected and the pedal 8 is rotated to allow normal driving.
이같이 제동을 일단 수행하고 나면 고압축압기(11)에 유압 에너지가 축압되어 있게 된다.In this way, once braking is performed, hydraulic energy is accumulated in the high-pressure compressor 11.
(다) 초기 기동시(C) At initial startup
특히 오르막을 오르고자 할 경우 좌측 레버(1)를 당김하면 방향전환밸브(3)가 우측으로 절환되어 제1위치(Ⅰ)에 놓이고, 유압모터(7)의 출구측과 작동유 보조탱크(10)가 연결되고, 고압축압기(11)와 유압펌프(5)가 연결된다.In particular, if you want to go uphill, pull the left lever (1), the direction switching valve (3) is switched to the right and placed in the first position (I), the outlet side of the hydraulic motor (7) and the hydraulic oil auxiliary tank (10) ) Is connected, the high pressure compressor (11) and the hydraulic pump (5) is connected.
따라서 고압축압기(11)에 축적된 고압 에너지의 압유가 유압펌프(5)로 작용하고, 페달(8)을 회전시키는 구동력에 도움을 주게 되고, 결국 페달(8)을 회전시키면 적은 힘으로 자전거가 기동하게 되고, 이때 유압모터(7)를 빠저나온 유량은 작동유 보조탱크(10)로 유입된다.Therefore, the pressurized oil of the high pressure energy accumulated in the high pressure compressor 11 acts as the hydraulic pump 5 and helps the driving force for rotating the pedal 8. At this time, the flow rate exiting the hydraulic motor (7) is introduced into the hydraulic oil auxiliary tank (10).
이같이 하여 초기 기동을 얻은 후 좌측 레버(1)의 당김을 해제하면, 방향전환밸브(3)가 스프링(2a)력에 의해 중립위치로 복귀하고, 작동유 보조탱크(10)와 고압축압기(11)가 압유리턴라인(4)과 단절된다.In this way, after the initial start is released, the left lever 1 is released, and the direction switching valve 3 returns to the neutral position by the force of the spring 2a, and the hydraulic oil auxiliary tank 10 and the high pressure accumulator 11 are removed. It is disconnected from the pressing glass turn line 4.
이때는 페달(8)의 회전수에 비례하여 유압모터(7)의 회전수가 결정되므로 페달(8)의 회전속도에 따라 자전거의 속도를 증감시킬 수 있다.In this case, since the rotation speed of the hydraulic motor 7 is determined in proportion to the rotation speed of the pedal 8, the speed of the bicycle may be increased or decreased according to the rotation speed of the pedal 8.
상기 실시예에서는 유압모터(7)를 바람직하게는 뒷 바퀴에 설치하였으나 앞 바퀴에 설치할 수도 있다.In the above embodiment, the hydraulic motor 7 is preferably installed on the rear wheel, but may also be installed on the front wheel.
이상에서와 같이 본 발명에 따르면, 자전거 운전자가 경험하게 되는 언덕길의 오르막에서 피로한 운전자로부터 다소 자유로워지며 운전자의 피로감을 덜어 장거리 운전이 가능하게 된다.As described above, according to the present invention, it becomes somewhat free from the tired driver in the uphill of the hill that the cyclist experiences, and the long distance driving is possible by reducing the fatigue of the driver.
또, 자전거에서 내려 끌고 가는 시간보다 자전거에 앉아 운전하는 시간이 많아서 이동시간을 단축시킬 뿐만 아니라 운동의 효율을 증대시키는 효과가 있다.In addition, there is more time spent driving on a bicycle than driving down the bicycle, thereby shortening the movement time and increasing the efficiency of the exercise.
또, 스프로켓과 체인이 제거되므로 운전중 체인의 이탈 및 외부 물건에 의한 체인걸림 현상의 염려를 전혀 할 필요가 없어진다.In addition, since the sprocket and the chain are removed, there is no need to worry about the chain jamming due to the detachment of the chain during operation and external objects.
또, 본 발명은 유로의 방향을 제어하는 밸브를 1개로 사용하여 유압회로가 간단해져 내구성이 우수하고 설치비용이 저렴한 이점을 갖는다.In addition, the present invention has the advantage of excellent durability and low installation cost by simplifying the hydraulic circuit by using one valve for controlling the direction of the flow path.
이상에서 본 발명의 유압식 기동 및 제동가능한 구동체인 없는 자전거에 대한 기술 사상을 첨부도면과 함께 서술하였지만 이는 본 발명의 가장 양호한 실시예를 예시적으로 설명한 것이지 본 발명은 한정하는 것은 아니다.The technical idea of the bicycle without the hydraulic maneuverable and braking drive chain of the present invention has been described above with reference to the accompanying drawings, which illustrate the best embodiment of the present invention by way of example and is not intended to limit the invention.
또한, 이 기술분야의 통상의 지식을 가진 자이면 누구나 본 발명의 기술사상의 범주를 이탈하지 않는 범위내에서 다양한 변형 및 모방이 가능함은 명백한 사실이다.In addition, it is obvious that any person skilled in the art can make various modifications and imitations without departing from the scope of the technical idea of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000053041A KR20020019781A (en) | 2000-09-07 | 2000-09-07 | Chainless Bicycle with Hydraulic Driving, Starting and Braking Function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000053041A KR20020019781A (en) | 2000-09-07 | 2000-09-07 | Chainless Bicycle with Hydraulic Driving, Starting and Braking Function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20020019781A true KR20020019781A (en) | 2002-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020000053041A KR20020019781A (en) | 2000-09-07 | 2000-09-07 | Chainless Bicycle with Hydraulic Driving, Starting and Braking Function |
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| Country | Link |
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| KR (1) | KR20020019781A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923243A (en) * | 2012-11-22 | 2013-02-13 | 陈锡斌 | Hydraulic transmission non-motor vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53111947A (en) * | 1977-03-11 | 1978-09-29 | Shimadzu Corp | Hydraulically power transmitted bicycle |
| US4688815A (en) * | 1984-03-27 | 1987-08-25 | Lectrolarm Custom Systems, Inc. | Hydraulically driven bicycle |
| JPH02220992A (en) * | 1989-02-22 | 1990-09-04 | Handozer Ind Co Ltd | Non-powered vehicle and hydraulic driving device thereof |
| JPH05288201A (en) * | 1992-04-06 | 1993-11-02 | Kayaba Ind Co Ltd | Structure for accumulating pressure |
| JPH08230748A (en) * | 1995-02-28 | 1996-09-10 | Tokico Ltd | Power assisted bicycle |
| KR200172235Y1 (en) * | 1999-10-06 | 2000-03-15 | 한국기계연구원 | Hydraulic braking and driving for bicycle |
| KR100266468B1 (en) * | 1998-02-25 | 2000-10-02 | 이상종 | Oil pressure drive mode bicycle |
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2000
- 2000-09-07 KR KR1020000053041A patent/KR20020019781A/en not_active Application Discontinuation
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53111947A (en) * | 1977-03-11 | 1978-09-29 | Shimadzu Corp | Hydraulically power transmitted bicycle |
| US4688815A (en) * | 1984-03-27 | 1987-08-25 | Lectrolarm Custom Systems, Inc. | Hydraulically driven bicycle |
| JPH02220992A (en) * | 1989-02-22 | 1990-09-04 | Handozer Ind Co Ltd | Non-powered vehicle and hydraulic driving device thereof |
| JPH05288201A (en) * | 1992-04-06 | 1993-11-02 | Kayaba Ind Co Ltd | Structure for accumulating pressure |
| JPH08230748A (en) * | 1995-02-28 | 1996-09-10 | Tokico Ltd | Power assisted bicycle |
| KR100266468B1 (en) * | 1998-02-25 | 2000-10-02 | 이상종 | Oil pressure drive mode bicycle |
| KR200172235Y1 (en) * | 1999-10-06 | 2000-03-15 | 한국기계연구원 | Hydraulic braking and driving for bicycle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923243A (en) * | 2012-11-22 | 2013-02-13 | 陈锡斌 | Hydraulic transmission non-motor vehicle |
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