WO2011139059A2 - Rear-wheel steering bicycle - Google Patents

Rear-wheel steering bicycle Download PDF

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Publication number
WO2011139059A2
WO2011139059A2 PCT/KR2011/003259 KR2011003259W WO2011139059A2 WO 2011139059 A2 WO2011139059 A2 WO 2011139059A2 KR 2011003259 W KR2011003259 W KR 2011003259W WO 2011139059 A2 WO2011139059 A2 WO 2011139059A2
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WO
WIPO (PCT)
Prior art keywords
rear wheel
support
wheel support
bicycle
coupled
Prior art date
Application number
PCT/KR2011/003259
Other languages
French (fr)
Korean (ko)
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WO2011139059A3 (en
Inventor
전정호
신혜영
Original Assignee
Jeon Jeong Ho
Shin Hye Young
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 Jeon Jeong Ho, Shin Hye Young filed Critical Jeon Jeong Ho
Publication of WO2011139059A2 publication Critical patent/WO2011139059A2/en
Publication of WO2011139059A3 publication Critical patent/WO2011139059A3/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 SIDE-CARS, FORECARS, OR THE LIKE
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
    • B62H7/00—Devices for learning to ride cycles, not otherwise provided for, e.g. assisting balance

Definitions

  • the present invention relates to a rear-wheel steering bicycle that controls the driving direction of the bicycle by rotating the rear wheel, and more specifically, to control the direction of the rear wheel and to steer the position spaced apart from the rotational axis of the rolling movement.
  • the rear wheel directional caster which is provided to be rotatable from side to side in relation to the rear wheel steering bicycle is driven to obtain a driving force by the operation of shaking the rear wheel directional caster to the left and right.
  • the driving fun is obtained by simply driving the lung moon provided for driving the front wheel or the rear wheel of the bicycle to drive the driving force and the driving fun is halved.
  • the driving fun is obtained by simply driving the lung moon provided for driving the front wheel or the rear wheel of the bicycle to drive the driving force and the driving fun is halved.
  • the rear wheel steering bicycle according to the present invention has been devised to solve the above problems, and aims to prevent safety accidents by ensuring a stable running even at the beginning of use even for beginners and young children.
  • the present invention can be used as a simple means of transportation or transport by causing fun and interest to the user by breaking away from the conventional front wheel steering and pedal moon driving type, as well as recreation means, as well as lower body movement as well as upper body
  • the purpose is to enable the exercise to maximize the exercise effect.
  • the front wheel 110 is rotatably coupled to one end of the side, the saddle 120 is coupled to the other end, the front wheel 110 to the front wheel 110.
  • Front wheel support 100 is provided with a pedal unit 130 for driving the rotation; And at one end of the rotary coupling portion 210 is rotatably coupled to the front wheel support (100);
  • a handle part 220 mounted on a rear side of the rotary coupling part 210 and provided with a left and right handle;
  • the rear wheel support is composed of a rear wheel directional caster unit 230 provided with a pair of left and right rotatable left and right according to the rotation of the handle unit 220 while the roller 231 is provided with a rotatable movement. It provides a rear wheel steering bicycle (1) characterized in that consisting of.
  • the rear wheel directional caster 230 may be provided in a pair of left and right.
  • an angle limiting portion 232 for limiting the angle so that the rear wheel directional caster 230 rotates left and right only within a predetermined angle may be further included.
  • the rear wheel support 200 may be provided with a tilting unit 240 to be rotatable in the longitudinal direction of the rear wheel support 200 in the rear of the rotary coupling portion 210.
  • a shock absorbing unit 250 for absorbing the shock transmitted from the ground may be further included.
  • the rear wheel support 200, the other end of the rear wheel support 200 which is provided with the rear wheel directional caster portion at the other end may be provided foldable.
  • the rear wheel support 200, the rear handle portion 270 may be provided detachably.
  • the front wheel support 100 one side is pivotally coupled to the front wheel support 100, the other side is the rotation coupling portion front support rotatably coupled to the rotation coupling portion of the rear wheel support 200 (140); is provided, one side is the rotary coupling portion rear support 150 which is fixed to the front wheel support 100 at a position spaced apart rearward from the rotary coupling portion 140 by a predetermined interval; , The one side is pivotally coupled to the rotary coupling front support 140, the other side is the angle adjusting unit 160 is coupled to the other side of the rotary coupling rear support 150 to adjust the coupling position; It may be provided.
  • the rotation coupling portion of the rear wheel support 200, the first steering gear 212 is formed on the outer peripheral surface of the upper, the front rotation coupling portion 211 rotatably coupled to the front wheel support (100); And a second steering gear 214 coupled to the first steering gear 212 by an outer circumferential surface of the upper portion, and rotatable to the front wheel support 100 at the rear of the front rotation coupling part 211. And a rear rotation coupling part 213 coupled to each other.
  • the handle part 220 may be coupled to an upper surface of the first steering gear 212.
  • Rear-wheel steering bicycle according to the present invention there is an advantage that can be prevented safety accidents by ensuring a stable running even in the early stages of use for everyone, including beginners and children using the first bike.
  • the present invention is to escape from the conventional front wheel steering and closed-wheel drive type to enable the steering by the rear wheel, and to drive the bicycle by driving the bicycle by driving the steering wheel by shaking the handle, causing fun and interest to the user It can be used as a simple means of transportation or transport, as well as has the advantage that can be utilized as a recreation means.
  • the present invention has the effect that not only the lower body movement according to the lung moon drive, but also the upper body movement at the same time by the movement of the hand to the left and right to obtain the driving force to maximize the exercise effect.
  • FIG. 1 is a perspective view showing a rear wheel steered bicycle 1 according to the present invention.
  • FIG. 2 is a perspective view showing a rear wheel directional caster in the rear wheel steering bicycle 1 according to the present invention
  • FIG. 3 is a perspective view showing a tilting unit 240 in the rear wheel steering bicycle 1 according to the present invention.
  • FIG. 4 is a perspective view showing a folding part 260 in the rear wheel steering bicycle 1 according to the present invention.
  • FIG. 5 is a perspective view showing a rear handle 270 in the rear wheel steering bicycle 1 according to the present invention.
  • FIG. 6 is a perspective view showing a closed moon in the rear-wheel steering bicycle 1 according to the present invention.
  • FIG. 7 is a perspective view showing a steering gear in the rear wheel steering bicycle 1 according to the present invention.
  • FIG. 8 is a plan view showing a driving direction in the rear wheel steering bicycle 1 according to the present invention.
  • the front wheel 110 is rotatably coupled to one end of the side, the saddle 120 is coupled to the other end, the front wheel 110 to the front wheel 110
  • Front wheel support 100 is provided with a pedal unit 130 for driving the rotation;
  • the rotary coupling portion 210 is rotatably coupled to the front wheel support (100);
  • a handle part 220 mounted on a rear side of the rotary coupling part 210 and provided with a left and right handle;
  • the rear wheel support is composed of a rear wheel directional caster unit 230 provided with a pair of left and right rotatable left and right according to the rotation of the handle unit 220 while the roller 231 is provided with a rotatable movement. It provides a rear wheel steering bicycle (1) characterized in that consisting of.
  • FIG. 1 is a perspective view showing a rear wheel steering bicycle 1 according to the present invention
  • Figure 2 is a perspective view showing a rear wheel anti-corrosive caster in the rear wheel steering bicycle 1 according to the present invention
  • Figure 3 is the present invention
  • Figure 4 is a perspective view showing a folding portion 260 in the rear wheel steering bicycle 1 according to the present invention.
  • FIG. 5 is a perspective view showing the rear handle portion 270 in the rear wheel steerable bicycle 1 according to the present invention
  • FIG. 6 shows a closed moon in the rear wheel steered bicycle 1 according to the present invention
  • 7 is a perspective view showing a steering gear in the rear wheel steering bicycle 1 according to the present invention
  • FIG. 8 is a plan view showing a driving direction in the rear wheel steering bicycle 1 according to the present invention.
  • the rear wheel steering bicycle 1 as shown in Figure 1, largely, the front wheel 110 is coupled to the one end of the front so that the rolling motion and the other end of the rear saddle 120 is coupled
  • the front wheel support 100 and the one end is provided with a rotating coupling portion rotatably coupled to the front wheel support 100
  • the handle portion 220 is provided with a handle is formed
  • the other end is rolling in the direction of travel
  • It consists of a rear wheel support 200 is provided with a rear wheel directional caster unit 230 so as to rotate left and right while moving.
  • the rear wheel directional caster 230 as shown in Figure 2, the roller is coupled to the rotary shaft to enable the rolling movement, and the rear wheel support 200 left and right on the rotary shaft at a position spaced apart by a predetermined interval forward from the rotary shaft It is coupled to the other end of the rear wheel support 200 to be rotatable.
  • the rotational axis of the rolling motion and the left and right rotational shafts are provided to be spaced apart by a predetermined interval, so that the driving force is generated as the roller 231 rotates to the left and right so that the rear wheel steering bicycle 1 according to the present invention can proceed forward. .
  • FIG. 1 Preferably, as shown in FIG.
  • an angle limiting part 232 is provided to steer the rear wheel directional caster part 230 provided with the roller 231 so as to rotate left and right within a predetermined angle.
  • Beginners and young children riding a bicycle for the first time by having a rear wheel directional caster unit 230 in a pair of left and right to have a triangular support structure with respect to the ground together with the front wheels 110. You can also drive safely and enjoy.
  • the front rear wheel support 200 is inserted into the rear rear wheel support 200 and the front rear wheel support 200
  • a tilting part 240 formed by connecting one end and one end of the rear wheel support 200 at the rear with a coil spring is provided so as to be rotatable with the longitudinal direction of the rear wheel support 200 as a rotation axis, thereby providing quick steering or grounding.
  • the rear wheel directional caster unit 230 passes through the projecting portion, the rear rear wheel support 200 which is supported on the ground through the pair of rear wheel directional caster units 230 rotates with respect to the front rear wheel support 200. And, the position is immediately restored by the restoring force of the coil spring to prevent the center of gravity of the occupant is moved during driving, and to ensure stable running.
  • the upper portion of the rear wheel directional caster 230 is provided with a shock absorbing unit 250 to absorb the shock transmitted from the ground so that the occupant rides the bicycle in a comfortable driving state
  • the other side of the rear wheel support 200 is provided with a folding portion 260 to be foldably coupled of the rear wheel support 200 By configuring the other side to be folded, the volume can be reduced to facilitate movement or storage.
  • the rear wheel steering bicycle 1 includes a rear wheel directional caster unit 230 provided at the other end of the rear wheel support 200 to shake the handle unit 220.
  • the bicycle proceeds forward, and with this, with the closing part 130 capable of rotating and driving the front wheel 110, the front wheel 110 is turned on the front wheel 110 by turning the closing moon with the pressure of the occupant on the front wheel 110.
  • the closing part 130 capable of rotating and driving the front wheel 110
  • the front wheel 110 is turned on the front wheel 110 by turning the closing moon with the pressure of the occupant on the front wheel 110.
  • the rotary coupling portion 210 of the rear wheel support 200 is rotatably coupled to the front wheel support 100 at one end of the rear wheel support 200
  • the rear wheel support 200 has a predetermined height difference between the rear wheel directional caster unit 230 provided at the other end of the rear wheel support 200, and the rear wheel support 200 is rotated as shown in FIG. 1.
  • the rear wheel directional caster unit 230 is formed to be inclined at a predetermined angle inclined, and the rear wheel support 200 is formed to be inclined at a predetermined angle as described above.
  • the bicycle Since one side of the pair of rear wheel directional caster unit 230 is lifted into the air from the ground in proportion to the inclination angle of the rear wheel support 200 leading to the unit 230, the bicycle may lose its center and fall.
  • the angle adjusting unit 160 may be provided.
  • Rotating coupling unit front support 140 is coupled to one side of the angle adjustment unit 160 is pivotally coupled, one side is spaced apart from the rear of the predetermined distance from the rotation coupling unit front support 140
  • the rear wheel support is rotatably coupled to the front wheel support 100 is provided so that the other side of the angle adjuster 160 is coupled to enable the adjustment of the coupling position.
  • the other side of the rotary coupling rear support 150 is formed with an elliptical movable coupling hole 151 and the other side of the angle adjusting unit 160 penetrates the movable coupling hole 151.
  • the upper and lower surfaces of the movable coupling hole 151 are provided with a nut coupled to a screw formed on an outer surface of the angle adjusting unit 160 to be penetrated to be formed so as to fix its position. It is configured to adjust the engagement position with the unit 160. That is, as the angle adjusting unit 160 is vertically erected through the movable coupling hole 151, the rotation coupling unit front support 140 is closer to horizontal centering on the rotation coupling position of the front wheel support 100.
  • the inclination angle of the rear wheel support 200 from the rotary coupling portion 210 to the rear wheel directional caster 230 is moderate, so that the left and right pair of rear wheel directional casters One side of the 230 may be prevented from being lifted from the ground.
  • a first steering gear 212 is formed on the outer circumferential surface of the rotary coupling part 210 provided at one end of the rear wheel support 200, and the lower wheel is the front wheel support 100.
  • the front rotation coupling portion 211 rotatably coupled to the second, and the outer circumferential surface of the upper portion is coupled to the second steering gear 214 engaged with the first steering gear 212, and the lower portion is the front rotation coupling
  • a rear rotation coupling part 213 rotatably coupled to the front wheel support 100 at the rear of the part 211, so that the handle part 220 is provided on the upper surface of the first steering gear 212. It is composed.
  • the first steering gear 212 integrally formed with the handle part 220 by the steering of the handle part 220 rotates in the same direction as the rotation direction of the handle part 220
  • the second steering gear 214 meshed with the first steering gear 212 rotates in a direction opposite to the rotation of the handle part 220 so that the rear wheel directional caster part is formed at the other end of the rear wheel support 200.
  • 230 is rotated in the opposite direction to the handle portion 220, it is possible to adjust the advancing direction of the bicycle in the same direction as the rotation direction of the handle portion 220.
  • the length of the front wheel support 100 to adjust the length of the front wheel support 100 to the rear of the engaging portion that is rotatably coupled to the front wheel 110 to the bicycle rider It is possible to adjust the length of the front wheel support (100) according to the height.
  • the present invention relates to a rear-wheel steering bicycle that controls the driving direction of the bicycle by rotating the rear wheel, and controls the direction of the rear wheel, and can be rotated left and right at a position spaced a predetermined distance away from the rotational axis of the rolling movement.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)

Abstract

The present invention relates to a rear-wheel steering bicycle in which a rear wheel rotates to control the advancing direction of the bicycle. More particularly, the present invention relates to a rear-wheel steering bicycle in which rear wheel casters (230) are arranged to control the direction of the rear wheel so as to steer the bicycle, and spaced apart from a rolling rotary shaft such that the rear wheel casters are rotatable in the left and right directions. The rear-wheel steering bicycle of the present invention is driven by the propulsion obtained by rotating the rear wheel casters (230) in the left and right directions. The rear-wheel steering bicycle (1) of the present invention comprises: a front wheel support (100), to one end of which a front wheel (110) is rotatably coupled and the to the other end of which a saddle (120) is coupled, wherein a pedal (130) is connected to the front wheel (110) so as to rotate the front wheel (110); and a rear wheel support (200) having a rotatable joint portion (210) formed at one end thereof and rotatably coupled to the front wheel support (100), left and right handles (220) mounted on the rear side surfaces of the rotatable joint portion (210), and a pair of left and right rear wheel casters (230) arranged at the other end thereof, wherein each of the rear wheel casters (230) has a roller (231), and the rear wheel casters (230) are rotatable in the left and right directions by means of the rotation of the handles (220).

Description

후륜 조향식 자전거Rear wheel steering bike
본 발명은 후륜을 회전시켜 자전거의 진행방향을 제어하는 후륜 조향식 자전거에 관한 것으로서, 좀 더 상세하게는, 후륜의 방향을 제어하여 조향함과 더불어, 구름운동하는 회전축과는 소정거리 이격되는 위치에서 좌우로 회전운동가능하게 구비되는 후륜 방향성 캐스터부를 두어 상기 후륜 방향성 캐스터부를 좌우로 흔드는 동작에 의한 추진력을 얻어 구동되는 후륜 조향식 자전거에 관한 것이다.The present invention relates to a rear-wheel steering bicycle that controls the driving direction of the bicycle by rotating the rear wheel, and more specifically, to control the direction of the rear wheel and to steer the position spaced apart from the rotational axis of the rolling movement. In the rear wheel directional caster which is provided to be rotatable from side to side in relation to the rear wheel steering bicycle is driven to obtain a driving force by the operation of shaking the rear wheel directional caster to the left and right.
오랫동안 자전거는 연료의 사용없이 오직 조작하는 사람의 다리 힘에 의존하여 가장 빨리 이동할 수 있는 친환경적이고 경제적인 이동 수단으로 사랑받고 있으며 지금도 전 세계 수억 대의 자전거가 도로를 질주하고 있다.For a long time, bicycles have been loved as the fastest and most environmentally friendly and economical means of transportation that rely on the manipulator's leg strength without the use of fuel, and hundreds of millions of bicycles around the world are still on the road.
일반적으로 사용자의 인력을 이용하여 전륜이나 후륜을 구동시킴으로써 화물을 운반하거나 이동수단으로서의 기능을 수행하는 자전거는 인력을 이용한 대표적인 교통수단의 하나로서 널리 사용되어 왔으며, 특히 최근에는 운동기구로서의건강증진효과와 함께 레크레이션 수단으로서의 다양한 응용이 가능한 한편, 환경친화적인 특성에 의해 수요가 점차 확산되고 있는 실정이다.In general, bicycles that carry cargo or perform functions as a means of transportation by driving the front wheels or the rear wheels by using the user's manpower have been widely used as one of the representative means of transportation using manpower. In addition, various applications as recreational means are possible, while the demand is gradually spreading due to environmentally friendly characteristics.
그러나, 종래 자전거의 경우, 자전거의 전륜이나 후륜 구동을 위해 구비되는 폐달을 단순히 돌리는 동작을 통해 추진력을 얻어 주행하여 주행의 재미가 반감되어 이동수단이나 운송수단 이외에 레크레이션 수단으로 활용하기 위한 재미와 흥미 유발에 한계가 있고,However, in the case of a conventional bicycle, the driving fun is obtained by simply driving the lung moon provided for driving the front wheel or the rear wheel of the bicycle to drive the driving force and the driving fun is halved. There is a limit to induction,
처음 자전거를 타는 초보자가 바로 적응하여 타기까지에 많은 시간과 노력이 필요하며, 바로 주행하기에는 안전상에 문제점이 있다.Beginners who ride a bicycle for the first time need a lot of time and effort to adapt and ride, and there is a problem in safety for driving immediately.
본 발명에 따른 후륜 조향식 자전거는 상기한 문제점을 해결하기 위해 안출된 것으로서, 초보자나 어린아이들도 사용 초기에 안정된 주행을 보장하여 안전사고를 미연에 방지함을 목적으로 한다,The rear wheel steering bicycle according to the present invention has been devised to solve the above problems, and aims to prevent safety accidents by ensuring a stable running even at the beginning of use even for beginners and young children.
또한, 본 발명은 기존의 전륜 조향과 폐달 구동식에서 탈피하여 사용자에게 재미와 흥미를 유발시켜 단순 이동수단이나 운송수단으로 활용할 수 있음은 물론, 레크레이션 수단으로 활용할 수 있도록 하며, 하체 운동뿐만 아니라 상체 또한 운동할 수 있게 하여 운동효과를 극대화할 수 있도록 하는데 그 목적이 있다.In addition, the present invention can be used as a simple means of transportation or transport by causing fun and interest to the user by breaking away from the conventional front wheel steering and pedal moon driving type, as well as recreation means, as well as lower body movement as well as upper body The purpose is to enable the exercise to maximize the exercise effect.
상기와 같은 기술적 과제를 해결하기 위하여 본 발명은, 일측의 끝단에는 전륜(110)이 회전가능하게 결합되고, 타측의 끝단에는 안장(120)이 결합되며, 상기 전륜(110)에는 전륜(110)을 회전 구동하는 페달부(130)가 구비되는 전륜 지지대(100); 및 일측의 끝단에는 상기 전륜 지지대(100)에 회전가능하게 결합되는 회전결합부(210)와; 상기 회전결합부(210)의 후방 측면에 장착되고, 좌·우 손잡이가 마련되는 핸들부(220)와; 타측의 끝단에는 롤러(231)가 구름운동가능하게 구비됨과 동시에 상기 핸들부(220)의 회전에 따라 좌우로 회전가능하게 좌·우 한 쌍으로 구비되는 후륜 방향성 캐스터부(230)로 이루어지는 후륜 지지대(200);로 구성되는 것을 특징으로 하는 후륜 조향식 자전거(1)를 제공한다.In order to solve the above technical problem, the present invention, the front wheel 110 is rotatably coupled to one end of the side, the saddle 120 is coupled to the other end, the front wheel 110 to the front wheel 110. Front wheel support 100 is provided with a pedal unit 130 for driving the rotation; And at one end of the rotary coupling portion 210 is rotatably coupled to the front wheel support (100); A handle part 220 mounted on a rear side of the rotary coupling part 210 and provided with a left and right handle; At the other end, the rear wheel support is composed of a rear wheel directional caster unit 230 provided with a pair of left and right rotatable left and right according to the rotation of the handle unit 220 while the roller 231 is provided with a rotatable movement. It provides a rear wheel steering bicycle (1) characterized in that consisting of.
본 발명에서, 후륜 방향성 캐스터부(230)는, 좌·우 한 쌍으로 구비될 수 있다. 또한, 후륜 방향성 캐스터부(230)에는, 후륜 방향성 캐스터부(230)가 소정각도 내에서만 좌·우로 회전하도록 각도를 제한하는 각도 제한부(232);가 더 포함되어 구성될 수 있다. In the present invention, the rear wheel directional caster 230 may be provided in a pair of left and right. In addition, the rear wheel directional caster 230, an angle limiting portion 232 for limiting the angle so that the rear wheel directional caster 230 rotates left and right only within a predetermined angle; may be further included.
또한 본 발명에서, 후륜 지지대(200)는, 상기 회전결합부(210)의 후방에서 상기 후륜 지지대(200)의 길이방향을 회전축으로 하여 회전가능하게 틸팅부(240)가 구비될 수 있다. 또한 후륜 지지대(200)는, 지면으로부터 전달되는 충격을 흡수하는 충격완화부(250);가 더 포함되어 구비될 수 있다. 또한, 후륜 지지대(200)는, 타측 끝단에 상기 후륜 방향성 캐스터부가 구비되는 상기 후륜 지지대(200)의 타측이 접철가능하게 구비될 수 있다. 또한, 후륜 지지대(200)는, 후방 손잡이부(270)가 착탈가능하게 구비될 수 있다.In addition, in the present invention, the rear wheel support 200 may be provided with a tilting unit 240 to be rotatable in the longitudinal direction of the rear wheel support 200 in the rear of the rotary coupling portion 210. In addition, the rear wheel support 200, a shock absorbing unit 250 for absorbing the shock transmitted from the ground; may be further included. In addition, the rear wheel support 200, the other end of the rear wheel support 200 which is provided with the rear wheel directional caster portion at the other end may be provided foldable. In addition, the rear wheel support 200, the rear handle portion 270 may be provided detachably.
또한 본 발명에서, 전륜 지지대(100)는, 일측은 상기 전륜 지지대(100)에 회전가능하게 피봇결합되고, 타측에는 상기 후륜 지지대(200)의 회전 결합부가 회전가능하게 결합되는 회전결합부 전방지지대(140);가 구비되고, 일측이 상기 회전결합부 전방지지대(140)에서 소정간격 후방으로 이격된 위치에 상기 전륜 지지대(100)에 고정결합되는 회전결합부 후방지지대(150);가 구비되며, 일측은 상기 회전결합부 전방지지대(140)에 회전가능하게 피봇결합되고, 타측은 상기 회전결합부 후방지지대(150)의 타측에 결합위치의 조절이 가능하게 결합되는 각도 조절부(160);가 구비될 수 있다.In addition, in the present invention, the front wheel support 100, one side is pivotally coupled to the front wheel support 100, the other side is the rotation coupling portion front support rotatably coupled to the rotation coupling portion of the rear wheel support 200 (140); is provided, one side is the rotary coupling portion rear support 150 which is fixed to the front wheel support 100 at a position spaced apart rearward from the rotary coupling portion 140 by a predetermined interval; , The one side is pivotally coupled to the rotary coupling front support 140, the other side is the angle adjusting unit 160 is coupled to the other side of the rotary coupling rear support 150 to adjust the coupling position; It may be provided.
또한 본 발명에서, 후륜 지지대(200)의 회전 결합부는, 상부의 외주면으로 제 1조향 기어(212)가 형성되고, 상기 전륜 지지대(100)에 회전가능하게 결합되는 전방회전 결합부(211); 및 상부의 외주면으로는 상기 제 1조향 기어(212)에 맞물려 결합되는 제 2조향 기어(214)가 결합형성되고, 상기 전방회전 결합부(211)의 후방에서 상기 전륜 지지대(100)에 회전가능하게 결합되는 후방회전 결합부(213);로 구성되고, 상기 핸들부(220)는 상기 제 1조향 기어(212)의 상부면에 결합형성될 수 있다.In addition, in the present invention, the rotation coupling portion of the rear wheel support 200, the first steering gear 212 is formed on the outer peripheral surface of the upper, the front rotation coupling portion 211 rotatably coupled to the front wheel support (100); And a second steering gear 214 coupled to the first steering gear 212 by an outer circumferential surface of the upper portion, and rotatable to the front wheel support 100 at the rear of the front rotation coupling part 211. And a rear rotation coupling part 213 coupled to each other. The handle part 220 may be coupled to an upper surface of the first steering gear 212.
본 발명에 따른 후륜 조향식 자전거는, 처음 자전거를 사용하는 초보자나 어린이들을 비롯하여 남녀노소 누구나 손쉽게 사용 초기에도 안정된 주행을 보장하여 안전사고를 방지할 수 있다는 장점이 있다.Rear-wheel steering bicycle according to the present invention, there is an advantage that can be prevented safety accidents by ensuring a stable running even in the early stages of use for everyone, including beginners and children using the first bike.
또한, 본 발명은 기존의 전륜 조향과 폐달 구동식에서 탈피하여 후륜에 의해 조향이 가능하도록 함과 더불어, 핸들을 흔드는 동작으로 후륜에서 추진력을 얻어 자전거를 주행하게 함으로써, 사용자에게 재미와 흥미를 유발시켜 단순 이동수단이나 운송수단으로 활용할 수 있음은 물론, 레크레이션 수단으로 활용할 수 있다는 장점을 가진다.In addition, the present invention is to escape from the conventional front wheel steering and closed-wheel drive type to enable the steering by the rear wheel, and to drive the bicycle by driving the bicycle by driving the steering wheel by shaking the handle, causing fun and interest to the user It can be used as a simple means of transportation or transport, as well as has the advantage that can be utilized as a recreation means.
또한, 본 발명은 폐달 구동에 따른 하체운동뿐만 아니라, 추진력을 얻기 위해 핸드을 좌우로 흔드는 동작으로 상체 운동 또한 동시에 할 수 있게 되어 운동효과를 극대화시킬 수 있다는 효과를 가진다.In addition, the present invention has the effect that not only the lower body movement according to the lung moon drive, but also the upper body movement at the same time by the movement of the hand to the left and right to obtain the driving force to maximize the exercise effect.
도 1은 본 발명에 따른 후륜 조향식 자전거(1)를 나타내는 사시도;1 is a perspective view showing a rear wheel steered bicycle 1 according to the present invention;
도 2는 본 발명에 따른 후륜 조향식 자전거(1)에 있어서, 후륜 방향성 캐스터부를 나타내는 사시도;2 is a perspective view showing a rear wheel directional caster in the rear wheel steering bicycle 1 according to the present invention;
도 3은 본 발명에 따른 후륜 조향식 자전거(1)에 있어서, 틸팅부(240)를 나타내는 사시도;3 is a perspective view showing a tilting unit 240 in the rear wheel steering bicycle 1 according to the present invention;
도 4는 본 발명에 따른 후륜 조향식 자전거(1)에 있어서, 접철부(260)를 나타내는 사시도;4 is a perspective view showing a folding part 260 in the rear wheel steering bicycle 1 according to the present invention;
도 5는 본 발명에 따른 후륜 조향식 자전거(1)에 있어서, 후방 손잡이부(270)를 나타내는 사시도;5 is a perspective view showing a rear handle 270 in the rear wheel steering bicycle 1 according to the present invention;
도 6은 본 발명에 따른 후륜 조향식 자전거(1)에 있어서, 폐달을 나타내는 사시도;6 is a perspective view showing a closed moon in the rear-wheel steering bicycle 1 according to the present invention;
도 7은 본 발명에 따른 후륜 조향식 자전거(1)에 있어서, 조향 기어를 나타내는 사시도; 및7 is a perspective view showing a steering gear in the rear wheel steering bicycle 1 according to the present invention; And
도 8은 본 발명에 따른 후륜 조향식 자전거(1)에 있어서, 주행 방향을 나타내는 평면도;이다.8 is a plan view showing a driving direction in the rear wheel steering bicycle 1 according to the present invention;
발명의 실시를 위한 최선의 형태로, 본 발명은 일측의 끝단에는 전륜(110)이 회전가능하게 결합되고, 타측의 끝단에는 안장(120)이 결합되며, 상기 전륜(110)에는 전륜(110)을 회전 구동하는 페달부(130)가 구비되는 전륜 지지대(100); 및 일측의 끝단에는 상기 전륜 지지대(100)에 회전가능하게 결합되는 회전결합부(210)와; 상기 회전결합부(210)의 후방 측면에 장착되고, 좌·우 손잡이가 마련되는 핸들부(220)와; 타측의 끝단에는 롤러(231)가 구름운동가능하게 구비됨과 동시에 상기 핸들부(220)의 회전에 따라 좌우로 회전가능하게 좌·우 한 쌍으로 구비되는 후륜 방향성 캐스터부(230)로 이루어지는 후륜 지지대(200);로 구성되는 것을 특징으로 하는 후륜 조향식 자전거(1)를 제공한다.In the best form for the practice of the invention, the front wheel 110 is rotatably coupled to one end of the side, the saddle 120 is coupled to the other end, the front wheel 110 to the front wheel 110 Front wheel support 100 is provided with a pedal unit 130 for driving the rotation; And at one end of the rotary coupling portion 210 is rotatably coupled to the front wheel support (100); A handle part 220 mounted on a rear side of the rotary coupling part 210 and provided with a left and right handle; At the other end, the rear wheel support is composed of a rear wheel directional caster unit 230 provided with a pair of left and right rotatable left and right according to the rotation of the handle unit 220 while the roller 231 is provided with a rotatable movement. It provides a rear wheel steering bicycle (1) characterized in that consisting of.
이하 상기 목적이 구체적으로 실현될 수 있는 본 발명의 실시예들을 첨부된 도면을 참조하여 설명한다. 본 실시예들을 설명함에 있어서, 동일 구성에 대해서는 동일 명칭 및 부호가 사용되며, 이에 따른 부가적인 설명은 하기에서 생략된다.DETAILED DESCRIPTION Hereinafter, embodiments of the present invention in which the above object can be specifically realized are described with reference to the accompanying drawings. In describing the embodiments, the same names and symbols are used for the same components, and additional description thereof will be omitted below.
도 1은 본 발명에 따른 후륜 조향식 자전거(1)를 나타내는 사시도이고, 도 2는 본 발명에 따른 후륜 조향식 자전거(1)에 있어서, 후륜 방항성 캐스터부를 나타내는 사시도이며, 도 3은 본 발명에 따른 후륜 조향식 자전거(1)에 있어서, 틸팅부(240)를 나타내는 사시도이고, 도 4는 본 발명에 따른 후륜 조향식 자전거(1)에 있어서, 접철부(260)를 나타내는 사시도이다.1 is a perspective view showing a rear wheel steering bicycle 1 according to the present invention, Figure 2 is a perspective view showing a rear wheel anti-corrosive caster in the rear wheel steering bicycle 1 according to the present invention, Figure 3 is the present invention In the rear wheel steering bicycle 1 according to the present invention, a perspective view showing the tilting unit 240, Figure 4 is a perspective view showing a folding portion 260 in the rear wheel steering bicycle 1 according to the present invention.
또한, 도 5는 본 발명에 따른 후륜 조향식 자전거(1)에 있어서, 후방 손잡이부(270)를 나타내는 사시도이고, 도 6은 본 발명에 따른 후륜 조향식 자전거(1)에 있어서, 폐달을 나타내는 사시도이며, 도 7은 본 발명에 따른 후륜 조향식 자전거(1)에 있어서, 조향 기어를 나타내는 사시도이고, 도 8은 본 발명에 따른 후륜 조향식 자전거(1)에 있어서, 주행 방향을 나타내는 평면도이다.5 is a perspective view showing the rear handle portion 270 in the rear wheel steerable bicycle 1 according to the present invention, and FIG. 6 shows a closed moon in the rear wheel steered bicycle 1 according to the present invention. 7 is a perspective view showing a steering gear in the rear wheel steering bicycle 1 according to the present invention, and FIG. 8 is a plan view showing a driving direction in the rear wheel steering bicycle 1 according to the present invention. .
본 발명에 따른 후륜 조향식 자전거(1)는, 도 1에 도시된 바와 같이, 크게, 전방의 일측 끝단에는 전륜(110)이 구름운동 가능하게 결합되고 후방의 타측 끝단에는 안장(120)이 결합되는 전륜 지지대(100)와, 일측 끝단에는 상기 전륜 지지대(100)에 회전가능하게 결합되는 회전 결합부가 구비되고, 손잡이가 마련되는 핸들부(220)가 결합형성되며, 타측 끝단에는 진행방향으로 구름운동 함과 동시에 좌우로 회전가능하게 후륜 방향성 캐스터부(230)가 구비되는 후륜 지지대(200)로, 이루어진다.The rear wheel steering bicycle 1 according to the present invention, as shown in Figure 1, largely, the front wheel 110 is coupled to the one end of the front so that the rolling motion and the other end of the rear saddle 120 is coupled The front wheel support 100 and the one end is provided with a rotating coupling portion rotatably coupled to the front wheel support 100, the handle portion 220 is provided with a handle is formed, the other end is rolling in the direction of travel It consists of a rear wheel support 200 is provided with a rear wheel directional caster unit 230 so as to rotate left and right while moving.
상기 후륜 방향성 캐스터부(230)는, 도 2에 도시된 바와 같이, 롤러가 구름운동 가능하게 회전축에 결합되고, 상기 회전축에서 소정간격 전방으로 이격되는 위치에서 상기 후륜 지지대(200)를 회전축으로 좌우로 회전가능하게 상기 후륜 지지대(200)의 타측 끝단에 결합 된다. 이와 같이, 구름운동의 회전축과 좌우회전축이 소정간격 이격되게 구비됨으로써, 롤러(231)가 좌우로 회전함에 따라 구동력이 발생되어 본 발명에 따른 후륜 조향식 자전거(1)가 전방으로 진행할 수 있게 된다. 바람직하게는, 도 2에 도시된 바와 같이, 롤러(231)가 구비되는 상기 후륜 방향성 캐스터부(230)를 소정 각도 내에서 좌·우 회전가능하게 제한하는 각도 제한부(232)가 구비되어 조향을 용이하게 할 수 있도록 하고, 좌·우 한 쌍으로 후륜 방향성 캐스터부(230)를 구비하여 전륜(110) 바퀴와 함께 지면에 대해 삼각형태의 지지구조를 갖도록 하여 자전거를 처음 타는 초보자나 어린아이들도 안전하게 주행하며 즐길 수 있도록 한다.The rear wheel directional caster 230, as shown in Figure 2, the roller is coupled to the rotary shaft to enable the rolling movement, and the rear wheel support 200 left and right on the rotary shaft at a position spaced apart by a predetermined interval forward from the rotary shaft It is coupled to the other end of the rear wheel support 200 to be rotatable. As such, the rotational axis of the rolling motion and the left and right rotational shafts are provided to be spaced apart by a predetermined interval, so that the driving force is generated as the roller 231 rotates to the left and right so that the rear wheel steering bicycle 1 according to the present invention can proceed forward. . Preferably, as shown in FIG. 2, an angle limiting part 232 is provided to steer the rear wheel directional caster part 230 provided with the roller 231 so as to rotate left and right within a predetermined angle. Beginners and young children riding a bicycle for the first time by having a rear wheel directional caster unit 230 in a pair of left and right to have a triangular support structure with respect to the ground together with the front wheels 110. You can also drive safely and enjoy.
상기 후륜 지지대(200)의 회전결합부(210) 후방에는, 도 3에 도시된 바와 같이, 전방의 후륜 지지대(200)가 후방의 후륜 지지대(200)에 삽입되게 하고 전방 후륜 지지대(200)의 일단과 후방의 후륜 지지대(200)의 일단을 코일 스프링으로 연결하여 구성되는 틸팅부(240)를 두어 상기 후륜 지지대(200)의 길이방향을 회전축으로 하여 회전가능하게 구비함으로써, 빠른 조향 이나 지면의 돌출부위를 상기 후륜 방향성 캐스터부(230)가 지나가는 경우에, 상기 한 쌍의 후륜 방향성 캐스터부(230)틀 통해 지면에 지지 되고 있는 후방 후륜 지지대(200)가 전방 후륜 지지대(200)에 대하여 회전하고, 즉시 상기 코일 스프링의 복원력에 의해 위치복원 되어 주행 중 탑승자의 무게중심이 이동되는 것을 방지하고, 안정적으로 주행할 수 있도록 한다.Behind the rotary coupling portion 210 of the rear wheel support 200, as shown in Figure 3, the front rear wheel support 200 is inserted into the rear rear wheel support 200 and the front rear wheel support 200 A tilting part 240 formed by connecting one end and one end of the rear wheel support 200 at the rear with a coil spring is provided so as to be rotatable with the longitudinal direction of the rear wheel support 200 as a rotation axis, thereby providing quick steering or grounding. When the rear wheel directional caster unit 230 passes through the projecting portion, the rear rear wheel support 200 which is supported on the ground through the pair of rear wheel directional caster units 230 rotates with respect to the front rear wheel support 200. And, the position is immediately restored by the restoring force of the coil spring to prevent the center of gravity of the occupant is moved during driving, and to ensure stable running.
바람직하게는, 도 1에 도시된 바와 같이, 상기 후륜 방향성 캐스터부(230)의 상부에는 충격완화부(250)를 구비시켜 지면으로부터 전달되는 충격을 흡수하도록 하여 탑승자가 편안한 주행상태에서 자전거를 탈 수 있도록 하고, 도 4에 도시된 바와 같이, 상기 충격완화부(250)의 상부에서 상기 후륜 지지대(200)의 타측이 접철가능하게 결합되는 접철부(260)를 두어 상기 후륜 지지대(200)의 타측을 접을 수 있도록 구성함으로써, 부피를 줄여 이동이나 보관을 용이하게 할 수 있도록 한다.Preferably, as shown in Figure 1, the upper portion of the rear wheel directional caster 230 is provided with a shock absorbing unit 250 to absorb the shock transmitted from the ground so that the occupant rides the bicycle in a comfortable driving state And, as shown in Figure 4, at the top of the shock absorbing portion 250, the other side of the rear wheel support 200 is provided with a folding portion 260 to be foldably coupled of the rear wheel support 200 By configuring the other side to be folded, the volume can be reduced to facilitate movement or storage.
또한, 도 5에 도시된 바와 같이, 상기 후륜 지지대(200)에 결합되는 핸들부(220)의 후방 위치에, 탄성부재의 지지를 받는 결합핀과 결합공이 결합되게 하는 구성으로, 착탈가능하게 결합되는 후방 손잡이부(270)를 두어 핸들부(220)를 흔드는데 익숙하지 못한 어린아이들도 자전거에 올라타게 한 후, 상기 후방 손잡이부(270)를 이용하여 뒤에서 밀어주어 안전하고 편리하게 자전거를 즐길 수 있게 한다.In addition, as shown in Figure 5, in the rear position of the handle portion 220 which is coupled to the rear wheel support 200, in a configuration such that the coupling pin and the coupling hole receiving the elastic member is coupled, detachable coupling Put the rear handle 270 to be unfamiliar to shake the handle 220, even young children to ride on the bicycle, using the rear handle 270 to push from the back to enjoy a safe and convenient bike To be able.
본 발명에 따른 후륜 조향식 자전거(1)는, 도 1에 도시된 바와 같이, 후륜 방향성 캐스터부(230)가 후륜 지지대(200)의 타측 끝단에 구비되어 핸들부(220)를 흔들어 주는 동작으로 추진력을 얻어 자전거가 앞으로 진행되게 되고, 이와 더불어, 전륜(110)을 회전시켜 구동할 수 있는 폐달부(130)를 두고, 전륜(110)에 탑승자의 답압력으로 폐달을 돌려 전륜(110)을 구동시킬 수 있도록 함으로써, 추진력을 배가시켜 자전거를 더 빠른 속도로 스피드감을 느끼며 즐길 수 있도록 한다.As shown in FIG. 1, the rear wheel steering bicycle 1 according to the present invention includes a rear wheel directional caster unit 230 provided at the other end of the rear wheel support 200 to shake the handle unit 220. With the propulsion force, the bicycle proceeds forward, and with this, with the closing part 130 capable of rotating and driving the front wheel 110, the front wheel 110 is turned on the front wheel 110 by turning the closing moon with the pressure of the occupant on the front wheel 110. By allowing it to be driven, it doubles the driving force, allowing the bike to feel faster and enjoy the speed.
또한, 본 발명에 따른 후륜 조향식 자전거(1)는, 상기 후륜 지지대(200)의 일측 끝단에서 상기 전륜 지지대(100)에 회전가능하게 결합되는 후륜 지지대(200)의 회전결합부(210)가, 상기 후륜 지지대(200)의 타측 끝단에 구비되는 후륜 방향성 캐스터부(230)와 소정의 상·하 높이 차이가 존재하여 상기 후륜 지지대(200)는, 도 1에 도시된 바와 같이, 상기 회전 결합부에서 후륜 방향성 캐스터부(230)로 소정각도의 기울기로 경사지게 형성되며, 이와 같이 소정각도 경사지게 후륜 지지대(200)가 형성됨으로써, 급격하게 과도한 조향을 하는 경우 회전결합부(210)에서 후륜 방향성 캐스터부(230)로 이어지는 후륜 지지대(200)의 경사각도에 비례하여 한 쌍의 후륜 방향성 캐스터부(230)의 한 쪽이 지면에서 공중으로 들려져 자전거가 중심을 잃고 넘어질 수 있으므로, 자전거 사용자의 숙련 정도에 따라 그 경사각도를 조절할 수 있게 하기 위해, 도 8에 도시된 바와 같이, 각도 조절부(160)를 구비할 수 있다.In addition, the rear wheel steering bicycle 1 according to the present invention, the rotary coupling portion 210 of the rear wheel support 200 is rotatably coupled to the front wheel support 100 at one end of the rear wheel support 200 The rear wheel support 200 has a predetermined height difference between the rear wheel directional caster unit 230 provided at the other end of the rear wheel support 200, and the rear wheel support 200 is rotated as shown in FIG. 1. The rear wheel directional caster unit 230 is formed to be inclined at a predetermined angle inclined, and the rear wheel support 200 is formed to be inclined at a predetermined angle as described above. Since one side of the pair of rear wheel directional caster unit 230 is lifted into the air from the ground in proportion to the inclination angle of the rear wheel support 200 leading to the unit 230, the bicycle may lose its center and fall. In order to be able to adjust the inclination angle according to the skill of the user, as shown in FIG. 8, the angle adjusting unit 160 may be provided.
도 8에 도시된 바와 같이, 상기 전륜 지지대(100)에는, 일측은 상기 전륜 지지대(100)에 회전가능하게 피봇결합되고 타측에는 상기 후륜 지지대(200)의 회전결합부(210)가 회전가능하게 결합되는 회전결합부 전방지지대(140)가 구비되어 상기 각도 조절부(160)의 일측이 회전가능하게 피봇결합되고, 일측이 상기 회전결합부 전방지지대(140)에서 소정간격 후방에서 이격된 위치에 상기 전륜 지지대(100)에 회전가능하게 결합되는 회전결합부 후방 지지대가 구비되어 상기 각도 조절부(160)의 타측이 결합위치의 조절이 가능하게 결합된다. As shown in FIG. 8, in the front wheel support 100, one side is pivotally coupled to the front wheel support 100, and the other side of the rear wheel support 200 is rotatably coupled to the rotation coupling part 210. Rotating coupling unit front support 140 is coupled to one side of the angle adjustment unit 160 is pivotally coupled, one side is spaced apart from the rear of the predetermined distance from the rotation coupling unit front support 140 The rear wheel support is rotatably coupled to the front wheel support 100 is provided so that the other side of the angle adjuster 160 is coupled to enable the adjustment of the coupling position.
도 8에 도시된 바와 같이, 회전결합부 후방지지대(150)의 타측에는 타원형의 이동결합공(151)이 형성되고 상기 이동결합공(151)에 상기 각도 조절부(160)의 타측이 관통되어 구비되고 상기 이동결합공(151)의 상·하부면에는 관통된 상기 각도 조절부(160)의 외측면에 형성되는 나사에 끼워져 결합되는 너트가 구비되어 그 위치를 고정할 수 있도록 형성되어 각도 조절부(160)와의 결합위치를 조정할 수 있도록 구성된다. 즉, 상기 이동결합공(151)에 상기 각도 조절부(160)가 수직하게 세워져 관통결합될수록 상기 회전결합부 전방지지대(140)가 상기 전륜 지지대(100)의 회전결합위치를 중심으로 수평에 가깝게 회전이동하게 되어, 상기 회전결합부(210)에서 상기 후륜 방향성 캐스터부(230)로 이어지는 후륜 지지대(200)의 수평에 대한 경사각도가 완만해져 급격한 조향에도 좌·우 한 쌍의 후륜 방향성 캐스터부(230) 중 일측이 지면에서 들려져 쓰러지는 것을 방지할 수 있게 된다.As shown in FIG. 8, the other side of the rotary coupling rear support 150 is formed with an elliptical movable coupling hole 151 and the other side of the angle adjusting unit 160 penetrates the movable coupling hole 151. The upper and lower surfaces of the movable coupling hole 151 are provided with a nut coupled to a screw formed on an outer surface of the angle adjusting unit 160 to be penetrated to be formed so as to fix its position. It is configured to adjust the engagement position with the unit 160. That is, as the angle adjusting unit 160 is vertically erected through the movable coupling hole 151, the rotation coupling unit front support 140 is closer to horizontal centering on the rotation coupling position of the front wheel support 100. Rotating movement, the inclination angle of the rear wheel support 200 from the rotary coupling portion 210 to the rear wheel directional caster 230 is moderate, so that the left and right pair of rear wheel directional casters One side of the 230 may be prevented from being lifted from the ground.
또한, 도 8에 도시된 바와 같이, 후륜 지지대(200)의 일측 끝단에 구비되는 회전결합부(210)를, 상부의 외주면으로 제 1조향 기어(212)가 형성되고 하부가 상기 전륜 지지대(100)에 회전가능하게 결합되는 전방회전 결합부(211) 및, 상부의 외주면으로는 상기 제 1조향 기어(212)에 맞물려 결합되는 제 2조향 기어(214)가 결합형성되고 하부가 상기 전방회전 결합부(211)의 후방에서 상기 전륜 지지대(100)에 회전가능하게 결합되는 후방회전 결합부(213)로 구성되고, 상기 제 1조향 기어(212)의 상부면에 핸들부(220)가 구비되게 구성된다.In addition, as shown in FIG. 8, a first steering gear 212 is formed on the outer circumferential surface of the rotary coupling part 210 provided at one end of the rear wheel support 200, and the lower wheel is the front wheel support 100. The front rotation coupling portion 211 rotatably coupled to the second, and the outer circumferential surface of the upper portion is coupled to the second steering gear 214 engaged with the first steering gear 212, and the lower portion is the front rotation coupling And a rear rotation coupling part 213 rotatably coupled to the front wheel support 100 at the rear of the part 211, so that the handle part 220 is provided on the upper surface of the first steering gear 212. It is composed.
이와 같은 구성에 의해, 상기 핸들부(220)의 조향으로 상기 핸들부(220)와 일체로 결합형성되는 제 1조향 기어(212)가 핸들부(220)의 회전방향과 동일방향으로 회전하고, 상기 제 1조향 기어(212)와 맞물려 있는 제 2조향 기어(214)는 핸들부(220)의 회전과는 반대방향으로 회전하게 되어 후륜 지지대(200)의 타측 끝단에 형성되는 상기 후륜 방향성 캐스터부(230)는 상기 핸들부(220)와 반대방향으로 회전하게 됨으로써, 핸들부(220)의 회전방향과 동일 방향으로 자전거의 진행방향을 조정할 수 있게 된다.By such a configuration, the first steering gear 212 integrally formed with the handle part 220 by the steering of the handle part 220 rotates in the same direction as the rotation direction of the handle part 220, The second steering gear 214 meshed with the first steering gear 212 rotates in a direction opposite to the rotation of the handle part 220 so that the rear wheel directional caster part is formed at the other end of the rear wheel support 200. 230 is rotated in the opposite direction to the handle portion 220, it is possible to adjust the advancing direction of the bicycle in the same direction as the rotation direction of the handle portion 220.
또한, 바람직하게는, 전륜 지지대(100)에 있어서, 전륜(110) 회전가능하게 결합되는 결합 부위의 후방으로 전륜 지지대(100)의 길이를 조절할 수 있는 길이조절부(170)를 두어 자전거 탑승자의 신장에 맞춰 전륜 지지대(100)의 길이를 조절할 수 있게 한다.In addition, preferably, in the front wheel support 100, the length of the front wheel support 100 to adjust the length of the front wheel support 100 to the rear of the engaging portion that is rotatably coupled to the front wheel 110 to the bicycle rider It is possible to adjust the length of the front wheel support (100) according to the height.
위에서 몇몇의 실시예가 예시적으로 설명되었음에도 불구하고, 본 발명이 이의 취지 및 범주에서 벗어남 없이 다른 여러 형태로 구체화될 수 있다는 사실은 해당 기술에 통상의 지식을 가진 이들에게는 자명한 것이다.Although some embodiments have been described above by way of example, it will be apparent to those skilled in the art that the present invention may be embodied in many other forms without departing from the spirit and scope thereof.
따라서, 상술된 실시예는 제한적인 것이 아닌 예시적인 것으로 여겨져야 하며, 첨부된 청구항 및 이의 동등 범위 내의 모든 실시예는 본 발명의 범주 내에 포함된다.Accordingly, the above-described embodiments should be considered as illustrative and not restrictive, and all embodiments within the scope of the appended claims and their equivalents are included within the scope of the present invention.
본 발명은 후륜을 회전시켜 자전거의 진행방향을 제어하는 후륜 조향식 자전거에 관한 것으로서, 후륜의 방향을 제어하여 조향함과 더불어, 구름운동하는 회전축과는 소정거리 이격되는 위치에서 좌우로 회전운동가능하게 구비되는 후륜 방향성 캐스터부를 두어 상기 후륜 방향성 캐스터부의 조정에 의해 자전거를 즐길 수 있는 새로운 개념의 자전거로서 산업상 이용가능성이 아주 큰 발명이다.The present invention relates to a rear-wheel steering bicycle that controls the driving direction of the bicycle by rotating the rear wheel, and controls the direction of the rear wheel, and can be rotated left and right at a position spaced a predetermined distance away from the rotational axis of the rolling movement. As a bicycle having a new concept in which a bicycle can be enjoyed by adjusting the rear wheel directional caster part provided by the rear wheel directional caster part, the industrial applicability is very large.

Claims (8)

  1. 일측의 끝단에는 전륜(110)이 회전가능하게 결합되고, 타측의 끝단에는 안장(120)이 결합되며, 상기 전륜(110)에는 전륜(110)을 회전 구동하는 페달부(130)가 구비되는 전륜 지지대(100); 및The front wheel 110 is rotatably coupled to the end of one side, the saddle 120 is coupled to the other end, the front wheel 110 is provided with a pedal unit 130 for rotationally driving the front wheel 110 Support 100; And
    일측의 끝단에는 상기 전륜 지지대(100)에 회전가능하게 결합되는 회전결합부(210)와; 상기 회전결합부(210)의 후방 측면에 장착되고, 좌·우 손잡이가 마련되는 핸들부(220)와; 타측의 끝단에는 롤러(231)가 구름운동가능하게 구비됨과 동시에 상기 핸들부(220)의 회전에 따라 좌우로 회전가능하게 좌·우 한 쌍으로 구비되는 후륜 방향성 캐스터부(230)로 이루어지는 후륜 지지대(200);At one end of the rotary coupling portion 210 is rotatably coupled to the front wheel support (100); A handle part 220 mounted on a rear side of the rotary coupling part 210 and provided with a left and right handle; At the other end, the rear wheel support is composed of a rear wheel directional caster unit 230 provided with a pair of left and right rotatable left and right according to the rotation of the handle unit 220 while the roller 231 is provided with a rotatable movement. 200;
    로 구성되는 것을 특징으로 하는 후륜 조향식 자전거(1).Rear wheel steering bike, characterized in that consisting of (1).
  2. 제 1항에 있어서,The method of claim 1,
    상기 후륜 방향성 캐스터부(230)에는,The rear wheel directional caster unit 230,
    후륜 방향성 캐스터부(230)가 소정각도 내에서만 좌·우로 회전하도록 각도를 제한하는 각도 제한부(232);가 더 포함되어 구성되는 것을 특징으로 하는 후륜 조향식 자전거(1).Rear wheel directional bicycle (1), characterized in that it further comprises; an angle limiting portion (232) for limiting the angle so that the rear wheel directional caster (230) rotates left and right only within a predetermined angle.
  3. 제 2항에 있어서,The method of claim 2,
    상기 후륜 지지대(200)는,The rear wheel support 200,
    상기 회전결합부(210)의 후방에서 상기 후륜 지지대(200)의 길이방향을 회전축으로 하여 회전가능하게 틸팅부(240)가 구비되는 것을 특징으로 하는 후륜 조향식 자전거(1).The rear wheel steering bicycle (1), characterized in that the tilting portion 240 is provided to be rotatable in the longitudinal direction of the rear wheel support (200) in the rear of the rotary coupling portion (210).
  4. 제 3항에 있어서,The method of claim 3, wherein
    상기 후륜 지지대(200)는,The rear wheel support 200,
    지면으로부터 전달되는 충격을 흡수하는 충격완화부(250);가 더 포함되어 구비되는 것을 특징으로 하는 후륜 조향식 자전거(1).Shock-absorbing unit (250) for absorbing the shock transmitted from the ground; Rear wheel steering bike (1) characterized in that it is further provided.
  5. 제 4항에 있어서,The method of claim 4, wherein
    상기 후륜 지지대(200)는,The rear wheel support 200,
    타측 끝단에 상기 후륜 방향성 캐스터부가 구비되는 상기 후륜 지지대(200)의 타측이 접철가능하게 구비되는 것을 특징으로 하는 후륜 조향식 자전거(1).The rear wheel steering bike (1), characterized in that the other end of the rear wheel support (200) provided with the rear wheel directional caster portion at the other end is foldable.
  6. 제 5항에 있어서,The method of claim 5,
    상기 후륜 지지대(200)는,The rear wheel support 200,
    후방 손잡이부(270)가 착탈가능하게 구비되는 것을 특징으로 하는 후륜 조향식 자전거(1).Rear wheel steering bike (1), characterized in that the rear handle 270 is provided detachably.
  7. 제 1항 내지 제 6항 중 어느 한 항에 있어서,The method according to any one of claims 1 to 6,
    상기 전륜 지지대(100)는,The front wheel support 100,
    일측은 상기 전륜 지지대(100)에 회전가능하게 피봇결합되고, 타측에는 상기 후륜 지지대(200)의 회전 결합부가 회전가능하게 결합되는 회전결합부 전방지지대(140);가 구비되고,One side is rotatably pivotally coupled to the front wheel support (100), the other side is a rotation coupling portion front support 140 rotatably coupled to the rotation coupling portion of the rear wheel support (200);
    일측이 상기 회전결합부 전방지지대(140)에서 소정간격 후방으로 이격된 위치에 상기 전륜 지지대(100)에 고정 결합되는 회전결합부 후방지지대(150);가 구비되며,Rotating coupling unit rear support 150 is fixedly coupled to the front wheel support 100 at a side spaced apart from the rotary coupling front support 140 by a predetermined interval rear;
    일측은 상기 회전결합부 전방지지대(140)에 회전가능하게 피봇결합되고, 타측은 상기 회전결합부 후방지지대(150)의 타측에 결합위치의 조절이 가능하게 결합되는 각도 조절부(160);가 구비되는 것을 특징으로 하는 후륜 조향식 자전거(1).One side is pivotally coupled to the rotary coupling front support 140, the other side is the angle adjustment unit 160 is coupled to the other side of the rotary coupling to the rear support 150 to adjust the coupling position; Rear wheel steering bicycle (1) characterized in that it is provided.
  8. 제 1항 내지 제 6항 중 어느 한 항에 있어서,The method according to any one of claims 1 to 6,
    상기 후륜 지지대(200)의 회전 결합부는,Rotating coupling portion of the rear wheel support 200,
    상부의 외주면으로 제 1조향 기어(212)가 형성되고, 상기 전륜 지지대(100)에 회전가능하게 결합되는 전방회전 결합부(211); 및A first steering gear 212 formed on an outer circumferential surface of the upper portion, and a front rotation coupling part 211 rotatably coupled to the front wheel support 100; And
    상부의 외주면으로는 상기 제 1조향 기어(212)에 맞물려 결합되는 제 2조향 기어(214)가 결합형성되고, 상기 전방회전 결합부(211)의 후방에서 상기 전륜 지지대(100)에 회전가능하게 결합되는 후방회전 결합부(213);로 구성되고,A second steering gear 214 coupled to the first steering gear 212 is coupled to the outer circumferential surface of the upper portion, and is rotatably rotated to the front wheel support 100 at the rear of the front rotation coupling part 211. Composed of a rear rotation coupling portion 213;
    상기 핸들부(220)는 상기 제 1조향 기어(212)의 상부면에 결합형성되는 것을 특징으로 하는 후륜 조향식 자전거(1).The handle part 220 is rear wheel steering bicycle (1), characterized in that the coupling formed on the upper surface of the first steering gear (212).
PCT/KR2011/003259 2010-05-03 2011-05-02 Rear-wheel steering bicycle WO2011139059A2 (en)

Applications Claiming Priority (2)

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KR1020100041565A KR101010117B1 (en) 2010-05-03 2010-05-03 The bicycle with rear wheel steering
KR10-2010-0041565 2010-05-03

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WO2011139059A3 WO2011139059A3 (en) 2012-01-05

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CN107226156A (en) * 2017-07-25 2017-10-03 浙江机电职业技术学院 Many gear hand driven bicycles that a kind of chair control rope traction is turned to

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WO2014083481A1 (en) * 2012-11-29 2014-06-05 Dal Bon Claudio Pedal vehicle
CN107226156A (en) * 2017-07-25 2017-10-03 浙江机电职业技术学院 Many gear hand driven bicycles that a kind of chair control rope traction is turned to

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