WO2017043792A1 - Small-sized bicycle - Google Patents

Small-sized bicycle Download PDF

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Publication number
WO2017043792A1
WO2017043792A1 PCT/KR2016/009530 KR2016009530W WO2017043792A1 WO 2017043792 A1 WO2017043792 A1 WO 2017043792A1 KR 2016009530 W KR2016009530 W KR 2016009530W WO 2017043792 A1 WO2017043792 A1 WO 2017043792A1
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WO
WIPO (PCT)
Prior art keywords
frame
support frame
sprocket
wheel
wheels
Prior art date
Application number
PCT/KR2016/009530
Other languages
French (fr)
Korean (ko)
Inventor
조병관
Original Assignee
조병관
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Publication date
Application filed by 조병관 filed Critical 조병관
Priority to CN201680011916.4A priority Critical patent/CN107257763A/en
Publication of WO2017043792A1 publication Critical patent/WO2017043792A1/en

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Classifications

    • 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
    • B62K3/00—Bicycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B11/00—Units comprising multiple wheels arranged side by side; Wheels having more than one rim or capable of carrying more than one tyre
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
    • B62M11/06—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with spur gear 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
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/02—Transmissions characterised by use of an endless chain, belt, or the like of unchangeable ratio
    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/30—Chain-wheels

Definitions

  • the present invention relates to a small bicycle, and more particularly, the front wheel and the rear wheel of the bicycle is composed of small wheels, which can be easily carried and carried.
  • the pedal When the pedal is pressed, acceleration rotation is made by transmission of power of the transmission,
  • the present invention relates to a high-performance compact bicycle capable of effectively coping with irregular obstacles on the road by mounting front wheels of one set of wheels.
  • a bicycle is composed of a system in which power is transmitted to a rear wheel via a pedal, a crank mechanism, a sprocket, and a chain, which are stepped by a two-wheeled vehicle that rotates a wheel by human force.
  • the bicycle is a structure that can not be easily carried because the large wheels are mounted on the chassis frame, and the sports equipment such as a kick board equipped with a small wheel at the bottom of the footrest could not be used on roads with irregular roads.
  • the present applicant has proposed a compact bicycle that can be easily carried by eliminating the disadvantages of the bicycle and the kick board and combining only the advantages.
  • the prior art 1 is a folding compact bicycle having a drive means for rotating the rear wheel of the board body, the drive means is coupled to the rear hinge shaft of the board body and the rack member is operated up and down; A pedal installed at the rack member and protruding to an upper portion of the board body; A pinion in gear contact between the rear wheel and the rack member; A first sprocket wheel that rotates at the same speed as the pinion; A second sprocket wheel that rotates at the same speed as the rear wheel of the board body;
  • the folding compact bicycle characterized in that consisting of a chain connecting the sprocket wheels.
  • the prior art 2 is coupled to the frame having a front and rear inclined surface under the scaffold, the front wheel frame and the rear wheel frame is coupled to the inclined surface, the front and rear wheel frame is formed in a semi-circular shape, the front wheel and the rear wheel is coupled to both ends,
  • the left and right springs are coupled to the coupling bolts, and the front and rear wheel frames are connected to the left and right springs.
  • the prior art 1 is configured to be driven by the operation of the rack member and the pinion when the pedal is pressed so that the driving feeling of the board and the effect of the small bike
  • the prior art 2 is the expansion and contraction of the frame when the left and right movement of the footrest loaded with weight Since it is a technology configured to move forward by operation, it is easy to carry it while acceleration rotation is made by a transmission as in the present invention, and a technology that effectively copes with irregular obstacles on the road by a front wheel composed of a plurality of wheels is found.
  • a front wheel composed of a plurality of wheels is found.
  • the present invention has been made in view of the above problems, the object of which is that the front wheel and the rear wheel is composed of small wheels made easy to carry and transport, the front wheel is composed of a five-wheeled wheel consisting of a plurality of wheels irregular road surface It is to provide a high-performance compact bicycle that can effectively cope with obstacles.
  • branch pipes 21 branched to both sides are formed in the lower portion of the first frame 20 mounted vertically in front of the horizontal support frame 10, the branch pipe 21 Brackets 41 having radial wings are mounted between them and are rotatably installed by a shaft 41a.
  • a plurality of wheels are mounted on the wings of the brackets 41, respectively, to form a pair of front wheels 40.
  • a front sprocket 61 is mounted at the center of the support frame 10 to be rotated by the pedal 61a, and fixed to the drive shaft 71a of the transmission 70 mounted at the rear of the support frame 10.
  • the rear sprocket 62 is connected to the front sprocket 61 and the chain 63 to transmit power, and the rear wheel 50 is mounted on the driven shaft 73a of the transmission 70 to accelerate and rotate, and a support frame (
  • the saddle 31 is fixed to the upper portion of the second frame 30 mounted vertically to the rear of 10),
  • the upper portion of the first frame 20 is provided to which can be achieved by a small bicycle, it characterized in that the steering wheel frame 22 is fixed.
  • the rear wheel 50 is powered by the chain 63 and the transmission 70.
  • the transmission is accelerated by the transmission 70, so that not only stable cycling can be carried out, but also the wheels are generally compact and can be easily carried and carried at the same time.
  • the first, second, second, third, fourth and fifth wheels 40a, 40b, 40c, 40d, and 40e are rotated in steps of the five-wheeled configuration of the five-wheeled configuration. It is possible to provide stable handheld bicycles by minimizing the volume and weight of the entire bicycle since the stable driving is possible over 80).
  • FIG. 1 is a front view illustrating one embodiment of the present invention
  • FIG. 2 is a flat view illustrating an embodiment of the present invention
  • FIG. 3 is an enlarged front view of a part of the present invention.
  • FIG. 5 is a perspective view illustrating a state in which the front wheel according to the invention separated from the lower branch pipe of the first frame
  • 6A to 6D are operation diagrams illustrating the state in which the front wheel of the small bicycle according to the present invention crosses an obstacle step by step.
  • the front of the horizontally mounted support frame 10 is mounted vertically to the first frame 20, the lower branch of the first frame 20 branched to both sides ( 21 are formed so that the wheels are mounted between the branch tubes 21.
  • the support frame 10 is installed as a horizontal frame connecting between the first frame 20 and the second frame 30 mounted vertically, the "X" shaped support frame 10 is shown Although installed between the first and second frames 20 and 30, the support frame can be configured in various forms, so the present invention is not necessarily limited to the structure of the "X" type support frame 10. .
  • a bracket 41 having radial wings is mounted between the branch tubes 21, and the bracket 41 is rotatably mounted by a shaft 41a passing through both branch tubes 21.
  • a plurality of wheels are mounted on the wings of the bracket 41, respectively, and a plurality of wheels form a front wheel 40 of the bicycle.
  • the bracket 41 has a configuration in which the five wings are mounted in a rectangular shape, the wings of the brackets 41, 1, 2, 3, 4, 5
  • the wheels 40a, 40b, 40c, 40d, and 40e are mounted, respectively, and are constituted by five-wheeled front wheels 40 in which five wheels constitute one set.
  • the shock absorbing spring 21a is mounted between the first frame 20 and the branch pipes 21 so as to effectively absorb and eliminate the shock applied to the front wheels 40 when traveling on an irregular road surface.
  • the front sprocket 61 having a large outer diameter is mounted on the “X” -type center portion of the support frame 10, and a pedal 61a connected to the crank structure is mounted on the shaft of the front sprocket 61 and the pedal 61a.
  • the front sprocket 61 is configured to be rotated.
  • the rear of the support frame 10 is a transmission 70 is mounted, the rear sprocket 62 is fixed to the drive shaft (71a) of the transmission 70 is rotated together with the front sprocket 61 and the chain (63) Is connected, the rear wheel 50 is mounted to the driven shaft (73a) of the transmission 70 is a structure that is accelerated rotation when the power of the pedal (61a) is transmitted to the rear wheel (50).
  • the detailed structure of the transmission 70 is as follows. That is, the drive gear 71 is mounted in the rear case 70a of the support frame 10, and the idle gear 72 and the driven gear 73 having different diameters are continuously coupled to the drive gear 71. It is configured to be accelerated rotation by the gear ratio of the gears.
  • the rear sprocket 62 is coupled to the drive shaft 71a of the drive gear 71, and the rear sprocket 62 is connected to the front sprocket 61 and the chain 63 to transmit power, and is driven gear.
  • the rear wheel 50 is coupled to the driven shaft 73a of the 73 to be configured to accelerate rotation.
  • the saddle 31 is fixed to an upper portion of the second frame 30 mounted vertically to the rear of the support frame 10, and the handle frame 22 is fixed to an upper portion of the first frame 20.
  • the rear wheel (through the chain 63 and the transmission 70) 50) Power is transmitted, and the acceleration driving by the transmission 70 is a stable bicycle running at the same time as the overall structure of the wheels are compactly configured to carry easily handy for a handy (for handy) bicycle It can provide.
  • the front wheel 40 consisting of the wheels of the five-wheel overhanging or recessed obstacles (80) can overcome the obstacles, so that stable running is possible to minimize the overall volume and weight of the bike You can implement a cycle for handy.
  • support frame 20 first frame
  • handle frame 30 second frame
  • drive gear 71a drive shaft

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

The present invention relates to a small-sized bicycle and, more particularly, to a highly functional small-sized bicycle which can be conveniently carried and transported by having a front wheel and a rear wheel which are small-sized wheels; which performs accelerated rotation, when pedals are stepped on, by means of power transfer of a transmission; and which can effectively deal with irregular obstructions on the road by having the front wheel, in which a plurality of wheels form a group, be installed on the front side thereof. The aforesaid features of the present invention can be achieved by a small-sized bicycle in which: a first frame (20) perpendicularly mounted in front of a horizontal support frame (10) has branch pipes (21) which are formed on the lower portion thereof and branch to both sides; a bracket (41) having radial blades is mounted between the branch pipes (21) and are installed to be rotatable by a shaft (41a); a plurality of wheels are mounted in the respective blades of the bracket (41) and form a group, thereby forming a front wheel (40); a front sprocket (61) is mounted in the center of the support frame (10) so as to be rotated by pedals (61a); a rear sprocket (62) fixed to a drive shaft (71a) of a transmission (70) mounted behind the support frame (10) is connected to the front sprocket (61) by a chain (63) such that power is transferred; a rear wheel (50) is mounted on a driven shaft (73a) of the transmission (70) so as to perform accelerated rotation; a saddle (31) is fixed to the top of a second frame (30) which is vertically mounted behind the support frame (10); and a handle frame (22) is fixed to the top of the first frame (20).

Description

소형 자전거Mini bike
본 발명은 소형 자전거에 관한 것으로서, 더욱 상세하게는 자전거의 전륜 및 후륜이 소형 바퀴로 구성되어 간편하게 휴대 및 운반할 수 있고, 페달을 밟으면 변속기의 동력 전달로 가속회전이 이루어지는 한편, 전방에는 복수의 바퀴가 1조를 이루는 전륜이 장착되어 노면의 불규칙한 장애물에 효과적으로 대처할 수 있는 고기능성의 소형 자전거에 관한 것이다.The present invention relates to a small bicycle, and more particularly, the front wheel and the rear wheel of the bicycle is composed of small wheels, which can be easily carried and carried. When the pedal is pressed, acceleration rotation is made by transmission of power of the transmission, The present invention relates to a high-performance compact bicycle capable of effectively coping with irregular obstacles on the road by mounting front wheels of one set of wheels.
일반적으로 자전거는 사람의 힘으로 바퀴를 회전시켜 움직이는 2륜 차로 발로 밟아 힘을 내는 페달, 크랭크 기구, 스프로킷(sprocket) 및 체인을 거쳐 뒷바퀴에 동력이 전달되는 시스템으로 구성되어 있다.In general, a bicycle is composed of a system in which power is transmitted to a rear wheel via a pedal, a crank mechanism, a sprocket, and a chain, which are stepped by a two-wheeled vehicle that rotates a wheel by human force.
그러나, 자전거는 차대 프레임에 큰 바퀴들이 장착되어 간편하게 휴대할 수 없는 구조이고, 발판의 하부에 작은 바퀴가 장착된 킥 보드와 같은 레포츠기구는 바퀴가 작아 노면이 불규칙한 도로에서는 사용할 수 없었다.However, the bicycle is a structure that can not be easily carried because the large wheels are mounted on the chassis frame, and the sports equipment such as a kick board equipped with a small wheel at the bottom of the footrest could not be used on roads with irregular roads.
따라서, 본 출원인은 자전거와 킥 보드가 갖는 단점을 해소하고 장점만을 결합하여 간편하게 휴대할 수 있는 소형 자전거를 제안하게되었다.Accordingly, the present applicant has proposed a compact bicycle that can be easily carried by eliminating the disadvantages of the bicycle and the kick board and combining only the advantages.
종래에는 등록실용 제20-0225665호 "절첩식 소형 자전거"(선행기술1) 및 등록특허 제10-0987701호 "자전거형 시소 보드"(선행기술2)가 제안된 바 있다.In the related art, Registration No. 20-0225665 "Foldable Small Bicycle" (prior art 1) and Patent No. 10-0987701 "Bicycle-type seesaw board" (prior art 2) have been proposed.
상기 선행기술1은 보드몸체의 뒷바퀴를 회전시키는 구동수단을 구비한 절첩식 소형 자전거에 있어서, 상기 구동수단은, 상기 보드몸체의 후단 힌지축에 결합되어 상하 작동되는 랙부재와; 상기 랙부재에 설치되어 보드몸체의 상부로 돌출되는 페달과; 상기 뒷바퀴와 랙부재 사이에서 기어 접촉되는 피니언과; 피니언과 같은 속도로 회전되는 제1스프로킷 휠과; 보드몸체의 뒷바퀴와 같은 속도로 회전되는 제2스프로킷 휠과; 상기 스프로킷 휠들을 연결하는 체인으로 구성된 것을 특징으로 하는 절첩식 소형 자전거이다.The prior art 1 is a folding compact bicycle having a drive means for rotating the rear wheel of the board body, the drive means is coupled to the rear hinge shaft of the board body and the rack member is operated up and down; A pedal installed at the rack member and protruding to an upper portion of the board body; A pinion in gear contact between the rear wheel and the rack member; A first sprocket wheel that rotates at the same speed as the pinion; A second sprocket wheel that rotates at the same speed as the rear wheel of the board body; The folding compact bicycle, characterized in that consisting of a chain connecting the sprocket wheels.
상기 선행기술2는 발판의 하에 전후 경사면을 갖는 프레임이 결합되고, 경사면에는 전륜프레임과 후륜프레임이 회동되게 결합되며, 전후륜프레임은 반원형으로 형성되고, 그 양단에는 전륜과 후륜이 회동 결합되며, 좌우스프링이 결합볼트에 결합되어 전후륜프레임이 좌우스프링으로 연결되며, 전륜프레임에는 메인프레임이 결합되고, 메인프레임에는 핸들과 앞바퀴가 결합된 포크프레임이 결합된 것을 특징으로 하는 자전거형 시소 보드이다.The prior art 2 is coupled to the frame having a front and rear inclined surface under the scaffold, the front wheel frame and the rear wheel frame is coupled to the inclined surface, the front and rear wheel frame is formed in a semi-circular shape, the front wheel and the rear wheel is coupled to both ends, The left and right springs are coupled to the coupling bolts, and the front and rear wheel frames are connected to the left and right springs. .
상기 선행기술1은 페달을 밟으면 랙부재와 피니언의 작동으로 주행되어 보드의 주행감과 소형 자전거의 효과를 볼 수 있도록 구성한 것이고, 선행기술2는 체중이 실려있는 발판의 좌우를 상하 운동시키면 프레임의 신축작동으로 앞으로 전진할 수 있도록 구성한 기술이므로 본 발명과 같이 변속기에 의하여 가속회전이 이루어지면서도 간편하게 운반할 수 있고, 복수의 바퀴로 구성된 전륜에 의하여 노면의 불규칙한 장애물에 효과적으로 대처할 수 있도록 한 기술은 찾아볼 수 없었다.The prior art 1 is configured to be driven by the operation of the rack member and the pinion when the pedal is pressed so that the driving feeling of the board and the effect of the small bike, the prior art 2 is the expansion and contraction of the frame when the left and right movement of the footrest loaded with weight Since it is a technology configured to move forward by operation, it is easy to carry it while acceleration rotation is made by a transmission as in the present invention, and a technology that effectively copes with irregular obstacles on the road by a front wheel composed of a plurality of wheels is found. Couldn't see.
본 발명은 상기한 문제점을 감안하여 창안한 것으로서, 그 목적은 전륜 및 후륜이 소형 바퀴로 구성되어 휴대 및 운반이 간편하게 이루어지고, 전륜은 복수의 바퀴가 1조를 이루는 오륜바퀴로 구성되어 불규칙한 노면의 장애물에 효과적으로 대처할 수 있는 고기능성의 소형 자전거를 제공함에 있는 것이다.The present invention has been made in view of the above problems, the object of which is that the front wheel and the rear wheel is composed of small wheels made easy to carry and transport, the front wheel is composed of a five-wheeled wheel consisting of a plurality of wheels irregular road surface It is to provide a high-performance compact bicycle that can effectively cope with obstacles.
상기한 목적을 달성하기 위한 본 발명의 특징은, 수평 지지프레임(10)의 전방에 수직으로 장착된 제1프레임(20)의 하부에는 양측으로 분기된 지관(21)들이 형성되고, 지관(21)들의 사이에는 방사형 날개들을 갖는 브래킷(41)이 장착되어 축(41a)에 의하여 회전 가능하게 설치되며, 브래킷(41)의 날개들에는 복수의 바퀴들이 각각 장착되어 1조를 이루는 전륜(40)을 구성하고, 지지프레임(10)의 중앙부에는 전방스프로킷(61)이 장착되어 페달(61a)에 의하여 회전되며, 지지프레임(10)의 후방에 장착된 변속기(70)의 구동축(71a)에 고정된 후방스프로킷(62)이 전방스프로킷(61)과 체인(63)으로 연결되어 동력이 전달되고, 변속기(70)의 종동축(73a)에는 후륜(50)이 장착되어 가속 회전되며, 지지프레임(10)의 후방에 수직으로 장착된 제2프레임(30)의 상부에는 안장(31)이 고정되고, 제1프레임(20)의 상부에는 핸들프레임(22)이 고정된 것을 특징으로 하는 소형 자전거에 의하여 달성될 수 있는 것이다.Features of the present invention for achieving the above object, branch pipes 21 branched to both sides are formed in the lower portion of the first frame 20 mounted vertically in front of the horizontal support frame 10, the branch pipe 21 Brackets 41 having radial wings are mounted between them and are rotatably installed by a shaft 41a. A plurality of wheels are mounted on the wings of the brackets 41, respectively, to form a pair of front wheels 40. And a front sprocket 61 is mounted at the center of the support frame 10 to be rotated by the pedal 61a, and fixed to the drive shaft 71a of the transmission 70 mounted at the rear of the support frame 10. The rear sprocket 62 is connected to the front sprocket 61 and the chain 63 to transmit power, and the rear wheel 50 is mounted on the driven shaft 73a of the transmission 70 to accelerate and rotate, and a support frame ( The saddle 31 is fixed to the upper portion of the second frame 30 mounted vertically to the rear of 10), The upper portion of the first frame 20 is provided to which can be achieved by a small bicycle, it characterized in that the steering wheel frame 22 is fixed.
이상에서 상술한 바와 같은 본 발명은, 운전자가 안장(31)에 앉은 상태에서 핸들프레임(22)을 잡고 페달(61a)을 밟으면 체인(63)과 변속기(70)를 통해 후륜(50)에 동력이 전달되고, 변속기(70)에 의한 가속주행이 이루어져 안정적인 사이클링(cycling을 할 수 있을 뿐 아니라 전체적으로 바퀴들이 소형으로 구성되어 간편하게 휴대하여 운반할 수 있는 동시에 자전거의 주행에서 불규칙한 노면에 의한 장애물(80)을 만나는 경우에는 제1,2,3,4,5바퀴(40a)(40b)(40c)(40d)(40e)들이 1조를 이루는 오륜 구성의 전륜(40)이 단계적으로 회전되면서 장애물(80)을 넘어 안정적인 주행이 가능하므로 전체적인 자전거의 부피와 중량을 최소화시켜 휴대가 간편한 핸디용(for handy) 소형 자전거를 제공할 수 있는 등의 이점이 있다.According to the present invention as described above, when the driver grasps the handle frame 22 and presses the pedal 61a in the state where the driver sits on the saddle 31, the rear wheel 50 is powered by the chain 63 and the transmission 70. The transmission is accelerated by the transmission 70, so that not only stable cycling can be carried out, but also the wheels are generally compact and can be easily carried and carried at the same time. ) When the first, second, second, third, fourth and fifth wheels 40a, 40b, 40c, 40d, and 40e are rotated in steps of the five-wheeled configuration of the five-wheeled configuration. It is possible to provide stable handheld bicycles by minimizing the volume and weight of the entire bicycle since the stable driving is possible over 80).
도 1은 본 발명의 일실시예를 예시한 정면도,1 is a front view illustrating one embodiment of the present invention;
도 2는 본 발명의 일실시예를 예시한 평편도,2 is a flat view illustrating an embodiment of the present invention;
도 3은 본 발명의 일부를 확대한 정면도,3 is an enlarged front view of a part of the present invention;
도 4는 본 발명의 일부를 확대한 평면도,4 is an enlarged plan view of a part of the present invention;
도 5는 본 발명에 의한 전륜이 제1프레임의 하부 지관에서 분리된 상태를 예시한 사시도,5 is a perspective view illustrating a state in which the front wheel according to the invention separated from the lower branch pipe of the first frame,
도 6a∼ 도6d는 본 발명에 의한 소형 자전거의 전륜이 장애물을 넘어가는 상태를 단계적으로 예시한 작동도.6A to 6D are operation diagrams illustrating the state in which the front wheel of the small bicycle according to the present invention crosses an obstacle step by step.
이하, 상기한 목적을 달성하기 위한 바람직한 실시예를 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, described in detail by the accompanying drawings a preferred embodiment for achieving the above object is as follows.
도 1 내지는 도 5에서 도시한 바와 같이, 수평으로 장착된 지지프레임(10)의 전방에는 제1프레임(20) 수직으로 장착되어 있고, 제1프레임(20)의 하부에는 양측으로 분기된 지관(21)들이 형성되어 지관(21)들 사이에 바퀴들이 장착된다.1 to 5, the front of the horizontally mounted support frame 10 is mounted vertically to the first frame 20, the lower branch of the first frame 20 branched to both sides ( 21 are formed so that the wheels are mounted between the branch tubes 21.
상기 지지프레임(10)은 수직으로 장착된 제1프레임(20)과 제2프레임(30)들 사이를 연결하는 수평프레임으로 설치되며, 도시된 바로는 "X"형의 지지프레임(10)이 제1,2프레임(20)(30)들 사이에 장착되어 있으나, 지지프레임은 형태는 다양하게 구성할 수 있는 것이므로 본 발명은 꼭 "X"형 지지프레임(10)의 구조에 국한되는 것은 아니다.The support frame 10 is installed as a horizontal frame connecting between the first frame 20 and the second frame 30 mounted vertically, the "X" shaped support frame 10 is shown Although installed between the first and second frames 20 and 30, the support frame can be configured in various forms, so the present invention is not necessarily limited to the structure of the "X" type support frame 10. .
상기 지관(21)들의 사이에는 방사형 날개들을 갖는 브래킷(41)이 장착되어 있고, 양측 지관(21)들을 관통하는 축(41a)에 의하여 브래킷(41)이 회전 가능하게 장착되어 있다.A bracket 41 having radial wings is mounted between the branch tubes 21, and the bracket 41 is rotatably mounted by a shaft 41a passing through both branch tubes 21.
상기 브래킷(41)의 날개들에는 복수의 바퀴들이 각각 장착되어 있고, 복수의 바퀴들이 1조를 이루어 자전거의 전륜(40)을 형성하고 있다.A plurality of wheels are mounted on the wings of the bracket 41, respectively, and a plurality of wheels form a front wheel 40 of the bicycle.
도시된 바로는 본 발명의 전륜(40)은, 상기 브래킷(41)이 5개의 날개가 방형으로 장착된 구성으로 되어 있고, 브래킷(41)의 날개들에는 제1,2,3,4,5바퀴(40a)(40b)(40c)(40d)(40e)들이 각각 장착되어 5개의 바퀴들이 1조를 이루는 오륜의 전륜(40)으로 구성되어 있다.As shown, the front wheel 40 of the present invention, the bracket 41 has a configuration in which the five wings are mounted in a rectangular shape, the wings of the brackets 41, 1, 2, 3, 4, 5 The wheels 40a, 40b, 40c, 40d, and 40e are mounted, respectively, and are constituted by five-wheeled front wheels 40 in which five wheels constitute one set.
상기 제1프레임(20)과 지관(21)들 사이에는 완충스프링(21a)이 장착되어 불규칙한 노면을 주행할 때 전륜(40)에 가해지는 충격을 효과적으로 흡수하여 해소시킬 수 있도록 구성되어 있다.The shock absorbing spring 21a is mounted between the first frame 20 and the branch pipes 21 so as to effectively absorb and eliminate the shock applied to the front wheels 40 when traveling on an irregular road surface.
상기 지지프레임(10)의 "X"형 중앙부에는 외경이 큰 전방스프로킷(61)이 장착되어 있으며, 전방스프로킷(61)의 축에는 크랭크 구조로 연결되는 페달(61a)이 장착되어 페달(61a)을 밟으면 전방스프로킷(61)이 회전될 수 있도록 구성되어 있다.The front sprocket 61 having a large outer diameter is mounted on the “X” -type center portion of the support frame 10, and a pedal 61a connected to the crank structure is mounted on the shaft of the front sprocket 61 and the pedal 61a. When pressing down, the front sprocket 61 is configured to be rotated.
상기 지지프레임(10)의 후방에는 변속기(70)가 장착되어 있고, 변속기(70)의 구동축(71a)에 고정되어 함께 회전되는 후방스프로킷(62)이 전방스프로킷(61)과 체인(63)으로 연결되어 있으며, 변속기(70)의 종동축(73a)에는 후륜(50)이 장착되어 페달(61a)의 동력이 후륜(50)에 전달되면 가속 회전되는 구조이다.The rear of the support frame 10 is a transmission 70 is mounted, the rear sprocket 62 is fixed to the drive shaft (71a) of the transmission 70 is rotated together with the front sprocket 61 and the chain (63) Is connected, the rear wheel 50 is mounted to the driven shaft (73a) of the transmission 70 is a structure that is accelerated rotation when the power of the pedal (61a) is transmitted to the rear wheel (50).
상기 변속기(70)의 상세한 구조는 다음과 같다. 즉, 상기 지지프레임(10)의 후방 케이스(70a)의 내부에는 구동기어(71)가 장착되어 있고, 구동기어(71)에는 직경이 다른 아이들기어(72)와 종동기어(73)가 연속 결합되어 기어들의 변속비에 의한 가속 회전이 이루어질 수 있도록 구성되어 있다.The detailed structure of the transmission 70 is as follows. That is, the drive gear 71 is mounted in the rear case 70a of the support frame 10, and the idle gear 72 and the driven gear 73 having different diameters are continuously coupled to the drive gear 71. It is configured to be accelerated rotation by the gear ratio of the gears.
상기 구동기어(71)의 구동축(71a)에는 후방스프로킷(62)이 결합되어 있고, 후방스프로킷(62)은 전방스프로킷(61)과 체인(63)으로 연결되어 동력이 전달되는 구조이며, 종동기어(73)의 종동축(73a)에는 후륜(50)이 결합되어 가속 회전되는 구성으로 되어 있다.The rear sprocket 62 is coupled to the drive shaft 71a of the drive gear 71, and the rear sprocket 62 is connected to the front sprocket 61 and the chain 63 to transmit power, and is driven gear. The rear wheel 50 is coupled to the driven shaft 73a of the 73 to be configured to accelerate rotation.
상기 지지프레임(10)의 후방에 수직으로 장착된 제2프레임(30)의 상부에는 안장(31)이 고정되어 있고, 제1프레임(20)의 상부에는 핸들프레임(22)이 고정되어 있다.The saddle 31 is fixed to an upper portion of the second frame 30 mounted vertically to the rear of the support frame 10, and the handle frame 22 is fixed to an upper portion of the first frame 20.
전술한 구성으로 이루어진 본 발명은, 제2프레임(30)의 안장(31)에 앉은 사용자가 핸들프레임(22)을 잡고 페달(61a)을 밟으면 체인(63)과 변속기(70)를 통해 후륜(50)에 동력이 전달되고, 변속기(70)에 의한 가속주행이 이루어져 안정적인 자전거 주행을 할 수 있는 동시에 전체적으로 바퀴들이 소형으로 구성되어 간편하게 운반할 수 있는 구조이므로 휴대가 간편한 핸디 용(for handy) 자전거를 제공할 수 있는 것이다.According to the present invention having the above-described configuration, when the user sitting on the saddle 31 of the second frame 30 holds the handle frame 22 and presses the pedal 61a, the rear wheel (through the chain 63 and the transmission 70) 50) Power is transmitted, and the acceleration driving by the transmission 70 is a stable bicycle running at the same time as the overall structure of the wheels are compactly configured to carry easily handy for a handy (for handy) bicycle It can provide.
특히, 도 6a∼ 6d에서 도시한 바와 같이, 자전거를 주행할 때 불규칙한 노면에 설치된 장애물(80)에 전륜(40)의 제1바퀴(40a)가 걸려지는 경우에는 바퀴들이 브래킷(41)과 함께 축(41a)을 중심으로 회전하여 제2바퀴(40b)가 장애물(80)을 넘으면서 이동되고, 연이은 제3바퀴(40c), 제4바퀴(40d) 및 제5바퀴(40e)가 장애물(80)을 넘으면서 충격의 발생이 거의 없이 안정적인 주행이 이루어질 수 있는 것이다.Particularly, as shown in FIGS. 6A to 6D, when the first wheel 40a of the front wheel 40 is caught by an obstacle 80 installed on an irregular road surface when driving a bicycle, the wheels together with the bracket 41 are used. The second wheel 40b is moved over the obstacle 80 by rotating about the axis 41a, and the subsequent third wheel 40c, the fourth wheel 40d, and the fifth wheel 40e are the obstacle 80 ) And stable driving can be achieved with almost no impact.
따라서, 전체적으로 자전거의 바퀴를 소형으로 구성하더라도 돌출되거나 움푹 패인 장애물(80)을 오륜의 바퀴로 구성된 전륜(40)이 장애물을 극복하여 안정적인 주행이 가능하므로 전체적인 자전거의 부피와 중량을 최소화시켜 휴대가 간편한 핸디 용(for handy) 사이클을 구현할 수 있는 것이다.Therefore, even if the wheel of the bike as a whole, the front wheel 40 consisting of the wheels of the five-wheel overhanging or recessed obstacles (80) can overcome the obstacles, so that stable running is possible to minimize the overall volume and weight of the bike You can implement a cycle for handy.
이상에서는 본 발명의 바람직한 실시예에 대하여 도시하고 또한 설명하였으나, 본 발명은 상기한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 본 발명이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형 실시가 가능한 것은 물론이고, 그와 같은 변경은 기재된 청구범위 내에 있게 된다.Although the preferred embodiments of the present invention have been illustrated and described above, the present invention is not limited to the above-described embodiments, and the present invention is not limited to the above-described embodiments without departing from the spirit of the present invention as claimed in the claims. Various modifications can be made by those skilled in the art, and such modifications are intended to fall within the scope of the appended claims.
[부호의 설명][Description of the code]
10 : 지지프레임 20 : 제1프레임10: support frame 20: first frame
21 : 지관 21a : 완충스프링21: branch 21a: buffer spring
22 : 핸들프레임 30 : 제2프레임22: handle frame 30: second frame
31 : 안장 40 : 전륜31: saddle 40: front wheel
40a : 제1바퀴 40b : 제2바퀴40a: first wheel 40b: second wheel
40c : 제3바퀴 40d : 제3바퀴40c: third wheel 40d: third wheel
40e : 제3바퀴 41 : 브래킷40e: third wheel 41: bracket
41a : 축 50 : 후륜41a: shaft 50: rear wheel
61 : 전방스프로킷 61a : 페달61: front sprocket 61a: pedal
62 : 후방스프로킷 63 : 체인62: rear sprocket 63: chain
70 : 변속기 70a : 케이스70: transmission 70a: case
71 : 구동기어 71a : 구동축71: drive gear 71a: drive shaft
72 : 아이들기어 73 : 종동기어72: children gear 73: driven gear
73a : 종동축 80 : 장애물73a: driven shaft 80: obstacle

Claims (3)

  1. 수평 지지프레임(10)의 전방에 수직으로 장착된 제1프레임(20)의 하부에는 양측으로 분기된 지관(21)들이 형성되고, 지관(21)들의 사이에는 방사형 날개들을 갖는 브래킷(41)이 장착되어 축(41a)에 의하여 회전 가능하게 설치되며, 브래킷(41)의 날개들에는 복수의 바퀴들이 각각 장착되어 1조를 이루는 전륜(40)을 구성하고, 지지프레임(10)의 중앙부에는 전방스프로킷(61)이 장착되어 페달(61a)에 의하여 회전되며, 지지프레임(10)의 후방에 장착된 변속기(70)의 구동축(71a)에 고정된 후방스프로킷(62)이 전방스프로킷(61)과 체인(63)으로 연결되어 동력이 전달되고, 변속기(70)의 종동축(73a)에는 후륜(50)이 장착되어 가속 회전되며, 지지프레임(10)의 후방에 수직으로 장착된 제2프레임(30)의 상부에는 안장(31)이 고정되고, 제1프레임(20)의 상부에는 핸들프레임(22)이 고정된 것을 특징으로 하는 소형 자전거.Branches 21 branched to both sides are formed at a lower portion of the first frame 20 mounted vertically in front of the horizontal support frame 10, and a bracket 41 having radial wings is provided between the branch tubes 21. It is mounted so as to be rotatable by the shaft (41a), a plurality of wheels are mounted on the wings of the bracket 41 to form a pair of front wheels 40, respectively, and to the front of the center of the support frame 10 The sprocket 61 is mounted and rotated by the pedal 61a, and the rear sprocket 62 fixed to the drive shaft 71a of the transmission 70 mounted to the rear of the support frame 10 has a front sprocket 61 and The power is transmitted by being connected to the chain 63, and the rear wheel 50 is accelerated and rotated on the driven shaft 73a of the transmission 70, and is vertically mounted to the rear of the support frame 10. The saddle 31 is fixed to the upper portion of the 30, the handle frame 22 is fixed to the upper portion of the first frame 20 Mini bike, characterized in that.
  2. 제 1항에 있어서, 상기 전륜(40)은,The method of claim 1, wherein the front wheel 40,
    5개의 날개가 방사형으로 장착된 브래킷(41)과 각각의 날개에 제1,2,3,4,5바퀴(40a)(40b)(40c)(40d)(40e)들이 장착되어 5개의 바퀴들이 1조를 이루는 오륜 구성으로 이루어진 것을 특징으로 하는 소형 자전거.Five blades are radially mounted, and the first, second, third, fourth and fifth wheels 40a, 40b, 40c, 40d and 40e are mounted on each wing. Small bike, characterized by consisting of a five-wheeled configuration consisting of a set.
  3. 제 1항에 있어서, 상기 변속기(70)는,The method of claim 1, wherein the transmission 70,
    상기 지지프레임(10)의 후방 케이스(70a)의 내부에 장착된 구동기어(71)에는 직경이 다른 아이들기어(72)와 종동기어(73)가 연속 결합되어 기어들의 변속비에 의한 가속 회전이 이루어지고, 구동기어(71)의 구동축(71a)에는 후방스프로킷(62)이 결합되어 전방스프로킷(61)과 체인(63)으로 연결되어 동력이 전달되며, 종동기어(73)의 종동축(73a)에는 후륜(50)이 결합되어 가속 회전되는 것을 특징으로 하는 소형 자전거.The driving gear 71 mounted in the rear case 70a of the support frame 10 is continuously coupled with the idle gear 72 and the driven gear 73 having different diameters to achieve acceleration rotation by the gear ratio of the gears. The rear sprocket 62 is coupled to the drive shaft 71a of the drive gear 71 and is connected to the front sprocket 61 and the chain 63 to transmit power, and the driven shaft 73a of the driven gear 73. There is a rear wheel (50) coupled to the compact bicycle, characterized in that the rotation is accelerated.
PCT/KR2016/009530 2015-09-07 2016-08-26 Small-sized bicycle WO2017043792A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201680011916.4A CN107257763A (en) 2015-09-07 2016-08-26 Minibike

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KR1020150126309A KR101650663B1 (en) 2015-09-07 2015-09-07 a small size bicycle
KR10-2015-0126309 2015-09-07

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KR (1) KR101650663B1 (en)
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KR200406949Y1 (en) * 2005-11-05 2006-01-23 이기혁 the wheel that can go up the stairs
KR20080000102U (en) * 2006-07-20 2008-01-24 흐수에-에 창 Wheel apparatus
JP2008290586A (en) * 2007-05-25 2008-12-04 Kei Matsumoto Bicycle with short overall length
KR101379916B1 (en) * 2012-07-17 2014-04-14 한서대학교 산학협력단 Bicycle having continuously variable transmission of motor mount

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CN201287811Y (en) * 2008-09-06 2009-08-12 卢永炼 Bicycle transmission device
CN201304045Y (en) * 2008-12-08 2009-09-09 张瑞钧 Flat ground staircase dual-purpose scooter
CN101700799B (en) * 2009-11-16 2011-08-24 西南交通大学 Portable folding bicycle
CN102139732A (en) * 2011-01-16 2011-08-03 袁鸣 Electric bicycle with front wheel formed by roller groups

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200263890Y1 (en) * 2000-09-21 2002-02-19 엄길용 kickboard
KR200406949Y1 (en) * 2005-11-05 2006-01-23 이기혁 the wheel that can go up the stairs
KR20080000102U (en) * 2006-07-20 2008-01-24 흐수에-에 창 Wheel apparatus
JP2008290586A (en) * 2007-05-25 2008-12-04 Kei Matsumoto Bicycle with short overall length
KR101379916B1 (en) * 2012-07-17 2014-04-14 한서대학교 산학협력단 Bicycle having continuously variable transmission of motor mount

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