KR890007369Y1 - Collapsible bicycle - Google Patents

Collapsible bicycle Download PDF

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Publication number
KR890007369Y1
KR890007369Y1 KR2019860021031U KR860021031U KR890007369Y1 KR 890007369 Y1 KR890007369 Y1 KR 890007369Y1 KR 2019860021031 U KR2019860021031 U KR 2019860021031U KR 860021031 U KR860021031 U KR 860021031U KR 890007369 Y1 KR890007369 Y1 KR 890007369Y1
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KR
South Korea
Prior art keywords
pedal
folded
handle
folding
frame
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KR2019860021031U
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Korean (ko)
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KR880012094U (en
Inventor
최영철
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최영철
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Priority to KR2019860021031U priority Critical patent/KR890007369Y1/en
Publication of KR880012094U publication Critical patent/KR880012094U/en
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Publication of KR890007369Y1 publication Critical patent/KR890007369Y1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K15/00Collapsible or foldable cycles
    • B62K15/006Collapsible or foldable cycles the frame being foldable
    • B62K15/008Collapsible or foldable cycles the frame being foldable foldable about 2 or more axes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K21/00Steering devices
    • B62K21/12Handlebars; Handlebar stems
    • B62K21/16Handlebars; Handlebar stems having adjustable parts therein
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K15/00Collapsible or foldable cycles
    • B62K2015/003Collapsible or foldable cycles having a foldable crank or pedal

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

내용 없음.No content.

Description

절첩용 자전거Folding bicycle

제1도는 본 고안의 펼친 상태도.1 is an expanded state of the present invention.

제2도는 본 고안의 절첩상태 사시도.2 is a perspective view of a folded state of the present invention.

제3(a)도는 본 고안 체대 횡축의 절첩부 분해 사시도, 제3(b)도는 제3(a)도의 A-A선 단면도.Fig. 3 (a) is an exploded perspective view of the folded portion of the present invention body horizontal axis, and Fig. 3 (b) is a sectional view taken along the line A-A of Fig. 3 (a).

제4(a)도는 본 고안 체대 횡축 절첩부의 절첩상태 발췌사시도, 제4(b)도는제4(a)도의 B-B선 단면도.Figure 4 (a) is a perspective view of the folded state of the present invention transverse axis folded portion, Figure 4 (b) is a cross-sectional view taken along line B-B of Figure 4 (a).

제5도는 본 고안의 체대 횡축의 연결부 발췌 분해 사시도.Figure 5 is an exploded perspective view of the connection portion of the transverse axis of the subject innovation.

제6도는 본 고안 폐달의 분해 사시도.6 is an exploded perspective view of the present invention.

제7도는 제6도의 결합상태 단면도.7 is a cross-sectional view of FIG.

제8(a)도는 본 고안 핸들 절첩부의 분해 사시도, 제8(b)도는 핸들의 걸림상태를 나타내는 발췌 단면도.FIG. 8 (a) is an exploded perspective view of the handle folding part of the present invention, and FIG. 8 (b) is an excerpt sectional view showing the locked state of the handle.

제9(a)도, 제9(b)도는 제3도의 다른 실시예를 나타내는 작동 상태 발췌도.9 (a) and 9 (b) are excerpts of the operating state showing another embodiment of FIG.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 후레임 2 : 핸들 지지축1 frame 2 handle support shaft

4, 5 : 전, 후륜 6 : 구동스프로켓4, 5: front, rear wheel 6: drive sprocket

7 : 폐달 9, 901 : 핸들7: lung month 9,901: handle

10, 11 : 횡축 13 : 삽입부10, 11: horizontal axis 13: insertion portion

15 : 고정부 16 : 볼트15: fixing part 16: bolt

19 : 나비넛트 21 : 연결구19: butterfly nut 21: connector

23 : 홈 25 : 록커23: home 25: rocker

29 : 고정편 30, 31 : 기어29: fixed piece 30, 31: gear

32, 33 : 걸림편 35 : 누름편32, 33: engaging piece 35: pressing piece

36, 37 : 록킹편36, 37: locking edition

본 고안의 1동작으로 자전거를 절첩토록하고 또 핸들부와 폐달부를 절첩토록하여 휴대 및 보관을 용이하게 할수 있도록 한 절첩용 자전거에 관한 것이다.The present invention relates to a folding bicycle that can be folded in one operation of the present invention and that the handle and the closed moon can be folded to facilitate carrying and storage.

종래에도 휴대 및 보관을 용이하게 하기 위하여 자전거를 접첩토록 한 것이 일부 안출된 바 있었으며, 이는 대부분이 횡축을 2개로 분할하여 이를 체결구로써 분리 가능토록 하였고 또 핸들부를 볼트 등으로 체결 또는 분리토록 구성되어 있었다.In the past, the folding of the bicycle was partly conceived in order to facilitate carrying and storage, and most of them divided the horizontal axis into two, so that it could be separated by a fastener, and the handle part was fastened or separated by bolts or the like. It was.

따라서, 상기한 종래의 것은 휴대 및 보관을 하기 위해 각부의 체결구를 해체시키고 자전거의 전륜과 후륜이 겹치도록 하여 절첩해야만 하므로서 절첩동작이 매우 불편하고 번거로웠으며 절첩후에도 전체적으로 부피가 의도한 바와같이 축소되지 않게되었고 또 절접을 하거나, 다시 펼치고져 할때는 별도의 도구를 이용해야만 하는 문제점이 있었다.Therefore, the above-described conventional folding and disassembly of the fasteners of each part in order to carry and store the folding and folding of the front and rear wheels of the bicycle, so folding operation is very inconvenient and cumbersome, as the overall volume as intended after folding There was a problem that it would not be reduced and when using a separate tool when making a cut or unfolding again.

본 고안의 상기와 같은 종래의 제반 문제점을 감안하여 별도의 도구 없이도 한번의 동작으로 간편하게 절첩이 가능하도록 하고 또 핸들 및 페달을 절첩하도록하여 절첩시 그 부피가 최소한으로 될수 있도록 안출한 것으로 이를 첨부한 도면에 의거하여 상세히 설명하면 다음과 같다.In view of the above-mentioned conventional problems of the present invention, it is possible to easily fold in one operation without a separate tool, and to fold the handle and pedal so that the volume can be minimized when folding. When described in detail based on the drawings as follows.

후레임(1)에 핸들지지축(2)가 안장(3)을 설치하고 후레임(1)의 전, 후에는 전, 후륜(4)(5)을 설치하며 후레임(1)의 중앙하방에는 구동스프로켓(6)과 페달(7)을 설치하여 체인(8)으로써 상기 후륜(5)을 구동토록하고 상기 핸들지지축(2)에는 조향수단인 핸들(9)(901)을 설치한 것에 있어서, 상기 후레임(1)와 핸들지지축(2) 사이에 횡축(10)(11)을 회동가능하게 설치하고 이들 양단에 절첩수단(A)을 구비하며, 상기 구동스프로켓(6)과 페달(7) 사이에는 페달 절첩수단(B)을 구비하고 상기 핸들지지축(2)에는 핸들 절첩수단(C)을 구비하며 상기 후레임(1)가 핸들지지축(2) 사이에는 견인줄(12)이 설치되어 구성되어 있다.The handle support shaft (2) installs the saddle (3) on the frame (1), and the front and rear wheels (4) (5) are installed before and after the frame (1), and the driving sprocket is located below the center of the frame (1). (6) and a pedal (7) are provided to drive the rear wheel (5) by a chain (8), and the handle support shaft (2) is provided with handles (9) (901) serving as steering means. Between the frame 1 and the handle support shaft 2, the transverse shafts 10 and 11 are rotatably provided and provided with folding means A at both ends, between the drive sprocket 6 and the pedal 7. It is provided with a pedal folding means (B) and the handle support shaft (2) is provided with a handle folding means (C) and the frame (1) between the handle support shaft (2) is configured by the traction cord 12 is installed have.

상기 절첩수단(A)은 제3도내지 제5도 및 제9도와 같이 구성되어 있고 제9도는 절첩 수단의 다른 실시예를 나타낸다.The folding means A is configured as shown in FIGS. 3 to 5 and 9 and FIG. 9 shows another embodiment of the folding means.

상기 절첩수단(A)은 제3도에서와 같이 회축(10)(11)으로 구성되고 이들의 양단에는 지지편(12)과 지지부(14)가 회동가능하게 설치되어 있으며 이들은 핸들 지지축(2)과 후레임(1)에 각각 설치되어 있다.The folding means (A) is composed of a rotating shaft (10, 11), as shown in Figure 3 and at both ends of the support piece 12 and the support portion 14 is rotatably installed, these handle handle shaft (2) ) And frame (1), respectively.

상기횡축(10)의 선단에는 삽입부(13)가 형성되어 있고 상기 횡축(11)의 선단에는 고정부(15)가 형성되어 있으며 이들은 볼트(16)와 넛트(18)로 체결되어 있고 상기 볼트(16)의 중앙나사부(17)에는 스프링(20)으로 탄력설치되는 나비넛트(19)가 설치되어 있다.Inserts 13 are formed at the tip of the transverse shaft 10, and fixing portions 15 are formed at the tips of the transverse shaft 11, which are fastened by bolts 16 and nuts 18. The central screw portion 17 of the 16 is provided with a butterfly nut 19 which is elastically installed by the spring 20.

또 제9도의 실시예에서와 같이 후레임(1)에 설치되는 횡축(111)에는 삽입홈(112)과 록커(113)를 설치하고 상기 횡축(111)에는 돌출봉(102)을 가진 횡축(101)을 축(103)으로 설치하되, 이들은 상호 탄력되게 설치하며 상기 각 횡축(101)(111)은 핸들지지축(2)과 후레임(1)에 각각 유설토록하여 절첩수단을 구성할수도 있다.In addition, as in the embodiment of FIG. 9, an insertion groove 112 and a locker 113 are installed in the horizontal axis 111 installed in the frame 1, and the horizontal axis 101 having the protruding rod 102 in the horizontal axis 111. ) Is installed as a shaft 103, they are installed to be mutually resilient and each horizontal axis (101, 111) may be folded to the handle support shaft (2) and the frame (1), respectively, to form a folding means.

상기 페달 절첩수단(B)은 제6도 및 제7도에서와 같이 구동스프로켓(6)의 축(601)이 연결구(21)를 스크류(24)로 고정시키고 이 연결구(21)의 홈(23)을 가진 삽입홈(22)에는 페달(7) 축(701)의 선단을 삽입시켜 넛트(27)로 설치하며 상기 페달의 축(701) 일방에는 스프링(26)으로 탄력설치 록커(25)를 설치하여 이를 상기 삽입공(22)의 홈(23)에 삽이시킬수 있도록 하고 상기 록커(25)에 해제로 페달(7)이 회전되어 절첩할수 있도록 구성되어 있다.The pedal folding means (B) is a shaft 601 of the drive sprocket (6) as shown in Figs. 6 and 7 is fixed to the connector 21 with a screw 24 and the groove 23 of the connector 21 Insert the end of the pedal (7) shaft 701 into the insertion groove 22 has a nut (27) installed in one side of the pedal shaft (701) of the pedal elastic spring installation locker (25) with a spring (26) It is installed so that it can be inserted into the groove 23 of the insertion hole 22 and the pedal 7 is rotated and released by the release to the locker 25.

상기 핸들 절첩수단(C)은 제8도에서와 같이 핸들지지축(2)에 삽입설치되고 전륜(4)에 연결된 핸들축(28) 상단에 고정편(29)을 고정설치하며 이의 양측에 서로 맞물리는 기어(30)(31)를 가진 핸들(9)(901)을 회전가능하게 설치하고 이들 핸들(9)(901)의 끝단 가까이에는 걸림편(32)(33)을 각각 형성하며, 상기 고정편(29)의 상부에는 핀 (34)을 중심으로 회동가능하게 누름편(35)을 설치하며 이의 양측에는 상기 핸들(9)(901)의 걸림편(32)(33)을 록킹하는 록킹편(36)(37)을 형성시키고 상기 누름편(35) 고정편(29) 사이에는 볼트(38)으로 지지되는 스프링(39)을 탄력설치하여 구성되어 있다.The handle folding means (C) as shown in Figure 8 is inserted into the handle support shaft (2) and is fixed to the fixing piece 29 on the top of the handle shaft 28 connected to the front wheel (4) and to each other on both sides thereof Handles 9 and 901 rotatably installed with engaging gears 30 and 31 are formed and engaging pieces 32 and 33 are respectively formed near the ends of the handles 9 and 901, respectively. The upper part of the fixing piece 29 is provided with a pressing piece 35 so as to be rotatable about a pin 34, and locking the locking pieces 32 and 33 of the handles 9 and 901 on both sides thereof. The pieces 36 and 37 are formed and the spring 39 supported by the bolt 38 is elastically installed between the pressing pieces 35 and the fixing pieces 29.

이상과 같이 구성된 본 고안은 제1도에서와 같이 자전거를 펼친 상태에서 사용하게되며, 사용후 이를 보관하거나 휴대할때는 각 절첩수단(A)(B)(C)을 이용해서 제2도와 같이 절첩하게 되는 것으로 이를 보다 상세히 설명하면 다음과 같다.The present invention configured as described above is used in a state in which the bicycle is opened as shown in FIG. 1, and when folded or stored after use, each folding means (A) (B) (C) is folded as shown in FIG. This will be described in more detail as follows.

즉, 제3(b)도는 본고안의 절첩수단(A)인 횡측(10)(11)이 서로 삽입되어 펼쳐진 상태이며, 이 상태에서 상기 볼트(16)의 나사부(17)에 체결된 나비넛트(19)를 풀면 스프링(20)이 탄발력이 약해지게되며 상기 횡축(10)(11)은 각각의 핸들지지축(2)과 후레임(1)에서 회동할수 있는 상태가 되고 이들 횡축(10)(11)을 회동시키면 횡축(11)의 고정부(15)에 삽입되었던 횡축(10)의 삽입부(13)가 이탈되면 이때 이들 횡축(10)(11)은 횡축(11)의 고정부(15)에 형성된 경사부를 따라 서로 이탈되면서 스프링(20)을 누르고 제4(a)도, 제4(b)도와 같이 서로 동일방향으로 나란히 있게 된다.That is, the third (b) is a state in which the transverse side 10 (11), which is the folding means (A) of the present invention, is inserted and unfolded, and in this state, the butterfly nut (fastened to the threaded portion 17 of the bolt 16) ( When the spring 20 is loosened, the elastic force is weakened, and the horizontal shafts 10 and 11 are rotatable in the respective handle supporting shafts 2 and the frame 1, and these horizontal shafts 10 ( When the 11 is rotated, the insertion part 13 of the horizontal axis 10 that has been inserted into the fixing part 15 of the horizontal axis 11 is disengaged. At this time, the horizontal axes 10 and 11 are fixed parts 15 of the horizontal axis 11. Pressing the spring 20 while being separated from each other along the inclined portion formed in the (4) and the fourth (a), as shown in the fourth (b) side by side in the same direction.

이와 같이 횡축(10)(11)에 의한 절첩수단(A)이 절첩될때 어느 한쪽 즉, 후레임(1)의 후륜(5)을 고정 시키게 되면, 상기 횡축(10)의 지지편(12)에 연결된 핸들지축(2)이 후륜(5)방향으로 이동되면 전륜(4)이 제2도와 같이 후륜(5)에 겹치는 상태로 절첩된다.As such, when the folding means A by the horizontal shafts 10 and 11 is folded, the rear wheel 5 of the frame 1 is fixed, which is connected to the support piece 12 of the horizontal shaft 10. When the handle support shaft 2 is moved in the rear wheel 5 direction, the front wheel 4 is folded in the state overlapping the rear wheel 5 as shown in FIG.

이때, 핸들지지축(2)과 후레임(1)에 각각 연결된 견일줄(12)은 늘어져 있는 상태로 되지만, 이는 금속제의 와이어로 되어 있어서 원형상태로 있게되어 타부속물에 걸리지는 않는다.At this time, the string 12 is connected to each of the handle support shaft 2 and the frame 1 is in a stretched state, but it is made of a metal wire so that it is in a circular state and is not caught by other attachments.

한편, 상기와 같이 절첩수단(A)이 절첩되어 전, 후륜(4)(5)이 절첩되면 양측으로 벌려져 있던 페달(7)과 핸들(9)(901)을 절첩시켜야 하는데, 페달(7)의 절첩은 제6도 및 제7도에서와 같이 구동스프로켓(6)의 축(601)에 삽입된 페달축(701)을 적어도 90이상 회전시킴으로써 절첩동작이 이루어진다.On the other hand, when the folding means (A) is folded as described above and the front and rear wheels (4) and (5) are folded, the pedals (7) and the handles (9) (901), which are open to both sides, must be folded. ) of the folded-back it is made is folded operation by rotating Figure 6, and claim the pedal shaft 701 is inserted into the shaft 601 of the drive sprocket 6, as shown in Figure 7, at least 90 o or more.

즉, 페달(7)의 축(701)에 설치된 록커(25)를 제7도와 같이 후퇴시키면 이는 스프링(26)을 압입하면서 연결구(21)의 삽입공(22) 일단에 형성된 홈(23)에서 록키(25)의 선단이 이탈하게 되면 페달축(701)은 회전 가능한 상태가 되고 이때 페달을 내측으로 회전시켜 절첩하게되며, 타측 페달도 상기와 같은 형태로 절첩시키게 된다.That is, when the rocker 25 installed on the shaft 701 of the pedal 7 is retracted as shown in FIG. 7, it is pressurized into the spring 26 and in the groove 23 formed at one end of the insertion hole 22 of the connector 21. When the front end of the lock key 25 is separated, the pedal shaft 701 is in a rotatable state. At this time, the pedal is rotated inward to be folded, and the other pedal is folded in the same manner as described above.

이와같이 페달 절첩수단(B)의 절첩이 완료되면, 최종적으로 핸들 절첩수단(C)를 절첩하게 되는데, 제8도에서와 같이 핸들 (9)(901)의 걸림편 (32)(33)을 걸고 있던 누름편(35)을 누르면, 이의 록킹편 (36)(37)이 하강되고 볼트(38)에 설치된 스프링(39)은 압압되며 상기 록킹편(36)(37)의 하강으로 핸들(9)(901)의 각 걸림편(32)(33)은 해방된다.When the folding of the pedal folding means (B) is completed in this way, the handle folding means (C) is finally folded. As shown in FIG. 8, the locking pieces (32) and (33) of the handles (9) and (901) are hooked. When the pressing piece 35 is pressed, its locking pieces 36 and 37 are lowered and the spring 39 installed on the bolt 38 is pressed and the handle 9 is lowered by the locking pieces 36 and 37. Each engaging piece 32, 33 of 901 is released.

이 상태에서 어느하나의 핸들(9)을 회전시키면 이의 기어(30)에 맞물린 기어(31)에 의해서 핸들(901)이 동시에 회전하여 절첩되고 누름편(35)은 스프링(39)의 탄발력으로 복귀되는데, 상기 걸림편(32)(33)과 록킹편(36)(37)을 상기의 반대방향으로 형성하고 록킹편(36)(37)을 가진 누름편(35)을 들어올려 절첩하더라도 핸들의 절첩은 가능하다.When one of the handles 9 is rotated in this state, the handles 901 are simultaneously rotated and folded by the gear 31 engaged with the gear 30 thereof, and the pressing piece 35 is driven by the spring force of the spring 39. It is returned, even if the locking pieces 32, 33 and the locking pieces 36, 37 are formed in the opposite directions and the pressing pieces 35 having the locking pieces 36, 37 are lifted and folded. Folding is possible.

이상과 같이 절첩이 완료되면, 제2도와 같은 상태가 되며 이를 운반할때는 구동스프로켓(6)의 일단을 잡고 후륜(5)을 굴리므로서 이동이 간편하게 이루어진다.When the folding is completed as described above, the state becomes as shown in FIG. 2 and when carrying it, the movement is easily performed by holding one end of the driving sprocket 6 and rolling the rear wheel 5.

한편, 상기과 같이 절첩된 상태에서 이를 다시 펼쳐 사용코저 할때는 상기의 각 절첩수단을 상기의 역으로 조작하여 펼치게 되는데, 핸들절첩수단(C)의 핸들(9)(901)을 들어올려 펼치면 이의 걸림편 (32)(33)이 누름편(35)의 록킹편(36)(37)에 걸려 펼친상태가 되고 페달절첩수단(B)의 페달(7)과 축(701)을 상기의 역으로 회전시키면, 스프링(26)의 탄력을 가진 록커(25)의 선단이 다시 연결구(21)의 삽입공(22)에 형성된 홈(23)에 삽입되어 페달의 회전으로 구동스프로켓(6)을 구동시킬수 있게되며 절첩수단(A)의 펼침을 위하여 후륜(5)을 고정시킨 상태에서 전륜(4)을 전방으로 이동시키면 후레임(1)과 핸들지지축(2)사이의 각 횡축(10)(11)이 일직선 상태로 되고, 이 상태에서 나비넛트(19)를 조임에 따라 스프링(20)이 압축되면서 횡축(11)의 고정부(15)내에 횡축(10)의 삽입구(13)를 삽입고정시켜 펼침동작이 완료하게 된다.On the other hand, when it is folded in the folded state as described above, the use of each of the above folding means to reverse the operation of the above, and to expand, the handle 9 (901) of the handle folding means (C) by lifting up and unfolding the engaging piece (32) and (33) are locked to the locking pieces (36) and (37) of the pressing piece (35) to be in an extended state, and the pedal (7) and the shaft (701) of the pedal folding means (B) are rotated in the reverse direction. The front end of the locker 25 having the elasticity of the spring 26 is inserted into the groove 23 formed in the insertion hole 22 of the connector 21 so that the driving sprocket 6 can be driven by the rotation of the pedal. When the front wheels 4 are moved forward while the rear wheels 5 are fixed to unfold the folding means A, the horizontal shafts 10 and 11 between the frame 1 and the handle support shaft 2 are straight. In this state, as the spring 20 is compressed by tightening the butterfly nut 19, the insertion opening 13 of the horizontal shaft 10 is fixed in the fixing portion 15 of the horizontal shaft 11. Insert is secured is a spread operation is completed.

이때 전, 후륜(4)(5)과 횡축(10)(11)및, 후레임(1)과 핸들지지축(2)의 과도한 펼침은 상기 후레임(1)과 핸들지지축(2)사이에 설치된 견인줄(12)에 의하여 방지된다.At this time, the front and rear wheels (4) (5) and the horizontal axis (10) (11), and excessive expansion of the frame (1) and the handle support shaft (2) is installed between the frame (1) and the handle support shaft (2) It is prevented by the tow line 12.

또한, 상기 절첩수단(A)을 제9도와 같이 구성할 경우 횡축(101)과 횡축(111)의 펼침고정은 횡축(101)의 돌출봉(102)에 횡축(111)의 삽입홈(112)이 삽입되도록하고 이를 록커(113)로써 고정시키며 이의 절첩은 제9(b)도와 같이 록커(113)를 해제시켜 절첩할수 있다.In addition, when the folding means (A) is configured as shown in FIG. 9, the unfolding fixing of the horizontal axis (101) and the horizontal axis (111) is the insertion groove (112) of the horizontal axis (111) on the protruding rod (102) of the horizontal axis (101). It is to be inserted and fixed by the locker 113 and its folding can be folded by releasing the locker 113 as shown in the ninth (b).

이상과 같은 본 고안은 별도의 도구를 필요로 하지 않고 각 절첩수단을 간편하고 용이하게 조작시켜 자전거를 절첩할수 있으며, 핸들과 페달을 절첩시킬수 있기때문에 절첩시의 부피를 최소한으로 줄일수 있고 이로써 자전거의 휴대 및 보관이 용이하며 절첩상태에서 펼쳤을때도 펼쳐진 상태가 견인줄 등에 의해 견고하게 되는 점등의 특징을 지닌 것이다.The present invention as described above can be folded by simply and easily manipulating each folding means without the need for a separate tool, and because the handle and the pedal can be folded to reduce the volume of the folding to a minimum, thereby It is easy to carry and store, and when it is unfolded in a folded state, the unfolded state is characterized by a lighting that is firmly made by a tow line.

Claims (1)

전, 후륜(4)(5)과 페달(7)및 핸들지지축(2)과 후레임(1)을 형성한 자전거에 있어서, 상기 후레임(1)과 핸들지지축(2)에 볼트(16)와 나비넛트(19) 및 스프링(20)에 의해 횡축(10)(11)이 절첩되는 절첩수단(A)과 페달(7)의 축(701)에 록커(25)를 설치하여 이 록커(25)가 구동스프로켓(6)의 연결구(21)에 록킹자재토록하고 페달(7)이 회전가능하도록 하는 페달절첩수단(B)과 기어(30)(31)와 걸림편(32)(33)을 가진 핸들(9)(901)을 고정편(29)에 설치하고 이를 록킹편(36)(37)이 형성된 누름편(35)으로 제어토록하여 상기 핸들을 절첩시킬수 있도록하는 핸들절첩수단(C)과를 연결구성하고 상기 후레임(1)과 핸들지지축(2)사이에는 견인줄(12)을 설치토록 구성하여서됨을 특징으로 하는 절첩용 자전거.In a bicycle having front and rear wheels (4) (5), a pedal (7) and a handle support shaft (2) and a frame (1), bolts (16) are attached to the frame (1) and the handle support shaft (2). And the locker 25 is provided on the folding means A and the shaft 701 of the pedal 7 on which the transverse shafts 10 and 11 are folded by the butterfly nut 19 and the spring 20. ), The pedal folding means (B) and the gears (30) (31) and the engaging pieces (32) (33) to lock the connector (21) of the drive sprocket (6) and to allow the pedal (7) to rotate. Handle folding means (C) for installing the excitation handles (9) (901) to the fixed piece (29) and control them to the pressing piece (35) in which the locking pieces (36) (37) are formed. The folding bicycle, characterized in that configured to install a tow line 12 between the frame (1) and the handle support shaft (2).
KR2019860021031U 1986-12-24 1986-12-24 Collapsible bicycle KR890007369Y1 (en)

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KR2019860021031U KR890007369Y1 (en) 1986-12-24 1986-12-24 Collapsible bicycle

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KR2019860021031U KR890007369Y1 (en) 1986-12-24 1986-12-24 Collapsible bicycle

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KR880012094U KR880012094U (en) 1988-08-26
KR890007369Y1 true KR890007369Y1 (en) 1989-10-25

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