KR20210022862A - Bevel-gear box for bike - Google Patents

Bevel-gear box for bike Download PDF

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Publication number
KR20210022862A
KR20210022862A KR1020190102137A KR20190102137A KR20210022862A KR 20210022862 A KR20210022862 A KR 20210022862A KR 1020190102137 A KR1020190102137 A KR 1020190102137A KR 20190102137 A KR20190102137 A KR 20190102137A KR 20210022862 A KR20210022862 A KR 20210022862A
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South Korea
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stem
front wheel
bevel gear
rear wheel
wheel
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KR1020190102137A
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Korean (ko)
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KR102345576B1 (en
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박경희
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박경희
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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
    • B62K15/00—Collapsible or foldable cycles
    • B62K15/006—Collapsible or foldable cycles the frame being foldable
    • B62K15/008—Collapsible or foldable cycles the frame being foldable foldable about 2 or more axes
    • 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
    • B62K21/00—Steering devices
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/038—Gearboxes for accommodating bevel gears

Abstract

The present invention relates to a front-wheel drive bicycle which drives by directly driving a front wheel used to change direction. More particularly, the present invention relates to a more efficient configuration of a bevel gearbox of a front-wheel drive folding bicycle, which comprises: a front wheel part (100) including a handle stem (162) and a front wheel stem (110); a rear wheel part (200) including a rear wheel stem (210); and a bevel gearbox (300) including a bevel gear (bb) that connects the front wheel part (100) to the rear wheel part (200) so that a folding operation is performed and operates to perform a steering operation.

Description

전륜구동 접이식 자전거의 베벨기어박스{BEVEL-GEAR BOX FOR BIKE}Bevel gear box for front-wheel drive folding bike {BEVEL-GEAR BOX FOR BIKE}

본 발명은 사람의 힘을 동력원으로 하여서 주행을 하는 자전거에 대한 것이다. 더욱 상세하게는, 방향전환을 위한 조향작용을 수행하기 위하여 사용되는 전륜을 직접 구동하여 주행하는 형태의 전륜구동 자전거에 대한 것으로서, 전륜구동에 더하여 휴대보관이 용이하도록 절첩 기능을 함께 구비하여 제공되는 전륜구동 접이식 자전거의 베벨기어박스에 대한 것이다.The present invention relates to a bicycle that runs by using human power as a power source. More specifically, it is for a front wheel drive bicycle in the form of driving by directly driving the front wheel used to perform a steering action for direction change, and is provided with a folding function to facilitate portable storage in addition to the front wheel drive. It is about the bevel gearbox of a front-wheel drive folding bicycle.

종래에는 조향작용을 수행하도록 된 자전거의 전륜만을 별도로 구동할 수단이 간헐적으로 제시되어 왔다. 그러나 종래기술의 공통적인 특징은, 운전자가 핸들을 틀어서 전륜에 조향작용을 가할 때 전륜의 방향이 좌우 어느 한 쪽으로 전환되어 틀어질 때, 전륜에 설치된 페달에 구동력을 가하는 사용자의 발이 지속적인 구동력을 가할 수 없는 문제가 발생하게 된다.Conventionally, a means for separately driving only the front wheel of a bicycle, which is intended to perform a steering action, has been intermittently proposed. However, a common feature of the prior art is that when the driver turns the steering wheel to apply a steering action to the front wheel, the user's foot applying the driving force to the pedal installed on the front wheel can continuously apply the driving force when the direction of the front wheel is switched to either left or right. There will be a problem that cannot be done.

이와 같은 점을 개선하고자 본 발명의 발명자에 의하여 제안된 등록특허 제1247098(2013.03.19.)호가 제공되어 있다.In order to improve this point, there is provided Patent No. 1247098 (2013.03.19.) proposed by the inventor of the present invention.

여기에서, 상기 등록특허는 전륜구동 형태의 자전거에 관한 것으로서,Here, the registered patent relates to a front-wheel drive type bicycle,

전륜스템과, 상기 전륜스템의 상단에 결합되는 안장과, 상기 전륜스템의 하단에 결합되는 전륜과, 상기 전륜을 구동하는 구동부로 이루어진 전륜부와,A front wheel portion comprising a front wheel stem, a saddle coupled to an upper end of the front wheel stem, a front wheel coupled to a lower end of the front wheel stem, and a drive unit for driving the front wheel,

후륜스템과, 하단이 상기 후륜스템의 상단에 결합되며, 핸들 및 핸들스템을 포함하는 핸들부와, 상기 후륜스템의 하단에 결합되는 후륜을 포함하는 후륜부 이루어져서,The rear wheel stem and the lower end are coupled to the upper end of the rear wheel stem, and a handle portion including a handle and a handle stem, and a rear wheel portion including a rear wheel coupled to the lower end of the rear wheel stem,

상기 전륜부와 상기 후륜부가 서로 절첩 가능한 형태를 취한다. 이때, 상기 후륜스템의 상단과 상기 핸들스템의 하단은 조향축받이를 통하여 힌지결합되고 또 회전 각도를 바꾸는 베벨기어로 이가 맞물림이 되어 구성된다.The front wheel portion and the rear wheel portion take a form that can be folded to each other. At this time, the upper end of the rear wheel stem and the lower end of the handle stem are hinged through a steering shaft, and are configured by engaging teeth with a bevel gear that changes the rotation angle.

상기 핸들을 회전시켜서 전륜의 방향조향을 조향조작하여 회전시키면 상기 조향축받이를 회전축으로하여 상기 전륜스템이 좌우로 회전하고 이에 따라 상기 전륜이 지면의 접촉점에 대하여 방향전환을 하도록 구성된다.When the steering wheel is rotated to steer and rotate the front wheel by steering operation, the front wheel stem rotates left and right using the steering shaft support as a rotation axis, and accordingly, the front wheel is configured to change direction with respect to the contact point of the ground.

본 발명은 보다 효과적으로 휴대용 자전거의 절첩작용이 이루어지고, 자전거의 전륜이 베벨기어의 작용으로 조향이 이루어지도록 작동요소인 전륜구동 접이식 자전거의 베벨기어박스를 제공하고자 한다.An object of the present invention is to provide a bevel gear box of a front-wheel drive folding bicycle as an operating element so that the folding action of the portable bicycle is more effectively performed and the front wheel of the bicycle is steered by the action of the bevel gear.

본 발명의 전륜구동 접이식 자전거의 베벨기어박스는 상기와 같은 과제를 달성하고자 제안되는 것으로서,The bevel gear box of the front-wheel drive folding bicycle of the present invention is proposed to achieve the above-described problems,

핸들(161)이 부착된 핸들스템(162)(160) 및 전륜(130)이 장착된 전륜스템(110)을 포함하여 이루어지는 전륜부(100)와,A front wheel part 100 comprising a handle stem 162 and 160 to which the handle 161 is attached and a front wheel stem 110 to which the front wheel 130 is attached,

후륜(230)이 장착된 후륜스템(210)을 포함하여 이루어지는 후륜부(200)와,A rear wheel part 200 comprising a rear wheel stem 210 on which the rear wheel 230 is mounted,

상기 전륜부(100)와 상기 후륜부(200)를 절첩작동이 수행되도록 연결하며, 조향작동을 수행하도록 작동하는 베벨기어(bb)를 포함하여 이루어지는 베벨기어박스(300)로 구성되는 전륜구동 접이식 자전거에 있어서,Front-wheel drive folding consisting of a bevel gear box 300 comprising a bevel gear (bb) that connects the front wheel part 100 and the rear wheel part 200 to perform a folding operation and operates to perform a steering operation As for the bicycle,

상기 베벨기어박스(300)는 베벨기어(bb)를 이용하여 상기 전륜(130)의 조향이 이루어지며 아울러, 가위처럼 절첩될 수 있도록 제공되는 것으로서, 전륜스템축받이부(310) 및 후륜스템축받이부(320)를 포함하고,The bevel gear box 300 is provided so that the front wheel 130 is steered using a bevel gear bb and can be folded like scissors, and the front stem shaft support part 310 and the rear stem stem support part Including (320),

상기 전륜스템축받이부(310)는,The front wheel stem bearing part 310,

상기 후륜스템축받이부(320)와 결합(고정)될 수 있는 전륜스템축받이부의 결착면(312)을 갖고, 상기 전륜스템축받이부의 결착면(312)의 좌우측 에지가 각각 절곡되어 전방으로 한 쌍 돌출하여 구성된 절첩축받이면(311)을 갖고 전체적으로 ㄷ 형태를 취하며,It has a front wheel stem bearing portion fastening surface 312 that can be coupled (fixed) with the rear wheel stem bearing portion 320, and the left and right edges of the fastening surface 312 of the front wheel stem bearing portion are respectively bent to protrude a pair of forwards. It has a folded bearing face 311 constructed by doing so and takes the form of ③ as a whole,

상기 전륜스템축받이부의 결착면(312)은,The fastening surface 312 of the front wheel stem bearing portion,

사각형상을 취하며 상기 사각형상의 각 꼭지점 측에(근방에) 볼트 결합공이 형성되어서 하기 후륜스템축받이부의 결착면(322)에 대하여 볼트로 조여지고, 사각형상의 중심에는 핸들스템(160)의 후단을 고정할 핸들스템회전축(331a)이 통과되어 베벨기어(bb)와 결착되도록 수평으로 핸들스템회전축 축받이공(aa)이 천공되어(구멍이 뚫려 형성되어) 구성되고,It takes a square shape, and a bolt coupling hole is formed at (near) each vertex of the square shape, and is fastened with a bolt against the fastening surface 322 of the rear wheel stem bearing part below, and the rear end of the handle stem 160 is located at the center of the square shape. The handle stem rotation shaft (331a) to be fixed is passed through the bevel gear (bb) and the handle stem rotation shaft bearing hole (aa) is drilled horizontally (a hole is formed) so that it is connected to the bevel gear (bb).

상기 절첩축받이면(311)은,The folded bearing surface 311 is,

좌우 각 외측면에 좌우 한 쌍으로 제공되는 전륜스템(110)의 상단과 축결합을 하도록 전륜스템 축받이공(311a)이 천공되며, 이를 통하여 상기 전륜스템(110)이 전후방으로 스윙하여 펼쳐지거나 접힐 수 있도록 작동하고,The front wheel stem bearing hole 311a is perforated to axially engage the upper end of the front wheel stem 110 provided in a pair of left and right on each of the left and right outer surfaces, and through this, the front wheel stem 110 swings forward and backward to unfold or fold. Work to be able to,

상기 후륜스템축받이부(320)는.The rear wheel stem bearing part 320 is.

상기 전륜스템축받이부(310)와 결합될 수 있는 후륜스템축받이부의 결착면(322)를 갖고, 상기 후륜스템축받이부의 결착면(322)의 상하측 에지가 각각 절곡되어 후방으로 한 쌍 돌출하여 구성된 후륜스템회전 축받이면(321)을 갖고 전체적으로 ㄷ 형태를 취하며,It has a rear wheel stem bearing portion engaging surface 322 that can be coupled with the front wheel stem bearing portion 310, and the upper and lower edges of the engaging surface 322 of the rear wheel stem bearing portion are each bent to protrude a pair of rearward. It has a rear wheel stem rotation shaft support face (321), and takes the form of C as a whole,

상기 후륜스템축받이부의 결착면(322)은,The coupling surface 322 of the rear wheel stem bearing portion,

사각형상을 취하며 상기 사각형상의 각 꼭지점 측에(근방에) 볼트 결합공이 형성되어서 상기 전륜스템축받이부의 결착면(312)과 볼트로 단단히 조여져서 한 몸체를 이루도록 구성되고, 사각형상의 중심에는 상기 핸들스템회전축(331a) 통과되어 베벨기어(bb)와 결착되도록 수평으로 핸들스템회전축 축받이공(aa)이 천공되어(구멍이 뚫려 형성, 구성되어), 상기 핸들스템(160)은 상기 전륜스템축받이부의 결착면(312) 측의 핸들스템회전축 축받이공(aa)과 상기 후륜스템축받이부의 결착면(322) 측의 핸들스템회전축 축받이공(aa)을 일시에 통과하여 축받이를 받도록 구성되고,It takes a square shape, and a bolt coupling hole is formed at (near) each vertex side of the square shape, and is configured to form a body by being firmly tightened with a bolt with the fastening surface 312 of the front wheel stem bearing part, and the handle at the center of the square shape The handle stem rotation shaft bearing hole (aa) is drilled horizontally so that the stem rotation shaft (331a) passes and is coupled to the bevel gear (bb) (formed and constituted by drilling a hole), and the handle stem 160 is It is configured to receive the bearing by passing through the handle stem rotation shaft bearing hole (aa) on the side of the fastening surface 312 and the handle stem rotation shaft bearing hole (aa) on the fastening surface 322 of the rear wheel stem bearing portion,

상기 후륜스템회전 축받이면(321)은,If the rear wheel stem rotation shaft receiving surface 321,

사각형상을 취하며 상기 사각형상의 중심에는 수직으로 후륜스템회전 축받이공(321a)이 천공되어서 후륜스템회전축(332a)이 통과되어 축받이되고,It takes a square shape, and a rear wheel stem rotation shaft receiving hole 321a is vertically perforated at the center of the square shape, and the rear wheel stem rotation shaft 332a is passed through to support the shaft,

베벨기어(bb)를 통하여 조향작동을 수행하기 위하여 상기 후륜스템축받이부(320)의 내부에는,In order to perform a steering operation through a bevel gear (bb), the inside of the rear wheel stem bearing part 320,

구동베벨기어(331b)가 상기 핸들스템회전축(331a)의 후단에 고정(구비)되고,The driving bevel gear 331b is fixed (equipped) to the rear end of the handle stem rotation shaft 331a,

종동베벨기어(332b)가 상기 후륜스템회전축(332a)의 몸체에 고정되고,A driven bevel gear (332b) is fixed to the body of the rear wheel stem rotation shaft (332a),

상기 구동베벨기어(331b) 및 상기 종동베벨기어(332b)는 각을 두고 결치되어서 베벨기어(bb)를 구성하는,The driving bevel gear 331b and the driven bevel gear 332b are connected at an angle to form a bevel gear bb,

것을 특징으로 한다.It is characterized by that.

본 발명의 전륜구동 접이식 자전거의 베벨기어박스에 따르면, 보다 편리하고 효과적으로 휴대용 자전거의 절첩작용이 이루어지고, 자전거의 전륜이 베벨기어의 장착이 용이하여서 산업상 이용 가능성을 높일 수 있다.According to the bevel gear box of the front-wheel drive folding bicycle of the present invention, the folding action of the portable bicycle is made more conveniently and effectively, and the front wheel of the bicycle is easily mounted with the bevel gear, thereby increasing the possibility of industrial use.

도 1은 본 발명과 관련하여서 종래기술의 일 실시례를 예시하여 보인 도면이다.
도 2는 전륜구동 접이식 자전거의 베벨기어박스를 장착한 자전거의 측면도를 예시하여 보인 것이다.
도 3은 전륜구동 접이식 자전거의 베벨기어박스의 조립된 전체모습을 보인 사시도이다.
도 4는 전륜구동 접이식 자전거의 베벨기어박스의 조립된 전체모습을 다른 방향에서 보인 사시도이다.
도 5는 전륜구동 접이식 자전거의 베벨기어박스의 분해된 전체 모습을 예시하여 보인 분해사시도이다.1 is a diagram illustrating an embodiment of the prior art in connection with the present invention.
2 is a side view of a bicycle equipped with a bevel gear box of a front-wheel drive folding bicycle.
3 is a perspective view showing an assembled overall view of a bevel gear box of a front-wheel drive folding bicycle.
4 is a perspective view showing the assembled overall view of the bevel gear box of the front-wheel drive folding bicycle from another direction.
5 is an exploded perspective view illustrating the entire disassembled state of a bevel gear box of a front-wheel drive folding bicycle.

이하, 본 발명의 실시례를 예시한다.Hereinafter, examples of the present invention are illustrated.

본 발명에 첨부된 도면을 참조하여 본 발명 전륜구동 접이식 자전거의 베벨기어박스에 관하여 보다 상세하게 알아보기로 한다.With reference to the accompanying drawings in the present invention will be described in more detail with respect to the bevel gear box of the present invention front-wheel drive folding bicycle.

본 발명은 도 1과 같은 종래기술의 전륜구동 접이식 자전거에 적용되는 구성체로서 먼저, 전륜구동 접이식 자전거를 간략히 살펴보면,The present invention is a structure applied to a conventional front-wheel drive folding bicycle as shown in Figure 1, first, briefly looking at the front-wheel drive folding bicycle,

핸들이 부착된 핸들스템(160) 및 전륜이 장착된 전륜스템(110)을 포함하여 이루어지는 전륜부(100)와,A front wheel part 100 comprising a handle stem 160 to which a handle is attached and a front wheel stem 110 to which a front wheel is mounted,

후륜이 장착된 후륜스템(210)을 포함하여 이루어지는 후륜부(200)와,A rear wheel part 200 comprising a rear wheel stem 210 on which the rear wheel is mounted,

상기 전륜부(100)와 상기 후륜부(200)를 연결하며, 조향작동(방향전환 작동)과 절첩작동(접고 펼치는 작동)을 함께 수행하도록 작용하는 장치를 포함하여 제공되고 있다.It is provided including a device that connects the front wheel part 100 and the rear wheel part 200 and acts to perform a steering operation (direction switching operation) and a folding operation (folding and unfolding operation) together.

본 발명에서 상기 조향작동과 절첩작동을 함께 수행하도록 동작하는 장치는 베벨기어박스(300)로서 상기 베벨기어박스(300)는 그 내부에 베벨기어(bb)를 포함하여 이루어지는 구성이을 갖고 있다.In the present invention, the apparatus operating to perform the steering operation and the folding operation together is a bevel gear box 300, and the bevel gear box 300 has a configuration including a bevel gear bb therein.

본 발명에서 상기 베벨기어박스(300)는 두 기어가 직각, 예각 또는 둔각의 각을 이루면서 결치(이가 맞물림)된 베벨기어(bb)를 이용하여 전륜의 조향이 이루어진다. 이러한 작용에 더하여, 가위처럼 절첩될 수 있는 기능이 함께 제공되는 것이다.In the present invention, in the bevel gear box 300, the front wheel is steered using a bevel gear bb in which two gears form a right angle, an acute angle, or an obtuse angle. In addition to this function, it is provided with a function that can be folded like scissors.

여기에서, 상기 두 기어의 각도에 관한 사항은 제작시에 안장과 핸들(또는 핸들스템(160))의 상대적인 높이차이나 거리차이 따라서 달라질 수 있다.Here, the matters relating to the angles of the two gears may vary according to the relative height difference or distance difference between the saddle and the handle (or handle stem 160) at the time of manufacture.

구성에 있어서 상기 베벨기어박스(300)는 전륜스템축받이부(310) 및 후륜스템축받이부(320)를 분리하여 제작하며 이를 하나로 결합하여 제공되도록 이루어진다.In the configuration, the bevel gear box 300 is manufactured by separating the front wheel stem bearing portion 310 and the rear wheel stem bearing portion 320, and combining them into one.

이와 같이 전륜스템축받이부(310)와 후륜스템축받이부(320)를 분할하여 제작된 구성을 통하여 양산에 있어서 전륜스템(110)의 절첩에 필요한 전륜스템축받이부(310) 부재의 강도, 형태, 규격을 후륜스템축받이부(320)에 구속되지 않고 제작하여서 작업효율 및 부재의 활용효율을 높일 수 있다.In this way, through a configuration manufactured by dividing the front stem bearing portion 310 and the rear wheel stem bearing portion 320, the strength, shape, and strength of the front stem bearing portion 310 member required for folding of the front wheel stem 110 in mass production By manufacturing the standard without being restricted to the rear wheel stem bearing part 320, it is possible to increase the working efficiency and the utilization efficiency of the member.

상술한 바와 반대로, 베벨기어(bb)의 장착을 위하여 요구되는 제 규격, 강도 형태 등을 전륜스템축받이부(310)에 구애받지 않고 구속됨이 없이 자유롭게 설계하고 제작할 수 있어서 작업효율 및 부재의 활용도를 높일 수 있다.Contrary to the above, it is possible to freely design and manufacture the standard and strength forms required for mounting the bevel gear (bb) without being constrained by the front wheel stem bearing part 310, thus working efficiency and utilization of members. Can increase.

그리고 어느 한 쪽에 손상이 발생하는 경우 그 부분만 별도로 분리하여 교체가 가능하며, 사용자가 교체되거나 사용자의 요구사항이 달라져서 핸들 및 핸들스템(160)의 배치가 다시 이루어져야 하는 경우 베벨기어박스(300) 전체를 교체하지 않고 전륜스템축받이부(310)만 적절하게 교체하여 대응시킬 수가 있는 것이다.And if damage to either side occurs, only the part can be separated and replaced, and when the user is replaced or the user's requirements are changed and the arrangement of the handle and the handle stem 160 needs to be re-arranged, the bevel gear box 300 It is possible to respond by appropriately replacing only the front wheel stem shaft support part 310 without replacing the whole.

여기서 상기 전륜스템축받이부(310)는,Here, the front wheel stem bearing part 310,

상기 후륜스템축받이부(320)와 결합(고정, 결착)될 수 있는 전륜스템축받이부의 결착면(312)을 갖고(형성, 구비하고), 상기 전륜스템축받이부의 결착면(312)의 좌우측 에지가 각각 절곡(꺽어짐)되어 전방으로 한 쌍 돌출하여 구성된 절첩축받이면(311)을 갖고 전체적으로 ㄷ 형태를 취하여 제공된다.It has (formed, provided) a front wheel stem bearing portion fastening surface 312 that can be coupled (fixed, fastened) to the rear wheel stem bearing portion 320, and the left and right edges of the fastening surface 312 of the front wheel stem bearing portion are Each is bent (bent) and has a folded shaft receiving surface 311 configured to protrude a pair of forwards, and is provided in a form of ③ as a whole.

더욱 상세하게 상기 전륜스템축받이부의 결착면(312)은,In more detail, the fastening surface 312 of the front wheel stem bearing portion,

대략 사각형상을 취하며 상기 사각형상의 각 꼭지점 4곳 근방에 볼트 결합공이 형성된다. 상기 결합공은 하기 후륜스템축받이부의 결착면(322)의 결합공과 일치된 후 볼트를 통과시켜 조여지고, 사각형상의 중심에는 핸들스템(160)의 후단을 고정할 핸들스템회전축(331a)이 통과되어 베벨기어(bb)와 결착되도록 수평으로 핸들스템회전축 축받이공(aa)이 천공되어(구멍이 뚫려 형성되어) 구성된다.It takes an approximately square shape, and a bolt coupling hole is formed in the vicinity of each of the four vertices of the square shape. The coupling hole is tightened by passing a bolt after matching the coupling hole of the coupling surface 322 of the following rear wheel stem shaft support portion, and a handle stem rotation shaft (331a) to fix the rear end of the handle stem 160 is passed through the center of the square. The handle stem rotation shaft bearing hole (aa) is drilled horizontally so as to be engaged with the bevel gear (bb) (a hole is formed).

더욱 상세하게 상기 절첩축받이면(311)은,In more detail, the folded bearing surface 311,

좌우 각 외측면에 좌우 한 쌍으로 제공되는 전륜스템(110)이 부착되는데 이때, 좌우측 각 전륜스템(110)의 상단에 절첩을 위한 결합축이 형성되어서 이곳과 축결합을 하도록 전륜스템 축받이공(311a)이 천공된다.A front wheel stem 110 provided in a pair of left and right sides is attached to each of the left and right outer surfaces, and at this time, a coupling shaft for folding is formed at the top of each of the left and right front wheel stems 110 so that the front wheel stem bearing hole ( 311a) is perforated.

이를 통하여 상기 전륜스템(110)의 하단이 전후방으로 스윙하여 전륜스템(110)이 후륜스템(210)에 대하여 휴대시에 포개어져 접히거나 반대로 사용시에 펼쳐질 수 있도록 작동하게 된다. 이때, 절첩된 상태 및 펼쳐져 전개된 상태가 유지되도록 공지된 시건장치(잠금장치)를 구성할 수 있다.Through this, the lower end of the front wheel stem 110 swings forward and backward, so that the front wheel stem 110 is folded and folded with respect to the rear wheel stem 210 when carrying, or vice versa. At this time, a known locking device (locking device) may be configured to maintain the folded state and the unfolded state.

그리고 상기 후륜스템축받이부(320)는.And the rear wheel stem bearing part 320 is.

상기 전륜스템축받이부(310)와 결합될 수 있는 후륜스템축받이부의 결착면(322)를 포함하며, 상기 후륜스템축받이부의 결착면(322)의 상하측 에지가 각각 절곡되어 후방으로 한 쌍 수평하게 돌출하여 구성된 후륜스템회전 축받이면(321)을 갖고, 전체적으로 ㄷ 형태를 취하여 구성된다.It includes a rear wheel stem bearing portion fastening surface 322 that can be coupled with the front wheel stem bearing portion 310, and the upper and lower edges of the fastening surface 322 of the rear wheel stem bearing portion are respectively bent to a pair horizontally to the rear. It has a rear wheel stem rotation shaft receiving surface 321 configured to protrude, and is configured to take the shape of as a whole.

더욱 상세하게 상기 후륜스템축받이부의 결착면(322)은,In more detail, the coupling surface 322 of the rear wheel stem bearing portion,

대략 사각형상을 취하며 상기 사각형상의 각 꼭지점 근방 4곳에 볼트 결합공이 형성된다. 상기 후륜스템축받이부의 결착면(322)은 상기 전륜스템축받이부의 결착면(312)과 면이 접촉하여 맞대어진 후, 상기 볼트 결합공을 볼트로 단단히 조여져서 한 몸체를 이루도록 결합된다.It takes an approximately square shape, and bolt coupling holes are formed in four places near each vertex of the square shape. The rear wheel stem shaft receiving portion fastening surface 322 is abutted by contacting the fastening surface 312 of the front wheel stem stem receiving part, and then the bolt coupling hole is tightly tightened with a bolt to form one body.

더하여, 상기 사각형상의 중심에는 상기 핸들스템회전축(331a)이 통과되어 베벨기어(bb)와 결착되도록 수평으로 구멍이 뚫린 핸들스템회전축 축받이공(aa)이 천공, 형성된다. 여기서, 상기 핸들스템(160)은 상기 전륜스템축받이부의 결착면(312) 측의 핸들스템회전축 축받이공(aa)과 상기 후륜스템축받이부의 결착면(322) 측의 핸들스템회전축 축받이공(aa)을 일시에 통과하여 축받이를 받도록 구성된다.In addition, in the center of the square shape, the handle stem rotation shaft 331a is passed through and a handle stem rotation shaft bearing hole (aa), which is horizontally drilled so as to be coupled with the bevel gear (bb), is drilled and formed. Here, the handle stem 160 is a handle stem rotation shaft bearing hole (aa) on the side of the fastening surface 312 of the front wheel stem bearing portion and a handle stem rotation shaft bearing hole (aa) on the side of the fastening surface 322 of the rear wheel stem bearing portion. It is configured to receive a bearing by passing through it at a time.

더욱 상세하게 상기 후륜스템회전 축받이면(321)은,In more detail, the rear wheel stem rotation shaft receiving surface 321,

대략 사각형상을 취하며 상기 사각형상의 중심에는 수직으로 후륜스템회전 축받이공(321a)이 천공된다. 이곳에 상기 후륜스템회전축(332a)가 통과되어 축받이 되는 것이다.It takes a substantially square shape, and a rear wheel stem rotation bearing hole 321a is vertically perforated at the center of the square shape. Here, the rear wheel stem rotation shaft 332a is passed to serve as a bearing.

한편, 상기 베벨기어(bb)를 통하여 유효한 조향작동이 수행되도록 상기 후륜스템축받이부(320)의 내부에 마련된 기어룸에는,On the other hand, in the gear room provided inside the rear wheel stem shaft support part 320 so that effective steering operation is performed through the bevel gear (bb),

구동베벨기어(331b)가 상기 핸들스템회전축(331a)의 후단에 고정(구비)되고, 종동베벨기어(332b)가 상기 후륜스템회전축(332a)의 몸체에 고정되고, 상기 구동베벨기어(331b) 및 상기 종동베벨기어(332b)는 제작시에 기 설정된 각을 두고 결치되어서 베벨기어(bb)가 구성되어 사용에 제공된다.A driving bevel gear 331b is fixed (equipped) to the rear end of the handle stem rotating shaft 331a, a driven bevel gear 332b is fixed to the body of the rear wheel stem rotating shaft 332a, and the driving bevel gear 331b And the driven bevel gear 332b is connected at a predetermined angle at the time of manufacture, so that the bevel gear bb is configured and provided for use.

베벨기어박스(300)
전륜스템축받이부(310)
후륜스템축받이부(320)
전륜스템축받이부의 결착면(312)
절첩축받이면(311)
후륜스템축받이부의 결착면(322)
핸들스템회전축(331a)
핸들스템회전축 축받이공(aa)
전륜스템 축받이공(311a)
후륜스템축받이부의 결착면(322)Bevel Gear Box(300)
Front wheel stem bearing (310)
Rear wheel stem bearing part (320)
Attachment surface (312) of the front wheel stem bearing part
Folded bearing surface (311)
Mounting surface (322) of rear wheel stem bearing
Handle stem rotation shaft (331a)
Handle stem rotation shaft bearing hole (aa)
Front stem bearing hole (311a)
Mounting surface (322) of rear wheel stem bearing

Claims (1)

핸들스템 및 전륜스템을 포함하여 이루어지는 전륜부와,
후륜스템을 포함하여 이루어지는 후륜부와,
상기 전륜부와 상기 후륜부를 절첩작동이 수행되도록 연결하며, 베벨기어를 통하여 조향작동이 수행되도록 구성되는 베벨기어박스를 포함하는 전륜구동 접이식 자전거에 있어서,
상기 베벨기어박스는 전륜스템축받이부 및 후륜스템축받이부를 포함하는 것을 특징으로 하는 전륜구동 접이식 자전거의 베벨기어박스.A front wheel portion comprising a handle stem and a front wheel stem;
A rear wheel portion including a rear wheel stem,
In the front wheel drive folding bicycle including a bevel gear box configured to connect the front wheel part and the rear wheel part to perform a folding operation, and perform a steering operation through a bevel gear,
The bevel gear box is a bevel gear box of a front wheel drive folding bicycle, characterized in that it comprises a front wheel stem bearing portion and a rear wheel stem bearing portion.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021182835A1 (en) 2020-03-11 2021-09-16 주식회사 엘지에너지솔루션 Button-type secondary battery

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS525132A (en) * 1975-07-01 1977-01-14 Yaichi Watanabe Bicycle
JP3143801U (en) * 2008-05-26 2008-08-07 大衍國際股▲分▼有限公司 Folding bike
JP2010018173A (en) * 2008-07-11 2010-01-28 Atsushi Kajikawa Folding three-wheel bicycle of x-shaped frame
KR20110000541A (en) * 2010-12-15 2011-01-03 박경희 All-wheel drive
KR20120025098A (en) * 2010-09-07 2012-03-15 전정호 The bicycle with rear wheel steering
KR20120066734A (en) * 2010-12-15 2012-06-25 박경희 A

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3143801B2 (en) 1991-06-11 2001-03-07 日本真空技術株式会社 Ion plating equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS525132A (en) * 1975-07-01 1977-01-14 Yaichi Watanabe Bicycle
JP3143801U (en) * 2008-05-26 2008-08-07 大衍國際股▲分▼有限公司 Folding bike
JP2010018173A (en) * 2008-07-11 2010-01-28 Atsushi Kajikawa Folding three-wheel bicycle of x-shaped frame
KR20120025098A (en) * 2010-09-07 2012-03-15 전정호 The bicycle with rear wheel steering
KR20110000541A (en) * 2010-12-15 2011-01-03 박경희 All-wheel drive
KR20120066734A (en) * 2010-12-15 2012-06-25 박경희 A

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021182835A1 (en) 2020-03-11 2021-09-16 주식회사 엘지에너지솔루션 Button-type secondary battery

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