WO2023103979A2 - 一种杠杆齿轮传动自行车 - Google Patents

一种杠杆齿轮传动自行车 Download PDF

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Publication number
WO2023103979A2
WO2023103979A2 PCT/CN2022/136641 CN2022136641W WO2023103979A2 WO 2023103979 A2 WO2023103979 A2 WO 2023103979A2 CN 2022136641 W CN2022136641 W CN 2022136641W WO 2023103979 A2 WO2023103979 A2 WO 2023103979A2
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gear
lever
rear wheel
bicycle
rotate
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PCT/CN2022/136641
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English (en)
French (fr)
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WO2023103979A3 (zh
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陈继松
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东莞市明佳模型科技有限公司
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Publication of WO2023103979A2 publication Critical patent/WO2023103979A2/zh
Publication of WO2023103979A3 publication Critical patent/WO2023103979A3/zh

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M1/00Rider propulsion of wheeled vehicles
    • B62M1/24Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M1/00Rider propulsion of wheeled vehicles
    • B62M1/24Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers
    • B62M1/30Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers characterised by the use of intermediate gears

Definitions

  • the utility model relates to the field of bicycles, in particular to a lever gear transmission bicycle.
  • a bicycle is a common non-motorized vehicle.
  • the traditional method is to use the pedals to rotate and use the chain to drive the rear wheel to rotate to achieve the purpose of moving forward.
  • the force application rate is low and the transmission efficiency is low. low, causing the bicycle to be very difficult to ride, so some people have invented some lever-driven bicycles, but the lever structure of this bicycle is complicated, and the structural design is unreasonable, resulting in the transmission efficiency of this type of bicycle. It is not labor-saving.
  • the technical problem to be solved by the utility model is a lever gear transmission bicycle, adopting a reasonable transmission ratio and the position of the fulcrum on the lever can make the lever gear transmission structure of the utility model more labor-saving, and the riding efficiency is higher.
  • a lever gear transmission bicycle including a bicycle frame, and a front wheel and a rear wheel installed on the bicycle frame, the rear wheel is driven to rotate by a lever mechanism and a gear mechanism, and the lever mechanism Swinging up and down drives the gear mechanism to rotate, and the gear mechanism is connected to the rear wheel. At this moment, the rotating gear mechanism drives the rear wheel to roll.
  • the gear mechanism includes a linkage gear and a drive gear
  • the drive gear is installed on the bicycle frame
  • the linkage gear is installed in the center of the axle of the rear wheel
  • the linkage gear meshes with the drive gear, and is driven by the up and down swing of the lever mechanism.
  • the drive gear turns.
  • the linkage gear is a pinion gear
  • the drive gear is a bull gear
  • the gear ratio of the drive gear to the linkage gear is 5-2:1.
  • the lever mechanism includes a lever and a connecting rod.
  • a fulcrum is set on the lever near one-third of the rear wheel.
  • the lever is installed on the bicycle frame through the fulcrum, and the lever and the connecting rod are hinged.
  • the other end of the connecting rod is hingedly connected with the spokes of the drive gear.
  • the length ratio of the levers on both sides of the fulcrum is 1:3.
  • a hinged fixed shaft is arranged in the middle of the driving gear.
  • the beneficial effects of the utility model are: the ratio of the levers on both sides of the fulcrum of the present invention is 1:2-4, and the ratio setting between the large and small gears is more reasonable, combined with the structure of the lever and the gear, the utility model can be used when riding Higher efficiency and less labor, especially suitable for use on flat urban ground.
  • Fig. 1 is a structural representation one of the utility model
  • Fig. 2 is the second structural diagram of the utility model.
  • plural means at least two, such as two, three, etc., unless otherwise specifically defined.
  • a lever gear transmission bicycle of the present invention includes a bicycle frame 1, and a front wheel and a rear wheel 6 mounted on the bicycle frame 1, and the rear wheel is driven to rotate by a lever mechanism and a gear mechanism , the gear mechanism is driven to rotate by the lever mechanism swinging up and down, and the gear mechanism is connected to the rear wheel. At this moment, the rotating gear mechanism drives the rear wheel 6 to roll.
  • the gear mechanism includes a linkage gear 7 and a drive gear 5, the drive gear 5 is installed on the bicycle frame 1, the linkage gear 7 is installed in the center of the wheel shaft of the rear wheel 6, the linkage gear 7 meshes with the drive gear 5, and the lever The up and down swing of the mechanism drives the drive gear 5 to rotate.
  • the interlocking gear 7 is a pinion
  • the driving gear 5 is a large gear
  • the gear ratio between the driving gear 5 and the interlocking gear 7 is 5-2:1, which can be 2:1 or 3:1 or 5:1, etc.
  • the lever mechanism includes a lever 2 and a connecting rod 4.
  • a fulcrum 3 is set on the lever 2 near one third of the rear wheel 6.
  • the lever 2 is installed on the bicycle frame 1 through the fulcrum 3.
  • the lever 2 and the connecting rod 4 Hinged between, the other end of connecting rod 4 is hingedly connected with the spoke of drive gear 5.
  • the ratio of the lever 2 on both sides of the fulcrum 3 is 1:2-4, and the position of the fulcrum determines the transmission ratio of the entire lever, so in this embodiment the ratio of the length of the lever centered on the fulcrum is 1:3, which is the most labor-saving transmission ratio .
  • a hinged fixed shaft 8 is arranged in the middle of the drive gear 5.
  • the connecting rod is driven to rotate around the fulcrum, and then the drive gear is driven to rotate.
  • the lever that reciprocates up and down is used to achieve the purpose of advancing the entire bicycle.
  • the ratio of the levers on both sides of the fulcrum of the present invention is 1:3, and the ratio between the large and small gears is more reasonable, combined with the structure of the lever and the gear, the utility model is more efficient and labor-saving when riding, and is especially suitable for riding Flat urban ground use.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)

Abstract

本实用新型公开了一种杠杆齿轮传动自行车,包括自行车骨架(1),以及安装于自行车骨架(1)上的前轮与后轮(6),后轮通过杠杆机构与齿轮机构驱动转动,由杠杆机构上下摆动带动齿轮机构转动,齿轮机构连接后轮,此时由转动的齿轮机构带动后轮(6)滚动。本实用新型采用合理的传动比,以及支点在杠杆上的位置,可以使得本实用新型的杠杆齿轮传动结构更加的省力,骑行效率更高。

Description

一种杠杆齿轮传动自行车 技术领域
本实用新型涉及自行车领域,具体涉及一种杠杆齿轮传动自行车。
背景技术
自行车是一种常见的非机动车,传统的方式是通过脚踏板作回转动作,利用链条带动后轮转动,达到前进的目的,但是这种方式由于回转运动,力的应用率低,传递效率低,导致自行车在骑行时非常的吃力,所以有人发明了一些杠杆驱动的自行车,但是这种自行车的杠杆结构复杂,结构设计不合理,导致这类型的自行车的传动效率也一般,骑行也并不省力。
发明内容
本实用新型所要解决的技术问题是一种杠杆齿轮传动自行车,采用合理的传动比,以及支点在杠杆上的位置,可以使得本实用新型的杠杆齿轮传动结构更加的省力,骑行效率更高。
本实用新型是通过以下技术方案来实现的:一种杠杆齿轮传动自行车,包括自行车骨架,以及安装于自行车骨架上的前轮与后轮,后轮通过杠杆机构与齿轮机构驱动转动,由杠杆机构上下摆动带动齿轮机构转动,齿轮机构连接后轮,此时由转动的齿轮机构带动后轮滚动。
作为优选的技术方案,所述齿轮机构包括一联动齿轮以及驱动齿轮,驱动齿轮安装于自行车骨架上,联动齿轮安装于后轮的轮轴中心,联动齿轮与驱动齿轮啮合,由杠杆机构的上下摆动带动驱动齿轮转动。
作为优选的技术方案,所述联动齿轮为小齿轮,驱动齿轮为大齿轮,驱动齿轮与联动齿轮的齿数比为5-2∶1。
作为优选的技术方案,所述杠杆机构包括杠杆与连杆,杠杆上靠近后轮一侧三分之一的位置设置一支点,杠杆通过支点安装在自行车骨架上,杠杆与连杆之间铰接,连杆的另一端与驱动齿轮的轮辐铰接连接。
作为优选的技术方案,支点两侧的杠杆的长度比值为1∶3。
作为优选的技术方案,驱动齿轮中间设置一铰接固定轴。
本实用新型的有益效果是:本发明支点两侧的杠杆的比值为1∶2-4,且大小齿轮之间的比值设置更合理,结合杠杆与齿轮的结构,使得本实用新型在骑行时效率更高,更加省力,特别适合在平坦的城市地面使用。
附图说明
为了更清楚地说明本实用新型实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本实用新型的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为本实用新型的结构示意图一;
图2为本实用新型的结构示意图二。
具体实施方式
本说明书中公开的所有特征,或公开的所有方法或过程中的步骤,除了互相排斥的特征和/或步骤以外,均可以以任何方式组合。
本说明书(包括任何附加权利要求、摘要和附图)中公开的任一特征,除非特别叙述,均可被其他等效或具有类似目的的替代特征加以替换。即,除非特别叙述,每个特征只是一系列等效或类似特征中的一个例子而已。
在本实用新型的描述中,需要理解的是,术语“一端”、“另一端”、“外侧”、“上”、“内侧”、“水平”、“同轴”、“中央”、“端部”、“长度”、“外端”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本实用新型和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本实用新型的限制。
此外,在本实用新型的描述中,“多个”的含义是至少两个,例如两个,三个等,除非另有明确具体的限定。
本实用新型使用的例如“上”、“上方”、“下”、“下方”等表示空间相对位置的术语是出于便于说明的目的来描述如附图中所示的一个单元或特征相对于另一个单元或特征的关系。空间相对位置的术语可以旨在包括设备在使用或工作中除了图中所示方位以外的不同方位。例如,如果将图中的设备翻转,则被描述为位于其他单元或特征“下方”或“之下”的单元将位于其他单元或特征“上方”。因此,示例性术语“下方”可以囊括上方和下方这两种方位。设备可以以其他方式被定向(旋转90度或其他朝向),并相应地解释本文使用的与空间相关的描述语
在本实用新型中,除非另有明确的规定和限定,术语“设置”、“套接”、“连接”、“贯穿”、“插接”等术语应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或成一体;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通或两个元件的相互作用关系,除非另有明确的限定。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本实用新型中的具体含义。
如图1和图2所示,本实用新型的一种杠杆齿轮传动自行车,包括自行车骨架1,以及安装于自行车骨架1上的前轮与后轮6,后轮通过杠杆机构与齿轮机构驱动转动,由杠杆机构上下摆动带动齿轮机构转动,齿轮机构连接后轮,此时由转动的齿轮机构带动后轮6滚动。
本实施例中,齿轮机构包括一联动齿轮7以及驱动齿轮5,驱动齿轮5安装于自行车骨架1上,联动齿轮7安装于后轮6的轮轴中心,联动齿轮7与驱动齿轮5啮合,由杠杆机构的上下摆动带动驱动齿轮5转动。
其中,联动齿轮7为小齿轮,驱动齿轮5为大齿轮,驱动齿轮5与联动齿轮7的齿数比为5-2∶1,可以为2∶1或者3∶1或者5∶1等。
其中,杠杆机构包括杠杆2与连杆4,杠杆2上靠近后轮6一侧三分之一的位置设置一支点3,杠杆2通过支点3安装在自行车骨架1上,杠杆2与连杆4之间铰接,连杆4的另一端与驱动齿轮5的轮辐铰接连接。支点3两侧的杠杆2的比值为1∶2-4,支点的位置决定了整个杠杆的传动比,所以本实施例中杠杆以 支点为中心的长度比值为1∶3,为最省力传动比值。
其中,驱动齿轮5中间设置一铰接固定轴8,当杠杆作上下摆动运动时,以支点为中心带动连杆转动,进而带动驱动齿轮转动,利用上下往复动作的杠杆,达到整个自行车前进的目的。
本发明支点两侧的杠杆的比值为1∶3,且大小齿轮之间的比值设置更合理,结合杠杆与齿轮的结构,使得本实用新型在骑行时效率更高,更加省力,特别适合在平坦的城市地面使用。
以上所述,仅为本实用新型的具体实施方式,但本实用新型的保护范围并不局限于此,任何不经过创造性劳动想到的变化或替换,都应涵盖在本实用新型的保护范围之内。因此,本实用新型的保护范围应该以权利要求书所限定的保护范围为准。

Claims (6)

  1. 一种杠杆齿轮传动自行车,其特征在于:包括自行车骨架(1),以及安装于自行车骨架(1)上的前轮与后轮(6),后轮通过杠杆机构与齿轮机构驱动转动,由杠杆机构上下摆动带动齿轮机构转动,齿轮机构连接后轮,此时由转动的齿轮机构带动后轮(6)滚动。
  2. 根据权利要求1所述的杠杆齿轮传动自行车,其特征在于:所述齿轮机构包括一联动齿轮(7)以及驱动齿轮(5),驱动齿轮(5)安装于自行车骨架(1)上,联动齿轮(7)安装于后轮(6)的轮轴中心,联动齿轮(7)与驱动齿轮(5)啮合,由杠杆机构的上下摆动带动驱动齿轮(5)转动。
  3. 根据权利要求2所述的杠杆齿轮传动自行车,其特征在于:所述联动齿轮(7)为小齿轮,驱动齿轮(5)为大齿轮,驱动齿轮(5)与联动齿轮(7)的齿数比为5-2∶1。
  4. 根据权利要求1所述的杠杆齿轮传动自行车,其特征在于:所述杠杆机构包括杠杆(2)与连杆(4),杠杆(2)上靠近后轮(6)一侧三分之一的位置设置一支点(3),杠杆(2)通过支点(3)安装在自行车骨架(1)上,杠杆(2)与连杆(4)之间铰接,连杆(4)的另一端与驱动齿轮(5)一侧的轮辐铰接连接。
  5. 根据权利要求4所述的杠杆齿轮传动自行车,其特征在于:支点(3)两侧的杠杆(2)的长度比值为1∶3。
  6. 根据权利要求4所述的杠杆齿轮传动自行车,其特征在于:驱动齿轮(5)中间设置一铰接固定轴(8)。
PCT/CN2022/136641 2021-12-07 2022-12-05 一种杠杆齿轮传动自行车 WO2023103979A2 (zh)

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CN216611471U (zh) * 2021-12-07 2022-05-27 东莞市明佳模型科技有限公司 一种杠杆齿轮传动自行车

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GB189905399A (en) * 1899-03-11 1899-04-29 Charles Arondale Bond Improvements in Driving Mechanism for Bicycles.
CN2222124Y (zh) * 1995-03-03 1996-03-13 王庆波 高速省力自行车
CN1478695A (zh) * 2003-07-04 2004-03-03 张家喜 自行车省力大飞
CN201506450U (zh) * 2009-09-21 2010-06-16 李尚永 杠杆传动自行车
US10300987B2 (en) * 2016-11-30 2019-05-28 John H Staehlin Lever driven bicycle with synchronous drive ratio control
CN107618610A (zh) * 2017-09-28 2018-01-23 蒋茂发 一种自行车
CN209852509U (zh) * 2018-12-14 2019-12-27 肖万文 省力杠杆自行车
CN209719833U (zh) * 2018-12-14 2019-12-03 卜高明 一种高速自行车
CN216611471U (zh) * 2021-12-07 2022-05-27 东莞市明佳模型科技有限公司 一种杠杆齿轮传动自行车

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