CN107128435A - Rear wheel drive part, back wheel driving gear and application its without chain bicycle with pedal - Google Patents
Rear wheel drive part, back wheel driving gear and application its without chain bicycle with pedal Download PDFInfo
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- CN107128435A CN107128435A CN201710310624.7A CN201710310624A CN107128435A CN 107128435 A CN107128435 A CN 107128435A CN 201710310624 A CN201710310624 A CN 201710310624A CN 107128435 A CN107128435 A CN 107128435A
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- 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
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- 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
- B62M1/00—Rider propulsion of wheeled vehicles
- B62M1/36—Rider propulsion of wheeled vehicles with rotary cranks, e.g. with pedal cranks
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Abstract
本发明公开了一种后轮驱动部件、后轮驱动装置及应用其的无链踏板自行车，后轮驱动部件安装在车架上，并用于驱动后轮在车架上转动，后轮驱动部件包括齿轮传动机构和驱动机构；所述齿轮传动机构包括主动齿圈、行星轮和从动轮，所述从动轮与所述后轮同轴连接，所述行星轮设置在所述主动齿圈和所述从动轮之间，并且所述行星轮分别与所述主动齿圈和所述从动轮相啮合；所述驱动机构与所述主动齿圈相连，以便通过动作所述驱动机构，使所述主动齿圈绕着从动轮的轮轴心转动，本发明能够驱动后轮前进，不仅能够实现代步的基本功能，而且能够达到结构简单、健身休闲的目的。
The invention discloses a rear wheel driving component, a rear wheel driving device and a chainless pedal bicycle using the same. The rear wheel driving component is installed on the vehicle frame and is used to drive the rear wheel to rotate on the vehicle frame. The rear wheel driving component includes A gear transmission mechanism and a drive mechanism; the gear transmission mechanism includes a driving ring gear, a planetary wheel and a driven wheel, the driven wheel is coaxially connected with the rear wheel, and the planetary gear is arranged between the driving ring gear and the between the driven wheels, and the planetary gears are respectively meshed with the driving ring gear and the driven gear; the driving mechanism is connected with the driving ring gear so that the driving gear The circle rotates around the wheel axle center of the driven wheel, and the invention can drive the rear wheel to advance, not only can realize the basic function of walking, but also can achieve the purpose of simple structure, fitness and leisure.
Description
技术领域technical field
本发明涉及一种后轮驱动部件、后轮驱动装置及应用其的无链踏板自行车，属于代步交通工具技术领域。The invention relates to a rear wheel drive component, a rear wheel drive device and a chainless pedal bicycle using the same, which belongs to the technical field of transportation means.
背景技术Background technique
目前，自行车已经成为人们日常生活中使用最广泛的一种代步工具，虽然现在出行中自行车被各种更为先进快捷的交通工具所取代，但随着社会和科技的发展与人们生活方式的转变，自行车也从传统的代步工具，成为人们运动、健身、休闲的工具，特别是当下全球面临着日益严重的交通拥堵、空气污染等问题，自行车以其绿色环保、方便快捷、经济性高等优点重新进入人们的视野。At present, bicycles have become the most widely used means of transportation in people's daily life. Although bicycles are now replaced by various more advanced and efficient means of transportation, with the development of society and technology and the transformation of people's lifestyles , the bicycle has also changed from a traditional means of transportation to a tool for people's sports, fitness, and leisure, especially when the world is facing increasingly serious problems such as traffic congestion and air pollution. into people's field of vision.
传统的自行车多为链式传动形式，通过链传动传递运动，虽然能够达到代步的目的，但是对于既想绿色出行又想达到健身效果的消费者来说，链传动自行车的运动量还不够，健身效果还不是那么明显。因此，开发出一款既能代步又能达到健身、休闲效果的无链踏板自行车是很有必要的。Traditional bicycles are mostly in the form of chain transmission, which transmits movement through chain transmission. Although it can achieve the purpose of transportation, for consumers who want to travel green and achieve fitness effects, the amount of exercise of chain-driven bicycles is not enough. It's not that obvious yet. Therefore, it is necessary to develop a chainless pedal bicycle that can not only replace walking but also reach fitness and leisure effects.
发明内容Contents of the invention
本发明所要解决的技术问题是克服现有技术的缺陷，提供一种后轮驱动部件，它能够驱动后轮前进，不仅能够实现代步的基本功能，而且能够达到结构简单、健身休闲的目的。The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a rear wheel driving component, which can drive the rear wheel forward, not only can realize the basic function of walking, but also can achieve the purpose of simple structure, fitness and leisure.
为了解决上述技术问题，本发明的技术方案是：一种后轮驱动部件，它安装在车架上，并用于驱动后轮在车架上转动，它包括：In order to solve the above-mentioned technical problems, the technical solution of the present invention is: a rear wheel drive component, which is installed on the vehicle frame, and is used to drive the rear wheel to rotate on the vehicle frame, and it includes:
齿轮传动机构，所述齿轮传动机构包括主动齿圈、行星轮和从动轮，所述从动轮与所述后轮同轴连接，所述行星轮设置在所述主动齿圈和所述从动轮之间，并且所述行星轮分别与所述主动齿圈和所述从动轮相啮合；A gear transmission mechanism, the gear transmission mechanism includes a driving ring gear, a planetary wheel and a driven wheel, the driven wheel is coaxially connected with the rear wheel, and the planetary gear is arranged between the driving ring gear and the driven wheel between, and the planetary gears are respectively meshed with the driving ring gear and the driven gear;
驱动机构，所述驱动机构与所述主动齿圈相连，以便通过动作所述驱动机构，使所述主动齿圈绕着从动轮的轮轴心转动。A driving mechanism, the driving mechanism is connected with the driving ring gear, so that the driving gear ring can rotate around the wheel axis of the driven wheel by actuating the driving mechanism.
进一步提供了一种驱动机构的具体结构，所述驱动机构包括第一曲柄、第二曲柄和连杆，所述第二曲柄的一端部铰接在车架上，所述连杆的一端部与所述第二曲柄的另一端部通过铰接结构铰接，所述连杆的另一端部与所述第一曲柄的一端部通过铰接结构铰接，所述第一曲柄的另一端部与所述主动齿圈固定连接。A specific structure of the driving mechanism is further provided, the driving mechanism includes a first crank, a second crank and a connecting rod, one end of the second crank is hinged on the vehicle frame, one end of the connecting rod is connected to the The other end of the second crank is hinged through a hinge structure, the other end of the connecting rod is hinged with one end of the first crank through a hinge structure, the other end of the first crank is hinged with the driving ring gear Fixed connection.
进一步提供了一种铰接结构的具体结构，所述铰接结构包括两个轴承以及连接两个轴承的连接轴，在连杆的一端部与第二曲柄的另一端部之间的铰接结构中，其中一个轴承安装在连杆的一端部的轴承孔内，另外一个轴承安装在第二曲柄的另一端部的轴承孔内；在连杆的另一端部与所述第一曲柄的一端部之间的铰接结构中，其中一个轴承安装在连杆的另一端部的轴承孔内，另外一个轴承安装在第一曲柄的一端部的轴承孔内。A specific structure of a hinged structure is further provided, the hinged structure includes two bearings and a connecting shaft connecting the two bearings, in the hinged structure between one end of the connecting rod and the other end of the second crank, wherein One bearing is installed in the bearing hole of one end of the connecting rod, and the other bearing is installed in the bearing hole of the other end of the second crank; between the other end of the connecting rod and one end of the first crank In the hinge structure, one of the bearings is installed in the bearing hole at the other end of the connecting rod, and the other bearing is installed in the bearing hole at one end of the first crank.
进一步为了方便用脚驱动驱动机构，所述驱动机构还包括脚踏板，所述脚踏板安装在连杆上。Further, for the convenience of driving the driving mechanism with feet, the driving mechanism also includes a foot pedal, and the foot pedal is installed on the connecting rod.
进一步可以根据使用者的舒适度要求，移动脚踏板，所述脚踏板通过紧定螺栓安装在连杆上，所述脚踏板的底部设置有安装槽体，所述安装槽体卡在连杆上，所述紧定螺栓通过螺纹连接在安装槽体上，并且所述紧定螺栓的钉头抵在连杆上。Further, the pedal can be moved according to the user's comfort requirements, and the pedal is installed on the connecting rod through a set bolt, and the bottom of the pedal is provided with a mounting groove, and the mounting groove is stuck in the On the connecting rod, the fastening bolt is threadedly connected to the installation groove body, and the nail head of the fastening bolt abuts against the connecting rod.
进一步为了方便使用双脚驱动后轮，本发明还提供了一种后轮驱动装置，它包括两个后轮驱动部件；其中，Further, in order to facilitate the use of both feet to drive the rear wheels, the present invention also provides a rear wheel drive device, which includes two rear wheel drive components; wherein,
两个后轮驱动部件分别作用于所述后轮的两端，其中一个后轮驱动部件的第一曲柄与相应的主动齿圈的连接部位和另外一个后轮驱动部件的第一曲柄与相应的主动齿圈的连接部位关于主动齿圈的轮轴心相对称设置，并且两个后轮驱动部件的第一曲柄共线设置，两个后轮驱动部件的第二曲柄共线设置，两个后轮驱动部件的连杆平行设置。The two rear wheel drive components respectively act on the two ends of the rear wheel, wherein the first crank of one rear wheel drive component is connected to the corresponding driving ring gear and the first crank of the other rear wheel drive component is connected to the corresponding The connection part of the driving ring gear is arranged symmetrically with respect to the wheel axis of the driving ring gear, and the first cranks of the two rear wheel driving parts are arranged in line, the second cranks of the two rear wheel driving parts are arranged in line, and the two rear wheels The connecting rods of the driving parts are arranged in parallel.
本发明还提供了一种无链踏板自行车，它包括：The present invention also provides a chainless pedal bicycle, which includes:
车架；frame;
后轮，所述后轮可旋转地支承在车架的后部上；a rear wheel rotatably supported on the rear of the frame;
所述后轮驱动装置与后轮相连，以便所述后轮驱动装置驱动所述后轮在车架上转动；The rear wheel driving device is connected with the rear wheel, so that the rear wheel driving device drives the rear wheel to rotate on the vehicle frame;
前轮，所述前轮可旋转地支承在车架的前部上。A front wheel is rotatably supported on the front of the vehicle frame.
进一步，所述车架的前部设置有前轮叉形支架，所述前轮可旋转地支承在前轮叉形支架上。Further, the front part of the vehicle frame is provided with a front wheel fork bracket, and the front wheel is rotatably supported on the front wheel fork bracket.
进一步，所述车架还包括车把，所述车把安装在前轮叉形支架的顶端。Further, the vehicle frame also includes a handlebar, and the handlebar is installed on the top of the fork bracket of the front wheel.
采用了上述技术方案后，本发明采用驱动机构和齿轮传动机构组成传动机构，通过踏动脚踏板驱动驱动机构动作，带动齿轮传动机构动作，从而驱动后轮运转，主动齿圈驱动从动齿轮加速转动，能够达到较快的骑行速度；脚踏板的安装位置可以根据使用者的步距调整，实现个性化需求，满足舒适度要求；使用者站立在脚踏板上，通过双腿踏动脚踏板驱动自行车前进，运动量明显增加；无链的设计使得结构更加简单，具有更好的经济效益。无链踏板自行车不仅实现代步的基本功能，还达到结构简单、健身休闲的目的。After adopting the above-mentioned technical scheme, the present invention adopts a driving mechanism and a gear transmission mechanism to form a transmission mechanism. The driving mechanism is driven to act by stepping on the pedal, and the gear transmission mechanism is driven to drive the rear wheel to run, and the driving ring gear drives the driven gear. Accelerate the rotation to achieve a faster riding speed; the installation position of the pedals can be adjusted according to the user's step distance to achieve individual needs and meet the comfort requirements; the user stands on the pedals and pedals with both legs The moving pedal drives the bicycle forward, and the amount of exercise is significantly increased; the chainless design makes the structure simpler and has better economic benefits. The chainless pedal bicycle not only realizes the basic function of transportation, but also achieves the purpose of simple structure, fitness and leisure.
附图说明Description of drawings
图1是本发明的无链踏板自行车的立体图；Fig. 1 is the perspective view of chainless pedal bicycle of the present invention;
图2是本发明的无链踏板自行车的结构示意图；Fig. 2 is the structural representation of chainless pedal bicycle of the present invention;
图3是图2的俯视图；Fig. 3 is the top view of Fig. 2;
图4是本发明的驱动机构和齿轮传动结构的连接示意图；Fig. 4 is the connection schematic diagram of driving mechanism and gear transmission structure of the present invention;
图5是本发明的驱动机构的局部连接示意图；Fig. 5 is a partial connection schematic diagram of the drive mechanism of the present invention;
图6是本发明的后轮的安装示意图；Fig. 6 is the installation schematic view of rear wheel of the present invention;
图7是本发明的齿轮传动机构的结构示意图；Fig. 7 is a schematic structural view of the gear transmission mechanism of the present invention;
图8是本发明的脚踏板的结构示意图。Fig. 8 is a schematic structural view of the pedal of the present invention.
具体实施方式detailed description
为了使本发明的内容更容易被清楚地理解，下面根据具体实施例并结合附图，对本发明作进一步详细的说明。In order to make the content of the present invention more clearly understood, the present invention will be further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.
实施例一Embodiment one
如图4所示，一种后轮驱动部件，它安装在车架1上，并用于驱动后轮14在车架1上转动，它包括：As shown in Figure 4, a kind of rear-wheel driving part, it is installed on the vehicle frame 1, and is used for driving rear wheel 14 to rotate on vehicle frame 1, and it comprises:
齿轮传动机构8，所述齿轮传动机构8包括主动齿圈81、行星轮82和从动轮83，所述从动轮83与所述后轮14同轴连接，所述行星轮82设置在所述主动齿圈81和所述从动轮83之间，并且所述行星轮82分别与所述主动齿圈81和所述从动轮83相啮合；Gear transmission mechanism 8, described gear transmission mechanism 8 comprises driving ring gear 81, planetary gear 82 and driven wheel 83, and described driven gear 83 is coaxially connected with described rear wheel 14, and described planetary gear 82 is arranged on the driving gear between the ring gear 81 and the driven wheel 83, and the planetary gears 82 mesh with the driving ring gear 81 and the driven wheel 83 respectively;
驱动机构7，所述驱动机构7与所述主动齿圈81相连，以便通过动作所述驱动机构7，使所述主动齿圈81绕着从动轮83的轮轴心转动。The driving mechanism 7 is connected to the driving gear 81 so that the driving gear 81 can rotate around the axle center of the driven wheel 83 by actuating the driving mechanism 7 .
如图4所示，所述驱动机构7包括第一曲柄71、第二曲柄72和连杆73，所述第二曲柄72的一端部通过曲柄连接轴11铰接在车架1上，所述连杆73的一端部与所述第二曲柄72的另一端部通过铰接结构铰接，所述连杆73的另一端部与所述第一曲柄71的一端部通过铰接结构铰接，所述第一曲柄71的另一端部与所述主动齿圈81通过螺栓固定连接。As shown in Figure 4, the drive mechanism 7 includes a first crank 71, a second crank 72 and a connecting rod 73, one end of the second crank 72 is hinged on the vehicle frame 1 through the crank connecting shaft 11, the connecting One end of the rod 73 is hinged to the other end of the second crank 72 through a hinge structure, and the other end of the connecting rod 73 is hinged to one end of the first crank 71 through a hinge structure. The other end of 71 is fixedly connected with the driving ring gear 81 by bolts.
如图4、5所示，所述铰接结构包括两个轴承17以及连接两个轴承17的连接轴12，在连杆73的一端部与第二曲柄72的另一端部之间的铰接结构中，其中一个轴承17安装在连杆73的一端部的轴承孔内，另外一个轴承17安装在第二曲柄72的另一端部的轴承孔内；在连杆73的另一端部与所述第一曲柄71的一端部之间的铰接结构中，其中一个轴承17安装在连杆73的另一端部的轴承孔内，另外一个轴承17安装在第一曲柄71的一端部的轴承孔内。As shown in Figures 4 and 5, the hinged structure includes two bearings 17 and the connecting shaft 12 connecting the two bearings 17, in the hinged structure between one end of the connecting rod 73 and the other end of the second crank 72 , wherein one bearing 17 is installed in the bearing hole at one end of the connecting rod 73, and the other bearing 17 is installed in the bearing hole at the other end of the second crank 72; at the other end of the connecting rod 73 and the first In the hinge structure between one end of the crank 71 , one of the bearings 17 is installed in the bearing hole at the other end of the connecting rod 73 , and the other bearing 17 is installed in the bearing hole at one end of the first crank 71 .
如图3所示，所述驱动机构7还包括脚踏板9，所述脚踏板9安装在连杆73上。As shown in FIG. 3 , the driving mechanism 7 further includes a pedal 9 mounted on a connecting rod 73 .
所述脚踏板9通过紧定螺栓18安装在连杆73上，所述脚踏板9的底部设置有安装槽体，所述安装槽体卡在连杆73上，所述紧定螺栓18通过螺纹连接在安装槽体上，并且所述紧定螺栓18的钉头抵在连杆73上，根据使用者的舒适度要求，可以拧松紧定螺栓18，移动所述脚踏板9，调整到合理位置，再拧紧紧定螺栓18。The pedal 9 is installed on the connecting rod 73 through the tightening bolt 18, and the bottom of the pedal 9 is provided with an installation groove, and the installation groove is stuck on the connecting rod 73, and the tightening bolt 18 It is threadedly connected to the mounting groove body, and the nail head of the set bolt 18 is against the connecting rod 73. According to the user's comfort requirements, the set bolt 18 can be unscrewed, the pedal 9 can be moved, and the adjustment can be performed. To a reasonable position, tighten the fixing bolt 18 again.
实施例二Embodiment two
如图4所示，一种后轮驱动装置，它包括两个实施例一中的后轮驱动部件；其中，As shown in Fig. 4, a kind of rear-wheel drive device, it comprises the rear-wheel drive part in two embodiment one; Wherein,
两个后轮驱动部件分别作用于所述后轮14的两端，其中一个后轮驱动部件的第一曲柄71与相应的主动齿圈81的连接部位和另外一个后轮驱动部件的第一曲柄71与相应的主动齿圈81的连接部位关于主动齿圈81的轮轴心相对称设置，并且两个后轮驱动部件的第一曲柄71共线设置，两个后轮驱动部件的第二曲柄72共线设置，两个后轮驱动部件的连杆73平行设置。The two rear wheel drive components act on the two ends of the rear wheel 14 respectively, the connecting part between the first crank 71 of one rear wheel drive component and the corresponding driving ring gear 81 and the first crank of the other rear wheel drive component 71 and the corresponding connecting portion of the driving ring gear 81 are arranged symmetrically with respect to the wheel axis center of the driving ring gear 81, and the first cranks 71 of the two rear wheel drive components are arranged in line, and the second cranks 72 of the two rear wheel drive components Collinear arrangement, the connecting rods 73 of the two rear wheel drive components are arranged in parallel.
实施例三Embodiment three
如图1～8所示，一种无链踏板自行车，它包括：As shown in Figures 1 to 8, a chainless pedal bicycle comprises:
车架1；frame 1;
后轮14，所述后轮14可旋转地支承在车架1的后部上；具体地，所述车架1的后部通过后轮轴承16可旋转地支承有后轮轴15，所述后轮14通过键连接安装在后轮轴15上；所述从动轮83过盈配合安装在后轮轴15上；Rear wheel 14, described rear wheel 14 is rotatably supported on the rear portion of vehicle frame 1; Specifically, the rear portion of described vehicle frame 1 is rotatably supported with rear wheel axle 15 through rear wheel bearing 16, and described rear The wheel 14 is installed on the rear axle 15 through a key connection; the driven wheel 83 is installed on the rear axle 15 with interference fit;
实施例二中的后轮驱动装置，所述后轮驱动装置与后轮14相连，以便所述后轮驱动装置驱动所述后轮14在车架1上转动；具体地，车架1具有后轮叉形支架，两个后轮驱动部件的驱动机构7分别位于两个后轮叉形支架的两侧；The rear wheel driving device in the second embodiment, the rear wheel driving device is connected with the rear wheel 14, so that the rear wheel driving device drives the rear wheel 14 to rotate on the vehicle frame 1; specifically, the vehicle frame 1 has a rear wheel The wheel fork bracket, the driving mechanism 7 of the two rear wheel drive components are respectively located on both sides of the two rear wheel fork bracket;
前轮4，所述前轮4可旋转地支承在车架1的前部上。Front wheels 4 are mounted rotatably on the front of the vehicle frame 1 .
所述车架1的前部设置有前轮叉形支架3，所述前轮4可旋转地支承在前轮叉形支架3上；具体地，所述前轮叉形支架3上通过前轮轴承6可旋转地支承有前轮轴5，所述前轮4通过键连接安装在前轮轴5上；The front portion of the vehicle frame 1 is provided with a front wheel fork bracket 3, and the front wheel 4 is rotatably supported on the front wheel fork bracket 3; specifically, the front wheel fork bracket 3 passes the front wheel The bearing 6 rotatably supports the front wheel shaft 5, and the front wheel 4 is mounted on the front wheel shaft 5 through a key connection;
所述车架1还包括车把2，所述车把2安装在前轮叉形支架3的顶端。Described vehicle frame 1 also comprises handlebar 2, and described handlebar 2 is installed on the top of front wheel fork support 3.
本发明的工作原理如下：The working principle of the present invention is as follows:
骑行时，使用者双腿分别站立在两个脚踏板9上，通过踏动两个脚踏板9，带动连杆73运动，连杆73的运动将带动第一曲柄71的转动，第一曲柄71将运动传递到与之连接的主动齿圈81上，主动齿圈81的转动带动与之啮合的行星轮82转动，行星轮82带动与之啮合的从动轮83转动，从动轮83过盈配合安装在后轮轴15上，从动轮83转动带动后轮轴15也一起转动，后轮轴15转动带动安装在其上的后轮14转动，实现自行车的前进运动；因为两个齿轮传动机构8是对称反向安装，两个驱动机构7在外力驱动下能够实现同步交替运动，不存在死点，能够连续运动，便于使用者加速；脚踏板9通过底部安装槽安装在连杆73上，使用者可以根据自己的舒适度要求，可以拧松紧定螺栓18，移动脚踏板9，调整到合理位置，再拧紧紧定螺栓18；使用者站立在脚踏板9上，通过双腿踏动脚踏板9驱动自行车前进，运动量明显增加达到健身的效果。When riding, the user's legs stand on the two pedals 9 respectively, and by stepping on the two pedals 9, the connecting rod 73 is driven to move, and the movement of the connecting rod 73 will drive the rotation of the first crank 71, and the second A crank 71 transmits the motion to the driving ring gear 81 connected with it, the rotation of the driving ring gear 81 drives the rotation of the planetary gear 82 meshed with it, and the planetary gear 82 drives the rotation of the driven wheel 83 meshed with it, and the driven wheel 83 passes through Ying fit is installed on the rear wheel shaft 15, the driven wheel 83 rotates and drives the rear wheel shaft 15 to also rotate together, and the rear wheel shaft 15 rotates to drive the rear wheel 14 that is installed thereon to rotate to realize the forward motion of the bicycle; because the two gear transmission mechanisms 8 are Symmetrically reversed installation, the two driving mechanisms 7 can realize synchronous and alternating movement under the drive of external force, there is no dead point, and they can move continuously, which is convenient for users to accelerate; The user can loosen the fastening bolt 18 according to his own comfort requirements, move the pedal 9, adjust to a reasonable position, and then tighten the fastening bolt 18; the user stands on the pedal 9 and moves the foot through both legs The pedal 9 drives the bicycle to advance, and the amount of exercise is obviously increased to achieve the effect of body building.
以上所述的具体实施例，对本发明解决的技术问题、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本发明的具体实施例而已，并不用于限制本发明，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The specific embodiments described above have further described the technical problems, technical solutions and beneficial effects solved by the present invention in detail. It should be understood that the above descriptions are only specific embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (9)
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| CN201710310624.7A CN107128435A (en) | 2017-05-05 | 2017-05-05 | Rear wheel drive part, back wheel driving gear and application its without chain bicycle with pedal |
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| CN108934221A (en) * | 2018-07-27 | 2018-12-07 | 合肥霞康电子商务有限公司 | A kind of single portable loosenning tiller and its working method of walking about of standing |
| CN110588857A (en) * | 2019-09-30 | 2019-12-20 | 王存国 | Body-building scooter |
| US11192601B2 (en) * | 2019-06-26 | 2021-12-07 | Shui-Chuan Chou | Step sporting equipment with a double transmission mechanism |
| CN114475903A (en) * | 2022-02-24 | 2022-05-13 | 淮阴工学院 | A transmission mechanism and a bicycle without dead point |
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Application publication date: 20170905 |