阅读说明：本技术 杠杆助力自行车和杠杆助力多轮车 (Lever-assisted bicycle and lever-assisted multi-wheel vehicle ) 是由 李宝隆 于 2019-03-19 设计创作，主要内容包括：本申请提供一种杠杆助力自行车和杠杆助力多轮车,涉及一种自行车,该自行车包括前后轮、车架、车座、车把手、左右踏板、左右杠杆、左右链杆、链条、大链轮、小飞轮、轮毂,左右杠杆分别与左右链杆活动铰接,左右链杆分别与左右曲杆活动铰接,左右曲杆与大链轮连接,大链轮置于后轮上方,大链轮通过链条与小飞轮转动连接,小飞轮与轮毂及后轮连接,左右杠杆的前端分别安装有左右踏板,左右杠杆的支点分别位于后轮中心轴左右两侧,杠杆前端做上下运动时,带动链杆,链杆带动曲杆,曲杆带动大链轮,大链轮带动链条,链条带动小飞轮,小飞轮带动轮毂后轮转动前进,周而复始。本杠杆助力车具有结构简单、省力、助力、快速的特点。(The application provides a lever-assisted bicycle and a lever-assisted multi-wheel vehicle, which relates to a bicycle, the bicycle comprises a front wheel, a rear wheel, a frame, a saddle, a handlebar, a left pedal, a right pedal, a left lever, a right lever, a left chain rod, a right chain rod, a chain, a big chain wheel, a small flywheel and a hub, wherein the left lever and the right lever are respectively movably hinged with the left chain rod and the right chain rod, the left chain rod and the right chain rod are respectively movably hinged with the left crank rod and the right crank rod, the big chain wheel is arranged above the rear wheel, the big chain wheel is rotatably connected with the small flywheel through the chain, the small flywheel is connected with the hub and the rear wheel, the front ends of the left lever and the right lever are respectively provided with the left pedal and the right pedal, the pivot points of the left lever and the right lever are respectively arranged at the left side and the right side of the central shaft of the rear wheel, the process is repeated. The lever moped has the characteristics of simple structure, labor saving, power assisting and quickness.)

1. A lever-assisted bicycle and a lever-assisted multi-wheel vehicle comprise a frame (3), a saddle (4), a handlebar (2), a front wheel (1), a rear wheel (17), a left pedal (21), a left lever (19), a left connecting rod (10), a left crank rod (9), a right pedal (22), a right lever (20), a right connecting rod (12), a right crank rod (5), a large chain wheel (7), a small flywheel (16), a chain (11) and a wheel hub (15), and are characterized in that the front end of the left lever (19) is connected with the left pedal (21), the front end of the right lever (20) is connected with the right pedal (22), the left lever and the right lever are both lengthened levers, the left lever fulcrum (18) and the right lever fulcrum are respectively hinged on the left side and the right side of the central shaft of the rear wheel (17), a left lever symmetry point (13) is hinged with the lower end of the left connecting rod (10), a right lever symmetry point (14) is hinged with the lower end of the right connecting, the high end of a left connecting rod (10) is hinged with a left crank rod (9), the high end of a right connecting rod (12) is hinged with a right crank rod (5), the left crank rod (9) and the right crank rod (5) are connected with a large chain wheel (7), the large chain wheel (7) is arranged on the upper portion of a rear wheel (17), the large chain wheel (7) drives a small flywheel (16) through a chain (11), and the small flywheel (16) drives a hub (15) and the rear wheel (17) to rotate.

2. The lever assisted bicycle and the lever assisted multi-wheeled vehicle as claimed in claim 1, wherein the position of a symmetrical point of each of the left and right levers is changeable as required, the position of the symmetrical point is shifted forward or backward on the left and right levers, the symmetrical point (13) of the left lever is shifted forward or backward on the left lever (19), and the symmetrical point (14) of the right lever is shifted forward or backward on the right lever (20); the positions of hinge joints of a left crank rod and a right crank rod which are connected with the large chain wheel (7) and are hinged with the high ends of the left connecting rod and the right connecting rod can be changed according to requirements, a hinge joint (8) of the left crank rod can move inwards or outwards along the left crank rod (9) and can be changed, and a hinge joint (6) of the right crank rod can move inwards or outwards along the right crank rod (5); the position of the hinge point of the left lever fulcrum (18) can be changed as required, and the position of the hinge point of the right lever fulcrum can be changed as required.

3. The lever assisted bicycle and the lever assisted multi-wheeled vehicle as claimed in claim 1, wherein the front wheel (1) is one, the rear wheels (17) are two left and right, and the two rear wheels (17) are mounted on the left and right ends of the same rear axle (23) at a certain distance.

4. The lever assisted bicycle and the lever assisted multi-wheeled vehicle as claimed in claim 1, wherein the front wheels (1) of the vehicle are two left and right, the two front wheels (1) are mounted on the left and right ends of the same front axle (24) at a certain distance, and the rear wheel (17) of the vehicle is one.

5. The lever assisted bicycle and the lever assisted multi-wheeled vehicle as claimed in claim 1, wherein the front wheels (1) of the vehicle are two left and right and spaced apart at a certain distance at the left and right ends of the same front axle (24), and the rear wheels (17) are two left and right and spaced apart at a certain distance at the left and right ends of the same rear axle (23).

Technical Field

The application relates to the technical field of pedal bicycles, in particular to a lever-assisted bicycle and a lever-assisted multi-wheel vehicle.

Background

The pedal is connected with the pedal rod, the pedal rod is connected with the large chain wheel, the rotation of the large chain wheel drives the chain, the chain drives the small flywheel on the rear wheel, the small flywheel drives the rear wheel to rotate, and the transmission mode can enable the bicycle to walk, but is not labor-saving.

The invention aims to provide a lever-assisted bicycle and a lever-assisted multi-wheel vehicle which have simple structures, save labor, and are higher in power assistance and walking speed.

Disclosure of Invention

The technical scheme adopted by the application for achieving the purpose is as follows: a lever-assisted bicycle and a lever-assisted multi-wheel vehicle comprise a frame, a saddle, a handlebar, a front wheel, a rear wheel, a left pedal, a left lever, a left connecting rod, a left crank rod, a right pedal, a right lever, a right connecting rod, a right crank rod, a large chain wheel, a small flywheel and a chain. On the basis of the technical scheme, in order to realize the lever power-assisted multi-wheel vehicle, for example, the front wheel of the vehicle is one, the rear wheel of the vehicle is left and right, and the two rear wheels are arranged at the left end and the right end of the same rear axle and are separated by a certain distance. The second example is that the front wheels of the vehicle are two left and right, the two front wheels are arranged on the left and right ends of the same front axle and are separated by a certain distance, and the rear wheel of the vehicle is one. In the third embodiment, the front wheels are arranged on the left and right ends of the same front axle at a certain distance, and the rear wheels are arranged on the left and right ends of the same rear axle at a certain distance.

The position of a symmetrical point of each of the left and right levers is movable, and the symmetrical point can move forwards or backwards on the lever as required.

The hinge points of the left and right curved bars connected with the large chain wheel and the high ends of the left and right connecting rods are movable, and the hinge points can move inwards or outwards along the curved bars as required.

The position of the pivot point hinge point of the left lever and the right lever can be changed according to requirements.

The beneficial effects are as follows:

this application lever helping hand bicycle and lever helping hand multi-wheel car are owing to adopt the extension lever, the people can be laborsaving when riding by bike, in addition because the lever is articulated with the connecting rod, the connecting rod is articulated with the curved bar, drive the connecting rod by the lever, the connecting rod drives the big sprocket of curved bar, big sprocket drives the chain, the chain drives the coaxial rear wheel of small flywheel and rotates, power is more laborsaving than current bicycle on adding the extension lever (current bicycle transmission mode is that the foot bar drives big sprocket and rotates usually, big sprocket drives the coaxial rear wheel of small flywheel through the chain again and rotates), consequently, can make power obtain strengthening in the transmission process of lever, the people is more laborsaving when riding, give power, the speed of bicycle walking is faster.

Drawings

Specific embodiments of the present application will be described below with reference to the accompanying drawings, in which:

fig. 1 shows a schematic configuration of a first embodiment of the lever assisted bicycle and the lever assisted multi-wheeled vehicle of the present invention.

Fig. 2 is a schematic structural view showing a second embodiment of the lever assisted bicycle and the lever assisted multi-wheeled vehicle of the present invention.

Fig. 3 shows a schematic structural view of a third embodiment of the lever assisted bicycle and the lever assisted multi-wheel vehicle of the present invention.

Fig. 4 shows a schematic structural view of a fourth embodiment of the lever assisted bicycle and the lever assisted multi-wheeled vehicle of the present invention.

Fig. 5 is a schematic structural view showing a fifth embodiment of the lever assisted bicycle and the lever assisted multi-wheeled vehicle of the present invention.

In the figure: 1-front wheel, 2-handlebar, 3-frame, 4-saddle, 5-right curved bar, 6-right curved bar hinged point, 7-big chain wheel, 8-left curved bar hinged point, 9-left curved bar, 10-left connecting bar, 11-chain, 12-right connecting bar, 13-left lever symmetrical point, 14-right lever symmetrical point, 15-hub, 16-small flywheel, 17-rear wheel, 18-left lever fulcrum, 19-left lever, 20-right lever, 21-left pedal, 22-right pedal, 23-rear axle, 24-front axle.

Detailed Description

As shown in FIG. 1, the left lever 19 and the right lever 20 are elongated levers with equal length, the front end of the left lever 19 is connected with a left pedal 21, the front end of the right lever 20 is connected with a right pedal 22, the left lever fulcrum 18 is hinged with a rear wheel center shaft (left), the right lever fulcrum (not shown) is hinged with a rear wheel center shaft (right), the left lever symmetry point 13 is hinged with the lower end of the left connecting rod 10, the higher end of the left connecting rod 10 is hinged with the left crank 9, the right lever symmetry point 14 is hinged with the lower end of the right connecting rod 12, the higher end of the right connecting rod 12 is hinged with the right crank 5, the left crank 9 and the right crank 5 are connected with the large sprocket 7, the large sprocket 7 is arranged behind the rear wheel 17, and the large sprocket 7 drives the small flywheel 16, the hub 15 and the rear wheel 17 to rotate through the chain 11.

The position of the left lever symmetry point 13 can be specifically adjusted as required, and the position of the right lever symmetry point 14 can be specifically adjusted as required. The position of the hinge point 8 of the left crank lever can be specifically adjusted as required, and the position of the hinge point 6 of the right crank lever can be specifically adjusted as required. The position of the hinge point of the left lever fulcrum 18 can be specifically adjusted as desired, and the position of the hinge point of the right lever fulcrum (not shown) can be specifically adjusted as desired.

In another embodiment as shown in fig. 2, the left lever 19 and the right lever 20 are both elongated levers with equal length, the front end of the left lever 19 is connected with the left pedal 21, the front end of the right lever 20 is connected with the right pedal 22, the left lever fulcrum 18 is hinged with the rear wheel central shaft (left), the right lever fulcrum (not shown) is hinged with the rear wheel central shaft (right), the left lever symmetry point 13 is hinged with the lower end of the left connecting rod 10, the higher end of the left connecting rod 10 is hinged with the left crank 9, the right lever symmetry point (not shown) is hinged with the lower end of the right connecting rod 12, the higher end of the right connecting rod 12 is hinged with the right crank 5, the left crank 9 and the right crank 5 are connected with the large sprocket 7, the large sprocket 7 is placed in front over the rear wheel 17, and the large sprocket 7 drives the small flywheel 16, the hub 15 and the rear wheel 17 to rotate through the chain 11.

The position of the left lever symmetry point 13 can be specifically adjusted as desired, and the position of the right lever symmetry point (not shown) can be specifically adjusted as desired. The position of the hinge point 8 of the left crank lever can be specifically adjusted as required, and the position of the hinge point (not shown) of the right crank lever can be specifically adjusted as required. The position of the hinge point of the left lever fulcrum 18 can be specifically adjusted as desired, and the position of the hinge point of the right lever fulcrum (not shown) can be specifically adjusted as desired.

In another embodiment shown in fig. 3, the front wheel 1 is one, the rear wheel 17 is two left and right, and the two rear wheels 17 are mounted on the left and right ends of the same rear axle 23 at a predetermined distance. Based on the same concept, the implementation principle of the present embodiment is the same as that of fig. 1 and fig. 2, and therefore, repeated descriptions are omitted.

In another embodiment shown in fig. 4, the front wheels 1 are two left and right, the two front wheels 1 are mounted on the left and right ends of the same front axle 24 at a certain distance, and the rear wheel 17 is one. Based on the same concept, the implementation principle of the present embodiment is the same as that of fig. 1 and fig. 2, and therefore, repeated descriptions are omitted.

In another embodiment shown in fig. 5, the front wheels 1 of the vehicle are arranged in left and right pairs and spaced apart from each other at left and right ends of the same front axle 24, and the rear wheels 17 are arranged in left and right pairs and spaced apart from each other at left and right ends of the same rear axle 23. Based on the same concept, the implementation principle of the present embodiment is the same as that of fig. 1 and fig. 2, and therefore, repeated descriptions are omitted.

When a user rides the lever-assisted bicycle and the lever-assisted multi-wheel bicycle, the motions of the left lever and the right lever are just opposite, when the left foot downwards steps on the left pedal 21, the left lever 19 downwards moves, the left lever 19 drives the left connecting rod 10, the left connecting rod 10 drives the left crank rod 9 and the large chain wheel 7 to rotate, the large chain wheel 7 drives the chain 11, the chain 11 drives the small flywheel 15, the wheel hub 15 and the rear wheel 17 to rotate, and the whole bicycle moves forwards. The left lever 19 is arranged at the lower part, the right lever 20 is arranged at the upper part, and the right lever 20 can drive the whole vehicle to move forwards by repeating the motion track of the left lever 19.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.