CN209208961U

CN209208961U - A kind of upright rider propulsive bicycle

Info

Publication number: CN209208961U
Application number: CN201821901102.0U
Authority: CN
Inventors: 刘跃宇; 张欣
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-19
Filing date: 2018-11-19
Publication date: 2019-08-06
Anticipated expiration: 2028-11-19

Abstract

The utility model discloses a kind of upright rider propulsive bicycles, including handlebar assembly, preceding wheel assembly, rear wheel assembly, foot-operated and vehicle frame；The vehicle frame includes a longitudinally fixed axis, turning set is equipped with rotary sleeve outside longitudinally fixed axis, successively it is socketed with pedal connecting rod front to back certainly on rotary sleeve, preceding one-way wheel and rear one-way wheel, the preceding one-way wheel and rear one-way wheel are a pair of of mirror symmetries and are equipped with the single-lift ratchet mechanism of internal messing, it is externally provided with the driving wheel of helical teeth, opening is equipped on the rotary sleeve between preceding one-way wheel and rear one-way wheel, lateral fixing axle is vertically installed on the longitudinally fixed axis being located in opening, turning set is equipped with driven wheel in lateral fixing axle, the driven wheel is equipped with helical teeth compatible with driving wheel, and, the driven wheel is sequentially connected with the sprocket wheel for being socketed in hind axle end, the foot-operated staight shank that passes through is rotatablely connected with pedal connecting rod.The utility model realizes standing walking manner driving bicycle, has effects that body building.

Description

A kind of upright rider propulsive bicycle

Technical field

The utility model is to be related to a kind of bicycle, is to be related to a kind of upright rider propulsive bicycle specifically.

Background technique

Since in today's technologically advanced, although people's lives level is improved constantly, operating pressure is not yet It increases disconnectedly, the time of sport and body-building is fewer and fewer, and the body of people is in serious sub-health state mostly, thus has both strong The bicycle of body function has started more and more welcomed by the people as a kind of trip tool of body-building walking-replacing.

But existing foot-operated riding bicycle is crank to be arranged on sprocket wheel, and pedal is arranged on crank, passes through left and right Two castor streams give left and right pedal force, so that pedal drives crank and then rotates with movable sprocket, play the forward mesh of bicycle 's.Because this bicycle is needed with riding in sitting posture, ride so that having following defects that and 1) bending back for a long time, it will to lumbar vertebrae Damage is generated with cervical vertebra；2) it is sitting on saddle for a long time, being easy compressing leg thrombosis and extruding perineum part causes for example The generation of the diseases such as prostate, damages health instead；3) due to center of gravity height, stability is poor, and manipulation difficulty is big, so that begining to learn Difficulty is big, and is not suitable for children and the elderly's use；4) when because riding, bicyclist is sitting on saddle, if encountering urgent feelings Shape is difficult to realize and abandons vehicle hedging；5) in addition, this step tread is in such a way that crank handle turns sprocket wheel moves in a circle, on a left side When right pedal is in a vertical plane, torque zero belongs to firmly dead point, though when left and right pedal is in a horizontal plane, power Square is maximum, but steps on very laborious, haves the defects that energy consumption is high, mechanical efficiency is low.

Positive because riding riding bicycle, there are above-mentioned many defects, therefore the biography for driving of being born with midstance, trampled Dynamic device and its bicycle of driving, such as: it is disclosed in the Chinese utility model patent of Patent No. CN201520799839.6 A kind of bicycle drive of walking movement formula comprising left threading, right threading, left crank, right crank, spring, axis, Sprocket wheel etc., the left crank, right crank are that two section straight-bars being flexibly connected are constituted, and are first being provided with a pulling force bullet Spring, when crank, which goes to top foot, no longer pedals foot-operated, crank will under the pulling of spring forward fold, make foot-operated to cross foot and step on Zero torque line of force, to improve the efficiency that foot steps on acting；The Chinese utility model of Patent No. CN201720354528.8 is special Disclose a kind of stand-type bicycle with pedal in benefit, including guiding assembly, vehicle frame, drive wheel assembly, pedal, reset spring, Fulcrum roller, connecting rod, gear wheel, ratchet；The pedal is fixed on vehicle frame by fulcrum roller constitutes lever construction；Institute The one end for stating pedal is connect by reset spring with vehicle frame, and the other end is connect by connecting rod with gear wheel；The gear wheel and list It is engaged to gear；Lever force is passed to gear wheel by pushes pedals by the patent, and gear wheel delivers torque to ratchet To drive driving wheel assembly to move forward, bicycle is driven to move forward, when releasing the pedal, is stepped on using reset spring traction Sheet reset.Structure is complicated from the above mentioned as it can be seen that although above-mentioned patented technology can realize that standing walking manner drives bicycle, It is bulky, mechanical efficiency is low, especially, by the way of spring reset, reduce reliability.

Utility model content

In view of the above problems existing in the prior art, the purpose of the utility model is to provide a kind of upright stepping types voluntarily Vehicle, not only realize standing walking manner drive bicycle, but also structure it is simple, it is small in size, safe and reliable, begin to learn it is easy, applicable Object is wide.

To achieve the above objectives, the present invention adopts the following technical solutions:

A kind of upright rider propulsive bicycle, including handlebar assembly, preceding wheel assembly, rear wheel assembly, foot-operated and vehicle frame；The vehicle Frame includes a longitudinally fixed axis, and turning set is equipped with rotary sleeve outside the longitudinally fixed axis, from front to back on the rotary sleeve Successively be socketed with pedal connecting rod, preceding one-way wheel and rear one-way wheel, the preceding one-way wheel and rear one-way wheel be a pair of of mirror symmetry and The driving wheel for being equipped with the single-lift ratchet mechanism of internal messing, being externally provided with helical teeth, between preceding one-way wheel and rear one-way wheel Rotary sleeve is equipped with opening, is vertically installed with lateral fixing axle on the longitudinally fixed axis being located in opening, solid in the transverse direction On dead axle turning set be equipped with driven wheel, the driven wheel be equipped with helical teeth compatible with driving wheel, also, the driven wheel with It is socketed in the sprocket wheel transmission connection of hind axle end, the foot-operated staight shank that passes through is rotatablely connected with pedal connecting rod.

A kind of embodiment, the handlebar assembly include handle and lifting regulating rod, and the preceding wheel assembly includes front fork, preceding Wheel, front axle and front mudguard, the rear wheel assembly include rear fork, rear-wheel, hind axle and rear mudguard, and the vehicle frame includes one Longitudinally fixed axis and an arc connection frame, the front fork are fixedly connected with lifting regulating rod, the front end of the arc connection frame with Lifting regulating rod is fixedly connected, and the rear end of the arc connection frame is fixedly connected with the front end of longitudinally fixed axis, and the longitudinal direction is solid The rear end of dead axle is fixedly connected with rear fork.

A kind of embodiment, the driving wheel include inner sleeve and housing, pawl are hinged in the peripheral part of inner sleeve, in housing Inner wall be equipped with ratchet compatible with pawl, be equipped with helical teeth, and the internal diameter and rotary sleeve of the inner sleeve in the outer surface of housing Outer diameter interference fit.

A kind of embodiment, the driven wheel is made of the helical teeth portion and chain wheel portion of the coaxial heart, in the outer surface in helical teeth portion Equipped with helical teeth, and rolling bearing is socketed in the lateral fixing axle, the internal diameter in the axle center is outer with the rolling bearing Diameter interference fit.

A kind of embodiment, the upper end of the staight shank and the end of pedal connecting rod are connected by pin shaft, under the staight shank It holds and is fixedly connected with foot-operated inside portion.

A kind of preferred embodiment, the lower end of the staight shank are fixedly connected with foot-operated inside portion using detachable.

A kind of embodiment, the upright rider propulsive bicycle further include foot-operated balance mechanism.

A kind of embodiment, the foot-operated balance mechanism include longitudinal rod and transverse bar, and the longitudinal rod is vertically fixed on Positioned at the bottom of the longitudinally fixed axis of pedal connecting rod front side or rear side side, the central part of the transverse bar and the lower end of longitudinal rod Rotation connection, and the both ends of the transverse bar are connect with the staight shank for being located at respective end by pin shaft respectively.

A kind of preferred embodiment is installed with loading plate on the longitudinally fixed axis being located in front of pedal connecting rod.

A kind of embodiment is installed with article placing frame or basket on the loading plate.

A kind of preferred embodiment, the upright rider propulsive bicycle further include front wheel braking mechanism or/and rear wheel brake machine Structure.

Compared to the prior art, the advantageous effects of the utility model are:

1) drive mechanism is simple, transmission link is less, and low, high reliablity is lost in energy conversion, saves physical strength；

2) drive mechanism compact, and it is latter half of to concentrate on vehicle body, not only makes car body light, but also carries out convenient for the later period Foldover design；

3) it realizing running mode and drives bicycle, both legs vertically step movement not only conforms with ergonomics, Strength is played convenient for leg when trampling, provides bigger power, and sport and body-building effect can be played；

4) due to mechanical efficiency height, in the case where realizing identical speed, the utility model only needs the wheel of small diameter, from And reducing the center of gravity of bicyclist can, control is easy, and encountering critical situation can be highly-safe conveniently and efficiently from vehicle；

5) since the driving method of the bicycle is using person upright's walking postures, it is easy to begin to learn, and applicable pair It as wide, can be suitably used for children and old man, not only facilitate people's trip, but also obtain body building simultaneously；

In conclusion the utility model is compared with the existing technology, there is marked improvement and practical value.

Detailed description of the invention

Fig. 1 is a kind of schematic perspective view of upright rider propulsive bicycle provided by the embodiment of the utility model；

Fig. 2 to Fig. 6 is the part assembling structure schematic diagram of upright rider propulsive bicycle provided by the embodiment of the utility model；

Fig. 7 is the schematic perspective view of driving wheel provided by the embodiment of the utility model；

Fig. 8 is the schematic perspective view of driven wheel provided by the embodiment of the utility model；

Fig. 9 is the cross-sectional view of driven wheel provided by the embodiment of the utility model.

Figure label is schematically as follows: 1, handlebar assembly；1-1, handle；1-2, lifting regulating rod；2, preceding wheel assembly；It is 2-1, preceding Fork；2-2, front-wheel；2-3, front axle；2-4, front mudguard；3, rear wheel assembly；3-1, rear fork；3-2, rear-wheel；3-3, hind axle； 3-4, rear mudguard；4, it rides；4A, right threading；4B, left threading；4-1, staight shank；5, vehicle frame；5-1, longitudinally fixed axis；5-1-1, Rolling bearing；5-2, arc connection frame；6, rotary sleeve；6-1, opening；7, pedal connecting rod；8, driving wheel；8A, preceding one-way wheel；8B, One-way wheel afterwards；8-1, inner sleeve；The inner sleeve of 8-1A, preceding one-way wheel；The inner sleeve of 8-1B, rear one-way wheel；8-2, housing；8-2A, preceding list To the housing of wheel；8-2-1A, helical teeth A；The housing of 8-2B, rear one-way wheel；8-2-1B, helical teeth B；8-3, pawl；It is 8-3A, preceding unidirectional The pawl of wheel；The pawl of 8-3B, rear one-way wheel；8-4, ratchet；The ratchet of 8-4A, preceding one-way wheel；The spine of 8-4B, rear one-way wheel Tooth；9, lateral fixing axle；10, driven wheel；10-1, axle center；10-2, helical teeth portion；10-2-1, helical teeth C；10-3, chain wheel portion；11, Sprocket wheel；12, chain；13, balance mechanism is ridden；13-1, longitudinal rod；13-2, transverse bar；14, loading plate；15, rear wheel brake machine Structure.

Specific embodiment

Below with reference to drawings and examples to the technical solution of the utility model do further it is clear, describe in detail.

Embodiment

A kind of upright rider propulsive bicycle provided by the utility model as shown in Figure 1:, including handlebar assembly 1, preceding wheel assembly 2, rear wheel assembly 3, foot-operated 4 and vehicle frame 5, the handlebar assembly 1 include handle 1-1 and lifting regulating rod 1-2, the preceding wheel assembly 2 include front fork 2-1, front-wheel 2-2, front axle 2-3 and front mudguard 2-4, the rear wheel assembly 3 include rear fork 3-1, rear-wheel 3-2, Hind axle 3-3 and rear mudguard 3-4.

Please in conjunction with shown in Fig. 1 to Fig. 6:

Vehicle frame 5 described in the present embodiment include a longitudinally fixed axis 5-1 and arc connection frame a 5-2, the front fork 2-1 with Lifting regulating rod 1-2 is fixedly connected, and the front end of the arc connection frame 5-2 is fixedly connected with lifting regulating rod 1-2, the arc The rear end of connection frame 5-2 is fixedly connected with the front end of longitudinally fixed axis 5-1, the rear end of the longitudinally fixed axis 5-1 and rear fork 3-1 It is fixedly connected；Equipped with rotary sleeve 6, (specifically, the present embodiment is in longitudinally fixed axis to turning set outside the longitudinally fixed axis 5-1 It is socketed rolling bearing 5-1-1 on 5-1, is socketed in rotary sleeve 6 outside rolling bearing 5-1-1, please refers to shown in Fig. 5), in institute It states and is successively socketed with pedal connecting rod 7, preceding one-way wheel 8A and rear one-way wheel 8B, the preceding one-way wheel 8A on rotary sleeve 6 front to back certainly It is a pair of of mirror symmetry with rear one-way wheel 8B and is equipped with the single-lift ratchet mechanism of internal messing, is externally provided with helical teeth (as shown in Figure 6 8-2-1A and 8-2-1B) driving wheel 8, on the rotary sleeve between preceding one-way wheel 8A and rear one-way wheel 8B be equipped with opening 6-1 is vertically installed with lateral fixing axle 9 on the longitudinally fixed axis being located in opening 6-1, turns in the lateral fixing axle 9 It is dynamic to be arranged with driven wheel 10 (specifically, the present embodiment is the socket rolling bearing (not shown) in lateral fixing axle 9, so After be socketed in driven wheel 10 outside rolling bearing), the driven wheel 10 be equipped with and the helical teeth 8-2-1A and 8-2- on driving wheel 8 The compatible helical teeth C 10-2-1 (please referring to shown in Fig. 6) of 1B, also, the driven wheel 10 and it is socketed in the end hind axle 3-3 The sprocket wheel 11 in portion is sequentially connected by chain 12.

Described foot-operated 4 are rotatablely connected by staight shank 4-1 and pedal connecting rod 7, and in the present embodiment, the staight shank 4-1's is upper End is connect with the end of pedal connecting rod 7 by pin shaft, and the lower end of the staight shank 4-1 is fixedly connected (preferably with foot-operated 4 inside portion It is detachable to be fixedly connected, so that the maintenance in later period dismounts).

In order to guarantee that foot-operated 4 can be always in state of marking time vertically, the upright rider propulsive bicycle is also wrapped Include foot-operated balance mechanism 13, in the present embodiment, the foot-operated balance mechanism 13 includes longitudinal rod 13-1 and transverse bar 13-2, institute It states longitudinal rod 13-1 and is vertically fixed on and (be shown in the figure front side, but can also be with positioned at 7 front side of pedal connecting rod or rear side side Rear side side) longitudinally fixed axis 5-1 bottom, the lower end of the central part of the transverse bar 13-2 and longitudinal rod 13-1, which rotate, to be connected It connects, and the both ends of the transverse bar 13-2 are connect with the staight shank 4-1 for being located at respective end by pin shaft respectively.

Between foot-operated 4 staight shank 4-1 and pedal connecting rod 7 be rotation connection due to connecting for shown in Fig. 4, and with transverse direction It is also rotation connection between bar 13-2, and between transverse bar 13-2 and longitudinal rod 13-1 is also rotation connection, therefore, staight shank 4-1 Movable parallelogram is formed with pedal connecting rod 7 and transverse bar 13-2, it is past up and down under right threading 4A, left threading 4B are being stepped on When moving again, staight shank 4-1 is able to maintain parallel relation with 13-1 under parallelogram principle effect always, i.e., always vertically to Under, hereby it is ensured that right threading 4A, left threading 4B remain horizontality, will not tilt with pedal connecting rod 7, so as to Guarantee that bipod can vertically trample foot-operated 4, really realizes and moved ahead with the upright running posture driving bicycle, made Bicyclist feels safe, comfortably.

Please in conjunction with shown in Fig. 5 and Fig. 7, the complete phase of structure of preceding one-way wheel 8A and rear one-way wheel 8B described in the present embodiment Together, it is only assemblied on rotary sleeve 6 with mirror symmetry；The preceding one-way wheel 8A and rear one-way wheel 8B is driving wheel 8, including Inner sleeve 8-1 and housing 8-2 is hinged with pawl 8-3 in the peripheral part of inner sleeve 8-1, is equipped with and pawl 8-3 in the inner wall of housing 8-2 The internal diameter of compatible ratchet 8-4, the inner sleeve 8-1 and the outer diameter of rotary sleeve 6 are interference fitted.

Please in conjunction with shown in Fig. 8 and Fig. 9, driven wheel 10 described in the present embodiment is the helical teeth portion 10-2 by coaxial heart 10-1 It is formed with chain wheel portion 10-3, is socketed with rolling bearing (not shown) in the lateral fixing axle 9, the axle center 10-1's Internal diameter and the outer diameter of the rolling bearing (not shown) are interference fitted；To helical teeth portion 10-2 and preceding one-way wheel 8A or after When engaged transmission occurs for one-way wheel 8B, it can synchronize and send power to chain wheel portion 10-3, then chain is sent to by chain wheel portion 10-3 Wheel 11, so that rear-wheel 3-2 be driven to move ahead.

In addition, can on the longitudinally fixed axis 5-1 for being located at the front of pedal connecting rod 7 fixed loading plate 14, to be used for carrier Or object；As further convenient design, can also on the loading plate 14 a fixed article placing frame or basket (not shown), with Just bicyclist uses.And for the ease of safety traffic control, existing conventional design also can be used, it uprightly marks time in described Front wheel braking mechanism is installed additional on formula bicycle or/and rear wheel brake mechanism (is rear wheel brake mechanism shown in the present embodiment Fig. 1 15, but be not limited to as shown in the figure).

The course of work of upright rider propulsive bicycle described in the utility model is as follows:

It please refers to shown in Fig. 3 and Fig. 4, when right crus of diaphragm steps on right threading 4A, foot-operated company can be made towards direction of advance of riding The right end of bar 7 downwards, left end move upward, because pedal connecting rod 7 is socketed on rotary sleeve 6, therefore the right side that pedal connecting rod 7 generates End downwards, left end upward lifted up movement rotary sleeve 6 can be caused to rotate clockwise, and because the inner sleeve 8-1A of preceding one-way wheel with The inner sleeve 8-1B of one-way wheel is socketed on rotary sleeve 6 afterwards, when rotary sleeve 6 rotates clockwise, preceding one-way wheel it is interior Set 8-1A with the inner sleeve 8-1B of rear one-way wheel is necessarily synchronous rotates clockwise；Referring again to shown in Fig. 3 as it can be seen that current one-way wheel Inner sleeve 8-1A when rotating clockwise, the pawl 8-3A on preceding one-way wheel will be engaged with ratchet 8-4A phase, at this time before it is unidirectional The inner sleeve 8-1A of wheel drives the housing 8-2A of preceding one-way wheel as rotary sleeve 6 rotates clockwise together；Due to rear one-way wheel 8B and preceding one-way wheel 8A are the one-way wheels that a pair of of mirror symmetry is assemblied on rotary sleeve 6, thus as shown in Figure 4 as it can be seen that when after it is single When being rotated clockwise to the inner sleeve 8-1B of wheel with rotary sleeve 6, between the pawl 8-3B and ratchet 8-4B on rear one-way wheel In the state of being separated, the housing 8-2B of one-way wheel does equidirectional rotation after the rotation of the inner sleeve 8-1B of rear one-way wheel cannot drive.

Referring again to shown in Fig. 6, because the housing 8-2A of preceding one-way wheel is equipped with the housing of helical teeth A 8-2-1A, rear one-way wheel 8-2B is equipped with helical teeth B 8-2-1B, and helical teeth A 8-2-1A and helical teeth B 8-2-1B are mirror symmetry relationships, therefore, when from When helical teeth C 10-2-1 compatible with helical teeth A 8-2-1A and helical teeth B 8-2-1B is set on the helical teeth portion 10-2 of driving wheel 10, from Driving wheel 10 will be respectively formed the matching relationship being meshed with the housing 8-2B of the housing 8-2A of preceding one-way wheel and rear one-way wheel；Therefore, When the housing 8-2A of current one-way wheel is rotated clockwise together with rotary sleeve 6, the housing 8-2A of preceding one-way wheel will be driven Driven wheel 10 generate it is forward rotate in the forward direction, and when driven wheel 10 generates forward rotate in the forward direction, necessarily will push same with it When the housing 8-2B of rear one-way wheel that engages rotation counterclockwise occurs.

In addition, referring again to shown in Fig. 1 as it can be seen that since driven wheel 10 is logical with the sprocket wheel 11 that is socketed in the end hind axle 3-3 The transmission connection of chain 12 is crossed, therefore, when driven wheel 10 generates forward rotate in the forward direction, before rear-wheel 3-2 will necessarily be driven to generate Row movement.

Conversely, when left foot steps on left threading 4B, it will make pedal connecting rod 7 left end downwards, right end move upward, thus Cause rotary sleeve 6 to occur to rotate counterclockwise, and then drives the inner sleeve 8-1A of preceding one-way wheel synchronous with the inner sleeve 8-1B of rear one-way wheel Rotation counterclockwise occurs；And as shown in Figure 3 as it can be seen that when rotation counterclockwise occurs for the inner sleeve 8-1A of current one-way wheel, preceding one-way wheel On pawl 8-3A will be separated with ratchet 8-4A, at this time before one-way wheel inner sleeve 8-1A cannot drive before one-way wheel housing 8- 2A occurs to rotate counterclockwise together with rotary sleeve 6；And as shown in Figure 4 as it can be seen that when after one-way wheel inner sleeve 8-1B with rotation When rotation counterclockwise occurs for set 6, it is in phase occlusive state between the pawl 8-3B and ratchet 8-4B on rear one-way wheel, rear one-way wheel The rotating counterclockwise to synchronize the housing 8-2B of one-way wheel after drive of inner sleeve 8-1B does rotation counterclockwise；And in the outer of rear one-way wheel Set 8-2B is when doing rotation counterclockwise, will drive driven wheel 10 generate it is forward rotate in the forward direction, and driven wheel 10 generate it is forward just To when rotation, rear-wheel 3-2 is also necessarily driven to generate forward movement, the housing 8-2A of preceding one-way wheel is under the promotion of driven wheel at this time It rotates clockwise.

From the above mentioned as it can be seen that trampling movement with replacing for right crus of diaphragm by left foot, it is able to achieve the lasting forward movement of rear-wheel.

In addition, it should be noted that: the core innovation of the utility model is about the upright rider propulsive bicycle The ingehious design of drive mechanism, as the design of other structures, such as: shape, the shape of lifting adjusting structure, wheel of handlebar With size, the design of foldable structure etc., the prior art can be used and conventional design is accordingly designed, this will not be repeated here and Particular determination.

In summary as it can be seen that the utility model not only realizes standing walking manner driving bicycle, but also drive mechanism Simply, transmission link is less, and low, high reliablity is lost in energy conversion, saves physical strength, and drive mechanism compact, and collect In it is latter half of in vehicle body, not only make car body light, but also carry out foldover design convenient for the later period, and it is safe and reliable, begin to learn it is easy, Applicable object is wide, not only facilitates people's environmental protection trip, can also play sport and body-building effect simultaneously；Therefore, the utility model phase For the prior art, there is marked improvement and application value.

It is last it is necessarily pointed out that: the foregoing is merely the preferable specific embodiments of the utility model, but this The protection scope of utility model is not limited thereto, and anyone skilled in the art discloses in the utility model In technical scope, any changes or substitutions that can be easily thought of, should be covered within the scope of the utility model.

Claims

1. a kind of upright rider propulsive bicycle, including handlebar assembly, preceding wheel assembly, rear wheel assembly, foot-operated and vehicle frame；Its feature exists In: the vehicle frame includes a longitudinally fixed axis, and turning set is equipped with rotary sleeve outside the longitudinally fixed axis, on the rotary sleeve From pedal connecting rod, preceding one-way wheel and rear one-way wheel is successively socketed with front to back, the preceding one-way wheel and rear one-way wheel are a pair of of mirrors As driving wheel that is symmetrical and being equipped with the single-lift ratchet mechanism of internal messing, be externally provided with helical teeth, positioned at preceding one-way wheel and unidirectional afterwards Rotary sleeve between wheel is equipped with opening, lateral fixing axle is vertically installed on the longitudinally fixed axis being located in opening, in institute It states turning set in lateral fixing axle and is equipped with driven wheel, the driven wheel is equipped with helical teeth compatible with driving wheel, also, described Driven wheel is sequentially connected with the sprocket wheel for being socketed in hind axle end, and the foot-operated staight shank that passes through is rotatablely connected with pedal connecting rod.

2. upright rider propulsive bicycle according to claim 1, it is characterised in that: the handlebar assembly includes handle and liter Falling tone pole, the preceding wheel assembly include front fork, front-wheel, front axle and front mudguard, the rear wheel assembly include rear fork, after Wheel, hind axle and rear mudguard, the vehicle frame include a longitudinally fixed axis and an arc connection frame, the front fork and lift adjustment Bar is fixedly connected, and the front end of the arc connection frame is fixedly connected with lifting regulating rod, the rear end of the arc connection frame and vertical It is fixedly connected to the front end of fixing axle, the rear end of the longitudinally fixed axis is fixedly connected with rear fork.

3. upright rider propulsive bicycle according to claim 1, it is characterised in that: the driving wheel includes inner sleeve and outer Set, is hinged with pawl in the peripheral part of inner sleeve, ratchet compatible with pawl is equipped in the inner wall of housing, in the outer surface of housing Equipped with helical teeth, and the outer diameter of the internal diameter of the inner sleeve and rotary sleeve is interference fitted.

4. upright rider propulsive bicycle according to claim 1, it is characterised in that: the driven wheel by the coaxial heart helical teeth Portion and chain wheel portion composition are equipped with helical teeth in the outer surface in helical teeth portion, are socketed with rolling bearing in the lateral fixing axle, described The outer diameter of the internal diameter in axle center and the rolling bearing is interference fitted.

5. upright rider propulsive bicycle according to claim 1, it is characterised in that: the upper end of the staight shank and pedal connecting rod End by pin shaft connect, the lower end of the staight shank with ride inside portion be fixedly connected.

6. upright rider propulsive bicycle according to claim 1, it is characterised in that: the upright rider propulsive bicycle is also Including riding balance mechanism.

7. upright rider propulsive bicycle according to claim 6, it is characterised in that: the foot-operated balance mechanism includes longitudinal Bar and transverse bar, the longitudinal rod are vertically fixed on the bottom of the longitudinally fixed axis positioned at pedal connecting rod front side or rear side side, The central part of the transverse bar and the lower end of longitudinal rod are rotatablely connected, and the both ends of the transverse bar are respectively and positioned at respective end The staight shank in portion is connected by pin shaft.

8. upright rider propulsive bicycle according to claim 1, it is characterised in that: in the longitudinal direction being located in front of pedal connecting rod Loading plate is installed in fixing axle.

9. upright rider propulsive bicycle according to claim 8, it is characterised in that: be installed with glove on the loading plate Frame or basket.

10. upright rider propulsive bicycle according to any one of claim 1 to 9, it is characterised in that: described uprightly steps on Step formula bicycle further includes front wheel braking mechanism or/and rear wheel brake mechanism.