CN1743220A

CN1743220A - Self-operated pedal cycle

Info

Publication number: CN1743220A
Application number: CNA2005100217599A
Authority: CN
Inventors: 孙群
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-09-28
Filing date: 2005-09-28
Publication date: 2006-03-08

Abstract

A manual scooter is disclosed, which comprises bracket, front wheel and back wheel, drive set of back wheel, two pedals and their power drive gear. The pedals movably connect the bracket to conduct alternated up and down interaction. In said back wheel drive set are fitted with two sets of cord wheel coaxial with the back wheel and two single-direction mechanisms connected respectively to corresponding cord wheel. The two single-direction mechanisms are in drive connection with the back wheel. The said pedal power drive gear is a pull-type drive gear that comprises two guy cables in drive connection respectively with corresponding cord wheel. In the power drive gear can be fitted with pulley group or large small cord wheel set speed-changing mechanism.

Description

Self-operated pedal cycle

Affiliated technical field:

The present invention relates to a kind ofly by human body gravity or legpower scooter voluntarily, particularly relate to and a kind ofly spur two unidirectional mechanisms in the upper and lower mutual interlock mode of two pedal and order about the rear wheel walking, and realize the scooter device of pedal and drag-line self-return.

Background technology:

At present commercially available two to three-wheel scooter, mainly is that a feet step on the ground by the people obtains to utilize inertia walking behind the power, and it needs single pin frequently pedal ground, and is not too convenient.In the patent documentation of bulletin, patent ZL01222047.7 and ZL02202242.2 document have disclosed and have utilized pedal through-coupling connecting rod (tooth bar), order about the scooter device of gear cluster speed change transmission again.Though solving, these devices utilize pedal power to order about rear wheel rotation walking, because of it is that structure is numerous and diverse, heavy first by the gear cluster speed change; Second setting accuracy requires high; There is pedal can only lean on spring to realize return again.Patent ZL02234418.7, ZL200320105635.5 and application for a patent for invention number are that 200310105597.8 documents all disclose or essence discloses a kind of pedal (or pedal rod) pulling chain that utilizes, chain orders about the scooter device of gear cluster speed change transmission again, this class device has adopted the spring return mechanism too, and when adopting two pedal, also can't realize the interactive return between the two pedal.

Summary of the invention:

At above-mentioned situation, the invention provides the drive rear wheels walking of the two unidirectional mechanisms of a kind of two pedal pulling, and in the two pedal interaction, realize the scooter of pedal and drag-line self-return.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: scooter of the present invention comprises kickstand (3), front and back wheel (2,4), back-wheel drive assembly (A) and is arranged on two pedal (5,6) and pedal Power train assembly (B) on the kickstand; Wherein, two pedal by coupling assembling (as be connected as a single entity scratch board-like two pedal by hinge with the Connection Block matable assembly or by being connected lever and balanced connecting rod matable assembly etc.) be movably connected on the kickstand and be on one, once mutual interlock, in the back-wheel drive assembly, be provided with two groups with the coaxial line of back wheels of vehicle wheel (10,11) and corresponding line wheel unidirectional mechanism of bonded assembly (12,13) with it respectively, two unidirectional mechanisms (employing ratchet or roll clutch structure etc.) are in transmission connection with rear wheel again; Pedal Power train assembly is the extending type transmission mechanism component, comprises the drag-line (17,18) and the cooresponding with it track adjusting wheel (19,20) that are connected on the two pedal, and its drag-line is in transmission connection with its cooresponding respectively line wheel again.Press when pin and to step on a certain pedal and when making it to bottom offset, another pedal rotate in homologous lines wheel rear drive back wheels of vehicle to the drag-line transferring power of top offset pedal one side, and the drag-line on the bottom offset pedal also obtains return automatically just automatically to top offset; Vice versa.

The above-mentioned drag-line on a certain pedal in the two pedal (17 or 18) that is connected to is respectively after cooresponding track adjusting wheel, directly be wrapped on the cooresponding line wheel (10 or 11), the return drag-line (48 or 49) of drawing from line wheel (10 or 11) is again through being connected (referring to Figure 16-17) on another pedal after the offside track adjusting wheel.This is one of the simplest power delivery mode that the present invention can relate to.Drag-line pulls wire wheel on one pedal, and when the unidirectional transmission back wheels of vehicle of unidirectional mechanism rotated, the homonymy return drag-line on another pedal promptly obtained return on this line wheel.In this scheme, its steel cable drag-line can directly substitute with chain, and this moment, corresponding track adjusting wheel and line wheel then adopted gear structure; Wherein one of a chain section also can be adopted drag-line (51) structure and in the drag-line section track adjusting wheel (52) (referring to Figure 18-20) is set, and the purpose that adopts the drag-line section is to guarantee that further chain can arranged in dislocation.

In such scheme,, after corresponding track adjusting wheel, directly twine on the cooresponding line wheel (10,11) at the drag-line on the pedal (17,18), but two return drag-lines of drawing on its line wheel also direct connection go up (referring to Figure 23) at same turning spur guide wheel (55).On two pedal one, in the interaction once, two return drag-lines directly through behind this turning spur guide wheel on cooresponding line wheel return.

The present invention is provided with variable transmission mechanism in its pedal Power train assembly, its variable transmission mechanism can adopt multiple mode to realize, comprising assembly pulley speed-changing mechanism and large and small line wheels speed-changing mechanism.The assembly pulley speed-changing mechanism comprises two kinds of basic modes again, the first with pedal bonded assembly drag-line on all be connected an assembly pulley, two power drag-lines (30,31) on two assembly pulleys are wrapped in respectively on the corresponding line wheel (10,11), and two return drag-lines (32,33) of drawing from two lines wheels (10,11) are connected same return wire carrier (35) again and go up (referring to Fig. 8) respectively.They are two years old, with pedal bonded assembly drag-line on all be connected the speed-changing mechanism that constitutes by 2～6 assembly pulleys, the other end of the drag-line on pedal running block axle (23) direct and assembly pulley is in transmission connection, and this running block axle is gone up (referring to Fig. 2-5), running block axle (23) displacement with the pulling of the drag-line on the pedal (17,18) by the underframe (25) that flexible connection assembly (as by chute slide rail matable assembly or swing arm arm shaft matable assembly etc.) is movably connected in kickstand; Two power drag-lines (30,31) of drawing from assembly pulley are wrapped in respectively again on the cooresponding line wheel (10,11), and two return drag-lines (32,33) that two lines wheels (10,11) are drawn are respectively through being fixed in behind the corresponding movable pulley on the base plate on the kickstand.After the assembly pulley speed change, can significantly increase the rotating speed of back wheels of vehicle, improve pin and press and step on the scooter travel distance that pedal brings.

Large and small line wheels speed-changing mechanism is made of coaxial large and small line wheel (36,37), its large and small line wheels axle (38) is connected kickstand (3) and goes up (referring to seeing 9～11), be wrapped in respectively on the little line wheel (36) with pedal bonded assembly drag-line (17,18), the corresponding line that two power drag-lines (30,31) on two big line wheels (37) are wrapped in respectively again on the rear vehicle shaft is taken turns on (10,11), and two return drag-lines (32,33) of drawing from two lines wheels (10,11) are in transmission connection with corresponding big line wheel (37) again.The diameter that the speed change speed of this speed-changing mechanism depends primarily on large and small line wheel than and the diameter ratio of big line wheel and (on the hind axle) line wheel.

The present invention solves aforementioned technical problem and also can adopt following scheme to realize: this programme scooter comprises kickstand (3), front and back wheel (2,4), back-wheel drive assembly (A) and is arranged on two pedal (5,6) and pedal Power train assembly (B) on the kickstand; Wherein two pedal also be by flexibly connect assembly be movably connected on the kickstand and be on one, once mutual interlock, in the back-wheel drive assembly, be provided with the drive wheel (39) that is in transmission connection with rear wheel; Pedal Power train assembly comprises respectively with two pedal bonded assembly chain (40,41) and is arranged on track adjusting wheel (42) and two ratchet (43,44) on the kickstand (3), and on ratchet axle (45), be connected with power output wheel (46), wherein chain (40,41) all is connected by meshing transmission with cooresponding ratchet; By being connected (referring to Figure 12-14) by chain, belt or gearbox drive again between the drive wheel (39) on the power output wheel (46) of the unidirectional transmission of ratchet and the back wheels of vehicle axle.The upper and lower interlock of the two pedal of this programme can drive chain (40,41) and order about the self-return that ratchet rotated and realized simultaneously chain, and the speedup in the transmission device can be by tooth ratio or the diameter arrangement with drive wheel solves to power output wheel.

In the such scheme, chain on its pedal (40,41) can be substituted by steel cable drag-line (17,18), ratchet (43,44) is corresponding to be substituted by the line wheel (74,75) with unidirectional mechanism, directly twines online wheel the (74,75) with pedal bonded assembly drag-line (17,18) and goes up (referring to Figure 15).When pedal drag-line pulls wire wheel and after ordering about the power output wheel unidirectional rotation, its power can be delivered on the drive wheel, and the latter drives back wheels of vehicle again and rotates.

What deserves to be mentioned is, all can connect a movable pulley (50) on pedal in the various schemes of scooter of the present invention, an end of its steel cable drag-line or chain is fixed in kickstand (3) and goes up (referring to Figure 18-19) behind this movable pulley.Increase this movable pulley, can improve the pin pressure and step on the garage's journey behind the pedal one time.

Self-operated pedal cycle of the present invention has following good effect: at first, because it adopts uprightly to step with the steel cable drag-line and spurs, so it can accomplish that volume is little, in light weight, be convenient to fold and carry, meet present bicycle with pedal to light and handy, steamboat, collapsible developing direction; Secondly, it has stand-type constructional feature, makes that center of gravity is low when using, and HOP ON, easy, so safe, than the easier hedging of bicycle; Simultaneously can overcome the problem that influences teenager's bone, muscle development that present long-term use bicycle brings; Once more, all transmission of powers, speed change can adopt the rolling type of drive to carry out, and resistance is little; Speed-changing mechanism can select simple Slide Group or large and small line wheels to realize, can not need complicated, heaviness and processing request height, speed-change gear that resistance is bigger; At last, its integral structure is simple, rationally, firmly (when especially adopting chain), utilize two pedal mutual drawing flowing mode, be equipped with speed-changing mechanism and unidirectional mechanism again, can finish the entire exercise of speed change, break-in, transmission of power and return, and reliable in action, the power transmission efficiency height.The present invention can make similar Kickboard Scooter, bicycle, three-wheel or four-wheeled, also power system can be installed on the slide plate, make the self-power slide plate, with the needs of the outdoor exercises of satisfying different crowd, it be integrate environmental protection, ride instead of walk, the novel tool movement of outdoor activity; Also can make the easy instrument that transports on factory, shop, airport etc.

Description of drawings:

Below in conjunction with drawings and Examples structure of the present invention is described further.

Fig. 1 is the present invention's one surface structure scheme drawing

Fig. 2 is the kickstand inner structure scheme drawing of Fig. 1

Fig. 3 is the back-wheel drive unit construction scheme drawing of band line wheel

Fig. 4 is another kickstand inner structure scheme drawing of Fig. 1

Fig. 5 is the running block axle connection mode scheme drawing of Fig. 4

Fig. 6-the 7th, the online canoe scheme drawing of taking turns of drag-line

Fig. 8 is the structural representation that speed-changing mechanism adopts an assembly pulley

Fig. 9～11st, large and small line wheels speed-changing mechanism scheme drawing

Figure 12 is the present invention's one pedal Power train unit construction scheme drawing

Figure 13 is the chain transferring power scheme drawing of Figure 12

Figure 14 is the back-wheel drive unit construction scheme drawing that matches with Figure 12 structure

Figure 15 is the structural representation after the chain of Figure 12 is replaced by drag-line

Figure 16-the 17th, structural representation of the present invention not with a speed change mechanism

Figure 18-the 19th, Figure 16-17 are equipped with the structural representation of movable pulley between kickstand and pedal

Figure 20 is that the H place of Figure 19 connects enlarged diagram

Figure 21 is the back-wheel drive unit construction scheme drawing of band gear

Figure 22 is another surface structure scheme drawing of the present invention not with a speed change mechanism

Figure 23 is the kickstand inner structure scheme drawing of Figure 22

Figure 24 is the two pedal backsight structural representation of Figure 22

Figure 25 is the double rear wheel structural representation of Figure 22-23

Figure 26-the 30th, two pedal and kickstand connection mode scheme drawing

The specific embodiment:

Self-operated pedal cycle (see figure 1) of the present invention, have: handlebar 1, front vehicle wheel 2, kickstand 3, rear wheel 4, the front and back two

pedal

5,6 that is connected as a single entity, wherein two

pedal

5,6 is by cooperating the coupling assembling of being formed to be movably connected on the kickstand 1 by the Connection Block on hinge on the pedal 7 and the support 8, two

pedal

5,6 constitutes and scratches the formula pedal thus, can be on one, mutual interlock once; On the back wheels of vehicle axle, be provided with the back-wheel drive assembly A (see figure 2) that constitutes by two groups of line wheels 10,11 and the two unidirectional mechanisms 12,13 of corresponding line wheel bonded assembly, rear wheel 4 is by bearing installation (see figure 3) on hind axle 14, two unidirectional mechanisms 12,13 all adopt ratchet structure, its inner ring is connected as a single entity with trailing wheel fixed mount 15,16 respectively, fixes (referring to Fig. 1) with the gong nail between two fixed mounts 15,16; And the overcoat of two ratchets 12,13 of unidirectional mechanism be connected as a single entity with the line wheel 10,11 of band coiling thread groove respectively (unidirectional mechanism removes the employing ratchet, also can adopt roller (pin) clutch configuration, can referring to Figure 25).At two

pedal

5,6 and back-wheel drive assembly A between be provided with pedal Power train assembly (B) (see figure 2), this transmission mechanism component (B) comprises respectively and two pedal bonded assembly steel cable drag-

line

17,18 and be located at corresponding track adjusting wheel 19 on the kickstand 3,20 and by 2 assembly pulleys 21, the assembly pulley speed-changing mechanism that 22 (annotate: the assembly pulley number can adopt 2～6) constitute, running block axle 23 is fixed on the line slide rail 24, slide rail 24 can with ball spout 26 bearing fits on the underframe 25 that is located at kickstand, be that running block axle 23 is by being movably connected on the underframe by slide rail 24 and chute 26 matable assemblies, drag-line 17 on the two pedal, 18 the other end is connected on the adapter plate 34 of running block axle 23, thus, running block axle 23 can be with drag-

line

17,18 pulling and displacement; This flexible connection also can adopt other multiple modes to realize, mode is connected running block axle 23 in the swing arm 27 shown in Fig. 4-5 as adopting, and swing arm 27 is movably connected on the swinging rack 29 on the underframe by arm shaft 28 again; 9 return fixed point for drag-line the end of a thread among the figure, one end of two power steel cable drag-

lines

30,31 that the sister block group is drawn twines cooresponding line wheel 10,11, two lines wheel 10,11 two return drag-

lines

32,33 of drawing respectively respectively through being fixedly connected on (referring to Fig. 2, Fig. 4) on the underframe 25 on the kickstand behind the corresponding movable pulley.The online canoe of taking turns of drag-line mainly contains two kinds in the such scheme, a kind of mode is a power drag-line 30 and the fixing online both sides (see figure 6) of taking turns 10 coiling thread groove of the end of a thread of return drag-line 32 73, another way is the fixing online middle part (see figure 7)s of taking turns 10 coiling thread groove of two the end of a thread, attachment point 73 among Fig. 7 also can be considered an online winding initial point of taking turns of drag-line, and frictionally is fixed; Drag-line canoe on the line wheel 11 in like manner repeats no more.In addition, also can all remove assembly pulley in Fig. 2 and Fig. 4 scheme, and will be through drag-line the end of a thread direct connection of movable pulley on former running block axle 23.

Speed-changing mechanism in the such scheme also can adopt 1 assembly pulley to constitute (see figure 8), drag-

line

17,18 from two pedal is connected with a movable pulley 21 respectively, power drag-

line

30,31 on two assembly pulleys is wrapped in respectively on the line wheel on the cooresponding hind axle, be connected on the same return wire carrier 35 from line wheel 10, the 11 return drag-lines of drawing 32,33 respectively, guide wheel 35 is connected on the underframe 25 again.

In above-mentioned pedal Power train assembly (B), except that can adopting the assembly pulley speed-changing mechanism, also can adopt by greatly, little line wheel 36, the 37 line wheels speed-changing mechanisms (seeing Fig. 9～11) that constitute, structure shown in Figure 9 is that kickstand 3 is one, greatly,

little line wheel

36,37 are connected as a single entity, greatly, little wire wheel axis 38 is fixedly connected on the mono-kickstand 3, drag-line 17 from two pedal, 18 respectively have two covers, twine respectively or be connected on the little wire casing wheel 36, from two big wire casing wheel 37 two power drag-lines 30 of drawing, 31 respectively with hind axle on corresponding line wheel 10,11 are in transmission connection, from two lines wheel 10,11 two return drag-lines 32 of drawing, 33 are in transmission connection with cooresponding big line wheel 37 respectively again, and (structure of Fig. 9 is: big, little wire wheel axis is fixed, and it is big, the rotation of little line wheel winding wheel shaft, the drag-line of drawing from pedal has two covers); What structure shown in Figure 10 was different with Fig. 9 structure is, large and small wire wheel axis 38 is movably connected in (being that wire wheel axis rotates) on the mono-kickstand 3 by bearing, and large and small line wheel is fixed in the rotating shaft 38, has only a cover from the drag-

line

17,18 of two pedal; What structure shown in Figure 11 was different with Figure 10 structure is, kickstand 3 is two, and large and small wire wheel axis 38 is fixed on (being that wire wheel axis is fixed) on the kickstand 3, and former two little lines wheels 36 are combined into one, the rotation of large and small line wheel winding wheel shaft.Among Fig. 9-11, drag-line on large and

small line wheel

36,37 and line wheel 10,11 canoe and Fig. 6-7 shown in mode roughly the same; Because the drag-line between the line wheel on big line wheel and the hind axle easily keeps balance, so be difficult for off-line, the transmission of power effect is better in this scheme.

Self-operated pedal cycle of the present invention also can adopt pedal Power train assembly (B) structure shown in Figure 12～13, and the scooter of its formation has on handlebar shown in Figure 1, the front and back wheel and equally, the two pedal of interlock (Figure 12 saves these structures) once; Be provided with the driven wheel 39 (seeing Figure 14) that is in transmission connection with rear wheel in back-wheel drive assembly (A), driven wheel 39 can be the gear of interior order to mechanism's ratchet, also can be common sprocket gear; If the band ratchet, then ratchet inner ring and trailing wheel fixed mount are connected as a single entity, if common sprocket gear, driven wheel or be connected then with the rear wheel through-coupling, or be fixedly connected in the rotating shaft of trailing wheel with rear wheel.In pedal Power train assembly (B), be provided with respectively with two pedal bonded assembly chain 40,41 and be connected on the kickstand 3 jockey sprocket 42 and respectively with the two ratchets 43,44 of chain 40,41 ingears, and on ratchet axle 45, be connected with power output gear 46, be in transmission connection with chain 47 between power output gear 46 and the driven wheel 39 and (annotate: because power output gear is that folk prescription is to driving, as above-mentioned, can establish in the driven wheel 39, also can not establish unidirectional mechanism).Speed change size in this scooter arrangements is main by the tooth ratio decision of power output gear with driven wheel.Except that adopting chain (comprise and contain toothed belt), gearbox drive be connected, also can adopt belt-driving to connect between above-mentioned power output wheel and drive wheel, this moment, the structure of power output wheel and drive wheel was done corresponding change.In such scheme, its chain 40,41 can substitute (seeing Figure 15) by corresponding steel cable drag-

line

17,18, this moment, two ratchets replaced by taking

turns

74,75 with the line of unidirectional mechanism accordingly, order is to the ratchet or the roll clutch (also claiming the needle roller power-transfer clutch) of mechanism in the

line wheel

74,75, ratchet or roll clutch are fixed on again on the wire wheel axis 76, are connected between power output wheel 46 on the wire wheel axis and the driven wheel 39 to be in transmission connection with chain 47; But, the connection mode of drag-line and line wheel also can adopt structure shown in Fig. 9-10 on the pedal.

Self-operated pedal cycle of the present invention also can adopt the basic structure scheme of two kinds shown in Figure 16-17 and Figure 22～23.Figure 16～17 all are structural representations of simplifying, and they have all removed the assembly of driving of handlebar, front and back wheel, the trailing wheel shown in Fig. 1～2, and do not comprise speed-changing mechanism in the pedal Power train assembly again.The common scooter of forming of Figure 16-17.In Figure 16, be connected steel cable drag-line 17 on the pedal 5 after cooresponding track adjusting wheel 19, directly be wrapped on the line wheel 10 on the hind axle, return drag-line 48 on the line wheel 10 through be fixedly connected on after the track adjusting wheel of offside on another pedal 6 (annotate: return drag-line 48 can not with drag-line 17 shorts, the installation of staggering); In Figure 17, the drag-line 18 on the pedal 6 directly is wrapped on the line wheel 11 on the hind axle after cooresponding track adjusting wheel 20, and the return drag-line 49 of drawing on the line wheel 11 is through being fixedly connected on the pedal 5 after the track adjusting wheel of offside.In Figure 16～17, its drag-line all can be replaced by chain, certain corresponding track adjusting wheel and line wheel adopt the gear structure with chain engages, and in Figure 16, can not allow chain occur point of crossing (being short) at grade, the tooth of chain can be done thinly for this reason, allow big and easy skew the in gap in its tooth and the chain link, the installation of so just can staggering.Figure 18 promptly is a kind of structural representation after Figure 17 adopts chain, and is connected with a movable pulley 50 on two pedal, and an end of corresponding chain was through being fixedly connected on the kickstand 3 behind the moving slip teeth wheel; Figure 19 is a kind of structural representation that prevents short after Figure 16 adopts chain, chain 17 through be connected (seeing Figure 20) with one section steel cable drag-line 51 setting up after meshed transmission gear on the hind axle is connected, have additional track adjusting wheel 52 on 51 sections of the drag-lines, so that arranged in dislocation, Figure 19 is connected with a movable pulley 50 equally on two pedal in addition, the slip teeth that is of but installing on the pedal 5 is taken turns, and what install on the pedal 6 is movable pulley.Back-wheel drive assembly assumption diagram when Figure 21 is Figure 18-19 or Figure 16-17 employing chain, the overcoat of two ratchets 12,13 of unidirectional mechanism is connected with gear 53,54 respectively, and the inner ring of two ratchets 12,13 is connected as a single entity with trailing wheel fixed mount 15,16 respectively.

Structure shown in Figure 22-23 is the same with Figure 16-17 all not to be provided with speed-changing mechanism in pedal Power train assembly, its essential distinctive points is that steel cable drag-

line

17,18 is after cooresponding track adjusting wheel, straight line is wrapped on the line wheel 10,11 on the cooresponding hind axle respectively, and the return drag-

line

48,49 on the two lines wheel 10,11 is connected (guide wheel 55 is fixedly connected on the underframe 25) on the same turning spur guide wheel 55.In Figure 22, its two pedal adopts left and right pedal structure (seeing Figure 24), and

pedal

5,6 all is movably connected in (two ends that are parallel rod 56 all are movably connected in respectively on pedal, the kickstand by axle) on the kickstand 3 by two parallel rods 56; On kickstand, be fixedly connected with

wheel bracket

57,3 guide rollers 58 are installed on the wheel bracket 57, left and right sides pedal balance drag-line 59 is through wherein behind the guide roller connecting together left and

right pedal

5,6, when a pedal during to bottom offset, another pedal is inevitable simultaneously to top offset, and the drag-

line

17,18 on the two pedal is transferring power behind a guide roller wherein all; Two pedal among Figure 22 can adopt the formula of scratching two pedal structure shown in Figure 1 equally.The back wheels of vehicle of Figure 22-23 adopts two-wheel structure (seeing Figure 25), two rear wheels 4 all are fixedly connected on the hind axle 14 by locating dowel pin, hind axle 14 is movably connected in (being that hind axle rotates) on the kickstand 3 by bearing again, line wheel 10,11 is connected in the unidirectional mechanism 12,13, unidirectional mechanism can adopt ratchet, and then the inner ring of ratchet is fixedly connected on the rear vehicle shaft 14; Unidirectional mechanism also can adopt roll clutch, and when roll clutch did not have inner ring, its ball or needle roller acted directly on the hind axle, and when roll clutch had inner ring, its inner ring was fixedly connected on the rear vehicle shaft 14.But the trailing wheel of Figure 22-23 also can adopt single wheel structure shown in Figure 3, repeats no more.

The present invention be what deserves to be mentioned is, in above-mentioned all embodiments, all can adopt following measure to be improved or make the scheme variation.One, in being connected of drag-line or chain and pedal, but equal cushioning one springs makes drag-line or chain possess certain Zhang Du, prevents to become flexible, off-line or take off chain.Its two, other schemes all can be as structure shown in Figure 18-19, connects a movable pulley on its two

pedal

5,6, an end of corresponding drag-line or chain is through being fixedly connected on the kickstand 3 behind this movable pulley.Its three, rear wheel all can adopt 1 or 2; When front and back wheel is two-wheeled, flexibly connect with axle between its forward and backward vehicle wheel frame, to guarantee rotation direction.Its four, unidirectional mechanism all can adopt ratchet or roller (pin) clutch configuration, promptly adopts the also available roll clutch in the place of ratchet to replace, vice versa.Its five, aforementioned schemes all adopts rear wheel to drive, they equally also can adopt the front vehicle wheel type of drive; When front vehicle wheel is large-sized wheel, also speed-changing mechanism need not be set.Its six, in the structure of the present invention, also can increase the speed-changing mechanism on the existing bicycle, promptly be installed in the inner gear speed-changing mechanism on the rear vehicle shaft or the chain of exterior multiple tooth wheel disc and stir speed-changing mechanism.Its seven, realize on the two pedal one, the coupling assembling of interlock also can adopt structure shown in Figure 26～30 at least except that adopting Fig. 1 and structure shown in Figure 24 mutually once.Figure 26 is simple and easy connection lever mode, separate two

pedal

5,6 inside are connected with by axle and connect lever 60, the middle part that connects lever is movably connected on the connection support 62 on the kickstand by axle 61, connecting lever 60 can rotate around axle 61 for this reason, when connecting lever and rotating, directly realize two pedal one on, interactive once; When the connection of pedal on the connection lever too swung, steadily move vertically in order to realize pedal, can on pedal, connect guide pillar, respective guide slots is set on the kickstand.Figure 27 connects lever to add the balanced connecting rod mode, pipe link bar 60 two ends connect roller 63, direct and the two pedal downside surface rolling touch of this roller, one end of the trammel beam 64 of four settings is movably connected on the same horizontal equilibrium connecting rod 65 by axle, wherein an end of two balanced connecting rods 64 is movably connected on the pedal by axle, an end of two balanced connecting rods 64 is movably connected on the kickstand 3 by axle in addition, and five balanced connecting rods keep pedal steadily to move vertically.Figure 28 is a dual link lever mode, two middle parts that connect levers 60 are movably connected on the connection support 62 on the kickstand by axle 61, two two ends that connect levers 60 are movably connected on the montant 66 under the pedal by axle respectively, captive joint with pedal in the top of montant 66.Figure 29 is that the return lever adds the balanced connecting rod mode, the nearly middle part of the balanced connecting rod 67 of two intersections is movably connected by axle, one end of balanced connecting rod 67 is movably connected on kickstand or the pedal by axle, the other end is connected with roller 68, roller 68 correspondingly with pedal or kickstand surface rolling touch (fix in order to guarantee rolling track, then can on pedal or kickstand surface, respective rail be set); The return lever 69 that is movably connected on the support 62 by axle 61 places under the balanced connecting rod point of crossing.Figure 30 is that hydraulic actuating cylinder adds balance drag-line mode, on the kickstand under the two pedal 3, respectively be provided with two (1 to 4 also can) hydraulic actuating cylinders 70, the cylinder chamber of hydraulic actuating cylinder is communicated with by conduit 71, the upper end of the movable post 72 of hydraulic actuating cylinder is fixedly connected on the pedal, as structure shown in Figure 24, be connected with two pedal balance drag-line 59 between the two pedal, the power drag-

line

17,18 on the two

pedal

5,6 is transferring power after being connected the guide wheel 58 on the wheel bracket 57 all.

Claims

1. self-operated pedal cycle, comprise kickstand (3), front and back wheel (2,4), back-wheel drive assembly (A) and be arranged on two pedal (5,6) and pedal Power train assembly (B) on the kickstand, it is characterized in that two pedal be movably connected on the kickstand by coupling assembling and be on one, mutual interlock once; Be provided with in the described back-wheel drive assembly two groups with the coaxial line of back wheels of vehicle wheel (10,11) and respectively with it corresponding line take turns the unidirectional mechanism of bonded assembly (12,13), two unidirectional mechanisms are in transmission connection with rear wheel again; Described pedal Power train assembly (B) is the extending type transmission mechanism component, comprises the drag-line (17,18) and the corresponding track adjusting wheel (19,20) that are connected on the two pedal, and cooresponding with it the again line wheel of its drag-line is in transmission connection.

2. according to the described self-operated pedal cycle of claim 1, it is characterized in that being connected to drag-line on the pedal after cooresponding track adjusting wheel, directly be wrapped on the corresponding line wheel on the hind axle, the return drag-line of drawing from the line wheel is through being connected on another pedal after the offside track adjusting wheel.

3. according to the described self-operated pedal cycle of claim 2, it is characterized in that described drag-line is substituted by chain, corresponding track adjusting wheel and line wheel adopt gear structure.

4. according to the described self-operated pedal cycle of claim 1, it is characterized in that drag-line (17,18) on the two pedal is after cooresponding track adjusting wheel, be wrapped in respectively on the corresponding line wheel (10,11) on the hind axle, the return drag-line (48,49) of drawing from two lines wheels (10,11) is connected on the same turning spur guide wheel (55).

5. according to the described self-operated pedal cycle of claim 1, it is characterized in that being provided with the assembly pulley speed-changing mechanism that constitutes by an assembly pulley in the described pedal Power train assembly, be in transmission connection with the movable pulley (21) of corresponding assembly pulley respectively with pedal bonded assembly drag-line (17,18), two power drag-lines (30,31) on two assembly pulleys are wrapped in respectively on the corresponding line wheel (10,11) on the hind axle, and two return drag-lines (32,33) of drawing from two lines wheels (10,11) are connected on the same return wire carrier (35) again.

6. according to the described self-operated pedal cycle of claim 1, it is characterized in that being provided with the assembly pulley speed-changing mechanism that constitutes by 2～6 assembly pulleys in the described pedal Power train assembly, be in transmission connection with the running block axle (23) of assembly pulley respectively with pedal bonded assembly drag-line (17,18), the corresponding line that two power drag-lines (30,31) on the assembly pulley are wrapped in respectively on the hind axle is taken turns on (10,11), and two return drag-lines (32,33) that two lines wheels (10,11) are drawn are respectively through being fixed in behind the corresponding movable pulley on the underframe (25) on the kickstand; Its running block axle (23) is movably connected on the underframe (25) of kickstand running block axle (23) displacement with the pulling of the drag-line on the pedal (17,18) by flexibly connecting assembly.

7. according to the described self-operated pedal cycle of claim 1, it is characterized in that being provided with in the described pedal Power train assembly line wheels speed-changing mechanism that constitutes by the large and small line wheel of coaxial bonded assembly (36,37), be wrapped in respectively on the little line wheel (36) with pedal bonded assembly drag-line (17,18), the corresponding line that two power drag-lines (30,31) on two big line wheels (37) are wrapped in respectively on the hind axle is taken turns on (10,11), and two return drag-lines (32,33) of drawing from two lines wheels (10,11) are in transmission connection with cooresponding big line wheel respectively again; Its large and small line wheels axle (38) is connected on the kickstand (3).

8. according to claim 1,2,3,4,5,6 or 7 described self-operated pedal cycles, it is characterized in that being provided with a movable pulley (50) that is connected on the pedal in the described pedal Power train assembly, an end of drag-line (17,18) or chain is through being fixedly connected on behind this movable pulley on the kickstand (3).

9. self-operated pedal cycle, comprise kickstand (3), front and back wheel (2,4), back-wheel drive assembly (A) and be arranged on two pedal (5,6) and pedal Power train assembly (B) on the kickstand, it is characterized in that two pedal be movably connected on the kickstand by coupling assembling and be on one, mutual interlock once; Be provided with the drive wheel (39) that is in transmission connection with rear wheel in the described back-wheel drive assembly; Described pedal Power train assembly is the extending type transmission mechanism component, comprise respectively and two pedal bonded assembly chain (40,41), two ratchets (43,44) of being arranged on the track adjusting wheel (42) on the kickstand and being connected by meshing transmission with chain (40,41) respectively, and on the ratchet axle, be connected with power output wheel (46), be connected by chain, belt or gearbox drive between power output wheel (46) and the drive wheel (39).

10. according to the described self-operated pedal cycle of claim 9, the chain (40,41) that it is characterized in that being connected on the pedal is substituted by drag-line (17,18), ratchet (43,44) is substituted by the line wheel (74,75) with unidirectional mechanism, twines on online wheel the (74,75) with pedal bonded assembly drag-line (17,18).

11. according to claim 9 or 10 described self-operated pedal cycles, it is characterized in that being provided with a movable pulley (50) that is connected on the pedal in the described pedal Power train assembly, an end of chain (40,41) or drag-line is through being fixed in behind this movable pulley on the kickstand (3).