CN2837188Y - Self-acting scooter - Google Patents

Abstract

The utility model discloses a self-acting scooter which comprises a scooter bracket (3), a front and a rear wheels (2, 4), a rear wheel drive component, double pedals (5, 6) arranged on the scooter bracket, and a pedal power transmission mechanism component. The utility model is mainly characterized in that double pedals are movably connected to the scooter bracket by a connection component and are mutually linked up and down; two sets of line wheels (10, 11) which are coaxial with the scooter rear wheel, and one-way mechanisms (12, 13) which are respectively connected with the corresponding line wheels of the one-way mechanisms (12, 13) are arranged in the rear wheel drive component; double one-way mechanisms form transmission connection with the scooter rear wheel then; the pedal power transmission mechanism component is a drawing type transmission mechanism component and comprises zippers (17, 18) connected with double pedals, and the zippers form transmission connection with the corresponding line wheels of the zippers; in addition, a pulley block or a big or a small line wheel set speed changing mechanism can also be arranged in the power transmission mechanism component. The utility model has the advantages of small size, light weight and convenient folding and portability, and is an outdoor sport tool integrally combining environmental protection, walking replacement, recreation and sport.

Description

Self-operated pedal cycle

Affiliated technical field:

The utility model relates to a kind of by human body gravity or legpower scooter voluntarily, particularly relates to a kind ofly spurring two unidirectional mechanisms in the upper and lower mutual interlock mode of two pedal and ordering about the rear wheel walking, and realizes 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.Disclose the pedal slider that a kind of two pedal can upper and lower mutual interlock though the patent No. is the ZL01135643.X document, equally also adopted the spring return; Adopt the spring return mechanism, remove spring and can consume part kinetic energy, increase outside the driving resistance, because spring can be long, thereby be difficult to install, the vibration of spring simultaneously easily causes drag-line to be job-hoped or chain takes off chain etc.

Summary of the invention:

At above-mentioned situation, the utility model provides drag-line on a kind of two pedal after the speed-changing mechanism speedup, the two unidirectional mechanisms of pulling drive rear wheels walking again, and in the upper and lower interaction of two pedal, realize the scooter of pedal and drag-line self-return.

The technical conceive that the utility model solves the problems of the technologies described above is: the two pedal that the upper and lower mutual interlock of energy is set on kickstand, and in the way of back-wheel drive assembly, be provided with two in the drag-line transferring power on the two pedal and be enclosed within and equity arranged but speed-changing mechanism not exclusively independently on the structure, when ordering about rear wheel at a high speed under the pulling function of the cover drag-line of speed-changing mechanism on a pedal wherein and making unidirectional rotation, another set of speed-changing mechanism is done corresponding revolution, and then makes the drag-line return voluntarily synchronously on another pedal.Specifically, the utility model solves the problems of the technologies described above first technical scheme that is adopted and is: the utility model 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 extending type 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 comprises respectively with pedal drive bonded assembly drag-line (17,18), is fixedly connected on the corresponding track adjusting wheel (19,20) on the kickstand and the speed-changing mechanism (C) of two groups of equities being in transmission connection with drag-line (17,18) respectively again, two power drag-lines (30,31) of drawing from two groups of speed-changing mechanisms (C) respectively with hind axle on corresponding line wheel (10,11) be in transmission connection; A drag-line in two drag-lines (17,18) moves up with pedal and spurs the displacement of corresponding speed-changing mechanism, and another drag-line moves down with pedal and self-return.Press when pin and to step on a certain pedal and when making it to bottom offset, another pedal is just automatically to top offset, to the drag-line transferring power of top offset pedal one side after corresponding speed-changing mechanism speed change, power drag-line drive line on speed-changing mechanism is taken turns rear drive back wheels of vehicle high speed rotating again, and the drag-line on the bottom offset pedal also is able to return voluntarily because of the speed-changing mechanism revolution of homonymy; Vice versa.Owing to adopt on the hind axle two unidirectional mechanisms are arranged, thereby do not influence the relatively independent operation of two groups of speed-changing mechanisms; Have again, the utility model adopts the extending type Power train of two pedal through contriver's multiple authentication on scooter, speed-changing mechanism should be set, because when not establishing speed-changing mechanism, need frequent trampling pedal, just can make scooter possess certain speed of a motor vehicle and garage's stability, this certainly will require to improve the two pedal height, but in the scooter field, the excessive height of two pedal can be more unstable, even can't use.The utility model has adopted speed-changing mechanism, and the two pedal height is descended, and highly is in 10～12 centimetres such as caning be controlled in.

As aforementioned, the utility model is provided with two groups of variable transmission mechanisms in its pedal Power train assembly, but its variable transmission mechanism can adopt multiple mode to realize, assembly pulley speed-changing mechanism and large and small line wheels speed-changing mechanism are wherein arranged.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 groups of 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).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 direct running block axle (23) with two assembly pulleys of the other end of the drag-line on the pedal 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 two assembly pulleys 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 aforementioned technical problem that solves the utility model also can adopt following another program 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 extending type 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 extending type Power train assembly (B) comprises respectively with pedal drive bonded assembly drag-line (17,18), is fixedly connected on the corresponding track adjusting wheel (19,20) on the kickstand and the speed-changing mechanism (C) of two groups of equities being in transmission connection with drag-line (17,18) again, wherein speed-changing mechanism (C) is meant the coaxial big steamboat speed-changing mechanism that is made of little line wheel (74,75), big power output wheel (46) that is connected on the kickstand, and little line wheel includes unidirectional mechanism; Described drag-line (17,18) is wrapped on the little line wheel, is connected (referring to Figure 15) by chain, belt or gearbox drive between big power output wheel (46) and the drive wheel (39).After the drag-line on the pedal spurred little line wheel and orders 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; Meanwhile, the drag-line on another pedal is because of the rotation of little line wheel return voluntarily.

What deserves to be mentioned is, all can connect a movable pulley (50) on pedal in the various schemes of the utility model scooter, 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.Certainly, the speed-changing mechanism that is provided with on pedal also can constitute the corresponding techniques scheme, constitutes speed-changing mechanism as set up movable pulley (50) on two pedal in structure shown in Figure 23; Figure 18-19 structure in like manner.

The utility model self-operated pedal cycle 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, reasonable, firm, utilize two pedal mutual drawing flowing mode, be equipped with speed-changing mechanism and unidirectional mechanism again, can finish the entire exercise of return voluntarily of speed change, break-in, transmission of power and drag-line, and reliable in action, power transmission efficiency height, scooter slide steadily and can possess fair speed.The utility model can be made 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.The present utility model is created and is also proposed application for a patent for invention on the same day.

Description of drawings:

Below in conjunction with drawings and Examples the utility model structure is described further.

Fig. 1 is the utility model 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 utility model 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, the utility model structural representation 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 the utility model surface structure scheme drawing 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:

The utility model self-operated pedal cycle (see figure 1), 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 is drag-line the end of a thread attachment point 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.

The utility model self-operated pedal cycle 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.

The utility model self-operated pedal cycle 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 utility model 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 utility model structure, 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, connect lever 60 two ends and 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 (10)

1. self-operated pedal cycle, comprise kickstand (3), front and back wheel (2,4), be arranged on the hind axle back-wheel drive assembly (A) and by coupling assembling be movably connected on the kickstand and be on one, the mutual two pedal (5 of interlock once, 6) and be arranged on extending type Power train assembly (B) between two pedal and the back-wheel drive assembly (A), it is characterized in that being provided with in the described back-wheel drive assembly (A) two groups of line wheels (10 coaxial with back wheels of vehicle, 11) and the unidirectional mechanism (12 of corresponding with it respectively line wheel bonded assembly, 13), two unidirectional mechanisms are in transmission connection with rear wheel again; Described extending type Power train assembly (B) comprises respectively with pedal drive bonded assembly drag-line (17,18), is fixedly connected on the corresponding track adjusting wheel (19,20) on the kickstand and the speed-changing mechanism (C) of two groups of equities being in transmission connection with drag-line (17,18) respectively again, two power drag-lines (30,31) of drawing from two groups of speed-changing mechanisms (C) respectively with hind axle on corresponding line wheel (10,11) be in transmission connection; A drag-line in two drag-lines (17,18) moves up with pedal and spurs the displacement of corresponding speed-changing mechanism, and another drag-line moves down with pedal and self-return.

2. according to the described self-operated pedal cycle of claim 1, it is characterized in that the two groups of speed-changing mechanisms (C) in the described Power train assembly are meant each the assembly pulley speed-changing mechanism that is made of a movable pulley (21) that is arranged on the kickstand; Be in transmission connection with the movable pulley (21) of corresponding assembly pulley respectively with pedal drive bonded assembly drag-line (17,18), two power drag-lines (30,31) on two groups of 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.

3. according to the described self-operated pedal cycle of claim 1, it is characterized in that two groups of speed-changing mechanisms (C) in the described Power train assembly be meant be arranged on the kickstand each by two to six assembly pulley speed-changing mechanisms that assembly pulley constituted; Be in transmission connection with the running block axle (23) of two assembly pulleys respectively with pedal drive 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 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.

4. according to the described self-operated pedal cycle of claim 1, it is characterized in that two groups of speed-changing mechanisms (C) in the described Power train assembly are meant the coaxial line wheels speed-changing mechanism that is made of large and small line wheel (36,37) that is connected on the kickstand; Be wrapped in respectively on the little line wheel (36) with pedal drive 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).

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

6. according to the described self-operated pedal cycle of claim 1, it is characterized in that the two groups of speed-changing mechanisms (C) in the described Power train assembly are meant each the assembly pulley speed-changing mechanism that is made of a movable pulley (50) that is connected on the two pedal; Drag-line (17,18) replaces the power drag-line on two groups of speed-changing mechanisms (C) simultaneously, one end of drag-line (17,18) is through being fixedly connected on behind this movable pulley (50) on the kickstand (3), the other end is 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 connected on the kickstand behind the track adjusting wheel of offside, movable pulley.

7. according to the described self-operated pedal cycle of claim 6, it is characterized in that described drag-line is substituted by chain, corresponding movable pulley, track adjusting wheel and line wheel adopt gear structure.

8. according to the described self-operated pedal cycle of claim 6, an end that it is characterized in that drag-line (17,18) is through being fixedly connected on behind the movable pulley (50) on the kickstand (3), the other end 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).

9. self-operated pedal cycle, comprise kickstand (3), front and back wheel (2,4), be arranged on the hind axle back-wheel drive assembly (A) and by coupling assembling be movably connected on the kickstand and be on one, once mutually the two pedal (5,6) of interlock and be arranged on two pedal and back-wheel drive assembly (A) between extending type Power train assembly (B), it is characterized in that being provided with in the described back-wheel drive assembly (A) drive wheel (39) that is in transmission connection with rear wheel; Described Power train assembly (B) comprises respectively with pedal drive bonded assembly drag-line (17,18), is fixedly connected on the corresponding track adjusting wheel (19,20) on the kickstand and the speed-changing mechanism (C) of two groups of equities being in transmission connection with drag-line (17,18) again, wherein speed-changing mechanism (C) is meant the coaxial big steamboat speed-changing mechanism that is made of little line wheel (74,75), big power output wheel (46) that is connected on the kickstand, and little line wheel includes unidirectional mechanism; Described drag-line (17,18) is wrapped on the little line wheel, is connected by chain, belt or gearbox drive between big power output wheel (46) and the drive wheel (39).

10. according to the described self-operated pedal cycle of claim 9, it is characterized in that being provided with in the described Power train assembly assembly pulley speed-changing mechanism of being made up of the movable pulley (50) that is connected on the two pedal, an end of drag-line (17,18) is through being fixedly connected on the kickstand (3) behind this movable pulley (50).

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