CN2151090Y - Two-way cycling vehicle driven by manpower or motor - Google Patents

Abstract

The utility model provides a two-purpose cycling vehicle driven by the manpower or the motor, belonging to the bicycle which is provided with a power-assisted driving device and is used for running in the form of either motive power or pedal power. The utility model adopts the centre shaft chain driving type as the driving means and solves the problem that the existing power-assisted bicycle or the two-purpose bicycle and the transmission device thereof look heavy and cumbrous and have the poor balance stability and the functions without light weight and flexible use. The utility model is provided with a speed reduction device with coaxial output and input, such as a variable speed transmission bearing which is arranged on a centre shaft and is integrated with the bicycle as integration. The utility model with favorable integrity adopts two sets of over-running clutch mechanisms which are on the centre shaft in parallel and have random convertibility; the whole bicycle is portable, stable, and applicable.

Description

Two-way cycling vehicle driven by manpower or motor

The utility model relates to a kind of autocycle, is to be used for the motor-driven foot-operated bicycle that assistant force drive device is arranged that travels of holding concurrently.

Existing powdered assisting bicycle or machine are stepped on dual-purpose bicycle and actuating device thereof, as: No. 90102216.0, Chinese patent, No. 89219687.4, Chinese patent, the U.S., Chinese patent US595.817, No. 91109707.4, more than multiple scheme is proposed, scheme one in all patent specifications, driving engine and driving device are all placed trailing wheel one side, outstanding position is too many, centre-of gravity shift, and the car load balance is poor; Scheme two, three, driving engine and driving device are attached to central frame beam position on the upper side, not only seem heavy, burdensome, and stability is also poor, and structure also becomes numerous and diverse in addition, so destroyed the light and flexible of original bicycle, more lacks the appearance and modeling globality.

The purpose of this utility model is that a kind of improved autocycle will be provided, keeping former bicycle light and flexible, under the prerequisite that the actuating device volume is little, speed ratio is big, solved complete attractive in appearance, the balance and stability of vehicle modeling, conversion waits problem at random, makes it have good manoevreability, safe reliability and practicality.

To achieve these goals, the utility model designs a kind of axis chain drive formula autocycle, and it is made up of all parts, small-sized primary mover, the driving system of former bicycle except that the axis parts.If above-mentioned small-sized primary mover put-put comprises starting mechanism, if electrical motor comprises accumulator jar, primary mover is arranged in central frame beam or vehicle frame lower portion shown in ［ Fig. 5 ］; Driving system comprises a transmission decelerating device, is arranged on the axis, comprises two covers ratchet type overrunning engaging and disengaging gear arranged side by side and also is arranged on the axis, also comprises a centrifugal friction engaging and disengaging gear, the one-level transmission is paid and is arranged in the transmission gearbox.

In this motor moped driving system, transmission decelerating device is located on the axis, place in the beam barrel, as ［ Fig. 5-(a) and (b), (c) ］, or place in the transmission drop-gear box, as Fig. 5-(d) ］, this speed reduction gearing has the characteristic of coaxial input and output, all speed reduction gearings with above-mentioned characteristic are such as retarders such as variable speed transmission bearing, osculating circle, harmonic waves, with having characteristics such as volume is little, in light weight, reduction ratio is big.And for motor moped, These characteristics is absolutely necessary, otherwise can't realize light and flexible, with the purpose that a suitable speed per hour is arranged, especially the motor moped to axis chain drive mode more looms large, because it is speedup system that former bicycle hinge wheel drives small flywheel, it is not all right not having enough big reduction ratio.Above-mentioned several speed reduction gearing, minimum with the variable speed transmission bearing manufacturing cost, so first-selected variable speed transmission bearing is the main gear down device of this motor moped, being aided with the one-level deceleration transmission again pays, forming has the two-stage reduction train, with former bicycle chainwheel speedup is to mate, and optimizes an optimum speed ratio, to guarantee this motor moped one desirable speed per hour (20～30 kilometers) is arranged.Select variable speed transmission bearing for use, its high speed input end--interior ring connector is and is connected from power wheel, fixing outer shroud, its low speed mouth--middle ring connector, the still driving link of a ratchet type overrunning engaging and disengaging gear, two one.Every speed reduction gearing with coaxial input and output, as retarders such as osculating circle, harmonic waves, the connection mode of its input/output terminal is all like this.

In this motor moped driving system, two cover ratchet type overrunning engaging and disengaging gear are located on the axis two kinds of forms of its mechanism side by side, connect in tooth is nibbled and the internal connecting type that rubs all is suitable for native system, but with select for use tooth nibble internal connecting type be good, because its manufacturing process is simple, reliable, with low cost.Two cover mechanism driving link--ratchet bearings of this form, one is fixed on the axis, transmits pedal power; Another rotates on axis, promptly is above-mentioned middle ring connector, transmits motive power.Two cover mechanisms have a driven member, are to have Second Mate's ratchet arranged side by side, outer rim (end) to be fixed with the ring set of former bicycle hinge wheel in the ring.Two driving links, pass through middleware--ratchet (spring), engagement promotes total driven member respectively.

In this motor moped driving system; one centrifugal friction engaging and disengaging gear (grinding disk) is connected as a single entity with main driving wheel; be arranged on the small-sized original machine output shaft first order, if put-put is to guarantee idling operation, if miniature electric motor guarantees have low idle all to play overload protective function.

In this motor moped driving system, the one-level transmission is paid and is located at (or in transmission drop-gear box) in the transmission gearbox, small-sized primary mover and transmission decelerating device are linked up (being fixed on the interior ring connector) from power wheel, transmission pay select synchronous pulley to pay, sprocket wheel is paid or gear pair, big steamboat constitutes the one-level reduction train.

Foot-operated and the power operated operation conversion of this motor moped, mainly be to nibble the internal connecting type overrunning clutch mechanism by two covers tooth arranged side by side to bear, when foot-operated advancing, the pedal crank drives axis, the driving link of fixing the cover of one on it mechanism promptly meshes and promotes total driven member ring set rotation by the middleware ratchet in wink; And when motor-driven advancing, power is after transmitting deceleration, and another set of mechanism driving link is by ratchet, and same engagement promotes same driven member ring set rotation.No matter foot-operated or motor-driven, the rotation of driven member ring set, the former bicycle hinge wheel of fixing on it also rotates thereupon, rotates by the small flywheel on the chain drive hind axle, and small flywheel drives wheel rolling and advances.Yet two cover teeth are nibbled the internal connecting type overrunning clutch mechanism, when foot-operated or motor-driven, and a cover acting, another set of being in surmounts state, replaces respectively, drives and conversion thereby finish two kinds randomly.

This motor moped is in order to guarantee personal safety, and small-sized primary mover is as adopting the put-put guard shield of must setting up defences, and former bicycle chain transmission is paid and must be established totally-enclosed or semiclosed chain case.

The utility model is compared with existing above-mentioned several vehicles and actuating device thereof, its advantage is: a transmission decelerating device that, adopts in driving system, as variable speed transmission bearing, osculating circle retarder or harmonic speed reducer etc., make full use of their compact conformations, big, the coaxial input and output of reduction ratio, motion steadily, the characteristics of dependable performance, its device is placed on the axis, merge one with former bicycle, thereby simplified the structure of driving system, dwindled volume, car load harmony and overall appearance have been manifested, unconsciously heavy sense and burdensome sense; Two, in driving system, adopted two covers ratchet type overrunning engaging and disengaging gear arranged side by side, realized random transition, must not control by handle; Three, small-sized primary mover is pressed holding position in central frame beam or lower portion, and center of gravity is low, amplitude is minimum, good stability; Meet rugged road or Da Po road when four, motor-driven, but assisted pedal stroke also.

Existing above-mentioned several vehicles and actuating device thereof, their weak point is: the actuating device that, is contained in rear axle, see that from the general design of car center of gravity is back partially, stability is short of, damping property is relatively poor, has both just installed rear shock absorber additional, also is helpless to the damping of actuating device; Two, scheme two, three a complete set of drivings device are attached to central frame beam as described above, volume is bigger, and center of gravity also on the upper side, stability is not good enough, light and flexible still not, and the conversion of two kinds of drivings must be moved handle, make things convenient for freely car load shortcoming globality and good surface appearance moulding inadequately.

Below in conjunction with accompanying drawing, introduce embodiment of the utility model in detail.

Description of drawings:

［ Fig. 1 ］ is the utility model embodiment driving system scheme drawing

［ Fig. 2 ］ is variable speed transmission bearing input/output connector structural representation among the utility model embodiment

［ Fig. 3 ］ is an axis and a driving link fixed sturcture scheme drawing among the utility model embodiment

［ Fig. 4 ］ is total driven member--ring set structural representation among the utility model embodiment

［ Fig. 5 ］ is the utility model drive arrangement mode scheme drawing

In the present embodiment ［ Fig. 1 ］, small-sized primary mover is selected the put-put that has starter gear for use; Transmission decelerating device is selected the one-level variable speed transmission bearing for use; Two covers ratchet type overrunning engaging and disengaging gear arranged side by side selects for use tooth to nibble the internal connecting type overrunning clutch mechanism; The one-level transmission is paid and is selected for use synchronous pulley to pay.

One, static structure is closed and is:

The right-hand member of the bent axle (11) of put-put (13) is equipped with actuating mechanism (9) and magneto generator (10), the left end of bent axle (11), be that mouth is equipped with centrifugal friction engaging and disengaging gear (14), and main synchronous pulley (15)--the steamboat that is connected as a single entity with grinding disk, synchronously band (16) will be from synchronous pulley (18)--and bull wheel, link and be the one-level reduction train, above-mentioned parts places in the transmission gearbox (17) except that put-put (13) entirely.

Be loaded on the left end of axis (2) from synchronous pulley (18), and be located on the axis (2), place variable speed transmission bearing (20) in the beam barrel (7) the high speed input end--interior ring connector (19) is connected, the axis (2) that coexists is gone up and is rotated, the outer shroud of variable speed transmission bearing (20) is fixed on the inwall of middle beam barrel (7), middle ring connector is the low speed mouth, promptly be the driving link that a tooth is nibbled the internal connecting type overrunning clutch mechanism--ratchet bearing (21), middleware is housed on it--ratchet (22), its version is seen ［ Fig. 2 ］, thereby has constituted double reduction system.Be fixed on another tooth on the axis (2) and nibble driving link--ratchet bearing (3) and middleware thereof--ratchet (4) of internal connecting type overrunning clutch mechanism, its version is seen ［ Fig. 3 ］, two driving links of above-mentioned two mechanisms also are listed in a total driven member--and Second Mate's ratchet, outer rim are fixed with in the ring set (5) of former bicycle hinge wheel (6) side by side in the ring, its version is seen ［ Fig. 4 ］, and hinge wheel (6) is by the small flywheel on the former cycle chain binding hind axle.

In axis (2) two ends former bicycle left and right sides pedal crank (1) is housed.

Safety measure: puffer (13) cylinder band is provided with protective cover (12) outward; Be provided with big chain case (8).

Two, dynamic structure closes and is:

1, foot-operated travelling

The same with ordinary bicycle, foot-operated forward left and right sides pedal crank (1), drive and its fixing axis (2), be fixed on the ratchet bearing (3) on the axis (2), by dress ratchet (4) engagement ring set (5) thereon, the hinge wheel of fixing on it (6) rotates with ring set (5), by the small flywheel on the former cycle chain drive rear wheels axle, promptly driving rear wheel small flywheel wink rolls forward, ［ at this moment, another set of tooth arranged side by side is nibbled the ratchet bearing (21) and the ratchet (22) of internal connecting type overrunning clutch mechanism, is in to surmount state ］.

2, powered travel

A, startup and idling--in static or foot-operated advancing, upwards spur the stay cord handle of put-put (13) actuating mechanism (9), be fixed on magneto generator (10) high speed revolution on put-put (13) bent axle (11), by Ignition Module, high tension cord and spark ignitor put-put (13), promptly the regulation the low speed operating mode under tickover, ［ at this moment, be contained in the centrifugal friction engaging and disengaging gear (14) on bent axle (11) mouth, still be in disengaged position ］.

B, motor-driven advancing--when strengthening the throttle adjustment device that is installed on the handlebar progressively, put-put (13) begins to enter high-speed working condition, be located at the centrifugal friction engaging and disengaging gear (14) on bent axle (11) mouth, friction is in conjunction with main synchronous pulley (15) high speed rotating that is connected as a single entity with grinding disk under the effect of high speed centrifugation power, by synchronous band (16), power is passed to from synchronous pulley (18), after finishing the one-level deceleration, power is by importing with the interior ring connector (19) of the variable speed transmission bearing (20) that links to each other from synchronous pulley (18), interior ring high speed rotating, double reduction through large speed ratio, therefrom ring connector low speed output of power, middle ring connector promptly is ratchet bearing (21), go up rotation at axis (2), dress ratchet (22) thereon, promptly mesh in wink and promote ring set (5), ring set (5) rotates with hinge wheel (6), hinge wheel (6) is by the small flywheel on the former cycle chain driving back wheels of vehicle axle, small flywheel drives wheel rolling forward, ［ at this moment, be fixed on ratchet bearing (3) on the axis (2) and ratchet (4) are in surmount state ］.

C, flame-out with brake--on handlebar, flame-out button is housed as light motorcycle is the same, when one pressing magneto generator ground connection gently, flame-out immediately, put-put (13) quits work, with above-mentioned different be by in parallel two of dress, one is contained near the grip random misfire; Another is contained in the brake handle root, when brake puts in place, also presses flame-out button simultaneously, and flame-out back stops operating, only the inertia of surplus wheel immediately owing to the damping of driving system moment generation.Very favourable drag.

If maximum speed design at 25 kilometers/hour, positive and negatively is no more than 10%, the maximum speed above bicycle designs is not arranged, still adopt rise behind the former bicycle lock or mountain bike damper brake, our experiments show that, can reach the stopping distance of regulation fully.

Claims (4)

1, a kind of autocycle, system is used for the motor-driven foot-operated bicycle that assistant force drive device is arranged that travels of holding concurrently, this motor moped by former bicycle except that the axis parts other all parts, be arranged in central frame beam or vehicle frame below, the small-sized primary mover at position, be located at place in the beam barrel on the axis and transmission gearbox or transmission drop-gear box in driving system form, feature of the present utility model is the transmission decelerating device that above-mentioned axis is provided with a kind of coaxial input and output, also is provided with overrunning clutch mechanism on the axis.

2, a kind of autocycle as claimed in claim 1, the transmission decelerating device that it is characterized in that above-mentioned a kind of coaxial input and output is a variable speed transmission bearing, or the osculating circle retarder, or harmonic speed reducer.

3, as claim 1,2 described a kind of autocycles, it is characterized in that above-mentioned transmission decelerating device, its high speed input/output terminal is connected from power wheel with one, and the low speed mouth is connected with the driving link of an overrunning clutch mechanism.

4, a kind of autocycle as claimed in claim 1, it is characterized in that above-mentioned overrunning clutch mechanism is the ratchet type overrunning engaging and disengaging gear--tooth is nibbled internal connecting type or friction internal connecting type, and be that two covers are arranged side by side, two driving links of two cover mechanisms, one is fixed on the axis, and another rotates on axis, and is connected with the low speed mouth of transmission decelerating device, two cover mechanisms shared driven members promptly are that an outer rim is fixed with the ring set that hinge wheel, endoporus have driven member.

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