CN2366353Y

CN2366353Y - Lever and power driven bicycle

Info

Publication number: CN2366353Y
Application number: CN99233022U
Authority: CN
Inventors: 周长久
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-03-24
Filing date: 1999-03-24
Publication date: 2000-03-01
Anticipated expiration: 2009-03-24

Abstract

The utility model relates to a lever and power driven bicycle which is provided with a four-wheel structure. The shape of the utility model is slim, and the utility model can be sit at the front side and the back side in the way of riding and leaning. The utility model is characterized in that a bicycle frame is formed by that reel pipes are bent; a front neutral frame is fixed at the middle part of the bicycle frame via special steel tubes; a foot pedal mechanism is installed at the middle front section of the bicycle frame; an electric motor is integrally fixed with the bicycle frame; a chain wheel of a lever and chain traction mechanism and a bearing seat are fixed on a plane of the front neutral frame; the foot pedal and an electric mechanisms are pivoted with the chain wheel which is positioned at the lower end of the lever and chain traction mechanism by the chain wheel and a chain; a special transmission which is provided with multi-stage gear shafts is installed at the middle back part of the bicycle frame. The utility model which simplifies miniature cars in the prior art has the advantages of novel design, reasonable and compact structure, easy and convenient operation, economical and practical use, reliable service performance, energy saving, no pollution, and easy popularization.

Description

Lever and power driven bicycle

The utility model relates to a kind of riding instead of walk and uses the vehicle, refers in particular to usefulness lever force and the motor car as power.

Present bicycle and man and following shortcoming is arranged with the various cars that fuel is used as power:

1, effort, speed are slow, the rainy day difficulty of travelling.

2, dangerous, take uncomfortable.

3, aerial contamination is arranged, noise pollution is arranged.

4, system complex, the cost height costs an arm and a leg.

The purpose of this utility model is, overcomes the shortcoming of above bicycle and fuels and energy car, provides a kind of with lever and motor new car---the Lever and power driven bicycle as power.

The purpose of this utility model is to realize like this, the four-wheel structure, long and narrow profile, front and back are taken and are ridden by formula, vehicle frame bends shaping by pipe crimping, stand in before the vehicle frame middle part is fixed with steel tubes, footstep mechanism is installed in leading portion in the vehicle frame, electrical motor and vehicle frame are fixed as one, the sprocket wheel of lever chain traction mechanism and bearing seat are fixed on the plane of preceding middle stand, foot-operated, motor drive mechanism passes through sprocket wheel, chain articulates lever chain traction mechanism lower end sprocket wheel, in the postmedian position of vehicle frame the special-purpose change-speed box with multi-stage gear axle is installed, and the fulcrum of a pair of lever is on the front end both sides of change-speed box, one termination change-speed box power input shaft of leverage component, the other end is fixed on the chain of lever trailer coupling, and steering hardware articulates direction lever by steering handle, articulates the power transmission arm by direction lever again, direction pull bar and swivel arm.

The utility model has the advantages that:

1, owing to be the four-wheel structure, thin-and-long, mode is taken for riding by formula in front and back, and directional control is a portable, and the road occupying road surface is amassed little, and the Selfstabilizing sense is good, and sense of orientation is intuitively strong, is easy to adapt to different kinds of roads.

2, adopt manpower and electronic complementary prime power, its power is reliable, is convenient to energy savings.

3, because simple and convenient, as long as understand general traffic regulation, the abled person more than 13 years old just can be easy to popularize the driving of getting on the bus, and the effect of body-building is arranged.

4, noise-less pollution, no aerial contamination.

5, owing to there is the electric energy drawing-in system to be the basis, in order to developing to high, up-to-date technology direction, production development has very promising prospects.

6, the moving speed-changing mechanism of the lever force in the utility model is to have in unit time, the instantaneous a kind of economical working machine of output at a high speed that promptly obtains with the low speed input.

The specific embodiment of the present utility model is provided by the following drawings.

Accompanying drawing 1 is the main assembly drowing of looking

Accompanying drawing 2 is Figure 1A-A echelon sectional views

Accompanying drawing 3 is Figure 1B-B cutaway views

Accompanying drawing 4 is transmission schematic front view

Accompanying drawing 5 is Fig. 4 A-A expansion drawings

Accompanying drawing 6 is that Fig. 4 C is to view

Accompanying drawing 7 is that Fig. 4 D is to view

Accompanying drawing 8 is that Fig. 4 E is to view

Describe details and the principle of work of the utility model embodiment below with reference to the accompanying drawings in detail:

1, the interconnected relationship between the complete machine parts.

Fig. 1, vehicle frame shown in Figure 2 (52) are bent to be shaped and to add shaped steel by the nonstandard processing pipe crimping of quality steel plate and do to strengthen being welded.Weld with preceding middle stand (12) back lower place mutually with steel tubes at vehicle frame (52) middle part, and steel tubes is welded into a whole with the rack section that change-speed box (1) is installed after partly protruding vehicle frame (52) Yanzhong, plane axle alignment.The forward and backward saddle horse (3) that the useful shaped steel in the top of change-speed box (1) and forward and backward position is made, the saddle horse support of (31) all weld with vehicle frame (52) disjunctor.

The installation of manpower footstep mechanism (23) is that the steel tubes that protrudes with leading portion in the fixed type quill drive bearing of each and the vehicle frame (52) is to passing and being welded into a whole.

Stand (12) is made parent on the plane that the steel plate welding is arranged to the face upper and lower end to the operator with steel pipe in preceding, is that the bearing seat of assembling and fixing (from Fig. 1, Fig. 4) the upper and lower minor sprocket of lever chain traction mechanism (11), (69), (73), (74) is used.

The channel-section steel symmetric arrangement of the useful nonstandard processing punching press in branch both sides, postmedian position of (from Fig. 1, Fig. 2) vehicle frame (52) is welded on the vehicle frame (52), and this position is the fixed position that change-speed box (1) is installed.The installation of change-speed box (1) is lined with hardwood side for reducing mechanical vibration symmetry under its base, and is fixing in aggregates by bolt of rear end plate and change-speed box (1).

Stand (12) front lower place in before micro-motor (15) is fixed on, it supports micro-motor (15) is the frame made with shaped steel and is welded into a whole with vehicle frame (52).

From Fig. 1, storage battery (16) is mounted in the front of micro-motor (15), is the framework institute support fixation that the framework made by shaped steel and vehicle frame (52) are welded as a whole.

The top, rear portion of (Fig. 1, Fig. 2) vehicle frame (52) makes bracing frame with shaped steel and the welding of vehicle frame (52) disjunctor supplies to install and fix magneto generator (29) and storage battery (32).

Direction lever support tube (10) is pressed the upper end disjunctor welding of design angle and preceding middle stand (12).Direction support tube (10) mouth of pipe two ends all are equipped with thrust baring and are supported direction lever (14) and support (Fig. 3) instrument switch board (60) and bracing frame.

Stand (12) is gone up as the reinforcement of direction lever (14) and is supported in before (Fig. 1) end that reaches of direction lever (14) has direction lever base (21) to be fixed on.Direction lever power transmission arm (36) is equipped with in the direction lever lower end of the top of direction lever base (21).See Fig. 2, the epimere of direction lever (14) combines fixing through the thrust baring stretched head with (Fig. 3) steering handle (57) in direction lever support tube (10).

It is fixing that the lower left riveted and fixed of steering handle (57) has clutch brake (58) wire rope casing (8) steel wire tow line (51) to pass therethrough with clutch brake (58), sees Fig. 2, Fig. 3.

It is fixing (7) that the lower right riveted joint of steering handle (57) has normal damper brake that the interlock rope of (7), wire rope casing (9), steel wire tow line (50), (54) is passed from wire rope casing (9) with normal damper brake, sees Fig. 1.

Top, vehicle frame (52) middle part has emergency brake parts (22) and the unidirectional sector of emergency brake (24) to be installed in the right at this position, sees Fig. 1.

Be symmetrically welded with the bearing seat of fixing braking steel wire tow line power transmission arm (37), (38) in forward and backward half section below of vehicle frame (52) respectively, think that the preceding braking of installation power transmission arm (37), back braking power transmission arm (38) two assemblies provide safeguard.The fag end of forward and backward braking steel wire tow line (50), (54) is separately fixed on forward and backward braking power transmission arm (37), (38), sees Fig. 2.

The centre of back damping spring steel plate component (28) and rear spring steel plate seat (42) are fixing, and the bent hole at two is fixed with wearing pin, and what pin was worn in supporting is the hangers that is symmetrically welded with vehicle frame (52) disjunctor.Back damping spring steel plate seat (42) is fixing with rear-axle casing (43), sees Fig. 1, Fig. 2.

Also one be fixed on above the front-wheel bridge with front spring steel plate seat (55) is fixing in the middle of the preceding damping spring steel plate component (18), bent hole place in two is fixed with wearing pin, and wearing pin is to be supported by the hangers with vehicle frame (52) disjunctor balanced welding.Front vehicle wheel (17) is sleeved on the front wheel hub assembly (34), and directly front-wheel dihedral axle (121) and front vehicle wheel (17) is combined; The vertical end of front vehicle wheel dihedral axle (121) is upward through the thrust baring of front-wheel bridge (56) and stretched head and direction with the design inclination angle of front-wheel bridge (56) and carries out swivel arm (35) and combine and fix.See Fig. 1, Fig. 2, Fig. 8.

Two of direction pull bar (33) has live pin and direction to carry out swivel arm (35) riveted joint of living, and interlude has joint and by the interlock mutually and drawing of being riveted together of living of live pin and direction lever power transmission arm (36), sees Fig. 2.

Rear wheel (25) docks fixing with rear-axle casing joint (44), diff combination (40) is fixed in the rear-axle casing (43), sees Fig. 1, Fig. 2.

The drive center of sprocket wheel (46) is enclosed within left half axle (115) by the thrust baring sky and goes up with rear-axle casing protrusion position and be the state that often exposes.Big belt pulley (45) is fixed on the left half axle (115) and rear-axle casing protrusion position is the state that often exposes.Belt (113) is walked around big belt pulley and is inserted on the small belt pulley (114).Chain (47) is walked around the sprocket wheel of driving (46) and is connected with turriform sprocket wheel (49).Turriform sprocket wheel (49) is fixed on the sprocket shaft (111), sprocket shaft (111) be by with the support of vehicle frame (52) below disjunctor welding, in have thrust baring to fix.Small belt pulley (114) is fixed on the spindle nose that magneto generator (29) stretches out, and magneto generator (29) is fixed on vehicle frame afterbody installation position, sees Fig. 7.

Streamline contour car shell (61) is installed in on some strut bars of high-strength light section bar (not drawing in detail among the figure), and these strut bars are that firm riveted and fixed is on vehicle frame (52).Solar heat-collection plate (5) is installed on the roof and (does not draw in detail), and glass (30) is all answered its periphery plastic seal of position with what the plastic rubber product rivet clasp strengthened being installed in streamline contour car shell (61) behind (Fig. 1, Fig. 3) front windshield (6) and the car.Wiper assembly (63) is installed in the middle of Windshield (6) lower edge.Back mirror (59) is installed in the car door upper limb strand company position, front that operator's hand is pulled easily.See Fig. 1, Fig. 3.

1.1 the structural relation of the moving speed-changing mechanism of lever force

(Fig. 1, Fig. 2) change-speed box (1) is special and lever (4) matching running.Change-speed box (1) is installed on the postmedian frame that is welded as a whole with vehicle frame (52).Gear-change hand lever (2) extends is convenient to the position that operator's right hand is well operated smoothly.The fulcrum of a pair of lever (4) is at the front end of change-speed box (1); Its fulcrum coaxial line symmetry branch both sides are fixed with special spiral shell Shaft assembly; A pair of lever (4) is the first from left right side and encloses the axle center rotation of oneself one on the other; The end (Fig. 4) of the power arm of lever (4) (promptly long end) and connecting rod (67), the overlapping riveted joint of living of rocking bar (68).

Rocking bar (68), chain (13) are riveted the two overlapping living by the pin (70) of living; Both sides structure equidirectional is opposite; Middle minor sprocket (72) interlock sprocket shaft (71) and following minor sprocket (73), (74) drive top minor sprocket (11), the touring motion of (69) do respectively by chain (13).See that Fig. 4 B is to view.

In before cochain wheel shaft (119) and lower sprocket axle (71) are supported and fixed on by thrust baring on the mounting plane of stand (12), the both sides of upper and lower sprocket shaft (119) and (71) are fixed with upper and lower minor sprocket (69), (11), (73), (74) respectively and are connected symmetrical two chains (13).Lower sprocket axle (71) is that its power of imput shaft is transmitted by the middle minor sprocket (72) or the unidirectional hinge wheel (75) that are fixed on the axle.

From Fig. 5, Fig. 1 as can be known, (being an end of galianconism) end of lever (4) resistance arm have flute profile with connecting rod (77) with the pin riveting of living in wherein, the big end of crank (76) is fixed on the AVI axle, small end is then overlapping with the pin riveted joint of living with the other end of connecting rod (77); Wherein: in the hole of lever (4) resistance arm, in the hole at connecting rod (77) two, in the microcephaly hole of crank (76) thrust baring is housed all.

From Fig. 1, Fig. 6 as can be known, micro-motor (15) is fixed on the frame with vehicle frame (52) disjunctor welding, and motor minor sprocket (101) is fixed on the spindle nose that micro-motor (15) stretches out, and chain (100) is connected with unidirectional hinge wheel (75).Steel roller (98) is equipped with in the centre of unidirectional hinge wheel (75), and interior cover ratchet wheel (99) is also fixing by interior cover ratchet wheel (99) and sprocket shaft (71).

Change-speed box (1) is that the reciprocating drive torque of lever (4) is reached the working machine that improves or reduce the rotating speed of driving by low-speed motion through multistage axle speed change.Its structure is made up of the corresponding gear that the multi-stage gear axle is housed and is fixed on each in loam cake and the lower box two big parents: change-speed box (1) at least.Wherein: gear wheel shafts at different levels by the supporting of thrust baring and bearing seat symmetry and be fixed on the loam cake of change-speed box (1) or the parent of lower box on.

1.2 each shaft gear engagement of change-speed box (1)

By Fig. 4, Fig. 5 provides: lever (4), connecting rod (77), crank (76) symmetry respectively is fixed on change-speed box (a 1) casing front end left side, right both sides, flywheel (97), crank (76) and power input big gear wheel (96) are with being fixed on (AVI) axle, driven pinion (78), speedup level big gear wheel (95) is with being fixed on the AV axle, driven pinion (78) and power input big gear wheel (96) engagement, speedup level big gear wheel (95), (94) with meshing, in two speedup level big gear wheels (94) with duplex miniature gears (92), (95) middle part axle is provided with the ratchet mechanism of a pair of constant-mesh; They are formed by overlapping ratchet wheel (81), steel roller (80), gear jacket (79) in the gear.Wherein: cover ratchet wheel (81) firmly fixes on (AVI) axle and (AV) on the axle in the gear; The variation that steel roller (80) can turn to the gear jacket (79) of a pair of constant-mesh takes place; Or overlapped ratchet wheel (81) in the gear and arrest and make that cover ratchet wheel (81) rotates together in gear jacket (79) and the gear after the engaging, or be separated from overlap in the gear ratchet wheel (81) make inside and outside the two be in relative idling conditions.

Clutch pack component (122) is engaged on (AIII) axle and can moves axially branch, closes.High speed gear big gear wheel (93), mid ranger big gear wheel (82), low gear driving gear (83), reverse gearwheel (84) all are fixed on (AIII) axle and are on the axis together with clutch pack component (122).

Normal meshing self independent stationary of reverse gearwheel (85) and reverse gearwheel (84) is on (AIII) axle.

Walking gear falls (89) in (86), walking gear low (88), the walking gear, walking gear height (90) and is the coexist driving that is subjected to shift fork (87) on (AI) axis of conjoined structure and can goes up at castellated shaft (91) down and move axially, thereby can realize respectively and class gear mesh accordingly separately.Moving output minor sprocket (48) is fixed on the spindle nose that (AI) shaft extension goes out.

2, the transmission principle of Lever and power driven bicycle

2.1 prime power is by the moving input process of manpower.Provide by Fig. 4, Fig. 6: give manpower footstep mechanism (23) when the manpower both feet suitably apply application force; Simultaneously impose under the effect of tread plate (106) both for directive effect power having; Initiatively hinge wheel (105) beginning is rotated to set hand of rotation; Drive chain (104) simultaneously and make gyroscopic movement; Cover ratchet wheel (109) is done the speedup rotation in interlock sprocket wheel overcoat (107), steel roller (108) engaging simultaneously; Sprocket shaft (110), the rotation of hinge wheel (103) speedup simultaneously link; Drive chain (102) simultaneously and drive middle minor sprocket (72) speedup rotation once more; Sprocket shaft (71), left and right minor sprocket (74), (73) rotation simultaneously link; The left and right chain (13) that links is simultaneously done touring motion; Drive to go up simultaneously, left and right minor sprocket (11), (69), cochain wheel shaft (119) is rotation synchronously, this moment, manpower power input process came to an end.

2.2 prime power is by the process of micro-motor input.When the startup of micro-motor (15) energized, motor minor sprocket (101) promptly rotates with micro-motor (15); Drive chain (100) simultaneously and do touring motion; Drive hinge wheel overcoat (75) simultaneously and do the rotation of slowing down; Cover ratchet wheel (99) rotates in the steel roller (98) that links the simultaneously engaging; Sprocket shaft (71), middle minor sprocket (72), left and right sides minor sprocket (74), (73) rotation simultaneously link; The left and right chain (13) that links is simultaneously done touring motion; Drive simultaneously and go up the rotation synchronously of left and right minor sprocket (11), (69), cochain wheel shaft (119), this moment, the Electronmotive Force input process came to an end.

2.3 prime power by the branch of manpower power and Electronmotive Force input, close process

The ingenious design of the utility model makes motor and manpower all can freely participate in the input prime power; The two can the in running order or rest quiescence of any one party.Embodiment is provided by Fig. 6: when micro-motor (15) is in running order, chain (100) is followed motor minor sprocket (101) and is moved clockwise, and drives in the engaging of hinge wheel overcoat (75), steel roller (98) cover ratchet wheel (99) simultaneously and does the rotation of slowing down with sprocket shaft (71), left and right minor sprocket (74), (73), middle minor sprocket (72); Drive chain (102), speedup level hinge wheel (103), sprocket shaft (110), the equidirectional rotation of interior cover ratchet wheel (109) by middle minor sprocket (72) simultaneously; This moment is when being subjected to the manually driven application force as if stretcher (106); Be that linkage initiatively make a concerted effort together to rotate by hinge wheel (105), chain (104), sprocket wheel overcoat (107), steel roller (108) engaging interior cover ratchet wheel (109); Stretcher (106), active hinge wheel (105), chain (104), sprocket wheel overcoat (107) will remain static when not being subjected to the manpower activation force as if stretcher (106) this moment; Cover ratchet wheel (109) was done complicated motion in steel roller this moment (108) was in and breaks away from; Cover ratchet wheel (109) is in idling conditions with sprocket shaft (110), chain (104), speedup level hinge wheel (103), middle minor sprocket simultaneously; If this moment is the power supply of closing micro-motor (15) by the manpower driving, minor sprocket (72) links sprocket shaft (71), left and right minor sprocket (74), (73), interior cover ratchet wheel (99) when rotating together in the middle of above-mentioned moving reaching so, because miniature motivation (15) remains static, therefore motor minor sprocket (101), chain (100), sprocket wheel overcoat (75) are in static simultaneously, this while steel roller (98) is made cover ratchet wheel (99) in the complexity motion disengaging under the driving of antagonistic force, interior cover ratchet wheel (99) is in idling conditions on sprocket shaft (71) at this moment.No matter manpower props up above procedure declaration, or electronic, or the two is moving with joint efforts, all can be in running state or non-state of kinematic motion arbitrarily, thereby realizes deciliter process of prime power by manpower power and Electronmotive Force input.

3, lever force actuation mechanism transmission principle

(Fig. 4) lever (4), connecting rod (67), rocking bar (68) are with on pin (70) the riveting chain alive (13) of living; When sprocket shaft (71) is activated power interlock lower-left minor sprocket (74), bottom right minor sprocket (73) rotates; Chain (13), upper left minor sprocket (11), upper right minor sprocket (69) motion simultaneously; Lever (4), connecting rod (67), rocking bar (68) fabricate block that is riveted on the chain (13) of living simultaneously is subjected to the touring motion of chain (13), and the pulling of propulsive effort promptly swings up and down simultaneously motion thereupon; In this course, when lever (4) was in top dead point or bottom dead point, will continue motion again was to do complicated motion by connecting rod (67); Turn round synchronously respectively with traction lever chain (13) and by live pin (70) and chain (13) by the rocking bar (68) and the pin (70) of living and to be connected upper left minor sprocket (11), lower-left minor sprocket (74), bottom right minor sprocket (73), upper right minor sprocket (69) and to finish traction lever (4) through gyroscopic movement and make reciprocally swinging.Wherein, when moving from top dead point toward bottom dead point, lever (4) makes even speed change decelerated movement; When moving from bottom dead point toward top dead point, lever (4) makes the anxious even speed change accelerated movement of returning.The utility model utilizes above-mentioned principle and sets suitable lever mouth and do the kinetic energy conversion.

3.1 lever force is moved change-speed box.The utility model has designed the special change-speed box output services machine that is used as power.(Fig. 5) constitute the lever crank and connecting rod movement by lever (4) imput power drive link (77), interlock crank (76), power is inputed to big gear wheel (96), flywheel (97), under the traction of flywheel (97) coherence moment, make the lever piston crank mechanism make even speed change continuous movement; Crank (76) can be made even speed change smoothly and rotatablely move continuously; Owing to there is above-mentioned moving condition to offer power input big gear wheel (96); The power of its rotation is driven passive little tooth axle (78); The speedup that links simultaneously level big gear wheel (95) or speedup level big gear wheel (94); The middle part of the axle of these while two hinge wheels of speedup (95), (94) is because of meshing a pair of gear that possesses unidirectional delivery power of identical size, the number of teeth; They constitute ratchet mechanism by gear jacket (79), steel roller (80), interior cover ratchet wheel (81); Its function is to guarantee to cooperate two speedup level big gear wheels (95), (94) under the situation of normal meshing duplex miniature gears (92), can guarantee that the duplex miniature gears rotates by set constant hand of rotation; The setting of ratchet mechanism is used for can the uncertain phenomenon of hand of rotation at any position transient starting at overcoming the lever piston crank mechanism.Ratchet mechanism transmittance process is achieved in that (Fig. 4, Fig. 5) two speedup level big gear wheels (95), (94) are engaged on respectively on the duplex miniature gears; And power input big gear wheel (96) only is shaped on an engagement of passive little tooth axle (78) with speedup level big gear wheel (95); A pair of wheel overcoat (79), steel roller (80), the interior cover ratchet wheel (81) that is shaped on a tool unidirectional delivery kinetic energy because the centre of two speedup level big gear wheels (95), (94) is being meshing with each other; Like this, no matter power from reversing sense or pros always, two speedup level big gear wheels (95), (94) always in have one to be in idle running, and have one in transferring power, so just assurance duplex miniature gears (92) has rotated by setting side smoothly; The rotation of duplex miniature gears realize be under through the situation of secondary speedup promptly: import big gear wheel (96) when lower speed from power and carry out first order speedup to passive little tooth axle (78); Carry out second stage speedup to duplex miniature gears (92) again by one of them of two speedup level big gear wheels again; The moving speed change of lever force this moment realizes.Just in the transient motion of relative time, converted the low-tach propulsive effort of lever to high speed revolution with certain torque by above-mentioned a series of processes.

3.2 the output of change-speed box.(Fig. 5) duplex miniature gears (92) is subjected to the moving a series of works of lever force as high speed revolution; By power-transfer clutch (122) this rotary power is controlled simultaneously and stirred by shift fork (87) and transmitted walking gear (86), (88), (89), (90), (46) because the sprocket wheel of driving is that sky is enclosed within on the right axle shaft (115) according to the needs of output torque, when chain drive-belt (47) transmits power driven sprockets (46), the relative free-runing operation of doing of sprocket wheel (46) of driving this moment with right axle shaft; Simultaneously with self disjunctor projection revolution synchronously; Drive differential spider pinion shaft (117) revolution; Drive 2 planetary wheels (118) rotation simultaneously; 2 differential gears of transmission (116) rotation simultaneously, thus transmission left half axle (120), right axle shaft (115) and 2 trailing wheels rotate; Simultaneously (from Fig. 2, Fig. 4) because the effect of vehicle frame (52) connected rear axle shell (43), front-wheel bridge (56) is arranged, the rear wheel after being driven (25) just can promote front vehicle wheel (17) and turn round.

In above process, as long as rear wheel (25) is rotating, be fixed on big belt pulley (45) on the right axle shaft (115) with regard to drive belt (113), small belt pulley (114) thus running is carried out additional charge to magneto generator (29).

4, simple and easy steering hardware operation logic.The utility model designs a kind of small-sized 4 and takes turns the simple and easy steering hardware of car front-wheel, and its advantage is the cost that reduces greatly because of the manufacturing direction machine, makes economy, and is simple in structure, simple operation, and operator self sensation is coordinated well with feel is directly perceived.The realization of this mechanism is finished like this:

See as can be known that from Fig. 1 direction lever (14) has direction lever support tube (10), direction lever base (21), firm support; The angle of direction lever (14) is echoed mutually with the front rake of (Fig. 2) front-wheel bridge (56); The impact that direction lever power transmission arm (36) can be subjected to front vehicle wheel (17) produces beats and the free up-and-down movement with the elastic force distortion of preceding damping spring steel plate (18) synchronously, (from Fig. 1) thus reduced to greatest extent direction lever (14), preceding the impact of stand (12), (Fig. 3) steering handle (57); At direction lever power transmission arm (36) when making kicking motion; When the needs rotation direction, this motion can just overcome the impact that is subjected to Uneven road of front vehicle wheel and beat, thereby by (Fig. 8, Fig. 2, Fig. 3) steering handle (57) transmission direction bar (14), direction power transmission arm this moment (36) promptly rotates respective angles thereupon, orders about direction through direction pull bar (33) simultaneously and carries out swivel arm (35) the corresponding angle of rotation and reach the purpose of finishing the direction rotation.

Claims

1, a kind of Lever and power driven bicycle, the four-wheel structure, long and narrow profile, front and back are taken and are ridden by formula, it is characterized in that vehicle frame (52) bends shaping by pipe crimping, stand (12) in before vehicle frame (52) middle part is fixed with steel tubes, footstep mechanism (23) is installed in leading portion in the vehicle frame (52), electrical motor (15) is fixed as one with vehicle frame (52), the sprocket wheel (11) of lever chain traction mechanism, (69), (73), (74) and bearing seat be fixed on before on the plane of stand (12), foot-operated, motor drive mechanism passes through sprocket wheel, chain articulates lever chain traction mechanism's lower end sprocket wheel (72), (75), the special-purpose change-speed box (1) with multi-stage gear axle is installed in postmedian position at vehicle frame (52), the fulcrum of a pair of lever (4) is on the front end both sides of change-speed box (1), one termination change-speed box (1) power input shaft (AVI) of leverage component, the other end is fixed on the chain (13) of lever trailer coupling, steering hardware articulates direction lever (14) by steering handle (57), articulates power transmission arm (36) by direction lever again, direction pull bar (33) and swivel arm (35).

2, Lever and power driven bicycle according to claim 1, it is characterized in that lever chain traction mechanism has cochain wheel shaft (119) and lower sprocket axle (71) to be supported and fixed on the mounting plane of preceding middle stand (12) by thrust baring, the both sides of upper and lower sprocket shaft are fixed with upper and lower minor sprocket (69), (11), (73), (74) respectively by the connection of two chains (13) symmetry, also are fixed with minor sprocket (72) and unidirectional hinge wheel (75) on the lower sprocket axle (71).

3, Lever and power driven bicycle according to claim 1, it is characterized in that the end of power arm of lever (4) and connecting rod (67), the overlapping riveted joint of rocking bar (68), rocking bar (68), chain (13) are by pin (70) the overlapping riveted joint of living, the both sides structure is identical, direction is opposite, the end of lever (4) resistance arm riveted joint connecting rod (77), the big end of crank (76) is fixed on the axle (AVI), small end then with the overlapping riveted joint in other end of connecting rod (77).

4, Lever and power driven bicycle according to claim 1, it is characterized in that stretcher (106) articulates hinge wheel (105), and through chain (104) pivot joint One-way chain wheel (107), take turns (103) are connected to lever chain traction mechanism again through chain (102) minor sprocket (72) through axle (110) chain link, the output chain gear (101) of electrical motor (15) articulates the One-way chain wheel (75) of lever chain traction mechanism through chain (100).

5, Lever and power driven bicycle according to claim 1 is characterized in that change-speed box (1) is made up of loam cake and lower box and multi-stage gear axle and gear, and gear wheel shafts at different levels are installed on loam cake and the lower box by thrust baring and bearing seat symmetry.

6, Lever and power driven bicycle according to claim 1, it is characterized in that direction lever (14) and the end (21) are fixed in the preceding middle stand (12), direction lever power transmission arm (36) is equipped with in the top of direction lever base (21), and the epimere of direction lever (14) is fixed through thrust baring and steering handle (57) in direction lever support tube (10).