CN202593777U

CN202593777U - Hand and foot dual-drive chainless bicycle

Info

Publication number: CN202593777U
Application number: CN 201220229901
Authority: CN
Inventors: 刘新广
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-22
Filing date: 2012-05-22
Publication date: 2012-12-12
Anticipated expiration: 2022-05-22

Abstract

The utility model discloses a hand and foot dual-drive chainless bicycle. An oblique beam, an oblique rear fork and a horizontal rear fork are connected to form a triangular bicycle frame; the front end of the bicycle frame is fixed with a round pipe housing; the upper part of a front bicycle fork, a pedal frame and the lower part of a connecting round rod are connected in the round pipe housing by a hinged shaft and a round ball; the upper part of the connecting round rod is hinged with the lower part of a push-pull pipe with bicycle handlebars at the upper part; the push-pull pipe and the connecting round rod can be connected into a rigid push-pull rod and can relatively swing back and forth; the front bicycle fork is twisted by the push-pull rod so as to make a turn; the pedal frame and the push-pull rod form a push-pull lever; a front bicycle wheel is mounted in the front bicycle fork; a rear bicycle wheel and a ratchet wheel are coaxially mounted in the horizontal rear fork; a sliding block is arranged on a sliding rod at the front part of the horizontal rear fork; the front end and the rear end of a connecting rod are hinged with the lower part of the push-pull lever and the sliding block respectively; the front ends of an upper tooth plate and a lower tooth plate are hinged with the sliding block; the ratchet wheel is clamped by the rear toothed parts of the upper tooth plate and the lower tooth plate in an up-down manner; magnets are arranged behind the upper tooth plate and the lower tooth plate at intervals for spaced attraction; a bicycle seat with a backrest is mounted at the top end of the triangular bicycle frame; and the ratchet wheel is driven to rotate by pedaling and pushing and pulling the lever by hands through the connecting rod, the sliding block and the tooth plates so as to move the bicycle forwards.

Description

The two chain-less bicycles that drive of trick

Technical field

The utility model relates to bike tech, the two chain-less bicycles that drive of particularly a kind of trick.

Background technology

Existing big and small bicycle of all kinds mostly is the pedal chain wheel drive, and pedal one circle has only the half-turn acting, so driving force is little, runs into the ramp, and the people exerts oneself limited, and the speed of a motor vehicle is very slow.Existing bicycle usually takes off chain and chain jamming fault.Existing back-wheel drive bicycle, when the people rode, upper body must lean forward or straight elevator, uncomfortable like this fatiguability.

Summary of the invention

The utility model is in order to overcome the above-mentioned defective of existing bicycle, designs that a kind of trick is two drives chain-less bicycle, the comfortable indefatigability of riding, quicken fast, speed is fast, the ramp is exercised to power big, the two moving more body-building of trick.

The utility model is realized by following technical scheme.

Show like Fig. 1 to Fig. 8.

Show like Fig. 3, pipe shell 3 by cylindrical tube and loam cake, go to the bottom to connect and form, be stamped a strip shape hole 3-1 on said, the length direction of strip shape hole 3-1 both with radially the overlapping of loam cake, consistent with vehicle commander's direction again; Show that like Fig. 2 pipe shell 3 has a pair of symmetrical radial indentation 3-2; Ball 43 places in the pipe shell 3, and all is made into normal-running fit with the lower plane of the loam cake of the interior circle of pipe shell 3, pipe shell 3, the last plane of going to the bottom of pipe shell 3.

Show that like Fig. 1 front vehicle wheel 1 is the standard bicycle wheel or is the motor-type wheel that front vehicle wheel 1 is installed in the preceding wooden fork 2; Show that like Fig. 3 the upper end of preceding wooden fork 2 is inserted in the pipe shell 3 by going to the bottom of pipe shell 3, cylindrical and going to the bottom of pipe shell 3 that preceding wooden fork 2 is among the going to the bottom of pipe shell 3 are made into normal-running fit, and the bottom of the upper end of preceding wooden fork 2 and ball 43 is fixed.

Show that like Fig. 2 axle 42 radially passes the radial indentation 3-2 and the ball 43 of pipe shell 3, axle 42 is fixing with ball 43, and axle 42 is positioned over radial indentation 3-2; Connect a left side (line direction definition before pressing car) circular arc slide plate 42-1, right circular arc slide plate 42-2 respectively at the two ends of axle 42; The chute and the left circular arc slide plate 42-1 of the front end of the left side branch 4-1 of stretcher cleat 4 are made into normal-running fit, and the chute and the right circular arc slide plate 42-2 of the front end of the right branch 4-2 of stretcher cleat 4 are made into normal-running fit; The cingulum that left side, right side that left foot pedals 40, right pedal 41 is installed in stretcher cleat 4 rear portions respectively, left foot pedal 40, right pedal 41 all has the scalable degree of tightness.

Show that like Fig. 3 the lower end that connects round bar 5 is fixing with ball 43 through the strip shape hole 3-1 of the loam cake of pipe shell 3, connect round bar 5 can be in the 3-1 of strip shape hole before and after activity, can rotate again; Show that like Fig. 1 nut 7 of pivoted housing 6 usefulness is installed in and connects round bar 5 middle part cylindrical and round platforms, pivoted housing 6 with connect round bar 5 middle part cylindricals and be made into normal-running fit; The head that connects round bar 5 is a plate 5-1; The head of plate 5-1 is a semicircle; Make a call to a blind hole 5-4 from the tiltedly top of semicircle to oblique below; The center of symmetry face of the thickness of slab of plate 5-1 is crossed the diametric(al) that connects round bar 5, and the diameter of the center of symmetry face of plate 5-1 thickness of slab and front vehicle wheel 1 place planes, and the bottom of plate 5-1 is surrounded at a distance from a circular groove 5-3 by ring 5-2.

Show like Fig. 1.Radial indentation 12-1 is arranged at push-and-pull pipe 12 bottoms; The bottom circular groove 5-2 of plate 5-1 is inserted in push-and-pull pipe 12 bottoms; Push-and-pull pipe 12 lower ends do not contact at the bottom of the circular groove 5-2, make plate 5-1 insert radial indentation 12-1, with a hinge pin 8 push-and-pull pipe 12 bottoms and plate 5-1 are got in touch; Plate 5-1 and radial indentation 12-1 are made into normal-running fit, make the push-and-pull pipe 12 can relative rotation with plate 5-1; Button 14, push rod 13, push-and-pull pipe 12 tops, a spring 11 are formed telescoping mechanism, if click button 14, when push rod 13 is stretched, click button 14 downwards, and push rod 13 will upwards bounce back.The concrete structure principle of this mechanism is identical with existing push type signature pen, does not give unnecessary details at this.The upper end platform of bullet pin 9 is among the cavity 13-1 of push rod 13 bottoms; The interior top of cavity 13-1 is withstood in No. two spring 10 upper ends; The lower end of No. two springs 10 props up the upper surface of bullet pin 9; Lower end mesopore and the blind hole 5-3 of bullet pin 9 bottom cylindricals and cavity 13-1 all are made into bearing fit, and the oblique lower end of bullet pin 9 is a semi-round ball.Laterally handlebar 15 is bound up on the push-and-pull pipe 12 head left and right sides.

Figure 1 shows, oblique beams 26, Cha 28 posterior oblique, horizontal composition after forking 37 links triangle frame, before the lower end of the inclined beam 26, the horizontal branches of a tree 37 after the front end slider 37-3 were associated with tube shell 3 fixing the outer circumference of the front slider 37-3 is rectangular in shape and cross section of the arc guide corners, the front slider 37-3 of the pedal on the lower inclined frame 4; seat 27 is mounted on the frame of the triangle The vertex angle of the seat 27 with adjustable backrest, with a damping device, the level of the seat 27 can be adjusted; load carriage 30 with the left and right two support rods 29 are fixed to the rear inclined pitchfork 28 Left (defined in Figure 6) branches of a tree branch 28-1, Right (defined in Figure 6) the lower branches of a tree branch 28-2; left and right foot rest plate 39 coupled to the level of the front portion 37 after the bifurcation of the left slider 37-3 and right sides.

Show that like Fig. 1 slide block 38 is enclosed within the anterior slide bar 37-3 outer peripheral face of wooden fork 37 after the level, and slide block 38 is made into bearing fit with anterior slide bar 37-3; The oblique upper end of a connecting rod 25 connects with the limit ear 6-1 of pivoted housing 6 with No. two hinge pins 18, and a connecting rod 25 can be relatively rotated with limit ear 6-1; Show that like Fig. 1, Fig. 4, Fig. 5 the oblique lower end of a connecting rod 25 is enclosed within the slide block 38 on the cylinder 38-2, the middle nut 45 with cylinder 38-2 head in being screwed in blocks then, and makes a connecting rod 25 be made into normal-running fit with middle cylinder 38-2; The front end of last tooth plate 36 (towards that end of car working direction) is enclosed within on the slide block 38 on the cylinder 38-1, blocks with the upper nut 44 that is screwed in cylinder 38-1 head then, and makes tooth plate 36 and last cylinder 38-1 be made into normal-running fit; The front end of lower tooth plate 35 (towards car the place ahead to that end) is enclosed within on 38 times cylinder 38-3 of slide block, blocks with the lower nut 46 that is screwed in down cylinder 38-3 head then, and makes lower tooth plate 35 and following cylinder 38-3 be made into normal-running fit; Make the rear portion of tooth plate 36 have the rear portion of toothed portion and lower tooth plate 35 that ratchet 33a of toothed portion clamping or No. two ratchet 33b are arranged; Magnet 32a on the rear end of last tooth plate 36 downside is fixing; The fixing lower magnet 32b of upper side in the rear end of lower tooth plate 35, last magnet 32a and lower magnet 32b compartment are at a distance from attracting each other; Show that like Fig. 1 teeth directional car the place ahead of last tooth plate 36 is to inclination, and is opposite with the tooth direction of tilt on a ratchet 33a or No. two ratchet 33b tops, the teeth directional car rear of lower tooth plate 35 is to inclination, and is opposite with the tooth direction of tilt of a ratchet 33a or No. two ratchet 33b bottoms.

Said trick is two drives chain-less bicycle has a rear wheel 31a, shows that like Fig. 6 back axle 34a passes the center of rear wheel 31a and ratchet 33a and fixes with them, sees that from Fig. 1 the tooth of ratchet 33a is along clockwise direction (seeing from Fig. 1) inclination one angle; A left side (by Fig. 6 definition) the wooden fork branch 37-1 of wooden fork 37 behind a left side (by Fig. 6 definition) the wooden fork branch 28-1, level of wooden fork 28 of retreading all is installed on the left end of back axle 34a with bearing 47, the right side (defining by Fig. 6) the wooden fork branch 37-2 of wooden fork 37 all is installed on the right-hand member of back axle 34a after the right side of the wooden fork 28 that retreads (defining by Fig. 6) wooden fork branch 28-2, the level with No. two bearings 48.

Perhaps, said trick is two drives chain-less bicycle has No. two rear wheel 31b-1 and No. three rear wheel 31b-2, shows like Fig. 7.A left side (by Fig. 8 definition) the wooden fork branch 37-1 of wooden fork 37 fixes after the left side of framework 52 (by Fig. 8 definition) and the left wooden fork branch 28-1 of the wooden fork 28 that retreads and the level, and the right side (by Fig. 8 definition) the wooden fork branch 37-2 of wooden fork 37 fixes after the right side of the right of framework 52 and the wooden fork 28 that retreads (by Fig. 8 definition) wooden fork branch 28-2 and the level; The shell of diff 53 is fixed in the framework 52; The coaxial successively heart of the right-hand member of No. two back axle 34b-1 is passed No. two rear wheel 31b-1, left bearing 49 backs and is connected with the left output revolving shaft (not drawing among the figure) of diff 53; The left end of No. two back axle 34b-1 and the center fixation of back with No. two rear wheel 31b-1, left bearing 49 is installed in left wooden fork branch 37-1 and left wooden fork branch 28-1; The right output revolving shaft (among the figure picture) that the coaxial successively heart of the left end of No. three back axle 34b-2 is passed No. three rear wheel 31b-2, right bearing 50, No. two ratchet 33b, coupling band 51 backs and diff 53 connects; The center fixation of the right-hand member of No. three back axle 34b-2 and No. three rear wheel 31b-2; Right bearing 50 is installed in right wooden fork branch 37-2 and right wooden fork branch 28-2; No. three back axle 34b-2 do not contact No. two ratchet 33b and coupling band 51, and coupling band 51 connects the input rotating shaft (drawing among the figure) of left end with the diff 53 of No. two ratchet 33b.

Show like Fig. 1, get in touch towards oblique upper end and universal ball joint 16 that vehicle seat 27 1 sides connect 16, No. two connecting rods 17 of universal ball joint at push-and-pull pipe 12 bottom cylindricals; Show like Fig. 1 Fig. 8, spiral pin 21 pass No. two connecting rods 17 oblique lower end and with its welding; The left end of No. three connecting rods 22 is enclosed within to be made on the spiral pin 21 and with it and is rotatably assorted; A left side, oblique lower end (pressing Fig. 1 definition) (pressing Fig. 8 definition) the smooth applying in side of right (pressing Fig. 8 definition) side of end, the left side of No. three connecting rods 22 (pressing Fig. 1 definition) and No. two connecting rods 17; There are some denticles the side, a left side (defining by Fig. 8) of the left side of No. three connecting rods 22 (by Fig. 1 definition) end, and the length direction of each tooth along the hole 22-2 of No. three connecting rod 22 left ends radially; Bolt 19 is screwed into from the screw 22-1 of the left end (by Fig. 1 definition) of No. three connecting rods 22, and the cylinder 19-1 that bolt 19 passes No. three connecting rods 22 inserts the annular groove 21-1 of spiral pin 21, and cylinder 19-1 can be trackslipped around annular groove 21-1; The middle screw of handwheel 20 cooperates connection with the left part screw rod of spiral pin 21, and the right side of handwheel 20 (by Fig. 8 definition) end face has some denticles, and the length direction of each tooth along handwheel 20 radially; Show that like Fig. 1 the right-hand member of No. three connecting rods 22 on hangers 24, can rotate the right-hand member of No. three connecting rods 22 with No. three hinge pin 23 contacts around No. three hinge pins 23, hangers 24 is bound up on the last prism of cant beam 26.

The protection case (drawing among the figure) of slide block 38, last tooth plate 36, lower tooth plate 35, ratchet 33a/33b is set, meets people or thing when preventing their motions, can prevent that also foreign matter from dropping to their last influences and normally riding.Said protection case is fixed on the said triangle frame.

The brake gear identical with existing bicycle structure and principle (not drawing among the figure) is set.

Show like Fig. 1, when bullet pin 9 inserts blind hole 5-3, push-and-pull pipe 12 with connect round bar 5 and be combined into a pull bar, change the wheel 20 of loosing one's grip, No. two teeth on the connecting rod 17 are separated with tooth on No. three connecting rods 22, No. two connecting rods 17 can relative rotations with No. three connecting rods 22.When the people rode, left and right sides pin was pedaled left foot respectively and is pedaled 40, pedals right pedal 41 together forward, and the while both hands are held handlebar 15 and pulled back, and axle 42 rotates, and at this moment ball 43 rotates in pipe shell 3.Like this; Connecting rod 25 will promote slide block 38 and move backward together with last tooth plate 36, lower tooth plate 35, and last tooth plate 36 will slip on ratchet 33a/33b with bouncing backward, and the tooth interlock of the tooth of lower tooth plate 35 and ratchet 33a/33b; Promote ratchet 33a/33b conter clockwise (seeing from Fig. 1) and rotate, car is to moving ahead.Hold handlebar 15 when both hands and push away forward, if left foot pedals 40, the cingulum button on the right pedal 41 people's pin, both feet pull back; Use both hands and feet like this; Connecting rod 25 pulling slide blocks 38 are travelled forward together with last tooth plate 36, lower tooth plate 35, and lower tooth plate 35 will bounce slip on ratchet 33a/33b backward, and on tooth and the tooth interlock of ratchet 33a/33b of tooth plate 36; Pulling ratchet 33a/33b conter clockwise (seeing from Fig. 1) rotates, and car is to moving ahead.The maximum range of the activity of said push-and-pull is that plate 5-1 front, back contact respectively in the ring 5-2 along the space that forms.When push-and-pull pipe 12 was combined into a joystick with connection round bar 5, pin can be parked in to put on the sole 39 and have a rest, and only pulled to drive and rode.When bullet pin 9 inserts blind hole 5-3, click button 14 and loose one's grip immediately, bullet makes bullet pin 9 extract blind hole 5-3 on the push rod 13; Push-and-pull pipe 12 and connection round bar 5 ability relative swing; Then, change tight handwheel 20, supporting on No. two tooth and No. three connecting rods 22 on the connecting rod 17 closed; No. two connecting rods 17 and No. three connecting rod 22 rotations relatively, push-and-pull pipe 12 is limited swing like this.In this case, the people only drives with both feet, and rides with holding handlebar 15 control directions.If will pull driving again, change the wheel 20 of loosing one's grip earlier, pin button 14 downwards; Push-and-pull push-and-pull pipe 12 then, bullet slides bullet pin 9 lower ends on the semi circular surface of plate 5-1, in case aim at blind hole 5-3; Bullet pin 9 is just under No. two spring 10 elastic force effects; Insert blind hole 5-3 immediately, push-and-pull pipe 12 is combined into a joystick again with connection round bar 5, decontrols button 14 at last.

No matter be to drive simultaneously in above-mentioned trick to ride, only with the hands drive, when only turning to, all realize with hand rotated handlebar as riding existing traditional bicycle with riding under any driving of both feet driving.Show like Fig. 2; During turning; Axle 42 rotates in the level in breach 3-2 (saying with respect to Fig. 1) of pipe shell 3; Be connected in axle 42 left circular arc slide plate 42-1, right circular arc slide plate 42-2 and in the chute of the right branch 4-2 of the chute of the left side of stretcher cleat 4 branch 4-1, stretcher cleat 4, trackslip respectively, stretcher cleat 4 always can not swing, do not influence normally pedaling of both feet draw left foot pedal 40 with the motion of right pedal 41.

The effect that the utility model is useful:

1. standard bicycle singly changes with pedal, and pin is whenever pedaled to turn around and had only half-turn to have an effect.And the two chain-less bicycles that drive of said trick have changed the mode of riding that traditional bicycle pedal changes; Use both hands and feet; And trick moves back and forth and all can have an effect; Driving force ratio standard bicycle much bigger, thus can obtain much higher acceleration/accel and riding speed than standard bicycle, and hill climbing ability is more much better than than standard bicycle.Use both hands and feet also than the better body-building of standard bicycle.

2. standard bicycle leans on chain gear; Friction is all arranged between chain and driving wheel and the flower wheel; And the chain gear poor rigidity, said trick is two drives chain-less bicycle, and the friction force between tooth plate and the ratchet is littler than total frictional force between chain in the chain gear and driving wheel and the flower wheel; And tooth plate and ratchet drive rigidity are strong, so the two height that drive chain-less bicycle efficiency ratio standard bicycle of said trick.

3, the two pedals that drive chain-less bicycle of said trick are in the vehicle seat front lower place, and little naturally when the people rides to be close to the backrest of vehicle seat to layback very comfortable, and the long period rides also can fatigue.

4. said trick is two drives chain-less bicycle and does not have to fall the chain problem.

5. above advantage has a extensive future it, and promotes easily.

Description of drawings

1. Fig. 1 is described structural representation;

2. Fig. 2 is the A-A cutaway view of Fig. 1;

3. Fig. 3 is the B-B cutaway view of Fig. 2;

Fig. 4 be wooden fork 37 after connecting rod 25 among Fig. 1, the level anterior slide bar 37-3, slide block 38, go up the birds-eye view of tooth plate 36 or lower tooth plate 35;

5. Fig. 5 is the C-C section-drawing of Fig. 1;

6. Fig. 6 is the D-D profile of Fig. 1;

7. Fig. 7 is the E-E profile of Fig. 1;

8. Fig. 8 is the F-F profile of Fig. 1.

The specific embodiment

Embodiment: show like Fig. 1 to Fig. 8.

Claims

1. trick is two drives chain-less bicycle, it is characterized in that:

Pipe shell (3) by cylindrical tube and loam cake, go to the bottom to connect and form, be stamped a strip shape hole (3-1) on said, the length direction of strip shape hole (3-1) both with radially the overlapping of loam cake, consistent with vehicle commander's direction again; Pipe shell (3) has a pair of symmetrical radial indentation (3-2); Ball (43) places in the pipe shell (3), and all is made into normal-running fit with the lower plane of the loam cake of the interior circle of pipe shell (3), pipe shell (3), the last plane of going to the bottom of pipe shell (3);

Front vehicle wheel (1) is the standard bicycle wheel or is the motor-type wheel that front vehicle wheel (1) is installed in preceding wooden fork (in 2); The upper end of preceding wooden fork (2) is inserted in the pipe shell (3) by going to the bottom of pipe shell (3), and cylindrical and going to the bottom of pipe shell (3) that preceding wooden fork (2) is among the going to the bottom of pipe shell (3) are made into normal-running fit, and the bottom of the upper end of preceding wooden fork (2) and ball (43) is fixed;

Axle (42) radially passes the radial indentation (3-2) and the ball (43) of pipe shell (3), and axle (42) is fixing with ball (43), and axle (42) is positioned over radial indentation (3-2); Connect left circular arc slide plate (42-1), right circular arc slide plate (42-2) respectively at the two ends of axle (42); The chute and the left circular arc slide plate (42)-1 of the front end of the left side branch (4-1) of stretcher cleat (4) are made into normal-running fit, and the chute and the right circular arc slide plate (42-2) of the front end of the right branch (4-2) of stretcher cleat (4) are made into normal-running fit; Left foot is pedaled left side, the right side that (40), right pedal (41) are installed in stretcher cleat (4) rear portion respectively, and left foot is pedaled the cingulum that (40), right pedal (41) all have the scalable degree of tightness;

The lower end that connects round bar (5) is fixing with ball (43) through the strip shape hole (3-1) of the loam cake of pipe shell (3), connect round bar (5) can be strip shape hole (3-1) in before and after activity, can rotate again; Pivoted housing (6) is installed in a nut (7) and connects round bar (5) middle part cylindrical and round platform, pivoted housing (6) with connect round bar (5) in the middle part of cylindrical be made into normal-running fit; The head that connects round bar (5) is a plate (5-1); The head of plate (5-1) is a semicircle; Make a call to a blind hole (5-4) from the tiltedly top of semicircle to oblique below; The center of symmetry face of the thickness of slab of plate (5-1) is crossed the diametric(al) of connection round bar (5), and the diameter of the center of symmetry face of plate (5-1) thickness of slab and front vehicle wheel (1) place planes, and the bottom of plate (5-1) is surrounded at a distance from a circular groove (5-3) by ring (5-2);

Radial indentation (12-1) is arranged at push-and-pull pipe (12) bottom; The bottom circular groove (5-2) of plate (5-1) is inserted in push-and-pull pipe (12) bottom; Push-and-pull pipe (12) lower end does not contact circular groove (5-2) end, makes plate (5-1) insert radial indentation (12-1), with a hinge pin (8) push-and-pull pipe (12) bottom and plate (5-1) is got in touch; Plate (5-1) and radial indentation (12-1) are made into normal-running fit, make push-and-pull pipe (12) can with plate (5-1) rotation relatively; Button (14), push rod (13), push-and-pull pipe (12) top, a spring (11) are formed telescoping mechanism, if click button (14), push rod (13) clicks button (14) when stretching downwards again, and push rod (13) will upwards bounce back; The upper end platform of bullet pin (9) is in the cavity (13-1) of push rod (13) bottom; The interior top that cavity (13-1) is withstood in No. two springs (10) upper end; The lower end of No. two springs (10) props up the upper surface of bullet pin (9); The lower end mesopore of bullet pin (9) bottom cylindrical and cavity (13-1) and blind hole (5-3) all are made into bearing fit, and the oblique lower end of bullet pin (9) is a semi-round ball.Laterally handlebar (15) is bound up on push-and-pull pipe (12) the head left and right sides;

Inclined beam (26), the posterior oblique forking (28), after the level of bifurcation (37) composed of triangular coupling frame, inclined beams (26) of the front lower end, after the level of bifurcation (37) of the slider front portion (37-3) both the tube end shell (3) of the outer fixing the front slider (37-3) and a rectangular cross-section of the arc guide corners, the front slider (37-3) to the pedal holder (4) above the lower ramp; seat (27) mounted on the apex of the triangle frame, the seat (27) with an adjustable angle of the backrest, with a damping device, a seat (27) can be adjusted in height; load carriage (30) with the left and right two rods (29) are fixed to the rear inclined forking (28) in the left branches of a tree branch (28-1), the right bifurcation branch (28-2) of the lower part; left and right the foot rest plate (39) after the bifurcation of the horizontal links (37) of the front portion of the slider (37-3) on the left and right sides;

Slide block (38) is enclosed within anterior slide bar (37-3) outer peripheral face of wooden fork (37) after the level, and slide block (38) is made into bearing fit with anterior slide bar (37-3); The oblique upper end of a connecting rod (25) connects with the limit ear (6-1) of pivoted housing (6) with No. two hinge pins (18), and a connecting rod (25) can be relatively rotated with limit ear (6-1); The oblique lower end of a connecting rod (25) is enclosed within on the middle cylinder (38-2) of slide block (38), blocks with the middle nut (45) that is screwed in middle cylinder (38-2) head then, and makes a connecting rod (25) and middle cylinder (38-2) be made into normal-running fit; The front end sleeve of last tooth plate (36) is gone up on the cylinder (38-1) at slide block (38), blocks with the upper nut (44) that is screwed in cylinder (38-1) head then, and makes tooth plate (36) and last cylinder (38-1) be made into normal-running fit; The front end sleeve of lower tooth plate (35) on the cylinder (38-3), blocks with the lower nut (46) that is screwed in down cylinder (38-3) head under slide block (38) then, and makes lower tooth plate (35) and following cylinder (38-3) be made into normal-running fit; Make the rear portion of tooth plate (36) have the rear portion of toothed portion and lower tooth plate (35) that a ratchet of toothed portion clamping (33a) or No. two ratchets (33b) are arranged; At the fixing magnet (32a) of going up of the rear end downside of last tooth plate (36); At the fixing lower magnet (32b) of the rear end upper side of lower tooth plate (35), last magnet (32a) and lower magnet (32b) compartment are at a distance from attracting each other; Teeth directional car the place ahead of last tooth plate (36) is to inclination; Opposite with the tooth direction of tilt on a ratchet (33a) or No. two ratchets (33b) top; The teeth directional car rear of lower tooth plate (35) is to inclination, and is opposite with the tooth direction of tilt of a ratchet (33a) or No. two ratchets (33b) bottom;

Said trick is two drives chain-less bicycle has a rear wheel (31a), and back axle (34a) passes the center of rear wheel (31a) and ratchet (33a) and fixes with them, and the tooth of ratchet (33a) is along the clockwise direction angle that tilts; The left wooden fork branch (37-1) of wooden fork (37) that retreads behind the left wooden fork branch (28-1), level of wooden fork (28) all uses a bearing (47) to be installed on the left end of back axle (34a), and the right wooden fork branch (37-2) of wooden fork (37) all uses No. two bearings (48) to be installed on the right-hand member of back axle (34a) after the right wooden fork branch (28-2) of the wooden fork that retreads (28), the level;

Perhaps; Said trick is two drives chain-less bicycle has No. two rear wheels (31b-1) and No. three rear wheels (31b-2); The left wooden fork branch (37-1) of wooden fork (37) is fixing after the left wooden fork branch (28-1) of the left side of framework (52) and the wooden fork (28) that retreads and the level, and the right wooden fork branch (37-2) of wooden fork (37) is fixing after the right wooden fork branch (28-2) of the right of framework (52) and the wooden fork (28) that retreads and the level; The shell of diff (53) is fixed in the framework (52); The coaxial successively heart of the right-hand member of No. two back axles (34b-1) is passed No. two rear wheels (31b-1), left bearing (49) back connects with the left output revolving shaft of diff (53); The left end of No. two back axles (34b-1) and the center fixation of back with No. two rear wheels (31b-1), left bearing (49) is installed in left wooden fork branch (37-1) and left wooden fork branch (28-1); The coaxial successively heart of the left end of No. three back axles (34b-2) connects with the right output revolving shaft of diff (53) after passing No. three rear wheels (31b-2), right bearing (50), No. two ratchets (33b), coupling band (51); The center fixation of the right-hand member of No. three back axles (34b-2) and No. three rear wheels (31b-2); Right bearing (50) is installed in right wooden fork branch (37-2) and right wooden fork branch (28-2); No. three back axles (34b-2) do not contact No. two ratchets (33b) and coupling band (51), and coupling band (51) connects the left end of No. two ratchets (33b) with the input rotating shaft of diff (53);

Cylindrical connects universal ball joint (16) towards vehicle seat (27) one sides in push-and-pull pipe (12) bottom, the oblique upper end of No. two connecting rods (17) and universal ball joint (16) contact; Spiral pin (21) pass No. two connecting rods (17) oblique lower end and with its welding; The left end of No. three connecting rods (22) is enclosed within to be made on the spiral pin (21) and with it and is rotatably assorted; The smooth applying of oblique lower end left surface of the left end right flank of No. three connecting rods (22) and No. two connecting rods (17); The left surface of the left end of No. three connecting rods (22) has some denticles, and the length direction of each tooth along the hole (22-2) of No. three connecting rods (22) left end radially; Bolt (19) is screwed into from the screw (22-1) of the left end of No. three connecting rods (22), and the cylinder (19-1) that bolt (19) passes No. three connecting rods (22) inserts the annular groove (21-1) of spiral pin (21), and cylinder (19-1) can be trackslipped around annular groove (21-1); The middle screw of handwheel (20) cooperates connection with the left part screw rod of spiral pin (21), and there are some denticles the right side of handwheel (20), and the length direction of each tooth along handwheel (20) radially; The right-hand member of No. three connecting rods (22) on hangers (24), can rotate the right-hand member of No. three connecting rods (22) with No. three hinge pins (23) contact around No. three hinge pins (23), and hangers (24) is bound up on the last prism of cant beam (26);

The protection case of slide block (38), last tooth plate (36), lower tooth plate (35), ratchet (33a)/(33b) is set, and said protection case is fixed on the said triangle frame;

Be provided with and existing bicycle structure and the identical brake gear of principle.