CN102975806A - Folding bicycle - Google Patents
Folding bicycle Download PDFInfo
- Publication number
- CN102975806A CN102975806A CN2011102581937A CN201110258193A CN102975806A CN 102975806 A CN102975806 A CN 102975806A CN 2011102581937 A CN2011102581937 A CN 2011102581937A CN 201110258193 A CN201110258193 A CN 201110258193A CN 102975806 A CN102975806 A CN 102975806A
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- China
- Prior art keywords
- bevel gear
- axle
- spline
- gear
- gear ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
- B62K15/006—Collapsible or foldable cycles the frame being foldable
- B62K15/008—Collapsible or foldable cycles the frame being foldable foldable about 2 or more axes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00—Cycle frames
- B62K19/30—Frame parts shaped to receive other cycle parts or accessories
- B62K19/36—Frame parts shaped to receive other cycle parts or accessories for attaching saddle pillars, e.g. adjustable during ride
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
A folding bicycle belongs to bicycles. A first bevel gear box is arranged below a bicycle beam of the folding bicycle. A first bevel gear and a second bevel gear are arranged in the first bevel gear box, wherein the first bevel gear and the second bevel gear are meshed with each other. A main shaft of a pedal and the first bevel gear are homocentrically assembled. A second bevel gear box is arranged on a rear wheel shaft. A third bevel gear and a fourth bevel gear are arranged in the second bevel gear box. The third bevel gear is connected with the back wheel gear box through a ratchet wheel clutch. A flexible shaft is connected between the fourth bevel gear and a second bevel gear. The forefront end of the bicycle beam is connected with an upper top tube of the bicycle beam through a self locking type rotating joint. The middle back portion is connected with a front fork through another self locking type rotating joint. A left handlebar and a right handlebar are respectively provided with a self locking type handlebar deflection joint and are connected with a front fork through a self locking type folding joint. A bicycle saddle is connected with the tail end of the bicycle beam through a bicycle saddle pitch adjusting device and a bicycle saddle lifting device. The folding bicycle has the advantages of being comfortable in riding, convenient to carry and appropriate for utilization in cities.
Description
Technical field
The invention belongs to the bicycle field, particularly the folding bicycle of a kind of convenience.
Background technology
The side of occupation of land relatively in the time of bicycle parking; When particularly utilizing bicycle as the instrument of plugging into of city motor bus and subway, because can be limited for the place of bicycle parking near Public Transport Station and the subway station, this problem is more outstanding.Therefore, develop a kind of bicycle that can fully reduce cumulative volume after folding, just can utilize near the box-type bike high-density storey parking device that arranges the Public Transport Station, for the Green Travel theory of preferential use public transport means creates conditions.Up to the present, the open scheme that more than 3,000 folding bicycle arranged, because the body frame structure for automotive of looking after modal chain gearing and consisting of with straight tube, so all can make breakpoint in a certain position of car Beam in most of scheme, reach superimposed purpose thereby add hinge or rotary joint at the breakpoint place; Bicycle by this way folding rear past contact shows slightly too fat to move; Some concept selection the wheel of minor diameter very, volume is to have reduced, but the too little wheel crossing ability of diameter is bad, the comfort of riding descends.These weak points of folding bicycle need to make improvements.
Summary of the invention
The purpose of this invention is to provide a kind of folding after compacter, folding more convenient, the more comfortable folding bicycle of riding; Further, behind increase electrical motor and the battery, become collapsible bicycle with mixed drive power.
The present invention includes car Beam, handlebar, front fork, back vent, stretcher, front-wheel, trailing wheel and saddle; It is characterized in that car Beam takes the shape of the letter U, car Beam below is fixed with first a bevel gear box, intermeshing the first bevel gear and the second bevel gear is arranged, the main shaft of stretcher and the first bevel gear concentric fits in the first bevel gear box; At hind axle second a bevel gear box is arranged, intermeshing the 3rd bevel gear and the 4th bevel gear are arranged in the second bevel gear box, the 3rd bevel gear is connected to hind axle by a pawl clutch; Be connected with a flexible axle between the 4th bevel gear and the second bevel gear, around forming, the axle sleeve of flexible axle is comprised of the multilayer bung flange of the reverse lap wound of adjacent layer the axle core of this flexible axle by steel wire strand boundling strand.
The front upper pipe of car Beam that is connected to foremost an arc by a self-locking type revolute joint of car Beam, front fork and handlebar are installed on the front upper pipe of car Beam; The postmedian of car Beam is connected to back vent by another self-locking type revolute joint; The pivot center of two self-locking type revolute joints is respectively roughly in compliance with they tangent lines at installed position car Beam, so that the front upper pipe of car Beam and front fork are after the upset of self-locking type revolute joint, front-wheel and front fork fall in the scope that car Beam surrounds, simultaneously so that back vent after another self-locking type revolute joint upset, the trailing wheel back vent also falls in the scope that car Beam surrounds.
The self-locking type revolute joint comprises permanent seat, guide pillar, slip gear ring, rotates gear ring, capital capping, gear ring stage clip and pull sheet; Permanent seat roughly is box-shaped, and there is dimple and the seam guide from dimple to downward-extension that penetrates into the permanent seat inner chamber its side; Guide pillar is fixed on the permanent seat bottom vertically, and the lower part cross section of guide pillar is non-circular, and there is columniform axle journal the top of guide pillar; Slip gear ring top has double wedge, slip gear ring center that the adaptive guide hole of shape and guide pillar lower part cross sectional shape is arranged, and the slip gear ring is enclosed within the guide pillar lower part by guide hole; The gear ring stage clip is installed between slip gear ring and the permanent seat bottom surface; The turning gear snare is on the axle journal of guide pillar, the capital capping is fixed on the guide pillar top, rotate gear ring and can not be shifted out guide pillar by capital capping restriction around guide pillar rotation and its, rotate the gear ring below have with the slip gear ring on the adaptive breach of double wedge, under the pressure-acting of gear ring stage clip, the double wedge of slip gear ring always tries hard to project up the breach that rotates gear ring; Pulling sheet has the location division of a cup-shaped, and the gabarit of this location division and the shape of dimple are adaptive, also has one to pull plate spring in the location division, have a diameter less than seam guide pass successively the through hole of pulling plate spring and bottom, location division with the cap bearing pin after be fastened on slip gear ring side; Pulling under the pressure-acting of plate spring, dimple is always tried hard to embed in the location division.
Handlebar divides left handlebar and right handlebar, each device of left handlebar stage casing and right handlebar stage casing has a Self-locking type vehicle the deflection joint, the hypomere of left handlebar and right handlebar is connected to front fork after jointly by a Self-locking type vehicle folding joint being compiled, and front fork is connected with the front upper pipe of car Beam by a turning sleeve; So that Self-locking type vehicle during the release of deflection joint handlebar can reverse with respect to front fork so that Self-locking type vehicle during the folding joint release handlebar can be folded to the rear.
Self-locking type vehicle comprises upper adaptor union, lower pipe connection, axle, clutch block, swivel nut, collar, pin and stage clip to the deflection joint; Axle is fastened on the lower pipe connection center vertically, the mesopore of clutch block is enclosed within outside the axle, clutch block can slide up and down along axle, upper adaptor union has the counterbore adaptive with the axle diameter, the counterbore of upper adaptor union is enclosed within the axle upper end, upper adaptor union can rotate around axle, and upper adaptor union has outside thread, and there is concavo-convex the first alternate gear ring upper adaptor union below; There is the second gear ring the clutch block top, and the shape of the second gear ring and the first gear ring are complementary, on the clutch block circumference bulge loop are arranged; The swivel nut inner chamber has collar, and collar blocks the bulge loop on the clutch block circumference, and the negative thread of swivel nut screws in the outside thread of upper adaptor union; Pin the higher authorities are fixed on the clutch block below, and the lower end of pin is slidably inserted into the column pin hole that is positioned at the lower pipe connection top, so that clutch block can not rotate with respect to lower pipe connection in the process of sliding along axle.
Self-locking type vehicle comprises bearing, spline gear, outer rotatable cover, spline button, gear ring spring, slide plate, sliding blade spring and bolt to folding joint; Bearing is cylindrical, the bearing inwall has one or more guide rail that extends vertically, the bearing below has bearing frame to be used for Self-locking type vehicle is installed to the front upper pipe of car Beam to folding joint, on the barrel of bearing top a slide plate guide groove that extends is vertically arranged, the slide plate guide groove is " first " font, and the width of its afterbody is a bit larger tham the diameter of bolt; The spline gear inner periphery has the internal tooth of evenly arranging; The external diameter of spline gear and bearing internal diameter are adaptive, the periphery of spline gear has quantity, position and shape with groove corresponding to quantity, position and the shape of guide rail, so that spline gear can be in the translation of bearing inner chamber, there is screw the top of spline gear over against the position of guide groove, the cross section of castellated shaft is square, the fluted disc concentric with square shaft arranged on it, and the fluted disc periphery has the external tooth with the internal tooth shape complementarity of spline gear; Bowl-shape lid and sleeve are stamped in outer rotation, and sleeve extends axially along lid, and the outward extending position of sleeve is used for being connected with handlebar; The bowl-shape edge of two outer rotatable covers has flange adaptive with bearing two ends nozzle respectively, and the part that the sleeve of two outer rotatable covers is positioned at lid portion inside is connected with the two ends of castellated shaft respectively to be fixed as one the three and can rotate at bearing; The gear ring spring fitting is between the outer rotatable cover of spline gear and a side, and the gear ring spring always tries hard to spline gear is pushed to castellated shaft; Boss is arranged at the slide plate bottom, and " field " shaped part of the profile of boss and slide plate guide groove is divided adaptive, and slide plate is positioned at the boss top has counterbore, boss that the through hole that penetrates into counterbore is arranged, and screw bolt passes sliding blade spring and through hole screw in the screw of spline gear.
Saddle is connected to car Beam caudal end by a saddle pitching regulating device and a saddle lifting device successively.
Saddle lifting device comprises permanent seat, lifting tube, tommy bar and torsion spring; Permanent seat is packed in car Beam extreme end, and lifting tube is positioned at the guide hole of permanent seat, and there is ratchet row the lifting tube both sides; The middle part of two tommy bars is hinged on the permanent seat both sides, and two tommy bar heads have ratchet, and two torsion springs are installed in respectively two ratchets are always contacted with the ratchet row of lifting tube both sides respectively.
The saddle pitching regulating device comprises pipe, upper base, axle, spline button, lower pipe, bottom nozzle, guider screw and cylindrical spring; Bottom nozzle is made of a curved plate and the wallboard that is positioned at the curved plate both sides, and splined hole is arranged on the two side wall panels, and the splined hole inner periphery has spline gear, and the base plate of bottom nozzle is fixed on the lower pipe; The spline button has fluted disc and bulge loop, and the spline gear on fluted disc peripheral shape and the wallboard is adaptive, and there is axis hole at spline button center and the screw that extends through outside face from axis hole is arranged, and the spline button has two, and they are positioned at the both sides of base; There is an axial groove on the axle surface, axle is passed the axis hole of two spline buttons simultaneously slidably, cylindrical spring is enclosed within on the axle and pushes up between the opposite face that is pressed on two spline buttons and makes the fluted disc of two spline buttons always try hard to embed respectively in two splined holes on the bottom nozzle wallboard, two guider screws screw in respectively two screws of spline button and charge in the groove of axle, so that two spline buttons all can not relatively rotate with axle; Upper base is cylindrical, and the cross sectional shape of its inner chamber is the same with the splined hole shape of bottom nozzle, upper base surround two spline buttons and its inner chamber all the time with the fluted disc engagement of spline button; Upper pipe is fixed on the base.
As a further improvement on the present invention, the number of teeth of the first bevel gear is more than the number of teeth of the 3rd bevel gear and more than the number of teeth of the second bevel gear, the number of teeth of the 3rd bevel gear is more than the number of teeth of the 4th bevel gear, and the number of teeth of the 4th bevel gear equals the number of teeth of the second bevel gear; The axis quadrature of the axis of the first bevel gear and the second bevel gear, the axis quadrature of the axis of the 3rd bevel gear and the 4th bevel gear; Respectively there is a swivel nut at two of axle sleeve, and one of them swivel nut and axle sleeve one is affixed, after the mesopore of another swivel nut is stuck in the flange of axle sleeve other end; Two swivel nuts are threaded with the bearing seat of supporting the 4th bevel gear and the bearing seat of supporting the second bevel gear respectively.
As another improvement of the present invention, front fork, back vent both one of or all be the single armed fork; In addition, the belly of the car Beam outside is equipped with two castors, and after front-wheel and trailing wheel were folding, two castors contacted to earth.
As another improvement of the present invention, an electrical motor is equipped with at the center of front-wheel, makes folding bicycle be improved to electric assisted bicycle; The stator of electrical motor is fixed on the front fork, and the outer rotor of electrical motor is connected with the steel wire wheel rim of front-wheel; In the inner chamber of car Beam, be provided with battery and electrical controller; Battery is connected to described electrical motor through the pulse wide voltage-regulation unit of electrical controller, and electrical motor is connected to battery through the inversion unit of electrical controller.
Compared to existing technology, the present invention has several significant advantages:
One, in folding process, two-wheeled almost parallel ground was pressed close to mutually after front-wheel, trailing wheel were folding together with front fork, back vent, and all was positioned at the scope that the car Beam of U-shaped centers on; The left and right sides handlebar that relatively takes up space falls into the scope that car Beam centers on except can rearward curving, and can also reverse the direction of handlebar, so that the gross thickness of car load after folding is minimized; Utilize saddle lifting device can make saddle contour with the trailing wheel after folding; Such folding mode makes the length after folding be approximately 1.7 times of wheel diameters, highly be approximately 1.3 wheel diameters, thickness is not more than two width between the stretcher, has formed compact profile.
Two, the turning joint of various structures of the present invention all has the characteristics of miniaturization, only need pull specific position during adjusting or unscrew specific swivel nut and get final product release, regulated the self-locking mechanism in the rear dependence turning joint or screwed swivel nut and keep turning joint to be securely fixed in folded state or be fixed on riding condition, simple to operate laborsaving, folding flexible.
Three, can hold car Beam after the present invention folds carries carrying or uses two castors that are installed in the car Beam outside to tow.
When launching, the present invention suits to ride at urban highway; The present invention is suitable after folding when plugging into public transport means enters public transport means or leaves near the Public Transport Station the bicycle high-density storey parking device with the car owner.
Description of drawings
Fig. 1 is the structural representation of Folding Bicycle embodiment of the present invention;
Fig. 2 is the structural representation of embodiment the first gearcase;
Fig. 3 is the structural representation of embodiment the second gearcase;
Fig. 4 is the soft-axle transmission structure scheme drawing of embodiment;
Fig. 5 is the flexible axle axle sleeve structure scheme drawing of embodiment;
Fig. 6 is the structural representation of the self-locking type revolute joint of embodiment;
Fig. 7 is the External view of the guide pillar of self-locking type revolute joint;
Fig. 8 is the left view of the permanent seat of self-locking type revolute joint;
Fig. 9 is the cutaway view of the permanent seat of self-locking type revolute joint;
Figure 10 is the upward view of the rotation gear ring of self-locking type revolute joint;
Figure 11 is the cutaway view of the rotation gear ring of self-locking type revolute joint;
Figure 12 is the cutaway view of the slip gear ring of self-locking type revolute joint;
Figure 13 is the birds-eye view of the slip gear ring of self-locking type revolute joint;
Figure 14 is the cutaway view of the capital seal of self-locking type revolute joint;
Figure 15 is that the embodiment Self-locking type vehicle is the structural representation in deflection joint;
Figure 16 is that Self-locking type vehicle is the upward view of the upper adaptor union in deflection joint;
Figure 17 is that Self-locking type vehicle is the birds-eye view of the clutch block in deflection joint;
Figure 18 is that Self-locking type vehicle is the cutaway view of the swivel nut in deflection joint;
Figure 19 is the structural representation in the handlebar handle bar folding joint of embodiment;
Figure 20 is the right elevation of the bearing in handlebar handle bar folding joint;
Figure 21 is that the A of Figure 19 is to cutaway view;
Figure 22 is the birds-eye view of the bearing in handlebar handle bar folding joint;
Figure 23 is the cutaway view of the spline gear in handlebar handle bar folding joint;
Figure 24 is the birds-eye view of the spline gear in handlebar handle bar folding joint;
Figure 25 is the right elevation of the castellated shaft in handlebar handle bar folding joint;
Figure 26 is the front view of the castellated shaft in handlebar handle bar folding joint;
Figure 27 is the birds-eye view of the slide plate in handlebar handle bar folding joint;
Figure 28 is the cutaway view of the slide plate in handlebar handle bar folding joint;
Figure 29 is the front view of the outer rotatable cover in handlebar handle bar folding joint;
Figure 30 is the left view of the outer rotatable cover in handlebar handle bar folding joint;
Figure 31 is the structural representation of the saddle pitching regulating device of embodiment;
Figure 32 is the left view of the bottom nozzle of saddle pitching regulating device;
Figure 33 is the front view of the bottom nozzle of saddle pitching regulating device;
Figure 34 is the cutaway view of the upper base of saddle pitching regulating device;
Figure 35 is the right elevation of the upper base of saddle pitching regulating device;
Figure 36 is the right elevation of the spline button of saddle pitching regulating device;
Figure 37 is the cutaway view of the spline button of saddle pitching regulating device;
Figure 38 is the cutaway view of the axle of saddle pitching regulating device;
Figure 39 is the structural representation of saddle lifting device;
Figure 40 to Figure 44 is Folding Bicycle folding process step scheme drawing.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail.
Referring to Fig. 1, the embodiment of the invention comprises car Beam 1, handlebar 2, front fork 3, back vent 4, stretcher 5, front-wheel 6, trailing wheel 7 and saddle 8; Car Beam 1 takes the shape of the letter U, the front upper pipe 19 of car Beam that is connected to foremost an arc by a self-locking type revolute joint 18 of car Beam 1, and front fork 3 and handlebar 2 are installed on the front upper pipe 19 of car Beam; The postmedian of car Beam 1 is connected to back vent 4 by another self-locking type revolute joint 18; The pivot center of two self-locking type revolute joints 18 is respectively roughly in compliance with they tangent lines at installed position car Beam 1, so that the front upper pipe 19 of car Beam and front fork 3 are after 18 upsets of self-locking type revolute joint, front-wheel 6 and front fork 3 fall in the scope that car Beam 1 surrounds, simultaneously so that back vent 4 after another self-locking type revolute joint 18 upsets, trailing wheel 7 back vents 4 also fall in the scope that car Beam 1 surrounds.
Referring to Fig. 2 to Fig. 5, be connected with a flexible axle 15 between the 4th bevel gear 14 and the second bevel gear 12, the axle core 16 of this flexible axle 15 is twisted around forming by the steel wire strand boundling, axle core 16 twist in such a manner around: when axle core 16 during from the first bevel gear to the second bevel gear transferring power, the steel wire strand of axle core 16 tends to tighten more; The axle sleeve 17 of flexible axle 15 is comprised of the multilayer steel wire bung flange of the reverse lap wound of adjacent layer.Respectively there is a swivel nut 44 at two of axle sleeve 17, and one of them swivel nut 44 and axle sleeve 17 one is affixed, and the mesopore of another swivel nut 44 is stuck in flange 93 back of axle sleeve 17 other ends; Two swivel nuts 44 are threaded with the bearing seat 99 of supporting the 4th bevel gear and the bearing seat 99 of supporting the second bevel gear respectively.Be when folding that with the benefit of soft-axle transmission structure flexible axle is can wide-angle ground crooked, makes the volume of car load become less.
Referring to Fig. 6 to Figure 14, the self-locking type revolute joint of embodiment comprises permanent seat 20, guide pillar 21, slip gear ring 22, rotates gear ring 23, capital capping 24, gear ring stage clip 25 and pull sheet 26.
Permanent seat 20 roughly is box-shaped, and there is dimple 30 and the seam guide from dimple 30 to downward-extension 31 that penetrates into permanent seat 20 inner chambers its side; Guide pillar 21 usefulness bolts 61 are fixed on permanent seat 20 bottoms vertically, the lower part cross section of guide pillar 21 is non-circular, process specifically symmetrical straight breach in columniform guide pillar circumference both sides, there is columniform axle journal 29(Fig. 7 the top of guide pillar 21), there is double wedge 32 slip gear ring 22 tops, there is the adaptive guide hole 33 of shape and guide pillar 21 lower part cross sectional shapes at slip gear ring 22 centers, slip gear ring 22 is enclosed within guide pillar 21 lower parts by guide hole 33, and slip gear ring 22 can only slide up and down and can not rotate along guide pillar 21; Gear ring stage clip 25 is installed between slip gear ring 22 and permanent seat 20 bottom surfaces; Rotate gear ring 23 and be enclosed within on the axle journal 29 of guide pillar 21, pin 95 of capital capping 24 usefulness is fixed on guide pillar 21 tops; Rotate gear ring 23 and can not be shifted out guide pillar 21 by capital capping 24 restrictions around guide pillar 21 rotations and its, rotate gear ring 23 belows have with slip gear ring 22 on the adaptive breach 34 of double wedge 32, under the pressure-acting of gear ring stage clip 25, the double wedge 32 of slip gear ring 22 always tries hard to project up the breach 34 that rotates gear ring 23.Pulling sheet 26 has the location division 28 of a cup-shaped, the shape of the gabarit of this location division 28 and dimple 30 is adaptive, also have one to pull plate spring 27 in the location division 28, have a diameter less than seam guide 31 pass successively the through hole 36 of pulling plate spring 27 and 28 bottoms, location division with cap bearing pin 35 after be fastened on slip gear ring 22 sides, when band cap bearing pin 35 also upper and lower translation simultaneously of slip gear ring 22 during along the seam guide upper and lower translation; Under the pressure-acting of pulling plate spring 27, dimple 30 is always tried hard to embed in location division 28.
Two self-locking type revolute joints of present embodiment configuration, the permanent seat 20 of first self-locking type revolute joint is fastened on car Beam foremost, and its rotation gear ring 23 is fastened on the front upper pipe of car Beam 19 lower ends.The permanent seat 20 of second self-locking type revolute joint is fastened in place's opening of postmedian of car Beam, and its rotation gear ring 23 is fastened on the front end of back vent.
At ordinary times, location division 28 embeds 30, two self-locking type revolute joints of dimple and is in locking-in state, and bicycle is in deployed condition (such as Fig. 1).When folding front-wheel or trailing wheel, make sheet 26 outside extractions the out of pulling of self-locking type revolute joint the location division 28 of pulling sheet 26 leave the dimple 30 of permanent seat 20, then the elastic force that overcomes gear ring stage clip 25 moves down to be pulled sheet 26 and slip gear ring 22 is broken away from rotate gear rings 23, just the front and back wheel of can overturning, handle is pulled sheet and is retracted the folded state that locked position just can keep bicycle after folding the finishing.
Referring to figure Figure 15 to Figure 18, Self-locking type vehicle comprises upper adaptor union 40, lower pipe connection 41, axle 42, clutch block 43, swivel nut 44, pin 46 and stage clip 47 to the deflection joint.Axle 41 is fastened on lower pipe connection 41 centers vertically by a bolt 61, the mesopore of clutch block 43 is enclosed within outside the axle 41, clutch block 43 can slide up and down along axle 41, upper adaptor union 40 has the counterbore 51 adaptive with axle 41 diameters, the counterbore 51 of upper adaptor union 40 is enclosed within axle 41 upper ends, upper adaptor union 40 can be around axle 41 rotations, and upper adaptor union 40 has outside thread, and there is concavo-convex the first alternate gear ring 48 upper adaptor union 40 belows; There are shape and 48 complementations of the first gear ring of the second gear ring 49, the second gear rings 49 clutch block 43 tops, on clutch block 43 circumference bulge loop 50 are arranged; Swivel nut 44 inner chambers have the first collar 45 and the second collar 100, the first collars 45 to block bulge loop 50 on clutch block 43 circumference, and the negative thread of swivel nut 44 screws in the outside thread of upper adaptor union 40; Pin 46 the higher authorities are fixed on clutch block 43 belows, and the lower end of pin 46 is slidably inserted into the column pin hole 52 that is positioned at lower pipe connection 41 tops, so that clutch block 43 can not rotate with respect to lower pipe connection 41 in the process of sliding along axle 42.Swivel nut 44 as best one can in the precession during adaptor union 40, the first collar 45 of swivel nut 44 is pressed in the first gear ring 48 that the second gear ring 49 that makes clutch block 43 below the bulge loop 50 of clutch block 43 is forced tight upper adaptor union 40, and at this moment Self-locking type vehicle is in locking state to the deflection joint.Swivel nut 44 is screwed out upper adaptor union 40, and the second collar 100 of swivel nut 44 is pressed in above the bulge loop 50 of clutch block 43, hold swivel nut 44 and exert pressure downwards, force the second gear ring 49 of clutch block 43 to break away from upward the first gear ring 48 of adaptor union 40, at this moment Self-locking type vehicle is in released state to the deflection joint.
Handlebar of the present invention is the erietiform handlebar, and handlebar is divided into left handlebar and the right handlebar of mutual mirror image symmetry.A Self-locking type vehicle is arranged the deflection joint in left handlebar stage casing and each device of right handlebar stage casing; The hypomere of left handlebar and right handlebar is connected to front fork after jointly by a Self-locking type vehicle folding joint being compiled again.Self-locking type vehicle is affixed with the upper part with the stage casing of handlebar the upper adaptor union 40 in deflection joint, Self-locking type vehicle is affixed with the hypomere position of handlebar the lower pipe connection 41 in deflection joint, like this, when Self-locking type vehicle during the release of deflection joint handlebar can reverse with respect to front fork, be convenient to further reduction taking up room after folding.
Referring to Figure 19 to Figure 30, Self-locking type vehicle comprises bearing 54, spline gear 55, outer rotatable cover 56, castellated shaft 57, gear ring spring 58, slide plate 59, sliding blade spring 60 and bolt 61 to folding joint.
Bearing 54 is cylindrical, bearing 54 inwalls have six guide rails 62 that extend vertically, bearing 54 belows have bearing frame 63 to be used for Self-locking type vehicle is installed to the front upper pipe of car Beam to folding joint, a slide plate guide groove 64 that extends is vertically arranged on the bearing 54 top barrels, slide plate guide groove 64 is " first " font, and the width of its afterbody is a bit larger tham bolt 61 diameters; The internal tooth 65 that spline gear 55 inner peripherys are evenly arranged; The external diameter of spline gear 55 and bearing 54 internal diameters are adaptive, the periphery of spline gear 55 has six positions and shape with position and the groove 66 corresponding to shape of guide rail 62, so that spline gear 55 can be in bearing 54 inner chamber translations, there is screw 67 top of spline gear 55 over against the position of slide plate guide groove 64, the cross section of castellated shaft 57 is square, the fluted disc 68 concentric with square shaft arranged on it, and fluted disc 68 peripheries have the external tooth 69 with internal tooth 65 shape complementarities of spline gear 55; Outer rotatable cover 56 has bowl-shape lid 70 and sleeve 71, and sleeve 71 extends axially along lid 70, and sleeve 71 outward extending positions are used for being connected with handlebar; The bowl-shape edge of two outer rotatable covers 56 has flange adaptive with bearing 54 two ends nozzles respectively, and the part that the sleeve of two outer rotatable covers 56 is positioned at lid 70 inside is connected with the two ends of castellated shaft 57 with bolt 61 respectively to be fixed as one the three and can rotate at bearing 54; Gear ring spring 58 is installed between the outer rotatable cover 56 of spline gear 55 and a side, and gear ring spring 58 always tries hard to spline gear 55 is pushed to castellated shaft 57; Boss 72 is arranged at slide plate 59 bottoms, " field " shaped part of the profile of boss 72 and slide plate guide groove 64 is divided adaptive, slide plate 59 is positioned at boss 72 tops counterbore 73, and boss 72 has the through hole 36 that penetrates into counterbore 73, and bolt 61 passes the screw 67 of sliding blade spring 60 and through hole 36 screw-in spline gears 55 successively.
When wanting release, pinching slide plate 59 up carries, " field " shaped part that makes the boss 72 of slide plate 59 leave slide plate guide groove 64 is divided, continue to pinch slide plate 59 toward moving to right, bolt 61 moves along the afterbody of slide plate guide groove 64, and under the drive of bolt 61, spline gear 55 moves right along guide rail 62 at bearing 54 inner chambers, the internal tooth 65 of spline gear 55 breaks away from the fluted disc 68 of castellated shaft 57, and such two outer rotatable covers 56 just can freely rotate together with left and right sides handlebar.
Referring to Figure 31 to Figure 39, the saddle pitching regulating device comprises pipe 83, upper base 84, axle 42, spline button 86, lower pipe 87, bottom nozzle 88, guider screw 89 and cylindrical spring 90; Bottom nozzle 88 is made of a curved plate and the wallboard 74 that is positioned at the curved plate both sides, and splined hole 85 is arranged on the two side wall panels 74, and splined hole 85 inner peripherys have spline gear 55, and the base plate of bottom nozzle 88 is fixed on the lower pipe 87; Spline button 86 has fluted disc 73 and bulge loop 50, spline gear 55 on fluted disc 73 peripheral shape and the wallboard 74 is adaptive, there is axis hole 92 at spline button 86 centers and the screw 67 that extends through outside face from axis hole 92 are arranged, and spline button 86 has two, and they are positioned at the both sides of base 84; There is an axial groove 66 on axle 42 surfaces, axle 42 is passed the axis hole 92 of two spline buttons 86 simultaneously slidably, cylindrical spring 90 is enclosed within on the axle 42 and the top is pressed on the fluted disc 73 that makes two spline buttons 86 between the opposite face of two spline buttons 86 and always tries hard to embed respectively in the splined hole 85 on two bottom nozzles, 87 wallboards 74, two guider screws 89 screw in respectively two screws 67 of spline button 86 and charge in the groove 66 of axle 42, so that two spline buttons 86 all can not relatively rotate with axle 42; Upper base 84 is cylindrical, and the cross sectional shape of its inner chamber is the same with splined hole 85 shapes of bottom nozzle 88, upper base 84 surround two spline buttons 86 and its inner chamber all the time with fluted disc 73 engagements of spline button 86; Upper pipe 83 is fixed on the base 84.
The fluted disc 73 of two spline buttons 86 is the same base 84 inner chambers engagement always.When two spline buttons 86 were outstanding to both sides, also respectively with spline gear 55 engagements on the wallboard 74 of bottom nozzle 88 both sides, at this moment the saddle pitching regulating device was in locking state to the fluted disc 73 of two spline buttons 86; Make them all behind the indentation wallboard 74 when pressing simultaneously two spline buttons 86, the fluted disc 73 of two spline buttons 86 is the same base 84 inner chambers engagement only, and the saddle pitching regulating device is in released state, at this moment can change easily the pitch angle of saddle.
Saddle lifting device comprises supporting base 77, lifting tube 78, tommy bar 79 and torsion spring 80; Supporting base 77 is packed in car Beam 1 extreme end, and lifting tube 78 is positioned at the pilot shaft 94 of supporting base 77, and there is ratchet row 81 lifting tube 78 both sides; The middle part of two tommy bars 79 is hinged on supporting base 77 both sides, two tommy bar 79 heads have ratchet 82, two torsion springs 80 are installed in respectively two ratchets 82 are always contacted with the ratchet row 81 of lifting tube 78 both sides respectively, lifting tube 78 can only lift and can not force down, after pressing simultaneously two tommy bars 79 and making two ratchets 82 leave ratchet row 81, lifting tube 78 can force down proper height.
Figure 40 to Figure 44 illustrates the folding step of folding bicycle of the present invention.
Referring to Figure 40, Self-locking type vehicle is unlocked folding joint 38, make handlebar 2 rearward swinging direct to left handlebar and right handlebar lay respectively at the front fork both sides, then relock Self-locking type vehicle folding joint 38.
Referring to Figure 41, respectively the Self-locking type vehicle that is positioned at left handlebar and right handlebar is unlocked deflection joint 37, rotate respectively left handlebar and right handlebar most the section of top it is drawn close to front fork, then relock Self-locking type vehicle deflection joint 37.
Referring to Figure 42, the self-locking type revolute joint 18 foremost that is positioned at car Beam 1 is unlocked, the front upper pipe 19 of rotating vehicle Beam makes front fork be turned to the inboard of U-shaped car Beam 1 together with front-wheel 6, then relocks the state that the front upper pipe 19 of car Beam reaches Figure 43.
Referring to Figure 43, the self-locking type revolute joint 18 of the postmedian that is positioned at car Beam 1 is unlocked, rotation back vent 4 makes back vent 4 be turned to the inboard of U-shaped car Beam 1 together with trailing wheel 7 from another direction, reaches the state of Figure 44.
In order further to reduce again the thickness of two wheels after superimposed, one of front fork and back vent or all be the single armed fork.
Be convenient to tow on the road surface after folding, can two castors 101 be installed in the belly outside of car Beam, when bicycle was in deployed condition, two castors 101 can not contact to earth; After front-wheel and trailing wheel are folding, two castors 101 contact to earth (referring to Figure 42 to Figure 44).
For physical in the middle saving of riding, an electrical motor is equipped with at the center of front-wheel, and the stator of electrical motor is fixed on the front fork, and the outer rotor of electrical motor is connected with the steel wire wheel rim of front-wheel; Be provided with battery and electrical controller in the inner chamber of car Beam; Battery is connected to electrical motor through the pulse wide voltage-regulation unit of electrical controller, and electrical motor is connected to battery through the inversion unit of electrical controller.The present invention is become a bicycle with mixed drive power.
Claims (5)
1. a Folding Bicycle comprises car Beam (1), handlebar (2), front fork (3), back vent (4), stretcher (5), front-wheel (6), trailing wheel (7) and saddle (8); It is characterized in that:
Described car Beam (1) takes the shape of the letter U, car Beam (1) below is fixed with first a bevel gear box (9), intermeshing the first bevel gear (11) and the second bevel gear (12) are arranged, the main shaft of stretcher (5) and the first bevel gear (11) concentric fits in the first bevel gear box (9); At hind axle second a bevel gear box (10) is arranged, intermeshing the 3rd bevel gear (13) and the 4th bevel gear (14) are arranged in the second bevel gear box (10), the 3rd bevel gear (13) is connected to hind axle by a pawl clutch; Be connected with a flexible axle (15) between the 4th bevel gear (14) and the second bevel gear (12), around forming, the axle sleeve (17) of flexible axle (15) is comprised of the multilayer bung flange of the reverse lap wound of adjacent layer the axle core (16) of this flexible axle (15) by steel wire strand boundling strand;
The front upper pipe of car Beam (19) that is connected to foremost an arc by a self-locking type revolute joint (18) of car Beam (1), front fork (3) and handlebar (2) are installed on the front upper pipe of car Beam (19); The postmedian of car Beam (1) is connected to back vent (4) by another self-locking type revolute joint (18); The pivot center of two self-locking type revolute joints (18) is respectively roughly in compliance with they tangent lines at installed position car Beam (1), so that the front upper pipe of car Beam (19) and front fork (3) are after self-locking type revolute joint (18) upset, front-wheel (6) and front fork (3) fall in the scope that car Beam (1) surrounds, simultaneously so that back vent (4) after another self-locking type revolute joint (18) upset, trailing wheel (7) and back vent (4) also fall in the scope that car Beam (1) surrounds;
Described self-locking type revolute joint (18) comprises permanent seat (20), guide pillar (21), slip gear ring (22), rotates gear ring (23), capital capping (24), gear ring stage clip (25) and pull sheet (26); Permanent seat (20) roughly is box-shaped, and there are the dimple (30) that penetrates into permanent seat (20) inner chamber and the seam guide (31) from dimple (30) to downward-extension in its side; Guide pillar (21) is fixed on permanent seat (20) bottom vertically, and the lower part cross section of guide pillar (21) is non-circular, and there is columniform axle journal (29) top of guide pillar (21); Slip gear ring (22) top has double wedge (32), slip gear ring (22) center that the adaptive guide hole (33) of shape and guide pillar (21) lower part cross sectional shape is arranged, and slip gear ring (22) is enclosed within guide pillar (21) lower part by guide hole (33); Gear ring stage clip (25) is installed between slip gear ring (22) and permanent seat (20) bottom surface; Rotating gear ring (23) is enclosed within on the axle journal (29) of guide pillar (21), capital capping (24) is fixed on guide pillar (21) top, rotate gear ring (23) and can not be shifted out guide pillar (21) by capital capping (24) restriction around guide pillar (21) rotation and its, rotate gear ring (23) below have with slip gear ring (22) on the adaptive breach (34) of double wedge (32), under the pressure-acting of gear ring stage clip (25), the double wedge (32) of slip gear ring (22) always tries hard to project up the breach (34) that rotates gear ring (23); Pulling sheet (26) has the location division (28) of a cup-shaped, the shape of the gabarit of this location division (28) and dimple (30) is adaptive, also have in the location division (28) one to pull plate spring (27), be fastened on slip gear ring (22) side after having a diameter to pass successively the through hole (36) of pulling bottom plate spring (27) and location division (28) less than the band cap bearing pin (35) of seam guide (31); Under the pressure-acting of pulling plate spring (27), location division (28) always try hard to embed dimple (30);
Described handlebar (2) minute left handlebar and right handlebar, each device of left handlebar stage casing and right handlebar stage casing has a Self-locking type vehicle deflection joint (37), the hypomere of left handlebar and right handlebar is connected to front fork (3) after jointly by a Self-locking type vehicle folding joint (38) being compiled, and front fork (3) is connected with the front upper pipe of car Beam (19) by a turning sleeve (39); So that Self-locking type vehicle during deflection joint (37) release handlebar (2) can reverse with respect to front fork (3) so that the self-locking type handle bar folding when closing the release of (38) joint handlebar (2) can be folded to the rear;
Described Self-locking type vehicle comprises upper adaptor union (40), lower pipe connection (41), axle (42), clutch block (43), swivel nut (44), pin (46) and stage clip (47) to deflection joint (37); Axle (41) is fastened on lower pipe connection (41) center vertically, the mesopore of clutch block (43) is enclosed within outside the axle (41), clutch block (43) can slide up and down along axle (41), upper adaptor union (40) has the counterbore (51) adaptive with axle (41) diameter, the counterbore (51) of upper adaptor union (40) is enclosed within axle (41) upper end, upper adaptor union (40) can rotate around axle (41), upper adaptor union (40) has outside thread, and there is concavo-convex alternate the first gear ring (48) upper adaptor union (40) below; There is the second gear ring (49) clutch block (43) top, and the shape of the second gear ring (49) and the first gear ring (48) complementation have bulge loop (50) on clutch block (43) circumference; Swivel nut (44) inner chamber has collar (45), and collar (45) blocks the bulge loop (50) on clutch block (43) circumference, and the negative thread of swivel nut (44) screws in the outside thread of upper adaptor union (40); Pin (46) the higher authorities are fixed on clutch block (43) below, the lower end of pin (46) is slidably inserted into the column pin hole (52) that is positioned at lower pipe connection (41) top, so that clutch block (43) can not rotate with respect to lower pipe connection (41) in the process of sliding along axle (42);
Described Self-locking type vehicle comprises bearing (54), spline gear (55), outer rotatable cover (56), castellated shaft (57), gear ring spring (58), slide plate (59), sliding blade spring (60) and bolt (61) to folding joint (38); Bearing (54) is cylindrical, bearing (54) inwall has one or more guide rail that extends vertically (62), bearing (54) below has bearing frame (63) to be used for Self-locking type vehicle is installed to the front upper pipe of described car Beam (19) to folding joint, on the barrel of bearing (54) top a slide plate guide groove (64) that extends is vertically arranged, slide plate guide groove (64) is " first " font, and the width of its afterbody is a bit larger tham bolt (61) diameter; Spline gear (55) inner periphery has the internal tooth (65) of evenly arranging; The external diameter of spline gear (55) and bearing (54) internal diameter are adaptive, the periphery of spline gear (55) has quantity, the quantity of the same guide rail of position and shape (62), the groove (66) that position and shape are corresponding, so that spline gear (55) can be in bearing (54) inner chamber translation, there is screw (67) top of spline gear (55) over against the position of slide plate guide groove (64), the cross section of castellated shaft (57) is square, the fluted disc concentric with square shaft (68) arranged on it, and fluted disc (68) periphery has the external tooth (69) with internal tooth (65) shape complementarity of spline gear (55); Outer rotatable cover (56) has bowl-shape lid (70) and sleeve (71), and sleeve (71) extends axially along lid (70), and the outward extending position of sleeve (71) is used for being connected with described handlebar (2); The bowl-shape edge of two outer rotatable covers (56) has flange adaptive with bearing (54) two ends nozzle respectively, and the sleeve of two outer rotatable covers (56) is positioned at the inner part of lid (70) and is connected with the two ends of castellated shaft (57) respectively and the three is fixed as one and can rotates at bearing (54); Gear ring spring (58) is installed between the outer rotatable cover (56) of spline gear (55) and a side, and gear ring spring (58) always tries hard to spline gear (55) is pushed to castellated shaft (57); Boss (72) is arranged at slide plate (59) bottom, " field " shaped part of the profile of boss (72) and slide plate guide groove (64) is divided adaptive, slide plate (59) is positioned at boss (72) top counterbore (73), boss (72) has the through hole (36) that penetrates into counterbore (73), and bolt (61) passes the screw (67) of sliding blade spring (60) and through hole (36) screw-in spline gear (55) successively;
Described saddle (8) is connected to described car Beam (1) caudal end by a saddle pitching regulating device (75) and a saddle lifting device (76) successively;
Described saddle lifting device (76) comprises supporting base (77), lifting tube (78), tommy bar (79) and torsion spring (80); Supporting base (77) is packed in car Beam (1) extreme end, and lifting tube (78) is positioned at the pilot shaft (94) of supporting base (77), and there is ratchet row (81) lifting tube (78) both sides; The middle part of two tommy bars (79) is hinged on supporting base (77) both sides, two tommy bars (79) head has ratchet (82), and two torsion springs (80) are installed in respectively two ratchets (82) are always contacted with the ratchet row (81) of lifting tube (78) both sides respectively;
Described saddle pitching regulating device (75) comprises pipe (83), upper base (84), axle (42), spline button (86), lower pipe (87), bottom nozzle (88), guider screw (89) and cylindrical spring (90); Bottom nozzle (88) is made of a curved plate and the wallboard (74) that is positioned at the curved plate both sides, splined hole (85) is arranged on the two side wall panels (74), splined hole (85) inner periphery has spline gear (55), and the base plate of bottom nozzle (88) is fixed on the lower pipe (87); Spline button (86) has fluted disc (73) and bulge loop (50), spline gear (55) on fluted disc (73) peripheral shape and the wallboard (74) is adaptive, there is axis hole (92) at spline button (86) center and the screw (67) that extends through outside face from axis hole (92) is arranged, spline button (86) has two, and they are positioned at the both sides of base (84); There is an axial groove (66) on axle (42) surface, axle (42) is passed the axis hole (92) of two spline buttons (86) simultaneously slidably, cylindrical spring (90) is enclosed within the fluted disc (73) that makes two spline buttons (86) between the opposite face that the upper and top of axle (42) is pressed on two spline buttons (86) and always tries hard to embed respectively in the splined hole (85) on two bottom nozzles (87) wallboards (74), two guider screws (89) screw in respectively two screws (67) of spline button (86) and charge in the groove (66) of axle (42), so that two spline buttons (86) all can not relatively rotate with axle (42); Upper base (84) is cylindrical, and the cross sectional shape of its inner chamber is the same with splined hole (85) shape of bottom nozzle (88), upper base (84) surround two spline buttons (86) and its inner chamber all the time with fluted disc (73) engagement of spline button (86); Upper pipe (83) is fixed on the base (84).
2. according to Folding Bicycle claimed in claim 1, it is characterized in that: the number of teeth of described the first bevel gear (11) is more than the number of teeth of described the 3rd bevel gear (13) and more than the number of teeth of described the second bevel gear (12), the number of teeth of the 3rd bevel gear (13) is more than the number of teeth of described the 4th bevel gear (14), and the number of teeth of the 4th bevel gear (14) equals the number of teeth of the second bevel gear (12); The axis quadrature of the axis of the first bevel gear (11) and the second bevel gear (12), axis (14) quadrature of the axis of the 3rd bevel gear (13) and the 4th bevel gear; Respectively there is a swivel nut (44) at two of described axle sleeve (17), and one of them swivel nut (44) and axle sleeve (17) one is affixed, and the mesopore of another swivel nut (44) is stuck in flange (93) back of axle sleeve (17) other end; Two swivel nuts (44) are threaded with the bearing seat of supporting the 4th bevel gear (14) and the bearing seat of supporting the second bevel gear (12) respectively.
3. according to Folding Bicycle claimed in claim 1, it is characterized in that: described front fork (3), back vent (4) both one of or all be the single armed fork.
4. according to Folding Bicycle claimed in claim 1, it is characterized in that: the belly of described car Beam (1) outside is equipped with two castors, and after described front-wheel (6) and described trailing wheel (7) folded, two castors contacted to earth.
5. according to Folding Bicycle claimed in claim 1, it is characterized in that: an electrical motor is equipped with at the center of described front-wheel (6), and the stator of electrical motor is fixed on the front fork (3), and the outer rotor of electrical motor is connected with the steel wire wheel rim of front-wheel (6);
In the inner chamber of described car Beam (1), be provided with battery and electrical controller; Battery is connected to electrical motor through the pulse wide voltage-regulation unit of electrical controller, and electrical motor is connected to battery through the inversion unit of electrical controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102581937A CN102975806A (en) | 2011-09-02 | 2011-09-02 | Folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102581937A CN102975806A (en) | 2011-09-02 | 2011-09-02 | Folding bicycle |
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| Publication Number | Publication Date |
|---|---|
| CN102975806A true CN102975806A (en) | 2013-03-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102581937A Pending CN102975806A (en) | 2011-09-02 | 2011-09-02 | Folding bicycle |
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| Country | Link |
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| CN (1) | CN102975806A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103512759A (en) * | 2013-10-17 | 2014-01-15 | 天津大学 | Adjustable riding test bench |
| CN105882844A (en) * | 2015-02-18 | 2016-08-24 | 通用汽车环球科技运作有限责任公司 | Integrated folding bike system |
| CN106005199A (en) * | 2016-07-29 | 2016-10-12 | 杭州久高科技有限公司 | Electric servo bicycle |
| CN106741470A (en) * | 2016-12-29 | 2017-05-31 | 北京九星智元科技有限公司 | The locking and unlocking structure of a kind of scooter |
| CN106827990A (en) * | 2017-03-28 | 2017-06-13 | 常州船漂亮信息科技发展有限公司 | A kind of water surface is ridden device |
| CN109319033A (en) * | 2018-10-18 | 2019-02-12 | 昆山福宏康复科技有限公司 | A kind of clutch pack for folding stand |
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| JP3293315B2 (en) * | 1994-04-15 | 2002-06-17 | 松下電器産業株式会社 | A folding bicycle that transmits the rotation of the pedal to the rear wheel through the drive shaft |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103512759A (en) * | 2013-10-17 | 2014-01-15 | 天津大学 | Adjustable riding test bench |
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| CN106741470B (en) * | 2016-12-29 | 2019-04-16 | 北京九星智元科技有限公司 | A kind of locking and unlocking structure of scooter |
| CN106827990A (en) * | 2017-03-28 | 2017-06-13 | 常州船漂亮信息科技发展有限公司 | A kind of water surface is ridden device |
| CN109319033A (en) * | 2018-10-18 | 2019-02-12 | 昆山福宏康复科技有限公司 | A kind of clutch pack for folding stand |
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Application publication date: 20130320 |