CN103158821A - Driving mechanism and portable bike - Google Patents
Driving mechanism and portable bike Download PDFInfo
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- CN103158821A CN103158821A CN2013101054470A CN201310105447A CN103158821A CN 103158821 A CN103158821 A CN 103158821A CN 2013101054470 A CN2013101054470 A CN 2013101054470A CN 201310105447 A CN201310105447 A CN 201310105447A CN 103158821 A CN103158821 A CN 103158821A
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Abstract
The invention discloses a driving mechanism and a portable bike using the driving mechanism. The driving mechanism comprises supports, driving rod pieces, gears, first wheel discs, unilateral bearings and second wheel discs. One ends of the supports are connecting ends, and the other ends of the supports are support ends, and containing boxes are arranged on one sides of the support ends. One ends of the driving rod pieces are connected with the connecting ends in a pivot mode, and racks are arranged at the other ends of the driving rod pieces. The gears are pivoted at the positions of the containing boxes and meshed with the racks. The first wheel discs are hollow disc bodies, and the outer peripheries of the first wheel discs are respectively provided with a circle of sharp teeth. The unilateral bearings are embedded into the hollow portions of the first wheel discs. The outer rings of the unilateral bearings are tightly attached to the inner walls of the hollow portions of the first wheel discs, and the inner rings of the unilateral bearings are tightly fixed with the gears. The second wheel discs are hollow disc bodies, and the outer peripheries of the second wheel discs are respectively provided with a circle of sharp teeth. The hollow portions of the second wheel discs are sleeved on output shafts which are pivoted to the support ends of the supports. Annular chains are respectively sleeved on the sharp teeth of the first wheel discs and the sharp teeth of the second wheel discs. The driving mechanism is stable in conveying, and high in transmission ratio.
Description
Technical field
The present invention relates to a kind of driver train, especially relate to a kind of pedal type driver train, the portable bicycle that can utilize this pedal type driver train to drive.
Background technology
Bicycle is always people and dotes on as environmental protection trip mode easily.Traditional saddle ride type bicycle is ridden because movement range is not suitable for greatly graceful women, particularly is not suitable for the skirt women and rides.And the existing pedal-type bicycle speed of a motor vehicle is slower, and the transmitting ratio of driver train is not high, causes again not too being fit to prevailing roadway and travels.
Summary of the invention
The present invention is directed to the drawback of prior art, the portable bicycle of a kind of driver train and this driver train of application is provided, it not only can provide the graceful attitude of riding, and can also reach the riding speed of ordinary bicycle.
An object of the present invention is to provide a kind of portable bicycle, its maximum possible is utilized folding space, folds up can be contained in a common knapsack.
Another object of the present invention is to provide a kind of bicycle of lightweight, and its main body is made by carbon fibre.
Another purpose of the present invention is to provide a kind of folding very convenient, the physical construction that only needs an action just can fold.
A further object of the present invention is to provide a kind of pedal-type bicycle of riding the appearance gracefulness.
For this reason, the invention discloses a kind of driver train, wherein, comprising:
Support, one end are coupling end, and the other end is support end, and described support end one side is provided with accommodation box;
Drive rod member, one end and described coupling end pivot joint, its other end is provided with tooth bar;
Gear, it is articulated in described accommodation box place, and intermeshing with described tooth bar;
The first wheel disc, it is the hollow disk body, outward flange is provided with a circle pointed tooth;
Unilateral bearing, it is embedded in the hollow space of the first wheel disc, and the inwall of the outer ring of unilateral bearing and the first wheel disc hollow space is close together, and inner ring and gear are confined together;
The second wheel disc, it is the hollow disk body, outward flange is provided with a circle pointed tooth; The hollow space of the second wheel disc is arranged with on output shaft, and output shaft is pivoted to the support end of described support;
Wherein, ring chain is set on the pointed tooth of the first wheel disc and on the pointed tooth of the second wheel disc.
Preferably, in described driver train, described driver train is used for wheels, and described support comprises two L-type cradling pieces of the certain interval that is spaced apart from each other, and a side of two L-type bars links together, and a side that wherein links together is described support end, and a side that does not link together is described coupling end, described wheel is between two L-type cradling pieces, interval that be positioned at support end gap location, and described output shaft is the center shaft of described wheel.
Preferably, in described driver train, described driving rod member is a pair of, respectively with the coupling end pivot joint of two L-type cradling pieces, wherein, an end that drives rod member comprises two lugs of the certain interval that is spaced apart from each other, the coupling end of L-type cradling piece is inserted between two lugs, comprises pin-and-hole respect to one another on lug, also is provided with pin-and-hole on the L-type cradling piece, the first bearing pin passes these pin-and-holes, forms the pivot joint that drives rod member and L-type cradling piece.
Preferably, in described driver train, the coupling end of described L-type cradling piece is provided with the stop dog component that upwards bends certain angle, and when the driving rod member rotated to an angle with respect to the L-type cradling piece, stop dog component was supported the part place between two lugs.
Preferably, in described driver train, be provided with vehicle frame between two driving rod members, the bottom of vehicle frame is provided with through hole, the first bearing pin that passes lug and L-type cradling piece also passes the through hole of vehicle frame bottom, and pass the middle part of the first bearing pin termination of lug, L-type cradling piece and vehicle frame for threaded hollow structure is set, be screwed into this hollow structure by bolt.
Preferably, in described driver train, also comprise and drive the rod member retracing spring, it is made of two sections spring sections that are wound around one another in opposite directions, two sections spring sections are enclosed within on the first bearing pin, and lay respectively at the both sides of vehicle frame, wherein, one end of two spring sections strikes up partnership, an end that strikes up partnership is tightly placed on vehicle frame backward, the other end is fixed to respectively two ends that drive rod members, drives rod member and rotates up dispose procedure into retracing spring with respect to the L-type cradling piece, and be rotated down the thermal energy storage process into retracing spring.
Preferably, in described driver train, be provided with bearing in the pin-and-hole of lug, the first bearing pin passes from the interior ring of bearing, and is provided with the plastics spacer ring between the lug of driving rod member and support, and the first bearing pin also passes the plastics spacer ring.
Preferably, in described driver train, described accommodation box is the hollow structure of front opening, and gear is arranged in hollow structure, and stretches out from front opening with intermeshing with tooth bar.
Preferably, in described driver train, the both sides of accommodation box are provided with through hole, be provided with the accommodation box bearing in through hole, be provided with through hole in described gear, one end of the second bearing pin passes through hole and the interior ring of unilateral bearing in accommodation box bearing inner ring, gear, and the middle part of this end of the second bearing pin is for arranging threaded hollow structure, be screwed into this hollow structure by bolt, thus accommodation box bearing, gear, unilateral bearing are clamped interlock, and the accommodation box bearing is close on the interior ring of unilateral bearing.
Preferably, in described driver train, be provided with through hole on the L-type cradling piece that links together, the cradling piece bearing is arranged in through hole, and output shaft is inserted in the cradling piece bearing inner ring, realizes the pivot joint with the stent support end.
Preferably, in described driver train, the ratio of number of teeth of gear and tooth bar is 39: 20, or the effective tooth in tooth bar is that the number of teeth in 36 teeth and gear is 20 teeth.
The present invention also provides a kind of bicycle that utilizes above-mentioned driver train, wherein, comprising:
Driver train;
A pair of stretcher, it is separately fixed at each and drives on rod member, drives the rod member motion to drive by the foot application of force;
Described wheel is the rear wheel of bicycle, be provided with vehicle frame between two driving rod members, the front vehicle wheel of bicycle is arranged on the front end of vehicle frame, be connected on vehicle frame by front vehicle fork, the front vehicle fork upper end is provided with vertical beam, the vertical beam upper end is connected with the handlebar beam, and handlebar beam upper end is provided with handlebar, is connected with cant beam between the junction of vertical beam and handlebar beam and stent support end.The supporting construction that cant beam, support, vehicle frame and vertical beam form is highly stable.
Preferably, in described bicycle, also comprise:
Saddle construction, comprising:
Vehicle seat;
The telescopic girder of adjustable car seat height, its top connects vehicle seat, and the bottom is solidly connected to cant beam;
Support beam, the one end is solidly connected to the telescopic girder of adjustable car seat height, and the other end is solidly connected to the junction of vertical beam and handlebar beam.
Preferably, in described bicycle, be pivotally connected between stretcher and driving rod member, and be provided with wind spring between stretcher and driving rod member, when folding, stretcher upwards turns down and is turning over state in maintenance under the wind spring effect; Pivot joint between vehicle frame and vertical beam, cant beam is the double-rod structure that keeps at a certain distance away, when folding, vehicle frame is contracted in two gaps between the L-type cradling piece around the first bearing pin, pivoting point between vehicle frame and vertical beam is near rear wheel at this moment, again that vertical beam is folding forward thus, cant beam is buckled in the top of vertical beam, and front vehicle wheel passes the centre of double-rod structure in cant beam.
Preferably, in described bicycle, described handlebar beam is also the hollow double-rod structure, and when folding, front vehicle wheel also passes the hollow bulb of the hollow double-rod structure of handlebar beam, and handlebar is taken downwards above rear wheel from the middle rotation of two side direction again.
Preferably, in described bicycle, be provided with a dynamic formula disassembly mechanism between front vehicle fork and vertical beam, a dynamic formula disassembly mechanism comprises:
Lower connecting plate, it is connected to the top of front vehicle fork, and lower connecting plate has first end and the second end, and the second end of lower connecting plate is provided with the hook portion of a pair of lower bending;
Upper junction plate, it is connected to the bottom of vertical beam, and upper junction plate has first end and the second end, and the first end pivot joint of the first end of upper junction plate and lower connecting plate, the second end of upper junction plate is provided with a pair of projection, is provided with a circular hole and a strip hole that is positioned at the circular hole below on each projection;
The dismounting handle, it is for elongate in shape and be provided with pin-and-hole and lower pin-and-hole, dismounting is between described a pair of projection, the 3rd bearing pin passes the circular hole on upper junction plate and dismantles the upper pin-and-hole of handle, the 4th bearing pin passes the strip hole on upper junction plate and dismantles the lower pin-and-hole of handle, and the hook portion of lower connecting plate hooks on the 4th bearing pin;
Spring, one end are fixed on dismounting upper, and the other end is fixed on vertical beam, to apply the power away from vertical beam to the dismounting handle.
Preferably, in described bicycle, the lower connecting plate center is provided with through hole, and bolt is screwed in front vehicle fork by this through hole, so that lower connecting plate and front vehicle fork are linked together; The first end of lower connecting plate is provided with through hole, the first end of upper junction plate also is provided with through hole, the first end of upper junction plate is buckled in the outside of the first end of lower connecting plate, and bearing pin passes the through hole of lower connecting plate first end and upper junction plate first end, forms the pivot joint of upper junction plate and lower connecting plate.
Preferably, in described bicycle, the 4th bearing pin passes the two ends of upper junction plate by jump ring backstop, in order to avoid come off.
Preferably, in described bicycle, the structure between handlebar and handlebar beam is as follows:
the top of handlebar beam is provided with front fagging and the rear stay plate that is spaced from each other a distance, the two ends of front fagging and rear stay plate are provided with circular hole, the centre is provided with bolt hole, the coupling end of two L-type handlebars inserts and is fixed in the circular hole at two ends, and the coupling end of two L-type handlebars is provided with two through holes respect to one another, in interval between front fagging and rear stay plate, two cylinder bars are inserted in described two through holes, wherein also be provided with a folding grip, folding grip comprises handle, the upper end of handle is cam structure, with with the screw rod of cam structure pivot joint, screw rod passes stopper and is inserted in bolt hole, wherein stopper is between handle cam structure and rear stay plate, and has the projection upper limb.
Preferably, in described bicycle, also comprise wind spring, the two ends of wind spring are inserted into respectively the pre-position between the L-type handlebar of two cylinder bars, and the middle part docking between front fagging and rear stay plate of two cylinder bars, and there is gap in the bottom of joint, passes for screw rod.
Preferably, in described bicycle, screw rod passes bolt hole and is fixed by nut, and the screw rod middle part also is equipped with spring and positioning circle, the outer end of cylinder bar is provided with capping, the pre-position between the L-type handlebar of two cylinder bars has screwed screw, arranges porosely on screw, and the two ends of wind spring insert in the hole.
Preferably, in described bicycle, the bicycle main structure is made by carbon fiber material.
Driver train transmitting ratio of the present invention is high, if be used on bicycle, adopts the wheel in the wheel footpath of 20 cun, and its running speed and common 24 bicycles are similar.And its structure is highly stable, reliable, the life-span is long.If use the carbon fibre manufacturing, weight can be controlled at the 3kg left and right, and volume is controlled at 60X30X10mm, can be placed in a not too large knapsack, can move expediently along with the user.And each disengaging section of bicycle only needs a manual manipulation to get final product, and only needs an action just can open or close folding, very easy.
Description of drawings
Fig. 1 is the assembly drawing of an embodiment of driver train of the present invention;
Fig. 2 is the exploded drawings of an embodiment of driver train of the present invention;
Fig. 3 is the assembly drawing that utilizes the portable bicycle with pedal of driver train of the present invention;
Fig. 4 is the folding picture of portable bicycle with pedal of the present invention;
Fig. 5 is the front vehicle fork of portable bicycle with pedal of the present invention and the exploded drawings of vertical beam folded part;
Fig. 6 is the front vehicle fork of portable bicycle with pedal of the present invention and the use constitution diagram of vertical beam folded part;
Fig. 7 is the front vehicle fork of portable bicycle with pedal of the present invention and the folded state diagram of vertical beam folded part;
Fig. 8 is the handlebar beam of portable bicycle with pedal of the present invention and the exploded drawings of cant beam folded part;
Fig. 9 is the handlebar beam of portable bicycle with pedal of the present invention and the use constitution diagram of cant beam folded part;
Figure 10 is the handlebar beam of portable bicycle with pedal of the present invention and the folded state diagram of cant beam folded part.
The specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing, can implement according to this with reference to the specification sheets word to make those skilled in the art.
As depicted in figs. 1 and 2, Fig. 1 is the assembly drawing of an embodiment of driver train of the present invention; Fig. 2 is the exploded drawings of an embodiment of driver train of the present invention.
Driver train disclosed by the invention comprises: support 104, one end are coupling end, and the other end is support end, and described support end one side is provided with accommodation box 109; Support is used for support frame and rear wheel, and coupling end is connected with vehicle frame, and support end is used for supporting rear wheel.
Drive rod member 114, the described coupling end pivot joint of one end and support 104, its other end is provided with tooth bar 102; Driving rod member 114 is the members that are biased, if drive on rod member, stretcher has been installed, and tramples the driving rod member by stretcher, 102 motions of band carry-over bar.Drive rod member 114 1 ends and be connected with support 104, it is motionless that this end just keeps.There is the other end of tooth bar 102 to rotate around this end.The tooth bar up-and-down movement drives the gear 110c motion that is engaged with.
Gear 110c, it is articulated in described accommodation box 109 places, and intermeshing with described tooth bar 102.Accommodation box 109 is supporting mechanisms, is used for Support Gear 110c.Therefore accommodation box 109 can be the load-carrying element of arbitrary shape, preferably the housing of an opening.
The first wheel disc 110e, it is the hollow disk body, outward flange is provided with a circle pointed tooth;
Unilateral bearing 110d, it is embedded in the hollow space of the first wheel disc 110e, and the inwall of the outer ring of unilateral bearing 110d and the first wheel disc 110e hollow space is close together, and inner ring and gear 110c confine together.Drive the certain angle (chatting after the restriction method) of rod member 114 upward movements, move downward with support 104 and mutually conflict.Therefore several cushion rubbers can be installed on support 104, acutely touch avoiding.Like this, the motion of tooth bar 102 is for pumping, and making thus gear 110c is also cw and conter clockwise shake double-direction turning movement.For the first stably one-way movement of wheel disc 110e that allows gear 110c drive, namely to a direction rotation, need to install a unilateral bearing 110d.The outer ring of unilateral bearing 110d and the first wheel disc 110e interference fit, inner ring is together with gear 110c abuts against.Like this during gear 110c bidirectional rotation, the inner ring that can drive unilateral bearing 110d is shake double-direction turning movement also, but according to the character of unilateral bearing 110d, only rotate to a direction its outer ring.Driving thus the first wheel disc 110e also only rotates to a direction.
The second wheel disc 112, it is the hollow disk body, outward flange is provided with a circle pointed tooth; The hollow space of the second wheel disc is arranged with on output shaft 108d, and output shaft 108d is pivoted to the support end of described support 104; Output shaft 108d is the output of driver train.The gear 110c that moves through that drives rod member 114 passes to the first wheel disc 110e, and is converted to unidirectional rotation by crank motion.Pass to the second wheel disc 112 by ring chain 107 by the first wheel disc 110e again.The second wheel disc 112 drives output shaft 108d and rotates.
Wherein, ring chain 107 is set on the pointed tooth of the first wheel disc 110e and on the pointed tooth of the second wheel disc 112.
In described driver train, described driver train is used for wheels 105, on wheel 105, many spokes 106 can be arranged.And described support 104 comprises two L-type cradling pieces of the certain interval that is spaced apart from each other, and a side of two L-type bars links together, and forms the inverted U structure.A side that wherein links together is described support end, and a side that does not link together is described coupling end, and described wheel 105 is between two L-type cradling pieces, interval that be positioned at support end gap location, and described output shaft 108d is the center shaft of described wheel.Output shaft rotation will drive wheel turns.
In described driver train, described driving rod member 114 is a pair of, respectively with the coupling end pivot joint of two L-type cradling pieces, wherein, an end that drives rod member 114 comprises two lugs 116 of the certain interval that is spaced apart from each other, and lug 116 can be coated and fixed by wrap 111 and drive on rod member 114.The coupling end of L-type cradling piece is inserted between two lugs 116, comprises pin-and-hole 115 respect to one another on lug 116, also is provided with pin-and-hole 104a on the L-type cradling piece, and the first bearing pin 115d passes these pin-and-holes, forms the pivot joint that drives rod member 114 and L-type cradling piece.The first bearing pin 115d passes the L-type cradling piece, drives rod member 114 and vehicle frame 201, and these members all are through together, forms the pivot joint state.
In described driver train, the coupling end of described L-type cradling piece is provided with the stop dog component 117 that upwards bends certain angle, and when driving rod member 114 rotated to an angle with respect to the L-type cradling piece, stop dog component 117 was supported the part place between two lugs 116.So just limited the angle that drive member 114 rotates up, make drive member 114 this angle and and the inconsistent scope of support 104 between rotate.
In described driver train, be provided with vehicle frame 201 between two driving rod members 114, the bottom of vehicle frame is provided with through hole 201a, the the first bearing pin 115d that passes lug 116 and L-type cradling piece also passes the through hole 201a of vehicle frame 201 bottoms, and pass the middle part of the first bearing pin 115d termination of lug 116, L-type cradling piece and vehicle frame 201 for threaded hollow structure is set, be screwed into this hollow structure by bolt 115a.The end of the first bearing pin 115d is wider, and the other end has carried out overstriking by bolt 115a, can guarantee that like this first bearing pin 115a does not come off out from through hole.
In described driver train, also comprise and drive rod member retracing spring 118, it is made of two sections spring sections that are wound around one another in opposite directions, two sections spring sections are enclosed within on the first bearing pin 115d, and lay respectively at the both sides of vehicle frame 201, wherein, an end of two spring sections strikes up partnership, an end that strikes up partnership is tightly placed on vehicle frame 201 backward, and namely this end of striking up partnership of 201 pairs of two springs of vehicle frame is carried out tensioning function.The other end is fixed to respectively two ends that drive rod members 114, drives rod member 114 and rotates up dispose procedure into retracing spring 118 with respect to the L-type cradling piece, and be rotated down the thermal energy storage process into retracing spring.Driving rod member 114 is rotated down and need to applies larger power like this, belongs to reseting procedure and rotate up, and only need loosen the driving rod member and get final product.In the situation that drive installation foot pedal on rod member 114, user's rear heel is exerted oneself downwards, tramples driving rod member 114 and is rotated down motion, and then heel lift, drive rod member 114 and rotate up motion.
In described driver train, be provided with bearing 115b in the pin-and-hole 115 of lug 116, be beneficial to the rotation of the first bearing pin 115d.The first bearing pin 115d passes from the interior ring of bearing 116b, and is provided with plastics spacer ring 115c between the lug 116 of driving rod member 114 and support 104, and the first bearing pin 116d also passes plastics spacer ring 115c.Plastics spacer ring 115c can play the effect of buffering, also can regulate the position relationship between each parts.
In described driver train, described accommodation box 109 is the hollow structure of front opening 109A, and gear 110c is arranged in hollow structure, and stretches out from front opening 109A with intermeshing with tooth bar 102.Tooth bar 102 is fixed on an end of drive member 114 by rack frame 101, for example be fixed connection by two bolts 112.The connection that tooth bar 102 is connected with rack frame can be completed by three screws 103.Between two L-type cradling pieces, reinforced rib 113 can also be set.
in described driver train, the both sides of accommodation box 109 are provided with through hole 110, be provided with accommodation box bearing 110b in through hole 110, be provided with through hole in described gear, the end of the second bearing pin 110a passes ring in accommodation box bearing 110b, ring in through hole and unilateral bearing 110d in gear 110c, and the middle part of this end of the second bearing pin 110a is for arranging threaded hollow structure, be screwed into this hollow structure by bolt 110f, thus with accommodation box bearing 110b, gear 110c, unilateral bearing 110d clamps interlock, and accommodation box bearing 110b is close on the interior ring of unilateral bearing.For balance more and stable, wheel 115 both sides are symmetrical structure, at this, side are described.Bolt 110f and the second bearing pin 110a have clamped gear, unilateral bearing, make thus gear can pass motion to unilateral bearing.Unilateral bearing again with the first wheel disc 110e interference fit, therefore can drive the first wheel disc and rotate.
In described driver train, be provided with through hole 108 on the L-type cradling piece that links together, cradling piece bearing 108b is arranged in through hole 108, and cradling piece bearing 108c is arranged in the through hole 108 of opposite side.Output shaft 108d is inserted in cradling piece bearing 108b and 108c inner ring, realizes the pivot joint with the stent support end.The end of output shaft 108d is also screwed by bolt 108a.Cradling piece bearing 108b can be enclosed within the middle part of wheel 105, and the second wheel disc 112 is enclosed within the outside of cradling piece bearing 108b again, and the inner ring of output shaft 108d and cradling piece bearing 108b is flush fit or links together by alternate manner.
In described driver train, the ratio of number of teeth of gear and tooth bar is 39: 20, or the effective tooth in tooth bar is that the number of teeth in 36 teeth and gear is 20 teeth.Because to the edge of tooth bar the time, wheel and rack can not only have a tooth to contact when gear movement, like this can hurtful generation, so one or two tooth at tooth bar two ends play the effect that holds up gear, rather than the effect of engaged transmission.
The below please refer to Fig. 3 and Fig. 4.Fig. 3 is the assembly drawing that utilizes the portable bicycle with pedal of driver train of the present invention; Fig. 4 is the folding picture of portable bicycle with pedal of the present invention.
The present invention also provides a kind of bicycle that utilizes above-mentioned driver train, wherein, comprising:
Driver train;
A pair of stretcher 202, it is separately fixed at each and drives on rod member 114, drives rod member 114 motions to drive by the foot application of force;
Described wheel is the rear wheel 105 of bicycle, and mud retaining tile lid 209 is arranged on rear wheel.Be provided with vehicle frame 201 between two driving rod members, the front vehicle wheel 202 of bicycle is arranged on the front end of vehicle frame 201, be connected on vehicle frame 201 by front vehicle fork 203, front vehicle fork 203 upper ends are provided with vertical beam 205, vertical beam 205 upper ends are connected with handlebar beam 206, handlebar beam 206 upper ends are provided with handlebar 209, are connected with cant beam 208 between the junction of vertical beam 205 and handlebar beam 207 and stent support end.
In described bicycle, can also comprise: saddle construction, comprising: vehicle seat 211; The telescopic girder 212 of adjustable car seat height, its top connects vehicle seat 211, and the bottom is solidly connected to cant beam 208; Support beam 213, one end are solidly connected to the telescopic girder 212 of adjustable car seat height, and the other end is solidly connected to the junction of vertical beam 205 and handlebar beam 206.
This bicycle has utilized the space to fold substantially, and is specific as follows:
In described bicycle, be pivotally connected between stretcher 202 and driving rod member 114, and be provided with the wind spring (not shown) between stretcher 202 and driving rod member 114, when folding, stretcher upwards turns down and is turning over state in maintenance under the wind spring effect; Pivot joint between vehicle frame 201 and vertical beam 205, all right slight car chapelet 203 of pivot joint in vehicle frame 201 belows, when folding, car chapelet 205 is upwards folding.The double-rod structure of cant beam 208 for keeping at a certain distance away, when folding, vehicle frame is contracted in two gaps between the L-type cradling piece around the first bearing pin 115d, pivoting point between vehicle frame 201 and vertical beam 205 is near rear wheel 115 at this moment, again that vertical beam 205 is folding forward thus, cant beam 208 is buckled in the top of vertical beam 205, and front vehicle wheel 202 passes the centre of double-rod structure in cant beam 208.
In described bicycle, described handlebar beam 206 is also the hollow double-rod structure, and when folding, front vehicle wheel also passes the hollow bulb of the hollow double-rod structure of handlebar beam 206, and handlebar 207 rotation in the middle of two side direction, takes rear wheel 105 tops downwards again.The bicycle length and width that are folded to form thus are high can be controlled at 60mm, 30mm and 10mm.
Seeing also Fig. 5, Fig. 6 and Fig. 7. Fig. 5 is the front vehicle fork of portable bicycle with pedal of the present invention and the exploded drawings of vertical beam folded part; Fig. 6 is the front vehicle fork of portable bicycle with pedal of the present invention and the use constitution diagram of vertical beam folded part; Fig. 7 is the front vehicle fork of portable bicycle with pedal of the present invention and the folded state diagram of vertical beam folded part.
In described bicycle, all disengaging sections all can be a dynamic formula disassembly mechanism, namely only need an action just can complete dismounting and folding.Structure between car fork and vertical beam describes before this.
Be provided with a dynamic formula disassembly mechanism between front vehicle fork and vertical beam, a dynamic formula disassembly mechanism comprises:
Lower connecting plate 204a, it is connected to the top of front vehicle fork 203.Can sun fancy attaching parts be set at front vehicle fork 203 top inner chambers, then by bolt, lower connecting plate 204a be screwed in sun fancy attaching parts.Lower connecting plate 204a has first end and the second end, and the second end of lower connecting plate is provided with the hook portion 204d of a pair of lower bending;
Dismounting is 204, it is for elongate in shape and be provided with pin-and-hole and lower pin-and-hole, dismounting is between described a pair of projection, the 3rd bearing pin 204j passes the circular hole 204h on upper junction plate and dismantles the upper pin-and-hole of handle, the 4th bearing pin 204k passes the strip hole 204g on upper junction plate and dismantles the lower pin-and-hole of handle, and the hook portion 204d of lower connecting plate hooks on the 4th bearing pin;
Spring 204l, one end are fixed on dismounting on 204, and the other end is fixed on vertical beam 205, with to dismantling 204 power that apply away from vertical beam 205.Dismounting also has jut 204n usually to 204 top, purpose be by jut 204n near vertical beam 205, and dismantle 204 bottoms relatively away from vertical beam 205, between operates with hand.Namely user-friendly dismounting is 204 bottom.Bicycle is under the use state, and spring 204l outwards supports dismounting 204.Take the 3rd bearing pin 204j as rotating shaft, dismounting is tilted 204 top to the direction near vertical beam, and the bottom tilts to the direction away from vertical beam.Such the 4th bearing pin 204k is stuck in the hook portion 204d of lower connecting plate, and upper junction plate and lower connecting plate can not break away from.And will dismantle the time, the user overcomes spring force, to dismantle with hand 204 bottom will be removed to the vertical beam direction, the top jut 204n that dismantles like this 204 moves to the direction away from vertical beam, the 4th bearing pin 204k breaks away from the hook portion 204d of lower connecting plate, upper junction plate and lower connecting plate can around the pivot Unscrew of first end, be realized folding operation.
In described bicycle, the lower connecting plate center is provided with through hole 204c, and bolt 204e is screwed in front vehicle fork 203 by this through hole 204c, so that lower connecting plate 204a and front vehicle fork 203 are linked together; The first end of lower connecting plate 204a is provided with through hole, the first end of upper junction plate 204b also is provided with through hole, the first end of upper junction plate is buckled in the outside of the first end of lower connecting plate, bearing pin 204f passes the through hole of lower connecting plate first end and upper junction plate first end, forms the pivot joint of upper junction plate and lower connecting plate.
In described bicycle, the 3rd bearing pin 204j is by bolt 204i locking, and the 4th bearing pin 204k passes the two ends of upper junction plate by jump ring 204p backstop, in order to avoid come off.Not not the pivotable obstacle that causes the 4th bearing pin in order to prevent from locking at the 4th bearing pin 204k one end by the reason that bolt 204i locks.
Please refer to Fig. 8, Fig. 9 and Figure 10.Fig. 8 is the handlebar beam of portable bicycle with pedal of the present invention and the exploded drawings of cant beam folded part; Fig. 9 is the handlebar beam of portable bicycle with pedal of the present invention and the use constitution diagram of cant beam folded part; Figure 10 is the handlebar beam of portable bicycle with pedal of the present invention and the folded state diagram of cant beam folded part.
In described bicycle, the structure between handlebar 207 and handlebar beam 206 is as follows:
the top of handlebar beam 206 is provided with front fagging and the rear stay plate that is spaced from each other a distance, the two ends of front fagging and rear stay plate are provided with circular hole 207h, the centre is provided with bolt hole 207i, the coupling end of two L-type handlebars 209 inserts and is fixed in the circular hole 207h at two ends, and the coupling end of two L-type handlebars 209 is provided with two through hole 207f respect to one another, in interval between front fagging and rear stay plate, two cylinder bar 207b are inserted in described two through holes, wherein also be provided with a folding grip, folding grip comprises handle 208, the upper end of handle 208 is cam structure 208a, with with the screw rod 208b of cam structure 208a pivot joint, screw rod 208b passes stopper 207g and is inserted in bolt hole 207i, wherein stopper 207g is between handle cam structure 208a and rear stay plate, and has the projection upper limb.Under riding condition, handle 208 bends downwards, cam structure 208a pushes down the projection upper limb of stopper 207g, make like this rear stay plate be extruded near front fagging, gap between the two diminishes, cylinder bar 207b is pressed between front fagging and rear stay plate, and rotation upwards can not occur, and handlebar just can not rotate like this.And under folded state, handle 208 is upwards opened, cam structure 208a no longer oppresses stopper 207g, it is large that gap between rear stay plate and front fagging becomes, when two handlebars 209 of user's inward collapsible, cylinder bar 207b is upturned, and becomes vertical direction by horizontal direction, has realized gathering of handlebar 209.
In order further to avoid under riding condition handlebar 209 can not gather, in described bicycle, also comprise wind spring 207e.The two ends of wind spring are inserted into respectively the pre-position between L-type handlebar 209 of two cylinder bars, and this position is the side between two handlebars 209 of cylinder bar 207b and handlebar 209 intersections' deflections normally.And the middle part docking at two cylinder bars interval in the middle of front fagging and rear stay plate, and there is gap in the bottom of joint, and 208b passes for screw rod.That is to say, the docking termination of cylinder bar 207b can be the circle with step, and namely the circle of the first half is in the edge of cylinder bar, and the circular inwardly certain distance of indentation of the latter half, after the docking of such two terminations, reserve a space in the bottom, pass for screw rod 208b.When handlebar 209 was in expanded position, wind spring 207e compressing handlebar 209 further opened to both sides, and when handlebar 209 wanted to gather the position motion from expanded position, when the change point that surpasses wind spring 207e, wind spring 207e applied handlebar 209 again and gathers power.
In described bicycle, screw rod 208b passes bolt hole 207i and is fixed by nut 207n, and screw rod 208b middle part also is equipped with spring 207j and positioning circle, the outer end of cylinder bar 207b is provided with capping 207a, the pre-position between the L-type handlebar of two cylinder bars has screwed screw 207c, arrange porosely on screw, the two ends of wind spring 207e insert in the hole.Handlebar 209 is fixed on front fagging and rear stay plate by screw 207m and fixing bowl 207k.Spring 207j can make the upper sheathed member of screw rod 208b keep the tensioner state.Screw 207c is screwed on handlebar 209, and purpose is in order to establish the hole on screw 207c, to allow spring be inserted in set hole, and saves the tooling cost of directly holing on cylinder bar or projection being set.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in specification sheets and embodiment, it can be applied to various suitable the field of the invention fully, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend of describing.
Claims (13)
1. driver train wherein, comprising:
Support, one end are coupling end, and the other end is support end, and described support end one side is provided with accommodation box;
Drive rod member, one end and described coupling end pivot joint, its other end is provided with tooth bar;
Gear, it is articulated in described accommodation box place, and intermeshing with described tooth bar;
The first wheel disc, it is the hollow disk body, outward flange is provided with a circle pointed tooth;
Unilateral bearing, it is embedded in the hollow space of the first wheel disc, and the inwall of the outer ring of unilateral bearing and the first wheel disc hollow space is close together, and inner ring and gear are confined together;
The second wheel disc, it is the hollow disk body, outward flange is provided with a circle pointed tooth; The hollow space of the second wheel disc is arranged with on output shaft, and output shaft is pivoted to the support end of described support;
Wherein, ring chain is set on the pointed tooth of the first wheel disc and on the pointed tooth of the second wheel disc.
2. driver train as claimed in claim 1, wherein, described driver train is used for wheels, and described support comprises two L-type cradling pieces of the certain interval that is spaced apart from each other, and a side of two L-type bars links together, and a side that wherein links together is described support end, and a side that does not link together is described coupling end, described wheel is between two L-type cradling pieces, interval that be positioned at support end gap location, and described output shaft is the center shaft of described wheel.
3. driver train as claimed in claim 2, wherein, described driving rod member is a pair of, respectively with the coupling end pivot joint of two L-type cradling pieces, wherein, an end that drives rod member comprises two lugs of the certain interval that is spaced apart from each other, the coupling end of L-type cradling piece is inserted between two lugs, comprises pin-and-hole respect to one another on lug, also is provided with pin-and-hole on the L-type cradling piece, the first bearing pin passes these pin-and-holes, forms the pivot joint that drives rod member and L-type cradling piece.
4. driver train as claimed in claim 3, wherein, the coupling end of described L-type cradling piece is provided with the stop dog component that upwards bends certain angle, and when the driving rod member rotated to an angle with respect to the L-type cradling piece, stop dog component was supported the part place between two lugs.
5. driver train as claimed in claim 4, wherein, be provided with vehicle frame between two driving rod members, the bottom of vehicle frame is provided with through hole, the first bearing pin that passes lug and L-type cradling piece also passes the through hole of vehicle frame bottom, and pass the middle part of the first bearing pin termination of lug, L-type cradling piece and vehicle frame for threaded hollow structure is set, be screwed into this hollow structure by bolt.
6. driver train as claimed in claim 5, wherein, also comprise and drive the rod member retracing spring, it is made of two sections spring sections that are wound around one another in opposite directions, two sections spring sections are enclosed within on the first bearing pin, and lay respectively at the both sides of vehicle frame, wherein, one end of two spring sections strikes up partnership, an end that strikes up partnership is tightly placed on vehicle frame backward, the other end is fixed to respectively two ends that drive rod members, drives rod member and rotates up dispose procedure into retracing spring with respect to the L-type cradling piece, and be rotated down the thermal energy storage process into retracing spring.
7. driver train as claimed in claim 6, wherein, be provided with bearing in the pin-and-hole of lug, and the first bearing pin passes from the interior ring of bearing, and be provided with the plastics spacer ring between the lug of driving rod member and support, and the first bearing pin also passes the plastics spacer ring.
8. driver train as claimed in claim 5, wherein, described accommodation box is the hollow structure of front opening, gear is arranged in hollow structure, and stretches out from front opening with intermeshing with tooth bar.
9. driver train as claimed in claim 8, wherein, the both sides of accommodation box are provided with through hole, be provided with the accommodation box bearing in through hole, be provided with through hole in described gear, one end of the second bearing pin passes through hole and the interior ring of unilateral bearing in accommodation box bearing inner ring, gear, and the middle part of this end of the second bearing pin is for arranging threaded hollow structure, be screwed into this hollow structure by bolt, thus accommodation box bearing, gear, unilateral bearing are clamped interlock, and the accommodation box bearing is close on the interior ring of unilateral bearing.
10. driver train as claimed in claim 2, wherein, be provided with through hole on the L-type cradling piece that links together, and the cradling piece bearing is arranged in through hole, and output shaft is inserted in the cradling piece bearing inner ring, realizes the pivot joint with the stent support end.
11. driver train as claimed in claim 1, wherein, the ratio of number of teeth of gear and tooth bar is 39: 20, or the effective tooth in tooth bar is that the number of teeth in 36 teeth and gear is 20 teeth.
12. a bicycle that utilizes driver train as claimed in claim 3 wherein, comprising:
Driver train, as claimed in claim 3;
A pair of stretcher, it is separately fixed at each and drives on rod member, drives the rod member motion to drive by the foot application of force;
Described wheel is the rear wheel of bicycle, be provided with vehicle frame between two driving rod members, the front vehicle wheel of bicycle is arranged on the front end of vehicle frame, be connected on vehicle frame by front vehicle fork, the front vehicle fork upper end is provided with vertical beam, the vertical beam upper end is connected with the handlebar beam, and handlebar beam upper end is provided with handlebar, is connected with cant beam between the junction of vertical beam and handlebar beam and stent support end.
13. bicycle as claimed in claim 12 wherein, also comprises:
Saddle construction, comprising:
Vehicle seat;
The telescopic girder of adjustable car seat height, its top connects vehicle seat, and the bottom is solidly connected to cant beam;
Support beam, the one end is solidly connected to the telescopic girder of adjustable car seat height, and the other end is solidly connected to the junction of vertical beam and handlebar beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101054470A CN103158821A (en) | 2013-03-28 | 2013-03-28 | Driving mechanism and portable bike |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101054470A CN103158821A (en) | 2013-03-28 | 2013-03-28 | Driving mechanism and portable bike |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103158821A true CN103158821A (en) | 2013-06-19 |
Family
ID=48582450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101054470A Pending CN103158821A (en) | 2013-03-28 | 2013-03-28 | Driving mechanism and portable bike |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103158821A (en) |
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| US4087108A (en) * | 1976-09-28 | 1978-05-02 | General Motors Corporation | Cambering vehicle with trailing arms interconnected by spur gearing |
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| CN102320344A (en) * | 2011-07-04 | 2012-01-18 | 欧阳湘林 | Portable pedal-actuated bicycle |
| CN102753427A (en) * | 2010-09-01 | 2012-10-24 | 株式会社幸福生活 | Kickboard-type bicycle |
| CN202574538U (en) * | 2012-04-12 | 2012-12-05 | 东莞市欧标实业有限公司 | Pedal type driving device for scooter |
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- 2013-03-28 CN CN2013101054470A patent/CN103158821A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4087108A (en) * | 1976-09-28 | 1978-05-02 | General Motors Corporation | Cambering vehicle with trailing arms interconnected by spur gearing |
| CN102001404A (en) * | 2009-09-01 | 2011-04-06 | 宁波市镇海捷登应用技术研究所 | Bicycle |
| CN102085899A (en) * | 2009-12-07 | 2011-06-08 | 欧阳湘林 | Tricycle capable of tilting and provided with two rear driving wheels |
| CN201677996U (en) * | 2009-12-08 | 2010-12-22 | 张祺田 | Bicycle seat cushion jacking device |
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Application publication date: 20130619 |