CN201264683Y

CN201264683Y - Scooter

Info

Publication number: CN201264683Y
Application number: CNU2008201504566U
Authority: CN
Inventors: 庞明方
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-02
Filing date: 2008-07-02
Publication date: 2009-07-01
Anticipated expiration: 2018-07-02

Abstract

The utility model relates to a tread sliding vehicle which can run by tread in a standing way. The structure of the tread sliding vehicle is that one end of a body frame is connected with a legpower drive mechanism, wherein, the legpower drive mechanism adopts a double pedal lever structure as a power driving mechanism; the legpower drive mechanism is also connected with a driving wheel at the left end of the rear side of the body frame; thereby, the legpower drive mechanism drives the driving wheel at the left end of the rear side of the body frame to rotate by exerting legpower on the double pedal lever in the legpower drive mechanism, thus causing that the feet take exercises while providing running power for the whole body. As the two-stage acceleration structure is used, the service efficiency of the actuating structure of the body on the driving force conversion is improved, and the integral running speed of the body is increased.

Description

Scooter

Technical field:

The utility model relates to a kind of slide carriage car, relate in particular to a kind of stand to trample by both feet provide power to order about a kind of foot-operated scooter that car body travels.

Background technology:

Development and progress along with society, people's living standard is also in gradually improve, increasing people come to realise the importance of advocating the health environment-friendly life, pay attention to the exercise to self health, in order to satisfy people's having deep love for and demand for motion and amusement.

Before the someone invented out a kind of " Kickboard Scooter ", the keystone configuration of this Kickboard Scooter is to adopt the end at a long pedal to be connected with a steering wheel, steering wheel top also is connected with a barre, be connected with a flower wheel with the duration pedal other end, therefore in use need pin of user to be supported on the pedal, the another pin is pedaled ground backward suddenly, and relying on and pedaling masterpiece is propulsive force, orders about Kickboard Scooter and exercises.

This Kickboard Scooter is for very low of the conversion Occupation coefficient of human body propulsive effort, and it is also slower to exercise speed per hour simultaneously, and this type of Kickboard Scooter is higher for the dependence of road conditions in addition, is merely able to be used in more smooth road conditions.

Summary of the invention:

In sum, this creator thinks that in line with the theory that people-oriented needing a kind of technological means solves, and eliminates and improve the many disadvantages in the prior art, and a kind of scooter of designing.

Wherein the utility model technical matters that need solve provides a kind of scooter, reach with this that to make the user can better rely on double-legged pedal force be that scooter provides power resources, allow user's both feet obtain the motion of same movement amount simultaneously, make it to reach the purpose that at the uniform velocity to exercise, and improved the whole hill climbing ability of scooter, with running velocity, satisfied the adaption demand of varying environment and road conditions, can become a kind of running vehicle that is applicable to short-distance distance.

For a kind of scooter provided by the utility model, the method that reach its purpose be by, a kind of driving and transmission scheme of scooter are provided, it comprises: a vehicle body frame, a foot power driven device, the device that moves ahead, a barre,

Wherein be connected with a drive wheel respectively at these two ends, vehicle body frame rear side left and right sides by utilizing, one follower, afterwards by utilizing described barre to be connected the vehicle body frame front end, and be connected with a steering wheel in its bottom, keep the vehicle body whole machine balancing and move ahead effect thereby reach, and can reach the whole vehicle body of control when barre is applied turning effort exercises, determine the purpose of direction, utilize afterwards and on vehicle body frame, connecting described foot power driven mechanism, wherein this foot power driven device is to adopt two treadle structures as power drive mechanism, and this foot power driven device also is connected with the drive wheel of vehicle body frame rear side left end, thereby after applying legpower on the two treadles in the foot power driven device, just can rotate by its drive wheel that drives vehicle body frame rear side left end, thereby, reached the both feet purpose of motion simultaneously, owing to adopted the force transmission mechanism of improved for whole locomotive body provides enforcement power, thereby improved service efficiency, and promoted running velocity for the propulsive effort conversion.Below with reference to diagram and detailed description, the beneficial effect that is produced in order to allow the inspector understand the present invention more.

Description of drawings:

Fig. 1: being the structural representation of the utility model scooter, is to be used for expressing scooter concrete structure form.

Fig. 2: be the STRUCTURE DECOMPOSITION scheme drawing of the utility model scooter foot power driven device, the structure that is used for further expressing scooter among Fig. 1 connects situation.

Fig. 3: be the lateral plan of the utility model scooter, be used for further expressing the integral structure form of scooter among Fig. 1.

Fig. 4 a: be the formation principle of the utility model scooter foot power driven mechanism and the partial schematic diagram of running condition.

Fig. 4 b: be the formation principle of the utility model scooter foot power driven mechanism and the partial schematic diagram of running condition.

Fig. 5: be the utility model scooter prevent to turn on one's side the structural representation of barre.

The specific embodiment:

Hold within this creation of the graphic explanation of following nationality, characteristic embodiment has further understanding for audit crew to this case.

See also Fig. 1, Fig. 2, Fig. 3, Fig. 4 a, Fig. 4 b are the preferred embodiment of a kind of scooter of the present utility model,

At first see also Fig. 1, Fig. 2, Fig. 3 is comprising a vehicle body frame (1), a barre (2), a foot power driven device (3) and a device (4) that moves ahead.

It comprises described vehicle body frame (1): a bridge shape frame (11) its to be arcuation tubular, the one end is connected with front pipe (19), its other end is connected with the described bearing seat of a bearing seat (13) (13), be the perforation tubular body, be provided with two bearings in its body, its body appearance one side is connecting a body frame (12), described body frame (12) is near parallel first through hole (151) that is provided with in an end, second through hole (152), described first through hole (151) is and runs through described body frame (12) shape, its inside studs with two bearings, another terminal described second through hole (152) of described in addition body frame (12) locates also to connect a pipe spreader (16), described pipe spreader (16) is side stretching, extension to the left in a tubular form, and its inner port is perforation described body frame (12) shape, and two ends respectively stud with a bearing.The upper face that wherein is positioned at described vehicle body frame is coated with a case (5), and it is fixing by Screw and described vehicle body frame (1).

The described device that moves ahead (4) comprising: a drive wheel (41), and a follower (44), a steering wheel (42), an axle drive shaft (43), a consequent (45), a driven axle (431),

Described drive wheel (41), described follower (44), be the solid wheel of plastics wheel hub with described steering wheel (42), be provided with metal insert in the middle of the described drive wheel (41), described drive wheel (41) is to come and described axle drive shaft (43) bonded assembly that fixes by the metal insert in the middle of it, respectively stud with two bearings in the middle of described follower (44) and the described steering wheel (42) simultaneously

Described drive wheel (41) is fixed-link with described axle drive shaft (43) one ends, the bearing that described follower (44) utilizes the bearing be embedded in its center and described driven axle utilization to be embedded in its center is with an end of described driven axle (431) rotarys connection, afterwards by utilization be connected described axle drive shaft (43) on the described drive wheel be installed on the described body frame (12) pipe spreader (16) thus in can make rotatable described body frame (12) left side that is fixed on of described drive wheel (41), described consequent (45) is L-shaped, the one end is provided with first member (453), second member (451), described second member (451) is provided with a hole (452), wherein be connected the described hole (452) of described second member of described driven axle (431) by passing described consequent (45) on the described follower (44), and utilize nut to be fixed on described second member (451) one sides of described consequent (45), utilize described consequent (45) to be fixedly connected on described body frame (12) one ends afterwards, thereby make rotatable described body frame (12) right side that is fixed on of described follower (44), described steering wheel (42) is connected on the described barre (2)

Described barre (2) comprising: a handgrip portion (21), one folding part (22), one front fork (23) and a brake portion (24), described handgrip portion (21) is arranged on described barre (2) top and is used to control described barre (2) hand of rotation, described front fork (23) is arranged on described barre (2) bottom, described folding part (22) is arranged between described handgrip portion (21) and the described front fork (23), it makes described handgrip portion (21) and described front fork (23) are connected to form a described barre of integral body (2) by go up installation one folding hinge (221) in described folding part (22), can also play folding effect when it separates simultaneously, the rotatable described steering wheel (42) that connecting of described front fork (23), described brake portion (24) is connected on the described front fork (23), described brake portion (24) comprises: a brake facing (241), it utilizes lever principle that its top one fulcrum is rotatably connected on the described front fork (24), one fixed plate (242) is fixed near described brake facing (241) top, and its top is provided with an aperture, afterwards by being connected with a brake cable (243) at described brake facing (241) one ends, the aperture that described brake cable (243) one ends pass on the described fixed plate (242) is connected a brake on (244), be with an elastic element (245) on the described brake cable (243) between described brake facing (241) and the described fixed plate (242), thereby by utilize described brake (244) tractive is controlled described brake cable (243) thus drive the described brake facing in bottom (241) with described steering wheel (42) thus doing extrusion friction stops car body to move, and make (244) described brake facing do returning movement when unclamping in brake by described spring (245)

Afterwards by described barre, (2) be connected described front pipe, (19) on, and form rotatable connection, thereby be positioned at described body frame in conjunction with described being connected, (12) Zuo Ce described drive wheel, (41) with the described follower on right side, (44), just can be described vehicle body frame, (1) provides balance fulcrum, play the effect that moves ahead simultaneously, and by to described handgrip portion, just can drive described front fork when (21) applying rotational force, (23) go up the described steering wheel of bonded assembly, (42) together rotation, thereby can reach the purpose that the free operant whole locomotive body is exercised direction

Described foot power driven device (3) comprising: a foot power driven mechanism (31), one transmission speed increasing mechanism (32), described foot power driven mechanism (31) comprises two driver elements (310), wherein each driver element (310) comprising: a fix shaft (311), it is connected described bridge shape frame (11) both sides in the Construction integration mode

It is shaft-like one treadle (312), it is provided with a through hole (3121) by the end at described treadle (312), thereby make the described fix shaft (311) that is connected described bridge shape frame (11) both sides can insert in the described through hole (3121), each described treadle (312) is overlapped respectively receive described vehicle body frame (1) left and right sides and reach rotatable connection effect, simultaneously also do positioning of rotating for described treadle (312), another end of described each treadle (312) is connected with

One step (313), described step (313) utilizes bolted connection together with described treadle (312), is the rotatable shape that freely connects, and each vertical fixing of described each treadle (312) downside,

One connecting arm (314), described connecting arm (314) bottom utilize respectively that pin member is rotatable to be connected,

One pivot arm (315), described pivot arm (315) have first round end (3151) and second round end (3152), and described pivot arm (315) is to be made by highstrenghtpiston's material that a bearing is respectively inlayed at two ends, and its shape is 8 word shapes,

The described described pivot arm (315) that is positioned at vehicle body frame (1) left side has first round end (3151) and second round end (5152), be connected with in the hole of described second round end (3152), primary shaft unit (317b), described primary shaft unit (317b) comprising: first center connects part (3161), first sprocket wheel (3162), first axle head (3171), described first axle head (3171) one is fixed in the root of the edge gear teeth of described first sprocket wheel (3162).

One is connecting on the center, described first sprocket wheel (3162) one side, described first center connect its center of part (3161) be provided with connect that described first sprocket wheel (316) and described first center connect part (3161) always lead to interface (3162), wherein insert in the described bearing seat (13) from described bearing seat (13) left direction on the described vehicle body frame (1) by utilizing described first center to connect part (3161), thereby by bearing in the described bearing seat (13) and described first center connect part (3161) thus surface engagement makes described first sprocket wheel (316) and described first center connect part (3161) together reaches rotatable coupled condition

Be connected with on the endoporus of described second round end of one end (3152) of the described described pivot arm (315) that is positioned at vehicle body frame (1) right side,

One second axle unit (317a), it comprises one second axle head (3171 '), one second center connects a part (3172) and a crank portion (3173), described second axle head (3171 ') is connected on the side end of described crank portion (3173), simultaneously described second center connects part (3172) and is connected on the end on described crank portion (3173) opposite side and described second axle head (the 3171 ') opposite sense, wherein in described second round end of an end (3152) that inserts described pivot arm (315) by described second axle head (3171 '), form and rotatablely freely connect, stretch into described vehicle body frame (1) and go up in the described bearing seat (13) on right side by utilizing described second center to connect part (3172) afterwards, connecting described perforation communication port (3162) on the part (3161) with described first center fixes and links, thereby make described second axle unit (317a) and described primary shaft unit (317b) be fixed-link, and lay respectively at the left and right sides of the described bearing seat (13) on the described vehicle body frame (1) and be the rotatable shape that is connected with described bearing seat (13) simultaneously, wherein connect part (3161) one stomidiums and be non-circular mortise with described first center of described first sprocket wheel (316) one, end at described first sprocket wheel (316) is a circular port, and connecting part (3172), described second center is the tenon type body of non-cylinder, it can match with the mortise that described first center connects part (3161) one ends thus, there is a tapped bore at the center that described second center connects part (3172), the mortise that the tenon type body that connects part (3172) when described second center and described first center connect part (3161) one ends is mutually during tenon, from the circular hole of described first sprocket wheel (316) one ends, penetrate a bolt, the screwed hole of centre that connects part (3172) with described second center is fixing to twisting, make described first sprocket wheel (316) and described crank portion (3173) become two coaxial end faces, thereby make described first axle head (3171) that is fixed as one with described first sprocket wheel (316) and become two end points on the bent axle with described second axle head (3171 ') that described crank portion (3173) is fixed as one.

What deserves to be mentioned is because this described first axle head (3171), this special connection location relation with described first sprocket wheel (316), with this special connection location relation of described second axle head (3171 ') with crank portion (3173), can form a kind of driving function that is similar to described bent axle, described second round end of an end (3152) endoporus that inserts the described pivot arm (315) in described vehicle body frame (1) left side by described first axle head (3171) carries out rotatable connection afterwards, therefore when described primary shaft unit (317b) with after described second axle unit (317a) is connected, will produce a kind of differential phenomenon, thereby can form the phenomenon of alternating movement between each described treadle (312) that it is connected with described second axle unit (317a) and described primary shaft unit (317b), for described first sprocket wheel (316) provides rotary power, afterwards by on described first sprocket wheel (316) gear teeth, being connected with

One messenger chain (319), it ringwise, its top is provided with sprocket, wherein by described sprocket and described first sprocket wheel (316) thus on the gear teeth be meshing with each other can make that described foot power driven mechanism (31) provides propulsive effort conduct on the described transmission speed increasing mechanism (32)

Described transmission speed increasing mechanism (32) comprising: a gear (323), one tooth flywheel (322), one second sprocket wheel (321), described gear (323) is fixedly connected on an end of the described axle drive shaft (43) on the described drive wheel (41), described drive wheel is rotatable to be fixed on the described left side that is connected the pipe spreader (16) on the body frame (12) and can to prevent that it from deviating from from described body frame (12) left side thereby make, described gear (323) is the shape that is meshing with each other with described tooth flywheel (322)

Described tooth flywheel, (322), it is the forward band changes, reverse no load characteristics, be connected with a tooth flywheel shaft on the center, one side, (3221), wherein by described tooth flywheel shaft, (3221) from described vehicle body frame, (1) right side is inserted through and is located at described body frame, (12) described first through hole on, (151) Nei bearing bore, and pass captive joint from the opposite side bearing bore and described second sprocket wheel, (321), thereby can make described tooth flywheel, (322) with described second sprocket wheel, (321) coaxial connection and rotatablely be installed in described body frame, (12) on

The number of teeth on described second sprocket wheel (321) is less than described first sprocket wheel (316) and goes up the number of teeth; thereby it can improve than fast laser propagation effect when cooperatively interacting by the described messenger chain (319) and described second sprocket wheel (321) the top gear teeth; afterwards by rotation engagement between described tooth flywheel (322) and the described gear (323); thereby the propulsive effort that is provided when described foot power driven mechanism (31) is passed to described second sprocket wheel (321) when going up by described messenger chain (319) thus; can drive the described tooth flywheel of bonded assembly coaxial with it (322) by second sprocket wheel (321) rotates; thereby make described tooth flywheel (322) to mesh with described gear (323); because described gear (323) is coaxial the connection with drive wheel (41); and reach the speedup effect than engagement by tooth between described tooth flywheel (322) and the described gear (323); thereby height ratio speed is ordered about whole scooter and is moved ahead; what deserves to be mentioned is owing to adopt tooth flywheel (322) and described gear (323) engagement; therefore when described foot power driven mechanism (31) when stopping power transmission being provided; rely on inertia; the described drive wheel (41) of this moment still can be rotated further; and drive the described gear of coaxial bonded assembly (323) and continue rotation; yet utilize the self-characteristic of described tooth flywheel (322) herein; therefore its can with described gear (323) engagement of dallying; thereby eliminated the possibility of back transfer rotational force to described second sprocket wheel (321); the rotational force of having protected described foot power driven mechanism (31) not to be reversed transmission destroys; and also blocked the power that conducts on the described treadle (312); protected user's safety; described barre (2) is controlled described steering wheel (42) hand of rotation before relying on simultaneously; thereby control whole locomotive body moving direction is finished the whole functionating of trampling.

Described body frame (12) one ends locate also to be provided with a through slot (14) near described bearing seat (13), described through slot (14) is and runs through described body frame (12) shape, wherein by one the 3rd sprocket wheel (318) is provided, the one sideway swivel is connected with a bolt, it is fixed twisting by utilizing this bolt to insert in the described through slot (14) and by nut, thereby described the 3rd sprocket wheel (318) is rotatably connected on the described body frame (12), and by described the 3rd sprocket wheel (318) extruding and with by with herein described messenger chain (319) engagement, thereby tighten described messenger chain (319) and prevent that it from coming off, simultaneously also can move described the 3rd sprocket wheel (318), thereby reach the effect of regulating described messenger chain (319) elasticity in described through slot (14) end positions.And described first sprocket wheel (316), second sprocket wheel (321) and the 3rd sprocket wheel (318) are the sprocket wheel of 3 fens gear teeth, with the described messenger chain of its ingear (319) be 3 fens driving chains,

See also Fig. 4 a, Fig. 4 b, in the described scooter foot power driven device (31), when described right side treadle (311) perk, the center of described connecting arm this moment (314) and described pivot arm (315) junction and described pivot arm (315) and described first axle head (3171) center, junction, the center of described bearing seat (13), above-mentioned three point midways are on straight line " L ", and the center position of the described fix shaft (311) that described treadle (311) one ends are connecting and the angle best angle " α " between described pivot arm (315) and the formed straight line in described first axle head (3171) center, junction " L1 " and " L " are 90 to 105, the fit structure that angle produced can be good at providing the transmission efficiency to legpower thus, simultaneously also meet human body the best and trample comfortable angle

Step at the end when described right side treadle (311) in addition, during left side treadle (311) perk, this moment described connecting arm (314) and described pivot arm (315) junction the formed straight line in center " L2 " of center and described pivot arm (315) and described first axle head (3171) junction and " L " between formed angle " β " must be greater than " 90 spend " less than " 150 spend ", the connection form of Xing Chenging can make described first sprocket wheel (316) be single direction to rotate therefrom.

Described first sprocket wheel (316), described tooth flywheel (322) is to adopt plastics with the manufacturing materials of described the 3rd sprocket wheel (318), nylon plastic(s), thereby this type of high-strength light of resin material is made the certain working strength demand of maintenance when can reduce the scooter overall weight, and reduced manufacturing cost, while described second sprocket wheel (321), described gear (323) adopts iron because its size is less in order to improve its material of wear resisting property and life-span, aluminium, steel, corrosion-resistant steel, alloy material is made, work as described first sprocket wheel (316) thus, described tooth flywheel (322), described the 3rd sprocket wheel (318) and described messenger chain (319), produce when cooperating between the described gear (323), because different therefore the generation when cooperating of manufacturing materials can be reduced the generation of noise greatly, thereby reaches certain environmental protection noiselessness pollution effects, make the use that the user can be more comfortable.

See also Fig. 5; another preferred embodiment for a kind of scooter of the present utility model; the described front fork (23 ') of described barre (2) bottom is that bending is forked backward; the center position point " p4 " of described steering wheel of while (42) and described front fork (23 ') junction; after must the whole axial line of more described barre (2) " L3 " position leaning on; therefore when turning about scooter; because described front fork (23 ') is crooked backward; described steering wheel leans on after (42); position when therefore turning about described steering wheel this moment (42) can be close towards turn direction phase negative side; thereby make the center of gravity when car body is turned be partial to turn direction; the centnifugal force of institute's shape is but towards the opposite place of turn direction when turning simultaneously; thereby the center of gravity deflecting force that is produced when centnifugal force that produces when making turning by this principle and turning reaches balance; thereby actv. has prevented the phenomenon of turning on one's side when scooter is turned and has produced; thereby eliminated when turning the potential safety hazard that can cause; protect user's safety greatly, avoided the generation of accident.

Claims

1. scooter, it comprises: a vehicle body frame, a barre, a foot power driven device and a device that moves ahead is characterized in that:

Described vehicle body frame comprises: front pipe, one bridge shape frame, one body frame and a bearing seat, described bridge shape frame one end captive joint described front pipe, its other end is connecting described bearing seat, be provided with bearing in the described bearing seat body, its appearance one side one is connecting a body frame, and described body frame one end is provided with first through hole and second through hole, described first through hole and second through hole are and run through described body frame shape, described body frame is connected with a pipe spreader near terminal described through hole place, described pipe spreader stretches out to the left, the inner port of described pipe spreader is and connects described body frame shape, wherein is connected described front pipe on the described bridge shape frame one end described barre that is being rotatably connected

Described barre comprises: it is positioned at described barre top a handgrip portion, and it is positioned at described barre bottom a front fork, is connected with a described device that moves ahead on described front fork and the described body frame,

The described device that moves ahead comprises: a drive wheel, and a follower, a steering wheel, an axle drive shaft, a consequent, with a driven axle, described drive wheel and described axle drive shaft one end are fixed-link; Described follower utilizes bearing to rotary connection with an end of described driven axle, afterwards by described axle drive shaft fixing on the described drive wheel, insert in the described pipe spreader on the described body frame and and pass from opposite side, thereby be located at described body frame left side, described consequent one end is provided with first member and second member, described second member is provided with a hole, wherein be connected described driven axle on the described follower and pass described hole on described second member of described consequent, and utilize connecting element to be fixed on the outside of described consequent, utilize described consequent to be fixedly connected on described body frame one end afterwards, thereby make the rotatable described body frame right side that is fixed on of described follower, described steering wheel is rotatably connected on the described front fork of described barre simultaneously, also connecting described foot power driven device on the described vehicle body frame

Described foot power driven device comprises: a foot power driven mechanism, and a transmission speed increasing mechanism, described foot power driven mechanism comprises two driver elements, wherein each driver element comprises:

One fix shaft, it is connected described bridge shape frame both sides in the Construction integration mode,

One treadle, described treadle one terminal rotary connection has a step, and its downside one respectively is connected with a connecting arm, utilizes the pin member rotary connection a pivot arm on the described connecting arm, and described pivot arm two ends respectively are provided with a bearing,

Be connected with one second axle unit on the described bearing hole of one end of the described described pivot arm that is positioned at the vehicle body frame right side,

Described second axle unit comprises: one second center connects part, one second axle head and a crank portion, described second center connects on the side end that part is connected described crank portion, simultaneously described second axle head is connected described crank portion opposite side and described second center and connects on the end on the part opposite sense, described second axle head forms rotary connection by inserting in the described bearing hole of described pivot arm one end, thereby described second axle unit is connected on the described pivot arm

Be connected with the primary shaft unit on the described bearing hole of one end of the described described connecting arm that is positioned at vehicle body frame left side, described primary shaft unit comprises:

One first sprocket wheel, one is connecting on the center, described first sprocket wheel, one side,

One first center connects part, its center is provided with one and connects the perforation communication port that described first sprocket wheel and described first center connect part, wherein insert in the described bearing seat from described body frame left side by utilizing described first center to connect part, thereby make described first sprocket wheel and described first center connect part together to reach and rotary connection state with described bearing seat thereby connect the part surface engagement by bearing bore in the described bearing seat and described first center, connect part with described second center on described second axle unit afterwards, stretch in the described bearing seat from described body frame right side, the perforation communication port that connects part with described first center of described primary shaft unit fixes and links, thereby make described primary shaft unit and described second axle unit be fixed-link, and lay respectively at the both sides of the described bearing seat on the described vehicle body frame, and coaxial and described bearing seat is the rotatable shape that is connected, also be connected with on the described afterwards first sprocket wheel another side

One first axle head, described first axle head is fixedly connected on the described first sprocket wheel non-central location, simultaneously near gear teeth tooth root place on described first sprocket wheel, therefore the described bearing bore that inserts on the described pivot arm with described first axle head connects, thereby described pivot arm is connected on the described primary shaft unit, afterwards by on described first sprocket teeth, being connected with a joggle

One messenger chain, it is closed ring, thereby its by with described first sprocket wheel on the gear teeth be meshing with each other can make that described foot power driven mechanism provides propulsive effort conduct on the described transmission speed increasing mechanism,

Described transmission speed increasing mechanism comprises: a tooth flywheel, one gear and one second sprocket wheel, described tooth flywheel has one-way tape to be changeed, reverse no load characteristics, center, one side is provided with a tooth flywheel shaft, and described tooth flywheel shaft is rotatably connected on the described body frame in described first through hole of rear side, and described tooth flywheel shaft one end captive joint described second sprocket wheel, pass by utilizing described axle drive shaft fixing on the described drive wheel to insert in the described pipe spreader and simultaneously from opposite side, and captive joint described gear on this axle drive shaft traversing through end, described drive wheel is rotatable to be fixed on described body frame left side thereby make, and described gear and described tooth flywheel are meshing with each other.

2. scooter according to claim 1, the positioning relation in the wherein said foot power driven mechanism between its each element is characterized in that:

Wherein in the described foot power driven device of scooter, step on when the most beneath when described vehicle body frame left side treadle, this moment described connecting arm and described pivot arm center and described pivot arm and the described first axle head junction center position, the center of described bearing seat, above-mentioned three point midways are on straight line " L ", and center position and the angle best angle " α " between described pivot arm and the described first formed straight line of axle head junction center position " L1 " and " L " that described treadle one end is connecting described fix shaft are that 90 degree are to 105 degree

Step at the end when described vehicle body frame right side treadle simultaneously, the left side the treadle perk time, this moment described pivot arm and described connecting arm junction the formed straight line in center " L2 " of center and described pivot arm and the described first axle head junction and " L " between formed angle " β " greater than " 90 spend " less than " 150 spend ", the connection form of Xing Chenging can make described first sprocket wheel be single direction to rotate therefrom.

3. scooter according to claim 1, also comprise on the wherein said vehicle body frame: one the 3rd sprocket wheel, body frame one end also is provided with a through slot near described bearing seat place, it is characterized in that: described through slot is and runs through described body frame shape, described the 3rd sprocket wheel, a bolt and a nut by the little axle of an end band are fixedly connected in the described through slot twisting, the 3rd sprocket wheel is rotatable to be socketed on the little axle of this bolt, thereby described the 3rd sprocket wheel is rotatably connected on the described body frame, and by the extruding of described the 3rd sprocket wheel and with by with herein messenger chain engagement.

4. scooter according to claim 1, the described front fork of wherein said barre bottom is characterized in that:

It is bending wherein said front fork, and the center position point " p4 " of described steering wheel of while and front fork junction is after must leaning on than barre shaft center line " L3 " position.

5. scooter according to claim 1, it is characterized in that: described first sprocket wheel, described tooth flywheel is to adopt high strength plastic materials to make with the manufacturing materials of described the 3rd sprocket wheel, described second sprocket wheel of while, described gear, its material adopt metallic material to make, and comply with first sprocket wheel of the above simultaneously, described tooth flywheel, described the 3rd sprocket wheel and described messenger chain, described gear adopts metal and plastic material ingear form.

6. scooter according to claim 1, wherein said barre also comprises: a folding part is characterized in that:

Wherein said folding part is arranged between described handgrip portion and the described front fork, and it is done and separate and be connected motion by being connected a folding device on the described folding part, thereby makes described handgrip portion and front fork be separated or be connected to form a described barre of single-piece.

7. scooter according to claim 1, also comprise on the wherein said barre: a brake portion, described brake portion is connected on the described front fork, and described brake portion also comprises: a brake facing, it utilizes lever principle to make its top one fulcrum pass through the pin member rotary connection on described front fork

It is fixed on one fixed plate near on the described front fork above the described brake facing, and its top is provided with an aperture, afterwards by being fixedly connected with a brake cable at described brake facing one end, the aperture that described brake cable one end passes on the described fixed plate is connected a brake last, described brake is in the described handgrip portion that is installed on the described barre, be with an elastic element on the described brake cable between described brake facing and the described fixed plate, thereby by utilizing described brake pullling the described brake cable of control, thereby drive described brake facing in bottom and described steering wheel and do extrusion friction, and when brake lever is unclamped, make described brake facing do returning movement by described elastic element.

8. scooter according to claim 1, it is characterized in that: described transmission speed increasing mechanism is by a messenger chain, one first sprocket wheel, one second sprocket wheel, one tooth flywheel, a gear constitutes, and the gear teeth of described first sprocket wheel are several times as much as described second sprocket wheel, engagement transmission by messenger chain, formed the one-level speedup, described tooth flywheel and described second sprocket coaxiality, the described tooth flywheel number of teeth is several times as much as described gear, described tooth flywheel and described gear mesh, form the secondary speedup, described gear is fixed on an end of described axle drive shaft, other end captive joint one drive wheel of described axle drive shaft, formed the coaxial of drive wheel and described gear, same rotating speed.

9. scooter according to claim 1, it is characterized in that: wherein connect part one stomidium and be non-circular mortise with described first center of the described first sprocket wheel one, end at described first sprocket wheel is a circular port, and described second center connects the tenon type body that part is a non-cylinder, it can match with the mortise that described first center connects an end of part thus, there is a tapped bore at the center that described second center connects part, when described second center connects mortise that tenon type body and described second center on the part connect part one end mutually during tenon, from the circular hole of described first sprocket wheel, one end, penetrate a bolt, the screwed hole of centre that connects part with described second center is fixing to twisting, make described first sprocket wheel and described crank portion become two coaxial end faces, thereby make described first axle head that is fixed as one with described first sprocket wheel and become two end points on the bent axle with described second axle head that described crank portion is fixed as one.

10. scooter according to claim 1 is characterized in that: described pivot arm is to be made by highstrenghtpiston's material that a bearing is respectively inlayed at two ends, and its shape is 8 word shapes.

11. scooter according to claim 1, it is characterized in that: described drive wheel, follower, steering wheel is the solid wheel of plastics wheel hub, be provided with metal insert in the middle of the described drive wheel, described drive wheel is to come and the described major axis bonded assembly that fixes by the metal insert in the middle of it, respectively studs with two bearings in the middle of described follower and the described steering wheel simultaneously.

12. scooter according to claim 1, it is characterized in that: described follower is positioned at the right side of vehicle body frame, two sides at described follower center respectively stud with a bearing, one end of described driven axle penetrates the two bearings endoporus at described follower center, the other end of described driven axle has thread, penetrates the above consequent of described vehicle body frame and fixes with nut screwing clamping.

13. scooter according to claim 1, it is characterized in that: the channel that described consequent is L-shaped, comprise first member and second member, described second member is provided with a hole, described hole is used to install the described driven axle that connects described follower, its middle part fixes with the end of described the above body frame of vehicle body frame and is connected, and its left end is fixed-link with the left end of the described pipe spreader that described drive wheel is installed.

14. scooter according to claim 1 is characterized in that: described first sprocket wheel, second sprocket wheel and the 3rd sprocket wheel are the sprocket wheel of 3 fens gear teeth, with the described messenger chain of its ingear be 3 fens driving chains.

15. scooter according to claim 1 is characterized in that: the upper face that is positioned at the lower position of described two treadles and is positioned at described vehicle body frame is coated with a case, and it is fixed by Screw and described vehicle body frame.