CN201665278U - Mini type folding scooter - Google Patents
Mini type folding scooter Download PDFInfo
- Publication number
- CN201665278U CN201665278U CN2010201484930U CN201020148493U CN201665278U CN 201665278 U CN201665278 U CN 201665278U CN 2010201484930 U CN2010201484930 U CN 2010201484930U CN 201020148493 U CN201020148493 U CN 201020148493U CN 201665278 U CN201665278 U CN 201665278U
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- rotating shaft
- arm
- shaft
- handlebar
- mini
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Abstract
The utility model relates to a mini type folding scooter, which comprises a front fork arm with a front wheel, a rear fork arm with a rear wheel, a seat cushion stem with a seat cushion, a wigwag arm with handle bars, and a treadle drive mechanism, and is characterized in that upper end parts of the front fork arm and the rear fork arm are located on both ends of a cross bar through pin shafts; the seat cushion stem penetrates through a nip in the middle of the cross bar, and a pedal spindle is located at the lower end part thereof, one end of each of a front connecting rod and a rear connecting rod is located on the pedal spindle coaxially, the other end of the front connecting rod is located on the pin shaft of the front fork arm, a frame adopts a herringbone structure, the supporting and riding are more stable, the integral impact resistance is strong, the design of folding points is scientific, the treadle drive mechanism employs second-level transmission shifting, and the riding speed is fast; and the design of handle bar angles accords with human engineering even more and the novel vehicle shape can be designed favorably by combining the design of the transmission type wigwag arm. The utility model has the advantages of unique concept, reasonable structure and ingenious design.
Description
Technical field:
The utility model belongs to field of vehicles, particularly a kind of mini-folding scooter of hand-held design energy fast folding.
Background technology:
The kind of existing folding bicycle is a lot, for the city trip offers convenience.Up to a hundred the patents about folding bicycle are disclosed in patent gazette at present, most of mentality of designing is that the front and back wheel with bicycle overlaps scheme, this scheme gesture changes the structure of car beam, also be that a detouchable folding point need be established in car beam middle part, thereby reduced the rigidity of car beam, less stable.Existing folding bicycle, include front cross-arm that is positioned at car beam front portion and the rear wheel frame that is positioned at the rear portion, the front fork that is positioned with front-wheel is connected with the handlebar vertical rod, handlebar vertical rod upper end is fixed with folding handlebar, the trailing wheel that is positioned on the rear wheel frame becomes to be in transmission connection with footstep mechanism on being positioned at the car beam, is fixed with the seat cushion bar of the pad of usheing to seat on the collapsible car beam.How to design a kind of vehicle frame good integrity, and be easy to the bicycle of riding instead of walk of fast folding, promptly become the utility model research object.
Summary of the invention:
The purpose of this utility model is that a kind of forward and backward yoke of design becomes " people " font structure with the seat cushion bar, and can close up folding mini-folding scooter.
Technical solutions of the utility model are achieved in that a kind of mini-folding scooter, comprise front cross-arm, the back yoke that has trailing wheel, the seat cushion bar that has seat cushion that has front-wheel, yaw arm and the pedal transmission mechanism that has handlebar, the upper end that it is characterized in that front cross-arm and back yoke is positioned at by bearing pin on the two ends of a cross bar, is provided with a folder mouth that links closely with lock in the middle of the cross bar; The seat cushion bar passes the folder mouth in the middle of the cross bar, and its bottom is positioned with pedal spindle, and positioned coaxial has an end of front and rear connecting rods on this pedal spindle, and the other end of front rod is positioned on the front cross-arm bearing pin, and the other end of rear linking rod is positioned in the yoke rotating shaft of back; Yaw arm bottom and front cross-arm upper end are hinged, and are provided with a tight locking button; Pedal transmission mechanism comprises that two ends have the pedal spindle of pedal cranks, are fixed on first sprocket wheel on the pedal spindle, are fixed on second sprocket wheel and the 3rd sprocket wheel in the yoke rotating shaft of back, are fixed on the 4th sprocket wheel on the hind axle, and two driving chains between first sprocket wheel and second sprocket wheel, between the 3rd sprocket wheel and the 4th sprocket wheel.Form two stage speed change by two driving chains, and also can not change drive connection after folding; When folding, open the tight locking button of cross bar clamp mouth part and yaw arm and front cross-arm, handlebar and yaw arm can close up toward rear vehicle, the seat cushion bar descends and forward and backward yoke is closed up, and significantly reduces the volume of car load.
Described seat cushion bar is two section telescopic bars, is provided with a tight locking button at interface.Further dwindle the height of seat cushion bar.
Described front cross-arm centre bearer is positioned with preceding fork shaft, and preceding fork shaft lower end is fixed with the front fork of band front-wheel; Handlebar is positioned at yaw arm upper end by the handlebar rotating shaft; Handlebar rotating shaft and front fork between centers are provided with transmission device, and both are in transmission connection in formation.Adopt transmission device transition handlebar turn-around design, make the yaw arm more meet ergonomic designs.Wherein transmission device can adopt following five kinds of structures:
One: the transmission device that described handlebar rotating shaft and front fork between centers are provided with, comprise the gear that is fixed on handlebar rotating shaft and the preceding fork shaft, with the tooth bar and the band sleeve pipe steel wire of gear mesh; Be engaged with two tooth bars that are parallel to each other on the gear of handlebar rotating shaft and preceding fork shaft respectively, a pair of tooth bar that is in handlebar rotating shaft and preceding fork shaft homonymy is connected by steel wire; Two parallel tooth bars are installed on the tooth bar seat, and the steel wire sleeve pipe is conflicted on the tooth bar seat.
Its two: the transmission device that described handlebar rotating shaft and front fork between centers are provided with, include a transition rotating shaft at least, this transition rotating shaft is positioned in the yaw arm, its two ends are respectively equipped with cone gear, respectively with the cone gear engagement that is fixed on handlebar rotating shaft and the preceding fork shaft.
Described transition rotating shaft is the structure of selecting of a d-axis or multistage axle, and the shaft contact place of multistage axle is provided with universal-joint.
Described transition rotating shaft is provided with a power-transfer clutch, the shaft part that this power-transfer clutch comprises the cone gear that is positioned in the front cross-arm, be connected with cone gear, and transition rotating shaft rectangle end; In front cross-arm, the shaft part surface is milled with two positioned parallel faces to the described shaft part that is connected with cone gear, the end offers a notch that can allow transition rotating shaft rectangle end cut by bearing fixing; The front cross-arm internal fixation has the elasticity axle clamp that can clamp the shaft part locating surface.
Its three: the transmission device that described handlebar rotating shaft and front fork between centers are provided with is a flexible axle, and this flexible axle one end and handlebar rotating shaft are coupling, and the other end and preceding fork shaft are coupling.
Its four: the transmission device that described handlebar rotating shaft and front fork between centers are provided with when the yaw arm is straight section is a tape handler, comprises the belt wheel, the driving band that are fixed on handlebar rotating shaft and the preceding fork shaft.
Its five: the transmission device that described handlebar rotating shaft and front fork between centers are provided with when the yaw arm is straight section is a chain drive, comprises the sprocket wheel, the chain that are fixed on handlebar rotating shaft and the preceding fork shaft.
Fork shaft becomes axial dynamic fit before described with cone gear, be arranged with a retracing spring on the preceding fork shaft, conflict respectively in the location division of cone gear bottom and preceding fork shaft in these retracing spring two ends, cone gear is remained and transition rotating shaft cone gear engagement trend, fork shaft shock-absorbing stroke before providing.
Fork shaft makes front-wheel have incabloc function for axially having the shock-absorbing axle of stretching structure before described.
The utlity model has design unique, rational in infrastructure, design characteristics cleverly, folded bicycle is put up " people " font structure, supports to ride more stablely, whole anti-impact force is strong, folding point design science, combination secondary transmission gear shift, riding speed is fast; In conjunction with the design of driving type yaw arm, can make the handlebar angle design more meet ergonomics, also help designing novel vehicle modeling.
Description of drawings:
Below in conjunction with concrete legend the utility model is described further:
Fig. 1 folding scooter structural representation
Fig. 2 Figure 1A is to partial schematic diagram
Fig. 3 Figure 1B-B is to generalized section
Fig. 4 folding scooter folded state scheme drawing
Fig. 5 folding scooter yaw concerns scheme drawing
Fig. 6 Fig. 5 C-C is to profile
Shaft part and elasticity axle clamp concern schematic perspective view among Fig. 7 Fig. 5
Fig. 8 yaw arm and front cross-arm concern scheme drawing
Fig. 9 Fig. 8 D-D is to profile
Figure 10 Fig. 8 E-E is to profile
Wherein
1-cross bar 11-folder mouthful 2-seat cushion bar 21-front rod
22-rear linking rod 23-seat cushion 3-front cross-arm 31-jointed shaft
Fork shaft 33-front fork 34-front-wheel 35-elasticity axle clamp before the 32-
Yoke rotating shaft 42-trailing wheel behind the yoke 41-behind the 36-retracing spring 4-
5-yaw arm 51-handlebar 52-handlebar rotating shaft 53-transition rotating shaft
54-rectangle end 55-location hook folder 56-universal-joint 6-pedal transmission mechanism
The 61-pedal spindle 62-first sprocket wheel 63-second sprocket wheel 64-the 3rd sprocket wheel
65-the 4th sprocket wheel 66-chain 67-crank 7-tight locking button
8-cone gear 81-shaft part 82-locating surface 83-notch
80-gear 801-tooth bar 802-steel wire 803-tooth bar seat
The 9-bearing
The specific embodiment:
Embodiment one:
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, mini-folding scooter includes cross bar 1, seat cushion bar 2, front cross-arm 3, back yoke 4, yaw arm 5 and pedal transmission mechanism 6, is fixed with seat cushion 23 on the seat cushion bar 2, front cross-arm 3 bottoms are positioned with front-wheel 34, and back yoke 4 bottoms are positioned with trailing wheel 42.The upper end of front cross-arm 3 and back yoke 4 is positioned at by bearing pin on the two ends of a cross bar 1, is provided with a folder mouth 11 of 7 of linking closely with lock in the middle of the cross bar 1; Seat cushion bar 2 passes the folder mouth 11 in the middle of the cross bar, its bottom is positioned with pedal spindle 61, positioned coaxial has an end of front and rear connecting rods 21,22 on this pedal spindle 61, the other end of front rod 21 is positioned on front cross-arm 3 bearing pins, can swing around the front cross-arm bearing pin, the other end of rear linking rod 22 is positioned in the back yoke rotating shaft 41, makes that rear linking rod 22 also can be around back yoke rotating shaft 41 swings; Seat cushion bar 2 is two section telescopic bars, is provided with a tight locking button 7 at interface, unclamps tight locking button 7, two section telescopic bars and gets final product mutual intussusception and shorten height.Unclamp the tight locking button 7 at cross bar folder mouthful 11 places, seat cushion bar 2 lifting activity freely when descending, can drive front and rear connecting rods 21,22 toward lower swing, drives in the forward and backward yoke 3,4 and receives, and forms and closes up folding, as Fig. 4, reaches folding purpose.
As Fig. 2, yaw arm 5 bottoms and front cross-arm 3 upper ends are hinged, and it is hinged by a jointed shaft 31, and is provided with a tight locking button 7, unclamps tight locking button 7, and yaw arm 5 can reduce the volume and the height of yaw part around jointed shaft 31 spot wobbles to closing up with front cross-arm 3.
With reference to Fig. 1 and Fig. 3, pedal transmission mechanism 6 comprises pedal spindle 61, be fixed on first sprocket wheel 62 on the pedal spindle 61, be fixed on second sprocket wheel 63 and the 3rd sprocket wheel 64 in the back yoke rotating shaft 41, be fixed on the 4th sprocket wheel 65 on the hind axle, and two driving chains 66 of 65 on first sprocket wheel 62 and 63 on second sprocket wheel, the 3rd sprocket wheel 64 and the 4th sprocket wheel.Pedal spindle 61 two ends are fixed with the crank 67 of band stretcher, and the foot-operated speed change that drives two-stage chain 66 improves the speed of riding, in addition, the design of two stage speed change is in the time of making the back yoke folding again, keep the transmission rigidity relation constant, avoid the chain situation, this also is this structure clever thought part.
From said structure, folding scooter can satisfy the need that people's straight line is ridden substantially, and in order to satisfy need turn to, handlebar need have and turns to control, so that the adaptation bend is ridden.Following further structure is arranged for this reason.
With reference to Fig. 5, Fig. 6 and Fig. 7, be positioned with preceding fork shaft 32 by bearing 9 in the front cross-arm 3, preceding fork shaft 32 lower ends are fixed with the front fork 33 of band front-wheel 34; Handlebar 51 is positioned at yaw arm 5 upper ends by handlebar rotating shaft 52; 32 of handlebar rotating shaft 52 and preceding fork shafts are provided with transmission device, and both are in transmission connection in formation.32 transmission devices that are provided with of this handlebar rotating shaft 52 and preceding fork shaft, at least include a transition rotating shaft 53, this transition rotating shaft 53 is positioned in the yaw arm 5, and its two ends are respectively equipped with cone gear 8, with cone gear 8 engagements that are fixed on handlebar rotating shaft 52 and the preceding fork shaft 32, form drive connection respectively.In order to satisfy the moulding of arc or other crooked yaw arm 5, location transition rotating shaft 53 within it can be the structure of selecting of a d-axis or multistage axle, and the shaft contact place of multistage axle is provided with universal-joint 56.
As Fig. 5 and Fig. 7, transition rotating shaft 53 is provided with a power-transfer clutch, satisfies folding need of yaw arm 5 and front cross-arm 3, the shaft part 81 that this power-transfer clutch comprises the cone gear 8 that is positioned in the front cross-arm 3, be connected with cone gear 8, reaches transition rotating shaft 53 rectangle ends 54; The described shaft part 81 that is connected with cone gear is fixed in the front cross-arm 3 by bearing 9, and shaft part 81 surfaces are milled with two positioned parallel faces 82, the end offers a notch 83 that can allow transition rotating shaft rectangle end 54 cut; Front cross-arm 3 internal fixation have the elasticity axle clamp 35 that can clamp shaft part locating surface 82.
Again in conjunction with Fig. 5 and Fig. 6, the operation that the car yaw of riding instead of walk is folding, handlebar 51 and cross bar 1 mutual plumbness when riding, toward with cross bar parallel direction half-twist, the location hook folder 55 that is arranged on yaw arm 5 tops is clamped, and at this moment, transition rotating shaft rectangle end 54 lucky drive axle segments notches 83 rotate to and folding shaft contact axis normal position, and two parallel locating surfaces 82 are in elasticity axle clamp 35 clamp position just on the shaft part, and fork shaft 32 before making, transition rotating shaft 53 relative positions are constant; Yaw arm 5 is folding along jointed shaft 31, and the rectangle end 54 of transition rotating shaft breaks away from shaft part notch 83 naturally, and both realize separating action; Because preceding fork shaft 32 1 sides are by 35 clampings of elasticity axle clamp, the transition rotating shaft 53 1 sides hook folder 55 that is positioned pins, both positions remain unchanged, be beneficial to collection, carry, and when reusing, along with swing on the yaw arm 5 is done, make in the 54 incision shaft part notches 83 of transition rotating shaft rectangle end, form sympodium, then again along with handlebar 51 rotates to and cross bar 1 vertical direction, this action of 90 ° makes shaft part 81 follow half-twist, and shaft part two locating surfaces 82 break away from the restriction of elasticity axle clamp 35, shaft part 81 arcwall faces and elasticity axle clamp 35 bearing fits, can under the low resistance state, realize freely swinging of yaw, in other words, also only when handlebar rotates to the cross bar parastate, shaft part could be pinned by the elasticity axle clamp.
Fig. 5 for another example, in order to satisfy the incabloc function of front cross-arm, preceding fork shaft 32 and 8 one-tenth axial dynamic fit of cone gear, be arranged with a retracing spring 36 on the preceding fork shaft 32, conflict respectively in the location division of cone gear 8 bottoms and preceding fork shaft 32 in these retracing spring 36 two ends, also be the bearing location division or on preceding fork shaft the protruding arm of processing, cone gear 8 is remained and transition rotating shaft cone gear engagement trend, fork shaft 32 has certain damping stroke before making.Perhaps, preceding fork shaft 32 is for axially having the shock-absorbing axle of stretching structure, and it can reach the purpose of shock-absorbing equally.
Embodiment two:
In this example, the actuation of handlebar 21 is to adopt whippy steel wire to drive, and it does not influence drive connection when yaw arm 2 is folding, so when using, need not to design power-transfer clutch on folding bicycle.
With reference to Fig. 8, Fig. 9 and Figure 10,32 transmission devices that are provided with of this handlebar rotating shaft 52 and preceding fork shaft, comprise the gear 80 that is fixed on handlebar rotating shaft 52 and the preceding fork shaft 32, with gear 80 ingear tooth bars 801 and band sleeve pipe steel wire 802; Be engaged with two tooth bars that are parallel to each other 801 on the gear 80 of handlebar rotating shaft 52 and preceding fork shaft 32 respectively, a pair of tooth bar 801 that is in handlebar rotating shaft 52 and preceding fork shaft 32 homonymies is connected by steel wire 802; Two parallel tooth bars 801 are installed on the tooth bar seat 803, and the steel wire sleeve pipe is conflicted on tooth bar seat 803.
The action of handlebar rotating shaft 52 is specially taken charge of handlebar left side pendulum, a special department handlebar right side pendulum, synchronous coordination action, the purpose that the non-direct-type of realization handlebar yaw drives by two steel wires 802 and 801, one of difference bonded assembly homonymy tooth bars.
Under this theory, the transmission device that handlebar rotating shaft and front fork between centers are provided with also can adopt a flexible axle, and this flexible axle one end and handlebar rotating shaft are coupling, and the other end and preceding fork shaft are coupling.The employing flexible axle drives, and structure is the simplest, and the sensitivity, the synchronism that only need to guarantee the action of flexible axle two ends get final product.Perhaps, the transmission device that described handlebar rotating shaft and front fork between centers are provided with when the yaw arm is straight section is a tape handler, comprises the belt wheel, the driving band that are fixed on handlebar rotating shaft and the preceding fork shaft; Perhaps, the transmission device that described handlebar rotating shaft and front fork between centers are provided with when the yaw arm is straight section is a chain drive, comprises the sprocket wheel, the chain that are fixed on handlebar rotating shaft and the preceding fork shaft.
Claims (10)
1. mini-folding scooter, comprise front cross-arm, the back yoke that has trailing wheel, the seat cushion bar that has seat cushion that has front-wheel, yaw arm and the pedal transmission mechanism that has handlebar, the upper end that it is characterized in that front cross-arm and back yoke is positioned at by bearing pin on the two ends of a cross bar, is provided with a folder mouth that links closely with lock in the middle of the cross bar; The seat cushion bar passes the folder mouth in the middle of the cross bar, and its bottom is positioned with pedal spindle, and positioned coaxial has an end of front and rear connecting rods on this pedal spindle, and the other end of front rod is positioned on the front cross-arm bearing pin, and the other end of rear linking rod is positioned in the yoke rotating shaft of back; Yaw arm bottom and front cross-arm upper end are hinged, and are provided with a tight locking button; Pedal transmission mechanism comprises that two ends have the pedal spindle of pedal cranks, are fixed on first sprocket wheel on the pedal spindle, are fixed on second sprocket wheel and the 3rd sprocket wheel in the yoke rotating shaft of back, are fixed on the 4th sprocket wheel on the hind axle, and two driving chains between first sprocket wheel and second sprocket wheel, between the 3rd sprocket wheel and the 4th sprocket wheel.
2. a kind of mini-folding scooter according to claim 1 is characterized in that the seat cushion bar is two section telescopic bars, is provided with a tight locking button at interface.
3. a kind of mini-folding scooter according to claim 1 is characterized in that the front cross-arm centre bearer is positioned with preceding fork shaft, and preceding fork shaft lower end is fixed with the front fork of band front-wheel; Handlebar is positioned at yaw arm upper end by the handlebar rotating shaft; Handlebar rotating shaft and front fork between centers are provided with transmission device, and both are in transmission connection in formation.
4. a kind of mini-folding scooter according to claim 3 is characterized in that the transmission device that handlebar rotating shaft and front fork between centers are provided with, comprise the gear that is fixed on handlebar rotating shaft and the preceding fork shaft, with the tooth bar and the band sleeve pipe steel wire of gear mesh; Be engaged with two tooth bars that are parallel to each other on the gear of handlebar rotating shaft and preceding fork shaft respectively, a pair of tooth bar that is in handlebar rotating shaft and preceding fork shaft homonymy is connected by steel wire; Two parallel tooth bars are installed on the tooth bar seat, and the steel wire sleeve pipe is conflicted on the tooth bar seat.
5. a kind of mini-folding scooter according to claim 3, it is characterized in that the transmission device that handlebar rotating shaft and front fork between centers are provided with, at least include a transition rotating shaft, this transition rotating shaft is positioned in the yaw arm, its two ends are respectively equipped with cone gear, respectively with the cone gear engagement that is fixed on handlebar rotating shaft and the preceding fork shaft.
6. a kind of mini-folding scooter according to claim 3 is characterized in that the transmission device that handlebar rotating shaft and front fork between centers are provided with is a flexible axle, and this flexible axle one end and handlebar rotating shaft are coupling, and the other end and preceding fork shaft are coupling.
7. a kind of mini-folding scooter according to claim 5 is characterized in that the transition rotating shaft is the structure of selecting of a d-axis or multistage axle, and the shaft contact place of multistage axle is provided with universal-joint.
8. according to claim 5 or 7 described a kind of mini-folding scooters, it is characterized in that the transition rotating shaft is provided with a power-transfer clutch, the shaft part that this power-transfer clutch comprises the cone gear that is positioned in the front cross-arm, be connected with cone gear, and transition rotating shaft rectangle end; In front cross-arm, the shaft part surface is milled with two positioned parallel faces to the described shaft part that is connected with cone gear, the end offers a notch that can allow transition rotating shaft rectangle end cut by bearing fixing; The front cross-arm internal fixation has the elasticity axle clamp that can clamp the shaft part locating surface.
9. a kind of mini-folding scooter according to claim 5, fork shaft becomes axial dynamic fit before it is characterized in that with cone gear, be arranged with a retracing spring on the preceding fork shaft, conflict respectively in the location division of cone gear bottom and preceding fork shaft in these retracing spring two ends, cone gear is remained and transition rotating shaft cone gear engagement trend.
10. according to claim 3,4 or 5 described a kind of mini-folding scooters, fork shaft is for axially having the shock-absorbing axle of stretching structure before it is characterized in that.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201484930U CN201665278U (en) | 2010-04-01 | 2010-04-01 | Mini type folding scooter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201484930U CN201665278U (en) | 2010-04-01 | 2010-04-01 | Mini type folding scooter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201665278U true CN201665278U (en) | 2010-12-08 |
Family
ID=43266231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201484930U Expired - Lifetime CN201665278U (en) | 2010-04-01 | 2010-04-01 | Mini type folding scooter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201665278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797946A (en) * | 2010-04-01 | 2010-08-11 | 福州吉位仪器仪表有限公司 | Mini-folding scooter |
-
2010
- 2010-04-01 CN CN2010201484930U patent/CN201665278U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797946A (en) * | 2010-04-01 | 2010-08-11 | 福州吉位仪器仪表有限公司 | Mini-folding scooter |
| CN101797946B (en) * | 2010-04-01 | 2012-05-16 | 福州吉位仪器仪表有限公司 | Mini-folding scooter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101208 Effective date of abandoning: 20120516 |