CN105172971B - Folding electric bicycle - Google Patents
Folding electric bicycle Download PDFInfo
- Publication number
- CN105172971B CN105172971B CN201510648421.XA CN201510648421A CN105172971B CN 105172971 B CN105172971 B CN 105172971B CN 201510648421 A CN201510648421 A CN 201510648421A CN 105172971 B CN105172971 B CN 105172971B
- Authority
- CN
- China
- Prior art keywords
- wedge
- driving shaft
- clutch plate
- folding
- gangbar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
- B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
- B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
The present invention provides a kind of folding electric bicycle, including vehicle frame, yaw, front vehicle wheel, rear wheel, pedal, motor and transmission device, and the yaw, front vehicle wheel, rear wheel, pedal, motor and transmission device are each provided on vehicle frame；The vehicle frame includes turning-bar, bicycle beam and connecting rod；When lifting bicycle beam, turning-bar, bicycle beam and connecting rod three is set to form in-line structure；Yaw need to only press a lower pressing cap when folding, two handles are fallen down to folded state immediately, and the used time is no more than 1 second；The transmission device of the present invention is driven using wedge-shaped automatic step-by-step or Pressure Actuated Device by the stiction between driving shaft and clutch plate, instead of traditional chain or belt transmission, comparison can be made in same appearance and size underdrive ratio high, coordinate high-speed electric expreess locomotive to reduce drive mechanism volume and weight to greatest extent.The present invention yaw, the folding process of vehicle body and pedal and expansion process it is convenient and swift, volume after folding is substantially reduced, and is convenient for carrying.
Description
Technical field
The present invention relates to a kind of folding electric bicycle.
Background technology
Folding electric bicycle, although be folding, but overall car weight is more than 20 kilograms, puies forward sensation and takes again very much
Band is inconvenient, although what is had employs the simplification foldover design of aluminum alloy materials and vehicle frame, and universal weight is general all 15
More than kilogram, photoelectricity machine just more than 4 kilograms, carries and feels still very heavy.
Why heavier-weight has a major reason to be wheel for current folding electric bicycle and Segway Human Transporter
Rotating speed is low, general using wheel rim and motor integrated, but the motor of this structure is often all heavier more than 3 kilograms.Such as
Fruit is using the high-speed electric expreess locomotive of lighter in weight, and the requirement in order to meet electric car road speed, which only has, is turned motor by transmission device
Prompt drop gets off, and so needs very big gearratio, certainly will be sprocket wheel and belt pulley according to traditional chain or belt drive unit
Diameter is made very big, then the volume and weight of transmission device is also increased, and drive noise is also very big.Even if using secondary transmission
Volume and weight is also same situation, therefore can only be used as driving using heavy common electric machine；But only pipe is in this way, this general
Three-way motor and traditional chain or belt drive unit still have volume greatly, and the problem of weight is heavy causes car body monnolithic case
Size is larger, is unfavorable for folding operation and storage.If reasonable reformation therefore can be made to transmission device, and combination high-speed electric expreess locomotive can
The weight and appearance and size of car body can be substantially reduced.
In addition, the more usual vehicle body of folding electric bicycle is higher longer, larger space is taken, therefore in folding storage
When, it is necessary to vehicle body is folded to save space.Current vehicle body folding mode this on the market is existing a variety of, relatively common
One kind be by vehicle body doubling, it is simultaneously also thickening although this doubling mode can make vehicle body shorten, be unfavorable for carrying, and roll over
Folded process is time-consuming and laborious.
The content of the invention
The technical problem to be solved in the present invention, is to provide a kind of folding electric bicycle, yaw, vehicle body and pedal
Folding process and expansion process more convenient and quicker, volume after folding are substantially reduced, are convenient for carrying.
What the present invention was realized in：A kind of folding electric bicycle, including vehicle frame, yaw, front vehicle wheel, rear wheel, step on
Plate, motor and transmission device, the yaw, front vehicle wheel, rear wheel, pedal, motor and transmission device are each provided on vehicle frame,
It is characterized in that：
The vehicle frame includes turning-bar, bicycle beam and connecting rod；The turning-bar upper end connects yaw, lower end connection front truck
Wheel；The bicycle beam upper end can be set on turning-bar up or down, lower end connection rear wheel；The two ends difference of the connecting rod
It is articulated on turning-bar and bicycle beam；
The yaw includes a pedestal and two symmetrically arranged folding units, and any folding unit includes a gangbar, one
First wedge, one second wedge, a spacer pin, a guide rod, a pressure cap and one first preloading spring；The gangbar
The stage casing that the gangbar on pedestal can be connected to up or down is further opened with a vertical elongated hole；Second wedge can
It is rotatably fixed in gangbar；The spacer pin is fixed on the outer end of pedestal and positioned at the top of second wedge；Institute
The one end for stating the first wedge is fixedly connected with leader, and the other end is rotatably coupled pedestal and positioned at the outside of gangbar, should
First wedge has a butting section；Under handle open configuration, the butting section, which is supported, is located at second wedge, and described the
The slewing area of one wedge is by second wedge with spacer pin come spacing；The guide rod is fixed on pedestal and limited
In the vertical elongated hole；The pressure cap is located at the top of gangbar；The first preloading spring upper end connects guide rod,
Lower end connects gangbar, and such gangbar has upward pulling force all the time；
The motor is high-speed electric expreess locomotive；The transmission device is wedge-shaped automatic step-by-step, Pressure Actuated Device or twin-stage
Transmission device；The motor connects rear wheel by the transmission device；
What the pedal can be turned down is connected to the both sides of vehicle frame.
Further, the vehicle frame also includes a locker, and the locker includes that the first sealed lock can be docked
Button and the second lock, first lock and the second lock are respectively fixedly connected with bicycle beam and turning-bar；The first lock bag
Include a guide fixed block, a latch, a spring and a jump ring；The guide fixed block is connected in bicycle beam and housed with one
Groove, and the bottom of storage tank has a through hole；One end of the latch is located in storage tank and stretched out outside through hole and by jump ring card
System, another end head is exposed outside storage tank；The spring is located in storage tank and suppresses another end head in latch with housing
Between trench bottom；Second lock includes the anchor ear and a shell fragment being connected, and the anchor ear hoop is located on turning-bar, described
Shell fragment towards bicycle beam, and shell fragment plugged provided with a buttonhole for another end head of the latch it is sealed.
Further, the turning-bar includes center-pole and turns to sleeve pipe, and the steering sleeve pipe can be arranged up or down
On center-pole, the bicycle beam connects the steering sleeve pipe by an articulated elements.
Further, the bicycle beam is provided with a handle.
Further, second wedge is to be rotatably connected to by a voussoir axle in gangbar；And the wedge
Block axle can be also connected on pedestal up or down；The lower end of first preloading spring is to connect described by the voussoir axle
Lever；First wedge is to be rotatably coupled the pedestal by a rotary shaft, and the rotary shaft is located at the spacer pin
Interior side-lower, and positioned at the voussoir axle outside above.
Further, the wedge-shaped automatic step-by-step include driving shaft, clutch plate, the second preloading spring, guide pad with
And sliding block；The driving shaft is driven by motor, and the clutch plate is fixed on rear wheel, and the driving shaft and clutch plate contact
Set；The guide pad is fixed and a wedge-shaped guide groove is formed between clutch plate, wedge-shaped guide groove have a big end and
One small end, the sliding block is slidedly arranged in wedge-shaped guide groove, and the driving shaft is rotatably connected on sliding block by bearing；It is described
One end of second preloading spring is fixedly connected by spring support with the sliding block, and the other end is pressed on guide pad, makes second
Preloading spring produces the thrust that sliding block is pushed to wedge-shaped guide groove small end；The thrust makes sliding block produce multiplication just to driving shaft
Pressure and driving shaft is pressed on clutch plate to drive driven disc spins by stiction.
Further, wedge-shaped automatic step-by-step also includes synchronous belt drive mechanism, and the motor is passed by the timing belt
Motivation structure connects the driving shaft.
Further, the Pressure Actuated Device includes driving shaft, clutch plate, thrust bearing and the 3rd preloading spring；
The rear end of the driving shaft connects motor by a unilateral bearing, and front end reduces to form the first taper surface；The clutch plate is fixed
On rear wheel, and end face is the second taper surface；The incline direction of first taper surface and the second taper surface is consistent and connects
Touch and set；The thrust bearing is fixedly connected on driving shaft and can axially moved with driving shaft；3rd preloading spring
Rear end is fixed on vehicle frame by a fixation position-limited rack, and front end is supported pushes driving shaft to clutch plate located at thrust bearing to produce
Thrust；The thrust makes the first taper surface produce the normal pressure of multiplication to the second taper surface and driving shaft is pressed on clutch plate
To drive driven disc spins by stiction.
Further, the other end of the clutch plate, which is supported, is provided with a Limit Bearing, and the Limit Bearing is by the of clutch plate
Two taper surfaces push against the first taper surface in the driving shaft.
Further, first taper surface is equal with the cone angle of the second taper surface.
Further, the double-stage driving device includes driving pulley, driven pulley, driving gear and driven gear；Institute
State driving pulley to be directly driven by a motor, and the driven pulley is connected by belt；The driving gear and the driven belt
Wheel is coaxially disposed, and the driven gear and rear wheel are coaxial fixed and are engaged with driving gear；The driving gear is little gear,
The driven pulley is gear wheel, and the radius of gear wheel is less than the radius of rear wheel.
Further, the radius of the driven pulley is 1~3 times of driving pulley radius, the radius of the driven gear
It is 4~10 times of driving gear radius.
The invention has the advantages that：
1st, vehicle frame of the present invention is made up of turning-bar, bicycle beam and connecting rod, when lifting bicycle beam, and bicycle beam can be with rear car
Wheel is close to turning-bar, while connecting rod, which is also gradually erected, is close to turning-bar and bicycle beam, makes turning-bar, bicycle beam and connecting rod three
In-line structure is formed, folding process and expansion process are convenient and swift, vehicle body can not only be made to shorten after folding, and will not be thickening,
It is convenient for carrying；
2nd, a lower pressing cap need to be only pressed when yaw of the present invention is folded, two handles are fallen down to folded state immediately, and the used time does not surpass
Spend 1 second, conversely, to open in use, handle need to only be opened 90 degree it is i.e. resilient, one hand be it is operable, it is convenient and swift；
3rd, wedge-shaped automatic step-by-step of the invention and Pressure Actuated Device are rubbed using quiet between driving shaft and clutch plate
Power transmission is wiped, instead of traditional chain or belt transmission, comparison can be made in same appearance and size underdrive ratio high, and
The static friction of steel and steel between this driving shaft and clutch plate can substantially reduce the noise of transmission, and raising uses the longevity
Life, the kind of drive can reduce the volume and weight of motor and transmission device, make the gross weight of the two less than 1KG, Er Qie electricity
The cost of machine can also drop to 50 yuan or so from more than 400 yuan.
4th, double-stage driving device of the invention uses belt wheel and gear secondary transmission, in same appearance and size underdrive ratio
Can be made that comparison is high, and the radius of gear wheel is less than the radius of driving moment, size is diminished, can reach it is higher plus
Work precision, can not only mitigate weight, can also reduce the noise of transmission, improve service life, and the kind of drive can reduce drive
The volume and weight of dynamic motor and transmission device, makes the gross weight of the two less than 1KG, and the cost of motor also can be from more than 400 yuan
Drop to 50 yuan or so.
Brief description of the drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the side structure schematic view of the deployed condition of folding electric bicycle of the present invention.
Fig. 1 a are the forward sight structural representation of the deployed condition of folding electric bicycle of the present invention.
Fig. 1 b are the overlooking the structure diagram of the deployed condition of folding electric bicycle of the present invention.
Fig. 2 is the side structure schematic view of the folded state of folding electric bicycle of the present invention.
Fig. 2 a are the backsight structural representation of the folded state of folding electric bicycle of the present invention.
Fig. 2 b are the overlooking the structure diagram of the folded state of folding electric bicycle of the present invention.
Fig. 3 is the structural representation of locker of the present invention.
Fig. 3 a are the cross section structure diagram of locker trip status of the present invention and the line A-A along Fig. 3.
Fig. 3 b are locker locked state of the present invention and the cross section structure diagram of the line A-A along Fig. 3.
Fig. 4 is the structural representation of yaw open mode of the present invention.
Fig. 4 a are the structural representation of yaw folded state of the present invention.
Fig. 4 b are the structural representation of the state of yaw folding process one of the present invention.
Fig. 5 is the external structure schematic diagram of the wedge-shaped automatic step-by-step of the present invention.
Fig. 5 a are the structural representation of the use state of the wedge-shaped automatic step-by-step of the present invention.
Fig. 5 b are cross section structure diagrams of Fig. 5 a along line B-B.
Fig. 5 c are the guide pad and the structural representation of sliding block in the wedge-shaped automatic step-by-step of the present invention.
Fig. 5 d are the principle schematic of the wedge-shaped automatic step-by-step of the present invention.
Fig. 6 is the external structure schematic diagram of the Pressure Actuated Device of the present invention.
Fig. 6 a are the principle schematic of the Pressure Actuated Device of the present invention.
Fig. 7 is the positive structure schematic of the double-stage driving device of the present invention.
Fig. 7 a are Fig. 6 C-C cross section structure diagrams.
Fig. 7 b are the side structure schematic diagram of the double-stage driving device of the present invention.
Embodiment
As shown in Fig. 1 to Fig. 7 b, folding electric bicycle of the invention, including vehicle frame 1, yaw 2, front vehicle wheel 3, rear wheel
4th, pedal 5, motor 6 and transmission device；The yaw 2, front vehicle wheel 3, rear wheel 4, pedal 5, motor 6 and transmission device are equal
It is located on vehicle frame 1.The both sides for being connected to vehicle frame 1 that wherein described pedal 5 can be turned down.
As shown in Fig. 1 to Fig. 2 b, the vehicle frame 1 includes turning-bar 11, bicycle beam 12, connecting rod 13 and locker 14；
The upper end of turning-bar 13 connects yaw 2, lower end connection front vehicle wheel 3；The upper end of bicycle beam 12 can be set in up or down to be turned
To on bar 11, lower end connection rear wheel 4；The two ends of the connecting rod 13 are articulated on turning-bar 11 and bicycle beam 12 respectively.Wherein,
The turning-bar 11 includes center-pole 111 and turns to sleeve pipe 112, and the steering sleeve pipe 112 can be set in center up or down
On bar 111, the bicycle beam 12 connects the steering sleeve pipe 112 by an articulated elements 122, and bicycle beam 12 can also be around articulated elements 122
Rotate upwardly and downwardly, such center-pole 111 can be arbitrarily rotated without influenceing bicycle beam 12, while bicycle beam 12 passes through turning in sleeve pipe 112
Turn to sleeve pipe 112 and may be implemented in center-pole 111 and move up and down and be close to turning-bar 11.In addition, turning to sleeve pipe 112 having to set
Under the premise of, the two ends of the connecting rod 13 are articulated in steering sleeve pipe 112 and bicycle beam 12 respectively.
As shown in Fig. 3 to Fig. 3 b, the locker 14 includes that sealed the first lock 14A and the second lock can be docked
14B, the first lock 14A and the second lock 14B are respectively fixedly connected with bicycle beam 12 and turning-bar 11；First lock
14A includes a guide fixed block 141, a latch 142, a spring 143 and a jump ring 144；The guide fixed block 141 is connected
In bicycle beam 12 and with a storage tank 145, and the bottom of storage tank 145 has a through hole 146；142 one end of the latch
It is located in storage tank 145 and stretches out outside through hole 146 and by jump ring blocking, another end head 1422 is exposed outside storage tank；The bullet
Spring 143 is located in storage tank 145 and suppressed between another end head 1422 of latch and the bottom of storage tank 145；Described second
Lock 14B includes the anchor ear 147 and a shell fragment 148 being connected, and the hoop of anchor ear 147 is located on turning-bar 11, the shell fragment
148 towards bicycle beam 12, and shell fragment 148 plugged provided with a buttonhole 1482 for another end head 1422 of the latch it is sealed.
The upper end of bicycle beam 2 can move up and down and rotate relative to turning-bar 1, when bicycle beam 12 is raised, the first lock 14A
When being pushed to the second lock 14B and docking, producing certain impact power makes the head 4122 of latch 412 overcome the elastic force of spring 413
Moved to jump ring direction, when the buttonhole 4222 on insertion shell fragment 422 is overlapped with the head 4122 of latch 412, in the bullet of spring 143
Head 4122 is moved up in the presence of power and just inserts buttonhole 4222, both is pushed against and does not thread off and realize sealed, beam 2 of delaying unloading instantly
During with the head 4122 of latch 412, manpower overcomes the effect of spring force to make the head 4122 of latch 412 from shell fragment 422
Disengaged in buttonhole 4222, you can open whole vehicle body.In addition, lifting bicycle beam 12 for convenience, one can be set in the bicycle beam 12 and carried
Hand 121, when lifting the handle 121 of bicycle beam 12, the upper end of bicycle beam 12 is moved along turning-bar 11 to the direction of yaw 2, until pre-
Fixed position, lower end is then close to turning-bar 11 with rear wheel 4, while connecting rod 13, which is also gradually erected, is close to turning-bar 11 and car
Beam 12, finally makes turning-bar 11, bicycle beam 12 and the three of connecting rod 13 form in-line structure, now, and the of locker 14
One lock 14A and the second lock 14B docking are sealed, form firm foldable structure, folding process is convenient and swift, can not only make car
Body shortens, and will not be thickening, is convenient for carrying.When to be deployed, the head 4122 of bicycle beam 12 and latch need to only be pushed
Locker 4 is threaded off, the upper end of bicycle beam 12 is along the slide downward of turning-bar 11, while connecting rod 13 is also opened, go directly predetermined
The triangular structure of position, now turning-bar 11, bicycle beam 12 and the formation stabilization of connecting rod 13, reinflated yaw 2, pedal 5 etc.,
It can be used.
As shown in Fig. 4 to Fig. 4 b, the yaw 2 includes a pedestal 21 and two symmetrically arranged folding units, any folding
Unit includes a gangbar 22, one first wedge 23, one second wedge 24, a spacer pin 25, a guide rod 26, a pressure cap
27 and one first preloading spring 28；The gangbar 22 can be connected on pedestal 21 in the gangbar 22 up or down
Section is further opened with a vertical elongated hole 222；Second wedge 24 is rotatably mounted in gangbar 22；The spacer pin
25 are fixed on the outer end of pedestal 21 and positioned at the top of second wedge 24；One end of first wedge 23, which is fixed, to be connected
Leader 29 is met, the other end is rotatably coupled pedestal 21 and positioned at the outside of gangbar 22, and first wedge 23 has one
Butting section 234；Under the open configuration of handle 29, the butting section 232, which is supported, is located at second wedge 24, first wedge shape
The slewing area of block 23 is by second wedge 24 with spacer pin 25 come spacing；The guide rod 26 is fixed on pedestal 21
And be limited in the vertical elongated hole 222；The pressure cap 27 is located at the top of gangbar 22；On first preloading spring 28
End connection guide rod 26, lower end connection gangbar 22；Second wedge 24 is rotatably coupled by a voussoir axle 242
In gangbar 22；And the voussoir axle 242 can be also connected on pedestal 21 up or down, and length can be specifically opened up on pedestal
Shape hole 212, makes the voussoir axle 242 spacing wherein；The lower end of first preloading spring 28 is connected by the voussoir axle 242
The gangbar 22；First wedge 23 is to be rotatably coupled the pedestal 21, the rotary shaft by a rotary shaft 232
232 are located at the interior side-lower of the spacer pin 25, and above the outside of the voussoir axle 242.
The deployment lifting process of the yaw 2 is as follows：
When the 1st, needing to fold, pressure cap 27 is pressed, gangbar 22 drives the second wedge 24 to move down, make the first wedge shape
The butting section 234 of block 23 loses the support of the second wedge 24, and corresponding handle is due to deadweight generation torque around rotary shaft
232 rotations are fallen down, you can form folded state as shown in Figure 2.Wherein, two pressure caps 27 are disposed adjacent, and conveniently can be pressed simultaneously,
Two handles 29 can be so stored simultaneously, and the used time is no more than 1 second, convenient and swift.
2nd, need open when, respectively by two handles 29 be flared out 90 degree it is i.e. resilient, during opening, such as Fig. 4
Shown (convenient for expression, to have removed spring), when the angle that two handles 29 open is close to 90 degree, the first wedge 23 against
The edge of the maximum radius in portion 234 can be pressed down against the second wedge 24, the second wedge 24 is moved down slightly, until two handles
When the angle opened reaches 90 degree, the edge of large radius goes to the lower section of the second wedge 24, to discharge a small space
Lose and the second wedge 24 is extruded, now in the presence of the first preloading spring 28, the second wedge 24 is together with gangbar 22
Rapid rise and the butting section 234 of stuck first wedge 23, prevent handle 29 to form stable open configuration from rotating, whole
Individual process one hand be it is operable, it is convenient and swift.
The motor 6 is high-speed electric expreess locomotive；The transmission device is wedge-shaped automatic step-by-step 7, Pressure Actuated Device 8 or double
Gear stage 9；The motor 6 connects rear wheel 4 by the transmission device.
As shown in Fig. 5 to Fig. 5 d, the wedge-shaped automatic step-by-step 7 includes driving shaft 71, clutch plate 72, the second pretension bullet
Spring 73, guide pad 74 and sliding block 75；The driving shaft 71 is driven by motor 6, and the clutch plate 72 is fixed on rear wheel 4,
And the driving shaft 71 and the contact of clutch plate 72 are set；The guide pad 74 is fixed and a wedge is formed between clutch plate 72
Shape guide groove 76, wedge-shaped guide groove 76 has a big small end 762 of end 761 and one, and the sliding block 75 is slidedly arranged on wedge-shaped guide groove 76
Interior, the driving shaft 71 is rotatably connected on sliding block 75 by bearing 711；One end of second preloading spring 73 passes through
Spring support 732 is fixedly connected with the sliding block 75, and the other end is pressed on guide pad 74, and producing the second preloading spring 73 will
Sliding block 75 pushes the thrust F1 of the wedge-shaped small end 762 of guide groove 76 to；The thrust F1 makes sliding block 75 produce multiplication to driving shaft 71
Normal pressure F2 and by driving shaft 71 be pressed on clutch plate 72 with by stiction drive clutch plate 72 rotate, can be achieved 4~
20 gearratio.Wedge-shaped automatic step-by-step also includes synchronous belt drive mechanism 77, and the motor 6 passes through the toothed belt transmission machine
Structure 77 connects the driving shaft 71.
The principle of the wedge-shaped automatic step-by-step 7 is：
Because the second preloading spring 73 has the thrust F1 that sliding block 75 is pushed to the wedge-shaped small end 762 of guide groove 76；It is described to push away
Power F1 makes sliding block 75 produce the normal pressure F2 of multiplication to driving shaft 71 and driving shaft is pressed on clutch plate 72 again, now gently
Rear wheel 4 is promoted, with regard to that can make to produce an initial start frictional force, initial start frictional force between driving shaft 71 and clutch plate 72
The related sliding block of driving shaft 71 can be pushed to the wedge-shaped small end 762 of guide groove 76, more be moved toward small end 762, the related sliding block of driving shaft 71
Positioned space is smaller, and normal pressure F2 is bigger, and the stiction between driving shaft 71 and clutch plate 72 is also bigger, bigger
Stiction in turn can push the related sliding block of driving shaft 71 to the wedge-shaped small end 762 of guide groove 76 again, and more be moved toward small end 762
Dynamic, normal pressure F2 is again bigger, and stiction is increased again, so circulation, when stiction is sufficiently large, the driving shaft 71 of rotation
Clutch plate 72 can be driven to rotate, stiction is the driving force of rear wheel 4, so as to drive rear wheel 4, realize that self-locking is doubled
Driving.Wherein F1 ' is initial tension of spring (i.e. thrust F1) and driving force (frictional force i.e. between driving shaft 71 and clutch plate 72)
Make a concerted effort, should make a concerted effort for the motive force of driving shaft 71 or sliding block 75.
As shown in Fig. 6 to Fig. 6 a, the Pressure Actuated Device 8 include driving shaft 81, clutch plate 82, thrust bearing 83 and
3rd preloading spring 84.The rear end of the driving shaft 81 connects motor 6 by a unilateral bearing 85, and front end reduces to form the first cone
Shape face 811；The clutch plate 82 is fixed on rear wheel 4, and end face is the second taper surface 821；First taper surface 811
It is consistent with the incline direction of the second taper surface 821 and contact setting；The other end of clutch plate 82, which is supported, is provided with a Limit Bearing 86,
The Limit Bearing 86 pushes against the second taper surface 821 of clutch plate 82 the first taper surface 811 in the driving shaft 81；This is spacing
Bearing 86 is fixed by a fixed mount 862.The thrust bearing 83 is fixedly connected on driving shaft 81 and can made with driving shaft 81
It is axially moved；The rear end of 3rd preloading spring 84 is fixed by a fixation position-limited rack 87, and fixed position-limited rack 87 can be together with institute
The 3rd preloading spring 84 is stated to be set on driving shaft 81, but fixed position-limited rack 87 is not axially moved with driving shaft 81, and front end is supported
To produce to driving shaft 81 is pushed to the thrust F4 of clutch plate 82 located at thrust bearing 83；The thrust F4 makes the first taper surface 811
The normal pressure F5 of multiplication is produced to the second taper surface 821 and driving shaft 81 is pressed on clutch plate 82 with by stiction band
Dynamic clutch plate 82 rotates.First taper surface 811 is equal with the taper angle theta of the second taper surface 821, and the size of taper angle theta is determined
The multiple of normal pressure F5 relative forces F4 multiplications, taper angle theta is smaller, and normal pressure F5 relative forces F4 multiple is bigger, in this way, main
Stiction between moving axis 81 and clutch plate 82 is just bigger, and transmission is just more reliable.The gearratio of the driving shaft and clutch plate
Relevant with the radius of clutch plate 82 by driving shaft 81, the two radius difference is bigger, and gearratio is bigger, and this structure of the invention
The radius of driving shaft 81 can be arranged to the radius much smaller than clutch plate 82 by Pressure Actuated Device 8, to meet subtracting for high-speed electric expreess locomotive
Fast demand.
The principle of the Pressure Actuated Device 8 is：Push driving shaft 81 to clutch plate because the 3rd preloading spring 84 has
82 thrust F4；The thrust F4 makes 811 pair of second taper surface 821 of the first taper surface produce the normal pressure F5 of multiplication and incite somebody to action actively
Axle 81 is pressed on clutch plate 82, to drive clutch plate 82 to rotate by stiction.
As shown in Fig. 7 to Fig. 7 b, the double-stage driving device 9 includes driving pulley 91, driven pulley 92, driving gear 93
With driven gear 94；The driving pulley 91 is directly driven by motor 6, such as may be mounted on motor shaft 61, and pass through belt
The 912 connection driven pulleys 92；The driving gear 93 is coaxially disposed with the driven pulley 92, i.e., be arranged by bearing
On driven shaft 923, the driven gear 94 is coaxial fixed with rear wheel 4, i.e., be set in driving rear vehicle shaft by bearing
On 41, and engaged with driving gear 93；The driving gear 93 is little gear, and the driven pulley 94 is gear wheel, gear wheel
Radius be less than rear wheel 4 radius.
The radius of the driven pulley 92 is twice of the radius of driving pulley 91, and the radius of the driven gear 94 is actively
10 times of the radius of gear 93, make the gearratio of the double-stage driving device 9 reach 20 or so, to reach higher gearratio.
The folding and expansion operating process of folding electric bicycle of the present invention are as follows：
When the 1st, folding, yaw, vehicle frame, pedal are folded respectively, folded state is as shown in Fig. 2 to Fig. 2 b.
When the 2nd, deploying, yaw, vehicle frame, pedal are deployed respectively, can be made when deployed condition is as shown in Fig. 1 to Fig. 1 b
With.
Although the foregoing describing the embodiment of the present invention, those familiar with the art should manage
Solution, the specific embodiment described by us is merely exemplary, rather than for the restriction to the scope of the present invention, is familiar with this
The equivalent modification and change that the technical staff in field is made in the spirit according to the present invention, should all cover the present invention's
In scope of the claimed protection.
Claims (11)
1. a kind of folding electric bicycle, including vehicle frame, yaw, front vehicle wheel, rear wheel, pedal, motor and transmission device, institute
Yaw, front vehicle wheel, rear wheel, pedal, motor and transmission device is stated to be each provided on vehicle frame, it is characterised in that：
The vehicle frame includes turning-bar, bicycle beam and connecting rod；The turning-bar upper end connects yaw, lower end connection front vehicle wheel；
The bicycle beam upper end can be set on turning-bar up or down, lower end connection rear wheel；The two ends difference pivot of the connecting rod
It is connected on turning-bar and bicycle beam；
The yaw includes a pedestal and two symmetrically arranged folding units, and any folding unit includes a gangbar, one first
Wedge, one second wedge, a spacer pin, a guide rod, a pressure cap and one first preloading spring；The gangbar can on
Under be movably connected on pedestal, the stage casing of the gangbar is further opened with a vertical elongated hole；Second wedge can turn
It is fixed on dynamicly in gangbar；The spacer pin is fixed on the outer end of pedestal and positioned at the top of second wedge；It is described
One end of first wedge is fixedly connected with leader, and the other end is rotatably coupled pedestal and positioned at the outside of gangbar, and this
One wedge has a butting section；Under handle open configuration, the butting section, which is supported, is located at second wedge, described first
The slewing area of wedge is by second wedge with spacer pin come spacing；The guide rod is fixed on pedestal and spacing
In in the vertical elongated hole；The pressure cap is located at the top of gangbar；The first preloading spring upper end connects guide rod, under
End connection gangbar；
Second wedge is to be rotatably connected to by a voussoir axle in gangbar；And the voussoir axle can also on move down
It is connected to dynamicly on pedestal；The lower end of first preloading spring is to connect the gangbar by the voussoir axle；
First wedge is to be rotatably coupled the pedestal by a rotary shaft, and the rotary shaft is located at the spacer pin
Interior side-lower, and above the outside of the voussoir axle；
The motor is high-speed electric expreess locomotive；The transmission device is wedge-shaped automatic step-by-step, Pressure Actuated Device or double-stage driving
Device；The motor connects rear wheel by the transmission device；
What the pedal can be turned down is connected to the both sides of vehicle frame.
2. folding electric bicycle according to claim 1, it is characterised in that：The vehicle frame also includes a locker,
The locker first lock and second lock sealed including that can dock, first lock and the second lock are fixed respectively to be connected
It is connected in bicycle beam and turning-bar；
First lock includes a guide fixed block, a latch, a spring and a jump ring；The guide fixed block is connected to
In bicycle beam and with a storage tank, and the bottom of storage tank has a through hole；One end of the latch is located in storage tank and stretched
Go out outside through hole and by jump ring blocking, another end head is exposed outside storage tank；The spring is located in storage tank and suppressed in latch
Another end head and accommodating trench bottom between；
Second lock includes the anchor ear and a shell fragment being connected, and the anchor ear hoop is located on turning-bar, the shell fragment court
To bicycle beam, and shell fragment plugged provided with a buttonhole for another end head of the latch it is sealed.
3. folding electric bicycle according to claim 1 or 2, it is characterised in that：The turning-bar include center-pole and
Sleeve pipe is turned to, the steering sleeve pipe can be set on center-pole up or down, the bicycle beam connects described by an articulated elements
Turn to sleeve pipe.
4. folding electric bicycle according to claim 1, it is characterised in that：The bicycle beam is provided with a handle.
5. folding electric bicycle according to claim 1, it is characterised in that：
The wedge-shaped automatic step-by-step includes driving shaft, clutch plate, the second preloading spring, guide pad and sliding block；
The driving shaft is driven by motor, and the clutch plate is fixed on rear wheel, and the driving shaft and clutch plate contact are set
Put；
The guide pad is fixed and a wedge-shaped guide groove is formed between clutch plate, and wedge-shaped guide groove has a big end and one
Small end, the sliding block is slidedly arranged in wedge-shaped guide groove, and the driving shaft is rotatably connected on sliding block by bearing；
One end of second preloading spring is fixedly connected by spring support with the sliding block, and the other end is pressed in guide pad
On, the second preloading spring is produced the thrust that sliding block is pushed to wedge-shaped guide groove small end；
The thrust makes sliding block produce the normal pressure of multiplication to driving shaft and driving shaft is pressed on clutch plate to be rubbed by quiet
Wipe power and drive driven disc spins.
6. folding electric bicycle according to claim 5, it is characterised in that：Wedge-shaped automatic step-by-step also includes synchronous
Tape handler, the motor connects the driving shaft by the synchronous belt drive mechanism.
7. folding electric bicycle according to claim 1, it is characterised in that：
The Pressure Actuated Device includes driving shaft, clutch plate, thrust bearing and the 3rd preloading spring；
The rear end of the driving shaft connects motor by a unilateral bearing, and front end reduces to form the first taper surface；
The clutch plate is fixed on rear wheel, and end face is the second taper surface；
The incline direction of first taper surface and the second taper surface is consistent and contacts setting；
The thrust bearing is fixedly connected on driving shaft and can axially moved with driving shaft；The 3rd preloading spring rear end
It is fixed on by a fixation position-limited rack on vehicle frame, front end is supported pushes driving shaft to clutch plate push away located at thrust bearing to produce
Power；
The thrust makes the first taper surface produce the normal pressure of multiplication to the second taper surface and driving shaft is pressed on clutch plate
To drive driven disc spins by stiction.
8. folding electric bicycle according to claim 7, it is characterised in that：
The other end of the clutch plate support be provided with a Limit Bearing, the Limit Bearing by the second taper surface of clutch plate push against in
First taper surface of the driving shaft.
9. folding electric bicycle according to claim 7, it is characterised in that：
First taper surface is equal with the cone angle of the second taper surface.
10. folding electric bicycle according to claim 1, it is characterised in that：
The double-stage driving device includes driving pulley, driven pulley, driving gear and driven gear；
The driving pulley is directly driven by a motor, and connects the driven pulley by belt；
The driving gear is coaxially disposed with the driven pulley, the driven gear and the coaxial fixation of rear wheel and and driving tooth
Wheel engagement；
The driving gear is little gear, and the driven pulley is gear wheel, and the radius of gear wheel is less than the radius of rear wheel.
11. folding electric bicycle according to claim 10, it is characterised in that：The radius of the driven pulley is actively
1~3 times of belt wheel radius, the radius of the driven gear is 4~10 times of driving gear radius.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510648421.XA CN105172971B (en) | 2015-10-09 | 2015-10-09 | Folding electric bicycle |
| PCT/CN2016/101545 WO2017059811A1 (en) | 2015-10-09 | 2016-10-09 | Folding electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510648421.XA CN105172971B (en) | 2015-10-09 | 2015-10-09 | Folding electric bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105172971A CN105172971A (en) | 2015-12-23 |
| CN105172971B true CN105172971B (en) | 2017-09-05 |
Family
ID=54895560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510648421.XA Expired - Fee Related CN105172971B (en) | 2015-10-09 | 2015-10-09 | Folding electric bicycle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105172971B (en) |
| WO (1) | WO2017059811A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111874146A (en) * | 2020-06-08 | 2020-11-03 | 杨海龙 | Sliding frame and bicycle using same |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172971B (en) * | 2015-10-09 | 2017-09-05 | 福建省新车技科技发展有限公司 | Folding electric bicycle |
| CN107128423A (en) * | 2017-05-27 | 2017-09-05 | 薛文武 | A kind of folding electric bicycle |
| CN107600121A (en) * | 2017-09-29 | 2018-01-19 | 北京交通大学 | A kind of electric stair climbing mechanism with brake gear |
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| DE29610975U1 (en) * | 1995-06-27 | 1996-10-24 | Ito Design Und Marketing Gmbh | Means of transport for transporting people and / or goods on foot |
| CN101293552A (en) * | 2007-04-26 | 2008-10-29 | 梁德 | Foldable handlebar |
| CN202914461U (en) * | 2012-10-15 | 2013-05-01 | 恒昌行精密工业有限公司 | Board-to-board fast positioning deivce |
| CN104229036A (en) * | 2014-10-15 | 2014-12-24 | 太仓市车中宝休闲用品有限公司 | Double-beam sliding piece linkage box type foldable electric bicycle |
| CN205098375U (en) * | 2015-10-09 | 2016-03-23 | 福建省新车技科技发展有限公司 | Folding electric bicycle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR8100960Y1 (en) * | 2001-03-27 | 2010-08-10 | Space optimization set for bicycle storage or storage. | |
| CA2364369A1 (en) * | 2001-12-05 | 2003-06-05 | Ting-Hsing Chen | Mini bike folding structure |
| KR20090049675A (en) * | 2007-11-14 | 2009-05-19 | (주)엠파워텍 | Rear wheel folding type bicycle |
| CN103072658A (en) * | 2013-01-31 | 2013-05-01 | 太仓市车中宝休闲用品有限公司 | X-shaped folding three-wheeled electric bicycle |
| CN103171714B (en) * | 2013-03-26 | 2014-09-17 | 太仓市车中宝休闲用品有限公司 | Folding and pushable type portable electric bicycle |
| CN105172971B (en) * | 2015-10-09 | 2017-09-05 | 福建省新车技科技发展有限公司 | Folding electric bicycle |
-
2015
- 2015-10-09 CN CN201510648421.XA patent/CN105172971B/en not_active Expired - Fee Related
-
2016
- 2016-10-09 WO PCT/CN2016/101545 patent/WO2017059811A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29610975U1 (en) * | 1995-06-27 | 1996-10-24 | Ito Design Und Marketing Gmbh | Means of transport for transporting people and / or goods on foot |
| CN101293552A (en) * | 2007-04-26 | 2008-10-29 | 梁德 | Foldable handlebar |
| CN202914461U (en) * | 2012-10-15 | 2013-05-01 | 恒昌行精密工业有限公司 | Board-to-board fast positioning deivce |
| CN104229036A (en) * | 2014-10-15 | 2014-12-24 | 太仓市车中宝休闲用品有限公司 | Double-beam sliding piece linkage box type foldable electric bicycle |
| CN205098375U (en) * | 2015-10-09 | 2016-03-23 | 福建省新车技科技发展有限公司 | Folding electric bicycle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111874146A (en) * | 2020-06-08 | 2020-11-03 | 杨海龙 | Sliding frame and bicycle using same |
| CN111874146B (en) * | 2020-06-08 | 2022-06-28 | 唐山金亨通车料有限公司 | Sliding frame and bicycle using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105172971A (en) | 2015-12-23 |
| WO2017059811A1 (en) | 2017-04-13 |
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