CN108945262A - A kind of city bicycles - Google Patents
A kind of city bicycles Download PDFInfo
- Publication number
- CN108945262A CN108945262A CN201810638296.8A CN201810638296A CN108945262A CN 108945262 A CN108945262 A CN 108945262A CN 201810638296 A CN201810638296 A CN 201810638296A CN 108945262 A CN108945262 A CN 108945262A
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- China
- Prior art keywords
- gear
- support tube
- sliding bar
- driven shaft
- city bicycles
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- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000007704 transition Effects 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 230000005484 gravity Effects 0.000 abstract description 10
- 230000033001 locomotion Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 210000001217 buttock Anatomy 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 210000002414 leg Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- 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
- B62M1/00—Rider propulsion of wheeled vehicles
- B62M1/18—Rider propulsion of wheeled vehicles by movement of rider's saddle
-
- 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
- B62M1/00—Rider propulsion of wheeled vehicles
- B62M1/10—Rider propulsion of wheeled vehicles involving devices which enable the mechanical storing and releasing of energy occasionally, e.g. arrangement of flywheels
- B62M1/105—Rider propulsion of wheeled vehicles involving devices which enable the mechanical storing and releasing of energy occasionally, e.g. arrangement of flywheels using elastic elements
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
A kind of city bicycles include vehicle frame, and vehicle frame is provided with front wheels and rear wheels, and vehicle frame includes support tube, and sliding is provided with sliding bar in support tube, and the end of sliding bar is provided with vehicle seat, is provided with energy storing members in support tube；Rack gear is provided on sliding bar, transmission bracket is provided on support tube, driving shaft and driven shaft are provided in transmission bracket, the first gear being engaged with rack is provided on driving shaft, the second gear connecting with first gear is provided on driven shaft, second gear includes the click component with driven axis connection；Second gear is connected with drive sprocket, and rear-wheel is connected with driven sprocket；It is foot-operated that support tube is provided with support, slideway is provided on the outside of support tube, guide wheel is provided with above slideway, one end of drawstring is connect with sliding bar, the other end and the foot-operated connection of support, power by the gravity of people itself as bicycle running reduces physical demands when people's riding bicycle, while increasing the interest in ride.
Description
Technical field
The present invention relates to bicycles, and in particular to a kind of city bicycles.
Background technique
Bicycle, also known as bicycle or bicycle, the small-sized ground vehicles of usually two wheels.After people rides vehicle, trampled with foot
Plate is power, is the environmentally protective vehicles.Bicycle is used to ride instead of walk, go on a journey as the vehicles of environmental protection；It is more and more
People go on a tour bicycle as fitness equipment be used to ride exercise, bicycle.
Currently, the drive system of bicycle: by components such as pedal, axis, chain wheel, crank, chain, flywheel, rear axle, rear-wheels
Composition.Its driving force pedals power from the foot of people, pedal by crank, the transmission of the components such as sprocket wheel, chain, flywheel, rear axle,
To make bicycle constantly advance.
Existing bicycle relies on the muscle strength of people leg in the process of moving, the leg of people in long-time ride
A large amount of energy, which can be consumed, causes leg to be ached, and there are improvements for the prior art.
Summary of the invention
In order to solve the above technical problems, the invention proposes a kind of city bicycles, it is sliding using the gravitational force urges of people itself
Lever is slided in support tube, so that drive sprocket is passed through chain-driving driven sprocket by the transmission parts being arranged on transmission mechanism
Rotation, the power by the gravity of people itself as bicycle running reduce physical demands when people's riding bicycle, increase simultaneously
Add the interest in ride.
In order to achieve the above objectives, technical scheme is as follows: a kind of city bicycles include vehicle frame, the vehicle
Rotation is provided with front wheels and rear wheels on frame, and the vehicle frame includes the support tube being arranged along the vertical direction, slides in the support tube
Dynamic to be provided with sliding bar, the end of the sliding bar is provided with vehicle seat and the sliding bar is arranged far from the side of vehicle seat described
In support tube, the energy storing members connecting with support rod are provided in the support tube；It is provided on the sliding bar along length
The rack gear that direction extends is provided with transmission bracket on the support tube, transmission mechanism, the biography is provided in the transmission bracket
Driving shaft and driven shaft are provided on dynamic bracket, the transmission mechanism includes that setting is nibbled on the driving shaft with the rack gear
The first gear of conjunction, is provided with the second gear connecting with first gear on the driven shaft, the second gear include with
The click component of the driven axis connection；The second gear is connected with drive sprocket, is provided with after on the vehicle frame
The driven sprocket for taking turns connection, is arranged with chain between the drive sprocket and driven sprocket；Side of the support tube far from vehicle seat
It is foot-operated to be provided with support, slideway is provided on the outside of the support tube, the support is foot-operated to be slidably arranged on slideway, the cunning
It is provided with guide wheel above road, drawstring is connected on the guide wheel, one end of the drawstring and the sliding bar are far from vehicle
One end connection of seat, the other end and the foot-operated connection of the support.
By using above-mentioned technical proposal, in riding bicycle, the foot of people tramples to set foot on people in support leg, and buttocks is sat
On vehicle seat, drawstring moves sliding bar towards seat side when people foot has an effect, then user
Foot leaves to support to ride and gravity is applied on sliding bar by the buttocks of people, and sliding bar is made to be directed away from seat side fortune
Dynamic, one side sliding bar is rotated when sliding by rack drives first gear, is driven after first gear rotation by second gear
Driven shaft rotation, second gear are arranged on driven shaft by click, and driven shaft is made to be only capable of one direction rotation, and driven shaft turns
Second gear drives drive sprocket rotation after dynamic, rotates driven sprocket by the transmission of chain, to make bicycle starting row
It sails；Energy storage when another aspect sliding bar slides is in energy storing members；After vehicle seat is located at minimum point, the foot of people places again
It is set foot in support leg, then buttocks leaves vehicle seat, tramples support by self gravity and rides, and keeps support foot-operated towards seat side
Movement is moved by the side that drawstring makes sliding bar be directed away from vehicle seat, by the gravity of people itself as bicycle running
Power reduces physical demands when people's riding bicycle, while increasing the interest in ride.
The present invention is further arranged to: being additionally provided with adjustment gear on the driven shaft, is additionally provided on the driving shaft
Third gear for cooperating with adjustment gear, the adjustment gear sliding are arranged on the driven shaft, the adjustment gear
It include diameter different the 4th gear and the 5th gear, the diameter of the 4th gear is less than the 5th gear, the master
Pass through the engaged transmission between first gear and the 4th gear or third gear and the 5th gear between moving axis and driven shaft.
By using above-mentioned technical proposal, changed between driven shaft and driving shaft by the adjustment gear being arranged on driven shaft
Transmission ratio improve city bicycles in order to which user selects suitable transmission ratio according to actual landform of riding and rode
Comfort level in journey.
The present invention is further arranged to: annular groove is offered on the 5th gear, the section of the annular groove is L-shaped to be set
It sets, the pull rod of L-type is provided in the annular groove, the adjustment gear is slided on the driven shaft after the pull rod pulls.
By using above-mentioned technical proposal, pull rod is connect by annular groove with the 5th gear, and the 5th gear is in rotation process
Middle ring wire casing rotates with it, and avoids the interference between pull rod and the 5th gear, and adjustment gear is in driven shaft after pull rod pulls
Upper sliding, so that the adjustment between different drive ratios gear is realized, in order to which people is switched in ride by pull rod.
The present invention is further arranged to: being provided with transition axis in the transmission bracket, is provided on the transition axis and institute
The 6th gear of second gear engagement is stated, the drive sprocket is arranged on the transition axis and coaxially sets with the 6th gear
It sets.
By using above-mentioned technical proposal, the 6th gear and engaging between second gear on transition axis is arranged in drive sprocket
Effect makes transition axis rotation to drive the rotation of drive sprocket, and drive sprocket is separated with adjustment gear, avoided by transition axis
People adjusts the Caton that transmission ratio bicycle occurs by adjustment gear, improves the process during bicycle running.
The present invention is further arranged to: being provided with deboost axle in the transmission bracket, is provided on the deboost axle and the
The 7th gear and the frictional disk for deceleration of six gears engagement, are provided with the friction opposite with frictional disk in the transmission bracket
Wheel, the friction pulley slides along the deboost axle length direction to be arranged, and the friction pulley is connected with for controlling friction slipping
Control mechanism.
By using above-mentioned technical proposal, engaged between the 6th gear and the 7th gear, by friction pulley and frictional disk it
Between rubbing action, make the rotation of the 6th gear by resistance, to make the rotation of drive sprocket by resistance, and then reduce city
The travel speed of city's bicycle.
The present invention is further arranged to: cylindrical bearing is provided on the deboost axle, the frictional disk passes through the cylinder
Bearing is rotatably arranged on the deboost axle.
By using above-mentioned technical proposal, cylindrical bearing separates frictional disk with deboost axle, when frictional disk is towards friction pulley
Side movement and with frictional disk after friction pulley abutting with deboost axle together with rotate, to make the rotation of drive sprocket by resistance,
Cylindrical bearing makes friction pulley intermittent rotary, extends the service life of frictional disk.
The present invention is further arranged to: the frictional disk further includes having the eighth gear engaged with the rack gear.
By using above-mentioned technical proposal, the eighth gear being engaged with rack being arranged on frictional disk, when frictional disk with rub
After wiping wheel abutting, frictional disk rotates together with deboost axle, is turned transition axis by the engagement between eighth gear and rack gear
Energy when dynamic is converted into the movement of rack gear, and the energy of braking consumption is converted into the potential energy of sliding bar or is stored in energy storing members
It is interior, convenient for restarting or accelerating after city bicycles braking.
The present invention is further arranged to: the support tube includes the channel for sliding bar sliding, in the channel
It is provided with the slide assemblies for being used to reduce frictional force along support tube length direction distribution several groups.
By using above-mentioned technical proposal, the smoothness that sliding bar moves back and forth in support rod is improved by slide assemblies
Property, avoid sliding bar stuck in support tube.
The present invention is further arranged to: the slide assemblies include the bearing for being arranged in channel and abutting with sliding bar
Or ball, the bearing or ball are distributed in the side of the sliding bar.
By using above-mentioned technical proposal, sliding bar is rolled by the abutting of bearing or ball and is arranged in support tube,
When reducing the frictional force between support tube and sliding bar, while safeguarding only need to lubricate to be applied on sliding bar that lubricating oil can be made
It is uniformly applied on the bearing or ball in support tube, convenient for the maintenance of city bicycles.
The present invention is further arranged to: the energy storing members are the elongation spring being arranged in support tube, the elongation spring
The sliding bar is pulled to move towards far from seat side.
It by using above-mentioned technical proposal, extends spring and sliding bar is pulled to move towards far from seat side, keep support foot-operated
Positioned at the middle part of slideway, support can be ridden when getting on the bus and be trampled in slide bottom by people, and people is pushed after getting on the bus using self gravity
Vehicle seat, which moves downward, can make bicycle running, convenient for the starting of city bicycles.
In conclusion the present invention has the effect that
1, city self-forming has shortened the transmission levers of foot pedal type bicycle, uses convenient for bicyclist；
2, the driving force of city bicycles when driving is converted by the gravity of people itself, substantially increases city bicycles
Cruising ability；
3, energy when braking is stored with the contraction of the potential energy of sliding bar and elongation spring, is convenient for city self-forming system
Restarting after dynamic further accelerates；
4, enjoyment of the people in riding bicycle is substantially increased.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described.
Fig. 1 is the overall structure diagram of city bicycles；
Fig. 2 is the schematic diagram of internal structure of support tube and sliding bar；
Fig. 3 is support tube cross-sectional view, is mainly used for embodying the slide assemblies in support tube；
Fig. 4 is the overall structure diagram of transmission bracket and transmission mechanism；
Fig. 5 is the overall structure diagram of sliding bar.
In figure: 1, vehicle frame；11, support tube；111 channels；12, transmission bracket；121, driving shaft；122, driven shaft； 123,
Transition axis；124, deboost axle；125, pull rod；13, slideway；14, support is foot-operated；15, guide wheel；16, drawstring；2, front-wheel；3, after
Wheel；4, sliding bar；41, rack gear；5, vehicle seat；6, spring is extended；7, transmission mechanism；71, first gear；72, second gear；73,
Third gear；74, the 4th gear；75, the 5th gear；751, annular groove；76, the 6th gear；77, the 7th gear；8, chain wheel set
Part；81, drive sprocket；82, driven sprocket；83, chain；9, brake assemblies；91, friction pulley；92, frictional disk；93, cylindrical shaft
It holds；94, eighth gear；10, slide assemblies；101, bearing；21, control mechanism；211, sleeve；2111, guide line；212, it abuts
Block；2121, connecting column；213, thrust ball bearing；214, torsional spring.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
As shown in Figures 1 to 5, a kind of city bicycles include vehicle frame 1, rotate and set respectively in the front and rear sides of vehicle frame 1
It is equipped with front-wheel 2 and rear-wheel 3, vehicle frame 1 includes the support tube 11 being arranged along the vertical direction, and support tube 11 exists in hollow setting,
Sliding is provided with sliding bar 4 in support tube 11, and the end of sliding bar 4 is provided with vehicle seat 5, side of the sliding bar 4 far from vehicle seat 5
It is plugged in support tube 11, the energy storing members for absorbing excess energy is additionally provided in support tube 11, energy storing members are connection 4 He of sliding bar
The elongation spring 6 of support tube 11, elongation spring 6 make sliding bar 4 be directed away from the movement of 5 side of vehicle seat；Edge is provided on sliding bar 4
The rack gear 41 that length direction extends is provided with transmission bracket 12 on support tube 11, is provided in transmission bracket 12 by rack gear
41 reciprocating motion is converted into the transmission mechanism 7 of rotation, and transmission mechanism 7 includes the active being rotatably arranged in transmission bracket 12
Axis 121 and driven shaft 122, are provided with the first gear 71 engaged with above-mentioned rack gear 41 on driving shaft 121, first gear 71 with
Driving shaft 121 is cooperatively connected by key and keyway, is provided with the second gear 72 connecting with first gear 71 on driven shaft 122,
Second gear 72 includes the click component connecting with driven shaft 122, and click component makes second gear 72 be only capable of list
Direction drives driven shaft 122 to rotate, and the rotation of driven shaft 122 is influenced when first gear 71 being avoided to invert；Second gear 72
It is connected with drive sprocket 81, the driven sprocket 82 connecting with rear-wheel 3, drive sprocket 81 and driven sprocket 82 are provided on vehicle frame 1
Between be arranged with chain 83, drive driven sprocket 82 to rotate by the rotation of drive sprocket 81, to make the reciprocating motion of rack gear 41
It is converted into the rotation of rear-wheel 3, and then makes bicycle running；The side of vehicle seat 5 is provided with support foot-operated 14 in support tube 11,
The outside of support tube 11 is provided with slideway 13, and support foot-operated 14 is slidably arranged on above-mentioned slideway 13, sets in the top of slideway 13
It is equipped with guide wheel 15, drawstring 16, one end of drawstring 16 and the described one end of sliding bar 4 far from vehicle seat 5 are connected on guide wheel 15
Connection, the other end are connect with the support foot-operated 14, make sliding bar 4 by drawstring 16 when the foot trampling support of people rides 14
It is slided towards 5 side of vehicle seat, makes sliding bar 4 that there is the stroke of slide downward.
The transmission ratio of transmission mechanism 7 is adjusted in ride for the ease of user, is additionally provided with tune on driven shaft 122
Gear is saved, the third gear 73 for cooperating with adjustment gear is provided on driving shaft 121, adjustment gear sliding is arranged above-mentioned
On driven shaft 122, adjustment gear includes different the 4th gear 74 and the 5th gear 75 of diameter, and the diameter of the 4th gear 74 is small
In the 5th gear 75, pass through first gear 71 and the 4th gear 74 or third gear between driving shaft 121 and driven shaft 122
73 and the 5th engaged transmission between gear 75；Annular groove 751 is offered on 5th gear 75, the section of annular groove 751 is L-shaped
It is arranged, the pull rod 125 of L-type is provided in annular groove 751, above-mentioned pull rod 125 is slidably arranged in transmission bracket 12 and along driven
The axis direction of axis 122 is arranged, and adjustment gear slide realization first gear 71 and the on driven shaft 122 after pull rod 125 pulls
The switching of four gears 74, third gear 73 and the 5th gear 75, the 4th gear 74 and the 5th gear 75 are integrally formed in this programme
It is arranged and is arranged on driven shaft 122 by spline.
In order to improve the stability in city bicycles driving process, transition axis 123, transition are provided in transmission bracket 12
It is provided with the 6th gear 76 engaged with second gear 72 on axis 123, drive sprocket 81 is arranged on transition axis 123 and with the
The coaxial arrangement of six gears 76.
Further, the invention also provides a kind of brake assemblies 9 to slow down for city bicycles, in transmission bracket 12
It is provided with deboost axle 124, the 7th gear 77 engaged with the 6th gear 76 is provided on deboost axle 124 and for the friction of deceleration
Disk 92, the friction pulley 91 opposite with frictional disk 92 is provided in transmission bracket 12, and friction pulley 91 is sliding along 124 length direction of deboost axle
Setting is moved, friction pulley 91 is connected with the control mechanism 21 for controlling the sliding of friction pulley 91, and control mechanism 21 includes that fixation is set
The sleeve 211 in transmission bracket 12 is set, above-mentioned deboost axle 124, which is worn, penetrates sleeve 211, and the outside of sleeve 211 is provided with screw thread knot
The guide line 2111 of structure, the outside of sleeve 211 is rotatably connected to by guide line 2111 abuts block 212, abuts block 212 and friction
Wheel 91 is fixedly connected, and abuts the connecting column 2121 for being extended on block 212 and pulling for brake cable, and people pulls brake in ride
So that abutting block 212 is rotated by connecting column 2121 after fare, so that the abutting promotion of block 212 is rubbed by the effect of guide line 2111
It wipes wheel 91 to slide on deboost axle 124, for the ease of abutting the reset of block 212, abut between block 212 and transmission bracket 12
It is additionally provided with torsional spring 214, block 212 is abutted and is resetted under the action of torsional spring 214 by being rotated on sleeve 211；This programme
Middle friction pulley 91 is arranged on deboost axle 124 by spline；In order to improve the ability loaded of friction pulley 91, it is remote to abut block 212
Side from transmission bracket 12 is provided with thrust ball bearing 213, and friction pulley 91 is arranged by thrust ball bearing 213 is abutting block
On 212.
In order to extend the service life of frictional disk 92, cylindrical bearing 93 is provided on deboost axle 124, the frictional disk 92 is logical
Cylindrical bearing 93 is crossed to be rotatably arranged on the deboost axle 124；The kinetic energy collecting of bicycle and utilization, described when in order to brake
Frictional disk 92 further includes having the eighth gear 94 engaged with above-mentioned rack gear 41；In bicycle running, the 7th gear 77 and the 6th
The engagement of gear 76 divides frictional disk 92 with deboost axle 124 under the action of cylindrical bearing 93 to make deboost axle 124 rotate
From avoiding city bicycles from interfering problem in ride middle friction tray 92 and rack gear 41；When bicycle slows down, abut
Block 212 rotates on sleeve 211 makes to abut the promotion friction pulley 91 of block 212 towards the movement of 92 side of frictional disk and and frictional disk
92 abut, and friction pulley 91 rotates frictional disk 92 with deboost axle 124, pass through eighth gear 94 and rack gear
41 engagement slides sliding bar 4, thus by the energy stores in moderating process in elongation spring 6.
In order to improve the stability that sliding bar 4 slides in support tube 11, support tube 11 includes sliding for sliding bar 4
Channel 111 is provided with the Slide Group for being used to reduce frictional force along 11 length direction of support tube distribution several groups in channel 111
Part 10, slide assemblies 10 include the bearing 101 or ball for being arranged in channel 111 and abutting with sliding bar 4, bearing 101 or
Ball is distributed in the side of the sliding bar 4.
The gear for not doing specified otherwise in this programme is cooperated by way of key and keyway with axis.
Specific implementation process:
People in riding bicycle, trample in support foot-operated 14, and buttocks is sitting on vehicle seat 5, people foot hair by the foot of people
Drawstring 16 moves sliding bar 4 towards 5 side of vehicle seat when power, and then support is left by user foot
Foot-operated 14 are applied to gravity on sliding bar 4 by the buttocks of people, so that sliding bar 4 is directed away from the movement of 5 side of vehicle seat, on the one hand
First gear 71 is driven to rotate by rack gear 41 when sliding bar 4 slides, first gear 71 is driven after rotating by second gear 72
Driven shaft 122 rotates, and second gear 72 is arranged on driven shaft 122 by click, and driven shaft 122 is made to be only capable of one direction
Rotation, second gear 72 drives drive sprocket 81 to rotate after driven shaft 122 rotates, and makes driven sprocket 82 by the transmission of chain 83
Rotation, so that bicycle be made to start running；Energy storage when another aspect sliding bar 4 slides is in energy storing members；Vehicle seat 5 is located at
After minimum point, the foot of people is again placed in support foot-operated 14, and then buttocks leaves vehicle seat 5, tramples branch by self gravity
Support foot steps on 14, moves support foot-operated 14 towards 5 side of vehicle seat, so that sliding bar 4 is directed away from the side of vehicle seat 5 by drawstring 16
Movement, the power by the gravity of people itself as bicycle running reduce physical demands when people's riding bicycle, increase simultaneously
Add the interest in ride.
It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the premise of the invention,
Various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Claims (10)
1. a kind of city bicycles include vehicle frame (1), rotation is provided with front-wheel (2) and rear-wheel (3) on the vehicle frame (1),
It is characterized in that, the vehicle frame (1) includes the support tube (11) being arranged along the vertical direction, sliding setting in the support tube (11)
Have sliding bar (4), the end of the sliding bar (4) is provided with vehicle seat (5) and side of the sliding bar (4) far from vehicle seat (5)
Setting is provided with the energy storing members connecting with support rod in the support tube (11) in the support tube (11)；The sliding bar
(4) it is provided with the rack gear (41) extended along length direction on, is provided with transmission bracket (12), institute on the support tube (11)
It states and is provided on transmission bracket (12) transmission mechanism (7), be provided with driving shaft (121) and driven shaft on the transmission bracket (12)
(122), the transmission mechanism (7) includes the first tooth that setting is engaged on the driving shaft (121) with the rack gear (41)
It takes turns (71), is provided with the second gear (72) connecting with first gear (71), the second gear on the driven shaft (122)
It (72) include the click component being connect with the driven shaft (122)；The second gear (72) is connected with drive sprocket
(81), the driven sprocket (82) connecting with rear-wheel (3), the drive sprocket (81) and driven chain are provided on the vehicle frame (1)
Chain (83) are arranged between wheel (82)；The support tube (11) is provided with support far from the side of vehicle seat (5) and rides (14), described
It is provided on the outside of support tube (11) slideway (13), described that foot-operated (14) is supported to be slidably arranged on slideway (13), the slideway
(13) it is provided with above guide wheel (15), is connected with drawstring (16) on the guide wheel (15), one end of the drawstring (16)
It is connect with the sliding bar (4) far from the one end of vehicle seat (5), the other end supports foot-operated (14) to connect with described.
2. a kind of city bicycles according to claim 1, which is characterized in that be additionally provided on the driven shaft (122)
Adjustment gear is additionally provided with the third gear (73) for cooperating with adjustment gear, the adjusting tooth on the driving shaft (121)
Wheel slip is arranged on the driven shaft (122), and the adjustment gear includes different the 4th gear (74) and the 5th of diameter
The diameter of gear (75), the 4th gear (74) is less than the 5th gear (75), the driving shaft (121) and driven shaft
(122) by engaging biography between first gear (71) and the 4th gear (74) or third gear (73) and the 5th gear (75) between
It is dynamic.
3. a kind of city bicycles according to claim 2, which is characterized in that offer ring on the 5th gear (75)
Shape slot (751), the L-shaped setting in section of the annular groove (751), the interior pull rod for being provided with L-type of the annular groove (751)
(125), the adjustment gear is slided on the driven shaft (122) after the pull rod (125) pulls.
4. a kind of city bicycles according to claim 3, which is characterized in that be provided on the transmission bracket (12)
It crosses axis (123), the 6th gear (76) engaged with the second gear (72), the master is provided on the transition axis (123)
Movable sprocket (81) is arranged on the transition axis (123) and is coaxially disposed with the 6th gear (76).
5. a kind of city bicycles according to claim 1, which is characterized in that be provided with and subtract on the transmission bracket (12)
Fast axis (124) is provided with the 7th gear (77) engaged with the 6th gear (76) on the deboost axle (124) and for deceleration
Frictional disk (92) is provided on the transmission bracket (12) and frictional disk (92) opposite friction pulley (91), the friction pulley
(91) it slides and is arranged along the deboost axle (124) length direction, the friction pulley (91) is connected with for controlling friction pulley (91)
The control mechanism (21) of sliding.
6. a kind of city bicycles according to claim 5, which is characterized in that be provided with circle on the deboost axle (124)
Axis of a cylinder is held (93), and the frictional disk (92) is held by the cylindrical bearing (93) and is rotatably arranged on the deboost axle (124).
7. a kind of city bicycles according to claim 5 or 6, which is characterized in that the frictional disk (92) further includes having
The eighth gear (94) engaged with the rack gear (41).
8. a kind of city bicycles according to claim 1, which is characterized in that the support tube (11) includes for described
The channel (111) of sliding bar (4) sliding, the channel (111) is interior to be provided with along the support tube (11) if length direction is distributed
Group is done for reducing the slide assemblies (10) of frictional force.
9. a kind of city bicycles according to claim 8, which is characterized in that the slide assemblies (10) include setting
The bearing (101) or ball abutted in channel (111) and with sliding bar (4), the bearing (101) or ball are distributed in described
The side of sliding bar (4).
10. a kind of city bicycles according to claim 1, which is characterized in that the energy storing members are to be arranged in support tube
(11) the elongation spring (6) in, the elongation spring (6) pull the sliding bar (4) to move towards far from vehicle seat (5) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810638296.8A CN108945262B (en) | 2018-06-20 | 2018-06-20 | City bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810638296.8A CN108945262B (en) | 2018-06-20 | 2018-06-20 | City bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108945262A true CN108945262A (en) | 2018-12-07 |
| CN108945262B CN108945262B (en) | 2020-08-14 |
Family
ID=64490335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810638296.8A Expired - Fee Related CN108945262B (en) | 2018-06-20 | 2018-06-20 | City bicycle |
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| Country | Link |
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| CN (1) | CN108945262B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675292A (en) * | 2019-02-02 | 2019-04-26 | 刘巍 | A kind of ice face taxi procedure |
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| US3948542A (en) * | 1975-02-13 | 1976-04-06 | Aleksander Lukich | Bicycle with auxiliary seat drive |
| CN2174414Y (en) * | 1992-11-05 | 1994-08-17 | 李皛 | Device for utilizing jolt energy of bicycle or manpower tricycle |
| DE19829412A1 (en) * | 1998-07-01 | 2000-01-05 | Walter Stein | Man-machine activity system, especially for bicycles or sporting equipment |
| CN2578221Y (en) * | 2002-11-15 | 2003-10-08 | 刘世英 | Saddle accelerating bicycles |
| CN203511957U (en) * | 2013-08-02 | 2014-04-02 | 王子恒 | Bicycle requiring rider to sit and stand alternately for riding |
| CN104477312A (en) * | 2014-11-12 | 2015-04-01 | 戴洪波 | Bicycle gravity assisting device |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB186435A (en) * | 1921-07-02 | 1922-10-02 | George William Mitchell | Improvements in and relating to the propulsion of cycles |
| FR777136A (en) * | 1934-08-13 | 1935-02-12 | Sports toy | |
| US3948542A (en) * | 1975-02-13 | 1976-04-06 | Aleksander Lukich | Bicycle with auxiliary seat drive |
| CN2174414Y (en) * | 1992-11-05 | 1994-08-17 | 李皛 | Device for utilizing jolt energy of bicycle or manpower tricycle |
| DE19829412A1 (en) * | 1998-07-01 | 2000-01-05 | Walter Stein | Man-machine activity system, especially for bicycles or sporting equipment |
| CN2578221Y (en) * | 2002-11-15 | 2003-10-08 | 刘世英 | Saddle accelerating bicycles |
| CN203511957U (en) * | 2013-08-02 | 2014-04-02 | 王子恒 | Bicycle requiring rider to sit and stand alternately for riding |
| CN104477312A (en) * | 2014-11-12 | 2015-04-01 | 戴洪波 | Bicycle gravity assisting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109675292A (en) * | 2019-02-02 | 2019-04-26 | 刘巍 | A kind of ice face taxi procedure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108945262B (en) | 2020-08-14 |
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