CN207809665U - A kind of shared bicycle of mechanical energy-saving type - Google Patents
A kind of shared bicycle of mechanical energy-saving type Download PDFInfo
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- CN207809665U CN207809665U CN201721887618.XU CN201721887618U CN207809665U CN 207809665 U CN207809665 U CN 207809665U CN 201721887618 U CN201721887618 U CN 201721887618U CN 207809665 U CN207809665 U CN 207809665U
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Abstract
The utility model is related to a kind of mechanical energy-saving types to share bicycle, including car body, car body is equipped with pedal, front axle, front axle fluted disc, chain, rear axle gear, trailing wheel, going barrel, export locking mechanism, output chain gear, forward drive wheel, acceleration cable assembly, feedback sprocket wheel, brake bracing wire assembly and power-assisted sprocket wheel, the axle center of the transmission axis connection output chain gear of going barrel, locking mechanism is exported to hold tightly on the transmission shaft of going barrel, side of the forward drive wheel between output chain gear and power-assisted sprocket wheel, acceleration cable assembly is separately connected forward drive wheel and output locking mechanism, the other side of the feedback sprocket wheel between output chain gear and power-assisted sprocket wheel, brake bracing wire assembly is separately connected feedback sprocket wheel and output locking mechanism, chain is set on front axle fluted disc and rear axle gear, and it is meshed with power-assisted sprocket wheel.Compared with prior art, the utility model has many advantages, such as that energy and labour saving, low manufacture cost, brake energy can feedbacks.
Description
Technical field
The utility model is related to technical field of bicycles, share bicycle more particularly, to a kind of mechanical energy-saving type.
Background technology
Shared bicycle refers to that enterprise carries in campus, subway station, bus station, residential block, shopping centre, common service area etc.
For bicycle bicycle shared service.Shared bicycle includes sharing manpower bicycle and electronic shared bicycle, existing shared manpower bicycle,
Middle comparison of riding consumes one's strength；Electronic shared single vehicle cost is higher, and time to recharge is long.
In ride, battery truck out of power, motorcycle do not have oil, and when cannot be charged or be refueled, and just give bicyclist
Bring prodigious obstacle, the use of fuel oil, scrapping for battery that can all cause certain pollution to environment, then there have been hairs
Bicycle, existing spring motor bicycle is all that the muscle power of people is converted to power-reserve in clockwork in ride
In, it is then discharging, according to conservation of energy principle, the muscle power of the energy or people stored also has in transfer process certain
Consumption, be finally involved or user.I.e. existing spring motor bicycle does not have energy charging device, can not completely disengage manpower and ride.
Utility model content
The purpose of this utility model is exactly to provide a kind of mechanical energy storage to overcome the problems of the above-mentioned prior art
Formula shares bicycle, has many advantages, such as that energy and labour saving, low manufacture cost, brake energy can feedbacks.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of shared bicycle of mechanical energy-saving type, including car body, the car body are equipped with pedal, front axle, front axle fluted disc, chain
Item, rear axle gear and trailing wheel, the mechanical energy-saving type share bicycle further include be set to car body on going barrel, output locking mechanism,
Output chain gear, forward drive wheel, acceleration cable assembly, feedback sprocket wheel, brake bracing wire assembly and power-assisted sprocket wheel, the going barrel
It is driven the axle center of axis connection output chain gear, the output locking mechanism is held tightly on the transmission shaft of going barrel, the output chain gear,
Power-assisted sprocket wheel and front axle fluted disc are from top to bottom set gradually, and the forward drive wheel is between output chain gear and power-assisted sprocket wheel
Side, the acceleration cable assembly are separately connected forward drive wheel and output locking mechanism, and acceleration cable assembly pulls positive drive
Driving wheel makes forward drive wheel that can touch output chain gear and power-assisted sprocket wheel simultaneously, and it is defeated that acceleration cable assembly pulls output locking mechanism to make
Go out locking mechanism unclamp going barrel transmission shaft, the other side of the feedback sprocket wheel between output chain gear and power-assisted sprocket wheel,
The brake bracing wire assembly is separately connected feedback sprocket wheel and output locking mechanism, and brake bracing wire assembly pulls feedback sprocket wheel to make forward direction
Driving wheel can touch output chain gear and power-assisted sprocket wheel simultaneously, steering of the output chain gear when being engaged with forward drive wheel with feedback
Steering when sprocket engagement is on the contrary, brake bracing wire assembly pulls the biography that output locking mechanism makes output locking mechanism unclamp going barrel
Moving axis, the chain is set on front axle fluted disc and rear axle gear, and is meshed with power-assisted sprocket wheel, before the front axle fluted disc passes through
Axis is connect with pedal, and the rear axle gear is connect by rear axle with trailing wheel.
The output locking mechanism includes holding hoop, pull rod and friction plate tightly, the transmission held cuff tightly and be located at going barrel
On axis, the both ends for holding hoop tightly are respectively equipped with a lifting lug, and the pull rod passes through two lifting lugs, holding bullet is arranged on one end of pull rod
The other end of spring, pull rod is separately connected acceleration cable assembly and brake bracing wire assembly, and the friction plate is set to the inner wall for holding hoop tightly
On.
Further include energy charging device, the energy charging device includes that sequentially connected motor, reduction box and limit turn round device, and the limit is turned round
Device connects the transmission shaft of going barrel.
The acceleration cable assembly includes oil door handle and acceleration cable, and the oil door handle connects the one of acceleration cable
The other end at end, the acceleration cable is separately connected forward drive wheel and output locking mechanism, and the brake bracing wire assembly includes
Brake handle and brake bracing wire, one end of the brake handle connection brake bracing wire, the other end of the brake bracing wire connect respectively
Take back feedback sprocket wheel and output locking mechanism.
The oil door handle and brake handle are symmetricly set on the handle of car body.
The power-assisted sprocket wheel includes the first power-assisted wheel being meshed and the second power-assisted sub- wheel, the second power-assisted wheel with
Chain is meshed, and the forward drive wheel is one, and accessible first power-assisted wheel and output chain gear, the feedback sprocket bag
Include the first feedback wheel being meshed and the second feedback sub- wheel, the accessible output chain gear of the first feedback sub- wheel, described second
The accessible first power-assisted sub- wheel of feedback sub- wheel.
The front axle is connect using one-way clutch mode with front axle fluted disc.
The rear axle gear uses fixed sprocket.
Compared with prior art, the utility model has the following advantages：
1, it is shared on bicycle in available man-power, installs spiral power spring storaging energy device --- going barrel additional, by exporting locking mechanism limit
System output；It is commutated by gear drive and realizes the commutation of torque output；Bracing wire of braking locks connection with feedback sprocket wheel and output, can
, by going barrel and trailing wheel Opposite direction connection, and to open output locking mechanism in brake, realization energy feedback；Acceleration cable with just
To driving wheel and the locked connection of output, and output locking mechanism is opened, can realized going barrel and trailing wheel just in open out
To connection, energy output is realized；Realize that energy is filled in outside by external energy charging device.
2, bicycle energy and labour saving, and the energy charging device being arranged by road roadside are shared than manpower, constantly fills energy.There is no energy
When easily manpower still may be implemented ride, and braking energy can be recycled when braking.
3, lower than electronic shared single vehicle cost, and time to recharge shortens 99%（It foreshortens within 8 hours 2 minutes）.
4, than common spring motor bicycle, energy charging device is increased, and can realize brake energy feedback.
5, mechanical energy-saving type shares bicycle structure simply and reasonable design, passes through the fixation that fixed sprocket realizes rear axle and chain
Transmission, and realize that manpower unidirectionally inputs by the front axle of one-way clutch.
Description of the drawings
Fig. 1 is the overall structure diagram that the utility model mechanical energy-saving type shares bicycle；
Fig. 2 is the structural schematic diagram for exporting locking mechanism；
Fig. 3 is the drive connection schematic diagram that the utility model mechanical energy-saving type shares bicycle；
Fig. 4 is that the position under manpower cycling process between output chain gear, forward drive wheel, feedback sprocket wheel and power-assisted sprocket wheel is closed
It is schematic diagram；
Fig. 5 is that the position under throttle power-assisted process between output chain gear, forward drive wheel, feedback sprocket wheel and power-assisted sprocket wheel is closed
It is schematic diagram；
Fig. 6 is that the position under braking energy regenerative process between output chain gear, forward drive wheel, feedback sprocket wheel and power-assisted sprocket wheel is closed
It is schematic diagram；
Fig. 7 is the inside connection diagram of energy charging device.
In figure, 1, car body, 2, pedal, 3, front axle, 4, front axle fluted disc, 5, chain, 6, rear axle, 7, trailing wheel, 8, going barrel,
801, transmission shaft, 10, output locking mechanism, 101, hold hoop tightly, 102, pull rod, 103, friction plate, 104, hold spring tightly, 105, hang
Ear, 11, output chain gear, 12, forward drive wheel, 13, acceleration cable assembly, 131, oil door handle, 132, acceleration cable, 14, return
Present sprocket wheel, the 141, first feedback sub- wheel, the 142, second feedback sub- wheel, 15, brake bracing wire assembly, 151, brake handle, 152, stop
Vehicle bracing wire, 16, power-assisted sprocket wheel, the 161, first power-assisted sub- wheel, the 162, second power-assisted sub- wheel, 17, energy charging device, 171, motor,
172, reduction box, 173, limit turn round device.
Specific implementation mode
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model
Implemented premised on technical solution, gives detailed embodiment and specific operating process, but the guarantor of the utility model
Shield range is not limited to following embodiments.
As shown in figures 1 and 3, a kind of mechanical energy-saving type shares bicycle, including car body 1 and energy charging device 17, is set on car body 1
There are pedal 2, front axle 3, front axle fluted disc 4, chain 5, rear axle gear and trailing wheel 7, it further includes being set to which, which shares bicycle,
Going barrel 8, output locking mechanism 10, output chain gear 11, forward drive wheel 12, acceleration cable assembly 13, feedback chain on car body 1
Wheel 14, brake bracing wire assembly 15 and power-assisted sprocket wheel 16, the transmission shaft 801 of going barrel 8 connect the axle center of output chain gear 11, going barrel
8 transmission shaft 801 can supplement energy with external energy charging device 17, and output locking mechanism 10 holds the transmission shaft in going barrel 8 tightly
On 801, output chain gear 11, power-assisted sprocket wheel 16 and front axle fluted disc 4 are from top to bottom set gradually, and forward drive wheel 12 is located at output chain
Side between wheel 11 and power-assisted sprocket wheel 16, acceleration cable assembly 13 include oil door handle 131 and acceleration cable 132, throttle handle
Hand 131 connects one end of acceleration cable 132, and the other end of acceleration cable 132 is separately connected forward drive wheel 12 and output is locked
Mechanism 10, acceleration cable 132 pull forward drive wheel 12 to make forward drive wheel 12 that can touch output chain gear 11 and force aid chain simultaneously
Wheel 16, acceleration cable 132 pull the transmission shaft 801 that output locking mechanism 10 makes output locking mechanism 10 unclamp going barrel 8, feedback
The other side of the sprocket wheel 14 between output chain gear 11 and power-assisted sprocket wheel 16, brake bracing wire assembly 15 include 151 He of brake handle
Brake bracing wire 152, one end of the connection brake bracing wire 152 of brake handle 151, the other end of brake bracing wire 152 are separately connected feedback
Sprocket wheel 14 and output locking mechanism 10, brake bracing wire 152 pull feedback sprocket wheel 14 to make forward drive wheel 12 that can touch output simultaneously
Sprocket wheel 11 and power-assisted sprocket wheel 16, when steering of the output chain gear 11 when being engaged with forward drive wheel 12 with feedback sprocket wheel 14 with engaging
Steering on the contrary, brake bracing wire 152 pull output locking mechanism 10 make output locking mechanism 10 unclamp going barrel 8 transmission shaft
801, chain 5 is set on front axle fluted disc 4 and rear axle gear, and is meshed with power-assisted sprocket wheel 16, and front axle fluted disc 4 passes through front axle 3
It is connect with pedal 2, rear axle gear is connect by rear axle 6 with trailing wheel 7, and front axle 3 is connected using one-way clutch mode and front axle fluted disc 4
Connecing, single-direction transmission may be implemented --- manpower pedal strength can input to chain 5, but the power of chain 5 will not be passed reversely
Pedal 2 is passed, rear axle gear uses fixed sprocket.
As shown in fig. 7, energy charging device 17, which includes sequentially connected motor 171, reduction box 172 and limit, turns round device 173, limit turns round device
173 connect the transmission shaft 801 of going barrel 8 filling when energy operation, fill energy to going barrel 8.
It is shared on bicycle in available man-power, installs spiral power spring storaging energy device --- going barrel 8 additional, limited by exporting locking mechanism 10
System output；It is commutated by gear drive and realizes the commutation of torque output；Bracing wire 152 of braking is locked with feedback sprocket wheel 14 and output to be connected
It connects, can be in brake by going barrel 8 and 7 Opposite direction connection of trailing wheel, and output locking mechanism 10 is opened, realize energy feedback；Oil
Door bracing wire 132 and forward drive wheel 12 and the locked connection of output, and output locking mechanism 10 is opened, it can be in open out, it will
Going barrel 8 realizes positive connection with trailing wheel 7, realizes energy output；Realize that energy is filled in outside by external energy charging device 17.Machinery storage
Energy formula shares bicycle structure simply and reasonable design, and the fixed conveyor of rear axle 6 and chain 5 is realized by fixed sprocket, and passes through
The front axle 3 of one-way clutch realizes that manpower unidirectionally inputs.
Output locking mechanism 10 is a set of mechanism to output chain gear 11 " locked/to unclamp ", defeated in no throttle and brake
When the state entered, it is in " locked " state, when having throttle or brake input, is in " state of release ".As shown in Fig. 2, defeated
Go out on the transmission shaft 801 that locking mechanism 10 is mounted between going barrel 8 and output chain gear 11, including holds hoop 101, pull rod 102 tightly
With friction plate 103, hold hoop 101 tightly and be set on the transmission shaft 801 of going barrel 8, and hold hoop 101 tightly and be fixed on car body 1 ---
Not as output chain gear 11 rotates, the both ends for holding hoop 101 tightly are respectively equipped with a lifting lug 105, and pull rod 102 passes through two lifting lugs 105,
It is arranged on one end of pull rod 102 and holds spring 104 tightly, the other end of pull rod 102 is separately connected acceleration cable 132 and brake bracing wire
152, friction plate 103 is set on the inner wall for holding hoop 101 tightly.When not having external input, the pretightning force of spring 104 is held tightly by embracing
Lock ring 101 is transmitted on friction plate 103, applies brake force, the limitation idle running output of going barrel 8 to output chain gear 11.
When brake bracing wire 152 and the input pulling force of acceleration cable 132, overcomes the pretightning force of " holding spring 104 tightly ", " will hold tightly
Hoop 101 " unclamps, and friction plate 103 decreases up to zero for the brake force of output chain gear 11.
Power-assisted sprocket wheel 16 includes the first power-assisted wheel 161 and the second power-assisted wheel 162 being meshed, the second power-assisted sub- wheel
162 are meshed with chain 5, and forward drive wheel 12 is one, and accessible first power-assisted wheel 161 and output chain gear 11, feedback
Sprocket wheel 14 includes the first feedback wheel 141 and the second feedback wheel 142 being meshed, the 141 accessible output of the first feedback wheel
Sprocket wheel 11,142 accessible first power-assisted wheel 161 of the second feedback wheel.Pass through the design of each transmission gear so that output chain gear
Steering when 11 steering when being engaged with forward drive wheel 12 with feedback sprocket wheel 14 with engaging has simultaneously on the contrary, enabling and sharing bicycle
There are the function of power-assisted and energy regenerative, environmental benefit good.
Oil door handle 131 and brake handle 151 are symmetricly set on the handle of car body 1.Oil door handle 131 and brake handle
151 structure can be the same as the parking brake grip structure of ordinary bicycle.
The operation principle that above-mentioned mechanical energy-saving type shares bicycle is as follows：
1）Manpower cycles process：As shown in figure 4, output locking mechanism 10 is in acceleration cable assembly 13 and brake bracing wire assembly
15 when not working, and in locking state is held tightly, going barrel 8 does not work, and drives car body 1 to move ahead by pedal 2；
2）Throttle power-assisted process：As shown in figure 5, acceleration cable assembly 13 works, acceleration cable 132 pulls forward drive wheel
12 make forward drive wheel 12 be meshed simultaneously with output chain gear 11 and power-assisted sprocket wheel 16, and acceleration cable 132 also pulls output locked
Mechanism 10 makes output locking mechanism 10 unclamp the transmission shaft 801 of going barrel 8, and the transmission shaft 801 of going barrel 8, which drives, at this time exports chain
11 rotation of wheel, is transferred to chain 5 through forward drive wheel 12, power-assisted sprocket wheel 16, moves ahead to car body 1 and provide power-assisted successively；
3）Brake energy regenerative process：As shown in fig. 6, brake bracing wire assembly 15 works, brake bracing wire 152 pulls feedback sprocket wheel 14
Forward drive wheel 12 is set to be meshed simultaneously with output chain gear 11 and power-assisted sprocket wheel 16, brake bracing wire 152 also pulls output to lock machine
Structure 10 make output locking mechanism 10 unclamp going barrel 8 transmission shaft 801, the steering of output chain gear 11 at this time with forward drive wheel
Steering when 12 engagement postbacks energy back when braking in barrel 8 on the contrary, under 7 effect of inertia of trailing wheel, and final realize is stopped
Vehicle.
Claims (8)
1. a kind of mechanical energy-saving type shares bicycle, including car body（1）, the car body（1）It is equipped with pedal（2）, front axle（3）, it is preceding
Axis fluted disc（4）, chain（5）, rear axle gear and trailing wheel（7）, which is characterized in that it further includes being set to that the mechanical energy-saving type, which shares bicycle,
Car body（1）On going barrel（8）, output locking mechanism（10）, output chain gear（11）, forward drive wheel（12）, acceleration cable it is total
At（13）, feedback sprocket wheel（14）, brake bracing wire assembly（15）With power-assisted sprocket wheel（16）, the going barrel（8）Transmission shaft（801）
Connect output chain gear（11）Axle center, the output locking mechanism（10）It holds tightly in going barrel（8）Transmission shaft（801）On, institute
State output chain gear（11）, power-assisted sprocket wheel（16）With front axle fluted disc（4）It from top to bottom sets gradually, the forward drive wheel（12）Position
In output chain gear（11）With power-assisted sprocket wheel（16）Between side, the acceleration cable assembly（13）It is separately connected forward drive wheel
（12）With output locking mechanism（10）, acceleration cable assembly（13）Pull forward drive wheel（12）Make forward drive wheel（12）It can be same
When touch output chain gear（11）With power-assisted sprocket wheel（16）, acceleration cable assembly（13）Pull output locking mechanism（10）Output is set to lock
Crash structure（10）Unclamp going barrel（8）Transmission shaft（801）, the feedback sprocket wheel（14）Positioned at output chain gear（11）With force aid chain
Wheel（16）Between the other side, the brake bracing wire assembly（15）It is separately connected feedback sprocket wheel（14）With output locking mechanism
（10）, brake bracing wire assembly（15）Pull feedback sprocket wheel（14）Make forward drive wheel（12）Output chain gear can be touched simultaneously（11）With
Power-assisted sprocket wheel（16）, output chain gear（11）With forward drive wheel（12）Steering when engagement with feedback sprocket wheel（14）When engagement
Steering on the contrary, brake bracing wire assembly（15）Pull output locking mechanism（10）Make output locking mechanism（10）Unclamp going barrel
（8）Transmission shaft（801）, the chain（5）It is set in front axle fluted disc（4）With on rear axle gear, and with power-assisted sprocket wheel（16）Phase
Engagement, the front axle fluted disc（4）Pass through front axle（3）With pedal（2）Connection, the rear axle gear pass through rear axle（6）With trailing wheel（7）
Connection.
2. a kind of mechanical energy-saving type according to claim 1 shares bicycle, which is characterized in that the output locking mechanism
（10）It is bound round including holding tightly（101）, pull rod（102）And friction plate（103）, the holding hoop（101）It is set in going barrel（8）Biography
Moving axis（801）On, hold hoop tightly（101）Both ends be respectively equipped with a lifting lug（105）, the pull rod（102）Across two lifting lugs
（105）, pull rod（102）One end on be arranged with holding spring（104）, pull rod（102）The other end be separately connected acceleration cable
Assembly（13）With brake bracing wire assembly（15）, the friction plate（103）It is bound round set on holding tightly（101）Inner wall on.
3. a kind of mechanical energy-saving type according to claim 1 shares bicycle, which is characterized in that further include energy charging device
（17）, the energy charging device（17）Including sequentially connected motor（171）, reduction box（172）Device is turned round with limit（173）, the limit
Turn round device（173）Connect going barrel（8）Transmission shaft（801）.
4. a kind of mechanical energy-saving type according to claim 1 shares bicycle, which is characterized in that the acceleration cable assembly
（13）Including oil door handle（131）And acceleration cable（132）, the oil door handle（131）Connect acceleration cable（132）One
End, the acceleration cable（132）The other end be separately connected forward drive wheel（12）With output locking mechanism（10）, the brake
Bracing wire assembly（15）Including brake handle（151）With brake bracing wire（152）, the brake handle（151）Connection brake bracing wire
（152）One end, the brake bracing wire（152）The other end be separately connected feedback sprocket wheel（14）With output locking mechanism（10）.
5. a kind of mechanical energy-saving type according to claim 4 shares bicycle, which is characterized in that the oil door handle（131）
And brake handle（151）It is symmetricly set on car body（1）Handle on.
6. a kind of mechanical energy-saving type according to claim 1 shares bicycle, which is characterized in that the power-assisted sprocket wheel（16）Packet
Include the first power-assisted sub- wheel being meshed（161）With the second power-assisted sub- wheel（162）, the second power-assisted sub- wheel（162）With chain（5）
It is meshed, the forward drive wheel（12）It it is one, and accessible first power-assisted sub- wheel（161）And output chain gear（11）, described
Feedback sprocket wheel（14）Including the first feedback sub- wheel being meshed（141）With the second feedback sub- wheel（142）, the first feedback sub- wheel
（141）Accessible output chain gear（11）, the second feedback sub- wheel（142）Accessible first power-assisted sub- wheel（161）.
7. a kind of mechanical energy-saving type according to claim 1 shares bicycle, which is characterized in that the front axle（3）Using list
To clutch mode and front axle fluted disc（4）Connection.
8. a kind of mechanical energy-saving type according to claim 1 shares bicycle, which is characterized in that the rear axle gear is using dead
Flywheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721887618.XU CN207809665U (en) | 2017-12-29 | 2017-12-29 | A kind of shared bicycle of mechanical energy-saving type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721887618.XU CN207809665U (en) | 2017-12-29 | 2017-12-29 | A kind of shared bicycle of mechanical energy-saving type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207809665U true CN207809665U (en) | 2018-09-04 |
Family
ID=63327541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721887618.XU Expired - Fee Related CN207809665U (en) | 2017-12-29 | 2017-12-29 | A kind of shared bicycle of mechanical energy-saving type |
Country Status (1)
| Country | Link |
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| CN (1) | CN207809665U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107902037A (en) * | 2017-12-29 | 2018-04-13 | 厦门大学嘉庚学院 | A kind of mechanical energy-saving type shares bicycle and its application method |
| CN110254599A (en) * | 2019-06-10 | 2019-09-20 | 林明章 | Bicycle energy storage booster system |
-
2017
- 2017-12-29 CN CN201721887618.XU patent/CN207809665U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107902037A (en) * | 2017-12-29 | 2018-04-13 | 厦门大学嘉庚学院 | A kind of mechanical energy-saving type shares bicycle and its application method |
| CN107902037B (en) * | 2017-12-29 | 2023-08-04 | 厦门大学嘉庚学院 | Mechanical energy storage type sharing bicycle and application method thereof |
| CN110254599A (en) * | 2019-06-10 | 2019-09-20 | 林明章 | Bicycle energy storage booster system |
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Granted publication date: 20180904 Termination date: 20201229 |