CN1621304A - Swinging or reciprocating type manpower driven device - Google Patents
Swinging or reciprocating type manpower driven device Download PDFInfo
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- CN1621304A CN1621304A CN 200310110183 CN200310110183A CN1621304A CN 1621304 A CN1621304 A CN 1621304A CN 200310110183 CN200310110183 CN 200310110183 CN 200310110183 A CN200310110183 A CN 200310110183A CN 1621304 A CN1621304 A CN 1621304A
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Abstract
The oscillating or reciprocating man-powered driver includes pedal, foot crank, ratchet and ratchet wheel or flywheel, and upper and lower safeguard mechanism. The upper and lower safeguard mechanism consists of middle transition wheel and chain or pulling rope, or consists of lever and connecting rod. The driver has gear rack or flywheel driving and has foot crank drives the flywheel directly or indirectly to rotate the back wheel shaft or the back hub. The upper and lower safeguard mechanism installed between two foot cranks to ensure the two cranks up and down alternately, and the ratchet and ratchet wheel mechanism or the flywheel mechanism ensures the applied force in the same direction as the required force. The present invention has saving in labor, fast starting, powerful dashing capacity, high efficiency and adjustable stroke.
Description
Technical field
The present invention relates to the actuating device on a kind of bicycle or the three-wheel vehicle, especially a kind of swing or reciprocating type Manpower driver.
Background technology
Existing bicycle or three-wheel vehicle Manpower driver, employing be that mechanically operated piston crank mechanism is realized the oscillating motion of thigh is converted to circular movement.Pedal respectively has a dead point not do work at the upper and lower that circumference rotates, and is big in part acting district's application force loss, makes the people tired easily.
Summary of the invention
The purpose of this invention is to provide a kind of novel structure, application force loss little, do not have the dead point can full-time acting, can change the swing or the reciprocating type Manpower driver of application force stroke at any time.
Technical scheme of the present invention is: a kind of swing or reciprocating type Manpower driver, comprise that pedal, pin turn, click or flywheel and support organization up and down, the front end dress pedal that pin turns, rear end dress click or anchor fitting and transmission device, load onto down support organization between bipod turns, click or flywheel are contained in the two ends of axis or hind axle or rear-wheel hub; Support organization is by middle transition wheel, chain or stay cord up and down; Or form by lever and pipe link.
Transmission device comprises that the hind axle two ends fix a flywheel respectively, fix a minor axis respectively along flywheel front end horizontal direction vehicle frame two ends, fixing feet turns on the minor axis, and pin turns fixes a big chain plate, big chain plate is in same plane with minor axis is concentric with flywheel, by chain big chain plate and flywheel is coupled together.
Transmission device is included in the vehicle frame both sides at axis rear and adorns a minor axis respectively, minor axis turns with pin and is connected, and pin turns adorns a sprocket wheel, and sprocket wheel and minor axis are in same plane with one heart and with flywheel on the axis, couple together by chain and flywheel, a pinch roller is installed on the chain is come the tensioner chain.
Transmission device is included in the bicycle rear shaft two ends vehicle frames outside and adorns a click respectively, for bearing is connected, and establishes one between rear-wheel hub and overlaps the deceleration transmission system and link to each other with trailing wheel between hind axle and vehicle frame, turns with pin outside the click to link to each other.
Transmission device is included in the bicycle rear shaft two ends vehicle frames outside and adorns a flywheel respectively, and is for bearing is connected, affixed with rear-wheel hub between hind axle and vehicle frame; Establish a minor axis respectively in the appropriate location, vehicle frame both sides parallel with hind axle, installation foot turns on the minor axis, the end dress pedal that pin turns, and the other end is made fan type ring gear, fan type ring gear engages with flywheel inscribe on being fixed on rear-wheel hub, turns to swing up and down by left and right sides pin to drive trailing wheel and rotate.
Transmission device is included in the bicycle rear shaft two ends vehicle frames outside and adorns a flywheel respectively, and is for bearing is connected, affixed with rear-wheel hub between hind axle and vehicle frame; With appropriate location, hind axle horizontal direction vehicle frame both sides one fixed rack is being installed, establish slide block in the slide rail, adorn a minor axis on the slide block, a slide rail was also established in the relevant position in the middle of pin turned, the axle of minor axis can be slided therein, pin turns the rear portion and establishes fan type gear, and fan type gear engages with the flywheel inscribe, turns to swing up and down by left and right sides pin to drive the trailing wheel rotation.
Transmission device is included in the position that axis dress pin turns one flywheel is installed, along axis backward dorsad the pedal direction minor axis that one fixing feet turns is installed, a ring gear concentric with minor axis is installed on pin turns, make this ring gear and flywheel be in same plane also circumscribed or inscribe engage.
Transmission device is included in appropriate location on the cycle frame and fixes a minor axis that connects, the inboard fixedly big chain plate of minor axis, and big chain plate is connected with flywheel on the rear-wheel hub by chain, adorns pin outside the minor axis and turns.
Transmission device is included in appropriate location on the cycle frame and fixes a minor axis that connects, and a fan-shaped ring gear is fixed in the minor axis inboard, and fan-shaped ring gear engages with the flywheel on the rear-wheel hub is circumscribed, and the minor axis outside is adorned pin and turned; Or prolong pin and turn, add a fan-shaped ring gear at extended end and engage with the flywheel inscribe.
Transmission device is included in the bicycle middle shaft two ends and respectively establishes a flywheel, vertically being provided with the rack-and-pinion pin in the place ahead of flywheel turns, the joint when flywheel that is provided with should guarantee that the rack-and-pinion pin turns downward operation, the rack-and-pinion pin turns clutch when upwards moving, the rack-and-pinion pin turns and is contained on the guide rail, the rack-and-pinion pin turns the outer end, below pedal is housed, the top is provided with upper and lower ensuring equipment, upper and lower ensuring equipment wheel is established in the appropriate location, guide rail top that two rack-and-pinion pin turn, and chain or rope turn left and right rack-and-pinion pin by upper and lower ensuring equipment wheel and couple together.
Very exist dead point and pedal to be operated in the excessive problem of certain regional application force loss to existing bicycle engine installation, taking a bicycle engine installation to change rack drives into has flywheel to rotate; Or respectively adorn a flywheel or ratchet and pawl arrangement at former axis two ends, turn with pin and drive flywheel directly or indirectly and drive axis and rotate; Or directly add a pair of flywheel or ratchet and pawl arrangement at trailing wheel spindle nose two ends, turn with pin and drive the rotation of flywheel drive hind axle directly or indirectly; Or respectively add a flywheel at the rear-wheel hub two ends, turn with pin and drive flywheel directly or indirectly and drive rear-wheel hub and rotate.Between turning, bipod installs cover support organization up and down additional, guarantee that left and right pin turns motion one on the other, flywheel or ratchet and pawl arrangement are realized in the working application time, application force and required acting direction are consistent or basically identical, reach that laborsaving, starting speed is fast, strong, full-time acting of jig frequency ability, purpose that the application force stroke is adjustable.
Description of drawings
Fig. 1 is the path of motion figure of bicycle pedal
Fig. 2 is reciprocating type Manpower driver structural representation
Fig. 3 is first kind of Manpower driver that installs swinging gear at the axis place additional
Fig. 4 is second kind of Manpower driver that installs swinging gear at the axis place additional
Fig. 5 installs the Manpower driver of swinging gear additional for the third at the axis place
Fig. 6 is first kind of Manpower driver that installs swinging gear at the rear axle place additional
Fig. 7 is second kind of Manpower driver that installs swinging gear at the rear axle place additional
Fig. 8 installs the Manpower driver of swinging gear additional for the third at the rear axle place
Fig. 9 is the 4th a kind of Manpower driver that installs swinging gear at the rear axle place additional
Figure 10 is first kind of Manpower driver that installs swinging gear at the rear-wheel hub place additional
Figure 11 is second kind of Manpower driver that installs swinging gear at the rear-wheel hub place additional
Figure 12 installs the Manpower driver of swinging gear additional for the third at the rear-wheel hub place
The specific embodiment
Existing bicycle and man power actuating device is adopted is that the piston crank mechanism of mechanical drive four connecting rod technologies is realized the oscillating motion of thigh is converted to circular movement.As shown in Figure 1, the path of motion of bicycle pedal.2 of A, N are the dead point, by as can be known to the force analysis of BC or ED point pedal, FB1=F50%, FC1=F70%, (wherein F be the people to the pedal application force, FB1, FC1 be F respectively at the tangential component of 2 of B, C, promptly realize the power of gyroscopic movement.) at motion mean effort Fab=F25% of tangential direction between AB or EN; The mean effort Fbc ≈ F60% of motion tangential direction between BC or DE; Mean effort Fcd＞the F86% of motion tangential direction between CD.From above analysis as can be known, pedal motion application force loss attitude between AB or EN is big, and pedal motion application force between BC or DE is not obvious, and the application of force makes people's fatigue easily, and pedal motion effect between CD is obvious, and the application force loss is little, also is called merit between CD and efficiently distinguishes.
Very exist dead point and pedal to be operated in the excessive problem of certain regional application force loss to existing bicycle engine installation, taking a bicycle engine installation to change rack drives into has flywheel to rotate; Or respectively adorn a flywheel or ratchet and pawl arrangement at former axis two ends, turn with pin and drive flywheel directly or indirectly and drive axis and rotate; Or directly add a pair of flywheel or ratchet and pawl arrangement at trailing wheel spindle nose two ends, turn with pin and drive the rotation of flywheel drive hind axle directly or indirectly; Or respectively add a flywheel at the rear-wheel hub two ends, turn with pin and drive flywheel directly or indirectly and drive rear-wheel hub and rotate.Between turning, bipod installs cover support organization up and down additional, guaranteeing that pin turns is operated between CD and left and right pin turns motion one on the other, realize in the working application time that application force and required acting direction are consistent, reach laborsaving, full-time acting, purpose that the application force stroke is adjustable.
Embodiment 1, as shown in Figure 2 casts out former prop stand for bicycle turning and pedals, and turns point of connection at former bicycle middle shaft 2-1 two ends and pin and respectively establishes a flywheel 2-2; (effect of flywheel should guarantee that application force orders about bicycle and moves ahead) is provided with tooth bar 2-4 in the place ahead of flywheel along vertical, and tooth bar is contained on the tooth bar guide rail, and pedal 2-3 is equipped with in outer end, tooth bar below, and the top is provided with the device that connects upper and lower ensuring equipment; Support organization is up and down established in appropriate location, two tooth bars top, up and down support organization by middle transition take turns 2-6, stay cord 2-5 forms, (upper and lower ensuring equipment, guarantee this following purpose on that of left and right tooth bar), by adjusting, ensuring equipment length upright and latticing formula lever is adjusted pedal stroke and stroke center.In order to make bicycle when going up a slope, tooth bar 2-4 can be in vertical all the time, establish engine installation frame 2-7 in the bicycle appropriate location, establish middle shaft fixing device on the engine installation frame 2-7, engine installation frame and cycle frame are provided with and are rotatably connected, and establish latching device 2-8 between engine installation frame and cycle frame, make it to be integral with cycle frame, but also pass through the vertical of the strength of pedal by the fixing and locking power of adjusting latching device, reach the labour-saving purpose with regard to automatic compensation tooth bar guide rail.
Embodiment 2, as shown in Figure 3 on a former bicycle left side, right crus of diaphragm turns and respectively installs a flywheel of being made up of click 3-3 structure between 3-2 and axis 3-4 additional, this flywheel is inboard to be connected with axis 3-4, the outside is turned 3-2 with pin and is linked to each other, when turning to advance, a batter drives the axis rotation downwards by flywheel, support organization is made up of lever 3-6 and pipe link 3-5 about turning by pin simultaneously, drive another batter and turn upwards reversion, pin turns that flywheel is in clutch state when up, between bipod turns, establish pin and turn support organization up and down, support organization up and down with tooth bar is the same, pin turn guarantee mechanism also be guarantee left and right sides pedal stroke in a straight line, left and right sides pin turn this down on that, by the left and right sides pin pedal is intersected the application of force incessantly and drives axis and do gyroscopic movement.
In order to guarantee that pedal 4-1 has certain stroke, also to make pedal be operated in efficient district, the way that the pin of taking to extend turns 4-2 length realizes, for guarantee pin turn the lengthening back foot front and back position also be in the optimum position, take the former axis dress pin place of turning dress just like existing bicycle on employed flywheel and turn to the direction of the pedal pin that extends along the pin abduction back, in position establish a minor axis along the horizontal direction of axis and fix pin and turn, a sprocket wheel 4-5 or ring gear 5-1 are adorned in the inboard on pin turns; Sprocket wheel 4-5 or ring gear 5-1 are concentric and be in same plane with flywheel 4-3 or 5-2 with minor axis, sprocket wheel 4-5 and flywheel 4-3 couple together by chain 4-6 and sprocket wheel 4-5, chain 4-6 goes up installation one pinch roller 4-7 and comes the tensioner chain, the size of sprocket wheel 4-5 should be able to quasi-complement turn the no-load voltage ratio change that lengthening causes because of pin, guarantees that former speed ratio is constant.Combine as Fig. 5 with the sectional flywheel inscribe as Fig. 4 or ring gear.Turn up and down support organization by pin simultaneously and forms, by the left and right sides pin pedal is intersected application of force driving axis incessantly and do gyroscopic movement by lever 4-9 and pipe link 4-8.
Embodiment 3, as shown in Figure 6, cast out axis, big chain plate, chain and the flywheel of former bicycle, in the bicycle rear shaft 6-4 two ends vehicle frame outside, adorn a flywheel 6-3 respectively, be connected for bearing between hind axle 6-4 and vehicle frame, with establish a cover deceleration transmission system between rear-wheel hub and link to each other with rear-wheel hub, flywheel 6-3 is inboard affixed with hind axle 6-4, the outside is turned 6-2 with pin and is linked to each other, pin turns 6-2 and is provided with pedal 6-1, establish a cover left and right sides pin between bipod turns and turn ensuring equipment up and down, form by lever 6-6 and pipe link 6-5.Driving trailing wheel by swinging up and down of turning of left and right sides pin rotates.
Pin turns can also be established a minor axis 7-3 and fix along the horizontal the place ahead of hind axle, about on the hind axle, a flywheel 7-5 is installed respectively, pin turns the place ahead of 7-2 pedal 7-1 is installed, a fan-shaped ring gear 7-4 is established at the rear, fan-shaped ring gear 7-4 engages with flywheel 7-5 external tooth circumscribed (or inscribe), the radius that fan-shaped ring gear 7-4 and sectional flywheel 7-5 suitably are set is realized slowing down, and makes bicycle that suitable speed ratio be arranged; As shown in Figure 7.
Form movably before and after fixedly the pin minor axis 8-3 that turns in the left and right sides also can be designed to, realize the bicycle stepless change, promptly establish a slide rail 8-2 in the cycle frame appropriate location, establish a slide block in the slide rail, fix a minor axis 8-3 on the slide block, the corresponding positions that turns at pin again installs a slide rail, the axle that rotates minor axis can be slided therein, pin turns anterior dress pedal 8-1, and a gear and flywheel 8-5 engagement are established in fan type gear 8-4 back, rear portion, as shown in Figure 8.
Also can fix one on left and right sides pin turns turns with minor axis 9-3 concentric big chain plate 9-4 with fixing feet, big chain plate 9-4 and hind axle flywheel 9-6 place are with in the plane, by chain 9-5 the flywheel 9-6 on big chain plate 9-4 and the hind axle is coupled together, realize the bicycle no-load voltage ratio with the radius of back flying wheel by adjusting big chain plate.As shown in Figure 9.
Embodiment 4, as shown in figure 10, cast out former bicycle middle shaft big chain plate, chain and flywheel, respectively adorn a flywheel 10-5 respectively at bicycle rear hub two ends, forwards a minor axis 10-3 is set along bicycle rear shaft to appropriate location, car wheel hub two ends, minor axis 10-3 is used for fixing pin and turns 10-2, pin turns front end pedal 10-1 is installed, fan-shaped ring gear 10-4 is adorned in the rear end, fan-shaped ring gear 10-4 and the engagement of flywheel 10-5 inscribe, one cover left and right sides pin is set between left and right sides pin turns turns ensuring equipment up and down, by middle transition wheel 10-7, stay cord 10-6 forms, and turns up and down ensuring equipment by left and right sides pin and realize full-time efficient work done.
The minor axis that can also be arranged to the minor axis 11-3 at vehicle frame two ends to connect, vehicle frame outer end minor axis exposed portions serve is used for fixing pin and turns 11-2, inboard minor axis exposed portions serve is used for solid fan type ring gear 11-4, ring gear external tooth 11-4 and sectional flywheel 11-5 inscribe are meshing as Figure 11, one cover left and right sides pin is set between left and right sides pin turns turns ensuring equipment up and down, form by lever 11-7 and pipe link 11-6, and turn up and down ensuring equipment by left and right sides pin and realize full-time efficient work done.
Embodiment 5, as shown in figure 12, cast out former bicycle middle shaft, big chain plate, chain, on the symmetry end rear-wheel hub of former flywheel, install a flywheel 12-7 additional, the inboard appropriate location of cycle frame is provided with a chain draw off gear 12-5 respectively forward along the bicycle rear shaft two ends, left and right sides chain draw off gear is arranged on same plane with left and right sides flywheel respectively, and the two ends, the left and right sides, vacancy of vehicle frame are provided with transition chain drum 12-9 respectively below bike saddle; About the middle transition wheel plane that is provided with of end, should take into account flywheel and the chain attachment point on pin turns, at the bicycle rear axle two ends or establish a minor axis 12-6 along trailing wheel by appropriate location, vehicle frame two ends, the place ahead outsides and fix pin and turn 12-2, it is the cavity setting that pin turns 12-2, be provided with piston in the chamber, piston rod 12-11, piston rod end is established T-magnet 12-10, T-magnet 12-10 is connected with portal frame 12-4, the fixing end of chain 12-8 on the portal frame, the chain other end is by transition chain drum 12-9, flywheel 12-7 inserts chain draw off gear 12-5, turn the position of oil pocket inner carrier by the adjustment pin and correspondingly adjust the fixed position of chain on pin turns, thereby reach the purpose of infinite speed variation.Establish left and right sides pin in bipod turns and turn ensuring equipment up and down, bipod turns front end and is provided with pedal.
Claims (10)
1, a kind of swing or reciprocating type Manpower driver, it is characterized in that: comprise that pedal, pin turn, click or flywheel and support organization up and down, the front end dress pedal that pin turns, rear end dress click or anchor fitting and transmission device, load onto down support organization between bipod turns, click or flywheel are contained in the two ends of axis or hind axle or rear-wheel hub; Support organization is by middle transition wheel, chain or stay cord up and down; Or form by lever and pipe link.
2, swing according to claim 1 or reciprocating type Manpower driver, it is characterized in that: transmission device comprises that the hind axle two ends fix a flywheel respectively, fix a minor axis respectively along flywheel front end horizontal direction vehicle frame two ends, fixing feet turns on the minor axis, pin turns fixes a big chain plate, big chain plate is in same plane with minor axis is concentric with flywheel, by chain big chain plate and flywheel is coupled together.
3, swing according to claim 1 or reciprocating type Manpower driver, it is characterized in that: transmission device is included in the vehicle frame both sides at axis rear and adorns a minor axis respectively, minor axis turns with pin and is connected, pin turns adorns a sprocket wheel, sprocket wheel and minor axis are in same plane with one heart and with flywheel on the axis, couple together by chain and flywheel, a pinch roller is installed on the chain is come the tensioner chain.
4, swing according to claim 1 or reciprocating type Manpower driver, it is characterized in that: transmission device is included in the vehicle frame outside, bicycle rear shaft two ends and adorns a click respectively, be connected for bearing between hind axle and vehicle frame, with establish a cover deceleration transmission system between rear-wheel hub and link to each other with trailing wheel, turn with pin outside the click and link to each other.
5, swing according to claim 1 or reciprocating type Manpower driver is characterized in that: transmission device is included in the bicycle rear shaft two ends vehicle frames outside and adorns a flywheel respectively, and is for bearing is connected, affixed with rear-wheel hub between hind axle and vehicle frame; Establish a minor axis respectively in the appropriate location, vehicle frame both sides parallel with hind axle, installation foot turns on the minor axis, the end dress pedal that pin turns, and the other end is made fan type ring gear, fan type ring gear engages with flywheel inscribe on being fixed on rear-wheel hub, turns to swing up and down by left and right sides pin to drive trailing wheel and rotate.
6, swing according to claim 1 or reciprocating type Manpower driver is characterized in that: transmission device is included in the bicycle rear shaft two ends vehicle frames outside and adorns a flywheel respectively, and is for bearing is connected, affixed with rear-wheel hub between hind axle and vehicle frame; With appropriate location, hind axle horizontal direction vehicle frame both sides one fixed rack is being installed, establish slide block in the slide rail, adorn a minor axis on the slide block, a slide rail was also established in the relevant position in the middle of pin turned, the axle of minor axis can be slided therein, pin turns the rear portion and establishes fan type gear, and fan type gear engages with the flywheel inscribe, turns to swing up and down by left and right sides pin to drive the trailing wheel rotation.
7, swing according to claim 1 or reciprocating type Manpower driver, it is characterized in that: transmission device is included in the position that axis dress pin turns one flywheel is installed, along axis backward dorsad the pedal direction minor axis that one fixing feet turns is installed, a ring gear concentric with minor axis is installed on pin turns, make this ring gear and flywheel be in same plane also circumscribed or inscribe engage.
8, swing according to claim 1 or reciprocating type Manpower driver, it is characterized in that: transmission device is included in appropriate location on the cycle frame and fixes a minor axis that connects, the inboard fixedly big chain plate of minor axis, big chain plate is connected with flywheel on the rear-wheel hub by chain, adorns pin outside the minor axis and turns.
9, swing according to claim 1 or reciprocating type Manpower driver, it is characterized in that: transmission device is included in appropriate location on the cycle frame and fixes a minor axis that connects, a fan-shaped ring gear is fixed in the minor axis inboard, fan-shaped ring gear engages with the flywheel on the rear-wheel hub is circumscribed, and minor axis outside dress pin turns; Or prolong pin and turn, add a fan-shaped ring gear at extended end and engage with the flywheel inscribe.
10, swing according to claim 1 or reciprocating type Manpower driver, it is characterized in that: transmission device is included in the bicycle middle shaft two ends and respectively establishes a flywheel, vertically being provided with the rack-and-pinion pin in the place ahead of flywheel turns, the joint when flywheel that is provided with should guarantee that the rack-and-pinion pin turns downward operation, the rack-and-pinion pin turns clutch when upwards moving, the rack-and-pinion pin turns and is contained on the guide rail, the rack-and-pinion pin turns the outer end, below pedal is housed, the top is provided with, following ensuring equipment, establish the appropriate location, guide rail top that two rack-and-pinion pin turn, following ensuring equipment wheel, chain or rope are by last, following ensuring equipment wheel is a left side, right rack-and-pinion pin turns and couples together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310110183 CN1621304A (en) | 2003-11-26 | 2003-11-26 | Swinging or reciprocating type manpower driven device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310110183 CN1621304A (en) | 2003-11-26 | 2003-11-26 | Swinging or reciprocating type manpower driven device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1621304A true CN1621304A (en) | 2005-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310110183 Pending CN1621304A (en) | 2003-11-26 | 2003-11-26 | Swinging or reciprocating type manpower driven device |
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| CN (1) | CN1621304A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962063A (en) * | 2010-09-21 | 2011-02-02 | 刘昊源 | The bicycle of rack drives |
| CN105109610A (en) * | 2015-09-22 | 2015-12-02 | 韦志锋 | Bicycle with ratchet wheel pedals and operating method of bicycle |
| CN105523130A (en) * | 2015-12-28 | 2016-04-27 | 宁波大胜日用制品有限公司 | Foldable double-chain transmission scooter |
| CN113044140A (en) * | 2021-04-05 | 2021-06-29 | 杭州呈景贸易有限公司 | A automatic locking device of time delay that is used for electric bicycle's people to leave vehicle-hour |
-
2003
- 2003-11-26 CN CN 200310110183 patent/CN1621304A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962063A (en) * | 2010-09-21 | 2011-02-02 | 刘昊源 | The bicycle of rack drives |
| CN101962063B (en) * | 2010-09-21 | 2012-10-03 | 刘昊源 | Bicycle driven by racks |
| CN105109610A (en) * | 2015-09-22 | 2015-12-02 | 韦志锋 | Bicycle with ratchet wheel pedals and operating method of bicycle |
| CN105523130A (en) * | 2015-12-28 | 2016-04-27 | 宁波大胜日用制品有限公司 | Foldable double-chain transmission scooter |
| CN113044140A (en) * | 2021-04-05 | 2021-06-29 | 杭州呈景贸易有限公司 | A automatic locking device of time delay that is used for electric bicycle's people to leave vehicle-hour |
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