CN2687001Y - Dual-circuit pedal driving mechanism - Google Patents
Dual-circuit pedal driving mechanism Download PDFInfo
- Publication number
- CN2687001Y CN2687001Y CNU2004200021635U CN200420002163U CN2687001Y CN 2687001 Y CN2687001 Y CN 2687001Y CN U2004200021635 U CNU2004200021635 U CN U2004200021635U CN 200420002163 U CN200420002163 U CN 200420002163U CN 2687001 Y CN2687001 Y CN 2687001Y
- Authority
- CN
- China
- Prior art keywords
- sprocket wheel
- sprocket shaft
- front sprocket
- shaft
- bicycle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a sprocket wheel transmission mechanism, in particular to a dual-circuit pedal transmission mechanism for a bicycle. Aiming at the defects of hard sledding when the bicycle travels upward on a slope or increases the speed and poor security when people rides the bicycle existing in the existing single circuit pedal transmission mechanism for a bicycle, the utility model provides a dual-circuit pedal transmission mechanism for a bicycle. The bicycle provided with the transmission mechanism is light and labor-saving when travelling upward on a slope or increasing the speed, and the saddle of the bicycle can be installed low to make the riding of the bicycle more safe. The utility model comprises two sets of sprocket wheel transmission mechanisms; each sprocket wheel transmission mechanism comprises a right chain, a right foot board, a right crank, a right front sprocket wheel, a right front sprocket wheel shaft, a rear sprocket wheel shaft, a right rear sprocket wheel, a left foot board, a left front sprocket wheel shaft, a left front sprocket wheel, a left crank, a left chain, a release yoke, a rear sprocket wheel shaft, a spring, a left rear sprocket wheel, a left rear sprocket wheel shaft and a clutch plate respectively; wherein, gears arranged on the right front sprocket wheel shaft and the left front sprocket wheel shaft respectively are engaged together.
Description
Technical field
The utility model relates to chain wheel driving mechanism, particularly a kind of pedal transmission mechanism that is used on the bicycle.
Background technology
Pedal transmission mechanism on the existing bicycle is to adopt the single loop pedal transmission mechanism, it is made up of vehicle frame, two stretchers and a chain wheel driving mechanism, wherein, chain wheel driving mechanism comprises two cranks, preceding sprocket wheel, back sprocket wheel and chain, the left and right sides of sprocket wheel before two cranks are contained in respectively, two stretchers are contained in respectively on two cranks, and chain ring is on the sprocket wheel of front and back.During use, the mode of motion of sprocket wheel rotation before the existing single loop pedal transmission mechanism that is used on the bicycle has only mono-to lean on both feet alternately firmly to drive, structurally it exists a motion dead angle, when bicycle goes up a slope or quicken, makes the cyclist feel hard; In addition, on the existing bicycle owing to adopted the single loop pedal transmission mechanism, directly saddle horse is capable for bicycle, and the position of bike saddle must be adorned high, otherwise people's shank can't be exerted oneself because of being in case of bending, and behind the position of the bike saddle dress height, people's bipod does not reach ground, the people by bike the time safety relatively poor.
Summary of the invention
The utility model is used for single loop pedal transmission mechanism on the bicycle existing above-mentioned it exists a motion dead angle on drive mechanism at existing, when bicycle goes up a slope or quicken, make the cyclist feel hard, the position of bike saddle must be adorned high, the relatively poor weak point of safety in the time of by bike, a kind of double loop pedal transmission mechanism that is used on the bicycle is provided, the bicycle that the double loop pedal transmission mechanism is housed is light when going up a slope or quicken, laborsaving, the position that its bike saddle of bicycle of double loop pedal transmission mechanism is housed can be adorned low, people's bipod can contact on the ground, and is safer when making by bike.
The technical solution adopted in the utility model is finished in the following way: the double loop pedal transmission mechanism comprises two stretchers, vehicle frame and two groups of chain wheel driving mechanisms, each joins each stretcher with one group of chain wheel driving mechanism, right group chain wheel driving mechanism comprises right chain, stretcher, right crank, right front sprocket wheel, right front sprocket shaft, back sprocket shaft, right back sprocket wheel, and left side group chain wheel driving mechanism comprises stretcher, left front sprocket shaft, left front sprocket wheel, left crank, left chain, operating fork, back sprocket shaft, spring, left back sprocket wheel, left back sprocket shaft, clutch discs.Wherein, right side stretcher and right crank one end join, left side stretcher and left crank one end join, the right crank other end and right front sprocket shaft join, the left side crank other end and left front sprocket shaft join, right front sprocket wheel and left front sprocket wheel are separately fixed on right front sprocket shaft and the left front sprocket shaft, right front sprocket shaft and left front sprocket shaft respectively by bearing fixing at housing, the head of wherein right front sprocket shaft and left front sprocket shaft is provided with gear, and the gear mesh on gear on the right front sprocket shaft head and the left front sprocket shaft head together; Back sprocket shaft is provided with two floral discs, and the two ends of back sprocket shaft are provided with bearing and are fixed on the vehicle frame, links together with clutch discs and right back sprocket wheel respectively on two floral disc outsides of back sprocket shaft, is provided with saw shape tooth on the outer face of clutch discs; Left back sprocket sleeve is at back sprocket shaft left end, be provided with the saw shape tooth that matches with saw shape tooth on the clutch discs outer face on the inner end surface of left back sprocket shaft, operating fork is fixed on the vehicle frame of back, left back sprocket wheel and left back sprocket shaft link together, spring housing is on left back sprocket shaft, spring one end is against the end face of left back sprocket wheel, and the spring other end is against on the vehicle frame; Right chain is looped around on right front sprocket wheel and the right back sprocket wheel, and left chain is looped around on left front sprocket wheel and the left back sprocket wheel.
When two stretchers simultaneously in front the time, step on and be positioned at the left side, top stretcher, make left front sprocket wheel drive left back sprocket wheel rotation by left chain, left back sprocket wheel drives back sprocket shaft rotation, at this moment car advances, and left front sprocket shaft makes right front sprocket shaft be returned to the top position to opposite spin being positioned at the right, below stretcher by the external toothing tooth simultaneously, steps on the right stretcher again, such two stretchers can move up and down, and car is advanced.
When two stretchers simultaneously in the back the time, step on and be positioned at the left side, top stretcher, at this moment left front sprocket wheel does not stress, change and just drive left back sprocket wheel backlash by left chain, at this moment left front sprocket shaft is by the moving right front sprocket shaft rotation of external toothing cingulum, right front sprocket shaft drives right front sprocket wheel rotation and spurs right back sprocket wheel rotation by right chain, right back sprocket wheel drives back sprocket shaft rotation, at this moment car advances, be returned to the top position being positioned at the right, below stretcher simultaneously, step on the right stretcher again, such two stretchers can move up and down in the back, and car is advanced.
When left side stretcher was below left front, if firmly left side stretcher is taken to the rear, left side stretcher just can be put in order and enclose positive dirction and step on like this, makes the car cruising, at this moment on the right of stretcher move round about.
When the right stretcher is below right front, if firmly the right stretcher is taken to the rear, like this on the right of stretcher just can put in order and enclose positive dirction and step on, make the car cruising, left side stretcher moves round about at this moment.
When car need fall back backward, as long as rotate the operating fork controller, the stay cord pulling that links to each other with operating fork by controller is fixed on the operating fork on the vehicle frame of back, makes saw shape tooth and the disengagement of the saw shape tooth on the clutch discs outer face on the inner end surface of left back sprocket shaft, and car just can fall back backward like this.
Bicycle of the present utility model is housed compares with the bicycle of existing employing single loop pedal transmission mechanism, have when going up a slope or quicken easily, laborsaving, the position of bike saddle can be adorned low, makes people's safer characteristics by bike the time.In addition, adopt the utility model can design the different seats of riding and put and do not influence the car of normally riding, as RV recreational vehicle, body-building recreation car, extreme sport car and by people's weight as the Kickboard Scooter of power etc.
Description of drawings
Fig. 1 is the structural representation of double loop pedal transmission mechanism.
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is the axonometric exploded view of back sprocket shaft assembly.
The specific embodiment
Contrast accompanying drawing below, the utility model is described in further detail by embodiment.
With reference to accompanying drawing 1 to accompanying drawing 3, a kind of double loop pedal transmission mechanism comprises two stretchers 2, vehicle frame 13 and two groups of chain wheel driving mechanisms, each stretcher 2 respectively joins with one group of chain wheel driving mechanism, right group chain wheel driving mechanism comprises right chain 1, stretcher 2, right crank 3, right front sprocket wheel 4, right front sprocket shaft 6, back sprocket shaft 15, right back sprocket wheel 21, left side group chain wheel driving mechanism comprises stretcher 2, left front sprocket shaft 7, left front sprocket wheel 9, left side crank 10, left chain 11, operating fork 12, back sprocket shaft 15, spring 16, left back sprocket wheel 17, left back sprocket shaft 18, clutch discs 19.Wherein, right side stretcher 2 joins with right crank 3 one ends, and left side stretcher 2 joins with left crank 10 1 ends; Right crank 3 other ends and right front sprocket shaft 6 join, and left crank 10 other ends and left front sprocket shaft 7 join; Right front sprocket wheel 4 and left front sprocket wheel 9 are separately fixed on right front sprocket shaft 6 and the left front sprocket shaft 7, right front sprocket shaft 6 and left front sprocket shaft 7 are fixed on the housing 8 by bearing 5 respectively, the head of wherein right front sprocket shaft 6 and left front sprocket shaft 7 is provided with gear, and gear on right front sprocket shaft 6 heads and the gear mesh on left front sprocket shaft 7 heads are together; Back sprocket shaft 15 is provided with two floral discs 20, the two ends of back sprocket shaft 15 join with vehicle frame 13 by bearing 5 and nut 14 respectively, link together with clutch discs 19 and right back sprocket wheel 21 screws respectively on two floral disc 20 outsides of back sprocket shaft 15, on the outer face of clutch discs 19, be provided with saw shape tooth; Left back sprocket shaft 18 is enclosed within back sprocket shaft 15 left ends, be provided with the saw shape tooth that matches with saw shape tooth on clutch discs 19 outer faces on the inner end surface of left back sprocket shaft 18, operating fork 12 is fixed on the vehicle frame 13 of back, left back sprocket wheel 17 links together with left back sprocket shaft 18 screws, spring 16 is enclosed within on the left back sprocket shaft 18, spring 16 1 ends are against the end face of left back sprocket wheel 17, and spring 16 other ends are against on the vehicle frame 13; Right chain 1 is looped around on right front sprocket wheel 4 and the right back sprocket wheel 21, and left chain 11 is looped around on left front sprocket wheel 9 and the left back sprocket wheel 17.
Claims (2)
1, a kind of double loop pedal transmission mechanism, it is characterized in that this double loop pedal transmission mechanism comprises two stretchers, vehicle frame, left side group chain wheel driving mechanism and right group chain wheel driving mechanism, two stretchers join with left side group chain wheel driving mechanism and right group chain wheel driving mechanism respectively, wherein, right group chain wheel driving mechanism comprises right chain, the right side stretcher, right crank, right front sprocket wheel, right front sprocket shaft, back sprocket shaft, right back sprocket wheel, left side group chain wheel driving mechanism comprises the left side stretcher, left front sprocket shaft, left front sprocket wheel, left side crank, left chain, operating fork, back sprocket shaft, spring, left back sprocket wheel, left back sprocket shaft, clutch discs.
2, double loop according to claim 1 pedal transmission mechanism, it is characterized in that right side stretcher and right crank one end join, left side stretcher and left crank one end join, the right crank other end and right front sprocket shaft join, the left side crank other end and left front sprocket shaft join, right front sprocket wheel and left front sprocket wheel are separately fixed on right front sprocket shaft and the left front sprocket shaft, right front sprocket shaft and left front sprocket shaft respectively by bearing fixing on housing, the head of right front sprocket shaft and left front sprocket shaft is provided with gear, gear mesh on gear on the right front sprocket shaft head and the left front sprocket shaft head together, the two ends of back sprocket shaft join by bearing and nut and vehicle frame respectively, link together with clutch discs and right back sprocket wheel respectively on two floral disc outsides of back sprocket shaft, on the outer face of clutch discs, be provided with saw shape tooth, left back sprocket sleeve is at back sprocket shaft left end, be provided with the saw shape tooth that matches with saw shape tooth on the clutch discs outer face on the inner end surface of left back sprocket shaft, operating fork is fixed on the vehicle frame of back, left back sprocket wheel and left back sprocket shaft link together, spring housing is on left back sprocket shaft, spring one end is against the end face of left back sprocket wheel, the spring other end is against on the vehicle frame, right chain is looped around on right front sprocket wheel and the right back sprocket wheel, and left chain is looped around on left front sprocket wheel and the left back sprocket wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200021635U CN2687001Y (en) | 2004-01-18 | 2004-01-18 | Dual-circuit pedal driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200021635U CN2687001Y (en) | 2004-01-18 | 2004-01-18 | Dual-circuit pedal driving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2687001Y true CN2687001Y (en) | 2005-03-23 |
Family
ID=34667537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200021635U Expired - Fee Related CN2687001Y (en) | 2004-01-18 | 2004-01-18 | Dual-circuit pedal driving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2687001Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627956A (en) * | 2016-11-15 | 2017-05-10 | 李延芝 | Bicycle gyro transmission structure and bicycle equipped with same |
| CN109328796A (en) * | 2018-11-12 | 2019-02-15 | 杜宗英 | Plastic mulching machine with local firming function |
| CN112169262A (en) * | 2020-08-28 | 2021-01-05 | 江苏福维健康科技有限公司 | Exercise bicycle and seat adjusting device thereof |
-
2004
- 2004-01-18 CN CNU2004200021635U patent/CN2687001Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627956A (en) * | 2016-11-15 | 2017-05-10 | 李延芝 | Bicycle gyro transmission structure and bicycle equipped with same |
| CN109328796A (en) * | 2018-11-12 | 2019-02-15 | 杜宗英 | Plastic mulching machine with local firming function |
| CN112169262A (en) * | 2020-08-28 | 2021-01-05 | 江苏福维健康科技有限公司 | Exercise bicycle and seat adjusting device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20120080193A (en) | Improved scooter and pedal drive assembly | |
| CN101835681A (en) | Human powered vehicle with two reciprocal pedals | |
| CN1185135C (en) | Bicycle moved by front and rear drive method of pedal | |
| CN2687001Y (en) | Dual-circuit pedal driving mechanism | |
| US6916031B1 (en) | Frictionless bicycle stopping device | |
| CN200954854Y (en) | Mark-time scooter | |
| CN202071958U (en) | Rear wheel swing drive-type bicycle | |
| US7938420B1 (en) | Bicycle drive mechanism with pedal leverage arm | |
| CN2705377Y (en) | Cabinet type three-wheel bicycle | |
| CN2475654Y (en) | Rider propulsion device for scooter | |
| DE102006016416A1 (en) | Bicycle with chain wheel or shaft drive with drive slides and pedal slides has central drive slide provided with driving axle upon which are mounted drive cylinder with four drive segments to accommodate driving chain wheel | |
| CN2165075Y (en) | High-speed labour-saving bicycle | |
| CN2351364Y (en) | Active driving gear for bicycle | |
| CN2498063Y (en) | Driving bicycle for saving man-power | |
| CN87207883U (en) | Propulsion mean for manpower pedalling rope | |
| CN214648823U (en) | Pedal lever balance bicycle | |
| CN2351362Y (en) | Directly driving wheel bicycle | |
| CN2036517U (en) | Propulsion unit for pedal type manpower vehicle | |
| CN201179930Y (en) | Two-player pedal tricycle for traveling | |
| CN2306167Y (en) | Walking bicycle | |
| CN2851094Y (en) | Double sprocket-driven bicycle | |
| CN2385750Y (en) | Body-building sports bicycle | |
| CN2046098U (en) | Pedal bicycle | |
| CN2350300Y (en) | Labour-saving recreational bicycle | |
| CN2607315Y (en) | Bicycle driven by two persons |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |