CN2639145Y - Ride type high-efficient bicycle without chain - Google Patents
Ride type high-efficient bicycle without chain Download PDFInfo
- Publication number
- CN2639145Y CN2639145Y CNU032680422U CN03268042U CN2639145Y CN 2639145 Y CN2639145 Y CN 2639145Y CN U032680422 U CNU032680422 U CN U032680422U CN 03268042 U CN03268042 U CN 03268042U CN 2639145 Y CN2639145 Y CN 2639145Y
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- foot
- handle
- flywheel
- bicycle
- chain
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Abstract
The utility model relates to a ride type high-efficient bicycle without chain, which consists of a bicycle frame 1, wheels 2, saddles 3 and a driving mechanism 4. The utility model is characterized in that: the driving mechanism 4 is composed of a pedal 5, a pedal handle 6, a fan-shaped sprocket 7, a flywheel 8, a linkage device 9 and a position limiter 10, wherein, the fan-shaped sprocket 7 is arranged at the two sides of the bicycle frame 1 and fixedly connected with the pedal handle 6 and the bicycle frame 2 through a wing shaft 11; the fan-shaped sprocket 7 meshes with the flywheel 8 directly; the linkage device 9 is connected with the two pedal handles 6 through bicycle frame 1, which makes the two pedals 5 move alternately; the position limiter 10 is at the lower part of the pedal handle 6 to limit the moving distance of the pedal handle 6; the flywheel 8 is connected with the wheel 2 through a wheel axle 15. The utility model adopts the roller of the sprocket to mesh with the flywheel to drive, adopts the wire-rope-pulley linkage and save the slideway of pedal handle, which reduces the meshing abrasion, improves the driving efficiency and service life, simplifies the bicycle structures and decreases the bicycle cost.
Description
Affiliated technical field
The utility model relates to a kind of bicycle, and particularly a kind of pedaling does not have the efficient bicycle of chain.Belong to technical field of bicycles.
Background technology
In actual life, people are ubiquitous to the application of bicycle.In the prior art, the keystone configuration of general bicycle comprises: vehicle frame, front and back wheel, axis, foot-operated handle, sprocket wheel, chain and flywheel several sections.In the time of by bike, the people steps on foot-operated handle around the axis rotation, and foot-operated handle rotates around axis, and sprocket wheel and foot-operated handle are affixed, and sprocket wheel drives chain movement, and chain drives flywheel and rotates, thereby the trailing wheel rotation is advanced.In such structure, because the chain existence of easily worn part of moving about is like this arranged, so occur loose chain easily, fall chain, change chain, fault such as chain jamming box.And drive mechanism is comparatively loose, and the friction force resistance is big, both requires great effort when stepping on, speed is also slow.Will add big speed ratio fast as wanting, promptly strengthen the ratio of sprocket diameter and flywheel diameter, step on kinetic moment, and make to step on more and require great effort but reduced so again.As laborsaving, will strengthen and step on the power distance, promptly select less sprocket wheel for use, so transmitting ratio is little, and moving velocity slows down again.Conspicuous contradiction between this laborsaving and speed of prior art bicycle is by its type of drive decision.
Apply for and be documented in the Chinese patent communique by this case applicant, name is called " bilateral drive no chain efficient bicycle ", the patent No. utility model patent for " 99235516.8 ", by step on handle, slideway, sliding pin, limiting stopper, retracing spring, quadrant gear, flywheel, prop stand, rear wheel, side shaft nut, arbor, captive nut, side shaft seat, spring hanger, pulling fork, brace panel, small roller, ride, vehicle frame and rotating shaft etc. constitute.Be characterized in that foot-operated handle and quadrant gear are affixed, can turn an angle the direct engaged transmission of quadrant gear and flywheel around side shaft.Can overcome that chain gear exists be prone to loose chain, fall chain, change chain, shortcoming such as chain jamming box, but because bicycle must rely on retracing spring to reset, rely on slideway, limiting stopper to determine the path of motion of pin handle, therefore, have the shortcoming of three aspects: (1) complex structure; Sliding resistance when (2) increasing the swing of pin handle; (3) the two side legs handle only depends on spring reset, steps on dullness and not too meets general custom by bike.
Technical scheme
The utility model technical issues that need to address, i.e. the purpose of this utility model, be aforementioned in order to overcome " bilateral drives the efficient bicycle of no chain " structure complexity, step on uncomfortable shortcoming, provide a kind of pedaling not have the efficient bicycle of chain.
Technical matters of the present utility model can solve by taking following technical scheme: pedaling does not have the efficient bicycle of chain, comprise vehicle frame, wheel, saddle and driver train, its constructional feature is: driver train is by foot-operated, foot-operated handle, fan-shaped sprocket, flywheel, clutch and limiting stopper constitute, fan-shaped sprocket is positioned at the both sides of vehicle frame, captive joint with foot-operated handle and be connected on the vehicle frame by side shaft, direct and the flywheel engagement of fan-shaped sprocket, clutch couples together two foot-operated handles by vehicle frame, make two foot-operated alternating movements, limiting stopper is positioned at the below of foot-operated handle, the move distance of the foot-operated handle of restriction, flywheel is connected with wheel by axletree.
The utility model omits parts such as the required chain of standard bicycle, axis, hinge wheel, has dwindled central space, has simplified vehicle frame and has made drive mechanism compact more.
The utility model is also by taking following measure to improve the technical performance of car:
Described clutch is made of steel rope and assembly pulley, and links to each other with the foot-operated handle in both sides respectively by the connection of vehicle frame.
The point of connection of described assembly pulley and vehicle frame has these three, and middle point of connection has a middle pulley, and middle pulley is installed on the rear side of seat tube, and vehicle frame both sides back vent respectively connects a sideslip wheel, can make the interlock of two side legs handle by these three pulleys and steel rope.
Outstanding effect of the present utility model is:
1, the utility model since the roller that adopts sprocket wheel directly with the flywheel engaged transmission, the profile of tooth of flywheel needn't change owing to nibble tooth and mesh with having rolled engagement Dai Qian, thereby, reduced meshing wear, raising driving efficiency and service life.
2, adopt steel rope-pulley interlock, alternately step,, conveniently ride near the method that steps of ordinary bicycle based on bipod.Certainly, also can increase standby retracing spring, as the supplementary mode of cycling.
3, save the slideway of pin handle, on the one hand reduce friction, raise the efficiency, simplified on the other hand car structure, reduced the cost of car load.
The drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the rear portion birds-eye view of Fig. 1.
Preferred embodiment
Fig. 1, Fig. 2 constitute embodiment 1.As can be seen from Figure 1, present embodiment is made of vehicle frame 1, wheel 2, saddle 3 and driver train 4.Driver train 4 is made of foot-operated 5, foot-operated handle 6, fan-shaped sprocket 7, flywheel 8, clutch 9 and limiting stopper 10, fan-shaped sprocket 7 be positioned at vehicle frame 1 both sides, captive joint with foot-operated handle 6 and be connected on the vehicle frame 1 by side shaft 11, fan-shaped sprocket 7 direct and flywheel 8 engagements, clutch 9 couples together, makes two foot-operated 5 alternating movements by vehicle frame 1 with two foot-operated handles 6, limiting stopper 10 is positioned at the below of foot-operated handle 6, the move distance of the foot-operated handle 6 of restriction, and flywheel 8 is connected with wheel 2 by axletree 15.
Foot-operated handle 6, fan-shaped sprocket 7 are around side shaft 11 rotations.Fan-shaped sprocket 7 and flywheel 8 direct engaged transmission advance thereby drive rear wheel 2.Pulley 14 is installed on the rear side of seat tube, and pulley 13 lays respectively on the rear vehicle fork 12 of rear wheel 2 both sides.Steel rope 9 is by pulley 13 and 14, and two ends are connected with foot-operated handle 6 respectively, realizes the interlock of two foot-operated handles 6.Steel rope 9 is selected a suitable length for use, and when making the foot-operated handle 6 of a side move to nadir, when promptly the termination of the fan-shaped sprocket 7 that together rotates around side shaft with foot-operated handle 6 did not collide flywheel 8, the foot-operated handle 6 of another side rose to suitable vertex.Two limiting stoppers 10 are fixed in respectively on the transverse tube of both sides; in order to limit the nadir of foot-operated handle 6 bottoms; it can bear down and step on foot-operated handle 6 human weight, and is directly not stressed when also having protected simultaneously the fan-shaped sprocket 7 that rotates around side shaft 14 together with foot-operated handle 6 to put the termination, in order to avoid fan-shaped sprocket 7 is damaged.
When travelling by bike, step on left threading handle 6 under the left foot, the left-hand axis 11 that is attached thereto is also rotated thereupon, with the affixed fan-shaped sprocket 7 of left foot handle 6 also around left-hand axis 11 rotations, thereby left side fan-shaped sprocket 7 driven with its ingear hind axle 15 on flywheel 8, flywheel 8 drives rear wheel 2 and rolls forward, and car moves ahead.Meanwhile, the foot-operated handle 6 on right side is owing to the interlock effect of steel rope 9 is also risen to vertex.When stepping on right threading handle 6, the right fan-shaped sprocket 7 affixed with right threading handle 6 rotates, and the right flywheel 8 that fan-shaped sprocket 7 drives on the back wheels of vehicle axles also drives car forward.The foot-operated handle 6 that the steel rope 9 of the foot-operated handle 6 in the connection left and right sides is pulled on the left side resets it, left-hand axis 11 is also rotated thereupon, drive fan-shaped sprocket 7 to lower swing, the flywheel 8 on driving and its ingear hind axle 15 dallies backward, and rear wheel 2 continues to move ahead unaffected.So left and right sides pin is alternately stepped on the foot-operated handle 6 in both sides one on the other, just can continuously drive car and advance.
The utility model in contrast to prior art and also has following advantage:
(1) improves drive mechanism, improved transmission efficiency.
The utility model adopts the drive mechanism of pin handle-impeller-flywheel, makes drive mechanism greatly Simplify, and the mechanical efficiency when having improved by bike. When standard bicycle advanced, pin was to foot-operated The acting of handle has two " dead points ": " top dead-centre " (namely foot-operated handle above axis perpendicular in Axle) with " bottom dead centre " (i.e. foot-operated handle vertical and axis below axis). In the time of by bike about Lost inevitably " idle work " near the dead point. The utility model bicycle two foot-operated handles The angle that swings up and down does not all have foot-operated handle work done all in foot-operated handle effectively does work scope " dead point ". Owing to improved effective power, so running efficiency is higher.
(2) driving force is big, and is by bike laborsaving.
Foot-operated handle of the present utility model rotates around side shaft, side shaft be arranged on trailing wheel near, foot-operated Handle is connected with side shaft. The foot-operated handle of Regular Bicycle rotates around axis, and axis is arranged on bicycle In the middle of the place, foot-operated handle is connected with axis. Compare mutually foot-operated handle nature of the present utility model Foot-operated handle than Regular Bicycle is long. According to lever principle, same masterpiece is used in two kinds certainly In the time of on the foot-operated handle of driving, driving moment of the present utility model is bigger, so more economize by bike the time Power.
(3) compact conformation, mechanical efficiency is higher.
The utility model is owing to omitted chain, and the transmission mechanism of contrast standard bicycle reduces A series of drive disk assembly. As: the axis in the existing bicycle, " five-way ", hinge wheel (chain wheel), chain, chain cover etc. The weight of bicycle is lighter and handier, and body frame structure for automotive is simpler Single, more be conducive to be designed to folded bicycle, minicar, racing car etc. Also avoided simultaneously chain The loose chain that brings, fall chain, change chain, the fragile factor such as chain jamming box.
Simultaneously, energy can have energy loss and stream through each link in transmittance process Lose. The utility model has reduced transmission link owing to omitted chain etc., simultaneously, makes fan-shaped Gear and flywheel are realized the engagement of rolling, and have reduced resistance and wearing and tearing. And the utility model disappears Step on " dead point " and " dead angle " of pin handle except by bike the time, the people acts on the merit on the bicycle, Will be converted into more expeditiously the power of trailing wheel.
(4) more meet human engineering, by bike more comfortable.
The utility model makes the rotation when stepping on standard bicycle step on to become up and down and steps on, particularly " " Dai Qian " back-moving spring " makes by bike more comfortable, nature and light to clutch in employing.
Claims (3)
1, pedaling does not have the efficient bicycle of chain, comprise vehicle frame (1), wheel (2), saddle (3) and driver train (4), it is characterized in that: driver train (4) is by foot-operated (5), foot-operated handle (6), fan-shaped sprocket (7), flywheel (8), clutch (9) and limiting stopper (10) constitute, fan-shaped sprocket (7) is positioned at the both sides of vehicle frame (1), captive joint with foot-operated handle (6) and be connected on the vehicle frame (1) by bearing (11), direct and flywheel (8) engagement of fan-shaped sprocket (7), clutch (9) couples together two foot-operated handles (6) by vehicle frame (1), make two foot-operated (5) alternating movements, limiting stopper (10) is positioned at the below of foot-operated handle (6), the move distance of the foot-operated handle (6) of restriction, flywheel (8) is connected with wheel (2) by axletree 15.
2, pedaling according to claim 1 does not have the efficient bicycle of chain, it is characterized in that: described clutch (9) is made of steel rope and assembly pulley, and links to each other with the foot-operated handle (6) in both sides respectively by the connection of vehicle frame (1).
3, pedaling according to claim 2 does not have the efficient bicycle of chain, it is characterized in that: the point of connection of described assembly pulley and vehicle frame (1) has these three, middle point of connection has a middle pulley (14), middle pulley (14) is installed on the rear side of seat tube, vehicle frame both sides back vents (12) respectively connect a sideslip wheel (13), can make two side legs handle (6) interlock by these three pulleys and steel rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032680422U CN2639145Y (en) | 2003-07-28 | 2003-07-28 | Ride type high-efficient bicycle without chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032680422U CN2639145Y (en) | 2003-07-28 | 2003-07-28 | Ride type high-efficient bicycle without chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2639145Y true CN2639145Y (en) | 2004-09-08 |
Family
ID=34299163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032680422U Expired - Fee Related CN2639145Y (en) | 2003-07-28 | 2003-07-28 | Ride type high-efficient bicycle without chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2639145Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050774A (en) * | 2018-08-07 | 2018-12-21 | 张文成 | Bicycle |
| CN114084274A (en) * | 2021-08-04 | 2022-02-25 | 辛永升 | Up-down reciprocating transmission mechanism for bicycle and rickshaw |
-
2003
- 2003-07-28 CN CNU032680422U patent/CN2639145Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050774A (en) * | 2018-08-07 | 2018-12-21 | 张文成 | Bicycle |
| CN109050774B (en) * | 2018-08-07 | 2023-12-29 | 张文成 | Bicycle |
| CN114084274A (en) * | 2021-08-04 | 2022-02-25 | 辛永升 | Up-down reciprocating transmission mechanism for bicycle and rickshaw |
| CN114084274B (en) * | 2021-08-04 | 2024-05-28 | 辛永升 | Up-down reciprocating bicycle and rickshaw driving mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040908 Termination date: 20120728 |