CN205113618U - Formula of singly restricting stepless speed control bicycle - Google Patents
Formula of singly restricting stepless speed control bicycle Download PDFInfo
- Publication number
- CN205113618U CN205113618U CN201520712735.7U CN201520712735U CN205113618U CN 205113618 U CN205113618 U CN 205113618U CN 201520712735 U CN201520712735 U CN 201520712735U CN 205113618 U CN205113618 U CN 205113618U
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- China
- Prior art keywords
- drum
- rope
- flower
- driving
- stepless speed
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Abstract
The utility model discloses a formula of singly restricting stepless speed control bicycle, including a frame and a rear wheel, the stepless speed control bicycle still include two rocking arm foot bars, drive rope and a fixed pulley, the rocking arm foot bar one end with frame joint, the other end on be provided with a running -board, the center of rear wheel be provided with a driven drum and a connecting axle, the left end of connecting axle install a left side drive flower -drum, a right side drive flower -drum is installed to the right -hand member, the rocking arm foot bar rotates through two drive flower -drum of drive rope drive, and then the drive bicycle is marchd forward. The utility model discloses a formula of singly restricting stepless speed control bicycle's advantage is: pedal step on the stroke self -adaptation, do not have acting dead point, start -up and the operation is laborsaving, drive efficiency is high, infinitely variable, great, the simple structure of drive ratio control range, manufacturing cost is lower, the reliability is high.
Description
Technical field
The utility model relates to a kind of bicycle, more precisely a kind of single rope type stepless speed regulating bicycle.
Background technology
The driven Design of current bicycle mainly contains three kinds: chain gear, shaft drive, belt-driving.Wherein modal chain gear is primarily of parts compositions such as pedal, crank, chain, sprocket wheel, wheels.During cycling, first pedal force passes to pedal parts, and then by crank shaft rotating crank, sprocket wheel, turns a wheel, thus bicycle is advanced.Shaft drive is compared with chain gear with belt-driving, and just the transmission part of power there are differences, and principle is similar.But no matter be which kind of driving device, all require bicyclist to pedal to step on that left and right crank completes circular movement and could realize transmission of power, but, people's leg muscle and bone form structures shape, and it is that lever is had an effect mode (it is bounce that most actv. does work), cyclist pedal step on left and right crank complete circular movement time, just there will be degradation of energy, this loss is because cyclist's leg power is mainly front vergens, the path of motion of the most comfortable is micro-prone camber line, and the stretcher that this strength acts on has needed rotary motion, result at crank motion to running into the position being called as " acting dead point " during upper and lower two regions, as long as stretcher is when the near zone at " acting dead point ", cyclist's part strength of one's legs just inevitably lost, the sprocket wheel that the overall power of cyclist only has 64% to be transferred to bicycle.Another: the friction of chain self and with the friction of large minor sprocket, press from both sides sting with pollution clothes, need often maintain refuel, service life is short, ride in safe reliability all there is certain defect.
The modal speed change system of bicycle is by the fit step speed regulation mechanism formed with gearshift device of the multiple size chain wheel set in front and back, and structure is loaded down with trivial details, cost is high, fault rate is high, and transmitting ratio setting range is less, and for there being level to regulate; When upward slope is ridden, its maximum transmission ratio is less, can not play good power-saving function; When riding in level land, its fastest ratio is less again, the maximum riding speed of serious restriction bicycle.
Utility model content
The utility model mainly solves the technical matters existing for prior art, thus provide one to scrunch stroke self adaptation, without acting dead point, start-up and operation is laborsaving, drive efficiency is high, stepless change, transmitting ratio setting range are comparatively large, structure simple, single rope type stepless speed regulating bicycle that productive costs is lower, reliability is high.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals:
A kind of single rope type stepless speed regulating bicycle, comprises a vehicle frame and a trailing wheel, and described single rope type stepless speed regulating bicycle also comprises two rocking arm treadles, a driving rope and a fixed pulley; One end and the described vehicle frame of described rocking arm treadle are hinged, the other end is provided with a stretcher; The center of described trailing wheel is provided with a driven drum and an adapter shaft; The left end of described adapter shaft is provided with a left driving flower-drum, right-hand member is provided with a right driving flower-drum; The both ends of the surface of described driven drum are provided with ratchet, its right end face of described left driving flower-drum is provided with ratchet, the left end face of described right driving flower-drum is provided with ratchet; Described fixed pulley horizontal arrangement in the front of described trailing wheel, and is arranged on described vehicle frame; One end of described driving rope is connected with the rocking arm treadle in left side, then just around on left driving flower-drum, then just walking around described fixed pulley, subsequently just around on right driving flower-drum, the last other end is connected with the rocking arm treadle on described right side.
As the utility model preferred embodiment, described single rope type stepless speed regulating bicycle also comprises a guide wheel, and described guide wheel is arranged on described vehicle frame; After described guide wheel is walked around in one end of described driving rope and then around on left driving flower-drum; The other end on described right driving flower-drum after, then walk around described guide wheel, be finally connected with the rocking arm treadle on right side.
As the utility model preferred embodiment, described guide wheel is arranged in the below of bicycle seat, and with vehicle frame sliding block joint; Described single rope type stepless speed regulating bicycle also comprises a rope roll-up apparatus and a self-locking device; Described rope roll-up apparatus is arranged in bicycle handle bar; Described rope roll-up apparatus is connected with one end of described self-locking device by a rope, and the other end of described self-locking device is connected with described guide wheel.
As the utility model preferred embodiment, described single rope type stepless speed regulating bicycle also comprises a rope roll-up apparatus and two self-locking devices; Described rope roll-up apparatus is arranged in bicycle handle bar; Described rope roll-up apparatus is connected with described two self-locking devices respectively by two ropes; Two described self-locking devices are slidably mounted on the other end of described rocking arm treadle respectively and direction of slip is the length direction of rocking arm treadle; Two self-locking devices that the two ends of described driving rope are described are respectively connected.
As the utility model preferred embodiment,
Described left driving flower-drum is provided with left-hand screw shape groove; Described driving rope is wrapped on described left driving flower-drum with left-hand screw shape;
Described right driving flower-drum is provided with right-hand screw shape groove; Described driving rope is wrapped on described right driving flower-drum with right-hand screw shape.
As the utility model preferred embodiment, described trailing wheel is also provided with two springs, one end of described spring is connected with described adapter shaft, the other end of two springs be connected with described left driving flower-drum and described right driving flower-drum respectively.
The advantage of single rope type stepless speed regulating bicycle of the present utility model is: scrunch stroke self adaptation, without acting dead point, start-up and operation is laborsaving, drive efficiency is high, stepless change, transmitting ratio setting range are comparatively large, structure is simple, productive costs is lower, reliability is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of embodiment of single rope type stepless speed regulating bicycle of the present utility model;
Fig. 2 is the structural representation of driven drum, adapter shaft, left driving flower-drum and right driving flower-drum in single rope type stepless speed regulating bicycle of the present utility model;
Fig. 3 is the structural representation of the another kind of embodiment of single rope type stepless speed regulating bicycle of the present utility model;
Wherein:
1, vehicle frame;
2, trailing wheel; 21, driven drum; 22, adapter shaft;
23, left driving flower-drum; 24, right driving flower-drum;
231, left-hand screw shape groove; 241, right-hand screw shape groove;
3, rocking arm treadle; 4, rope is driven; 5, fixed pulley;
6, guide wheel; 7, rope roll-up apparatus; 8, self-locking device.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
The advantage of single rope type stepless speed regulating bicycle of the present utility model is: scrunch stroke self adaptation, without acting dead point, start-up and operation is laborsaving, drive efficiency is high, stepless change, transmitting ratio setting range are comparatively large, structure is simple, productive costs is lower, reliability is high.
Embodiment one:
As shown in Figure 1, a kind of single rope type stepless speed regulating bicycle, comprises vehicle frame 1 and a trailing wheel 2, and this single rope type stepless speed regulating bicycle also comprises two rocking arm treadles 3, and drives rope 4 and a fixed pulley 5; One end and this vehicle frame 1 of this rocking arm treadle 3 are hinged, the other end is provided with a stretcher;
As shown in Figure 2, the center of this trailing wheel 2 is provided with driven drum 21 and an adapter shaft 22; The left end of this adapter shaft 22 is provided with a left driving flower-drum 23, right-hand member is provided with a right driving flower-drum 24; The both ends of the surface of this driven drum 21 are provided with ratchet, its right end face of this left driving flower-drum 23 is provided with ratchet, the left end face of this right driving flower-drum 24 is provided with ratchet; This fixed pulley 5 horizontal arrangement in the front of this trailing wheel 2, and is arranged on this vehicle frame 1; One end of this driving rope 4 is connected with the rocking arm treadle 3 in left side, then just around on left driving flower-drum 23, then just walking around this fixed pulley 5, subsequently just around on right driving flower-drum 24, the last other end is connected with the rocking arm treadle 3 on the right side of this.
The alleged rotating forward driving flower-drum in this specification sheets, when referring to that driving flower-drum rotates, can make ratchet engage each other, and drives bicycle to advance forward; Direction contrary is toward the forward direction rotated to drive the reversion of flower-drum to refer to, repeats no more.
In this specification sheets, alleged driving is restricted just around on driving flower-drum, when referring to one end of traction drive rope, the driving flower-drum of respective side can be driven to rotate forward, drive the driving flower-drum of opposite side to reverse simultaneously, also repeat no more.
In the present embodiment, when stepping on the rocking arm treadle 3 in left side, this left driving flower-drum 23 can be driven to rotate forward by this driving rope 4, and then drive bicycle to advance; When stepping on the rocking arm treadle 3 on right side, this right driving flower-drum 24 can be driven to rotate forward by this driving rope 4, and then bicycle also can be driven to advance; Alternate cycles like this, namely continuable driving bicycle advances.
Embodiment two:
From physical relevant knowledge, this rocking arm treadle 3 defines the lever construction that is fulcrum with its hinge-point, and one of them application force is that the pin of people provides, and another application force is that the driving rope acted on this rocking arm treadle 3 provides;
The pin power be applied on rocking arm treadle 3 of people can think roughly that constant, this application force also can be thought roughly constant relative to the arm of force of the hinge-point of rocking arm treadle 3; And then can be rough think that the pin of the people moment be applied on rocking arm treadle 3 is constant;
The physics knowledge of being correlated with from lever construction, when driving rope perpendicular to this rocking arm treadle 3, drive the arm of force of the application force be applied on rocking arm treadle 3 of restricting the longest, the application force that driving restricts is applied on rocking arm treadle 3 is minimum, and rocking arm treadle 3 is applied to and drives the antagonistic force on rope naturally also minimum; Now this stepless speed regulating bicycle is required great effort the most, but fastest.
As shown in Figure 1, on the basis of embodiment one, this single rope type stepless speed regulating bicycle also comprises a guide wheel 6, and this guide wheel 6 is arranged on this vehicle frame 1; After this guide wheel 6 is walked around in one end of this driving rope 4 and then around on left driving flower-drum 23; The other end on this right driving flower-drum 24 after, then walk around this guide wheel 6, be finally connected with the rocking arm treadle 3 on right side.Arranging this guide wheel 6 between flower-drum at rocking arm treadle 3 and driving can make angle between the end of driving rope 4 and rocking arm treadle 3 more close to 90 °, makes the speed of a motor vehicle faster.
Embodiment three:
As shown in Figure 1, on the basis of embodiment two, this guide wheel 6 is arranged in the below of bicycle seat, and with vehicle frame 1 sliding block joint; This stepless speed regulating bicycle also comprises rope roll-up apparatus 7 and a self-locking device 8; This rope roll-up apparatus 7 is arranged in bicycle handle bar; This rope roll-up apparatus 7 is connected with one end of this self-locking device 8 by a rope, and the other end of this self-locking device 8 is connected with this guide wheel 6.
The position that this rope roll-up apparatus 7 and self-locking device 8 more conveniently can regulate guide wheel 6 is set, thus regulates the angle between one end and rocking arm treadle 3 driving rope, also namely can regulate the length driving rope relative to the arm of force of the fulcrum of lever construction; The transmitting ratio of bicycle can be regulated further; When bicycle is climbed, regulate the position of guide wheel 6, make the angle of driving rope place straight line and rocking arm treadle 3 place straight line less, the transmitting ratio of bicycle can be reduced, reach labour-saving object; When bicycle to advance on level land need speedup time, regulate the position of guide wheel 6, the angle making driving rope place straight line and rocking arm treadle 3 place straight line comparatively greatly (angle is 90 ° to the maximum), can improve the transmitting ratio of bicycle, reach the object of speedup; Make this rope roll-up apparatus 7 can use as the change-speed box of this stepless speed regulating bicycle further, this speed changing structure, relative to step change of the prior art, has structure simple, and transmitting ratio can consecutive variations, the advantage that setting range is larger.
Embodiment four:
Only provide a kind of structure that can regulate the driving rope arm of force in embodiment three, the present embodiment additionally provides another and regulates the structure driving the rope arm of force;
As shown in Figure 3, this single rope type stepless speed regulating bicycle also comprises a rope roll-up apparatus 7 and two self-locking devices 8; This rope roll-up apparatus 7 is arranged in bicycle handle bar; This rope roll-up apparatus 7 is connected with these two self-locking devices 8 respectively by two ropes; These two self-locking devices 8 are slidably mounted on the other end of this rocking arm treadle 3 respectively and direction of slip is the length direction of rocking arm treadle 3; The two ends of this driving rope 4 respectively these two self-locking devices 8 are connected.This structure, driving the position at the two ends of rope 4 and the point of connection of rocking arm treadle 3 to regulate the angle driving and restrict and between rocking arm treadle 3 by regulating, reaching further and regulating the arm of force driving rope, the object regulating transmitting ratio.
Because the arm of force adjustment structure in embodiment three and embodiment four is not conflicted mutually, therefore embodiment three and embodiment four can also combinationally use, and this unitized construction can expand the setting range of the transmitting ratio of stepless speed regulating bicycle further.
Embodiment five:
As shown in Figure 2, this left driving flower-drum 23 is provided with left-hand screw shape groove 231; This driving rope 4 is wrapped on this left driving flower-drum 23 with left-hand screw shape;
This right driving flower-drum 24 is provided with right-hand screw shape groove 241; This driving rope 4 is wrapped on this right driving flower-drum 24 with right-hand screw shape.
This canoe, can make to be wrapped in and drive the driving rope 4 on flower-drum to be not easy tied up in knots, the reliability of this stepless speed regulating bicycle can be improved, and when driving rope 4 to drive flower-drum to rotate, drive rope can produce an axial force towards inner side to driving flower-drum, when impelling driving flower-drum can engage each other with driven drum 21.
Embodiment six:
Although drive rope can apply towards the axial force of inner side to driving flower-drum in the canoe in embodiment five, promote to drive flower-drum and driven drum 21 to engage each other, but this mode is also unreliable, drive the geared speed of flower-drum and driven drum 21 slower, when driving the rotating speed of flower-drum slower, drive rope 4 to be applied to and drive the axial force towards inner side on flower-drum less, drive the more difficult and driven drum 21 of flower-drum to engage each other, therefore its reliability is poor.
Therefore in embodiment six, this trailing wheel 2 is also provided with two springs, one end of this spring is connected with this adapter shaft 22, and the other end of two springs is with driving flower-drum 23 left with this and this right driving flower-drum 24 are connected respectively.This spring can promote to drive flower-drum to move towards driven drum 21 direction, and can make ratchet engagement sooner, reliability is also higher, and structure is also simpler.This with in the structure of spring obviously, to driving the winding direction of rope 4 and no requirement (NR), such as drive rope 4 dextrorotation to be wrapped on left driving flower-drum 23, this structure can normally work completely, but the winding direction described in the utility model preferred embodiment five.
Below be only the mentality of designing of some embodiments of the present utility model, when system allows, the utility model can expand to external more functional module simultaneously, thus expands its function to greatest extent.
The above, be only detailed description of the invention of the present utility model, but protection domain of the present utility model is not limited thereto, and any change of expecting without creative work or replacement, all should be encompassed within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should limit with claims is as the criterion.
Claims (6)
1. a single rope type stepless speed regulating bicycle, comprise a vehicle frame (1) and a trailing wheel (2), it is characterized in that: described single rope type stepless speed regulating bicycle also comprises two rocking arm treadles (3), driving rope (4) and a fixed pulley (5); One end and the described vehicle frame (1) of described rocking arm treadle (3) are hinged, the other end is provided with a stretcher; The center of described trailing wheel (2) is provided with a driven drum (21) and an adapter shaft (22); The left end of described adapter shaft (22) is provided with a left driving flower-drum (23), right-hand member is provided with a right driving flower-drum (24); The both ends of the surface of described driven drum (21) are provided with ratchet, its right end face of described left driving flower-drum (23) is provided with ratchet, the left end face of described right driving flower-drum (24) is provided with ratchet; Described fixed pulley (5) horizontal arrangement in the front of described trailing wheel (2), and is arranged on described vehicle frame (1); One end of described driving rope (4) is connected with the rocking arm treadle (3) in left side, then just above, then just walking around described fixed pulley (5), subsequently just upper around right driving flower-drum (24), the last other end around left driving flower-drum (23) is connected with the rocking arm treadle (3) on described right side.
2. single rope type stepless speed regulating bicycle according to claim 1, is characterized in that: described single rope type stepless speed regulating bicycle also comprises a guide wheel (6), and described guide wheel (6) is arranged on described vehicle frame (1); Described guide wheel (6) is walked around afterwards and then around on left driving flower-drum (23) in one end of described driving rope (4); After the other end is upper around described right driving flower-drum (24), then walks around described guide wheel (6), be finally connected with the rocking arm treadle (3) on right side.
3. single rope type stepless speed regulating bicycle according to claim 2, is characterized in that: described guide wheel (6) is arranged in the below of bicycle seat, and with vehicle frame (1) sliding block joint; Described single rope type stepless speed regulating bicycle also comprises a rope roll-up apparatus (7) and a self-locking device (8); Described rope roll-up apparatus (7) is arranged in bicycle handle bar; Described rope roll-up apparatus (7) is connected by rope one end with described self-locking device (8), and the other end of described self-locking device (8) is connected with described guide wheel (6).
4. single rope type stepless speed regulating bicycle according to claim 1 and 2, is characterized in that: described single rope type stepless speed regulating bicycle also comprises a rope roll-up apparatus (7) and two self-locking devices (8); Described rope roll-up apparatus (7) is arranged in bicycle handle bar; Described rope roll-up apparatus (7) is connected with described two self-locking devices (8) respectively by two ropes; Two described self-locking devices (8) are slidably mounted on the other end of described rocking arm treadle (3) respectively and direction of slip is the length direction of rocking arm treadle (3); Two self-locking devices (8) described in the difference of two ends of described driving rope (4) are connected.
5. single rope type stepless speed regulating bicycle according to claim 1, is characterized in that:
Described left driving flower-drum (23) is provided with left-hand screw shape groove (231); Described driving rope (4) is wrapped on described left driving flower-drum (23) with left-hand screw shape;
Described right driving flower-drum (24) is provided with right-hand screw shape groove (241); Described driving rope (4) is wrapped on described right driving flower-drum (24) with right-hand screw shape.
6. single rope type stepless speed regulating bicycle according to claim 1, it is characterized in that: described trailing wheel (2) is also provided with two springs, one end of described spring is connected with described adapter shaft (22), the other end of two springs be connected with described left driving flower-drum (23) and described right driving flower-drum (24) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712735.7U CN205113618U (en) | 2015-09-15 | 2015-09-15 | Formula of singly restricting stepless speed control bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712735.7U CN205113618U (en) | 2015-09-15 | 2015-09-15 | Formula of singly restricting stepless speed control bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205113618U true CN205113618U (en) | 2016-03-30 |
Family
ID=55569252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520712735.7U Withdrawn - After Issue CN205113618U (en) | 2015-09-15 | 2015-09-15 | Formula of singly restricting stepless speed control bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205113618U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105109609A (en) * | 2015-09-15 | 2015-12-02 | 沈嘉诚 | Single-rope stepless speed regulating bicycle |
| CN108394509A (en) * | 2018-04-24 | 2018-08-14 | 张为朝 | A kind of upper and lower lever driving device of riding of round trip flight linkage for bicycle |
-
2015
- 2015-09-15 CN CN201520712735.7U patent/CN205113618U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105109609A (en) * | 2015-09-15 | 2015-12-02 | 沈嘉诚 | Single-rope stepless speed regulating bicycle |
| CN105109609B (en) * | 2015-09-15 | 2017-12-15 | 沈嘉诚 | Single rope type stepless speed regulating bicycle |
| CN108394509A (en) * | 2018-04-24 | 2018-08-14 | 张为朝 | A kind of upper and lower lever driving device of riding of round trip flight linkage for bicycle |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160330 Effective date of abandoning: 20171215 |