CN101480986A - Self-changing lever arm type manpower vehicle transmission mechanism - Google Patents
Self-changing lever arm type manpower vehicle transmission mechanism Download PDFInfo
- Publication number
- CN101480986A CN101480986A CNA2009100641743A CN200910064174A CN101480986A CN 101480986 A CN101480986 A CN 101480986A CN A2009100641743 A CNA2009100641743 A CN A2009100641743A CN 200910064174 A CN200910064174 A CN 200910064174A CN 101480986 A CN101480986 A CN 101480986A
- Authority
- CN
- China
- Prior art keywords
- crank
- mandrel
- transmission device
- trace
- rickshaw
- 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.)
- Pending
Links
Images
Landscapes
- Transmission Devices (AREA)
Abstract
The invention discloses a force arm self-change type rickshaw driving device which comprises a left crank, a right crank, a chain wheel and a mandrel, wherein the right end of the mandrel is connected with the chain wheel in a rotating mode, the corresponding positions of the left and the right end surfaces of the mandrel are respectively provided with an eccentric crank shaft, the inner ends of the left crank and the right crank are respectively sleeved on the two eccentric crank shafts, the outer side surface of the chain wheel is provided with a position-limit mechanism, the right crank passes through the position-limit mechanism, the left crank is connected with the chain wheel through a driving mechanism to realize linkage, the left crank maintains the corresponding position with the right crank through the other position-limit mechanism, and when the right crank is positioned in a right upper position, the left crank is positioned at an undermost position. The invention has reasonable design, and the force arm can change along with the rotation; when feet force to an extreme, the force arm of the left crank or the right crank is the longest, and the invention has wide range of application and favorable economic benefit.
Description
One. technical field: the present invention relates to a kind of bicycle drive, particularly relate to a kind of rickshaw transmission device with self-variable arm of force.
Two. background technology: at present, bicycle still is a kind of important vehicle in many countries, it have cost low, energy-conservation, take up an area of less, advantage such as flexible, existing bicycle left and right sides crank is separately fixed at the two ends of vehicle frame axis, and 180 ° each other, people by bike, be to step on pedal with what bipod replaced, drive bicycle walking by the crank rotary toothed disk, when riding, the power of pedaling of every pin reaches maxim gradually by null value, gets back to null value gradually from maxim again, then, the another pin begins the same process that circulates again.The length of the crank of existing bicycle is changeless mostly, pin begins reinforcing when crossing plumbness above crank turns to, pin is afterburning when crank turns to front lower place attitude close to the vertical shape finishes, cyclist's consumption power size depends on the length of crank, in giving afterburning this section degree of crank interval, as crank is extended, the cyclist just can be laborsaving.
Three. the content of invention:
Technical matters to be solved by this invention is: overcome the deficiencies in the prior art, the rickshaw transmission device with self-variable arm of force that provides a kind of reasonable in design, arm of force to change with rotation.
Technical scheme of the present invention: a kind of rickshaw transmission device with self-variable arm of force, contain left crank, right crank, sprocket wheel and mandrel, described mandrel right-hand member is connected with described sprocket rotation formula, and be respectively arranged with an offset crank shoft on the corresponding position on the end face of the described mandrel left and right sides, the inner of described left crank and right crank is set on two described offset crank shofts, the lateral surface of described sprocket wheel is provided with a stop gear, pass in described this stop gear of right crank, described left crank is connected with described sprocket wheel by transmission device, realize interlock, and described left crank keeps by another stop gear and the relative position of described right crank, described right crank is in when just going up the position, and left crank is positioned at upper/lower positions.
Described transmission device contains balance wheel, this balance wheel is connected with described mandrel left end rotary type, and, the medial surface of described balance wheel and described sprocket wheel is respectively arranged with an identical transmission gear, two linkage gear engagements that transmission gear is identical with two respectively, described two same wheel shafts of linkage gear, this wheel shaft is connected with an end rotary type of a pipe link, and the other end of this pipe link is fixed on the described mandrel or is fixed on the vehicle frame of rickshaw; The inner of described left crank and right crank is connected with two described offset crank shoft rotary types respectively, described another stop gear is arranged on the lateral surface of described balance wheel, described left crank passes from this stop gear, described two stop gears are provided with respect to the axle center antisymmetry, described right crank is in when just going up the position, left side crank is positioned at upper/lower positions, and described left crank and right crank can slide with respect to stop gear.
Be plain bearing formula connection structure between described mandrel and balance wheel and the described sprocket wheel, or be the rolling bearing type connection structure; Be plain bearing formula connection structure between described wheel shaft and the pipe link, or be the rolling bearing type connection structure; The inner of described left crank and right crank is plain bearing formula connection structure respectively and between two described offset crank shofts, or is the rolling bearing type connection structure.
Described stop gear is a U type ring set, is integral structure between this U type ring set and described sprocket wheel and the balance wheel, or is split modular structure, and described left crank and right crank pass from two U type ring sets respectively.
Perhaps, described stop gear is two limited posts, be integral structure between described limited post and described sprocket wheel and the balance wheel, or be split modular structure, described left crank and right crank pass from two limited posts of two stop gears respectively, be set with bearing on the described limited post, be convenient to left and right sides crank and slide with respect to limited post and reduce friction.Be integral structure between described transmission gear and described sprocket wheel and the balance wheel, or be split modular structure.
Another kind of structure: described transmission device contains trace, and, two described offset crank shofts on the end face of the described mandrel left and right sides are axises, this axis axially runs through described mandrel and is connected with the mandrel rotary type, captive joint with the left end of described axis in the inner of described left crank, captive joint with the right-hand member of described axis in the inner of described trace, described right crank is connected with the right part rotary type of described axis, described another stop gear is arranged on the lateral surface of described sprocket wheel, described trace outer end is passed from this stop gear, described two stop gears are symmetrical arranged with respect to the axle center, described right crank is in when just going up the position, trace is positioned at upper/lower positions, and described trace and right crank can slide with respect to stop gear, and described trace is parallel with left crank and be provided with in the same way.
Be plain bearing formula connection structure between described mandrel and the described axis, or be the rolling bearing type connection structure; Described left crank all is connected with described axis by nut with trace; Be plain bearing formula connection structure between the inner of described right crank and the described axis, or be the rolling bearing type connection structure.
Described stop gear is a U type ring set, is integral structure between this U type ring set and the described sprocket wheel, or is split modular structure, and described trace and right crank pass from two U type ring sets respectively; Perhaps, described stop gear is two limited posts, is integral structure between described limited post and the described sprocket wheel, or is split modular structure, and described trace and right crank pass from two limited posts of two stop gears respectively.Be set with bearing on the described limited post, be convenient to trace, right crank and slide with respect to limited post and reduce friction.
Beneficial effect of the present invention:
1, the present invention adopts brand-new design, the vehicle frame of its mandrel and bicycle is fixed, do not rotate, left side crank and right crank drive balance wheel and sprocket rotation by stop gear, and transmission gear and linkage gear can make balance wheel and sprocket wheel rotate in the same way synchronously, thereby reach the effect of final common drive sprocket, its modern design.
2, the turning cylinder of the left and right sides of the present invention crank axle center of departing from mandrel, when foot-operated moving left and right sides crank moves in a circle, the outer end of left and right sides crank constantly changes with respect to the distance in mandrel axle center, by as far as recently, again from recently to farthest, when left crank or right crank are positioned at the front upper place, promptly when pin is firmly maximum, the outer end of a left side crank or right crank with respect to the distance in mandrel axle center farthest, be equivalent to increase arm of force length like this, and in the place near with respect to the distance in mandrel axle center, the outer end of left crank or right crank, general by sliding, thus overall relatively lighter.
3, the present invention adopts transmission gear and linkage gear that balance wheel and sprocket wheel are organically combined, and is convenient to left and right sides crank alternately, simple and compact for structure, use very convenient.
4, rotary type of the present invention connects and can adopt plain bearing formula connection structure, also can the rolling bearing type connection structure, rotate more flexibly when adopting the rolling bearing type connection structure, and and be convenient to dismounting and maintenance.
5, stop gear of the present invention is simple and practical, can adopt integral structure, also can adopt split modular structure, be convenient to dismounting and maintenance when adopting split modular structure, on the limited post bearing is installed in addition, is convenient to left and right sides crank and slides, reduce friction with respect to limited post.
6, the another kind of structure of the present invention is to adopt axis and trace to substitute balance wheel and transmission gear, structure is simplified more, cost of manufacture is lower, trace and in the same way setting parallel with left crank, because trace and left crank are fixed on the same axis, the rotation of left side crank passes to sprocket wheel by trace, trace is equivalent to left crank, thereby reach the effect of the final common drive sprocket of left crank and right crank, the outer end of trace and right crank constantly changes with respect to the distance in mandrel axle center, by as far as recently, again from recently to farthest, when trace or right crank were positioned at the front upper place, promptly when pin is firmly maximum, the outer end of trace or right crank with respect to the distance in mandrel axle center farthest, be equivalent to increase arm of force length like this, and in the place near with respect to the distance in mandrel axle center, the outer end of trace or right crank, general by sliding, thus overall relatively lighter.
7, the present invention makes easily, cost is lower, is widely used in bicycle and manual tricycle, has good economic benefits after the popularization.
Four. description of drawings:
Fig. 1 is one of structural representation of rickshaw transmission device with self-variable arm of force;
Fig. 2 is one of right elevation of rickshaw transmission device with self-variable arm of force shown in Figure 1;
Fig. 3 be rickshaw transmission device with self-variable arm of force shown in Figure 1 right elevation two;
Fig. 4 be rickshaw transmission device with self-variable arm of force structural representation two;
Fig. 5 is one of right elevation of rickshaw transmission device with self-variable arm of force shown in Figure 4;
Fig. 6 be rickshaw transmission device with self-variable arm of force shown in Figure 4 right elevation two.
Five. the specific embodiment:
Embodiment one: referring to Fig. 1 and Fig. 2, among the figure, the two ends, mandrel 1 left and right sides of rickshaw transmission device with self-variable arm of force are connected with sprocket wheel 7 rotary types with balance wheel 3 respectively, the medial surface of sprocket wheel 7 and balance wheel 3 is respectively arranged with an identical transmission gear 5, two transmission gears 5 mesh with two identical linkage gears 4 respectively, two linkage gear 4 same wheel shafts, wheel shaft is connected with an end rotary type of pipe link 6, and these pipe link 6 other ends are fixed on the mandrel 1 and (also can be fixed on the vehicle frame of bicycle or manual tricycle); Be respectively arranged with an offset crank shoft 10 on the corresponding position on mandrel 1 left and right sides end face, the inner of left side crank 11 and right crank 8 is connected with two offset crank shoft 10 rotary types respectively, be respectively arranged with a stop gear 9 on the lateral surface of sprocket wheel 7 and balance wheel 3, left side crank 11 and right crank 8 pass from two stop gears 9 respectively, two stop gears 9 are provided with respect to the axle center antisymmetry, right crank 8 is in when just going up the position, left side crank 11 is positioned at upper/lower positions, and left crank 11 and right crank 8 can slide with respect to stop gear 9.
Be the rolling bearing type connection structure between mandrel 1 and balance wheel 3 and the sprocket wheel 7, also can adopt plain bearing formula connection structure; Be plain bearing formula connection structure between wheel shaft and the pipe link 6, also can be the rolling bearing type connection structure; The inner of left side crank 11 and right crank 8 is plain bearing formula connection structure respectively and between two offset crank shofts 10, also can be the rolling bearing type connection structure.2 is antifriction-bearing box.
During use, mandrel 1 is fixedly mounted on the vehicle frame of bicycle or manual tricycle, do not rotate, sprocket wheel 7 is connected with the flywheel of rear axle by chain, when foot-operated moving left and right sides crank 8,11 when moving in a circle, left and right sides crank 8,11 outer end constantly changes with respect to the distance in mandrel 1 axle center, by as far as recently, again from recently to farthest, when left crank 11 or right crank 8 are positioned at the front upper place, promptly when pin is firmly maximum, the outer end of a left side crank 11 or right crank 8 is equivalent to increase arm of force length with respect to the distance in mandrel 1 axle center farthest like this, and in the outer end of left crank 11 or right crank 8 nearest with respect to mandrel 1 axle center, general by sliding, thus overall relatively lighter.
Embodiment two: referring to Fig. 3, present embodiment and embodiment one are basic identical, something in common does not repeat, difference is: stop gear 9 is two limited posts, be integral structure between limited post and sprocket wheel 7 and the balance wheel 3, also can be split modular structure, left crank 11 and right crank 8 pass from two limited posts respectively.
Embodiment three: present embodiment and embodiment two are basic identical, and something in common does not repeat, and difference is: be set with bearing on the limited post, be convenient to left and right sides crank and slide with respect to limited post and reduce friction.
Embodiment four: referring to Fig. 4 and Fig. 5, numbering is identical with embodiment one among the figure, the meaning of representative is identical, something in common does not repeat, difference is: two offset crank shofts on mandrel 1 left and right sides end face are axises 13, this axis 13 axially runs through mandrel 1 and is connected with mandrel 1 rotary type, captive joint with the left end of axis 13 by nut 12 in the inner of left side crank 11, captive joint with the right-hand member of axis 13 by nut 12 in the inner of trace 14, right crank 8 is connected with the right part rotary type of axis 13, another stop gear 9 is arranged on the lateral surface of sprocket wheel 7, trace 14 outer ends are passed from this stop gear 9, two stop gears 9 are symmetrical arranged with respect to the axle center, right crank 8 is in when just going up the position, and trace 14 is positioned at upper/lower positions, and trace 14 and right crank 8 can be with respect to stop gear 9 slips, trace 14 and left crank 11 parallel and settings are in the same way realized interlock.
Be plain bearing formula connection structure between mandrel 1 and the axis 13, or be the rolling bearing type connection structure; Be plain bearing formula connection structure between the inner of right crank 8 and the axis 13, or be the rolling bearing type connection structure.15 is antifriction-bearing box.
During use, mandrel 1 is fixedly mounted on the vehicle frame of bicycle or manual tricycle, do not rotate, sprocket wheel 7 is connected with the flywheel of rear axle by chain, when foot-operated moving left and right sides crank 8,11 when moving in a circle, left side crank 11 and trace 14 interlocks, left side crank 11 is by trace 14 and stop gear 9 drive sprockets 7, left and right sides crank 8,11 outer end constantly changes with respect to the distance in mandrel 1 axle center, by as far as recently, again from recently to farthest, when left crank 11 or right crank 8 are positioned at the front upper place, promptly when pin is firmly maximum, the outer end of a left side crank 11 or right crank 8 is equivalent to increase arm of force length with respect to the distance in mandrel 1 axle center farthest like this, and in the outer end of left crank 11 or right crank 8 nearest with respect to mandrel 1 axle center, general by sliding, thus overall relatively lighter.
Embodiment five: referring to Fig. 6, present embodiment and embodiment four are basic identical, something in common does not repeat, difference is: stop gear 9 is two limited posts, be integral structure between limited post and the sprocket wheel 7, also can be split modular structure, trace 14 and right crank 8 pass from two limited posts of each stop gear 9 respectively.
Embodiment six: present embodiment and embodiment five are basic identical, and something in common does not repeat, and difference is: be set with bearing on the limited post, be convenient to trace and right crank and slide with respect to limited post and reduce friction.
Change stop gear concrete structure, change balance wheel and the concrete structure of trace and the version that changes between each rotatable parts and can form a plurality of embodiment, be common variation range of the present invention, do not describe in detail one by one at this.
Claims (10)
1. rickshaw transmission device with self-variable arm of force, contain left crank, right crank, sprocket wheel and mandrel, it is characterized in that: described mandrel right-hand member is connected with described sprocket rotation formula, and be respectively arranged with an offset crank shoft on the corresponding position on the end face of the described mandrel left and right sides, the inner of described left crank and right crank is set on two described offset crank shofts, the lateral surface of described sprocket wheel is provided with a stop gear, pass in described this stop gear of right crank, described left crank is connected with described sprocket wheel by transmission device, realize interlock, and described left crank keeps by another stop gear and the relative position of described right crank, described right crank is in when just going up the position, and left crank is positioned at upper/lower positions.
2. rickshaw transmission device with self-variable arm of force according to claim 1, it is characterized in that: described transmission device contains balance wheel, this balance wheel is connected with described mandrel left end rotary type, and, the medial surface of described balance wheel and described sprocket wheel is respectively arranged with an identical transmission gear, two linkage gear engagements that transmission gear is identical with two respectively, described two same wheel shafts of linkage gear, this wheel shaft is connected with an end rotary type of a pipe link, and the other end of this pipe link is fixed on the described mandrel or is fixed on the vehicle frame of rickshaw; The inner of described left crank and right crank is connected with two described offset crank shoft rotary types respectively, described another stop gear is arranged on the lateral surface of described balance wheel, described left crank passes from this stop gear, described two stop gears are provided with respect to the axle center antisymmetry, described right crank is in when just going up the position, left side crank is positioned at upper/lower positions, and described left crank and right crank can slide with respect to stop gear.
3. rickshaw transmission device with self-variable arm of force according to claim 2 is characterized in that: be plain bearing formula connection structure between described mandrel and balance wheel and the described sprocket wheel, or be the rolling bearing type connection structure; Be plain bearing formula connection structure between described wheel shaft and the pipe link, or be the rolling bearing type connection structure; The inner of described left crank and right crank is plain bearing formula connection structure respectively and between two described offset crank shofts, or is the rolling bearing type connection structure.
4. rickshaw transmission device with self-variable arm of force according to claim 3, it is characterized in that: described stop gear is a U type ring set, be integral structure between this U type ring set and described sprocket wheel and the balance wheel, or be split modular structure, described left crank and right crank pass from two U type ring sets respectively.
5. rickshaw transmission device with self-variable arm of force according to claim 3, it is characterized in that: described stop gear is two limited posts, be integral structure between described limited post and described sprocket wheel and the balance wheel, or be split modular structure, described left crank and right crank pass from two limited posts of two stop gears respectively, be set with bearing on the described limited post, be convenient to left and right sides crank and slide with respect to limited post and reduce friction.
6. according to the arbitrary described rickshaw transmission device with self-variable arm of force of claim 2-5, it is characterized in that: be integral structure between described transmission gear and described sprocket wheel and the balance wheel, or be split modular structure.
7. rickshaw transmission device with self-variable arm of force according to claim 1, it is characterized in that: described transmission device contains trace, and, two described offset crank shofts on the end face of the described mandrel left and right sides are axises, this axis axially runs through described mandrel and is connected with the mandrel rotary type, captive joint with the left end of described axis in the inner of described left crank, captive joint with the right-hand member of described axis in the inner of described trace, described right crank is connected with the right part rotary type of described axis, described another stop gear is arranged on the lateral surface of described sprocket wheel, described trace outer end is passed from this stop gear, described two stop gears are symmetrical arranged with respect to the axle center, described right crank is in when just going up the position, trace is positioned at upper/lower positions, and described trace and right crank can slide with respect to stop gear, and the in the same way setting parallel with left crank of described trace.
8. rickshaw transmission device with self-variable arm of force according to claim 7 is characterized in that: be plain bearing formula connection structure between described mandrel and the described axis, or be the rolling bearing type connection structure; Described left crank all is connected with described axis by nut with trace; Be plain bearing formula connection structure between the inner of described right crank and the described axis, or be the rolling bearing type connection structure.
9. according to claim 7 or 8 described rickshaw transmission device with self-variable arm of force, it is characterized in that: described stop gear is a U type ring set, be integral structure between this U type ring set and the described sprocket wheel, or be split modular structure, described trace and right crank pass from two U type ring sets respectively; Perhaps, described stop gear is two limited posts, is integral structure between described limited post and the described sprocket wheel, or is split modular structure, and described trace and right crank pass from two limited posts of two stop gears respectively.
10. rickshaw transmission device with self-variable arm of force according to claim 9 is characterized in that: be set with bearing on the described limited post, be convenient to trace, right crank and slide with respect to limited post and reduce friction.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100641743A CN101480986A (en) | 2009-02-04 | 2009-02-04 | Self-changing lever arm type manpower vehicle transmission mechanism |
| CN200910151008A CN101633387A (en) | 2009-02-04 | 2009-06-28 | Rickshaw transmission device with self-variable arm of force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100641743A CN101480986A (en) | 2009-02-04 | 2009-02-04 | Self-changing lever arm type manpower vehicle transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101480986A true CN101480986A (en) | 2009-07-15 |
Family
ID=40878319
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100641743A Pending CN101480986A (en) | 2009-02-04 | 2009-02-04 | Self-changing lever arm type manpower vehicle transmission mechanism |
| CN200910151008A Pending CN101633387A (en) | 2009-02-04 | 2009-06-28 | Rickshaw transmission device with self-variable arm of force |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910151008A Pending CN101633387A (en) | 2009-02-04 | 2009-06-28 | Rickshaw transmission device with self-variable arm of force |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN101480986A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448859A (en) * | 2012-06-04 | 2013-12-18 | 李俊毅 | Asynchronous crank structure |
-
2009
- 2009-02-04 CN CNA2009100641743A patent/CN101480986A/en active Pending
- 2009-06-28 CN CN200910151008A patent/CN101633387A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448859A (en) * | 2012-06-04 | 2013-12-18 | 李俊毅 | Asynchronous crank structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101633387A (en) | 2010-01-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103600807A (en) | Commutation transmission capable of allowing bicycle to be pedaled both frontwards and backwards | |
| CN101480986A (en) | Self-changing lever arm type manpower vehicle transmission mechanism | |
| CN203888986U (en) | Transmission mechanism of bicycle | |
| CN203005673U (en) | Gravity assistance system of bicycle | |
| CN105752261B (en) | A kind of chain-less bicycle based on cam and the transmission of crank slide bar | |
| CN201842212U (en) | Box type speed changer for bicycle | |
| CN211076229U (en) | Chainless bicycle | |
| GB2422359A (en) | Reciprocatory power transmission system | |
| CN203681818U (en) | Labor-saving bicycle | |
| CN2811146Y (en) | Double chain transmission pedal type manpower vehicle | |
| CN102431625B (en) | Driving device for labor-saving bicycle | |
| CN202320693U (en) | Labor-saving bicycle driving device | |
| CN203473218U (en) | Foot-operated power set for waterborne bicycle | |
| CN201447039U (en) | Bicycle labor-saving driving device | |
| CN2523692Y (en) | Backing-up devices of motor tricycles | |
| CN2837188Y (en) | Self-acting scooter | |
| CN204587206U (en) | A kind of bicycle driver | |
| CN110562378A (en) | Chainless bicycle | |
| CN104787215A (en) | Bike driving device | |
| CN201049722Y (en) | Compound ratio transmission centre shaft mechanism for bicycle | |
| CN201457664U (en) | Internally-contained rear-treading gear type bicycle | |
| CN202609015U (en) | Bicycle front wheel driving device | |
| CN201472596U (en) | Comfortable labor-saving type double-stress application bicycle | |
| CN2926028Y (en) | Reciprocating manpower-driving mechanism | |
| CN2621144Y (en) | Scooter with pedals |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |