CN101311064A - Motorcycle gear changing system - Google Patents
Motorcycle gear changing system Download PDFInfo
- Publication number
- CN101311064A CN101311064A CNA2008100696741A CN200810069674A CN101311064A CN 101311064 A CN101311064 A CN 101311064A CN A2008100696741 A CNA2008100696741 A CN A2008100696741A CN 200810069674 A CN200810069674 A CN 200810069674A CN 101311064 A CN101311064 A CN 101311064A
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- China
- Prior art keywords
- spool
- valve pocket
- gear changing
- air extractor
- extractor duct
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Abstract
The invention discloses a shift system of a motorcycle, wherein, a shift rod of an engine is fixed with the inner end of a valve core; a valve housing is sheathed on the valve core; an air inlet and two air outlets are cut on the circumferential surface of the valve housing; the valve housing can rotate on the valve core; the air inlet on the valve housing is selectively communicated with a first air outlet and a second air outlet by a commutating channel cut on the valve core along a radial direction. The first air outlet is communicated with a rodless cavity of an executive cylinder by a first air exit pipe; the second air outlet is communicated with a rod cavity of the executive cylinder by a second air exit pipe; a piston rod of the executive cylinder is articulated with the lower end of a driving arm; the upper end of the driving arm is fixedly connected with the outer end of the valve core; a control dial is movably sheathed on the valve core; a stay rope of the control dial is connected with a roller wheel which is arranged at a control handle. By controlling the engine to shift gears under air control, the shift system of the invention not only has the advantages of simple operation, accuracy and reliability, but also effectively prevents the occurrence of the trip stop, reinforces the safety of driving and can be widely applied to bestriding motorcycles or pedal motorcycles.
Description
Technical field
The present invention relates to a kind of gear changing system of motor bike, so that by the pneumatic driving engine conversion gear of controlling.
Background technology
At present, general natural air cooled driving engine, the employing step change transmission installed on the riding-type motorcycle.Step change transmission driving efficiency height, energy consumption are little, but the control variable block is handled complicated, poor accuracy.This is because the operation of the variable block of riding-type motorcycle is moved with foot control system engine gear changing bar by chaufeur to be carried out, and the gear of driving engine is the circulation retaining, and the dynamic position of engine gear changing bar has only two.When chaufeur is stepped on the variable block pedal with left foot, make the engine gear changing bar with variable block pedal cw or when rotating counterclockwise, the engine gear changing bar drives the variable speed drum rotation, moves thereby drive shift fork, to change the engagement object that major and minor axle cogs, realize the replacing of gear; After chaufeur left foot the power on the variable block pedal of acting on disappeared, under the effect of variable block recoil of spring power, engine gear changing bar conter clockwise or clockwise rotate was got back to initial position.As everyone knows, the alerting ability of pin is far away less than hand, therefore driver's experiences is extremely important, pin is stepped on the dynamics of gear shifting rod and must be grasped, otherwise the phenomenon of easily trip stopping, this is quite dangerous in the process of motorcycle driving, if jump to neutral when shifting gears suddenly, wheel loses propulsive effort suddenly, has serious potential safety hazard.
The general forced air cold engine of installing adopts belt continuously variable transmission on the pedal motorcycle, has advantage such as need not manually shift gears, easy to operate, especially is suitable for the Ms and rides.But the driving efficiency of belt continuously variable transmission is low, has only about 75%, and energy consumption and driving engine cal val are big, and air cooling effect is undesirable.If pedal motorcycle adopts natural air cooled driving engine, step change transmission, because of adopting sitting posture, the user drives, and adopt foot-operated control variable block extremely inconvenient.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of manipulation simple and motorcycle gear changing system accurately and reliably.
Technical scheme of the present invention is as follows: a kind of motorcycle gear changing system, comprise the engine gear changing bar, its key is: the present invention also comprises spool, valve pocket, carry out cylinder, connecting rod, actuating arm, control wheel and manipulating handgrip, the inner of described engine gear changing bar and spool is fixed, at valve core upper sleeve dress valve pocket, offer an admission port and two air extractor ducts on the periphery of this valve pocket, admission port wherein, first air extractor duct and second air extractor duct rectangular distribution on same circumference, described valve pocket can rotate on spool, and the commutation passage that the admission port on the valve pocket is directly upwards offered by spool communicates with first air extractor duct or second air extractor duct selectively; Described first air extractor duct is communicated with the rodless cavity of carrying out cylinder by first freeing pipe, second air extractor duct is communicated with the rod chamber of carrying out cylinder by second freeing pipe, the piston rod of described execution cylinder is hinged by the lower end of connecting rod and actuating arm, captives joint with the outer end of spool in the upper end of actuating arm; Going back kink on described spool has control wheel, and this control wheel and valve pocket are fixed, and is connected with roller by drag-line, and described roller is installed on the manipulating handgrip of motorcycle.
Carrying out cylinder among the present invention is installed on one's body the motorcycle, and be positioned at the rear side of driving engine, admission port on the valve pocket is connected with source of the gas by tracheae, and source of the gas can be the high-pressure gas bottle that motor bike carries, and also can be by getting the tail gas in the exhaust pipe of engine that the mechanism of qi structure obtains.When initial, the admission port on the valve pocket does not all communicate with first air extractor duct and second air extractor duct.When needs conversion gear, chaufeur can rotate the manipulating handgrip on the headstock as required, make manipulating handgrip and roller cw or rotate counterclockwise, roller rotates by drag-line pulling control wheel, valve pocket rotates with control wheel, admission port is communicated with first air extractor duct or second air extractor duct by the commutation passage on the spool, form path between source of the gas and the execution cylinder like this, the high pressure gas at source of the gas place enter rodless cavity or the rod chamber of carrying out cylinder, promote to carry out the protruding or retraction of piston rod of cylinder, when carrying out the piston rod action of cylinder, drive actuating arm by connecting rod, make with the fixing engine gear changing bar cw of actuating arm or rotate counterclockwise, to realize corresponding variable block.
The present invention finishes automatic variable block by rotating the conducting gas circuit with the hand shift manipulating handgrip, and not only manipulation is very simple, and accurately and reliably.The present invention can be used on the riding-type motorcycle, riding-type motorcycle driving efficiency height, advantage that energy consumption is little had both been kept, overcome traditional riding-type motorcycle again and handled deficiency complicated, poor accuracy with the pin variable block, and the generation that can effectively prevent to trip stop, traveling security strengthened.The present invention also can be used on the pedal motorcycle, makes pedal motorcycle adopt natural air cooled driving engine, step change transmission, can have the driving efficiency height concurrently, advantages such as energy consumption is little, manipulation is simple, dependable performance.
Above-mentioned engine gear changing bar stretches into the inner of spool, both splines connect, fix by the locking bolt that the footpath upwards wears, the outer end of spool passes from valve pocket, and fix by flat key and actuating arm, be fixed with the trundle that radially wears on described spool, the outer end of this trundle is arranged in the scallop on the valve pocket.Above structure can guarantee that the action of manipulating handgrip drives the relative valve core rotation certain angle of valve pocket earlier, makes source of the gas and carry out between the cylinder to form path; When the piston rod drive spool of execution cylinder moved, under the effect of trundle, spool and valve pocket can rotate together, and spool is driven in the process of engine gear changing bar motion, conducting all the time between source of the gas and the execution cylinder, the reliability that assurance is shifted gears.
For the ease of processing, the commutation passage on the above-mentioned spool is made up of two sections unthreaded holes, is " ∨ " shape, and the angle between two unthreaded holes is 120 °.
Above-mentioned control wheel is connected with roller by first, second two drag-lines.Because the angle that manipulating handgrip rotates is limited, therefore two drag-lines are set and link to each other with control wheel, when manipulating handgrip clockwise rotated, first drag-line was tightened, and drove the control wheel rotation, and second drag-line is lax; When manipulating handgrip rotated counterclockwise, second drag-line was tightened, and drove the control wheel rotation, first drag-line is lax, so neither change the structure of manipulating handgrip, can guarantee that again the action of manipulating handgrip in time, accurately passes to control wheel, thereby further ensure the reliability of air controlled gear changing.
For simplified structure, be convenient to install, the interior card of above-mentioned control wheel is fitted with the outer face of valve pocket, and by screw retention, the spiral shell head of this screw is arranged in the control wheel deep gouge offered of card outward.
Beneficial effect: the present invention adopts air operated control driving engine conversion gear, not only handles simply, accurately and reliably, and has effectively prevented the generation of trip stopping, and has strengthened traveling security.The present invention can be widely used on riding-type motorcycle or the pedal motorcycle, makes motor bike have advantages such as driving efficiency height, energy consumption be little.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the A-A cutaway view Amplified image of Fig. 1.
Fig. 3 is the B-B cutaway view of Fig. 2.
Fig. 4 is the cooperate scheme drawing of valve pocket among the present invention with spool.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
As Fig. 1, Fig. 2, shown in Figure 3, the present invention is by component set-ups such as engine gear changing bar 1, spool 2, valve pocket 3, first freeing pipe 4, second freeing pipe 6, execution cylinder 5, connecting rod 7, actuating arm 8, control wheel 11, first drag-line 12, second drag-line 13, roller 14 and manipulating handgrips 15, wherein manipulating handgrip 15, engine gear changing bar 1 and engine gear changing bar 1 are prior art with the annexation of the interior associated components of driving engine, and its structure is not done at this and given unnecessary details.Described valve pocket 3 has the end, the uncovered tubular structure in outer end for the inner, offers the via hole that stretches into for engine gear changing bar 1 at the tube end of valve pocket 3.Spool 2 is the outer little interior big stepped cylindrical structure of syllogic, and described valve pocket 3 is sleeved on the maximum gauge section of spool 2, both free-running fits, and valve pocket 3 can rotate on spool 2.The inner of engine gear changing bar 1 is stretched in the driving engine (not drawing among the figure), and the via hole at the bottom of 3 of the valve pockets is passed in the outer end of engine gear changing bar 1, and stretches into the inner of spool 2, and both splines connect, and is fixing by the locking bolt 9 that the footpath upwards wears.Trundle 10 upwards passes the scallop 3d that valve pocket 3 outer ends are offered from the footpath, and stretch in the spool 2 cooresponding mounting holes, the inner of trundle 10 and spool 2 are fixing, the outer end is arranged in the scallop 3d of valve pocket 3, trundle 10 and scallop 3d cooperate, in order to control valve pocket 3 and spool 2 angle in relative rotation.
From Fig. 1, Fig. 2, Fig. 4 as can be known, upwards offer commutation passage 2a in the footpath of spool 2, this commutation passage 2a is made up of two sections unthreaded holes, is " ∨ " shape, and the angle between two unthreaded holes is 120 °.On the periphery of valve pocket 3, offer an admission port 3a and two air extractor duct 3b, 3c, wherein admission port 3a, the first air extractor duct 3b and second air extractor duct 3c rectangular distribution on same circumference, and admission port 3a, the first air extractor duct 3b, the second air extractor duct 3c and spool commutation passage 2a are positioned on the same circumference.Because valve pocket 3 can turn an angle on spool 2, the admission port 3a on the valve pocket 3 can have the person of choosing ground to communicate with the first air extractor duct 3b or the second air extractor duct 3c by spool commutation passage 2a like this.Inlet suction port 17 is installed in the outside of admission port 3a on described valve pocket 3, and this inlet suction port 17 can be connected with source of the gas 21 by tracheae 20, and admission port 3a is communicated with source of the gas 21.Source of the gas 21 can be the high-pressure gas bottle that motor bike carries, and also can be by getting the tail gas in the exhaust pipe of engine that the mechanism of qi structure obtains.The first air extractor duct 3b and the second air extractor duct 3c install first air outlet adapter 18 and second air outlet adapter 19 respectively in the outside on described valve pocket 3, wherein first air outlet adapter 18 is connected with the afterbody of carrying out cylinder 5 by first freeing pipe 4, and the first air extractor duct 3b is communicated with the rodless cavity of carrying out cylinder 5 cylinder bodies; Second air outlet adapter 19 is connected with the front end of carrying out cylinder 5 cylinder bodies by second freeing pipe 6, and the second air extractor duct 3c is communicated with the rod chamber of carrying out cylinder 5.
From Fig. 1 further as can be known, the piston rod of execution cylinder 5 and connecting rod 7 one is hinged, and the lower end of the other end of connecting rod 7 and actuating arm 8 is hinged, and the upper end of actuating arm 8 is sleeved on the minimum diameter section of spool 2 outer ends, spacing by back-up ring 22, and pass through the flat key transmission between actuating arm 8 and the spool 2.Kink has control wheel 11 in the stage casing of spool 2, and the interior card of this control wheel 11 and the outer face of valve pocket 3 are fitted, and fixing by screw 16, and the spiral shell head of this screw 16 is arranged in the deep gouge that control wheel 11 outer cards are offered.The lower end of described first, second drag-line 12,13 is fixed on the control wheel 11, and the upper end of first, second drag-line 12,13 is connected with roller 14, and roller 14 is installed on the manipulating handgrip 15 of motorcycle.
The present invention is work like this:
When initial, the admission port 3a on the valve pocket 3 does not all communicate with the first air extractor duct 3b and the second air extractor duct 3c.When chaufeur clockwise rotated manipulating handgrip 15 on the headstock with hand, manipulating handgrip 15 and roller 14 clockwise rotated, and first drag-line 12 is tightened, and drove control wheel 11 clickwises, and second drag-line 13 is lax; Valve pocket 3 rotates with control wheel 11, wall until scallop 3d right-hand member shown in Figure 3 is blocked by trundle 10, admission port 3a on the valve pocket 3 communicates with the first air extractor duct 3b by spool commutation passage 2a at this moment, form path between source of the gas 21 and the execution cylinder 5 like this, the high pressure gas at source of the gas 21 places are successively by tracheae 20, admission port 3a, commutation passage 2a, the first air extractor duct 3b and first freeing pipe 4, enter the rodless cavity of carrying out cylinder 5, the piston rod that promotes execution cylinder 5 is protruding, when carrying out the piston rod action of cylinder 5, drive actuating arm 8 by connecting rod 7, make actuating arm 8, spool 2 and engine gear changing bar 1 clockwise rotate, to finish the cw variable block.
When chaufeur rotated counterclockwise manipulating handgrip 15 on the headstock with hand, manipulating handgrip 15 and roller 14 rotated counterclockwise, and second drag-line 13 is tightened, and drove control wheel 11 left-hand revolutions, and first drag-line 12 is lax; Valve pocket 3 rotates with control wheel 11, wall until scallop 3d left end shown in Figure 3 is blocked by trundle 10, admission port 3a on the valve pocket 3 communicates with the second air extractor duct 3c by spool commutation passage 2a at this moment, form path between source of the gas 21 and the execution cylinder 5 like this, the high pressure gas at source of the gas 21 places are successively by tracheae 20, admission port 3a, commutation passage 2a, the second air extractor duct 3c and second freeing pipe 6, enter the rod chamber of carrying out cylinder 5, promote to carry out the piston rod retraction of cylinder 5, when carrying out the piston rod action of cylinder 5, drive actuating arm 8 by connecting rod 7, make actuating arm 8, spool 2 and engine gear changing bar 1 rotate counterclockwise, to finish the conter clockwise variable block.
In the process of cw or conter clockwise variable block, trundle 10 rotates synchronously by the wall promotion valve pocket 3 of scallop 3d, makes source of the gas 21 and carries out conducting all the time between the cylinder 5, to guarantee the reliability of gearshift.After gearshift is finished, unclamp manipulating handgrip 15, in driving engine under the effect of Bringing-back mechanism, each parts return.
Claims (5)
1, a kind of motorcycle gear changing system, comprise engine gear changing bar (1), it is characterized in that: described engine gear changing bar (1) is fixed with the inner of spool (2), go up suit valve pocket (3) at spool (2), offer an admission port (3a) and two air extractor duct (3b on the periphery of this valve pocket (3), 3c), admission port (3a) wherein, first air extractor duct (3b) and second air extractor duct (3c) rectangular distribution on same circumference, described valve pocket (3) can be gone up at spool (2) and rotate, and the commutation passage (2a) that the admission port (3a) on the valve pocket (3) is upwards offered by spool (2) footpath communicates with first air extractor duct (3b) or second air extractor duct (3c) selectively; Described first air extractor duct (3b) is communicated with the rodless cavity of carrying out cylinder (5) by first freeing pipe (4), second air extractor duct (3c) is communicated with the rod chamber of carrying out cylinder (5) by second freeing pipe (6), the piston rod of described execution cylinder (5) is hinged with the lower end of actuating arm (8) by connecting rod (7), captives joint with the outer end of spool (2) in the upper end of actuating arm (8); Going back kink on described spool (2) has control wheel (11), and this control wheel (11) is fixing with valve pocket (3), and is connected with roller (14) by drag-line, and described roller (14) is installed on the manipulating handgrip (15) of motorcycle.
2, a kind of motorcycle gear changing system according to claim 1, it is characterized in that: described engine gear changing bar (1) stretches into the inner of spool (2), both splines connect, fixing by the locking bolt (9) that the footpath upwards wears, the outer end of spool (2) passes from valve pocket (3), and fixing by flat key and actuating arm (8), on described spool (2), be fixed with the trundle (10) that radially wears, the outer end of this trundle (10) is arranged in the scallop (3d) on the valve pocket (3).
3, a kind of motorcycle gear changing system according to claim 1 and 2, tool is characterised in that: the commutation passage (2a) on the described spool (2) is made up of two sections unthreaded holes, is " ∨ " shape, and the angle between two unthreaded holes is 120 °.
4, a kind of motorcycle gear changing system according to claim 1 is characterized in that: described control wheel (11) is connected with roller (14) by first, second two drag-lines (12,13).
5, according to claim 1 or 4 described a kind of motorcycle gear changing systems, it is characterized in that: the outer face of the interior card of described control wheel (11) and valve pocket (3) is fitted, and fixing by screw (16), the spiral shell head of this screw (16) is arranged in the deep gouge that the outer card of control wheel (11) is offered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100696741A CN101311064B (en) | 2008-05-14 | 2008-05-14 | Motorcycle gear changing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100696741A CN101311064B (en) | 2008-05-14 | 2008-05-14 | Motorcycle gear changing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101311064A true CN101311064A (en) | 2008-11-26 |
| CN101311064B CN101311064B (en) | 2011-04-13 |
Family
ID=40099931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100696741A Expired - Fee Related CN101311064B (en) | 2008-05-14 | 2008-05-14 | Motorcycle gear changing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101311064B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876371A (en) * | 2009-05-01 | 2010-11-03 | 杜拉环球技术公司 | Gear shift pulling cable assembly and be used for the connector of this gear shift pulling cable assembly |
| CN104976339A (en) * | 2014-04-02 | 2015-10-14 | 季维新 | Oil circuit controller for automobile transmission |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0120571A1 (en) * | 1983-02-14 | 1984-10-03 | Telewe', Inc. | Improved pneumatic shifter for multi-speed bicycles |
| US5411448A (en) * | 1992-10-06 | 1995-05-02 | Honda Giken Kogyo Kabushiki Kaisha | Gear shifting mechanism for a transmission |
| US6189905B1 (en) * | 1999-01-07 | 2001-02-20 | Gt Bicycles, Inc. | Shock absorbing bicycle with pressurized air supply system |
| CN2700225Y (en) * | 2003-10-10 | 2005-05-18 | 韩业旻 | Five-speed planetary gear automatic transmission |
| CN201217491Y (en) * | 2008-05-14 | 2009-04-08 | 力帆实业(集团)股份有限公司 | Gas-control gear shifting apparatus of motorcycle |
-
2008
- 2008-05-14 CN CN2008100696741A patent/CN101311064B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876371A (en) * | 2009-05-01 | 2010-11-03 | 杜拉环球技术公司 | Gear shift pulling cable assembly and be used for the connector of this gear shift pulling cable assembly |
| CN104976339A (en) * | 2014-04-02 | 2015-10-14 | 季维新 | Oil circuit controller for automobile transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101311064B (en) | 2011-04-13 |
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Granted publication date: 20110413 Termination date: 20190514 |
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| CF01 | Termination of patent right due to non-payment of annual fee |