CN200974600Y - Device for reducing oil-consumption of pedal motorcycle - Google Patents
Device for reducing oil-consumption of pedal motorcycle Download PDFInfo
- Publication number
- CN200974600Y CN200974600Y CN 200620035875 CN200620035875U CN200974600Y CN 200974600 Y CN200974600 Y CN 200974600Y CN 200620035875 CN200620035875 CN 200620035875 CN 200620035875 U CN200620035875 U CN 200620035875U CN 200974600 Y CN200974600 Y CN 200974600Y
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- power
- clutch
- wheel
- transfer clutch
- axle
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- 210000000003 hoof Anatomy 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000000446 fuel Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract 1
- 230000008859 change Effects 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 2
- 241000269799 Perca fluviatilis Species 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a device capable of reducing fuel consumption of a pedal motorcycle. A clutch driving board (5) with a shoe assembly is fixed on an end part of a bending shaft, a clutch friction plate is connected with an active belt pulley and the utility model brings the position of the clutch forward to reduce the mechanical loss greatly and save the fuel. The fuel saving effect is 1/3 to 1/2 of the original fuel consumption and the economic benefit is remarkable.
Description
Affiliated field
The utility model generally belongs to a kind of pedal motorcycle, and particularly a kind of pedal motorcycle reduces the device of oil consumption.
Background technology
The rear wheel drive system of known four stroke pedal motorcycle normally links to each other by a kind of continuously variable unit the power of motor cycle engine with the axle drive shaft of motorcycle-gear case.Its concrete structure comprises, described continuously variable unit is a belt transmission, main pulley comprises the driving wheel and the mobile friction wheel that are enclosed within the engine crankshaft end, the two-wheel back can be imbedded a belt in opposite directions, and mobile friction wheel can be made slight displacement along the axis of crankshaft end.Axle drive shaft is with driven pulley, comprise mobile flower wheel and flower wheel, mobile flower wheel is enclosed within on the axle sleeve and can axially moves, and links to each other with power-transfer clutch by a sleeve spring device, power-transfer clutch passes to gear case by axle drive shaft with moment of torsion, and the gear case outputting power drives trailing wheel and rotates.
Be provided with six raceways in the recessed dish at the mobile friction wheel back in the driving pulley, low outer high aslope is divided into three grades and is evenly distributed on its circumference in the raceway, and six centrifugal rollers are contained in respectively in each raceway, are pushed down by chuck.When engine crankshaft drives the main pulley rotation, centrifugal roller just produces centnifugal force, along with rotating speed rising centnifugal force increases, centrifugal roller just outwards flies out along the raceway on the friction wheel under action of centrifugal force, because chuck is fixed on the bent axle motionless, under the slope combined action of it and mobile friction wheel inboard raceways, centrifugal roller is outwards passed mobile friction wheel, drive belt is outwards extruded, again because the width between centers of driving pulley and driven pulley is constant, therefore force the mobile flower wheel compression flower wheel big spring of driven pulley outwards to move, make between flower wheel and the mobile flower wheel and widen at interval, reduce the driven pulley working diameter, the driving pulley working diameter becomes big gradually like this, the driven pulley working diameter diminishes gradually, and transmitting ratio is diminished gradually, has realized stepless variable drive from low speed to high speed.Otherwise, when engine speed descends, because the centnifugal force that centrifugal roller produces reduces, at this moment the axial thrust of mobile friction wheel also reduces, and mobile friction wheel moves inward, the driving pulley working diameter reduces, at this moment mobile flower wheel moves inward under the effect of flower wheel big spring, and drive belt is outwards extruded, and the working diameter of driven pulley is increased, transmitting ratio is become greatly gradually, realized from a high speed to low-tach stepless variable drive.
The power-transfer clutch that joins with driven pulley is by power-transfer clutch hoof block assembly, and clutch disk and clutch drive plate are formed.Power-transfer clutch hoof piece is hinged with the straight pin that is fixed on the drive plate, therefore the hoof piece can rotate an angle around straight pin, also has an aperture on the straight pin simultaneously, an end of being convenient to clutch spring passes aperture and fixes, the aperture that the other end of spring passes on the adjacent hoof piece is affixed, be not in slew mode or speed when low at power-transfer clutch, the friction lining on the hoof piece does not contact with friction disc under the spring force effect.When engine output power by bent axle, driving pulley, drive belt, driven pulley and be delivered on the drive plate of power-transfer clutch drive the clutch drive plate rotation.When the clutch drive plate rotative speed raises gradually, the centnifugal force that power-transfer clutch hoof piece on the drive plate is produced also increases gradually, when the centnifugal force of hoof piece greater than action of the spring during in its pulling force, the hoof piece outwards opens around straight pin, make friction lining and clutch disk inwall on its outer circumference be in engagement state, produce friction force, the drive clutch disk rotates, and then the drive shaft turns of drive gear casing, realized that engine power outwards exports by power-transfer clutch, when the rotating speed of driving engine reduces, the clutch drive plate rotating speed decreases, the centnifugal force that power-transfer clutch hoof piece on the drive plate is produced reduces, when the centnifugal force of hoof piece during less than the pulling force of clutch spring the hoof piece under the effect of clutch spring pulling force, throw off and produce the gap with the clutch disk inwall, make power-transfer clutch be in released state, thus the takeoff output of combustion cutoff.
From the drive connection analysis of the four stroke pedal motorcycle of above known technology as can be known, there is multiple unfavorable factor the back that power-transfer clutch is placed on messenger chain.After the power-transfer clutch of known pedal type 4 stroke motorcycle is in the flower wheel of transmission system, power-transfer clutch need reach per minute more than 1000 to be changeed, just having enough centnifugal forces to drive friction disc rotates, and the rotating speed of driving engine has reached per minute more than 3000 commentaries on classics at this moment, nearly 2000 speed of walking around have been lost, will be how Hong several times throttle just can make driving engine reach this rotating speed, so oil consumption is inevitable.
Power-transfer clutch is placed on the position that keeps clear of driving engine, the power that is obtained is the product of each motion link mechanical efficiency in the messenger chain, and the power-transfer clutch weight of known technology is heavier, the moment of torsion that power-transfer clutch needs during the starting climbing is also bigger, and power-transfer clutch will transmit big moment of torsion, the power plate of power-transfer clutch must obtain higher rotation speed just has enough centnifugal forces that the hoof piece is close on the friction disc, reason owing to mechanical efficiency, the power that power-transfer clutch obtained is had a greatly reduced quality, make power-transfer clutch obtain enough moments of torsion so driving engine can only improve rotating speed again, oil consumption is increased.
In view of above-mentioned many reasons, can understand that at least the rear end that power-transfer clutch is located at messenger chain is unfavorable.
Because above factor causes the pedal motorcycle speed change difficulty of existing multiple model, in the operation of slow speed of revolution district, consumption of fuel increases motor bike all the time, high rotating speed ability speed change, and engine wear is big, and engine power is not directly proportional with rotating speed.According to statistics, the consumption of fuel of 125 existing type pedal motorcycles is the 2.7L/100 kilometer.
The utility model content
The shortcoming that provides one can overcome prior art is provided the purpose of this utility model, can reduce the device of pedal motorcycle oil consumption by a relatively large margin.
For achieving the above object, scheme of the present utility model is: be fixedly connected with the drive plate of one pair of power-transfer clutch band hoof block assembly in crankshaft end, clutch disk and driving pulley join.
Adopt such scheme, the position of power-transfer clutch in the messenger chain is shifted to an earlier date, before making power-transfer clutch be in the speed change first time, because the speed that obtains bent axle is without speed change, and mechanical efficiency is higher, just can drive clutch disk than the moment of torsion that is several times lower than in the back, because required moment of torsion is little, the hoof block assembly of power-transfer clutch needn't be done very heavyly, and the radius of friction disc and weight can alleviate, like this rotating speed that need only be lower during clutch.When being installed in the back, the highlyest want 20,000 commentaries on classics, only need 7000 to change and can obtain to drive equally the ability that motor bike advances now,, significantly reduced mechanical wear owing to reduced engine speed as the power-transfer clutch of known technology, and fuel-economizing.
Below in conjunction with accompanying drawing scheme of the present utility model is described in more detail.
Description of drawings
Fig. 1 is the motor bike block diagram of the device of reduction pedal motorcycle oil consumption;
Fig. 2 is an A-A cutaway view among Fig. 1;
Fig. 3 is a B-B cutaway view among Fig. 1;
Fig. 4 is the block diagram of structure among Fig. 2.
The specific embodiment
Be illustrated in figure 1 as a kind of 125 homemade type pedal motorcycles, four-stroke motor is used as power, it is a kind of typical vehicle of homemade motor bike, engine at extreme rear adopts continuously variable unit, and described transmission system comprises the promptly preceding Pulley of the driving pulley of the end 1 that is installed in engine crankshaft, by belt 2 be installed in after gear case axle drive shaft 3 on driven pulley, promptly the back Pulley joins, and with this transferring power, also is the part of continuing to use prior art in this programme.
Fig. 2 has one of part of feature most in this programme, Fig. 4 is the breakaway-element diagram of its structure.In above-mentioned diagram, between driving pulley and crankshaft end, be connected to one pair of clutch equipment, this scheme shifts to an earlier date the clutch position of postpone in the messenger chain in the prior art, thereby has produced unexpected effectiveness.
Though power-transfer clutch all is made up of the element of known technology basically, as comprise power-transfer clutch hoof block assembly, clutch drive plate and clutch disk etc., one group of straight pin is arranged on the clutch drive plate, one end of each piece hoof piece is porose to be cooperated with straight pin, and is connected with a clutch spring, thereby the hoof piece pushes against the friction disc transfer torque under centrifugal action when rotating, but, still have many improvement specific to the structure of this programme.
In this programme, the drive plate 5 of described power-transfer clutch band hoof block assembly 4 is captiveed joint with crankshaft end 1.Be to cooperate in this programme, thereby drive plate 5 is captiveed joint with bent axle with the screw hole that a bolt passes on the end face of drive plate centre hole and crankshaft end, also can be at crankshaft end tapping upper cap nut captive joint.
Be combined with an axle sleeve 6 at the axle journal place of crankshaft end 1, an end outside on the axle sleeve 6 is affixed with the driving wheel 7 in the driving pulley by a ladder location, present embodiment is welding, the cylinder partial of axle sleeve 6 cooperates with the centre hole of mobile friction wheel 8 is movable, the tapered back of two-wheeled in opposite directions, axle sleeve 6 is by antifriction-bearing box and needle roller bearing support.
Be provided with six raceways 9 in the recessed dish in the mobile friction wheel 8, low outer high aslope is divided into three groups and is evenly distributed on its circumference in the raceway 9, and six centrifugal rollers 10 are contained in respectively in each raceway, are pushed down by chuck 11.
Hold the drive plate 5 that has hoof block assembly 4 in the power-transfer clutch in the recessed dish of the driving wheel 7 in the driving pulley, the edge of driving wheel 7 oppositely extends into broadside 12, its inwall contacts with the friction element of hoof block assembly 4, driving wheel 7 becomes the friction disc of power-transfer clutch, and driving wheel 7 is integrated with clutch disk.
The center of the drive plate 5 that joins with hoof block assembly 4 is a stepped hole 13, so that cooperate with crankshaft end.
Be illustrated in figure 3 as the axle drive shaft 14 that joins with gear case and the cutaway view of driven pulley.Axle drive shaft 14 is the employed axle of prior art in the diagram, driven pulley comprises flower wheel 15 and mobile flower wheel 16, the centre hole part of flower wheel 15 is affixed with a beam barrel 17, mobile flower wheel 16 is enclosed within on the beam barrel 17, compress flower wheel big spring 18, load onto spring perch 19, and cushion block 20, fastening by nut 21 with the screw thread fit of axle drive shaft 14 ends, install driven pulley and device thereof.
Be carved with splined hole 22 at the front end of beam barrel 17 and cooperate, so that driven pulley passes to axle drive shaft 14 with the moment of torsion that obtains with the castellated shaft of axle drive shaft 14.Axle drive shaft 14 passes motion to trailing wheel behind gear case, realize the motion of motor bike.
The motion analysis of said structure is as follows:
After obtaining necessary rotating speed with the affixed clutch drive plate 5 in engine crankshaft end 1, for example 7000 rev/mins, rather than 20,000 commentaries on classics in the past, power-transfer clutch hoof block assembly 4 its friction element under centrifugal action pushes against friction disc, the rotation of drive friction disc, in this programme, friction disc is the driving wheel 7 of driving pulley, mobile friction wheel 8 also rotates, when reaching certain rotating speed, centrifugal roller 10 moves under centrifugal action, move down the reach of dynamic friction wheel in chuck 11 effects, belt is pushed away the center, so it is big that the diameter of driving pulley becomes, because the width between centers of belt pulley is constant, the diameter of driven pulley diminishes, the axle drive shaft 14 that joins with driven pulley obtains the rotating speed that improves, thereby when engine speed is low, also can obtain speed change, that is to say originally at driving engine to reach 20,000 when changeing, power-transfer clutch just may obtain engagement, and present 7000 change and just can obtain same engagement, 13,000 commentaries on classics that this differs, need expend how much gasoline, driving engine many Hong just can reach such rotating speed several times, so the driving engine oil consumption of known technology is inevitable.
Through facts have proved that the improvement of this programme also is successful, for example the per 100 kilometers oil consumptions of motor bike after repacking only are original 1/3 even 1/2, and its economic benefit is very remarkable.
Claims (4)
1, a kind of device that reduces the pedal motorcycle oil consumption, the continuously variable unit that comprises pedal motorcycle, described device links to each other by described transmission system the power of motor cycle engine with the axle drive shaft of motorcycle-gear case, described continuously variable unit is a belt transmission, main pulley comprises the driving wheel and the mobile friction wheel that are enclosed within crankshaft end, the two-wheeled back can be imbedded a belt in opposite directions, be provided with many raceways in the recessed dish at mobile friction wheel back, be provided with roller in the raceway, axle drive shaft is with driven pulley, comprise mobile flower wheel and flower wheel, the power-transfer clutch of one pair of transferring power, described power-transfer clutch comprises a power-transfer clutch hoof block assembly, clutch disk and clutch drive plate, one end of power-transfer clutch hoof piece porose be fixed on drive plate on a pin cooperate, clutch spring is arranged, the hoof piece can rotate an angle around pin, it is characterized in that: be fixedly connected with the drive plate (5) of one pair of power-transfer clutch band hoof block assembly in crankshaft end, clutch disk and driving pulley join.
2, a kind of device that reduces the pedal motorcycle oil consumption according to claim 1, it is characterized in that: be combined with an axle sleeve (6) at the axle journal place of crankshaft end (1), it is affixed with the driving wheel (7) in the driving pulley by a ladder location that axle sleeve (6) is gone up an outside end, the centre hole of the cylinder partial of axle sleeve (6) and mobile friction wheel (8) is movable to be cooperated, and the tapered back of two-wheeled in opposite directions.
3, a kind of device that reduces the pedal motorcycle oil consumption according to claim 1 and 2, it is characterized in that: hold the drive plate (5) that has hoof block assembly (4) in the power-transfer clutch in the recessed dish of the driving wheel in the driving pulley (7), the edge of driving wheel (7) oppositely extends into broadside (12), and driving wheel (7) is integrated with clutch disk.
4, a kind of device that reduces the pedal motorcycle oil consumption according to claim 1, it is characterized in that: the centre hole part of flower wheel (15) is affixed with a beam barrel (17), mobile flower wheel (16) is enclosed within on the beam barrel (17), is carved with splined hole (22) at the front end of beam barrel (17) and cooperates with the castellated shaft of axle drive shaft (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620035875 CN200974600Y (en) | 2006-10-12 | 2006-10-12 | Device for reducing oil-consumption of pedal motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620035875 CN200974600Y (en) | 2006-10-12 | 2006-10-12 | Device for reducing oil-consumption of pedal motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200974600Y true CN200974600Y (en) | 2007-11-14 |
Family
ID=38900893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620035875 Expired - Fee Related CN200974600Y (en) | 2006-10-12 | 2006-10-12 | Device for reducing oil-consumption of pedal motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200974600Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119079009A (en) * | 2024-11-08 | 2024-12-06 | 浙江新霸科技有限公司 | Speed changing system of a scooter |
-
2006
- 2006-10-12 CN CN 200620035875 patent/CN200974600Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119079009A (en) * | 2024-11-08 | 2024-12-06 | 浙江新霸科技有限公司 | Speed changing system of a scooter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |