CN201125989Y - Motorcycle engine built-in reverse gear mechanism - Google Patents
Motorcycle engine built-in reverse gear mechanism Download PDFInfo
- Publication number
- CN201125989Y CN201125989Y CNU2007201881562U CN200720188156U CN201125989Y CN 201125989 Y CN201125989 Y CN 201125989Y CN U2007201881562 U CNU2007201881562 U CN U2007201881562U CN 200720188156 U CN200720188156 U CN 200720188156U CN 201125989 Y CN201125989 Y CN 201125989Y
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- Prior art keywords
- gear
- reverse gear
- reverse
- countershaft
- speed
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- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000008859 change Effects 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The invention discloses a motorcycle engine built-in reverse gear mechanism including a main shaft, a auxiliary shaft and a speed-variable drum, which is characterized in that: a reverse gear driving gear is equipped on the main shaft, a reverse gear driven gear is equipped on the auxiliary shaft; a reverse gear transmission gear is mounted on a supporting shaft body; when the speed-variable drum is in reverse gear position, the reverse gear driving gear engaged with the reverse gear transmission gear, and the reverse gear transmission gear is engaged with the reverse gear driven gear. The reverse gear mechanism of the present invention is built-in reverse gear mechanism, which does not need large modification to prior transmission case body and more added accessories, and has advantages of simple structure, easy processing, convenient use, good effect and strong maneuverability.
Description
Technical field
The utility model relates to a kind of shift-position control apparatus of motorcycle engine speed variator, especially the built-in reverse gear mechanism of motorcycle engine.
Background technique
Motorcycle engine speed variator is installed between clutch and the back transmission device, accepts the power that clutch transmits, and through changing rotating speed, is transported on the transmission device of back, drives trailing wheel at last by the back transmission device and rotates, and drives motorcycle and travels forward.Motorcycle engine speed variator has main shaft, driving gear, countershaft, driven gear, minor sprocket etc. usually, and general two-wheeled motor vehicle engine speed changer is not provided with gear reversing device, with pedal, hand push etc. motorcycle is moved backward, normal sense inconvenience in the use; And generally all be provided with gear reversing device on three-wheel or the four-wheel motor cycle, when making it mobile backward easily and fast.Mainly there are two kinds of structures in three-wheel or four-wheeled motorcycle engine reverse gear mechanism at present, 1) external reverse gear: this mechanism places the gearbox casing outside, mechanism's more complicated, and it is many to need to increase component, and need to change the drive part of car load, cost is than higher.At manufacturing, cost, structure and car load design aspect significant limitation is arranged all.External reverse gear machine gear lubrication simultaneously is abundant inadequately, the price comparison costliness; 2) built-in reverse gear: a kind of employing chain transmission, this structure assembling is not strong, and elongates easily, and transmission efficiency is lower.As name be called " motorcycle engine transmission mechanism " with reverse gear mechanism, the patent No. is the disclosed Reverse of Motorcycle Engine of the Chinese utility model patent mechanism of ZL200420108628.5, and name is called " motorcycle reverse gear ", the patent No. is the disclosed reverse gear mechanism of Chinese utility model patent of ZL200520009264.X, all has complex structure, uses deficiency inconvenient, that can not well satisfy user's actual demand.
Summary of the invention
The utility model is at the above-mentioned deficiency of the motorcycle gear reversing device of prior art, and a kind of gear transmission, engine embedded formula reverse gear mechanism simple in structure of adopting is provided.
The technical solution of the utility model: the built-in reverse gear mechanism of motorcycle engine, comprise main shaft, countershaft and speed-changing drum, it is characterized in that: reverse driving gear is set on the main shaft, the reverse gear driven gear is set on countershaft; The reverse gear driving gear is set and supports axis body, the reverse gear driving gear is installed in and supports on the axis body; When described speed-changing drum is in reverse gear position, reverse driving gear and the engagement of reverse gear driving gear, reverse gear driving gear and the engagement of reverse gear driven gear;
Further feature is: reverse gear position-limited shaft and reverse gear position limited gear are set, and a countershaft shifting gear often meshes on reverse gear position limited gear and the countershaft; The reverse gear limiting board is arranged on the reverse gear position-limited shaft through friction spring; Described speed-changing drum is provided with spacing lacking, and the tail end of reverse gear limiting board can stretch in the spacing breach.
Engine embedded formula reverse gear mechanism of the present utility model with respect to prior art, has following characteristics:
1, be built-in reverse gear mechanism, simple in structure, do not need original gearbox casing is done bigger change, the number of spare parts of increase is few.
2, adopt gear-driven mode, technology is simple, easy processing;
3, easy to use, respond well, strong operability can satisfy user's actual demand well.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is the utility model reverse gear mechanism situation plan;
Fig. 2 be Fig. 1 along A-A to sectional view.
Embodiment
In figure, the 1-main shaft, the 2-reverse driving gear, the 3-countershaft, 4-reverse gear driven gear, 5-reverse gear driving gear, 6-supports axis body, 7-reverse gear position-limited shaft, 8-reverse gear position limited gear, 9-reverse gear limiting board, 10-friction spring, 12-speed-changing drum, the spacing breach of 13-;
Engine embedded formula reverse gear mechanism of the present utility model, comprise main shaft 1, countershaft 3 and speed-changing drum 12, main shaft 1 is the main shaft of the speed change gear of prior art, it is provided with a plurality of main shaft shifting gears, countershaft 3 is countershafts of the speed change gear of prior art, it is provided with can be corresponding with the main shaft shifting gear and the countershaft shifting gear of engagement, corresponding main shaft shifting gear is with after the countershaft shifting gear is meshed, power is delivered to countershaft 3 through main shaft 1, can realize changing the travelling speed of motorcycle, cut off the effects such as power conveying of motor, speed-changing drum 12 has a plurality of guide groove with the speed-changing drum of the speed change gear of prior art on it; Main shaft 1, countershaft 3 and speed-changing drum 12 etc. are not further described at this as prior art.
Improvement of the present utility model, be on main shaft 1, to increase a reverse driving gear 2 is set, on countershaft 3, increase a reverse gear driven gear 4 is set, in gearbox, increase and reverse gear driving gear 5 is set and supports axis body 6, reverse gear driving gear 5 is installed in and supports on the axis body 6, supports axis body 6 and is installed in the gearbox casing through screw etc. usually.When speed-changing drum 12 is in reverse gear position, reverse driving gear 2 and 5 engagements of reverse gear driving gear, reverse gear driving gear 5 and 4 engagements of reverse gear driven gear, the power of main shaft 1 is through reverse driving gear 2---reverse gear driving gear 5---reverse gear driven gear 4, be delivered on the countershaft 3 rotation direction reversed of while countershaft 3, countershaft 3 counter-rotatings, final trailing wheel counter-rotating, the realization reverse gear function of driving.When motor is in forward travel state, step on the gear shift pedal of speed changer, when speed-changing drum 12 is in forward position, as neutral gear,, two, three, fourth gear, main shaft shifting gear on the main shaft 1 is meshed with countershaft shifting gear on the corresponding countershaft 3, and power is delivered to countershaft 3 through main shaft 1; See that from the motor right side to the left side main shaft 1 is counterclockwise to rotate, the sense of rotation of countershaft 3 is opposite with main shaft 1, is that clockwise direction rotates.And when speed-changing drum 12 is in reverse gear position, see that from the motor right side to the left side main shaft 1 is counterclockwise to rotate, the sense of rotation of countershaft 3 is identical with main shaft 1, be counterclockwise to rotate equally, the sense of rotation of countershaft 3 that is in reverse gear position is just opposite with the sense of rotation of the countershaft 3 that is in forward position, realizes reverse gear smoothly.
As further improvement of the utility model; for safely, when preventing that under forward travel state countershaft is in normal clockwise direction and rotates; hang up reverse gear suddenly; make and manyly on main shaft 1, the countershaft 3 broken by opposition counter-rotating constant mesh gear; and prevent that the driver from hanging up reverse gear because of misoperation under forward travel state; make easily motorcycle out of control, jeopardize the safety etc. that frame is taken advantage of personnel, the utility model is set up the reverse gear safety protection device, prevents that above-mentioned rough sledding from taking place.Particularly, be in gearbox casing, to set up reverse gear position-limited shaft 7 and reverse gear position limited gear 8, reverse gear position limited gear 8 is meshed with countershaft shifting gear on the countershaft 3, normal mesh form; Reverse gear limiting board 9 is set on reverse gear position-limited shaft 7, and reverse gear limiting board 9 is on friction spring 10 reverse gear position-limited shafts 7; Speed-changing drum 12 is provided with spacing breach 13, and the tail end of reverse gear limiting board 9 can stretch in the spacing breach 13.When motor was in forward travel state, the countershaft shifting gear on the countershaft 3 drove reverse gear position limited gear 8 and rotates, because the effect of friction spring 10, the tail end of reverse gear limiting board 9 contacts with speed-changing drum 12, but can not enter in the spacing breach 13.At this moment, the conversion between the gear (comprising neutral) of respectively advancing is not subjected to the influence of reverse gear limiting board 9, and speed-changing drum 12 normal rotation several angles just can normal gear shift; By one grade during to neutral; speed-changing drum 12 is rotated further several angle; the tail end of reverse gear limiting board 9 just stretches in the spacing breach 13; before motorcycle does not come to a complete stop; reverse gear limiting board 9 is under the frictional force action that friction spring 10 produces; can not in spacing breach 13, separate, just can stop speed-changing drum 12 to be rotated further, play a protective role to hang up reverse gear.After motorcycle came to a complete stop, countershaft 3 counter-rotating several angles just can drive 8 counter-rotatings of reverse gear position limited gear, made corresponding rotation and left the spacing breach 13 of speed-changing drum 12, just can hang up reverse gear, and realization is moveed backward smoothly.
Claims (2)
1, the built-in reverse gear mechanism of motorcycle engine comprises main shaft (1), countershaft (3) and speed-changing drum (12), it is characterized in that: reverse driving gear (2) is set on the main shaft (1), reverse gear driven gear (4) is set on countershaft (3); Reverse gear driving gear (5) is set and supports axis body (6), reverse gear driving gear (5) is installed in and supports on the axis body (6); When being in reverse gear position, reverse driving gear (2) meshes with reverse gear driven gear (4) with reverse gear driving gear (5) engagement, reverse gear driving gear (5) in described speed-changing drum (12).
2, the built-in reverse gear mechanism of motorcycle engine according to claim 1 is characterized in that: reverse gear position-limited shaft (7) and reverse gear position limited gear (8) are set, and reverse gear position limited gear (8) often meshes with the last countershaft shifting gear of countershaft (3); Reverse gear limiting board (9) is arranged on the reverse gear position-limited shaft (7) through friction spring (10); Described speed-changing drum (12) is provided with spacing breach (13), and the tail end of reverse gear limiting board (9) can stretch in the spacing breach (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201881562U CN201125989Y (en) | 2007-11-03 | 2007-11-03 | Motorcycle engine built-in reverse gear mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201881562U CN201125989Y (en) | 2007-11-03 | 2007-11-03 | Motorcycle engine built-in reverse gear mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201125989Y true CN201125989Y (en) | 2008-10-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201881562U Expired - Fee Related CN201125989Y (en) | 2007-11-03 | 2007-11-03 | Motorcycle engine built-in reverse gear mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201125989Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373522A (en) * | 2014-11-10 | 2015-02-25 | 重庆隆鑫发动机有限公司 | Speed change assembly integrating reverse gear |
| CN104455230A (en) * | 2014-11-10 | 2015-03-25 | 重庆隆鑫发动机有限公司 | Built-in reverse gear transmission |
| CN104565227A (en) * | 2015-01-14 | 2015-04-29 | 重庆隆鑫发动机有限公司 | Direct-transmission engine speed changer and engine |
| JP2019086043A (en) * | 2017-11-02 | 2019-06-06 | スズキ株式会社 | Shifter of transmission |
-
2007
- 2007-11-03 CN CNU2007201881562U patent/CN201125989Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373522A (en) * | 2014-11-10 | 2015-02-25 | 重庆隆鑫发动机有限公司 | Speed change assembly integrating reverse gear |
| CN104455230A (en) * | 2014-11-10 | 2015-03-25 | 重庆隆鑫发动机有限公司 | Built-in reverse gear transmission |
| CN104373522B (en) * | 2014-11-10 | 2017-05-31 | 重庆隆鑫发动机有限公司 | The speed changing assembly of integrated reverse gear |
| CN104565227A (en) * | 2015-01-14 | 2015-04-29 | 重庆隆鑫发动机有限公司 | Direct-transmission engine speed changer and engine |
| JP2019086043A (en) * | 2017-11-02 | 2019-06-06 | スズキ株式会社 | Shifter of transmission |
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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 |