CN2799390Y - Motorcycle reverse gear - Google Patents
Motorcycle reverse gear Download PDFInfo
- Publication number
- CN2799390Y CN2799390Y CN 200520009264 CN200520009264U CN2799390Y CN 2799390 Y CN2799390 Y CN 2799390Y CN 200520009264 CN200520009264 CN 200520009264 CN 200520009264 U CN200520009264 U CN 200520009264U CN 2799390 Y CN2799390 Y CN 2799390Y
- Authority
- CN
- China
- Prior art keywords
- gear
- shift fork
- reverse gear
- casing
- drive
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a reverse gear device for a motorcycle, which comprises a reverse gear mechanism and an operating mechanism. The utility model is characterized in that the operating mechanism comprises a case body, a foot plate, a transmission shaft, an inversed U-shaped shifting fork, a locking mechanism of the shifting fork, wherein the transmission shaft is rotationally connected with the case body by passing through both sides of the case body, one end of the transmission shaft exposed outside the case body is fixedly connected with the foot plate, the transmission shaft of the case body is fixedly connected with the upper end of the inversed U-shaped shifting fork, the lower end of the inversed U-shaped shifting fork is connected in scarf joint type with a clamping groove of the upper end of an annular shifting fork of a synchronizer ring clutch of the reverse gear mechanism, both sides of an outer circular face of a cylinder of the upper end of the inversed U-shaped shifting fork are respectively provided with two cambered edge grooves, which are mutually connected, other both sides of the case body are also provided with through holes, the inner part of the through hole is provided with the locking mechanism of the shifting fork and the lower end of the case body is fixedly connected with a casing of the reverse gear mechanism. The utility model has the advantages of simple structure, safe pedal operation and use, portable and flexible operation, no skid and stable running state, prevents machinery accidents or traffic accidents caused by trip stop, can carry out the operation of gear advancing or gear backing and has long service life.
Description
One, technical field
The utility model relates to a kind of motor bike reverse gear, especially a kind of reverse gear that is applicable to motor tricycle, positive four-wheel motor cycle.
Two, background technology
The steering unit of existing positive three-wheel, positive four-wheel motor cycle reverse gear generally adopts the operation of foot control system, its gearshift is realized by the dihedral cam, because angle design less than 90 °, must could realize gearshift with bigger power when gear shift, and easy trip stop brings great potential safety hazard after the gear shift.This steering unit also is fixed in outside the reverse gear housing, for open type, is subject to the etch of bad vibrations of road conditions and wind and rain, causes distortion, corrosion, causes the steering unit to lose efficacy.The rub power-transfer clutch of wheel car reverse gear of existing positive three-wheel, positive four-wheel adopts the castellated bidirectional clutch of spline mostly, in use, when motor bike is converted to reversing by D Drive, must change neutral gear into by D Drive earlier, make motor bike stop to travel, and then change reverse gear into, can not directly convert reverse gear to by D Drive, in case of manipulation is improper D Drive is directly changed to reverse gear, be easy to break gear, the service life of damage reverse gear mechanism, reducing reverse gear.
Three, summary of the invention
The utility model is intended to overcome the deficiencies in the prior art, and a kind of operated by foot is provided, the motor bike reverse gear of simple in structure, easy to use, safe, long service life.
The utility model adopts such technical scheme: a kind of motor bike reverse gear, comprise reverse gear mechanism and steering unit, it is characterized in that described steering unit includes casing, stretcher, transmission shaft, П type shift fork, the shift fork catch gear, both sides and casing that transmission shaft passes casing are rotationally connected, the end and the stretcher that are exposed at the outer transmission shaft of casing connect firmly, transmission shaft in the casing and П type shift fork upper end connect firmly, the draw-in groove interlocking of the ring-type shift fork upper end on the lower end of П type shift fork and the baulk ring power-transfer clutch of described reverse gear mechanism, cylinder periphery both sides, П type shift fork upper end respectively offer 2 arc rib grooves that are connected, the both sides in addition of casing also are provided with through hole, the lower end of shift fork catch gear casing and the housing of reverse gear mechanism are set in the through hole connect firmly.
The shift fork catch gear is made of steel ball, spring, attachment screw, and steel ball places in the arc rib groove of both sides, П type shift fork upper end, and an end of spring is connected with steel ball, and the other end of spring is connected with attachment screw, the through hole outer end engagement on attachment screw and the casing.Transmission shaft in the steering unit and П type shift fork connect firmly through retainingf key.Also be filled with grease in the casing of steering unit.
Reverse gear mechanism is by the drive bevel gear on the power input shaft, driven D Drive finishing bevel gear cuter, the D Drive clutch gear, the driven grade finishing bevel gear cuter that retreats, retreat a grade clutch gear, and the baulk ring power-transfer clutch that the transmission gear of baulk ring and Qi Nei constitutes is formed, driven D Drive finishing bevel gear cuter and D Drive clutch gear mesh and are placed on the output shaft through interior external tooth, drivenly retreat grade finishing bevel gear cuter and retreat grade clutch gear through the engagement of interior external tooth and be placed on the output shaft, drive bevel gear meshes with driven D Drive finishing bevel gear cuter and the driven grade finishing bevel gear cuter that retreats simultaneously, the baulk ring power-transfer clutch places the D Drive clutch gear and retreats between grade clutch gear, the transmission gear of baulk ring power-transfer clutch is connected with the spline output shaft, the baulk ring power-transfer clutch is controlled can be along the endwisely slipping of output shaft, and interlocking has the ring-type shift fork on the radial slot of the baulk ring of baulk ring power-transfer clutch.
Drive bevel gear in the reverse gear mechanism of the present utility model is accepted the driving force of power input shaft, and drive bevel gear drives driven D Drive finishing bevel gear cuter and the driven grade finishing bevel gear cuter that retreats is made cw and left-hand revolution respectively.When the baulk ring power-transfer clutch not with the D Drive clutch gear or when retreating the engagement of grade clutch gear, the idle running of two driven wheel of differentials, power can not pass to output shaft.When motor bike moves, stretcher in the pedal control mechanism, stir П type shift fork by the transmission shaft that is fastenedly connected with it, the annular shift fork that П type shift fork is stirred on the reverse gear mechanism moves along the axially parallel of spline output shaft, it is also parallel mobile to drive the baulk ring power-transfer clutch simultaneously, when the transmission gear of baulk ring power-transfer clutch and the engagement of D Drive clutch gear, drive bevel gear is rotated and is driven D Drive finishing bevel gear cuter and the rotation of D Drive clutch gear, the transmission gear that drives synchronizing clutch rotates, thereby turning effort is passed to the spline output shaft, realize power clickwise (advancing).When needs carry out gear shift and fall back, stretcher in the pedal control mechanism, make the shift fork counter motion, drive the baulk ring power-transfer clutch reverse slide on output shaft on the reverse gear mechanism, transmission gear on the baulk ring power-transfer clutch is thrown off the D Drive clutch gear, meshes with retreating grade clutch gear, drives the transmission gear rotation that retreats on grade clutch gear and the baulk ring power-transfer clutch by the driven grade finishing bevel gear cuter that retreats, thereby drive output shaft and realize power left-hand revolution (retreating), realize gear shift.
The utility model is simple in structure, and the gear shift of motor bike is operated with pin, and is easy to use, safety; Steering unit is enclosed in the casing of grease, but weather proof soak touch, sand and dust wearing and tearing, flexible operation is light; The circular arc rib groove that periphery both sides, П type fork upper end are offered makes the gear shift contact firmly with the combined action of fork catch gear, and is non-slip, stablized the running state of motor bike, prevents trip stop, mechanical accident or traffic accident that burst break-in face causes; Navigating mate can carry out D Drive or retreat the shelves operation in any case, and gear can not damage, and has improved the service life of reverse gear.
Four, description of drawings
The utility model has following accompanying drawing:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the utility model steering unit scheme drawing.
Five, the specific embodiment
Embodiment of the present utility model is described with reference to the accompanying drawings.As Fig. 1, shown in Figure 2, a kind of motor bike reverse gear, comprise reverse gear mechanism 16 and steering unit 1, it is characterized in that described steering unit 1 includes casing 19, stretcher 18, transmission shaft 4, П type shift fork 6, shift fork catch gear 20, both sides and casing that transmission shaft 4 passes casing 19 are rotationally connected, the end and the stretcher 18 that are exposed at the outer transmission shaft 4 of casing connect firmly, transmission shaft 4 in the casing 19 connects firmly with П type shift fork 6 upper ends, the draw-in groove interlocking of ring-type shift fork 17 upper ends on the lower end of П type shift fork 6 and the baulk ring power-transfer clutch of described reverse gear mechanism 16, cylinder periphery both sides, П type shift fork 6 upper end respectively offer 2 arc rib grooves that are connected, the both sides in addition of casing 19 also are provided with through hole, shift fork catch gear 20 is set in the through hole, and the housing of the lower end of casing 19 and reverse gear mechanism 16 connects firmly.
Shift fork catch gear 20 is made of steel ball 3, spring 2, attachment screw 7, steel ball 3 places in the arc rib groove of both sides, П type shift fork 6 upper end, one end of spring 2 is connected with steel ball 3, and the other end of spring 2 is connected with attachment screw 7, the outer end of through hole engagement on attachment screw 7 and the casing 19.By attachment screw 7 holddown springs 2, steel ball 3 is locked in the rib groove of П type shift fork both sides by spring 2, coupling mechanism force can change by adjusting attachment screw, and the steel ball that tightens mechanism is 180 ° of two-way stop in both sides, avoids beating of shift fork, thereby prevent trip stop, make operation safer.Transmission shaft 4 in the steering unit 1 connects firmly through retainingf key 5 with П type shift fork 6.Connect firmly, avoided becoming flexible between transmission shaft and the П type shift fork.Also be filled with grease in the casing 19 of steering unit 1.Guarantee that gear-change operation is flexible, light.
Claims (5)
1, a kind of motor bike reverse gear, comprise reverse gear mechanism (16) and steering unit (1), it is characterized in that described steering unit (1) includes casing (19), stretcher (18), transmission shaft (4), ∏ type shift fork (6), shift fork catch gear (20), both sides and casing that transmission shaft (4) passes casing (19) are rotationally connected, the end and the stretcher (18) that are exposed at the outer transmission shaft (4) of casing connect firmly, transmission shaft (4) in the casing (19) connects firmly with ∏ type shift fork (6) upper end, the draw-in groove interlocking of ring-type shift fork (17) upper end on the baulk ring power-transfer clutch of the lower end of ∏ type shift fork (6) and described reverse gear mechanism (16), cylinder periphery both sides, ∏ type shift fork (6) upper end respectively offer 2 arc rib grooves that are connected, the both sides in addition of casing (19) also are provided with through hole, shift fork catch gear (20) is set in the through hole, and the housing of the lower end of casing (19) and reverse gear mechanism (16) connects firmly.
2, by the described motor bike reverse gear of claim 1, it is characterized in that described shift fork catch gear (20) is made of steel ball (3), spring (2), attachment screw (7), steel ball (3) places in the arc rib groove of both sides, ∏ type shift fork (6) upper end, one end of spring (2) is connected with steel ball (3), the other end of spring (2) is connected with attachment screw (7), and attachment screw (7) meshes with the outer end that casing (19) is gone up through hole.
3,, it is characterized in that the transmission shaft (4) in the steering unit (1) connects firmly through retainingf key (5) with ∏ type shift fork (6) by the described motor bike reverse gear of claim 1.
4,, it is characterized in that also being filled with grease in the casing (19) of steering unit (1) by the described motor bike reverse gear of claim 1.
5, by the described motor bike reverse gear of claim 1, it is characterized in that described reverse gear mechanism (16) is by the drive bevel gear on the power input shaft (8), driven D Drive finishing bevel gear cuter (10), D Drive clutch gear (11), the driven grade finishing bevel gear cuter (15) that retreats, retreat a grade clutch gear (14), and the baulk ring power-transfer clutch of baulk ring (13) and the formation of the transmission gear (12) in it is formed, driven D Drive finishing bevel gear cuter (10) meshes and is placed on the output shaft (9) through interior external tooth with D Drive clutch gear (11), drivenly retreat a grade finishing bevel gear cuter (15) and retreat a grade clutch gear (14) through the engagement of interior external tooth and be placed on the output shaft (9), drive bevel gear (8) meshes with a driven D Drive finishing bevel gear cuter (10) and the driven grade finishing bevel gear cuter (15) that retreats simultaneously, the baulk ring power-transfer clutch places D Drive clutch gear (11) and retreats between grade clutch gear (14), the transmission gear of baulk ring power-transfer clutch (12) is connected with spline output shaft (9), the baulk ring power-transfer clutch is controlled can be along the endwisely slipping of output shaft, and interlocking has ring-type shift fork (17) on the radial slot of the baulk ring of baulk ring power-transfer clutch (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520009264 CN2799390Y (en) | 2005-05-10 | 2005-05-10 | Motorcycle reverse gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520009264 CN2799390Y (en) | 2005-05-10 | 2005-05-10 | Motorcycle reverse gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2799390Y true CN2799390Y (en) | 2006-07-26 |
Family
ID=36841884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520009264 Expired - Fee Related CN2799390Y (en) | 2005-05-10 | 2005-05-10 | Motorcycle reverse gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2799390Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470697A (en) * | 2013-09-14 | 2013-12-25 | 吴先友 | Anti-gear-skipping gear reversing machine |
-
2005
- 2005-05-10 CN CN 200520009264 patent/CN2799390Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470697A (en) * | 2013-09-14 | 2013-12-25 | 吴先友 | Anti-gear-skipping gear reversing machine |
| CN103470697B (en) * | 2013-09-14 | 2015-12-02 | 吴先友 | A kind of anti-trip stop reverse gear |
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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 |