CN105221679A - A kind of driving engine speed changing structure - Google Patents
A kind of driving engine speed changing structure Download PDFInfo
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- CN105221679A CN105221679A CN201510725991.4A CN201510725991A CN105221679A CN 105221679 A CN105221679 A CN 105221679A CN 201510725991 A CN201510725991 A CN 201510725991A CN 105221679 A CN105221679 A CN 105221679A
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- gear
- main shaft
- countershaft
- pinion
- speed position
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2700/00—Transmission housings and mounting of transmission components therein; Cooling; Lubrication; Flexible suspensions, e.g. floating frames
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a kind of driving engine speed changing structure.The final stage sprocket wheel of output is set on main shaft by this driving engine speed changing structure, after power is by the transmission gearshift of the gear train on main shaft and countershaft, transmission can ensure that final stage sprocket wheel and main shaft are identical sense of rotation when arriving final stage sprocket wheel, the sense of rotation of such output can be identical with wheel direction, is convenient to the setting of motor, transmission gear shift structure each several part; More simple compared with inputting with original main shaft structure that countershaft exports, decrease the setting of part, make power transmission faster; Decrease fault point, the less Long-Time Service being conducive to transmission gear shift structure of parts wear; Reduce the space hold of overall transmission gear shift structure, make motorcycle outward appearance compacter.
Description
Technical field
The present invention relates to a kind of motor, especially relate to a kind of driving engine speed changing structure be used on motorcycle.
Background technique
Current motorcycle is on the market various, and the transmission gear shift structure coordinated with motorcycle engine is also of a great variety.Existing driving engine speed changing structure is all the gear that employing two axles coordinate different size, realize the change of gear and rotating speed, but it is all the pattern being inputted an axle output by an axle, its structure is more complicated, the space taken is larger, this is for beyond doubt a kind of burden the motorcycle pursuing compact structure, and an axle inputs the structure that an axle exports and adds fault point, is not easy the Long-Time Service ensureing transmission gear shift structure.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, input output on an a kind of axle are provided, reduce part and space, the driving engine speed changing structure that overall compact is durable.
The present invention is by the following technical solutions: a kind of driving engine speed changing structure, comprise transmission case and gearbox, transmission case comprises drive chain, and gearbox comprises main shaft, gear primary cog set, final stage sprocket wheel, countershaft, gear pinion group, shifting component and shifting cam; Motor is connected with main shaft by drive chain, gear primary cog set and final stage sprocket wheel are set on main shaft, gear pinion group is set on countershaft, gear primary cog set and the engagement of gear pinion group one_to_one corresponding, gear one corresponding in gear primary cog set and gear pinion group rotates an idle running with axle, shifting component be arranged on main shaft or/and on countershaft with main shaft or/and countershaft links, and with gear primary cog set or/and the assembly of gear pinion is closed, shifting component outwards connects shifting cam; When shifting gears in the position operating shifting cam change shifting component, shifting component snaps in the gear primary cog set or gear pinion group that are mated, main shaft and countershaft coordinate transmission, driven to final stage sprocket wheel exported by the different transformation rate of gear primary cog set and gear pinion group middle gear size.
Improve as one, gear primary cog set comprises fifth speed position master gear, and fifth speed master gear is connected linkage with final stage sprocket wheel, and shifting component comprises the first pulling part; During gearshift, the first ring snaps in fifth speed position master gear, and main shaft directly drives fifth speed position master gear and final stage sprocket driving to export.
Improve as one, gear pinion group comprises countershaft output gear, and countershaft output gear engages with fifth speed position master gear, when gear is positioned at other gears outside fifth speed master gear, power is reached countershaft by main shaft, drives countershaft output gear to the master gear transmission of fifth speed position by countershaft.
Improve as one, gear primary cog set also includes sixth speed position master gear, the second gear master gear, the first gear master gear, third gear master gear and fourth speed position master gear, corresponding gear pinion group also includes sixth speed position pinion, the second gear pinion, the first gear pinion, third gear pinion and fourth speed position pinion, shifting component also comprises the second pulling part and the 3rd pulling part, it is three right that the gear of six gears is set between two, coordinated for a pair respectively with wherein by the first pulling part, the second pulling part and the 3rd pulling part.
Improve as one, gear primary cog set puts in order as fifth speed position master gear, sixth speed position master gear, the second gear master gear, the first gear master gear, third gear master gear and fourth speed position master gear on main shaft, and gear pinion group puts in order as countershaft output gear, sixth speed position pinion, the second gear pinion, the first gear pinion, third gear pinion and fourth speed position pinion on countershaft; First pulling part is arranged on the main shaft between fifth speed position master gear and sixth speed position master gear, 3rd pulling part is arranged between third gear master gear and fourth speed position master gear on main shaft, and fifth speed position master gear, sixth speed position master gear, third gear master gear and fourth speed position master gear are idler gear; Second pulling part is arranged on the countershaft between the second gear pinion and the first gear pinion, and the second gear pinion and the first gear pinion are idler gear.
Improve as one, first pulling part, the second pulling part and the 3rd pulling part have included shift fork and ring, shift fork coordinates with shifting cam shifts gears, shift fork has allocated catch, ring has scrobicular ring and dog, ring and main shaft and countershaft link, and allocated catch snaps in scrobicular ring and allocated catch can be driven to move axially, when allocated catch is moved dog snap in gear primary cog set or gear pinion group a gear driven its rotate.
Improve as one, the driven sprocket that transmission case also comprises transmission case body, is arranged on the drive sprocket on engine shaft and is arranged on main shaft, drive sprocket, driven sprocket, drive chain are all arranged in transmission case body, and drive sprocket, driven sprocket are connected transmission by drive chain.
Improve as one, gearbox also comprises lower box and upper box, lower box and upper box are disposed adjacent, shifting cam is arranged in upper box, main shaft, gear primary cog set, countershaft, gear pinion group, shifting component are arranged in lower box, and the part of shifting component stretches into upper box and coordinates with shifting cam; Lower box is stretched out in one end of main shaft, stretches into transmission case, and the extension between main shaft lower box and transmission case arranges final stage sprocket wheel.
Beneficial effect of the present invention: the final stage sprocket wheel of output is set on main shaft, after power is by the transmission gearshift of the gear train on main shaft and countershaft, transmission can ensure that final stage sprocket wheel and main shaft are identical sense of rotation when arriving final stage sprocket wheel, the sense of rotation of such output can be identical with wheel direction, is convenient to the setting of motor, transmission gear shift structure each several part; More simple compared with inputting with original main shaft structure that countershaft exports, decrease the setting of part, make power transmission faster; Decrease fault point, the less Long-Time Service being conducive to transmission gear shift structure of parts wear; Reduce the space hold of overall transmission gear shift structure, make motorcycle outward appearance compacter.
Accompanying drawing explanation
Fig. 1 is the shape assumption diagram of driving engine speed changing structure of the present invention.
Fig. 2 is the cut-away view after driving engine speed changing structure remove portion shell of the present invention.
Fig. 3 is the face upwarding assumption diagram that driving engine speed changing structure of the present invention removes whole shell.
Fig. 4 is the topology view of the variable part of driving engine speed changing structure of the present invention.
Fig. 5 is the design of part figure of the shifting component of driving engine speed changing structure of the present invention.
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are elaborated.
As shown in Fig. 1,2,3,4,5, it is the specific embodiment of driving engine speed changing structure of the present invention.This embodiment comprises transmission case 1 and gearbox 2, and transmission case 1 comprises drive chain 11, and gearbox 2 comprises main shaft 21, gear primary cog set 22, final stage sprocket wheel 23, countershaft 24, gear pinion group 25, shifting component 26 and shifting cam 27; Motor is connected with main shaft 21 by drive chain 11, gear primary cog set 22 and final stage sprocket wheel 23 are set on main shaft 21, gear pinion group 25 is set on countershaft 24, gear primary cog set 22 and the engagement of gear pinion group 25 one_to_one corresponding, gear one corresponding in gear primary cog set 22 and gear pinion group 25 rotates an idle running with axle, shifting component 26 be arranged on main shaft 21 or/and on countershaft 24 with main shaft 21 or/and countershaft 24 links, and with gear primary cog set 22 or/and gear pinion group 25 coordinates, shifting component 26 outwards connects shifting cam 27; When shifting gears in the position that operation shifting cam 27 changes shifting component 26, shifting component 26 snaps in the gear primary cog set 22 or gear pinion group 25 that are mated, main shaft 21 and countershaft 24 coordinate transmission, driven to final stage sprocket wheel 23 exported by the different transformation rate of gear primary cog set 22 and gear pinion group 25 middle gear size.The present invention in working procedure is: motor outputs power to transmission case 1, and the drive chain 11 of transmission case 1 is connected to gearbox 2, and power transmission is to main shaft 21; Gearshift is operated by driver, gearshift is connected to shifting cam 27, shifting cam 27 rotarily drives the translation of shifting component 26, the shifting component 26 of movement is blocked mutually with a certain gear in gear primary cog set 22 or gear pinion group 25 and is coordinated, and make power reach gear from main shaft 21, through the speed change that main shaft 21 and countershaft 24 cog, by countershaft 24 power passed back on the final stage sprocket wheel 23 on main shaft 21, outwards connected the power exporting concrete gear by final stage sprocket wheel 23.Gear one corresponding in gear primary cog set 22 and gear pinion group 25 rotates an idle running with axle and completes gearshift function, the master gear of idle running is blocked when shifting component 26 is positioned at main shaft 21, the master gear changing to idle running realizing gear rotates with main shaft 21, and the pinion of opposite side drives its countershaft 24 to rotate; The pinion of idle running is blocked, the master gear rotated with main shaft 21 and pinion and then drive countershaft 24 to rotate when shifting component 26 is positioned at countershaft 24.
As a kind of embodiment of improvement, gear primary cog set 22 comprises fifth speed position master gear 22e, and fifth speed master gear 22e is connected linkage with final stage sprocket wheel 23, and shifting component 26 comprises the first pulling part 26a; During gearshift, the first ring 26a snaps in fifth speed position master gear 22e, and main shaft 21 directly drives fifth speed position master gear 22e and final stage sprocket wheel 23 transmission to export.Because final stage sprocket wheel 23 is arranged on main shaft 21 place, design the conversion that a gear does not need through major-minor axle, be linked into this grade and directly realize the transmission of power to final stage sprocket wheel 23, structure is simple, reduce interstructural cooperation loss, the speed ratio realizing fifth speed at the corresponding levels in speed changing structure equals 1; Selection high tap position is in the stability that above configuration state is conducive to ensureing transmission.
As a kind of embodiment of improvement, gear pinion group 25 comprises countershaft output gear 25e, countershaft output gear 25e engages with fifth speed position master gear 22e, when gear is positioned at other gears outside fifth speed master gear 22e, power is reached countershaft 24 by main shaft 21, drives countershaft output gear 25e to the master gear 22e transmission of fifth speed position by countershaft 24.Countershaft 24 is coordinated with fifth speed position master gear 22e by countershaft output gear 25e, other gears are after the transmission of main shaft 21 to countershaft 24, drive to fifth speed position master gear 22e by countershaft output gear 25e, and drive to final stage sprocket wheel 23 by fifth speed position master gear 22e and export.This structural stability is reliable, and achieve power after fifth speed position master gear 22e and final stage sprocket wheel 23 link and all export via fifth speed position master gear 22e, compact structure, saves component, reduce the overall dimensions of transmission gear shift structure, be convenient to the layout of multi-gear structure.
As a kind of embodiment of improvement, gear primary cog set 22 also includes sixth speed position master gear 22f, second gear master gear 22b, first gear master gear 22a, third gear master gear 22c and fourth speed position master gear 22d, corresponding gear pinion group 25 also includes sixth speed position pinion 25f, second gear pinion 25b, first gear pinion 25a, third gear pinion 25c and fourth speed position pinion 25d, shifting component 26 also comprises the second pulling part 26b and the 3rd pulling part 26c, it is three right that the gear of six gears is set between two, by the first pulling part 26a, second pulling part 26b and the 3rd pulling part 26c coordinates for a pair respectively with wherein.By arranging six pairs of gears, realize six grades of speed changes of motorcycle; For adapting to the speed change request of six pairs of gears, what match arranges three pulling parts, a pulling part is movable to the left or to the right, cooperation can be blocked mutually by respectively with one gear, thus achieve a pulling part and control two pairs of gears, three pulling parts have control six pairs of gears altogether, simple and reasonable and compact, can reduce the overall dimensions of transmission gear shift structure.
As a kind of embodiment of improvement, gear primary cog set 22 puts in order as fifth speed position master gear 22e, sixth speed position master gear 22f, the second gear master gear 22b, the first gear master gear 22a, third gear master gear 22c and fourth speed position master gear 22d on main shaft 21, and gear pinion group 25 puts in order as countershaft output gear 25e, sixth speed position pinion 25f, the second gear pinion 25b, the first gear pinion 25a, third gear pinion 25c and fourth speed position pinion 25d on countershaft 24; In order to the smooth and easy and component of shifting gears reduce wear, gear close for gear is arranged to one group and is controlled by a pulling part; First pulling part 26a is arranged on the main shaft 21 between fifth speed position master gear 22e and sixth speed position master gear 22f, 3rd pulling part 26c is arranged between third gear master gear 22c and fourth speed position master gear 22d on main shaft 21, and fifth speed position master gear 22e, sixth speed position master gear 22f, third gear master gear 22c and fourth speed position master gear 22d are idler gear; Second pulling part 26b is arranged on the countershaft 24 between the second gear pinion 25b and the first gear pinion 25a, and the second gear pinion 25b and the first gear pinion 25a is idler gear.Reasonably divided by three pulling parts and be located at main shaft 21 and countershaft 24, be reasonably assigned with the space on main shaft 21 and countershaft 24, the arrangement of gear primary cog set 22 and gear pinion group 25 is compacter; One or two gears are as low-grade location, and it is less that the second pulling part 26b snaps in the second gear pinion 25b or the first gear pinion 25a gearshift wearing and tearing on countershaft 24, is conducive to the stable of countershaft 24.
As a kind of embodiment of improvement, first pulling part 26a, the second pulling part 26b and the 3rd pulling part 26c have included shift fork 31 and ring 32, shift fork 31 coordinates with shifting cam 27 shifts gears, shift fork 31 has allocated catch 31a, ring 32 has scrobicular ring 32a and dog 32b, ring 32 links with main shaft 21 and countershaft 24, allocated catch 31a snaps in scrobicular ring 32a and allocated catch 31a can be driven to move axially, and when allocated catch 31a moves, dog 32b snaps in its rotation of a gear driven of gear primary cog set 22 or gear pinion group 25.Ring 32 links with main shaft 21 or countershaft 24 on the one hand, by the cooperation of scrobicular ring 32a and allocated catch 31a, ring 32 rotation in a circumferential direction can't drive shift fork 31 movable, and the axis activity of shift fork 31 can drive ring 32 displacement in the axial direction to realize gearshift, dog 32b on ring 32 snaps in gear thus completes engage a gear, axle can with gear-linked.Above delicate structure, realizes pulling part axial displacement gearshift and circumferencial direction rotates interlock.
As a kind of embodiment of improvement, the driven sprocket 13 that transmission case 1 also comprises transmission case body 14, is arranged on the drive sprocket 12 on engine shaft and is arranged on main shaft 21, drive sprocket 12, driven sprocket 13, drive chain 11 are all arranged in transmission case body 14, and drive sprocket 12, driven sprocket 13 are connected transmission by drive chain 11.Two groups of sprocket wheels and driven sprocket 13 and drive sprocket 12 coordinate drive chain 11 transmission, and structure is simple, and power transmission is stablized, and motor can be made to be separated setting with speed changing structure, be more conducive to the overall structure reasonably arranging motorcycle by being equipped with of three; Three is arranged in transmission case body 14 and protects, improve stability and the Security of transmission further.
As a kind of embodiment of improvement, gearbox 2 also comprises lower box 28 and upper box 29, lower box 28 and upper box 29 are disposed adjacent, shifting cam 27 is arranged in upper box 29, main shaft 21, gear primary cog set 22, countershaft 24, gear pinion group 25, shifting component 26 are arranged in lower box 28, and the part of shifting component 26 stretches into upper box 29 and coordinates with shifting cam 27; Lower box 28 is stretched out in one end of main shaft 21, stretches into transmission case 1, and the extension between main shaft 21 lower box 28 and transmission case 1 arranges final stage sprocket wheel 23.Arrange upper box 29 to hold shifting cam 27 and be convenient to connect separately gearshift and coordinate with shifting cam 27 to upper box 29, be also conducive to the parcel integrity of each component in lower box 28; Outwards connect cooperation by main shaft 21, ensure that countershaft 24 is hidden in lower box 28 and do not coordinate with the external world, compared with the structure exported with original countershaft, be more conducive to the protection to countershaft 24, avoid the wearing and tearing of countershaft 24, and reduce the difficulty of processing of countershaft 24; Be arranged in the space between lower box 28 and transmission case 1 by final stage sprocket wheel 23, space availability ratio is high, and the transmission of structural stability final stage sprocket wheel 23 is effective, and being surrounded by be beneficial to final stage sprocket wheel 23 is protected of periphery.
Claims (10)
1. a driving engine speed changing structure, comprise transmission case (1) and gearbox (2), described transmission case (1) comprises drive chain (11), it is characterized in that: described gearbox (2) comprises main shaft (21), gear primary cog set (22), final stage sprocket wheel (23), countershaft (24), gear pinion group (25), shifting component (26) and shifting cam (27), motor is connected with main shaft (21) by described drive chain (11), described gear primary cog set (22) and final stage sprocket wheel (23) are set on main shaft (21), described gear pinion group (25) is set on countershaft (24), described gear primary cog set (22) and the engagement of gear pinion group (25) one_to_one corresponding, described gear primary cog set (22) and the middle corresponding gear one of gear pinion group (25) rotate an idle running with axle, described shifting component (26) be arranged on main shaft (21) or/and countershaft (24) is upper and main shaft (21) or/and countershaft (24) links, and coordinate with gear primary cog set (22) or/and gear pinion group (25), described shifting component (26) outwards connects shifting cam (27), when shifting gears in the position operating shifting cam (27) change shifting component (26), shifting component (26) snaps in the gear primary cog set (22) or gear pinion group (25) that are mated, main shaft (21) and countershaft (24) coordinate transmission, drive to final stage sprocket wheel (23) output by the different transformation rate of gear primary cog set (22) and gear pinion group (25) middle gear size.
2. a kind of driving engine speed changing structure according to claim 1, it is characterized in that: described gear primary cog set (22) comprises fifth speed position master gear (22e), described fifth speed master gear (22e) is connected linkage with final stage sprocket wheel (23), and described shifting component (26) comprises the first pulling part (26a); Described in during gearshift, the first ring (26a) snaps in fifth speed position master gear (22e), and main shaft (21) directly drives fifth speed position master gear (22e) and final stage sprocket wheel (23) transmission to export.
3. a kind of driving engine speed changing structure according to claim 2, it is characterized in that: described gear pinion group (25) comprises countershaft output gear (25e), described countershaft output gear (25e) is engaged with fifth speed position master gear (22e), when gear is positioned at other gears outside fifth speed master gear (22e), power is reached countershaft (24) by main shaft (21), drives countershaft output gear (25e) to master gear (22e) transmission of fifth speed position by countershaft (24).
4. a kind of driving engine speed changing structure according to claim 3, it is characterized in that: described gear primary cog set (22) also includes sixth speed position master gear (22f), second gear master gear (22b), first gear master gear (22a), third gear master gear (22c) and fourth speed position master gear (22d), corresponding described gear pinion group (25) also includes sixth speed position pinion (25f), second gear pinion (25b), first gear pinion (25a), third gear pinion (25c) and fourth speed position pinion (25d), described shifting component (26) also comprises the second pulling part (26b) and the 3rd pulling part (26c), it is three right that the gear of six gears is set between two, by the first pulling part (26a), second pulling part (26b) and the 3rd pulling part (26c) coordinate for a pair respectively with wherein.
5. a kind of driving engine speed changing structure according to claim 4, it is characterized in that: described gear primary cog set (22) puts in order as fifth speed position master gear (22e) on main shaft (21), sixth speed position master gear (22f), second gear master gear (22b), first gear master gear (22a), third gear master gear (22c) and fourth speed position master gear (22d), described gear pinion group (25) puts in order as countershaft output gear (25e) on countershaft (24), sixth speed position pinion (25f), second gear pinion (25b), first gear pinion (25a), third gear pinion (25c) and fourth speed position pinion (25d), described first pulling part (26a) is arranged on the main shaft (21) between fifth speed position master gear (22e) and sixth speed position master gear (22f), described 3rd pulling part (26c) is arranged between third gear master gear (22c) and fourth speed position master gear (22d) on main shaft (21), and described fifth speed position master gear (22e), sixth speed position master gear (22f), third gear master gear (22c) and fourth speed position master gear (22d) are idler gear, described second pulling part (26b) is arranged on the countershaft (24) between the second gear pinion (25b) and the first gear pinion (25a), and described second gear pinion (25b) and the first gear pinion (25a) are idler gear.
6. a kind of driving engine speed changing structure according to claim 4 or 5, it is characterized in that: described first pulling part (26a), second pulling part (26b) and the 3rd pulling part (26c) have included shift fork (31) and ring (32), described shift fork (31) coordinates with shifting cam (27) shifts gears, described shift fork (31) has allocated catch (31a), described ring (32) has scrobicular ring (32a) and dog (32b), described ring (32) links with main shaft (21) and countershaft (24), described allocated catch (31a) snaps in scrobicular ring (32a) and allocated catch (31a) can be driven to move axially, when described allocated catch (31a) is mobile, dog (32b) snaps in its rotation of a gear driven of gear primary cog set (22) or gear pinion group (25).
7. a kind of driving engine speed changing structure according to any one of claim 1-5, it is characterized in that: the driven sprocket (13) that described transmission case (1) also comprises transmission case body (14), is arranged on the drive sprocket (12) on engine shaft and is arranged on main shaft (21), described drive sprocket (12), driven sprocket (13), drive chain (11) are all arranged in transmission case body (14), and drive sprocket (12), driven sprocket (13) are connected transmission by described drive chain (11).
8. a kind of driving engine speed changing structure according to any one of claim 6, it is characterized in that: the driven sprocket (13) that described transmission case (1) also comprises transmission case body (14), is arranged on the drive sprocket (12) on engine shaft and is arranged on main shaft (21), described drive sprocket (12), driven sprocket (13), drive chain (11) are all arranged in transmission case body (14), and drive sprocket (12), driven sprocket (13) are connected transmission by described drive chain (11).
9. a kind of driving engine speed changing structure according to any one of claim 1-5, it is characterized in that: described gearbox (2) also comprises lower box (28) and upper box (29), described lower box (28) and upper box (29) are disposed adjacent, described shifting cam (27) is arranged in upper box (29), described main shaft (21), gear primary cog set (22), countershaft (24), gear pinion group (25), shifting component (26) is arranged in lower box (28), the part of described shifting component (26) stretches into upper box (29) and coordinates with shifting cam (27), lower box (28) is stretched out in one end of described main shaft (21), stretch into transmission case (1), the extension between described main shaft (21) lower box (28) and transmission case (1) arranges final stage sprocket wheel (23).
10. a kind of driving engine speed changing structure according to any one of claim 6, it is characterized in that: described gearbox (2) also comprises lower box (28) and upper box (29), described lower box (28) and upper box (29) are disposed adjacent, described shifting cam (27) is arranged in upper box (29), described main shaft (21), gear primary cog set (22), countershaft (24), gear pinion group (25), shifting component (26) is arranged in lower box (28), the part of described shifting component (26) stretches into upper box (29) and coordinates with shifting cam (27), lower box (28) is stretched out in one end of described main shaft (21), stretch into transmission case (1), the extension between described main shaft (21) lower box (28) and transmission case (1) arranges final stage sprocket wheel (23).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510725991.4A CN105221679B (en) | 2015-10-30 | 2015-10-30 | A kind of driving engine speed changing structure |
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| CN201510725991.4A CN105221679B (en) | 2015-10-30 | 2015-10-30 | A kind of driving engine speed changing structure |
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| CN105221679A true CN105221679A (en) | 2016-01-06 |
| CN105221679B CN105221679B (en) | 2017-10-31 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641160A (en) * | 2017-02-06 | 2017-05-10 | 吕铁兵 | Power source multiplied speed adjusting device |
| CN108443426A (en) * | 2018-03-16 | 2018-08-24 | 重庆永发工业有限公司 | A kind of transmission box of snowmobile assembly structure |
| CN117698899A (en) * | 2023-11-02 | 2024-03-15 | 浙江春风动力股份有限公司 | Motorcycle and gear shifting method thereof |
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| CN106641160A (en) * | 2017-02-06 | 2017-05-10 | 吕铁兵 | Power source multiplied speed adjusting device |
| CN108443426A (en) * | 2018-03-16 | 2018-08-24 | 重庆永发工业有限公司 | A kind of transmission box of snowmobile assembly structure |
| CN117698899A (en) * | 2023-11-02 | 2024-03-15 | 浙江春风动力股份有限公司 | Motorcycle and gear shifting method thereof |
| CN117698899B (en) * | 2023-11-02 | 2024-05-10 | 浙江春风动力股份有限公司 | Motorcycle and gear shifting method thereof |
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|---|---|
| CN105221679B (en) | 2017-10-31 |
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