CN218440462U - Speed change mechanism of snowmobile - Google Patents
Speed change mechanism of snowmobile Download PDFInfo
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- CN218440462U CN218440462U CN202222623518.3U CN202222623518U CN218440462U CN 218440462 U CN218440462 U CN 218440462U CN 202222623518 U CN202222623518 U CN 202222623518U CN 218440462 U CN218440462 U CN 218440462U
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Abstract
The utility model relates to a snowmobile speed change mechanism belongs to the snowmobile field. The transmission comprises a transmission case, wherein the transmission case carries a control assembly, an input assembly, a driven assembly and an output assembly, the input assembly, the driven assembly and the output assembly are connected in a matching mode, and the control assembly is matched with the input assembly. The input assembly comprises an input shaft, one end of the input shaft penetrates through the box body, the penetrating end is connected with the power device, the other end of the input shaft is connected with the box cover in a matched mode and is close to the box cover, a sliding gear capable of sliding relatively along the input shaft is sleeved outside the input shaft, the input shaft is close to the box body, an input wheel is connected with the input shaft in a rotating mode, and the sliding gear is connected with the input wheel in a matched mode. The gear shifting process is convenient to operate, the change of the internal structure is simple and quick, the fault rate is low, the gear shifting mechanism is durable, the input shaft is not in direct contact with the output shaft, the position is relatively flexible, the gear shifting mechanism can be adjusted according to actual conditions, and the gear shifting mechanism is convenient to use.
Description
Technical Field
The utility model belongs to the snowmobile field, concretely relates to snowmobile speed change mechanism.
Background
The snowmobile is originally applied to the military field, is widely applied to skiing, becomes the special vehicle for rescue, transportation and entertainment of ski farms, and the modern snowmobile gradually develops towards the direction of a front axle and a rear axle, wherein the front axle and the rear axle are respectively provided with a crawler belt for providing power, and the skis are mainly used for steering. The speed change mechanism is a gravity component of the power of the snowmobile and is generally connected with the power shaft and the driving shaft, and because the actual use environment of the snowmobile is severe, the speed change mechanism with simple structure, low failure rate and durability is needed.
For example, in patent CN204164274U, when the gear is changed into reverse gear, the shifting mechanism is required to drive the first shifting fork and the second shifting fork at the same time, the first shifting fork enables the first gear to be engaged with the first clutch sleeve, the second shifting fork enables the second clutch sleeve to be separated from the second gear, and the resetting process is opposite, and the shifting mechanism is driven by the hydraulic cylinder.
The prior art has the following disadvantages:
the shifting fork I and the shifting fork II are required to work together in the shifting process 1, and meanwhile, the shifting fork I and the shifting fork II drive corresponding gears to move respectively, so that the shifting fork I and the shifting fork II are complex in change and high in failure rate.
2 the process of shifting has the pneumatic cylinder to connect translation mechanism and drives, but snowmobile service environment is the snow field mostly, has the low temperature, and is moist, the characteristics that debris are many, and easy wearing and tearing or damage during the use do not satisfy durable's demand.
3 the output shaft and the input shaft are driven by gears, the positions are relatively fixed, and the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the snow vehicle speed change mechanism overcomes the defects of the prior art, is convenient and fast to operate in the gear shifting process, simple and fast in internal structure change, low in failure rate, durable in gear shifting mechanism, free of direct contact between an input pump and an output shaft, relatively flexible in position, adjustable according to actual conditions and convenient to use.
Snowmobile speed change mechanism, a serial communication port, including the gearbox, the gearbox bears the weight of the control assembly, input assembly, follower assembly and output assembly, the cooperation is connected between input assembly, follower assembly and the output assembly, the control assembly cooperatees with the input assembly.
The gearbox comprises a box body and a box cover.
The input assembly comprises an input shaft, one end of the input shaft penetrates through the box body, the penetrating end is connected with the power device, the other end of the input shaft is connected with the box cover in a matched mode and is close to the box cover, a sliding gear capable of sliding relatively along the input shaft is sleeved outside the input shaft, the input shaft is close to the box body, the input shaft is connected with an input wheel in a rotating mode, and the sliding gear is connected with the input wheel in a matched mode.
The driven assembly comprises a driven shaft, the two ends of the driven shaft are fixedly connected with the box body and the box cover and are close to the box cover, the driven shaft is rotatably connected with a driven gear and is close to the box body, the driven shaft is rotatably connected with a driven chain wheel, and the driven gear is matched and connected with a driven wheel.
The output assembly includes the output shaft, and output shaft one end runs through the case lid setting, and the output shaft other end fixedly connected with output wheel.
The input wheel, the driven wheel and the output wheel are connected in a matching way.
The control assembly comprises a fixing assembly and an adjusting assembly, the fixing assembly is arranged on the outer side of the gearbox, the adjusting assembly is connected with the fixing assembly in a matched mode, the adjusting assembly penetrates through the gearbox and is arranged, and the adjusting assembly adjusts the sliding gear to slide along the input shaft.
Working process or working principle:
snowmobile speed change mechanism, during reverse gear, adjusting part control input wheel and driven contact, the input wheel transmits power for the driven wheel, the driven wheel rotates with driven sprocket with angular velocity, driven sprocket passes through the chain and transmits power for output sprocket, when advancing to keep off, adjusting part control input wheel is connected with the input sprocket cooperation, the input wheel rotates with input sprocket with angular velocity, the input wheel transmits power for input sprocket, the input sprocket passes through the chain and transmits power for output sprocket.
The snowmobile speed change mechanism comprises a fixing component and a limiting frame.
The adjusting component comprises a control rod, the middle of the control rod is connected with the mounting frame in a rotating mode, one end of the control rod is connected with the follower rod in a rotating mode, the other end of the follower rod is connected with the rotating rod, relative motion in the vertical direction of the two ends of the follower rod is consistent, the other end of the rotating rod is connected with the transmission rod, the middle of the rotating rod is connected with the mounting frame in a rotating mode, and when the control rod rotates, the control rod drives the rotating rod to rotate reversely.
The other end of the transmission rod is rotatably connected with a limiting shaft, the limiting shaft is horizontally arranged and perpendicular to the transmission rod, the limiting shaft is rotatably connected with a limiting frame through a connecting rod, the other end of the limiting shaft is connected with a control shaft in a matched mode, and the other end of the control shaft is connected with the adjusting rod in a matched mode.
The other end of the adjusting rod is fixedly connected with the shifting fork shaft, the shifting fork shaft is rotatably connected with the gearbox, the other end of the shifting fork shaft penetrates through the gearbox, a shifting fork is fixedly connected with the inside of the shifting fork shaft gearbox, and the shifting fork is matched with the sliding gear. The circular motion of the joystick in the vertical direction is converted into the sliding motion of the input wheel.
The snowmobile speed change mechanism is characterized in that two ends of the limiting shaft are provided with spherical sliding blocks, the transmission rod is connected with the spherical sliding blocks in a matching mode, and the transmission rod can rotate around the spherical sliding blocks. The control shaft is connected with the spherical sliding block in a matching way, and the control shaft can rotate around the spherical sliding block.
The snowmobile speed change mechanism is characterized in that a spherical connecting shaft is arranged at the joint of the control shaft and the adjusting rod, the adjusting rod is rotatably connected with the spherical connecting shaft, the control shaft is connected with the spherical connecting shaft in a matching manner, and the control shaft can rotate around the spherical connecting shaft.
The snowmobile speed change mechanism, the sliding gear upper end is equipped with the adjustment tank, the shift fork encircles the half of adjustment tank and sets up, the shift fork both ends inwards are equipped with the regulating block, the regulating block sets up with the adjustment tank cooperation, the regulating block interval is greater than the adjustment tank.
The snowmobile speed change mechanism is characterized in that a sliding groove is formed in the periphery of the input shaft and corresponds to the sliding groove, a sliding block is arranged on the inner wall of the sliding gear, the sliding gear slides along the sliding groove, and meanwhile the sliding gear can rotate along with the sliding shaft at the same axial and angular speed.
The snowmobile speed change mechanism is characterized in that a gasket is arranged on the periphery of the input shaft in a protruding mode and corresponds to the gasket, the diameter of the inner wall of the adjusting groove is larger than that of the inner wall of the sliding gear, and a return spring is arranged between the sliding gear and the gasket in a matched mode. When reversing gear, the sliding gear moves to the box body, the position of the gasket is unchanged, the return spring is compressed, and after the reversing gear is finished, the return spring drives the sliding gear to reset.
The snowmobile speed change mechanism is characterized in that the lower end of the sliding gear is provided with a gear clamping block corresponding to the gear clamping block, the upper end of the input chain wheel is provided with a chain wheel clamping block, and the gear clamping block is matched with the chain wheel clamping block. When the gear clamping block is in contact connection with the chain wheel clamping block, the sliding gear can drive the input chain wheel to rotate at the same angular speed.
The lower end of the driven gear is connected with the upper end of the driven chain wheel in a matching mode, and the driven gear and the driven chain wheel rotate at the same angular speed.
In the snowmobile speed change mechanism, in a reverse gear state, the sliding gear slides along the input shaft to the box cover, the sliding gear is separated from the input chain wheel, the sliding gear is connected with the driven gear in a matched mode, and the sliding gear drives the driven gear to rotate. The driven gear drives the driven chain wheel to rotate, the driven chain wheel drives the chain, and the input chain wheel and the output chain rotate along with the chain.
In the snowmobile speed change mechanism, in a gear-in state, the sliding gear slides along the input shaft to the box body, the sliding gear is connected with the input chain wheel in a matching way, and the sliding gear drives the input chain wheel to rotate; the input chain wheel drives the chain, and the driven chain wheel and the output chain wheel rotate along with the chain.
Compared with the prior art, the beneficial effects of the utility model are that:
1 through setting up sliding gear to sliding gear connects the cooperation with driven gear to be connected, and driven gear rotates with angular velocity with driven chain, and shift fork and reset spring control sliding gear slide from top to bottom, accomplish the switching of reversing gear and advancing the fender, and the change process is more succinct, and the fault rate is low.
The control assembly 2 is connected by adopting pure mechanical components, is not easy to damage under severe environment and meets the long-term durable development prospect.
3 through setting up the driven shaft, make the output shaft not directly participate in shifting, output power is more steady, and output sprocket, input sprocket and driven sprocket pass through the chain and transmit, and the size is changeable, can adjust output shaft position according to actual conditions.
Drawings
Figure 1 is a schematic structural diagram of an embodiment of the present invention,
figure 2 is a schematic structural diagram ii of an embodiment of the present invention,
FIG. 3 is a schematic structural view of the utility model with the cover removed,
figure 4 is a schematic view of the fixing assembly and the adjusting assembly of figure 1 according to the present invention,
figure 5 is a schematic diagram of the fixing assembly, the adjusting assembly and the input assembly of figure 1 according to the present invention,
figure 6 is a schematic view showing the structure of the adjusting assembly of figure 4 according to the present invention,
figure 7 is a schematic structural diagram of the adjusting assembly of figure 4 according to the present invention,
figure 8 is a schematic view of the sliding gear of figure 5 according to the present invention,
figure 9 is a schematic diagram of the mechanism of the input shaft of figure 5 of the present invention,
figure 10 is a cross-sectional view of the sliding gear and input shaft of figure 5 according to the present invention.
In the figure: 1. an output assembly; 2. a box body; 3. a box cover; 4. an input assembly; 5. a fixing assembly; 6. an adjustment assembly; 7. a driven assembly; 101. an output sprocket; 102. an output shaft; 401. an input shaft; 402. an adjustment groove; 403. a sliding gear; 404. a gear clamping block; 405. a sprocket clamping block; 406. an input sprocket; 407. a slider; 408. a sliding groove; 409. a return spring; 410. a gasket; 501. a mounting frame; 502. a limiting frame; 601. a joystick; 602. a follower rod; 603. rotating the rod; 604. a transmission rod; 605. a fork shaft; 606. adjusting a rod; 607. a control shaft; 608. a limiting shaft; 609. a connecting rod; 610. a spherical slider; 611. a spherical connecting shaft; 701. a driven shaft; 702. a driven gear; 703. a driven sprocket.
The specific implementation mode is as follows:
example 1
As shown in fig. 1-10, the snowmobile transmission system of the present invention comprises a transmission case, wherein the transmission case carries a control assembly, a driven assembly 7, an input assembly 4 and an output assembly 7, the control assembly is matched with the input assembly 4, and the input assembly 4, the driven assembly 7 and the output assembly 1 are connected in a matching manner.
The gearbox comprises a box body 2 and a box cover 3.
The input assembly comprises an input shaft 401, one end of the input shaft 401 penetrates through the box body 2 to be arranged, the penetrating end is connected with the power device, the other end of the input shaft 401 is rotatably connected with the box cover 3 and is close to the box cover 3, a sliding gear 403 capable of sliding along the input shaft 401 relatively is sleeved outside the input shaft 401 and is close to the box body, the input shaft 401 is rotatably connected with an input chain wheel 406 through a needle bearing, a gear clamping block 404 is arranged at the lower end of the sliding gear 403, a chain wheel clamping block 405 is arranged at the upper end of the input chain wheel 406, the sliding gear 403 and the input chain wheel 406 are connected in a matched mode through the gear clamping block 404 and the chain wheel clamping block 405, and rotation at the same angular speed can be achieved after connection.
The adjusting groove (402), the sliding gear (403), the gear fixture block (404) and the sliding block (407) are integrally arranged.
The output assembly 1 comprises an output shaft 102, one end of the output shaft 102 penetrates through the box body 2, and the other end of the output shaft 102 is rotatably connected with an output chain wheel 101 through a needle bearing.
Driven assembly 7 includes driven shaft 701, and driven shaft both ends and box 2 and case lid 3 fixed connection are close to case lid 3, and driven shaft 701 rotates through bearing and connects driven gear 702, is close to box 2, and driven shaft 701 rotates through bearing and connects driven sprocket 703, is equipped with the fixture block between driven gear 702 and the driven sprocket 703, and driven gear 702 and driven sprocket 703 can carry out with the angular velocity rotation.
The input sprocket 406, the driven sprocket 703 and the output sprocket 101 are connected by a chain.
The control assembly comprises a fixing assembly 5 and an adjusting assembly 6, the fixing assembly 5 is arranged on the outer side of the gearbox, the adjusting assembly 6 is connected with the fixing assembly 5 in a matched mode, the adjusting assembly 6 penetrates through the gearbox, and the adjusting assembly 6 adjusts the sliding gear 403 to slide along the input shaft 401.
The fixing component 5 comprises a mounting frame 501 and a limiting frame 502, and the mounting frame 501 and the limiting frame 502 are respectively fixedly connected with the gearbox.
The adjusting assembly 6 comprises a control lever 601, the middle part of the control lever 601 is rotatably connected with the mounting frame 501, one end of the control lever is rotatably connected with a follower rod 602, the other end of the follower rod 602 is connected with a rotating rod 603, the two ends of the follower rod 602 move in the same vertical direction, the other end of the rotating rod 603 is connected with a transmission rod 604, the middle part of the rotating rod 603 is rotatably connected with the mounting frame 501, and the control lever 601 drives the rotating rod 603 to rotate reversely when rotating;
the other end of the transmission rod 604 is rotatably connected with a limiting shaft 608, the limiting shaft 608 is horizontally arranged, the limiting shaft 608 is perpendicular to the transmission rod 604, the limiting shaft 608 is rotatably connected with the limiting frame 502 through a connecting rod 609, the other end of the limiting shaft 608 is connected with a control shaft 607 in a matched manner, and the other end of the control shaft 607 is connected with the adjusting rod 606 in a matched manner;
the other end of the adjusting rod 606 is fixedly connected with a shifting fork shaft 605, the shifting fork shaft 605 is rotatably connected with the gear box, the other end of the shifting fork shaft 605 penetrates through the gear box, a shifting fork is fixedly connected to the inner part of the gear box of the shifting fork shaft 605, and the shifting fork is matched with the sliding gear 403.
The control rod 601, the follower rod 602, the rotating rod 603 and the transmission rod 604 are used for adjusting the displacement and rotation of a vertical plane, the limiting frame 502 is used for limiting the limiting shaft 608, the moving range of the adjusting assembly 6 is limited, the control shaft 607, the adjusting rod 606 and the shifting fork shaft 605 are used, the limiting shaft 608, the control shaft 607 and the connecting rod 609 are used for converting the adjustment of the vertical plane into the adjustment perpendicular to the vertical plane, the shifting fork shaft 605 is rotatably connected with the gearbox, the adjusting rod 606 is fixedly connected with the shifting fork shaft 605, the adjusting rod 606 is used for converting the displacement motion of the control shaft 607 into the rotation of the adjusting rod, and the adjustment rod is fixedly connected with the shifting fork shaft 605 and is converted into the circular motion of the shifting fork shaft 605.
The two ends of the limit shaft 608 are provided with spherical sliding blocks 610, the transmission rod 604 is connected with the spherical sliding blocks 610 in a matching mode, the transmission rod 604 can rotate around the spherical sliding blocks 610, the control shaft 607 is connected with the spherical sliding blocks 610 in a matching mode, and the control shaft 607 can rotate around the spherical sliding blocks 610.
The joint of the control shaft 607 and the adjusting rod 606 is provided with a spherical connecting shaft 611, the adjusting rod 606 is rotatably connected with the spherical connecting shaft 611, the control shaft 607 is connected with the spherical connecting shaft 611 in a matching way, and the control shaft 607 can rotate around the spherical connecting shaft 611.
An adjusting groove 402 is arranged at the upper end of the sliding gear 403, and the shifting fork is matched with the adjusting groove 402.
The input shaft 401 has a sliding groove 408 on the outer circumference, and a sliding block 407 is provided on the inner wall of the sliding gear 403 corresponding to the sliding groove 408, and the sliding gear 403 slides along the sliding groove 408.
The periphery of the input shaft 401 is provided with a gasket 410, the diameter of the inner wall of the adjusting groove 402 is larger than that of the inner wall of the sliding gear 403 corresponding to the gasket 410, and a return spring 409 is arranged between the sliding gear 403 and the gasket 410 in a matching manner.
In a reverse gear state, the sliding gear 403 slides towards the case cover 3 along the input shaft 401, the sliding gear 403 is separated from the input sprocket 406, the sliding gear 403 is connected with the driven gear 702 in a matched manner, the sliding gear 403 drives the driven gear 702 to rotate, the driven gear 702 drives the driven sprocket 703 to rotate, the driven sprocket 703 drives the chain, and the input sprocket 406 and the output sprocket 101 rotate along with the chain.
In the gear-in state, the sliding gear 403 slides towards the box body 2 along the input shaft 401, the sliding gear 403 is connected with the input chain wheel 406 in a matching manner, the sliding gear 403 drives the input chain wheel 406 to rotate, the input chain wheel 406 drives the chain, and the driven chain wheel 703 and the output chain wheel 101 rotate along with the chain.
Working process or working principle:
describing in the direction of the gearbox cover 3, in the reverse gear state, the operating lever 601 is rotated clockwise to enter the gear-in state, the operating lever 601 drives the follower 602 to move downward, the follower 602 drives the rotating lever 603 to rotate counterclockwise, the rotating lever 603 drives the driving lever 604 to lift in the direction away from the gearbox, the driving lever 604 drives the limiting shaft 608 to rotate clockwise along the limiting frame 502, the limiting frame 502 limits the limiting shaft 608, the limiting shaft 608 drives the control shaft 607 to move close to the gearbox, the adjusting lever 606 rotates along the pointer, the adjusting lever 606 is fixedly connected with the fork shaft 605, the fork shaft 605 rotates clockwise, the fork adjusting sliding gear 403 slides downward, the sliding gear 403 drives the input sprocket 406 to rotate at the same angular speed, and the input sprocket 406 drives the driven sprocket 703 and the output sprocket 101 to rotate through the chain.
Under the state of entering a gear, the operating lever 601 is rotated anticlockwise to enter a reverse gear, the change of the adjusting assembly 6 in the state of the reverse gear is opposite to that in the state of entering the gear, after entering the reverse gear, the sliding gear 403 slides towards the box cover 3 along the input shaft 401, the sliding gear 403 is separated from the input chain wheel 406, the sliding gear 403 is connected with the driven gear 702 in a matched manner, the sliding gear 403 drives the driven gear 702 to rotate, the driven gear 702 drives the driven chain wheel 703 to rotate, the driven chain wheel 703 drives a chain, and the input chain wheel 406 and the output chain wheel 101 rotate along with the chain.
The utility model discloses in to the direction of structure and the description of relative position relation, it is right not to constitute like the description from top to bottom all around the utility model discloses a restriction only is the description convenient.
Claims (10)
1. A snowmobile speed change mechanism is characterized by comprising a gearbox, wherein the gearbox carries a control assembly, an input assembly (4), a driven assembly (7) and an output assembly (1), the control assembly is matched with the input assembly (4), and the input assembly (4), the driven assembly (7) and the output assembly (1) are connected in a matching manner;
the gearbox comprises a box body (2) and a box cover (3);
the input assembly (4) comprises an input shaft (401), one end of the input shaft (401) penetrates through the box body (2) to be arranged, the penetrating end is connected with the power device, the other end of the input shaft (401) is connected with the box cover (3) in a matched mode and is close to the box cover (3), a sliding gear (403) capable of sliding relatively along the input shaft (401) is sleeved outside the input shaft (401) and is close to the box body (2), the input shaft (401) is rotatably connected with an input chain wheel (406), and the input chain wheel (406) is connected with the sliding gear (403) in a matched mode;
the driven assembly (7) comprises a driven shaft (701), the two ends of the driven shaft (701) are fixedly connected with the box body (2) and the box cover (3) and are close to the box cover (3), the driven shaft (701) is rotatably connected with a driven gear (702) and is close to the box body (2), the driven shaft (701) is rotatably connected with a driven chain wheel (703), and the driven gear (702) is in fit connection with the driven chain wheel (703);
the output assembly (1) comprises an output shaft (102), one end of the output shaft (102) penetrates through the box body, and the other end of the output shaft (102) is fixedly connected with an output chain wheel (101);
the input chain wheel (406), the driven chain wheel (703) and the output chain wheel (101) are connected in a matching way;
the control assembly comprises a fixing assembly (5) and an adjusting assembly (6), the fixing assembly (5) is arranged on the outer side of the gearbox, the adjusting assembly (6) is connected with the fixing assembly (5) in a matched mode, the adjusting assembly (6) penetrates through the gearbox and is arranged, and the adjusting assembly (6) adjusts the sliding gear (403) to slide along the input shaft (401).
2. The snowmobile speed-change mechanism according to claim 1, characterized in that the fixing component (5) comprises a mounting bracket (501) and a limiting bracket (502), the mounting bracket (501) and the limiting bracket (502) are fixedly connected with the gearbox;
the adjusting assembly (6) comprises an operating rod (601), the middle of the operating rod (601) is rotatably connected with the mounting frame (501), the other end of the operating rod is rotatably connected with a follow-up rod (602), the other end of the follow-up rod (602) is connected with a rotating rod (603), the two ends of the follow-up rod (602) move in the vertical direction in the same direction, the other end of the rotating rod (603) is connected with a transmission rod (604), the middle of the rotating rod (603) is rotatably connected with the mounting frame (501), and when the operating rod (601) rotates, the rotating rod (603) is driven to rotate reversely;
the other end of the transmission rod (604) is rotatably connected with a limiting shaft (608), the limiting shaft (608) is horizontally arranged, the limiting shaft (608) is perpendicular to the transmission rod (604), the limiting shaft (608) is rotatably connected with the limiting frame (502) through a connecting rod (609), the other end of the limiting shaft (608) is connected with a control shaft (607) in a matching way, and the other end of the control shaft (607) is connected with the adjusting rod (606) in a matching way;
the other end of the adjusting rod (606) is fixedly connected with a shifting fork shaft (605), the shifting fork shaft (605) is rotatably connected with a gearbox, the other end of the shifting fork shaft (605) penetrates through the gearbox, the shifting fork shaft (605) penetrates through part of the gearbox and is fixedly connected with a shifting fork, and the shifting fork is matched with the sliding gear (403).
3. The snowmobile speed change mechanism according to claim 2, wherein two ends of the limiting shaft (608) are provided with spherical sliders (610), the transmission rod (604) is connected with the spherical sliders (610) in a matched manner, the transmission rod (604) can rotate around the spherical sliders (610), the control shaft (607) is connected with the spherical sliders (610) in a matched manner, and the control shaft (607) can rotate around the spherical sliders (610).
4. The snowmobile speed change mechanism according to claim 2, wherein a spherical connecting shaft (611) is arranged at the joint of the control shaft (607) and the adjusting rod (606), the adjusting rod (606) is rotatably connected with the spherical connecting shaft (611), the control shaft (607) is connected with the spherical connecting shaft (611) in a matching manner, and the control shaft (607) can rotate around the spherical connecting shaft (611).
5. The snowmobile speed-changing mechanism according to any one of claims 1 to 4, wherein the sliding gear (403) is provided with an adjusting groove (402) at the upper end, and the shifting fork is matched with the adjusting groove (402).
6. The snowmobile speed-changing mechanism according to claim 5, wherein the input shaft (401) is provided with a sliding groove (408) on the periphery, the sliding gear (403) is provided with a sliding block (407) on the inner wall corresponding to the sliding groove (408), and the sliding gear (403) slides along the sliding groove (408).
7. The snowmobile speed change mechanism according to claim 6, wherein the input shaft (401) is provided with a gasket (410) on the periphery, the gasket (410) corresponds to the inner wall of the adjusting groove (402), the diameter of the inner wall of the adjusting groove is larger than that of the inner wall of the sliding gear (403), and a return spring (409) is arranged between the sliding gear (403) and the gasket (410) in a matching manner.
8. The snowmobile speed change mechanism according to claim 7, wherein a gear clamping block (404) is arranged at the lower end of the sliding gear (403) and corresponds to the gear clamping block (404), a sprocket clamping block (405) is arranged at the upper end of the input sprocket (406), and the gear clamping block (404) is matched with the sprocket clamping block (405);
the lower end of the driven gear (702) is connected with the driven chain wheel (703) in a matching way.
9. The snowmobile speed change mechanism according to claim 8, wherein in a reverse gear state, the sliding gear (403) slides towards the box cover (3) along the input shaft (401), the sliding gear (403) is separated from the input sprocket (406), the sliding gear (403) is connected with the driven gear (702) in a matching manner, the sliding gear (403) drives the driven gear (702) to rotate, the driven gear (702) drives the driven sprocket (703) to rotate, the driven sprocket (703) drives the chain, and the input sprocket (406) and the output sprocket (101) rotate along with the chain.
10. The snowmobile speed change mechanism according to claim 8, wherein in the gear-in state, the sliding gear (403) slides towards the box body (2) along the input shaft (401), the sliding gear (403) is connected with the input chain wheel (406) in a matching way, the sliding gear (403) drives the input chain wheel (406) to rotate, the input chain wheel (406) drives the chain, and the driven chain wheel (703) and the output chain wheel (101) rotate along with the chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222623518.3U CN218440462U (en) | 2022-09-30 | 2022-09-30 | Speed change mechanism of snowmobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222623518.3U CN218440462U (en) | 2022-09-30 | 2022-09-30 | Speed change mechanism of snowmobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218440462U true CN218440462U (en) | 2023-02-03 |
Family
ID=85041009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222623518.3U Active CN218440462U (en) | 2022-09-30 | 2022-09-30 | Speed change mechanism of snowmobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218440462U (en) |
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2022
- 2022-09-30 CN CN202222623518.3U patent/CN218440462U/en active Active
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