CN217177297U - Rear-mounted automatic transmission for tricycle - Google Patents

Rear-mounted automatic transmission for tricycle Download PDF

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Publication number
CN217177297U
CN217177297U CN202220769530.2U CN202220769530U CN217177297U CN 217177297 U CN217177297 U CN 217177297U CN 202220769530 U CN202220769530 U CN 202220769530U CN 217177297 U CN217177297 U CN 217177297U
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China
Prior art keywords
gear
reverse
sliding sleeve
speed change
output gear
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CN202220769530.2U
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Chinese (zh)
Inventor
黄善劲
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Bafang Electric Suzhou Co Ltd
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Bafang Electric Suzhou Co Ltd
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Priority to CN202220769530.2U priority Critical patent/CN217177297U/en
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Abstract

The utility model discloses a rearmounted automatic gearbox for tricycle, it relates to the tricycle field. The technical scheme is characterized by comprising a speed change mechanism, a differential mechanism and a transmission mechanism, wherein the transmission mechanism comprises a forward spline shaft, a forward input gear, a forward output gear, a forward sliding sleeve, a reverse spline shaft, a reverse input gear, a reverse output gear, a reverse sliding sleeve and a reversing execution assembly; the forward input gear is meshed with the reverse input gear and is connected with the speed change mechanism; the forward output gear and the reverse output gear are respectively connected with the differential, the reverse output gear idles during forward work, and the forward output gear idles during reverse work. The utility model has the advantages of simple structure is compact and can optimize the experience of riding.

Description

Rear-mounted automatic transmission for tricycle
Technical Field
The utility model relates to a tricycle field, more specifically says that it relates to a rearmounted automatic gearbox for tricycle.
Background
The prior chinese patent publication No. CN113251118A discloses an AMT two-gear automatic transmission for an electro-tricycle, which includes a housing, a transmission mechanism, a shift actuator and a shift controller, wherein the transmission mechanism and the shift actuator are disposed in the housing; the gear shifting controller is electrically connected with the input end of the gear shifting executing mechanism, the output end of the gear shifting executing mechanism is connected with the power input end of the driving motor, the power output end of the driving motor is connected with the power input end of the transmission mechanism, and the power output end of the transmission mechanism is connected with the stressed component; the gear shifting controller controls the transmission mechanism and the gear shifting executing mechanism to be matched with each other to complete automatic gear shifting by acquiring data information fed back by the transmission mechanism and the gear shifting executing mechanism.
However, the above-described transmission also has the following problems: 1. only two gears are arranged, so that the riding experience is influenced; 2. the automatic gear shifting structure is complex, and the production cost is high; 3. lack reverse gear, influence ride experience.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a rear automatic gearbox for tricycle, it has simple structure compactness and can optimize the advantage of riding experience.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a rear automatic transmission for a three-wheeled vehicle, comprising a speed change mechanism, a differential and a transmission mechanism arranged between the speed change mechanism and the differential, the transmission mechanism comprising:
the forward sliding sleeve can axially move relative to the forward spline shaft to be connected with the forward output gear and drive the forward output gear to rotate;
the reverse spline shaft is respectively provided with a reverse input gear which is bonded with the reverse spline shaft, a reverse output gear which is sleeved with the reverse spline shaft in an empty way and a reverse sliding sleeve which is bonded with the reverse spline shaft, and the reverse sliding sleeve can move relative to the reverse spline shaft along the axial direction to be connected with the reverse output gear and drive the reverse output gear to rotate; and the number of the first and second groups,
the reversing execution assembly is used for driving the forward sliding sleeve or the reverse sliding sleeve to move;
the forward input gear is meshed with the reverse input gear, and the forward input gear is connected with the speed change mechanism; the forward output gear and the reverse output gear are respectively connected with the differential, the reverse output gear idles when the forward work is carried out, and the forward output gear idles when the reverse work is carried out.
Further, the reversing execution assembly can drive the forward sliding sleeve and the reverse sliding sleeve to move synchronously.
Furthermore, the reversing executing assembly comprises a reversing driving rod, and a forward shifting fork connected with the forward sliding sleeve and a reverse shifting fork connected with the reverse sliding sleeve are fixedly arranged on the reversing driving rod respectively.
Furthermore, the end face of the forward sliding sleeve is provided with a plurality of driving blocks which are uniformly distributed along the circumferential direction, and the forward output gear is provided with a plurality of driving holes matched with the driving blocks.
Further, the speed change mechanism comprises at least three gears, and automatic gear shifting is realized according to the variable speed output speed.
Furthermore, the speed change mechanism comprises a fixedly arranged middle shaft and a speed change shell which is supported on the middle shaft in a rolling way; the outer side wall of the speed change shell is provided with a speed change output gear meshed with the forward input gear; the middle shaft is sequentially provided with a first planetary gear assembly, an integrated centrifugal clutch assembly and a second planetary gear assembly;
the first planetary gear assembly comprises a first planet carrier, a first planet gear, a first sun gear and a first gear ring, the first sun gear is fixed relative to the middle shaft, the first planet carrier is provided with a variable speed input chain wheel, and a first gear clutch assembly is arranged between the first planet carrier and the variable speed shell;
the integrated centrifugal clutch assembly comprises an integrated clutch inner ring, a secondary clutch driving piece, a secondary clutch outer ring, a secondary driving plate, a secondary centrifugal throwing block, a tertiary clutch driving piece, a tertiary clutch outer ring, a tertiary driving plate and a tertiary centrifugal throwing block, wherein the secondary clutch outer ring is linked with the first gear ring along the circumferential direction, and the integrated clutch inner ring is linked with the speed change shell along the circumferential direction;
the second planetary gear assembly comprises a second planet carrier, a second planet gear, a second sun gear and a second gear ring, the second planet carrier is linked with the first gear ring along the circumferential direction, the second gear ring is linked with the third gear clutch outer ring along the circumferential direction, and the second sun gear is fixed relative to the middle shaft along the circumferential direction.
Furthermore, a transmission plate located between the first planet carrier and the integrated clutch inner ring is arranged on the inner side wall of the first gear ring, and a transmission cylinder located on the radial inner side of the integrated clutch inner ring is arranged between the transmission plate and the second planet carrier.
Further, a bearing is arranged between the transmission plate and the middle shaft.
Furthermore, a positioning plate is arranged on the inner side wall of the second gear ring, and a bearing is arranged between the positioning plate and the integrated clutch inner ring.
Furthermore, an output plate fixedly connected with the speed change shell is arranged on the outer side wall of the clutch inner ring, and the two-gear centrifugal throwing block and the three-gear centrifugal throwing block are both arranged on the output plate and are positioned on the same side of the output plate.
To sum up, the utility model discloses following beneficial effect has:
1. the speed changer is arranged on the tricycle, when the tricycle moves forwards, the speed changer works in a forward direction, the reverse output gear idles at the moment, and the rotating speed of the speed change mechanism is transmitted to the differential mechanism through the forward input gear, the forward spline shaft, the forward sliding sleeve and the forward output gear; when the tricycle moves backwards, the transmission works in the reverse direction, at the moment, the forward output gear idles, and the rotating speed of the speed change mechanism is transmitted to the differential mechanism through the forward input gear, the reverse spline shaft, the reverse sliding sleeve and the reverse output gear; moreover, when the tricycle moves forwards or backwards, the pedaling directions of the riding vehicle are the same, so that the riding experience is optimized;
2. the speed change mechanism automatically realizes gear switching according to the output speed, can optimize riding experience, has a simplified structure, can reduce production cost and prolong the service life;
3. compact structure and convenient installation.
Drawings
FIG. 1 is a schematic structural diagram of a rear automatic transmission for a tricycle in an embodiment;
FIG. 2 is a schematic structural view of a shifting mechanism in the embodiment;
FIG. 3 is a schematic structural view of a transmission mechanism in the embodiment;
FIG. 4 is a schematic structural view of the forward driving sleeve and the forward fork in the embodiment;
FIG. 5 is a schematic structural diagram of a forward output gear in the embodiment.
In the figure: 1. a speed change mechanism; 11. a middle shaft; 121. a first carrier; 122. a first sun gear; 123. a first ring gear; 124. a first gear clutch assembly; 125. a drive plate; 131. integrating the clutch inner ring; 132. an output plate; 133. a second-gear clutch outer ring; 134. a third-gear clutch outer ring; 14. a transmission cylinder; 151. a second planet carrier; 152. a second sun gear; 153. a second ring gear; 154. positioning a plate; 17. a variable speed input sprocket; 18. a transmission housing; 19. a variable speed output gear; 2. a transmission mechanism; 21. a forward spline shaft; 22. a forward input gear; 23. a forward output gear; 231. a drive aperture; 24. a forward sliding sleeve; 241. a splined bore; 242. a drive block; 243. a limiting ring groove; 25. a reverse spline shaft; 26. a reverse input gear; 27. a reverse output gear; 28. a reverse sliding sleeve; 291. a reversing drive rod; 292. a forward shifting fork; 293. a reverse shifting fork; 3. a differential gear.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Example (b):
a rear automatic transmission for a tricycle, refer to fig. 1 to 5, which comprises a speed change mechanism 1, a differential 3 and a transmission mechanism 2 arranged between the speed change mechanism 1 and the differential 3; in the embodiment, the transmission mechanism 2 comprises a forward spline shaft 21 and a reverse spline shaft 25, the forward spline shaft 21 is respectively provided with a forward input gear 22 bonded with the forward input gear, a forward output gear 23 sleeved with the forward input gear and a forward sliding sleeve 24 bonded with the forward input gear, and the forward sliding sleeve 24 can axially move relative to the forward spline shaft 21 to be connected with the forward output gear 23 and drive the forward output gear 23 to rotate; the reverse spline shaft 25 is respectively provided with a reverse input gear 26 which is bonded with the reverse spline shaft, a reverse output gear 27 which is sleeved with the reverse spline shaft and a reverse sliding sleeve 28 which is bonded with the reverse spline shaft, and the reverse sliding sleeve 28 can move relative to the reverse spline shaft 25 along the axial direction to be connected with the reverse output gear 27 and drive the reverse output gear 27 to rotate; the transmission mechanism 2 further comprises a reversing execution assembly for driving the forward sliding sleeve 24 or the reverse sliding sleeve 28 to move; wherein, the forward input gear 22 is meshed with the reverse input gear 26, and the forward input gear 22 is connected with the speed change mechanism 1; the forward output gear 23 and the reverse output gear 27 are respectively connected with the differential 3, the reverse output gear 27 idles when the forward work is carried out, and the forward output gear 23 idles when the reverse work is carried out; the transmission in the embodiment is installed on a tricycle, when the tricycle moves forward, the transmission works in the forward direction, at the moment, the reverse output gear 27 idles, and the rotating speed of the speed change mechanism 1 is transmitted to the differential mechanism 3 through the forward input gear 22, the forward spline shaft 21, the forward sliding sleeve 24 and the forward output gear 23; when the tricycle moves backwards, the transmission works in the reverse direction, at the same time, the forward output gear 23 idles, and the rotating speed of the speed change mechanism 1 is transmitted to the differential mechanism through the forward input gear 22, the reverse input gear 26, the reverse spline shaft 25, the reverse sliding sleeve 28 and the reverse output gear 27; moreover, when the tricycle moves forwards or backwards, the pedaling directions of the riding vehicle are the same, so that the riding experience is optimized; the transmission in the embodiment is suitable for a tricycle, but may be mounted on other vehicles, and is not limited herein.
Referring to fig. 1 to 5, preferably, the reversing executing assembly in this embodiment can drive the forward sliding sleeve 24 and the reverse sliding sleeve 28 to move synchronously, so as to simplify the structure and facilitate the control; specifically, the reversing executing assembly in this embodiment includes a reversing driving rod 291, and a forward shifting fork 292 connected to the forward sliding sleeve 24 and a reverse shifting fork 293 connected to the reverse sliding sleeve 28 are respectively and fixedly disposed on the reversing driving rod 291; when the reversing driving rod 291 moves along the axial direction, the forward shifting fork 292 and the reverse shifting fork 293 can be driven to synchronously move, so that the switching of the working states of the forward output gear 23 and the reverse output gear 27 is conveniently realized; specifically, bolts abutting against the reversing driving rod 291 are respectively screwed on the forward shifting fork 292 and the reverse shifting fork 293, so that fixed connection is achieved, and mounting and dismounting are facilitated.
Referring to fig. 1 to 5, specifically, in this embodiment, the end surface of the forward sliding sleeve 24 is provided with a plurality of driving blocks 242 uniformly distributed along the circumferential direction, and the forward output gear 23 is provided with a plurality of driving holes 231 matched with the driving blocks 242; the forward sliding sleeve 24 moves relative to the forward spline shaft 21 along the axial direction until the driving block 242 is embedded into the driving hole 231, so that the forward sliding sleeve 24 is connected with the forward output gear 23, and the forward sliding sleeve 24 can drive the forward output gear 23 to rotate; of course, in other alternative embodiments, the connection between the forward sliding sleeve 24 and the forward output gear 23 may be implemented by other structures, such as two sets of face teeth, which is not limited herein.
Referring to fig. 1 to 5, in particular, in the present embodiment, the forward sliding sleeve 24 is located between the forward input gear 22 and the forward output gear 23, and the reverse output gear 27 is located between the reverse input gear 26 and the reverse sliding sleeve 28, so as to facilitate synchronous switching between the connection state and the disconnection state; of course, the installation position of the forward sliding sleeve 24 and the installation position of the reverse sliding sleeve 28 can be synchronously adjusted, and is not limited herein; in this embodiment, a spline hole matched with the forward spline shaft 21 is formed in the middle of the forward input gear 22, and an axial limiting structure is arranged between the forward input gear 22 and the forward spline shaft 21, for example, an axial step is matched with a snap spring or two snap springs are matched; a spline hole 241 matched with the forward spline shaft 21 is formed in the middle of the forward sliding sleeve 24, but an axial limiting structure is not arranged between the forward sliding sleeve 24 and the forward spline shaft 21, so that the forward sliding sleeve 24 can move axially relative to the forward spline shaft 21; a round hole is formed in the middle of the forward output gear 23, and the forward output gear 23 is sleeved on the forward spline shaft 21 in an empty mode, so that the forward output gear 23 and the forward spline shaft 21 cannot be directly linked; in this embodiment, the outer circumferential side wall of the forward sliding sleeve 24 is provided with a limit ring groove 243 matched with the forward shifting fork 292, so that the forward shifting fork 292 does not influence the rotation of the forward sliding sleeve 24, and the forward shifting fork 292 can drive the forward sliding sleeve 24 to move axially; in this embodiment, the structures and the connection relations of the reverse spline shaft 25, the reverse input gear 26, the reverse output gear 27, the reverse sliding sleeve 28, and the reverse shift fork 293 are the same as those of the forward direction, and are not described herein again; wherein, preferably, both end surfaces of the forward sliding sleeve 24 are provided with the driving blocks 242, and the forward sliding sleeve 24 can be directly used for the reverse sliding sleeve 28, thereby facilitating the processing and assembling.
Referring to fig. 1 to 3, preferably, in the present embodiment, the transmission mechanism 1 includes at least three gears, and realizes automatic gear shifting according to the variable speed output speed, so as to optimize riding experience and prolong service life; of course, in other alternative embodiments, the speed change mechanism 1 may also adopt other speed change structures, and is not limited herein; specifically, the transmission 1 in the present embodiment includes a fixed bottom bracket 11, and a transmission housing 18 rolling-supported on the bottom bracket 11; the outer side wall of the speed change shell 18 is provided with a speed change output gear 19 meshed with the forward direction input gear 22; the middle shaft 11 is sequentially provided with a first planetary gear assembly, an integrated centrifugal clutch assembly and a second planetary gear assembly; in this embodiment, three gears are realized by matching two sets of planetary gear assemblies and one integrated centrifugal clutch assembly, and of course, in other alternative embodiments, the number of gears can be increased by continuously adding the planetary gear assemblies and the integrated centrifugal clutch assembly, which is not limited herein.
Referring to fig. 1 and 2, the first planetary gear assembly in this embodiment includes a first planet carrier 121, a first planet gear, a first sun gear 122 and a first ring gear 123, a first gear clutch assembly 124 is disposed between the first planet carrier 121 and the transmission housing 18, the first sun gear 122 is fixed relative to the bottom bracket shaft 11 along the circumferential direction, and the first planet carrier 121 is provided with a transmission input sprocket 17; in this embodiment, the middle shaft 11 is fixed, and the first sun gear 122 and the middle shaft 11 are integrally formed, so as to fix the first sun gear 122; a bearing is arranged between the first planet carrier 121 and the middle shaft 11, so that the stable rotation of the first planet carrier 121 can be ensured; when the transmission is mounted on a tricycle, the transmission input sprocket 17 is connected to a chain to receive the pedaling speed or the motor speed of a rider.
Referring to fig. 2, the integrated centrifugal clutch assembly in this embodiment includes an integrated clutch inner ring 131, a second-gear clutch driving member, a second-gear clutch outer ring 133, a second-gear driving plate, a second-gear centrifugal thrower, a third-gear clutch driving member, a third-gear clutch outer ring 134, a third-gear driving plate, and a third-gear centrifugal thrower, where the second-gear clutch outer ring 133 is circumferentially linked with the first gear ring 123, and the integrated clutch inner ring 131 is circumferentially linked with the transmission housing 18; specifically, in the present embodiment, the integrated clutch inner 131 includes a second-gear clutch inner and a third-gear clutch inner that are integrally formed, so that the number of parts and the assembly process can be reduced, and the axial dimension can be optimized; specifically, in the present embodiment, the outer side wall of the integrated clutch inner 131 is provided with an output plate 132 connected to the transmission housing 18, and the second clutch outer 133 and the third clutch outer 134 are respectively located on two sides of the output plate 132; preferably, the second-gear centrifugal thrower and the third-gear centrifugal thrower are both connected to the output plate 132, so that the change of state can be realized according to the output speed; in this embodiment, the second-gear centrifugal thrower and the third-gear centrifugal thrower are located on the same side of the output plate 132, so that the axial dimension and the radial dimension can be optimized; the working principle and other structures of the centrifugal clutch assembly in this embodiment belong to the prior art, and are not described herein.
Referring to fig. 2, in particular, in the present embodiment, the second planetary gear assembly includes a second planet carrier 151, a second planet gear, a second sun gear 152, and a second ring gear 153, the second planet carrier 151 is circumferentially linked with the first ring gear 123, the second ring gear 153 is circumferentially linked with the third clutch outer 134, and the second sun gear 152 is circumferentially fixed with respect to the middle shaft 11; preferably, in the present embodiment, the inner side wall of the first ring gear 123 is provided with the transmission plate 125 located between the first planet carrier 121 and the integrated clutch inner 131, and the transmission cylinder 14 located at the radial inner side of the integrated clutch inner 131 is arranged between the transmission plate 125 and the second planet carrier 151, so that the axial size and the radial size can be optimized; preferably, the cross section of the driving plate 125 in this embodiment is T-shaped, so that a bearing at the end of the driving cylinder 14 is conveniently arranged between the driving plate 125 and the middle shaft 11, and further the radial dimension can be optimized; in the embodiment, circumferential linkage is realized between the transmission plate 125 and the transmission cylinder 14 and between the transmission cylinder 14 and the second planet carrier 151 through key slot matching; specifically, in the present embodiment, a bearing is disposed between the second planet carrier 151 and the middle shaft 11, so as to ensure stable rotation of the second planet carrier 151; in this embodiment, the second sun gear 152 is sleeved on the middle shaft 11, and a flat position is arranged between the two, so that the second sun gear 152 is fixed and does not rotate; preferably, in the present embodiment, the positioning plate 154 is disposed on the inner side wall of the second ring gear 153, and a bearing is disposed between the positioning plate 154 and the integrated clutch inner 131, so that the radial dimension can be optimized, and the transmission output gear 19 can be disposed on the outer side wall of the transmission housing 18.

Claims (10)

1. The utility model provides a rear automatic gearbox for tricycle, includes speed change mechanism, differential mechanism and set up in drive mechanism between speed change mechanism and the differential mechanism, its characterized in that: the transmission mechanism includes:
the forward sliding sleeve can axially move relative to the forward spline shaft to be connected with the forward output gear and drive the forward output gear to rotate;
the reverse spline shaft is respectively provided with a reverse input gear which is bonded with the reverse spline shaft, a reverse output gear which is sleeved with the reverse spline shaft in an empty way and a reverse sliding sleeve which is bonded with the reverse spline shaft, and the reverse sliding sleeve can move relative to the reverse spline shaft along the axial direction to be connected with the reverse output gear and drive the reverse output gear to rotate; and the number of the first and second groups,
the reversing execution assembly is used for driving the forward sliding sleeve or the reverse sliding sleeve to move;
the forward input gear is meshed with the reverse input gear, and the forward input gear is connected with the speed change mechanism; the forward output gear and the reverse output gear are respectively connected with the differential, the reverse output gear idles when the forward work is carried out, and the forward output gear idles when the reverse work is carried out.
2. The rear automatic transmission for a three-wheeled vehicle according to claim 1, characterized in that: the reversing executing assembly can drive the forward sliding sleeve and the reverse sliding sleeve to synchronously move.
3. The rear automatic transmission for a three-wheeled vehicle according to claim 2, characterized in that: the reversing executing assembly comprises a reversing driving rod, and a forward shifting fork connected with the forward sliding sleeve and a reverse shifting fork connected with the reverse sliding sleeve are fixedly arranged on the reversing driving rod respectively.
4. The rear automatic transmission for a three-wheeled vehicle according to claim 1, characterized in that: the end face of the forward sliding sleeve is provided with a plurality of driving blocks which are uniformly distributed along the circumferential direction, and the forward output gear is provided with a plurality of driving holes matched with the driving blocks.
5. The rear automatic transmission for a three-wheeled vehicle according to claim 1, characterized in that: the speed change mechanism comprises at least three gears and realizes automatic gear shifting according to the variable speed output speed.
6. The rear automatic transmission for a three-wheeled vehicle according to claim 5, characterized in that: the speed change mechanism comprises a fixed middle shaft and a speed change shell which is supported on the middle shaft in a rolling way; the outer side wall of the speed change shell is provided with a speed change output gear meshed with the forward input gear; the middle shaft is sequentially provided with a first planetary gear assembly, an integrated centrifugal clutch assembly and a second planetary gear assembly;
the first planetary gear assembly comprises a first planet carrier, a first planet gear, a first sun gear and a first gear ring, the first sun gear is fixed relative to the middle shaft, the first planet carrier is provided with a variable speed input chain wheel, and a first gear clutch assembly is arranged between the first planet carrier and the variable speed shell;
the integrated centrifugal clutch assembly comprises an integrated clutch inner ring, a secondary clutch driving piece, a secondary clutch outer ring, a secondary driving plate, a secondary centrifugal throwing block, a tertiary clutch driving piece, a tertiary clutch outer ring, a tertiary driving plate and a tertiary centrifugal throwing block, wherein the secondary clutch outer ring is linked with the first gear ring along the circumferential direction, and the integrated clutch inner ring is linked with the speed change shell along the circumferential direction;
the second planetary gear assembly comprises a second planet carrier, a second planet gear, a second sun gear and a second gear ring, the second planet carrier is linked with the first gear ring along the circumferential direction, the second gear ring is linked with the third gear clutch outer ring along the circumferential direction, and the second sun gear is fixed relative to the middle shaft along the circumferential direction.
7. The rear automatic transmission for a three-wheeled vehicle according to claim 6, characterized in that: the first gear ring inner side wall is provided with a transmission plate located between the first planet carrier and the integrated clutch inner ring, and a transmission cylinder located on the radial inner side of the integrated clutch inner ring is arranged between the transmission plate and the second planet carrier.
8. The rear automatic transmission for a three-wheeled vehicle according to claim 7, characterized in that: and a bearing is arranged between the transmission plate and the middle shaft.
9. The rear automatic transmission for a three-wheeled vehicle according to claim 6, characterized in that: and a positioning plate is arranged on the inner side wall of the second gear ring, and a bearing is arranged between the positioning plate and the integrated clutch inner ring.
10. The rear automatic transmission for a three-wheeled vehicle according to claim 6, characterized in that: the outer side wall of the clutch inner ring is provided with an output plate fixedly connected with the speed change shell, and the two-gear centrifugal throwing block and the three-gear centrifugal throwing block are both arranged on the output plate and are positioned on the same side of the output plate.
CN202220769530.2U 2022-04-01 2022-04-01 Rear-mounted automatic transmission for tricycle Active CN217177297U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220769530.2U CN217177297U (en) 2022-04-01 2022-04-01 Rear-mounted automatic transmission for tricycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220769530.2U CN217177297U (en) 2022-04-01 2022-04-01 Rear-mounted automatic transmission for tricycle

Publications (1)

Publication Number Publication Date
CN217177297U true CN217177297U (en) 2022-08-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220769530.2U Active CN217177297U (en) 2022-04-01 2022-04-01 Rear-mounted automatic transmission for tricycle

Country Status (1)

Country Link
CN (1) CN217177297U (en)

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