CN213921341U - Rear wheel supporting structure of tricycle - Google Patents
Rear wheel supporting structure of tricycle Download PDFInfo
- Publication number
- CN213921341U CN213921341U CN202021863050.XU CN202021863050U CN213921341U CN 213921341 U CN213921341 U CN 213921341U CN 202021863050 U CN202021863050 U CN 202021863050U CN 213921341 U CN213921341 U CN 213921341U
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- arm
- swing
- rear wheel
- seat
- locking
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Abstract
The utility model provides a rear wheel bearing structure of tricycle, includes frame and wheel seat, still includes: the device comprises a transverse shaft, a supporting arm, a fixed seat, a swinging arm and a damping arm; the transverse shaft is fixed with the frame, the left and right supporting arms are respectively movably connected with the transverse shaft, the left and right rear wheel seats, the fixed seat is fixedly connected with the frame, and the middle part of the swing arm is movably connected with the fixed seat through a swing shaft; the left and right damping arms are respectively and movably connected with the middle parts of the left and right supporting arms. The left rear wheel and the right rear wheel are simultaneously supported through the transverse shaft, the supporting arm, the fixing seat, the swing arm and the damping arm, the left wheel and the right wheel can move up and down adaptively according to the driving requirement and the road condition in the driving process, and meanwhile, the swing arm swings along with the driving condition to further coordinate the movement of the rear wheels and improve the comfort of a rider. The motion of the swing arm can be limited through the swing locking device according to the use condition, and then the follow-up performance of the tricycle in running is improved. In addition, the swing arm can be locked to provide effective support for the vehicle when parking.
Description
Technical Field
The utility model relates to a technical field of motorcycle, a rear wheel bearing structure of tricycle specifically says so.
Background
The existing motorcycle usually adopts a two-wheel or three-wheel structure, the front wheels are the steering mechanism of the motorcycle, the driver changes the advancing direction of the motorcycle by operating and rotating a handle, and the motorcycle with the three-wheel structure is easier to be mastered by the driver than the motorcycle with the two-wheel structure. The traditional motor tricycle generally adopts a structure that a single wheel is arranged in front of the tricycle and two wheels are arranged behind the tricycle, the positions of two wheels on the rear side are fixed, a shock absorber is arranged at the part below a seat cushion, and jolts and vibrations of the tricycle during running are buffered through the shock absorber so as to improve the driving comfort. However, the tricycle has poor anti-roll capability and turning capability in the running process, the tricycle rolls when the speed is slightly high, the rollover accident is easy to happen, and meanwhile, the trafficability of the tricycle on a bumpy road surface is poor.
In the prior art, a tricycle with a rear wheel capable of swinging according to a running road surface is also provided, but the existing tricycle is relatively complex in support structure, troublesome in locking operation and easy to overturn when parked.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a rear wheel bearing structure of tricycle.
The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be:
the utility model discloses a rear wheel bearing structure of tricycle, including frame and wheel seat, the frame constitutes the foundation structure that the rear wheel supported, and the rear wheel seat is connected with the wheel and corresponds left and right wheel and divide into left rear wheel seat and right rear wheel seat, still includes: the device comprises a transverse shaft, a supporting arm, a fixed seat, a swinging arm and a damping arm; the transverse shaft is fixed with the frame, and the arrangement direction of the transverse shaft is vertical to the central line direction of the frame; the supporting arm comprises a left supporting arm and a right supporting arm, the head end of the left supporting arm is movably connected with the transverse shaft through a left rotating shaft, the tail end of the left supporting arm is movably connected with the left rear wheel seat, the head end of the right supporting arm is movably connected with the transverse shaft through a right rotating shaft, and the tail end of the right supporting arm is movably connected with the right rear wheel seat; the fixed seat is fixedly connected with the frame, and the middle part of the swing arm is movably connected with the fixed seat through a swing shaft; the shock attenuation arm includes left shock attenuation arm and right shock attenuation arm, and the head end of left shock attenuation arm and the left end swing joint of swing arm, the tail end of left shock attenuation arm and the middle part swing joint of left branch brace arm, the head end of right shock attenuation arm and the right-hand member swing joint of swing arm, the tail end of right shock attenuation arm and the middle part swing joint of right branch brace arm.
The utility model discloses can also adopt following technical measure:
the fixing seat is provided with a swing locking device which limits the swing of the swing arm.
Swing locking means include the locking round pin, the locking seat, reset spring, connecting wire and operation handle, the locking seat is located the both sides of fixing base respectively with the swing arm, the locking seat is fixed mutually with the fixing base, the locking seat slides relatively to the locking pin, the tail end of locking round pin is connected with the connecting wire, the fixing base is run through to the head end of locking round pin, reset spring sets up between locking seat and locking round pin, and reset spring drives the locking round pin and produces the motion trend that stretches to the swing arm side, operation handle drive connecting wire is in order to drive the motion of locking round pin, the swing arm middle part sets up the pinhole, when operation handle release locking round pin, the locking round pin moves in order to restrict the swing arm in inserting the pinhole.
The left rotating shaft, the right rotating shaft and the transverse shaft are coaxially arranged.
The locking pin is perpendicular to the plane of the swing arm when the swing arm moves.
The utility model has the advantages and positive effects that:
the utility model discloses an among the rear wheel bearing structure of tricycle, support two left and right rear wheels simultaneously through cross axle, support arm, fixing base, swing arm and shock attenuation arm, about the in-process wheel can be according to going needs and road surface situation carry out adaptability activity from top to bottom, the swing arm takes place the swing along with the situation of going simultaneously to the motion of further coordinating the rear wheel improves the person's of taking comfort level. The motion of the swing arm can be limited through the swing locking device according to the use condition, and then the follow-up performance of the tricycle in running is improved. In addition, the swing arm can be locked to provide effective support for the vehicle when parking.
Drawings
FIG. 1 is a schematic view of a rear wheel support structure of a tricycle of the present invention;
FIG. 2 is a schematic top view of the rear wheel support structure of the tricycle of the present invention;
FIG. 3 is a side schematic view of the rear wheel support structure of the tricycle of the present invention;
fig. 4 is a schematic bottom view of the rear wheel support structure of the tricycle of the present invention;
fig. 5 is a schematic view of the rear side of the rear wheel support structure of the tricycle of the present invention.
Detailed Description
The technical solution of the present invention is explained in detail by the accompanying drawings and the specific embodiments.
The directions of all the parts in the utility model are forward directions which are the directions of the motorcycle when the motorcycle normally runs forward, and backward directions which are the directions deviating from the forward directions; the utility model provides a left side and right side all correspond with the driver visual angle that is located the motorcycle driving position.
As shown in fig. 1 to 5, the utility model discloses a rear wheel bearing structure of tricycle, including frame 1 and wheel seat, the frame constitutes the foundation structure that the rear wheel supported, and the rear wheel seat is connected with the wheel and corresponds left and right wheel and divide into left rear wheel seat 2a and right rear wheel seat 2b, still includes: the device comprises a transverse shaft, a supporting arm, a fixed seat, a swinging arm and a damping arm; the cross shaft 3 is fixed with the frame, and the arrangement direction of the cross shaft is vertical to the central line direction of the frame; the supporting arm comprises a left supporting arm 4a and a right supporting arm 4b, the head end of the left supporting arm is movably connected with the transverse shaft through a left rotating shaft 5a, the tail end of the left supporting arm is movably connected with the left rear wheel seat, the head end of the right supporting arm is movably connected with the transverse shaft through a right rotating shaft 5b, and the tail end of the right supporting arm is movably connected with the right rear wheel seat; the fixed seat 6 is fixedly connected with the frame, and the middle part of the swing arm 7 is movably connected with the fixed seat through a swing shaft 8; the shock attenuation arm includes left shock attenuation arm 9a and right shock attenuation arm 9b, and the head end of left shock attenuation arm and the left end swing joint of swing arm, the tail end of left shock attenuation arm and the middle part swing joint of left branch brace arm, the head end of right shock attenuation arm and the right-hand member swing joint of swing arm, the tail end of right shock attenuation arm and the middle part swing joint of right branch brace arm. In the running process of the vehicle, the swing arm can swing up and down along with the fluctuation of the wheels, so that the running comfort level is improved.
The fixed seat is provided with a swing locking device which limits the swing of the swing arm. Swing locking means includes locking round pin 10, locking seat 11, reset spring 12, connecting wire 13 and operation handle 14, locking seat is located the both sides of fixing base respectively with the swing arm, locking seat is fixed mutually with the fixing base, the locking round pin slides relatively locking seat, the tail end of locking round pin is connected with the connecting wire, the fixing base is run through to the head end of locking round pin, reset spring sets up between locking seat and locking round pin, and reset spring drives the locking round pin and produces the motion trend that stretches to the swing arm side, operation handle drive connecting wire is in order to drive the motion of locking round pin, the swing arm middle part sets up pinhole 15, when operation handle release locking round pin, the locking round pin inserts in the pinhole in order to restrict the swing arm motion. The structure of the operating handle and the connecting wire is the same as that of the existing bicycle line brake, and when the operating handle drives the locking pin to be separated from the pin hole, the operating handle can be locked in position so as to keep the swinging state of the swinging arm.
The left rotating shaft, the right rotating shaft and the transverse shaft are coaxially arranged, so that the left supporting arm and the right supporting arm are kept in a stable state in the movement process.
The plane that the locking round pin was located when moving with the swing arm is perpendicular to do benefit to the locking round pin and continue effective locking to the swing arm, also be convenient for the operating handle to the locking round pin release back, the locking round pin inserts in the pinhole under reset spring drives.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiment, but the present invention is not limited to the above embodiments, and any skilled person in the art can make some changes or modifications without departing from the technical scope of the present invention, and the present invention will be equivalent to the present invention.
Claims (5)
1. The utility model provides a rear wheel bearing structure of tricycle, includes frame and wheel seat, and the frame constitutes the foundation structure that the rear wheel supported, and the rear wheel seat is connected with the wheel and corresponds left and right wheel and divide into left rear wheel seat and right rear wheel seat, its characterized in that still includes: the device comprises a transverse shaft, a supporting arm, a fixed seat, a swinging arm and a damping arm; the transverse shaft is fixed with the frame, and the arrangement direction of the transverse shaft is vertical to the central line direction of the frame; the supporting arm comprises a left supporting arm and a right supporting arm, the head end of the left supporting arm is movably connected with the transverse shaft through a left rotating shaft, the tail end of the left supporting arm is movably connected with the left rear wheel seat, the head end of the right supporting arm is movably connected with the transverse shaft through a right rotating shaft, and the tail end of the right supporting arm is movably connected with the right rear wheel seat; the fixed seat is fixedly connected with the frame, and the middle part of the swing arm is movably connected with the fixed seat through a swing shaft; the shock attenuation arm includes left shock attenuation arm and right shock attenuation arm, and the head end of left shock attenuation arm and the left end swing joint of swing arm, the tail end of left shock attenuation arm and the middle part swing joint of left branch brace arm, the head end of right shock attenuation arm and the right-hand member swing joint of swing arm, the tail end of right shock attenuation arm and the middle part swing joint of right branch brace arm.
2. The rear wheel support structure of a tricycle of claim 1, characterized in that: the fixed seat is provided with a swing locking device which limits the swing of the swing arm.
3. The rear wheel support structure of a tricycle of claim 2, characterized in that: swing locking means includes the locking round pin, the locking seat, reset spring, connecting wire and operation handle, the locking seat is located the both sides of fixing base respectively with the swing arm, the locking seat is fixed mutually with the fixing base, the locking round pin slides relatively the locking seat, the tail end of locking round pin is connected with the connecting wire, the fixing base is run through to the head end of locking round pin, reset spring sets up between locking seat and locking round pin, and reset spring drives the motion trend that the locking round pin produced to the swing arm side, operation handle drive connecting wire is in order to drive the motion of locking round pin, the swing arm middle part sets up the pinhole, when operation handle release locking round pin, the locking round pin is inserted in the pinhole and is moved in order to restrict the swing.
4. The rear wheel support structure of a tricycle according to claim 1 or 3, characterized in that: the left rotating shaft, the right rotating shaft and the transverse shaft are coaxially arranged.
5. The rear wheel support structure of a tricycle of claim 4, characterized in that: the locking pin is perpendicular to the plane of the swing arm when the swing arm moves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021863050.XU CN213921341U (en) | 2020-09-01 | 2020-09-01 | Rear wheel supporting structure of tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021863050.XU CN213921341U (en) | 2020-09-01 | 2020-09-01 | Rear wheel supporting structure of tricycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213921341U true CN213921341U (en) | 2021-08-10 |
Family
ID=77160120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021863050.XU Active CN213921341U (en) | 2020-09-01 | 2020-09-01 | Rear wheel supporting structure of tricycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213921341U (en) |
-
2020
- 2020-09-01 CN CN202021863050.XU patent/CN213921341U/en active Active
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