CN112124474A - Rear wheel supporting structure of tricycle - Google Patents
Rear wheel supporting structure of tricycle Download PDFInfo
- Publication number
- CN112124474A CN112124474A CN202010900438.0A CN202010900438A CN112124474A CN 112124474 A CN112124474 A CN 112124474A CN 202010900438 A CN202010900438 A CN 202010900438A CN 112124474 A CN112124474 A CN 112124474A
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- CN
- China
- Prior art keywords
- arm
- swing
- rear wheel
- seat
- locking
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/02—Tricycles
- B62K5/027—Motorcycles with three wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
- B62K25/06—Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms
- B62K25/10—Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms for rear wheel
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Cycles, And Cycles In General (AREA)
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 invention relates to the technical field of motorcycles, in particular to a rear wheel supporting structure of a tricycle.
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.
Disclosure of Invention
The invention aims to provide a rear wheel supporting structure of a tricycle.
The technical scheme adopted by the invention for solving the technical problems in the prior art is as follows:
the invention relates to a rear wheel supporting structure of a tricycle, which comprises a frame and wheel seats, wherein the frame forms a foundation structure for supporting a rear wheel, the rear wheel seat is connected with a wheel and is divided into a left rear wheel seat and a right rear wheel seat corresponding to a left wheel and a right wheel, and the rear wheel supporting structure also comprises: 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 invention can also adopt the following technical measures:
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 invention has the advantages and positive effects that:
in the rear wheel supporting structure of the tricycle, the left rear wheel and the right rear wheel are simultaneously supported by 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 surface condition in the driving process, and the swing arm swings along with the driving condition so as to further coordinate the movement of the rear wheels and improve the comfort of passengers. 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 the rear wheel support structure of the 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 invention are forward directions which are the directions of the motorcycle when the motorcycle normally runs forwards, and backward directions which are the directions deviated from the forward directions; the left and right directions in the present invention correspond to the perspective of a driver in the driving position of the motorcycle.
As shown in fig. 1 to 5, the rear wheel support structure of a tricycle according to the present invention includes a frame 1 and wheel seats, the frame forms a base structure for supporting a rear wheel, the rear wheel seat is connected to a wheel and is divided into a left rear wheel seat 2a and a right rear wheel seat 2b corresponding to left and right wheels, and further 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.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
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 |
|---|---|---|---|
| CN202010900438.0A CN112124474A (en) | 2020-09-01 | 2020-09-01 | Rear wheel supporting structure of tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010900438.0A CN112124474A (en) | 2020-09-01 | 2020-09-01 | Rear wheel supporting structure of tricycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112124474A true CN112124474A (en) | 2020-12-25 |
Family
ID=73847719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010900438.0A Pending CN112124474A (en) | 2020-09-01 | 2020-09-01 | Rear wheel supporting structure of tricycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112124474A (en) |
-
2020
- 2020-09-01 CN CN202010900438.0A patent/CN112124474A/en active Pending
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