CN216070323U - Side-turning and deflection preventing mechanism on tricycle - Google Patents
Side-turning and deflection preventing mechanism on tricycle Download PDFInfo
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- CN216070323U CN216070323U CN202121917115.9U CN202121917115U CN216070323U CN 216070323 U CN216070323 U CN 216070323U CN 202121917115 U CN202121917115 U CN 202121917115U CN 216070323 U CN216070323 U CN 216070323U
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- rear rocker
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Abstract
The utility model discloses a side-turning and deflection-preventing mechanism on a tricycle, which comprises a rear frame pivoted with a main frame, a deflection swing rod and two rear rocker arms, wherein the deflection swing rod is parallel to a wheel axle of a rear wheel arranged on the rear rocker arms, and two ends of the deflection swing rod are respectively connected with the two rear rocker arms through pivoting structures; the center of the eccentric swing rod is pivotally connected to the rear frame; and a shock absorber is arranged between the rear frame and the main frame. The two rear rocker arms swing in opposite directions relative to the rear frame, one rear rocker arm moves upwards around the pivot shaft relative to the rear frame, and the other rear rocker arm moves downwards around the pivot shaft relative to the rear frame, so that the axles of the hubs of the two rear wheels in any movement mode are completely parallel under any condition, the anti-overturning capacity of a user and a tricycle can be enhanced, the rollover accident of the user and the tricycle is not easy to happen, the three wheels are ensured to be always in contact with the ground, and the tricycle runs more safely.
Description
Technical Field
The utility model relates to a side-turning and deflection preventing mechanism on a tricycle.
Background
The tricycle comprises a frame, front wheels and two rear wheels, wherein the frame comprises a main frame and a rear rocker arm, the rear rocker arm and the main frame are hinged, the rear rocker arm can swing upwards or downwards in the same direction relative to the main frame, the tricycle with the structure still runs at the same height when turning, the whole frame is in a non-side-tipping state, and the tricycle is easy to side-tip or sideslip due to the fact that centrifugal force and gravity of the tricycle and passengers cannot be balanced when turning.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a rollover and deflection preventing mechanism on a tricycle, which can enhance the rollover resisting capability of users and the tricycle, is not easy to cause the rollover accident of people and vehicles, ensures that three wheels are always in contact with the ground, increases the total grounding area of tires, provides stable, comfortable and safe driving experience, and is safer to drive.
In order to solve the technical problems, the utility model discloses a technical solution of a side-turning and deflection preventing mechanism on a tricycle, which comprises the following steps:
the utility model discloses a side-turning and deflection-preventing mechanism on a tricycle, which comprises a rear frame pivoted with a main frame, a deflection swing rod and two rear rocker arms, wherein the deflection swing rod is parallel to a wheel axle of a rear wheel arranged on the rear rocker arms, and two ends of the deflection swing rod are respectively connected with the two rear rocker arms through pivoting structures; the center of the eccentric swing rod is pivotally connected to the rear frame; and a shock absorber is arranged between the rear frame and the main frame.
The pivoting structure comprises a pull rod, a first rod end joint bearing arranged at the upper end of the pull rod and a second rod end joint bearing arranged at the lower end of the pull rod, the first rod end joint bearing is connected to the end part of the inclined swing rod, and the second rod end joint bearing is connected to the rear rocker arm.
The pivoting structure is connected to the front end of the rear rocker arm, the rear wheel is connected to the rear end of the rear rocker arm, and the rear rocker arm is connected to the rear frame through the pivoting shaft, so that the rear rocker arm can swing up and down around the pivoting shaft.
The rear frame is provided with an upper limiting block and a lower limiting block, and the upper limiting block and the lower limiting block are respectively positioned above and below the rear rocker arm.
The upper limiting block and the lower limiting block are consistent in structure and respectively comprise a fixed shaft and a buffer block sleeved on the fixed shaft, and the buffer block is opposite to the rear rocker arm.
The buffer block is made of polyurethane.
And a locking mechanism is further arranged between the rear frame and the rear rocker arm, and comprises a locking device fixed on the rear frame and a locking piece which is fixed on the rear rocker arm and correspondingly matched with the locking device.
The rear frame comprises a supporting shaft hinged with the main frame, and a left connecting plate and a right connecting plate which are arranged on the supporting shaft and are bilaterally symmetrical, the pivoting shaft is fixed on the left connecting plate and the right connecting plate, a left side plate and a right side plate are respectively arranged between the left end part and the right end part of the pivoting shaft, which are correspondingly matched with the supporting shaft, and the two rear rocker arms are respectively hinged at the position of the pivoting shaft between the left connecting plate and the left side plate and the position of the pivoting shaft between the right connecting plate and the right side plate.
The center of the eccentric swing rod is pivotally connected with the rear frame through a support, the support comprises a front support plate and a rear support plate, the front support plate is fixedly supported on a support shaft, and the rear support plate is fixedly arranged between the left connecting plate and the right connecting plate.
The rear rocker arm comprises a rear straight section connected with the rear wheel, an inclined section which avoids the rear wheel and is positioned at the front side of the rear wheel, and a front straight section which is connected with the inclined section and is hinged with the pivot shaft.
The utility model has the beneficial effects that:
compared with the prior art, the rollover and deflection preventing mechanism on the tricycle has the advantages that the two rear rocker arms swing in opposite directions relative to the rear frame, one rear rocker arm moves upwards around the pivot shaft relative to the rear frame, the other rear rocker arm moves downwards around the pivot shaft relative to the rear frame, so that the axles of the hubs of the two rear wheels in any movement mode under any condition are completely parallel, the rollover resisting capability of a user and the tricycle can be enhanced, the rollover accident of the user and the tricycle is not easy to happen, the three wheels are guaranteed to be always in contact with the ground, the total grounding area of the tires is increased, the stable, comfortable and safe driving experience is provided, and the tricycle runs more safely;
compared with the prior art, the mechanism for preventing side turning and deflection on the tricycle has the advantages that the two ends of the pivoting structure adopt the rod end joint bearings, so that a universal ball head pull rod can be provided with a larger angle rotation range;
compared with the prior art, the anti-rollover deflection mechanism on the tricycle has the advantages that the upper limiting block and the lower limiting block are designed to provide a safe up-down swinging angle for the up-down swinging of the rear rocker arm, so that the potential safety hazard caused by the overlarge swinging angle of the rear rocker arm due to improper driving is avoided, the service life of a vehicle is prolonged, and the safe driving coefficient of a driver is improved;
compared with the prior art, the side-turning and deflection preventing mechanism on the tricycle adopts the polyurethane buffer block, has a certain damping and buffering effect besides the effect of limiting and blocking the up-and-down swing of the rear rocker arm;
compared with the prior art, the anti-rollover and anti-deflection mechanism on the tricycle is provided with the locking mechanism, when the locking piece is locked by the locking device, the tricycle body is in a vertical parking state with the ground, and the parking stability is improved;
compared with the prior art, the anti-rollover and anti-deflection mechanism on the tricycle has the advantages that through the design of the special structure of the rear rocker arm, the front straight section of the rear rocker arm avoids the rear wheel and extends to the position of the pivot shaft, so that an accommodating space is formed between the two front straight sections, and the left connecting plate, the right connecting plate and the locking mechanism can be designed and accommodated in the position of the accommodating space;
compared with the prior art, the rear frame of the anti-rollover and anti-deflection mechanism on the tricycle is a closed frame which is not only a carrier of two rear rocker arms, but also a carrier of the deflection rocker arm, the locking mechanism, the upper limiting block and the lower limiting block, and a carrier of the shock absorber, so that the whole structure is more compact.
Drawings
FIG. 1 is a perspective view of a tricycle having a side-tipping and yaw prevention mechanism according to the present invention;
FIG. 2 is an angular perspective view of the anti-roll over mechanism on the tricycle of the present invention;
FIG. 3 is another angular perspective view of the anti-roll over mechanism on the tricycle of the present invention;
FIG. 4 is a perspective view of the anti-roll over mechanism of the present invention on a tricycle with two rear wheels removed;
fig. 5 is a top view of the anti-roll over mechanism on the tricycle of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 to 5, the utility model provides a side-turning and deflection-preventing mechanism on a tricycle, which comprises a rear frame 2 pivoted with a main frame 1, a deflection rod 3 and two rear rocker arms 4, wherein the deflection rod 3 is parallel to a wheel axle 6 of a rear wheel 5 arranged on the rear rocker arms 4, and two ends of the deflection rod 3 are respectively connected with the two rear rocker arms 4 through a pivoting structure 7; the center of the swing rod 3 is pivotally connected to the rear frame 2; and a shock absorber 8 is arranged between the rear frame 2 and the main frame 1.
The pivoting structure 7 comprises a pull rod 9, a first rod end joint bearing 10 arranged at the upper end of the pull rod 9 and a second rod end joint bearing 11 arranged at the lower end of the pull rod 9, wherein the first rod end joint bearing 10 is connected to the end part of the swing rod 3, and the second rod end joint bearing 11 is connected to the rear rocker arm 4.
The pivot structure 7 is connected to the front end of the rear rocker arm 4, the rear wheel 5 is connected to the rear end of the rear rocker arm 4, and the rear rocker arm 4 is connected to the rear frame 2 through a pivot shaft 12, so that the rear rocker arm 4 can swing up and down around the pivot shaft 12.
The rear frame 2 is provided with an upper limiting block 13 and a lower limiting block 14, and the upper limiting block 13 and the lower limiting block 14 are respectively positioned above and below the rear rocker arm 4.
The upper limiting block 13 and the lower limiting block 14 are consistent in structure and respectively comprise a fixed shaft 15 and a buffer block 16 sleeved on the fixed shaft 15, and the buffer block 16 is opposite to the rear rocker arm 4.
The buffer block 16 is made of polyurethane.
A locking mechanism 17 is further arranged between the rear frame 2 and the rear rocker arm 4, and the locking mechanism 17 comprises a locking device 18 fixed on the rear frame 2 and a locking sheet 19 fixed on the rear rocker arm 4 and correspondingly matched with the locking device 18.
The rear frame 2 comprises a support shaft 21 hinged with the main frame 1, and a left connecting plate 22 and a right connecting plate 23 which are arranged on the support shaft 21 and are bilaterally symmetrical, the pivot shaft 12 is fixed on the left connecting plate 22 and the right connecting plate 23, a left side plate 24 and a right side plate 25 are respectively arranged between the left end part and the right end part of the pivot shaft 12, which are correspondingly matched with the support shaft 21, and the two rear rocker arms 4 are respectively hinged at the position of the pivot shaft 12 between the left connecting plate 22 and the left side plate 24 and at the position of the right connecting plate 23 and the right side plate 25.
The center of the swing rod 3 is pivotally connected to the rear frame 2 through a support 26, the support 26 includes a front support plate 27 and a rear support plate 28, the front support plate 27 is fixed on the support shaft 21, and the rear support plate 28 is fixed between the left connecting plate 22 and the right connecting plate 23.
The rear swing arm 4 comprises a rear straight section 29 connected with the rear wheel 5, an inclined section 30 which avoids the rear wheel 5 and is positioned at the front side of the rear wheel 5, and a front straight section 31 which is connected with the inclined section 30 and is hinged with the pivot shaft 12, so that an avoiding space is formed between the two front straight sections 31, and a foundation is provided for the design of a closed structure of the rear frame 2.
The working principle of the rollover and deflection preventing mechanism on the tricycle is explained as follows:
when the tricycle adopting the anti-side-turning and anti-deflection mechanism turns to the left, the deflection rod 3 rotates around the pivot shaft 20, the left rear wheel 5 rotates around the pivot shaft 12 along with the left rear rocker arm 4 to rise, and the right rear wheel 5 rotates around the pivot shaft 12 along with the right rear rocker arm 4 to fall; conversely, when the tricycle turns to the right, the right rear wheel 5 rotates around the pivot shaft 12 along with the right rear rocker arm 4 to rise, and the left rear wheel 5 rotates around the pivot shaft 12 along with the left rear rocker arm 4 to fall. In the process, the wheel shafts 6 of the two rear wheels 5 are always kept parallel, the side-tipping turning of the vehicle is ensured, the centrifugal force and the gravity of the tricycle and passengers are mutually offset, the three wheels of the tricycle are always in contact with the ground, the total grounding area of the tires is increased, and the side-tipping and side-slipping of the tricycle are effectively prevented.
The rollover and yaw preventing mechanism on the tricycle provided by the embodiment of the utility model is described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the utility model, and the description of the embodiment is only used for helping to understand the technical scheme disclosed by the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. The utility model provides a prevent mechanism that swings of turning on one's side on tricycle which characterized in that: the rear wheel swing mechanism comprises a rear frame pivoted with a main frame, a deflection swing rod and two rear rocker arms, wherein the deflection swing rod is parallel to a wheel shaft of a rear wheel arranged on the rear rocker arms, and two ends of the deflection swing rod are respectively connected with the two rear rocker arms through pivoting structures; the center of the eccentric swing rod is pivotally connected to the rear frame; and a shock absorber is arranged between the rear frame and the main frame.
2. The mechanism of claim 1, wherein the mechanism is adapted to prevent the tricycle from rolling over and yawing: the pivoting structure comprises a pull rod, a first rod end joint bearing arranged at the upper end of the pull rod and a second rod end joint bearing arranged at the lower end of the pull rod, the first rod end joint bearing is connected to the end part of the inclined swing rod, and the second rod end joint bearing is connected to the rear rocker arm.
3. The mechanism of claim 1 or 2 for preventing side tilting and yawing on a tricycle, wherein: the pivoting structure is connected to the front end of the rear rocker arm, the rear wheel is connected to the rear end of the rear rocker arm, and the rear rocker arm is connected to the rear frame through the pivoting shaft, so that the rear rocker arm can swing up and down around the pivoting shaft.
4. The mechanism of claim 1, wherein the mechanism is adapted to prevent the tricycle from rolling over and yawing: the rear frame is provided with an upper limiting block and a lower limiting block, and the upper limiting block and the lower limiting block are respectively positioned above and below the rear rocker arm.
5. The mechanism of claim 4, wherein the mechanism is adapted to prevent the tricycle from rolling over: the upper limiting block and the lower limiting block are consistent in structure and respectively comprise a fixed shaft and a buffer block sleeved on the fixed shaft, and the buffer block is opposite to the rear rocker arm.
6. The mechanism of claim 5, wherein the mechanism is adapted to prevent the tricycle from rolling over: the buffer block is made of polyurethane.
7. The mechanism of claim 1, wherein the mechanism is adapted to prevent the tricycle from rolling over and yawing: and a locking mechanism is further arranged between the rear frame and the rear rocker arm, and comprises a locking device fixed on the rear frame and a locking piece which is fixed on the rear rocker arm and correspondingly matched with the locking device.
8. The mechanism of claim 3, wherein the mechanism is adapted to prevent the tricycle from rolling over: the rear frame comprises a supporting shaft hinged with the main frame, and a left connecting plate and a right connecting plate which are arranged on the supporting shaft and are bilaterally symmetrical, the pivoting shaft is fixed on the left connecting plate and the right connecting plate, a left side plate and a right side plate are respectively arranged between the left end part and the right end part of the pivoting shaft, which are correspondingly matched with the supporting shaft, and the two rear rocker arms are respectively hinged at the position of the pivoting shaft between the left connecting plate and the left side plate and the position of the pivoting shaft between the right connecting plate and the right side plate.
9. The mechanism of claim 8, wherein the mechanism is adapted to prevent the tricycle from rolling over: the center of the eccentric swing rod is pivotally connected with the rear frame through a support, the support comprises a front support plate and a rear support plate, the front support plate is fixedly supported on a support shaft, and the rear support plate is fixedly arranged between the left connecting plate and the right connecting plate.
10. The mechanism of claim 1, wherein the mechanism is adapted to prevent the tricycle from rolling over and yawing: the rear rocker arm comprises a rear straight section connected with the rear wheel, an inclined section which avoids the rear wheel and is positioned at the front side of the rear wheel, and a front straight section which is connected with the inclined section and is hinged with the pivot shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121917115.9U CN216070323U (en) | 2021-08-16 | 2021-08-16 | Side-turning and deflection preventing mechanism on tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121917115.9U CN216070323U (en) | 2021-08-16 | 2021-08-16 | Side-turning and deflection preventing mechanism on tricycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216070323U true CN216070323U (en) | 2022-03-18 |
Family
ID=80669976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121917115.9U Active CN216070323U (en) | 2021-08-16 | 2021-08-16 | Side-turning and deflection preventing mechanism on tricycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216070323U (en) |
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2021
- 2021-08-16 CN CN202121917115.9U patent/CN216070323U/en active Active
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