Tricycle and split self-balancing mechanism thereof
By adopting a split self-balancing mechanism on the electric tricycle, the tilting force is transmitted through the bearing assembly to achieve turning balance and self-balancing, which solves the safety hazards of electric tricycles during riding due to road bumps and turning, improves comfort and safety, and reduces costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANJIN YADI NEW ENERGY TECHNOLOGY DEVELOPMENT CO LTD
- Filing Date
- 2025-09-30
- Publication Date
- 2026-07-24
Smart Images
Figure CN224546191U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of vehicle human-machine engineering technology, and in particular to a tricycle and its split self-balancing mechanism. Background Technology
[0002] With social development, improved living standards, and applications in various scenarios, electric tricycles have become an indispensable means of transportation. Currently, various businesses focus their research on the performance, quality, lifespan, and reputation of tricycles, but pay less attention to the safety hazards caused by road bumps during riding and rollovers when turning. Utility Model Content
[0003] In response to the shortcomings of the existing production technology, the applicant provides a tricycle and its split self-balancing mechanism, which can reduce vehicle bumps and increase riding comfort when the driver is riding, and can prevent the vehicle from overturning when turning, thus ensuring the safety of the rider.
[0004] The technical solution adopted in this application is as follows:
[0005] A split-type self-balancing mechanism includes a front fixed frame and a rear adjusting frame that are separate from each other, and a bearing assembly connects the front fixed frame and the rear adjusting frame.
[0006] The bearing assembly includes:
[0007] The bearing mounting frame is installed on the front mounting bracket.
[0008] The bearing connecting plate is mounted on the rear adjustment bracket.
[0009] The bearing body connects the bearing fixing frame and the bearing connecting plate.
[0010] The rear adjustment bracket receives the force generated by the vehicle tilting.
[0011] As a further improvement to the above technical solution:
[0012] The bearing fixing frame has bearing limiting blocks installed at both ends of the bearing body along its axial direction.
[0013] The bearing body is located in a horizontal plane.
[0014] The bearing assembly is connected to the midpoint of the front fixed frame and the midpoint of the rear adjusting frame.
[0015] The bearing connecting plates are symmetrically clamped on both sides of the bearing body.
[0016] A tricycle with a split self-balancing mechanism.
[0017] As a further improvement to the above technical solution:
[0018] The front fixing frame is securely connected to the frame of the tricycle and is coplanar with the bottom surface of the frame.
[0019] The rear adjustment bracket is installed directly above the rear axle of the tricycle.
[0020] Both ends of the rear adjustment frame rise upward from the rear wheel axle of the tricycle and converge at the bearing body mounting location.
[0021] The two ends of the rear adjustment frame are tightly locked to the rear wheel axle of the tricycle.
[0022] The beneficial effects of this application are as follows:
[0023] Compared with other adjustment structures, this application has four major technical advantages: practicality, flexibility, reliability, and low cost.
[0024] In terms of practicality, this application is based on the design of the company's existing sales models. Under the premise that the overall vehicle body structure remains unchanged, turning balance and overall vehicle self-balancing can be achieved by producing front and rear split structure flat forks.
[0025] In terms of flexibility, since this application is based on after-sales maintenance and easy assembly, each component is independently designed and no other components of the vehicle are modified, allowing for individual allocation of each component.
[0026] In terms of reliability, the structure of this application has undergone extensive theoretical and design analysis, with multiple versions designed from the outset. Through numerous structural analyses and detailed optimizations, the current relatively mature structure has been finalized. This structure has undergone small-batch trial installations and long-term road tests. Drivers do not need to worry about discomfort from bumpy roads during operation, and safety performance is significantly improved, reducing the likelihood of rollover. Furthermore, the road test conditions are stringent, far more demanding than everyday riding environments, thus ensuring the reliability of this application.
[0027] In terms of low cost, the tricycle split self-balancing mechanism described in this application adopts a mechanical structure, which significantly reduces costs compared to other electronic and hydraulic structures.
[0028] Development cost: During development, only the front and rear split structure flat fork needs to be manufactured, and other parts are universal, which greatly reduces development cost and development cycle, and saves more development cost while reducing development cycle.
[0029] Manufacturing costs: Manufacturers only need to manufacture the additional parts, while other parts are generic, reducing the manufacturer's production and inventory costs.
[0030] After-sales costs: Each component of this application is designed independently and used separately, which will not cause inconvenience during after-sales maintenance. Furthermore, since the components of this structure are used separately, they are easy to assemble and more convenient for after-sales service. Attached Figure Description
[0031] Figure 1 This is a schematic diagram of the overall vehicle structure of this application.
[0032] Figure 2 This is a schematic diagram of a self-balancing mechanism.
[0033] Figure 3 This is a schematic diagram of a self-balancing mechanism from another perspective.
[0034] Figure 4 This is a schematic diagram of the rear adjustment frame structure and bearing assembly of this application.
[0035] The components include: 1. Frame; 2. Rear axle; 3. Front fixed frame; 4. Rear adjustable frame; 5. Bearing assembly; 501. Bearing fixing frame; 502. Bearing connecting plate; 503. Bearing body; 504. Bearing limiting block. Detailed Implementation
[0036] The specific embodiments of this application are described below with reference to the accompanying drawings.
[0037] like Figures 1-4 As shown, the split self-balancing mechanism of this embodiment includes a front fixed frame 3 and a rear adjusting frame 4 that are separate from each other, and a bearing assembly 5 connecting the front fixed frame 3 and the rear adjusting frame 4.
[0038] Bearing assembly 5 includes:
[0039] The bearing mounting frame 501 is mounted on the front mounting bracket 3.
[0040] The bearing connecting plate 502 is installed on the rear adjusting bracket 4.
[0041] The bearing body 503 connects the bearing fixing frame 501 and the bearing connecting plate 502.
[0042] The rear adjustment frame 4 receives the force generated by the vehicle tilting.
[0043] Bearing retaining blocks 504 are respectively installed at both ends of the bearing body 503 in the bearing fixing frame 501.
[0044] The bearing body is located in the horizontal plane.
[0045] The bearing assembly 5 is connected to the midpoint of the front fixed bracket 3 and the midpoint of the rear adjusting bracket 4.
[0046] The bearing connecting plate 502 is symmetrically clamped on both sides of the bearing body 503.
[0047] The tricycle in this embodiment is equipped with the aforementioned split self-balancing mechanism.
[0048] The front fixing frame 3 is fastened to the frame 1 of the tricycle and is coplanar with the bottom surface of the frame 1.
[0049] The rear adjustment bracket 4 is installed directly above the rear wheel axle 2 of the tricycle.
[0050] Both ends of the rear adjustment bracket 4 are raised from the rear wheel axle 2 of the tricycle and converge at the bearing body 503 mounting location.
[0051] The two ends of the rear adjustment frame 4 are tightly bound to the rear wheel axle 2 of the tricycle.
[0052] The specific structure and working principle of this application are as follows:
[0053] This application applies to tricycles, adding a self-balancing mechanism to the tricycle. The self-balancing mechanism utilizes the front fixed frame 3 on the tricycle frame 1 and the rear wheel axle 2 of the tricycle as the mounting base. A bearing fixing frame 501 is installed on the front fixed frame 3, and bearing limiting blocks 504 are provided at both the front and rear ends of the bearing fixing frame 501. The bearing body extends from the bearing fixing frame 501 towards the rear of the vehicle.
[0054] The bearing body extends directly above the rear axle 2. A rear adjustment bracket 4 is installed on the rear axle 2. The rear adjustment bracket 4 has a trapezoidal structure, higher in the middle, with both ends extending at an angle towards the rear axle 2. The rear adjustment bracket 4 is tightly connected to the rear axle 2, which can be achieved using a clamp or a U-shaped metal rod. The bottom of the U-shape supports the rear axle 2, and the opening of the U-shape passes through the rear adjustment bracket 4 and is then securely locked, thus achieving the connection. The purpose is to ensure that the rear adjustment bracket 4 is always positioned directly above the rear axle 2.
[0055] A bearing connecting plate 502 is installed on the rear adjustment bracket 4 and clamped on both sides of the bearing body 503.
[0056] During assembly, first install the front mounting bracket 3, which is fixed to the tricycle frame 1 using locking screws. The front mounting bracket 3 and the lowest point of the frame 1 are coplanar.
[0057] Then, a bearing mounting frame 501 is installed on the front mounting bracket 3, and the bearing body 503 passes through the bearing mounting frame 501. Bearing limiting blocks 504 are installed along the axial direction of the bearing body 503, enclosing both ends of the bearing mounting frame 501. The bearing body 503 extends from the bearing mounting frame 501 to above the rear wheel axle 2. At this point, there is a vertical height difference between the bearing body 503 and the rear wheel axle 2, which is compensated by the subsequent rear adjusting bracket 4.
[0058] Finally, install the rear adjustment bracket 4. The rear adjustment bracket 4 is fixed to the bearing body through the bearing connecting plate 502, so that the rear adjustment bracket 4 is connected to the front fixed bracket 3 through the bearing body.
[0059] The cornering balance of a tricycle refers to the dynamic stability of the vehicle during cornering, which is not easy to overturn, through special design and operation; self-balancing refers to the fact that the vehicle can maintain stability without additional operation under specific conditions, such as when stationary or traveling in a straight line at low speed.
[0060] The front fixed frame 3 and the rear adjustable frame 4 in this application are separate structures, connected by a rotatable bearing. When the vehicle turns, one side of the wheel has a larger travel and the other side has a smaller travel. Due to centrifugal force, the wheel tends to tilt outwards from the turning arc, or the uneven road surface may cause one side of the wheel to lift. This difference in tilting force is transmitted to the bearing assembly 5 through the rear adjustable frame 4.
[0061] During the force transmission process, the bearing connecting plate 502 transmits the tilting force to the bearing body. The bearing body rotates slightly around its own axis. For example, when the vehicle body tilts to the left, the bearing body drives the rear adjustment frame 4 to twist to the right in the opposite direction, so that the right side of the rear wheel is in contact with the road surface, thus offsetting the tilting force on the left. When the vehicle body tilts to the right, the bearing body drives the rear adjustment frame 4 to twist to the left in the opposite direction, thus balancing the tilting force on the right.
[0062] Similarly, when the vehicle needs to maintain its self-balance, such as when the vehicle is parked, if the ground is uneven or the vehicle body is not straight, causing the vehicle body to tilt to one side, the bearing body will rotate to the lower side under the action of gravity because it is not restricted by the locking structure, thus driving the rear adjustment bracket 4 to calibrate to the side opposite to the tilt direction.
[0063] In one embodiment of this application, the limiting blocks on both sides of the bearing limit the maximum rotation range of the bearing body, for example, allowing only ±5° of rotation, to prevent the bearing from rotating excessively due to excessive turning speed or excessive tilting force, which could cause the rear wheel to deviate or roll over, thus ensuring that the adjustment range is within the safe threshold.
[0064] This application achieves vehicle self-balancing by utilizing the torsion of the rear adjustable frame 4, reducing the occurrence of vehicle rollover during cornering. Unlike the original fixed body structure, this application uses front and rear split horizontal forks, employing cornering balancing and self-balancing mechanisms. The split horizontal forks and self-balancing device significantly improve driving comfort on bumpy roads. Furthermore, the separate structure of the front fixed frame 3 and the rear adjustable frame 4 allows the bearing assembly 5 to undertake greater adjustment, optimizing the balance.
[0065] The above description is an explanation of this application and not a limitation thereof. The scope of this application is defined by the claims. Within the scope of protection of this application, any form of modification may be made.
Claims
1. A split-type self-balancing mechanism, characterized in that: It includes a front fixed frame (3) and a rear adjusting frame (4) that are separate from each other, and a bearing assembly (5) connects the front fixed frame (3) and the rear adjusting frame (4). The bearing assembly (5) includes: The bearing mounting frame (501) is mounted on the front mounting bracket (3). The bearing connecting plate (502) is installed on the rear adjusting bracket (4). The bearing body (503) connects the bearing fixing frame (501) and the bearing connecting plate (502). The rear adjustment bracket (4) receives the force generated by the vehicle tilting.
2. The split-type self-balancing mechanism as described in claim 1, characterized in that: The bearing fixing frame (501) has bearing limiting blocks (504) installed at both ends of the bearing body (503) in the axial direction.
3. The split-type self-balancing mechanism as described in claim 1, characterized in that: The bearing body (503) is located in the horizontal plane.
4. The split-type self-balancing mechanism as described in claim 1, characterized in that: The bearing assembly (5) is connected to the midpoint of the front fixed frame (3) and the midpoint of the rear adjusting frame (4).
5. The split-type self-balancing mechanism as described in claim 1, characterized in that: The bearing connecting plate (502) is symmetrically clamped on both sides of the bearing body (503).
6. A tricycle, characterized in that: It has a split self-balancing mechanism as described in any one of claims 1-5.
7. The tricycle as described in claim 6, characterized in that: The front fixing frame (3) is fastened to the frame (1) of the tricycle and is coplanar with the bottom surface of the frame (1).
8. The tricycle as described in claim 6, characterized in that: The rear adjustment bracket (4) is installed directly above the rear wheel axle (2) of the tricycle.
9. The tricycle as described in claim 8, characterized in that: Both ends of the rear adjustment frame (4) are raised from the rear wheel axle (2) of the tricycle and converge at the bearing body (503) mounting location.
10. The tricycle as described in claim 6, characterized in that: The two ends of the rear adjustment frame (4) are tightly bound to the rear wheel axle (2) of the tricycle.