Anti-rollover device with locking mechanism
By designing an anti-rollover device with a locking mechanism and utilizing the cooperation of a plug-in column and a latch, the angle adjustment and locking of the balance wheel of a children's bicycle can be achieved, thus solving the anti-rollover problem of a children's bicycle during riding and improving the riding comfort and safety.
Patent Information
- Application Number
- CN202423104574.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-12-16
AI Technical Summary
The anti-rollover device of a children's bicycle is prone to falling off when riding, causing falls, and the existing technology cannot effectively solve this problem.
An anti-rollover device with a locking mechanism is designed. Through the cooperation of a plug-in column, a pin and a fixed bracket, the angle of the balance wheel can be adjusted and locked to ensure that the balance wheel is parallel to the tire, reducing the risk of rollover.
By adjusting the locking mechanism, the risk of rollover when children are riding is reduced, the riding comfort and sense of security are improved, and the psychological pressure caused by rollover is reduced.
Smart Images

Figure CN223408035U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bicycles, in particular to an anti-rollover device with a locking mechanism. Background Art
[0002] A children's bicycle is suitable for children aged 48 and older, using a rear-wheel drive mechanism. Its maximum saddle height is typically between 435mm and 635mm. Depending on the size, children's bicycles can be categorized into various sizes, including 12-inch, 14-inch, 16-inch, 18-inch, 20-inch, and 22-inch. Children's bicycles also come in various styles, with or without balance wheels (protective wheels). Therefore, the balance wheels need to be adjusted and locked. After children learn to ride, they can be retracted and locked to prevent them from falling while riding, potentially causing falls. Utility Model Content
[0003] The purpose of the utility model is to provide an anti-rollover device with a locking mechanism, which solves the problem of the anti-rollover device falling during riding by locking the anti-rollover device at different angles.
[0004] The utility model is realized through the following technical solutions:
[0005] The utility model is an anti-rollover device with a locking mechanism, comprising a connecting plate, a tire and an anti-rollover mechanism. A plug-in column is installed on one side of the connecting plate, four first plug-in holes are opened on the circumferential wall of the plug-in column, and a connecting hole is opened on the other side of the connecting plate.
[0006] Furthermore, a plurality of spokes are provided inside the outer tire, bearings are installed at the ends of the spokes, a connecting short rod is provided at one end of the bearing, the connecting short rod is installed inside the connecting hole, and the connecting short rod rotates on one side of the connecting plate through the connecting hole.
[0007] Furthermore, the anti-rollover mechanism includes a fixed bracket, the fixed bracket is provided with a mounting hole, the bottom end of the mounting hole is provided with an abutment hole, the top end of the fixed bracket is provided with a second plug hole, a pin is inserted into the second plug hole, the bottom end of the pin abuts against the inside of the abutment hole, a fixed short rod is provided at the bottom end of the fixed bracket, the circumferential wall of the fixed short rod is equipped with a balance wheel, and the plug column is installed in the inside of the mounting hole.
[0008] Furthermore, the diameter of the second plug hole is equal to the diameter of the first plug hole, and the end of the plug pin passes through the first plug hole and abuts against the inside of the abutting hole.
[0009] Furthermore, the spokes are cylindrical and made of hard material or iron.
[0010] Furthermore, the bearing is cylindrical and has a diameter larger than that of the spokes, and the bearing is made of a hard material or iron.
[0011] Furthermore, the connecting plate is square in shape, and one end of the connecting plate away from the plug-in column can be fixed to the bicycle frame.
[0012] The utility model has the following beneficial effects:
[0013] 1. Through the mutual cooperation of the fixed bracket, the balance wheel, the pin and the second plug-in hole, rotate the fixed bracket to make the bottom of the balance wheel parallel to the bottom of the tire, and then insert the end of the pin into the inside of the abutment hole, and its surface first passes through the second plug-in hole and then passes through the first plug-in hole. At this time, the top of the pin leaks out of the outside of the second plug-in hole. The first plug-in hole is set with four. When using the anti-rollover mechanism, the auxiliary angle of the balance wheel can be adjusted according to the age or height of the beginner. When learning to ride a bicycle, you can rotate the fixed bracket to parallel according to your own needs. At this time, the balance wheel is in a parallel state. Then, the end of the pin passes through the second plug-in hole and the first plug-in hole and is inserted into the inside of the abutment hole, thereby completing the adjustment of the anti-rollover mechanism. By locking the anti-rollover device, the psychological pressure caused by the risk of rollover can be reduced, so that the rider can enjoy the riding process more relaxedly and improve the overall comfort of riding.
[0014] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A schematic diagram of the structure connecting the connecting plate, tire, spokes, bearings and anti-rollover mechanism;
[0016] Figure 2 It is a structural diagram of the bearing and the connecting short rod;
[0017] Figure 3 It is a structural diagram of the anti-rollover mechanism;
[0018] Figure 4 Schematic diagram of the structure of the connecting plate.
[0019] In the figure: 1. Connecting plate; 101. Connecting column; 102. First connecting hole; 103. Connecting hole; 2. Outer tire; 3. Spoke; 4. Bearing; 401. Connecting short rod; 5. Anti-rollover mechanism; 501. Fixed bracket; 502. Mounting hole; 503. Second connecting hole; 504. Pin; 505. Abutment hole; 506. Fixed short rod; 507. Balance wheel. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] See also Figure 1-4 The utility model provides a technical solution: an anti-rollover device with a locking mechanism, comprising a connecting plate 1, a tire 2 and an anti-rollover mechanism 5, a plug-in column 101 is installed on one side of the connecting plate 1, four first plug-in holes 102 are opened on the circumferential wall of the plug-in column 101, and a connecting hole 103 is opened on the other side of the connecting plate 1.
[0022] Several spokes 3 are provided inside the outer tire 2, and bearings 4 are installed at the ends of the spokes 3. A connecting short rod 401 is provided at one end of the bearing 4. The connecting short rod 401 is installed inside the connecting hole 103, and the connecting short rod 401 rotates on one side of the connecting plate 1 through the connecting hole 103.
[0023] The anti-rollover mechanism 5 includes a fixed bracket 501, which is provided with a mounting hole 502, and an abutting hole 505 at the bottom of the mounting hole 502. A second plug hole 503 is provided at the top of the fixed bracket 501, and a latch 504 is inserted into the second plug hole 503. The bottom end of the latch 504 abuts against the inside of the abutting hole 505. A fixed short rod 506 is provided at the bottom end of the fixed bracket 501, and a balancing wheel 507 is matched with the circumferential wall of the fixed short rod 506. The plug-in column 101 is matched and installed in the inside of the mounting hole 502. When riding a bicycle, the child steps on the pedal, and then the outer tire 2 rotates, driving the spokes 3 to rotate, so that the bearing 4 drives the connecting short rod 401 to rotate inside the connecting hole 103. When the user is a beginner, at this time, the fixed bracket 501 is rotated to make the bottom of the balancing wheel 507 parallel to the bottom of the outer tire 2, and then The end of the pin 504 is inserted into the inside of the abutment hole 505, and its surface first passes through the second insertion hole 503 and then through the first insertion hole 102. At this time, the top of the pin 504 leaks out of the outside of the second insertion hole 503. The first insertion hole 102 is provided with four. When using the anti-rollover mechanism 5, the auxiliary angle of the balance wheel 507 can be adjusted according to the age or height of the beginner. When learning to ride a bicycle, the fixed bracket 501 can be rotated to parallel according to one's own needs. At this time, the balance wheel 507 is in a parallel state, and then the end of the pin 504 is inserted into the inside of the abutment hole 505 through the second insertion hole 503 and the first insertion hole 102, thereby completing the adjustment of the anti-rollover mechanism 5. By locking the anti-rollover device, the psychological pressure caused by the risk of rollover can be reduced, so that the rider can enjoy the riding process more relaxedly, thereby improving the overall comfort of riding.
[0024] The diameter of the second plug hole 503 is equal to that of the first plug hole 102 . The plug pin 504 passes through the first plug hole 102 and abuts against the inside of the abutting hole 505 at its end.
[0025] The spokes 3 are cylindrical and made of hard material or iron.
[0026] The bearing 4 is cylindrical and has a diameter larger than the spoke 3 . The bearing 4 is made of a hard material or iron.
[0027] The connecting plate 1 is square in shape, and one end of the connecting plate 1 away from the plug-in post 101 can be fixed to the bicycle frame.
[0028] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims
1. An anti-rollover device with a locking mechanism, characterized in that: The invention comprises a connecting plate (1), a tire (2) and an anti-rollover mechanism (5); a plug-in column (101) is installed on one side of the connecting plate (1); four first plug-in holes (102) are opened on the circumferential wall of the plug-in column (101); and a connecting hole (103) is opened on the other side of the connecting plate (1); A plurality of spokes (3) are provided inside the outer tire (2), bearings (4) are installed at the ends of the spokes (3), a connecting short rod (401) is provided at one end of the bearing (4), the connecting short rod (401) is installed inside the connecting hole (103), and the connecting short rod (401) rotates on one side of the connecting plate (1) through the connecting hole (103); The anti-rollover mechanism (5) includes a fixed bracket (501), the fixed bracket (501) is provided with a mounting hole (502), the bottom end of the mounting hole (502) is provided with an abutment hole (505), the top end of the fixed bracket (501) is provided with a second plug hole (503), the inside of the second plug hole (503) is plugged with a latch (504), the bottom end of the latch (504) abuts against the inside of the abutment hole (505), the bottom end of the fixed bracket (501) is provided with a fixed short rod (506), the circumferential wall of the fixed short rod (506) is matched with a balance wheel (507), and the plug column (101) is matched and installed inside the mounting hole (502).
2. The anti-rollover device with a locking mechanism according to claim 1, characterized in that: The diameter of the second plug hole (503) is equal to the diameter of the first plug hole (102), and the end of the plug pin (504) passes through the first plug hole (102) and abuts against the inside of the abutting hole (505).
3. The anti-rollover device with a locking mechanism according to claim 2, characterized in that: The spokes (3) are cylindrical, and the material of the spokes (3) is a hard material or iron.
4. The anti-rollover device with a locking mechanism according to claim 3, characterized in that: The bearing (4) is cylindrical and has a diameter larger than that of the spoke (3). The material of the bearing (4) is a hard material or iron.
5. The anti-rollover device with a locking mechanism according to claim 4, characterized in that: The connecting plate (1) is square in shape, and one end of the connecting plate (1) away from the plug-in column (101) can be fixed to the bicycle frame.