Multifunctional child tricycle
By using a rotating fork and frame structure and a multi-position pedal assembly, the problems of inconvenient installation and limited functionality of existing children's tricycles have been solved, resulting in a convenient and multifunctional children's tricycle design.
Patent Information
- Application Number
- CN202422758553.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-11-13
AI Technical Summary
The existing installation structure between the front fork and the frame of children's tricycles is inconvenient and difficult to repair or replace, and the foot pedal components have limited functionality.
The front fork and frame structure are rotated and installed, and the front fork is easy to install and maintain through the cooperation of the limiting part and the arc-shaped limiting groove; the front fork is equipped with a horn, headlight and multi-position foot pedal assembly to increase functionality; the locking device makes it easy to change gears.
It enables convenient installation and maintenance of the front fork and frame, facilitates easy replacement, increases the functionality of the front fork and the multi-position adaptability of the pedals, and improves the user experience.
Smart Images

Figure CN223546400U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of children's tricycle technology, and in particular to a multifunctional children's tricycle. Background Technology
[0002] When taking children out, people are used to using a children's tricycle. This is more convenient, avoids carrying the child in their arms for extended periods, and prevents the child from running around freely. Existing children's tricycles use a movable insert structure between the front fork and the frame. Specifically, a sleeve is installed at the front of the frame, through which the front fork passes and can rotate relative to it. This structure is inconvenient to assemble and requires maintenance and replacement later. Furthermore, the foot pedal assembly has limited functionality and significant limitations. Summary of the Invention
[0003] The technical problem to be solved by this utility model is to provide a multi-functional children's tricycle, which is easy to install between the front fork and the frame, and facilitates later maintenance and replacement.
[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: a multi-functional children's tricycle is provided, including a frame, a front wheel assembly rotatably mounted at the front end of the frame, a rear wheel rotatably mounted at the rear end of the frame, and a seat and push rod mounted on the frame. The front wheel assembly includes a front fork, a front wheel, and a handlebar. The front fork is rotatably mounted at the front end of the frame. The front wheel and a foot pedal assembly for controlling the front wheel are mounted on the lower part of the front fork. The handlebar for controlling the steering of the front wheel is mounted on the front fork. An arc-shaped cavity is formed in the middle of the rear side of the front fork. An adapter seat is mounted on the upper and lower sides of the arc-shaped cavity on the rear side of the front fork. A steering cylinder is mounted at the front end of the frame. The steering cylinder is inserted between the two adapter seats and a pin is vertically inserted. A limit nut is screwed onto one end of the pin. An arc-shaped limit groove is formed at the front end of the steering cylinder. A limit part that inserts into the arc-shaped limit groove is provided on the inner wall of the arc-shaped cavity.
[0005] As a supplement to the technical solution described in this utility model, a headlight and a control switch are provided at the front end of the upper part of the front fork, and a horn, a battery and a circuit board are installed inside the upper part of the front fork. The circuit board is connected to the horn, the battery and the headlight and the control switch respectively.
[0006] As a supplement to the technical solution described in this utility model, a cavity for accommodating the battery is provided on the rear side of the front fork. The opening of the cavity is sealed by a battery rear cover, and the battery rear cover is fixed to the rear side of the front fork with fasteners.
[0007] As a supplement to the technical solution described in this utility model, a canopy covering the seats is also installed on the vehicle frame.
[0008] As a supplement to the technical solution described in this utility model, the front wheel is provided with a pivot shaft in the middle that is rotatably connected to the front fork. Both ends of the pivot shaft are provided with an insertion hole in the axial direction. The insertion hole is provided with a first docking part. The foot pedal assembly includes a foot pedal and a rocker arm. One end of the rocker arm is equipped with a foot pedal, and the other end of the rocker arm is inserted into the insertion hole and is provided with a second docking part that cooperates with the first docking part. Two limiting grooves are provided side by side on the side of the other end of the rocker arm near the second docking part. A locking device is installed in both ends of the lower part of the front fork. One end of the locking device is selected to engage with one of the limiting grooves.
[0009] As a supplement to the technical solution described in this utility model, the locking device includes a limiting plate, a button, and an elastic element. The lower ends of the front fork are each equipped with a limiting plate, a button for driving the limiting plate to slide up and down, and an elastic element for assisting the limiting plate to reset. The limiting plate has a circular through hole for the rocker arm to pass through, and the circular through hole is selected to engage with one of the limiting slots.
[0010] As a supplement to the technical solution described in this utility model, a support is installed on the lower side of the middle part of the frame, and mounting holes for cooperating with the rocker arm are opened on both sides of the support.
[0011] Beneficial effects: This utility model relates to a multifunctional children's tricycle, which has the following advantages:
[0012] 1. During installation, insert the steering cylinder into the arc-shaped cavity, and insert the limiting part on the inner wall of the arc-shaped cavity into the arc-shaped limiting groove. The front fork can rotate within a certain range by the cooperation of the limiting part and the arc-shaped limiting groove. At the same time, the hole of the steering cylinder is aligned with the hole of the adapter and the shaft pin is inserted. One end of the shaft pin is screwed with the limiting nut. The installation is very convenient and convenient for later maintenance and replacement.
[0013] 2. The front fork is equipped with a horn and a headlight. The headlight is used for illumination, and the horn is used for playing music, providing multiple functions.
[0014] 3. The foot pedal assembly has two positions during installation. One is the engagement position, in which the foot pedal can be rotated by the rocker arm to drive the shaft and the front wheel to rotate together. The other is the neutral position, in which the foot pedal cannot be rotated by the rocker arm to drive the shaft and the front wheel to rotate together. This multi-position structure can adapt to different needs.
[0015] 4. The locking device is easy to operate. When you need to change gears, press the button with your hand to disengage the circular perforation on the limit plate from the limit groove. Move the rocker arm to align the circular perforation on the limit plate with another limit groove. Release the button, and the limit plate will reset by the elastic element, so that the circular perforation on the limit plate will engage with another limit groove. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model;
[0017] Figure 2 This is a cross-sectional view of the present invention;
[0018] Figure 3 This is a schematic diagram of the front fork described in this utility model;
[0019] Figure 4 This is a schematic diagram of the structure of this utility model after the front fork has been removed;
[0020] Figure 5 This is a cross-sectional view of the front fork described in this utility model;
[0021] Figure 6 This is a schematic diagram of the foot pedal assembly described in this utility model;
[0022] Figure 7 This is a schematic diagram of the locking device of this utility model after the elastic element has been removed.
[0023] Illustration: 1. Frame, 2. Front fork, 3. Front wheel, 4. Foot pedal assembly, 5. Seat, 6. Push rod, 7. Canopy, 8. Rear wheel, 9. Headlight, 10. Handlebar, 11. Control switch, 12. Battery cover, 13. Adapter, 14. Arc-shaped cavity, 15. Limiting part, 16. Steering cylinder, 17. Arc-shaped limiting groove, 18. Support, 19. Mounting hole, 20. Horn, 21. Circuit board, 22. Battery, 23. Shaft, 24. Connecting part one, 25. Limiting plate, 26. Button, 27. Elastic element, 28. Foot pedal, 29. Rocker arm, 30. Limiting groove, 31. Connecting part two, 32. Circular perforation. Detailed Implementation
[0024] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims.
[0025] The present invention relates to a multifunctional children's tricycle, such as... Figure 1-7As shown, the bicycle includes a frame 1, a front wheel assembly rotatably mounted at the front end of the frame 1, a rear wheel 8 rotatably mounted at the rear end of the frame 1, and a seat 5 and a push rod 6 mounted on the frame 1. The front wheel assembly includes a front fork 2, a front wheel 3, and a handlebar 10. The front fork 2 is rotatably mounted at the front end of the frame 1. The front wheel 3 and a foot pedal assembly 4 for controlling the front wheel 3 are mounted on the lower part of the front fork 2. The handlebar 10 for controlling the steering of the front wheel 3 is mounted on the front fork 2. An arc-shaped cavity 14 is formed in the middle of the rear side of the front fork 2. An adapter seat 13 is mounted on the upper and lower sides of the arc-shaped cavity 14 on the rear side of the front fork 2. A steering cylinder 16 is mounted at the front end of the frame 1. The steering cylinder 16 is inserted between the two adapter seats 13 and a pin is vertically inserted. A limit nut is screwed onto one end of the pin. An arc-shaped limit groove 17 is formed at the front end of the steering cylinder 16. A limit part 15 is provided on the inner wall of the arc-shaped cavity 14 and inserted into the arc-shaped limit groove 17.
[0026] During installation, the steering cylinder 16 is inserted into the arc-shaped cavity 14, and the limiting part 15 on the inner wall of the arc-shaped cavity 14 is inserted into the arc-shaped limiting groove 17. The front fork 2 can rotate within a certain range by the cooperation of the limiting part 15 and the arc-shaped limiting groove 17. At the same time, the hole of the steering cylinder 16 is aligned with the hole of the adapter 13 and the shaft pin is inserted. One end of the shaft pin is screwed with the limiting nut. The installation is very convenient and facilitates later maintenance and replacement.
[0027] The front fork 2 is equipped with a headlight 9 and a control switch 11 at the front end of its upper part. The upper part of the fork 2 is equipped with a horn 20, a battery 22 and a circuit board 21. The circuit board 21 is connected to the horn 20, the battery 22, the headlight 9 and the control switch 11 respectively. The control switch 11 can control the horn 20 and the headlight 9 at the same time. The headlight 9 is used for lighting and the horn 20 is used for playing music.
[0028] The front fork 2 has a cavity for accommodating the battery 22 on its rear side. The opening of the cavity is sealed by the battery rear cover 12. The battery rear cover 12 is fixed to the rear side of the front fork 2 with fasteners. The battery rear cover 12 is located on the rear side of the front fork 2, which can greatly improve the aesthetics.
[0029] The frame 1 is also equipped with a canopy 7 that covers the seat 5, which can block sunlight or rain.
[0030] The front wheel 3 has a pivot 23 in the middle that is rotatably connected to the front fork 2. Both ends of the pivot 23 have an axial insertion hole. The insertion hole has a first docking part 24. The foot pedal assembly 4 includes a foot pedal 28 and a rocker arm 29. The foot pedal 28 is installed at one end of the rocker arm 29. The other end of the rocker arm 29 is inserted into the insertion hole and has a second docking part 31 that cooperates with the first docking part 24. Two limiting grooves 30 are arranged side by side on the side of the other end of the rocker arm 29 near the second docking part 31. A locking device is installed in both ends of the lower part of the front fork 2. One end of the locking device is selected to engage with one of the limiting grooves 30.
[0031] Two limiting slots 30 are provided on the rocker arm 29. One end of the locking device is selected to engage with one of the limiting slots 30. One limiting slot 30 corresponds to the position where the second docking part 31 and the first docking part 24 are engaged. At this time, the end of the rocker arm 29 is limited and connected to the rotating shaft 23. The foot pedal 28 can drive the rotating shaft 23 and the front wheel 3 to rotate together by rotating the rocker arm 29. This is the engaged position. The other limiting slot 30 corresponds to the position where the second docking part 31 and the first docking part 24 are not engaged. At this time, the end of the rocker arm 29 is not limited and connected to the rotating shaft 23. The rocker arm 29 can rotate relative to the insertion hole 12 of the rotating shaft 23. The foot pedal 28 cannot drive the rotating shaft 23 and the front wheel 3 to rotate together by rotating the rocker arm 29. This is the neutral position.
[0032] The foot pedal assembly 4 of this utility model has two positions during installation. One is the engagement position, in which the foot pedal 28 can rotate together with the rotating shaft 23 and the front wheel 3 by rotating the rocker arm 29. The other is the neutral position, in which the foot pedal 28 cannot rotate together with the rotating shaft 23 and the front wheel 3 by rotating the rocker arm 29. This multi-position structure can adapt to different needs.
[0033] like Figure 5 and Figure 7 As shown, the locking device includes a limiting plate 25, a button 26, and an elastic element 27. The lower ends of the front fork 2 are each equipped with a limiting plate 25, a button 26 for driving the limiting plate 25 to slide up and down, and an elastic element 27 for assisting the limiting plate 25 in resetting. The limiting plate 25 has a circular through hole 32 for the rocker arm 29 to pass through. This circular through hole 32 is selectively engaged with one of the limiting slots 30. The locking device is easy to operate. When shifting gears, press the button 26 to disengage the circular through hole 32 on the limiting plate 25 from the limiting slot 30. Move the rocker arm 29 to align the circular through hole 32 on the limiting plate 25 with the other limiting slot 30. Release the button 26, and the limiting plate 25 resets using the elastic element 27, allowing the circular through hole 32 on the limiting plate 25 to engage with the other limiting slot 30.
[0034] A support 18 is installed on the lower side of the middle part of the frame 1. The support 18 has mounting holes 19 on both sides that cooperate with the rocker arm 29. The foot pedals 28 on both sides of the front wheel 3 can be removed. The rocker arm 29 of the foot pedal 28 can be inserted into the mounting holes 19 of the support 18, so that the foot pedal 28 can serve as a footrest for children to rest.
[0035] In the description of this utility model, it should be understood that the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner and outer contours of each component itself.
[0036] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.
[0037] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.
[0038] The above provides a detailed description of a multi-functional children's tricycle provided in this application. Specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.
Claims
1. A multi-functional children's tricycle, comprising a frame (1), a front wheel assembly rotatably mounted on the front end of the frame (1), a rear wheel (8) rotatably disposed on the rear end of the frame (1), and a seat (5) and a push rod (6) disposed on the frame (1), characterized in that: The front wheel assembly includes a front fork (2), a front wheel (3), and a handlebar (10). The front fork (2) is rotatably mounted on the front end of the frame (1). The front wheel (3) and a pedal assembly (4) for controlling the front wheel (3) are mounted on the lower part of the front fork (2). The handlebar (10) for controlling the steering of the front wheel (3) is mounted on the front fork (2). An arc-shaped cavity (14) is formed in the middle of the rear side of the front fork (2). The rear side of the front fork (2) is located in the arc-shaped cavity. (14) has an adapter seat (13) installed on both the upper and lower sides. The front end of the frame (1) is equipped with a steering cylinder (16). The steering cylinder (16) is inserted between the two adapter seats (13) and a shaft pin is inserted vertically. One end of the shaft pin is screwed with a limit nut. The front end of the steering cylinder (16) is provided with an arc-shaped limit groove (17). The inner wall of the arc-shaped cavity (14) is provided with a limit part (15) that is inserted into the arc-shaped limit groove (17).
2. The multifunctional children's tricycle according to claim 1, characterized in that: The front fork (2) is equipped with a headlight (9) and a control switch (11) at the front end of the upper part. The front fork (2) is equipped with a horn (20), a battery (22) and a circuit board (21). The circuit board (21) is connected to the horn (20), the battery (22), the headlight (9) and the control switch (11) respectively.
3. A multi-functional children's tricycle according to claim 2, characterized in that: The front fork (2) has a chamber for accommodating the battery (22) on its rear side. The opening of the chamber is sealed by the battery rear cover (12). The battery rear cover (12) is fixed to the rear side of the front fork (2) by fasteners.
4. A multi-functional children's tricycle according to claim 1, characterized in that: The frame (1) is also equipped with a canopy (7) that covers the seat (5).
5. A multi-functional children's tricycle according to claim 1, characterized in that: The front wheel (3) is provided with a pivot (23) in the middle that is rotatably connected to the front fork (2). Both ends of the pivot (23) are provided with an insertion hole in the axial direction. The insertion hole is provided with a first docking part (24). The foot pedal assembly (4) includes a foot pedal (28) and a rocker arm (29). One end of the rocker arm (29) is equipped with the foot pedal (28). The other end of the rocker arm (29) is inserted into the insertion hole and is provided with a second docking part (31) that cooperates with the first docking part (24). The other end of the rocker arm (29) is provided with two limiting grooves (30) arranged side by side on the side of the second docking part (31). Both ends of the lower part of the front fork (2) are provided with a locking device. One end of the locking device is selected to engage with one of the limiting grooves (30).
6. A multi-functional children's tricycle according to claim 5, characterized in that: The locking device includes a limiting plate (25), a button (26), and an elastic element (27). The lower ends of the fork (2) are equipped with a limiting plate (25), a button (26) for driving the limiting plate (25) to slide up and down, and an elastic element (27) for assisting the limiting plate (25) to reset. The limiting plate (25) has a circular through hole (32) for the rocker arm (29) to pass through. The circular through hole (32) is selected to be engaged with one of the limiting grooves (30).
7. A multi-functional children's tricycle according to claim 5, characterized in that: A support (18) is installed on the lower side of the middle part of the frame (1), and mounting holes (19) for cooperating with rocker arm (29) are provided on both sides of the support (18).