Dual purpose child's bicycle

Abstract

The utility model discloses a dual -purpose children's bicycle, include: saddle support frame, rear wheel connecting frame, pedal frame, rear wheel connecting frame sets up in the lower side of saddle support frame, the pedal frame rotatablely set in the one end outside of rear wheel connecting frame below saddle support frame, pedal frame and rear wheel connecting frame are detachable connection, one side rear wheel connecting frame is equipped with pivot, first gear, second gear, third gear, fourth gear, fifth gear, first pulley, second pulley and conveyer belt, and the pedal frame is inserted in the pivot, and the first gear is equipped in the pivot outside, and the first gear is engaged with second gear, and second gear is engaged with third gear, and third gear is coaxially arranged with first pulley, and first pulley is connected with second pulley through conveyer belt, and second pulley is coaxially arranged with fourth gear, and fourth gear is engaged with fifth gear. The utility model discloses through the pedal frame of dismantling and easily switching the two modes of riding and sliding, satisfy the use demand of children of different age stages.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of children's bicycle, in particular to a dual-purpose children's bicycle. BACKGROUND

[0002] Children's bicycle is mainly used for children to ride, and power is generated through foot pedal frame to make the bicycle advance. It not only can exercise the balance ability and body coordination of children, but also can increase the outdoor activity time of children and promote healthy growth. However, the existing children's bicycle products cannot realize the switching between the two functions, and users often need to buy two different types of bicycles to meet different needs, which not only increases the economic burden, but also brings many inconveniences in storage and use. The existing children's bicycle often ignores the use needs of children of different ages in design, and lacks flexibility and adaptability.

[0003] In addition, the traditional children's bicycle usually relies on chain and sprocket for power transmission, and such structure not only has complex maintenance, but also has certain safety hazards, especially when children are playing, the chain is easy to pinch fingers. Therefore, the market urgently needs a dual-purpose children's bicycle which is safe and practical, and can meet the riding and entertainment needs of children of different ages. SUMMARY

[0004] The utility model solves the technical problem in prior art, and provides a dual-purpose children's bicycle.

[0005] To achieve the purpose, the utility model adopts the following technical scheme:

[0006] A dual-purpose children's bicycle, comprising: a saddle support frame, a rear wheel connecting frame, and a pedal frame.

[0007] The rear wheel connecting frame is arranged on both sides below the saddle support frame.

[0008] The pedal frame is rotatably arranged on the outer side of one end of the rear wheel connecting frame below the saddle support frame, and the pedal frame and the rear wheel connecting frame are detachably connected.

[0009] One of the rear wheel connecting frames is provided with a rotating shaft, a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a first pulley, a second pulley, and a conveyor belt. The pedal frame is inserted into the rotating shaft, the first gear is arranged outside the rotating shaft, the first gear is engaged with the second gear, the second gear is engaged with the third gear, the third gear is coaxially arranged with the first pulley, the first pulley is connected with the second pulley through the conveyor belt, the second pulley is coaxially arranged with the fourth gear, and the fourth gear is engaged with the fifth gear.

[0010] As preferred, the bicycle further comprises a handlebar, a front fork, a diagonal beam, a front wheel and a rear wheel, the handlebar is inserted into the top of the front fork, and the front wheel is rotatably arranged inside the end of the front fork;

[0011] One end of the diagonal beam is connected to the inside of the top of the front fork, and the other end is connected to the saddle support frame;

[0012] The rear wheel is rotatably arranged inside the end of the rear wheel connecting frame away from the saddle support frame.

[0013] As preferred, the fifth gear is connected to the middle disc of the rear wheel.

[0014] As preferred, the pedal frame comprises an insertion rod, one side of the insertion rod is provided with a pressing groove, the pressing groove is outwardly connected with a long groove, a button capable of reciprocating is arranged in the pressing groove, a limiting plate is arranged inside the button, and a limiting protrusion is arranged at one end of the limiting plate extending to the outside of the button.

[0015] A limiting hole is arranged on the rotating shaft, the limiting hole corresponds to the position of the long groove, and the limiting protrusion can enter and exit the limiting hole.

[0016] As preferred, the bicycle further comprises a saddle, and the saddle is inserted into the inside of the saddle support frame.

[0017] As preferred, the bicycle further comprises a hand pushing rod, the hand pushing rod is obliquely inserted into the rear end of the saddle support frame, and the hand pushing rod is telescopic.

[0018] As preferred, a positioning sliding block is arranged below the end of the rear wheel connecting frame away from the saddle support frame.

[0019] As preferred, the bicycle further comprises an auxiliary wheel frame, and the top of the auxiliary wheel frame is provided with a positioning sliding groove, and the positioning sliding block is slidably arranged in the positioning sliding groove.

[0020] As preferred, the bicycle further comprises a supporting foot, and the top of the supporting foot is provided with a positioning sliding groove, and the positioning sliding block is slidably arranged in the positioning sliding groove.

[0021] The utility model discloses the beneficial effects of:

[0022] (1) multiple functions: the utility model discloses the design of the pedal frame is disassembled, realizes the function integration of children's bicycle and scooter, when not using the pedal frame, children can slide through the body gravity control and leg ground pushing, meet the use demand of children of different ages, increase the flexibility and adaptability of the toy car.

[0023] (2) Safety performance is improved: the transmission mode of gears and conveyor belts is adopted, the risk of finger injury caused by chains is effectively avoided, and the safety of use is improved.

[0024] (3) Maintenance is simple and the structure is stable: compared with the chain transmission system, the maintenance of gears and conveyor belts is simpler, the maintenance burden of parents is reduced, and the service life of the toy car is also prolonged. Meanwhile, the connection between various components is more stable, ensuring the safety of children during riding.

[0025] (4) Easy to operate: the detachable and rotatable connection between the pedal frame and the rear wheel connecting frame allows children to easily switch between riding and sliding modes. Meanwhile, the design of the hand push rod also facilitates parents to push the bicycle when needed.

[0026] (5) Strong adaptability: the positioning sliding block arranged below the rear wheel connecting frame, and the cooperation with the positioning sliding groove on the auxiliary wheel frame and the supporting leg, make the utility model can be adjusted according to different use scenes and needs, enhance its practicability. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to facilitate the description, the utility model is described in detail by the following specific implementation and drawings.

[0028] Figure 1 It is the overall structure schematic diagram of the embodiment;

[0029] Figure 2 It is the rear wheel support internal structure schematic diagram of the embodiment;

[0030] Figure 3 It is the pedal frame position schematic diagram of the embodiment;

[0031] Figure 4 It is the pedal frame internal structure schematic diagram of the embodiment;

[0032] Figure 5 It is the auxiliary wheel frame structure schematic diagram of the embodiment;

[0033] Figure 6 It is the supporting leg structure schematic diagram of the embodiment.

[0034] In the drawing:

[0035] 1-Saddle support frame; 2-Rear wheel connecting frame; 201-Positioning slider; 3-Foot pedal frame; 301-Plug-in rod; 3011-Pressing groove; 3012-Long groove; 302-Button; 303-Limiting plate; 3031-Limiting protrusion; 4-Handlebar; 5-Front fork frame; 6-Diagonal beam; 7-Front wheel; 8-Rear wheel; 9-Saddle; 10-Push rod; 11-Auxiliary wheel frame; 12-Support foot; 13-Positioning groove; 14-Shaft; 1401-Limiting hole; 15-First gear; 16-Second gear; 17-Third gear; 18-Fourth gear; 19-Fifth gear; 20-First pulley; 21-Second pulley; 22-Conveyor belt. Detailed Implementation

[0036] The following are specific embodiments of the present invention described in conjunction with the accompanying drawings, further illustrating the technical solution of the present invention. However, the present invention is not limited to these embodiments. Specific details such as particular configurations and components are provided in the following description merely to aid in a comprehensive understanding of the embodiments of the present invention. Therefore, those skilled in the art should understand that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present invention. Furthermore, for clarity and brevity, descriptions of known functions and structures have been omitted.

[0037] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0038] like Figure 1 As shown, this embodiment provides a dual-purpose children's bicycle, including a saddle support frame 1, a rear wheel connecting frame 2, a pedal frame 3, a handlebar 4, a front fork frame 5, a diagonal beam 6, a front wheel 7, a rear wheel 8, a saddle 9, a push rod 10, an auxiliary wheel frame 11, and a support foot 12.

[0039] The bicycle features a saddle support frame 1 for mounting and supporting the saddle 9, and a rear wheel connector 2 located on both sides below the saddle support frame 1 for connecting and supporting the rear wheel 8. A handlebar 4 is inserted into the top of the front fork 5, and the front wheel 7 is rotatably mounted on the inner side of the end of the front fork 5. One end of the diagonal beam 6 is connected to the inner side of the top of the front fork 5, and the other end is connected to the saddle support frame 1. The rear wheel 8 is rotatably mounted on the inner side of the end of the rear wheel connector 5 furthest from the saddle support frame 1. The saddle 9 is inserted into the saddle support frame 1, and its height can be adjusted or different sizes of saddle 9 can be replaced as needed. A push rod 10 is tilted and inserted into the rear end of the saddle support frame 1, and can be extended and retracted for easy pushing by parents when needed.

[0040] The pedal rack 3 is rotatably mounted on the outer side of the rear wheel connecting frame 2 located below the saddle support frame 1, so that the child can generate power by pedaling the pedal rack 3 while riding; in particular, the pedal rack 3 and the rear wheel connecting frame 2 are detachably connected. When the pedal rack 3 is removed, the bicycle mode is switched to the gliding mode to avoid interference from the pedal rack when gliding.

[0041] Furthermore, in order to optimize the power transmission structure, such as Figure 2 As shown, the rear wheel connecting frame 2 on one side is equipped with a rotating shaft 14, a first gear 15, a second gear 16, a third gear 17, a fourth gear 18, a fifth gear 19, a first pulley 20, a second pulley 21, and a conveyor belt 22. The pedal frame 3 is inserted into the rotating shaft 14 and, through the interaction of a series of gears and pulleys, transmits the power generated by the pedals to the rear wheel 8. Specifically, when the pedal frame 3 rotates, it drives the rotating shaft 14 and the first gear 15 to rotate. The first gear 15 then drives the second gear 16 to rotate, and the second gear 16 drives the third gear 17 to rotate. The third gear 17 is coaxially arranged with the first pulley 20, so the first pulley 20 also rotates. The first pulley 20 is connected to the second pulley 21 through the conveyor belt 22, thereby driving the second pulley 21 to rotate. The second pulley 21 is coaxially arranged with the fourth gear 18, so the fourth gear 18 will also rotate, and eventually drive the fifth gear 19, which is connected to the central disc of the rear wheel 8, to rotate, thereby realizing the transmission of power, causing the rear wheel 8 to rotate, and thus enabling the bicycle to move forward.

[0042] like Figure 3 and Figure 4 As shown, the pedal frame 3 includes a connecting rod 301, with a pressing groove 3011 on one side. A long groove 3012 connects outward from the pressing groove 3011. A reciprocating button 302 is located within the pressing groove 3011. A limiting plate 303 is located inside the button 302, and a limiting protrusion 3031 extends from the end of the limiting plate 303 to the outside of the button 302. Simultaneously, a limiting hole 1401 is provided on the rotating shaft 14, corresponding to the position of the long groove 3012, allowing the limiting protrusion 3031 to enter and exit the limiting hole 1401. This design not only facilitates the installation and removal of the pedal frame 3 but also ensures the stability of the pedal frame 3 during riding.

[0043] In addition, such as Figure 5 and Figure 6As shown, the rear wheel connecting frame 2 is provided with a positioning sliding block 201 below the end away from the saddle support frame 1; this design can be used in cooperation with the auxiliary wheel frame 11 or the supporting leg 12. The auxiliary wheel frame 11 is provided with a positioning sliding groove 13 at the top, and the positioning sliding block 201 can be slidably installed in the positioning sliding groove 13, so that the auxiliary wheel can be conveniently installed or removed when needed. Similarly, the supporting leg 12 is also provided with a positioning sliding groove 13 at the top, and the positioning sliding block 201 can be slidably installed in the positioning sliding groove 13, thereby providing stable parking support for the bicycle.

[0044] In summary, the dual-purpose children's bicycle has the advantages of compact structure, ingenious design, rich functions, and strong practicability, and can easily switch between riding and sliding modes by disassembling the pedal frame, thereby meeting the use requirements of children of different ages. Meanwhile, the power transmission structure and accessory design are optimized, thereby further improving the safety and stability of the bicycle.

[0045] It should be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and it should be further understood that the terms "comprise" and / or "include" as used in the specification indicate the presence of the features, steps, operations, devices, components and / or combinations thereof.

[0046] In the description of the present application, it should be understood that the terms "upper", "lower", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0047] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

Claims

1. A dual purpose child's bicycle characterized by, Include: Saddle support frame (1), rear wheel connecting frame (2), pedal frame (3); The rear wheel connecting frame (2) is arranged below the two sides of the saddle support frame (1); The pedal frame (3) is rotatably arranged outside one end of the rear wheel connecting frame (2) below the saddle support frame (1); The pedal frame (3) and the rear wheel connecting frame (2) are detachably connected; One of the rear wheel connecting frames (2) is provided with a rotating shaft (14), a first gear (15), a second gear (16), a third gear (17), a fourth gear (18), a fifth gear (19), a first pulley (20), a second pulley (21) and a conveyor belt (22), the pedal frame (3) is inserted into the rotating shaft (14), the rotating shaft (14) is provided with a first gear (15) outside, the first gear (15) is engaged with the second gear (16), the second gear (16) is engaged with the third gear (17), the third gear (17) is coaxially arranged with the first pulley (20), the first pulley (20) is connected with the second pulley (21) through the conveyor belt (22), the second pulley (21) is coaxially arranged with the fourth gear (18), the fourth gear (18) is engaged with the fifth gear (19).

2. A dual purpose child's bicycle as claimed in claim 1 wherein, Also including handlebar rod (4), front fork frame (5), diagonal beam (6), front wheel (7) and rear wheel (8), the handlebar rod (4) is inserted into the top of the front fork frame (5), the front wheel (7) is rotatably arranged inside the end of the front fork frame (5); One end of the diagonal beam (6) is connected with the inside of the top of the front fork frame (5), the other end is connected with the saddle support frame (1); The rear wheel (8) is rotatably arranged inside the end of the rear wheel connecting frame (2) away from the saddle support frame (1).

3. A dual purpose child's bicycle as claimed in claim 2, characterised in that, The fifth gear (19) is connected with the middle disc of the rear wheel (8).

4. A dual purpose child's bicycle as defined in claim 1, characterized in that The pedal frame (3) includes an insertion rod (301), one side of the insertion rod (301) is provided with a pressing groove (3011), the pressing groove (3011) is outwardly connected with a long groove (3012), the pressing groove (3011) is provided with a reciprocating button (302), the inside of the button (302) is provided with a limiting plate (303), one end of the limiting plate (303) extending to the outside of the button (302) is provided with a limiting protrusion (3031); The rotating shaft (14) is provided with a limiting hole (1401), the limiting hole (1401) corresponds to the position of the long groove (3012), and the limiting protrusion (3031) can enter and exit the limiting hole (1401).

5. A dual purpose child bicycle as defined in claim 1, characterized in that Also including saddle (9), the saddle (9) is inserted into the inside of the saddle support frame (1).

6. A dual purpose child bicycle as defined in claim 1, characterized in that Also including hand push rod (10), the hand push rod (10) is obliquely inserted into the rear end of the saddle support frame (1), and the hand push rod (10) can be telescopic.

7. A dual purpose child bicycle as defined in claim 1, characterized in that The end of the rear wheel connecting frame (2) away from the saddle support frame (1) is provided with a positioning sliding block (201).

8. A dual purpose child's bicycle as claimed in claim 7, characterised in that, Also including auxiliary wheel frame (11), the auxiliary wheel frame (11) is provided with a positioning sliding groove (13) at the top, and the positioning sliding block (201) can be slidably installed in the positioning sliding groove (13).

9. A dual purpose child's bicycle as defined in claim 7, characterized in that It also comprises a supporting leg (12) provided with a positioning sliding groove (13) at the top, and the positioning sliding block (201) is slidably installed in the positioning sliding groove (13).

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