CN205707079U - A kind of concertina type child's bicycle - Google Patents

Abstract

This utility model belongs to technical field of bicycles, it is proposed that a kind of concertina type child's bicycle, including vehicle frame, vehicle frame front end is provided with handlebar, being provided above vehicle seat, lower section is provided with front vehicle wheel and rear wheel, and rear wheel is connected by chain and driving wheel, driving wheel both sides are provided with pedal, handlebar and vehicle seat are all arranged on vehicle frame by expansion link, and vehicle frame is flexible vehicle frame, on the hinged circumference being arranged on driving wheel of pedal, driving wheel is hollow structure, pedal Foldable pedal.By technique scheme, solve the problem that in prior art, the child's bicycle scope of application is little.

Description

A kind of concertina type child's bicycle

Technical field

This utility model belongs to technical field of bicycles, relates to the flexible of a kind of applied widely, folding convenient Type child's bicycle.

Background technology

Existing child's bicycle is designed according to height, the body weight of different age group child, thus makes The service life of virgin bicycle is the most limited.Through investigation, many heads of a family represent that bicycle does not also have breakage, but Have to eliminate because of child grows, cause the waste of resource, be not suitable with expanding economy.Therefore, Invent and a kind of adapt to multiple age child's demand, can to increase the bicycle in child's bicycle service life be very It is necessary.

Utility model content

The utility model proposes a kind of concertina type child's bicycle, solve prior art solves existing The problem that in technology, the child's bicycle scope of application is little.

The technical solution of the utility model is achieved in that

A kind of concertina type child's bicycle, including

Vehicle frame, vehicle frame front end is provided with handlebar, is provided above vehicle seat, and lower section is provided with front vehicle wheel and rear car Wheel, described rear wheel is connected by chain and driving wheel, and described driving wheel both sides are provided with pedal, described car Being all arranged on described vehicle frame by expansion link with described vehicle seat, described vehicle frame is flexible vehicle frame, described foot Pedaling on the hinged circumference being arranged on described driving wheel, described driving wheel is hollow structure, and described pedal is collapsible Pedal.

Further, described driving wheel is provided with limit buckle with the hinged place of described pedal.

Further, the car light being arranged on described vehicle frame front is also included.

Further, described front vehicle wheel and described rear wheel all include vehicle wheel frame, tire and backplate, described tire Being arranged on the outside of described vehicle wheel frame, described backplate is arranged on the both sides, inside of described vehicle wheel frame.

Further, described backplate is transparent plastic backplate.

Further, described vehicle frame front end is connected with the side of described front vehicle wheel, described vehicle frame rear end with described after The opposite side of wheel connects.

Further, described pedal includes that connecting rod, described connecting rod are collapsible connecting rod, and one end and described driving Wheel connects, and the other end is hinged with pedal by connector, and described connector is also equipped with limit buckle.

Further, the change pulley being arranged between described driving wheel and described rear wheel is also included.

Further, described change pulley is arranged on described frame interior.

Further, described vehicle frame is foldable chassis.

Use principle of the present utility model is:

When child is smaller when, the vehicle seat of bicycle can regulate to minimum point, and handlebar is adjusted to Low, vehicle frame is reduced to the shortest, and pedal can be reduced to, inside driving wheel circle, make bicycle possess cunning by folding The function of row, what pedal did not interfered with bicycle slides effect；Along with the change of child height, bicycle Handlebar and vehicle seat regulate height, vehicle frame regulation length at any time, and pedal pulls out, specifically, and handlebar and vehicle seat Expansion link be three gear regulatory functions, so, child just can experience the enjoyment of driving, and after folding Bicycle can help the head of a family preferably to save space.

This utility model has the beneficial effect that

1, by telescopic handlebar, vehicle seat, vehicle frame, folding pedal, can increase in this practicality from The scope of application of driving, increases the service life of bicycle, reduces waste.

2, more than driving wheel, pedal position limited location on the drive wheel can be made by the limit buckle of pedal hinged place With, when bicycle slides bicycle, pedal is folded in the inside of driving wheel；When bicycle is used as to ride Time, pedal is pulled out, and limits pedal position on the drive wheel by limit buckle, facilitate riding of bicycle OK.

3, when there is vehicle in front, during car light on the light-illuminating of vehicle to cycle frame, car light can be by Light reflection, reminds front vehicles, and eliminate danger source, increases the practicality of bicycle；Protecting of transparent plastic Injury when plate is possible to prevent child to be goed deep near wheel by hands caused child, increases the safety of bicycle.

4, vehicle frame front end is connected with the side of front vehicle wheel, and vehicle frame rear end is connected with the opposite side of rear wheel, so The materials that on the premise of not affecting intact stability, can save vehicle frame are set, thus alleviate bicycle The weight of vehicle frame, facilitates the use of bicycle；The set-up mode of Foldable pedal, can be easily by pedal Fold into inside driving wheel.

5, by the change pulley being arranged between driving wheel and rear wheel, making bicycle is three-step gear shift bicycle, The time of riding can be saved, reduce the number of turns of child's pedal, facilitate the use of bicycle；Rear drive sprocket and change Speed wheel is arranged at frame interior, makes bicycle more attractive in appearance, easily attracts interest of children, and can reduce Portion of air and water, to rear drive sprocket and the corrosion of change pulley, increase bicycle service life.

Accompanying drawing explanation

With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.

Fig. 1 is this utility model structural representation；

Fig. 2 is bicycle coasting status architecture schematic diagram in this utility model；

Fig. 3 is bicycle folded state schematic diagram in this utility model；

Fig. 4 is driving wheel structure schematic diagram in this utility model；

Fig. 5 is pedal structure schematic diagram in this utility model；

Fig. 6 is pedal side-looking structural representation in this utility model；

Fig. 7 is pedal folded state structural representation in this utility model；

In figure: 1-vehicle frame, 2-handlebar, 3-vehicle seat, 4-front vehicle wheel, 41-vehicle wheel frame, 42-tire, 43-backplate, 5-rear wheel, 6-driving wheel, 62-change pulley, 7-pedal, 71-connecting rod, 72-connector, 73-pedal, 8- Car light.

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical side in this utility model embodiment Case is clearly and completely described, it is clear that described embodiment is only that this utility model part is real Execute example rather than whole embodiments.Based on the embodiment in this utility model, ordinary skill people The every other embodiment that member is obtained under not making creative work premise, broadly falls into this utility model The scope of protection.

As shown in Fig. 1-Fig. 7, a kind of concertina type child's bicycle that the utility model proposes, including

Vehicle frame 1, vehicle frame 1 front end is provided with handlebar 2, is provided above vehicle seat 3, and lower section is provided with front vehicle wheel 4 and rear wheel 5, rear wheel 5 is connected by chain and driving wheel 6, and driving wheel 6 both sides are provided with pedal 7, It is characterized in that: handlebar 2 and vehicle seat 3 are all arranged on vehicle frame 1 by expansion link, vehicle frame 1 is retractable vehicle Frame 1, on the hinged circumference being arranged on driving wheel 6 of pedal 7, driving wheel 6 is hollow structure, and pedal 7 can be rolled over Folded pedal.

By telescopic vehicle frame 1, handlebar 2, vehicle seat 3, folding pedal 7, this practicality can be increased The scope of application of middle bicycle, increases the service life of bicycle, reduces waste.

Further, driving wheel 6 is provided with limit buckle (not shown) with the hinged place of pedal 7.

Driving wheel 6 can be limited to the pedal 7 position on driving wheel 6 with the limit buckle of pedal 7 hinged place Position effect, when bicycle slides bicycle, pedal 7 is folded in the inside of driving wheel 6；Work as bicycle When being used as to ride, pedal 7 is pulled out, and limits the pedal 7 position on driving wheel 6 by limit buckle, Facilitate riding of bicycle.

Further, the car light 8 being arranged on vehicle frame 1 front is also included.

Further, front vehicle wheel 4 and rear wheel 5 all include vehicle wheel frame 41, tire 42 and backplate 43, tire 42 outsides being arranged on vehicle wheel frame 41, backplate 43 is arranged on the both sides, inside of vehicle wheel frame 41.

Further, backplate 43 is transparent plastic backplate.

When there is vehicle in front, during car light 8 on the light-illuminating of vehicle to cycle frame 1, car light 8 Light reflection can be reminded front vehicles, eliminate danger source, increases the practicality of bicycle；Transparent plastic The injury that child caused when being possible to prevent child to be goed deep near wheel by hands of backplate 43, increase bicycle Safety.

Further, vehicle frame 1 front end is connected with the side of front vehicle wheel 4, and vehicle frame 1 rear end is another with rear wheel 5 Side connects.

Further, pedal 7 includes that connecting rod 71, connecting rod 71 are collapsible connecting rod, and one end is with driving wheel 6 even Connecing, the other end is hinged with pedal 73 by connector 72, and connector 72 is also equipped with limit buckle.

Vehicle frame 1 front end is connected with the side of front vehicle wheel 4, and vehicle frame 1 rear end is connected with the opposite side of rear wheel 5, Such setting can be on the premise of not affecting intact stability, the materials of saving vehicle frame 1, thus alleviates The weight of cycle frame 1, facilitates the use of bicycle；The set-up mode of Foldable pedal 7, Ke Yifang Just pedal 7 is folded into driving wheel 6 internal.

Further, the change pulley 62 being arranged between driving wheel 6 and rear wheel 5 is also included.

Further, change pulley 62 is arranged on vehicle frame 1 inside.

Further, vehicle frame 1 is foldable chassis.

By the change pulley 62 being arranged between driving wheel 6 and rear wheel 5, make bicycle be three-step gear shift from Driving, can save the time of riding, and reduces the number of turns of child's pedal, it is also possible to save chain space, convenient The use of bicycle；It is internal that change pulley 62 is arranged at vehicle frame 1, makes bicycle more attractive in appearance, easily attracts Interest of children, and portion of air and water can be reduced to rear drive sprocket and the corrosion of change pulley, increase voluntarily Car service life.

When child is smaller when, the vehicle seat 3 of bicycle can regulate to minimum point, and handlebar 2 regulates To minimum, vehicle frame 1 is reduced to the shortest, and pedal 7 can be reduced to, inside the circle of driving wheel 6, make by folding Bicycle is in sliding state, possesses the function slided, and what pedal 7 did not interfered with bicycle slides effect； Along with the change of child height, the handlebar 2 of bicycle and vehicle seat 3 regulate height at any time, and vehicle frame 1 regulation is long Spending, and pedal 7 pulls out, specifically, the expansion link of handlebar 2 and vehicle seat 3 is three gear regulatory functions, this Sample, child just can experience the enjoyment of driving；Pedal 7 is folded be reduced to inside the circle of driving wheel 6, Handlebar 2 and vehicle seat 3 are adjusted to minimum point, vehicle frame 1 folds, and the bicycle of folded state can help the head of a family Preferably save space.

These are only preferred embodiment of the present utility model, not in order to limit this utility model, all Within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all should wrap Within being contained in protection domain of the present utility model.

Claims (10)

1. a concertina type child's bicycle, including vehicle frame (1), vehicle frame (1) front end is provided with handlebar (2), it is provided above vehicle seat (3), lower section is provided with front vehicle wheel (4) and rear wheel (5), described rear wheel (5) is connected by chain and driving wheel (6), described driving wheel (6) both sides are provided with pedal (7), it is characterized in that: described handlebar (2) and described vehicle seat (3) are all arranged on described vehicle frame (1) by expansion link, described vehicle frame (1) is flexible vehicle frame, on the hinged circumference being arranged on described driving wheel (6) of described pedal (7), described driving wheel (6) is hollow structure, described pedal (7) Foldable pedal.

A kind of concertina type child's bicycle the most according to claim 1, it is characterised in that: described driving wheel (6) is provided with limit buckle with the hinged place of described pedal (7).

A kind of concertina type child's bicycle the most according to claim 1, it is characterised in that: also include the car light (8) being arranged on described vehicle frame (1) front.

A kind of concertina type child's bicycle the most according to claim 1, it is characterized in that: described front vehicle wheel (4) and described rear wheel (5) all include vehicle wheel frame (41), tire (42) and backplate (43), described tire (42) is arranged on the outside of described vehicle wheel frame (41), and described backplate (43) is arranged on the both sides, inside of described vehicle wheel frame (41).

A kind of concertina type child's bicycle the most according to claim 4, it is characterised in that: described backplate (43) is transparent plastic backplate.

A kind of concertina type child's bicycle the most according to claim 1, it is characterised in that: described vehicle frame (1) front end is connected with the side of described front vehicle wheel (4), and rear end is connected with the opposite side of described rear wheel (5).

A kind of concertina type child's bicycle the most according to claim 1, it is characterized in that: described pedal (7) includes connecting rod (71), described connecting rod (71) collapsible connecting rod, and one end is connected with described driving wheel (6), the other end is hinged with pedal (73) by connector (72), and described connector (72) is also equipped with limit buckle.

A kind of concertina type child's bicycle the most according to claim 1, it is characterised in that: also include the change pulley (62) being arranged between described driving wheel (6) and described rear wheel (5).

A kind of concertina type child's bicycle the most according to claim 8, it is characterised in that: it is internal that described change pulley (62) is arranged on described vehicle frame (1).

A kind of concertina type child's bicycle the most according to claim 1, it is characterised in that: described vehicle frame (1) is foldable chassis.