CN2658038Y

CN2658038Y - Children tricycle driven by two-hand

Info

Publication number: CN2658038Y
Application number: CN 03256207
Authority: CN
Inventors: 郑金松
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-07-28
Filing date: 2003-07-28
Publication date: 2004-11-24
Anticipated expiration: 2013-07-28

Abstract

A new type children tricycle driven by two-hand includes a tricycle frame, a sprocket wheel, a chain, a front wheel and two rear wheels, etc. wherein, the front wheel and the two rear wheels are respectively arranged at the front and the back of the tricycle frame; a seat is arranged on the tricycle frame. The main points of the tricycle are: two footplates are arranged at the two sides of the front wheel which can carry out turning; a pull rod which can rotate around the axle is arranged at the front of the tricycle frame; the upper part of the pull rod is connected with a gripe, and the lower part is connected with the one end of the chain; the chain gets across the sprocket wheel and connects firmly with a tension spring; the another end of the tension spring is fixed on the tricycle frame; a gearwheel, which is meshed with a pinion of a drive shaft, is arranged on a sprocket wheel axle. When the utility model is compared with the existing baby carriages, the children tricycle has the advantages that the structure is simple and the operation is convenient with a low cost. When in use, making use of two feet to control direction and the pull rod can be pulled forwards and backwards so as to carry out running and turning, therefore be benefit for children to improve the abilities such as coordination and ideation; in addition, because pulling the pull rod is similar with chest spreading sport, and thus be benefit for improving the vital capacity of youth and children; moreover, the interesting children tricycle integrates body-building, entertainments and intelligence improving.

Description

The novel children hand is pulled car

Affiliated technical field

It is a kind of by the manually driven child car that the utility model belongs to.

Background technology

Before this practicality was made, it was various to be suitable for the vehicle class that children ride, but mainly is to come drive wheels to travel with the pedal step, lacks children's interesting.

Summary of the invention

The purpose of this utility model provides a kind of simple in structure, easy to use, without any need for the energy and inflation, not only has been fit to children's exercise, but also can have pulled car as the hand of children's walking-replacing tool.

The purpose of this utility model is achieved through the following technical solutions: the novel children hand that comprises vehicle frame, handle, sprocket wheel and chain, front and back wheel etc. is pulled car, vehicle frame the place ahead is equipped with one and takes turns, the rear is a two-wheeled, vehicle frame is provided with a stool, and its structural feature is: the front-wheel both sides that can turn to are equipped with toe board, and the vehicle frame front portion is equipped with the tommy bar that can sway, tommy bar top links to each other with handle, bottom and chain one end join, and chain is affixed with an extension spring behind sprocket wheel, and the extension spring other end is positioned on the vehicle frame; Also be provided with a big gear wheel on the sprocket shaft, big gear wheel is meshed with miniature gears on the imput shaft.When travelling, be sitting in the driving people on the stool, hold handle, the bipod branch rests on the toe board, when when the health direction is pulled handle, the chain drive sprocket wheel rotation, sprocket wheel is through big gear wheel, miniature gears, imput shaft, drive two rear wheel movement at last, and reach the purpose of control direction of traffic with pin by front-wheel.When the power of pulling handle disappeared, extension spring resetted tommy bar, pulls handle once more vehicle is travelled continuously.

The utility model and has shifting chute and is provided with locations on the basic bar that the seat stool links to each other in the specific implementation, so that the front and back position of adjustment seat stool.

The utility model is compared with the child car of prior art, have simple in structure, easy to operate, advantage of low manufacturing cost.Children in use, utilize double-legged controlling party to, hand is pulled and is seesawed, and can travel and turn to, thereby improve the coordination ability and the thinking ability of children's hand and pin.In addition, the hand tommy bar is similar does chest expanding exercise, helps increasing children's lung capacity, and therefore, this car residence exercise is in pleasure, and body-building increases intelligence, and is interesting strong.

Description of drawings

Accompanying drawing is a perspective view of the present utility model.

The specific embodiment

The utility model is described in further detail by embodiment below in conjunction with accompanying drawing.

Sequence number is represented respectively among the figure: handle 1, tommy bar 2, vehicle frame 3, tommy bar axle 4, direction permanent seat 5, toe board 6, front-wheel 7, chain locating dowel pin 8, extension spring 9, chain 10, trailing wheel 11, imput shaft 12, sprocket shaft 13, big gear wheel 14, body 15 behind the vehicle frame, seat stool strut bar 16, seat stool base bar 17, seat stool 18, front fork 19.

Referring to accompanying drawing, tommy bar 2 is established through tommy bar axle 4 in vehicle frame 3 front portions, and tommy bar 2 is vertical shape, rotates before and after making it.The vehicle frame bar in tommy bar axle 4 the place aheads tilts and direction permanent seat 5 is integral, and direction permanent seat 5 lower ends are connected with front fork 19 through bearing seat and bearing, front fork 19 location front-wheels 7, and its both sides are provided with toe board 6.

Tommy bar 2 tops link to each other with handle 1, and bottom and chain 10 1 ends join, and chain 10 is affixed with extension spring 9 through sprocket wheel (be positioned at the back of big gear wheel 14, adopt bicycle freewheel) back, and extension spring 9 other ends are positioned at vehicle frame 3 belows.Big gear wheel 14 is meshed with miniature gears (among the figure draw in the end) on the imput shaft 12 that is connected two trailing wheels.The rear portion of vehicle frame 3 is " U " font, and imput shaft 12 and sprocket shaft 13 are located thereon big gear wheel 14 and sprocket coaxiality.

During concrete enforcement, have shifting chute and be provided with set screw on the seat stool base bar 17 that links to each other with seat stool 18, so that the front and back position of adjustment seat stool.

Front and back wheel can adopt the wheel of rubber plastic or other material; Large and small gear can adopt the Reinforced Nylon plastic production.

Claims

1. a novel children hand is pulled car, comprise vehicle frame (3), handle (1), sprocket wheel and chain (10), front and back wheel (7,11), vehicle frame (3) the place ahead is equipped with one and takes turns, the rear is a two-wheeled, vehicle frame (3) is provided with a stool (18), it is characterized in that: the front-wheel that can turn to (7) both sides are equipped with toe board (6), vehicle frame (3) front portion is equipped with can be around the tommy bar (2) of tommy bar axle (4) rotation, tommy bar (2) top links to each other with handle (1), bottom and chain (10) one ends join, and chain (10) is affixed with an extension spring (9) behind sprocket wheel, and extension spring (9) other end is positioned on the vehicle frame (3); Also be provided with a big gear wheel (14) on the sprocket shaft (13), big gear wheel (14) is meshed with miniature gears on the imput shaft (12).

2. a kind of novel children hand according to claim 1 is pulled car, it is characterized in that: with have shifting chute on the basic bar (17) that seat stool (18) links to each other, be provided with the locations of a stool (18).