CN201049712Y

CN201049712Y - Multifunctional folding front three-wheel primary-secondary vehicle

Info

Publication number: CN201049712Y
Application number: CNU2007200633033U
Authority: CN
Inventors: 方振隆
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-05-21
Filing date: 2007-05-21
Publication date: 2008-04-23
Anticipated expiration: 2017-05-21

Abstract

A multi-function foldable three-wheel sharing vehicle belongs to a manpower tricycle. The utility model is mainly composed of two front wheels, a rear wheel and a crossbeam connected the front wheels and the rear wheel. The front end of the crossbeam is movably connected on the wheel shaft of the two front wheels; the rear end of the crossbeam is fixed on the rear wheel shaft; an infant seat whose length and width are retractable is arranged on the wheel shaft of the two front wheels; the rear backrest of the infant seat is connected with a spigot to control the direction; a small chain wheel and a driving seat are fixed on the wheel shaft of the rear wheel; the rear part of the crossbeam is provided with a bid chain wheel which is connected with the small chain wheel through a chain; two to three segments of telescopic beam bodies are arranged on the central part of the crossbeam. The length and width of the infant seat of the utility model are retractable and foldable; the length of the crossbeam is also retractable and foldable so that infants of different ages and body shapes can sit on the seat; meanwhile, the seat can also be used to load with travel goods or food. The utility model is convenient in carrying and storage and is suitable for parents to escort children to school and travel with kids, which is especially suitable for the elderly in travelling.

Description

First three takes turns the primary and secondary car multifunctional foldable

[technical field]

The utility model relates to a kind of manual tricycle, be specifically a kind of multifunctional foldable first three take turns the primary and secondary car.

[background technology]

As everyone knows, three-wheel vehicle and back three-wheel vehicle were two kinds before manual tricycle divided, and preceding three-wheel vehicle is to push away forward to move, back three-wheel be from after haul motion, all be to be used for shipment, generally be not used in and sit the people, can not sit child and pupil especially, its reason is the seat that special seat child and pupil are not set in the railway carriage, casing is big too, too heavy, inconvenient walking in the time of by bike takes up space again when depositing very much.Be used to sit child and pupil's device at present, it generally is the bamboo seat of simple braiding, or the bench that has only handrail and seat made of plastic, put on the thing plate after being separately fixed at the front-axle beam of bicycle or car, though simple in structure, not really safe, particularly be placed on the bench of putting behind the bicycle on the thing plate, because of the cyclist can't see the child's state that is sitting in after one's death, the tumble injury accident usually takes place because of the child is sleeping.

[summary of the invention]

For overcome existing before three-wheel vehicle can not sit child and pupil and the fixing very unsafe defective of child's seat of existing bicycle, the utility model provide a kind of multifunctional foldable first three take turns the primary and secondary car.Be mainly used in and pick the child or the pupil goes to school, finishes classes and leave school, sit the child when also can be used for travelling and put thing or have a rest when seat.

For solving its technical matters, the technical solution adopted in the utility model is: three-wheel vehicle includes and connects crossbeam between trailing wheel of two front-wheels and the front and back wheel before described in the utility model.Its feature is: 1. the upper fixed at two fronts wheel spindle has telescopic child's seat, wheel shaft upper fixed at trailing wheel has the bench of driving and minor sprocket, on the crossbeam that connects between the front and back wheel, be provided with hinge wheel, the both sides of hinge wheel axle respectively are provided with a stretcher, are connected by chain between the large and small sprocket wheel; 2. be provided with the telescopic beam body of 2～3 joints at the middle part of crossbeam.During driving, can be placed on the child on the seat before the car, the cyclist is sitting on the driving bench on the hind axle, holds the back backrest tap of front-wheel child seat, and in order to grasp direction, foot-treadle advances by three-wheel vehicle before chain and the big or small chain wheel drive.

The beneficial effects of the utility model are: 1. be located on the front wheel spindle of three-wheel vehicle owing to child's seat, not only can make spaciousness, solid to seat, it is comfortable that the child is seated, also be convenient to the cyclist and observe and look after the child, avoid the accident of meeting accident, can be convenient for carrying the child, strengthen again carrying child's safety.

2. support, the seat because of child's seat can stretch, and the child who makes seat can be fit to all ages and classes and build sits usefulness, can satisfy the fast needs of physical growth of children, and therefore stronger comformability is arranged.

3. owing to be provided with the beam body that 2～3 joints can stretch or compress in the middle of the crossbeam of the present utility model, take up space, not only can be placed in the boot of small passenger car, also can carry stair activity, and put at home, so it is easy to carry and store thereby reduce institute.

4. the utility model is of many uses, the child that not only can be used for picking all ages and classes and build goes to school, finishes classes and leave school, also the portability child comes along the other places travelling, can also be used for outer the going of the elderly travels, because of little, the lightweight preceding three-wheel vehicle of this volume can be ridden in the park, the tourism supplies of being with can be placed on child's seat or the bottom, and the rest that also can be seated, one-object-many-purposes have been tired out in trip.

[specific embodiment]

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a structural representation of the present utility model.

Among the figure: 1 tap, 2 stretchers, 3 drive bench, 4 trailing wheels, 5 minor sprockets, 6 chains, 7 hinge wheels, 8 fronts wheel spindle, 9 front-wheels, 10 toe boards, 11 chair framves, 12 seats, 13 handrails, 14 crossbeams.

[specific embodiment]

With reference to accompanying drawing: the utility model is provided with 9, one trailing wheels 4 of two front-wheels, Between the axletree of two front-wheels and hind axle, be connected with crossbeam 14, be fixed with the children at the wheel shaft 8 of two front-wheels The chair frame 11 of youngster's seat, the middle part of this chair frame is provided with seat 12, and the top of chair frame is provided with handrail 13, at chair The forward lower part of frame is provided with toe board 10, is provided with the tap 1 that can work as backrest at the chair frame rear, is used for driving The person grasps direction; On hind axle, also be connected with minor sprocket 5 and drive bench 3, be provided with at the rear portion of crossbeam Hinge wheel 7 respectively is provided with an orthogonal pedal 2 on the wheel shaft both sides of hinge wheel 7, greatly, little Be connected with chain 6 between the sprocket wheel, be used for driving and advance by front tricycle.

Claims

A multifunctional foldable first three take turns the primary and secondary car, comprise bonded assembly crossbeam between two front-wheels, trailing wheel and the front and back wheel, it is characterized in that: the upper fixed at two fronts wheel spindle has telescopic child's seat, wheel shaft upper fixed at trailing wheel has the bench of driving and minor sprocket, on the crossbeam that connects between the front and back wheel, be provided with hinge wheel, the both sides of hinge wheel axle respectively are provided with a stretcher, are connected by chain between the large and small sprocket wheel.
2. first three takes turns the primary and secondary car a kind of multifunctional foldable according to claim 1, it is characterized in that: be provided with the telescopic beam body of 2～3 joints at the middle part of crossbeam.