CN2217559Y

CN2217559Y - Amusing children's bicycle without handle

Info

Publication number: CN2217559Y
Application number: CN 95204832
Authority: CN
Inventors: 王敬愚; 施友好
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-03-15
Filing date: 1995-03-15
Publication date: 1996-01-17
Anticipated expiration: 2005-03-15

Abstract

The utility model relates to an amusing children's bicycle without a handle. The main body of a bicycle frame is a skew vertical type steel tube which forms a triangle pyramid frame with the rear stays, the cross stay and the wheel shaft of a rear wheel. A bicycle seat is arranged on the upper end of the triangle pyramid frame, and the rear wheel is arranged on the lower rear part. A centre shaft foot pedal structure is arranged on the lower front end of the triangle pyramid frame. A hook-shaped front wheel support frame is extended forward from the centre shaft, and a versatile truckle structure is arranged on the front end of the front wheel support frame. The amusing children's bicycle without a handle adopts rear driving structure to make the bicycle body to advance or turn according to the balance of the body holding the versatile wheel which is arranged on the front end of the bicycle body. The riding mode and the turning control mode are unique, so the utility model is rich in attraction and entertainment.

Description

No handle entertaining child's bicycle

The utility model is a kind of no handle entertaining child's bicycle

In prior art, the bicycle of riding usefulness for the juvenile mainly is a two-wheeled cycle, and its structure has no difference with becoming person bicycle, and just size is smaller.Therefore, the juvenile rides this bicycle does not have fresh sensation and special interest.

The purpose of this utility model is the present situation at prior art, and a kind of no handle child's bicycle of structure uniqueness is provided, with the interest that increases child's bicycle and recreational.

Solution of the present utility model is as follows: this child's bicycle comprises vehicle frame, front-wheel, trailing wheel, vehicle seat and chain drive.Described vehicle frame comprises the upright fork and the horizontal fork of main body of vehicle frame, trailing wheel.Described chain drive is made up of axis pedal drive configuration, flywheel and chain.The key structure of this bicycle is: described main body of vehicle frame is an inclined steel pipe, and it and the upright fork of trailing wheel, horizontal fork and hind axle constitute a three-dimensional triangular-cone frame and extend upward the installation vehicle seat at the point of connection place that crosses on upright fork of the trailing wheel of described triangle conical frame and main body of vehicle frame top.Axis pedal drive configuration is installed at the point of connection place that crosses in horizontal fork of the trailing wheel of described triangle conical frame and main body of vehicle frame lower end, and extend one from here forward and collude the shape front-wheel support, and the front end at this front-wheel support is provided with universal little wheel construction, to form the no handle steering hardware of car body.Crossing with two of horizontal fork at the upright fork of the trailing wheel of described triangle conical frame is provided with described hind axle between the point of connection, trailing wheel and flywheel are installed on this hind axle, and described chain is installed on axis pedal structure and the flywheel, with the rear drive mechanism of formation car body

The utility model has adopted a kind of covert wheelbar-row type structure, and it holds the cardan wheel of car body front end by the balance of health, car is originally advanced or turns to.All be different from ordinary bicycle owing to ride and control the mode that turns to, therefore, it is attractive and recreational that it is rich in.Its preceence just is novel structure, uniqueness, interesting strong

Describe its structure in detail below in conjunction with embodiment.

Fig. 1, the integral structure scheme drawing of embodiment 1.

Fig. 2, the headstock part front elevation of embodiment 1.

Fig. 3, the integral structure scheme drawing of embodiment 2.

Referring to Fig. 1, main body of vehicle frame is an inclined steel pipe (1), and it and the upright fork of trailing wheel (2), horizontal fork (3) and hind axle constitute a described inclined steel pipe of three-dimensional triangular-cone frame (1) can adopt curved pipe, perpendicular bending tube or straight tube etc.The upper end plug-in mounting vehicle seat (4) of described triangle conical frame top steel pipe (1); Under splitting, pyrometric cone on the hind axle at rear portion trailing wheel (5) and flywheel are installed; The triangle conical frame lower front end connects axis pedal structure (8), and chain (7) is installed on the floral disc and rear flywheel of axis pedal structure, forms the rear drive mechanism of car body.Foot-operated pedal can make chain drive drive trailing wheel and rotate, thereby drive the car body ahead running.From axis (6) connect firmly described stretch out forward collude the shape front-wheel support, this front-wheel support is a two shaft bar (8); Described universal little wheel construction is referring to Fig. 2, it is by connecting firmly universal rotating shaft (9) at two shaft bar front ends, being sleeved on the Universal castor (10) in this universal rotating shaft, connect firmly at a pair of coaxial steamboat (11) of Universal castor front end and the limit spring (12) that is located between two shaft bars and the Universal castor and constitute again referring to Fig. 1, described limit spring one end is carried on the arm and is colluded on Universal castor (10), and an end colludes on the horizontal bar of two shaft bars (8) (13).It can limit the angle of cardan wheel left rotation and right rotation, and the setting that generally is limited in this limit spring about 180 ° also makes the rotation of cardan wheel be unlikely to too flexible, so that small children and beginner grasp.

Referring to Fig. 3, this is the version of another kind of universal steamboat, and its shape front-wheel support that colludes is the single pole support (14) that a front end is the T font, and two cardan wheels (16) are housed on the T of this single pole support font cross bar (15).The universal front-wheel of this kind rotates flexibly, and unrestricted, it is more bigger than the difficulty of riding of embodiment 1, and particularly teenager is more attractive to big children for this.

Can find out that by above-described embodiment this child's bicycle is compared with ordinary bicycle, phase The difficulty that should increase balance and turn to. It can temper children's health balance and control energy thus Power has also been brought fabulous interest. Simultaneously, also can find out, although increased balance and turned to To difficulty, but it steadily and security performance do not reduce by one of the formation that lands of its three-wheel Gusseted face stably, it has steady property to make car body itself. Simultaneously, before the universal steamboat conduct Wheel has also limited the speed of car body operation, and it is the principal element that guarantees safety. In addition, vehicle seat Slightly to leaning forward, make the reach of the person's of riding center of gravity, be unlikely in riding, to lose balance and swing back, also be Guarantee one of factor of safety. Therefore, the utility model is not only by increasing balance and turning to Difficulty brought fabulous interest, be also noted that simultaneously it steadily and security. The institute A comparatively ideal converter tools of children with it.

Claims

1, no handle entertaining child's bicycle, it comprises vehicle frame, front-wheel, trailing wheel, vehicle seat and chain drive; Described vehicle frame comprises the upright fork and the horizontal fork of main body of vehicle frame, trailing wheel; Described chain drive is made up of axis pedal drive configuration, flywheel and chain; It is characterized in that:

A, described main body of vehicle frame are inclined steel pipes, and it and the upright fork of trailing wheel, horizontal fork and hind axle constitute a three-dimensional triangular-cone frame;

B, extend upward the installation vehicle seat at the point of connection place that crosses on the upright fork of the trailing wheel of described triangle conical frame and main body of vehicle frame top;

C, axis pedal drive configuration is installed at the point of connection place that crosses of horizontal fork of the trailing wheel of described triangle conical frame and main body of vehicle frame lower end, and extend one from here forward and collude the shape front-wheel support, and the front end at this front-wheel support is provided with universal little wheel construction, to form the no handle steering hardware of car body;

D, crossing with two of horizontal fork at the upright fork of the trailing wheel of described triangle conical frame is provided with described hind axle between the point of connection, and trailing wheel and flywheel are installed on this hind axle, and described chain is installed on axis pedal structure and the flywheel, with the rear drive mechanism of formation car body.

2, child's bicycle as claimed in claim 1, it is characterized in that: the described shape front-wheel support that colludes is a two shaft bar (8), and described universal little wheel construction is by connecting firmly universal rotating shaft (9) at two shaft bar front ends, be sleeved on Universal castor (10) in this universal rotating shaft, connect firmly at a pair of coaxial steamboat (11) of Universal castor front end and the limit spring (12) that is located between two shaft bars and the Universal castor and constitute.

3, child's bicycle as claimed in claim 1 is characterized in that: the described shape front-wheel support that colludes is the single pole support (14) that a front end is the T font, and two cardan wheels (16) are housed on the T of this single pole support font cross bar (15).