CN2149339Y

CN2149339Y - Height-adjustable rear frame foot-rest for bicycle

Info

Publication number: CN2149339Y
Application number: CN 92236136
Authority: CN
Inventors: 张振鸿
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-10-04
Filing date: 1992-10-04
Publication date: 1993-12-15
Anticipated expiration: 2002-10-04

Abstract

The utility model provides a height-adjustable rear frame foot rest for bicycle. The foot rest is composed of a foot rest bracket fixed on the inclined bracket and the lower bracket of the rear axle of the tripod of the bicycle and provided with a lifting groove and foot rest board arranged on the lifting groove. The foot rest of the utility model has the advantages of simple structure, height-adjustable ability, convenient operation, etc., and is used for children sitting on the rear frame.

Description

Height-adjustable rear frame foot-rest for bicycle

The utility model belongs to the bicycle auxiliary device, and particularly a kind of adjustable for height bicycle tail frame is foot-operated.

As everyone knows, the tailstock of bicycle also usually is used for taking for child by people except that making shelf usefulness.Hang pin for children are not produced when taking, prevent to put in the wheel pin is damaged, at the rear axle two ends one stretcher is set usually.This method also is fit to bigger child, but for less children of age, because the pin weak point but is difficult to adapt to.For this reason, some people have to assist stretcher and be located on the seat of peripheral hardware, and this makes troubles to use again.

The purpose of this utility model is to overcome the problems referred to above, provide a kind of and be arranged on the bicycle, simple in structure, can adapt to a kind of adjustable for height bicycle pedal that children in different ages is used.

Above-mentioned task is achieved in that this stretcher includes a pedal support and a stretcher, the top and bottom of pedal support are respectively equipped with the upper grip and the lower chuck that can be clamped on bicycle tripod rear axle tilted supporter and the lower bracket, also have a lifting groove in the centre of pedal support, stretcher is fixed on the lifting groove of pedal support with the screw bolt and nut of its punching.

Below in conjunction with accompanying drawing structure of the present utility model is done into one description:

Fig. 1 is the oblique drawing of a kind of concrete structure of the utility model.

Fig. 2 is along the cutaway view of A-A line among Fig. 1.

Fig. 3 is the cutaway view of another embodiment of stretcher among Fig. 1 (4).

Shown in Fig. 1～2, have a lifting groove (3) in the middle of this pedal support (2), be furnished with upper grip (1) and lower chuck (7) respectively with the lower end in the top.The back side of stretcher (4) is provided with screw rod (5), with nut (6) it is fastened on the pedal support (2), and nut (6) is preferably selected fly nut for use, so that adjust setting height(from bottom).Stretcher (4) can cause structure as shown in Figure 3, form by carriage (8) and Active foot plate (9), Active foot plate (9) is connected and installed on the carriage (8) with the axis hole (11) of its minor axis (10) with carriage (8), there is a bending downward vertically can be close to spacing section (12) of carriage (8) in the rear end of Active foot plate (9), Active foot plate (9) can upwards be overturn, can only turn over downwards to level attitude, to be convenient to use.

During use, a pair of foot-operated is fixed on bicycle tripod rear axle tilted supporter and the lower bracket by upper and lower chuck (1,7), then the screw rod (5) of stretcher (4) is passed the lifting groove (3) of pedal support (2), adjust behind the height with nut (6) it fasteningly just can.

The utlity model has simple in structurely, the pedal height can be in harmonious proportion the advantage such as easy to use, is suitable for various bicycles, uses during for children's ride-on tailstock frame.

Claims

1, a kind of adjustable for height bicycle tail frame is foot-operated, it is characterized in that including a pedal support (2) and a stretcher (4), the top and bottom of pedal support (2) are respectively equipped with pedal support (2) are fastened on upper grip (1) and lower chuck (7) on bicycle tripod rear axle tilted supporter and the lower bracket, also have a lifting groove (3) in the centre of pedal support (2), on the lifting groove (3) that stretcher (4) is fixed in pedal support (2) with the bolt (5) and the nut (6) of its punching.

2, bicycle tail frame according to claim 1 is foot-operated, it is characterized in that stretcher (4) is made up of carriage (8) and Active foot plate (9), Active foot plate (9) is installed on the carriage (8) with axis hole (11) pivot joint of its minor axis (10) with carriage (8), has a bending downward vertically can be close to spacing section (12) of carriage (8) in the rear end of Active foot plate (9).