CN2609825Y - Labour-saving lengthening bicycle - Google Patents

Abstract

The utility model provides a laborsaving elongated bicycle elongating the bicycle body and lowering the vehicle seat, which is more suitable for the needs of the elderly consumer groups. The laborsaving elongated bicycle comprises vehicle wheels, a vehicle frame, a vehicle seat, a foot lever, a flywheel, and a bicycle chain, which is characterized in that the vehicle seat and a back support are arranged at the elongated part of the arc vehicle frame. The technical project employed in the utility model is that, because the vehicle seat is arranged at the lower end of the elongated part of the arc vehicle frame, the position of the vehicle seat is lowered and the rider can get a back support, which is laborsaving and safe, and can effectively improve the situation that the elder people can not forwardly ride bicycle for a long time because of the lumbar spine hypodynamia.

Description

A kind of labour-saving extended type bicycle

Technical field

The utility model relates to a kind of labour-saving extended type bicycle, belongs to improved bicycle product technical field.

Background technology

At present the bicycle designs trend at a high speed, light direction develops, new design emerges in an endless stream, but at the elderly use laborsaving, comfortable bicycle is also relatively more rare on market.

Summary of the invention

The purpose of this utility model is to provide a kind of labour-saving extended type bicycle, and with the vehicle body lengthening, vehicle seat reduces, and makes it to be more suitable for the person in middle and old age consumer group's needs.

The technical solution of the utility model is achieved in that this labour-saving extended type bicycle, by wheel, and vehicle frame, vehicle seat, pedal, flywheel, chain constitutes, and it is characterized in that the prolongation low level of arc vehicle frame is provided with vehicle seat and backrest.

Described labour-saving extended type bicycle is characterized in that between two group arc vehicle frames strut bar being set.

The handlebar position of described labour-saving extended type bicycle is provided with coupler bonded assembly bearing circle.

Described labour-saving extended type cycle chain also is provided with straining pulley or change wheel.

The vehicle seat of described labour-saving extended type bicycle is connected by supporting plate and arc vehicle frame.

The lazyback of described labour-saving extended type bicycle is connected by supporting plate and the rear wheel support that is welded on the arc vehicle frame.

The technical solution adopted in the utility model is extended the lower end because vehicle seat is arranged on the arc vehicle frame, has reduced the vehicle seat position, can make people's acquisition dependence backward by bike, and laborsaving and safety is particularly useful for the elderly.

Description of drawings

Fig. 1 is the utility model labour-saving extended type bicycle structure scheme drawing

Fig. 2 is the partial enlarged drawing of Fig. 1 coupling segment

Fig. 3 is the partial enlarged drawing of the another kind of coupler of Fig. 1

Among the figure: 1, coupler 2, bearing circle 3, vehicle seat 4, backrest 5, flywheel 6, arc vehicle frame 7, strut bar 8, straining pulley 9, direction lever 10, front fork

The specific embodiment

Fig. 1 is an embodiment of the utility model bicycle, vehicle frame 6 is two arc shapes among the figure, vehicle seat 3 is positioned at the extension low side of arc vehicle frame, the trailing wheel A-frame welding of arc vehicle frame and double as back bracket, flywheel 5 and pedal are positioned at the front end of vehicle frame, cyclist's center of gravity just reduces relatively like this, and back can rest on the backrest 4.It is weak effectively to improve person in middle and old age's lumbar vertebrae, is difficult to long-time preceding hectare of situation by bike.

Elongation technology scheme of the present utility model is handlebar to be improved become bearing circle 2, as Fig. 2 or shown in Figure 3, adopts coupler 1 closure bar 9 and bicycle front fork 10, and cyclist's both hands ride on the bearing circle 2, and it is lighter to hold handlebar than both hands, convenient.

Claims (6)

1, a kind of labour-saving extended type bicycle, by wheel, vehicle frame, vehicle seat, pedal, flywheel, chain constitutes, and it is characterized in that the prolongation low level of arc vehicle frame (6) is provided with vehicle seat (3) and backrest (4).

2,, it is characterized in that between two group arc vehicle frames (6) strut bar (7) being set according to the described labour-saving of claim 1 extended type bicycle.

3,, it is characterized in that the handlebar position is provided with coupler (1) bonded assembly bearing circle (2) according to the described labour-saving of claim 1 extended type bicycle.

4,, it is characterized in that chain also is provided with straining pulley (8) or change wheel according to the described labour-saving of claim 1 extended type bicycle.

5,, it is characterized in that described vehicle seat is connected by supporting plate and arc vehicle frame according to the described labour-saving of claim 1 extended type bicycle.

6,, it is characterized in that described lazyback is connected by supporting plate and the rear wheel support that is welded on the arc vehicle frame according to the described labour-saving of claim 1 extended type bicycle.

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