CN2843979Y

CN2843979Y - Bicycle

Info

Publication number: CN2843979Y
Application number: CN 200520030347
Authority: CN
Inventors: 朱玉春
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-04-01
Filing date: 2005-04-01
Publication date: 2006-12-06
Anticipated expiration: 2015-04-01

Abstract

The utility model relates to a new bicycle. The utility model comprises a bicycle frame, a handlebar, a fixing protecting board of a front handle, a front wheel, a back wheel, a chain wheel and a chain wire which are arranged on the bicycle frame, a back chain wheel arranged on the back wheel, a tension guiding wheel arranged on the back part of the bicycle frame, a rolling bearing arranged on the axle center of the front wheel and the back wheel, a saddle arranged on the bicycle frame, a saddle height spiral adjustor arranged on the upper part of a saddle rod, an oil pressure spring oscillating damper arranged on the lower part of the saddle height spiral adjustor and a bicycle back chain wheel arranged on the left side of the axle center of the back wheel of the bicycle frame and connected with the chain wheel by the chain wire. The utility model has the advantages of simple structure, firmness, duration, riding labor saving, safety, comfort, economy, practicability, long entire bicycle running distance, obvious pedaling fatigue decrease, folding performance and convenient placement. The utility model provides convenience for people's daily use.

Description

New bicycle

Technical field

The utility model relates to a kind of traffic means of transport, is specially a kind of new bicycle.

Background technology

Present common bicycle, that its vehicle frame has is leg-of-mutton, arc, double oblique beams etc., all several pedals, flywheel all are contained in the middle part of two wheels, corresponding vehicle seat also is installed in the middle part of two wheels, and do not have damper mechanism, people's body is straight and upright or lean forward when riding, and legs and feet are vertically pedaled pedal, when road was far away, human body was tired easily, lumbocrural pain.

Goal of the invention

The purpose of this utility model is to improve the structure of bicycle, to adapt to long-time remote maximum comfortable, laborsaving, the bicycle that can fold, be convenient to place that reaches by bike the time.

Summary of the invention

The purpose of this utility model is achieved in that and comprises vehicle frame, be installed in fixedly backplate of handlebar on the vehicle frame and preceding handle, be installed in the vehicle seat on the vehicle frame, front-wheel and trailing wheel, sprocket wheel, chain line, be installed in the back sprocket wheel on the trailing wheel and be installed in the tensioner guide wheel at vehicle frame rear portion, place, axle center in front and back wheel is equipped with antifriction-bearing box, between seat rod top and vehicle seat, be provided with vehicle seat height screw regulator, vehicle seat height screw regulator bottom is provided with the hydraulic spring shock absorber, bicycle rear sprocket is installed in vehicle frame hind axle center left, and be connected with sprocket wheel by chain line, because of its handlebar and vehicle frame, seat rod and vehicle frame all are pivotallys attached, need only two place's pins in the time of must folding going out; It is characterized in that: described line is the steel rope heart, and the outside is oval bead; Described sprocket wheel, back sprocket wheel be have have in limit groove and the limit groove with chain line on the pit that matches of oval bead; Described preceding fixedly in the backplate antifriction-bearing box being installed; It is the integral body that organically combines that described sprocket wheel and car turn, and the sprocket wheel both sides are equipped with antifriction-bearing box.

The utlity model has that simple in structure, economical and practical, car load skeleton adopts plastic-steel or other high-strength light materials are made, the height screw regulator of vehicle seat and hydraulic spring shock absorber, can obviously alleviate foot-operatedly tired, quality is light, be convenient to people's advantage used in everyday.

Description of drawings

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

Embodiment

With reference to accompanying drawing, the utility model is further elaborated.

As shown in Figure 1, handlebar 10 that the utility model comprises vehicle frame 2, be installed in vehicle frame on (2) and preceding handle fixedly backplate 14, be installed in front-wheel 15 and trailing wheel 16, sprocket wheel 7, chain line 6 on the vehicle frame, be installed in the back sprocket wheel 11 on the trailing wheel 16 and be installed in the tensioner guide wheel 8 at vehicle frame rear portion, place, axle center at front-wheel 15 and trailing wheel 16 is equipped with antifriction-bearing box 9, vehicle frame 2 is provided with vehicle seat 5, seat rod top is provided with vehicle seat height screw regulator 13, and vehicle seat height screw regulator 13 bottoms are provided with hydraulic spring shock absorber 4.Bicycle rear sprocket 11 is installed in left side, vehicle frame 2 trailing wheels 16 axle center, and is connected with sprocket wheel 7 by chain line 6; Because of its handlebar 10 all is pivotally attached with vehicle frame 2, seat rod with vehicle frame 2, as long as 1,3 of two place's pins are gone out, wheel frame 12 on wheel, is the detouchable parts by screw retention in the time of must be folding.

Claims

1, new bicycle, comprise vehicle frame (2), be installed in handlebar (10) on the vehicle frame (2) and preceding handle fixedly backplate (14), be installed in vehicle seat (5) front-wheel (15) and trailing wheel (16), sprocket wheel (7), chain line (6) on the vehicle frame (2), be installed in the back sprocket wheel (11) on the trailing wheel (16) and be installed in the tensioner guide wheel (8) at vehicle frame (2) rear portion, it is characterized in that: described chain line (6) is the steel rope heart, and the outside is oval bead.

2, new bicycle according to claim 1 is characterized in that: described sprocket wheel (7), back sprocket wheel (11) for have have in limit groove and the limit groove with chain line (6) on the pit that matches of oval bead.

3, new bicycle according to claim 1 is characterized in that: described height rotary actuator (13) is arranged between seat rod top and the vehicle seat (5).

4, new bicycle according to claim 1 is characterized in that: the place, axle center of described front-wheel (15) and trailing wheel (16) is equipped with antifriction-bearing box (9).

5, new bicycle according to claim 1 is characterized in that: described wheel frame (12) is a detouchable.

6, new bicycle according to claim 1 is characterized in that: described back sprocket wheel (11) is for being placed on the left side of vehicle frame (2).

7, new bicycle according to claim 1 is characterized in that: described preceding fixedly in the backplate (14) antifriction-bearing box being installed.

8, new bicycle according to claim 1 is characterized in that: it is the integral body that organically combines that described sprocket wheel (7) and car turn, and both sides are equipped with antifriction-bearing box.