CN203020510U - Double-convertor bicycle - Google Patents

Abstract

The utility model provides a double-convertor bicycle which solves the problem that an existing bicycle is laborsome in riding. The double-convertor bicycle has the functions of speed changing and converting, and effortless riding of the bicycle can be easily and conveniently achieved.

Description

Two conv bicycles

Technical field

The utility model relates to daily life field, especially a kind of pair of conv bicycle.

Background technology

At present, the rear sprocket wheel chain connection pedal that bicycle normally is connected to the rear is connected to front-end chain wheel drive wheel, many bicycles forwardly or the rear a plurality of sprocket wheels are arranged, with the ability that provides, select the place ahead and rear sprocket wheel between different gear ratios, this makes by bike very effort, for our life is made troubles.

Summary of the invention

In order to overcome the useless power of existing bicycle riding, the utility model provides a kind of pair of conv bicycle, and this bicycle has the speed change translation function, can realize simply and easily that bicycle is effortless to ride.

the technical scheme that its technical matters that solves the utility model adopts is: a kind of pair of conv bicycle, comprise: two wheels, support frame on two wheels, brake lever, gear shift mechanism, gear shift mechanism changes gear multiplication, brake gear is connected with brake lever and gear mechanism, lever on brake gear as the first axle revolving bar on, brake lever is installed on the revolving bar of the second axle, wherein gear shift mechanism comprises chain change-speed box, comprise that also a handlebar framework and brake assist the shift cable truck dead lever, brake mechanism also comprises brake cable braking steady arm and fixing brake rod, brake rod causes the activity of brake cable, handlebar comprises a basic handle and an expansion, wherein bicycle comprises that also a cable connects brake rod, shifter bar.

The beneficial effects of the utility model are, a kind of pair of conv bicycle can be used for that realizing upgrades and lower category uses the ability of a single actuator.

Description of drawings

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

Fig. 1 is schematic diagram of the present utility model.

Fig. 2 is bicycle handle bar's front perspective view.

Fig. 3 is the transparent view of right side brake.

Fig. 4 is the transparent view of left side brake.

Fig. 5 is the partial view of transparent view handlebar.

The specific embodiment

shown in figure, comprise a main frame 22, front fork 26, support a seat 28 by main frame 22, bicycle 20, the change-speed box 30 at the place ahead and rear, 32, gear 20 on bicycle, main frame 22 and front fork 26, trailing wheel 34 and front-wheel 36, braking 37 can be used for controlling the speed 20 of bicycle, add a handlebar 38, handlebar 38 comprises that vertical handgrip 40 is connected to front fork 26 and is fixed on handlebar 40 handles 42 and is clamped on vertical handgrip 40, handlebar expansion 46 comprises two narrow places 48 of holding, jockey's the front arm rest strong point 50, handlebar expansion 46 comprises a main displacement 52, 54, shift change-speed box 30, one of 32 two, change-speed box 30 is shifted in dextroposition 52, shift left and 54 move Front Derailleur 32, right main displacement 52 comprises that is moved a base 56, shifter bar 58 ratchet-type levers, move after turning back to midway location, each brake 60, 62 comprise brake rod pivot installation lever base lever shaft rotation 66 64, brake rod 64 users can be engaged in the mobile bicycle brake braking cable 68 of managing, right brake 60 comprises that braking support fixed link plays bar 72 and check screw 74, check screw 74 also comprises a thread surface 78, chock 72, support 70 by check screw 74 to braking, chock 72 is radial, braking by insertion supports 70 conveniently to tighten the interior hexagonal 82 of ground bolt 74, screw thread braking bolt 84, 70 brakings are supported, and provide a fixing structure, mounting rod base 66, torsion spring 88, the position of the braking support between 70 and the lever base 66 66 times neutrality in position rotating biased lever base,

Braking supports that 70 comprise that first shell comprises hole 92, accept assisted diversion line 93, and accept assisted diversion shell 96, lever 66 comprises cable duct 98 and anchor cable 100, other assisted diversion shells 96, near the dextroposition 52 the location 102 of second housing, second housing comprises for receiving assisted diversion cable 93,104 A holes, cylinder is accepted other assisted diversion shells 96, and assisted diversion cable 93 is by second housing 102 and the right shifter bar 58 of downside on every side.

Claims (6)

1. two conv bicycle, comprise: two wheels, support frame on two wheels, brake lever, gear shift mechanism, gear shift mechanism changes gear multiplication, and brake gear is connected with brake lever and gear mechanism, lever on brake gear as the first axle revolving bar on, brake lever is installed on the revolving bar of the second axle.

2. according to claim 1 two conv bicycles, is characterized in that, gear shift mechanism comprises chain change-speed box.

3. according to claim 1 two conv bicycles, is characterized in that, comprises a handlebar framework.

4. according to claim 1 two conv bicycles, is characterized in that, comprises also that wherein brake assists the shift cable truck dead lever.

5. according to claim 1 two conv bicycles, is characterized in that, brake mechanism also comprises brake cable braking steady arm and fixing brake rod, and brake rod causes the activity of brake cable.

6. according to claim 1 two conv bicycles, is characterized in that, wherein bicycle, comprise that also a cable connects brake rod, shifter bar.

Images