CN2753654Y

CN2753654Y - Pedal bicycle

Info

Publication number: CN2753654Y
Application number: CNU2004200916486U
Authority: CN
Inventors: 张开延
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-09-17
Filing date: 2004-09-17
Publication date: 2006-01-25
Anticipated expiration: 2014-09-17

Abstract

The utility model relates to a pedal bicycle which is characterized in that left and right lever type pedals are arranged on a middle axle part. The other ends of levers are fixed with two steel ropes which are clamped by a cast steel convex table after the two steel cables are wound on the outer sides of thread rotors outside sheathed on left and right flywheels. A steering wheel is arranged under the back part of a saddle. After the steel rope on a middle section bypasses the steering wheel, both ends of the steel rope on a middle section are respectively connected with inner sides of the thread rotors outside sheathed on left and right flywheels and are clamped by the cast steel convex table. The function of ratchet pawls of inner ratchets of flywheel cores is applied to the thread rotors outside sheathed on left and right flywheels, and thus, a back flywheel forward rotates to work but backward and freely rotates to not work. When the pedals are vertically pedaled in a reciprocating type, no blind corner exists. The utility model also has the advantages of labor saving, simple structure, low cost, safety and long service life.

Description

Pedal-type bicycle

Technical field

The utility model belongs to technical field of bicycles, and particularly the foot pedal lever formula back and forth drives, the bicycle of steel rope transmission.

Background technology

At present, dissimilar bicycles all is to drive crank and then drive sprocket wheel with pedal both at home and abroad, advances in the chain-drive mode again.The crank of making circular movement in this type of drive is short, the performance of exerting oneself is bad, and when crank formula perpendicular to the ground when vertical, the transmission dead angle is arranged, bicycle can only advance by inertia, otherwise drive difficulty, just proved absolutely this point in Japanese bicycle industry development association " bicycle application manual " book.Bicycle be a kind of free of contamination ride ride instead of walk, the light vehicle of body-building recreation, aspect the innovation driving, developed country has proposed new research topic, in " bicycle application manual " book as Japanese bicycle industry development association volume, march to new bicycle, new research topic has just been proposed, " problem 4 drives: the steel cable transmission, by ratchet crank motion is changed into transmission, spring type ... ".The pedal-type bicycle of China Patent No. 85203897 in 1985 is lever chain sprocket drive structures.The data at home and abroad report has fan-shaped inner gear structure or especially big chain sprocket structure and lever chain gear structure etc., but structure is complexity, and the driving operation is bad and can not move back car, and the cost height is difficult to batch manufacturing and practical application.By retrieval, the structure of domestic and international lever actuated steel cable driving bicycle, not having so far has.For this reason, the utility model provides a kind of foot pedal lever formula back and forth to drive, and by the bicycle of steel rope transmission.

Summary of the invention

The utlity model has preceding, front-wheel, saddle, bearing, pedal (1), trailing wheel (11), hind axle (10), nut (21), packing ring (22), in silk retaining (23), the flat retaining of flywheel (25), floral disc (26), flywheel fuse (27), it is characterized in that being installed in the left side on the axis (4), right two lever pedals, this pedal is made up of lever (2) and the pedal that is installed in lever one end, the other end of lever is fixing with steel rope (5) and (9) by fixed card (20), axis is installed in the middle part of vehicle frame (2), front-wheel and preceding handle are equipped with in the vehicle frame front portion, saddle is equipped with in the top, middle part of vehicle frame, wheel flutter (8) is installed on the little axle (6), little axle mounting is on the vehicle frame of the saddle back lower place, trailing wheel is installed on the rear axletree (9), rear axletree is fixed on the rear end of vehicle frame, a left side, right Case of fly-wheel screw rotor (29), (28) pass through bearing, the flat retaining of flywheel, the flywheel fuse, floral disc is installed on the hind axle, hind axle keeps off (23) by bearing by the lining silk, outer silk retaining (24) is fixed on the rear axletree, again by packing ring, nut is anchored on the vehicle frame rear end, a left side, the right Case of fly-wheel screw rotor outside is by steel rope (5), (19) twine, and the termination of steel rope (5) and (19) is blocked through cast steel boss (18).An end of stage casing steel rope (7) is blocked in Case of fly-wheel screw rotor inboard, a left side by cast steel boss (17), after stage casing steel rope (7) is walked around left Case of fly-wheel screw rotor, walk around wheel flutter again, walk around right Case of fly-wheel screw rotor inboard at last, and block by cast steel boss (17).

In order to limit the position of the upper and lower motion of lever, when stepping on bipod and depress, be raised to uncomfortable height, near above the axis place limit boss plate (14) is housed at left and right lever (2), and near the axis place limit baffle plate (13) is housed at vehicle frame (12).

For the parking and falling back of bicycle,, friendly frame (15) can be installed in vehicle frame (12) left side of beaming roller afterwards, and be equipped with in the support lower end and move back wheel (16) for a short time, when moving back car, before people's left hand behaviour, the right hand holds up saddle inclined to one side to left one, and move back the steamboat rear wheel that contacts to earth and rise, but just work done.

The utility model has the advantages that throw of lever is longer, than long nearly 1 times of traditional crank, so laborsaving more than 1/2nd, when the lever pedal is made upper and lower crank motion, make useful work downwards, do not rotate the dead angle, no sprocket wheel chain, gearless, few, simple and reasonable by steel cable transmission, gearing friction power, cost is low, treadmill is as walking, and riding safety is reliable, long service life.

Can be made into bicycle racing, steamboat footpath car according to this mechanism, also can be made into double, that three people ride many people car, can be widely used in rides rides instead of walk, sport and body-building, and amusement and load transportation and other manpower drive in the working domain.

Description of drawings

Fig. 1 is the pedal-type bicycle structural representation.

Fig. 2 is the structure partial generalized section of pedal-type bicycle hind axle part.

Fig. 3 is the birds-eye view of board-like pedal of the thick stick of pedal-type bicycle and rear wheel link.

The specific embodiment

The utility model will be further described in conjunction with the accompanying drawings, when riding, left foot is pedaled and is moved downward, make the lever left other end turn to the front upper place, steel rope (5) is pulled to the front upper place, left Case of fly-wheel screw rotor (29) backward directions are rotated, and drive stage casing steel rope (7) spurs to the back lower place, stage casing steel rope (7) passes through wheel flutter, make its other end spur right Case of fly-wheel screw rotor (28) forwards to rotation, because the effect of the click in the flywheel fuse rotates trailing wheel forward, simultaneously, because of right Case of fly-wheel screw rotor forwards to rotation, pull back thereby drive steel rope (19), force the right lever other end to pull to the back lower place, right pedal upwards lifts.When right pedal moves downward, make the right lever other end turn to the front upper place, steel rope (19) is pulled to the front upper place, right Case of fly-wheel screw rotor backward directions are rotated, because the effect of the click in the flywheel fuse, freely rotate not work done backward, at this moment, stage casing steel rope (7) is pulled to the back lower place, stage casing steel rope (7) makes left Case of fly-wheel screw rotor forwards to rotation by wheel flutter, under the effect of the click in the flywheel fuse, trailing wheel is rotated, simultaneously forward, because of left Case of fly-wheel screw rotor forwards to rotation, pull back thereby drive steel rope (5), force the lever left other end to pull to the back lower place, left foot is pedaled upwards and is lifted.Left and right pedal like this is upper and lower back and forth to step, and by pulling before and after left and right lever drives steel rope (8), (19), makes trailing wheel to the previous crops circular movement, realizes moving ahead of pedal-type bicycle, and car can art skating when not stepping.

Claims

1, a kind of pedal-type bicycle, have preceding, front-wheel, saddle, bearing, pedal (1), trailing wheel (11), hind axle (10), nut (21), packing ring (22), in silk retaining (23), the flat retaining of flywheel (25), floral disc (26), flywheel fuse (27), it is characterized in that being installed in the left side on the axis (4), right two lever pedals, this pedal is made up of lever (2) and the pedal that is installed in lever one end, the other end of lever is fixing with steel rope (5) and (19) by fixed card (20), axis is installed in the middle part of vehicle frame (12), front-wheel and preceding handle are equipped with in the vehicle frame front portion, saddle is equipped with in the top, middle part of vehicle frame, wheel flutter (8) is installed on the little axle (6), little axle mounting is on the vehicle frame of the saddle back lower place, trailing wheel is installed on the rear axletree (9), rear axletree is fixed on the rear end of vehicle frame, a left side, right Case of fly-wheel screw rotor (29), (28) pass through bearing, the flat retaining of flywheel, the flywheel fuse, floral disc is installed on the hind axle, hind axle is kept off by the lining silk by bearing, outer silk retaining (24) is fixed on the rear axletree, again by packing ring, nut is anchored on the vehicle frame rear end, a left side, the right Case of fly-wheel screw rotor outside is by steel rope (5), (19) twine, and the termination of steel rope (5) and (19) is blocked through cast steel boss (18), an end of stage casing steel rope (7) is blocked in Case of fly-wheel screw rotor inboard, a left side by cast steel boss (17), after stage casing steel rope (7) is walked around left Case of fly-wheel screw rotor, walk around wheel flutter again, walk around right Case of fly-wheel screw rotor inboard at last, and block by cast steel boss (17).

2, pedal-type bicycle according to claim 1 is characterized in that said left and right lever (2) is equipped with limit boss plate (14) near above the axis place, and near the axis place limit baffle plate (13) is housed at vehicle frame.

3, pedal-type bicycle according to claim 1 is characterized in that said vehicle frame (5) left side of beaming roller afterwards, can mounting bracket (15), and be equipped with in the support lower end and move back wheel (16) for a short time.