CN2855878Y

CN2855878Y - Shaft drive transmission bicycle

Info

Publication number: CN2855878Y
Application number: CN 200520036929
Authority: CN
Inventors: 牛中尧
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-22
Filing date: 2005-12-22
Publication date: 2007-01-10
Anticipated expiration: 2015-12-22

Abstract

The utility model discloses an axle driving bicycle. It includes a front wheel, a back wheel, a steering crank, a crank, handle bars, a steering casing and a saddle. The steering crank is installed in the steering casing, handle bars are installed on the top of the steering crank, an axle driving accelerator is connected at the bottom of the steering crank. Treadles and bicycle crutches are installed separately on the two ends of the driving axle of the axle driving accelerator which connects with the crank, and the back wheel is installed on the back of the crank. The axle driving accelerator arranged on the front wheel greatly improves the driving ratio of the bicycle, under the same bicycle riding condition, compared with the existing bicycle, its speed is higher, the axle driving bicycle solves the technical problems of the existing bicycle such as small driving ratio, large diameter of the wheels and large volume. The overall structure of such bicycle becomes extremely simple, compact and makes the manufacturing cost of the whole bicycle greatly reduced. The utility model is convenient for storage, carrying, travel and easy to manufacture.

Description

The shaft drive bicycle

Technical field

The utility model relates to a kind of bicycle, is specifically related to a kind ofly directly carry out bicycle driven by wheel shaft.

Background technology

Bicycle is since prolonging life, and people attempt to change its structure and transmitting ratio always, are able to make bicycle structure simple with this, go out accommodating, with low cost purpose.People have carried out a large amount of Science Explorations work for this reason.Directly do not having all to see that this technology is perfect to today on market, workable and common suitable bicycle appears in the life.

It is bicycle of 00117468,02138782.6,9021440296109513,87207668 or the like that patent literary composition disclosed some patent No.s, but still occupy deeply in the middle of the technical materials as technical conceive, need do further technological improvement.

The utility model content

The purpose of this utility model is to provide a kind of shaft drive bicycle, and simple and reasonable for structure, cost is low.

The technical solution of the utility model is: the shaft drive bicycle, comprise front and rear wheel, turn to fork arm, fork arm, handlebar, turn to sleeve pipe and vehicle seat, the steering fork lever apparatus is in turning to sleeve pipe, turn to the fork arm upper end to be equipped with handlebar, lower end adapter shaft transmission speed increaser, the both ends of main drive shaft of shaft drive speed increaser are equipped with foot-operated respectively and car turns and front-wheel; Fork arm is connected with turning to fork arm, and the rear end is provided with trailing wheel.

Described shaft drive speed increaser comprises imput shaft, gear wheel shaft, ratchet-gear wheel, gear, axle skin and vent piece.Ratchet-gear wheel is installed on the imput shaft, and described ratchet-gear wheel is made up of arbor wheel and gear, and the arbor wheel inboard has keyway, and the outside has pawl slot, and the bottom is provided with spring; The gear inboard is provided with ratchet, and outer rim is provided with the gear teeth; An end cap and an axle skin are arranged on the ratchet-gear wheel both sides, and by gear wheel shaft being installed and being fixed on gear on the gear wheel shaft, gear wheel shaft is by bearing fixing in the end cap, and the outer rim of axle skin is provided with the staggered width of cloth cylindrical void of two circles, and the vent piece is arranged on the imput shaft outside.

Describedly turn to fork arm to be sleeved on to turn in the sleeve pipe, the upper end is equipped with handlebar, and the lower end is equipped with trailing wheel; The front end of fork arm and pipe link with turn to sleeve pipe hinged, pipe link rear end and fork arm middle part is hinged with attaching parts, attaching parts top is provided with a bar, seat bar upper end is equipped with vehicle seat, the fork arm rear end is provided with trailing wheel.

The described fork arm that turns to is arranged in a crossed manner and hinged with the seat bar, turns to the fork arm upper end to be equipped with handlebar, and the rear end is connected with steering box, and the gear case rearward end is installed trailing wheel; Seat bar upper end is equipped with vehicle seat, and the lower end is provided with the shaft drive speed increaser, is connected with front-wheel.

Describedly turn to fork arm to be sleeved on to turn in the sleeve pipe, turn to the fork arm upper end to be equipped with handlebar, the lower end is provided with trailing wheel; The front end and the sleeve pipe of fork arm and pipe link are affixed, and the pipe link rear end is affixed with the seat bar, and seat bar lower end and fork arm are affixed, and seat bar upper end is equipped with vehicle seat, and the fork arm rear end is provided with trailing wheel.

The utility model shaft drive bicycle, the shaft drive speed increaser is arranged on the front-wheel, significantly improved the transmitting ratio of bicycle, under the identical situation of the condition of riding, the speed of more existing car increases, it is little that the shaft drive bicycle has solved existing bicycle transmission ratios, wheel diameter is big, and the car load volume is doted on big technical matters, makes the integral structure of bicycle become extremely simple, small and exquisite, make the manufacturing cost of car load significantly reduce.The utility model is convenient to deposit, carries, goes out accommodating; Be convenient to make.

Description of drawings

Fig. 1 is a shaft drive speed increaser constructional drawing;

Fig. 2 is the ratchet-gear wheel constructional drawing;

Fig. 3 and Fig. 4 are bottom girder formula shaft drive bicycle expansion drawing and folding figure;

Fig. 5 and Fig. 6 are staggered form shaft drive bicycle expansion drawing and folding figure;

Fig. 7 is non-folding formula shaft drive bicycle structure figure.

The specific embodiment

Shaft drive speed increaser 6 constitutes by being installed in ratchet-gear wheel 36 on the imput shaft 35, axle card 48, bearing 43, spacing ring 52 and being installed in gear case 41 on the imput shaft 35, axle skin 40, vent piece 42 etc. by bearing 43.Gear case 41 is interior by constituting by the gear wheel shaft 37 of bearing installation and the gear 38 that is fixed on the gear wheel shaft 37.The outer rim of axle skin 40 has the staggered width of cloth cylindrical void 54 of two circles, is used for installing width of cloth bar and connects wheel rim, and gear case 41 outsides and vent piece 42 outsides are by being bolted on the front fork.Imput shaft 35 two ends are installed car and are turned 18.Ratchet-gear wheel 36 is made of arbor wheel 75 and gear 76.There is the keyway 82 that can enough keys attaches it on the imput shaft 35 arbor wheel 75 inboards, and pawl slot 80 bottoms in the outside are provided with spring 81.Gear 76 inboards are provided with ratchet 77, and outer rim is provided with the gear teeth 79.Ratchet 78 couples together wheel shaft 75 and gear 76 elasticity by spring 81, and assurance gear 76 is tended to act by unidirectional.

The principle of work of shaft drive speed increaser 6 is: ratchet-gear wheel 36 gear shaft 37 that are fixed on the imput shaft 35 are rotated.The gear 38 axle drive shaft skin gears 39 that are fixed on the gear wheel shaft 37 rotate, because axle skin gear 39 and axle skin 40 one rotate so axle skin 40 is made constant angular velocity with axle skin gear 39.

As shown in Figure 3, a kind of collapsible shaft drive bicycle comprises front and back wheel, turns to fork arm 3 upper ends to be equipped with handlebar 1, turns to fork arm 3 to be sleeved on and turns in the sleeve pipe 5, turns to sleeve pipe 5 two ends that steering bearing 8 is installed, and turns to the bottom adapter shaft transmission speed increaser 6 of fork arm 3.Each installs imput shaft 35 two ends of shaft drive speed increaser 6 and to have connected foot-operated 19 car and turn 18 and front-wheel 29.Fork arm 9, pipe link 12 by attaching parts 31 with turn to sleeve pipe 5 hinged, hinged with seat bar 11 by attaching parts 13, seat bar upper end is equipped with vehicle seat 10, the fork arm afterbody connects trailing wheel 30.

As shown in Figure 5, a kind of staggered form shaft drive bicycle turns to fork arm 3 and seat bar 11 by attaching parts 16 cross-articulation, realizes that connection and control car body are folding.Turn to the fork arm upper end to be equipped with handlebar 1, the rear portion is connected with steering box 23, and trailing wheel 30 is installed in the gear case rear end.Seat bar upper end is equipped with vehicle seat 10, lower end adapter shaft transmission speed increaser 6.Shaft drive speed increaser 6 is installed in the center of front-wheel 29, its imput shaft 35 two ends respectively be equipped with connected foot-operated 19 and car turn 18.

As shown in Figure 7, a kind of non-folding formula shaft drive bicycle comprises front and rear wheel, turns to fork arm 3 to be sleeved on and turns in the sleeve pipe 5, and the upper end is equipped with handlebar 1, turns to sleeve pipe 5 two ends that steering bearing 8 is installed, and turns to the bottom adapter shaft transmission speed increaser 6 of fork arm 3.Each installs imput shaft 35 two ends of shaft drive speed increaser 6 and to have connected foot-operated 19, car and turn 18 and front-wheel 29.Fork arm 9 and pipe link 12 are arranged on the sleeve pipe, and seat bar 11 is connected with it, and seat bar upper end is equipped with vehicle seat 10, and the fork arm rear end connects trailing wheel 30.

Claims

1, a kind of shaft drive bicycle, comprise front and rear wheel, turn to fork arm (3), fork arm (9), handlebar (1), turn to sleeve pipe (5) and vehicle seat (11), it is characterized in that: the steering fork lever apparatus is in turning to sleeve pipe, turn to the fork arm upper end to be equipped with handlebar, lower end adapter shaft transmission speed increaser (6), the both ends of main drive shaft of shaft drive speed increaser are equipped with foot-operated (19) respectively and car turns (18) and front-wheel (29); Fork arm is connected with turning to fork arm, and the rear end is provided with trailing wheel (30).

2, shaft drive bicycle according to claim 1 is characterized in that: described shaft drive speed increaser comprises imput shaft (35), gear wheel shaft (37), ratchet-gear wheel (36), gear, axle skin (40) and vent piece (42); Ratchet-gear wheel is installed on the imput shaft, and described ratchet-gear wheel is made up of arbor wheel (75) and gear (76), and the arbor wheel inboard has keyway (82), and the outside has pawl slot (80), and the bottom is provided with spring (81); The gear inboard is provided with ratchet (77), and outer rim is provided with the gear teeth (79); An end cap and an axle skin are arranged on the ratchet-gear wheel both sides, and by gear wheel shaft being installed and being fixed on gear on the gear wheel shaft, gear wheel shaft is fixing by bearing (43) in the end cap, and the outer rim of axle skin is provided with two circle staggered width of cloth cylindrical voids (54), and the vent piece is arranged on the imput shaft outside.

3, shaft drive bicycle according to claim 1 and 2 is characterized in that: describedly turn to fork arm (3) to be sleeved on to turn in the sleeve pipe (5), turn to the fork arm upper end to be equipped with handlebar (1), the lower end is connected with shaft drive speed increaser (6); The front end of fork arm (9) and pipe link (12) with turn to sleeve pipe hinged, pipe link rear end and fork arm middle part is hinged with attaching parts, attaching parts top is provided with a bar (11), seat bar upper end is equipped with vehicle seat (10), the fork arm rear end is provided with trailing wheel (30).

4, shaft drive bicycle according to claim 1 and 2, it is characterized in that: described turn to fork arm (3) and the seat bar (11) arranged in a crossed manner and hinged, turn to the fork arm upper end to be equipped with handlebar (1), the rear end is connected with steering box (23), and the gear case rearward end is installed trailing wheel; Seat bar upper end is equipped with vehicle seat (10), and the lower end is provided with shaft drive speed increaser (6), is connected with front-wheel.

5, shaft drive bicycle according to claim 1 and 2 is characterized in that: describedly turn to fork arm (3) to be sleeved on to turn in the sleeve pipe (5), turn to the fork arm upper end to be equipped with handlebar (1), the lower end is connected with shaft drive speed increaser (6); The front end of fork arm (9) and pipe link (12) with turn to sleeve pipe affixed, the pipe link rear end is affixed with seat bar (11), seat bar lower end and fork arm is affixed, is equipped with vehicle seat (10) on the seat bar, the fork arm rear end is provided with trailing wheel (30).