CN2319305Y

CN2319305Y - Gravity accelerating bicycle

Info

Publication number: CN2319305Y
Application number: CN 97249253
Authority: CN
Inventors: 王宝禄; 王宝玲
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-11-18
Filing date: 1997-11-18
Publication date: 1999-05-19
Anticipated expiration: 2007-11-18

Abstract

The utility model belongs to a gravity accelerating bicycle, mainly composed of a frame, a front wheel, a rear wheel, a gravity accelerating device and a variable speed device. The gravity accelerating device comprises a load frame, a swing frame and a fixed mount, wherein, the load frame is composed of a horizontal bar (27), a back inclined bar (37) and a front inclined bar (34), the swing frame is composed of a swing lever (35) and a moving bar (14), and the fixed mount comprises a positioning rod (15); the variable speed device comprises a change wheel group and a gravity accelerating wheel group. The utility model has the advantages of advanced principle, reasonable structure, superior performance and novel molding; compared with an ordinary bicycle, speed can be increased more than 1/3, or at the same speed labour can be saved by 30-50%.

Description

The gravity acceleration bicycle

The utility model belongs to a kind of bicycle, particularly in a kind of bicycle that utilizes gravity to quicken.

Present bicycle is considered as load-carrying " burden ", and it not only makes the car structure hand over heavyly, and has a strong impact on road speed, when particularly travelling on rugged road, the rider is suffered untold misery, and have to go-cart advance sometimes.

The purpose of this utility model is at problems of the prior art, proposes a kind of gravity acceleration bicycle, and it has become carrying force into auxiliary power, make car hand over lightly, laborsaving and at a high speed.

The technical scheme of gravity acceleration bicycle of the present utility model is: it is mainly by vehicle frame, front and back wheel, gravity acceleration device and friendship quick-mounting are put formation, described gravity acceleration device comprises the load-carrying frame, swing span and fixed mount, load-carrying frame wherein is by horizon bar (27), back brace (37) and preceding brace (34) are formed, its preceding brace (34) is the telescoping structure that is made of upper bush (39) and lower sleeve (41), the upper end (38) of upper bush (39) connects to ground, its lower end is equipped with positioning seal head (42) and is inserted in the lower sleeve (41), between positioning seal head (42) and lower sleeve (41), be provided with spring (43), the lower end of lower sleeve (41) is provided with locating bush (44), be located at, the top of the core bar (40) in the lower sleeve is connected with the upper end (38) of upper bush, its lower end is then stretched into outside the lower sleeve (41), and is connected with swing arm; Swing span wherein is made up of swing arm (35) and moving position bar (14), the rear end of its swing arm (35) is fixed on the interior cover (33) of trailing wheel, its front end then is to be connected with moving position bar (14) by output pin (17), the front end of moving position bar (14) is fixed on the axis (12), its rear end then is connected with jumping axle (16), fixed mount wherein comprises radius stay (15), and its front end is fixed on the axis (12), and its rear end then is connected with the middle cover (32) of trailing wheel.

Described transmission system comprises that speed change wheels and gravity quicken wheels, speed change wheels wherein are made up of the preceding speed change wheels (10) that are contained in the back speed change wheels (25) on the hind axle (24) and be contained on the axis (12), in have chain (13) to link, gravity wherein quickens wheels by the interior wheels (22) that are contained on the hind axle (24), be contained in respectively jump on axle (16) and the back little (28) before, rear drive sprocket (20,30) and before, back steamboat (19,29) form, have balance fork (21) to connect jumping between axle (16) and the back steamboat (28), and interior wheels (22) and before, back steamboat (19, gimmal (23) is housed 29).

The bottom of the front fork stem in the described vehicle frame (1) is a telescoping structure, it is made up of upper bush (2), lower sleeve (6), in upper bush (2), be provided with spring (3), in spring (3), be provided with core bar (4), be provided with positioning seal head (5) in lower sleeve (6) upper end, the lower end of core bar (4) is passed positioning seal head (5) and is inserted in the lower sleeve (6), and the upper end of lower sleeve (6) is stretched in the upper bush (2), and be connected with spring (3), its lower end then is fixed on the axle sleeve of front axle (7).

Two ends at described swing arm (35) are provided with the long strip type notch, can slide therein for receiving pin (36) and output pin (17).

Be provided with the long strip type notch in bar (14) rear end, described moving position, can be movable therein for jumping axle (16).

Forward and backward drive wheel (20,30) is the gear type structure, and its tooth can mesh with the pin tooth that is located in the trailing wheel overcoat (31) respectively.

In the interior cover of trailing wheel, be provided with vase plate (26), and in its both ends, be provided with ship shape plate (45).

In radius stay (15) below tension wheel (18) is housed.

Gravity is housed on front-wheel (8) quickens wheels, it is made up of forward and backward drive wheel and forward and backward steamboat; Between jumping axle and steamboat, be provided with the balance fork.

The major advantage of gravity acceleration bicycle of the present utility model is the principle advanced person, and is rational in infrastructure, superior performance, modern design.Compare with general bicycle, but its speedup more than 1/3, or can laborsaving 30-50% under same speed.

This bicycle is compared with general vehicle also has following characteristics:

1, in the tube-in-tube structure (2,6) of front fork stem (1), spring (3) is housed, plays damping and spring effect synchronously.

2, swing span and fixed mount and axis (12) cover is formed integral body, and is solid and reliable.

3, in the preceding brace (34) spring (43) is housed, except that cushioning effect is arranged, also has energy storages and output action, and by swing arm (35) and output pin (17) and receive pin (36) and through jumping spool (16) energy is transmitted and changes.

4, moving position bar (14) and radius stay (15) and the function that action has long arc and follows the tracks of synchronously that combines of jumping axle (16).

5, the angle (about 5 °) of removing for a short time of overcoat (31) has the effect of brisk labour-saving, and drives trailing wheel (9) rotation by middle cover (32) around interior cover (33).

When 6, the unidirectional front and back drive wheel (20,30) of removing the angle for a short time often is in optimal drive position (45 °), constitute the utilization of conventional bias potential, and by front and back steamboat (19,29), front and back drive wheel (20,30), interior wheels (22) and front and back speed change wheels (10,25) constitute multi-change speed, superhigh speed tracer action.

For further specifying the structure of this car, can specifically describe with reference to drawings and Examples, its accompanying drawing has:

Fig. 1 is the example structure figure of this gravity acceleration bicycle;

Fig. 2 is the trailing wheel part enlarged drawing of car shown in Figure 1;

Fig. 3,4 is respectively the lateral plan and the birds-eye view of the transmission system of car shown in Figure 1

In Fig. 1-4: 1 front fork stem, 2 upper bushes, 3 springs, 4 core bars, 5 positioning seal head, 6 lower sleeves, 7 front axles, 8 front-wheels, 9 trailing wheels, 10 preceding speed change wheels, 11 bottom bracket axle groups, 12 axis, 13 chains, 14 a moving bar, 15 locating racks, 16 jump axle, 17 output pins, 18 tension wheels, 19 preceding steamboats, 20 front driving wheels, 21 balance forks, 22 interior wheels, 23 gimmals, 24 hind axles, 25 back speed change wheels, 26 vase plates, 27 horizon bars, the little axle in 28 backs, 29 back steamboats, 30 rear drive sprockets, 31 overcoats, cover in 32, cover in 33,34 preceding braces, 35 swing arms, 36 receive pin, 37 back braces, 38 upper ends, 39 upper bushes, 40 core bars, 41 lower sleeves, 42 positioning seal head, 43 springs, 44 locating bushs, 45 ship shape plates.

Embodiment:

Gravity acceleration bicycle as shown in Figure 1, it is mainly by vehicle frame, front and back wheel, gravity acceleration device and transmission system constitute, described gravity acceleration device comprises the load-carrying frame, swing span and fixed mount, load-carrying frame wherein is by horizon bar (27), back brace (37) and preceding brace (34) are formed, its preceding brace (34) is the telescoping structure that is made of upper bush (39) and lower sleeve (41), the upper end (38) of upper bush (39) connects to ground, its lower end is equipped with positioning seal head (42) and is inserted in the lower sleeve (41). between positioning seal head (42) and lower sleeve (41), be provided with spring (43), the lower end of lower sleeve (41) is provided with locating bush (44), be located at, the upper end of the core bar (40) in the lower sleeve is connected with the upper end of sleeve, its lower end is then stretched into outside the lower sleeve (41), and is connected with swing arm.Swing span wherein is made up of swing arm (35) and moving position bar (14), the rear end of its swing arm (35) is fixed on the interior cover (33) of trailing wheel, its front end then is connected with moving position bar (14) by output pin (17), the front end of moving position bar (14) is fixed on the axis (12), its rear end then is connected with jumping axle (16), fixed mount wherein comprises radius stay (15), and its front end is fixed on the axis (12), and its rear end then is connected with the middle cover (32) of trailing wheel;

Described transmission system comprises that speed change wheels and gravity quicken wheels, speed change wheels wherein are made up of the preceding speed change wheels (10) that are contained in the back speed change wheels (25) on the hind axle (24) and be contained on the axis (12), in have chain (13) to link, gravity wherein quickens wheels by the interior wheels (22) that are contained on the hind axle (24), be contained in respectively jump on axle (16) and the back little (28) before, rear drive sprocket (20,30) and before, back steamboat (19,29) form, between jumping axle (16) and back steamboat (28), there is balance fork (21) to connect, and interior wheels (22) with before, gimmal (23) is housed between the back steamboat (19,29).

Claims

1, a kind of gravity acceleration bicycle, it mainly is made of vehicle frame, front and back wheel, gravity acceleration device and transmission system, it is characterized in that:

Described gravity acceleration device comprises the load-carrying frame, swing span and fixed mount, load-carrying frame wherein is by horizon bar (27), back brace (37) and preceding brace (34) are formed, its preceding brace (34) is the telescoping structure that is made of upper bush (39) and lower sleeve (41), the upper end (38) of upper bush (39) connects to ground, its lower end is equipped with positioning seal head (42) and is inserted in the lower sleeve (41), between positioning seal head (42) and lower sleeve (41), be provided with spring (43), the lower end of lower sleeve (41) is provided with locating bush (44), be located at, the upper end of the core bar (40) in the lower sleeve is connected with the upper end (38) of upper bush, its lower end is then stretched into outside the lower sleeve (41), and is connected with swing arm.Swing span wherein is made up of swing arm (35) and moving position bar (14), the rear end of its swing arm (35) is fixed on the interior cover (33) of trailing wheel, its front end then is connected with moving position bar (14) by output pin (17), the front end of moving position bar (14) is fixed on the axis (12), its rear end then is connected with jumping axle (16), fixed mount wherein comprises radius stay (15), and its front end is fixed on the axis (12), and its rear end then is connected with the middle cover (32) of trailing wheel;

Described transmission system comprises hands over fast wheels (25) and gravity to add the speed change wheels, speed change wheels wherein are made up of the preceding speed change wheels (10) that are contained in the fast wheels of back friendship (25) on the hind axle (24) and be contained on the axis (12), in have chain (13) to link, gravity wherein quickens wheels by the interior wheels (22) that are contained on the hind axle (24), be contained in respectively jump on axle (16) and the back little (28) before, rear drive sprocket (20,30) and before, back steamboat (19,29) form, have balance fork (21) to connect jumping between axle (16) and the back steamboat (28), and interior wheels (22) and before, back steamboat (19, gimmal (23) is housed 29).

2, bicycle as claimed in claim 1, it is characterized in that the bottom of the front fork stem (1) in the fast vehicle frame be telescoping structure, it is made up of upper bush (2), lower sleeve (6), in upper bush (2), be provided with spring (3), in spring (3), be provided with core bar (4), be provided with positioning seal head (5) in lower sleeve (6) upper end, the lower end of core bar (4) is passed positioning seal head (5) and is inserted in the lower sleeve (6), the upper end of lower sleeve (6) is stretched in the upper bush (2), and be connected with spring, its lower end then is fixed on the axle sleeve of front axle (7).

3, bicycle as claimed in claim 1 is characterized in that being provided with the long strip type notch at the two ends of described swing arm (35), can slide therein for receiving pin (36) and output pin (17).

4, bicycle as claimed in claim 1 is characterized in that being provided with the long strip type notch in bar (14) rear end, described moving position, can be movable therein for jumping axle (16).

5, as claim 1 fast bicycle, its feature is the gear type structure at the forward and backward drive wheel of son (20,30), its tooth can be respectively and the pin tooth engagement that is located in the trailing wheel overcoat (31).

6, as claim 1 fast bicycle, it is characterized in that in the interior cover of trailing wheel, being provided with vase plate (26), and in its both ends, be provided with ship shape plate (45).

7, bicycle as claimed in claim 1 is characterized in that in radius stay (15) below tension wheel (18) being housed.