CN2175175Y

CN2175175Y - Force-aid for bicycle

Info

Publication number: CN2175175Y
Application number: CN93223380U
Authority: CN
Inventors: 马宝祥; 李祖敬
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-09-08
Filing date: 1993-09-08
Publication date: 1994-08-24
Anticipated expiration: 2003-09-08

Abstract

The utility model relates to a bicycle booster, comprising a gasoline engine, a subsidiary device of the gasoline engine, a supporting apparatus, an article-carrier, a support bar of the article-carrier, a tank suspension apparatus and a positioning apparatus for the joystick of the gasoline engine. After being bent upward, the rear part of the article-carrier extends backward and is nearly horizontal. The supporting apparatus is fixed on the article-carrier or the rear fork; the connecting board of the engine is connected to the supporting apparatus through a pin; a friction drive wheel with special patterns is arranged on the gasoline engine. The utility model is arranged in the left rear part of the bicycle, a closed place by the rear fork, the article-carrier and the article-carrier support bar. The utility model has the advantages of easy production and simple structure and is suitable for the gasoline engine of larger size, needing no speed reduction apparatus.

Description

Force-aid for bicycle

The utility model is put it briefly and is related to bicycle driving device, relates in particular to a kind of Accelarators for bicycles.

Bicycle is one of vehicle of the most generally adopting of people, in order to improve this human powered vehicle, make its save time, laborsaving or satisfy the needs of people's long-distance running, the existing in the market bicycle that servo-unit is installed.This servo-unit generally by engine petrol and subsidiary and bearing set composition, all is installed on below bicycle front fork, horizontal back vent, the crossbeam usually.In actual use, the servo-unit before being installed on the fork is laid particular stress on handlebar, influences the attractive in appearance of the alerting ability of handlebar and car; Be installed on below the crossbeam, influence is ridden, and the clothes of easily making dirty; And these two kinds of mounting structures are more complicated all, needs transformation of the way vehicle frame and uses special tyre; Main is that this servo-unit all adopts the spark ignition engine that power is little, rotating speed is high, need be used on the wheel by remaking behind the speed reduction gearing; And this spark ignition engine is on the high side, and service life is short.

If use power bigger, rotating speed is lower, does not need speed reduction gearing, low price, the spark ignition engine that the life-span is long, for example single-cylinder double stroke, the 1E40F Series Gasoline Engines of air cooling type is made servo-unit and is had lot of advantages, but as still be installed in above-mentioned position, then can give and ride and manipulation is made troubles.

The purpose of this utility model provides a kind of that power is big, and rotating speed is low, and larger-size spark ignition engine is installed in car rear portion left side, the Accelarators for bicycles in the zone that is surrounded by back vent, luggage carrier and luggage carrier strut bar.

The purpose of this utility model realizes in the following manner:

A kind of Accelarators for bicycles, after comprising that engine petrol and subsidiary thereof, bearing set, its rear portion upwards bend, substantially be luggage carrier, luggage carrier strut bar that level extends back, be fixed on the fuel tank suspension gear of luggage carrier bottom and be used for fixing on the upright beam of vehicle frame, its locating piece is towards the registration device of the described engine petrol joystick in left side, described bearing set is fixed on luggage carrier or the back vent, but described engine petrol connecting panel by bearing pin and described bearing set fine rotation link together.

The advantage of Accelarators for bicycles of the present utility model is: easy to manufacture, working accuracy is low, mounting structure is simple, be fit to use that oad is big, the engine petrol of rotating speed lower (need not slow down).There is the friction wheel of special decorative pattern very little, is applicable to the ordinary bicycle tire, do not need the purpose made tire the cycle casing wearing and tearing.

Other details of the present utility model and advantage can be read the embodiment that encyclopaedizes in conjunction with the accompanying drawings can be cheer and bright, wherein:

Fig. 1 is that Accelarators for bicycles of the present utility model is installed on the structural representation on the bicycle;

Fig. 2 is that the A of Accelarators for bicycles bearing set of the present utility model is to cutaway view;

Fig. 3 is the structural representation of the another bearing set of Accelarators for bicycles of the present utility model;

Fig. 4 is that Accelarators for bicycles engine petrol fuel tank suspension gear structure C of the present utility model is to cutaway view;

Fig. 5 is that bicycle rear mudguard suspension gear B was to cutaway view after Accelarators for bicycles of the present utility model was installed;

Fig. 6 is an Accelarators for bicycles joystick positioning device structure scheme drawing of the present utility model;

Fig. 7 is the decorative pattern figure of the utility model friction driving roller.

With reference to Fig. 1, this Accelarators for bicycles is made up of engine petrol 1 and subsidiary 2, bearing set 3, luggage carrier 5, luggage carrier strut bar 6, fuel tank suspension gear 7 and engine control lever registration device 8.Accelarators for bicycles is installed in the zone that is surrounded by back vent 4, luggage carrier 5 and luggage carrier strut bar 6 in bicycle rear portion left side, for ease of engine petrol 1 and subsidiary 2 thereof are installed between luggage carrier 5 and rear wheel, with luggage carrier 5 rear portions upwards after the bending, along continuous straight runs extends back again, make lengthening luggage carrier 5, because of luggage carrier 5 improves, its strut bar 6 also extends.For preventing that clothing from dropping, weldering one dihedral stop rack 11 on luggage carrier 5.

Fig. 2, Fig. 3 are the bearing sets 3 of engine petrol 1.Figure 2 shows that clipping bearing set, this clipping bearing set is made up of ∏ shape suspension bracket 3.0, top board 3.7 and fastening bolt 3.8, nut 3.9.∏ shape suspension bracket 3.0 is welded by transverse slat 3.1 and two risers 3.2 of two ends K/UP, the 3.2 bottom perforates of two risers.During use, top board 3.7 and ∏ shape suspension bracket 3.0 are clipped on the luggage carrier 5, use bolt 3.8, nut 3.9 fastening then, the bearing pin 3.4 that again an end is welded in the band boss on the engine petrol stay bearing plate 3.6 inserts in the hole of 3.0 liang of riser 3.2 bottoms of ∏ shape suspension bracket, and, engine petrol 1 can be suspended on the luggage carrier 5 with double nuts 3.3 pinnings.Be the locating sleeve 3.5 that keeps the distance between two risers 3.2 constant, be equipped with betwixt being enclosed within on the bearing pin 3.4.Clipping bearing set shown in Figure 2 is detouchable, and is easy to loading and unloading, but parts are more, and Fig. 3 is the fixed type bearing set, and cancellation clamping part 3.1,3.7,3.8,3.9 directly is welded in two risers 3.2 on the luggage carrier 5.Fig. 2, petrolic bearing set 3 shown in Figure 3 also can be installed on the back fork of bicycle 4.

Fig. 4 is the suspension gear 7 of engine petrol fuel tank 2.The ∏ shape link span 7.2 of burn-oning on fuel tank 2 tops is opened a bolt hole at an upper portion thereof, and the bolt 7.1 pad upper nuts 7.4 that are welded in luggage carrier 5 rear portions are inserted wherein, uses nut 7.3 fastening again.The another kind of structure of the suspension gear 7 of engine petrol fuel tank 2, two bolts of also can burn-oning at luggage carrier 5 rear portions, two the left-handed bolts of on fuel tank 2, burn-oning, during installation with threaded sleeve with upper and lower two pairs of bolted, loosening for preventing threaded sleeve, the available back of the body is female with its locking.

With reference to Fig. 5, for making things convenient for the installation of engine petrol 1, the bicycle rear mudguard is disconnected along horizontal, move down mudwing is latter half of then, make separated two mudwinges at a distance of about 50mm, so that the axle drive shaft of engine petrol 1 can move up and down therein, drive the friction wheel 12 and the clutch of tire cylindrical of driveshaft end.The mudwing latter half is fixing with suspension gear 9.The tommyhead bolt 9.1 of promptly on luggage carrier 5, burn-oning, with sheet iron make "

" shape hook 9.2, be drilled with through hole respectively at hook 9.2 upper and lower horizontal surfaces, on mudwing, bore a through hole, penetrate bolt 9.3.During installation, tommyhead bolt 9.1 and mudwing bolt 9.3 penetrate hook 9.2 on the luggage carrier 5, and be fastening with nut 9.4, fixes mudwing is latter half of.

Fig. 6 is the registration device 8 of servo-unit joystick 10, and a clevis bolt 8.1 is placed on the upright beam of bicycle, and the half moon clip 8.2 that the both sides that middle perforate is welded with locating piece 8.4 have through hole is enclosed within on the clevis bolt 8.1 in the left side of car, uses nut 8.3 fastening again.During use, joystick 10 is placed on the circular groove of locating piece 8.4 heads.

Fig. 7 is friction driving roller decorative pattern figure.Outside cylindrical basic circle 12.2, be axially uniform some smooth bumps decorative patterns.Decorative pattern top (away from axis direction) is a roundlet arc 12.1; Extend two little straight lines 12.3 along roundlet arc dia both sides tangential direction; These two straight lines link to each other with basic circle through transition fillet 12.4; Roundlet arc 12.1 and two parallel lines 12.3 constitute smooth bumps shape decorative pattern; Its middle conductor 12.1,12.3 can replace with other curve, as: hyperbola, involute, cycloid etc.; Knuckle 12.4 also can save.

The loading and unloading of Accelarators for bicycles of the present utility model is in diverse location by servo-unit joystick 10 to be realized, when joystick 10 is placed on locating piece 8.4 tops, engine petrol is in stress state, the friction wheel of engine petrol output shaft end contacts with the rear wheel cylindrical, driving engine 1 drives wheel and travels, when joystick 10 shifts out locating piece 8.4, when being stuck in locating piece 8.4 bottoms, engine petrol 1 unloading, the friction wheel of driving engine 1 output shaft end and rear wheel are thrown off, engine petrol 1 unloading, bicycle runs out of steam.Figure 1 shows that the engine petrol of homemade 1E40F series, this kind engine petrol market productive output is big, accessory rate height, and price is low, and the life-span is long, and mostly is province, city, ministerial level high-quality product.

Accelarators for bicycles of the present utility model, processing is simple, and is easy for installation, but integral installation is on bicycle.During installation, as long as original luggage carrier of bicycle and luggage carrier strut bar are pulled down, change luggage carrier of the present utility model and strut bar, again by the engine petrol of loading onto mentioned above, joystick registration device and fuel tank get final product, and Accelarators for bicycles of the present utility model can be used as global facility and sells on market, to transforming existing bicycle, improve the bicycle driving device, have great application prospect.

Claims

1, a kind of Accelarators for bicycles, comprise engine petrol (1) and subsidiary (2) thereof, bracing or strutting arrangement (3), after it is characterized in that also comprising that its rear portion upwards bends, substantially be the luggage carrier (5) that level extends back, luggage carrier strut bar (6), be fixed on the fuel tank suspension gear (7) of luggage carrier (5) bottom and be used for fixing and stand on the beam at bicycle, its locating piece is towards the registration device (8) of the described engine petrol joystick (10) in left side, described bearing set (3) is fixed on luggage carrier (5) or the back vent (4), described engine petrol connecting panel (3.6), by bearing pin (3.4) and described bearing set (3) but fine rotation connect.

2, according to the described Accelarators for bicycles of claim 1, it is characterized in that described bearing set (3) is by ∏ shape suspension bracket (3.0), top board (3.7) and with its be clamped in bolt (3.8) on luggage carrier (5) front portion or the back vent, nut (3.9) is formed.

3,, it is characterized in that described bearing set (3) is made up of two risers that are parallel to each other substantially (3.2) that directly are welded on luggage carrier (5) or the back vent (4) according to the described Accelarators for bicycles of claim 1.

4,, it is characterized in that the engine petrol output shaft end is equipped with the friction driving roller of special decorative pattern according to claim 2 or 3 described Accelarators for bicycles.Its decorative pattern is outside basic circle (12.2), is axially uniform some smooth bumps decorative patterns, and these protruding patterns are surrounded as by line segment (12.1) and (12.3) and knuckle (12.4).

5,, it is characterized in that described engine petrol fuel tank suspension gear (7) has the ∏ shape link span (7.2) of perforate and the bolt (7.1) and nut (7.3), (7.4) that are welded on the luggage carrier (5) to form by the top water flat board that is welded on the fuel tank (2) according to the described Accelarators for bicycles of claim 4.

6, according to the described Accelarators for bicycles of claim 5, it is characterized in that described engine petrol fuel tank suspension gear (7) is by the bolt and the left-handed bolt that directly are welded on luggage carrier (5) and the fuel tank (2), the threaded sleeve and the back of the body are female to be formed.

7, according to claim 5 or 6 described Accelarators for bicycles, it is characterized in that described rear mudguard suspension gear (9) is by the tommyhead bolt (9.1) that is welded on the luggage carrier (5), "

" shape hook (9.2) and bolt (9.3) and nut (9.4) composition that itself and rear mudguard are linked together.

8, according to the described Accelarators for bicycles of claim 7, the registration device (8) that it is characterized in that described servo-unit joystick (10), be by the clevis bolt (8.1) that is placed on the upright beam of bicycle, be welded with the clip (8.2) of locating piece (8.4) and nut (8.3) composition that clevis bolt (8.1) and clip (8.2) are linked together.

9,, it is characterized in that being welded with a dihedral stop rack (11) in the front portion of luggage carrier (5) according to the described Accelarators for bicycles of claim 8.

10,, it is characterized in that described engine petrol (1) is 40 millimeters air cooling types of single-cylinder double stroke cylinder diameter (1E40F series) engine petrol according to the described Accelarators for bicycles of claim 9.