CN2259349Y

CN2259349Y - Lever driven power-saving variable speed travelling bicycle

Info

Publication number: CN2259349Y
Application number: CN 96225846
Authority: CN
Inventors: 王自申
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-04-10
Filing date: 1996-04-10
Publication date: 1997-08-13
Anticipated expiration: 2006-04-10

Abstract

The utility model relates to a lever driven laboursaving travelling bicycle with variable speed, and the utility model is composed of a bicycle frame, wheels, a bicycle seat, etc. The utility model is characterized in that the bicycle frame is a box type protecting cover, the lower part of the protecting cover is provided with an opening, and one wheel provided with an actuating shaft is installed in the protecting cover; two levers are distributed on the both sides of the bicycle frame, a handle is installed on each of the force points of the levers, lever fulcrums are fixed on the lower part of the front side of the bicycle frame by hinge pins, the pivots of the levers are combined with connecting rods through moveable balls, connecting rod bearings are connected with cranks arranged on the both sides of the middle wheel shaft of a driving variable shaft, and the directions of the cranks are opposite to each other and form an angle 180 DEG; a handle shaft is arranged on and movably connected with the front lower end of the bicycle frame, and two wheel carriers provided with supporting wheels are arranged under the handle shaft. The utility model has the advantages of novel and simple structure, small size and light weight; besides, the utility model is convenient to carry.

Description

Lever actuated force-saving speed-varying touring bicycle

The utility model relates to a kind of traffic means of transport, provides a kind of by hand-drive especially, the laborsaving touring bicycle that structure is small and exquisite.

Development along with society; human progress; communications and transportation was very flourishing already; the different automotive vehicle of different function is full of streets and lanes; but because the small volume and less weight of bicycle; so far remain indispensable walking-replacing tool, particularly in today that environmental protection comes into one's own day by day, bicycle that need not any power is subjected to more common approval.The developing history of bicycle has had more than hundred year, but more laborsaving so far speed is faster, and volume is littler, and the bicycle that weight is lighter remains the target that people pursue.In order to make the bicycle volume littler, weight is lighter, and is various collapsible, and the bicycle of various materials continues to bring out.But structurally bicycle is transformed to obtain more not occurring as yet of portable bicycle so far.

The purpose of this utility model is to provide a kind of novelty simple in structure, and volume is small and exquisite, and is in light weight, the lever actuated force-saving speed-varying touring bicycle of being convenient to carry.

The utility model provides a kind of lever actuated force-saving speed-varying touring bicycle, by vehicle frame, wheel, formations such as vehicle seat, it is characterized in that, vehicle frame 1 is the box guard shield of a bottom opening, the wheel 14 of installing one band axle drive shaft 13 in the guard shield, two levers 3 are distributed in vehicle frame 1 both sides, lever force is decorated handle, and balance pivot 5 usefulness hinge pins are fixed on below, vehicle frame 1 front side, and lever emphasis 6 usefulness live ball 45 combine with connecting rod 44, connecting rod bearing links to each other with wheel shaft 8 both sides cranks 41 in the driving variable shaft 13,180 ° of the opposite one-tenth of crank 41 directions; There is a bonded assembly active with it vehicle frame 1 preceding lower end axle 55, the wheel carrier 57 of two band support wheels 64 of axle 55 belows.Very heavy I32 and wheel shaft 8 are connected in the described driving variable shaft 13, and ratchet is fixing with axle skin 21, and very heavy II33 links to each other with sun wheel A34, tie-rod H35 links to each other with wheel shaft 8, adorn a pair of planetary wheel B36 and sun wheel A34 engagement on it, speedup internally toothed annulus 9 joins with displacement bar 15, is stirred by shifting fork assembly.Two right axle bowls 16 of not revolving part that are fixed on the vehicle frame 1, left side axle bowl 26 places between two revolving part axle skins 21 and the wheel shaft 8.Described lever 3 is the movable joint structure in fulcrum 5 upper ends.Vehicle seat has four vertical rods 52 for 2 times, is with spring 53 in the vertical rod, is set in vehicle frame 1, and spacing handle 47 links to each other with locating dowel pin 51 by tightrope, and locating dowel pin 51 is embedded in the vertical rod gap.Described handlebar 9 rotation sets are on an axle 55.

The utility model has been simplified mechanism greatly, and former bicycle is made up of various parts in addition, but has only a driving wheel, and the utility model removes all parts in addition, only stays a driving wheel, gets on to bring into play the function of bicycle at this wheel.Wheel dwindles, and adopts Φ φ 400mm (can also narrow down to Φ 300mm), and the guard shield of wheel is exactly a vehicle frame, wide 100mm, front end is established a pair of steamboat 70mm, and supporting is again a wheel flutter, forms stable three points of contact structure with single wheel, because what the utility model drove and speed change all realizes on an axle, hand lever force by connecting rod, makes crank be garden Zhou Yundong, very heavy I is connected with axle, ratchet is fixed with the axle skin, and the axle rotation drives very heavy I, stirs ratchet, wheel advances, be Chang Su, at this moment, very heavy II is not connected with axle, link to each other with sun wheel A (flower wheel), tie-rod H links to each other with axle, and planetary wheel B (driving wheel) and sun wheel A are meshing, when axle rotates with tie-rod H, planetary wheel B just itself rotates, and very heavy II is inoperative; When wanting speedup internally toothed annulus C (fixed wheel) and planetary wheel B meshing, sun wheel A (flower wheel) speedup, very heavy II stirs ratchet, and wheel advances, and because of very heavy II rotating speed is higher than very heavy I, very heavy I skids inoperative.Two levers all are driving links, and the useful work angle range is greater than 180 °, the no dead angle of doing work, and vehicle seat is by 4 spring-loaded dampings, and height is adjustable.

The utility model lever actuated force-saving speed-varying touring bicycle, the advantage that has is that compact conformation is small and exquisite, volume has only 450mm * 420mm * 100mm, as using Φ 300mm wheel, volume can reach 350mm * 320mm * 100mm, and is multiple functional, can be folding, can do multiple use, can work as seat when not riding, also can work as waggon and transport thing, the variable-ratio of riding, two levers firmly increase strength, alleviate muscle power, and lever is desirable to be placed down in the guard shield, vehicle seat can lifting have damping, handlebar is collapsible, and the two jiaos of top covers in guard shield top pull out can make clothes hanger, the bag of letting go, can do Storage Box in two jiaos, three points of contact is ridden steadily, safe and reliable, the batch manufacturing guard shield, wheel rim can adopt the engineering plastics die casting moulding, weight is lighter, manufacturing process is simple, assemble easy to maintenance, conservation, cheap, be that Modern Traffic is the lightest and the handiest, most convenient, most economical accessory appliances.

Below in conjunction with embodiment and accompanying drawing, the utility model is further specified:

Fig. 1 is the utility model body construction figure

Vehicle frame 1 (removing outer cover); Vehicle seat 2; Arm of force pull bar 3; Rim brake 4; Balance pivot 5; Lever emphasis 6; Supporting wheel flutter 7; Wheel shaft 8; Handlebar 9; Connecting rod 10, speed change pull bar 11; Crank 12 drives variable shaft 13; Wheel 14.

Fig. 2. driving collects wheel shaft in integrative-structure figure with speed change

Displacement bar 15; Right axle bowl 16; Ball 17; Right axle kink 18; Internally toothed annulus C (fixed wheel) 19; Axle skin (21); Connecting panel key 22; Flathead screw 23; Shaft-use elastic gear ring 24; Left side axle kink 25; Left side axle bowl 26; Locknut 27; Rear axle shelves 28; Elasticity garden pin 29; Topping bracket 30; Very heavy plate washer 31; Very heavy I32; Very heavy II33; Sun wheel A (flower wheel) 34; The nuclear H35 of system; Satellite gear B (driving wheel) 36 planet wheel spindles 37; Shaft-use elastic gear ring 38; Bearing outside 39; Bearing inner sleeve 40; Crank 12; Shifting fork assembly 42; Locknut 43; Connecting rod 10; Live ball 45; Live ball holder 46.

The damping of Fig. 3 vehicle seat, lifting structure figure

Spacing handle 47; Seat cushion 48; Seat ring backing plate 49; Locating dowel pin 50; Activity orientation post 51; Vertical rod 52; Spring 53; Locating bush 54;

Fig. 4 supports bogie wheel configuration figure

Axle 55; Axle sleeve 56; Wheel carrier 57; Locknut 58; Grip 60; Wheel shaft 61; Bearing 62; Ring washer 63; Rubber tire 64;

Fig. 5 shifting fork assembly

Shift fork 65; Bearing pin 66; Spring 67; Set collar 68;

Embodiment

See also shown in Figure 1

Vehicle frame 1, single wheel guard shield skeleton is this vehicle main body, vehicle seat 2, by 4 vertical rods and spring-loaded, bumper and absorbing shock is just adjustable up and down.3 two on arm of force pull bar is connected desirable being placed down in the guard shield with movable joint above the balance pivot 5.Balance pivot is fixed on front lower place, vehicle frame both sides with hinge pin.Rim brake 4 is fixed on the arm of force pull bar, and brake is convenient, but backguy is connected the breakout force arm brace at the movable joint place with hook with wheel axis.Lever emphasis 6 promptly is a live ball 45, by overcoat in connecting rod 10 and the

bearing

39,40, makes crank 12 (two) be garden Zhou Yundong, forms two quadric linkages, 8 rotations of swing arm of force pull bar wheel shaft, and wheel advances.7, two steamboats of supporting wheel flutter are located at the guard shield front lower place, stand like the legs of a tripod with single wheel, and car can be stood alone, ride steadily.Handlebar 9 stretches out from both sides and to be the stance of riding, axle of the shared handlebar of two steamboats, and the very natural domination steamboat of pin turns to.Speed change pull bar 12 is located at and drives variable shaft 13 spindle nose places, but by the shift fork direct change.

Shown in Figure 2, drive variable shaft, be normal fast position

Become pull bar 15, right axle bowl 16, left side axle bowl 26 these two be swivel not, fixing with vehicle frame 1, axle skin 21 and wheel are one, are divided into two bodies with the driving variable shaft, with 4 on connecting panel key, also be the connecting element that drives variable shaft, be connected with the axle skin, be fixed on the skin with shaft-use elastic gear ring 24 again, be convenient to dismounting and maintenance, topping bracket 30, fixing with elasticity garden pin 29 with wheel shaft 8, when the wheel shaft rotation drives very heavy I32, the ratchet that promotes on the axle kink 25 of a left side rotates, and wheel advances, and this is Chang Su, though this moment, bar H35 fixedly was a driving link with axle, assembling planetary wheel B36, with sun wheel A39, often meshing, sun wheel A is again that very heavy II33 base is not connected with axle itself, when running at a constant speed, tie-rod H also changes with axle, but planetary wheel B is rotation, can not promote sun wheel A, this moment, very heavy II did not reinstate.Internally toothed annulus C19 when needing speedup, with two chutes on the right axle bowl 16, with fluting awl end fixing screw, slip matches, and right axle bowl is a swivel not, and internally toothed annulus C does not rotate, and is fixed wheel.Stir speed change pull bar 11,, make internally toothed annulus C and planetary wheel B meshing by shifting fork assembly 42, displacement bar 15.This moment planetary wheel B, it is speedup that the rotating speed of sun wheel A is compared, hand of rotation is identical.Sun wheel A drives very heavy II and promotes the ratchet rotation, and the speed of a motor vehicle is accelerated, and because of the drilling speed of very heavy II is higher than very heavy I, very heavy I can not skid and does usefulness.

Shown in Figure 3:

Vehicle seat is made up of seat cushion 48, seat ring backing plate 49, with 52 4 of vertical rods, inserts in four sleeve pipes on the vehicle frame.Sleeve pipe built-in spring 53 mixes up compression ratio, and with locating bush 54 that spring is spacing, four vertical rods itself are not connected with spring, pass from spring center, and vehicle seat is directly fallen at the end.When vehicle seat was adjusted to certain height, by activity orientation post 51, locating dowel pin 50, locating dowel pin were fixed on the activity orientation post.In spring is arranged, locating dowel pin is the state of often locking.Four vertical rods have the pin-and-hole nest on each height.When locating dowel pin and vertical rod pin-and-hole nest were locked, vehicle seat was on four springs.There is elongated slot four sleeve pipe inboards, and activity orientation post, locating dowel pin, vehicle seat are prolonging the inboard elongated slot of sleeve pipe, up and down buffering along with the elasticity of spring.In the time of vehicle seat need being fallen the end, by spacing handle 47, locating dowel pin is pulled out vertical rod pin-and-hole nest, vehicle seat can directly be fallen at the end.Spacing handle rotates once with a rotating shaft, four locating dowel pins of may command, and the vehicle seat lifting is convenient.

Shown in Figure 4:

The supporting wheel flutter, axle 55 tops and guard shield front lower place are movably connected, bottom and wheel carrier 57 usefulness square cotters are fixed, and axle sleeve 56 adopts nylon material, and the locknut 58 of outwarding winding can take off handlebar 9, be placed on the wheel carrier rear, shorten width, rubber tire 64 adopts solid colloid, wheel hub can adopt punching press, perhaps makes with engineering plastics.

Shown in Figure 5:

Shifting fork assembly: shift fork 65 is fixed on set collar 68 upper and lower slotted holes and displacement bar 15 is movably connected with bearing pin 66.Top directly links to each other with speed change pull bar 11, during speed change the speed change pull bar is extracted out to stir the displacement bar and advance inwards and reach the speed change purpose.

Claims

1. lever actuated force-saving speed-varying touring bicycle, by vehicle frame, wheel, formations such as vehicle seat, it is characterized in that, vehicle frame (1) is the box guard shield of a bottom opening, the wheel (14) of installing one band axle drive shaft (13) in the guard shield, two levers (3) are distributed in vehicle frame (1) both sides, lever force is decorated handle, and balance pivot (5) is fixed on below, vehicle frame (1) front side with hinge pin, and lever emphasis (6) combines with connecting rod (44) with live ball (45), connecting rod bearing links to each other with wheel shaft (8) both sides cranks (41) in the driving variable shaft (13), and crank (41) direction becomes 180 ° on the contrary; There is a bonded assembly active with it the preceding lower end of vehicle frame (1) axle (55), the wheel carrier (57) of two band support wheels (64) of axle (55) below.

2. by the described lever actuated force-saving speed-varying of claim 1 touring bicycle, it is characterized in that: very heavy I (32) is connected with wheel shaft (8) in the described driving variable shaft (13), ratchet is fixing with axle skin (21), very heavy II (33) links to each other with sun wheel A (34), tie-rod H (35) links to each other with wheel shaft (8), adorn a pair of planetary wheel B (36) and sun wheel A (34) engagement on it, speedup internally toothed annulus (9) joins with displacement bar (15), is stirred by shifting fork assembly.

3. by the described lever actuated force-saving speed-varying of claim 2 touring bicycle, it is characterized in that: two right axle bowls of not revolving part (16) that are fixed on the vehicle frame (1), left side axle bowl (26) places between two revolving part axle skins (21) and the wheel shaft (8).

4. by claim 1,2 described lever actuated force-saving speed-varying touring bicycles is characterized in that: described lever (3) is the movable joint structure in fulcrum (5) upper end.

5. by claim 1,2 described lever actuated force-saving speed-varying touring bicycles, it is characterized in that: four vertical rods (52) are arranged under the vehicle seat (2), be with spring (53) in the vertical rod, be set in vehicle frame (1), spacing handle (47) links to each other with locating dowel pin (51) by tightrope, and locating dowel pin (51) is embedded in the vertical rod gap.

6. by the described lever actuated force-saving speed-varying of claim 5 touring bicycle, it is characterized in that: described handlebar (9) rotation set is on an axle (55).