CN2440744Y - Gear transmission bicycle - Google Patents

Abstract

The utility model relates to a gear transmission tricycle, a goods bucket is arranged at the front of a driver, two wheels in the front direction rotate flexibly. The utility model is suitable for the movable pitch or the people carrying the goods to use, and a gear transmission bicycle can be used for the bicycle competition or workers. Gear clusters (39), which are composed of a driving gear (22), a longitudinal gear (26), a synchronous longitudinal gear (28) and a loading gear (30), are respectively arranged in a frame (11), a rear wheel axle (34) and the housing of the rear axle housing (17). The utility model has no chain, the frame is short, and foot pedals (35) are arranged on both ends of the rear wheel axle (34). The utility model is a favorable practical appliance for carrying.

Description

Gear driving bicycle

The utility model relates to a kind of foot-operated gear transmission loading does not have the chain carrier, and tricycle is suitable for flowing and sets up a stall or loading person's use, and two wheel bicycles are suitable for bicycle race or working person uses.

At present, the bicycle that people use all is with the operation of chain pulling rear wheel, chain easily be stained with dust accelerate friction, damage fast, vehicle frame is long, tricycle goods bucket, two wheel bicycle shelf the cyclist after one's death, the cyclist can't see when goods was lost.

The purpose of this utility model provides a kind of without chain pulling rear wheel, and spurs rear wheel with gear transmission, tricycle goods bucket in the cyclist front, vehicle frame is short, be suitable for flowing and set up a stall or loading person; Two wheel bicycles are suitable for bicycle race or working person, are a kind of carriers easily.

Solution of the present utility model is: tricycle is at vehicle frame front end set direction axle, handlebar is pressed in the axis of orientation upper end, the axis of orientation lower end is by the direction swing arm, below the goods bucket left and right sides, press two direction front vehicle wheels, two direction front vehicle wheels are fixed by preceding oblique fork respectively, before tiltedly the side of sticking by oblique fork shaft, tiltedly fork shaft is fixed in the oblique fork shaft shell by two ball bearings, tiltedly the fork shaft shell is welded on the goods bucket left and right sides respectively, press vehicle seat at the perpendicular end of sticking of vehicle frame, press rear wheel in the perpendicular fork of vehicle frame lower end, press foot-operated at the rear vehicle shaft two ends, press gear cluster on rear vehicle shaft the right, foot-operatedly make driving gear drive vertical moving gear to rotate, act in load gear and the load gear pulling on the ring steel-tooth and be fixed on the movable spring steel-tooth outside the rear vehicle shaft right-hand member shell with synchronously vertical moving gear, make the rear wheel operation, can reach above-mentioned purpose.

Owing to adopt such scheme, make the more convenient practicality of loading person working person, only use four gears.

Below in conjunction with drawings and Examples, the utility model is further specified.

Fig. 1 is gear transmission tricycle front view;

Fig. 2 is gear driving bicycle rear wheel axle housing gear cluster longitudinal diagram;

Fig. 3 is gear driving bicycle frame sides view;

Fig. 4 is gear transmission two wheel bicycle lateral plans.

The utility model is made up of following four parts: first, by vehicle frame single-beam (1), vehicle frame tiltedly pitch the perpendicular fork of (2), vehicle frame (3), axis of orientation shell (4), vehicle seat (5), vehicle seat fixedly Luo silk (6), vehicle frame establish fixedly rear vehicle shaft ball bearing of main shaft hole (7), vehicle frame establish fixedly rear vehicle shaft ball bearing of main shaft hole breach Luo silk (8), vehicle frame establish fixing vertical movable gear shaft ball bearing of main shaft hole (9), vehicle frame establish fix indulge movable gear shaft ball bearing of main shaft hole breach Luo silk (10), brake lever moves hinge (87) and forms vehicle frame (11).

Second portion is by rear wheel watt (12), rear wheel watt lattice framing (13), rear wheel tire (14) rear wheel circle (15), rear wheel circle tie rod (16), rear vehicle shaft shell (17), rear vehicle shaft shell tie rod hole (18), rear vehicle shaft ball bearing (19), anti-silk mother Luo (20), fixing driving gear latch (21), driving gear (22), vehicle frame is rear vehicle shaft ball bearing of main shaft (23) fixedly, vertical movable gear shaft (24), fixing vertical moving gear latch (25), vertical moving gear (26), vertical movable gear shaft ball bearing of main shaft (27), synchronously vertical moving gear (28), synchronously vertical moving gear latch (29), load gear (30), ball bearing (31) in the load gear, ring steel-tooth (32) in the load gear, the movable spring steel-tooth (33) of load gear internal fixation outside the rear wheel axle housing, rear vehicle shaft (34) is ridden (35), foot-driven lever (36), fixing feet treadle Luo silk (37), rear vehicle shaft two ends mother Luo (38), form rear wheel, gear cluster (39).

Third part, tricycle handlebar (40), axis of orientation (41), axis of orientation two ball bearings (42), the oblique fork shaft shell of direction front vehicle wheel (43), the oblique fork shaft ball bearing of direction front vehicle wheel (44), the direction front vehicle wheel is tiltedly pitched (45), direction front vehicle wheel watt (46), direction front vehicle wheel watt lattice framing (47), direction front vehicle wheel shaft housing (48), direction front truck wheel shaft (49), direction front truck wheel rim tie rod (50), direction front truck wheel rim (51), direction front truck tire (52), direction front vehicle wheel direction fixed link (53), direction swing arm (54), fixing crawl hinge (55) under the goods bucket, direction is vertical, horizontal pull bar (56), pull bar moves hinge (57), direction synchronising (connecting) rod (58), the direction synchronising (connecting) rod moves hinge (59), the direction swing arm moves hinge (60), goods bucket (61), form direction front vehicle wheel (62).

The 4th part is formed brake component to a left side (65), rear wheel circle lock (66), rear wheel circle brake cable (67), rear wheel circle brake lever (68), the moving hinge (87) of rear wheel circle brake lever by rear wheel axle housing external brake (63), rear wheel axle housing external brake line (64), rear wheel axle housing external brake.

The detailed structure and the connection mode of above-mentioned tricycle each several part are as follows: vehicle seat (5) is pitched (3) upper end by erecting at vehicle frame, screw fixedly Luo silk (6) of vehicle seat, rear vehicle shaft (34) is penetrated rear wheel axle housing (17), press ball bearing (19) respectively at rear wheel axle housing (17) two ends, the place screws anti-silk mother Luo (20) respectively outside ball bearing (19), is rear wheel circle (15) center of circle with rear vehicle shaft (34) uniformly with rear wheel circle tie rod (16), strain through rear vehicle shaft shell tie rod hole (18), rear wheel tire (14) is pressed on rear wheel circle (15), the movable spring steel-tooth (33) of load gear internal fixation outside the rear wheel axle housing pressed at rear vehicle shaft shell (17) right-hand member, ball bearing in the load gear (31) by in load gear, encircle steel-tooth (32) both sides load gear (30) by in load gear on the ball bearing (31), rear vehicle shaft (34) two ends through vehicle frame fixedly rear vehicle shaft ball bearing of main shaft hole (7) indentation, there by advancing.From rear vehicle shaft (34) two ends vehicle frame fixedly rear vehicle shaft ball bearing of main shaft (23) by at vehicle frame fixedly rear vehicle shaft ball bearing of main shaft hole (7), screw the fixedly fixing Luo silk (8) in rear vehicle shaft ball bearing of main shaft hole of vehicle frame, vertical movable gear shaft ball bearing of main shaft (27) is pressed in vertical moving gear ball bearing of main shaft hole (9), fixedly Luo silk (10) of vertical movable gear shaft ball bearing of main shaft hole is tightened, vertical movable gear shaft (24) is penetrated in the vertical movable gear shaft ball bearing of main shaft (27), inner vertical movable gear shaft (24) by synchronously vertical moving gear (28), fixing by synchronously vertical moving gear latch (29), vertical moving gear (26) is pressed in vertical movable gear shaft (24) outer end, fixing by vertical moving gear latch (25), driving gear (22) by rear vehicle shaft (34) right-hand member by advancing, fixing by driving gear latch (21), by last rear wheel gear cluster guard shield (69) rear wheel watt (12) being pressed into vehicle frame tiltedly pitches among the perpendicular fork of (2) and vehicle frame (3), fixing by rear wheel watt lattice framing (13), foot-driven lever (36) one ends in the left and right sides are pressed into rear vehicle shaft (34) two ends, fixing by foot-driven lever Luo silk (37), screw rear vehicle shaft (34) two ends mother Luo (38), left and right sides foot-driven lever (36) other end is pressed foot-operated (35), it is vertical with tricycle vehicle frame single-beam (1) that vehicle frame axis of orientation shell (4) is weldingly fixed on goods bucket (61) rear end midway location, it is vertical with tricycle vehicle frame single-beam (1) that the oblique fork shaft shell of direction front vehicle wheel (43) is welded on goods bucket (61) position, the left and right sides, with direction front truck wheel shaft (49) is the center of circle, direction front truck wheel rim tie rod (50) is strained, direction front truck tire (52) is pressed on direction front truck wheel rim (51), the front end of direction front vehicle wheel direction of principal axis fixed link (53) is fixed on the direction front vehicle wheel tiltedly pitches (45) interior lower end, the direction front vehicle wheel is tiltedly pitched (45) lower end to be pressed at direction front truck wheel shaft (49) two ends, be tightened by direction front truck wheel shaft two ends mother Luo (80), the direction front vehicle wheel is tiltedly pitched (45) upper end to be penetrated in the oblique fork shaft shell of direction front vehicle wheel (43), fixing by the oblique fork shaft ball bearing of direction front vehicle wheel (44), direction front vehicle wheel watt (46) is penetrated the direction front vehicle wheel tiltedly to be pitched in (45), fixing by direction front vehicle wheel watt lattice framing (47), the moving hinge (59) of the rear end set direction synchronising (connecting) rod of direction front vehicle wheel direction of principal axis fixed link (53), the moving hinge of direction synchronising (connecting) rod that links opposite side direction front vehicle wheel direction of principal axis fixed link by direction synchronising (connecting) rod (58), the synchronous interlock of energy when its two front vehicle wheels direction is changed, in direction front vehicle wheel direction fixed link (53) rear end, establish the moving dumpling axle (57) of pull bar above the moving dumpling axle (59) of direction synchronising (connecting) rod, vertical by direction respectively, horizontal pull bar (56) is through fixedly crawl dumpling axle (55) and moving dumpling axle (57) binding of pull bar of goods bucket, axis of orientation (41) is penetrated axis of orientation shell (4), fixing by axis of orientation ball bearing (42), handlebar (40) is pressed in axis of orientation (41) upper end, axis of orientation (41) lower end is by direction swing arm (54), rear wheel axle housing external brake is pressed (65) in handlebar (40) lower-left, link rear wheel axle housing external brake (63) by rear wheel axle housing external brake line (64) simultaneously, rear wheel circle brake lever (68) by tiltedly pitching at vehicle frame on the moving hinge (87) of (2) brake lever, is linked rear wheel circle lock (66) by rear wheel circle brake cable (67) simultaneously.

The gear transmission tricycle vehicle frame axis of orientation shell (4) of this enforcement side is perpendicular to vehicle frame single-beam (1), handlebar (40), axis of orientation (41), axis of orientation shell (4) is 90 degree with vehicle frame single-beam (1) angle, the perpendicular fork of vehicle frame (3) is 80 degree with vehicle frame single-beam (1) angle, the front vehicle wheel of direction front vehicle wheel (62) is tiltedly pitched (45), the oblique fork shaft shell of direction front vehicle wheel (43) is a solid drawn pipe, it is vertical with vehicle frame single-beam (1) that vehicle frame axis of orientation shell (4) is weldingly fixed on goods bucket (61) rear end midway location, goods bucket (61) is common angle bar for its material of rectangle, iron sheet is made, axis of orientation (41) is extreme direction swing arm (54) down, its material of pull bar (56) is the 14# round steel, direction swing arm (54) moves hinge (60) by swing arm respectively with pull bar (56), pull bar moves hinge (57) and links, it is vertical with vehicle frame single-beam (1) that the oblique fork shaft shell of direction front vehicle wheel (43) is weldingly fixed on goods bucket (61) left and right sides midway location, handlebar (40) is pressed in axis of orientation (41) upper end, and rear wheel axle housing external brake (65) by in handlebar (40) lower-left, rear wheel circle brake lever (68) is by tiltedly pitching at vehicle frame on the moving hinge (87) of (2) brake lever, its material of gear cluster (39) is the 45# steel, when manpower acts on foot-operated (35), rotate together with synchronously vertical moving gear (28) by the vertical moving gear (26) of driving gear (22) transmission, acting on load gear (30) is fixed on the outer movable spring steel-tooth (33) of rear wheel axle housing by load gear inner circular tooth steel (32) pulling, make the rear wheel operation, it is vertical through each to make its direction swing arm (54) swing act on moving hinge (60) the pushing direction pull bar (56) of direction swing arm by handlebar (40) through axis of orientation (41), horizontal pull bar moves the rotation of hinge (57), make pull bar depart from the home position, make of the operation change direction operation of direction front vehicle wheel by the people, when people's pin stops stepping on, ring steel-tooth (32) stops operating in the load gear, and the outer movable spring steel-tooth (33) of rear wheel axle housing is rotated further by the rear wheel coherence.

Preceding oblique fork shaft (74) shell of gear transmission two wheel bicycle vehicle frames (11) of present embodiment and vehicle frame (11) single-beam angle are 100 degree; the perpendicular fork of vehicle frame (11) is 80 degree with vehicle frame single-beam angle; front truck tire (76) is pressed on front truck wheel rim (75); be center of circle tension by axletree (78) before the tie rod (77); the front truck wheel shaft by tiltedly pitch (73) lower end at front vehicle wheel; by front vehicle wheel watt lattice framing (89) front vehicle wheel watt (88) being fixed on front vehicle wheel tiltedly pitches in (73); if container (72) is by container lattice framing (71) support fixation; screw front truck wheel shaft mother Luo (79); rear wheel tire (14) is pressed on rear wheel circle (15); is center of circle tension by tie rod (16) with rear vehicle shaft (34); the perpendicular end of sticking of vehicle frame (11) is pressed vehicle seat (5); by vehicle seat fixedly Luo silk (6) be tightened; rear wheel is pressed in perpendicular fork lower end; press gear cluster (39); foot-operated (35); foot-driven lever (36); foot-driven lever (36) is fixing by foot-driven lever Luo silk (37); gear cluster guard shield (69) is pressed outside gear cluster (39) through rear wheel axis hole (70); shield; rear wheel watt (12) is pressed in perpendicular fork of vehicle frame (11) and the oblique fork of vehicle frame (11); fixing by rear wheel watt lattice framing (13); front truck wheel rim brake lever (81) is pressed in handlebar (40) bottom right; front truck wheel rim lock (82); link by front truck wheel rim brake cable (83); rear wheel circle brake lever (84) is pressed in handlebar (40) lower-left; rear wheel circle lock (85); link by rear wheel circle brake cable (86); vehicle frame (11); front vehicle wheel is tiltedly pitched (73); the oblique fork shaft of front vehicle wheel (74); handlebar (40); its material is a solid drawn pipe; its material of gear cluster (39) is the 45# steel; when manpower acts on foot-operated (35); rotate together with synchronously vertical moving gear (28) by the vertical moving gear (26) of driving gear (22) transmission; act on load gear (30); be fixed on the outer movable spring steel-tooth (33) of rear wheel axle housing by encircling steel-tooth (32) pulling in the load gear; make the rear wheel operation; can become the another example of the utility model; the utility model can be made into various ways, through on probation extremely convenient.

Claims (2)

1, a kind of gear driving bicycle is made up of vehicle frame, vehicle seat, handlebar, rear wheel, front vehicle wheel, foot-operated, gear, it is characterized in that: on bicycle rear vehicle shaft the right with the fixing vertical movable gear shaft ball bearing of main shaft hole of vehicle frame place's installation gear.

2, according to the said gear driving bicycle of claim 1, it is characterized in that described gear, vehicle frame is established fixedly rear vehicle shaft ball bearing of main shaft hole, and vehicle frame is established fixing vertical movable gear shaft ball bearing of main shaft hole, rear wheel is fixed in oblique the pitching with vehicle frame of vehicle frame and erects in the fork, rides and presses at the rear vehicle shaft two ends.Tricycle two direction wheels preceding, adhesion wheel after, two wheel bicycle direction wheels preceding, adhesion wheel after.

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