CN2728899Y

CN2728899Y - Two-seat two front wheels recreation tricycle

Info

Publication number: CN2728899Y
Application number: CN 200420089978
Authority: CN
Inventors: 王建设
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-09-29
Filing date: 2004-09-29
Publication date: 2005-09-28
Anticipated expiration: 2014-09-29

Abstract

The utility model discloses a two-seat two front wheels shrinkage recreation tricycle, comprising a front beam, a big beam, and the low gravity center frame of an oblique beam. The distance of the big beam to the ground is smaller than 120mm, and the front end of the front beam is connected with the chain-driven flywheel of a pedal. The two sides of the front beam are provided with equal-distance front wheels which are connected by a vertical fork and a horizontal fork. The opposite axle end of the two front wheels is connected with a steering and folding mechanism, a braking and parking mechanism, a double seat chair and a motor. The steering and folding mechanism comprises a front axle support base, a vertical turning axle, an axle sleeve, a folding positioning hole, a horizontal axle sleeve whose opening positioning hole is connected with the big beam, a left connecting rod, a right connecting rod, a front wheel steering axle sleeve, a steering plate, a left drawing rod, a right drawing rod and a turning plate. The braking and parking mechanism comprises a handle bar pipe, a transverse rod, a left upright rod, a right upright rod and an arm rest. The back wheel of the motor is provided with an electric storage box which can provide electricity for driving the flywheel. The utility model has low gravity center, stable running, dual purposes of labor power and electric power, easy learning, easy control, comfortable sitting and convenient and safe driving. The two-seat two front wheels shrinkage recreation tricycle can satisfy the learners of different ages and is an ideal vehicle for touring and entertaining.

Description

Double seat formula two front-wheels shrink the leisure tricycle

Technical field

The utility model relates to the bicycle traffic instrument, can be applicable to that especially a kind of double seat formula two front-wheels old, young, that drive the person of riding less shrink the leisure tricycle.

Background technology

At present, existing bicycle, three-wheel vehicle are of a great variety, and it is made up of vehicle body, front-wheel, one or two trailing wheels, handlebar direction control mechanism, vehicle frame, vehicle seat, pedal, chain drive, flywheels, and they have following shortcoming and defect part:

1, saddle is narrow, center of gravity is high, it is extremely inconvenient to take, and especially the old,weak,sick and disabled person, women and children's inconvenience are driven and ridden, and the center of gravity height, and during turning, ice and snow road is easy to break away, and makes the vehicle overturning, involves to fall and bumps injured even lead to traffic casualties, and is very dangerous.

2, saddle, handle bar structure are not suitable for people's normal activity physiology attitude, drive the person of riding and must keep hig diligence power, and its mental burden is overweight, are easy to tired outly, and long-distance driving when riding more very is unfavorable for physical and mental health.

3, operation stability is poor, and especially bicycle is driven the person of riding and must be grasped certain technology of riding of driving, so that has restricted the extensive utilization of people to it.

4, existing three-wheel vehicle car body is bigger, and inconvenience is stored.

Summary of the invention

The utility model purpose is the defective that exists in prior art and weak point and provide that both to have center of gravity low, driving rides sail stable, drive and ride safe ready and can satisfy all ages and classes section again to drive the person of riding easy to learn, and seat comfortable a kind of double two front-wheels shrink the leisure tricycle.

The purpose of this utility model realizes with following technical scheme: double seat formula two front-wheels shrink the leisure tricycle by upright fork, before the chain stay bonded assembly, trailing wheel, band-type brake, the handlebar direction control mechanism, vehicle frame, vehicle seat, the pedal chain-driving, flywheel is formed, be characterised in that: its structure is mainly by front-axle beam is arranged, crossbeam, the low center of gravity vehicle frame of cant beam, before, the flat cover of rear axle, front-wheel steering, fold mechanism, dual seat, the motor of battery-driven driving flywheel, stop, the handgrip control mechanism of Parking, luggage carrier is formed, make crossbeam overhead below 120mm, front-axle beam is welded at its two ends respectively, cant beam constitutes the low center of gravity vehicle frame, become 115 ° of angles above the crossbeam with cant beam, the front-axle beam front end connects a left side, the flywheel that the right pedal chain-driving drives, before adorning on the crossbeam, the dual seat of back seat, its front end below connects the flat cover of front axle, the equidistant symmetry in front-axle beam both sides is equipped with and is connected upright fork, front-wheel on the chain stay, adorn band-type brake on two fronts wheel spindle respectively, in the flat cover of front axle, load is connected to the front-wheel steering of two front-wheel axial end, fold mechanism, the crossbeam rear end connects the flat cover of rear axle, symmetry is packed into and is connected with the back chain stay of trailing wheel in the flat cover of rear axle, adorn rear shock absorber on the back chain stay, dress is driven the motor of flywheel by storage battery power supply on the same hind axle of manpower driving flywheel one side.

Described low center of gravity vehicle frame, by front-axle beam, crossbeam, cant beam, plate is adjusted at the seat, before, rear shock absorber, before, back brace panel, the back seat permanent seat, the back seat fixed orifice, luggage carrier is formed, the front-axle beam back segment is crotch shape, curved ditch is terminal to join with the crossbeam front end, and be welded with preceding brace panel, both sides, crossbeam leading portion top connect symmetrical seat and adjust plate, on the two beam sections of adjusting between plate, load is connected to an end of the front shock absorber of bearing, the other end of front shock absorber is connected on the preceding shaft stool, the crossbeam back segment has the back seat permanent seat, the crossbeam rear end connects cant beam, be 115 ° of angles with cant beam above the crossbeam, and be welded with the back brace panel and on the bearing of cant beam middle part, adorn with the luggage carrier of link supports respectively and be connected in an end of the rear shock absorber of bearing, the other end of rear shock absorber joins with the back chain stay, and the back seat fixed orifice is arranged in the cant beam upper surface.Described front-wheel steering, fold mechanism, be loaded on the relative upright fork lower end of two front-wheel axle heads, divide a left side, right steering, fold mechanism, respectively by preceding shaft stool, vertical rotation axis, the vertical axle sleeve that matches with vertical rotation axis, the hole, folding position, open a hole, the flat horizontal axle sleeve that is connected with axle that overlaps of front axle with crossbeam, a left side, right connecting rod, a left side, vertical axle sleeve on the right connecting rod, the rotating shaft cover, the left side that upright fork lower end joins, the right steering axle, a left side, the right steering plate, a left side, right pull bar, left side on the handlebar, the right steering plate is formed, the axle sleeve bearing is by last, lower plate, rear quarter panel bonded assembly member, last, the lateral surface center of lower plate is processed with concentric vertical axle sleeve, be respectively equipped with the hole, folding position in vertical axle sleeve both sides, open a hole, encapsulation has the locating dowel pin of spring respectively in two holes, dress and the flat horizontal axle sleeve that is connected with axle that overlaps of front-axle beam front axle on rear quarter panel, the vertical duction axle is packed in the with one heart vertical axle sleeve, make a left side, the vertical axis cover of right connecting rod one end is stacked on the axle sleeve bearing, on the vertical duction shaft part between lower plate, on a left side, the upright fork place that the off front wheel axle head is relative is welded with brake drum of front wheel right hand and left hand respectively, the right steering axle, corresponding with it, on a left side, the other end of right connecting rod is welded with a left side, the right steering cover, ball is housed in the turning sleeve, a left side, the right steering axle is respectively charged into brake drum of front wheel right hand and left hand, in the right steering cover, make the steering hardware can be around vertical rotation axis rotation from 49.3 ° to 108.8 °, simultaneously, on a left side, right steering axle place connects a left side, the right steering plate, this plate respectively be parallel to a left side, the left side of right connecting rod, one end of right pull bar is hinged, the other end is the left side of articulator handle respectively, on the right steering plate, so just make a left side, right connecting rod, a left side, right pull bar, a left side, the off front wheel deflecting plate, a handlebar left side, the right steering plate has constituted the connecting rod mechanism of two parallelogram, and on same plane, guaranteed that front-wheel nose wheel angle direction when open position and folding position is constant, at this moment, by being with the left side of spring, right locating dowel pin is inserted in the hole, folding position or opens in the hole, make a left side, right connecting rod is fixed on folding, the control position of opening is realized a left side, off front wheel is in not working position and is collapsible or travel normally at the working position place.Distance between two front-wheels can fold 500mm from 800mm, and is convenient to store.Described stopping, the handlebar control mechanism of Parking is connected on the preceding shaft stool, by the handlebar tube that rotating shaft is arranged down, crossbeam, a left side, right vertical rod, a left side, right handrail is formed, on preceding shaft stool, be welded with the axle sleeve that the handlebar tube rotating shaft is rotated, the bottom rotating shaft of handlebar tube is packed in the cover, the central siphon upper end connects crossbeam, crossbeam two ends symmetry connects a left side upwards, right vertical rod, vertical rod upper end symmetry connects a left side longitudinally, right handrail, a left side, high back was low before right handrail was, skin is wrapped up in the soft material similar to sofa, at the front end dress handgrip of right handrail, the Front brake handle, motor, the light control handle is at the front end dress handgrip of left handrail, back brake handle, the Parking handle.Control two front-wheel band-type brakes by right handrail, motor, light, Parking when left side handrail control trailing wheel band-type brake and parking, before its control effort all is delivered to by soft drawn wire, the outer soft left side of the rotation of back band-type brake, right handrail, control direction of traffic, outer soft handgrip also plays a left side, the effect of right protection collision, described dual seat, before having, back seat, be installed on the crossbeam, front chair is by preceding, back U-shaped supporting leg supports seat cushion, by preceding, back reaction plate is fixed on the crossbeam seat and adjusts on the plate, is connected and fixed by adapter plate and bearing under the back seat, and top is threaded in the fixed orifice of cant beam upper surface by back support rod, before, rear seat back is respectively 25 ° from the bottom up, 35 °, 15 ° inclination angle backward, the seat cushion of front chair is by plank, foamed plastic, lining is made, back seat cushion and before, back backrest lining is netted nylon braid, and with the drawstring tighten on seat frame, combine the above technical measures of being taked, realize the purpose of this utility model.

Compared with prior art, it is low that the utility model not only has center of gravity, driving rides sail stable, front and rear wheel has band-type brake, brakig force distribution rationally balanced, turn to brisk, flexible, can fold, and can be widely used in all age group disease, residual, old, that the children drives the person of riding is easy to learn, it drives and rides conveniently, safe and reliable, be seated comfortable.

Description of drawings

The utility model has three width of cloth accompanying drawings, wherein:

Accompanying drawing 1 is the main apparent structure scheme drawing of the utility model specific embodiment

Accompanying drawing 2 is birds-eye vieies of Fig. 1

Accompanying drawing 3 is lateral plans of Fig. 1

Among the figure: 1, left and right pedal 2, upright fork 3, left and right brake handle 4, handgrip

5, left and right handrail 6, left and right vertical rod 7, seat cushion 8, forward and backward back of seat

9, U type supporting leg 10, seat are adjusted plate 11, back seat adapter plate 12, bearing

13, cant beam 14, luggage carrier 15, strut bar 16, motor-driven flywheel

17, manually driven flywheel 18, trailing wheel 19, drive of motor chain 20, motor

21, back chain stay 22, rear shock absorber 23, the flat cover 24 of rear axle, back brace panel

25, mounting electricity storage pack 26, crossbeam 27, front shock absorber 28, preceding brace panel 29, the flat cover of front axle

30, front-axle beam 31, preceding chain stay 32, left and right front-wheel 33, band-type brake 34, pedal axle sleeve

35, left and right front-wheel steering axle 36, preceding shaft stool 37, left and right connecting rod

38, left and right steering column jacket 39, brake drum of front wheel right hand and left hand, right steering plate 40, left and right pull bar

41, the left and right deflecting plate 42 of handlebar, left hand and right hand are 43, have a handlebar tube of rotating shaft down

44, crossbeam 45, vertical rotation axis 46, vertical axle sleeve 47, hole, folding position

48, open the locating dowel pin 50 of a hole 49, sleeve spring, the horizontal axle sleeve on the preceding shaft stool

51, the vertical axle sleeve of left and right connecting rod

The specific embodiment

Fig. 1,2, it shown in 3 specific embodiment of the utility model, by upright fork 2, preceding chain stay 31, back chain stay 21 is two parallel front-wheels 32 of bonded assembly respectively, trailing wheel 18, before, the diameter of rear wheel is that (2 ") are preceding; trailing wheel 32; band-type brake 33 is arranged; handlebar direction control mechanism; vehicle frame; vehicle seat on 18 respectively for 555.8mm, a left side, right pedal 1 drives flywheel 17 compositions that chain-driving drives, feature comprises: front-axle beam 30, crossbeam 26, the low center of gravity vehicle frame of cant beam 13 welding, the pedal axle sleeve 34 of front-axle beam 30 front ends in the vehicle frame connects a left side, the manpower that the chain-driving of right pedal 1 drives on 18 of the trailing wheels drives flywheel 17, band-type brake 33 joins, the terminal front end with crossbeam 26 of the crotch of front-axle beam 30 joins, crossbeam is 120mm with the ground identity distance, and brace panel 28 before being welded with, crossbeam 26 front ends weld the flat cover 29 of front axle downwards, in the flat cover 29 of front axle the symmetry connection comprise by on, lower plate, the preceding shaft stool 36 that rear quarter panel constitutes, on preceding shaft stool 36, processing can make the concentric vertical axle sleeve 46 that has that vertical steering shaft 45 matches on the lower plate, the flat cover of the front axle 29 horizontal axle sleeves 50 that join with crossbeam 26 front ends are arranged on the rear quarter panel, be with the left side of spring, right locating dowel pin 49, hole, folding position 47, open a hole 48, dress vertical rotation axis 45 in the vertical axle axle sleeve 46 of preceding shaft stool 36, on preceding shaft stool 36, a closed assembly left side on the shaft part of the vertical rotation axis 45 between lower plate, the vertical axle sleeve 46 of right connecting rod 37 rear ends, a left side, right connecting rod 37 front ends connect respectively can with a left side, the left side of off front wheel steering shaft 35 normal-running fiies, right steering axle sleeve 38, a left side, adorn ball in the right steering axle sleeve 38 respectively, on a left side, upright fork 2 lower ends of off front wheel 32 connect a left side respectively, right steering axle 35, a left side, right steering plate 39, a left side, right steering plate 39 is a hinged left side respectively, one end of right pull bar 40, a left side, the other end of right pull bar 40 is hinged on the left side of handlebar respectively, on the right steering plate 41; Seat on crossbeam 26 is adjusted plate 10, before being equipped with on the back seat adapter plate 11, the dual seat of back seat, the seat cushion 7 of front chair is used plank, foamed plastic, lining is made, before the seat cushion 7 of back seat reaches, the lining tighten of the netted knitting of rear seat back 8 usefulness nylon is on seat frame, adjust plate 10 middle ends that connect front shock absorber 27 at the seat of crossbeam 26, the other end of front shock absorber 27 is connected on the preceding shaft stool 36, be 115 ° of angles with cant beam 13 above the crossbeam 26, and welding brace panel 24, there is the flat cover 23 of rear axle the rear end of cant beam 13, the back chain stay 21 that dress is connected with trailing wheel 18 in the flat cover 23 of rear axle, 18 of trailing wheels are gone up dress with mounting electricity storage pack 25 power supply chain drive-belts 19, the motor 20 of flywheel 16, an end that connects rear shock absorber 22 in chain stay 21 stage casings, back, the other end of rear shock absorber 22 is connected on the stage casing bearing of cant beam 13, on this bearing, support luggage carrier 14 with strut bar 15, on preceding shaft stool 36, be welded with the axle sleeve that handlebar tube 43 bottom turning cylinders are rotated, handlebar tube 43 upper ends are welded with crossbeam 44, a left side, right vertical rod, a left side, right vertical rod 6 two ends symmetry connects a left side upwards, right handrail 5, the front end dress handgrip 42 of right handrail 5, back brake handle 3, the Parking handle, the front end dress handgrip 42 of right handrail 5, Front brake handle 3, motor 20, the light control handle, a left side, right handrail 5 front ends are higher than the rear end, and skin is wrapped up in the soft material similar in appearance to sofa.

Claims

1, a kind of double sitting posture two front-wheels shrink the leisure tricycle, by upright fork (2), before chain stay (21) bonded assembly, trailing wheel (32), (18), band-type brake (33), the handlebar direction control mechanism, vehicle frame, vehicle seat, the pedal chain-driving, the flywheel composition characteristic is: its keystone configuration comprises front-axle beam (30), crossbeam (26), the low center of gravity vehicle frame of cant beam (13), before, the flat cover of rear axle (29), (23), dual seat, the motor (20) of the flywheel (16) of the driving of mounting electricity storage pack (25) power supply, stop, the handgrip control mechanism of Parking, before, rear shock absorber (27) (22), luggage carrier (14) is formed, make crossbeam (26) overhead below the 120mm, front-axle beam (30) is welded at its two ends respectively, cant beam (13) constitutes the center of gravity vehicle frame, be 115 ° of angles with cant beam above the crossbeam (26), the front end of front-axle beam (30) connects a left side, the flywheel (17) that the chain-driving that right pedal (1) drives drives, crossbeam (26) is gone up dress front shock absorber (27), before having, the dual seat of back seat, its front end connects the flat cover of front axle (29) downwards, the equidistant symmetry in front-axle beam (30) both sides is equipped with and is connected upright fork (2), front-wheel (32) on the chain stay (21), adorn band-type brake (33) respectively on two front-wheels (32) axle, in the flat cover of front axle, load is connected on the front-wheel steering of two front-wheel axial end axles, fold mechanism, be connected with the horizontal axle sleeve (50) that can be connected on the rear quarter panel of preceding shaft stool (36) with the flat cover of crossbeam (26) front end front axle (29), the rear end of crossbeam (26) connects the flat cover of rear axle (23), the back chain stay (21) that the symmetry dress is connected with trailing wheel (18) in the flat cover of rear axle (23), back chain stay (21) dress rear shock absorber (22), dress is by the motor (20) of the flywheel (16) of storage battery (25) power supply driving on same trailing wheel (18) axle of manually driven flywheel (17) one sides.

2, double seat formula two front-wheels according to claim 1 shrink the leisure tricycle, be characterised in that: described low center of gravity frame is by front-axle beam (30), crossbeam (26), cant beam (13), plate (10) is adjusted at the seat, before, rear shock absorber (27), (22), before, back brace panel (28), (24), back seat permanent seat (11), back seat fixed orifice (12), strut bar (15), luggage carrier (14) is formed, front-axle beam (30) back segment is crotch shape, crotch is terminal to join with crossbeam (26) front end, crossbeam (26) leading portion both sides connect symmetrical seat and adjust plate (10), load is connected on an end of the front shock absorber (27) of bearing on the two beam sections of adjusting between plate (10), the other end of front shock absorber (27) is connected on the preceding shaft stool (36), the preceding brace panel (28) of crossbeam (26) welding below front-axle beam (30), be connected to rear shock absorber (22) one ends of bearing in cant beam (13) middle part load, the other end of rear shock absorber (22) joins with back chain stay (21), has on the back segment of crossbeam (26) in the permanent seat (11) that connects back seat and cant beam (13) upper surface the fixedly fixed orifice of back seat (12) is arranged.

3, double seat formula two front-wheels according to claim 1 shrink the leisure tricycle, be characterised in that: described front-wheel steering, fold mechanism is connected the relative upright fork lower end of two front-wheels (32) axle head, divide a left side, right steering, fold mechanism, respectively by preceding shaft stool (36), vertical rotation axis (45), the vertical axle sleeve (46) on preceding shaft stool (36), hole, folding position (47), open a hole (48), the horizontal axle sleeve (50) that is connected with the flat cover of front axle (29) of crossbeam (26), a left side, right connecting rod (37), a left side, vertical axle sleeve (51) on the right connecting rod (37), rotating shaft cover (38), on upright fork (2) lower end bonded assembly left side, right steering axle (35), a left side, right steering plate (39), a left side, right pull bar (40), left side on the handlebar, right steering plate (41) is formed.

4, shrink the leisure tricycle according to claim 1,3 described double seat formula two front-wheels, be characterised in that: described left and right connecting rod (37), left and right pull bar (40), left and right front-wheel steering plate (39), the left and right deflecting plate of handlebar (41) constitute the connecting rod mechanism of two parallelogram.

5, according to claim 1,3 described double seat formula two front-wheels shrink the leisure tricycle, be characterised in that: shaft stool (36) before described, by last, lower plate rear quarter panel bonded assembly member, on, lower plate lateral surface center is processed with concentric vertical axle sleeve (46), do relative motion with vertical rotation axis (45), on, a closed assembly left side on vertical rotation axis between lower plate (45) shaft part, the vertical axle sleeve (51) of right connecting rod (37), on vertical axle sleeve (46) both sides, be processed with hole, folding position (47) on the lower plate, open a hole (48), be with the left side of spring, right locating dowel pin (49) places in it, the control position and the folding position of system control two front-wheels (32).

6, double seat formula two front-wheels according to claim 1 shrink the leisure tricycle, be characterised in that: described stopping, the handlebar control mechanism of Parking, be connected on the preceding shaft stool (36), by the handlebar tube (43) that rotating shaft is arranged down, crossbeam (44), a left side, right vertical rod (6), a left side, right handrail (5) is formed, at preceding shaft stool (36) but the axle sleeve of welding suit handlebar tube (43) rotating shaft, handlebar tube (43) bottom rotating shaft is packed in it, handlebar tube (43) upper end connects crossbeam (44), crossbeam (44) two ends are symmetrically welded a left side, right vertical rod (6), a left side, the welding of right vertical rod (6) upper end is a left side longitudinally, right handrail (5), a left side, high back was low before right handrail (5) was, skin is wrapped up in soft material, the front end dress handgrip (4) of right handrail (5), Front brake handle (3), motor (20), the light control handle, the front end dress handgrip (4) of left side handrail (5), back brake handle (3), the Parking handle.

7, double seat formula two front-wheels according to claim 1 shrink the leisure tricycle, be characterised in that: before described double bed chair has, back seat, be installed on the crossbeam (26), front seats is by preceding, back U type is supported seat cushion (7), the seat that is fixed on crossbeam (26) by reaction plate is adjusted on the plate (10), back seat connects below by adapter plate bearing (11), top is threaded in the back positioning and fixing hole (12) of cant beam (13) upper surface by back support rod, the seat cushion of front seats (7) is by plank, foamed plastic, lining is made, back seat, before, back backrest with the nylon fabric be the lining tighten on seat frame, preceding, back backrest is divided into 25 ° from the bottom up respectively, 35 °, 15 ° inclination angle backward.