CN1749092A - Sitting type light tricycle and its frame - Google Patents
Sitting type light tricycle and its frame Download PDFInfo
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- CN1749092A CN1749092A CNA200510036649XA CN200510036649A CN1749092A CN 1749092 A CN1749092 A CN 1749092A CN A200510036649X A CNA200510036649X A CN A200510036649XA CN 200510036649 A CN200510036649 A CN 200510036649A CN 1749092 A CN1749092 A CN 1749092A
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Abstract
The present invention relates to one kind of light tricycle with seat and the tricycle is superior to available tricycle. The frame of the tricycle includes main tricycle frame comprising upper pipe, lower pipe, front pipe and back vertical pipe, and vertical handlebar sleeve installed in front, back or upper part of the front pipe. The tricycle has middle shaft sleeve mounted in the front part of the lower pipe and on back of the front wheel. The tricycle with the said frame has simple structure, small size, light weight and convenient packing and transportation, and is comfortable, stable, and safe. The tricycle may be manpower and/or electric power driven.
Description
[technical field]
The present invention relates to a kind of three-wheel vehicle and vehicle frame thereof, the three-wheel vehicle and the vehicle frame thereof that particularly relate to a kind of chair of usheing to seat, can be seated and drive.
[technical background]
Existing three-wheel vehicle is all ridden, and rider's whole body weight is pressed on the slight triangle saddle, and is uncomfortable and tired easily when riding, and also may cause some position of health that pathology takes place.Simultaneously, the mode of riding of three-wheel vehicle has improved the full car weight heart greatly, makes three-wheel vehicle turn over side easily under steam and has an accident.
ZL 88206280.8 discloses a kind of chair type tricycle, the driving though this invention can be seated, seat is too many to the skew of vehicle frame rear end, necessary for this reason extension shaft distance, and handlebar grip significantly extended backward, this will cause vehicle body long and reduce the alerting ability of handling maneuver greatly; Patent CN 85107493A also discloses a kind of sitting tricycle, this invention need not prolong handlebar grip, and pedal parts is loaded on preceding pipe, though this scheme can shorten vehicle body, but must promote height of seat, this will cause the full car weight heart too high and reduce the safety of travelling again; Foreign patent FR 2807729 discloses a kind of three-wheel vehicle of the chair of usheing to seat, this invention is loaded on the front-wheel upside with pedal parts, and the pedal parts lower end is clipped between the front-wheel and adopts f-w-d, this invention vehicle body is short, seat is low, but front-wheel has been born and has been turned to and driven dual-use function, certainly will cause and scrunch inconvenience when turning to.
[summary of the invention]
At the defective that exists in the prior art, one of purpose of the present invention is to provide a kind of simple in structure, little, the lightweight sitting type light tricycle vehicle frame of volume; Another object of the present invention be a kind of driving that can be seated, ride comfort will be provided, center of gravity is low and the sitting type light tricycle of small volume and less weight.
One of purpose of the present invention is achieved through the following technical solutions: a kind of sitting type light tricycle vehicle frame, comprise main car frame, and described main car frame comprises preceding pipe, following pipe, rear profile tube and handle riser cover; Preceding pipe, following pipe and rear profile tube are interconnected to U-shaped, and the handle riser cover is installed in the front side of preceding pipe, perhaps is installed in the rear side or the upside of preceding pipe; Following pipe and rear profile tube both can adopt single tube or pipe, also can adopt two-tube side by side, perhaps directly with single tube or the two-tube J-shaped that bends to side by side, to replace pipe and rear profile tube down.
For strengthening the structure of vehicle frame, main car frame of the present invention can further improve: described main car frame also comprises pipe, and the two ends of last pipe are connected with preceding pipe and rear profile tube respectively, and last Guan Jike adopts single tube or pipe, also can adopt two-tube side by side.
Vehicle frame of the present invention comprises the Backshaft connecting device that is installed in the main car frame rear end, and described Backshaft connecting device comprises guide, connecting strap assembly and supporting member; Described connecting strap assembly comprises the symmetrically arranged connecting strap in the left and right sides and is loaded on bearing on the connecting strap; Guide front end and main car frame posterior end join, and its rear end and connecting strap assembly join, and the upper end joins behind supporting member upper end and the main car frame, and its lower end joins with guide rear portion or connecting strap assembly.
Be the intensity of reinforced rear axle connecting device, the connection pipe more than 1 can be installed between the connecting strap, but 2-4 bar connection pipe preferably is installed.
Another object of the present invention is achieved through the following technical solutions: a kind of sitting type light tricycle comprises vehicle frame, handlebar and front fork parts.Described vehicle frame comprises main car frame, and described main car frame comprises preceding pipe, following pipe, rear profile tube and handle riser cover; Preceding pipe, following pipe and rear profile tube are interconnected to U-shaped, and the handle riser cover is installed in the front side of preceding pipe, perhaps is installed in the rear side or the upside of preceding pipe; Following pipe and rear profile tube both can adopt single tube or pipe, also can adopt two-tube side by side, perhaps directly with single tube or the two-tube J-shaped that bends to side by side, in order to replace pipe and rear profile tube down.
For strengthening the structure of vehicle frame, main car frame of the present invention can further improve: described main car frame also comprises pipe, and the two ends of last pipe are connected with preceding pipe and rear profile tube respectively, and last Guan Jike adopts single tube or pipe, also can adopt two-tube side by side.
Vehicle frame of the present invention comprises the Backshaft connecting device that is installed in the main car frame rear end, and described Backshaft connecting device comprises guide, connecting strap assembly and supporting member; Described connecting strap assembly comprises the symmetrically arranged connecting strap in the left and right sides and is loaded on bearing on the connecting strap; Guide front end and main car frame posterior end join, and its rear end and connecting strap assembly join, and the upper end joins behind supporting member upper end and the main car frame, and its lower end joins with guide rear portion or connecting strap assembly.
Be the intensity of reinforced rear axle connecting device, the connection pipe more than 1 can be installed between the connecting strap, but 2-4 bar connection pipe preferably is installed.
Handle riser in the described handlebar is loaded in the handle riser cover, and in the pipe, handle riser realized that by steerage gear spare driving type is connected with vertical tube of front fork before the vertical tube of front fork in the described front fork parts was loaded on.
The advantage of sitting type light tricycle vehicle frame of the present invention is:
1, simple in structure, volume is little, in light weight.The vehicle frame of sitting type light tricycle of the present invention comprises main car frame and Backshaft connecting device, wherein main car frame can directly adopt existing bicycle U-shaped or ladder type frame, only needing front side, rear side or upside at preceding pipe add one get final product vertical pipe sleeve (as managing upside before handle riser is set in, need add the handlebar adjusting bracket again), the handle riser cover is used to install handlebar; The Backshaft connecting device that is loaded on the main car frame rear end is simple in structure, compact, and part embodiment can reequip with existing cycle frame.
2, instant packed transportation.Main car frame and Backshaft connecting device can adopt and be spirally connected, and the latter can dismantle from main car frame, and the part parts in the Backshaft connecting device also can be dismantled, and therefore can dwindle the vehicle frame bale capacity greatly, favourable reduction packing and traffic cost.
The advantage of sitting type light tricycle of the present invention is:
1, the mode that drives is changed into " sitting posture " from " striding type ", takes more comfortable.The design of bicycle or three-wheel vehicle is based on human engineering, axis sleeve pipe wherein, there is certain proportionate relationship on handlebar and each limit of the formed triangle of seat line, because the handlebar of existing bicycle or three-wheel vehicle and vertical tube of front fork are with in the pipe before being loaded on, and the three is in same line of centers, the casterangle of this line of centers, also promptly preceding pipe casterangle is generally 67-69 °, and (preceding pipe casterangle is meant under the situation that car load lands, the angle of preceding tube hub line extended line and ground level, A angle among Fig. 1), this has just determined that above-mentioned triangle and ground-surface angle also are constants---Here it is, and why existing bicycle and three-wheel vehicle must take the reason of " riding ".Because the present invention has added the handle riser cover, making this triangle can be that the center rotates a certain angle in the direction of the clock with the front axle, saddle height can be reduced greatly, this just might replace original saddle with seat, thereby the mode of driving that makes three-wheel vehicle produces revolutionary change: change into " sitting posture " from traditional " striding type ", make and take more comfortablely, and be fit to long distance, the long-time driving.
2, center of gravity low, be not easy the rollover, driving stability safety.Height of seat of the present invention reduces 200-400mm than existing three-wheel vehicle saddle height, saddle height reduces not only convenient for passenger to get on and off, the more important thing is that the full car weight heart decreases, make three-wheel vehicle be not easy rollover under steam, bipod can also land simultaneously when running into emergency situation; Handlebar of the present invention and vertical tube of front fork be not on same axis, and long or preceding pipe casterangle of handlebar grip is too small to cause turning to problem such as inconvenience with regard to having solved in the prior art for this, more than improves stability and the safety that has improved vehicle ' greatly.
3, small volume and less weight.Body frame structure for automotive of the present invention is simple, if add the reach of the axis of taking to extend, axis sleeve pipe, with improvement projects such as the pedal parts front portion are clipped between the front-wheel, the present invention can shorten the vehicle commander greatly; Adopt Backshaft connecting device of the present invention if this vehicle frame cooperates again, can further dwindle full car spatial volume, make the car load small volume and less weight.
4, of many uses, the present invention can further be improved to three-wheeled electric vehicle, three-wheel mini-motorcycle, three-wheeled motor vehicle, both can be used as general traffic means of transport, also can be used as leisure, body-building, travels, moves, instrument such as tourism; Owing to drive the change of mode, the present invention also is fit to old man, children or disabled person and drives.
[description of drawings]
Fig. 1 is handle riser cover forward type embodiment scheme drawing of the present invention
Fig. 2 is rear-mounted embodiment scheme drawing for handle riser of the present invention overlaps
Fig. 3 is handle riser cover inhead type embodiment scheme drawing of the present invention
Fig. 4 is that handlebar and vertical tube of front fork adopt conical gear external toothing transmission scheme drawing
Fig. 5 is that handlebar and vertical tube of front fork adopt engaged transmission scheme drawing in the conical gear
Fig. 6 is that handlebar and vertical tube of front fork adopt the universal coupling connection diagram
Fig. 7 adopts flexible belt strap drive scheme drawing for handlebar and vertical tube of front fork
Fig. 8 is that handlebar and vertical tube of front fork adopt the chain-driving scheme drawing
Fig. 9 is that handlebar and vertical tube of front fork adopt double rocking lever transmission scheme drawing
Figure 10 is a connecting strap assembly transparent view
Figure 11 is big chain stay+upright greatly V shape Backshaft connecting device transparent view
Figure 12 is big chain stay+bumper formula Backshaft connecting device transparent view
Figure 13 is little chain stay+little upright V shape Backshaft connecting device transparent view
Figure 14 is a chain stay contact pin scheme drawing
Figure 15 is little chain stay+bumper formula Backshaft connecting device transparent view
Figure 16 is band sleeve pipe guide plate+bumper formula Backshaft connecting device transparent view
Figure 17 is band sleeve pipe guide plate transparent view
Figure 18 is guide pipe+bumper formula Backshaft connecting device transparent view
Figure 19 is the orienting lug transparent view of anterior band round bar
Figure 20 is T shape pilot bar+bumper formula Backshaft connecting device transparent view
Figure 21 is brake (contracting brake box of the band band-type brake circle) transparent view that is symmetrical set
Figure 22 is for installing brake (contracting brake box of band band-type brake circle) transparent view on the connecting strap assembly
Figure 23 adopts sheet metal processing transparent view for the upper and lower pipe in the main car frame of the present invention
Figure 24 adopts two-tube transparent view arranged side by side for the upper and lower pipe in the main car frame of the present invention
Figure 25 is the orienting lug transparent view of anterior band pipe
Figure 26 is the light tricycle preferred embodiment of a sitting posture of the present invention design sketch
Among the figure:
Axis sleeve pipe 10 handle risers 11 handle risers overlap 12 handlebar adjusting brackets 13
The 611 chain stay contact pin 612 of connecting strap assembly 62 supporting members 63 chain stays
Band sleeve pipe guide plate 613 guide pipe 615T shape pilot bars 616 orienting lugs 617
Connecting strap 621,621 ' connection pipe, 622 bearings, 623 upright forks 631
Bumper 632 conical gear 71A, 71B intermediary conical gear 72
Belt wheel or sprocket wheel 75A, 75B tape guide roller 76 flexible belt band 77A
Chain 77B rocking bar 78A, 78B connecting rod 79
Left and right sides contracting brake box 81,81 ' left and right sides band-type brake circle 82,82 ' left and right sides crank throw 83,83 '
Crank throw pipe link 84 brake cable center taps 85
[specific embodiment]
Preferred embodiment: present embodiment is that handle riser overlaps the light tricycle of rear-mounted sitting posture.As Fig. 2, Figure 24, shown in Figure 26, the vehicle frame of this sitting posture tricycle by last pipe 2, manage 3 down, the main car frame 1 that preceding pipe 4, rear profile tube 5 are welded and the Backshaft connecting device 6 that is installed in main car frame 1 rear end form, wherein go up pipe 2, manage 3 mountains left and right breeches pipe arranged side by side down and form, on manage the 2 formation shelf that extend back.Main car frame 1 is equipped with handle riser cover 12 and axis sleeve pipe 10, before handle riser cover 12 is installed in the rear side of pipe 4 and with the parallel axes of preceding pipe 4, and be fixed in, the left side of following pipe, between the right breeches pipe, axis sleeve pipe 10 is loaded on down the anterior of pipe 3 and is positioned at the rear side of front-wheel, pedal parts 19 is housed on the axis sleeve pipe 10, the front portion of pedal parts 19 is clipped between the front-wheel and still can freely scrunches and unlikely generation movement interference when front-wheel turns to, for the crowd who makes things convenient for all ages and classes uses, rear profile tube 5 front sides, with its side by side and at interval 80mm chair mounted pipe 17 also is housed place, rear profile tube 5 and chair mounted pipe 17 are loaded on, the left side of following pipe, between the right breeches pipe.
As shown in figure 24, present embodiment adopts T shape pilot bar+bumper formula Backshaft connecting device.This device comprises T shape pilot bar 616, orienting lug 617, left and right bumper 632,632 and connecting strap assembly 62; Connecting strap assembly 62 (Figure 10) comprises the symmetrically arranged connecting strap in the left and right sides 621,621 ', connection pipe 622,622 and is loaded on the bearing 623,623 at connecting strap 621,621 ' middle part, left and right connecting strap 621,621 ' spacing are 300mm, spacing between connection pipe 622, the 622 tube wall inboards is 80mm, flywheel is turned round therein be not subjected to interfere.Connection pipe 622,622 two ends and left and right connecting strap 621,621 ' join.As Figure 25, orienting lug 617 front ends vertically are provided with pipe, and the rear end laterally is provided with 3 circular holes, and wherein the circular hole of both sides, front and back is used to install connection pipe 622,622, and middle circular hole aperture is greater than axle drive shaft 9, so that axle drive shaft 9 can turn round from the mountain therein; The T shape end of T shape pilot bar 616 is hinged with main car frame 1 posterior end, orienting lug 617 and two connection pipe 622,622 middle parts are affixed and hinged by the pipe and the T shape pilot bar 616 of its front end setting, article two, connection pipe 622,622 is hinged by left and right damping 632,632 and last pipe 2 elasticity, for making two connection pipes stressed evenly, between bumper lower end and connection pipe, installed the bumper frame additional.When mounted, reserve the space of 30mm between left and right sides bumper frame and the orienting lug 617, so that flywheel is installed.
As Fig. 2, shown in Figure 26, in the preceding pipe 4 of above-mentioned vehicle frame, load onto front fork parts 14, load onto handlebar on handle riser cover 12, the handle riser 11 in the handlebar is connected by belt wheel 75A, 75B and the flexible belt cooperation realization driving type of 77A of being with the vertical tube of front fork 15 of front fork parts 14 upper ends.During installation belt wheel 75A, 75B be installed in handlebar 11 and vertical tube of front fork 15 respectively, and make the interlock of two belt wheels by flexible belt band 77A, the flexible belt band of present embodiment can adopt V-type band, flat pattern band, round belt, timing belt or replace with steel rope.This example is adorned tape guide roller 76 because the axis of handlebar 11 and vertical tube of front fork 15 is parallel to each other so can economize.In other embodiments, when the handlebar 11 and the axis of vertical tube of front fork 15 are not parallel, should add tape guide roller 76,76, as Fig. 7.Flexible belt strap drive is simple and convenient, and transmitting ratio can freely be selected, and both has been fit to adopt steering handwheel to turn to, and also is fit to adopt handlebar to turn to.
Present embodiment adopts the handlebar steering structure simple, and the control member that travels can be directly installed on the handlebar, in some other embodiment, also can adopt steering handwheel to turn to, and steering handwheel turns to can increase driving enjoyment.
As shown in figure 26, load onto 20 in the lower end of above-mentioned front fork parts 14 " front-wheel; in the bearing 623,623 of connecting strap assembly 62, load onto the long axle drive shaft 9 of 500mm that be; axle drive shaft 9 passes default circular holes in the middle of the orienting lug 617; end and a trailing wheel are affixed; the other end is by bearing and another trailing wheel loose joint, and with the rotation of formation differential, the wheel of two trailing wheels directly is 20 "; Load onto axis in axis sleeve pipe 10, the chain drum and the pedal parts 19 of 48 teeth is installed on the axis, the flywheel of 16 teeth is loaded onto at corresponding position with chain drum on axle drive shaft 9, loads onto chain between chain drum and flywheel.Because the relative position between chain drum and the flywheel often changes under steam, takes off chain for preventing flywheel, should install chain cable fairlead additional at the flywheel front end.As Figure 21-shown in Figure 22, the double rear wheel brake 8 of present embodiment adopts the ordinary bicycle band-type brake, band-type brake is for being symmetrical arranged, during installation on a left side, right connecting strap 621, band band-type brake circle 82 is loaded onto in the 621 ' outside, 82 ' contracting brake box 81,81 ', at two band-type brake circles 82, crank throw 83 on 82 ', load onto crank throw pipe link 84 between 83 ', load onto brake cable center tap 85 at crank throw pipe link 84 middle parts, inboard and the contracting brake box 81 at the axle sleeve of two trailing wheels, 81 ' corresponding position is loaded onto the band-type brake dish (in other embodiments, also can adopt rise lock or disc brake, its installation method and this example are together), on handlebar, load onto the rim brake handle, between rim brake handle and brake cable center tap 85, load onto the brake control wire, load onto common brake part at front-wheel, load onto seat in rear profile tube 5 upper ends, preceding, mudwing is loaded onto in the trailing wheel outside, and the light tricycle of sitting posture is promptly accused assembling and finished.
Greatest improvement part of the present invention is to add handle riser cover 12 at main car frame 1, adopts this scheme to cooperate the axis sleeve pipe 10 preposition length that can shorten three-wheel vehicle greatly.The oad of present embodiment is long 1600mm * wide 500mm * high 800mm, and is suitable with existing bicycle, and therefore, as long as bicycle can be set out on a journey, the present invention just has reason and can set out on a journey.Adding handle riser cover 12 can be offset handlebar 11 backward, move behind the handlebar and can significantly reduce the saddle height and the full car weight heart, and change saddle into seat, make the mode that drives of three-wheel vehicle change into " sitting posture " from " striding type ", the change that drives mode make three-wheel vehicle travel more stability and safety, be not easy to turn over side, take more comfortable.The Backshaft connecting device 6 of present embodiment has bumper, when uneven road surface is arrived in trailing wheel one side impact, can reduce greatly vehicle body wigwag motion and pitch, when Vehicular turn, the rider can obtain centripetal force by health and the certain angle of body inclination and make the unlikely side of turning over of vehicle as by bike.Present embodiment has been installed dual brake car device at trailing wheel, has formed the failure-free brake system with the front-wheel brake part, and two trailing wheels are stressed evenly during brake, can prevent running out the way to a certain extent and turn over side, thereby improve the safety of travelling greatly.The present invention is except that Backshaft connecting device 6, and other parts all can adopt existing bicycle standard parts and components, and the cooperation of chain drum, flywheel and trailing wheel in the present embodiment makes it still can obtain speed per hour about 15 kilometers under normal stepping frequency.Therefore, the present invention is simple in structure, small volume and less weight, center of gravity are low, be not easy rollover, and driving stability safety, ride comfort are promoted in town and country so can be used as general traffic means of transport fully.
Except the described employing manpower of present embodiment drives, on vehicle frame of the present invention, load onto battery, motor or combustion engine, can further it be improved to sitting posture three-wheeled electric vehicle, sitting posture three-wheel mini-motorcycle or sitting posture three-wheeled motor vehicle.These sitting tricycles not only can be used to ride instead of walk, can also be widely used in leisure, body-building, travel, move, tourism, deliver goods or use for children, old man, disabled person.
The present invention takes except preferred embodiment is described also can take the U-shaped main car frame the trapezoidal main car frame.As Fig. 1, pipe 4 before the U-shaped main car frame comprises, manage 3 and rear profile tube 5 down; Before pipe 4, down manage 3 and rear profile tube 5 be interconnected to U-shaped, the front side of pipe 4 before handle riser cover 12 is installed in.Wherein pipe 3 and rear profile tube 5 can directly form with single tube or two-tube bending arranged side by side down.Be to increase frame strength, preceding pipe 4 with manage 3 down, manage down 3 and rear profile tube 5 between can install brace panel 20 additional.The U-shaped body frame structure for automotive is simple, conveniently get on and off, but intensity is not as good as ladder type frame, purpose such as generally be fit to leisure, body-building, travel and offer children, old man, disabled person and use.
The rear side of pipe 4 before the handle riser cover 12 of preferred embodiment is loaded on, the front side or the upside (as Fig. 1, shown in Figure 3) of pipe 4 before also it can being loaded in addition.Handle riser 11 requires synchronously with the transmission of vertical tube of front fork 15, in the same way, sensitivity, except the flexible belt strap drive of the described employing of preferred embodiment, also have following multiple scheme available:
1, conical gear external toothing transmission.As shown in Figure 4, the steerage gear spare of this programme 7 comprises conical gear 71A, 71B and intermediary's conical gear 72, and conical gear 71A is installed in handle riser 11, and conical gear 71B is installed in vertical tube of front fork 15, for keeping the rotation direction unanimity, both are by the 72 mutual external toothings of intermediary's conical gear.The processing of this programme is complicated slightly, but steering gear ratio can freely select, the front side of pipe 4 before handle riser cover 12 both can be installed in, and the rear side of pipe 4 before also can being installed in both was fit to adopt steering handwheel to turn to, and also suitable employing handlebar turns to.When handle riser overlapped 12 axis and vertical tube of front fork 15 parallel axes, above-mentioned conical gear 71A, 71B and intermediary's conical gear 72 were used cylindrical wheel instead.
2, engaged transmission in the conical gear.As shown in Figure 5, the steerage gear spare of this programme 7 comprises conical gear 73A and female cone gear 73B, and conical gear 73A is installed in handle riser 11, female cone gear 73B be installed in vertical tube of front fork 15 and with conical gear 73A in mesh.The processing of this programme is complicated slightly, but can obtain suitable steering gear ratio, is fit to adopt steering handwheel to turn to, the front side of pipe 4 before handle riser cover 12 both can be installed in, the rear side of pipe 4 before also can being installed in.When handle riser overlapped 12 axis and vertical tube of front fork 15 parallel axes, above-mentioned conical gear 73A and female cone gear 73B can use cylindrical wheel and interior cylindrical wheel instead.
3, universal coupling transmission.As Fig. 3, shown in Figure 6, the steerage gear spare of this programme 7 comprises universal coupling 74, and handle riser 11 is in transmission connection by universal coupling 74 with vertical tube of front fork 15.This programme is simple in structure, turn to reliable, and steering gear ratio is 1: 1, is fit to adopt handlebar to turn to, and universal coupling 74 can adopt gauge member.Adopt this programme must add handlebar adjusting bracket 13, the angle of handlebar can be regulated, and cooperates the front and back of seat to regulate, and the crowd who is fit to all ages and classes uses.
4, chain-driving.As shown in Figure 8, the steerage gear spare of this programme 7 comprises sprocket wheel 75A, 75B and chain 77B, and sprocket wheel 75A is loaded on handle riser 11, and sprocket wheel 75B is loaded on vertical tube of front fork 15, and both are by chain 77B link.This programme is simple in structure, turn to reliable, steering gear ratio can freely be selected, the front side of pipe 4 before handle riser cover 12 both can be installed in, the rear side of pipe 4 before also can being installed in, both be fit to adopt steering handwheel to turn to, also be fit to adopt handlebar to turn to, but that the prerequisite of its installation is a handle riser cover 12 is necessary parallel with the axis of preceding pipe 4.
5, double rocking lever transmission.As shown in Figure 9, the steerage gear spare of this programme 7 comprises rocking bar 78A, 78B and connecting rod 79, and rocking bar 78A is loaded on handle riser 11, and rocking bar 78B is loaded on vertical tube of front fork 15, and end bar joint bearing is equipped with at connecting rod 79 two ends, and rocking bar 78A, 78B are hinged by connecting rod 79.Simple in structure, the reliable transmission of this programme, steering gear ratio is 1: 1, the front side of pipe 4 before handle riser cover 12 both can be installed in, the rear side of pipe 4 before also can being installed in, be fit to adopt handlebar to turn to, the prerequisite of its installation is that handle riser cover 12 need almost parallel with the axis of preceding pipe 4.
Except preferred embodiment was described, Backshaft connecting device 6 also had other embodiment:
1, big chain stay+upright greatly V shape.As shown in figure 11, this scheme comprises big chain stay 611, big upright fork 631 (chain stay 611 rear ends and the branch of dehiscing to have size that founds fork 631 lower ends two breeches pipes, it dehisces to be little chain stay or little upright fork to the similar person of ordinary bicycle size, dehisce to be big chain stay or big upright fork greater than the ordinary bicycle person, down with) and connecting strap assembly 62, connecting strap assembly 62 comprises the symmetrically arranged connecting strap in the left and right sides 621,621 ' and be loaded on bearing 623,623 on the connecting strap 621,621 '; For gaining in strength, the connection pipe 622 more than 1 can be installed between the connecting strap 621,621 ', but 2-3 bar connection pipe 622 preferably is installed.The front end of chain stay 611 joins with following pipe 3 rear ends, and upright fork 631 upper ends join with rear profile tube 5 upper ends, and chain stay 611 rear ends and the upright both sides, 631 lower end of pitching interconnect or join with left and right connecting strap 621,621 ' respectively.In the present embodiment, chain stay 611 and all can adopting between pipe 3, upright fork 631 and rear profile tube 5 and the left and right connecting strap 621,621 ' down is spirally connected, with instant packed and transport.
2, big chain stay+bumper formula.As shown in figure 12, this scheme comprises big chain stay 611, a pair of left and right bumper arranged side by side 632,632 and connecting strap assembly 62, the same preferred embodiment of composition of connecting strap assembly 62 and attaching method thereof.Chain stay 611 front ends are with down pipe 3 rear ends are hinged, and chain stay both sides, 611 rear end and left and right connecting strap 621,621 ' join or direct and two connection pipes 622,622 join; Chain stay 611 rear ends or connecting strap assembly 62 realize that by left and right bumper 632,632 elasticity is hinged with rear profile tube 5 upper ends.
3, little chain stay+little upright V shape.As shown in figure 13, this scheme comprises little chain stay 611, is installed in the chain stay contact pin 612,612 of little chain stay 611 rear ends, little upright fork 631 and connecting strap assembly 62, the same preferred embodiment of composition of connecting strap assembly 62 and attaching method thereof; Chain stay contact pin 612,612 is installed in chain stay 611 rear ends, offering 3 on it cooperates with two connection pipes 622,622 and with axle drive shaft 9 and to the fitting recess (seeing Figure 14) of under shed, wherein Zhong Jian fitting recess aperture is greater than axle drive shaft 9, axle drive shaft 9 can freely be turned round therein, and the fitting recess of its both sides then is used to install two connection pipes 622,622.Chain stay 611 front ends are with down pipe 3 rear ends are affixed, and upright fork 631 upper ends and rear profile tube 5 upper ends are affixed, and its lower end and chain stay 611 rear ends or chain stay contact pin 612,612 are affixed, between 612,612 and two connection pipes 622,622 of chain stay contact pin for removably connecting.In this example, chain stay 611 and down pipe 3, upright fork 631 reach with rear profile tube 5 and chain stay contact pin 612,612 between also can adopt and be spirally connected, with instant packed transportation.
4, little chain stay+bumper formula.As shown in figure 15, this scheme comprises little chain stay 611, is installed in the chain stay contact pin 612,612 of chain stay 611 rear ends, a pair of left and right bumper arranged side by side 632,632 and connecting strap assembly 62, the same preferred embodiment of composition of connecting strap assembly 62 and attaching method thereof.Chain stay 611 front ends are with pipe 3 rear ends are hinged down, for removably connecting, realize that by left and right bumper 632,632 elasticity are hinged between chain stay contact pin 612,612 or connecting strap assembly 62 and the rear profile tube 5 between chain stay contact pin 612,612 and the transverse connecting pipe 622,622 '.
5, band sleeve pipe guide plate+bumper formula.As Figure 16, shown in Figure 17, this scheme comprises front end guide plate 613 with well, a pair of left and right bumper arranged side by side 632,632 and connecting strap assembly 62, the same preferred embodiment of composition of connecting strap assembly 62 and attaching method thereof.Band sleeve pipe guide plate 613 front ends are with pipe 3 rear ends are hinged down, and its rear end and two transverse connecting pipes 622,622 join, and hinged by left and right bumper 632,632 and rear profile tube 5 elasticity.This example it should be noted that when mounted the axle line of centres of the bearing 623,623 on the left and right connecting strap 621,621 ' should be at the axis downside of connection pipe 622,622, so that the running of axle drive shaft 9 is not interfered.
7, guide pipe+bumper formula.As shown in figure 18, this scheme comprises guide pipe 615, orienting lug 617, a pair of left and right bumper arranged side by side 632,632 and connecting strap assembly 62, the same preferred embodiment of composition of connecting strap assembly 62 and attaching method thereof.Orienting lug 617 front ends vertically stretch out a round bar, its rear end laterally is provided with 3 circular holes, the circular hole of both sides is used to install two connection pipes 622,622 wherein, middle circular hole and axle drive shaft 9 free-running fits (Figure 19), guide pipe 615 vertically is installed in main car frame 1 posterior end, the round bar and the guide pipe 615 of orienting lug 617 front ends are hinged, and its rear end laterally is connected with two connection pipes 622,622, and connection pipe 622,622 is hinged by left and right bumper 632,632 and rear profile tube 5 upper end elasticity.
Claims (12)
1, a kind of sitting type light tricycle vehicle frame comprises main car frame (1), it is characterized in that: described main car frame (1) comprises preceding pipe (4), following pipe (3), rear profile tube (5) and handle riser cover (12); Preceding pipe (4), following pipe (3) and rear profile tube (5) are interconnected to U-shaped, and handle riser cover (12) is installed in the front side of preceding pipe (4), perhaps is installed in the rear side or the upside of preceding pipe (4).
2, sitting type light tricycle vehicle frame according to claim 1 is characterized in that: described main car frame (1) comprises pipe (2), and the two ends of last pipe (2) are connected with preceding pipe (4) and rear profile tube (5) respectively.
3, sitting type light tricycle vehicle frame according to claim 1 and 2, it is characterized in that: described vehicle frame comprises the Backshaft connecting device (6) that is installed in main car frame (1) rear end, and described Backshaft connecting device (6) comprises guide (61), connecting strap assembly (62) and supporting member (63); Described connecting strap assembly (62) comprises the symmetrically arranged connecting strap in the left and right sides (621), (621 ') and is loaded on connecting strap (621), the bearing on (621 ') (623), (623); Guide (61) front end and main car frame (1) posterior end join, and its rear end and connecting strap assembly (62) join, and supporting member (63) upper end joins with upper end, main car frame (1) back, and its lower end and guide (61) rear portion or connecting strap assembly (62) join.
4, sitting type light tricycle vehicle frame according to claim 3 is characterized in that: described connecting strap (621), the connection pipe (622) more than 1 was housed between (621 ').
5, a kind of sitting type light tricycle comprises handlebar and front fork parts (14), it is characterized in that: described sitting type light tricycle has adopted as the described vehicle frame of arbitrary claim among the claim 1-4.
6, sitting type light tricycle according to claim 5, it is characterized in that: the handle riser in the described handlebar (11) is loaded in the handle riser cover (12), vertical tube of front fork (15) in the described front fork parts (14) is loaded in the preceding pipe (4), and handle riser (11) realizes that by steerage gear spare (7) driving type is connected with vertical tube of front fork (15).
7, sitting type light tricycle according to claim 6 is characterized in that: described steerage gear spare (7) comprises conical gear (71A), (71B), intermediary's conical gear (72); Conical gear (71A) is loaded on handle riser (11), and conical gear (71B) is loaded on vertical tube of front fork (15), and both are meshing with each other by intermediary's conical gear (72).
8, sitting type light tricycle according to claim 6 is characterized in that: described steerage gear spare (7) comprises conical gear (73A) and female cone gear (73B); Conical gear (73A) is loaded on handle riser (11), and female cone gear (73B) is loaded on vertical tube of front fork (15) and is meshing with each other with conical gear (73A).
9, sitting type light tricycle according to claim 6 is characterized in that: described steerage gear spare (7) comprises universal coupling (74), and handle riser (11) is connected by universal coupling (74) with vertical tube of front fork (15).
10, sitting type light tricycle according to claim 6 is characterized in that: described steerage gear spare (7) comprises belt wheel (75A), (75B), tape guide roller (76) and flexible belt band (77A); Belt wheel (75A) is loaded on handle riser (11), and belt wheel (75B) is loaded on vertical tube of front fork (15), and both realize that by flexible belt band (77A) driving type connects, and tape guide roller (76) is loaded between belt wheel (75A), (75B) and with flexible belt band (77A) and cooperates.
11, sitting type light tricycle according to claim 6 is characterized in that: described steerage gear spare (7) comprises sprocket wheel (75A), (75B) and chain (77B); Sprocket wheel (75A) is loaded on handle riser (11), and sprocket wheel (75B) is loaded on vertical tube of front fork (15), and both are by chain (77B) link.
12, sitting type light tricycle according to claim 6 is characterized in that: described steerage gear spare (7) comprises rocking bar (78A), (78B) and connecting rod (79); Rocking bar (78A) is loaded on handle riser (11), and rocking bar (78B) is loaded on vertical tube of front fork (15), and both are hinged by connecting rod (79).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200510036649XA CN1749092A (en) | 2005-08-23 | 2005-08-23 | Sitting type light tricycle and its frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200510036649XA CN1749092A (en) | 2005-08-23 | 2005-08-23 | Sitting type light tricycle and its frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1749092A true CN1749092A (en) | 2006-03-22 |
Family
ID=36604795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200510036649XA Pending CN1749092A (en) | 2005-08-23 | 2005-08-23 | Sitting type light tricycle and its frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1749092A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192917A (en) * | 2013-04-27 | 2013-07-10 | 重庆航天巴山摩托车制造有限公司 | Right three-wheeled motorcycle |
| CN103231764A (en) * | 2013-04-27 | 2013-08-07 | 重庆航天巴山摩托车制造有限公司 | Right three-wheel motorcycle frame |
| CN104843067A (en) * | 2015-05-11 | 2015-08-19 | 曹品业 | Arc-shaped truck frame |
| EP3162678A1 (en) * | 2015-09-30 | 2017-05-03 | Yamaha Hatsudoki Kabushiki Kaisha | Vehicle |
| EP3162688A3 (en) * | 2015-09-30 | 2017-07-19 | Yamaha Hatsudoki Kabushiki Kaisha | Vehicle |
-
2005
- 2005-08-23 CN CNA200510036649XA patent/CN1749092A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192917A (en) * | 2013-04-27 | 2013-07-10 | 重庆航天巴山摩托车制造有限公司 | Right three-wheeled motorcycle |
| CN103231764A (en) * | 2013-04-27 | 2013-08-07 | 重庆航天巴山摩托车制造有限公司 | Right three-wheel motorcycle frame |
| CN103192917B (en) * | 2013-04-27 | 2015-12-02 | 重庆航天巴山摩托车制造有限公司 | Motor tricycle |
| CN104843067A (en) * | 2015-05-11 | 2015-08-19 | 曹品业 | Arc-shaped truck frame |
| EP3162678A1 (en) * | 2015-09-30 | 2017-05-03 | Yamaha Hatsudoki Kabushiki Kaisha | Vehicle |
| EP3162688A3 (en) * | 2015-09-30 | 2017-07-19 | Yamaha Hatsudoki Kabushiki Kaisha | Vehicle |
| US9731786B2 (en) | 2015-09-30 | 2017-08-15 | Yamaha Hatsudoki Kabushiki Kaisha | Vehicle |
| US9745012B2 (en) | 2015-09-30 | 2017-08-29 | Yamaha Hatsudoki Kabushiki Kaisha | Vehicle |
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Open date: 20060322 |