CN2122817U

CN2122817U - Buffered hanging motorcycle

Info

Publication number: CN2122817U
Application number: CN 92209041
Authority: CN
Inventors: 李佐江
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-04-29
Filing date: 1992-04-29
Publication date: 1992-11-25

Abstract

The utility model relates to a buffered hanging motorcycle, comprising a front wheel assembly, a back wheel assembly, an engine assembly, a front fork assembly, a seat stand assembly, a steering assembly and an exhaust assembly. The buffered hanging motorcycle is characterized in that a vehicle frame assembly is an assembly structure which is composed of a front hanging suspension pressing type damping structure, a back cantilever and an upper arrangement top-pressure type back damping structure, therefore, the vertical vibration which comes from front wheels and the violent bumping which comes from front rear wheels can be prevented effectively by the buffered hanging motorcycle, and the buffered hanging motorcycle overcomes the defects that the front fork type dampers of the prior art have big manufacture difficulty, high technological requirement, oil leakage, etc. The utility model makes up the shortages that the material selection requirements of the existing hanging motorcycles are high, and the buffering performance is not good.

Description

Buffered hanging motorcycle

The utility model belongs to motor bike and makes the field.

Prior art in the utility model prior art field is: existing motorcycle structure is the tilting rear shock absorber in top behind preceding V shape shock absorber system and regular length rear arm and the rocking arm.

Design goal of the present utility model is: design and go up suspended structure and underlying before a kind of and hang combine behind back boom and last top set pressure type shock-damping structure and delay the impulsive force bumper and combine of pressure type hydraulic spring shock-damping structure, and body frame structure for automotive is the buffered type suspension motor bike of unit construction.

Design plan of the present utility model is: 1, design philosophy: solve existing motor bike, serious and from the front-wheel vertical vibration from the severe jolt of trailing wheel, eliminate the easy oil leakage of V shape bumper, deficiencies such as damping performance is relatively poor, manufacture difficulty is big, cost is high, complex process, the buffering of improving motor bike is hit performance, is reduced the manufacture difficulty and the cost of motor bike.On structure design, removed the V shape bumper of existing motor bike, adopted preceding upward suspended structure to hang pressure type hydraulic spring shock-damping structure and combine, can prevent vertical vibration effectively, alleviated impulsive force, improve damping effect from front-wheel with underlying; The back hang to be adopted behind movable (being the variable-length formula) back boom and the last top set pressure type shock-damping structure and is delayed the impulsive force bumper and combines, and can alleviate the impulsive force and the severe jolt of trailing wheel effectively; Adopt modular structure, be convenient to make and maintenance, for alleviating complete vehicle weight, grab frame and cantilever and adopt aluminium alloy compression casting or steel plate drawing, also can adopt common steel pipe to be welded into, forward and backward damper spring can adopt and become the rigidity form, because this car adopts movable back boom, chain gear can be changed into the transmission shaft transmission.2, organization plan: buffered type hangs motor bike, and it comprises preceding wheel assembly, rear wheel assembly, engine assembly, front fork ASSY, mounting assembly, turns to assembly, exhaust assembly.The upper cantilever of the last forward mounting of frame assembly, the two ends of lower cantalever respectively with the bogie truck assembly, grab the frame assembly and be connected, the front fork attaching parts of bogie truck assembly is connected with front fork, bumper be positioned at lower cantalever the below, grab the place ahead of frame, its upper end is installed in grabs on the frame, the lower end is connected with the bumper attaching parts, the bumper attaching parts is connected with the bottom of grabbing frame, and the upper end of suspension rod is connected with lower cantalever, the lower end is connected with the bumper attaching parts, constitutes to hang pressure type suspension shock-damping structure; The front end of the back boom of frame assembly is connected by rotating shaft with the inferior horn of cantilever attaching parts, the front portion of cantilever attaching parts is connected by rotating shaft and grabs on the frame, the lower end of main bumper attaching parts is connected by rotating shaft and grabs on the frame, the upper end together is used to install main bumper with the mounting of mounting assembly, main bumper by the four paws frame with grab frame and be connected, one end of support connecting piece is connected with the middle part of main bumper attaching parts, the other end is connected with cantilever, buffering is hit bumper and is installed between the rotating shaft and main bumper attaching parts of cantilever attaching parts, shock-damping structure behind formation back boom and the last top set pressure type.For expendable weight with strengthen heat radiation, be shaped on louvre on the frame grabbing.Bogie truck is by turning to body and front fork attaching parts to constitute, and the front fork attaching parts is connected with turning to body by rotating shaft.Turning to an end of two guide link of assembly to be connected by angle actuating spindle spare grabs on the frame, one end of next root is connected on the bogie truck, last one end is connected with the angle control piece of the steering shaft lower end that is positioned at hollow cylinder, and the upper end of steering shaft is connected with handlebar.3, principle of work: 1) the pressure type shock-damping structure is hung in forward mounting: when the motor bike fast running, because the inertia of car, front-wheel will certainly be higher or lower than ground-surface and can get over sexual dysfunction and produce a kind of impact, and this power is when passing to vehicle body by front-wheel, be converted into shaking force, when the front end of cantilever is subjected to this power, with the cantilever rear end that has seismic inertia, form the counter-force of dislocation, this counter-force can change front fork and cantilever rapidly, cantilever and the connection angle of grabbing frame, because the variation of boom angle, the upper-lower position that is connected the bumper suspension rod of lower cantalever rear lower also changes thereupon, thereby also changed the state length of bumper, during the stroke that makes this power disappear in bumper changes.Since cantilever to tilting installations in the front upper place while front-wheel is protracted with the variation of cantilever upper-lower position within the specific limits or after contract, to reach the purpose of shock absorbing power.2) back boom and last top set pressure type rear shock absorber: when motor bike when general road is travelled, owing to go up the downward pressure that the contact position at angle is subjected to the gentle shock damper of main bumper behind back boom and the cantilever attaching parts, and, remain and fit from the forward propulsion power of trailing wheel.When general vibrations, buffering is hit bumper and is done motion in the same way with main bumper attaching parts, support connecting piece and cantilever, and stroke remains unchanged, and brings into play its function by main bumper, as be higher or lower than ground-surface can get over sexual dysfunction more greatly the time, can produce an impact with the trailing wheel of motor bike.When being subjected to this power, back boom forms a kind of reversal interlocking relay (this power is directly proportional with the speed of a motor vehicle) with the seismic inertia of motor bike itself, when the speed of a motor vehicle reaches certain limit and the impulsive force that produced of obstacle will change the contact angle of cantilever and cantilever attaching parts top, make the curved line of power transmission become straight, jib-length changes, force buffering to hit the bumper compression, making impulsive force disappear in buffering hits in the stroke variation of bumper, simultaneously, because the elongation of cantilever, move after making the stress point of cantilever and main bumper, main bumper lightens to the pressure of cantilever, thereby the amplitude of upwards jolting that produces when making the trailing wheel clear an obstacle reduces greatly.After impulsive force disappeared, the angle of back boom and cantilever attaching parts was cushioned the elasticity of hitting bumper and is recovered, and jib-length restores to the original state.

The utility model compared with prior art hangs the pressure type pressure reduction structure owing to go up before adopting to hang, and shock-damping structure and assembly type body frame structure for automotive can prevent effectively from the vertical vibration of front-wheel with from the severe jolt of trailing wheel behind back boom and the last top set pressure type.Big, the deficiencies such as technological requirement is high, leakage of oil of V shape bumper manufacture difficulty before having overcome in the prior art have remedied existing suspension type motor bike selection requirement height, the slow not good deficiency of impulsive force performance.

Description of drawings:

Fig. 1 is the structural representation of buffered type motor bike.

Fig. 2 is the body frame structure for automotive scheme drawing of buffered type motor bike.

Fig. 3 is the structural representation of bogie truck.

Fig. 4 is the structural representation of upper and lower cantilever.

Fig. 5 is the structural representation of cantilever attaching parts.

Embodiment:

1～5 pair of buffered type motor bike is done with narration in conjunction with the accompanying drawings.

This car by preceding wheel assembly 19, forward mounting, grab that frame 1, connecting device, driving engine 2, back hang, rear wheel assembly 20 is formed.

Forward mounting is made up of upper cantilever 3, lower cantalever 4, bogie truck 6, front fork 7, bumper 5, attaching parts 8, attaching parts 9.

The front end of upper cantilever 3, lower cantalever 4 respectively with bogie truck 6 turn to body, be connected the rear end respectively with grab frame 1 and be connected.The front fork stem of regular length just is fixed on the bogie truck 6.The upper end of bumper 5 is installed in grabs on the frame, and the lower end is connected with attaching parts 9, and the rear end of attaching parts 9 is connected grabs on the frame, and intermediate point is connected by suspension rod 8 with the rear lower of back boom, has so just formed one group and has hung pressure type suspension shock mitigation system.

Driving engine 2 just is installed in grabs frame 1 inside.The back hangs by back boom 11, cantilever attaching parts 12, bumper attaching parts 13,18, main bumper 14, buffering and hits bumper 10 and form.

The front end of back boom 11 is connected by a rotating shaft with the inferior horn of cantilever attaching parts 12, the preceding angle of going up of cantilever attaching parts 12 is connected the rear lower of grabbing frame 1 by rotating shaft, the lower end of attaching parts 13 is connected the upper back of grabbing frame 1, attaching parts 18 is installed in the intermediate point of attaching parts 13, be installed in the C point of mounting 17 and the upper end of attaching parts 13 with back boom front upper part, 14 in main bumper, buffering is hit bumper 10 and is installed in the posterior angle of cantilever attaching parts 12 and the bottom of attaching parts 13.Like this with regard to the posterior angle that makes cantilever attaching parts 12 cushioned the pressure that hits bumper force 12 afterwards go up the front upper part that the angle is close to cantilever 11 all the time, make rear-mounted power transmission line form " " shape.Form one group of roof pressing type suspension and buffering and hit the back shock mitigation system.

Turn to assembly by angle control piece 15, bogie truck 6, hollow cylinder 21, angle control piece 22, connecting rod 16, bogie car 23 and steering shaft constitute.Steering shaft 24 is installed in the hollow cylinder 21, one end of two guide link 16 is connected by angle actuating spindle spare 15 and grabs on the frame 1, one end of next root is connected on the bogie truck 6, last one other end is connected with the angle control piece 22 of the steering shaft 24 that is positioned at hollow cylinder 21, and the upper end of steering shaft 24 is connected 23 with bogie car.Bogie truck 6 is by front fork attaching parts 26 and turn to body 27 to constitute.

Claims

1, a kind of buffered type hangs motor bike, it comprises preceding wheel assembly, rear wheel assembly, engine assembly, front fork ASSY, the mounting assembly, turn to assembly, the exhaust assembly, it is characterized in that: the upper cantilever of hanging on the front overhang of frame assembly, the two ends of lower cantalever respectively with the bogie truck assembly, grabbing the frame assembly connects, the front fork attaching parts of bogie truck assembly is connected with front fork, bumper is positioned at the below of lower cantalever, grab the place ahead of frame, its upper end is installed in grabs on the frame, the lower end is connected with the front shock absorber attaching parts, the front shock absorber attaching parts is connected with the bottom of grabbing frame, the upper end of suspension rod is connected with lower cantalever, the lower end is connected with the bumper attaching parts, constitutes forward mounting and hangs the pressure type shock-damping structure; The front end of the back boom of frame assembly is connected by rotating shaft with the cantilever attaching parts, the front portion of cantilever attaching parts is connected by rotating shaft and grabs on the frame, the lower end of main damper attaching parts is connected by rotating shaft and grabs on the frame, the upper end is connected with main bumper, main bumper by the four paws frame with grab frame and be connected, one end of support connecting piece is connected with the middle part of main bumper attaching parts, the other end is connected with back boom, buffering hit bumper be installed in cantilever attaching parts inferior horn rotating shaft and and main bumper attaching parts between, constitute shock-damping structure behind back boom and the last top set pressure type.

2, buffered type according to claim 1 hangs motor bike, it is characterized in that: grab and be shaped on louvre on the frame.

3, buffered type according to claim 1 hangs motor bike, it is characterized in that: turn to an end of two guide link of assembly to be connected and grab on the frame by angle actuating spindle spare, one end of next root is connected on the bogie truck, last one end is connected with the angle control piece of the steering shaft lower end that is positioned at hollow cylinder, and the upper end of steering shaft is connected with handlebar.