CN2910757Y

CN2910757Y - Motor bicycle

Info

Publication number: CN2910757Y
Application number: CN 200620110918
Authority: CN
Inventors: 冯世伟
Original assignee: Chongqing Zongshen Technology Development and Research Co Ltd
Current assignee: Chongqing Zongshen Technology Development and Research Co Ltd
Priority date: 2006-07-07
Filing date: 2006-07-07
Publication date: 2007-06-13
Anticipated expiration: 2016-07-07

Abstract

The utility model relates to a motor bicycle, the stander of the motor bicycle comprises two parallel upward carlings, two parallel downward bending girders, and a main pipe of the headstock. The back end of the stander is hinged with a triangle flat fork by a flat fork shaft. A back segment is arranged on the upward carling to reduce the height of seat and extend downward aslant and gradually. An upward oblique fork pipe of the triangle flat fork extends along the extending line of the back segment of the upward carling. A back damper is horizontally parallel to the back segment of the upward carling and is positioned on the downside of the seat. The front and back end of the back damper is hinged with the up carling and the triangle flat fork separately. An air filter is arranged close to the connection portion of the upward carling and the downward bending girder, and a water cooler is arranged on the downward bending girder. A water cooler engine is fixed on the hang support of the stander. A front shelf pin is arranged on the front corner of the down end of the downward bending girder on the stander and extends from the left and right sides of the stander, which can reduce the height of seat, improve the damping effect and increasing the comfort of driving.

Description

Two-wheeled motor vehicle

Technical field

The utility model relates to a kind of motor bike, particularly a kind of riding type two-wheel motorcycle that is commonly called as to Harly Scooter.

Background technology

The present vehicle frame that is commonly called as to the riding type two-wheel motorcycle of Harly Scooter generally is a camber beam of welding and lower inclined beam on headstock is responsible for, the rear end fork of camber beam downwards, be connected with lower inclined beam lower end bonded assembly underframe, the after-frame of supporting saddle and camber beam welding, driving engine is positioned on the underframe, and the oblique back upper place that is positioned at driving engine is provided with airfilter.Because the residing position of airfilter is positioned at below-seat, occupied the vehicle seat position, therefore making to reduce the vehicle seat height is that being provided with of the purpose vehicle seat position of improving the Harly Scooter of riding traveling comfort is not ideal enough.Especially at the people of medium height and the medium-sized Harly Scooter of making, especially because its vehicle frame adopts a camber beam and lower inclined beam that is positioned at vehicle body longitudinal central axis line, the available space of vehicle frame installing component is restricted, cause airfilter not find suitable installation site as yet, the purpose that further reduces vehicle seat can't realize.Because the position of vehicle seat is higher, after the position of driver's leg rest was just leaned on relatively, the knee angle the when driver is ridden was less relatively, the traveling comfort that influence is ridden.And limited because of the available space of vehicle frame installing component, the storage battery of motor bike normally is arranged on a left side or the right side of below-seat, has strengthened body width, causes thus to straddle the width increase, and traveling comfort is ridden in influence.And because the rear shock absorber of present medium-sized Harly Scooter normally vertically is installed between after-frame and the chain stay front portion, the design of its damping stroke is restricted, and therefore can't further improve the damping performance of motor bike, the traveling comfort that influence is ridden.The front shock absorber of present medium-sized Harly Scooter is normally taked the bumper breeches pipe to be positioned at the top to captive joint with the device that is used to turn to, and shock-absorber cylinder is positioned at the fit beneath front-wheel, and this setup has certain influence to the damping effect of preceding damping.

Summary of the invention

The purpose of this utility model is at the problems referred to above, provide a kind of vehicle frame to adopt two riding type two-wheel motorcycles of being commonly called as of going up longerons and two camber beams down for Harly Scooter, it can either reduce the vehicle seat height and improve damping effect, strengthen the traveling comfort of riding, help again the configuration major part being installed, solved the difficulty on motorcycle part is arranged along motor bike longitudinal central axis line.

The purpose of this utility model is achieved in that the device that the headstock of the vehicle frame front end of motor bike is responsible for by being used to turn to connects front shock absorber, front-wheel is assemblied in the front shock absorber lower end, the vehicle frame rear end is by the hinged chain stay of bottom fork axis, trailing wheel is assemblied in the chain stay tail end, described chain stay is one and has the triangle chain stay of going up oblique breeches pipe, described vehicle frame is provided with two last longerons that are welded in the headstock person in charge side by side that separate, last longeron has and is used to reduce the vehicle seat height and the back segment of downward-sloping extension gradually, the last oblique breeches pipe of triangle chain stay extends along the extension line of last longeron back segment, triangle chain stay and vehicle frame are combined into a triangle, a rear shock absorber of establishing vertically for sleeping in is parallel to the back segment setting of the downward-sloping extension of longeron, be positioned at below-seat, the front end of rear shock absorber is articulated in the back segment of the downward-sloping extension of longeron, the rear end is articulated in the last oblique breeches pipe of triangle chain stay, described vehicle frame is provided with two following camber beams that are welded in the headstock person in charge side by side that separate, the rear end of last longeron is welded in down the section of extending upward at camber beam rear portion, an airfilter is arranged on the last longeron of vehicle frame front portion, following camber beam and headstock are responsible near the junction, on the following camber beam of airfilter below water cooler is set, a liquid-cooled engine is fixed in the suspension strut that is provided with on the vehicle frame, be positioned at the oblique below of airfilter and the rear of water cooler, be provided with at front hook place and extend the preceding leg rest of the vehicle frame left and right sides near camber beam lower end under the vehicle frame.

Owing to adopted such scheme:

Described vehicle frame adopts two last longerons that are welded in the headstock person in charge side by side that separate, with two following camber beams that are welded in the headstock person in charge side by side that separate, longeron, following camber beam and headstock are responsible for space, bonded assembly trigonum secondary water tank and airfilter are set in the utilization, airfilter two separate be set up in parallel between the longeron, make the airfilter that is positioned at below-seat originally preposition, provide condition for reducing the vehicle seat height and horizontal rear shock absorber being set to the vehicle frame front portion; Simultaneously, last longeron has for reducing the vehicle seat height back segment of downward-sloping extension gradually, and vehicle seat makes the configuration of the vehicle seat that has reduced height install and can be achieved by this back segment supporting of downward-sloping extension gradually.And on the longeron fuel tank is installed on two, the fuel tank that can eliminate existing riding type two-wheel motorcycle is to be fixed on the bigger depression that a post beam is provided with, and the volume of fuel tank can be increased.

A rear shock absorber of establishing vertically for sleeping in is parallel to the back segment setting of the downward-sloping extension of longeron, be positioned at below-seat, the front end of rear shock absorber is articulated in the back segment of the downward-sloping extension of longeron, the rear end is articulated in the last oblique breeches pipe of triangle chain stay, damping stroke in back can be increased, improve the back damping effect of motor bike, strengthen the traveling comfort of riding motor bike.Owing to saved the rear shock absorber that former two-wheeled motor vehicle is positioned at the trailing wheel both sides, make the structure at motor bike rear portion more succinct, also reduced productive costs simultaneously.Described front shock absorber is inverted and is provided with, and the end tube of front shock absorber is positioned at the top captives joint with the device that is used to turn to, and the breeches pipe of front shock absorber is positioned at the fit beneath front-wheel, and the motion that makes the bumper breeches pipe can improve preceding damping effect freely.

The place ahead of airfilter is provided with secondary water tank, on two following camber beams of airfilter below fixedly water cooler is set, " V " type twin-tub liquid-cooled engine is fixed in the suspension strut that is provided with on the vehicle frame, be positioned at the oblique below of airfilter and the rear of water cooler, its cooling performance can be guaranteed, and then the assurance engine performance, the while also makes the connection and reasonable arrangementization of these parts.

The front rake of described front shock absorber can improve the stability of travelling and the traveling comfort of manipulation greater than 30 degree; Extend the preceding leg rest of the vehicle frame left and right sides in the kyphotic angle place setting near camber beam lower end under the vehicle frame, the knee angle bending that makes the driver is in comfort conditions; With the former storage battery that is usually located at a below-seat left side or right side, move between the section of extending upward at two following camber beam rear portions that are set up in parallel that separate and be provided with, reduce to ride the body width at position; Can after increase of the wheelbase between the front and back wheel of motor bike and vehicle seat reduction, still can guarantee the comfortable of riding manipulation and rider thus.

The diameter of described front-wheel can improve the ability of front-wheel clear an obstacle greater than the diameter of trailing wheel, reduces vibrations; It is wide that the wheel of trailing wheel is wider than the wheel of front-wheel, can strengthen the load-carrying capacity and the riding stability of trailing wheel.

The invention will be further described below in conjunction with drawings and Examples.

Description of drawings

Fig. 1 is the structural representation of the utility model motor bike;

Fig. 2 is the omission fuel tank of the utility model motor bike and the schematic top plan view of vehicle seat.

In the accompanying drawing, 1 is front-wheel, and 2 is front shock absorber, 3 is secondary water tank, and 4 is the headstock person in charge, and 5 is the device that is used to turn to, 6 is steering handle, and 7 is airfilter, and 8 is reinforced pipe, 9 is last longeron, and 10 is fuel tank, and 11 is " V " type twin-tub liquid-cooled engine, 12 is journal stirrup, and 13 is rear shock absorber, and 14 is storage battery, 15 is the triangle chain stay, and 16 is trailing wheel, and 17 is noise silencer, 18 is bottom fork axis, and 19 is the back suspension strut, and 20 are the gear shift arm, 21 is preceding leg rest, 22 are the forward mounting support, and 23 is brake control lever, and 24 is water cooler, 25 are following camber beam, and 26 is vehicle seat.

The specific embodiment

Referring to Fig. 1, Fig. 2, the vehicle frame of motor bike adopts two headstocks that are welded in side by side that separate to be responsible for 4 last longeron 9, with two following camber beams 25 that are welded in the headstock person in charge side by side that separate, the rear end of last longeron 9 is welded in down the section of extending upward at camber beam 25 rear portions, the headstock of vehicle frame front end is responsible for and is connected the rotating device that is used to turn to 5 on 4, the device 5 and the front shock absorber 2 that are used to turn to are bolted to connection, and steering handle 6 is fastened on the device that is used to turn to.Described front shock absorber 2 adopts to be inverted and is provided with, the end tube of front shock absorber is positioned at the top and is bolted to connection with the device 5 that is used to turn to, the breeches pipe of front shock absorber is positioned at fit beneath front-wheel 1, and front wheel spindle cooperates with the interporal lacuna of the breeches pipe of front shock absorber, and the front rake of front shock absorber 2 is 32 degree.The journal stirrup near the lower end welding of the section of extending upward at camber beam 25 rear portions passes through bottom fork axis 18 hinged triangle chain stays 15 under the vehicle frame, and trailing wheel 16 is assemblied in triangle chain stay tail end.The diameter of described front-wheel is greater than the diameter of trailing wheel, and it is wide that the wheel of trailing wheel is wider than the wheel of front-wheel.Two last longerons 9 arranged side by side that separate have for reducing the vehicle seat height back segment of downward-sloping extension gradually, and the last oblique breeches pipe of triangle chain stay 15 extends along the extension line of last longeron back segment, and triangle chain stay and vehicle frame are combined into a triangle.A rear shock absorber 13 of establishing vertically for sleeping in is parallel to the back segment setting of longeron 9 downward-sloping extensions, be positioned at below-seat, the journal stirrup 12 that welds on the back segment of the front end bearing pin of described rear shock absorber 13 and the 9 downward-sloping extensions of last longeron is hinged, the position is corresponding to the junction of fuel tank of installing on the last longeron 10 and vehicle seat 26, the journal stirrup that welds on the last oblique breeches pipe of the rear end of rear shock absorber 13 by bearing pin and triangle chain stay 15 is hinged, and the position is corresponding to the junction of last longeron rear end with following camber beam.The last longeron 9 of vehicle frame front portion, following camber beam 25 are responsible near the trigonum that forms 4 junctions with headstock airfilter 7 are set, airfilter 7 is between the longeron 9 and room between last longeron 9 and the following camber beam 25 on two separate arranged side by side, on the journal stirrup of last longeron welding, its both sides, lower end are by following camber beam 25 and be welded on longeron, descend reinforced pipe 8 fixed pedestals between the camber beam by bolted in the both sides, top of airfilter.The place ahead of airfilter 7 is provided with secondary water tank 3, secondary water tank 3 by between the last longeron and the fixed block between the following camber beam be connected and fixed.On the following camber beam 25 of airfilter 7 belows water cooler 24 is set, water cooler 24 is by being bolted on the two following camber beams 25 arranged side by side, and water cooler is communicated with secondary water tank 3." V " type twin-tub liquid-cooled engine 11 is by being bolted in the forward mounting support 22 and back suspension strut 19 of welding on the vehicle frame, be positioned at the oblique below of airfilter 7 and the rear of water cooler 24, the Coolant gallery of " V " type twin-tub liquid-cooled engine is communicated with water cooler, the carburettor of " V " type twin-tub liquid-cooled engine is communicated with airfilter and fuel tank 10 respectively, and fuel tank 10 is connected and fixed by the journal stirrup of longeron 9 on bolt and two.Be bolted to connection the preceding leg rest 21 that extends the vehicle frame left and right sides at front hook place, near the preceding leg rest 21, help the driver and handle about laying respectively at driving engine bonded assembly brake control lever 23, gear shift arm 20 near camber beam 25 lower ends under the vehicle frame.A noise silencer 17 is fixed on vehicle frame one side, is communicated with by freeing pipe with the deflation hole of " V " type twin-tub liquid-cooled engine 11.Between the section of extending upward at described two following camber beam 25 rear portions arranged side by side that separate storage battery 14 is set, storage battery 14 is positioned at vehicle seat 26 belows.Vehicle seat 26 is fixed on the back segment of longeron 9 downward-sloping extensions and the welding intersection top of the section of extending upward at following camber beam 25 rear portions by bolt, the position height of vehicle seat is reduced.

Arrange by said structure and reasonable optimizing thereof, make the vehicle seat of the utility model riding type two-wheel crown prince motor bike can be reduced to the height that suitable mesosomatous crowd takes, preceding leg rest is set to the position that is fit to the comfortable placement of mesosomatous crowd, front shock absorber adopts the inversion setting that can improve damping effect, rear shock absorber adopts and can increase the horizontal setting that the damping stroke improves damping effect, strengthens damping property and rides traveling comfort.

Claims

1. two-wheeled motor vehicle, the device that the headstock of the vehicle frame front end of motor bike is responsible for by being used to turn to connects front shock absorber, front-wheel is assemblied in the front shock absorber lower end, the vehicle frame rear end is by the hinged chain stay of bottom fork axis, trailing wheel is assemblied in the chain stay tail end, it is characterized in that: described chain stay is one and has the triangle chain stay of going up oblique breeches pipe, described vehicle frame is provided with two last longerons that are welded in the headstock person in charge side by side that separate, last longeron has and is used to reduce the vehicle seat height and the back segment of downward-sloping extension gradually, the last oblique breeches pipe of triangle chain stay extends along the extension line of last longeron back segment, triangle chain stay and vehicle frame are combined into a triangle, a rear shock absorber of establishing vertically for sleeping in is parallel to the back segment setting of the downward-sloping extension of longeron, be positioned at below-seat, the front end of rear shock absorber is articulated in the back segment of the downward-sloping extension of longeron, the rear end is articulated in the last oblique breeches pipe of triangle chain stay, described vehicle frame is provided with two following camber beams that are welded in the headstock person in charge side by side that separate, the rear end of last longeron is welded in down the section of extending upward at camber beam rear portion, an airfilter is arranged on the last longeron of vehicle frame front portion, following camber beam and headstock are responsible near the junction, on the following camber beam of airfilter below water cooler is set, a liquid-cooled engine is fixed in the suspension strut that is provided with on the vehicle frame, be positioned at the oblique below of airfilter and the rear of water cooler, be provided with at front hook place and extend the preceding leg rest of the vehicle frame left and right sides near camber beam lower end under the vehicle frame.

2. two-wheeled motor vehicle according to claim 1 is characterized in that: described front shock absorber is inverted and is provided with, and the end tube of front shock absorber is positioned at the top captives joint with the device that is used to turn to, and the breeches pipe of front shock absorber is positioned at the fit beneath front-wheel.

3. two-wheeled motor vehicle according to claim 1 and 2 is characterized in that: the front rake of described front shock absorber is greater than 30 degree.

4. two-wheeled motor vehicle according to claim 1, it is characterized in that: the journal stirrup that welds on the front end of described rear shock absorber and the last longeron is hinged, junction corresponding to fuel tank of installing on the last longeron and vehicle seat, the journal stirrup that welds on the last oblique breeches pipe of the rear end of rear shock absorber and triangle chain stay is hinged, corresponding to the junction of last longeron rear end with following camber beam.

5. two-wheeled motor vehicle according to claim 1 is characterized in that: the anterior position of described airfilter is provided with a secondary water tank.

6. two-wheeled motor vehicle according to claim 1 is characterized in that: between the section of extending upward at described two following camber beam rear portions arranged side by side that separate storage battery is set.

7. two-wheeled motor vehicle according to claim 1 is characterized in that: the diameter of described front-wheel is greater than the diameter of trailing wheel, and it is wide that the wheel of trailing wheel is wider than the wheel of front-wheel.

8. two-wheeled motor vehicle according to claim 1 is characterized in that: described liquid-cooled engine is " V " type twin-tub liquid-cooled engine.