CN1836965B - Chassis structure for pedal type scooter - Google Patents
Chassis structure for pedal type scooter Download PDFInfo
- Publication number
- CN1836965B CN1836965B CN2006100680405A CN200610068040A CN1836965B CN 1836965 B CN1836965 B CN 1836965B CN 2006100680405 A CN2006100680405 A CN 2006100680405A CN 200610068040 A CN200610068040 A CN 200610068040A CN 1836965 B CN1836965 B CN 1836965B
- Authority
- CN
- China
- Prior art keywords
- vehicle
- frame
- vehicle frame
- floor
- frame portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
- B62K11/02—Frames
- B62K11/10—Frames characterised by the engine being over or beside driven rear wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K2202/00—Motorised scooters
Abstract
The invention provides a frame structure of a scooter type vehicle in which a left and a right side frame are joined with a head pipe to bear a front fork supporting the front wheels in such a way as capable of being steered, capable of enhancing the stiffness around a body side pivot sufficiently while a large size construction of the side frames is avoided and of widening the space of the floor rear part. The scooter type vehicle is structured so that a pivot plate 36 is installed between the side frames 13 continued to a lower frame part 13b passing under the floor 16 and the tail of the lower frame part 13b and having a rising frame part 13c rising in the rear of the floor 26 and a rear sub-frame 18 installed on the side frames 13 in such an arrangement that at least one part is located in the rear of the rising frame part 13c, and a body frame side pivot 45 of a link mechanism 42 installed between a body frame F and a power unit P is borne by the pivot plate 36.
Description
Technical field
The present invention relates to a kind of chassis structure of pedal type vehicle, on a pipe that can support front fork, engaging pair of right and left sidecar frame with turning to, this front fork pivot suspension front-wheel.
Technical background
For example, by patent documentation 1 known following pedal type vehicle, promptly, be bonded on described head pipe and be configured in the following pipe of pair of right and left of the below of both sides vehicle frame by front end, sidecar frame to pair of right and left is strengthened, the following vehicle frame portion that the sidecar frame of this pair of right and left has the decline vehicle frame portion that pipe from the beginning hangs down integratedly downwards and rearward extends from the lower end of this decline vehicle frame portion.
No. 3423487 communique of [patent documentation 1] patent
But, in described patent documentation 1 in the disclosed pedal type vehicle, the rear end of sidecar frame and following pipe interconnects fixing by suspension bracket, the vehicle body frame side pivot of the connecting rod mechanism that is provided with between vehicle body frame and power unit is supported by suspension bracket, in such chassis structure, because big load is applied to the connecting portion of sidecar frame and following pipe and suspension bracket, so wish to make sidecar frame and pipe maximization down, further improve vehicle body frame side pivot rigidity on every side, but, if the sidecar frame and down pipe maximize, then except weight increases as a whole, it is narrow that the space at rear, floor also can stenosis.
The present invention is in view of relevant situation, with the chassis structure that a kind of pedal type vehicle is provided is first purpose, the chassis structure of this pedal type vehicle has simultaneously been avoided the maximization of sidecar frame, in the rigidity of one side around fully having improved the body side pivot, can enlarge the space at the rear on floor.
In addition, in described patent documentation 1 in the disclosed pedal type vehicle, the sidecar frame has the decline vehicle frame portion that pipe from the beginning hangs down integratedly downwards and the following vehicle frame portion ground that rearward extends from the lower end of this decline vehicle frame portion is made of tubing, be to join formation on the sidecar frame to supporting by bus support tube with seat, the part number is many, simultaneously, the assembling of vehicle body frame is also many man-hour.
The present invention is second purpose in view of relevant situation with the chassis structure that a kind of pedal type vehicle is provided, and the chassis structure of this pedal type vehicle can reduce the part number and assemble man-hour.
Summary of the invention
In order to realize described first purpose, the described invention of first technical scheme is a kind of chassis structure of pedal type vehicle, on a pipe that can support front fork, engaging the sidecar frame of pair of right and left with turning to, this front fork pivot suspension front-wheel, it is characterized in that, pivot plate is set respectively between the Rear secondary frame for vehicle of described both sides vehicle frame and pair of right and left, described both sides vehicle frame has by the following vehicle frame portion of the below on floor and the vehicle frame portion that erects that links to each other and erect upward at the rear on described floor with the rear end of this time vehicle frame portion, and described a pair of Rear secondary frame for vehicle is configured at least a portion and describedly erects the rear of vehicle frame portion and be installed on the vehicle frame of described both sides; Vehicle body frame comprises described head pipe, described both sides vehicle frame and described Rear secondary frame for vehicle, and the vehicle body frame side pivot of the connecting rod mechanism that is provided with between this vehicle body frame and power unit is supported by described pivot plate.
In addition, the described invention of second technical scheme is on the basis of the formation of the described invention of first technical scheme, it is characterized in that the pars intermedia of described two Rear secondary frame for vehicle is bent, and makes its vehicle frame portion that erects side near described both sides vehicle frame.
In order to realize described second purpose, the described invention of the 3rd technical scheme is a kind of chassis structure of pedal type vehicle, on a pipe that can support front fork, engaging the sidecar frame of pair of right and left with turning to, this front fork pivot suspension front-wheel, it is characterized in that, described both sides vehicle frame has decline vehicle frame portion, following vehicle frame portion integratedly, erects vehicle frame portion, seat rail portion, is respectively to be formed by the mono-canal curvature, and this decline vehicle frame portion hangs down downwards from described head pipe; This time vehicle frame portion links to each other with the lower end of this decline vehicle frame portion and the below on the floor by low-floor type, rearward extends; This erects vehicle frame portion and links to each other with the rear end of following vehicle frame portion and erect upward at the rear on described floor; This seat rail portion uses seat by bus in order to support, and rearward extends from the described upper end that erects vehicle frame portion.
Have again, the described invention of the 4th technical scheme is on the basis of the formation of the described invention of the 3rd technical scheme, it is characterized in that, described sidecar frame and duct member dispose side by side, when making side-looking the place ahead on described floor, below and the rear paired, described duct member is littler than sidecar frame diameter, is used to strengthen described sidecar frame.
In addition, the central vehicle frame 14,54 of embodiment, Rear secondary frame for vehicle 18,61, U word shape portion 32 and binding vehicle frame 55 are corresponding with duct member of the present invention.
The effect of invention
According to the described invention of first technical scheme, because be on the pivot plate that is provided with between Rear secondary frame for vehicle and the sidecar frame, the vehicle body frame side pivot of connecting rod mechanism is supported, this Rear secondary frame for vehicle at least a portion is configured in the rear that erects vehicle frame portion that the sidecar frame had and is installed on the sidecar frame, so can simultaneously avoid the maximization of sidecar frame, one side improves the rigidity around the vehicle body frame side pivot, by avoiding the maximization of sidecar frame, can enlarge the rear space on floor.
In addition, according to the described invention of second technical scheme, can simultaneously avoid the interference of power unit and Rear secondary frame for vehicle, one side is configured in front side with power unit, further shortens wheelspan.
According to the described invention of the 3rd technical scheme, because sidecar frame one has decline vehicle frame portion, following vehicle frame portion, erects vehicle frame portion and seat rail portion, be to form, so can reduce the part kind, the assembling man-hour that can seek to reduce vehicle body frame simultaneously by the mono-canal curvature.
Have again,, can constitute the vehicle body frame of light weight and high rigidity according to the described invention of the 4th technical scheme.
Description of drawings
Fig. 1 is the lateral plan of the pedal type vehicle of first embodiment.
Fig. 2 is the lateral plan of vehicle body frame.
Fig. 3 be Fig. 23 to looking birds-eye view.
Fig. 4 be Fig. 24 to looking front view.
Fig. 5 is the vertical profile lateral plan of the formation of expression connecting rod mechanism.
Fig. 6 is the lateral plan of the pedal type vehicle of second embodiment.
Fig. 7 is the lateral plan of vehicle body frame.
Fig. 8 be Fig. 78 to looking birds-eye view.
Fig. 9 be Fig. 79 to looking front view.
Figure 10 is the lateral plan of the formation of expression connecting rod mechanism.
The specific embodiment
Below, the embodiments of the invention shown in illustrate embodiments of the present invention with reference to the accompanying drawings.
Fig. 1-Fig. 5 is the expression first embodiment of the present invention, and Fig. 1 is the lateral plan of pedal type vehicle, and Fig. 2 is the lateral plan of vehicle body frame, Fig. 3 be Fig. 23 to looking birds-eye view, Fig. 4 be Fig. 24 to looking front view, Fig. 5 is the vertical profile lateral plan of the formation of expression connecting rod mechanism.
At first, in Fig. 1, on the head pipe 12 of the front end of the vehicle body frame FA that pedal type vehicle had on floor 26 with low-floor type, can support front fork 11 with turning to, this front fork 11 pivot suspension front-wheel WF, the two ends of the shaft-like steering tiller 21 that links to each other on the top with front fork 11 are provided with handle 22 respectively.In addition, carry out speed change and the front portion of the power unit P that constitutes to the change-speed box M that trailing wheel WR transmits by driving engine E with to power from this driving engine E, can be bearing on the vehicle body frame FA by connecting rod mechanism 42 with swinging up and down, above-mentioned trailing wheel WR is by the rear support of power unit P, between the rear portion of the rear portion of vehicle body frame FA and power unit P back damper unit 23 is set.
Vehicle body frame FA has: above-mentioned head pipe 12; Leading section is managed the sidecar frame 13 of 12 pair of right and left that engage with this At both sides vehicle frame 13 ... between from above-mentioned head pipe 12 by sidecar frame 13 ... the front portion near the central vehicle frame 14 that hangs down downwards; From above-mentioned head pipe 12 persons in charge that hang down 15; Link both sides vehicle frame 13 ... the front portion between, and the front frame crossbeam 16 that the above-mentioned person in charge's 15 lower end is engaged; Be configured in the below on above-mentioned floor 26, to above-mentioned central vehicle frame 14 and both sides vehicle frame 13 ... the binding vehicle frame of strengthening 17; Be installed in both sides vehicle frame 13 ... on the Rear secondary frame for vehicle 18 of pair of right and left Link both sides vehicle frame 13 ... the rear end between rear portion cross member of frame 19.
Vehicle body frame FA is synthesized resinous vehicle body cover 24 and covers, and this vehicle body cover 24 has: the leg shield 25 that covers shank the place ahead of driver; The floor 26 that links to each other with the bottom of leg shield 25 for the pin that carries the driver; Link to each other with floor 26, cover the side cover 27 of body tail from both sides, on side cover 27, be provided with double seat by bus with seat 30, should be by bus with seat 30 from can cover containing box 28 with opening and closing and be configured in the Fuel Tank 29 at the rear of this containing box 28.
In Fig. 2-Fig. 4, sidecar frame 13 has the decline vehicle frame 13a of portion, the following 13b of vehicle frame portion integratedly, erects the 13c of vehicle frame portion, the 13d of seat rail portion, is to be formed by the moulding of mono-canal curvature, and from the beginning this decline vehicle frame 13a of portion manages 12 and hang down downwards; This time vehicle frame 13b of portion links to each other with the lower end of this decline vehicle frame 13a of portion and rearward extends below floor 26; This erects the 13c of vehicle frame portion and links to each other with the rear end of the following vehicle frame 13b of portion and erect upward at the rear on above-mentioned floor 26; The 13d of this seat rail portion uses seat 30 by bus in order to support, and rearward extends from the upper end that erects the 13c of vehicle frame portion.
The above-mentioned 13b of vehicle frame portion down is made of horizontal component 13ba and sloping portion 13bb, and this horizontal component 13ba rearward extends on approximate horizontal ground from the lower end of the decline vehicle frame 13a of portion, and this sloping portion 13bb tilts to the back upper place from the rear end of this horizontal component 13ba.
Above-mentioned binding vehicle frame 17 be configured in both sides vehicle frame 13 the following vehicle frame 13b of portion the top and below floor 26, constitute by U word shape portion 32 and support sector 33, this U word shape portion 32 forms when overlooking front end osed top U word shape roughly, and rearward end links to each other with the sloping portion 13bb of the following vehicle frame 13b of portion of above-mentioned both sides vehicle frame 13, this support sector 33 links the decline vehicle frame 13a of portion of and the above-mentioned both sides vehicle frame 13 central by Width of the leading section of this U word shape portion 32 and the portion of setting that is connected of the following 13b of vehicle frame portion, in this embodiment, U word shape portion 32 is by the mono-bending pipes littler than sidecar frame 13 diameters formed, and, by the duct member 34 of pair of right and left, 34 support sectors 33 that constitute are attached at two positions of the close Width central authorities of leading section of U word shape portion 32 the decline vehicle frame 13a of portion and descend the connection of the 13b of vehicle frame portion that portion is set.
So when side-looking, the following vehicle frame 13b of portion of sidecar frame 13 and littler and be configured in down the U word shape portion 32 of the top of the 13b of vehicle frame portion than sidecar frame 13 diameters is in over the ground configuration side by side up and down below floor 26.
Central authorities' vehicle frame 14 has the shape of cross section of the rectangle of the width W 1 (with reference to Fig. 4) that the makes the overall width direction horizontal length bigger than the width W 2 (with reference to Fig. 2) of fore-and-aft direction, can be to constitute by the barrel-contoured pipe in side, and also can be casting.The lower end that makes top be attached at the central vehicle frame 14 on the person in charge 15 engages with the leading section Width central authorities of the U word shape portion 32 of above-mentioned binding vehicle frame 17.So, when side-looking, the decline vehicle frame 13a of portion of sidecar frame 13 and central vehicle frame 14 on the floor the place ahead of 26 in couples before and after configuration side by side, this central authorities' vehicle frame 14 looks like when side-looking than the little tubing of the decline vehicle frame 13a of portion diameter.
At above-mentioned both sides vehicle frame 13 ... on, at least a portion is installed to be configured in and to erect the 13c of vehicle frame portion ... the Rear secondary frame for vehicle 18 of pair of right and left at rear ... in the present embodiment, Rear secondary frame for vehicle 18 be configured in sidecar frame 13 the following vehicle frame 13b of portion the below and be at the rear that erects the 13c of vehicle frame portion, the front end of Rear secondary frame for vehicle 18 is in the place ahead of comparing with the junction surface of the U word shape portion 32 that links vehicle frame 17, engage with the front end back of the sloping portion 13bb of the following vehicle frame 13b of portion, the rear end of Rear secondary frame for vehicle 18 engaged with the following of forward portion of the 13d of seat rail portion of sidecar frame 13.
And, two Rear secondary frame for vehicle 18 ... the pars intermedia bending, near sidecar frame 13 ... the 13c of the vehicle frame portion that erects ... side is below this curve, at both sides vehicle frame 13 ... and two Rear secondary frame for vehicle 18 ... between pivot plate 36 is set respectively ...
Rear secondary frame for vehicle 18 is by constituting than the little tubing of sidecar frame 13 diameters, when side-looking, the following vehicle frame 13b of portion of sidecar frame 13 and erect the 13c of vehicle frame portion and the Rear secondary frame for vehicle 18 that constitutes by the little tubing of diameter below floor 26 and the configuration side by side in couples of rear.
Express as Fig. 1, between the decline vehicle frame 13a of portion and above-mentioned central vehicle frame 14 of above-mentioned both sides vehicle frame 13, dispose radiator 37, be set at the lower position of the above-below direction center CP of radiator 37 above the above-mentioned floor 26.
Express as Fig. 4, on the strut 39,39 of pair of right and left, the strut 39,39 of this pair of right and left is arranged on the front frame crossbeam 16 hold-down arm 38,38 of pair of right and left on top that is arranged on radiator 37 by resilient mounting.In addition; be engaged with both sides vehicle frame 13 from the two ends, the left and right sides of the protective tube 40 of front side radiator cover 37 bottoms ... the decline vehicle frame 13a of portion ... the front, lower end, the lower central of radiator 37 at resilient mounting on the strut 41 of the central portion of this protective tube 40.
In the lump with reference to Fig. 5, the connection that stay bearing plate 43 rearward is fixed on the following vehicle frame 13b of portion of sidecar frame 13 highlightedly and erects the 13c of vehicle frame portion is provided with in the portion, in the bottom of the driving engine E of power unit P carriage 44 is set.
And connecting rod mechanism 42 has: by the first connecting rod arm 46 of the pair of right and left of vehicle body frame side pivot 45 rotatably supports on above-mentioned pivot plate 36; Be attached at the second connecting rod arm 48 on the other end of first connecting rod arm 46 rotationally by connection shaft 47 1 ends; Be fixed on the other end of second connecting rod arm 48, and be rotatably supported in the power unit side pivot 49 on the carriage 44; One end is attached on the power unit side pivot 49, extends upward and pars intermedia is rotatably supported in restricted arm 51 on the stay bearing plate 43 by pivot 50; Be installed in the elastomeric element 52 on the other end of this restricted arm 51, the rotation of restricted arm 51 is limited between the following position, that is, the position of back, the bottom Elastic Contact of the 13c of the vehicle frame portion that erects of above-mentioned elastomeric element 52 and sidecar frame 13 and above-mentioned elastomeric element 52 are from the place ahead and the position that is arranged on the restriction board 43a Elastic Contact on the above-mentioned stay bearing plate 43.
And, the vehicle body frame side pivot 45 of aforementioned link mechanism 42 is configured in the place ahead compared later with the 13c of the vehicle frame portion that erects of sidecar frame 13, above-mentioned power unit side pivot 49 as shown in Figure 1, to with the multiview drawing of the rotation axis plane orthogonal of front-wheel WF on, being configured in above-mentioned handle 22 is the center, in the imaginary circular arc C of the centre of gration by front-wheel WF.
Then, effect that should first embodiment describes, because vehicle body frame FA has the sidecar frame 13 of pair of right and left ..., central vehicle frame 14, link vehicle frame 17, the sidecar frame 13 of this pair of right and left ... has the following vehicle frame 13b of portion that from the beginning manages the 12 decline vehicle frame 13a of portion that hang down downwards and rearward extend respectively from the lower end of this decline vehicle frame 13a of portion; This central authorities' vehicle frame 14 is at both sides vehicle frame 13 ... between from the beginning manage 12 and hang down downwards; This binding vehicle frame 17 is configured in down the 13b of vehicle frame portion ... the top and strengthen central vehicle frame 14 and both sides vehicle frame 13 ... this binding vehicle frame 17 is configured in the below on the floor 26 of low-floor type, so pass through with both sides vehicle frame 13 ... the following vehicle frame 13b of portion ... set positions below enough, will be to both sides vehicle frame 13 ... and at both sides vehicle frame 13 ... between from the beginning manage the binding vehicle frame 17 that the 12 central vehicle frames 14 that hang down strengthen downwards and be configured in down the 13b of vehicle frame portion ... the top and below floor 26, just can form the smooth floor 26 of having guaranteed legroom fully, seek to improve the convenience of use, and, can seek to improve the vertical rigidity of vehicle body frame FA and the balance of torsional rigid.
In addition, effect like this, not merely can realize, by constituting sidecar frame 13 by binding vehicle frame 17 with U word shape portion 32 and support sector 33 ... the following vehicle frame 13b of portion ... rear portion and the decline vehicle frame 13a of portion ... between linearity ground links in generally horizontal plane binding vehicle frame also can realize.
And, because central vehicle frame 14 has the shape of cross section of the rectangle of horizontal length, thus can one side easily guarantee to be configured in floor 26 the place ahead central vehicle frame 14 fore-and-aft direction the space is set, one side can improve the rigidity of central vehicle frame 14.
In addition, link vehicle frame 17 and have U word shape portion 32 and support sector 33, this U word shape portion 32 is formed and makes roughly U word shape of front end osed top when overlooking, rearward end is attached on the both sides vehicle frame 13 simultaneously, this support sector 33 is attached at the leading section of this U word shape portion 32 on the sidecar frame 13 near Width central authorities, can simultaneously guarantee sufficient rigidity, and one side forms the smooth floor 26 of having guaranteed legroom fully, seek to improve easy to use, and can adjust the torsional rigid of vehicle body frame FA.
In addition, even having omitted central vehicle frame 14, such effect also can realize.
In addition, corner plate 31 is set from the beginning managing between 12 persons in charge that hang down 15 and the head pipe 12, both engage the upper end of the decline vehicle frame 13a of portion that both sides vehicle frame 13 is had and head pipe 12 and corner plate 31, in view of the above, can improve the joint rigidity of both sides vehicle frame 13 and head pipe 12, because the top of central vehicle frame 14 links with the person in charge 15, so can improve the top rigidity of central vehicle frame 14.
And sidecar frame 13 has the decline vehicle frame 13a of portion, the following 13b of vehicle frame portion integratedly, erects the 13c of vehicle frame portion, the 13d of seat rail portion, is respectively to be formed by the mono-canal curvature, and from the beginning this decline vehicle frame 13a of portion manages 12 and hang down downwards; This time vehicle frame 13b of portion links to each other with the lower end of this decline vehicle frame 13a of portion and the below by floor 26, rearward extends; This erects that the 13c of vehicle frame portion links to each other with the rear end of the following vehicle frame 13b of portion and 26 rear erects upward on the floor; The 13d of this seat rail portion rearward extends from the upper end that erects the 13c of vehicle frame portion, can reduce the part kind, and can seek to reduce the assembling man-hour of vehicle body frame FA.
Have again, because sidecar frame 13 and central vehicle frame 14 littler than sidecar frame 13 diameters, that offside vehicle frame 13 is strengthened, dispose side by side with the U word shape portion 32 and the Rear secondary frame for vehicle 18 that link vehicle frame 17, when making side-looking the place ahead on floor 26, below and the rear paired, so can constitute the vehicle body frame FA of light weight and high rigidity.
In addition, at both sides vehicle frame 13 ... the decline vehicle frame 13a of portion ... and configuration radiator 37 between the central vehicle frame 14, one side has enlarged the space on smooth floor 26, and one side has enlarged the lower-upper length of radiator 37, increase the capacity of radiator 37, can improve the cooling performance of driving engine E.On this basis because floor 26 above be set at the lower position of comparing with the above-below direction center CP of radiator 37, so can be as far as possible with the set positions on floor 26 at lower position, can seek to improve boarding.
Have again, at both sides vehicle frame 13 ... on at least a portion is installed is configured in and erects the 13c of vehicle frame portion ... the Rear secondary frame for vehicle 18 of pair of right and left at rear ... owing to be arranged at both sides vehicle frame 13 ... and two Rear secondary frame for vehicle 18 ... between pivot plate 36 ... on, supporting the vehicle body frame side pivot 45 of the connecting rod mechanism 42 that is arranged between vehicle body frame FA and the power unit P, so can simultaneously avoid the maximization of sidecar frame 13, one side can improve the rigidity around the vehicle body frame side pivot 45, by avoiding the maximization of sidecar frame 13, can enlarge the rear space on floor 26.
And, because the vehicle body frame side pivot 45 of aforementioned link mechanism 42 is configured in and the place ahead compared later that erects the 13c of vehicle frame portion,, can seek the shorteningization of wheelspan so the vehicle body frame side pivot 45 of connecting rod mechanism 42 can be configured in anterior position as far as possible.
In addition, because two Rear secondary frame for vehicle 18 ... pars intermedia be bent, make it near above-mentioned both sides vehicle frame 13 ... the 13c of the vehicle frame portion that erects ... side, so can simultaneously avoid power unit P and Rear secondary frame for vehicle 18 ... interference, one side can be with power unit P ... be configured in front side, make further shortening wheelspan become possibility.
Have again, to with the multiview drawing of the rotation axis plane orthogonal of front-wheel WF on, in the imaginary circular arc C that with handle 22 is center, the centre of gration that passes through front-wheel WF, the power unit side pivot 49 of configuration connecting rod mechanism 42, in view of the above, the power unit side pivot 49 of connecting rod mechanism 42 can be configured in anterior position as far as possible, further seek the shorteningization of wheelbase.
Fig. 6-Figure 10 represents the second embodiment of the present invention, and Fig. 6 is the lateral plan of pedal type vehicle, and Fig. 7 is the lateral plan of vehicle body frame, Fig. 8 be Fig. 78 to looking birds-eye view, Fig. 9 be Fig. 79 to looking front view, Figure 10 is the lateral plan of the formation of expression connecting rod mechanism.
In addition, when explanation second embodiment, part corresponding to those in the first embodiment is paid identical reference marks, only illustrate, omit detailed explanation.
At first, in Fig. 6, on the vehicle body frame FB that pedal type vehicle had on floor 26 with low-floor type, the front portion that can support the power unit P that is made of driving engine E and change-speed box M by connecting rod mechanism 72 is provided with back damper unit 23 with swinging up and down between the rear portion of the rear portion of vehicle body frame FB and power unit P.
With reference to Fig. 7-Fig. 9, vehicle body frame FB has in the lump: above-mentioned head pipe 12; Leading section is managed the sidecar frame 53 of 12 pair of right and left that engage with this Constitute and at both sides vehicle frame 53 by tubing ... between, from above-mentioned head pipe 12 by sidecar frame 53 ... anterior near, the central vehicle frame 54 that hangs down downwards; Below floor 26 that vehicle body cover 24 is had, extend forwards, backwards and both ends and above-mentioned both sides vehicle frame 53 ... the binding vehicle frame 55 that links Be configured in two and link vehicle frame 55 ... the below, link above-mentioned both sides vehicle frame 53 ... between and linking the support strut 56 of the bottom of above-mentioned central vehicle frame 54; Link both sides vehicle frame 53 ... the front portion between and front frame crossbeam 57 that the lower end of lower gusset 62 is engaged; Link both sides vehicle frame 53 ... pars intermedia between the first pars intermedia cross member of frame 58; Rear, binding both sides vehicle frame 53 at the first pars intermedia cross member of frame 58 ... pars intermedia between the second pars intermedia cross member of frame 59; Link both sides vehicle frame 53 ... the rear end between rear portion cross member of frame 60; Be installed in both sides vehicle frame 53 ... on the Rear secondary frame for vehicle 61 of pair of right and left ...
Like this, front frame crossbeam 57 links both sides vehicle frame 53 ... the decline vehicle frame 53a of portion ... pars intermedia between, the first pars intermedia cross member of frame 58 links both sides vehicle frame 53 ... the 53c of the vehicle frame portion that erects ... top between, the second pars intermedia cross member of frame 60 links both sides vehicle frames 53 ... the pars intermedia of the 53d of seat rail portion between.
Both sides vehicle frame 53 ... the decline vehicle frame 53a of portion ... the upper end engage with head pipe 12, at these decline vehicle frames 53a of portion ... the enemy manage between the bottom and head pipe 12 of 12 bonding part, lower gusset 62 is set.In addition, at the two decline vehicle frame 53a of portion ... the enemy manage between the top and head pipe 12 of 12 bonding part, upper gusset 63 is set, the upper end of central vehicle frame 54 engages with this upper gusset 63.
The above-mentioned 53b of vehicle frame portion down is made of horizontal component 53ba and sloping portion 53bb, and this horizontal component 53ba rearward extends on approximate horizontal ground from the lower end of the decline vehicle frame 53a of portion; This sloping portion 53bb tilts to the back upper place from the rear end of this horizontal component 53ba.
Above-mentioned binding vehicle frame 55 is configured in the top compared with the following vehicle frame 53b of portion of sidecar frame 53 and below floor 26, extend forwards, backwards, the lower bond of the decline vehicle frame 53a of portion of front end and sidecar frame 53, the rear end engages with the sloping portion 53bb of the following vehicle frame 53b of portion of sidecar frame 53.
At above-mentioned both sides vehicle frame 53 ... on, at least a portion is installed to be configured in and to erect the 53c of vehicle frame portion ... the Rear secondary frame for vehicle 61 of pair of right and left at rear ... in the present embodiment, Rear secondary frame for vehicle 61 be configured in sidecar frame 53 the following vehicle frame 53b of portion the below and be at the rear that erects the 53c of vehicle frame portion, the front end of Rear secondary frame for vehicle 61 is in the place ahead of comparing with the junction surface of the rear end that links vehicle frame 55, engage with the front end back of the sloping portion 53bb of the following vehicle frame 53b of portion, the rear end of Rear secondary frame for vehicle 61 engaged with the following of front portion of sidecar frame 53 near the 53d of seat rail portion.
And, two Rear secondary frame for vehicle 61 ... the pars intermedia bending, make it near sidecar frame 53 ... the 53c of the vehicle frame portion that erects ... side is below this curve, at both sides vehicle frame 53 ... and two Rear secondary frame for vehicle 61 ... between pivot plate 64 is set respectively ...
Rear secondary frame for vehicle 61 is by constituting than the little tubing of sidecar frame 53 diameters, when side-looking, the following vehicle frame 53b of portion of sidecar frame 53 and erect the 53c of vehicle frame portion and the Rear secondary frame for vehicle 61 that constitutes by the little tubing of diameter below floor 26 and the rear paired, configuration side by side.
Express as Fig. 6, between the decline vehicle frame 53a of portion and above-mentioned central vehicle frame 54 of above-mentioned both sides vehicle frame 53, configuration radiator 37 is set at the lower position of comparing with the above-below direction center CP of radiator 37 above the above-mentioned floor 26.
Express as Fig. 9, on the strut 65,65 of pair of right and left, the strut 65,65 of this pair of right and left is arranged on the front frame crossbeam 57 hold-down arm 38,38 of pair of right and left on top that is arranged on radiator 37 by resilient mounting.In addition; be engaged with both sides vehicle frame 53 from the two ends, the left and right sides of the protective tube 40 of the bottom of front side radiator cover 37 ... the decline vehicle frame 53a of portion ... the front, lower end; on the strut 41 of the central portion of this protective tube 40, resilient mounting the lower central of radiator 37.
In the lump with reference to Figure 10, under the state in direct of travel the place ahead of two-wheeled motor vehicle, be provided with in the portion at the following vehicle frame 53b of portion of the sidecar frame 53 that is positioned at the left side and the connection that erects the 53c of vehicle frame portion, rearward fixing stay bearing plate 67 highlightedly, carriage 44 is being set in the bottom of the driving engine E of power unit P.
And, connecting rod mechanism 72 has first connecting rod arm 74, second connecting rod arm 76, power unit side pivot 77, arm 79 and the restricted arm 81 of pair of right and left, and the first connecting rod arm 74 of this pair of right and left passes through vehicle body frame side pivot 73 rotatably supports on above-mentioned pivot plate 64; This second connecting rod arm 76 is attached on the other end of two first connecting rod arms 74 rotationally by connection shaft 75 1 ends; This pivot 77 is fixed on the other end of second connecting rod arm 76 and is rotatably supported on the carriage 44; This arm 79 be arranged in two second connecting rod arms 76, in the foreign side that under the state in direct of travel the place ahead of two-wheeled motor vehicle, is positioned at the second connecting rod arm 76 in left side, and an end links by the end of connecting piece 78 with pars intermedia binding, the other end and the above-mentioned power unit side pivot 77 of second connecting rod arm 76; This restricted arm 81 is between the second connecting rod arm 76 and above-mentioned arm 79 in left side, one end and above-mentioned power unit side pivot 77 link, extend upward, and the other end is attached on the stay bearing plate 67 by pivot 80, the pars intermedia of restricted arm 81 links with above-mentioned stay bearing plate 67 by rubber bush 82 and connection shaft 83.
And, on restricted arm 81, be wholely set outstanding upward restriction teat 84, the recess 85 of accommodating this restriction teat 84 is arranged on the stay bearing plate 67, is that the rotation of the restricted arm 81 at center is limited in the scope that above-mentioned restriction teat 84 can move in above-mentioned recess 85 with the axis of pivot 80.
And, the vehicle body frame side pivot 73 of aforementioned link mechanism 72 is configured in the place ahead compared later with the 53c of the vehicle frame portion that erects of sidecar frame 53, above-mentioned power unit side pivot 77 as shown in Figure 6, to with the multiview drawing of the rotation axis plane orthogonal of front-wheel WF on, being configured in above-mentioned handle 22 is the center, in the imaginary circular arc C of the centre of gration by front-wheel WF.
Then, effect that should second embodiment describes, because vehicle body frame FB has: the sidecar frame 53 that has the pair of right and left of the following vehicle frame 53b of portion that from the beginning manages the 12 decline vehicle frame 53a of portion that hang down downwards and rearward extend from the lower end of this decline vehicle frame 53a of portion respectively At both sides vehicle frame 53 ... between, from the beginning manage the 12 central vehicle frames 54 that hang down downwards; With both sides vehicle frame 53 ... the above-mentioned down 53b of vehicle frame portion ... the top of comparing, leading section and the above-mentioned decline vehicle frame 53a of portion ... link and rearward end and the above-mentioned 53b of vehicle frame portion down ... the binding vehicle frame 55 of the pair of right and left that links Link both sides vehicle frame 53 ... the above-mentioned down 53b of vehicle frame portion ... between support strut 56; At both sides vehicle frame 53 ... between, from the beginning manage 12 by sidecar frame 53 ... neighbouringly hang down downwards, and the bottom is attached at the central vehicle frame 54 that supports on the strut 56, above-mentioned binding vehicle frame 55 ... be configured in the below on the floor 26 of low-floor type, so pass through with both sides vehicle frame 53 ... the following vehicle frame 53b of portion ... set positions below enough, will be to both sides vehicle frame 53 ... with at both sides vehicle frame 53 ... between from the beginning manage the support strut 56 that the 12 central vehicle frames 54 that hang down strengthen downwards and link vehicle frame 55 ... be configured in down the 53b of vehicle frame portion ... the top and below floor 26, can form the smooth floor 26 of having guaranteed legroom fully, seek to improve the convenience of use, and, can seek to improve the vertical rigidity of vehicle body frame FB and the balance of torsional rigid.
In addition, sidecar frame 53 has the decline vehicle frame 53a of portion, the following 53b of vehicle frame portion integratedly, erects the 53c of vehicle frame portion, the 53d of seat rail portion, is respectively to be formed by the mono-canal curvature, and from the beginning this decline vehicle frame 53a of portion manages 12 and hang down downwards; This time vehicle frame 53b of portion links to each other with the lower end of this decline vehicle frame 53a of portion and the below by floor 26, rearward extends; This erects that the 53c of vehicle frame portion links to each other with the rear end of the following vehicle frame 53b of portion and 26 rear erects upward on the floor; The 53d of this seat rail portion rearward extends from the upper end that erects the 53c of vehicle frame portion, can reduce the part kind, and can seek to reduce the assembling man-hour of vehicle body frame FB.
Have again, because sidecar frame 53 and the central vehicle frame 54 littler than sidecar frame 53 diameters, and the Rear secondary frame for vehicle 61 littler than sidecar frame 53 diameters dispose side by side, when making side-looking the place ahead on floor 26, below and the rear paired, so can constitute the vehicle body frame FB of light weight and high rigidity.
In addition, at both sides vehicle frame 53 ... the decline vehicle frame 53a of portion ... and configuration radiator 37 between the central vehicle frame 54, one side has enlarged the space on smooth floor 26, and one side has increased the lower-upper length of radiator 37, increase the capacity of radiator 37, can improve the cooling performance of driving engine E.On this basis because floor 26 above be set at the lower position of comparing with the above-below direction center CP of radiator 37, so the position on floor 26 can be set in lower position as far as possible, can seek to improve boarding.
Have again, because at both sides vehicle frame 53 ... on, at least a portion is installed to be configured in and to erect the 53c of vehicle frame portion ... the Rear secondary frame for vehicle 61 of pair of right and left at rear ... at both sides vehicle frame 53 ... and be arranged at two Rear secondary frame for vehicle 61 ... between pivot plate 64 ... on, supporting the vehicle body frame side pivot 73 of the connecting rod mechanism 72 that is arranged between vehicle body frame FB and the power unit P, so can simultaneously avoid the maximization of sidecar frame 53, one side improves the rigidity around the vehicle body frame side pivot 73, by avoiding the maximization of sidecar frame 53, can enlarge the rear space on floor 26.
And, because the vehicle body frame side pivot 73 of aforementioned link mechanism 72 is configured in and the place ahead compared later that erects the 53c of vehicle frame portion,, can seek the shorteningization of wheelspan so the vehicle body frame side pivot 73 of connecting rod mechanism 72 can be configured in anterior position as far as possible.
In addition, because two Rear secondary frame for vehicle 61 ... pars intermedia be bent, make it near above-mentioned both sides vehicle frame 53 ... the 53c of the vehicle frame portion that erects ... side, so can simultaneously avoid power unit P and Rear secondary frame for vehicle 61 ... interference, one side is with power unit P ... be configured in front side, make further shortening wheelspan become possibility.
Have again, to with the multiview drawing of the rotation axis plane orthogonal of front-wheel WF on, be the center with handle 22, in the imaginary circular arc C of the centre of gration by front-wheel WF, the power unit side pivot 77 of configuration connecting rod mechanism 72, in view of the above, the power unit side pivot 77 of connecting rod mechanism 72 can be configured in anterior position as far as possible, further seek the shorteningization of wheelspan.
Above, embodiments of the invention have been described, but the present invention is not limited only to the foregoing description, so long as do not break away from the above-mentioned the present invention of the scope of claim, just can carry out various design modifications.
Claims (2)
1. the vehicle frame of a pedal type vehicle, can support the sidecar frame (13,53) that is engaging pair of right and left on the head pipe (12) of front fork (11) with turning to, this front fork (11) pivot suspension front-wheel (WF), it is characterized in that, between the Rear secondary frame for vehicle (18,61) of described both sides vehicle frame (13,53) and pair of right and left, pivot plate (36,64) is set respectively; Described both sides vehicle frame (13,53) has following vehicle frame portion (13b, 53b) by the below of floor (26), links to each other with the rear end of this time vehicle frame portion (13b, 53b) and vehicle frame portion that erects (13c, 53c) that erects upward at the rear of described floor (26) and the seat rail portion (13d, 53d) of rearward extending from the described upper end that erects vehicle frame portion (13c, 53c); The Rear secondary frame for vehicle of described pair of right and left (18,61) is configured in the described rear that erects vehicle frame portion (13c, 53c) with at least a portion, and the front end of Rear secondary frame for vehicle (18,61) engages with the described front end back of the sloping portion of vehicle frame portion (13b, 53b) down, and the rear end of Rear secondary frame for vehicle (18,61) engaged with the following of forward portion of described seat rail portion (13d, 53d); Vehicle body frame (FA, FB) comprises described head pipe (12), described both sides vehicle frame (13,53) and described Rear secondary frame for vehicle (18,61), and the vehicle body frame side pivot (45) of the connecting rod mechanism (42,72) that is provided with between this vehicle body frame (FA, FB) and power unit (P) is supported by described pivot plate (36,64);
Described two Rear secondary frame for vehicle (18,61) are by forming than described sidecar frame (13, the 53) tubing that diameter is little;
The pars intermedia of described two Rear secondary frame for vehicle (18,61) is bent, and makes its vehicle frame portion that erects (13c, 53c) side near described both sides vehicle frames (13,53).
2. the vehicle frame of a pedal type vehicle, can support the sidecar frame (13,53) that is engaging pair of right and left on the head pipe (12) of front fork (11) with turning to, this front fork (11) pivot suspension front-wheel (WF), it is characterized in that, described both sides vehicle frame (13,53) has decline vehicle frame portion (13a, 53a), following vehicle frame portion (13b, 53b) integratedly, erects vehicle frame portion (13c, 53c), seat rail portion (13d, 53d), be to be formed by the mono-canal curvature, this decline vehicle frame portion (13a, 53a) hangs down downwards from described head pipe (12); This time vehicle frame portion (13b, 53b) links to each other with the lower end of this decline vehicle frame portion (13a, 53a) and the below by floor (26), rearward extends; This erects vehicle frame portion (13c, 53c) and links to each other with the rear end of following vehicle frame portion (13b, 53b) and erect upward at the rear of described floor (26); This seat rail portion (13d, 53d) uses seat (30) by bus in order to support, and rearward extends from the described upper end that erects vehicle frame portion (13c, 53c);
Central authorities' vehicle frames (14,57) between the described both sides vehicle frame (13,53) from described pipe by near described sidecar frame anterior and hang down downwards, this central authorities' vehicle frame disposes side by side in the place ahead of described floor (26) and described decline vehicle frame portion (13a, 53a) front and back when side-looking;
U word shape portion (32,55) form when overlooking with the front end osed top roughly U word shape and rearward end link to each other with the described sloping portion of vehicle frame portion down, described U word shape portion when side-looking the below of described floor (26) with described under vehicle frame portion (13b, 53b) dispose side by side up and down;
The front end of Rear secondary frame for vehicle (18,61) engages with the described front end back of the sloping portion of vehicle frame portion (13b, 53b) down, the rear end of Rear secondary frame for vehicle engaged with the following of forward portion of described seat rail portion (13d, 53d), and this Rear secondary frame for vehicle is by forming than described sidecar frame (13, the 53) tubing that diameter is little; Described down vehicle frame portion, describedly erect below and the rear configuration side by side in couples when side-looking of vehicle frame portion and described Rear secondary frame for vehicle in described floor (26).
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005-088501 | 2005-03-25 | ||
| JP2005088501 | 2005-03-25 | ||
| JP2005088501 | 2005-03-25 | ||
| JP2005-351930 | 2005-12-06 | ||
| JP2005351930A JP4459161B2 (en) | 2005-03-25 | 2005-12-06 | Scooter type vehicle frame structure |
| JP2005351930 | 2005-12-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1836965A CN1836965A (en) | 2006-09-27 |
| CN1836965B true CN1836965B (en) | 2010-10-13 |
Family
ID=37055732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100680405A Expired - Fee Related CN1836965B (en) | 2005-03-25 | 2006-03-24 | Chassis structure for pedal type scooter |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP4459161B2 (en) |
| CN (1) | CN1836965B (en) |
| BR (1) | BRPI0600848B1 (en) |
| FR (1) | FR2884218B1 (en) |
| IT (1) | ITTO20060225A1 (en) |
| TW (1) | TWI289523B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2907417B1 (en) * | 2006-10-19 | 2008-12-12 | Peugeot Motocycles Sa | SYSTEM FOR FASTENING A POWER PUMPS GROUP ON A CHASSIS OF A TWO-WHEELED VEHICLE |
| JP2010215215A (en) * | 2009-02-19 | 2010-09-30 | Yamaha Motor Co Ltd | Motorcycle |
| JP5555581B2 (en) * | 2010-09-21 | 2014-07-23 | 本田技研工業株式会社 | Small vehicle |
| CA3194365A1 (en) * | 2013-03-13 | 2014-10-02 | Polaris Industries Inc. | All-terrain vehicle |
| JP6472530B2 (en) * | 2015-09-08 | 2019-02-20 | 本田技研工業株式会社 | Body frame for motorcycle |
| TWI623460B (en) * | 2016-03-14 | 2018-05-11 | Kwang Yang Motor Co | Locomotive frame |
| JP2018058456A (en) * | 2016-10-04 | 2018-04-12 | ヤマハ発動機株式会社 | scooter |
| WO2019181128A1 (en) * | 2018-03-23 | 2019-09-26 | 本田技研工業株式会社 | Pipe frame strengthening structure |
| JP7406624B2 (en) | 2020-03-30 | 2023-12-27 | 本田技研工業株式会社 | saddle type vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1122762A (en) * | 1994-07-25 | 1996-05-22 | 本田技研工业株式会社 | Body structure of small motorcycle |
| CN1413870A (en) * | 2001-10-19 | 2003-04-30 | 雅马哈发动机株式会社 | Body structure of saddle-type motorcycle |
-
2005
- 2005-12-06 JP JP2005351930A patent/JP4459161B2/en not_active Expired - Fee Related
-
2006
- 2006-03-16 TW TW95108994A patent/TWI289523B/en not_active IP Right Cessation
- 2006-03-24 FR FR0602567A patent/FR2884218B1/en not_active Expired - Fee Related
- 2006-03-24 CN CN2006100680405A patent/CN1836965B/en not_active Expired - Fee Related
- 2006-03-24 BR BRPI0600848A patent/BRPI0600848B1/en active IP Right Grant
- 2006-03-24 IT ITTO20060225 patent/ITTO20060225A1/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1122762A (en) * | 1994-07-25 | 1996-05-22 | 本田技研工业株式会社 | Body structure of small motorcycle |
| CN1413870A (en) * | 2001-10-19 | 2003-04-30 | 雅马哈发动机株式会社 | Body structure of saddle-type motorcycle |
Non-Patent Citations (4)
| Title |
|---|
| JP昭64-63486A 1989.03.09 |
| JP特开平5-178267A 1993.07.20 |
| JP特开平9-254858A 1997.09.30 |
| 同上. |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI289523B (en) | 2007-11-11 |
| FR2884218B1 (en) | 2009-09-04 |
| TW200706438A (en) | 2007-02-16 |
| JP2006298357A (en) | 2006-11-02 |
| CN1836965A (en) | 2006-09-27 |
| ITTO20060225A1 (en) | 2006-09-26 |
| BRPI0600848A (en) | 2006-12-05 |
| FR2884218A1 (en) | 2006-10-13 |
| JP4459161B2 (en) | 2010-04-28 |
| BRPI0600848B1 (en) | 2016-11-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1836965B (en) | Chassis structure for pedal type scooter | |
| US11358672B2 (en) | Rolling motor vehicle | |
| JP3843209B2 (en) | Saddle-ride type vehicle | |
| US4712638A (en) | Suspension system for motorcycles | |
| JP3768788B2 (en) | Vehicle swing arm suspension system | |
| US20080156571A1 (en) | Compact swing arm structure for a shaft-driven vehicle, and vehicle incorporating same | |
| JP2008534370A (en) | Motorcycle | |
| US7543833B2 (en) | Independent front wheel suspension, vehicle equipped with such a front wheel suspension, and method of producing a sprung suspension | |
| WO2006025780A1 (en) | Wheel suspension | |
| CN103895785A (en) | Steering apparatus for vehicle | |
| CN104627308A (en) | Swing arm | |
| JP2014061870A (en) | Vehicle | |
| JP4719344B2 (en) | Vehicle rear wheel suspension system | |
| US7309081B1 (en) | Four wheel off-road vehicle | |
| CN100415589C (en) | Pedal type scooter | |
| JP5279922B2 (en) | Suspension system for saddle-ride type vehicles | |
| CN103863496B (en) | Front wheel supporting structure for vehicle | |
| CN100436243C (en) | Body structure of automatic two-wheel vehicle | |
| CN101138999B (en) | Cross running beach vehicle bicycle frame | |
| EP3634841A1 (en) | Vehicle with upper and lower frame portions | |
| JPH0115436B2 (en) | ||
| CN201325558Y (en) | Rear wheel suspension structure of three-wheeled motorcycle | |
| JPH0662105B2 (en) | Front body structure of saddle type vehicle | |
| JP4075537B2 (en) | Air suspension for low floor trucks | |
| CN103863497B (en) | The front-wheel supporting construction of Straddle type vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101013 Termination date: 20200324 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |