CN1172050A - Frame structure of small low saddle motorcycle - Google Patents

Frame structure of small low saddle motorcycle Download PDF

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Publication number
CN1172050A
CN1172050A CN97112785.9A CN97112785A CN1172050A CN 1172050 A CN1172050 A CN 1172050A CN 97112785 A CN97112785 A CN 97112785A CN 1172050 A CN1172050 A CN 1172050A
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CN
China
Prior art keywords
vehicle frame
aforementioned
unit head
charge
tube
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.)
Granted
Application number
CN97112785.9A
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Chinese (zh)
Other versions
CN1077529C (en
Inventor
中込良夫
渡边成司
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Publication of CN1172050A publication Critical patent/CN1172050A/en
Application granted granted Critical
Publication of CN1077529C publication Critical patent/CN1077529C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J50/00—Arrangements specially adapted for use on cycles not provided for in main groups B62J1/00 - B62J45/00
    • B62J50/30—Means for ventilation within devices provided on the cycle, e.g. ventilation means in a battery container

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

The invention relates to a frame structure in a small low-seat which leads a left and a right back frames to be supported at the back end part of a main tube. The support part can ensure the mutual interval (namely the support span of the back frame) between the left and right frames of the left and the right frames to be longer, improve the support rigidness of the left and right fames to a saddle and drive a power head used for a back wheel to be able to close up to the front side integrally simultaneously when avoids the interference of the frame so as to be able to buck for the miniaturization of the front and back directions of a car body. One ends of the back end of the main tube and a cross tube prepared by a steel tube and extending along the left and right directions of the car body are communicated and combined as a body. The left and right ends of the cross tube are respectively connected with the front ends of the pair of left and right back frames.

Description

The chassis structure of small low saddle motorcycle
The present invention relates to the chassis structure of small low saddle motorcycle.This vehicle frame is purchased: put at chaufeur below the stretcher of pin, extend along the car body fore-and-aft direction, and of erecting facing to preceding size pipe is responsible for and below vehicle seat, about side by side and anteriorly tilt to front lower place separately, with vehicle frame after the aforementioned person in charge's the rear end bonded assembly pair of right and left, this back vehicle frame makes vehicle seat supported.
Existing above-mentioned motor bike, below stretcher, the person in charge's who extends along fore-and-aft direction rear end is installed with a carriage, connect on this carriage and supporting pair of right and left after the front end separately of vehicle frame.(example :) with reference to real fair 1-8478 communique
Also have, in small low saddle motorcycle, with the hollow space of back vehicle frame, the passage as the air of cooling usefulness in the transmission device in the unit head can be utilized.This situation has had motion.(example :) with reference to real fair 1-8478 communique
But, in the existing structure that discloses in the aforementioned communique, the carriage of back vehicle frame front end is smaller on the direction of overall width about connection, about the anterior space (promptly supporting the span of back vehicle frame) of back vehicle frame shorter, therefore support that for the vehicle seat of back vehicle frame etc. rigidity is low.
And, since about the back vehicle frame approaching each other, in this space, be difficult to the front end that drives the unit head of trailing wheel is advanced by leaps and bounds, so, seeking unit head, to make the fore-and-aft direction miniaturization of car body near the front portion front side of car body (promptly close) of back vehicle frame be impossible, in addition, particularly, must make air flue comparatively long in that the prominent intake guide of establishing of unit head transmission gearbox outside face is closed with the field boundary that the back vehicle frame is connected.
The present invention is in view of situation so, and purpose is the problem that can solve in the above-mentioned existing structure, and the chassis structure of small low saddle motorcycle is provided.
To achieve the above object, in the present invention program's 1 described small low saddle motorcycle body frame structure for automotive, be furnished with below chaufeur is put the stretcher of pin, extend along the car body fore-and-aft direction, and of erecting facing to preceding size pipe is responsible for and in below-seat, about side by side, and it is anterior oblique just to front lower place separately, be connected vehicle frame after the pair of right and left of aforementioned person in charge rear end, on this back vehicle frame, vehicle seat is supported, be characterized in, make the wherein side in the steel transverse tube that the aforementioned person in charge's rear end and car body left and right directions extend run through the opposing party, mutually combining is integral, and the front end of two ends, left and right sides vehicle frame after aforementioned pair of right and left of aforementioned transverse tube is connected to.The present invention program 2 feature is to have following feature on the feature of scheme 1: in the open rearward end the aforementioned person in charge, embed the front end supporting suspension rod by yielding rubber, this suspension rod can joltily support to drive the front portion of the unit head of trailing wheel.Have again, the present invention program 3 feature is on the feature of scheme 1 or scheme 2, have following feature: vehicle frame is made of hollow tube respectively after the aforementioned pair of right and left, the front end that drives the unit head that trailing wheel uses is simultaneously advanced by leaps and bounds after above-mentioned two between the vehicle frame, for the air that makes cooling usefulness can import in the transmission gearbox of this unit head, and be connected with aforementioned bottom of vehicle frame afterwards of the side at least, and the air suctiton inlet that can import extraneous air is set on vehicle frame top, above-mentioned back from the outstanding intake guide of the forward outer surface of same transmission gearbox.
Fig. 1 is the simple whole lateral plan that is suitable for an embodiment of small low saddle motorcycle of the present invention.Fig. 2 is that simple planar view (view of arrow 2 directions among Fig. 1) Fig. 3 of previous embodiment is the enlarged drawing of 3-3 direction of arrow section among Fig. 2.Fig. 4 is the enlarged drawing of 4-4 direction of arrow section among Fig. 3.Fig. 5 is the enlarged drawing of 5-5 direction of arrow section among Fig. 3.Fig. 6 is the enlarged drawing of 6-6 direction of arrow section among Fig. 4.
The embodiments of the invention of enumerating in reference to the accompanying drawings specifically are illustrated performance of the present invention below.
In the accompanying drawing, Fig. 1 is the simple whole lateral plan that is suitable for the embodiment of small low saddle motorcycle of the present invention, Fig. 2 is the simple planar view (view of arrow 2 directions among Fig. 1) of previous embodiment, Fig. 3 is the enlarged drawing of 3-3 direction of arrow section among Fig. 2, Fig. 4 is the enlarged drawing of 4-4 direction of arrow section among Fig. 3, and Fig. 5 is the enlarged drawing of 5-5 direction of arrow section among Fig. 3.
At first, among Fig. 1, Fig. 2, the shell P of small low saddle motorcycle V has: chaufeur is put the stretcher Ps of pin, from the front end of this stretcher Ps erect and with guar plate be the front cover Pf of one, be connected with the rear portion of stretcher Ps and cover and drive unit head 2 that trailing wheel uses and the back cover cap Pr of trailing wheel Wr from the top, upper end open portion at this back cover cap is provided with vehicle seat S, and the bottom front of this vehicle seat S can combine with back cover cap Pr with opening and closing.
The metal vehicle body frame F that supports aforementioned shell P be combined into one with lower member: in front cover Pf, can controlling party prop up front-wheel W to the earth's axis fHead pipe H, below stretcher Ps, extend and of erecting facing to preceding size pipe H is responsible for 3 along the car body fore-and-aft direction, be positioned at the back cover cap P of vehicle seat S below, about arranged side by side at certain intervals, and forebody to separately front lower place tilt, be responsible for 3 rear end bonded assembly pair of right and left after vehicle frame 4 1, 4 2
Vehicle frame 4 after the pair of right and left 1, 4 2Be made of hollow tube respectively, its top is latter half of 4 R14 R2, combine by upper crosstalk tube 5 each other simultaneously along slightly linearly shape extension on the car body fore-and-aft direction in the positive bottom of vehicle seat S, its rear end is mutually to inboard complications.Can be clear that from Fig. 5: the upper surface of the middle position of the left and right directions of upper crosstalk tube 5 has up extraneous air is imported (vehicle frame 4 promptly in the upper crosstalk tube 5 1In) air suctiton inlet 5a, striding this air suctiton inlet 5a simultaneously and fixing groove shape mounted panel 6, on this mounted panel 6, the vehicle seat languid strut 7 of midway location that can support the base plate fore-and-aft direction of vehicle seat S from the ground connection butt with bolt.
On upper crosstalk tube 5, near mounted panel 6, setting firmly carriage 8 towards the back lower place, on this carriage 8, use support pattern is being linked the posterior bumper 9 that elasticity is being supported unit head 2, in addition, at back vehicle frame 4 1, 4 2, latter half of 4 R1, 4 R2The below establishing rear mudguard R that covers trailing wheel Wr top is arranged f, this mudwing R fMore than, vehicle seat S following be designed to the structure that muddy water that trailing wheel Wr splashes can not be invaded with back cover cap Pr round vehicle body space portion on every side.
Shown in Figure 4 as Fig. 3, the lower crosstalk tube 10 of the steel pipe system that the person in charge 3 rear end 3a and car body left and right directions extend is combined into one, and making wherein, a side (graphic is to be responsible for rear end 3a) connects the opposing party's (graphic is transverse tube 10).Vehicle frame 4 after using the butt welding mode to pair of right and left respectively on the two ends, the left and right sides of this lower crosstalk tube 10 1, 4 2The front end weld together.Thereby this lower crosstalk tube 10 has constituted transverse tube of the present invention.This person in charge's 3 rear end 3a cross-sectional plane be upper and lower to flat partially ellipse garden shape, this flat partially tube is in its fore-and-aft direction perforation lower crosstalk tube 10, and with these transverse tube 10 weld togethers.Vehicle frame 4 after the pair of right and left 1, 4 2The front portion and lower crosstalk tube 10 about between the front of end, in order to improve anchoring strength therebetween, with pair of right and left carriage B 1, B 2, across therebetween and weld together.This each carriage B 1, B 2Respectively with the whisker boom S that supports stretcher Ps T1, S T2The rear end connect.
Vehicle frame 4 after the close pair of right and left of lower crosstalk tube 10 1, 4 2The front portion between, the front end 2a of unit head (part of driving engine E front cover among the figure) advances by leaps and bounds, can avoid like this back vehicle frame 4 1, 4 2Interference, simultaneously can make unit head integral body forward, promptly near being responsible for 3.Thereby can seek the miniaturization of motor bike fore-and-aft direction.
Unit head 2 is by driving engine E and its speed of change and pass to trailing wheel W fChange-speed box constitute one unit and form, realization can be shaken the function of the rocking arm of earth's axis supporting wheels Wr.The front portion of this unit head 2 can connect by suspension rod 15 with fluctuating and is held in lower crosstalk tube 10.Promptly the prominent support wrist 2b that establishes in the bottom of close unit head 2 front ends passes through rubber bush 16 and the fulcrum 17 that connects rubber bush 16 with the after-frame 15b that surrounds closely square suspension rod 15, and rotation freely links together.In addition, the preceding frame 15a of this suspension rod 15 with respectively across rear surface, lower crosstalk tube 10 left and right sides and about back vehicle frame a pair of carriage 10 4,4 front portions and weld together b, 10b freely connects by fulcrum 19 rotations of picture gum cover tube 18 and perforation rubber bush 18.
In addition, establishing affixed the groove shape locking plate 15s of block yielding rubber 20 from the front central part of the preceding frame 15a of suspension rod 15 is prominent on the top.And be combined into one.This locking plate 15s as Fig. 6 shows, embeds in the opening that is supported in the 3a that is responsible for 3 rear ends by yielding rubber 20.With this, shaking by yielding rubber 20 and flexibly suppressed the up and down when fulcrum 19 of suspension rod 15 is rotated.Like this, be responsible in the opening of 3 rear end 3a and accommodating brake plate 15 and buffering rubber 20, so, this pipe rear end 3a can be used in respect to the shaking in the brake tool of suspension rod 15, can seek simplification and miniaturization that the suspension rod support is constructed.In addition, as shown in the figure, the rear end 3a that is responsible for is the flat tubular (being that left and right directions is long) that upper and lower makes progress, and therefore not only can seek to increase the holding strength to lower crosstalk tube 10, can also absorb suspension rod 15 with comparalive ease and be responsible for rear end 3a in the left and right sides locational departing from.And then the vibrationproof that can improve yielding rubber 20.
In addition, the side in about unit head is combined as a whole with the transmission gearbox that makes engine power pass to the flexible gearing M of trailing wheel Wr.At the prominent 11a that enters the mouth that adopts that is establishing tubular cooling air of these transmission gearbox 11 front end outside faces.This adopts inlet 11a and with respect to the back vehicle frame 4 in the opposite side of adopting inlet (left side of legend) 1The air discharge port of offering on the perisporium of bottom 4 A1Between, be situated between and adorning the pliability aspirate tube 12 that connects therebetween.In addition, in transmission gearbox 11, also be provided with the suction apparatus (as shown, setting firmly suction fan on the drive pulley of transmission device M) that is used for by aspirate tube 12 mandatory suction cooling airs.
Below, the effect of previous embodiment is described.Car body V in walking, when causing that owing to ground-surface reason such as concavo-convex trailing wheel Wr beats, this relatively beating, unit head 2 constantly cushion by posterior bumper 9, the fulcrum 17 in suspension rod 15 rear ends fluctuates on every side.At this moment, because the impulsive force that is applied on the suspension rod 15 also can make suspension rod 15 how much shake (two dotted lines of consulting Fig. 3) around the fulcrum 19 of lower crosstalk tube 10 1 sides, this dynamic following, the brake plate 15s of suspension rod 15 front ends is by yielding rubber 20 flexibly combination in the opening of being responsible for rearward end 3a, therefore, can cushion ground suppresses to shake.
In addition, follow the running of the driving engine E of unit head 2, suction apparatus 13 actions that transmission gearbox is 11 li, by the getter action of this suction apparatus, the vehicle body space under vehicle seat S is passed through air suctiton inlet 5a, upper crosstalk tube 5 inside, equidirectional back vehicle frame 4 1Inside, air air extractor duct 4 A1And aspirate tube 12, extraneous air is imported in the transmission gearbox 11, make transmission device M cooling, the exhausr port that the appropriate location is provided with on unit head 2 (not diagram) is discharged to the outside then.
In addition, the back vehicle frame 4 about 1, 4 2The front portion be responsible on 3 the rear end 3a by being supported in this lower crosstalk tube 10 of managing the steel pipe system of 3 quadratures.Because can guarantee this support sector about the back vehicle frame 4 1, 4 2The space support span of vehicle frame (i.e. back) comparatively long, so can be when seeking chassis structure lightweight and cost-cutting, the support rigidity of the vehicle seat S of back vehicle frame, back outside jacket plates Pr, posterior bumper 9 etc. about can also improving effectively.And, since about the back vehicle frame 4 1, 4 2Anterior space enlarge, the front end 2a every the unit head 2 of interior driving trailing wheel can not advance by leaps and bounds limpingly betwixt, and this unit head 2 can be avoided and back vehicle frame 4 1, 4 2Interference, integrally near the front side.
In addition, as shown in the figure, back vehicle frame 4 about advancing by leaps and bounds by the front end 2a that makes unit head 2 1, 4 2The front end space in, can make the outstanding aspirate tube 12 of transmission gearbox 11 outside faces of this unit head 2 near back vehicle frames 4 1, 4 2The bottom, therefore, pipe range can shorten corresponding length, from the back vehicle frame 4 1, 4 2Top through after the inside of vehicle frame arrive the fresh outside air of conduit 12, can import in the transmission gearbox expeditiously.
Embodiments of the invention more than have been described, but have the invention is not restricted to these embodiment, within the scope of the invention various embodiment can have been arranged.For example: previous embodiment is small-sized two-wheeled motorcycle, but present invention may also be implemented in small-sized motor-tricycle.Also have, in the previous embodiment, back vehicle frame 4 1, 4 2On the air suctiton inlet 5a that should be provided with, the expression opening is driven back vehicle frame 4 about connecting 1, 4 2 Upper crosstalk tube 5 upper surface and below vehicle seat languid strut.But the position of air suctiton inlet of the present invention is not limited to aforesaid embodiment, for example at back vehicle frame 4 1, 4 2Air suctiton inlet can directly be opened in any one position on top.But, in order to avoid the muddy water that takes up when trailing wheel is beated and the intrusion of rainwater, and only allow fresh extraneous air from air suctiton inlet adopt into, wish in the vehicle body space under the vehicle seat S that the back cover cap surrounds, upwards to offer air suctiton inlet.
Also have, in the previous embodiment, the relative transverse tube 10 of the person in charge's rear end 3a connects before and after it, but also can make transverse tube 10 be responsible for rear end 3a relatively in contrast, connects about it.
Invention by each above scheme: with the person in charge of light weight relatively, the cheap and steel pipe system that bending strength is high, with about the front end of back vehicle frame be supported in the person in charge's rear end, so this support position about afterwards the interval (the support span of back vehicle frame) of vehicle frame can set long enough.Like this, can seek the lightweight and the cost-cutting of body frame structure for automotive.Simultaneously, can also improve effectively about the back vehicle frame to the support rigidity at seat.And, the space of vehicle frame front portion, back about utilization enlarges, the front end face that can make the unit head that drives trailing wheel is to this front portion, and the interference of vehicle frame after avoiding can be done one's utmost therefore, can seek the miniaturization of car body fore-and-aft direction near front end simultaneously.
In addition, particularly, be responsible in the opening of rear end, accommodated the front end and the yielding rubber of the suspension rod that unit head uses according to the invention of scheme 2, this person in charge self can be used as the brake tool for this suspension rod, oversimplify and miniaturization so can seek the underwork of suspension rod.
The invention of also with good grounds scheme 3, about the unit head front end that drives trailing wheel is charged in the space of vehicle frame front portion, back, therefore can make the front side of the more close car body of unit head.And the conduit of prominent air-breathing usefulness of establishing can be near the bottom of back vehicle frame, so the length of this conduit can shorten on the outside face of unit head transmission gearbox, like this, from the top of back vehicle frame, through after enter fresh outside air in the conduit in the vehicle frame, can import in the transmission gearbox expeditiously.

Claims (3)

1. the present invention relates to the body frame structure for automotive of small low saddle motorcycle, it comprises: put at chaufeur pin pedal below along the car body fore-and-aft direction extend, and the person in charge (3) that erects facing to preceding size pipe (H); About below-seat side by side and anterior to separately tiltedly below tilt, with the aforementioned person in charge's (3) rear end (3a) bonded assembly pair of right and left after vehicle frame (4 1, 4 2); This back vehicle frame (4 1, 4 2) on can support vehicle seat (S), it is characterized in that: the aforementioned person in charge's (3) rear end (3a) is combined into one vehicle frame (4 after the two ends, the left and right sides of aforementioned transverse tube (10) are connecting pair of right and left respectively with the transverse tube of the steel pipe system of extending along the car body left and right directions with the form that a side connects the opposing party 1, 4 2) front end.
2. the chassis structure of the small low saddle motorcycle of putting down in writing as claim 1, it is characterized by: embed the front end (15s) of supporting suspension rod (15) by yielding rubber (20) in the opening of the rear end of the aforementioned person in charge (3) (3a), this suspension rod (15) can joltily support to drive the front portion of the unit head (2) of trailing wheel.
3. as the chassis structure of claim 1 or 2 small low saddle motorcycles of being put down in writing, it is characterized by: vehicle frame (4 after the aforementioned pair of right and left 1, 4 2) make by hollow tube respectively, simultaneously, the front end (2a) that drives the unit head (2) of the trailing wheel vehicle frame (4 after above-mentioned two of advancing by leaps and bounds 1, 4 2) between, import for the air that will cool off usefulness in the transmission gearbox (15) of this unit head (2), will from the outstanding intake guide (12) of the forward outer surface of transmission gearbox (15) at least with a side aforementioned back vehicle frame (4 1, 4 2) the bottom connect, and at back vehicle frame (4 1, 4 2) top the air suctiton inlet (5a) can import extraneous air is set.
CN97112785A 1996-06-18 1997-06-17 Frame structure of small low saddle motorcycle Expired - Fee Related CN1077529C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP157144/1996 1996-06-18
JP157144/96 1996-06-18
JP15714496A JP3481050B2 (en) 1996-06-18 1996-06-18 Frame structure of scooter type vehicle

Publications (2)

Publication Number Publication Date
CN1172050A true CN1172050A (en) 1998-02-04
CN1077529C CN1077529C (en) 2002-01-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN97112785A Expired - Fee Related CN1077529C (en) 1996-06-18 1997-06-17 Frame structure of small low saddle motorcycle

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JP (1) JP3481050B2 (en)
CN (1) CN1077529C (en)
IT (1) ITTO970489A1 (en)
TW (1) TW326785U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100415589C (en) * 2005-03-25 2008-09-03 本田技研工业株式会社 Pedal type scooter
CN102056791A (en) * 2008-08-01 2011-05-11 雅马哈发动机株式会社 Scooter type vehicle

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4322309B1 (en) * 2008-11-28 2009-08-26 ヤマハ発動機株式会社 Motorcycle
JP2022038807A (en) * 2020-08-27 2022-03-10 ヤマハ発動機株式会社 Scooter type vehicle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59102430U (en) * 1982-12-23 1984-07-10 スズキ株式会社 Air duct in motorcycles
JPH0714146Y2 (en) * 1987-10-16 1995-04-05 スズキ株式会社 Scooter frame structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100415589C (en) * 2005-03-25 2008-09-03 本田技研工业株式会社 Pedal type scooter
CN102056791A (en) * 2008-08-01 2011-05-11 雅马哈发动机株式会社 Scooter type vehicle
CN102056791B (en) * 2008-08-01 2015-06-24 雅马哈发动机株式会社 Scooter type vehicle

Also Published As

Publication number Publication date
ITTO970489A1 (en) 1998-12-07
JPH107062A (en) 1998-01-13
CN1077529C (en) 2002-01-09
JP3481050B2 (en) 2003-12-22
TW326785U (en) 1998-02-11
ITTO970489A0 (en) 1997-06-05

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