CN1163845A - Frame structure for motor scooter - Google Patents

Frame structure for motor scooter Download PDF

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Publication number
CN1163845A
CN1163845A CN97102384A CN97102384A CN1163845A CN 1163845 A CN1163845 A CN 1163845A CN 97102384 A CN97102384 A CN 97102384A CN 97102384 A CN97102384 A CN 97102384A CN 1163845 A CN1163845 A CN 1163845A
Authority
CN
China
Prior art keywords
vehicle frame
back vehicle
frame
motor scooter
rear end
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
CN97102384A
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Chinese (zh)
Other versions
CN1123475C (en
Inventor
山口宣雄
竹中正彦
铃木明子
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
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 CN1163845A publication Critical patent/CN1163845A/en
Application granted granted Critical
Publication of CN1123475C publication Critical patent/CN1123475C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62HCYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
    • B62H1/00Supports or stands forming part of or attached to cycles
    • B62H1/02Articulated stands, e.g. in the shape of hinged arms
    • B62H1/04Substantially U-shaped stands for embracing the rear wheel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2202/00Motorised scooters

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

Abstract

The invention provides a fitting structure for a simplified but rigid main stand for a scooter type vehicle. This scooter type vehicle 1 has a down frame 6 hanging down from a head pipe 5 to its rear lower part extending approximately horizontally to the rear from the lower part of a floor 29 and a rear frame 7 rising to the rear upper part at the rear end integrally connected to the rear end of the down frame 6 with a power unit 21 supported by the lower part of the rear frame 7 in an freely rotary manner. The front lower part 7a of the rear frame 7 is curved toward the low rear and extended to the rear so as to cover the lower part of the power unit 21, while a main stand 11 is fitted to the rear end of a rearwardly extended part 7d of the rear frame 7.

Description

The body frame structure for automotive of motor scooter
The present invention relates to a kind of back vehicle frame shape of motor scooter and the body frame structure for automotive of main support mounting structure.
Motor scooter of the prior art, what for example the real public clear 60-20546 communique of Japan was disclosed is such, bottom at the back vehicle frame forms the hole of vehicle frame insertion usefulness down by following process, after the following rearward end of vehicle frame being inserted in the rearward end hole of this back vehicle frame, again welding processing is carried out at this insertion position.
Aforesaid motor scooter, because vehicle frame links together with back vehicle frame approximate vertical down, therefore, be easy to produce stress concentration at this connecting portion, in order to strengthen this connecting portion, corner plate and back vehicle frame are linked into an integrated entity, and the rearward end of following vehicle frame also is inserted in the hole of this corner plate, and corner plate also is to be integral by being welded to connect with following vehicle frame.
In addition, in aforementioned motor scooter, because rear wheel is inlaid in combustion engine, on the output shaft of the engine installation that the incorporate weight of power-transfer clutch and variable-speed motor is big, body gravity is offset to rear vehicle, when propping main support, in order to allow wheel float, must make the installation site of support be positioned at the car body rear of aforementioned vehicle frame down and back vehicle frame connecting portion, the result, promptly enable to allow the aforementioned vehicle frame down and the reinforcement of back vehicle frame connecting portion use parts with installing with carriage double as support, because it is big with the flexural load on the carriage to act on this reinforcement, therefore, in order to resist this big flexural load, just caused this reinforcement to be maximized inevitably with carriage, weight is big, the shortcoming that expense is high.
The objective of the invention is, in order to overcome above-mentioned shortcoming, and provide a kind of body frame structure for automotive of improved motor scooter.
In this motor scooter of the present invention, in the past the following vehicle frame that hangs down towards the back lower place of pipe in the bottom of pedal roughly along continuous straight runs extend backwards, the rear end of following vehicle frame links into an integrated entity with the back vehicle frame that erects towards the back upper place, dynamic device can be supported in the bottom of back vehicle frame with freely swinging, it is characterized in that, the forward lower part of aforementioned back vehicle frame is crooked and extend backwards to the back lower place, covers the below of engine installation, in the rear end of the rear extension portion of this back vehicle frame main support is installed.
In the motor scooter of the present invention, because the forward lower part of the back vehicle frame that erects towards the back upper place is crooked and extension backwards to the back lower place, rear end in the rear extension portion of this back vehicle frame is equipped with main support, therefore, the big main support installing component of large-scale weight that does not need Chinese People's Anti-Japanese Military and Political College's load, thereby reduced component number and manufacturing procedure, realized the purpose that lightweight and expense are low.
In the present invention,, cover the below of engine installation because the forward lower part of back vehicle frame is extended towards the rear, therefore, the influence that can protect the forward lower part of engine installation not stepped on stone and curb.
And, the structure that claim 2 is put down in writing according to the present invention, under the prerequisite that does not increase vehicle commander's degree, can enlarge vehicle frame rear, back engine installation the space is set.
Moreover, the structure that claim 3 is put down in writing according to the present invention, the rear end of following vehicle frame is easy to interconnect securely with the curved lower of back vehicle frame.
Fig. 1 is the lateral plan of motor scooter that has the body frame structure for automotive of one embodiment of the invention.
Fig. 2 is the following vehicle frame of Fig. 1 body frame structure for automotive and the lateral plan of back vehicle frame.
Fig. 3 is the birds-eye view of Fig. 2 main portion.
Fig. 4 is the IV-IV cross sectional drawing of the Fig. 1 under the state that main support erects.
Fig. 5 is the V portion enlarged drawing of Fig. 2.
Fig. 6 is the cross-sectional view of cutting open along Fig. 2 VI-VI line section.
Fig. 7 is the cross-sectional view of cutting open along Fig. 2 VII-VII line section.
Fig. 8 be Fig. 2 VIII to enlarged view.
Fig. 9 is that the IX of Fig. 5 is to view.
Figure 10 is that the X of Fig. 5 is to view.
Figure 11 is the block diagram of another embodiment main portion.
Figure 12 is the cross-sectional view of Figure 11.
Hereinafter narrate one embodiment of the invention with reference to Fig. 1~Figure 10.
Motor scooter 1 as shown in Figure 1, have the front-wheel 3 and the trailing wheel 4 that are installed in vehicle body frame 2 front and back respectively, this vehicle body frame 2 is by preceding pipe 5, the following vehicle frame 6 of pipe shape and section are that the back vehicle frame 7 of hollow oblong (overall width direction size is big) is formed, following vehicle frame 6 from this before pipe 5 hang down towards the back lower place, and from pedal 29 bottoms roughly along continuous straight runs extend towards the rear, back vehicle frame 7 links into an integrated entity with the rearward end 6a of this time vehicle frame 6, and erect towards the back upper place from rearward end 6a, the forward lower part 7a of this back vehicle frame 7 is crooked and extend back towards the back lower place, covers the below of the engine installation 21 at rear portion.
In addition, the rearward end 6a of following vehicle frame 6 is crooked slightly downwards as shown in Figure 2, and its upper surface makes flat pattern simultaneously, with the curved lower surfaces sealing contact of back vehicle frame 7, the both sides of the edge of following vehicle frame 6 and vehicle frame 7 contacts site, back are integral by being welded to connect.
In addition, the anterior position of vehicle frame 6 and vehicle frame 7 contacts site, back under the horizontal rear portion 6b of following vehicle frame 6 is positioned at, the part 7b that erects of back vehicle frame 7 is positioned at the down top position of vehicle frame 6 and vehicle frame 7 contacts site, back, preceding corner plate 8 contacts with the upper surface of the above-mentioned horizontal rear portion 6b of vehicle frame 6 down and the front surface that erects part 7b of back vehicle frame 7 as shown in Figure 2, and the both sides of the edge of this contact site are integral by being welded to connect as shown in Figure 6.Strengthen rigidity, reinforcing by 8 pairs of following vehicle frames 6 of preceding corner plate with the connecting portion of back vehicle frame 7.
Moreover as shown in Figure 2, the top 7c that erects part 7b of back vehicle frame 7 is gently crooked towards the rear, and the rear surface of this sweep 7c and two sides contact with back corner plate 9 as shown in Figure 7, and the both sides of the edge of contact site are integral by being welded to connect.Sweep 7c by means of vehicle frame 7 behind 9 pairs of the corner plate in back strengthens rigidity, reinforcing.
Further, the side is the main support carriage 10 of Z word shape slightly, links into an integrated entity by welding and rear end from the bottom rear extension part 7d that extends towards the rear of forward lower part 7a of back vehicle frame 7.The left and right sides of the central vertical part 10a of this main support carriage 10 and rear extension part 10b is connected with support mounting portion, left and right sides 10c respectively by welding.Spring perch 10d towards car body left side be connected integratedly rear extension part 10b above.
In addition, as shown in Figure 4, the leg 11a that can the main support 11 of free rough ground pivotal joint on main support carriage 10 makes, form with the top junction integrator of this leg 11a and the body 11b that makes by steel plate, the left and right sides 11c of pivotal support portion that stretches out upward from the both sides of body 11b and the spring perch 11d that stretches out left from the left pivotal support 11c of portion by horizontally extending to left and right direction reinforcing bar from the inverted v-shaped two ends.The 11c of left and right sides pivotal support portion of aforementioned main support 11 splices in the inboard of support mounting portion, the left and right sides of main support carriage 10 10c, by means of the pivot 12 that passes from here main support 11 can be pivotally mounted on the main support carriage 10 by free rough ground.Set up pulling force coil spring 13 between the spring perch 11d of main support carriage 10 and the spring perch 11d of main support 11.
As shown in Figure 6, hang sleeve 14 and pass the left and right sides face that erects part 7b of back vehicle frame 7 and the left and right sides face of preceding corner plate 8.The left and right sides face that erects part 7b by will this back vehicle frame 7 and hang the auxiliary section weld together of sleeve 14 makes and hangs sleeve 14 and be fixed on integratedly on the vehicle frame 7 of back.As shown in Figure 1, the front end that pair of right and left hangs connecting rod 16 is installed in the two ends that are flush-mounted in the hanger pin 15 on this suspension sleeve 14 integratedly, and the front end of engine installation 21 is installed in the rear end of this suspension connecting rod 16 by mount pin 17, and can swing up and down.
As Fig. 5, Fig. 9 and shown in Figure 10, energy disperser pivot shaft 19 is installed in the left surface of the top rearward end 7e of back vehicle frame 7 top 7c integratedly with welding by carriage 18, simultaneously, the right flank of the top rearward end 7e of vehicle frame 7 top 7c after high-tension coil mounting column 20 is installed in integratedly by welding, the contact site of the cardinal extremity of energy disperser pivot shaft 19 and high-tension coil mounting column 20 is weld together also.
In addition, engine installation 21 is made up of combustion engine 22, vee-belt stepless speed changer 23 and gear reducer 24.Trailing wheel 4 is installed on the output shaft of gear reducer 24 integratedly.The two ends up and down of energy disperser 26 pivotally are installed on the energy disperser pivot shaft 19 of top rearward end 7e of back vehicle frame 7 respectively and on the installation shaft 25 of engine installation 21.The latter half of weight of motor scooter 1 is supported by trailing wheel 4 by energy disperser 26 and engine installation 21.
Moreover pedal pipe 27 passes down the central part of the width up and down of the 6c of horizontal centre portion of vehicle frame 6 and horizontal rear portion 6b along the overall width direction, and is connected integratedly on the vehicle frame 7 of back by welding.Pedal bracket 28 is connected above the two ends, the left and right sides of this pedal pipe 27 integratedly by welding, and pedal 29 is erected on the pedal bracket 28.
Further, as shown in Figure 1, on the preceding pipe 5 can about be embedded with control lever shaft 30 with rotating freely, upper end at this control lever shaft 30 is equipped with operating handle 31 integratedly, simultaneously in the lower end of control lever shaft 30 pair of right and left front fork 32 is installed integratedly, front-wheel 3 is pivotally mounted in the lower end of front fork 32 free to rotately.
In addition, above left vee-belt stepless speed changer 23 airfilter 33 is set, in its place ahead carburettor 34 is set simultaneously, noise silencer 35 is arranged on and the car body right side of vee-belt stepless speed changer 23 across an opposite side of trailing wheel 4.
Also have, among the top rearward end 7e of the back vehicle frame 7 of the front end insertion hollow of back mounting 36 made of aluminum, this back mounting 36 links into an integrated entity with the top rearward end 7e of back vehicle frame 7.From the place ahead to the rear, above back vehicle frame 7 and back mounting 36, Fuel Tank 37, fuel tank 38 and storage battery 39 are installed successively, but and by easy on and off swingingly pivotal mounting 40 sealing in the seat of Fuel Tank 37 front ends that hereinafter will narrate.
And the front fender 41 that is positioned at front-wheel 3 tops is installed on the front fork 32 integratedly, and vehicle frame guar plate 42 erects upward and is being provided with along the front portion of descending vehicle frame 6 from the front portion of pedal 29.
The rear portion of pedal 29 erects upward, forms back cap 29a, is provided with body cover 43 on the upper limb 29b of this back cap 29a, is provided with central lid 44 on the upper limb 43a of the place ahead of body cover 43.
In addition, as shown in Figures 2 and 3, wait by welding in the side of the 7d of bottom rear extension portion of back vehicle frame 7 to be fixed with integratedly that to be used to be the U-shaped hook 48 of hanging anti-theft column lock.
In the embodiment of Fig. 1~shown in Figure 10, owing to rearward extend again after the forward lower part 7a rear bending down of aforesaid back vehicle frame 7, main support carriage 10 is connected the rear end of the 7d of this bottom rear extension portion integratedly, main support 11 can be pivotally mounted on this main support carriage 10 by free rough ground, therefore, both made to erect and made under the state that motor scooter 1 supports by this main support 11 at main support 11, though support is in the past installed with acting on big bending load on the parts, but, in this embodiment, this big bending load can be born by the 7d of bottom rear extension portion of back vehicle frame 7, therefore, can make main support carriage 10 miniaturization ands.
In addition, because the 7d of bottom rear extension portion of back vehicle frame 7 is made of one with back vehicle frame 7, thus can not reduce intensity by welding, and structure is more firm, processing is simple, and reduced expense.
Further,, the lower front of engine installation 21 is covered because the 7d of bottom rear extension portion of back vehicle frame 7 extends towards the rear, therefore, the influence that can protect the crankcase of combustion engine 22 not stepped on stone or curb.
Moreover, because the section form of back vehicle frame 7 is the hollow oblong, and the size of the overall width direction of this hollow oblong section is big, so, near rear end, the top 7e of near fore-and-aft direction space the rising portions 7b of back vehicle frame 7 and back vehicle frame 7 fore-and-aft direction space is relatively more rich, can dwindle the length and the height of the fore-and-aft direction of motor scooter 1, make motor scooter 1 miniaturization.
Also have, because section is the rearward end 6a bending slightly downwards of the following vehicle frame 6 of circle, its upper surface is made pancake, with the curved lower surfaces sealing contact of back vehicle frame 7, therefore, vehicle frame 6 and back vehicle frame 7 is combined securely.
In addition, the anterior position of vehicle frame 6 and vehicle frame 7 contacts site, back under the horizontal rear portion 6b of following vehicle frame 6 is positioned at, the part 7b that erects of back vehicle frame 7 is positioned at the down top position of vehicle frame 6 and vehicle frame 7 contacts site, back, preceding corner plate 8 contacts with the upper surface of the above-mentioned horizontal rear portion 6b of vehicle frame 6 down and the front surface that erects part 7b of back vehicle frame 7, and, the top that erects part 7b of back vehicle frame 7 is gently crooked towards the rear, the rear surface of this sweep 7c and two sides contact with back corner plate 9, the both sides of the edge of these contacts site are integral by being welded to connect, therefore, on vehicle body frame 2, increased the intensity of following vehicle frame 6 that effect has maximum load and vehicle frame 7 contacts site, back significantly, rigidity, as a result, the thickness of slab and the oad of vehicle frame 6 and back vehicle frame 7 make vehicle body frame 2 miniaturization ands under can dwindling.
In Fig. 1 and embodiment shown in Figure 10, though main support 11 pivotally is supported on the main support carriage 10.But, as Figure 11 and shown in Figure 12, the 7d of bottom rear extension portion that also sleeve 45 can be passed back vehicle frame 7 is being provided with along the overall width direction, and its chimeric position welded, simultaneously spring pivot shaft 46 projection integratedly is arranged on the 7d of bottom rear extension portion of back vehicle frame 7, after the 11c of pivotal support portion of main support 11 is entrenched in the two ends of this sleeve 45, again collar 47 is entrenched in the gap between the 11c of pivotal support portion of the side of back vehicle frame 7 7d of bottom rear extension portion of spring pivot shaft 46 1 sides and main support 11, pivot 12 is inserted among the 11c of pivotal support portion and sleeve 45 of main support 11, in this embodiment, owing to do not need main support carriage 10, so structure is simpler.

Claims (3)

1, a kind of body frame structure for automotive of motor scooter, in the past the following vehicle frame that hangs down towards the back lower place of pipe in the bottom of pedal roughly along continuous straight runs extend backwards, the rear end of following vehicle frame links into an integrated entity with the back vehicle frame that erects towards the back upper place, dynamic device can be supported in the bottom of back vehicle frame with freely swinging, it is characterized in that
The forward lower part of aforementioned back vehicle frame is crooked and extend backwards to the back lower place, covers the below of engine installation, in the rear end of the rear extension portion of this back vehicle frame main support is installed.
2, the body frame structure for automotive of motor scooter according to claim 1 is characterized in that, the section of aforementioned back vehicle frame is an oblong.
3, the body frame structure for automotive of motor scooter according to claim 2, it is characterized in that, the rear end of aforementioned down vehicle frame is a pancake, and links into an integrated entity with the curved lower of aforementioned back vehicle frame, and this time vehicle frame mutually combines by strengthening part with back vehicle frame and is integral.
CN97102384A 1996-03-19 1997-01-29 Frame structure for motor scooter Expired - Fee Related CN1123475C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP089015/96 1996-03-19
JP089015/1996 1996-03-19
JP08901596A JP3632792B2 (en) 1996-03-19 1996-03-19 Scooter type vehicle frame structure

Publications (2)

Publication Number Publication Date
CN1163845A true CN1163845A (en) 1997-11-05
CN1123475C CN1123475C (en) 2003-10-08

Family

ID=13959091

Family Applications (1)

Application Number Title Priority Date Filing Date
CN97102384A Expired - Fee Related CN1123475C (en) 1996-03-19 1997-01-29 Frame structure for motor scooter

Country Status (4)

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JP (1) JP3632792B2 (en)
CN (1) CN1123475C (en)
ES (1) ES2147077B1 (en)
IT (1) IT1291151B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1106312C (en) * 1997-12-03 2003-04-23 本田技研工业株式会社 Chassis frame for motorcycle etc.

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008239143A (en) * 2007-02-28 2008-10-09 Yamaha Motor Co Ltd Scooter type motorcycle
JP7117401B2 (en) * 2019-02-05 2022-08-12 本田技研工業株式会社 electric vehicle
JP7185385B2 (en) * 2020-03-25 2022-12-07 本田技研工業株式会社 Straddle-type vehicle frame structure

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6020546Y2 (en) * 1980-07-09 1985-06-19 本田技研工業株式会社 motorcycle frame
JPS5820581A (en) * 1981-07-24 1983-02-07 本田技研工業株式会社 Frame structure of car
US4487283A (en) * 1981-10-19 1984-12-11 Honda Motor Co., Ltd. Motorcycle
GB2184990B (en) * 1985-12-27 1988-12-29 Honda Motor Co Ltd Scooter type vehicle
US5433286A (en) * 1988-09-27 1995-07-18 Honda Giken Kogyo Kabushiki Kaisha Motorcycle
IT1257053B (en) * 1991-02-06 1996-01-05 Honda Giken Kogyo Kabuschiki K Electrical vehicle
EP0581318B1 (en) * 1992-07-31 1997-10-29 Yamaha Hatsudoki Kabushiki Kaisha Frame structure for motorcycle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1106312C (en) * 1997-12-03 2003-04-23 本田技研工业株式会社 Chassis frame for motorcycle etc.

Also Published As

Publication number Publication date
ES2147077B1 (en) 2001-04-01
IT1291151B1 (en) 1998-12-29
CN1123475C (en) 2003-10-08
ITTO970164A1 (en) 1998-08-27
JPH09254840A (en) 1997-09-30
JP3632792B2 (en) 2005-03-23
ES2147077A1 (en) 2000-08-16

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