CN103863462A - Riding-type vehicle fuel tank installation structure - Google Patents

Riding-type vehicle fuel tank installation structure Download PDF

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Publication number
CN103863462A
CN103863462A CN201310660179.9A CN201310660179A CN103863462A CN 103863462 A CN103863462 A CN 103863462A CN 201310660179 A CN201310660179 A CN 201310660179A CN 103863462 A CN103863462 A CN 103863462A
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China
Prior art keywords
fuel tank
mentioned
mounting flange
vehicle frame
installation constitution
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Pending
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CN201310660179.9A
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Chinese (zh)
Inventor
萩尾清二
牧原稔
菊地秀典
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Kawasaki Motors Ltd
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Kawasaki Jukogyo KK
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Publication of CN103863462A publication Critical patent/CN103863462A/en
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  • Automatic Cycles, And Cycles In General (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

The invention provides a riding-type vehicle fuel tank installation structure, and the structure is provided with a pair of assembly parts (27) which are symmetrically dispsoed on a frame (FR); and a pair of installation flanges (19A, 19B) which are arranged at left and right sides, and disposed at a place of a fuel tank (18), wherein the distance from the place to a rear end (18a) is 1/4-1/2 of the length (L) of the fuel tank (18). The installation flanges (19A, 19B) are connected through a connecting part (43) which passes through the installation flanges (19A, 19B) and the assembly parts (27) from the outside.

Description

The Fuel Tank installation constitution of Straddle riding type vehicle
Technical field
The present invention relates to the installation constitution of the Fuel Tank of installing on the vehicle frame of the Straddle riding type vehicle such at motor bike, all-terrain vehicle.
Background technology
In the past, for example the Fuel Tank in motor bike to the installation constitution of vehicle frame is, in the front portion of Fuel Tank and rear portion arranges respectively forwards and rear is outstanding anterior installation fitting and rear portion installation fitting, and be bolted, insertion etc. and by the body frame link of this front portion installation fitting and rear portion installation fitting and vehicle frame.As a rule, body frame has the pair of right and left vehicle frame sheet that leading section and head tube link and extend along the fore-and-aft direction of vehicle body, and anterior installation fitting and rear portion installation fitting are by inserting sheet or bolt and be erected at installation portion set on the crossbeam between pair of right and left vehicle frame sheet and link.The advantage that this Fuel Tank installation constitution has is Fuel Tank can be bearing on vehicle body securely.But, because needs are provided for linking the crossbeam of anterior installation fitting and rear portion installation fitting, therefore due to the existence of crossbeam, and be limited to the degree of freedom of the design of equipment configuration, the setting height(from bottom) of vehicle seat etc. at the periphery position of Fuel Tank.
Therefore, propose to have do not use crossbeam just can be by the rear support of Fuel Tank the Fuel Tank installation constitution on vehicle frame (with reference to Japanese kokai publication hei 5-319342 communique).This installation constitution is by rubber tape, the both sides at the rear portion of Fuel Tank to be arranged on respectively on the vehicle frame sheet of left and right of body frame.In addition, be bolted and the leading section of Fuel Tank be fixed on the crossbeam of the front pipe that links left and right.
But the Fuel Tank installation constitution of above-mentioned patent gazette has used rubber tape, therefore need for the hook of engagement rubber tape etc., it is complicated that structure becomes, and assembling also reduces.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of Fuel Tank installation constitution of Straddle riding type vehicle, can become simple formation, and can by crossbeam, the rear portion of Fuel Tank be easily arranged on vehicle frame.
To achieve these goals, the Fuel Tank installation constitution of Straddle riding type vehicle of the present invention is, is the installation constitution that Fuel Tank is arranged on to vehicle frame top, and it possesses: department of assembly, is arranged on to pair of right and left on above-mentioned vehicle frame; With pair of right and left mounting flange, on 1/4~1/2 position of the front and back length that is this Fuel Tank from rear end that is arranged on above-mentioned Fuel Tank; Above-mentioned mounting flange links by the connecting member that is inserted through this mounting flange and above-mentioned department of assembly from outside.
According to the installation constitution of this Fuel Tank, by be arranged on from rear end be before and after length 1/4~1/2 locational pair of right and left mounting flange, be fixed on pair of right and left and be arranged in the department of assembly on vehicle frame, the rear portion of Fuel Tank is installed on vehicle frame thus, does not therefore need the crossbeam for supporting fuel case rear portion.As a result, improve to the degree of freedom of the design of equipment configuration, the setting height(from bottom) of vehicle seat etc. at the periphery position of Fuel Tank.In addition, Fuel Tank is installed on vehicle frame by the department of assembly that connecting member is inserted through to its mounting flange and vehicle frame, and therefore installation constitution becomes simple.And connecting member does not have the outside of obstacle to be inserted through mounting flange and department of assembly from periphery, therefore the assembling of Fuel Tank improves.In addition, on the position in 1/4~1/2 front of the front and back length that what mounting flange was arranged on Fuel Tank is this case from rear end, therefore the over half of the load of Fuel Tank is applied on mounting flange, therefore can make the installation constitution of Fuel Tank front portion simply, for example become the structure that only inserts pin.
Be preferably in the present invention, accompany the rear portion protection ring being formed by elastic body between above-mentioned mounting flange and above-mentioned department of assembly, above-mentioned connecting member is inserted through the centre hole of above-mentioned protection ring.Thus, the vibration from vehicle frame to connecting member transmission is because protection ring is decayed, and therefore the vibrationproof of Fuel Tank improves.
Be preferably in the present invention, above-mentioned mounting flange has the mounting cylinder that is provided with flange part, above-mentioned mounting cylinder, under the state of flange face butt that is inserted through mounting hole set on above-mentioned mounting flange, above-mentioned flange part and above-mentioned mounting flange, engages with above-mentioned mounting flange.By above-mentioned butt, mounting cylinder easily and is exactly located with respect to mounting flange.
Be preferably in the present invention, above-mentioned Fuel Tank is formed with fuel accommodation space between upper plate and base plate, and above-mentioned mounting flange forms by the coincidence of above-mentioned upper plate and base plate.Thus, can be that upper plate and base plate form mounting flange by the component parts of Fuel Tank, compared with the situation of the mounting flange arranging is in addition installed on Fuel Tank, mounting flange is more easily set.
In the case of forming mounting flange and be preferably by the coincidence of above-mentioned upper plate and base plate, make above-mentioned mounting flange be, the circumference of the upper plate that is positioned at vehicle body outside is bent to the inside and overlapped with the circumference of above-mentioned base plate.Thus, on the ground that Fuel Tank is placed on to operation field time, the circumference being bent of the upper plate of mounting flange can contact with ground, therefore can guarantee the rigidity of mounting flange, and can prevent distortion and scratch.
Preferably be configured in the present invention, on the front portion of above-mentioned Fuel Tank and a side of above-mentioned vehicle frame, pin be set, and the pin stop hole that this pin card is terminated in arrange on the opposing party, the front portion of above-mentioned Fuel Tank and above-mentioned vehicle frame link thus.Thus, the operation of only selling by insertion, just can easily be arranged on the front portion of Fuel Tank on vehicle frame.In addition, the gap of inserting for instrument between needed need to be unfixing at bolt in the past, Fuel Tank and head tube, therefore can correspondingly make Fuel Tank forwards extend near head tube, and fuel tank capacity is increased, and can not expose bolt and impair outward appearance from gap.In addition, as mentioned above, the rear portion of Fuel Tank is bearing on vehicle frame via the locational mounting flange in 1/4~1/2 front of front and back length that to be arranged on from Fuel Tank rear end be this Fuel Tank, therefore can correspondingly alleviate the load burden for pin, and can dwindle pin.
In the case of during pin is engaged to pin stop hole and the front portion of Fuel Tank and above-mentioned vehicle frame are linked, above-mentioned pin stop hole can be by above-mentioned vehicle frame or above-mentioned Fuel Tank the centre hole of anterior protection ring that support, that formed by elastic body form.Thus, only by pin being inserted into the vibration that just can suppress the front portion transmission from vehicle frame to Fuel Tank in pin stop hole.
In the case of during pin is engaged to pin stop hole and will the front portion of Fuel Tank and above-mentioned vehicle frame be preferably linking, the axle center of above-mentioned pin is with respect to the tangential tilt of the circular arc centered by the mounting hole by above-mentioned mounting flange.Thus, even if act on the external force that the front portion of Fuel Tank is lifted, Fuel Tank will rotate centered by mounting hole, also can stop it to rotate by pin, and anti-shotpin is deviate from from pin stop hole.
Any combination of request scope and/or specification sheets and/or the disclosed at least two kinds of formations of accompanying drawing is all contained in the present invention.Particularly, plural any combination of each claims of request scope is all contained in the present invention.
According to reference to the explanation of following preferred implementation of accompanying drawing, the present invention can more clearly be understood.But embodiment and accompanying drawing, only for diagram and explanation, shall not be applied to and determine scope of the present invention.Scope of the present invention is determined by the request scope of adding.In the accompanying drawings, the numbering of the same parts in multiple accompanying drawings represents same section.
Accompanying drawing explanation
Fig. 1 is the left view that represents the motor bike of the Fuel Tank installation constitution of applying one embodiment of the present invention.
Fig. 2 is the block diagram from the oblique beneath in front of the same Fuel Tank.
Fig. 3 is the lateral plan that represents the installing condition of the same Fuel Tank.
Fig. 4 is the cross sectional drawing that represents the mounting portion at the rear portion of the same Fuel Tank.
Fig. 5 is the anterior block diagram that represents vehicle frame.
Fig. 6 is the longitudinal section that represents the anterior mounting portion of the same Fuel Tank.
Fig. 7 is the block diagram that represents the mounting flange of the same Fuel Tank.
The explanation of symbol
1 body frame (vehicle frame)
2 after-frames (vehicle frame)
18 Fuel Tanks
18a rear end
19A, 19B mounting flange
21 flange parts
23 pins
25 mounting cylinders
27 departments of assembly
28 anterior protection rings
28d sells stop hole
31 upper plates
33 base plates
37 fuel accommodation spaces
39 mounting holes
41 rear portion protection rings
43 connecting members
FR vehicle frame
The front and back length of L Fuel Tank
R circular arc
T tangent line
The axle center of C pin
The specific embodiment
Below, with reference to accompanying drawing, the preferred embodiment of the present invention is described.Fig. 1 represents that a kind of of Straddle riding type vehicle of the Fuel Tank installation constitution of applying one embodiment of the present invention is the left view of motor bike.The vehicle frame F R of this motor bike is by forming the body frame 1 of first half and linking with the rear portion of body frame 1 and the after-frame 2 that forms the latter half of vehicle frame F R forms.At the front end of this body frame 1, head tube 3 is installed, be inserted through freely on the steering shaft (not shown) in this head tube 3 bracket 4 and bottom bracket 5 are installed in rotation, there is front fork 8 in this bracket 4 and bottom bracket 5 upper supports, be supported with front-wheel 9 in the bottom of front fork 8.In the bracket 4 of the upper end of front fork 8, handlebar 10 is installed.
Be provided with swing arm bracket 11 in the rearward end of above-mentioned body frame 1, swing arm 12 swings up and down and is bearing in freely on swing arm bracket 11 via being inserted through the pivot 13 of leading section.Be supported with trailing wheel 14 in the rearward end of this swing arm 12.Be supported with driving engine E in the central lower of body frame 1, this driving engine E drives trailing wheel 14 via the such Poewr transmission mechanism 16 of chain.
Having jockey with vehicle seat 22 at above-mentioned after-frame 2 upper supports, is body top section on the top of body frame 1, between above-mentioned handlebar 10 and jockey are with vehicle seat 22, metal Fuel Tank 18 is installed.The below at the rear portion of Fuel Tank 18 and jockey, with the below of vehicle seat 22, are covered from side by side cover 17.In addition, at body forward structure, the resinous large-scale fairing 30 that is called as full cover is installed, this fairing 30 till the part of the side of vehicle frame F R covers, is provided with head lamp unit 32 and arm for direction indicator 34 to the front from above-mentioned handlebar 10 on this fairing 30.
Fig. 2 represents Fuel Tank 18, in the figure, is provided with respectively from the bottom of left and right sides outstanding pair of right and left mounting flange 19A, 19B at the rear portion of this Fuel Tank 18.On this mounting flange 19A, 19B, by welding, the mounting cylinder 25 that is provided with flange part 21 is installed, its details is by aftermentioned.On the other hand, in the front portion of Fuel Tank 18, near bottom surface front end, be fixed with the installation bracket 51 of pair of pin 23,23 outstanding below being provided with forwards tiltedly.
Fig. 3 represents the installing condition of Fuel Tank 18, and in the figure, what pair of right and left mounting flange 19A, the 19B of Fuel Tank 18 was arranged on Fuel Tank 18 is the position in 1/4L~1/2L front from rear end 18a with respect to the front and back length L of Fuel Tank 18.On the other hand, be on vehicle seat strut rail 20 in a part for after-frame 2, be provided with the pair of right and left department of assembly 27,27 of mounting flange 19A, 19B for Fuel Tank 18 is installed.About the details of this department of assembly 27,27 by aftermentioned.
In addition, be provided with in the bottom, front side of Fuel Tank 18 installation bracket 51 of installing for pair of pin 23 is given prominence to, and have the anterior protection ring 28 of the vibrationproof of inserting for above-mentioned pair of pin 23 at body frame 1 upper support.About the details of the supporting construction of this front portion protection ring 28 by aftermentioned.Pin 23 axle center C is with respect to the tangent line T of the circular arc R centered by the mounting hole described later 39 by mounting flange 19A, 19B, tilt in forwards outstanding mode.
Fig. 4 represents the mounting portion at the rear portion of Fuel Tank 18.Two of the left and right installation constitution of Fuel Tank 18 is identical, therefore in Fig. 4 take the mounting portion in left side as representative represents.In the figure, department of assembly 27 is formed by a pair of assembling slice 29A, 29B, and this pair of assembling slice 29A, 29B end is separately by welding on the after-frame 2 that is fixed on vehicle frame F R.Assembling slice 29A, 29B also can become single parts.On the after-frame 2 of left and right, be respectively arranged with the department of assembly 27 being formed by this pair of assembling slice 29A, 29B.On the assembling slice 29A in outside, by the bending of regulation position is formed with to engagement stage portion 38.Two assembling slice 29A, 29B separately on be formed with opposed inserting hole 29a, 29b, on the medial surface of the assembling slice 29B of inner side, be provided with the welded nut 40 with the tapped bore concentric with inserting hole 29b.
On the other hand, Fuel Tank 18 is, the base plate 33 that is positioned at the upper plate 31 in vehicle body outside and is positioned at vehicle body inner side circumference separately engages one another, and is formed with container-like fuel accommodation space 37 between this upper plate 31 and base plate 33.By by from upper plate 31 and base plate 33 separately downwards extended flange plate 31a, 33a overlap and weld mutually, form mounting flange 19A in the bottom of Fuel Tank 18 thus.Equally, at the mounting flange 19A of the bottom of the Fuel Tank 18 shown in Fig. 2, the rear of 19B, form side cover flange 26A, 26B that the front portion of side cover 17 (Fig. 1) is supported.
In the mounting hole 39 forming, insert the mounting cylinder 25 being formed by the pipe with above-mentioned flange part 21 on the mounting flange 19A of Fig. 4, under the state of outer flange face butt that makes flange part 21 and mounting flange 19A, be engaged in mounting flange 19A by welding.Flange part 21 is the parts of ring-type are fitted to the periphery of mounting cylinder 25 and are fixed by welding.
The mounting flange 19A of Fuel Tank 18 is, the rear portion protection ring 41 of using across the vibrationproof being formed by the such elastic body of rubber and be supported on department of assembly 27.Rear portion protection ring 41 is, has respectively flange part 41a, 41b at the both ends of cylinder, makes rear portion protection ring 41 embed the inner side of mounting cylinder 25, and makes the mounting cylinder 25 of mounting flange 19A between two flange part 41a, 41b.In the centre hole 41c of rear portion protection ring 41, be inserted with sleeve pipe 42.This sleeve pipe 42 have the external diameter larger than the aperture of inserting hole 29a, the 29b of two assembling slice 29A, 29B of department of assembly 27 and and a pair of assembling slice 29A, 29B between the almost equal length in interval.
The mounting flange 19A of Fuel Tank 18 links with the particularly after-frame 2 of vehicle frame F R as described below.Make sleeve pipe 42 be positioned at the concentric locational state of inserting hole 29a, the 29b of department of assembly 27 under, make the connecting member 43 being formed by bolt be inserted through inserting hole 29a, the hollow bulb of sleeve pipe 42 and the inserting hole 29b of assembling slice 29B of assembling slice 29A from outside, and being screwed into welded nut 40, the mounting flange 19A of Fuel Tank 18 and the department of assembly 27 of after-frame 2 link thus.In the time that connecting member 43 and welded nut 40 are screwed into link; sleeve pipe 42 is brought into play the interval of a pair of assembling slice 29A, 29B is remained to certain effect, prevents due to the narrow excessive elastic deformation of the rear portion protection ring 41 causing of the interval of a pair of assembling slice 29A, 29B.
Fig. 5 represents the anterior mounting portion of Fuel Tank 18.In the figure, be welded with head tube 3 at the pair of right and left vehicle frame sheet 1a of formation body frame 1, the leading section of 1b, between head tube 3 and vehicle frame sheet 1a, 1b, be bonded to the head tube gusset 44 of strengthening use samely.The installation base 48 that forms the anterior protection ring 28 (Fig. 3) that vibrationproof uses on this head tube gusset 44 is provided with mounting hole 48a on each installation base 48.
As shown in Figure 6, in mounting hole 48a, embed the anterior protection ring 28 that has the vibrationproof being formed by the such elastic body of rubber to use.Anterior protection ring 28 is formed with the 28c of cylinder portion of path between the first flange part 28a of the heavy wall in outside and the second flange part 28b of the thin-walled of inner side.Make the second flange part 28b of thin-walled in elastic deformation, pass through mounting hole 48a, by chimeric to the 28c of cylinder portion and mounting hole 48a, and anterior protection ring 28 is arranged on installation base 48.Under this state, the first flange part 28a is positioned on the outside of installation base 48.
On the other hand, on the base plate 33 of Fuel Tank 18 and outsides anterior protection ring 28 opposed positions, strengthen backing plate 50 by welding to be fixed with, and on this reinforcement backing plate 50, is fixed with installation bracket 51 by welding.Be inserted through under the state in the mounting hole 51a of this installation bracket 51 at pin 23, the 23a of plunger portion is fixed on installation bracket 51 by welding.This pin 23 chimeric and engagement with the pin stop hole 28d being formed by the centre hole of anterior protection ring 28, the front portion of Fuel Tank 18 links via the body frame 1 of head tube gusset 44 and vehicle frame F R thus.In addition, also can with this embodiment on the contrary, in vehicle frame F R side, pin 23 is set, there is the anterior protection ring 28 of pin stop hole 28d in Fuel Tank 18 side settings.
Fig. 7 represents the mounting flange 19A of Fuel Tank 18.In the figure, overlapping and form the upper plate 31 that is positioned at outside in the upper plate 31 of mounting flange 19A and base plate 33 is that the circumference of its latter half bends to the inside and overlaps with the circumference of base plate 33.
In the above-described configuration, by pair of right and left mounting flange 19A, 19B being fixed in the department of assembly 27 arranging to pair of right and left on the after-frame 2 of vehicle frame F R, the rear portion of the Fuel Tank 18 shown in Fig. 3 is installed to vehicle frame F R above thus, does not therefore need the crossbeam for the rear portion of supporting fuel case 18.As a result, improve to the degree of freedom of the design of equipment configuration, the setting height(from bottom) of vehicle seat 22 etc. at the periphery position of Fuel Tank 18.In addition, Fuel Tank 18 is installed to vehicle frame F R above by connecting member 43 being inserted through to the department of assembly 27 of its mounting flange 19A, 19B and vehicle frame F R, and therefore installation constitution becomes simple.
And connecting member 43 does not have the outside of obstacle to be inserted through mounting flange 19A, 19B and department of assembly 27 from periphery, therefore assembling improves.In addition, what mounting flange 19A, 19B were arranged on Fuel Tank 18 is on the position in 1/4~1/2 front of the front and back length L of this Fuel Tank 18 from rear end 18a, therefore the load of Fuel Tank 18 over half to be applied to mounting flange 19A, 19B upper, therefore can make the installation constitution of Fuel Tank 18 front portions become simple structure that intensity is lower, for example only insert the structure of pin 23.
In addition; between mounting flange 19A, the 19B shown in Fig. 4 and department of assembly 27, accompany the rear portion protection ring 41 being formed by elastic body; and connecting member 43 is inserted through to the centre hole 41c of rear portion protection ring 41; the vibration of therefore transmitting to connecting member 43 from vehicle frame F R is because rear portion protection ring 41 is decayed, and therefore the vibrationproof of Fuel Tank 18 improves.
And, mounting flange 19A, 19B has the mounting cylinder 25 that is provided with flange part 21, this mounting cylinder 25 is being inserted through mounting flange 19A, the upper set mounting hole 39 of 19B, flange part 21 and mounting flange 19A, under the state that the flange face of 19B overlaps, with mounting flange 19A, 19B engages, therefore mounting cylinder 25 is being mounted to mounting flange 19A, when 19B, only by mounting cylinder 25 is being inserted into mounting flange 19A, after in the mounting hole 39 of 19B, in mounting hole 39, be pressed into until flange part 21 and mounting flange 19A, the position of the flange face butt of 19B, just can be easily and exactly by mounting cylinder 25 with respect to mounting flange 19A, 19B positions.
In addition, form mounting flange 19A, 19B by the upper plate 31 of Fuel Tank 18 and the coincidence of base plate 33, therefore be only that the shape of upper plate 31 and base plate 33 is carried out part distortion by making the component parts of both having deposited of Fuel Tank 18, just can make mounting flange 19A, 19B and Fuel Tank 18 be integrally formed.Therefore,, compared with the situation of mounting flange of split is installed on Fuel Tank, mounting flange 19A, 19B can be easily set.
In addition, as shown in Figure 7, the circumference of the upper plate 31 that is positioned at vehicle body outside is bent to the inside and overlaps to form mounting flange 19A, 19B with the circumference of base plate 33, therefore on the ground that Fuel Tank 18 is placed into operation field time, the circumference bending of the upper plate 31 of mounting flange 19A, 19B contacts with ground, therefore can prevent that mounting flange 19A, 19B from producing scratch.
And, be provided with pin 23 in the front portion of the Fuel Tank 18 shown in Fig. 6, this pin 23 is limited in pin stop hole 28d set on vehicle frame F R, the front portion of Fuel Tank 18 and vehicle frame F R link thus, and therefore the front portion of Fuel Tank 18 is only sold 23 operation by insertion and just can be easily mounted on vehicle frame F R.In addition, in the case of the front portion of Fuel Tank 18 is carried out bolt fixing, between Fuel Tank and head tube, need the gap of inserting for the instrument of binding bolt.With respect to this, having used in the present embodiment of selling 23, do not need above-mentioned gap, therefore can correspondingly make Fuel Tank 18 forwards extend near head tube 3, and fuel tank capacity is increased, and can not expose bolt and impair outward appearance from above-mentioned gap.
In addition, as mentioned above, it is upper that the rear portion of Fuel Tank 18 is bearing in vehicle frame F R via locational mounting flange 19A, 19B that to be arranged on from Fuel Tank rear end 18a be 1/4~1/2 front of Fuel Tank length L, therefore can correspondingly alleviate the load burden for pin 23, and can dwindle pin.
In addition; pin stop hole 28d is formed by the centre hole of vehicle frame F R or Fuel Tank 18 anterior protection ring 28 that support, that formed by elastic body, therefore only by pin 23 being inserted into the vibration that just can suppress the front portion transmission from vehicle frame F R to Fuel Tank 18 in pin stop hole 28d.
And, as shown in Figure 3, the axle center C of pin 23 tilts with respect to the tangent line T of the circular arc R centered by the mounting hole 39 by mounting flange 19A, 19B, even if therefore Fuel Tank 18 is acted on to external force that its front portion is lifted, Fuel Tank 18 will be along the orbit rotation of the circular arc R centered by the mounting hole 39 by mounting flange 19A, 19B, and the pin 23 tilting with respect to the tangent line T of circular arc R also can stop the rotation of Fuel Tank 18.Thus, can from pin stop hole 28c, deviate from by anti-shotpin 23.
In addition, as shown in Figure 3, if the center of gravity O of the Fuel Tank 18 when mounting flange 19A, the 19B of Fuel Tank 18 are arranged on than Fuel Tank 18 trunkful more leans on rear and near position center of gravity O, specifically be arranged on the position of rearward leaving 1/8~1/4 distance of the front and back length L of Fuel Tank 18 with respect to center of gravity O, sell 23 load burden and further diminish, can dwindle pin 23.
In addition, in above-mentioned embodiment, to be applied to Straddle riding type vehicle a kind of be that the situation of motor bike is illustrated, but the present invention also can be applied to other Straddle riding type vehicles, for example full landform four-wheeled.In addition, the invention is not restricted to above-mentioned embodiment, without departing from the spirit and scope of the invention, can carry out variously appending, changing or delete, these are also contained in scope of the present invention.

Claims (8)

1. a Fuel Tank installation constitution for Straddle riding type vehicle, is the installation constitution that Fuel Tank is arranged on to vehicle frame top, wherein,
Possess:
Department of assembly, is arranged on to pair of right and left on above-mentioned vehicle frame; And
Pair of right and left mounting flange, on 1/4~1/2 position of the front and back length that is this Fuel Tank from rear end that is arranged on above-mentioned Fuel Tank,
Above-mentioned mounting flange links by the connecting member that is inserted through this mounting flange and above-mentioned department of assembly from outside.
2. the Fuel Tank installation constitution of Straddle riding type vehicle as claimed in claim 1, wherein,
Between above-mentioned mounting flange and above-mentioned department of assembly, accompany the rear portion protection ring being formed by elastic body, above-mentioned connecting member is inserted through the centre hole of above-mentioned protection ring.
3. the Fuel Tank installation constitution of Straddle riding type vehicle as claimed in claim 1 or 2, wherein,
Above-mentioned mounting flange has the mounting cylinder that is provided with flange part, and above-mentioned mounting cylinder, under the state of flange face butt that is inserted through mounting hole set on above-mentioned mounting flange, above-mentioned flange part and above-mentioned mounting flange, engages with above-mentioned mounting flange.
4. the Fuel Tank installation constitution of Straddle riding type vehicle as claimed in claim 1 or 2, wherein,
Above-mentioned Fuel Tank is formed with fuel accommodation space between upper plate and base plate, and above-mentioned mounting flange forms by the coincidence of above-mentioned upper plate and base plate.
5. the Fuel Tank installation constitution of Straddle riding type vehicle as claimed in claim 4, wherein,
Above-mentioned mounting flange is that the circumference that is positioned at the upper plate in vehicle body outside bends to the inside and overlaps with the circumference of above-mentioned base plate.
6. the Fuel Tank installation constitution of Straddle riding type vehicle as claimed in claim 1 or 2, wherein,
On the front portion of above-mentioned Fuel Tank and a side of above-mentioned vehicle frame, pin is set, and the pin stop hole that this pin card is terminated in arrange on the opposing party, the front portion of above-mentioned Fuel Tank and above-mentioned vehicle frame link thus.
7. the Fuel Tank installation constitution of Straddle riding type vehicle as claimed in claim 6, wherein,
The centre hole of above-mentioned pin stop hole anterior protection ring that support, that formed by elastic body by above-mentioned vehicle frame or above-mentioned Fuel Tank forms.
8. the Fuel Tank installation constitution of Straddle riding type vehicle as claimed in claim 6, wherein,
The axle center of above-mentioned pin is with respect to the tangential tilt of the circular arc centered by the mounting hole by above-mentioned mounting flange.
CN201310660179.9A 2012-12-10 2013-12-09 Riding-type vehicle fuel tank installation structure Pending CN103863462A (en)

Applications Claiming Priority (2)

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JP2012-269329 2012-12-10
JP2012269329A JP6231270B2 (en) 2012-12-10 2012-12-10 Saddle type vehicle fuel tank mounting structure

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Publication Number Publication Date
CN103863462A true CN103863462A (en) 2014-06-18

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Application publication date: 20140618