Form of implementation of the present invention is described below with reference to the accompanying drawings.
" preceding ", " back ", " left side ", " right side ", " on ", D score judges that by direction that chaufeur is seen CL illustrates the overall width center.Accompanying drawing is watched by the direction of symbol.
Fig. 1 is the right side view of dilly of the present invention.
Dilly 1 is a small motorcycle type motorbicycle, comprise vehicle frame (vehicle body) 2, be installed in pipe 2a before the vehicle frame 2 front fork 3, be installed on front fork 3 front-wheel 4, be connected in front fork 3 turn to handle 5, be installed on the band driving engine 6 at vehicle frame 2 rear portions unit power plant 7, be installed on unit power plant 7 rear portions trailing wheel 8, be disposed at the vehicle seat 9 on top, vehicle frame 2 rear portion and the main body cover 10 that covers vehicle frame 2.
Main body cover 10 have cover turn to around the handle 5 turn to handle cover 11, cover vehicle frame 2 front portions front shroud 12, cover chaufeur foot shank baffle plate 13, place the low chassis formula leg rest base plate 14 of the pin of chaufeur, the base plate skirt 15 that extends from the outer rim of leg rest base plate 14, upwards cover the middle part cover 16 of vehicle frame 2 pars intermedias and the back cover 17 that rearward extends and cover unit power plant 7 tops and trailing wheel 8 tops from middle part cover 16 downwards from base plate 14 rearward end.
Front shroud 12 for from leg rest base plate 14 to turning to handle 5 nearby to cover the outer cover of vehicle frame 2 front portions, this outer cover be the integrally formed product of resin of the 4 top one extension middle apron mud boards 21 from its front end to front-wheel.
In the figure, resinous right mudwing portion 22 is installed in the right flank 21a of front shroud 12 and middle apron mud board 21.
Among the figure, symbol 31 is a head lamp, and symbol 32 is a turning indicator, and symbol 33 is preceding shock absorber, symbol 34 is for being disposed at the Fuel Tank of leg rest base plate 14 belows, and symbol 35 is a freeing pipe, and symbol 36 is a noise silencer, symbol 37 is a luggage carrier, and symbol 38 is a taillight, and symbol 39 is a rear mudguard.
Fig. 2 is the left side view of dilly of the present invention front portion, and among the figure, resin system left side mudwing portion 23 is installed in the left surface 12b of front shroud 12 and the left surface 21b of middle apron mud board 21.Left side mudwing portion 23 is same formation with respect to right mudwing portion 22 left-right symmetric in addition, its explanation of Therefore, omited.
The composite construction of middle apron mud board 21, right mudwing 22 (with reference to Fig. 1) of portion and left mudwing portion 23 forms the front fender apron 24 that covers front-wheel 4 tops.
Describe front shroud 12 and front fender apron 24 below in detail.
Fig. 3 is the right side view of front shroud of the present invention and front fender apron.
Front shroud 12 is for looking the outer cover that is anti-" く " word shape down substantially on the right side, from its highly front ends of central authorities towards oblique front lower place, middle apron mud board 21 is extended obliquely, its leading section is bending downwards.Middle apron mud board 21 is the section body of open cardinal principle " コ " word shape under just analysing and observe, the width A of this section body substantially evenly.Middle apron mud board 21 is owing to being such shape, so the lower surface 21d of length middle body is the shape of cutting dearly upward from by the horizontal line L of front end 21c.As a result, the area of the construction opening of leaving at the lower part front 12c and the coupled middle apron mud board 21 lower surface 21d of front shroud 12 25 (to call " opening 25 " in the following text) is bigger.
The integrally formed product that such front shroud 12 and middle apron mud board 21 constitute are for being down the member of " Y " word shape substantially under side-looking.
Right side mudwing portion 22 is that the edge is by the horizontal line L of middle apron mud board 21 front end 21c outer cover that extend up and down, that be installed on opening 25.In detail, 1st installation portion 26 and 2nd installation portion 27 on the top right flank 21a that be installed in middle apron mud board 21 of right mudwing portion 22 by the front portion, in addition, the 4th installation portion 29 of the 3rd installation portion 28 by top, rear portion and rear lower be installed in front shroud 12 right flank 12a.Right side mudwing portion 22 is forming flange 22a with around opening 25 part in opposite directions, and makes this flange 22a hang over the edge of opening 25.
Front shroud 12 forms head lamp installation portion 12d and is used for the lamp installation recess 12e of installation direction indicator lamp.
Fig. 4 is the 4-4 line cutaway view of Fig. 3, and the cross-section structure of the 1st installation portion 26 is shown.
The 1st installation portion 26 extends the 1st boss 21e towards opening 25 sides in the bending of mudwing portion 21, on the other hand, in opening 25, extend the 1st extension 22b from the leading section of right mudwing portion 22, with the front end of the 1st extension 22b coincidence at the 1st boss 21e, (left side of figure) installed by screw B1 from the rear.Right side mudwing portion 22 has the anti-avulsion protuberance 22c that hangs over opening 25 medial margin part 25a.
Fig. 5 is the 5-5 line cutaway view of Fig. 3, and the cross-section structure of the 2nd installation portion 27 is shown.
The 2nd installation portion 27 extends the 2nd extension 21f towards opening 25 sides in middle mudwing portion 21 crooked, on the other hand, in opening 25, extend the 3rd extension 22d from the upper end of right mudwing portion 22, make itself and the 2nd extension 21f overlapping, and form the 2nd boss 22e at its front end, at overlapping the 2nd extension 21f of the front end of the 2nd boss 22e, install with screw B2 from interior side.
Fig. 6 is the 6-6 line cutaway view of Fig. 3, and the cross-section structure of the 3rd installation portion 28 is shown.
The 3rd installation portion 28 inwardly extends the 4th extension 12f in the side from the crooked inner face of front shroud 12, protrude the front end of the 4th extension 12f from the edge of opening 25, on the other hand, in opening 25, extend the 3rd boss 22f from the rearward end of right mudwing portion 22, at the leading section 12g of overlapping the 4th extension 12f of the front end of the 3rd boss 22f, install with screw B3 from interior side.
Fig. 7 is the 7-7 line cutaway view of Fig. 3, and the cross-section structure that is formed at the flange 22a around the right mudwing portion 22 is shown.
Flange 22a time is hook-shaped member for looking at flat cutting of extending from the end of right mudwing portion 22 to opening 25 in.By the opening 25 medial margin part 25a that lower periphery 22a hung over front shroud 12, can stop right mudwing portion 22 to come off from front shroud 12.
Fig. 8 is the 8-8 line cutaway view of Fig. 3, and the cross-section structure of the 4th installation portion 29 is shown.
The 4th installation portion 29 is the formation identical with the 3rd installation portion 28 of above-mentioned Fig. 6.In detail, the 4th installation portion 29 inwardly extends the 5th extension 12h in the side from the crooked inner face of front shroud 12, protrude the front end of the 5th extension 12h from the edge of opening 25, on the other hand, in opening 25, extend the 4th boss 22g from the rearward end of right mudwing portion 22, at overlapping the 5th extension 12h leading section of the front end of the 4th boss 22g, install with screw B4 from interior side.
Fig. 9 is the 9-9 line cutaway view of Fig. 3, and the turning indicator installation constitution is shown.
In this turning indicator installation constitution, form lamp in the sidepiece of front shroud 12 recess 12e is installed, at lamp the elastic joint pawl 32a of the conjugate foramen 12j hook turning indicator 32 of recess 12e is installed, recess 12e is installed with screw B5 installation direction indicator lamp 32 at lamp.Symbol 12k is the slotting perforation of lamp with distribution.
Figure 10 is the 10-10 line cutaway view of Fig. 3, and the side cross-section structure that recess 12e installation direction indicator lamp 32 is installed at lamp with screw B5 is shown.
Figure 11 is the 11-11 line cutaway view of Fig. 3, and the joint construction of front shroud 12 and shank baffle plate 13 is shown.
In this joint construction, rearward (left side of figure) extends the 5th boss 12m from the back side of front shroud 12, on the other hand, extends the 6th boss 13a towards the 5th boss 12m in shank baffle plate 13, by screw B6 these the 5th, 6 boss 12m, 13a is installed.
In the bonding part of front shroud 12, has the feature that gets involved moulded parts 41 with shank baffle plate 13.Moulded parts 41 is to have the member that groove 41a that is coupled to shank baffle plate 13 ends and the section that is coupled to the groove 41b of front shroud 12 ends are roughly the font of falling S.Owing to cooperate groove 41a, the 41b of (joints) moulded parts 41 in the end of the end of front shroud 12 and shank baffle plate 13, thus both leak tightnesss of 12,13 can be improved, and can be by the deviation of both parts precision of 12,13 of moulded parts 41 absorptions.
The following describes the sequence of erection of the right side, left mudwing portion 22,23.
Figure 12 is the decomposition diagram of front shroud of the present invention, shank baffle plate, the right side and the left mudwing portion sequence of erection instruction diagram of holding concurrently.
At first, inwardly insert the flange 22a of right mudwing portion 22 in the side from opening 25.
Next the 1st extension 22b is alignd with the 1st boss 21e, the 2nd boss 22e is alignd with the 2nd extension 21f, the 3rd boss 22f is alignd with the leading section 12g of the 4th extension 12f, the 4th boss 22g is alignd with the leading section 12i of the 5th extension 12h.
After the aligned in position, interfix with 4 screw B1-B4 from front shroud 12 interior sides and middle apron mud board 21 interior sides.
Left side mudwing portion 23 also interfixes with 4 screw B1-B4 (left side omission) by the order identical with right mudwing portion 22 is square in side and the middle apron mud board 21 in the front shroud 12.
More than finished the installation exercise of right and left mudwing portion 22,23.Took off right and left mudwing portion at 22,23 o'clock, and can be undertaken by the order opposite with above-mentioned installation exercise.
By above explanation as can be known, can only pull down and install right mudwing portion 22 or left mudwing portion 23 very simply.
And owing to be screwed from the interior side of front shroud 12 and the interior side of middle apron mud board 21, so cannot see screw, aesthetic appearance is good.
The effect of the front mud shielding plate structure of above-mentioned formation is described according to Fig. 1 and Fig. 2 below.
(1) right and left mudwing portion 22,23 is the large tracts of land member that extends up and down at horizon.The area of construction opening 25 that the large-area right side and left mudwing 22,23 are installed is big.Therefore, only need take off right mudwing portion 22 or left mudwing portion 23, can see in the front shroud 12 very widely from big construction opening 25.As a result, particularly the maintenance and the upkeep operation of steering system (front fork 3, preceding shock absorber 33 etc.) are good in the front shroud 12.
(2) in middle apron mud board 21, owing to be the structure that right and left mudwing portion 22,23 only is installed in its both sides, so right and left mudwing portion 22,23 is very simple shape, easy shaping.As a result, suitably extend right and left mudwing portion 22,23 downwards from horizontal line L easily.Therefore, can extend right and left mudwing portion 22,23 downwards fully, prevent effectively from front-wheel 4 muddy water that splashes.
(3) since from leg rest base plate 14 to turning to handle 5 nearby to cover the front portion of vehicle frames 2, so do not have partitioning portion in the height central authorities of front shroud 12 by front shroud 12.Owing to there is not partitioning portion, near shank baffle plate 13, do not worry immersing muddy water from the height middle body of front shroud 12.Therefore, be not required to be at front shroud 12 and prevent from that muddy water from immersing and do to consider especially.
In the form of implementation of the invention described above, the shape and size of right and left mudwing 22,23 are any.
As long as right and left mudwing portion 22,23 is for being installed on the formation of front shroud 12 and middle apron mud board 21 dismantledly, and except that screw retention, for example also available clip is fixed.