JP3409558B2 - Scooter-type vehicle under cowl - Google Patents

Description

Description: BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to an under cowl of a scooter type vehicle configured to cover a lower side of a low-floor footrest. 2. Description of the Related Art In a motorcycle called a scooter type vehicle, a space between a handlebar for steering a front wheel and a seat is deeply indented downward, and a low and flat footrest portion (step) is provided here. Board) is provided, and the occupant rides with both feet placed on this footrest portion. [0003] In recent years, scooter-type vehicles provided with an under cowl that covers the lower side of a footrest are increasing in order to improve the appearance and reduce air resistance during traveling.
This under cowl is a cover formed by synthetic resin molding similarly to the frame cover covering the entire body frame. [0004] Due to this under cowl, a cylindrical space is formed below the footrest portion, and the rear portion of this space opens in front of a power unit that drives rear wheels. [0005] However, water, mud, etc., from which the rear wheel jumps during running, jumps from behind into the cylindrical space formed below the footrest by the under cowl. Cheap. Therefore, as disclosed in, for example, Japanese Patent Application Laid-Open No. 1-111587, there is a type in which the rear portion of the under cowl bottom is formed to be lower toward the rear. [0006] In this case, since water, mud, etc., which have jumped into the under cowl, flow down from the rear portion of the under cowl, the accumulation of mud, etc. on the under cowl can be prevented. However, this is a scheme for discharging water, mud and the like that have entered the under cowl, and does not actively prevent the entry of water and mud. In addition, since the rear portion of the under cowl is lowered, there is a problem that the minimum ground clearance of the scooter type vehicle cannot be sufficiently secured. Further, since the rear portion of the under cowl is widened toward the rear, the vehicle body frame member and the like disposed inside the under cowl can be seen when viewed obliquely from the rear, which is not preferable in the aesthetic appearance of the scooter type vehicle. . The under cowl of the scooter type vehicle according to the present invention has been made to solve such a problem, and its purpose is to positively prevent water and mud from entering the under cowl. And inside the under cowl
The purpose is to improve the aesthetic appearance of the scooter type vehicle by concealing the parts . [0012] In order to achieve the above object, an under cowl of a scooter type vehicle according to the present invention is provided.
A low-floor footrest is provided between the handlebar and the seat, and a low-floor footrest is provided below the seat.
A power unit that integrates the engine and the power transmission
The knit is suspended and the rear wheel is behind the power unit
In a scooter-type vehicle that is pivotally supported and provided with an under cowl that covers the lower side of the footrest ,
Gulf entering from the rear of the under cowl forward
And a power unit engine at this bay entrance.
As well as the under cowl
Elevated rear edge toward the rear, a shielding wall erected formed inwardly from the inner peripheral portion of the under cowl to the rear edge this takes the right and lower portion of the engine in this shielding wall
By winding, the rear of the space inside the under cowl is
It was shielded by gin and shielding wall . [0013] If such a shielding wall is provided, water and mud, etc., which the rear wheel jumps up during running, are shielded by the shielding wall and the engine, so that the intrusion of water, mud, etc. into the under cowl is positive. Can be prevented. Moreover, shielding walls and
Engine hides the inside of the under cowl from the outside
Therefore, the aesthetic appearance of the scooter type vehicle is improved. Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a left side view of a scooter type vehicle showing one embodiment of the present invention. The scooter type vehicle 1 has a handlebar 3 for steering the front wheels 2,
The space between the seat and the seat 4 on which the occupant sits is deeply indented downward, and a low and flat footrest 5 is provided here. A power unit 8 in which an engine 6 and a power transmission device 7 are integrally formed is suspended below the seat 4. A rear wheel 9 is supported at the rear of the power unit 8. . A body frame (not shown) of the scooter-type vehicle 1 is entirely covered with a streamlined frame cover 10 made of synthetic resin to improve the appearance of the scooter-type vehicle 1.
The protection of internal equipment and the reduction of air resistance during running are being attempted. The frame cover 10 includes a front frame cover 11 that covers the front of the footrest 5 and a footrest 5.
A rear frame cover 12 that covers the rear more than the rear frame cover 12, and these covers 11, 12 are further configured by combining a plurality of small cover members. The foot rest 5 is formed in a board shape so as to be smoothly connected to the front frame cover 11 and the rear frame cover 12. An under cowl 14 that covers the lower side of the foot rest 5 is provided. The under cowl 14 is also a synthetic resin molded product similar to the frame cover 10 and has a substantially U-shaped shape when viewed from the front, so that a cylindrical space 15 is formed below the footrest 5. The rear part of the space 15 opens near the front part of the power unit 8. FIG. 2 is a plan view of the under cowl 14, and FIG.
FIG. 3 is a longitudinal sectional view of the under cowl 14 along the line III-III in FIG. 4 is a perspective view of the under cowl 14 as viewed obliquely from the rear left. FIG. 5 is a front view of the under cowl 14 as viewed from the direction of the arrow V in FIG. A plurality of engaging claws 16 and 17 are provided on both inner sides of the under cowl 14, and these engaging claws 16 and 1 are provided.
7 is locked to the foot rest 5 and the front and rear frame covers 11 and 12, the under cowl 14 is positioned, and the screw fastening portions 18 formed at the four corners of the under cowl 14 are fixed to the body frame with screws. . As shown in FIG. 2, the under cowl 14 has an indented portion 20 which is deeply indented from the rear toward the front.
Are formed, and the engine 6 of the power unit 8 enters the bay entrance 20. The tip of the bay portion 20 cuts into the bottom surface 14a of the under cowl 14. 2. As shown in FIGS. 3 to 5, the rear edge of the under cowl 14 rises rearward, and a shielding wall that rises inward from the inner peripheral portion of the rear edge. 21 are formed. In FIG. 2, the curve A
Indicates the rear edge of the under cowl 14, and a portion inside the folding curve A is a shielding wall 21. The shielding wall 21 extends to a boundary line B with another cover member adjacent to the under cowl 14, for example, the rear frame cover 12 shown in FIG. Further, a low flange wall 21a is formed to stand at right angles from the inner peripheral edge of the shielding wall 21, and this flange wall 21a
Surrounds the bay entry 20. In addition, only the flange wall 21a is formed at the tip of the indented portion 20. As shown in FIG. 5, the shielding wall 21 is
The water, mud, and the like that the rear wheel 9 jumps up when the scooter type vehicle 1 travels are shielded by the shield wall 21 and the engine 6. Therefore, intrusion of water, mud, and the like into the under cowl 14 can be positively prevented. Moreover, the shielding wall 21 is used for the rear frame cover 12.
And the inside of the under cowl 14 is concealed from the outside by the shielding wall 21.
For this reason, a vehicle body frame member (not shown) disposed in the under cowl 14 is not visible from the outside, and the aesthetic appearance of the scooter type vehicle 1 can be greatly improved. Further, since the shielding wall 21 and the flange wall 21a are formed, the cross section of the rear portion of the under cowl 14 becomes substantially L-shaped, and the rigidity is remarkably improved. Vibration noise from the under cowl 14 can be effectively prevented, and the distortion of the mating part with other cover members (here, the rear frame cover 12) can be eliminated, so that the assemblability has been greatly improved. You. Since the shield wall 21 and the flange wall 21a are formed integrally with the under cowl 14, the manufacturing cost of the under cowl 14 does not increase. A drain hole 22 is provided on the bottom surface 14a of the under cowl 14. This drain hole 22 is
The last part of a, ie, the flange wall standing at the tip of the indented part 20
It is located just before 21a and its diameter is under cowl.
The diameter is set so that the water and mud that has entered the inside of 14 can be effectively drained. In this embodiment, only one drain hole 22 is provided at the center in the vehicle width direction, but a plurality of drain holes 22 may be provided. By providing the drain hole 22, even if water, mud or the like enters the under cowl 14, it can be discharged from the drain hole 22. As described above, in the under cowl of the scooter type vehicle according to the present invention, the space between the handlebar and the seat is deeply pierced downward so that the low-floor footrest is provided. An engine and a power transmission device are provided below the seat.
The power unit, which is integrated with the
In a scooter type vehicle in which a rear wheel is pivotally supported at a rear portion of the power unit and an under cowl is provided to cover a lower side of the footrest portion , the rear portion of the under cowl in a vehicle body plan view
From the front to the front,
With the power unit engine
The rear edge of the under cowl as seen from the side of the vehicle
A shield wall is formed on the rear edge of the under cowl so as to rise inward from the inner periphery of the under cowl.
By surrounding the left and right and lower parts of the engine with
The rear part of the space inside the under cowl is shielded by the engine and shielding wall
It is characterized by having done. If such a shielding wall is provided, water and mud, etc., in which the rear wheel jumps up during traveling, are shielded by the shielding wall and the engine, so that the intrusion of water, mud, etc. into the under cowl is positive. Can be prevented. Moreover, shielding walls and
Engine hides the inside of the under cowl from the outside
So you can improve the aesthetics of the scooter type vehicle
You. [0034]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a left side view of a scooter type vehicle showing an embodiment of the present invention. FIG. 2 is a plan view of an under cowl. FIG. 3 is a longitudinal sectional view of the under cowl along the line III-III in FIG. 2; FIG. 4 is a perspective view of the under cowl as viewed obliquely from the rear left. FIG. 5 is a front view of the under cowl as viewed from an arrow V in FIG. 4; [Description of Signs] 1 Scooter type vehicle 2 Front wheel 3 Handlebar 4 Seating seat 5 Footrest 6 Engine 7 Power transmission device 8 Power unit 9 Rear wheel 14 Under cowl 15 Space inside under cowl 20 Bay entrance 22 Shield wall

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-246887 (JP, A) JP-A-9-52587 (JP, A) JP-A-2-158475 (JP, A) JP-A-60-1985 151126 (JP, A) JP-A-7-25375 (JP, A) JP-A-1-111587 (JP, A) JP-A 62-117185 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B62J 15/00 B62J 23/00 B62J 25/00

Claims (1)

(57) between the Claims] and [Claim 1] handlebars and seat seat footrest deeply indented with low floor is provided below, the seating
The engine and power transmission are integrated under the seat
Power unit is suspended, this power unit
Is supported the rear wheel of the rear, in the scooter-type vehicle provided with an under cowl which covers the underside of the footrest, car
From the rear of the under cowl to the front in body plan view
A power unit is formed in the bay.
The engine of the engine
The rear edge of the under cowl is raised rearward. <br/> A shield wall is formed on the rear edge of the under cowl so as to rise inward from the inner peripheral portion of the under cowl .
Around the bottom and the bottom
An under cowl of a scooter-type vehicle, wherein a rear portion between the engine and a shielding wall is shielded .