JPH0235036Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a rear cover for a scooter type vehicle having a low floor, and particularly relates to a cooling structure within the rear cover.

[Prior Art] Among motorcycles, scooter-type vehicles that have a low floor generally have an engine, a power transmission mechanism that transmits the power to the rear wheels, a muffler, etc. located below the seat. is covered with a rear cover (Japanese Unexamined Patent Publication No. 59-114179,
(See Japanese Unexamined Patent Publication No. 128070/1983, etc.).

Also, an opening for introducing outside air is formed in the rear cover (see Japanese Utility Model Application Publication No. 103920/1983).

[Problem to be solved by the invention] However, the shape of the conventional rear cover has a gently curved shape that gradually bulges outward as it goes downward, and even if an opening is formed, the opening Because the rear cover opens toward the front, it is difficult for hot air from the engine, muffler, etc. to escape, especially when the vehicle is stopped, and hot air tends to get trapped inside the rear cover.

[Means for Solving the Problems] In order to solve the above problems, the present invention has a floor panel for footrest, and a rear cover continuous to the floor panel covers at least the engine and supports the seat at the upper end. In the scooter type vehicle, the rear cover includes an upper surface part that is continuous to the rear of the floor panel and has an inclined surface shape that rises upward while facing the front of the vehicle, and side parts that hang down on both sides from the outer end of this upper surface part. and a lower edge of the side surface that is upwardly shaped toward the rear of the vehicle below the side surface, and an outside air introduction opening that opens toward the front of the vehicle at the outer end of the top surface of the rear cover. It is characterized by what it did.

[Function] When driving, the wind that flows along the lower surface of the floor panel continues behind it and flows along the lower surface of the upper surface of the rear cover, which has an inclined surface that rises upward while facing the front of the vehicle, and also flows along the lower surface of the upper surface of the floor panel. The wind that flows along the top surface of the rear cover also flows along the top surface of the rear cover, flows into the rear cover from the outside air introduction opening at the outside edge of the top surface, and is directed toward the rear of the vehicle by the wind that flows along the bottom surface of the floor panel. Hot air is exhausted rearward from the lower edge of the side surface of the rear cover, which has a rearward-sloping shape.

When the vehicle is stopped, the hot air inside the rear cover is discharged upward through the outside air introduction opening at the outer end of the upper surface portion of the rear cover, which has an inclined surface that rises upward while facing the front of the vehicle.

[Example] Examples will be described below based on the accompanying drawings.

In FIG. 1 showing an overall perspective view of a scooter type vehicle to which the rear cover of the present invention is applied, the basic structure of a scooter type vehicle 1 includes a head pipe 2 and a front part that hangs downward from the head pipe 2 and extends rearward from the middle part. Frame 3 and this front frame 3
It consists of a rear frame 4 with a rectangular cross section that rises rearward and upward from the rear end and extends in the direction from the middle.
The head pipe 2 and the front half of the front frame 3 are surrounded by a front cover 5 formed by fitting an outer cover 5a and an inner cover 5b, and a handle 6 is provided above the front cover 5. A box-shaped cover 7 with built-in turn signals, speedometer, etc. is attached to the center of the handle 6.
A front fork 8 is exposed from the lower part of the front cover 5, and a front wheel 9 is rotatably supported at the lower end of the front fork 8.

As is clear from FIG. 1, a floor panel 10 is installed on the rear half of the front frame 3 and has a sloped surface that rises rearward.The front end of this floor panel 10 is integrally attached to the rear end of the inner cover 5b. Continuous. Further, the rear frame 4 is surrounded by a center cover 11, and this center cover 11 has a rising part 11a constricted in the center and a rising part 1
A foot rest part 11b is provided, which is formed to have a rearwardly rising inclined surface shape extending from the front half of the lower end to the right and left sides and to the front. This foot rest part 11b
The front end is integrally continuous with the rear end of the floor panel 10 and further rises, and the center cover 11
The seat 12 is installed on the rear cover 13.

A rear cover 13 that covers the rear and lower side parts of the vehicle body is provided on both left and right sides, and the rear part includes an upper surface part 14 formed with an inclined surface shape that rises upward while facing the front of the vehicle, and an outer surface of this upper surface part 14. As is clear from FIGS. 1 and 2, the lower edge of the side surface portion 15 is formed in a rising shape toward the rear of the vehicle. The front end of the top surface part 14 is integrally continuous with the rear end of the foot rest part 11b of the center cover 11 which is continuous with the rear end of the floor panel 10, and further rises, and the side surface part 15 extends forward. It is integrally continuous with the side surface of the floor panel 10.

Above floor panel 10, center cover 11
FIG. 3 shows the disassembled state of the rear cover 13.

Furthermore, an outside air introduction opening 16 is formed below the side surface 15 of the rear cover 13, and as shown in FIG. There is.

In the upper surface portion 14 of the rear cover 13, which is formed with an inclined surface shape that rises upward while facing the front of the vehicle, an outside air introduction opening 17 according to the present invention is provided.
In other words, in the illustrated example in which the peripheral wall 17a is inwardly recessed from the outer end of the rear cover top surface portion 14 to the upper end of the side surface portion 15 as shown in FIG. 5, three outside air introduction openings 17 are formed in the front and rear. As is clear from FIG. 2, it opens toward the front of the vehicle.

Inside the rear cover 13, as shown in FIG. 2, the front end of a power unit 19 is pivotally attached to the lower rear surface of the rear frame 4, and this power unit 19 is used to transmit power to an engine 20, a chain, etc. It is formed by integrating a case 21 with a built-in mechanism, and a rear wheel 22 is rotatably supported at the rear end of the case 21. Furthermore, a muffler 23 that is tied to the rear end of the exhaust pipe led out from the engine 20 is also housed within the rear cover 13.
Further, a fuel tank 24 is arranged between the rear frame 4 and the seat 12.

The floor panel 10 and the center cover 11 are connected by a bracket 25 protruding forward from the front end of the footrest 11b of the center cover 11, as shown in FIG.
Place the rear end of the floor panel 10 on top of the floor panel 10 and fasten them together to the frame side member using bolts or the like.

The center cover 11 and the rear cover 13 are coupled to each other by inserting and engaging elastic hooks 26 projecting inwardly from the rear cover 13 into holes 27 formed in the center cover 11, as shown in FIG. .

In addition, the floor panel 10 and the rear cover 13 are connected by connecting elastic hooks 28 projecting inward from the rear cover 13 to the floor panel 10 as shown in FIG.
This is done by inserting and engaging the holes 29 formed in the skirt portion 10a.

In the specific installation of the rear cover 13 described above,
After the elastic hooks 28 are inserted into the holes 29 and pressed forward, the elastic hooks 26 are inserted and fitted into the holes 27.

Furthermore, the space between the rear ends of the left and right rear covers 13, 13 is closed by a rear panel 30 as shown in FIG.
The connection between the rear panel 30 and the rear cover 13 is as follows:
Elastic hook 3 protruding inward from rear cover 13
1. This is done by inserting and engaging holes 32 formed in the rear panel 30. Also rear cover 13
From there is a bracket 33 with a bolt insertion hole formed therein.
33 is provided protrudingly, and this bracket 33,3
3 is for fastening the rear panel 30 and the rear carrier together to the rear cover 13.

[Effects of the Invention] As described above, according to the present invention, the rear cover of a scooter type vehicle includes an upper surface portion that is continuous to the rear of the floor panel and has an inclined surface shape that rises upward while facing the front of the vehicle; A lower edge of the side surface that extends toward the rear of the vehicle below the side surface that hangs down on both sides from the outer end of the upper surface section; and an outside air introduction opening that opens toward the front of the vehicle at the outer end of the upper surface section. , which prevents the wind flowing along the bottom surface of the floor panel when driving.
At the same time, the wind flowing along the upper surface of the floor panel is also flowed along the upper surface of the upper surface of the rear cover, which has an inclined surface that rises upward while facing the front of the vehicle. The hot air flows into the rear cover from the outside air introduction opening at the outer edge of the upper surface, and is discharged rearward from the lower edge of the side of the rear cover, which is curved upward toward the rear of the vehicle by the driving wind that flows along the lower surface of the floor panel. The inside of the rear cover and the inner and outer surfaces of the rear cover can be effectively cooled.

When the vehicle is stopped, the hot air inside the rear cover can be discharged upward through the outside air introduction opening at the outer end of the upper surface, which has an inclined surface shape that rises upward while facing the front of the vehicle.

[Brief explanation of the drawing]

Figure 1 is an overall perspective view of a scooter type vehicle to which the rear cover of the present invention is applied, and Figure 2 is an arrow A in Figure 1.
-A cross-sectional view taken along line A; Figure 3 is an exploded perspective view of the covers; Figures 4 and 5 are cross-sectional views of the openings formed in the rear cover; Figures 6 and 7 are how the rear cover is fitted. FIG. 8 is a perspective view showing the attachment of the rear cover and rear panel. In the drawings, 1 is a scooter type vehicle, 10 is a floor panel, 12 is a seat, 13 is a rear cover, 1
4 is a top part, 15 is a side part, 17 is an opening for introducing outside air according to the present invention, 19 is a power unit, 20 is an engine, 21 is a case with a built-in power transmission mechanism, 2
2 is a rear wheel, and 23 is a muffler.

Claims (1)

[Claims for Utility Model Registration] In a scooter type vehicle having a floor panel for footrest, a rear cover continuous to the floor panel covering at least an engine and supporting a seat at the upper end, There is a top surface that continues behind the panel and has an inclined surface shape that rises upward while facing the front of the vehicle body, a side surface that hangs down on both sides from the outer edge of this top surface, and a side surface that extends toward the rear of the vehicle below this side surface. What is claimed is: 1. A rear cover for a scooter type vehicle, characterized in that a lower edge of a side surface is formed in a rearwardly rising shape, and an outside air introduction opening that opens toward the front of the vehicle is formed at an outer end of the upper surface portion of the rear cover.