JPH0640072Y2 - Seat mounting structure for motorcycles - Google Patents

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial field of application) The present invention relates to a seat mounting structure for a motorcycle, and in particular, a motorcycle in which a pillion seat or the like is mounted and removed well. Seat mounting structure.

(Prior Art) FIG. 6 is a side view showing an American type motorcycle. The motorcycle 1 is configured to have a cradle type vehicle body frame 3 having a head pipe 2 at the front end. The tank rail 5 and the down tube 6 of the vehicle body frame 3 are welded to the head pipe 2, and the rear of these tank rail 5 and the down tube 6 are connected by a body tube 7. The engine 8 is surrounded by the tank rail 5, the down tube 6 and the body tube 7.
Will be installed. A fuel tank 9 is placed on the tank rail 5.

The front fork 10 is rotatably supported by the head pipe 2 via a steering shaft (not shown). A bar handle 11 is supported on the upper end of the front fork 10, and a front wheel 12 is supported on the lower end of the front fork 9. A swing arm 13 is swingably supported by the body tube 7, and a rear wheel 14 is supported at the tip of the swing arm 13. The rear wheel 14 is rotationally driven by a drive chain (not shown) connected to the engine 8.

In this motorcycle 1, the seat rail 15 is formed integrally with the body tube 7, and the rider seat 16 is fixedly supported by the rear portion of the tank rail 5 and the seat rail 15. Also, the upper part of the body tube 7 and the seat rail
A rear fender 17 that covers the rear wheel 14 is fixedly supported by the 15. Pillion seat located behind the rider seat 16
The backrest portion 18 and the backrest portion 19 are fixedly supported by the rear fender 17.

Here, a mounting structure of the pillion seat 18 and the backrest portion 19 to the rear fender 17 will be described.

As shown in FIG. 8, the rear fender 17 has a fender body 20 and a reinforcement 21 fixed to the inside thereof. As shown in FIG. 9, the fender body 20 is provided with a plane-shaped pillion seat mounting seat surface 22A and a handle mounting seat surface 23A. As shown in FIG. 8, the reinforcement 21 also has the pillion seat mounting seat surface 22B and the handle mounting seat surface 23B formed along the fender body 20.

As shown in FIGS. 7 and 8, the fixing portion 24A of the pillion seat 18 is fixed to the pillion seat mounting seat surfaces 22A and 22B by the pillion seat mounting bolts 25 and nuts 26 to support the pillion seat 18. Also, the backrest
The pillion rider handle 27 that supports 19 is a mounting bolt.
It is fixed to the handle mounting surface 23A, B by the nut 28 and the nut 29.

(Problems to be solved by the invention) By the way, in today's demand for diversified motorcycles, it is required to be able to change from a double seat for two passengers to a single seat for one passenger on the same vehicle. ing. This change is to change the pillion seat 18 from the pillion seat mounting seat surfaces 22A, B to the pillion rider handle 2
This is done by removing 7 from the handle mounting seat surfaces 23A, B respectively. However, the fender body 20 of the rear fender 17 is formed with a pillion seat mounting seat surface 22A and a handle mounting seat surface 23A, which are exposed when a single seat is used, and the appearance of the rear fender 17 is impaired. .

Therefore, when changing from a double seat to a single seat, it is necessary not only to remove the pillion seat 18 and the pillion rider handle 27 but also to replace the rear fender 17 with a single seat. For this reason,
Changing from a double seat to a single seat becomes complicated.

The present invention has been made in consideration of the above facts, and provides a seat mounting structure for a motorcycle in which the appearance of the rear fender when the pillion seat and the like are removed can be improved and the seat can be easily changed. The purpose is to do.

[Constitution of device]

(Means for Solving the Problem) The present invention is directed to a rear fender that covers a rear wheel of a motorcycle and includes a fender body and a lean reinforcement fixed to the inside of the fender body. In a seat mounting structure for a motorcycle to which a seat is mounted, a through hole is formed in the fender body, a mounting seat surface is formed in the lean force, and a pillion seat mounting bolt is inserted through the through hole to mount the seat. The pillion seat is attached by being bolted to the seat surface.

(Operation) Therefore, according to the seat mounting structure of the motorcycle according to the present invention, the plane-shaped pillion seat mounting seat surface and the handle mounting seat surface are not formed on the fender body of the rear fender, and the lean inside the fender body is not formed. Since these pillion seat mounting seat surfaces etc. are formed in the force,
After removing the pillion seat, these pillion seat mounting seat surfaces are not exposed, and the appearance of the rear fender can be improved. Therefore, it is not necessary to remove the rear fender when changing from a double seat to a single seat.

(Embodiment) An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a sectional view showing an embodiment of a seat mounting structure for a motorcycle according to the present invention. In this embodiment, the same parts as those in the conventional example are designated by the same reference numerals and the description thereof is omitted.

As shown in FIG. 1, the rear fender 31 is a fender body.
32 and lean reinforcement 33. The lean reinforcement 33 is fixed to the inside of the fender body 32 by rivets or the like, except for both longitudinal end portions of the fender body 32. The rear fender 31 is fixed to the body tube 7 via the bridge 34 and directly to the seat rail 15 with bolts 35.

The pillion seat 18 located behind the rider seat 16
A cushion material 37 is placed on the bottom plate 36, and the side surface of the bottom plate 36 and the cushion material 37 are covered with a skin 38. The rider seat 16 is similarly configured. The bottom plate 36 of the pillion seat 18 is provided with a locking portion 24B on the front side of the vehicle and a fixing portion 24A on the rear side of the vehicle.

Further, the fender body 32 of the rear fender 31 is provided with a seat through hole 39 and a handle through hole 40 as shown in FIGS. 2 and 3. Through hole for handle
40 are formed on both sides of the sheet through hole 39. Further, in the lean reinforcement 33 of the rear fender 31, planar pillion seat mounting seat surfaces 22B and handle mounting seat surfaces 23B are formed at positions corresponding to the seat through holes 39 and the handle through holes 40, respectively. Further, a fitting portion 41 is formed on the fender body 32 as shown in FIG. The fitting portion 41 has a U-shaped cross section and is provided at a position hidden behind the rider seat 16.

Now, when mounting the pillion seat 18, the locking portion 24B is attached to the fitting portion 4
Start by mating with 1 and positioning. Next, as shown in FIG. 2, the sheet spacer 42 is loosely fitted in the sheet through hole 39. Thus, the pillion seat mounting bolt 43 is inserted through the fixing portion 24A, the seat spacer 42 and the pillion seat mounting seat surface 22B, and the nut 44 is tightened. As a result, the pillion seat 18 passes through the fixing portion 24A and the seat spacer 42, and the lean force is applied.
It is fixed to the pillion seat mounting seat surface 22B of 33.

Similarly, the handle spacer is inserted into the handle insertion hole 40.
45 is loosely fitted, the handle mounting bolt 47 is inserted through the bottom portion 46 of the pillion rider handle 27, the handle spacer 45 and the handle mounting seat surface 23B, and the nut 48 is tightened. As a result, the pillion rider handle 27 is fixed to the handle mounting seat surface 23B of the lean reinforcement 33 via the handle mounting bolt 47.

According to the above-described embodiment, the pillion seat mounting seat surface 22B for mounting the pillion seat 18 and the pillion rider handle 27 is provided.
And the handle mounting seat surface 23B are provided only on the lean reinforcement 33 of the rear fender 31, and the fender body 32
The outer surface of the fender body 32 is molded into a smooth shape without unevenness, so that when the pillion seat 18 is removed and replaced with a single seat, the appearance of the motorcycle is excellent. Become.

In this way, even if the rider seat 16 and the pillion seat 18 are both placed on the double seat, and the pillion seat 18 is removed to make a single seat vehicle, the rear fender 31 has an excellent appearance.
It is not necessary to replace the rear fender 31 with the removal of 18. Therefore, it is possible to easily change the double seat to the single seat.

FIG. 4 is a half sectional view of a rear fender showing a first modification of the above embodiment. In the above-mentioned embodiment, the handle spacer 45 is interposed between the bottom portion 46 of the pillion rider handle 27 and the handle mounting seat surface 23B, but in the first modification, the stepped bolt 51 is replaced by the pillion rider. This stepped bolt 51 is formed integrally with the bottom 46 of the handle 27.
Is brought into contact with the handle mounting seat surface 23B, and the pillion rider handle 27 is bolted using the nut 48.

Further, FIG. 5 (A) is a half sectional view of a rear fender showing a second modification of the above embodiment. In this second modified example, a stepped bolt 52 having threaded portions 13 formed at both ends as shown in FIG. 5 (B) is used, and the stepped bolt 52 is used for the bottom portion 46 of the pillion rider handle 27 and the handle mounting seat. The pillion rider handle 27 is fixed to the handle mounting seat surface 23B by interposing it with the surface 23B and tightening both ends with nuts 48. In both of these modified examples, the same effect as that of the above-described embodiment can be obtained. In both modified examples, the same parts as those in the above embodiment are designated by the same reference numerals.

[Effect of device]

As described above, according to the seat mounting structure of the motorcycle according to the present invention, the through hole is formed in the fender body of the rear fender, the mounting seat surface is formed in the lean force of the rear fender, and the pillion seat mounting bolt is formed. Since the pillion seat is attached by bolting to the mounting seat surface through the through hole, a flat mounting seat surface is not formed on the fender body of the rear fender, so the rear fender when the pillion seat etc. is removed. The appearance of can be improved. In this way, the appearance of the rear fender is good even from the state of the double seat with the pillion seat attached to the state of the single seat with the pillion seat removed, so the rear fender is replaced when changing from the double seat to the single seat. There is no need to change the seat easily.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of a seat mounting structure for a motorcycle according to the present invention, FIG. 2 is a sectional view taken along the line II-II in FIG. 1, and FIGS. B) is a plan view and a side view, respectively, of the rear fender in the embodiment of FIG. 1, FIG. 4 is a half sectional view of the rear fender showing a first modification of the embodiment of FIG. 1, and FIG. FIG. 5B is a half sectional view of a rear fender showing a second modification of the embodiment shown in FIG.
Is a side view showing a stepped bolt used in the second modified example, FIG. 6 is a side view showing an American type motorcycle, and FIG. 7 is a side view showing a conventional seat mounting structure in the motorcycle. 8 is a sectional view taken along the line VIII-VIII in FIG.
9 (A) and 9 (B) are a plan view and a side view showing the rear fender of FIG. 7, respectively. 1 ... Motorcycle, 18 ... Pillion seat, 22B ... Pillion seat mounting seat surface, 23B ... Handle mounting seat surface, 27 ... Pillion rider handle, 31 ... Rear fender, 32 ... Fender body, 33 ... Lean force, 39 ... Seat through hole, 40 ... Handle through hole, 42 ... Seat spacer, 43
… Pillion seat mounting bolts, 45… Handle spacers, 47… Handle mounting bolts.

Claims (1)

[Scope of utility model registration request] A rear fender for covering a rear wheel of a motorcycle comprises a fender body and a lean force fixed to the inside of the fender body, and a pillion seat is attached to the rear fender. In the seat mounting structure, a through hole is formed in the fenter body, a mounting seat surface is formed in the lean force, and a pillion seat mounting bolt is inserted through the through hole and bolted to the mounting seat surface. A seat mounting structure for a motorcycle, wherein the pillion seat is mounted.