JPH05238457A - Display plate installation structure of saddle mounting type vehicle - Google Patents

Abstract

PURPOSE:To easily install a display plate on a body even if there is a small error between the body and the display plate. CONSTITUTION:A display plate 47 is installed on the side of a body by connecting an upper part 48 of the display plate 47 to a fork upper part 40 constituting the upper part of a front fork 11 and simultaneously, by connecting a lower part 52 of the above-mentioned display plate 47 to a front fender 14 supported by the aforementioned fork upper part 40.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display plate mounting structure for mounting a display plate such as a license plate to a vehicle body in a saddle type vehicle.

[0002]

2. Description of the Related Art In competitions using a motorcycle, which is a saddle-ride type vehicle, a numbered display plate (license plate) is usually attached to a front fork constituting a vehicle body to identify the vehicle. It is being appreciated.

[0003]

By the way, the front fork supports the vehicle body via the front wheels and has sufficient rigidity. Further, the display plate also has a certain degree of rigidity in order to withstand a shock during traveling. Therefore, when the display plate is attached to the front fork, if there is a slight error between the front fork and the display plate, it is difficult to absorb the error, and therefore the display plate is complicated to install. There is a problem that is.

[0004]

SUMMARY OF THE INVENTION The present invention has been made paying attention to the above circumstances, and the display plate can be easily attached to the vehicle body even if there is some error between the vehicle body and the display plate. The purpose is to do so.

[0005]

In order to achieve the above-mentioned object, the present invention is characterized in that the upper part of the display plate is connected to the upper part of the fork constituting the upper part of the front fork, while the lower part of the display plate is same as above. Is connected to the front fender supported on the upper part of the fork.

[0006]

[Operation] The operation of the above configuration is as follows. To attach the display plate 47 to the vehicle body, the upper portion 48 of the display plate 47 is connected to the under bracket (fork upper portion) 40 that constitutes the upper portion of the front fork 11, while the lower portion 52 of the same display plate 47 is attached to the under bracket ( It can be obtained by connecting to the front fender 14 supported by the fork upper part 40. By the way, the under bracket (upper fork) 40 and the display plate 47 of the front fork 11 have high rigidity, but the front fender 14 has the front wheel 1
It covers the outer peripheral surface of 2 and acts as a mudguard, and is usually formed of a thin plate and easily elastically deformed by a small external force. Therefore, when the lower portion 52 of the display plate 47 is connected to the front fender 14, the under bracket (fork upper portion) 40 of the front fork 11, the front fender 14,
The error generated between the display plate 47 and the display plate 47 can be absorbed by deforming the front fender 14.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. In FIG. 2, reference numeral 1 is a motorcycle, which is a saddle-ride type vehicle, and an arrow Fr in the drawing indicates the front thereof. The right and left described below means the direction toward the front. The vehicle body frame 2 of the motorcycle 1 has a head pipe 3 at its front end, and one main frame 4 extends rearward and downward from the head pipe 3, and the main frame 4
A pair of left and right seat pillar tubes 5 extend downward from the rear end. On the other hand, below the main frame 4,
A down tube 6 extends rearward and downward from the head pipe 3, and a rear end of the down tube 6 and a lower end of the seat pillar tube 5 are connected to each other. Further, a pair of left and right seat rails 8 extends rearward and upward from the rear end of the main frame 4, and a back stay 9 for supporting the seat rails 8 on the seat pillar tubes 5 is provided.

A front fork 11 is rotatably supported on the head pipe 3. A front wheel 12 is supported on the lower end of the front fork 11, and a bar-type handle 13 is attached to the upper end of the front fork 11. Further, a resin-made front fender 14 that covers the outer peripheral surface of the front wheel 12 from above is provided.

On the other hand, a rear arm 16 is pivotally supported on the seat pillar tube 5 by a pivot shaft 15 so as to be vertically swingable, and a rear wheel 17 is supported on a swing end of the rear arm 16. The rear arm 16 is supported at the rear end of the main frame 4 by a shock absorber 18 and a link mechanism 19, and the shock absorber 18 and the link mechanism 19 absorb the shock received by the rear wheel 17 from the traveling surface. The rear fender 20 covers the outer peripheral surface of the rear wheel 17 from above.

An engine 21 is attached to the vehicle body frame 2 below the main frame 4, and the engine 21 has a crankcase 22 and a cylinder 23. A carburetor 24, an intake pipe 25, and an air cleaner 26 are connected to the intake port of the engine 21.
On the other hand, the exhaust pipe 28 extends forward and downward from the exhaust port of the engine 21. After that, the exhaust pipe 28 is folded back upward and the folded portion serves as an expansion pipe 29. The folded end of the expansion tube 29 extends rearward, and the silencer 30 is attached to the rear end thereof.

A fuel tank 32 is provided above the engine 21.
Is provided. This fuel tank 32 is the main frame 4
It is provided so as to straddle the
Fuel is supplied from the fuel tank 32 to the engine 21 via the carburetor 24. 33 is a radiator, and this radiator 33 cools the cooling water of the engine 21 by traveling wind.

A power transmission device 34 is continuously connected to the crankcase 22, and the power of the engine 21 is transmitted to the rear wheel 17 via the power transmission device 34 and a chain winding mechanism 35 so that the motorcycle can be driven. It becomes possible to run 1. A seat 36 is supported by the seat rail 8 and the fuel tank 32, and a rider can sit on the seat 36.

1 to 4, the front fork 11 includes a fork upper portion which is rotatably supported by the head pipe 3 and a lower fork portion which is vertically slidably fitted to a lower end of the fork upper portion. It is configured. The head pipe 3 has a steering shaft 3 rotatably about its axis.
8 are supported. An upper bracket 39 is attached to the upper end of the steering shaft 38, and the handle 13 is attached to the upper bracket 39 by a pair of support pieces 39a,
It is attached by 39a. Further, the steering shaft 3
An under bracket 40 is attached to the lower end of 8, and a pair of left and right outer tubes 41, 41 are fixed to the upper bracket 39 and the under bracket 40. These steering shaft 38, upper bracket 39, and under bracket 4
0 and each outer tube 41 constitutes the upper part of the fork. An inner tube 42 is fitted into each outer tube 41 from its lower end side so as to be slidable in the axial direction, that is, the inner tube 42 serves as the lower part of the fork, and the front fork 11 is a so-called inverted type. Then, the left and right inner tubes 4
An axle 43 is installed between the lower ends of the axles 2, 42.
The front wheel 12 is supported by the.

When the steering wheel 13 is steered, the steering shaft 38 is rotated about its axis, and the front fork 11 thus rotated enables the front wheels 12 to be steered. When the front wheel 12 receives an impact from the traveling surface during traveling, the inner tube 42 slides up and down with respect to the outer tube 41, and these tubes 4
The impact is absorbed by the spring and the pressure oil interposed between the first and the second gears 42.

In FIGS. 1, 3 and 4, the front fender 14 has an inverted U-shaped front cross section, and a front and rear halfway portion of the front fender 14 is an under bracket 40 between the left and right outer tubes 41, 41. It is detachably screwed to the lower surface of the with four bolts 45. In this case, a bead 46 extending in the front-rear direction is formed on the lower surface of the front-rear midway portion of the front fender 14 to reinforce the front fender 14, whereby the front-rear midway portion of the front fender 14 is firmly fixed to the under bracket 40. ing.

A resin display plate 47 is provided in front of the head pipe 3 and in the center of the left and right of the vehicle body.
A code such as a number for identifying a vehicle is attached to the front surface of the display plate 47 at the time of competition and is used as a license plate. The display plate 47 also functions as a front cowl. The upper portion 48 of the display plate 47 is
A supporting piece 49 integrally provided on the rear surface is provided, and the supporting piece 49 is detachably screwed to the upper bracket 39 by a bolt 50. Further, the lower part 52 of the display plate 47 has a pair of left and right locking projections 53, which are integrally provided on the lower end surface of the display plate 47. On the other hand, on the upper surface of the front fender 14, a pair of left and right locking holes 54, 54 is provided immediately before the under bracket 40.
Are formed, and the locking projections 5 are formed in the locking holes 54, 54.
3,53 are engaged and disengageably locked. The display plate 47 is attached to the vehicle body by screwing the upper portion 48 of the display plate 47 and locking the lower portion 52 of the display plate 47 as described above. The upper portion 48 of the display plate 47 is
The band 5 is attached to the reinforcing bar 56 installed on the handle 13.
7, the attachment of the display plate 47 is reinforced by this.

In the above case, the front fork 11 and the display plate 47 have high rigidity, but the front fender 14 covers the outer peripheral surface of the front wheel 12 and acts as a mudguard, and is formed of a thin plate. It is easily elastically deformed by a small external force. Therefore, in attaching the display plate 47, when the lower portion 52 is connected to the front fender 14, the front fork 1
The error generated between the front fender 14 and the display plate 47 is absorbed by deforming the front fender 14 slightly downward. Thereby, even if an error occurs between the front fork 11, the front fender 14, and the display plate 47, the display plate 47 can be easily attached. Further, since the display plate 47 is pressed against the front fender 14 by its elastic force, both of them are brought into close contact with each other to improve the construction accuracy, and the display plate 47 is prevented from rattling. In addition, 58 is a ventilation hole for traveling.

The front surface of the lower portion 52 of the display plate 47 is
Front fender 1 in front of this with a concave arc shape
4 is smoothly connected to the upper surface. The traveling wind will be smoothly guided. The lower portion 52 of the display plate 47 may be detachably screwed to the front fender 14 with a bolt.

2 and 5 to 7, a hydraulic disc brake 60 for braking the front wheels 12 is provided. The disc brake 60 includes a brake disc 61 that rotates together with the front wheel 12, and a caliper 62 that clamps the brake disc 61 by hydraulic pressure to brake the front wheel 12. In this case, a bracket 63 is projectingly provided on the rear surface of the left inner tube 42 described above, and the caliper 62 is screwed to the bracket 63 by a bolt 64. Further, a pressure oil hose 65 for feeding pressure oil to the caliper 62 is provided. One end side of the pressure oil hose 65 extends toward the handle 13 side, is supported by the band 57 and is connected to the brake lever side, and the other end side is on the front surfaces of the left outer tube 41 and the inner tube 42 described above. Along the lower end of the left inner tube 42 and the lower part of the brake disc 61, the lower part of the axle 43 is detoured around and is connected to the caliper 62.

Left and right protectors 67 are provided to cover the inner tubes 42 and the pressure oil hose 65 from the front. The front end of the lower end of each protector 67 is attached to the inner tube 42 by a pair of left and right bolts 68, 68.
Is detachably screwed to the lower front surface of the inner protector 67, and the lower end side portion of the protector 67 is detachably screwed to the lower side surface of the inner tube 42 of the same protector 67 by the bolt 69. It is fixed to the tube 42.

In the above case, the left and right bolts 68, 6 described above
The middle part of the pressure oil hose 65 is held between the inner tube 42 and the respective lower parts of the protector 67 between the eight.
The protector 67 and the bolts 68, 68 for screwing the protector 67 also serve as a clamp for the pressure oil hose 65.

[0022]

According to the present invention, when the display plate is attached to the vehicle body, the upper part of the display plate is connected to the upper part of the fork constituting the upper part of the front fork, while the lower part of the display plate is connected to the upper part of the fork. Since it can be obtained by connecting to the front fender supported by, when attaching the lower part of the display plate to the front fender, it occurs between the fork upper part of the front fork, the front fender, and the display plate. The error can be absorbed by deforming the front fender. Therefore, even if an error occurs between the fork upper part of the front fork, the front fender, and the display plate, the display plate can be easily attached.

[Brief description of drawings]

FIG. 1 is a partially enlarged partial sectional view of FIG.

FIG. 2 is an overall side view of the motorcycle.

3 is a front view of what is shown in FIG. 1. FIG.

FIG. 4 is a sectional view taken along the line 4-4 of FIG.

5 is a partially enlarged view of FIG.

FIG. 6 is a front view of what is shown in FIG.

7 is a sectional view taken along the line 7-7 of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Motorcycle (vehicle) 11 Front fork 14 Front fender 40 Under bracket (fork upper part) 42 Inner tube (fork lower part) 47 Display plate 48 Upper part 52 Lower part

Claims (1)

[Claims] 1. A front fork comprising a fork upper portion rotatably supported by a head pipe, and a fork lower portion vertically slidably fitted to a lower end of the fork upper portion and supported by the fork upper portion. A straddle-type vehicle including a front fender and a display plate such as a license plate, wherein the upper part of the display plate is connected to the upper part of the fork, while the lower part of the display plate is connected to the front fender. Display plate mounting structure.