JP3610760B2 - Fuel lid device for scooter type vehicle - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a fuel lid device for a scooter type vehicle.
[0002]
[Prior art]
In general, a scooter type vehicle has a vehicle body cover between a driving seat and a handlebar that is formed in a substantially U-shape downwardly to form a leg shield cover on the front side of the bay portion, and from the lower end to the rear. Step board for occupant's foot is formed. In recent years, with the increase in size of scooter type vehicles, there are fuel tanks that are arranged in the bay entrance of the lower part of the leg shield cover and in the body cover where the step board is formed.
[0003]
In the case of the fuel tank arrangement position described above, the position of the fuel filler opening inevitably becomes a bay portion on the vehicle body cover. The fuel filler opening is usually covered with a fuel lid that can be opened and closed via a hinge.
[0004]
Examples of the installation of the fuel lid and its hinge include a fuel lid placed on the front side of the bay entrance, a hinge placed on the rear side so that the fuel lid opens to the driver's seat side, and a fuel lid placed on the back side of the bay entrance However, there is one in which the fuel lid is opened to the handlebar side by arranging the hinge on the front side thereof. In either case, the fuel lid is kept open by its own weight. In some cases, the fuel lid can be locked, and in that case, a locking device is generally provided on the fuel lid side.
[0005]
[Problems to be solved by the invention]
However, in the above installation examples of the fuel lid and its hinge, when a locking device is provided, the fuel lid is often opened and closed with the key inserted, and it opens and closes depending on the strength of the hinge, its rigidity, and space. The angle cannot be taken large.
[0006]
When refueling, if the fuel lid is placed on the front side of the bay entrance, the fuel nozzle is placed between the leg shield cover and the fuel lid.If the fuel lid is placed on the rear side of the bay entrance, the fuel nozzle is placed between the operating seat and the fuel lid. In any case, the fuel lid becomes a hindrance during refueling, and the degree of freedom of the refueling nozzle insertion position is small.
[0007]
In view of this, a method of providing a hinge rotation center on either the left or right side of the fuel filler opening and opening and closing the fuel lid in the lateral direction is also conceivable, but there is a problem that the fueling direction is limited to one side of the vehicle body.
[0008]
The present invention has been made in consideration of the above-described circumstances, and an object of the present invention is to provide a fuel lid device for a scooter type vehicle that facilitates refueling work by providing a degree of freedom in the direction of inserting a refueling nozzle during fuel refueling. And
[0009]
[Means for Solving the Problems]
In order to solve the above-described problem, a fuel lid device for a scooter type vehicle according to the present invention covers a periphery of a vehicle body frame with a vehicle body cover as described in claim 1, and an operation seat and a handle bar of the vehicle body cover are provided. In the scooter type vehicle in which a bay entry part is formed in a substantially U shape below and a leg shield cover is formed on the front side of the bay entry part, a fuel tank is disposed in the body cover of the bay entry part. In addition, an opening accessible to the fuel tank filling port is formed on the upper surface of the leg shield cover provided on the front side of the bay entrance and covered with a fuel lid, while an accessory storage chamber is provided on the upper front side of the fuel lid. small storage room the front fuel lid provided in the upward pivoted through the hinge boss provided on the body cover Thereby enabling opening operation forward and upward toward the open spring member for holding the normally open condition the fuel lid but on the the boss.
[0010]
Further, in order to solve the above problems, as described in claim 2, in which a lockable to the fuel lid by arranging the locking device on the body cover of the rear said opening.
[0011]
Furthermore, in order to solve the above-described problems, as described in claim 3, the spring member for opening the fuel lid is a torsion bar spring.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0013]
FIG. 1 is a left side view showing an example of a scooter type vehicle to which the present invention is applied. As shown in FIG. 1, the scooter type vehicle 1 has a body frame 2, which includes a pair of upper and lower down tubes 3 and a pair of left and right rear tubes extending rearward from the rear end sides of the down tubes 3. Frame 4.
[0014]
A head pipe 5 is provided at the front end of the down tube 3. The head pipe 5 is provided with a front fork 7 and a handle bar 8 which rotatably support the front wheel 6, and the front wheel 6 is steered to the left and right by the handle bar 8.
[0015]
An article storage chamber 9 that can store a helmet or the like (not shown) is provided above the rear frame 4. An operation seat 10 that also serves as a lid of the article storage chamber 9 is installed above the article storage chamber 9 so as to be freely opened and closed. The vehicle body frame 2 is covered with a vehicle body cover 11 that is, for example, a synthetic resin molded product.
[0016]
The vehicle body cover 11 between the driving seat 10 and the handlebar 8 is formed in a substantially U shape in the downward direction to form a bay entry portion 12, and a leg shield cover 13 is formed on the front side of the bay entry portion 12. A passenger's footrest step board 14 is formed rearward from the lower end portion. And the fuel tank 15 is arrange | positioned in the intrusion part 12 of the vehicle body cover 11 in which the lower part of the leg shield cover 13 and the step board 14 were formed.
[0017]
For example, a pivot shaft 16 is installed at a joint portion between the down tube 3 and the rear frame 4 of the vehicle body frame 2, and a front upper portion of the unit swing type engine 17 is pivotally attached to the pivot shaft 16. The unit swing type engine 17 includes an engine body 18 and a conductive case 19 extending rearward from one side of the engine body 18. The conductive case 19 also serves as a swing arm, and is elastically supported by the vehicle body frame 2 by a rear shock absorber 20 provided at the lower center of the down tube 3, for example. A rear wheel 21 as a driving wheel is held at the rear end of the conduction case 19.
[0018]
An engine exhaust system (not shown) and an engine intake system 22 are connected to the engine body 18. The engine intake system 22 is disposed, for example, in front of the engine body 18 and swings integrally with the unit swing type engine 17. .
[0019]
FIG. 2 is an enlarged left side view of the bay portion 12 formed in the vehicle body cover 11, and FIG. 3 is a cross-sectional view taken along the vehicle traveling direction axis of FIG. As shown in FIGS. 2 and 3, an opening 24 is formed on the upper surface of the leg shield cover 13 provided on the front side of the bay portion 12 of the vehicle body cover 11 so as to access the fuel filler 23 of the fuel tank 15. 24 is covered with a fuel lid 25. An accessory storage chamber 26 is provided above the fuel lid 25.
[0020]
The front side of the fuel lid 25, that is, the handlebar 8 side, is pivotally attached to a boss 28 provided on the vehicle body cover 11 via a hinge 27, and is opened toward the front upper side. Further, the boss 28 is provided with an opening spring member 29, in the present embodiment, a torsion bar spring 29, and the fuel lid 25 is always kept open.
[0021]
Further, a lock device 30 is provided in the periphery of the opening 24, for example, on the rear body cover 11, and the lock pin 31 of the lock device 30 is engaged with an engagement portion 32 formed on the back surface of the fuel lid 25, whereby the fuel lid. 25 can be locked.
[0022]
Next, the operation of this embodiment will be described.
[0023]
The fuel lid 25 is provided on the front side of the bay portion 12 of the vehicle body cover 11 and the rotation center of the hinge 27 is provided on the front side of the fuel lid 25 so as to open toward the front upper side. The degree of freedom of the insertion position is increased.
[0024]
In addition, since the fuel lid 25 is always kept open by using the release spring member 29 on the boss 28 to which the hinge 27 is attached, the fuel lid 25 is automatically opened when the lock device 30 is released, and the fuel lid 25 is opened. Since it is only necessary to lightly press with a finger when closing, the opening / closing operability of the fuel lid 25 is improved.
[0025]
Further, the locking device 30 is not provided on the fuel lid 25 side as in the prior art, but is provided on the vehicle body cover 11 side behind the opening 24 of the fuel filler port 23, whereby the fuel lid 25 is reduced in weight and the torsion bar described above. The spring 29 can be used as the opening spring member 29, and the opening spring member 29 can be downsized.
[0026]
If the torsion bar spring 29 can be used as the opening spring member 29, the space efficiency around the boss 28 is improved, and the capacity of the accessory storage chamber 26 provided above the fuel lid 25 can be sufficiently secured. In addition, it is possible to secure a sufficient installation place for the hinge for lid (not shown) of the accessory storage chamber 26. When the weight of the fuel lid 25 is heavy, although not shown in detail, an auxiliary torsion spring or the like may be used in combination with the torsion bar spring.
[0027]
【The invention's effect】
As described above, according to the fuel lid device for a scooter type vehicle according to the present invention, the vehicle body frame is covered with the vehicle body cover, and substantially U-shaped downward between the driving seat of the vehicle body cover and the handlebar. In a scooter type vehicle which forms a bay entry part and a leg shield cover is formed on the front side of the bay entry part, a fuel tank is disposed in the body cover of the bay entry part and is provided on the front side of the bay entry part. The upper surface of the leg shield cover is formed with an opening accessible to the fuel tank filler opening and covered with a fuel lid, while an accessory storage chamber is provided above the front side of the fuel lid. boss opening operably upward front toward the small storage chamber provided in the upward pivoted via hinges Rutotomoni, since the opening spring member for holding the normally open condition the fuel lid is provided on the boss, with the freedom of the fueling nozzle insertion position increases, thereby improving the opening and closing operation of the fuel lid.
[0028]
Moreover, due to the lockable to the fuel lid by arranging the locking device on the body cover of the rear above the opening, the fuel lid is lighter, more compact open spring member can be realized, the opening spring of the fuel lid Since the member is a torsion bar spring, the space efficiency around the boss is improved.
[Brief description of the drawings]
FIG. 1 is a left side view of a scooter type vehicle showing an embodiment of a fuel lid device for a scooter type vehicle according to the present invention.
FIG. 2 is an enlarged left side view of a bay entrance formed in a vehicle body cover.
3 is a cross-sectional view taken along the vehicle traveling direction axis in FIG. 2;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Scooter type vehicle 2 Body frame 11 Body cover 12 Bay entry part 13 Leg shield cover 15 Fuel tank 24 Opening part 25 Fuel lid 27 Hinge 28 Boss 29 Torsion bar spring (spring member for opening)
30 Locking device

Claims (3)

Cover around the body frame with the body cover, and form a bay-entry part that is generally U-shaped in the lower part between the driving seat and handlebar of this body cover , and a leg shield cover on the front side of the bay-entry part In the formed scooter type vehicle, a fuel tank is disposed in the vehicle body cover of the bay entry portion, and an opening accessible to the fuel filler opening of the fuel tank is provided on the upper surface of the leg shield cover provided on the front side of the bay entry portion. while covering formed by at fuel lid, a small storage chamber provided above the front side of the fuel lid, small storage room the front side of the fuel lid is provided on the upward pivoted through the hinge boss provided on the body cover thereby enabling opening operation forward and upward toward, the boss open spring member for holding the normally open condition the fuel lid Fuel lid device for scooter type vehicle, characterized by comprising. The fuel lid device for a scooter type vehicle according to claim 1, wherein a lock device is disposed on the vehicle body cover at the rear of the opening so that the fuel lid can be locked. The fuel lid device for a scooter type vehicle according to claim 1 or 2, wherein the spring member for opening the fuel lid is a torsion bar spring.

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