JPH04159189A - Fuel tank lid device for motorcycle - Google Patents

Abstract

PURPOSE:To dispense with a reinforcing rib for the stable fitting of a fuel lid locking device so as to simplify structure by connecting the fuel lid locking device, provided inside a rear cowling, to a seat locking device through a lid locking cable. CONSTITUTION:A side cover 8 forming the rear cowling of a scooter type vehicle is provided with an oil filling opening 11 formed in a position facing the oil filler port of a fuel tank, and this opening 11 is closably covered with a fuel lid 12. The lock pin 29 of a fuel lid locking device 28 is engaged with the lock hole 30 of an engaging hook 26 on a fitting boss 25 erected on the other side, opposite to a hinge device 14, of the fuel lid 12. This locking device 28 is fixed to plural fitting bosses 32 erected on the rear inner side of the side cover 8, and the link mechanism 35, rotatable around a pivot A, of this locking device 28 is connected, through a lid locking cable 40, to the lid lock arm 42 of a cylinder lock 41 forming a seat locking device.

Description

[Detailed description of the invention] [Object of the invention] (Industrial application field)
The present invention relates to a fuel tank lid device for a wheeled vehicle, and particularly to a fuel tank lid device for a scooter type vehicle.

(Prior Art) A conventional scooter type vehicle has a fuel filler port for refueling a fuel tank below the seat, and the fuel tank is refilled by opening the seat.

Furthermore, as the wearing of helmets has recently become compulsory, many scooter-type vehicles are equipped with a storage compartment for storing a helmet below the seat. By providing this article storage chamber under the seat, the fuel tank is shifted to the rear of the article storage chamber and is installed inside the seat tail cover behind the seat that constitutes the rear cowling.

The latter scooter type vehicle has a
An opening facing the fuel tank refilling port is provided, and a fuel lid (refueling lid) is provided in this opening so that it can be opened and closed, and refueling is made possible by opening the fuel lid.

(Problem to be Solved by the Invention) In a conventional scooter type vehicle, a fuel lid is provided in a refueling opening provided at the top of the seat tail cover at the rear of the seat and can be opened and closed freely, and a fuel lid lock device is attached to the fuel lid itself. ing.

However, in order to attach the fuel lid lock device independently to the fuel lid, the fuel lid requires a large rigidity for stable attachment of the fuel lid lock device, and the back side of the lid must be reinforced with a plurality of reinforcing ribs. For this reason, the structure of the fuel lid itself becomes complicated, whiskers and nests are likely to occur during the manufacturing of the fuel lid, which reduces yield, increases mold costs for manufacturing the lid, and makes it difficult to reduce weight and cost. Met.

This invention was made in consideration of the above-mentioned circumstances, and is a fuel tank lid for motorcycles that simplifies the fuel lid, improves yield, and reduces weight and cost by reducing mold costs for the fuel lid. The purpose is to provide equipment.

Another object of the present invention is to eliminate the need for mounting a separate lid lock assembly on the fuel lid, create a structure that makes the lid lock assembly less susceptible to theft and tampering, and enable the seat lock assembly to open and close the fuel lid. To provide car fuel tank lid equipment.

[Structure of the invention]

(Means for Solving the Problems) In order to solve the above-mentioned problems, the fuel tank lid device for a motorcycle according to the present invention is provided with a fuel lid that covers the refueling opening of the rear cowling in an openable and closable manner. A fuel lid lock device is provided inside the rear cowling to lock the fuel lid in a closed state, and the fuel lid lock device is connected to a seat lock device via a lid lock cable, and the seat lock device locks the seat provided above the article storage compartment. and the fuel lid is set to be selectively openable.

(Function) This fuel tank lid device for a two-wheeled motor vehicle does not require a separate fuel lid lock device due to the fuel lid, so there is no need for a reinforcing rib to stably attach the fuel lid lock device to the fuel lid. Simplify the structure
In addition to being able to reduce weight, the mold cost for manufacturing the fuel lid is also reduced, and costs can be reduced.

In addition, there is no need to provide an independent fuel lid lock device on the fuel lid, and the fuel lid lock device is provided inside the rear cowling such as the side cover, so it is not exposed to the outside and has a structure that is less susceptible to theft and tampering. I can do it.

Furthermore, a fuel lid lock device that locks the fuel lid so that it can be opened and closed is connected to the seat lock device via a lid lock cable, and the seat lock device can be operated to selectively open the seat and the fuel lid. This allows you to centrally manage the opening and closing operations of the seat and fuel lid in one place.
Opening and closing operations can be performed smoothly and without any trouble.

(Example) Hereinafter, a fuel tank lid device for a motorcycle according to the present invention will be described with reference to the accompanying drawings.

FIG. 2 illustrates a scooter type vehicle as a two-wheeled motor vehicle equipped with the fuel tank lid device of the present invention. In this scooter type vehicle, a seat 3 is provided on a rear body 2 of a vehicle body 1 so as to be openable and closable, and an article storage chamber 5 for storing a helmet 4 and the like is provided below the seat 3.

An oil tank 6 and a fuel tank 7 are housed at the rear of the article storage chamber 5.

Further, a side cover 8 is provided on the rear body 2 of the vehicle body 1 as a first side cover 8.
As shown in Figures 3 to 3, it is attached so that it can be divided into left and right halves, forming the rear cowling of a scooter type vehicle. The fuel tank 7 is housed within this side cover 8, and a carrier 9 is provided above it. The carrier 9 is fixed to the rear body 2 of the vehicle body 1 to maintain its strength.

A refueling opening 11 is formed in the side cover 8 at a position facing the refueling port 10 of the fuel tank 7, as shown in FIGS. 1 and 3, and this opening 11 is covered by a fuel lid 12. As shown in FIGS. 3 and 4, the fuel opening 11 of the side cover 8 is provided at a curved position extending from the side 8a to the rear 8b and top 8c of the side cover 8, and a fuel lid 12 that covers this opening 11 is provided. is smoothly curved so as to be substantially flush with the curved surface of the side cover 8 when the lid is closed. By curve-molding the fuel lid 12, the fuel lid 1
2 is given rigidity and reinforced for strength. Therefore, sufficient strength can be maintained without actively providing reinforcing ribs on the fuel lid 12, and the thickness of the fuel lid 12 can be reduced accordingly to save material.

Further, the fuel lid 12 is provided so as to be openable and closable by a lid hinge device 14, as shown in FIGS. 1, 4, and 5. In the lid hinge device 14, a lid hinge 16 is fixed to a bridge member 15 fixedly installed so as to straddle one side (front side) of the opening 11 of the side cover 8 from the inside, and one side (front side) of the fuel lid 12 is hinged to this lid hinge 16. be combined. The bridge member 15 is a lid bracket 1 fixed to the inside of the side cover 8.
Reinforced by 7.

A spring seat 18 is attached to the central portion of one side (front side) of the fuel lid 12, and a release spring 19 such as a leaf spring is attached to this spring seat 18. The opening spring 19 constantly biases the fuel lid 12 toward the opening side.

Further, a pair of attachment bosses 20 are integrally provided on both sides of the hinge joint portion of the fuel lid 12, and a seal plate 21 formed of an elastic material such as rubber is fixed to the attachment bosses 20.

This seal plate 21 covers the gap 23 between the opening 11 of the side cover 8 and the fuel lid 12 from the inside of the side cover 8, thereby blindfolding the gap 23 between the opening 11 and the fuel lid 12. This seal plate 21 can improve the appearance of the part where the fuel lid 12 is attached.

Further, on the other side of the fuel lid 12, a pair of attachment bosses 25 are provided in series with reinforcing ribs 25a and are erected from the inside, and an engagement hook 26 is fixed to the attachment bosses 25. A locking hole 30 is bored in the free end side of the engagement hook 26 and is engaged with and locked with the lock pin 29 of the fuel lid lock device 28 . Fuel lid lock device 2
8 forms a lid lock assembly of the fuel lid 12.

The fuel lid lock device 28 includes a lid lock bracket 33 fixed to a plurality of attachment bosses 32 erected inside the rear part of the side cover 8, and a lid opener assembly 34 attached to the lid lock bracket 33.
The lid opener assembly 34 has a link mechanism 35 that is rotatable around the support shaft A, and the link mechanism 35 is connected to the lock pin 29.
The lock pin 29 is moved forward and backward by the rocking of the link lever 36. The link lever 36 is always biased by a spring (not shown) toward the locked position in which the lock pin 29 is protruded. Further, a U-shaped guide bracket 38 is integrally or integrally attached to the lid lock bracket 33, and the guide bracket 38 guides the engagement hook 26 fixed to the fuel lid 12, so that the engagement hook 26 is locked. This prevents it from coming off at times.

Also, the link mechanism 3 of the fuel lid lock device 28
5 is the lid lock cable 4 shown in FIGS. 1 and 7.
Cylinder lock 41 that constitutes a seat lock device through 0
It is connected to the lid lock arm 42 of. In the lid lock cable 4o, an inner cable 45 is slidably accommodated in an outer casing 44. A casing cap 46 is attached to both ends of the outer casing 44, and the casing cap 46 is attached to the fixed casing 34a of the rad opener assembly 34 and the cylinder lock 4.
It is attached to the fixed bracket 47 of No. 1.

On the other hand, the outer casing 4 of the lid lock cable 40
An inch cable 45 protruding to both sides from 4 has a bulging end 48 fixed at its tip, and this bulging end 48 engages with the lid lock arm 42 of the cylinder lock 41 and the link lever 36 of the lid opener assembly 28. .

Incidentally, the cylinder lock 41 is attached to the rear body 2 of the vehicle body 1, and its head portion 41a is exposed to the outside from the side cover 8 as shown in FIG. Cylinder lock 41
The engine has an internal structure shown in FIG. 9, and includes a seat lock arm (lock claw) 51 and a lid lock arm 42 that are rotatably supported within a cylinder body 50. Both arms 51, 42 are disposed on a common axis and are always biased toward the lock position by lock springs 53, 54, respectively.

Of these, the seat lock arm 51 is an engagement member (not shown) such as an engagement hook fixed to the rear part of the seat that is opened and closed.
The opening/closing of the seat 3 is regulated in a detachable manner.

When opening the seat 3, insert the key 56 (see FIG. 1) into the lock hole 55 of the cylinder lock 41, and move the key 56 counterclockwise at a predetermined angle θ1 in FIG.
For example, when the seat lock lever 51 is rotated by about 35 degrees, the seat lock lever 51 swings from the lock position shown by a solid line in FIG. 11 to the open position shown by a broken line via the tumbler 57, thereby releasing the lock of the engaging member. Thereby, the seat 3 is released and can be opened. After the seat 3 is released, the key 56 is automatically restored to its original position by the spring force of the lock spring 53.

In addition, a tumbler 57 is always biased toward the button out side by a button out spring 58 in the cylinder block 50 of the cylinder lock 41, and by inserting and pushing the key 56, the tumbler 58 is pressed and moved. 56 is connected to the lid lock arm 42 side via a tumbler 57.

In this state, when the key 56 is turned clockwise by a predetermined angle θ2, for example, about 35 degrees in FIG. 10, the lid lock arm 42 swings from the locked position shown in solid lines to the released position shown in broken lines in FIG. This rocking force is transmitted to the link mechanism 35 of the lid opener assembly 34 via the lid lock cable 40, and the link lever 36 is
the lock pin 29 from the lock position to the sixth position.
Retract to the release position shown by the dashed line in the figure.

When the lock pin 29 retreats to the release position, the fuel lid lock device 28 is opened, and the fuel lid 12 is opened by the spring action of the release spring 19.
Refueling becomes possible.

When the key 56 of the cylinder lock 41 is released, the tumbler 57 is automatically restored by the return spring 54 attached to the lid lock arm 42 and returned to its original position by the spring force of the bush-out spring 58. At that time, the link lever 36 of the lid opener assembly 34
is automatically restored by the spring force of a lock spring (not shown), while the lock pin 29 is automatically set to the lock position side.

In this fuel tongue lid device for a two-wheeled motor vehicle, the fuel lid 12 is attached to the side cover 8 using one cylinder lock 41 that locks the seat.
It can also be opened and closed. At this time, since the fuel lid 12 is attached to the rear side of the side cover 8, the fuel lid 12 can be opened and closed freely regardless of the size of the luggage loaded on the carrier 9.

Note that the oil tank 6 can be refilled by opening the seat 3.

In addition, in one embodiment, the fuel lid and the seat are selectively opened by rotating the cylinder lock as a seat lock device clockwise and counterclockwise, but the cylinder lock is multi-stage, and each The seats and the lid may be selectively opened at the stages.

〔Effect of the invention〕

As described above, in the fuel tank lid device for a motorcycle according to the present invention, there is no need to attach the fuel lid lock device to the fuel lid, so there is no need for a reinforcing rib for stable attachment of the fuel lid lock device. Accordingly, the structure of the fuel lid is simplified, the weight can be reduced, and costs can be reduced.

Furthermore, since the fuel lid lock device is provided inside the rear cowling such as the side cover, it is not exposed to the outside, resulting in a structure that is less susceptible to theft or tampering.

Furthermore, the fuel lid lock device is connected to the seat lock device via a Radlock cable, and the seat lock device can be operated to selectively open and close the seat cover and fuel lid, allowing central control of opening and closing of the seat and fuel lid from one location. The more frequently the opening and closing operations are performed, the less troublesome and smooth the opening and closing operations become.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an embodiment of a fuel tank lid device for a motorcycle according to the present invention, and FIG. 2 is a schematic overall view of a motorcycle equipped with the fuel tank lid device of the present invention. 3 is a perspective view showing a side cover equipped with a fuel tank lid device of the present invention, and FIG.
The figure is an enlarged view showing the installation state of the fuel tank lid device attached to the side cover, Figure 5 is an exploded view of the device parts of the fuel tank lid device of a motorcycle, and Figure 6 is the above-mentioned fuel tank. A seventh perspective view showing the fuel lid lock device assembled to the lid device.
The figure shows a lid lock cable provided in the fuel lid lock device, FIG. 8 is an overall view of a cylinder lock for operating the fuel lid lock device, and FIG.
The figure is a longitudinal sectional view of the cylinder lock, Figure 10 is a view of the cylinder lock seen from the head side, Figure 11 is a diagram showing the seat lock mechanism of the cylinder lock, and Figure 12 is a diagram showing the cylinder lock glue rad lock mechanism. It is a diagram. 1...Vehicle body, 2...Rear body, 3...Seat. 5... Goods storage room, 6... Oil tank, 7...
Fuel tank, 8... Side cover (rear cowling), 8a... Side, 8b... Rear, 8C... Upper, 9 Carrier, 10... Fuel filler port, 11... Side cover opening , 12... Fuel lid, 14... Lid hinge device, 16... Lid hinge, 18...
Opening spring, 21... Seal plate, 26...
- Engagement hook, 28... Fuel lid lock device, 29... Lock pin, 33... Lid lock bracket, 34... Lid opener assembly, 35
...Link mechanism, 38...Guide bracket, 40
...Lid lock cable, 41...Cylinder lock (
seat lock device), 42...lid lock arm,
51...Seat lock arm, 53.54...Lock spring, 56...Key. ρ $ 6 times tea 8 figure $ 9 ro, 勺$ ll figure prefecture 72 figure

Claims (1)

[Claims] A fuel lid is provided to cover the fuel supply opening of the rear cowling so as to be openable and closable, and a fuel lid locking device for locking the fuel lid in a closed state is provided inside the rear cowling, and the fuel lid locking device is connected to the seat lock via a lid lock cable. 1. A fuel tank lid device for a two-wheeled motor vehicle, characterized in that the fuel tank lid device is connected to a fuel tank lid device for a two-wheeled motor vehicle, and is configured such that a seat provided above an article storage chamber and the fuel lid can be selectively opened by the seat lock device.