CN100450861C - Structure of automatic center wheel vehicle luggage case and fuel tank - Google Patents

Abstract

The purpose of this invention is to provide a storage box and fuel tank structure of a motorcycle capable of miniaturizing and lightening a storage box and simplifying its shape and protecting an outside projected part of a fuel tank. A fuel pump 72 is mounted on a pump mounting surface 77 provided on an upper surface 76 of the fuel tank 14 and an upper part of this fuel pump 72 is covered with a hood part 71 extended backward from the rear part of the storage box 13 in the motorcycle provided with the storage box 13 below a seat and provided with the fuel tank 14 in the rear of this storage box 13.

Description

Arrangement Structure of Trunk and Fuel Tank of Motorized Two-wheeled Vehicle

technical field

The present invention relates to an arrangement structure of a trunk and a fuel tank of a motorcycle.

Background technique

As a conventional trunk and fuel tank structure of a motorcycle, it is known to attach a trunk to a vehicle frame and a fuel tank disposed behind the trunk (for example, see Patent Document 1).

Patent Document 1: Japanese Patent Application Laid-Open No. 10-167143

In Patent Document 1, as shown in FIG. 3 of the same publication, on the frame 1 of the two-wheeled vehicle (for the reference numerals, the reference numerals described in the same publication are still used), a luggage case 14 is installed and arranged behind the luggage case 14. The fuel tank 15 is covered above the fuel tank 15 by an auxiliary engine cover 25 integrally arranged at the rear portion of the trunk 14 . In addition, 22 is a seat provided above the trunk 14 and the fuel tank 15 so as to be freely openable and closable.

In addition, in Patent Document 1, as shown in FIG. 8 of the same publication, an auxiliary engine cover 25 covering substantially the entire fuel tank top is integrally provided at the rear of the trunk 14 . In addition, 23 is a hinge provided at the front of the trunk 14 for freely opening and closing the seat, and 32 is a hinge provided on the auxiliary cover 25 to penetrate the striker (not shown) provided at the rear of the seat. The through hole 27 opened at the front is a cover hole for the cover that closes the fuel supply port of the fuel tank 15 to protrude outward.

Contents of the invention

Since the auxiliary engine cover 25 covers substantially the entire upper part of the fuel tank 15 , its area becomes larger, and the trunk 14 and the auxiliary engine cover 25 as a whole become larger and heavier.

In addition, since the through hole 32 through which the striking plate penetrates and the cover hole 27 through which the cover protrudes are opened, the shape of the auxiliary machine cover 25 becomes complicated.

In addition, when the fuel tank 15 has, for example, a container built-in type fuel pump, the mounting portion of the fuel tank 15 of the fuel pump protrudes to the outside (a connection portion of a fuel pipe, a connector for energizing the fuel pump, etc.), so that This part can be protected.

It is an object of the present invention to realize downsizing, lightening and simplification of the shape of the trunk and to protect the protruding portion of the fuel pump in the trunk and fuel tank structure of the motorcycle.

In the invention according to Claim 1, in an automatic two-wheeled vehicle having a luggage compartment under the vehicle seat and a fuel tank behind the luggage compartment, it is characterized in that the The fuel pump is covered above the fuel pump by a eaves extending rearward from the rear of the trunk.

The top of the fuel pump is covered by the eaves extending rearward from the rear of the trunk so that the fuel pump is not exposed to the outside. Since the eaves cover only the upper part of the fuel pump, the suitcase integrally provided with the eaves can be reduced in size and weight, and it is unnecessary to provide conventional holes through which the striker plate passes and holes through which the lid protrudes. In addition, even if the attachment portion of the fuel pump to the fuel tank protrudes outward, the protruding portion can be protected by the eaves.

The invention according to claim 2 is characterized in that the mounting surface of the fuel pump is lower than the upper surface of the fuel tank by one step.

By making the mounting surface of the fuel pump a little lower than the upper surface of the fuel tank, the eaves are not formed particularly high, and also, the protruding part of the fuel pump to the outside can be made lower than its surroundings.

The invention according to claim 3 is characterized in that the eaves portion extends to the front of the fuel supply port provided on the rear upper surface of the fuel tank.

The eaves extend to the front of the fuel supply port provided on the rear upper surface of the fuel tank, so that there is no need to provide a hole for the cover to protrude compared to the conventional case of covering to the top of the fuel supply port.

The invention according to claim 4 is characterized in that the fuel pump is offset from the center of the vehicle body.

The top of the fuel pump that is offset from the center of the vehicle body may be covered only with the eaves.

The invention according to claim 5 is characterized in that the fuel pump is displaced toward the air filter side.

The fuel pump can be placed close to the engine's air intake system. When there is a side stand, the side of the air filter is the side of the side stand, and the fuel pump can be arranged on the side where the vehicle body is inclined.

In the invention according to Claim 1, since the fuel pump is covered by the eaves extending backward from the rear of the trunk, it is only necessary to cover the top of the fuel pump with the eaves, and the eaves can be integrally provided. The suitcase at the bottom is small/lightweight.

In addition, since it is not necessary to provide a conventional hole through which the striking plate passes or a hole in which the cover protrudes in the overhang part, the shape of the overhang part can be simplified. In addition, even if the attachment portion of the fuel pump to the fuel tank protrudes outward, the protruding portion can be reliably protected by the eaves, and the reliability of the motorcycle can be improved.

In the invention pertaining to claim 2, since the installation surface of the fuel pump is made lower than the upper surface of the fuel tank, the eaves are not formed much higher than the fuel tank, and can be formed into a substantially flat shape, thereby simplifying the shape of the trunk. The purpose of reducing the cost of luggage. In addition, since the position of the protruding part of the fuel pump to the outside is low, the protruding part can be more reliably protected.

In the invention related to Claim 3, since the eaves portion is extended to the front of the fuel supply port provided on the rear upper surface of the fuel tank, it is unnecessary to install a Holes that make the lid protrude, etc., can achieve the purpose of simplifying the shape of the luggage case, thereby reducing the cost.

In the invention according to Claim 4, since the fuel pump is shifted relative to the center of the vehicle body, if only the top of the fuel pump shifted relative to the center of the vehicle body is covered with the visor portion, the visor can be set very small. department.

In the invention according to Claim 5, since the fuel pump is shifted toward the air filter side, the fuel pump can be brought close to the intake system of the engine, and the fuel pipe can be shortened. In addition, the air filter side is on the side bracket side, and since the vehicle body is inclined, even if the fuel in the fuel tank is low, fuel can be supplied to the air intake system satisfactorily.

Description of drawings

Fig. 1 is a side view showing a motorcycle according to the present invention.

Fig. 2 is a main part side view showing the rear part of the motorcycle according to the present invention.

Fig. 3 is a perspective view showing the structure of a fuel tank according to the present invention.

Fig. 4 is a plan view showing the mounted state of the luggage case and the fuel tank according to the present invention.

Fig. 5 is a sectional view along line 5-5 of Fig. 4 .

Detailed ways

Next, preferred modes for implementing the present invention will be described with reference to the drawings. In addition, the drawings are figures seen along the direction of the reference numerals.

Fig. 1 is the side view of the automatic two-wheel vehicle that the present invention relates to, and automatic two-wheel vehicle 10 has rear frame 12 at the rear portion of vehicle frame 11, and luggage case 13 is installed on this rear frame 12 and is arranged on this luggage. Fuel tank 14 at the tank 13 rear, and cover the top of these trunks 13 and fuel tank 14 by open and close type vehicle seat 16.

The vehicle frame 11 is composed of a head pipe 21 provided at the front end, a down frame 22 extending obliquely rearward and downward from the head pipe 21, and a pair of left and right aprons extending from the lower end of the down frame 22 to the rear and upward. Frames 23, 24 (only the front reference numeral 23 is shown) and said rear frame 12 respectively installed on the rear ends of these lower frames 23, 24 constitute.

Here, 31 is a front fork freely controllably installed on the head pipe 21 through a steering shaft 32, 33 is a front wheel rotatably installed at the lower end of the front fork 31, 34 is a handle installed on the top of the steering shaft 32, 36 is the front fender that covers the front wheel 33 tops, 37,38 (only showing the label 37 in the front) is a pair of left and right engine hanging plates installed on the lower frame 23,24 and the rear vehicle frame 12 respectively, 41 is The power unit installed on the engine hangers 37 , 38 is freely swingable through the connecting rod 42 , and 43 is a rear shock-absorbing unit installed between the rear portion of the power unit 41 and the rear vehicle frame 12 .

In addition, 44 is an air filter, 46 is a throttle body connected to the air filter 44 through a connecting pipe 47, and 48 is connected to the throttle body 46 and mounted on the cylinder head 52 of the engine 51 constituting the power unit 41. 53 is the fuel injection valve installed on the intake manifold 48, 54 is the continuously variable transmission used to form the power unit 41, 56 is the rear wheel installed on the output side of the continuously variable transmission 54, 57 is A rear fender covering the upper part of the rear wheel 56 is a helmet accommodated in the trunk 13 at 58 .

Fig. 2 shows the main part side view (the arrow (front) among the figure represents the front of the vehicle. The same below.) of the automatic two-wheeled vehicle that the present invention relates to. The rear portion of the outline shown by a thick line) is integrally provided with a eaves portion 71 , and the fuel pump 72 provided on the front portion of the fuel tank 14 is covered by the eaves portion 71 .

The luggage case 13 is composed of a storage portion 73 provided with a concave portion 73a for storage, and the above-mentioned eaves portion 71 extending rearward so as to be continuous with the upper portion of the storage portion 73 . In addition, 13a is a seat support part provided on the front wall of the trunk 13 in order to support the seat 16 openably and closably.

In the fuel tank 14, a pump mounting surface 77 is formed at a position lower than the upper surface 76 provided with the fuel supply port 74, the fuel pump 72 is mounted on the pump mounting surface 77, and the lower end of the fuel pump 72 corresponds to the pump mounting surface 77. The part is formed with the lower surface 78 at the lowest position.

Here, 12a, 12b (only the reference numeral 12a on the front side is shown) is a container mounting bracket with bolts installed on the rear frame 12 for supporting the fuel tank 14, and 12c, 12d (only the front side is shown) Reference numeral 12c) in the reference numeral 12 is a container mounting bracket with a nut installed on the rear frame 12 for supporting the fuel tank 14, 12e is a nut, 12f is a bolt, and 79 is a filler cap for blocking the oil supply port 74.

The fuel pump 72 is a container built-in type in which the upper end is installed on the pump mounting surface 77 of the fuel tank 14, and the lower side of the upper end is arranged in the fuel tank 14; A fuel injection port 82 is connected to the injection port 82 to a part of a fuel pipe 83 that supplies fuel to the fuel injection valve 53 .

The fuel pipe 83 extends substantially forward from the outlet 82 , then extends substantially downward along the rear surface 85 of the trunk 13 , and is connected to the suction port of the intake manifold 48 through the lower surface 86 of the trunk 13 . 87 on.

3 is a perspective view showing the structure of the fuel tank according to the present invention. The fuel tank 14 makes the upper surface 76, in detail, the part near the left side of the inclined surface 91 provided on the front portion of the upper surface 76, which is approximately recessed into a semicircle. The pump mounting surface 77 is formed in a shape, and the upper end portion of the fuel pump 72 is mounted approximately on the central portion of the pump mounting surface 77 .

The upper surface 76 has a substantially horizontal flat surface 92 provided with the oil supply port 74 , an inclined surface 91 that becomes lower going forward from the flat surface 92 , and a pump mounting surface 77 . In addition, 76a is a side wall.

In this way, by denting the upper surface 76 to form the pump mounting surface 77, the discharge port 82 protruding from the upper end of the fuel pump 72, the fuel pipe 83, and the connector 88 (connected to the motor (not shown) in the fuel pump 72 can be ), used to energize the motor from the outside) and other positions are lower than these components, that is, lower than the inclined surface 91 and the flat surface 92, in addition to being protected by the eaves portion 71 (see FIG. 2 ), these components can be improved. The protection effect of the ejection port 82, the fuel pipe 83 (see FIG. 2), the connector 88, and the like.

Here, 93 is respectively mounted on brackets 12g and 12h (only the symbol 12g on the front side is shown. See FIG. 2 ) provided on the left and right sides of the rear frame 12 via bolts 12j to support the seat 16 (see FIG. 1 ). The vehicle seat support bar, 94,95 (only showing the sign 94 of one side in front) is for installing the handrail 96 (referring to Fig. 1) grasped by the fellow passenger and is installed on the rearward vehicle frame of the vehicle seat support bar 93 The armrest support portion near the installation portion, 94a, 95a (only the symbol 94a on the front side is shown) is the armrest installation hole offered on the armrest support portion 94,95, and 97 is a frame on the left and right rear parts of the rear frame 12. The cross pipe 98 is a stop plate for forming a locking device for locking the opening and closing of the seat 16 .

Fig. 4 is a plan view showing the installation state of the luggage case and the fuel tank according to the present invention. The eaves portion 71 is made so that the width of the accommodating portion 73 of the luggage case 13 (here, the shape is shown with a thick line for easy understanding.) The rear end portion 101 of the rear end portion 101 of the fuel tank 14 is positioned in front of the fuel filler cap 79 of the fuel tank 14 . In addition, the rear end 101 is located in front of the seat stay 93 . Thereby, the fuel tank 14 behind the seat stay 93 can be protruded upward, for example, and the capacity of the fuel tank 14 can be increased. In addition, 12m and 12n are brackets provided on the rear frame 12 for mounting the lower part of the receiving portion 73 on the rear frame 12, and 12p and 12p are mounting bolts for mounting the trunk 13 on the rear frame 12. , 12q, 12q are mounting bolts for mounting the rear portion of the housing portion 73 on the rear frame 12 .

The fuel pipe 83 extends from the discharge port 82 of the fuel pump 72 to the rear of the vehicle, passes between the fuel tank 14 and the trunk 13, and then passes under the throttle body 46 under the receiving portion 73, and extends approximately forward and rightward. , further forward and then bent into a U shape and extend backward to be connected to the suction port 87 of the suction manifold 48 (see FIG. 2 ). In addition, since the fuel pipe 83 passes under the throttle body 46 , it does not interfere with the trunk 13 .

Fig. 5 is a sectional view along line 5-5 of Fig. 4, respectively forming downwardly bent bent portions 106, 107 on the left and right ends of the eaves portion 71, and disposing the fuel pump 72 so that its center line 72a is opposite The center line 108 drawn along the center of the left and right sides of the fuel tank 14 is only offset to the left of the vehicle body (indicated by the arrow (left) in the figure) as an offset δ, so that the left part 111a of the bottom surface 111 of the fuel tank 14 and The right part 111b is lower than the center part 111c, and the fuel pump 72 is arrange|positioned above the left part 111a. In addition, 113 is a sealing member that seals between the opening 114 opened in the pump mounting surface 77 of the fuel tank 14 and the fuel pump 72 inserted into the opening 114 .

Next, the functions of the trunk and fuel tank structures of the above-mentioned motorcycle will be described.

In FIG. 2 , in a state where the seat 16 is closed, the seat 16 covers the entire trunk 13 and the fuel tank 14 . At this time, since the seat support bar 93 installed on the rear frame 12 supports the bottom plate 116 located at the bottom of the seat 16, the load acting on the seat 16 can be borne by the seat support bar 93, preventing the A large load is applied to the trunk 13 including the overhang portion 71 and the fuel tank.

In addition, when the seat 16 is opened in the counterclockwise direction around the seat support portion 13a provided at the front end of the trunk 13 from the state shown in FIG. 73 access and fuel supply to the fuel tank 14 by opening the filler cap 79 . At this time, since the upper part of the fuel pump 72 is covered by the eaves part 71, the upper part of the fuel pump 72 and the fuel pipe 83 are not obstructed when storage or refueling is performed.

In addition, by attaching the fuel pump 72 to the pump attachment surface 77 provided in the recessed portion of the fuel tank 14, for example, even if the eaves 71 are bent downward by a downward pressing force, the eaves 71 will not The protruding parts of the fuel pump 72 (discharge port 82, fuel pipe 83, connector 88, etc.) will not be interfered by the eaves 71 against the inclined surface 91 and the flat surface 92, so that the fuel pump 72 can be further reliably protected.

As described above in FIGS. 1 to 3 , in the present invention, a trunk 13 is provided under the seat 16 and a fuel tank 14 is provided behind the trunk 13. The first characteristic of the motorcycle 10 is that , the fuel pump 72 is installed on the pump installation surface 77 as the installation surface provided on the upper surface 76 of the fuel tank 14, and the fuel pump 72 is covered by the eaves 71 extending rearward from the rear of the trunk 13. above.

Since the top of the fuel pump 72 is covered by the eaves 71 extending backward from the rear of the trunk 13, it is only necessary to cover the top of the fuel pump 72 with the eaves 71, and the eaves 71 can be integrally provided. The suitcase 13 is small/lightweight.

In addition, since it is not necessary to provide a conventional hole through which the striker plate passes and a hole through which the cover protrudes, the shape of the overhang part 71 can be simplified. Furthermore, even if the attachment portion of the fuel pump 72 to the fuel tank 14, specifically, the discharge port 82, the fuel pipe 83, the connector 88, etc. protrude outward, the protruding portion can be reliably protected by the eaves portion 71, thereby enabling The reliability of the automatic two-wheeled vehicle 10 is improved.

The second feature of the present invention is that the pump mounting surface 77 of the fuel pump 72 is lower than the upper surface of the fuel pump 72 , specifically, lower than the flat surface 92 .

Since the pump mounting surface 77 on which the fuel pump 72 is mounted is lower than the flat surface 92 of the fuel tank 14, the eaves 71 will not be formed particularly high, and can be roughly formed into a flat shape, thereby simplifying the shape of the trunk 13. Reduce the cost of the trunk 13. In addition, since the protruding parts to the outside of the fuel pump 72, especially upward protruding parts (discharge port 82, fuel pipe 83, connector 88, etc.) are located low, the protruding parts can be protected more reliably.

The third feature of the present invention is that the eaves portion 71 is extended to the front of the fuel supply port 74 on the flat surface 92 that is the rear upper surface of the fuel tank 14 .

Since the eaves portion 71 extends to the front of the fuel supply port 74 on the flat surface 92 as the rear upper surface of the fuel tank 14, it is unnecessary to provide a cover compared with the conventional situation of covering to the top of the fuel supply port. The protruding holes and the like can achieve the purpose of simplifying the shape of the luggage case 13 and reduce the cost.

A fourth feature of the present invention is that the fuel pump 72 is offset with respect to the centerline 108 which is the center of the vehicle body.

By offsetting the fuel pump 72 with respect to the center line 108 which is the center of the vehicle body, the overhang portion 71 can be set to be small only by covering the top of the fuel pump 72 offset with respect to the center line 108 with the overhang portion 71. .

A fifth feature of the present invention is that the fuel pump 72 is shifted toward the air filter 44 side.

By offsetting the fuel pump 72 toward the air filter 44 side, the fuel pump 72 can be brought closer to the intake system of the engine 51 , such as the intake manifold 48 , so that the fuel pump 83 can be shortened. In addition, the air filter 44 side is the side bracket side, and since the vehicle body is inclined, even when the fuel in the fuel tank is low, the fuel can be supplied to the air intake system satisfactorily.

In addition, in this embodiment, although the structure in which the trunk and the fuel tank are covered by the seat is shown, it is not limited to this, and only the seat covers the top of the trunk, and the fuel tank behind the trunk is not covered by the vehicle. In the structure in which the seat is covered and exposed, the eaves may be integrally extended rearwardly from the luggage compartment, and the fuel pump mounted on the fuel tank may be covered by such outwardly exposed eaves.

The trunk and fuel tank structure of the present invention is suitable for motorcycles, especially small motorcycles.

Claims (8)

1. the configuration structure of the baggage container of an automatic two-wheeled cycle and Fuel Tank is provided with baggage container in below-seat, and adjacent and be provided with Fuel Tank at this baggage container rear, it is characterized in that,

On the upper surface at described Fuel Tank rear portion, oil filling port is set, simultaneously on the attachment face of this upper surface, petrolift is installed, and cover the top of this petrolift by the hood portion that extends back from described baggage container one, described hood portion extends to the place ahead of described oil filling port.

2. the configuration structure of the baggage container of automatic two-wheeled cycle as claimed in claim 1 and Fuel Tank, it is characterized in that, described baggage container and described Fuel Tank dispose before and after being, described petrolift is positioned at described oil filling port compares more close described baggage container one side, is fixed on vehicle seat strut bar that being used on the back vehicle frame of automatic two-wheeled cycle bear the load of described vehicle seat and is positioned at described Fuel Tank top and is positioned at and compare more close described baggage container one side with described oil filling port;

The rear end of described hood portion is positioned at the place ahead of vehicle seat strut bar.

3. the configuration structure of the baggage container of automatic two-wheeled cycle as claimed in claim 1 or 2 and Fuel Tank is characterized in that, the attachment face of described petrolift is formed on the position lower than described oil filling port.

4. the configuration structure of the baggage container of automatic two-wheeled cycle as claimed in claim 1 or 2 and Fuel Tank is characterized in that, makes the upper surface portion depression of described Fuel Tank and forms the attachment face of described petrolift.

5. the configuration structure of the baggage container of automatic two-wheeled cycle as claimed in claim 4 and Fuel Tank is characterized in that, makes described petrolift lower around exterior protrusion ratio.

6. the configuration structure of the baggage container of automatic two-wheeled cycle as claimed in claim 1 or 2 and Fuel Tank is characterized in that, described petrolift is with respect to the car body off centering.

7. the configuration structure of the baggage container of automatic two-wheeled cycle as claimed in claim 6 and Fuel Tank is characterized in that, described petrolift moves to air filter one lateral deviation.

8. the configuration structure of the baggage container of automatic two-wheeled cycle as claimed in claim 1 and Fuel Tank, it is characterized in that, configuration petrolift (72), the line of centers (108) that makes its line of centers (72a) draw with respect to the central authorities along about Fuel Tank (14) is offset to the car body left.

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