CN1219484A

CN1219484A - Motorcycle

Info

Publication number: CN1219484A
Application number: CN 98122797
Authority: CN
Inventors: 奥村英隆; 藤井宏始; 铃木达也
Original assignee: Yamaha Motor Co Ltd
Current assignee: Yamaha Motor Co Ltd
Priority date: 1997-12-09
Filing date: 1998-12-09
Publication date: 1999-06-16
Anticipated expiration: 2018-12-09
Also published as: JPH11171075A; CN1154593C

Abstract

To hinder foggy water from being sucked into an air cleaner while avoiding cost increase. An air cleaner case 26 is disposed below a seat 2. An intake duct 20 is protrusively provided at the upper part of the air cleaner case 26. A partition wall 21 surrounding the intake duct 20 from the front and both sides of a body is integrally formed at a seat bottom plate 17. Parts positioned at both sides of the intake duct 20, in the partition wall 21 are fixed to a seat support bracket 22 on the body frame side.

Description

Motor bike

The present invention relates to airfilter is installed in the motor bike of below-seat.

In the past, on this motor bike, not in the aspirated air fil, when the upstream line of airfilter is set, made the rear of air suctiton inlet sensing car body in muddy water that the rainwater of time landing and front-wheel take up etc. in order to make rain.

But, only with the air suctiton inlet of aspirating air pipe towards the rear of car body, along with the vaporific water that the wind that travels is blown into, the problem that is inhaled in the airfilter is arranged.In order to solve this shortcoming, consider around aspirating air pipe the method for the filter that can catch spray water is set, but when adopting this formation, will increase number of parts thereby raise the cost.

The present invention carries out in order to address this problem, and its purpose is to avoid to raise the cost and can stops in the water aspirated air fil with zero shape.

In order to realize this purpose, motor bike of the present invention, the top of the airfilter that below vehicle seat, is provided with, aspirating air pipe is set highlightedly, and on seat bottom plate, integrally form the next door, make its place ahead and two sides surround aforementioned aspirating air pipe by vehicle body, with the partial fixing that is positioned at aspirating air pipe two sides in aforementioned next door on the vehicle seat support rack on the vehicle frame.

According to the present invention, the wind that travels that flows to aspirating air pipe by the vehicle body front side, by be arranged on seat bottom plate on the next door contact and changes flow direction, so vaporific water along with the wind flow of travelling is attached on the outside in aforementioned next door and is captured.In addition, owing to be to utilize seat bottom plate to catch the structure of spray water, do not increase number of parts.Moreover, in two sides of aspirating air pipe, the vehicle seat support rack is set also the next door on seat bottom plate, therefore can also catch vaporific water by this vehicle seat support rack.

The motor bike of another relevant invention is based on the motor bike of above-mentioned relevant invention, be that septulum is integrally formed on the air cleaner case, make between its next door on aspirating air pipe and the seat bottom plate, and surround aspirating air pipe by the place ahead and two sides of vehicle body.

According to this invention, form the labyrinth structure utilize next door and septulum to suppress windstream, the therefore flow velocity reduction of the mobile wind that travels by the part of this labyrinth structure, and be contained in wherein the vaporific water capacity easily attached on next door and the septulum.Its result, the spray water that can make below by the next door flow to the aspirating air pipe side is attached on next door and the septulum catches.In addition, because septulum is to form with air cleaner case is whole, can not increase number of parts.

Fig. 1 is the lateral plan of motor bike of the present invention,

Fig. 2 is the amplification view of expression main portion,

Fig. 3 is the birds-eye view of the aspirating air pipe part of expression air cleaner case,

Fig. 4 is the lateral plan at expression vehicle seat rear portion.

Below, describe an embodiment of motor bike of the present invention in detail according to Fig. 1～Fig. 4.

Fig. 1 is the lateral plan of motor bike of the present invention, and Fig. 2 is the cutaway view that main portion is amplified expression, and Fig. 3 is the birds-eye view of the aspirating air pipe part of expression air cleaner case.And Fig. 3 is the position of deciding what is right and what is wrong with II-II line presentation graphs 2.Fig. 4 is the lateral plan at expression vehicle seat rear portion, and this figure dissects expression with the bound fraction of the transverse member of seat bottom plate and frame sides.

In these figure, the motor bike of mark 1 this embodiment of expression.This motor bike 1 is equipped with air filter 4 in the inboard of the lower side cover 3 of vehicle seat 2.Aforementioned side cover 3 has not shown key lock, takes this key lock not to be opened promptly the structure that can not unload from vehicle body.

In Fig. 1, mark 5 expression cradle frames, the 6th, be loaded in the air-cooled type 4 circulation single cylinder engines on the

vehicle frame

5,7 expressions are supported in the head of vehicle frame 5 with freely rotating and manage 8 interior front forks.Front-wheel 9 is installed in 10 on this front fork 7 with bogie car.

In addition, mark 11 expression Fuel Tanks, the 12nd, postbrachium, swing is supported on the postbrachium carriage 13 of vehicle frame 5 freely, and the 14th, trailing wheel is installed on the aforementioned postbrachium 12 with freely rotating.Aforementioned Fuel Tank 11 be supported in vehicle frame 5 Fuel Tank rail 15 and with the vehicle seat rail 16 that midway links of this Fuel Tank rail 15 on.Moreover Fuel Tank rail 15 is to be formed by 1 body, and vehicle seat rail 16 is by forming at double-type 2 bodys of overall width direction.Aforementioned vehicle seat 2 is supported on this vehicle seat rail 16.

Aforementioned vehicle seat 2 is taked the structure of filling padded coaming 19 between seat bottom plate 17 and skin material 18 as shown in Figure 2, makes driver and co-driver are taken.Aforementioned seat bottom plate 17 is made by synthetic resin, integrally forms the next door 21 of the aspirating air pipe 20 of encirclement airfilter 4 described later.This next door 21 is that the sidewall 21b by antetheca 21a and pair of right and left forms as shown in Figure 3, and its horizontal profile becomes the word shape open towards the vehicle body rear, by the place ahead and the two sides encirclement aspirating air pipe 20 of vehicle body.

In addition, aforementioned next door 21 is to be positioned at the rearward end of sidewall 21b of two sides of aspirating air pipe 20, utilizes bolt of rear end plate 23 to be fixed on the vehicle seat support rack 22 on the vehicle frame 5.Aforementioned vehicle seat support rack 22 is to be made by sheet material, is welded on the vehicle body left side and vehicle body right side of transverse tube 24 respectively to the front lower place with extending, and this transverse tube 24 is used to link aforementioned vehicle seat rail 16 a pair of on the overall width direction.

In this embodiment, as shown in Figure 2, from the side, the sidepiece lower edge 2a of vehicle seat 2 is that the air suctiton inlet 20a with aspirating air pipe 20 and aspirating air pipe 20 makes the vehicle seat sidepiece be provided with overlappingly downwards with extending, with prevent water from the side of vehicle body along with windstream enters air suctiton inlet 20a side.Owing to take this structure, the position step-down of the sidepiece lower edge 2a of vehicle seat 2, therefore, in order not decrease, make aforementioned vehicle seat support rack 22 outstanding by aforementioned sidepiece lower edge 2a downwards with the rearward end of aforementioned lateral wall 21b in the binding of bolt of rear end plate 23 and the operation of disassembling section.

If make aforementioned lateral wall 21b when above-below direction forms longlyer, reduce easily for the rigidity of lateral load, but in this embodiment, by the front end of left and right sides sidewall 21b being interlinked, thereby improve rigidity with reinforced sidewall 21b with antetheca 21a.That is, will integrally form with seat bottom plate 17, can improve the rigidity of seat bottom plate 17, and can use this next door 21 that vehicle seat 2 is fixed on the vehicle frame 5 strongly by the next door of overlooking to word shape 21 that above-mentioned antetheca 21a and pair of right and left sidewall 21b constitute.

Moreover, support about vehicle seat 2, except being fixed on aforementioned next door 21 on the vehicle frame 5, can also carry out as shown in Figure 4, the locking plate 17a of the rearward end of seat bottom plate 17 is combined with the transverse member 25 of vehicle seat rail 16 rearward end, and make at the outstanding downwards a plurality of weight body 17b (with reference to Fig. 2) that are provided with on the seat bottom plate 17 and be bearing on the vehicle seat rail 16.Aforementioned lateral member 25, be for the vehicle seat rail 16 that links pair of right and left crossbearer thereon, and at the pars intermedia of the overall width direction of upper end, the outstanding coupling collar 25a that is provided with along vehicle body fore-and-aft direction opening.Aforementioned locking plate 17a is snapped in this coupling collar 25a by the place ahead, and the rearward end that is about to vehicle seat 2 is attached on the vehicle frame 5.

Aforementioned airfilter 4 is to constitute by forming box-type air cleaner case 26 (with reference to Fig. 2) and being installed in these air cleaner case 26 in-to-in air filter element (not shown)s.About air cleaner case 26, on the top of vehicle body rear side aspirating air pipe 20 is set highlightedly upward, and gasifier 27 is connected on the end of vehicle body front side, the end of vehicle body rear side and front side is supported on the vehicle frame 5.

The structure that the support sector of the vehicle body rear side of air cleaner case 26 takes is fixed on the outstanding coupling plate 26a that is arranged on the air cleaner case 26 bottom of the vehicle seat support rack 22 (representing with long and two-short dash line) in vehicle body left side as shown in Figure 2 in Fig. 2 with bolt of rear end plate 28.The structure that the support sector of the vehicle body front side of air cleaner case 26 takes is that the outstanding coupling plate 26b that is arranged on the air cleaner case 26 is supported on the connecting piece 29 that links aforementioned postbrachium carriage 13 and Fuel Tank rail 15 by not shown strut.

Aforementioned aspirating air pipe 20, its air suctiton inlet 20a point to ground, vehicle body rear and form, and are surrounded by the place ahead and two sides of vehicle body by the whole septulum 30 that is formed on the air cleaner case 26.Aforementioned auxiliary next door 30 is towards forming between the next door 21 of aspirating air pipe 20 and seat bottom plate 17 by the below.

As described above the motor bike 1 of Gou Chenging in motion, travel wind in Fig. 2 as shown by arrows, below Fuel Tank 11 and vehicle seat leading section, flow to aspirating air pipe 20 by the vehicle body front side.This travel wind by be arranged on seat bottom plate 17 on next door 21 contact and change flow direction.

Therefore, situation such as travel in the rainy day under, when vaporific water was blown into airfilter 4 sides along with the wind that travels from the vehicle body front side, this vaporific water can be captured attached to the outside in aforementioned next door 21.In addition, owing to take to utilize seat bottom plate 17 to catch the structure of vaporific water, can not increase number of parts.

Moreover, this motor bike 1, owing to be provided with on the air cleaner case 26 towards the septulum 30 between the next door 21 of aspirating air pipe 20 and seat bottom plate 17, forms the labyrinth structure by next door 21 and septulum 30, the spray water that therefore can make below by next door 21 flow to aspirating air pipe 20 sides is attached on next door 21 and the septulum 30 and is captured.This is because labyrinth structure has suppressed flowing of air, and the flow velocity of the wind that travels that is flowed by the lateral aspirating air pipe 20 in next door 21 is because aforementioned labyrinth structure reduces, and wherein contained spray water is attached on next door 21 and the septulum 30 easily.And septulum 30 forms integral body with air cleaner case 26, therefore can not increase number of parts.In addition, aforementioned auxiliary next door 30 also has the function that the water that conflicts with next door 21 and drip is kept apart with the installation portion of aspirating air pipe 20 and aspirating air pipe 20.

In addition, this motor bike 1 is that partial fixing with the both sides that are positioned at aspirating air pipe 20 on the next door 21 of seat bottom plate 17 is on vehicle seat support rack 22, therefore in two sides of aspirating air pipe 20, except next door 21, also be provided with vehicle seat support rack 22, can also catch vaporific water by this vehicle seat support rack 22.

As mentioned above, according to the present invention, the wind that travels that flows to aspirating air pipe by the vehicle body front side, by be arranged on seat bottom plate on the next door contact and changed flow direction, thereby can make along with travel wind and mobile vaporific water are attached on the aforementioned next door and are captured.

Therefore, can stop vaporific water to be inhaled in the aspirating air pipe.In addition,, can not increase number of parts, the structure of catching vaporific water is not realized with raising the cost because next door and seat bottom plate integrally form.And, in two sides of aspirating air pipe, except the next door of seat bottom plate, also dispose the vehicle seat support rack, can also catch vaporific water by this vehicle seat support rack, therefore can further make shipwreck to suck.

According to making septulum be integrally formed in another invention on the air cleaner case, owing to form the labyrinth structure by next door and septulum, the flow velocity of the mobile wind that travels reduces by the part of this labyrinth structure, and the wherein contained vaporific water capacity easily is attached on next door and the septulum.Its result can make the vaporific water of the following direction aspirating air pipe side flow by the next door be attached on next door and the septulum and be captured.In addition, because septulum and air cleaner case integrally form, can not raise the cost because of part increases.

Claims

1. motor bike, it is characterized in that: will the outstanding air cleaner case that is provided with aspirating air pipe in top be configured in vehicle seat below, on this seat bottom plate, integrally form the next door, make its place ahead and two sides surround aforementioned aspirating air pipe by vehicle body, with the partial fixing that is positioned at aforementioned aspirating air pipe two sides on the aforementioned next door on the vehicle seat support rack on the vehicle frame.

2. by the described motor bike of claim 1, it is characterized in that: septulum is integrally formed on the air cleaner case, makes between its next door on aspirating air pipe and the seat bottom plate, and by the place ahead and the two sides encirclement aspirating air pipe of vehicle body.