CN1118039A

CN1118039A - Suctiong unit of light motor bicycle

Info

Publication number: CN1118039A
Application number: CN95106648.XA
Authority: CN
Inventors: 高桥祐一; 草野拓平
Original assignee: Honda Motor Co Ltd
Current assignee: Honda Motor Co Ltd
Priority date: 1994-06-11
Filing date: 1995-05-30
Publication date: 1996-03-06
Anticipated expiration: 2015-05-30
Also published as: ITTO950483A1; ITTO950483A0; JPH07329871A; JP3609121B2; IT1276372B1; TW345123U; CN1053486C

Abstract

A kind of suction device of small-sized vehicle, pedal 36 near car body cover 48 bottoms are installed cover part 50, and the air inlet 52 of this cover part 50 is located at pedal 36 tops, and opens forward. The air inlet 52 communicates with the front open end 72 of the suction pipe 70 , and the rear side of the front open end 72 communicates with the air filter 56 . This prevents water splashed from the pedals from intruding into the air intake 52 .

Description

The suction means of light two-wheeled motor vehicle

The present invention relates to light two-wheel car engine and give the suction means of gas system, the particularly structure of suction port.

For example, opening clear 64-No. 22692 discloses following a kind of device in fact: be enclosed within the car body cover by extended sucking pipe of air-strainer and luggage box, car body cover front surface has been opened suction port, and air is from entering sucking pipe here.

Because the suction port position is than higher in the said structure, so worry that front-wheel splashes the water and the dust that come and enters in the sucking pipe from suction port.Therefore wish to form and finely to block the water that splashes up and the inlet structure of dust.

In the precedent structure, air passageways must be located at the car body cover inboard before the luggage box, so air passageways requires the luggage box must leave the car body cover, the capacity that restriction luggage box has appearred in its result reaches problems such as being difficult to realize the expansion capacity.The application's purpose will address these problems just.

Provide a kind of suction means of light two-wheeled motor vehicle in order to address the above problem this patent, below-seat is provided with the low and flat type foot treadle, the car body cover wraps in the inside to the luggage box of below-seat, and be connected with foot treadle from the top, the suction means of the light two-wheeled motorcycle of the cluster engine that comprises motor is installed in the car body cover, is it is characterized in that: the suction port of engine air supply systems is located on the foot treadle car body cover side nearby.

And, car body cover below, in the outside that comprises air inlet parts, the lid part of another body is installed, on this lid part that is communicated with car body cover suction port, opening end is set forward, makes maze-type structure for connecting this opening end that covers part and the air passageways of car body cover suction port simultaneously, certain intervals, interlaced overlapping gusset are arranged before and after being provided with respectively, gusset is integral with ventilating board and car body cover respectively, and to side extending projection.

Because suction port is located near the car body cover side of foot treadle, the water and the dust that splash are up blocked by foot treadle effectively, are difficult to enter suction port.Therefore, can effectively stop the water and the dust that splash up to enter aspirating air pipe, can prolong the service cycle of air-strainer.

Before moreover air passageways was not arranged on the luggage box, the luggage box can be near the car body cover, so can strengthen the space of luggage box.Effectively utilize unemployed dead angle, car body cover below in addition, improved space availability ratio.

The lid part that another body is installed in the outside that is comprising air inlet parts below the car body cover is on this lid part, with the outer cover suction port opening end is set forward communicatively, and the gusset of doing to be integral with lid part and car body cover is respectively deposited certain intervals before and after being arranged to, interlaced form, become the labyrinth form owing to link the air passageways of opening end and car body cover suction port, so water just is difficult to enter in the sucking pipe more.And this maze-type structure forms easily.

Below in conjunction with figure embodiments of the invention are described, wherein,

The partial side view of Fig. 1 example

The side view of the light two-wheeled motor vehicle of Fig. 2

The plan view of the light two-wheeled motor vehicle of Fig. 3

The front view of the light two-wheeled motor vehicle of Fig. 4

5-5 sectional drawings among Fig. 5 Fig. 1

Fig. 6 example partial elevation view

7-7 sectional drawings among Fig. 7 Fig. 1

Symbolic representation among the figure: 36-foot treadle, 48-car body cover, 50-side ventilating board, 52-suction port, 54-Carburetor, 56-air-strainer, 70-sucking pipe

According to Fig. 2～Fig. 4, the overall structure of light two-wheeled motor vehicle is described earlier.Fig. 2 is the side view of two-wheeled motor vehicle, and Fig. 3 is a plan view, and Fig. 4 is a front view.

As seen, front fork 4 supports front-wheel 2 among the figure, and front mudguard 6 is fixed on the front fork 4, and front fork 4 upper ends connect handle-bar stem 8, and handle-bar stem 8 usefulness front mudguards 6 and front shroud 10 encase.

Headlamps 12 is equipped with in the front, front lower place of front shroud 10, and left and right sides turn light 14 is equipped with in both sides, connects goods basket 16 with screw 19 on the tubing 18 of front shroud 10 fronts.The upper end of tubing 18 is connected with the carriage 20 usefulness bolts 23 of handle-bar stem 8 fronts, and the lower end is connected with support overhang 21 usefulness bolts 23.Utilize support 25 and subframe 27 to increase the intensity of overhangs 21.

Tubing 18 is connected with handle-bar stem 8 by carriage 20.Handlebar axis 22 can freely turn round and be fixed on the handle-bar stem 8, and handlebar axis 22 is extended upward by front shroud 10, and is covered by handlebar outer cover 24, and two handles 26 about formation are extended to the both sides of handlebar cover 24 in the upper end of handlebar axis.

Instrument 28 is housed above the steering handle outer cover 24, and headlight 30 is equipped with in the front, and loudspeaker 32 are equipped with in the centre.

Handlebar column 8 lower ends are oblique down, connect main car frame 34 backward, the crooked saddle installation foot pedal 36 of main car frame 34, and 10 times rear ends of front shroud are connected with foot treadle 36.Fuel tank 29 is fixed on the main car frame 34, seals subframe 27 protection fuel tanks 29 both sides with backplate 37.

Structure is obliquely made at foot treadle 36 rear portions 38, is supporting vehicle seat 40, luggage box 42, fuel tank 44, back luggage carrier 46 etc.

Cover with car body cover 48 around comprising the rear portion 38 of luggage box 44 below the vehicle seat 40, fuel tank 44.Car body cover 48 bottoms, foot treadle 36 next doors are provided with side ventilating board 50 (being equivalent to lid part of the present invention), and it is fixed on the car body cover from the outside, has formed suction port 52 at this.Carburetor 54 is equipped with in car body cover 48 inboards, suction port 52 rear, and air is supplied with Carburetor 54 by the air-strainer 56 at its rear.

Air-strainer 56 is connected with suction port 52 described later.In addition, oscillating engine group 58 is positioned at below foot treadle 36 rears, the main car frame rear portion 38, and it is supported by connecting rod 60 by pivot 59.The pivot 61 of the front end setting of connecting rod 60 is fixed on the bracket 62, and carriage 62 is fixed on the main car frame rear portion 38.

Between the outstanding forward parts 63 and 64 in the both sides of pivot 61 and bracket 62 rubber seal 65 is housed, pivot 59 and 61 is made up of the rubber fixed axle sleeve respectively, the rear end of trailing wheel 67 support cluster engines 58.Symbol 68 is a baffler among the figure in addition, and 69 is rear shock absorber.

Below, the air intake structure of air-strainer 56 is described.Fig. 1 is air-strainer 56 partial enlarged drawings in the motorcycle side view, and Fig. 5 is 5-5 sectional drawings among Fig. 1.

As seen Fig. 5 is communicated with sucking pipe 70 between air-strainer 56 and the suction port 52.Make heavy wall 74 structures around the open front 72 of sucking pipe 70, the middle part is a bellows 76, and the bellows back makes heavy wall 78 structures, and the filtration ante-chamber 82 of air-strainer 56 is stretched in heavy wall 78 rear ends 80.Sucking pipe 70 is connected with the filtration ante-chamber 82 of air-strainer 56, and its opening end 84 utilizes heavy wall 78 to seal.

Open front 72 is inserted the opening end 88 of air-breathing notch board 86 back to heavy wall 74, and air-breathing flange 86 is formed at car body cover 48, inserts the edge portion of opening end 88 in heavy wall 74 peripheral groove, with chimeric mutually under the sealing state.

The oblique under shed of open front 72 front ends, the place ahead of open front 72 and car body cover side gusset 90 fronts form the mazy type air channel, and gusset 90 is connected as a single entity with air-breathing notch board 86, and outwards outstanding.Be provided with the side gusset 92 of ventilating board 50 simultaneously, this gusset 92 is outstanding towards car body cover direction.

As Fig. 3, the air that enters air-strainer 56 filtration ante-chambers 82 enters through filter element 94 and filters back cavity 96, supplies with Carburetors 54 by Taper Pipe 98.

As Fig. 1 and Fig. 3, it is nearby top to open front (with reference to Fig. 4) that suction port 52 is located at foot treadle 36.As shown in Figure 1, make the wind-guiding curved surface around the suction port 52 in the side ventilating board 50, promptly the notch board part 100.

Fig. 6 is for representing the figure of left side ventilating board 50 from the place ahead, Fig. 7 is 7-7 sectional drawings among Fig. 1.As seen, the preceding upper end of side ventilating board 50 forms boss 102 inwards among the figure, and by it is inserted in car body cover 48 matching holes 104, side ventilating board 50 can be fixed on the outside (Fig. 7) of car body cover 48.The rear end of side ventilating board 50 is fixed on the car body cover 48 with screw 103.

As Fig. 7, the boss 106 usefulness bolts 110 of car body cover 48 bottoms are fixed in the outstanding support 108 in 38 next doors, main car frame rear portion.

The following describes the effect of this example.As Fig. 1 and Fig. 5, air enters aspirating air pipe 70 from suction port 52, flows into to filter in the ante-chamber 82.At this moment because the aperture position of suction port 52 on foot treadle 36, so the water that spatters up from the road surface is blocked by foot treadle.Therefore be difficult to be splashed into water in the suction port 52.

Even enter water in the suction port 52, also can be blocked by the maze-type structure of car body cover side gusset 90 and ventilating board side gusset 92 compositions, be difficult to enter in the air-strainer 56.And this mazy structure forms easily, and side ventilating board 50 is fixed on the car body cover from the outside.

Before air passageways is not located at luggage box 42, and the intakeport pipeline is located at its below, and the place ahead that can make luggage box 42 therefore can be luggage box 42 space enlargement to helmet and so on degree of article greatly of packing near car body cover 48.Effectively utilize the unemployed dead angle of car body cover 48 the insides, luggage box 42 belows in addition, improved space availability ratio.

Be fixed on the car body cover 48 so easy formation intakeport and mazy type air passageways from the outside by side ventilating board 50.In addition, because sucking pipe 70 has adopted bellows 76, so even air filtering equipment 56, also can improve the shock resistance of sucking pipe 70 itself and connected element thereof along with cluster engine vibrations.

The heavy wall 74 of open front 72 has adopted plug-type Placement with the joint of opening portion 88, becomes simple so connect, and has improved working efficiency, has reduced number of spare parts.Therefore can reduce cost.

The present invention is not limited to this example, can be applied to various situations.For example: open front can be fixed on the foot treadle 36 or on the luggage box 42, and can connect the plug-in type that replaces heavy wall 74 with bolt and connect.

Claims

1. the suction means of a light two-wheeled motor vehicle, below-seat is provided with the low and flat type foot treadle, the car body cover wraps in the inside to the luggage box of below-seat, and be connected with foot treadle from the top, the light suction means of wheeled motorcycle down of the cluster engine that comprises motor is installed in the car body cover, and it is characterized in that: the suction port of engine air supply systems is located on the foot treadle car body cover side nearby.

2. as the suction means of the light two-wheeled motor vehicle of claim 1 narration, it is characterized in that: in car body cover bottom, the lid part of another body is installed in the outside that comprises air inlet parts, on this lid part, be provided with the opening end that is communicated with the suction port of car body cover forward, make the labyrinth form structure for connecting this opening end that covers part and the air passageways of car body cover suction port, certain intervals, interlaced overlapping gusset are arranged before and after being provided with, gusset is integral with ventilating board and car body cover respectively, and to side extending projection.