CN1721686A - Engine - Google Patents

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Publication number
CN1721686A
CN1721686A CN 200510082485 CN200510082485A CN1721686A CN 1721686 A CN1721686 A CN 1721686A CN 200510082485 CN200510082485 CN 200510082485 CN 200510082485 A CN200510082485 A CN 200510082485A CN 1721686 A CN1721686 A CN 1721686A
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CN
China
Prior art keywords
air
combination member
motor
axle bush
strainer
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Granted
Application number
CN 200510082485
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Chinese (zh)
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CN100357588C (en
Inventor
西泽和也
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Yamaha Motor Co Ltd
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Yamaha Motor Co Ltd
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Publication date
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Publication of CN1721686A publication Critical patent/CN1721686A/en
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Publication of CN100357588C publication Critical patent/CN100357588C/en
Expired - Fee Related legal-status Critical Current
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/16Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
    • F02M35/162Motorcycles; All-terrain vehicles, e.g. quads, snowmobiles; Small vehicles, e.g. forklifts

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

To provide an engine capable of efficiently processing drain gathered in an air cleaner with a simple structure.In this engine, in which a bottom part 21b of a secondary side chamber B of the air cleaner 16 communicates with engine side intake ports 6a and 6b via a joint member 9. A cylindrical boss part 21f is integrally formed in the bottom part 21b so as to extend in the vertical direction. A cylindrical joint member 9 is fitted and installed in the boss part 21f, and is penetrated in the radial direction through the joint member 9 and the boss part 21f. A plurality of drain holes 9g, 21g and 9h, 21h for connecting the bottom part 21b with the intake ports 6a and 6b, are formed in mutually separate positions.

Description

Motor
Technical field
The present invention relates to motor, the subsidiary combustion chamber of air-strainer (secondarychamber) bottom is connected with the suction port of motor by combination member in this motor, relate in particular to draining and handle structure, the draining that wherein accumulates in air filter bottom section is drawn in the suction port that will handle.
Background technique
Usually, motorcycle engine has a gas handling system, and this gas handling system makes the subsidiary combustion chamber of air-strainer be connected with the suction port of motor by combination member.
Often accumulate in the bottom of air-strainer as the draining of liquid fuel or fuel oil and so on, then this draining of gathering just suck will the gas handling system of burning in.Such draining is handled usually by realize connecting tube (for example, with reference to the patent document JP-U-S61-147361) with air filter bottom section and gas-entered passageway connection.
Summary of the invention
The problem to be solved in the present invention
Yet, in aforesaid conventional gas handling system, be used to be communicated with using connecting tube of air filter bottom section and gas-entered passageway as separate part, complex structure and increased the quantity of parts not only, and have lower draining treatment effeciency.
In view of aforementioned environment is made the present invention, therefore the purpose of this invention is to provide a motor, wherein can handle draining in its air-strainer effectively with simple structure.
The mode that addresses this problem
Claim 1 of the present invention provides a motor, this motor makes the bottom of the subsidiary combustion chamber of air-strainer be connected with the suction port of motor by combination member, wherein the bottom of the subsidiary combustion chamber of this air-strainer forms with the cylindrical boss of extending in vertical direction is whole, cylindrical combination member is installed and is assemblied in this axle bush, and combination member and axle bush are formed with diametrically and pass with spaced relation, several weep holes that the bottom is communicated with suction port.
In the present invention, each cylinder is provided with two weep holes or the weep hole more than three, and for example they can be each other with equal angles at interval.
Claim 2 of the present invention provides claim 1 described motor, wherein the bottom of the subsidiary combustion chamber of air-strainer have the conflict prevent the part and several bumps, this conflict prevents that part is used to avoid and the conflicting of car inner piece, this bump prevents part protuberance downwards with respect to conflict, and weep hole is to locate with the corresponding mode of bump.
Claim 3 of the present invention provides claim 1 or 2 described motors, wherein axle bush is formed with the slit that extends to the axle bush upper end from corresponding weep hole, combination member is formed with the positioning convex that is used for the slit cooperation, and when positioning convex cooperated with slit, the weep hole of axle bush was corresponding with the weep hole of combination member.
Claim 4 of the present invention provides claim 3 described motor, wherein combination member is formed with the band localization part that is used for the fixing belt location, this fixing belt is used for combination member is fixed to the motor lateral members, and when the positioning convex of combination member cooperated with slit, this fixing belt pointed to and is used for fastening prescribed direction.
The invention effect
According to claim 1 of the present invention, combination member is installed and is assembled in the axle bush, the bottom integrated of this axle bush and air-strainer forms and extends in vertical direction, and combination member and axle bush all are formed with several weep holes that pass with spaced relation diametrically.So the draining that accumulates in the bottom directly is drawn in the suction port by weep hole.Compare with the conventional method of using connecting tube, this can reduce the quantity of parts with simple structure, and allows draining effectively to handle.
In addition, several weep holes form with spaced relation, for example equal angles at interval toward each other.No matter the attitude of vehicle how, this all allows draining reliably to handle.Just, under the situation of former and later two weep holes, for example, when vehicle quickened, draining was from back weep hole sucking-off, when vehicle deceleration, and weep hole sucking-off in the past.
In the described the present invention of claim 2, the bottom of air-strainer is formed with the conflict that is used to avoid conflicting with the car inner piece and prevents part, and in the part that does not clash with the car inner piece, bump prevents part protuberance downwards with respect to conflict.So, may reduce the bottom and avoid simultaneously clashing, and under the situation that does not increase the air-strainer height, increase its capacity with the car inner piece.In addition, to locate this weep hole with the corresponding mode of bump that prevents the downward protuberance of part with respect to conflict.So, can discharge the draining that accumulates in the ridge office effectively.
In the described the present invention of claim 3, axle bush is formed with the slit that extends to its upper end from weep hole, this combination member is formed with and is used for and positioning convex that this slit cooperates, and when positioning convex cooperated with slit, the weep hole of axle bush was corresponding with the weep hole of combination member.So, combination member simply installed and be assembled to allow the weep hole of two members to locate toward each other in the axle bush, thereby help their assembly working.
In the described the present invention of claim 4, when the positioning convex of combination member cooperated with slit, fixing belt pointed to and is used for fastening prescribed direction.So, combination member is inserted and is installed to the fastening work that can make fixing belt in the axle bush simply become easy.
Accompanying drawing is briefly described
Accompanying drawing 1 is the side view of the set precursor framework of gas handling system;
Accompanying drawing 2 is part sectional side views of the air-strainer of this gas handling system;
Accompanying drawing 3 is planimetric maps of this gas handling system;
Accompanying drawing 4 is sectional side views of the wind ingress pipe that travels of this gas handling system;
Accompanying drawing 5 is sectional side views of the combination member of air-strainer.
Realize optimal mode of the present invention
Below with reference to accompanying drawings the preferred embodiments of the present invention are described.
Accompanying drawing 1 to 5 has illustrated the described motor of embodiments of the invention, and wherein: accompanying drawing 1 is the side view of the set precursor framework of gas handling system; Accompanying drawing 2 is part sectional side views of the air-strainer of this gas handling system; Accompanying drawing 3 is planimetric maps of this gas handling system; Accompanying drawing 4 is sectional side views of the wind ingress pipe that travels of this gas handling system; Accompanying drawing 5 is sectional side views of the combination member of air-strainer.Incidentally, word as used herein " preceding ", " back ", " left side " and " right side " mean from being sitting in the angle observation of the driver on the driver's seat.
In the accompanying drawings, the precursor framework of reference character 1 expression motorcycle.This precursor framework 1 comprises head pipe 2, a pair of left and right sides main frame 3 and a pair of left and right sides underframe 4, this pipe is positioned at the front end of car body, this main frame outwards stretches at vehicle-width direction, simultaneously from the beginning manage 2 and be tilted to down extension, this underframe is tilted to down extension from the front end of the lower surface of main frame 3, thereby and the space between the main frame 3 become bigger backward.
Left and right sides main frame 3 is rectangular tubes, and has the long rectangular shape of Vertical direction, and just from its cross section, its height is greater than its width.
Front fork 5 is managed 2 rotatably supports by head, thus left-right rotation, to turn to.This front fork 5 is made up of fork body 5a, 5a about connecting by last lower support frame.Be arranged on this steering shaft between lower support frame and manage 2 rotatably supports by head.Lower end and the upper end of fork body 5a, 5a about front-wheel and driving handle (not shown) are separately positioned on, and pitch between the body about being arranged on.
Motor 6 suspends and is bearing between the back body framework (not shown) of left and right sides main frame 3 and underframe 4 and vehicle.Motor 6 is installed and is made its cylindrical cylinder body, cylinder head, end cap etc. all be exposed to the outside between main frame 3, underframe 4 and the back body framework.
Motor 6 is V-type 4 Cylinder engines, and wherein corresponding axis 7a, the 7b of cylinder form V group (V-bank) before and after it.In this V group, left and right sides nose air intake 6a, 6a that is connected with front air cylinder and left and right sides suction port 6b, the 6b that is connected with rear cylinder are open up.
The vertically disposed substantially front and back of axis throttle valve body 8,8 is connected respectively on the upstream-end opening of front and back suction port 6a, 6b.Each throttle valve body 8 all is provided with the throttle valve 8a that is used to change its aisle spare.
Front and back throttle valve body 8 all is provided with the fuel injection valve of respective cylinder.This fuel injection valve 10 is arranged so that the rear side of their jetburner 10a towards suction valve, is used to open and close the opening of the firing chamber of leading to suction port 6a, 6b lower end.
This motor 6 comprises gas handling system 15.This gas handling system 15 comprises air-strainer 16 and a pair of ridden in left or right direction wind ingress pipe 17,17 that is connected with suction port 6a, 6b, and this ingress pipe is used for the wind that travels is imported to air-strainer 16.
This air-strainer 16 is arranged on the V group of motor 6 in the mode of the upstream-end opening of throttle valve body 8,8 before and after covering.This air-strainer 16 has the outward appearance that is similar to fuel tank.Observe from the cross side of vehicle, the roof 16c of air-strainer 16 distorts inclination gradually from antetheca 16a one side direction rear wall 16b one side, as shown in accompanying drawing 2.Simultaneously, observe from the top of vehicle, left and right sides sidewall 16d, the 16e of air-strainer 16 are narrower backwards at vehicle-width direction, as shown in accompanying drawing 3.Air-strainer 16 integral body are in trapezoidal shape basically.
Ridden in left or right direction wind ingress pipe 17 vehicle vertically on extend along left and right sides sidewall 16d, the 16e of air-strainer 16.This wind ingress pipe 17 that travels belongs to identical symplex structure, so will mainly describe the wind ingress pipe 17 that travels in left side.
The ambient air introducing port 17a of this wind ingress pipe 17 that travels is positioned at the front of nose air intake 6, and towards open front, slightly downwards with outside.This wind ingress pipe 17 that travels extends to the main combustion chamber A of air-strainer 16, the rear side of suction port 6a, 6b before and after this main combustion chamber is positioned at from outside air to inlet 17a.The ambient air outlet 17b that is formed on the rear end of the wind ingress pipe 17 that travels is communicated with the main combustion chamber A of air-strainer 16.
The mode of the shape of the outer side wall surface 3a of the main frame 3 of longer rectangle is provided with to meet vertically in the front portion of this wind ingress pipe 17 that travels.Just, ambient air introducing port 17a is arranged so that outer side wall surface 3a is mutually continuous with the preceding interior side-wall surface 31a of the wind ingress pipe 17 that travels.This allows outer side wall surface 3a to play the effect that the wind that travels is imported to the guider among the ambient air introducing port 17a.
Simultaneously, this wind ingress pipe 17 that travels is arranged so that outside air is positioned on the outside of fork body 5a of front fork 5 to inlet 17a.This allows outside air not pitched opening under the situation that body 5a stops to inlet 17a when vehicle front side is observed.Observe from the cross side of vehicle, this wind ingress pipe 17 that travels is provided with in the mode that the outside from vehicle-width direction covers the front and back combination member 9,9 of air-strainer 16.
Observe from the vehicle top, the mode that this wind ingress pipe 17 that travels is placed towards vehicle rear-side with the inboard on vehicle-width direction is obliquely installed.Simultaneously, observe from the cross side of vehicle, the top edge of this wind ingress pipe 17 that travels extends back to inlet 17a point-blank from outside air basically, greatly obliquely downwards towards extraneous air outlet slit 17b bending, its lower limb is upwards crooked gradually to protrude shape from start to finish to ambient air outlet 17b from outside air to inlet 17a simultaneously then.
Air-strainer 16 comprises air cleaner casing 18 and is used for the inboard of air cleaner casing 18 is limited to the element 19 of main combustion chamber A and subsidiary combustion chamber B.
This air cleaner casing 18 is divided into upper casing 20 and lower casing 21.The outer periphery of the division surface of upper casing 20 is formed with the groove 20a that extends at periphery, and the outer periphery of the division surface of lower casing 21 is formed with projection 21a, and this projection cooperates with groove 20a by seal ring 22.
Upper casing 20 and lower casing 21 separating but airtight mode be coupled to each other by a plurality of fixing bolts 23, this bolt is inserted in the nut 24 with the peripheral edge that predetermined interval passes upper casing 20, this nut is placed in the fitting surface of lower casing 21 by insert molding.The gap recess 20b of upward opening is formed in the appropriate section of upper casing 20 towards bolt 23.
Bottom 21b and bottom, back 21c before lower casing 21 has, swell downwards below preceding bottom 21b this bottom, back.Preceding bottom 21b and bottom, back 21c are limited by partition wall 21e.
The wind that travels inlet 21d is formed on the left and right sides of this bottom, back 21c.The ambient air outlet 17b of wind ingress pipe 17 of travelling is connected with the airtight mode and the wind that the travels 21d that enters the mouth by cylindrical communication member 25.
Element 19 has following structure: wet type filter paper 26 is placed and is fixed among box-shaped part (casesection) 19a, this box component forms square tube shape, thereby the division surface flange portion 19b that covers among the back bottom 21c of lower casing 21 forms along the outer periphery of box-shaped part 19a, and forms whole with it.
Flange portion 19b is inserted between the division surface of upper casing 20 and lower casing 21.Flange portion 19b is fixed on the lower casing 21 with upper casing 20, removably front, center and back left end and back right-hand member is fixed with three bolts 27.
Element 19 is horizontally installed in the upper shed of back bottom 21c of lower casing 21, thus filter paper 26 basic horizontal.This element 19 blocks the upper shed of bottom, back 21c.
Main combustion chamber A be formed on by the back bottom 21c of element 19 and below thereof around the space in.Simultaneously, subsidiary combustion chamber B be formed on by the upper casing 20 of element 19 and top thereof and preceding bottom 21b around the space in.A compares with main combustion chamber, and most of parts of subsidiary combustion chamber B are positioned at element 19 fronts far away.
The capacity of subsidiary combustion chamber B is about 4 to 5 times of main combustion chamber A.Especially, for the large-duty engine that for example surpasses 1000cc, the capacity of main combustion chamber A and subsidiary combustion chamber B is set to about 2.3 liters and about 10 liters respectively.
The wind ingress pipe 17 that travels is configured with base component 30 and shading member 31, this base component is made of resin, and be positioned at the inboard on vehicle-width direction, and this shading member is made by aluminum alloy and to be fixed on the base component 30 in the mode that covers it on the vehicle-width direction from the outside.The surface of this shading member 31 for example is used to improve outward appearance through gloss finish.
Be formed with the cross section of base component 30 side's of basically forming U-shapeds of ambient air outlet 17b.This shading member 31 is made up of preceding column part 31a and body portion 31b, and this preceding column part is formed with ambient air introducing port 17a, and this body portion basically forms from outer ring around base component 30 in the mode of semi-ellipsoidal cross section.This shading member covers base component 30, makes to see it from the outside.
The wind ingress pipe 17 that travels comprises narrowed portion 34, resonator 35 and water discharging part 36, this narrowed portion is used to increase the flow velocity that enters air, resonator is used to absorb the inflow noise by the preset frequency that enters the air generation, and water discharging part is used for entering the rainwater discharge of conduit.The structure of these parts will be described below.
Main as shown in accompanying drawing 4, the wind ingress pipe 17 that travels comprises front portion 32 and rear portion 33, and this front portion has outside air to inlet 17a, and the aisle spare at this rear portion is less than anterior 32.The narrowed portion 34 that is used for aisle spare is narrowed down be formed on anterior 32 and rear portion 33 between borderline region.
Form this narrowed portion 34 by the wall 30b that narrows down that the protuberance from this roof towards diapire 30c one side is set on its roof 30a one side in base component 30.Just this narrowed portion 34a is formed in the lower end and the space between the diapire 30c of the wall 30b that narrows down.This wall 30b that narrows down has reduced the aisle spare anterior 32 gradually from outside air road inlet 17a to narrowed portion 34.
Resonator 35 is constructed as follows: the resonant space 35a with predetermined volumes forms by the roof 30a and the wall 30b that narrows down.This resonant space 35a is communicated with the inboard of conduit by the connecting port 35b among the wall 30b that narrows down that is formed on rear portion 33 1 sides.
Rear portion 33 whole formation of partition walls 30d and base component 30.The rear portion 30b ' that this partition walls 30d is arranged essentially parallel to the wall 30b that narrows down extends, and is bowed downward to then to be basically parallel to roof 30a extension.The aisle spare that leads to ambient air outlet 17b in this partition walls 30d permission rear portion 34 approximates the area of narrowed portion 34 greatly.
Partition walls 30d and diapire 30c form the branched bottom 36a that constitutes water discharging part 36.The upstream port 36b of branched bottom 36a is open towards the narrowed portion 34 in anterior 32, and its downstream port 36c is open towards the cylinder head of the back cylinder 7b of motor 6.
Narrowed portion 34, resonant space 35a and branched bottom 36a form by with shading member 31 base component 30 being covered.
The preceding bottom 21b of lower casing 21 and the axle bush 21f of cylinder are whole to be formed, and bottom 21b forms the bottom of the subsidiary combustion chamber B of air-strainer 16 before this, the firm axle bush 21f of this gas with front and back suction port 6a, 6b is corresponding and extension in vertical direction.The subsidiary combustion chamber B of air-strainer 16 is connected with throttle valve body (motor side member) 8 by combination member 9, and this combination member is installed respectively and is assemblied among the axle bush 21f.
Combination member 9 is made by the rubber of elastically deformable, and is configured with cylinder body 9a and assembling groove 9d, and this cylinder body has upper end open 9b and lower ending opening 9c, and this assembling groove has less than the diameter of cylinder body 9a and is formed on its outer circumference.
This combination member 9 is along with elastically deformable is inserted among the axle bush 21f, and assembling groove 9d and axle bush 21f are assembled together then.This allows combination member 9 immovably to locate in vertical direction, and is resisted against with air tight manner on the inner circumferential surface of axle bush 21f.
The suction tude 40 of opening is inserted and is assembled among the upper end open 9b vertically upward.The spring band 41 that these suction tude 40 usefulness are installed on the upper end open 9b is fastening and fixing.Simultaneously, throttle valve body 8 inserts and is assembled among the lower ending opening 9c.The fixing belt 39 that these throttle valve body 8 usefulness are installed on the lower ending opening 9c is fastening and fixing.
As shown in accompanying drawing 3, the preceding bottom 21b of lower casing 21 is formed with various conflicts and prevents part 42a to 42e, they upwards protuberance conflict with parts in the vehicle avoiding.This conflict prevents that part 42a to 42e is formed in the axle bush 21f zone on every side, and comprise for example harness (harness) mounting portion 42a, water pipe gap portion 42b, unnecessary air conditioning solenoid gap portion 42c, pressure regulator gap portion 42d and throttle valve motor gap portion 42e, this harness mounting portion extends longitudinally in the central authorities of vehicle-width direction, this water pipe gap portion intersects with the harness mounting portion, this unnecessary air conditioning solenoid gap portion is formed on the infall of harness mounting portion 42a and water pipe gap portion 42b, this pressure is regulated gap portion and is formed between the axle bush 21f of front and back, and this throttle valve motor gap portion is formed between right side, rear portion suction port 6b and the harness mounting portion 42a.
The preceding bottom 21b of lower casing 21 also is formed with a plurality of bumps 43, and this bump prevents that with respect to conflict part 42a to 42e from swelling downwards.Bump 43 is formed on not with the form that contacts with axle bush 21f, and the formation conflict prevents in the zone of part 42a to 42e.
Mainly shown in accompanying drawing 3 and 5, axle bush 21f and combination member 9 are formed with several to weep hole 9g, 21g and 9h, 21h respectively, these weep holes upwards pass in relative footpath around the central shaft of axle bush 21f, perhaps in other words, and the intervals of 180 degree at interval toward each other.Suction port 6a, the 6b of the subsidiary combustion chamber B of air-strainer 16 and motor 6 communicates with each other by this weep hole 9g, 21g and 9h, 21h.Be formed with three or more weep holes on each cylinder, in this case, they can preferably be spaced apart from each other with equal angles.
Weep hole 9g, 21g on one side is positioned on the front side and the outside of inclination with respect to axle bush 21f at vehicle-width direction, and weep hole 9h, 21h on the opposite side are on rear side that is positioned at inclination on the vehicle-width direction and inboard. Internal drainage hole 9h, 21h are provided with step, thereby are provided with lowlyer than outer weep hole 9g, 21g.Weep hole 9g, 21g and 9h, 21h are to locate with the bump 43 corresponding modes of downward protuberance.
Axle bush 21f is formed with slit 21i, the 21j that links to each other and extend to its top with weep hole 21g, 21h.On the other hand, the upper end part on the assembling groove 9d surface of combination member 9 is formed with the positioning convex that matches with slit 21i, 21j.This allows combination member 9 immovably to locate at a predetermined angle in a circumferential direction.
When positioning convex 9i, the 9j of combination member 9 with the slit 21i of axle bush 21f, when 21j matches, weep hole 21g, the 21h of axle bush 21f is corresponding with weep hole 9g, the 9h of combination member 9 respectively.
Being used for band localization part 9k with predetermined circle angular positioning fixing belt 39, to be formed on the lower ending opening 9c place of combination member 9 outstanding.When positioning convex 9i, the 9j of combination member 9 with the slit 21i of axle bush 21f, when 21j matches, the direction that the clamping bolt 39a of fixing belt 39 points to regulation is used for fastening.Just, this band localization part 9k allows fixing belt 39 to point to the direction that fastening clips can insert when being assembled into air-strainer 16 on the motor 6.
Next, will the function and the effect of present embodiment be described.
According to present embodiment, ridden in left or right direction wind ingress pipe 17 extends to the main combustion chamber A of the air-strainer 16 that is positioned at its back by front and back suction port 6a, 6b from the ambient air introducing port 17a that is positioned at nose air intake 6a front.This has guaranteed the length long enough of conduit, with installation be used to increase the inlet air flow velocity narrowed portion 34, be used for the water discharging part 36 of discharges such as rainwater and be used to reduce the resonator 35 of inflow noise.
In addition, this wind ingress pipe 17 that travels is provided with near front and back suction port 6a, 6b in the vertical, therefore can be with making improvements the motor design part of outward appearance on every side.This can be avoided making the wind ingress pipe 17 that travels to be exposed to the outward appearance of poor quality in the outside, even makes motor 6 be exposed to the exposed model of lateral outer side.
In the present embodiment, element 19 is cross setting or basic horizontal setting in air cleaner casing 18, so that its inboard is limited among main combustion chamber A and the subsidiary combustion chamber B, and the ambient air of this wind ingress pipe 17 that travels outlet 17b is connected to the main combustion chamber A that is positioned at element 19 belows.So the air that has imported in the wind ingress pipe 17 that travels flow to its top from element 19 belows.This makes the impurity as paper and so on that has entered main combustion chamber A be difficult to pull to the lower surface of element 19.Even they pull to the lower surface of element 19, also will freely fall at an easy rate, prevent from element 19, to stop up.As with in the above-mentioned conventional patent document, under the situation below air flow to it above the element, impurity for example can be retained on the element, with its obstruction.Cross at the air cross flow under the situation of element, can be easy to cause stop up.
In the present embodiment, main combustion chamber A is positioned at element 19 belows, and subsidiary combustion chamber B is arranged on element 19 fronts out and away.This can guarantee the needed capacity of subsidiary combustion chamber B, and makes the minimized height of air-strainer 16, reduces the restriction in air-strainer 16 designs.In other words, under the situation above subsidiary combustion chamber B is positioned at main combustion chamber A, therefore the height of whole air-strainer increases.This can cause the capacity of subsidiary combustion chamber and the restriction in the design.
In the present embodiment, the ambient air introducing port 17a of ridden in left or right direction wind ingress pipe 17 pitches the outside of body 5a about being positioned on the vehicle-width direction.This can prevent that front fork 5 from playing the effect that stops that the wind that travels imports, and strengthens the efficient that air enters.
In the present embodiment, the wind ingress pipe 17 that travels is obliquely installed towards rear view of vehicle in the mode that tightens in the inner part at vehicle-width direction.So this wind ingress pipe 17 that travels is connected on the main combustion chamber A of air-strainer 16 with mild angle, and be communicated with it, the channel resistance that this has reduced to enter air stream makes air stream smooth and easy.
In the present embodiment, the travel front portion of wind ingress pipe 17 is provided with in the mode of the outer side wall surface 3a shape of following main frame 3.So this outer side wall surface 3a plays the effect that the wind that travels is imported to the guider in the wind ingress pipe 17 that travels.By this way, the outer side wall surface 3a of main frame 3 can be used to improve intake efficiency effectively.
In the present embodiment, ridden in left or right direction wind ingress pipe 17 covers the combination member 9 that air-strainer 16 and corresponding suction port 6a, 6b are communicated with from transverse side, thereby prevents to see combination member 9, has prevented outward appearance of poor quality.
According to present embodiment, this wind ingress pipe 17 that travels comprises resonator 35, and this resonator makes connection mouth 35b be communicated with catheter interior.Compare with the conventional resonator that install the outside, this can prevent the outward appearance of poor quality and the installing space of increase.
In the present embodiment, narrowed portion 34 is formed in the front portion 32 and the borderline region between the rear portion 33 of the wind ingress pipe 17 that travels, and the resonant space 35a of resonator 35 forms by the wall 30b that narrows down that effective use constitutes narrowed portion 34.So, can near the dead angle that forms in the wind ingress pipe 17 that travels of narrowed portion 34 resonator 35 be set by effective use.This can reduce inflow noise, makes the wind ingress pipe 17 that travels obtain satisfactory appearance and function simultaneously.
In the present embodiment, narrowed portion 34 is formed on roof 30a one side of the base component 30 of the wind ingress pipe 17 that travels, and is formed on diapire 30c one side at rear portion 33 towards the branched bottom 36a of cylinder head.So rainwater is discharged by branched bottom 36a with the part of the wind that travels, this part passage that distinguished and admirable mistake is narrowed down by the narrowed portion on the passage downside 34 that travels.This can discharge rainwater reliably.This part of discharging from branched bottom 36a travelled air cooling cylinder head has improved cooling performance.
In addition, the bumps such as rainwater that entered the wind ingress pipe 17 that travels are positioned at the wall 30b that narrows down of the narrowed portion 34 of passage upside, are dropped on the diapire 30c, and are discharged to the outside by branched bottom 36a.By this way, can be effectively and discharge rainwater reliably.
In the present embodiment, the wind ingress pipe 17 that travels is configured with the base component that is positioned on the inboard 30 and is positioned at shading member 31 on the outside.So the wind ingress pipe 17 that travels can fit together them simply then and produces by separately making member.Another advantage is, can improve the degrees of freedom of profile aspect.
In the present embodiment, base component 30 is formed from a resin, and shading member 31 is made by aluminum alloy.So, can be by making narrow down wall 30b and partition walls 30d and base component 30 whole formation, and with shading member 31 it is covered, narrowed portion 34, resonator 35 and branched bottom 36a formed.
In addition, shading member 31 is used to improve the whole wind ingress pipe 17 that travels, or even makes motor 6 be exposed to the outward appearance of the model of lateral outer side through surface treatment.
According to present embodiment, the preceding bottom 21b of the subsidiary combustion chamber B of air-strainer 16 is formed with the cylindricality axle bush 21f that extends in vertical direction, combination member 9 is installed and is assemblied among the axle bush 21f, and this combination member 9 and axle bush 21f are formed with pass diametrically several to weep hole 9g, 21g and 9h, 21h respectively.So the draining at 21b place, bottom directly sucks among suction port 6a, the 6b by weep hole 9g, 21g and 9h, 21h before accumulating in.Compare with the conventional method of using connecting tube, this allows to carry out draining efficiently with simple structure and handles.
In addition, each cylinder all is formed with two pairs of weep holes, they with the positioned at intervals of 180 degree relative to each other on the outside that tilts and on the inboard that tilts.No matter the attitude of vehicle how, this all allows draining to suck in the gas handling system reliably.When vehicle quickened, draining was moved backward, and when vehicle deceleration, draining moves forward, when turning round towards the outer side shifting at turning.In the present embodiment, draining sucks in the gas handling system by weep hole, and this weep hole is positioned at draining on its side of moving.
In the present embodiment, the preceding bottom 21b of air-strainer 16 is formed with conflict and prevents part 42a 42e, conflicts with the car inner piece avoiding.So bottom 21b avoids simultaneously conflicting with various car inner pieces, and under the situation of the height that does not increase air-strainer 16, increases the capacity of its cleaning (secondary) side before may reducing.
In addition, preceding bottom 21b also is formed with bump 43, and this bump prevents that with respect to conflict part 42a to 42e from swelling downwards, and weep hole 9g, 21g and 9h, 21h are positioned at and this bump 43 corresponding positions.So for more effectively draining processing, balling-up is in the draining at 21b place, preceding bottom at an easy rate.
In the present embodiment, axle bush 21f is formed with slit 21i, 21j, this slit links to each other with weep hole 21g, 21h to renew and extends its top, combination member 9 is formed with and is used for the positioning convex 9i, the 9j that match with slit 21i, 21j, and when positioning convex 9i, 9j with slit 21i, when 21j matches, weep hole 21g, the 21h of axle bush 21f is corresponding with weep hole 9g, the 9h of combination member 9 respectively.So weep hole 9g, the 21g and 9h, the 21h that combination member 9 are inserted and is assembled to these two members of permission among the axle bush 21f locate toward each other, thereby help their assembly working.
In the present embodiment, as positioning convex 9i, 9j and the slit 21i of combination member 9, when 21j matches, the clamping bolt 39a of fixing belt 39 points to and is used for fastening prescribed direction.So, combination member 9 is inserted and is fixed to the fastening work that can make fixing belt 39 among the axle bush 21f simply become easy.
Reference numeral is described
6: engine
6a, 6b: air inlet
9: combination member
9g, 9h: osculum
9i, 9j: positioning convex
9k: localization part
16: air-strainer
21b: preceding bottom
21f: axle bush
21g, 21h: weep hole
21i, 21j: slit
39: fixing belt
42a to 42e: conflict prevents part
43: bump
A: main combustion chamber
B: subsidiary combustion chamber

Claims (4)

1. motor, wherein the bottom of the subsidiary combustion chamber of air-strainer is connected with the suction port of motor by combination member, it is characterized in that, the bottom of the subsidiary combustion chamber of air-strainer forms with the cylindrical boss of extending in vertical direction is whole, cylindrical combination member is installed and is assemblied in this axle bush, and combination member and axle bush are formed with several weep holes that passes with spaced relation diametrically, so that the bottom is communicated with suction port.
2. motor as claimed in claim 1, it is characterized in that, the bottom of the subsidiary combustion chamber of air-strainer has conflict and prevents part and several bumps, this conflict prevents that part is used to avoid conflict with the car inner piece, this bump prevents part protuberance downwards with respect to this conflict, and weep hole is to locate with the corresponding mode of bump.
3. motor as claimed in claim 1 or 2, it is characterized in that, this axle bush is formed with some slits that extend to the axle bush upper end from the respective row water hole, this combination member is formed with and is used for the positioning convex that cooperates with these slits, and when these positioning convex cooperated with slit, the weep hole of axle bush was corresponding with the weep hole of combination member.
4. motor as claimed in claim 3, it is characterized in that, combination member is formed with the band localization part that is used for the positioning and fixing band, this fixing belt is used for combination member is fixed to the lateral members of motor, and when the positioning convex of combination member cooperated with slit, this fixing belt pointed to and is used for fastening prescribed direction.
CNB2005100824854A 2004-07-05 2005-07-05 Engine Expired - Fee Related CN100357588C (en)

Applications Claiming Priority (2)

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JP2004198541 2004-07-05
JP2004198541A JP2006017091A (en) 2004-07-05 2004-07-05 Engine

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CN100357588C CN100357588C (en) 2007-12-26

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CN101235774B (en) * 2007-01-31 2011-05-18 本田技研工业株式会社 Air filter cleaner structure for two-wheel motor vehicle
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CN100427747C (en) * 2006-11-15 2008-10-22 重庆隆鑫工业(集团)有限公司 Reversing air duct of air filter
JP4846539B2 (en) * 2006-11-24 2011-12-28 ヤマハ発動機株式会社 vehicle
JP2008128154A (en) * 2006-11-24 2008-06-05 Yamaha Motor Co Ltd Vehicle
US10724482B2 (en) 2018-02-05 2020-07-28 Honda Motor Co., Ltd. Air cleaner connecting tube structure
JP7208856B2 (en) * 2019-05-14 2023-01-19 カワサキモータース株式会社 Air intake duct drainage structure

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JP3614653B2 (en) * 1998-04-16 2005-01-26 本田技研工業株式会社 Air cleaner drain structure
JPH11351084A (en) * 1998-06-04 1999-12-21 Toyo Roki Mfg Co Ltd Air cleaner draining structure
JP2000282982A (en) * 1999-03-31 2000-10-10 Honda Motor Co Ltd Air cleaner
JP3464969B2 (en) * 2000-08-15 2003-11-10 川崎重工業株式会社 Air cleaner for internal combustion engine

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Publication number Priority date Publication date Assignee Title
CN101235774B (en) * 2007-01-31 2011-05-18 本田技研工业株式会社 Air filter cleaner structure for two-wheel motor vehicle
CN104732861A (en) * 2015-02-06 2015-06-24 淮阴工学院 Technology for making engine physical anatomy teaching tool

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JP2006017091A (en) 2006-01-19

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