CN1199817A - Air suction device of engine for motor-driven two-wheeler and tricycle - Google Patents

Air suction device of engine for motor-driven two-wheeler and tricycle Download PDF

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Publication number
CN1199817A
CN1199817A CN98105445.5A CN98105445A CN1199817A CN 1199817 A CN1199817 A CN 1199817A CN 98105445 A CN98105445 A CN 98105445A CN 1199817 A CN1199817 A CN 1199817A
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CN
China
Prior art keywords
motor
aforementioned
air
induction chamber
tricycle
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Granted
Application number
CN98105445.5A
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Chinese (zh)
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CN1085299C (en
Inventor
锅谷真
沼田英彦
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Publication of CN1199817A publication Critical patent/CN1199817A/en
Application granted granted Critical
Publication of CN1085299C publication Critical patent/CN1085299C/en
Anticipated expiration legal-status Critical
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
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B61/00Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
    • F02B61/02Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Characterised By The Charging Evacuation (AREA)

Abstract

A suction device of an engine for an engine-driven bicycle or tricycle is disclosed. The structure is that an air cleaner A c is installed on a power unit U p which can be asway supported on a car frame 1 up and down. A carburetor C a is arranged on the front of the air cleaner A c, and a suction chamber C m which is communicated with the middle portion of an air intake duct 15 is arranged on the lateral side of the carburetor C a. Thus, the suction chamber which is branched and connected on the air intake duct of the engine is made into an outline which can ensure full capacity, and does not generate hindrance for the up and down swinging of the power unit.

Description

The suction means of the motor in motor-driven two, the tricycle
The present invention relates to the suction means of the motor of motor-driven two, tricycle, above-mentioned two, three-wheeled motor vehicle swings up and down power unit and is bearing in possibly on the car body frame, and above-mentioned power unit has motor and the driving wheel that is connected with this motor by transmission device.
In the prior art, on two-wheeled car body frame, swing up and down possibly suspension and power unit, this power unit has motor and is connected driving wheel on this motor by transmission device, by making induction chamber be communicated in the downstream of the Carburetor of the air suction way that is connected with its motor, so that air-breathing pack completeness is improved, in the suction means of as above motor, induction chamber is fixed on the power unit, and its induction chamber can be swung (with reference to opening flat 3-51162 communique in fact) integratedly with power unit.
But, though in so two-wheeled suction means, motor and not relative movement of induction chamber are arranged, the external force of bending etc. can not act on their the air-breathing discrepancy pipe of continuing, can ensure the flowing but also can suppress the advantage of the deterioration of its air-breathing discrepancy pipe effect of slyness of mixed gas, but,, need to avoid its induction chamber and car body frame and the interference of setting up accessory thereon because induction chamber and power unit swing up and down together.Therefore, exist the problem of the restriction of the essential volume of being guaranteed induction chamber and the shape of car body frame, the profile of accessory etc.
Because the present invention makes in view of such problem, its objective is provides the essential volume of not only guaranteeing induction chamber, but also can not be subjected to the suction means of motor of motor-driven two, the tricycle of aforementioned restriction.
In order to realize aforementioned purpose, the present invention adopts in the suction means of motor of the first following technological scheme, be suspended in power unit on the car body frame up and down swingably, aforementioned power unit has motor and is attached at driving wheel on this motor by transmission device, with sucking pipe that the suction inlet of aforementioned motor is communicated with in turn be connected Carburetor and air-strainer, branch out air-breathing discrepancy pipe from the intermediate portion of its sucking pipe, the air-breathing discrepancy pipe of induction chamber and its is communicated with, above-mentioned motor-driven two, in the suction means of the motor in the tricycle, aforementioned Carburetor is configured in the place ahead that is bearing in the air-strainer on the aforementioned power unit, the side that above-mentioned induction chamber is configured in its Carburetor is a feature, therefore, induction chamber can be when guaranteeing essential space, can also utilize air-strainer the place ahead dead space and be located on the power unit integratedly, even power unit carries out maximum swing, also can avoid car body frame and the part that is attached to the there to interfere.Bring restriction can for the shape of car body frame and the profile of accessory.
In order to achieve the above object, the present invention adopts the second following technological scheme: in the suction means of the motor in motor-driven two, the tricycle of aforementioned first technological scheme, becoming roughly same horizontal plane with the upper surface of the upper surface of aforementioned induction chamber and aforementioned air-strainer is feature, thus, induction chamber can not reach the top of air-strainer, and the space that can further effectively utilize air-strainer the place ahead is configured.
In order to reach aforesaid purpose, the present invention has adopted the 3rd following technological scheme: in the suction means of the motor of motor-driven two, the tricycle of aforementioned first technological scheme, being installed on the aforementioned sucking pipe with aforementioned induction chamber is feature, thus, can not need to install bracket that induction chamber uses etc., thereby reduce number of spare parts, help to reduce cost, and the external force of bending etc. can not act on the air-breathing discrepancy pipe, thereby can suppress the deterioration of the effect of this air-breathing discrepancy pipe.
In order to achieve the above object, the present invention has also adopted the 4th following technological scheme, in the suction means of the motor of motor-driven two, the tricycle of aforesaid first technological scheme, with the structure of free end fastening on aforementioned air-strainer aforementioned induction chamber is feature, thus, make the loading and unloading facilitation of induction chamber from the power unit, and, reduced the installation part that bolt part that induction chamber uses etc. is installed, helped to reduce cost.
Fig. 1 is the unitary side view of motor scooter type motor-driven cart.
Fig. 2 is the side view of two-wheeled rear wheel suspension portion.
Fig. 3 is the partial enlarged drawing of Fig. 2.
Fig. 4 is the 4-4 line transverse sectional view of Fig. 3.
Fig. 5 is the local longitudinal sectional view of the 5-5 line of Fig. 4.
Fig. 6 is the local longitudinal sectional view of the 6-6 line of Fig. 4.
Fig. 7 is the plan view (first variation) with power unit of induction chamber.
Fig. 8 is the plan view (second variation) with power unit of induction chamber.
Below, with reference to the accompanying drawings embodiments of the invention are described.
This embodiment is with the embodiment of the invention process when the two-cycle engine of motor scooter type motor-driven cart.Fig. 1 is a unitary side view of having equipped the motor scooter type motor-driven cart of device of the present invention.Fig. 2 is the side view of its trailing wheel suspended portion.Fig. 3 is the enlarged view of the part of Fig. 2.Fig. 4 is the 4-4 line transverse sectional view of Fig. 3.Fig. 5 is the local longitudinal sectional view of the 5-5 line of Fig. 4.Fig. 6 is the 6-6 line longitudinal sectional drawing of Fig. 4, below the explanation in " front and back " and " about " be for two-wheeled direct of travel.
In Fig. 1, Fig. 2, can support front wheel Wf in the front portion of the car body frame 1 of the motor scooter type motor-driven cart of representing with symbol V by front wheel frame 2 with turning to, can swing up and down ground 3 at the rear portion of car body frame 1 by pole 3 1Supporting power unit Up.Between the rear portion of the rear portion of this power unit Up and car body frame 1, connecting vibration damper 4.The major part of car body frame 1 is covered with by the car body cover of fixing on it 5, on the car body cover 5 on the aforementioned power unit Up, be provided with the article container 6 of the load thing that is used to accommodate safety helmet etc., on the opening of this article container 6, open and close and freely carrying the vehicle seat 7 that occupant's seat is taken advantage of.And this vehicle seat 7 can be put in article container 6 or take out the load thing from article container 6 by opening.
In addition, 8 is supports among Fig. 1, and 9 are provided in a side of the loading bracket at the rear portion of car body cover 5.
Aforementioned power unit Up has two stroke engine E and driving wheel Wr, this driving wheel Wr, be trailing wheel by transmission device T be connected that aforementioned motor E goes up and with this motor E interlock.Two stroke engine E is known motor, as shown among Fig. 5 its part vertically being blocked like that, its engine body 10 has cylinder 11 that extends along the vertical direction and the crank box 12 that is connected its underpart, in cylinder 11, slide up and down freely chimeric piston 13, on the wall of its engine body 10, form suction port 14, this suction port 14 and cylinder 11 and crank box 12 are communicated with, and are provided with needle spring plate valve 16 on this suction port 14.The lower end of sucking pipe 15, be that upstream extremity is connected on the inlet of suction port 14 integratedly by connecting bolt 17.And the air and fuel mixture that flows through sucking pipe 15 is supplied in the firing chamber of motor E by suction port 14 by driving valve by needle spring plate valve 16.The periphery of engine body 10 is covered with by guard shield 18.Connecting vent systems Ex in the front of engine body 10 on by the relief opening of opening, the circuitous engine body 10 of this vent systems Ex extends to the rear of engine body 10.
Aforementioned sucking pipe 15 extends to the back upper place above power unit Up anterior, its upper end, is upstream extremity with the outlet connection of Carburetor Ca and is connected.Aforementioned Carburetor Ca is configured in the front upper of power unit Up and has known structure, with the mixed gas that generates essential sky combustion sheet, adjusts flow, the aforementioned sucking pipe 15 of supply of its mixed gas by the open and close controlling that is located at its inner throttle valve.As usually, on the inlet 19 of Carburetor Ca, be communicated with and connecting the outlet (with reference to Fig. 6) of air-strainer Ac.
Aforementioned air-strainer Ac forms and is seen as the flat partially closed box shape of quadrangle, left and right directions from the side.It is positioned at the top of power unit Up and the rear of aforementioned Carburetor Ca and sucking pipe 15, the filter box-body 20 of this air-strainer Ac is made by forming synthetic resin, it is made of casing body 21 and Box Cover 22, the outer side surface of this casing body 21 is being opened mouthful, and this Box Cover 22 is used for opening on the outer side surface of closed box body 21 and thereon fastening with screw 23.Between casing body 21 and Box Cover 22, gripping tabular filter element 24, will be isolated into the not cleanroom 26 in its inboard cleanroom 25 and its outside in the filter box-body 20 by this filter element 24.The inlet of Carburetor Ca is communicated with outlet 27 in the open front of above-mentioned cleanroom 25.And the inner of air-breathing ingress pipe 28 is communicated with the rear portion of above-mentioned not cleanroom 26.The inlet of this air-breathing ingress pipe 28 faces toward the atmosphere opening by the fenestra 29 in Box Cover 22 upper sheds.Aforementioned Box Cover 22 has the extending portion 22 that extends to the place ahead from the Lower Half of the front of filter box-body 20 1, this extending portion 22 1Be covered with the outside of Carburetor Ca.
As Fig. 5 represents the most legibly, air-breathing gateway 31 openings are in the intermediate portion of sucking pipe 15, above-mentioned sucking pipe 15 is communicated with the suction port 14 of motor E and the outlet of Carburetor Ca, above-mentioned air-breathing gateway 31 is connected on the gateway 33 of induction chamber Cm by the air-breathing discrepancy pipe 32 that is made of rubber pipe, when motor E turned round, an air-breathing part that flows through sucking pipe 15 was come in and gone out in induction chamber Cm.This induction chamber Cm form the above-below direction shown in Fig. 3,4 for flat partially, fore-and-aft direction is grown, overlook the shape into く word shape, it has the essential volume of the pack effectiveness that is used to improve motor E, be configured in the place ahead of aforementioned air-strainer Ac and in the mode of the side that surrounds aforementioned Carburetor Ca, its first half 34 extends along left and right directions, and it latter half of 35 is extending along fore-and-aft direction.The top of this induction chamber Cm roughly is smooth, with form roughly same horizontal plane above the aforementioned air-strainer Ac, its front portion of latter half of 35 towards air-strainer Ac prolongs, the outer side surface of this induction chamber Cm and the outer side surface of aforementioned air-strainer Ac form roughly continuous plane, are positioned at the inboard of car body cover 5.
As shown in Figure 3, support 36 is prolonging downwards integratedly from the diapire front portion of induction chamber Cm, and its support 36 usefulness screws 39 are fastened on the aforementioned sucking pipe 15 and by this sucking pipe 15 and are supporting.As shown in Figure 6, the support plate 37 that is bent into the L shape on the diapire rear portion of induction chamber Cm is prolonging downwards integratedly, tip portion 37 along the horizontal expansion of this support plate 37, in conjunction with breaking away from fastening possibly in forked fastening portion 38 and locked, aforementioned fastening portion 38 stretches on the antetheca that is located at aforementioned air-strainer Ac integratedly.Therefore, induction chamber Cm is being supported integratedly by aforementioned sucking pipe 15 and air-strainer Ac, swings up and down with power unit Up.
Below, this embodiment's effect is described.
When driving motor E in order to turn round two-wheeled now, in compression that its piston 13 rises, the inhalation process, the air and fuel mixture of having adjusted by Carburetor Ca therefrom through sucking pipe 15, opened in the needle spring plate valve 16 inflow crank boxs 12 of valve.But, after this operation ends, when becoming malleation in the crank box 12, because aforementioned needle spring plate valve 16 closes valve, so, flowing of mixed gas in the sucking pipe 15 temporarily stops, because the pressure of the downstream portion of the inertia sucking pipe 15 that this mixed gas had uprises, the part of the mixed gas in this downstream portion flow in the induction chamber Cm by air-breathing discrepancy pipe 32 and is stored in the there.And, in compression below, the inhalation process because negative pressure needle spring chip valves 16 in the crank housings 12 when being driven valve, mixed gas in the induction chamber Cm flow in the sucking pipe 15 once more by air-breathing discrepancy pipe 32, and with from the mixed gas of Carburetor Ca interflow, be inhaled into the firing chamber of cylinder 11 then.Can improve the pack effectiveness of mixed gas thus.
Because the walking of two-wheeled V, power unit Up is around supporting point 3 1When teetering, sucking pipe 15, induction chamber Cm, Carburetor and air-strainer Ac move up and down with power unit Up, because induction chamber Cm is in the place ahead of air-strainer Ac and is accommodated in compactly in the space of sealing on the side right side of Carburetor Ca, be same horizontal plane roughly with Carburetor Ca top above it, and above can not reaching, so, even waving also the biglyyest, power unit Up can not interfere with car body frame 1 and the part that is installed on it.Because motor E and induction chamber Cm do not have relative movement, flexural load can not act on the air-breathing discrepancy pipe 32 that continues on them, can suppress the deterioration of the effect of air-breathing discrepancy pipe 32.Because induction chamber Cm is installed on the sucking pipe 15, so, there is no need on car body frame 1, to be provided with especially the bracket of the installation usefulness of its induction chamber Cm, can reduce number of spare parts, thereby help to reduce cost, and its induction chamber Cm releasably fastening in fastening portion 38, do not need the locating element of screw etc., its loading and unloading are easily.
With reference to Fig. 7 the 1st variation of the present invention is described, Fig. 7 represents is its variation, be the partial top view that the power unit of induction chamber Cm is housed, the identical symbol of mark on the member identical with previous embodiment.The shape of the induction chamber Cm of the 1st variation is different with the induction chamber Cm of previous embodiment with configuration, in the place ahead of air-strainer and the induction chamber Cm that is in the side of Carburetor Ca when overlooking, form identical く word shape with the induction chamber Cm of previous embodiment, opposite with previous embodiment is that it is being disposed by left and right symmetrically, and it latter half of 35 is extending along the right side side of Carburetor Ca.In addition, the top and air-strainer Ac of this induction chamber Cm roughly is in (not shown) on the same horizontal plane, and this point is identical with previous embodiment.
The suction means of the suction means of the 1st variation motor and the motor of previous embodiment plays a part equal and obtains same effect.
Below, with reference to Fig. 8 the second embodiment of the present invention is described.
What Fig. 8 represented is its variation, and it is the partial top view with power unit of induction chamber Cm, the identical symbol of mark on the member identical with previous embodiment.The induction chamber Cm's of the shape of the 2nd embodiment's induction chamber Cm and configuration and previous embodiment is different, in the place ahead of air-strainer Ac and be in the induction chamber Cm of the side of Carburetor Ca, form to overlook and be the open U word shape in rear, latter half of 35 left and right symmetricallies in its left and right sides are being formed, and are extending in the left and right sides of Carburetor Ca.In addition, the top and air-strainer Ac of this induction chamber of (not shown) Cm roughly is on the same horizontal plane, and this is identical with previous embodiment.
The suction means of the motor of the 2nd variation plays a part identical with the suction means of the motor of previous embodiment and obtains same effect.
More than, though inventive embodiment is illustrated, the present invention is not limited by embodiment, can realize all embodiments within the scope of the invention.For example, previous embodiment is with the situation of the invention process in two stroke engine, but also previous embodiment can be implemented on the motor of 4 strokes, in addition, induction chamber also can be installed on other the part such as transmission case of power unit, in the aforementioned embodiment, though induction chamber Cm is formed by the synthetic resin material, also its material with other can be formed.
According to first technical scheme of the present invention, in motor-driven two, the tricycle of air-breathing chamber is housed In the engine air-suction apparatus, be bearing on the aforementioned power part because aforementioned carburetor is configured in The place ahead of air filter, disposing aforementioned air-breathing chamber in the side of its carburetor, so, Necessary volume can be guaranteed in air-breathing chamber, can utilize again the dead sky in air filter the place ahead Between, and be located at integratedly on the power part, even power part carries out maximum swing, also can Interfere with car body frame and the part set up on it avoiding, can be to the shape of car body frame The profile of shape and accessory produces restriction.
In order to realize aforementioned purpose, according to the 2nd technical scheme of the present invention, aforementioned of the present invention On the basis of first technical scheme, above the top and aforementioned air filter of aforementioned air-breathing chamber Roughly be on the same level face, so air-breathing chamber can not reach the top of air filter, The dead space that can more effectively utilize air filter the place ahead is configured.
In order to realize aforementioned purpose, according to the 3rd technical scheme of the present invention, in aforementioned first scheme On the basis of putting down in writing, because aforementioned air-breathing chamber is installed on the aforementioned air-breathing pipe, so not Need the carriage for the special use that air-breathing chamber is installed, can reduce cost by reducing part, and And, can in the power of air-breathing discrepancy pipe effect bending etc., can not suppress its effect and degenerate.
In order to reach aforementioned purpose, it is in aforementioned first technology according to a fourth technical aspect of the present invention On the basis of scheme record, with the free end fastening of aforementioned air-breathing chamber at aforementioned air filter On, so, the loading and unloading of air-breathing chamber on power part are changed easily, and can also can be cut down The mounting parts of bolt component of using air-breathing chamber etc. is installed, can help to reduce cost.

Claims (4)

1. one kind motor-driven two, the suction means of the motor in the tricycle, it can be suspended in power unit (Up) on the car body frame (1) with swinging up and down, aforementioned power unit (Up) has motor (E) and is connected driving wheel (Wp) on this motor (E) by transmission device (T), with sucking pipe (15) that the suction inlet (14) of aforementioned motor (E) is communicated with in turn continuing Carburetor (Ca) and air-strainer (Ac), branch out air-breathing discrepancy pipe (32) from the intermediate member of its sucking pipe (15), induction chamber (Cm) is communicated with its air-breathing discrepancy pipe (32), as above constitute motor-driven two, the suction means of the motor in the tricycle, it is characterized in that, disposing aforementioned Carburetor (Ca) in the place ahead of air-strainer (Ac), disposing aforementioned induction chamber (Cm) in the side of its Carburetor (Ca), above-mentioned air-strainer (Ac) is supported on the aforementioned power unit (Up).
2. the suction means of the motor in motor-driven two, the tricycle as claimed in claim 1 is characterized in that, becomes roughly same horizontal plane above the top and aforementioned air-strainer (Ac) of aforementioned induction chamber (Cm).
3. the suction means of the motor of motor-driven two, tricycle as claimed in claim 1 is characterized in that aforementioned induction chamber (Cm) is installed on the aforementioned sucking pipe (15).
4. the suction means of the motor of motor-driven two, tricycle as claimed in claim 1 is characterized in that, with the free end fastening of aforementioned induction chamber (Cm) on aforementioned air-strainer (Ac).
CN98105445A 1997-05-19 1998-03-12 Air suction device of engine for motor-driven two-wheeler and tricycle Expired - Fee Related CN1085299C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12818897A JP3330057B2 (en) 1997-05-19 1997-05-19 Engine intake system for motorcycles and tricycles
JP128188/97 1997-05-19

Publications (2)

Publication Number Publication Date
CN1199817A true CN1199817A (en) 1998-11-25
CN1085299C CN1085299C (en) 2002-05-22

Family

ID=14978628

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98105445A Expired - Fee Related CN1085299C (en) 1997-05-19 1998-03-12 Air suction device of engine for motor-driven two-wheeler and tricycle

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JP (1) JP3330057B2 (en)
CN (1) CN1085299C (en)
IT (1) ITTO980317A1 (en)
TW (1) TW372592U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
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
CN102400771A (en) * 2010-09-15 2012-04-04 本田技研工业株式会社 Suction device of engine
CN105814303A (en) * 2014-04-15 2016-07-27 宝马股份公司 Intake device with formally integrated air guide intake duct

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525547A (en) * 1978-08-10 1980-02-23 Toyota Motor Corp Suction device of multicylinder internal combustion engine
JPS5943923A (en) * 1982-09-03 1984-03-12 Yamaha Motor Co Ltd Suction system for multi-cylinder engine

Cited By (6)

* Cited by examiner, † Cited by third party
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
CN102400771A (en) * 2010-09-15 2012-04-04 本田技研工业株式会社 Suction device of engine
CN102400771B (en) * 2010-09-15 2014-04-09 本田技研工业株式会社 Suction device of engine
CN105814303A (en) * 2014-04-15 2016-07-27 宝马股份公司 Intake device with formally integrated air guide intake duct
CN105814303B (en) * 2014-04-15 2019-06-25 宝马股份公司 Getter device with air guide suction road integrated in form
US10648434B2 (en) 2014-04-15 2020-05-12 Bayerische Motoren Werke Aktiengesellschaft Intake device with formally integrated air guide intake duct

Also Published As

Publication number Publication date
TW372592U (en) 1999-10-21
CN1085299C (en) 2002-05-22
JP3330057B2 (en) 2002-09-30
ITTO980317A1 (en) 1999-10-15
JPH10317977A (en) 1998-12-02
ITTO980317A0 (en) 1998-04-15

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