JP4523375B2 - Motorcycle air cleaner - Google Patents

Motorcycle air cleaner Download PDF

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Publication number
JP4523375B2
JP4523375B2 JP2004288094A JP2004288094A JP4523375B2 JP 4523375 B2 JP4523375 B2 JP 4523375B2 JP 2004288094 A JP2004288094 A JP 2004288094A JP 2004288094 A JP2004288094 A JP 2004288094A JP 4523375 B2 JP4523375 B2 JP 4523375B2
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Prior art keywords
air cleaner
filter
case half
case
disposed
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JP2006096311A (en
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裕 山倉
岳郎 渋川
雅徳 柴田
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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Priority to JP2004288094A priority Critical patent/JP4523375B2/en
Priority to DE200510044138 priority patent/DE102005044138B4/en
Priority to ITTO20050652 priority patent/ITTO20050652A1/en
Publication of JP2006096311A publication Critical patent/JP2006096311A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M7/00—Motorcycles characterised by position of motor or engine
    • B62M7/02—Motorcycles characterised by position of motor or engine with engine between front and rear wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
    • F02M35/0202—Manufacturing or assembling; Materials for air cleaner housings
    • F02M35/0203—Manufacturing or assembling; Materials for air cleaner housings by using clamps, catches, locks or the like, e.g. for disposable plug-in filter cartridges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/024—Air cleaners using filters, e.g. moistened
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/04—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
    • F02M35/162—Motorcycles; 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)
  • Manufacturing & Machinery (AREA)
  • Transportation (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Description

本発明は、自動二輪車のエアクリーナに関するものである。   The present invention relates to an air cleaner for a motorcycle.

シートの前方に配置した自動二輪車のエアクリーナが知られている（例えば、特許文献１参照。）。
実開昭６０−１６１６１８号公報（第６頁、第１図、第７頁、第２図） 2. Description of the Related Art A motorcycle air cleaner disposed in front of a seat is known (see, for example, Patent Document 1).
Japanese Utility Model Publication No. 60-161618 (page 6, FIG. 1, page 7, FIG. 2)

特許文献１の基本構成を簡単に説明する。
従来の自動２輪車のエンジン吸気装置は、燃料タンク１０の後端部底面に凹室１１を設け、凹室１１にエアクリーナケース１２の上半部１２ａを収納し、上半部１２ａにフイルタ１３を収納した構成である。 The basic configuration of Patent Document 1 will be briefly described.
In a conventional motorcycle engine intake system, a concave chamber 11 is provided on the bottom surface of the rear end of the fuel tank 10, the upper half 12a of the air cleaner case 12 is accommodated in the concave chamber 11, and a filter 13 is provided in the upper half 12a. It is the structure which accommodated.

しかし、特許文献１の自動２輪車のエンジン吸気装置では、フイルタ１３の点検整備を行う場合に、燃料タンク１０を取外し、アウトレット１５を４個、キャブレタ８から取外す必要があり、点検整備時の作業性は悪い。
また、エアクリーナケース１２では、上半部１２ａにフイルタ１３を収納し、下半部１２ｂにアウトレット１５を４個取付けたので、エアクリーナケース１２は大型になる。 However, in the engine intake device for a motorcycle disclosed in Patent Document 1, when the filter 13 is inspected and maintained, it is necessary to remove the fuel tank 10 and four outlets 15 from the carburetor 8. Workability is bad.
Further, in the air cleaner case 12, the filter 13 is accommodated in the upper half 12a and the four outlets 15 are attached to the lower half 12b. Therefore, the air cleaner case 12 becomes large.

本発明は、点検整備を行う際の作業性がよく、小型化を図った自動二輪車のエアクリーナを提供することを課題とする。   It is an object of the present invention to provide an air cleaner for a motorcycle that has good workability when performing inspection and maintenance and has been reduced in size.

請求項１に係る発明は、シートの前方にエアクリーナケースを配置し、このエアクリーナケース内に筒状のフィルタを配置した自動二輪車のエアクリーナにおいて、前記エアクリーナは、Ｖ型エンジンの上方に配置されており、前記エアクリーナは、上端が車体後方へ寄るように傾斜させてなる後傾吸気筒及び上端が車体前方へ寄るように傾斜させてなる前傾吸気筒を備え、この前傾吸気筒の後方に前記フィルタを配置されており、前記フィルタを車体後方から前方に向けて挿入するとともに、このフィルタの後方で係止手段を用いてエアクリーナケースに係止したことを特徴とする。 The invention according to claim 1, the air cleaner case is disposed in front of the seat, in the motorcycle air cleaner arranged a cylindrical full I filter inside the air cleaner case, the air cleaner is disposed above the V-type engine The air cleaner includes a rearwardly inclined intake cylinder that is inclined so that the upper end is inclined toward the rear of the vehicle body, and a forward inclined intake cylinder that is inclined so that the upper end is inclined toward the front of the vehicle body. are arranged the filter, is inserted toward the front of the full I filter from the rear of the vehicle body, characterized by being engaged with the air cleaner case with the locking means at the rear of this full I filter.

請求項２に係る発明では、請求項１において、前記エアクリーナケースは、上ケース半体、下ケース半体からなり、前記フィルタは、フィルタ保持部材を介して上ケース半体に取り付けられ、該フィルタ保持部材には外気流入管が取り付けられ、該外気流入管の先端が下方に向かって湾曲して延びており、該外気流入管の先端が、上ケース半体と下ケース半体の接続部よりも上方に位置させたことを特徴とする。 According to a second aspect of the present invention, in the first aspect, the air cleaner case includes an upper case half and a lower case half, and the filter is attached to the upper case half via a filter holding member. An outside air inflow pipe is attached to the holding member, and the tip of the outside air inflow pipe is curved and extends downward, and the tip of the outside air inflow pipe is connected to the connecting portion between the upper case half and the lower case half. Is also located above .

請求項３に係る発明では、請求項２において、前記エアクリーナケースは、シート前方に配置し、前ヒンジを用いて開閉可能に取り付けたカバーの下に配置することを特徴とする。 According to a third aspect of the present invention, in the second aspect, the air cleaner case is disposed in front of the seat, and is disposed under a cover attached to be openable and closable using a front hinge.

請求項４に係る発明では、請求項２において、前記エアクリーナケースは、上下に分離可能な下ケース半体と上ケース半体とで構成し、上ケース半体に、フィルタを挿入する挿入口を設け、前記外気流入管の先端が前記ヒンジで開閉可能に取り付けられるカバーの下端よりも下方の車体カバー内に臨むように配置されていることを特徴とする。 According to a fourth aspect of the present invention, in the second aspect, the air cleaner case includes a lower case half and an upper case half that are separable in the vertical direction, and an insertion port for inserting a filter into the upper case half. And the front end of the outside air inflow pipe is disposed so as to face the lower body cover of the vehicle body cover that can be opened and closed by the hinge .

請求項１に係る発明では、フィルタを車体後方から前方に向けて挿入するとともに、このフィルタの後方で係止手段を用いてエアクリーナケースに係止したので、フィルタを挿入したときの作業姿勢のまま係止手段を取扱うことができ、フィルタを点検整備する際の作業性はよくなるという利点がある。
また、フィルタを取外すときの作業姿勢で係止手段を取扱うことができ、フィルタを点検整備する際の作業性はよくなるという利点がある。
さらに、エアクリーナは、Ｖ型エンジンの上方に配置するために、上端が車体後方へ寄るように傾斜させてなる後傾吸気筒及び上端が車体前方へ寄るように傾斜させてなる前傾吸気筒を備え、この前傾吸気筒の後方にフィルタを配置したので、フィルタは前傾吸気筒並びに後傾吸気筒に干渉せず、エアクリーナケースの小型化を図ることができるという利点がある。 In the invention according to claim 1, is inserted forward the full I filter from the rear of the vehicle body, since engaged with the air cleaner case with the locking means at the rear of this full I filter, was inserted the full I filter while the locking means of working posture can be handled at the time, there is an advantage that workability is improved at the time of servicing the full I filter.
In addition, it is possible to handle the locking means in a working posture when removing the full I filter, there is an advantage that workability is improved at the time of servicing the full I filter.
Further, the air cleaner is provided with a rearwardly inclined intake cylinder that is inclined so that the upper end is inclined toward the rear of the vehicle body and a forwardly inclined intake cylinder that is inclined so that the upper end is inclined toward the front of the vehicle body in order to be disposed above the V-type engine. Since the filter is disposed behind the forward inclined intake cylinder, there is an advantage that the filter does not interfere with the forward inclined intake cylinder and the backward inclined intake cylinder, and the air cleaner case can be downsized.

請求項２に係る発明では、請求項１において、前記エアクリーナケースは、上ケース半体、下ケース半体からなり、前記フィルタは、フィルタ保持部材を介して上ケース半体に取り付けられ、該フィルタ保持部材には外気流入管が取り付けられ、該外気流入管の先端が下方に向かって湾曲して延びており、該外気流入管の先端が、上ケース半体と下ケース半体の接続部よりも上方に位置させた。 According to a second aspect of the present invention, in the first aspect, the air cleaner case includes an upper case half and a lower case half, and the filter is attached to the upper case half via a filter holding member. An outside air inflow pipe is attached to the holding member, and the tip of the outside air inflow pipe is curved and extends downward, and the tip of the outside air inflow pipe is connected to the connecting portion between the upper case half and the lower case half. Was also positioned above .

請求項３に係る発明では、エアクリーナケースは、シート前方に配置し、前ヒンジを用いて開閉可能に取り付けたカバーの下に配置するので、カバーによってエアクリーナケースは見えなくなり、見栄えがよくなる。
また、エアクリーナケースは、シート前方に配置し、前ヒンジを用いて開閉可能に取り付けたカバーの下に配置するので、前ヒンジによってカバーを開けると、エアクリーナケースとシートの前方との間に作業空間を形成することができ、後方からの作業性はよくなるという利点がある。 In the invention according to claim 3, the air cleaner case is disposed in front of the seat and is disposed under the cover that can be opened and closed using the front hinge, so that the air cleaner case cannot be seen by the cover and the appearance is improved.
In addition, since the air cleaner case is arranged in front of the seat and under the cover that can be opened and closed using the front hinge, when the cover is opened by the front hinge, a work space is formed between the air cleaner case and the front of the seat. There is an advantage that workability from the rear is improved.

請求項４に係る発明では、エアクリーナケースは、上下に分離可能な下ケース半体と上ケース半体とで構成し、上ケース半体に、フィルタを挿入する挿入口を設けたので、フイルタを点検整備する際の作業性を向上させることができる。   In the invention according to claim 4, the air cleaner case is composed of a lower case half and an upper case half that are separable up and down, and an insertion port for inserting a filter is provided in the upper case half. Workability at the time of inspection and maintenance can be improved.

本発明を実施するための最良の形態を添付図に基づいて以下に説明する。なお、図面は符号の向きに見るものとする。「前」、「後」、「左」、「右」、「上」、「下」は運転者から見た方向をいう。
図１は、本発明のエアクリーナを用いた自動二輪車の側面図である。
自動二輪車１１は、車体としての車体フレーム１２と、車体フレーム１２のヘッドパイプ１３に取付けたフロントフォーク１４と、フロントフォーク１４に取付けた前輪１５並びにフロントフェンダ１６と、フロントフォーク１４に連結したハンドル１７と、車体フレーム１２の前部上部に配置したエアクリーナ１８と、車体フレーム１２の上部に取付けたシート２１と、車体フレーム１２の中央に配置したＶ型エンジン２２と、Ｖ型エンジン２２の後方で且つシート２１の下方に配置した燃料タンク２３と、Ｖ型エンジン２２の吸気口とエアクリーナ１８との間に接続した気化器２４と、車体フレーム１２の後部にピボット軸２５を介して取付けたスイングアーム２６と、スイングアーム２６の中央を車体フレーム１２に懸架したリアサスペンション２７と、スイングアーム２６に取付けた後輪２８と、後輪２８を覆うリアフェンダ３１と、車体フレーム１２の下部に取付けスタンド３２と、Ｖ型エンジン２２に接続したドライブシャフト３３と、を備える。３４はエアクリーナ１８を覆うカバーを示す。 The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. The drawings are viewed in the direction of the reference numerals. “Front”, “rear”, “left”, “right”, “upper”, and “lower” refer to directions viewed from the driver.
FIG. 1 is a side view of a motorcycle using the air cleaner of the present invention.
The motorcycle 11 includes a body frame 12 as a vehicle body, a front fork 14 attached to a head pipe 13 of the body frame 12, a front wheel 15 and a front fender 16 attached to the front fork 14, and a handle 17 connected to the front fork 14. An air cleaner 18 disposed at the upper front part of the body frame 12, a seat 21 attached to the upper part of the body frame 12, a V-type engine 22 disposed at the center of the body frame 12, and a rear side of the V-type engine 22. A fuel tank 23 disposed below the seat 21, a carburetor 24 connected between the air inlet of the V-type engine 22 and the air cleaner 18, and a swing arm 26 attached to the rear portion of the vehicle body frame 12 via a pivot shaft 25. And a rear suspension in which the center of the swing arm 26 is suspended from the vehicle body frame 12. Comprises a Pensions 27, the wheel 28 after mounting the swing arm 26, a rear fender 31 covering the rear wheel 28, the mounting stand 32 in the lower portion of the body frame 12, a drive shaft 33 connected to the V-type engine 22, the. Reference numeral 34 denotes a cover that covers the air cleaner 18.

Ｖ型エンジン２２では、エンジンより排出された排出ガスは排気管（図示せず）を通りエンジン後方のマフラー２２ａに入り車外へと排出される。   In the V-type engine 22, exhaust gas discharged from the engine passes through an exhaust pipe (not shown), enters the muffler 22a behind the engine, and is discharged outside the vehicle.

図２は、本発明のエアクリーナを用いた自動二輪車の斜視図である。
車体フレーム１２は、ヘッドパイプ１３と、ヘッドパイプ１３から後方へ伸びた左右一対のメインパイプ３５，３５と、ヘッドパイプ１３から後方下方へ伸びた左右一対のダウンチューブ３６，３６（図に示していない）と、ダウンチューブ３６，３６とメインパイプ３５，３５に取付けたシートレール３７，３７と、メインパイプ３５，３５の前部に取付けた前ヒンジ３８，３８と、を備える。３９はリアサスペンション取付け構造、Ｃｍは車体中心軸、Ｃｐはメインパイプ３５の中心軸を示す。 FIG. 2 is a perspective view of a motorcycle using the air cleaner of the present invention.
The vehicle body frame 12 includes a head pipe 13, a pair of left and right main pipes 35, 35 extending rearward from the head pipe 13, and a pair of left and right down tubes 36, 36 extending rearward and downward from the head pipe 13 (shown in the figure). Not provided), seat rails 37, 37 attached to the down tubes 36, 36 and the main pipes 35, 35, and front hinges 38, 38 attached to the front portions of the main pipes 35, 35. Reference numeral 39 denotes a rear suspension mounting structure, Cm denotes a vehicle body central axis, and Cp denotes a central axis of the main pipe 35.

Ｖ型エンジン２２は、水冷式、２気筒で、前方（矢印ａ１の方向）に傾斜した前シリンダ４１と、後方に傾斜した後シリンダ４２と、前後シリンダ４１，４２内に燃料を供給するためのエアクリーナ１８および気化器（キャブレター）２４（図３参照）と、前後シリンダ４１，４２内を往復する各ピストンに歯車を介して接続した変速装置４４と、変速装置４４の最終に接続した出力軸４５と、を備える。   The V-type engine 22 is a water-cooled, two-cylinder engine for supplying fuel into the front cylinder 41 inclined forward (in the direction of the arrow a1), the rear cylinder 42 inclined rearward, and the front and rear cylinders 41 and 42. An air cleaner 18 and a carburetor (carburetor) 24 (see FIG. 3), a transmission 44 connected to each piston reciprocating in the front and rear cylinders 41 and 42 via gears, and an output shaft 45 finally connected to the transmission 44 And comprising.

エアクリーナ１８は、Ｖ型エンジン２２の上方（矢印ａ２の方向）に配置するとともに、シート２１（図１参照）の前方（矢印ａ１の方向）にエアクリーナケース４７を配置し、このエアクリーナケース４７内に筒状のフイルタ５１を配置し、フイルタ５１を車体フレーム１２後方から前方（矢印ａ１の方向）に向けて挿入する。具体的には後述する。
エアクリーナケース４７は、車体フレーム１２のメインパイプ３５，３５の前ヒンジ３８，３８を用いて開閉可能に取り付けたカバー３４（図１参照）の下に配置する。 The air cleaner 18 is disposed above the V-type engine 22 (in the direction of the arrow a2), and an air cleaner case 47 is disposed in front of the seat 21 (see FIG. 1) (in the direction of the arrow a1). A cylindrical filter 51 is arranged, and the filter 51 is inserted from the rear of the body frame 12 toward the front (in the direction of the arrow a1). Details will be described later.
The air cleaner case 47 is disposed under the cover 34 (see FIG. 1) attached to be openable and closable using the front hinges 38 and 38 of the main pipes 35 and 35 of the vehicle body frame 12.

前ヒンジ３８は、車体フレーム１２側とカバー３４（図１参照）とをつなぐ開閉機能をもった部品であり、ここでは、前ヒンジ３８が備えるラグを示した。なお、開閉機能の具体的な構造は任意である。   The front hinge 38 is a component having an opening / closing function for connecting the vehicle body frame 12 side and the cover 34 (see FIG. 1), and here, a lug included in the front hinge 38 is shown. The specific structure of the opening / closing function is arbitrary.

図３は、本発明のエアクリーナの側面図である。
エアクリーナ１８では、エアクリーナケース４７に取付けた外気流入管６１から空気が矢印ａ３のように入り、フイルタ５１で空気を浄化し、浄化した空気は前傾吸気筒６２およびす後傾吸気筒６３（図４参照）から吸引される。 FIG. 3 is a side view of the air cleaner of the present invention.
In the air cleaner 18, air enters from the outside air inflow pipe 61 attached to the air cleaner case 47 as indicated by an arrow a 3, and the air is purified by the filter 51. The purified air is converted into the forward inclined intake cylinder 62 and the backward inclined intake cylinder 63 (see FIG. 4).

気化器２４は、ツインキャブレターで、第１・第２キャブレター６４，６５を有し、第１キャブレター６４を後傾吸気筒６３（図４参照）と前シリンダ４１（図２参照）に接続し、第２キャブレター６５を前傾吸気筒６２と後シリンダ４２（図２参照）に接続し、第１キャブレター６４から混合気が前シリンダ４１内に矢印ａ４のように吸引され、第２キャブレター６５から混合気が後シリンダ４２内に矢印ａ５のように吸引される。   The carburetor 24 is a twin carburetor having first and second carburetors 64, 65, and the first carburetor 64 is connected to the rearwardly inclined intake cylinder 63 (see FIG. 4) and the front cylinder 41 (see FIG. 2). The second carburetor 65 is connected to the forward inclined intake cylinder 62 and the rear cylinder 42 (see FIG. 2), and the air-fuel mixture is sucked from the first carburetor 64 into the front cylinder 41 as indicated by an arrow a4 and mixed from the second carburetor 65. The air is sucked into the rear cylinder 42 as indicated by an arrow a5.

二次空気供給装置制御弁１８ａは、所定の条件でバルブを開き、エアクリーナ１８側から排気ポート側へ二次空気を供給し、排気ガスを浄化する。二次空気は、エアクリーナ１８のクリーンサイドより導かれる空気で、二次空気供給用パイプ１８ｂ，１８ｄを介してシリンダヘッド側の逆流防止弁を通過し、排気ポートへ流入する。１８ｃは前シリンダ４１（図２参照）に接続する前リードバルブカバー、１８ｅは後シリンダ４２（図２参照）に接続する後リードバルブカバーを示す。   The secondary air supply device control valve 18a opens the valve under a predetermined condition, supplies secondary air from the air cleaner 18 side to the exhaust port side, and purifies the exhaust gas. The secondary air is guided from the clean side of the air cleaner 18, passes through the backflow prevention valve on the cylinder head side via the secondary air supply pipes 18 b and 18 d, and flows into the exhaust port. Reference numeral 18c denotes a front reed valve cover connected to the front cylinder 41 (see FIG. 2), and 18e denotes a rear reed valve cover connected to the rear cylinder 42 (see FIG. 2).

図４は、本発明のエアクリーナの分解図である。
エアクリーナ１８は、具体的には、フイルタ５１をフイルタ保持部材６７に取付け、フイルタ保持部材６７に外気流入管６１を取付け、フイルタ保持部材６７のフランジ部６８をエアクリーナケース４７の上ケース半体７１の挿入口７２にフイルタ５１を後方から矢印ａ６のように係止手段７３で取付け、エアクリーナケース４７の下ケース半体７４に前傾吸気筒６２を、垂直に対して傾斜角度θｆ（図３参照）で取付け、下ケース半体７４に後傾吸気筒６３を傾斜角度θｒ（図３参照）で取付け、下ケース半体７４に上ケース半体７１を小ねじ７５・・・（・・・は複数を示す。以下同様。）で取付けたものである。 FIG. 4 is an exploded view of the air cleaner of the present invention.
Specifically, in the air cleaner 18, the filter 51 is attached to the filter holding member 67, the outside air inflow pipe 61 is attached to the filter holding member 67, and the flange portion 68 of the filter holding member 67 is attached to the upper case half 71 of the air cleaner case 47. The filter 51 is attached to the insertion port 72 from behind by the locking means 73 as indicated by an arrow a6, and the forwardly inclined intake cylinder 62 is attached to the lower case half 74 of the air cleaner case 47 at an inclination angle θf with respect to the vertical (see FIG. 3). The rear intake cylinder 63 is attached to the lower case half 74 at an inclination angle θr (see FIG. 3), the upper case half 71 is attached to the lower case half 74 with a small screw 75. The same applies hereinafter.)

また、エアクリーナ１８は、Ｖ型エンジン２２の上方（図２の矢印ａ２の方向）に配置するために、上端７７が車体フレーム１２後方（矢印ａ７の方向）へ寄るように傾斜させてなる後傾吸気筒６３及び上端７８が車体フレーム１２前方（矢印ａ１の方向）へ寄るように傾斜させてなる前傾吸気筒６２を備え、この前傾吸気筒６２の後方（矢印ａ７の方向）に設定した距離Ｌｓの空間にフィルタ５１を配置した。   Further, since the air cleaner 18 is arranged above the V-type engine 22 (in the direction of the arrow a2 in FIG. 2), the air cleaner 18 is inclined backward so that the upper end 77 is inclined toward the rear of the vehicle body frame 12 (in the direction of the arrow a7). The intake cylinder 63 and the upper end 78 are provided with a forward-inclined intake cylinder 62 that is inclined so as to approach the front of the vehicle body frame 12 (in the direction of arrow a1), and is set behind the forward-inclined intake cylinder 62 (in the direction of arrow a7). A filter 51 is arranged in the space of the distance Ls.

係止手段７３は、例えば、小ねじ８１・・・であり、フイルタ５１を後方から矢印ａ６のようにエアクリーナケース４７に係止するものである。なお、係止手段７３は小ねじ８１以外でもよく、例えば、クランプやバンドを用いることも可能である。   The locking means 73 is, for example, a small screw 81... For locking the filter 51 from the rear to the air cleaner case 47 as indicated by an arrow a6. The locking means 73 may be other than the small screw 81, and for example, a clamp or a band can be used.

エアクリーナケース４７は、上下に分離可能な下ケース半体７４と上ケース半体７１とで構成し、上ケース半体７１に、フィルタ５１を挿入する挿入口７２を設けたケースである。
挿入口７２は前傾吸気筒６２側に距離Ｌｐ（図５参照）だけオフセットした。 The air cleaner case 47 includes a lower case half 74 and an upper case half 71 that are separable in the vertical direction, and is provided with an insertion port 72 for inserting the filter 51 in the upper case half 71.
The insertion port 72 is offset by a distance Lp (see FIG. 5) toward the forward inclined intake cylinder 62 side.

図５は、本発明のエアクリーナの平面図であり、上ケース半体７１（図４参照）を取外した状態を示す。
エアクリーナ１８では、フイルタ５１を挿入する挿入口７２（図４参照）は前傾吸気筒６２側に距離Ｌｐだけオフセットしたので、フイルタ５１を所望の大きさ（直径Ｄ、長さＬｆ）に設定してもフイルタ５１は後傾吸気筒６３に干渉せず、フイルタ５１の大きさを確保することができる。 FIG. 5 is a plan view of the air cleaner of the present invention, showing a state where the upper case half 71 (see FIG. 4) is removed.
In the air cleaner 18, the insertion opening 72 (see FIG. 4) for inserting the filter 51 is offset by a distance Lp toward the forward inclined intake cylinder 62, so that the filter 51 is set to a desired size (diameter D, length Lf). However, the filter 51 does not interfere with the rearwardly inclined intake cylinder 63, and the size of the filter 51 can be ensured.

エアクリーナ１８は、前述したが、車体フレーム前方（矢印ａ１の方向）へ寄るように傾斜させてなる前傾吸気筒６２の後方（矢印ａ７の方向）に距離Ｌｓの空間を設定し、この空間にフィルタ５１を配置した。   As described above, the air cleaner 18 sets a space of a distance Ls behind the forward inclined intake cylinder 62 (in the direction of the arrow a7) that is inclined so as to approach the front of the vehicle body frame (in the direction of the arrow a1). A filter 51 was arranged.

次ぎに自動二輪車のエアクリーナの作用を説明する。
図６は、本発明の自動二輪車のエアクリーナの作用図である。
エアクリーナ１８のフイルタ５１を、例えば点検整備する場合、カバー３４は前ヒンジ３８，３８を介して矢印ａ８のように開くので、エアクリーナ１８の後方から係止手段（小ねじ８１）７３を緩めることができる。
作業者は、係止手段（小ねじ８１）７３を緩めて外した後、緩めて外した姿勢のままフイルタ保持部材６７とともにフイルタ５１を矢印ａ９，ａ１０のように後方に引き出してフイルタ５１の汚れを点検したり、フイルタ５１を交換することができる。
フイルタ５１を取付ける場合は、手順は逆になるが、作業者は、フイルタ５１を挿入（図４の矢印ａ６のように）した姿勢のままで係止手段（小ねじ８１）７３でフイルタ５１を止めることができる。 Next, the operation of the air cleaner of the motorcycle will be described.
FIG. 6 is an operation diagram of the air cleaner of the motorcycle of the present invention.
When the filter 51 of the air cleaner 18 is inspected and maintained, for example, the cover 34 opens as shown by an arrow a8 through the front hinges 38, 38, so that the locking means (small screw 81) 73 can be loosened from the rear of the air cleaner 18. it can.
The operator loosens and removes the locking means (the small screw 81) 73, and then pulls out the filter 51 together with the filter holding member 67 in the loosened and removed posture as shown by the arrows a9 and a10 to make the filter 51 dirty. Or the filter 51 can be replaced.
When attaching the filter 51, the procedure is reversed, but the operator holds the filter 51 with the locking means (small screw 81) 73 in the posture in which the filter 51 is inserted (as indicated by the arrow a6 in FIG. 4). Can be stopped.

このように、フイルタ５１を車体フレーム１２後方から前方に向けて挿入するとともに、このフイルタ５１の後方で係止手段（小ねじ８１）７３を用いてエアクリーナケース４７に係止したので、フイルタ５１の挿入方向と同じ方向から係止手段（小ねじ８１）７３でフイルタ５１を止めることができ、フイルタ５１を点検整備する際の作業性はよくなる。   As described above, the filter 51 is inserted from the rear of the vehicle body frame 12 toward the front, and the filter 51 is locked to the air cleaner case 47 using the locking means (small screw 81) 73 at the rear of the filter 51. The filter 51 can be stopped by the locking means (the small screw 81) 73 from the same direction as the insertion direction, and the workability when the filter 51 is inspected and maintained is improved.

また、エアクリーナ１８は、前傾吸気筒６２の後方にフィルタ５１を配置したので、フィルタ５１は前傾吸気筒６２並びに後傾吸気筒６３に干渉せず、エアクリーナケース４７の小型化を図ることができる。   Further, since the air cleaner 18 has the filter 51 disposed behind the forward inclined intake cylinder 62, the filter 51 does not interfere with the forward inclined intake cylinder 62 and the backward inclined intake cylinder 63, and the air cleaner case 47 can be reduced in size. it can.

エアクリーナケース４７は、シート前方に配置し、前ヒンジ３８，３８を用いて開閉可能に取り付けたカバー３４の下に配置するので、カバー３４によってエアクリーナケース４７は見えなくなり、見栄えがよくなる。
また、エアクリーナケース４７は、車体フレーム１２に前ヒンジ３８，３８を用いて開閉可能に取り付けたカバー３４の下に配置するので、前ヒンジ３８，３８によってカバー３４を開けると、エアクリーナケース４７とシート２１（図１参照）の前方との間に作業空間を形成することができ、後方からの作業性はよくなる。 Since the air cleaner case 47 is disposed in front of the seat and is disposed under the cover 34 that can be opened and closed using the front hinges 38, 38, the air cleaner case 47 is not visible by the cover 34, and the appearance is improved.
Further, since the air cleaner case 47 is disposed under the cover 34 attached to the vehicle body frame 12 using the front hinges 38 and 38 so as to be opened and closed, when the cover 34 is opened by the front hinges 38 and 38, the air cleaner case 47 and the seat are arranged. A work space can be formed between the front of 21 (see FIG. 1) and workability from the rear is improved.

エアクリーナケース４７では、上ケース半体７１に、フィルタ５１を挿入する挿入口７２を設けることで、フイルタ５１を点検整備する際の作業性を向上させることができる。   In the air cleaner case 47, by providing the upper case half 71 with the insertion port 72 into which the filter 51 is inserted, the workability when the filter 51 is inspected and maintained can be improved.

尚、本発明の自動二輪車のエアクリーナは、実施の形態では二輪車に適用したが、四輪輪車にも適用可能であり、一般の車両に適用することは差し支えない。   The motorcycle air cleaner according to the present invention is applied to a two-wheeled vehicle in the embodiment, but can also be applied to a four-wheeled vehicle and can be applied to a general vehicle.

本発明の自動二輪車のエアクリーナは、各種類の自動二輪車に採用可能であり、オンロード車からオフロード車まで広範囲の自動二輪車に利用可能である。   The air cleaner for motorcycles of the present invention can be used in various types of motorcycles, and can be used in a wide range of motorcycles from on-road vehicles to off-road vehicles.

本発明のエアクリーナを用いた自動二輪車の側面図Side view of a motorcycle using the air cleaner of the present invention 本発明のエアクリーナを用いた自動二輪車の斜視図A perspective view of a motorcycle using the air cleaner of the present invention. 本発明のエアクリーナの側面図Side view of the air cleaner of the present invention 本発明のエアクリーナの分解図Exploded view of the air cleaner of the present invention 本発明のエアクリーナの平面図Plan view of the air cleaner of the present invention 本発明の自動二輪車のエアクリーナの作用図Action diagram of air cleaner for motorcycle of the present invention

符号の説明Explanation of symbols

１１…自動二輪車、１２…車体（車体フレーム）、１８…エアクリーナ、２１…シート、２２…Ｖ型エンジン、３４…カバー、３８…前ヒンジ、４７…エアクリーナケース、５１…フィルタ、６１…外気流入管、６２…前傾吸気筒、６３…後傾吸気筒、６７…フィルタ保持部材、７１…上ケース半体、７２…挿入口、７３…係止手段（小ねじ）、７４…下ケース半体、７７…後傾吸気筒の上端、７８…前傾吸気筒の上端。 11 ... Motorcycle, 12 ... vehicle body (body frame), 18 ... air cleaner, 21 ... sheet, 22 ... V-type engine, 34 ... cover, 38 ... front hinge, 47 ... air cleaner case, 51 ... off filter, 61 ... external air Inflow pipe, 62 ... forward inclined intake cylinder, 63 ... backward inclined intake cylinder, 67 ... filter holding member, 71 ... upper case half, 72 ... insertion port, 73 ... locking means (small screw), 74 ... lower case half Body, 77 ... upper end of the backward inclined intake cylinder, 78 ... upper end of the forward inclined intake cylinder.

Claims (4)

シートの前方にエアクリーナケースを配置し、このエアクリーナケース内に筒状のフィルタを配置した自動二輪車のエアクリーナにおいて、
前記エアクリーナは、Ｖ型エンジンの上方に配置されており、
前記エアクリーナは、上端が車体後方へ寄るように傾斜させてなる後傾吸気筒及び上端が車体前方へ寄るように傾斜させてなる前傾吸気筒を備え、この前傾吸気筒の後方に前記フィルタを配置されており、
前記フィルタを車体後方から前方に向けて挿入するとともに、このフィルタの後方で係止手段を用いてエアクリーナケースに係止した、
ことを特徴とする自動二輪車のエアクリーナ。 In an air cleaner for a motorcycle in which an air cleaner case is arranged in front of the seat and a cylindrical filter is arranged in the air cleaner case,
The air cleaner is disposed above the V-type engine,
The air cleaner includes a rearwardly inclined intake cylinder that is inclined so that the upper end is inclined toward the rear of the vehicle body, and a forward inclined intake cylinder that is inclined so that the upper end is inclined toward the front of the vehicle body, and the filter is disposed behind the forwardly inclined intake cylinder. Is arranged,
The filter was inserted from the rear of the vehicle body toward the front, and locked to the air cleaner case using a locking means at the rear of the filter.
This is an air cleaner for motorcycles. 前記エアクリーナケースは、上ケース半体、下ケース半体からなり、前記フィルタは、フィルタ保持部材を介して上ケース半体に取り付けられ、該フィルタ保持部材には外気流入管が取り付けられ、該外気流入管の先端が下方に向かって湾曲して延びており、該外気流入管の先端が、上ケース半体と下ケース半体の接続部よりも上方に位置させたことを特徴とする請求項１に記載の自動二輪車のエアクリーナ。 The air cleaner case includes an upper case half and a lower case half. The filter is attached to the upper case half via a filter holding member, and an outside air inflow pipe is attached to the filter holding member. the tip of the inlet pipe extends curved downward, claims tip of the outer air flow pipe, characterized in that is positioned above the connection portion of the upper case half and a lower case half 2. An air cleaner for a motorcycle according to 1 . 前記エアクリーナケースは、シート前方に配置し前ヒンジを用いて開閉可能に取り付けたカバーの下に配置することを特徴とする請求項２記載の自動二輪車のエアクリーナ。 3. The air cleaner for a motorcycle according to claim 2, wherein the air cleaner case is disposed under a cover that is disposed in front of the seat and that can be opened and closed using a front hinge. 前記エアクリーナケースは、上下に分離可能な下ケース半体と上ケース半体とで構成し、上ケース半体に、フィルタを挿入する挿入口を設け、前記外気流入管の先端が前記ヒンジで開閉可能に取り付けられるカバーの下端よりも下方の車体カバー内に臨むように配置されていることを特徴とする請求項２記載の自動二輪車のエアクリーナ。   The air cleaner case is composed of a lower case half body and an upper case half body that are separable in the vertical direction, an insertion port for inserting a filter is provided in the upper case half body, and the tip of the outside air inflow pipe is opened and closed by the hinge. 3. The air cleaner for a motorcycle according to claim 2, wherein the air cleaner is disposed so as to face a body cover below a lower end of a cover that can be attached.
JP2004288094A 2004-09-30 2004-09-30 Motorcycle air cleaner Expired - Fee Related JP4523375B2 (en)

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ITTO20050652 ITTO20050652A1 (en) 2004-09-30 2005-09-21 AIR FILTER FOR MOTORCYCLES.

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JP2009083810A (en) 2007-10-03 2009-04-23 Yamaha Motor Co Ltd Motorcycle
JP5414423B2 (en) * 2009-08-28 2014-02-12 本田技研工業株式会社 Saddle riding
JP5564308B2 (en) * 2010-03-31 2014-07-30 本田技研工業株式会社 Motorcycle
EP2679796B1 (en) * 2011-10-27 2017-12-20 C.R.F. Società Consortile per Azioni Intake assembly for an internal combustion engine

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JP2004116426A (en) * 2002-09-26 2004-04-15 Honda Motor Co Ltd Intake system structure for low floor type vehicle

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