JPH0335150B2 - - Google Patents

Info

Publication number
JPH0335150B2
JPH0335150B2 JP59271453A JP27145384A JPH0335150B2 JP H0335150 B2 JPH0335150 B2 JP H0335150B2 JP 59271453 A JP59271453 A JP 59271453A JP 27145384 A JP27145384 A JP 27145384A JP H0335150 B2 JPH0335150 B2 JP H0335150B2
Authority
JP
Japan
Prior art keywords
fuel tank
pair
engine
windows
main frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP59271453A
Other languages
Japanese (ja)
Other versions
JPS61150827A (en
Inventor
Hiroshi Murakami
Tetsuya Ichikawa
Noryasu Matsuhashi
Kyoji Fukuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP59271453A priority Critical patent/JPS61150827A/en
Publication of JPS61150827A publication Critical patent/JPS61150827A/en
Publication of JPH0335150B2 publication Critical patent/JPH0335150B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K13/00Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • B60K13/02Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning intake

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、前後車輪間に位置するエンジンの上
方に燃料タンクが配設された自動二輪車における
空気清浄器に関するものである。
DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an air cleaner for a motorcycle in which a fuel tank is disposed above an engine located between front and rear wheels.

従来技術 エンジンの上方に燃料タンクを配設した従来の
自動二輪車において、該エンジンと燃料タンクと
を相互に接近させるために、該燃料タンク内を区
劃して中空室を形成し、該中空室に濾過要素を収
納して空気清浄器を構成し、該空気清浄器を介し
て気化器に外気を供給するようにしたものがあつ
た。(実開昭60−192988号公報参照)。
Prior Art In a conventional motorcycle in which a fuel tank is disposed above the engine, in order to bring the engine and the fuel tank closer to each other, the inside of the fuel tank is partitioned to form a hollow chamber. There was one in which a filtration element was housed to form an air purifier, and outside air was supplied to the vaporizer through the air purifier. (Refer to Utility Model Application Publication No. 1988-192988).

解決しようとする課題 前記公報に記載したものでは、燃料タンクの中
央部に中空室を形成したため、燃料タンクの燃料
容量が大幅に低下する。
Problems to be Solved In the fuel tank described in the above publication, since a hollow chamber is formed in the center of the fuel tank, the fuel capacity of the fuel tank is significantly reduced.

また中空室の頂部に開口部を設け、該開口部を
蓋で閉じるようになつているため、該中空室内の
濾過要素の保守、点検および交換を簡単に行なう
ことができない。
Furthermore, since an opening is provided at the top of the hollow chamber and the opening is closed with a lid, maintenance, inspection, and replacement of the filter element within the hollow chamber cannot be easily performed.

さらに中空室の中央に濾過要素を配置したため
自動二輪車のメインフレームが1本の場合に車体
巾方向中央のメインフレームと中空室中央の濾過
要素とが互に干渉してしまい、中空室がさらに大
型化して、燃料容量の低下を逸れるができない。
Furthermore, since the filtration element is placed in the center of the hollow chamber, if the motorcycle has only one main frame, the main frame at the center in the width direction of the vehicle body and the filtration element at the center of the hollow chamber will interfere with each other, making the hollow chamber even larger. It is impossible to avoid the decrease in fuel capacity due to

課題を解決するための手段および作用効果 本発明はこのような難点を克服した自動二輪車
の空気清浄装置の改良に係り、前後車輪間にエン
ジンを備え、その上方に位置して主フレームを跨
つて断面逆U字状燃料タンクが配設された自動二
輪車において、該燃料タンクの外板左右部と前記
主フレーム側に面した該燃料タンクの内板左右部
とにそれぞれ開口した左右2対の窓を備えるとと
もに該窓に連通した左右1対の空間が該燃料タン
クの後部に形成され、該左右1対の空間にそれぞ
れ収納された濾過要素の内部が気化器に吸気通路
を介して連通され、該空間のタンク外板部側左右
窓を左右1対のカバーで開閉自在に覆われたこと
を特徴とするものである。
Means and Effects for Solving the Problems The present invention relates to an improvement of an air purifying device for a motorcycle that overcomes the above-mentioned drawbacks, and includes an engine between the front and rear wheels, located above the engine, and straddling the main frame. In a motorcycle equipped with a fuel tank having an inverted U-shaped cross section, two pairs of left and right windows each open on the left and right sides of an outer plate of the fuel tank and the left and right sides of an inner plate of the fuel tank facing the main frame. A pair of left and right spaces are formed at the rear of the fuel tank and communicated with the window, and the insides of filter elements respectively housed in the pair of left and right spaces are communicated with the carburetor via an intake passage, The tank outer panel side left and right windows of the space are covered with a pair of left and right covers so as to be openable and closable.

本発明は、前記したように、前後車輪間にエン
ジンを備え、その上方に位置して主フレームを跨
つて断面逆U字状燃料タンクが配設された自動二
輪車において、該燃料タンクの外板左右部と前記
主フレーム側に面した該燃料タンクの内板左右部
とにそれぞれ開口した左右2対の窓を備えるとと
もに該窓に連通した左右1対の空間が該燃料タン
クの後部に形成し、該左右1対の空間にそれぞれ
濾過要素を収納したため、前記フレームと濾過要
素との干渉を避けることができるとともに前記左
右1対の空間の容積を該濾過要素の体積より僅か
に大きな容積に留めて、前記燃料タンクの容量低
下を最小限に抑制することができる。
As described above, the present invention provides a motorcycle equipped with an engine between the front and rear wheels and a fuel tank having an inverted U-shaped cross section located above the engine and spanning the main frame. Two pairs of left and right windows are provided on the left and right sides and on the left and right sides of the inner plate of the fuel tank facing the main frame, respectively, and a pair of left and right spaces communicating with the windows are formed at the rear of the fuel tank. Since the filtration elements are housed in the pair of left and right spaces, interference between the frame and the filtration elements can be avoided, and the volume of the pair of left and right spaces is kept slightly larger than the volume of the filtration elements. Accordingly, a decrease in the capacity of the fuel tank can be suppressed to a minimum.

また本発明においては、左右1対の空間にそれ
ぞれ収納された濾過要素の内部が気化器に吸気通
路を介して連通され、該空間のタンク外板部側左
右窓を左右1対のカバーで開閉自在に覆つたた
め、該カバーを外すだけで、前記空間内の濾過要
素を大きく露出させることができ、空気清浄器の
保守、点検、交換、整備を迅速かつ容易に行なう
ことができる。
In addition, in the present invention, the insides of the filtration elements housed in a pair of left and right spaces are communicated with the carburetor via an intake passage, and the left and right windows on the tank outer panel side of the spaces are opened and closed by a pair of left and right covers. Since it is freely covered, the filter element in the space can be largely exposed simply by removing the cover, and maintenance, inspection, replacement, and maintenance of the air purifier can be performed quickly and easily.

さらに本発明では、燃料タンクのタンク壁を濾
過要素を収納するための箱体として利用すること
により部品点数の削減を図り得るとともにバツテ
リー等の他の装備品が存在しないため、濾過要素
収納空間を十分大きく確保することができる。加
えて燃料タンクの後部に濾過要素を収納すること
により、エンジンの後方空間に余裕が生じ、バツ
テリー、オイルタンク等の装備品を無理なく配設
することができ、それ等の形状設計の自由度が向
上する。
Furthermore, in the present invention, by using the tank wall of the fuel tank as a box for housing the filtration element, the number of parts can be reduced, and since there are no other equipment such as a battery, the filtration element storage space can be saved. It can be secured sufficiently large. In addition, by housing the filtration element at the rear of the fuel tank, there is more space at the rear of the engine, allowing for easy installation of accessories such as batteries and oil tanks, and greater freedom in the design of their shapes. will improve.

実施例 以下、第1図ないし第6図に示した本発明の一
実施例について説明する。
Embodiment Hereinafter, an embodiment of the present invention shown in FIGS. 1 to 6 will be described.

第1図は、不整地走行用自動二輪車10を示し
ており、エンジンEが、前後車輪FW、RW間に
配設され、かつエンジンEの頭部を側方から覆う
程度に大きな断面ほぼU字状の燃料タンク20
が、主フレーム12を跨いで配設されている。主
フレーム12の後端部には、左右1対のセンタ
ー・ピラー14が連なり、かつ車体幅方向中央に
位置するリヤ・クツシヨン16の上端が連結され
ている。
FIG. 1 shows a motorcycle 10 for traveling on rough terrain, in which an engine E is disposed between the front and rear wheels FW and RW, and is large enough to cover the head of the engine E from the side in a roughly U-shaped cross section. shaped fuel tank 20
is arranged across the main frame 12. A pair of left and right center pillars 14 are connected to the rear end of the main frame 12, and the upper end of a rear cushion 16 located at the center in the vehicle width direction is connected.

燃料タンク20には、燃料貯溜室のない空間A
が形成されており、該空間Aに左右1対の濾過要
素(以下、エレメントと称する)30が収納され
ている。それ故、燃料タンク20の頂壁22が、
空気清浄器の箱体として機能することになる。そ
して、空間Aを画成する頂壁22は、1対のエレ
メント30にそれぞれ対応して、窓24,24を
有しており、該窓24を通じて空間Aにエレメン
ト30を装入し、あるいは空間Aからエレメント
30を取出し得るようになつている。通常状態で
は、窓24,24は着脱可能なカバー25によつ
て覆われている。
The fuel tank 20 has a space A without a fuel storage chamber.
is formed, and a pair of left and right filter elements (hereinafter referred to as elements) 30 are housed in the space A. Therefore, the top wall 22 of the fuel tank 20 is
It will function as a box for an air purifier. The top wall 22 defining the space A has windows 24, 24 corresponding to the pair of elements 30, respectively, and the elements 30 can be inserted into the space A through the windows 24, or The element 30 can be taken out from A. In the normal state, the windows 24, 24 are covered by a removable cover 25.

また、燃料タンク20は、その前部に突設され
た左右1対の係止突起26を、車体フレーム側の
左右1対のU字形支持片(図示せず)に係合させ
るとともに後端の鍔28部を螺子をもつて車体フ
レームに固定することによつて、不動に固定され
る。座席Sは、その前端部が伸長してカバー25
の中央部を覆つている。
In addition, the fuel tank 20 has a pair of left and right locking protrusions 26 protruding from the front portion of the fuel tank 20 that engage with a pair of left and right U-shaped support pieces (not shown) on the vehicle body frame side. By fixing the collar 28 to the vehicle body frame with screws, it is immovably fixed. The front end of the seat S is extended to form a cover 25.
covers the center of the

従つて、座席Sから窓24が形成された燃料タ
ンク20の後部に押圧力が作用するが、窓24,
24の間に頂壁22Aが残されており、この頂壁
22Aによつて燃料タンク後部の剛性が維持さ
れ、押圧力に耐えることができる。
Therefore, a pressing force is applied from the seat S to the rear part of the fuel tank 20 where the window 24 is formed, but the window 24,
A top wall 22A remains between the fuel tank 24 and the top wall 22A, which maintains the rigidity of the rear part of the fuel tank and can withstand the pressing force.

そして、空間A内において、主フレーム12の
上位で左右に振り分けて配設されたエレメント3
0,30は、その後壁34部にて後記空気槽50
に固定(螺子35による)された遮熱板32およ
び空気槽50によつて支持され、かつそのいずれ
も空気槽50に連通している。遮熱板32は、後
壁34の他に、前部突片36と、突片36に揺動
自在に支持され、その中間部にゴム製抑え部片4
0を備えた左右1対の針金製押圧ばね38とを有
しており、空気槽50の前壁52に形成された1
対の開口に嵌合固着された環状金具と一体の突部
片53,53に揺動自在に支持された針金製コ字
状止め金53A,53Aを、押圧ばね38の弾発
力に抗して、該押圧ばね38の屈曲形状の先端部
に係止させることにより、エレメント30は、抑
え部片40にて抑えられ不動に固定される(第4
図ないし第6図参照)。
In the space A, elements 3 are arranged above the main frame 12 and distributed to the left and right.
0,30 is an air tank 50 described later at the rear wall 34 part.
It is supported by a heat shield plate 32 fixed to (by screws 35) and an air tank 50, both of which communicate with the air tank 50. In addition to the rear wall 34, the heat shield plate 32 is swingably supported by a front protrusion 36 and a protrusion 36, and has a rubber restraining piece 4 in the middle thereof.
0 formed on the front wall 52 of the air tank 50.
The U-shaped wire clasps 53A, 53A, which are swingably supported by the protruding pieces 53, 53 that are integral with the annular fittings that are fitted and fixed in the pair of openings, are pressed against the elastic force of the pressing spring 38. By locking the bent tip of the pressing spring 38, the element 30 is held down by the holding piece 40 and fixed immovably (the fourth
(See figures 6 to 6).

また、該遮熱板32は、エレメント30,30
を下から覆い、窓24,24を上方から覆うカバ
ー25および頂壁22と協働して空気清浄器箱を
画成する。
Further, the heat shield plate 32 includes elements 30, 30.
from below and cooperates with a cover 25 and top wall 22 that covers the windows 24, 24 from above to define an air purifier box.

さらに、車体側方から見てほぼ三角形状になさ
れ、その前壁52に遮熱板32が螺着固定された
空気槽50が、主フレーム12の後端に隣接して
車体フレーム側部材に固定されている。空気槽5
0の底壁54には、左右1対の固定金具56が取
着されており、この固定金具56部および前記突
部片53と一体の固定片53B部において、空気
槽50が、車体フレーム側部材に固定されるので
ある。
Further, an air tank 50, which has a substantially triangular shape when viewed from the side of the vehicle body and has a heat shield plate 32 screwed and fixed to its front wall 52, is fixed to the vehicle frame side member adjacent to the rear end of the main frame 12. has been done. Air tank 5
A pair of left and right fixing fittings 56 are attached to the bottom wall 54 of the 0, and the air tank 50 is attached to the vehicle body frame side at the fixing fittings 56 and the fixing piece 53B that is integrated with the protrusion piece 53. It is fixed to the member.

前記底壁54に形成された左右1対の開口に
は、ゴム製L字状連結管60,60の一端部が連
通、嵌着されており、主フレーム12に連なるリ
ヤ・クツシヨン16がそれ等の間に位置する。該
連結管60,60の他端部は、エンジンEの吸気
ポートに連なる左右1対の気化器70に連通、接
続されている。このように連結管60および空気
槽50によつて気化器70に連結されたエレメン
ト30は、気化器70の上方に位置している(第
2図、第4図、第5図参照)。
A pair of left and right openings formed in the bottom wall 54 communicate with one end of rubber L-shaped connecting pipes 60, 60, and are fitted therein, and the rear cushion 16 connected to the main frame 12 is connected to the left and right openings. located between. The other ends of the connecting pipes 60, 60 are communicated with and connected to a pair of left and right carburetors 70 connected to the intake port of the engine E. The element 30, which is thus connected to the vaporizer 70 by the connecting pipe 60 and the air tank 50, is located above the vaporizer 70 (see FIGS. 2, 4, and 5).

本実施例においては、前記の様に、エレメント
30が収納された燃料タンク20の後部空間Aに
対し、燃料タンク20の底壁と遮熱板32の間か
ら空気が進入するようになされており、その位置
は、後車輪RWから大きく離隔し、前車輪FWと
の間にエンジンEの頭部が存在して遮蔽体になる
位置であるから、前後車輪によつて跳ね上げられ
た泥、埃、水等が到達し難く、空気進入用開口を
大きくしてもエレメント30が汚染され難い。し
かも、空気進入用開口が大きくなれば、その分だ
け進入空気の流速が小さくなる理屈であるから、
この点においても、エレメント30が汚れ難く、
整備の手間を省くことができる。
In this embodiment, as described above, air enters the rear space A of the fuel tank 20 in which the element 30 is housed from between the bottom wall of the fuel tank 20 and the heat shield plate 32. Its location is far away from the rear wheels RW, and the head of the engine E exists between it and the front wheels FW, forming a shield, so mud and dust thrown up by the front and rear wheels are protected. , water, etc. are difficult to reach, and the element 30 is difficult to be contaminated even if the air inlet opening is enlarged. Moreover, the theory is that the larger the air inlet opening, the smaller the flow velocity of the incoming air.
In this respect as well, the element 30 is hard to get dirty,
Maintenance time can be saved.

さらに、エレメント30の清掃ないし交換を行
う際には、カバー25を取外した状態で押圧ばね
38と止め金53Aの係合関係を解除して、窓2
4を通じてエレメント30を取出し、次いで再装
入することができ、燃料タンク20を取外す必要
がなく、作業を迅速、かつ容易に行うことが可能
である。
Furthermore, when cleaning or replacing the element 30, with the cover 25 removed, the engagement between the pressing spring 38 and the stopper 53A is released, and the window 2
4, the element 30 can be taken out and then reinserted, and there is no need to remove the fuel tank 20, making it possible to perform the work quickly and easily.

また、エレメント30をエンジンEの上位に配
設したため遮熱板32が必要になつたが、遮熱板
32は燃料タンク20の頂壁22およびカバー2
5とともに空気清浄器箱として機能し、部品点数
の節減を可能とした。
Furthermore, since the element 30 is disposed above the engine E, a heat shield plate 32 is required.
5 and functions as an air purifier box, making it possible to reduce the number of parts.

なお、前記実施例では燃料タンク20の後部に
窓24を形成したが、エレメント交換の際に燃料
タンクを開閉する構造を採用すれば、窓24を形
成する必要はない。
Although the window 24 was formed at the rear of the fuel tank 20 in the embodiment described above, it is not necessary to form the window 24 if a structure is adopted in which the fuel tank is opened and closed when replacing an element.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本考案の一実施例に係る空気清浄器を
備えた自動二輪車の側面図、第2図はその要部概
略拡大図、第3図は該自動二輪車に搭載した燃料
タンクの裏面図、第4図は該自動二輪車における
吸気系の要部側面図、第5図、第6図はそれぞれ
第4図における−線、−線要部矢視図で
ある。 10……自動二輪車、12……主フレーム、1
4……センター・ピラー、16……リヤ・クツシ
ヨン、20……燃料タンク、22……頂壁、24
……窓、25……カバー、26……係止突起、2
8……鍔、30……エレメント、32……遮熱
板、34……後壁、35……螺子、36……突
片、38……押圧ばね、40……抑え部片、50
……空気槽、52……前壁、53……突部片、5
3A……止め金、53B……固定片、54……底
壁、56……固定金具、60……連結管、70…
…気化器。
Fig. 1 is a side view of a motorcycle equipped with an air purifier according to an embodiment of the present invention, Fig. 2 is a schematic enlarged view of its main parts, and Fig. 3 is a back view of a fuel tank mounted on the motorcycle. , FIG. 4 is a side view of the main part of the intake system in the motorcycle, and FIGS. 5 and 6 are views taken along the - line and - line arrow in FIG. 4, respectively. 10...Motorcycle, 12...Main frame, 1
4...Center pillar, 16...Rear cushion, 20...Fuel tank, 22...Top wall, 24
... window, 25 ... cover, 26 ... locking projection, 2
8...Brim, 30...Element, 32...Heat shield plate, 34...Rear wall, 35...Screw, 36...Protrusion piece, 38...Press spring, 40...Pressure piece, 50
... Air tank, 52 ... Front wall, 53 ... Projection piece, 5
3A...stopper, 53B...fixing piece, 54...bottom wall, 56...fixing metal fitting, 60...connecting pipe, 70...
...vaporizer.

Claims (1)

【特許請求の範囲】 1 前後車輪間にエンジンを備え、その上方に位
置して主フレームを跨つて断面逆U字状燃料タン
クが配設された自動二輪車において、 該燃料タンクの外板左右部と前記主フレーム側
に面した該燃料タンクの内板左右部とにそれぞれ
開口した左右2対の窓を備えるとともに該窓に連
通した左右1対の空間が該燃料タンクの後部に形
成され、該左右1対の空間にそれぞれ収納された
濾過要素の内部が気化器に吸気通路を介して連通
され、該空間のタンク外板部側左右窓を左右1対
のカバーで開閉自在に覆われたことを特徴とする
自動二輪車の空気清浄器。
[Scope of Claims] 1. In a motorcycle having an engine between the front and rear wheels, and a fuel tank having an inverted U-shaped cross section located above the engine and spanning the main frame, the right and left outer panels of the fuel tank include: and the left and right sides of the inner plate of the fuel tank facing the main frame side, respectively, are provided with two pairs of left and right windows that are open, respectively, and a pair of left and right spaces that communicate with the windows are formed at the rear of the fuel tank. The insides of the filter elements housed in a pair of left and right spaces are communicated with the carburetor via an intake passage, and the left and right windows on the tank outer panel side of the spaces are covered by a pair of left and right covers so as to be openable and closable. An air purifier for motorcycles featuring:
JP59271453A 1984-12-22 1984-12-22 Air cleaner of motorcycle Granted JPS61150827A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59271453A JPS61150827A (en) 1984-12-22 1984-12-22 Air cleaner of motorcycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59271453A JPS61150827A (en) 1984-12-22 1984-12-22 Air cleaner of motorcycle

Publications (2)

Publication Number Publication Date
JPS61150827A JPS61150827A (en) 1986-07-09
JPH0335150B2 true JPH0335150B2 (en) 1991-05-27

Family

ID=17500236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59271453A Granted JPS61150827A (en) 1984-12-22 1984-12-22 Air cleaner of motorcycle

Country Status (1)

Country Link
JP (1) JPS61150827A (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60192988U (en) * 1984-05-31 1985-12-21 スズキ株式会社 motorcycle

Also Published As

Publication number Publication date
JPS61150827A (en) 1986-07-09

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