JP2021147035A - Water cooling type motorcycle - Google Patents

Water cooling type motorcycle Download PDF

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JP2021147035A
JP2021147035A JP2021041315A JP2021041315A JP2021147035A JP 2021147035 A JP2021147035 A JP 2021147035A JP 2021041315 A JP2021041315 A JP 2021041315A JP 2021041315 A JP2021041315 A JP 2021041315A JP 2021147035 A JP2021147035 A JP 2021147035A
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water
engine device
drive shaft
engine
exhaust
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JP7227998B2 (en
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黄建智
Chien-Chih Huang
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GUANGYANG IND CO Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT 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
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT 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
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J41/00—Arrangements of radiators, coolant hoses or pipes on cycles
    • 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
    • B62M7/04—Motorcycles characterised by position of motor or engine with engine between front and rear wheels below the frame
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/10—Guiding or ducting cooling-air, to, or from, liquid-to-air heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/12—Motorcycles, Trikes; Quads; Scooters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2202/00—Motorised scooters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2340/00—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses
    • F01N2340/04—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses characterised by the arrangement of an exhaust pipe, manifold or apparatus in relation to vehicle frame or particular vehicle parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/04—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for motorcycles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/04—Arrangements of liquid pipes or hoses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2050/00—Applications
    • F01P2050/16—Motor-cycles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

To provide a water cooling type motorcycle including a cooling device having a radiator which is not easily affected by an exhaust system.SOLUTION: A water cooling type motorcycle includes: an engine device 1; an exhaust device 2 which exhausts waste gas from the engine device 1; and a cooling device 3 which cools the engine device 1 with a coolant. The engine device has a driving shaft extending along a predetermined lateral direction that is substantially orthogonal to an anteroposterior direction of the motorcycle. The exhaust device 2 has a muffler 21 disposed at one end side toward which the driving shaft extends. The cooling device 3 has a radiator 31 disposed at the opposite side of the one end side.SELECTED DRAWING: Figure 7

Description

本発明はオートバイに関し、特に、水冷式オートバイに関する。 The present invention relates to motorcycles, and more particularly to water-cooled motorcycles.

図１に示されるように、特許文献１にはスクータなどのオートバイに用いられる従来のエンジン冷却装置が示されている。図示のように、該従来のエンジン冷却装置のラジエーター９は、冷却液を用いてスクータ８のエンジンを冷却するものであるが、スクータ８の排気装置８１の隣（前方）に配置されるので、冷却液と熱交換してエンジンからの熱を放出するはずであるラジエーター９は、高熱の廃気を排出する排気装置８１の影響を受けて十分に放熱機能を発揮できない恐れがある。 As shown in FIG. 1, Patent Document 1 shows a conventional engine cooling device used for motorcycles such as scooters. As shown in the figure, the radiator 9 of the conventional engine cooling device cools the engine of the scooter 8 by using the coolant, but since it is arranged next to (front) the exhaust device 81 of the scooter 8, it is arranged. The radiator 9, which is supposed to exchange heat with the coolant and release heat from the engine, may not be able to sufficiently exhibit the heat dissipation function due to the influence of the exhaust device 81 that discharges high heat waste air.

台湾特許出願公開第２０１７３００２３号明細書Taiwan Patent Application Publication No. 201730023

従って、本発明の目的は、エンジンの気筒からの高熱の廃気を排出する排気装置からの影響を受けにくいラジエーターを有する冷却装置を備えた水冷式オートバイの提供を目的とする。 Therefore, an object of the present invention is to provide a water-cooled motorcycle provided with a cooling device having a radiator that is not easily affected by an exhaust device that discharges high heat waste air from the cylinder of an engine.

上記問題点に鑑みて、本発明は、
エンジン装置と、前記エンジン装置からの廃気を排出する排気装置と、冷却液を用いて前記エンジン装置を冷却する冷却装置と、を備えた水冷式オートバイであって、
前記エンジン装置は、回転動力を生成する気筒と、前記気筒により生成される回転動力を出力し、且つ、該オートバイの前後方向に略直交する所定の横方向に沿って延伸する駆動軸と、を有しており、
前記排気装置は、前記エンジン装置からの廃気を排出する排気管と、該排気管に取り付けられているマフラーとを有し、且つ、前記マフラーは、前記駆動軸の延伸先の一端側に配置されており、
前記冷却装置は、前記駆動軸の前記一端側の反対側に配置されているラジエーターを有することを特徴とする水冷式オートバイを提供する。 In view of the above problems, the present invention
A water-cooled motorcycle including an engine device, an exhaust device for discharging waste air from the engine device, and a cooling device for cooling the engine device using a coolant.
The engine device comprises a cylinder that generates rotational power and a drive shaft that outputs rotational power generated by the cylinder and extends along a predetermined lateral direction substantially orthogonal to the front-rear direction of the motorcycle. Have and
The exhaust device has an exhaust pipe for exhausting waste air from the engine device and a muffler attached to the exhaust pipe, and the muffler is arranged on one end side of an extension destination of the drive shaft. Has been
The cooling device provides a water-cooled motorcycle characterized by having a radiator arranged on the opposite side of the drive shaft on the one end side.

上記のように、本発明の水冷式オートバイは、排気装置のマフラーと冷却装置のラジエーターとが、エンジン装置の駆動軸の両端側にそれぞれ配置されているので、ラジエーターは、排気装置からの影響を受けにくく、放熱機能を十分に発揮することを期待することができる。 As described above, in the water-cooled motorcycle of the present invention, the muffler of the exhaust device and the radiator of the cooling device are arranged on both ends of the drive shaft of the engine device, so that the radiator is affected by the exhaust device. It is hard to receive and can be expected to fully demonstrate the heat dissipation function.

従来の水冷式オートバイ（スクータ）のエンジン冷却装置と排気装置の配置例が示されている一部斜視図である。It is a partial perspective view which shows the arrangement example of the engine cooling system and the exhaust system of the conventional water-cooled motorcycle (scooter). 本発明の水冷式オートバイの構成が示されている側面図である。It is a side view which shows the structure of the water-cooled motorcycle of this invention. 本発明の水冷式オートバイのエンジン装置の周辺の構成が示されている上面図である。It is a top view which shows the structure around the engine device of the water-cooled motorcycle of this invention. 本発明の水冷式オートバイのエンジン装置の周辺の構成が示されている下面図である。It is a bottom view which shows the structure around the engine device of the water-cooled motorcycle of this invention. 本発明の水冷式オートバイのエンジン装置の周辺の構成が示されている断面図である。It is sectional drawing which shows the peripheral structure of the engine device of the water-cooled motorcycle of this invention. 本発明の水冷式オートバイにおける冷却装置の構成が示されている分解斜視図である。It is an exploded perspective view which shows the structure of the cooling device in the water-cooled motorcycle of this invention. 本発明の水冷式オートバイのエンジン装置の周辺の構成が示されている正面図である。It is a front view which shows the peripheral structure of the engine device of the water-cooled motorcycle of this invention.

以下は図２〜図７を参照して本発明の水冷式オートバイの実施形態について詳しく説明する。 Hereinafter, embodiments of the water-cooled motorcycle of the present invention will be described in detail with reference to FIGS. 2 to 7.

図２は本発明の水冷式オートバイの構成が示されている側面図である。 FIG. 2 is a side view showing the configuration of the water-cooled motorcycle of the present invention.

図示のように、本発明の水冷式オートバイは、車体フレーム５と、それぞれ車体フレーム５との間での相対運動が不可能になるように該車体フレーム５に固定される（即ちスイング式ではない）エンジン装置１及び該エンジン装置からの廃気を排出する排気装置２と、エンジン装置１に取り付けられて冷却水を用いてエンジン装置１を冷却する冷却装置３と、を備えている。なお、ここでいう相対運動が不可能になるというのは、排気装置２及びエンジン装置１の車体フレーム５に対する相対移動や揺動がすべて不可能になるように車体フレーム５に固定されている状態を指している。 As shown, the water-cooled motorcycle of the present invention is fixed to the body frame 5 so that relative movement between the body frame 5 and the body frame 5 is impossible (that is, it is not a swing type). ) The engine device 1 and the exhaust device 2 for discharging the waste air from the engine device, and the cooling device 3 attached to the engine device 1 and cooling the engine device 1 with cooling water are provided. It should be noted that the fact that the relative motion is impossible here means that the exhaust device 2 and the engine device 1 are fixed to the vehicle body frame 5 so as to be unable to move or swing relative to the vehicle body frame 5. Pointing to.

図３は本発明の水冷式オートバイのエンジン装置の周辺の構成が示されている上面図であり、図４は本発明の水冷式オートバイのエンジン装置の周辺の構成が示されている下面図であり、図５は本発明の水冷式オートバイのエンジン装置の周辺の構成が示されている断面図である。 FIG. 3 is a top view showing the peripheral configuration of the engine device of the water-cooled motorcycle of the present invention, and FIG. 4 is a bottom view showing the peripheral configuration of the engine device of the water-cooled motorcycle of the present invention. Yes, FIG. 5 is a cross-sectional view showing the configuration around the engine device of the water-cooled motorcycle of the present invention.

エンジン装置１は、回転動力を生成する気筒１１と、気筒１１が収容されるクランクケース１２と、気筒１１により生成される回転動力を出力し、且つ、該オートバイの前後方向（図５におけるＸ方向）に略直交する所定の横方向（即ち、図３〜図５における左右方向）に沿って延伸して少なくとも１端がクランクケース１２の外に露出している駆動軸１３と、を有している。 The engine device 1 outputs the rotational power generated by the cylinder 11 that generates the rotational power, the crankcase 12 in which the cylinder 11 is housed, and the cylinder 11, and the front-rear direction (X direction in FIG. 5) of the motorcycle. ) Is provided with a drive shaft 13 extending along a predetermined lateral direction (that is, the left-right direction in FIGS. 3 to 5) substantially orthogonal to the crankcase 12 and having at least one end exposed to the outside of the crankcase 12. There is.

なお、図３〜図５に示されるように、該オートバイは、エンジン装置１の駆動軸１３からの回転動力を後輪６に伝動する伝動装置４をも備えている。 As shown in FIGS. 3 to 5, the motorcycle also includes a transmission device 4 that transmits the rotational power from the drive shaft 13 of the engine device 1 to the rear wheels 6.

排気装置２は、エンジン装置１の気筒１１からの廃気を排出する排気管２２と、該排気管２２の気筒１１とは反対側に取り付けられているマフラー２１とを有している。図示のように、マフラー２１は、駆動軸１３の延伸先の一端側（図３における左側／図４における右側）に配置されている。 The exhaust device 2 has an exhaust pipe 22 for discharging waste air from the cylinder 11 of the engine device 1 and a muffler 21 attached to the side opposite to the cylinder 11 of the exhaust pipe 22. As shown in the figure, the muffler 21 is arranged on one end side (left side in FIG. 3 / right side in FIG. 4) of the extension destination of the drive shaft 13.

冷却装置３は、駆動軸１３の前記一端側の反対側（図３における右側／図４、図５における左側）に配置されているラジエーター３１と、ラジエーター３１とエンジン装置１のクランクケース１２との間に配置され、ラジエーター３１の周辺の空気の流れを作り出す放熱ファン３２と、を有するように構成されている。 The cooling device 3 includes a radiator 31 arranged on the opposite side (right side in FIG. 3 / left side in FIGS. 4 and 5) of the drive shaft 13 and a crankcase 12 of the radiator 31 and the engine device 1. It is configured to have a radiating fan 32, which is arranged between them and creates a flow of air around the radiator 31.

伝動装置４は、互いにかみ合って連動して回転する複数の歯車及び該複数の歯車の回転により駆動されると共に、駆動軸１３と略平行に延伸する出力軸４３１を有するギアセット４３と、エンジン装置１の駆動軸１３により直接に駆動されて該駆動軸１３からの回転動力をギアセット４３に伝動して前記複数の歯車を回転させる第１の伝動手段４２と、ギアセット４３の出力軸４３１により直接に駆動されて該出力軸４３１からの回転動力を後輪６に伝動して後輪６を駆動する第２の伝動手段４４と、を有している。 The transmission device 4 includes a gear set 43 having a plurality of gears that mesh with each other and rotate in conjunction with each other, and an output shaft 431 that is driven by the rotation of the plurality of gears and extends substantially parallel to the drive shaft 13, and an engine device. The first transmission means 42, which is directly driven by the drive shaft 13 of 1 and transmits the rotational power from the drive shaft 13 to the gear set 43 to rotate the plurality of gears, and the output shaft 431 of the gear set 43. It has a second transmission means 44 that is directly driven and transmits the rotational power from the output shaft 431 to the rear wheels 6 to drive the rear wheels 6.

ちなみに、この実施形態において、第１の伝動手段４２と第２の伝動手段４４とは、いずれも伝動ベルトである。 Incidentally, in this embodiment, the first transmission means 42 and the second transmission means 44 are both transmission belts.

図４及び図５に示されているように、エンジン装置１のクランクケース１２は、気筒１１が囲まれて収容されると共に、排気装置２のマフラーに面する開口が形成されている本体部１２１と、該開口を覆うように該本体部１２１に取り付けられている蓋部１２２と、を有していると共に、本体部１２１と蓋部１２２により囲まれる内部空間１２０は、気筒１１及び駆動軸１３の大部分が収容される気筒収容室１２３と、伝動装置４の第１の伝動手段４２が収容される伝動手段収容室１２４と、伝動装置４のギアセット４３が収容されるギアセット収容室１２５と、を有するように仕切られている。 As shown in FIGS. 4 and 5, the crankcase 12 of the engine device 1 is accommodated by surrounding the cylinder 11, and the main body 121 is formed with an opening facing the muffler of the exhaust device 2. And a lid portion 122 attached to the main body portion 121 so as to cover the opening, and an internal space 120 surrounded by the main body portion 121 and the lid portion 122 includes a cylinder 11 and a drive shaft 13. The cylinder accommodation chamber 123 in which most of the above is accommodated, the transmission means accommodation chamber 124 in which the first transmission means 42 of the transmission device 4 is accommodated, and the gear set accommodation chamber 125 in which the gear set 43 of the transmission device 4 is accommodated. And, it is partitioned so as to have.

図示のように、この実施形態において、クランクケース１２は、気筒収容室１２３が内部空間１２０のほぼ中心に位置しており、伝動手段収容室１２４が排気装置２のマフラー２１に隣接する箇所にあり、そしてギアセット収容室１２５は駆動軸１３の後方に位置し、且つ、伝動手段収容室１２４に隣接する箇所にあるように配置構成されている。 As shown in the figure, in this embodiment, in the crankcase 12, the cylinder accommodating chamber 123 is located substantially in the center of the internal space 120, and the transmission means accommodating chamber 124 is located adjacent to the muffler 21 of the exhaust device 2. The gear set accommodating chamber 125 is arranged so as to be located behind the drive shaft 13 and adjacent to the transmission means accommodating chamber 124.

エンジン装置１及び伝動装置４をこのように配置構成することにより、エンジン装置１及び伝動装置４が配置される空間を効率的に利用することができる。特に、エンジン装置１の駆動軸１３と伝動装置４の出力軸４３１との距離を短くすることができる。 By arranging and configuring the engine device 1 and the transmission device 4 in this way, the space in which the engine device 1 and the transmission device 4 are arranged can be efficiently used. In particular, the distance between the drive shaft 13 of the engine device 1 and the output shaft 431 of the transmission device 4 can be shortened.

また、図４に示されているように、排気装置２が有する排気管２２は、エンジン装置１の気筒１１からマフラー２１まで延伸するように構成されていると共に、マフラー２１に取り付けられている第１の取り付け端２２１と、エンジン装置１の気筒１１に取り付けられている第２の取り付け端２２２と、を有している。 Further, as shown in FIG. 4, the exhaust pipe 22 included in the exhaust device 2 is configured to extend from the cylinder 11 of the engine device 1 to the muffler 21, and is attached to the muffler 21. It has a mounting end 221 of 1 and a second mounting end 222 attached to the cylinder 11 of the engine device 1.

また、図４に示されているように、この実施形態では、駆動軸１３の延伸方向である横方向に平行して排気管２２の第１の取り付け端２２１を通過する第１の仮想線Ｌ１と、同横方向に平行して排気管２２の第２の取り付け端２２２を通過する第２の仮想線Ｌ２と、第１の仮想線Ｌ１及び第２の仮想線Ｌ２と直交し、且つ、該水冷式オートバイの幾何中心を通過する仮想平面Ｐと、仮想平面Ｐに平行して排気管２２の第１の取り付け端２２１を通過する第３の仮想線Ｌ３と、により囲まれる空間内に、伝動手段収容室１２４がほぼ収まるように構成されている。 Further, as shown in FIG. 4, in this embodiment, the first virtual line L1 passing through the first mounting end 221 of the exhaust pipe 22 in parallel with the lateral direction which is the extending direction of the drive shaft 13. The second virtual line L2 passing through the second mounting end 222 of the exhaust pipe 22 in parallel in the same lateral direction, the first virtual line L1 and the second virtual line L2 are orthogonal to each other, and the same. Transmission in a space surrounded by a virtual plane P that passes through the geometric center of the water-cooled motorcycle and a third virtual line L3 that passes through the first mounting end 221 of the exhaust pipe 22 in parallel with the virtual plane P. The means accommodating chamber 124 is configured to be substantially accommodated.

なお、伝動手段収容室１２４はこの第１の仮想線Ｌ１と第２の仮想線Ｌ２と第３の仮想線Ｌ３と仮想平面Ｐとにより囲まれる空間内に全体が収まる必要はなく、少なくとも一部が収まっていれば、エンジン装置１及び伝動装置４を配置するための空間の利用効率の向上を図ることができる。 The transmission means accommodation chamber 124 does not have to fit in the space surrounded by the first virtual line L1, the second virtual line L2, the third virtual line L3, and the virtual plane P, and at least a part thereof. If the above is contained, it is possible to improve the utilization efficiency of the space for arranging the engine device 1 and the transmission device 4.

図７は本発明の水冷式オートバイのエンジン装置１の周辺の構成が示されている正面図である。図４及び図５に示されるように、冷却装置３のラジエーター３１はエンジン装置１の右側に配置され、排気装置２のマフラー２１はエンジン装置１の左側に配置され、そして図７に示されるように、排気装置２のマフラー２１の少なくとも一部が伝動手段収容室１２４の前後方向の後方に位置するように配置構成されている。このように排気装置２のマフラー２１を配置することにより、本発明の水冷式オートバイ全体の幅を小さくすることで空間利用効率を更に図り、例えばコーナリングの際にオートバイを傾けることができる角度をより大きくすることができるようになる。 FIG. 7 is a front view showing the peripheral configuration of the engine device 1 of the water-cooled motorcycle of the present invention. As shown in FIGS. 4 and 5, the radiator 31 of the cooling device 3 is located on the right side of the engine device 1, the muffler 21 of the exhaust device 2 is located on the left side of the engine device 1, and as shown in FIG. In addition, at least a part of the muffler 21 of the exhaust device 2 is arranged and configured to be located behind the transmission means accommodating chamber 124 in the front-rear direction. By arranging the muffler 21 of the exhaust device 2 in this way, the width of the entire water-cooled motorcycle of the present invention is reduced to further improve the space utilization efficiency, for example, to increase the angle at which the motorcycle can be tilted when cornering. You will be able to make it bigger.

図６は本発明の水冷式オートバイにおける冷却装置の構成が示されている分解斜視図である。 FIG. 6 is an exploded perspective view showing the configuration of the cooling device in the water-cooled motorcycle of the present invention.

図５及び図６に示されるように、冷却装置３のラジエーターは３１、互いに間を開けて配置されている第１の冷却液タンク３１２と第２の冷却液タンク３１３と、第１の冷却液タンク３１２と第２の冷却液タンク３１３との間に配置されているフィンユニット３１１と、を有し、フィンユニット３１１は第１の冷却液タンク３１２から第２の冷却液タンク３１３まで延伸する複数の連通管３１０と、各連通管３１０にそれぞれ連続している多数の放熱フィンと、を有している。冷却液は、各連通管３１０を経由して第１の冷却液タンク３１２から第２の冷却液タンク３１３に送られ、もしくは第２の冷却液タンク３１３から第１の冷却液タンク３１２に送られる際に、各放熱フィンと熱交換してエンジン装置１からの熱を放出するように構成されている。放熱ファン３２は、ラジエーター３１とエンジン装置１のクランクケース１２との間に配置されると共に、エンジン装置１の駆動軸１３のクランクケース１２外に露出する端部に取り付けられて該駆動軸１３により駆動されて回転し、ラジエーター３１のフィンユニット３１１の周辺の空気を吸出するように空気の流れを作り出すことにより、フィンユニット３１１の各放熱フィンの周辺の空気の流れを活性化することにより、フィンユニット３１１全体の放熱性能に寄与することができる。ちなみに、この実施形態においては、放熱ファン３２としては遠心ファンを採用してフィンユニット３１１の周辺の空気をエンジン装置１の下方へ送るように構成されている。 As shown in FIGS. 5 and 6, the radiators of the cooling device 3 are 31, the first coolant tank 312 and the second coolant tank 313 arranged apart from each other, and the first coolant. A plurality of fin units 311 arranged between the tank 312 and the second coolant tank 313, and the fin units 311 extend from the first coolant tank 312 to the second coolant tank 313. The communication pipe 310 and a large number of heat radiation fins continuous with each communication pipe 310 are provided. The coolant is sent from the first coolant tank 312 to the second coolant tank 313 or from the second coolant tank 313 to the first coolant tank 312 via each communication pipe 310. At that time, it is configured to exchange heat with each heat radiation fin and release heat from the engine device 1. The heat radiating fan 32 is arranged between the radiator 31 and the crankcase 12 of the engine device 1, and is attached to an end of the drive shaft 13 of the engine device 1 exposed to the outside by the drive shaft 13. Fins by activating the air flow around each radiating fin of the fin unit 311 by driving and rotating to create an air flow so as to suck out the air around the fin unit 311 of the radiator 31. It can contribute to the heat dissipation performance of the entire unit 311. Incidentally, in this embodiment, a centrifugal fan is adopted as the heat radiating fan 32 so that the air around the fin unit 311 is sent to the lower side of the engine device 1.

以上、本発明の好ましい実施形態を説明したが、本発明はこれらに限定されるものではなく、最も広い解釈の精神および範囲内に含まれる様々な構成として、全ての修飾および均等な構成を包含するものとする。 Although preferred embodiments of the present invention have been described above, the present invention is not limited thereto, and includes all modifications and equal configurations as various configurations included within the spirit and scope of the broadest interpretation. It shall be.

上記のように、本発明の水冷式オートバイは、排気装置のマフラーと冷却装置のラジエーターとが、エンジン装置の駆動軸の両端側にそれぞれ配置されているので、ラジエーターは、排気装置からの影響を受けにくく、放熱機能を十分に発揮することを期待することができる。 As described above, in the water-cooled motorcycle of the present invention, the muffler of the exhaust device and the radiator of the cooling device are arranged on both ends of the drive shaft of the engine device, so that the radiator is affected by the exhaust device. It is hard to receive and can be expected to fully demonstrate the heat dissipation function.

１ エンジン装置
１１ 気筒
１２ クランクケース
１２０ 内部空間
１２１ 本体部
１２２ 蓋部
１２３ 気筒収容室
１２４ 伝動手段収容室
１２５ ギアセット収容室
１３ 駆動軸
２ 排気装置
２１ マフラー
２２ 排気管
２２１ 第１の取り付け端
２２２ 第２の取り付け端
３ 冷却装置
３１ ラジエーター
３１０ 連通管
３１１ フィンユニット
３１２ 第１の冷却液タンク
３１３ 第２の冷却液タンク
３２ 放熱ファン
４ 伝動装置
４２ 第１の伝動手段
４３ ギアセット
４３１ 出力軸
４４ 第２の伝動手段
５ 車体フレーム
６ 後輪
Ｌ１ 第１の仮想線
Ｌ２ 第２の仮想線
Ｌ３ 第３の仮想線
Ｐ 仮想平面 1 Engine device 11 Cylinder 12 Crankcase 120 Internal space 121 Main body 122 Lid 123 Cylinder storage room 124 Transmission means storage room 125 Gear set storage room 13 Drive shaft 2 Exhaust device 21 Muffler 22 Exhaust pipe 221 First mounting end 222 First Mounting end 3 Cooling device 31 Radiator 310 Communication pipe 311 Fin unit 312 First coolant tank 313 Second coolant tank 32 Heat dissipation fan 4 Transmission device 42 First transmission means 43 Gear set 431 Output shaft 44 Second Transmission means 5 Body frame 6 Rear wheel L1 First virtual line L2 Second virtual line L3 Third virtual line P Virtual plane

Claims (9)

エンジン装置と、前記エンジン装置からの廃気を排出する排気装置と、冷却液を用いて前記エンジン装置を冷却する排気装置と、を備えた水冷式オートバイであって、
前記エンジン装置は、回転動力を生成する気筒と、前記気筒により生成される回転動力を出力し、且つ、オートバイの前後方向に略直交する所定の横方向に沿って延伸する駆動軸と、を有しており、
前記排気装置は、前記エンジン装置からの廃気を排出する排気管と、該排気管に取り付けられているマフラーとを有し、且つ、前記マフラーは、前記駆動軸の延伸先の一端側に配置されており、
前記排気装置は、前記駆動軸の前記一端側の反対側に配置されているラジエーターを有することを特徴とする水冷式オートバイ。 A water-cooled motorcycle including an engine device, an exhaust device for discharging waste air from the engine device, and an exhaust device for cooling the engine device with a coolant.
The engine device includes a cylinder that generates rotational power, and a drive shaft that outputs rotational power generated by the cylinder and extends along a predetermined lateral direction substantially orthogonal to the front-rear direction of the motorcycle. And
The exhaust device has an exhaust pipe for exhausting waste air from the engine device and a muffler attached to the exhaust pipe, and the muffler is arranged on one end side of an extension destination of the drive shaft. Has been
The exhaust device is a water-cooled motorcycle characterized by having a radiator arranged on the opposite side of the one end side of the drive shaft. 前記排気装置は、前記ラジエーターと前記エンジン装置との間に配置され、前記ラジエーターの周辺の空気の流れを作り出す放熱ファンを更に有することを特徴とする請求項１に記載の水冷式オートバイ。 The water-cooled motorcycle according to claim 1, wherein the exhaust device is arranged between the radiator and the engine device, and further has a heat radiating fan that creates an air flow around the radiator. 前記排気装置の前記ラジエーターは、互いに間を開けて配置されている第１の冷却液タンクと第２の冷却液タンクと、前記第１の冷却液タンクと第２の冷却液タンクとの間に配置されているフィンユニットと、を有し、
前記フィンユニットは前記第１の冷却液タンクから前記第２の冷却液タンクまで延伸する複数の連通管と、各前記連通管にそれぞれ連続している多数の放熱フィンと、を有しており、
前記冷却液は、各前記連通管を経由して前記第１の冷却液タンクから前記第２の冷却液タンクに送られる際に、各前記放熱フィンと熱交換して前記エンジン装置からの熱を放出し、
前記放熱ファンは、前記エンジン装置の前記駆動軸により駆動されて回転して前記ラジエーターの前記フィンユニットの周辺の空気を吸出するように配置構成されていることを特徴とする請求項２に記載の水冷式オートバイ。 The radiator of the exhaust device is located between a first coolant tank and a second coolant tank arranged apart from each other, and between the first coolant tank and the second coolant tank. Has an arranged fin unit, and
The fin unit has a plurality of communication pipes extending from the first coolant tank to the second coolant tank, and a large number of heat radiation fins continuous with each communication pipe.
When the coolant is sent from the first coolant tank to the second coolant tank via the communication pipes, the coolant exchanges heat with the heat radiation fins to exchange heat from the engine device. Release and
The second aspect of the present invention, wherein the heat radiating fan is arranged and configured so as to be driven by the drive shaft of the engine device and rotate to suck out air around the fin unit of the radiator. Water-cooled motorcycle. 前記エンジン装置の前記駆動軸からの回転動力を該水冷式オートバイの後輪に伝動する伝動装置を更に備え、
該伝動装置は、互いにかみ合って連動して回転する複数の歯車及び該複数の歯車の回転により駆動されると共に、前記駆動軸と略平行に延伸する出力軸を有するギアセットと、
前記エンジン装置の前記駆動軸により直接に駆動されて該駆動軸からの回転動力を前記ギアセットに伝動して前記複数の歯車を回転させる第１の伝動手段と、
前記ギアセットの前記出力軸により直接に駆動されて該出力軸からの回転動力を前記後輪に伝動して前記後輪を駆動する第２の伝動手段と、を有していることを特徴とする請求項１〜請求項３のいずれか一項に記載の水冷式オートバイ。 A transmission device for transmitting the rotational power of the engine device from the drive shaft to the rear wheels of the water-cooled motorcycle is further provided.
The transmission device includes a gear set having a plurality of gears that mesh with each other and rotate in conjunction with each other, and an output shaft that is driven by the rotation of the plurality of gears and extends substantially parallel to the drive shaft.
A first transmission means that is directly driven by the drive shaft of the engine device and transmits rotational power from the drive shaft to the gear set to rotate the plurality of gears.
It is characterized by having a second transmission means that is directly driven by the output shaft of the gear set and transmits the rotational power from the output shaft to the rear wheels to drive the rear wheels. The water-cooled motorcycle according to any one of claims 1 to 3. 前記エンジン装置は、前記気筒を収容するクランクケースを有しており、該クランクケースは、前記気筒が囲まれて収容されると共に、前記排気装置の前記マフラーに面する開口が形成されている本体部と、前記開口を覆うように該本体部に取り付けられている蓋部と、を有しており、
また、前記本体部と前記蓋部とにより囲まれる前記クランクケースの内部空間の前記マフラーに隣接する一部の空間は、伝動手段収容室として前記伝動装置の前記第１の伝動手段が収容されていることを特徴とする請求項４に記載の水冷式オートバイ。 The engine device has a crankcase for accommodating the cylinder, and the crankcase is a main body in which the cylinder is surrounded and accommodated and an opening facing the muffler of the exhaust device is formed. It has a portion and a lid portion attached to the main body portion so as to cover the opening.
Further, a part of the space adjacent to the muffler in the internal space of the crankcase surrounded by the main body portion and the lid portion accommodates the first transmission means of the transmission device as a transmission means accommodation chamber. The water-cooled motorcycle according to claim 4, wherein the motorcycle is provided. 前記伝動手段収容室に隣接する一部の空間は、ギアセット収容室として前記伝動装置の前記ギアセットが収容されていて、前記ギアセット収容室は前記駆動軸の前記前後方向の後方に位置することを特徴とする請求項５に記載の水冷式オートバイ。 A part of the space adjacent to the transmission means accommodating chamber accommodates the gear set of the transmission device as a gear set accommodating chamber, and the gear set accommodating chamber is located behind the drive shaft in the front-rear direction. The water-cooled motorcycle according to claim 5. 前記排気装置が有する前記排気管は、前記エンジン装置の前記気筒から前記マフラーまで延伸するように構成されていると共に、前記マフラーに取り付けられている第１の取り付け端と、前記エンジン装置の前記気筒に取り付けられている第２の取り付け端と、を有しており、
また、前記横方向に平行して前記第１の取り付け端を通過する第１の仮想線と、前記横方向に平行して前記第２の取り付け端を通過する第２の仮想線と、前記第１の仮想線及び前記第２の仮想線と直交し、且つ、該水冷式オートバイの幾何中心を通過する仮想平面と、前記仮想平面に平行して前記第１の取り付け端を通過する第３の仮想線と、により囲まれる空間内に、前記伝動手段収容室の少なくとも一部が収まっていることを特徴とする請求項５に記載の水冷式オートバイ。 The exhaust pipe included in the exhaust device is configured to extend from the cylinder of the engine device to the muffler, and has a first mounting end attached to the muffler and the cylinder of the engine device. Has a second mounting end, which is mounted on the
Further, a first virtual line that passes through the first mounting end in parallel in the lateral direction, a second virtual line that passes through the second mounting end in parallel in the lateral direction, and the first virtual line. A virtual plane orthogonal to the virtual line 1 and the second virtual line and passing through the geometric center of the water-cooled motorcycle, and a third virtual plane parallel to the virtual plane and passing through the first mounting end. The water-cooled motorcycle according to claim 5, wherein at least a part of the transmission means accommodation chamber is housed in a space surrounded by a virtual line. 前記伝動手段収容室の前記前後方向の後方に、前記排気装置の前記マフラーの少なくとも一部が位置するように配置構成されていることを特徴とする請求項５〜請求項７のいずれか一項に記載の水冷式オートバイ。 Any one of claims 5 to 7, wherein at least a part of the muffler of the exhaust device is arranged behind the transmission means accommodating chamber in the front-rear direction. Water-cooled motorcycle described in. 車体フレームを更に備え、前記エンジン装置と前記排気装置とはそれぞれ前記車体フレームとの間での相対運動が不可能になるように前記車体フレームに固定されていることを特徴とする請求項１〜請求項８のいずれか一項に記載の水冷式オートバイ。 Claims 1 to 1, further comprising a vehicle body frame, wherein the engine device and the exhaust device are fixed to the vehicle body frame so that relative movement between the engine device and the exhaust device is impossible. The water-cooled motorcycle according to any one of claims 8.
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TW202136082A (en) 2021-10-01
DE102021202542A1 (en) 2021-09-23

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