JP4928980B2 - Vehicle with side car - Google Patents

Vehicle with side car Download PDF

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Publication number
JP4928980B2
JP4928980B2 JP2007045841A JP2007045841A JP4928980B2 JP 4928980 B2 JP4928980 B2 JP 4928980B2 JP 2007045841 A JP2007045841 A JP 2007045841A JP 2007045841 A JP2007045841 A JP 2007045841A JP 4928980 B2 JP4928980 B2 JP 4928980B2
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Prior art keywords
radiator
vehicle
side vehicle
motorcycle
air
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JP2007261568A (en
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隆志 工藤
俊宏 吉村
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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    • 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
    • B62J17/00—Weather guards for riders; Fairings or stream-lining parts not otherwise provided for
    • B62J17/10—Ventilation or air guiding devices forming part of fairings
    • 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
    • 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
    • B62K27/00—Sidecars; Forecars; Trailers or the like specially adapted to be attached to cycles
    • B62K27/02—Frames
    • 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
    • B62K27/00—Sidecars; Forecars; Trailers or the like specially adapted to be attached to cycles
    • B62K27/04—Car bodies; Fairings
    • 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
    • B62K27/00—Sidecars; Forecars; Trailers or the like specially adapted to be attached to cycles
    • B62K27/10—Other component parts or accessories

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Description

本発明は、自動二輪車に側車を備えてなる側車付車両に関する。   The present invention relates to a vehicle with a side vehicle that includes a side vehicle in a motorcycle.

自動二輪車に、側車を備えてなる側車付自動二輪車が知られている（例えば、特許文献１参照。）。
特開昭５９−１６７３８６号公報（第１図） 2. Description of the Related Art A motorcycle with a side vehicle including a side vehicle is known as a motorcycle (see, for example, Patent Document 1).
JP 59-167386 (FIG. 1)

特許文献１の第１図において、サイドカー（以下、側車と云う。）の車体３は、自動二輪車１にタイロッド８を介して取付けられている。そして、車体３の前部に物入れ２７が配置され、この物入れ２７の後方にシート５が配置され、シート５の後方にトランク室２２が配置されている。
特許文献１によれば、車体３にラジエータを配置することについての記述はない。 In FIG. 1 of Patent Document 1, a vehicle body 3 of a side car (hereinafter referred to as a side vehicle) is attached to the motorcycle 1 via a tie rod 8. A storage case 27 is disposed at the front of the vehicle body 3, the seat 5 is disposed behind the storage case 27, and the trunk chamber 22 is disposed behind the seat 5.
According to Patent Document 1, there is no description about disposing a radiator on the vehicle body 3.

また、車体フレームに水平対向エンジンを懸架した鞍乗り型車両が知られている（例えば、特許文献２参照。）。
特開２００２−９７９５５公報（図２） Further, a saddle-ride type vehicle in which a horizontally opposed engine is suspended on a body frame is known (for example, see Patent Document 2).
Japanese Patent Laid-Open No. 2002-97955 (FIG. 2)

特許文献２の図２において、鞍乗り型車両の車体フレーム２に水平対向エンジン６が懸架され、この水平対向エンジン６を冷却するラジエータ１２は車体フレーム２の左右両側に、かつ、水平対向エンジン６の上方に装着され、このラジエータ１２には、電動ファン２２が取り付けられている。車体の前方から取入れた空気は、ラジエータ１２を通過し、車体側方から排出される。   In FIG. 2 of Patent Document 2, a horizontally opposed engine 6 is suspended on a body frame 2 of a saddle-ride type vehicle, and a radiator 12 for cooling the horizontally opposed engine 6 is provided on both the left and right sides of the body frame 2 and the horizontally opposed engine 6. An electric fan 22 is attached to the radiator 12. The air taken in from the front of the vehicle body passes through the radiator 12 and is discharged from the side of the vehicle body.

ここで、特許文献２の車体フレーム２の左右両側にラジエータ１２を有するタイプの鞍乗り型車両に特許文献１の側車を付設する場合について検討する。
鞍乗り型車両は、ラジエータ１２を車体フレーム２の左右両側に備え、このうち、左側のラジエータ１２の側方に側車の車体３が配置される。従って、自動二輪車のラジエータ１２から出た排風は、側車の車体に向け排出される。このため、側車の乗員に当たらないようにする技術が必要であった。 Here, the case where the side vehicle of patent document 1 is attached to the saddle-riding type vehicle having the radiator 12 on both the left and right sides of the body frame 2 of patent document 2 will be considered.
The saddle-ride type vehicle includes a radiator 12 on both left and right sides of the vehicle body frame 2, and the vehicle body 3 of the side vehicle is disposed on the side of the left radiator 12. Accordingly, the exhausted air from the radiator 12 of the motorcycle is discharged toward the vehicle body of the side vehicle. For this reason, the technique which prevents it from hitting the passenger of a side vehicle was required.

本発明は、側車の乗員にラジエータの排風が当たらないようにした側車付車両を提供することを課題とする。   SUMMARY OF THE INVENTION An object of the present invention is to provide a vehicle with a side vehicle that prevents the occupant of the side vehicle from being exposed to exhaust air from the radiator.

請求項１に係る発明は、水冷エンジンを有する自動二輪車に、側車を備えてなる側車付車両において、水冷エンジンの冷却水を冷却するラジエータが、側車の前部に配置されているとともに、自動二輪車においても、ラジエータが側車の反対側に配置される、あるいは、自動二輪車の前部に配置され、ラジエータの排風を、側車の乗員室の前方から下方へ流す排風通路が、側車の内部壁に沿って設けられることを特徴とする。 According to a first aspect of the present invention, in a vehicle with a side vehicle provided with a side vehicle in a motorcycle having a water cooling engine, a radiator for cooling the cooling water of the water cooling engine is disposed at a front portion of the side vehicle. Also in motorcycles, the radiator is arranged on the opposite side of the side vehicle, or is arranged in the front part of the motorcycle, and there is an exhaust passage that allows the exhaust air of the radiator to flow downward from the front of the passenger compartment of the side vehicle. It is provided along the inner wall of the side vehicle .

請求項２に係る発明は、ラジエータを囲うとともにラジエータへ外気を導入する空気取入口を有するカウルが側車に設けられ、空気取入口は、ラジエータの高さ中心より高位置に配置されていることを特徴とする。 In the invention according to claim 2 , a cowl having an air intake port that surrounds the radiator and introduces outside air to the radiator is provided in the side wheel, and the air intake port is disposed at a position higher than the height center of the radiator. It is characterized by.

請求項３に係る発明は、ラジエータから後方には、ラジエータダクトを延長した延長部材により排風通路が形成され、延長部材の後方には、側車の乗員室を形成する内部壁が配置されていることを特徴とする。 In the invention according to claim 3 , an exhaust passage is formed by an extension member extending a radiator duct behind the radiator, and an inner wall forming a passenger compartment of the side vehicle is arranged behind the extension member. It is characterized by being.

請求項１に係る発明では、側車の前部に水冷エンジンのラジエータが配置されているので、自動二輪車から側車へ向かう排風を無くすることができる。特に、走行風の少ない低速走行時において、側車に乗車する乗員への排風の影響を少なくすることができる。   In the invention which concerns on Claim 1, since the radiator of the water-cooled engine is arrange | positioned at the front part of the side vehicle, the exhaust wind which goes to a side vehicle from a motorcycle can be eliminated. In particular, at the time of low-speed traveling with less traveling wind, it is possible to reduce the influence of wind exhaust on the occupant riding the side vehicle.

また、ラジエータの排風を、側車の乗員室の前方から下方へ流す排風通路が設けられるので、ラジエータから排出される排風が側車の乗員に当たることなく、この排風を外部に導くことができる。 In addition , an exhaust passage is provided to allow the exhaust air of the radiator to flow downward from the front of the passenger compartment of the side vehicle, so that the exhaust air exhausted from the radiator does not hit the passenger of the side vehicle and guides this exhaust air to the outside. be able to.

請求項２に係る発明では、カウルの空気取入口は、ラジエータの高さ中心より高位置に配置されている。停車時や低速走行時はラジエータ付近の熱空気が上昇流れとなって、カウルの空気取入口から外へ出る。この結果、停車時や低速走行時にもラジエータの温度上昇を抑えることができる。 In the invention which concerns on Claim 2 , the air intake of the cowl is arrange | positioned in the position higher than the height center of a radiator. When stopping or running at low speed, hot air near the radiator rises and exits from the cowl air intake. As a result, the temperature rise of the radiator can be suppressed even when the vehicle stops or travels at a low speed.

請求項３に係る発明では、ラジエータから後方には、ラジエータダクトを延長した延長部材により排風通路が形成され、延長部材の後方には、乗員室を形成する内部壁が配置され、ラジエータの排風が、乗員室を形成する内部壁に直接当たることがないようにした。ラジエータの排風が、内部壁に直接当たらないので、ラジエータの排風によって、乗員室の温度上昇を回避することができ、乗員の快適性を高めることができる。 In the invention according to claim 3 , an exhaust passage is formed behind the radiator by an extension member extending the radiator duct, and an internal wall forming an occupant compartment is arranged behind the extension member, and the radiator is exhausted. The wind was prevented from directly hitting the inner wall forming the passenger compartment. Since the exhausted air from the radiator does not directly hit the inner wall, the exhausted air from the radiator can avoid an increase in the temperature of the passenger compartment and can improve the comfort of the passenger.

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。図中、矢印の「前」、「後」、「上」、「下」、「左」、「右」、は各々運転者からみた方向を示す。なお、図面は符号の向きに見るものとする。
図１は本発明に係る側車付車両の左側面図であり、側車付車両１０は、自動二輪車１１と、この自動二輪車１１の左側に配置する側車１２とからなる。
側車１２は、カウル１３を含む車体１４と、この車体１４の後部に側車車輪１５とを備え、側車１２の前部１２ａに自動二輪車１１に搭載する水冷エンジンの冷却水を冷却するラジエータ１９が設けられる。
自動二輪車１１において、２１は前輪、２２はウインドシールド、２３はヘッドランプ、２５は排気管、２６は乗員シート、２７は後輪、２８はテールランプである。 The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. In the figure, the arrows “front”, “rear”, “upper”, “lower”, “left”, “right” indicate directions viewed from the driver. The drawings are viewed in the direction of the reference numerals.
FIG. 1 is a left side view of a vehicle with a side vehicle according to the present invention. A vehicle 10 with a side vehicle includes a motorcycle 11 and a side vehicle 12 arranged on the left side of the motorcycle 11.
The side vehicle 12 includes a vehicle body 14 including a cowl 13 and a side vehicle wheel 15 at a rear portion of the vehicle body 14, and a radiator that cools cooling water of a water-cooled engine mounted on the motorcycle 11 at a front portion 12 a of the side vehicle 12. 19 is provided.
In the motorcycle 11, 21 is a front wheel, 22 is a windshield, 23 is a headlamp, 25 is an exhaust pipe, 26 is an occupant seat, 27 is a rear wheel, and 28 is a tail lamp.

図２は本発明に係る側車付車両の平面図である。
側車付車両１０は、その前部に水冷エンジン３１を搭載する自動二輪車１１と、この自動二輪車１１の左側方に前後のクロスフレーム３３Ｆ、３３Ｒ及び前後のタイロッド３４Ｆ、３４Ｒを介して連結する側車１２とからなる。すなわち、この側車付車両１０は、水冷エンジン３１を有する自動二輪車１１に側車１２が備えられている。 FIG. 2 is a plan view of the vehicle with a side vehicle according to the present invention.
The side vehicle-equipped vehicle 10 includes a motorcycle 11 having a water-cooled engine 31 mounted on a front portion thereof, and a side connected to the left side of the motorcycle 11 through front and rear cross frames 33F and 33R and front and rear tie rods 34F and 34R. Car 12 That is, in the vehicle 10 with a side vehicle, the side vehicle 12 is provided in the motorcycle 11 having the water cooling engine 31.

水冷エンジン３１は、その冷却水を冷却するラジエータを２つ有する。一方のラジエータ１８は、自動二輪車１１の右側部に配置され、他方のラジエータ１９は、自動二輪車１１の左側方に配置された側車１２の前部に配置される。水冷エンジン３１と一方のラジエータ１８との間を冷却水配管３６、３７で連結し、水冷エンジン３１と他方のラジエータ１９の間を冷却水配管３８、３９で連結する。   The water cooling engine 31 has two radiators that cool the cooling water. One radiator 18 is disposed on the right side of the motorcycle 11, and the other radiator 19 is disposed on the front portion of the side vehicle 12 disposed on the left side of the motorcycle 11. The water cooling engine 31 and one radiator 18 are connected by cooling water pipes 36 and 37, and the water cooling engine 31 and the other radiator 19 are connected by cooling water pipes 38 and 39.

ここで、自動二輪車１１において、４１は燃料タンク、４２は乗員ステップ、４３はラゲッジボックスである。また側車１２において、４６は乗員室、４７は乗員シート、４８はウインドシールド、４９はミラーである。   Here, in the motorcycle 11, reference numeral 41 denotes a fuel tank, 42 denotes an occupant step, and 43 denotes a luggage box. In the side wheel 12, 46 is a passenger compartment, 47 is an occupant seat, 48 is a windshield, and 49 is a mirror.

図３は本発明に係る側車付車両のフレーム構造を説明する斜視図である。
以下、先ず、自動二輪車１１の車体フレーム５１を説明し、次に、この車体フレーム５１に取り付ける側車１２のフレームである側車フレーム６１を説明する。 FIG. 3 is a perspective view for explaining the frame structure of the vehicle with a side vehicle according to the present invention.
Hereinafter, the vehicle body frame 51 of the motorcycle 11 will be described first, and then the side vehicle frame 61 that is the frame of the side vehicle 12 attached to the vehicle body frame 51 will be described.

自動二輪車の車体フレーム５１は、ヘッドパイプ５２に回動可能に設けられるとともに下方に延出されるフロントフォーク５３と、このフロントフォーク５３の上部に取り付けられる操舵ハンドル５４と、ヘッドパイプ５２から後方に延出される左右一対のメインフレーム５５、５５と、このメインフレーム５５、５５から斜め後方に延出され水冷エンジン３１が懸架される左右のダウンフレーム５６、５６と、メインフレーム５５、５５の後部から後上方に延出される左右のシートレール５７、５７と、メインフレーム５５の後部から後下方に延出され後輪２７を含む車両の後部が支持されるリヤフレーム５８とを主要構成とする。   A motorcycle body frame 51 is provided on a head pipe 52 so as to be rotatable and extends downward, a steering handle 54 attached to the upper portion of the front fork 53, and a rearward extension from the head pipe 52. A pair of left and right main frames 55 and 55 that are extended, left and right down frames 56 and 56 that extend obliquely rearward from the main frames 55 and 55 and on which the water-cooled engine 31 is suspended, and rear from the rear of the main frames 55 and 55 The main components are left and right seat rails 57, 57 that extend upward, and a rear frame 58 that extends rearward and downward from the rear portion of the main frame 55 and supports the rear portion of the vehicle including the rear wheels 27.

側車１２に備える側車フレーム６１は、左右に延出され、ダウンフレーム５６に取り付けられる前クロスフレーム３３Ｆと、同じく、左右に延出され、リヤフレーム５８に取り付けられる後クロスフレーム３３Ｒと、側車１２の車体（図２の符号１４）が支持されるとともに前クロスフレーム３３Ｆ及び後クロスフレーム３３Ｒの間を連結する第一ベースフレーム６３、第二ベースフレーム６４、第三ベースフレーム６５とを主要構成とする。   The side vehicle frame 61 included in the side vehicle 12 extends to the left and right and is attached to the down frame 56. Similarly, the side vehicle frame 61 extends to the left and right and is attached to the rear frame 58 and the rear cross frame 33R. The first base frame 63, the second base frame 64, and the third base frame 65 that support the vehicle body (reference numeral 14 in FIG. 2) of the vehicle 12 and connect the front cross frame 33F and the rear cross frame 33R are mainly used. The configuration.

そして、自動二輪車のメインフレーム５５とダウンフレーム５６とをまたいで前側ブラケット６８が固定され、シートレール５７に後側ブラケット６９が固定され、これら前側ブラケット６８及び後側ブラケット６９から側車フレーム６１に向け前後のタイロッド３４Ｆ、３４Ｒが斜め下方に延出され、前側タイロッド３４Ｆは、クロスフレーム３３Ｆと第二ベースフレーム６４との連結部に設けられたガセットＧに連結され、後側タイロッド３４Ｒは、第二ベースフレーム６４の後方に連結される。また、リヤフレーム５８と後クロスフレーム３３Ｒとの間は、中央タイロッド３４Ｍで連結されている。
この側車フレーム６１に次図で説明する側車１２の車体を取り付ける。 A front bracket 68 is fixed across the main frame 55 and the down frame 56 of the motorcycle, and a rear bracket 69 is fixed to the seat rail 57. The front bracket 68 and the rear bracket 69 are connected to the side vehicle frame 61. The front and rear tie rods 34F, 34R extend obliquely downward, the front tie rod 34F is connected to a gusset G provided at a connecting portion between the cross frame 33F and the second base frame 64, and the rear tie rod 34R is The two base frames 64 are connected to the rear. The rear frame 58 and the rear cross frame 33R are connected by a central tie rod 34M.
The vehicle body of the side vehicle 12 described in the next figure is attached to the side vehicle frame 61.

図４は本発明に係る側車の前部に内蔵するラジエータの配置を説明する断面図であり、側車１２の車体１４は、側車フレーム６１にステー７２を介して支持され乗員室４６を形成する内部壁７５と、この内部壁７５を覆う外部壁７６とを備える。   FIG. 4 is a cross-sectional view for explaining the arrangement of the radiator built in the front portion of the side vehicle according to the present invention. The vehicle body 14 of the side vehicle 12 is supported by the side vehicle frame 61 via the stay 72 and the passenger compartment 46 is defined. An inner wall 75 to be formed and an outer wall 76 covering the inner wall 75 are provided.

内部壁７５の前端上部から締結部材７７、７７を介して前方に腕部材８１が延出され、この腕部材８１の前下方に導風通路８２が延出され取り付けられるとともに、この腕部材８１から下方に向けてラジエータ１９が取り付けられる。このラジエータ１９は、排風が後下方に指向するように傾斜して支持されている。   An arm member 81 is extended forward from the upper part of the front end of the inner wall 75 via fastening members 77, 77, and an air guide passage 82 is extended and attached to the front lower side of the arm member 81. A radiator 19 is attached downward. The radiator 19 is supported in an inclined manner so that the exhausted air is directed rearward and downward.

外部壁７６の前方を構成するカウル１３は、ラジエータ１９を囲うとともにラジエータ１９へ外気を導入する空気取入口８４を有する。空気取入口８４は、ラジエータ１８の高さ中心Ｃより高い位置に配置されている。   The cowl 13 that forms the front of the outer wall 76 has an air intake 84 that surrounds the radiator 19 and introduces outside air into the radiator 19. The air intake 84 is disposed at a position higher than the height center C of the radiator 18.

ラジエータ１９の後方に且つ内部壁７５と外部壁７６との間には、ラジエータ１９の排風を乗員室４６の前方から下方へ流す排風通路８６が設けられる。
排風通路８６の出口として乗員室４６の下方に排風口８８が設けられる。
なお、本実施例において、空気取入口８４の下方にも別の空気取入口８５を設けた。 An exhaust air passage 86 is provided behind the radiator 19 and between the inner wall 75 and the outer wall 76 to allow the exhaust air of the radiator 19 to flow downward from the front of the passenger compartment 46.
An exhaust port 88 is provided below the passenger compartment 46 as an outlet of the exhaust channel 86.
In this embodiment, another air intake 85 is also provided below the air intake 84.

図５は図４の５−５線断面図であり、内部壁７５の前端部から前方に左右二本の腕部材８１Ｌ、８１Ｒを延ばし、この腕部材８１Ｌ、８１Ｒに導風通路８２及びラジエータ１９を取り付けることを示す。８７・・・（・・・は複数を示す。）は締結部材である。ラジエータ１９の上部にブラケットＢＬ、ＢＲが設けられ、このブラケットＢＬ、ＢＲが腕部材８１Ｌ、８１Ｒに連結されることにより、ラジエータ１９の上部が固定される。   FIG. 5 is a cross-sectional view taken along line 5-5 in FIG. 4, and two left and right arm members 81L and 81R are extended forward from the front end portion of the inner wall 75, and the air guide passage 82 and the radiator 19 are extended to these arm members 81L and 81R. Indicates to be attached. 87 (... indicates a plurality) is a fastening member. Brackets BL and BR are provided on the upper portion of the radiator 19, and the brackets BL and BR are connected to the arm members 81L and 81R, whereby the upper portion of the radiator 19 is fixed.

以上に述べた側車に備えるラジエータを作用を次に述べる。
図６は側車に備えるラジエータの作用説明図である。
（ａ）において、側車１２が走行する場合に、カウル１３に設けた上下の空気取入口８４、８５から、取り込んだ空気は、導風通路８２を通り、ラジエータ１９を通過して矢印Ｐ方向に流れ、排風通路８６を通って乗員室４６の下方に設けた排風口８８から排出される。 The operation of the radiator provided for the side vehicle described above will be described next.
FIG. 6 is an operation explanatory view of a radiator provided in the side vehicle.
In (a), when the side vehicle 12 travels, the air taken in from the upper and lower air intakes 84, 85 provided in the cowl 13 passes through the air guide passage 82, passes through the radiator 19, and is in the direction of arrow P. And is discharged from an exhaust port 88 provided below the passenger compartment 46 through the exhaust passage 86.

すなわち、側車１２の乗員室４６の前方から下方へ流す排風通路８６が設けられるので、ラジエータ１９から排出される排風が側車１２の乗員に当たることなく、この排風を外部に導くことができる。   That is, since the exhaust passage 86 that flows downward from the front of the passenger compartment 46 of the side vehicle 12 is provided, the exhaust air exhausted from the radiator 19 is guided to the outside without hitting the passenger of the side vehicle 12. Can do.

（ｂ）において、側車１２が停止又は低速で走行する場合に、通常空気を取り入れるカウル１３の空気取入口８４からラジエータ１９周囲の熱せられた空気を排出する。   In (b), when the side vehicle 12 stops or travels at a low speed, the heated air around the radiator 19 is discharged from the air intake 84 of the cowl 13 that normally takes in air.

カウル１３の空気取入口８４は、ラジエータ１９の高さ中心より高位置に配置されているため、停車時や低速走行時はラジエータ１９付近の熱空気が上昇する流れとなってカウルの空気取入口から外へ排出される。この結果、停車時や低速走行時にもラジエータ１９の温度上昇を抑えることができる。   Since the air intake 84 of the cowl 13 is arranged at a position higher than the center of the radiator 19, the hot air in the vicinity of the radiator 19 rises when the vehicle stops or runs at a low speed. Is discharged to the outside. As a result, the temperature rise of the radiator 19 can be suppressed even when the vehicle is stopped or traveling at a low speed.

図２に戻って、側車１２の前部１２ａに水冷エンジン３１のラジエータ１９が配置されているので、側車１２に配置するラジエータ１９と自動二輪車本体に備えるラジエータ１８とを合わせ、２つのラジエータ１８、１９で水冷エンジン３１の冷却を行うことができる。例えば、車両の左右側面に左右のラジエータを備えるタイプの自動二輪車１１に側車を付設する場合において、側車１２の前部にラジエータ１９を配置することによって、側車１２に面する側に備えたラジエータを取り外すことが可能となり、自動二輪車本体のラジエータから側車１２の乗員室４６に流れ込む排風を無くすことが可能となる。   Returning to FIG. 2, since the radiator 19 of the water-cooled engine 31 is disposed at the front portion 12a of the side vehicle 12, the radiator 19 disposed in the side vehicle 12 and the radiator 18 provided in the motorcycle main body are combined to provide two radiators. 18 and 19 can cool the water-cooled engine 31. For example, when a side vehicle is attached to a motorcycle 11 of a type that includes left and right radiators on the left and right side surfaces of the vehicle, a radiator 19 is disposed at the front of the side vehicle 12 to prepare for the side facing the side vehicle 12. Thus, it is possible to remove the radiator, and it is possible to eliminate exhaust air flowing from the radiator of the motorcycle body into the passenger compartment 46 of the side vehicle 12.

すなわち、側車１２に配置したラジエータ１９からの排風は側車側で流れを工夫することにより、簡単に処理することができる。
この結果、特に走行風の少ない低速走行時において、側車１２に乗車する乗員への排風の影響を少なくすることができる。 That is, the exhaust air from the radiator 19 arranged in the side wheel 12 can be easily processed by devising the flow on the side wheel side.
As a result, it is possible to reduce the influence of the exhaust air on the occupant who rides on the side vehicle 12, particularly when traveling at low speed with little traveling wind.

図７は図２の別実施例図であり、図２と異なる点は、自動二輪車１１の右側方に側車１２を配置し、自動二輪車１１の左側部にラジエータ１８を配置した点である。   FIG. 7 is a diagram showing another embodiment of FIG. 2, and the difference from FIG. 2 is that a side vehicle 12 is arranged on the right side of the motorcycle 11 and a radiator 18 is arranged on the left side of the motorcycle 11.

図８は図２の更なる別実施例図であり、図２と異なる点は、一方のラジエータ１８Ｂを、自動二輪車１１の前部に配置し、他方のラジエータ１９を、側車１２の前部１２ａに配置した点であり、一方のラジエータ１８Ｂを前部に配置することにより、走行風を受け易くできるため、ラジエータ１８Ｂを小型、軽量にすることができる。   FIG. 8 is a diagram showing still another embodiment of FIG. 2. The difference from FIG. 2 is that one radiator 18B is arranged in the front part of the motorcycle 11, and the other radiator 19 is arranged in the front part of the side vehicle 12. This is a point arranged at 12a. By arranging one radiator 18B at the front, it is easy to receive the traveling wind, so the radiator 18B can be made small and light.

図９は図８の変更図であり、図８と異なる点は、自動二輪車１１の右側部に側車１２を配置した点である。   FIG. 9 is a modified view of FIG. 8 and differs from FIG. 8 in that the side vehicle 12 is arranged on the right side of the motorcycle 11.

図１０は図４の別実施例図であり、ラジエータ１９から後方には、ラジエータダクト９１を延長した延長部材９３により排風通路９２が形成され、延長部材９３の後方には、側車の乗員室４６を形成する内部壁７５が配置されている。   FIG. 10 is a diagram showing another embodiment of FIG. 4, and an exhaust passage 92 is formed by an extension member 93 extending from the radiator duct 91 at the rear side of the radiator 19, and an occupant of the side vehicle is at the rear side of the extension member 93. An internal wall 75 forming the chamber 46 is arranged.

加えて、空気取入口８４Ｂの形状が下方に拡げられ、空気取入口８４Ｂから取り入れた空気が導風通路８２Ｂの上方にも流れるように、導風通路８２Ｂの向きは、斜め前下方向きに配置されている。   In addition, the direction of the air intake passage 82B is arranged diagonally forward and downward so that the shape of the air intake 84B is expanded downward and the air taken in from the air intake 84B also flows above the air intake passage 82B. Has been.

排風通路９２と内部壁７５の間には、延長部材９３が設けられ、ラジエータ１９の排風が、乗員室４６を形成する内部壁７５に直接当たることがないようにした。
さらに、空気取入口８４Ｂから取り入れた走行風が導風通路８２Ｂの上方に流れ、延長部材９３と内部壁７５の間に矢印Ｓ方向に流れるようにした。 An extension member 93 is provided between the exhaust passage 92 and the inner wall 75 so that the exhaust air from the radiator 19 does not directly hit the inner wall 75 forming the passenger compartment 46.
Further, the traveling wind taken from the air inlet 84B flows above the air guide passage 82B and flows in the direction of arrow S between the extension member 93 and the inner wall 75.

ラジエータ１９の排風が、内部壁７５に直接当たることはなく、また、走行風が延長部材９３と内部壁７５の間を流れるようにしたので、ラジエータ１９の熱を乗員室４６に伝わり難くすることができる。従って、乗員室４６の温度上昇を回避することができ、乗員の快適性を高めることができる。   The exhaust air from the radiator 19 does not directly hit the inner wall 75, and the traveling wind flows between the extension member 93 and the inner wall 75, making it difficult for the heat of the radiator 19 to be transmitted to the passenger compartment 46. be able to. Therefore, an increase in the temperature of the passenger compartment 46 can be avoided, and passenger comfort can be enhanced.

本発明は、側車付車両に好適である。   The present invention is suitable for a vehicle with a side vehicle.

本発明に係る側車付車両の左側面図である。It is a left view of the vehicle with a side vehicle which concerns on this invention. 本発明に係る側車付車両の平面図である。It is a top view of the vehicle with a side vehicle which concerns on this invention. 本発明に係る側車付車両のフレーム構造を説明する斜視図である。It is a perspective view explaining the frame structure of the vehicle with a side vehicle concerning the present invention. 本発明に係る側車の前部に内蔵するラジエータの配置を説明する断面図である。It is sectional drawing explaining arrangement | positioning of the radiator incorporated in the front part of the side vehicle which concerns on this invention. 図４の５−５線断面図である。FIG. 5 is a sectional view taken along line 5-5 of FIG. 側車に備えるラジエータの作用説明図である。It is operation | movement explanatory drawing of the radiator with which a side vehicle is equipped. 図２の別実施例図である。It is another Example figure of FIG. 図２の更なる別実施例図である。FIG. 3 is a diagram showing still another embodiment of FIG. 2. 図８の変更図である。FIG. 9 is a modification diagram of FIG. 8. 図４の別実施例図である。It is another Example figure of FIG.

符号の説明Explanation of symbols

１０…側車付車両、１１…自動二輪車、１２…側車、１３…カウル、１８…ラジエータ、１９…ラジエータ、３１…水冷エンジン、４６…乗員室、７５…内部壁、８４…空気取入口、８６…排風通路、９１…ラジエータダクト、９２…排風通路、９３…延長部材、Ｃ…ラジエータの高さ中心。   DESCRIPTION OF SYMBOLS 10 ... Vehicle with a side vehicle, 11 ... Motorcycle, 12 ... Side vehicle, 13 ... Cowl, 18 ... Radiator, 19 ... Radiator, 31 ... Water cooling engine, 46 ... Passenger room, 75 ... Internal wall, 84 ... Air intake, 86 ... Exhaust passage, 91 ... Radiator duct, 92 ... Exhaust passage, 93 ... Extension member, C ... Center of the height of the radiator.

Claims (3)

水冷エンジン（３１）を有する自動二輪車（１１）に、側車（１２）を備えてなる側車付車両において、
前記水冷エンジン（３１）の冷却水を冷却するラジエータ（１９）が、前記側車（１２）の前部に配置されているとともに、前記自動二輪車（１１）においても、ラジエータ（１８、１８Ｂ）が前記側車（１２）の反対側に配置される、あるいは、前記自動二輪車（１１）の前部に配置され、
前記ラジエータ（１９）の排風を、前記側車（１２）の乗員室（４６）の前方から下方へ流す排風通路（８６）が、前記側車（１２）の内部壁（７５）に沿って設けられることを特徴とする側車付車両。 In a vehicle with a side vehicle comprising a side vehicle (12) on a motorcycle (11) having a water-cooled engine (31) ,
A radiator (19) for cooling the cooling water of the water-cooled engine (31) is disposed at the front portion of the side vehicle (12) , and the radiator (18, 18B) is also provided in the motorcycle (11). Arranged on the opposite side of the side vehicle (12) or on the front of the motorcycle (11),
The exhaust air before Symbol radiator (19), the passenger compartment of the side wheel (12) exhaust air passage (86) to flow from the front to the lower (46), the inner wall (75) of the side wheel (12) along the side car with the vehicle it characterized in that it is provided. 前記ラジエータ（１９）を囲うとともに前記ラジエータ（１９）へ外気を導入する空気取入口（８４）を有するカウル（１３）が前記側車（１２）に設けられ、前記空気取入口（８４）は、前記ラジエータ（１９）の高さ中心より高位置に配置されていることを特徴とする請求項１記載の側車付車両。 The air intake cowl having an inlet (84) together with surrounding the radiator (19) for introducing outside air into the radiator (19) (13) is provided on the side wheel (12), said air inlet (84), sidecar with vehicle according to claim 1 Symbol mounting, characterized in that it is disposed at a height position than the height center of the radiator (19). 前記ラジエータ（１９）から後方には、ラジエータダクト（９１）を延長した延長部材（９３）により排風通路（８６）が形成され、前記延長部材（９３）の後方には、前記側車（１２）の乗員室（４６）を形成する内部壁（７５）が配置されていることを特徴とする請求項１記載の側車付車両。 An exhaust passage (86) is formed behind the radiator (19) by an extension member (93) extending from the radiator duct (91), and behind the extension member (93) , the side wheel (12 sidecar with vehicle according to claim 1, wherein the inner wall (75) is arranged which forms the passenger compartment (46) of).
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