JP2012224101A - Vehicle air volume control device - Google Patents

Vehicle air volume control device Download PDF

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JP2012224101A
JP2012224101A JP2011090472A JP2011090472A JP2012224101A JP 2012224101 A JP2012224101 A JP 2012224101A JP 2011090472 A JP2011090472 A JP 2011090472A JP 2011090472 A JP2011090472 A JP 2011090472A JP 2012224101 A JP2012224101 A JP 2012224101A
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blade
opening
automobile
air volume
respect
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JP5895352B2 (en
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Mamoru Oishi
守 大石
Masahisa Omori
正久 大森
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Oiles Eco Corp
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Oiles Eco Corp
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    • 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
    • B60K11/08—Air inlets for cooling; Shutters or blinds therefor
    • B60K11/085—Air inlets for cooling; Shutters or blinds therefor with adjustable shutters or blinds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a simple, inexpensive and lightweight vehicle air volume control device that adjusts the volume of air flowing into a vehicle according to the traveling speed of the vehicle.SOLUTION: The vehicle air volume control device 1 includes: blades 5, 6 arranged to open and close an opening 4 where an air flow 7 from a front grille 3 passes; and opening and closing means 8, 9 for causing the blades 5 and 6 to open and close the opening 4 on the basis of the air flow 7 from the front grille 3. The opening and closing means 8 includes: a support mechanism 19 that supports one portion 18 of the blade 5 so as to move up and down; and a support mechanism 21 that supports the other portion 20 of the blade 5 located below, in a vertical direction Z, relative to the portion 18 of the blade 5, so as to move in a front/rear direction X.

Description

本発明は、電気自動車等の自動車のフロントグリルから流入される気流の風量を調整する自動車用の風量調整装置に関する。   The present invention relates to an air volume adjusting device for an automobile that adjusts the air volume of an airflow flowing from a front grill of the automobile such as an electric vehicle.

例えば特許文献１においては、ラジエータへの通風量を調節することを目的に、ラジエータの前方に配置される可変グリルユニットにおいて、前記可変グリルユニットは、車体に移動可能に取付けられたグリルと、このグリルを内蔵ワックスの熱膨張収縮で開閉するサーモワックスエレメントと、このサーモワックスエレメントのワックスを膨張せしめるヒータエレメントと、このヒータエレメントへの通電をラジエータに取付けられた水温センサの水温情報に基づいて制御する制御部とからなるラジエータ用可変グリルユニットが提案されている。   For example, in Patent Document 1, for the purpose of adjusting the amount of ventilation to the radiator, in the variable grill unit disposed in front of the radiator, the variable grill unit includes a grill movably attached to a vehicle body, A thermo wax element that opens and closes the grill by thermal expansion and contraction of the built-in wax, a heater element that expands the wax of the thermo wax element, and energization to the heater element is controlled based on water temperature information of a water temperature sensor attached to the radiator There has been proposed a variable grill unit for a radiator including a control unit.

特開平６−１０６７１号公報JP-A-6-10671

ところで、自動車の走行中、特に高速走行中において車体内に流入される風量が増加された際には自動車室内や動力源が冷却されすぎたり、雨水が浸入したりする虞がある。また、特許文献１のラジエータ用可変グリルユニットでは、グリルを内蔵ワックスの熱膨張収縮で開閉するように構成されているが、斯かる構成には各種エレメント、水温センサ、制御部が必要となるために装置の複雑化、高価格化、重量増加を招来し得る。   By the way, when the amount of air flowing into the vehicle body is increased while the vehicle is traveling, particularly during high-speed traveling, there is a risk that the interior of the vehicle or the power source will be overcooled or rainwater may enter. Further, in the radiator variable grill unit of Patent Document 1, the grill is configured to open and close by the thermal expansion and contraction of the built-in wax. However, this configuration requires various elements, a water temperature sensor, and a control unit. In addition, the apparatus may be complicated, expensive, and increase in weight.

本発明は、前記諸点に鑑みてなされたものであって、その目的とするところは、自動車の走行速度に応じて車体内に流入される風量を調整することができると共に装置の簡素化、低廉化、軽量化を図り得る自動車用の風量調整装置を提供することにある。   The present invention has been made in view of the above-described points, and an object of the present invention is to be able to adjust the amount of air flowing into the vehicle body according to the traveling speed of the automobile, and to simplify and reduce the cost of the apparatus. An object of the present invention is to provide an air volume adjusting device for automobiles that can be reduced in weight and weight.

本発明の自動車用の風量調整装置は、自動車の先端部を覆っているフロントグリルから流入する気流が通過する開口を開閉するように配設された羽根と、前記フロントグリルから流入する気流に基づいて前記羽根に前記開口を開閉させる開閉手段とを具備しており、開閉手段は、羽根の一の部位を昇降自在に支持する第一の支持機構と、羽根の一の部位に対して鉛直方向に関して一方側に位置する羽根の他の部位を自動車の前後方向に移動自在に支持する第二の支持機構とを具備しており、羽根の他の部位は、羽根の他の部位が羽根の一の部位に対して下方に位置している場合であって羽根が開口閉鎖位置にある際には当該羽根の重心に対して自動車の先端部側に位置するように、羽根の他の部位が羽根の一の部位に対して上方に位置している場合であって羽根が開口閉鎖位置にある際には当該羽根の重心に対して自動車の後端部側に位置するように配されている。   An air volume adjusting device for an automobile according to the present invention is based on blades arranged to open and close an opening through which an airflow flowing in from a front grill covering a front end of the automobile passes, and an airflow flowing in from the front grill. Opening and closing means for opening and closing the opening to the blade, the opening and closing means is a first support mechanism that supports a part of the blade to be raised and lowered, and a vertical direction with respect to the one part of the blade A second support mechanism that supports the other part of the blade located on one side so as to be movable in the longitudinal direction of the automobile. The other part of the blade is located on the front end side of the automobile with respect to the center of gravity of the blade when the blade is in the closed position. Located above one part of When a case the blade in the open closed position is arranged so as to be positioned on the rear end side of the motor vehicle with respect to the center of gravity of the blade.

本発明の自動車用の風量調整装置によれば、特に、開閉手段は、フロントグリルから流入する気流が通過する開口を開閉するように配設された羽根の一の部位を昇降自在に支持する第一の支持機構と、羽根の一の部位に対して鉛直方向に関して一方側に位置する羽根の他の部位を自動車の前後方向に移動自在に支持する第二の支持機構とを具備しており、羽根の他の部位は、羽根の他の部位が羽根の一の部位に対して下方に位置している場合であって羽根が開口閉鎖位置にある際には当該羽根の重心に対して自動車の先端部側に位置するように、羽根の他の部位が羽根の一の部位に対して上方に位置している場合であって羽根が開口閉鎖位置にある際には当該羽根の重心に対して自動車の後端部側に位置するように配されているために、羽根の自重に基づいて当該羽根を開口開放位置に配置することができるので、自動車の低速走行時においては十分な通風量を確保することができる一方、フロントグリルから流入する気流の増加に応じて羽根に開口閉鎖を行わせることができるので、自動車の高速走行時においては開口を狭めて通風量を調整することができ、而して、自動車の走行速度に応じて車体内に流入される風量を調整することができると共に装置の簡素化、低廉化、軽量化を図り得る。   According to the air volume adjusting device for an automobile of the present invention, in particular, the opening / closing means supports the one portion of the blade disposed so as to open and close so that the airflow flowing in from the front grill passes through the first portion. One support mechanism, and a second support mechanism that supports the other part of the blade that is located on one side with respect to the one part of the blade in the vertical direction so as to be movable in the longitudinal direction of the automobile. The other part of the blade is when the other part of the blade is located below the one part of the blade and when the blade is in the open closed position, When the other part of the blade is positioned above the one part of the blade so that it is located on the tip side, and when the blade is in the open closed position, the center of gravity of the blade Because it is arranged to be located on the rear end side of the car, it Since the blade can be arranged at the opening opening position based on its own weight, a sufficient amount of air flow can be secured when the vehicle is traveling at a low speed, while the blade can be adjusted according to an increase in the airflow flowing from the front grille. Since the opening can be closed, the opening can be narrowed to adjust the air flow rate when the car is running at high speed, and the air volume flowing into the vehicle body can be adjusted according to the running speed of the car. In addition, the apparatus can be simplified, reduced in cost, and reduced in weight.

上述の本発明の自動車用の風量調整装置では、羽根の他の部位は、羽根の他の部位が羽根の一の部位に対して下方に位置しており、羽根が開口閉鎖位置にある際には当該羽根の重心に対して自動車の先端部側に位置するように配されていてもよい。   In the above-described air volume adjusting device for an automobile according to the present invention, when the other part of the blade is positioned below the other part of the blade and the blade is in the opening closed position, May be arranged so as to be positioned on the front end side of the automobile with respect to the center of gravity of the blade.

上述の本発明の自動車用の風量調整装置では、羽根の他の部位は、羽根の他の部位が羽根の一の部位に対して上方に位置しており、羽根が開口閉鎖位置にある際には当該羽根の重心に対して自動車の後端部側に位置するように配されていてもよい。   In the above-described air volume adjusting device for an automobile according to the present invention, when the other part of the blade is located above the one part of the blade, the other part of the blade is in the open closed position. May be arranged so as to be located on the rear end side of the automobile with respect to the center of gravity of the blade.

本発明によれば、自動車の走行速度に応じて車体内に流入される風量を調整することができると共に装置の簡素化、低廉化、軽量化を図り得る自動車用の風量調整装置を提供し得る。   ADVANTAGE OF THE INVENTION According to this invention, the air volume adjusting device for motor vehicles which can adjust the air volume inflowed into a vehicle body according to the driving speed of a motor vehicle, and can aim at simplification of an apparatus, reduction in price, and weight reduction can be provided. .

図１は、本発明の実施の形態の例の使用説明図である。FIG. 1 is an explanatory diagram of the use of an example of an embodiment of the present invention. 図２は、図１に示す風量調整装置の開口開放に関する側面説明図である。FIG. 2 is an explanatory side view relating to opening of the air volume adjusting device shown in FIG. 図３は、図１に示す風量調整装置の開口閉鎖に関する側面説明図である。FIG. 3 is an explanatory side view relating to closing of the opening of the air volume adjusting device shown in FIG. 1. 図４は、図１に示す風量調整装置の一部説明図である。FIG. 4 is a partial explanatory diagram of the air volume adjusting device shown in FIG. 1. 図５は、図１に示す風量調整装置の開口開放に関する一部拡大説明図である。FIG. 5 is a partially enlarged explanatory diagram relating to opening of the air volume adjusting device shown in FIG. 1. 図６は、図１に示す風量調整装置の開口閉鎖に関する一部拡大説明図である。FIG. 6 is a partially enlarged explanatory diagram relating to opening closing of the air volume adjusting device shown in FIG. 1. 図７は、図１に示す例の使用説明図である。FIG. 7 is a diagram illustrating the use of the example shown in FIG. 図８は、図１に示す例の他の使用説明図である。FIG. 8 is another explanatory diagram of use of the example shown in FIG.

次に本発明を、図に示す好ましい実施の形態の例に基づいて更に詳細に説明する。なお、本発明はこれら例に何等限定されないのである。   Next, the present invention will be described in more detail based on an example of a preferred embodiment shown in the drawings. The present invention is not limited to these examples.

図１から図７において、自動車用の風量調整装置１（以下、風量調整装置１と称する）は、自動車２の先端部を覆っているフロントグリル３から流入する気流７が通過する開口４を開閉するように配設された羽根、本例では二枚の羽根５及び６と、フロントグリル３から流入する気流７に基づいて羽根５及び６に開口４を夫々開閉させる開閉手段８及び９とを具備している。自動車２は、電動機を動力源とする電気自動車からなっていてもよい。   1 to 7, an air volume adjusting device 1 for an automobile (hereinafter referred to as an air volume adjusting device 1) opens and closes an opening 4 through which an airflow 7 flowing from a front grill 3 covering a front end portion of the automobile 2 passes. The blades arranged in such a manner, two blades 5 and 6 in this example, and opening / closing means 8 and 9 for opening and closing the opening 4 in the blades 5 and 6 based on the airflow 7 flowing from the front grill 3 respectively. It has. The vehicle 2 may be an electric vehicle that uses an electric motor as a power source.

フロントグリル３から流入された気流７は、図１に示すように開口４の開放時においては当該開口４を介してエンジンルームや車室１０内へと流入される一方、図７に示すように開口４の閉鎖時においては開口４を介するエンジンルームや車室１０内への流入は遮断されて車体外に吹き抜ける吹抜け口１１を通過して車体外に流出される。   As shown in FIG. 7, the airflow 7 flowing in from the front grille 3 flows into the engine room and the vehicle compartment 10 through the opening 4 when the opening 4 is opened, as shown in FIG. When the opening 4 is closed, the inflow into the engine room or the vehicle compartment 10 through the opening 4 is blocked and flows out of the vehicle body through the blowout opening 11 through which the vehicle is blown out of the vehicle body.

羽根５は羽根６の上方に配されている。図６に示す開口閉鎖時においては、羽根５の下端部１２は羽根６の上端部１３に当接し、これにより当該羽根５及び６は互いに協働して開口４を閉鎖する。   The blade 5 is arranged above the blade 6. When the opening shown in FIG. 6 is closed, the lower end portion 12 of the blade 5 abuts on the upper end portion 13 of the blade 6, whereby the blades 5 and 6 cooperate with each other to close the opening 4.

羽根５及び６は互いに同様に形成されており、開閉手段８及び９もまた互いに同様に形成されているので、以下、羽根５及び開閉手段８について詳細に説明し、羽根６及び開閉手段９については図に適宜符号ａを付してこれらの詳細な説明を省略する。   Since the blades 5 and 6 are formed in the same manner and the opening and closing means 8 and 9 are also formed in the same manner, the blade 5 and the opening and closing means 8 will be described in detail below. The figure is appropriately marked with a to omit detailed description thereof.

羽根５は、本例では自動車２の横方向Ｙに沿って伸びた矩形板状体からなり、その下端部１２には羽根６の上端部１３に当接する当接段部１４が形成されている。   In this example, the blade 5 is formed of a rectangular plate-like body extending along the lateral direction Y of the automobile 2, and a contact step portion 14 that contacts the upper end portion 13 of the blade 6 is formed at the lower end portion 12 thereof. .

羽根５は、その自重に基づいて自動車２の先端部側２５に向かって移動を生じて、図３及び図６に示す開口閉鎖位置から図２及び図５に示す開口開放位置に向かって開口開放移動し、これにより開口４を開くようになっている。また、羽根５は、フロントグリル３から流入する気流７に基づいて自動車２の後端部側２６に向かって移動を生じて、図２及び図５に示す開口開放位置から図３及び図６に示す開口閉鎖位置に向かって開口閉鎖移動し、これにより開口４を閉じるようになっている。羽根５は、自動車２の停止時においては開口開放位置で静止した状態となり、自動車２の走行に起因して生じる気流７に応じて開口閉鎖移動によって開口４を狭めるようになっている。   The blade 5 moves toward the front end 25 of the automobile 2 based on its own weight, and opens from the opening closing position shown in FIGS. 3 and 6 toward the opening opening position shown in FIGS. 2 and 5. It moves so that the opening 4 is opened. Further, the blade 5 is moved toward the rear end portion side 26 of the automobile 2 based on the airflow 7 flowing from the front grill 3, and is moved from the opening open position shown in FIGS. 2 and 5 to FIGS. 3 and 6. The opening closing movement is performed toward the opening closing position shown, whereby the opening 4 is closed. The blade 5 is in a stationary state at the opening opening position when the automobile 2 is stopped, and the opening 4 is narrowed by opening closing movement in accordance with the air flow 7 generated due to the traveling of the automobile 2.

開閉手段８は、開口４を画成している通気路１５に装着される縦長の支持部材１６と、羽根５を支持部材１６に連結していると共に、羽根５の上端１７側の一の部位１８を鉛直方向Ｚにおいて昇降自在に支持する第一の支持機構１９と、羽根５を支持部材１６に連結していると共に、羽根５の部位１８に対して下方に位置する当該羽根５の他の部位２０を自動車２の前後方向Ｘに移動自在に支持する第二の支持機構２１とを具備している。   The opening / closing means 8 connects the vertically long support member 16 mounted on the air passage 15 defining the opening 4, the blade 5 to the support member 16, and one part on the upper end 17 side of the blade 5. The first support mechanism 19 that supports the blade 18 so as to be movable up and down in the vertical direction Z, and the blade 5 is connected to the support member 16, and the other blade 5 is positioned below the portion 18 of the blade 5. And a second support mechanism 21 that supports the part 20 so as to be movable in the longitudinal direction X of the automobile 2.

羽根５の部位２０は、羽根５が開口閉鎖位置にある場合に当該羽根５の重心Ｇに対して自動車２の先端部側２５に位置するように配されている。   The portion 20 of the blade 5 is disposed so as to be positioned on the tip end side 25 of the automobile 2 with respect to the center of gravity G of the blade 5 when the blade 5 is in the opening closed position.

支持機構１９は、羽根５の上端１７の部位１８に装着されていると共に支持部材１６に対して昇降する軸体３１と、部位１８を昇降させる方向に伸びていると共に部位１８に接して当該部位１８を昇降自在に支持するように支持部材１６に形成された支持面３２とを具備している。   The support mechanism 19 is attached to the part 18 at the upper end 17 of the blade 5 and extends in the direction in which the part 18 is moved up and down with respect to the shaft member 31 that moves up and down relative to the support member 16. And a support surface 32 formed on the support member 16 so as to be able to move up and down.

軸体３１には転動ローラが装着されていてもよい。軸体３１は、斯かる転動ローラの装着によって支持面３２に円滑に案内支持される。   A rolling roller may be attached to the shaft body 31. The shaft body 31 is smoothly guided and supported on the support surface 32 by the mounting of the rolling roller.

支持部材１６には、部位１８を昇降させる方向に伸びた長孔又はスリット、本例では長孔３３が形成されており、支持面３２は、長孔３３を画成している面からなる。支持面３２は、鉛直方向Ｚに伸びた部位３４と、当該部位３４の上端に連接していると共に先端部側２５から後端部側２６に向かって上方に傾斜する方向に伸びた部位３５とを具備している。部位３４においては軸体３１を鉛直方向Ｚに案内支持し、部位３５においては軸体３１を前記傾斜する方向に案内支持する。尚、支持面３２は、部位３５を省略して鉛直方向Ｚに伸びた部位３４のみから形成されていてもよい。   The support member 16 is formed with a long hole or slit extending in the direction of moving up and down the portion 18, in this example, a long hole 33, and the support surface 32 is a surface that defines the long hole 33. The support surface 32 includes a part 34 extending in the vertical direction Z, a part 35 connected to the upper end of the part 34, and a part 35 extending in a direction inclined upward from the front end side 25 toward the rear end side 26. It has. In the part 34, the shaft body 31 is guided and supported in the vertical direction Z, and in the part 35, the shaft body 31 is guided and supported in the tilting direction. Note that the support surface 32 may be formed only from the portion 34 that extends in the vertical direction Z while omitting the portion 35.

支持機構２１は、部位２０に装着されている軸体４１と、前後方向Ｘに伸びていると共に部位２０に接して当該部位２０を前後方向Ｘに移動自在に支持するように支持部材１６に形成された支持面４２とを具備している。   The support mechanism 21 is formed on the support member 16 so as to support the shaft body 41 attached to the portion 20 and the portion 20 extending in the front-rear direction X and in contact with the portion 20 so as to be movable in the front-rear direction X. The support surface 42 is provided.

軸体４１には転動ローラが装着されていてもよい。軸体４１は、斯かる転動ローラの装着によって支持面４２に円滑に案内支持される。   A rolling roller may be attached to the shaft body 41. The shaft body 41 is smoothly guided and supported on the support surface 42 by the mounting of the rolling roller.

部位２０に装着された軸体４１は、羽根５が開口閉鎖位置にある場合に当該羽根５の重心Ｇに対して上方に且つ先端部側２５に位置するように配されている。軸体４１は、羽根５が開口開放位置にある場合に羽根５の重心Ｇと鉛直方向Ｚに伸びる同一直線上に位置する。   The shaft body 41 attached to the part 20 is disposed so as to be positioned above the center of gravity G of the blade 5 and on the distal end side 25 when the blade 5 is in the open closed position. The shaft body 41 is positioned on the same straight line that extends in the vertical direction Z with the gravity center G of the blade 5 when the blade 5 is in the opening open position.

支持面４２は、支持部材１６に前後方向Ｘに伸びて形成された長孔４３を画成する面からなる。羽根５が開口開放位置から開口閉鎖位置に配される場合に当該羽根５の部位２０に当接する支持面４２の部位４５は前後方向Ｘに伸びており、軸体４１を前後方向Ｘに直動自在に支持するようになっている。羽根５が開口開放位置にある場合に当該羽根５に当接する支持面４２の部位Ｐ１に対して先端部側１２に位置する当該支持面４２の部位４６は、水平線に対して先端部２５側から後端部２６側に向かって下方に傾斜している。部位４６における接線の水平線に対する傾斜角は、先端部２５側から後端部２６側に向かって漸減している。部位４６に当接する軸体４１は、後端部２６側から先端部２５側への移動により上方に変位する一方、先端部側２５側から後端部２６側への移動により下方に変位する。部位Ｐ１における接線の水平線に対する傾斜角は０度である。   The support surface 42 includes a surface that defines a long hole 43 formed in the support member 16 so as to extend in the front-rear direction X. When the blade 5 is arranged from the opening open position to the opening closed position, the portion 45 of the support surface 42 that contacts the portion 20 of the blade 5 extends in the front-rear direction X, and the shaft body 41 moves linearly in the front-rear direction X. Supports freely. When the blade 5 is in the opening open position, the portion 46 of the support surface 42 located on the tip end side 12 with respect to the portion P1 of the support surface 42 that contacts the blade 5 is from the tip portion 25 side with respect to the horizontal line. It inclines downward toward the rear end portion 26 side. The inclination angle of the tangent line at the part 46 with respect to the horizontal line gradually decreases from the front end portion 25 side toward the rear end portion 26 side. The shaft body 41 contacting the part 46 is displaced upward by movement from the rear end portion 26 side to the front end portion 25 side, and is displaced downward by movement from the front end portion side 25 side to the rear end portion 26 side. The inclination angle of the tangent line at the site P1 with respect to the horizontal line is 0 degree.

斯かる支持機構１９及び２１は、部位１８及び２０を夫々横方向Ｙに伸びた水平軸の回りで回動自在に夫々支持している。支持部材１６は、本例では羽根５の横方向Ｙにおける両端部の夫々に隣接して設けられており、支持機構１９及び２１の夫々は、羽根５の横方向Ｙにおける両端部の夫々において当該羽根５及び支持部材１６に連結されている。   Such support mechanisms 19 and 21 respectively support the portions 18 and 20 so as to be rotatable around a horizontal axis extending in the lateral direction Y. In this example, the support member 16 is provided adjacent to both end portions in the lateral direction Y of the blade 5, and the support mechanisms 19 and 21 are respectively connected to both end portions in the lateral direction Y of the blade 5. The blade 5 and the support member 16 are connected.

羽根５が開口開放位置にある場合には、羽根５の重心Ｇと部位２０とが鉛直方向Ｚに伸びる同一直線上に夫々位置するために、羽根５はその自重によりバランスを保って静止する。斯かる静止状態にある羽根５は、気流７に基づいて開口閉鎖移動自在な状態にある。ここで、自動車２の走行により、フロントグリル３から流入される気流７が生じると、羽根５が当該気流７に基づいて開口開放位置から開口閉鎖移動し、これにより、部位２０が重心Ｇに対して先端部側２５に位置するために、羽根５には開口閉鎖移動力に抗する抗移動力としての開口開放移動力が与えられる。開口閉鎖移動力が抗移動力としての開口開放移動力よりも上回っている場合には、羽根５は開口閉鎖移動をし、また、開口閉鎖移動力が抗移動力としての開口開放移動力よりも下回っている場合には、羽根５は開口開放移動をして開口開放位置に復帰する。   When the blades 5 are in the opening open position, the center of gravity G of the blades 5 and the portion 20 are located on the same straight line extending in the vertical direction Z, so that the blades 5 are kept in balance by their own weight. The blade 5 in such a stationary state is in a state in which the opening can be closed and closed based on the airflow 7. Here, when the air flow 7 flowing from the front grille 3 is generated by the traveling of the automobile 2, the blade 5 moves from the opening open position to the opening closing position based on the air flow 7. Therefore, the blade 5 is provided with an opening opening moving force as an anti-moving force against the opening closing moving force. When the opening closing moving force exceeds the opening opening moving force as the anti-moving force, the blade 5 performs the opening closing movement, and the opening closing moving force is larger than the opening opening moving force as the anti-moving force. If it is lower, the blade 5 moves to open the opening and returns to the opening opening position.

羽根５が開口閉鎖位置にある場合には、部位２０と重心Ｇとを結ぶ線は、鉛直線に対して、先端部側２５から後端部側２６に向かって下方に傾斜しており、この傾斜角は、羽根５が開口開放移動によって開口開放位置に近づくに連れて漸減し、羽根５が開口開放位置に配された際に０度となる。部位２０と重心Ｇとを結ぶ線が鉛直線に対して先端部側２５から後端部側２６に向かって下方に傾斜している場合には、羽根５にはその自重に基づく開口開放移動力が付与され、部位２０と重心Ｇとを結ぶ線の鉛直線に対する傾斜角が０度となった場合には、部位２０の位置と重心Ｇの位置との関係における開口開放移動力は生じない。   When the blade 5 is in the opening closed position, the line connecting the portion 20 and the center of gravity G is inclined downward from the front end side 25 toward the rear end side 26 with respect to the vertical line. The inclination angle gradually decreases as the blade 5 approaches the opening opening position by the opening opening movement, and becomes 0 degrees when the blade 5 is arranged at the opening opening position. When a line connecting the portion 20 and the center of gravity G is inclined downward from the front end portion side 25 toward the rear end portion side 26 with respect to the vertical line, the blade 5 has an opening opening moving force based on its own weight. When the inclination angle of the line connecting the part 20 and the center of gravity G with respect to the vertical line becomes 0 degree, the opening opening moving force in the relationship between the position of the part 20 and the position of the center of gravity G does not occur.

支持面４２は、本例では、部位４５において、前後方向Ｘに伸びており、軸体４１を前後方向Ｘに直動自在に支持するようになっているが、例えば、支持面４２の後端部側２６の部位が水平線に対して先端部側２５から後端部側２６に向かって上方に傾斜していてもよく、斯かる場合には、前記支持面４２の後端部側２６の部位における接線の水平線に対する傾斜角は、先端部側２５から後端部側２６に向かって漸増していてもよい。また、支持面４２の後端部側２６の部位における接線の水平線に対する傾斜角が先端部側２５から後端部側２６に向かって漸増している場合には、当該支持面４２の後端部側２６の部位において、羽根５が先端部側２５から開口閉鎖位置に向かって開口閉鎖移動するに連れて、開口閉鎖移動力に抗する抗移動力を漸増させることができる。   In this example, the support surface 42 extends in the front-rear direction X at the portion 45 and supports the shaft body 41 so as to be movable in the front-rear direction X. For example, the rear end of the support surface 42 The portion 26 may be inclined upward from the front end 25 toward the rear end 26 with respect to the horizontal line. In such a case, the rear end 26 of the support surface 42 may be provided. The inclination angle of the tangent line with respect to the horizontal line may gradually increase from the front end portion side 25 toward the rear end portion side 26. Further, when the inclination angle of the tangent line with respect to the horizontal line at the rear end side 26 portion of the support surface 42 gradually increases from the front end side 25 toward the rear end side 26, the rear end portion of the support surface 42 In the part of the side 26, the anti-movement force against the opening closing movement force can be gradually increased as the blade 5 moves from the tip side 25 toward the opening closing position.

本例の風量調整装置１による開口開閉動作について以下説明する。自動車２の停止時においては、羽根５は開口開放位置で静止している。自動車２の走行においてフロントグリル３に流入される気流７が生じた際には、羽根５に対して先端部側２５が正圧に且つ後端部側２６が負圧になり、当該羽根５には気流７に基づく開口閉鎖移動力が付与され、この気流７に基づく開口閉鎖移動力によって羽根５が開口閉鎖移動し、開口４は狭められ、最終的には図３及び図６に示すように開口４を全閉する。開口４の全閉時においては、フロントグリル３から流入される気流７は吹抜け口１１を介して自動車２の車体外に排出される。羽根５の開口閉鎖移動量は、自動車２の走行速度上昇による気流７の風量増加に応じて増加する一方、自動車２の走行速度低下による気流７の風量減少に応じて減少する。このため、本例の風量調整装置１によれば、自動車２の走行速度が変化してもエンジンルームや車室１０内に流入する気流７を定風量に調整することができる。   The opening / closing operation by the air volume adjusting device 1 of this example will be described below. When the automobile 2 is stopped, the blades 5 are stationary at the opening opening position. When the air flow 7 flowing into the front grill 3 is generated during the traveling of the automobile 2, the front end side 25 becomes positive pressure and the rear end side 26 becomes negative pressure with respect to the blade 5. Is applied with an opening closing movement force based on the air flow 7, and the opening closing movement force based on the air flow 7 causes the blades 5 to open and close, the opening 4 is narrowed, and finally, as shown in FIGS. The opening 4 is fully closed. When the opening 4 is fully closed, the airflow 7 flowing from the front grill 3 is discharged out of the vehicle body of the automobile 2 through the blowout opening 11. The opening closing movement amount of the blades 5 increases according to the increase in the air volume of the air flow 7 due to the increase in the traveling speed of the automobile 2, while it decreases according to the decrease in the air volume of the air current 7 due to the decrease in the traveling speed of the automobile 2. For this reason, according to the air volume adjusting device 1 of the present example, the air flow 7 flowing into the engine room or the passenger compartment 10 can be adjusted to a constant air volume even if the traveling speed of the automobile 2 changes.

気流７に基づく開口閉鎖移動力が生じなくなると、羽根５は、部位２０が前後方向Ｘにおいて重心Ｇに対して先端部側２５に位置しているために、羽根５には開口開放位置に向かう回動モーメントが付与され、羽根５は開口開放移動を開始する。軸体３１は、部位２０の先端部側２５に向かう移動に伴い、支持面３２に沿って下降する。羽根５に付与される開口開放位置に向かう回動モーメントは、羽根５が開口開放位置に近づくに連れて、部位２０と重心Ｇとを結ぶ線の鉛直線に対する傾斜角が漸減するために、次第に小さくなる。羽根５が開口開放移動により開口開放位置に到達すると、部位２０と重心Ｇとが鉛直方向Ｚに伸びる同一直線上に位置し、これにより羽根５の自重に基づく開口開放移動力が生じなくなり、而して、羽根５は開口開放位置で再び静止する。尚、羽根５が開口開放位置から開口閉鎖位置に向かって開口閉鎖移動する場合には、羽根５に付与される開口開放位置に向かう回動モーメントは次第に大きくなるので、前記開口閉鎖移動に抗する抗移動力としての開口開放移動力が漸増する。   When the opening closing movement force based on the airflow 7 is not generated, the blade 5 is directed to the opening opening position on the blade 5 because the portion 20 is located on the distal end side 25 with respect to the center of gravity G in the front-rear direction X. A rotation moment is applied, and the blade 5 starts opening movement. The shaft body 31 descends along the support surface 32 as it moves toward the distal end side 25 of the part 20. The turning moment applied to the blade 5 toward the opening opening position gradually decreases the inclination angle of the line connecting the portion 20 and the center of gravity G with respect to the vertical line as the blade 5 approaches the opening opening position. Get smaller. When the blade 5 reaches the opening opening position by the opening opening movement, the part 20 and the center of gravity G are located on the same straight line extending in the vertical direction Z, and thereby the opening opening moving force based on the weight of the blade 5 is not generated. Then, the blades 5 come to rest again at the opening open position. When the blade 5 moves from the opening open position toward the opening closed position, the rotational moment applied to the blade 5 toward the opening opening position gradually increases, and thus resists the opening closing movement. The opening opening moving force as the anti-moving force gradually increases.

羽根５が気流に基づいて開口開放位置から先端部２５側に向かって更に移動された場合には、部位４６が水平線に対して先端部側２５から後端部側２６に向かって下方に傾斜しているために、羽根５には、羽根５の先端部側２５に向かう移動力に抗する開口開放位置に向かう抗移動力が与えられ、斯かる抗移動力が羽根５の先端部側２５に向かう移動力を上回る場合には、羽根５は開口開放位置に向かって後端部側２６に移動して、開口開放位置に復帰する。ここで、部位４６における接線の水平線に対する傾斜角は、先端部側２５から後端部側２６に向かって漸減しているために、羽根５が開口開放位置から先端部側２５に向かって移動されるに連れて、羽根５の先端部側２５側に向かう移動力に抗する開口開放位置に向かう抗移動力は漸増する。   When the blade 5 is further moved from the opening opening position toward the front end portion 25 side based on the airflow, the portion 46 is inclined downward from the front end side 25 toward the rear end side 26 with respect to the horizontal line. Therefore, the blade 5 is given a drag force toward the opening opening position against the moving force toward the tip end side 25 of the vane 5, and such a drag force is applied to the tip end side 25 of the vane 5. When exceeding the moving force which goes to, the blade | wing 5 moves to the rear-end part side 26 toward an opening opening position, and returns to an opening opening position. Here, the inclination angle of the tangent line with respect to the horizontal line at the portion 46 gradually decreases from the front end side 25 toward the rear end side 26, so that the blade 5 is moved from the opening open position toward the front end side 25. Accordingly, the anti-movement force toward the opening opening position against the movement force toward the tip 25 side of the blade 5 gradually increases.

以上の風量調整装置１によれば、自動車２の先端部を覆っているフロントグリル３から流入する気流７が通過する開口４を開閉するように配設された羽根５及び６と、前記フロントグリル３から流入する気流７に基づいて前記羽根５及び６に前記開口４を開閉させる開閉手段８及び９とを具備しており、開閉手段８は、羽根５の一の部位１８を昇降自在に支持する支持機構１９と、羽根５の部位１８に対して鉛直方向Ｚに関して一方側、本例では下方側に位置する羽根５の他の部位２０を前後方向Ｘに移動自在に支持する支持機構２１とを具備しており、羽根５の部位２０は、羽根５の部位２０が部位１８に対して下方に位置している場合であって羽根が開口閉鎖位置にある際に、当該羽根５の重心Ｇに対して自動車２の先端部側２５に位置するように配されており、羽根６及び開閉手段９もまた羽根５及び開閉手段８と同様に形成されているために、羽根５及び６の自重に基づいて当該羽根５及び６を開口開放位置に配置することができるので、自動車２の低速走行時においては十分な通風量を確保することができる一方、フロントグリル３から流入する気流７の増加に応じて羽根５及び６に開口閉鎖を行わせることができるので、自動車２の高速走行時においては開口４を狭めて通風量を調整することができ、而して、自動車２の走行速度に応じて車体内に流入される風量を調整することができると共に装置の簡素化、低廉化、軽量化を図り得る。   According to the air volume adjusting device 1 described above, the blades 5 and 6 arranged to open and close the opening 4 through which the airflow 7 flowing from the front grill 3 covering the front end portion of the automobile 2 passes, and the front grill. 3 is provided with opening and closing means 8 and 9 for opening and closing the opening 4 on the blades 5 and 6 based on the air flow 7 flowing in from the air flow 3, and the opening and closing means 8 supports a part 18 of the blade 5 so as to freely move up and down. A supporting mechanism 19 that supports the other portion 20 of the blade 5 that is located on one side with respect to the portion 18 of the blade 5 in the vertical direction Z, in this example, on the lower side. The portion 20 of the blade 5 is the center of gravity G of the blade 5 when the portion 20 of the blade 5 is located below the portion 18 and the blade is in the open closed position. Located on the front end 25 side of the car 2 Since the blade 6 and the opening / closing means 9 are also formed in the same manner as the blade 5 and the opening / closing means 8, the blades 5 and 6 are opened to the open position based on their own weights. Therefore, when the vehicle 2 is traveling at a low speed, a sufficient amount of ventilation can be secured, while the blades 5 and 6 are closed according to the increase of the airflow 7 flowing from the front grill 3. Therefore, when the automobile 2 is traveling at high speed, the opening 4 can be narrowed to adjust the amount of air flow, and thus the amount of air flowing into the vehicle body is adjusted according to the traveling speed of the automobile 2. In addition, the apparatus can be simplified, reduced in cost, and reduced in weight.

尚、本例の風量調整装置１では、羽根５の他の部位２０が羽根５の一の部位１８に対して下方に位置しており、羽根５の他の部位２０は、羽根５が開口閉鎖位置にある際には当該羽根５の重心Ｇに対して自動車の先端部側２５に位置するように配されており、羽根６もまた羽根５と同様に配されているが、例えば、羽根５及び６のうちの少なくとも一方の他の部位２０が一の部位１８に対して上方に位置し、当該少なくとも一方の羽根が開口閉鎖位置にある際には当該羽根の重心Ｇに対して後端部側２６に位置するように配されていてもよい。   In the air volume adjusting device 1 of this example, the other part 20 of the blade 5 is positioned below the one part 18 of the blade 5, and the other part 20 of the blade 5 is closed by the blade 5. When in position, the vane 5 is arranged so as to be located on the front end side 25 of the automobile with respect to the center of gravity G of the vane 5, and the vane 6 is also arranged in the same manner as the vane 5. And 6 when at least one other portion 20 is positioned above the one portion 18 and the at least one blade is in the open closed position, the rear end with respect to the center of gravity G of the blade. It may be arranged to be located on the side 26.

吹抜け口１１は、図１及び図７に示すようにボンネット側から気流７が吹き抜けるように形成されていてもよく、また、図８に示すように車体側部側から気流７が吹き抜けるように形成されていてもよい。   The air outlet 11 may be formed so that the airflow 7 is blown from the bonnet side as shown in FIGS. 1 and 7, and is formed so that the airflow 7 is blown from the side of the vehicle body as shown in FIG. May be.

１ 風量調整装置
２ 自動車
３ フロントグリル
４ 開口
５、６ 羽根
７ 気流
８、９ 開閉手段
１９、２１ 支持機構 DESCRIPTION OF SYMBOLS 1 Air volume adjusting device 2 Automobile 3 Front grille 4 Opening 5, 6 Blades 7 Airflow 8, 9 Opening / closing means 19, 21 Support mechanism

Claims (3)

自動車の先端部を覆っているフロントグリルから流入する気流が通過する開口を開閉するように配設された羽根と、前記フロントグリルから流入する気流に基づいて前記羽根に前記開口を開閉させる開閉手段とを具備しており、開閉手段は、羽根の一の部位を昇降自在に支持する第一の支持機構と、羽根の一の部位に対して鉛直方向に関して一方側に位置する羽根の他の部位を自動車の前後方向に移動自在に支持する第二の支持機構とを具備しており、羽根の他の部位は、羽根の他の部位が羽根の一の部位に対して下方に位置している場合であって羽根が開口閉鎖位置にある際には当該羽根の重心に対して自動車の先端部側に位置するように、羽根の他の部位が羽根の一の部位に対して上方に位置している場合であって羽根が開口閉鎖位置にある際には当該羽根の重心に対して自動車の後端部側に位置するように配されている自動車用の風量調整装置。   A blade disposed so as to open and close an opening through which an airflow flowing from a front grill covering the front end of the automobile passes, and an opening / closing means for opening and closing the opening on the blade based on the airflow flowing from the front grill The opening / closing means includes a first support mechanism that supports one part of the blade so as to be movable up and down, and another part of the blade located on one side with respect to the one part of the blade in the vertical direction. And a second support mechanism that supports the vehicle in a movable manner in the front-rear direction of the automobile, and the other part of the blade is positioned below the other part of the blade. In this case, when the blade is in the open closed position, the other portion of the blade is positioned above the one portion of the blade so that the blade is positioned on the tip side of the automobile with respect to the center of gravity of the blade. And the blades are in the open closed position. Air volume regulating device for a motor vehicle are arranged so as to be positioned on the rear end side of the motor vehicle with respect to the center of gravity of the blade during that. 羽根の他の部位は、羽根の他の部位が羽根の一の部位に対して下方に位置しており、羽根が開口閉鎖位置にある際には当該羽根の重心に対して自動車の先端部側に位置するように配されている請求項１に記載の自動車用の風量調整装置。   The other part of the blade is positioned below the other part of the blade, and when the blade is in the open closed position, the front end side of the vehicle with respect to the center of gravity of the blade. The air volume adjusting device for an automobile according to claim 1, which is arranged so as to be located in 羽根の他の部位は、羽根の他の部位が羽根の一の部位に対して上方に位置しており、羽根が開口閉鎖位置にある際には当該羽根の重心に対して自動車の後端部側に位置するように配されている請求項１に記載の自動車用の風量調整装置。   The other part of the blade is located above the one part of the blade, and when the blade is in the open closed position, the rear end of the automobile with respect to the center of gravity of the blade. The air volume adjusting device for an automobile according to claim 1, which is arranged so as to be located on the side.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014221595A (en) * 2013-05-13 2014-11-27 マツダ株式会社 Vehicular shutter
FR3048646A1 (en) * 2016-03-09 2017-09-15 Valeo Systemes Thermiques SHUTTERING DEVICE FOR FRONT PANEL PROVIDED WITH MOBILE SHUTTERS IN TRANSLATION
FR3093033A1 (en) * 2019-02-26 2020-08-28 Flex-N-Gate France Ventilation device for a vehicle
JP2022081143A (en) * 2020-11-19 2022-05-31 マレリ株式会社 Flap door

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JPS5968126U (en) * 1982-10-29 1984-05-09 日野自動車株式会社 car front grill
JPH045118U (en) * 1990-05-02 1992-01-17
JPH04110617U (en) * 1991-03-15 1992-09-25 三菱自動車工業株式会社 Cooling air guide device
JP2007001504A (en) * 2005-06-27 2007-01-11 Aisin Seiki Co Ltd Movable grille shutter device
JP2008520488A (en) * 2004-11-22 2008-06-19 ベール ゲーエムベーハー ウント コー カーゲー Apparatus for regulating air flow for engine cooling and method of forming a folding flap

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Publication number Priority date Publication date Assignee Title
JPS5968126U (en) * 1982-10-29 1984-05-09 日野自動車株式会社 car front grill
JPH045118U (en) * 1990-05-02 1992-01-17
JPH04110617U (en) * 1991-03-15 1992-09-25 三菱自動車工業株式会社 Cooling air guide device
JP2008520488A (en) * 2004-11-22 2008-06-19 ベール ゲーエムベーハー ウント コー カーゲー Apparatus for regulating air flow for engine cooling and method of forming a folding flap
JP2007001504A (en) * 2005-06-27 2007-01-11 Aisin Seiki Co Ltd Movable grille shutter device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014221595A (en) * 2013-05-13 2014-11-27 マツダ株式会社 Vehicular shutter
FR3048646A1 (en) * 2016-03-09 2017-09-15 Valeo Systemes Thermiques SHUTTERING DEVICE FOR FRONT PANEL PROVIDED WITH MOBILE SHUTTERS IN TRANSLATION
FR3093033A1 (en) * 2019-02-26 2020-08-28 Flex-N-Gate France Ventilation device for a vehicle
EP3702189A1 (en) * 2019-02-26 2020-09-02 Flex-N-Gate France Ventilation device for a vehicle
US11667185B2 (en) 2019-02-26 2023-06-06 Flex-N-Gate France Device for ventilating a vehicle
JP2022081143A (en) * 2020-11-19 2022-05-31 マレリ株式会社 Flap door

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