WO2020137406A1 - 車両のシャッタ装置 - Google Patents

車両のシャッタ装置 Download PDF

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Publication number
WO2020137406A1
WO2020137406A1 PCT/JP2019/047485 JP2019047485W WO2020137406A1 WO 2020137406 A1 WO2020137406 A1 WO 2020137406A1 JP 2019047485 W JP2019047485 W JP 2019047485W WO 2020137406 A1 WO2020137406 A1 WO 2020137406A1
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WO
WIPO (PCT)
Prior art keywords
frame
shutter device
vehicle
blade
wall surface
Prior art date
Application number
PCT/JP2019/047485
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English (en)
French (fr)
Japanese (ja)
Inventor
竹内　徳久
Original Assignee
株式会社デンソー
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社デンソー filed Critical 株式会社デンソー
Publication of WO2020137406A1 publication Critical patent/WO2020137406A1/ja

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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
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator 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

Definitions

  • the present disclosure relates to a vehicle shutter device.
  • the air introduced into the engine room through the grille opening is used to dissipate heat from the radiator through which engine cooling water flows and to dissipate heat from the condenser of the vehicle air conditioner.
  • a shutter device that can temporarily block the flow of air from the grille opening to the engine room.
  • a shutter device for example, there is a shutter device described in Patent Document 1 below.
  • the shutter device described in Patent Document 1 includes a rectangular frame-shaped frame and a plurality of blades arranged inside the frame.
  • the blades are arranged vertically in the frame.
  • Each blade is formed so as to extend in the horizontal direction and has shaft portions at both ends in the horizontal direction.
  • the shaft portion of each blade is slidably inserted into an insertion hole formed in the frame.
  • the insertion hole is formed so as to penetrate from the inner wall surface to the outer wall surface of the frame.
  • Each blade is rotatably supported by the frame due to the bearing structure including the shaft portion of each blade and the insertion hole of the frame.
  • the space inside the frame is opened and closed by the rotating operation of each blade. In this shutter device, air can pass when the blades are in the open state, and when the blades are in the closed state, the flow of air through the frame is blocked.
  • an insertion hole is formed so as to penetrate from the inner wall surface of the frame to the outer wall surface. That is, the insertion hole has not only an opening on the inner wall surface of the frame, but also an opening on the outer wall surface of the frame.
  • the shutter device there is a possibility that foreign matter such as sand and dust that has been rolled up by the tire of the vehicle traveling in the front may reach the shutter device through the grille opening.
  • such foreign matter may enter the inside of the insertion hole through the openings formed on the inner wall surface and the outer wall surface of the frame, respectively. If the insertion hole is clogged with foreign matter, the foreign matter may impede the opening/closing operation of the blade.
  • the inner wall surface of the insertion hole may be significantly worn.
  • the performance of the shutter device and the life of the shutter device are degraded, which may cause malfunction of the shutter device. ..
  • An object of the present disclosure is to provide a vehicle shutter device capable of suppressing the occurrence of a failure in the blade opening/closing operation due to a foreign substance.
  • a vehicle shutter device includes a frame and a plurality of blades.
  • the frame is formed in a frame shape, and air introduced from the grille opening of the vehicle flows through the space inside the frame.
  • the blade is arranged in a space inside the frame, and opens and closes the space inside the frame by a rotating operation.
  • a convex portion is formed on the outer wall surface of the frame.
  • a concave portion to be inserted into the convex portion is formed at the end portion of the blade.
  • the blade is rotatably supported by a bearing structure including a concave portion and a convex portion.
  • the blade is rotatably supported by the bearing structure composed of the convex portion of the frame and the concave portion of the blade as in this configuration, foreign matter existing on the wall surface opposite to the wall surface on which the convex portion is formed in the frame is recessed. Also, it does not enter the bearing structure of the convex portion. Therefore, it becomes difficult for foreign matter to enter the bearing structure, so that it is possible to suppress the occurrence of defects in the opening/closing operation of the blade due to foreign matter.
  • FIG. 1 is a diagram schematically showing a schematic configuration of a vehicle.
  • FIG. 2 is a perspective view showing a perspective structure of the shutter device of the first embodiment.
  • FIG. 3 is an enlarged view showing an enlarged structure around a connecting portion between the link member and the shaft in the shutter device of the first embodiment.
  • FIG. 4 is a cross-sectional view showing a cross-sectional structure around a connecting portion between the left and right reinforcing frame pieces and the upper blade of the first embodiment.
  • FIG. 5 is a view showing the structure of the connecting portion between the left and right reinforcing frame pieces and the upper blade of the first embodiment as seen from the arrow P shown in FIG.
  • FIG. 6 is a sectional view showing a sectional structure taken along line VV of FIG. FIG.
  • FIG. 7 is a cross-sectional view showing a cross-sectional structure around a connecting portion between the left and right reinforcing frame pieces and the upper blade of the first modified example of the first embodiment.
  • FIG. 8 is a cross-sectional view showing a cross-sectional structure around a connecting portion between the left and right reinforcing frame pieces and the upper blade of the second modified example of the first embodiment.
  • FIG. 9 is a view showing the structure of the connecting portion between the left and right reinforcing frame pieces and the upper blade of the second embodiment as seen from below.
  • FIG. 10 is a cross-sectional view showing the cross-sectional structure around the connecting portion between the left and right reinforcing frame pieces and the upper blade of another embodiment.
  • FIG. 11 is a cross-sectional view showing a cross-sectional structure around the connecting portion between the left and right reinforcing frame pieces and the upper blade of another embodiment.
  • a grille opening 2 is provided in front of the body 1 of the vehicle C.
  • the grille opening 2 is provided to introduce the air in front of the vehicle body 1 into the engine room 3.
  • a radiator 5 and a condenser 6 are arranged in the engine room 3.
  • the radiator 5 radiates the cooling water by exchanging heat between the cooling water for cooling the engine 4 and the air introduced from the grille opening 2.
  • the condenser 6 is a component of the refrigeration cycle of the air conditioner mounted on the vehicle C, and performs heat exchange between the refrigerant circulating in the refrigeration cycle and the air introduced from the grille opening 2. The heat is released from the refrigerant.
  • the radiator 5 and the condenser 6 are arranged between the grille opening 2 and the engine 4.
  • a shutter device 10 that can temporarily block the flow of air from the grille opening 2 to the engine room 3 is arranged.
  • the shutter device 10 enables early warm-up of the engine 4 by temporarily blocking the flow of air from the grille opening 2 to the engine room 3 when the engine 4 is cold-started, for example. Further, the shutter device 10 improves the aerodynamic performance of the vehicle C by temporarily blocking the flow of air to the engine room 3 when the vehicle C is traveling at high speed.
  • the shutter device 10 includes a frame 20, a plurality of blades 30, an actuator device 40, a shaft 50, and a link member 60.
  • the frame 20 and the blade 30 are made of a resin material.
  • the frame 20 has a frame main body 21 formed in a rectangular frame shape, and reinforcing frame pieces 22 and 23 arranged in a cross shape in the frame of the frame main body 21.
  • the frame body 21 includes an upper frame piece 210, a lower frame piece 211, a right frame piece 212, and a left frame piece 213. Air introduced from the grille opening 2 shown in FIG. 1 flows into the space inside the frame of the frame body 21.
  • the longitudinal direction of the upper frame piece 210 and the lower frame piece 211 is also referred to as the X-axis direction
  • the longitudinal direction of the right frame piece 212 and the left frame piece 213 is also referred to as the Z-axis direction.
  • the Z-axis direction corresponds to the vertical direction.
  • the Z1 direction which is one direction in the Z-axis direction, corresponds to “vertically upward”
  • the Z2 direction which is the other direction in the Z-axis direction
  • the direction orthogonal to both the X-axis direction and the Z-axis direction is also referred to as the Y-axis direction.
  • the Y-axis direction corresponds to the vehicle front-rear direction. Since the Y-axis direction also corresponds to the air flow direction, the Y-axis direction is also referred to as “air flow direction Y” below.
  • the reinforcing frame pieces 22 and 23 are provided to reinforce the frame body 21.
  • the upper and lower reinforcing frame pieces 22 are provided so as to connect the respective central portions of the upper frame piece 210 and the lower frame piece 211.
  • the left and right reinforcing frame pieces 23 are provided so as to connect the respective central portions of the right frame piece 212 and the left frame piece 213.
  • the reinforcing frame pieces 22 and 23 divide the space inside the frame 20 into four regions.
  • the plurality of blades 30 are arranged in four areas within the frame 20. In four regions within the frame of the frame 20, the plurality of blades 30 are arranged so as to have a longitudinal direction in the Z-axis direction and are arranged side by side in the X-axis direction.
  • the blade 30 arranged between the upper frame piece 210 and the left/right reinforcing frame piece 23 is referred to as an “upper blade 31”, and the lower frame piece 211 and the left/right reinforcing piece are referred to.
  • the blade 30 arranged between the frame piece 23 and the frame piece 23 is referred to as a "lower blade 32".
  • the upper blade 31 has an upper end 310 rotatably supported by the upper frame piece 210, and a lower end 311 thereof rotatably supported by the left and right reinforcing frame pieces 23.
  • An upper end 320 of the lower blade 32 is rotatably supported by the left and right reinforcing frame pieces 23, and a lower end 321 thereof is rotatably supported by the lower frame piece 211.
  • a link member 60 is further attached to the left and right reinforcing frame pieces 23.
  • the link member 60 is formed so as to extend in the X-axis direction.
  • the lower end 311 of the upper blade 31 and the upper end 320 of the lower blade 32 are connected to the link member 60.
  • the shaft 50 is arranged along the right frame piece 212 from the central portion of the right frame piece 212 upward.
  • the upper end of the shaft 50 projects from the upper surface of one end of the upper frame piece 210.
  • the actuator device 40 is fixed by screws or the like above one end of the upper frame piece 210.
  • the actuator device 40 rotates the upper end of the shaft 50 based on the supply of electric power.
  • the link member 60 is relatively displaced in the X-axis direction with respect to the left and right reinforcing frame pieces 23 based on the rotation of the shaft 50, so that a rotational force is applied from the link member 60 to the upper blade 31 and the lower blade 32.
  • the upper blade 31 and the lower blade 32 rotate to open and close the space inside the frame of the frame body 21.
  • a gap is formed between the blades 30, so that air can flow into the engine room 3 from the grille opening 2 through the gap.
  • the gaps between the blades 30 are closed, so that the air flow from the grille opening 2 to the engine room 3 is temporarily blocked.
  • a convex portion 232 is formed on the upper wall surface 231 of the left and right reinforcing frame piece 23, which is provided on the vertically upper side Z1 so as to project vertically on the upper side Z1.
  • the upper wall surface 231 of the left and right reinforcing frame piece 23 corresponds to the outer wall surface of the frame 20.
  • the convex portion 232 is formed in a cylindrical shape around an axis m1 parallel to the vertical direction Z.
  • a cylindrical recess 312 is formed in the lower end 311 of the upper blade 31.
  • the concave portion 312 is inserted into the convex portion 232 of the left and right reinforcing frame piece 23.
  • the upper blade 31 is supported by a bearing structure 70 including a concave portion 312 and a convex portion 232 so as to be rotatable about an axis m1.
  • a groove 313 is formed on the inner peripheral surface 312b of the recess 312 of the upper blade 31. Due to this groove portion 313, the gap between the concave portion 312 of the upper blade 31 and the convex portion 232 of the left and right reinforcing frame piece 23 is partially enlarged.
  • the groove portion 313 corresponds to a gap expansion portion that partially enlarges the gap of the sliding portion between the concave portion 312 of the upper blade 31 and the convex portion 232 of the left and right reinforcing frame piece 23.
  • a gap G1 having a width H1 is formed between the tip end surface 312a of the concave portion 312 of the upper blade 31 and the upper wall surface 231 of the left and right reinforcing frame piece 23.
  • a projecting wall 80 is formed on the upper wall surface 231 of the left and right reinforcing frame piece 23 so as to project vertically upward Z1 from a portion corresponding to the outside of the bearing structure 70.
  • the protruding wall 80 is formed in a cylindrical shape around the axis m1 so as to surround the outer periphery of the bearing structure 70.
  • a predetermined gap G2 is formed between the inner peripheral surface 81 of the protruding wall 80 and the outer peripheral surface 312c of the recess 312 of the upper blade 31.
  • the length H2 from the upper wall surface 231 of the left and right reinforcing frame piece 23 to the tip surface 82 of the protruding wall 80 is the length from the upper wall surface 231 of the left and right reinforcing frame piece 23 to the tip surface 312a of the recess 312 of the upper blade 31. It is longer than H1.
  • a discharge hole 222 is formed in the.
  • the bottom wall surface 233 of the left and right reinforcing frame piece 23 is a wall surface provided in the vertically downward Z2 of the left and right reinforcing frame piece 23.
  • the discharge hole 222 is provided inside the portion of the protruding wall 80 that is arranged in front of the vehicle.
  • the gap G1 formed between the tip surface 312a of the recess 312 of the upper blade 31 and the upper wall surface 231 of the left and right reinforcing frame piece 23 is provided on the bottom wall surface 233 of the left and right reinforcing frame piece 23 through the discharge hole 222. It is in communication with the space.
  • the upper end portion 310 of the upper blade 31 has a convex portion that is inserted into a concave portion provided on the inner wall surface of the upper frame piece 210. Due to the bearing structure including the concave portion and the convex portion, the upper end portion 310 of the upper blade 31 is rotatably supported by the upper frame piece 210.
  • the structures of the lower end 321 of the lower blade 32 and the lower frame piece 211 are the same as the structures of the lower end 311 of the upper blade 31 and the left and right reinforcing frame piece 23, that is, shown in FIGS. 4 to 6. Since the structure is the same, detailed description thereof will be omitted. Further, since the structures of the upper end portion 320 of the lower blade 32 and the left and right reinforcing frame pieces 23 are the same as the structures of the upper end portion 310 of the upper blade 31 and the upper frame piece 210, detailed description thereof will be omitted.
  • the actions and effects shown in the following (1) to (6) can be obtained.
  • the action and effect obtained by the upper blade 31 and the left and right reinforcing frame piece 23 and the action and effect obtained by the lower blade 32 and the lower frame piece 211 are basically the same, in the following, The former operation and effect will be described as a representative.
  • the convex portions 232 are formed on the left and right reinforcing frame pieces 23.
  • Foreign matter existing on the bottom wall surface 233 opposite to the upper wall surface 231 does not enter the bearing structure 70. Therefore, it is possible to suppress the entry of foreign matter into the bearing structure 70, and thus it is possible to prevent the occurrence of a defect in the opening/closing operation of the upper blade 31 due to the foreign matter.
  • the discharge hole 222 has a function of discharging foreign matter that has entered the inside of the protruding wall 80. With this discharge hole 222, it is possible to further suppress the occurrence of a malfunction in the opening/closing operation of the upper blade 31 due to the foreign matter.
  • the foreign matter introduced from the grille opening 2 easily collides with the vehicle front side portion of the upper blade 31, the foreign matter is particularly likely to be accumulated inside the portion of the protruding wall 80 arranged on the vehicle front side. ..
  • the discharge hole 222 is formed in the inner portion of the protruding wall 80, the foreign matter accumulated on the inner portion of the protruding wall 80 can be discharged more accurately. It is possible.
  • the protruding wall 80 of the left and right reinforcing frame piece 23 and the recess 312 of the upper blade 31 constitute a labyrinth structure 90 that makes it difficult for foreign matter to enter the bearing structure 70.
  • the length H2 from the upper wall surface 231 of the left and right reinforcing frame piece 23 to the tip surface 82 of the protruding wall 80 is from the upper wall surface 231 of the left and right reinforcing frame piece 23 to the tip surface 312a of the recess 312 of the upper blade 31. Since it is longer than the length H1, it becomes more difficult for foreign matter to enter the bearing structure 70. Therefore, it is possible to further suppress the occurrence of a malfunction in the opening/closing operation of the upper blade 31.
  • a gap G1 is formed between the tip surface 312a of the recess 312 of the upper blade 31 and the upper wall surface 231 of the left and right reinforcing frame piece 23.
  • a groove portion 313 is formed in the sliding portion between the concave portion 312 of the upper blade 31 and the convex portion 232 of the left and right reinforcing frame piece 23 so that the gap between them is partially increased.
  • the foreign matter enters the groove portion 313 with priority over the sliding portion, so that the foreign matter can be made redundant with respect to the sliding portion.
  • a concave cover portion 314 is formed on the outer peripheral surface 312c of the concave portion 312 of the upper blade 31 of the present modification so as to cover the protruding wall 80.
  • the labyrinth structure 90 is configured by the protruding walls 80 of the left and right reinforcing frame pieces 23, the recess 312 of the upper blade 31, and the cover 314.
  • the labyrinth structure 90 having such a structure has a more complicated structure as compared with the labyrinth structure 90 of the first embodiment shown in FIG. 4, and thus it becomes more difficult for foreign matter to enter the bearing structure 70. ing. Therefore, it is possible to further suppress the occurrence of a malfunction in the opening/closing operation of the upper blade 31.
  • the lower blade 32 and the lower frame piece 211 can also adopt the structure shown in FIG. 7. (Second modified example) Next, a second modified example of the shutter device 10 of the first embodiment will be described.
  • the lower end 311 of the recess 312 of the upper blade 31 of the present modification is provided with an enlarged diameter portion 315 formed so as to have a large inner diameter.
  • a gap G3 is formed between the inner peripheral surface 315a of the expanded diameter portion 315 and the outer peripheral surface 232a of the convex portion 232 of the left and right reinforcing frame piece 23.
  • FIG. 8 The structure shown in FIG. 8 can also be adopted for the lower blade 32 and the lower frame piece 211.
  • a second embodiment of the vehicle shutter device 10 will be described. Hereinafter, differences from the shutter device 10 of the first embodiment will be mainly described.
  • the width H3 of the left and right reinforcing frame pieces 23 is smaller than the outer diameter H4 of the recess 312 of the upper blade 31.
  • the same structure is adopted for the lower blade 32 and the lower frame piece 211.
  • the action and effect shown in the following (7) can be obtained as the action and effect in place of the above (2).
  • the amount of foreign matter deposited can be reduced by an amount smaller than that of the left and right reinforcing frame pieces 23 of the first embodiment.
  • redundancy with respect to intrusion of foreign matter into the bearing structure 70 is possible.
  • the same adoption and effect can be obtained for the lower blade 32 and the lower frame piece 211.
  • each embodiment can also be implemented in the following forms.
  • the labyrinth structure 90 may be constituted by
  • the bottom surface of the concave portion 312 of the upper blade 31 and the tip surface of the convex portion 232 of the left and right reinforcing frame piece 23 are in contact with each other.
  • the tip surface 312a of the recess 312 of the upper blade 31 and the upper wall surface 231 of the left and right reinforcing frame piece 23 may be brought into contact with each other.
  • the tip surface 312a of the recess 312 of the upper blade 31 slides on the upper wall surface 231 of the left and right reinforcing frame piece 23.

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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)
PCT/JP2019/047485 2018-12-25 2019-12-04 車両のシャッタ装置 WO2020137406A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018240622A JP7331358B2 (ja) 2018-12-25 2018-12-25 車両のシャッタ装置
JP2018-240622 2018-12-25

Publications (1)

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WO2020137406A1 true WO2020137406A1 (ja) 2020-07-02

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PCT/JP2019/047485 WO2020137406A1 (ja) 2018-12-25 2019-12-04 車両のシャッタ装置

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JP (1) JP7331358B2 (enrdf_load_stackoverflow)
WO (1) WO2020137406A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7607049B2 (ja) 2020-11-06 2024-12-26 東レ・ファインケミカル株式会社 ９，９－ビス（３，５－ジアルキル－４－アミノフェニル）フルオレン化合物の製造方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0271017U (enrdf_load_stackoverflow) * 1988-11-21 1990-05-30
JPH08327133A (ja) * 1995-06-03 1996-12-13 Inoac Corp 風向調整装置のフィン取付構造
JP2005043003A (ja) * 2003-07-24 2005-02-17 Mitsubishi Electric Corp 換気フードの風路開閉装置
JP2012035829A (ja) * 2010-07-13 2012-02-23 Aisin Seiki Co Ltd 車両用可動グリルシャッター
JP2016055719A (ja) * 2014-09-08 2016-04-21 カルソニックカンセイ株式会社 グリルシャッター
JP2017185991A (ja) * 2016-03-31 2017-10-12 株式会社デンソー シャッター装置及びシャッター装置の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106308837B (zh) * 2015-07-10 2018-05-04 东芝医疗系统株式会社 医疗图像诊断用诊视床及医疗图像诊断装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0271017U (enrdf_load_stackoverflow) * 1988-11-21 1990-05-30
JPH08327133A (ja) * 1995-06-03 1996-12-13 Inoac Corp 風向調整装置のフィン取付構造
JP2005043003A (ja) * 2003-07-24 2005-02-17 Mitsubishi Electric Corp 換気フードの風路開閉装置
JP2012035829A (ja) * 2010-07-13 2012-02-23 Aisin Seiki Co Ltd 車両用可動グリルシャッター
JP2016055719A (ja) * 2014-09-08 2016-04-21 カルソニックカンセイ株式会社 グリルシャッター
JP2017185991A (ja) * 2016-03-31 2017-10-12 株式会社デンソー シャッター装置及びシャッター装置の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7607049B2 (ja) 2020-11-06 2024-12-26 東レ・ファインケミカル株式会社 ９，９－ビス（３，５－ジアルキル－４－アミノフェニル）フルオレン化合物の製造方法

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JP7331358B2 (ja) 2023-08-23

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