JP6463643B2 - Vehicle shutter opening / closing mechanism - Google Patents

Description

  The present invention relates to a shutter opening / closing mechanism for a vehicle that is provided at a front portion of a vehicle and adjusts the amount of outside air introduced into the front portion.

  A front grill that can be opened and closed and a normally open air inlet are provided at the front of the vehicle, and the engine is cooled by cooling air introduced from the air inlet while closing the front grill and reducing the drag coefficient of the vehicle body at high speeds. There is known one provided with a shutter device for achieving the above.

  In Patent Document 1, an open / close means is provided in an outside air introduction section capable of introducing traveling wind from an opening located at a front end of a vehicle body, and the outside air introduction section is opened and closed by driving means. A vehicle body front ventilation structure for controlling the air volume of the traveling wind taken in from the vehicle is described. In the vehicle body front ventilation structure described in Patent Document 1, an upper ventilation opening and a lower ventilation opening are provided in a shutter base, and the lower ventilation opening is always open without a shutter grille. This is to prevent the engine room temperature from rising and overheating when the shutter grill breaks down.

JP 2011-143913 A

However, in the opening / closing device described in Patent Document 1, the lower ventilation opening is always open, so that the following effects by providing the shutter grille are halved.
In other words, the provision of a shutter grill can improve aerodynamic performance, promote warm-up by sealing the engine room, and improve the appearance of the engine. There is a problem.

  SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a vehicle shutter opening / closing mechanism that solves the above-described problems and that can suppress overheating while improving the aerodynamic effect by eliminating a ventilation opening that is always open.

In order to solve the above problem, the shutter opening / closing mechanism of the vehicle according to claim 1 is a first opening / closing means for opening / closing a first opening for introducing outside air into a drive source storage chamber for storing a drive source of the vehicle. A second opening / closing means for opening / closing a second opening for introducing outside air into the drive source storage chamber, the first opening / closing means, and the second opening / closing means. A coupling mechanism that closes the other when one of them is open , and a hood that opens and closes the drive source storage chamber, and the second opening and closing means is in a position accessible when the hood is opened. It is provided and can be opened and closed manually .

According to such a configuration, the second opening is opened when the first opening is closed, thereby improving the aerodynamic effect by closing the first opening, and from the second opening to the drive source accommodation chamber. It is possible to guide the air and suppress overheating. Moreover, the wind guide effect can be enhanced by closing the second opening when the first opening is opened.
Further, for example, when a problem occurs that makes it difficult to open and close the first opening / closing means due to freezing, foreign object biting, etc., the first opening / closing means is opened by manually opening and closing the second opening / closing means by opening the hood It can be forcibly opened and closed. Therefore, the fail safe function of the shutter grill can be enhanced.

According to a second aspect of the present invention, there is provided a shutter opening / closing mechanism for a vehicle, the first opening / closing means for opening / closing a first opening for introducing outside air into a drive source accommodation chamber for accommodating a drive source of the vehicle; A second opening / closing means that opens and closes a second opening for introducing outside air into the drive source storage chamber, and one of the first opening / closing means and the second opening / closing means is open. A connection mechanism that closes the other at times, and the connection mechanism closes the first opening / closing means and opens the second opening / closing means when the vehicle is traveling at high speed .

  ADVANTAGE OF THE INVENTION According to this invention, the opening / closing control apparatus of the shutter of the vehicle which can suppress an overheat can be provided, eliminating the ventilation opening of a constant opening and improving an aerodynamic effect.

1 is a perspective view of a front part of a vehicle body to which a shutter opening / closing control device for a vehicle according to an embodiment of the present invention is applied. It is AA sectional drawing of FIG. It is principal part sectional drawing of the state which opened the shutter of the shutter opening / closing control apparatus of the vehicle which concerns on embodiment of this invention. It is principal part sectional drawing of the state which closed the shutter of the shutter opening / closing control apparatus of the vehicle which concerns on embodiment of this invention.

(Embodiment)
An embodiment of the present invention will be described in detail with reference to FIGS. In the description, the same elements are denoted by the same reference numerals, and redundant description is omitted. Moreover, when explaining a direction, it demonstrates based on the front-back, left-right, up-down seen from the driver | operator of the vehicle. In the embodiment of the present invention, “front” is the forward side of the vehicle C, “rear” is the backward side of the vehicle C, “upper” is the vertical upper side, and “lower” is the lower vertical side.
As shown in FIG. 1, a shutter opening / closing mechanism (hereinafter referred to as a shutter opening / closing mechanism) of a vehicle that controls the amount of traveling air sent into a radiator and an engine room (drive source accommodation chamber) on the front surface of a bulkhead 1 constituting a front body of a vehicle C. (Referred to as an opening / closing mechanism) 10 is attached.

As shown in FIG. 2, an engine hood F that opens and closes the engine room is disposed above the bulkhead 1 (see FIG. 1) on the front body of the vehicle C.
The opening / closing mechanism 10 is provided in the front portion of the vehicle C together with the grill cover 2 and the air guide duct 3, and an air conditioner condenser 4 and a radiator 5 are provided behind the opening / closing mechanism 10. The grill cover 2 has a grill 2 a, and the air guide duct 3 has a front end 3 a connected to the grill 2 a of the grill cover 2 and a rear end 3 b connected to the shutter base 15. The air guide duct 3 and the shutter base 15 constitute an air guide path 6 that guides air introduced from the grill 2a at the front of the vehicle body into the engine room.

  While the vehicle C is traveling, outside air is guided to the air conditioner condenser 4 and the radiator 5 through the air guide path 6 including the grill cover 2, the air guide duct 3, and the shutter base 15. The air conditioner condenser 4 constitutes a refrigeration cycle of the air conditioner of the vehicle C together with a compressor and an evaporator (both not shown). The radiator 5 is for cooling an internal combustion engine that is a power source of the vehicle C.

<Air guide 6>
The air guide path 6 is a ventilation path for introducing outside air into the engine room, and includes an air guide duct 3 and a shutter base 15 that houses a shutter 11 (first opening / closing means) described later. The air guide duct 3 and the shutter base 15 may be integrally configured.
The shutter base 15 has an opening 15b (first opening) opened on the front surface portion 15a, and the rear end 3b of the air guide duct 3 is joined so as to surround the opening 15b. The shutter base 15 includes an upper surface portion 15c that covers an upper portion of the shutter 11 housed therein, a lower surface portion 15d that is disposed below the shutter 11, and an opening portion 15e (second opening portion) that is opened in the upper surface portion 15c. Have. A hinge 61 that rotates a hatch 12 (second opening / closing means) described later is attached to the opening 15e. The upper surface portion 15 c of the shutter 11 is disposed below the engine hood F.
As described above, the air guide path 6 is provided in the path with the shutter 11 (first opening / closing means) for opening and closing the opening 15b (first opening), and behind the shutter 11, and the shutter 11 is closed. And a hatch 12 (second opening / closing means) for opening the opening 15e (second opening) at times.

<Shutter>
The shutter 11 is disposed on the shutter base 15 (the air guide path 6), and adjusts the flow rate of outside air introduced into the air conditioner condenser 4 and the like.
The shutter 11 is of a normally open type, and is supported by a plurality of vertically long support members 14 (see FIG. 1) provided on the shutter base 15 and rotatably on the shutter base 15 and the vertically long support member 14. A plurality of shafts 21, a fin 22 whose central part is pivotably attached to the shaft 21, an arm part 23 connected to the upper end part 22 a of the fin 22, and the other end part of the arm part 23 are connected. And a slide link 25 that is rotatably connected via a pin 24.
The shaft 21 is fixed to the shutter base 15 and the vertically long support member 14 (see FIG. 1), extends in the left-right direction of the vehicle C, and is lined up with a predetermined interval in the vertical direction.

  The fin 22 is pivotally supported at the central portion of the main body by the shaft 21, and the upper end portion 22 a is rotatably connected to the slide link 25 via the arm portion 23. For this reason, the fin 22 is rotated about the shaft 21 by receiving the vertical movement of the slide link 25. When the fin 22 is closed, the upper end 22a and the lower end 22b hang in a substantially vertical direction, and when opened, the upper end 22b is rotated rearward and the upper end 22b is rotated forward to be substantially horizontal. Further, when the fin 22 is closed, the lower end portion 22 b of the upper fin 22 contacts the upper end portion 22 a of the lower fin 22. Thereby, at the time of closing, the lower end portion 22b of the upper fin 20 and the upper end portion 22a of the lower fin 22 are in contact with each other without any gap, thereby preventing the introduction of traveling wind.

The slide link 25 has an L-shaped lower end 25b, and the tip thereof is connected to the arm link 27 via a connecting pin 26 so as to be rotatable. The other end of the arm link 27 is attached to the rotating shaft 28 a of the torque motor 28.
The torque motor 28 is a torque motor that uses the torque generated in the rotary shaft 28a by rotating the rotary shaft 28a within a limited rotation angle range. The torque motor can change the torque or the rotational speed over a wide range by changing the input voltage.

  The shutter base 15 is provided with an upper stopper and a lower stopper (not shown). These upper and lower stoppers are arranged above and below the slide link 25, respectively, and movement of the shutter 11 including the slide link 25 is restricted by the upper and lower stoppers. Further, the shutter base 15 is provided with a guide portion (not shown) that regulates the ascent / descent of the slide link 25 that slides up and down and supports the slide link 25 slidably.

<Hatch>
As shown in FIG. 2, an engine hood F that opens and closes the engine room is disposed behind the bulkhead 1 in the front body of the vehicle C. Below the engine hood F, a shutter base 15 constituting the air guide path 6 is disposed, and an upper surface portion 15c faces the engine hood F. Outside air flows into the space between the engine hood F and the upper surface portion 15c of the shutter base 15 during traveling.
The hatch 12 is provided in the opening 15e of the upper surface portion 15c of the shutter base 15 below the engine hood F. The hatch 12 is provided at a position accessible when the engine hood F is opened (the upper surface portion 15c of the shutter base 15). The hatch 12 includes a handle 12c, and is configured to be manually opened and closed when the user pulls the handle 12c upward.
The hatch 12 is formed in a rectangular shape when viewed from above, and one end 12a is rotatably attached to a hinge 61 fixed to the edge of an opening 15e opened in the upper surface 15c of the shutter base 15. . A shaft 121 that protrudes downward is attached to the other end 12 b of the hatch 12. One end of the link 123 is rotatably attached to the shaft portion 121 via the connecting pin 122, and the other end of the link 123 is rotatably attached to the upper end portion 25 a of the slide link 25 via the connecting pin 124. It has been.

<Coupling mechanism>
The connection mechanism 13 includes a shaft portion 121, connection pins 122 and 124, and a link 123. As shown in FIG. 3, the link 123 has a length that allows the hatch 12 to fully close the opening 15 e opened in the upper surface portion 15 c of the shutter base 15 when the shutter 11 is fully opened and the slide link 25 is positioned at the lowermost position. Have As shown in FIG. 4, when the end portion 12 b of the hatch 12 is lifted from the opening portion 15 e of the shutter base 15, the link 123 connected to the shaft portion 121 lifts the upper end portion 25 a of the slide link 25. The hatch 12 has an opening limit when the fin 22 contacts the slide link 25, that is, when the shutter 11 is fully closed. Therefore, the coupling mechanism 13 closes the other when one of the shutter 11 (first opening / closing means) and the hatch 12 (second opening / closing means) is opened.

Hereinafter, the operation of the opening / closing mechanism 10 configured as described above will be described.
[Shutter release]
As shown in FIG. 3, when the rotating shaft 28a is rotated clockwise by the supply of electric power from the battery to the torque motor 28, the slide link 25 is rotated with the lower stopper as the slide link 25 is rotated integrally therewith. It moves downward until it abuts (not shown). As the slide link 25 moves, the fins 22 rotate counterclockwise about the shaft 21 and the shutter 11 moves to the open position. In the fully open position, each fin 22 is held in a substantially horizontal state, and a horizontal flow of traveling wind is introduced.

On the other hand, as the slide link 25 moves downward, the link 123 rotatably attached to the upper end portion 25b of the slide link 25 rotates the hatch 12 in the closing direction. The hatch 12 is fully closed when the shutter 11 is fully open. That is, the coupling mechanism 13 closes the hatch 12 when the shutter 11 is opened.
As shown in FIG. 3, when each fin 22 of the shutter 11 is open (fully open) and the vehicle C is traveling, the traveling wind introduced from the grill 2 of the grill cover 2 is The heat exchange is performed by passing between the fins 22 and the air conditioner condenser 4 and the radiator 5. Further, the traveling wind reaches the engine room behind the radiator 5.

[Shutter closed]
When the vehicle C is traveling at a high speed, the opening / closing mechanism 10 performs shutter opening / closing control that closes the shutter 11 and closes the opening 15b (first opening) of the shutter base 15. Thus, the engine can be cooled by the cooling air introduced from the air inlet that flows into the space between the engine hood F and the upper surface portion 15c of the shutter base 15 while reducing the drag coefficient of the vehicle body. Further, warm-up can be promoted by sealing the engine room at a low temperature such as immediately after the engine is started.
Specifically, as shown in FIG. 4, the opening / closing mechanism 10 rotates the rotating shaft 28 a counterclockwise by supplying electric power from the battery to the torque motor 28. In response to the rotation of the rotary shaft 28a, the slide link 25 moves upward until it abuts against an upper stopper (not shown). As the slide link 25 moves, the fins 22 rotate clockwise about the shaft 21 and the shutter 11 moves to the closed position.

Further, the coupling mechanism 13 opens the hatch 12 when the shutter 11 is closed. Specifically, as the slide link 25 moves upward, the link 123 rotatably attached to the upper end portion 25b of the slide link 25 rotates the hatch 12 in the opening direction. The hatch 12 is fully opened when the shutter 11 is fully closed.
Therefore, the opening / closing mechanism 10 can introduce the traveling wind into the radiator 5 and the engine room by opening the hatch 12 even when the fins 22 of the shutter 11 are closed (fully closed). it can.

  In the conventional example, when the shutter grill breaks down, the opening in the shutter base is always provided in order to prevent the engine room temperature from rising and overheating. For this reason, there existed a subject that aerodynamic performance will be impaired significantly and warming-up promotion by the sealing of an engine room cannot be aimed at.

On the other hand, in this embodiment, the opening / closing mechanism 10 includes a connecting mechanism 14 that closes one of the shutter 11 and the hatch 12 when the other is open.
Thus, by opening the hatch 12 of the shutter base 15 (the air guide path 6) when the shutter 11 is closed, the aerodynamic effect by closing the shutter 11 is improved, and outside air flows into the engine room from the hatch 12. Overheating can be suppressed. Further, by closing the hatch 12 when the shutter 11 is opened, the wind guide effect by the wind guide duct 3 can be enhanced. Further, it can be realized without adding an actuator.

An engine hood F that opens and closes the engine room is provided on the front body of the vehicle C, and the hatch 12 is provided at a position accessible when the engine hood F is opened, and can be manually opened and closed.
As a result, for example, when a malfunction occurs that makes it difficult to open and close the shutter 11 due to freezing, foreign object biting, etc., the shutter 11 is forcibly opened by opening the engine hood F and manually opening and closing the hatch 12. It can be opened and closed. The fail-safe function of the shutter grill can be improved.

[Modification]
The present invention is not limited to the above-described embodiment, and various modifications and changes can be made within the scope of the technical idea. The present invention extends to these modifications and changes. Of course.
For example, the opening / closing mechanism 10 is an example applied to the upper grille, but can also be applied to the lower side.
Further, it can be applied to a vehicle equipped with a fuel cell system.

DESCRIPTION OF SYMBOLS 1 Bulkhead 2 Grill cover 2a Grill 3 Air guide duct 4 Air conditioner capacitor 5 Radiator 6 Air guide 10 Vehicle shutter opening / closing mechanism 11 Shutter (first opening / closing means)
12 Hatch (second opening / closing means)
12a End 12c Handle 13 Connection mechanism 14 Long support member 15 Shutter base 15b Opening (first opening)
15c upper surface part 15e opening part (2nd opening part)
21 Shaft 22 Fin 23 Arm member 25 Slide link 25a Upper end portion 25b Lower end portion 61 Hinge 121 Shaft portion 122, 124 Connecting pin 123 Link C Vehicle

Claims (2)

First opening / closing means for opening / closing a first opening for introducing outside air into a drive source storage chamber for storing a drive source of the vehicle;
A second opening / closing means that is located behind the first opening / closing means and opens / closes a second opening for introducing outside air into the drive source storage chamber;
A connection mechanism that closes the other when one of the first opening and closing means and the second opening and closing means is open ;
A hood for opening and closing the drive source accommodation chamber,
The second opening / closing means is provided at a position accessible when the hood is opened.
Both manual provided openably <br/> be you wherein vehicles of the shutter opening and closing mechanism. First opening / closing means for opening / closing a first opening for introducing outside air into a drive source storage chamber for storing a drive source of the vehicle;
A second opening / closing means that is located behind the first opening / closing means and opens / closes a second opening for introducing outside air into the drive source storage chamber;
A connection mechanism that closes the other when one of the first opening and closing means and the second opening and closing means is open,
Wherein the connecting mechanism, during high-speed running of the vehicle, the first opening and closing means closes the you wherein <br/> opening the second closing means vehicles shutter opening and closing mechanism.

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