KR101134285B1 - Apparatus for opening and closing air flap - Google Patents

Abstract

An air flap opening and closing device for a vehicle is installed, which is installed in the air passage part flowing into the cooling module from the front of the vehicle. The air flap opening and closing device includes a flap door 200 rotatably installed to open and close the air through 300, and the actuator 100 for operating the flap door 200, the actuator 100 is air through A housing 110 fixed to the 300 and a worm shaft gear 121 are provided to drive the drive motor 120 embedded in the housing 110 and the worm shaft gear 121 through the driven gear 131. A driving gear 130 to be connected, an operation arm 140 having one end fixed to the driving gear 130 and the other end connected to rotate the flap door 200, and a screw groove 151 to which the driver tool can be engaged. It is configured to include a working gear 150 is formed to extend from the end of the worm shaft gear 121.

Description

Air flap opening and closing device for vehicle {APPARATUS FOR OPENING AND CLOSING AIR FLAP}

The present invention relates to a vehicle air flap opening and closing device, and more particularly to a vehicle air flap opening and closing device that can prevent the operation bit of the vehicle when the air flap is broken.

In general, the vehicle air flap opening and closing device is installed on the rear side of the radiator grille of the vehicle front end module, and is an air inflow control system that allows external air to enter or shut off the engine according to a change in cooling water temperature.

As shown in FIG. 1, the front bumper 10 of the vehicle is provided with a radiator grill 11, and a cooling module 20 such as a radiator or an air conditioner condenser is disposed at the rear of the radiator grill 11.

The cooling module 20 is assembled to the carrier 21, and the air flap opening and closing device 30 is installed between the cooling module 20 and the radiator grill 11. The air flap opening and closing device 30 limits the amount of air flowing into the cooling module 20 through the radiator grill 11.

That is, when the engine coolant temperature is low, the air flap opening and closing device 30 is closed to limit the amount of air supplied to the cooling module 20 so that the temperature of the engine is quickly increased. When the engine warms up, the air flap opening and closing device for the vehicle is warmed up. The 30 is opened to increase the air inflow to the cooling module 20 to improve the cooling performance.

In particular, as shown in Fig. 2 to 3b, the actuator 31 operated by the drive motor 33 may be used as a power source for operating the air flap 32 in the air flap opening and closing device 30, the actuator When the power supply 31 fails due to disconnection or short circuit, the air flap 32 is fixed to the state at the time of the failure.

If the failure of the actuator 31 occurs in a state where the air flap 32 is closed, air does not flow into the cooling module even after engine warm-up, which causes serious problems in engine cooling.

An object of the present invention for solving this problem is to provide a vehicle air flap opening and closing device that can prevent the vehicle inability to run due to overheating of the vehicle by simply opening the air flap when the air flap is broken. .

In order to achieve the above object, the present invention provides a vehicle air flap opening and closing device installed in the air through the inlet to the cooling module in front of the vehicle, the flap door is rotatably installed to open and close the air through, and operating the flap door And an actuator, wherein the actuator includes a housing fixed to the air passage portion, a drive motor provided with a worm shaft gear, and a drive gear connected to the worm shaft gear via a driven gear; And an operating arm fixed to the drive gear and connected to the other end of the flap door to rotate, and an operating gear extending from the end of the worm shaft gear by providing a screw groove for engaging the driver tool.

Here, it is preferable that the actuating gear rotates the worm shaft gear according to the rotation of the driver tool engaged with the screw groove when the driving motor breaks down. Preferably, the housing is provided with a support piece having an insertion groove in which the driver tool is inserted to support the driver tool. The driver tool is preferably a screw driver having a thread in the form of a "+" end.

According to the present invention, the following remarkable effects can be realized.

First, the present invention has the advantage of being able to prevent overheating of the engine generated when the air flap is kept closed for a long time by forcibly opening the air flap through the driver tool when the actuator of the air flap is broken.

Secondly, the present invention can easily open the air flap through the driver tool around even when the actuator failure of the air flap, there is an advantage that can be quickly responded in the field when the actuator failure.

1 is a perspective view showing a general vehicle air flap opening and closing device.
Figure 2 is a block diagram showing a vehicle air flap opening and closing device according to the prior art.
3A is an enlarged view illustrating an enlarged portion "A" of FIG. 2.
FIG. 3B is a view illustrating the cutaway of the " BB "
Figure 4 is a block diagram showing a vehicle air flap opening and closing apparatus according to the present invention.
5 is an enlarged view illustrating an enlarged "CC" part of FIG. 4.
6a to 6b is a state diagram showing the operating state of the vehicle air flap opening and closing device according to the present invention.

First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

Embodiments of the present invention will be described in detail with reference to the accompanying drawings.

4 to 5, the vehicle air flap opening and closing device according to the present invention, the worm shaft gear 121 of the drive motor 120 when the actuator 100 is broken in a state in which the flap door 200 is closed By forcibly rotating the flap door 200 to be opened.

To implement this, the air flap opening and closing device is provided with an actuator 100 capable of forcibly opening the flap door 200 through a driver tool. Here, the flap door 200 is rotatably installed in the air through portion 300 of the vehicle body flowing into the cooling module in front of the vehicle, and the structure of the conventional flap door 200 is rotated by the operation of the actuator 100 and Since it is the same, a detailed description thereof will be omitted.

The actuator 100 includes a housing 110, a drive motor 120, a worm shaft gear 121, a drive gear 130, an operation arm 140, and an operation gear 150.

The housing 110 of the actuator 100 is fixedly installed at the central portion of the air through part 300 and is disposed between the flap doors 200 provided on both sides of the air through part 300. The housing 110 has a predetermined space in which the above-described driving motor 120, the worm shaft gear 121, and the driving gear 130 are mounted.

The driving motor 120 is an operating source that substantially provides a driving force for rotating the flap door 200 and transmits the driving force to the flap door 200 through a plurality of gears such as a worm shaft gear 121. In this embodiment, the driving force of the drive motor 120 is transmitted to the flap door 200 through the worm shaft gear 121, the driven gear 131, the drive gear 130 and the operating arm 140.

 Here, the operation gear 150 for forcibly rotating the worm shaft gear 121 is installed in the worm shaft gear 121 of the drive motor 120. The operating gear 150 is configured in the form of a bevel gear extending to the end of the worm shaft gear 121, and has an interlocking structure that rotates together with the worm shaft gear 121. Accordingly, when forced driving of the worm shaft gear 121 is required, the worm shaft gear 121 may be rotated by rotating the operation gear 150.

The operating gear 150 is formed with a screw groove 151 that can engage the driver tool. In this embodiment, the screwdriver 400 is used, the tip of the driver tool is a "+" shape.

Here, the screw groove portion 151 of the operating gear 150 has a female thread that can be engaged with the male thread of the screw driver 400, the corresponding female thread is formed in the form along the outer circumference of the operating gear 150 do. Accordingly, when the front end of the screw driver 400 is inserted into the screw groove 151, the male thread of the screw driver 400 and the female thread of the operating gear 150 are engaged with each other. In this state, the screw driver 400 Rotating the operating gear 150 may be rotated while the female thread is rotated according to the rotation of the male thread.

The driven gear 131 is a medium gear for transmitting the operating force of the driving gear 130 to the operating arm 140, and the worm shaft gear 121 and the driving gear 130 of the operating arm 140 of the driving gear 130. The gears meshing in between are generic. For example, in the present embodiment, the driven gear 131 may include a bevel gear that meshes with the worm shaft gear 121 and a spur gear that meshes between the bevel gear and the drive gear 130.

The operation arm 140 has a structure in which one end thereof is fixed to the drive gear 130 and the other end thereof is connected so that the flap door 200 rotates, and the flap door rotates in the forward or reverse direction by the rotation of the drive gear 130. Open or close 200.

On the other hand, the support piece 160 for guiding the tool driver is provided on one side of the housing 110, the operating gear 150 is installed. The support piece 160 is formed with an insertion groove 161 for guiding the end of the tool driver inserted into the screw groove 151 of the operating gear 150, the insertion groove 161 of the operating gear 150 Insertion of the tool driver into the screw groove 151 is made easy.

Hereinafter, the operation of the present invention will be described.

First, when the actuator 100 is normally operated, when the drive motor 120 is operated, the driving force of the drive motor 120 is the operating arm through the worm shaft gear 121, the driven gear 131 and the drive gear 130 It is transmitted to 140, the operation arm 140 rotates the flap door 200 to open and close the flap door 200.

On the contrary, when an abnormality occurs in the actuator 100 in a state in which the flap door 200 is closed, as illustrated in FIGS. 6A to 6B, the tip of the screw driver 400, which is a tool driver, is screwed into the screw groove 151. When inserted into and rotated, the operating gear 150 is rotated while the male screw of the screw driver 400 and the female screw of the operating gear 150 are engaged with each other. At this time, the rotational force of the operating gear 150 is transmitted to the operating arm 140 through the worm shaft gear 121, the driven gear 131, and the driving gear 130, and then closed by rotating the operating arm 140. Open the flap door 200.

Although the present invention has been described in detail using the preferred embodiments, the scope of the present invention is not limited to the specific embodiments, and should be interpreted by the appended claims. In addition, those skilled in the art should understand that many modifications and variations are possible without departing from the scope of the present invention.

100: actuator 110: housing
120: drive motor 130: drive gear
140: operating arm 150: operating gear
160: support 200: flap door

Claims (4)

Air flap opening and closing device for the vehicle installed in the air through the inlet to the cooling module in front of the vehicle,
A flap door 200 rotatably installed to open and close the air passage part 300, and an actuator 100 for operating the flap door 200;
The actuator 100 includes a housing 110 fixed to the air passage part 300, a worm shaft gear 121, a drive motor 120 embedded in the housing 110, and a driven gear 131. A driving gear 130 which is driven and connected to the worm shaft gear 121, and an operation arm 140 having one end fixed to the drive gear 130 and the other end connected to rotate the flap door 200. And an operating gear (150) extending from an end of the worm shaft gear (121) by providing a screw groove (151) capable of engaging a driver tool. The method according to claim 1,
The operation gear 150 is a vehicle air flap opening and closing device, characterized in that for rotating the worm shaft gear 121 in accordance with the rotation of the driver tool engaged with the screw groove 151 when the drive motor (120) failure. The method according to claim 1,
The housing 110 is a vehicle air flap opening and closing device, characterized in that the support piece 160 is provided with an insertion groove portion 161 is inserted to support the driver tool. The method according to claim 2,
The driver tool is a vehicle air flap opening and closing device, characterized in that the screw driver 400 having a screw thread in the form of a "+".

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