KR200221970Y1 - Actuator of Aircon for Vehicle - Google Patents

Abstract

The present invention relates to an actuator of an air conditioner for a vehicle, and an object thereof is to provide an actuator of an air conditioner for a vehicle, in which the number of parts and the assembly process are easily improved by improving the inside of the case so that the motor can be attached and detached. The motor 30 installed in the motor shaft 31 formed in one side and extending to one side and the motor worm 40 are formed at one end thereof, and an input worm 51 engaged with the motor worm 40 is formed at one end thereof. (52) integrally formed with a reduction gear 50 of the circular shaft, an output gear 60 for transmitting rotational force to the outside in engagement with the output worm 52, and a perturbator interlocked with the output gear 60 ( 73 and the variable resistor 70 in which the resistance film 72 in contact therewith are integrally formed, and the front and rear protection parts 32 and 33 protruding from the front and rear outer peripheral sides of the motor shaft 31 are inserted and removed. Inlet side is expanded inside the case 20 so that The front and rear fixing parts 81 and 82 formed are provided.

Description

Actuator of vehicle air conditioner {Actuator of Aircon for Vehicle}

The present invention relates to an actuator of a vehicle air conditioner, and more particularly, to an actuator of a vehicle air conditioner to improve the seating structure of the motor installed inside the case to facilitate the assembly process.

Generally, the air conditioner for a vehicle is applied to drive and control a flap provided in an air conditioner duct, and is inevitably applied due to various factors such as stopping degree, design utility, precision control, automatic adjustment, noise reduction, and durability improvement. There is a trend.

These actuators are largely divided according to the application, and include a recirculation actuator that controls two positions of the inside and the outside air for the inside and outside air control of the vehicle, and the driver's front and down direction and the glass for the wind direction adjustment. Distribution Actuator which controls 5 position to adjust the air volume in the direction and mixed direction, etc., and Mixed Actuator which controls the Multi Position to control the supply ratio of cold and warmth for temperature control. Mixing Actuator).

1 is an exploded perspective view showing such a conventional actuator. As shown therein, the case 2 is provided to form the outside of the actuator 1, and the cylindrical cylindrical motor 3 is fixedly installed on one side of the case 2. In addition, the motor shaft 3 extends to one side of the motor 3, and the motor shaft 3 has a plurality of reduction gear groups 5 to reduce the rotational speed of the motor 3 to increase the output torque. ) Is installed connected.

First, the motor worm (3) is installed on the motor shaft (3), and the side of the motor worm (4) is provided with a plurality of spur gears that the shafts are intersected with each other so as to have a function of the worm wheel to receive the rotational force. The reduction gear group 5 is provided. The output gear 6 is meshed with the reduction gear group 5, and the output gear 6 is a spur gear, which protrudes upward and downward on the center side thereof, and the lower side penetrates the lower surface of the case 2. The output shaft 6a is provided.

Next, the variable resistor 7 connected to the ECU (not shown) is provided on the upper portion of the output gear 6 so that the rotation angle of the flap (not shown) can be detected by detecting the rotation of the output gear 6. The resistor 7 slides a carbon resistor or a resistance winding to increase or decrease the resistance between terminals. In the conventional actuator of a vehicle air conditioner, a resistive film 7a coated with carbon is formed on a PCB, and a resistive film 7a is provided on the output gear 6. The perturbator 6b is provided as a contact piece to be connected to).

On the other hand, the fixing plate 8 is provided in front of the motor 3 so that the motor 3 is fixed to the case 2 and is not rotated, and the holder 2 on which the fixing plate 8 is fixed Prepared. That is, the front plate of the motor 3 is provided with a rectangular plate-shaped fixing plate 8, which is perforated in the same way as the projecting shape in front of the motor 3, the screw 9 is formed on the outside A through hole 8a to be inserted is provided. In addition, a fastening groove (not shown) communicating with the through hole 8a is provided at the front of the motor 3 so as to be coupled to the fixing plate 8. As a result, the fixing plate 8 in close contact with the front of the motor 3 is fixed to the motor 3 by coupling the screw 9 to the through hole 8a and the fastening groove (not shown).

In addition, the front plate of the case 2 to secure the motor (3) coupled to the fixed plate 8 to the case 2, the holder plate (8) is inserted into the square plate-shaped fixing plate from the upper side to the lower side ( 2) is provided.

However, such a conventional actuator of a vehicle air conditioner requires a separate member and process in order to install a motor inside the case, so there is a problem that the number of parts is increased and the assembly process is complicated.

The present invention is to solve such a conventional problem, it is an object of the present invention to provide an actuator of a vehicle air conditioner by reducing the number of parts and easy assembly process by improving the inside of the case so that the motor can be detached.

1 is an exploded perspective view showing an actuator of a conventional vehicle air conditioner.

2 is a perspective view showing an actuator of a vehicle air conditioner according to the present invention.

3 is an exploded perspective view showing a motor and a case according to the present invention.

Figure 4 is a side view showing a coupling state of the motor and the case according to the present invention.

Explanation of symbols on the main parts of the drawings

10: actuator 20: case

30: motor 32: front protection

33: Rear protection part 34: Motor contact surface

35: motor terminal 40: motor warham

50: reduction gear 60: output gear

61: output shaft 70: variable resistor

80: installation home 81: front fixed

82: rear high government 83: internal protrusion

84: Case adhesion surface

Actuator of the vehicle air conditioner of the present invention for achieving the above object, the motor is provided on the motor shaft is formed in the inside of the case extending to one side, and the input worm is engaged with the motor worm at one end is formed and the other end There is a variable resistor in which the output gear is integrally formed with the reduction gear on the circular shaft, the output gear for transmitting the rotational force to the outside in conjunction with the output worm, the perturbator linked with the output gear and the resistance film in contact therewith. In the actuator of the vehicle air conditioner provided, the front and rear fixing part is formed in the inside of the case is formed so that the front and rear protection portion protruding in the front and rear outer peripheral side of the motor shaft can be inserted.

Hereinafter, with reference to the drawings a preferred embodiment of the actuator of the vehicle air conditioner according to the present invention will be described in detail.

2 and 3 are a perspective view and an exploded perspective view showing the actuator of the vehicle air conditioner according to the present invention. As shown in the figure, a case 20 made of a plastic material is formed to be separated into upper and lower sides so as to form the outside of the actuator 10, and a cylindrical motor 30 is fixed to one inner side of the case 20. Is installed. The motor shaft 31 is formed to extend to one side of the motor 30.

First, the motor worm 40 is provided on the motor shaft 31 is provided in the form of a helical gear, the motor worm 40 is provided with a reduction gear 50 that the shaft is arranged to cross each other to receive the rotational force, this The reduction gear 50 has one end of the input worm 51 is formed to be engaged with the motor worm 40, the output worm 52 is provided on the other end.

Next, the output worm 52 is disposed so as to be throttled and provided with an output gear 60 having a spur gear shape having a large diameter so as to have a function of the worm wheel, and the output gear 60 is a case 20. It is arranged to be rotatable in the center side is provided with an output shaft 61 protruding up and down.

In addition, a variable resistor 70 connected to the ECU is provided on the upper side of the output gear 60 provided to adjust the flap of the air conditioner so that the rotation angle of the flap can be checked by detecting the rotation of the output gear 60. Encapsulate Potentiometer is used to facilitate automation of assembly process.

That is, the variable resistor 70 is formed by assembling the resistive film 72, the perturbator 73, the terminal 75, and the like integrally on the plate-like plate 71, and the plate 71 penetrates the center in a circular shape. On the outer circumferential surface of the center, a resistive film 72 printed with carbon is formed. And the upper side of the resistive film 72 is provided with a rotating plate 74 to be interlocked with the output gear 60, the output shaft 61 of the output gear 60 is inserted in the center of the rotating plate 74. It is fixed. In addition, a perturbator 73 is provided between the rotating plate 74 and the resistive film 72 and fixed to the rotating plate 74 and provided with an intermediate side bent to generate an elastic force toward the resistive film 72. The resistive film 72 is provided with a terminal 75 extending out of the case 20 and connected to the ECU through a connector.

On the other hand, the mounting structure is provided in the motor 30 and the case 20 so that the motor 30 is fixed inside the case 20.

First, the rear protector 33 is protruded to protect the end of the motor shaft 31 at the rear of the motor 30, and the front end of the motor shaft 31 can be protected at the front side of the motor 30. The front protection part 32 is formed to protrude. The motor terminal 35 protrudes from both left and right sides of the rear protection part 33. At this time, one side of the rear protection part 33 which is provided in a circular shape is cut to form a motor contact surface 34.

Next, a semi-cylindrical installation groove 80 is provided in the case 20 so that the cylindrical motor 30 can be inserted, and the front and rear surfaces of the installation groove 80 are the front of the motor 30. It is formed to be smaller than the rear distance is provided so that the motor 30 is press-fitted therein. And the front side of the installation groove (80) is provided with a front fixing portion (81) in which the inlet side is extended to facilitate the insertion of the front protection portion 32 and the inner interval is narrowed so as to compress the front protection portion (32). do.

In addition, as shown in FIG. On the rear side of the installation groove 80 is provided with a rear fixing portion 82 which narrows the interval of the inner side compared to the inlet side to facilitate insertion and fixing of the rear protection portion 33, the rear fixing portion 82 Between the inlet side and the inner side, the inner protrusions 83 are formed in both sides to protrude inwardly so that the overall shape is provided in a circular shape to surround the rear protection part 33. And the lower side of the rear fixing portion 82 is formed with a case contact surface 84 provided in a plane to correspond to the motor contact surface 34 is to prevent the rotation of the rear protection portion 33 fixed therein will be.

The actuator 10 of the vehicle air conditioner according to the present invention configured as described above has a front protective part 32 and a rear protective part 33 before and after the motor 30 when the motor 30 is installed inside the case 20. After the case 20 is arranged to fit the front and rear fixing section 81 and the rear fixing section 82, and is pressed downward. As a result, the front posterior part is inserted into the front fixing part 81 and the rear protecting part 33 is inserted into the rear fixing part 82. In this case, the internal protrusions provided in the rear fixing part 82 are formed. 83) and the rear protector 33 are in close contact to extend the rear fixing part 82 to the left and right sides, and then the rear fixing part 82 is restored by its own elastic force to restore the rear protecting part 33. Tightly fixed. In addition, the motor contact surface 34 and the case contact surface 84 are in close contact with each other to prevent the rotation of the motor 30.

As described above in detail, the actuator of the vehicle air conditioner according to the present invention, the seating structure of the motor is integrally provided in the case can reduce the number of parts, and the assembly process is facilitated, so the advantage of improving the productivity of the product have.

Claims (3)

A motor provided with a motor worm on a motor shaft formed inside the case and extending to one side, an input worm which is engaged with the motor worm at one end thereof, and a reduction gear on a circular shaft having an output worm integrally formed at the other end thereof, and the output In the actuator of a vehicle air conditioner having an output gear that is engaged with the worm and transmits the rotational force to the outside, and a variable resistor is formed integrally assembled with the perturbator interlocked with the output gear and the resistance film in contact therewith, The front and rear fixing parts 81 having an inlet side extended in the case 20 so that the front and rear protection parts 32 and 33 protruding from the front and rear outer circumferential sides of the motor shaft 31 can be inserted. Actuator of a vehicle air conditioner, characterized in that provided. According to claim 1, wherein the rear fixing portion 82 is provided with an inner projection (83) protruding inward therein is extended to both sides when the insertion of the rear protective portion 33 and the rear protective portion (33) inside Actuator of a vehicle air conditioner, characterized in that by restoring by its own elastic force when seated on the rear protection portion (33). According to claim 1, wherein the rear protection portion 33 is provided with a cylindrical cut one side, the rear fixing portion 82 has a shape corresponding to it so that the rear protection portion 33 can be inserted and in close contact Actuator of a vehicle air conditioner, characterized in that provided.