KR200300031Y1 - Apparatus for opening and shuttering air outlet in air conditioner - Google Patents

Abstract

The present invention relates to an air conditioner, and more particularly, to a discharge door door opening and closing device for an air conditioner configured to close an outlet of an air conditioner when the air conditioner is not used. The apparatus according to the present invention is a discharge port for an air conditioner having a discharge port door for opening and closing the discharge port, a stroke mounted on one side of the discharge port door and a rack formed on one side, and a pinion gear engaged with the rack to transmit the rotational force of the driving motor. In the door opening and closing device, a guide groove is formed on one side of the stroke, and provided with a guide member between the discharge port door and the stroke, the guide groove is formed to be inclined at a predetermined angle, and the guide on one side of the guide member. A guide protrusion is inserted into the groove to slide along the guide groove. The upper end of the stroke is made of an inclined surface and sliding along the inclined surface, characterized in that the discharge port door is movable in the front and rear or left and right directions.

Description

{Apparatus for opening and shuttering air outlet in air conditioner}

The present invention relates to an air conditioner, and more particularly, to a discharge door door opening and closing device for an air conditioner configured to close an outlet of an air conditioner when the air conditioner is not used.

In general, an air conditioner is an air conditioner, a heater, an air purifier, or the like installed in order to clean an air or clean an air, and to provide a more comfortable indoor environment for a human being. Such an air conditioner is provided with a blower, an air conditioner, and an air purifying device for forcibly flowing the indoor air so as to suck the air in the room, then heat exchange or purify and discharge the air back into the room. In particular, recently, an air conditioner having a discharge port door capable of closing the discharge port when the air conditioner is not used as described above has been developed.

As shown in FIG. 1, the air conditioner having a discharge port door has a suction port 2 for sucking indoor air at a lower side of the front panel 1, and the heat-exchanged or purified air is returned to the indoor side at the upper side. A discharge port 3 for discharging is formed. Of course, the discharge port (3) is provided with grills (4) (5) in the front and rear or left and right or up and down directions to pass the air while protecting the interior. A sliding door 7 is provided at the discharge port 3 of the air conditioner. When using the air conditioner, the sliding door 7 is opened to the lower side or the upper side. When the air conditioner is not used, the sliding door 7 is used. The sliding door 7 is closed to prevent foreign matters or the like from flowing into the discharge port 3. The sliding door 7 is configured to open or close the discharge port 3 while automatically sliding upward or downward by a driving device (not shown) installed inside the air conditioner.

FIG. 2 is an exploded perspective view illustrating an opening and closing device of an air conditioner having a conventional discharge port door, and the discharge port door 10 is formed along a door guide groove (not shown) formed on the front panel so as to be movable in the vertical direction and in the front and rear directions. The stopper 12 of () moves and opens and closes the discharge port 3 (refer FIG. 1). It is mounted at the center of the rear surface of the discharge port door 10 for opening and closing the discharge port 3 (see Fig. 1) formed in the front panel 1 of the air conditioner (see Fig. 1) while moving up and down, and on one side a rack (13a) Stroke (13) is formed, the pinion gear (14) meshing with the rack (13a) formed in the stroke (13), and the stroke (13) on which the outlet door (10) is mounted. It is composed of a drive motor 17 for providing a driving force to the pinion gear 14 to move up and down, and moves the discharge port door 10 in the vertical direction and the front and rear or left and right directions.

However, the above-described outlet port opening and closing device of the prior art has a rack is formed in a separate front and rear or left and right directions to move the outlet port back and forth or left and right since the rack is formed only in the vertical direction to move the discharge door door only up and down. A stroke is required, and in this case, when the movement direction of the discharge port door is switched from vertical movement to forward or backward movement, causing collision or friction due to inaccurate engagement between the gear teeth formed on the rack and the pinion gear formed on the stroke, As a result, there was a problem that the direction change of the discharge door is unstable.

The present invention is devised to solve the above problems, and when changing the mounting method of the stroke attached to the discharge port door to change from the vertical movement of the stroke to the front and rear or left and right movement or from the front and rear or left and right movement to the vertical movement, It is an object of the present invention to provide a discharge door opening and closing device for an air conditioner in which the discharge door is stably changed without shaking.

1 is a front view showing an air conditioner having a conventional discharge door.

Figure 2 is an exploded perspective view showing a conventional door opening and closing device for the air conditioner.

Figure 3 is a schematic view showing a discharge door opening and closing device for an air conditioner of the present invention.

4 is an enlarged view of a portion “A” of FIG. 3 showing a closed state of the discharge port door.

5 is an enlarged view of portion “A” of FIG. 3 showing a state of moving up and down when opening and closing the discharge port door.

Explanation of symbols on the main parts of the drawings

10: discharge port door 110: stroke

110a: rack 110b: guide groove

120: worm gear 130: guide member

130a: guide protrusion

In order to achieve the above object, the present invention is provided with a discharge port door for opening and closing the discharge port, a stroke mounted on one side of the discharge port door and a rack formed on one surface thereof, and a pinion gear engaged with the rack to transmit the rotational force of the driving motor. In an air conditioner door opening and closing device for a air conditioner, a guide groove is formed on one side of an upper portion of the stroke, and a guide member is provided between the discharge door and the stroke, and the guide groove is formed to be inclined at a predetermined angle. One side of the guide groove is inserted into the guide groove is formed to slide along the guide groove.

The upper end of the stroke is made of an inclined surface and sliding along the inclined surface, characterized in that the discharge port door is movable in the front and rear or left and right directions.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Here, the same reference numerals are given to the same components as the conventional components, and new reference numerals are given to the new components.

Reference Figure Figure 3 is a schematic view showing the inlet or outlet opening and closing device for the air conditioner of the present invention, Figure 4 is a side view showing the portion "A" of Figure 3 with the discharge port door moved forward.

As shown in FIG. 3, the air outlet door opening and closing apparatus according to the present invention includes a stroke 110 having a rack 110a and a gear 120 engaged with the rack 110a to drive the outlet. A guide groove 110b is formed to move the door 10 up and down, and to move the discharge door 10 back and forth or from side to side.

The discharge port door 10 (refer to FIG. 2) is a discharge port 3 (FIG. 2) while the stopper 12 moves along a door guide groove (not shown) formed on the front panel of the air conditioner so as to be movable in the vertical direction and in the front and rear or left and right directions. 1) open and close.

The opening and closing device is installed on one side of the discharge door 10 to drive the discharge door 10 up and down, the stroke 110 is formed with a rack 110a in the vertical direction on one side, the stroke 110 It is coupled to the rack (110a) of the pinion gear 120 for transmitting a rotational force of the drive motor (17). Preferably, the rack 110a and the pinion gear 120 have a structure of a worm and a worm gear. This makes it possible to obtain a large reduction ratio as well as improve the design freedom of the outlet opening and closing device because it can be used even when the axes are orthogonal to each other. In addition, the rack 110a and the pinion gear connection structure may be equipped with various types of gears that enable the vertical movement of the stroke 110 as well as the worm gear 120. Could be.

In addition, the guide groove (110b) is formed to be inclined at a predetermined angle toward the front of the air conditioner on both sides of the upper end of the stroke (110), the guide groove (110b) is inserted into the stroke along the guide groove (110b) It has a guide member 130 for moving the discharge port door 10 in the front and rear or left and right directions between the 110 and the discharge door (10). In addition, one side of the guide member 130 is formed by protruding the guide projection (130a) and the guide projection (130a) is fitted into the guide groove (110b) is capable of sliding along the guide groove (110b). Preferably, an inclined surface 110c is formed at an upper end of the stroke 110 in the same direction as the inclined direction of the guide groove 110b to move the discharge door 10 along the inclined surface 110c forward, backward, or leftward or rightward. It will help you to move to. Here, in the present specification, as shown in Figure 4, the other side of the guide member 130 is shown as being fixed to the lower end of the discharge port door 10, if one of ordinary skill in the art the stroke 110 It can be modified in various forms to facilitate the vertical movement of the front and rear or left and right movement.

In this configuration, the drive motor 17 is fixed to one side of the air conditioner to generate a driving force, and transfer the generated rotational force to the worm gear 120, the worm gear 120 is a rack formed on the stroke 110 It is engaged with (110a) to transmit the rotational motion of the drive motor 17 to the stroke (110). In addition, the guide member 130 is mounted to the discharge port door 10, the guide protrusion 130a formed in the guide member 130 is fitted into the guide groove 110b, the drive motor 17 is a front panel ( It is fixed to the inside (not shown). That is, when the drive motor 17 rotates in one direction, the worm gear 120 also rotates at the same time, and the worm gear 120 rotates without changing its position and the rack formed on the stroke 110 is Since the stroke 110 is moved up and down because it is engaged with the worm gear 120, the discharge port door 10 is opened and closed while moving up and down. First, when the stroke 110 moves downward to open the discharge port door 10, the guide protrusion 130a located at the front side or the left side of the guide groove 110b of FIG. 4 is along the guide groove 110b. After sliding to the rear or right side, the guide member is able to slide along the rear side of the front panel in a state inclined at a predetermined angle, and at the same time the discharge port door 10 is also moved to the rear or right (see Fig. 5). ). Thereafter, the discharge port door 10 also moves downward with the stroke 110 while the guide protrusion 130a is located at the rear side or the right side of the guide groove 110b. On the contrary, when the stroke 110 is moved upward to close the discharge port door 10, the discharge port door 10 together with the stroke 110 while the guide member 130 is located at the rear or right side of the guide groove 110b. Will also move upwards. Afterwards, when the guide protrusion 130a is located at the rear side or the right side and no longer slides upward, the guide protrusion 130a located at the rear side or the right side of the guide groove 110b is front side along the guide groove 110b. Or the sliding to the left side, at the same time the discharge port door 10 is also moved to the front or left. Here, the inclined surface 110c formed at the top of the stroke 110 helps the discharge port door 10 to move in the front side or the front side or the left direction. Therefore, when the air conditioner is not used, the front surface of the outlet door 10 is flush with the front panel of the air conditioner, so that the exterior aesthetics of the air conditioner are improved and the outlet door is minimized to minimize infiltration of dust or foreign matter. The stroke 110 attached to the (10) is moved a predetermined distance in the front and rear or left and right directions. Therefore, when moving the discharge port door 10 in the front and rear or left and right directions in the vertical direction, or in the vertical direction in the front and rear or left and right directions, the direction is changed by the guide protrusion (130a) and the guide groove (110b) In particular, since the rack 110a only moves up and down, and does not change direction, noise is not generated, and smooth operation of the gear teeth when changing the direction of the discharge door 10 is possible.

The device according to the present invention as described above has a guide member formed with a separate guide protrusion and a guide groove formed in the stroke even if the rack formed in the stroke is formed only in the up and down direction so that the guide protrusion slides along the guide groove. By moving the sliding door forward and backward or left and right, it is possible to reduce the collision or friction between the rack formed on the stroke and the worm gear during the change of direction and to reduce the collision or friction. The effect is to move to.

In the above, the present invention has been shown and described with respect to certain preferred embodiments. However, the present invention is not limited only to the above-described embodiment, and those skilled in the art to which the present invention belongs, without departing from the spirit of the technical idea of the present invention described in the utility model registration claims below. Any number of changes can be made.

Claims (2)

A discharge opening door opening and closing device for an air conditioner, comprising: a discharge opening door for opening and closing a discharge opening, a stroke mounted on one side of the discharge opening door, and having a rack formed on one surface thereof, and a pinion gear engaged with the rack to transmit a rotational force of a driving motor. A guide groove is formed on an upper side of the stroke, and a guide member is provided between the discharge port door and the stroke, and the guide groove is formed to be inclined at an angle, and the guide member is inserted into the guide groove on one side of the guide member. Discharge port door opening and closing device for an air conditioner, characterized in that the guide projection is formed to slide along the groove. The air conditioner outlet door opening and closing device according to claim 1, wherein an upper end of the stroke is formed on an inclined surface to slide along the inclined surface, and the outlet door is movable in forward, backward, left and right directions.