KR100715535B1 - Air conditioner - Google Patents

Abstract

The present invention discloses an air conditioner having an opening and closing device which can perform the opening and closing of the discharge port smoothly, although the configuration is simpler than in the related art.

The air conditioner disclosed includes an opening and closing device including an opening and closing door which is installed to be liftable at the discharge port, and a lifting device which lifts the opening and closing door. The lifting device includes a driving motor, a rotating body coupled to the shaft of the driving motor, and A connection member connected to the rotating body and connected to the opening / closing door, the other end being wound or unwound on the outer surface of the rotating body, a plurality of teeth formed to protrude on the outer surface of the rotating body, It includes a plurality of coupling grooves are formed.

Description

Air Conditioner {AIR CONDITIONER}

1 is an exploded perspective view showing the configuration of an air conditioner according to the present invention.

2 is a cross-sectional view showing the internal configuration of an air conditioner according to the present invention.

Figure 3 is an exploded perspective view showing the configuration of the lifting device of the air conditioner discharge opening and closing device according to the present invention.

Figure 4 is a cross-sectional view showing the configuration of the air conditioner discharge port opening and closing apparatus according to the present invention, showing a state in which the opening and closing door is open.

Figure 5 is a cross-sectional view showing the configuration of the air conditioner discharge port opening and closing apparatus according to the present invention, showing a state in which the opening and closing door is closed.

Explanation of symbols on the main parts of the drawings

10: main body, 11: heat exchanger,

12: blower, 14: inlet,

15: first outlet, 16: second outlet,

20: opening and closing device of the discharge port, 21: opening and closing door,

30: guide device, 40: lifting device,

41: driving motor, 42: rotating body,

43: connecting member, 44: bending groove,

45: locking portion, 46: locking groove,

48: tooth part, 49: coupling groove.

The present invention relates to an air conditioner, and more particularly, to an air conditioner having an opening and closing device for opening and closing a discharge port.

Recently, the indoor unit of the air conditioner is provided with a discharge opening and closing device that can open the discharge port when used to prevent the inflow of dust or foreign matter into the discharge port and close the discharge port when not in use.

An example of such a discharge opening and closing device is disclosed in Korea Utility Model Publication No. 20-0341457 (February 11, 2004). The discharge opening and closing device disclosed in this publication includes a shutter mounted to the main body of the air conditioner so as to open and close the discharge port, an operation link connected to the lower end of the shutter, and a connector equipped with a drive motor connected to the operation link and having a pinion gear. Doing. The device also includes a pair of rails for guiding the shanghai of the connector, and rack gears mounted on the rail side to engage the pinion gears of the drive motor. The ejection opening and closing device opens and closes the ejection opening while the connector is lifted along the rail when the pinion gear rotates by the operation of the driving motor, and the shutter connected to the connector is lifted by the operation link.

However, since the outlet opening and closing device of the air conditioner includes a connector, a pinion gear, a rack gear, and the like for raising and lowering the shutter, the configuration of the device is complicated and the manufacturing cost is high. In addition, since the shutter is moved up and down by the action of the pinion gear and the rack gear when the drive motor rotates, there is a drawback of operating noise.

The present invention is to solve the above problems, an object of the present invention is to provide an air conditioner with a switchgear to facilitate the opening and closing of the discharge port, while the configuration is simpler than the prior art.

Another object of the present invention is to provide an air conditioner having an opening and closing device capable of quietly performing the opening and closing operation of the discharge port.

The air conditioner according to the present invention for achieving this object is provided with a discharge opening and closing device including an opening and closing door that is installed to be elevated in the discharge port, and a lifting device for lifting the opening and closing door, the lifting device is a drive motor, the drive A rotating member coupled to the shaft of the motor, one end of which is integrally connected to the rotating body, the other end of which is connected to the opening and closing door, and a connecting member made of a material that can be bent to be wound or unwound on the outer surface of the rotating body; It characterized in that it comprises a plurality of teeth formed to project on the outer surface of the whole, and a plurality of coupling grooves formed in the connecting member to be caught corresponding to the teeth.

In addition, the present invention is the plurality of tooth parts are formed at equal intervals on the outer surface of the rotating body, the plurality of coupling grooves are formed spaced apart from each other at equal intervals in the longitudinal direction of the connecting member to be coupled corresponding to the tooth parts. It is characterized by.

In addition, the outer surface of the connecting member between the respective coupling grooves is characterized in that the bent grooves are formed so that the connecting member is easily wound on the outer surface of the rotating body.

In another aspect, the present invention is characterized in that the connecting member and the rotating body are provided integrally, and the connecting member is made of a material which can be bent to be wound or unwound on the rotating body.

In addition, the present invention is characterized in that it comprises a locking portion formed at the end of the connecting member for connecting the connecting member and the opening and closing door, and the locking groove formed on the inner surface of the opening and closing door so that the locking portion can be engaged. .

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2, the air conditioner according to the present invention, the heat exchanger is installed on the inner upper portion of the main body 10 for the heat exchange of the air passing through the box-shaped body 10, the body 10 inside (11), a blower (12) is provided on the inner lower portion of the main body 10 for blowing air. In addition, the front surface of the main body 10 is closed by an opening / closing door 21 in which the lower part is closed through the lower panel 13 and the upper part is liftable.

On both sides of the lower part of the main body 10, suction inlets 14 for suctioning indoor air into the main body 10 are formed, and on both sides of the upper part of the main body 10, the air harmonized from the inside is returned to the indoor space. The first discharge ports 15 are formed to be discharged. In addition, a second discharge port 16 is formed in the front center portion of the main body 10 so that the harmonized air can also be discharged from the front of the main body 10.

The heat exchanger 11 is installed to have a predetermined inclination in the upper space inside the main body 10 so that air inside the main body 10 may be heat-exchanged while passing therethrough. The blower 12 is installed in the lower space inside the main body 10, and the air sucked into the main body 10 through the suction ports 14 on both sides passes through the upper heat exchanger 11, and then the first discharge port. Blower toward the field 15 and the second discharge port 16. In FIG. 1 and FIG. 2, reference numeral 17 denotes a fan casing for guiding the blown air toward the heat exchanger 11.

The air blowing guides the blowing of the discharged air so that the air passing through the heat exchanger 11 can be smoothly blown toward the first discharge ports 15 on both sides and the second discharge port 16 on the front of the main body 10. The guide plate 18 is installed. The blowing guide plate 18 has a central portion recessed toward the rear so that the air to be blown is easily dispersed toward the first discharge ports 15 on both sides, and both sides are formed as inclined surfaces. In addition, the blowing guide plate 18 is provided with an inclined surface in the lower portion so as to smoothly blow to the second discharge port 16 in the front of the main body 10.

Such an air conditioner has air that is sucked into the main body 10 through the inlets 14 on both sides of the lower side when the blower 12 operates, and then heat exchanges through the heat exchanger 11, and then the first outlets on both sides of the upper side. The indoor air is conditioned (cooled or heated) by being supplied back to the indoor space through the field 15 and the second discharge port 16 on the front surface.

In addition, the air conditioner according to the present invention includes a discharge opening and closing device 20 for opening and closing the second discharge port (16).

The discharge opening / closing device 20 opens and closes the second discharge port 16 by lifting and lowering, and simultaneously covers the upper front of the main body 10 to provide a beautiful front appearance, and an opening and closing door 21. It includes a guide device 30 for supporting the opening and closing door 21 to guide the lifting of the elevating device, and elevating device 40 for elevating the opening and closing door.

1 and 2, the guide device 30 is provided on each of the upper and lower sides of the front of the airflow guide plate 18, the guide rails 31 are formed with a guide groove 32 in the vertical direction, Supports 33 extending from the inner surface of the opening / closing door 21 corresponding to the positions of the respective guide rails 31 toward the guide rails 31, and the guide grooves 32 of the guide rails 31 from the supports 33. Guide protrusions 34 protruding to enter). This allows the guide protrusions 34 to enter and lift the guide groove 32 of the guide rail 31 so that the opening and closing door 21 can be lifted and supported.

The lifting device 40 is disposed at the rear center portion of the opening and closing door 21 and is driven by a driving motor 41 fixed to the airflow guide plate 18, a cylindrical rotor 42 coupled to the shaft of the driving motor 41, and It includes a connecting member 43 for connecting between the opening and closing door 21 and the rotating body 42.

The drive motor 41 is composed of a motor capable of forward and reverse rotation so as to raise or lower the opening / closing door 21. The connecting member 43 has one end connected to the outer surface of the rotating body 42 and the other end connected to the inner surface of the opening / closing door 21. When the rotating body 42 rotates, the connecting member 43 is wound on the outer surface of the rotating body 42. It is made of a material that can bend to loosen. The connection member 43 may be made of elastic rubber material or soft resin.

The rotating body 42 and the connecting member 43 may be separately manufactured after being separately manufactured, but are preferably integrally molded in an interconnected state as shown in FIG. 3. This is to simplify the configuration of the lifting device 40 by reducing the number of parts and at the same time easy to manufacture. In addition, the connecting member 43 is formed with a plurality of bending grooves 44 on the outer surface so that it can be easily bent when wound on the rotating body (42). These bending grooves 44 are preferably formed at equal intervals at positions spaced apart from each other in the longitudinal direction of the connecting member 43.

In addition, the rotating body 42 is provided with a plurality of teeth 48 formed to protrude on the outer surface and arranged at equal intervals in the rotational direction, and the connecting member 43 has a plurality of teeth 48 to be caught by the teeth 48. Coupling grooves 49 are formed. The plurality of coupling grooves 49 are spaced at equal intervals in the longitudinal direction of the connecting member 43 so that the coupling member 43 is coupled to the teeth 48 when the connecting member 43 is wound around the rotating body 42. Is formed. In addition, the coupling grooves 49 are formed at positions between the bending grooves 44 of the connection member 43.

This configuration is such that when the connecting member 43 is wound on the outer surface of the rotating body 42, the coupling grooves 49 of the connecting member 43 are caught in correspondence with the teeth 48 of the rotating body 42. This prevents the opening and closing of the opening and closing door 21 due to the elongation of the connecting member 43 and the like, while the 43 is prevented from being separated from the rotating body 42 and loosened. In addition, such a configuration is to prevent the phenomenon in which the bent grooves 44 are formed by protecting the portion in which the bent grooves 44 of the connecting member 43 are formed during long-term use.

As shown in FIG. 3, a locking portion 45 formed in a T shape is provided at a lower end of the connecting member 43 connected to the opening / closing door 21, and the locking portion 45 is provided on an inner surface of the opening / closing door 21. Coupling jaws 47 are formed to form a locking groove 46 that can be engaged by both sides of the engaging. This is to connect the connecting member 43 and the opening and closing door 21 by only the operation of hanging the T-shaped locking portion 45 of the connecting member 43 to the locking groove 46 of the opening and closing door 21.

Next, the operation of the discharge opening and closing device will be described.

When the second discharge port 16 is opened, as shown in FIG. 4, the rotating body 42 rotates clockwise by the operation of the drive motor 41, and the connecting member 43 rotates the rotating body 42. It is pulled upward while winding on the outer surface of the Therefore, since the opening and closing door 21 connected to the connecting member 43 is raised, the second discharge port 16 is opened.

When such an operation is made, the opening / closing door 21 is smoothly raised because the guide protrusions 34 are guided by the guide grooves 32 of the guide rail 31. In addition, the connecting member 43 is coupled to the teeth 48 of the outer surface of the rotating body 42, each coupling groove 49 is not separated or released from the rotating body 42 when wound on the rotating body 42 .

When the second discharge port 16 is closed, as shown in FIG. 5, the rotating member 42 rotates counterclockwise by the operation of the drive motor 41 and is wound around the rotating body 42. (43) is released again. Therefore, the opening and closing door 21 connected to the connecting member 43 is lowered again by its own weight, so the second discharge port 16 is closed.

As described in detail above, the air conditioner with the discharge opening and closing device according to the present invention is a structure in which the opening and closing door is lifted by the operation of the connecting member of the lifting device is wound or unrolled on the rotating body, the configuration is simpler than before, but the opening and closing of the discharge port There is an effect that can be performed smoothly.

In addition, the present invention has an effect that the opening and closing of the opening is made while the connecting member is wound on the rotating body, and the opening and closing door is lowered while the connecting member is released from the rotating body, thereby making the opening and closing operation of the discharge port quiet.

In addition, the present invention has an effect that can prevent the phenomenon in which the connecting member is separated or released from the rotating body because the coupling grooves of the connecting member is coupled to the toothed portion of the rotating body when the connecting member is wound on the rotating body.

Claims (5)

Equipped with an opening and closing door which is installed in the discharge port to be elevated, and an elevator opening and closing device including a lifting device for lifting the opening and closing door, The elevating device includes a driving motor, a rotating body coupled to the shaft of the driving motor, one end of which is integrally connected to the rotating body, and the other end of which is connected to the opening / closing door, and which can be bent or wound on an outer surface of the rotating body. A connection member made of a material, a plurality of teeth formed to protrude on an outer surface of the rotating body, and a plurality of coupling grooves formed in the connection member to be caught corresponding to the teeth, And the connecting member and the rotating body are integrally formed, and the connecting member is made of a material which can be bent so as to be wound or unwound on the rotating body. The method of claim 1, The plurality of tooth parts are formed at equal intervals on the outer surface of the rotating body, the plurality of coupling grooves are spaced apart at equal intervals in the longitudinal direction of the connecting member to be coupled to correspond to the tooth parts. Air conditioning. The method of claim 2, Air conditioner, characterized in that the bent grooves are formed on the outer surface of the connecting member between the coupling grooves so that the connecting member is easily wound on the outer surface of the rotating body. delete The method of claim 1, And an engaging portion formed at an end of the connecting member for connecting the connecting member and the opening and closing door, and a locking groove formed in an inner surface of the opening and closing door so that the engaging portion can be engaged.

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