KR100629527B1 - Indoor unit of air-conditioner - Google Patents

Abstract

The present invention relates to an air conditioner, and more particularly, to a front discharge opening and closing structure of the indoor unit to allow the indoor air sucked from the rear side to be discharged to the front.

The air conditioner indoor unit according to the present invention includes a front frame having an inlet and an outlet and forming an appearance thereof; An opening and closing device for opening and closing the discharge port; and the opening and closing device includes a discharge door door reciprocating to open and close the discharge port, and a discharge door door opening and closing device driving the discharge door. A front frame having a discharge port formed on a side surface including a moving means, a vertical movement means intersecting the horizontal movement means, and a driving means for driving the horizontal movement means and the vertical movement means; Includes an opening and closing device formed on the front of the front frame to open and close the discharge port.

According to the discharge opening and closing structure of the indoor unit of the air conditioner according to the present invention, since at least one or more discharge port doors provided in the front part of the indoor unit is controlled by one driving device, the manufacturing process is simplified and the manufacturing cost is reduced. .

Mounting arm, link gear, tie wrap gear

Description

Indoor unit of air conditioner {Indoor unit of air-conditioner}

1 is a perspective view showing a state in which a discharge port of a conventional indoor air conditioner indoor unit is closed.

2 is a perspective view showing a state in which the discharge port is opened.

Figure 3 is a perspective view schematically showing an indoor unit having a discharge opening and closing structure according to the spirit of the present invention.

Figure 4 is a perspective view showing the opening and closing device with a discharge door according to the spirit of the present invention is attached.

Figure 5 is a front perspective view of the left and right moving means that is a component of the discharge opening and closing device according to the spirit of the present invention.

6 is a rear perspective view of the left and right moving means.

7 is a front view of the link gear constituting the discharge opening and closing structure according to the spirit of the present invention.

Figure 8 is a side view showing a driven gear that is a component of the opening and closing structure according to the present invention.

Figure 9 is a side view showing a drive gear that is a component of the opening and closing structure.

10 is a front view of the rear cover is seated in the opening and closing device according to the spirit of the present invention.

Figure 11 is a rear view showing the back of the front frame with a drive motor for driving the opening and closing device according to the spirit of the present invention.

12 is a perspective view showing a discharge opening and closing device in a state in which the discharge opening of the indoor unit according to the present invention is closed.

Figure 13 is a perspective view showing the discharge opening and closing device in the discharge opening state.

14 is another embodiment of the opening and closing structure according to the spirit of the present invention.

15 is another embodiment of the opening and closing structure according to the spirit of the present invention.

<Description of the symbols for the main parts of the drawings>

100: indoor unit 120: front frame 160: base

170: total length portion 200: discharge opening and closing device 210: front cover

220: rear cover 230: mounting arm 240: drive gear

250: driven gear 260: link gear 300: step motor

400: discharge door 410: hook hook

The present invention relates to an air conditioner, and more particularly, to a front discharge opening and closing structure of the indoor unit to allow the indoor air sucked from the rear side to be discharged to the front.

In general, the air conditioner performs a refrigeration cycle of the refrigerant circulating therein compression, condensation, expansion and evaporation. In particular, in the case of an air conditioner, the refrigerant is compressed to high temperature and high pressure, and then heat is released to the outside from the condenser, and the temperature and pressure drop considerably while passing through the expansion valve. The low temperature and low pressure refrigerant passes through the evaporator, absorbs heat, and then enters the condenser again.

Here, the compression process, the condensation process and the expansion process are performed in the outdoor unit of the air conditioner, and the evaporation process is performed by the blower fan and the heat exchanger of the indoor unit.

In addition, the air conditioner is largely divided into a window type air conditioner in which a refrigeration cycle apparatus is mounted in one body and installed in a window, and a separate air conditioner installed in the indoor and outdoor by separating the indoor unit and the outdoor unit.

In addition, in the case of the separate type air conditioner, it is classified into a wall-mounted type, an upper tooth type, a ceiling-hanger type, and a ceiling-embedded type according to the installation method.

In addition, the indoor unit of the structure that can be used as a wall-mounted or upper teeth type, and can also be used as a ceiling-mounted type according to the needs of the user is called a convertible indoor unit.

1 is a perspective view showing a state in which a discharge port of a conventional indoor air conditioner indoor unit is closed, Figure 2 is a perspective view showing a state in which the discharge port is open.

1 and 2, the general air conditioner indoor unit 10 includes a front panel 20 forming a front portion, a front frame 35 on which the front panel 20 is seated, and the front frame 35. The base 40 is attached to the rear surface, and the discharge opening opening and closing door 32 is provided on the side.

In the conventional indoor unit 10 having the above-described configuration, when power is applied, the discharge door 32 is opened, and the indoor air cooled through the discharge opening / closing door 32 is discharged. Then, when the operation of the indoor unit 10 is stopped, the discharge port door 32 is closed.

In order to drive a door that opens and closes a discharge port, a conventional general air conditioner indoor unit has a problem in that separate driving devices must be mounted on the discharge port open / close doors, respectively. As a result, since the driving motors must be mounted to drive the discharge opening / closing doors, the manufacturing cost increases, and the manufacturing process is lengthened to mount one device, and the cost of manufacturing the indoor unit increases. .

The present invention has been proposed to solve the above problems, and an object of the present invention is to provide a discharge door opening and closing device that can open and close the discharge port provided in the front part of the indoor unit collectively.

The air conditioner indoor unit according to the present invention for achieving the object as described above is formed with an inlet and a discharge port front frame to form an appearance; An opening and closing device for opening and closing the discharge port; and the opening and closing device includes a discharge door door reciprocating to open and close the discharge port, and a discharge door door opening and closing device driving the discharge door. A front frame having a discharge port formed on a side surface including a moving means, a vertical movement means intersecting the horizontal movement means, and a driving means for driving the horizontal movement means and the vertical movement means; Includes an opening and closing device formed on the front of the front frame to open and close the discharge port.

By the indoor unit of the air conditioner as described above, there is an effect that the discharge port formed in the front of the indoor unit is opened and closed by one drive motor.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the spirit of the present invention is not limited to the embodiments presented, and other embodiments included within the scope of other inventive inventions or the scope of the present invention can be easily made by adding, changing, or deleting other elements. I can suggest.

Figure 3 is a perspective view schematically showing an indoor unit having a discharge opening and closing structure according to the spirit of the present invention.

Referring to Figure 3, the indoor unit 100 is provided with a discharge opening and closing structure according to the present invention, the discharge opening and closing device 200, the discharge opening and closing device 200 is attached to the front, the discharge port 121 is formed on the side The front frame 120 is connected to the discharge opening and closing device 200, the discharge port door 400 for opening and closing the discharge port 121, the base is attached to the back of the front frame, the indoor air inlet is provided ( 160).

Hereinafter, each component of the opening and closing device will be described in detail with the drawings.

Figure 4 is a perspective view showing the opening and closing device with a discharge port door is attached according to the spirit of the present invention.

4, the discharge opening and closing device 200 according to the present invention is protected by the upper case 210 and the rear cover 220, the discharge door 400 is located on both sides of the opening and closing device 200. . And, the outlet port 400 is hook hook ring 410 is formed on the side to be coupled to the outlet opening and closing device 200.

Figure 5 is a front perspective view of the left and right moving means which is a component of the discharge opening and closing device according to the spirit of the present invention, Figure 6 is a rear perspective view of the left and right moving means.

5 and 6, the left and right moving means according to the present invention is provided with a discharge port door hook hook 231 for engaging with the hook hook ring 410 provided in the discharge door 400 at both ends. An arm 230 and a tie wrap gear 234 extending perpendicularly to one side of the mounting arm 230 and having gear teeth formed on an upper side or a lower side thereof are included. And the left and right moving means is provided with a pair to face each other.

Here, the shape of the left and right moving means is not limited to the embodiment of the present invention, and all shapes to which the same idea is applied to move the discharge door 400 in the left and right directions are included in the scope of the present invention.

On the other hand, the lower side of the tie wrap gear 234 is formed horizontally with a predetermined length, and includes a horizontal guide groove 232 to allow the mounting arm 230 to reciprocate horizontally horizontally. In detail, the gear teeth formed on the upper or lower surface of the tie wrap gear 234 mesh with the gear teeth of the driven gear which will be described later. As the driven gear rotates, the tie wrap gear 234 reciprocates from side to side.

In addition, the tie wrap gear guide groove 235 is formed in the upper or lower side of the tie wrap gear 234 is formed horizontally recessed to a predetermined depth. The guide groove 235 is formed to allow the tie wrap gear 234 to pass through the upper side of the mounting arm 230 without causing interference with the mounting arm 230.

On the other hand, looking at the rear surface of the mounting arm 230, the mounting arm guide rib 236 having a predetermined height and length is formed on the upper side of the horizontal guide groove 232. The mounting arm guide rib 236 is formed to perform the same function as the horizontal guide groove 232. In other words, the mounting arm 230 can be easily reciprocated in the horizontal direction, and is provided so as not to leave the track.

7 is a front view of the link gear constituting the discharge opening and closing structure according to the spirit of the present invention.

Referring to FIG. 7, the link gear 260 moves vertically up and down, and a driven gear 266 and a driving gear 265 are formed on one side thereof. The drive gear 265 is engaged with a drive gear (to be described later) connected to a motor (to be described later) to drive the opening and closing device to receive a driving force. Therefore, by the rotation of the drive gear, the link gear 260 is vertical vertical movement. In addition, by the vertical vertical movement of the link gear 260, the driven gear (described later) engaged with the driven gear 266 is rotated. As described above, the tie wrap gear 234 provided on the mounting arm 230 reciprocates left and right by the rotation of the driven gear.

In addition, a vertical guide groove 261 having a predetermined width and length is formed at an approximately center portion of the link gear 260, and the vertical guide groove 261 is inserted with a vertical guide rib fixedly fixed to a lower cover which will be described later. . By the action of the vertical guide ribs and the vertical guide grooves 261, the link gear 260 helps to avoid leaving the track while moving vertically up and down.

8 is a side view showing a driven gear that is a component of the opening and closing structure according to the present invention, Figure 9 is a side view showing a drive gear that is a component of the opening and closing structure.

8 and 9, the driven gear 250 according to the present invention is formed on the gear shaft 251 and the outer circumferential surface of the gear shaft, and has a predetermined diameter at the top thereof to form the tiewrap gear 234. The upper gear 252 meshes with the gear teeth formed in the upper gear 252, and the upper gear 252 is formed below the gear gear 252 with a diameter smaller than that of the upper gear 252, and the driven gear 266 formed in the link gear 260 is engaged with the gear gear 252. The physics lower gear 253 is included.

In the driven gear 250, the lower gear 253 rotates by the vertical movement of the link gear 260, and the upper gear 252 rotates together as the lower gear 253 rotates. . Accordingly, the tie wrap gear 234 meshed with the upper gear 252 moves in the left and right directions.

On the other hand, the drive gear 240 has a predetermined diameter on the gear shaft 241 connected to the shaft of the step motor (to be described later) mounted on the rear surface of the front frame 120, and the outer peripheral surface of the gear shaft 241 Gear 242 is formed with the included.

As the step motor rotates, the gear shaft 241 rotates. As the gear shaft 241 rotates, the drive gear 265 of the link gear 260 meshing with the gear 242 is rotated. It moves up and down.

10 is a front view of the rear cover to which the opening and closing device according to the spirit of the present invention is seated.

Referring to Figure 10, the rear cover 220 of the opening and closing device according to the present invention is a cover fixing rib 221 is formed on the upper and lower and / or left and right borders, the role to be closely coupled to the front cover (not shown) Do it. In detail, it is evident from the embodiment of the present invention that the cover fixing rib 221 can be formed in the same as the edge of the front cover.

In addition, the rear cover 220 is formed at an upper side of the central portion of the drive gear through-hole 243 and the gear shaft 241 of the drive gear 240 and the lower side of the drive gear through-hole 243. A driven gear through hole 254 is formed to allow the gear shaft 251 of the driven gear 250 to pass therethrough.

In addition, the link gear side departure preventing rib 263 is formed vertically with a predetermined length and height in a portion in contact with the side of the link gear 260 to prevent the link gear 260 is separated from the left and right. Included. Further, in a state in which the link gear 260 is located at the lowest point, a lower departure prevention rib 264 formed horizontally with a predetermined length and height is further included in a portion in contact with the bottom surface of the link gear 260. In detail, the lower departure preventing rib 264 not only prevents the link gear 260 from moving up and down, but also functions to set a limit at which the link gear 260 can descend to the maximum.

In addition, the left and right of the rear cover 220 includes a mounting arm departure prevention ribs 222 formed along the outer surface shape of the mounting arm.

In detail, the mounting arm separation preventing rib 222 is formed at the position where the mounting arm 230 is positioned in the state in which the discharge port door 400 is completely closed, and is formed along the outer surface of the mounting arm 230.

In more detail, the mounting arm separation prevention rib 222 serves to set a limit to which the mounting arm 230 can be extended to the outside as much as possible, and the mounting arm 230 is separated from the left and right movable sections. Serves to prevent this from happening.

In addition, horizontal guide bosses 233 inserted into horizontal guide grooves 232 horizontally formed below the mounting arms are formed on the lower left and right sides of the rear cover 220, and the top of the horizontal guide boss 233 is formed. In the side portion, a mounting arm guide rail 224 is formed to insert the mounting arm guide rib 236 to move left and right.

In detail, the horizontal guide boss 233 is inserted into the horizontal guide 232 to allow the mounting arm 230 to always reciprocate in the same section. In addition, the mounting arm guide rib 236 also functions to move along the mounting arm guide rail 224 so that the mounting arm 230 reciprocates in the same section.

In addition, a tie wrap gear guide rib 223 is formed on the upper and lower sides of the driven gear through hole 254 horizontally with a predetermined length and height.

The tiewrap gear guide rib 223 is formed at a position in contact with the upper and lower surfaces of the tiewrap gear 234 while the tiewrap gear 234 is engaged with the driven gear 250. This serves to prevent the tie wrap gear 234 from being separated from the driven gear 250 during the left and right reciprocating motion in the state in which the tie wrap gear 234 is engaged with the driven gear 250.

11 is a rear view illustrating a rear surface of a front frame to which a driving motor for driving an opening and closing device according to the inventive concept is attached.

Referring to Figure 11, the drive motor for driving the discharge opening and closing device 200 according to the present invention is used a step motor 300 that can perform both forward and reverse rotation at the same time.

The step motor 300 is attached to the upper rear surface of the front frame, the motor shaft of the step motor 300 is connected to the gear shaft 241 of the drive gear 240, the of the step motor 300 The rotational force is transmitted to the link gear 260.

12 is a perspective view showing the discharge opening and closing device in a state in which the discharge port of the indoor unit according to the present invention is closed, Figure 13 is a perspective view showing the discharge opening and closing device in the state in which the discharge port is open.

An operation of the outlet opening and closing device will be described with reference to FIGS. 12 and 13.

First, the process of opening the discharge opening and closing door 400 will be described.

When power is applied to the indoor unit 100, the step motor 300 mounted on the rear surface of the front frame 120 is operated. When the step motor 300 operates, the drive gear 240 axially connected to the step motor 300 rotates counterclockwise. When the driving gear 240 rotates, the driving gear 265 meshed with the driving gear 240 rises, and the link gear 260 rises. In addition, as the link gear 260 rises, the driven gear 250 also rotates in a counterclockwise direction. In addition, while the left tie wrap gear 234 meshed with the lower side of the driven gear 250 is moved to the right side, the mounting arm 230 provided on the left side is also moved to the left side. On the contrary, while the right tie wrap gear 234 engaged with the upper side of the driven gear 250 is moved to the left side, the mounting arm 230 provided on the right side is moved to the right side.

At this time, the tie wrap gear 234 interferes with the mounting arm 230 located on the opposite side, in order to prevent the interference phenomenon, the upper side of the mounting arm of the portion where the tie wrap gear 234 is interfered with In order to smoothly pass the tie wrap gear 234, a tie wrap gear guide groove 235 is formed which is recessed to a predetermined width and depth.

On the other hand, the process of closing the discharge opening and closing door 400 is the step motor 300 is rotated in the reverse direction, the drive gear 240 is rotated in the clockwise direction, reverse the step of opening the discharge port door 400 Will be performed.

14 is another embodiment of the opening and closing structure according to the spirit of the present invention.

Referring to FIG. 14, in the opening and closing structure 200 according to the present invention, power may be transmitted by winding a belt 270 having gear teeth formed on an inner circumferential surface instead of the link gear 260.

15 is another embodiment of the opening and closing structure according to the spirit of the present invention.

Referring to FIG. 15, in the opening and closing structure 200 according to the present invention, instead of the driving gear 240, a first rotating body 290 having a shape of a rotating disc having a smooth outer state without a gear may be used. . In addition, under the upper gear 252 of the driven gear 250, a second rotating body 295 replaced by a disc having a smooth outer circumferential surface without a gear may be used. Then, the rubber belt 280 is wound around the outer circumferential surfaces of the first and second rotating bodies 290 and 295.

Therefore, when the first rotating body 290 rotates, the rubber belt 280 rotates to open and close the discharge port door 400.

By the indoor unit of the air conditioner according to the present invention as described above, there is an effect that the discharge port provided in the front part of the indoor unit is opened when using the indoor unit, and closed when not in use.

In addition, when the discharge port is closed when not in use, there is an effect that the foreign matter does not flow into the indoor unit, and the appearance of the indoor unit can be seen clearly.

In addition, since at least one discharge port door provided in the indoor unit front part is controlled by one driving device, the manufacturing process is simplified and the manufacturing cost is reduced.

Claims (8)

A front frame having an inlet and an outlet formed therein to form an appearance; Includes; opening and closing device for opening and closing the discharge port, The opening and closing device includes a discharge port door reciprocating to open and close the discharge port, and a discharge door door opening and closing device for driving the discharge port door, The discharge port door opening and closing apparatus includes a left and right moving means, a vertical moving means formed to intersect the left and right moving means, and a driving means for driving the left and right moving means and the vertical moving means. The method of claim 1, The plurality of discharge ports are formed on the front frame, the indoor unit of the air conditioner, characterized in that the discharge port door is reciprocated left and right. The method of claim 1, The indoor unit of the air conditioner, wherein the left and right moving means and the vertical moving means are orthogonal to each other. The method of claim 1, Is coupled to the front of the front frame, the indoor unit of the air conditioner further comprises a front panel covering the opening and closing device. The method of claim 1, The left and right moving means and the mounting arm is connected to the discharge port door; An indoor unit of the air conditioner, which is formed to extend perpendicular to one side of the mounting arm, the gear is formed on the upper or lower side. The method of claim 1, The vertical movement means and the rotary gear, The gear opening is formed on one side, the discharge opening and closing structure of the indoor unit of the air conditioner including a link gear that is engaged with the rotary gear to reciprocate up and down. The method of claim 1, The driving means is attached to the rear surface of the front frame, discharge opening and closing structure of the indoor unit of the air conditioner, characterized in that the step motor capable of forward and reverse rotation. The method of claim 1, The opening and closing structure of the indoor unit of the air conditioner further comprises a case for protecting the left and right movement means and the vertical movement means.

Images