KR101269461B1 - air conditioner - Google Patents

Abstract

Disclosed is an air conditioner which can reduce the manufacturing cost by simplifying the configuration of the discharge opening and closing device, and facilitates installation and separation of the discharge opening and closing device. The air conditioner has a main body having a discharge port, an opening / closing door installed on the main body to open and close the discharge port, a lifting device for lifting the opening / closing door, and door guides provided on both sides of the main body to guide the lifting and lowering of the opening / closing door. It includes a groove, a plurality of guide projections provided on both sides of the opening and closing door to move up and down along the door guide groove, and a plurality of entrance grooves formed in the front portion of the main body to enter the guide projection into the door guide groove.

Description

AIR CONDITIONER

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

Figure 2 is an exploded perspective view showing the configuration of the discharge opening and closing device of the air conditioner according to the present invention.

3 is a cross-sectional view showing in detail the configuration of the first hook portion and the second hook portion of the air conditioner discharge port opening and closing apparatus according to the present invention.

Figure 4 is a perspective view showing in detail the configuration of the guide device of the air conditioner discharge opening and closing device according to the present invention.

5 is a perspective view showing the configuration of the upper rear portion of the air conditioner according to the present invention.

Explanation of symbols on the main parts of the drawings

10: main body, 11: heat exchanger,

12: blower, 14: inlet,

15,16: side discharge outlet, 17: front discharge outlet,

18, 19: blower guide plate, 30: discharge opening and closing device,

31: open and close door, 32: horizontal member,

33: vertical member, 34: lifting member,

35: rack gear, 36: first hook portion,

37: drive motor, 38: pinion gear,

39: lifting rails, 40: second hook portion,

50: door guide groove, 51, 52, 53: guide projection,

55a, 55b: entry 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.

Modern air conditioners have a discharge opening and closing device that can open the discharge port when in use and close the discharge port when not in use. This is to close the discharge port when not in use to prevent foreign substances from entering the discharge port. Republic of Korea Utility Model Publication No. 20-0341457 discloses an air conditioner equipped with such a discharge opening and closing device.

The discharge opening and closing device disclosed in the above publication is a front panel formed with a discharge port, a shutter mounted to the rear of the front panel to be elevated, an operation link connected to the lower end of the shutter, a connector connected to the operation link at the top, and a drive equipped with a pinion gear. Contains a motor. In addition, a pair of rails formed on the guide panel at the rear of the front panel to guide the shangdong of the connector, a rack gear mounted on the rail side to engage with the pinion gear, and guide grooves formed at both sides of the guide panel to guide the lifting and lowering operation of the shutter. Include. When the pinion gear rotates by the operation of the drive motor, the outlet opening / closing device opens and closes the outlet opening while the connector is lifted along the rail, and the shutter connected to the connector is lifted along the guide groove through the operation link.

However, this outlet opening and closing device has a large number of parts and a complicated structure because the shutter is connected to the connector via an operation link. Therefore, there was a problem of high manufacturing cost. In addition, when assembling the outlet opening and closing device during the manufacturing process, the shutter, operation link, connector, and driving motor should be mounted on the guide panel, and the guide panel should be coupled to the main body, and then the front panel should be mounted in front of the guide panel. Because of the difficult installation.

In addition, this outlet opening and closing device has a drawback in that it is difficult to repair the shutter because it is difficult to separate the shutter from the front panel when the shutter is to be removed for troubleshooting.

The present invention is to solve such problems, an object of the present invention is to provide an air conditioner to reduce the manufacturing cost by simplifying the configuration of the discharge opening and closing device than the prior art.

Another object of the present invention is to provide an air conditioner that can easily perform the installation and separation of the discharge opening and closing device.

An air conditioner according to the present invention for achieving the above object, an opening and closing door installed to be elevated on the main body for opening and closing the discharge opening, a lifting device for elevating the opening and closing door, the opening and closing door Door guide grooves respectively provided on both sides of the main body to guide the lifting and lowering of the main body, a plurality of guide protrusions provided on both sides of the opening and closing door to move up and down along the door guide grooves, and the guide protrusions to enter the door guide grooves. It characterized in that it comprises a plurality of entry grooves formed in the front portion.

The present invention further includes a first hook portion provided in the elevating device and a second hook portion provided on the inner surface of the opening and closing door so as to be engaged by the elevating device when the opening and closing the opening and closing door is mounted along the elevating path. It features.

In addition, the door guide groove is extended to the upper end of the main body so that the guide projections can be separated from the door guide groove when the opening and closing door to the upper portion is characterized in that the top is open.

In addition, the present invention is characterized in that the distance between the guide projections is closer than the distance between the access grooves to prevent the separation of the opening and closing door.

The guide protrusion may include an extension part extending from the inner surface of the opening / closing door toward the main body, and a protrusion part protruding laterally from the tip of the extension part to enter the door guide groove.

In addition, the present invention is characterized in that the second hook portion is located above the first hook portion when the guide protrusion of the lowermost of the guide projections into the lowest entry groove of the entry grooves.

In another aspect, the present invention is characterized in that the second hook portion is separated from the first hook portion when the opening door is pulled upward.

The first hook portion may include a front extension portion extending forward from the elevating device and an upper extension portion extending upward from the front extension portion, and the second hook portion may be hooked in a horizontal direction spaced apart from an inner surface of the opening / closing door. And a connecting portion connecting both ends of the rod and the hooked door to an inner surface of the opening / closing door.

In addition, the elevating device has a predetermined length in the transverse direction and the lifting member including a horizontal member provided with the first hook portion on each side, and a vertical member extending downward from the central portion of the horizontal member and provided with a rack gear in the longitudinal direction Absence; A lifting rail provided in the main body to support the vertical member to be liftable; And a drive motor coupled to the main body for elevating the vertical member and having a pinion gear meshed with the rack gear.

In addition, the lifting member is characterized in that the first hook portion, the horizontal member, the vertical member is integrally molded.

Hereinafter, preferred 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 11 is installed on the inner upper portion of the main body 10, and the blower installed in the inner lower portion of the main body 10 for blowing air (12) is provided. In addition, the front surface of the main body 10 is closed by the lower panel 13, the upper portion is covered by the opening and closing door 31 which will be described later.

Inlet ports 14 for suctioning indoor air are formed at both sides of the lower part of the main body 10, and side discharge ports 15 and 16 for discharging air harmonized therein at both sides of the upper part of the main body 10. ) Is formed. In addition, the front discharge port 17 is formed on the front surface of the main body 10 to the upper side of the lower panel 13 so that harmonized air can be discharged forward.

The blower 12 sucks air from the suction port 14 side on both sides of the main body and blows it toward the heat exchanger 11 at the upper side. The blower 12 includes a centrifugal blower fan 12a, a motor 12b for driving the blower fan 12a, and a fan casing 12c for guiding the blown air toward the heat exchanger 11.

The heat exchanger 11 is provided in a flat shape so that the air blown from the blower 12 can be heat-exchanged while passing therethrough, and the heat exchanger 11 is installed to be inclined to partition the inner upper space of the main body 10. Harmonized air passing through the heat exchanger 11 is supplied to the indoor space through both side discharge ports 15 and 16 and the front discharge port 17.

Blowing guide plates 18 and 19 are installed at the front of the main body 10 to guide the air passing through the heat exchanger 11 to the side discharge ports 15 and 16 and the front discharge port 17 on both sides. The blowing guide plates 18 and 19 protrude in a mountain shape toward the rear so that the central part can guide the blown air to both side discharge ports 15 and 16. In addition, slopes 18a and 19a are provided on the lower side of the upper blower guide plate 18 and the upper portion of the lower blower guide plate 19 toward the front discharge port 17 for smooth blowing toward the front discharge port 17, respectively. In addition, the upper blower guide plate 18 functions to partition the space in which the discharge opening and closing device 30 for elevating the open / close door 31 from the blower flow passage, and the lower blower guide plate 19 is a control panel for controlling the operation of the device. It functions to partition the space in which 20 is installed from the air flow passage.

As shown in FIG. 2, the side discharge ports 15 and 16 are provided with blowing vanes 21 and 22 that guide the discharge direction of the airflow while rotating by the operation of a motor (not shown). The blowing blades 21 and 22 also function to close the side discharge ports 15 and 16 by rotationally closing when the operation of the air conditioner is finished.

The front discharge port 17 is opened and closed by a discharge opening / closing device 30 provided in front of the upper blow guide plate 18. As shown in FIG. 2, the discharge opening / closing device 30 opens and closes the front discharge port 17 while raising and lowering a predetermined section and simultaneously covering the upper front of the main body 10 to provide a beautiful appearance. And a lifting device for elevating the open / close door 31 and a guide device for guiding the lifting and lowering of the open / close door.

The elevating device extends in the horizontal direction and extends downwardly from the center of the horizontal member 32 and the horizontal member 32 provided with first hook parts 36 for coupling the opening / closing doors 31 to both ends thereof, and extends in the longitudinal direction. The elevating member 34 including the vertical member 33 provided with the rack gear 35, and the front blowing guide plate 18 in order to support the vertical member 33 of the elevating member 34. The lifting rail 39 is provided. In addition, the elevating device includes a drive motor 37 installed on the side of the elevating rail 39 for elevating the vertical member 33 and having a pinion gear 38 meshed with the rack gear 35 of the vertical member 33. do. In this lifting device, when the driving motor 37 rotates in the forward or reverse direction, the lifting member 34 moves up and down along the lifting rails 39. Therefore, the opening / closing door 31 can be raised and lowered.

The lifting member 34 has the first hook portion 36, the horizontal member 32, and the vertical member 33 integrally formed by injection molding of the resin material. This is to facilitate the manufacture by simplifying the configuration compared to the conventional outlet opening and closing device, it is to improve the assembly productivity during manufacturing by reducing the number of parts. This also reduces manufacturing costs.

The opening / closing door 31 has second hook parts 40 provided on both inner surfaces so as to correspond to the positions of the first hook parts 36 of the lifting device. Therefore, the opening and closing door 31 can be easily mounted in such a manner as to hang the second hook portion 40 to the first hook portion 36 of the elevating member 34.

2 and 3, the first hook portion 36 includes a front extension portion 36a extending forward from both sides of the horizontal member 32 of the elevating member 34, and a front extension portion 36a. It includes an upward extension portion 36b extending upwardly bent from the tip of the. Therefore, the first hook portion 36 forms a hook groove 36d on which the second hook portion 40 is caught between the front surface of the horizontal member 32, and the upper portion of the hook groove 36d is open. Becomes In addition, the inclined surface 36c is formed at the upper end of the upper extension portion 36b so that the second hook portion 40 easily enters the hook groove 36d. The second hook portion 40 has a lateral hook rod 40a spaced apart from the inner surface of the open / close door 31 and a connecting portion 40b connecting both ends of the hook rod 40a to the inner surface of the open / close door 31. Include.

Such a configuration hangs the hook rod 40a of the second hook portion 40 to the upper extension portion 36b of the first hook portion 36 while lowering the open / close door 31 when the opening / closing door 31 is mounted. The main operation is to be easy to install, and when you want to separate the opening and closing door 31 for troubleshooting, etc., it is to be easily separated by only pulling the opening door 31 upward. In addition, this configuration is such that the second hook portion 40 on both sides of the inner surface of the opening and closing door 31 is caught and supported by the first hook portion 36 on both sides of the horizontal member 32 having a long length in the lateral direction. When you get up and down, you will not shake from side to side.

As shown in FIGS. 2 and 4, the guide device for guiding the lifting and lowering of the opening / closing door 31 is vertically extended on both sides of the front portion of the main body 10 so as to support the both sides of the opening / closing door 31. It includes a formed door guide groove 50, and a plurality of guide protrusions (51, 52, 53) spaced apart from each other on both sides of the opening and closing door 31 to enter the door guide groove (50).

As shown in FIG. 4, the guide protrusions 51, 52, and 53 extend from the inner surface of the opening / closing door 31 toward the main body 10 and the door guide grooves 50. And protrusions 51b, 52b, 53b that protrude laterally from the ends of the extensions 51a, 52a, 53a so as to enter. In addition, a plurality of entry grooves 55a and 55b are formed in the front portion of the main body 10 toward the door guide groove 50 so that the guide protrusion may enter the door guide groove 50 when the door 31 is mounted. do. These entrance grooves 55a and 55b are formed in the upper end portion and the interruption portion of the door guide groove 50, respectively.

The distance L1 between the guide protrusions 51, 52, and 53 is the distance L2 between the access grooves 55a and 55b so as to prevent separation of the open / close door 31 after mounting the open / close door 31. Is constructed closer to This is to prevent the departure of the opening and closing door 31 by keeping the other guide projection is caught in the door guide groove 50 when any one of the guide projection is located in the entry groove. When installing the open / close door 31, the lower guide protrusion 53 enters the lower entry groove 55b, and then pull the open / close door 31 slightly upward to enter the intermediate guide protrusion 52 into the upper entry groove 55a. Can be mounted in such a way as to.

The position of the lower entry groove 55b should be such that the position of the second hook portion 40 when the lower guide protrusion 53 enters the lower entry groove 55b is located above the first hook portion 36. do. This is to allow the second hook portion 40 to be caught by the first hook portion 40 when the guide protrusions 52 and 53 enter the door guide groove 50 and then the opening and closing door 31 is lowered. to be.

In addition, the door guide groove 50 extends to the upper end of the main body 10 and the top is opened. As shown in FIG. 5, the upper guide protrusion 51 may be separated from the door guide groove 50 when the opening / closing door 31 is opened upward. In this case, since the middle and lower guide protrusions 52 and 53 in addition to the upper guide protrusion 50 are located in the door guide groove 50, the detachment of the opening / closing door 31 is prevented.

Next, a description will be given of the method of mounting and detaching the discharge opening and closing device.

When installing the elevating device, as shown in FIG. 2, a drive motor 37 having a pinion gear 38 coupled to the upper blower guide plate 18 is installed, and the vertical member 33 of the elevating member 34 is elevated. The rails 39 are coupled to each other by fitting. At this time, the rack gear 35 formed in the vertical member 33 is meshed with the pinion gear. The elevating member 34 is coupled in such a way that it can be easily separated by only pulling the upper portion when performing a later repair.

When installing the opening and closing door 31, as shown in FIG. 4, first enter the lower guide protrusion 53 into the lower entry groove (55b), and then pull the opening and closing door 31 slightly upward to the intermediate guide protrusion (52). It is mounted in such a way to enter the upper entry groove (55a).

In addition, the opening and closing door 31 may be mounted in such a manner that the guide protrusions 51, 52, and 53 on both sides thereof are lowered from the top of the main body 10 to enter through the upper opening of the door guide groove 50. As such, when the opening / closing door 31 is lowered in the process of mounting the opening / closing door 31, the second hook part 40 on the inner surface of the opening / closing door 31 is the first hook part 36 as shown in FIG. 4. Takes on That is, the opening and closing door 31 can be completed by only the operation of lowering the door guide groove 50 to lower.

When the elevating member 34 is raised by the operation of the driving motor 37, the discharge opening / closing device 30 also increases with the opening and closing door 31 coupled with the elevating member 34. Therefore, the front discharge port 17 is opened. When the elevating member 34 descends by the operation of the drive motor 17, the opening / closing door 31 also descends, so that the front discharge port 17 is closed. When such an operation is made, the opening and closing door 31 is supported by the first hook portions 36 on both sides of the horizontal member 32 of the lifting device, so that the left and right shakes do not occur, and the opening and closing door 31 ) As the guide protrusions 51 on both sides are lifted and guided by the door guide groove 50, there is no shaking back and forth. Therefore, the lifting operation of the opening and closing door 31 is made smooth and stable.

As described in detail above, the air conditioner according to the present invention is made of a horizontal member and a vertical member of the elevating member integrally, and the opening and closing door is coupled by the locking method of the first hook portion and the second hook portion compared with the prior art The configuration of the discharge opening and closing device can be simplified, and the number of parts can be reduced. Therefore, the assembly productivity can be improved and manufacturing cost can be reduced.

In addition, the present invention can be mounted only by the operation of inserting the opening and closing door, it can be separated only by the operation of pulling the opening and closing door upward, there is an effect that can easily perform the installation and separation of the opening and closing device of the discharge opening.

Claims (10)

A main body having a discharge port, an opening / closing door installed on the main body to open and close the discharge port, an elevating device for elevating the opening / closing door, and doors provided on both sides of the main body to guide the elevating of the opening / closing door. A guide groove, a plurality of guide protrusions provided at both sides of the opening / closing door to move up and down along the door guide groove, a plurality of entrance grooves formed in the front portion of the main body to enter the guide protrusion into the door guide groove, and the opening and closing When the door is lowered and mounted along the lifting path, it includes a first hook part provided in the lifting device and a second hook part provided on the inner surface of the opening / closing door to be coupled to the lifting device. The elevating device includes a horizontal member having a predetermined length in the horizontal direction and including a horizontal member having the first hook portions on each side thereof, and a vertical member extending downward from a central portion of the horizontal member and provided with a rack gear in the longitudinal direction. Wow; A lifting rail provided in the main body to support the vertical member to be liftable; And a drive motor coupled to the main body for elevating the vertical member and having a pinion gear meshed with the rack gear. The method of claim 1, And the door guide groove extends to an upper end of the main body so that the guide protrusions can be separated from the door guide groove when the door is pulled upward. The method of claim 1, The air conditioner, characterized in that the distance between the guide projections to be closer than the distance between the entry grooves to prevent the opening and closing of the door. The method of claim 3, And the guide protrusion includes an extension part extending from the inner surface of the opening / closing door toward the main body, and a projection part protruding laterally from the tip of the extension part to enter the door guide groove. The method of claim 3, And the second hook portion is positioned above the first hook portion when the guide protrusion of the lowermost of the guide protrusions enters the lowest entry groove of the entry grooves. The method of claim 1, And the second hook portion is separated from the first hook portion when the opening door is pulled upward. The method of claim 6, The first hook portion includes a front extension portion extending forward from the elevating device, and an upward extension portion extending upward from the front extension portion, and the second hook portion includes a hook rod in a lateral direction spaced apart from an inner surface of the opening / closing door. And a connecting portion connecting both ends of the hook rod to the inner surface of the opening / closing door. The method of claim 1, The lifting member is an air conditioner, characterized in that the first hook portion, the horizontal member, the vertical member is integrally molded. delete delete

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