JP5510668B2 - Air conditioner indoor unit - Google Patents

Description

  The present invention relates to an indoor unit of an air conditioner in which a handle for opening and closing a suction grille is made inconspicuous.

  In recent years, an indoor unit of an air conditioner that is attached to a wall surface in a room is preferred to have a design that harmonizes with the indoor space to be installed. For this reason, high-brightness colors such as white and beige, which are often used for indoor wallpaper, are used as the main body color. In addition, in the form, close the suction port with a flat open / close panel at the time of operation stop and close the air outlet with a wind direction plate so that the presence of irregularities due to the suction port and the air outlet is not noticeable, and the indoor space is not disturbed There are many things to block.

  The indoor unit of this air conditioner has a front panel with a top suction port, a front suction port at the upper front and a blower outlet at the lower front, and a casing with a heat exchanger and a blower fan inside. The outer shell is composed of an open / close panel that is attached to the front portion of the front panel and opens and closes the front air inlet, and a wind direction plate that opens and closes the air outlet.

  During operation, the open / close panel rotates to open the front suction port, sucking air from the front suction port, sucking air from the top suction port, and rotating the wind direction plate to heat from the blower outlet. The air after replacement is blown into the indoor space. When the operation is stopped, the open / close panel and the wind direction plate are rotated to their original positions, so that the appearance becomes a flat shape with no irregularities, and a design harmonizing with the indoor space can be obtained.

  In addition, when removing the filter mounted on the front panel, the opening / closing panel is provided with a handle in advance, and the opening / closing panel is opened upward by the handle so that the filter can be taken out from below.

  For example, Patent Literature 1 discloses a configuration in which a finger is placed on a handle knob provided on a side surface of an open / close panel and the open / close panel is opened. Further, there is disclosed a device in which a recess is provided in the front panel so that a part of the front panel and the open / close panel serves as a handle.

Japanese Patent Laying-Open No. 2005-069544

  However, the example described in Patent Document 1 has a problem in that the handle portion protrudes from the side surface, so that the handle portion becomes fully visible when viewed from the front, and the appearance is impaired. Further, when the opening / closing panel is provided with a recess and used as a handle, there is a problem that the aesthetic appearance is similarly impaired.

An object of the present invention is to provide an indoor unit of an air conditioner that makes a handle portion that opens a suction grille inconspicuous and does not impair the appearance.

In order to achieve the above object, an indoor unit of an air conditioner according to a first aspect of the present invention includes a front panel having a front inlet, an upper inlet and a lower outlet, and a heat exchanger and a blower fan inside. A main body comprising a casing, an open / close panel that opens and closes the front suction port of the front panel, and a drive mechanism for the open / close panel; when the open / close panel is closed, the open / close panel is housed in the open / close panel. A suction grill that opens and closes integrally with the open / close panel when attaching / detaching a filter that covers the front suction port and the upper surface suction port, and is provided on the outer wall of the front panel on the front side of the front wall of the front panel. the protruding portion protrudes into the provided, the protruding portion has a front end, an inner wall toward the front SL front wall, a first Taber portion between the inner wall and the front end, the opening and closing On the panel A side wall located inward and rearward from the side end surface of the front portion of the panel is erected, a seam is formed between the side wall of the open / close panel and the inner side wall of the front panel, and the lower end of the side wall of the suction grille Forming a handle portion extending so as to face the gap of the joint and enclosing a part of the side wall of the open / close panel, and forming a handle recess portion on a side surface of the handle portion, the open / close panel and the suction grille When the door is closed, a side end portion of the side end surface is overlapped with the first tapered portion of the front panel when viewed from the front of the open / close panel .

The invention according to claim 2 is the indoor unit of the air conditioner according to claim 1, wherein the front end portion of the handle portion of the suction grille and the side end portion of the open / close panel are the protruding portion of the front panel. It characterized that you positioned in front of the of the front end.

The invention according to claim 3 is the indoor unit of the air conditioner according to claim 1 or 2, wherein the side end portion of the open / close panel is flush with the side surface of the handle portion of the suction grille, or the It characterized that you have to protrude outside the wall direction of the front panel.

According to a fourth aspect of the present invention, in the indoor unit for an air conditioner according to the first, second, or third aspect, the back end portion of the handle portion of the suction grille and the first tapered portion of the front panel It characterized that you located on the rear side than the corner portion between the inner wall.

  According to a fifth aspect of the present invention, in the indoor unit for an air conditioner according to the first, second, third, or fourth aspect, the back end portion of the handle portion of the suction grill is the first taper of the front panel. It is located in the back | inner side rather than the corner | angular part between a part and the said inner side wall.

  According to the first aspect of the present invention, since the handle portion extending to face the gap of the joint and covering a part of the side wall of the opening / closing panel is formed on a part of the side end portion of the suction grill, When the operation is stopped with the panel closing the front surface of the front panel, the handle portion is located on the back side of the side wall of the open / close panel, and the handle portion becomes difficult to see and becomes inconspicuous. According to the second aspect of the present invention, the side end portion of the open / close panel overlaps with the first tapered portion of the front panel, so that it becomes difficult to see the back of the gap between the joints. According to the invention of claim 3, the front end portion of the handle portion of the suction grille and the side end portion of the open / close panel are located in front of the front end portion of the protruding portion of the front panel. The eye gap is hidden by the front panel. According to the invention of claim 4, since the side end portion of the open / close panel is flush with the side surface of the handle portion of the suction grille or toward the outer wall of the front panel, the entire handle portion is seen from the front. It will be hard to see. According to the fifth aspect of the present invention, the back end portion of the handle portion of the suction grill is located on the back side of the corner portion of the front panel. It becomes difficult.

It is a perspective view at the time of the operation stop of the indoor unit of the air conditioner of the present embodiment. It is a perspective view at the time of a driving | running of the indoor unit of the air conditioner of a present Example. It is a perspective view at the time of filter replacement of the indoor unit of the air conditioner of a present Example. It is a disassembled perspective view of the indoor unit of the air conditioner of a present Example. (a) is a partial end view taken along line AA in FIG. 1, (b) is a cross-sectional view taken along line BB in FIG. 1, and (c) is a view showing a state in which a handle portion is pulled out. It is explanatory drawing of engagement with the handle | grip part of a suction grill, and an opening-and-closing panel.

  1-4, 1 is an indoor unit, 10 is a front panel, 20 is a suction grille, 30 is an open / close panel, 40 is a filter, 50 is an open / close panel drive mechanism, 60 is a wind direction plate, and 70 is a casing. The front panel 10 includes a front suction port 12A on the front wall 11, a top suction port 12B on the upper surface, and a blower outlet 13 on the lower front surface. And the main body is comprised by the front panel 10 and the casing 70 provided with the heat exchanger and the ventilation fan inside. The open / close panel 30 is attached to the front portion of the front panel 10, and the open / close panel drive mechanism 50 opens and closes the front inlet 12 </ b> A. The open / close panel 30 and the wind direction plate 60 that opens and closes the air outlet 13 of the front panel 10 constitute an outer shell.

  When the operation is stopped, as shown in FIG. 1, the suction port 12 </ b> A is closed with the suction grill 20 and the open / close panel 30 overlapped, and the air outlet plate 13 is closed by the wind direction plate 60. The design will harmonize with the interior space. Further, during operation, as shown in FIG. 2, only the open / close panel 30 slides obliquely upward to open the suction port 12A of the front panel 10, and the wind direction plate 60 is rotated to open the air outlet 13. The air after heat exchange by the suction heat exchanger from the front suction port 12A and the upper surface suction port 12B is blown out from the blowout port 13 with the wind direction plate 60 controlled.

  The filter 40 is inserted along the opening of the front panel 10 and covers the back surfaces of the front suction port 12A and the upper suction port 12B. The filter 40 is to be removed and cleaned. When the filter is replaced, as shown in FIG. 3, the suction grill 20 and the opening / closing panel 30 are integrally rotated with the upper end as a fulcrum, It is possible to remove / attach the filter 40 mounted on the back surfaces of the suction port 12A and the upper surface suction port 12B.

  As shown in FIG. 4, an open / close panel drive mechanism 50 for driving the open / close panel 30 is provided on the back surface of the suction grill 20. The upper arm 51 of the open / close panel drive mechanism 50 is pivotally supported by a bearing (not shown) on the back surface of the open / close panel 30 through an opening 23 provided in the suction grill 20. One of the lower arms 52 of the open / close panel drive mechanism 50 is pivotally supported by the open / close panel 30 and the other by the suction grill 20. As the opening / closing panel 30 moves, the lower arm 52 also moves. Then, when the rotating shaft 54 is rotated by the rotation of the motor 53 and the upper arm 51 is rotated, the open / close panel 30 is moved upward with respect to the suction grille 20, and the state shown in FIG. At this time, since the opening / closing panel 30 is also pivotally supported by the lower arm 52, the lower part of the opening / closing panel 30 is regulated by the lower arm 52 and does not wobble.

  When the filter 40 is taken out, the left and right upper shafts 24 of the suction grill 20 are pivotally supported by the left and right bearings 18 of the front panel 10, and are lifted upward and rotated. At this time, since the open / close panel drive mechanism 50 is provided on the suction grill 20, the open / close panel 30 and the drive mechanism 50 also rotate together to be in the state shown in FIG.

  FIG. 5A shows a partial end surface taken along line AA in FIG. 1 (when operation is stopped), and shows the relationship between the front panel 10, the suction grill 20, and the open / close panel 30. FIG. 5B shows a partial end surface of line BB in FIG. 1 (when the operation is stopped), that is, an end surface of a handle portion for opening the suction grill 20 and the opening / closing panel 30 as shown in FIG. FIG. 6 (c) shows a state in which the handle portion is pulled out, and FIG. 6 shows an engagement relationship between the handle portion of the suction grill 20 and the open / close panel 30. FIG.

  The joint of the front panel 10, the suction grille 20, and the open / close panel 30 shown in FIG. The front panel 10 has a forward protruding portion 15 and a groove portion 16 formed in order from the outer wall 14 toward the inner side. The protruding portion 15 includes a front end portion 15a protruding forward (downward in FIG. 5A), a first tapered portion 15b facing the groove portion 16, and an inner wall 15c serving as one wall of the groove portion 16. . On the other hand, the open / close panel 30 is positioned inward of the side end surface 33 of the front surface portion 32 of the open / close panel 30 and has a side wall 31 extending in the back direction of the front panel 10 (upward in FIG. 5A). doing. The suction grill 20 also has a side wall 21 extending in the depth direction of the groove 16 by the same length as the side wall 31 of the open / close panel 30. A gap G is formed between the protruding portion 15 of the front panel 10 and the side wall 31 of the open / close panel 30 that forms a joint facing the front of the front panel 10 and the open / close panel 30.

  In the suction grill 20 shown in FIG. 6, a handle portion 22 having a U-shaped cross section is formed at the lower end of the side wall 21. On the outer wall surface of the handle portion 22, a handle recess portion 22a is formed. Further, between the concave portion 22b having a U-shaped cross section facing the front of the handle portion 22 shown in FIG. 5B (downward in FIG. 5B) and the front end portion 22c of the handle recess portion 22a, the front panel 10 is provided. A second taper portion 22d having an angle closer to the horizontal than the first taper portion 15b is formed. In addition, a third tapered portion 22e for hooking a finger is formed at the side end in front of the handle recess 22a (below in FIG. 5 (b)), which is substantially parallel to the first tapered portion 15a of the front panel 10. ing.

  The opening / closing panel 30 has a thin-walled portion 31 a so that a portion of the side wall 31 that contacts the handle portion 22 enters the concave portion 22 b of the U-shaped cross section of the handle portion 22 of the suction grill 20. A space S into which a finger can be inserted is formed between the first tapered portion 15 b of the front panel 10 and the third tapered portion 22 e of the suction grill 20. Further, a fourth taper portion 32b substantially parallel to the second taper portion 22d is formed between the side end portion 32a of the front surface portion 32 of the open / close panel 30 and the thin portion 31a. Further, the side end portion 32a protrudes in the direction of the protruding portion 15 of the front panel 10 from the front end portion 22c of the handle portion 22 of the suction grill 20, and in front view, the first tapered portion 15b of the front panel 10 Polymerized.

  Then, the handle portion 22 of the suction grill 20 is arranged in a part of the formed seam by the protruding portion 15 of the front panel 10 and the side wall 31 of the open / close panel 30, and the hand recess 22 a is the gap G of the seam. It is formed to extend so as to face.

  When replacing the filter, as shown in FIG. 5 (c), an index finger is inserted into the space S, and the third taper portion 22e of the handle portion 22 of the suction grill 20 is pulled forward, so that the suction grill 20 The second taper portion 22d pushes the third taper portion 32b of the open / close panel 30, and the suction grill 20 and the open / close panel 30 are pulled out integrally. As shown in FIG. Rotate upward.

In the indoor unit of the air conditioner of the present embodiment, as shown in FIG. 5 (b), the lower end of the side wall 21 of the suction grill 20 is extended so as to face the gap G of the joint, and the opening / closing panel 30 side. Since the handle portion 22 surrounding the thin portion 31 a of the wall 31 is formed, the handle portion 22 is deeper than the side wall 31 of the opening / closing panel 30 when the opening / closing panel 30 closes the front surface of the front panel 10 and the operation is stopped. The handle 22 becomes difficult to see and becomes inconspicuous. Further, the side end portion 32a of the front surface portion 32 of the open / close panel 30 is overlapped with the first tapered portion 15b of the front panel 10 when viewed from the front of the side end portion 32a indicated by the arrow B1, so Since the back of the gap G is difficult to see, and the side end portion 32a of the open / close panel 30 is flush with the front end portion 22c of the handle portion 22 of the suction grill 20 or in the direction of the side wall 14 of the front panel 10. The entire handle portion 22 is reliably hard to see. Further, since the side end portion 32a of the open / close panel 30 is located in front of the front end portion 15a of the protruding portion 15 of the front panel 10, the joint is formed by the open / close panel 30 when viewed obliquely from the front center indicated by the arrow B2. Hidden. Further, since the rear end portion 22f of the handle portion 22 of the suction grill 20 is located on the back side with respect to the corner portion 17 of the front panel 10, the handle portion 22 of the suction grill 20 is viewed from the front side obliquely indicated by the arrow B3. Since the front end of the protruding portion 15 of the front panel 10 overhangs, it is completely invisible from the side indicated by the arrow B4. Therefore, the indoor unit of the air conditioner of the present embodiment can ensure a design that is in harmony with the indoor space to be installed.

  In the embodiment described above, the side end portion of the suction grill 20 faces the gap G between the protruding portion 15 of the front panel 10 and the side wall 31 of the open / close panel 30 on the right front side of the indoor unit. Although the example in which the handle portion 22 is provided in a part of 21 has been described, the handle portion provided in the same seam on the left side of the front of the indoor unit is configured similarly. However, the structure is symmetrical with the right end portion.

10: Front panel, 11: Front wall, 12A: Front inlet, 12B: Upper inlet, 13: Lower outlet, 14: Outer wall, 15: Overhang, 15a: Front end, 15b: First taper 15c: inner wall, 16: groove, 17: corner, 18: bearing 20: suction grille, 21: sidewall, 22: handle, 22a: handle recess, 22b: recess, 22c: front end, 22d: second Taper part, 22e: third taper part, 22f: back end, 23: opening, 24: shaft 30: open / close panel, 31: side wall, 31a: thin part, 32: front part, 32a: side end part, 32b: 4th taper part, 33: Side end surface 40: Filter 50: Opening and closing panel drive mechanism, 51: Upper arm, 52: Lower arm, 53: Motor, 54: Rotating shaft 60: Wind direction plate 70: Casing

Claims (4)

A front panel having a front suction port, a top suction port and a lower blowout port, a main body comprising a casing having a heat exchanger and a blower fan inside, and an open / close panel for opening and closing the front suction port of the front panel And a drive mechanism for the open / close panel; when the open / close panel is closed, it is housed in the open / close panel, and when the filter covering the front suction port and the upper surface suction port is attached / detached, the open / close panel is integrated with the open / close panel A suction grill that opens and closes automatically,
Outside wall of the front panel, the protruding portion protrudes forward from the front wall of the front panel is provided, the protruding portion, said a front end, an inner wall toward the front SL front wall, said front end A first taber part between the inner wall and
In the open / close panel, a side wall positioned inward and rearward from the side end surface of the front part of the open / close panel is erected, and a seam is formed between the side wall of the open / close panel and the inner side wall of the front panel,
Formed on the lower end of the side wall of the suction grille so as to face the gap of the seam, and forms a handle portion that surrounds a part of the side wall of the open / close panel, and forms a handle recess on the side surface of the handle portion,
An air conditioner characterized in that when the open / close panel and the suction grille are closed, a side end portion of the side end surface overlaps with the first tapered portion of the front panel when viewed from the front of the open / close panel. Indoor unit of the machine. In the indoor unit of the air conditioner according to claim 1,
Wherein the end portion of the front end and the open-close panel of the finger receiving portion of the suction grill, the indoor unit of an air conditioner which is characterized that you positioned forward than the front end of the protruding portion of the front panel . The indoor unit of the air conditioner according to claim 1 or 2,
Wherein the end of the closing panel, the finger receiving portion said side flush or indoor unit of an air conditioner which is characterized that you have to protrude outside the wall direction of the front panel of the suction grille. In the indoor unit of the air conditioner according to claim 1, 2, or 3,
The inner end portion of the finger receiving portion of the suction grille, an air conditioner which is characterized that you located on the rear side than the corner portion between the inner wall and the first tapered portion of said front panel Indoor unit.

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