JP2009068792A - Indoor unit for air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an indoor unit for an air conditioner having an opening and closing device of a front panel by simple structure, and preventing malfunction. <P>SOLUTION: A retaining plate 10c protruding in an opposite direction to a shaft 10b is provided on a second support plate 10 in a neighbor hood of a front face frame side shaft 10b, a retaining wall 2c in parallel with a bearing part 2b for attaching the second support plate 10 is installed on a front face frame 2, and the retaining wall 2c is provided such that a distance L2 from the bearing part 2b to the retaining wall 2c is shorter than a distance L1 from a shaft 10b tip to a tip of the support plate 10c. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an indoor unit of an air conditioner.

  As an indoor unit of a conventional air conditioner, a blowing grill is provided on the lower side of the front, a front panel for opening and closing an air suction port is provided above the blowing grill, and the front panel is installed by an opening / closing device built in the main body. There was one that opened and closed (see, for example, Patent Document 1).

  2 and 3 are a perspective view and a cross-sectional view, respectively, of an indoor unit of a conventional air conditioner described in Patent Document 1, and FIGS. 4 and 5 are open / close devices during operation of the indoor unit, respectively. FIG.

  As shown in FIGS. 2 to 5, the front panel 3 is connected to the front frame 2 of the indoor unit 1 having the heat exchanger 4, the blower fan 5, the blowout grill 6 and the wind direction changing blades 7 via a pair of left and right opening / closing devices 8. Attached.

  The opening / closing device 8 has a front panel side shaft 9a and a front frame side shaft 9b that are rotatably supported by a bearing portion 2a provided at one end on the front frame 2 and a bearing portion 3a provided at the other end on the front panel 3, respectively. A first support plate 9 provided with a groove-shaped or long-hole bearing portion 2b provided at one end on the front frame 2 and a groove-shaped or long-hole bearing portion 3b provided at the other end on the front panel 3. Each of the second support plate 10 includes a front panel side shaft 10a and a front frame side shaft 10b that are rotatably and slidably mounted, and the first support plate 9 and the second support plate 10 are substantially the same. The shaft 11 is rotatably connected at the center.

  The first support plate 9 is coupled to the gear 12a so as to rotate integrally, and is driven by the driving device 12 through the gear 12b.

The front panel 3 can be moved forward by the drive device 12 during operation to secure an air suction port, and can be brought into close contact with the front frame 2 when operation is stopped.
JP 2005-147618 A

  However, in the conventional configuration, in order to maintain the operation of the opening / closing device, each shaft needs to be rotatably or rotatably and slidably supported by the bearing portion. It is formed by a bifurcated arm portion 9c and split shafts 9aa and 9ab provided on the arm portion 9c, and the arm portion 9c is elastically bent so that a gap is generated between the split shafts 9aa and 9ab to be installed on the bearing portion 3a. In some cases, the structure is sandwiched between.

  The rotating front panel side shaft 9a, the front frame side shaft 9b, and the front panel side shaft 10a having a short sliding distance can be configured to sandwich the bearing portions 2a, 3a and 3b from the left and right, respectively. The front frame side shaft 10b having a long distance and a large amount of rotation cannot take the same configuration because the bearing portion 2b becomes large and interferes with the arm portion, so that it is necessary to provide a separate fixture or the like, and the assembly is complicated. However, it has a problem that costs are high.

  The present invention solves the above-described conventional problems, and an object thereof is to provide an air conditioner that can hold a front panel opening / closing device with a simple structure and prevent malfunction.

  In order to solve the conventional problem, the air conditioner of the present invention is provided with a holding plate that protrudes in the direction opposite to the shaft in the vicinity of the shaft portion on the front frame side of the second support plate in addition to the conventional opening and closing device, A holding wall is installed in parallel with the bearing portion to which the second support plate provided on the front frame is attached, and the distance from the bearing portion to the holding wall is shorter than the distance from the shaft tip to the tip of the holding plate. Are arranged.

  Thereby, the indoor unit of the air conditioner can hold the front panel opening / closing device with a simple structure and prevent malfunction.

  According to the indoor unit of the air conditioner of the present invention, it is possible to prevent the malfunction by holding the front panel opening and closing device with a simple structure, and it is possible to provide a better quality air conditioner at low cost. .

  The present invention relates to an indoor unit of an air conditioner having a heat exchanger, a blower fan, a blow grill, and the like, wherein a front frame provided on the front surface of the indoor unit and a front panel are connected by a pair of opening / closing devices, and the opening / closing device A first support plate having a shaft rotatably supported by a bearing portion having one end provided on the front frame and a shaft rotatably supported by a bearing portion provided on the front panel by the other end. A second support plate having a shaft that is pivotally and slidably attached to a groove-shaped or long-hole-shaped bearing portion provided on the front panel at the other end thereof. Are pivotally supported in a substantially central portion so as to be rotatable.

  Further, a holding plate protruding in the direction opposite to the axis is provided near the front frame side shaft portion of the second support plate, and a holding wall is installed in parallel with the bearing portion of the second support plate provided on the front frame. In addition, the distance from the bearing portion to the holding wall is shorter than the distance from the shaft tip to the tip of the holding plate.

  Accordingly, it is possible to provide an indoor unit of an air conditioner in which a shaft of an opening / closing device is rotatably and slidably held by a bearing portion and holds the opening / closing device of the front panel with a simple structure to prevent malfunction. it can.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment)
FIG. 1 is a front view of an opening / closing device for an indoor unit of an air conditioner according to an embodiment of the present invention. In FIG. 1, the same components as those in FIGS. 2 to 5 of the prior art are denoted by the same reference numerals, and the description thereof is omitted.

  In FIG. 1, the second support plate 10 is provided with a holding plate 10 c that protrudes in the direction opposite to the shaft 10 b in the vicinity of the front frame side shaft 10 b, and the front frame 2 has a bearing portion 2 b that attaches the second support plate 10. In parallel, the holding wall 2c is installed, and the holding wall 2c is arranged so that the distance L2 from the bearing portion 2b to the holding wall 2c is shorter than the distance L1 from the tip of the shaft 10b to the tip of the holding plate 10c.

  About the indoor unit of the air conditioner comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  First, when the shaft 10b of the second support plate 10 is inserted and installed in the bearing portion 2b of the front frame 2, the distance from the bearing portion 2b to the holding wall 2c rather than the distance L1 from the tip of the shaft 10b to the tip of the holding plate 10c. Since L2 is short and cannot be installed as it is, the bearing portion 2b is bent to temporarily set the distance L2 to the distance L1 or more and insert the shaft 10b.

  As a result, the second support plate 10 is pivotally and slidably attached to the bearing portion 2b and is not easily detached, and the opening / closing device 8 of the front panel 2 can be held to prevent malfunction.

  As described above, in the present embodiment, in an indoor unit of an air conditioner that includes a heat exchanger, a blower fan, a blowout grill, and the like, a pair of opening and closing a front frame and a front panel provided in front of the indoor unit A first support plate having a shaft that is pivotally supported by a bearing portion provided at one end of the opening / closing device and a bearing portion provided at the other end of the front panel. A shaft that is pivotally and slidably attached to a groove-like or long-hole-shaped bearing portion provided at one end of the front frame and a groove-like or long-hole-shaped bearing portion provided to the front panel. And a second support plate provided with a pivotally supported at a substantially central portion.

  Further, a holding plate protruding in the direction opposite to the axis is provided near the front frame side shaft portion of the second support plate, and a holding wall is installed in parallel with the bearing portion of the second support plate provided on the front frame. In addition, the distance from the bearing portion to the holding wall is shorter than the distance from the shaft tip to the tip of the holding plate.

  Accordingly, the opening / closing device of the front panel can be held with a simple structure to prevent malfunction, and a higher quality indoor unit of an air conditioner can be provided at low cost.

  As described above, the indoor unit of the air conditioner according to the present invention can prevent a malfunction by holding the front panel opening / closing device with a simple structure. It can be applied to other uses.

The front view of the opening / closing apparatus of the indoor unit of the air conditioner in the embodiment of the present invention The perspective view of the indoor unit of the conventional air conditioner Cross-sectional view of an indoor unit of a conventional air conditioner Enlarged view showing the switchgear during operation of a conventional air conditioner indoor unit The perspective view which shows the opening / closing apparatus at the time of the operation | movement of the indoor unit of the conventional air conditioner

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Indoor unit 2 Front frame 2a Bearing part 2b Bearing part 2c Holding wall 3 Front panel 3a Bearing part 3b Bearing part 4 Heat exchanger 5 Blower fan 6 Outlet grill 7 Wind direction change blade 8 Opening / closing device 9 First support plate 9a Shaft 9b Shaft 9c Arm portion 9aa, 9ab Split shaft 10 Second support plate 10a Shaft 10b Shaft 10c Holding plate 11 Shaft L1 Distance from shaft 10b tip to tip of holding plate 10c L2 Distance from bearing portion 2b to holding wall 2c

Claims (1)

In an indoor unit of an air conditioner having a heat exchanger, a blower fan, a blow grill, etc., a front frame and a front panel provided on the front surface of the indoor unit are connected by a pair of opening and closing devices, and the opening and closing device has one end A first support plate having a shaft rotatably supported on a bearing portion provided on the front panel and the other end on a bearing portion provided on the front frame and a groove shape provided on the front frame with one end A second support plate having a shaft that is rotatably and slidably attached to a groove-shaped or long-hole-shaped bearing portion provided at the other end of the long-hole bearing portion on the front panel. A holding plate that protrudes in the direction opposite to the shaft is provided near the front frame side shaft portion of the second support plate, and the second support plate is provided on the front frame. A holding wall is installed in parallel with the bearing part of the support plate and the front end of the shaft Indoor unit of the distance from the bearing portion than the distance to the tip of the holding plate to the retaining wall is constructed by arranging to be shorter air conditioner.