JPH0861690A - Decoration panel for air conditioner - Google Patents

Abstract

PURPOSE: To delete the number of components by providing the function of a heat insulator by forming a hollow layer, and to improve the assembling properties by unitizing the part of a diffuser and to reduce the cost. CONSTITUTION: A sealed hollow layer (air layer) 31 is hollow-molded at the periphery of the diffuser 4 of a decoration panel body 2. The heat insulating effect is provided by the layer 31 to eliminate the insulator which is heretofore used, and condensation due to the diffusing of cold air is prevented. When the layer 31 is hollow-molded, a guide rib 32 is integrally formed. The rib 32 is formed integrally along a longitudinal direction with the upper part of the layer 31. Thus, the rigidity of the section is simultaneously increased by the combination of the box shape of the layer 31 and the shape of the rib 32. Further, the weight can be also reduced by the rib 32 made of metal.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a decorative panel for a ceiling-embedded air conditioner.

[0002]

2. Description of the Related Art As conventional ceiling-embedded air conditioners of this type, there are, for example, JP-A-4-53116 and JP-A-4-283326. In these air conditioners, the main body of the air conditioner is installed behind the ceiling, and a decorative panel is attached to the lower surface of the main body of the air conditioner.
The periphery of the decorative panel is in contact with the lower surface of the ceiling.

FIG. 7 shows a state in which a decorative panel 51 is attached to the lower surface of the above-mentioned general ceiling-embedded air conditioner body. Reference numeral 52 is a ceiling. As is well known, the decorative panel 51 is provided with a suction port 53 and a blowout port 54, and the indoor air sucked from the suction port 53 is heat-exchanged in the main body of the air conditioner, so that cold air is blown from the blowout port 54. Alternatively, it is blown out as warm air. Reference numeral 55 is a horizontal blade that can swing.

FIG. 8 is an enlarged cross-sectional view of the portion A of FIG. 7 (cross-sectional view of the outer peripheral portion of the air outlet 54), showing a conventional decorative panel 51.
The structure of was as shown below. That is, the main body base 56 of the decorative panel 51 is made of synthetic resin, and its lower surface is formed as a decorative surface and its upper surface is formed as an uneven functional surface, and is usually formed by injection molding. The outlet 54 is provided on the upper surface of the main body base 56.
Insulation material 5 to prevent condensation when cold air is blown from the
7 are provided. A plurality of bosses 58 are integrally formed on the upper surface of the main body base 56, and a reinforcing guide sheet metal 59 having an L-shaped cross section is attached and fixed to the bosses 58 by screws 60. The reinforcing guide sheet metal 59 has a function of reinforcing the decorative panel 51 itself so that the decorative panel 51 can be attached at a proper position even if the air conditioner body is displaced from the ceiling opening. It is a thing. The reinforcing guide sheet metal 59 is formed in a long shape along the longitudinal direction of the decorative panel 51,
A heat insulating material 62 is also provided on the surface of the vertical piece 61. Further, on the upper surface side of the heat insulating material 57, a sealing material 63 that is in contact with the lower surface of the ceiling or the lower surface of the air conditioner body is provided. The white arrow in FIG. 8 indicates the air blown out from the air outlet 54.

FIG. 9 shows a sectional view of the air outlet 54.
A box-shaped side wall 64 surrounds the main body base 5 around the air outlet 54.
It is molded integrally with 6. In general, the outlet 54 is composed of a large number of vertical blades 65, a connecting body that collectively operates a large number of these vertical blades 65, one to two horizontal blades 66, and the like. In the prior art, vertical blades 65 are rotatably provided in rows between opposed pieces 67 on the upper portion of the side wall 64, and the vertical blades 65 are swingable by shafts 68 on both sides of the vertical blades 65. . Horizontal blades 66 are provided on the lower opening surface of the air outlet 54, and the shaft 6 is provided between the inner side surfaces of the air outlet 54.
The horizontal blade 66 is swingable by being bridged at 9. Further, a heat insulating material 70 for preventing dew condensation is arranged on the outer peripheral surface of the side wall 64 of the air outlet 54, and a heat insulating material 71 having a flocked surface for preventing dew condensation is also arranged on the inner surface of the side wall 64.

[0006]

In such a conventional example, as shown in FIG. 8, since the reinforcing guide sheet metal 59 for reinforcing and guiding is attached to the main body base 56, the weight of the decorative panel 51 increases. In addition, an additional heat insulating material 62 is required to cover the surface of the vertical piece 61 of the reinforcing guide sheet metal 59. Furthermore, since the blow-out port 54 and its vicinity are cooled by blow-off cold air, a large number of heat insulating materials 57, 70, 71 are attached to prevent dew condensation.

As shown in FIG. 9, the structure of the air outlet 54 is made up of a number of parts. When viewed from the assembly surface, the main body base 56 of the decorative panel 51 has a vertical blade 65.
The horizontal blades 66 are individually attached, which is not efficient in terms of the number of assembly steps and the line configuration.

The present invention has been made to solve the above-mentioned conventional drawbacks, and the main purpose thereof is to form a hollow layer to function as a heat insulating material to reduce the number of parts and to reduce the cost. An object is to provide a decorative panel for an air conditioner that can be designed.

[0009]

Therefore, the decorative panel of the air conditioner according to claim 1 is attached to the lower surface side of the air conditioner main body 30 installed in the back of the ceiling in a state where the periphery is in contact with the lower surface of the ceiling. In addition, in the decorative panel 1 for an air conditioner including the suction port 3 and the air outlet 4, the heat insulating portion provided around the air outlet 4 is formed as the hollow layer 31.

Further, in the decorative panel of the air conditioner according to claim 2, when the hollow layer 31 is formed, the guide rib 32 for positioning the decorative panel 1 when the decorative panel 1 is mounted on the air conditioner main body 30 is formed. It is characterized in that it is formed integrally with the forming portion of the hollow layer 31.

Further, the decorative panel of the air conditioner according to claim 3 is attached to the lower surface side of the air conditioner main body 30 installed on the back of the ceiling in a state where the periphery is in contact with the ceiling surface, and the suction port 3 and A blowout unit 16 having a decorative panel body 2 having a blowout port 4 and swingable vertical blades 19 and horizontal blades 24 previously attached to a blowout base 18 is formed, and the blowout unit 16 is used as the decorative panel body. 2 outlet 4
The hollow layer 37 is formed as a heat insulating portion between the outer side surface of the blowout unit 16 and the inner side surface 45 of the blowout port 4 when the blowout unit 16 is attached.

[0012]

In the decorative panel of the air conditioner according to claim 1,
The hollow layer 31 formed on the decorative panel 1 functions as a heat insulating material, and the hollow layer 31 can prevent dew condensation.

In the decorative panel for an air conditioner according to a second aspect of the present invention, the guide ribs 32 formed integrally when forming the hollow layer 31 also serve as reinforcement together with the member forming the hollow layer 31, and thus the cross-sectional rigidity is improved. It is possible to improve at the same time. Further, since the guide ribs 32 are integrally formed with the decorative panel 1, the conventional reinforcing guide sheet metal is not required, and the cost can be reduced by reducing the weight and the number of parts.

Further, in the decorative panel for an air conditioner according to a third aspect, the blowout unit 16 is provided in the decorative panel body 2.
When it is mounted on, the hollow layer 37 is formed between the outer side surface of the blowout unit 16 and the inner side surface 45 of the blowout port 4, so that a large number of conventionally used heat insulating materials for preventing dew condensation are unnecessary. Becomes Further, since the blowout unit 16 in which the blowout base 18 is preliminarily attached with the swingable vertical blades 19 and the horizontal blades 24 is formed, the portion of the blowout port 4 attached to the decorative panel body 2 is unitized, and the decorative panel body 2 Since it is only necessary to attach the blowout unit 16 to, the number of assembling steps can be reduced and the cost can be reduced accordingly.

[0015]

EXAMPLES Specific examples of decorative panels for air conditioners according to the present invention will now be described in detail with reference to the drawings. First, the overall structure of the decorative panel mounted on the lower surface of the air conditioner body will be described with reference to FIG. Since the structure of the main air conditioner body is applicable to any structure, the description thereof is omitted, and the structure on the decorative panel side, which is the gist, will be described in detail.

In FIG. 6 showing an exploded perspective view of the decorative panel 1, a decorative panel body 2 formed in a substantially flat plate shape is made of synthetic resin, and a suction port 3 is provided on one side and a blowing port is provided on the other side. The outlets 4 are each formed in a rectangular shape. A filter 5 for collecting dust is detachably attached to the suction port 3 and communicates with the suction port 3 to provide an opening 6 for service.
Is provided. A detachable service cover 7 is attached to the opening 6, so that the service cover 7 can be removed for maintenance or the like. A suction grill 8 is attached to the lower surface of the suction port 3, a rotary hinge 9 is inserted into the hole 10 from the upper surface of the decorative panel body 2, and the tip of the rotary hinge 9 is inserted into the holes 11 at both ends of the suction grill 8. Suction grille 8
Is freely pivotable. Further, on the other end side of the upper surface of the suction grille 8, three locking projections 12 each having a substantially L-shaped tip are integrally projected, and on the other hand, the decorative panel main body 2 is provided with a floating latch having an open lower surface. 13 is projected integrally. Then, the locking projection 12 of the suction grille 8 is attached to the above-mentioned protruding latch
The suction grille 8 is attached to the lower surface of the decorative panel body 2 by being inserted and locked from below. 1
Reference numerals 4 and 15 are left and right air outlet cover.

Next, the structure of the blowout unit 16 which is freely seated on the blowout port 4 of the decorative panel body 2 will be described. The detailed structure of the blowout unit 16 will be described later,
A brief description will be given here. Blow-out base 1 provided with a blow-out port portion 17 that is opened vertically in the central portion along the longitudinal direction
Reference numeral 8 is a synthetic resin formed in a substantially box shape. Blowing base 1
A large number of vertical blades 19 are swingably arranged in the air outlet portion 17 of No. 8, and shafts 20 are integrally provided on both sides of the vertical blades 19 so as to project laterally. Base 1
8 into the holes 22 formed in the side wall 12 of the vertical blades 19
Is mounted so that it can swing freely. Also vertical blade 1
The one shaft 20 of the blower 9 is connected to the connecting rod 23 by protruding from the side wall 21 of the blowout base 18, and by moving the connecting rod 23 in the longitudinal direction of the blowout base 18, a large number of vertical blades 1
It is possible to swing 9 in a linked state. Blowing base 1
The horizontal blades 24 are swingably mounted on the lower surface side of the air outlet portion 17 of FIG. 8, and the shafts 25 formed at both ends of the horizontal blades 24 are attached to the holes 2 of the side plate 26 of the outlet base 18.
It is inserted in 7. The output shaft of the swing motor 28 is inserted into the hole 27 and is connected to the shaft 25 of the horizontal blade 24 so that the swing motor 28 swings the horizontal blade 24.

Next, the gist of the present invention will be described in detail. 1 shows a sectional view taken along line AA of FIG. 6, and FIG. 2 shows B of FIG.
-B sectional drawing is shown. When forming the decorative panel body 2, a closed hollow layer (air layer) 31 is hollow-molded around the air outlet 4 as shown in FIGS. 1 and 2.
The hollow layer 31 has a heat insulating effect to eliminate the need for a conventionally used heat insulating material and prevent dew condensation caused by blowing cold air. The air outlet 4 is provided on both sides of the air outlet 4 in FIG.
1. A hollow layer 31 as shown in FIG. 1 is formed along the longitudinal direction of the air outlet 4, and a hollow layer 31 as shown in FIG. 2 is formed at both ends of the air outlet 4 along the lateral direction of the air outlet 4. Is what you are doing. Therefore, the conventionally used heat insulating material becomes unnecessary, so that the number of assembling steps can be reduced, the assemblability can be improved, and the cost can be reduced.

Further, as shown in FIG. 1, when the hollow layer 31 is hollow-molded, the guide ribs 32 are integrally formed.
The guide ribs 32 are formed on both sides of the decorative panel body 2 as shown in FIG. 6, and when the decorative panel 1 is attached to the air conditioner body 30 (see FIG. 3), the air conditioner body 30 is attached. Is a guide that allows the decorative panel 1 to be attached to a regular position even if it is displaced from the opening 34 of the ceiling 33, and corresponds to the conventional reinforcing guide sheet metal 59. The guide rib 32 is formed on the hollow layer 31.
By integrally forming the upper part of the hollow layer 31 along the longitudinal direction, it is possible to simultaneously increase the cross-sectional rigidity due to the combination of the box shape of the hollow layer 31 and the shape of the guide rib 32. Further, since the guide rib 32 is formed integrally with the decorative panel body 2, it is not necessary to cover the heat insulating material like the conventional metal reinforcing guide sheet metal 59, and the assemblability is improved and the cost is reduced. it can. Further, since the guide rib 32 is made of a rigid resin, it can be made lighter than the conventional reinforcing guide sheet metal 59, and the cost can be reduced.

FIG. 3 shows the decorative panel 1 with an air conditioner body 31.
Is attached to the lower surface side of the air conditioner, and a sealing material 35 is interposed between the air conditioner body 30 and the upper surface (inside the guide rib 32) of the decorative panel body 2, and the lower surface of the ceiling 33 and the decorative panel body. A seal material 36 is interposed between the upper surface of the second member 2 and the upper surface of the second member 2.

By the way, the air conditioner body 3 of the decorative panel 1
For mounting and fixing to 0, screws are temporarily fixed to the lower surface of the air conditioner main body 30 in advance, the above screws are inserted into the dharma holes formed in the decorative panel 1, and then the decorative panel 1 is moved laterally. Then, the decorative panel 1 is fixed to the air conditioner body 30 by screwing the screws. At this time, the sealing material 36 arranged around the upper surface of the decorative panel 1 is elastically contacted with the lower surface of the ceiling 33 to be sealed.

The hollow layer 31 may be formed only around the air outlet 4, or may be formed on other portions of the decorative panel body 2. In this case, it is possible to reduce the weight of the decorative panel main body 2 and further increase the rigidity due to the box shape of the hollow layer. In addition, the decorative panel body 2
When the hollow layer is formed as much as possible,
Since the weight can be reduced as described above, the mounting work at a high place can be facilitated and the risk can be reduced. Further, when the hollow layer is formed only around the air outlet 4, the thickness of the other decorative panel main body 2 is reduced within the range of predetermined rigidity to reduce the weight and height as in the above case. Can improve the safety of work at the same time and also reduce the cost.

Next, the blowing unit 16 will be described.
The blowout unit 16 is formed by previously assembling members surrounded by broken lines in FIG. 6, and the preassembled (sub-assembly) blowout unit 16 is attached to the blowout port 4 of the decorative panel body 2 from below. In this case, the hollow layer 37 is formed as described above (see FIG. 4).
FIG. 4 shows a state in which the blowout unit 16 is attached to the blowout port 4 of the decorative panel body 2, and FIG. 5 shows a side view of the blowout base 18 of the blowout unit 16. The shape of the blowing base 18 shown in FIG. 4 and the blowing base 18 shown in FIG.
Although the shape is slightly different from that of FIG. 5, the basic function is the same, and the shape in FIG. 5 is closer to the actual shape.

As shown in FIGS. 4 and 5, the side walls 21 on both sides of the blow-out base 18 of the blow-out unit 16 are formed in a slightly arcuate shape, and the lower portion is widened. Groove-shaped receiving portions 38 are formed on the upper portions of both side walls 21 over substantially the entire length in the longitudinal direction, and projecting pieces 40 that fit with the receiving portions 38 are provided on both sides of the outlet 4 of the decorative panel body 2. It is formed at the upper tip of 39. The projecting piece 40
Is also formed over substantially the entire length of the outlet 4 in the longitudinal direction. Tongue pieces 41 are formed on the outer surface of the lower portion of the side wall 21 of the blow-out base 18 over substantially the entire length in the longitudinal direction, and a recess 43 is formed between the tongue piece 41 and the lower piece 42 of the side wall 21.
Is formed. The sealing material 44 is placed in the recess 43.
Is embedded.

The blowing unit 16 is attached to the decorative panel body 2
In order to mount it on, the blowout unit 16 is inserted from below the blowout port 4 of the decorative panel main body 2, and the receiving portion 38 of the blowout unit 16 is inserted or press-fitted into the projecting piece 40 of the blowout port 4 to seal it. The lower portion of the blowout unit 16 is hermetically sealed by elastically contacting the outer surface of the sealing material 44 with the inner surface 45 of the wall body 39. As a result, a hollow layer 37, which is an air layer, is formed between the side wall 21 of the blowout unit 16 and the inner side surface 45 of the wall body 39 of the blowout port 4. Therefore, the conventionally used heat insulating material becomes unnecessary because the hollow layer 37 exhibiting the function of the heat insulating material is formed only by attaching the blowout unit 16 to the air outlet 4, and the assembling workability is improved, and
Cost can be reduced. Also blowout unit 1
Workability is improved even during service maintenance such as 6 part replacement. The outer surface (front surface) of the side wall 21 of the blowing unit 16 is flocked to prevent condensation. Further, this flocking process can be performed with the blowing base 18 alone.

[0026]

As described above, in the decorative panel for an air conditioner according to claim 1, the hollow layer formed on the decorative panel exerts the function of a heat insulating material, and particularly in the vicinity of the outlet, the cool air blown out. Also, the hollow layer can prevent dew condensation. Moreover, since the hollow layer serves as a heat insulating material, a large number of heat insulating materials that have been conventionally used are not required, and the assemblability can be improved and the cost can be reduced.

Further, in the decorative panel of the air conditioner according to the second aspect, the guide ribs integrally formed when forming the hollow layer also serve as reinforcement together with the member forming the hollow layer, and at the same time improve the cross-sectional rigidity. Can be planned. Further, since the guide ribs are integrally formed with the decorative panel, the conventional reinforcing guide sheet metal is not required, and the cost can be reduced by reducing the weight and the number of parts. Also, the number of assembling steps can be reduced, and the assembling property can be greatly improved.

Further, in the decorative panel of the air conditioner according to claim 3, when the blowout unit is attached to the blowout port of the decorative panel body, a hollow layer is provided between the outer surface of the blowout unit and the inner surface of the blowout port. Since it is formed, a large number of conventionally used heat insulating materials for preventing dew condensation are unnecessary. In addition, since the blowout unit is pre-installed with the swingable vertical blades and horizontal blades on the blowout base, the blowout port to be attached to the decorative panel body is unitized, and it is only necessary to attach the blowout unit to the decorative panel body. Because it is good, the assembly man-hour can be reduced,
The cost can be reduced accordingly. Moreover, since only the blowout unit needs to be replaced during service maintenance, workability can be greatly improved.

[Brief description of drawings]

1 is a sectional view taken along line AA of FIG. 6 showing an embodiment of the present invention.

FIG. 2 is a sectional view taken along line BB in FIG. 6 of the embodiment of the present invention.

FIG. 3 is a cross-sectional view of essential parts showing a state in which a decorative panel according to an embodiment of the present invention is attached to an air conditioner body.

FIG. 4 is a cross-sectional view showing a state in which the blowout unit of the embodiment of the present invention is attached to the blowout port of the decorative panel.

FIG. 5 is a side view of the blowing base of the blowing unit according to the embodiment of the present invention.

FIG. 6 is an exploded perspective view of the entire decorative panel according to the embodiment of the present invention.

FIG. 7 is a diagram showing a general configuration of a conventional decorative panel.

8 is an enlarged cross-sectional view of a portion A in FIG. 7 of a conventional example.

FIG. 9 is a cross-sectional view of an outlet of a conventional decorative panel.

[Explanation of symbols]

 1 Decorative panel 2 Decorative panel body 3 Suction port 4 Blow-out port 16 Blow-out unit 18 Blow-out base 19 Vertical blade 21 Side wall 24 Horizontal blade 30 Air conditioner body 31 Hollow layer 32 Guide rib 37 Hollow layer 45 Inner surface

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yama ▲ saki ▼ Toshihiro 2 at 1000 Otani, Okamoto Town, Kusatsu City, Shiga Prefecture Daikin Industry Co., Ltd. Shiga Works (72) Inventor Toshiyuki Imanaka Okamoto Town, Kusatsu City, Shiga Prefecture Daiji Kogyo Co., Ltd. 2 at 1000 Otani Daiga Kogyo Co., Ltd. (72) Inventor Kenji Sakuma Kasuga-cho, Nishikasugai-gun, Aichi Ochiai 1 Nagahata, Toyoda Gosei Co., Ltd.

Claims (3)

[Claims] 1. An air conditioner body (3) installed in the ceiling above.
In the decorative panel (1) for an air conditioner, which is attached to the lower surface side of (0) in a state where the periphery is in contact with the lower surface of the ceiling, and has a suction port (3) and a blowout port (4). A decorative panel for an air conditioner, characterized in that a heat insulating portion provided around the outlet (4) is formed as a hollow layer (31). 2. A guide rib (32) for positioning the decorative panel (1) when mounting the decorative panel (1) on the air conditioner main body (30), when the hollow layer (31) is formed. The decorative panel for an air conditioner according to claim 1, wherein the decorative panel is formed integrally with the forming portion of the hollow layer (31). 3. An air conditioner body (3) installed in the ceiling above.
0) is attached to the lower surface side in a state in which the periphery is in contact with the ceiling surface, and has a decorative panel body (2) having a suction port (3) and an air outlet (4), and is swingable. Vertical blade (1
9) and horizontal blades (24) are previously attached to the blow-out base (18) to form a blow-out unit (16), and the blow-out unit (16) is used for the blow-out port (4) of the decorative panel body (2).
And a hollow layer (37) as a heat insulating portion between the outer surface of the blowout unit (16) and the inner surface (45) of the blowout port (4) when the blowout unit (16) is attached. ) Is formed, the decorative panel of the air conditioner.