JP4215551B2 - Embedded ceiling air conditioner - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an improvement in the structure of a ceiling-embedded air conditioner.
[0002]
[Prior art]
A ceiling-embedded air conditioner is configured by attaching a ceiling panel to the lower surface of a box-shaped unit body that contains a heat exchanger, a fan, a fan motor, etc., and a suction port is provided at the center of the ceiling panel. An air outlet is formed around the suction port.
[0003]
In such a ceiling-embedded air conditioner, the unit main body is supported by suspension bolts suspended from the ceiling of a building and suspended from the ceiling. At this time, generally, the ceiling panel is fitted into the opening of the ceiling plate of the building, and the unit main body of the ceiling-embedded air conditioner is not visible from the outside.
[0004]
By the way, there is no ceiling board depending on the building, and the unit main body of the ceiling embedded type air conditioner suspended from the ceiling may be exposed to the outside. The unit body is a solid steel sheet with no paint on the outer surface, and the surface is affixed with heat insulating material. May be damaged.
[0005]
For this reason, for example, a reinforcing metal fitting for attaching a decorative plate is provided at the outer peripheral position of the back side (upper surface side) of the ceiling panel, and the decorative plate is fixed to the reinforcing metal and is erected. These standing decorative plates cover the outer periphery of the unit body so that the unit body is not exposed (for example, Patent Document 1).
[0006]
[Patent Literature]
Japanese Patent Laid-Open No. 11-257685
[0007]
[Problems to be solved by the invention]
However, since the decorative board as described above is firmly fixed to the ceiling panel, vibration and noise of the unit main body are likely to be transmitted and may leak to the outside. In addition, since the decorative plate is placed on the ceiling panel and its lower edge is fixed, if the decorative plate is distorted by external pressure or aging, the decorative plate and the hanging bolt or the side surface of the unit main body will come into contact with each other. There was a risk of generating.
[0008]
An object of the present invention is made in consideration of the above-mentioned circumstances, and a decorative member that makes it difficult to leak vibration and noise of the unit main body to the outside and has little risk of contact with the suspension bolt and the side surface of the unit main body. An object is to provide a ceiling-embedded air conditioner provided.
[0009]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the invention according to claim 1 is attached to a lower surface of a unit body supported by a suspension bolt suspended from the ceiling of a building and housing a heat exchanger and a fan. In a ceiling-embedded air conditioner comprising a ceiling panel having an inlet and an outlet and a plurality of plate-shaped decorative members disposed so as to cover the outer periphery of the unit body, the unit is a horizontally long plate. An abutting portion that abuts on the side plate of the main body and is attached to these side plates via a heat insulating and vibration isolating member, and an attaching portion that is provided at the left and right localization positions and is bent into a U-shaped convex shape and attaches each decorative plate. This plate-shaped decorative member is characterized in that ends thereof are coupled to each other.
[0010]
According to a second aspect of the present invention, in the ceiling-embedded air conditioner according to the first aspect, a plurality of screw holes that are selectively attached to the side plate of the unit body are provided in the abutment portion of the fixture. A screw hole for attaching a decorative member is provided in the attachment portion, and a fixing tool having the same shape is attached to each side plate of the unit body.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0014]
1 is a longitudinal sectional view showing a ceiling-embedded air conditioner according to an embodiment of the present invention, FIG. 2 is a plan view of FIG. 1, and FIG. 3 is a bottom view showing the ceiling panel of FIG.
[0015]
1 and 2, the ceiling-embedded air conditioner 1 includes a unit main body 2 and a ceiling panel 3, and is suspended and fixed from the ceiling of a building 4.
[0016]
The unit main body 2 has a box-shaped main body case 2A, and the main body case 2A has a top plate 5 and four side plates 6a, 6b, 6c, 6d. Inside the unit main body 2, a polystyrene foam heat insulator 7 is disposed in a state of being substantially in contact with the inner surfaces of the side plates 6 a, 6 b, 6 c, 6 d. A fan motor 8M is fixed to the central portion of the top plate 5, a turbo fan 8F is attached to the shaft of the motor 8M, and the heat exchanger 9 formed by being bent into a substantially rectangular shape so as to surround them is provided with the heat insulation. It is arranged inside the body 7. A drain pan 11 is disposed on the lower surface of the heat exchanger 9, and various components such as a reinforcing component (not shown) and a fan nozzle 12 are fixed to the drain pan 11 with screws.
[0017]
In FIG. 2, a partition plate 14 is provided between the tube plates 13 a and 13 b of the heat exchanger 9 as shown in FIG. 2, and a drain pump 15 is provided in an outer space partitioned by the partition plate 14. The drain pipe 16, the refrigerant pipes 17 and 18, the electrical box 21 and the like are accommodated. The drain pump 15 is connected to a drain pipe 16 and discharges the drain accumulated in the drain pan 11 to the outside. The refrigerant pipes 17 and 18 are so-called liquid pipes and gas pipes, respectively, and are connected to the heat exchanger 9 through an inter-unit pipe from an outdoor unit (not shown) to guide the refrigerant.
[0018]
For example, four suspension bolts 22 are suspended from the ceiling of the building 4, and four suspension fittings 23 connected to the side plates 6 a, 6 b, 6 c, and 6 d of the unit body 2 are attached to the suspension bolt 22. The unit body 2 is suspended from the ceiling of the building 4 after being fastened.
[0019]
Further, as shown in FIG. 3, the ceiling panel 3 is integrally fixed to the boss portions 24 formed at the four corners of the unit main body 2 using fastening means such as bolts. The ceiling panel 3 is of a four-way outlet type, and a suction port 25 is formed at the center position, and a total of four outlets 26 are formed around the suction port 25. The suction port 25 is provided with a suction grill 27 and an air filter 28, and the air filter 28 is placed on the suction grill 27 to purify the intake air.
[0020]
In the air conditioner 1 configured as described above, when the fan motor 8M in the unit main body 2 operates, the turbo fan 8F rotates, and the air in the room R is sucked from the suction port 25 through the suction grille 27, and the air After being cleaned by the filter 28 (see FIG. 1), it is sent to the heat exchanger 9, and is heat-exchanged by the heat exchanger 9, and then blown out into the room R from the four outlets 26.
[0021]
In this case, the indoor air sucked from the suction port 25 and subjected to heat exchange is in the vicinity of the drain pump 15, the drain pipe 16, the refrigerant pipes 17, 18, etc. due to the presence of the partition plate 14 located at the corner portion of the unit body 2. The air does not leak into the room R through the four air outlets 26.
[0022]
4 is a perspective view showing a state in which a decorative plate is attached to the ceiling-embedded air conditioner, FIG. 5 is a perspective view of a fixing bracket, and FIG. 6 is a longitudinal sectional view of FIG.
[0023]
4 to 6, in the air conditioner 1 described above, decorative plates 31, 32, 33, and 34 as decorative members are attached to the side plates 6 a to 6 d of the unit main body 2 using the fixing bracket 35 and the reinforcing bracket 36. It is attached. The decorative plates 31 to 34 form a quadrangular frame and cover the outer periphery of the side surface of the unit body 2. Note that the side plates 6a to 6d and the top plate 5 of the unit body 2 are generally made of steel plates that are not subjected to makeup such as painting.
[0024]
The fixing bracket 35 is a horizontally long metal plate, and comes into contact with the side plates 6a to 6d of the unit main body 2 and is attached to the side plates 6a to 6d. And mounting portions 35b to which the decorative plates 31 to 34 are attached. The mounting portions 35b have one screw hole e, and the contact portion 35a has six screw holes f and f.・ ・ Is provided. As the main body fixing screw holes f, f..., Any two of the six screw holes f, f are selected and used. This is because screw holes (not shown) provided in the side plates 6a to 6d are provided at different positions depending on the components arranged inside the unit main body 2. A heat insulating and vibration isolating material 37 that reduces vibration and heat conduction of the unit main body 2 is attached to the back surface of the contact portion 35a.
[0025]
The decorative plates 31 to 34 are rectangular plates in which the outer surface of a color steel plate or a solid steel plate is coated, and the vertical, horizontal, and height dimensions are slightly smaller than the vertical, horizontal, and height dimensions of the unit body 2. The lower side of the decorative plates 31 to 34 is attached at a distance from the back surface (upper surface) side of the ceiling panel 3.
[0026]
In addition, screw holes g are provided below the decorative plates 31 to 34 at positions corresponding to the screw holes e of the two attachment portions 35b of the fixing bracket 35, and are aligned with the screw holes e of the attachment portion 35b. These decorative plates 31 to 34 are fixed to the unit body 2 by attaching them.
[0027]
The left and right edge portions of the two facing decorative plates 31 and 33 among the decorative plates 31 to 34 are bent at right angles inside, and a plurality of screw holes h and h for screw tightening are formed in these bent pieces 41. Has been. In addition, a plurality of screw holes j, j through which screws are inserted are formed on the left and right edges of the other two decorative plates 32, 34 so as to correspond to the screw holes for screw tightening, and the mounting screws are inserted therethrough. The decorative plate 34 is connected to the decorative plates 31 and 33, and the decorative plate 32 is connected to the decorative plates 31 and 33 by fixing the screw holes j to the tightening screw holes h.
[0028]
The upper edges of the decorative plates 31 to 34 are bent at right angles to the inside, and two screw holes m and m for screw fastening are formed in the upper bent piece 43. And the reinforcement top board 36 is attached to the upper part of the decorative boards orthogonal through these screw holes m and m, respectively. Two screw holes n and n are formed at both ends of the reinforcing top plate 36, and the screw holes m and m of the decorative plate adjacent to these screw holes n and n are combined to be adjacent to the reinforcing top plate 36. It is fixed across two decorative boards. Thereby, the four decorative plates 31 to 34 are reinforced, and the square frame is kept in a good state.
[0029]
Of the four decorative plates 31 to 34, one decorative plate 31 is provided with U-shaped insertion ports 44 and 45 through which the drain pipe 16 and the refrigerant pipes 17 and 18 are inserted. After the decorative plate 31 is inserted through the pipes 16, 17, 18, a drain pipe sealing plate 46 and a refrigerant pipe sealing plate 47 that cover the empty portions of the insertion ports 44, 45 are attached with mounting screws. .
[0030]
In this way, the decorative plates 31 to 34 are fixed to the side plates 6a to 6d of the unit main body 2, and the decorative plates 31 to 34 cover the side plates 6a to 6d of the unit main body 2 so that the air conditioner 1 is moved downward. When viewed from above, the unit main body 2 is not exposed. Furthermore, since the decorative screws are used for the mounting screws for attaching the decorative plates 31 to 34, and the screw holes g and g of the decorative plates 31 to 34 are respectively provided at fixed positions, the aesthetics of the air conditioner 1 is improved. To do.
[0031]
Next, a procedure for assembling the decorative plate and the reinforcing top plate will be described.
[0032]
The above-described decorative plates 31 to 34 are assembled after the installation of the ceiling-embedded air conditioner 1 and the outdoor unit is completed. First, the fixing bracket 36 is attached to each of the four side plates 6a to 6d of the unit body 2 with decorative screws. Next, the decorative plates 31 to 34 corresponding to the side plates 6a to 6d are attached to the fixing bracket 36 with decorative screws, and both end portions of the two decorative plates 32 and 34 are connected to both end portions of the other two decorative plates 31 and 33. Attach with a decorative screw. The drain piping sealing plate 44 and the refrigerant piping sealing plate 45 are fixed to the decorative plate 31 with decorative screws. Then, the four reinforcing top plates 36 are attached between the decorative plates 31 to 34 orthogonal to each other by the decorative screws, and the assembly of the decorative plates 31 to 34 is completed.
[0033]
When these decorative plates are assembled to the side plate of the unit main body, the following effects are obtained.
[0034]
The decorative plates 31 to 34 of the ceiling-embedded air conditioner 1 are attached to the side plates 6a to 6d via the fixing bracket 35, respectively, and a heat insulating / vibration-proofing material 37 is provided on the portion of the fixing bracket 35 that contacts the side plates 6a to 6d. Since the vibration and sound from the unit body 2 are not easily transmitted to the decorative plates 31 to 34, the influence on the outside can be reduced. Moreover, since the heat from the unit main body 2 becomes difficult to be transmitted, the air conditioning capability can be sufficiently exhibited.
[0035]
Further, since the fixing bracket 35 is provided with a convex mounting portion 35b, the distance between the decorative plates 31 to 34 and the side plates 6a to 6d is maintained, and the suspension bolts 22 and 22.・ The risk of contact with can be reduced. Since the decorative plates 31 to 34 are fixed to the decorative plates 31 to 34 by screwing both ends of the adjacent decorative plates, and the upper side is fixed by the reinforcing top plate 36, the decorative plates 31 to 34 have a structure resistant to warping and distortion due to external pressure. Can do.
[0036]
Further, the decorative plates 31 to 34 of the present embodiment are not erected on the ceiling panel 3 like the conventional decorative plates 31 to 34, but are attached to the side plates 6a to 6d of the unit body 2, and the ceiling panel 3 Since a gap is provided between the ceiling panel 3 and the ceiling panel 3, a load is not applied to the ceiling panel 3, and warping and distortion of the ceiling panel 3 and durability of the boss portion 24 are improved.
[0037]
Further, when the ceiling panel is detached from the unit main body, there is no need to perform the work of removing the decorative panel (or, it is not necessary to remove the decorative panel from the unit main body while the decorative panel is attached to the ceiling panel). Can be made easier.
[0038]
As mentioned above, although this invention was demonstrated based on one Embodiment, this invention is not limited to this, It changes suitably within the range which does not deviate from a summary, and it implements.
[0039]
In the ceiling-embedded air conditioner, a plurality of types of units with the same vertical and horizontal dimensions, different height dimensions, and different air conditioning capabilities are designed. By designing according to a model having a high height, the decorative plates 31 to 34 can be used in common over a plurality of types of models, and the design can be saved.
[0040]
【The invention's effect】
As described above, according to the ceiling-embedded air conditioner according to the present invention, the decorative member is disposed so as to cover the outside of the unit body. Even when it is installed on the ceiling of a building in a state where it is exposed, its aesthetics can be improved.
[0041]
Also, it is a horizontally long plate that abuts against the side plate of the unit body and is attached to these side plates via heat insulating and vibration isolating members, and is bent into a U-shaped convex shape provided at the left and right stereotaxic positions. A fixing member having a mounting portion to which the decorative plate is attached. In the plate-shaped decorative member, end portions thereof are coupled to each other, and a plurality of selective attachments are attached to the side plate of the unit body at the contact portion of the fixing member. Since the screw hole is provided with a screw hole for attaching a decorative member to the attachment portion, and a fixing member having the same shape is attached to each side plate of the unit main body, vibration and noise from the unit main body can be reduced. At the same time, heat conduction between the unit main body and the outside of the machine can be reduced to reduce heat loss. Furthermore, the distance between the decorative member and the side plate of the unit main body is maintained, and the risk of contact with the suspension bolt due to distortion of the decorative member can be reduced, and stable installation can be achieved.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view showing a ceiling-embedded air conditioner according to an embodiment of the present invention.
FIG. 2 is a plan view of the ceiling-embedded air conditioner of FIG.
3 is a bottom view showing a ceiling panel of the ceiling-embedded air conditioner of FIG. 1. FIG.
FIG. 4 is a perspective view showing a state in which a decorative board is attached to the ceiling-embedded air conditioner.
FIG. 5 is a perspective view of a mounting bracket.
6 is a longitudinal sectional view of FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Ceiling embedded type air conditioner 2 Unit main body 3 Ceiling panel 4 Building 5 Top plate 6a, 6b, 6c, 6d Side plate 8F Fan 8M Fan motor 9 Heat exchanger 16 Drain piping 17, 18 Refrigerant piping 22 Hanging bolt 23 Hanging Metal fitting 25 Inlet 26 Outlet 31, 32, 33, 34 Decorative plate (decorative member)
35 Fixing bracket (fixing tool)
35a Contact part 35b Mounting part 36 Reinforcement top plate (reinforcement member)
37 Heat insulation / vibration-proof materials (heat insulation / vibration-proof materials)
41 Folded piece 43 Upper bent piece 46 Drain piping sealing plate 47 Refrigerant piping sealing plate e, f Screw holes g, h, j, m of fixing bracket Screw hole of decorative plate n Screw hole of reinforcing top plate

Claims (2)

A unit main body that is supported by suspension bolts suspended from the ceiling of the building and accommodates a heat exchanger and a fan, a ceiling panel that is attached to the lower surface of the unit main body and has an inlet and an outlet, and covers the outer periphery of the unit main body In a ceiling-embedded air conditioner having a plurality of plate-shaped decorative members arranged in the manner described above, these side plates are laterally long plates that come into contact with the side plates of the unit main body via the heat insulating and vibration-proofing members. A fixture having an abutting portion attached to the right and left stereotaxic positions and a fitting portion that is bent into a U-shaped convex shape and is attached to each decorative plate. In this plate-shaped decorative member, an end portion thereof is provided. A ceiling-embedded air conditioner characterized by being coupled to each other. A plurality of screw holes for selectively attaching to the side plate of the unit main body are provided in the abutting portion of the fixing tool, and screw holes for attaching a decorative member are provided in the mounting portion of the fixing tool, respectively, on each side plate of the unit main body. 2. The ceiling-embedded air conditioner according to claim 1, wherein a fixture having the same shape is attached.

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