JP2007263501A - Ceiling cassette type air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ceiling cassette type air conditioner capable of easily and accurately positioning decorative panels even when the decorative panels are respectively disposed on each of indoor units. <P>SOLUTION: A supporting member 93 is disposed between unit components 5, 5, the separate decorative panels 71 having supply openings 75 at four sides are disposed on each of the unit components 5, 5, and the supporting member 93 is provided with a first control portion 105 for controlling the displacement in the thickness direction of the decorative panels 71, 71, and a second control portion 106 for controlling the displacement in the width direction. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a ceiling cassette type air conditioner arranged on a ceiling.

In general, a ceiling cassette type air conditioner installed on a ceiling is known. In recent years, in this type of ceiling cassette type air conditioner, the capacity of the unit has been increasing. However, if a large-capacity unit is newly developed, new parts such as a heat exchanger and a fan are required, which leads to a long development period and complicated parts management when producing various types of units. There is.
For this reason, the applicant has proposed a ceiling cassette type air conditioner in which a large capacity of the unit is achieved with a simple configuration by connecting a plurality of existing ceiling-suspended indoor units having a small capacity (for example, Patent Document 1).
JP-A-11-141968

By the way, this kind of ceiling cassette type air conditioner includes a decorative panel that is exposed below the indoor unit and arranged on the ceiling. Since this decorative panel is required to have design properties, in the conventional configuration, the decorative panel is integrally formed in accordance with the size of the connected indoor units.
However, when the decorative panel is integrally formed in accordance with the size of the connected indoor unit, it is necessary to create a new mold for the decorative panel, which increases the development cost. It was.
In order to solve this problem, it is conceivable to reduce the development cost by arranging parts in common in each indoor unit to share parts.
However, when a decorative panel is disposed in each indoor unit, the decorative panel is attached in a state where the indoor unit is suspended from the ceiling. Therefore, it is difficult to accurately arrange the decorative panels side by side.

  Therefore, an object of the present invention is to solve the above-described problems of the prior art, and even when a decorative panel is arranged in each indoor unit, the decorative panel can be positioned easily and accurately. The object is to provide a ceiling cassette type air conditioner.

In order to solve the above problems, the present invention provides a ceiling cassette type air conditioner in which a plurality of ceiling-suspended indoor units are arranged side by side, and these indoor units are connected and integrated by a plurality of connecting members extending vertically and horizontally. A support member is disposed between the indoor units, and separate decorative panels having air outlets on four sides are disposed in each of the indoor units, and displacement in the thickness direction of the decorative panels is regulated on the support member. And a second restricting portion for restricting displacement in the width direction.
According to this configuration, even when a decorative panel is disposed in each indoor unit, positioning of the decorative panel can be performed easily and accurately by restricting the displacement in the thickness direction and the width direction of the decorative panel. Can do. Therefore, these decorative panels can be mounted side by side accurately, and as a result, the appearance of the decorative panel mounted on the ceiling surface can be improved.

  In this case, the first restricting portion is attached to the support member and protrudes to the panel surface side of the decorative panel through the side edge portions of the adjacent decorative panels, and an end portion of the support metal It is good also as a structure provided with the panel holding | suppressing member connected so that it might span across between the blower outlets which each decorative panel opposes. In addition, the decorative panel includes openings at four corners that allow the hanging metal fittings to face, and the second restricting portion comes into contact with a side edge portion of the opening when the second restricting portion is attached to the support member. It is good also as a structure provided with a contact part. Further, a piping space in which refrigerant piping and drain piping of each indoor unit are collected is provided between the indoor units, and the support member may be a cover member that extends over the piping space.

  According to the present invention, even when a decorative panel is arranged in each indoor unit, the decorative panel can be positioned easily and accurately by restricting the displacement in the thickness direction and the width direction of the decorative panel. Can do. Therefore, these decorative panels can be mounted side by side accurately, and as a result, the appearance of the decorative panel mounted on the ceiling surface can be improved.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a perspective view showing a ceiling cassette type air conditioner according to the present embodiment. In FIG. 1, reference numeral 1 denotes a ceiling cassette type air conditioner 1 having a large capacity (for example, 10 horsepower). This ceiling cassette type air conditioner 1 has two unit components 5 (5 horsepowers in this configuration), which can operate independently as a ceiling-suspended indoor unit, arranged side by side. Are connected.

A decorative panel 71 is attached to the lower surface of each unit component 5. The decorative panel 71 is the same as that attached when the unit component 5 is used alone, and a suction port 73 is formed at a position corresponding to the suction port of the unit component 5. The suction grill 76 on which the air filter is placed on the upper surface is detachably attached. Further, an air outlet 75 is formed around the inlet 73 at a position corresponding to the air outlet of the unit structure 5 along the four sides of the decorative panel 71.
In the present embodiment, center panels 72 and 72 for connecting the decorative panels 71 and 71 are attached to the connecting portions of the decorative panels 71 and 71 arranged side by side. Of 75, the air outlet (not shown) located at the center is closed so that conditioned air is not blown into the indoor space.
Moreover, the ceiling cassette type air conditioner 1 is a pipe that accommodates the refrigerant pipe (liquid pipe 81, gas pipe 83) and the drain pipe 87 led out from the unit structural body 5 between the unit structural bodies 5 and 5. A storage part (pipe space) 90 is provided. In the pipe storage section 90, control wiring and power supply wiring (both not shown) connected to the unit structural bodies 5 and 5 are stored.

  As shown in FIG. 2, each unit component 5 includes a casing 11. In the casing 11, a blower including a fan motor (not shown) and a turbo fan 26, and a substantially rectangular shape surrounding the blower. A heat exchanger 38 formed by bending into an electric box and an electrical box 36 (see FIG. 3) are accommodated. In the heat exchanger 38, the tube plates 49 are separated from each other by the partition plate 28, and the drain pump 30 is accommodated in a space 56 outside the heat exchanger 38 partitioned by the partition plate 28. A drain pan (not shown) is disposed on the lower surface of the heat exchanger 38 and drain water dripped from the heat exchanger 38 is stored. The drain water collected in the drain pan is discharged from the drain outlet 32 formed on the one side surface 11 </ b> A of the casing 11 by driving the drain pump 30. Further, a liquid pipe connection port 34 and a gas pipe connection port 35 connected to the heat exchanger 38 are formed on one side surface 11A of the casing 11.

  Suspension fittings (first suspension fittings) 44 are secured to the four corners of the casing 11 of each unit component 5. When the unit structure 5 is used alone as a ceiling-suspended indoor unit, the hanging metal fitting 44 is hooked on a suspension bolt (not shown) from the ceiling to install the unit structure 5 on the ceiling. Used for.

FIG. 3 is an exploded perspective view showing the pipe storage unit 90. FIG. 3 is also a diagram showing an assembly (connection) procedure of the ceiling cassette type air conditioner 1. When the ceiling cassette type air conditioner 1 is assembled in a factory or the like, the ceiling cassette type air conditioner 1 is assembled. It is performed with the air outlet and the suction port facing upward, with the top and bottom facing away from when the air is suspended. For this reason, FIG. 3 shows a state in which the top and bottom of FIG. 1 are reversed.
When connecting the two unit structural bodies 5 and 5, each unit structural body 5 has one side surface 11 </ b> A of the casing 11 in which the drain drain port 32, the liquid pipe connection port 34 and the gas pipe connection port 35 are formed. Arranged to face each other. As shown in FIG. 3, a pipe storage unit 90 is formed between the unit structural bodies 5 and 5. The pipe storage unit 90 includes a flat ceiling plate member (ceiling side member) 50, A pipe support base (positioning member) 51 attached to the ceiling plate member 50 is disposed, and a liquid pipe 81 and a gas pipe 83 are supported on the pipe support base 51.

The ceiling board member 50 is formed in a bent portion 50A formed by bending both edge portions thereof, and in the vicinity of the bent portion 50A, and is screwed to each opposing surface (that is, one side surface of the casing 11) 11A of each unit component 5. The connecting piece 50 </ b> B is fixed to the ceiling plate member 50, and a locking portion 50 </ b> C for screwing the pipe support base 51 is provided.
The distance L1 between the bent portions 50A and 50A is set to be approximately the same as the distance W of one side of the unit structural body 5, and these bent portions 50A are connected to the unit structural bodies 5 and 5 when they are connected. The displacement in the width direction (X direction in the figure) of the structural bodies 5 and 5 is restricted, and positioning in the width direction can be performed easily and accurately. Further, the connecting piece 50B is formed by cutting and raising a part of the ceiling plate member 50.

The pipe support base 51 includes a side plate 51A formed by bending both ends of a substrate, and two pipe support portions 51B and 51C having different heights are formed on the side plate 51A. In this configuration, the pipe support base 51 supports the liquid pipe 81 and the gas pipe 83 that are collectively arranged in the pipe storage unit 90 and regulates the interval between the side-by-side unit structural bodies 5 and 5. That is, the side plate 51A of the pipe support base 51 includes a side end (abutment end) 51A1 that abuts against each facing surface 11A of the unit structural bodies 5 and 5 that are arranged side by side. By abutting 11A, the interval between the unit structural bodies 5 and 5 arranged side by side can be regulated, and positioning of the unit structural bodies 5 and 5 in the length direction (Y direction in the figure) can be performed easily and easily. It can be done accurately.
The width L2 of the pipe support base 51 is the optimum distance between the units when connecting the unit structural bodies 5 and 5, specifically, the decorative panels 71 and 71 attached to these unit structural bodies 5 and 5. The distance is set such that each side edge portion can be disposed in a state where the side edge portions are substantially in contact with each other.

  When positioning the unit components 5, 5, the pipe support 51 is screwed to the locking portion 50 </ b> C of the ceiling plate member 50, and the unit components are aligned between the bent portions 50 </ b> A of the ceiling plate member 50. 5 and 5 are placed on the ceiling board member 50. Next, the unit structural bodies 5 and 5 are slid in the length direction (Y direction in the figure) until the opposing surfaces 11A of the unit structural bodies 5 and 5 are in contact with the side ends 51A1 of the pipe support base 51, respectively. Then, the unit components 5 and 5 are positioned by screwing the connecting piece 50B to the facing surface 11A in a state where the facing surface 11A is in contact with the side end 51A1.

  A gas pipe 83 is supported by a pipe support part 51 </ b> B formed at a low position of the pipe support base 51. This gas pipe 83 is branched into two by cheese 83A, and a flare nut 83B is formed at the end thereof. These flare nuts 83 </ b> B are connected to the gas pipe connection port 35 of each unit component 5. In this configuration, since the gas pipe 83 is branched inside the pipe housing portion 90, each branched pipe does not protrude outside the casing 11 of each unit structure 5, and the unit structure 5 It is possible to prevent the outer dimensions from becoming large. A liquid pipe 81 is supported on a pipe support 51 </ b> C formed at a high position of the pipe support base 51. The liquid pipe 81 is branched into two by the cheese 81A, and a flare nut 81B is formed at the end thereof. These flare nuts 81 </ b> B are connected to the liquid pipe connection port 34 of each unit component 5. In this configuration, since the liquid pipe 81 is branched inside the pipe housing portion 90, each branched pipe does not protrude outside the casing 11 of each unit component 5, and the unit component 5 It is possible to prevent the outer dimensions from becoming large.

In this configuration, the gas pipe 83 is arranged at the approximate center in the height direction of the pipe housing portion 90, and the liquid pipe 81 is arranged above the gas pipe 83 (downward when suspended). According to this, when the refrigerant pipes 81 and 83 are connected to the inter-unit pipes by welding, the liquid pipe 81 with a narrow pipe diameter is positioned on the near side, and therefore, all the gas pipes 83 are hidden by the liquid pipe 81. And the welding operation can be easily performed. Further, even when the gas pipe 83 having a large pipe diameter is welded, since the gas pipe 83 is disposed at the approximate center of the pipe housing portion 90, a wide working space during welding can be secured. The welding operation can be performed more easily.
A drain pipe 87 is connected to each drain discharge port 32 so that drain water can be discharged to the outside. In this configuration, the drain pipe 87 is led from both the front and rear of the pipe housing part 90, but the front or rear through the circular opening 51 </ b> D formed in the side plate 51 </ b> A of the pipe support base 51. It is good also as a structure derived from any one of these.

Next, the connection structure of the unit structural bodies 5 and 5 will be described.
The unit structural bodies 5 and 5 are connected by using suspension metal fittings (first suspension metal fittings) 44 provided at the four corners of the unit structural body 5. As shown in FIG. 4, a connecting piece 55 is arranged on the hanging metal piece 44 </ b> A in the position facing each other in a state where the unit structural bodies 5, 5 are arranged side by side. And the suspension fitting 44A are connected via bolts and nuts. In this configuration, by connecting the connecting piece 55 and the suspension bracket 44A, the displacement between the unit structural bodies 5 and 5 is prevented, and the positioning of the unit structural bodies 5 and 5 is completed.
The connecting piece 55 is an L-shaped angle member provided with a bottom plate 55A and a side plate 55B. As shown in FIGS. 4 and 5, the bottom surface 55A of the connecting piece 55 has a claw portion 45A of the hanging bracket 44A. Are inserted, and a hole 57 for connecting to the suspension fitting 44A via a bolt and a nut is formed. On the other hand, the side plate 55B of the connecting piece 55 has a recess 58 for temporarily fixing a first connecting member 61, which will be described later, to the connecting piece 55, and the first connecting member 61 to the connecting piece 55 via bolts and nuts. And a hole 59 for fixing.

  On the other hand, as shown in FIG. 6, flange members (second suspension brackets) 60 are fixed to the four suspension brackets 44B located at the outer four corners of the unit structural bodies 5 and 5, respectively. Are connected by a first connecting member 61 and a second connecting member 62 extending vertically and horizontally to form a frame 63, and the frame 63 surrounds the periphery of the unit components 5 and 5. In this configuration, the flange member 60 is disposed so as to fit within the four corners of the frame 63 framed by the first connecting member 61 and the second connecting member 62. For this reason, when each unit structure 5 and 5 is connected, the frame 63 does not protrude outward greatly, and the external dimensions of the ceiling cassette type air conditioner 1 can be reduced.

  As shown in FIG. 7, the flange member 60 is provided with a substantially triangular base 60A. In this base 60A, a groove 64 into which the claw portion 45B of the suspension fitting 44B is inserted, and the flange member 60 are suspended. A hole 65 (FIG. 6) for connecting to the metal fitting 44B via a bolt 101 and a nut (not shown) is formed. In addition, a suspension hole 66 for suspending the ceiling cassette type air conditioner 1 from the ceiling is formed in the vicinity of the groove 64 in the base 60A. Since the suspension hole 66 is provided in the vicinity of the suspension fitting 44B, when the corner panel (not shown) of the decorative panel 71 is removed, the suspension hole of the flange member 60 is opened through the opening 74 as shown in FIG. 66 want. Therefore, the ceiling cassette type air conditioner 1 can be easily suspended as in the case where the unit component 5 is suspended alone.

  Further, as shown in FIG. 7, the base portion 60 </ b> A of the flange member 60 is formed by bending a part of the base portion 60 </ b> A to form a first connection portion 67. The first connection portion 67 includes bolts 101 and Holes for fixing to the connecting members 61 and 62 through the nut 102 are provided. The base portion 60A is formed with a second connecting portion 68 that extends upward from one end thereof and has its upper end portion bent substantially parallel to the base portion 60A. At both ends of the second connecting portion 68, holes for fixing to the connecting members 61 and 62 are provided through bolts 101 and nuts 102, respectively.

  The second connecting member 62 extending in the short direction of the unit structural bodies 5 and 5 is an L-shaped angle member having an upper plate 62A and a side plate 62B, and the flange member 60 is provided at both ends of the upper plate 62A. A connecting hole is formed at a position corresponding to the hole formed in the second connecting portion 68. Further, a part of both ends of the side plate 62B is bent outward, and a connecting hole is formed at a position corresponding to the hole formed in the first connecting portion 67 of the flange member 60.

The first connecting member 61 extending in the longitudinal direction of the unit structural bodies 5 and 5 is an L-shaped angle member having an upper plate 61A and a side plate 61B, and the flange member is disposed at both ends of the upper plate 61A. A connecting hole is formed at a position corresponding to the hole formed in the first connecting portion 68 of 60. Further, a part of both ends of the side plate 61B is bent outward, and a connecting hole is formed at a position corresponding to the hole formed in the first connecting portion 67 of the flange member 60.
At the approximate center of the side plate 61B of the first connecting member 61, as shown in FIG. 6, there is a claw portion 69 that can be hooked on a recess 58 formed on the upper edge of the side plate 55B of the connecting piece 55 and temporarily fixed. A connection hole 70 is formed outside the claw portion 69 at a position corresponding to the hole 59 of the connection piece 55. In this configuration, when attaching the first connecting member 61, the first connecting member 61 can be easily positioned by hooking the claw portion 69 of the first connecting member 61 to the recess 58 of the connecting piece 55, Since the hand can be released from the first connecting member 61, the first connecting member 61 can be fixed to the connecting piece 55 by one person.
In this configuration, the connecting piece 55 and the flange member 60 are fixed in contact with the upper surface of the hanging bracket 44 of each unit component 5 as shown in FIG. That is, when the ceiling cassette type air conditioner 1 is suspended, each unit component 5 is placed on the frame body 63 (including the connecting piece 55) via the suspension fitting 44. Become. Therefore, even if the bolts and nuts that connect the hanging bracket 44, the connecting piece 55, and the flange member 60 are removed, the unit structural body 5 does not fall into the room.

After the unit structural bodies 5 and 5 are connected, a side plate 92 having a pipe outlet 91 is disposed on the side surface of the pipe housing portion 90 as shown in FIG. A maintenance cover (support member, cover member) 93 extending over the pipe storage unit 90 is disposed on the upper surface of the pipe storage unit 90 (the lower surface when suspended). The maintenance cover 93 is opened mainly during maintenance of the refrigerant pipe and the drain pipe, and is usually screwed to the upper plate 61A of the first connecting member 61.
Arm portions 93A extending along the short direction of the maintenance cover 93 are formed at both ends of the maintenance cover 93, and the arm portions 93A are engaged with the claw portions 69 formed in the first connecting member. A mating slit 94 is provided. The slit 94 is for temporarily fixing the maintenance cover 93 to the first connecting member 61. By sliding the maintenance cover 93 in the lateral direction, the engagement between the slit 94 and the claw portion 69 is released. can do.
According to this configuration, since the maintenance cover 93 can be temporarily fixed to the first connecting member 61 by engaging the slit 94 with the claw portion 69, the maintenance cover is suspended in a state where the ceiling cassette type air conditioner 1 is suspended. Even when the fixing screw 93 is removed, the maintenance cover is prevented from dropping, and the maintenance work of the pipe housing portion 90 can be facilitated. In addition, a concave portion 93B having a screw hole is formed in the approximate center of the maintenance cover 93, and a support fitting 95 having a substantially U-shaped cross section with both ends bent is screwed to the concave portion 93B. Further, the maintenance cover 93 is formed with a groove portion 93C and a screw hole 93D for attaching a connection fitting 100 (see FIG. 9) described later.

  In this configuration, the assembling work of the unit structural bodies 5 and 5 in a factory or the like is performed until the side plate 92 and the maintenance cover 93 are attached to the pipe storage unit 90, and shipped in this state.

  The connected unit components 5 and 5 are suspended from the ceiling via the flange member 60. As shown in FIG. 9, decorative panels 71 and 71 are respectively assigned to these unit structural bodies 5 and 5, and these decorative panels 71 and 71 are screws formed at the four corners of the decorative panels 71 and 71. The unit structural bodies 5 and 5 are temporarily fixed through holes (not shown). In this case, the support fitting 95 screwed to the maintenance cover (FIG. 8) 93 has a front end portion 95A of the support fitting 95 passing between the side edges of the decorative panels 71 and 71, and the panel surface 71A of the decorative panel 71. It protrudes to the side.

A panel pressing member 105 having a substantially U-shaped cross section is connected to the distal end portion 95A of the support fitting 95. The panel pressing member 105 is connected to each decorative panel 71, 71 as shown in FIG. It spans across the air outlets 75, 75 facing each other. When the panel pressing member 105 presses the panel surface 71A of the decorative panel 71, the displacement of the decorative panels 71 and 71 in the thickness direction (Z direction in FIG. 9) can be restricted, and the height of the panel surface 71A Can be adjusted almost evenly. In this configuration, the support fitting 95 attached to the maintenance cover 93 and the panel pressing member 105 connected to the tip end portion 95A of the support fitting serve as a first restricting portion that restricts the displacement of the decorative panel 71 in the thickness direction. Function.
Further, as shown in FIG. 10, the panel pressing member 105 is formed with a plurality of notches 105A from both side edges toward the center line. These notches 105A are detachably engaged with claws (first panel claws 71A), which will be described later, formed at the tip of the center panel 72 when the center panels 72, 72 are attached to the decorative panels 71, 71. Is. In this configuration, these notches 105A function as first engagement holes.

As shown in FIG. 10, among the openings 74 formed at the four corners of the decorative panel 71, the adjacent openings 74, 74 of each decorative panel 71, 71 have peripheral edges 74 </ b> A of the openings 74, 74. The connecting metal fitting 106 is arranged across 74A. As shown in FIG. 11, the connecting metal fitting 106 includes a substrate 106A, a side plate 106B extending to the short side of the substrate 106A, and a front plate 106C extending to the long side of the substrate 106A. .
On the lower edge of the side plate 106B, as shown in FIG. 11, a substantially L-shaped locking piece 107 inserted into the groove 93C (FIG. 8) of the maintenance cover 93 described above, and a screw hole 93D of the maintenance cover 93 (Fig. 8) is formed with a fixing piece 108 having a hole for screwing. When attaching the connecting fitting 106 to the maintenance cover 93, the engaging piece 107 is hooked on the groove 93D, so that the connecting fitting 106 can be temporarily fixed, so that the attaching operation can be easily performed.

Further, as shown in FIG. 11, the side plate 106B includes a substantially L-shaped contact portion 109 formed continuously to the side edge of the side plate 106B. As shown in FIG. 10, the abutting portion 109 abuts on the side edge portion 74 </ b> B of the opening 74 of the decorative panel 71 when the connecting metal fitting 106 is attached to the maintenance cover 93. The deviation in the (X direction in the figure) is regulated. In this configuration, by arranging the two connecting fittings 106 in the openings 74, the positions of the side edge portions 74B of the openings 74 can be substantially aligned, and the decorative panel 71 can be accurately positioned in the width direction. it can. In this configuration, the connecting fitting 106 functions as a second restricting portion that restricts the displacement of the decorative panel 71 in the width direction.
A notch 110 is formed in the front plate 106C, and this notch 110 is a nail (second panel) which is formed at a substantially central portion of the center panel 72 when the center panel 72 is attached to each decorative panel 71. Nail) is detachably engaged. In this configuration, these notches 110 function as second engagement holes.
In the present embodiment, by attaching the support fitting 95, the panel pressing member 105, and the connecting fitting 106 to the maintenance cover 93, it is possible to regulate the deviation in the thickness direction and the deviation in the width direction of the decorative panels 71, 71. The decorative panels 71 and 71 can be positioned accurately and easily.
When the positioning of each decorative panel 71, 71 is completed, the temporarily fixed screw is tightened to fix the decorative panel 71, 71 to the unit constituent bodies 5, 5.

  A corner panel (cover body) (not shown) that closes the opening 74 is attached to the opening 74 of the decorative panel 71, and a cover claw (not shown) of the corner panel is detachably attached to a peripheral edge 74A of the opening 74. Engagement holes (third engagement hole and fourth engagement hole) 111 and 112 are formed. In this configuration, center panels 72 and 72 are disposed in the opening 74 located in the center of the decorative panels 71 and 71 arranged side by side instead of the corner panel, and the corner panel engagement formed in the opening 74 is performed. By attaching the center panels 72, 72 using the holes 111, 112, the center panels 72, 72 can be easily attached to the decorative panels 71, 71.

FIG. 12 is a plan view showing the back side of the center panel 72.
As shown in FIG. 12, the center panel 72 includes two first panel claws 72 </ b> A and 72 </ b> A formed at the front end portion of the center panel 72, and a second panel claw formed substantially at the center of the center panel 72. 72B, two third panel claws 72C, 72C formed substantially at the center of the rear end portion of the center panel 72, and two fourth panel claws 72D, 72D formed on each side portion of the rear end portion. And is configured.
The first panel claws 72A and 72A are formed at positions that engage with the notches (first engagement holes) 105A and 105A formed in the panel pressing member 105 when the center panel 72 is disposed on the decorative panel 71. A fixing piece 72E that can be screwed to the panel pressing member 105 is provided between the first panel claws 72A. The second panel claw 72B is formed at a position to engage with a notch (second engagement hole) 110 formed in the connection fitting 106. Similarly, the third panel claws 72C and 72C are formed at positions to engage with the third engagement holes 111 and 111 formed on the peripheral edge 74A of the opening 74 of the decorative panel 71, and the fourth panel claws 72D and 72D are formed. The opening 74 is formed at a position where it engages with the fourth engagement holes 112, 112 formed at the peripheral edge 74 </ b> A of the opening 74.

  As shown in FIG. 13, each center panel 72 is attached by sliding from the long side of the ceiling cassette type air conditioner 1. In this case, the panel pawls 71A to 71D described above can be easily attached by engaging with the engagement holes 105 and 110 to 112, respectively. In the present configuration, the one center panel 72 attached in advance is screwed to the panel pressing plate 105 through the screw hole of the fixing piece 72E formed at the tip of the center panel 72. When the other decorative panel 72 is attached, the screw extends below the tip of the other center panel 72 and is covered with the tip. For this reason, the screw is not exposed on the surfaces of the decorative panel 71 and the center panel 72, and the beauty of the entire decorative panel is improved.

According to the present embodiment, a plurality of unit constituent bodies 5 and 5 are arranged side by side, and these unit constituent bodies 5 and 5 are connected and integrated by a plurality of connecting members 61 and 62 extending vertically and horizontally. 5 and 5 are provided with separate decorative panels 71 and 71 each having an outlet 75 on four sides, so that the existing decorative panel 71 when the unit component 5 is used alone can be used as it is. Therefore, it is not necessary to newly form a decorative panel in accordance with the size of the connected unit structural bodies 5 and 5, and the development cost of the decorative panel can be reduced.
Moreover, in this embodiment, since the center panels 72 and 72 were arrange | positioned so that the adjacent blower outlets 75 and 75 of each decorative panel 71 and 71 might be covered, it is prevented that these adjacent blower outlets 75 and 75 are exposed indoors. As a result, the beauty of the decorative panel as a whole is improved.
Further, since the adjacent outlets 75 and 75 are covered with the center panels 72 and 72, air is not blown out through the outlets 75 and 75. For this reason, it is prevented that the air blown out from the adjacent blowout ports 75 and 75 interferes with each other and disturbs the airflow of the air blown out from the other blowout ports.

  According to this embodiment, the decorative panel 71 includes the openings 74 that allow the hanging brackets 44 </ b> A and 44 </ b> B of the unit component 5 to face each other at the four corners. The cover claws 71 </ b> C and 71 </ b> D engage with the engagement holes 111 and 112. The panel claws 71 </ b> C and 71 </ b> D engage with the engagement holes 111 and 112. The center panel 72 can be simply attached to the decorative panel 71 by engaging with the joint holes 111 and 112, respectively. Furthermore, since fasteners, such as a screw, are not exposed to the panel surface 71A of the decorative panel 71, the appearance of the decorative panel 71 can be improved.

  Moreover, according to this embodiment, while arrange | positioning the supporting member 93 between the unit structural bodies 5 and 5, each of these unit structural bodies 5 and 5 has the separate outlet panel which has the blower outlet 75 in 4 sides. 71, and the support member 93 is provided with the first restricting portions 95 and 105 for restricting the displacement in the thickness direction of the decorative panels 71 and 71 and the second restricting portion 106 for restricting the displacement in the width direction. Even in the case where the decorative panels 71 and 71 are arranged on the components 5 and 5, respectively, by positioning the decorative panel 71 in the thickness direction and the width direction, the decorative panels 71 and 71 can be positioned easily and accurately. Can be done. Therefore, these decorative panels 71 and 71 can be accurately arranged and attached, and as a result, the aesthetic appearance of the decorative panels 71 and 71 attached to the ceiling surface can be improved. Moreover, when attaching the center panels 72 and 72 to the decorative panels 71 and 71, since the said decorative panels 71 and 71 are positioned correctly, the attachment operation | work of the center panels 72 and 72 can be performed easily.

  In addition, according to the present embodiment, the panel pressing member 105 can control the displacement in the thickness direction of the decorative panels 71 and 71 by pressing the panel surface 71A of the decorative panel 71, and the panel surface 71A can be regulated. The height can be adjusted almost evenly.

  Further, according to the present embodiment, when the connecting metal fitting 106 is attached to the maintenance cover 93, the contact portion 109 of the connecting metal fitting 106 comes into contact with the side edge portion 74 B of the opening 74 of the decorative panel 71, and Since the shift in the width direction of the panel 71 is restricted, the positions of the side edge portions 74B of the opening 74 can be substantially aligned, and the decorative panel 71 can be accurately positioned in the width direction.

  Although the present embodiment has been described above, the present invention is not limited to this, and various modifications can be made. For example, in the above embodiment, a four-way blowing type ceiling cassette type air conditioner has been described. However, the present invention is not limited to other types of air conditioners, such as a two-way blowing type ceiling cassette type air conditioner. It can also be applied to.

It is a perspective view which shows one Embodiment of this invention. It is a top view of a unit structure. It is a disassembled perspective view which shows a piping accommodating part. It is the perspective view which showed the state which attaches a connection piece to each unit structure. It is a top view for demonstrating the combined state of a hanging metal fitting and a connection piece. It is a perspective view which shows the state which attaches a flange member, a 1st connection material, and a 2nd connection material to each unit structure. It is a perspective view for demonstrating the combined state of a hanging metal fitting, a flange member, a 1st connection material, and a 2nd connection material. It is a perspective view for demonstrating the maintenance cover arrange | positioned at a piping accommodating part. It is a perspective view for demonstrating the attachment procedure of a decorative panel. It is the top view which showed the connection part of the decorative panel. It is a perspective view of a connection metal fitting. It is the top view which showed the back surface side of the center panel. It is the perspective view which showed the procedure which attaches a center panel to a decorative panel.

Explanation of symbols

1 Ceiling cassette air conditioner 5 Unit structure (Ceiling-suspended indoor unit)
44A, 44B Hanging bracket 50 Ceiling plate member (ceiling side member)
51 Piping support (positioning member)
61 1st connection material (connection material)
62 Second connecting material (connecting material)
71 decorative panel 72 center panel 72A, 72B, 72C, 72D panel claw 74 opening 74A peripheral edge 75 outlet 90 piping storage part (piping space)
93 Maintenance cover (support member, cover member)
95 Support bracket (1st restriction)
105 Panel pressing member (first regulating part)
105A Notch (first engagement hole)
106 Connecting bracket (second regulating part)
110 Notch (second engagement hole)
111 engagement hole (third engagement hole)
112 engagement hole (fourth engagement hole)

Claims (4)

In the ceiling cassette type air conditioner in which a plurality of ceiling-suspended indoor units are arranged side by side, and these indoor units are connected and integrated by a plurality of connecting members extending vertically and horizontally,
First, a support member is disposed between the indoor units, a separate decorative panel having an air outlet is disposed in each of the indoor units, and a displacement in the thickness direction of the decorative panel is regulated on the support member. A ceiling cassette type air conditioner comprising a restriction part and a second restriction part for restricting displacement in the width direction.   The first restricting portion is attached to the support member, and is connected to a support fitting projecting to the panel surface side of the decorative panel through the side edge portions of the adjacent decorative panels, and an end portion of the support fitting, The ceiling cassette type air conditioner according to claim 1, further comprising a panel pressing member that spans between the air outlets facing each decorative panel.   The decorative panel is provided with openings at four corners facing the hanging metal fittings, and the second restricting portion comes into contact with the side edge portion of the opening when the second restricting portion is attached to the support member. The ceiling cassette type air conditioner according to claim 1 or 2, further comprising a section. 2. A piping space in which refrigerant piping and drain piping of each indoor unit are aggregated is provided between the indoor units, and the support member is a cover member that extends over the piping space. The ceiling cassette type air conditioner as described in any one of thru | or 3.

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