JP2713046B2 - Installation frame structure of embedded air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an installation frame structure of an embedded type air conditioner embedded in a ceiling or a wall.

[0002]

2. Description of the Related Art Conventionally, as an air conditioner buried under a ceiling, for example, one shown in FIG. 7 is known.
This air conditioner is provided with metal side plates 5 of a main body 55 at the lower ends of a plurality of anchor bolts 52 protruding from the ceiling slab 1.
A metal fitting 51 protruding from the outer surface of 5d is fixed with a nut 53,
The peripheral edge of the panel 57 on the lower surface of the main body 55 is brought into contact with the opening edge 8a of the ceiling material 8 and is suspended from the ceiling, and the refrigerant pipes 9a, 9b and the drain pipe 14 for going and returning are drawn out from the side plate 55d. Extending above the ceiling. The air conditioner is installed according to the procedure shown in FIG. 8 in accordance with the construction process of the new construction of the building. That is, FIG.
A position (see a dashed line in the figure) that is lower by a predetermined distance from the imaginary ceiling slab 1 corresponding to the installation location of (A) is selected as the lower surface of the main body. Next, after the ceiling slab is cast, the anchor bolts 52 that are embedded and protruded at the time of casting at this position are
As shown by the broken line in FIG. 8B, a box-shaped pattern 54 having the same size as the main body is fixed, and serves as a mark for preventing the ceiling material 8 from being stretched on this portion. Before the ceiling material 8 is stretched, the refrigerant pipes 9a and 9b, the drain pipe 14, and the electric wires (not shown) are laid along the ceiling slab 1 as shown in FIG. 8C. After the ceiling material 8 is stretched, as shown in FIG. 8D, the main body 55 is inserted into the ceiling from the opening 8a, and the metal fittings 51 on the outer periphery of the main body 55 are passed through the lower ends of the anchor bolts 52 so that the nuts 5 are formed.
3 (see FIG. 7), and connect the refrigerant pipes 9a and 9b, the drain pipe 14 and the electric wires to the main body 55. Finally, as shown in FIG. 8E, the opening 8a of the ceiling material 8 is
The installation is completed by closing with a panel 57 having a suction and air outlet attached to the lower surface of the main body 55.

[0003]

However, in the installation of the conventional air conditioner, a box-shaped pattern 54 must be fixed to the anchor bolts 52 in advance so that the ceiling member 8 is not stretched. In addition, when this work is requested to another contractor such as a carpenter involved in the new construction work, the work is often forgotten and the pattern 5
In order to confirm whether the opening 8a has been opened as in the case of 4 or to attach the main body 55, it is necessary to go to the construction site many times in accordance with the progress of other construction. is there. Further, since the ceiling material 8 is cut and opened in accordance with the pattern 54, the dimensional error is inevitably increased, and in order to solve this, the wrap margin L of the panel 57 (see FIG. 7) must be increased. In addition to increasing the size of the panel 57, there is a problem that the installation work becomes complicated because the main body 55 is fixed to the anchor bolts 52 with the nuts 53, and the refrigerant pipe 9, the drain pipe 14, and the electric wires are rearranged. In addition, since the embedded type air conditioner is required to have a structure in which the main body 55 is covered with a metal plate according to the regulations of the Fire Service Law, the weight naturally increases, and the installation work becomes more complicated.

Accordingly, an object of the present invention is to provide an embedded type air conditioner having a small and lightweight structure, which can attach a main body, a refrigerant pipe and the like with one touch, and does not need to go to a construction site many times. It is to provide a frame structure.

[0005]

In order to achieve the above object, an installation frame structure according to the present invention is, as illustrated in FIG. 1, used for an embedded air conditioner embedded in a ceiling or inside a wall. A mounting frame 3 having a box-like shape with only one surface opened, and a bottom 3a facing the opening fixed to the ceiling slab 1 or the wall, and a main body 5 of the air conditioner inserted into the mounting frame 3. In order to engage with the engagement portion 6 and hold the peripheral edge of the panel 7 on the front surface of the main body 5 in contact with the opening edge 3b of the installation frame 3 and the ceiling material 8 or wall panel stretched around the opening edge 3b, The fixing tool 4 provided in the frame 3 and the holes 11 provided in the side plate 3d of the installation frame 3 for inserting the refrigerant pipes 9a and 9b to be connected to the main body 5 and the end of the electric wire.
And a support member 10 for supporting the distal end portion at a predetermined position in the installation frame 3. Note that the engaging portion 6 of the main body 5 is attached to the bottom plate 5a on the outer periphery of the side plate 5d.
The fixing tool 4 is attached to the bottom plate inner surface 3c of the installation frame 3 by the base 1
3a is attached, and the tip 13b is
The claw 13 may be a L-shaped claw 13 which is engaged and disengaged by turning.
Further, the support member 10 is fitted with a pipe joint 15 attached to the tip of the refrigerant pipes 9a and 9b or a connection terminal at the tip of the electric wire, and a fixing plate 16 protruding from the inner surface of the installation frame 3 is fitted. It can also be.

[0006]

In the box-shaped installation frame 3 having only one surface opened, the bottom 3a facing the opening is fixed to the ceiling slab 1 and the wall before the ceiling material 8 and the wall panel are stretched. Therefore,
The rigid installation frame 3 makes it possible to clarify the installation position of the air conditioner, and it is possible to make an opening at any time with high dimensional accuracy in the ceiling material 8 and the wall panel along the installation frame 3, and thereafter until the main body 5 is installed. It is not necessary to go to the construction site, and the wrap margin L of the panel 7 on the front of the main body 5 can be reduced, so that the size of the panel 7 can be reduced. Next, the main body 5 of the air conditioner is inserted into the installation frame 3 from the opening, and the peripheral edge of the panel 7 on the front surface of the main body 5 is brought into contact with the opening edge 3b and the surrounding ceiling material 8 and wall panel, The engaging portion 6 of the main body 5 is engaged with the fixing device 4 in the installation frame 3. As a result, the main body 5 can be easily and quickly attached to the installation frame 3, and since the installation frame 3 is provided, the main body 5 does not need to be covered with a metal plate.
Can be lightened, installation workability is greatly improved, and installation by only one person is possible. Furthermore, the refrigerant pipes 9a and 9b to be connected to the main body 5 and the distal ends of the electric wires pass through the holes 11 in the side plate 3d of the installation frame 3 and are supported at predetermined positions in the frame 3 by the support members 10, so that the main body It can be easily connected to the refrigerant pipe 17 on the fifth side and the like, and the installation workability is further improved.

The engaging portion 6 of the main body 5 is connected to a side plate 5d.
And the fixing tool 4
When the base 13a is attached to the inner surface 3c of the bottom plate of the installation frame 3 and the tip 13b is turned to engage with and disengage from the claw 12, the mounting frame of the main body 5 is provided. 3 can be performed with one touch, that is, more easily and quickly. Further, the support member 10 is connected to the refrigerant pipe 9a,
By fitting a fitting 15 attached to the tip of 9b or a connection terminal at the tip of the electric wire to form a fixed plate 16 protruding from the inner surface of the installation frame 3, the connection with the refrigerant pipe 17 on the main body 5 and the like can be made. Can be performed with one touch, that is, easier and faster.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the illustrated embodiments. As shown in FIG. 1, the installation frame structure of the embedded air conditioner has a box shape with only the lower surface opened, and the ceiling slab 1
An installation frame 3 in which a bottom outer periphery 3a is fixed by welding to a plurality of L-shaped brackets 2 having bases embedded therein, and an engagement portion 6 of a body 5 of an air conditioner inserted into the installation frame 3 In order to engage with and hold the peripheral edge of the panel 7 on the lower surface of the main body 5 in contact with the opening edge 3b of the installation frame 3 and the ceiling material 8 stretched around it, the projection is provided on the bottom inner surface 3c of the installation frame 3. A hole 11 (see FIG. 4) provided in the side plate 3 d of the installation frame 3 for inserting the front end of the fixed fixture 4 and the refrigerant pipe 9 to be connected to the main body 5.
(See (A)), and a support member 10 for supporting the distal end portion at a predetermined position in the installation frame 3 is provided. The engaging portion 6 of the main body 5 is, as shown in FIG. 2 (C), a C-shaped claw 12 projecting from the outer periphery of the side plate 5d at an acute angle toward the bottom plate 5a. Specifically, as shown in FIG. 2A, the fixture 4 of the installation frame 3 has a base 13a pivotally attached to a bottom plate inner surface 3c of the installation frame 3 and a distal end 13b having the above-mentioned L-shaped claw. A U-shaped claw 13 is engaged with and disengaged from the base 12 by rotation (see FIG. 2D).

Specifically, the support member 10 of the installation frame 3 is provided with a refrigerant pipe 9 which is inserted into the hole 11 of the side plate 3d.
a, 9b, the drain pipe 14 (see FIG. 4 (A)) and the vicinity of the end of the electric wire (not shown) are bent as shown in FIG. 5 (C), and the pipe joint 15 attached to these ends (see FIG. 5 (D)) And a fixing plate 16 fitted with connection terminals and protruding from the inner surface of the side plate 3d. The fixing plate 16 is provided with refrigerant pipes 17a, 17b protruding from the side surface of the main body 5 and a pipe joint 18 at the end of the electric wire.
1 and FIG. 6 (C), the pipes and the electric wires are connected by abutting the fixing plate 19 to which the connection terminals are fitted.

Using the installation frame structure having the above structure, the main body of the air conditioner is installed above the ceiling according to the procedure shown in FIG. That is, at the design stage, a position indicated by a dashed line and lowered by a predetermined distance from the imaginary ceiling slab 1 corresponding to the installation location in FIG. 6A is selected as the lower surface (panel 7) of the main body and the ceiling surface. Next, after the ceiling slab 1 is cast and before the ceiling material 8 is stretched, as shown in FIG. The outer periphery 3a of the bottom of the installation frame 3 is fixed by welding. Then, the rigid installation frame 3 made of a metal plate makes it possible to clarify the mounting position of the main body 5 of the air conditioner, unlike the conventional example using a pattern (see FIG. 8), and along the opening edge 3b of the installation frame 3. An opening can be formed in the ceiling material 8 at any time with high dimensional accuracy. Therefore, it is not necessary to go to the construction site until the main body 5 is mounted, and the wrap margin L (see FIG. 1) of the panel 7 (see FIG. 6C) on the lower surface of the main body 5 can be reduced. Can be achieved.

Next, as shown in FIG. 6 (C), the main body 5 of the air conditioner is inserted into the installation frame 3 from the opening of the ceiling material 8, and the peripheral edge of the panel 7 on the lower surface of the main body is opened with the opening edge 3b and its opening edge. While being in contact with the surrounding ceiling material 8, the L-shaped claw 12 as an engaging portion of the main body 5 is engaged with the L-shaped claw 13 as a fixing tool in the installation frame 3. That is, when the main body 5 is pushed up into the installation frame 3, the L-shaped claws 12 of the main body 5 come into contact with the L-shaped claws 13 of the installation frame 3 as shown in FIG. This is the base 1
Rotate outward around the axis of 3a as shown by the broken line in the figure,
Next, the claw 13 rotates inward as indicated by the arrow due to its own weight,
When the peripheral edge of the panel 7 contacts the ceiling material 8,
2, 13 engage each other. Thus, unlike the conventional example using the anchor bolt 52 and the nut 53 in FIG.
Can be attached to the installation frame 3 with one touch, that is, extremely easily and quickly. In addition, since the metal installation frame 3 is located behind the ceiling, there is no need to cover the main body 5 with a metal plate as in the conventional example, and the case can be made of synthetic resin to reduce the weight, greatly improving the installation workability. Yes, it can be installed alone. Further, a refrigerant pipe 9a extending behind the ceiling,
9b and the electric wire are bent at their ends through the holes 11 of the side plate 3d, and their ends are connected to the pipe joints 15, 18 of the fixing plate 16 in the installation frame 3 as a support member (see FIG. 5D). And, it is connected to the refrigerant pipe 17 and the electric wire of the main body 5 via the fixing plate 19. Therefore, the connection with the refrigerant pipe or the like on the main body 5 side can be made with one touch, that is, extremely easily and quickly, and the installation workability is further improved.

FIGS. 2 (B), 2 (E), 2 (F) and 3 show modifications of the fixture 4 of the installation frame 3 and the engaging portion 6 of the main body 5. FIG. That is, the fixing tool of FIG. 2B is different from the R-shaped claw 13 described in FIG. 2A, in that the base 20a is fixed to the bottom inner surface 3c of the installation frame 3 instead of the intermediate portion 20c. To the tip 20
Claw 20 provided with pivot 21 enabling rotation of b
2 (E) is different from the L-shaped claw 12 described in FIG. 2 (C), and the L-shaped recess 2 is formed in the side plate 5d of the main body 5.
2 are provided, and the concave-shaped claw 13 is provided in the concave portion 22 as shown in FIG.
(F). On the other hand, in the modified example of FIG. 3A, the engaging portion of the main body 5 is the same claw 13 as in FIG. 2C, but the fixture of the installation frame 3 has a U-shaped cross section. The bracket 23 is provided vertically on the bottom inner surface 3c (see FIG. 2A) and has a lower end pivotally attached to a pivoting lid 24 which pivots as shown by an arrow and engages with the claw 13. 3 (B), (C)
In the modification of the first embodiment, the engaging portion of the main body 5 is provided with a pin 26 at the center of a U-shaped member 25 provided on the inner surface of the side plate 5d as shown in FIG.
On the other hand, as shown in FIG. 3 (B), the fixture of the installation frame 3 is pivotally attached to a base 27a on a bracket 27 which is suspended from a bottom inner surface 3c (see FIG. 2 (A)). The intermediate portion is urged in the rotational direction by a spring 29 so as to face in the vertical direction, and the concave portion 28b at the tip is engaged with the pin 26 and is turned off.
Consists of The engagement and disengagement of the fixing tool 4 and the engaging portion 6 in these modified examples are the same as those of the L-shaped claws 12 and 13 described in FIG. The same effects as described above, such as quick attachment, can be achieved.

On the other hand, FIGS. 4B to 4D and FIGS.
(B) shows a modification of the support member 10 of the installation frame 3. That is, the support member shown in FIG. 4 (B) is a fixing plate having a portion near the distal end of the refrigerant pipe 9 or the drain pipe 14 horizontally inserted into the vertically long hole 11 ′ of the side plate 3 d, which is vertically attached to the bottom inner surface 3 c of the installation frame 3. 4 (C), an L-shaped fixing plate 31 provided at the corner of the bottom inner surface 3c near the tip of the refrigerant pipe 9 or the like similarly inserted and bent at a right angle. , And all show front views as shown in FIG. 5A and 5B, the vicinity of the distal ends of the refrigerant pipes 9a and 9b and the drain pipe 14 horizontally inserted into the hole 11 of the side plate 3d as in FIG. Are fixed to and supported by an L-shaped fixing plate 32 provided at a corner of the band with a band 33 and screws 34. The support member 10 of these modified examples includes the refrigerant pipe 9 and the like substantially the same as those of the fixing plate 16 described with reference to FIG. 1 even though the pipe joint 15 and the connection terminal of the electric wire are not fitted as shown in FIG. Since the tip is supported at a predetermined position in the installation frame 3, the same effect as described above that the connection with the refrigerant pipe 17 or the like of the main body 5 can be easily achieved.

Incidentally, it is needless to say that the engaging portion of the main body and the fixture of the installation frame of the present invention are not limited to the L-shaped claws 12 and the L-shaped claws 13 of the embodiment. However, the installation frame 3 allows the opening of the ceiling material 8 or the like to be opened with accurate dimensional accuracy. After the installation frame 3 is mounted, it is not necessary to go to the construction site until the main body 5 is mounted. (See FIG. 1), and the main body can be easily and quickly attached to the installation frame by the engagement of the engagement portion and the fixing tool, so that the installation workability is greatly improved as compared with the related art. Also,
The support member of the present invention may be constituted only by the hole 11 of the side plate 3d of the installation frame. Even in this case, the passage of the distal end of the refrigerant pipe 9 or the like through the hole 11 is sufficient. Connection work with the device can be facilitated. Further, in the above embodiment, the case where the main body of the air conditioner is embedded in the space above the ceiling has been described. However, the installation frame structure of the present invention can of course be applied to the case where the main body is embedded in a wall panel.

[0015]

As is apparent from the above description, the installation frame structure of the embedded air conditioner of the present invention has only one surface opened,
A fixture is provided in a mounting frame whose bottom facing the opening is fixed to a ceiling slab or the like, and the peripheral edge of the front panel is brought into contact with the opening edge of the mounting frame and the ceiling material and the like around the mounting frame. A hole provided in the side plate of the installation frame for engaging the engaging portion of the main body of the air conditioner inserted into the fixing device with the above-mentioned fixing device and for inserting the end of the refrigerant pipe or electric wire to be connected to the main body. With the supporting member having at least the above-mentioned tip portion is supported at a predetermined position in the installation frame, so that the installation frame can make an opening in a ceiling material or the like with accurate dimensional accuracy at any time, and is small and lightweight. With the structure, the main body and refrigerant piping can be easily and quickly attached.
There is no need to visit the construction site many times, and installation workability is greatly improved. Further, the engaging portion of the main body is a R-shaped claw protruding from the outer periphery of the side plate toward the bottom plate so as to form an acute angle, and the base is attached to the inner surface of the bottom plate of the installation frame, If the part is a L-shaped claw that is engaged and disengaged from the C-shaped claw by rotation, the main body can be more easily and quickly attached to the installation frame. further,
If the support member is a fixed plate protruding from the inner surface of the installation frame by fitting a connection terminal of a pipe joint or an electric wire attached to the tip of the refrigerant pipe, the connection with the refrigerant pipe or the like on the main body side is achieved. It can be done more easily and quickly.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing one embodiment of an installation frame structure of an embedded air conditioner of the present invention.

FIG. 2 is a diagram showing an engaging portion of a main body and a fixing device of a mounting frame according to the embodiment, and their modifications.

FIG. 3 is a view showing another modified example of the engaging portion and the fixing device.

FIG. 4 is a view showing a support member of the installation frame of the embodiment and a modification thereof.

FIG. 5 is a view showing the support member and a modification thereof.

FIG. 6 is a diagram showing an installation procedure of the main body of the air conditioner according to the embodiment.

FIG. 7 is a sectional view showing an installation structure of a conventional embedded air conditioner.

FIG. 8 is a diagram showing an installation procedure of a main body of an air conditioner according to a conventional example.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Ceiling slab, 3 ... Installation frame, 3a ... Bottom part, 3c ... Bottom plate inner surface, 3d ... Side plate, 4 ... Fixture, 5 ... Main body, 6 ... Engagement part,
7 ... Panel, 8 ... Ceiling material, 9 ... Refrigerant piping, 10 ... Support member, 11 ... Hole, 12,13 ... L-shaped claw, 13a ... Base,
13b: tip, 15: pipe joint, 16: fixing plate.

 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takanori Fujita 2-4-12 Nakazaki Nishi, Kita-ku, Osaka-shi, Osaka Umeda Center Building Daikin Industries, Ltd. In-house (56) References JP-U 4-74223 (JP, U ) Japanese Utility Model Showa 59-195421 (JP, U) Japanese Utility Model Application Hei 3-31228 (JP, U)

Claims (3)

(57) [Claims] In an installation frame structure of an embedded type air conditioner embedded in a space above a ceiling or inside a wall, the frame has a box shape with only one surface opened, and a bottom portion (3a) facing the opening has a ceiling slab (1). Alternatively, the main body (5) is engaged with an installation frame (3) fixed to a wall and an engaging portion (6) of a main body (5) of the air conditioner inserted into the installation frame (3). A peripheral edge of the front panel (7) is provided in the installation frame (3) so as to be held in contact with an opening edge (3b) of the installation frame and a ceiling material (8) or a wall panel stretched around the opening edge (3b). Fixed fixtures (4)
And side plates (3) of the installation frame (3) for inserting the refrigerant pipes (9a, 9b) to be connected to the main body (5) and the ends of the electric wires.
An embedded air conditioner having at least a hole (11) provided in d), and a support member (10) for supporting the tip portion at a predetermined position in the installation frame (3). Installation frame structure. 2. An engaging portion (6) of the main body (5) is provided with a side plate (5).
D-shaped claws (12) projecting from the outer periphery of d) at an acute angle toward the bottom plate (5a), and the fixing tool (4) is provided on the inner surface (3c) of the bottom plate of the installation frame (3). The base (13a) is attached to
The tip part (13b) is engaged with the above-mentioned L-shaped claw (12) by rotation,
The installation frame structure for an embedded type air conditioner according to claim 1, wherein the claw (13) is a detachable claw. 3. The cooling device according to claim 1, wherein the supporting member is a refrigerant pipe.
A fixing plate (16) in which a fitting (15) attached to the tip of (9a, 9b) or a connection terminal at the tip of the electric wire is fitted, and protrudes from the inner surface of the installation frame (3). Item 3. An installation frame structure for an embedded air conditioner according to item 1 or 2.