JPH07324769A - Supporting structure of decorative lid for decorative panel of air conditioner - Google Patents

Abstract

PURPOSE:To make a decorative panel of an indoor apparatus look to advantage by the use of a decorative lid which is fitted on the decorative panel and covers an opening for adjustment of height formed in the decorative panel, simplify the work of attaching and detaching the decorative lid, and yet substantially increase the supporting strength of the decorative lid. CONSTITUTION:At the corners of a decorative panel 9 openings 15 are formed, through which tools are passed when the height of the suspended casing 2 is adjusted. Decorative lids 16 are removably attached in a manner of covering the openings 15 and making the decorative panel 9 look attractive at the corners. On the back side of each of the decorative lids 16 there are provided hooks 16g and permanent magnets 17: the hooks 16g engage with the corresponding corner of the decorative panel 9 and the permanent magnets 17 are positioned closest to a metal plate attached to the corner when the hooks 16g are set in place.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support structure for a decorative lid that covers an opening formed in a decorative panel of a ceiling-embedded air conditioner, and more particularly, to improve the workability of attaching and removing the decorative lid and to improve the supporting strength. Regarding measures to secure and improve the appearance.

[0002]

2. Description of the Related Art Conventionally, as a support structure for a ceiling-embedded air conditioner, an indoor unit casing is hooked on a nut screwed to a hanging bolt in a space above the ceiling, and this nut is screwed to the hanging bolt. It is known that the indoor unit casing is suspended and supported at a predetermined position by adjusting the wearing position, and a decorative panel is attached to the lower surface of the indoor unit casing.

However, in such a structure, when it is attempted to finely adjust the hanging height position of the indoor unit casing after the decorative panel is attached, the decorative panel is positioned below the hanging bolt, that is, inside the room. Therefore, the nut cannot be operated with the decorative panel attached. Therefore, the suspension height position of the air conditioner casing cannot be adjusted. Therefore, when adjusting this height position, it is necessary to temporarily remove the decorative panel from the air conditioner casing and then perform the nut operation, which increases the work time for this position adjustment.

In order to solve this point, Japanese Patent Laid-Open No. 5-13
A configuration disclosed in Japanese Patent No. 3549 is proposed. In this publication, an opening is formed in a portion of the decorative panel located vertically below the hanging bolt, and a tool such as a socket wrench is inserted from this opening toward the hanging bolt to enable nut operation, The height position of the air conditioner casing can be adjusted without removing the decorative panel.

Further, in this publication, in order to ensure a good appearance of the decorative panel when the air conditioner is installed, after the height position is adjusted, the opening of the decorative panel is covered with a decorative lid. Is also disclosed.

[0006]

However, when the support strength of the decorative cover is not sufficiently obtained, the decorative cover may fall. In addition, there is a general method of screwing the decorative lid to the edge of the opening from below in order to obtain sufficient support strength of the decorative lid. Not only does this cause the head to be positioned poorly, but also the work of attaching and removing the screws must be performed when attaching and detaching the makeup lid, which leaves a problem in terms of workability.

Therefore, an air conditioner having an opening for adjusting the height of such a decorative panel cannot be fully realized without properly supporting the makeup lid.

The present invention has been made in view of this point, and by improving the makeup lid that covers the opening of the makeup panel, the appearance is well ensured, and the workability of attachment and detachment is simplified. The purpose is to sufficiently increase the supporting strength.

[0009]

In order to achieve the above object, the present invention utilizes the attractive force of a permanent magnet to detachably attach a decorative lid to a decorative panel.

More specifically, the invention according to claim 1 suspends and supports the side wall surface of the indoor unit casing (2) by a suspending member (B) in the space above the ceiling (S),
An adjustment mechanism (N) is provided to adjust the suspension height position of (2) with respect to the suspension member (B).
Open at the bottom of (2) at a position facing the adjustment mechanism (N) (15)
A makeup panel support structure for a makeup panel for an air conditioner, in which a makeup panel (9) having an opening is disposed, and a makeup lid (16) covering the opening (15) from below is detachably attached to the makeup panel (9). It is assumed. Then, make sure that the opening (15) is closed.
A permanent magnet (17) for attracting (16) to the indoor unit casing (2) is provided.

According to a second aspect of the present invention, in the makeup lid supporting structure for a makeup panel for an air conditioner according to the first aspect, a locking hole (14a) is provided at the edge of the opening (15) of the makeup panel (9). Formed,
On the back surface of the decorative lid (16), a hook portion (16g) that locks the decorative lid (16) in a locking hole (14a) so as not to fall is provided. In addition, the permanent magnet (17) is attached to one of the edge of the decorative lid (16) and the opening (15), and the hook (16g) is locked to the locking hole (14a) on the other end of the permanent magnet (17). ) Metal plate (1
8) is attached.

According to a third aspect of the present invention, in the support structure for the decorative lid of the air conditioner according to the first or second aspect,
Piping that extends through the indoor unit casing (2) to the outside
(7) and (8a) are arranged so as to pass above the opening (15) of the decorative panel (9).

According to a fourth aspect of the present invention, in the makeup cover supporting structure of the decorative panel for an air conditioner according to the third aspect, the pipe is a refrigerant pipe (7) and a transparent drain pipe (8a). .

[0014]

With the above construction, the present invention provides the following actions. In the invention according to claim 1, the air conditioner casing (2) is suspended and supported by the suspending member (B), and the decorative panel (9) is provided below the air conditioner casing (2).
In the state in which is installed, by inserting a tool from the opening (15) formed in the decorative panel (9) toward the adjusting mechanism (N), the hanging member (B) of the air conditioner casing (2) The hanging height position with respect to is adjusted. After this adjustment work, make up the decorative panel so that the opening (15) is covered from below.
Attach the decorative lid (16) to (9). Then, with the makeup lid (16) attached, a suction force is generated between the makeup lid (16) and the edge of the opening (15) by the permanent magnet (17), and this attraction force causes the makeup lid to be removed. (16) is prevented from falling off. Therefore, the work of attaching the makeup lid (16) is easy, and the makeup lid (1
Since the mounting members such as the permanent magnets (17) cannot be seen from the surface of 6), the decorative panel (9) looks good. Furthermore, the work of removing the decorative cover (16) can be easily performed by moving the decorative cover (16) against the suction force.

According to the second aspect of the present invention, when attaching the decorative lid (16), the hook portion (16g) of the decorative lid (16) is fitted into the locking hole (14a) of the decorative panel (9). Lock it. Then, in this state, the attractive force between the permanent magnet (17) and the metal plate (18) prevents the makeup lid (16) from moving in the falling direction. That is, the decorative lid (16) is reliably supported by the decorative panel (9) by the locking force of the hook portion (16g) and the attractive force of the permanent magnet (17).

According to the third aspect of the present invention, by removing the decorative lid (16) from the decorative panel (9), it is possible to easily check the fluid leakage from the pipes (7) and (8a) through the opening (15). You can check.

According to the fourth aspect of the present invention, by removing the decorative lid (16), it is possible to easily confirm the presence or absence of refrigerant leakage from the refrigerant pipe (7) and the drain discharge state from the drain hose (8a). The inspection work can be simplified.

[0018]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a sectional view of a ceiling-embedded air conditioner (1) according to this example. This air conditioner (1) has a ceiling (R)
The casing (2), which is inserted and arranged in the opening (H) formed in the above, and which opens downward is installed in the space above the ceiling (S). The casing (2) includes a top plate (2a) and side plates (2b) extending downward from the outer edge of the top plate (2a). Top plate (2
As shown in FIG. 2, a) has a substantially octagonal shape, and the side plate (2b) extends vertically downward from each side of the top plate (2a). Specifically, the top plate (2a) is an octagon in which long sides with long sides and short short sides are alternately continuous, and the side plates (2b) extending vertically downward from the long sides have a relatively small area. Side plate (2
b ') is a corner side plate (2b') with a relatively small area.

Further, as the installation structure of the casing (2), as shown in FIG. 2, a hanging bolt (B) as four hanging members hanging from a beam (not shown) in the space above the ceiling (S),
(B), ... Suspended and supported. That is, the casing
At the center of the corner side plate (2b ') of (2), a hook member (2c) protruding outward in the horizontal direction as shown in Fig. 3 is attached, and it is formed at the center of the hook member (2c). Long hole (2d)
Insert the suspension bolt (B) into the, and screw the nut (N) under the inserted part. As a result, the hook member (2c) comes into contact with the upper surface of the nut (N), and the casing (2) is suspended and supported by the suspension bolts (B), (B), ... At four locations. Further, the height position of the casing (2) can be adjusted by adjusting the screwing position of the nut (N) with respect to the hanging bolt (B). The adjusting mechanism is configured in this way.

Further, as shown in FIG. 1, a turbofan (3) is arranged at the center of the casing (2). This turbofan (3) has a blade (3c) held between the shroud (3a) and the hub (3b), and the center of the hub (3b) is located in the center of the casing (2). It is directly connected to the lower end of the drive shaft of the motor (4), and the rotation of the blade (3c) accompanying the drive of this motor (4) allows the air sucked from the lower side to be blown outward in the radial direction. ing. A bell mouth (5) for guiding the indoor air to the turbo fan (3) is arranged below the turbo fan (3).

A heat exchanger (6) is arranged around the outside of the turbofan (3). This heat exchanger (6) is connected to an outdoor unit (not shown) via refrigerant pipes (7) and (7),
It functions as an evaporator during cooling operation and as a condenser during heating operation, and adjusts the temperature of the air drawn from the turbofan (3). Also, the refrigerant pipe (7),
(7) is one corner side plate of the casing (2) as shown in FIG.
It extends through (2b ') toward the outdoor unit.

A drain pan is provided below the heat exchanger (6).
(8) is arranged, and the drain hose (8a) connected to this drain pan (8) is different from the corner side plate (2b ') through which the refrigerant pipes (7), (7) are penetrated. It extends through the corner side plate (2b ') to the outside of the room. In addition, this drain hose (8a)
Consists of a translucent hose, a part of which is a bendable bellows.

A decorative panel (9) is attached to the lower end of the casing (2). This makeup panel (9)
An air suction port (9a) is formed in the center thereof, and air outlets (9b), (9b), ... Are formed at a plurality of locations (for example, four locations) of the side edge portion. Also, the casing (2) of this decorative panel (9)
As shown in Fig.2, the corner side plate (2b ')
The hooks (11) projecting outward from the vicinity of the lower end of the decorative panel (9) are supported by being hooked by a locking tool (12) provided on the upper surface of the decorative panel (9). Also, makeup panels (9)
The air suction port (9a) is provided with an air filter (9c) for removing dust in the air sucked from the air suction port (9a).

In this way, the air flow passage (10) is formed across the air suction port (9a) and the air blowout port (9b) of the decorative panel (9), and this air flow passage (10) is formed. , From upstream to downstream, air filter (9c), bell mouth (5), turbo fan
(3) and heat exchanger (6) are arranged in that order.

The feature of this example is the corner of the decorative panel (9). This corner is located under the corner side plate (2b ') of the casing (2), and is shown in FIG.
As shown in, an opening (15) penetrating in the vertical direction is formed. Specifically, this corner portion has a corner recessed portion (13) formed by recessing the corner portion of the air suction port (9a). The corner recessed portion (13) has first and second edge portions (13) whose edges extend parallel to the outer edges of the decorative panel (9).
a) and (13b) and the third and fourth edge portions (13a) extending from one end of each edge portion (13a) and (13b) toward the air suction port (9a) side.
c), (13d) and the fifth and sixth edges () extending from one end of each of the third and fourth edges (13c), (13d) along the edge of the air inlet (9a). It consists of 13e) and (13f). And
A support panel (14) extending horizontally in the vicinity of one end of the first and second edges (13a) and (13b) and in the region extending from the third to sixth edges (13c) to (13f). Are integrally formed with the decorative panel (9), while the other areas, that is, the corner recesses
The opening (15) having a substantially triangular shape is formed in the region of the outer side portion of (13). Therefore, as shown in Fig. 2, the suspension bolt
When the decorative panel (9) is attached to the casing (2) supported by (B), the hanging bolt (B) is located immediately above this opening (15), and from this opening (15). Hanging bolt
It is possible to change the suspension height position of the casing (2) by operating the nut (N) screwed to (B).

The corner portion of the decorative panel (9) has a flat surface (bottom surface) in order to cover the corner recessed portion (13) and obtain a good appearance of the decorative panel (9). A decorative lid (16) formed by a surface as shown in FIG. 5 is detachably attached. The structure for attaching and detaching the decorative lid (16) will be described below. This cosmetic lid (16) has a corner recess (13).
It is made of a plate that matches the shape of. That is, the outer shape is formed by the first to sixth edge portions (16a) to (16f) corresponding to the first to sixth edge portions (13a) to (13f) of the corner recessed portion (13). Further, L-shaped hook portions (16g), (16g), and (16g) are integrally formed at three positions on the back surface (upper surface) of the decorative lid (16). This hook part (16g), (16g), (16g)
A vertical part (16h) extending vertically upward from the upper surface of the decorative lid (16) and a horizontal part (16h) extending horizontally from the upper end of the vertical part (16h).
i) and the formation positions thereof are as follows: a position near the connecting portion between the first edge portion (16a) and the third edge portion (16c), a second edge portion (16b) and a fourth edge portion (16d). ) And the vicinity of the connecting portion between the fifth edge portion 16e and the sixth edge portion 16f, respectively. Also, these hooks (16g), (16g), (16
The horizontal parts (16i), (16i), and (16i) of g) are extended in the fifth direction, respectively.
The direction is set to the edge portion (16e) and the sixth edge portion (16f) (rightward in FIG. 5), respectively.

Further, a permanent magnet is provided on the upper surface of the decorative lid (16).
(17) and (17) are provided. This permanent magnet (17), (17)
At the positions slightly retracted from the third edge (16c) and the fourth edge (16d) of the decorative lid (16), the edges (16c), (16
It is placed parallel to d). Specifically, the third edge (16
c) and the fourth edge (16d), a permanent magnet (17) is sandwiched and supported between a pair of protrusions (16j), (16j) arranged in parallel at a small distance. ing.

On the other hand, as shown in FIG. 4, in the support panel (14) of the recessed portion (13) of the corner, locking holes (16g), (16g), and (16g) are formed at positions corresponding to the forming positions. 14a), (14a), and (14a) are formed. The opening area of this locking hole (14a) is
6g) is substantially aligned with the horizontal part (16i), and the horizontal part (16i) of the hook part (16g) is attached to the locking hole (14a) when the decorative lid (16) is attached.
It is designed to be inserted into.

Furthermore, the third edge portion (1) of the corner recess (13) is
3c) and the fourth edge (13d) are made of iron plates (18), (18)
Is installed. The mounting position of the plates (18), (18) is a position facing the permanent magnets (17), (17) when the decorative lid (16) is mounted. An attractive force acts between 18), (18) and the permanent magnets (17), (17).

Next, the air conditioner configured as described above
The installation work of (1) is explained. This installation work consists of hanging the casing (2), attaching the decorative panel (9), adjusting the hanging position, and attaching the decorative lid (16).

First, in the hanging work of the casing (2),
Insert the hanging bolt (B) into the long hole (2d) of the hook member (2c) provided on the corner side plate (2b ') of the casing (2), and screw the nut (N) under the insertion part. To wear. This operation is performed for each corner side plate (2b '), (2b'), .... This allows
The hook member (2c) abuts on the upper surface of the nut (N), and the casing (2) is suspended and supported by suspension bolts (B), (B), ... At four locations. Further, in this state, the hanging position of the casing (2) is not set to the optimum position.

After suspending the casing (2), the decorative panel (9) is attached. In this work, the hooks (11) protruding from the corner side plate (2b ') are located near the lower end.
Then, the locking tool (12) provided on the upper surface of the decorative panel (9) is hooked. This operation is performed for each corner side plate (2b '), (2b'), .... This allows the decorative panel (9) to be
It is attached to the bottom surface of (2).

After the work of attaching the decorative panel (9), the process of adjusting the hanging position is started. In this work, the makeup panel
Insert a socket wrench through the openings (15), (15), ... formed in the corner of (9), and operate the nut (N) screwed to the suspension bolt (B), Adjust the screwing position of this nut (N) to the suspension bolt (B). As a result, the height position of the hook member (2c) that is in contact with the upper surface of the nut (N) is adjusted, and the suspension height position of the casing (2) is adjusted to the optimum position. In other words, by adjusting the height position, the height position of the entire device is adjusted so that no gap is created between the upper surface of the decorative panel (9) and the ceiling surface.

Finally, after the operation of adjusting the hanging position, the operation of attaching the cosmetic cover 16 is started. This work is performed by applying the makeup lid (1) to each corner recess (13), (13), ... of the makeup panel (9).
6), (16), ... Installation work. That is, as shown in FIG. 6, the hook portions (16g), (16g) and (16g) of the decorative lid (16) are connected to the locking holes (14a), (14a) and (14a) of the support panel (14). ), And press the makeup lid (16) toward the corner recess (13). As a result, the horizontal portions (16i), (16i), and (16i) of the hook portions (16g), (16g), and (16g) are engaged with the locking holes (14a), as shown by phantom lines in FIG. It is inserted in (14a) and (14a). Further, in this state, the permanent magnet (17) provided on the decorative lid (16) and the plate (18) provided on the corner recess (13) are opposed to each other with a relatively large gap. , No suction force is generated between them.

Then, from this state, the makeup lid (16) is slid toward the air suction port (9a) side of the makeup panel (9). That is, it is slid to the right in FIG. Then, as shown in Fig. 7, each hook (16g), (16g)
g), (16g) horizontal part (16i), (16i), (16i)
a), (14a), (14a) will be locked at the edge, and the gap between the permanent magnet (17) and the plate (18) will be extremely small (for example, a few mm). A suction force acts between both (17) and (18). Therefore, the makeup lid (16) does not easily move to the left in FIG. That is, the makeup lid (16)
The permanent magnet (1
It is blocked by the suction force between 7) and the plate (18).

In the state where the makeup lid (16) is attached in this way, the surface of the makeup lid (16) cannot be seen from the indoor side,
Since this surface is a flat decorative surface, the appearance of the corner portion of the decorative panel (9) is well secured.

Further, as a work for removing the decorative lid (16), the decorative lid (16) is slid and moved against the attractive force between the permanent magnet (17) and the plate (18) (see FIG. 7). It can be easily done by simply moving it to the left) and does not require complicated work such as removing screws.

As described above, according to the constitution of this example, the appearance of the corner portion of the decorative panel (9) is well ensured, and the supporting strength of the decorative lid (16) is improved while the workability of attaching and detaching the decorative lid (16) is simplified. The structure can be made sufficiently high, and a highly practical structure can be obtained for the air conditioner (1) in which the opening (15) for height adjustment is formed in the decorative panel (9).

Further, according to the configuration of this example, the refrigerant pipe (7)
And the translucent drain hose (8a) to the corner side plates (2b '), (2
Since it passes through the b ') and passes over the upper side of the opening (15), by removing the decorative lid (16), it is possible to confirm whether there is a refrigerant leak from the refrigerant pipe (7) and to check the drain hose (7). 8a)
It is possible to easily confirm the drained state from the drain, and the inspection work can be simplified.

In this example, the case where the decorative lid (16) is attached to the corner of the decorative panel (9) has been described, but the present invention is not limited to this. That is, the casing (2)
When the hanging position is set to a position other than the corner portion different from the present example, an opening is formed at a position corresponding to that position, and the makeup lid (16) is also set corresponding to that position.

Further, in this embodiment, there is a slight gap between the permanent magnet (17) and the plate (18) when the decorative lid (16) is attached, but both of them (17), (18) may be abutted to obtain a higher supporting strength.

[0042]

As described above, according to the present invention, the following effects are exhibited. According to the invention of claim 1, since the decorative lid is provided with the permanent magnet for attracting to the indoor unit casing, the appearance of the corner portion of the decorative panel can be well ensured, and the decorative lid can be secured. It is possible to sufficiently increase the support strength while simplifying the workability of attaching and detaching. Therefore, it is possible to obtain a highly practical structure for the air conditioner in which the opening for height adjustment is formed in the decorative panel.

According to the second aspect of the present invention, since the decorative lid is supported on the decorative panel by the hooking force of the hook and the attractive force of the permanent magnet, the supporting strength of the decorative lid to the decorative panel is sufficient. Can be improved.

According to the third aspect of the invention, the pipe that penetrates the indoor unit casing and extends to the outside of the room is arranged so as to pass above the opening of the decorative panel. Particularly, in the invention of the fourth aspect. Since the pipes are refrigerant pipes and transparent drain pipes, it is easy to check the presence of refrigerant leaks from the refrigerant pipes and the drain discharge state from the drain hose simply by removing the decorative lid from the decorative panel. Therefore, this kind of inspection work can be simplified.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a ceiling-embedded air conditioner.

FIG. 2 is a perspective view showing a suspended state of the air conditioner.

FIG. 3 is a perspective view showing a suspended portion by a suspension bolt.

FIG. 4 is a perspective view showing a corner portion of a decorative panel.

FIG. 5 is a perspective view showing a back surface side of a makeup lid.

FIG. 6 is a cross-sectional view showing a work of attaching a makeup lid.

FIG. 7 is a cross-sectional view showing a state in which a makeup lid is attached.

[Explanation of symbols]

 (2) Casing (7) Refrigerant piping (8a) Drain hose (9) Decorative panel (14a) Lock hole (15) Opening (16) Decorative lid (16g) Hook part (17) Permanent magnet (18) Plate (S ) Ceiling space (B) Suspension bolt (Suspension member) (N) Nut (Adjustment mechanism)

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Akira Fujimoto 1-1, Nishiichitsuya, Settsu-shi, Osaka Daikin Industry Co., Ltd. Yodogawa Manufacturing (72) Inventor Masato Higashimura 1304, Kanaoka-cho, Sakai-shi, Osaka Daikin Industries, Ltd. Sakai Works Kanaoka Factory (72) Inventor Toshiyuki Tanaka 1304 Kanaoka-cho, Sakai City, Osaka Prefecture Daikin Industries, Ltd.Sakai Works Kanaoka Factory (72) Masao Matsumura 1304, Kanaoka-cho, Sakai City, Osaka Sakai Works, Daikin Industries, Ltd. Kanaoka Factory

Claims (4)

[Claims] 1. The side wall surface of the indoor unit casing (2) is suspended and supported by a suspending member (B) in the space above the ceiling (S), and the indoor unit casing (2) is suspended from the suspending member (B). An adjusting mechanism (N) for adjusting the lowered height position is provided, and a decorative panel (9) having an opening (15) at a position facing the adjusting mechanism (N) is provided below the indoor unit casing (2). ) Is provided, and the makeup lid (16) that covers the opening (15) from below is a makeup panel.
In a makeup lid supporting structure for a makeup panel for an air conditioner detachably attached to (9), a permanent magnet that attracts the makeup lid (16) to the indoor unit casing (2) so as to close the opening (15). (17) is provided, a makeup lid support structure for a makeup panel for an air conditioner, which is characterized by being provided. 2. A lock hole (14a) is formed at the edge of the opening (15) of the decorative panel (9), and a lock hole (1) is formed on the back surface of the decorative lid (16).
Hook part (16g) that locks the decorative lid (16) to 4a) so that it cannot be dropped.
A permanent magnet (17) was attached to one of the edges of the decorative lid (16) and opening (15), and the hook (16g) was locked in the locking hole (14a) on the other side. The makeup cover supporting structure for a makeup panel for an air conditioner according to claim 1, further comprising a metal plate (18) attached to the permanent magnet (17) in this state. 3. Pipes (7), (8a) extending through the indoor unit casing (2) to the outside of the room are arranged so as to pass above the opening (15) of the decorative panel (9). The makeup lid support structure for a makeup panel for an air conditioner according to claim 1 or 2, wherein: 4. The makeup cover supporting structure for a makeup panel for an air conditioner according to claim 3, wherein the pipes are a refrigerant pipe (7) and a transparent drain pipe (8a).