JPH081380Y2 - Ceiling-mounted air conditioner - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling-mounted air conditioner that is embedded in or suspended from a ceiling.

[0002]

2. Description of the Related Art An example of a conventional air conditioner of this type is shown in FIGS. Inside the case body 2 embedded in the ceiling 1, a heat exchanger 7, a drain pan 10, a motor 5,
A blower 6, a baffle plate 12, and the like are built in. A ceiling panel 8 is hung below the case body 2, a suction port 3 is formed in the center thereof, and a blowout port 4 is formed adjacent to the suction port 3.

During operation of this air conditioner, refrigerant from an outdoor unit (not shown) circulates in the heat exchanger 7, and the motor 5 drives the blower 6. Then, the indoor air in the chamber 9 passes through the suction port 3, the suction grill 11 and the filter 13, is guided by the baffle plate 12, is sucked into the blower 6, and is urged.
Then, in the process of flowing through the heat exchanger 7, the air is cooled or heated to become conditioned air, which is blown into the chamber 9 from the blowout port 4.

The ceiling panel 8 has a plurality of (four in the figure) daruma holes 14 at equal pitches along a circumference centered on the center thereof.
a, 14b, 14c and 14d are bored in the same rotation direction. Each body hole 14a from case body 2 or baffle plate 12
Plural suspension bolts 15a to 15d are hung down at positions aligned with -14d.

When mounting the ceiling panel 8, a nut 16 is preliminarily screwed into the ends of the hanging bolts 15a to 15d, and the ceiling panel 8 is lifted up so as to have its dulled holes 14a and 14b.
, 14c, 14d with large diameter circular holes, each hanging bolt 15a ~ 1
The nut 16 screwed into the tip of 5d is penetrated. Next, by rotating the ceiling panel 8 around its center in the direction of the arrow, the hanging bolts 15a to 15d are draped.
The ceiling panel 8 is supported on each nut 16 by moving it to the slotted hole of d. In this state, the ceiling panel 8 is rotated in the forward or reverse direction so as to be aligned with the joint of the ceiling 1, and then the ceiling panel 8 is suspended by tightening the nuts 16 on the suspension bolts 15a to 15d.

[0006]

In the above conventional air conditioner, since the plurality of daruma holes 14a to 14d are all bored in the same rotation direction, the ceiling panel 8 can be moved in the forward or reverse direction. When the ceiling 16 is aligned with the joint of the ceiling 1 while rotating, there is a risk that the nut 16 may slip out of the circular holes 14a to 14d and drop out of the ceiling panel 8.

[0007]

SUMMARY OF THE INVENTION The present invention has been proposed to solve the above problems, and the gist of the first invention is that a ceiling panel has a circumference centered on its center. A ceiling-mounted air conditioner in which the ceiling panel is suspended by penetrating a hanging bolt provided on the case body side into four holes provided at equal pitches and screwing a nut into the tip of the hanging bolt. , A pair of holes located diagonally on one of the above four holes is a circular hole having a large-diameter circular hole and an elongated hole continuous with the circular hole and facing in the same rotation direction, and is formed on the other diagonal. There is a ceiling-mounted air conditioner characterized in that a pair of positioned holes are elongated holes.

The gist of the second invention is that the hanging bolts provided on the case body side are penetrated through the four holes provided at equal intervals along the circumference centered on the center of the ceiling panel. In a ceiling-mounted air conditioner in which the ceiling panel is suspended by screwing a nut into the tip of the lever, each of the four holes has a large-diameter circular hole portion and a long hole portion continuous with the circular hole portion. A ceiling-mounted air conditioner characterized in that holes are formed and a pair of daruma holes located on one diagonal and a pair of daruma holes located on the other diagonal are directed in directions opposite to each other. It is in.

[0009]

According to the first aspect of the invention, the nuts are screwed on the tips of the pair of suspension bolts inserted into the pair of duller holes, and the nuts are not screwed onto the other pair of suspension bolts. The panel is lifted up and the nut is inserted into the circular holes of the pair of duller holes, and at the same time, the other pair of hanging bolts is inserted into the pair of elongated holes. Next, the ceiling panel is supported on the nut by rotating the ceiling panel and moving the pair of hanging bolts to the oblong holes of the dulled hole. Then, screw the nuts onto the tips of the other pair of hanging bolts,
In this state, the ceiling panel is slightly rotated in the forward or reverse direction to align with the joint of the ceiling. Then, the ceiling panel is fixed by tightening each nut.

In the second invention, a nut is screwed on the tip of one of a pair of hanging bolts that are inserted through a pair of duller holes located on either diagonal, and the other pair of hanging bolts is placed. With the nuts not screwed onto the bolts, lift the ceiling panel and insert the nuts into the circular holes of the pair of daruma holes located on one diagonal and at the same time install the pair of nuts located on the other diagonal. Insert the other pair of suspension bolts into the oblong holes of the Daruma hole. Next, the ceiling panel is supported on the nut by rotating the ceiling panel and moving the pair of hanging bolts to the oblong hole portion of the dulled hole.
After that, a nut is screwed onto the tips of the other pair of hanging bolts, and in this state, the ceiling panel is slightly rotated in the forward or reverse direction to be aligned with the joint of the ceiling. Then, the ceiling panel is fixed by tightening each nut.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENT One embodiment of the present invention is shown in FIG. Of the four holes provided in the ceiling panel 8, the pair of holes located diagonally on one side are the Daruma holes 20a and 20c, and the pair of holes located on the other diagonal are elongated holes 20b and 20d. Has been done. Other configurations are similar to those of the conventional one shown in FIGS. 3 and 4.

However, when the ceiling panel 8 is mounted, the nuts 16 are screwed on the tips of the pair of suspension bolts 15a, 15c inserted into the respective sill holes 20a, 20c, and the other pair is suspended. With the nuts not screwed onto the hanging bolts 15b and 15d, the ceiling panel 8 is lifted up, and the nut 16 is inserted into the circular holes of the pair of dulled holes 20a and 20c. To another pair of hanging bolts 15
After inserting b and 15d, the ceiling panel 8 is supported on the nut 16 by rotating the ceiling panel 8 and moving the pair of hanging bolts 15a and 15c to the slotted holes 20a and 20c. Then, the other pair of suspension bolts 15b and 15d
Nuts 16 are screwed onto the tips of the ceiling panels 8, and in this state, the ceiling panel 8 is slightly rotated in the forward or reverse direction to be aligned with the joints of the ceiling 1. Then, the ceiling panel is fixed by tightening each nut 16.

FIG. 2 shows another embodiment of the present invention. The four holes provided in the ceiling panel 8 are defined as daruma holes 21a, 21b, 21c, and 21d, respectively, and the daruma holes 21a and 21c located on one diagonal and the daruma holes 21b and 21d located on the other diagonal. The directions of are opposite to each other.
Other configurations are similar to those of the conventional one shown in FIGS. 3 and 4.

When mounting the ceiling panel 8, however, a pair of hanging bolts 15a, which are inserted into a pair of daruma holes, for example, 21a and 21c, located on one of the diagonals,
The nut 16 is screwed onto the tip of each of the 15c, and the nuts are not screwed onto the other pair of hanging bolts 15b and 15d.
After inserting the nut 16 into the circular hole of 1c and simultaneously inserting the other pair of hanging bolts 15b and 15d into the elongated holes of the other pair of Daruma holes 21b and 21d, rotate the ceiling panel 8 to make a pair. The ceiling panel 8 is supported on the nut 16 by moving the hanging bolts 15a and 15c of the above to the oblong holes of the dulled holes 21a and 21c. Then, the other pair of hanging bolts 15b
, 15d are respectively screwed into nuts 16, and in this state, the ceiling panel 8 is slightly rotated in the forward or reverse direction to be aligned with the joint of the ceiling 1. Then, the ceiling panel 8 is fixed by tightening each nut 16.

[0015]

According to the first aspect of the invention, a pair of holes diagonally located on one side out of the four holes are formed by a circular hole having a large diameter and an elongated hole continuous with the circular hole, and are oriented in the same rotation direction. Since it is a daruma hole and the pair of holes located on the other diagonal is a long hole, even if the nut is rotated in the forward or reverse direction to match the ceiling panel to the joint of the ceiling, each nut has a circular hole part Or it does not slip out of the slot and therefore the ceiling panel does not fall off the suspension bolt.

In the second invention, each of the four holes is a duller hole consisting of a large-diameter circular hole portion and an elongated hole portion connected to the circular hole portion, and a pair of daruma holes positioned diagonally on one side and the other. Since the direction of the pair of diametrical holes located on the diagonal of the is set to be opposite to each other, it is possible to select a pair of diametrical holes located on any diagonal to temporarily fix the ceiling panel, and in any direction. The ceiling panel can be rotated and temporarily fixed. Even if the ceiling panel is rotated in the forward or reverse direction in order to match the ceiling joint, each nut does not come out of the circular hole portion of the duller hole, so that the ceiling panel does not drop.

[Brief description of drawings]

FIG. 1 is a plan view corresponding to FIG. 4 according to a first embodiment of the present invention.

FIG. 2 is a plan view corresponding to FIG. 4 according to a second embodiment of the present invention.

FIG. 3 is a vertical cross-sectional view of the conventional ceiling-embedded air conditioner taken along the line AA in FIG.

FIG. 4 is a plan view showing a conventional ceiling-embedded air conditioner with a top plate omitted.

[Explanation of symbols]

 2 Case body 15a Hanging bolt 15b Hanging bolt 15c Hanging bolt 15d Hanging bolt 8 Ceiling panel 20a Daruma hole 20c Daruma hole 20b Slot 20d Slot

Claims (2)

[Scope of utility model registration request] 1. A hanging bolt provided on the case main body side is passed through four holes provided at equal intervals along a circumference centered on the center of the ceiling panel, and a nut is screwed into the tip of the hanging bolt. Thus, in the ceiling-mounted air conditioner in which the ceiling panel is hung, a pair of holes located diagonally on one of the four holes is provided with a large-diameter circular hole and an elongated hole continuous with the circular hole. A ceiling-mounted air conditioner characterized by being made up of dumbbell-shaped holes that face the same direction of rotation and a pair of diagonally opposite holes that are elongated holes. 2. A hanging bolt provided on the case main body side is passed through four holes provided at equal intervals along the circumference centered on the center of the ceiling panel, and a nut is screwed into the tip of the hanging bolt. As a result, in the ceiling-mounted air conditioner in which the ceiling panel is hung, the four holes are each formed as a round hole having a large-diameter circular hole portion and an elongated hole portion continuous with the circular hole portion, and one of the diagonal holes is formed on one diagonal side. A ceiling-mounted air conditioner characterized in that the direction of the pair of daruma holes located on the other side and the direction of the pair of daruma holes located on the other diagonal are oriented in opposite rotation directions.