JPH0926157A - Ceiling built-in type air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve a safety by a method wherein an opening degree of a suction grill of a ceiling built-in type air conditioner is limited to such a degree as one in which no trouble may occur in fixing or removing of a filter. SOLUTION: One side of a suction grill 7 of a ceiling built-in type air conditioner is rotatably pivoted at a side of a suction port 3 of a grill main body 2 and at the same time an engaging piece 8 to be engaged with a side wall of the suction port 3 is arranged at the other side. There is provided a hanger element 9 for limiting an opening angle of the suction grill 7 between the suction grill 7 and a side wall of the suction port 3, thereby it is possible to prevent a finer from entering an air conditioner when a filter 6 is installed or removed from it and then its safety characteristic can be improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling-embedded air conditioner, and more particularly to an opening / closing mechanism for a suction grill provided at the center of the lower part of the same.

[0002]

2. Description of the Related Art A ceiling-embedded air conditioner installed in the ceiling of an air-conditioned room has a case body 21 as shown in FIGS. 4 and 5, and a turbo disposed in the center of the case body 21. A fan 22, a drive motor 23 for the fan 22, and a bell mouth 24 provided on the lower suction side of the turbo fan 22.
And a plurality of heat exchangers 25 arranged around the turbofan 22, a drain pan 26 arranged at the lower part of the heat exchanger 25, and a rectangular suction port 27 in the center, and the suction Providing a plurality of outlets 28 around the mouth 27,
Grill main body 2 that covers the lower opening of the case main body 21
9, a suction grill 30 that covers the suction port 27 of the grill main body 29, a filter 31 that is mounted inside the suction grill 30, and the like.
There are two types, one of which is configured to be detachable from the other, and one of which one side is rotatably supported by the grill main body 29 as shown in FIG. 4, which is opened and closed when cleaning the filter 31 and when inspecting the inside of the device. It is supposed to do.

[0003]

By the way, if the suction grill 30 can be removed, or if the suction grill 30 is rotatably supported as shown in FIG. 4, the filter 31 can be attached and detached not only when inspecting the inside of the equipment. Even if there is, since the suction port 27 is completely opened, there is a problem that it cannot be exported to a country that has established a standard that "a finger must not touch the blower fan when attaching or detaching the filter". Therefore, it is an object of the present invention to provide a ceiling-embedded air conditioner that does not interfere with the above-mentioned standards and that allows easy attachment / detachment of filters and internal inspection.

[0004]

The present invention has been made in order to solve the above-mentioned problems, and a turbofan and its drive motor are arranged in the center of the inside of a case body whose bottom side is opened. A bell mouth is provided on the lower suction side of the turbofan, a plurality of heat exchangers are arranged around the turbofan, and a drain pan is provided on the lower side of the heat exchanger, and a rectangular suction is provided at the center of the lower opening of the case body. A grill main body having a mouth and a plurality of outlets around the suction opening,
In a ceiling-embedded air conditioner having a suction grill that allows a filter to be attached to the suction port of the grill body,
One side of the suction grill is rotatably supported on the grill body, and a locking piece for locking the grill body is provided on the other side, and the suction grill is opened between the suction grill and the grill body. I decided to install a hanger that limits the angle.

[0005]

According to the above construction, one side of the suction grill is rotatably supported by the grill body, and the other side is provided with a hanging tool for limiting the opening angle of the suction grill with the grill body. By doing so, the filter can be attached and detached without any trouble, while preventing the finger or hand from entering the inside of the device.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. FIG. 1 shows the appearance of a ceiling-embedded air conditioner. Reference numeral 1 is a case body housed in the ceiling, and 2 is a grill body arranged in a lower opening of the case body 1. At the center of the grill body 2, there is a rectangular suction port 3 for sucking indoor air, and at its peripheral portion, four outlets 4 are provided in parallel with each side of the suction port 3. A turbo fan and its motor as described in the conventional example are arranged in the center of the inside of the case body 1, and four heat exchangers corresponding to the respective air outlets 4 are arranged around the blower fan.
A drain pan is provided below the heat exchanger, and a bell mouth 5 is provided on the suction side of the turbofan. A suction opening 7 of the grill body 2 is provided with a suction grill 7 which is opened and closed when the filter 6 is attached or detached or when the inside of the device is inspected. One side of the suction grill 7 is rotatably supported by the grill body 2.
On the other side, a locking piece 8 for locking the grill body 2 and a suspending tool 9 for limiting the opening angle of the suction grill 7 are provided between the side walls of the suction port 3.

As shown in FIG. 2, the suspending tool 9 has a main shaft (round bar) 9a that traverses the inside of the suction grill 7, arms 9b that are orthogonal to both ends of the main shaft 9a, and an arm portion 9 thereof.
Each of the auxiliary shafts 9c extends outward from the tip of b, and the tips of the auxiliary shafts 9c are slidably supported in the support grooves 10 formed in the left and right sidewalls of the suction port 3, while The main shaft 9a is hooked by an inverted L-shaped stopper 11 rotatably provided inside the suction grill 7,
On the left and right side walls of the suction grill 7 with which the main shaft 9a is orthogonal, the main shaft 9
A recess 12 for positioning a is formed. Also,
Filter pressers 13 are provided on the left and right of the upper portion of the suction grill 7 to prevent the filter 6 from being displaced and dropping when the filter 6 is attached or detached.

The position of the counter shaft 9c shown in FIG.
Shows that the filter 6 is opened up to a predetermined opening angle. If the opening angle of this degree is maintained, the filter 6 can be attached and detached without any hindrance. The hanging tool 9 can be removed from the suction grill 7 by rotating the stopper 11 that is rotated from the position shown in the figure to the left or right, and the suction grill 7 can be rotated almost vertically to the suction port. 3 is completely open. Also, after the filter 6 is attached / detached and the internal inspection is completed, after confirming that the main shaft 9a and the stopper 11 are in the state shown in the figure, if the suction grill 7 is closed, the left and right auxiliary shafts 9c become the supporting grooves 10. It is supported and moves in the direction of the arrow, and locking pieces 8 provided on the front left and right sides of the suction grill 7 are locked in recesses (not shown) formed in the side wall of the suction port 3 of the grill body 2. Become.

The suspension 9 shown in FIG. 2 has a main shaft 9a,
Although it is composed of the left and right arms 9b and the counter shaft 9c, it is not necessary to limit to this. For example, as shown in FIG. 3 (A), the entire suspending tool 9 is integrally formed by bending with a metal rod. Alternatively, as shown in FIG. 3B,
A main shaft 9a, a first arm 9d connected to both ends of the main shaft 9a, and a second arm 9e rotatably connected to the other end of the main shaft 9d.
The other end of the first arm 9d may be rotatably supported on the side wall of the suction port 3 of the grill body 2, and one end of the first arm 9d may be connected to the left and right side walls of the suction grill 7 as shown in FIG. The screw 14 may be rotatably supported, and the other end of the second arm 9e may be rotatably supported on the side wall of the suction port 3 of the grill body 2.

[0010]

As described above, in the ceiling-embedded air conditioner as described above, the opening angle of the suction grill is limited to the extent that it does not hinder the attachment / detachment of the filter, and the fingers are deep inside the equipment. Since there is no fear of entering even the inside of the equipment, it conforms to foreign standards that forbid fingers from entering inside the equipment, and when inspecting the inside of the equipment it is convenient because you can fully open the inlet of the grill body, and also Since the suction grill is made of synthetic resin and has a large area, it is easy to bend due to its own weight, but the main shaft of the hanger is pulled to the suction grill side by the stopper provided inside the suction grill, and the suction grill is reinforced. , The appearance is improved because there is no deflection.

[Brief description of drawings]

FIG. 1 is an external perspective view of a ceiling-embedded air conditioner showing an embodiment of the present invention.

FIG. 2 is an enlarged perspective view of a main part showing one embodiment of the present invention.

FIG. 3 is a perspective view showing another example of a component according to the present invention.

FIG. 4 is an external perspective view of a conventional ceiling-embedded air conditioner.

FIG. 5 is a side sectional view showing the inside of the ceiling-embedded air conditioner.

[Explanation of symbols]

 1 Case Main Body 2 Grill Main Body 3 Suction Port 4 Blowout Port 5 Bellmouth 6 Filter 7 Suction Grill 8 Locking Piece 9 Suspension Tool 9a Main Spindle 9b Arm 9c Secondary Spindle 10 Support Groove 11 Stopper 12 Recess 13 Filter Hold

Claims (8)

[Claims] 1. A turbo fan and a drive motor for the turbo fan are disposed in the center of the inside of a case body having an opening on the bottom side, a bell mouth is provided on the lower suction side of the turbo fan, and a plurality of heat exchangers are provided around the bell mouth. A drain pan is provided in the lower part of the heat exchanger, and a grill main body having a rectangular suction opening in the center of the lower opening of the case main body and a plurality of outlets in the peripheral portion of the suction opening. In a ceiling-embedded air conditioner having a suction grill with a filter attached to a suction port of the grill body, one side of the suction grill is rotatably supported by the grill body. , A locking piece for locking the grill body on the other side, and
A ceiling-embedded air conditioner comprising: a hanging member for limiting an opening angle of the suction grill between the grill main body and the grill main body. 2. The ceiling-embedded air conditioner according to claim 1, wherein a recess for locking the locking piece is provided on an inner wall of the suction port. 3. The suspension includes a main shaft that traverses the inside of the suction grille, arms orthogonal to both ends of the main shaft, and a sub-shaft that extends outward from the tip of the arm. Ceiling embedded air conditioner described. 4. The ceiling-embedded air conditioner according to claim 1, wherein a stopper for locking the main shaft of the suspension is rotatably provided inside the suction grill. 5. The ceiling-embedded air conditioner according to claim 1, wherein a support groove for slidably supporting the auxiliary shaft tip of the suspension is provided on a side wall of the inlet of the grill body. 6. The ceiling-embedded air conditioner according to claim 1, wherein the suspension member is integrally bent and formed by a metal round bar. 7. The suspending device comprises a first arm connected to the left and right of the main shaft and a second arm rotatably connected to the other end of the main shaft. The ceiling-embedded air conditioner according to claim 1 or 3, wherein the other end is rotatably supported by a side wall of the inlet of the grill body. 8. The suspending tool comprises a first arm rotatably supported to the left and right of the suction grill, and a second arm rotatably connected to the other end of the arm. The ceiling-embedded air conditioner according to claim 1, wherein the other end of the second arm is rotatably supported by a side wall of the inlet of the grill body.