JPH11201492A - Air conditioning unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an indoor unit of which an inlet grille is easy to open and close even when the unit is installed in a corner part of a room. SOLUTION: An inlet grille 3 is so fitted as to be rotatable around the upper edge part of the front of a unit main body 2 as a fulcrum so that removal of a filter be facilitated. An engaging-disengaging operation part 16 is provided on the opposite sides of the base part of the inlet grille 3. The engaging- disengaging operation part 16 is made up of a finger insertion groove 18 formed in the unit main body 2 and of a front hitch part 17 formed in the inlet grille 3. The front hitch part 17 is formed from the rear side toward the front in the shape of a recess. By inserting a finger into the finger insertion groove 18, bringing the finger into contact with the front hitch part 17 and applying the pressure of the finger in the direction to this side, the inlet grille 3 is rotated, and the front of the unit main body 2 is put in an open state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioning unit, and more particularly to a wall-mounted air conditioning unit having a freely openable and closable suction grill.

[0002]

2. Description of the Related Art Conventionally, as an indoor unit (air conditioning unit) used for a room air conditioner or the like, a wall-mounted unit provided with a suction grill openably and closably mounted on a unit body has been known. As shown in FIG.
This type of indoor unit (a) includes a unit main body (b) composed of a substantially rectangular parallelepiped housing with an open front surface, and a suction grill (c) formed of a grid-like lid. Inside the unit body (b), a heat exchanger, a fan, and the like are housed.

The suction grille (c) is rotatably mounted on the front surface of the unit body (b) with the upper edge of the front surface of the unit body (b) as a fulcrum. A locking claw is provided on the back surface of the suction grill (c), and a grip portion for gripping the locking claw is provided at a position corresponding to the locking claw on the unit body (b). Then, the engaging grille (c) is fixed to the unit body (b) by the engagement between the locking claw and the grip portion. A filter is provided between the suction grill (c) and the unit body (b) to remove dust and dirt from room air.

During operation, room air is drawn into the unit body (b) through the suction grill (c). The air sucked into the unit body (b) is heated or cooled in the heat exchanger to become conditioned air, passes through a fan, and is blown into the room from the outlet (d).

When the room air conditioner has been used for a long period of time, dust accumulates on the filter, making it difficult for air to be sucked into the unit main body (b), thereby reducing the efficiency of the room air conditioner. Therefore, it is necessary to periodically clean the filter, and as a preliminary step, the indoor unit (a)
It is necessary to take out the filter from.

In the conventional indoor unit (a), a suction grill is used.
In order to facilitate the rotation of (c), that is, the operation of opening the front surface of the unit body (b), flat hooks (e) are provided on both sides of the suction grill (c). When removing the filter, grasp the hook (e) with a finger and pull it toward you to release the engagement between the locking claw of the suction grill (c) and the grip of the unit body (b). Then, the suction grill (c) is rotated. As a result, the front surface of the unit body (b) to which the filter is attached is opened, and the filter can be easily taken out.

In some cases, the suction grill (c) is detached from the unit body (b) in order to wash the suction grill (c) itself with water or the like. At that time, first, the hook (e) of the suction grill (c) is pulled toward the user in the same manner as described above, and the suction grill (c) is once turned in the opening direction. After that, the suction grill (c) is pulled out to the near side, thereby removing the suction grill (c) from the unit body (b).

[0008]

Usually, an indoor unit is used.
(a) is often provided at a corner of a room so as to be as inconspicuous as possible. Therefore, one side surface of the indoor unit is often close to the wall (w) of the room. In such a case, the gap (f) between the side wall and the wall close to the wall (w)
Is small, it is difficult to insert a hand into the gap (f), and it is difficult to pinch the hook (e) of the suction grill (c) with a finger. This makes it difficult to remove the filter and remove the suction grill (c). That is, the indoor unit
If (a) is provided at the corner of the room, the maintainability is reduced.

SUMMARY OF THE INVENTION The present invention has been made in view of the foregoing, and an object of the present invention is to provide an air conditioner unit that can easily open and close a suction grill even when installed in a corner of a room. is there.

[0010]

In order to achieve the above object, according to the present invention, a hook portion is provided on a front side of a suction grill.

Specifically, the first invention is a unit main body.
(2), and is rotatably attached to the unit body (2) with the upper edge of the front surface of the unit body (2) as a fulcrum so as to open and close the front surface of the unit body (2). In the air-conditioning unit of the wall type provided with the suction grille (3), the suction grille (3) is turned in the opening direction with respect to the unit body (2) at the bottom of the suction grille (3). A finger hook (17) for movement is provided.

Thus, when cleaning the filter and the suction grill, finger pressure is applied to the hooking portion (17) provided on the bottom side of the suction grill (3), so that the suction grill (3) is provided. ) Is easily rotated, and the front surface of the unit body (2) is opened. Therefore, the suction grille (3) is rotated only by the operation in front of the suction grille (3), so that the maintainability is improved.

According to a second aspect, in addition to the first aspect,
The hook (1) of the suction grill (3) in the unit body (2)
At a position corresponding to (7), a finger insertion groove (18) for guiding a finger to the hook portion (17) is formed.

Thus, when the suction grille (3) is rotated to open the front surface of the unit body (2), a finger is inserted into the finger insertion groove (18), and the hook (17) is moved forward. By pulling to the side, the suction grille (3) is easily rotated.
Therefore, maintainability is further improved.

According to a third aspect, in addition to the second aspect,
The hook portion (17) of the suction grill (3) is constituted by a concave portion formed on the back side of the bottom side of the suction grill (3).

[0016] Thus, a hook portion (17) for improving maintainability can be obtained with a simple configuration.

According to a fourth aspect, in addition to the third aspect,
A conditioned air outlet (6) is provided below the suction grill (3) in the unit body (2), and a hook (17) of the suction grill (3) is provided between the unit and the outlet (6). The air outlet (6) is formed horizontally outside at a predetermined interval.

Thus, the air blown out from the outlet (6) is not affected by the hooking portion (17), so that the turbulence of the air flow can be reliably prevented.

[0019]

Embodiments of the present invention will be described below with reference to the drawings.

As shown in FIGS. 1 and 2, the air conditioning unit according to the present embodiment is an indoor unit (1) of a room air conditioner. The indoor unit (1) is connected to an outdoor unit (not shown) via a refrigerant pipe.

The indoor unit (1) is a so-called wall-mounted unit, and is a unit main body (2) having a substantially rectangular parallelepiped (specifically, slightly swelling to the front) housing.
And a lid-shaped suction grill (3) provided so as to cover the front surface of the unit body (2). As shown in FIG. 2, the suction grille (3) is rotatably attached to the unit main body (2) with the front upper edge of the unit main body (2) as a fulcrum with respect to the unit main body (2) by a locking member (12). I have.

The suction grille (3) and the upper surface of the unit body (2) are formed in a lattice shape. This grid-like part is
A suction port (13) for guiding air outside the unit body (2) into the unit body (2) is configured. On the other hand, as shown in FIG. 1, an opening extending along the longitudinal direction of the unit body (2) is provided below the front surface of the unit body (2), and the opening constitutes an air outlet (6). doing. As shown in FIG. 2, a heat exchanger (4) and a fan (5) are housed inside the unit body (2). The heat exchanger (4) is bent above the fan (5) so as to surround the fan (5). Therefore, the room air sucked from the suction port (13) by the fan (5) exchanges heat with the refrigerant when passing through the heat exchanger (4) to become conditioned air, and is blown through the fan (5). The air is blown out from the exit (6) into the room.

The heat exchanger (4) is composed of a large number of plate-like fins stacked in a horizontal direction with a predetermined fin pitch.
(7) and a heat transfer tube extending in the horizontal direction passing through each fin (7)
(8). Each fin (7) is a first fin piece (7a) having a substantially rectangular shape,
It is divided into a second fin piece (7b) and a third fin piece (7c) and is configured to efficiently exchange heat with air sucked from the upper surface of the suction grill (3) and the unit body (2).

Drain receiving portions (9, 9) are formed below both ends of the heat exchanger (4), respectively.

The fan (5) provided at the center in the longitudinal section of the unit body (2) is composed of a cylindrical cross-flow fan having a large number of blades arranged in a circle. The fan (5) is attached to a fan motor (not shown), and rotates around a central axis of the cylindrical shape, thereby sucking room air from the suction port (13) and blowing the room air from the outlet port (6). Generates airflow.

A plurality of vertical blades (10) and one horizontal blade (11) extending in the longitudinal direction of the air outlet (6) are provided at the air outlet (6) as an air direction adjusting mechanism for adjusting the air direction. Is provided.

A filter (14) is provided between the suction grill (3) and the heat exchanger (4), and between the upper surface of the unit body (2) and the heat exchanger (4). . That is, the filter (14) is provided on the downstream side of the suction port (13), and is installed so as to remove dust and dust contained in the intake air.

As shown in FIG. 1, side hooks (15) are formed at the lower ends of both sides of the suction grill (3). As shown in FIG. 3, the side hook portion (15) is formed by a substantially flat small piece provided on both sides of the suction grill (3).

As a feature of the present invention, the indoor unit (1) is provided with a detachable operation section (16). The attachment / detachment operation section (16) is a part that facilitates transmitting finger pressure for rotating the suction grille (3) to the suction grille (3), and as shown in FIG. Are provided on both side portions of the lower end portion. That is, the detachable operation section (16) is formed obliquely above both sides of the outlet (6). Specifically, the detachment operation section (16) is formed on the horizontal outer sides on both sides of the air outlet (6) so as to have a predetermined space between the air outlet (6).

As shown in FIG. 3, the attaching / detaching operation section (16) includes a concave front hook section (17) formed on the suction grill (3).
And a concave finger insertion groove (18) formed in the unit body (2)
It is composed of The front hooks (17) are provided on both sides of the bottom of the suction grille (3), and are formed in a concave shape from the back side to the front side. Meanwhile, finger insertion groove
(18) is a front hook (17) in the unit body (2).
Are formed in a concave shape from the front side to the back side. The finger insertion groove (18) is a detachable operation part (16)
This is a part for guiding a finger, and facilitates insertion of the finger into the detachable operation section (16). Front hook (17)
The finger inserted is abutted, and the finger pressure from the back side of the suction grille (3) to the front side, that is, such that the front side of the indoor unit (1) is opened by rotating the suction grille (3) in the opening direction. This part receives finger pressure.

Although not shown, a locking claw is provided on the back surface of the suction grille (3), and a grip for gripping the locking claw is provided at a position corresponding to the locking claw on the unit body (2). Part is provided. The suction grille (3) is fixed to the unit body (2) by the engagement between the locking claw and the gripping portion. The engagement between the locking claw and the gripping portion can be easily performed by applying a finger pressure such that the worker rotates the suction grill (3) at the attaching / detaching operation portion (16) or the side hooking portion (15). Is to be released.

Therefore, as shown in FIG.
Or, when removing the suction grille (3),
By inserting a finger into (16) and applying a force to pull the suction grille (3) forward, the suction grille (3) can be easily rotated. That is, the front surface of the unit body (2) can be easily opened only by working in front of the indoor unit (1).

Therefore, even when the indoor unit (1) is installed such that its side surface is close to the wall, the filter (1)
4) Or the suction grill (3) can be easily and quickly cleaned. That is, the maintainability of the indoor unit (1) is improved. Conversely, by improving the maintainability as described above, the indoor unit (1) can be installed at a position close to the wall, so that the degree of freedom of the installation location increases.

Since the filter (14) can be removed and attached while the front surface of the unit body (2) is open as described above, the filter (14) can be easily cleaned. . Also, since the suction grill (3) can be easily removed from the unit body (2),
Cleaning work of the suction grill (3) can be easily performed.

Since the desorption operation section (16) is provided on both sides of the air outlet (6), the flow of air blown out from the air outlet (6) may be disturbed by the desorption operation section (16). Absent. For this reason, the wind direction characteristics of the indoor unit (1) can be maintained satisfactorily, even though the portion that facilitates attachment and detachment is provided on the front side of the indoor unit (1).

The detachable operation section (16) is an indoor unit.
Since they are provided at both ends of (1), their horizontal spacing approximately matches the shoulder width of a normal adult. Therefore, the burden on the operator for rotating the suction grille (3) is small, and the cleaning operation can be performed smoothly.

If there is sufficient space on both sides of the indoor unit (1) for hand, the suction grill (3) is rotated by the side hooks (15) in the same manner as in the prior art. Of course, it can be done.

[0038]

As described above, according to the first aspect, when cleaning the filter or the suction grill, the suction grill is easily rotated by applying a force by hooking a finger on the hook portion. The front surface of the unit body can be opened. Therefore, it is possible to easily rotate the suction grille only by working in front of the suction grille, so that the maintainability can be improved. Also,
Since the air-conditioning unit can be installed at a position where the side surface is close to the wall, the degree of freedom of installation is increased.

According to the second aspect, by inserting the finger into the finger insertion groove, it becomes easy to hook the finger on the hook portion. Therefore, the rotation operation of the suction grille can be further facilitated, and the maintainability can be further improved.

According to the third aspect, with a simple configuration,
A hook for improving maintainability can be obtained.

According to the fourth aspect, the air blown out from the air outlet is not affected by the hook portion, so that the turbulence of the air flow can be reliably prevented.

[Brief description of the drawings]

FIG. 1 is a front view of an indoor unit.

FIG. 2 is a longitudinal sectional view of the indoor unit.

FIG. 3 is a partial perspective view of the indoor unit.

FIG. 4 is a perspective view showing a rotation operation of a suction grill.

FIG. 5 is a front view of a conventional indoor unit.

[Explanation of symbols]

 (1) Indoor unit (2) Unit body (3) Suction grille (4) Heat exchanger (5) Fan (6) Air outlet (13) Suction port (15) Side hook (16) Detachment operation (17 ) Front hook (18) Finger insertion groove

Claims (4)

[Claims] 1. A unit body (2), and the unit body (2)
A wall mounted with a suction grille (3) rotatably mounted on the unit body (2) with a front upper edge portion of the unit body (2) as a fulcrum so as to cover the front surface of the unit body in an openable and closable manner. In the air conditioning unit of the type, the unit main body (2) is provided at the bottom of the suction grill (3).
An air conditioning unit, characterized in that a finger hook (17) for rotating the suction grill (3) in the opening direction is provided for the suction grill (3). 2. The air conditioning unit according to claim 1, wherein a hook (1) of the suction grill (3) in the unit body (2) is provided.
An air conditioning unit, wherein a finger insertion groove (18) for guiding a finger to the hook (17) is formed at a position corresponding to (7). 3. The air conditioning unit according to claim 2, wherein the hook (17) of the suction grill (3) is formed by a recess formed on the back side of the bottom of the suction grill (3). An air conditioning unit characterized by the following. 4. The air conditioning unit according to claim 3, wherein a conditioned air outlet (6) is provided below the suction grille (3) in the unit body (2). The air conditioning unit, wherein the hook portion (17) is formed outside the air outlet (6) in the horizontal direction so as to have a predetermined interval between the air outlet (6) and the hook portion (17).