JPH0979657A - Wall embedded type air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wall embedded type air conditioner facilitating a piping operation at the back of the lower part of an indoor machine by a simple construction and thereby enabling reduction of the cost. SOLUTION: A hooking part 5 is provided on the back side of the upper side of a main-body casing 16 of an indoor machine 1, while a suspending part 4 is provided on the upper side of an installation frame 2 having a square shape viewed from the front. By making the hooking part 5 engage with the suspending part 4, the lower end part of the indoor machine 1 is made rotatable. Then, the indoor machine 1 is tilted so that the lower end part side thereof is positioned in front, and it is fixed temporarily by a pawl part 6. Piping 3 is connected through an opening formed between the back side of the lower part of the indoor machine 1 and the lower side of the installation frame 2. The indoor machine 1 is brought to an upright state thereafter by rotating the lower end side thereof and then moved in parallel rearward to be embedded in a wall. The suspending part 4 and the hooking part 5 are made to have structures making them disengage from each other with the parallel movement.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wall-embedded air conditioner having an indoor unit that is embedded and installed in a wall.

[0002]

2. Description of the Related Art An indoor unit of a wall-embedded air conditioner as described above is installed by being embedded in a wall so that its front surface is exposed to the indoor side. Therefore, it is necessary to connect the on-site pipes after installing the indoor unit from the front of the indoor unit without installing the front grill, etc. There was a space for placing. However, if an attempt is made to secure a piping space in the indoor unit casing in this way, the space for the air circulation structure and the structure arrangement in the casing is reduced, and therefore, when the equipment is made compact, the air conditioning capacity or the wind-sound performance is reduced. There was a problem of obstruction.

As a solution to the above problems, there is an indoor unit of a wall-embedded air conditioner described in Japanese Patent Laid-Open No. 7-158961. FIG.
FIG. 3 is a schematic vertical cross-sectional view of the indoor unit, the main body 31 of which is embedded in a wall 50 via a mounting frame 32, and the front surface of which has a suction port 33a and a blowout port 33b from the indoor side 49 side. A grill 33 is attached. The indoor unit body 31 includes a fan casing 36 having a heat exchanger 34 and a fan rotor 35 of a cross flow fan, and an attaching / detaching portion 38 that is detachably provided below the fan casing 36. The attaching / detaching portion 38, when attached, forms the downstream side of the scroll portion 37 which is continuous from the back side of the fan rotor 35 to the outlet 33b with a smooth slope.

In the wall-embedded air conditioner, the attaching / detaching portion 38 is used.
By not mounting the fan 39 on the fan casing 36, it is possible to easily connect the pipe 39 below the fan casing 36 from the indoor side.
In addition, the space formed at the back of the scroll portion 37 in the state where the attaching / detaching portion 38 is attached to the fan casing 36 is effectively used as a space for disposing the pipe 39, whereby the air conditioning performance and the wind-sound performance are not impaired. It was possible to make the equipment compact.

[0005]

However, in the above-described wall-embedded air conditioner, the indoor unit main body 31 needs to have a divided structure by the fan casing 36 and the detachable portion 38 that is detachable from the fan casing 36. There is. Therefore, there is a problem that the structure of the indoor unit main body 31 becomes complicated and the cost of the entire apparatus increases due to the structure required only during the installation work.

The present invention has been made to solve the above-mentioned conventional drawbacks, and an object thereof is to facilitate piping work in the lower rear portion of an indoor unit with a simple structure, thereby reducing the cost. An object is to provide a possible wall-embedded air conditioner.

[0007]

Therefore, in the wall-embedded air conditioner according to the first aspect, the inside of the wall 50 is so exposed that the front surface is exposed to the room 49 side through the installation frame 2 having a square shape when viewed from the front. In the wall-embedded air conditioner, which has an indoor unit 1 embedded and installed in a room, and a pipe 3 between the indoor unit 1 and the outdoor unit is connected at a lower rear portion of the indoor unit 1. A hanging part 4 is provided at an upper position of the frame 2, and a hooking part 5 that engages with the hanging part 4 is provided at an upper position of the indoor unit 1 so that the lower end side of the hanging part 5 is engaged with the hanging part 4. The indoor unit 1 is tilted so as to be located in the front, so that an opening is formed between the lower portion of the rear surface of the indoor unit 1 and the installation frame 2.

In the wall-embedded air conditioner according to claim 1,
By engaging the hanging portion 4 and the hook portion 5, it is possible to attach the indoor unit 1 by forming an opening between the lower rear portion and the installation frame 2 in the vicinity of the original installation position. Therefore, the pipe 3 can be easily connected through the opening with a simple configuration.

Further, in the wall-embedded air conditioner according to a second aspect of the present invention, the hanging portion 4 and the hooking portion 5 are constructed so that the lower end side of the indoor unit 1 can be rotated by engaging both of them with each other. Further, the indoor unit 1 which has been turned from the inclined state to the upright state by this rotation is characterized in that the back side thereof is housed in the installation frame 2.

The term "inclined state" here means that an opening is formed between the lower portion of the rear surface of the indoor unit 1 and the installation frame 2, and the pipe 3
Is a state in which the connection can be easily made. The upright state means a state in which the indoor unit 1 is not inclined and can be embedded and installed in the wall 50 by moving as it is.

According to the wall of the second aspect, the indoor unit 1 is rotated to change from the inclined state to the upright state, and in the upright state, the back side thereof is housed in the installation frame 2. Therefore, the installation work of the indoor unit 1 after the completion of the piping work can be smoothly performed.

Furthermore, the wall-embedded air conditioner of claim 3 is
The installation frame 2 is provided with a claw portion 6 configured to be retractable inside the installation frame 2, and rotation of the inclined indoor unit 1 in the upright direction is restricted by projecting the claw portion 6, and the indoor unit 1 Is characterized in that it can be temporarily fixed in the inclined state.

Here, the claw portion can be constructed by bending a part of the front surface side of the installation frame 2 inwardly by a hinge, for example.

In the wall-embedded air conditioner according to a fourth aspect, the claw portion 6 is constructed so that it can be retracted into and out of the indoor unit 1.
Is provided, the rotation of the tilted indoor unit 1 in the upright direction is restricted by projecting the claw portion 6, and the indoor unit 1 can be temporarily fixed in the tilted state.

Here, the claw portion 6 can be constructed by, for example, rotatably attaching one end of a long member to a side end portion of the back surface of the indoor unit 1.

In the wall-embedded air conditioner according to claim 3 or 4, the pawl portion 6 can temporarily fix the indoor unit 1 in the inclined state. Therefore, it becomes possible to further easily connect the pipes with a simple structure.

The wall-embedded air conditioner according to a fifth aspect of the present invention is characterized in that the hanging portion 4 and the hook portion 5 are configured so that the hook portion 5 is hooked from behind the hanging portion 4.

In the wall-embedded air conditioner according to claim 5,
Since the hanging portion 4 and the hooking portion 5 are configured to engage with each other from the rear side, the indoor unit 1 in the upright state is moved to the rear side by the wall 50.
The above engagement can be removed by pushing it in. Therefore, the installation work of the indoor unit 1 can be made smoother.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, specific embodiments of the wall-embedded air conditioner of the present invention will be described in detail with reference to the drawings.

FIG. 11 shows an indoor unit of the wall-embedded air conditioner installed by being embedded in a wall, (a) is a front view with a front grill removed, and (b) is a front view. Is a transparent side view. This indoor unit 1 has a main body casing 1
6 is embedded in the wall 50 through the installation frame 2 having a square shape when viewed from the front, that is, from the room 49 side, and the front surface of the room 49
A front grill 13 having a suction port 13a and a blowout port 13b is attached from the side. A heat exchanger 14 and a fan rotor 15 of a cross flow fan are provided in the main body casing 16, and a scroll portion 17 that is continuously inclined from the back side of the fan rotor 15 to the outlet 13b is provided. Has been formed. Further, the indoor unit 1 is configured to be connected to an outdoor unit (not shown) by a pipe 3 such as a connecting pipe and an auxiliary pipe. The pipe 3 is connected to the back of the scroll portion 17. The space S thus formed is used for arrangement. Further, a hanging portion 4 is provided on the upper side of the installation frame 2, and a hooking portion 5 is provided on the back side of the upper surface of the main body casing 16, which will be described later. In the figure, 19 is a drain pan.

FIG. 3 is an enlarged perspective view showing the hanging portion 4 and the hook portion 5. The hanging portion 4 is formed in a substantially L shape and is provided on the lower surface of the upper side of the installation frame 2. A hanging concave portion 4a is formed in the bent portion, and a hanging guide 4b connected to the hanging concave portion 4a and extending rearward is formed behind the bent portion. On the other hand, the hooking portion 5 is formed in a flat rectangular shape, and the front side thereof is bent so as to incline obliquely upward so that the upper side thereof is the hooking side 5c, and the rear side of the bending portion is the main body casing of the indoor unit 1. 16 is fixed to the upper surface. Then, the hooking side 5c is moved forward from the rear of the hanging portion 4 along the hanging guide 4b, and is pivotally attached to the hanging concave portion 4a, so that the hooking portion 5 is hooked on the hanging portion 4. It is like this. FIG. 5 is a side view showing a state in which the hook portion 5 is hooked on the hanging portion 4 as described above. Since this hooking is performed by pivotally attaching the hooking side 5a to the hanging recess 4a, the lower end side of the indoor unit 1 is rotatable around this pivoting portion 7 as a fulcrum. Further, the hooking is performed by moving the hooking part 5 from the rear side of the hanging part 4 to the front side, but the pulling-out is also performed by moving the hooking part 5 to the rear side of the hanging part 4. You can Further, the hook portion 5 is shown in FIG.
As shown in the figure, it is composed of a rod-shaped member with a circular cross section,
This may be configured by processing a flat plate-shaped member as shown in FIG.

9A and 9B show the claw portions 6 provided on the front sides of both sides of the installation frame 2. FIG. 9A is an enlarged perspective view thereof, and FIG. 9B is a rear view thereof. The claw portion 6 is located slightly on the lower end side of the central portion of the indoor unit 1 in which the hook portion 5 is hooked on the hanging portion 4. The claw portion 6 is configured to be fixable both in a state where it is projected inside the installation frame 2 by bending the hinge 6a and in a state where it is connected to the side of the installation frame 2 and does not project inside. ing. The claw portion 6 protruding and fixed in the installation frame 2 contacts the rear surface of the indoor unit 1 from the rear side, and the lower end portion thereof is restricted from rotating rearward.

Next, the installation work of the indoor unit 1 will be described. First, as shown in FIG.
Hang from behind. Then, the indoor unit 1 is tilted so that its lower end side is located forward, and the claw portions 6 provided on both sides of the installation frame 2 are fixed in a state of protruding into the installation frame 2, whereby the indoor unit is tilted. The rear position of 1 is regulated, and the indoor unit 1 is temporarily fixed in an inclined state. In this state, an opening is formed between the lower part of the rear surface of the indoor unit 1 and the lower side of the installation frame 2 so that the piping space S and the room 49 communicate with each other. Therefore, the connecting work of the pipe 3 is performed from the room 49 side in the pipe space S through the opening. By the way, this piping work is performed by the heat exchanger 14 (see FIG. 11) of the indoor unit 1.
The auxiliary pipe connected to the outdoor unit (not shown) and a connecting pipe provided between the outdoor unit (not shown) are connected using a flare nut, and the surroundings thereof are heat-insulated and coated. The inclination angle A in the inclined state is about 15 ° to 20 °, and an opening sufficient for easily fastening the flare nut by two hooks of the spanner, heat insulating coating, etc. is formed.
Therefore, it is possible to easily perform the piping work with a simple structure without the main casing 16 having the divided structure as in the above-described conventional example, and thus it is possible to reduce the cost. Further, since the pipe 3 is arranged by effectively utilizing the pipe space S formed at the back of the scroll portion 17, it is possible to make the device compact without impairing the air conditioning performance and the wind-sound performance.

When the above piping work is completed, the claw 6 is not bent by the hinge 6a, and the rearward rotation restriction of the lower end of the indoor unit 1 is released. Then, by rotating the lower end side of the indoor unit 1, the tilted state is changed to the upright state. FIG. 2 is a side view of the indoor unit 1 showing this upright state. Since the hooking portion 5 is provided on the back side of the upper surface of the main body casing 16, the indoor unit 1 is located somewhat forward of the original installation position, and the back side is housed in the installation frame 2. . Therefore, in order to dispose the indoor unit 1 at the installation position within the wall 50, it suffices to translate the indoor unit 1 rearward along the installation frame 2 as it is, so that installation workability can be improved. Moreover, since the hook portion 5 and the hanging portion 4 are pulled out by moving the hook portion 5 to the rear of the hanging portion 4, the indoor unit 1 is moved into the wall 50 along the installation frame 2. At the same time, the above engagement can be removed. Therefore, it is possible to reduce the number of man-hours and make the installation work easy and smooth.

Although specific embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be carried out within the scope of the present invention. For example, in the above-mentioned embodiment, as shown in FIG. 3, the hanging portion 4 is formed in an L-shape, and the hooking portion 5 is formed by a rod-shaped member having a circular cross section. The shape may be as shown in the perspective view. That is, the hanging part 4 is formed of a rod-shaped member, and the rear side thereof is bent so as to be inclined obliquely downward so that the lower side is the hanging side 4c, and the front side of the bent part is the installation frame 2
It is fixed to the upper side of. On the other hand, the hook portion 5 is formed in a substantially L shape and is provided on the back side of the upper surface of the main body casing 16, and a hook recess 5a is formed in the bent portion, and the hook recess 5a is formed in front of the bent portion. Is formed with a hooking guide 5b extending forward. Further, the hanging portion 4 may be formed by processing a flat plate-shaped member as shown in FIG. FIG. 8 is a side view showing a state in which the hooking portion 5 is hooked on the hanging portion 4 in the modified embodiment. Also in this embodiment, since the hooking concave portion 5a is pivotally attached to the hanging side 4c, the lower end side of the indoor unit 1 is rotatable around the pivoting portion 7 as a fulcrum. Further, the above-mentioned engagement is performed by moving the hook portion 5 from the rear side to the front side of the hanging portion 4 in the same manner as in the embodiment shown in FIG. You can do the same.

FIG. 10 is a rear view of the indoor unit 1 showing a modification of the claw portion 6. In this embodiment, the claw portion 6 is formed of a long member, and one end of the claw portion 6 is rotatably attached to the side end portion of the back surface of the indoor unit 1. At the time of the piping work shown in FIG. 1, the lower end of the indoor unit 1 is rotated by rotating the claw portion 6 so that the other end side is projected to the outside of the indoor unit 1 and brought into contact with the side of the installation frame 2 from the front. The rearward rotation of the section is restricted. Further, in the case of the upright state shown in FIG. 2, the claw portion 6 is rotated again so as not to project to the outside of the indoor unit 1.

[0027]

In the wall-embedded air conditioner according to the first aspect of the present invention, the piping work can be facilitated with a simple structure, so that the cost can be reduced.

According to the wall-embedded air conditioner of claim 2,
It becomes possible to improve the installation workability.

Furthermore, in the wall-embedded air conditioner according to claim 3 or 4, it is possible to further improve the workability of piping.

In the wall-embedded air conditioner according to the fifth aspect, it is possible to further improve the installation workability.

[Brief description of drawings]

FIG. 1 is a side view showing a tilted state of an indoor unit in an embodiment of a wall-embedded air conditioner of the present invention.

FIG. 2 is a side view showing an upright state of the indoor unit.

FIG. 3 is an enlarged perspective view showing a hanging portion and a hook portion of the wall-embedded air conditioner.

FIG. 4 is a perspective view showing a modified example of the hook portion.

FIG. 5 is a partial side view showing a state in which the hanging portion and the hook portion are engaged with each other.

FIG. 6 is an enlarged perspective view showing a hanging portion and a hooking portion in a modification of the wall-embedded air conditioner.

FIG. 7 is a perspective view showing a modified example of the hook portion.

FIG. 8 is a partial side view showing a state in which the hanging portion and the hooking portion are engaged with each other.

FIG. 9 shows a claw portion of the wall-embedded air conditioner, (a)
Is an enlarged perspective view and (b) is a rear view.

FIG. 10 is a partial rear view showing a modified example of the claw portion.

FIG. 11 shows an indoor unit of the wall-embedded air conditioner installed in a wall, (a) is a front view, and (b) is a transparent side view.

FIG. 12 is a schematic vertical cross-sectional view showing an indoor unit of a conventional wall-embedded air conditioner.

[Explanation of symbols]

 1 Indoor unit 2 Installation frame 3 Piping 4 Suspended part 5 Hook part 6 Claw part 49 Indoor 50 wall

Claims (5)

[Claims] 1. A wall (50) so that its front surface is exposed to the room (49) side through a square-shaped installation frame (2) when viewed from the front.
An indoor unit (1) which is embedded and installed in a room, and a pipe (3) between the indoor unit (1) and the outdoor unit is connected at a lower rear portion of the indoor unit (1). In the built-in air conditioner, a hanging part (4) is provided at an upper position of the installation frame (2), and a hooking part (5) that is engaged with the hanging part (4) at an upper position of the indoor unit (1). Is provided, and the hooking part (5) is engaged with the hanging part (4) so that the indoor unit (1) is inclined so that the lower end side thereof is positioned in the front, whereby the rear lower part of the indoor unit (1) and the installation frame are installed. A wall-embedded air conditioner characterized in that an opening is formed between the air conditioner and (2). 2. The hanging part (4) and the hooking part (5) are
The lower end side of the indoor unit (1) is configured to be rotatable by engaging the both (4) and (5), and further, the indoor unit (1) that is brought from the tilted state to the upright state by the rotation is provided. The wall-embedded air conditioner according to claim 1, wherein the back side is housed in the installation frame (2). 3. The installation frame (2) is provided with a claw portion (6) configured to be retractable inside the installation frame (2), and the inclined indoor unit (1) can be rotated in the upright direction by the claw portion (6). The wall-embedded air conditioner according to claim 2, wherein the indoor unit (1) can be temporarily fixed in the inclined state by restricting the protrusion (6). 4. The indoor unit (1) is provided with a claw portion (6) configured so as to be able to project and retract outside thereof, and the tilted indoor unit (1) is rotated in the upright direction by the claw portion (6). ) Is made to project, and the indoor unit (1) can be temporarily fixed in the inclined state, and the wall-embedded air conditioner according to claim 2. 5. The hanging part (4) and the hooking part (5) are
The wall-embedded air conditioner according to any one of claims 2 to 4, wherein the hooking portion (5) is configured to be hooked from behind the hanging portion (4).