JPH08114352A - Indoor device installing structure - Google Patents

Abstract

PURPOSE: To provide an indoor device installing structure of which installing operation can be performed well and of which outer appearance is superior. CONSTITUTION: An upper part of a frame 31 of an indoor device is provided with an engaging claw 38 and in turn a central part of the frame is provided with an engaging member 40. An installing plate 41 is comprised of a base plate 41a and a removal plate 41b. The installing plate 41 is fixed by a fixing screw 44. Then, a frame fixing surface 47a is formed inside the extremity end of the removal plate 41b. In this way, the removal plate 41b is fixed to the base plate 41a with the fixing screw 44 to enable a refrigerant pipe 37 to be gradually and positively stored with a screw force of the fixing screw 44 even if the refrigerant pipe 37 of poor arranging characteristic is apt to be out of the device. In addition, it is also possible to improve the outer appearance and the quality by covering a fixing screw 45 for use in fixing the frame 31 to the removal plate 41b with a front surface grill 33.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inexpensive indoor unit mounting structure that facilitates installation work and has a good appearance.

[0002]

2. Description of the Related Art Conventionally, a wall-mounted indoor unit is installed as follows. FIG. 4 shows an installation structure of an indoor unit by a hooking method. In FIG. 4, hooking pieces 3 and 4 are provided above and below the back surface 2 of the frame of the indoor unit 1.
And the hooking pieces 3 and 4 of the rear surface portion 2 are engaged with the engaging pieces 8 and 9 formed by bending the upper and lower ends of the installation plate 7 that is installed on the indoor wall surface 6. Attach to wall 6. At that time, the refrigerant pipe 10 connected to the heat exchanger 11 is housed in the space formed between the lower hooking piece 4 and the bottom portion 12 of the back surface portion 2 of the frame.

FIG. 5 shows an installation structure of an indoor unit by a screwing method. In FIG. 5, the frame of the indoor unit 15 is formed to be separable into a rear frame 16 and a bottom frame 17. The hook 18 is provided on the upper end of the rear frame 16, while the screw holes are provided on the front and rear ends of the bottom frame 17. When the indoor unit having the above structure is attached to the indoor wall surface 19, the following is performed. That is, the heat exchanger 22 is attached to the engagement piece 21 formed by bending the upper end of the installation plate 20 attached to the indoor wall surface 19.
The hooking pieces 18 of the back frame 16 to which the above are attached are engaged and temporarily fixed. Then, after the piping work for the heat exchanger 22 is performed, the bottom frame 17 is screwed to the rear end of the front grill 23 and the lower end of the installation plate 20 with screws 24, 24, so that the indoor unit 15 is fixed to the indoor wall surface 19. Attach to. In this way, the refrigerant pipe 25 is housed in the space formed on the bottom frame 17.

[0004]

However, the conventional indoor unit installation structure described above has the following problems. In the case of the hooking method, the back surface 2 of the frame
The upper hooking piece 3 is engaged with the upper engaging piece 8 of the installation plate 7 to temporarily fix the indoor unit to perform the piping work. At that time, if the length of the refrigerant pipe 10 is long, the cohesion is poor,
In some cases, the refrigerant pipe 10 cannot be completely contained in the space. In that case, the lower part of the frame is pressed against the interior wall 6 side, and the lower hooking piece 4 of the rear part 2 of the frame is attached to the installation plate 7.
The work of engaging with the lower engaging piece 9 is extremely difficult.

Further, in the case of the screwing method, it is necessary to form the frame so that it can be separated into the rear frame 16 and the bottom frame 17, and the conventionally used molding die must be changed. There is a problem of increasing costs. Further, since the bottom frame 17 that is easily seen by the user is screwed, there is a problem that the screws 24, 24 are exposed and the appearance quality is deteriorated.

Therefore, an object of the present invention is to provide an installation structure for an indoor unit, which has good installation workability and appearance quality, and suppresses an increase in manufacturing cost.

[0007]

In order to achieve the above object, the invention according to claim 1 is an indoor unit installation structure for installing an indoor unit of an air conditioner on an indoor wall, as illustrated in FIG. And a frame which is fixed to the wall surface and has an engaging portion 42 formed on the upper portion thereof, and a frame which extends in a direction substantially perpendicular to the extending direction of the substrate 41a and is bent inward at one end. A fixing surface 47a for fixing is formed, and the frame 31 of the indoor unit is fixed to the fixing screw 47 on the fixing surface 47a.
And a detachable plate 41b which is fixed by a mounting plate 4 which is detachably connected by a fixing screw 44 to the lower end of the substrate 41a and the other end of the detachable plate 41b.
1, the frame 31 of the indoor unit has an engaging claw 38 that engages with an engaging portion 42 formed on the base plate 41a of the installation plate 41 from above, and the removal plate 41.
It is characterized in that the portion fixed to the fixed surface 47a in b is covered by the front grill 33 of the indoor unit.

The invention according to claim 2 is, as illustrated in FIG. 3, an indoor unit installation structure for installing an indoor unit of an air conditioner on an indoor wall, wherein one plate is bent at a substantially right angle. In addition, an engaging portion 55 is formed on the upper portion of the vertical plate 54a that is fixed to the wall surface, while the end of the horizontal plate 54b extending in the direction perpendicular to the vertical plate 54a is bent inward. A fixing surface for fixing the frame is formed, and a fixing plate 54 to which the frame 51 of the indoor unit is fixed by a fixing screw 60 is provided on the fixing surface. The engaging portion 55 formed on the plate 54a has an engaging claw 57 that engages from the upper side, and the portion fixed to the fixing surface of the horizontal plate 54b of the installation plate 54 is fixed by the front grill 53 of the indoor unit. Characterized by being covered It is.

[0009]

In the invention according to claim 1, when the indoor unit is installed on the indoor wall, the board 41a of the installation plate 41 is first fixed to the wall surface, and the engaging portion 42 at the upper part of the board 41a is provided with the frame of the indoor unit. The engaging claw 38 of 31 is engaged from the upper side to temporarily fix the frame 31. Then, when the piping work is completed, the other end of the removal plate 41b is fixed to the lower end of the substrate 41a by the fixing screw 44 to hold the refrigerant pipe and the like from the lower side and cover it. At this time, the refrigerant pipe or the like is gradually and surely pushed up by the screw force of the fixing screw 44 via the removal plate 41b and is completely housed in the frame 31.

After that, the lower side of the frame 31 is pressed against the wall side and fixed to the fixing surface 47a located inside the removal plate 41b by the fixing screw 45. Further, a front grill 33 is attached to the front surface of the frame 31. As a result, the fixing screw 4 for fixing the frame 31 to the fixing surface 47a of the removing plate 41b.
5 is covered with the front grill 33 and is invisible.

According to the second aspect of the invention, first, the vertical plate 54a of the installation plate 54 is fixed to the wall surface.
The engaging claw 57 of the frame 51 of the indoor unit is engaged with the engaging portion 55 at the upper portion of 4a from above so that the frame 51 is temporarily fixed. Then, when the piping work is completed, the lower side of the frame 51 is pressed against the wall side, and the fixing screw 60 is attached to the fixing surface inside the tip of the horizontal plate 54b of the installation plate 54.
Fixed at. Further, a front grill 53 is attached to the front surface of the frame 51. As a result, the above frame 5
The fixing screw 60 which fixes 1 to the fixing surface of the horizontal plate 54b is covered with the front grill 53 and becomes invisible.

[0012]

The present invention will be described in detail below with reference to the embodiments shown in the drawings. FIG. 1 is a cross-sectional view showing the installation structure of the indoor unit of this embodiment.

In FIG. 1, reference numeral 31 is a frame of an indoor unit, the upper side of which extends in a direction perpendicular to the ceiling frame 31a.
Has formed. On the other hand, the lower side extends in the same direction as the ceiling frame 31a to form a bottom frame 31b. Also,
A front grill 33 is attached to the front surface to form the outer shell of the indoor unit.

A heat exchanger 34, a fan 35, a drain pan 36, etc. are attached to the frame 31. A refrigerant pipe 37 is connected to the heat exchanger 34. Also,
An engaging claw 38 is provided at the tip of the ceiling frame 31a of the frame 31 so as to project inward, and at a portion of the frame 31 for guiding blown air, the engaging claw 38 projects in the same direction as the ceiling frame 31a. Two engagement members 40 having 39 are provided.

The indoor unit having the above structure is fixed to the installation plate 41 attached to the indoor wall. This installation plate 41 is
Substrate 41a attached to the indoor wall and this substrate 41a
And a detachable plate 41b that is detachably attached to the lower end of the so as to project forward. An upper end portion of the board 41a is bent inward to form a hook portion 42 serving as the engaging portion, and a lower portion thereof is bent inward in a rectangular shape to form two hooks 43, 43 serving as the engaging portion (see FIG. 1 in which only one appears). Also, the substrate 41a
Has a lower end bent outward at about 45 degrees with respect to the surface of the substrate 41a.

On the other hand, one end of the removing plate 41b is bent outward at about 45 degrees with respect to the surface of the removing plate 41b. By mounting this bent portion on the bent portion of the substrate 41a and fixing it with the fixing screw 44, the removal plate 41b is attached to the lower end of the substrate 41a.
Further, a mounting portion 47 formed by bending a right-angled triangle inside is formed on the side opposite to the bent portion of the detachable plate 41b, and a front surface (corresponding to the fixed surface) 47 of the mounting portion 47 is formed.
The lower end of the frame 31 is fixed to a by a fixing screw 45.

It should be noted that the front grill 33 has an upper side by means of an engaging means (not shown) of the ceiling frame 31 of the frame 31.
While engaging a, fix the lower unobtrusive part with the fixing screw 4
By fixing to the bottom frame 31b at 6, it is attached to the frame 31 of the indoor unit.

The indoor unit having the above structure is installed on the indoor wall as shown in FIG. That is, the board 41a of the installation plate 41 is fixed to the indoor wall by screws or the like.
Then, the ceiling frame 3 in the frame 31 to which the heat exchanger 34, the fan 35, the drain pan 36, etc. are attached.
The engaging claw 38 of 1a is hooked on the hook portion 42 provided on the substrate 41a of the installation plate 41, and the frame 31 is temporarily fixed. Then, in this state, the refrigerant pipe 37 is connected to the heat exchanger 34.

In this way, when the refrigerant pipe 37 is attached, the refrigerant pipe 37 is organized on the back side of the frame 31 in a good appearance and held by the removal plate 41b of the installation plate 41.
At this time, the detachable plate 41b is fixed by the fixing screw 44 by superimposing the bent portion of the tip thereof on the bent portion of the lower portion of the substrate 41a. Therefore, when fixing the removal plate 41b, even if the refrigerant pipe 37 slightly protrudes downward from the attachment position of the removal plate 41b, the removal plate 41b is gradually and reliably lifted to the predetermined position by the screw force of the fixing screw 44. The refrigerant pipe 37 can be easily pushed into the space and can be stored tightly.

In this way, when the removal plate 41b is attached to the substrate 41a of the installation plate 41 and the refrigerant pipe 37 is securely held, the lower portion of the main body frame 31 is pressed against the wall side so that it is provided on the frame 31. The engaging claws 39, 39 of the two engaging members 40, 40 are engaged with the hooks 43, 43 of the board 41a. In this way, the frame 31 is attached to the installation plate 41. At that time, the refrigerant pipe 3
Since 7 is housed in the removal plate 41b, the frame 31 can be easily attached. Furthermore, since the frame 31 has an integral structure and the conventional frame can be used as it is, the increase in manufacturing cost can be suppressed.

After that, on the fixing surface 47a of the mounting portion 47 forming a right triangle in the front portion of the detaching plate 41b,
The lower end of the frame 31 is fixed by the fixing screw 45. The front grill 33 is attached by engaging the above-mentioned engaging means on the upper side of the front grill 33 with the ceiling frame 31a of the frame 31 and fixing the lower side to the bottom frame 31b with the fixing screw 46. As a result, the fixing screw 4 for attaching the frame 31 to the installation plate 41
5, 45 are covered with the front grill 33 and are not visible, and the appearance quality is improved. Since the fixing screw 46 for attaching the front grill 33 is attached to an originally inconspicuous place, it does not cause a deterioration in appearance quality.

As described above, in this embodiment, the installation plate 41 is provided with the board 41a mounted on the wall surface and the board 4a.
It is composed of a removal plate 41b which is fixed to the lower end of 1a by a fixing screw 44 and extends forward. And the removal plate 4
Since 1b is attached after the piping work, the above-mentioned piping work can be performed with good workability. Further, since the fixing screw 45 for fixing the main body frame 31 to the removal plate 41b is covered by the front grill 33, the indoor unit can be attached to the installation plate 41 without impairing the appearance quality. Further, even when the refrigerant pipe 37 is not well united and is likely to protrude, the removal plate 41b of the installation plate 41 is fixed to the fixing screw 44.
Since it is fixed with, the screw force of the fixing screw 44 can be gradually and surely stored firmly.

FIG. 3 shows an embodiment in which the installation plate is integrally formed. The frame 51 and the front grill 53 in FIG.
Has the same structure as the frame 31 and the front grill 33 in FIG.

The installation plate 54 in the present embodiment is formed of a vertical plate 54a and a horizontal plate 54b by bending one plate at a right angle, and the removal plate 41b is fixed to the lower end of the substrate 41a in FIG. It has substantially the same form as the constructed installation plate 41. And the vertical plate 54a of the installation plate 54
1 is provided with a hook portion 55 and a hook 56, which are similar to those of the board 41a in FIG.

Further, inside the tip of the horizontal plate 54b, a right-angled triangle mounting portion 59 similar to the detaching plate 41b in FIG. 1 is provided, and the frame 51 is fixed by a fixing screw 60.

The installation plate 54 having the above structure can be easily formed by bending a single plate, so that the manufacturing cost can be reduced. In addition, since it has an integrated structure, the number of mounting steps can be reduced.

The hook portions 42, 55 provided on the installation plates 41, 54 are formed by bending the upper ends inward. However, the shapes and numbers of the hook portions 42, 55 and the hooks 43, 56 are not limited to the shapes and numbers shown in FIG.

[0028]

As is apparent from the above, in the installation structure of the indoor unit according to the first aspect of the present invention, the installation plate is composed of the substrate and the removal plate which are detachably connected at a right angle by the fixing screw. Therefore, the piping work can be performed with the removal plate removed, and the removal plate can be attached to the substrate with the fixing screw after the piping work is completed. Therefore, even when the refrigerant pipe is hard to fit in the frame, the refrigerant pipe can be pushed up gradually and reliably by the screw force of the fixing screw to be firmly housed in the frame.

Further, a fixing surface for fixing the frame is formed inside the tip of the removal plate of the installation plate, and
Since the part of the frame fixed to this fixing surface is covered with the front grill, when the frame is fixed to the fixing surface of the removal plate with the fixing screw, the fixing screw is covered with the front grill. The appearance quality is improved. Further, the above frame is integrally formed and has the same structure as the conventional frame, so that no particular design change is required. Therefore, according to the present invention, it is possible to prevent an unnecessary increase in the manufacturing cost on the indoor unit side.

The indoor unit installation structure according to the second aspect of the invention is such that one plate is bent at a substantially right angle to form an installation plate, and the inside of the end of the horizontal plate to which the frame of the indoor unit is fixed is fixed. Since a fixing surface for fixing the frame is formed in the frame, and the portion of the frame fixed to this fixing surface is covered by the front grill, the frame is fixed to the fixing surface of the removal plate with the fixing screw. When this is done, the fixing screws are covered with the front grille and cannot be seen, improving the appearance quality. At that time, even when the refrigerant pipe is difficult to fit in the frame, the refrigerant pipe can be gradually and surely pushed by the screw force of the fixing screw to be housed in the frame.

Furthermore, since the installation plate is formed of one plate, the manufacturing cost of the installation plate and the number of installation steps can be reduced as compared with the invention according to claim 1. Further, the above frame is integrally formed and has the same structure as the conventional frame, so that no particular design change is required. Therefore, according to the present invention, it is possible to prevent an unnecessary increase in manufacturing cost.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an embodiment of an indoor unit installation structure of the present invention.

FIG. 2 is an assembly explanatory diagram of each part shown in FIG.

FIG. 3 is a cross-sectional view showing an installation structure of an indoor unit different from that in FIG.

FIG. 4 is a view showing an installation structure of an indoor unit by a conventional hooking method.

FIG. 5 is a view showing an installation structure of an indoor unit by a conventional screwing method.

[Explanation of symbols]

31, 51 ... Frame, 31a, 51a ... Ceiling frame, 31b, 51b ... Bottom frame, 3
3,53 ... Front grill, 37 ... Refrigerant pipe,
38, 57 ... engaging claws, 40, 58 ... engaging members,
41, 54 ... Installation plate, 41a ... Substrate,
41b ... Removal plate, 42, 55 ... Hook part, 43, 56 ... Hook, 44 ... Fixing screw, 47, 59 ... Attachment part, 54a ... Vertical plate, 54b ... Horizontal plate.

Claims (2)

[Claims] 1. An indoor unit installation structure for installing an indoor unit of an air conditioner on an indoor wall, the substrate (41a) fixed to a wall surface and having an engaging portion (42) formed on an upper portion thereof, A fixing surface (47a) for fixing the frame is formed at one end, which extends in a direction substantially perpendicular to the extending direction of the substrate (41a) and is formed by bending inward.
The frame (31) of the indoor unit is fixed to the (47a) with the fixing screw (4
5) A detachable plate (41b) fixed by means of a detachable plate (41b), and the lower end of the substrate (41a) and the other end of the detachable plate (41b) are detachably connected by a fixing screw (44). The frame (31) of the indoor unit is provided with (41), and the engaging claw (38) is engaged with the engaging portion (42) formed on the substrate (41a) of the installation plate (41) from above. And the removal plate (41
An indoor unit mounting structure characterized in that a portion fixed to the fixing surface (47a) in b) is covered by a front grill (33) of the indoor unit. 2. An indoor unit installation structure for installing an indoor unit of an air conditioner on an indoor wall, which is formed by bending one plate at a substantially right angle, and which is an upper part of a vertical plate (54a) fixed to the wall surface. An engaging portion (55) is formed on the front side of the horizontal plate (54b) extending in a direction perpendicular to the vertical plate (54a), and a fixing surface for fixing the frame formed by bending the frame inward is formed at the end of the horizontal plate (54b). The indoor unit frame (51) is provided with an installation plate (54) fixed to the fixing surface by a fixing screw (60), and the indoor unit frame (51) includes the installation plate (54). The engaging portion (55) formed on the vertical plate (54a) has an engaging claw (57) that engages from above, and is fixed to the fixed surface of the horizontal plate (54b) of the installation plate (54). A structure for mounting an indoor unit, wherein a portion to be covered is covered by a front grill (53) of the indoor unit.