CN105765314B - indoor unit - Google Patents

Abstract

In existing indoor set, housing to leave wall in the way of move, gap is produced between housing and wall, there is a problem of aesthetic appearance be deteriorated.The indoor set has the installing plate (2) being fixed on wall and the underframe (10) (housing) being installed on installing plate (2).Also, underframe (10) (housing) has the screw hole (73 76) (screw fixed part) for the underframe (10) (housing) to be fixed on the wall of interior.

Description

indoor unit

technical field

The present invention relates to indoor units such as air conditioners.

Background technique

As a conventional indoor unit, there is a wall-mounted indoor unit installed on a wall surface of a room. The indoor unit has a mounting plate fixed on a wall surface of the room, and a housing mounted on the mounting plate.

In the existing indoor units, the mounting plate is mostly fixed to the indoor wall by screws at the upper and lower ends of the mounting plate, and the housing is mostly fixed by fitting parts (claws) arranged on the upper and lower ends of the mounting plate. on the mounting plate. In addition, in conventional indoors, pipes connected to the outdoor unit are usually arranged between the mounting plate and the housing.

prior art literature

patent documents

Patent Document 1: Japanese Patent Application Laid-Open No. 10-185298

Contents of the invention

The problem to be solved by the invention

In the above-mentioned indoor unit, for example, in the case of using a structure in which the lower portion of the mounting plate has a cutout portion that does not face the back of the housing as the mounting plate, it can be considered that the piping connected to the outdoor unit passes through the cutout of the mounting plate. Some protrude toward the wall. At this time, there is a recess on the wall surface of the room facing the lower part of the mounting plate, and the lower part of the mounting plate cannot be fixed to the wall with screws, or the lower part of the mounting plate is forgotten to be fixed with screws, etc. , the casing moves away from the wall surface together with the mounting plate, and a gap is generated between the casing and the wall surface, resulting in a problem of poor appearance.

In addition, for example, if the fitting state between the mounting plate and the housing is loose, the housing will move away from the mounting plate due to the weight of the indoor unit, and a gap will be generated between the housing and the wall surface, resulting in a change in appearance. bad question.

Therefore, an object of the present invention is to provide an indoor unit capable of preventing a gap from being generated between a casing and a wall surface.

means to solve the problem

The indoor unit according to the first aspect of the present invention is characterized in that the indoor unit has: a mounting plate fixed to the wall surface; and a casing mounted on the mounting plate, and the casing has a Screw fixing part on the wall.

In this indoor unit, since the case is fixed to the wall surface of the room with screws, it is possible to prevent a gap from being generated between the case and the wall surface. As a result, the appearance of the indoor unit is improved.

In the indoor unit of the second aspect of the present invention, in the indoor unit of the first aspect, the screw fixing portion is arranged on the outer side of the longitudinal end of the mounting plate.

In this indoor unit, since the screw fixing portion is disposed outside the longitudinal end of the mounting plate, it is difficult to see the mounting plate from the side when the housing is fixed to the indoor wall surface.

In the indoor unit according to claim 3 of the present invention, in the indoor unit according to claim 2, the housing has a protruding portion that faces toward the rear side at a position outside a longitudinal end of the mounting plate. protrude.

In this indoor unit, since the mounting plate is interposed between the housing and the indoor wall, there is a gap between the housing and the indoor wall at a position outside the longitudinal end of the mounting plate. When the housing is fixed to the wall surface of the chamber, the protruding portion of the housing is supported by the wall surface, so that the outer portion of the housing can be prevented from being deformed so as to warp toward the wall surface. Also, it is difficult to see the mounting plate from the side.

In the indoor unit according to claim 4 of the present invention, in the indoor unit according to claim 3, the screw fixing portion is disposed on the protruding portion.

In this indoor unit, the outer portion of the casing is less likely to be deformed to be warped toward the wall surface than when the screw fixing portion is arranged on the outer side in the longitudinal direction than the protruding portion.

In the indoor unit according to claim 5 of the present invention, in the indoor unit according to claim 3, the screw fixing portion is arranged between the end portion in the longitudinal direction of the mounting plate and the protruding portion.

In this indoor unit, the outer portion of the casing is less likely to be deformed to be warped toward the wall surface than when the screw fixing portion is arranged on the outer side in the longitudinal direction than the protruding portion.

The indoor unit according to claim 6 of the present invention is the indoor unit according to any one of claims 3 to 5, wherein the protruding portion is located substantially over the entire range in the height direction of the casing.

In this indoor unit, since the protruding portion is located substantially throughout the height direction of the housing, it is difficult to see the mounting plate from the side.

The indoor unit according to claim 7 of the present invention is the indoor unit according to any one of claims 2 to 6, wherein a notch for drawing out a pipe is formed on the casing, and the notch is formed on the casing. The rear side of the mounting plate is located on the outer side of the longitudinal end of the mounting plate and extends in the height direction, and the screw fixing portion is arranged on the longitudinal outer side of the notch.

In this indoor unit, the rigidity of the part of the casing on the outside in the longitudinal direction of the notch for drawing out the pipe is low, so the gap between the casing and the wall tends to become large at the part outside in the longitudinal direction. Since the fixing portion is arranged on the outer portion in the longitudinal direction, it is possible to prevent the gap between the housing and the wall surface from becoming large at the outer portion in the longitudinal direction than the notch for drawing out the pipe.

The indoor unit according to the eighth aspect of the present invention is the indoor unit according to any one of the first to seventh aspects, wherein the indoor unit is installed on a wall surface, and the wall surface has a The upper end of the mounting plate has a mounting plate fixing portion for fixing the mounting plate on the wall, and the screw fixing portion is arranged between the mounting plate fixing portion and the concave portion in the height direction between.

In this indoor unit, the lower part of the mounting plate cannot be fixed to the indoor wall surface by screws, so the gap between the lower part of the indoor unit and the indoor wall surface tends to become large. However, since the screw fixing part is arranged in the height direction Between the mounting plate fixing portion arranged at the upper end of the mounting plate and the recessed portion of the wall surface, it is possible to prevent the gap between the lower portion of the indoor unit and the wall surface from becoming large.

Invention effect

As described above, the present invention can obtain the following effects.

In the first aspect of the present invention, since the case is fixed to the wall surface of the chamber by screws, it is possible to prevent a gap from being generated between the case and the wall surface. As a result, the appearance of the indoor unit is improved.

In the second aspect of the present invention, since the screw fixing portion is arranged on the outer side of the longitudinal end of the mounting plate, it is difficult to see the mounting plate from the side when the housing is fixed to the indoor wall.

In the third aspect of the present invention, since the mounting plate is interposed between the casing and the wall surface of the chamber, there is a gap between the casing and the wall surface of the chamber at a position outside the longitudinal end of the mounting plate. When the body is fixed to the indoor wall surface, the protruding portion of the housing is supported by the wall surface, so that the outer portion of the housing can be prevented from being deformed so as to warp toward the wall surface. Also, it is difficult to see the mounting plate from the side.

In the fourth aspect of the present invention, the outer portion of the housing is less likely to deform so as to warp toward the wall surface than when the screw fixing portion is arranged on the outer side in the longitudinal direction than the protruding portion.

In the fifth aspect of the present invention, the outer portion of the housing is less likely to deform so as to warp toward the wall surface than when the screw fixing portion is arranged on the outer side in the longitudinal direction than the protruding portion.

In the sixth aspect of the present invention, since the protruding portion is located substantially in the entire height direction of the housing, it is difficult to see the mounting plate from the side.

In the seventh aspect of the present invention, since the rigidity of the part of the case on the outer side in the longitudinal direction of the notch for drawing out the pipe is lower, the gap between the case and the wall surface tends to become larger at the part on the outer side in the longitudinal direction. Since the fixing portion is arranged on the outer portion in the longitudinal direction, it is possible to prevent the gap between the housing and the wall surface from becoming large at the outer portion in the longitudinal direction than the notch for drawing out the pipe.

In the eighth aspect of the present invention, the lower part of the mounting plate cannot be fixed to the indoor wall surface by screws, so the gap between the lower part of the indoor unit and the indoor wall surface tends to become larger, but since the screw fixing part is arranged in the height direction Between the mounting plate fixing portion arranged at the upper end of the mounting plate and the recessed portion of the wall surface, it is possible to prevent the gap between the lower portion of the indoor unit and the wall surface from becoming large.

Description of drawings

Fig. 1 (a) is a perspective view when the indoor unit according to the embodiment of the present invention is stopped, (b) is a perspective view when the indoor unit is in operation, and (c) is a perspective view when the front panel and the blowing panel are removed from the indoor unit.

(a) of Fig. 2 is a front view when the indoor unit is stopped, and (b) is a front view when the indoor unit is in operation.

(a) of Fig. 3 is a right side view when the indoor unit is stopped, and (b) is a right side view when the indoor unit is in operation.

Fig. 4 is a front view when the front panel and the blow-out panel are removed from the indoor unit.

Fig. 5 is a schematic diagram showing a longitudinal section of the indoor unit.

Fig. 6 is a rear view of the indoor unit.

Fig. 7 is a front view of a single product of the mounting plate.

Figure 8 is a rear view of the mounting plate and bottom frame.

Fig. 9 is a front view of the mounting plate and the bottom frame.

Fig. 10 is a top view of the mounting plate and the bottom frame.

(a) of Fig. 11 is a right side view of the bottom frame, and (b) is a right side view of the frame main body with the decorative plate removed from the bottom frame.

Fig. 12 is a schematic view of a state in which an indoor unit is mounted on a wall surface having a recessed portion facing a lower portion of the mounting plate viewed from the side.

Fig. 13 is a diagram illustrating a situation in which an indoor unit is installed on a wall surface having a concave portion facing the lower part of the installation plate, (a) is a diagram showing the wall surface before the indoor unit is installed, and (b) is a diagram showing the wall surface after the installation panel is installed. The figure of the wall surface behind the board, (c) is the figure which shows the wall surface after installing an indoor unit.

Fig. 14 is a rear view of a mounting plate and a bottom frame of an indoor unit according to a modified example of the present invention.

detailed description

Hereinafter, the indoor unit of the air conditioner according to the embodiment of the present invention will be described.

[Overall structure of the air conditioner]

An air conditioner according to an embodiment of the present invention includes an indoor unit 1 shown in FIG. 1 and an unshown outdoor unit. The indoor unit 1 has an elongated shape in one direction as a whole, and is installed on an indoor wall surface so that its longitudinal direction becomes horizontal. In addition, in the following description, the direction protruding from the wall surface on which the indoor unit 1 is attached is called "front", and the direction opposite to it is called "rear". In addition, the left-right direction shown in FIG. 1 is simply called "left-right direction", and the up-down direction shown in Fig. 1 is simply called "up-down direction".

[Structure of the indoor unit]

As shown in FIG. 6 , the indoor unit 1 has a mounting plate 2 for being fixed on a wall surface of a room, and an indoor unit main body 3 mounted on the mounting plate 2 .

[Mounting plate]

As shown in FIG. 7 , the mounting plate 2 is a substantially rectangular metal plate, and has two leg portions 84 , 84 in the lower part. Three fitting portions 81 (claw portions) that are fitted to a bottom frame 10 of the indoor unit main body 3 to be described later are provided at the upper end of the mounting plate 2 . Moreover, the fitting part 82 (claw part) fitted to the bottom frame 10 of the indoor unit main body 3 mentioned later is provided in the lower end of the two leg parts 84 and 84 of the mounting plate 2, respectively. A plurality of screw holes (mounting plate fixing portions) for fixing the mounting plate 2 to a wall surface of a room are formed in an upper end portion near the upper end of the mounting plate 2 . A plurality of screw holes (mounting plate fixing portions) are arranged along the horizontal direction. In addition, in FIG. 7 , in order to avoid cumbersomeness, the three screw holes 85 (mounting plate fixing portions) that are actually screwed out of the plurality of screw holes (mounting plate fixing portions) are assigned symbols, and the other screw holes (mounting plate fixing portions) are assigned symbols. plate fixing part) is omitted from the reference numerals. In addition, a plurality of screw holes for fixing the mounting plate 2 to the indoor wall surface are also formed in the two leg portions 84 , 84 which are the lower part of the mounting plate 2 . In addition, in the present invention, the lower portion of the mounting plate 2 refers to the area below the horizontal line L along the upper end of the cutout portion 83 formed between the two leg portions 84 , 84 in this embodiment.

[indoor unit main body]

As shown in FIGS. 1 to 5 , the indoor unit main body 3 mainly includes a main body 4 , a front panel 7 , an outlet panel 8 , a wind direction changing plate 50 , an auxiliary wind direction changing plate 52 , and the like.

[main body]

As shown in FIGS. 4 and 5 , the main body 4 has a housing body 5 including a front grille 6 and a bottom frame 10 (casing), an indoor heat exchanger 20 housed inside the housing body 5 , and a cross-flow fan 21. (hereinafter, simply referred to as the fan 21 ), the fan motor, and the electrical component box 40 .

The indoor heat exchanger 20 and the fan 21 are installed on the bottom frame 10 as shown in FIG. 5 . The indoor heat exchanger 20 and the fan 21 are arranged such that the fan 21 is arranged substantially in the center of the indoor unit 1 in a cross-sectional view, and the indoor heat exchanger 20 having an inverted V shape surrounds the upper half of the fan 21 .

As shown in FIG. 4 , the electrical component box 40 is disposed on the right side of the indoor heat exchanger 20 and the fan 21 when viewed from the front. The electrical component box 40 accommodates a control unit therein, and controls each component necessary for cooling and heating operation of the indoor unit 1 . The control unit is connected with a fan motor for driving the fan 21, a driving motor for driving the opening and closing mechanism 61 for opening and closing the front panel 7 and the blowing panel 8, and a driving motor for driving the wind direction changing plate 50 and the auxiliary wind direction changing plate 52. The control unit controls the fan 21 , the driving machine, the wind direction changing plate 50 and the auxiliary wind direction changing plate 52 .

The front grille 6 is attached to the bottom frame 10 from the front, and covers the front, side, top, and bottom of the main body 4 . The front grille 6 is molded from a resin material, and has a thin, substantially rectangular parallelepiped shape with its entire back open. The front grille 6 has a top surface 30 , a front surface 31 and a lower surface 32 as shown in FIG. 4 .

The first suction port 23 (suction port) for indoor air is disposed on substantially the entire surface of the top surface portion 30 . The front surface 31 (the front surface of the casing 5 ) has both ends 31L, 31R, and as shown in FIG. 4 , the front surface 31 has a substantially rectangular shape that is long in the left-right direction when viewed from the front. The front panel 7 and the blowing panel 8 are attached to the front surface 31, and the opening and closing mechanism 61 which opens and closes the front panel 7 and the blowing panel 8 is arrange|positioned. 1(a) etc. can be understood as follows: when the operation of the indoor unit 1 is stopped, the upper side of the front surface 31 is closed by the front panel 7, and the lower side of the front surface 31 is closed by the blowing panel 8. On the other hand, during the operation of the indoor unit 1, as shown in FIG. And the 2nd suction port 26 which sucks in indoor air is formed. In addition, the outlet panel 8 is moved between the front panel 7 and the front grill 6, and the outlet 27 is opened.

The outlet 27 is formed below the front surface 31 and in front of the lower surface 32 . The outlet 27 is an opening for blowing out the air from the fan 21 into the room, and has a long shape in the horizontal direction when viewed from the front, as shown in FIG. 2( b ). The front surface of the air outlet 27 is closed by the air outlet panel 8 when the operation of the indoor unit 1 is stopped. In addition, the lower surface of the air outlet 27 is closed by the wind direction changing plate 50 attached to the bottom frame 10 when the operation of the indoor unit 1 is stopped.

(Bottom frame)

The bottom frame 10 (casing) is molded from a resin material, and has a shape covering the bottom, rear, and sides of the fan 21 . As shown in FIG. 8 , the bottom frame 10 has a frame main body 42 and decorative panels 47 and 48 attached to the left and right ends of the frame main body 42 (see FIG. 3 together). The frame main body 42 is attached to the above-mentioned installation plate 2 and fixes the indoor heat exchanger 20 and the fan 21 .

As shown in FIGS. 8 and 11 , the bottom frame 10 has a recess 45 extending in the longitudinal direction (left-right direction) for drawing out pipes in the lower part (the region below the horizontal line L). As shown in FIG. 6 , pipes 9 connected to the outdoor unit (for example, auxiliary pipes and local pipes connected to the indoor heat exchanger 20 ) are arranged in the recessed portion 45 . Furthermore, as shown in FIG. 8 , the bottom frame 10 has a first outer portion 11 and a second outer portion 12 arranged on the longitudinal outer side of the longitudinal end of the mounting plate 2 . The first outer portion 11 is a portion on the right side of a vertical line E1 along the right end of the mounting plate 2 , and the second outer portion 12 is a portion on the left side of a vertical line E2 along the left end of the mounting plate 2 . On the back surface of the first outer portion 11, a notch 43 (hatched portion in FIG. 8 ) for drawing out a pipe extending in the height direction is formed. Piping 9 connected to the outdoor unit (for example, auxiliary piping connected to the indoor heat exchanger 20 ) is arranged in the cutout 43 . As shown in FIG. 6 , the notch 43 for drawing out the pipe is closed by a cover 54 when viewed from the back side, and the cover 54 is disposed on the back side of the notch 43 .

As shown in FIG. 8, the 1st outer part 11 and the 2nd outer part 12 have the 1st protrusion part 71 and the 2nd protrusion part 72 which protrude to the back side. The first protruding portion 71 and the second protruding portion 72 are arranged substantially over the entire range in the height direction of the bottom frame 10 . As shown in FIG. 10 , the first protruding portion 71 and the second protruding portion 72 are portions protruding toward the wall surface S side (back side) from the back surface 44 of the frame body 42 . The protruding length W1 of the second protruding portion 72 is, for example, substantially the same as or slightly smaller than the thickness W2 of the mounting plate 2 . In addition, the protruding length of the first protruding portion 71 is the same as the protruding length W1 of the second protruding portion 72 , and is, for example, substantially the same as or slightly smaller than the thickness W2 of the mounting plate 2 .

As shown in FIG. 8 , screw holes 73 to 76 (screw fixing parts) for fixing the bottom frame 10 to the indoor wall surface are provided on the first protrusion part 71 and the second protrusion part 72 . The screw holes 73 and 74 are arranged in the first protrusion 71 , and the screw holes 75 and 76 are arranged in the second protrusion 72 . The screw holes 73 and the screw holes 75 are arranged near the upper ends of the first protrusion 71 and the second protrusion 72 , respectively. The screw holes 73 and the screw holes 75 are arranged at substantially the same positions as the screw holes 85 (mounting plate fixing portions) of the mounting plate 2 in the height direction. In addition, the screw hole 74 and the screw hole 76 are arranged below the screw hole 73 and the screw hole 75, respectively. As shown in FIG. 12 , in a state where the indoor unit 1 is mounted on the wall surface S having the recess D facing the lower part of the mounting plate 2, the screw holes 74 (screw holes 76 as well) are arranged at the height direction. W3 is between the screw hole 85 (mounting plate fixing portion) arranged at the upper end portion of the mounting plate 2 and the concave portion D. As shown in FIG. In addition, the screw holes 74 and the screw holes 76 are preferably arranged at positions closer to the recessed portion D than the screw holes 85 in the height direction.

As shown in FIG. 9 , the frame main body 42 and the decorative plate 47 of the bottom frame 10 and the frame main body 42 and the decorative plate 48 of the bottom frame 10 overlap in the front-rear direction at the portion where the screw holes 73 - 76 are arranged. Therefore, the screw holes 73 and 74 are formed by holes provided on both the bottom frame 10 and the decorative plate 47 , and the screw holes 75 and 76 are formed by holes provided on both the bottom frame 10 and the decorative plate 48 . Therefore, insert screw P (referring to Fig. 10) in screw hole 73-76, when screw P is screwed on the indoor wall surface, frame main body 42 and decorative plate 47 are fixed together, in addition, frame main body 42 and decorative plate 48 are fixed together. fixed together.

In addition, as shown in FIG. 8 , the first protruding portion 71 is arranged on the outer side in the longitudinal direction than the notch 43 for drawing out the pipe formed on the back surface of the first outer portion 11 . Therefore, the screw hole 73 and the screw hole 74 provided in the 1st protrusion part 71 are located in the longitudinal direction outer side rather than the notch 43 for piping drawing|drawing.

Next, with reference to FIG. 13 , an installation state when the indoor unit 1 is installed on the wall surface S having the recess D facing the lower part of the installation plate 2 will be described.

Fig. 13(a) shows the wall surface S of the indoor unit 1 before installation. As shown in FIG. 13( a ), the recess D is a recess extending in the horizontal direction. As shown in FIG. 13( b ), first, the mounting plate 2 is attached to the wall surface S so that the recess D faces the lower part of the mounting plate 2 . As shown in FIG. 13(b), the mounting plate 2 is in contact with the wall surface S at a position above the lower part of the mounting plate 2 (the area below the horizontal line L), so the screws near the upper end of the mounting plate 2 At the hole 85 (mounting plate fixing portion), the mounting plate 2 is fixed to the wall S by screws. However, in the lower portion of the mounting plate 2 (the region below the horizontal line L), the mounting plate 2 is not in contact with the wall surface S, so in the lower portion of the mounting plate 2 (for example, two leg portions 84, 84), the mounting plate 2 It is not screwed to the wall S. As shown in FIG. 13( c ), the indoor unit main body 3 is then mounted on the mounting plate 2 . As shown in FIG. 13( c ), the pipe 9 connected to the outdoor unit is disposed in the recess 45 of the bottom frame 10 of the indoor unit main body 3 .

Here, it can be considered that the pipe 9 protrudes toward the wall surface S from the notch portion 83 of the mounting plate 2 depending on the arrangement state of the pipe 9 connected to the outdoor unit. At this time, when the indoor wall surface S has a recess D facing the lower part of the installation plate 2 and the lower part of the installation plate 2 cannot be fixed to the wall surface S by screws, due to the force received by the lower part of the bottom frame 10 F1 (refer to the arrow in FIG. 13 ), the bottom frame 10 moves away from the wall surface S together with the mounting plate 2, and a gap is generated between the bottom frame 10 and the wall surface S, which may result in poor appearance. However, in this indoor unit 1, the screw hole 74 and the screw hole 76 are disposed between the screw hole 85 (mounting plate fixing portion) at the upper end of the mounting plate 2 and the recess D of the wall S in the height direction at W3, so even if The lower part of the bottom frame 10 is subjected to the force F1, the bottom frame 10 will not move away from the wall S, and the gap between the bottom frame 10 and the wall S will not become larger.

<Features of the indoor unit of this embodiment>

In the indoor unit 1 of this embodiment, the bottom frame 10 (housing) mounted on the mounting plate 2 has screw holes 73-76 (screw fixing parts) for fixing the bottom frame 10 on the wall surface, so the bottom frame 10 passes through the Screws are fixed on the wall of the room. Therefore, it is possible to prevent the appearance of the indoor unit 1 from being deteriorated due to a gap formed between the bottom frame 10 and the wall surface.

In addition, in the indoor unit 1 of the present embodiment, the screw holes 73 to 76 (screw fixing parts) are arranged in the first part of the bottom frame 10 (housing) which is arranged on the outside in the longitudinal direction of the end of the mounting plate 2 in the longitudinal direction. The outer part 11 and the second outer part 12 therefore make it difficult to see the mounting plate 2 from the side when the bottom frame 10 is fixed to the wall surface of the room.

In addition, in the indoor unit 1 of this embodiment, the mounting plate 2 is interposed between the bottom frame 10 (housing) and the indoor wall surface, so that the first outer portion 11 and the second outer portion 12 of the bottom frame 10 are connected to the indoor wall. There will be a gap between the wall surfaces of the bottom frame 10, but since the first protrusion 71 and the second protrusion 72 of the bottom frame 10 are supported by the wall when the bottom frame 10 is fixed to the indoor wall surface, it is possible to prevent the first outer part of the bottom frame 10 from 11 and the second outer portion 12 are deformed so as to warp toward the wall surface. In addition, it is more difficult to see the mounting plate 2 from the side.

In addition, in the indoor unit 1 of the present embodiment, since the screw holes 73-76 (screw fixing parts) are arranged on the first protrusion 71 and the second protrusion 72, the screw holes 73-76 are arranged on a lower side than the first protrusion. The first outer portion 11 and the second outer portion 12 of the bottom frame 10 (casing) are less likely to warp toward the wall surface than when the second protruding portion 72 is located outside in the longitudinal direction.

In addition, in the indoor unit 1 of the present embodiment, the first protruding portion 71 and the second protruding portion 72 are located in substantially the entire range in the height direction of the bottom frame 10 (casing), so the mounting plate 2 is not easily seen from the side. .

In addition, in the indoor unit 1 of the present embodiment, the rigidity of the portion on the outside in the longitudinal direction of the first outer portion 11 of the bottom frame 10 (casing) from the notch 43 for drawing out the pipes is low, so the rigidity of the portion in the longitudinal direction is low. The gap between the bottom frame 10 and the wall surface tends to become large at the outer part, but since the screw holes 73-76 (screw fixing parts) are arranged on the outer part in the longitudinal direction, it is possible to prevent the gap between the bottom frame 10 and the wall surface in the longitudinal direction from the notch 43 for drawing out the pipe. The gap between the bottom frame 10 and the wall surface becomes larger at the outer portion.

In addition, in the indoor unit 1 of this embodiment, as shown in FIG. 12 , the wall surface S has a recess D facing the lower portion of the mounting plate 2, so the lower portion of the mounting plate 2 cannot be fixed to the indoor wall surface by screws. S. Therefore, the gap between the lower part of the indoor unit main body 3 and the indoor wall surface S tends to become large, but since the screw holes 74 and the screw holes 76 (screw fixing parts) are arranged in the height direction on the screws arranged on the upper end of the mounting plate 2 Between the hole 85 (mounting plate fixing portion) and the recess D of the wall surface S, the gap between the lower part of the bottom frame 10 and the wall surface S can be prevented from becoming large.

As mentioned above, although embodiment of this invention was described based on drawing, it should consider that a specific structure is not limited to the above-mentioned embodiment. The scope of the present invention is shown not by the description of the above-mentioned embodiments but by the claims, and all changes within the meaning and range equivalent to the claims are included.

[modified example]

Next, an indoor unit according to a modified example will be described with reference to FIG. 14 . In the indoor unit 1 of the above-mentioned embodiment, the screw holes 73-76 (screw fixing parts) are arranged on the first protruding part 71 and the second protruding part 72, but the difference between the indoor unit of this modified example and the above-mentioned embodiment is that The screw hole 173 and the screw 174 (screw fixing part) are disposed between the longitudinal end of the mounting plate 2 (the vertical line E1 along the right end of the mounting plate 2) and the first protruding portion 71, and the screw hole 175 and the screw 176 (Screw fixing portion) is arranged between the longitudinal end portion of the mounting plate 2 (vertical line E2 along the left end of the mounting plate 2 ) and the second protrusion 72 .

In the indoor unit of this modified example, the screw holes 173-176 (screw fixing parts) are arranged between the longitudinal end of the mounting plate 2 and the first protruding part 71 and the second protruding part 72, so they are connected to the screw holes 173-176. 176 is disposed outside the first protruding portion 71 and the second protruding portion 72 in the longitudinal direction, so that the first outer portion 11 and the second outer portion 12 of the bottom frame 10 (casing) are less likely to warp toward the wall surface. way of deformation.

[Other modifications]

In the above-mentioned embodiment, the case where the screw holes 73-76 (screw fixing parts) are arranged on the first outer part 11 and the second outer part 12 has been described, but as long as the screw fixing parts are located, the bottom frame 10 can be screwed The position fixed on the wall surface of the room can be arranged at any position of the bottom frame 10 .

In the above-mentioned embodiment, the case where the screw holes 73-76 (screw fixing parts) are respectively arranged at two positions on the first outer part 11 and the second outer part 12 has been described. 11 and the number of screw fixing portions of the second outer portion 12 may be one or three or more. In addition, the screw fixing portion may be provided on only one of the first outer portion 11 and the second outer portion 12 .

In the above-mentioned embodiment, the case where the first protruding portion 71 and the second protruding portion 72 are respectively provided on the first outer portion 11 and the second outer portion 12 has been described, but the protruding portion may be provided only on the first outer portion. 11 and one of the second outer portion 12 may not be provided.

In the above-mentioned embodiment, the case where the first protruding portion 71 and the second protruding portion 72 are located in substantially the entire range in the height direction of the bottom frame 10 (casing) has been described, however, the first protruding portion 71 and the second protruding portion The portion 72 may also be located at a part in the height direction of the bottom frame 10 .

In the above-mentioned embodiment, the case where the screw holes 73-76 (screw fixing parts) are arranged on the first protruding part 71 and the second protruding part 72 has been described. Between the longitudinal end of the mounting plate 2 and the first protrusion 71 and the second protrusion 72 , it may be disposed outside the first protrusion 71 and the second protrusion 72 in the longitudinal direction.

In the above-mentioned embodiment, the notch 43 for drawing out the pipe extending in the height direction is formed on the back surface of the first outer portion 11, and the screw hole 73 and the hole 74 (screw fixing portion) are arranged closer to the notch 43 for drawing out the pipe. The case of the outside in the longitudinal direction has been described, but the screw fixing portion may be disposed on the inside in the longitudinal direction of the notch 43 for drawing out the pipe, or may be arranged at the notch 43 for drawing out the pipe. In addition, the notch 43 for drawing out the pipe may not be provided.

In the above-mentioned embodiment, the case where the bottom frame 10 (housing) has the first outer portion 11 and the second outer portion 12 has been described, however, the bottom frame may have only one of the first outer portion and the second outer portion. , it is not necessary to have an outer portion disposed on the outer side of the longitudinal end portion of the mounting plate 2 .

In the above-mentioned embodiment, the screw hole 74 and the screw hole 76 (screw fixing portion) are arranged between the screw hole 85 (mounting plate fixing portion) and the recess D at the upper end of the mounting plate 2 in the height direction at W3, but not limited to this.

In the above embodiment, the indoor unit 1 is installed on the wall surface S having the concave portion D facing the lower part of the mounting plate 2. However, the wall surface on which the indoor unit 1 is mounted may be a wall surface without a concave portion.

In the above-mentioned embodiment, the case where there is no mounting plate 2 between the screw holes 73-76 (screw fixing parts) of the bottom frame 10 (casing) and the indoor wall surface has been described, A mounting plate 2 is interposed between the screw holes 73-76 and the indoor wall.

According to the present invention, it is possible to prevent a gap from being generated between the casing and the wall surface.

Label description

1: Indoor unit, 2: Mounting plate, 10: Bottom frame (housing), 43: Cutout for piping, 71: 1st protrusion, 72: 2nd protrusion, 73-76, 173-176: Screws Hole (screw fixing part), 85: screw hole (mounting plate fixing part), S: wall surface, D: concave part.

Claims (5)

1. a kind of indoor set, it is characterised in that the indoor set has：

Installing plate, it is fixed on wall；And

Housing, it is installed on the installing plate,

The housing has：For the screw fixed part that the housing is fixed on wall, it is configured at than the installing plate Length direction end position in the outer part；And protuberance, the protuberance is outer in the length direction end than the installing plate Rearwardly side protrudes for the position of side,

The screw fixed part is configured between the length direction end of the installing plate and the protuberance.

2. indoor set according to claim 1, it is characterised in that

The protruding parts are in the substantially gamut in the short transverse of the housing.

3. indoor set according to claim 1, it is characterised in that

The otch of pipe arrangement extraction is formed with the housing, installing plate described in ratio of the otch in the rear side of the housing Length direction end position in the outer part, extend along short transverse,

The screw fixed part is configured at than the otch by the position on the outside of length direction.

4. indoor set according to claim 2, it is characterised in that

The otch of pipe arrangement extraction is formed with the housing, installing plate described in ratio of the otch in the rear side of the housing Length direction end position in the outer part, extend along short transverse,

The screw fixed part is configured at than the otch by the position on the outside of length direction.

5. the indoor set described in any one in Claims 1-4, it is characterised in that

This is used for indoor machine, and in wall is installed on, the wall has the recess opposed with the section below of the installing plate,

The upper end of the installing plate has the installing plate fixed part for the installing plate to be fixed on wall,

The screw fixed part is configured between the installing plate fixed part and the recess in the height direction.