CN115667814A - Indoor unit of air conditioner - Google Patents

Abstract

An indoor unit of an air conditioner is provided with: a housing having a suction port for sucking air and a blow-out port for blowing out air-conditioned air; and a rectangular plate-like front surface decorative panel disposed on the front surface of the frame and rotatably supported by the frame. An indoor unit of an air conditioner is provided with: at least one deformation inhibiting sheet protruding in a direction away from the inner surface of the front surface appearance decoration panel at a panel end portion of the front surface appearance decoration panel closest to a rotation axis of the front surface appearance decoration panel; and at least one abutting portion provided to the frame body, the deformation suppressing member abutting against the abutting portion when the front surface design panel is positioned at the provisional fixing position where the space is formed between the front surface design panel and the frame body.

Description

Indoor unit of air conditioner

Technical Field

The present disclosure relates to a panel of an indoor unit of an air conditioner.

Background

An indoor unit of an air conditioner is provided with: a frame provided with a heat exchanger and a blower; and a panel provided on a front surface side of the frame. The panel provided on the front surface side is supported so as to be rotatable with respect to the frame. For example, patent document 1 describes an indoor unit including a lattice-shaped front panel provided on a front surface side of a frame, and a suction panel for covering a front surface opening of the frame and the front panel from the front surface. In the indoor unit of patent document 1, the ribs provided on the back surface of the suction panel are in contact with the grill of the front panel, thereby suppressing the deflection of the suction panel when the suction panel is fixed to the frame in a state in which the front opening is covered.

Patent document 1: japanese patent laid-open publication No. 2016-85008

Conventionally, a filter is disposed on the front surface side of an indoor unit. In order to facilitate the operations of cleaning and attaching/detaching the filter, the panel disposed on the front surface side of the frame of the indoor unit is temporarily fixed in a state where the front surface side of the frame is opened. In the case of a horizontally long indoor unit having a length in the left-right direction longer than the length in the up-down direction, the panel disposed on the front surface side is also horizontally long. Therefore, in a state where the front-side panel is temporarily fixed in a state where the front-side opening of the frame is open, the front-side panel may be bent by its own weight. As a result, there is a problem that the appearance of the indoor unit is degraded.

Disclosure of Invention

The present disclosure is made in view of the above-described problems, and provides an indoor unit of an air conditioner having improved appearance.

An indoor unit of an air conditioner according to the present disclosure includes: a housing having a suction port for sucking air and a blow-out port for blowing out air-conditioned air; and a rectangular plate-like front surface appearance panel disposed on a front surface of the casing, the front surface appearance panel being rotatably supported by the casing, the indoor unit of the air conditioner including: at least one deformation inhibiting sheet protruding in a direction away from the inner surface of the front surface design panel at a panel end portion of the front surface design panel that is closest to a rotation axis of the front surface design panel; and at least one abutting portion provided to the frame body, wherein the deformation suppressing member abuts against the abutting portion when the front surface decorative panel is positioned at a provisional fixing position in which a space is formed between the front surface decorative panel and the frame body.

According to the present disclosure, the system is configured to: when the front surface decorative panel is positioned at the provisional fixing position, the deformation inhibiting piece of the front surface decorative panel abuts against the abutting portion of the frame. Therefore, the front surface appearance decorative panel positioned at the temporary fixing position is suppressed from being flexed by its own weight. As a result, the appearance of the indoor unit of the air conditioner can be improved.

Drawings

Fig. 1 is a perspective view of an indoor unit of an air conditioner according to an embodiment of the present disclosure.

Fig. 2 is a front view of an indoor unit of an air conditioner according to an embodiment of the present disclosure.

Fig. 3 is a plan view of an indoor unit of an air conditioner according to an embodiment of the present disclosure.

Fig. 4 is a side view of an indoor unit of an air conditioner according to an embodiment of the present disclosure.

Fig. 5 is an exploded perspective view of an indoor unit of an air conditioner according to an embodiment of the present disclosure.

Fig. 6 is a cross-sectional view of an indoor unit of an air conditioner according to an embodiment of the present disclosure.

Fig. 7 is a perspective view of a frame of an indoor unit of an air conditioner according to an embodiment of the present disclosure.

Fig. 8 is a perspective view of a front surface decorative panel of an indoor unit of an air conditioner according to an embodiment of the present disclosure.

Fig. 9 is a perspective view of a front surface exterior panel of an indoor unit of an air conditioner according to an embodiment of the present disclosure.

Fig. 10 is a partially enlarged plan view of an indoor unit of an air conditioner according to an embodiment of the present disclosure.

Fig. 11 is an enlarged view of a pivot arm of a front surface decorative panel of an indoor unit of an air conditioner according to an embodiment of the present disclosure.

Fig. 12 is an enlarged view showing a support structure of the front surface design panel when the front surface design panel is at the fully closed position in the indoor unit of an air conditioner according to the embodiment of the present disclosure.

Fig. 13 is an enlarged cross-sectional view showing a part of the front surface decorative panel when the front surface decorative panel is at the fully closed position in the indoor unit of the air conditioner according to the embodiment of the present disclosure.

Fig. 14 is an enlarged view showing a support structure of the front surface design panel when the front surface design panel is at the temporary fixing position in the indoor unit of the air conditioner according to the embodiment of the present disclosure.

Fig. 15 is a view showing a deformation suppressing structure when the front surface design panel is at the temporarily fixed position in the indoor unit of an air conditioner according to the embodiment of the present disclosure.

Fig. 16 is a partial cross-sectional view of the indoor unit of an air conditioner according to the embodiment of the present disclosure, when the front surface decorative panel is at the temporary fixing position.

Fig. 17 is an enlarged view showing a support structure of the front surface decorative panel when the front surface decorative panel is at the fully open position in the indoor unit of the air conditioner according to the embodiment of the present disclosure.

Fig. 18 is a partial cross-sectional view of the front surface design panel in the indoor unit of the air conditioner according to the embodiment of the present disclosure when the front surface design panel is at the fully open position.

Fig. 19 is a view showing the positions of the deformation suppressing pieces and the abutting portions when the front surface decorative panel is at the fully closed position.

Detailed Description

Hereinafter, embodiments of an indoor unit of an air conditioner according to the present disclosure will be described with reference to the drawings. The present disclosure is not limited to the following embodiments, and various modifications can be made without departing from the scope of the present disclosure. The present disclosure includes all combinations that can be combined in the structures described in the following embodiments. The indoor unit of an air conditioner shown in the drawings is an example of a device to which the indoor unit of an air conditioner of the present disclosure is applied, and the device to which the present disclosure is applied is not limited to the indoor unit of an air conditioner shown in the drawings. In the following description, terms indicating directions (for example, "upper", "lower", "right", "left", "front", "rear", and the like) are used as appropriate for easy understanding, but these are used for explanation and do not limit the present disclosure. In addition, in each drawing, the same reference numerals denote the same or equivalent parts, and this is common throughout the specification. In addition, in each drawing, the relative dimensional relationship, the shape, and the like of each component may be different from those in reality.

Provided is an implementation mode.

Fig. 1 is a perspective view of an indoor unit of an air conditioner according to an embodiment of the present disclosure. Fig. 2 is a front view of an indoor unit of an air conditioner according to an embodiment of the present disclosure. Fig. 3 is a plan view of an indoor unit of an air conditioner according to an embodiment of the present disclosure. Fig. 4 is a side view of an indoor unit of an air conditioner according to an embodiment of the present disclosure. The indoor unit 1 includes a front surface decorative panel 10, a casing 20, and a rear casing 30. The indoor unit 1 has a horizontally long shape in which the length in the horizontal direction is longer than the length in the vertical direction. That is, the front surface decorative panel 10, the frame 20, and the rear surface case 30 each have a horizontally long shape. The front surface design panel 10 is disposed on the front surface of the frame 20. The rear case 30 is disposed on the rear surface of the frame 20. In the following description, a direction from the front surface to the back surface of the indoor unit 1 and a direction from the back surface to the front surface may be referred to as a front-back direction of the indoor unit 1.

The front surface appearance decorative panel 10 is formed by molding a material having flexibility. The front surface decorative panel 10 is rotatably supported by the frame 20. The front surface decorative panel 10 is configured to be detachable from the frame 20.

Fig. 5 is an exploded perspective view of an indoor unit of an air conditioner according to an embodiment of the present disclosure. Fig. 6 is a cross-sectional view of an indoor unit of an air conditioner according to an embodiment of the present disclosure. Fig. 6 shows the indoor unit 1 cut at the position of linebase:Sub>A-base:Sub>A in fig. 2 and in the direction of the arrow. In fig. 6, hatching of the cross section is omitted in order to avoid complication of the drawing. The heat exchanger 31, the blower fan 32, the electrical component box 33, the drain pan unit 34, and the housing 20 are attached to the rear case 30. A filter 35 is provided between the front surface design panel 10 and the frame 20. An air inlet 20A for sucking air in the air-conditioned space is formed in the upper surface of the housing 20. An air outlet 20B for blowing out air-conditioned air to the air-conditioned space is formed in the bottom surface of the housing 20. An air passage is formed in the housing 20, through which air is sucked from the suction port 20A and blown out from the discharge port 20B when the blower fan 32 rotates. The blower fan 32 rotates, and the air sucked in from the inlet port 20A is heat-exchanged by the heat exchanger 31 to be cooled or heated, and is blown out from the outlet port 20B. Dust in the air sucked from the suction port 20A adheres to the filter 35. The airflow direction of the air blown out from the air outlet 20B is adjusted by the airflow direction adjusting plate 36. The drain generated at the heat exchanger 31 drops to the drain pan assembly 34. The electric component box 33 houses a control board for controlling the indoor unit 1.

Fig. 7 is a perspective view of a frame of an indoor unit of an air conditioner according to an embodiment of the present disclosure. The frame body 20 has a rectangular horizontally long frame 21 and a horizontally long lattice portion 26. The frame 21 has a frame upper part 21U, a frame lower part 21B, a frame left part 21L, and a frame right part 21R. The suction port 20A is formed by the lattice 26. A left support portion 23 is provided at an upper portion of a left end portion 22 of a frame left side portion 21L provided to the frame 21. A right support portion 25 is provided on an upper portion of a right end portion 24 of the frame right side portion 21R provided on the frame 21. The front surface decorative panel 10 shown in fig. 1 to 4 is rotatably supported by the left support portion 23 and the right support portion 25. The left support portion 23 and the right support portion 25 will be described later.

The lattice portion 26 is formed on the frame upper edge portion 21U of the upper portion of the frame 21. The lattice section 26 has a plurality of vertical bars 27 and a plurality of horizontal bars 28. The plurality of vertical bars 27 extend in the front-rear direction from the frame upper edge 21U of the frame 21. The plurality of horizontal bars 28 extend in the left-right direction in parallel with the upper frame side 21U of the upper portion of the frame 21. The plurality of vertical bars 27 and the plurality of horizontal bars 28 are orthogonal to each other. The upper surface 22U of the left end portion 22 is located at the left end of the lattice portion 26, and the upper surface 24U of the right end portion 24 of the frame 21 is located at the right end of the lattice portion 26. The upper surface 22U and the upper surface 24U are not formed with openings and irregularities.

A reinforcing plate 270 for improving the rigidity of the lattice section 26 is provided on the lower surface of the vertical bar 27C located at the substantially center in the left-right direction among the plurality of vertical bars 27. The reinforcing plate 270 is supported by the reinforcing plate supporting member 271.

Fig. 8 and 9 are perspective views of a front surface decorative panel of an indoor unit of an air conditioner according to an embodiment of the present disclosure. Fig. 8 shows the front surface decorative panel 10 from the surface 10F side, which is the surface located on the front surface side when the front surface decorative panel 10 is attached to the frame 20. Fig. 9 shows the front surface appearance trim panel 10 from the interior surface. The front surface design panel 10 is shown from the inner surface 10B side, which is the surface located on the back side when the front surface design panel 10 is attached to the frame 20.

The front surface appearance decorative panel 10 is formed by molding a material having flexibility. The front surface design panel 10 is a rectangular, horizontally long plate-like member. A flange 11 projecting in the rear direction, i.e., toward the inner surface 10B side is provided on the outer edge of the front surface design panel 10. The flange 11 has a flange upper edge portion 11U, a flange lower edge portion 11D, a flange left edge portion 11L, and a flange right edge portion 11R. The flange upper edge portion 11U is formed at the upper end portion 10U of the front surface appearance panel 10. The flange lower edge portion 11D is formed at the lower end portion 10D of the front surface decorative panel 10. The flange left side portion 11L is formed at the left end portion 10L of the front surface decorative panel 10. The flange right side portion 11R is formed at the right end portion 10R of the front surface design panel 10. The deformation inhibiting sheet 40 is provided at the upper end portion 10U of the front surface design panel 10.

The surface 10F of the front surface appearance decoration panel 10 is shaped into a flat surface. That is, no opening portion is formed on the surface 10F, and no unevenness is provided.

The inner surface 10B of the front surface design panel 10 is provided with a left-turning arm 13 and a right-turning arm 15. The left-turning arm 13 is disposed on the upper portion of the left end portion 10L at the inner surface 19B, and the right-turning arm 15 is disposed on the upper portion of the right end portion 10R at the inner surface 19B. The left-turning arm 13 engages with the left support portion 23 shown in fig. 7. The right turning arm 15 engages with the right support portion 25 shown in fig. 7. The front surface decorative panel 10 is supported to be rotatable with respect to the frame 20 by the engagement of the left support portion 23 with the left rotation arm 13 and the engagement of the right support portion 25 with the right rotation arm 15. The left and right turning arms 13 and 15 of the front surface design panel 10 and the left and right support portions 23 and 25 of the frame 20 will be described later.

In the present embodiment, the position of the front surface decorative panel 10 in which the front surface decorative panel 10 covers the entire front surface of the frame 20 and the indoor unit 1 is usable is referred to as a fully closed position. The position of the front surface design panel 10 fixed so that a space is formed between the front surface design panel 10 and the frame 20 so that the user can attach and detach and clean the filter 35 is referred to as a temporary fixing position. The position of the front surface design panel 10 that the user turns to the maximum extent in order to remove the front surface design panel 10 from the frame 20 is referred to as the fully open position. Fig. 1 to 4 show the front surface decorative panel 10 in a fully closed position.

Fig. 10 is a partially enlarged plan view of an indoor unit of an air conditioner according to an embodiment of the present disclosure. Fig. 10 shows the fully closed position of the front surface appearance trim panel 10. The abutting portion 50 is provided at the front-surface-side end of the two ends of the vertical bar 27C, that is, at the end of the frame upper side portion 21U of the frame 21 fixed to the frame body 20. The abutting portion 50 will be described later.

The deformation inhibiting pieces 40 protrude from the flange upper edge portion 11U and have a trapezoidal shape. The deformation inhibiting pieces 40 are formed at positions corresponding to the contact portions 50 of the vertical bars 27C in the left-right direction of the flange upper edge portion 11U. In other words, the deformation inhibiting piece 40 is formed substantially at the center in the left-right direction of the flange upper side portion 11U. The deformation inhibiting sheet 40 has a parallel portion 40A, and a left inclined portion 40L and a right inclined portion 40R which are a pair of inclined portions. The parallel portion 40A extends in the left-right direction in parallel with the flange upper edge portion 11U. The left inclined portion 40L extends from the flange upper edge portion 11U toward the rear surface side, and is continuous with the left end portion of the parallel portion 40A. The right inclined portion 40R extends from the flange upper edge portion 11U toward the rear surface side, and is continuous with the right end portion of the parallel portion 40A. The left inclined portion 40L is inclined from the front surface toward the rear surface so as to approach the right side, and the right inclined portion 40R is inclined from the front surface toward the rear surface so as to approach the left side. That is, the length parallel to the left-right direction between the left inclined portion 40L and the right inclined portion 40R gradually becomes shorter from the front surface toward the rear surface, and the parallel portion 40A corresponds to the upper bottom portion of the trapezoidal shape.

Fig. 11 is an enlarged view of a pivot arm of a front surface design panel of an indoor unit of an air conditioner according to the embodiment of the present disclosure. Fig. 11 shows the right-turning arm 15 having the front surface appearance panel 10. The right-turning arm 15 includes a shaft portion 15A and an arm body 15B. The shaft portion 15A has a cylindrical shape, and the axial center extends in the left-right direction. The arm body 15B is provided below the shaft portion 15A and protrudes from the inner surface 10B of the front surface design panel 10 toward the rear surface. The left turning arm 13 shown in fig. 9 also has the same configuration as the right turning arm 15. In fig. 11, AX is a rotation axis which is a rotation center when the front surface decorative panel 10 rotates. The upper end 10U of the front surface design panel 10 is a panel end that is parallel to the rotational axis AX and is closest to the rotational axis AX. The flange upper edge portion 11U formed at the upper end portion 10U is a flange edge portion that is parallel to the rotation axis AX and is closest to the rotation axis AX. The frame upper side 21U of the frame 21 of the housing 20 shown in fig. 7 is a frame side that is parallel to the rotation axis AX and is closest to the rotation axis AX.

Fig. 12 is an enlarged view showing a support structure of the front surface design panel when the front surface design panel is at the fully closed position in the indoor unit of an air conditioner according to the embodiment of the present disclosure. Fig. 13 is an enlarged cross-sectional view showing a part of the front surface decorative panel when the front surface decorative panel is at the fully closed position in the indoor unit of the air conditioner according to the embodiment of the present disclosure. Fig. 13 shows the front surface side of the upper part of the indoor unit 1 cut along the line B-B in fig. 10 and viewed from the direction of the arrow. Fig. 12 shows a case where the left-turning arm 13 is engaged with the left support portion 23. In fig. 12, the indoor unit 1 is shown in a cut-away manner to clearly illustrate the engagement between the left-turning arm 13 and the left support portion 23, and hatching showing the cross section of the cut-away portion is omitted. The left support portion 23 has a bearing 23A and a pair of support pieces 23B. The bearing 23A receives the shaft portion 13A of the rotation arm 13. The pair of support pieces 23B support the projection 12B of the left-turning arm 13 at a temporary fixing position described later.

The shaft portion 13A of the left-turning arm 13 is inserted into the bearing 23A so as to be rotatable about the rotation axis AX. The arm body 13B of the left-turning arm 13 is disposed between the pair of support pieces 23B. The pair of support pieces 23B has flexibility. The length of the arm body 13B in the left-right direction is slightly larger than the length between the front end portions of the pair of support pieces 23B in the left-right direction. The engagement between the right-turning arm 15 and the right support portion 25 when the front surface decorative panel 10 is at the fully closed position is also the same as the engagement between the left-turning arm 13 and the left support portion 23.

Here, the abutting portion 50 will be described with reference to fig. 10 and 13. As shown in fig. 13, the abutting portion 50 has a mountain shape in a side view. The contact portion 50 has a front surface inclined portion 51, a rear surface inclined portion 52, and a flat surface portion 53. The front surface inclined part 51 has a front surface 1 st inclined part 51A and a front surface 2 nd inclined part 51B. The front surface inclined portion 51 is inclined upward from the front surface toward the rear surface, and the front surface 2 nd inclined portion 51B of the front surface inclined portion 51 is continuous with the front surface side end portion of the flat portion 53. The angle of the front-surface 1 st inclined portion 51A with respect to the vertical fence 27C is larger than the angle of the front-surface 2 nd inclined portion 51B with respect to the vertical fence 27C. The rear-surface inclined portion 52 has a rear-surface 1 st inclined portion 52A and a rear-surface 2 nd inclined portion 52B. The rear surface inclined portion 52 is inclined downward from the front surface toward the rear surface, and the rear surface 2 nd inclined portion 52B of the rear surface inclined portion 52 is continuous with the end portion of the rear surface side of the planar portion 53. The angle of the back-face 1 st inclined part 52A with respect to the vertical fence 27C is larger than the angle of the back-face 2 nd inclined part 52B with respect to the vertical fence 27C.

The flat surface portion 53 extends in the front-rear direction in parallel with the vertical bars 27C. In the contact portion 50, the flat surface portion 53 is farthest from the vertical bar 27C in the vertical direction. In the following description, the height of the contact portion 50 refers to the vertical length between the vertical bar 27C and the planar portion 53.

As shown in fig. 13, when the front surface decorative panel 10 is at the fully closed position, the parallel portion 40A of the deformation inhibiting sheet 40 is located at a position spaced apart from the abutting portion 50 and does not contact the abutting portion 50.

Fig. 14 is an enlarged view showing a support structure of the front surface design panel when the front surface design panel is at the temporary fixing position in the indoor unit of the air conditioner according to the embodiment of the present disclosure. Fig. 15 is a diagram showing a deformation suppressing structure when the front surface decorative panel is at the temporary fixing position in the indoor unit of the air conditioner according to the embodiment of the present disclosure. Fig. 16 is a partial cross-sectional view of the indoor unit of an air conditioner according to the embodiment of the present disclosure, when the front surface decorative panel is at the temporary fixing position. In fig. 14, hatching lines are cut out to show a part of the indoor unit 1 and the cross section of the cut out is omitted in order to clearly show the support structure of the front surface decorative panel 10. In fig. 15, hatching lines showing a part of the indoor unit 1 are cut out to show the deformation suppressing structure, and the cut-out section is omitted. Fig. 16 shows the indoor unit 1 cut at the position of linebase:Sub>A-base:Sub>A in fig. 2 and cut in the direction of the arrow when the front surface decorative panel 10 is at the provisional fixing position.

The front surface decorative panel 10 is rotated clockwise in fig. 13 from the fully closed position shown in fig. 12 and 13 with the shaft portion 13A of the left-turning arm 13 and the shaft portion 15A of the right-turning arm 15 as rotation axes. At this time, the front surface decorative panel 10 is rotated about the rotation axis AX shown in fig. 11, 12, and 14, and the arm body 13B of the left rotation arm 13 moves from between the pair of support pieces 23B to above the front surface side. As described above, the length of the arm main body 13B in the left-right direction is slightly larger than the length between the front end portions of the pair of support pieces 23B in the left-right direction. Therefore, as shown in fig. 14, the arm main body 13B is supported by the front ends of the pair of support pieces 23B. The arm main body 15B of the right-turning arm 15 is also moved in the same manner and supported by the same support pieces as the pair of support pieces 23B. That is, the front surface design panel 10 is configured to: the left-turning arm 13 is supported by a left support portion 23 of the housing 20 at the left end, and the right-turning arm 15 is supported by a right support portion 25 of the housing 20 at the right end. As a result, as shown in fig. 14, the front surface decorative panel 10 is positioned at the provisional fixing position with a predetermined space left between the front surface decorative panel and the frame 20.

When the front surface appearance decorative panel 10 is positioned at the provisional fixing position, as shown in fig. 15 and 16, the parallel portion 40A of the deformation inhibiting sheet 40 abuts against the flat surface portion 53 of the abutting portion 50. Specifically, the parallel portion 40A extending in the left-right direction is in point contact with the flat surface portion 53 extending in the front-rear direction. That is, when the provisional fastening position is set, the front surface design panel 10 is supported by the abutting portions 50 at the center portion in the left-right direction. As described above, the front surface decorative panel 10 has the left-turning arm 13 supported by the left support portion 23 at the left end portion, and the right-turning arm 15 supported by the right support portion 25 at the right end portion. In this way, when the provisional fixing position is established, the front surface decorative panel 10 is supported by the frame 20 at three locations, i.e., the left end portion, the right end portion, and the central portion. Therefore, even if the flexible front surface decorative panel 10 has a horizontally long shape, the flexible front surface decorative panel is prevented from being deformed in the vertical direction when the panel is temporarily fixed to the position. As a result, the appearance and the decorativeness of the front surface appearance decorative panel 10 at the temporarily fixed position are improved.

The amount of projection of the deformation suppressing pieces 40 from the flange 11 and the angles of the front surface 1 st inclined portion 51A and the front surface 2 nd inclined portion 51B of the abutting portion 50 with respect to the vertical fence 27C are set so that the deformation suppressing pieces 40 do not contact the abutting portion 50 when the front surface exterior trim panel 10 is rotated between the fully closed position and the provisional fixing position. In other words, the amount of projection of the deformation suppressing sheet 40 from the flange 11 and the angles of the front surface 1 st inclined portion 51A and the front surface 2 nd inclined portion 51B with respect to the stringers 27C are set so that the deformation suppressing sheet 40 comes into contact with the abutting portion 50 when the front surface appearance decorative panel 10 is positioned at the provisional fixing position.

When the front surface decorative panel 10 is rotated clockwise in fig. 16 from the temporary fixing position shown in fig. 14 to 16 using the shaft portion 13A of the left rotation arm 13 and the shaft portion 15A of the right rotation arm 15 as rotation shafts, the front surface decorative panel 10 moves to the fully opened position.

Fig. 17 is an enlarged view showing a support structure of the front surface design panel when the front surface design panel is at the fully open position in the indoor unit of an air conditioner according to the embodiment of the present disclosure. Fig. 18 is a partial cross-sectional view of the front surface design panel in the indoor unit of the air conditioner according to the embodiment of the present disclosure when the front surface design panel is at the fully open position. In fig. 17, hatching lines are cut out to show a part of the indoor unit 1 and the cross section of the cut out is omitted in order to clearly show the support structure of the front surface decorative panel 10. As shown in fig. 17, when the front surface decorative panel 10 is rotated to the fully open position, the arm body 13B of the left rotation arm 13 moves further upward than the front ends of the pair of support pieces 23B. The arm main body 15B of the right turning arm 15 also moves upward in the same manner.

In the present embodiment, the amount of projection of the deformation inhibiting pieces 40 from the flange 11 and the angles of the front surface 1 st inclined portion 51A and the front surface 2 nd inclined portion 51B with respect to the vertical fence 27C are set such that the front surface decorative panel 10 is rotated between the provisional fixing position and the fully open position in a state where the parallel portions 40A of the deformation inhibiting pieces 40 are in contact with the flat surface portions 53 of the abutting portions 50. Therefore, as shown in fig. 18, when the front surface decorative panel 10 is at the fully open position, the parallel portion 40A of the deformation inhibiting sheet 40 abuts against the flat surface portion 53 of the abutting portion 50.

After the user positions the front surface design panel 10 at the fully open position, the engagement between the left turning arm 13 and the left support portion 23 is released, and the engagement between the right turning arm 15 and the right support portion 25 is released, whereby the front surface design panel 10 is removed from the frame 20. The front surface decorative panel 10 is attached to the frame 20 in a state where the left-turning arm 13 and the right-turning arm 15 are turned to the positions shown in fig. 17.

As shown in fig. 17, in a state where the front surface decorative panel 10 is positioned at the fully open position and is removable from the frame body 20, the arm main body 13B of the left-turning arm 13 abuts against the edge 220U on the front surface side of the upper surface 22U of the left end portion 22 of the frame 21. Similarly, when the front surface decorative panel 10 is positioned at the fully open position, the arm main body 15B of the right-turning arm 15 abuts against the front-surface-side edge portion of the upper surface 24U of the right end portion 24 of the frame 21. Therefore, the flange 11 is prevented from coming into contact with the upper surface 22U of the left end portion 22 and the upper surface 24U of the right end portion 24 of the frame 21 when the front surface decorative panel 10 is attached and detached. As a result, the appearance of upper surface 22U and upper surface 24U can be maintained satisfactorily.

In the present embodiment, the abutting portions 50 are provided on the vertical lattices 27C of the lattice portion 26 of the frame body 20, and the deformation inhibiting pieces 40 are provided on the flange upper edge portion 11U of the front surface decorative panel 10. Therefore, according to the present embodiment, it is not necessary to add a special member to suppress deformation of the front surface design panel 10 when the temporary fixing position is set, and an increase in the number of members can be suppressed.

In the present embodiment, the parallel portion 40A of the deformation inhibiting sheet 40 is in point contact with the planar portion 53 of the contact portion 50. Therefore, when an external force is applied to the front surface appearance decorative panel 10 from the fully open position shown in fig. 18 and the front surface appearance decorative panel is removed from the frame 20, abrasion of the deformation suppressing sheet 40 and the abutment portion 50 due to contact between the deformation suppressing sheet 40 and the abutment portion 50 can be suppressed.

Fig. 19 is a view showing the positions of the deformation inhibiting pieces and the abutting portions when the front surface design panel is at the fully closed position. Fig. 19 shows the indoor unit 1 from the right side, as in fig. 4. In fig. 19, the positions of the deformation suppression sheet 40 and the abutting portion 50 are indicated by broken lines. As shown in fig. 19, the height of the abutting portion 50 is set so as not to protrude upward beyond the design trim line formed by the flange upper edge portion 11U of the flange 11 of the front surface design trim panel 10 and the upper surface 24U of the right end portion 24 of the frame body 20. Similarly, the height of the abutting portion 50 is set so as not to protrude upward beyond the design line formed by the flange upper edge portion 11U of the flange 11 of the front surface design panel 10 and the upper surface 22U of the left end portion 22 of the frame body 20.

The deformation inhibiting sheet 40 is formed so as not to protrude upward beyond the upper surface 22U of the left end portion 22 and the upper surface 24U of the right end portion 24 of the housing 20 when the front surface decorative panel 10 is at the fully closed position.

Therefore, according to the present embodiment, when the front surface decorative panel 10 is at the fully closed position, in other words, when the indoor unit 1 is in the use state, it is possible to maintain a good appearance decorative property when the indoor unit 1 is viewed from the side.

Here, a guide structure for attaching the front surface design panel 10 to the frame body 20 will be described with reference to fig. 15. A notch 60 is formed in the frame upper side portion 21U of the frame 21 of the frame body 20 substantially at the center in the left-right direction. A part of the cutout 60 is formed by the 1 st guide surface 61 and the 2 nd guide surface 62. The 1 st guide surface 61 is an inclined surface inclined downward from the left to the right and inclined upward from the front surface to the back surface. The 2 nd guide surface 62 is an inclined surface inclined upward from the front surface toward the back surface and extending in parallel with the left-right direction. The right end portion of the 1 st guide surface 61 is continuous with the left end portion of the 2 nd guide surface 62. The inclination angle of the 1 st guide face 61 with respect to the frame upper side portion 21U is substantially the same as the inclination angle of the left inclined portion 40L of the deformation inhibiting piece 40 with respect to the flange upper side portion 11U. That is, the left inclined portion 40L, which is one of the pair of inclined portions of the deformation inhibiting sheet 40, is configured to be slidable on the 1 st guide surface 61.

The length from the leftmost end of the frame 21 to the right end of the 1 st guide surface 61 is longer than the length from the leftmost end of the front surface design panel to the left end of the left inclined portion 40L of the deformation inhibiting sheet 40.

When the front surface design panel 10 is attached to the frame 20, it is conceivable that both left and right end portions of the front surface design panel 10 are held by the hand of the user. In this case, since the front surface design panel 10 has flexibility, the center portion may be deflected in the direction of gravity by its own weight. In this state, when the user attempts to attach the front surface decorative panel 10 to the frame body 20, the flange upper edge portion 11U of the front surface decorative panel 10 may hit the frame upper edge portion 21U of the frame 21, and the attachment may not be easily performed.

In the present embodiment, the inclination angle of the 1 st guide surface 61 with respect to the frame upper side portion 21U is substantially the same as the inclination angle of the left inclined portion 40L of the deformation restricting member 40 with respect to the flange upper side portion 11U. The length from the leftmost end of the frame 21 to the right end of the 1 st guide surface 61 is longer than the length from the leftmost end of the front surface design panel to the left end of the left inclined portion 40L of the deformation inhibiting sheet 40. Therefore, the user only needs to finely adjust the position of the front surface design panel 10 with respect to the frame 21 so that the left inclined portion 40L, which is one of the pair of inclined portions of the deformation inhibiting sheet 40, slides on the 1 st guide surface 61 after the flange upper edge portion 11U of the front surface design panel 10 is brought into contact with the frame upper edge portion 21U. This allows the user to easily position the front surface decorative panel 10, and to smoothly attach the front surface decorative panel 10.

Further, the notch 60 is formed in the frame upper side portion 21U, so that the deformation inhibiting sheet 40 is inhibited from colliding with the frame 21 when the front surface decorative panel 10 is attached, and therefore, it is possible to inhibit the user from feeling uncomfortable.

The indoor unit 1 of the present embodiment is configured to: when the front surface appearance decorative panel 10 is rotated between the fully closed position and the provisional fixing position, the deformation inhibiting pieces 40 do not contact the abutting portions 50. The rotation of the front surface appearance decorative panel 10 between the fully closed position and the temporarily fixing position can be smoothly performed.

In the present embodiment, the parallel portion 40A of the deformation inhibiting sheet 40 extends in the left-right direction parallel to the flange upper side portion 11U, and has a length in the left-right direction. Therefore, even if the position of the point contact between the deformation inhibiting sheet 40 and the abutting portion 50 is slightly displaced in the left-right direction due to the force applied by the user, the supporting form of the front surface design panel 10 at the temporary fixing position is not affected.

In the present embodiment, the deformation inhibiting sheet 40 has a trapezoidal shape, but is not limited thereto. The deformation inhibiting sheet 40 may also have a shape of, for example, a semicircle. That is, the deformation inhibiting sheet 40 has a shape that can maintain the contact state with the abutting portion 50 when the front surface decorative panel 10 is rotated between the provisional fixing position and the fully open position, and thus the effect of inhibiting the deformation of the front surface decorative panel 10 at the provisional fixing position can be obtained. In the case where the deformation inhibiting sheet 40 is formed in a semicircular shape, the 1 st guide surface 61 is formed in an arc shape.

In the present embodiment, one abutting portion 50 is provided at the vertical bar 27C at the center of the frame 21, and one deformation inhibiting sheet 40 is provided at the center of the front surface decorative panel 10 in accordance with this. The abutting portions 50 may be provided on the vertical fences 27 other than the vertical fence 27C, and the deformation suppressing sheet 40 may be provided on the front surface decorative panel 10 in accordance with this. Further, the abutting portions 50 may be provided on two or more vertical grill 27 of the plurality of vertical grills 27 including the vertical grill 27C, respectively, and the plurality of deformation suppressing pieces 40 may be provided on the front surface design panel 10 in correspondence with the abutting portions. That is, the abutting portion 50 may be provided on at least one of the plurality of vertical bars 27, and the deformation inhibiting sheet 40 corresponding thereto may be provided on the front surface design panel 10.

In the present embodiment, the deformation inhibiting pieces 40 as protrusions are formed on the front surface design panel 10 so as to correspond to the contact portions 50 of the vertical gratings 27 provided in the lattice portion 26 of the frame 21. Therefore, no projection is formed in the vicinity of the left end portion 10L and the right end portion 10R at the flange upper edge portion 11U of the upper end portion 10U of the front surface design panel 10. Therefore, when the front surface design panel 10 is rotated, the protrusions do not contact the upper surfaces 22U and 24U of the left and right end portions 22 and 24 of the frame 20, and the appearance of the upper surfaces 22U and 24U is maintained well.

Description of the reference numerals

An indoor unit; a front surface appearance trim panel; an inner surface; a lower end portion; a surface; a left end portion; a right end portion; an upper end portion; a flange; 11d.. The flange lower edge portion; 11L.. Flange left edge; 11r. flange right edge portion; an upper edge portion of the flange; a convex portion; an arm for left rotation; a shaft portion; an arm body; right-turning arm; a shaft portion; an arm body; an inner surface; a frame body; a suction inlet; an outlet port; a frame; a frame lower edge portion; 21L.. Frame left edge; a frame right side portion; an upper edge portion of the frame; a left end portion; an upper surface; a left support; a bearing; a support sheet; a right end portion; an upper surface; a right support portion; a lattice portion; a longitudinal grid; a longitudinal grid; a transverse grid; a rear housing; a heat exchanger; an air supply fan; an electrical component enclosure; a drain pan assembly; a filter; a wind direction adjustment plate; a deformation inhibiting sheet; a parallel portion; a left inclined portion; a right angled portion; an abutment; a front surface bevel; 51A.. Front surface 1 st inclined portion; 51B.. Front surface 2 nd inclined portion; a back bevel; a rear 1 st inclined portion; rear 2 nd inclined portion; 53... Planar portion; an incision; 61... 1 st guide face; the 2 nd guide surface; 270.. A stiffener plate; a gusset support member; AX..

Claims (8)

1. An indoor unit of an air conditioner includes: a housing having a suction port for sucking air and a blow-out port for blowing out air-conditioned air; and a rectangular plate-like front surface design panel disposed on the front surface of the frame and rotatably supported by the frame,

the indoor unit of an air conditioner is characterized by comprising:

at least one deformation inhibiting sheet that protrudes in a direction away from the inner surface of the front surface appearance panel at a panel end portion of the front surface appearance panel that is closest to a rotation axis of the front surface appearance panel; and

and at least one abutting portion provided in the frame body, wherein the deformation suppressing member abuts against the abutting portion when the front surface design panel is positioned at a provisional fixing position in which a space is formed between the front surface design panel and the frame body.

2. An indoor unit of an air conditioner according to claim 1,

a flange protruding toward an inner surface side of the front surface decorative panel is formed on an outer edge of the front surface decorative panel, and the deformation inhibiting pieces protrude from flange side portions formed at the panel end portions of the flange.

3. The indoor unit of an air conditioner according to claim 1 or 2,

the frame body has: a rectangular frame; and a lattice part formed at a frame side part closest to the rotation shaft of the front surface appearance decorative panel among the frames and forming the suction opening,

the abutting portion is formed on the lattice portion.

4. An indoor unit of an air conditioner according to claim 3,

the grid part is provided with a plurality of vertical grids extending along the front-back direction of the indoor unit of the air conditioner,

the abutting portion is provided to at least one of the plurality of vertical bars.

5. An indoor unit of an air conditioner according to claim 4,

the deformation inhibiting sheet is formed in the center of the panel end portion of the front surface appearance decorative panel,

the abutting part is arranged on the vertical grid which is positioned in the center of the frame side part in the plurality of vertical grids.

6. The indoor unit of an air conditioner according to claim 4 or 5,

the deformation inhibiting sheet has a trapezoidal shape,

the abutting portion has a mountain-like shape when viewed from the side,

when the front surface appearance decorative panel is positioned at the temporarily fixed position,

the indoor unit of the air conditioner is configured to: the trapezoidal upper bottom of the deformation suppression sheet is in contact with the top of the abutment portion that is farthest from the vertical bars.

7. An indoor unit of an air conditioner according to claim 6,

the front surface decorative panel is configured to be attachable to and detachable from the frame body, and a notch corresponding to the deformation inhibiting piece is formed in the frame side portion,

the slit is formed by an inclined surface on which one of a pair of inclined portions constituting the trapezoidal shape of the deformation suppressing member can slide.

8. An indoor unit of an air conditioner according to claim 7,

the inclined surface of the cutout is inclined at the same angle as that of the one inclined portion with respect to the panel end.

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