JP2008209095A - Air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioner which easily fits the locking piece of an installation frame body in the locking recessed part of an indoor unit even if the claw part of the locking recessed part is broken. <P>SOLUTION: This air conditioner in which the locking piece of the installation frame body attached to a wall in a room, is fitted in the claw part of the locking recessed part of the indoor unit to mount the indoor unit on the installation frame body, is provided with a reinforcing metal fitting 105 having: a body 108 fitted to the locking recessed part 100 of the indoor unit; a reinforcing claw part 106 formed on the body and shaped after the shape of the end of the claw part 104 of the locking recessed part; and an engagement projecting piece 107 formed on the body and engaged with the inner end wall of the claw part of the locking recessed part. The locking piece of the installation frame body is engaged with the reinforcing claw part of the reinforcing metal fitting mounted in the locking recessed part of the indoor unit, and thereby the indoor unit is mounted on the installation frame body. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an air conditioner that is attached to a wall via an installation frame.

  This type of air conditioner is disclosed in, for example, Patent Document 1 and the like, and an indoor unit that constitutes an air conditioner together with an outdoor unit is attached to an indoor wall via an installation frame.

An installation frame used as a back cover when the indoor unit is attached to the wall of the room is formed in, for example, a square shape, and this installation frame includes side plates that form four sides thereof. And when installing an air conditioner, while installing an outdoor unit in the outdoor suitable place, piping construction which connects an outdoor unit and an indoor unit with refrigerant | coolant piping etc. is performed. Next, when the indoor unit is attached to the indoor wall, the installation frame is attached in advance to an appropriate position on the wall, for example, with a plurality of screws. After that, the indoor unit is opposed to this installation frame, the indoor unit is moved toward the installation frame while confirming the connection state between the indoor unit and the refrigerant pipe, and the peripheral edge of the back of the indoor unit is applied to the installation frame. The indoor unit and the installation frame are fixed with a plurality of screws.
Japanese Patent No. 2919721

By the way, conventionally, before fixing the indoor unit and the installation frame body with screws, the locking piece of the installation frame body is fitted to the claw portion of the locking recess of the indoor unit, and the indoor unit and the installation frame body are connected. Temporarily fixed. However, the claw portion of the locking recess is made of resin, and the claw portion may be lost due to impact during packing, transportation, etc. after shipment from the factory. When the claw is missing, conventionally, a special metal fitting is screwed to the engagement recess, and the engagement piece of the installation frame is temporarily fixed to the metal fitting, but the screwing operation of the metal fitting is difficult. The workers were forced to make unnecessary efforts.
Accordingly, the object of the present invention is to solve the above-mentioned problems of the prior art, and even if the claw portion of the locking recess is lost, the locking piece of the installation frame body can be easily used as the locking recess of the indoor unit. An object of the present invention is to provide an air conditioner that can be fitted to the air conditioner.

  According to the present invention, in the air conditioner for fitting the indoor unit to the installation frame body by fitting the engagement piece of the installation frame body attached to the wall of the room to the claw portion of the engagement recess of the indoor unit, A main body that fits into the locking recess of the indoor unit, a reinforcing claw portion that is formed in the main body and has a shape that follows the tip shape of the claw portion of the locking recess, and the locking pin that is formed in the main body A reinforcing bracket having an engaging projection piece that engages with the rear end wall of the claw portion of the recess, and the locking piece of the installation frame body is engaged with the reinforcing claw portion of the reinforcing bracket that is attached to the locking recess of the indoor unit. Thus, the indoor unit can be attached to the installation frame.

  In the present invention, the reinforcing metal fitting can be easily mounted in the locking recess simply by pushing the main body of the reinforcing metal fitting into the locking recess. Since it has a nail | claw part, an installation frame body can be easily attached to the back surface of an indoor unit by using this reinforcement nail | claw part and engaging a latching piece.

  In this case, the installation frame body is composed of an upper frame and a lower frame, and a lower frame locking piece of the lower frame is engaged with a reinforcing claw portion of the reinforcing bracket attached to the locking recess of the indoor unit. The indoor unit may be attachable to the installation frame. Moreover, the said reinforcement metal fitting may be used when the nail | claw part defect | deletion of the said latching recessed part is used.

  In the present invention, a main body that fits into the locking concave portion of the indoor unit, a reinforcing claw portion that is formed in the main body and has a shape that follows the tip shape of the claw portion of the locking concave portion, and a locking pin that is formed on the main body. Reinforcing metal fittings that have engaging projections that engage the inner wall of the claw part of the recessed part are provided, so even if the claw part is lost, it does not take time and can be handled easily. Is possible.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
In FIG. 1, reference numeral 1 denotes an indoor unit connected to an outdoor unit through a refrigerant pipe. The indoor unit 1 includes a front part 2 and a rear part 3, and an air suction port 4 is formed on the front surface of the front part. The blower outlet 5 is formed in the lower part and connected to an outdoor unit (not shown) by piping. Reference numeral 6 denotes an installation frame fixed to the indoor wall 7, and the indoor unit 1 is installed on the wall 7 via the installation frame 6.

  Reference numerals 11 and 12 denote refrigerant pipes covered with the pipe cover 10, and 13 and 14 denote an inlet side hot water pipe and an outlet side hot water pipe, respectively. The pipe cover 10 (refrigerant pipes 11 and 12) is supported by a stand 15 having a U-shaped cross section provided in the rear portion 3, and the inlet-side hot water pipe 13 and the outlet-side hot water pipe 14 are respectively mounted on the installation frame 6 vertically. Are supported by pipe holders 16 and 17 having an L-shaped cross section provided at intervals.

  Hereinafter, the configuration of the installation frame 6 will be described. As shown in FIG. 2, the installation frame 6 includes an upper frame 21 and a lower frame 22 formed by welding a plurality of metal plates, for example, and the upper frame 21 is attached to the wall 7 or the wall 7. The mounting plate 23 is attached to a mounting plate (not shown), and left and right side plates 24, 25 and an upper plate 26 which are bent from the left and right side edges and the upper edge of the mounting board 23. Yes. A plurality of screw through holes 27 for attaching the upper frame 21 to the wall 7 or the like are formed in the attachment plate 23.

  Further, the upper plate 26 is formed with upper frame locking pieces 28 and 28 which are locking portions whose bent ends are directed upward. The upper fitting pieces 31, 32, which are elastic upper fitting portions extending downward and facing each other, face each other, and the bent portions (vertices) 33, 34 are formed to face outward. Has been.

  The mounting plate 23 includes support plates 37, 38 and 39 attached by welding, for example, at intervals, and a connection plate 41 attached by welding, for example, to the lower ends of the support plates 37, 38 and 39. ing. A plurality of mounting screw through holes 42 are formed in each of the support plates 37, 38, 39, and the pipe pressers 16, 17 are formed in the left support plate 37 so as to be displaced in the vertical direction. The right support plate 39 is formed with a support portion 43 having an L-shaped cross section of the drain pipe 67. Connection pieces 44 and 45, which are bent and extended forward, are formed on the left and right parts of the connection plate 41. The connection pieces 44 and 45 have upper frame side through holes 46 and 47 for connection screws. Is formed.

  On the other hand, the lower frame 22 has an L-shape and is composed of a lower plate 51 and left and right side plates 52 and 53, and upper portions formed on connection pieces 44 and 45 of the upper frame 21 at both left and right portions of the lower plate 51. Lower frame side through holes 54 and 55 of connecting screws facing the frame side through holes 46 and 47 are formed. Also, lower frame locking pieces 56, 56 are formed on the upper edge of the lower plate 51, and the lower frame locking pieces 56, 56 correspond to the locking recesses 100 (see FIG. 3) of the indoor unit 1. .

  At the upper ends of the left and right side plates 52, 53, a lower fitting piece 57, which corresponds to the upper fitting pieces 31, 32, is bent in a U shape and extends upward, and has elasticity. , 58 are opposed to each other, and the bent portions (vertices) 61, 62 are formed to face outward in the same manner as the bent portions 33, 34 of the upper fitting pieces 31, 32. In addition, flanges 63 are formed at a plurality of locations on the lower plate 51 of the lower frame 22.

  FIG. 3 is a view of the resin frame of the indoor unit 1 as seen from the back side of the rear part 3. A pair of left and right locking recesses 100 with which the lower frame locking pieces 56, 56 of the installation frame 6 are engaged are provided at the lower edge of the frame 101. As shown in FIG. 4, the locking recess 100 includes a locking body 102 that is integrally formed with resin on the upper surface of the lower edge frame 101 a of the frame 101, and the locking body 102 is as shown in FIG. 5A. In addition, an opening 103 for receiving the lower frame locking pieces 56, 56, and a claw 104 formed at the upper entrance of the opening 103 are included.

In the present embodiment, as shown in FIGS. 4 and 5, a reinforcing metal fitting 105 that can be fitted into the locking recess 100 is prepared as an option.
As shown in FIGS. 5B, 5C, and 5D, the reinforcing metal fitting 105 is formed by pressing and bending a single steel plate, and has a U-shaped main body 108 that fits into the locking recess 100. A reinforcing claw 106 formed on the main body 108 and having a shape following the shape of the tip of the claw 104 of the locking recess 100, and a claw part deep end wall 104 a formed on the main body 108 and engaged with the claw And an engaging projection piece 107.
5B, the U-shaped main body 108 is inserted toward the locking recess 100, and the main body 108 reaches the deepest portion of the locking recess 100 as shown in FIG. 5C. Then, the engaging projection piece 107 engages with the claw portion rear end wall 104a and is fixed in the locking recess 100 so as not to be pulled out.

Hereinafter, a method for attaching the indoor unit 1 to the wall 7 will be described.
First, as shown in FIG. 6, one upper frame 21 constituting the installation frame 6 is attached to the wall 7. In this case, a plurality of mounting screws 60 are attached through the screw through holes 27 and 42. Reference numeral 65 denotes an opening (hereinafter referred to as “piping opening”) of a refrigerant pipe and a hot water pipe formed in advance on the wall 7, and 66 denotes an opening (hereinafter referred to as “drain opening”) of a drain pipe 67 formed in advance on the wall 7. Part)).

  Next, as shown in FIG. 7, the other lower frame 22 of the installation frame 6 is temporarily fixed to the indoor unit 1. In this case, the flange 63 formed at the edge of the lower frame 22 is positioned inside the indoor unit 1, and the left and right lower frame locking pieces 56, 56 are sandwiched between the locking recesses 100 of the indoor unit 1, so that the indoor unit 1 The lower frame 22 is temporarily fixed to the lower part of the back side of the frame.

In this state, the pipe cover 10 (refrigerant pipes 11 and 12) extending from the indoor unit 1 is passed through the pipe opening 65, and the inlet side hot water pipe 13 and the outlet side hot water pipe 14 are respectively connected to the pipe holder 16 of the upper frame 21. , 17 in a state of being supported by the pipe opening 65. Further, the drain pipe 67 is passed through the drain opening 66.
And in the state which made the indoor unit 1 slant, the to-be-latched part (not shown) formed in the back surface (back) upper part of the indoor unit 1 was made to latch to the upper frame latching piece 28 of the upper frame 21, The indoor unit 1 is suspended and supported by the upper frame 21 at the top.

  Thereafter, the worker rotates the indoor unit 1 toward the wall 7 with the upper frame locking piece 28 as a fulcrum. At this time, the inlet side hot water pipe 13 and the outlet side hot water pipe 14 are supported by the pipe holders 16 and 17 of the upper frame 21, respectively, and the drain pipe 67 passed through the drain opening 66 is supported by the support part 43. In this case, the operator can connect the pipe cover 10 (refrigerant pipes 11 and 12) and the hot water pipes 13 and 14 extending from the indoor unit 1 due to the distance between the lower frame 22 and the wall 7 that are attached to the indoor unit 1 in advance. The indoor unit 1 is rotated while checking the state of the pipe cover 10 (refrigerant pipes 11 and 12) and the pipe openings 65 of the hot water pipes 13 and 14, and the state of the drain opening 66 of the drain pipe 67. .

  When the indoor unit 1 is further rotated, the lower fitting pieces 57 and 58 of the left and right portions of the lower frame 22 are positioned outside the upper fitting pieces 31 and 32 of the left and right portions of the upper frame 21, respectively. The lower frame 22 is connected to the upper frame 21 by further rotating the indoor unit 1 while fitting them. Thereafter, as shown in FIG. 7, screws 70 and 70 are screwed into the lower frame side through holes 54 and 55 and the upper frame side through holes 46 and 47. Accordingly, the lower frame 22 is securely fixed to the upper frame 21 together with the above-described fitting state. As a result, the lower portion of the indoor unit 1 is solidified to the upper frame 21 via the lower frame 22, and the upper frame 21 is interposed. Fixed to the wall 7.

  In the present embodiment, when the lower frame 22 is temporarily fixed to the lower rear portion of the indoor unit 1 when the indoor unit 1 is mounted, the left and right lower frame members are normally attached to the resin claw portions 104 shown in FIG. 5A. The stop pieces 56 and 56 are directly engaged and temporarily fixed.

  However, after shipment of the indoor unit 1 from the factory, the claw portion 104 made of resin may be lost due to an impact during transportation. At the time of a defect, as shown in FIGS. 5B and 5C, the reinforcing metal fitting 105 is attached to the locking recess 100. The reinforcing bracket 105 can be easily mounted in the locking recess 100 simply by pushing the U-shaped main body 108 toward the locking recess 100. After mounting, the reinforcing bracket 105 is attached to the claw portion. Since the reinforcing claw portion 106 that follows the tip shape of the 104 is provided, the lower frame 22 is formed at the lower back of the indoor unit 1 by engaging the lower frame locking pieces 56, 56 using the reinforcing claw portion 106. Can be temporarily fixed.

  As described above, in the present embodiment, by providing the reinforcing metal fitting 105 as an option, even if a situation where the resin-made claw portion 104 is lost occurs, it does not take time and is simple as in the past. It becomes possible to cope with.

  Although one embodiment of the present invention has been described above, various alternatives, modifications, and variations can be made by those skilled in the art based on the above description, and the various alternatives described above are within the scope of the present invention. , Including modifications or variations. For example, in the above configuration, the reinforcing metal fitting 105 is used for the first time when the claw portion 104 is missing. However, the present invention is not limited to this. Alternatively, the reinforcing metal fitting 105 may be always attached to the engaging recess 100, and the lower frame engaging pieces 56, 56 may be engaged with the reinforcing metal fitting 105 and temporarily fixed.

It is a side view of the indoor unit and installation frame which can be partially broken. It is a perspective view of an upper frame and a lower frame. It is the figure which looked at the frame of the indoor unit from the back. It is a perspective view which shows the latching | locking part formed in the flame | frame. A is a cross-sectional view of the locking portion, B is a cross-sectional view showing a state before the reinforcing metal fitting is inserted into the locking portion, C is a cross-sectional view after mounting, and D is a perspective view of the reinforcing metal fitting. It is a perspective view which shows the attachment state to the wall of an upper frame. It is a perspective view which shows the state in the middle at the time of indoor unit attachment.

Explanation of symbols

1 Indoor Unit 6 Installation Frame 7 Wall 56 Lower Frame Locking Piece (Locking Piece)
DESCRIPTION OF SYMBOLS 100 Locking recessed part 101 Frame 102 Locking body 103 Opening part 104 Claw part 104a Claw part back end wall 105 Reinforcement metal fitting 106 Reinforcement claw part 107 Engagement protrusion piece 108 Main body

Claims (3)

In the air conditioner for fitting the indoor unit to the installation frame body by fitting the locking piece of the installation frame body attached to the indoor wall to the claw portion of the locking recess of the indoor unit,
A main body that fits into the locking recess of the indoor unit, a reinforcing claw portion that is formed in the main body and has a shape that follows the tip shape of the claw portion of the locking recess, and the locking pin that is formed in the main body A reinforcing bracket having an engaging projection piece that engages with the rear end wall of the claw portion of the recess, and the locking piece of the installation frame body is engaged with the reinforcing claw portion of the reinforcing bracket that is attached to the locking recess of the indoor unit. An air conditioner characterized in that the indoor unit can be attached to an installation frame. The installation frame comprises an upper frame and a lower frame;
The indoor unit can be attached to the installation frame body by engaging a lower frame locking piece of the lower frame with a reinforcing claw portion of the reinforcing bracket attached to the locking recess of the indoor unit. Item 2. An air conditioner according to Item 1.   The air conditioner according to claim 1 or 2, wherein the reinforcing metal fitting is used when the claw portion of the locking recess is missing.

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