JP2006258364A - Outdoor unit of separated type air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent a top plate from becoming difficult to be separated from an outdoor unit body by deformation of a screw hole on the outdoor unit body side by fastening of a screw, in an outdoor unit of a separation type air conditioner that is so structured that the top plate is screwed to the upper part of the outdoor unit body. <P>SOLUTION: In this outdoor unit of a separation type air conditioner, the lid-like top plate 12 for covering constituent members such as a compressor housed in the outdoor unit body is mounted to upper edge parts 11A of the outdoor unit body 11 by external fitting; and peripheral-side pieces 12A formed on edges of the top plate and upper edge parts of the outdoor unit body are fastened to each other by a plurality of screws 28. The outdoor unit is so structured that screw holes 29 and 30 for inserting the screws are formed on both the peripheral-side pieces 12A and the upper edge parts 11A of the outdoor unit body, respectively; and recessed parts 31 recessed inward relative to a contact surface X to the peripheral-side pieces 12A of the top plate 12 are formed around the screw holes 29 formed in the upper edge parts of the outdoor unit body. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an outdoor unit of a separation type air conditioner in which a lid-like top plate is attached to the upper part of an outdoor unit body and the top plate is screwed to the outdoor unit body.

Conventionally, in an outdoor unit of this type of separation-type air conditioner, the components housed in the outdoor unit body are placed on the upper part of the outdoor unit body that houses components such as a compressor, an accumulator, a heat exchanger, and a blower. An outdoor unit is known in which a lid-like top plate is externally fitted so as to be covered, and this top plate is fixed to the upper part of the outdoor unit main body with screws (see, for example, Patent Document 1).
JP-A-5-106870

  In general, in the outdoor unit of the conventional separation type air conditioner as described above, as shown in FIG. 7, the upper edge portion 1A formed with a step on the upper portion of the outdoor unit body 1 and the peripheral edge of the top plate 2 Screw holes 6 and 7 through which fastening screws 5 are inserted are provided on both of the peripheral side pieces 2 </ b> A that are integrally formed to hang down on the part. And these screw holes 6 and 7 are closer to the peripheral piece 2A side of the top plate 2 than the diameter D1 of the screw hole 6 opened on the upper edge 1A side of the outdoor unit body 1 so as to easily overlap each other. The diameter D2 of the screw hole 7 to be opened is set larger.

  Therefore, when the top plate 2 is fixed to the outdoor unit main body 1 with the screws 5, the periphery of the top plate 2 is pulled around the screw hole 6 opened on the upper edge 1 </ b> A side of the outdoor unit main body 1 by the tightening force of the screws 5. It deform | transforms so that it may protrude to the side piece 2A side. For this reason, even if the screw 5 is removed, the deformed projecting portion H enters the screw hole 7 on the peripheral piece 2A side and gets caught, and as a result, the top plate 2 cannot be easily detached from the outdoor unit body 1. May occur.

  In such a case, for example, during repairs or maintenance inspections, when the operator attempts to lift the top plate and remove it from the outdoor unit body, the entire outdoor unit will be lifted, and in that state, the heavy outdoor unit There is a risk that only the main body of the unit will fall inadvertently, and the components inside the outdoor unit may be damaged by the impact of the drop, or the operator may hurt his / her leg due to the dropped outdoor unit.

  The present invention has been made in view of the above circumstances, and in the outdoor unit of the separated type air conditioner in which the top plate is screwed to the upper part of the outdoor unit main body, the screw on the outdoor unit main body side by tightening the screw is provided. It is intended to prevent the top plate from being easily detached from the outdoor unit main body due to the deformation of the hole.

  According to the first aspect of the present invention, a lid-like top plate for covering components such as a compressor housed in the outdoor unit main body is attached to the upper edge portion of the outdoor unit main unit by external fitting. In the outdoor unit of the separated type air conditioner, wherein the peripheral side piece formed on the peripheral edge of the plate and the upper edge portion of the outdoor unit main body are tightened with a plurality of screws, the peripheral side plate of the top plate and the outdoor unit A screw hole for inserting the screw is provided on both the upper edge of the machine main body, and the periphery of the screw hole provided on the upper edge of the outdoor machine main body is connected to the peripheral side piece of the top plate. A recessed portion that is recessed inward from the contact surface is formed.

  According to a second aspect of the present invention, in the outdoor unit of the separation type air conditioner according to the first aspect, the concave portion is formed by seat pressing.

  According to a second aspect of the present invention, in the outdoor unit of the separation type air conditioner according to the second aspect, the depth of the pressing of the recessed portion is set to about 2 to 5 mm.

  According to the outdoor unit of the separation-type air conditioner of the present invention, the peripheral part of the screw hole provided in the upper edge part of the outdoor unit body has a recessed part recessed inward from the contact surface with the peripheral piece of the top plate. Therefore, even if the peripheral part of the screw hole on the outdoor unit body side deforms and protrudes due to the tightening force of the screw, the deformed protruding part is allowed in the recess, so it is opened on the peripheral side piece of the top plate. It is possible to prevent the deformed projecting portion from entering the screw hole and prevent the top plate from being easily detached from the outdoor unit body with a simple configuration.

  A compressor housed in the outdoor unit main body at the upper edge of the outdoor unit main body for preventing the top plate from being easily detached from the outdoor unit main body due to deformation of the screw hole due to screw tightening A lid-like top plate for covering components such as the above is attached by external fitting, and the peripheral piece formed on the periphery of the top plate and the upper edge of the outdoor unit main body are tightened via a plurality of screws. In the outdoor unit of the separated type air conditioner, screw holes for inserting screws are provided in both the peripheral side plate of the top plate and the upper edge of the outdoor unit main body, and provided in the upper edge of the outdoor unit main body. This was realized by forming a recessed portion recessed inward from the contact surface with the peripheral piece of the top plate at the periphery of the screw hole.

  Next, Example 1 of the outdoor unit of the separation type air conditioner according to the present invention will be described with reference to FIGS. FIG. 1 is a perspective view of an outdoor unit of a separation type air conditioner according to a first embodiment of the present invention. FIG. 2 is a schematic plan view of the outdoor unit. FIG. 3 is a perspective view of the outdoor unit with the top plate removed. FIG. 4 is an enlarged cross-sectional view of a main part of the outdoor unit. FIG. 5 is an enlarged perspective view of a main part of the outdoor unit main body.

  The outdoor unit 10 of a separation-type air conditioner such as an air conditioner is composed of an outdoor unit body 11 and a lid-like top plate 12 that is detachably attached to the upper part of the outdoor unit body 11. It has a box shape.

  The outdoor unit main body 11 includes a substantially rectangular bottom plate 13, a front panel 14, left and right side plates 15 and 16, and a suction side protective net 17 disposed between the left and right side plates 15 and 16 on the back side. The front panel 14 is provided with a front opening 18, and a blow grill 19 is attached so as to cover the front of the front opening 18. The top plate 12, the bottom plate 13, the front panel 14, and the left and right side plates 15 and 16 are each made of sheet metal.

  Next, the interior of the outdoor unit 10 will be described. The internal space of the outdoor unit 10 is divided into left and right by a partition plate 20 as shown in FIG. 2, and the left side chamber accommodates and arranges the outdoor heat exchanger 21 and the blower 22. The right-hand chamber is a machine chamber 26 in which a compressor 24, an accumulator 25, a four-way switching valve (not shown), and the like are accommodated. The compressor 24 and the outdoor heat exchanger 21 are fixed on the bottom plate 13.

  When the blower 22 is driven, outside air is sucked into the heat exchanger chamber 23 from the air hole (not shown) of the left side plate 15 and the back opening 27 covered with the protective net 17, and heat is generated by the outdoor heat exchanger 21. After the replacement, the air is blown out to the front of the front panel 14 through the front opening 18 and the blow grill 19.

  Next, the fixing structure of the top plate 12 to the outdoor unit body 11 will be described in detail. Upper edge portions 11A, 11A, and 11A each having a step recessed inward are formed at the upper ends of the front panel 14 and the left and right side plates 15 and 16 constituting the outdoor unit main body 11, respectively.

  On the other hand, the top plate 12 has a lid-like shape in which peripheral pieces 12A and 12A are integrally suspended around the entire periphery of the top plate 12. The top plate 12 is accommodated in the outdoor unit main body 11. In order to cover the components such as the compressor 24, the accumulator 25, and a four-way switching valve (not shown), it is attached over the upper edge portion 11A of the outdoor unit main body 11 by external fitting, and a plurality of screws 28, 28 are used. And tightened.

  Further, screw holes 29 and 30 through which the shaft portion 28A of the screw 28 is inserted are provided in both the upper edge portion 11A of the outdoor unit body 11 and the peripheral side plate 12A of the top plate 12, respectively. These screw holes 29 and 30 are closer to the peripheral piece 12A side of the top plate 12 than the diameter D1 of the screw hole 29 opened on the upper edge portion 11A side of the outdoor unit body 11 so as to easily overlap each other in the horizontal direction. The diameter D2 of the opened screw hole 30 is set to a larger diameter.

  As shown in FIGS. 4 and 5, the periphery of the screw hole 29 provided in the upper edge portion 11 </ b> A of the outdoor unit body 11 is more than the contact surface X with the peripheral piece 12 </ b> A of the top plate 12. Recess portions 31 each having a circular shape in plan view and recessed inward are formed. The recess 31 is formed by press-fitting by press working, and the depth dimension T is set to about 2 to 5 mm.

  When the top plate 12 is fixed to the outdoor unit main body 11 with the screws 28 in this way, the periphery of the screw hole 29 opened on the upper edge portion 11A side of the outdoor unit main body 11 is pulled by the tightening force of the screws 28, and the top plate 12 is deformed so as to project toward the circumferential piece 12A, but the deformed projecting portion H does not reach the screw hole 30 on the circumferential piece 12A side, but is accommodated in the recessed portion 31 and is formed in the recessed portion 31. Therefore, when the screw 28 is removed and the top panel 12 is removed from the outdoor unit body 11, it is possible to prevent a problem that the top panel 12 cannot be easily detached from the outdoor unit body 11.

  From the above, for example, when the operator lifts and removes the top plate 12 from the outdoor unit main body 11 during repair or maintenance inspection, the top plate 12 can be easily removed. The entire unit is lifted, and in that state, only the heavy outdoor unit body is accidentally dropped, the components in the outdoor unit body are damaged by the impact of the drop, or the operator drops their feet with the outdoor unit. The situation that hurts is avoided.

  FIG. 6 is an enlarged perspective view of a main part of the outdoor unit main body according to the second embodiment of the present invention. The same components as those in the first embodiment are denoted by the same reference numerals and the description thereof is simplified.

  In the first embodiment, a circular recessed portion in plan view that is recessed inward from the contact surface X with the peripheral piece 12A of the top plate 12 at the periphery of the screw hole 29 provided in the upper edge portion 11A of the outdoor unit main body 11. In the second embodiment, the shape of the recess 31 is formed in a tongue shape so that the upper part reaches the uppermost edge of the upper edge 11A.

  Even in the case of the second embodiment, the same effect as that of the first embodiment can be expected.

  As mentioned above, although the Example of this invention was explained in full detail, this invention is not limited to each said Example, A various change is made within the range of the summary of this invention described in the claim. Is possible.

It is a perspective view of the outdoor unit of the separation type air conditioner concerning Example 1 of the present invention. It is a schematic plan view of the outdoor unit. It is a perspective view of the outdoor unit of the state which similarly removed the top plate. It is the principal part expanded sectional view of an outdoor unit similarly. It is the principal part expansion perspective view of an outdoor unit main body similarly. It is a principal part expansion perspective view of the outdoor unit main body concerning Example 2 of this invention. It is a principal part expanded sectional view of the outdoor unit in the conventional separation-type air conditioner.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Outdoor unit 11 Outdoor unit main body 11A Upper edge part 12 Top plate 12A Circumference side piece 28 Screw 28A Screw shaft part 29 Screw hole 30 Screw hole 31 Recessed part D1 Diameter of screw hole on upper edge side D2 Screw on one side of circumference side Hole diameter H Deformed protrusion T Depth depth X Contact surface

Claims (3)

At the upper edge of the outdoor unit main body, a lid-like top plate for covering components such as a compressor housed in the outdoor unit main body is attached by external fitting, and a peripheral piece formed on the periphery of the top plate In the outdoor unit of the separation type air conditioner that is configured to tighten the upper edge portion of the outdoor unit main body via a plurality of screws,
Both the peripheral side plate of the top plate and the upper edge portion of the outdoor unit body are provided with screw holes through which the screws are inserted, and the periphery of the screw hole provided in the upper edge portion of the outdoor unit body is An outdoor unit for a separation-type air conditioner, wherein a recessed portion that is recessed inward from a contact surface with a peripheral piece of the top plate is formed. The outdoor unit of a separate type air conditioner according to claim 1, wherein the recessed portion is formed by seat pressing. The outdoor unit of the separated type air conditioner according to claim 2, wherein a depth of the recessed portion is set to about 2 to 5 mm.

Images