JP2008039235A - Air conditioner outdoor unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an outdoor unit for an air conditioner, capable of simplifying screwing work into the base of a front plate, and reducing the thickness of the front plate and the weight thereof. <P>SOLUTION: This outdoor unit is provided with: the base 2 mounting thereon a blower (not shown in drawings) and also having a male screw part 2a; the front plate 3 positioned on the front side of the blower, having a screw hole 3a, and screwed on the base 2 with a screw 4 passing through the screw hole 3a; and a metallic hook tool 1 mounted on the base 2. The metallic hook tool 1 has a positioning function for holding the front plate 3 and also matching the center of the male screw part 2a with that of the screw hole 3a, before screwing the front plate 3 on the base 2. Since screwing work of the front plate 3 on the base 2 is facilitated and also it is not necessary for the front plate 3 to have a hook part to the base 2, the thickness of the front plate 3 and the weight thereof can be reduced. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an outdoor unit of an air conditioner, and more particularly to a screw fastening structure between a substrate and a front plate.

  A conventional outdoor unit of an air conditioner will be described with reference to FIG. FIG. 4 is a perspective view showing a state in which a front plate and a side plate of an outdoor unit of a conventional air conditioner are removed.

  In FIG. 4, a conventional outdoor unit of an air conditioner has a blower 6 disposed on one side of a substrate 2 partitioned by a soundproof plate 7, and a front plate provided with a through hole 3d in front of the blower 6. 3, a side plate 5 having ventilation holes 5 b formed on the side of the blower 6, and an L-shape sandwiched by end plates (not shown) on the rear and side portions of the substrate 2. The outdoor heat exchanger 8 is provided.

Further, in order to facilitate the fastening operation of the front plate 3 to the substrate 2 with the screws 4, the front plate 3 is provided with a hooking portion 11, and the side plate 5 opposed thereto is provided with a notch portion 12. Then, the front plate 3 is held before the front plate 3 is fastened by the screw 4 to the substrate 2 by hooking the hook portion 11 of the front plate 3 on the notch portion 12 provided in the side plate 5. The female screw portion 2a provided on the front plate 3 and the screw hole 3a provided on the front plate 3 are positioned (see, for example, Patent Document 1).
Japanese Utility Model Publication No. 5-3822 (Microfilm of Japanese Utility Model Application No. 3-55839)

  However, in the configuration of the conventional outdoor unit of the air conditioner, the front plate 3 is integrated with the hooking portion 11 so that the outer shape of the front plate 3 is increased, thereby increasing the cost and increasing the strength of the hooking portion 11. The problem that it is difficult to reduce the thickness and weight of the front plate 3, and the provision of the notch 12 on the side plate 5 side reduces the strength, or rainwater enters from the notch 12. It had a problem.

  SUMMARY OF THE INVENTION The present invention solves the above-described conventional problems, and can easily attach a front plate, can reduce the thickness and weight of the front plate, and is an outdoor unit for an air conditioner that does not allow rainwater to enter. The purpose is to provide.

  In order to solve the above-described conventional problems, an outdoor unit of an air conditioner according to the present invention includes a board on which a blower is attached and a female screw part, a screw hole located on the front side of the blower, and the screw hole. A front plate screwed to the substrate with a screw penetrating the substrate, and a metal hook attached to the substrate, the metal hook before the front plate is screwed to the substrate. In addition to holding the front plate and having a positioning function for matching the center of the female screw portion with that of the screw hole, the screwing operation of the front plate to the substrate is facilitated, and the front plate Since there is no need to provide a hooking portion on the substrate, the front plate can be made thinner and lighter. Further, since it is not necessary to provide a notch for hooking the front plate on the side plate, rainwater does not enter from that portion.

  Brush

  The outdoor unit of the air conditioner of the present invention can be easily screwed to the board of the front plate, and the front plate can be made thinner and lighter, and rainwater does not enter.

  With an inexpensive configuration, the front plate can be made thinner and lighter.

  The first invention is a board 2 having a female screw part attached to a blower and a front plate that is positioned on the front side of the blower and has a screw hole and is screwed to the board with a screw that passes through the screw hole. And a metal hook attached to the substrate, the metal hook holding the front plate before screwing the front plate to the substrate, and the female screw portion. Since it has a positioning function to match the center and that of the screw hole, it is easy to screw the front plate to the substrate, and it is not necessary to provide a hook or the like on the front plate, The front plate can be made thinner and lighter. Further, since it is not necessary to provide a notch for hooking the front plate on the side plate, rainwater does not enter from that portion.

  In the second invention, in particular, a flange portion in close contact with the front plate is provided on a part of the metal hook of the first invention, and the gap between the substrate and the front plate can be closed.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a perspective view of an outdoor unit of an air conditioner according to a first embodiment of the present invention. FIG. 2 is a perspective view of a main part of the outdoor unit of the air conditioner (a state before a front plate is attached). 3 is a cross-sectional view taken along the line AA in FIG. In addition, about the same part as a prior art example, the same code is attached and the description is abbreviate | omitted.

  1 and 2, the outdoor unit 10 of the air conditioner in the present embodiment includes a board 2 on which a blower 6 (see FIG. 4) and an outdoor heat exchanger 8 (see FIG. 4) are attached, and a screw on the board 2. A side plate 5 which is stopped and located on the side of the blower 6 and a front plate 3 which is located on the front side of the blower 6 and is attached to the substrate 2 via the metal hook 1 by screws 4 are provided.

  As shown in FIGS. 2 and 3, the metal hook 1 is attached to the substrate 2 from above so as to sandwich the substrate 2, and before the front plate 3 is screwed to the substrate 2, the front plate 3 The lower end 3b is held, and the female screw portion 2a provided in the substrate 2 and the screw hole 3a provided in the front plate 3 are positioned. Reference numeral 2b denotes a stepped portion for preventing a displacement in the horizontal direction when the metal hook 1 is mounted on the substrate 2, and is provided integrally on both sides of the female screw portion 2a of the substrate 2.

  Next, a method for attaching the front plate 3 to the substrate 2 will be described.

  First, the metal hook 1 is mounted on the stepped portion 2b provided on the substrate 2 from above. At this time, the position of the metal hooking tool 1 in the left-right direction is determined, and the centers of the female screw portion 2a provided in the substrate 2 and the opening 1b provided in the metal hooking tool 1 are matched. It has become.

  Next, when the lower end 3b of the front plate 3 is placed on the lower flange 1c of the metal hook 1, the downward displacement of the front plate 3 is prevented, and the position of the screw hole 3a provided in the front plate 3 and the metal The opening 1b provided in the hook 1 is made to coincide with the vertical direction.

When the side walls 3c on both sides of the front plate 3 are fitted to the front edges 5a of the left and right side plates 5, the front plate 3 is positioned in the left-right direction, and the center of the screw hole 3a provided in the front plate 3 is Since the center of the opening 1b provided in the metal hook 1 coincides with the center, the front plate 3 can be easily screwed to the substrate 2 with the screw 4.

  As described above, according to the present embodiment, the screwing operation of the front plate 3 to the substrate 2 is facilitated, and it is not necessary to provide the front plate 3 with a hooking portion or the like on the substrate 2. 3 can be made thinner and lighter. Further, since it is not necessary to provide a notch for hooking the front plate 3 on the side plate 5, rainwater does not enter from that portion.

  In addition, since a flange portion 1a that is in close contact with the front plate 3 is provided in a part of the metal hook 1, a gap between the substrate 2 and the front plate 3 is blocked, and the substrate 2 and the front plate 3 are closed. The adhesion of the plate 3 is improved.

  As described above, the outdoor unit of the air conditioner according to the present invention facilitates the screwing operation of the front plate to the substrate, and it is not necessary to provide the front plate with a hook portion on the substrate. The plate can be made thinner and lighter and can be widely applied not only to the outdoor unit of an air conditioner but also to various devices having an outer shell made of a metal material such as a water heater and a heating device.

The perspective view of the outdoor unit of the air conditioner in the 1st Embodiment of this invention Perspective view of the main part of the outdoor unit of the air conditioner (before mounting the front plate) AA sectional view of FIG. The perspective view which shows the state which removed the front board and side plate of the outdoor unit of the conventional air conditioner

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Metal hook 1a Flange part 2 Board | substrate 2a Female thread part 3 Front plate 3a Screw hole 4 Screw 5 Side plate 6 Blower 8 Outdoor heat exchanger 10 Air conditioner outdoor unit

Claims (2)

A board having a female screw part attached to the blower, a front plate positioned on the front side of the blower, having a screw hole and screwed to the board with a screw penetrating the screw hole, and attached to the board The metal hooking tool holds the front plate before the front plate is screwed to the substrate, the center of the female screw portion, and the screw hole. An outdoor unit of an air conditioner characterized by having a positioning function for matching it. The outdoor unit for an air conditioner according to claim 1, wherein a flange portion in close contact with the front plate is provided on a part of the metal hook.

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