JP2006292270A - Outdoor unit for air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an outdoor unit for an air conditioner in which the mounting of a machine chamber front plate is facilitated. <P>SOLUTION: An outer box of the outdoor unit for an air conditioner comprises a top plate (not shown) arranged at the top; an outlet front plate 102 having an outlet (not shown) blowing air from a blower (not shown); the machine chamber front plate 103 covering the front of a machine chamber (not shown); and side plates (not shown) covering sides thereof. Substantially L-shaped locking claws 110 are provided on the machine chamber front plate, and engagement holes 111 engaged with the locking claws are formed in positions opposed to the locking claws at ends of the outlet port front plate 102 and the side plates. Each locking claw has projections 12, and each engagement hole has protruding parts which are protruded to the inside from the end of the engagement hole. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an outdoor unit of an air conditioner, and more particularly to a mounting configuration of an outer box that forms an outline of the outdoor unit.

  In outdoor units of large-capacity type room air conditioners and outdoor units of packaged air conditioners, pipe connections protruding from the exterior are accommodated inside the outdoor unit in general room air conditioners due to the continuous installation of outdoor units. . Therefore, in order to perform piping connection work at the time of installation, additional refrigerant charging work, and operation of various setting switches provided on the outdoor unit control board according to the installation state, it is provided in the compressor room or the upper part of the compressor room. It is necessary to work by removing the machine room front plate that covers the electrical component room for storing the control board and the like. Therefore, the outdoor unit of the conventional air conditioner has a configuration in which the machine room front plate can be easily removed by loosening several screws (for example, see Patent Document 1).

  Below, the outer box structure of the outdoor unit of the conventional air conditioner is demonstrated using FIG. 4, FIG.

  In FIG. 4, the outer box 90a of the outdoor unit 90 includes a unit base 100, a top plate 101 that covers the top surface, a blower port front plate 102 that covers the front surface and is provided with a blower port 102a of a blower (not shown), a compressor A compressor chamber 106a containing a control unit 106, an electrical component chamber 104 for housing a control board and the like (not shown), and a machine room front plate 103 having a substantially L-shaped cross section, a side plate 105a covering the right side surface, and a side plate 105b. Has been. The machine room front plate 103 is formed by a front surface portion 103a, a right side surface portion 103b, and a left end portion 103c, and the upper and lower ends of the machine room front plate 103 are fastened to the top plate 101 and the unit base 100 by screws 103d, respectively. ing.

  FIG. 5 is an enlarged detailed view of the D portion of the right side surface portion 103b and the E portion of the side plate 105b of the machine room front plate 103 in FIG. As shown in FIG. 5, a substantially L-shaped locking claw 110 is provided in each vertical portion of the right side surface 103 b and the left side end portion 103 c of the machine room front plate 103, and also corresponds to the locking claw 110. A plurality of square engaging holes 111 are provided in the vertical end portions of the front outlet plate 102 and the side plate 105b.

  When the outdoor unit 90 is continuously installed in the lateral direction, the locking claws 110 protrude in the depth direction of the outdoor unit 90 at both ends so that the machine room front plate 103 can be removed in the front direction of the outdoor unit 90. The corresponding engagement holes 111 are formed so as to be orthogonal to the locking claws 110.

As described above, the machine room front plate 103 is attached by engaging the engagement holes 111 and the engagement holes 111 provided on the right side surface portion 103b and the left end portion 103c of the machine room front plate 103. After that, the upper end and the lower end of the machine room front plate are further fastened to the top plate 101 and the unit base 100 with one screw 103d, respectively, and the outlet front plate 102, the side plate 105a, and the side plate Since it can adhere to 105b, it is not necessary to use many screws.
JP-A-6-123446

However, in the conventional configuration, when the machine room front plate is attached to the outdoor unit, the machine room front plate is made of metal and has a large surface area until the screw is stopped. The screw hole will shift. Therefore, it is necessary for the operator to hold the machine room front plate by hand so that the machine room front plate does not fall downward, and the installation work is difficult. When working with a large number of people, one person must hold the machine room front plate and the other person must fasten the screws. In addition, when working alone, it is difficult to attach the machine room front plate, and when the operator is not careful, the locking claw and the engagement hole are removed, and the machine room front plate is removed. Dropped from the outdoor unit, causing damage and deformation.

  In response to the above problems, the present invention provides an outdoor unit for an air conditioner that can be attached to the front plate of the machine room part easily and reliably even when working alone without impairing the appearance with an inexpensive configuration. The task is to do.

  In order to solve the above-described conventional problems, the present invention provides a top plate disposed on a top surface, a front plate provided with a blowout port for blowing out air from a blower, and a machine room covering a front part of a machine room In the outer box of the outdoor unit composed of the front plate and the side plate covering the side surface, the machine room front plate is provided with a substantially L-shaped locking claw, and the blower port front plate and the side plate A configuration in which an engagement hole that engages with the locking claw is provided, a protruding portion that protrudes in the lateral direction is provided on the locking claw, and a convex portion that is convex toward the inside of the hole is provided in the engagement hole. It is what.

  As a result, the projection is engaged and held with the recess formed between the projections provided in the engagement hole, so that the machine room front plate does not shift downward and can be reliably and easily by one person. The machine room front plate can be attached to the blower port front plate and the side plate.

  The outdoor unit of the air conditioner of the present invention can be securely and easily attached to the machine room front plate by one person without impairing the appearance with an inexpensive configuration.

  1st invention covers the top plate arrange | positioned on the top | upper surface, the blower outlet front plate which provided the blower outlet which blows off the wind of an air blower, the machine room front plate which covers the front part of a machine room, and a side surface In the outer box of the outdoor unit composed of side plates, engagement holes that are provided with substantially L-shaped locking claws on the machine room front plate and engage with the locking claws on the blower port front plate and the side plate Provided with a protrusion projecting in the lateral direction of the locking claw, and provided with a protruding portion protruding toward the inside of the hole in the engagement hole. Since the provided projection is engaged and held with the recess formed between the projections provided in the engagement hole, the machine room front plate does not shift downward, and it can be reliably and alone. The machine room front plate can be easily attached to the blowing port front plate and the side plate. The machine room refers to a space having a compressor or a space having electrical parts.

  2nd invention comprises the insertion part which the said latching claw inserts in the said engagement hole, and the latching part which consists of a convex part which a latching claw latches, and when attaching a machine room part front plate, If the locking claw is inserted into the engagement hole insertion portion and slid upward, the locking claw can be smoothly inserted into the engagement hole. It can be attached to the front plate and the side plate.

  In the third invention, the protrusion of the first to second inventions has a shape that is long in the depth direction of the outdoor unit, so that between the machine room front plate and the outlet or the side plate, Even if a slight misalignment occurs, the projection is engaged and held with a recess formed between the projections provided in the engagement hole, so that the machine chamber front plate is shifted downward. The machine room front plate can be attached to the blower port front plate and the side plate reliably and easily by one person.

  4th invention provides multiple convex parts provided in the latching | locking part of the engagement hole of 1st-3rd invention, arrange | positions in a staggered position, and engages with the recessed part formed between the said convex parts. As described above, by changing the projecting direction of the plurality of protrusions, when the locking claw is slid upward, the front plate of the machine chamber section is surely placed in a predetermined position without rattling. Can do.

  The fifth aspect of the invention is that when the locking claw is attached to the engagement hole because the inclination on the upper side of the vertical cross-sectional shape of the protrusions of the first to fourth aspects is looser than the inclination on the lower side, The latching claw smoothly climbs over the convex part provided in the engagement hole, and the lower side is raised more than the upper side, so the front plate of the machine room part is less likely to fall downward, and it is securely engaged and held. be able to.

  6th invention makes the shape of the protrusion of 1st-2nd invention into a circular shape, and arrange | positions multiple protrusions in zigzag form, The said machine room part front plate and the said blower outlet front plate Alternatively, even if a slight positional deviation occurs between the side plates, any one of the protrusions is engaged with and held by a recess formed between the protrusions provided in the engagement hole. The chamber front plate is not displaced downward, and the machine chamber front plate can be attached to the blower port front plate and the side plate reliably and easily by one person.

  7th invention arrange | positions the convex part provided in the latching | locking part of the engagement hole of 6th invention in the staggered position, and the said protrusion so that it may engage with the recessed part formed between the said convex parts By changing the projecting direction, when the locking claw is slid upward, the front plate of the machine chamber portion can be surely placed in a predetermined position without rattling.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to this embodiment. For example, the present invention can be implemented even if the side plate and the machine room front plate constituting the outdoor unit are integrated.

(Embodiment 1)
Since the outer box configuration of the outdoor unit of the air conditioner in Embodiment 1 of the present invention is the same as that of the conventional example, the description thereof is omitted. FIG. 1 is a partial perspective view showing a configuration of a locking claw and an engagement hole in Embodiment 1 of the present invention.

  The locking claw 110 is provided with a protrusion 12 having a width in the depth direction of the outdoor unit, and the engagement hole 111 has a plurality of protrusions that protrude from the end of the engagement hole toward the inside of the hole. 13 is provided in a staggered position, and the projecting direction of the projecting portion 12 is changed so as to engage with a recess formed between the projecting portions 13. The engagement hole 111 includes an insertion portion 16 into which the locking claw 110 is inserted and a hooking portion 17 including a convex portion 13 on which the locking claw 110 is hooked. As a result, since the protrusion 12 has a shape that is long in the depth direction, the concave portion formed between the protrusion 12 and the convex portion 13 can be engaged even if a slight positional deviation occurs. Since the protrusion 12 is provided in a staggered position and the protruding direction of the protrusion 12 is changed accordingly, the machine room front plate 103 can be stored in a predetermined position without rattling, and the engagement hole 111 is hooked with the insertion portion 16. By configuring the stop portion 17, when attaching the machine room front plate 103 to the outdoor unit 90, it is sufficient to insert the locking claw 110 into the insertion portion 16 of the engagement hole 111 and slide it upward. Thus, the machine room front plate 103 can be attached reliably and easily.

  FIG. 2 is a cross-sectional view taken along the line AA in FIG. As a result, the locking claw 110 smoothly moves over the convex portion 13 provided in the engaging hole 111, and the lower side 19 of the vertical cross-sectional shape of the protruding portion 12 is larger than the upper side 18, so that the machine The chamber front plate is less likely to drop downward, and can be reliably engaged and held.

  Therefore, by configuring the outdoor unit of the air conditioner as described above, it is possible to reliably and easily attach the front plate of the machine room by one person without impairing the appearance with an inexpensive configuration.

(Embodiment 2)
FIG. 3 is a perspective view of a locking claw in the second embodiment of the present invention. FIG.3 (b) is BB sectional drawing of Fig.3 (a). Note that the same parts as those of the first embodiment are denoted by the same reference numerals, and the description thereof is omitted. In FIG. 3, circular protrusions 15 are provided on the locking claw 110 and arranged in a staggered manner, and the engagement hole 111 has a plurality of protrusions that protrude from the end of the engagement hole 111 toward the inside of the hole. The part 13 is arranged at the staggered position. With this configuration, the circular protrusion 15 is engaged and held in the recess formed between the protrusions 13 provided in the engagement hole 111, and the protrusion 13 is disposed at the staggered position. The chamber front plate 103 can be held at a predetermined position without rattling.

  As described above, the outdoor unit of the air conditioner according to the present invention has an inexpensive configuration, does not impair the appearance, and can be easily and reliably attached to the front plate when installed alone. The efficiency is very good. Therefore, it is applicable not only to the outdoor unit of the air conditioner but also to various devices or apparatuses having doors and lids that need to be attached or detached at the time of installation or service.

The partial perspective view which shows the structure of the latching claw and the engagement hole in Embodiment 1 of this invention AA sectional view in FIG. (A) The perspective view of the latching claw in Embodiment 2 of this invention, (b) BB sectional drawing The development perspective view of the outdoor unit of the conventional air conditioner (A) Front view showing engagement method of D part and E part in FIG. 4, (b) CC sectional view

Explanation of symbols

DESCRIPTION OF SYMBOLS 90 Outdoor unit 90a Outer box 101 Top plate 102 Outlet front plate 102a Outlet 103 Machine room front plate 105a, 105b Side plate 110 Locking claw 111 Engagement hole 12 Protrusion 13 Protrusion 15 Circular protrusion 16 Insertion Part 17 Hanging part

Claims (7)

Outer box is a top plate arranged on the top surface, a blower port front plate provided with a blower port for blowing the blower air, a machine room front plate covering the front of the machine room, and a side plate covering the side The machine chamber front plate is provided with a substantially L-shaped locking claw, the blower port front plate and the side plate are provided with engagement holes that engage with the locking claw, and the locking An outdoor unit of an air conditioner, wherein a protrusion projecting in a lateral direction is provided on a nail, and a protrusion that is convex toward the inside of the hole is provided in the engagement hole. 2. The outdoor unit of the air conditioner according to claim 1, wherein the engagement hole is formed by an insertion portion into which the locking claw is inserted and a hooking portion including a convex portion on which the locking claw is hooked. unit. The outdoor unit of an air conditioner according to any one of claims 1 to 2, wherein the protrusion has a shape that is long in a depth direction of the outdoor unit. The outdoor of the air conditioner according to any one of claims 1 to 3, wherein a plurality of the protrusions are provided and arranged in a staggered manner, and a plurality of the protrusions are provided and the protruding direction thereof is changed. unit. The outdoor unit of an air conditioner according to any one of claims 1 to 4, wherein, in the longitudinal cross-sectional shape of the protrusion, an inclination on the upper side is looser than an inclination on the lower side. The outdoor unit for an air conditioner according to any one of claims 1 to 2, wherein a plurality of the protrusions are circular and arranged in a staggered manner. The outdoor unit for an air conditioner according to claim 6, wherein the convex portions are arranged in a staggered manner, and the protruding directions of the plurality of adjacent protruding portions are changed.

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