JP2007212104A - Outdoor unit for air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an outdoor unit for an air conditioner with easy attachment of a compressor chamber part front plate. <P>SOLUTION: An outer casing 1a having a compressor chamber built incorporated with a compressor is composed of a top board 3 arranged on a ceiling face, a unit base 2 having a flange 2a bent upwards, a blow-out opening part front plate 5 provided on a blow-out opening 4, the compressor chamber part front plate 8 covering a front part of the compressor chamber 6, and a right side plate 9 covering a side face part. Since a protruding part 11 facing an inner side is provided on a lower part of the compressor chamber part front plate 8 such that the compressor chamber part front plate 8 is secured and held on a flange 2a upper end of the unit base 2 when it is slid to a final attachment position, and the protruding part 11 is secured and held on the flange 2a upper end of the unit base 2 when attaching the compressor chamber part front plate 8, attachment work of the compressor chamber part front plate 8 can be positively and easily carried out by one person without deviating downward. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

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

  For outdoor units of large capacity type room air conditioners and outdoor units of packaged air conditioners, the compressor room and compressor room can be operated from the blower outlet side so that the outdoor unit can be installed horizontally. A compressor chamber front plate is provided that covers the electrical component chamber that is provided in the upper portion and accommodates the control board. Since the pipe connection part is also housed in the compressor room, in order to operate various setting switches provided on the outdoor unit control board according to the pipe connection work at the time of installation, the refrigerant additional charging work and the installation state, The compressor chamber front plate is removed and the work is performed. Therefore, the compressor chamber front plate can be easily removed by loosening several screws (see, for example, Patent Document 1). ). Moreover, there exists a structure of a hooking claw and a hooking hole as a structure with easy engagement (for example, refer patent document 2).

  The structure of the outer box of the outdoor unit of the conventional air conditioner will be described below with reference to FIGS. 4, the outer box 90a of the outdoor unit 90 is provided with a unit base 100 whose periphery is bent upward, a top plate 101 covering the top surface portion, and a blower outlet 102a of a blower (not shown) covering the front surface portion. A front plate 103 having a substantially L-shaped cross section covering a blower port front plate 102, a compressor chamber 106a containing a compressor 106, and an electrical component chamber 104 containing a control board (not shown), right side It consists of side plates 105a and 105b that cover the surface. The compressor chamber front plate 103 is formed by a front side 103a and a right side 103b, and the upper and lower ends of the compressor chamber front plate 103 are fastened to the top plate 101 and the unit base 100 by screws 103d, respectively. Yes.

  FIG. 5 is an enlarged detailed view of a D portion on the right side 103b of the compressor chamber front plate 103 and an E portion of the side plate 105b in FIG. 4, (a) is a horizontal cross-sectional view of the main part, (b) It is a principal part front view. As shown in FIG. 5, a substantially L-shaped locking claw 110 corresponds to each of the vertical portions of the right side 103 b and the left end 103 c of the compressor chamber front plate 103 and corresponds to the locking claw 110. In addition, a plurality of rectangular engagement 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 compressor chamber front plate 103 can be removed in front of the outdoor unit 90. The corresponding engagement holes 111 are formed so as to be orthogonal to the locking claws 110.

  With the above configuration, the compressor chamber front plate 103 has the plurality of locking claws 110 provided on the right side 103b and the left end 103c of the compressor chamber front plate 103 in the horizontal direction in the engagement holes 111. After being inserted, the upper end and the lower end are further fastened with one screw 103d, so that it can be fixed to the front plate 102 and the side plates 105a and 105b. Therefore, it is necessary to use many screws. This reduces the man-hours for assembly and reduces the number of screws.

FIG. 6 shows an outdoor unit of another conventional air conditioner, which has an outer box configuration almost the same as that of the outdoor unit shown in FIG. The side plate portion is integrally formed, and the right side plate is formed as a single piece and the seam is omitted (see, for example, Patent Document 3).
JP-A-6-123446 Japanese Utility Model Publication No. 5-69535 Japanese Patent Laid-Open No. 9-193898

  However, in the conventional outer box configuration of the outdoor unit of the air conditioner, the operation of opening the compressor chamber front plate 103 at the time of assembly or installation of the compressor chamber front plate 103 at the manufacturing site, for example, the outdoor unit When the compressor chamber front plate 103 such as refrigerant pipe connection when connecting 90 and an indoor unit (not shown), additional charging of refrigerant, or electric wire connection is removed or attached to the outdoor unit 90 again as follows There was a serious problem.

  When the compressor chamber front plate 103 is attached to the outdoor unit 90, the right side surface 103 b of the compressor chamber front plate 103 and the side plates 105 a and 105 b and the plurality of engagement holes 111 provided in the blower port front plate 102 and After inserting the plurality of locking claws 110 provided on the left end 103c, the compressor chamber front plate 103 is slid upward and the upper end and lower end are fastened with screws 103d. The compressor chamber front plate 103 is made of metal. Since it is made and has a large surface area, and the weight is also increased, a force to move downward due to its own weight acts, so that the screw hole is displaced. Therefore, the operator has to press the compressor chamber front plate 103 so that the screw holes are not displaced, and it is very difficult to attach and remove.

  For this reason, when working with a large number of people such as a manufacturing site or large-scale installation work, one person must press the front plate 103 of the compressor room and the other person must fasten the screws. In addition, when installing alone or at the time of services where work is often performed alone, it is extremely difficult to reinstall the compressor chamber front plate 103, and it takes a lot of time and is insufficient. In this case, the locking claw 110 and the engagement hole 111 are detached, and the compressor chamber front plate 103 falls from the outdoor unit 90, causing damage or deformation.

  SUMMARY OF THE INVENTION The present invention solves the above-described conventional problems, and is an outdoor unit of an air conditioner that can be attached to the front plate of the compressor chamber reliably and easily by one person with an inexpensive configuration without deteriorating the appearance. The purpose is to provide a unit.

  In order to solve the above-described conventional problems, an outdoor unit of an air conditioner of the present invention includes an outer box having a compressor room and a blower with a built-in compressor, and the outer box is arranged on the top surface. A top plate, a unit base having a flange disposed on the bottom surface and bent upward, a blower outlet front plate provided with a blower outlet for blowing the blower air, and a compressor covering the front of the compressor chamber It is composed of a chamber front plate and a side plate that covers the side surface, and is provided with a plurality of substantially L-shaped locking claws on both side end portions of the compressor chamber front plate, and at the outlet port front plate and side plate end portions. A plurality of engagement holes that engage with the locking claws are provided, and a convex portion that protrudes inward is formed at the lower part of the front plate of the compressor chamber, and the front plate of the compressor chamber and the side plate of the outlet port At the upper end of the flange of the unit base. When the compressor chamber front plate is attached to the blower outlet front plate and the side plate, the locking claws provided at both side ends of the compressor chamber front plate are attached to the blower front plate and side plate. When the compressor chamber part front plate is slid to the upper final mounting position, the convex part provided at the lower part of the compressor chamber part front plate becomes the upper end of the flange of the unit base. Since the compressor chamber portion front plate is not shifted downward because it is locked and held, the compressor chamber portion front plate can be reliably and easily attached by one person.

The outdoor unit of the air conditioner according to the present invention has a low cost configuration, does not deteriorate the appearance, and can reliably and easily attach the front plate of the compressor room alone, so that the working efficiency is very good. Is.

  1st invention is equipped with the outer case which has the compressor chamber and the air blower which incorporated the compressor, and the said outer case is arranged on the top | upper surface, and is arrange | positioned at the bottom face and bend | folds the periphery upwards A unit base having a flange, a blower port front plate provided with a blower port for blowing out the air of the blower, a compressor chamber front plate covering the front of the compressor chamber, and a side plate covering the side surface And a plurality of substantially L-shaped locking claws provided at both side end portions of the compressor chamber front plate, and engaging with the locking claws at the outlet plate front plate and the side plate ends. A plurality of holes are provided, and a convex portion projecting inward is formed at the lower portion of the compressor chamber front plate, and the compressor chamber front plate is placed at the final attachment position of the blower port front plate and the side plate. To be locked to the upper end of the flange of the unit base when sliding Therefore, when attaching the compressor chamber front plate to the blower outlet front plate and the side plate, the locking claws provided on both side ends of the compressor chamber front plate are attached to the blower port front plate and side plate ends. When the compressor chamber front plate is slid to the upper final mounting position, the convex portion provided at the lower part of the compressor chamber front plate is locked to the flange base upper end of the unit base. Since it is held, the compressor chamber front plate does not shift downward, and the compressor chamber front plate can be attached securely and easily by one person.

  In the second invention, a convex portion formed in the lower portion of the compressor chamber front plate of the first invention is formed in a bead shape over the entire width of the compressor chamber front plate. The strength of the lower part of the compressor is significantly improved and the front plate of the compressor chamber is locked over the entire width of the bead, so that even if an external force is applied or there is some deformation, it does not slip downward. The front plate of the compressor chamber can be attached reliably and easily by one person.

  In the third invention, particularly in the first or second invention, the cross-sectional shape of the convex portion is gradually raised from the upper end toward the lower end, and when the compressor chamber front plate is slid upward, the convex portion Since the upper end of the part is a gentle bulge, the lower end of the unit base can be smoothly ridden, and the lower end is greatly bulged so that it can be securely locked and held.

  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 an exploded perspective view showing an outer case configuration of an outdoor unit of an air conditioner according to a first embodiment of the present invention, and FIG. FIG. 1 and 2, the outer box 1a of the outdoor unit 1 blows out air from a unit base 2 that forms the bottom, a top plate 3 that covers the top surface, and a blower (not shown) that covers the front surface and is built in. A blower port front plate 5 having a blower port 4, a compressor chamber front plate 8 that covers a compressor chamber 6 that houses a compressor (not shown) and an electrical component chamber 7 that houses a control board (not shown). The right side plate 9 is a side plate that covers the right side surface.

  The unit base 2 is provided with a flange 2a whose periphery is bent upward. The compressor chamber front plate 8 is formed in a substantially L-shaped cross section with a front surface portion 8a and a right side portion 8b located on the front surface, and the front surface portion 8a has an inner side for improving the design over almost the entire width. A plurality of beads 10 projecting to the bottom are formed, and the lowermost part of the beads 10 is located on the inside so as to be engaged with the upper end of the flange 2a of the unit base 2 when the compressor chamber front plate 8 is slid to the final mounting position. It forms as the convex part 11 which protrudes toward. In addition, a plurality of substantially L-shaped locking claws 12 protruding rearward are provided on each of the left end portion 8c and the right end portion 8b of the compressor chamber front plate 8, and the outlet port front plate 5 and Square engagement holes 13 are provided at positions corresponding to the locking claws 12 at the respective vertical ends of the right side plate 9.

  For attachment of the compressor chamber front plate 8 to the outdoor unit 1, the locking claws 12 of the compressor chamber front plate 8 are inserted into the engagement holes 13 of the outlet port front plate 5 and the right side plate 9. Thereafter, the compressor chamber front plate 8 is slid upward, so that the convex portion 11 gets over the flange 2a of the unit base 2 and then engages with the upper end of the flange 2a. Thereby, since the compressor chamber front plate 8 is held, it is not necessary to hold the compressor chamber front plate 8 so as not to be displaced downward, and the upper end and the lower end of the compressor chamber front plate 8 are attached to the top plate 3 unit base 2 with screws 14. The attachment of the compressor chamber front plate 8 is completed by screwing each.

  As described above, according to the present embodiment, it is possible for one person to easily and reliably attach the compressor chamber front plate 8.

  In the present embodiment, since the convex portion 11 formed at the lower portion of the compressor chamber front plate 8 is formed in a bead shape over the entire width of the compressor chamber front plate 8, the compressor chamber front plate. The strength of the lower part of 8 is significantly improved, and the compressor chamber front plate 8 is locked over the entire width of the bead, so that even if an external force is applied or there is some deformation, the compressor 8 is displaced downward. However, the shape and length of the convex portion 11 are not particularly limited, and any shape that can be reliably locked to the upper end portion of the flange 2a may be used.

(Embodiment 2)
FIG. 3 is a cross-sectional view of a main part of the outdoor unit of the air conditioner according to the second embodiment of the present invention. The same parts as those in the above embodiment are denoted by the same reference numerals, and the description thereof is omitted.

  In the present embodiment, since the sectional shape of the convex portion 11 is gradually raised from the upper end toward the lower end, the upper end of the convex portion 11 is gently raised when the compressor chamber front plate 8 is slid upward. Therefore, the lower end of the unit base can be smoothly passed over, and the lower end is greatly raised, so that it can be securely locked and held on the upper end of the flange 2a of the unit base 2.

  As described above, the outdoor unit of the air conditioner according to the present invention has an inexpensive configuration, and can be reliably and easily attached to the front plate of the compressor room, without deteriorating the appearance. The work efficiency is very good, and it can be applied to various devices and apparatuses having sheet metal doors and lids that need to be attached and detached at the time of installation and service.

1 is a developed perspective view of an outdoor unit of an air conditioner according to Embodiment 1 of the present invention. Cross section of the main unit of the outdoor unit Sectional drawing of the principal part of the outdoor unit of the air conditioner in Embodiment 2 of this invention A developed perspective view of an outdoor unit of a conventional air conditioner (A) A cross-sectional view of portions D and E in FIG. 4, (b) a front view of portions D and E in FIG. The perspective view of the outdoor unit of the air conditioner which shows the other example of the past

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Outdoor unit 1a Outer box 2 Unit base 2a Flange 3 Top plate 4 Outlet 5 Outlet 5 Front plate 6 Compressor chamber 8 Compressor chamber front plate 9 Side plate 11 Protrusion 12 Locking claw 13 Engagement hole

Claims (3)

A unit base comprising an outer box having a compressor chamber incorporating a compressor and a blower, the outer box having a top plate disposed on the top surface and a flange disposed on the bottom surface and bent upward toward the periphery And a blower outlet front plate provided with a blower outlet for blowing out the air of the blower, a compressor chamber front plate covering the front of the compressor chamber, and a side plate covering the side portion, the compressor A plurality of substantially L-shaped locking claws are provided at both side end portions of the chamber front plate, and a plurality of engagement holes for engaging with the locking claws are provided at the outlet plate front plate and the side plate end portions, respectively. When the compressor chamber front plate is slid to the final attachment position of the blower port front plate and the side plate, a convex portion projecting inward so as to be engaged with the upper end of the flange of the unit base is compressed. It is formed in the lower part of the chamber front plate Outdoor unit of an air-conditioner. The outdoor unit for an air conditioner according to claim 1, wherein the convex portion is formed in a bead shape over the entire width of the front plate of the compressor chamber. The outdoor unit of an air conditioner according to claim 1 or 2, wherein the cross-sectional shape of the convex portion is gradually raised from the upper end toward the lower end.