JP2009250459A - Outdoor unit of air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an outdoor unit of an air conditioner allowing easy mounting of a front plate of a compressor chamber section. <P>SOLUTION: An outer housing 1a having the compressor chamber 7 incorporating a compressor (not shown in drawing), and a blower (not shown in drawing), is composed of a top panel 3 disposed on a top surface, a blow-off opening section front plate 5 provided with a blow-off opening 4 for blowing off the air of the blower, a blow-off grille 6 covering the blow-off opening 4, the front plate 9 of the compressor chamber section covering a front section of the compressor chamber 7 and having a plurality of locking claws 11, and a side plate 10 covering a right face section and having a plurality of engagement holes 12 to be engaged with the locking claws 11, and a part of the blow-off grille 6 projects with respect to a right end section of the blow-off opening section front plate 5. As the movement in the forward direction of a left end section of the front plate 9 of the compressor chamber section is restricted by inserting the left end section to the projecting right end lower section of the blow-off grille 6 in mounting the front plate 9 of the compressor room section, thus the mounting can be easily performed by one person by inserting the locking claws 11 of the right end section of the front plate 9 of the compressor chamber section into the engagement holes 12 of the side plate 10. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

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

  For outdoor units of large-capacity type air conditioners and outdoor units of packaged air conditioners, the outdoor unit can be installed horizontally. 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 room or the compressor room It is necessary to work by removing the front plate of the compressor chamber that covers the electrical component chamber that is provided in the upper portion of the housing and covers the electrical component chamber. Therefore, the compressor chamber front plate can be easily removed by loosening several screws.

  Below, the structure of the outer case of the outdoor unit of the conventional air conditioner is demonstrated using FIGS.

  In FIG. 7, an outer case 90a of an outdoor unit 90 of a conventional air conditioner includes a unit base 100, a top plate 101 that covers the top surface portion, a front portion that covers a blower outlet (not shown) of a blower (not shown). A substantially L-shaped cross section covering the provided front plate 102 of the blowout port, a blowout grill 102a covering the blowout port, the compressor chamber 106a containing the compressor 106, and the electrical component chamber 104 containing the control board (not shown). Compressor chamber front plate 103 and side plates 105a and 105b covering the right side 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. 8 is an enlarged detailed view of the D portion on the right side 103b of the compressor chamber front plate 103 and the E portion of the side plate 105b in FIG.

  As shown in FIG. 8, substantially L-shaped locking claws 110 correspond to the locking claws 110 at the vertical portions of the right side surface 103b and the left end portion 103c of the compressor chamber front plate 103. 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.

  In order to allow the compressor chamber front plate 103 to be removed in the forward direction of the outdoor unit 90, the locking claws 110 are formed so as to protrude in the depth direction of the outdoor unit 90 at both ends, and the corresponding engagement holes. 111 is opened so as to be orthogonal to the locking claw 110.

  As described above, the compressor chamber front plate 103 is connected to the engagement holes 111 and the plurality of locking claws 110 provided on the right side 103b and the left end 103c of the compressor chamber front plate 103. After being attached by the combined action, it is slid upward, and it can be fixed to the front plate 102 and the side plates 105a and 105b by simply fastening the upper and lower ends with one screw 103d. It is not necessary to reduce the number of work steps during assembly and the number of screws is small, so that it looks good. (For example, refer to Patent Documents 1 and 2).

FIG. 9 shows an outdoor unit of another conventional air conditioner, and has an outer box configuration almost similar to that of the outdoor unit shown in FIG. 8, but as shown in FIG. The chamber front plate 103 portion and the right side plate portion 105 are integrally formed, and the right side plate is formed as a single piece, and the joint is omitted (for example, see 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 90 of the air conditioner described above, a refrigerant for opening the compressor chamber front plate 103 during installation, for example, connecting the outdoor unit 90 and the indoor unit (not shown). When removing the compressor chamber front plate 103 such as pipe connection, additional charging of a refrigerant, or electric wire connection, or attaching it to the outdoor unit 90 again, there were the following problems.

  Compressor chamber front plate 103 has a large surface area, also twisting occurs desperately front side 103a and the right side 103b for the cross-sectional shape is a substantially L-shaped. This hinelli can be improved to some extent by increasing the number of mold surfaces at a cost, but it is not perfect and some hineri remains.

  When re-attaching the compressor chamber front plate 103 in which the fins are generated to the side plates 105a and 105b and the outlet front plate 102, for example, the compressor chamber portion is first inserted into the plurality of engagement holes 111 of the side plates 105a and 105b. The locking claw 110 at the right end of the front plate 103 is inserted (in this state, the compressor chamber front plate 103 is not slid upward so that it is not engaged), and then the outlet port front plate 102 When the engaging claw 110 at the left end of the compressor chamber front plate 103 is to be inserted into the plurality of engaging holes 111, one of the engaging claws 110 at the right end of the compressor chamber front plate 103 that has been inserted earlier. May be disengaged from the engaging hole 111 inserted.

  Therefore, when the right end portion is then reattached while paying attention, the locking claw 110 may come off the engagement hole 111 at the left end portion. Further, a large number of locking claws 110 must be inserted at the same time, and there is a risk of deformation of the locking claws 110 and the engagement holes 111 due to carelessness during work.

  When working with a large number of people, such as large-scale installation work, one person holds the insertion part at the right end (not yet engaged), and the other person holds the insertion part at the left end. At the same time, if the compressor chamber front plate 103 is slid upward, it is engaged, so that it can be reattached and there is no problem. However, when installing alone or in many cases when working alone, it is not easy to reinstall the compressor chamber front plate 103, and it takes a lot of time. However, the work is finished in a state where some of the engaging portions are disengaged instead of being in a proper engaged state, and there is a problem that a problem occurs due to intrusion of rainwater into the compressor chamber 106a or the electrical component chamber 104 at a later date. In addition, it is necessary to provide a large number of locking claws 110 on the compressor chamber front plate 103, and there is a problem that the shape becomes complicated and costs increase.

  The present invention solves the above-mentioned conventional problems, does not spend work man-hours and large costs, does not deteriorate the appearance, and allows air to be reliably reinstalled on the compressor chamber front plate even by one person's work. It aims at providing the outdoor unit of a harmony machine.

In order to solve the above-described conventional problems, an outdoor unit of an air conditioner according to the present invention includes a compressor chamber in which a compressor is built and an outer box having a blower, and the outer box has a ceiling arranged on a top surface. A plate, a blower front plate provided with a blowout port for blowing out the air from the blower, a blowout grill provided so as to cover the blowout port, a front portion of the compressor chamber and a plurality of locking claws A compressor chamber front plate and a side plate that covers the right side surface and has a plurality of engagement holes that engage with the locking claws, and a part of the blowing grill is a right end portion of the blowing port front plate It protrudes more and overlaps the end of the compressor chamber front plate on the blower front plate side. When the compressor chamber front plate is attached, the compressor chamber front plate is blown out. The lower part of the right end protruding from the right end of the front plate of the grill outlet After sliding, the side plate side latching claw is inserted into the engagement hole, the compressor chamber front plate is slid upward and the upper and lower ends are fastened with screws, but the left side of the compressor chamber front plate Since the end portion is restricted from moving forward by the blowing grille, it is not necessary to hold down the left end portion when the right end portion is inserted. Also, if only the right side is held when sliding, the left end will not come off, so the operator only needs to pay attention to the insertion part on the right end, and one person can install the compressor chamber front plate securely. It becomes possible. In addition, there is no need to provide a locking claw on the front plate side of the blower outlet of the compressor chamber front plate, and the locking claw need only be provided on the side plate side, so there is little risk of deformation of the locking claw and low cost. It becomes possible to.

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

  1st invention is equipped with the compressor box which incorporated the compressor, and the outer box which has an air blower, and the said outer box is a blowing which provided the top plate arrange | positioned on the top | upper surface, and the blower outlet which blows off the wind of the said air blower The front mouth plate, the blow grill provided to cover the blow outlet, the compressor chamber front plate covering the front portion of the compressor chamber and having a plurality of locking claws, the right side surface portion and the It is composed of a side plate having a plurality of engagement holes that engage with the locking claws, and a part of the blowing grill protrudes from a right end portion of the blowing port front plate, and the blowing portion of the compressor chamber front plate When the compressor chamber front plate is installed, the compressor chamber front plate protrudes from the right end of the blow grill outlet front plate when the compressor chamber front plate is attached. After sliding into the engagement hole on the side plate side into the engagement hole, Slide the compressor chamber front plate upward and fasten the upper and lower ends with screws. The left end of the compressor chamber front plate is restricted to the There is no need to hold the left edge when inserting the edge. Also, if only the right side is held when sliding, the left end will not come off, so the operator only needs to pay attention to the insertion part on the right end, and one person can install the compressor chamber front plate securely. It becomes possible. In addition, there is no need to provide a locking claw on the front plate side of the blower outlet of the compressor chamber front plate, and the locking claw need only be provided on the side plate side, so there is little risk of deformation of the locking claw and low cost. It becomes possible to.

  In the second invention, in particular, a protrusion projecting toward the compressor chamber front plate is provided on the back surface of the blower grill of the first invention on the compressor chamber front plate side, and the compressor chamber front plate is provided. When the compressor chamber front plate is attached, the convex portion provided on the back surface of the blowout grill is provided at the end of the compressor chamber front plate. Since the compressor chamber front plate is held by engaging with the recess, the compressor chamber front plate can be reliably and easily attached by one person.

  The third invention has a shape in which the ridge portion on the back surface on the compressor chamber front plate side of the blowout grill of the first or second invention is chamfered, and when the compressor chamber front plate is attached. Since the chamfering shape of the blowing grill on the compressor chamber front plate side is easily guided to the back surface of the blowing grill, the compressor chamber front plate can be easily attached.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, this invention is not limited by this embodiment.

(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, and FIG. 2 is an exploded perspective view showing an outer box configuration of the outdoor unit.

  1 and 2, the outer box 1 a of the outdoor unit 1 includes a unit base 2 that forms the bottom, a top plate 3 that covers the top surface, and a wind blown by a built-in blower (not shown) that covers the front surface. A blower outlet front plate 5 having a blower outlet 4, a blower grill 6 covering the blower outlet 4, a compressor chamber 7 containing a compressor (not shown), and a control board (not shown). It is composed of a compressor chamber front plate 9 that covers the electrical component chamber 8 that is housed, and a side plate 10 that covers the right side surface.

  The compressor chamber front plate 9 is formed in a substantially L-shaped cross section with a front surface portion 9a located on the front surface and a right side portion 9b.

  A plurality of locking claws 11 projecting rearward are provided at the end portion of the right side portion 9b of the compressor chamber front plate 9, and a rectangular engagement is provided at a position corresponding to the locking claw 11 at the end portion of the side plate 10. A joint hole 12 is provided.

  The blow grill 6 covers the blow outlet 4 and is arranged so that a part of the right end protrudes from the blow outlet front plate 5 and overlaps the left end of the compressor chamber front plate 9.

  The compressor chamber front plate 9 is attached to the outdoor unit 1 by sliding the left end of the compressor chamber front plate 9 to the lower right end protruding from the blower front plate 5 of the blow grill 6. The locking claw 11 at the right end of the compressor chamber front plate 9 is inserted into the engagement hole 12 of the side plate 10, and then the compressor chamber front plate 9 is slid upward to move the upper end and lower end. Although it fastens with the screw | thread 13, since the movement to the front direction is controlled by the blowing grille 6, it is not necessary to hold down a left side edge part at the time of insertion of a right side edge part. Also, if only the right side is suppressed during sliding, the left end will not come off, so the operator only has to pay attention to the insertion part at the right end, and even one person can reliably secure the compressor chamber front plate 9. Installation is possible.

  Further, in the present embodiment, it is not necessary to provide the locking claw 11 on the outlet port front plate 5 side of the compressor chamber front plate 9, and the locking claw 11 may be provided only on the side plate 10 side. There is little risk of deformation of the locking claw 11, and the cost can be reduced.

  As described above, according to the present embodiment, the compressor chamber front plate 9 can be easily and reliably attached by one person with an inexpensive configuration.

(Embodiment 2)
FIG. 3 is an exploded perspective view of the outdoor unit of the air conditioner according to the second embodiment of the present invention. Note that the same parts as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted.

  In the present embodiment, as shown in FIG. 3, a convex portion 14 protruding toward the compressor chamber front plate 9 is provided on the back surface of the blowout grill 6 on the compressor chamber front plate 9 side, and the compressor chamber is provided. A concave portion 15 for holding the convex portion 14 is provided at the end of the front plate 9. When the compressor chamber front plate 9 is attached, the convex portion 14 provided on the back surface of the blow grill 6 Since the compressor chamber front plate 9 is held by engaging with the recess 15 provided at the end of the compressor chamber front plate 9, one person can reliably and easily carry out the compressor chamber front plate 9. Can be installed.

(Embodiment 3)
4 is a partially exploded perspective view of an outdoor unit of an air conditioner according to a third embodiment of the present invention, FIG. 5 is a perspective view of a blow-out grill of the outdoor unit, and FIG. 6 is a blow-out of the outdoor unit. It is a cross-sectional view of a grill. The same parts as those in the above embodiment are denoted by the same reference numerals and the description thereof is omitted.

  As shown in FIGS. 4 to 6, the present embodiment has a chamfered shape 16 in which the ridge portion on the back surface of the blowing grill 6 on the compressor chamber front plate 9 side is chamfered. When attaching 9, the left end of the compressor chamber front plate 9 is easily guided to the back surface of the blow grill 6 by the chamfered chamfered shape 16 on the compressor chamber front plate 9 side of the blow grill 6. Therefore, the compressor chamber front plate 9 can be easily attached.

  As described above, 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. The efficiency is very good, and the present invention can be applied not only to the outdoor unit of an air conditioner but also to various types of equipment whose outer shell is formed of a sheet metal member, such as a water heater.

The perspective view of the outdoor unit of the air conditioner in Embodiment 1 of this invention Exploded perspective view showing the outer box configuration of the outdoor unit The disassembled perspective view of the outdoor unit of the air conditioner in the 2nd Embodiment of this invention The partial exploded perspective view of the outdoor unit of the air conditioner in the 3rd Embodiment of this invention Perspective view of blowout grill of outdoor unit Cross section of blowout grill of outdoor unit A developed perspective view of an outdoor unit of a conventional air conditioner (A) Cross-sectional view of part D and part E in FIG. 7 (b) Front view of part D and part E 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 3 Top plate 4 Outlet 5 Outlet front plate 6 Outlet grill 7 Compressor chamber 9 Compressor chamber front plate 10 Side plate 11 Locking claw 12 Engagement hole 14 Convex portion 15 Concave 16 Chamfer shape

Claims (3)

A compressor chamber containing a compressor and an outer box having a blower, the outer box having a top plate arranged on the top surface, and a blower port front plate provided with a blower port for blowing out the wind of the blower; A blow-out grill provided to cover the blow-out opening, a compressor chamber front plate covering a front portion of the compressor chamber and having a plurality of locking claws, a right side surface portion and engaging with the locking claws And a part of the blow-out grill protrudes from the right end of the blow-out port front plate, and the end of the compressor chamber front plate on the blow-out front plate side An outdoor unit of an air conditioner characterized in that it is overlapped with the outside. Protrusions projecting toward the compressor chamber front plate are provided on the back surface of the blower grill on the compressor chamber front plate side, and recesses are provided at the end portions of the compressor chamber front plate. The outdoor unit for an air conditioner according to claim 1, wherein the outdoor unit is an air conditioner. The outdoor unit for an air conditioner according to claim 1 or 2, wherein a ridge portion on the back surface of the blower grill on the front side of the compressor chamber portion is chamfered.

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