JP2009144956A - Outdoor unit of air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an outdoor unit of an air conditioner capable of easily mounting and demounting a compressor chamber portion front plate. <P>SOLUTION: This outdoor unit of the air conditioner comprises the compressor chamber 6 incorporating a compressor (not shown in drawing), and an outer casing 1a having a blower (not shown in drawing), the outer casing 1a is composed of a top plate 3 disposed on a top surface, a supply opening portion front plate 5 provided with a supply opening 4, the compressor chamber portion front plate 8 having a plurality of locking claws 10 at both side end portions and covering a front portion of the compressor chamber 6, and side plates 9 covering side portions of the compressor chamber 6, a plurality of engagement holes 11 engaged with the locking claws 10 are formed on end portions of the supply opening portion front plate 5 and the side plates 9, and the locking claws 10 are bent roughly into the V-shape, thus the locking claws 10 are engaged with the engagement holes 11 to retain the compressor chamber portion front plate 8 only by fastening the compressor chamber portion front plate 8 to the supply opening portion front plate 5 and the side plates 9 by screws 13 and pressing the locking claws 10, even when the locking claws 10 are disengaged from the engagement holes 11 in mounting the compressor chamber portion front plate 8, thus the compressor chamber portion front plate 8 can be easily mounted. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

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

  For outdoor units of large-capacity type air conditioners and outdoor units of packaged air conditioners, the piping connection part protruding from the exterior part is housed inside the unit in general room air conditioners due to the continuous installation of outdoor units. Therefore, 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 filling work, and the installation state, the upper part of the compressor room or the compressor room It is necessary to perform the work by removing the front plate of the compressor chamber that covers the electrical component chamber that is provided in the housing and houses the control board. 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. 7 is a developed perspective view of an outdoor unit of a conventional air conditioner, FIG. 8A is a cross-sectional view of a portion D and E in FIG. 7, and FIG. 7B is a front view of the portion D and E in FIG. FIG.

  In FIG. 7, an outer box 90a of the outdoor unit 90 of the air conditioner covers a unit base 100, a top plate 101 that covers the top surface portion, a front surface portion, and a blowout port 102a that blows out wind from a blower (not shown). Compressor chamber front plate 103 having a substantially L-shaped cross section covering the provided blower port front plate 102, the compressor chamber 106a containing the compressor 106, and the electrical component chamber 104 containing the control board (not shown). The side plates 105a and 105b cover 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. ing.

  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. The hole 111 is opened 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 man-hours during assembly, and the number of screws is small, so that the appearance is good (see, for example, 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 portion and the right side plate portion are integrally formed, and the right side plate is formed as a single piece, and the joint 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 described above, work for opening the compressor chamber front plate 103 during installation, for example, refrigerant piping when connecting the outdoor unit 90 and the indoor unit (not shown) When the compressor chamber front plate 103 is removed or attached to the outdoor unit 90 again, such as connection, additional charging of refrigerant, or electric wire connection, there are 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 to which the swell has occurred to the unit main body, for example, the right end of the compressor chamber front plate 103 is first locked in the plurality of engagement holes 111 of the side plate 105b. The claw 110 is inserted (in this state, the compressor chamber front plate 103 is not slid upward, so that it is not in an engaged state). Next, the compressor is inserted into the plurality of engagement holes 111 of the outlet port front plate 102. When the locking claw 110 at the left end of the chamber front plate 103 is to be inserted, a part of the locking claw 110 at the right end of the compressor chamber front plate 103 inserted earlier is inserted into the inserted engagement hole 111. May fall off. Then, when the right end portion is reattached with care, the locking claw 110 may come off the engagement hole 111 at the left end portion.

  When working with a large number of people, such as large-scale installation work, one person presses the insertion part (not yet engaged) at the right end and the other person holds the insertion part at the left end. At the same time, the compressor chamber front plate 103 is engaged if it is slid upward, so that it can be reattached and there is no problem. However, when installing alone, and in many cases when working alone, it is not easy to reattach the compressor chamber front plate 103, and it takes a lot of time. There was a problem that the work was finished in a state in which some of the engaging parts were disengaged instead of a reliable engagement state, and problems occurred due to rainwater intrusion into the compressor chamber 106a or the electrical component chamber 104 at a later date. .

  The present invention solves the above-described conventional problems, and does not spend work man-hours and large costs, does not deteriorate the appearance, and can reliably reattach the compressor chamber front plate even by one person's work. An object of the present invention is to provide an outdoor unit for an air conditioner.

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 incorporating a compressor and an outer box having a blower, and the outer box is arranged on the top surface. From a top plate, a blower port front plate provided with a blower port for blowing out the wind of the blower, a compressor chamber front plate covering the front of the compressor chamber, and a side plate covering the side surface of the compressor chamber And a plurality of engaging claws are provided at both end portions of the compressor chamber front plate, and a plurality of engaging holes are provided at the end portions of the outlet plate front plate and the side plate. The locking claw is formed in a substantially V-shaped shape. When the compressor chamber front plate is attached, the locking claw is inserted into the engagement hole, and then the compressor chamber front Slide the plate and fasten the upper and lower ends with screws. After the compressor chamber front plate is fastened to the outlet port front plate and the side plate, the locking claw and the engagement hole are engaged by pushing the locking claw so that the compressor chamber front Since the plate is held, it is not necessary to be careful not to disengage the locking claw from the engagement hole at the time of work, and the work is not finished with the engagement part removed. Can be easily attached, and the front plate of the compressor chamber can be securely attached.

  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 chamber which incorporated the compressor, and the outer box which has a fan, The said outer box provided the top plate arrange | positioned at the top | upper surface, and the blower outlet which blows off the wind of the said fan It consists of a blower outlet front plate, a compressor chamber front plate that covers the front of the compressor chamber, and a side plate that covers the side surface of the compressor chamber, on both side ends of the compressor chamber front plate A plurality of engaging claws, a plurality of engaging holes for engaging the engaging claws at the end portions of the outlet plate front plate and the side plate, and a shape in which the engaging claws are folded back in a substantially V shape; So, when installing the compressor chamber front plate, after inserting the locking claw into the engagement hole, slide the compressor chamber front plate and fasten the upper and lower ends with screws, Even when the locking claw is removed from the engaging hole during sliding, the compressor chamber front plate is screwed to the outlet port front plate and front After fastening to the side plate, by pushing the locking claw, the locking claw and the engagement hole are engaged and the compressor chamber front plate is held, so that the locking claw is released from the engagement hole during work. It is not necessary to be careful so that the work is not finished when the engaging part is disengaged. Therefore, the compressor chamber front plate can be easily attached and the compressor chamber front plate can be securely attached. It becomes possible.

  In the second invention, in particular, the opening shape of the engagement hole of the first invention is provided with an upper opening smaller than the width of the portion of the locking claw folded back into a substantially V shape, and a lower opening larger than the width. When the compressor chamber front plate locked in the engagement hole is removed, the top and bottom screws of the compressor chamber front plate are removed and slid downward. In addition, since the engaging claw is easily removed from the lower opening of the engaging hole, it is not necessary to bother to remove the compressor chamber front plate from the engaging hole, thereby improving workability.

  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 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. 2 is a configuration of a mounting portion of a compressor chamber front plate of the outdoor unit. FIG. 3 is a sectional view showing a state in which the engaging claw and the engaging hole of the outdoor unit are engaged, and FIG. 4 is a state in which the engaging claw and the engaging hole of the outdoor unit are disengaged. FIG.

  1 to 4, an outer box 1a of an outdoor unit 1 of an air conditioner according to the present embodiment includes a unit base 2 that forms a bottom portion, a top plate 3 that covers a top portion, and a front portion that is built in. A blower port front plate 5 having a blower port 4 for blowing air from a blower (not shown), a compressor chamber 6 containing a compressor (not shown), and a control board (not shown) are accommodated. The compressor chamber front plate 8 covers the front of the electrical component chamber 7 and the side plate 9 covers the compressor chamber 6 and the right side surface of the electrical component chamber 7.

  The compressor chamber front plate 8 is formed in a substantially L-shaped cross section with a front surface portion 8a located on the front surface and a right side portion 8b.

  Each of the left end 8c and the right end 8b of the compressor chamber front plate 8 is provided with a plurality of locking claws 10 that protrude rearward and have their tips folded back in a substantially V shape. A rectangular engagement hole 11 that engages with the locking claw 10 is provided at a position corresponding to the locking claw 10 at each end of the side plate 5 and the side plate 9.

  To attach the compressor chamber front plate 8 to the outdoor unit 1, the locking claw 10 of the compressor chamber front plate 8 is inserted into the engagement hole 11 provided in the outlet port front plate 5 and the side plate 9. Thereafter, the compressor chamber front plate 8 is slid upward, and the upper end and the lower end of the compressor chamber front plate 8 are fastened to the top plate 3 and the unit base 2 with screws 13, respectively. Even when the locking claw 10 is disengaged from the engagement hole 11 when the plate 8 is slid upward, the engagement claw 10 has a spring action in the left-right direction. Since the engaging claw 10 is engaged with the engaging hole 11 by pushing the engaging claw 10 after fastening with the screw 13, the compressor chamber front plate 8 is not attached incompletely.

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

(Embodiment 2)
FIG. 5 is a partially enlarged view of the outdoor unit of the air conditioner according to the second embodiment of the present invention, and FIG. 6 is a partial perspective view showing a state in which the compressor chamber front plate of the outdoor unit is slid downward. It is. In addition, about the same part as the outdoor unit of the air conditioner in the said 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  In the present embodiment, as shown in FIGS. 5 and 6, the opening shape of the engagement hole 11 is smaller than the width of the portion of the locking claw 10 that is folded back into a substantially V shape, When the compressor chamber front plate 8 is slid downward when removing the compressor chamber front plate 8, the locking claw 10 is Since it is easily removed from the lower opening 11b larger than the width of the locking claw 10, it is not necessary to shift the compressor chamber front plate 8 to the left and right, and the workability is improved.

  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 it can be applied not only to an outdoor unit of an air conditioner but also to various devices such as a water heater provided with a removable cover in a part of the outer shell.

1 is an exploded perspective view of an outdoor unit of an air conditioner according to Embodiment 1 of the present invention. The partial perspective view which shows the structure of the attachment part of the compressor chamber front plate of the outdoor unit Sectional drawing which shows the state which the latching claw and engagement hole of the outdoor unit engaged Sectional drawing which shows the state which the latching claw and engagement hole of the outdoor unit removed The elements on larger scale of the outdoor unit of the air conditioner in Embodiment 2 of this invention The partial perspective view which shows the state which slid downward the compressor chamber front plate of the outdoor unit A developed perspective view of an outdoor unit of a conventional air conditioner (A) Enlarged cross-sectional view of portions D and E in FIG. 7 (b) Enlarged 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 3 Top plate 4 Outlet 5 Outlet front plate 6 Compressor chamber 8 Compressor chamber front plate 9 Side plate 10 Locking claw 11 Engagement hole 11a Upper opening 11b Lower opening

Claims (2)

A compressor chamber having a compressor; and an outer box having a blower, wherein the outer box has a top plate arranged on a top surface, and a blower port front plate provided with a blower port for blowing out the air of the blower. A compressor chamber part front plate covering the front part of the compressor chamber and a side plate covering a side part of the compressor chamber, and a plurality of locking claws are provided at both side ends of the compressor chamber part front plate. A plurality of engagement holes for engaging with the engaging claws are provided at end portions of the front plate and the side plate of the outlet, and the engaging claws are folded back into a substantially V shape. Air conditioner outdoor unit. The opening shape of the engagement hole is a substantially L shape that combines an upper opening portion smaller than the width of the portion of the locking claw folded back into a substantially V shape and a lower opening portion larger than the width. The outdoor unit of the air conditioner according to claim 1.

Images