JP2007155225A - 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 in with a compressor is composed of a top board arranged on a top face, a blow-out opening part front plate 5 provided on a blow-out opening, the compressor chamber part front plate 8 covering a front part of the compressor chamber, and a right side plate covering a side face part. Substantially L-shaped lock claws 10 are plurally provided on both side ends of the compressor chamber part front plate 8, engagement holes 11 to be engaged with the lock claws 10 are plurally provided respectively on ends of the blow-out opening part front plate 5 and the right side plate, and a curl part 12 is provided on an end of the lock claw 10. By locking the curl part 12 onto both side parts 11a of the engagement hole 11 when inserting the lock claw 10 into the engagement hole 11, the compressor chamber part front plate 8 is easily temporarily fixed without disengagement of the lock claw 10 from the engagement hole 11, and attachment work can be easily carried out by one person without disengagement. <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 (for example, see 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).

  Below, the structure of the outer case of the outdoor unit of the conventional air conditioner is demonstrated using FIGS. In FIG. 7, the outer box 90a of the outdoor unit 90 includes a unit base 100, a top plate 101 that covers the top surface portion, an outlet front plate 102 that covers the front surface and is provided with an outlet 102a of a blower (not shown), compression From the compressor chamber part front plate 103 having a substantially L-shaped cross section covering the compressor chamber 106a containing the compressor 106 and the electrical component chamber 104 containing a control board (not shown), and side plates 105a, 105b covering the right side surface. It is configured. 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.

  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. 7, where (a) is a horizontal cross-sectional view of the main part, and (b) It is a principal part front view. 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. 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. 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, 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 part front plate 103 is removed or attached to the outdoor unit 90 again, such as refrigerant pipe connection, additional refrigerant charging, and electric wire connection when connecting the unit 90 to the indoor unit (not shown) was there.

  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 outlet 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 has a large surface area and is therefore heavy in weight, a force to move downward due to its own weight acts, so that the locking claw 110 comes off the engaging hole 111 and the compressor chamber front plate 103 falls. End up.

  When removing the compressor chamber front plate 103, loosen and remove the fastened screw 103d, but at the moment when the screw 103d is removed, the compressor chamber front plate 103 is lowered downward by its own weight, and the locking claw 110 is engaged. The compressor chamber part front plate 103 falls off the joint hole 111 and falls.

  Therefore, the operator has to hold down the compressor chamber front plate 103 so that the compressor chamber front plate 103 does not fall off, 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 hold the compressor chamber front plate 103 and the other person must fasten the screws. In addition, when installing alone or during a service that is often carried out alone, it is extremely difficult to remove and attach the compressor chamber front plate 103, and a lot of time is spent. In the case of the shortage, 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 scratches and 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. It is composed of a top plate, an outlet front plate provided with an outlet for blowing out the wind of the blower, a compressor chamber portion front plate covering the front portion of the compressor chamber, and a side plate covering a side portion, A plurality of substantially L-shaped locking claws are provided at both end portions of the compressor chamber front plate, and a plurality of engagement holes for engaging the locking claws are provided at the outlet plate front plate and the side plate end portions, respectively. Provided, and at least one tip of the locking claw is curled so as to be slightly larger than the width dimension of the engagement hole, and the compressor chamber portion front plate is connected to the outlet port front plate and the When attaching to the side plate, the locking claws provided on both side ends of the compressor chamber front plate are connected to the outlet port. When inserted into the engagement holes provided at the end portions of the front plate and the side plate, the curled portions of the locking claws formed larger than the width of the engagement holes are locked and held on both side portions of the engagement holes. Thus, the front plate of the compressor chamber can be reliably and easily attached by one person without the locking claw coming off the engaging hole.

  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 outer case which has the compressor chamber and the air blower which incorporated the compressor, and the said outer case provided the top plate distribute | arranged to the top | upper surface, and the blower outlet which blows off the wind of the said air blower 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, and is substantially L-shaped at both side ends of the compressor chamber front plate. A plurality of engaging holes for engaging with the engaging claws at the end portions of the front plate and the side plate, and at least one tip of the engaging claws is engaged with the engaging claw. It is formed by curling so as to be slightly larger than the width dimension of the joint hole, and when the compressor chamber front plate is attached to the outlet port front plate and the side plate, both side ends of the compressor chamber front plate When the locking claw provided in the part is inserted into the engagement hole provided in the end part of the outlet port front plate and the side plate, the front Since the curled portion of the locking claw formed to be larger than the width of the engaging hole is locked and held on both sides of the engaging hole, the locking claw does not come off from the engaging hole and can be secured by one person. In addition, the compressor chamber front plate can be easily attached.

  In the second invention, in particular, the tip of the locking claw of the first invention is folded back with a dimension smaller than the width dimension of the engagement hole, and is gradually raised so as to be larger than the width dimension of the engagement hole. When the locking claw is inserted into the engagement hole, the tip of the locking claw is smaller than the width of the engagement hole, so that the insertion is easy and the locking claw is inserted into the engagement hole. Since it becomes positioning at the time of pushing in, the said compressor chamber part front board can be easily attached also in the case of the operation | work in a dark place.

  In the third invention, both sides of the engagement hole provided in the end portion of the blower outlet front plate and the side plate of the first or second invention are formed so as to spread toward the front in a C-shape. When the locking claw is inserted into the engagement hole, the front end of the compressor chamber portion is guided by the tip of the locking claw being guided along the slopes of both side portions of the engagement hole. The workability of mounting is improved.

  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. 2 is a configuration of a mounting portion of a compressor chamber front plate of the outdoor unit. FIG. 3 is a fragmentary cross-sectional view of the mounting portion.

  1, 2, and 3, 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 blower (not shown) that covers the front surface and is built in. A compressor chamber covering a blower port front plate 5 having a blower port 4 for blowing air, a compressor chamber 6 containing a compressor (not shown), and an electrical component chamber 7 containing a control board (not shown). It consists of a front plate 8 and a right side plate 9 that covers the right side surface.

  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 substantially L-shaped locking claws 10 protruding rearward, and the outlet front plate 5 and the right plate Square engaging holes 11 are provided at positions corresponding to the locking claws 10 of the respective vertical end portions 9. The locking claw 10 is provided with a curled portion 12 that is formed by folding back in a semicircular shape so as to be larger than the width dimension of the engaging hole 11 at the end portion.

The compressor chamber front plate 8 is attached to the outdoor unit 1 by inserting the engaging claws 10 of the compressor chamber front plate 8 into the engagement holes 11 of the blower port front plate 5 and the right side plate 9. At this time, since the curled portion 12 formed on the locking claw 10 is larger than the width dimension of the engaging hole 11, it temporarily interferes with both side portions 11a at the entrance portion of the engaging hole 11, The both sides 11a are overcome by the elastic action and are placed in a predetermined position. Thereafter, the compressor chamber front plate 8 is slid upward, and the upper end and 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. When the operator holds the tool in his / her hand, the curl portion 12 formed on the locking claw 10 is locked to the both side portions 11a of the engagement hole 11 even if the hand is released from the compressor chamber front plate 8. 10 does not easily disengage from the engagement hole 11, and the compressor chamber front plate 8 does not fall.

  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.

(Embodiment 2)
FIG. 4 is a perspective view of a main part showing a configuration of a mounting part of a compressor chamber front plate of an outdoor unit of an air conditioner according to a second embodiment of the present invention, and FIG. 5 is a main part of the mounting part. It is sectional drawing. 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, the front end of the locking claw 10 is folded back to a size smaller than the width dimension of the engagement hole 11, and is gradually raised so as to be larger than the width dimension of the engagement hole 11 in a dogleg shape. 13 is formed. With this shape, when the locking claw 10 is inserted into the engagement hole 11, the distal end portion of the locking claw 10 is smaller than the width of the engagement hole 11, so that the insertion is easier and the engagement claw 10 is engaged. Since it becomes positioning at the time of pushing into the hole 11, the compressor chamber front plate 8 can be easily attached even when working in a dark place.

(Embodiment 3)
FIGS. 6A and 6B are cross-sectional views of the main part of the outdoor unit of the air conditioner according to the third 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, in FIG. 6 (a), both side portions 11a of the engagement hole 11 are cut and formed so as to spread toward the front in a C shape. In FIG. 6 (b), both side portions 11b of the engagement hole 11 are formed so as to expand toward the front in a C-shape. With these configurations, when the locking claw 10 is inserted into the engagement hole 11, the front end of the locking claw 10 is guided along the slopes of the both side portions 11 a and 11 b of the engagement hole 11 and fits in a predetermined position. Therefore, the workability of attaching the compressor chamber front plate 8 is improved.

  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. Perspective view of the main part of the outdoor unit Cross section of the main unit of the outdoor unit The principal part perspective view of the outdoor unit of the air conditioner in Embodiment 2 of this invention Cross section of the main unit of the outdoor unit (A), (b) Main part sectional drawing of the outdoor unit of the air conditioner in Embodiment 3 of this invention. A developed perspective view of an outdoor unit of a conventional air conditioner (A) Cross-sectional view of portions D and E in FIG. 7, (b) Front view of portions D and 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 part front plate 6 Compressor room 8 Compressor room part front plate 9 Side plate 10 Locking claw 11 Engagement hole 11a Both sides 12 Curl part 13 Locking part

Claims (3)

An outer box having a compressor chamber containing a compressor and a blower; and the outer box includes a top plate disposed on a top surface, and a blower port front plate provided with a blowout port for blowing out the air of the blower. The compressor chamber part front plate that covers the front part of the compressor chamber and the side plate that covers the side part, and a plurality of substantially L-shaped 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 the front plate and the side plate, and at least one tip of the engaging claws is defined by the width dimension of the engaging hole. An outdoor unit of an air conditioner, which is formed by curling so as to be slightly larger. The tip of the locking claw is folded back to a dimension smaller than the width dimension of the engagement hole, and is gradually raised so as to be larger than the width dimension of the engagement hole. Air conditioner outdoor unit. The outdoor unit of an air conditioner according to claim 1 or 2, wherein both sides of the engagement hole are formed to expand toward the front in a square shape.