JP6577398B2 - Outdoor unit for refrigeration cycle apparatus and method for manufacturing outdoor unit for refrigeration cycle apparatus - Google Patents

Outdoor unit for refrigeration cycle apparatus and method for manufacturing outdoor unit for refrigeration cycle apparatus Download PDF

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JP6577398B2
JP6577398B2 JP2016062029A JP2016062029A JP6577398B2 JP 6577398 B2 JP6577398 B2 JP 6577398B2 JP 2016062029 A JP2016062029 A JP 2016062029A JP 2016062029 A JP2016062029 A JP 2016062029A JP 6577398 B2 JP6577398 B2 JP 6577398B2
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side plate
flat plate
housing
terminal block
connecting portion
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JP2017172929A (en
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石川　裕
裕 石川
茂基 加藤
茂基 加藤
賢治 鎌田
賢治 鎌田
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Toshiba Carrier Corp
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Description

本発明の実施形態は、冷凍サイクル装置の室外機、及び冷凍サイクル装置の室外機の製造方法に関する。   Embodiments described herein relate generally to an outdoor unit for a refrigeration cycle apparatus and a method for manufacturing the outdoor unit for a refrigeration cycle apparatus.

例えば冷凍サイクル装置の一種である空気調和機の室外機において、室外機の筐体を構成する側板に、筐体の内部と外部とを連通する開口と、その開口周辺に端子台取付部を設けた構成が知られている。端子台取付部には、筐体内の電気機器と電気配線とを接続するための端子台が取り付けられる。作業者は、室外機の据え付けやメンテナンス等で配線作業をする際、端子台を比較的強い力で押えながら作業をすることが多い。したがって、端子台取付部には、この作業時の押圧力に耐え得る程度の比較的高い剛性が必要となる。   For example, in an outdoor unit of an air conditioner that is a type of refrigeration cycle device, an opening that communicates the inside and outside of the casing is provided on the side plate that forms the casing of the outdoor unit, and a terminal block mounting portion is provided around the opening. The configuration is known. A terminal block for connecting the electrical device in the housing and the electrical wiring is mounted on the terminal block mounting portion. When performing wiring work for installation or maintenance of an outdoor unit, an operator often works while holding the terminal block with a relatively strong force. Therefore, the terminal block mounting portion needs to have a relatively high rigidity enough to withstand the pressing force during this operation.

しかし、端子台取付部の剛性を高めるために板金部品等の補強部材を別途設けると、その補強部材の分だけ部品点数が増加し、その結果、室外機の組立工数が増大するなどし、ひいては室外機の製造性の低下や製造コストの増大に繋がる。   However, if a reinforcing member such as a sheet metal part is separately provided in order to increase the rigidity of the terminal block mounting part, the number of parts increases by the amount of the reinforcing member, resulting in an increase in the number of assembly steps for the outdoor unit, etc. This leads to a decrease in manufacturability of the outdoor unit and an increase in manufacturing cost.

特開２０１０−１２７５３６号公報JP 2010-127536 A

そこで、側板とは別構成の補強部材を設けることなく端子台取付部の剛性を高めることができる冷凍サイクル装置の室外機、及び冷凍サイクル装置の室外機の製造方法を提供する。   Then, the manufacturing method of the outdoor unit of the refrigerating-cycle apparatus which can raise the rigidity of a terminal block attachment part, and the outdoor unit of a refrigerating-cycle apparatus without providing the reinforcement member of a structure different from a side plate is provided.

冷凍サイクル装置の室外機は、箱状に形成された筐体と、前記筐体を構成する側板に設けられ電気配線が接続される端子台を取り付ける端子台取付部と、を備える。前記端子台取付部は、前記側板に設けられ前記筐体の内部と外部とを連通する開口部と、前記開口部の周囲の一部が前記側板に接続された接続部を有し、前記接続部を支点に前記筐体の内側へ向かって折れ曲がるように傾斜し、前記端子台が取り付けられる平板部と、前記側板と前記平板部の上部との間を連結し複数の折り曲げ部が形成されることで前記筐体の内側へ向かって延びるように形成された連結部と、を有している。前記側板と前記平板部と前記連結部とは、一体に形成されている。前記連結部は、当該連結部と前記側板との境界部分である側板側端部と、当該連結部と前記平板部との境界部分である平板部側端部と、の間において複数の折り曲げ部が形成されることにより、前記筐体の内側へ向かって延びるように形成されている。 The outdoor unit of the refrigeration cycle apparatus includes a box-shaped housing and a terminal block mounting portion to which a terminal block provided on a side plate constituting the housing and to which electric wiring is connected is attached. The terminal block mounting portion includes an opening provided on the side plate and communicating between the inside and the outside of the housing, and a connection portion in which a part of the periphery of the opening is connected to the side plate. A plurality of bent portions are formed by connecting the flat plate portion to which the terminal block is attached, the side plate, and the upper portion of the flat plate portion , with the portion being a fulcrum and being bent toward the inside of the housing. And a connecting portion formed to extend toward the inside of the housing. The side plate, the flat plate portion, and the connecting portion are integrally formed. The connecting portion includes a plurality of bent portions between a side plate side end portion that is a boundary portion between the connecting portion and the side plate, and a flat plate portion side end portion that is a boundary portion between the connecting portion and the flat plate portion. Is formed so as to extend toward the inside of the casing.

また、冷凍サイクル装置の室外機の製造方法は、筐体の側板の製造工程において、前記側板を貫いて前記筐体の内部と外部とを連通する開口部と、前記側板の平面方向における前記開口部の内側に設けられ、周囲の一部が前記側板に接続された接続部を有して前記端子台が取り付けられる平板部と、前記側板と前記平板部の上部との間を連結し前記側板との境界部分である側板側端部と前記平板部との境界部分である平板部側端部との間を屈曲しながら蛇行する形態に形成された連結部と、を平板状の板部材を打ち抜いて一体に形成する打ち抜き工程と、前記接続部を支点に前記平板部を前記筐体の内側へ向かって傾斜するように折り曲げるとともに、前記連結部と前記側板との境界部分である側板側端部と、前記連結部と前記平板部との境界部分である平板部側端部と、の間において複数の折り曲げ部を形成することで前記連結部を前記筐体の内側へ延ばすように折り曲げる曲げ工程と、を備えている。 The outdoor unit manufacturing method for the refrigeration cycle apparatus includes a step of manufacturing a side plate of the casing, and an opening that penetrates the side plate and communicates the inside and the outside of the casing, and the opening in the planar direction of the side plate. A flat plate portion provided on the inside of the portion and having a connection portion with a part of the periphery connected to the side plate, to which the terminal block is attached, and between the side plate and the upper portion of the flat plate portion , the side plate A connecting portion formed in a meandering manner while bending between a side plate side end portion that is a boundary portion and a flat plate portion side end portion that is a boundary portion between the flat plate portion , and a flat plate member A punching step that is integrally formed by punching , and a side plate side end that is a boundary portion between the connecting portion and the side plate while bending the flat plate portion so as to incline toward the inside of the housing with the connection portion as a fulcrum And the boundary between the connecting portion and the flat plate portion It includes a flat plate portion side end portion is a portion, the bending process bending the connecting portion by forming a plurality of bent portions to extend to the inside of the housing between the, the.

一実施形態による冷凍サイクル装置の室外機を示す斜視図The perspective view which shows the outdoor unit of the refrigerating-cycle apparatus by one Embodiment. 一実施形態について、側板を示す図The figure which shows a side plate about one Embodiment 一実施形態について、端子台取付部の周辺部を拡大して示す図The figure which expands and shows the peripheral part of a terminal block attaching part about one embodiment 一実施形態について、端子台取付部の製造工程の一例を示すフローチャートThe flowchart which shows an example of the manufacturing process of a terminal block attaching part about one Embodiment. 一実施形態について、連結部及び平板部を折り曲げる前の端子台取付部の周辺部を拡大して示す図The figure which expands and shows the peripheral part of the terminal block attachment part before bending a connection part and a flat plate part about one Embodiment. 一実施実施形態について、連結部及び平板部を折り曲げた状態の端子台取付部を示す断面図Sectional drawing which shows the terminal block attachment part of the state which bent the connection part and the flat plate part about one Embodiment

以下、一実施形態について図面を参照しながら説明する。
本実施形態においては、冷凍サイクル装置として空気調和機を例に説明する。なお、冷凍サイクル装置の室外機としては、空気調和機の室外機の他にヒートポンプ式給湯機の熱源機、冷凍機等がある。
図１に示す空気調和機の室外機１０は、外殻を構成する筐体２０の内部に、図示しないファンや熱交換器等を内蔵している。筐体２０は、前板２１、天板２２、左右２つの側板２３、及び図示しない底板を組み合わせることで、矩形の箱状に形成されている。前板２１、天板２２、側板２３、及び図示しない底板は、それぞれ金属製の板を曲げ加工等することにより形成されている。なお、本実施形態では、前板２１側の面を室外機１０の前面又は前側とし、前板２１とは反対側の面を背面又は後側とする。また、室外機１０の設置状態における重力方向を、室外機１０の上下方向とする。そして、前後方向及び上下方向に対する直角方向を、室外機１０の横方向又は左右方向とする。 Hereinafter, an embodiment will be described with reference to the drawings.
In the present embodiment, an air conditioner will be described as an example of the refrigeration cycle apparatus. In addition, as an outdoor unit of the refrigeration cycle apparatus, in addition to the outdoor unit of the air conditioner, there are a heat source device of a heat pump type water heater, a refrigerator, and the like.
The outdoor unit 10 of the air conditioner shown in FIG. 1 incorporates a fan, a heat exchanger, etc. (not shown) inside a housing 20 that constitutes an outer shell. The housing 20 is formed in a rectangular box shape by combining a front plate 21, a top plate 22, two left and right side plates 23, and a bottom plate (not shown). The front plate 21, the top plate 22, the side plate 23, and the bottom plate (not shown) are formed by bending a metal plate, respectively. In the present embodiment, the surface on the front plate 21 side is the front surface or front side of the outdoor unit 10, and the surface opposite to the front plate 21 is the back surface or rear side. Moreover, let the gravity direction in the installation state of the outdoor unit 10 be the vertical direction of the outdoor unit 10. And let the right angle direction with respect to the front-back direction and an up-down direction be the horizontal direction or the left-right direction of the outdoor unit 10.

前板２１は、吐出口２１１を有している。吐出口２１１は、筐体２０内に設けられた図示しないファンからの風を室外機１０の外部に吐出するためのものである。吐出口２１１は、前板２１を当該前板２１の厚み方向へ貫いて形成されており、筐体２０の内部と外部とを連通している。そして、詳細は図示しないが、前板２１とは反対側において、左右２つの側板２３間は離間しており、これにより、前板２１とは反対側の面つまり筐体２０の背面は開放されている。そして、筐体２０内に収容されている図示しない熱交換器は、この開放部分から外部に露出している。   The front plate 21 has a discharge port 211. The discharge port 211 is for discharging wind from a fan (not shown) provided in the housing 20 to the outside of the outdoor unit 10. The discharge port 211 is formed through the front plate 21 in the thickness direction of the front plate 21, and communicates the inside and the outside of the housing 20. Although not shown in detail, the left and right side plates 23 are spaced apart from each other on the side opposite to the front plate 21, so that the surface opposite to the front plate 21, that is, the rear surface of the housing 20 is opened. ing. And the heat exchanger (not shown) accommodated in the housing | casing 20 is exposed outside from this open part.

また、室外機１０は、化粧カバー１１、側面カバー１２、及び図２に示す端子台４０を有している。化粧カバー１１は、例えば合成樹脂製の部材によっていわゆるメッシュ状に形成されている。化粧カバー１１は、前板２１に取り付けられており、吐出口２１１を覆っている。側面カバー１２は、左右両側の側板２３のうち一方の側板２３に着脱可能に設けられている。側面カバー１２は、筐体２０の外部から内部に引き込まれている図示しない冷媒用配管や電気配線、及び図２に示す端子台４０を覆っている。   Moreover, the outdoor unit 10 has a decorative cover 11, a side cover 12, and a terminal block 40 shown in FIG. The decorative cover 11 is formed in a so-called mesh shape by a member made of synthetic resin, for example. The decorative cover 11 is attached to the front plate 21 and covers the discharge port 211. The side cover 12 is detachably provided on one side plate 23 of the left and right side plates 23. The side cover 12 covers a refrigerant pipe and electrical wiring (not shown) drawn into the housing 20 from the outside and the terminal block 40 shown in FIG.

次に、左右両側の側板２３のうち側面カバー１２が取り付けられている一方の側板２３の詳細について、図２及び図３も参照して説明する。なお、以下の説明では、単に側板２３と称する。側板２３は、図２に示すように、配管挿通部２３１及び端子台取付部３０を有している。配管挿通部２３１は、側板２３の下端部に設けられており、側板２３を側板２３の厚み方向へ貫いた穴又は切欠き状に形成されている。図示しない冷媒用配管は、配管挿通部２３１に通されて、筐体２０内に引き込まれる。   Next, details of one side plate 23 to which the side cover 12 is attached among the left and right side plates 23 will be described with reference to FIGS. In the following description, the side plate 23 is simply referred to. As shown in FIG. 2, the side plate 23 has a pipe insertion part 231 and a terminal block attaching part 30. The pipe insertion portion 231 is provided at the lower end portion of the side plate 23, and is formed in a hole or notch that penetrates the side plate 23 in the thickness direction of the side plate 23. A refrigerant pipe (not shown) is passed through the pipe insertion portion 231 and drawn into the housing 20.

端子台取付部３０は、側板２３の上下方向における上部、この場合、中央よりも上寄りに設けられている。端子台取付部３０は、図３にも示すように、開口部３１、平板部３２、及び少なくとも一つの連結部３３を有している。本実施形態の場合、端子台取付部３０は、２つの連結部３３を有している。開口部３１は、筐体２０に設けられている。開口部３１は、側板２３の一部を貫いて形成されており、筐体２０の内部と外部とを連通している。開口部３１が形成されることにより、側板２３と平板部３２とが部分的に離間されている。   The terminal block attaching part 30 is provided in the upper part of the side plate 23 in the vertical direction, in this case, higher than the center. As shown in FIG. 3, the terminal block attaching part 30 has an opening 31, a flat plate part 32, and at least one connecting part 33. In the case of this embodiment, the terminal block attaching part 30 has two connecting parts 33. The opening 31 is provided in the housing 20. The opening 31 is formed through a part of the side plate 23 and communicates the inside and the outside of the housing 20. By forming the opening 31, the side plate 23 and the flat plate portion 32 are partially separated.

平板部３２は、側板２３の平面方向における開口部３１の内側に設けられている。平板部３２は、図２に示すように、端子台４０が取り付けられる領域であり、全体として矩形状に形成されている。図３にも示すように、平板部３２は、接続部３２１を有している。接続部３２１は、平板部３２の周囲のうち側板２３に接続された部分であり、開口部３１の周囲の一部が筐体２０の一部と連続している部分である。この場合、平板部３２は、開口部３１の内側において接続部３２１と連続して設けられている。本実施形態の場合、接続部３２１は、矩形の平板部３２の一辺部この場合下側の辺部に設けられている。平板部３２は、接続部３２１を支点にして、筐体２０の内側へ向かって折れ曲がるように傾斜している。   The flat plate portion 32 is provided inside the opening 31 in the planar direction of the side plate 23. As shown in FIG. 2, the flat plate portion 32 is a region to which the terminal block 40 is attached, and is formed in a rectangular shape as a whole. As shown also in FIG. 3, the flat plate portion 32 has a connection portion 321. The connection part 321 is a part connected to the side plate 23 in the periphery of the flat plate part 32, and a part of the periphery of the opening 31 is continuous with a part of the housing 20. In this case, the flat plate portion 32 is provided continuously with the connection portion 321 inside the opening portion 31. In the case of this embodiment, the connection part 321 is provided on one side of the rectangular flat plate part 32 in this case, the lower side. The flat plate portion 32 is inclined so as to be bent toward the inside of the housing 20 with the connection portion 321 as a fulcrum.

また、図３に示すように、平板部３２は、係止部３２２、ネジ穴３２３、及び三角リブ３２４を有している。係止部３２２は、平板部３２の一部を打ち抜くとともに他の一部を立ち上げるように曲げて形成されている。ネジ穴３２３は、平板部３２を貫いて形成された雌ネジ穴である。端子台４０の一部は、係止部３２２に係止される。そして、図２に示すように、ネジ等の締結部材４１が、端子台４０に通されてネジ穴３２３にねじ込まれる。これにより、端子台４０は、平板部３２に固定される。三角リブ３２４は、接続部３２１上に設けられており、平板部３２の曲げ状態を補強している。   As shown in FIG. 3, the flat plate portion 32 includes a locking portion 322, a screw hole 323, and a triangular rib 324. The locking part 322 is formed by punching a part of the flat plate part 32 and bending it so that the other part is raised. The screw hole 323 is a female screw hole formed through the flat plate portion 32. A part of the terminal block 40 is locked to the locking portion 322. Then, as shown in FIG. 2, a fastening member 41 such as a screw is passed through the terminal block 40 and screwed into the screw hole 323. Thereby, the terminal block 40 is fixed to the flat plate portion 32. The triangular rib 324 is provided on the connection portion 321 and reinforces the bent state of the flat plate portion 32.

図３にも示すように、連結部３３は、平板部３２において接続部３２１とは異なる端部に設けられている。本実施形態の場合、連結部３３は、平板部３２の上端部の両側２箇所に設けられている。ちなみに、連結部３３が設けられる位置は、平板部３２の上端部に限られない。しかし、加工のし易さ等を考慮すると、連結部３３の位置は、平板部３２において接続部３２１から極力遠い位置であることが好ましい。   As shown in FIG. 3, the connecting portion 33 is provided at an end portion of the flat plate portion 32 that is different from the connecting portion 321. In the case of this embodiment, the connection part 33 is provided in two places on both sides of the upper end part of the flat plate part 32. Incidentally, the position where the connecting portion 33 is provided is not limited to the upper end portion of the flat plate portion 32. However, in consideration of the ease of processing and the like, the position of the connecting portion 33 is preferably a position as far as possible from the connecting portion 321 in the flat plate portion 32.

連結部３３は、一端側が平板部３２に連結され、他端側が開口部３１の周囲の側板２３に連結されている。これにより、連結部３３は、筐体２０の一部との間を連結している。本実施形態では、連結部３３の一端側つまり連結部３３と平板部３２との境界部分を、平板部側端部３３１と称する。また、連結部３３の他端側つまり連結部３３と側板２３との境界部分を、側板側端部３３２と称する。連結部３３は、両端部３３１、３３２間において複数の折り曲げ部が形成されることにより、筐体２０の内側へ向かって延びるように形成されている。そして、側板２３と、平板部３２と、連結部３３とは、溶接や接着剤によって接合されることなく、又、締結部材等を用いて結合することなく、同一の材料この場合同一の金属板によって一体に形成されている。すなわち、筐体２０と、平板部３２と、連結部３３とが、一体に形成されている。   One end side of the connecting portion 33 is connected to the flat plate portion 32, and the other end side is connected to the side plate 23 around the opening portion 31. Thereby, the connection part 33 has connected between some housing | casings 20. FIG. In the present embodiment, one end side of the connecting portion 33, that is, a boundary portion between the connecting portion 33 and the flat plate portion 32 is referred to as a flat plate portion side end portion 331. Further, the other end side of the connecting portion 33, that is, the boundary portion between the connecting portion 33 and the side plate 23 is referred to as a side plate side end portion 332. The connecting portion 33 is formed to extend toward the inside of the housing 20 by forming a plurality of bent portions between both end portions 331 and 332. The side plate 23, the flat plate portion 32, and the connecting portion 33 are made of the same material in this case without being joined by welding or an adhesive, and without being joined using a fastening member. Are integrally formed. That is, the housing 20, the flat plate portion 32, and the connecting portion 33 are integrally formed.

この場合、連結部３３は、図５に示すように、連結部３３が折り曲げられていない状態では、平板部側端部３３１と側板側端部３３２との間を上下方向に屈曲しながら蛇行するような形態に形成されている。また、連結部３３が折り曲げられていない状態において、平板部側端部３３１は、側板側端部３３２と略同程度の高さ位置、又は側板側端部３３２よりも下方すなわち接続部３２１側に位置している。   In this case, as shown in FIG. 5, the connecting portion 33 meanders while bending in the vertical direction between the flat plate side end portion 331 and the side plate side end portion 332 in a state where the connecting portion 33 is not bent. It is formed in such a form. Further, in a state where the connecting portion 33 is not bent, the flat plate portion side end portion 331 is at a height position substantially the same as the side plate side end portion 332 or below the side plate side end portion 332, that is, on the connection portion 321 side. positioned.

また、本実施形態において、連結部３３の幅寸法は、側板２３の厚み寸法すなわち連結部３３の厚み寸法の６倍以上に設定されている。本実施形態の場合、連結部３３の幅寸法は、最も狭い箇所においても、連結部３３の厚み寸法の６倍以上に設定されている。例えば側板２３の厚み寸法が０．６ｍｍである場合、連結部３３の幅寸法は、最も狭い箇所Ｗ１においては３．６ｍｍ以上に設定されている。   In the present embodiment, the width dimension of the connecting portion 33 is set to be six times or more the thickness dimension of the side plate 23, that is, the thickness dimension of the connecting portion 33. In the case of this embodiment, the width dimension of the connection part 33 is set to 6 times or more the thickness dimension of the connection part 33 even in the narrowest part. For example, when the thickness dimension of the side plate 23 is 0.6 mm, the width dimension of the connecting portion 33 is set to 3.6 mm or more at the narrowest portion W1.

端子台４０は、図２に示すように、端子台取付部３０に着脱可能に設けられている。詳細は図示しないが、端子台４０は、相互に分離された電気配線間を電気的に接続するものであり、例えばワンタッチコネクタである。筐体２０内の電気配線と筐体２０外の電気配線とは、端子台取付部３０に設けられた端子台４０を介して電気的に接続される。そして、その電気配線は、開口部３１に通されて開口部３１を通して筐体２０の外部から内部に引き込まれる。   As shown in FIG. 2, the terminal block 40 is detachably provided on the terminal block mounting portion 30. Although not shown in detail, the terminal block 40 is used to electrically connect electrical wirings separated from each other, and is, for example, a one-touch connector. The electrical wiring inside the housing 20 and the electrical wiring outside the housing 20 are electrically connected via a terminal block 40 provided on the terminal block mounting portion 30. Then, the electrical wiring is passed through the opening 31 and drawn into the housing 20 from the outside through the opening 31.

次に、端子台取付部３０を備えた室外機１０の製造方法について、図４〜図６も参照して説明する。
なお、図５では、部材が存在する部分と部材が存在していない部分とを明確にするため、部材が存在している部分に斜線によるハッチングを施している。すなわち、図５において、側板２３と平板部３２と連結部３３とには、斜線によるハッチングが施されている。したがって、図５のハッチングは、部材の断面を示すものではない。 Next, the manufacturing method of the outdoor unit 10 provided with the terminal block attaching part 30 is demonstrated with reference to FIGS.
In FIG. 5, in order to clarify the portion where the member exists and the portion where the member does not exist, the portion where the member exists is hatched by hatching. That is, in FIG. 5, the side plate 23, the flat plate portion 32, and the connecting portion 33 are hatched by hatching. Therefore, the hatching in FIG. 5 does not indicate a cross section of the member.

図４に示すフローチャートは、室外機１０の製造工程のうち、側板２３の製造工程の一部を示すものであり、ステップＳ１１の打ち抜き工程と、ステップＳ１２の曲げ工程と、を含んでいる。ステップＳ１１の打ち抜き工程は、図５に示すように、側板２３の母材となる平板状の金属板を打ち抜くことで、開口部３１と、平板部３２と、連結部３３と、を一体に形成する工程である。また、この打ち抜き工程では、係止部３２２も同時に打ち抜いて形成する。打ち抜き工程の実行後、ステップＳ１２の曲げ工程が実行される。   The flowchart shown in FIG. 4 shows a part of the manufacturing process of the side plate 23 among the manufacturing processes of the outdoor unit 10, and includes the punching process of step S11 and the bending process of step S12. As shown in FIG. 5, the punching process in step S <b> 11 integrally forms the opening 31, the flat plate portion 32, and the connecting portion 33 by punching a flat metal plate that is a base material of the side plate 23. It is a process to do. In this punching process, the locking portion 322 is also punched and formed at the same time. After execution of the punching process, the bending process of step S12 is performed.

ステップＳ１２の曲げ工程は、図３及び図６に示すように、接続部３２１を支点に平板部３２を筐体２０の内側へ向かって傾斜するように折り曲げるとともに、連結部３３を筐体２０の内側へ延ばすように折り曲げる工程である。この折り曲げ工程において、連結部３３は、図５の破線Ｌ１〜Ｌ４に沿って折り曲げられ、破線Ｌ１〜Ｌ４に複数の折り曲げ部３３３が形成される。この場合、連結部３３には、破線Ｌ１〜Ｌ４で示す部分に山折り部分と谷折り部分とが交互に形成される。これにより、端子台取付部３０が、側板２３に一体的に形成される。また、この曲げ工程では、図３に示す三角リブ３２４も同時に形成される。そして、曲げ工程の実行後、端子台取付部３０の平板部３２に端子台４０が取り付けられる。   As shown in FIGS. 3 and 6, the bending process in step S <b> 12 is performed by bending the flat plate portion 32 so as to incline toward the inside of the housing 20 with the connecting portion 321 as a fulcrum, and the connecting portion 33 of the housing 20. It is a process of bending so as to extend inward. In this bending step, the connecting portion 33 is bent along the broken lines L1 to L4 in FIG. 5, and a plurality of bent portions 333 are formed on the broken lines L1 to L4. In this case, in the connection part 33, the mountain fold part and the valley fold part are alternately formed in the part shown with the broken lines L1-L4. Thereby, the terminal block attaching part 30 is formed integrally with the side plate 23. In this bending process, the triangular rib 324 shown in FIG. 3 is also formed at the same time. And after execution of a bending process, the terminal block 40 is attached to the flat plate part 32 of the terminal block attaching part 30. FIG.

以上説明した実施形態によれば、室外機１０は、箱状に形成された筐体２０と、端子台取付部３０と、を備えている。端子台取付部３０は、筐体２０を構成する側板２３に設けられており、電気配線が接続される端子台４０を着脱可能に構成されている。端子台取付部３０は、開口部３１と、平板部３２と、連結部３３と、を有している。開口部３１は、側板２３を貫いて形成されており、筐体２０の内部と外部とを連通している。平板部３２は、側板２３の平面方向における開口部３１の内側に設けられている。平板部３２は、周囲の一部が側板２３に接続された接続部３２１を有している。平板部３２は、接続部３２１を支点に筐体２０の内側へ向かって折れ曲がるように傾斜している。平板部３２は、端子台４０が着脱可能に取り付けられる。また、連結部３３は、側板２３と平板部３２との間を連結している。   According to the embodiment described above, the outdoor unit 10 includes the housing 20 formed in a box shape and the terminal block mounting portion 30. The terminal block attaching part 30 is provided on the side plate 23 that constitutes the housing 20, and is configured to be detachable from the terminal block 40 to which electrical wiring is connected. The terminal block attaching part 30 has an opening part 31, a flat plate part 32, and a connecting part 33. The opening 31 is formed through the side plate 23 and communicates the inside and the outside of the housing 20. The flat plate portion 32 is provided inside the opening 31 in the planar direction of the side plate 23. The flat plate portion 32 has a connection portion 321 in which a part of the periphery is connected to the side plate 23. The flat plate portion 32 is inclined so as to be bent toward the inside of the housing 20 with the connection portion 321 as a fulcrum. The terminal block 40 is detachably attached to the flat plate portion 32. Further, the connecting portion 33 connects the side plate 23 and the flat plate portion 32.

また、室外機１０の製造方法は、筐体２０の側板２３を製造工程において、図４に示すように、ステップＳ１１の打ち抜き工程と、ステップＳ１２の曲げ工程と、を備える。打ち抜き工程は、開口部３１と、平板部３２と、連結部３３と、を平板状の板部材を打ち抜いて一体に形成する工程である。この場合、開口部３１は、側板２３を貫いて筐体２０の内部と外部とを連通している。平板部３２は、側板２３の平面方向における開口部３１の内側に設けられ、周囲の一部が側板２３に接続された接続部３２１を有しており、端子台４０が着脱可能に取り付けられる。連結部３３は、側板２３と平板部３２との間を連結している。曲げ工程は、接続部３２１を支点に平板部３２を筐体２０の内側へ向かって傾斜するように折り曲げるとともに、連結部３３を筐体２０の内側へ延ばすように折り曲げる工程である。   Moreover, the manufacturing method of the outdoor unit 10 includes a punching process in step S11 and a bending process in step S12 in the manufacturing process of the side plate 23 of the housing 20, as shown in FIG. The punching step is a step of integrally forming the opening 31, the flat plate portion 32, and the connecting portion 33 by punching a flat plate member. In this case, the opening 31 passes through the side plate 23 and communicates the inside and the outside of the housing 20. The flat plate portion 32 is provided inside the opening portion 31 in the planar direction of the side plate 23, has a connection portion 321 with a part of the periphery connected to the side plate 23, and the terminal block 40 is detachably attached thereto. The connecting portion 33 connects the side plate 23 and the flat plate portion 32. The bending step is a step of bending the flat plate portion 32 so as to incline toward the inside of the housing 20 with the connection portion 321 as a fulcrum and bending the connecting portion 33 so as to extend to the inside of the housing 20.

これらによれば、連結部３３は、平板部３２と側板２３とを連結している。このため、室外機１０の据え付けやメンテナンスでの配線作業の際に筐体２０の内側方向への押圧が加えられ易い平板部３２において、その筐体２０の内側方向への押圧に対する剛性を高めることができる。すなわち、連結部３３は、平板部３２を補強する補強部材としての機能を有しており、平板部３２の剛性すなわち端子台取付部３０の剛性を高めることができる。   According to these, the connecting portion 33 connects the flat plate portion 32 and the side plate 23. For this reason, in the flat plate part 32 in which the pressing toward the inner side of the housing 20 is easily applied during wiring work for installation or maintenance of the outdoor unit 10, the rigidity against the pressing in the inner direction of the housing 20 is increased. Can do. That is, the connecting portion 33 functions as a reinforcing member that reinforces the flat plate portion 32, and can increase the rigidity of the flat plate portion 32, that is, the rigidity of the terminal block mounting portion 30.

更に、連結部３３は、複数の折り曲げ部３３３が形成されることで筐体２０の内側へ向かって延びるように形成されている。これにより、側板２３と平板部３２と連結部３３とは、溶接や接着剤によって接合されることなく、又、締結部材等を用いて結合することなく、同一の材料この場合金属板によって一体に形成されている。つまり、側板２３と平板部３２と連結部３３とは、接合部分を有することなく同一の部材によって一体に形成されている。   Further, the connecting portion 33 is formed to extend toward the inside of the housing 20 by forming a plurality of bent portions 333. Accordingly, the side plate 23, the flat plate portion 32, and the connecting portion 33 are integrally joined by the same material, in this case, a metal plate, without being joined by welding or an adhesive, or by using a fastening member or the like. Is formed. That is, the side plate 23, the flat plate portion 32, and the connecting portion 33 are integrally formed by the same member without having a joint portion.

すなわち、連結部３３は、側板２３及び平板部３２とは別体に構成された板金部品等ではなく、側板２３及び平板部３２と一体に形成されたものである。これによれば、端子台取付部３０の剛性を高めるために板金部品等の補強部材を別途設ける必要がない。したがって、連結部３３を設けることよる部品点数の増加を抑制することができる。その結果、室外機１０の組立工数の増加を抑制でき、ひいては室外機１０の製造性の低下や製造コストの増加を抑制することができる。   That is, the connecting portion 33 is formed integrally with the side plate 23 and the flat plate portion 32 instead of a sheet metal part or the like configured separately from the side plate 23 and the flat plate portion 32. According to this, it is not necessary to separately provide a reinforcing member such as a sheet metal part in order to increase the rigidity of the terminal block mounting portion 30. Therefore, an increase in the number of parts due to the provision of the connecting portion 33 can be suppressed. As a result, an increase in the number of assembling steps of the outdoor unit 10 can be suppressed, and consequently a decrease in manufacturability and an increase in manufacturing cost of the outdoor unit 10 can be suppressed.

連結部３３の幅寸法は、側板２３の厚み寸法つまり連結部３３の厚み寸法の６倍以上に設定されている。すなわち、連結部３３の厚み寸法に対して連結部３３の幅寸法が小さ過ぎると、連結部３３の剛性が小さくなる。すると、連結部３３は、端子台取付部３０の補強部材としての機能を十分に発揮できないばかりか、加工時に破断してしまうこともあり、加工も難くなる。これに対し、本願発明者は、連結部３３の厚み寸法に対して連結部３３の幅寸法が６倍以上である場合には、連結部３３の剛性を十分に確保することができるとともに加工がし易くなることを見出した。すなわち、これによれば、連結部３３の剛性を確保しつつ加工性の向上を図ることができる。   The width dimension of the connecting portion 33 is set to be six times or more the thickness dimension of the side plate 23, that is, the thickness dimension of the connecting portion 33. That is, if the width dimension of the connection part 33 is too small with respect to the thickness dimension of the connection part 33, the rigidity of the connection part 33 will become small. Then, the connection part 33 cannot fully exhibit the function as a reinforcement member of the terminal block attaching part 30, but may break at the time of processing, and processing becomes difficult. On the other hand, when the width dimension of the connection part 33 is 6 times or more with respect to the thickness dimension of the connection part 33, this inventor can fully ensure the rigidity of the connection part 33, and is processed. I found it easier to do. That is, according to this, workability can be improved while ensuring the rigidity of the connecting portion 33.

なお、接続部３２１や連結部３３の長さ寸法や配置等は、上記したものに限られず、平板部３２のサイズや配置等によって適宜変更することができる。
また、筐体２０は、別体に形成された前板２１、天板２２、及び側板２３を組み合わせて箱状に形成したものに限られず、これら前板２１、天板２２、及び側板２３が一体に構成されたものであってもよい。 In addition, the length dimension, arrangement | positioning, etc. of the connection part 321 or the connection part 33 are not restricted above, It can change suitably with the size, arrangement | positioning, etc. of the flat plate part 32. FIG.
Moreover, the housing | casing 20 is not restricted to what was formed in the box shape combining the front plate 21, the top plate 22, and the side plate 23 which were formed separately, These front plate 21, the top plate 22, and the side plate 23 comprise It may be configured integrally.

以上、本発明の一実施形態を説明したが、この実施形態は、例として提示したものであり、発明の範囲を限定することは意図していない。この新規な実施形態は、その他の様々な形態で実施されることが可能であり、発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更を行うことができる。この実施形態やその変形は、発明の範囲や要旨に含まれるとともに、特許請求の範囲に記載された発明とその均等の範囲に含まれる。   Although one embodiment of the present invention has been described above, this embodiment is presented as an example and is not intended to limit the scope of the invention. The novel embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. This embodiment and its modifications are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

図面中、１０は室外機、２０は筐体、２３は側板、３０は端子台取付部、３１は開口部、３２は平板部、３２１は接続部、３３は連結部、３３３は折り曲げ部、４０は端子台を示す。   In the drawings, 10 is an outdoor unit, 20 is a housing, 23 is a side plate, 30 is a terminal block mounting part, 31 is an opening, 32 is a flat plate part, 321 is a connection part, 33 is a connection part, 333 is a bending part, 40 Indicates a terminal block.

Claims (4)

箱状に形成された筐体と、
前記筐体を構成する側板に設けられ電気配線が接続される端子台を取り付ける端子台取付部と、を備え、
前記端子台取付部は、
前記側板に設けられ前記筐体の内部と外部とを連通する開口部と、
前記開口部の周囲の一部が前記側板に接続された接続部を有し、前記接続部を支点に前記筐体の内側へ向かって折れ曲がるように傾斜し、前記端子台が取り付けられる平板部と、
前記側板と前記平板部の上部との間を連結し複数の折り曲げ部が形成されることで前記筐体の内側へ向かって延びるように形成された連結部と、を有し、
前記側板と前記平板部と前記連結部とは、一体に形成され、
前記連結部は、当該連結部と前記側板との境界部分である側板側端部と、当該連結部と前記平板部との境界部分である平板部側端部と、の間において複数の折り曲げ部が形成されることにより、前記筐体の内側へ向かって延びるように形成されている、
冷凍サイクル装置の室外機。 A box-shaped housing;
A terminal block mounting portion for mounting a terminal block provided on a side plate constituting the housing and to which electric wiring is connected;
The terminal block mounting portion is
An opening provided in the side plate and communicating between the inside and the outside of the housing;
A flat plate portion on which a part of the periphery of the opening portion has a connection portion connected to the side plate, is inclined so as to be bent toward the inside of the housing with the connection portion as a fulcrum, and the terminal block is attached to the flat plate portion ,
A connecting portion formed between the side plate and the upper portion of the flat plate portion so as to extend toward the inside of the housing by forming a plurality of bent portions;
The side plate, the flat plate portion, and the connecting portion are integrally formed,
The connecting portion includes a plurality of bent portions between a side plate side end portion that is a boundary portion between the connecting portion and the side plate, and a flat plate portion side end portion that is a boundary portion between the connecting portion and the flat plate portion. Is formed so as to extend toward the inside of the housing,
Outdoor unit for refrigeration cycle equipment. 前記連結部の幅寸法は、前記側板の厚み寸法の６倍以上に設定されている、
請求項１に記載の冷凍サイクル装置の室外機。 The width dimension of the connecting portion is set to 6 times or more the thickness dimension of the side plate,
The outdoor unit of the refrigeration cycle apparatus according to claim 1. 電気配線が接続される端子台と、
筐体に設けられ前記端子台を前記筐体に取り付ける端子台取付部と、を備え、
前記端子台取付部は、
前記筐体に設けられた開口部の周囲の一部が前記筐体の一部と連続する接続部と、
前記開口部の内側に前記接続部と連続して設けられ前記端子台が取り付けられる平板部と、
前記接続部とは異なる位置に設けられ前記筐体の一部と前記平板部の上部との間を連結する少なくとも一つの連結部と、を有し、
前記筐体と前記平板部と前記連結部とは、一体に形成され、
前記連結部は、当該連結部と前記筐体を構成する側板との境界部分である側板側端部と、当該連結部と前記平板部との境界部分である平板部側端部と、の間において複数の折り曲げ部が形成されることにより、前記筐体の内側へ向かって延びるように形成されている、
冷凍サイクル装置の室外機。 A terminal block to which electrical wiring is connected;
A terminal block mounting portion provided on the casing and mounting the terminal block on the casing;
The terminal block mounting portion is
A connection part in which a part of the periphery of the opening provided in the case is continuous with a part of the case;
A flat plate portion provided continuously with the connection portion inside the opening and to which the terminal block is attached;
And at least one connecting part that is provided at a position different from the connecting part and connects between a part of the housing and the upper part of the flat plate part,
The housing, the flat plate portion, and the connecting portion are integrally formed ,
The connecting portion is between a side plate side end portion which is a boundary portion between the connecting portion and the side plate constituting the housing, and a flat plate portion side end portion which is a boundary portion between the connecting portion and the flat plate portion. Is formed so as to extend toward the inside of the housing, by forming a plurality of bent portions.
Outdoor unit for refrigeration cycle equipment. 冷凍サイクル装置の室外機の製造方法であって、
前記室外機の筐体の側板の製造工程において、
前記側板を貫いて前記筐体の内部と外部とを連通する開口部と、前記側板の平面方向における前記開口部の内側に設けられ、周囲の一部が前記側板に接続された接続部を有して端子台が取り付けられる平板部と、前記側板と前記平板部の上部との間を連結し前記側板との境界部分である側板側端部と前記平板部との境界部分である平板部側端部との間を屈曲しながら蛇行する形態に形成された連結部と、を平板状の板部材を打ち抜いて一体に形成する打ち抜き工程と、
前記接続部を支点に前記平板部を前記筐体の内側へ向かって傾斜するように折り曲げるとともに、前記連結部と前記側板との境界部分である側板側端部と、前記連結部と前記平板部との境界部分である平板部側端部と、の間において複数の折り曲げ部を形成することで前記連結部を前記筐体の内側へ延ばすように折り曲げる曲げ工程と、
を備えている冷凍サイクル装置の室外機の製造方法。 A method for manufacturing an outdoor unit of a refrigeration cycle apparatus,
In the manufacturing process of the side plate of the casing of the outdoor unit,
There is an opening that passes through the side plate and communicates the inside and the outside of the housing, and a connection portion that is provided inside the opening in the planar direction of the side plate and a part of the periphery of which is connected to the side plate. and a flat portion which terminal block is attached to a flat plate portion which is a boundary portion between the flat portion and the side plate side end portion which is a boundary portion between linked the side plate between the upper portion of the side plate and said plate A punching step of punching a flat plate member and integrally forming a connecting portion formed in a meandering manner while bending between the side end portions,
The flat plate portion is bent so as to incline toward the inside of the housing with the connection portion as a fulcrum, a side plate side end portion that is a boundary portion between the connecting portion and the side plate, the connecting portion and the flat plate portion. A bending step of bending the connecting portion so as to extend to the inside of the housing by forming a plurality of bent portions between the flat plate portion side end portion which is a boundary portion between
The manufacturing method of the outdoor unit of the refrigerating-cycle apparatus provided with.
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