JP2016075438A - Air conditioning device indoor machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioning device indoor machine capable of utilizing a pace around an indoor machine housing support part, providing a housing support structure in consideration of workability, and capable of enlarging a housing internal space.SOLUTION: An air conditioning device indoor machine has an air blower at a substantially central part of a housing, and a heat exchanger and a plurality of air blowout ports around the air blower; and is buried into a ceiling or suspended from the ceiling. The air conditioning device indoor machine has a suspension tool having an opening part at a corner of the housing formed into a substantially quadrangle shape; when the suspension tool is fixed to a suspension bolt suspended from an attic, positions the suspension bolt at the opening part of the suspension tool, arranges a nut at the lower part of the suspension tool, and adjusts the height of the housing; and prevents rotation of the nut by a whirl stop prevention member of the nut.SELECTED DRAWING: Figure 1

Description

本発明は、天井吊もしくは天井埋込型の空気調和装置室内機のキャビネットの本体支持構造に関する。   The present invention relates to a main body support structure for a cabinet of a ceiling-suspended or ceiling-embedded air conditioner indoor unit.

近年オフィスビルなどの空気調和装置室内機を天井埋込もしくは天井吊で設置する形態が増えている。この際、一般に利用される空気吹出し口を複数有する天井カセット型室内機においては、特許文献１などに示される外観を持つ室内機が一般的である。この形態の室内機は、化粧パネルの四つ角の上部に吊固定するための金具が設けられている。このため施工時に金具での吊固定作業を容易とするため、室内機筐体は正方形の角部を切り落とした略８角形とし、角部周辺での金具固定作業を容易とする空間を確保できるようになっている。   In recent years, there has been an increase in the form in which air conditioner indoor units such as office buildings are installed in a ceiling or suspended from the ceiling. At this time, in a ceiling cassette type indoor unit having a plurality of commonly used air outlets, an indoor unit having an appearance shown in Patent Document 1 is common. The indoor unit of this form is provided with metal fittings for hanging and fixing to the upper part of the four corners of the decorative panel. For this reason, in order to make it easy to suspend and fix the brackets with the metal fittings during construction, the indoor unit housing has an approximately octagonal shape with the square corners cut off, so that a space for facilitating the fixture fixing around the corners can be secured. It has become.

このため室内機の内部構造としては、特許文献２に示されるように吊金具と隣接する室内機筐体内部にドレン水ポンプや外気風道が配置されそれら部位が室内機内部で突出する形となるため、熱交換器二次側（吹出し側）の空間を圧迫し送風抵抗の低減を阻害している。   For this reason, as shown in Patent Document 2, the internal structure of the indoor unit is such that a drain water pump and an outdoor air duct are arranged inside the indoor unit housing adjacent to the suspension fitting, and those parts protrude inside the indoor unit. For this reason, the space on the secondary side (outlet side) of the heat exchanger is pressed to inhibit the reduction of the blowing resistance.

特許５１００７１４号Patent 5100714 特開２００５−１６４２０６号公報JP-A-2005-164206

特許文献１の外形を有し、特許文献２の内部構造を有する従来の空気調和装置室内機によれば、四つ角部に配置され、室内機内部で突出したドレン水ポンプや外気風道が、熱交換器二次側（吹出し側）の空間を圧迫し送風抵抗の低減を阻害している。   According to the conventional air conditioner indoor unit having the external shape of Patent Document 1 and the internal structure of Patent Document 2, the drain water pump and the outdoor air passage that are arranged at the four corners and protrude inside the indoor unit are heated. The space on the secondary side (outlet side) of the exchanger is pressed to inhibit the reduction of the blowing resistance.

また特許文献２の形態の空気調和装置室内機では、化粧パネルの四つ角部において吊金具の上部と下部両方のナットで固定している。このため、その固定作業を容易とするために、天井ボード開口部に対し吊金具周辺が広くあくよう筐体角部を大きく斜めに切り落し、そこに吊金具を設けている。このため筐体内部スペースを圧迫し、向きの異なる隣接する空気吹き出し口が成す角部にドレン水ポンプや外気風道などの機能部品が配置されるため、熱交換器二次側（吹出し側）の空間を圧迫し送風抵抗を増加させている。   Moreover, in the air conditioner indoor unit of the form of patent document 2, it fixes with the nut of both the upper part and lower part of a hanging bracket in the four corners of a decorative panel. For this reason, in order to facilitate the fixing operation, the corners of the housing are cut off at a large angle so that the periphery of the suspension fitting is wide with respect to the ceiling board opening, and the suspension fitting is provided there. For this reason, functional parts such as drain water pumps and outside air ducts are placed at the corners of the adjacent air outlets that press against the internal space of the housing, and the heat exchanger secondary side (outlet side) The air resistance is increased by pressing the space.

以上のことから本発明においては、室内機筐体支持部周辺スペースを活用でき、施工性に配慮した筐体支持構造を提供し、筐体内部空間を拡大することができる空気調和装置室内機を提供することを目的としている。   From the above, in the present invention, an air conditioner indoor unit that can utilize the space around the indoor unit housing support part, provide a housing support structure that is easy to construct, and can expand the internal space of the housing. It is intended to provide.

以上のことから本発明においては、送風機を筐体略中央に配し、その周囲に熱交換器と複数の空気吹き出し口を有し、天井に埋め込みもしくは、天井より吊り下げる空気調和装置室内機であって、略四角形状の前記筐体の角部に開口部を有する吊金具を配置し、天井裏より吊り下げた吊ボルトに吊り金具を固定するに際し、吊り金具の開口部に吊ボルトを位置づけて吊り金具の下部にナットを配して筐体の高さ位置調整し、ナットの回り止め防止部材によりナットの回転を防止することを特徴とする。   From the above, in the present invention, an air conditioner indoor unit in which an air blower is arranged in the approximate center of the housing, has a heat exchanger and a plurality of air outlets around it, and is embedded in the ceiling or suspended from the ceiling. In addition, when a hanging bracket having an opening is arranged at the corner of the substantially rectangular casing and the hanging bracket is fixed to the hanging bolt suspended from the back of the ceiling, the hanging bolt is positioned at the opening of the hanging bracket. The nut is arranged at the lower part of the hanging metal fitting to adjust the height position of the housing, and the rotation prevention of the nut is prevented by a nut prevention member.

本発明によれば、吊金具の固定方法を見直すことで、その周囲空間を活用できるようにする。これによりドレン水ポンプなどの室内機内部への突出抑制が可能となり、熱交換器二次側の空間を広げ、送風抵抗を低減し、送風機動力・騒音の低減効果を得る。   According to the present invention, the surrounding space can be utilized by reviewing the fixing method of the hanging bracket. This makes it possible to suppress protrusion of the drain water pump or the like into the indoor unit, widen the space on the secondary side of the heat exchanger, reduce blowing resistance, and obtain the effect of reducing blower power and noise.

本発明の実施例１に係る具体的な取り付け構造を示す図。The figure which shows the specific attachment structure which concerns on Example 1 of this invention. 実施例１の取り付け状態を示した図。The figure which showed the attachment state of Example 1. FIG. 本発明の実施例２に係る具体的な取り付け構造を示す図。The figure which shows the specific attachment structure which concerns on Example 2 of this invention. 実施例２の取り付け状態を示した図。The figure which showed the attachment state of Example 2. FIG. 本発明の実施例３に係る具体的な取り付け構造を示す図。The figure which shows the specific attachment structure which concerns on Example 3 of this invention. 実施例３の取り付け状態を示した図。The figure which showed the attachment state of Example 3. FIG. 本発明の実施例４に係る具体的な取り付け構造を示す図。The figure which shows the specific attachment structure which concerns on Example 4 of this invention. 実施例４の取り付け手順を示した図。The figure which showed the attachment procedure of Example 4. FIG. 本発明が適用可能な従来の天井カセット型室内機の外観構成を示す図。The figure which shows the external appearance structure of the conventional ceiling cassette type indoor unit which can apply this invention. 図９の天井カセット型室内機筐体１の吊支持構造を示す図。The figure which shows the suspension support structure of the ceiling cassette type indoor unit housing | casing 1 of FIG. 図１０の吊ボルト６と吊金具５の固定手法の具体的な一例を示す図。The figure which shows a specific example of the fixing method of the suspension bolt 6 and the suspension metal fitting 5 of FIG. 図１０の天井ボード開口部と室内機筐体の位置関係を説明する図。The figure explaining the positional relationship of the ceiling board opening part of FIG. 10, and an indoor unit housing | casing. 従来の天井カセット型室内機の内部構造を示す図。The figure which shows the internal structure of the conventional ceiling cassette type indoor unit. 本発明の天井カセット型室内機の内部構造を示す図。The figure which shows the internal structure of the ceiling cassette type indoor unit of this invention.

本発明の実施例について以下、図面を用いて説明する。   Embodiments of the present invention will be described below with reference to the drawings.

本発明の空調機は、空気吹出し口を複数有する天井カセット型室内機において送風抵抗・動力・騒音低減に有利な効果を奏するものである。本発明を明確にする為、最初に従来型の空気吹出し口を複数有する天井カセット型室内機の基本配置と取り付け手法を図９から図１３を用いて説明する。その後実施例１について図１、図２を参照して説明する。   The air conditioner of the present invention is advantageous in reducing air blowing resistance, power, and noise in a ceiling cassette type indoor unit having a plurality of air outlets. In order to clarify the present invention, first, the basic arrangement and mounting method of a ceiling cassette type indoor unit having a plurality of conventional air outlets will be described with reference to FIGS. Thereafter, Example 1 will be described with reference to FIGS.

図９に、本発明が適用可能な従来の天井カセット型室内機の外観構成を示している。図９によれば、天井カセット型室内機１００は大別すると正方形の角部を切り落とした略８角形の筐体１と略四角形の化粧パネル２からなる。化粧パネル２は、化粧パネル２側の略中央に空気吸い込み口３を持ち、略四角形の周囲４辺に複数の空気吹き出し口４を持つ。   FIG. 9 shows an external configuration of a conventional ceiling cassette type indoor unit to which the present invention is applicable. According to FIG. 9, the ceiling cassette type indoor unit 100 is roughly composed of a substantially octagonal casing 1 and a substantially rectangular decorative panel 2 with square corners cut off. The decorative panel 2 has an air suction port 3 in the approximate center on the decorative panel 2 side, and has a plurality of air blowing ports 4 on the four sides of a substantially rectangular shape.

筐体１の吊支持構造としては、図１０の天井カセット型室内機筐体１の吊支持構造を示す図に示すように筐体１の角部に吊金具５を固定配置し、天井裏より吊り下げた吊ボルト６を吊金具５に形成された孔部に嵌合してボルトを締結することで支持している。   As the suspension support structure of the casing 1, as shown in the figure showing the suspension support structure of the ceiling cassette type indoor unit casing 1 in FIG. The suspended suspension bolt 6 is supported by fitting it into a hole formed in the suspension fitting 5 and fastening the bolt.

従来の吊ボルト６と吊金具５の固定手法の具体的な一例としては、図１１に示すように、天井裏７より吊り下げられた吊ボルト６に対し、下側の第一のナット８と上側の第二のナット９を適当な間隙Ｈになるよう設定した後、筐体１を天井ボード１０に設けた開口部より持ち上げ、筐体１の角部に設置された吊金具５を下側の第一のナット８に係止させる。この際、吊金具５には吊ボルト６を筐体１の側面方向より差し込めるよう、略Ｕの字状に切り欠いてあり係止は容易である。   As a specific example of the conventional method for fixing the suspension bolt 6 and the suspension bracket 5, as shown in FIG. 11, the lower first nut 8 and the suspension bolt 6 suspended from the ceiling 7 are used. After setting the upper second nut 9 to have an appropriate gap H, the housing 1 is lifted from the opening provided in the ceiling board 10, and the hanging metal fitting 5 installed at the corner of the housing 1 is placed on the lower side. The first nut 8 is locked. At this time, the suspension bolt 5 is notched in a substantially U shape so that the suspension bolt 6 can be inserted from the side surface direction of the housing 1 and is easily locked.

吊金具５を下側の第一のナット８に係止させた後、筐体１の下部に取り付ける化粧パネルが天井ボード１０に密着するよう、下側の第一のナット８と上側の第二のナット９を回し筐体１の吊高さを調整し、両方のナット８，９を締め付け吊金具５と固定する。   After the hanging metal fitting 5 is locked to the lower first nut 8, the lower first nut 8 and the upper second nut are attached so that the decorative panel attached to the lower portion of the housing 1 is in close contact with the ceiling board 10. The nut 9 is turned to adjust the suspension height of the housing 1, and both the nuts 8 and 9 are fixed to the fastening bracket 5.

この施工作業の際、下側の第一のナット８は天井ボード１０側に近く比較的締め付けが容易であるが、上側の第二のナット９は吊金具５を挟んでさらに奥側となる為、作業性の配慮が必要である。よって筐体１の角部は、図１２の天井ボード開口部と室内機筐体の位置関係を説明する図に示すように天井ボード開口部１１に対し吊金具５周辺の作業スペースが確保できるよう、斜めに切り落されるなどしている。   At the time of this construction work, the lower first nut 8 is close to the ceiling board 10 side and can be relatively easily tightened, but the upper second nut 9 is further on the back side with the hanging bracket 5 interposed therebetween. Consideration of workability is necessary. Therefore, the corner portion of the housing 1 can secure a working space around the hanging bracket 5 with respect to the ceiling board opening portion 11 as shown in the drawing explaining the positional relationship between the ceiling board opening portion and the indoor unit housing in FIG. It is cut off diagonally.

これにより従来の天井カセット型室内機の内部構造は、化粧パネル側から見ると図１３に示す構造となっている。図１３の内部構造によれば、略中央に送風機１２が設置され、その外周に熱交換器１３を配置し、室内空気を中央から吸い込み、熱交換した後、化粧パネル周辺部より吹き出す構造となっている。熱交換器通過後の空気流れを極力阻害しないよう室内機角部に配置されている。図の例では、ドレン水ポンプ１４は左上の角部、外気風道１５は右上の角部、冷媒液配管１６、冷媒ガス配管１７や冷媒制御機器を配した機械室は左下の室内機角部に配置されている。   As a result, the internal structure of the conventional ceiling cassette type indoor unit is as shown in FIG. 13 when viewed from the decorative panel side. According to the internal structure of FIG. 13, the blower 12 is installed substantially in the center, the heat exchanger 13 is arranged on the outer periphery thereof, indoor air is sucked from the center, heat exchange is performed, and then blown out from the periphery of the decorative panel. ing. It is arranged at the corner of the indoor unit so as not to obstruct the air flow after passing through the heat exchanger as much as possible. In the example of the figure, the drain water pump 14 is the upper left corner, the outside air duct 15 is the upper right corner, the machine room where the refrigerant liquid pipe 16, the refrigerant gas pipe 17 and the refrigerant control device are arranged is the lower left indoor unit corner. Is arranged.

しかしながら、前述の吊金具５周辺での作業性に配慮し、筐体角部スペースが有効に活用されていない。このためドレン水ポンプ１４の周囲壁と外気風道１５の周囲壁間の幅Ｌ１（上辺）、ドレン水ポンプ１４と機械室周囲壁との距離Ｌ２（左辺）が狭くなり、通風抵抗を大きくするため送風機回転数も高く設定する必要が生じ、送風機動力も大きくなり、また送風機騒音も大きくなる。   However, in consideration of the workability around the above-described suspension fitting 5, the corner space of the casing is not effectively utilized. For this reason, the width L1 (upper side) between the peripheral wall of the drain water pump 14 and the peripheral wall of the outside air duct 15 and the distance L2 (left side) between the drain water pump 14 and the peripheral wall of the machine room are reduced, and the ventilation resistance is increased. Therefore, it is necessary to set the fan rotation speed high, the fan power increases, and the fan noise increases.

よって図１４のようにドレン水ポンプ１４、外気風道１５部分を従来より外側に配して、吊金具５付近の筐体角部切り欠きを極小化できれば、図１３に示したＬ１やＬ２の幅がそれぞれＬ１２、Ｌ２２となり、図１４のほうが熱交換器通過後の空気通路スペースを広くし、通風抵抗の削減の効果を得ることが出来る。   Therefore, as shown in FIG. 14, if the drain water pump 14 and the outside air wind passage 15 are arranged outside the conventional one and the housing corner cutout near the hanging bracket 5 can be minimized, the L1 and L2 shown in FIG. The widths are L12 and L22, respectively, and the air passage space after passing through the heat exchanger becomes wider in FIG. 14 and the effect of reducing the ventilation resistance can be obtained.

このため筐体据付姿勢にて、吊金具５と吊ボルト６の固定が下側からのみの作業で行えることが重要となる。本発明では、室内機角部周辺スペースをより活用しつつ、吊ボルトでの室内機固定できる構造とした。   Therefore, it is important that the hanging bracket 5 and the hanging bolt 6 can be fixed only from the lower side in the housing installation posture. In this invention, it was set as the structure which can fix an indoor unit with a suspending bolt, utilizing the space around an indoor unit corner part more.

本発明の実施例１に係る具体的な取り付け構造を、図１、図２を用いて説明する。図１は吊ボルト６と吊金具の固定方法と構成部品を示す図である。従来は吊ボルト６と吊金具５の固定は、図１１に示すように下部に設置した第一のナット８と上部に設置された第二のナット９を用いていたが、吊金具５の周辺スペースを減らした場合、上側の第二のナット９の作業性が悪いため、図１では第二のナット９を用いていない。つまり、下側のナットあるいは下側からの作業のみで、従来の取り付けにより実現していた荷重支持と回り止め防止の機能を実現している。   A specific mounting structure according to the first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a view showing a fixing method and components of a suspension bolt 6 and a suspension metal fitting. Conventionally, the suspension bolt 6 and the suspension fitting 5 are fixed using the first nut 8 installed at the lower portion and the second nut 9 installed at the upper portion as shown in FIG. When the space is reduced, the workability of the upper second nut 9 is poor, and therefore the second nut 9 is not used in FIG. That is, only the work from the lower nut or the lower side realizes the load support and anti-rotation functions realized by conventional mounting.

実施例１に係る取り付けで使用する固定用の部材は、吊ボルト６と、吊ボルト６に予め装着された第一のナット８（従来における下部に設置したナット）と、ねじ加工された複数の孔３０とＵ字状の開口部３１を備え室内機筐体１の４つの角部に固定配置された吊金具５と、複数のねじ２０と、複数のねじ２０の複数の貫通孔３２を備えた押さえ板１９などである。またこれらの部材は、上部から吊金具５、第一のナット８、押さえ板１９、ねじ２０の順に配置される。またねじ２０は、押さえ板１９の貫通孔３２から、吊金具５のねじ加工された孔３０に向けて取り付けられる。なお吊金具５は比較的薄い（通常は１．２乃至１．６ミリ程度）板材であるが、ねじ加工することは可能である。   The fixing member used in the attachment according to the first embodiment includes a suspension bolt 6, a first nut 8 (a nut installed in a conventional lower portion) mounted in advance on the suspension bolt 6, and a plurality of screws. A suspension fitting 5 provided with a hole 30 and a U-shaped opening 31 and fixedly disposed at four corners of the indoor unit housing 1, a plurality of screws 20, and a plurality of through holes 32 of the plurality of screws 20 are provided. The holding plate 19 or the like. Further, these members are arranged in the order of the hanging metal fitting 5, the first nut 8, the pressing plate 19, and the screw 20 from the top. The screw 20 is attached from the through hole 32 of the holding plate 19 toward the screwed hole 30 of the hanging bracket 5. The hanging bracket 5 is a relatively thin plate (usually about 1.2 to 1.6 mm), but can be threaded.

本発明の実施例１では、以上の取り付け部材を用いて以下のように取り付け作業が実施される。まず吊ボルト６の下側に第一のナット８を取り付け、そこに室内機筐体１と接合した吊金具５をＵ字状の開口部３１により係止させる。係止させた後、第一のナット８にて室内機１の吊位置を調整する。   In Embodiment 1 of the present invention, the mounting operation is performed as follows using the above mounting members. First, the first nut 8 is attached to the lower side of the suspension bolt 6, and the suspension fitting 5 joined to the indoor unit housing 1 is locked there by the U-shaped opening 31. After the locking, the hanging position of the indoor unit 1 is adjusted with the first nut 8.

このままでは、第一のナット８は吊金具５に対し回転の自由度を有するため、運転時の振動などで徐々に緩みを生ずる虞がある。そこでさらに、ねじ２０を押さえ板１９の貫通孔３２から、吊金具５のねじ加工された孔３０に向けて取り付ける。これにより、第一のナット８と吊金具５は押さえ板１９とねじ２０にて締結され、第一のナット８と吊金具５は固定される。吊金具５は室内機筐体１に複数個取り付けられているので、吊ボルト６に対する回転の自由度を無くしている。   In this state, the first nut 8 has a degree of freedom of rotation with respect to the hanging bracket 5, so that there is a possibility that the first nut 8 may gradually loosen due to vibration during operation. Therefore, the screw 20 is further attached from the through hole 32 of the holding plate 19 toward the screwed hole 30 of the hanging bracket 5. Thereby, the 1st nut 8 and the hanging metal fitting 5 are fastened by the press board 19 and the screw | thread 20, and the 1st nut 8 and the hanging metal fitting 5 are fixed. Since a plurality of the suspension fittings 5 are attached to the indoor unit housing 1, the degree of freedom of rotation with respect to the suspension bolt 6 is eliminated.

この構造によれば、第一のナット８により室内機荷重を支持し、複数のねじ２０により回り止め防止の機能を実現している。   According to this structure, the load of the indoor unit is supported by the first nut 8, and the function of preventing rotation is realized by the plurality of screws 20.

これにより図２で示すように天井裏７から吊り下げられた吊ボルト６と筐体１に取り付けられた吊金具５の固定は、吊金具５の下部に取り付けられた、第一のナット８と押さえ板１９とねじ２０により固定することが出来、据付施工時に吊金具５と天井裏７の間では、ボルトやねじの締結作業を行う必要がない。このため、下側からこの空間へ工具などを入れるスペースを考慮する必要を排除でき、図１４に示すドレン水ポンプ１４周辺の構造を実施することが出来、室内機角部スペースをより活用して機能部品を配置でき、熱交換器通過後の空気通風スペースを広げ、通風抵抗削減、送風機動力低減、送風機騒音低減に効果を得る事ができる。   Thus, as shown in FIG. 2, the suspension bolt 6 suspended from the ceiling 7 and the suspension fitting 5 attached to the housing 1 are fixed to the first nut 8 attached to the lower portion of the suspension fitting 5. It can be fixed by the press plate 19 and the screw 20, and it is not necessary to perform a bolt or screw fastening operation between the hanger 5 and the ceiling 7 at the time of installation. For this reason, it is possible to eliminate the need to consider the space for inserting tools and the like from the lower side into the space, the structure around the drain water pump 14 shown in FIG. 14 can be implemented, and the indoor unit corner space can be further utilized. Functional parts can be arranged, and the air ventilation space after passing through the heat exchanger can be widened, and the effect of reducing ventilation resistance, blower power, and blower noise can be obtained.

実施例１は、送風機を筐体略中央に配し、その周囲に熱交換器と複数の空気吹き出し口を有し、天井に埋め込みもしくは、天井より吊り下げる空気調和装置室内機であって、略四角形状の筐体の角部に開口部を有する吊金具を配置し、天井裏より吊り下げた吊ボルトに吊り金具を固定するに際し、吊り金具の開口部に吊ボルトを位置づけて吊り金具の下部にナットを配して筐体の高さ位置調整し、ナットの回り止め防止部材によりナットの回転を防止するものであって、回り止め防止部材は、ナット下部に配置された押さえ板と、押さえ板と吊り金具の間を締結する締結手段を含むものである。   Example 1 is an air conditioner indoor unit in which an air blower is arranged in the approximate center of a housing, has a heat exchanger and a plurality of air outlets around it, and is embedded in the ceiling or suspended from the ceiling. When hanging brackets with openings are arranged at the corners of a rectangular housing and the hanging brackets are fixed to the hanging bolts suspended from the back of the ceiling, the suspension bolts are positioned in the openings of the hanging brackets and the bottom of the hanging brackets. The nut is arranged to adjust the height position of the housing, and the nut rotation prevention member prevents rotation of the nut. The rotation prevention member is composed of a press plate disposed at the bottom of the nut and a presser. It includes fastening means for fastening between the plate and the hanging bracket.

実施例２に係る具体的な取り付け構造について図３、図４を用いて説明する。実施例２は、実施例１の図１で示される第一のナット８と押さえ板１９を一体化した押さえ板付ナット２１としたものである。   A specific mounting structure according to the second embodiment will be described with reference to FIGS. The second embodiment is a nut 21 with a pressing plate in which the first nut 8 and the pressing plate 19 shown in FIG.

実施例２に係る取り付けで使用する固定用の部材は、吊ボルト６と、吊ボルト６に予め装着された押さえ板付ナット２１と、ねじ加工された複数の孔３０とＵ字状の開口部３１を備え室内機筐体１の４つの角部に固定配置された吊金具５と、複数のねじ２０などである。またこれらの部材は、上部から吊金具５、押さえ板付ナット２１、ねじ２０の順に配置される。   The fixing member used in the attachment according to the second embodiment includes the suspension bolt 6, a nut 21 with a retaining plate that is mounted in advance on the suspension bolt 6, a plurality of holes 30 that are threaded, and a U-shaped opening 31. And the hanging metal fitting 5 fixedly arranged at four corners of the indoor unit housing 1 and a plurality of screws 20. Moreover, these members are arrange | positioned in order of the hanging bracket 5, the nut 21 with a presser plate, and the screw 20 from the upper part.

図３において吊金具５の構成が明確に示されていないが、これは図1に示したものと同じ部材であり、ねじ加工された複数の孔３０とＵ字状の開口部３１を備え室内機筐体１の４つの角部に固定配置されたものである。   Although the structure of the hanging bracket 5 is not clearly shown in FIG. 3, this is the same member as that shown in FIG. 1, and includes a plurality of threaded holes 30 and a U-shaped opening 31. These are fixedly arranged at the four corners of the machine casing 1.

押さえ板付ナット２１は、第一のナット８に相当するナット部２１Aと,押さえ板１９に相当する板部２１Ｂと、板部２１Ｂに形成した複数の貫通孔２１Ｃで構成されている。この押さえ板付ナット２１は、ナットを回転させるためスパナやソケットレンチと勘合する面を有し、且つ吊金具５と締結させるためのねじ通し穴２１Ｃを有する。このねじ通し穴２１Ｃは、押さえ板付ナット２１の回転位置の調整を容易とするため、長穴加工とすると良い。また長穴とせずに、一定角度毎ずらした通し穴を設けても良い。   The nut 21 with a pressing plate includes a nut portion 21A corresponding to the first nut 8, a plate portion 21B corresponding to the pressing plate 19, and a plurality of through holes 21C formed in the plate portion 21B. The nut 21 with a presser plate has a surface that engages with a spanner or a socket wrench to rotate the nut, and has a threaded hole 21 </ b> C for fastening with the hanging bracket 5. The screw through hole 21 </ b> C may be formed into a long hole in order to facilitate adjustment of the rotational position of the nut 21 with presser plate. Moreover, you may provide the through-hole shifted for every fixed angle instead of making it a long hole.

ねじ２０は、板部２１Ｂに形成した複数の貫通孔２１Ｃから、吊金具５のねじ加工された孔３０に向けて取り付けられる。なお吊金具５は比較的薄い（通常は１．２乃至１．６ミリ程度）板材であるが、ねじ加工することは可能である。   The screw 20 is attached from the plurality of through-holes 21C formed in the plate portion 21B toward the screw-processed hole 30 of the hanging bracket 5. The hanging bracket 5 is a relatively thin plate (usually about 1.2 to 1.6 mm), but can be threaded.

本発明の実施例１では、以上の取り付け部材を用いて以下のように取り付け作業が実施される。まず吊ボルト６の下側に押さえ板付ナット２１を板部２１Ｂが上側になるように取り付けておき、そこに室内機筐体１と接合した吊金具５をＵ字状の開口部３１により係止させる。係止させた後、押さえ板付ナット２１を回転させながら室内機１の吊位置を調整する。   In Embodiment 1 of the present invention, the mounting operation is performed as follows using the above mounting members. First, a nut 21 with a holding plate is attached to the lower side of the suspension bolt 6 so that the plate portion 21B is on the upper side, and the suspension fitting 5 joined to the indoor unit housing 1 is locked there by a U-shaped opening 31. Let After the locking, the hanging position of the indoor unit 1 is adjusted while rotating the nut 21 with the holding plate.

このままでは、押さえ板付ナット２１は吊金具５に対し回転の自由度を有するため、運転時の振動などで徐々に緩みを生ずる虞がある。そこでさらに、ねじ２０を押さえ板付ナット２１の板部２１Ｂに形成した複数の貫通孔２１Ｃから、吊金具５のねじ加工された孔３０に向けて取り付ける。これにより、押さえ板付ナット２１と吊金具５は板部２１Ｂとねじ２０にて締結され、押さえ板付ナット２１と吊金具５は固定される。吊金具５は室内機筐体１に複数個取り付けられているので、吊ボルト６に対する回転の自由度を無くしている。   If this is the case, the holding plate-equipped nut 21 has a degree of freedom of rotation with respect to the hanging bracket 5, so there is a risk that it will gradually loosen due to vibration during operation or the like. Therefore, the screws 20 are further attached from the plurality of through holes 21 </ b> C formed in the plate portion 21 </ b> B of the nut 21 with holding plate toward the holes 30 in which the suspension fitting 5 is threaded. Thereby, the nut 21 with a holding plate and the hanging metal fitting 5 are fastened by the plate part 21B and the screw 20, and the nut 21 with a holding plate and the hanging metal fitting 5 are fixed. Since a plurality of the suspension fittings 5 are attached to the indoor unit housing 1, the degree of freedom of rotation with respect to the suspension bolt 6 is eliminated.

この構造によれば、押さえ板付ナット２１により室内機荷重を支持し、複数のねじ２０により回り止め防止の機能を実現している。押さえ板付ナット２１を、室内機据付状態の側面から見た図が、図４である。吊金具５の下側の押さえ板付ナット２１の位置を微調整することで、筐体１の吊高さを調整でき、また位置調整後ねじ２０を用いて吊金具５と押さえ板付ナット２１の締結も室内機下面側一方よりできる為、実施例１同様に室内機角部スペースを有効に活用でき同じ効果を得る。   According to this structure, the load on the indoor unit is supported by the nut 21 with the holding plate, and the function of preventing rotation is realized by the plurality of screws 20. FIG. 4 is a view of the nut 21 with a pressing plate as viewed from the side in the indoor unit installation state. By finely adjusting the position of the nut 21 with the holding plate on the lower side of the hanging bracket 5, the hanging height of the housing 1 can be adjusted, and the fastening bracket 5 and the nut 21 with the pressing plate are fastened using the post-position adjustment screw 20. Since it can be made from one side of the lower surface of the indoor unit, the indoor unit corner space can be used effectively as in the first embodiment, and the same effect is obtained.

これにより図４で示すように天井裏７から吊り下げられた吊ボルト６と筐体１に取り付けられた吊金具５の固定は、吊金具５の下部に取り付けられた、押さえ板付ナット２１とねじ２０により固定することが出来、据付施工時に吊金具５と天井裏７の間では、ボルトやねじの締結作業を行う必要がない。このため、下側からこの空間へ工具などを入れるスペースを考慮する必要を排除でき、図１４に示すドレン水ポンプ１４周辺の構造を実施することが出来、室内機角部スペースをより活用して機能部品を配置でき、熱交換器通過後の空気通風スペースを広げ、通風抵抗削減、送風機動力低減、送風機騒音低減に効果を得る事ができる。   As a result, as shown in FIG. 4, the suspension bolt 6 suspended from the ceiling 7 and the suspension bracket 5 attached to the housing 1 are fixed to the bottom portion of the suspension bracket 5 with the nut 21 with the holding plate and the screw. 20, and it is not necessary to perform fastening work of bolts and screws between the hanging bracket 5 and the ceiling back 7 during installation. For this reason, it is possible to eliminate the need to consider the space for inserting tools and the like from the lower side into the space, the structure around the drain water pump 14 shown in FIG. 14 can be implemented, and the indoor unit corner space can be further utilized. Functional parts can be arranged, and the air ventilation space after passing through the heat exchanger can be widened, and the effect of reducing ventilation resistance, blower power, and blower noise can be obtained.

また実施例2によれば、取り付けの部品点数が少なくて済むという効果がある。   Further, according to the second embodiment, there is an effect that the number of parts to be attached is small.

実施例３について図5、図6を用いて説明する。実施例３は、実施例１の図１の変形である。   A third embodiment will be described with reference to FIGS. The third embodiment is a modification of the first embodiment shown in FIG.

実施例３に係る取り付けで使用する固定用の部材は、吊ボルト６と、吊ボルト６に予め装着された第一のナット８（従来における下部に設置したナット）と、ねじ加工された複数の孔３０とＵ字状の開口部３１を備え室内機筐体１の４つの角部に固定配置された吊金具５と、複数のねじ２０と、複数のねじ２０の複数の貫通孔３２と中心部のナット回転防止用孔３２を備えた回り止め部材２２aなどである。またこれらの部材は、上部から吊金具５、第一のナット８、回り止め部材２２a、ねじ２０の順に配置される。またねじ２０は、回り止め部材２２aの貫通孔３２から、吊金具５のねじ加工された孔３０に向けて取り付けられる。さらに、回り止め部材２２aの中心部のナット回転防止用孔３２の形状は第一のナット８の外形形状とほぼ同じとされている。これにより回り止め部材２２aの中心部のナット回転防止用孔３２が第一のナット８の外形に沿って取り付けられ、ねじ２０が締め付けられた状態では第一のナット８の回転が阻止されることになる。   The fixing member used in the attachment according to the third embodiment includes a suspension bolt 6, a first nut 8 (a nut installed in a conventional lower portion) mounted in advance on the suspension bolt 6, and a plurality of screw-processed members. A suspension fitting 5 having a hole 30 and a U-shaped opening 31 and fixedly disposed at four corners of the indoor unit housing 1, a plurality of screws 20, a plurality of through holes 32 of the plurality of screws 20, and the center And a non-rotating member 22a provided with a nut rotation preventing hole 32 in the part. Further, these members are arranged in the order of the hanging metal fitting 5, the first nut 8, the anti-rotation member 22 a, and the screw 20 from the top. The screw 20 is attached from the through hole 32 of the anti-rotation member 22a toward the threaded hole 30 of the suspension fitting 5. Further, the shape of the nut rotation preventing hole 32 at the center of the rotation preventing member 22 a is substantially the same as the outer shape of the first nut 8. As a result, the nut rotation prevention hole 32 at the center of the rotation preventing member 22a is attached along the outer shape of the first nut 8, and the rotation of the first nut 8 is prevented when the screw 20 is tightened. become.

実施例３において、金具５の下側に第一のナット８を取り付け係止するのは実施例１と同様である。第一のナット８の位置調整後、ナットの回転を防止するため、回り止め部材２２ａを取り付ける。回り止め部材２２ａは、ナット外周で押さえ回転を防止する。   In the third embodiment, the first nut 8 is attached and locked to the lower side of the metal fitting 5 as in the first embodiment. After the position of the first nut 8 is adjusted, a rotation preventing member 22a is attached to prevent the nut from rotating. The anti-rotation member 22a prevents pressing rotation on the outer periphery of the nut.

部品を組み付けた状態を図６に示す。このままでは、室内機は吊ボルト６の上方向への自由度があるように見えるが、室内機筐体は化粧パネルを取り付けることで、天井ボードと化粧パネルが密着し上方向の自由度を無くするため固定できる。また天井ボードがない状態で、室内機を吊り下げる場合は、回り止め部材２２ａの外周方向から第一のナット８を締結できるよう、図示しない止めねじを取り付けることで固定できる。これにより実施例１同様の効果を得る。   FIG. 6 shows a state where the parts are assembled. In this state, the indoor unit seems to have a degree of freedom in the upward direction of the suspension bolt 6, but the ceiling of the indoor unit case is attached to the ceiling of the indoor unit case so that the degree of freedom in the upward direction is eliminated. Can be fixed. When the indoor unit is suspended without the ceiling board, the indoor unit can be fixed by attaching a set screw (not shown) so that the first nut 8 can be fastened from the outer peripheral direction of the rotation preventing member 22a. As a result, the same effect as in the first embodiment is obtained.

実施例４について図7、図８を用いて説明する。実施例４は、従来の空調機の図６で示される第２のナット９の機能を他の部品に置き換えつつ、据付状態にて吊金具５より上部での締結部品の締め付け作業を不要とするものである。   Example 4 will be described with reference to FIGS. In the fourth embodiment, the function of the second nut 9 shown in FIG. 6 of the conventional air conditioner is replaced with another part, and the tightening work of the fastening part above the hanging bracket 5 in the installed state is unnecessary. Is.

図７に部品構成を示すように、吊金具５の下部に第一のナット８があり、この回転を抑制する回り止め部材２２ｂが第一のナット８の下側にあり、また吊金具５を挟んで上側に配置される締結部材２３を有する。この締結部材２３には略Ｕ字型の切り欠き部があり、略Ｕ字部の半円部分はめねじ加工部２４を有する。回り止め部材２２ｂと締結部材２３は吊金具５を挟んでねじ２０で固定できる構造とするが、ねじ２０を緩めると吊金具５上をスライドできる構造とする。   As shown in FIG. 7, the first nut 8 is provided at the lower portion of the hanging bracket 5, and a rotation preventing member 22 b for suppressing this rotation is located below the first nut 8. It has the fastening member 23 arrange | positioned on both sides on both sides. The fastening member 23 has a substantially U-shaped notch, and a semicircular portion of the substantially U-shaped portion has a female threaded portion 24. The anti-rotation member 22b and the fastening member 23 have a structure that can be fixed with the screw 20 with the hanging bracket 5 interposed therebetween, but a structure that can slide on the hanging bracket 5 when the screw 20 is loosened.

この構造での吊金具５の固定方法を図８に示す。上から順を追って説明する。最初に(a)に示すように、吊ボルト６におおよその位置で第一のナット８を取り付け、吊金具５上に回り止め部材２２ｂと締結部材２３を取り付けておく。但し回り止め部材２２ｂと締結部材２３は、吊金具５を吊ボルト６に差し込む方向と反対側にて仮固定しておく。次に(ｂ)に示すように、この状態にて吊金具５を吊ボルト６に差込み、第一のナット８にて吊金具５を係止する。吊高さの微調整を第一のナット８にて実施の後、(ｃ)に示すように、回り止め部材２２ｂと締結部材２３の固定ねじ２０を緩め、回り止め部材２２ｂと締結部材２３を吊ボルト６側へスライドさせ、その後(ｄ)に示すように、回り止め部材２２ｂが第一のナット８を保持し、締結部材２３のめねじ加工部が吊ボルト６のねじ部と嵌合する位置にて固定し、ねじ２０を締め込む。   FIG. 8 shows a method of fixing the hanging metal fitting 5 in this structure. This will be explained in order from the top. First, as shown in (a), the first nut 8 is attached to the suspension bolt 6 at an approximate position, and the anti-rotation member 22b and the fastening member 23 are attached on the suspension fitting 5. However, the anti-rotation member 22b and the fastening member 23 are temporarily fixed on the opposite side to the direction in which the suspension metal fitting 5 is inserted into the suspension bolt 6. Next, as shown in (b), the suspension fitting 5 is inserted into the suspension bolt 6 in this state, and the suspension fitting 5 is locked by the first nut 8. After the fine adjustment of the suspension height is performed with the first nut 8, as shown in (c), the fixing screw 20 of the locking member 22b and the fastening member 23 is loosened, and the locking member 22b and the fastening member 23 are moved. After sliding to the suspension bolt 6 side, as shown in (d), the anti-rotation member 22b holds the first nut 8 and the female thread processed portion of the fastening member 23 is fitted with the thread portion of the suspension bolt 6. Fix in place and tighten the screw 20.

これにより吊金具５と吊ボルト６は締結される。また吊金具５より上部での工具作業が必要なくなり、実施例１と同様の効果を得ることができる。   Thereby, the suspension metal fitting 5 and the suspension bolt 6 are fastened. Moreover, the tool work in the upper part than the hanging metal fitting 5 becomes unnecessary, and the same effect as Example 1 can be acquired.

１：室内機筐体
２：化粧パネル
３：空気吸い込み口
４：空気吹き出し口
５：吊り金具
６：吊ボルト
７：天井裏
８：第１のナット
９：第２のナット
１０：天井ボード
１１：天井ボード開口部
１２：送風機
１３：熱交換器
１４：ドレン水ポンプ
１５：外気風道
１６：液側冷媒配管
１７：ガス側冷媒配管
１８：外周壁
１９：押さえ板
２０：ねじ
２１：ねじ穴つきナット
２２ａ：回り止め
２２ｂ：回り止め
２３：締結部材
２４：めねじ加工部
２５：ばね 1: indoor unit housing 2: decorative panel 3: air suction port 4: air blowout port 5: suspension fitting 6: suspension bolt 7: back of ceiling 8: first nut 9: second nut 10: ceiling board 11: Ceiling board opening 12: Blower 13: Heat exchanger 14: Drain water pump 15: Outside air duct 16: Liquid side refrigerant pipe 17: Gas side refrigerant pipe 18: Outer wall 19: Holding plate 20: Screw 21: With screw hole Nut 22a: Non-rotating 22b: Non-rotating 23: Fastening member 24: Female thread processing portion 25: Spring

Claims (6)

送風機を筐体略中央に配し、その周囲に熱交換器と複数の空気吹き出し口を有し、天井に埋め込みもしくは、天井より吊り下げる空気調和装置室内機であって、
略四角形状の前記筐体の角部に開口部を有する吊金具を配置し、天井裏より吊り下げた吊ボルトに前記吊り金具を固定するに際し、前記吊り金具の開口部に前記吊ボルトを位置づけて前記吊り金具の下部にナットを配して前記筐体の高さ位置調整し、前記ナットの回り止め防止部材により前記ナットの回転を防止することを特徴とする空気調和装置室内機。 An air conditioner indoor unit in which the blower is arranged in the approximate center of the housing, has a heat exchanger and a plurality of air outlets around it, and is embedded in the ceiling or suspended from the ceiling,
When a hanging bracket having an opening is disposed at a corner of the substantially rectangular casing, and the suspension bracket is fixed to a suspension bolt suspended from the ceiling, the suspension bolt is positioned at the opening of the suspension bracket. An air conditioner indoor unit characterized in that a nut is arranged below the suspension fitting to adjust the height position of the housing, and the nut is prevented from rotating by an anti-rotation member of the nut. 請求項１に記載の空気調和装置室内機であって、
前記回り止め防止部材は、ナット下部に配置された押さえ板と、該押さえ板と前記吊り金具の間を締結する締結手段を含むことを特徴とする空気調和装置室内機。 An air conditioner indoor unit according to claim 1,
The air-conditioning apparatus indoor unit, wherein the anti-rotation member includes a pressing plate disposed under the nut and a fastening unit that fastens the pressing plate and the suspension bracket. 請求項２に記載の空気調和装置室内機であって、
ナットと押さえ板が一体に形成されていることを特徴とする空気調和装置室内機。 An air conditioner indoor unit according to claim 2,
An air conditioner indoor unit in which a nut and a holding plate are integrally formed. 請求項２または請求項３に記載の空気調和装置室内機であって、
前記吊り金具と前記押さえ板には、それぞれ複数の孔が形成されており、前記吊り金具と前記押さえ板の孔の間がねじにより締結されていることを特徴とする空気調和装置室内機。 An air conditioner indoor unit according to claim 2 or claim 3,
A plurality of holes are formed in each of the hanging metal fitting and the holding plate, and an air conditioner indoor unit is characterized in that a hole is fastened between the hole of the hanging metal fitting and the holding plate. 請求項１に記載の空気調和装置室内機であって、
前記回り止め防止部材は、ナット下部に配置されてその中心部の孔形状がナット外形形状とほぼ同じにされており、前記吊り金具の間を締結する締結手段を含むことを特徴とする空気調和装置室内機。 An air conditioner indoor unit according to claim 1,
The anti-rotation member is disposed in the lower part of the nut, the hole shape of the center part thereof is substantially the same as the outer shape of the nut, and includes a fastening means for fastening between the suspension fittings. Equipment indoor unit. 請求項１に記載の空気調和装置室内機であって、
吊金具を吊ボルトに取り付けたナットにて係止し、吊金具の上面側にスライド可能な吊ボルトねじ部嵌合部品を有したことを特徴とする空気調和装置室内機。 An air conditioner indoor unit according to claim 1,
An air conditioner indoor unit having a suspension bolt screw part fitting part that is locked with a nut attached to a suspension bolt and slidable on the upper surface side of the suspension bracket.

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