JP5759258B2 - Hot water storage tank unit - Google Patents

Hot water storage tank unit Download PDF

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JP5759258B2
JP5759258B2 JP2011114083A JP2011114083A JP5759258B2 JP 5759258 B2 JP5759258 B2 JP 5759258B2 JP 2011114083 A JP2011114083 A JP 2011114083A JP 2011114083 A JP2011114083 A JP 2011114083A JP 5759258 B2 JP5759258 B2 JP 5759258B2
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hot water
storage tank
water storage
tank unit
legs
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JP2012242023A (en
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一仁 若月
一仁 若月
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Toshiba Carrier Corp
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Description

本発明の実施形態はヒートポンプ給湯機や電気温水器等の貯湯タンクユニットに関する。   Embodiments described herein relate generally to a hot water storage tank unit such as a heat pump water heater or an electric water heater.

一般に、電気温水器は、例えば夜間割引の安価な電力により、貯湯タンク内に配設された電気ヒータを通電加熱することにより貯湯タンク内の貯水を所要温度に加熱し、その温水を貯湯タンク内に貯湯する。   In general, an electric water heater heats the stored water in a hot water tank to a required temperature by energizing and heating an electric heater disposed in the hot water tank, for example, with cheap electricity at night discount, and the hot water is stored in the hot water tank To store hot water.

また、電気ヒータに代えてヒートポンプ(冷凍サイクル)を用いたヒートポンプ給湯機は、例えば夜間割引の安価な電力等により、冷凍サイクルを駆動して貯湯タンク内の貯水を所要温度に加熱し、その温水を貯湯タンク内に貯湯する。   In addition, a heat pump water heater that uses a heat pump (refrigeration cycle) instead of an electric heater drives the refrigeration cycle to heat the stored water in the hot water storage tank to a required temperature by using, for example, cheap electricity at night discount, In the hot water storage tank.

このヒートポンプ給湯機は、冷凍サイクルにより貯水を加熱するので、電気ヒータによる加熱よりもエネルギ効率がよく、電気入力に対する成績係数(COP)は3倍以上確保することが可能であり、ランニングコストの低減を図ることができる。   Since this heat pump water heater heats the stored water by the refrigeration cycle, it is more energy efficient than heating by an electric heater, and it is possible to secure a coefficient of performance (COP) of three times or more for electric input, reducing running costs. Can be achieved.

この種の従来の貯湯タンクでは、円筒状のタンクの底面に3本の支持脚を設け、この支持脚を、コンクリート製等の据付面にアンカーボルト等により固定して据え付けている(特許文献1参照)。   In this type of conventional hot water storage tank, three support legs are provided on the bottom surface of a cylindrical tank, and the support legs are fixed to an installation surface made of concrete or the like with an anchor bolt or the like (Patent Document 1). reference).

特開2009−63277号公報JP 2009-63277 A

しかしながら、上記特許文献1記載の貯湯タンクでは、支持脚が3本であるので、荷扱い時や据付時に自立させたときに、3本の支持脚を結んで形成される三角形のいずれか1辺方向に変位荷重を受けて傾動した場合には、貯湯タンクが重い(例えば満水時で500〜700kg)ので、転倒する虞がある。   However, in the hot water storage tank described in Patent Document 1, since there are three support legs, any one side of a triangle formed by connecting the three support legs when self-supporting during handling or installation. When tilted by receiving a displacement load in the direction, the hot water storage tank is heavy (for example, 500 to 700 kg when full), and may fall over.

本発明は、このような事情を考慮してなされたもので、その目的は、転倒防止を図ることができる貯湯タンクユニットを提供することにある。   The present invention has been made in view of such circumstances, and an object of the present invention is to provide a hot water storage tank unit that can prevent overturning.

本実施形態の貯湯タンクユニットは、筐体と、この筐体内に収納され湯水を貯える貯湯タンクとを備えた貯湯タンクユニットにおいて、一端側が貯湯タンクに固着され、他端が筐体の下面よりも下方に突出する3本の主脚を有する。この3本の主脚の底部には、アンカーボルトのねじ軸部を挿通させる挿通孔が設けられている。 The hot water storage tank unit of the present embodiment is a hot water storage tank unit that includes a housing and a hot water storage tank that is stored in the housing and stores hot water. One end of the hot water storage tank unit is fixed to the hot water storage tank, and the other end is lower than the lower surface of the housing. It has three main legs that protrude downward. An insertion hole for inserting the screw shaft portion of the anchor bolt is provided at the bottom of the three main legs.

また、筐体の下面から下方へ突出する長さが主脚の突出長さよりも小さく形成され、かつ3本の主脚を結んで形成される三角形の外側に位置する補助脚と、を備えている。   And an auxiliary leg that is formed to have a length that protrudes downward from the lower surface of the housing to be smaller than a protruding length of the main leg, and is located outside the triangle formed by connecting the three main legs. Yes.

第1の実施形態に係る貯湯タンクユニットの底面図。The bottom view of the hot water storage tank unit which concerns on 1st Embodiment. 同貯湯タンクユニットの正面図。The front view of the hot water storage tank unit. 同貯湯タンクユニットの底面側を仰視したときの仰視図。The elevation view when the bottom face side of the hot water storage tank unit is looked up. 同貯湯タンクユニットの側面図。The side view of the hot water storage tank unit. 図4のV部拡大図。The V section enlarged view of FIG. 同貯湯タンクユニットの分解斜視図。The exploded perspective view of the hot water storage tank unit. 同貯湯タンクに配設した主脚、補助脚および筐体の底板の斜視図。The perspective view of the main leg arrange | positioned in the hot water storage tank, an auxiliary leg, and the baseplate of a housing | casing. 第2の実施形態に係る貯湯タンクユニットの底面図。The bottom view of the hot water storage tank unit which concerns on 2nd Embodiment. 第3の実施形態に係る貯湯タンクユニットの主脚と補助脚の要部拡大図。The principal part enlarged view of the main leg and auxiliary leg of the hot water storage tank unit which concerns on 3rd Embodiment.

以下、本発明の実施形態を図面に基づいて説明する。なお、複数の図面中、同一または相当部分には同一符号を付している。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, the same code | symbol is attached | subjected to the same or an equivalent part in several drawing.

(第1の実施形態)
図1は、第1の実施形態に係る貯湯タンクユニットの底面図、図2は同貯湯タンクユニットの正面図、図3は同貯湯タンクユニットの底面側を仰視したときの仰視図、図4は同貯湯タンクユニットの側面図、図5は図4のV部拡大図、図6は同貯湯タンクユニットの分解斜視図である。この貯湯タンクユニット1は例えばヒートポンプ給湯機に用いられるものであって、これらの図に示すように貯湯タンクユニット1は、例えば板金製角筒状の筐体2と、この筐体2内に収容されるステンレス等金属製円筒状の貯湯タンク3とを具備している。
(First embodiment)
1 is a bottom view of the hot water storage tank unit according to the first embodiment, FIG. 2 is a front view of the hot water storage tank unit, FIG. 3 is a top view when the bottom surface side of the hot water storage tank unit is looked up, and FIG. 5 is a side view of the hot water storage tank unit, FIG. 5 is an enlarged view of a portion V in FIG. 4, and FIG. 6 is an exploded perspective view of the hot water storage tank unit. The hot water storage tank unit 1 is used, for example, in a heat pump water heater. As shown in these drawings, the hot water storage tank unit 1 is accommodated in, for example, a sheet metal rectangular tube-shaped housing 2 and the housing 2. And a cylindrical hot water storage tank 3 made of metal such as stainless steel.

図6に示すように、筐体2は、板金製の正面板2a、同,左右一対の側板2b,2c、同,背面板2d、同,天板2eおよび底板2fを有する。さらに、正面板2aは上部正面板2a1と下部正面板2a2とに分割されている。左右一対の側板2b,2cは、その図6中、上端と左右両側端に、内方へほぼ直角に折曲形成された取付代Pを形成している。同じく、天板2eの正面側と背面側の外縁部に所要の取付代Rをそれぞれ形成し、これら取付代P,Rには図示省略の複数の取付ねじをねじ込むためのねじ孔をそれぞれ形成している。   As shown in FIG. 6, the housing 2 includes a front plate 2a made of sheet metal, a pair of left and right side plates 2b and 2c, a back plate 2d, a top plate 2e, and a bottom plate 2f. Further, the front plate 2a is divided into an upper front plate 2a1 and a lower front plate 2a2. In FIG. 6, the pair of left and right side plates 2b and 2c form attachment allowances P that are bent substantially inwardly at the upper end and both left and right ends. Similarly, required mounting allowances R are formed on the outer edges of the front and back sides of the top plate 2e, and screw holes for screwing a plurality of mounting screws (not shown) are formed in these mounting allowances P and R, respectively. ing.

一方、図6に示すように、底板2fは、その矩形外周縁部の各辺に、図中上方へ若干立ち上がる矩形環状の側壁2f1を形成しており、この側壁2f1の内側にて、底板2f上に、下部正面板2a2、一対の側板2b,2cおよび背面板2dを角筒状に載置し、一対の側板2b,2cの各取付代Pの複数のねじ孔内に取付ねじをそれぞれねじ込むことにより、まず、上端開口の角筒状に組み付けている。この後、下部正面板2a2の上端上に、上部正面板2a1を載置し、この上部正面板2a1の左右両側面を、左右一対の側板2b,2cの取付代Pの上部側面に密着させ、この取付代Pの複数のねじ孔に取付ねじをねじ込み、組み付けている。こうして角筒状に形成された上面開口端上には天板2eが載置され、天板2eの取付代Rの複数のねじ孔内に取付ねじをそれぞれねじ込み、有蓋有底の角筒状の筐体2を形成する。   On the other hand, as shown in FIG. 6, the bottom plate 2f is formed with a rectangular annular side wall 2f1 that rises slightly upward in the figure on each side of the outer peripheral edge of the rectangle. The lower front plate 2a2, the pair of side plates 2b and 2c, and the back plate 2d are placed in a square tube shape, and the mounting screws are screwed into the plurality of screw holes of the mounting allowances P of the pair of side plates 2b and 2c, respectively. Thus, first, it is assembled into a rectangular tube shape with an upper end opening. Thereafter, the upper front plate 2a1 is placed on the upper end of the lower front plate 2a2, and the left and right side surfaces of the upper front plate 2a1 are brought into close contact with the upper side surface of the mounting margin P of the pair of left and right side plates 2b and 2c. Mounting screws are screwed into the plurality of screw holes of the mounting allowance P and assembled. The top plate 2e is placed on the upper surface opening end thus formed in a rectangular tube shape, and mounting screws are respectively screwed into the plurality of screw holes of the mounting allowance R of the top plate 2e, and a rectangular tube shape with a lid and a bottom is provided. A housing 2 is formed.

貯湯タンク3は、その内部に、例えば水道水等の水が給水され、貯湯タンク3内の水は、貯湯タンクユニット1とは別に設けられた図示しないヒートポンプユニットで加熱される。このヒートポンプユニットで加熱された温水は貯湯タンク3内に貯湯される。貯湯タンク3は、正面板2aの内面に対向する正面側の外面に、水路部品4、電気部品箱5および制御弁等に給電する給電線等の配線を配設している。   The hot water storage tank 3 is supplied with water such as tap water, and the water in the hot water storage tank 3 is heated by a heat pump unit (not shown) provided separately from the hot water storage tank unit 1. Hot water heated by the heat pump unit is stored in the hot water storage tank 3. The hot water storage tank 3 is provided with a wiring such as a power supply line for supplying power to the waterway component 4, the electrical component box 5, the control valve and the like on the outer surface on the front side facing the inner surface of the front plate 2a.

水路部品4は、例えば水道水を貯湯タンク3内に給水する給水管や、貯湯タンク3内の湯水を図示省略の給水端末に給湯する給湯管を含む。電気部品箱5は、通電を制御する図示しない制御装置や操作盤等の電気部品を具備している。   The water channel component 4 includes, for example, a water supply pipe for supplying tap water into the hot water storage tank 3 and a hot water supply pipe for supplying hot water in the hot water storage tank 3 to a water supply terminal (not shown). The electrical component box 5 includes electrical components such as a control device and an operation panel (not shown) that control energization.

このように貯湯タンク3の正面側は、水路部品4や電気部品箱5が配設されているので、その分、正面以外の左右側面側や背面側よりも重くなっている。   Thus, since the water channel component 4 and the electrical component box 5 are disposed on the front side of the hot water storage tank 3, it is heavier than the left and right side surfaces other than the front side and the back side.

そして、図7に示すように貯湯タンク3は、その下部外面に、3本の主脚6,7,8の一端である図中上端と、3本の補助脚9,10,11の一端である図中上端とを、取付部材12,12,…によりそれぞれ固着している。   As shown in FIG. 7, the hot water storage tank 3 is formed on the lower outer surface thereof at the upper end in the figure, which is one end of the three main legs 6, 7, and 8, and one end of the three auxiliary legs 9, 10, 11. The upper end in a certain figure is fixed by attachment members 12, 12,.

主脚6,7,8は、例えば横断面L形の型鋼により形成された上部主脚6a,7a,8aと、これら上部主脚6a,7a,8aと上下方向に重なるように形成され、横断面コ字形で側方の1面が開口した下部主脚6b,7b,8bとを有する。各下部主脚6b,7b,8bは、その開口を正面側に向けて開口させている。   The main legs 6, 7, and 8 are formed so as to overlap with the upper main legs 6a, 7a, and 8a formed of, for example, a steel having an L-shaped cross section, and the upper main legs 6a, 7a, and 8a in the vertical direction. It has a lower main leg 6b, 7b, 8b which is U-shaped and has one side opening. Each lower main leg 6b, 7b, 8b is opened toward the front side.

すなわち、各上部主脚6a,7a,8aは、その一端(図7では上端)を、取付部材12,12,12により貯湯タンク3の下部外周面に固着している。   That is, each upper main leg 6a, 7a, 8a has one end (the upper end in FIG. 7) fixed to the lower outer peripheral surface of the hot water storage tank 3 by the mounting members 12, 12, 12.

各上部主脚6a,7a,8aは、その図中下端に、例えば矩形平板状の取付フランジ13,13,13を溶接等により固着している。各取付フランジ13,13,13は、図示省略の複数の取付ねじにねじ結合されるねじ孔を形成しており、底板2fの内底面(図7では上面)上に載置される。   Each upper main leg 6a, 7a, 8a has, for example, a rectangular flat plate-like mounting flange 13, 13, 13 fixed to the lower end in the figure by welding or the like. Each mounting flange 13, 13, 13 forms a screw hole that is screw-coupled to a plurality of mounting screws (not shown), and is placed on the inner bottom surface (upper surface in FIG. 7) of the bottom plate 2f.

各下部主脚6b,7b,8bは、その上面に、取付ねじの軸部を挿通する複数の挿通孔をそれぞれ形成しており、これら挿通孔に対応する位置にて底板2fにも挿通孔をそれぞれ形成している。   Each lower main leg 6b, 7b, 8b is formed with a plurality of insertion holes through which the shaft portion of the mounting screw is inserted on the upper surface, and the bottom plate 2f is also provided with insertion holes at positions corresponding to these insertion holes. Each is formed.

すなわち、各下部主脚6b,7b,8bの上面の下方側から上面の各挿通孔内に取付ねじの軸部を挿通し、さらに、底板2fの各挿通孔を挿通して取付フランジ13のねじ孔にねじ込むことにより、各上部主脚6a,7a,8aに、各下部主脚6b,7b,8bを一体的に固着している。各下部主脚6b,7b,8bの底面には、固定脚14をそれぞれ配設している。各固定脚14は、その底部に、例えばコンクリート製の据付面に埋設されたアンカーボルトのねじ軸部を挿通させる挿通孔を形成し、このアンカーボルトのねじ軸部に締結ナットを締結することにより、据付面に固定され、据え付けられる。   That is, the shaft portion of the mounting screw is inserted into the insertion hole on the upper surface from the lower side of the upper surface of each lower main leg 6b, 7b, 8b, and further, the screw of the mounting flange 13 is inserted through each insertion hole of the bottom plate 2f. The lower main legs 6b, 7b, 8b are integrally fixed to the upper main legs 6a, 7a, 8a by being screwed into the holes. Fixed legs 14 are disposed on the bottom surfaces of the lower main legs 6b, 7b, 8b, respectively. Each fixed leg 14 is formed with an insertion hole through which a screw shaft portion of an anchor bolt embedded in, for example, a concrete installation surface is inserted, and a fastening nut is fastened to the screw shaft portion of the anchor bolt. , Fixed to the installation surface and installed.

各補助脚9,10,11も、主脚6,7,8と同様に、底板2fよりも図中上側のL形の型鋼よりなり、取付フランジ13を有する上部補助脚9a,10a,11aと、図中下側の横断面コ字形で側方の1面が開口した下部補助脚9b,10b,11bとを有し、図示省略の取付ねじにより一体的に同心状に固着するようになっている。   Similarly to the main legs 6, 7, and 8, the auxiliary legs 9, 10, and 11 are made of L-shaped steel on the upper side of the bottom plate 2f in the drawing, and have the upper auxiliary legs 9a, 10a, and 11a having the mounting flanges 13, respectively. The lower auxiliary legs 9b, 10b, and 11b having a U-shaped cross section on the lower side in the drawing and having one side opened on the side, and are integrally and concentrically fixed by a mounting screw (not shown). Yes.

図1は、これら3本の主脚6,7,8と、3本の補助脚9,10,11との位置関係を示す貯湯タンクユニット1の底面図である。   FIG. 1 is a bottom view of the hot water tank unit 1 showing the positional relationship between the three main legs 6, 7, 8 and the three auxiliary legs 9, 10, 11.

図1に示すように、3本の主脚6,7,8は、その下部主脚6b,7b,8bの底面の中心oa,ob,oc同士を直線により順次結んだときに、三角形tをなすように配置されている。すなわち、3本の主脚6,7,8は、筐体2の正面板2a側の幅方向中部に下部主脚6bの底面中心oaが位置し、下部主脚7b,8bの底面中心ob,ocが背面側2d側の両端側、すなわち、左右一対の側板2b,2c側に位置するように配置されている。この三角形tは、底板2fに垂直方向に投影された貯湯タンク3の外周面をなす円にほぼ内接する三角形であればよく、正三角形でもよい。すなわち、3本の主脚6,7,8は、その下部主脚6b,7b,8bの底面中心oa,ob,ocがこれら底面中心oa,ob,oc同士を直線により結んだときに形成される正三角の各頂点に位置するように配置される。   As shown in FIG. 1, the three main legs 6, 7, and 8 form a triangle t when the centers oa, ob, and oc of the bottom surfaces of the lower main legs 6b, 7b, and 8b are sequentially connected by straight lines. It is arranged to make. That is, the three main legs 6, 7, and 8 have the bottom center oa of the lower main leg 6b positioned at the center in the width direction on the front plate 2a side of the housing 2, and the bottom centers ob of the lower main legs 7b and 8b, It is arranged so that oc is located on both end sides on the back side 2d side, that is, on the pair of left and right side plates 2b and 2c. The triangle t may be a triangle that is substantially inscribed in a circle that forms an outer peripheral surface of the hot water storage tank 3 projected in a direction perpendicular to the bottom plate 2f, and may be a regular triangle. That is, the three main legs 6, 7, 8 are formed when the bottom center oa, ob, oc of the lower main leg 6b, 7b, 8b connects these bottom center oa, ob, oc with a straight line. It is arranged to be located at each vertex of the regular triangle.

そして、3本の補助脚9,10,11は、その各下部補助脚9b,10b,11bの底面中心od,oe,ofが三角形tの外側に位置し、かつ三角形tの各辺a,b,cをそれぞれ2等分し、垂直方向に交差する垂直2等分線d,e,f上に位置するように配設されている。なお、図1中、gは底板2fの強度を補強する補強リブである。また、図1〜図3,図8中、符号15は、貯湯タンクユニット1内の給水管や給湯管等の配管に接続される配管接続部であり、外部の給水管や給湯管等と接続されるようになっている。   The three auxiliary legs 9, 10, 11 have the bottom center od, oe, of of the lower auxiliary legs 9 b, 10 b, 11 b located outside the triangle t and the sides a, b of the triangle t. , C are respectively divided into two equal parts and arranged so as to be positioned on vertical bisectors d, e, f that intersect in the vertical direction. In FIG. 1, g is a reinforcing rib that reinforces the strength of the bottom plate 2f. 1 to 3 and 8, reference numeral 15 denotes a pipe connection portion connected to a pipe such as a water supply pipe or a hot water supply pipe in the hot water storage tank unit 1 and is connected to an external water supply pipe or a hot water supply pipe. It has come to be.

また、図4,図5に示すように、各補助脚9,10,11は、その底板2fよりも下方へ突出する各下部補助脚9b,10b,11bの突出長さを、各下部主脚6b,7b,8bの突出長さよりも所定長α短く形成している。   As shown in FIGS. 4 and 5, each of the auxiliary legs 9, 10, and 11 has a protruding length of each of the lower auxiliary legs 9b, 10b, and 11b protruding downward from the bottom plate 2f. It is formed shorter by a predetermined length α than the protruding length of 6b, 7b, 8b.

したがって、このように構成された貯湯タンクユニット1を、荷扱い時や据付面への据付時等により、自立させたときには、3本の主脚6〜8が自立面や据付面にそれぞれ接面するので、仮に自立面や据付面が傾斜している場合でも自立させることができる。   Therefore, when the hot water storage tank unit 1 configured in this way is made to stand by handling or installing on the installation surface, the three main legs 6 to 8 are in contact with the self-standing surface and the installation surface, respectively. Therefore, even if the self-standing surface or the installation surface is inclined, it can be made self-supporting.

そして、このような貯湯タンクユニット1の自立時に、例えば3本の支持脚6〜8の中間部方向、すなわち、上記三角形tのいずれか1辺方向に変位荷重を受けて貯湯タンクユニット1が万一傾動した場合には、その変位荷重が負荷される側にある補助脚9,10,11の少なくともいずれかが自立面や据付面に接面し、貯湯タンクユニット1を支持するので、その転倒の防止を図ることができる。すなわち、貯湯タンクユニット1の揺れの方向が予測できない地震時における貯湯タンクユニット1の転倒防止を図ることができる。   When such a hot water storage tank unit 1 is self-supported, the hot water storage tank unit 1 receives a displacement load, for example, in the middle part direction of the three support legs 6 to 8, that is, in any one side direction of the triangle t. When tilted, at least one of the auxiliary legs 9, 10, 11 on the side to which the displacement load is applied contacts the self-standing surface or the installation surface and supports the hot water storage tank unit 1. Can be prevented. That is, it is possible to prevent the hot water storage tank unit 1 from falling over during an earthquake in which the direction of shaking of the hot water storage tank unit 1 cannot be predicted.

さらに、各補助脚9,10,11は、その上部補助脚9a,10a,11aの一端(上端)を貯湯タンク3の下部外周面に固着しており、筐体2の底板2fのみに固着されているのではないので、この底板2fおよびこの底板2fに組み付けられている正面板2a、側板2b,2c、背面板2dおよび天板2e等の筐体2の変形の防止または低減を図ることができる。   Further, each auxiliary leg 9, 10, 11 has one end (upper end) of the upper auxiliary leg 9 a, 10 a, 11 a fixed to the lower outer peripheral surface of the hot water storage tank 3, and is fixed only to the bottom plate 2 f of the housing 2. Therefore, it is possible to prevent or reduce deformation of the casing 2 such as the bottom plate 2f and the front plate 2a, the side plates 2b and 2c, the back plate 2d, and the top plate 2e assembled to the bottom plate 2f. it can.

また、各下部補助脚9b,10b,11bの長さは、下部主脚6b,7b,8bの長さよりも短いので、現地での据付作業時の平坦度出しの支障にならない。   Moreover, since the length of each lower auxiliary leg 9b, 10b, 11b is shorter than the length of the lower main legs 6b, 7b, 8b, it does not hinder the flatness at the time of installation work on site.

さらに、貯湯タンクユニット1では、その正面側の底板2fの幅方向中間部に主脚6を配設する一方、背面側の底板2fの幅方向両側には左右の主脚7,8を配設し、これら主脚6〜8同士を結ぶ三角形のほぼ中心に、貯湯タンク3の重心を配置しているので、貯湯タンクユニット1の重心を安定させることができる。これにより、貯湯タンクユニット1の転倒の虞をさらに低減できる。また、筐体2の正面側の底板2fには、その幅方向中間部に配設された主脚6の1本しか設けていないので、筐体2の正面側に設けた配管接続部15に接続される図示省略の配管の引き回しの際に主脚6が干渉するのを低減できる。このために、配管引き回しの作業性の向上を図ることができる。   Further, in the hot water storage tank unit 1, the main legs 6 are arranged at the width direction intermediate part of the bottom plate 2 f on the front side, while the left and right main legs 7 and 8 are arranged on both sides in the width direction of the bottom plate 2 f on the back side. And since the gravity center of the hot water storage tank 3 is arrange | positioned in the approximate center of the triangle which connects these main legs 6-8, the gravity center of the hot water storage tank unit 1 can be stabilized. Thereby, the possibility of the hot water storage tank unit 1 falling down can be further reduced. In addition, since only one of the main legs 6 disposed in the intermediate portion in the width direction is provided on the bottom plate 2f on the front side of the casing 2, the pipe connection portion 15 provided on the front side of the casing 2 is provided with the bottom plate 2f. It is possible to reduce the interference of the main legs 6 when the connected piping (not shown) is routed. For this reason, it is possible to improve the workability of pipe routing.

なお、貯湯タンクユニット1の据付完了後には、補助脚9,10,11の底面と自立面との間にスペーサを介在させる等により、補助脚と自立面間の隙間をなくするようにしてもよく、これによれば、貯湯タンクユニットの自立をさらに安定させることができる。   After the hot water storage tank unit 1 has been installed, the gap between the auxiliary leg and the self-supporting surface may be eliminated by interposing a spacer between the bottom surface of the auxiliary leg 9, 10, 11 and the self-supporting surface. Well, according to this, the independence of the hot water storage tank unit can be further stabilized.

(第2の実施形態)
図8は第2の実施形態に係る貯湯タンクユニット1Aの底面を示す。この図8に示すように貯湯タンクユニット1Aは、上記第1の実施形態に係る貯湯タンクユニット1の背面板2d側に設けた補助脚10を省略した点に主な特徴を有する。
(Second Embodiment)
FIG. 8 shows the bottom surface of the hot water storage tank unit 1A according to the second embodiment. As shown in FIG. 8, the hot water storage tank unit 1A has a main feature in that the auxiliary leg 10 provided on the back plate 2d side of the hot water storage tank unit 1 according to the first embodiment is omitted.

すなわち、貯湯タンクユニット1Aは、図8に示すように、底板2fに垂直方向に投影された貯湯タンク3の外周面をなす円Sに内接する五角形Qの各頂点に、3本の主脚6〜8と2本の補助脚9,11の各底面中心oa,od,ob,oc,ofが一致するように3本の主脚6〜8と、2本の補助脚9,11を配設している。   That is, as shown in FIG. 8, the hot water storage tank unit 1A has three main legs 6 at the apexes of the pentagon Q inscribed in the circle S forming the outer peripheral surface of the hot water storage tank 3 projected in the vertical direction on the bottom plate 2f. ˜8 and the two auxiliary legs 9, 11 are provided with the three main legs 6-8 and the two auxiliary legs 9, 11 so that the bottom centers oa, od, ob, oc, of of each of them coincide with each other. doing.

すなわち、通常、貯湯タンクユニット1Aは、その据付時には、背面板2d側を、家屋の外壁面に接するように配置する場合が多い。この場合は、貯湯タンクユニット1Aが地震等により家屋の外壁面側に傾動しても、その傾動は家屋の外壁面により支持されるので、転倒を防止できるためである。これにより、第1の実施形態の効果に加えて、背面板2d側の補助脚10を削除してコストの低減を図ることができる。   That is, normally, the hot water storage tank unit 1A is often arranged so that the back plate 2d side is in contact with the outer wall surface of the house during installation. In this case, even if the hot water storage tank unit 1A is tilted to the outer wall surface side of the house due to an earthquake or the like, the tilt is supported by the outer wall surface of the house, so that the fall can be prevented. Thereby, in addition to the effect of 1st Embodiment, the auxiliary leg 10 by the side of the backplate 2d can be deleted, and cost reduction can be aimed at.

(第3の実施形態)
図9は第3の実施形態に係る貯湯タンクユニット1Bの要部拡大図である。図9に示すようにこの貯湯タンクユニット1Bは、上記第1,第2の実施形態における下部補助脚9b〜11bの長さを調節可能に構成した点に特徴がある。
(Third embodiment)
FIG. 9 is an enlarged view of a main part of a hot water storage tank unit 1B according to the third embodiment. As shown in FIG. 9, this hot water storage tank unit 1B is characterized in that the length of the lower auxiliary legs 9b to 11b in the first and second embodiments can be adjusted.

すなわち、補助脚9〜11は、その下部補助脚9b〜11bを、図9中、上部の横断面形状がコ字状の無底本体部16と、図9中下部の有底コ字状の可動底部17とに分割し、本体部16の図9中下端部に、可動底部17を、軸方向に摺動可能に外嵌させている。   That is, the auxiliary legs 9 to 11 are formed by replacing the lower auxiliary legs 9b to 11b with a bottomless main body 16 having a U-shaped cross section at the top in FIG. 9 and a bottomed U-shaped at the bottom in FIG. It divides | segments into the movable bottom part 17, and the movable bottom part 17 is externally fitted to the lower end part in FIG.

本体部16は、その外嵌部におけるコ字状構造の一対の対向側面に、複数の止めボルト18,18のねじ部にねじ結合されるねじ孔(図示省略)を図9中、左右方向に並設している。   The body portion 16 has screw holes (not shown) that are screwed to the screw portions of the plurality of set bolts 18 and 18 in the left and right directions in FIG. It is installed side by side.

一方、可動底部17は、その外嵌部におけるコ字状構造の一対の対向側面に、各止めボルト18のねじ部の直径よりも若干大きく、かつ頭部18aよりも小さく、軸方向(図9中縦方向)に長い複数の長孔19,19をそれぞれ形成している。   On the other hand, the movable bottom portion 17 has a pair of opposing side surfaces of the U-shaped structure at the outer fitting portion thereof, and is slightly larger than the diameter of the screw portion of each set bolt 18 and smaller than the head portion 18a. A plurality of long holes 19, 19 that are long in the middle vertical direction) are formed.

したがって、可動底部17の高さ(突出長)を適宜調節してから、止めボルト18,18を堅く締め付け、本体部16に固定することにより、可動底部17の高さを適宜調節できる。   Therefore, the height of the movable bottom portion 17 can be adjusted as appropriate by adjusting the height (projection length) of the movable bottom portion 17 and then tightening the set bolts 18 and 18 firmly and fixing them to the main body portion 16.

このために、貯湯タンクユニット1Bの据付が完了するまでは、可動底部17を上方に位置させて補助脚9〜11の底板2fからの突出長さを、3本の主脚6〜8の突出長さよりも小さくし、その荷扱い時や据付時等において、自立させる場合には、まず、3本の主脚6〜8により自立面に接面させる。そして、貯湯タンクユニット1Bの据付が完了したら、補助脚9〜11の各可動底部17の高さ(突出長)をそれぞれ調節して、これら可動底部17の底面を自立面に接面させる。   For this reason, until the installation of the hot water storage tank unit 1B is completed, the movable bottom portion 17 is positioned upward so that the protruding length of the auxiliary legs 9-11 from the bottom plate 2f is the protruding length of the three main legs 6-8. In order to make it smaller than the length and to be self-supporting when handling or installing it, first, the three main legs 6 to 8 are brought into contact with the self-supporting surface. And if installation of the hot water storage tank unit 1B is completed, the height (protrusion length) of each movable bottom part 17 of the auxiliary legs 9-11 will be adjusted, respectively, and the bottom face of these movable bottom parts 17 will be in contact with a self-supporting surface.

これにより、3本の主脚6〜8と、2本または3本の補助脚9〜11の全部を自立面にそれぞれ接面させることができる。このために、これら主脚6〜8と補助脚9〜11により貯湯タンクユニット1Bを支持することができるので、その支持強度の向上を図ることができるうえに、転倒防止効果のさらなる向上を図ることができる。なお、上記各実施形態ではヒートポンプ給湯機の貯湯タンクユニットについて説明したが、本発明はこれに限定されるものではなく、電気温水器に適用してもよい。   As a result, the three main legs 6 to 8 and the two or three auxiliary legs 9 to 11 can all be brought into contact with the self-standing surface. For this reason, since the hot water storage tank unit 1B can be supported by the main legs 6 to 8 and the auxiliary legs 9 to 11, the support strength can be improved and the fall prevention effect can be further improved. be able to. In addition, although each said embodiment demonstrated the hot water storage tank unit of the heat pump water heater, this invention is not limited to this, You may apply to an electric water heater.

以上のように、各実施形態の貯湯タンクユニットは、筐体の下面から下方へ突出する長さが主脚の突出長さよりも小さく形成され、かつ3本の主脚を結んで形成される三角形の外側に位置する補助脚を備えたので、据付作業時の平坦度出しに支障を与えることなしに、貯湯タンクユニットの転倒防止を図ることができる。   As described above, the hot water storage tank unit of each embodiment is a triangle formed such that the length projecting downward from the lower surface of the housing is smaller than the projecting length of the main leg and connecting the three main legs. Since the auxiliary legs are provided outside, the hot water storage tank unit can be prevented from falling without hindering the flatness at the time of installation.

以上、本発明の幾つかの実施形態を説明したが、これらの実施形態は、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。これら新規な実施形態は、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、置換え、変更を行うことができる。これら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。   As mentioned above, although several embodiment of this invention was described, these embodiment is shown as an example and is not intending limiting the range of invention. These novel embodiments can be implemented in various other forms, and various omissions, substitutions, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

1,1A,1B…貯湯タンクユニット、2…筐体、3…貯湯タンク、6,7,8…主脚、6a,7a,8a…上部主脚、6b,7b,8b…下部主脚、9,10,11…補助脚、9a,10a,11a…上部補助脚、9b,10b,11b…下部補助脚、17…可動底部、18…止めボルト、19…長孔、d,e,f…垂直2等分線、oa,ob,oc…下部主脚6b,7b,8bの底面中心、od,oe,of…下部補助脚9b,10b,11bの底面中心、t…三角形。   DESCRIPTION OF SYMBOLS 1,1A, 1B ... Hot water storage tank unit, 2 ... Housing, 3 ... Hot water storage tank, 6, 7, 8 ... Main leg, 6a, 7a, 8a ... Upper main leg, 6b, 7b, 8b ... Lower main leg, 9 , 10, 11 ... auxiliary leg, 9a, 10a, 11a ... upper auxiliary leg, 9b, 10b, 11b ... lower auxiliary leg, 17 ... movable bottom, 18 ... set bolt, 19 ... long hole, d, e, f ... vertical Bisector, oa, ob, oc ... bottom center of lower main legs 6b, 7b, 8b, od, oe, of ... bottom center of lower auxiliary legs 9b, 10b, 11b, t ... triangle.

Claims (4)

筐体と、この筐体内に収納され湯水を貯える貯湯タンクとを備えた貯湯タンクユニットにおいて、
一端側が貯湯タンクに固着され、他端が上記筐体の下面よりも下方に突出する3本の主脚と、
上記筐体の下面から下方へ突出する長さが上記主脚の突出長さよりも小さく形成され、かつ上記3本の主脚を結んで形成される三角形の外側に位置する補助脚と、
を備え、
上記主脚の底部にはアンカーボルトのねじ軸部を挿通させる挿通孔を有することを特徴とする貯湯タンクユニット。
In a hot water storage tank unit comprising a housing and a hot water storage tank stored in the housing for storing hot water,
Three main legs with one end fixed to the hot water storage tank and the other end protruding downward from the lower surface of the housing;
An auxiliary leg that is formed to have a length that protrudes downward from the lower surface of the housing to be smaller than a protruding length of the main leg, and is located outside a triangle formed by connecting the three main legs;
With
A hot water storage tank unit having an insertion hole through which a screw shaft portion of an anchor bolt is inserted in a bottom portion of the main leg .
上記補助脚は、その一端側が上記貯湯タンクに固着されていることを特徴とする請求項1記載の貯湯タンクユニット。 The hot water storage tank unit according to claim 1, wherein one end of the auxiliary leg is fixed to the hot water storage tank. 上記主脚は、正三角形の各頂点に位置するように配置され、上記補助脚は、上記主脚が形成する三角形の各辺の垂直2等分線上に位置するように配置されていることを特徴とする請求項1または2記載の貯湯タンクユニット。 The main leg is disposed so as to be positioned at each vertex of the equilateral triangle, and the auxiliary leg is disposed so as to be positioned on a perpendicular bisector of each side of the triangle formed by the main leg. The hot water storage tank unit according to claim 1 or 2, characterized in that: 上記主脚は、そのうちの1本が上記筐体の正面側の幅方向中央部に位置し、他の2本が上記筐体の背面側の幅方向両端側に位置するように配置され、
上記補助脚は、前記筐体の正面側に配置された主脚の両側にそれぞれ配置されていることを特徴とする請求項1または2記載の貯湯タンクユニット。
The main legs are arranged such that one of them is located in the center in the width direction on the front side of the casing, and the other two are positioned on both ends in the width direction on the back side of the casing,
The hot water storage tank unit according to claim 1 or 2, wherein the auxiliary legs are arranged on both sides of a main leg arranged on the front side of the casing.
JP2011114083A 2011-05-20 2011-05-20 Hot water storage tank unit Expired - Fee Related JP5759258B2 (en)

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