JP6904775B2 - Drain plug - Google Patents

Drain plug Download PDF

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JP6904775B2
JP6904775B2 JP2017090826A JP2017090826A JP6904775B2 JP 6904775 B2 JP6904775 B2 JP 6904775B2 JP 2017090826 A JP2017090826 A JP 2017090826A JP 2017090826 A JP2017090826 A JP 2017090826A JP 6904775 B2 JP6904775 B2 JP 6904775B2
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hole
dish
lid
drain plug
bathtub
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JP2018188835A (en
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堀江　直也
直也 堀江
和典 飯尾
和典 飯尾
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Lixil Corp
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Lixil Corp
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Description

本発明は、排水栓に関する。 The present invention relates to a drain plug.

湯を溜める浴槽の底部に設けられる排水栓には、排水口を塞ぐゴム栓や、プッシュ式の栓が用いられている。例えば、特許文献１には、浴槽の内底面における排水口およびその周辺部から浴槽の側面までを陥没させた部分に、内底面と面一となる排水口覆いを設け、該排水口覆いの下面にゴム栓を一体に設け、該排水口覆いの浴槽側面側にくさりを連結した排水栓が開示されている。 As the drain plug provided at the bottom of the bathtub for storing hot water, a rubber plug that closes the drain port or a push-type plug is used. For example, in Patent Document 1, a drainage port cover that is flush with the inner bottom surface is provided in a recessed portion from the drainage port and its peripheral portion to the side surface of the bathtub on the inner bottom surface of the bathtub, and the lower surface of the drainage port cover is provided. A drain plug is disclosed in which a rubber stopper is integrally provided in the bathtub, and a drainage plug is connected to the side surface side of the bathtub of the drainage port cover.

特開平０１−１２６９３１号公報Japanese Unexamined Patent Publication No. 01-126931

特許文献１に記載の排水栓は、浴槽から排水するために排水栓を抜き去った状態では、陥没した部分が露出する。浴槽にシャワー装置が設けられ、ユーザが浴槽内に立ってシャワー装置からの湯水を浴びる形式の浴室ユニットでは、浴槽の内底面に陥没した部分があると、足裏に違和感を生じ利便性が低下するという問題があった。プッシュ式の栓の場合も、開状態で栓が浴槽の内底面から突出するため、足裏に違和感が生じる。 In the drain plug described in Patent Document 1, the depressed portion is exposed when the drain plug is removed in order to drain water from the bathtub. In a bathroom unit in which a shower device is provided in the bathtub and the user stands in the bathtub and bathes in hot water from the shower device, if there is a depressed part on the inner bottom surface of the bathtub, the sole of the foot feels uncomfortable and convenience is reduced. There was a problem of doing. Even in the case of a push-type stopper, the stopper protrudes from the inner bottom surface of the bathtub in the open state, which causes a feeling of strangeness on the sole of the foot.

本発明は、斯かる事情に鑑みてなされたものであり、その目的とするところは、開状態としても違和感が生じ難く利便性が良い排水栓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 drain plug that is convenient and does not cause a sense of discomfort even in an open state.

本発明に係る排水栓は、浴槽の排水口に配設される排水栓であって、前記排水口に嵌め合わされ、通流孔部が形成された皿部と、前記皿部の前記浴槽側を覆うように設けられており、前記皿部に対する前記浴槽の底面に沿う動きによって前記通流孔部を開閉する蓋部と、を備えることを特徴とする。 The drain plug according to the present invention is a drain plug disposed at a drain port of a bathtub, and is a dish portion fitted to the drain port to form a passage hole portion and a bathtub side of the dish portion. It is provided so as to cover it, and is characterized by including a lid portion that opens and closes the flow hole portion by moving along the bottom surface of the bathtub with respect to the dish portion.

本発明によれば、排水栓は、開状態としても違和感が生じ難く利便性が良い。 According to the present invention, the drain plug is convenient because it does not cause a sense of discomfort even when it is in the open state.

本発明の実施形態に係る排水栓を含む浴槽の外観を示す斜視図である。It is a perspective view which shows the appearance of the bathtub including the drain plug which concerns on embodiment of this invention. 排水栓の分解斜視図である。It is an exploded perspective view of a drain plug. 皿部の平面図である。It is a top view of the dish part. 図３に示すＡ−Ａ線による皿部の断面図である。It is sectional drawing of the dish part by line AA shown in FIG. 蓋部の平面図である。It is a top view of the lid part. 図５に示すＢ−Ｂ線による蓋部の断面図である。It is sectional drawing of the lid part by line BB shown in FIG. 蓋部の底面図である。It is a bottom view of a lid part. 開状態の排水栓を示す平面図である。It is a top view which shows the drain plug in an open state. 閉状態の排水栓を示す平面図である。It is a top view which shows the drain plug in a closed state. 変形例に係る排水栓の外観を示す側面図である。It is a side view which shows the appearance of the drain plug which concerns on the modification. 別の変形例に係る排水栓の断面図である。It is sectional drawing of the drain plug which concerns on another modification.

以下、本発明を好適な実施の形態をもとに図１から図１１を参照しながら説明する。各図面に示される同一または同等の構成要素、部材には、同一の符号を付するものとし、適宜重複した説明は省略する。また、各図面における部材の寸法は、理解を容易にするために適宜拡大、縮小して示される。また、各図面において実施の形態を説明する上で重要ではない部材の一部は省略して表示する。 Hereinafter, the present invention will be described with reference to FIGS. 1 to 11 based on a preferred embodiment. The same or equivalent components and members shown in the drawings shall be designated by the same reference numerals, and redundant description will be omitted as appropriate. In addition, the dimensions of the members in each drawing are shown enlarged or reduced as appropriate for easy understanding. In addition, some of the members that are not important for explaining the embodiment in each drawing are omitted and displayed.

（実施形態）
図１は本発明の実施形態に係る排水栓１を含む浴槽８の外観を示す斜視図であり、図２は排水栓１の分解斜視図である。浴槽８は、底部８１に排水口９（図２参照）が設けられており、排水口９の下方に設けた排水管等に接続されている。浴槽８の排水口９には排水栓１が設置されている。排水栓１は、開状態で浴槽８内の湯水を排水管側へ排出し、閉状態で排水口９を塞ぎ浴槽８に湯水を溜める。 (Embodiment)
FIG. 1 is a perspective view showing the appearance of the bathtub 8 including the drain plug 1 according to the embodiment of the present invention, and FIG. 2 is an exploded perspective view of the drain plug 1. The bathtub 8 is provided with a drainage port 9 (see FIG. 2) at the bottom 81, and is connected to a drainage pipe or the like provided below the drainage port 9. A drain plug 1 is installed at the drain port 9 of the bathtub 8. The drain plug 1 discharges the hot water in the bathtub 8 to the drain pipe side in the open state, closes the drain port 9 in the closed state, and stores the hot water in the bathtub 8.

排水栓１は、皿部２および蓋部３を備え、排水口９に設置される。排水口９は、浴槽８の表裏に貫通する孔であり、皿部２を収容する収容孔部９１と、蓋部３を嵌める嵌合孔部９２を備える。収容孔部９１は、底部において内側に張り出すフランジ部９１ａが形成されている。皿部２は、底面をフランジ部９１ａに接触させて配設される。嵌合孔部９２は、内径が収容孔部９１より大きく、収容孔部９１に連続する底部９２ａを有する。蓋部３は、底面を皿部２に接触させ、皿部２の浴槽８側を覆うように配設されており、該底面と底部９２ａとの間は僅かに接触するか、微小な隙間が空いている。 The drain plug 1 includes a dish portion 2 and a lid portion 3, and is installed at the drain port 9. The drain port 9 is a hole penetrating the front and back of the bathtub 8, and includes a storage hole 91 for accommodating the dish 2 and a fitting hole 92 for fitting the lid 3. The accommodation hole 91 is formed with a flange portion 91a that projects inward at the bottom. The dish portion 2 is arranged with the bottom surface in contact with the flange portion 91a. The fitting hole portion 92 has an inner diameter larger than that of the accommodating hole portion 91 and has a bottom portion 92a continuous with the accommodating hole portion 91. The lid portion 3 is arranged so that the bottom surface is in contact with the dish portion 2 and covers the bathtub 8 side of the dish portion 2, and the bottom surface and the bottom portion 92a are slightly in contact with each other or have a minute gap. Vacant.

皿部２は通流孔部２１を有し、蓋部３は貫通孔部３１を有する。蓋部３は、皿部２に対して、浴槽８の底部８１における内面（底面）に略垂直に交差する軸まわりに回転可能である。排水栓１は、蓋部３の回転によって通流孔部２１と貫通孔部３１とが重なって連通するときに、開状態となる。また、排水栓１は、蓋部３の回転によって通流孔部２１と貫通孔部３１とがずれた位置となるときに、閉状態となる。 The dish portion 2 has a flow hole portion 21, and the lid portion 3 has a through hole portion 31. The lid portion 3 is rotatable about an axis that intersects the dish portion 2 substantially perpendicularly to the inner surface (bottom surface) of the bottom portion 81 of the bathtub 8. The drain plug 1 is opened when the through-hole portion 21 and the through-hole portion 31 overlap and communicate with each other due to the rotation of the lid portion 3. Further, the drain plug 1 is closed when the flow hole portion 21 and the through hole portion 31 are displaced from each other due to the rotation of the lid portion 3.

図３は皿部の平面図であり、図４は図３に示すＡ−Ａ線による皿部２の断面図である。皿部２は、厚みのある円形板状をなし、蓋部３に対向する一面２ａから穿つように形成された通流孔部２１を有する。通流孔部２１は、中心角が略９０度の扇状をなし、皿部２の中心に対して対称に２箇所に設けられており、底部２１ａには、表裏に貫通する多数の通流孔２２を有する。 FIG. 3 is a plan view of the dish portion, and FIG. 4 is a cross-sectional view of the dish portion 2 taken along the line AA shown in FIG. The dish portion 2 has a thick circular plate shape, and has a flow hole portion 21 formed so as to be pierced from one surface 2a facing the lid portion 3. The flow hole portion 21 has a fan shape with a central angle of approximately 90 degrees, and is provided at two locations symmetrically with respect to the center of the dish portion 2. The bottom portion 21a has a large number of passage holes penetrating the front and back. Has 22.

皿部２の中心には、一面２ａから突起し、一面２ａに略垂直な軸方向を有する円柱状の軸体２３が設けられている。皿部２の一面２ａにおいて、軸体２３の周囲部分、および、軸体２３の周方向に見た２つの通流孔部２１の間の部分は、貫通孔が設けられていない平坦部２４となっている。 At the center of the dish portion 2, a columnar shaft body 23 that protrudes from one surface 2a and has an axial direction substantially perpendicular to the one surface 2a is provided. On one surface 2a of the dish portion 2, the peripheral portion of the shaft body 23 and the portion between the two through-hole portions 21 viewed in the circumferential direction of the shaft body 23 are the flat portion 24 having no through hole. It has become.

皿部２の一面２ａにおける周縁部には、軸体２３を中心とする円弧状の凸条２５および２６が一面２ａから突起するように形成されている。凸条２５は、軸体２３に対して対称に平坦部２４における２箇所に設けられている。凸条２６は、軸体２３に対して対称に通流孔部２１の周縁部における２箇所に設けられている。凸条２５は、凸条２６よりも周方向の長さ寸法を大きくしてある。凸条２５および凸条２６それぞれの端部２５ａおよび２６ａは、各凸条の高さ方向に傾斜するテーパ状としてある。 On the peripheral edge of the one surface 2a of the dish portion 2, arcuate ridges 25 and 26 centered on the shaft body 23 are formed so as to project from the one surface 2a. The ridges 25 are provided at two positions on the flat portion 24 symmetrically with respect to the shaft body 23. The ridges 26 are provided at two locations on the peripheral edge of the flow hole portion 21 symmetrically with respect to the shaft body 23. The ridge 25 has a larger length dimension in the circumferential direction than the ridge 26. The ends 25a and 26a of the ridges 25 and 26, respectively, are tapered in the height direction of the ridges.

皿部２は、外周面２ｂの全周に亘ってパッキンが嵌められており、該パッキンが排水口９における収容孔部９１の内周面９１ｂ（図２参照）に接触する。皿部２の外周と収容孔部９１の内周がパッキンによって水密に封止されることで、浴槽８内からの排水経路は、通流孔部２１となる。蓋部３は、皿部２の一面２ａに被さり、２つの通流孔部２１を開閉するように機能する。 The dish portion 2 is fitted with a packing over the entire circumference of the outer peripheral surface 2b, and the packing comes into contact with the inner peripheral surface 91b (see FIG. 2) of the accommodating hole 91 in the drain port 9. Since the outer circumference of the dish portion 2 and the inner circumference of the accommodating hole 91 are watertightly sealed by packing, the drainage path from the inside of the bathtub 8 becomes the flow hole portion 21. The lid portion 3 covers one surface 2a of the dish portion 2 and functions to open and close the two through-hole portions 21.

図５は蓋部３の平面図、図６は図５に示すＢ−Ｂ線による蓋部３の断面図、図７は蓋部３の底面図である。蓋部３は、厚みのある円形板状をなし、表裏に貫通する貫通孔部３１が中心に対して対称に２箇所に設けられている。貫通孔部３１は、浴槽８側における浴槽８の内部を臨む一面３ａにおける開口が、所定の半径方向寸法を有する中心角が略９０度の円弧状の形状であり、蓋部３の周縁部寄りに形成されている。貫通孔部３１は、他面３ｂにおける開口が、中心角を略９０度とする扇状の形状であり、蓋部３の半径方向の中途部に形成されている。 5 is a plan view of the lid portion 3, FIG. 6 is a cross-sectional view of the lid portion 3 along the line BB shown in FIG. 5, and FIG. 7 is a bottom view of the lid portion 3. The lid portion 3 has a thick circular plate shape, and through holes 31 penetrating the front and back surfaces are provided at two locations symmetrically with respect to the center. The through hole portion 31 has an arcuate shape in which the opening on one surface 3a facing the inside of the bathtub 8 on the bathtub 8 side has a predetermined radial dimension and a central angle of approximately 90 degrees, and is closer to the peripheral edge portion of the lid portion 3. Is formed in. The through hole portion 31 has a fan-like shape in which the opening on the other surface 3b has a central angle of approximately 90 degrees, and is formed in the middle portion in the radial direction of the lid portion 3.

貫通孔部３１は、一面３ａにおける開口の外周側部分と、他面３ｂにおける開口の外周側部分とが外側傾斜部３１ａによって接続されている。また、貫通孔部３１は、一面３ａにおける開口の中心側部分と、他面３ｂにおける開口の中心側部分とが内側傾斜部３１ｂによって接続されている。外側傾斜部３１ａおよび内側傾斜部３１ｂによって湯水の流路が形成される。蓋部３の一面３ａにおける貫通孔部３１以外の面は、蓋部３の表面３２となっている。表面３２は、蓋部３の中心から半径方向の中途部までの円形部分、および、周方向に見た２つの貫通孔部３１の間の部分からなり、中央部が湾曲してやや膨らみを持ち、ユーザが触れる面となっている。一面３ａにおける貫通孔部３１の開口面積は、貫通孔部３１の開口部分を除く一面３ａ、即ち表面３２の面積よりも小さい。 In the through hole portion 31, the outer peripheral side portion of the opening on the one surface 3a and the outer peripheral side portion of the opening on the other surface 3b are connected by the outer inclined portion 31a. Further, in the through hole portion 31, the central portion of the opening on the one surface 3a and the central portion of the opening on the other surface 3b are connected by the inner inclined portion 31b. A flow path of hot water is formed by the outer inclined portion 31a and the inner inclined portion 31b. The surface of the one surface 3a of the lid portion 3 other than the through hole portion 31 is the surface 32 of the lid portion 3. The surface 32 is composed of a circular portion from the center of the lid portion 3 to the middle portion in the radial direction and a portion between two through-hole portions 31 viewed in the circumferential direction, and the central portion is curved and has a slight bulge. It is a surface that the user touches. The opening area of the through hole portion 31 on the one surface 3a is smaller than the area of the one surface 3a excluding the opening portion of the through hole portion 31, that is, the surface 32.

蓋部３の他面３ｂの中心には、他面３ｂに穿つようにして設けた軸穴３３が設けられている。軸穴３３は、皿部２の軸体２３に嵌め合わされる。他面３ｂにおいて、軸穴３３の周囲部分、および、軸穴３３の周方向に見た２つの貫通孔部３１の間の部分は、平坦状であり、貫通孔が設けられていない閉塞部３４を形成している。図７中の一点鎖線で示すように、軸穴３３を境にした扇状の２つの経路Ｐにパッキンが配設されている。 At the center of the other surface 3b of the lid portion 3, a shaft hole 33 is provided so as to be bored in the other surface 3b. The shaft hole 33 is fitted into the shaft body 23 of the dish portion 2. On the other surface 3b, the peripheral portion of the shaft hole 33 and the portion between the two through-hole portions 31 seen in the circumferential direction of the shaft hole 33 are flat and the closed portion 34 having no through-hole is provided. Is forming. As shown by the alternate long and short dash line in FIG. 7, packing is arranged in two fan-shaped paths P with the shaft hole 33 as a boundary.

経路Ｐに配設されたパッキンは、皿部２の通流孔部２１と蓋部３の閉塞部３４とが重なるときに、通流孔部２１を囲んで周縁部に接触する。皿部２の軸体２３の先端部の外周に凹状に切欠部分を設け、通流孔部２１と閉塞部３４とが重なるときに該切欠部分に嵌め合わされるように蓋部３の軸穴３３の底部に突起部分を設けてあってもよく、この場合、排水栓１の開閉時にクリック感が得られる。 The packing disposed in the path P surrounds the flow hole portion 21 and comes into contact with the peripheral edge portion when the passage hole portion 21 of the dish portion 2 and the closing portion 34 of the lid portion 3 overlap. A recessed notch is provided on the outer periphery of the tip of the shaft 23 of the dish portion 2, and the shaft hole 33 of the lid 3 is fitted into the notch when the flow hole 21 and the closed portion 34 overlap. A protrusion may be provided on the bottom of the drain plug 1, and in this case, a click feeling can be obtained when the drain plug 1 is opened and closed.

蓋部３の他面３ｂにおける半径方向の中途部やや外周寄りの部分には、軸穴３３を中心とする円弧状の段差部３５および溝３６が他面３ｂに穿つように形成されている。段差部３５は、軸穴３３に対して対称に貫通孔部３１の周縁部における２箇所に設けられている。溝３６は、軸穴３３に対して対称に閉塞部３４における２箇所に設けられている。段差部３５は、溝３６よりも周方向の長さ寸法を大きくしてある。段差部３５および溝３６の周方向の長さ寸法は、皿部２の凸条２５および２６と同一またはやや大きい。段差部３５および溝３６それぞれの端部３５ａおよび３６ａは、高さ方向に傾斜するテーパ状としてある。 An arcuate stepped portion 35 centered on the shaft hole 33 and a groove 36 are formed so as to pierce the other surface 3b in a portion of the other surface 3b of the lid portion 3 slightly closer to the outer periphery in the radial direction. The step portions 35 are provided at two locations on the peripheral edge of the through hole portion 31 symmetrically with respect to the shaft hole 33. The grooves 36 are provided at two positions in the closing portion 34 symmetrically with respect to the shaft hole 33. The step portion 35 has a larger length dimension in the circumferential direction than the groove 36. The length dimension of the step portion 35 and the groove 36 in the circumferential direction is the same as or slightly larger than that of the ridges 25 and 26 of the dish portion 2. The end portions 35a and 36a of the step portion 35 and the groove 36, respectively, have a tapered shape that is inclined in the height direction.

皿部２の凸条２５および２６は、皿部２の通流孔部２１と蓋部３の閉塞部３４とが重なるときに、蓋部３の段差部３５および３６に嵌め合わされる。皿部２の凸条２５および２６は、皿部２の通流孔部２１と蓋部３の閉塞部３４とが重なっていないときは、蓋部３の他面３ｂに接触した状態となる。 The ridges 25 and 26 of the dish portion 2 are fitted into the stepped portions 35 and 36 of the lid portion 3 when the passage hole portion 21 of the dish portion 2 and the closing portion 34 of the lid portion 3 overlap. The ridges 25 and 26 of the dish portion 2 are in contact with the other surface 3b of the lid portion 3 when the passage hole portion 21 of the dish portion 2 and the closing portion 34 of the lid portion 3 do not overlap.

次に排水栓１の動作について説明する。排水栓１は、皿部２を浴槽８の排水口９における収容孔部９１に配置する。皿部２の外周面２ｂの設けたパッキンが収容孔部９１の内周面９１ｂに接触し、皿部２の外周と収容孔部９１の内周がパッキンによって水密に封止される。蓋部３は、軸穴３３を皿部２の軸体２３に嵌め合わせ、皿部２に被せるようにして排水口９の嵌合孔部９２に嵌め合わせる。蓋部３は、軸体２３まわりに回転させることができる。 Next, the operation of the drain plug 1 will be described. The drain plug 1 arranges the dish portion 2 in the accommodating hole 91 in the drain port 9 of the bathtub 8. The packing provided on the outer peripheral surface 2b of the dish portion 2 comes into contact with the inner peripheral surface 91b of the accommodating hole 91, and the outer periphery of the dish portion 2 and the inner circumference of the accommodating hole 91 are watertightly sealed by the packing. The lid portion 3 fits the shaft hole 33 into the shaft body 23 of the dish portion 2 and fits into the fitting hole portion 92 of the drain port 9 so as to cover the dish portion 2. The lid portion 3 can be rotated around the shaft body 23.

図８は、開状態の排水栓１を示す平面図である。排水栓１は、皿部２の通流孔部２１と蓋部３の貫通孔部３１とが重なった状態の回転位置において、通流孔部２１と貫通孔部３１とが連通し、開状態となる。浴槽８の湯水は、貫通孔部３１を通って、皿部２の通流孔部２１へ流れ込み、通流孔２２から排水管へと排出される。皿部２の通流孔部２１では、髪の毛や異物が引っ掛かり、除去できるようになっている。蓋部３の一面３ａにおける貫通孔部３１の開口面積は、貫通孔部３１の開口部分を除く一面３ａの面積、即ち表面３２の面積よりも小さい。これにより、排水栓１は、ユーザが視認したときに蓋部３に大きな孔が開いているとの違和感が低減化されている。また、蓋部３の一面３ａの面積に対する貫通孔部３１の開口面積の比率が小さくなることで、浴槽８の底面と連続する部分が多くなり、シームレスにユーザの身体に接触する部分の面積を広く確保することができる。 FIG. 8 is a plan view showing the drain plug 1 in the open state. The drain plug 1 is in an open state in which the through-hole portion 21 and the through-hole portion 31 communicate with each other at the rotational position in which the through-hole portion 21 of the dish portion 2 and the through-hole portion 31 of the lid portion 3 overlap. It becomes. The hot water of the bathtub 8 flows into the through hole portion 21 of the dish portion 2 through the through hole portion 31, and is discharged from the through hole 22 to the drain pipe. Hair and foreign matter are caught in the passage hole 21 of the dish portion 2 and can be removed. The opening area of the through-hole portion 31 on one surface 3a of the lid portion 3 is smaller than the area of one surface 3a excluding the opening portion of the through-hole portion 31, that is, the area of the surface 32. As a result, the feeling of discomfort that the drain plug 1 has a large hole in the lid portion 3 when visually recognized by the user is reduced. Further, by reducing the ratio of the opening area of the through hole portion 31 to the area of the one surface 3a of the lid portion 3, the portion continuous with the bottom surface of the bathtub 8 increases, and the area of the portion that seamlessly contacts the user's body is increased. Can be secured widely.

排水栓１が開状態となっているとき、皿部２の凸条２５および２６は、蓋部３の他面３ｂに接触した状態となり、蓋部３の他面３ｂにおける経路Ｐに配設されたパッキンは、皿部２の一面２ａに僅かに接触しているか浮いた状態となっている。これにより、蓋部３に配設されたパッキンに常時荷重が加わらず、パッキンの劣化を抑制することができる。 When the drain plug 1 is in the open state, the ridges 25 and 26 of the dish portion 2 are in contact with the other surface 3b of the lid portion 3 and are arranged in the path P on the other surface 3b of the lid portion 3. The packing is in a state of being slightly in contact with or floating on one surface 2a of the dish portion 2. As a result, a load is not constantly applied to the packing provided on the lid portion 3, and deterioration of the packing can be suppressed.

図９は、閉状態の排水栓１を示す平面図である。排水栓１は、蓋部３を開状態から軸穴３３の軸まわりに９０度回転した回転位置において、閉状態となる。排水栓１が閉状態となったとき、皿部２の凸条２５および２６は、蓋部３の段差部３５および溝３６に嵌め合わされ、蓋部３が自重によって皿部２に接近する。蓋部３の他面３ｂに配設されたパッキンは、排水栓１が閉状態となったときに、通流孔部２１の周縁部に接触し、蓋部３の自重で弾性変形して、通流孔部２１の周縁部に密着して通流孔部２１を塞ぐ。 FIG. 9 is a plan view showing the drain plug 1 in the closed state. The drain plug 1 is closed at a rotation position in which the lid 3 is rotated 90 degrees around the axis of the shaft hole 33 from the open state. When the drain plug 1 is closed, the ridges 25 and 26 of the dish 2 are fitted into the stepped portion 35 and the groove 36 of the lid 3, and the lid 3 approaches the dish 2 by its own weight. When the drain plug 1 is closed, the packing disposed on the other surface 3b of the lid portion 3 comes into contact with the peripheral edge portion of the flow hole portion 21, and is elastically deformed by the weight of the lid portion 3. The flow hole portion 21 is closed in close contact with the peripheral edge portion of the flow hole portion 21.

排水栓１は、閉状態から９０度回転した回転位置において、図８に示す開状態となる。排水栓１は、蓋部３を軸穴３３の軸まわり、即ち浴槽８の内面に略垂直な軸まわりに回転させることで開閉することができ、浴槽８の内面（底面）から突出しないようにすることができる。 The drain plug 1 is in the open state shown in FIG. 8 at a rotation position rotated 90 degrees from the closed state. The drain plug 1 can be opened and closed by rotating the lid portion 3 around the axis of the shaft hole 33, that is, around the axis substantially perpendicular to the inner surface of the bathtub 8 so as not to protrude from the inner surface (bottom surface) of the bathtub 8. can do.

排水栓１は、開状態および閉状態で蓋部３が回転するだけで、浴槽８の内面側の表面の変化が少ない。また、排水栓１は、蓋部３を途中の回転位置で止めることによって、開き度合が変化し、排水速度を可変することができる。 In the drain plug 1, only the lid portion 3 rotates in the open state and the closed state, and the surface on the inner surface side of the bathtub 8 does not change much. Further, the drain plug 1 can change the degree of opening and the drainage speed by stopping the lid portion 3 at an intermediate rotation position.

皿部２の凸条２５および２６が、蓋部３の段差部３５および溝３６に嵌め合わされ、また、嵌め合わせが外れることで、蓋部３が軸穴３３の軸方向、即ち、浴槽８の内面に略垂直な軸方向に動く。この蓋部３の動きは、排水量を高めるために蓋部を軸方向に大きく動かすものではなく、パッキンによる封止性を高めるためのものであり、動きを小さくすることで、蓋部３が浴槽８の内面から突出することを抑制することができる。これにより、排水栓１は、開状態および閉状態において、浴槽８の内面から蓋部３が突出することを抑制できるので、ユーザが排水栓１に触れても違和感が生じ難く利便性が良い。 The ridges 25 and 26 of the dish portion 2 are fitted into the stepped portion 35 and the groove 36 of the lid portion 3, and when the fitting is disengaged, the lid portion 3 is fitted in the axial direction of the shaft hole 33, that is, in the bathtub 8. It moves in the axial direction approximately perpendicular to the inner surface. The movement of the lid portion 3 is not to move the lid portion significantly in the axial direction in order to increase the amount of drainage, but to improve the sealing property by the packing. By reducing the movement, the lid portion 3 becomes a bathtub. It is possible to suppress the protrusion from the inner surface of 8. As a result, the drain plug 1 can prevent the lid portion 3 from protruding from the inner surface of the bathtub 8 in the open state and the closed state, so that even if the user touches the drain plug 1, a feeling of strangeness is unlikely to occur, which is convenient.

皿部２に設けた凸条２５および２６の端部２５ａおよび２６ａ、並びに、蓋部３に設けた段差部３５および溝３６の端部３５ａおよび３６ａは、高さ方向に傾斜するテーパ状としてあるため、閉状態から開状態への動き出しが滑らかになる。尚、端部におけるテーパは、凸条側にのみ設けてもよく、また、段差部および溝側にのみ設けてよく、いずれの場合にも蓋部３の動き出しを滑らかにすることができる。 The ends 25a and 26a of the ridges 25 and 26 provided on the dish 2 and the ends 35a and 36a of the stepped portion 35 and the groove 36 provided on the lid 3 are tapered in the height direction. Therefore, the movement from the closed state to the open state becomes smooth. The taper at the end may be provided only on the ridge side, or may be provided only on the step portion and the groove side, and in either case, the movement of the lid portion 3 can be smoothed.

次に、実施形態の排水栓１の特徴を説明する。
本発明の実施形態の排水栓１は、浴槽８の排水口９に配設される。排水栓１は、排水口９に嵌め合わされ、通流孔部２１が形成された皿部２と、皿部２の浴槽８側を覆うように設けられており、皿部２に対する浴槽８の内面（底面）に沿う動きによって通流孔部２１を開閉する蓋部３とを備える。これにより、排水栓１は、開状態および閉状態において、浴槽８の内面から蓋部３が突出することを抑制できるので、ユーザが排水栓１に触れても違和感が生じ難く利便性が良い。 Next, the features of the drain plug 1 of the embodiment will be described.
The drain plug 1 of the embodiment of the present invention is arranged at the drain port 9 of the bathtub 8. The drain plug 1 is fitted to the drain port 9 and is provided so as to cover the dish portion 2 in which the passage hole portion 21 is formed and the bathtub 8 side of the dish portion 2, and the inner surface of the bathtub 8 with respect to the dish portion 2. A lid portion 3 that opens and closes the flow hole portion 21 by moving along the (bottom surface) is provided. As a result, the drain plug 1 can prevent the lid portion 3 from protruding from the inner surface of the bathtub 8 in the open state and the closed state, so that even if the user touches the drain plug 1, a feeling of strangeness is unlikely to occur, which is convenient.

また排水栓１は、蓋部３が浴槽８の内面（底面）に交差する軸のまわりに回転し、回転位置に応じて通流孔部２１を開閉する。これにより、排水栓１は、開状態および閉状態において、浴槽８の内面側の表面の変化を少なくすることができる。 Further, the drain plug 1 rotates around an axis in which the lid portion 3 intersects the inner surface (bottom surface) of the bathtub 8, and opens and closes the flow hole portion 21 according to the rotation position. As a result, the drain plug 1 can reduce changes in the surface of the bathtub 8 on the inner surface side in the open state and the closed state.

また排水栓１は、蓋部３が開状態において通流孔部２１に連通する貫通孔部３１を有し、貫通孔部３１の開口面積が、貫通孔部３１の開口部分を除く蓋部３における浴槽８の内部に臨む一面３ａの面積、即ち表面３２の面積よりも小さい。これにより、排水栓１は、ユーザが視認したときに蓋部３に大きな孔が開いているとの違和感が低減化されている。また、蓋部３の一面３ａの面積に対する貫通孔部３１の開口面積の比率が小さくなることで、浴槽８の底面と連続する部分が多くなり、シームレスにユーザの身体に接触する部分の面積を広く確保することができる。 Further, the drain plug 1 has a through hole portion 31 that communicates with the through hole portion 21 when the lid portion 3 is open, and the opening area of the through hole portion 31 is the lid portion 3 excluding the opening portion of the through hole portion 31. It is smaller than the area of one surface 3a facing the inside of the bathtub 8 in the above, that is, the area of the surface 32. As a result, the feeling of discomfort that the drain plug 1 has a large hole in the lid portion 3 when visually recognized by the user is reduced. Further, by reducing the ratio of the opening area of the through hole portion 31 to the area of the one surface 3a of the lid portion 3, the portion continuous with the bottom surface of the bathtub 8 increases, and the area of the portion that seamlessly contacts the user's body is increased. Can be secured widely.

また排水栓１は、皿部２および蓋部３における互いに対向する面のいずれか一方に凸条が、他方に凸条に嵌め合わされる嵌合部が形成されている。即ち、排水栓１は、皿部２の一面２ａに凸条２５および２６が形成されており、蓋部３の他面３ｂに嵌合部としての段差部３５および溝３６が形成されている。凸条２５および２６、並びに、段差部３５および溝３６は、軸体２３および軸穴３３を中心とする円周上に部分的に形成されており、凸条２５が段差部３５に、凸条２６が溝３６に嵌め合わされた状態で通流孔部２１が閉状態となる。これにより、排水栓１は、皿部２と蓋部３との間のパッキンによる封止性を高めることができる。 Further, the drain plug 1 has a ridge formed on one of the surfaces of the dish 2 and the lid 3 facing each other, and a fitting portion fitted to the ridge on the other. That is, in the drain plug 1, the ridges 25 and 26 are formed on one surface 2a of the dish portion 2, and the step portion 35 and the groove 36 as fitting portions are formed on the other surface 3b of the lid portion 3. The ridges 25 and 26, as well as the stepped portion 35 and the groove 36 are partially formed on the circumference centered on the shaft body 23 and the shaft hole 33, and the ridged portion 25 is formed on the stepped portion 35. The flow hole portion 21 is closed with the 26 fitted in the groove 36. As a result, the drain plug 1 can improve the sealing performance by the packing between the dish portion 2 and the lid portion 3.

また排水栓１は、凸条２５および２６の端部２５ａおよび２６ａ、若しくは、段差部３５および溝３６の端部３５ａおよび３６ｂが、高さ方向に傾斜するテーパ状に形成されている。これにより、排水栓１は、閉状態から開状態への動き出しが滑らかになる。 Further, the drain plug 1 is formed in a tapered shape in which the ends 25a and 26a of the ridges 25 and 26 or the ends 35a and 36b of the step portion 35 and the groove 36 are inclined in the height direction. As a result, the drain plug 1 smoothly starts to move from the closed state to the open state.

（変形例）
図１０は、変形例に係る排水栓１の外観を示す側面図である。この変形例では、蓋部３の他面３ｂに細長い吊り具３７を設け、吊り具３７を皿部２に設けた貫通孔（図示略）に通してある。吊り具３７は、例えば可撓性を有する樹脂製であり、先端部に拡幅する係止部３７ａが設けられている。係止部３７ａは、蓋部３を皿部２から離間させたときに皿部２の前記貫通孔の縁に係る。これにより、蓋部３を皿部２から離間させることで皿部２を排水口９から取り外すことができる。 (Modification example)
FIG. 10 is a side view showing the appearance of the drain plug 1 according to the modified example. In this modified example, an elongated hanging tool 37 is provided on the other surface 3b of the lid portion 3, and the hanging tool 37 is passed through a through hole (not shown) provided in the dish portion 2. The hanger 37 is made of, for example, a flexible resin, and is provided with a widening locking portion 37a at the tip portion. The locking portion 37a relates to the edge of the through hole of the dish portion 2 when the lid portion 3 is separated from the dish portion 2. As a result, the dish portion 2 can be removed from the drain port 9 by separating the lid portion 3 from the dish portion 2.

図１１は、別の変形例に係る排水栓１の断面図である。この変形例に係る排水栓１は、皿部２に縞状に通流孔部２１を設け、通流孔部２１の底部に通流孔２２を形成している。蓋部３は、皿部２の通流孔部２１のピッチと同じ縞状に貫通孔部３１を設けている。排水栓１は、蓋部３を浴槽８の内面に沿う動き、即ち平行移動によって、ずらすことにより、開閉することができる。これによって、排水栓１は、開状態および閉状態において、浴槽８の内面から蓋部３が突出することを抑制できるので、ユーザが排水栓１に触れても違和感が生じ難く利便性が良い。 FIG. 11 is a cross-sectional view of the drain plug 1 according to another modified example. The drain plug 1 according to this modified example is provided with a flow hole portion 21 in a striped pattern on the dish portion 2, and a flow hole 22 is formed at the bottom of the flow hole portion 21. The lid portion 3 is provided with through hole portions 31 in the same striped pattern as the pitch of the through hole portion 21 of the dish portion 2. The drain plug 1 can be opened and closed by shifting the lid 3 by moving along the inner surface of the bathtub 8, that is, by translating. As a result, the drain plug 1 can prevent the lid portion 3 from protruding from the inner surface of the bathtub 8 in the open state and the closed state, so that even if the user touches the drain plug 1, a feeling of strangeness is unlikely to occur, which is convenient.

上述の実施形態および変形例では、皿部２の外周面２ｂにパッキンを配設してあるが、皿部２の一面２ａと反対側の他面に配設し、収容孔部９１のフランジ部９１ａに接触させるようにしてもよい。また、排水栓１は、皿部２にパッキンを設けず、蓋部３の他面３ｂの周縁部に全周に亘ってパッキンを設けてもよい。また、図７に示すように、蓋部３の他面３ｂにおいて経路Ｐにパッキンを配設しているが、経路Ｐを含むように板状のパッキンを配設してもよい。 In the above-described embodiment and modified example, the packing is arranged on the outer peripheral surface 2b of the dish portion 2, but it is arranged on the other surface on the opposite side of the one surface 2a of the dish portion 2 and the flange portion of the accommodating hole portion 91. It may be brought into contact with 91a. Further, the drain plug 1 may not be provided with packing on the dish portion 2, but may be provided with packing on the peripheral portion of the other surface 3b of the lid portion 3 over the entire circumference. Further, as shown in FIG. 7, the packing is arranged on the path P on the other surface 3b of the lid portion 3, but a plate-shaped packing may be arranged so as to include the path P.

また、上述の実施形態および変形例では、皿部２の通流孔部２１および蓋部３の貫通孔部３１の形状を説明したが、これらの形状は、扇状や円弧状に限られるものではなく、楕円形状、多角形状などとしてもよい。また、皿部２の通流孔部２１および蓋部３の貫通孔部３１は、２つであることに限られず、１または３以上あってもよい。 Further, in the above-described embodiments and modifications, the shapes of the through-hole portion 21 of the dish portion 2 and the through-hole portion 31 of the lid portion 3 have been described, but these shapes are not limited to the fan shape or the arc shape. However, it may have an elliptical shape, a polygonal shape, or the like. Further, the number of the through hole portion 21 of the dish portion 2 and the through hole portion 31 of the lid portion 3 is not limited to two, and may be one or three or more.

また、上述の実施形態および変形例では、皿部２に凸条２５および２６を設け、蓋部３に段差部３５および溝３６を設けているが、皿部２に段差部や溝を設け、蓋部３に凸条を設けても良い。また、上述の実施形態および変形例では、皿部２に軸体２３を設け、蓋部３に軸穴３３を設けているが、皿部２に軸穴を、蓋部３に軸体を設けても良い。尚、蓋部３を回転させるためには、軸穴および軸体による形態の他、別の形態としてもよく、さらに、蓋部３は嵌合孔部９２に嵌め合わされているので、皿部２と蓋部３との間に軸穴および軸体を設けなくてもよい場合もある。 Further, in the above-described embodiment and modification, the ridges 25 and 26 are provided on the dish 2, and the step 35 and the groove 36 are provided on the lid 3, but the step 2 and the groove are provided on the dish 2. A ridge may be provided on the lid portion 3. Further, in the above-described embodiment and modification, the dish portion 2 is provided with the shaft body 23 and the lid portion 3 is provided with the shaft hole 33, but the dish portion 2 is provided with the shaft hole and the lid portion 3 is provided with the shaft body. You may. In addition, in order to rotate the lid portion 3, in addition to the form of the shaft hole and the shaft body, another form may be used. Further, since the lid portion 3 is fitted into the fitting hole portion 92, the dish portion 2 In some cases, it is not necessary to provide a shaft hole and a shaft body between the lid portion 3 and the lid portion 3.

また、上述の実施形態および変形例では、浴槽８の底部８１に排水栓１を設ける例を示したが、排水栓１は、浴槽８の内側面に設けてもよい。 Further, in the above-described embodiment and modification, the drain plug 1 is provided on the bottom 81 of the bathtub 8, but the drain plug 1 may be provided on the inner surface of the bathtub 8.

以上、本発明の実施の形態をもとに説明した。これらの実施の形態は例示であり、いろいろな変形および変更が本発明の特許請求範囲内で可能なこと、またそうした変形例および変更も本発明の特許請求の範囲にあることは当業者に理解されるところである。従って、本明細書での記述および図面は限定的ではなく例証的に扱われるべきものである。 The above description has been made based on the embodiment of the present invention. It will be appreciated by those skilled in the art that these embodiments are exemplary and that various modifications and modifications are possible within the claims of the invention, and that such modifications and modifications are also within the claims of the present invention. It is about to be done. Therefore, the descriptions and drawings herein should be treated as exemplary rather than limiting.

１ 排水栓、 ２ 皿部、 ２１ 通流孔部、 ２５，２６ 凸条、 ３ 蓋部、
３１ 貫通孔部、 ３５ 段差部（嵌合部）、 ３６ 溝（嵌合部）、 ８ 浴槽、
９ 排水口。 1 drain plug, 2 dish part, 21 passage hole part, 25, 26 ridges, 3 lid part,
31 Through hole, 35 Step (fitting part), 36 Groove (fitting part), 8 Bathtub,
9 Drainage port.

Claims (3)

浴槽の排水口に配設される排水栓であって、
前記排水口に嵌め合わされ、通流孔部が形成された皿部と、
前記皿部の前記浴槽側を覆うように設けられており、前記浴槽の底面に交差する軸のまわりに回転し、回転位置に応じて前記通流孔部を開閉する蓋部と、
前記通流孔部を囲むように配設されたパッキンと、
を備え、
前記皿部および前記蓋部における互いに対向する面のいずれか一方に凸条が、他方に前記凸条に嵌め合わされる嵌合部が前記軸を中心とする円周上に部分的に形成されており、前記凸条が前記嵌合部に嵌め合わされた状態で前記蓋部の重みが前記パッキンに加わり、前記通流孔部が閉状態となることを特徴とする排水栓。 A drain plug placed at the drain of the bathtub
A dish portion fitted to the drainage port and formed with a passage hole, and a dish portion.
A lid portion that is provided so as to cover the bathtub side of the dish portion , rotates around an axis that intersects the bottom surface of the bathtub, and opens and closes the flow hole portion according to the rotation position.
A packing arranged so as to surround the flow hole portion and
Equipped with a,
A ridge is partially formed on one of the facing surfaces of the dish and the lid, and a fitting portion to be fitted to the ridge is partially formed on the circumference centered on the axis. The drain plug is characterized in that the weight of the lid portion is applied to the packing in a state where the ridges are fitted to the fitting portion, and the flow hole portion is closed. 前記蓋部は、開状態において前記通流孔部に連通する貫通孔部を有し、
前記貫通孔部の開口面積が、前記貫通孔部の開口部分を除く前記蓋部における前記浴槽の内部に臨む面の面積よりも小さいことを特徴とする請求項１に記載の排水栓。 The lid portion has a through hole portion that communicates with the flow hole portion in the open state.
The opening area of the through hole portion, discharge valve according to claim 1, characterized in that less than the area of the surface facing the inside of the tub in the lid portion except the opening portion of the through hole. 前記凸条または前記嵌合部の端部が、高さ方向に傾斜するテーパ状に形成されていることを特徴とする請求項１または２に記載の排水栓。 The drain plug according to claim 1 or 2 , wherein the ridge or the end of the fitting portion is formed in a tapered shape that is inclined in the height direction.
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PCT/JP2018/001375 WO2018135578A1 (en) 2017-01-19 2018-01-18 Bathroom unit, method for constructing bathroom unit, and drain plug

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JPS612207Y2 (en) * 1978-04-30 1986-01-24
JPH11256650A (en) * 1998-03-12 1999-09-21 Taisei Corp Floor drainage hardware with rotary opening/closing device
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