WO2018105525A1

WO2018105525A1 - Wash-basin

Info

Publication number: WO2018105525A1
Application number: PCT/JP2017/043309
Authority: WO
Inventors: 善博吉澤; 守齋田; 励小島
Original assignee: 株式会社Ｌｉｘｉｌ
Priority date: 2016-12-06
Filing date: 2017-12-01
Publication date: 2018-06-14
Also published as: JP6814619B2; JP2018089263A; CN110049700A; DE112017006156T5; US20190323216A1

Abstract

This wash-basin comprises: a wash bowl part (11) and outer part (12) which is connected to the outer peripheral part of the wash bowl part (11) and the bottom edge of which is placed on a support member (20). At the joint between the outer peripheral surface (12c) of the outer part (12) and the outer edge (12i) of a placement part (12b) which is placed on the support member (20), a step part (12A) is formed so as to have a shape wherein the placement part (12b) side is recessed further towards the outer surface (11f) side of the wash bowl part (11) than the outer peripheral surface (12c). The step part (12A) is of a size which enables caulking with the support member (20).

Description

Washbasin

The present invention relates to a washbasin.
This application claims priority on December 06, 2016 based on Japanese Patent Application No. 2016-237150 filed in Japan, the contents of which are incorporated herein by reference.

2. Description of the Related Art Conventionally, as a vessel-type wash basin that is installed with a peripheral portion placed on a support member such as a counter, for example, a wash bowl as shown in Patent Document 1 and an outer periphery of the wash bowl are continuously provided. In addition, a configuration having an outer portion placed on a support member at a lower end portion is known.
For example, as shown in FIGS. 15A and 15B, in the Bessel type wash basin 100 as described in Patent Document 1, the use of the wash basin is provided between the counter 101 and the outer portion 100 A placed on the counter 101. In order to prevent intrusion of water at the time, for example, a caulking process is performed by applying a caulking material 102 made of silicon.

Japanese Unexamined Patent Publication No. 2005-87647

However, the above-described Bessel type washbasin has the following problems.
That is, as shown in FIG. 15A, there is a problem that the caulking processing trace provided at the boundary portion with the counter 101 in the outer portion 100A and the aging stain of the caulking material 102 are conspicuous.
In addition, when the basin 100 is made of earthenware, the glaze is coated on the outer peripheral surface of the basin 100, but the glaze flows downward due to its own weight during firing in the manufacturing process, and near the counter mounting portion of the outer portion 100A. The soot pool 103 was generated. Further, as shown in FIG. 15B, in the case of a ceramic basin, a burnt residue is generated in the counter mounting portion of the outer portion 100A at the time of firing, and the outer portion 100A jumps up by the unburned portion 104. There is a possibility of being placed in. As described above, since the appearance is deteriorated by the coking processing unit, the slag reservoir 103, the unburned portion 104, and the like, there is room for improvement in that respect.

Further, in the conventional washbasin, water is likely to accumulate at the boundary portion between the outer portion 100A where the coking treatment portion is applied and the counter 101, and this boundary portion becomes a portion that is easily contaminated. Accordingly, since it is necessary to secure a sufficient space for easily cleaning the boundary portion, the coking processing unit cannot be completely covered. Therefore, there is a need for a wash basin that can achieve a good balance between improving the appearance as described above and easily cleaning dirt adhering to the wash basin.

The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a basin that can improve the appearance quality by making the caulking processing portion at the boundary with the support member inconspicuous.

In order to achieve the above object, a basin according to the present invention is a basin installed in a state in which a peripheral portion is placed on a support member, and is provided continuously with a basin bowl portion and an outer peripheral portion of the basin bowl portion. And an outer portion placed on the support member at the lower end, and a connection portion between the outer surface of the outer portion and the periphery of the placement portion of the outer portion with the support member A step portion having a shape in which the placement portion side is recessed toward the outer surface side of the wash bowl portion rather than the outer surface is formed.

According to the washbasin according to the present invention, the boundary portion between the periphery of the mounting portion of the outer portion and the support member becomes the position on the outer face side of the wash bowl portion of the recess formed by the stepped portion, and the washbasin is used. It is a position hidden from the gaze of the person who performs. That is, since the coking process is performed on the boundary part, the coking process part becomes inconspicuous and the appearance quality can be improved.

Further, in the washbasin according to the present invention, the stepped portion may have a size capable of coking work with the support member.

In this case, when the caulking process is performed at the boundary between the outer portion and the support member in the step portion, for example, a finger or a spatula can enter the concave portion formed by the step portion to perform the caulking operation.

Further, in the washbasin according to the present invention, the wash bowl part and the outer part may be formed of earthenware, and a hollow part may be formed in the outer part.

In this case, a stepped portion can be formed by providing a hollow portion on the outer side. And by forming a hollow part, even if a rim is thin, it can be made hard to break.

Further, in the washbasin according to the present invention, the outer side is close to the inner side and the outer side that define the hollow part as they are directed upward, and the inner side and the outer side are contacted at the top. You may touch.

In the present invention, since the shape of the outer side tapers toward the top, a sharper design can be realized.

Further, in the washbasin according to the present invention, an inclined surface that is inclined downward toward the outer surface side of the wash bowl portion of the step portion is formed on the lower surface of the step portion facing the support member. Also good.

In the present invention, the glaze travels down the inclined surface of the step portion at the time of manufacture, and is the position of the side surface between the placement portion of the outer portion and the inclined surface of the step portion, and is hidden from the human line of sight A pit can be formed at the position.

The basin according to the present invention is a basin installed in a state where the peripheral portion is placed on the support member, and is provided continuously with the basin bowl portion and the outer peripheral portion of the basin bowl portion, and has a lower end. And an outer portion mounted on the support member at the portion, an overflow hole is formed in the wash bowl portion, a drainage channel is formed at a drain outlet of a bottom portion of the wash bowl portion, and the overflow hole The entire inner surface of the channel connected to the drainage channel is coated with glaze.

In the present invention, since the glaze coated on the inner surface of the flow path connected to the drainage channel from the overflow hole is smoothly finished, dirt is less likely to adhere to the inner surface of the flow path. In addition, the cleanability of the inner surface of the flow channel coated with the glaze is improved, and the attached dirt can be easily removed, so that the dirt is less noticeable.

According to the basin of the present invention, the caulking process or the like at the boundary between the basin and the support member becomes inconspicuous, and the appearance quality can be improved.

It is a perspective view which shows the state which installed the washbasin by embodiment of this invention in the support member. It is a perspective view which shows the whole washbasin structure shown in FIG. It is a top view of the washbasin shown in FIG. It is a perspective view which shows the bottom face structure of the washbasin shown in FIG. It is the perspective view which shows the bottom face structure of the washbasin shown in FIG. 1, Comprising: It is the figure seen from the angle different from FIG. It is the side view which looked at the washbasin from the near side. FIG. 3 is a cross-sectional view taken along line AA shown in FIG. It is the side view which looked at the washbasin of the state installed in the support member shown in FIG. 1 from the near side. It is a principal part enlarged view which shows the structure of the outer side part shown in FIG. It is a principal part enlarged view which shows the structure of the step part of the outer side part shown in FIG. FIG. 4 is a cross-sectional view taken along line BB shown in FIG. FIG. 5 is a sectional view taken along line CC shown in FIG. 4. It is a top view which shows the bottom face structure of the circular shaped washbasin by a modification. It is a sectional side view of the circular washbasin by a modification, Comprising: It is a figure corresponding to FIG. It is a principal part enlarged view which shows the mounting part of the conventional washbasin. It is a principal part enlarged view which shows the mounting part of the conventional washbasin.

Hereinafter, a washbasin according to an embodiment of the present invention will be described with reference to the drawings.

As shown in FIGS. 1 to 3, the washbasin 10 according to the present embodiment is configured to be supported on a support member 20 made of a counter or the like with a peripheral portion placed thereon.
In addition, in this embodiment, when a user is located in front of the washbasin 10, the side close | similar to a user is called a near side, and the side far from a user is called a back | inner side (opposite side of a near side). Moreover, the part which continues between the near side and back side of the washbasin 10 is called a side. Moreover, the left-right direction when the basin 10 is viewed from the front side is referred to as a width direction X1, and the front side and back directions are referred to as a front-rear direction X2.

The basin 10 is provided with a basin bowl part 11, an outer part 12 connected to the front side and both sides of the basin bowl part 11, and a rear side of the basin bowl part 11, that is, a mirror, a cabinet, and the like. And a back portion 14 provided with a fixing portion 15 provided on the wall 13 side and fixed to the support member 20. The basin 10 is made of earthenware, and the basin bowl part 11, the outer part 12, and the back part 14 are integrally formed.

The wash bowl portion 11 is formed in a substantially rectangular shape in plan view. Moreover, as shown in FIG. 2, the bottom face part 11a and the peripheral part 11b are formed continuously, and the inner side face 11c of the wash bowl part 11 is formed in the continuous concave shape. The peripheral edge part 11b is formed so as to rise steeply in all directions, and the top part 11d of the peripheral edge part 11b is continuously formed at a substantially constant height and in an annular shape.
A drainage port 11e is formed in the bottom surface part 11a, and is formed in a descending gradient from the peripheral edge part 11b to the drainage port 11e. An overflow hole 11g is formed in the center of the width direction X1 on the back side of the inner surface 11c of the wash bowl 11.

Further, as shown in FIG. 5, a drainage channel 11h is formed in the drainage port 11e of the bottom surface part 11a of the wash bowl portion 11, and an overflow channel 11i extending from the overflow hole 11g is connected to the drainage channel 11h. .
In addition, as for the washbasin 10, the ceramic surface of the wash bowl part 11, the outer side part 12, and the back part 14 is coat | covered with the glaze. Further, in this embodiment, the entire inner surfaces of the drain port 11e, the overflow hole 11g, the drain channel 11h, and the overflow channel 11i in the wash bowl portion 11 are also coated with the glaze. In the drainage channel 11h, the upper part of the overflow hole 11g is also covered with glaze.
As a glaze coating method in this case, for example, the drainage port 11e is closed and the glaze is filled from the overflow hole 11g to the drainage channel 11h, so that the entire inner surface of the overflow channel 11i can be coated. .

As shown in FIGS. 2, 3, and 6, the outer portion 12 is provided continuously on the front side and both sides of the wash bowl portion 11, and constitutes an edge of the wash basin 10. . The top portion 12d of the outer portion 12 is configured at the same position as the top portion 11d of the peripheral portion 11b of the wash bowl portion 11, and the inner side surface 12e of the outer portion 12 is the peripheral portion 11b (inner side surface 11c) of the wash bowl portion 11. ) And the same position. As shown in FIG. 1, the outer peripheral surface 12 c of the outer portion 12 is formed to be a substantially vertical surface when the basin 10 is installed on the support member 20. As shown in FIG. 7, a hollow portion 12 f is formed between the inner surface 12 e and the outer peripheral surface 12 c of the outer portion 12. Even if the outer peripheral surface 12c of the outer portion 12 is formed in the vertical direction, it has a gradient in either the direction approaching the wash bowl portion 11 side or the direction away from the wash bowl portion 11 side with respect to the vertical direction. You may do it. And the inner side surface 12e and the outer peripheral surface 12c which define the hollow part 12f in the outer side part 12 approach each other and contact | abut at the top part 12d as it goes upwards, and the whole outer side part 12 is formed continuously. Yes.
Here, as shown in FIG. 1, it is a peripheral edge of the wash bowl part 11, and is composed of a top part 11 d (12 d) of the wash bowl part 11, an upper part of the peripheral part 11 b, and an upper part of the outer peripheral face 12 c of the outer part 12. The portion corresponding to the rim 30 corresponds to the rim 30.

As shown in FIGS. 4, 5, and 7, a connecting portion 12 a integrated with the outer surface 11 f of the wash bowl portion 11 is formed at the lower end of the outer portion 12. A mounting portion 12b that is mounted on the support member 20 is formed in the connecting portion 12a. The mounting portion 12b is formed as a flat surface that protrudes slightly downward from the connecting portion 12a in a state where the mounting portion 12b is mounted on the support member 20. The placement portion 12b may be placed in direct contact with the support member 20, or may be placed via packing, caulking agent, or the like. Note that a recess may be formed at a position facing the mounting portion 12b on the upper surface of the support member 20, and the mounting portion 12b may be fitted into the recess.

As shown in FIGS. 6 and 7, the outer surface 11 f of the wash bowl portion 11 disposed on the support member 20 is not visible from the outside in a state where the placement portion 12 b is placed on the support member 20. The outer portion 12 is formed so as to cover the outer surface 11f. And in the outer part 12 in the connection part 17 of the outer peripheral surface 12c and the periphery 12i of the mounting part 12b, the mounting part 12b side is dented toward the outer surface 11f side of the wash bowl part 11 rather than the outer peripheral surface 12c. A step 12A having a shape is formed. As shown in FIGS. 8 to 10, the stepped portion 12A includes a stepped lower surface 12g facing the support member 20 in a state in which the washbasin 10 is placed on the support member 20, and an upper end from the outer end of the placement portion 12b. A stepped side surface 12h that extends toward the inner end of the stepped lower surface 12g. Note that the stepped lower surface 12g may be a horizontal surface or an inclined surface that is inclined downward toward the outer surface 11f side of the wash bowl portion 11 of the stepped portion 12A.

At the boundary between the step side surface 12h of the stepped portion 12A and the support member 20, a coking processing portion 23 to which a caulking material such as silicon for water stoppage is applied is provided. The boundary portion between the step side surface 12h and the support member 20 and the step side surface 12h are deeper than the outer peripheral surface 12c of the outer portion 12, and are usually below the line of sight of the user who uses the basin. Because it is located in, it is a hidden and inconspicuous part. That is, the caulking processing unit 23 provided at the boundary portion is also a portion that is difficult for the user to see.

In the stepped portion 12A, a caulking process is performed between the peripheral edge 12i of the mounting portion 12b and the support member 20. The size of the recess of the stepped portion 12A (the depth size of the stepped lower surface 12g and the height of the stepped side surface 12h) is such a size that a finger, a spatula, or the like can enter between the support member 20, and the caulking applied with the finger or the like. It is set to a size that allows caulking work to finish the material. The depth of the step lower surface 12g can be set to 10 mm, for example, and the height of the step side surface 12h can be set to 15 mm (13 mm at the minimum). The height of the step side surface 12h is not particularly limited, but is preferably 1.3 times or more the depth dimension (dimension in the width direction X1) of the step lower surface 12g.

In the present embodiment, the placing portion 12b is formed narrow along the outer side portion 12 continuously on the near side and both side sides of the wash bowl portion 11. Here, the width of the mounting portion 12b is set to 15 mm or less, for example.

As shown in FIGS. 2 to 5, the back portion 14 is integrally formed so as to be connected to the top portion 11d of the peripheral edge portion 11b of the wash bowl portion 11, and the back side, that is, the wall 13 side is formed at the height of the top portion 11d. An upper surface portion 14a extending downward, rear surface portions 14b1 and 14b2 extending downward from the back end of the upper surface portion 14a, and connecting portions 14d1 and 14d2 extending substantially horizontally from the lower ends of the rear surface portions 14b1 and 14b2, respectively. ing.

As shown in FIGS. 1 and 2, the upper surface portion 14 a of the inner portion 14 is provided with a faucet installation portion 14 c in which various faucets and drain valve operation portions are disposed at a substantially middle portion in the width direction. Yes. The faucet installation part 14c is provided between the fixing

parts

15A and 15B on both sides described later.

The back surface portions 14b1 and 14b2 are respectively formed on both sides of the wash bowl portion 11 as shown in FIGS. Connected portions 14d1 and 14d2 connected and integrated with the outer surface 11f of the wash bowl portion 11 are connected to the lower end of each back surface portion 14b.

The connecting portions 14d1 and 14d2 are formed in a plate shape extending in a substantially horizontal direction. The connecting portions 14d1 and 14d2 have mounting portions 14e1 and 14e2 that are mounted on the support member 20, and a fixing portion that is positioned above the mounting portions 14e1 and 14e2 and is attached with a fixing tool (not shown) such as a bolt. 15A and 15B are formed. The mounting portions 14

e

1 and 14 e 2 and the fixing

portions

15 A and 15 B are provided on the back side of the outer surface 11 f of the wash bowl portion 11. The placement portions 14e1 and 14e2 are formed to be flush with the placement portion 12b of the outer portion 12. Further, the end surfaces 14 f on both sides of the back portion 14 are formed flush with the outer peripheral surface 12 c of the outer portion 12.

The fixed portion 15A is formed in a flat plate shape at a position slightly spaced from the upper surface of the support member 20 in a state where the mounting portion 14e1 is mounted on the support member 20, and a long hole 15b1 is formed at the approximate center of the flat surface of the flat plate. Is formed. Similarly, the fixing portion 15B is formed in a flat plate shape, and a long hole 15b2 is formed at substantially the center of the flat surface of the flat plate.

Moreover, as shown in FIG.4 and FIG.5, in the lower surface side of the washbasin 10 of this embodiment, the peripheral part 11b connected with the outer peripheral part of the wash bowl part 11, and the boundary part of the wash bowl part 11 Grooves 16A, 16B1, and 16B2 are formed in the groove.
The first concave groove 16A is formed at the boundary between the placing portion 12b of the outer portion 12 and the outer surface 11f of the wash bowl portion 11, and is viewed from the front side of the wash bowl portion 11 to both sides in the width direction X1. It extends continuously in a C shape.
The second concave groove 16 B 1 is formed at a boundary portion between the placement portions 14 e 1 located on both sides in the width direction X 1 of the back portion 14 and the back side portion of the outer surface 11 f of the wash bowl portion 11. Similarly, the second concave groove 16B2 is formed at a boundary portion between the placement portions 14e2 located on both sides of the depth portion 14 in the width direction X1 and the depth portion of the outer surface 11f of the wash bowl portion 11. . The first concave groove 16 A is configured at the same position as the connecting portion 12 a of the outer side portion 12. Here, in the washbasin 10, the back part 14 forms a faucet mounting part. The back surface 14A of the faucet mounting portion is composed of mounting portions 14e1 and 14e2, a back surface 14g of the faucet installation portion 14c, and connecting portions 14d1 and 14d2.

As shown in FIG. 12, the first concave groove 16A and the second concave grooves 16B1 and 16B2 are entirely curved in a sectional view as viewed from the extending direction of the groove, and further, the wash bowl portion 11 and the mounting

portion

12b and 14e are connected through the curved surface 16a (see FIG. 11).
In the present embodiment, the groove widths and groove depths of the second concave grooves 16B1 and 16B2 are set to be larger than those of the first concave groove 16A.

As shown in FIG. 7, the support member 20 is provided with an attachment opening 21 for installing the washbasin 10. The attachment opening 21 has a shape that is covered from above by the wash basin 10 mounted at a predetermined position. As shown in FIG. 3, the attachment opening 21 is formed wider than the back opening 21a through which the pipe of the faucet arranged in the faucet installation part 14c is inserted, and the back opening 21a. A front opening 21b in which the wash bowl portion 11 is disposed.

As shown in FIGS. 3 and 7, the mounting portion 12 b provided at the lower end of the outer portion 12 of the basin 10 is provided on the front side and both sides of the front side opening 21 b on the upper surface of the support member 20. Is provided with an installation surface 22a. The installation surface 22a is provided continuously in a flat manner.
Further, as shown in FIG. 3, a mounting surface 22 b is formed at a position of the support member 20 that faces the fixing portions 15 A and 15 B of the washbasin 10. The attachment surface 22b is formed in a substantially flat surface that protrudes from both sides of the attachment opening 21 toward each other. In other words, the attachment surface 22b is formed so as to protrude inward from the end portions on both sides of the near-side opening 21b.

In order to install the basin 10 using such a support member 20, the basin 10 is disposed from the upper side with respect to the mounting opening 21, and the basin bowl portion 11 is disposed opposite to the front side opening 21b (partly). The faucet installation part 14c of the back part 14 is arrange | positioned on the back side opening part 21a. The mounting portion 12b provided at the lower end of the outer side portion 12 on the near side and the both side sides of the wash bowl portion 11 is placed on the installation surface 22a on the peripheral edge of the near side opening portion 21b. Moreover, it mounts so that the fixing | fixed part 15 provided in the width direction both sides in the depth side of the wash bowl part 11 may oppose the attachment surface 22b. And the washbasin 10 can be supported by the support member 20 by firmly supporting and fixing the washbasin 10 and the support member 20 using a fixture (not shown). Further, after that, a caulking material is applied to a boundary portion between the step side surface 12h of the step portion 12A of the outer portion 12 inside the step portion 12A and the support member 20, and a finger or a spatula is used for the applied caulking material. Finish by leveling.

Next, the operation of the washbasin 10 according to the present embodiment will be described.
In the wash basin 10 of this embodiment, as shown in FIGS. 1 to 5, the boundary part between the peripheral edge 12i of the mounting part 12b of the outer part 12 and the support member 20 is a wash face of a recess formed by the step part 12A. Since it is located on the outer surface 11 f side of the bowl portion 11, it is a position hidden from the line of sight of the person using the basin 10. That is, since the coking process is performed on the boundary portion, the coking processing unit 23 becomes inconspicuous and the appearance quality can be improved.
Moreover, since the soot pool and the unburned portion generated during firing are located inside the stepped portion 12A, there is an advantage that it is not conspicuous from the outside.

Further, in the present embodiment, since the concave portion is formed by the step portion 12A, it is possible to clean the internal dirt using the space of the concave portion.
In addition, by providing the stepped portion 12A, it is possible to suppress the spread of the unburned residue due to thermal deformation during firing, the deformation of the mounting portion 12b of the outer portion 12 can be prevented, and the appearance quality can be improved. be able to.

Moreover, in the washbasin 10 of this embodiment, the caulking process is performed between the periphery 12i of the mounting part 12b and the supporting member 20 in the step part 12A. That is, since the stepped portion 12A is sized so as to allow caulking work, when the caulking process is performed on the boundary between the outer portion 12 and the support member 20 in the stepped portion 12A, for example, a finger is placed in the recess formed by the stepped portion 12A. Caulking work can be performed by entering a spatula or a spatula.

Furthermore, in this embodiment, the wash bowl part 11 and the outer part 12 are formed of earthenware, and the outer part 12 is formed with a hollow part 12f, so that a step part 12A can be formed. By forming the hollow portion 12f, it is possible to make it difficult to break even if the rim 30 is thin.

Further, in the basin of the present embodiment, the inner side surface 12e and the outer peripheral surface 12c in which the outer portion 12 defines the hollow portion 12f approach each other upward, and the inner side surface 12e and the outer peripheral surface 12c are formed at the top portion 12d. Come into contact with each other and become tapered toward the top 12d, so that a sharper design can be realized.

In the wash basin 10 of the present embodiment, when the stepped lower surface 12g of the stepped portion 12A is formed with an inclined surface that is inclined downward toward the outer surface 11f side of the washable bowl portion 11 of the stepped portion 12A, At the time of manufacture, the glaze traveled in the direction of going down the stepped lower surface 12g of the stepped portion 12A, and the position of the stepped side surface 12h between the placing portion 12b of the outer portion 12 and the stepped lower surface 12g was hidden from human eyes. A pit can be formed at the position.

Furthermore, in this embodiment, since the glaze coated on the inner surface of the overflow channel 11i connected to the drainage channel 11h from the overflow hole 11g of the wash bowl portion 11 is smoothly finished, the inner surface of the overflow channel 11i is contaminated. Becomes difficult to adhere. In addition, the cleanability of the inner surface of the flow channel coated with the glaze is improved, and the attached dirt can be easily removed, so that the dirt is less noticeable.

Thus, according to the wash basin 10 of the present embodiment, the caulking processing portion 23 and the like at the boundary portion between the wash basin 10 and the support member 20 become inconspicuous, and the appearance quality can be improved.

As mentioned above, although embodiment of the washbasin by this invention was described, this invention is not limited to said embodiment, In the range which does not deviate from the meaning, it can change suitably.

For example, in the present embodiment, the example in which the wash bowl portion 11 has a substantially square shape in plan view has been described, but the shape of the wash bowl portion 11 is not particularly limited, and for example, a circular shape, a semicircular shape, a polygonal shape, and the like in a plan view. Even so, the present invention is equally applicable.
For example, according to the modification shown in FIGS. 13 and 14, the washbasin 10A has a circular shape in plan view, and has a substantially semicircular wash bowl portion 11A and a faucet mounting portion on the back side of the wash bowl portion 11A. The inner part 14 which has is provided. The wash basin 10A according to this modification is of a type that does not abut against the wall, and a step portion 12A is formed over the entire circumference on the outer peripheral surface 12c of the outer portion 12 having the hollow portion 12f. Further, on the lower surface side of the wash basin 10A of the present modification, at the boundary portion between the peripheral edge portion (the mounting portion 12b of the outer side portion 12) connected to the outer peripheral portion of the wash bowl portion 11A and the wash bowl portion 11 A concave groove 16A (concave portion) is formed.

In the present embodiment, the first concave groove 16A is continuously provided on the outer surface 11f of the wash bowl portion 11, but may be partially provided. Furthermore, in this embodiment, although it has set as the structure which provides both the 1st ditch | groove 16A and the 2nd ditch | groove 16B, you may be either one. Furthermore, the structure which does not provide the ditch | groove 16A, 16B may be sufficient.

Further, the material of the basin 10 is not limited to being made of earthenware as in this embodiment, and may be a basin made of resin. In addition, when setting it as a resin washbasin, it can be set as the outer part 12 which does not have the hollow part 12f, and a sharper design can be implement | achieved.

Furthermore, in the present embodiment, the wash basin 10 whose peripheral portion is supported by the support member 20 such as a counter is the object, but the back surface portion 14b is not mounted on the support member 20 but the wall having a vertical surface. A basin having a structure to be attached may be used. In this case, the stepped portion 12A formed on the outer portion 12 does not contact the support member 20, and there is no effect that the above-described caulking processing portion becomes inconspicuous, but the stepped portion is easily cleaned. Can do.

In addition, the constituent elements in the above-described embodiments can be appropriately replaced with known constituent elements without departing from the gist of the present invention.
Further, the present invention is not limited by the above description, and is limited only by the appended claims.

According to the basin of the present invention, the caulking process or the like at the boundary portion between the basin and the support member becomes inconspicuous, and the appearance quality can be improved.

DESCRIPTION OF SYMBOLS 10 Washing machine 11 Washing bowl part 11b Peripheral part 11c Inner side surface 11f Outer side surface 12 Outer part

12A Step part

12a Connection part

12b Mounting part 12c Outer peripheral surface 12g Step lower surface 12h Step side surface 12i Peripheral part 14 Back part 14c Water faucet installation part

14d Connection Part

14e mounting part 15 fixing part 16A first concave groove 16B second concave groove 17 connection part 20 support member 23 caulking processing part 30 rim

Claims

A basin installed in a state where the peripheral portion is placed on the support member,
The wash bowl part,
And provided continuously with the outer peripheral portion of the wash bowl portion, and an outer portion placed on the support member at the lower end,
In the connecting portion between the outer surface of the outer portion and the periphery of the mounting portion of the outer portion with the support member, the mounting portion side is directed toward the outer surface side of the wash bowl portion rather than the outer surface. A basin with a recessed step.
The basin according to claim 1, wherein in the stepped portion, a caulking process is performed between a peripheral edge of the mounting portion and the support member.
The wash bowl part and the outer part are formed of earthenware,
The basin according to claim 1 or 2, wherein a hollow portion is formed in the outer portion.
The basin according to claim 3, wherein the outer side is close to the inner side and the outer side that define the hollow part as they go upward, and the inner side and the outer side abut at the top.
The inclined surface which becomes a downward slope toward the outer surface side of the said wash bowl part in the said step part is formed in the lower surface facing the said supporting member in the said step part. The basin according to item 1.
A basin installed in a state where the peripheral portion is placed on the support member,
The wash bowl part,
And provided continuously with the outer peripheral portion of the wash bowl portion, and an outer portion placed on the support member at the lower end,
An overflow hole is formed in the wash bowl part, and a drainage channel is formed at the drain outlet of the bottom part of the wash bowl part,
A basin in which the entire inner surface of the flow path connecting from the overflow hole to the drainage channel is coated with glaze.