JP3319962B2 - Bathroom vanity - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dressing table and, more particularly, to a drainage fitting attached to a drainage hole of a sink.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG.
There is known a vanity table in which a drain hole 2 is provided in a bottom portion 1a of the base and a drain metal fitting 3 'is attached to the drain hole 2. This type of drainage fitting 3 ′ includes a drainage fitting main body 4 ′ having an upper end brim 4 a substantially flush with the drainage hole surface 2 a, and a drainage fitting movably attached to the drainage fitting main body 4 ′. The drain plug 5 is substantially flush with the drain hole surface 2a and comes into contact with the inner peripheral surface of the flange portion 4a of the drain fitting main body 4 'to stop water (see FIG. 4). State), and the drainage plug 5 is raised to a high position away from the flange portion 4a of the drainage fitting 3 'to be in a drained state (state in FIG. 5).
In the figure, reference numeral 25 denotes a cable guide for accommodating a cable for vertically operating the drain plug 5, reference numeral 10 denotes a connecting pipe connected to the drain fitting main body 4 ', and reference numeral 30 denotes a drain pipe connected to the connecting pipe 10. It is.

[0003]

However, in the conventional drain fitting 3 ', the flange 4a of the drain fitting body 4' is
Irrespective of the water stoppage state and the drainage state of the drain plug 5, it is exposed on the bottom surface 1 a of the basin 1, and the flange 4 a itself constitutes a part of the bottom surface 1 a of the basin 1. For this reason, dirt such as residual water and scale is accumulated in the flange portion 4a of the drainage fitting main body 4 '.
There was a problem that it became unsightly due to exposure to water and the number of times of cleaning increased. Moreover, when drain plug 5 is drained,
When the drain plug 5 becomes higher than the bottom 1a of the basin 1 and, for example, a container such as a bucket is placed on the bottom 1a of the wash basin 1, the container becomes unstable due to the projecting drain plug 5; There was also a problem that it became difficult to use.

The present invention has been made in view of the above points, and it is possible to prevent the upper end portion of the drain fitting main body from being exposed to the bottom portion of the washbasin regardless of the water stoppage state and the drainage state of the drain plug. In addition, the present invention provides a vanity table in which dirt such as residual water and scale can be prevented from accumulating around a drain hole of a wash bowl, and furthermore, a drain faucet can be prevented from protruding above a bottom portion of the wash bowl. In addition, it is an object of the present invention to provide a vanity that can further enhance the water stopping performance of a drain cock, and furthermore, a vanity that can easily attach a drain fitting to a drain hole. The purpose is to provide.

[0005]

In order to solve the above-mentioned problem, the present invention is directed to a drainage hole 3 provided in a bottom surface 1a of a washbasin 1, and a drainage fitting 3 is provided. 2, a drain fitting main body 4 whose upper end is disposed below the drain hole surface 2 a and is vertically movably attached to the drain fitting main body 4. And the inner periphery of the upper end side of the drain hole 2
The surface is a tapered surface whose inner diameter increases toward the drain hole surface 2a.
2b and the upper end side of the drain metal body 4
Inner surface is inclined in the same direction as the tapered surface 2b of the drain hole 2.
The drainage hole 2 is formed of a tapered surface 4b.
b and the tapered surface 4b of the drain fitting main body 4 are substantially flush with each other.
The drain plug 5 is lowered to a position below the drain hole surface 2a and above the upper end of the drain fitting main body 4 in a water-stopped state, and the outer end 5a of the drain plug 5 becomes the inner periphery of the drain hole 2. A water passage 6 between the outer end 5a of the drain plug 5 and the inner peripheral surface of the drain hole 2 by rising to a level substantially flush with the drain hole surface 2a in the drain state. With this configuration, the upper end of the drain fitting main body 4 is not exposed to the bottom surface 1a of the basin 1 regardless of whether the drain plug 5 is in the water stopped state or the drained state. There is no portion around the drain hole 2 where dirt such as residual water and scale remains, so that discomfort can be eliminated. Even when the drain plug 5 is drained, the drain plug 5 is substantially flush with the drain hole surface 2a. Since it is at the same height, it is substantially flush with the bottom surface 1a of the basin 1 and, for example, The container of buckets or the like can be placed in a stable state to one of the bottom portion 1a.

Further, since the tapered surface 2b of the drain hole 2 and the tapered surface 4b of the drain metal body 4 are continuous, dirt such as residual water and water scale hardly accumulates at the upper end of the drain metal body 4, thereby causing discomfort. In addition, since the drain plug 5 closes to the tapered surface 2b of the drain hole 2 in the water stop state and stops the water, the water stop performance is improved and the upper end 4a of the drain metal body 4 is stopped. Irrespective of whether it is in a water state or a drained state, it is located below the drain plug 5, so that the upper end 4a of the drain fitting main body 4 is hidden by the drain plug 5 to make the appearance of the drain hole 2 clear. be able to.

An engaging portion 1b with which the upper end of the drain fitting body 4 engages is provided at a position lower than the drain hole face 2a on the inner peripheral surface of the drain hole 2 so as to protrude. A pipe connection part 7 connected to the pipe is provided at the center, and a screw part 8 for screwing the drain metal body 4 to the washbasin 1 from below is provided at a lower part of the drain metal body 4. 9 is provided, and in this case, the upper end portion of the drainage fitting main body 4 and the engaging portion 1 of the washbasin 1 are provided.
The drainage fitting 3 can be easily attached to the drainage hole 2 by the engagement with the drainage fitting 2 and the screwing operation of the screw 8 to the screw portion 9 of the drainage fitting main body 4.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below. As shown in FIG. 1, a drain bowl 2 is provided on a bottom surface 1a of a washbasin 1. The upper end side of the inner peripheral surface of the drain hole 2 is formed by a tapered surface 2 b whose inner diameter increases toward the drain hole surface 2 a, and this tapered surface 2 b serves as a receiving surface of the outer end 5 a of the drain plug 5. ing. Tapered surface 2b
Is formed by a straight cylindrical surface 4c.
At the lower end, an inward flange-shaped engaging portion 1b protrudes toward the inside of the drain hole 2, and a flange portion 4a of a drain fitting body 4 described later engages with the engaging portion 1b. It is possible.

A drain fitting 3 is accommodated in the drain hole 2. The drainage fitting 3 includes a drainage fitting body 4 and a drainage plug 5 that is attached to the drainage fitting body 4 so as to be vertically movable. The drain metal body 4 is vertically penetrated and housed inside the drain hole 2, and a flange 4 a provided at the upper end of the drain metal body 4 is disposed below the drain hole surface 2 a. . In this embodiment, the inner peripheral surface of the flange portion 4a of the drain metal body 4 is formed by the tapered surface 2b of the drain hole 2.
And a tapered surface 2b of the drain hole 2 and a tapered surface 4b of the drain fitting body 4.
Are substantially flush with each other, so that it is difficult for dirt such as residual water and water scale to accumulate in the flange portion 4a of the drain metal main body 4.

The drain plug 5 is provided with a flange 4 a of the drain fitting body 4.
And the inner diameter of the drain hole surface 2a of the drain hole 2 is smaller than the inner diameter of the drain hole 2a.
At a lower position and above a flange portion 4a of the drain fitting main body 4, the outer end portion 5a of the drain plug 5 comes into contact with the tapered surface 2b of the drain hole 2 to be in a water-stop state, Further, in the drainage state, the water passage 6 is formed between the outer end 5a of the drain plug 5 and the tapered surface 2b of the drain hole 2 by rising to a height substantially flush with the drain hole surface 2a. I have.

On the lower surface of the drain plug 5, as shown in FIG.
A shaft 16 is provided vertically, and a two-stage upper and lower hair catcher 17 is provided at the center of the shaft 16 for catching hair and dust flowing to the drain hole 2, and a drain fitting is provided at a lower end of the shaft 16. A drain plug supporting member 18 that is vertically movably housed inside the main body 4 protrudes, and a lower surface of the drain plug supporting member 18 is a contact surface with a cable 19 described later.

The drain fitting body 4 is formed in a substantially cylindrical shape.
From the upper end to the lower end, the flange 4a, the opening 50 for guiding the overflow water in the wash basin 11 into the drain fitting main body 4, and the pipe connecting part 7 provided with the drain 51 on the side face are connected. A screw portion 9 to which a screw 8 such as a tightening nut for screwing the pipe 10 to the pipe connection portion 7 of the drainage fitting main body 4 is screwed from below, and an attachment portion 31 to which the drainage plug driving member 14 is attached are arranged in this order. Is formed. In addition,
The connecting pipe 10 is formed of a T-shaped pipe including a vertical cylindrical part 10a which is opened vertically and opened to the side, and a horizontal cylindrical part 10b which is connected to the opening of the side of the vertical cylindrical part 10a. It is rotatably mounted on the connection part 7. The drain plug driving member 14 includes a screw cylinder 23 screwed from below into a female screw portion of the mounting portion 31 of the drain metal fitting body 4, and a flange 24 protruding from a lower end outer periphery of the screw cylinder 23.
The tip of the cable guide 25 is attached to the lower surface of the cable guide 25. The cable 19 is stored in the cable guide 25,
The proximal end of the cable 19 is connected to an operating lever (not shown), and the distal end of the cable 19 passes through the inside of the screw cylinder 23 and abuts on the lower surface of the drain plug supporting member 18. 2 in the figure
Reference numeral 6 denotes a retaining portion for retaining the cable 19 from the screw cylinder 23.

When the drainage fitting 3 is attached to the drainage hole 2, the drainage fitting body 4 is inserted into the drainage hole 2 from above, and the flange 4 a of the drainage fitting body 4 is fitted to the drain hole surface 2 a of the wash bowl 1. It is engaged with the engaging portion 1b provided at a lower position. After that, the pipe connection portion 7
After inserting the vertical cylindrical portion 10a of the connecting pipe 10 into the pipe 10 and subsequently inserting the packing 30 having a trapezoidal cross section, the tightening nut 8 is tightened and fixed to the screw portion 9 provided at the lower portion of the drainage metal fitting main body 4. By the engagement between the flange portion 4a of the drain metal body 4 and the engaging portion 1b of the wash basin 1 and the tightening operation of the screw portion 9 and the tightening nut 8 of the drain metal body 4, the drain hole of the wash basin 1 is formed. The drainage fitting 3 can be easily assembled with the drainage pipe 2 together with the drainage pipe. Incidentally, reference numerals 52 and 53 in FIG. 1 denote sealing agents.

When the operating lever is operated, the cable 19 is pushed, and the distal end 19a of the cable 19 pushes up the drain plug supporting member 18, and the drain plug 5 rises to form the water passage 6, so that the water passage 6 is formed. Water is drained from the water passage 6 to the drain pipe 4 via the connecting pipe 10. on the other hand,
When the operation of the operation lever is released, the cable 19 is pulled, and the drain plug 5 is lowered to be in a water-stop state.
Can be filled with water.

Here, the flange 4a of the drain metal body 4 which is vertically penetrated and stored in the drain hole 2 is disposed below the drain hole surface 2a of the wash bowl 1, and the collar of the drain metal body 4 is disposed. Since the drain plug 5 is configured to open and close at a position above the portion 4a, the flange portion 4a of the drain fitting main body 4 is attached to the bottom portion 1a of the wash bowl 1 regardless of whether the drain plug 5 is in a water-stop state or a drain state. No exposure. That is, since the flange portion 4a of the drain fitting main body 4 does not form a part of the bottom surface portion 1a of the basin 1, there is no portion around the drain hole 2 of the basin 1 where dirt such as residual water and scale is accumulated. Discomfort can be eliminated. Moreover, the drain plug 5 is connected to the drain hole surface 2.
a, the water passage 6 is located between the outer end 5a of the drain plug 5 and the tapered surface 2b of the drain hole 2.
Is formed, the drain plug 5 is connected to the bottom 1a of the toilet bowl.
Can be drained without projecting upward, and the bottom surface 1a of the basin 1 and the drain plug 5 are substantially flush with each other.
a, a container such as a bucket can be placed in a stable state,
Usability is improved.

The inner peripheral surface on the upper end side of the drain hole 2 is formed by a tapered surface 2b whose inner diameter increases toward the drain hole surface 2a, and the inner peripheral surface on the upper end side of the drain fitting body 4 is formed by the drain hole 2 Is formed by the tapered surface 4b inclined in the same direction as the tapered surface 2b of the drainage fitting main body 4, it becomes difficult for dirt such as residual water and scale to accumulate on the flange portion 4a of the drainage fitting main body 4. In addition, since the drain plug 5 is in a water-stop state, the outer end 5a of the drain plug 5 is in close contact with the tapered surface 2b of the drain hole 2 to stop the water. The upper end 4a of the drain metal body 4 is hidden by the drain plug 5 because the flange 4a is located below the drain plug 5 irrespective of whether the water is stopped or drained. 2 can make the appearance clear.

[0017]

As described above, according to the first aspect of the present invention, the drainage fitting is attached to the drainage hole provided on the bottom portion of the washbasin, and the drainage fitting is provided inside the drainage hole. a drain fitting body upper portion while being housed in a vertically penetrating is disposed at a lower position than the drain hole surface, and a discharge valve mounted to be movable up and down relative to the drainage metal fitting body, the drain hole The inner peripheral surface on the upper end side of
It is formed of a tapered surface with a large inside diameter and
The inner peripheral surface on the upper end side of the water fitting body is the same as the tapered surface of the drain hole.
It is formed with a tapered surface inclined in
And the tapered surface of the drain fitting body are almost flush with each other.
The drain plug is stopped in a water-stopped state, at a position below the drain hole surface and above the upper end of the drain fitting body, so that the outer end of the drain plug abuts the inner peripheral surface of the drain hole, and the drain plug is in a drainage state. And rises to a height approximately flush with the drain hole surface, forming a water passage between the outer end of the drain plug and the inner peripheral surface of the drain hole. By disposing the upper end of the drain fitting main body to be stored below the drain hole surface of the washbasin and opening and closing the drain plug above the upper end of the drain fitting main body, the water stop state of the drain plug and Irrespective of the state of drainage, the upper end of the drain fitting main body is not exposed to the bottom of the washbasin. In other words, since the upper end of the drainage fitting does not form part of the bottom of the washbasin,
Around the drain hole of the washbasin, there is no portion in which dirt such as residual water and scale is accumulated, and discomfort can be eliminated.
The tapered surface of the drain hole and the tapered surface of the drain fitting body are almost flush.
To the flange of the drain fitting body.
It is difficult for dirt such as residual water and scale to accumulate. In addition, when the drain cock is raised to the same height as the drain hole surface, a water passage is formed between the outer end of the drain cock and the tapered surface of the drain hole. Drainage can be performed in a state where the bottom of the washbasin does not protrude upward, and the bottom of the washbasin and the drain cock are substantially flush with each other, so that a container such as a bucket can be stably placed on the bottom of the washbasin. It can be placed and the usability is improved.

Further, since the tapered surface of the drain hole and the tapered surface of the drain fitting body are continuous with each other, dirt such as residual water and scale is less likely to accumulate at the upper end of the drain fitting body, thereby eliminating discomfort. . In addition, since the drain plug closes to the tapered surface of the drain hole in the water stop state to stop water, the water stop performance is enhanced, and whether the upper end of the drain fitting body is in the water stop state or in the drain state. Regardless, it is located below the drain plug, and the upper end of the drain fitting body is hidden by the drain plug, so that the appearance of the drain hole is further improved.

According to a second aspect of the present invention, an engagement portion with which an upper end portion of the drain fitting body engages is protruded at a position lower than the drain hole surface on the inner peripheral surface of the drain hole according to the first aspect. A pipe connection portion connected to a pipe is provided at a substantially central portion in the vertical direction of the fitting body, and a screw for attaching the drain fitting body to the washbasin side is screwed into a lower portion of the drain fitting body from below. Claim 1 because the screw portion is provided.
In addition to the effects described, after inserting the drain fitting body into the drain hole from above, and engaging the upper end of the drain fitting body with the engaging portion provided below the drain hole surface of the wash bowl, The pipe is connected to the pipe connection part from below the drain fitting body, and then the screw is fixed to the screw part provided at the lower part of the drain fitting body from below. A pipe such as a drain pipe can be easily assembled between the two, and the piping work can be simplified.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a drainage state of a drainage plug according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a water stop state of the drain plug according to the first embodiment.

FIG. 3 is an exploded perspective view of the drainage fitting.

FIG. 4 is a cross-sectional view showing a water stop state of a conventional drain plug.

FIG. 5 is a sectional view showing a drainage state of a conventional drain plug.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Washing bowl 1a Bottom part 1b Engaging part 2 Drain hole 2a Drain hole surface 2b Taper surface 3 Drain metal fitting 4 Drain metal fitting body 4b Tapered surface 5 Drain plug 5a Outer end part 6 Water passage 7 Pipe connection part 8 Screw part 9 Screw part

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E03C 1/23 E03C 1/22

Claims (2)

(57) [Claims] 1. A drainage fitting is attached to a drainage hole provided in a bottom surface portion of a wash bowl, and the drainage fitting is vertically penetrated into the drainage hole, and has an upper end portion lower than the drainage hole surface. A drain fitting body is disposed at a position, and a drain plug is attached to the drain fitting body so as to be vertically movable. The inner peripheral surface on the upper end side of the drain hole has an inner diameter toward the drain hole surface.
Is formed with a tapered surface that increases
The inner peripheral surface on the upper end side of the tool body is in the same direction as the tapered surface of the drain hole.
It is formed with an inclined tapered surface, and the tapered surface of the drain hole
And the tapered surface of the drain fitting body are
When the drain plug is in a water-stopped state, it is lowered to a position below the drain hole surface and above the upper end of the drain fitting body so that the outer end of the drain plug abuts the inner peripheral surface of the drain hole, and the drain plug is drained. A vanity stand which rises to a height substantially flush with a drain hole surface to form a water passage between an outer end portion of the drain plug and an inner peripheral surface of the drain hole. 2. An inner peripheral surface of a drain hole which is lower than a drain hole surface.
The engaging part that the upper end of the drain fitting body engages
At the approximate vertical center of the drain fitting body,
Pipe connection is provided, and the drainage fitting body
At the bottom of the drainage bracket to attach to the wash bowl side
The vanity unit according to claim 1, further comprising a threaded portion to which said screwing tool is screwed from below .