JPH09189061A - Mounting method and structure for drain tap for bathtub - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the piping removing operations in association with the drain tap removing works when necessity for removing drain tap or piping has arisen after mounting. SOLUTION: The arrangement according to the invention includes a bahtub side draining cylinder 5 installed at a drain port 2 and a drain pipe side draining cylinder 7 installed below a bathtub unit and connected with a drain pipe, wherein the bathtub side draining cylinder 5 is configured with a cylinder body 5a inserted in the drain port 2 and provided with a male threaded part 5c at the peripheral surface of the under-part and a rib 5b to be contacted with the periphery of the drain port 2 formed at the top edge of the cylinder body 5a. The drain pipe side draining cylinder 7 is composed of a body 7a furnished with a female threaded part 7b at the inside circumferential surface of the over-part and a bearing box 8 attached fast to the inside circumferential surface of the body 7a, and the bathtub unit is installed in such an arrangement that the drain port 2 is opposing to the draining cylinder 7 in connection with a trap 6, and to the drain port 2 the body 5a of the cylinder 5 is inserted from inside the bathtub, and the male part 5c is engaged by the female part 7b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure and a mounting method of a drain plug for a bath, which allows remote opening and closing of a drain valve for closing a drain of a bath unit or the like.

[0002]

2. Description of the Related Art Various structures of so-called push-type drain plugs for bathtubs, which are capable of opening and closing drainage valves for closing drainage ports of bathtub units and the like by remote control, have been proposed in the past. -197502, JP-A-7-216953, etc.).

These push-type drain plugs are, as shown in FIG. 5, a bathtub-side drain pipe 52 attached to a drainage port 51 of a bathtub, and a drain pipe for connecting the bathtub-side drain pipe 52 and a drain pipe (not shown). The drainage box 53 is provided, and the bearing box 55 for opening and closing the drainage valve 54 is attached and fixed to the bathtub-side drainage tube 52.

For this reason, the push-type drain plug having such a structure is attached to the drain port 51 by installing the bath-side drain pipe 52, to which the bearing box 55 is attached, from the inside of the bath to the drain port 5.
After inserting it into No. 1, the drain pipe side drain pipe 53 is fitted to the bathtub side drain pipe 52 from the lower side of the bathtub installed at a predetermined position.

That is, the bearing box 55 is the drainage tube 52 on the bathtub side.
Therefore, the drain pipe side drain pipe 53 needs to be attached to the bathtub side drain pipe 52 from the lower side of the bathtub.

This means that when the push type drain plug or the pipe is to be removed for some reason, the worker has to go under the bathtub to perform the work.

[0007]

That is, in the conventional push type drain plug, there is a problem that the removal work becomes extremely difficult when it becomes necessary to remove the drain plug or the pipe due to maintenance after installation. It was

The present invention was devised to solve the above problems, and its purpose is to provide a pipe related to the drain plug removal work when it becomes necessary to remove the drain plug or the pipe due to maintenance after installation. An object of the present invention is to provide a mounting structure and a mounting method for a bathtub drain plug, which enables easy removal work of the.

[0009]

In order to solve the above-mentioned problems, a mounting structure for a bathtub drain plug according to claim 1 of the present invention comprises a bathtub-side drain pipe attached to a drainage port of a bathtub and a lower side of the bathtub. A drain pipe side drain pipe connected to the drain pipe, and the bathtub side drain pipe is inserted into the drain port and a barrel main body having a male screw portion formed on a lower outer peripheral surface thereof; It is formed with an annular rib piece that is formed on the upper edge of the cylinder body and is in contact with the periphery of the drainage port on the bottom surface of the bathtub, and the drainage pipe side drainage cylinder has an internal thread portion formed on the upper inner peripheral surface. The drain body is formed of a cylinder body and a bearing box for opening and closing the drain valve, which is attached and fixed to the inner wall surface of the cylinder body, and the drain pipe is connected to the drain pipe. The bathtubs are arranged so as to face each other, and the main body of the drainage pipe on the bathtub side It is inserted from the inside of the bathtub to the drain outlet, in which the male screw portion is screwed into the internal thread portion.

According to a second aspect of the present invention, there is provided a bathtub faucet mounting method, wherein a bathtub-side drain pipe attached to a drainage port of the bathtub and a drain pipe disposed below the bathtub. A drain pipe side drain pipe, wherein the bathtub side drain pipe is inserted into the drain port and has a male body formed with a male screw portion on a lower outer peripheral surface thereof; The drain pipe side drain pipe is formed of an annular rib piece that is in contact with the periphery of the drainage port on the bottom surface, and the drain pipe side drain pipe has a female body portion formed on the inner peripheral surface of the upper portion, and an inner wall surface of the tubular body. It is formed with a bearing box for opening and closing the drain valve that is fixedly attached, and the drain pipe side drain cylinder connected to the drain pipe is arranged with a bathtub so that the drain port is opposed to the drain pipe. After that, attach the tube main body of the bathtub side drain tube to the drain port of the bathtub. By rotating inserted from the side, in which is screwed the externally threaded portion of the bathtub-side drainage tube into the internal thread portion of the drain pipe side drain tube.

According to a third aspect of the present invention, in the bathtub drain plug mounting structure and mounting method, a finger or a tool is locked to the drain pipe side drain pipe in order to rotate the drain pipe side drain pipe. A locking portion is provided.

According to a fourth aspect of the present invention, in the attachment structure and the attachment method for the bathtub drain plug, the engaging portion is a protrusion formed on the inner peripheral surface of the cylinder body.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a vertical sectional view including a partial plan view showing a mounting structure for a bathtub drain plug according to the present invention, and FIG. 2 is a vertical sectional view showing a state in which the bathtub drain plug according to the present invention is disassembled into parts. 3 is a longitudinal sectional view of the entire bath unit including the drain plug for bath according to the present invention.

The drain plug for a bath according to the present invention is a bath unit 1
Is a push-type drain plug that can remotely open and close the drain valve 3 that closes the drain port 2 formed on the bottom surface 1a of the base plate 1a.
It is composed of a drain pipe side drain pipe 7 which is disposed below the bottom surface 1 a of the bathtub unit 1 and is connected to the trap 6.

The bath-side drain pipe 5 is composed of a cylinder body 5a to be inserted into the drainage port 2 and a rib-shaped rib piece 5b formed on the upper edge of the cylinder body 5a. A male screw portion 5c is formed on the outer peripheral surface of the lower portion.

The rib piece 5b is a portion that abuts on the annular step portion 1b formed around the drainage port 2, and the periphery of the drainage port 2 that is the abutting surface is covered by a rubber packing or the like. Material 19
Is attached (see FIG. 4).

Further, on the inner peripheral surface 5d of the cylinder body 5, a locking projection 5e for locking the tightening jig 18 (see FIG. 4) for rotating the bath-side drain cylinder 5 is provided in the circumferential direction. They are provided at four locations at equal intervals.

The drain pipe-side drain cylinder 7 is a cylinder body 7a connecting the bathtub-side drain cylinder 5 and the trap 6, and the cylinder body 7a.
It is formed by a bearing box 8 for opening and closing the drainage valve 3, which is attached and fixed to the inner wall surface of a by a support rod 9, and an internal thread portion 7b is formed on the inner peripheral surface of the upper portion of the cylinder body 7a. .

The tubular body 7a is provided with a laterally extending small-diameter tubular portion 7c at an appropriate position on its inner peripheral surface. The small-diameter tubular portion 7c and the washing place unit 10 are provided. The operation button 11 is connected by a waterproof tube 12. A wire 13 that connects the operation button 11 and the bearing box 8 is arranged in the waterproof tube 12.

The internal structure of the bearing box 8 is a well-known technique in the prior art, and is disclosed in Japanese Patent Laid-Open No. 7-197.
No. 502 and Japanese Patent Laid-Open No. 7-216953 can be used, so detailed illustration and description thereof will be omitted here.

Then, the drainage pipe side drain pipe 7 connected to the trap 6 is arranged so that the drainage port 2 faces the bathtub unit 1.
1a of the bottom of the bath is disposed, and the main body 5a of the drain 5 on the bathtub side
Is inserted into the drainage port 2 from the inside of the bathtub, and the male screw portion 5c of the bathtub-side drain pipe 5 becomes the female screw portion 7b of the drain pipe-side drain pipe 7.
It has a structure screwed to.

Next, a method of attaching the bathtub drain plug having the above-described structure will be described.

First, connect the trap 6 to the drain pipe 15,
A drain pipe side drain pipe 7 is connected to the trap 6. next,
A wire for connecting the operation button 11 provided in the washing place unit 10 and the small-diameter cylinder portion 7c of the drain pipe side drain pipe 7 with the waterproof tube 12 and connecting the operation button 11 and the bearing box 8 in the waterproof tube 12. 13 is provided.

After that, the bottom surface 1a of the bathtub unit 1 is arranged in the drain pipe side drain pipe 7 so that the drainage port 2 is opposed to the drain pipe side drain pipe 7, and then the barrel body 5a of the bathtub side drain pipe 5 is connected to the drain port 2 To the female screw portion 7b of the drain pipe-side drain pipe 7 to some extent by manually rotating the bath-tub-side drain pipe 5 in the tightening direction by inserting it into the bathtub from the inside of the bathtub. .

After that, the tightening jig 18 is inserted from the inside of the bath into the tube main body 5a of the drain 5 on the bath side, and the four protrusions 18 formed on the outer peripheral surface of the tightening jig 18 at equal intervals.
a, 18a ... are locking protrusions 5 of the drainage pipe 5 on the bathtub side.
e, 5e ...
By further forcibly rotating in the tightening direction, the male screw portion 5c of the bathtub-side drain pipe 5 is moved to the drain pipe-side drain pipe 7
It is securely screwed into the female screw portion 7b, and is tightened and fixed.

After that, the drain valve 3 is attached and fixed to the tip of the drive rod 8a protruding upward from the bearing box 8, and the attachment of the bath drain plug is completed.

That is, according to the attachment structure of the bathtub drain plug of the present invention, the drain pipe side drain pipe 7 disposed below the bath unit 1 is connected to the drain pipe 15 through the trap 6 in advance. The bath unit 1 is placed on the bath unit 1, and the bath-side drain pipe 5 is fastened by the fastening jig 18, so that the drain plug can be fastened without getting under the bath unit 1.

Further, when removing the bathtub drain plug once attached in this way, the reverse operation to the above may be carried out.

That is, the drainage valve 3 from the drive rod 8a
After removing the tub, the tub side drain 5 is rotated in the loosening direction (opposite to the tightening direction) by the tightening jig 18 to release the connection between the tub side drain 5 and the drain side drain 7. . Therefore, when it is necessary to subsequently remove the drain pipe-side drain cylinder 7, the trap 6, the drain pipe 15, and the like, the bathtub unit 1 can be removed, and then these removal operations can be performed.

That is, according to the mounting structure of the bathtub drain plug of the present invention, the piping work related to these works is carried out regardless of whether the bathtub drain plug is attached to or removed from the bath unit 1. It can be performed from inside 1 and after removing the bath unit 1. In other words, there is no need for the worker to go around the lower part of the bathtub to work.

[0032]

The attachment structure of the drain plug for a bath according to the present invention comprises a drain on the side of the bath attached to the drain of the bath, and a drain on the side of the drain connected to the drain pipe under the bath. The bathtub-side drain is equipped with a barrel main body that is inserted into the drain and has a male thread on the lower outer peripheral surface, and is formed on the upper edge of the barrel main body and around the drain on the bottom of the bath. The drain pipe on the drain pipe side is formed by the rib-shaped ribs that are in contact with each other.The drain pipe on the drain pipe side has a female body formed on the inner peripheral surface of the top and the drain valve mounted and fixed on the inner wall surface of the barrel body is opened and closed. The bathtub is arranged so that the drain port is facing the drain pipe side drain pipe connected to the drain pipe, which is formed with the bearing box for operating, and the main body of the bathtub side drain pipe is inside the bathtub at the drain port. The male screw part is screwed into the female screw part. In addition, the method of mounting the drain plug for a bath according to the present invention,
In the drain plug for a bathtub having the above structure, the bathtub is arranged so that the drainage port faces the drainage pipe-side drainage pipe connected to the drainage pipe, and then the tubular body of the bathtub-side drainage pipe is connected to the drainage port. By inserting and rotating from the inside of the bathtub, the male screw portion of the bathtub side drain pipe is screwed into the female screw portion of the drain pipe side drain pipe. In other words, both when attaching the bathtub drain plug to the drainage port of the bathtub and when removing it, it is possible to perform piping work related to these works from the inside of the bathtub and after removing the bathtub,
The workability is excellent because there is no need for the worker to go under the bathtub.

[Brief description of the drawings]

FIG. 1 is a vertical cross-sectional view including a partial plan view showing a mounting structure for a bathtub drain plug according to the present invention.

FIG. 2 is a vertical cross-sectional view showing a state in which the bathtub drain plug of the present invention is disassembled into parts.

FIG. 3 is a vertical cross-sectional view of the entire bath unit including the bath drain plug of the present invention.

FIG. 4 is a perspective view showing a mounted state of the bathtub drain plug of the present invention.

FIG. 5 is a vertical cross-sectional view showing a conventional attachment structure for a bathtub drain plug.

[Explanation of symbols]

 1 Bath Unit 2 Drain Port 3 Drain Valve 5 Bathtub Drain 5a Cylinder Body 5c Male Screw 5e Locking Protrusion 7 Drain Pipe Drain 7a Cylinder 7b Female Thread 8 Bearing Box

Claims (4)

[Claims] 1. A structure for mounting a drain plug for a bath, which is capable of opening and closing a drain valve for closing the drain of the bath by remote control, the bath drain being attached to the drain, and disposed below the bath. And a drain pipe side drain pipe connected to the drain pipe, and the bathtub side drain pipe is inserted into the drain port and has a male screw portion formed on a lower outer peripheral surface, and an upper end of the barrel body. It is formed with an annular rib piece that is formed on the edge and abuts around the drainage port on the bottom surface of the bathtub, and the drainage pipe-side drainage cylinder has a female cylinder part formed on the inner peripheral surface of the upper portion, It is formed with a bearing box for opening and closing the drainage valve mounted and fixed to the inner wall surface of the cylinder body, and the drainage pipe side drainage pipe connected to the drainage pipe is arranged so that the drainage port faces the drainage pipe. A bathtub is arranged, and the tube body of the bathtub-side drainage tube is Is inserted from the inside of the tub to Mizuguchi,
A mounting structure for a bathtub drain plug, wherein the male screw portion is screwed to the female screw portion. 2. A method of mounting a drain plug for a bathtub capable of remotely opening and closing a drain valve for closing the drainage port of the bathtub, wherein the drainage pipe is attached to the drainage port, and the drainage pipe is provided below the bathtub. And a drain pipe side drain pipe connected to the drain pipe, and the bathtub side drain pipe is inserted into the drain port and has a male screw portion formed on a lower outer peripheral surface, and an upper end of the barrel body. It is formed with an annular rib piece that is formed on the edge and abuts around the drainage port on the bottom surface of the bathtub, and the drainage pipe-side drainage cylinder has a female cylinder part formed on the inner peripheral surface of the upper portion, The drain box is formed of a bearing box for opening and closing the drain valve attached and fixed to the inner wall surface of the tube body, and the drain port is opposed to the drain tube side drain tube connected to the drain tube. Place the bathtub and then, after this, The main body is inserted into the drainage port from the inside of the bathtub and rotated, whereby the male screw portion of the bathtub-side drainage pipe is screwed into the female screw portion of the drainage pipe-side drainage pipe. How to install. 3. The drainage pipe-side drainage pipe is provided with a locking portion for locking a finger or a tool for rotating the drainage pipe-side drainage pipe. Mounting structure and mounting method for bathtub drain plugs. 4. The attachment structure and attachment method for a bathtub drain plug according to claim 3, wherein the locking portion is a protrusion formed on an inner peripheral surface of the cylinder body.