JPH0687478U - Drainage device in bathroom unit - Google Patents

Abstract

(57) [Abstract] [Purpose] A drainage device for a bathroom unit that facilitates construction and prevents damage due to external force exerted on the bathtub by the connecting member. [Structure] A drainage device of a bathroom unit in which a bathtub 1 is installed on the side of a washing place of a waterproof pan 5. In the waterproof pan 5, a through hole 7 is formed at a lower position corresponding to the drain plug 2 of the bathtub 1, a drain socket 6 is fitted into the through hole 7, and a drain trap 9 is attached to the drain socket 6 and a waterproof pan 5 is provided. The connection is made on the back side, and the drain plug 2 of the bathtub 1 and the drain socket 6 are connected by a flexible connection joint 8. [Effect] Even if the drain plug 2 in the bathtub 1 and the drain socket 6 in the waterproof pan 5 are misaligned, the flexibility of the coupling joint 8 allows easy connection work, and the load causes the bottom portion of the bathtub 1 to be connected. Even if distortion occurs, the connection member is protected by the absorption of the external force by the coupling joint 8.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a drainage device for a bathtub installed in a waterproof pan of a bathroom unit, which is installed on the side of a washing area.

[0002]

[Prior art]

 Conventionally, in the drainage device in this type of bathroom unit, the hot and cold water in the bathtub is discharged from the drain plug provided at the bottom of the bathtub to the upper surface of the bottom wall of the waterproof pan, and then provided in the waterproof pan. The drainage pipe was connected to the drainage port through the drainage trap.

However, when the dirty hot water in the bathtub is discharged to the upper surface of the bottom wall of the waterproof pan in this manner, the upper surface of the bottom wall is contaminated, and thus the foul odor generated from the dirt is drained. It is necessary to clean the top surface of the bottom wall of the waterproof pan frequently because it is diffused into the bathroom through this, but this cleaning work involves the removal and attachment of the bathtub and the scar part that hides it. Therefore, it becomes very troublesome.

Therefore, in order to solve the above-mentioned problems, a drainage device (actually developed flat 4-108661) as shown in FIG. 2 has already been proposed, which is used in the bathtub b of the waterproof pan a. A through hole portion d is provided immediately below the drain plug c, a drain mouthpiece e is attached to the through hole portion d, and the drainage stopper c of the bathtub b is connected to the drain mouthpiece e by internal screwing. . In the figure, f indicates a drainage trap, and g indicates a drainage pipe that connects a drainage mouthpiece e and a drainage trap f.

[0005]

[Problems to be solved by the device]

 However, in the above drainage device, when the bathtub is, for example, a plastic bathtub, when the person enters the bathtub for water supply, hot water supply, bathing, or cleaning, the bottom of the bathtub Is likely to be distorted, and as a result, an unreasonable force is applied to the connection between the bottom wall b ′ of the bathtub, the drain plug c, the drain plug c, the drain mouthpiece e, and the drain mouthpiece e and the waterproof pan a. Therefore, if the connection is damaged, or if the drain plug c of the bath b and the through hole d of the waterproof pan a are misaligned even a little, the drain plug c and drainage There is a problem that continuous work with the base e becomes difficult or impossible.

Therefore, in the case of the above-described drainage device, high accuracy is required for the attachment of the drain plug c and the processing of the through hole d in the waterproof pan a, and the work of attaching the bathtub b is also highly accurate. It has to be required, and it takes a lot of manpower and time for processing and construction, resulting in high cost.

The present invention has been made in view of the above conventional problems, and connects a drain plug of a bathtub and a drain socket attached to a through hole of a waterproof pan with a flexible coupling joint. By doing so, even if the drain plug in the bathtub and the drain socket in the waterproof pan are misaligned or the bottom wall of the bathtub is distorted, these can be absorbed by the flexible coupling joint. The purpose is to make it possible and to prevent the damage of the connection portion, and also to facilitate the construction.

[0008]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention provides a bathroom unit in which a bathtub is installed on the side of a washing area in a waterproof pan, wherein the waterproof pan has a through hole at a lower position corresponding to the drain plug of the bathtub. The drainage trap is connected to the drainage socket attached to the hole, and the drainage plug of the bathtub and the drainage socket are connected by a flexible coupling joint. It intends to provide a drainage system for the bathroom unit.

[0009]

[Action]

 The drainage socket is inserted from the top into the through hole formed in the bottom wall of the waterproof pan, and the drainage socket and the drain trap are connected by screw connection on the back side of the waterproof pan.

The lower end of the flexible connection is fitted to the upper part of the drainage socket, connected using a flexible band or the like, and the bathtub is installed on the waterproof pan, and then the connection joint and the bathtub are connected. If the core is aligned with the mounting hole of the drain plug drilled in the bottom wall of the plug, insert the drain plug into the mounting hole from the top, and screw it into the fixed nut at the upper end of the coupling joint to connect it. For example, fix the bathtub in place.

The drain trap is connected to the washing place trap by a drain pipe. Therefore, the hot and cold water in the bathtub flows directly from the drain socket of the waterproof pan to the drain trap through the coupling joint that is more flexible than the drain plug, so that the top surface of the bottom wall of the waterproof pan is not contaminated.

Further, even if the bottom wall of the bathtub is distorted due to hot water supply or bathing in the bathtub, or there is an error in the position of the drain plug and the position of the drain socket, the flexible connecting joint makes the connection member. Also, the above-mentioned construction is facilitated as no excessive force is applied to the.

[0013]

【Example】

 Hereinafter, the present invention will be described with reference to the illustrated embodiment. As shown in FIG. 1, a bottom wall 1a of a bathtub 1 is penetrated by a mounting hole 3 of a drain plug 2, and an upper side of the mounting hole 3 is attached. Is an enlarged hole portion 3a into which an outward flange 2a continuously provided on the upper end of the drain plug 2 via a rubber packing 4 is fitted, and a male screw portion 2b is provided on the outer periphery of the drain plug 2. Is engraved.

On the bottom wall 5 a of the waterproof pan 5, with the bathtub 1 installed at a desired position on the waterproof pan 5, the drain socket 6 is mounted at a position substantially directly below the mounting hole 3. A through hole portion 7 for forming is formed.

The drainage socket 6 has a cylindrical shape, and is pressed from the upper part to the lower part to the connecting cylinder part 6a into which the flexible connecting joint 8 is sequentially fitted and the upper surface of the bottom wall 5a of the waterproof pan 5. The outwardly facing flange 6b and the threaded tubular portion 6c that is threadedly connected to the drain trap 9 are continuously provided.

The connecting joint 8 is formed of a flexible tube such as a bellows, which is made of a flexible material such as rubber or soft plastic, and a flexible tube. A holding portion 8a is formed, and a holding nut 10 screwed into the male screw portion 2b of the drain plug 2 is internally held in the holding portion 8a.

The drain trap 9 has a screw hole portion 9a through which a screw cylinder portion 6c of the drain socket 6 is screwed, which is formed at an upper portion on one side thereof. A connecting tube portion 9b that is connected to the terminal is extended laterally.

To assemble the drainage device having the above-described structure, the lower end portion of the coupling joint 8 is fitted to the connecting cylinder portion 6 a protrudingly provided on the upper end of the drainage socket 6, and this is fastened with the universal band 11. Attach and fix. The drainage socket 6 is inserted into the through hole portion 7 of the waterproof pan 5 from above, and the screw cylinder portion 6c projecting downward from the through hole portion 7 is provided in the drainage trap on the back side of the bottom wall 5a of the waterproof pan 5. The drain socket 6 and the drain trap 9 are connected to each other by screwing into the screw hole 9a of the drain plug 9.

At this time, a nylon washer 12 is interposed between the upper surface of the bottom wall 5a of the waterproof pan 5 and the outward flange 6b of the drain socket 6, and the back surface of the bottom wall 5a is It is preferable that a rubber washer 13 is provided between the drain trap 9 and the periphery of the upper end opening of the screw hole 9a so that the drain socket 6 and the drain trap 9 are connected so as not to leak water.

Next, the bathtub 1 is installed on the waterproof pan 5, the mounting hole 3 and the core of the coupling joint 8 are aligned, the rubber washer 4 is provided on the bottom of the enlarged hole 3a, and the drain plug is attached. 2 is inserted into the mounting hole 3 from the upper side, and the male screw portion 2b is screwed into the fixing nut 10 internally held in the holding portion 8a at the upper end of the coupling joint 8 and is firmly tightened. , The bathtub 1 is fixed to the waterproof pan 5 at a predetermined position by using an L metal fitting or the like.

By doing so, the upper end peripheral portion 8b of the holding portion 8a by the connecting joint 8 is crimped between the back surface of the bottom wall 1a in the bath 1 and the fixing nut 10, In combination with the rubber washer 4 described above, the bathtub 1, the drain plug 2, and the connection joint 8 are connected together without water leakage.

[0022]

[Effect of device]

 Since the present invention is configured as described above, even if there is a deviation between the position of the drain plug in the bathtub and the position of the drain socket in the waterproof pan, a flexible connection joint can be used to connect them. Connection is easy and construction is easy, and even if the bottom of the bathtub is distorted due to hot water supply, water supply, or a load applied by a person in the bathtub, this is absorbed by the flexibility of the connection joint. In other words, the connecting member is not subjected to an excessive force, and therefore the connecting member is not damaged, and can be used for a long period of time.

[Brief description of drawings]

FIG. 1 is a vertical sectional front view showing an embodiment of a drainage device in a bathroom unit according to the present invention.

FIG. 2 is a vertical sectional front view showing a drainage device in a conventional bathroom unit.

[Explanation of symbols]

 1 Bathtub 2 Drain Stopper 5 Waterproof Pan 6 Drainage Socket 7 Through Hole 8 Connection Joint 9 Drainage Trap

Claims (1)

[Scope of utility model registration request] 1. A bathroom unit in which a bathtub is installed on the side of a washing area in a waterproof pan, wherein the waterproof pan is provided with a through hole portion at a lower position corresponding to a drain plug of the bathtub. A drainage device in a bathroom unit, characterized in that a drainage trap is connected to the attached drainage socket, and the drainage plug of the bathtub and the drainage socket are connected by a flexible coupling joint.