JP2009030325A - Pop-up drain plug structure of bathtub - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pop-up drain plug structure of a bathtub which can eliminate necessity of widening a space between the bathtub and a weir part in order to facilitate a work for connecting a release to a drain plug, and can suppress increase of design restriction. <P>SOLUTION: A bathtub installation part 11, a washing place part 12, and a weir part 13 between them are installed. A drain trap 3 is disposed so as to spread across the bathtub installation part 11 and the washing place part 12. A bathtub side trap opening 31a of the drain trap 3 is communicated to a bathtub side floor pan drain hole 14, and at the same time a washing place side trap opening 31b is communicated to a washing place side floor pan drain hole 15. The bathtub side floor pan drain hole 14 and a bathtub drain hole 20 are communicated to each other, and at the same time a closed plug cap 41 opening and closing the bathtub drain hole 20 by a release 5 is provided. One end of the release 5 is connected to the closed plug cap 41, and at the same time the other end is introduced from the bathtub side trap opening 31a into the drain trap 3 and put out from the washing side trap opening 31b to be connected to an operation part 6 through the washing place 12 side. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a pop-up drain plug structure of a bathtub that opens and closes a bathtub drain port with a sealed lid plug by remotely operating a release.

  Conventionally, a pop-up drain plug is known as a drain plug of a bathtub (see, for example, Patent Document 1).

  As shown in FIG. 5, the floor pan 1 includes a bathtub installation part 11, a washing place part 12, and a weir part 13 formed between the bathtub installation part 11 and the washing place part 12. The bathtub 2 is installed in the part 11. A drainage trap 3 is arranged below the bathtub installation part 11 and the washing place 12 of the floor pan 1, and one drainage trap 3 is provided across the bathtub installation part 11 and the washing place 12 in the figure. An example is shown. The bathtub-side trap opening 31 a of the drain trap 3 is connected to the bathtub-side floor pan drain outlet 14 of the bathtub installation unit 11, and the washing-place trap opening 31 b is connected to the washing-bed floor pan drain 15 of the washing section 12. Moreover, the bathtub side floor pan drain outlet 14 and the bathtub drain outlet 20 formed in the bathtub 2 are connected. The code | symbol 36 in a figure is a trap cover part arrange | positioned at the bathtub side trap opening 31a.

And the drain plug 4 which operates the release 5 remotely from the bathtub 2 of the bathtub 2 and opens and closes the sealing plug lid 41 is provided, and the release 5 is connected to the operation part provided in the flange part of the bathtub 2. Thus, the user operates the operation unit to open and close the bathtub drain 20 by remote control.
JP 2001-295343 A

  By the way, in the conventional pop-up drain plug 4 structure of the bathtub 2, the release 5 connected to the sealing plug lid 41 (more specifically, the shaft portion in the mechanical box) is once the trap lid portion of the bathtub side trap opening 31a. 36 is introduced into the drainage trap 3 from the hole 36 and is led out from the other hole 36c of the trap lid 36 of the bathtub side trap opening 31a again, and the space S ′ between the bathtub 2 and the weir 13 is formed. It connects to the operation part provided in the flange part of the bathtub 2 through. In order to connect the release 5 to the sealing plug lid 41 of the drain plug 4, a hand is put in the space S ′ between the bathtub 2 and the weir 13 and the hole 5 c of the trap lid 36 is inserted through the release 5. Although the operation | work connected with the sealing stopper lid | cover 41 is needed, if it is going to take the space S 'between the bathtub 2 and the dam part 13 in order to make the said operation | work easy, the washing place part 12 can be enlarged. Design restrictions such as disappearance or a decrease in the width of the bathtub 2 would increase.

  The present invention was invented in view of the above-mentioned conventional problems, and the object of the present invention is to widen the space between the bathtub and the weir portion in order to facilitate the operation of connecting the release to the drain plug. It is an object of the present invention to provide a pop-up drain plug structure for a bathtub that does not need to be taken and can suppress an increase in the design constraints of the floor pan.

  In order to solve the above-described problem, the invention according to claim 1 includes the bathtub installation part 11, the washing place part 12, and the dam part 13 formed between the bathtub installation part 11 and the washing place part 12. The bathtub 2 is installed in the bathtub installation part 11 of the floor pan 1, the drain trap 3 is arranged below the dam part 13 across the bathtub installation part 11 and the washing place part 12, and the bathtub side trap opening of the drain trap 3 31a is communicated with the bathtub-side floor pan drain outlet 14 of the bathtub installation section 11, and the washing-side trap opening 31b is communicated with the washing-floor side floor pan drain outlet 15 of the washing section 12, so that the bathtub-side floor pan drain outlet 14 and the bathtub 2 are connected. A sealing plug lid 41 is provided for communicating the formed bathtub drain port 20 and opening and closing the bathtub drain port 20 with the release 5. One end side of the release 5 is connected to the sealing plug lid 41, and the other end side thereof is connected. The tub side tiger Derive from the washing area side trap opening 31b is introduced into the drain trap 3 from flop opening 31a is characterized in that formed by connecting the operation unit 6 through the washing space 12 side of the weir 13.

  With such a configuration, the end of the release 5 is inserted into the hole 36c of the trap lid 36 through the space S between the bathtub 2 and the weir 13 and is connected to the sealing lid 41. In order to facilitate the above work, the space S between the bathtub 2 and the weir 13 can be widened to prevent the design restrictions of the floor pan 1 from increasing. It is.

  The invention according to claim 2 is characterized in that, in the invention according to claim 1, the guide 7 of the release 5 is provided in the drain trap 3.

  With such a configuration, it is possible to prevent the release 5 from being stretched in a straight line and not being smoothly fed into the drain trap 3.

  Moreover, the invention which concerns on Claim 3 provides the inner cover part 8 between the lower surface of the flange part 22 of the bathtub 2, and the dam part 13 in the invention which concerns on Claim 1 or 2, and the flange part 22 of the bathtub 2 A makeup apron 9 is provided between the end of the washing section 12 and the washing section 12 of the floor pan 1, and the operation section 6 is a portion between the inner lid portion 8 of the flange portion 22 of the bathtub 2 and the makeup apron 9. And the release 5 is formed through the space S between the inner lid portion 8 and the makeup apron 9.

  By setting it as such a structure, the release 5 can be arrange | positioned effectively using the space S between the inner cover part 8 and the makeup | deployment apron 9. FIG.

  In the present invention, the operation of passing the end of the release through the space between the bathtub and the weir and the hole of the trap lid and connecting to the sealing plug lid becomes unnecessary, and the above operation is facilitated. To increase the space S ′ between the bathtub and the weir, it is impossible to widen the washing area or the width of the bathtub is reduced. Can be suppressed, and the degree of freedom of design increases.

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

  As shown in FIG. 1, the floor pan 1 is composed of a bathtub-side floor pan 1 a serving as a bathtub installation unit 11 and a washing-house-side floor pan 1 b serving as a washing-room unit 12. A weir portion 13 is disposed between 1b. The floor pan 1 includes an integrated floor pan 1 in which a bathtub-side floor pan 1a and a washing-room-side floor pan 1b are integrally formed, and a split-type in which the bathtub-side floor pan 1a and the washing-room-side floor pan 1b are separated. Any of the floor pans 1 may be used, but in any case, it is the same in that the dam portion 13 is provided between the bathtub side floor pan 1a and the wash floor side floor pan 1b.

  A bathtub drain 20 for draining hot water from the bathtub 2 is formed at the bottom 21 of the bathtub 2, and a bathtub-side floor pan drain 14 is also provided at the bottom of the bathtub-side floor pan 1 a corresponding to the drain. Further, a wash floor side floor pan drain port 15 for draining hot water on the floor of the wash section 12 is formed at the bottom of the wash floor side floor pan 1b. A drain trap 3 is disposed in the side floor pan drain port 15.

  In the present invention, the drain trap 3 is a communication type trap that drains the hot water discharged from the bathtub-side floor pan drain outlet 14 by joining with the hot water discharged from the washing-floor floor pan drain outlet 15. A main body casing 30 is provided that is laterally long from the lower side of the floor pan 1a to the lower side of the washroom side floor pan 1b, and a portion of the main body casing 30 that is positioned below the bathtub side floor pan drain port 14 and the wash floor side floor pan drain port 15 are provided. A bathtub-side trap opening 31a and a washing-room-side trap opening 31b that open upward are respectively formed in a portion located on the lower side. Although the drain trap 3 may be integrally formed, it is not necessary to be integrally formed, and in this embodiment, the bathtub side trap portion 3a and the washing place side trap portion 3b are separately formed, The outlet cylinder part 32a of the bathtub side trap part 3a and the inlet cylinder part 32b of the washing place side trap part 3b are connected by a communication cylinder part 35 having a bellows-like flexibility.

The tub-side trap opening 31a of the bathtub-side trap portion 3a is provided with a cylindrical portion 33a and the flange portion 33b, contact via a packing P ₁ the flange portion 33b in the peripheral lower surface of the tub-side floor pan drain opening 14 The trap lid portion 36 includes a substantially circular lid plate portion 36a and a lid cylinder portion 36b projecting downward from the lower surface of the lid plate portion 36a into the cylindrical portion 33a from the upper side of the bathtub-side floor pan 1a. Is inserted, and the tub side trap portion 3a is inserted into the bathtub by sandwiching the rim portion of the bathtub side floor pan drainage port 14 between the lower surface of the peripheral portion of the cover cylinder portion 36b and the upper surface of the flange portion 33b. It is fixed to the side floor pan 1a.

In addition, a pop-up drain plug 4 for remotely operating the sealing plug lid 41 via the release 5 is attached to the bathtub drain 20 formed in the bottom 21 of the bathtub 2. As shown in FIG. 2, the drain plug 4 is mainly composed of a drain fitting 40 that houses a mechanical box 42 and an operation unit 6 that is connected to the drain fitting 40 via a release 5. The drain fitting 40 is composed of a drain cylinder portion 40b inserted into the bathtub drain port 20 and having an external thread formed on the outer surface thereof, and a drain flange portion 40a formed at the upper end of the drain cylinder portion 40b. The drain cylinder 40b is inserted into the bathtub drain 20 from above, and the drain flange 40a of the drain fitting 40 is placed on the upper surface of the peripheral edge of the bathtub drain 20 on the bottom 21 of the bathtub ₂ via the sister packing P2. The bottom 44 of the bathtub 2 is clamped between the drain flange portion 40a of the drain fitting 40 and the nut 44 by screwing and fastening the nut 44 to the male screw of the drain tube portion 40b from below. The fitting 40 is fixed to the bottom 21 of the bathtub 2. In addition, you may form the drain-port metal fitting 40 with another member instead of a metal.

Then, joining the lower end of the drainage tube portion 40b of the drainage port metal fitting 40 via a packing P ₃ on the trap lid 36, by communicating with the opening is formed in the trap lid 36 and the drainage tube portion 40b A drainage flow path from the inside of the bathtub 2 to the drain trap 3 is formed.

Washing place side trap portion cylindrical portion 34a similarly to the washing area side trap opening 31b of 3b and the flange portion 34b Yes is provided, via a packing P ₄ the flange portion 34b in the peripheral lower surface of the washing area side floor pan drain port 15 The washing station side comprising a lid plate portion 37a having a substantially circular shape and a lid cylinder portion 37b projecting downward from the lower surface of the lid plate portion 37a into the cylindrical portion 34a from the upper side of the washing floor floor pan 1b. By inserting the cover cylinder part 37b of the trap cover part 37 and sandwiching the peripheral part of the wash floor side floor pan drainage port 15 between the lower surface of the peripheral part of the cover cylinder part 37b and the upper surface of the flange part 34b, the wash station side trap The part 3b is fixed to the wash floor side floor pan 1b.

  In addition, the wash floor side floor pan drain 15 is formed at the bottom of a downward facing recess 16 formed at the bottom of the wash floor floor floor 1b, and the top of the recess 16 has a bottom of the wash floor floor pan 1b. A recess lid 17 that is substantially flush with the washing area 12 is disposed.

  The washing area side trap portion 3b includes a lower outer cylinder portion 38a protruding upward from the inner bottom surface of the main body casing 30 and a lower outer cylinder portion 38a protruding downward from the lower surface of the lid plate portion 37a of the washing area side trap lid portion 37. A water sealing portion 38 is formed which includes an upper inner cylinder portion 38b inserted into the inside. Further, an outlet tube portion 39 is formed in the main body casing 30 of the washing place side trap portion 3b, and a drain pipe (not shown) is connected to the outlet tube portion 39.

  The drain trap 3 is disposed under the dam portion 13 and straddles the wash basin floor pan 1b and the tub side floor pan 1a, and the tub side trap opening 31a is located below the bathtub side floor pan drain port 14 and the wash basin. The wash floor side trap opening 31 b is provided below the side floor pan drain port 15.

  A mechanical box 42 is disposed and fixed to the drain port fitting 40 in the drain tube portion 40b. One end side of the release 5 is inserted into the mechanical box 42 from the bottom hole, and the shaft part 43 protrudes / immerses upward from the hole of the lid part of the mechanical box 42 by the insertion / extraction of the release 5. When the sealing plug lid 41 fixed to the upper end of 43 protrudes and sinks and protrudes, the bathtub drain opening 20 is opened to allow the bathtub 2 and the drain trap 3 to communicate with each other. The mouth 20 is closed. One end of the release 5 is connected to the above-described sealing plug lid 41 (more precisely, the shaft portion 43 protruding downward from the sealing plug lid 41), and the other end is an operation provided on the flange portion 22 of the bathtub 2. It is connected to the push button 61 of the unit 6, and when the user operates the push button 61, the release 5 is pushed out and pulled and inserted into and pulled out from the mechanical box 42.

  In the present invention, the release 5 is inserted into the drain trap 3 from the bathtub side trap portion 3a to the washing place side trap portion 3b, and the release insertion hole 37c formed in the cover plate portion 37a of the washing place side trap lid portion 37 is provided. The other end side is housed in a mechanical box 42 provided on the flange portion 22 of the bathtub 2.

  According to the above configuration, the end of the release 5 is inserted into the hole 36c of the trap lid 36 through the space S between the bathtub 2 and the weir 13 and connected to the sealing lid 41. In order to facilitate the above-described work, the space S between the bathtub 2 and the dam portion 13 is widened so that the washing area 12 cannot be widened or the width dimension of the bathtub 2 is reduced. Therefore, it is possible to suppress an increase in design restrictions such as the design freedom, and the degree of freedom in design increases.

  Further, as shown in FIG. 3, a guide 7 for the release 5 may be provided in the drain trap 3. The guide 7 is made of a cylindrical member, and both ends thereof are respectively positioned below the bathtub side trap opening 31a and the washing area side trap opening 31b, and are installed so that the opening directions of both ends are directed upward. The inner surface of the part is a smooth surface. As a result, it is possible to prevent the release 5 from being stretched linearly and not being smoothly fed into the drain trap 3.

  FIG. 4 shows another embodiment. In addition, about the same structure as the upper embodiment shown in FIG. 1, the same code | symbol is attached | subjected and description is abbreviate | omitted and it mainly demonstrates a different part.

  In this embodiment, the inner lid part 8 is provided between the lower surface of the flange part 22 of the bathtub 2 and the dam part 13, the end part on the washing place part 12 side of the flange part 22 of the bathtub 2 and the washing place part 12 of the floor pan 1. The operation part 6 is provided in the part between the inner cover part 8 and the makeup apron 9 of the flange part 22 of the bathtub 2 and the release 5 is provided with the inner cover part 8 and the makeup. This is through the space S with the apron 9.

  Accordingly, the release 5 can be disposed by effectively using the space S between the inner lid portion 8 and the makeup apron 9.

It is principal part sectional drawing of one Embodiment of this invention. It is explanatory drawing of a drain plug, an operation part, and a release. It is principal part sectional drawing of the example which provided the guide in the same as the above. It is a whole schematic sectional drawing of other embodiment. It is principal part sectional drawing of a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Floor pan 1a Bath side floor pan 1b Washing area side floor pan 11 Bath setting part 12 Washing area 13 Weir part 14 Bath side floor bread drain 15 Bath 20 Bath drain outlet 3 Drain trap 3a Bath side trap 3a Section 3b Washing area side trap section 31a Bathside trap opening 31b Washing area side trap opening 36 Trap cover section 37 Washing area side trap cover section 41 Sealing stopper cover 5 Release 6 Operation section 7 Guide 8 Inner cover section 9 Cosmetic apron S Space

Claims (3)

  A bathtub is installed in a bathtub installation section of a floor pan provided with a bathtub installation section, a washing section, and a weir formed between the bathtub installation section and the washing section. A drain trap is placed across the area, and the tub side trap opening of the drain trap communicates with the tub side floor pan drain outlet of the tub installation section, and the wash basin trap opening communicates with the wash floor side floor pan drain outlet of the washing area A tub side floor pan outlet and a tub outlet formed in the tub are in communication with each other, a sealing plug lid is provided for opening and closing the bathtub drain outlet by a release, and one end side of the release is connected to the sealing plug lid The pop-up drain plug of the bathtub is characterized in that the other end side is introduced into the drain trap from the bathtub side trap opening and is led out from the washing station trap opening and connected to the operation section through the washing section side of the weir section. Elephants.   2. A pop-up drain plug structure for a bathtub according to claim 1, wherein a release guide is provided in the drain trap.   An inner lid is provided between the bottom surface of the flange portion of the bathtub and the weir portion, a makeup apron is provided between the end of the bathtub flange on the washing area side and the washing area of the floor pan. The pop-up drain plug of the bathtub according to claim 1 or 2, wherein a release is provided through a space between the inner lid portion and the cosmetic apron, and is provided in a portion of the flange portion between the inner lid portion and the cosmetic apron. Construction.

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