JP3204494U - Bathtub drainage structure - Google Patents

Abstract

Disclosed is a bathtub drainage structure in which components constituting the drainage structure can be mounted and replaced even after the bathtub is installed. A nut 31 fixed to the outside of a bathtub 1 and a drain port member 37 penetrating / arranged from the inside of the bathtub 1 and screwed into the nut 31 are provided after the bathtub 1 is installed. Also, the components constituting the drainage structure can be attached and exchanged from the inside of the bathtub 1, and the drainage connection pipe 57 is inserted into the drainage port member 37, and a part thereof is outside the bathtub 1. It protrudes and is arranged. In addition, an eye plate 63 is detachably disposed on the drainage communication pipe 57, and the components constituting the drainage structure are attached and replaced even after the bathtub 1 fixing the drainage communication pipe 57 is installed. be able to. [Selection] Figure 1

Description

  The present invention relates to a drainage structure of a bathtub, and in particular, relates to a device devised so that the components constituting the drainage structure can be attached and replaced even after the bathtub is installed.

As what discloses the drainage structure of a bathtub, there exists patent document 1, for example. The bathtub drainage structure disclosed in Patent Document 1 has the following configuration.
First, the drain cap is penetrated and arranged from the inside to the outside of the bottom wall of the bathtub. A male screw portion is formed on the outer peripheral surface of the drain cap. On the other hand, a nut is installed on the outer side of the bottom wall, and this nut is screwed into the male screw portion of the drainage base, thereby fixing the drainage base to the bottom wall of the bathtub.

  Further, the drain cap is connected to a drain pipe disposed outside the bottom wall via a drain pipe joint. That is, the drainage pipe joint is composed of a cylindrical body and a female threaded pipe, and the female threaded pipe is screwed and joined to the male threaded portion of the drainage cap, while the cylindrical body is bonded to the drainage pipe.・ It is fixed.

Japanese Patent Laid-Open No. 10-237914

The conventional configuration has the following problems.
That is, in the case of the bathtub drainage structure described in Patent Document 1, a drainage cap is installed from the inside of the bathtub, while a nut is disposed outside the bathtub, and the drainage cap is screwed onto the nut. It is configured to be fixed by. Therefore, when installing the said bathtub, it is necessary to attach to the said bathtub in the state in which the said drain cap was screwed together by the said nut.
On the other hand, before the drainage base is screwed into the nut for the construction period or other circumstances, only the bathtub may be installed first before being attached to the bathtub. There is a problem that it becomes impossible to attach the drainage cap because the nut cannot be arranged in the case. In that case, it is necessary to remove the installed bathtub once, and a troublesome work is forced.
Moreover, there also existed a problem that each component which comprises a drainage structure cannot be replaced after installation. That is, when the drain base is removed, the outer nut falls, and even if a new drain base is attached thereafter, the dropped nut cannot be picked up and screwed together.

  The present invention has been made based on such points, and its purpose is to provide a drainage structure for a bathtub in which the components constituting the drainage structure can be mounted and replaced even after the bathtub is installed. is there.

In order to achieve the above object, a drainage structure for a bathtub according to claim 1 of the present invention includes a nut fixed to the outside of the bathtub, and a drainage port that is penetrated and arranged from the inside of the bathtub and screwed into the nut. And a member.
The bathtub drainage structure according to claim 2 is the bathtub drainage structure according to claim 1, wherein a drainage connecting pipe is inserted into the drainage outlet member, and a part of the drainage connection pipe projects outside the bathtub. It is characterized by being arranged.
According to a third aspect of the present invention, there is provided a drainage structure for a bathtub according to the second aspect, in which the eye plate is detachably installed in the drain port member and on the drainage connecting pipe. The drainage connecting pipe is fixed.
The bathtub drainage structure described in claim 4 is the bathtub drainage structure according to claim 3, characterized in that the eye plate is screwed and fixed in the drain port member. Is.
Moreover, the drainage structure of the bathtub described in Claim 5 is the drainage structure of the bathtub in any one of Claims 1-4, The decorative board is installed inside the said bathtub, The said drainage A drainage cover for the cover is installed between the mouth member and the decorative plate.
The bathtub drainage structure described in claim 6 is the bathtub drainage structure according to any one of claims 1 to 5, wherein the nut is fixed to a recess on the outside of the bottom wall. It is characterized by.

As described above, according to the drainage structure of the bathtub according to claim 1 of the present invention, the nut fixed to the outside of the bathtub, the drain port member penetrating and arranged from the inside of the bathtub and screwed to the nut, Thus, even after the bathtub is installed, the components constituting the drainage structure can be attached and replaced.
Moreover, according to the drainage structure of the bathtub described in claim 2, in the drainage structure of the bathtub according to claim 1, a drainage connecting pipe is inserted into the drainage port member, and a part thereof protrudes outside the bathtub. -Since it is arranged, the drainage pipe can be replaced even after the bathtub is installed. In addition, drainage communication pipes having different inner diameters are prepared in advance, and the drainage speed can be adjusted by replacing the drainage communication pipes.
Moreover, according to the drainage structure of the bathtub described in claim 3, in the drainage structure of the bathtub according to claim 2, the eye plate is detachably installed in the drain port member and on the drainage connecting pipe. Since the drainage communication pipe is fixed, the drainage communication pipe can be detachably installed with a simple configuration.
According to the bathtub drainage structure described in claim 4, in the bathtub drainage structure according to claim 3, the eye plate is screwed and fixed in the drain port member. The dish and the drainage communication pipe can be securely fixed.
Moreover, according to the drainage structure of the bathtub described in Claim 5, in the bathtub drainage structure in any one of Claims 1-4, the decorative board is installed inside the said bathtub, The above-mentioned Since the drainage cover is installed between the drain port member and the decorative plate, the gap between the decorative plate and the drain port member can be filled to reduce the level difference. Moreover, the clearance gap between a bathtub and a decorative board can be shielded. Furthermore, the aesthetics can be improved.
According to the bathtub drainage structure described in claim 6, in the bathtub drainage structure according to any one of claims 1 to 5, the nut is fixed to a concave portion outside the bottom wall. Therefore, the nut does not protrude from the bottom wall of the bathtub.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows 1st Embodiment of this invention, FIG. 1 (a) is a partial top view which shows the drainage structure of a bathtub, FIG.1 (b) is Ib-Ib sectional drawing of Fig.1 (a). . 2A and 2B are views showing a first embodiment of the present invention, in which FIG. 2A is a plan view of a drain cap, and FIG. 2B is a cross-sectional view taken along line IIb-IIb in FIG. FIGS. 3A and 3B are diagrams showing a first embodiment of the present invention, in which FIG. 3A is a plan view of the eye plate, and FIG. 3B is a cross-sectional view taken along line IIIb-IIIb in FIG. It is a figure which shows 1st Embodiment of this invention and is a longitudinal cross-sectional view of a drainage communication pipe. It is a figure which shows 2nd Embodiment of this invention, and is sectional drawing which shows the drainage structure of a bathtub.

Hereinafter, a first embodiment of the present invention will be described with reference to FIGS.
As shown in FIG. 1, the bathtub 1 is provided with a drainage structure 3. First, the structure of the said bathtub 1 and its periphery is demonstrated.
As shown in FIG. 1, the bathtub 1 is made of, for example, fiber reinforced plastic (hereinafter referred to as FRP), and has a bowl-shaped bathtub body 5 and an outer peripheral side of the bathtub body 5. It is comprised from the reinforcing material 7 for bathtubs made from FRP installed, for example. The bottom wall 5a of the bathtub body 5 is formed with a drain cap installation through hole 9. Further, a through hole 11 is formed in the lower portion of the bathtub reinforcing member 7 in FIG. 1B of the drain base installation through hole 9.

  Moreover, on the bottom wall 5a of the bathtub 1, for example, a marble decorative plate 13 is installed. A through hole 15 is formed in the upper portion of the decorative plate 13 in FIG. 1B of the through hole 9 for installing the drain base, and a cover 17 for the drain port is formed in the through hole 15. is set up.

  The bathtub 1 is installed on the floor 19. The floor 19 includes, for example, a floor material body 21 made of FRP and a floor surface material 23 made of FRP, for example, installed on the upper side of the floor material body 21. The lower part in FIG. 1 (b) of the through hole 9 for installing the drain cap of the floor surface material 23 protrudes and deforms to the lower side in FIG. 1 (b), and this is the drain trap installation part. 25. A through hole 27 is formed in the drain trap installation portion 25. And in the said through-hole 27, the drain trap 29 is installed in the state which inserted the upper end part. That is, the drain trap 29 includes a main body and a lid with a short pipe that is detachably attached to the main body by screwing. The drain trap 29 is formed by screwing the upper short tube cover body onto the main body in a state where the edge of the through hole 27 is sandwiched between the short tube cover body and the main body. It is installed in the drain trap installation unit 25.

Next, details of the drainage structure 3 will be described.
First, the nut 31 is fixed in advance by the FRP resin 35 on the outer side of the bottom wall 5a of the bathtub main body 5 (the lower side in FIG. 1B) and at the edge of the drain base installation through-hole 9. Yes. The nut 31 is made of, for example, stainless steel, and an internal thread portion 33 is formed on the inner peripheral surface thereof.
The nut 31 and the contact FRP resin 35 are accommodated and arranged in the through-hole 11 of the bathtub reinforcing material 7.

  The nut 31 is screwed with a drain cap 37 as a drain port member inserted from the inside of the bathtub 3 (upper side in FIG. 2B). As shown in FIG. 2, the drain cap 37 is a substantially cylindrical member, and a male screw portion 39 is formed on the outer peripheral surface. The drain cap 37 is fixed by screwing the male screw portion 39 into the female screw portion 33 of the nut 31. Further, a flange portion 41 projecting to the outer peripheral side is formed on the upper end side in FIG.

  Further, the lower end side in FIG. 2B inside the drain base 37 is a reduced diameter portion 43, and the upper surface in FIG. 2B of the reduced diameter portion 43 is the drain base side engaging portion 45. It has become. An inclined surface 47 is formed on the upper end side of the reduced diameter portion 43 in FIG. Further, mounting jig engaging recesses 49 and 49 are formed on the inner peripheral surfaces of the reduced diameter portion 43 and the inclined surface 47. An engagement jig (not shown) (for example, a plate-shaped attachment jig) is engaged with the engagement jig engaging recesses 49, 49, and the nut 31 of the drainage cap 37 is rotated by rotating the attachment jig. Detach / attach to / from.

Further, a countersink female screw portion 51 is formed inside the drainage cap 37 and above the drainage cap side engaging portion 45 in FIG. 2B. Further, an inclined surface 53 is formed in a portion from the upper end in FIG. 2B to the internal thread portion 51 for the countersink inside the drain base 37.
The drain base 37 is made of stainless steel, for example.

  Further, as shown in FIG. 1, a packing 55 is interposed between the flange portion 41 of the drainage base 37 and the bathtub 3.

Further, a drainage communication pipe 57 inserted from the inside of the bathtub 3 (upper side in FIG. 2B) is installed and fixed in the drainage cap 37. As shown in FIG. 4, a flange 59 is formed at the upper end of the drainage communication pipe 57. The flange 59 is engaged with the drainage base side engaging portion 45. A tapered portion 61 is formed on the outer periphery of the drainage communication pipe 57 on the outer periphery, and the tapered portion 61 is in contact with the inclined surface 47 of the drainage cap 37.
Further, as the drainage communication pipe 57, a plurality of types having different inner diameters are prepared, and the drainage amount is set to a predetermined value by appropriately selecting and using.

  Further, for example, a stainless steel plate 63 is installed in the drainage cap 37 and above the drainage communication pipe 57 in FIG. As shown in FIG. 3, a cross-shaped trap portion 65 is formed on the eye plate 63. The trap unit 65 traps foreign matter contained in the waste water.

A male screw portion 67 is formed on the outer peripheral surface of the eye plate 63. The eye plate 63 is fixed by screwing the male screw portion 67 with the eye screw female screw portion 51 of the drainage cap 37. Further, the flange 59 of the drainage communication pipe 57 is sandwiched and fixed between the eye plate 63 and the drainage base side engaging portion 45.
Further, the drainage communication pipe 57 protrudes to the outside of the bathtub 3 (the lower side in FIG. 1B) and is inserted into the drain trap 29.
Further, as shown in FIG. 1B, for example, a rubber plug 69 is press-fitted into the upper end side of the drainage cap 37 in FIG. 1B, thereby holding water in the bathtub 1. Will be.

Next, the operation of the first embodiment will be described.
First, the operation of assembling the drainage structure 3 will be described.
First, the drain trap 29 is installed in the drain trap installation section 25 of the floor 19, and the bathtub 1 is installed thereon. A nut 31 is secured in advance to the outside (the lower side in FIG. 1B) of the bottom wall 5a of the bathtub body 5 of the bathtub 3.
Next, the drainage cap 37 is inserted into the drainage cap installation through-hole 9 from the inside of the bathtub 3 and is screwed into the nut 31 to be fixed.
Next, the drainage communication pipe 57 is inserted into the drainage cap 37 from the inside of the bathtub 3.
Next, the eye plate 63 is inserted into the drainage cap 37 from the inside of the bathtub 3 and screwed into the female screw portion 51 for the eye plate.

A plurality of types of drainage communication pipes 57 having different inner diameters are prepared in advance, and the drainage communication pipes 57 are selected and used according to the amount of drainage. When replacing, the eye plate 63 is removed, the drainage communication pipe 57 is taken out, another type of drainage communication pipe 57 is inserted into the drainage base 37, and the eyeglass 63 is attached to the drainage base 37 again. That's fine.

Next, the effect of the first embodiment will be described.
First, even after the bathtub 3 is installed, the drainage cap 37 can be attached. This is because the nut 31 is fixed in advance to the outer side of the bottom wall 5a of the bathtub body 5 (the lower side in FIG. 1B) and to the edge of the through hole 9 for installing the drainage cap. .
Further, since the nut 31 is installed in the through hole 11 and does not protrude from the bathtub 1, it is convenient that it does not interfere with other components during transportation and assembly.
Further, the drain base 37 can be replaced. This is because the nut 31 does not fall even if the drain base 37 is removed, and a new drain base 37 can be attached.
Further, the drainage communication pipe 57 can be attached and detached. This is because the eye plate 63 is configured to be attachable to and detachable from the drainage cap 37, and the drainage communication pipe 57 can be taken in and out by removing the eyeplate 63.
Further, since the drainage communication pipe 57 can be attached and detached, the amount of drainage can be adjusted by replacing the drainage communication pipe 57 with another drainage communication pipe 57 having a different inner diameter.
Further, since the drain opening makeup cover 17 is installed, the gap between the decorative plate 13 and the drain cap 37 can be filled to reduce the level difference. Moreover, the clearance gap between the bathtub main body 5 and the decorative board 13 can be shielded. Furthermore, the aesthetics can be improved.

Next, a second embodiment of the present invention will be described with reference to FIG.
In the case of this second embodiment, a drainage structure 73 is installed in the bathtub 71. The bathtub 71 has a configuration in which, for example, the surface of an FPR core material 75 is covered with a surface material 79 made of FPR, for example.
In addition, the code | symbol 77 in FIG. 5 is a leg part.
Further, a through hole 81 is formed in the core member 75 on the bottom wall side of the bathtub 71, and the surface material 79 on the outside (the lower side in FIG. 5) A concave portion 83 is formed by being curved. In addition, a through hole 85 for installing a drain cap is formed in the recess 83.

  In addition, a drain outlet decorative plate 87 is installed at the edge of the drain cap installation through hole 85. Further, a bottom decorative plate 89 is installed in a portion of the bottom wall of the bathtub 71 other than the portion where the drainage decorative plate 87 is installed. An inner peripheral decorative plate 91 is provided on the side peripheral surface inside the bathtub 71. An outer peripheral decorative plate 93 is installed on the outer peripheral side of the bathtub 71.

Next, the configuration of the drainage structure 73 will be described.
A nut 31 is fixed in advance with an FRP resin 35 to the outer edge portion of the drain cap installation through-hole 85.
In the case of the second embodiment, a packing 95 is interposed between the nut 31 and the bathtub 71.

Further, a drainage cap 37 as a drainage port member inserted from the inner side of the bathtub 71 (upper side in FIG. 5) is screwed into the nut 31. A packing 55 is interposed between the flange portion 41 of the drainage cap 37 and the bathtub 3.
The nut 31 and the distal end side (the lower side in FIG. 5) of the drainage cap 37 are accommodated and arranged in the recess 83 of the bathtub 71.

Further, an elbow-shaped drainage pipe 97 is arranged on the lower side of the bathtub 71 in FIG. 5, and the drainage cap 37 is directly inserted and arranged in the drainage pipe 97.
That is, the drainage communication pipe 57 used in the first embodiment is not used.
Other configurations are the same as those of the first embodiment, and the same reference numerals are given to the same portions in the drawing, and description thereof is omitted.

  In the case of the second embodiment, the same operation and effect as in the case of the first embodiment can be obtained, and the configuration without using the drainage connecting pipe is simplified.

Note that the present invention is not limited to the first embodiment or the second embodiment.
For example, as the drain port member, a resin drain port member may be used instead of the stainless steel drain port base. In addition, for example, a resin or a nut may be used as the nut and the eye plate.
Moreover, the case where the decorative board of a bathtub is not installed is also considered.
In addition, there may be a case where the drainage connecting pipe and the drain port member are located above the drain trap and are not inserted into the drain trap.
Further, there may be a case where there is no drainage communication pipe and the front end side of the drainage port member is inserted into the drainage trap.
In addition, the above-described eye plate is not screwed and fixed, but may be fixed to the drain port member by, for example, simple fitting, press fitting, or the like.
Moreover, the case where the said eye plate is not installed is also considered.
In addition, the illustrated configurations such as the shape and size of each component are merely examples.

  The present invention relates to a drainage structure of a bathtub, and in particular, to a device that is devised so that components constituting the drainage structure can be mounted / replaced even after the bathtub is installed. It is suitable for the drainage structure.

1 Bathtub 3 Drainage structure 11 Through hole (recess)
13 Decorative plate 17 Cover for drain outlet 31 Nut 37 Drain base (drain port member)
45 Drainage port member side engaging part 51 Female thread part for eye plate 57 Drainage communication pipe 59 Drainage communication pipe side engagement part 63 Eyeplate 67 Male screw part 73 Drainage structure 83 Recessed part

Claims (6)

A nut secured to the outside of the bottom wall of the bathtub;
A drain port member penetrating from the inside of the bathtub and screwed into the nut;
The drainage structure of the bathtub characterized by comprising. In the bathtub drainage structure according to claim 1,
A drainage structure for a bathtub, characterized in that a drainage connecting pipe is inserted into the drainage port member, and a part of the drainage pipe protrudes and is arranged outside the bathtub. In the drainage structure of the bathtub according to claim 2,
A drainage structure for a bathtub, characterized in that a drain plate is detachably installed in the drain outlet member and above the drainage communication pipe to fix the drainage communication pipe. In the bathtub drainage structure according to claim 3,
The drainage structure for a bathtub, wherein the eye plate is screwed and fixed in the drain port member. In the drainage structure of the bathtub in any one of Claims 1-4,
A drainage structure for a bathtub, wherein a decorative plate is installed inside the bathtub, and a drainage cover is installed between the drain member and the decorative plate. In the drainage structure of the bathtub in any one of Claims 1-5,
The drainage structure for a bathtub, wherein the nut is fixed to a concave portion outside the bottom wall.

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