JP7218117B2 - bathtub pan waterproof member - Google Patents

Description

TECHNICAL FIELD The present invention relates to a bathtub pan waterproof member used for a bathtub pan in a bathroom.

2. Description of the Related Art Conventionally, in some cases, a bathtub pan is installed under a bathtub in order to improve the waterproofness of the bathroom and the heat retention of the bathtub. Since some bathtub pans have an opening through which a water supply pipe to the bathroom passes, a cover is attached to the opening. As such a cover, there is a lid described in Patent Document 1 below.

The lid body is formed with a hole through which the pipe is passed during construction in accordance with the position of the pipe passing through the opening of the bathtub pan. A packing is attached to the hole, and a rubber cylinder and each screw flange are attached in this order.

Japanese Patent Application Laid-Open No. 2009-91748

However, as described above, the lid body requires processing at the time of construction and assembly work of each screw flange, so the work is complicated, and there are cases where water leaks from the gaps between each member and floods the building. .

The present invention has been proposed in view of such circumstances. That is, it is an object of the present invention to provide a bathtub pan waterproof member that is easy to install and has excellent waterproof properties.

To achieve the above object, a bathtub pan waterproof member according to the present invention is a bathtub pan waterproof member that covers an opening formed in a bathtub pan in which a bathtub is installed and through which a pipe passes, and is attached to the bathtub pan. A base portion that covers the opening and through which the pipe is passed, and a cover portion that covers the periphery of the pipe on the upper surface of the base portion are integrally molded.

The bathtub pan waterproof member according to the present invention is characterized in that the lower portion of the cover portion protrudes from the lower surface of the base portion to reach the bathtub pan.

The bathtub pan waterproof member according to the present invention is characterized in that the height of the cover portion is higher than the boundary portion between the bathtub pan and the washing area.

The bathtub pan waterproof member according to the present invention is characterized in that the cover portion expands and contracts.

The bathtub pan waterproof member according to the present invention is characterized in that the height of the most contracted cover portion is higher than the boundary portion between the bathtub pan and the washing area.

In the bathtub pan waterproof member according to the present invention, the base portion has a hole through which a pipe is passed, and packing is arranged around the opening on the lower surface of the base portion, and the cover portion includes the It is characterized by having a tubular shape connected to the hole and extending upward, and having a bellows.

In the bathtub pan waterproofing member according to the present invention, a base part that is attached to the bathtub pan to cover the opening and through which the pipe passes through, and a cover part that covers the circumference of the pipe on the upper surface of the base part are integrally molded. . That is, since the base portion and the cover portion are integrally molded, there is no need to assemble the members. Therefore, it can be easily attached to the bathtub pan. In addition, since there are no gaps between the parts, excellent waterproofness can be achieved.

In the bathtub pan waterproof member according to the present invention, the lower portion of the cover portion protrudes from the lower surface of the base portion to the bathtub pan. With this configuration, the lower portion of the cover portion contacts the bathtub pan, and excellent waterproofness can be achieved in the gap between the bathtub pan waterproof member and the bathtub pan. For the purpose of waterproofing, the gap between the base part and the bathtub pan may be caulked with silicone or the like, but with the present invention, excellent waterproofness can be achieved regardless of the presence or absence of caulking. can.

In the bathtub pan waterproof member according to the present invention, the height of the cover portion is formed higher than the boundary portion between the bathtub pan and the washing area. With this configuration, even if the bathtub pan is flooded with water, if the water level reaches the boundary between the bathtub pan and the washing area, the water flows from the boundary to the washing area and is drained. That is, the water does not reach the cover portion which is higher than the boundary portion. Therefore, excellent waterproofness can be achieved.

In the bathtub pan waterproof member according to the present invention, the cover portion expands and contracts. With this configuration, the cover can be expanded and contracted according to the direction and length of the pipe projecting from the opening. Therefore, it can be easily attached to the bathtub pan.

In the bathtub pan waterproof member according to the present invention, the height of the most shrunk cover portion is higher than the boundary between the bathtub pan and the washing area. With this configuration, even if the bathtub pan is flooded with the cover part contracted most, if the water level reaches the boundary between the bathtub pan and the washing area, the water flows from the boundary to the washing area and is drained. be done. Therefore, excellent waterproofness can be achieved.

In the bathtub pan waterproof member according to the present invention, the base portion has a hole through which the pipe is passed, and the packing is arranged around the opening on the lower surface of the base portion, and the cover portion is attached to the hole. It has a tubular shape that is connected and extends upward, and has a bellows. That is, the packing can achieve excellent waterproofness in the gap between the bathtub pan waterproof member and the bathtub pan. Further excellent waterproofness can be realized by the lower portion of the cover portion coming into contact with the bathtub pan. In addition, according to the present invention, after the bathtub pan waterproof member is attached to the bathtub pan, it is not necessary to apply caulking around the base portion for the purpose of waterproofing. In addition, the cover can be deformed or expanded/contracted in any direction by the bellows according to the direction and length of the pipe protruding from the opening. Therefore, it can be easily attached to the bathtub pan.

FIG. 1 shows the appearance of a bathtub pan waterproof member according to an embodiment of the present invention, where (a) is a plan side perspective view from above and (b) is a bottom side perspective view from below. FIG. 2 shows the appearance of a bathtub pan waterproof member according to an embodiment of the present invention, in which (a) is a plan view, (b) is a front view, (c) is a side view, and (d) is a bottom view. . 3 shows a cross section of a bathtub pan waterproof member according to an embodiment of the present invention, where (a) is a cross-sectional view taken along the line II-A in FIG. Sectional view, (c) is a sectional view taken along the line II-C in FIG. 2(a). FIG. 4 shows a part of the bathtub pan to which the bathtub pan waterproof member according to the embodiment of the present invention is attached, and is an explanatory view for explaining the process of attaching the bathtub pan waterproof member. FIG. 5 is an explanatory diagram for explaining a state immediately before the bathtub pan waterproof member is attached to the bathtub pan in the process of attaching the bathtub pan waterproof member according to the embodiment of the present invention to the bathtub pan. FIG. 6 is an explanatory diagram for explaining a state in which the bathtub pan waterproof member is attached to the bathtub pan in the process of attaching the bathtub pan waterproof member according to the embodiment of the present invention to the bathtub pan. FIG. 7 is an explanatory diagram for explaining the process of connecting the pipe to the wall-side connection port in a state where the bathtub pan waterproof member according to the embodiment of the present invention is attached to the bathtub pan. FIG. 8 shows a cross section of a bathtub pan and a washing area to which a bathtub pan waterproof member according to an embodiment of the present invention is attached, (a) is a cross sectional view of the bathtub pan with the cover member in a state of natural length, and (b) is a cross section of the bathtub pan. FIG. 4 is a cross-sectional view of the bathtub pan with the cover member contracted;

A bathtub pan waterproof member according to an embodiment of the present invention will be described below with reference to the drawings. 1 to 3 show a bathtub pan waterproof member. 1 and 2 show the appearance of the bathtub pan waterproof member 10, and FIG. 3 shows the cross section of the bathtub pan waterproof member 10. As shown in FIG. 4 to 7 show the installation process of the bathtub pan waterproof member 10. As shown in FIG. FIG. 8 shows a cross section of the bathtub pan 1 and the washing area 30 to which the bathtub pan waterproof member 10 is attached.

As shown in FIG. 5, the bathtub pan waterproof member 10 covers the opening 2 formed in the bathtub pan 1 in which the bathtub (not shown) is installed. Through the opening 2, water supply pipes and hot water supply pipes for equipment (hereinafter, water supply pipes and hot water supply pipes for equipment are referred to as “equipment pipes”) are passed from the frame side toward the bathtub side, and the equipment pipes The tip of 3 protrudes from the bathtub pan 1. - 特許庁The bathtub pan waterproof member 10 is attached to the bathtub pan 1 so as to cover the opening 2 in a state where the facility pipe 3 is passed.

Here, the bathtub pan waterproof member 10 will be described based on the drawings. As shown in FIGS. 1 to 3, the bathtub pan waterproof member 10 includes a base portion 11 attached to the bathtub pan 1 to cover the opening 2 and through which the facility piping 3 is passed, and an upper surface of the base portion 11. has a cover portion 17 that covers the periphery of the facility pipe 3 at the . The base portion 11 and the cover portion 17 are integrally molded.

The base portion 11 is made of resin such as polypropylene, for example. In addition, the material may be, for example, plastic such as polyethylene or polystyrene. The base portion 11 is formed with two holes 12 penetrating vertically. The diameter of each hole 12 is a size through which the equipment pipe 3 passes. A peripheral edge of each hole portion 12 is formed with an annular rib projecting upward from the upper surface side of the base portion 11 . The ribs are double formed of an inner annular rib 13 and an outer annular rib 14 spaced apart from the inner annular rib 13 . Plate-like ribs 15 projecting upward from the upper surface side are formed at the ends of the base portion 11 in the longitudinal direction. Four corners of the base portion 11 are formed with screw holes 16 penetrating vertically. A packing 34 is attached to the peripheral portion of the lower surface of the base portion 11 .

The cover portion 17 is made of elastomer such as rubber, for example. The cover portion 17 has a tubular shape that is connected to the hole portion 12 of the base portion 11 and extends upward. It is The base portion 19 has a cylindrical shape and is arranged in a gap between the inner annular rib 13 and the outer annular rib 14 of the base portion 11 . The protruding water stop portion 18 is connected to the lower portion of the base portion 19 and extends from the lower surface side of the base portion 11 to protrude to the bathtub pan 1 . The projecting water stop portion 18 has an oval shape that surrounds the two holes 12 . In addition, the projecting water stop portion 18 may have a circular shape surrounding the single hole portion 12 . In this case, a projecting water stop portion 18 is formed for each hole portion 12 . The bellows portion 20 is cylindrical and connected to the upper portion of the base portion 19 and has a bellows structure. The distal end portion 21 is cylindrical and connected to the upper portion of the bellows portion 20 .

The bathtub pan waterproof member 10 is configured as described above. Next, a procedure for attaching the bathtub pan waterproof member 10 will be described with reference to the drawings.

As shown in FIG. 4 , a sealing packing 4 is wound around the equipment pipe 3 in a state in which the equipment pipe 3 is passed through the opening 2 of the bathtub pan 1 . As shown in FIG. 5, a caulking material 6 such as silicon is applied to the screw hole 5 of the bathtub pan 1. As shown in FIG. A bathtub pan waterproof member 10 is attached to the bathtub pan 1 by covering the opening 2 while the equipment pipe 3 is passed through the cover part 17.例文帳に追加The bathtub pan waterproof member 10 is fixed to the bathtub pan 1 by passing the screws 7 through the screw holes 5 and 16. - 特許庁When the bathtub pan waterproof member 10 is attached to the bathtub pan 1, the gap between the base part 11 and the bathtub pan 1 is formed by the projecting waterproof part 18 of the cover part 17 and the packing 34 being arranged around the opening part 2. there is Here, since the bathtub pan waterproof member 10 is pressed and fixed to the bathtub pan 1 , the packing 34 is compressed and the protruding waterproof part 18 contacts the bathtub pan 1 . As shown in FIG. 6, the bellows portion 20 of the cover portion 17 is expanded and contracted according to the direction and length of the facility piping 3, and the tip portion 21 of the cover portion 17 is arranged around the sealing packing 4. . A binding band 8 is used to fasten the tip portion 21 together with the sealing packing 4 to the facility pipe 3 . As shown in FIG. 7, the equipment pipe 3 and the wall-side connection port 31 are connected with a flexible pipe 32 or the like.

As shown in FIG. 8, when the bathtub pan waterproof member 10 is attached to the bathtub pan 1, the height of the cover portion 17 is higher than the boundary portion 9 between the bathtub pan 1 and the washing area 30 (see FIG. 8). (a).). Even if the cover portion 17 is in the most contracted state, the height of the cover portion 17 is higher than the boundary portion 9 (see FIG. 8(b)).

As described above, the bathtub pan waterproof member 10 is attached to the bathtub pan 1 . Next, the effects of the bathtub pan waterproof member 10 will be described.

As described above, the bathtub pan waterproof member 10 is attached to the bathtub pan 1, covers the opening 2, and includes the base portion 11 through which the facility pipe 3 passes, and the upper surface of the base portion 11 that covers the periphery of the facility pipe 3. A cover portion 17 is provided, and the base portion 11 and the cover portion 17 are integrally molded (see FIGS. 1 to 3). That is, since the base portion 11 and the cover portion 17 are integrally molded, there is no need to assemble the members. Therefore, the bathtub pan waterproof member 10 can be easily attached to the bathtub pan 1 . Moreover, since there is no gap between the parts 11 and 17, excellent waterproofness can be achieved.

In the cover portion 17 of the bathtub pan waterproof member 10, a protruding water stop portion 18 extends from the lower surface side of the base portion 11 and protrudes up to the bathtub pan 1 (see FIG. 3). The projecting waterproof portion 18 surrounds the two holes 12 (see FIG. 2). With this configuration, the protruding waterproof part 18 contacts the bathtub pan 1, and excellent waterproofness can be achieved in the gap between the bathtub pan waterproof member 10 and the bathtub pan 1. As shown in FIG.

The cover portion 17 of the bathtub pan waterproof member is, for example, tubular and made of elastomer such as rubber, and has a bellows portion 20 . With this configuration, the cover portion 17 can be expanded and contracted according to the direction and length of the facility pipe 3 protruding from the opening 2 . Therefore, the bathtub pan waterproof member 10 can be easily attached to the bathtub pan 1 .

When the bathtub pan waterproof member 10 is attached to the bathtub pan 1, the height of the cover portion 17 is higher than the boundary portion 9 between the bathtub pan 1 and the washing area 30 (see FIG. 8). Even if the cover portion 17 is in the most contracted state, the height of the cover portion 17 is higher than the boundary portion 9 . With this configuration, even if the bathtub pan 1 is flooded with water, if the water level reaches the boundary portion 9, the water flows from the boundary portion 9 to the washing place 30 and is drained. That is, the water does not reach the tip portion 21 of the cover portion 17 which is higher than the boundary portion 9 . Therefore, excellent waterproofness can be achieved.

When the bathtub pan waterproof member 10 is attached to the bathtub pan 1, the gap between the base part 11 and the bathtub pan 1 is formed by the projecting waterproof part 18 of the cover part 17 and the packing 34 being arranged around the opening part 2. there is That is, the packing 34 can achieve excellent waterproofness in the gap between the bathtub pan waterproof member 10 and the bathtub pan 1, and the protruding water stop portion 18 contacts the bathtub pan 1, thereby achieving even better waterproofness. can be realized. With this configuration, after the bathtub pan waterproof member 10 is attached to the bathtub pan 1, caulking around the base portion 11 for the purpose of waterproofing is unnecessary.

Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the above embodiments. Various design changes can be made to the present invention without departing from the scope of the claims.

REFERENCE SIGNS LIST 1 bathtub pan 2 opening 3 facility pipe 4 sealing packing 5 screw hole 6 caulking material 7 screw 8 binding band 9 boundary 10 bathtub pan waterproof member 11 base 12 hole 13 inner annular rib 14 outer annular rib 15 plate-like rib 16 screw hole 17 cover part 18 protruding waterproof part 19 base part 20 bellows part 21 tip part 30 washing place 31 wall side connection port 32 flexible pipe 34 packing

Claims (6)

A bathtub pan waterproof member covering an opening formed in a bathtub pan in which a bathtub is installed and through which a pipe passes,
The base part attached to the bathtub pan to cover the opening and through which the pipe passes, and the cover part covering the circumference of the pipe on the upper surface of the base part are made of different materials and integrally molded.
A bathtub pan waterproof member characterized by: a lower portion of the cover portion protrudes from the lower surface of the base portion to the bathtub pan;
The bathtub pan waterproof member according to claim 1, characterized in that: the height of the cover portion is higher than the boundary portion between the bathtub pan and the washing area;
The bathtub pan waterproof member according to claim 1 or 2, characterized in that: the cover portion expands and contracts;
The bathtub pan waterproof member according to any one of claims 1 to 3, characterized in that: The height of the most contracted cover portion is higher than the boundary portion between the bathtub pan and the washing area,
The bathtub pan waterproof member according to claim 4, characterized in that: The base portion has a hole through which a pipe is passed, and a packing arranged around the opening on the lower surface of the base portion,
wherein the cover portion is tubular extending upward while being connected to the hole portion, and has a bellows;
The bathtub pan waterproof member according to any one of claims 1 to 5, characterized in that:

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