JPH077411Y2 - Mounting structure of drainage guide to drainage fitting of bathtub - Google Patents

Description

[Detailed description of the device] [Industrial applications]

The present invention relates to a structure of a portion to which a drainage guide for guiding drainage from a bathtub is attached.

[Prior art]

When draining water from the bathtub 1, if draining water from the drainage port 2 as it is, problems such as odor and drainage pool may occur, so the drainage fitting 3 attached to the drainage port 2
By attaching the drainage guide 6 to the drainage guide 6 and connecting the drainage pipe 11 to the drainage guide 6, the water in the bathtub 1 is drained from the drainage guide 6 through the drainage pipe 11 to a drain trap or the like. FIG. 8 shows a conventional attachment of the drainage guide 6, in which the drainage fitting 3 is inserted into the drainage outlet 2 of the bathtub 1 and the drainage fitting fixing nut 4 is attached to the lower portion of the drainage fitting 3 projecting downward from the drainage outlet 2. The drainage fitting 3 is attached to the drainage outlet 2 by screwing, and the rubber guide packing 12 is fitted to the outer periphery of the drainage fitting 3 at the drainage fitting fixing nut 4, and the connection port 7 of the drainage guide 6 is attached. The recessed portion 13 formed at the location is inserted into and inserted into the outer peripheral portion of the guide packing 12, so that the drainage guide 6 is attached to the drainage fitting 3 through the guide packing 12.

[Problems to be solved by the device]

However, in this case, the drainage guide 6 is merely attached by the frictional force by insertion,
There is a problem that the drainage guide 6 may easily come off and drop when the bathtub 1 is carried into a construction site, resulting in poor workability. The present invention has been made in view of the above points, and it is an object of the present invention to provide a structure for mounting a drainage guide to a drainage fitting of a bathtub that can securely attach the drainage guide 6 without fear of coming off. It is a thing.

[Means for Solving the Problems]

The structure for mounting the drainage guide to the drainage fitting of the bathtub according to the present invention is such that the drainage fitting 3 is inserted into the drainage opening 2 of the bathtub 1 and the drainage fitting fixing nut is provided on the outer periphery of the lower portion of the drainage fitting 3 protruding below the drainage opening 2. The drainage metal fitting 3 is fixed to the drainage outlet 2 by screwing 4, and the locking piece 5 is formed in a protruding manner at the lower outer periphery of the drainage metal fitting fixing nut 4, and the drainage pipe 11 is connected to the connecting tubular portion.
The main body 40 is integrally extended to the end of 13 to form the drainage guide 6, and the dimension of the main body 40 in the thickness direction is made smaller than the diameter of the connecting cylinder portion 13 to form a concave step on the upper side of the main body 40. The connection port 7 is formed on the bottom surface of the recessed step portion 45 while the portion 45 is provided, and the drainage guide 6
The connection port 7 is inserted into the outer periphery of the drainage fitting fixing nut 4 so that the edge of the connection port 7 can be locked on the upper side of the locking piece 5.

[Action]

According to the present invention, the drainage guide 6 is easily detached and dropped by locking the edge of the connection port 7 of the drainage guide 6 to the retaining piece 5 formed on the drainage fitting fixing nut 4 and retaining the same. Such a thing can be prevented.

【Example】

Hereinafter, the present invention will be described in detail with reference to embodiments. 1 to 3 show an embodiment of the present invention, in which the drainage guide 6 is made of an elastic material such as a rubber material such as EPDM, and a drainage pipe is connected as shown in FIG. And a main body portion 40 integrally extended to the end portion thereof. The dimension of the main body portion 40 in the thickness direction is formed smaller than the diameter of the connecting tubular portion 13, whereby a concave step portion 45 is provided on the upper side of the main body portion 40, and the bottom surface of the concave step portion 45 is further formed. A connection port 7 is opened in this.
An upper flange 14 is integrally provided on the upper surface side of the connection port 7 over the entire circumference thereof, and a groove 15 is formed on the lower side of the upper flange 14 so as to open outward over the entire circumference. . On the other hand, as shown in FIG. 3, the drainage fitting fixing nut 4 is formed by integrally forming a hexagonal flange 16 on the outer circumference of the upper end and a locking piece 5 on the outer circumference of the lower end, respectively. 5, a fitting groove 17 is formed between them and a female screw is formed on the inner circumference. The drainage fitting fixing nut 4 may be made of metal or plastic material. As the drainage fitting 3, the existing one as used in the conventional example of FIG. 8 can be used as it is, and the drainage fitting 3 is provided on the upper end of the cylinder with a locking flange over the entire circumference. The piece 18 is formed and a male screw is formed on the outer circumference. The drainage fitting 3 can be formed not only of metal but also of plastic. Then, first, the drainage fitting 3 is inserted into the drainage port 2 of the bathtub 1 from above, and the locking flange piece 18 is locked to the upper edge of the drainage port 2 via the packing 20. Next, as shown in FIG. 1, fit the ring packing 19 into the outer periphery of the lower part of the drainage fitting 3 which projects downward from the drainage port 2 and screw the drainage fitting fixing nut 4 into the ring packing 19 and the packing 20. The drainage fitting 3 is attached to the drainage port 2 by sandwiching the peripheral edge portion of the drainage port 2 between the locking flange piece 18 and the drainage fitting fixing nut 4.
After attaching the drainage fitting 3 with the drainage fitting fixing nut 4 in this manner, the connection opening 7 of the drainage guide 6 is inserted into the outer circumference of the drainage fitting fixing nut 4 and the connection opening 7 of the drainage fitting is fixed as shown in FIG. By fitting the protruding edge portion into the fitting groove 17 of the drainage fitting fixing nut 4 and locking it to the upper side of the locking piece 5, the drainage fitting 3 can be inserted through the drainage fitting fixing nut 4.
The drainage guide 6 can be attached to the. At this time, the drainage fitting 3 and the drainage fitting fixing nut 7 are housed in the recessed step portion 45 recessed in the drainage guide 6. After this, if necessary, the band 21 is tightened in the groove 15 of the drainage guide 6. A wire or the like can be used as the band 21.
The drain pipe 11 is connected to the connecting cylinder portion 13 of the drain guide 6 at the construction site of the bathtub 1. In the above description, the drain guide 6 has the edge of the connection port 7 fitted into the fitting groove 17 of the drain fitting fixing nut 4 and locked to the locking piece 5, so that the drain guide 6 Does not easily come off, and it is possible to prevent the drainage guide 6 from dropping when carrying the bathtub 1 to the construction site and deteriorating the workability. By tightening with the band 21, the attachment strength of the drainage guide 6 is further enhanced. Further, when the band 21 is tightened in this manner, the adhesion between the drainage fitting fixing nut 4 and the connection port 7 of the drainage guide 6 is enhanced, and the water sealing property is improved to prevent water leakage. FIG. 4 shows another embodiment of the present invention, in which the drain fitting 3 is provided below the drain fitting fixing nut 4.
By attaching a ring nut 22 to the outer periphery of the ring or attaching a ring, the ring nut 22 and the ring are attached to the drainage fitting 3 so as to be the locking piece 5 of the drainage fitting fixing nut 4. is there. In this case, the existing drainage fitting fixing nut 4 can be used as it is. Further, the ring nut 22 and the ring may be fixed and attached to the lower surface of the drainage fitting fixing nut 4 in advance. 5 and 6 show another embodiment of the present invention, in which the space between the hexagonal flange 16 of the drainage fitting fixing nut 4 and the locking piece 5, that is, the fitting groove 17 is shown. The upper and lower widths of the drainage guide 6 are set to be larger than the thickness dimension of the opening edge of the connection port 4 of the drainage guide 6. In this structure, the connection floor 7 of the drainage guide 6 is slid up and down along the fitting groove 17 for adjustment, so that the bathroom installation floor 23
The height of the mounting position of the drainage guide 6 can be adjusted according to the height of the lower surface of the bathtub 1 from. 24 in FIG. 6
Is a male screw on the outer periphery of the drainage fitting 3, and 25 is a female thread of the drainage fitting fixing nut 4. In the embodiment shown in FIG. 7, the drainage fitting fixing nut 4 is divided into an inner cylinder 26 and an outer cylinder 27,
By screwing the male screw 28 on the outer circumference of the inner cylinder 26 into the female screw 29 on the inner circumference of the outer cylinder 27 to adjust the screwing depth, the vertical dimension of the drainage fitting fixing nut 4 can be adjusted. I am doing it. This screwed state can be fixed by tightening the lock nut 30. In FIG. 7, the height of the mounting position of the drainage guide 6 can be adjusted not only by the vertical adjustment along the fitting groove 17 but also by the length adjustment of the drainage fitting fixing nut 4.

[Effect of device]

As described above, according to the present invention, the locking piece is formed on the lower portion of the outer periphery of the drainage fitting fixing nut, and the connection port of the drainage guide is inserted into the outer periphery of the drainage fitting fixing nut so that it is located above the locking piece. Since the edge of the connection port can be locked freely, the edge of the connection port of the drainage guide can be locked and held by the locking piece formed on the drainage fitting fixing nut, and the drainage guide easily comes off and falls. Such a thing can be prevented. The drainage guide is formed by integrally extending the main body at the end of the connecting cylinder to which the drainage pipe is connected, and the dimension in the thickness direction of the main body is made smaller than the diameter of the connecting cylinder to make Since a concave step portion is provided in and a connection port is formed on the bottom surface of this concave step portion,
Members that protrude to the bottom of the bathtub, such as the drainage fittings and drainage fitting fixing nuts that are connected to the connection ports, will be stored in the recessed part of the drainage guide, and the drainage guide and connecting pipe will be located below the bathtub. The bath can be installed thinly in the vertical direction so that it does not protrude significantly, and there is no need to form a recess or hole for storing the drainage guide or connecting pipe on the floor of the bathroom where the bathtub is installed. It can be easily constructed.

[Brief description of drawings]

FIG. 1 is a partial sectional view of an embodiment of the present invention, FIGS. 2 (a) and 2 (b) are sectional views and a plan view of the drainage guide, and FIGS. 3 (a) and 3 (b) are the same. FIG. 4 is a partial sectional view of another embodiment of the present invention, and FIG. 5 is a partial sectional view of yet another embodiment of the present invention. FIG. 6 is an enlarged cross-sectional view of a part of the above embodiment, FIG. 7 is a partially cutaway front view of a drainage fitting fixing nut of yet another embodiment, and FIG. 8 is a partial cross-sectional view of a conventional example. Is. 1 is a bathtub, 2 is a drainage port, 3 is a drainage fitting, 4 is a drainage fitting fixing nut, 5 is a locking piece, 6 is a drainage guide, 7 is a connection port,
Reference numeral 11 is a drain pipe, 13 is a connecting cylinder portion, 40 is a main body portion, and 45 is a concave step portion.

Claims (2)

[Scope of utility model registration request] 1. A drainage fitting is fixed to the drainage outlet by fixing the drainage fitting to the drainage outlet by inserting the drainage fitting into the drainage outlet of the bathtub and screwing the drainage fitting fixing nut onto the outer periphery of the lower portion of the drainage fitting projecting downward of the drainage opening. A locking piece is formed on the lower part of the outer circumference of the fixing nut, and the drainage guide is formed by integrally extending the main body at the end of the connecting cylinder to which the drainage pipe is connected. Is made smaller than the diameter of the connecting tube and a concave step is provided on the upper side of the main body, and a connection port is formed on the bottom of this concave step.The connection port of the drainage guide is inserted into the outer periphery of the drainage fitting fixing nut. The structure of attaching the drainage guide to the drainage fitting of the bathtub, in which the edge of the connection port can be locked on the upper side of the locking piece. 2. The structure for mounting a drainage guide on a drainage fitting of a bathtub according to claim 1, wherein the height of the drainage guide mounted on the drainage fitting fixing nut is adjustable.