JPH08338054A - Drainage joint of water tank - Google Patents

Abstract

PURPOSE: To provide a dranage joint of a water tank at low cost without damaging drainage efficiency irrespective of its flat shape. CONSTITUTION: In a synthetic resin drainage joint screwed in a drain pipe 3 on the rear of a bathtub 1 and held the bottom 1-1 of the bathtub 1 together with the drain pipe 3, and a screwed pipe section 10 with an outside diameter L2 smaller than an inside diameter L1 of a drainage accepting section 5 and having height connected with the drain pipe 3 and an effective screw margin is vertically provided to an upper surface opening of a main body 7 horizontally providing a drainage joint pipe section 6 by linking the main body with the side of the flat drainage accepting section 5 opened the upper surface thereof. Drainage efficiency is not damaged irrespective of a flat shape of the drainage joint by ensuring a required drainage equipment space 9 between the internal surface of the drainage accepting section 5 and an inlet 6-1 of the drainage joint pipe section 6 from the screwed pipe section 10 to form.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drainage joint connected to a drainage pipe provided at the bottom of a water tank such as a washbasin or a bathtub, and more specifically, to a space provided by utilizing the height of a bathtub leg or the like. The present invention relates to a flat drain joint provided.

[0002]

2. Description of the Related Art Conventionally, as a drainage joint of this type, FIG.
It is known that the one shown in FIG. 5 is attached to the water tank such as a washbasin and a bathtub, and in the figure, the bottom portion 20-1 of the bathtub 20 is sandwiched between the drain tube 21 and the upper surface thereof is opened. The bottom cylindrical drainage receiving portion 22, the drainage connecting pipe portion 23 communicating with the side portion of the drainage receiving portion 22, and the screwing tubular portion 24 formed in the drainage receiving portion 22.
The water is drained by the drain tube 21 that is screwed into the threaded tube portion 24.

[0003]

These drainage joints are installed on the installation surface P which is restricted by the height of the bath tub legs and the bottom portion 20 of the bath tub 20.
-1 and it has a relatively flat shape because it is necessary to be placed between the -1 and -1, and due to this inevitability, the effective thread allowance of the threaded tubular portion 24 causes the water passage area of the inlet 23-1 in the drainage connecting pipe portion 23. However, there was a problem that the drainage efficiency was reduced and the drainage time was prolonged. Further, as shown in FIGS. 6 to 7, the drainage connecting pipe portion 25
The drainage joint is formed in a horizontally long rectangular shape to compensate for the reduction of the water passage area due to the effective screw allowance of the screwing cylinder part 26 at the entrance to the inlet, and the final end is a circular pipe part by gradually changing the vertical and horizontal dimensions. However, it was difficult to handle because it became long and large in the axial direction of the pipe.

The present invention has been made in view of such conventional circumstances, and an object thereof is to provide an inexpensive drainage joint for an aquarium which does not impair drainage even though it is flat.

[0005]

[Means for Solving the Problems] The technical means taken to achieve the above-mentioned object is to screw the drain pipe and the back of the water tank,
In the drain joint that holds the bottom of the water tank with the drain cylinder, the drain receiving pipe is connected to the side of the flat drain receiving portion that opens the upper surface, and the drain connecting pipe is installed in the upper opening of the main body. A threaded cylinder portion having a diameter smaller than the inner diameter of the portion and connected to the drainage tube by an effective screw allowance is hung, and the inner peripheral surface of the drainage receiving portion and the drainage connection pipe portion are provided from the screwed cylinder portion. The gist is that a desired drainage inflow space is formed between the inlet and the outlet.

[0006]

[Operation] According to the above technical means, a drainage wrapping space is secured around the screwed cylinder portion where the drainage tube is screwed and coupled by the effective screw allowance, and the entire inlet of the drainage connection pipe portion is opened into the main body. .

[0007]

EXAMPLE An example of the embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, the stopper lid 2 is remotely operated by an operation unit (not shown) provided at a location such as an upper edge of the bathtub 1. The mechanical box 4 that opens and closes the drainage pipe 3 by moving up and down is screwed into the drainage pipe 3 provided at the center with the back of the bathtub 1. The drainage pipe 3 and the bottom part 1-1 of the bathtub 1 are connected to each other. An example of a drainage joint made of synthetic resin to be sandwiched is shown. A body 7 in which a drainage connection pipe portion 6 is provided laterally by communicating the drainage joint with a side portion of a flat drainage receiving portion 5 having an upper surface opened, and the body 7 Has an annular collar portion 8 fixed to the upper opening (upper edge) of the upper end of the drainage receiving portion 5 and the inner peripheral surface of the drainage receiving portion 5 and the inlet 6-1 of the drainage connecting pipe portion 6 to the desired drainage. It is composed of a threaded cylindrical portion 10 which is vertically provided so as to secure the wraparound space 9.

The drainage receiving portion 5 has an upper surface opened and an inner diameter L ₁
Is formed into a bottomed tubular shape having a diameter larger than the outer diameter L ₂ of the threaded tubular portion 10, and the drainage connecting pipe portion 6 is laterally provided in the side portion for communication and is connected to a drainage main pipe or a sewer pipe. The drain pipe 11 is connected. Further, at a left-right symmetrical position on the side of the drainage receiving portion 5, a release 12 which is a remote operating means for connecting an unillustrated thrust lock mechanism in the mechanical box 4 and an operating portion.
An intake port 13 for taking in is opened (see FIG. 2).

The threaded cylinder portion 10 has a height at which it is connected to the drainage tube 3 having a well-known structure by an effective screw allowance, and has an outer diameter L ₂ in a substantially ring shape having a diameter smaller than the inner diameter L ₁ of the drainage receiving portion 5. The upper end of the drainage receiving portion 5 is formed by forming a ring-shaped flange 8 projecting laterally in a ring shape at the upper end of the drainage receiving portion 5 and fixing the upper edge of the drainage receiving portion 5 by an appropriate means such as adhesion or welding. The bottom part 1-1 of the bathtub 1 is clamped by screwing with.

Then, after the main body 7 and the threaded cylinder portion 10 are appropriately molded by a casting method using a synthetic resin material or the like, the upper edge of the drainage receiving portion 5 is formed into the annular collar portion 8 of the threaded cylinder portion 10. A desired drainage circumscribing space 9 is secured between the inner peripheral surface of the drainage receiving portion 5 and the inlet 6-1 of the drainage connecting pipe portion 6 by being fixed by an appropriate means such as adhesion or welding. That is, since the entire inlet 6-1 of the drainage connecting pipe portion 6 is made to face the inside of the drainage receiving portion 5 of the main body 7, the drainage of the water passage area, which has been conventionally reduced, wraps around the drainage pipe behind the screwed tubular portion 10. The water can be swiftly drained by flowing from the space 9 and flowing out from the inlet 6-1 of the drainage connecting pipe portion 6.

In FIG. 3, the stopper lid 14 is fixedly connected to the other end of the chain 15 or the like having one end fixed to the tank wall 1-2 or the like of the bathtub 1, and the drain 15 is opened by raising or lowering the chain 15. -This is another embodiment in which the plug is closed, and as described above, the inlet 6-of the drainage connecting pipe portion 6
1 The whole is exposed to the inside of the drainage receiving part 5 of the main body 7, and the drainage flows from the drainage wrapping space 9 behind the screwed cylinder part 10 and flows out from the inlet 6-1 of the drainage connecting pipe part 6 to quickly drain the water. It is formed to do. In such an embodiment, the configurations of the stopper lid 14 and the drain pipe 16 are changed, and in the configuration other than the intake port 13 of the release 12 is removed from the side portion of the drainage receiving portion 5 of the main body 7, the detailed description of the embodiment described above is made. Since they are basically the same, the same reference numerals are used for the same components and the description thereof will be omitted.

Although the drain joint made of synthetic resin has been described in detail in the above embodiments, the drain joint may be integrally formed by casting.

[0013]

The drainage joint of the water tank of the present invention is as described above.
A screwing cylinder that is screwed and connected to a drainage pipe with a diameter smaller than the inner diameter of the drainage receiving part, at the upper surface opening of the main body in which the drainage connecting pipe part is provided in communication with the side part of the flat drainage receiving part that opens the upper surface. A portion of the drainage connection pipe portion, and a desired drainage wrapping space is formed between the threaded cylinder portion and the inner peripheral surface of the drainage receiving portion and the inlet of the drainage connection pipe portion. Since it was made to face the inside of the main body, the drainage for the water flow area that was traditionally reduced circulates from the drainage wrapping space behind the screwed cylinder part and flows in and is drained, ensuring a large water flow area and draining. The efficiency can be improved and the water can be drained quickly. Therefore, in order to compensate for the reduction of the water flow area, it is necessary to increase the size like a conventional drainage joint in which the horizontal and vertical dimensions are gradually changed from the horizontally elongated rectangular inlet part to make the outlet part a circular pipe part. It is easy and easy to handle.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an example of an embodiment of a drainage joint of the present invention in a state in which a drain pipe and a back of a bathtub are screwed together.

FIG. 2 is a perspective view showing a state in which a main body and a screw cylinder are separated from each other.

FIG. 3 is a sectional view showing another embodiment.

FIG. 4 is a sectional view showing a conventional example.

5 is a sectional view taken along line VV of FIG.

FIG. 6 is a perspective view showing a conventional example.

FIG. 7 is a sectional view of the same.

[Explanation of symbols]

1 ... Bathtub 1-1 ... Bottom part 2, 14 ... Stopper cap 3,3 6 ... Drainage tube 5 ... Drainage receiving part 6 ... Drainage connection pipe part 6-1 ... Inlet 7 ... Main body 8 ... Annular collar part 9 ... Drainage surrounding space 10 ... Screw cylinder

Claims (1)

[Claims] 1. In a drainage joint, which is screwed to a drain pipe and the back of a water tank, and holds the bottom of the water tank between the drain pipe and the drain pipe, the drainage is communicated with the side part of a flat drainage receiving portion having an upper surface opened. At the upper opening of the main body having the connecting pipe portion, a screwing cylinder portion having a diameter smaller than the inner diameter of the drainage receiving portion and having a height for connecting to the drainage pipe by an effective screw allowance is vertically provided, and from the screwing cylinder portion. A drainage joint for a water tank, wherein a desired drainage wrapping space is formed between the inner peripheral surface of the drainage receiving portion and the inlet of the drainage connecting pipe portion.