JPH0925655A - Drain pipe connection device and method thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To keep a joint body and a bellows tube watertight and easily connect a sheath pipe and the bellow tube to the joint body. SOLUTION: In a part 4 connecting a pipe at the side of a joint body 1 provided with a protruded opening 2 at the upper side and an outflow opening 3 at the bottom, the diameter of the inside joining part 7 connecting the bellows tube 8 is made smaller than the diameter of the outside connecting part 5 attaching the sheath pipe 6. The outside connecting part 5 of the pipe connection part 4 of the joint body 1 and the inside diameter of the middle part of the inside joining part 7 are gradually reduced, putty 21 is stuffed in the clearance between the front end periphery of the bellows 8 and the inner periphery of the inside joining part 7 having a smaller diameter.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drainage connection device and method for connecting a drainage bellows pipe to a drainage port of a drainage facility such as a unit bath.

[0002]

2. Description of the Related Art Recently, a unit bath in which a bathtub and a washing room are unitized has been widely used in a bathroom. However, when the bathtub is damaged, the bathtub unit or the damaged bathtub unit is not replaced. The bathtub unit and the washroom unit are detachable so that only the washroom unit can be replaced. If a drain pipe is connected through a joint to the outlet of a unit bath that has a structure in which the bath unit and the washing unit are detachable, the bathtub unit or the washing unit cannot be replaced easily. A drainage port is provided in each of the bathtub unit and the washroom unit, and a drainage pipe of a bellows pipe is connected to each of these drainage ports to facilitate replacement work of the bathtub unit or the washroom unit. The bellows pipes connected to the drainage ports of the bathtub unit and the washroom unit of the unit bath are connected to the drainage basin by inserting the sheath pipe that penetrates the foundation.

[0003]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention The connection pipe portion of the joint for connecting the sheath pipe and the bellows pipe to the drainage pipe is connected to the drainage pipe of the bathtub unit and the washroom unit of the unit bath. With such a diameter, a large gap is created between the outer peripheral surface of the small-diameter bellows tube and the inner peripheral surface of the connecting pipe portion.
There is a problem that the workability of filling and filling the putty in this gap is poor and the watertightness is poor.

The present invention has been made in view of the above-mentioned problems. Usually, the diameter of the drainage pipe must be increased from the upstream side to the downstream side, but focusing on the fact that drainage does not flow directly into the sheath pipe, the sheath (EN) Provided are a drainage connecting device and a method for connecting a pipe and a bellows pipe easily and capable of reliably maintaining watertightness.

[0005]

A drainage connecting device according to a first aspect of the present invention comprises a joint body having a cleaning port projecting upward, an outlet opening downward, and a connecting pipe portion laterally. The side connection pipe portion of the joint body is formed such that the diameter of the inner joint opening portion for connecting the bellows pipe is smaller than the diameter of the outer connection opening portion for connecting the sheath pipe.

A sheath pipe is connected to the outer connecting port of the side connecting pipe of the joint body, and the bellows pipe inserted in the sheath is connected to the inner connecting port to thereby connect the inner connecting port. The watertightness can be easily maintained by reducing the gap between the inner peripheral surface and the outer peripheral surface of the bellows tube.

A drainage connecting device according to a second aspect of the present invention is the drainage connecting device according to the first aspect, wherein an inner diameter of an intermediate portion between the outer connecting opening portion of the side connecting pipe portion and the inner joining opening portion of the joint body is It is a gradual reduction.

The tip of the bellows tube inserted through the sheath tube can be easily connected to the inner merging port by being guided by the gradually decreasing inner diameter of the intermediate portion between the outer connecting port and the inner merging port.

According to the drainage connecting method of the present invention, a large-diameter outer connecting port portion of the connecting pipe portion opened laterally of the joint body having a cleaning port projecting upward and an outlet port opening downward. A sheath pipe is inserted into and connected to the drainage pipe, and the bellows pipe connected to the drainage facility is inserted into the sheath pipe. Is embedded.

A sheath pipe is connected to the outer connection port of the side connection pipe of the joint body, and the bellows pipe inserted through the sheath pipe is connected to the inner connection port, so that the inner connection port The gap between the inner peripheral surface and the outer peripheral surface of the bellows tube is small, and watertightness is easily maintained by filling the gap between the inner peripheral surface of this inner junction and the outer peripheral surface of the bellows tube with putty. it can.

A drainage connecting method according to a fourth aspect of the present invention is the drainage connecting method according to the third aspect, wherein the bathtub unit and the washroom unit are used in a drainage port of a removable unit bath. The replacement work of the unit or washroom unit becomes easy.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION The construction of an embodiment of the drainage connection device and method of the present invention will be described with reference to the drawings.

In FIG. 1 and FIG. 2, reference numeral 1 is a joint body molded of synthetic resin, and a cleaning port 2 having a large diameter receiving port is provided above.
And the outlet port 3 of the receiving port which is eccentric to the cleaning port 2 and has a diameter smaller than that of the cleaning port 2 is opened downward. Then, the connecting pipe portion 4 protruding laterally to the inclined side surface due to the eccentricity of the axial center of the cleaning port 2 and the outlet port 3 of the joint body 1.
Are formed.

The side connecting pipe portion 4 of the joint body 1 has an inner diameter that allows the outer connecting port portion 5 of the receiving port to fit and connect the sheath pipe 6, and the inner merging port portion 7 is the outer connecting port portion. It is formed to have a diameter smaller than the diameter of 5 and to which the bellows tube 8 can be connected.

The inner diameter of the intermediate portion between the outer connecting port portion 5 and the inner merging port portion 7 of the side connecting pipe portion 4 is a guide pipe portion 9 whose upper side is gradually reduced.

Further, as shown in FIG. 3, the unit bath 10 connecting the sheath pipe 6 and the bellows pipe 8 has a bathtub unit 11
The washing place unit 12 is detachably unitized. Drainage outlets 13 and 14 are formed at the bottom of the bathtub unit 11 and the washroom unit 12, respectively.

Then, the two sheath pipes 6 are previously fixed by penetrating when the concrete of the foundation 15 of the bathroom is cast. Next, when the unit bath 10 is installed, the bellows pipes 8 are connected to the drain ports 13 and 14 of the bathtub unit 11 and the washing place unit 12, respectively, and the tips of the bellows pipes 8 are inserted into the foundation 15 respectively. They are inserted into the respective sheath tubes 6 and are led out to the outside of the bathroom. When the bellows tube 8 is inserted into the sheath tube 6, the tip of the bellows tube 8 is easily guided by the guide tube section 9 having a gradually reduced inner diameter between the outer connecting port section 5 and the inner joining section 7. It can be inserted into the inner merging port 7.

Further, each pipe 20 is connected upward through a trap 19 connected to a branch pipe connection portion 18 of each drainage basin 17 installed outside the bathroom, and the flow of each joint body 1 is connected to each pipe 20. Connect the outlets 3 respectively. Further, the sheath pipes 6 penetrating the foundation 15 are respectively inserted into the outer connection port portions 5 of the connection pipe portions 4 of the joint main bodies 1 to be adhesively connected.

Next, each bellows pipe inserted into each outer pipe 5 of the joint pipe 1 of each joint body 1 and inserted into each sheath pipe 6 and whose inner converging port 7 has its tip exposed. 8
Putties 21 are respectively embedded in the gaps between the outer periphery of the tip of the and the inner periphery of the small-diameter inner merging port 7 of the connecting pipe 5. The base end of the bellows tube 8 is connected to the drainage ports 13 and 14 of the bathtub unit 11 and the washroom unit 12 of the unit bath 10. A simple trap 22 called a bowl trap is provided at the drainage port 14 of the washing place unit 12.

The bathtub unit of the unit bath 10
When replacing the 11 or the washing room unit 12, the putty 21 embedded in the gap between the inner circumference of the inner joint opening 7 of the joint body 1 and the outer circumference of the tip of each bellows tube 8 is removed to remove the bathtub unit 11 or the washing room part. When removing the unit 12, its drain
The bellows tube 8 connected to 13 or the drainage port 14 can also be removed from the sheath tube 6.

The bathtub unit 11 newly installed
Alternatively, the base end of the bellows tube 8 which is longer than the required size is connected to the drainage port 13 or the drainage port 14 of the washing place unit 12, and the tip of the bellows tube 8 is inserted into the sheath pipe 6 by utilizing the space 23 under the floor. Then, the bellows tube 8 is cut to an appropriate length, and the putty 21 is embedded in the gap between the outer circumference of the tip of the bellows tube 8 and the inner circumference of the small-diameter inner merging port 7 of the connecting pipe 5.

[0022]

According to the present invention, by connecting the sheath pipe to the outer connecting port of the side connecting pipe of the joint body, and connecting the bellows pipe inserted in the sheath to the inner merging port, The watertightness can be easily maintained by reducing the gap between the inner peripheral surface of the inner confluence portion and the outer peripheral surface of the bellows tube.

Further, since the tip of the bellows tube inserted through the sheath tube is guided by the gradually reduced inner diameter of the intermediate portion between the outer connecting port and the inner joining port, the bellows pipe can be easily extended to the inner joining port. It can be inserted, and the gap between the inner merging port of the joint body and the bellows tube is reduced to facilitate the watertight connection between the inner merging port and the bellows tube with putty.

A sheath pipe is connected to the outer connection port of the side connection pipe of the joint body, and the bellows pipe inserted through the sheath pipe is connected to the inner confluence part so that the inner circumference of the inner confluence part is The gap between the surface and the outer peripheral surface of the bellows tube is small, and the watertightness can be easily maintained by filling the gap between the inner peripheral surface of the inner merging port and the outer peripheral surface of the bellows tube with putty, Construction of drainage connection device of drainage facility becomes easy.

In particular, the repair work of the unit bath becomes easy.

[Brief description of drawings]

FIG. 1 is a longitudinal sectional view showing an embodiment of a joint body of a drainage connection device of the present invention.

FIG. 2 is a plan view of the above drainage connection device.

FIG. 3 is an explanatory diagram showing a state of the above drainage connection device.

[Explanation of symbols]

 1 Joint body 2 Cleaning port 3 Outlet port 4 Side connection pipe part 5 Outer side connection port part 6 Sheath pipe 7 Inner confluence part 8 Bellows pipe 10 Unit bath for drainage 21 Putty

Claims (4)

[Claims] 1. A joint main body having a cleaning port projecting upward, an outlet opening downward, and a connecting pipe portion laterally provided, the lateral connecting pipe portion of the joint main body connecting a sheath pipe. A drainage connection device characterized in that a diameter of an inner merging port portion for connecting a bellows tube is formed to be smaller than a diameter of an outer connecting port portion. 2. The drainage connection device according to claim 1, wherein an inner diameter of an intermediate portion between the outer connection port portion and the inner connection port portion of the side connection pipe portion of the joint body is gradually reduced. 3. A drain pipe is formed by inserting a sheath pipe into a large-diameter outer connecting port portion of a connecting pipe portion having a cleaning port projecting upward and an outlet port opening downward, and which is opened laterally of a joint body. A drainage connection characterized in that a bellows pipe connected to equipment is inserted through the sheath pipe, and putty is embedded in a gap between a tip outer periphery of the bellows pipe and an inner periphery of a small-diameter inner confluence portion of the connection pipe portion. Method. 4. The drainage connection method according to claim 3, wherein the drainage facility is a unit bath.