JP2851186B2 - Trap tube with cleaning port - Google Patents

Abstract

PURPOSE:To eliminate the need for a working space in a lower section, to clean the inside of a trap pipe body easily even when there is no working space in the lower section, to fix a blocking body easily at a correct position, to prevent the disturbance of the flow of waste water by the blocking body and to close an opening section positively. CONSTITUTION:A cleaning hole 16 is formed in the side face section of a trap pipe body 11. A cleaning hole pipe 21 is protruded from the cleaning hole 16. A cover body 51 and a blocking body 41, which are movably fitted mutually rotatably and connected, are inserted into the cleaning hole pipe 21 and blocked. The cleaning hole 16 is blocked by the blocking surface section 42 of the blocking body 41. The blocking surface section 42 is formed into a shape that it is connected smoothly to the inner circumferential surface of the trap pipe body 11. The thread groove 56 of the cover body 51 and the thread groove 33 of the cleaning hole pipe 21 are screwed. The engaging projection 46 of the blocking body 41 is engaged with the engaging groove 31 of the cleaning hole pipe 21, thus preventing the rotation of the blocking body 41. The flange section 45 of the blocking body 41 is fast stuck to an engaging stepped section 24 and the disk section 52 of the cover body 51 to the collar section 28 of the cleaning hole pipe 21 through an annular elastic body 36 respectively under the state in which the cover body 51 is clamped and fixed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a trap tube with a cleaning port provided with a cleaning port in a U-shaped trap tube for preventing backflow of odor and the like.

[0002]

2. Description of the Related Art Conventionally, this type of trap tube with a cleaning port is
An opening is formed at the bottom of the trap tube main body, and the opening is closed by a detachable lid. When cleaning the inside of the trap tube, the lid is removed and the cleaning operation is performed from below.

[0003]

However, if a cleaning port is formed at the bottom of the trap tube main body as in the prior art, particularly when the trap tube is disposed at a low position such as under the floor, the trap tube may be lowered. There is a problem that the working space is often small and cleaning work when the trap tube is clogged becomes difficult.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a trap tube with a cleaning port which does not require a working space below and which can easily clean the inside of the trap tube.

[0005]

A trap tube with a cleaning port according to the present invention comprises a substantially U-shaped trap pipe main body, a cleaning port formed in a side portion of the trap pipe main body, and a peripheral edge of the cleaning port. And a cleaning mouth pipe formed so as to protrude from the portion toward the outer end side and forming an annular locking step portion on the inner peripheral portion toward the outer end side and a locking groove from the locking step portion to the cleaning port. A flange portion fitted into the cleaning port tube from the outer end side and closely locked to the locking step portion, a locking ridge engaged with the locking groove, and the trap tube main body A closing member having a curved closing surface portion that is smoothly continuous with the inner peripheral surface of the cleaning member, and a lid that is tightly engaged and fixed to the cleaning port tube from the outer end side, and locks the closing member in the cleaning port direction. And a body.

[0006]

According to the trap tube with a cleaning port of the present invention, since a cleaning port is formed on the side of the trap pipe which performs an odor preventing function by drainage collected in the inside, a working space is not required below.
Even if there is no working space below, the inside of the trap tube can be cleaned from the side. In addition, since the closing surface of the closing body closes the cleaning port smoothly and continuously with the inner peripheral surface of the trap tube main body, it does not hinder the flow of drainage and the like. Since the lid engaged with and fixed to the cleaning port tube and the closing member for closing the cleaning port are constituted by separate members, the locking ridge of the closing member is engaged with the locking groove of the cleaning port tube. By doing so, the closure is fitted and fixed in the correct position and direction regardless of the engagement operation of the lid. Further, in a state in which the lid is engaged and fixed, the flange portion of the closing body is in close contact with the locking step portion, and the lid is in close contact with the cleaning port tube, thereby preventing water leakage and the like.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a trap tube with a cleaning port according to an embodiment of the present invention.

In FIG. 1, reference numeral 11 denotes a trap tube main body formed of a synthetic resin such as polyvinyl chloride. The trap tube main body 11 has a substantially U-shape and has an inlet 12 facing upward.
And an outlet 13, and a receiving base 15 is formed on the bottom surface.

The trap tube body 11 has an inlet port.
An elliptical cleaning port 16 is formed in an opening below the side surface 12 and near the bottom portion, and a substantially cylindrical cleaning port pipe 21 is formed from a peripheral portion of the cleaning port 16 toward the outer end side. It is protruded integrally.

The cleaning port tube 21 has a thick wall portion 23 formed in the vicinity of the cleaning port 16 and a thin wall portion 25 through a locking step portion 24 formed in an annular shape on the inner peripheral surface. Continuously, from the cleaning port opening 27 at the outer end, a flange 28
Is protruding.

A locking groove 31 is recessed from the locking step 24 toward the cleaning port 16 at the bottom of the inner peripheral surface of the thick portion 23, and a screw groove 33 is formed on the inner peripheral surface of the thin portion 25. Is threaded. Also,
An annular step 35 is recessed at the edge of the thin portion 25 and the flange 28, and an annular elastic body 36 such as a rubber ring is fitted to the annular step 35.

As shown in FIG. 1 and FIG. 2, reference numeral 41 denotes a closing body (coma) formed of a synthetic resin such as polyvinyl chloride. Department
It has a substantially cylindrical shape that fits into the inner periphery of 23, with an open outer end face,
A curved closing surface portion 42 is formed on the inner end surface.

The closing surface 42 closes the cleaning port 16 and smoothly continues to the inner peripheral surface of the trap tube main body 11 with the closing body 41 fitted in the cleaning port tube 21. Has become.

At the outer end of the closing body 41, an annular projection 44 is provided so as to project toward the outer periphery. A flange portion 45 having a slightly larger diameter and fitted on the inner periphery of the thin portion 25 and locked by the locking step portion 24 is provided so as to protrude in the outer circumferential direction.

Further, at the bottom of the outer peripheral surface of the closing body 41,
A locking ridge 46 that engages with the locking groove 31 of the cleaning port tube 21 projects from the flange 45 toward the inner end.

As shown in FIGS. 1 and 3, reference numeral 51 denotes a lid made of a synthetic resin such as ABS resin.
A disk portion 52 that is in close contact with the flange portion 28 of the cleaning port tube 21 and closes the cleaning port tube opening 27; a plurality of knob portions 54 protruding from the disk portion 52 to the outer end side; And a cylindrical portion 55 protruding concentrically from the portion 52 to the inner end side.

In the cylindrical portion 55, a screw groove 56 screwed with the screw groove 33 of the thin portion 25 is threaded on the outer peripheral surface, and is formed on the annular projection 44 of the closing body 41 near the inner end of the inner peripheral surface. An annular groove 57 for loose fitting is formed.

Next, the mounting operation of the trap tube with a cleaning port of this embodiment will be described.

First, the annular projection 44 of the closing body 41 and the annular groove 57 of the lid 51 are fitted, and the closing body 41 and the lid 51 are rotatably connected to each other.

Then, the locking projection 46 of the closing body 41 is connected to the cleaning port pipe.
The closing body 41 and the lid body 51 are inserted into the cleaning port tube 21 in a state where the closing body 41 is engaged with the locking groove 31 and the rotation of the closing body 41 is suppressed.

Then, the cover 51 is rotated by using the knob 54, and the screw groove 33 of the cleaning port tube 21 and the screw groove 56 of the cover 51 are screwed and tightened. In this state, the closing surface 42 of the closing body 41 is smoothly continuous with the inner peripheral surface of the trap tube main body 11 and the cleaning port 16 is closed.
At the same time, the flange portion 45 of the closing body 41 is in close contact with the locking step portion 24, and the disc portion 52 of the lid body 51 is in close contact with the flange portion 28 of the cleaning port tube 21 via the annular elastic body 36, and water leakage is caused. To prevent such.

Thus, according to the trap tube with a cleaning port of the present embodiment, the cleaning port 16 is provided on the side of the trap tube main body 11 which prevents the backflow of odor and the like by the drainage collected inside and performs the deodorizing function. Because it is formed, there is no need for a work space below, especially when the trap tube main body 11 is arranged at a low position such as under the floor, even if there is no work space below, it is easy to clean the inside of the trap tube main body 11 Can be.

The closing surface portion 42 of the closing body 41 closes the cleaning port 16 smoothly and continuously with the inner peripheral surface of the trap tube main body 11, so that the flow of drainage or the like is not obstructed, and the accumulation of dirt is prevented. There is no cause.

The closed surface portion 42 is provided in the trap tube main body.
Since it is formed in accordance with the shape of the inner peripheral surface of 11, the closing body 41 has a mounting direction, but the lid 51 and the closing body 41 having the screw groove 56 are constituted by separate members, Since they are rotatably loosely fitted and connected to each other, by engaging the locking ridge 46 of the closing body 41 with the locking groove 31 of the cleaning port tube 21,
The rotation of the closing body 41 is suppressed, and the closing body 41 can be fitted and fixed in the correct position and direction regardless of the rotational position of the lid 51.

Further, in a state where the lid 51 is tightened and fixed, the flange portion 45 of the closing body 41 is engaged with the locking step portion 24, and the disk portion 52 of the lid 51 is attached to the cleaning port tube 21 via the annular elastic body 36. Tsuba 28
To each other to prevent water leakage and the like.

When the inside of the trap tube body 11 is cleaned, by removing the lid 51, the closing body 41 connected to the lid 51 can be easily taken out.

[0027]

According to the trap tube with a cleaning port of the present invention, a cleaning port is formed on the side portion of the trap tube which performs a deodorizing function by preventing backflow of odor and the like by drainage collected inside, so that work can be performed downward. No space is required, and particularly when the trap tube is disposed at a low position such as below the floor, the inside of the trap tube can be easily cleaned from the side without a work space below. In addition, since the closing surface of the closing body closes the cleaning port smoothly and continuously with the inner peripheral surface of the trap tube main body, it does not obstruct the flow of drainage and the like, and does not cause accumulation of dirt. Further, since the lid engaged with and fixed to the cleaning port tube and the closing member for closing the cleaning port are formed by different members, the locking ridge of the closing member is engaged with the locking groove of the cleaning port tube. By the engagement, the closing body can be fitted and fixed in the correct position and direction regardless of the engagement operation of the lid. Further, in a state where the lid is engaged and fixed, the flange portion of the closing body is in close contact with the locking step portion, and the lid is in close contact with the cleaning port tube, thereby preventing water leakage and the like.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing one embodiment of a trap tube with a cleaning port of the present invention.

FIG. 2 is a bottom view of the closing member.

FIG. 3 is a side view of the upper cover.

[Explanation of symbols]

 11 Trap tube main body 16 Cleaning opening 21 Cleaning opening tube 24 Locking step 31 Locking groove 41 Closure body 42 Closure surface 45 Flange 46 Locking ridge 51 Lid

Claims (1)

(57) [Claims] 1. A substantially U-shaped trap tube main body, a cleaning opening formed in a side portion of the trap tube main body, and a projection protruding from a peripheral portion of the cleaning opening toward an outer end side, and an inner periphery thereof. A cleaning step pipe formed with an annular locking step toward the outer end side and a locking groove from the locking step toward the cleaning port; and fitting into the cleaning port pipe from the outer end side. A flange portion closely fitted to the locking step portion, a locking ridge engaged with the locking groove, and a curved closing surface portion smoothly continuing to the inner peripheral surface of the trap tube main body. A trap having a cleaning port, wherein the lid is fixedly engaged and fixed to the cleaning port tube from the outer end side, and locks the blocking element in the cleaning port direction. tube.