KR100880459B1 - Bathroom Drainage System - Google Patents

Abstract

The present invention relates to a wash basin drainage system for collecting and discharging sewage discharged from a wash basin and a bathtub and sewage discharged from a wash basin and a bathtub, and particularly embedded in a concrete layer forming a floor. Provides a drainage system of the washbasin chamber that is easy to repair the collection pipe and the drain pipe connected to the drain pipe device from the sink and the tub and can easily clean the dirt in the drain pipe device.

Bathtub, Drainage System, Drainpipe, Upper Frame

Description

Bathtub Drainage System

1 is a cross-sectional view showing one embodiment of a conventional toilet tub drain system.

Figure 2 is a view showing an embodiment of the double pipe constituting the toilet tub drain system according to the present invention.

Figure 3 is a cross-sectional view showing the L-type joint pipe fastened to the fastener and fastening the double pipe of Figure 2 constituting the toilet tub drain system according to the present invention.

Figure 4 is a perspective view and a cross-sectional view showing an embodiment of the upper frame of the drain pipe device constituting the toilet tub drain system according to the present invention.

Figure 5 is a cross-sectional view showing a state in which the double pipe of Figure 2 is fastened to the drain pipe device of the toilet tub drain system according to the present invention.

Figure 6 is a plan view and a cross-sectional view showing one embodiment of a removable drain trap fastened to the drain pipe device of the toilet tub drain system according to the present invention.

<Description of the symbols for the main parts of the drawings>

10,500: drain pipe device body 11: drain pipe fastening portion

12: collecting pipe joint 20,510: track groove body

21,511: Track groove 30,520: Slider

40,400: Upper frame 51,531: External cylinder

52,532: inner cylinder 53,533: tube

60: upper base plate 70: water collecting pipe

80: drain pipe 100: double pipe

110,110 ': Protective tube 120,120': Internal tube

121: L type connection pipe fastening part 122: Rubber packing

123,123 ': Rib 200: L type connecting tube

210: double pipe fastener insert 300: double pipe fastener

310: L-type connecting tube fastening part 320: protective tube inserting part

330: inner tube joint 340: inner tube guide

410: outer frame 411: slider coupling portion
412: jamming jaw

420: inner frame 421: outer frame joint

422: rubber packing insert groove 423: rubber packing

424: intake backflow prevention port insertion hole 425: intake backflow prevention device

501: water collecting pipe fastening portion 502: drain pipe fastening portion

600: drain trap 610: drain trap body

611: first compartment plate insert 612: second compartment plate insert
613: main wall plate 614: floor

620: water pipe fastening portion insertion pipe 621: rubber packing

630: the first compartment 640: the second compartment

650: handle A: foundation floor concrete layer

B: finishing concrete floor C: floor finish

The present invention relates to a wash basin drainage system for collecting and discharging sewage discharged from a wash basin and a bathtub and sewage discharged from a wash basin and a bathtub, and particularly embedded in a concrete layer forming a floor. Provides a drainage system of the washbasin chamber that is easy to repair the collection pipe and the drain pipe connected to the drain pipe device from the sink and the tub and can easily clean the dirt in the drain pipe device.

In general, the drainage system of the wash basin is equipped with a sink and a bath tub, and the drainage system is connected by the sink and the bath room, the sink and the tub and the sewer pipe, and the sewage and bottom sewage used in the wash basin and bathtub is collected and discharged do.

In addition, as shown in Figure 1, the drain pipe device has an outer diameter smaller than the interval of the standardized reinforcement when the floor construction of the basin bath, and to collect the sewage of the wash basin or tub to collect the sewage discharged from the sink and the tub Drain pipe for fastening the water collecting pipe fastening portion 12 for inserting and fastening the water collecting pipe 70 and the drain pipe 80 for discharging the sewage introduced from the water collecting pipe 70 and the sewage introduced from the bottom of the wash tub chamber. The drain pipe device main body 10 having a fastening part 11, the track groove body 20 is inserted into the upper portion of the drain pipe device main body 10 and fixed to the top of the drain pipe device main body, and the track groove body 20 of Slider 30 is inserted into the raceway groove 21 and movable in all directions, coupled to the upper frame engaging portion of the slider 30, the intake reverse flow prevention insert is formed in the center and is coupled by the slider 30The upper body 40 which can flow to a room, and the intake flow backflow which consists of the inside and outer cylinders 52 and 51, and the inner tube 53 which are inserted and fixed to the intake backflow prevention port insertion part of the upper base 40. It consists of a prevention tool, and the upper frame plate 60 is fixed to the upper portion of the upper frame.

The method for forming a drainage system of the wash tub using the wash basin drainage device, first install the drain pipe main body 10 between the reinforcing bar, and then the water collecting pipe 70 connected from the wash basin and the bath. After fastening to the water collecting pipe fastening part 12, the drainage pipe device and the water collecting pipe were embedded by pouring the bottom concrete to expose the upper surface of the water collecting pipe main body 10 and one end of the water collecting pipe. Next, when the foundation floor concrete layer (A) is cured, the raceway groove body 20, the slider 30, and the upper frame 40 are fastened to the top of the drain pipe main body 10, and then the slider 30 By adjusting the position of the floor finish to match the position of the tile, the sink is installed so that the water pipe is connected, and one end of the exposed water pipe was installed in the bathtub. Next, the finishing concrete layer (B) was cured such that the track groove body 20, the slider 30, and the bottom of the upper frame 40, and a portion of the bottom of the bath were embedded. Next, floor finishing work is performed on the finishing concrete layer (B) using a finishing material such as tiles, and fastening the intake backflow prevention device and the upper frame plate 60 to the upper frame 40, and then from the lower floor. The drainage tub 30 is fastened to the drainage pipe fastening portion 11 of the drainage pipe body 10 to complete the wash tub drainage system.

However, in the drainage system as described above, since the drain pipe for discharging sewage is usually formed in the ceiling of the lower floor, the noise of the sewage discharged from the upper floor flows into the lower floor as it is, and the upper and lower layers are thin PVC membranes such as the drainage pipe and the drain pipe. Due to the blockage, the noise generated in the upper bath tub (water dropping out of the toilet, the sound of pissing, the sound of showering, etc.) is transferred directly to the lower floor so that the privacy of the person using the upper bath tub is kept. There is a problem that can be infringed, and people of the lower level may be offended by the sound.

In addition, since the water collecting pipe is embedded in concrete, when the water collecting pipe is damaged during the construction of the floor, water leaks into the lower floor as it flows into the lower floor, and people in the lower floor may see the damage, and in order to replace the water collecting pipe, all the concrete is removed. There was also a problem that the cost of repair and damage to the lower-class people, such as need to be re-built again.

In addition, as described above, since the conventional toilet tub drain pipe device is all embedded in the concrete except the upper surface of the upper frame, foreign matter is accumulated in the drain pipe device main body so that the drainage of the odor counter flow prevention device is dismantled. After that, the foreign body was removed by inserting a hand or a tool into the odor reflux insertion hole.

However, since the diameter of the odor reflux insertion port insertion port is small, it is difficult for an adult to put his hand, and even when using a forceps, there is a problem that it is difficult to remove foreign substances inside the main body of the drain pipe device.

In addition, in the case of wash basin, P trap is used to prevent backflow of odor, so the drain pipe containing P trap is exposed in the lower part of the sink to damage the aesthetics and reduce the utilization space of the wash tub. There is a problem that the odor backflow into the toilet tub because there is no configuration to prevent the.

In order to solve the above problems, the present invention performs a waterproof treatment on the upper concrete floor for the foundation floor, the noise introduced into the lower floor through the drain pipe device and the drain pipe by installing a wash basin drainage system on the waterproof concrete floor concrete floor. It is intended to protect the personal privacy of people who use the washroom in advance, and to protect the lower floors from noise generated in the upper bath tub.

In addition, by forming the collecting pipe and the drainage pipe to the rigid protective pipe and the inner pipe flowing in the sewage flexible, so as to protect the inner pipe to prevent leakage even if the protective pipe constituting the collecting pipe or sewage pipe during the floor finishing work is damaged. For other purposes.

In addition, one end of the inner pipe is to be fastened to the drain and the drain of the tub by the rotation, and the other end is coupled to the inside of the collecting pipe fastening portion and the drain pipe fastening portion of the drain pipe device is flexible through the inside of the drain pipe device body when the inner pipe breakage It is another object of the present invention to make it easy to repair the inner pipe by removing the inner pipe or making it easy to fasten a new inner pipe by replacing the inner pipe without removing concrete when the water collecting pipe and the drain pipe are damaged.

In addition, when the replacement of the inner pipe after the drainage system is necessary, the replacement of the inner pipe is not possible with only the intake backflow prevention insert. Therefore, the upper frame of the drain pipe device is fixed to the floor and is installed to be detachable to the inside of the outer frame. It is another object to make the inner tube to be installed in the center of the odor backflow prevention opening, and to facilitate the replacement and maintenance of the inner tube as necessary to separate the inner frame from the outer frame as needed.

In addition, by configuring the upper frame of the drain pipe device as an inner frame that can be separated from the outer frame as described above it is another object to easily clean the foreign matter accumulated in the body of the drain pipe device.

In addition, to prevent the back flow of the odor to the sink and the bathtub, and to prevent the back flow of the odor by using a removable drain trap to fasten and dismantle the inner pipe of the double pipe to the fastening pipe fastening portion, the inner pipe of the double pipe easily fastened And for other purposes to be able to dismantle.

In order to achieve the above object, the present invention, the water collecting pipe connected to the sink or the drain of the tub connected to the sink, the catching pipe fastening portion for fastening the water collecting pipe and the sewage of the bottom of the water collecting pipe and the basin bathtub discharged A drainage tubular drainage system comprising a drainage pipe device having a drainage pipe fastening portion to which a drainage pipe is fastened, and a drainage pipe fastened to the drainage pipe fastening portion, wherein the drainage pipe device is installed on an upper surface of the basin bathtub chamber based concrete floor, A drain pipe device embedded in a finishing concrete to be poured on the concrete for the upper surface, the upper surface of which is open and the water collecting pipe fastening portion and the drain pipe fastening portion are formed on the side; The upper frame composed of an inner frame which is fastened to the main body of the drain pipe and is buried in the bottom and bottom portions of the basin bath room, and the upper end is exposed, and the inner frame is detachably installed in the outer frame, and the intake backflow prevention device is installed at the center. It includes, the collection pipe is fastened to the collecting pipe fastening portion of the drain pipe apparatus main body and the drain pipe is fastened to the drain pipe fastening portion provides a toilet tub drain system, characterized in that each of the double pipe formed of a protective pipe and the inner pipe.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

Figure 2 shows an embodiment of a double pipe (100) constituting the collecting pipe or drain pipe of the wash tub drainage system according to the present invention, so that the inner diameter is inserted into the collecting pipe fastening portion or the drain pipe fastening portion of the drain pipe device to be described later A protective tube 110 formed of a hard material; The L-type connection pipe fastening portion 121 formed inside the protective tube 110 and having a pitch formed at one end thereof is fastened to the L-type connection pipe fastener fastened to a drainage hole of a wash basin or a bath to be described later, and a main drain pipe for discharging sewage of a building. And a rubber packing 122 for fastening to the other end of the drain pipe device to be in close contact with the inner circumferential surface of the water collecting pipe fastening portion, and at least two or more protrusions protrudingly formed on the inner circumferential surface of the rubber packing to hold and rotate a finger. It consists of an inner tube 120 having ribs 123. At this time, the inner tube 120 is formed by using a flexible material that is easy to diffract to facilitate the insertion, disassembly and rotation even if the protective tube 110 is bent.

Next, Figure 3 constitutes a wash basin drainage system according to the present invention is fastened to the L-type connection pipe 200 and the L-type connection pipe 200 is fastened to the drain of the wash basin or bathtub to fasten the water collecting pipe Double pipe fastener 300 is shown, the L-shaped connection pipe is inserted into the drain of the sink or tub, the other end is the double pipe fastener insertion portion formed pitch on the outer circumferential surface so that the double pipe fastener 300 is fastened ( 210).

In addition, the double pipe fastener 300 has grooves formed at the front end portion and the rear end portion, respectively, and has one end surface of a 'ㄹ' shape, and an L-type connection tube coupling portion 310 and a protective tube insertion portion 320 from an outer circumferential surface thereof. , And the inner tube fastening portion 330 in the order. The L-type connection pipe fastening part 310 is open at the rear, and forms a pitch on the inner circumferential surface to correspond to the pitch formed in the double pipe fastener inserting portion 210 to fasten the L-type connection pipe 200 by rotational coupling. Do it. In addition, the thickness of the protective tube inserting portion 320 to form the intermediate layer is formed to be the same as the thickness of the protective tube 110, the shear is opened to be coupled by forced insertion, by inserting a rubber packing on the inside to improve the watertightness You can.

In addition, the inner tube fastening portion 330 is formed on the inner circumferential surface so as to correspond to the pitch of the L-shaped connection tube fastening portion 121 formed at one end of the inner tube 120 of Figure 2 is fastened by the rotation of the inner tube 120 And to enable disassembly. At this time, the front end of the inner tube fastening portion 330 is an open portion of the protective tube inserting portion 320 by further forming an inner tube guide portion 340 formed to be tapered so as to widen the outer diameter of the inner tube even when the protective tube 110 is embedded L-type connection pipe fastening portion 121 of the 120 to be easily fastened to the inner pipe fastening portion 330.

Next, it is difficult to dismantle or repair the inner pipe 120 through the conventional drain pipe device while the protection pipe 110 and the L-shaped connection pipe 200 as shown in FIGS. 2 and 3 are buried through the conventional drain pipe device. It was not easy. This is because the conventional drain pipe device is difficult to get into the odor backflow prevention port because only the odor backflow prevention port is separated.

In order to solve this problem, the present invention includes an upper frame 400 of the drain pipe apparatus embedded in the bottom of the wash tub chamber as shown in FIG. 4, and an outer frame 410 exposed at the top thereof, and detachable inside the outer frame 410. The inner frame 420 having a odor counter flow prevention insert insertion part 424 is installed so as to have a odor counter flow prevention port is installed in the center. The outer circumferential surface of the inner frame 420 is formed in a circular or polygonal shape and forms the outer frame fastening portion 421 to have a constant height, and a groove 422 having a predetermined depth is formed in the middle of the outer circumferential surface of the outer frame fastening portion 421. The rubber packing 423 for improving the watertightness is mounted in the groove.

In addition, the outer frame 410 is a slider coupling portion 411 at a constant height to be fixed to the upper frame coupling portion (521 of Figure 5) of the slider, such as a conventional drain pipe device to the portion where the inner frame 420 is mounted. ). At this time, the outer circumferential surface of the inner frame 420 is inserted in close contact with the inner circumferential surface of the slider coupling portion 411.
In addition, as shown in Figure 7 by bending the lower end of the inner peripheral surface of the slider engaging portion 411 inward to further form the inner locking jaw 412 so as to catch the lower end of the outer frame fastening portion 421 of the inner frame 420 The inner frame 420 may be prevented from flowing into the drain pipe body 500 (FIG. 5).

Next, FIG. 5 shows a state in which the double pipe of FIG. 2 and the upper frame of FIG. 4 are fastened and embedded in the drainage tubular drainage system according to the present invention. A drain pipe device body 500 having at least one water collecting pipe fastening part 501 and one drain pipe fastening part 502 formed on a side surface thereof; A track groove body 510 inserted into and fixed to an upper portion of the drain pipe device 500; A slider 520 inserted into the track groove 511 of the track groove body 510 and movable in all directions; An outer frame 410 fastened to the upper frame coupling portion 521 of the slider 520, and is provided in the outer frame 410, and includes an outer cylinder 531, an inner cylinder 532, and a tubular body 543. The upper frame 400 includes an inner frame 420 to which the earth 530 is coupled.

The drainage pipe device is fixed to the drainage pipe main body 500 on the base floor concrete layer (A) upper surface, and then fastening the L-type connection pipe 200 of Figure 3 to the basin drain and the tub drain, the L-type connection pipe 200 ) And a double pipe 100 of FIG. 2 between the water collecting pipe fastening part 501 of the drain pipe device main body 500. At this time, the double pipe fastener 300 is rotatably coupled to the L-shaped connection pipe 200, one end of the protective pipe 110 is inserted, and the other end of the water collecting pipe fastening portion 501 of the drain pipe device main body 500. ) Next, the inner tube is inserted into the collection pipe coupling part 501 from the inside of the drain pipe device, and then the rib 123 of the inner pipe 120 is grasped and rotated to fasten the double pipe fastener 300 to seal the rubber packing. After installation at the end of the inner tube (120) by pushing so that the inner circumferential surface of the inner tube (120) and the collecting pipe fastening portion 501 is in close contact. The protection pipe 110 'and the inner pipe 120' are connected to the drain pipe fastening part 502 of the drain pipe device main body 500 and the main drain pipe which collects and discharges the sewage discharged from the toilet tub room of each floor in the same manner as described above. do.

Next, when the double pipe 100 is connected to the water collecting pipe fastening portion 501 and the drain pipe fastening portion 502 as described above, the track groove main body 510 is fastened to the upper end of the drain pipe apparatus main body, and the track groove main body 510 is connected. After fastening the slider 520 to the orbit groove 511 of the), the outer frame 410 of the upper frame 400 is fastened to the slider 520, and the slider is moved to fix the optimal position. Next, curing the concrete layer (B) for finishing so that the outer frame 410 fastened to the drain pipe device is embedded to a certain height. Of course, the double tube and a part of the bathtub are also buried together. After the drainage pipe device is completely buried as described above, the installation of the drain pipe device is completed by fastening the inner frame 420 provided with the intake backflow prevention device to the outer frame 410 and installing the upper frame plate on the outer frame.

Next, Figure 6 shows a removable drain trap for fastening the odor of the sewage back to the sink or the tub is fastened to the drain pipe device of the drainage system drain system according to the present invention, as described above In order to fasten the inner pipe of the double pipe to the water collecting pipe fastening portion, the drain trap must be configured in a simple detachable manner of assembling and dismantling.

The drain trap 600 has a curvature equal to the diameter of the inner circumferential surface of the drain pipe main body 500 and a crescent-shaped bottom 614 in which both ends are horizontally cut, and the bottom 614 is integrally curved except for the rear surface. A main wall plate 613 formed on the front end and side ends of the water collecting pipe fastening part 501 formed on the drain pipe device main body, and the front wall is in close contact with an inner circumferential surface thereof when fastened to the drain pipe device main body 500; A drain trap body 610 comprising a first compartment plate insertion part 611 formed at an upper end of a front surface of the front part 613 and a second compartment plate insertion part 612 formed at a rear end of the bottom 614; A water collecting pipe fastening part which is formed to extend forward in the front center of the main wall plate 613 of the drain trap body 610 and is formed with a through hole in the water collecting pipe fastening part 501 of the drain pipe device main body 500. Insertion tube 620; The main wall plate 613 is inserted into and fastened to the first partition plate insertion portion 611 formed on the upper end, and the upper surface is formed in a crescent shape and the partition plate is integrally spaced apart from the bottom 614 of the drain trap body 610 by a predetermined distance. A first partition plate 630 formed downward; A second compartment plate 640 inserted into and fastened to the second compartment plate insertion part 612 formed at the rear end of the bottom 614 and formed of a soft material to have the same height as the first compartment plate 630; The bottom 614 of the drain trap body 610 is formed in the center of the rear end is composed of a handle 650 protruding to hang the fingers. At this time, one end of the water collecting pipe fastening portion insertion pipe 620 of the drainage pipe body is formed with a rubber packing insertion groove, and the rubber packing insertion groove is fastened to the rubber packing insertion groove to be inserted into the water collecting pipe fastening portion 501. By tightening, watertightness can be improved.

The drain trap configured as described above is separated from the inner frame constituting the upper frame of the drain pipe device and then inserted and dismantled into the collecting pipe fastening portion of the main body of the drain pipe device.

In the process of constructing the toilet tub drainage system as described above, during the floor finishing work, the repair work when the inner pipe breaks in the double pipe and leaks or the inner pipe is blocked by dirt, first removes the upper base plate of the drain pipe device. , Separate the inner frame provided with the odor reflux prevention device from the outer frame of the upper frame.

Next, put the hand to the drain pipe device main body to hold the handle of the drain trap with a finger to remove the drain trap from the catchment pipe fastening portion, and remove the ribs formed at the end of the inner pipe fastened to the catchment pipe fastening portion or the drain pipe fastening portion Hold the finger and rotate it to separate the inner pipe from the double pipe fastener fastened to the L-shaped connection pipe, and then push the inner pipe of the same size as the extracted inner pipe into the water collecting pipe fastening part or the drain pipe fastening part and rotate it. The double pipe fastening portion is fastened to the water trap, and the water trap is coupled to the fastening pipe fastening portion, and then the inner frame is fastened to the outer frame of the upper frame and the upper frame to complete the repair work.

As described above, the wash tub drainage system according to the present invention is subjected to a waterproof treatment on the upper concrete floor for the floor, and the washbasin drainage system is installed on the waterproof concrete floor above the lower layer through the drainage pipe and the drain pipe. It can protect the personal privacy of people who use the toilet by blocking the noise coming into the room in advance, and protect the lower people from the noise generated in the toilet of the upper floor.

In addition, by forming the collection pipe and the drain pipe flexible with the rigid protective pipe and the inner pipe flowing sewage, even if the protective pipe constituting the collecting pipe or the sewer pipe during the floor finishing work is broken can protect the inner pipe to prevent leakage.

In addition, one end of the inner pipe is to be fastened to the sink and the drain of the bathtub by the rotation, the other end is installed in the collecting pipe fastening portion and the drain pipe fastening portion of the drain pipe device is flexible through the inside of the drain pipe device when the pipe breakage By removing the inner pipe or making it easy to fasten a new inner pipe, repair work can be easily performed by simply replacing the inner pipe without removing concrete when the water collecting pipe and the drain pipe are damaged.

In addition, the upper frame of the drain pipe device is fixed to the bottom and the outer frame, and the inner frame is installed so as to be detachable inside the outer frame is installed in the center of the odor backflow prevention, if necessary to separate the inner frame from the outer frame This makes it easy to replace and repair the inner tube.

In addition, by configuring the upper frame of the drain pipe device as an inner frame that can be separated from the outer frame as described above, it can be easily cleaned when foreign matter accumulated in the body of the drain pipe device.

In addition, by using the removable drain trap, it is possible to easily fasten and dismantle the inner tube of the double pipe while preventing the odor flowing back to the sink and the bathtub.

Claims (13)

A drain pipe having a water collecting pipe connected to a wash basin or a drain of a bathtub, a water collecting pipe fastening portion for fastening the water collecting pipe, and a drain pipe fastening portion for fastening the water collecting pipe and a drain pipe for collecting and discharging sewage at the bottom of the basin bathtub. A washbasin drainage system having an apparatus and a drain pipe fastened to the drain pipe fastening portion, The drainage pipe device is installed in the upper surface of the basin concrete basin in the wash tub chamber, embedded in the finishing concrete poured on the concrete floor for the foundation floor, the upper surface is open and the drainage pipe main body formed with the water pipe fastening portion and the drain pipe fastening portion on the side Wow; It is installed on the open upper surface of the drain pipe device main body is embedded in the bottom and the bottom portion of the basin bath room, the outer frame is exposed, the inner frame is installed to be detachable inside the outer frame and the odor backflow prevention device is installed in the center Including a configured upper frame, And a water collecting pipe fastened to the water collecting pipe fastening part of the drain pipe device main body and a water drain pipe fastening to the drain pipe fastening part are double pipes each formed of a protective pipe and an inner pipe. delete The method of claim 1, The double pipe, A protective tube formed of a hard material; A pitch is formed at one end, a rubber packing is installed at the end of the other end, and an inner circumferential surface of the other end thereof is formed with a rib formed to protrude inward, and the tub tub drainage system is configured as a flexible soft inner tube. The method of claim 1, The washbasin drainage system, An L-type connecting pipe installed at a portion where the collecting pipe is connected to the drain pipe drawn out from the wash basin or the bathtub, and having a double pipe fastener inserting portion having a pitch formed on an outer circumferential surface thereof; And a double pipe fastener fastened to the double pipe fastener inserting portion of the L-shaped connection pipe to fasten and fix the double pipe. The method of claim 4, wherein The double pipe fastener, Grooves are formed in the front part and the rear part, so that one end has a 'L' shape, and is formed on the outer circumference and the rear is open to form a pitch on the inner circumferential surface so as to correspond to the pitch formed in the insert of the double pipe fastener. An L-type connection pipe fastening portion fastened to the L-type connection pipe by the; A protective tube insert having a front end open and having a width equal to the thickness of the protective tube of the double tube and fastening the protective tube by forced insertion; And an inner tube coupling part formed on an inner circumferential surface and having a pitch formed so as to correspond to a pitch formed at one end of the inner tube to rotate and disengage the inner tube. The method of claim 5, wherein The double pipe fastener, And an inner tube induction part formed on the front end of the inner tube fastening part to be tapered to have a diameter wider toward an open portion of the protective tube inserting part. delete The method of claim 1, The outer frame of the upper frame, the toilet tub drainage system characterized in that it further comprises a slider engaging portion is formed in the inner peripheral surface extending to the bottom and fastened to the slider constituting the drain pipe device. The method of claim 1, Slider coupling portion of the outer frame, the toilet tub drainage system characterized in that it further comprises an inner frame engaging jaw formed inwardly at the bottom of the inner circumferential surface. The method according to claim 1 or 8, The inner frame further comprises a outer frame coupling portion extending to be in close contact with the slider coupling portion. The method of claim 10, The outer circumferential surface of the outer frame coupling portion of the inner frame further comprises a rubber packing insertion groove for inserting a ring-shaped rubber packing, and a rubber packing fastened to the rubber packing insertion groove. The method of claim 1, The drain pipe device, A water collecting pipe fastening portion formed at the drain pipe device main body having the same curvature as the diameter of the inner circumferential surface of the drain pipe device and having a crescent-shaped bottom cut horizontally at both ends and a curvature shear and side ends integrally with the floor. It is formed higher and is composed of a main wall plate that the front surface is in close contact with the inner circumferential surface when fastened to the main body of the drain pipe device, a first compartment plate insertion portion formed on the front top of the main wall plate, and a second compartment plate insertion portion formed at the rear end of the bottom A drain trap body; A water collecting pipe fastening part insertion pipe which is formed to extend forward in the center of the front wall plate of the drain trap body and has a through hole formed in the center to be inserted into the water collecting pipe fastening part of the main body of the drain pipe; A first compartment plate inserted into and fastened to the first compartment plate insertion part formed at an upper end of the main wall plate, and having an upper surface formed in a crescent shape and integrally downwardly separated from the bottom of the drain trap body by a predetermined distance; A wash tub chamber further comprising a removable drain trap configured to be inserted into and fastened to the second compartment plate insert formed at the bottom end of the second compartment plate and formed of a soft material so as to have the same height as the first compartment plate. Drainage system. The method of claim 12, The drain trap, the toilet tub drainage system characterized in that it further comprises a handle protruding to hang the finger on the bottom rear center of the drain trap body.

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