KR20080102833A - Double piping drainage system of bathroom and inner-pipe installing method of the same - Google Patents

Abstract

A draining system for wash bath room double drainpipe is provided to replace only the inner tube connecting part even when the waste trap upper plate which is integrally formed with the inner tube fastener is damaged. A draining system for wash bath room double drainpipe comprises a collector connecting part formed in the one side of drain pipe apparatus main body, a protecting duct connecting part(420) inserting and combining the protecting duct(40) in the inner circumference, a protecting duct fixed cap(421) making the inserted protecting duct with close adhesion fixation, a collector fastening means(431) consisting of the inner tube fastener(430) having inner tube connecting part.

Description

Double Piping Drainage System of Bathroom and Inner-Pipe Installing Method of the Same}

1 is a schematic view showing the configuration of a toilet tub double drain pipe drainage system.

FIG. 2 is a cross-sectional view showing a state in which a double drain pipe is connected to a conventional bath tub drain pipe apparatus by cutting the line a-a of FIG.

3 is a cross-sectional view showing a state in which a double drain pipe is fastened to an L-shaped elbow which is drawn out of the sink and fastens the drain pipe connected to the drain pipe installed in the floor or the drain.

Figure 4 is a cross-sectional view showing a state in which the drain pipe connected to the wash basin is installed in the conventional wall drain pipe (Fig. 1C).

Figure 5 is a cross-sectional view showing one embodiment of a state in which the double drain pipe is fastened to the body of the tub tub drain pipe having a double drain pipe installation means according to the present invention.

Figure 6 is a cross-sectional view showing another embodiment of a state in which the double drain pipe is fastened to the body of the water tub room drain pipe device having a double drain pipe installation means according to the present invention.

Figure 7 is a cross-sectional view showing an embodiment of a state in which the double drain pipe is fastened to the tub drain in accordance with the present invention (Fig. 1B).

Figure 8 is a cross-sectional view showing another embodiment of a state in which the double drain pipe is fastened to the drain of the tub according to the present invention (Fig. 1B).

Figure 9 is a cross-sectional view showing one embodiment of a state in which a double drain pipe is fastened to the wall connected to the wash basin according to the present invention (Fig. 1C).

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

10: washbasin bath 20: bathtub

21: tub drain 30: wash basin

40: protective tube 50: inner tube

60: granular drain pipe 70: bathtub or wash basin drain pipe

80: wall 100: drain pipe device

110,520: Odor reflux prevention device 111,522: inner tube

112,521: outer tube 113,523,620: strainer

120: upper frame 121: inner frame

122: outer frame 130: slider

140: track groove body 141: track groove

200: drain pipe device body 210: collecting pipe fastening portion

220: drain pipe connection part 250: L-shaped connection pipe

251: double drain pipe fastener insert 260: double drain pipe fastener

261: connection tube fastening portion 262: protection tube insertion portion

263: internal pipe fastening 310: washbasin connector

320: finish 330: rubber packing

400: drain pipe body 401: diaphragm insertion groove

410: water collecting pipe fastening part 411: step

420: fastener tube 421: fixed cap

422: pressure port 423,434,444: rubber packing

430,440: inner pipe fastener 431,441: inner pipe fastener

432,442: Rubber packing insertion groove 433: Hanging jaw

435: handle 445: drain trap top

446: drain trap diaphragm 510,610: inner tube fastener for the bathtub

710: inner tube fastener for wash basin 711: wash basin drain pipe fastening

712: inner pipe fastening portion 713: cover portion

E: floor concrete F: floor finish

The present invention relates to a wash basin double drain pipe drainage system for collecting and discharging sewage discharged from a wash basin and a bathtub and sewage discharged from a basin and a bathtub, particularly buried in a floor from a wash basin and a bathtub. It is easy to repair each fastening part of the double drain pipe that connects to the drain pipe device, and it is easy to install and replace the inner pipe and prevent the odor from flowing back to the sink and bathtub without installing P trap or U trap on the sink. Provide a double drainage system for the washbasin.

In general, the drainage system of the wash basin is equipped with a sink and a bath tub is connected by the sink, the tub and the sewer pipe and consists of a drainage device for collecting and discharging the sewage of the sink and the floor.

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. Because it is only blocked, the noise generated inside the upper bath tub (water dropping out of the toilet, the sound of pissing, the sound of showering, etc.) is transmitted to the lower floor, thereby protecting the privacy of the person using the upper bath tub. There is a problem that can be infringed, and people of the lower level may be offended by the sound.

In order to solve the above problems, the applicant has filed a patent application No. 2007-24729 (name: 'bath tub drainage system') of March 13, 2007.

The 'bath tub drainage system' is installed on the top of the basin concrete (E) for the basin bath room 10, as shown in Figure 2, the finishing concrete (F) that is poured on top of the concrete for the foundation floor A drain pipe device 100 embedded in one side of the water collecting pipe fastening portion A and the drain pipe fastening portion formed on the side; A double collecting pipe formed of a protective pipe 40 and an inner pipe 50, one end of which is fastened to the collecting pipe fastening portion A of the drain pipe device 100 and the other end of which is fastened to a drain hole of a sink or a bath; One end is fastened to the drain pipe fastening portion (D) of the drain pipe device 10 and the other end is composed of a double drain pipe formed of a protective pipe 40 and an inner pipe 50 connected to the integrated granular drain pipe 60 of the building.

In particular, the collecting pipe fastening portion 210 and the drain pipe fastening portion 220 of the drain pipe device is cut in the line aa of Figure 1, as shown in Figure 2, the inner cylinder 111 and the outer cylinder 112 and the strainer 113 An upper frame 120 having a detachable inner frame 121 fastened to the odor preventing flow opening 110 and a outer frame 122 fixed to the floor by a bottom finishing material; A slider 130 for installing the upper frame 120 to allow the upper frame 120 to flow before being embedded in the floor F; A track groove main body 140 fixedly installed to the drain pipe device main body 200 and having a track groove 141 through which the slider 130 flows; The track groove main body 140 is fastened and connected to the collecting pipe fastening portion 210 for fastening the double drain pipe connected to the wash basin or bathtub and the granular drain pipe 60 embedded in the wall to discharge the collected sewage. It was composed of a drain pipe device main body 200 having a drain pipe fastening portion 220 for connecting the drain pipe.

At this time, the water collecting pipe fastening portion 210 and the drain pipe fastening portion 220 is formed in one tube form protruding to the outer peripheral surface of the drain pipe device main body 200, the protection pipe 40 of the double drain pipe is the pipe-shaped collection The water pipe fastening portion 210 or the water pipe fastening portion 220 is inserted into and fixed to the outer circumference, and the inner pipe 50 is inserted into the water collecting pipe fastening portion 210 or the water pipe fastening portion 220 to the inner circumferential surface.

In addition, the other end of the double drain pipe fastened to the collecting pipe fastening portion 210 of the drain pipe device main body 200 is fastened to the end of the drain pipe 70 drawn from the basin 30 to the floor, or the drain hole of the tub 20 A protection pipe 40 and an inner pipe 50 of the double drain pipe were installed in the L-shaped elbow 250 connected to the end of the drain pipe 70 connected to the bottom 21 to be connected to the bottom.

3 is a protection pipe 40 and an inner pipe 50 of a double drain pipe, in which a drain pipe of a wash basin or a bathtub and one end of the drain pipe device main body 200 are fastened to the water collecting pipe fastening portion 210 of the drain pipe device 200 using an L-shaped connection pipe 250. ), The L-shaped connecting pipe 250 is inserted into one end of the drain pipe 70 of the wash basin or bathtub, and the other end of the bent pitch on the outer circumferential surface so that the double drain pipe fastener 260 is fastened Is formed double drain pipe fastener insertion portion 251 is formed. In addition, the double drain pipe fastener 260 has grooves formed at the front end portion and the rear end portion, respectively, and has one end surface having a 'L' shape, and an L-shaped connection tube fastening portion 261 and a protective tube inserting portion 262 from an outer circumferential surface thereof. ), And the inner tube fastening portion 263 in the order.

Plumbing method for connecting the double drain pipe to the tub 20 and the sink 30 by using the L-shaped connecting pipe 250 having the drain pipe device main body 200 and the double collection pipe fastener 260 as described above, Finish the floor construction by using the finishing material (F) on the upper part of the concrete floor while the protection pipe of the double drain pipe is fastened, remove the inner frame constituting the upper frame of the drain pipe device, and then put one end of the inner pipe having the pitch into the collecting pipe fastening part. After pushing, when the inner pipe reaches the inner pipe fastening portion 263 of the double drain pipe fastener fastened to the L-shaped elbow, the pushed inner pipe 40 is rotated to screw the pitch of the inner pipe fastening portion 263. It was made. Then, the inner pipe is pushed into the water collecting pipe fastening unit 210, and the remaining portion protruding to the outside of the drain pipe device is fastened to the inner pipe by cutting, and vice versa to remove the broken inner pipe.

However, the method of fastening the inner tube to the L-shaped connection tube as described above is difficult to work because the inner tube must be fastened or dismantled only by the operator's sense in the state where the L-shaped connection tube is invisible, and the coupling part is not completely fastened to leak. There was a problem that can occur. Due to this, there was a problem that the repair and replacement of the inner tube is cumbersome.

In addition, the odor of the granular drain pipe introduced into the drain pipe device main body back to the inner pipe connected from the tub is easy to cause odor inside the wash tub, and to solve this problem, a separate odor backflow prevention drain trap must also be installed. there was.

In addition, Figure 4 shows the connection pipe connected to the lower part of the basin is connected to the drain pipe embedded in the wall, as shown in Figure 3 of the upper end of the drain pipe 70 is fastened to the L-shaped connection pipe and embedded in the wall The front surface is exposed to the wall surface, the wash basin connecting pipe 310 connected to the wash basin is inserted into the exposed drain pipe (70). At this time, the wall finisher 320 and the rubber packing 330 are sequentially inserted into the washbasin connector 310, and then the washbasin connector 310 is inserted into the rubber packing 330 and the finisher 320. ) Was pushed in one by one, and the sewage discharged from the wash basin was flushed to the body of the drain pipe system.

However, since the drain pipe of the washbasin is embedded in the wall in the form of a single pipe, when there is a leak in this part, there is a problem that a dispute due to leakage may occur as it flows through the wall or flows into the floor.

In addition, since the L-shaped connection pipe is buried in the floor as described above, if the elbow breaks during the floor finishing work, water leakage occurs. When repairing to solve this problem, the floor must be dismantled and the connection pipe must be replaced. It was cumbersome, and there was a problem that a lot of construction costs are required.

In order to solve the above problems, the present invention is easy to install and dismantle the inner tube installed inside the protection pipe of the double drain pipe by having an inner pipe fastener for fastening or dismantling the inner pipe in the collecting pipe or drain pipe fastening portion of the main body of the drain pipe. It is intended to be.

In addition, the inner tube fastener fastened to the drain of the tub and can be installed and detached directly from the bathtub so that the other end of the inner pipe fastened to the collecting pipe fastening part of the drain pipe body can be installed and dismantled through the drain of the bathtub. Another object is to facilitate the installation and maintenance of the inner pipe of the double drain pipe connected to the.

In addition, by providing the intake pipe backflow prevention device in the inner pipe fastening means installed in the tub drain port to prevent the intake flow back to the bathtub without installing a separate trap for preventing the back flow of the collection pipe of the main body of the drain pipe device Another purpose.

In addition, the drain pipe connected to the sink and the wall is connected to the double drain pipe to bend from the catchment pipe fastening part of the drain pipe device body to the wall, the protection pipe is embedded in the wall so that the inlet is exposed, the protective pipe is installed at the entrance of the protective pipe and the inner pipe The inner pipe fastener which can be fastened and fastens the drain pipe connected to the wash basin prevents leakage of the drain pipe embedded in the wall in discharging the sewage generated in the wash basin, and visually checks the inner pipe of the double drain pipe. Another object is to facilitate installation and dismantling.

In addition, the drain pipe device is installed in the water collecting pipe fastening portion of the main body of the drain pipe device integrally formed with a drain trap upper plate to prevent the intake of back flow in the upper part of the inner pipe fastener easy to insert and dismantle in the state of fastening the inner pipe, P trap is used at the bottom of the wash basin by having a diaphragm which is adjacent to the water collecting pipe fastening part at the bottom and partitions the bottom of the drain pipe main body in a state separated from the drain trap upper plate by a certain distance. Another object of the present invention is to prevent odors from flowing back into the wash basin or bathtub without installing a odor counter flow prevention device in the drain.

In addition, even if the drain trap upper plate formed integrally with the inner pipe fastener inserted into the water collecting pipe fastening portion is damaged, it is another object to replace the inner pipe fastening portion to perform the role of the drain trap.

In order to achieve the above object, the present invention, in the wash basin drainage system for collecting and discharging the sewage of the sink and the tub and the bottom of the bath tub, the insert is fastened to the inner circumferential surface of the collecting pipe fastening portion formed on each side of the outer peripheral surface An inner tube fastener capable of inserting and inserting an inner tube of a double drain pipe into the tube; A tubular inner tube fastener for fastening the inner tube to the drain hole of the tub; A protective tube fixedly installed on an outer circumferential surface of the catchment pipe fastening portion and an outer circumferential surface of a drain hole of the bathtub; Both ends are respectively fastened to the inner pipe fastener and the tubing inner pipe fastener that are fastened to the water collecting pipe fastener, and provide a toilet tub double drain pipe drainage system characterized in that it can be installed and dismantled visually.

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

Figure 5 is a cross-sectional view showing a part of Figure 1 of the double drain pipe is fastened to the water collecting pipe fastening means of the drain pipe device main body constituting the double-bath drain pipe drain system according to the present invention, the drain pipe device main body 400 The water collecting pipe fastening means installed at one side of the water collecting pipe fastening unit 410 is formed on one side of the drain pipe device main body to fasten the protection pipe and the inner pipe of the double drain pipe and provided with a step 411 inside; A protective tube fastening part 420 extending into the water collecting pipe fastening part 410 to insert and fasten the protective tube 40 on an inner circumferential surface and a pitch formed at an end of the outer circumferential surface; A protective tube fixing cap 421 for tightly fixing the protective tube inserted by rotationally coupling to the end of the protective tube coupling portion 420; An outer diameter such as an inner diameter of the inner tube 50 is formed so that the catching jaw 433 is inserted into and fastened to the collecting pipe fastening portion and fastened to the step 411 at the inner end, and the inner tube 50 is adhesively fastened to the outer end. The inner tube fastening portion 431 and the inner pipe fastening portion 410 is provided in close contact with the inner tube fastener 430 fastening the rubber packing 434 to the rubber packing insertion groove 432 of the outer peripheral surface.

In addition, when the pressure tube 422 and the rubber packing 423 is inserted into the inner circumferential surface of the protective tube fastening portion 420 and the fixing cap 421 to tighten the rubber packing, the rubber packing 423 by the pressure opening 422 The length of the expansion is expanded up and down to seal between the protection tube 40 and the protection tube fastening means to improve the watertightness so that no leakage occurs outside the protection tube.

In addition, the inner pipe fastener 430 of the drain pipe device main end side by further forming a handle 435 of the annular ring shape integrally to facilitate the installation and disassembly of the operator, fastening to the inner pipe fastening portion 431 The inner tube 50 is fixedly attached using an adhesive or the like.

Next, Figure 6 is a cross-sectional view showing a part of Fig. 1 of the state in which the double drain pipe is fastened to the water collecting pipe fastening means of another embodiment of the drain pipe device main body constituting the toilet tub double drain pipe drain system according to the present invention, The protective tube fastening means is composed of a protective tube fastening portion 420 and the inner tube fastening portion 431 provided with a fixing cap 421, a pressure port 422, a rubber packing 423, and the like as shown in FIG. In addition, the inner tube fastener 440 is inserted into the water collecting pipe fastening portion 410 and the inner tube fastening portion 441 having an outer diameter equal to the inner diameter of the inner pipe 50 so that the end can be adhesively fastened to the inner pipe 50, and It is inserted into the water collecting pipe fastening portion 410 and fastens the rubber packing 444 to the rubber packing insertion groove 442 of the outer circumferential surface, and is provided with a locking jaw 443 at the end, the inner pipe fastener 430 of FIG. In place of the handle hook 435 of the upper portion is connected to the inner tube fastener, the bottom portion drain trap top plate 445 is formed integrally formed so that the gourd so as to be spaced a predetermined distance from the bottom of the drain pipe device main body 400 Is formed extending.

In addition, the drain trap trap plate 445 is spaced apart a predetermined distance and the drain trap diaphragm 446 is fixed to the bottom of the drain pipe device body. In this case, in order to install the drain trap diaphragm 446, a drain trap diaphragm insertion groove 401 is formed in the bottom and inner surfaces of the main body of the drain pipe apparatus, and the drain trap diaphragm 446 is the drain trap upper plate 445. And higher than the height of the gap between the bottom of the drainage device body.

Next, Figure 7 shows a tub drain having a tubing inlet pipe for fastening the inner pipe of the double drain pipe in accordance with the present invention, the inner tube fastener having the intake backflow preventer is a tub ( 20) and the inner pipe fastener 430 having a handle 435 to the collecting pipe fastening means of the drain pipe device main body 400 connected to the double drain pipe is fastened to the drain of the tub. The drain hole 21 of the tub 20 is inserted into the inner tube fastener 510 from the top and fastened, but a step is formed to prevent the inner tube fastener 510 from being recessed downward, and the tub 20 is lowered. The protective tube fastening portion 22 is formed to extend to form a protective tube on the outer circumferential surface.

In addition, the inner tube fastener 510 for the tub is fixed to the step formed on the inner circumferential surface of the tub drain has an upper end is open, has a hook formed to be caught on the step of the tub drain, the outer peripheral surface in a tubular shape also open the bottom. The inner diameter of the lower end portion is formed to be the same as the inner diameter of the inner tube so that the inner tube 50 can be attached to the inner tube 50 using an adhesive or the like.

In addition, the tub drain is hooked to the inner bent portion of the inner pipe fastener 510 and further includes an intake backflow prevention hole 520 having an outer cylinder 521, an inner cylinder 522, and a strainer 523.

The method of installing a double drain pipe between the tub and the drain pipe device using the inner pipe fastener 510 for the tub having the water collecting pipe fastening portion and the odor backflow prevention device of the drain pipe device of the present invention configured as described above, before finishing the floor finishing work After the protective tube is fastened to the protective tube fastening portion of the body of the drain pipe device having a protective tube inserting portion of the tub drain pipe and the inner tube fastener formed with the handle of Figure 5 and performs the finishing work. Next, the inner pipe is adhesively fixed to the inner pipe fastener of the drain pipe device main body, and the inner pipe is pushed into the collection pipe fastening means of the drain pipe device body so as to pass through the inside of the already protected and buried protective pipe to be drawn out through the drain hole of the bathtub. do.

Next, after cutting the inner tube drawn out of the tub drain to an appropriate length, the inner tube is adhesively fixed to the tubular inner tube fastener, and then the tubular inner tube fastener for the tub is pushed into the tub drain. Next, by sequentially tightening the outer cylinder, the inner cylinder, and the strainer net of the odor backflow prevention port 520, a double drain pipe between the tub and the drain pipe device is installed. In this case, the inner tube can be fastened to the drain pipe body and the tub drain without damaging the protective tube even if the length of the inner tube is longer than the length of the protective tube by using a flexible tube such as a corrugated tube that can contract and extend to a predetermined length. Contrary to the above, after the inner tube is fastened to the inner tube fastener for the tub, the inner tube may be pushed into the water collecting pipe fastening means of the main body of the drain pipe through the tub drain.

In addition, if the inner pipe installed between the tub and the main body of the drain pipe is damaged and leaks occur, such as the replacement of the inner tube or repair work, the inner tube fastener for the tub is removed to dismantle the inner tube, and then the inner tube fastener of the main body of the drain pipe apparatus. After discharging the inner frame of the drain pipe device through the removed hole, the inner pipe can be removed from the inner pipe fastener of the drain pipe device main body, and replaced with a new inner pipe can be easily replaced or repaired in the same manner as described above.

8 shows an inner pipe fastener fastened to the water collecting pipe fastening portion of the drain pipe apparatus main body as an inner pipe fastener formed integrally with the drain trap upper plate as shown in FIG. In the case where the odor is prevented from flowing back to the bathtub or the basin by the drain trap upper plate formed integrally with the inner pipe fastener, the inner pipe fastening portion for the tub installed in the bathtub is shown, and the drain hole 21 of the bathtub 20 Insert the pipe fastener 610 from the top to fasten and the stepped to prevent the inner pipe fastener 610 is inserted into the lower end is formed at the top, the other end is formed extending to the tub 20 lower portion to protect the protective tube on the outer peripheral surface Protective tube fastening portion 22 is formed to be fastened.

In addition, the inner tube fastener 610 for the tub is fixed to the step formed on the inner circumferential surface of the tub drain has an upper end is open, has a hook formed bent to be caught by the step of the tub drain, the bottom is also open in a tubular shape. In order to fasten the inner tube 50 to the outer circumferential surface by using an adhesive or the like, the outer diameter of the lower end is formed to be the same as the inner diameter of the inner tube.

In addition, the inner pipe fastener 610 for the inside of the tub is provided with a strainer 620 to prevent foreign matter from entering the drain.

As described above, the method for installing and repairing the double drain pipe of the drain pipe device body having the inner pipe fastener of FIG. 6 and the tub drain having the inner pipe fastener of the bathtub of FIG. 8 is the same as described with reference to FIG. Since the sewage is collected in the inner tube by the diaphragm installed inside the drain pipe apparatus main body, and the drain trap upper plate formed integrally with the inner pipe fastener of the drain pipe apparatus is locked in the deceased to block the passage of the intake. It is not necessary to install a separate odor prevention flow prevention drain in the drain.

Next, Figure 9 shows an inner tube fastener (Fig. 1C) for the washbasin embedded in the wall 80 to connect the drain pipe installed in the lower part of the basin in the double drain pipe drainage system according to the present invention, the washbasin The inner tube fastener 710 has a basin drain pipe fastening part 711 having an inner diameter equal to the outer diameter of the end of the elbow or the P trap so that the end of the elbow or the P trap connected to the wash basin is inserted into and fastened to the wall surface. It consists of a protective tube fastening portion that is inserted into the inner peripheral surface of the protective tube of the double drain pipe and the inner tube fastening portion 712 formed to have an outer diameter equal to the inner diameter of the inner tube 50 at the end. At this time, the front end of the inner tube fastener 710 for the wash basin covers the protective tube 40 exposed on the wall so that the protective tube is not visible, and the protective tube to prevent the inner tube fastener 710 for the washbasin from being inserted into the protective tube. An annular protective tube cover portion 713 having a diameter larger than the outer diameter of is further formed. In addition, the outer circumferential surface of the end of the wash basin drain pipe and the inner circumferential surface of the wash basin drain pipe coupling part 711 may be formed to further rotate to form a corresponding pitch.

Double drain pipe fastening means for the wash basin configured as described above is to expose the front surface of the protective pipe to the wall first, and the other end is fastened to the water collecting pipe fastening means of the drain pipe device main body buried in the inner pipe fastener (430 or 440) The inner tube is fastened to the protective tube exposed to the wall near the washbasin by cutting the inner tube from the inside of the main body of the drain pipe apparatus. Next, the inner tube fastener for the washbasin is fixed to the cut inner tube with an adhesive or the like, and the inner tube fastener for the basin for which the inner tube is fastened is fixed by being pushed into the protective tube. Then, the installation of the double drain pipe is completed by fastening the drain pipe connected to the wash basin to the inner tube fastener 710 for the basin. In this case, when the inner pipe fastener installed in the drain pipe device main body is an inner pipe fastener 430 having a handle as shown in FIG. 5, a P trap or the like is used as a wash basin drain pipe to prevent a reverse flow of sewage intake. When the pipe fastener installed in the drain pipe apparatus main body is an inner pipe fastener 440 having a drain trap upper plate as shown in FIG. 6, it is not necessary to separately use a P trap as a basin drain pipe.

Installation and maintenance work of the double drain pipe between the drain pipe device and the wash basin or the bath described above is removed by removing the inner frame constituting the upper frame of the drain pipe device as shown in Figure 2, the drain pipe device through the hole is removed It is possible to easily carry out by dismantling and fastening the inner tube fastener installed in the water collecting pipe fastening portion of the main body.

While the present invention has been described with reference to the embodiments shown in the drawings, it is only for illustrating the invention, and those skilled in the art to which the present invention pertains various modifications or equivalents from the detailed description of the invention. It will be appreciated that one embodiment is possible. Therefore, the true scope of the present invention should be determined by the technical spirit of the claims.

The present invention facilitates the installation and dismantling of the inner tube installed inside the protection tube of the double drain pipe by having an inner tube fastener that is easy to insert and dismantle while the inner tube is fastened to the collecting pipe or the drain pipe fastening portion of the main body of the drain pipe.

In addition, the inner tube fastener that is fastened to the drain hole of the tub and can be installed and detached from the bathtub allows the other end of the inner tube fastened to the water collecting pipe fastening part of the drain pipe device to be installed and dismantled through the drain hole of the bathtub. Installation and maintenance of the inner pipe of the double drain pipe to be connected can be facilitated.

In addition, it is possible to prevent the odor backflow into the tub without installing a separate odor backflow trap to the collecting pipe fastening portion of the drain pipe device main body by providing a odor backflow prevention in the inner pipe fastener installed in the tub drain. .

In addition, by forming a drain pipe embedded in the wall to be connected to the sink to the double drain pipe to prevent the leakage of the drain pipe embedded in the wall, and to make it easy to install and dismantle the inner pipe of the double drain pipe while visually checking.

In addition, the drain pipe device is installed in the water collecting pipe fastening portion of the main body of the drain pipe device, the inner pipe fastening is easy to insert and dismantle in the inner pipe fastener to form a top of the trap to prevent intake back flow integrally, the bottom of the water pipe device main body A separate P trap on the lower side of the washbasin or the tub drain hole by installing a drain trap diaphragm that divides the bottom of the drain pipe main body in a state separated by a predetermined distance from the drain trap upper plate at an adjacent area of the water collecting pipe fastening part In addition, it is possible to prevent the odor flows back into the wash basin or bathtub without installing a odor backflow prevention device.

In addition, even if the drain trap upper plate formed integrally with the inner tube fasteners is damaged, only the inner tube fastening portion may be replaced to serve as a drain trap.

Claims (16)

In the wash basin double drain pipe drainage system for collecting and discharging the sewage of the basin, the bathtub and the floor of the sink, A collecting pipe fastening portion formed on one side of the drain pipe device main body to fasten the protection pipe and the inner pipe of the double drain pipe; A protective tube fastening part extending into the water collecting pipe fastening part to insert and fasten the protective tube to an inner circumferential surface thereof; A protective tube fixing cap for tightly fixing the protective tube inserted by rotationally coupling to the end of the protective tube coupling portion; The water tub pipe double means comprising a water collecting pipe fastening means consisting of the inner pipe fastener having an inner pipe fastening portion having an outer diameter equal to the inner diameter of the inner pipe so as to be inserted into the fastening pipe fastening portion and adhesively fastening the inner pipe to the outer end. Drainpipe drainage system. The method of claim 1, The fixing cap, And a pressurizing port installed inwardly and flowing back and forth according to the tightening of the fixing cap, and a rubber packing installed inside the pressurizing port to contract or expand according to the movement of the pressurizing port. The method of claim 1, The inner tube fastener, A rubber packing insertion groove formed on an outer circumferential surface of the portion in close contact with the collection pipe fastening portion; Bath tub double drain pipe drainage system characterized in that it further comprises a rubber packing fastened to the rubber packing insertion groove. The method of claim 1, The inner tube fastener, And at least one handle formed at a portion exposed to the drain pipe device body. The method of claim 1, The inner tube fastener, An upper end is formed extending into the drain pipe device main body, further comprising a drain trap top plate formed to be spaced apart from the bottom of the drain pipe device main body, The bottom of the drain pipe device is formed in pairs with the drain trap top plate constituting the inner pipe fastener is installed in the washbasin double drain pipe drain system, characterized in that the diaphragm is further installed to prevent the flow back to the collecting pipe. In the wash basin double drain pipe drainage system for collecting and discharging the sewage of the basin, the bathtub and the floor of the sink, The drain of the tub has a protective tube fastening portion formed to the upper end of the inner circumferential surface is formed to extend to the lower and fasten the protective tube on the outer circumferential surface, The upper and lower ends of the tub is open so that the upper and lower ends are fastened to the drain of the tub, and the inner tub fastener having an inner pipe fastening portion having an inner pipe fastening portion for adhesively fastening the inner tube on the outer peripheral surface of the locking jaw at the upper end. system. The method of claim 6, The inner tube fastener, Washing tub double drain pipe drainage system characterized in that it further comprises a odor backflow prevention device is formed in the outer cylinder and the inner cylinder is fastened inside to prevent the reverse flow of odor. In the wash basin double drain pipe drainage system for collecting and discharging the sewage of the basin, the bathtub and the floor of the sink, A drain pipe connected to the wash basin and installed under the wash basin; A protection pipe of a double drain pipe embedded in the wall surface of the lower part of the wash basin; For washbasin with fastening inserted into the inner circumferential surface of the protective tube exposed on the wall surface, the washbasin drain pipe fastening portion having the same inner diameter as the outer diameter of the wash basin drain pipe, and the inner pipe fastening portion formed at the end to have an outer diameter equal to the inner diameter of the inner pipe of the double drain pipe. Double tubing drainage system, characterized in that it comprises an inner tube fastener. In the wash basin double drain pipe drainage system for collecting and discharging the sewage of the basin, the bathtub and the floor of the sink, A protective tube fastened at both ends and buried at the bottom of the protective pipe fastening portion of the collecting pipe fastening means of the drain pipe device and the protective pipe fastening portion of the tub drain; One end is fastened to the inner tube fastener of the water collecting pipe fastening means and the other end is fastened to the inner tube fastener for the tub which is fastened to the tub drain port, the tub tub double drain pipe drainage system characterized in that it comprises an inner tube installed inside the protective tube. The method of claim 9, The inner tube fastener has a handle protruding into the drain pipe device, Bath tub double drain pipe drainage system, characterized in that the tubing fasteners for preventing bad breath back flow is further installed. The method of claim 9, The inner pipe fastener of the drain pipe device, The drain trap upper plate constituting the drain trap inside the drain pipe device is integrally formed at the upper end, Washing basin double drain pipe drain system, characterized in that the bottom of the drain pipe device is further installed so that the diaphragm constituting the drain trap detachable. In the wash basin double drain pipe drainage system for collecting and discharging the sewage of the basin, the bathtub and the floor of the sink, A protective tube connected to the protective tube fastening portion of the water collecting pipe fastening means of the drain pipe apparatus and embedded in the lower wall of the wash basin; A drain pipe connected to the lower part of the wash basin; One end is fastened to the inner pipe fastener of the water collecting pipe fastening portion, and the tub is characterized in that it comprises an inner tube fastening the other end to the inner pipe fastener for the washbasin is fastened to the protective tube exposed to the wall by fastening the drain pipe of the wash basin Sealed double drain pipe drainage system. The method of claim 12, The inner pipe fastener of the drain pipe device has a handle integrally formed, The drainage pipe of the washbasin is a double trap pipe drainage system, characterized in that the P trap. The method of claim 12, The inner pipe fastener of the drain pipe device, The drain trap upper plate constituting the drain trap inside the drain pipe device is formed in one piece at the top, and the bottom of the drain pipe device is further installed so that the diaphragm constituting the drain trap is detachable, The drainage pipe of the washbasin is a double drain pipe drainage system, characterized in that the general drain pipe. The inner pipe installation method of the double drain pipe drain system of claim 9, Separating the inner tube fastener of the drain pipe apparatus and then fastening the inner tube or fastening the inner tube to the tubing inner tube fastener; The inner tube fastened to the inner tube fastener through the inside of the protective tube so that the other end is drawn out into the tub drain or drain pipe device, and then the inner pipe fastener to which the inner pipe is fastened to the collecting pipe fastening part of the drain pipe device or the drain of the bathtub. Inserting; Cutting the drawn inner tube to a degree sufficient to be fastened to another inner tube fastener for a tub or an inner tube fastener of a drain pipe apparatus, and engaging the inner tube fastener; And inserting and coupling the inner tube fastener coupled to the inner tube to a water collecting pipe fastening portion of a drain hole of a bathtub or a drain pipe device. The method of installing the inner pipe of the double drain pipe drainage system of claim 12, Separating the inner tube fastener of the drain pipe apparatus and then fastening the inner tube or fastening the inner tube to the inner tube fastener for the basin; The inner tube fastened to any one of the inner tube fasteners penetrates into the inner portion of the protective tube so that the other end is drawn out into the protective tube or drain pipe apparatus exposed to the lower part of the wash basin, and then the inner tube fastener to which the inner tube is fastened is connected to the collecting pipe fastening portion of the drain pipe apparatus or Inserting and fastening the protective tube exposed under the wash basin; Cutting the drawn inner tube to a degree sufficient to be fastened to another inner tube fastener for a tub or an inner tube fastener of a drain pipe apparatus, and engaging the inner tube fastener; Inserting and fastening the inner tube fastener to which the inner tube is coupled to a collecting pipe fastening portion of a protective pipe or a drain pipe device exposed to a lower part of a wash basin; And installing a drainage pipe of the washbasin at the inner tube fastener for the washbasin.

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