KR20200095899A - Drainage device of bathroom slab - Google Patents

Abstract

The present invention relates to a drainage apparatus for a bathroom slab, which includes: a drainage unit (10) having a cylindrical main body unit (12) of which upper and lower portions are opened, and a connecting pipe unit (14) formed on an outer circumferential surface of the main body unit (12) to communicate therewith; a support unit (20) provided in a lower portion of the drainage unit (10) and having a stagnant water discharge flow path (22) communicating with the main body unit (12); and a water leakage unit (30) which is selectively inserted and installed into the main body unit (12) and in which a plurality of water leakage inlets (32) are formed on an outer circumferential surface of an upper end and a water leakage outlet (34) communicating with the connecting pipe unit (14) is formed on an outer circumferential surface of a lower end. Accordingly, functionality and usability of the drainage apparatus for a bathroom slab can be improved.

Description

Bathroom slab drainage system {DRAINAGE DEVICE OF BATHROOM SLAB}

The present invention relates to a bathroom slab drainage device, and more particularly, to a bathroom slab drainage device that is buried in a bathroom slab to discharge fresh water and leakage water.

In general, a bathroom slab drainage system of an apartment house is buried in a slab for constructing a bathroom, and serves to discharge fresh water or leakage water existing in the upper area of the slab.

These bathroom slab drainage devices are classified into various types according to their purpose of use.

In particular, research and development on bathroom slab drainage devices that can selectively implement the function of discharging leakage water flowing into the slab from the freshwater and bubble mortar layer used in the freshwater test after the slab waterproofing work are actively progressing.

A conventional bathroom slab drainage device is a T-shaped body 3 in which a through hole 1 is formed in the upper and lower portions, and a drain pipe fastening part 2 connected to the through hole 1 is formed on the side as shown in FIG. ); Formwork fixture 4 fastened to the lower outer circumferential surface of the body 3; The drain pipe fastening part 2 is extended downward while blocking a part of the upper part of the drain pipe fastening part 2, and the diaphragm 5 for preventing odor backflow is formed so that the end of the drain pipe fastening part 2 is located below the inner diameter; It consists of a sealing stopper (6) sealing the lower end of the body (3). With this configuration, when the fresh water used for the freshwater test is discharged after the slab is waterproofed, the sealing cap 6 installed at the bottom of the body 3 is removed, and the leakage water generated from the foam mortar layer, etc., flows into the slab. When discharging, a sealing stopper (6) is installed at the bottom of the body (3).

Such a bathroom slab drainage device is disclosed in Korean Patent Publication No. 10-1907404, so a detailed description thereof will be omitted.

However, in the bathroom slab drainage device as described above, the sealing stopper 6 used for the discharge of leakage water flowing into the slab is adhered to the lower end of the body 3 by an adhesive means such as an adhesive. There is a limit to maintaining a long-term robust and stable.

For example, if the adhesive force of the adhesive bonding the sealing plug 6 is lowered or the amount of water leaking into the body 3 is large, there is a possibility that a problem may occur in the sealing force of the sealing plug 6.

And since the sealing stopper 6 is installed at the lower end of the body 3, installation and maintenance work is difficult and complicated.

This, in turn, results in lowering the functionality and usability of the bathroom slab drainage system.

The present invention was conceived to solve the above problems, and the problem to be solved in the present invention is to simplify the discharge of leakage water flowing into the slab from the bubble mortar layer, as well as fresh water used for the freshwater test after waterproofing the slab. It is to provide a bathroom slab drainage system that can be stably implemented.

The bathroom slab drainage device according to the present invention for solving the above problems includes: a drain unit comprising a cylindrical body portion with open upper and lower portions, and a connection pipe portion formed in communication with an outer peripheral surface of the body portion; A support unit provided below the drain unit and having a fresh water discharge passage communicating with the body portion; It is selectively inserted and installed in the main body, and a plurality of leakage inlets are formed on the outer circumferential surface of the upper end, and a leakage unit is formed on the outer circumferential surface of the lower end to communicate with the connection pipe part. .

The bathroom slab drainage device according to the present invention can easily discharge the fresh water used in the freshwater test after the slab waterproofing work, as well as the leakage of water flowing into the slab from the bubble mortar layer, due to its structural characteristics, and the installation state is robust. And keep it stable.

Accordingly, the functionality and usability of the bathroom slab drainage device can be further improved.

1 is a cross-sectional view of a conventional bathroom slab drainage device,
2 is a perspective view showing a configuration when fresh water is discharged using a bathroom slab drainage device according to the present invention;
Figure 3 is an exploded perspective view of Figure 2,
Figure 4 is a cross-sectional view of Figure 2,
5 is a cross-sectional view showing a lower body part of a drain unit of a bathroom slab drainage device according to the present invention;
6 is a perspective view showing the configuration of the discharge of water leakage using the bathroom slab drainage device according to the present invention,
Figure 7 is an exploded perspective view of Figure 6,
8 is a cross-sectional view of FIG. 6;
9A and 9B are diagrams illustrating a state of use of the bathroom slab drainage device according to the present invention.

Hereinafter, a bathroom slab drainage device according to the present invention will be described in detail through the drawings.

As shown in Figs. 2 to 8, the bathroom slab drainage device according to the present invention is buried in the slab of the bathroom to selectively discharge fresh water and leakage water.

That is, the bathroom slab drainage system simply and stably discharges the fresh water used for the freshwater test after the slab waterproofing work, as well as the fresh water generated from the bubble mortar layer, etc. and flowed into the slab.

The bathroom slab drainage device includes a drain unit 10, a support unit 20, and a water leak unit 30.

The drainage unit 10 is for simply and efficiently discharging the leakage water that has flowed into the slab, generated from the freshwater and the bubble mortar layer, etc. used in the freshwater test after the slab is waterproofed.

This drainage unit 10 includes a main body 12 in which an internal flow path is formed; A connection pipe portion 14 formed on the outer circumferential surface of the body portion 12; It consists of a guide flange portion 16 formed on the outer peripheral surface of the body portion 12.

The main body 12 has a cylindrical shape in which upper and lower portions are open, and serves as a flow path through which fresh water introduced into the slab is discharged. The connection pipe portion 14 communicates with the body portion 12 to become a flow path through which leakage water introduced into the slab is discharged, and the connection pipe portion 14 is formed in communication with the outer peripheral surface of the body portion 12.

As described above, through the configuration of the main body 12 and the connection pipe 14, the flow paths through which fresh water and leakage water are discharged are different from each other, so that the stability of drainage can be relatively enhanced.

In addition, a plurality of locking projections 13 are protruded on the outer peripheral surface of the lower end of the main body 12. The number and arrangement of the locking projections 13 can be appropriately changed as necessary.

In addition, the guide flange unit 16 is for guiding the leakage of water into the main body 12, and is formed in a ring shape and is fitted and detached to the upper outer surface of the main body 12.

The guide flange unit 16 includes a storage groove 16a through which leakage water is introduced and stored; It is communicated with the storage groove (16a), it consists of a guide groove (16b) for guiding the leakage water introduced into the storage groove (16a) to the main body (12).

The storage groove 16a is formed in a circular shape, and a plurality of guide grooves 16b are formed in the storage groove 16a at regular intervals.

On the other hand, the drain unit 10 comprising the main body 12, the connection pipe 14, and the guide flange 16 is preferably made of a synthetic resin material having excellent physical properties such as durability and water resistance.

The support unit 20 is provided under the drain unit 10 and has a fresh water discharge passage 22 communicating with the main body 12.

This support unit 20 is coupled to the drain unit 10 to be height adjustable. To this end, on the inner circumferential surface of the support unit 20, a guide groove 24 for guiding the locking protrusion 13 of the main body 12 formed in the drain unit 10 is formed in a vertical direction, and a guide groove ( A plurality of locking grooves 26 are formed in a horizontal direction at regular intervals along the guide groove 24 so as to communicate with 24).

And the locking groove 26 is made of a long shape, the number of which can be adjusted as needed.

With this configuration of the support unit 20, the drain unit 10 is inserted at the position of the specific locking groove 26 during the process of moving the drain unit 10 by inserting the locking protrusion 13 into the guide groove 24. ) By rotating the locking protrusion 13 to be selectively locked in the locking groove 26, so that the height of the drainage unit 10 can be easily and efficiently implemented, depending on the thickness of the slab. By adjusting the bathroom slab drainage system can be used universally.

The leakage unit 30 is selectively inserted and installed in the main body 12 of the drainage unit 10, and a plurality of leakage inlets 32 are formed vertically in the upper outer circumferential surface, and the drainage unit 10 is formed on the lower outer circumferential surface. A leak outlet 34 communicating with the connection pipe portion 14 is formed.

In addition, the water leakage unit 30 is provided with a rubber packing 36 for maintaining watertightness. The rubber packing 36 includes a first rubber packing 36a provided on the outer circumferential surface of the water leakage unit 30 and in close contact with the inner circumferential surface of the main body 12; It consists of a second rubber packing (36b) provided on the bottom of the water leakage unit (30) and in close contact with the inner circumferential surface of the main body (12). Even if leakage of water flows into a minute gap between the main body 12 and the water leakage unit 30 through the first and second rubber packings 36a and 36b, it can be effectively blocked.

In particular, the first rubber packing (36a) is made in a ring shape, the second rubber packing (36b) is made in a multi-stage corrugated shape to relatively increase the watertight maintenance efficiency.

The rubber packing 36 is preferably made of an ethylene propylene rubber (EDPM) material having excellent water resistance.

In addition, a'∩'-shaped identification ring 38 is provided on the closed upper surface of the leakage unit 30, and the leakage unit 30 can be easily inserted into the drainage unit 10 through the identification ring 38. Of course, it is possible to accurately match the leak outlet 34 to the connection pipe portion 14 of the drain unit 10 through the location (direction) of the identification ring 38.

Meanwhile, it goes without saying that it may further include a drain filter (not shown) made of a fibrous filter material or a non-woven fabric material that is provided inside the water leakage unit 30 and removes foreign substances mixed in the water leaking into the water leakage unit 10.

The usage and drainage method of the bathroom slab drainage device described above will be described with reference to FIG. 9 as follows.

① Freshwater discharge step: This is the step of discharging fresh water used in the freshwater test after waterproofing the slab (S).

In such a fresh water discharge step, as shown in (A) of FIG. 9, a drain unit 10 is installed on the upper part of the support unit 20. At this time, the main body 12 of the drain unit 10 is installed in communication with the fresh water discharge passage 22 of the support unit 20.

Accordingly, fresh water flowing into the main body 12 of the drainage unit 10 is naturally discharged through the freshwater discharge passage 22 of the support unit 20.

② Leakage discharge step: This is the step of discharging the leaked water that has flowed into the slab (S) from the bubble mortar layer, etc. placed on the top of the slab (S).

In such a water leakage discharge step, as shown in (B) of FIG. 9, the water leakage unit 30 is inserted and installed in the main body 12 of the drain unit 10 to maintain the interior of the main body 12 The euro is closed. At this time, the water leakage outlet 34 of the water leakage unit 30 communicates with the connection pipe portion 14 of the drainage unit 10.

Accordingly, the leakage water introduced through the leakage inlet 32 of the leakage unit 30 is naturally discharged through the leakage outlet 34 and the connection pipe portion 14.

Meanwhile, reference numeral C, which is not described, denotes a waterproof layer formed on the slab S, and reference numeral P, which is not described, denotes a pipe connected to the connection pipe portion 14.

10: drain unit 12: main body
13: locking protrusion 14: connecting pipe part
16: guide flange 20: support unit
22: discharge passage 24: guide groove
26: locking groove 30: water leakage unit
32: leak inlet 34: leak outlet
36: rubber packing S: slab

Claims (5)

In the bathroom slab drainage device buried in the slab (S) to discharge fresh water and leakage water,
A drainage unit 10 comprising a cylindrical body portion 12 with open upper and lower portions, and a connection pipe portion 14 formed in communication with the outer circumferential surface of the body portion 12;
A support unit (20) provided below the drain unit (10) and having a fresh water discharge passage (22) communicating with the main body (12);
A leak in which a plurality of leak inlet ports 32 are formed on the upper outer circumferential surface and a leak discharge port 34 in communication with the connection pipe 14 is formed on the lower outer circumferential surface. Bathroom slab drainage device, characterized in that it comprises a unit (30).
The method according to claim 1,
The bathroom slab drainage device, characterized in that the drainage unit 10 and the support unit 20 are coupled to be adjustable in height.
The method according to claim 2,
A plurality of locking protrusions 13 are formed on the outer peripheral surface of the lower end of the main body 12,
On the inner circumferential surface of the support unit 20, a guide groove 24 for guiding the locking protrusion 13 is formed in a vertical direction, and at regular intervals along the guide groove 24 so as to communicate with the guide groove 24. Bathroom slab drainage device, characterized in that the plurality of locking grooves (26) are formed in a horizontal direction.
The method according to claim 1,
A bathroom slab drainage device, characterized in that the water leakage unit (30) is provided with a rubber packing (36) in close contact with the inner circumferential surface of the body portion (12).
The method of claim 1,
A bathroom slab drainage device, characterized in that it further comprises a guide flange (16) coupled to the upper outer circumferential surface of the main body (12) to guide fresh water or leak water flowing into the main body (12).

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