KR20230001827U - Drain trap with double water sealing structure - Google Patents

Abstract

In the present invention, odor backflow can be more effectively prevented by providing a second sealing structure within the first sealing structure provided in the drain trap main body, and the drain trap main body is secured by the first sealing resin support cover mounted on the drain trap support cover. Leakage of internal odors can be prevented, and as a water dam is protruding on the outside of the first sealing resin support cover, a waterproof layer with excellent adhesion can be easily formed, as well as preventing water from flowing in through damaged areas of the tile and mortar layer. This relates to a drainage trap with a double sealing structure that prevents water from leaking into the concrete floor layer.
A drain trap having a double seal water structure according to an embodiment of the present invention includes a drain trap body embedded in and fixed to the floor concrete layer and connected to a drain pipe on one side, and a drain trap body coupled to the top of the drain trap body and the upper end on the floor concrete layer. A drain trap support cover whose seated and supported flange protrudes outward in the radial direction, is seated and coupled to the drain trap support cover and is provided with a first mounting ring on the inside, and on the outside, a water blocking dam whose lower end is supported by the flange and a waterproof layer is in close contact with the drain trap support cover. A first seal water support cover that protrudes upward, a bong water tank whose upper edge is seated and supported on the first mounting ring of the first water seal support cover and a drainage hole is formed on the upper outer circumferential surface to be spaced apart, and which is supported on the upper end of the bong water tank to A first vertical seal water pipe that extends into the barrel and is open at the bottom, a second seal water support cover supported at a distance from the first water seal support cover, and a second water seal water support cover supported on the inner edge of the second water seal support cover and the first vertical water seal water pipe. It includes a second vertical water seal pipe that extends into the pipe and has an open lower end.

Description

Drain trap with double water sealing structure}

The present invention relates to a drain trap installed on the floor of, for example, a bathroom, toilet, veranda, laundry room, etc., to enable drainage of sewage and at the same time prevent blockage caused by foreign substances and backflow of bad odors. More specifically, in It's about.

Bathrooms, toilets, verandas, laundry rooms, etc. in modern houses have drains installed in the center of the floor or in the corners of the floor to drain sewage.

In addition, a drain trap is installed in the drain, which prevents the drain from being clogged by foreign substances such as hair through a filter net and at the same time prevents bad odors from flowing back through a water seal structure.

As an example of such a drain trap, Korean Utility Model Publication No. 20-2017-0002282 (June 27, 2017) states that a floor drain device for layered piping is an enclosure installed on reinforced concrete for the foundation floor of a bathroom and having an open upper surface. It is formed in the shape of a floor drain body portion on one side of which the first drainage connection pipe extends in a state spaced apart from the reinforced concrete for the foundation floor, and an external inlet accommodated in the floor drain body portion and formed in the shape of a box with an open upper surface. A member, an upper frame that is seated on the upper end of the floor drain body and has a first step formed on the lower side of the inner surface and a second step formed on the upper side of the inner surface, and which is formed through the upper and lower directions and has an upper end of the upper frame. An inner member that is seated and supported on a first step and extends inside the outer member, the lower end of which is spaced apart from the bottom surface of the outer member, and a drain seated on the second step of the upper frame and through which a plurality of drain holes are formed. A cover, and on one side, a second drain connector into which the first drain connector of the floor drain body is inserted and connected extends at a distance from the reinforced concrete for the foundation floor, and on the other side, a third drain connector is extended. A floor drainage device for layered piping including a shaped or T-shaped drain is disclosed.

In addition, Korean Utility Model Registration No. 20-0327222 (2003.09.19.) discloses a main drain tank installed on a floor slab, a long drain groove exposed in the longitudinal direction exposed on the upper surface of the floor slab, and a drain communicating with the main drain tank. A floor drainage device comprising a drainage frame with holes, and an outer filter frame coupled to the upper surface of the drainage frame to filter foreign substances, wherein a support ridge is formed on an upper edge of the drainage hole, and a discharge pipe communicates with the main drainage tank. It consists of an inner wall forming a passage, an outer wall having a flange supported on the support ledge at the upper end and forming a receiving space for receiving domestic wastewater together with the inner wall, and a bottom surface forming the bottom of the inner and outer walls. An indoor floor drainage device comprising a sealing water tank, a closed upper surface and an open lower surface, a water sealing cap coupled between the inner and outer walls, and a gap maintenance means for maintaining the sealing water cap at a certain distance from the sealing water container. is initiated.

In the case of the conventional drain trap as described above, a single water sealing structure is applied to prevent odors from flowing back in the drain pipe as part of the drained sewage is always filled, so the odor generated from the drain trap main body is released from damaged parts of the waterproof layer. There is a problem in that it is impossible to prevent the inflow of water through .

In addition, there is a problem in that the waterproof layer cannot be completely adhered to the outer peripheral surface of the irregularly shaped drain trap, and especially when microcracks occur in the mortar layer, odors within the drain trap body may be discharged to the outside without passing through the water sealing structure.

1. Korean Utility Model Publication No. 20-2017-0002282 (2017.06.27.) 2. Korean Utility Model Registration No. 20-0327222 (2003.09.19.)

Therefore, in the present invention, odor backflow can be more effectively prevented by providing a second seal water structure within the first seal water structure provided in the drain trap main body, and the drain trap is secured by the first seal resin support cover seated on the drain trap support cover. Leakage of odors within the main body can be prevented, and as a water dam is protruded on the outside of the first seal resin support cover, a waterproof layer with excellent adhesion can be easily formed, as well as inflow through damaged areas of the tile and mortar layer. The purpose is to provide a drainage trap with a double sealing structure to prevent water from leaking into the floor concrete layer.

In order to achieve the above object, the present invention includes a drain trap body embedded in the floor concrete layer and connected to a drain pipe on one side, and a flange coupled to the top of the drain trap body and seated and supported on the floor concrete layer at the top in a radial direction. A drain trap support cover protrudes outward, a first mounting ring that is seated and coupled to the drain trap support cover and is provided on the inside, and on the outside, a water dam with its lower end supported by the flange and in close contact with the waterproof layer is formed to protrude upward. A seal water support cover, a water seal tank whose upper edge is seated and supported on the first mounting ring of the first water seal support cover and drain holes are formed on the upper outer circumferential surface, and which is supported on the upper end of the water seal tank and extends into the water seal tank, and the lower end is open. A first vertical sealing water pipe is formed, a second sealing resin support cover is supported at a distance from the first sealing resin support cover, and is supported on the inner edge of the second sealing resin support cover, extending into the first vertical sealing water pipe, and the lower end is open. A drainage trap having a double sealing structure including a second vertical sealing water pipe is provided.

In the present invention, a coupling protrusion is formed protruding on the upper inner side of the drain trap main body, and a multi-stage coupling groove that is selectively coupled to the coupling protrusion is formed on the lower outer peripheral surface of the drain trap support cover.

In the present invention, a seating step is formed at the inner top of the drain trap support cover, and a seating protrusion that is seated and coupled to the seating step of the drain trap support cover is formed to protrude downward at the center of the first seal resin support cover.

In the present invention, a spaced support ring supported on the flange of the first seal resin support cover is provided at the lower part of the second seal resin support cover.

In the present invention, it is coupled to the inner peripheral surface of the first sealing resin support cover and further includes a pressure fixing ring that pressurizes and fixes the sealing water tank and the first vertical sealing water pipe with respect to the first holding ring.

According to a drain trap having a double sealing water structure according to an embodiment of the present invention, a first vertical sealing water pipe is mounted in a water sealing tank provided in the drain trap main body, and a second vertical sealing water pipe is mounted again in the first vertical water sealing pipe. By providing a double seal water structure, odor backflow can be prevented more effectively, and leakage of odors within the drain trap body can be prevented by the first seal resin support cover seated on the drain trap support cover. As the water dam is protruding on the outside of the sealing resin support cover, a waterproof layer with excellent adhesion can be easily formed, and water flowing in through damaged areas of the tile and mortar layer can be prevented from leaking into the floor concrete layer. There is an advantage.

According to the drain trap having a double seal water structure according to an embodiment of the present invention as described above, the odor blocking effect is increased by the double seal water structure, and the tight adhesion of the waterproof layer is formed by the first water seal resin support cover on which the water dam is protruding. It has the advantage that water leakage into the floor concrete layer can be neglected at the same time as it becomes easier.

Figure 1 is a cross-sectional structural diagram of a drainage trap with a double seal water structure according to an embodiment of the present invention.
Figure 2 is a cross-sectional view illustrating the operation of a drain trap with a double seal water structure according to an embodiment of the present invention.

Figure 1 is a cross-sectional structural diagram of a drain trap having a double sealing structure according to an embodiment of the present invention, and Figure 2 is a cross-sectional view explaining the operation of a drain trap having a double sealing structure according to an embodiment of the present invention.

A drain trap having a double seal water structure according to an embodiment of the present invention includes a drain trap body that is embedded and fixed in the floor concrete layer and a drain pipe is connected to one side, and is coupled to the top of the drain trap body and is seated on the floor concrete layer at the top. A drain trap support cover whose supported flange protrudes outward in the radial direction, is seated and coupled to the drain trap support cover and is provided with a first mounting ring on the inside, and on the outside, a water blocking dam whose lower end is supported by the flange and whose waterproof layer is in close contact with the drain trap support cover. A first bong water support cover that protrudes upward, a bong water tank whose upper edge is seated and supported on the first mounting ring of the first bong water support cover and a water drain hole is formed spaced apart on the upper outer circumferential surface, and which is supported on the upper end of the bong water tank to form the bong water tank. A first vertical sealing water pipe extending inward and having an open lower end, a second sealing resin support cover supported at a distance from the first sealing resin support cover, and a first vertical sealing water pipe supported on the inner edge of the second sealing resin support cover It includes a second vertical water seal pipe that extends inward and is open at the lower end.

From here, with reference to FIGS. 1 and 2, each component of the drain trap having a double seal water structure according to an embodiment of the present invention and its connection relationship will be described in detail.

As shown in Figures 1 and 2, the drain trap 1 having a double seal structure according to an embodiment of the present invention includes a drain trap main body 10, a drain trap support cover 20, and a first seal water. It includes a support cover 30, a water seal tank 40, a first vertical water seal pipe 50, a second water seal support cover 60, and a second vertical water seal pipe 70.

Here, the drain trap main body 10 forms the casing of the drain trap 1 having a double seal structure according to an embodiment of the present invention, and forms the floor of a bathroom, toilet, veranda, laundry room, etc., for example. It is embedded and fixed in the floor concrete layer (2).

In addition, on one side of the drain trap main body 10, a drain pipe connection portion 11 to which the drain pipe 6 embedded and fixed in the floor concrete layer 2 is connected is formed to protrude. In addition, a coupling protrusion 12 is formed on the upper inner side of the drain trap main body 10 so that the drain trap support cover 20, which will be described later, is coupled to the drain trap main body 10 in a height-adjustable manner.

A drain trap support cover 20 is coupled to the top of the aforementioned drain trap main body 10. The drain trap support cover 20 serves to guide the drain trap main body 10 to be embedded and fixed at a certain depth on the floor concrete layer 2, and is formed on the floor concrete layer (2) so that it is exposed on the floor concrete layer 2. 2) It is seated and supported on the table.

For this purpose, a flange 21, which is seated and supported on the floor concrete layer 2, is formed at the top of the drain trap support cover 20 and protrudes outward in the radial direction. This flange 21 also serves to form a kind of support base that supports the first seal resin support cover 30, which will be described later.

In addition, a seating step 22 is formed on the inner top of the drain trap support cover 20 for seating and coupling the first water seal resin support cover 30, which will be described later.

In addition, the drain trap support cover 20 is preferably coupled to the drain trap main body 10 in a height-adjustable manner. For this purpose, it is preferable that a multi-stage coupling groove 23 that is selectively coupled to the coupling protrusion 12 is formed on the lower outer peripheral surface of the drain trap support cover 20. The multi-stage coupling groove 23 has a structure in which a plurality of ring-shaped grooves are spaced apart in the vertical direction.

The first seal resin support cover 30 is seated and coupled to the above-described drain trap support cover 20. The first sealing water support cover 30 serves to support the water sealing tank 40 and the first vertical water sealing pipe 50, which will be described later, in the drain trap main body 10 so that a first sealing water structure can be formed.

For this purpose, a seating protrusion 31 that is seated and coupled to the seating step 22 of the drain trap support cover 20 is formed to protrude downward in the center of the first seal resin support cover 30, and the first seal resin support cover 30 On the inside, a first mounting ring 32 is provided for mounting the bong water tank 40 and the first vertical bong water pipe 50.

Additionally, a water dam 33 is formed to protrude upward on the outside of the first water seal support cover 30. The water stop dam 33 is a drain trap having a double seal structure according to an embodiment of the present invention as the lower end is supported by the flange 21 of the drain trap support cover 20 and the outer surface is closely adhered to the waterproof layer 3. Not only does it lead to the easy formation of a waterproof layer (3) with excellent adhesion to (1), but also prevents water flowing in through damaged areas of the tile (5) and mortar layer (4) from leaking into the floor concrete layer (2). This phenomenon can be prevented in advance.

The height of the water stop dam 33 is preferably formed to be the same as the height of the inner edge of the waterproof layer 3 surrounding the drainage trap 1 having a double seal water structure according to an embodiment of the present invention.

The upper edge of the water seal container 40 is seated and supported on the first mounting ring 32 of the above-described first water seal support cover 30. As part of the sewage water that is always drained inside the sealing tank 40 is stored at a certain height, the lower end of the first vertical sealing pipe 50, which will be described later, is closed by the sewage, so that odors from downstream flow back, for example. It serves to block inflow into bathrooms, toilets, verandas, laundry rooms, etc., and is formed in the shape of an enclosure with an open upper surface.

At the upper edge of the bong water tank 40, a first seating flange 41, which is seated and supported on the first mounting ring 32 of the first bong water support cover 30, is bent radially outward and protrudes, and the bong water tank ( A plurality of drain holes 42 are spaced apart and formed through the upper outer peripheral surface of the bong water tank 40 to provide the sewage filled in the bong water tank 40 to the drain trap main body 10 and drain it.

The first vertical water seal pipe 50 is supported at the upper end of the above-described bong water tank 40 and extends into the bong water tank 40. The first vertical water seal pipe (50) forms a normal water seal structure together with the above-described water canister (40), and has a first water seal at the upper edge that is seated and supported on the first seating flange (41) of the water canister (40). The seating flange 51 is bent outward in the radial direction to protrude, and the lower end is open to allow downward drainage and to prevent backflow of odor by being closed by sewage in the water seal tank 40. This first vertical water pipe 50 has an overall shape similar to a funnel.

Since the water sealing structure formed by the water sealing tank 40 and the first vertical water sealing pipe 50 is the same as the water sealing structure applied to the conventional drain trap, further detailed description will be omitted here for the sake of simplification of the specification.

The second seal resin support cover 60 is supported at the upper portion of the first seal resin support cover 30 described above. The second water seal support cover 60 supports the second vertical water seal pipe 70, which will be described later, to extend into the first vertical water seal pipe 50, thereby forming a double water seal structure.

A second mounting ring 61 on which the upper edge of the second vertical water seal pipe 70 is seated and supported is formed on the inner edge of the second water seal support cover 60, and at the lower part of the second water seal support cover 60. A spaced support ring 62 is provided. The spaced support ring 62 supports the second seal resin support cover 60 by being spaced upward from the first seal resin support cover 30, and the lower end is attached to the flange 21 of the first seal resin support cover 30. It is supported and the upper end supports the lower end of the second sealing resin support cover (60).

The second vertical water seal pipe 70 is supported on the inner edge of the above-described second water seal support cover 60 and extends into the first vertical water seal pipe 50. The second vertical sealing water pipe (70) forms a double sealing structure within the drain trap main body (10) together with the sealing water container (40) and the first vertical sealing water pipe (50), and has a second sealing water support cover at the upper edge. A support protrusion seated and supported on the inner edge of (60) is formed to protrude downward, and the lower end is open to allow downward drainage and to prevent backflow of odor by being closed by sewage in the bong water tank (40). Like the first vertical water seal pipe 50, this second vertical water pipe 70 has an overall shape similar to a funnel.

A pressure fixing ring 80 is coupled to the inner peripheral surface of the above-described first seal resin support cover 30. The pressure fixing ring 80 serves to pressurize and fix the first seating flange 41 of the bong water tank 40 and the second seat flange 51 of the first vertical bong water pipe 50 to the first mounting ring 32. Do it.

For coupling the pressure fixing ring 80, it is preferable that a coupling groove into which the radial outer end of the pressure fixing ring 80 is coupled is formed on the inner peripheral surface of the first seal resin support cover 30.

In the case of the drain trap (1) having a double seal water structure according to an embodiment of the present invention as described above, the first vertical seal pipe (50) is mounted in the seal water tank (40) provided in the drain trap main body (10). As a double sealing structure is provided in which the second vertical sealing pipe (70) is mounted within the first vertical sealing pipe (50), the backflow of odor can be more effectively prevented, and the drain trap support cover (20) Leakage of odors in the drain trap main body 10 can be prevented by the first seal resin support cover 30, which is seated on the , and a water dam 33 is formed protruding on the outside of the first seal resin support cover 30. Accordingly, not only can a waterproof layer with excellent adhesion be easily formed, but it also has the advantage of preventing water flowing in through damaged areas of the tile (5) and mortar layer (4) from leaking into the floor concrete layer (2). there is.

In other words, when the drain trap (1) having a double seal water structure according to an embodiment of the present invention is installed on the floor of a bathroom, toilet, veranda, laundry room, etc., the water seal tank (40), the first and second vertical water seal pipes The double sealing structure formed by (50, 70) increases the odor blocking effect, and the first sealing resin support cover 30 with the water blocking dam 33 protruding makes it easy to form a close contact with the waterproofing layer 3. There is an advantage that water leakage into the floor concrete layer (2) can be ignored.

Although several embodiments have been described above as examples, it is obvious to those skilled in the art that the present invention can be embodied in various other forms without departing from the spirit and scope thereof. Accordingly, the above-described embodiments should be considered illustrative rather than restrictive, and the appended claims and all implementations within the equivalent scope thereof will be included within the scope of the present invention.

1: Drainage trap with double seal structure
2: Floor concrete layer
3: Waterproof layer
4: mortar layer
5: Tiles
6: drain pipe
10: Drain trap body
11: Drain pipe connection part
12: Combined protrusion
20: Drain trap support cover
21: flange
22: Seating step
23: Multi-stage combining groove
30: 1st seal resin support cover
31: Seating protrusion
32: 1st mounting ring
33: Water dam
40: Bong water container
41: 1st seating flange
42: drainage hole
50: 1st vertical sealing pipe
51: 2nd seating flange
60: 2nd seal resin support cover
61: 2nd holding ring
62: Separated support ring
70: 2nd vertical sealing pipe
80: Pressure fixing ring

Claims (5)

A drain trap body (10) embedded and fixed in the floor concrete layer (2) and connected to a drain pipe (6) on one side;
A drain trap support cover (20) coupled to the top of the drain trap main body (10) and having a flange (21) seated and supported on the floor concrete layer (2) at the top protrudes radially outward;
It is seated and coupled to the drain trap support cover 20 and is provided with a first mounting ring 32 on the inside. On the outside, a water dam 33, the lower end of which is supported by the flange 21 and the waterproof layer 3 in close contact, is upward. A first seal resin support cover (30) formed to protrude;
A bong water tank (40) whose upper edge is seated and supported on the first mounting ring (32) of the first bong resin support cover (30) and a drain hole (42) is formed at an upper outer peripheral surface to be spaced apart;
A first vertical sealing pipe (50) supported on the upper end of the bong water container (40), extending into the bong water container (40) and having an open lower end;
a second seal resin support cover (60) supported at a distance from the first seal resin support cover (30); and
A drain trap having a double sealing structure including a second vertical sealing water pipe (70) supported on the inner edge of the second sealing water support cover (60), extending into the first vertical sealing water pipe (50), and having an open lower end. . In claim 1,
A coupling protrusion 12 is formed protruding on the upper inner side of the drain trap main body 10, and a multi-stage coupling groove 23 that is selectively coupled to the coupling protrusion 12 is formed on the lower outer peripheral surface of the drain trap support cover 20. A drain trap with a double seal water structure. In claim 1,
A seating step 22 is formed at the inner top of the drain trap support cover 20, and a seating step 22 is formed at the center of the first water seal support cover 30 and is seated and coupled to the seating step 22 of the drain trap support cover 20. A drain trap with a double seal water structure, characterized in that the seating protrusion (31) is formed to protrude downward. In claim 1,
A drain trap having a double seal structure, characterized in that a spaced support ring (62) supported by the flange (21) of the first seal resin support cover (30) is provided at the lower part of the second seal support cover (60). The method according to any one of claims 1 to 3.
A pressure fixing ring (80) is coupled to the inner peripheral surface of the first sealing resin support cover (30) and pressurizes and fixes the sealing water container (40) and the first vertical sealing water pipe (50) to the first mounting ring (32). A drain trap having a double seal water structure, characterized in that it further includes.

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