KR100882439B1 - Drainage trench for preventing backflow of bad smell - Google Patents

Abstract

A drainage trench is provided to efficiently prevent backflow of bad smell from outside or collecting container during the exhaust of bad smell. A drainage trench(100) for preventing backflow of bad smell comprises a trench body(200) in which a flange(230) with a stepped part(260) and a drain hole(400) connected to a collecting container and a drain pipe are formed, a cover having a plurality of drain grooves on the upper side, and a backflow prevention member(500) which is placed in a receiving part(220) of the trench body in order to prevent bad smell from flowing in through the drain hole.

Description

Drainage trench for preventing backflow of bad smell}

The present invention relates to a drain trench structure installed for sewage drainage in a bathroom or restaurant interior floor. In general, a drain for discharging sewage flowing in the indoor floor to a corner of an indoor floor, such as a bathroom or a restaurant, is provided with a drainage device for guiding water drained through a drain trench into a sump embedded in the indoor floor.

In general, such a drain trench is composed of a trench body having a "c" shaped cross section with an open top and a trench cover for shielding the trench. When the trench is constructed, the trench is formed in a drain passage pre-built at the bottom of the construction site. And mortar is cured by filling cement mortar between the trench and the drain passage.

The general structure of the conventional drainage trench having an open top and a long length is as in FIG.

That is, as shown, the cross-section is a "c" shape with the upper portion is open, the trench body 20 formed with the upper bent portion 23 is bent outwardly on both sides of the upper end, and the stepped portion 26 of the upper bent portion It is generally set to the trench cover 30 formed on the top and forming a plurality of drainage grooves 27.

In this case, one side inner wall of the trench main body 20 formed to have a date is blocked to trap the sewage flow flow, the drain hole so that the water collected in the trench body 20 can be discharged to the drain pipe or the sump. And drainage connection pipe 40 is installed.

In addition, the bottom surface of the trench body 20 may be configured to have a deeper depth toward one end for smooth drainage.

However, in the case of the drain trench 10 having a long horizontal structure in the conventional straight shape, the drainage trench 10 is installed due to the odor and odor flow back from the external sump connected to the drain connection pipe 40 during the wastewater discharge operation. There was a problem that the flow into the room.

The present invention has been made in order to solve the above-mentioned conventional problems, in the drain trench structure extending in a straight line, the odor flows back from the outside or the sump through the drain hole connected to the drain in the process of the sewage drainage The purpose is to prevent it effectively.

The configuration of the present invention for solving the above technical problem, is installed by fixing the mortar filled with cement mortar for drainage of sewage on the indoor floor, such as a bathroom or restaurant, odor from the sump filled in the indoor floor as a drain hole of the drain trench In the odor counter-flow drainage trench configured to prevent backflow, the drainage trench has a structure having an inner wall and a bottom portion formed with a flange having a stepped portion at an upper side of both side ends and integrally extending with the flange, and having a concrete drainage passage. The stainless steel trench body is assembled to be connected in a horizontal structure in a long manner, and the rectangular plate-like structure formed to fit the size of the stepped portion formed inside the flange. The upper surface is a trench cover made of steel having a plurality of drainage grooves. The trench body is configured in a horizontal direction. A two-stage structure, which is a drainage part constituting a part and a receiving part structure constituting a lower end portion of a main body adjacent to a portion connected to the drainage pipe of the drainage part, the accommodating part along an inner wall in which a drain hole connected to an outer sump and a drainage pipe is formed; The bottom portion of the trench body extends downward to have a depth extending in the lower direction to form a receiving space having a predetermined depth, and the odor backflow prevention member is introduced into the receiving portion.

In addition, the odor backflow prevention member is composed of a triangular structure having a predetermined thickness consisting of a body portion that is a structure for smooth discharge of the incoming sewage, and a cover portion for shielding the tapered body portion top surface, the body portion The first inner wall is formed of a wall surface adjacent to the drain hole and has an opening for inducing the flow of wastewater to the drain hole, and forms an inclined surface tapered to both sides in the longitudinal direction, so that one end of the inclined surface has a predetermined height from the bottom surface. The second inner wall and the bottom surface extending integrally with the inner wall to form an accommodating space for storing the incoming sewage and flowing it to the drain, so that the cover portion is wide at the side where the sewage flows It consists of a rectangular plate-like structure having a curved portion bent upward by a certain angle in the direction, Protruding support is formed in the inner vertical direction from the second inner wall so that the cover portion can be placed.

In addition, the malodor backflow prevention member is a body portion consisting of a bottom surface of the rectangular shape of the size that can be accommodated in the bottom surface of the receiving portion, and an inner wall integrally extending in the vertical direction from the bottom side of the bottom surface, the body Square with a certain thickness including a rectangular cover portion covering the upper surface to open and close the portion and a support member configured in the width direction at both ends of the body portion to increase the support force and shielding efficiency when the cover portion is placed on the upper surface of the body portion Consists of a structure of the shape, the upper end of the inner side of the body portion in the width direction has an opening for introducing and discharging sewage to guide the flow of sewage, the bottom portion of the body portion having a predetermined height in the upward direction One or more vertical plates are formed, and a plurality of second vertical plates extending in the lower direction are formed at the bottom of the cover part, and the second number Be the first to board is characterized in that that the direct and alternating arrangement.

In addition, the circumference of the lid portion is characterized in that the sealing effect after the bonding of the silicon member is reinforced by the airtight efficiency of the stored waste and adhesion to the inner wall of the trench body.

In addition, the cover portion is characterized in that the handle portion formed in the width direction or the longitudinal direction.

In addition, the inside of the receiving portion is characterized in that the sewage is stored below the height of the drain hole which is formed for the discharge of sewage to block the flow of odor flowing back from the sump through the drain hole.

In the case of applying the drainage trench according to the present invention, in the drainage trench structure extending in a straight line, it is effective that the odor flows back from the outside or the sump through the drainage hole formed in the inner wall of one side of the trench body in the process of the sewage drainage. It has the effect of creating a pleasant indoor environment by preventing it.

Hereinafter, with reference to the accompanying drawings, a detailed description and embodiments of the drain trench structure according to the present invention will be described in detail.

Figure 2 is a perspective view showing a drain trench according to the present invention, Figure 3 is a cross-sectional view of the drain trench provided with a malodor backflow prevention member according to an embodiment of the present invention, Figure 4 is an exploded perspective view of Figure 3, Figure 5 is the present invention 6 is a cross-sectional view of a drain trench provided with a malodor backflow prevention member according to another embodiment of the present disclosure, FIG. 6 is an exploded perspective view of FIG. 5, and FIG. 7 is a cross-sectional view illustrating another embodiment of the present invention.

First, the drainage trench 100 structure is connected to the trench body 200, the trench cover 300, and the drain pipe 410, and includes a drain hole 400 formed on an upper wall of one side of the trench body 200.

The trench body 200 is a rectangular structure having a flange 230 having a lengthwise receiving groove formed in the longitudinal direction so that the sewage flows inward, and having a stepped portion 260 at the upper end of the inner wall. In this case, it is preferable to use a stainless steel material having a strong resistance to corrosion.

At this time, the trench body 200 is assembled by connecting to the concrete drainage passage in a long horizontal structure. In this case, the trench bodies 200 may be connected to each other according to the length of the drain passage. In this case, as the connection method, it is also possible to fit the grooves and protrusions formed in the flange 230, but it is preferable to simply configure the connection portion by soldering.

The material forming the trench body 200 and the trench cover 300 is preferably made of stainless steel or synthetic plastic.

On the other hand, the trench 100 is formed to match the size and height of the stepped portion 260 formed on the upper inner wall and forms a rectangular trench cover 300 having a plurality of drainage holes on the upper surface. Therefore, the trench cover 300 may be easily placed on an upper surface of the stepped portion 260. At this time, in the rectangular drainage trench 100 structure, it is preferable to form a groove in the vertical direction to strengthen the fixing force when the trench cover is coupled.

In the trench body 200 according to the present invention, the trench body 200 has a depth extending downward along an inner wall 240 in which a drain hole 400 connected to the outer sump 420 and the drain pipe 410 is formed. The bottom part 250 extends downward to further form a receiving part 220 having a predetermined depth. Accordingly, the trench body 200 has a drain portion 210 constituting the upper end portion in the longitudinal horizontal structure and a receiving portion 220 constituting the lower portion while having a predetermined depth in a downward direction from one end of the drain portion 210. ) To form a two-stage structure.

In addition, the accommodating part 220 allows the odor backflow prevention members 500 and 600 to be introduced therein. This is to prevent the odor and odor that can flow back through the drain hole 400 to flow back into the room.

The odor backflow prevention members 500 and 600 may include filthy water inflow openings 530 and 613 formed at one side of the odor backflow prevention members 500 and 600 so that the incoming effluent may flow therein. 410 and the sewage discharge openings 531 and 614 are preferably formed at one side so as to be discharged to the drain 400 connected to the sump 420.

According to this, it is possible to always store a certain amount of water into the receiving unit 220 to serve to block the flow of odor and odor that can flow back from the sump 420 and the external drain pipe 410 to be introduced into the room. It becomes possible.

EMBODIMENT OF THE INVENTION Hereinafter, preferred embodiment in the structure of the malodor backflow prevention member 500 and 600 which concerns on this invention is described in detail with reference to an accompanying drawing.

First, referring to Figures 3 and 4 will be described the structure of the odor backflow prevention member 510 of a triangular shape having a predetermined thickness as follows.

The odor backflow prevention member has a triangular shape having a predetermined thickness consisting of a body part 510 which is a structure for smoothly discharging the introduced sewage, and a cover part 520 that shields the top surface of the tapered body part 510. It consists of a structure.

At this time, the body portion 510 is formed of a wall surface adjacent to the drain hole 400 of the trench body 200, and a first inner wall having a wastewater discharge opening 531 formed therein to guide the flow of wastewater to the drain hole 400. 511, and the second inner wall 512 to form a slope tapered to both sides in the longitudinal direction and to have a certain height from the bottom surface 513 to allow the inflow of sewage, and to store the introduced sewage It consists of a bottom surface 513 extending integrally with the inner wall (511, 512) to form a receiving space for flowing into the discharge opening 531.

In this case, the inclined plane angle may be changed according to the position and size of the opening 530 through which the wastewater flows.

On the other hand, the cover portion 520 is configured in a rectangular plate-like structure having a curved portion 521 bent in a predetermined angle upward in the width direction from the side where the sewage flows, so that the cover portion 520 can be placed It is preferable to form the protruding support part 514 in the inner vertical direction from the second inner wall 512.

Therefore, the sewage flowing through the sewage inflow opening 530 is stored at a predetermined depth into the backflow prevention member 500. At this time, the stored water is discharged to the drain hole 400 when the predetermined amount or more is discharged to the outside through the sump 420 and the drain pipe 410.

The cover part 520 forms a tapered surface in an oblique direction, and this structure serves to guide the flow direction downward by confining the flow and flow of odor and odor flowing back through the drain hole 400. Therefore, the introduced odor is blocked because of the water stored in the odor backflow prevention member 500 to a certain depth.

In this case, the lid 520 is fitted around the edge of the silicon member 700, and one side of the silicon member 700 is bonded to one side of the inner wall of the trench main body 200 to bond and seal the efficiency of the stored sewage. And it is preferable to strengthen the adhesion to the inner wall of the trench body 200.

On the other hand, the cover portion 520 is formed on the upper surface of the handle portion 800 to facilitate the user gripping in the width direction or longitudinal direction.

As another embodiment, the structure of the malodor backflow prevention member 600 which is a rectangular structure having a predetermined thickness will be described with reference to FIGS. 5 and 6.

The odor backflow prevention member 600 extends integrally in a vertical direction from a bottom of the bottom surface 611 and a square bottom surface 611 of a size that can be accommodated on the bottom surface of the receiving portion 220. The body part 610 which consists of an inner wall 612, the cover part 620 of the square shape which covers the upper surface so that the said body part 610 may be opened and closed, and the said cover part 620 may be settled on the upper surface of the body part 610. It is composed of a square-shaped structure having a predetermined thickness including a support member 630 configured in the width direction at both ends of the body portion so as to increase the support force and shielding efficiency at the time.

In addition, the body parts 610 include openings 613 and 614 for introducing and discharging sewage to guide the sewage flow to upper end portions of the inner wall in both longitudinal directions of the body part 610, and the bottom surface 611 of the body part 610. At least one first vertical plate 615 having a predetermined height in the upper direction is formed, and at least one second vertical plate 621 extending in the lower direction at the bottom of the cover portion 620, the second number Preferably, the direct plate 621 is alternately arranged with the first vertical plate 615.

At this time, the arrangement interval of the first vertical plate 615 and the second vertical plate 621 may be variously changed according to the fluidity and storage amount of the sewage.

Therefore, the filthy water flowing through the filthy water inflow opening 613 flows through the inside of the square odor backflow preventing member 600, and flows through the first and second vertical plates 615 and 621 to flow therein. When the water is stored and a certain amount of water is filled through the sewage discharge opening 614 formed on the drain hole 400 side connected to the drain pipe 410, the sewage introduced thereafter is discharged along the drain pipe 410.

In this case, the rectangular plate-shaped body that is the upper structure of the cover portion 620 is preferably configured to have a size that can be placed on the upper surface of the stepped portion 260 of the trench body 200.

The cover part 620 serves to guide the flow direction in a downward direction by confining the flow and flow of odors and odors introduced by flowing backward through the drain hole 400. Therefore, the introduced odor is blocked due to the water stored in the odor backflow prevention member 600 to a certain depth.

On the other hand, the circumference of the lid 620 is preferably bonded after the silicon member 700 is bonded to enhance the airtight efficiency of the stored sewage and adhesion to the inner wall of the trench body 200.

In addition, the upper surface of the cover portion 620 to form the handle portion 800 in the width direction or the longitudinal direction.

FIG. 7 relates to an embodiment in which the odor backflow prevention member having the square shape illustrated in FIGS. 5 and 6 is applied.

As shown, in this case, it is the same as the above-described embodiment, and the only difference is that the upper shape of the second vertical plate 621 is configured to be bent to extend to the bottom of both ends of the cover part 620 in the longitudinal direction. . In this case, the streamlined shape has the advantage of improving the appearance.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is intended by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

  1 is an exploded perspective view showing a conventional drain trench structure.

  2 is a perspective view showing a drain trench according to the present invention;

Figure 3 is a cross-sectional view of the drain trench provided with a malodor backflow prevention member according to an embodiment of the present invention

4 is an exploded perspective view of FIG.

5 is a cross-sectional view of a drain trench provided with a malodor backflow prevention member according to another embodiment of the present invention.

Figure 6 is an exploded perspective view of Figure 5

Figure 7 is a cross-sectional view showing another embodiment of the present invention

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

100: drain trench 200: body

210: draining portion 220: receiving portion

230: flange 240: inner wall

250: bottom portion 260: stepped portion

300: cover 400: drain hole

410: drain pipe 420: sump

500, 600: odor backflow prevention member

510: body portion 511: first inner wall

512: second inner wall 513: bottom surface

514: protrusion support 520: cover

530: wastewater inlet opening 531: wastewater discharge opening

610: body portion 611: bottom surface

612: inner wall 613: sewage inlet opening

614: wastewater discharge opening 615: first vertical plate

616: support member groove 620: cover portion

621: second vertical plate 630: support member

700: silicon member 800: handle portion

Claims (6)

In the drainage trench for preventing odor backflow, which is installed by fixing cement mortar for drainage of sewage on the indoor floor such as a bathroom or a restaurant, and preventing odor from flowing back from the sump buried in the indoor floor as a drain hole of the drainage trench, The drain trench, A flange body having a stepped portion formed at an upper side of both side ends and configured of an inner wall and a bottom portion integrally extending with the flange, the stainless steel trench body being connected to the concrete drainage passage in a horizontal structure for assembling; Square plate-like structure formed to fit the size of the stepped portion formed inside the flange, the upper surface is composed of a trench cover made of steel having a plurality of drainage grooves, The trench body has a two-stage structure, a drainage part constituting an upper end portion in a horizontal direction and a receiving part structure constituting a lower end portion of one side of the main body adjacent to a portion connected to the drainage pipe among the drainage parts, and the receiving part includes an outer sump and a drain pipe; The bottom portion of the trench body extends downward to have a depth extending downward along the inner wall where the drain hole is formed, thereby forming a receiving space having a predetermined depth, and introducing a malodor backflow preventing member into the receiving portion. Drainage trench to prevent odor backflow. The method of claim 1, The malodor backflow prevention member is composed of a triangular structure having a predetermined thickness consisting of a body portion which is a structure for smooth discharge of the incoming sewage, and a cover portion for shielding the tapered body portion top surface, A first inner wall having a body portion formed with a wall surface adjacent to the drain hole, and having an opening for inducing wastewater flow to the drain hole at an upper portion thereof; A second inner wall constituting an inclined surface tapered to both sides in the longitudinal direction, and allowing one end of the inclined surface to have a predetermined height from the bottom surface to allow sewage inflow; And a bottom surface integrally extending with the inner wall to form an accommodation space for storing the introduced sewage and flowing it to the drain. The cover portion has a rectangular plate-like structure having a curved portion bent upward by a predetermined angle in the width direction from the side where the sewage flows, Odor backflow prevention drain trench, characterized in that to form a protruding support in the vertical direction from the second inner wall so that the cover portion can be placed. The method of claim 1, The malodor backflow prevention member includes: a body portion including a bottom surface having a square shape having a size that can be accommodated in the bottom surface of the accommodation portion, and an inner wall integrally extending in a vertical direction from the bottom side of the bottom surface; A rectangular cover part covering an upper surface to open and close the body part; And a support member configured in the width direction at both ends of the body to increase the supporting force and the shielding efficiency when the cover part is placed on the upper surface of the body part. The upper end of the body portion in the longitudinal direction of both sides in the width direction includes an opening for introducing and discharging sewage to guide the flow of sewage, and at least one first vertical plate having a predetermined height in a bottom direction of the body portion And a plurality of second vertical plates extending downward in the bottom portion of the cover part, and arranging the second vertical plates alternately with the first vertical plates. The method of claim 2 or 3, The circumference of the cover portion is a drainage trench for preventing odor backflow, characterized in that the airtight efficiency of the stored sewage and the adhesion to the inner wall of the trench body is strengthened by bonding after bonding the silicon member. The method of claim 2 or 3,  Odor backflow prevention drain trench, characterized in that the handle portion formed on the upper surface of the cover portion in the width direction or the longitudinal direction. The method of claim 2 or 3, Wastewater is stored inside the receiving portion below the height of the drain hole, which is formed for the discharge of wastewater to block the flow of odor flowing back through the drain hole from the sump can be blocked back flow Trench.

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