KR101729772B1 - Over Flow Protection Apparatus for Apartment House - Google Patents

Abstract

The present invention relates to an apparatus for preventing back flow of a multi-unit dwelling, which can filter impurities and prevent back flow of domestic sewage as an apparatus for preventing back flow of a drainage pipe line installed in a utility room of a veranda and a bathroom. As a blocking ball for preventing back flow, capable of blocking a lower portion of a drainage path is accommodated in the apparatus when a water level inside a drainage plug installed on a bottom surface in a bathroom, a utility room and so on rises, the apparatus for preventing back flow can prevent sewage from flowing back to an indoor space through the drainage pipe even when an amount of sewage rapidly increases. To eliminate possibility of back flow of sewage through a gap sewage between blocking balls, a gate valve is additionally installed on the drainage path. Therefore, the apparatus for preventing back flow can basically block back flow of sewage.

Description

BACKGROUND OF THE INVENTION Field of the Invention [0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a sewer backflow prevention apparatus for a dwelling house, and more particularly, to a backwash prevention apparatus for a dwelling house, The present invention relates to a sewer backflow preventing apparatus for a residential house.

Generally, the drainage trap is buried with the drainage pipe on the bottom side of the bathroom and the utility room, discharging various kinds of sewage to the drainage pipe, and the odor coming from the drainage pipe or blocking the backflow of the sewage.

In addition, the drain trap is provided with a cover having a plurality of drain holes formed therein to filter various foreign substances such as hair contained in domestic sewage.

Conventional drain traps are constructed such that a hemispherical blocking plate for discharging only sewage is installed inside a case formed in a square or circular shape to block odors and worms that flow back from the sewer.

However, in the conventional drain trap, the space between the drain hole for discharging sewage and the blocking plate is narrow, the discharge rate per unit time is low, and the minute pollutants passing through the drain hole are not discharged quickly together with the sewage, .

In addition, there is a problem that when the amount of water increases drastically during rainy season or rainy season, or when the water level of the drain pipe rises, the backwash phenomenon occurs in which sewage rises to the upper side through the drain trap.

Korean Registered Patent Publication No. 0642314

SUMMARY OF THE INVENTION The present invention has been conceived to solve the above-described problems, and it is an object of the present invention to provide a water purifier for preventing the backflow preventing ball, It is possible to prevent the sewage from flowing backward to the room through the drain pipe and to prevent the possibility that the sewage can flow back into the gap between the drainage passage and the cut-off ball, the gate valve is additionally installed in the drainage line, Which can fundamentally block the reverse flow of the sewerage backflow of the apartment house.

In order to accomplish the above object, the present invention provides a sewer backflow preventing apparatus for a dwelling house, comprising: a drain main body having a drain pipe connection port connected to a drain pipe at a lower side thereof, A cover in which a plurality of drain holes for draining sewage are radially drilled and coupled to the upper side of the drainage main body; And a plurality of drainage holes, which share the inner drainage passage, are radially perforated on the lower side, so that the drainage holes are formed in the upper side and the drainage holes are formed in the lower side, Drainage coupled to the pre-drain assembly of the lid; A mesh assembly member in which a plurality of drainage holes are drilled and assembled to a lower side before drainage; A slider part extending to one side of the main body part having a draft net detachably provided at a lower portion of the mesh assembly and a through hole connected to the center of the drainage before flange connection, And a gate valve slidably reciprocated by a driving shaft connected to the cylinder and configured to open and close a drain passage at a central portion of the drainage. When the water level of the drainage pipe installed on the bottom surface of the bathroom rises, And the central portion before the drainage through the shut-off plate is cut off by the operation of the cylinder according to the signal of the pressure sensor.

And a blocking ball formed on the lower side before the drainage and formed as a buoyant body floating in water to temporarily block the lower side by a drainage before the drainage water having a smaller diameter (width) when the water level in the drainage pipe rises.

And a communication unit for informing the outside that the water level of the drain pipe according to the signal of the pressure sensor is raised.

According to the sewer backflow prevention device for a dwelling house of the present invention as described above, when the water level rises inside the drainage installed on the bottom surface of a bathroom, a multi-functional room, etc., Therefore, even if the amount of sewage increases sharply, sewage can be prevented from flowing back to the room through the drain pipe. In order to prevent the possibility that the sewage can flow backward through a gap between the drainage passage and the blocking bowl, So that there is an effect that the reverse flow of sewage can be fundamentally cut off.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view illustrating a sewer backflow preventing apparatus for a dwelling house according to an embodiment of the present invention,
FIG. 2 is an exemplary view of a sewer backflow prevention apparatus for a dwelling house according to an embodiment of the present invention,
3 is an assembled cross-sectional view of a sewer backflow prevention device for a dwelling house according to an embodiment of the present invention,
4 is a cross-sectional view showing an open state of a gate valve according to an embodiment of the present invention,
FIG. 5 is a reference view showing an operation state of a sewer backflow prevention apparatus for a dwelling according to an embodiment of the present invention,
6 is a cross-sectional view showing a closed state of a gate valve according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings in order to facilitate a person skilled in the art to easily carry out the present invention.

1 and 2, the sewer backflow preventing apparatus for a dwelling according to an embodiment of the present invention includes a drainage pipe connecting hole 21 to which a drain pipe 10 is connected at a lower side thereof, A drainage main body 20 which is buried at the same height or slightly lower than the drainage main body 20 and a cover 30 which is pierced by a plurality of radial holes to drain the drainage main body 20.

As shown in FIG. 3, the drainage hole 40 formed in the shape of a cutout having a narrower diameter than the upper and lower sides and connected to the pre-drainage assembly 32 of the lid 30, The blocking ball 70 and the blocking ball 70 that temporarily block the lower side of the drainage passage 42 of the drainage passage 40 having the smaller diameter (width) when the water level of the drainage pipe 10 rises, A mesh assembly member 50 assembled to the lower side of the built-in drainage tank 40 and a sieve 60 installed in the mesh assembly 50. The water level of the drainage pipe 10 installed on the bottom surface 100 of the bathroom is The blocking ball 70 blocks the lower side of the drainage passage 42 to prevent the sewage water from flowing backward.

In the above-described configuration, the drainage passage 40 is formed with a drainage passage 42 passing through the inside of the body 41 formed in the shape of a mortar with a narrower diameter at the center than the upper and lower sides.

A screw assembly 43 is screwed on the upper portion of the body 41 to screw the pre-drainage assembly 32 of the lid 30. A plurality of drain holes 44 are formed on the lower side of the body 41, And the screw assembly 43 is assembled so as to be coupled to the pre-draining assembly 32 of the lid 30.

The blocking ball 70 formed of a buoyant body floating in the water is installed on the lower side of the drainage front 40 and is connected to the drainage front 40 when the water level in the drainage pipe 10 rises, The lower side of the drainage passage 42 of the drainage passage 42 is temporarily blocked.

The net assembling member 50 is formed by drilling a plurality of large and small drain holes 56,

So that the blocking ball 70 is prevented from being detached.

The sieve mesh 60 formed in a lattice shape to remove foreign matter contained in the sewage is detachably attached to the lower side of the mesh assembly member 50 having an opening portion in which the outer circumferential surface is cut at least 1/2.

Reference numeral 25 denotes a fastener for fastening the drainage main body 20 to the floor of the bathroom.

The present invention can also be applied to the case where the water level of the drainage pipe 10 installed on the bathroom floor surface 100 is increased according to the signal of the pressure sensor 210 mounted on the space portion below the drainage pre- And a gate valve (300) configured to block the central portion.

3 and 4, the gate valve 300 includes a body portion 350 having a through-hole 352 connected to a center portion of the drainage passage 40 by a flange joint, A cylinder 370 provided at the opposite side of the body portion 350 of the slider 360 and a drive shaft 372 connected to the cylinder 370 to reciprocate sliding, And a blocking plate 380 for opening and closing the drainage passage 42 at the central portion.

In the blocking plate 380, a groove is formed along the edge, and an O-ring 384 for sealing the body plate 350 with the groove is provided in the groove.

The water discharged to the bottom of the bathroom is introduced into the drainage channel 42 of the drainage tank 40 assembled at the lower side of the drainage hole 31 of the lid 30 The drainage water introduced into the drainage path 42 is drained to the drainage pipe 10 located at the lower side through the drainage holes 44 formed in the side part and the drainage holes 56 formed in the bottom of the mesh assembly member 50.

On the other hand, when the water generated in the road due to rainy season or rainy season flows into the sewer pipe at the same time and the water level of the sewer pipe rises, if the water level of the water pipe 10 also increases, The blocking ball 70 is pushed up to the upper side to block the drainage passage 42 of the drainage outlet 40, so that sewage can be prevented from flowing back to the bathroom.

As described above, according to the present invention, when the water level of the backflow prevention blocking ball 70, which is interlocked with the water level of the drainage pipe 10 installed in the bathroom floor 100, is built up before the drainage and the water level rises, Is temporarily shut off at the lower side of the drainage passage 42 of the smaller drainage outlet 40, it is possible to prevent the sewage water from flowing back to the upper side.

As shown in FIG. 6, when the water level of the drain pipe 10 installed on the bathroom floor surface 100 rises, according to the signal of the pressure sensor 210 installed in the space below the drain water front 40, In the state in which the sewerage is prevented from flowing back to the upper side primarily by the blocking ball 70 as the central portion of the drainage passage 40 is blocked by the operation of the cylinder 370 through the blocking plate 380, It is prevented that the sewage flows back to the upper side through the gap that can be formed between the blocking ball 70 and the inside of the drainage can 40 by preventing the sewage water from flowing back to the upper side.

When the water level of the drain pipe 10 rises and a signal is generated from the pressure sensor 210 installed in the space below the drain water preheater 40, the water level of the drain pipe 10 is increased. And a communication unit 250 for notifying a terminal (not shown).

Accordingly, the landlord recognizes that the drainage duct 42 is blocked due to the rise of the water level of the drain pipe 10 due to the prevention of the backflow by the smartphone, and it is possible to prevent the water from flowing into the drainage pipe until the backflow phenomenon is eliminated.

In addition, a warning light or an alarm or the like interlocking with the pressure sensor 210 may be provided so that when a signal is generated from the pressure sensor 210, it can be illuminated or audible that the water level of the water pipe 10 is rising.

An odor detection sensor (not shown) is installed in a space below the drainage tank 40. When the odor is detected, the drainage water is discharged through the shutoff plate 380 by the operation of the cylinder 370 according to the signal of the odor sensor. It is possible to prevent the malodor from rising through the sewer by blocking the central part of the sewage pipe 40.

As described above, according to the present invention, when the water level rises inside the drain before being installed on the bottom surface of a bathroom, a utility room or the like, the blocking ball for preventing the reverse flow can be blocked, It is possible to prevent the sewage from flowing backward to the room through the drain pipe and to prevent the possibility that the sewage can flow back into the gap between the drainage passage and the blocking bowl by further installing a gate valve in the drainage passage, As shown in FIG.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of illustration, It will be readily apparent that various substitutions, modifications, and alterations can be made herein.

10: drain pipe 20: drain water main body
21: drain pipe connector 30: cover
40: before draining 50: mesh assembly member
60: Filter 210: Pressure sensor
300: Gate valve

Claims (3)

A drain main body having a drain pipe connection port connected to a drain pipe at the lower side and being buried at the same height as the floor surface of the bathroom or slightly lower than the drain pipe connection surface;
A cover in which a plurality of drain holes for draining sewage are radially drilled and coupled to the upper side of the drainage main body;
And a plurality of drainage holes, which share the inner drainage passage, are radially perforated on the lower side, so that the drainage holes are formed in the upper side and the drainage holes are formed in the lower side, Drainage coupled to the pre-drain assembly of the lid;
A mesh assembly member in which a plurality of drainage holes are drilled and assembled to a lower side before drainage;
A squeezing net disposed at a lower portion of the mesh assembly; And
And a blocking ball provided on the lower side before the drainage and formed of a buoyant body floating in water to temporarily block the lower side with drainage before the drainage water having a smaller diameter (width) when the water level in the drainage pipe rises;
A slider portion extending to one side of the main body having a through hole connected to the center portion of the drain before the drainage, a cylinder provided at a portion of the slider portion opposite to the main body portion, and a drive shaft connected to the cylinder, And a gate valve composed of a shutoff plate for opening and closing the drainage passage at the central portion,
Wherein a central portion of the drainage pipe installed on the bottom of the bathroom is closed by the operation of a cylinder according to a signal from a pressure sensor installed in a lower space before the drainage,
And a communication unit for informing the outside that the water level of the drain pipe is increased according to the signal of the pressure sensor.
The sewage can be prevented from flowing back to the upper side in a state where the sewer water is prevented from flowing back to the upper side primarily by the blocking ball, Backward flow of the sewer is prevented. delete delete

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