WO2015152472A1

WO2015152472A1 - Drain trap

Info

Publication number: WO2015152472A1
Application number: PCT/KR2014/007748
Authority: WO
Inventors: 서재식
Original assignee: 서재식; 주식회사 에스엠지
Priority date: 2014-04-02
Filing date: 2014-08-21
Publication date: 2015-10-08
Also published as: KR101415336B1; CN105917054A

Abstract

The present invention relates to a drain trap installed in a drain comprising: a drain cap main body which comprises a holding part having a holding protrusion formed at the edge thereof and a first circular mounting protrusion formed on the inside thereof, and a hollow draining part having a second mounting protrusion formed at the upper part thereof and a blocking protrusion inwardly protruded at the lower part thereof and is integrally formed in the holding part; an odor backflow prevention device; a filter part; and a cover mounted and installed in the holding part of the drain cap main body by forming a mounting protrusion part and having a plurality of through-holes formed on the inside thereof.

Description

Drain Traps

The present invention relates to a drain trap, and more specifically, not only to filter out large and small foreign matters without clogging the drain trap, but also to prevent the odor flow back through the odor preventing device installed inside the oil price main body. It can be prevented, and easy separation of odor backflow prevention device and filter unit can prevent loss or damage, and can easily handle filtered foreign matters.Even if the odor blocking ball is separated by load, impact, or damage, It is possible to prevent clogging of the drain hole by catching the odor blocking ball and preventing water from entering into the hollow of the handle where the spring is installed. Relates to a drain trap that can be maintained.

Generally, rainwater or sewage is discharged to sewers through manholes of sewers installed on the side of roads, and domestic sewage generated from homes and restaurants flows to sewers through drains.

However, organic matter and inorganic matter contained in rainwater, sewage, and domestic sewage decay due to chemical reactions, microorganisms, and bacteria, and odors are generated. These odors flow back through the drainage pipes and spread outside the manhole, It flows backwards and spreads into the room, polluting surrounding and indoor air and causing discomfort.

Therefore, it is common to install a drain trap to block odor where the drain pipe is installed.

Such a conventional drain trap can be confirmed through the registration utility model publication "No. 20-0455814", as shown in Figure 1, the lower guide cylinder that the lower side of the cover member 10 is connected to the fixed end pipe 13 ( 20) and the upper guide cylinder 30 installed in the center of the through hole 11 of the cover member 10, characterized in that configured to function as a trap to trap the water.

However, the above-described conventional drain trap is not completely confined to block odors, but to prevent odors from rising by confined water. If the water is trapped in the drain trap for a certain time, the odor is infiltrated into the water trapped in the drain trap, the odor caused by the stagnant water has emerged as a problem.

In addition, the conventional drain trap has a structure that can only filter out the bulky foreign matter could not achieve the filtering of small foreign matter, there was a problem that the clogging of the drain hole by the foreign material often occurs.

Therefore, the present applicant can not only filter out large and small foreign substances without clogging the drain trap, but also develop a drain trap that can completely block the odor flow back through the odor preventing device installed inside the oil value main body. Reached.

The drain trap of the present invention is installed on the upper part of the oil price main body and the cover to filter large foreign matter, and installed on the lower side of the cover to filter the small foreign matter by separating the foreign matter by separating the double, large and small It is not only possible to filter out foreign substances without clogging the drain trap, but also to prevent the phenomenon of odor flowing back through an odor preventing device installed inside the oil price main body.

In addition, the present invention can be mounted to the first mounting jaw filter unit seated on the first seating jaw by using the protrusion projection of the filter seat projection protrusion of the first seating jaw, the first seating jaw By being able to fix or install between the bottom of the projection and the protrusion, to prevent the loss or damage of the filter, as well as to provide a drain trap that can easily achieve the treatment of the filtered foreign matter.

In addition, the present invention, even if the odor blocking ball configured in the odor backflow prevention device is separated and pulled out by the load or impact and damage, so that the odor blocking ball is caught on the prevention jaw is formed in the lower portion of the oil main body protruding inward It is an object of the present invention to provide a drain trap that can prevent a drainage blockage and achieve easy maintenance.

In addition, the present invention can easily achieve the treatment and cleaning of the filtered foreign matter because the user can easily separate or combine the present invention in the drain by the handle formed in the odor backflow prevention device is formed upward, and the lifting operation The spring is inserted into the hollow of the handle to prevent the water generated in the drain from flowing into the spring to prevent the spring from rusting to provide a drain trap that maintains smooth drainage for a long time There is this.

The present invention for achieving the above object is a mounting projection is formed on the rim and the mounting portion is formed inside the circular first seating jaw, the second seating jaw is formed on the upper side and the lower jaw protruding in the inner direction Valuable body consisting of a hollow drainage portion formed integrally with the mounting portion; A hollow guider and a first handle, which are installed to be spaced apart from the first handle by forming a first catching jaw seated on the second seating jaw of the lower body and the first handle formed in a hollow with a lower opening. It is formed on the outer periphery of the first handle so as to protrude into a manure mounting consisting of a manure plate to form a hollow guider integrally with the first handle, and forming an insertion hole to be fixed to the lower portion of the first handle of the manure mounting It is inserted into the hollow of the seating fixture and the first handle is operated to elevate through the insertion hole of the seating fixture and the upper part is inserted into the lifting pin and the hollow of the first handle and the lower handle is inserted into the hollow of the first handle An elevating means composed of a spring having an upper portion supported by a second catching jaw of the elevating pin and elevating the elevating pin, and fixedly coupled to the elevating means through an engaging means; Smell blocking ball and a spherical, one side is coupled to a lower portion of the hollow guider manure mounting base, preventing the other side are in close contact with the blocking ball odor smell group consisting of milling forming the airtight backflow device; Circular filter unit is formed on the first seating jaw of the oil price main body to form a strainer therein; It provides a drainage trap, characterized in that consisting of; the seating is configured to be seated on the mounting portion of the oil price main body, the cover formed a plurality of through grooves therein.

The drain trap of the present invention is installed on the upper part of the oil price main body and the filter to filter out large foreign matter, and the filter unit is installed on the lower side of the cover to filter out small foreign matter, so that the foreign matter can be separated by a double, small and large foreign matter Not only can be filtered out without clogging the drain trap, there is an advantage to prevent the odor flow back through the odor preventing device installed inside the oil price body.

In addition, the present invention can be mounted to the first mounting jaw filter unit seated on the first seating jaw by using the protrusion projection of the filter seat projection protrusion of the first seating jaw, the first seating jaw Since it can be fixedly installed or separated between the bottom surface and the protrusion of the filter, there is an advantage that can easily achieve the treatment of filtered foreign matters, as well as preventing the loss or damage of the filter.

In addition, the present invention, even if the odor blocking ball configured in the odor backflow prevention device is separated and pulled out by the load or impact and damage, the odor blocking ball is separated from the prevention jaw is formed in the lower portion of the oil main body protruding inward direction. Therefore, the phenomenon that the drainage is blocked is prevented there is an advantage to achieve easy maintenance.

In addition, the present invention can easily achieve the treatment and cleaning of the filtered foreign matter because the user can easily separate or combine the present invention in the drain by the handle formed in the odor backflow prevention device is formed upward, and the lifting operation Since the spring is inserted into the hollow of the handle to prevent the water generated in the drain from flowing into the spring is prevented that the spring is prevented is a useful invention that the smooth drainage action is continuously maintained for a long time.

1 is a cross-sectional view showing a conventional drain trap.

Figure 2 is a perspective view of the drain trap of the present invention.

Figure 3 is an exploded perspective view showing a drain trap of the present invention.

Figure 4 is an exploded cross-sectional view showing the drain trap of the present invention.

5 is a plan view showing the oil price main body of the present invention.

Figure 6 is an exploded cross-sectional view showing a odor backflow prevention device of the present invention.

7 is a cross-sectional view showing an operating state of the drain trap of the present invention.

* Explanation of Codes *

DESCRIPTION OF SYMBOLS 10 Filter mounting stand 11 Hollow 13 1st handle 13a Wedge 15 1st locking jaw 16 Coupling jaw 17 Hollow guider 19 Filter plate

20: lifting means 21: insertion hole 23: seating fasteners 23a: locking mouth 25: second locking jaw 27: lifting pin 29: spring

30: odor blocking ball 30a: upper hemisphere 30b: lower hemisphere 30c: hole 31: coupling means 31a: locking protrusion 31b: wedge portion D3: outer diameter

40: airtight ring 100: odor backflow prevention device

Reference numeral 110: oil main body 111: mounting projection 112: first seating jaw 112a: protrusion projection 113: mounting portion 114: second seating jaw 115: blocking jaw 116: hollow drainage portion D1: the inner circumference of the hollow drainage portion

120 filter unit 120a protrusion groove 121 sieve screen 122 second handle 123 through-hole

130: cover 131: seating projection 132: through groove

150: drain trap

Looking at the configuration of the present invention for solving the above problems are as follows.

The present invention relates to a drain trap 150 that serves to filter foreign matter contained in the water to be drained by being installed in a drain (not shown), as well as to prevent odor from flowing back through the drain. As shown in FIG. 6, the oil price main body 110, the odor backflow prevention device 100, the filter unit 120, and the cover 130 are formed.

First, the oil price main body 110 configured in the drain trap 150 of the present invention is a configuration for installing the present invention in the drain, the mounting portion 113 is installed on the upper portion of the drain and the mounting portion 113 It is formed of a hollow drainage portion 116 integrally formed and fitted to the inner circumference of the drain.

In addition, the cover 130 is separated from the valuable body 110 by surrounding the outside of the cover 130 seated on the upper surface of the mounting unit 113 on the edge of the mounting unit 113 configured in the valuable body 110. It is characterized in that the conventional mounting protrusion 111 to prevent the first, the first mounting jaw 112 of the circular shape for mounting and mounting the filter unit 120 is formed inside the mounting portion 113. .

In addition, a second seating jaw 114 for seating and installing the odor backflow prevention device 100 on the upper portion of the hollow drainage part 116 formed in the oil price body 10 and integrally formed with the mounting portion 113. It is formed, the lower portion of the hollow drainage portion 116 is projected in the inward direction is characterized in that the prevention jaw 115 is configured to prevent the drain hole is blocked.

In addition, the preventive jaw 115 may be formed in a ring shape on the inner circumference of the hollow drain 116, but is preferably formed in a plurality spaced apart at equal intervals for smooth drainage of water.

In addition, the odor backflow prevention device 100 configured in the drain trap 150 of the present invention is installed on the second seating jaw 114 of the oil price main body 110 and the manure mounting table 10 Is coupled to the elevating means (20) to move in accordance with the operation of the spring 29, the spherical odor blocking ball 30 is fixed to the elevating means (20), and one side to the filter mounting (10) The other side is coupled to the odor blocking ball 30 is made of an airtight ring 40 to form a gas tight.

Therefore, when water flows into the drain trap 150 of the present invention, the odor blocking ball 30 coupled to the lifting means 20 by the load acts to lower the water, and when the inflow of water is stopped, the lifting Odor blocking ball 30 is coupled to the means 20 by the upward operation is sealed to act to prevent the backflow of odor and bugs.

Hereinafter, the odor backflow prevention device 100 including the filter mounting table 10, the lifting means 20, the odor blocking ball 30, and the airtight ring 40 will be described in more detail.

First, the manure mounting 10 is installed on the second seating jaw 114 of the oil price main body 100 as described above to drain the water, and at the same time configured to filter out foreign substances contained in the water Thus, the lower portion of the first handle 13 is formed into a hollow 11 is formed.

In addition, the outer side of the first handle 13 is installed with a hollow guide 17 is spaced apart, the upper first of the hollow guide 17 is formed with a conventional first catching jaw 15 protruding outwards By doing so, the manure mounting table 10 is configured to be installed on the second seating jaw 114 of the oil price main body 110.

In addition, the first handle 13 is made of the first handle 13 and the hollow guide 17 is integrally formed through the filter plate 19 is formed integrally with the hollow guide 17, the present invention In the filter plate 19 is characterized in that the upper portion of the first handle 13 is formed to protrude to the upper portion by forming the outer peripheral portion of the first handle (13).

Here, the upper portion of the first handle 13 is formed to protrude upward, so that the user can easily detach or easily combine the odor backflow prevention device 100 from the oil value main body 110 by using the first handle 13. In order to be able to do so, the length of the first handle 13 protruding upwards is preferably formed to protrude long enough to allow the user to comfortably catch without being caught by the filter plate 19, and the smooth flow of water drained. For this purpose, the first handle 13 should be formed in a circular shape.

In addition, the filter plate 19 is formed between a plurality of the first handle 13 and the hollow guider 17 so as to form a passage through which water passes, so as to filter only foreign matter contained in the water. Inner configuration, it may be composed of a conventional plate formed at equal intervals, in addition to it may be composed of a conventional strainer.

In addition, as shown in Figure 6, the outer circumference of the hollow guide 17 formed in the manure mounting table 10 is further included by the engaging jaw 16 is configured to adjust the plate to allow the present invention to fit the size of the drain hole It is preferable to be able to install (not shown).

Here, the inner diameter of the adjustment plate is formed to be the same as or slightly larger than the outer circumference of the hollow guide 17, the control plate is between the first engaging jaw 15 and the coupling jaw 16 formed in the hollow guide 17 Will be fitted to be fixed to the installation, the outer circumference of the control plate will be able to be installed in the drain by easily applied by the user by making several types to meet a predetermined standard.

Second, the lifting means 20 is usually as shown in Figure 4 or 6, 7, so that the odor blocking ball 30 is in close contact with the hermetic ring 40 through the elastic force of the spring so that the odor backflow of the drain hole does not occur And, when the water flows into the manure mounting table 10 by the load of the water by the load of the odor blocking ball 30 is configured to allow the drainage of the water is made by the sealing ring 40, the seating fixture 23 and , The lifting pin 27 and the spring 29 is composed.

Here, the mounting fixture 23 of the elevating means 20 is configured to be fixedly coupled to the lower portion of the first handle 13 configured in the manure mounting table 10, the lifting pin 27 in the center for the lifting movement The insertion hole 21 penetrates in the vertical direction.

In addition, the fixing fixture 23 is fixedly coupled to the lower portion of the handle 13 comprises a plurality of wedges 13a formed in a ring shape on the lower outer periphery of the handle 13, and the mounting fixture 23 In the inner circumference of the) is formed to correspond to the shape of the wedge (13a) it can be easily achieved through the conventional structure constituting the locking hole (23a) fastened to the wedge (13a).

In addition, the elevating pin 27 of the elevating means 20 is inserted into the hollow 11 of the first handle 13 to the elevating operation through the insertion hole 21 of the mounting fixture 23, the outer diameter It is preferable to make the space smaller between the lifting pin 27 and the insertion hole 21 by forming a smaller than a normal clearance than the inner diameter of the insertion hole 21, the spring on the upper portion of the lifting pin (27) The normal second catching jaw 25 receiving the elastic support of 29 is formed.

In addition, the spring 29 of the elevating means 20 is configured to elastically support the elevating pin 27 as described above, the spring 29 is inserted into the hollow 11 of the first handle 13 The lifting pin 38 is installed in the interior thereof.

In addition, the spring 29 is supported on the lower surface of the second locking jaw 25 of the lifting pin 27 while the lower portion is supported on the upper surface of the seating fixture 23 to exert an elastic force. The odor blocking ball 30 is in close contact with the hermetic ring 40 unless an external pressure is applied to the odor blocking ball 30 through the lower side.

Third, the odor blocking ball 30 is configured to be positioned below the manure mounting table 10 in a state of being fixedly coupled to the elevating means 20 through the coupling means 31, elevating by the elevating means 20 By being in close contact with or spaced apart by the airtight ring 40 serves to prevent odor backflow of the water drain or drain.

Here, the coupling means 31 can be easily achieved through the coupling of a conventional bolt nut known.

On the other hand, in the present invention, the engaging means 31 is formed in the upper portion of the locking protrusion 31a and the odor blocking ball 30 formed on the lifting pins 27 of the lifting means 20, the lifting pins It may also be made of a wedge portion 31b to which the engaging portion 31a of the 27 is fastened. According to such a configuration, since there is no space for the odor to pass through the odor blocking ball 30, that is, Since the odor blocking ball 30 is completely sealed, the smell of the drain is completely blocked, there is an effect that can maintain a comfortable environment.

In addition, since the engaging protrusion 31a of the elevating pin 27 is fastened to the wedge portion 31b protruding into a plurality of stages, even if a strong external force is applied to the odor blocking ball 30, the odor blocking ball 30 ) Is also effective to prevent the separation from the wedge (31b).

In addition, since no configuration is installed inside the odor blocking ball 30, the odor blocking ball 30 having the upper hemisphere 30a and the lower hemisphere 30b is typically integrated as shown in FIG. 6. Not only can it be manufactured more easily, but the odor blocking ball 30 is made integrally, so that the inflow of water is blocked at the source, thereby eliminating the need for a hole 30c for water discharge. There is also.

Fourth, the hermetic ring 40 is coupled to the lower side of the hollow guide 17 of the filter mounting 10 as shown in Figures 3 to 6, the other side is in close contact with the smell blocking ball 30 With the usual configuration to achieve this, it will be easy to fabricate using a material such as silicone or rubber with strong elasticity.

In addition, in the present invention, the outer diameter (D3) of the odor blocking ball 30 configured in the odor backflow prevention device 100 is smaller than the inner circumference (D1) of the hollow drainage portion 116 configured in the oil value main body 110, the hollow It is characterized in that it is formed larger than the inner circumference (D2) of the stopper 115 formed on the lower side of the mold drainage portion (116).

Here, the reason that the outer diameter (D3) of the odor blocking ball 30 is formed larger than the inner circumference (D2) of the prevention jaw 115 is the odor blocking ball (30) configured in the odor backflow prevention device due to sustained load, impact and damage Even if the) is separated, the odor blocking ball 30 is to prevent the phenomenon that the drain hole is clogged by being caught by the prevention jaw (115).

Also, as shown in FIGS. 2 to 4 and 7, the filter unit 120 configured in the drain trap 150 of the present invention forms a strainer 121 therein, so that the first seating jaw of the oil price main body 110 is provided. A circular configuration that filters small foreign matter contained in the water by being installed on the 112, and is fixed to the first seating jaw 112 to be seated on the second seating jaw 114 of the oil price main body 110. It is preferable to prevent the odor backflow device 100 from falling out due to the buoyancy of the water.

Therefore, the filter unit 120 is preferably a structure that can be coupled to and separated from the first seating jaw 112, in the present invention around the first seating jaw 112 of the oil price main body 110 The pair of protrusions 112a which are spaced apart from the bottom surface are formed to face each other, and the outer periphery of the filter unit 120 forms protrusion grooves 120a corresponding to the protrusions 112a to form the filter unit ( 120 may be disposed between the bottom surface of the first seating jaw 112 and the protrusion (112a).

In addition, the second handle 122 for rotating and moving the filter unit 120 protrudes from the upper side of the filter unit 120 for easy coupling fixing and easy separation of the filter unit 120. Preferably, according to such a second handle 122, the filter unit seated on the bottom surface on the first seating jaw (112) by making the protrusion (112a) and the protrusion groove portion (120a) to correspond to each other ( Since 120 can be easily rotated, it is possible to easily achieve the fixed installation and separation of the filter unit 120.

In addition, in the present invention, the through hole 123 should be further included in the center of the filter unit 120, and the through hole 123 is an upper side to easily separate the odor backflow prevention device 100 in the present invention. By the first handle 13 is formed to protrude into the filter unit 120 in order to prolong the first handle 13 to the upper side to the manure mounting table 10 of the odor backflow prevention device 100 as described above. The through hole 123 into which the first handle 13 is inserted should be formed.

Therefore, when the filter unit 120 configured as described above is fixed to the first seating jaw 112 of the oil price main body 110, the filter unit 120 is positioned below the filter unit 120 and seated on the second seating jaw 114. Fixed installation of the installed odor backflow prevention device 100 is made at the same time.

In addition, the cover 130 configured in the drain trap 150 of the present invention is configured to be seated on the upper surface of the mounting portion 113 of the oil price main body 110 by configuring the seating protrusion 131 in the lower edge portion, the seating protrusion 131 is installed adjacent to or in close contact with the inner surface of the latching protrusion 111 of the mounting portion 113. In addition, a plurality of through holes 132 are formed in the cover 130 to drain water.

Here, the through groove 132 is configured to filter out a relatively large foreign matter, the through groove 132 is formed larger than the strainer 121 of the filter unit 120.

Therefore, when using the present invention, since the bulky foreign matter is filtered out of the cover 130, and the small foreign matter is filtered out of the filter unit 120, it is easy to achieve the filtering of the foreign matter, and there is a foreign material in one place. Since agglomeration is prevented, even if a large amount of foreign matter is accumulated in the present invention, it is possible to delay clogging of water drainage.

Hereinafter will be described the operation according to the configuration of the present invention.

First, when the drain trap 150 of the present invention is installed in the drain and the water flows into the drain trap 150 of the present invention, the water is introduced through the through groove 132 configured in the cover 130, and at the same time The large foreign matter is applied to the cover 130 is made, the cover 130 takes only a large volume of foreign matter, so that water does not interfere with the drainage.

As the water flows through the cover 130 as described above, the small volume of foreign matter is filtered in the process of passing through the filter net of the filter unit 120 installed at the lower side of the cover 130, the water flowing into the drain hole There is almost no foreign matter, the bulky and small foreign matter is separated into the cover 120 and the filter unit 130 is filtered to delay the phenomenon that the drainage of water is blocked.

In this way, the filtered water is passed through the filter plate 19 configured in the manure mounting unit 10 of the odor backflow prevention device 100, once the manure of the foreign matter is made once again, it is accumulated on the odor blocking ball (30). As described above, when water fills the upper portion of the odor blocking ball 30, the odor blocking ball 30 is loaded in a downward direction.

Accordingly, the spring 29 positioned between the seating fixture 23 and the second catching jaw 25 of the lifting pin 27 is compressed by the load of water, and at the same time, the hollow of the first handle 13 Lifting pin (27) inserted into the (11) is lowered by receiving the guide of the insertion hole (21) formed in the seating fixture (23), the odor blocking ball (30) through the lowering operation of the lifting pin (27) ) Is spaced apart from the hermetic ring 40 is drained of the water accumulated on the odor blocking ball (30).

In addition, even when the water is drained as described above, since the spring 29 is inserted into the hollow 11 of the first handle 13 through the seating fixture 23, even if the drained water splashes in all directions. It is possible to safely protect the spring 29 from the drained water.

On the other hand, after the discharge of water through the above process, the load applied to the odor blocking ball 30 disappears, so that the odor blocking ball 30 is operated by the elastic force of the spring 29, the odor blocking is activated Since the ball 30 is in close contact with the hermetic ring 40 and the sealing of the present invention is made, the odor is prevented from flowing back between the odor blocking ball 30 and the hermetic ring 40.

In addition, in the present invention, the wedge portion 31b formed in the coupling means 31 is integrally formed on the upper portion of the odor blocking ball 30 so that the inside of the odor blocking ball 30 is completely sealed, so that the odor generated from the drain hole Leaking to the outside of the present invention is completely blocked so that a pleasant surrounding environment is continuously maintained.

In addition, since the water, such as water vapor generated in the drain hole does not pass through the sealed odor blocking ball 30, even if the present invention is used for a long time spring 29 is installed in the hollow 11 of the first handle (13) ) Can be prevented from rusting, and through this, it is possible to continuously achieve a smooth drainage action according to the present invention.

In addition, when it is necessary to remove foreign matter from the inside of the drain trap 150 of the present invention due to long-term continuous use, after removing the cover 130 seated on the mounting portion 113 of the oil price main body 110, By using the two handles 122 to rotate the protrusion groove 120a of the filter unit 120 to a position corresponding to the protrusion protrusion 112a of the oil price main body 110, thereafter, lifting the second handle 122 The filter unit 120 can be easily separated from the first seating jaw 112 of the oil price main body 110. After the separation of the filter unit 120 is performed, the filter unit 120 protrudes upward. By lifting the first handle 13, the odor backflow prevention device 100 can be easily separated from the second seating jaw 114 of the oil price main body 110.

Therefore, the operator can easily remove the cover 130, the filter unit 120 and the odor backflow prevention device 100 of the present invention without using a separate tool from the oil price main body 100 filtered through the present invention The treatment of foreign matters can be easily achieved, and the recombination of the separated odor backflow prevention device 100, the filter unit 120, and the cover 130 to the oil price main body 110 can be easily achieved by reversing the above method. Therefore, the user's convenience is increased.

Claims

In the drain trap installed in the drain,

Mounting protrusion 111 is formed on the rim and the mounting portion 113 formed with a circular first seating jaw 112 therein, and the second seating jaw 114 is formed on the upper side and the lower projection protruding inwardly in the lower portion. Valuable value body 110 consisting of a hollow drain 116 formed integrally with the mounting portion 113 to form a 115;

The first handle 13 formed in the hollow 11 and the first locking jaw 15 seated on the second seating jaw 114 of the oil price main body 110 are formed in the upper part to open the first handle ( The hollow guide 17 and the first guide 13 to be spaced apart from the outside 13 is formed on the outer periphery of the first handle 13 so as to protrude upward, the hollow guide 17 is the first handle A seating fixture 10 formed of a manure plate 19 integrally formed at 13 and an insertion hole 21 to form a seating fixture fixedly coupled to a lower portion of the first handle 13 of the manure mounting 10. Lifting pin (23) and the lifting pin is inserted into the hollow (11) of the first handle (13) to move up and down through the insertion hole 21 of the mounting fixture (23) and the second locking jaw (25) formed on the top ( 27) and the hollow 11 of the first handle 13 so that the lower portion is supported by the seating fixture 23 and the upper portion is supported by the second locking jaw 25 of the elevating pin 27 so that the elevating pin ( Elevating 27) Lifting means 20 consisting of a spring 29 to operate, the spherical odor blocking ball 30 is fixed to the lifting means 20 via the coupling means 31, and one side of the filter mounting 10 It is coupled to the bottom of the hollow guider 17, the other side is in close contact with the odor blocking ball 30 made of an airtight ring 40 to form an airtight odor backflow prevention device 100;

Circular filter unit 120 is formed on the first seating jaw 112 of the oil price main body 110 by forming a strainer 121 therein;

Drainage trap characterized in that consisting of; the seating protrusion 131 is configured to be installed in the mounting portion 113 of the oil price main body 110, the cover 130 formed a plurality of through grooves 132 therein.
According to claim 1, the outer diameter (D3) of the odor blocking ball 30 configured in the odor backflow prevention device 100 is smaller than the inner circumference (D1) of the hollow drain portion 116 configured in the oil price main body 110, Drain trap characterized in that formed larger than the inner circumference (D2) of the stopper 115 formed on the lower side of the hollow drain 116.
According to claim 1, A pair of protruding protrusions (112a) formed spaced apart from the bottom surface is formed around the first seating jaw (112) formed in the oil price main body 110,

Protruding grooves 120a corresponding to the protruding protrusions 112a are formed on the outer circumference of the filter unit 120.

On the upper side of the filter unit 120, a second handle 122 for rotating the filter unit 120 seated on the first seating jaw 112 protrudes to form the filter unit 120 in the first seating jaw 112. ) And a drain trap characterized in that it can be fixed between the protrusion (112a).