KR102017668B1 - Drain trap for preventing bad smell backflow - Google Patents

Abstract

The present invention relates to a odor preventing drain trap. In the present invention, the drainage passage 12 is formed inside the trap body 10, and the drainage fan 30 is installed in the backflow blocking part 15 among the drainage passages 12. A hook piece 17 is formed at the outer edge of the inlet portion 14 of the trap body 10 so that it may be hooked to the seating end 5 at the edge of the installation space 3. The drain pan 30 has a plurality of rotary blades 32 around the rotation center axis (31). The rotary blade 32 is a curved surface having a predetermined radius of curvature from the base portion connected to the rotation center axis 31 toward the free end, so that one surface becomes a concave portion 34 and the other surface becomes a convex portion 36. . The rotary blade 32 is also twisted by a predetermined angle with respect to the longitudinal direction of the central axis of rotation 31 to extend from the base to the free end. The center of rotation shaft 31 of the drain pan 30 can move along the shaft guide channel 15 formed inside the trap body 10, so that the maintenance of the drain pan 30 becomes very easy. According to the present invention, while the water is smoothly drained by the rotary blade 32, the backflow of the odor is prevented and foreign matters remain on the rotary blade 32.

Description

Drain trap for preventing bad smell backflow

The present invention relates to a odor blocking drain trap, and more particularly, to a odor blocking drain trap that prevents backflow of odor while smoothly draining.

The drain trap serves to deliver the sewage generated in the living space to the sewage pipe. However, the odor may occur in the sewer pipe, which is sometimes flowed back through the drain trap to the living space. In order to prevent this, the drain trap has a structure for preventing backflow of odor.

For example, by placing a reservoir groove in the drain trap, if the water stored in the reservoir groove is more than a predetermined amount to pass to the sewer pipe to prevent the odor flow back by the stored water. However, there was a problem that can not prevent the odor coming from the water stored in the reservoir home to the living space.

In addition, since there is always water in the reservoir groove, contaminants and debris are caught in the reservoir groove. In general, the drain trap is embedded in concrete, so it is very difficult to clean or replace the drain trap. Therefore, there was also a problem that the odor is generated and delivered to the living space.

In addition, when some of the parts are broken or contaminated with dirt and debris due to the drain trap is embedded or fixed to the concrete is very difficult to maintain.

Korean Utility Model Public Publication No. 20-2010-0000298 Republic of Korea Patent No. 10-1049054 Korean Utility Model Public Publication No. 20-1999-009443

An object of the present invention is to solve the conventional problems as described above, to make it very easy to install and remove the trap body and / or drain pan.

Another object of the present invention is to facilitate the installation and removal of the trap body and / or drain pan, while preventing the backflow of odor while performing drainage using the rotary blades of the drain pan to rotate at the same time to shield the drainage path formed on the trap body It is.

According to a feature of the present invention for achieving the above object, the present invention has an inlet, a planar and the first contact inner surface and the curved surface facing each other and the inner surface is composed of a second contact inner surface facing each other The trap body which is formed by the reverse flow blocking portion, the outlet portion is formed in turn, and the reverse flow blocking portion of the trap body is rotated by the entry of the water while preventing the back flow of the gas through the drainage passage while passing the water to the outlet of the drainage, rotation It is provided with a plurality of rotary blades extending from the base connected to the central axis and the rotation center axis with a predetermined radius of curvature toward the free end so that a concave portion is formed on one surface and a convex portion is formed on the opposite surface. And a drain pan including a contact piece moving in close contact with the second contact inner surface of the countercurrent blocking part and the trap body. And a hook piece provided along a curved outer edge and seated at a seating end at an inlet edge of an installation space formed at a bottom thereof, wherein the contact piece is formed into a curved surface to be in close contact with the second close contact inner surface in a rectangular plate shape, and Both ends of the rotating blade in the width direction are in close contact with the first contact inner surface, and the inner surface of the trap body has a shaft guide channel on which the rotational center axis of the drain pan moves so as to be rotatably connected to one end of the trap body. It is formed starting from and extending into the interior of the drain.

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The rotary blade extends from the base toward the free end in a state of being twisted by a predetermined angle with respect to the extension direction of the rotational center axis.

Wing width ends of both sides of the rotary blade in the width direction is in close contact with the inner surface of the drainage passage of the trap body, the width between the wing width ends is constant, the contact piece of the rotary blades at both ends relative to the center of rotation axis is at least A part is in close contact with the second contact inner surfaces facing each other in the drainage path simultaneously.

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In the odor blocking drain trap according to the present invention, the following effects can be obtained.

In the present invention, there is a hook piece on the upper edge of the trap body, and only the trap body needs to be placed in the installation space, and the trap body can be lifted out by lifting it for separation for maintenance. In addition, the drain pan can be inserted and separated through the upper end of the trap body has the effect of very easy maintenance work.

In the present invention, while the drain pan installed in the drain passage of the trap body rotates freely, the close contact piece at the tip of the rotary blade of the drain pan is in close contact with the inner surface of the drain passage, and the widthwise ends of the rotary blade are also positioned without any gap on the inner surface of the drain passage. Prevents odors from flowing back, while allowing for smooth drainage without temporarily storing water. Therefore, in the present invention, since there is no temporarily stored water, there is an effect that any odor is blocked back to the living space.

In addition, in the present invention, the rotary blade of the drain pan is twisted by a predetermined angle with respect to the rotary shaft, so that the inclined portion of the rotary blade is inclined while moving from one side in the width direction of the rotary blade to the other side, so that water or foreign matter remains on the surface of the recess of the rotary blade Is prevented. Therefore, in the present invention, foreign matter does not remain in the drain trap itself, so that separate cleaning is almost unnecessary and there is an effect that there is no odor generated from the drain trap itself.

1 is a perspective view showing the configuration of a preferred embodiment of the odor blocking drain trap according to the present invention.
Figure 2 is a perspective view showing the configuration of the important part of the embodiment of the present invention.
Figure 3 is a perspective view showing a drain pan constituting the embodiment of the present invention.
4 is a cross-sectional view showing the configuration of an important part of the embodiment of the present invention.
Figure 5 is a cross-sectional perspective view showing the relationship between the drain trap and the drain pan constituting an embodiment of the present invention.
Figure 6 is an explanatory diagram for explaining the relationship between the drain pan and the drain trap in the present invention.
Figure 7 is a use state showing that the drain trap is installed and used in the embodiment of the present invention.
8 is a cross-sectional view showing the configuration of another embodiment of the present invention.
9 is a sectional view of the embodiment shown in FIG. 8 from another direction;

Hereinafter, some embodiments of the present invention will be described in detail through exemplary drawings. In adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are assigned to the same components as much as possible even though they are shown in different drawings. In addition, in describing an embodiment of the present invention, if it is determined that the detailed description of the related known configuration or function is to interfere with the understanding of the embodiment of the present invention, the detailed description thereof will be omitted.

In addition, in explaining the component of the Example of this invention, terms, such as 1st, 2nd, A, B, (a), (b), can be used. These terms are only for distinguishing the components from other components, and the nature, order or order of the components are not limited by the terms. If a component is described as being "connected", "coupled" or "connected" to another component, that component may be directly connected or connected to that other component, but between components It will be understood that may be "connected", "coupled" or "connected".

As shown in the figures, in the drain trap of the present invention, the trap body 10 forms an appearance and a skeleton. The trap body 10 has a drainage passage 12 inside the water passage. The configuration of the trap body 10 may be varied according to the shape of the drain pan 30 to be described below that is installed in the drainage path (12).

The drain trap of the present invention is installed in the installation space (3) formed on the bottom (1), as shown in FIG. A seating end 5 is formed surrounding the entrance edge of the installation space 3. The seating end 5 is mounted with a hook piece 17 and a shield drain plate 18 to be described below. The installation space 3 communicates with the drainage passage 9 of the sewage pipe 7 in the bottom 1.

The trap body 10 is divided into an inlet portion 14, a backflow blocker 15, and an outlet portion 16. The inlet portion 14 is, for example, a portion located on the living space side. The hook piece 17 surrounding the outer edge of the inlet portion 14 is formed to protrude by a predetermined width. The inlet portion 14 is provided with a shielding drainage plate 18. The shielding drainage plate 18 is configured to allow water to pass through the inlet portion 14 while not allowing the drainage passage 12 to be visible from the outside. The hook piece 17 is seated on the seating end 5. In the illustrated embodiment, the hook piece 17 surrounds the entire inlet portion 14 of the trap body 10, but it is not necessary to do so, and may be in only some sections.

In the illustrated embodiment, the inlet 14 is gradually narrowed in flow section area toward the countercurrent block 15 at a portion adjacent to the living space side. This is to allow water to be received and drained in a larger area. The backflow blocker 15 is provided with a drain fan 30. The outlet portion 16 is a part connected to the sewer pipe (7).

An internal configuration of the backflow blocker 15 in the trap body 10 will be described. The reverse flow block 15 is rectangular in cross section in the illustrated embodiment. There is a first contact inner surface 20 facing each other among the inner surfaces of the backflow blocking portion 15. The first contact inner surface 20 is a portion in which both wing width end portion 38 of the rotary blade 32 in the drain pan 30 to be described below is in contact. The first intimate inner surface 20 is a flat plane in the illustrated embodiment.

The remaining two surfaces of the backflow cutoff portion 15 are the second intimate inner surface 22. The second intimate inner surface 22 is curved. As can be seen in FIG. 4, the second close inner surface 22 is formed as a curved surface having a predetermined radius of curvature. The second contact inner surface 22 is in contact with the contact piece 33 at the tip of the rotary blade 32 in the drain pan 30 to be described below.

On the other hand, at least one of the first contact inner surface 20 has a retraction surface 24 adjacent to the outlet portion 16, the wing width end portion 38 of the retraction surface 24 and the rotary blade 32 A spaced passage 26 is formed therebetween. The separation passage 26 is to allow the water and foreign substances flowing along the concave portion 34 of the rotary blade 32 to be discharged toward the outlet portion 16. The receding surface 24 is formed over the entire width of the rotary blade 32, but need not necessarily be formed only over a part of the width of the rotary blade (32).

The drain pan 30 is rotatably installed in the trap body 10 to transfer the water transferred into the drain passage 12 toward the outlet portion 16, and odor from the outlet portion 16 toward the inlet portion 14. Serves to block delivery of

The drain pan 30 has a rotation center axis 31. Both ends of the rotation center shaft 31 are rotatably supported by the trap body 10. In the illustrated embodiment, the rotation center shaft 31 is rotatably installed directly on the trap body 10, but the configuration in which the rotation center shaft 31 is installed on the trap body 10 may be various.

A plurality of rotary blades 32 are installed around the rotation center shaft 31. In the illustrated embodiment, there are six rotary blades 32. The rotary blades 32 may be made separately and mounted to the rotary center shaft 31. 4 and 6, the rotary blade 32, starting from the base connected to the rotation center axis 31 to the free end when viewed from one end direction of the rotation center axis 31 It becomes a curve having a predetermined radius of curvature. In addition, the rotary blade 32 is connected by twisting a predetermined angle with respect to the extension direction of the rotation center axis 31.

The rotary blade 32 has a concave portion 34 on one side and a convex portion 36 on the other side by having a predetermined radius of curvature starting from the base portion to the free end portion.

The rotary blade 32 also has a predetermined radius of curvature from the base to the free end in addition to twisting the extension so that the extension of the rotary blade 32 has a predetermined angle with respect to the direction of extension of the rotation center axis 31. do. That is, the corresponding positions of the wing width end portion 38 on both sides in the width direction of the rotary blade 32 is to be at different heights, while going from one wing width end portion 38 to the other wing width end portion 38. A slope is formed.

At the free end of the rotary blade 32 there is an adhesive piece 33. One surface of the close contact piece 33 is in close contact with the second close contact inner surface 22 of the trap body 10. The close contact piece 33 has a rectangular plate shape. The close contact piece 33 is rotated so that the rotary blade 32 has a predetermined angle with respect to the extending direction of the rotation center axis 31, and extends from the base to the free end, so that an imaginary extension line of one side thereof is the rotation center. It has a predetermined angle with respect to the extending direction of the shaft 31. Since the second contact inner surface 22 is curved, the contact piece 33 is also curved for close contact with the second contact inner surface 22.

The close contact piece 33 has a predetermined width in the rotational direction of the rotary blade (32). In this embodiment, when the contact piece 33 of one rotary blade 32 is in close contact with one side of the second contact inner surface 22, the contact of the rotary blade 32 on the opposite side about the rotation center axis 31 The piece 33 is in close contact with the opposite second contact inner surface 22.

Then, when the rotary blade 32 is rotated in the above state and a part of the contact piece 33 is out of the second contact inner surface 22, the contact piece 33 of another adjacent rotary wing 32 is The second contact inner surface 22 enters. In this way, the contact pieces 33 of the rotary blades 32 on the opposite side with respect to the rotation center axis 31 are always in close contact with the second contact inner surface 22. In addition, the wing width end portions 38 on both sides in the width direction of the rotary blades 32 are in close contact with the first contact inner surface 20, respectively. In this embodiment, the distance between the wing ends 38 is kept constant.

According to the configuration as described above, in the present embodiment, the drainage passage 12 by the rotary blades 32 to maintain a blocked state. Of course, the water and the foreign matter located in the concave portion 34 of the rotary blade 32 which is in close contact with the second contact inner surface 22 is the trap body (the rotation of the rotary blade 32) 10 to the outlet 16. Such a configuration can be confirmed through FIG.

6, when the drain pan 30 is viewed from one end of the rotation center shaft 31, the length h in the water drainage direction of the free end of the one rotary blade 32 is the trap body 10. As shown in FIG. ) Is equal to or smaller than the length h 'of the second close contact inner surface 22. This characteristic must be satisfied to prevent the backflow of odor through the drainage passage 12.

For reference, a surface made of a soft and flexible material such as a brush, a hair, or a silicon film may be installed on the surface of the contact piece 33 to prevent gas from passing through the second contact inner surface 20. The brush, wool or silicon film has a soft property so that there is no gap between the contact piece 33 and the second contact inner surface 20 while slightly deforming the shape. The same is true between the wing end portion 38 and the first contact inner surface 20. A brush, wool or silicon film may be installed on the wing tip 38. The silicon film may be installed throughout the surface or extend from the surface.

8 and 9 show another embodiment of the present invention. For convenience of description, reference numerals of 100 units are given to components corresponding to the above embodiments. The drain trap of this embodiment can be seated by inserting the whole from the top into the installation space 3 of the bottom (1). That is, the hook piece 117 is formed around the edge of the inlet portion 114 of the trap body 110. The hook piece 117 is seated on the seating end 5 formed at the inlet edge of the installation space 3, and installation is performed.

In addition, a shaft guide channel 115 ′ is formed in the trap body 110 to guide the rotational center shaft 131 of the drain pan 130. The shaft guide channel 115 ′ is formed on the first contact inner surface 120 of the inner surface of the trap body 110 in the vertical direction. The shaft guide channel 115 ′ is open at the upper end and closed at the lower end so that the rotation center shaft 131 of the drain pan 130 is rotatably hooked to the lower end.

The shaft guide channel 115 ′ allows the drain pan 130 to be easily separated from the trap body 110. Of course, the installation of the drain fan 130 in the trap body 110 also facilitates the shaft guide channel 115 '. For reference, the shaft guide channel 115 ′ may also be easily installed by inserting the drain pan 130 from the inlet portion 114 to the countercurrent blocking portion 115. A portion of the inlet portion 114 that enters into the backflow blocker 115 is narrower in cross section than the diameter of the drain pan 130 as shown in FIG. 9, but the rotation of the drain pan 130 is performed. Since blade 132 is elastically deformable, insertion is not difficult.

Since the shaft guide channel 115 'is provided, the drain pan 130 may be easily inserted into and separated from the backflow blocking unit 115. This means that the maintenance of the drain pan 130 can be made easier. For example, when foreign matter such as hair is caught in the drain pan 130, only the drain pan 130 may be separated from the trap body 110 to remove it.

Hereinafter, the operation of the odor blocking drain trap according to the present invention having the configuration as described above will be described in detail.

In the present invention, there is a hook piece (17, 117) on the trap body (10,110) it is possible to seat the trap body (10,110) on the seating end (3). The shield drainage plate 18 is mounted on the inlets of the trap bodies 10 and 110 and the hook pieces 17 and 117 to complete the installation of the trap bodies 10 and 100. Therefore, the drain trap of the present invention is very easy to install and remove.

In addition, since the drain pan 130 can be separated from the trap body 110 along the shaft guide channel 115 ′ in the trap body 110, maintenance of the drain pan 130 is made very easy. Can be. In this embodiment, when the scale or foreign matter is stacked on the surface of the drain pan 130 or the hair is tangled, the drain pan 130 can be separated from the trap body 110 and cleaned. For reference, the shaft guide channel 115 'may also be applied to the drain fan 30 of the embodiment shown in FIG.

The drain trap of the present invention can be installed in the installation space 3 formed in the bottom 1 of the bathroom, for example, and is not visible from the outside by the shield drain plate 18. The outlet portion 16 is in communication with the drainage passage 9 of the sewage pipe 7. For reference, the present invention may not necessarily be used only in the bathroom floor. It can be used in various places where only liquid can be transferred in the direction of gravity while preventing backflow of gas. Here, the first embodiment will be described as being installed in a bathroom to perform drainage.

When the water used in the bathroom enters the drainage path 12 through the inlet 14, it falls on the surface of the rotary blade 32 of the drain pan 30. 4, the convex part 36 may face the shielding drainage plate 18, and the recessed part 34 may face the shielding drainage plate 18, as shown in FIG.

Water dropped on the convex portion 36 flows along the surface of the convex portion 36 and collects in the concave portion 34 of the adjacent rotary blade 32. Of course, the water dropped directly into the recess 34 is moved to the lowest position of the recess 34. The lowest position in the concave portion 34 depends on the rotational position of the rotary blade (32).

On the other hand, there is a slope in the width direction of the rotary blade 32 in the concave portion (34). That is, since there is an inclination toward the other wing width end portion 38 from one wing width end portion 38, water flows to a lower place along the slope.

Since the rotary blade 32 collects water in the concave portion 34, the convex portion 34 naturally rotates clockwise with respect to the shielding drainage plate 18 by the weight of the water. Done. When such a rotation is made, the water collected in the concave portion 34 drops from the rotary blade 32 toward the outlet portion 16 of the trap body 10.

In the present invention, the water and the foreign matter in the concave portion 36 is moved to the lowest position of the concave portion 36 in accordance with the rotation of the rotary blade (32). In particular, due to the inclination between the blade width end portion 38 of the rotary blade 32, water and foreign matter is moved toward one side of the blade width portion 38 of the rotary blade (32).

That is, in the present invention, the water and the foreign matter transferred to the concave portion 36 of the rotary blade 32 is continuously moved to go to the lowest position in the concave portion 36. Even if the rotation of the rotary blade 32 stops, the water continues to move in the concave portion 36, and water does not remain in the rotary blade 32 and moves in the gravity direction and is discharged to the outlet portion 16. In particular, the separation passage 26 on the outlet 16 side of the trap body 10 serves to allow the water and foreign substances in the rotary wing 32 to be well discharged.

 The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical spirit of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

In the illustrated embodiment, the rotary blade 32 becomes a curved surface having a predetermined radius of curvature while moving from the base to the free end, and at the same time, the rotary blade 32 is twisted by a predetermined angle with respect to the extension direction of the rotation center axis 31, and the free end at the base. It is intended to extend to, but may not necessarily be so.

For example, the rotary blade 32 may be a curved surface having a predetermined radius of curvature while going from the base to the free end. Even in this manner, since water moves along the surface of the recess 36 of the rotary blade 32, foreign matter may not collect on one side. Of course, if the rotor blade 32 is twisted by a predetermined angle with respect to the direction of extension of the rotation center axis 31 and extends from the base to the free end, water and foreign matter is more reliably removed from the recess 36. May be discharged.

In the illustrated embodiment, the hook pieces 17 and 117, the shaft guide channels 15 ′ and 115 ′, and the drain pans 30 and 130 are described as being applied together, but are not necessarily the same. This can be used in combination.

1: floor 3: mounting space
5: Resting Group 7: Sewer Pipe
9: drainage path 10: trap body
12: drainage 14: inlet
15: Reverse flow interrupter 15 ': Shaft guide channel
16: outlet 17: hanger
18: shielding drainage plate 20: first close contact surface
22: second close contact surface 24: retreat surface
26: separation passage 30: drain pan
32: rotary blade 33: close contact
34: concave portion 36: convex portion
38: wing tip 110: trap body
112: drain 114: inlet
115: reverse flow blocking section 115 ': shaft guide channel
116: exit 117: hanger
120: first close contact surface

Claims (11)

An internal drainage passage includes an inlet part, a flat body and a first contact inner surface facing each other and a curved surface, and a trap body in which an inner flow is formed in a second contact inner surface facing each other, and an outlet part is formed in turn.
It is installed in the reverse flow blocking portion of the trap body to transfer the water to the outlet of the drainage while preventing the backflow of the gas through the drainage while rotating by the entry of water, the free end at the base connected to the rotational center axis and the rotational center axis Extends with a predetermined radius of curvature, a plurality of rotary blades having a concave portion formed on one surface thereof and a convex portion formed on the opposite surface thereof, and provided at free ends of the rotary blades to be in close contact with a second intimate inner surface of the countercurrent blocking portion. Drain pan including close contact piece,
A hook piece provided along the outer edge of the inlet of the trap body and seated at a seating end at the inlet edge of the installation space formed at the bottom;
The contact piece is formed in a curved surface to be in close contact with the second contact inner surface in the shape of a square plate, both ends of the width direction of the rotary blade is in close contact with the first contact inner surface,
An odor preventing drain trap formed on the inner surface of the trap body is formed by extending the inner side of the drain channel starting from the inlet side of the trap body, the shaft guide channel is rotatably hooked to one end of the center of rotation of the drain pan.
delete delete The odor preventing drain trap according to claim 1, wherein the rotary blade extends from the base portion toward the free end in a state in which the rotary blade is twisted by a predetermined angle with respect to the extension direction of the rotation center axis.
According to claim 4, wherein the wing width end portions on both sides in the width direction of the rotary blade is in close contact with the inner surface of the drainage passage of the trap body, the width between the wing width end portions is constant, the rotation at both ends relative to the center of rotation axis The close contact portion of the wing is at least a portion of the odor prevention drain trap that is in close contact with the second contact inner surface at the same time facing each other of the drainage.


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