KR20110014441A - Drain unit of sink - Google Patents

Abstract

PURPOSE: A sink drain unit is provided to enable an overflow hole on a bucket to be located in the same direction to the central axis of a connecting port on the drain tank since the drain tank can rotate several times by 360°. CONSTITUTION: A sink drain unit comprises a sink bucket(100), a coupling ring(110), a fixing flange(120), a drain tank(130), a packing(140) and an overflow pipe(150). The sink bucket comprises a drain outlet(101) and an overflow hole(102). Thread is formed on the outer circumferential surface of the coupling ring and a hanging protrusion is formed on the upper end of the coupling ring. The coupling ring is installed on the drain outlet. Thread is formed on the inner circumferential surface of the fixing flange. A first groove(121) and a second groove(122) are formed on the outer circumferential surface of the fixing flange. A protrusion is formed on the inner circumferential surface of the drain tank and a connecting port(132) is formed on its outer circumferential surface.

Description

Drain unit of sink

The present invention relates to a sink drainage unit configured to allow the sump to rotate more than 360 degrees so that the overflow hole formed in the bucket and the connection port formed in the sump can be located in the same direction.

In general, the sink is for cooking or washing dishes in the kitchen, and includes a bucket 10 and a drainage unit mounted to the bucket 10 as shown in FIG. 1.

The drainage unit serves to smoothly drain the filthy water that is thrown into the bucket 10 when washing dishes, and to filter food waste, and a drain box 20 attached to the bottom surface of the bucket 10; The coupling ring 22 coupled to the drain 20 in the upper surface of the bucket 10, the filter net 24 built in the drain 20, the odor inlet prevention device connected to the bottom of the drain 20 U-trap 26 and an overflow pipe 28 extending from the side of the bucket 10 to the sump 20.

According to such a drainage unit, wastewater generated by washing dishes and the like is discharged through the drain box 20, and food waste mixed with the wastewater is filtered by the filter net 24.

According to the odor inflow prevention device 26, the wastewater discharged from the drain container 20 remains in a certain amount therein, thereby blocking the odor gas flowing back from the sewer.

And, the overflow pipe 28, the upper end is connected to the side of the bucket 10 in the form of a corrugated pipe, the lower end is connected to the side of the drain box 20, according to which the sewage is excessive in the bucket 10 When overflowing to the sump (20) to prevent the overflow of the waste water from the bucket 10 to prevent the phenomenon.

In the related art, the mounting structure of the drain box includes a through-hole in which the coupling ring 22 disposed above the bucket 10 and the drain container 20 disposed below the bucket 10 are formed in the bucket 10. It is made in the manner of being screwed through, the packing ring 30 for preventing leakage is interposed between the drain box 20 and the bottom of the bucket 10.

On the other hand, when the drain container 20 is mounted to the screw to each other by relatively rotating the drain container 20 or the coupling ring 22, wherein the drain container 20 is the final coupling state with the coupling ring 22 In the preferred embodiment, the connection port 201 for connection with the overflow pipe 28 is directed toward the overflow pipe 28 installed in the bucket 10.

This is because the overflow pipe 28 in the process of connecting the drain pipe 20, the overflow pipe 28 and the overflow pipe 28 is possible to stretch slightly because of the nature of the corrugated pipe, but there is a limit to the amount of expansion This is because the connection is impossible if the distance from the connection port 201 of the drain container 20 is too far.

Therefore, in the related art, when the connection port 201 is incorrectly oriented in the state in which the sump 20 is finally combined with the coupling ring 22, and the connection with the overflow pipe 28 is difficult, the sump 20 and the coupling ring ( After disconnecting or loosening the connection of 22), it was troublesome to combine the coupling ring 22 and the drain container 20 again while adjusting the position of the connection port 201 by turning the drain container 20. .

In order to solve this problem, a drainage unit (registered patent 10-765947) of a sink including a rotary drain box has been devised.

In the drainage unit of the sink including the rotary drain container, the drain container is rotatably installed on the fixing flange, the vertical locking piece is formed on the fixed flange, and the inner locking piece is disposed on the vertical locking piece and the horizontal line in the drain container. It is formed so that the fixing flange is interlocked when the water tank rotates and the fixing flange is installed in the bucket.

However, in such a configuration, it is impossible to rotate more than 360 degrees of the sump, and when the connection port provided in the sump is located within this impossible turning radius, the problem arises in that the overflow pipe is bent and installed.

In addition, when the size of the vertical locking piece is small, there is a problem that the vertical locking piece is damaged when the fixing flange is installed on the bucket, and if the size of the vertical locking piece is large, the rotation radius of the drain box is reduced.

The present invention is proposed to solve the above problems according to the prior art, the drain pipe and the fixing flange is rotated together by the second groove and the projection is installed in the bucket, the drain by the first groove and the projection 360 It is an object of the present invention to provide a sink drainage unit configured to be rotatable many times and to allow the overflow hole formed in the bucket and the central axis of the connection port formed in the drain box to be located in the same direction.

Sink drain unit according to the present invention for achieving the above object is a sink bucket formed with a drain and overflow hole; Thread is formed on the outer periphery, the engaging ring is provided with a locking jaw at the top; A fixing flange provided with a screw thread to be engaged with the coupling ring on the inner circumference, and having a first groove formed on the outer circumference, and having a second groove to communicate with the first groove and to be positioned at an upper side thereof; A projection which is formed in the first groove or the second groove on the inner circumference, and a drain port having a connection port at one side of the outer circumference; A packing installed between the bucket and the fixing flange; And one end is connected to the overflow hole and the other end is overflow pipe connected to the connection port.

An o-ring is further provided between the fixed flange and the sump.

At least one second groove may be formed at a predetermined interval.

At least one protrusion is formed at a predetermined interval.

It characterized in that the inclined surface is provided on any one selected from the lower end of the fixed flange outer periphery or the upper end of the projection or the lower end of the fixed flange and the upper end of the projection.

The second groove is formed so as to accommodate the projection and is characterized in that it is formed to have a coupling tolerance.

The second groove is characterized in that the tapered surface is further provided on the lower side of both sides connected to the first groove.

An incision line having a shape of ">" or "⊃" is formed in the first groove, and a locking piece is provided, and the locking piece is formed to have a protrusion.

The sink drainage unit according to the present invention has a protrusion formed in the drain container so as to be transported in the first groove formed along the outer circumference of the fixed flange, and the drain container can be rotated several times over 360 degrees.

In addition, since the water container is rotated more than 360 degrees several times, it is possible to rotate the fixed flange after installation, so that the center axis of the connection port of the water bottle and the overflow hole of the bucket can be positioned in the same direction. .

In addition, since the center axis of the connection port of the sump and the overflow hole of the bucket are located in the same direction, there is no need to bend and deform the overflow pipe when installing the overflow pipe.

In addition, the projection is accommodated in the first groove has the effect of preventing the drain box is separated from the fixed flange by the drain pressure.

In addition, the second groove has the effect that the projection is accommodated and at the same time having a coupling tolerance does not rotate alone the drain.

In addition, the tapered surface is further provided in the second groove, so that the protrusion is easily received in the second groove.

In addition, at least one second groove and a protrusion are formed, so that pressure is dispersed during rotation of the drain container so that the protrusion is not easily broken.

In addition, the inclined surface is provided at any one selected from the lower end of the fixed flange outer periphery or the top of the protrusion or the lower end of the fixed flange outer periphery and the upper end of the protrusion has an effect of easily coupling the fixed flange and the drain.

In addition, the locking piece is provided has an effect that the water container is rotated in only one direction.

Hereinafter, a preferred embodiment of the sink drainage unit according to the present invention will be described with reference to the accompanying drawings.

1 is a view showing a conventional sink drain unit, Figure 2 is a view showing a state in which the sink drain unit is installed according to the invention, Figure 3 is a perspective view showing a part of Figure 2, Figure 4 is a part of Figure 2 5 is an enlarged view, FIG. 5 is a view showing a state in which the water bottle is rotated, FIG. 6 is a view showing a state in which the water bottle and the fixing flange are rotated together, and FIG. 7 is further provided with a tapered surface in the second groove. 8 is a view showing that the projections are formed at a predetermined interval, Figure 9 is a view showing that the second groove is formed at a predetermined interval, Figure 10 is a view showing that the locking piece is further provided, Figure 11 is a view showing a state in which the fixing flange with the engaging piece is coupled to the sump, Figure 12 is a view showing the operating state of the locking piece, Figure 13 is a schematic view showing a cross-section line AA of Figure 12, Figure 14 Is a view showing that the O-ring is further provided.

2 to 4, the sink drain unit according to the present invention has a sink bucket 100, a coupling ring 110, a fixing flange 120, a drain container 130, and a packing (). 140 and the overflow pipe 150.

The sink bucket 100 is provided with a receiving space, the drain hole 101 is formed in the center of the bottom surface, the overflow hole 102 is formed in the side wall.

The coupling ring 110 is formed with a passage hole through which water contained in the receiving space of the bucket 100 escapes, a thread is formed on the outer circumference thereof, and a locking jaw is provided at an upper end thereof and is installed in the drain hole 101. .

The fixing flange 120 is formed with a flow path hole for passing the water flowing through the coupling ring 110, the thread is provided to be coupled to the coupling ring on the upper inner circumference, the first along the outer circumference The groove 121 is formed, and the second groove 122 is provided to be in communication with the first groove 121 and positioned at the upper side of the first groove 121.

In addition, a circular wall 123 is formed to protrude from the inside of the upper surface such that the packing 140 to be described later may be located between the fixed flange 120 and the bucket 100.

The drain container 130 is formed with a passage hole for passing the water flowing through the fixing flange 120, the projection 131 accommodated in the first groove 121 or the second groove 122 in the inner circumference ) Is formed, the connection port 132 is provided on one side of the outer circumference.

As shown in FIG. 5, the drain container 130 is rotatable more than 360 degrees over the fixed flange 120 when the protrusion 131 is positioned in the first groove 121, and is shown in FIG. 6. As described above, when the protrusion 131 is located in the second groove 122 and the worker rotates the drain container 130, the drain container 130 is rotated together with the fixed flange 120 to fix the flange 120. By screwing the coupling ring 110 and the fixing flange 120 is fixed to the bucket 100 to be installed.

On the other hand, as shown in Figure 4, it is provided that the inclined surface (T) at the bottom of the outer circumference of the fixed flange 120 so that it can be easily coupled when the fixed flange 120 and the sump (130) good.

In addition, an inclined surface may be provided at an upper end of the protrusion 131 or an outer circumferential lower end of the fixing flange 120 and an upper end of the protrusion 131.

In addition, the projection 131 is accommodated in the second groove 122 and at the same time having a coupling tolerance, the fixing flange 120 also immediately interlocks when rotating the drain container 130, as shown in Figure 7, The second grooves 122 may be provided with a tapered surface 122a at lower ends of both sides connected to the first grooves 121 so that the protrusions 131 may be easily accommodated.

Meanwhile, as shown in FIG. 8, at least one protrusion may be formed at a predetermined interval. As shown in FIG. 8, at least one protrusion 131 may be formed at a predetermined interval. It is good to be formed.

Preferably, the protrusions 131 and the second grooves 122 may be formed in the same number and at the same number.

10 to 13, an incision line having a shape of “>” or “⊃” is formed in the first groove 121 so that the engaging piece 121a is provided and the engaging piece 121a is provided. The protrusion 131 may be caught to allow the drain container 130 rotatably installed on the fixed flange to rotate in one direction.

On the other hand, as shown in Figure 14, the O-ring 160 is fixed flange 120 and the drain container 130 to prevent the water leak through the gap between the fixed flange 120 and the drain container 130 It is better to be provided in between.

The packing 140 is installed such that the wall 123 formed on the fixing flange 120 is in contact with the inside of the fixing flange 120, and is installed between the bucket 100 and the fixing flange 120.

The packing 140 has a flat surface when the upper surface and the contact area of the fixed flange 120 is seated is formed flat, the upper surface in contact with the bucket 100 is preferably formed in an arc shape so as to be pressed well.

The overflow pipe 150 is one end is connected to the overflow hole 102 and the other end is connected to the connection port 132 to automatically drain the water when a certain amount of water is filled in the receiving space of the bucket 100.

Briefly explaining the installation state of the sink drain unit according to the present invention as follows.

First, after placing the coupling ring 110 in the drain hole 101 of the bucket 100, the fixing flange 120 and the drain container 130 are combined.

Then, the protrusion 131 formed on the inner circumference of the drain 130 is located in the first groove 121 formed on the outer circumference of the fixed flange 120.

Then, the packing 140 is positioned using the wall 123 formed on the upper surface of the fixing flange 120.

Subsequently, the fixing flange 120 and the drain container 130 are gripped, respectively, and then the fixing flange 120 or the drain container 130 is operated to move the protrusion 131 located in the first groove 121 to the second groove ( Go to 122).

Then, when the water reservoir 130 is rotated, the fixing flange 120 is also rotated in conjunction with this, so that the fixing flange 120 is screwed to the coupling ring 110 is fixed to the bucket 100 is installed .

At this time, the packing 140 is in contact with the bucket 100 to maintain the watertight.

Then, when the gripping of the drain container 130 is released for a while, the drain container 130 falls by its own weight, and thus the protrusion 131 also moves from the second groove 122 to the first groove 121. .

Then, by rotating the drain container 130, the central axis of the connection port 132 provided in the drain container 130 and the overflow hole 102 formed in the bucket 100 are the same.

And the overflow piping 150 is provided.

1 is a view showing a conventional sink drain unit,

Figure 2 is a view showing a state in which the sink drain unit is installed in accordance with the present invention,

3 is a perspective view of a part of FIG. 2;

4 is an enlarged view of a portion of FIG. 2;

5 is a view showing a state in which the drain container is rotated,

6 is a view showing a state in which the drain container and the fixed flange is rotated together,

7 is a view showing that the tapered surface is further provided in the second groove,

8 is a view showing that the projections are formed at a predetermined interval,

9 is a view showing that the second groove is formed at a predetermined interval,

10 is a view showing that the locking piece is further provided,

11 is a view showing a state in which a fixing flange provided with a locking piece is coupled with a drain box,

12 is a view showing an operating state of the engaging piece,

FIG. 13 is a schematic view showing a cross section taken along the line A-A of FIG. 12;

14 is a view showing that the O-ring is further provided.

Explanation of symbols on the main parts of the drawings

100: bucket 101: drain

102: overflow hole 110: coupling ring

120: fixed flange 121: first groove

122: second groove 123: wall

130: drain container 131: projection

132 connection port 140 packing

150: overflow piping

Claims (9)

Sink buckets formed with drains and overflow holes; Thread is formed on the outer periphery, the engaging ring is provided with a locking jaw at the top; A fixing flange provided with a screw thread to be engaged with the coupling ring on the inner circumference, and having a first groove formed on the outer circumference, and having a second groove to communicate with the first groove and to be positioned at an upper side thereof; A projection which is formed in the first groove or the second groove on the inner circumference, and a drain port having a connection port at one side of the outer circumference; A packing installed between the bucket and the fixing flange; And One end is connected to the overflow hole and the other end is overflow pipe connected to the connection port; sink sink unit comprising a. The method according to claim 1, Sink drain unit, characterized in that the O-ring is further provided between the fixed flange and the drain. The method according to claim 1, Sink drain unit, characterized in that the at least one second groove is formed at a predetermined interval. The method according to claim 1, The protrusion drainage unit, characterized in that formed at least one at a predetermined interval. The method according to claim 1, Sink drain unit, characterized in that the inclined surface is provided on any one selected from the lower end of the fixed flange outer periphery or the upper end of the projection or the lower end of the fixed flange and the upper end of the projection. The method according to claim 1, The second groove is a sink drain unit, characterized in that the protrusion is formed so as to be accommodated and formed to have a coupling tolerance. The method according to claim 1, The second groove is a sink drain unit, characterized in that the tapered surface is further provided on both side lower ends connected to the first groove. The method according to claim 1, Sink drain unit is formed in the first groove is formed with a cutting line of ">" or "⊃" shape is provided with a hook, the hook is caught in the projection is rotated in one direction. The method according to claim 1, The packing is a bottom surface is formed flat, the sink drain unit, characterized in that the upper surface is formed in an arc shape.

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