KR20080001524U - A Drain trap for a washstand - Google Patents

Abstract

Disclosed is a drainage trap for a sink that opens and closes by pressing a pusher opening and closing device, and the drainage trap for the sink is coupled to the lower part of the pusher opening and closing device, and a plurality of strainer rods and a fastening member are integrally formed in the ring body. The filter spout formed on the inner circumferential surface and the stepped jaw fitted with the filter spout are formed stepwise on the inner circumferential surface of the cylindrical body vertically penetrating, and form a close contact portion supported on the wash basin at the upper end of the cylindrical body, and form a screw portion on the lower portion of the cylindrical body. Is fastened to the drain pipe and the screw portion is configured to include a fixing nut for fixing the drain pipe to the sink.

The sink drain trap for the sink improves productivity by reducing the labor of manufacturing the product, and reduces the manufacturing cost by reducing the components. In addition, the internal structure is very easy and convenient to clean, and the stopper between drainage traps keeps the basin completely open and open.

Pushing switchgear, Filter hole, Stop link fixing part, Locking nut

Description

A drain trap for a washstand

1 is a front view of a conventional drain trap,

2 is a cross-sectional view of a conventional drain trap is installed on the floor,

Figure 3 is a cross-sectional view showing a conventional pressure-lock device of the drain trap;

Figure 4 is a perspective view of the drain trap for the subject innovation sink,

Figure 5 is an exploded perspective view of the drain trap for the present design,

6 is a cross-sectional view taken along the line A-A of FIG.

Figure 7 is an exploded perspective view showing the push-opening and closing device of the drain trap for the present invention design

Figure 8a is a cross-sectional view of the plug open state during the operation of the drain trap for the subject innovation design,

Figure 8b is a cross-sectional view of the plug closed state during operation of the drain trap for the subject innovation design,

Figure 9 is an exemplary view of a state installed drain trap for the subject innovation design.

※ Explanation of code for main part of drawing

10: stopper, 12: packing, 20: push switchgear,

20a: Locking nut, 21: Body, 21a: Threaded part,

21b: insertion hole, 22: stop link fixing, 22a: hanger groove,

23: ring, 24: pressing member, 24a: stopper groove,

25: stopper, 26: spring, 27: stop link,

28: thread portion, 29: guide groove, 29a: upper stop portion,

29b: lower stop, 29c: first groove, 29d: second groove,

30: hook hole, 32: fastening member, 33: fastening hole,

34: bar, 35: drain hole, 36: ring body,

40: drain pipe, 42: close contact, 42a: packing,

43: drain hole, 44: cylindrical body, 44a: screw portion,

46: stepped, 48: sealing member, 50: fixing nut,

50a: triangular packing, 52: wing, 54: body,

60: sewer pipe, 70: wash basin, 80: drain hole

The present invention relates to a drain trap, and more particularly, to a drain trap for sinks including a push-opening and closing device coupled to the stopper.

In general, it is used as a device for holding or draining water in a wash basin or bathtub, and various kinds of drain traps are used to filter foreign substances in the sewage and block odors flowing back from the drain pipe.

Such a trap is registered to allow the user to conveniently close and open the drain cap while providing a convenience to the user while preventing the clogging of the drain pipe by blocking foreign substances in the sewage drained in the conventional drain trap. It is proposed by Utility Model Publication No. 20-0405339 (registration number).

In the accompanying drawings, Figure 1 is a front view of a conventional drain trap, Figure 2 is a cross-sectional view of a conventional drain trap installed on the floor, Figure 3 is a cross-sectional view showing a conventional pressure-drain opening and closing device of the drain trap.

As shown in Figures 1 and 2 and 3, the drain trap is a cylindrical trap body 100 that is vertically penetrated, the push-opening and closing device 200 accommodated in the trap body 100, and Is connected to the push-opening and closing device 200 consists of a stopper 300 for opening and closing the opening of the upper trap body 100.

The trap main body 100 has an upper flange 112 having a larger diameter while forming the same center at the upper end of the screw cylinder 110 made of a cylindrical body, and a lower flange having a smaller diameter than the screw cylinder 110 at the lower end. 116 is formed, and the lower flange 116 and the screw cylinder 110 are connected by two support parts 114 forming a belt shape.

In addition, the center of the lower flange 116 vertically penetrates the hole and a thread 118 is formed on the inner surface of the hole.

The push-opening and closing device 200 is formed integrally with the cylindrical body 201 and extends downward, and the threaded portion 201a coupled to the thread 118 of the lower flange 116 is below the lower flange 116. The stop link fixing part 202 extends downwardly from the screw portion 201a and is eccentrically protruded.

In addition, a stopper 203 is installed on an upper portion of one side of the body 201 and corresponds to the stopper 203, and the stopper is elongated in the vertical direction so as to move up and down in a fixed and fixed state. The pressing member 210 having the groove 231 is inserted into the body 201.

The pressing member 210 has an operating rod 211 protruding from the upper portion, and has a heart-shaped guide groove 212 at the lower portion thereof, and the catching hole 140 having a plurality of filtering members 146 is inserted therein. The pipe 230 to be coupled is fitted to the outer circumferential surface of the operating rod 211.

In addition, the push-opening and closing device 200 is a spring 217 is installed so as to contact the bottom of the pressing member 210 in the interior of the body 201, fixed to the stop link fixing portion 202, the pressing member 210 Is connected to and provided with a stop link 220 for controlling the stop and stop of the pressing member (210).

The stopper 300 is connected to the push-opening and closing device 200 by coupling the lower end of the stopper 300 to the upper end of the pipe 230 to open and close the opening of the trap main body 100.

The conventional drain trap having the above configuration is drainage of water by opening and closing the stopper through the operation of the push-opening and closing device connected to the stopper, looking at the operation of the drain trap as follows.

In the conventional drain trap, the screw cylinder 110 is screwed to the threaded thread 302 formed on the upper inner circumferential surface of the drain pipe 301 and drained through the bottom surface 400 in a state where the stopper 300 is upwardly protruded and opened. The water that flows through the upper flange 112 and through the catch hole 140 flows into the interior of the screw cylinder 110 is drained to the bottom.

In the above state, by pressing the stopper 300, the pipe 230 and the operating rod 211 is pressed. Subsequently, the pressing member 210 integrally connected with the operating rod 211 is pressed to contact the lower end of the pressing member 210 and the spring 217 installed in the body 201 is compressed.

In the conventional drain trap, the push-opening and closing device is moved to the position of the stop link 220 by the lowering and rising of the guide groove 212, the stop link 220 is the lower stop 216 and the upper stop portion. A guide jaw (not shown) is formed at 215 to adjust the depth of the groove and passes through the first groove 213, the upper stop 215, and the second groove 214 at the lower stop 216. The position is changed only in one direction of the path to return to the lower stop 216 again.

Therefore, when the stopper 300 is pressed, the guide groove 212 descends along the pressing member 210 so that the stop link 220 is the first groove 213 from the lower stop portion 216 to the upper stop portion 215. The position is moved along the guide groove 212 is raised by the elastic restoring force of the compressed spring 217 upon release of the stopper 300, the stop link 220 is caught in the upper stop 215.

The stopper 300 pressed in this way closes the drain pipe 301 by blocking the opening of the trap main body 100.

In addition, when the stopper 300 is pressed in the above state, as the guide groove 212 descends, the stop link 220 is moved to the inlet of the second groove 214 and the compression stops when the stopper 300 is released. As the guide groove 212 is raised by the elastic restoring force of the spring 217, the stop link 220 is caught by the lower stop part 216 to return to the original state where the stopper 300 is opened.

Such a conventional drain trap has the advantage of providing convenience to the user by conveniently closing and opening the drain cap.

However, the conventional drain trap having the above-described configuration is more complicated in manufacturing process than the simple cylindrical body which vertically penetrates in the structure of the trap main body. The cost is increased.

In addition, there is an inconvenience in that a foreign material is caught in the lower part of the trap main body or the trap main body is separated from the trap main body when the trap main body is cleaned.

That is, if foreign matter gets caught between the two support parts and the trap main body connected to the lower flange, it is necessary to remove the foreign matter by removing the stopper, and even if removing the stopper, it is limited to remove the foreign matter stuck to the lower part of the trap main body by screwing. It is inconvenient to remove the push switch.

In addition, since the trap main body can be cleaned to clean the inside of the trap main body, it is inconvenient to separate the trap main body which is screwed together.

In addition, the screw portion formed on the lower portion of the push-opening and closing device and the lower flange of the trap main body are screwed together so that a stopper may not be completely closed on the trap main body due to the deviation occurring between fastening or use, and a gap is formed. Whenever a deviation occurs, a problem arises in that the screw of the push switch is adjusted.

Therefore, the present invention is designed to solve the above problems, and when the stopper is pulled out, the trap is pulled out at the same time to provide a drain trap for the sink is very convenient to remove or clean the foreign matter caught in the trap.

In addition, the purpose of the present invention is to provide a drain trap for a sink, in which the manufacturing process is simple and productivity is improved by removing the trap body.

It is also an object of the present invention to provide a drainage trap for sinks that prevents the plug from opening when the plug is closed on the drain pipe by eliminating the deviation caused by the fastening and closing portion of the screw and the catch hole of the pusher.

Wash basin drain trap of the present invention for achieving the above object is coupled to the lower portion of the push-opening and closing device and a plurality of trapping rods and fastening members integrally formed on the inner circumferential surface of the ring body, and the trap is snug It is formed on the inner circumferential surface of the vertically penetrating cylindrical body, and forms a close contact portion supported on the wash basin at the upper end of the cylindrical body, the drain pipe forming a screw portion in the lower portion of the cylindrical body and the fastening to the screw portion fixed to fix the drain pipe to the sink It is achieved by providing a drain trap for a sink comprising a nut.

In addition, the wash basin drain trap of the present invention preferably further comprises a locking nut for fastening the push-opening and closing device and the catching mouth by integrally fastening the screw portion and the catching hole formed in the lower portion of the push-opening and closing device.

In addition, the drain pipe of the drain trap for the sink according to the present invention is preferably formed with a sealing member having an adhesive force is formed long in the longitudinal direction on one side of the screw portion of the lower cylindrical body.

Hereinafter, a preferred embodiment of the drain trap for the sink of the present invention will be described in detail based on the accompanying drawings.

Of the accompanying drawings, Figure 4 is a perspective view of the drain trap for the subject innovation sink.

As shown in FIG. 4, the sink drain trap according to the embodiment of the present invention penetrates vertically and has a cylindrical drain pipe 40 having a drain hole 43 on one side of an outer circumferential surface thereof, and an inner circumferential surface of the cylindrical drain pipe 40. Coupling spout 30 and the filter spout 30 to filter the foreign matter is coupled to the interference spout 30 and the push-opening and closing device 20 is operated up and down by the pressing operation, and the push-opening and closing device 20 is coupled to the drain pipe And a stopper 10 for opening and closing the opened upper portion of the 40 and a fixing nut 50 fastened to the threaded portion 44a of the lower portion of the drain pipe 40.

Looking at the components in detail as follows.

5 is an exploded perspective view of the drain trap for the vanity of the present invention, FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5, and FIG. 7 is an exploded perspective view showing the push-opening and closing device of the drain trap for the vanity of the present invention.

As shown in Figure 5, the drain pipe 40 of the drain trap for the sink according to the embodiment of the present invention is provided with a pair of drain holes 43 showing a rectangular shape on one side and the other side of the outer circumferential surface and vertically penetrated The body 44, the close contact portion 42 is formed integrally extending to the upper end of the cylindrical body 44 and is supported by the wash basin, and the threaded portion 44a is formed along the lower outer peripheral surface of the cylindrical body 44 .

In addition, a sealing member 48 formed of a rubber and silicone material having an adhesive force is formed on one side of the threaded portion 44a in the longitudinal direction, and the sealing member 48 prevents the water from counting in a minute gap.

In addition, as shown in Figure 6, the drain pipe 40 is formed on the inner circumferential surface of the cylindrical body 44 stepped in the longitudinal direction step 46, the rubber packing 42a on the bottom surface of the contact portion 42 ) Is provided.

The trap opening 30 of the drain trap for a sink according to an embodiment of the present invention is composed of a circular ring body 36, a plurality of trapping rods 34 and a fastening member 32, and the trapping rod 34 is a ring body. It is integrally formed on the inner circumferential surface of 36, and the fastening member 32 forms a thread on the inner circumferential surface. In addition, a drain hole 35 is provided between the fastening member 32, the catching rod 34, and the ring body 36, and a fastening hole 33 is provided inside the fastening member 32.

And, the push-opening and closing device 20 of the drain trap for the sink according to an embodiment of the present invention, as shown in Figure 7, the cylindrical body 21 having an insertion hole 21b on one side of the outer peripheral surface is one side A stop link fixing part 22 having a threaded portion 21a at the end and having a hook groove 22a at the center thereof protrudes downward from the threaded portion 21a of the body 21 integrally with the body 21. do.

In addition, one end of the rod-shaped stop link 27 in which the both ends are bent in one direction is caught by the hook groove 22a of the stop link fixing portion 22, and the spring 26 is inserted into the body 21. And a pressing member 24 having a heart-shaped guide groove 29 in contact with the other end of the stop link 27 and a stopper groove 24a formed in the longitudinal direction on one side of the outer circumferential surface thereof with the spring 26. It is inserted into the body 21 to be in contact.

In addition, at the upper end of the pressing member 24, a threaded portion 28 extending integrally with the pressing member 24 is formed to protrude, and the ring 23 is fitted to the stop link fixing portion 22 to fix the stop link 27. And a stopper 25 inserted into the insertion hole 21b of the body 21 and seated in the stopper groove 24a.

The stopper 10 of the drain trap for the sink according to the embodiment of the present invention forms a packing 12 of rubber material along the circumference of the stopper 10, and forms a fastening groove (not shown) in the center of the lower surface. .

The wash basin drain trap according to the embodiment of the present invention having the configuration as described above is integrally extended from the upper end of the pressing member 24 of the push-opening and closing device 20 in the fastening groove (not shown) of the stopper 10 ( 28 is coupled to the threaded portion (21a) formed in the lower portion of the body 21 of the push-opening and closing device 20 is inserted into the fastening hole 33 provided in the fastening member 32 of the catching hole 30 to lock the nut ( 20a) is integrally screwed together.

The stopper 10 and the push-opening and closing device 20 and the filter spout 30 coupled in this way are inserted into the inner circumferential surface of the cylindrical body 44 through which the filter spout 30 is vertically penetrated by the drainage pipe 40, thereby forcing the fitting. It is attached to the drain pipe 40 by doing so.

Fixing nut 50 according to an embodiment of the present invention is made of a body portion 54 and the wing portion 52 protruding outward from the upper portion of the body 54 to form a screw thread on the inner peripheral surface, fixing nut 50 A triangular packing 50a is provided around the opening.

In addition, the fixing nut 50 is fastened together with the wash basin to the threaded portion 44a formed on the cylindrical body 44 of the drain pipe 40 to fix the drain pipe 40 to the sink.

At this time, the triangular packing (50a) formed in the fixing nut 50 is in close contact between the sink and the drain pipe (40).

Next, look at on the basis of the accompanying drawings in detail the operating state of the drain trap for the present invention having the above configuration.

Of the accompanying drawings, Figure 8a is a cross-sectional view of the plug open state during the operation of the drain trap for the present invention.

In FIG. 8A, the drainage trap for the sink in the state in which the cap 10 is opened in the present invention, the drain pipe 40 is installed in the sink 70, the close-up portion 42 of the packing 42a Along with being supported on the wash basin and coupled to the push-opening and closing device 20 is fitted to the inner peripheral surface of the cylindrical body 44 of the drain pipe 40 is fitted.

In addition, the drain pipe 40 is inserted into the wash basin is fixed to the wash basin 70 by fastening the fixing nut 50 to the threaded portion (44a) of the drain pipe 40, and the remaining screw portion (fastening the fixing nut 50) The sewer pipe 60 is coupled to 44a).

In the wash basin drain trap of the present invention installed in the wash basin as described above, the water drained by opening the stopper 30 through the contact portion 40 of the drain pipe 40, the cylindrical body 44 of the drain pipe 40 ) Flows through the filter spout 30 and is discharged to the sewer pipe (60). At this time, the catcher 30 filters out foreign substances contained in the drained water.

In addition, in order to prevent the water from flowing when the water in the wash basin 70 as shown in Figure 9, the overflow water flows to a separate drain hole 80 provided in the sink 70 and drain holes Water flowing out from the 80 is discharged to the drain pipe 40 through the rectangular drain hole 43 formed on the outer peripheral surface of the cylindrical body 44 of the drain pipe 40.

As described above, the inside of the push-opening and closing device 20 in the state where the stopper 30 is opened, as shown in the conventional drain trap, the hook groove 22a of the stop link fixing part 22 is one side of the stop link 27. The other side of the stop link 27 is caught by the lower stop portion 29b in the state of being caught.

That is, the push-opening and closing device 20 is moved to the position of the stop link 27 by the lowering and rising of the guide groove 29, the stop link 27 is the lower stop (29b) and the upper stop ( A guide jaw (not shown) that protrudes by adjusting the depth of the groove is formed in 29a), so that the first groove 29c, the upper stop portion 29a, and the second groove 29d at the lower stop portion 29b, which are the first positions. The position is changed only in one direction of the path to return to the lower stop 29b after passing through).

Due to the characteristics of the push-opening and closing device 20, the stop link 27 is raised by the guide groove 29 in the drainage trap for the sink of the present invention in the open state 30 is the second groove (29d) After returning to the original position, it is caught by the lower stop portion 29b.

Of the accompanying drawings, Figure 8b is a cross-sectional view of the plug closed state during operation of the present invention drain trap.

In FIG. 8B, when the stopper 10 is pressed in the state of FIG. 7A, the pressing member 24 is pressed to contact the lower end of the pressing member 24, and the spring 26 is installed inside the body 21. Is compressed, the stop link 27 is moved along the first groove (29c) from the lower stop (29b) to the upper stop (29a) by the guide groove 29 of the pressing member 24 is lowered. do.

When the stop link 27 reaches the highest point of the first groove 29c, when the stopper 10 is released, the guide groove 29 is slightly raised by the elastic restoring force of the compressed spring 26 to stop. The link 27 is caught by the upper stop 29a.

The stopper 10 is pressed so as to block the opening of the cylindrical body 44 of the drain pipe 40. At this time, the stopper 10 is formed by the packing 12 formed around the stopper 10. Close contact with the opening without a gap prevents the water contained in the sink 70 from leaking into the drain pipe 40.

In addition, when the stopper 10 is pressed once more in the above state, the guide groove 29 is lowered so that the stop link 27 is moved to the highest point of the second groove 29d by the guide jaw (not shown). When the stopper 10 is released, the guide groove 29 is raised by the elastic restoring force of the compressed spring 26, and the stop link 27 is caught by the lower stopper 29b so that the stopper 10 is opened. Return to the original state.

As described above, the drain trap for the sink of the present invention is a structure in which the stopper 10 is forcibly fitted to the drain pipe 40 of the cylindrical body 44 vertically penetrated, and the stopper 10 is opened and closed. The shape of 40 is simple to simplify the manufacturing process when injection molding in the mold.

Then, when the stopper 10 is lifted in the stopper 30 coupled to the drainage pipe 40 by interference fit, the stopper 30 coupled with the push-opening and closing device 20 is separated from the drainage pipe 40. Foreign matter caught in the trap 30 can be easily removed.

In addition, a locking nut 20a for fastening the catching hole 30 integrally to the threaded portion 21a formed at the lower portion of the push-opening and closing device 20 is provided so that the stopper 10 is completely closed by the drain pipe 40. By fixing the screw portion 21a to the catcher 30, the deviation caused by the fastening portion of the screw 21a and the catcher 30 is eliminated.

The wash basin drain trap of the present invention having the above-described configuration has a simple shape of the drain pipe, thereby simplifying the manufacturing process and improving productivity.

In addition, the manufacturing cost is reduced by reducing components such as the trap body to reduce the manufacturing cost.

In addition, when the stopper is lifted, the trap is easily separated from the drain pipe, and foreign substances caught in the trap are easily removed, and the internal structure is very easy and convenient.

In addition, by eliminating the deviation caused by the fastening and closing part of the threaded portion and the fastener of the trap opening to improve the problem of water leakage when closing the stopper in the drain pipe, the stopper is completely closed and open the drain pipe during use of the drain trap. Keep it always

Claims (3)

In the drain trap which plug is opened and closed by pressing the pusher switch, A catching hole coupled to a lower portion of the push-opening and closing device, and a plurality of catching rods and fastening members integrally formed on an inner circumferential surface of the ring body; The stepped jaw is clamped to the inner circumferential surface of the cylindrical body vertically penetrated, and formed in the upper end of the cylindrical body to form a close contact portion supported by the wash basin, to form a screw portion in the lower portion of the cylindrical body drain; And The drain trap for the sink is fastened to the screw portion and including a fixing nut for fixing the drain pipe to the sink. The method of claim 1, And a locking nut for fastening the pusher opening and closing device and the catcher by integrally coupling the screw portion formed in the lower part of the pusher opening and closing device. The method of claim 1, The drain pipe is formed long in the longitudinal direction on one side of the threaded portion of the lower cylindrical body, the drain trap for sink, characterized in that it has a sealing member having an adhesive force.

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