KR20170045675A - Opening and closing device for the sink drain with an anti-theft feature - Google Patents

Abstract

The gripping portion is formed so as to be rotatable on the upper surface so as to prevent theft while being easily opened and closed with a simple structure to remove the collected foreign substances, An opening / closing cap having a hermetic packing which is hermetically coupled to the drain hole; A coupling rod which is located on the bottom surface of the opening / closing cap and is fastened together with a strainer which is located inside the drain hole and is filtered with foreign substances introduced therein; An elevating portion provided at a lower portion of the strainer and at a lower portion of an inner side of a drain pipe at a position corresponding thereto to open and close the drain port while being lifted and lowered by rotating the opening and closing cap; And an anti-theft unit extending downward from a bottom surface of the fastening rod so that the strainer and the fastening rod are not separated from the drain port of the drain pipe.
Accordingly, it is easy to assemble, and it is convenient to use, and it is possible to quickly and conveniently perform the removal of the foreign matter in a short time without inconvenience or inconvenience, and at the same time, it is possible to maintain a clean and clean state at all times , And the economic loss due to the theft prevention can be minimized.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an opening and closing device for a sink,

More particularly, the present invention relates to a drain opening and closing apparatus having a stolen-proof function, and more particularly, to a drain opening / closing apparatus having a stowage prevention function, And also to an apparatus for opening and closing a drain port for a washstand having an anti-theft function so as to prevent theft at the same time.

Generally, a wash basin installed in a bathroom such as a home, a large mart or a department store, or a toilet in particular, is designed to be able to receive a certain amount of water, and is provided with a water supply device for supplying water to the washstand, A drainage device is installed.

In this way, the conventional drainage device used in the washstand is divided into a push-button drainage device and a lever-type drainage device, depending on the operation mode.

The electronic push button type drainage device is a method of opening and closing the drainage port by pressing the spring with the drainage trap that opens and closes the drainage port. The latter lever type drainage device is provided with a drainage plug provided at the drainage port, It is the method of opening and closing the drain hole by pressing and pulling.

In the conventional push button type drainage device or lever type drainage device, the most important problem is that the user's hair and various foreign substances are accumulated in the drainage port during use, and the drainage pipe is clogged and the drainage is not performed frequently.

There has been an inconvenience in that it is necessary to perform troublesome and inconvenient work from time to time to remove foreign substances by inserting a spoon, a rod, or a wire to remove foreign substances from the drain pipe.

In order to solve the above-described problems, the prior art discloses a pop-up valve as a drain pipe as disclosed in Korean Registered Utility Model No. 20-0448972 (hereinafter referred to as "Patent Document 1") for removing foreign matters to a lever- So that it can be easily separated.

Also, as disclosed in Korean Utility Model Registration No. 20-0463052 (hereinafter referred to as "Patent Document 2"), there is provided a filter cap removably mounted on the upper end of the drain hole body to allow foreign matter to flow into the lower portion of the drain hole A technique has been proposed in which a foreign matter such as a hair hanging on the filter cap is easily removed through a filter cap which is detachably separated while blocking the filter.

In addition, when the plug is taken out as disclosed in Korean Registered Utility Model No. 20-0441759 (hereinafter referred to as "Patent Document 3") for the related prior art to filter out foreign matters to the conventional push button type drainage apparatus, A technique such as a drain trap for a wash basin, which is very convenient to remove or clean foreign matter caught in the urinals, has been proposed.

In addition, as disclosed in Korean Utility Model Registration No. 20-0368837 (hereinafter referred to as "Patent Document 4"), a detachable sieve mesh having pores formed before draining is formed so as to completely filter out small debris so that the U- There has been proposed a technique of easily separating the sieve from the drainage before the draining, and cleaning the drainage of the hair and the like easily before the draining again, thereby facilitating the cleaning before the drainage.

Meanwhile, as described above, in addition to the technology for removing foreign substances by being connected to the valve for opening and closing the drain pipe as in the above-described Patent Documents 1 to 3, Korean Registered Utility Model No. 20-0395213 (hereinafter referred to as Patent Document 5) A technique has been proposed in which a foreign matter can be filtered through a drain trap connected to a drain pipe as disclosed in Japanese Patent Application No. 10-0998167 (hereinafter referred to as "Patent Document 6").

In the case of an opening / closing apparatus provided in a bathroom where a large number of people move, such as a large-sized mart or a department store, the cap or the elevator bar of the opening / closing apparatus is often separated or taken away, There is a problem in that it is very troublesome to carry out and there is a problem of economic loss.

In order to solve such a problem, a conventional opening and closing device for preventing theft has been proposed. As disclosed in Korean Utility Model Publication No. 20-1985-0003764 (hereinafter referred to as Patent Document 7) A technique has been proposed in which a jaw is formed in the inside of a drain pipe of a washstand and a strong adhesive is applied to the inner tube or the outer tube so as to prevent the stolen accident from being fully taken out.

Also, as disclosed in Korean Patent Laid-Open No. 10-2012-0087579 (hereinafter, referred to as 'Patent Document 8'), the upper end of the first drain pipe is provided with a latching jaw to prevent the drain plug from being lost, A technique has been proposed in which a drain stopper is prevented from being caught by a jaw and thus prevented from being stolen or lost.

Korean Utility Model Registration No. 20-0448972 Korea Registered Utility Model No. 20-0463052 Korean Utility Model Registration No. 20-0441759 Korea Registered Utility Model No. 20-0368837 Korean Registered Utility Model No. 20-0395213 Korean Patent No. 10-0998167 Korean Utility Model Publication No. 20-1985-0003764 Korean Patent Publication No. 10-2012-0087579

However, Patent Documents 1 and 2 are provided in the lever-type drainage apparatus, which has a disadvantage that it is cumbersome and inconvenient to perform additional work for removing foreign substances in the drain pipe even after removing the pop-up valve.

Patent Documents 3 to 4 are disadvantageous in that the structure of the push-button type drainage device is complicated and the removal of the foreign matter caught in the drain hole of the patent document 3 is cumbersome and inconvenient. On the other hand, Patent Document 4 is disadvantageous in that separation and detachment are cumbersome and inconvenient It is disadvantageous in that the foreign matter can not be efficiently removed.

Patent Documents 3 to 4 also have the disadvantage that elasticity of the spring is lowered in a short time due to the nature of the push-button type drainage apparatus, which often comes into contact with water.

In addition, Patent Documents 5 to 6 have an additional structure for removing foreign substances separately from the drainage apparatus, which is disadvantageous in that it is further complicated to install and requires additional cost.

Patent Documents 7 to 8 have an advantage that it is possible to prevent the drain cap from being stolen, but it has a disadvantage in that it can not effectively remove the foreign matter accumulated in the drain hole.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide an apparatus and a method for operating the apparatus, which are capable of stably opening and closing the apparatus while being lifted and lowered by rotation, And to provide a drain opening / closing apparatus for a washstand having a theft prevention function so as to prevent theft at the same time.

Another object of the present invention is to provide a method for filtering foreign matters and closing the drain port more closely.

Another object of the present invention is to prevent theft and to remove foreign matter without inconvenience.

According to an aspect of the present invention, there is provided an opening / closing device for preventing aft from opening and closing a drain port of a drain pipe coupled to a sink, And an opening / closing cap provided on the bottom surface thereof with an airtight packing which is hermetically coupled to the drain port; A coupling rod which is located on the bottom surface of the opening / closing cap and is fastened together with a strainer which is located inside the drain hole and is filtered with foreign substances introduced therein; An elevating portion provided at a lower portion of the strainer and at a lower portion of an inner side of a drain pipe at a position corresponding thereto to open and close the drain port while being lifted and lowered by rotating the opening and closing cap; And an anti-theft part extending downward from a bottom surface of the fastening rod, the strainer and the fastening rod being not separated from the drain port of the drain pipe.

The elevating portion includes a plurality of elevating jaws formed on an outer surface of the strainer so as to be symmetrical with respect to a downward direction and a plurality of elevating and lowering grooves provided on the inner surface of the water discharging pipe in a corresponding manner to be inserted when the elevating jaw portion is lowered. And a support protrusion formed between the lift groove portion and the lift groove portion such that the bottom surface of the lift protrusion is supported after the lift portion is raised.

A dusting ring is interposed between the bottom of the drain pipe and the upper end of the connecting pipe, and a magnetic body is provided at the center of the dusting ring to attach the bottom surface of the coupling rod by magnetic force.

The anti-theft portion includes a connecting portion that is coupled to a bottom surface of the fastening rod and is fastened to a bottom surface of the fastening rod through a magnetic body of the filtering ring, a detachment preventing portion that is engaged with the connecting portion and the upper end of the fastening rod, And a support rod.

The present invention is not limited to the above-described embodiments, and it is to be understood that the present invention is not limited to the disclosed embodiments, Of course, it is convenient and easy to use, and it is possible to quickly and conveniently perform the removal of foreign matter in a short period of time without inconvenience or inconvenience. In addition, it is possible to maintain a clean and clean condition at all times, Can be minimized.

In addition, since the foreign matter is secondarily filtered and the closing of the drain port can be made more tightly, it is possible to prevent the drain pipe from being clogged and to secure high reliability according to the opening and closing of the drain port of the drain pipe.

In addition, since the strainer rotates to the left and right, it is possible to prevent theft and to remove the foreign matter without inconvenience, so that the foreign matter can be efficiently removed.

1 is an exploded perspective view for explaining the present invention,
Figure 2 is a cross-sectional view of the combined state according to Figure 1,
3 is a sectional view for explaining a state in which a drain hole is opened and closed by the present invention,
4 is a cross-sectional view illustrating a state in which theft is prevented while removing foreign matter according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. The present invention is not limited to the embodiments.

FIG. 3 is a cross-sectional view for explaining a state in which a drain port is opened and closed by the present invention, and FIG. 4 is a cross- Fig. 5 is a sectional view for explaining a state in which theft is prevented while removing foreign matter by the invention.

As shown in the figure, a drain pipe (102) of a drain pipe (100) coupled and fixed by a washstand (not shown) including a connection pipe (110) The opening / closing device 1 will be described. At this time, the lower end of the connection pipe is connected to a common drain line.

The present invention is not only stably opened and closed while being raised and lowered by rotation, but also has excellent airtightness, and is easy to remove trapped foreign matter and prevent stolen.

The opening and closing apparatus 1 having the anti-theft function according to the present invention is provided with a grip portion 12 for allowing a user to easily grasp and rotate the upper surface thereof, An opening / closing cap (10) having a gas tight packing (14) and a washer (15); A fastening rod 20A which is located on the bottom of the opening and closing cap 10 and which is located inside the drain port 102 and is fastened together with the strainer 20, The elevator 30 is provided at the lower portion of the strainer 20 and at the lower portion of the inner surface of the drain pipe 100 at a position corresponding to the lower portion of the strainer 20 to open and close the drain port 102, ; And an anti-theft unit 20A extending downward from the bottom surface of the fastening rod 20A to prevent the strainer 20 and the fastening rod 20A from being detached from the drain port 102 of the drain pipe 100, (50).

The grip portion 12 formed on the opening and closing cap 10 is formed so as to protrude from the upper surface of the opening and closing cap 10 and can be easily grasped by the user. In addition, the grip portion may be formed in a shape of a conventional groove in the opening / closing cap instead of the protruding shape.

The strainer 20 has a plurality of vertical bars formed at predetermined intervals such that the upper portion thereof is opened and the water is drained while the foreign matters are filtered, and the insertion holes 21 into which the fastening rods 20A are inserted are formed on the bottom surface thereof. At this time, the fastening rod 20A and the insertion hole 21 are formed in a polygonal shape corresponding to each other, that is, a polygon having a square shape or a hexagonal shape or more, so that the strainer 20 is not rotated in a state where the fastening rod is inserted into the insertion hole desirable. In addition, the strainer may be formed in the form of a net in a side and a bottom.

Accordingly, as the user grasps and holds the grip portion of the opening / closing cap, the opening and closing cap is lifted by the elevating portion provided at a position corresponding to the lower portion of the strainer and the lower portion of the drain pipe, and water in the washstand is drained while opening the drain port. At this time, the strainer fastened by the opening and closing cap by the fastening rod is simultaneously lifted.

As a result, the water is drained through the strut while the water is drained, and various foreign substances such as hair contained in the water are filtered.

When the user desires to fill the sink with the water drained from the sink, the user rotates the door in the opposite direction to open the opening and closing cap, so that the lower portion of the strainer and the lower portion of the drain pipe As the opening / closing cap closes the upper drain port of the drain pipe while being lowered by the elevating part, the sink is filled with water. In addition, when the opening and closing cap is closed by the airtight packing provided on the bottom surface of the opening / closing cap, leakage is not generated due to high airtightness.

Accordingly, as the user rotates the opening and closing cap, the opening and closing cap and the strainer fastened to the opening and closing cap by the elevating and lowering mechanism are lifted and lowered to open and close the drain port of the drain pipe, thereby draining the water of the washstand without inconvenience It has convenience.

The elevating portion 30 includes a plurality of elevating jaw portions 34 formed with a pair of inclined surfaces 32 symmetrically downward on the outer surface of the strainer 20, A plurality of lifting and lowering grooves 36 provided in correspondence with the lifting and lowering grooves 36 and 34 to be inserted when the lifting grooves 36 are lowered and the lifting and lowering grooves 36 And a supporting jaw 38 formed to support the bottom surface thereof.

Accordingly, when the user moves the opening and closing cap, the elevating and lowering jaws formed on both sides of the strainer close the drain port of the drain pipe when inserted into the elevating groove formed in the inner surface of the drain pipe, So that the drain port of the drain pipe is opened. At this time, since both side surfaces of the lifting and lowering step are formed with inclined surfaces and the elevating and lowering grooves are also formed in corresponding shapes, when the user rotates the opening and closing cap, the user smoothly slides on the inclined surfaces corresponding to each other, Or supported by the supporting jaw portion.

In addition, the upper surface of the supporting jaw portion 38 is provided with a downwardly curved seating portion that can be seated so as not to be easily rotated by the water even in the course of draining the water to the drain hole of the drain pipe by raising the lifting jaw portion 34. [ It is preferable that grooves 38a are further formed. Accordingly, when the lifting and lowering unit is supported by the supporting unit, the user can be stably positioned without an artificial force to have a condition for smooth drainage.

As a result, the elevating and lowering portion is supported by the elevating groove portion formed on the inner side surface of the drain pipe formed on the strainer by the rotation of the user or by being supported by the supporting jaw portion, thereby making it possible to more stably perform the opening and closing of the drainage hole of the water pipe I have.

A filtering ring 40 is interposed between the bottom of the drain pipe 100 and the upper end of the connecting pipe 110 so as to secondarily filter foreign materials that have exited the strainer. The magnetic body 42 to which the bottom surface of the fastening rod 20A is attached by magnetic force is provided by a conventional screw fastening, welding or a joint ring 42A or the like. At this time, the clamping rod is made of a metal material, and the throwing ring 40 is provided inside the ring body 40a with a cross bar 40b at least one crossing point. The magnetic body 42 is formed with a through hole 42a passing through the center thereof and the magnetic body is preferably fixed by the dust ring 40 by a common joint ring 42A as shown in the figure.

The filter ring 40 is lifted up on the support tab 112 formed on the inner side surface of the connection pipe 110 and the drain pipe 100 is screwed to the connection pipe 110, The upper end of the filtering ring 40 is pressed and fixed.

As a result, the foreign matter that has passed through the strainer is filtered by the filtering ring so that foreign matter is secondarily filtered, thereby minimizing clogging.

Particularly, when the drain hole of the drain pipe is rotated by the magnetic body formed at the center of the filtering ring, the clamping rod, which is a metal material, is attracted by the magnetic force of the magnetic body so that the airtightness of the opening and closing cap is further increased. I have. And thus has the advantage of blocking the leakage originally. Further, even if the user rotates a little less when the user wishes to close, the pulling rod is pulled and attached by the magnetic force of the magnetic body, so that the closure of the drain hole can be accurately and stably performed. And also has the advantage of securing high reliability.

The theft preventing portion 50 is provided with a connecting portion 52 which penetrates the through hole 42a formed in the magnetic body 42 of the filtering ring 40 and is fastened to the bottom surface of the fastening rod 20A on the bottom surface of the fastening rod 20A, And a connecting portion 52 and an upper end thereof are rotatably coupled to each other by a pin or hinge coupling method and a lower portion of the connecting portion 52 is engaged with the folding ring 40 to form a separation preventing portion 54a in the form of a flange or ring And a support rod (54).

The connecting portion 52 () can be formed integrally with the connecting rod 20A at the time of manufacturing, and at the same time, the upper end is fastened to the connecting rod 20A by a conventional screw connection method .

The separation preventing portion 54a of the support rod 54 is formed to have a diameter larger than the diameter of the through hole 42a through which the fastening rod 20A is passed and is raised on the support jaw of the connection tube, By supporting the tightening rod as well as the strainer coupled thereto, the stolen can be prevented.

In order to prevent the foreign matter from being filtered and stolen by the strainer 20 according to the present invention, the opening and closing cap 10 is first rotated to open and drain the drain port 102 of the drain pipe 100, The strainer 20 fastened together with the fastening rod 20A is lifted up to the upper part of the drain port 102 of the drain pipe 100. At this time, the clamping rod 20A and the strainer 20 are supported by the support rod 54 of the anti-theft unit 50 provided below the clamping rod 20A so as not to be separated from the drainage port 102. [

When the strainer 20 is lifted up to the upper part of the drain port 102, the strainer 20 is rotated from the portion where the connection portion 52 and the support rod 54 are rotatably connected, So that the foreign matter caught by the strainer can be removed more easily. At this time, when the opening and closing cap is disassembled from the fastening rod, the strainer may be separately removed to remove the foreign matter caught therein.

Further, the tightening rod 20A and the strainer 20 are supported so as not to be detached from the drain port 102 of the drain pipe 100 by the theft preventing section 50, thereby also preventing the theft.

When the removal of the foreign matter caught by the strainer is completed as described above, the fastening rod and the strainer can be vertically aligned with the drain hole and can be easily returned to the original position.

Accordingly, it is possible to easily remove the foreign matter caught by the strainer, and to prevent the stolen by the stainer. Thus, the present invention has advantages of ease of use and minimization of economic loss due to theft prevention.

1: Switchgear
10: opening / closing cap 12:
14: Confidential packing 15: Washer
20: strainer 20A: fastening rod
21: insertion hole 30:
32: inclined surface 34:
36: lifting groove portion 38: supporting jaw
38a: seat groove 40: leather ring
40a: ring body 40b:
42: magnetic body 42a: through hole
50: Anti-theft section 52:
54: support rod 54a:
100: drain pipe 102: drain pipe
104: inflow hole 110: connector
112:

Claims (4)

The present invention relates to an opening / closing device for preventing theft of a drain pipe connected to and fixed to a sink via a connection pipe,
Wherein the opening / closing device comprises a grip portion for rotating the upper surface of the opening / closing device, and an opening / closing cap having a hermetic packing at the bottom of the opening / closing device,
A coupling rod which is located on the bottom surface of the opening / closing cap and is fastened together with a strainer which is located inside the drain hole and is filtered with foreign substances introduced therein;
An elevating portion provided at a lower portion of the strainer and at a lower portion of an inner side of a drain pipe at a position corresponding thereto to open and close the drain port while being lifted and lowered by rotating the opening and closing cap; And
And an anti-theft unit extending downward from a bottom surface of the fastening rod so that the strainer and the fastening rod are not separated from the drain port of the drain pipe. The method according to claim 1,
The elevating portion includes a plurality of elevating jaws formed on an outer surface of the strainer so as to be symmetrical with respect to a downward direction and a plurality of elevating and lowering grooves provided on the inner surface of the water discharging pipe in a corresponding manner to be inserted when the elevating jaw portion is lowered. And a support protrusion formed between the lifting and lowering groove portion and the lifting and lowering groove portion to support the bottom surface of the lifting and lowering portion after the lifting and lowering portion is lifted. The method according to claim 1,
Wherein a dusting ring is interposed between a bottom of the drain pipe and an upper end of the connecting pipe, and a magnetic body to which a bottom surface of the coupling rod is attached by a magnetic force is provided at the center of the filtering ring. Opening and closing device. The method of claim 3,
The anti-theft portion includes a connecting portion that is coupled to a bottom surface of the fastening rod and is fastened to a bottom surface of the fastening rod through a magnetic body of the filtering ring, a detachment preventing portion that is engaged with the connecting portion and the upper end of the fastening rod, And a support rod for guiding the opening of the drain port of the washstand.

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