KR100498668B1 - Water shut off device for water purifier - Google Patents

Abstract

The present invention provides a raw water blocking device for a water purifier. The blocking device of the present invention is a raw water blocking device of a water purifier configured to effectively block and allow raw water introduced during the exchange of a filter to a water purifier that filters introduced raw water through a filter, the raw water introduction passage and raw water A connector having a first connector port communicating with the introduction passage, the first connector port having a valve chamber; A valve body disposed in the valve chamber to move by the flow pressure of the raw water introduced into the valve chamber to close the first connector port; It has an inlet port, a filtering means, and an outlet port connected to the first connector port of the connector, and presses the valve body therein to open the first connector port by connecting the inlet port to the first connector port of the connector. And a filter further having a pusher. According to the present invention, when the filter is disconnected from the connector of the water purifier main body, the introduction of the raw water is automatically cut off, and when the filter is coupled to the connector, it is configured to automatically allow the flow of blocked raw water to replace the filter Make your work very easy. In addition, since the raw water can be cut off with a simple configuration and low installation cost, the manufacturing cost of the water purifier can be greatly reduced.

Description

WATER SHUT OFF DEVICE FOR WATER PURIFIER}

The present invention relates to a raw water cutoff device for a water purifier, and more particularly, to a raw water cutoff device for a water purifier configured to effectively cut off raw water introduced when a filter is replaced.

Due to water pollution, tap water supplied to each home or business has been difficult to drink as it is. As a result, households and businesses are purifying contaminated water with water suitable for drinking (hereinafter, abbreviated as "water"). It has a situation.

This water purifier is equipped with a plurality of filters for filtering raw water. The filter has a cylindrical case, a filtering element disposed in the case, an introduction port and a discharge port for introducing external raw water and discharging the introduced raw water. Such a filter filters the contaminated raw water into clean water by sequentially passing raw water introduced in series with each other by a connector.

On the other hand, such a water purifier needs to periodically replace the filter according to the degree of contamination of the filter. In the process of separating and replacing the filter from the connector, it is inconvenient to replace the filter while blocking the raw water introduced into the water purifier. There was a ham. If the filter is disconnected from the connector without blocking the introduction of raw water, raw water may leak from the connector. In addition, in order to cut off the raw water, an expensive electronic or manual shutoff valve must be provided, which increases the cost of purchasing an expensive shutoff valve.

Accordingly, the present invention has been made to solve the above problems, the object of which is to prevent the leakage of raw water from the connector by effectively blocking the introduced water when separating the filter from the connector of the water purifier to replace the filter It is to provide a raw water blocking device of the water purifier.

Another object of the present invention is to provide a raw water cutoff device of a water purifier configured to reduce the manufacturing cost of the water purifier by configuring to cut off the raw water with a simpler and more constitution and lower installation cost.

The present invention for achieving the object, in the raw water blocking device of the water purifier configured to effectively block and allow the raw water introduced during the exchange of the filter to the water purifier to filter the introduced raw water through the filter, A connector having an introduction passage and a first connector port communicating with the raw water introduction passage, wherein the first connector port has a valve chamber; A valve body disposed in the valve chamber to move by the flow pressure of the raw water introduced into the valve chamber to close the first connector port; An inlet port, a filtering means, and an outlet port connected to the first connector port of the connector, the first connector being pressed by pressing the valve body therein as the inlet port is connected to the first connector port of the connector; And a filter further having a pusher to open the port.

Best Mode for Carrying Out the Invention Preferred embodiments of the raw water blocking device of the water purifier according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a cross-sectional view showing the configuration of a raw water blocking device of a water purifier according to the present invention. According to this, the blocking device of the present invention has a connector 10 installed in the water purifier body 1 and a filter 30 detachably mounted to the connector 10. The connector 10 has a raw water introduction passage 12 for introducing raw water and a first connector port 14 communicating with the raw water introduction passage 12. The raw water introduction passage 12 is connected to an introduction pipe 3 connected to an external raw water supply source and configured to introduce raw water. The first connector port 14 is connected to the introduction port 32 of the filter 30, and serves to introduce raw water introduced into the raw water introduction passage 12 into the introduction port 32 of the filter 30. Done.

The connector 10 includes a second connector port 16 and a purified water discharge passage 18 communicating with the second connector port 16. The second connector port 16 is connected to the discharge port 34 of the filter 30 and introduces purified water discharged from the discharge port 34 of the filter 30. The purified water discharge passage 18 serves to discharge purified water introduced into the second connector port 16. In particular, the purified water discharge passage 18 is configured to introduce the purified water discharged in communication with the raw water introduction passage 12 of the other adjacent connector 10 to the other adjacent connector 10.

On the other hand, a valve chamber 14a is formed in the first connector port 14 of the connector 10, and a valve seat 14b is formed in the valve chamber 14a. In particular, the valve seat 14b is made of an O-ring made of rubber material, which is configured to be mounted to the first connector port 14 by a retainer 14c. On the other hand, the valve body 20 is arrange | positioned in the valve chamber 14a. The valve body 20 is a spherical ball, which is seated on the valve seat 14b by the pressure of the raw water introduced into the valve chamber 14a along the raw water introduction passage 12 and the first connector port 14. Is configured to selectively close. That is, configured to operate a conventional check valve.

The valve body 20 is introduced into the valve seat 14b when the filter 30 is separated from the connector 10 to replace the filter 30 by blocking the first connector port 14. It will naturally block the enemy. In particular, by naturally blocking the introduction of raw water to reduce the inconvenience of blocking the introduction of raw water by operating a separate shutoff valve before replacing the filter 30 as in the prior art. On the other hand, the valve body 20 should be arranged to be movable in the valve chamber 14a. In particular, it should be spaced apart from the inner wall of the valve chamber 14a. This is to allow the raw water introduced into the valve chamber 14a to be discharged to the first connector port 14 when the valve body 14a is spaced apart from the valve seat 14b. To this end, a plurality of distribution grooves 14d are formed at equal intervals on the inner wall circumferential surface of the valve chamber 14a as shown in FIG. 2.

Referring again to FIG. 1, the blocking device of the present invention has a filter 30. The filter 30 is provided with a filtering element (not shown) to filter the introduced raw water, and has an inlet port 32 and a discharge port 34. The introduction port 32 is connected to the first connector port 14 of the connector 10 to introduce the raw water discharged from the first connector port 14 into the inside. The discharge port 34 is connected to the second connector port 16 of the connector 10 and serves to discharge the filtered purified water to the second connector port 16.

On the other hand, the introduction port 32 of the filter 30 has a pusher 32a protruding outward. The pusher 32a is inserted into the first connector port 14 as the inlet port 32 of the filter 30 is inserted into and connected to the first connector port 14 of the connector 10 so as to be connected to the first connector port 14. It is configured to pressurize the valve body 20 of ().

The pusher 32a serves to open the first connector port 14 by pressing the valve body 20 of the first connector port 14 to separate the valve body 20 from the valve seat 14b. Will be In particular, by installing the filter 30 in the connector 10 and opening the first connector port 14 of the connector 10, the introduced raw water is introduced into the filter 30 without performing a separate valve operation. To make it possible. Here, the pusher 32a is configured to be much smaller than the diameter of the first connector port 14, and is configured to be supported by the introduction port 32 by the plurality of ribs 32b as shown in FIG. .

According to the present invention, the filter 30 is configured to close the first connector port 14 of the connector 10 in the same manner as in a conventional check valve. When it is separated from the connector 10, it is possible to naturally block the raw water introduced. Further, when the pusher 32a of the filter 30 is configured to pressurize the valve body 20 to open the first connector port 14, when the filter 30 is coupled to the connector 10, The first connector port 14 of the connector 10 is to be opened naturally.

As a result, the present invention, the raw water introduced automatically in the process of separating the filter 30 from the connector 10 to replace the filter 30, and then coupling the new filter 30 to the connector 10 By blocking and automatically configured to allow the flow of blocked water to make the replacement of the filter 30 very convenient.

On the other hand, the connector 10 of the present invention is fixed to the water purifier body 1 in a state rotatably supported on both support brackets 5 around the pivot shaft 10a as shown in FIG. As such, the connector 10 rotatably installed on the support bracket 5 around the pivot shaft 10a has a "filter use position" (A) and a "filter" with respect to the water purifier body 1 as shown in FIG. It is possible to rotate between the exchange positions " " (B), thereby making the exchange of the filter 30 very easy.

Next, other embodiments of the present invention are shown in FIGS. 5, 6 and 7. First, another embodiment in FIG. 5 has a feature in which the valve body 20 for closing the first connector port 14 of the connector 10 is configured as a poppet. The poppet 20 has a tapered poppet face 22 so as to be in contact with the valve seat 14b, and a protruding rod 24 protruding outward from the end through the first connector port 14. Here, the poppet face 22 serves to close the first connector port 14 in close contact with the circumference of the valve seat 14b. The protruding rod 24 is configured to be pressed by the pusher 32a of the filter 30. In particular, the protruding rod 24 is pressed by the pusher 32a to allow the poppet 20 seated on the valve seat 14b to be spaced apart from the valve seat 14b, thereby providing a first connector port 14. ) Can be opened.

Another embodiment of such a configuration is to close the first connector port 14 by maximally increasing the contact area with the valve seat 14b by configuring the valve body 20 for closing the first connector port 14 as a poppet. It has the characteristic of improving efficiency. On the other hand, when the valve body 20 is formed by a poppet, the rubber O-ring 14b may not be configured by the valve seat 14b. Since the poppet face 22 of the poppet 20 is in contact with the valve seat 14b with a wider contact area, the first connector port 14 does not have to constitute the valve seat 14b with the O-ring 14b made of rubber material. Because it can close enough. At this time, if the poppet 20 is made of a material having a predetermined elasticity, for example, a soft plastic, a soft metal, or the like, the closing efficiency of the first connector port 14 may be further enhanced. Of course, when the poppet 20 is made of a flexible material, there is no need for a separate airtight material, that is, an O-ring 14b of rubber material. In addition, when the valve body 20 is comprised by a poppet, you may shorten the pusher 32a of the filter 30 for pressurizing the protrusion 24 of the poppet 20. As shown in FIG. This is because the protrusions 24 of the poppet 20 protrude outwards through the first connector port 14 so that the protrusions 24 can be sufficiently pressed even if the length of the pusher 32a is shortened. to be.

Meanwhile, referring to another embodiment of FIG. 6, another embodiment forms a valve chamber 16a having a valve seat 16b in the second connector port 16 of the connector 10, and the valve chamber is formed. The valve body 40 for closing the second connector port 16 is disposed in the 16a, and the valve body 40 is also provided in the discharge port 34 of the filter 30 connected to the second connector port 16. Has a configuration in which a pusher 34a for pressurizing) is formed.

Another embodiment of this configuration is such that the valve body 40 installed in the second connector port 16 is configured to close the second connector port 16 in the same manner as in a conventional check valve. ) Is separated from the connector 10, it is possible to naturally block the raw water flowing back from the purified water discharge passage (18). Further, the filter 30 is connected to the connector 10 by configuring the pusher 34a formed at the discharge port 34 of the filter 30 to pressurize the valve body 40 to open the second connector port 16. When coupled to the), the second connector port 16 of the connector 10 is to be opened naturally.

As a result, another embodiment of this configuration is adapted to automatically shut off the backwater from the purified water discharge passage 18 when the filter 30 is disconnected from the connector 10 to replace the filter 30. It serves to prevent the leakage of raw water from the port (16).

Finally, referring to another embodiment in FIG. 7, another embodiment forms a third connector port 19 in the connector 10, and then inserts a valve seat 19b in the third connector port 19. The valve chamber 19a which has is formed, and this valve chamber 19a has the structure which arrange | positioned the valve body 50 for closing the 3rd connector port 19. As shown in FIG. In addition, an auxiliary discharge port 36 connected to the third connector port 19 of the connector 10 is formed in the filter 30 coupled to the connector 10, and the auxiliary discharge port 36 is provided with a third discharge port 36. It has a structure in which the pusher 36a for pressurizing the valve body 50 of the connector port 19 is formed. Here, the auxiliary discharge port 34 of the filter 30 is for discharging the effluent flowing out of the reverse osmosis type filtering means, when using the reverse osmosis type filter. And the third connector port 19 of the connector 10 is for discharging the outflow water discharged from the filter 30 to the outside. Of course, the third connector port 19 is in communication with the auxiliary discharge passage 19c.

Another embodiment of this configuration is such that the valve body 50 installed in the third connector port 19 is configured to close the third connector port 19 in the same manner as in a conventional check valve 30 so that the filter 30 ) Is separated from the connector (10), it is possible to naturally block the raw water flowing back from the auxiliary discharge passage (19c). As a result, another embodiment of this configuration is the third connector port by automatically blocking the back flow from the auxiliary discharge passage (19c) when separating the filter 30 from the connector 10 to replace the filter 30 It serves to prevent the leakage of raw water from (19).

When the filter 30 is separated from the connector 10 of the water purifier body 1, the present invention having the above configuration automatically cuts off the introduction of raw water, and when the filter 30 is coupled to the connector 10. It is possible to conveniently exchange the filter 30 by configuring to automatically allow the flow of blocked water.

Meanwhile, in the drawings of the present invention, the valve chambers 14a, 16a, 19a and the valve bodies 20, 40, in the first to third connector ports 14, 16, 19 of the connector 10 protruded. 50) and then pushers 32a, 34a and 36a are installed in the introduction port 32, the discharge port 34 and the auxiliary discharge port 36 of the grooved filter 30 coupled thereto. Although shown, on the contrary, the valve chambers 14a, 16a, 19a and the valve bodies 20, 40, 50 are connected to the first to third connector ports 14, 16, 19 of the grooved connector 10. And then install the pusher (32a, 34a, 36a) in the introduction port 32, the discharge port 34, the auxiliary discharge port 36 of the filter 30 of the protruding form is fitted and coupled thereto. It is possible.

Although the preferred embodiments of the present invention have been described above by way of example, the scope of the present invention is not limited to these specific embodiments, and may be appropriately changed within the scope of the claims.

As described above, the raw water blocking device of the water purifier according to the present invention automatically cuts off the introduction of raw water when the filter is disconnected from the connector of the water purifier body, and when the filter is coupled to the connector of the water purifier body, the raw water is blocked. It is possible to change the filter very easily by configuring to allow the flow of the filter automatically. In addition, unlike the conventional water purifier to cut off the raw water with an expensive shut-off valve, it is possible to cut off the raw water with a simple configuration and low installation cost has an effect that can significantly reduce the manufacturing cost of the water purifier.

1 is a cross-sectional view showing the configuration of a raw water blocking device of a water purifier according to the present invention;

2 is a cross-sectional view taken along the line II-II of FIG. 1;

3 is a cross-sectional view taken along line III-III of FIG. 1;

4 is a cross-sectional view taken along the line IV-IV of FIG. 1;

5 to 7 are cross-sectional views showing another embodiment of the raw water blocking device of the water purifier according to the present invention.

♣ Explanation of symbols for main part of drawing ♣

1: water purifier main body 10: connector

12: Raw water introduction path 14: First connector port

14a: valve chamber 16: second connector port

16a: valve chamber 18: water purification discharge passage

20, 40, 50: valve body 30: filter

32: Introduction port 32a: Pusher

34: discharge port 34a: pusher

Claims (8)

In the raw water cut-off device of the water purifier, which is configured to effectively block and allow the raw water introduced during the exchange of the filter to the water purifier to filter the introduced raw water through the filter, A connector having a raw water introduction passage and a first connector port communicating with the raw water introduction passage, wherein the first connector port has a valve chamber; A valve body disposed in the valve chamber to move by the flow pressure of the raw water introduced into the valve chamber to close the first connector port; An inlet port, a filtering means, and an outlet port connected to the first connector port of the connector, the first connector being pressed by pressing the valve body therein as the inlet port is connected to the first connector port of the connector; And a filter having a pusher to open the port. The water supply shutoff apparatus of claim 1, wherein the valve body is a ball configured to close the first connector port by a pressure of the pressure oil introduced into the raw water introduction passage. 2. The valve of claim 1, wherein the valve body is a poppet configured to close the first connector port by the pressure of the hydraulic oil introduced into the raw water introduction passage, and the poppet contacts the pusher of the filter through the introduction port of the filter. Raw water cutoff device for water purifier, characterized in that it is provided with a protruding rod. The rubber ring according to any one of claims 1 to 3, further comprising an O-ring made of rubber material disposed between the second connector port and the valve body to maintain the airtightness of the first connector port and the valve body. A raw water cutoff device for a water purifier. The water supply shutoff apparatus according to any one of claims 1 to 3, wherein the valve body is made of a soft material. The raw water shutoff device according to claim 1, wherein the connector is a rotatable connector that is rotatable between a filter use position and a filter change position about a pivot axis. The method of claim 1, wherein the connector further comprises a second discharge port connected to the discharge port of the filter and the water discharge passage communicating with the second connector port, the second connector port is formed with a valve chamber The valve chamber is provided with a valve body for automatically closing the second connector port when the filter is removed, and the filter body of the second connector port is opened as the discharge port and the second connector port are connected to the filter. Water purifier of the water purifier, characterized in that the pusher for pushing in the direction is further formed. The method of claim 1, wherein the connector further comprises a third connector port connected to the port of the filter and an auxiliary discharge port connected to the third connector port, the third connector port is formed with a valve chamber, A valve body for opening and closing the third connector port is installed in the valve chamber, and a pusher is formed in the auxiliary discharge port of the filter to connect the valve body of the third connector port as the auxiliary discharge port and the third connector port are connected. Raw water blocking device of the water purifier, characterized in that pushing in the opening direction.