KR200260158Y1 - The pressure reducing valve for a water purifier - Google Patents

Abstract

The present invention has a casing (10) having an inlet (11) and an outlet (12), a casing coupled to the casing (10), a casing cover (13) having an air outlet (14), and the casing A spring 15 installed at a predetermined pressure in the inner space consisting of the 10 and the casing cover 13, a spring presser plate 16 installed on the upper portion of the spring 15, and a lower portion of the spring 15. Installed on the diaphragm 17 which is inflated and lifted up when tap water generating a pressure higher than the set pressure of the spring 15 is introduced, and is returned again as the water therein is discharged through the outlet 12. And two longitudinal holes 19 provided at a lower portion of the diaphragm 17 to provide hydraulic pressure to the diaphragm 17 and four transverse holes 20 serving as a passage. The cartridge 18 and the inside of the cartridge 18 A shutoff rod 22 connected to the diaphragm 17 by a fixture 21 and operated together with the diaphragm 17, and attached to a lower portion of the shutoff rod 22 to connect the inlet 11. It relates to a pressure reducing valve for water purifier, characterized in that it comprises a rubber packing (23) to open and close, and a pressure adjusting means of the spring (15) installed on the casing cover (13).

Description

Pressure reducing valve for water purifier {THE PRESSURE REDUCING VALVE FOR A WATER PURIFIER}

The present invention relates to a pressure reducing valve for water purifiers used for water purifiers for directly purifying tap water, and more particularly, a casing having an inlet and an outlet, and a casing cover coupled to the casing and having an air outlet. And a spring that is preset and installed at a predetermined pressure in an inner space consisting of the casing and the casing cover, a spring presser plate installed at an upper portion of the spring, and a pressure higher than a set pressure of the spring and installed at a lower portion of the spring. When the generated tap water is introduced, the diaphragm is inflated and lifted up, and the internal pressure is lowered and returned again as water inside the outlet is discharged through the outlet, and is installed below the diaphragm, and the diaphragm 17 Two longitudinal holes that provide water pressure to A cartridge having four transverse holes formed therein, a shutoff rod installed in the cartridge and fixedly connected to the diaphragm by a fixture to be operated together with the diaphragm, and attached to a lower portion of the shutoff rod And a rubber packing for opening and closing the inlet, and a pressure regulating means of the spring installed on the casing cover.

Nowadays, a lot of independent water purifiers are used to purify bottled water, but there are still many domestic water purifiers. However, in the conventional water purifier that directly purifies the tap water, there is no separate device for properly adjusting the water pressure of the incoming tap water, and when high pressure water pressure is introduced, damage to the internal parts of the water purifier and leakage of tap water may cause property damage. There is a problem that occurs, especially in the high-rise apartments where the difference in water pressure between the low and high floor in the water purifier to be supplied with a constant water pressure, there is a problem that the life span of the water purifier due to the breakage of parts is more remarkable. .

Therefore, the present invention, in the water purifier to directly purify the tap water, by reducing the tap water having a high pressure to a predetermined pressure to be provided in a regular lesson, the property of the water purifier components due to damage and leakage of water purifier components by high pressure tap water It is based on the problem of providing a pressure reducing valve for water purifiers that prevents damage.

The problem includes a casing having an inlet and an outlet and a casing cover screwed to the casing, the casing cover having an air outlet, a spring in an inner space consisting of the casing and the casing cover, and an upper portion of the spring. When the spring pressure plate is installed, and the tap water is installed in the lower portion of the spring and generates a pressure higher than the set pressure of the spring is inflated and lifted up, as the water inside is discharged through the outlet, the internal pressure is increased. The cartridge is provided with a diaphragm which is lowered and returned again, two longitudinal holes which are installed in the lower part of the diaphragm and provide water pressure to the diaphragm 17, and four transverse holes which serve as water passages. And installed in the cartridge and fixedly connected to the diaphragm by a fixture. A shutoff rod operated with the diaphragm, a rubber packing attached to a lower portion of the shutoff rod to open and close the inlet, and a pressure regulating means of the spring installed at an upper portion of the casing cover. It is achieved by the pressure reducing valve for water purifier according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail the pressure reducing valve for water purifier according to the present invention.

1 is a partial cross-sectional view of the water purifier according to the present invention.

<Explanation of Signs of Major Parts of Drawings>

1: Pressure reducing valve for water purifier

10: casing

11: inlet

12: outlet

13 casing cover

14 air outlet

15: spring

17: diaphragm

18: cartridge

22: shutoff rod

23: rubber packing

24: Pressure adjusting bolt

25: Loosening nut

1 is a partial sectional view of a pressure reducing valve 1 for water purifier according to the present invention.

As shown in FIG. 1, the pressure reducing valve 1 for the water purifier according to the present invention includes a casing 10 having an inlet 11 on one side and an outlet 12 on the other side, and the casing 10. It is screwed to the upper portion of the casing cover 13 having an air outlet 14 on the side, and the predetermined preset in the internal space consisting of the casing 10 and the casing cover 13 is installed in advance A spring 15 to be installed, a spring presser plate 16 installed at an upper portion of the spring 15 to fix and support the spring 15, and a spring presser plate 16 to apply pressure to the spring 15, and to be installed at a lower portion of the spring 15. Diaphragm 17 and the diaphragm 17 which are inflated and lifted up when the tap water generating a pressure higher than the set pressure of the inlet flows and is returned again as the water therein is discharged through the outlet 12. ) Is installed at the bottom, the diamond The cartridge 18 is formed with two longitudinal holes 19 for supplying hydraulic pressure to the ram 17 and four transverse holes 20 serving as a passage for water, and inside the cartridge 18. A shutoff rod 22 which is installed and connected to the diaphragm 17 by a fixture 21 to operate together with the diaphragm 17, and is attached to a lower portion of the shutoff rod 22 and attached to the shutoff rod ( It includes a rubber packing 23 for blocking the inlet 12 as the 22 is lifted up, and a pressure adjusting means of the spring 15 installed on the casing cover (13).

Here, it is preferable that a rubber packing is formed at the screwed portion of the casing 10 and the casing cover 13, and the spring presser plate 16 is installed between the casing cover 13 and the spring 15, The upper disc having a diameter larger than the diameter of the spring 15 and the lower disc having a diameter smaller than the diameter of the spring 15 are bonded to each other so that the position 15 of the spring 15 can be easily fixed and the pressure adjustment can be easily performed. Preferably, the lower disc is inserted into the spring 15.

The diaphragm 17 is preferably made of a rubber material so as to be movable according to the packing and the pressure difference, and parts including the casing 10 in contact with water are preferably made of a corrosion resistant material.

The fastener 21 is fixed to each other so that the diaphragm 17 and the shutoff rod 22 work together. For example, the fastener 21 drills a hole in the center of the diaphragm 17 and the shutoff rod 22. After drilling a corresponding screw hole in the upper part of the inner), it is preferable to fix each other with a fastener 21 such as a bolt, in which case the diaphragm 17 is worn by a fastener 21 such as a bolt. It is preferable that a washer is inserted between the fixture 21 and the diaphragm 17 in order to prevent it from being prevented. ) May be fixed by the spring pressing plate 24 in the upper portion, by the fixture 21 in the lower portion.

The pressure regulating means of the spring 15 protrudes through the casing cover 13 and applies a pressure regulating bolt 24 to apply any pressure to the spring pressing plate 16, and an upper surface of the casing cover 13. It is preferably made of an anti-loosening nut 25 is fixed to the pressure adjusting bolt 24.

The function and action of the pressure reducing valve 1 for water purifier according to the present invention are as follows.

In the pressure-reducing valve 1 for water purifier according to the present invention, when tap water is introduced through the inlet 11, a pressure difference is generated due to a difference in the cross-sectional area between the diaphragm 17 and the cartridge 18. The pressure reducing valve 1 operates according to the action of the pressure difference and the set pressure of the spring 15.

First, the water introduced through the inlet 11 is introduced through the horizontal hole 20 of the cartridge 18. When the inflow is larger than the outflow amount, the water is in the longitudinal direction of the cartridge 18 by the pressure difference. It acts on the diaphragm 17 through the hole 19. The water also acts on the rubber packing 23 at the bottom of the shutoff rod 22 inside the cartridge 18.

When the pressure difference is greater than the set pressure of the spring 15 due to the difference in cross-sectional area between the diaphragm 17 and the cartridge 18, the diaphragm 17 is pushed up, and the diaphragm 17 is inflated and lifted up. Ground, the shut off rod 22 and the rubber packing 23 is connected to the lifting, the rubber packing 23 is to block the longitudinal hole 19 of the cartridge 18 in which tap water is introduced. . In the case of using water, the water flowing into the diaphragm 17 lowers through the outlet 12, so that the set pressure of the spring 15 is internal to the diaphragm 17 and the cartridge 18. The diaphragm 17 is returned to its original position because the diaphragm 17 is pushed down due to the difference in the cross-sectional area of the pressure. Accordingly, the shutoff rod 22 and the rubber packing 23 connected to the diaphragm 17 are also returned to their original positions. Accordingly, the rubber packing 23 is in the longitudinal direction of the cartridge 18 into which tap water is introduced. The opening 19 is opened. The operation as described above is repeated continuously.

When the water is not used, since the water introduced into the diaphragm 17 cannot escape through the outlet 12, the rubber packing 23 is tap water while the shutoff rod 22 is pushed up. The longitudinal hole 19 of the cartridge 18 to be introduced is maintained in a blocked state, and when water is used again in this state, water introduced into the diaphragm 17 is lowered through the outlet 12. It exits and continues operation as mentioned above.

Through the functions and actions as described above, the decompression valve for water purifier 1 according to the present invention is to reduce the water of a predetermined pressure or more inflow, so that only water below a predetermined pressure is provided to the water purifier.

Therefore, the pressure reducing valve for the water purifier according to the present invention as described above, by reducing the tap water of the pressure higher than the set pressure to prevent property damage due to component damage and water leakage of the water purifier due to high pressure, and has the effect of extending the life of the water purifier. In addition, there is an excellent effect of improving the water purifier performance by supplying a constant water pressure tap water to the water purifier.

Claims (2)

In the normal pressure reducing valve for water purifier, A casing 10 having an inlet 11 on one side and an outlet 12 on the other side thereof, and a casing coupled to an upper portion of the casing 10 and having an air outlet 14 on the side thereof. A cover 15, a spring 15 that is preset and installed at a predetermined pressure in an inner space formed of the casing 10 and the casing cover 13, and is installed on an upper portion of the spring 15. 15) fixedly supporting and pressurizing the spring pressing plate 16, and is installed in the lower portion of the spring (15) and is inflated and lifted up when the tap water generating a pressure higher than the set pressure of the spring (15) is introduced As the water inside thereof is discharged through the outlet 12, the diaphragm 17 is lowered and returned to the diaphragm 17. The diaphragm 17 is provided below the diaphragm 17 to provide water pressure to the diaphragm 17. Two longitudinal holes 19, And a cartridge 18 having four horizontal holes 20 serving as water passages, and installed inside the cartridge 18 and fixedly connected to the diaphragm 17 by a fixture 21. A rubber seal for closing the inlet 11 as the shutoff rod 22 is attached to the shutoff rod 22 and the shutoff rod 22 which is operated together with the diaphragm 17. (23), and the pressure reducing valve for a water purifier, characterized in that it comprises a pressure adjusting means of the spring (15) installed on the casing cover (13). The method of claim 1, The pressure regulating means of the spring 15 protrudes through the casing cover 13 and applies a pressure regulating bolt 24 to apply any pressure to the spring pressing plate 16, and an upper surface of the casing cover 13. Decompression valve for water purifier, characterized in that consisting of the anti-loosening nut (25) for fixing the pressure adjusting bolt (24).