CN108006276B

CN108006276B - Waste water valve for water purifier and water purifier with waste water valve

Info

Publication number: CN108006276B
Application number: CN201611193816.6A
Authority: CN
Inventors: 杨旅; 郑跃东
Original assignee: Midea Group Co Ltd; Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
Priority date: 2016-12-21
Filing date: 2016-12-21
Publication date: 2020-11-03
Anticipated expiration: 2036-12-21
Also published as: CN112178215B; CN112212015A; CN112212015B; CN108006276A; CN112178215A

Abstract

The invention discloses a waste water valve for a water purifier and the water purifier with the same, wherein the waste water valve for the water purifier comprises: the valve body is internally provided with a water flow channel, and the valve body is provided with a water inlet and a water outlet which are communicated with the water flow channel; the scale inhibition module is arranged in the valve body and is positioned between the water inlet and the water outlet, a scale inhibition cavity suitable for containing scale inhibitor is limited in the scale inhibition module, and the scale inhibition cavity is communicated with the water inlet and the water outlet; the one-way valve is arranged between the water inlet and the scale inhibition cavity and is constructed to be communicated with the scale inhibition cavity from the water inlet in a one-way mode. According to the waste water valve for the water purifier, the blockage of a water flow channel in the valve body due to scaling in the valve body after long-time use can be avoided, so that the waste water valve for the water purifier can run more stably; and the scale inhibitor can also prevent the water in the upstream waterway from being polluted.

Description

Waste water valve for water purifier and water purifier with waste water valve

Technical Field

The invention relates to the technical field of water purification, in particular to a waste water valve for a water purifier and the water purifier with the waste water valve.

Background

The waste water pipeline of water purifier is provided with the waste water valve in order to control the discharge of waste water, and calcium magnesium ion concentration is very high in the waste water of the production of water purifier, and the waste water is very easy to produce the incrustation scale in the waste water valve when flowing through the waste water valve to lead to easily that the waste water valve causes the jam and unable normal use, make complete machine performance unusual.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention provides a waste water valve for a water purifier, which can realize the aim of inhibiting scale of waste water flowing through the waste water valve, so as to prevent the waste water valve from being blocked and avoid polluting water in an upstream pipeline.

The invention also provides a water purifier with the waste water valve for the water purifier.

A waste water valve for a water purifier according to an embodiment of a first aspect of the present invention includes: the valve body is internally provided with a water flow channel, and the valve body is provided with a water inlet and a water outlet which are communicated with the water flow channel; the scale inhibition module is arranged in the valve body and is positioned between the water inlet and the water outlet, a scale inhibition cavity suitable for containing scale inhibitor is limited in the scale inhibition module, and the scale inhibition cavity is communicated with the water inlet and the water outlet; the one-way valve is arranged between the water inlet and the scale inhibition cavity and is constructed to be communicated with the scale inhibition cavity from the water inlet in a one-way mode.

According to the waste water valve for the water purifier, the scale inhibition module is arranged in the valve body, waste water can flow through the scale inhibition module when flowing between the water inlet and the water outlet, and scale in the waste water can be dissolved through the scale inhibition module, so that the phenomenon that a water flow channel in the valve body is blocked due to scale formation generated in the valve body after long-time use is avoided, and the normal use of the waste water valve for the water purifier is further influenced;

the one-way valve is arranged between the water inlet and the scale inhibition cavity to realize the one-way conduction from the water inlet to the one-way valve, so that the scale inhibitor in the scale inhibition cavity can only play a role in the wastewater at the downstream of the scale inhibition device, the scale inhibition cavity and the wastewater of the downstream pipeline can be prevented from flowing back to the upstream pipeline, and the pollution to the water in the upstream waterway is avoided.

In addition, the waste water valve for a water purifier according to an embodiment of the present invention may further have the following additional technical features:

according to some embodiments of the invention, a valve cavity is defined in the valve body, the valve cavity is communicated with the scale inhibition cavity, and a drain hole is arranged on the inner wall of the valve cavity and communicated with the water outlet.

Optionally, the scale inhibition cavity is arranged below the valve cavity, an inlet and an outlet are formed on the cavity wall of the scale inhibition cavity, the inlet is communicated with the water inlet, and the outlet is communicated with the valve cavity.

Optionally, a first filter screen is arranged at the inlet, and a second filter screen is arranged at the outlet.

Optionally, the outlet is formed on a top wall of the scale inhibition chamber and the inlet is formed on a bottom wall of the scale inhibition chamber.

Optionally, the open area of the inlet is larger than the open area of the outlet.

Optionally, a sealing pad is arranged in the valve body, the lower end of the valve cavity is communicated with the scale inhibiting cavity, the upper end of the valve cavity is opened to form a flushing water gap communicated with the water outlet, and the sealing pad is movably arranged above the valve cavity to open or close the flushing water gap.

Optionally, the waste water valve for a water purifier further comprises: the sealing cover is detachably arranged below the valve body, an accommodating cavity communicated with the water inlet is defined between the valve body and the sealing cover, at least part of the scale inhibition cavity is positioned in the accommodating cavity, and the inlet is communicated with the accommodating cavity.

Furthermore, a first water through hole is formed in the valve body and communicated with the water inlet and the accommodating cavity.

According to some embodiments of the invention, the one-way valve is disposed within the water inlet.

A water purifier according to an embodiment of a second aspect of the present invention has the waste water valve for a water purifier of the above-described embodiment.

The waste water valve for the water purifier has the technical effects, so that the water purifier provided by the embodiment of the invention also has the technical effects, namely, the water purifier provided by the embodiment of the invention can realize the purpose of scale inhibition on waste water by arranging the waste water valve for the water purifier provided by the embodiment of the invention, so that the waste water flowing through the waste water valve and scaling of a downstream pipeline can be prevented, the overall performance of the water purifier is improved, the scale inhibition module is arranged in the waste water valve, the integrated design of the valve body and the scale inhibition module can be realized, the installation space is saved, and meanwhile, the pollution to water in the upstream pipeline can be avoided by arranging the one-way valve.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural view of a waste water valve for a water purifier according to an embodiment of the present invention.

Reference numerals:

100: a waste water valve for the water purifier;

1: valve body, 11: water flow passage, 12: water inlet, 13: water outlet, 14: valve chamber, 141: drain hole, 142: flushing water port, 15: seal, 16: a first water passage hole;

2: scale inhibition module, 21: scale inhibition cavity, 211: inlet, 212: outlet, 22: first screen, 23: a second filter screen;

3: cover, 31: an accommodating chamber;

4: a one-way valve.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

A waste water valve 100 for a water purifier according to an embodiment of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1, a waste water valve 100 for a water purifier according to an embodiment of the present invention may include a valve body 1, a scale inhibition module 2, and a check valve 4.

Specifically, have rivers passageway 11 in the valve body 1 and be equipped with water inlet 12 and the delivery port 13 with rivers passageway 11 intercommunication on the valve body 1, hinder dirty module 2 and establish in the valve body 1 and be in between water inlet 12 and the delivery port 13, hinder and restrict in the dirty module 2 and be suitable for holding the dirt chamber 21 that hinders of antisludging agent, hinder dirty chamber 21 and water inlet 12 and delivery port 13 intercommunication, check valve 4 establishes between water inlet 12 and the dirt chamber 21 and is constructed into and hinders the one-way conduction in the dirt chamber 21 by water inlet 12.

In other words, the waste water valve 100 for the water purifier includes a valve body 1 and a scale inhibition module 2, the scale inhibition module 2 is disposed in the valve body 1, and ions forming scale in the waste water flowing through the waste water valve 100 can be dissolved by the scale inhibition module 2 to prevent the generation of scale and prevent the waste water valve 100 for the water purifier from being blocked. A water inlet 12 and a water outlet 13 are arranged on the valve body 1, a water flow channel 11 is defined in the valve body 1, the water inlet 12 and the water outlet 13 are respectively communicated with the water flow channel 11, the valve body 1 is installed on a waste water path of the water purifier, and water flows into the water flow channel 11 from the water inlet 12 and flows out from the water outlet 13.

The scale inhibition module 2 is arranged between the water inlet 12 and the water outlet 13, when water flows to the water outlet 13 from the water inlet 12, the scale inhibition module 2 can flow through, the scale inhibition cavity 21 can be defined in the scale inhibition module 2 to be used for containing scale inhibitors, the scale inhibition cavity 21 is respectively communicated with the water inlet 12 and the water outlet 13, therefore, when water flows between the water inlet 12 and the water outlet 13, the scale inhibition cavity 21 can be passed through, when water flows through the scale inhibition cavity 21, the scale inhibitors can act on ions forming scale to prevent the generation of the scale, thereby scale in water flow can be removed, scale formation in the valve body 1 after a long time is avoided to cause the water channel of the waste water valve 100 to be blocked, and the operation of the waste water valve 100.

The one-way valve 4 is arranged in the shell and positioned between the water inlet 12 and the scale inhibition cavity 21, and the one-way conduction from the water inlet 12 to the scale inhibition cavity 21 can be realized through the one-way valve 4, so that the water on the upstream of the scale inhibition cavity 21 can flow to the scale inhibition cavity 21 through the one-way valve 4, and meanwhile, the backflow in the scale inhibition cavity 21 and on the downstream of the scale inhibition cavity 21 is also avoided through the one-way valve 4. Therefore, the scale inhibitor can only act on the water at the downstream of the one-way valve 4, and the water flow with the scale inhibitor can be prevented from flowing back to the water inlet 12, so that the water flow with the scale inhibitor is prevented from flowing back to an upstream pipeline to pollute the upstream pipeline.

Therefore, according to the waste water valve 100 for the water purifier provided by the embodiment of the invention, the scale inhibition module 2 is arranged in the valve body 1, so that waste water can flow through the scale inhibition module 2 when flowing between the water inlet 12 and the water outlet 13, and scale in the waste water can be dissolved through the scale inhibition module 2, so that the phenomenon that the water flow channel 11 in the valve body 1 is blocked due to scale formation generated in the valve body 1 after long-time use is avoided, and further the normal use of the waste water valve 100 for the water purifier is influenced;

the one-way valve 4 is arranged between the water inlet 12 and the scale inhibition cavity 21 to realize the one-way conduction from the water inlet 12 to the one-way valve 4, so that the scale inhibitor in the scale inhibition cavity 21 can only play a role in the wastewater at the downstream of the scale inhibition device, the scale inhibition cavity 21 and the wastewater of the downstream pipeline can be prevented from flowing back to the upstream pipeline, and the pollution to the water of the upstream waterway is avoided.

The invention is not limited in particular as far as the structure of the one-way valve 4 is concerned, and the one-way valve 4 is constructed to realize only one-way conduction of water flow to the scale inhibition cavity 21 at the water inlet 12 when water flows through.

For the scale inhibitor, the scale inhibitor can react with the scale forming ions to dissolve the scale so as to achieve the purpose of removing the scale and prevent the scale in the wastewater from forming precipitate and scaling to cause the blockage of the wastewater valve 100, for example, the scale inhibitor can be phosphate, the phosphate can be slowly released in the water and can react with the scale forming calcium, magnesium and other ions in the water to form soluble complexes and insoluble nano-scale membranes which can be attached to the pipeline so as to achieve the purpose of preventing the formation of the scale and the attachment of the scale on the pipeline wall.

In some embodiments of the present invention, a valve cavity 14 may be defined in the valve body 1, the valve cavity 14 is communicated with the scale inhibiting cavity 21, a drainage hole 141 is formed on an inner wall of the valve cavity 14, and the drainage hole 141 is communicated with the water outlet 13. Specifically, the valve cavity 14 is respectively communicated with the scale inhibition cavity 21 and the water outlet 13, the scale inhibition cavity 21 is located at the upstream of the valve cavity 14, and the water outlet 13 is located at the downstream of the valve cavity 14, that is, the wastewater can sequentially pass through the scale inhibition cavity 21, the valve cavity 14 and the water outlet 13. Therefore, the wastewater can firstly pass through the scale inhibition cavity 21 and dissolve the scale in the wastewater through the scale inhibitor, and the wastewater after scale removal flows to the valve cavity 14 and flows to the water outlet 13 through the water discharge hole 141, so that the water discharge hole 141 can be prevented from being blocked.

Further, the waste water valve 100 for the water purifier can be connected with a waste water port of the reverse osmosis filter element, in order to ensure the pressure in the reverse osmosis filter element, the flow area of the drain hole 141 of the waste water valve 100 is small, in the prior art, the drain hole 141 is easy to block when the waste water valve 100 drains waste water, in the waste water valve 100 for the water purifier, the scale inhibition cavity 21 is positioned at the upstream of the drain hole 141, water flows to the drain hole 141 through the scale inhibitor, and therefore the scale formation of scale at the drain hole 141 to cause the blocking can be avoided, and the overall performance of the waste water valve 100 for the water purifier is ensured.

In some examples of the present invention, the scale inhibition cavity 21 may be disposed below the valve cavity 14, an inlet 211 and an outlet 212 are formed on the cavity wall of the scale inhibition cavity 21, the inlet 211 is communicated with the water inlet 12, and the outlet 212 is communicated with the valve cavity 14. Therefore, the wastewater enters the valve body 1 from the water inlet 12, enters the scale inhibition cavity 21 through the inlet 211, flows out from the outlet 212 after being dissolved by the scale inhibitor in the scale inhibition cavity 21, flows to the valve cavity 14, and can flow to the water outlet 13 through the water outlet, so that the scale inhibition cavity 21 is arranged below the valve cavity 14, the wastewater can flow between the scale inhibition cavity 21 and the valve cavity 14, and the structure in the valve body 1 is more compact.

In some examples of the invention, the outlet 212 may be formed on the top wall of the scale inhibition cavity 21, the inlet 211 is formed on the bottom wall of the scale inhibition cavity 21, specifically, the valve cavity 14 is located above the scale inhibition cavity 21, the outlet 212 is arranged on the top wall of the scale inhibition cavity 21 and penetrates through the top wall of the scale inhibition cavity 21 to communicate the scale inhibition cavity 21 and the valve cavity 14, the inlet 211 is formed on the bottom wall of the scale inhibition cavity 21, and water flow may flow to the outlet 212 of the top wall of the scale inhibition cavity 21 through the inlet 211 of the bottom wall of the scale inhibition cavity 21, so as to facilitate the flow of wastewater in the scale inhibition cavity 21 and the valve cavity 14, and also enable the wastewater to fully react with the scale inhibitor in the.

Alternatively, the opening area of the inlet 211 may be larger than the opening area of the outlet 212. When the wastewater enters the scale inhibition cavity 21 from the inlet 211, the scale inhibitor is arranged in the scale inhibition cavity 21, so that the pressure of the inlet 211 is relatively high, and the pressure of the wastewater flowing out from the outlet 212 is relatively low, therefore, the opening area of the inlet 211 is larger than that of the outlet 212, so that the wastewater can flow to the scale inhibition cavity 21 from the inlet 211 and flow out of the scale inhibition cavity 21 from the outlet 212.

In the example shown in fig. 1, the lower end of the scale inhibition chamber 21 may be open to form an inlet 211, the outlet 212 is formed on the bottom wall of the scale inhibition chamber 21 and the opening of the outlet 212 is smaller than the inlet 211 of the scale inhibition chamber 21.

Advantageously, a first sieve 22 may be provided at the inlet 211 and a second sieve 23 at the outlet 212. Specifically, the first screen 22 can close the inlet 211, the second screen 23 can close the outlet 212, and the scale inhibitor can be limited in the scale inhibition cavity 21 through the first screen 22 and the second screen 23, so as to prevent the scale inhibitor from flowing out of the scale inhibition cavity 21 along with wastewater. Further, a first screen 22 and a second screen 23 may be provided in the scale inhibition chamber 21 to further confine the scale inhibitor in the scale inhibition chamber 21, and also facilitate the assembly of the first screen 22 and the second screen 23.

In some embodiments of the present invention, a sealing pad 15 may be disposed in the valve body 1, a lower end of the valve cavity 14 is communicated with the scale inhibiting cavity 21, an upper end of the valve cavity 14 is open to form a flushing water gap 142 communicated with the water outlet 13, and the sealing pad 15 is movably disposed above the valve cavity 14 to open or close the flushing water gap 142. Specifically, when the waste water valve 100 for the water purifier discharges waste water, the sealing pad 15 is tightly attached to the upper end of the valve cavity 14 to seal the flushing water port 142, so that water is prevented from overflowing from the flushing water port 142, when the electromagnetic valve for the water purifier is powered on, the sealing pad 15 is lifted upwards, a gap is formed between the sealing pad 15 and the upper end of the valve cavity 14, the flushing water port 142 is opened, and water in the valve cavity 14 flows to the water outlet 13 from the flushing water port 142, so that the purposes of quick water discharging and flushing are achieved.

In some embodiments of the present invention, the waste water valve 100 for a water purifier may further include: the closing cap 3, closing cap 3 detachably establish in the below of valve body 1, and the valve body 1 and the closing cap 3 between inject and hold the chamber 31 with water inlet 12 intercommunication, hinder dirty chamber 21 and lie in at least partially and hold the chamber 31 and the import 211 communicates with holding the chamber 31. Thereby facilitating the filling of the scale inhibitor in the scale inhibition chamber 21. Specifically, as shown in fig. 1, the sealing cover 3 is detachably disposed at the lower end of the valve body 1, the lower end of the valve body 1 is provided with the scale inhibiting cavity 21, a containing cavity 31 can be defined between the sealing cover 3 and the valve body 1 to contain a part of the scale inhibiting module 2, at least a part of the lower end of the scale inhibiting cavity 21 is located in the containing cavity 31 and is spaced apart from the cavity wall of the containing cavity 31, wastewater flows into the containing cavity 31 through the water inlet 12, thereby facilitating the flow of the wastewater through the containing cavity 31 and also relieving the water inlet pressure of the scale inhibiting cavity 21.

Advantageously, a first water passage hole 16 may be provided in the valve body 1, the first water passage hole 16 communicating the water inlet 12 and the accommodating chamber 31. Waste water flows into the valve body 1 through the water inlet 12 and flows into the accommodating chamber 31 through the first water passage hole 16, thereby facilitating communication between the water inlet 12 and the accommodating chamber 31. In the example shown in fig. 1, the first water passage hole 16 is located above the accommodating chamber 31, whereby the waste water can flow toward the accommodating chamber 31 by gravity, thereby facilitating the flow of the waste water inside the valve body 1.

Advantageously, as shown in fig. 1, the check valve 4 may be disposed in the water inlet 12, and specifically, the check valve 4 is located upstream of the scale inhibition module 2 and in the water inlet 12, so that not only can the one-way conduction from the water inlet 12 to the scale inhibition module 2 be realized, but also the installation and assembly of the check valve 4 are facilitated, and the check valve 4 is integrally disposed with the valve body 1, so that the installation space is saved, and the installation is facilitated.

In addition, the present invention also proposes a water purifier having the waste water valve 100 for a water purifier of the above embodiment.

Since the waste water valve 100 for a water purifier according to the above embodiment of the present invention has the above technical effects, the water purifier according to the embodiment of the present invention also has the above technical effects, that is, according to the water purifier according to the embodiment of the present invention, by providing the waste water valve 100 for a water purifier according to the above embodiment, not only can the purpose of scale inhibition on waste water be achieved to prevent the waste water from scaling through the waste water valve 100 and downstream pipelines, and improve the overall performance of the water purifier, but also the scale inhibition module 2 is provided in the waste water valve 100, so that the valve body 1 and the scale inhibition module 2 can be integrally designed to save installation space, and meanwhile, by providing the check valve 4, the pollution on water in the upstream pipelines can be avoided.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A waste valve for a water purifier, comprising:

the valve body is internally provided with a water flow channel, and the valve body is provided with a water inlet and a water outlet which are communicated with the water flow channel;

the scale inhibition module is arranged in the valve body and is positioned between the water inlet and the water outlet, a scale inhibition cavity suitable for containing scale inhibitor is limited in the scale inhibition module, and the scale inhibition cavity is communicated with the water inlet and the water outlet;

the one-way valve is arranged between the water inlet and the scale inhibition cavity and is constructed to be communicated with the scale inhibition cavity from the water inlet in a one-way manner;

a valve cavity is defined in the valve body and is communicated with the scale inhibition cavity, a drain hole is formed in the inner wall of the valve cavity and is communicated with the water outlet;

the scale inhibition cavity is arranged below the valve cavity, an inlet and an outlet are formed on the wall of the scale inhibition cavity, the inlet is communicated with the water inlet, and the outlet is communicated with the valve cavity;

a first filter screen is arranged at the inlet, and a second filter screen is arranged at the outlet;

the outlet is formed on the top wall of the scale inhibition cavity, and the inlet is formed on the bottom wall of the scale inhibition cavity;

the opening area of the inlet is larger than that of the outlet.

2. The waste water valve for a water purifier as claimed in claim 1, wherein a sealing pad is arranged in the valve body, the lower end of the valve cavity is communicated with the scale inhibiting cavity, the upper end of the valve cavity is opened to form a flushing water gap communicated with the water outlet, and the sealing pad is movably arranged above the valve cavity to open or close the flushing water gap.

3. The waste water valve for a water purifier as recited in claim 1, further comprising: the sealing cover is detachably arranged below the valve body, an accommodating cavity communicated with the water inlet is defined between the valve body and the sealing cover, at least part of the scale inhibition cavity is positioned in the accommodating cavity, and the inlet is communicated with the accommodating cavity.

4. The waste valve for a water purifier as claimed in claim 3, wherein a first water passing hole is provided in the valve body, the first water passing hole communicating the water inlet and the receiving chamber.

5. The waste valve for a water purifier as claimed in claim 1, wherein the check valve is provided in the water inlet.

6. A water purifier characterized by comprising the waste water valve for a water purifier of any one of claims 1 to 5.