CN216977201U

CN216977201U - Filter valve member and water heater

Info

Publication number: CN216977201U
Application number: CN202123440571.1U
Authority: CN
Inventors: 郑涛; 林立原; 许福海; 冯青
Original assignee: Haier Smart Home Co Ltd; Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
Current assignee: Haier Smart Home Co Ltd; Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-15
Anticipated expiration: 2031-12-30

Abstract

The utility model belongs to the technical field of pipeline filtration, and particularly relates to a filtering valve and a water heater, wherein the filtering valve comprises a first pipe section, a second pipe section and a filter screen assembly; the first end of the first pipe section is provided with a first connecting structure, and the second end of the first pipe section is provided with a first butt joint part; the first end of the second pipe section is provided with a second connecting structure, and the second end of the second pipe section is provided with a second butt joint part; the first butt joint part and the second butt joint part are detachably butted, and the filter screen assembly is clamped between the first butt joint part and the second butt joint part; the first connecting structure and the second connecting structure are used for being detachably connected with an external pipeline. So that when the filter screen component of the filter valve component is blocked, the filter valve component can be detached, and the filter screen component of the filter valve component can be cleaned or replaced conveniently. The filtering valve has simple structure and convenient assembly and disassembly.

Description

Filtering valve element and water heater

Technical Field

The utility model belongs to the technical field of pipeline filtration, and particularly relates to a filtering valve and a water heater.

Background

The water heater is a common household appliance in daily life, and is a device which can raise the temperature of cold water into hot water in a certain time by various physical principles. According to different principles, the water heater can be divided into an electric water heater, a gas water heater, a solar water heater, a magnetic water heater, an air energy water heater, a heating water heater and the like. The water heater is provided with a water inlet and a water outlet, a water inlet pipeline is communicated with the water inlet to inject water into the water heater, and a water outlet pipeline is communicated with the water outlet to lead out hot water in the water heater.

Among the correlation technique, in order to prevent the impurity entering water heater of aquatic, or, in order to prevent that the impurity in the water heater from flowing along with water, can set up the filter screen at the inside fixed of water intake pipe usually, or, can set up the filter screen at the inside fixed of outlet pipe usually to make the impurity in the filter screen filtering rivers, on the one hand, be favorable to avoiding the impurity damage equipment in the rivers, on the other hand is favorable to promoting user's use and experiences.

However, the filter provided in the pipe of the related art water heater is not easily replaced when clogging occurs.

SUMMERY OF THE UTILITY MODEL

The utility model provides a filtering valve and a water heater, wherein two ends of the filtering valve are detachably connected with a pipeline, so that the filtering valve can be detached when a filter screen assembly of the filtering valve is blocked, and the filter screen assembly of the filtering valve can be cleaned or replaced conveniently. The filtering valve has simple structure and convenient assembly and disassembly.

In a first aspect, the present invention provides a filter valve comprising a first tube segment, a second tube segment, and a screen assembly; a first connecting structure is arranged at the first end of the first pipe section, and a first butt joint part is arranged at the second end of the first pipe section; a first end of the second pipe section is provided with a second connecting structure, and a second end of the second pipe section is provided with a second butt joint part; the first butt joint part and the second butt joint part are detachably butted, and the filter screen assembly is clamped between the first butt joint part and the second butt joint part; the first connecting structure and the second connecting structure are used for being detachably connected with an external pipeline.

It will be appreciated by those skilled in the art that the present invention provides a filter valve element comprising a first tube segment, a second tube segment and a screen assembly. Providing a first coupling feature at a first end of a first pipe segment and a first butt joint at a second end of the first pipe segment; a second connecting structure is arranged at the first end of the second pipe section, and a second butt joint part is arranged at the second end of the second pipe section; and through docking first butt joint portion and second butt joint portion detachably, establish the filter screen subassembly clamp between first butt joint portion and second butt joint portion to the dismouting of the filter screen subassembly of being convenient for, and then be convenient for dismantle clearance or change the filter screen subassembly when the filter screen subassembly takes place to block up. Moreover, the filtering valve has simple structure, convenient and fast assembly and disassembly and time saving.

Simultaneously, be used for being connected with outside pipeline detachably through making first connection structure and second connection structure to filter valve spare detachably and connect in outside pipeline, thereby when the filter screen subassembly that filters the valve spare takes place to block up, can dismantle the filter valve spare by convenient and fast ground, on the one hand, can clear up or change filter valve spare is whole, and on the other hand, the filter screen subassembly that is convenient for further will filter the valve spare is dismantled and is washd or change. The filter screen valve member has good installation flexibility and convenient use, and can be replaced regularly.

In an optional aspect of the above filter valve, the first connecting structure is an external thread provided at a first end of the first pipe section; alternatively, the first connection structure is an internal thread provided at the first end of the first pipe section.

In an optional technical solution of the above-mentioned filter valve element, the second connecting structure is an external thread provided at the first end of the second pipe section; alternatively, the second connection structure is an internal thread provided at the first end of the second pipe section.

In an alternative embodiment of the filter valve member, the first butt-joint part is a first annular flange protruding from an outer peripheral wall of the second end of the first tube section, and the first annular flange is located at an end of the second end of the first tube section; the second butt joint portion is a second annular flange projecting from an outer peripheral wall of a second end of the second pipe section, the second annular flange being located at an end of the second pipe section; the peripheral edge of the screen assembly is sandwiched between the first annular flange and the second annular flange.

In an optional technical scheme of the filtering valve member, the filter screen assembly comprises a filter screen part and an installation part, and the installation part surrounds and is connected to the circumferential direction of the filter screen part; the mounting portion is interposed between the first annular flange and the second annular flange.

In an optional aspect of the above filter valve element, the filter valve element further comprises a plurality of connectors; the first annular flange is provided with a plurality of first connecting holes at intervals along the circumferential direction; the second annular flange is provided with a plurality of second connecting holes at intervals along the circumferential direction, and the plurality of second connecting holes correspond to the plurality of first connecting holes one to one; the mounting part is provided with a plurality of mounting holes at intervals along the circumferential direction, and the plurality of mounting holes correspond to the plurality of first connecting holes one to one; the connecting piece is arranged in the corresponding first connecting hole, the corresponding mounting hole and the corresponding second connecting hole in a penetrating manner, and the first pipe section, the second pipe section and the filter screen assembly are detachably connected.

In an optional technical solution of the above filter valve, an inner diameter of the first pipe section is equal to an inner diameter of the second pipe section; the diameter of the filter screen part is larger than or equal to the inner diameter of the first pipe section.

In an optional technical solution of the above-mentioned filter valve member, a plurality of the first connection holes are arranged at equal intervals along a circumferential direction of the first annular flange; the second connecting holes are arranged at equal intervals along the circumferential direction of the second annular flange; the mounting holes are arranged at equal intervals along the circumferential direction of the mounting part.

In an alternative embodiment of the above filter valve member, the connecting member is a bolt.

In an alternative embodiment of the above filtering valve member, the filter screen part includes multiple layers of filter screens arranged in a stacked manner.

In an alternative embodiment of the above-mentioned filter valve member, a seal gasket is disposed between the mounting portion and the first annular flange.

In an alternative embodiment of the above filter valve member, a gasket is disposed between the mounting portion and the second annular flange.

In a second aspect, the utility model provides a water heater, comprising a water heater main body, a water inlet pipeline, a water outlet pipeline and the filtering valve member as described in any one of the above; the water inlet pipeline is communicated with a water inlet of the water heater, and the water outlet pipeline is communicated with a water outlet of the water heater; the filtering valve is detachably connected to the water inlet pipeline; and/or the filter valve member is detachably connected to the water outlet pipeline.

As can be understood by those skilled in the art, the water heater provided by the utility model comprises a water heater main body, a water inlet pipeline, a water outlet pipeline and a filtering valve element; the water inlet pipeline is communicated with a water inlet of the water heater, and the water outlet pipeline is communicated with a water outlet of the water heater. Through will filtering valve member detachably and connecting on the water inlet pipe to not only can prevent the impurity in the rivers and get into the water heater, be favorable to protecting the water heater, be convenient for moreover dismantle when the filter screen subassembly that filters the valve member blocks up and wash or change. Through will filtering valve member detachably and connecting on going out the water pipe way to not only can prevent the impurity in the water heater and flow, be favorable to improving user's use and experience, be convenient for moreover dismantle when the filter screen subassembly that filters the valve member blocks up and wash or change.

Wherein, filter the valve member and include first pipeline section, second pipeline section and filter screen subassembly. Providing a first coupling feature at a first end of a first pipe segment and a first butt joint at a second end of the first pipe segment; a second connecting structure is arranged at the first end of the second pipe section, and a second butt joint part is arranged at the second end of the second pipe section; and through docking first butt joint portion and second butt joint portion detachably, establish the filter screen subassembly clamp between first butt joint portion and second butt joint portion to the dismouting of the filter screen subassembly of being convenient for, and then be convenient for dismantle clearance or change the filter screen subassembly when the filter screen subassembly takes place to block up. Moreover, the filtering valve has simple structure, convenient and quick assembly and disassembly, and saves time.

In addition to the technical problems solved by the embodiments of the present invention, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems solved by the embodiments of the present invention, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail in the detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a filter valve assembly according to an embodiment of the present invention;

FIG. 2 is an exploded view of a filter valve element according to one embodiment of the present invention;

FIG. 3 is a cross-sectional view of a filter valve member provided in accordance with one embodiment of the present invention;

fig. 4 is a schematic structural diagram of a screen assembly according to an embodiment of the present invention.

In the drawings:

100-a first pipe section; 110-a first connecting structure; 120-a first docking portion;

200-a second tube segment; 210-a second connection structure; 220-a second docking portion;

300-a screen assembly; 310-a screen section; 320-a mounting portion; 321-mounting holes;

400-connecting piece.

Detailed Description

In the related art, a water inlet of a water heater is connected to a water inlet pipeline, a water outlet of the water heater is connected to a water outlet pipeline, and a filter screen is usually fixedly disposed in the water inlet pipeline in order to prevent impurities in water from entering the water heater through the water inlet pipeline, or in order to prevent impurities in the water heater from flowing out along with water through the water outlet pipeline, or a filter screen is usually fixedly disposed in the water outlet pipeline to filter impurities in water flow.

However, in the related art, the filter screen is directly and fixedly connected to the water inlet pipeline or the water outlet pipeline, when the filter screen is clogged, the water inlet pipeline or the water outlet pipeline needs to be completely removed, and then the filter screen in the water inlet pipeline or the water outlet pipeline needs to be washed or replaced, so that the filter screen is inconvenient to remove and replace, and is time-consuming and labor-consuming.

In order to solve the technical problem, the utility model provides a filtering valve and a water heater. A first butt joint part is arranged at the second end of the first pipe section; a second connecting structure is arranged at the first end of the second pipe section, and a second butt joint part is arranged at the second end of the second pipe section; and through docking first butt joint portion and second butt joint portion detachably, establish the filter screen subassembly clamp between first butt joint portion and second butt joint portion to the dismouting of the filter screen subassembly of being convenient for, and then be convenient for dismantle clearance or change the filter screen subassembly when the filter screen subassembly takes place to block up. Moreover, the filtering valve has simple structure, convenient and quick assembly and disassembly, and saves time.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

FIG. 1 is a schematic diagram of a filter valve assembly according to an embodiment of the present invention; FIG. 2 is an exploded view of a filter valve element according to one embodiment of the present invention; FIG. 3 is a cross-sectional view of a filter valve member provided in accordance with one embodiment of the present invention; fig. 4 is a schematic structural diagram of a screen assembly according to an embodiment of the present invention.

Referring to fig. 1 to 4, the present embodiment provides a filter valve element.

For example, a filter valve may be connected to the water inlet and/or outlet lines of the water heater to filter the flow of water into and/or out of the water heater. Of course, the filter valve member can also be connected to the pipeline of other equipment which needs to filter water flow; alternatively, the filtering valve can be connected to the pipeline of the faucet so as to ensure the quality of water flowing out of the faucet.

The filter valve element of the present embodiment includes a first tube segment 100, a second tube segment 200, and a screen assembly 300. A first end of the first pipe segment 100 is provided with a first coupling structure 110, and a second end of the first pipe segment 100 is provided with a first docking portion 120; a first end of the second pipe segment 200 is provided with a second coupling structure 210 and a second end of the second pipe segment 200 is provided with a second interface portion 220. First butt joint portion 120 and second butt joint portion 220 detachably dock, and filter screen subassembly 300 presss from both sides and establishes between first butt joint portion 120 and second butt joint portion 220 to the dismouting of filter screen subassembly 300 of being convenient for, and then be convenient for dismantle clearance or change filter screen subassembly 300 when filter screen subassembly 300 takes place to block up. Moreover, the filtering valve has simple structure, convenient and fast assembly and disassembly and time saving.

The first connecting structure 110 and the second connecting structure 210 are used for being detachably connected with an external pipeline so as to detachably connect the filtering valve member in the external pipeline, so that when the filter screen assembly 300 of the filtering valve member is blocked, the filtering valve member can be conveniently and quickly detached, on one hand, the filtering valve member can be integrally cleaned or replaced, and on the other hand, the filter screen assembly 300 of the filtering valve member can be conveniently detached for cleaning or replacement. The filter screen valve member has good installation flexibility and convenient use, and can be replaced regularly.

Referring to fig. 1-3, in an alternative implementation, the first connection structure 110 is an external thread provided at the first end of the first pipe segment 100, i.e., an external thread provided on an outer surface of the first end of the first pipe segment 100. Alternatively, the first connection structure 110 is an internal thread provided at the first end of the first pipe segment 100, i.e., an internal thread provided at the inner surface of the first end of the first pipe segment 100.

In another alternative implementation, the first connection structure 110 is a clamping structure disposed at the first end of the first pipe segment 100, and the clamping structure is used for clamping connection with an external pipeline.

In specific implementation, the specific implementation manner of the first connection structure 110 may be determined according to the condition of the external pipeline to which the first connection structure 110 needs to be connected.

Referring to fig. 1-3, in an alternative implementation, the second connection structure 210 is external threads provided at the first end of the second pipe segment 200, i.e., external threads provided on the outer surface of the first end of the second pipe segment 200. Alternatively, the second connection structure 210 is an internal thread provided at the first end of the second pipe segment 200, i.e., an internal thread provided at the inner surface of the first end of the second pipe segment 200.

In another alternative implementation, the second connection structure 210 is a clamping structure disposed at the first end of the second pipe segment 200, and the clamping structure is used for clamping connection with an external pipeline.

In a specific implementation, the specific implementation manner of the second connection structure 210 may be determined according to the condition of the external pipeline to which the second connection structure 210 needs to be connected.

Referring to fig. 1-3, in an alternative implementation, the first docking portion 120 is a first annular flange projecting from the outer peripheral wall of the second end of the first pipe segment 100, the first annular flange being located at the end of the second end of the first pipe segment 100. The second docking portion 220 is a second annular flange projecting from the outer peripheral wall of the second end of the second tube segment 200, the second annular flange being located at the end of the second tube segment 200. The circumferential edge of screen assembly 300 is sandwiched between the first and second annular flanges. Thereby more reliably clamping screen assembly 300 between first tube segment 100 and second tube segment 200.

In another alternative implementation, the first docking portion 120 may be an end surface of the second end of the first pipe segment 100, the second docking portion 220 may be an end surface of the second end of the second pipe segment 200, and the circumferential edge of the screen assembly 300 is sandwiched between the end surface of the second end of the first pipe segment 100 and the end surface of the second end of the second pipe segment 200.

Referring to fig. 3 and 4, alternatively, the screen assembly 300 includes a screen section 310 and a mounting portion 320, the mounting portion 320 surrounding and attached to a circumference of the screen section 310; the mounting portion 320 is interposed between the first annular flange and the second annular flange. Not only may screen assembly 300 be more securely mounted between first and

second segments

100 and 200, but it may also facilitate improved screen shock resistance.

Referring to fig. 1-4, optionally, the filter valve member further comprises a plurality of connectors 400; the first annular flange is provided with a plurality of first connecting holes at intervals along the circumferential direction. The second annular flange is provided with a plurality of second connecting holes along circumference interval, and a plurality of second connecting holes and a plurality of first connecting hole one-to-one correspond. The mounting portion 320 is provided with a plurality of mounting holes 321 at intervals in a circumferential direction, and the plurality of mounting holes 321 correspond to the plurality of first connection holes one to one. The connector 400 is inserted into the corresponding first coupling hole, the mounting hole 321, and the second coupling hole, and detachably connects the first pipe segment 100, the second pipe segment 200, and the screen assembly 300. Thereby making the filter valve simple structure, easy dismounting.

Illustratively, the number of the first connecting holes, the second connecting holes and the mounting holes 321 may be set according to actual needs, and is not particularly limited herein.

In an alternative implementation manner, the plurality of first connecting holes are arranged at equal intervals along the circumferential direction of the first annular flange; the plurality of second connecting holes are arranged at equal intervals along the circumferential direction of the second annular flange; the plurality of mounting holes 321 are arranged at equal intervals in the circumferential direction of the mounting portion 320. Thereby being beneficial to ensuring that the circumferential parts of the filtering valve piece are uniformly sealed. The specific interval may be set according to actual needs, and is not particularly limited herein.

In another alternative implementation, the plurality of first connection holes may be arranged at unequal intervals in the circumferential direction of the first annular flange; the plurality of second connecting holes can be arranged at unequal intervals along the circumferential direction of the second annular flange; the plurality of mounting holes 321 may be arranged at unequal intervals in the circumferential direction of the mounting part 320. The specific interval can be set according to actual needs, and is not particularly limited herein.

Optionally, the inner diameter of first tube segment 100 is equal to the inner diameter of second tube segment 200, and first tube segment 100 and second tube segment 200 may be coaxially disposed, thereby facilitating smooth flow of liquid through the filter valve.

Optionally, the diameter of the screen portion 310 is greater than or equal to the inner diameter of the first pipe segment 100, and the screen portion 310 may be disposed coaxially with the first pipe segment 100, so as to avoid the installation portion 320 from blocking the flow area of the filtering valve element.

Illustratively, the connector 400 may be a bolt. Of course, the connecting member 400 can be selected or designed according to actual needs as long as the requirements of the present embodiment can be met, and will not be described herein again.

Optionally, the filter screen part 310 includes multiple layers of filter screens arranged in a stacked manner, and the mesh apertures of the multiple layers of filter screens may be the same or different, thereby facilitating the improvement of the filtering effect.

Optionally, a gasket is disposed between the mounting portion 320 and the first annular flange; and/or a gasket may be disposed between the mounting portion 320 and the second annular flange to facilitate sealing of the filter valve member.

In summary, the present embodiment provides a filtering valve assembly including a first pipe segment 100, a second pipe segment 200 and a screen assembly 300. Providing a first coupling 120 at a second end of the first pipe segment 100 by providing a first coupling structure 110 at a first end of the first pipe segment 100; providing a second coupling structure 210 at a first end of a second pipe segment 200 and a second interface 220 at a second end of the second pipe segment 200; and the first butt joint part 120 and the second butt joint part 220 are detachably butted, and the filter screen assembly 300 is clamped between the first butt joint part 120 and the second butt joint part 220, so that the filter screen assembly 300 is convenient to disassemble and assemble, and the filter screen assembly 300 is convenient to disassemble, clean or replace when the filter screen assembly 300 is blocked. Moreover, the filtering valve has simple structure, convenient and fast assembly and disassembly and time saving.

Meanwhile, the first connecting structure 110 and the second connecting structure 210 are used for being detachably connected with an external pipeline, so that the filtering valve can be detachably connected in the external pipeline, and when the filter screen assembly 300 of the filtering valve is blocked, the filtering valve can be conveniently and quickly detached, on one hand, the filtering valve can be integrally cleaned or replaced, and on the other hand, the filter screen assembly 300 of the filtering valve can be conveniently detached for cleaning or replacement. The filter screen valve member has good installation flexibility and convenient use, and can be replaced regularly.

Example two

On the basis of the first embodiment, the present embodiment provides a water heater. The water heater comprises a water heater main body, a water inlet pipeline, a water outlet pipeline and a filtering valve, wherein the water inlet pipeline is communicated with a water inlet of the water heater, and the water outlet pipeline is communicated with a water outlet of the water heater. The filtering valve is detachably connected to the water inlet pipeline; and/or the filtering valve member is detachably connected to the water outlet pipeline.

For example, the water heater of the present embodiment includes, but is not limited to, an electric water heater, a gas water heater, a solar water heater, a magnetic water heater, an air water heater, a heating water heater, and the like. The filter valve may be connected in the middle of the water inlet line, or the filter valve may be connected between the water inlet line and the water inlet of the water heater. The filtering valve can be connected between the water outlet pipeline or between the water outlet pipeline and the water outlet of the water heater

The filtering valve element of this embodiment has the same structure as the filtering valve element of the first embodiment, and can bring about the same or similar technical effects, and details are not described here, and reference may be specifically made to the first embodiment.

It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "inside", "outside", and the like are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or member in the present embodiment must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

It should also be noted that, unless expressly stated or limited otherwise, the terms "connected" and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A filter valve element comprising a first tube section, a second tube section and a screen assembly;

a first connecting structure is arranged at the first end of the first pipe section, and a first butt joint part is arranged at the second end of the first pipe section; a first end of the second pipe section is provided with a second connecting structure, and a second end of the second pipe section is provided with a second butt joint part;

the first butt joint part and the second butt joint part are detachably butted, and the filter screen assembly is clamped between the first butt joint part and the second butt joint part; the first connecting structure and the second connecting structure are used for being detachably connected with an external pipeline.

2. The filter valve member as recited in claim 1 wherein said first attachment structure is external threads disposed on a first end of said first tube segment; or the like, or, alternatively,

the first connection structure is an internal thread disposed at a first end of the first pipe segment.

3. The filter valve member as in claim 1 wherein said second attachment structure is an external thread disposed on a first end of said second tube segment; or the like, or, alternatively,

the second connection structure is an internal thread disposed at the first end of the second pipe section.

4. A filter valve member as claimed in any one of claims 1 to 3 wherein said first abutment is a first annular flange projecting from the outer peripheral wall of the second end of said first tube section, said first annular flange being located at the end of the second end of said first tube section;

the second butt joint portion is a second annular flange projecting from a second end peripheral wall of the second tube segment, the second annular flange being located at an end of the second tube segment;

the peripheral edge of the screen assembly is sandwiched between the first and second annular flanges.

5. A filter valve element according to claim 4 wherein the screen assembly includes a screen portion and a mounting portion which surrounds and is attached to the screen portion in the circumferential direction;

the mounting portion is interposed between the first annular flange and the second annular flange.

6. The filter valve member of claim 5, further comprising a plurality of connectors;

the first annular flange is provided with a plurality of first connecting holes at intervals along the circumferential direction; the second annular flange is provided with a plurality of second connecting holes at intervals along the circumferential direction, and the plurality of second connecting holes correspond to the plurality of first connecting holes one to one; the mounting part is provided with a plurality of mounting holes at intervals along the circumferential direction, and the plurality of mounting holes correspond to the plurality of first connecting holes one to one;

the connecting piece is arranged in the corresponding first connecting hole, the corresponding mounting hole and the corresponding second connecting hole in a penetrating manner, and the first pipe section, the second pipe section and the filter screen assembly are detachably connected.

7. The filter valve member of claim 5 wherein the inner diameter of said first tube segment and the inner diameter of said second tube segment are equal;

the diameter of the filter screen part is larger than or equal to the inner diameter of the first pipe section.

8. The filter valve member as in claim 6, wherein a plurality of said first connection holes are equally spaced circumferentially of said first annular flange; the second connecting holes are arranged at equal intervals along the circumferential direction of the second annular flange; the mounting holes are arranged at equal intervals along the circumferential direction of the mounting part; and/or the presence of a gas in the atmosphere,

the connecting piece is a bolt.

9. A filter valve element as claimed in claim 5, in which the screen portion comprises a plurality of layers of screen arranged in a stack; and/or the presence of a gas in the atmosphere,

a sealing gasket is arranged between the mounting part and the first annular flange; and/or the presence of a gas in the atmosphere,

and a sealing gasket is arranged between the mounting part and the second annular flange.

10. A water heater comprising a water heater body, a water inlet line, a water outlet line and a filter valve element as claimed in any one of claims 1 to 9; the water inlet pipeline is communicated with a water inlet of the water heater, and the water outlet pipeline is communicated with a water outlet of the water heater;

the filtering valve is detachably connected to the water inlet pipeline; and/or the presence of a gas in the gas,

the filtering valve element is detachably connected to the water outlet pipeline.