CN113028089A

CN113028089A - Valve with multiple sealing structure and convenient to disassemble and assemble

Info

Publication number: CN113028089A
Application number: CN202110234070.3A
Authority: CN
Inventors: 陈成豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-06-25

Abstract

The invention discloses a valve with a multiple sealing structure and convenient to disassemble and assemble, and relates to the technical field of valves, in particular to a flat-bottom valve seat and an upper sealing valve cover. This valve with multiple seal structure dismouting of being convenient for, flat bed formula disk seat upper end is provided with three upper seal valve gap and carries out multiple sealed reinforcement, can realize the switch closure operation of this valve through controlling one of them, the control that runs through movable connecting screw through three independent control's upper seal valve gap middle part makes the sealed effect that not only can effectively improve whole valve, even also need not dismantle the change under the single condition of damage, corresponding upper seal valve gap is provided with the sealing washer with flat bed formula disk seat looks fixed connection's position and further reinforces, guarantee the inside water proofness of this valve.

Description

Valve with multiple sealing structure and convenient to disassemble and assemble

Technical Field

The invention relates to the technical field of valves, in particular to a valve with a multiple sealing structure and convenient to disassemble and assemble.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). The valve can be divided into a shut-off valve, a check valve, a regulating valve and the like according to functions, is a control part in a fluid conveying system, and has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like.

The existing valve has the defects of poor sealing performance, severe abrasion and damage easily caused in long-term opening and closing work, poor water tightness, liquid leakage and inconvenience in disassembly and assembly, and therefore the valve with the multiple sealing structures and convenient to disassemble and assemble is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a valve with a multiple sealing structure and convenient to disassemble and assemble, and solves the problems that the existing valve in the background art is poor in sealing performance, is easy to cause serious abrasion damage in long-term opening and closing work, causes poor water tightness, generates liquid leakage and is inconvenient to disassemble and assemble.

In order to achieve the purpose, the invention is realized by the following technical scheme: a valve with multiple sealing structures and convenient to disassemble and assemble comprises a flat-bottom valve seat and an upper sealing valve cover, wherein two ends of the flat-bottom valve seat are provided with connecting valve ports, the outer ends of the connecting valve ports are fixedly provided with a flange disc assembly, the left end of the flange disc assembly is connected with a water inlet pipe, a circulation cavity is formed in the flat-bottom valve seat, the middle end in the flat-bottom valve seat is fixedly provided with a valve cutting member, the opening of the valve cutting member is connected with an anti-abrasion gasket ring, the upper sealing valve cover is fixed at the upper end of the flat-bottom valve seat, the flat-bottom valve seat is connected with the upper sealing valve cover through a reinforcing bolt, the lower end in the upper sealing valve cover is connected with a sealing ring, a connecting screw rod penetrates through the middle part of the upper sealing valve cover, the top end of the connecting screw, the embedded groove is internally connected with an O-shaped ring, the bottom end of the connecting screw rod is fixedly provided with a rubber-coated valve core, a built-in copper nut is arranged in the middle of the upper end of the rubber-coated valve core, a circulation groove is formed in the middle of the rubber-coated valve core, and a drain valve is arranged at the lower end of the middle of the flat-bottom valve seat.

Optionally, the flange plate assembly comprises a flange plate body, an inner nesting, an internal thread, an anti-falling buckle plate, a notch and a sealing ring, the inner nesting is arranged inside the flange plate body, the internal thread is arranged inside the inner nesting, the anti-falling buckle plate is fixed at the rear end of the inner nesting, the notch is formed inside the inner nesting, and the sealing ring is connected inside the notch.

Optionally, the central axis of the flange body and the central axis of the inner nesting are in the same horizontal line, the inner nesting is in an open ring shape, and a semi-surrounding structure is formed between the inner nesting and the sealing ring.

Optionally, the inlet tube structure size coincide with the notch inner orifice structure size each other, and the inlet tube runs through inside the notch, and the inlet tube is the screw thread with interior nestification moreover and connects soon.

Optionally, the outer side connecting surface of the anti-abrasion gasket is attached to the inner wall connecting surface of the valve stopping member, the anti-abrasion gasket and the valve stopping member are of an embedded structure, the anti-abrasion gasket is annular, the size of the opening structure of the anti-abrasion gasket is matched with that of the outer opening structure of the rubber-coated valve element, and the anti-abrasion gasket is of an elastic structure.

Optionally, the number of the upper sealing valve covers is three, the upper sealing valve covers form a fixing structure through the reinforcing bolt and the flat-bottom valve seat, and the upper sealing valve covers form a full-surrounding structure through the flat-bottom valve seat and the sealing ring.

Optionally, connecting screw runs through inside flat formula disk seat, and is swing joint between connecting screw and the flat formula disk seat, and the caulking groove is equidistance in the connecting screw outward appearance and distributes moreover to the caulking groove internal orifice structure size coincide each other with the internal orifice structure size of O type circle, and O type circle has threely simultaneously.

Optionally, the locking wheel is screwed with the connecting screw in a threaded manner, the connecting screw penetrates through the middle of the locking wheel, the locking wheel is in a cam shape, and the locking wheel and the upper sealing valve cover form a fixing structure through external threads.

Optionally, a circulation groove penetrates through the middle of the rubber-coated valve core, and a communication structure is formed between the circulation cavity and the water inlet pipe through the valve stopping part and the circulation groove.

The invention provides a valve with a multiple sealing structure and convenient assembly and disassembly, which has the following beneficial effects:

1. this valve with multiple seal structure dismouting of being convenient for, the inside swing joint of ring flange body has the interior nestification of laminating each other, and the annular notch has been seted up to interior nestification inside, be convenient for accept the inlet tube, thereby it is fixed mutually with the inlet tube in carrying out the spiral when settling, consolidate inlet tube and flat bed formula disk seat, do not need rotatory whole valve to adjust the installation, improve the convenient degree of its installation, need not to fix a position also can guarantee good sealed effect through the ring flange body when settling temporarily, make its whole dismouting side.

2. This valve with multiple seal structure dismouting of being convenient for, the abrasionproof packing ring of laminating each other with valve member inner wall connection face plays sealed reinforced effect, on the one hand the rubber coating case can strictly paste tight rubber coating case for the rubber coating case is strictly sealed with the opening of valve member, guarantees the water proofness when this valve closes, and the prevention takes place the weeping, on the other hand reduces its friction degree at the in-process of rubber coating case rotation activity, plays the guard action, prevents that its wearing and tearing seriously leads to its water proofness effect not good, improves its life.

3. The valve with the multiple sealing structure and convenient to disassemble and assemble is characterized in that three upper sealing valve covers are arranged at the upper end of a flat-bottom type valve seat to perform multiple sealing reinforcement, two of the upper sealing valve covers are opened in the normal use process, the opening and closing operation of the valve can be realized by controlling one of the upper sealing valve covers, the valve is easy to generate abrasion damage in the long-time use process, so that the valve is easy to leak, and further only the valve can be disassembled and replaced to cause serious waste, the sealing effect of the whole valve can be effectively improved by controlling the movable connecting screw rods penetrating through the middle parts of the three independently controlled upper sealing valve covers, the disassembly and replacement are not needed even if a single valve is damaged, the service life of the valve is prolonged, the sealing rings are arranged at the parts fixedly connected with the flat-bottom type valve seat correspondingly to further reinforce, and the, the use effect is improved.

4. This valve with multiple seal structure dismouting of being convenient for, when single connecting screw carries out control flap or has rubber coating case to take place to damage unable use, for the influence that prevents it and this valve's normal use of factors such as water pressure, it is fixed a position rather than the connecting screw who is connected, through the spiral gliding of locking wheel in connecting screw upper end surface, and then make the screw thread in the locking wheel lower extreme outside and upper seal valve gap upper end opening thread looks spiral fixation, and then fix a position connecting screw, make it unable to stir, high durability and convenient use.

5. This valve with multiple seal structure dismouting of being convenient for, last sealed valve gap and flat formula disk seat junction that connecting screw rod runs through all are provided with O type circle and consolidate, prevent that its activity opening part from taking place serious weeping phenomenon, improve its water proofness, and O type circle is provided with threely, carry out multiple sealing treatment to this valve body inside, this elasticity O type circle is when connecting screw rod moves about simultaneously, can carry out certain elastic support through the extrusion elastic action on its surface, and then carry out damping action to connecting screw rod, it is more accurate when making the user stir through the swing handle, the rubber coating case opening size of stirring is controlled more easily.

Drawings

FIG. 1 is a schematic view of the internal structure of the flat bottom seat of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a side view of the flange assembly of the present invention;

FIG. 4 is a schematic view of a connecting screw according to the present invention;

FIG. 5 is a schematic diagram of a side view connection structure of the shut-off valve element and the encapsulated valve element of the present invention;

fig. 6 is a schematic diagram of the overall splicing structure of the present invention.

In the figure: 1. a flat bottom valve seat; 2. connecting the valve port; 3. a flange assembly; 301. the flange plate body; 302. nesting; 303. an internal thread; 304. an anti-drop buckle plate; 305. grooving; 306. a seal ring; 4. a water inlet pipe; 5. a flow-through cavity; 6. a shut-off valve member; 7. an anti-wear washer; 8. an upper sealing valve cover; 9. a seal ring; 10. reinforcing the bolt; 11. connecting a screw rod; 12. turning a handle; 13. a locking wheel; 14. an external thread; 15. caulking grooves; 16. an O-shaped ring; 17. encapsulating the valve core; 18. a copper nut is arranged inside; 19. a circulation tank; 20. and (4) draining the water valve.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, the present invention provides a technical solution: a valve with multiple sealing structures and convenient to disassemble and assemble comprises a flat-bottom valve seat 1, a connecting valve port 2, a flange plate assembly 3, a flange plate body 301, an inner nesting 302, an internal thread 303, an anti-dropping pinch plate 304, a notch 305, a sealing ring 306, a water inlet pipe 4, a circulation cavity 5, a valve blocking member 6, an anti-abrasion gasket 7, an upper sealing valve cover 8, a sealing ring 9, a reinforcing bolt 10, a connecting screw rod 11, a rotating handle 12, a locking wheel 13, an external thread 14, an embedded groove 15, an O-shaped ring 16, a rubber-coated valve core 17, a built-in copper nut 18, a circulation groove 19 and a drain valve 20, wherein the connecting valve port 2 is arranged at two ends of the flat-bottom valve seat 1, the flange plate assembly 3 is fixed at the outer end of the connecting valve port 2, the flange plate assembly 3 comprises the flange plate body 301, the inner nesting 302, the internal thread, the inner nesting 302 is internally provided with internal threads 303, the rear end of the inner nesting 302 is fixedly provided with an anti-falling buckle plate 304, the inner nesting 302 is internally provided with a slotted opening 305, the slotted opening 305 is internally connected with a sealing ring 306, the left end of the flange plate component 3 is connected with a water inlet pipe 4, the central axis of the flange plate body 301 and the central axis of the inner nesting 302 are positioned at the same horizontal line, the inner nesting 302 is in an open ring shape, the structural dimension of the water inlet pipe 4 in a semi-enclosed structure between the inner nesting 302 and the sealing ring 306 is mutually matched with the structural dimension of the inner opening of the slotted opening 305, the water inlet pipe 4 penetrates through the inner slotted opening 305, the water inlet pipe 4 and the inner nesting 302 are in a threaded rotary connection mode, the inner nesting 302 which is mutually matched is movably connected inside the flange plate body 301, the annular slotted opening 305 is arranged inside the, the water inlet pipe 4 and the flat-bottom valve seat 1 are reinforced, the whole valve does not need to be rotated for adjustment and installation, the installation convenience degree is improved, and a good sealing effect can be ensured without positioning through the flange plate body 301 during temporary installation, so that the whole valve is convenient to disassemble and assemble;

a circulation cavity 5 is arranged in a flat-bottom valve seat 1, a cut valve piece 6 is fixed at the middle end in the flat-bottom valve seat 1, an opening of the cut valve piece 6 is connected with an anti-abrasion gasket 7, the outer side connecting surface of the anti-abrasion gasket 7 is mutually attached to the inner wall connecting surface of the cut valve piece 6, the anti-abrasion gasket 7 and the cut valve piece 6 are in an embedded structure, the anti-abrasion gasket 7 is in a ring shape, the opening structure size of the anti-abrasion gasket 7 is mutually matched with the outer opening structure size of an encapsulated valve core 17, meanwhile, the anti-abrasion gasket 7 is in an elastic structure, the anti-abrasion gasket 7 mutually attached to the inner wall connecting surface of the cut valve piece 6 plays a role in sealing and reinforcing, on one hand, the encapsulated valve core 17 can strictly attach the encapsulated valve core 17, so that the opening of the encapsulated valve core 17 and the cut valve piece 6 is strictly sealed, the water tightness of the valve when the valve is closed, the protective effect is achieved, the problem that the water tightness is poor due to serious abrasion is prevented, and the service life of the waterproof rubber belt is prolonged;

the upper sealing valve covers 8 are fixed at the upper end of the flat-bottom type valve seat 1, the flat-bottom type valve seat 1 is connected with the upper sealing valve covers 8 through reinforcing bolts 10, the number of the upper sealing valve covers 8 is three, the upper sealing valve covers 8 form a fixed structure with the flat-bottom type valve seat 1 through the reinforcing bolts 10, the upper sealing valve covers 8 form a full-enclosure structure with the flat-bottom type valve seat 1 and a sealing ring 9, the upper end of the flat-bottom type valve seat 1 is provided with three upper sealing valve covers 8 for multiple sealing reinforcement, two of the upper sealing valve covers 8 are opened in the process of normal use, the opening and closing operation of the valve can be realized by controlling one of the upper sealing valve covers, the valve is easy to generate abrasion damage in the process of long-time use, the valve is easy to generate liquid leakage, and further only the valve can be disassembled and replaced, serious waste is caused, the sealing effect of the whole valve can be effectively, even if a single valve is damaged, the valve does not need to be disassembled and replaced, the service life of the valve is prolonged, and the sealing ring 9 is arranged at the part, fixedly connected with the flat-bottom valve seat 1, of the upper sealing valve cover 8 for further reinforcement, so that the water tightness inside the valve is ensured, and the use effect is improved;

the lower end of the inner part of the upper sealing valve cover 8 is connected with a sealing ring 9, the middle part of the upper sealing valve cover 8 is penetrated with a connecting screw rod 11, the top end of the connecting screw rod 11 is provided with a rotary handle 12, the outer side of the upper end of the connecting screw rod 11 is connected with a locking wheel 13, the locking wheel 13 is screwed with the connecting screw rod 11 in a thread way, the connecting screw rod 11 penetrates through the middle part of the locking wheel 13, the locking wheel 13 is in a cam shape, the locking wheel 13 forms a fixed structure with the upper sealing valve cover 8 through an external thread 14, when a single connecting screw rod 11 controls the valve or a rubber-coated valve core 17 is damaged and cannot be used, in order to prevent the valve from being influenced by factors such as water pressure and the like and the normal use of the valve, the connecting screw rod 11 connected with the connecting screw rod needs to be positioned and fixed, the locking wheel 13 slides downwards on the outer surface of the upper end of the connecting, the connecting screw rod 11 is positioned, so that the connecting screw rod cannot be shifted, and the use is convenient;

the outer side of the connecting screw rod 11 is provided with an external thread 14, the surface of the connecting screw rod 11 is provided with an embedded groove 15, the inside of the embedded groove 15 is connected with an O-shaped ring 16, the bottom end of the connecting screw rod 11 is fixed with an encapsulated valve core 17, the connecting screw rod 11 penetrates through the flat-bottom valve seat 1, the connecting screw rod 11 and the flat-bottom valve seat 1 are movably connected, the outer surfaces of the embedded grooves 15 and the connecting screw rod 11 are distributed equidistantly, the structural size of the inner opening of the embedded groove 15 is matched with that of the inner opening of the O-shaped ring 16, the number of the O-shaped rings 16 is three, the connecting parts of the upper sealing valve cover 8 and the flat-bottom valve seat 1 through which the connecting screw rod 11 penetrates are provided with the O-shaped rings 16 for reinforcement, so that the serious liquid leakage phenomenon at the movable opening part is prevented, the water tightness of the connecting screw rod is improved, the number, certain elastic support can be carried out through the extrusion elastic action of the surface of the rubber-coated valve core, and further the damping action is carried out on the connecting screw rod 11, so that a user can more accurately stir the rubber-coated valve core through the rotating handle 12, and the opening size of the stirred rubber-coated valve core 17 can be more easily controlled;

the middle part of the upper end of the rubber-coated valve core 17 is provided with a built-in copper nut 18, the middle part of the rubber-coated valve core 17 is provided with a circulation groove 19, the lower end of the middle part of the flat-bottom valve seat 1 is provided with a drain valve 20, the circulation groove 19 penetrates through the middle part of the rubber-coated valve core 17, the circulation cavity 5 is communicated with a water inlet pipe 4 through a valve cutting part 6, a communicated structure is formed between the circulation groove 19 and the water inlet pipe 4, the rubber-coated valve core 17 is driven to move along with the turnover of the rubber-coated valve core 17 through the shifting of the connecting screw rod 11, the circulation groove 19 formed in the middle part of the rubber-coated valve core is communicated with the circulation cavity 5, water flow is further guided out, the valve is opened and closed, the rubber-coated valve core 17 and the connecting screw rod 11 which.

In conclusion, when the valve with the multiple sealing structure and convenient to disassemble and assemble is used, firstly, a user stirs the rotary handle 12 to drive the connecting screw rod 11 to move, the upper end of the flat-bottom valve seat 1 is provided with three upper sealing valve covers 8 for multiple sealing reinforcement, two of the upper sealing valve covers are opened in the normal use process, the opening and closing operation of the valve can be realized by controlling one of the upper sealing valve covers, the valve is easy to be worn and damaged in the long-time use process, so that liquid leakage occurs to the valve, and the valve can only be disassembled and replaced, which causes serious waste, the sealing effect of the whole valve can be effectively improved by controlling the movable connecting screw rod 11 penetrating through the middle parts of the three independently controlled upper sealing valve covers 8, the disassembly and replacement are not needed even if a single upper sealing valve cover is damaged, the service life of the valve is prolonged, and the sealing ring 9 is arranged at the part fixedly connected with the flat, the water tightness in the valve is ensured, the use effect is improved, three O-shaped rings 16 are arranged at the joints of an upper sealing valve cover 8 and a flat-bottom valve seat 1 which are penetrated through by a connecting screw rod 11 for reinforcement, so that the serious liquid leakage phenomenon at the movable opening of the connecting screw rod is prevented, the water tightness of the valve is improved, the O-shaped rings 16 are arranged in three numbers, the multiple sealing treatment is carried out on the interior of the valve body, meanwhile, when the connecting screw rod 11 moves, the elastic O-shaped rings 16 can carry out certain elastic support through the extrusion elastic action on the surface of the elastic O-shaped rings, further, the connecting screw rod 11 is subjected to a damping action, so that a user can more accurately stir the connecting screw rod 12 through the rotating handle 12, the opening size of a stirring rubber-coated valve core 17 is more easily controlled, and when a single connecting screw rod 11 is used for controlling the valve or the rubber-coated valve core 17, the connecting screw rod 11 connected with the connecting screw rod needs to be positioned and fixed, the locking wheel 13 slides downwards in a spiral mode on the outer surface of the upper end of the connecting screw rod 11, so that threads on the outer side of the lower end of the locking wheel 13 are spirally fixed with opening threads on the upper end of the upper sealing valve cover 8, the connecting screw rod 11 is positioned and cannot be shifted, the use is convenient, the inner part of the corresponding flange plate body 301 is movably connected with the inner nesting 302 which is mutually attached, an annular notch 305 is formed in the inner nesting 302 and is convenient to accept the water inlet pipe 4, the spiral inner nesting 302 is carried out when the connecting screw rod is arranged so as to be fixed with the water inlet pipe 4, the water inlet pipe 4 and the flat-bottom type valve seat 1 are reinforced, the whole valve does not need to be rotated to be adjusted and installed, the convenience degree of installation of the connecting screw rod is improved, the integral assembly and disassembly are convenient, the anti-abrasion gasket 7 which is mutually attached to the connecting surface of the inner wall of the valve stopping part 6 plays a role in sealing and reinforcing, on one hand, the rubber-coated valve core 17 can be tightly attached to the rubber-coated valve core 17, so that the rubber-coated valve core 17 is tightly sealed with the opening of the valve stopping part 6, the water tightness of the valve when the valve is closed is ensured, liquid leakage is prevented, on the other hand, the friction degree of the rubber-coated valve core 17 is reduced in the rotating process, the protection effect is achieved, the water tightness effect is not good due to serious abrasion is prevented, the service life of the valve is prolonged, when liquid leakage occurs, a user can also turn on the drain valve 20 to discharge residual water and impurities in the valve, meanwhile, the connecting screw rod 11 is pulled to drive the rubber-coated valve core 17 to turn over along with the middle part of the rubber-coated valve core, so that the provided, in order to prevent the rubber-coated valve core 17 and the connecting screw rod 11 which are spirally fixed through the built-in copper nut 18 from loosening and falling off when being stirred, the spiral direction of the connection between the rubber-coated valve core and the connecting screw rod is opposite to the stirring direction, and the connection part between the rubber-coated valve core and the connecting screw rod is provided with a micro bolt for reinforcing the connection tightness between the rubber-coated valve core and the connecting screw rod.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a valve convenient to dismouting with multiple seal structure, includes flat bed formula disk seat (1) and upper seal valve gap (8), its characterized in that: the flat-bottom type valve seat is characterized in that two ends of the flat-bottom type valve seat (1) are provided with connecting valve ports (2), the outer end of each connecting valve port (2) is fixedly provided with a flange plate component (3), the left end of each flange plate component (3) is connected with a water inlet pipe (4), a circulation cavity (5) is formed in the flat-bottom type valve seat (1), the middle end of the inner part of the flat-bottom type valve seat (1) is fixedly provided with a valve cutting component (6), the opening part of the valve cutting component (6) is connected with an anti-abrasion gasket (7), the upper sealing valve cover (8) is fixed at the upper end of the flat-bottom type valve seat (1), the flat-bottom type valve seat (1) is connected with the upper sealing valve cover (8) through a reinforcing bolt (10), the lower end of the inner part of the upper sealing valve cover (8) is connected with a sealing ring (9), the middle part of the upper sealing valve cover (, external threads (14) have been seted up in connecting screw (11) outside, and connecting screw (11) surface has seted up caulking groove (15), caulking groove (15) internal connection has O type circle (16), and connecting screw (11) bottom mounting has rubber coating case (17), rubber coating case (17) upper end middle part is provided with built-in copper nut (18), and rubber coating case (17) middle part has seted up circulation groove (19), flat bed formula disk seat (1) middle part lower extreme is provided with drain valve (20).

2. The valve with multiple sealing structures for easy assembly and disassembly according to claim 1, wherein: the flange plate assembly (3) comprises a flange plate body (301), an inner nesting (302), an internal thread (303), an anti-falling buckle plate (304), a notch (305) and a sealing ring (306), wherein the flange plate body (301) is internally provided with the inner nesting (302), the internal thread (303) is arranged inside the inner nesting (302), the anti-falling buckle plate (304) is fixed at the rear end of the inner nesting (302), the notch (305) is arranged inside the inner nesting (302), and the sealing ring (306) is connected inside the notch (305).

3. The valve with multiple sealing structures for easy assembly and disassembly according to claim 2, wherein: the central axis of the flange plate body (301) and the central axis of the inner nesting (302) are positioned on the same horizontal line, the inner nesting (302) is in an open ring shape, and a semi-surrounding structure is formed between the inner nesting (302) and the sealing ring (306).

4. A valve with multiple sealing structure for easy assembly and disassembly according to claims 1-2, wherein: the structure size of the water inlet pipe (4) is matched with the structure size of the inner opening of the notch opening (305), the water inlet pipe (4) penetrates through the inside of the notch opening (305), and the water inlet pipe (4) is in threaded screwed connection with the inner nesting sleeve (302).

5. The valve with multiple sealing structures for easy assembly and disassembly according to claim 1, wherein: the outer side connecting surface of the anti-abrasion gasket (7) is attached to the inner wall connecting surface of the valve cutting element (6), the anti-abrasion gasket (7) and the valve cutting element (6) are of an embedded structure, the anti-abrasion gasket (7) is annular, the opening structure size of the anti-abrasion gasket (7) is matched with the outer opening structure size of the rubber-coated valve core (17), and the anti-abrasion gasket (7) is of an elastic structure.

6. The valve with multiple sealing structures for easy assembly and disassembly according to claim 1, wherein: the upper seal valve cover (8) is provided with threely, and constitutes fixed knot structure between upper seal valve cover (8) through reinforcing bolt (10) and flat bed formula disk seat (1), constitutes full enclosure structure between upper seal valve cover (8) through flat bed formula disk seat (1) and sealing washer (9) moreover.

7. The valve with multiple sealing structures for easy assembly and disassembly according to claim 1, wherein: connecting screw (11) run through inside flat bed formula disk seat (1), and be swing joint between connecting screw (11) and flat bed formula disk seat (1), caulking groove (15) are the equidistance in connecting screw (11) surface and distribute moreover to the structure size of mouthful is identical each other in caulking groove (15) interior mouthful structure size and O type circle (16), and O type circle (16) have threely simultaneously.

8. The valve with multiple sealing structures for easy assembly and disassembly according to claim 1, wherein: the locking wheel (13) is screwed with the connecting screw rod (11) in a threaded manner, the connecting screw rod (11) penetrates through the middle of the locking wheel (13), the locking wheel (13) is in a cam shape, and the locking wheel (13) forms a fixed structure with the upper sealing valve cover (8) through the external thread (14).

9. The valve with multiple sealing structures for easy assembly and disassembly according to claim 1, wherein: a circulation groove (19) penetrates through the middle of the rubber-coated valve core (17), and a communication structure is formed between the circulation cavity (5) and the water inlet pipe (4) through the valve cutting part (6) and the circulation groove (19).