CN210623704U

CN210623704U - Multifunctional angle valve

Info

Publication number: CN210623704U
Application number: CN201921242320.2U
Authority: CN
Inventors: 杨洪伟; 胡渡; 郑松涛
Original assignee: DOUBLE-LIN CORP
Current assignee: DOUBLE-LIN CORP
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-05-26
Anticipated expiration: 2029-08-01
Also published as: WO2021017917A1

Abstract

The utility model provides a multi-functional angle valve belongs to valve technical field. The problem that it was solved is how to improve life when richening the angle valve function. This multi-functional angle valve includes that the lower extreme has the valve body of play water end for end and lateral part of intaking, is equipped with in the valve body and crosses the water hole and can control the case subassembly that the water hole opened and close that cross that end and play water end are linked together, intakes and is equipped with non return mechanism in the port of end, still is equipped with the mounting hole of tilt up on the end outer peripheral face of intaking, and mounting hole department has linked firmly the water hammer annihilator, runs through on the play water end outer peripheral face and is provided with lower extreme confined locating hole, is provided with filtering component in the locating hole, filtering component includes end cap and filter screen, end cap and filter screen fixed connection, end cap threaded connection in the upper port of locating hole. This multi-functional angle valve has promoted life greatly when increasing the function.

Description

Multifunctional angle valve

Technical Field

The utility model belongs to the technical field of the valve, a angle valve is related to, especially, relate to a multi-functional angle valve.

Background

The application of angle valves is very common in our daily lives. However, problems have been encountered during human use, in which water hammer, which is usually caused by the sudden shut-off and stop of a valve, a faucet or a water pump, occurs in a sealed pipe when the flow rate of water is suddenly increased or decreased in a very short time. The water hammer phenomenon causes the extension of overpressure and underpressure in the pipes, thus generating a loud noise and even the damage of the system components.

Along with the development of science and technology, angle valves with a filtering function are also available in the market. As in application No.: 201621384580.X describes an angle valve with a check and filter function. But the filter screen is not easy to disassemble, and the whole water outlet end needs to be disassembled when the filter screen is disassembled and cleaned, so that the cleaning and the installation are inconvenient.

Therefore, the problem to be solved is not very slow at present.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide an angle valve of area filtration and waterproof hammer, the technical problem that solve is how to improve life in the function of abundant angle valve.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a multi-functional angle valve, includes that the lower extreme has the valve body of outlet end for end and lateral part of intaking, is equipped with in the valve body and crosses the water hole that end and outlet end are linked together and can control the case subassembly that the water hole opened and close, the port of end of intaking is equipped with non return mechanism, it still is equipped with the mounting hole of tilt up on the outer peripheral face to intake, mounting hole department has linked firmly the water hammer annihilator, it is provided with lower extreme confined locating hole to run through on the outer peripheral face of outlet end, the locating hole axis is perpendicular with the outlet end axis, and the locating hole diameter will be greater than the outlet end internal diameter, be provided with filter assembly in the locating hole, filter assembly includes end cap and filter screen, end cap and filter screen fixed connection, end cap threaded connection is in the upper port of locating hole.

The non-return mechanism is arranged in the port of the water inlet end and can prevent the water inlet end from being cut off, so that water flow in the pipeline flows backwards, the equipment is damaged due to the dry pumping phenomenon, and the safety in use is greatly improved. The non-return mechanism can also play a role in buffering to a certain extent, and plays a certain role in eliminating the water hammer. The installation hole is formed in the outer side face of the water inlet end, and the installation hole is obliquely formed in the outer side of the water inlet end, so that the space occupancy rate of the valve body can be greatly reduced, and the applicability to various installation environments is improved. The mounting hole inclines to the valve body direction, can reduce the construction degree of difficulty of workman's installation multifunctional valve, lets intake end and pipeline butt joint not influenced by water hammer annihilator, improves the installation effectiveness. The water hammer eliminator is in threaded connection with the mounting hole, and the water hammer eliminator can effectively eliminate shock waves such as water hammers, so that the safety of the valve body is greatly improved, and the service life of the valve body is greatly prolonged. The check mechanism and the water hammer eliminator are arranged on the water inlet end, so that the water hammer can be eliminated in the water inlet end, and the valve core assembly or the equipment at the water outlet end in butt joint can not be damaged. The water hammer eliminator and the non-return mechanism can eliminate shock waves, greatly improves the working efficiency and the safety of the valve body, can eliminate the noise generated by shock waves such as torrent and the like through the valve body, and has good practicability.

The water outlet end is provided with a positioning hole, and the filtering component is arranged in the positioning hole. The filter assembly comprises end cap and filter screen, filter screen and locating hole clearance fit, the aperture of locating hole is about slightly to be greater than out water end radial diameter, the benefit that sets up like this is, the filter screen can radially cut whole water end that goes out, make rivers only can flow through the filter screen and go out water end again, can filter impurity completely, the locating hole axis is perpendicular with play water end axis, make the filter screen install in the locating hole, the filter screen axis is also perpendicular with play water end axis, make rivers just to the filter screen, set up the resistance that can effectively reduce rivers and flow through the filter screen like this, make rivers unobstructed, prevent that the abnormal sound from producing. The filter screen sets up in the locating hole and the filter screen lower extreme supports with the diapire of locating hole and leans on, sets up like this and makes the filter screen difficult by rivers towards askew or wash out bad, and filter screen own structural strength is just not very high, its upper end and end cap lower extreme fixed connection, and the lower extreme supports with the locating hole diapire again and leans on, can make the filter screen firmly fix in the play water end, promotes structural strength greatly, and valve body life obtains promoting.

In foretell a multi-functional angle valve, water hammer annihilator is including shell and the core that has the inner chamber, and the shell lower extreme is equipped with the water conservancy diversion hole, and port aperture is greater than port aperture under the water conservancy diversion hole on the water conservancy diversion hole, the core sets up and is close to water conservancy diversion hole upper end department at the inner chamber, and the core can slide for the shell along the direction of seting up of water conservancy diversion hole, be equipped with the annular groove on the core outer peripheral face, be equipped with seal ring in the annular groove, seal ring outer peripheral face and inner chamber inner wall are supported and are leaned on to form sealedly, and the core is equipped with the arch on the side that is close to water conservancy diversion hole one end, is equipped with the lightening groove on the side that the core deviates from water conservancy diversion.

The shell of water hammer annihilator is the tubular structure, and the lower extreme of shell has the water conservancy diversion hole, and the water conservancy diversion hole still is equipped with threaded connection portion with inner chamber and mounting hole intercommunication on the terminal surface under the shell, and its effect lies in carrying out threaded connection with the mounting hole. The threaded connection part is also provided with a connection hole which is used for communicating the diversion hole with the water inlet end. The core can slide relative to the shell along the opening direction of the flow guide hole, the outer peripheral surface of the core is provided with an annular groove, and the annular groove has the function of being provided with a sealing gasket which can abut against the inner side wall to form sealing. The utility model discloses be equipped with two annular grooves on the well core lateral surface, all be equipped with seal ring in the annular groove, the setting of double containment packing ring promoted greatly and the shell in the sealing performance between the inner chamber wall. The core can shift relative to the shell along the axis direction of the diversion hole to buffer and decompress shock waves, the structure is simple, and the effect is group-pulling. The water hammer eliminator mainly utilizes a pressure difference mode to buffer water flow, the space from the upper end surface of a shell to a core is in a closed state, when shock waves impact the core, the core moves upwards, the internal space is compressed by gas, after the shock waves are eliminated, the core resets, and the internal space returns to be normal. The diameter of the lower end face of the opening is smaller than that of the upper end face of the opening, and a protrusion is arranged on one section of side face of the core close to the opening. The opening is big end down, can reserve enough big space for the shock wave like this at the opening part, thereby the arch on the core can contact with the shock wave very first time and let the core take place the displacement. The shock wave can be scattered by buffering to the greatest extent by the arrangement, the water hammer is eliminated, and the practicability is high. The weight reduction groove arranged on the core can greatly reduce the weight of the core, so that the reaction is more sensitive, and the impact can be easily coped with to displace to achieve the effect of buffering and reducing pressure.

In foretell multi-functional angle valve, mounting hole port department is equipped with the recess, the threaded connection portion outside cover of water hammer annihilator is equipped with O type packing ring, and O type packing ring is located the recess and the outer peripheral face of O type packing ring leans on with the inner wall of recess to form sealedly.

The water hammer eliminator is hard sealed for threaded connection with the mounting hole, soft sealing is adopted between the outer peripheral surface of the O-shaped gasket and the inner wall of the groove, soft and hard sealing is combined, and double sealing greatly improves the sealing effect between the water hammer eliminator and the mounting hole, so that the safety of the valve body is greatly improved.

In foretell a multi-functional angle valve, locating hole upper end mouth inboard is equipped with and leans on the groove, have on the end cap upper end outer peripheral face and lean on the flange that offsets by leaning on the groove, the end cap is close to and is equipped with the annular on the outer peripheral face of flange, is equipped with the sealing washer in the annular, and the sealing washer supports with the locating hole inside wall and leans on to form sealedly, has the dismantlement groove on the end cap up end, still is equipped with the lightening hole under the end cap on the terminal surface, terminal surface fixed connection under filter screen and the end cap, both ends open-ended cylindric about the filter screen is, has seted up the inlet opening on.

The plug and the positioning hole are in threaded connection to form a double seal, the sealing washer on the plug and the inner wall of the positioning hole are in double seal, and the flange on the plug can be abutted against the abutting end to form a hard seal, so that the hard seal is in triple seal. Triple sealing greatly improves the sealing effect between the plug and the positioning hole. And the soft seal between the sealing washer and the positioning hole is easy to age along with time and use, the soft seal effect may be poor or invalid after aging, and the sealing safety cannot be guaranteed. The hard seal between the flange and the abutting end greatly improves the sealing performance between the plug and the positioning hole. The inlet opening has been seted up on the filter screen, and the inlet opening is just to rivers direction, and the benefit that sets up like this is that, can make rivers all follow the inlet opening and flow through, inside impurity can both remain the filter screen like this, only need when filtering component needs to wash, directly take out it and wash and can prevent to carry out secondary pollution to the valve body. Still be equipped with the dismantlement groove on the end cap up end, set up like this and make filter assembly dismantle it through specialized tool, prevent that the valve body from being artificially destroyed or the accident is opened, causes harm. The arrangement can improve the overall safety of the valve body.

In foretell a multi-functional angle valve, the case subassembly includes valve cap, valve rod and case, and valve body upper end opening and valve cap are fixed in the upper end opening part of valve body, and the valve rod is worn to establish in the valve cap, and the valve rod can rotate for the valve cap with valve cap axial fixity and valve rod, and the valve cap lower extreme is equipped with the pilot hole, and the case upper end stretches into in the pilot hole and forms circumference fixed, valve rod lower extreme and case upper end threaded connection, crossing water hole upper end mouth department and being equipped with annular arch, the case lower extreme is equipped with sealed the pad, and sealed the pad supports.

Axial fixity between valve rod and the valve cap for the unable up-and-down motion of valve rod can be circumferential rotation, case and valve rod threaded connection and case can not circumferential rotation but can the mountain displacement, set up rotatory valve rod like this and then can drive case along axis up-and-down motion. The water passing hole is arranged right opposite to the valve core, and when the valve core moves downwards, the water passing hole can be abutted against the valve core to form sealing, so that water flow is stopped. Be equipped with sealed the pad under the case on the terminal surface, cross water hole upper end mouth and go out and be equipped with annular protrusion, sealed pad can support with annular protrusion and produce deformation, sets up like this and makes the case and cross the sealed effect between the water hole and promote greatly.

In the above multifunctional angle valve, a decorative cover is further arranged on the outer side of the water inlet end.

The arrangement of the decorative cover is beautiful and elegant, and the aesthetic feeling of the product is improved.

Compared with the prior art, this multi-functional angle valve is equipped with non return mechanism in the end of intaking, and non return mechanism has certain waterproof hammer function, still is equipped with the mounting hole on the end outer peripheral face of intaking, and threaded connection has the water hammer annihilator on the mounting hole, and non return mechanism and water hammer annihilator all set up at the play water end, and double buffering is eliminated the water hammer and can be effectively protected the valve body and promote the valve body life-span greatly. The water outlet end is provided with a detachable filtering component, so that the valve body has a filtering function and is convenient to clean, the upper end of the valve body is also provided with a valve core component capable of controlling the opening and closing of the water hole, and the angle valve is provided with a function of enriching the angle valve.

Drawings

Fig. 1 is a sectional view of the present multi-function angle valve.

Fig. 2 is a sectional view of the multi-function angle valve body.

Fig. 3 is a sectional view of the water hammer arrestor.

Fig. 4 is a cross-sectional view of the filter assembly.

In the figure, 1, a valve body; 11. a water inlet end; 12. a water outlet end; 13. water passing holes; 131. an annular projection; 14. mounting holes; 141. a groove; 15. positioning holes; 151. an abutting groove; 2. A valve core assembly; 21. a bonnet; 211. an assembly hole; 22. a valve stem; 23. a valve core; 24. A gasket; 3. a water hammer arrestor; 31. a housing; 311. a flow guide hole; 312. a threaded connection; 313. connecting holes; 32. a core; 321. an annular groove; 322. a protrusion; 323. A weight reduction groove; 33. a sealing gasket; 4. a filter assembly; 41. a plug; 411. a flange; 412. a ring groove; 413. disassembling the groove; 414. lightening holes; 42. a filter screen; 421. a water inlet hole; 43. a gasket; 5. a non-return mechanism; 6. an O-shaped gasket; 7. and (6) a decorative cover.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-2, the multifunctional angle valve comprises a valve body 1 with a water inlet end 11 and a water outlet end 12, wherein the water inlet end 11 is vertically arranged on the valve body 1 downwards. Be equipped with non return mechanism 5 in the end 11 ports of intaking, when negative pressure or refluence appear in the pipeline, thereby non return mechanism 5 can play protection valve body 1 and rear end water equipment with this angle valve and pipeline disconnection. The non-return mechanism 5 is internally provided with a valve core and a spring, the valve core is propped against the water outlet end 12 by the elasticity of the spring to form sealing, and the non-return mechanism 5 can also play a certain role in buffering water flow shock waves and has a certain function of preventing water hammer when water is normally pumped.

The outer circumference of the water outlet end 12 is further provided with an upwardly inclined mounting hole 14, a port of the mounting hole 14 is provided with a groove 141, and the mounting hole 14 can be screwed and fixed with a threaded connection part 312 on the water hammer eliminator 3. An O-shaped gasket 6 is further sleeved on the outer peripheral surface of the threaded connection portion 312, the O-shaped gasket 6 can abut against the groove 141 to form sealing, the threaded connection portion 312 and the mounting hole 14 can form hard sealing, and soft sealing is formed between the O-shaped gasket 6 and the groove 141. The hard seal and the soft seal are combined to form double seal, so that the sealing effect between the water hammer eliminator 3 and the valve body 1 is greatly improved. The water hammer eliminator 3 further comprises a housing 31 and a core 32, the housing 31 is of a cylindrical structure with an open lower end, the core 32 is arranged in an inner cavity of the housing 31, and the core 32 forms a seal with the side wall of the inner cavity of the housing 31 by means of a sealing gasket 33 arranged in an annular groove 321 on the outer peripheral surface. The two annular grooves 321 on the outer peripheral surface of the core 32 and the sealing gaskets 33 can greatly improve the sealing performance between the core 32 and the inner side wall of the shell 31. The outer core 32 is capable of axial movement relative to the housing 31. The lower end face of the shell 31 is also provided with a flow guide hole 311, the flow guide hole 311 can enable the inner cavity of the shell 31 to be communicated with the mounting hole 14, one side, close to the flow guide hole 311, of the core 32 is provided with a protrusion 322, and the protrusion 322 can play a role in buffering water flow and increasing the reaction sensitivity of the core 32. The side surface of the core 32, which is far away from the diversion hole 311, is provided with a weight reduction groove 323, and the weight reduction groove 323 can greatly reduce the weight of the core 32, so that the movement is more sensitive. Because the core 32 and the inner side wall of the shell 31 form a seal, a certain air pressure exists between the core and the inner side wall, water flows through the valve body 1, the guide hole 311 communicates the inner cavity of the shell 31 with the valve body 1, and the water flow also has a certain water pressure. Therefore, the air pressure at the left end and the water pressure at the right end of the core 32 should be equal under normal conditions, and when the water hammer occurs and the water pressure suddenly increases, the core 32 moves towards the direction departing from the diversion hole 311, and the air in the cavity is compressed, so that the air pressure increase and the water pressure are leveled again. When the water hammer disappears, the core 32 resets, and the structure is simple and the water hammer preventing effect is good. And water hammer annihilator 4 sets up in the end 11 of intaking, and non return mechanism 3 also sets up in the end 11 of intaking, and the waterproof hammer setting of double buffering can promote the security of valve body greatly.

As shown in fig. 2, a water passing hole 13 communicating the water inlet end 11 and the water outlet end 12 is arranged between the water inlet end 11 and the water outlet end 12 of the valve body 1, a valve core assembly 2 is arranged at the upper end of the valve body 1 opposite to the water passing hole 13, the valve core assembly 2 comprises a valve cap 21, a valve rod 22 and a valve core 23, an opening at the upper end of the valve body 1 and the valve cap 21 are fixed at an opening at the upper end of the valve body 1, the valve rod 22 is arranged in the valve cap 21 in a penetrating manner, the valve rod 22 and the valve cap 21 are axially fixed, the valve rod 22 can rotate relative to the valve cap 21, an assembly hole 211 is arranged at the lower end. The lower end of the valve core 23 is provided with a sealing gasket 24 facing the water through hole 13, and when the valve rod 22 is rotated, the valve core 23 can move up and down along the axial direction. When the valve core 23 moves downwards, the sealing gasket 24 can be abutted against the water through hole 13 to form sealing. So that the valve body 1 finishes cutting off water supply, the water circulates when the valve body moves upwards, and the valve body 1 opens the water supply. Still be equipped with annular protrusion 131 on the water hole 13, the benefit of setting up like this is that sealed pad 24 can lean on deformation with annular protrusion 131 and form sealedly, and its sealed effect will be better than sealed pad 24 down the terminal surface and cross the sealed of leaning on between the water hole 13 up end far away.

As shown in fig. 1-4, the water outlet end 12 is provided with a positioning hole 15 perpendicular to the axis thereof, the positioning hole 15 is provided with a filter assembly 4 therein, and the filter assembly 4 comprises a plug 41 and a filter screen 42. The lower end of the plug 41 is fixedly connected with the upper end of the filter screen 42, the diameter of the positioning hole 15 is slightly larger than that of the water outlet end 12, and the outer peripheral surface of the filter component 4 is in clearance fit with the inner peripheral surface of the positioning hole 15. The arrangement enables water to flow through the filter assembly, so that the filter effect is better. The outer peripheral surface of the plug 41 is provided with threads, the plug can be in threaded connection with the positioning hole 15, the outer side of the upper end face of the plug is fixed with a flange 411, and the flange 411 can abut against an abutting groove 151 in the positioning hole 15 to form hard seal. An annular groove 412 is further formed in the outer peripheral surface between the flange 411 and the threads of the plug 41, and a sealing gasket 43 is arranged in the annular groove 412. The gasket 43 can form a soft seal with the inner side wall of the positioning hole 15. The hard seal and the soft seal are combined to form a double sealing effect, so that the sealing effect between the filter assembly 4 and the positioning hole 15 is greatly improved. The filter screen 42 is a cylindrical structure with an upper opening and a lower opening, the upper end of the filter screen is fixed with the lower end of the plug 41, the lower end of the filter screen abuts against the lower end face of the positioning hole, and the filter screen 42 penetrates through the channel of the water outlet end 12. The filter screen 42 is further provided with a water inlet 421, and the water inlet is arranged right opposite to the water flow direction, so that the water flow can flow through the inner cavity of the filter screen 42, and impurities are left in the filter screen 42. Therefore, when cleaning, only the filter screen needs to be taken out for washing, and secondary pollution is prevented. Still be equipped with on the end cap 41 up end and dismantle groove 413, its effect can prevent that filtering component 4 from being opened by the people's accident, can only use the professional tool who corresponds dismantlement groove 413 to dismantle end cap 41, and it is more convenient to use professional tool to dismantle or install, has promoted assembly efficiency greatly. Meanwhile, the plug 41 is prevented from being locked and difficult to unscrew due to expansion caused by heat and contraction caused by cold between the plug 41 and the positioning hole 15 due to temperature by disassembling the special tool. The lower end face of the plug 41 is also provided with a lightening hole 414, so that the cost can be effectively reduced, and the weight of the angle valve can be reduced.

The outer peripheral surface of the water inlet end 11 is provided with a decorative cover 7 at a position close to the port, and when the valve body is installed, the decorative cover 7 can play a good role in appearance.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A multifunctional angle valve comprises a valve body (1) with a water inlet end (11) at the lower end and a water outlet end (12) at the lateral part, wherein a water passing hole (13) for communicating the water inlet end (11) with the water outlet end (12) and a valve core assembly (2) capable of controlling the opening and closing of the water passing hole (13) are arranged in the valve body (1), and the multifunctional angle valve is characterized in that a non-return mechanism (5) is arranged in a port of the water inlet end (11), an upward inclined mounting hole (14) is also arranged on the outer peripheral surface of the water inlet end (11), a water hammer eliminator (3) is fixedly connected to the mounting hole (14), a positioning hole (15) with a closed lower end is arranged on the outer peripheral surface of the water outlet end (12) in a penetrating manner, the axis of the positioning hole (15) is vertical to the axis of the water outlet end (12), the diameter of the positioning hole (15, the filter assembly (4) comprises a plug (41) and a filter screen (42), the plug (41) and the filter screen (42) are fixedly connected, the plug (41) is connected in the upper port of the positioning hole (15) in a threaded mode, the filter screen (42) is arranged in the positioning hole (15), and the lower end of the filter screen (42) abuts against the bottom wall of the positioning hole (15).

2. The multifunctional angle valve of claim 1, wherein the water hammer arrester (3) comprises a shell (31) and a core (32) which are provided with inner cavities, the lower end of the shell (31) is provided with a diversion hole (311), the aperture of the upper end opening of the diversion hole (311) is larger than the aperture of the lower end opening of the diversion hole (311), the core (32) is arranged at the inner cavity close to the upper end opening of the diversion hole (311), the core (32) can slide relative to the shell (31) along the opening direction of the diversion hole (311), the outer peripheral surface of the core (32) is provided with an annular groove (321), a sealing gasket (33) is arranged in the annular groove (321), the outer peripheral surface of the sealing gasket (33) is abutted against the inner wall of the inner cavity to form a seal, the side surface of the core (32) close to one end of the diversion hole (311) is provided with a protrusion (322), and the side surface of the core, the lower end face of the shell (31) is provided with a threaded connection part (312), the threaded connection part (312) is in threaded connection with the mounting hole (14), and the threaded connection part (312) is provided with a connection hole (313) which is used for communicating the diversion hole (311) with the water inlet end (11).

3. The multifunctional angle valve as claimed in claim 1, wherein a groove (141) is provided at the port of the mounting hole (14), an O-ring (6) is sleeved outside the threaded connection portion (312) of the water hammer eliminator (3), the O-ring (6) is located in the groove (141), and the outer circumferential surface of the O-ring (6) abuts against the inner wall of the groove (141) to form a seal.

4. The multi-functional angle valve of claim 1, wherein the positioning hole (15) is provided with an abutting groove (151) at the inner side of the upper port, the outer peripheral surface of the upper end of the plug (41) is provided with a flange (411) which is abutted against the abutting groove (151), be equipped with annular (412) on the outer peripheral face that end cap (41) are close to flange (411), be equipped with sealing washer (43) in annular (412), sealing washer (43) lean on with locating hole (15) inside wall to form sealedly, have on end cap (41) the up end and dismantle groove (413), still be equipped with lightening hole (414) on the end face under end cap (41), terminal surface fixed connection under filter screen (42) and end cap (41), both ends open-ended cylindric about filter screen (42) are, inlet opening (421) have been seted up on the outer peripheral face of filter screen (42), inlet opening (421) are just to the import of outlet end (12).

5. The multifunctional angle valve according to claim 1, wherein the valve core assembly (2) comprises a valve cap (21), a valve rod (22) and a valve core (23), the upper end of the valve body (1) is open, the valve cap (21) is fixed at the upper end of the valve body (1), the valve rod (22) is arranged in the valve cap (21) in a penetrating mode, the valve rod (22) is axially fixed with the valve cap (21), the valve rod (22) can rotate relative to the valve cap (21), an assembly hole (211) is formed in the lower end of the valve cap (21), the upper end of the valve core (23) extends into the assembly hole (211) and is circumferentially fixed, the lower end of the valve rod (22) is in threaded connection with the upper end of the valve core (23), an annular protrusion (131) is arranged at the upper end of the water through hole (13), a sealing gasket (24) is arranged at the lower end of the valve core.

6. A multi-functional angle valve according to claim 1, characterized in that the outside of the water inlet end (11) is also provided with a decorative cover (7).