CN218152523U

CN218152523U - Multifunctional ball valve

Info

Publication number: CN218152523U
Application number: CN202222538666.5U
Authority: CN
Inventors: 黄鑫; 葛兵; 孙仁于; 龚斌辉
Original assignee: Zhejiang Valogin Technology Co ltd
Current assignee: Zhejiang Valogin Technology Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2022-12-27
Anticipated expiration: 2032-09-23

Abstract

The utility model belongs to the technical field of the valve, refer in particular to a multifunctional ball valve, including having the valve body of the section of intaking and the play water section, be equipped with the valve ball in the valve body, the one end of valve rod is connected to the valve ball, and the other end of valve rod stretches out the valve body, be equipped with the filter screen in the play water section, be equipped with the maintenance mouth that is used for the filter screen business turn over in the play water section, can dismantle on the maintenance mouth and be connected with stifled cap, the delivery port department of play water section is equipped with non-return device. The utility model discloses the filter screen clearance is maintained conveniently, effectively avoids the waste because of water refluence causes simultaneously.

Description

Multifunctional ball valve

The technical field is as follows:

the utility model belongs to the technical field of the valve, refer in particular to a multifunctional ball valve.

The background art comprises the following steps:

the ball valve is driven by the valve rod and rotates around the axis of the ball valve.

To enrich the function of the ball valve, a filtering device is usually provided in the ball valve to filter impurities in the water. Chinese utility model patent CN204358159U discloses a filtration formula ball valve, including inside valve body and the valve rod that sets up in this cavity, the ball core of cavity and the filter screen that is the tube-shape that is, the valve body about both ends be intake end and play water end respectively, the filter screen set up between intake end and play water end and the filter screen is mutually perpendicular with the water inlet direction of valve, ball core bottom the cavity has, the filter screen be fixed in the cavity, the valve body in still be fixed with and be cylindrical magnet, magnet be located the filter screen.

Above-mentioned filtration formula ball valve is when maintaining the clearance filter screen, at first need break off the water source, takes out end cap, filter screen again, clears up at last or changes the filter screen, and the clearance of the filter screen of being not convenient for is maintained, if there is water in the pipeline of play water end one side at this in-process simultaneously, and water can flow backwards and cause the water waste.

The invention content is as follows:

the utility model aims at providing a multifunctional ball valve, its filter screen clearance is maintained conveniently, effectively avoids the waste because of water refluence causes simultaneously.

The utility model discloses a realize like this:

the utility model provides a multifunctional ball valve, is including the valve body that has into water section and play water section, be equipped with the valve ball in the valve body, the one end of valve rod is connected to the valve ball, and the other end of valve rod stretches out the valve body, be equipped with the filter screen in the play water section, be equipped with the maintenance mouth that is used for the filter screen business turn over in the play water section, can dismantle on the maintenance mouth and be connected with stifled cap, the delivery port department of play water section is equipped with non-return device.

In foretell multifunctional ball valve, it maintains the neck to be equipped with on the play water end, it is equipped with on maintaining the neck maintain the mouth, stifled cap can be dismantled with maintaining the mouth through the internal thread that sets up on stifled cap and the external screw thread that sets up on maintaining the neck and be connected, stifled cap and maintain and be equipped with the O type circle of suit on maintaining the neck between the neck.

In the multifunctional ball valve, the filter screen is cylindrical, the side wall of the filter screen is provided with a water inlet hole which is opposite to the water inlet of the water outlet section, and the filter screen is internally provided with a magnet connected to the blocking cap.

In the above multifunctional ball valve, the blocking cap is detachably connected with a hollow non-ferromagnetic protective sleeve, and the magnet is arranged in the non-ferromagnetic protective sleeve.

In foretell multifunctional ball valve, be equipped with the erection column on the stifled cap, non-ferromagnetic protective sheath can dismantle with stifled cap through the internal thread that sets up on non-ferromagnetic protective sheath and the external screw thread that sets up on the erection column and be connected, be equipped with the O type circle of suit on the erection column between non-ferromagnetic protective sheath and the erection column, the one end of the one end fixed connection ferromagnetic metal post of stifled cap is kept away from to the erection column, magnet passes through magnetic force and adsorbs the other end at ferromagnetic metal post.

In a foretell multifunctional ball valve, erection column and stifled cap formula structure as an organic whole, the one end that stifled cap was kept away from to the erection column is equipped with the mounting hole, the one end that ferromagnetic metal post kept away from magnet is equipped with the fixed part of embedding mounting hole, ferromagnetic metal post passes through fixed part embedding mounting hole fixed connection on the erection column, the material of ferromagnetic metal post is iron, cobalt or nickel.

In the above multifunctional ball valve, the non-ferromagnetic protective sleeve is made of copper, non-ferromagnetic stainless steel or plastic.

In the above multifunctional ball valve, the outer end of the water outlet section is provided with a connecting pipe, and the non-return device has a structure that: the non-return device comprises a mounting seat fixed in the connecting pipe, one end of a sliding rod is arranged on the mounting seat in a sliding mode, an annular bulge for plugging and opening a water outlet of the water outlet section is arranged at the other end of the sliding rod, and a compression spring sleeved on the sliding rod is arranged between the annular bulge and the mounting seat.

In the above multifunctional ball valve, the annular protrusion is sleeved with an O-ring for sealing a gap between the annular protrusion and the water outlet of the water outlet section.

In the above multifunctional ball valve, the structure of the non-return device may also be: the non-return device comprises a cover plate hinged in the connecting pipe and a torsion spring for pushing the cover plate to the water outlet of the water outlet section through elasticity.

In the above multifunctional ball valve, the connection pipe is connected to the water outlet section through an external thread arranged on the connection pipe and an internal thread arranged on the water outlet section.

In the above multifunctional ball valve, the hexagonal cap is sleeved outside the connecting pipe, the end of the pipeline is abutted against the connecting pipe and is fixedly connected with the hexagonal cap through the external thread arranged on the pipeline and the internal thread arranged on the hexagonal cap, after the pipeline is screwed with the hexagonal cap in a screwed manner, the pipeline is tightly abutted against the connecting pipe to limit the relative rotation of the pipeline and the connecting pipe, and a sealing gasket is arranged between the pipeline and the connecting pipe.

In a foretell multifunctional ball valve, be equipped with the exhaust neck on the play water section, be equipped with the exhaust hole that feeds through the play water section in the exhaust neck, exhaust neck in-connection has the exhaust valve seat, exhaust valve seat inner is equipped with the inlet port of intercommunication exhaust hole, is equipped with the venthole on the lateral wall, be equipped with the installation cavity of intercommunication inlet port and venthole in the exhaust valve seat, threaded even has the exhaust valve core in the installation cavity, the shutoff of exhaust valve core inner with open the inlet port, the outer end stretches out the exhaust valve seat, the exhaust valve seat overcoat of venthole department is equipped with the air outlet cover, the inner chamber intercommunication venthole of air outlet cover, be equipped with the outlet duct of intercommunication air outlet cover inner chamber on the air outlet cover.

In the multifunctional ball valve, the exhaust valve seat is connected to the exhaust valve seat through an external thread arranged on the exhaust valve seat and an internal thread arranged on the exhaust neck, and an O-ring sleeved on the exhaust valve seat is arranged between the exhaust valve seat and the exhaust neck; an O-shaped ring sleeved at the inner end of the exhaust valve core is arranged between the inner end of the exhaust valve core and the air inlet hole, an O-shaped ring sleeved at the outer end of the exhaust valve core is arranged between the outer end of the exhaust valve core and the exhaust valve seat, and the air outlet hole is positioned between the two O-shaped rings sleeved on the exhaust valve core.

In the above multifunctional ball valve, the outer end of the air outlet pipe is connected with a hose, the outer end of the air exhaust valve core is provided with an air exhaust handle, and the air exhaust valve core and the air exhaust handle are of an integrated structure.

In foretell a multifunctional ball valve, be equipped with the ball valve neck on the valve body, the valve rod stretches out the ball valve neck and connects ball valve handle, be equipped with two spacing archs on same straight line on the ball valve neck lateral wall, ball valve handle includes the installation department of suit on the valve rod and sets up the portion of pulling on the installation department, the installation department has two stoppers to ball valve neck one side extension, and two stoppers are located two sharp both sides in spacing protruding place respectively, and when one of them stopper rotated and contradicted with one of them spacing arch, another stopper contradicts with another spacing arch, and restriction ball valve handle equidirectional continuation rotates, and one of them stopper is contradicted with another spacing arch after 90 towards the opposite direction, and restriction ball valve handle continues to rotate.

In the above multifunctional ball valve, the mounting part and the pulling part are of an integrated structure.

In the above multifunctional ball valve, the connection mode between the valve rod and the ball valve handle is as follows: the screw passes through the mounting part and is screwed with the valve rod.

In the above multifunctional ball valve, the maintenance port and the valve rod are arranged in the same direction, and the axes are parallel.

Compared with the prior art, the utility model outstanding advantage is:

1. the utility model discloses a filter screen sets up on the play water section of valve body, and the delivery port department of play water section is equipped with backstop, when needing to maintain and clear up the filter screen, only need to break off water inlet section and play water section through the valve ball, dismantle the stifled cap again, can take out the filter screen and clear up and maintain, and backstop blocks up the delivery port of play water section, effectively avoids the waste because of the water refluence causes, simultaneously the utility model discloses need not to break off the water source, the clearance of filter screen is maintained conveniently;

2. the blocking cap of the utility model is detachably connected with a hollow non-ferromagnetic protective sleeve, the magnet is arranged in the non-ferromagnetic protective sleeve, the magnet is protected from rusting in contact with water and losing magnetism, and meanwhile, the magnet is not influenced to attract metal impurities such as rust and the like;

3. the utility model discloses the exhaust valve seat overcoat in outlet port department is equipped with out the gas cover, goes out the gas cover and can rotate exhaust valve seat relatively, can adjust the orientation of outlet duct according to the demand.

Description of the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;

FIG. 4 is a sectional view taken along line B-B of FIG. 2;

fig. 5 is an exploded view of the present invention.

Reference numerals are as follows: 1. a water inlet section; 2. a water outlet section; 3. a valve body; 4. a valve ball; 5. a valve stem; 6. a filter screen; 7. maintaining the mouth; 8. a blocking cap; 9. a water inlet hole; 10. a magnet; 11. a non-ferromagnetic protective sleeve; 12. mounting a column; 13. a ferromagnetic metal pillar; 14. taking over a pipe; 15. a mounting base; 16. a slide bar; 17. an annular projection; 18. a compression spring; 19. an exhaust neck; 20. an exhaust hole; 21. an exhaust valve seat; 22. an air inlet; 23. an air outlet; 24. a mounting cavity; 25. an exhaust valve core; 26. an air outlet sleeve; 27. an air outlet pipe; 28. a ball valve neck; 29. a ball valve handle; 29a, a mounting portion; 29b, a pulling part; 30. a limiting bulge; 31. a limiting block; 32. maintaining the neck; 33. mounting holes; 34. a fixed part; 35. a hexagonal cap; 36. sealing gaskets; 37. a hose; 38. an exhaust handle; 39. and (4) screws.

The specific implementation mode is as follows:

the invention will now be further described with reference to specific embodiments, with reference to figures 1 to 5:

the utility model provides a multifunctional ball valve, is including having the valve body 3 of section 1 and play water section 2 of intaking, be equipped with valve ball 4 in the valve body 3, valve ball 4 connects the one end of valve rod 5, and valve body 3 is stretched out to the other end of valve rod 5, go out to be equipped with filter screen 6 in the water section 2, be equipped with the maintenance mouth 7 that is used for the business turn over of filter screen 6 on going out the water section 2, can dismantle on the maintenance mouth 7 and be connected with stifled cap 8, the delivery port department of going out water section 2 is equipped with non-return device.

The utility model discloses a theory of operation: as shown in fig. 1-5, after water enters from the water inlet section 1, the water enters the water outlet section 2 through the water inlet of the water outlet section 2, and flows to the water outlet of the water outlet section 2 after being filtered by the filter screen 6 in the water outlet section 2, the impact force of the water flow opens the check device to discharge the water, and when no water flow stops, the check device blocks the water outlet of the water outlet section 2 to prevent the water from flowing backwards.

The utility model discloses a section 1 and play water section 2 are intake in valve rod 5 control valve ball 4 intercommunication and disconnection, and filter screen 6 filters impurity such as corpse in the aquatic, and non-return device prevents water refluence, collects multiple functions as an organic whole, compares a plurality of valves such as present ball valve that need to install, filter, check valve and realizes multi-functionally, the utility model discloses with low costs, simple to operate. The utility model discloses a filter screen 6 sets up on the play water section 2 of valve body 3, and the delivery port department of going out water section 2 is equipped with non return device, when needing to maintain the clearance filter screen, only needs to break off through valve ball 4 and intake section 1 and play water section 2, dismantles stifled cap 8 again, can take out filter screen 6 and clear up the maintenance, and non return device shutoff goes out the delivery port of water section 2, effectively prevents the waste that the water refluence caused, simultaneously the utility model discloses need not to break off the water source, the clearance of filter screen 6 is maintained conveniently.

The detachable connection mode of the plugging cap 8 and the maintenance port 7 is as follows: as shown in fig. 3-5, be equipped with on the play water end 2 and maintain neck 32, maintain and be equipped with on the neck 32 maintain mouthful 7, stifled cap 8 can dismantle with maintaining mouthful 7 through the internal thread that sets up on stifled cap 8 and the external screw thread that sets up on maintaining neck 32 and be connected, be equipped with the O type circle of suit on maintaining neck 32 between stifled cap 8 and the maintenance neck 32.

The structure of the filter screen 6: as shown in fig. 3-5, the filter screen 6 is cylindrical, and the side wall of the filter screen is provided with a water inlet 9 facing the water inlet of the water outlet section 2, the filter screen 6 is internally provided with a magnet 10 connected to the plugging cap 8, and the magnet 10 can filter metal impurities such as rust in water. Magnet 10 is connected on stifled cap 8, is convenient for take out magnet 10 and maintains the clearance.

In order to protect the magnet 10 from rusting when contacting water and losing magnetism, a hollow non-ferromagnetic protective sleeve 11 is detachably connected to the blocking cap 8, and the magnet 10 is arranged in the non-ferromagnetic protective sleeve 11. The non-magnetic shield 11 is not attracted to the magnet 10, and does not affect the attraction of metal impurities such as rust to the magnet 10.

Mounting structure of magnet 10: as shown in fig. 3-5, be equipped with erection column 12 on the stifled cap 8, non-ferromagnetic protective sheath 11 can dismantle with stifled cap 8 through the internal thread that sets up on non-ferromagnetic protective sheath 11 and the external screw thread that sets up on erection column 12 and be connected, be equipped with the O type circle of suit on erection column 12 between non-ferromagnetic protective sheath 11 and the erection column 12, the one end of the one end fixed connection ferromagnetic metal post 13 of stifled cap 8 is kept away from to erection column 12, magnet 10 adsorbs at the other end of ferromagnetic metal post 13 through magnetic force, prevents effectively that magnet 10 from rocking and producing the abnormal sound.

In order to reduce the fastness of assembly step and connection, erection column 12 and stifled cap 8 formula structure as an organic whole, the one end that stifled cap 8 was kept away from to erection column 12 is equipped with mounting hole 33, the one end that ferromagnetic metal post 13 kept away from magnet 10 is equipped with the fixed part 34 of embedding mounting hole 33, ferromagnetic metal post 13 is through fixed part 34 embedding mounting hole 33 fixed connection on erection column 12, ferromagnetic metal post 13's material is iron, cobalt or nickel. In this embodiment, the ferromagnetic metal pillar 13 is made of iron.

Preferably, the material of the non-ferromagnetic protective sleeve 11 is copper, non-ferromagnetic stainless steel or plastic. In this embodiment, the non-ferromagnetic protective sleeve 11 is made of copper, and the utility model is suitable for high temperature environment, i.e. hot water; and the surface of the copper is plated with chrome, so that the copper is effectively prevented from rusting.

Structure of the backstop device: as shown in fig. 3 and 5, the outer end of the water outlet section 2 is provided with a connection pipe 14, the non-return device comprises a mounting seat 15 fixed in the connection pipe 14, one end of a slide bar 16 is slidably arranged on the mounting seat 15, the other end of the slide bar 16 is provided with an annular protrusion 17 for plugging and opening the water outlet of the water outlet section 2, and a compression spring 18 sleeved on the slide bar 16 is arranged between the annular protrusion 17 and the mounting seat 15. When water exists, the annular bulge 17 is pushed to one side of the mounting seat 15 by the impact force of the water, the compression spring 18 is compressed, and the water outlet of the water outlet end 2 is opened; when no water exists, the annular bulge 17 is reset under the action of the elastic force of the compression spring 18 to block the water outlet of the water outlet section 2.

In order to effectively block the water outlet of the water outlet section 2, an O-shaped ring for sealing a gap between the annular bulge 17 and the water outlet of the water outlet section 2 is sleeved on the annular bulge 17.

The connection mode of the connecting pipe 14 and the water outlet section 2 is as follows: as shown in fig. 3 and 5, the connection piece 14 is connected to the outlet section 2 via an external thread provided on the connection piece 14 and an internal thread provided on the outlet section 2.

Pipeline and the utility model discloses a connected mode: the hexagonal cap 35 is sleeved outside the connecting pipe 14, the end of the pipeline is abutted against the connecting pipe 14 and is fixedly connected with the hexagonal cap 35 through external threads arranged on the pipeline and internal threads arranged on the hexagonal cap 35, after the pipeline is screwed with the hexagonal cap 35, the pipeline is tightly abutted against the connecting pipe 14 to limit the relative rotation of the pipeline and the connecting pipe 14, and a sealing gasket 36 is arranged between the pipeline and the connecting pipe 14. Before pipeline and hexagon cap 35 screw, rotate valve body 3, adjustable the utility model discloses a direction can be adjusted according to service environment the utility model discloses the orientation, the utility model discloses turn to in a flexible way, guaranteed the flexibility of installation.

In order to discharge air in water, as shown in fig. 1, 2, 4, and 5, an exhaust neck 19 is disposed on the water outlet section 2, an exhaust hole 20 communicating with the water outlet section 2 is disposed in the exhaust neck 19, an exhaust valve seat 21 is connected in the exhaust neck 19, an air inlet 22 communicating with the exhaust hole 20 is disposed at the inner end of the exhaust valve seat 21, an air outlet 23 is disposed on the side wall of the exhaust valve seat 21, an installation cavity 24 communicating with the air inlet 22 and the air outlet 23 is disposed in the exhaust valve seat 21, an exhaust valve core 25 is screwed in the installation cavity 24, the air inlet 22 is blocked and opened at the inner end of the exhaust valve core 25, the outer end of the exhaust valve core extends out of the exhaust valve seat 21, an air outlet sleeve 26 is sleeved on the exhaust valve seat 21 at the air outlet 23, the inner cavity of the air outlet sleeve 26 is communicated with the air outlet 23, and an air outlet pipe 27 communicating with the inner cavity of the air outlet sleeve 26 is disposed on the air outlet sleeve 26. The air outlet valve core 25 is rotated outwards, the air inlet hole 22 is opened at the inner end of the air outlet valve core 25, air enters the installation cavity of the air outlet valve seat 21 through the air outlet hole 20 and the air inlet hole 22 and then is exhausted through the air outlet hole 23, the inner cavity of the air outlet sleeve 26 and the air outlet pipe 27. The utility model discloses a cover 26 suit of giving vent to anger is on exhaust valve seat 21, and cover 26 of giving vent to anger can rotate exhaust valve seat 21 relatively, can adjust the orientation of outlet duct 27 according to the demand.

Furthermore, the exhaust valve seat 21 is connected to the exhaust valve seat 21 through an external thread arranged on the exhaust valve seat 21 and an internal thread arranged on the exhaust neck 19, and an O-shaped ring sleeved on the exhaust valve seat 21 is arranged between the exhaust valve seat 21 and the exhaust neck 19; an O-shaped ring sleeved at the inner end of the exhaust valve core 25 is arranged between the inner end of the exhaust valve core 25 and the air inlet hole 22, an O-shaped ring sleeved at the outer end of the exhaust valve core 25 is arranged between the outer end of the exhaust valve core 25 and the exhaust valve seat 21, and the air outlet hole 23 is arranged between the two O-shaped rings sleeved on the exhaust valve core 25.

Preferably, the outer end of the air outlet pipe 27 is connected with a hose 37, the outer end of the air exhaust valve core 25 is provided with an air exhaust handle 38, so that the air exhaust valve core 25 can be rotated conveniently, and the air exhaust valve core 25 and the air exhaust handle 38 are of an integrated structure.

The structure and the rotation limiting mode of the ball valve handle 29 are as follows: as shown in fig. 1, 3 and 5, be equipped with ball valve neck 28 on the valve body 3, valve rod 5 stretches out ball valve neck 28 and connects ball valve handle 29, be equipped with two spacing archs 30 on same straight line on the ball valve neck 28 lateral wall, ball valve handle 29 includes installation department 29a and the pulling part 29b of setting on installation department 29a of suit on valve rod 5, installation department 29a has two stopper 31 to ball valve neck 28 one side extension, and two stopper 31 are located the both sides of two spacing archs 30 place straight lines respectively, and when one of them stopper 31 rotated to contradict with one of them spacing archs 30, another stopper 31 contradicts with another spacing archs 30, and restriction ball valve handle 29 continues to rotate with the same direction, and one of them stopper 31 contradicts with another spacing archs 30 after 90 rotates in the opposite direction, and restriction ball valve handle 29 continues to rotate. The utility model discloses a pulling portion 29b orientation of ball valve handle 29 can be: when the valve ball 4 is communicated with the water inlet section 1 and the water outlet section 2, the pulling part 29b is assembled to be parallel to the axial direction of the valve body 3; the direction of the pulling part 29b of the ball valve handle 29 may be: when the valve ball 4 communicates the water inlet section 1 and the water outlet section 2, the pulling part 29b is assembled to be vertical to the axial direction of the valve body 3. The utility model discloses ball valve handle 29 can select the orientation of pulling portion 29b as required when the assembly, effectively avoids producing with the environment and interferes.

In order to reduce the assembly steps and to firmly connect the mounting portion 29a and the pulling portion 29b, the mounting portion 29a and the pulling portion 29b are of an integral structure.

The connection mode of the valve rod 5 and the ball valve handle 29 is as follows: the screw 39 is screwed to the valve rod 5 through the mounting portion 29 a.

Furthermore, the maintenance port 7 and the valve rod 5 are arranged in the same direction, and the axes are parallel, so that interference with the environment is avoided during installation, and the disassembly and the assembly are convenient.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. The utility model provides a multifunctional ball valve, is including having valve body (3) of intaking section (1) and play water section (2), be equipped with valve ball (4) in valve body (3), the one end of valve rod (5) is connected in valve ball (4), and valve body (3), its characterized in that are stretched out to the other end of valve rod (5): be equipped with filter screen (6) in play water section (2), be equipped with maintenance mouth (7) that are used for filter screen (6) business turn over on play water section (2), maintenance mouth (7) are gone up to dismantle and are connected with blanking cap (8), the delivery port department of play water section (2) is equipped with non-return device.

2. A multi-function ball valve as claimed in claim 1, wherein: the water outlet pipe is characterized in that the filter screen (6) is cylindrical, a water inlet hole (9) which is opposite to a water inlet of the water outlet section (2) is formed in the side wall of the filter screen, and a magnet (10) connected to the blocking cap (8) is arranged in the filter screen (6).

3. A multi-function ball valve as claimed in claim 2, wherein: the blocking cap (8) is detachably connected with a hollow non-ferromagnetic protective sleeve (11), and the magnet (10) is arranged in the non-ferromagnetic protective sleeve (11).

4. A multi-function ball valve as claimed in claim 3, wherein: be equipped with erection column (12) on stifled cap (8), non-ferromagnetism protective sheath (11) can be dismantled with stifled cap (8) through the internal thread that sets up on non-ferromagnetism protective sheath (11) and the external screw thread that sets up on erection column (12) and be connected, be equipped with the O type circle of suit on erection column (12) between non-ferromagnetism protective sheath (11) and erection column (12), the one end of one end fixed connection ferromagnetic metal post (13) of stifled cap (8) is kept away from in erection column (12), magnet (10) are adsorbed at the other end of ferromagnetic metal post (13) through magnetic force.

5. A multi-function ball valve as claimed in claim 3, wherein: the non-ferromagnetic protective sleeve (11) is made of copper, non-ferromagnetic stainless steel or plastic.

6. The multi-functional ball valve of claim 1, wherein: go out water section (2) outer end and be equipped with takeover (14), backstop is including fixing mount pad (15) in takeover (14), slide on mount pad (15) and be equipped with the one end of slide bar (16), the other end of slide bar (16) is equipped with the shutoff and opens annular bulge (17) of water section (2) delivery port, be equipped with compression spring (18) of suit on slide bar (16) between annular bulge (17) and mount pad (15).

7. A multi-function ball valve as claimed in claim 1, wherein: be equipped with exhaust neck (19) on water outlet section (2), be equipped with exhaust hole (20) that the intercommunication goes out water section (2) in exhaust neck (19), exhaust neck (19) in-connection has exhaust disk seat (21), exhaust disk seat (21) inner is equipped with inlet port (22), the lateral wall that communicates exhaust hole (20) and is equipped with venthole (23), be equipped with installation cavity (24) of intercommunication inlet port (22) and venthole (23) in exhaust disk seat (21), the threaded connection has exhaust valve core (25) in installation cavity (24), the shutoff of exhaust valve core (25) inner is with open inlet port (22), the outer end stretches out exhaust disk seat (21), and exhaust disk seat (21) overcoat that venthole (23) located is equipped with air outlet sleeve (26), air outlet sleeve (26) inner chamber intercommunication venthole (23), be equipped with outlet duct (27) that communicate air outlet sleeve (26) inner chamber on air outlet sleeve (26).

8. A multi-function ball valve as claimed in claim 1, wherein: be equipped with ball valve neck (28) on valve body (3), valve rod (5) are stretched out ball valve neck (28) and are connected ball valve handle (29), be equipped with two spacing arch (30) on same straight line on ball valve neck (28) lateral wall, ball valve handle (29) are including installation department (29 a) of suit on valve rod (5) and pull portion (29 b) of setting on installation department (29 a), installation department (29 a) have two stopper (31) to ball valve neck (28) one side extension, and two stopper (31) are located the both sides of two spacing arch (30) place straight lines respectively, and when one of them stopper (31) rotated and contradicts with one of them spacing arch (30), another stopper (31) contradicts with another spacing arch (30), and restriction handle (29) syntropy rotates, and one of them stopper (31) contradicts with another spacing arch (30) after 90 towards the opposite direction, and restriction ball valve handle (29) continue to rotate.

9. A multi-function ball valve as claimed in claim 1, wherein: the maintenance port (7) and the valve rod (5) are arranged in the same direction, and the axes are parallel.