CN211145530U - Combined multifunctional magnetic locking valve - Google Patents

Abstract

The utility model provides a modular multi-functional magnetism lock valve belongs to valve technical field. The problem of how to improve the suitability, reduce whole volume and make the structure compacter has been solved to it. This product includes the valve body, valve rod and lock cap, be equipped with magnetism locking mechanism between lock cap and the valve body, valve rod upper end and lock cap circumference are fixed, be equipped with the pressure regulating spring in the valve body lower extreme, diaphragm and core, form out the water cavity between core upper end and the valve body, be equipped with the pressure regulating passageway on the core, the core up end is equipped with the apopore and the core lateral part runs through and is provided with a plurality of inlet openings, form the water inlet clearance between core and the valve body, the slope of valve body lateral part is provided with inhalant canal, the core overcoat is equipped with the filter screen section of thick bamboo, the diaphragm center is fixed with the core bar, the core bar passes the core and is fixed with. The product has the advantages of more reasonable and compact structure and the like.

Description

Combined multifunctional magnetic locking valve

Technical Field

The utility model belongs to the technical field of the valve, a multi-functional magnetism lock valve of combination formula is related to.

Background

With the rise of intelligent management of cells, the magnetic locking valve is more and more widely applied. The magnetic locking valve is actually a magnetic lock, and the use principle of the magnetic locking valve is that a magnetic locking mechanism is arranged on the valve, a valve rod in the valve can be locked and cannot rotate by using the magnetic locking mechanism, and meanwhile, a key capable of unlocking the magnetic locking mechanism is required to be configured.

At present, the magnetic locking valve can only basically realize the functions of magnetic locking and water path cutting, the condition of water supply pressure fluctuation often occurs in practical application, and in order to maintain the stability of water outlet pressure, a pressure reducing valve is basically connected at the rear end of the magnetic locking valve for matching use. However, since the magnetic locking valve and the pressure reducing valve are respectively provided with a valve body, when the magnetic locking valve and the pressure reducing valve are used in a matched manner, the two valves can only be simply connected along the pipeline direction, so that the cost is increased, and the magnetic locking valve and the pressure reducing valve are large in size and not attractive. For this reason, some combined valves are available on the market, but the structure is not very reasonable and compact, and therefore the practicability is not high.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide a modular multi-functional magnetism lock valve, the technical problem that solve is how to improve the suitability, reduce whole volume and make the structure compacter.

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

a combined multifunctional magnetic locking valve comprises a valve body with a water inlet end at the left end, a valve rod fixed in the valve body along the axial direction, and a locking cap which is fixed outside the upper end of the valve body along the axial direction and can rotate, wherein a magnetic locking mechanism capable of fixing the locking cap and the valve body in the circumferential direction is arranged between the locking cap and the upper end surface of the valve body, the upper end of the valve rod is fixed with the locking cap in the circumferential direction, a pressure regulating spring, a diaphragm and a core are arranged in the lower end of the valve body from bottom to top, a pressure regulating cavity is formed between the diaphragm and the core and acts on the diaphragm, a water outlet cavity is formed between the upper end of the core and the valve body, a pressure regulating channel for communicating the water outlet cavity and the pressure regulating cavity is arranged on the core, a plurality of water inlet holes are arranged on the upper end surface of the core and are arranged at the position close to, the core is sleeved with a filter screen cylinder, the center of the diaphragm is fixed with a core rod, the core rod penetrates through the core and is fixed with a sealing gasket capable of closing the water outlet hole, a matching hole is formed in the upper end of the valve body, the lower end of the valve rod is connected with a pressing sleeve circumferentially fixed with the matching hole in a threaded manner, and the valve rod rotates to enable the pressing sleeve to push the core rod to move downwards to close the water outlet hole.

When the water outlet device is normally used, the pressure regulating spring acts on the membrane to enable the core rod to move upwards to open the water outlet hole, water enters the water inlet end and flows into the water outlet cavity sequentially through the water inlet channel, the water inlet gap, the water inlet hole and the water outlet hole, part of water in the water outlet cavity is supplied outwards, and part of water flows into the pressure regulating cavity from the pressure regulating channel; when the water pressure is reduced, the diaphragm drives the core rod to move upwards under the action of the pressure regulating spring, so that the flux flowing out of the water outlet hole is increased to increase the water pressure of the water outlet. In the pressure stabilizing process, the valve body and the lock cap form a circumferential direction through the magnetic locking mechanism, and the magnetic locking function is realized. When the water outlet valve is not needed to be used, the magnetic locking mechanism is unlocked by using a special tool, so that the lock cap drives the valve rod to rotate, and the lower end of the valve rod is connected with the pressing sleeve in a threaded manner, and the pressing sleeve is circumferentially fixed with a matching hole in the upper end of the valve body, so that the pressing sleeve moves downwards along the threads, the core rod is further pushed to move downwards to seal the water outlet hole, and the water way is cut off to realize the stop function. In addition, the core is sleeved with the filter screen cylinder, so that water can be filtered before entering the core, and the filtering function is realized.

This multi-functional magnetism lock valve of combination formula collects magnetism locking, ends, filters and steady voltage function on single valve body for the function is abundanter, the suitability is wider and more practical. And the filter screen cylinder can be directly sleeved outside the core while being used as a part of the diaphragm type pressure stabilizing structure by means of the arrangement of the core, so that the volume is ensured not to be increased due to the arrangement of the filter screen cylinder, and the structure of the whole valve is ensured to be more reasonable and compact.

In the combined multifunctional magnetic locking valve, an annular stop surface is arranged in the valve body, an annular limiting surface is arranged at the position, close to the upper end, of the outer side of the core, the upper end and the annular limiting surface of the filter screen cylinder are abutted against the annular stop surface, an annular positioning seat is arranged at the position, close to the lower end, of the outer side of the core, and the lower end of the filter screen cylinder is sleeved outside the annular positioning seat.

The setting of annular positioning seat for filter screen section of thick bamboo can directly be integrated outside the core and filter water, has saved the space that need set up the filter screen in the valve body, makes the structure compacter, reasonable, can not increase the volume of valve again simultaneously. In addition, the upper end of the filter screen cylinder and the annular limiting surface are abutted against the annular stop surface, so that the filtering area is maximized.

In the above-mentioned combined type multifunctional magnetic lock valve, the valve body comprises a body and a valve cover in threaded connection with the lower end of the body, an annular surface is arranged in the lower end of the body, the edge of the diaphragm is clamped between the annular surface and the upper end surface of the valve cover, and the lower end surface of the core is abutted against the edge of the diaphragm.

During assembly, the core is loaded from the lower end of the body together with the filter screen cylinder, then the diaphragm is placed in the core, and finally the upper end of the valve cover is connected into the lower end of the body through threads. The edge of the diaphragm is clamped between the annular ring and the upper end face of the valve cover, so that the diaphragm is fixed in the valve body, the lower end face of the core abuts against the edge of the diaphragm, and the upper end of the core abuts against an annular stop face in the valve body through the annular limiting face, so that the core is fixed in the valve body. Through the structure, the diaphragm is fixed and simultaneously fixed along with the core, so that the structure is more compact and reasonable, and the volume is smaller. Meanwhile, the disassembly and assembly are more convenient, the integrated assembly or disassembly of the diaphragm, the core and the core rod in the valve body can be realized, and the core rod is pulled out of the valve body together when the diaphragm is taken out outwards.

In the combined type multifunctional magnetic locking valve, the lower end face of the core is provided with an annular flange, the upper side of the edge of the membrane is provided with an annular bulge, and the annular bulge is limited between the annular flange and the inner wall of the lower end of the body.

The diaphragm rim is clamped between the annular surface and the upper end surface of the valve cover, so that the diaphragm rim is fixed and only the center of the diaphragm deforms. Meanwhile, the annular bulge on the upper side of the edge of the diaphragm is positioned between the annular flange and the inner wall of the lower end of the body, so that the diaphragm cannot move left and right.

In the combined multifunctional magnetic locking valve, the lower end of the core is provided with a guide hole, a partition plate is arranged between the water outlet hole and the guide hole, the core rod penetrates through the partition plate, the lower end of the core rod is provided with a sliding part which is arranged in the guide hole in a sliding manner, and the side part of the sliding part is provided with a sealing ring.

The partition plate is used for separating the water outlet hole from the guide hole, so that water only flows into the water outlet cavity and does not flow into the guide hole when flowing into the water outlet hole. Meanwhile, the sliding part is arranged at the lower end of the core rod, when water flows into the pressure regulating cavity to regulate the water outlet pressure, the sliding part slides along the guide hole, and a sealing ring arranged on the side part of the sliding part always ensures that the water flowing into the pressure regulating cavity cannot leak to other places, so that the pressure regulating precision is ensured.

In the combined type multifunctional magnetic locking valve, the center of the lower end of the core is provided with an inward concave position, and one port of the pressure regulating channel and the orifice of the guide hole are both positioned on the top wall of the inward concave position.

The setting of indent position can suitably increase the volume in pressure regulating chamber, ensures that the water pressure can be used for on the diaphragm fully to the drive core bar removes and adjusts the pressure of going out water, guarantees that water pressure is stable.

In foretell multi-functional magnetism lock valve of combination formula, this multi-functional magnetism lock valve of combination formula still includes the key that can cup joint on the lock cap and carry out the unblock to magnetism locking mechanism, and valve gap lower extreme opening and valve gap internal thread are connected with pressure regulating head, and pressure regulating spring locates between pressure regulating head and the diaphragm, and pressure regulating head lower extreme plane symmetry is provided with two connection grooves, and the key is cylindricly and its external diameter slightly is lighter than the internal diameter of valve gap, and the lower terminal surface symmetry of key is provided with two and inserts participating in the connection inslot.

The key is cylindrical, the outer diameter of the key is slightly smaller than the inner diameter of the valve cover, when the set pressure of the pressure regulating spring needs to be regulated or the pressure of the water outlet end needs to be regulated manually, a user can directly insert the key into the valve cover to enable the two pins of the key to be inserted into the two connecting grooves of the regulating head, and the user can rotate the regulating head through the key, so that the regulating head can move upwards or downwards along threads to compress or release the pressure regulating spring, or a pressure reducing core moves upwards or downwards in the using process. The combined multifunctional magnetic locking valve has the advantages that the connecting groove is formed in the adjusting head, so that the key can be used for unlocking the valve rod and adjusting the elasticity of the pressure adjusting spring, the structure is simplified, and the use convenience of a user is improved.

In the combined multifunctional magnetic locking valve, the right end of the valve body is a water outlet end communicated with the water outlet cavity, and a check valve is fixed in the water outlet end.

The check valve is fixed in the water outlet end, so that the effects of backflow prevention and drip leakage prevention can be achieved, and the combined multifunctional magnetic locking valve is rich in functions.

Compared with the prior art, this multi-functional magnetism lock valve of combination formula collects magnetism locking, ends, diaphragm formula steady voltage, filters and non return in an organic whole for the function is abundanter, the suitability is wider and more practical, and the setting up of diaphragm formula steady voltage structure makes the steady voltage function more reliable. In addition, the core is arranged to be used as a part of the diaphragm type pressure stabilizing structure, and the filter screen cylinder can be directly sleeved outside the core, so that the size of the valve can not be increased due to the arrangement of the filter screen cylinder, and the structure of the whole valve can be more reasonable and compact.

Drawings

Fig. 1 is a schematic view of the combined multifunctional magnetic locking valve.

Fig. 2 is a schematic view of another angle of the combined multifunctional magnetic locking valve.

Fig. 3 is a sectional view of the combined multifunctional magnetic lock valve.

Fig. 4 is an enlarged view at a in fig. 3.

Fig. 5 is an enlarged view at B in fig. 3.

Fig. 6 is a schematic view of a key in the combined multifunctional magnetic lock valve.

In the figure, 1, a valve body; 1a, a body; 1a1, water inlet end; 1a2, water outlet end; 1a3, water inlet channel; 1a4, mating holes; 1a5, annular stop surface; 1a6, toroidal surface; 1b, a valve cover; 2. a valve stem; 3. a lock cap; 3a, a slot; 4. a pressure regulating spring; 5. a membrane; 5a, an annular bulge; 6. a core; 6a, a pressure regulating channel; 6b, water outlet holes; 6c, a water inlet hole; 6d, a guide hole; 6e, an annular limiting surface; 6f, an annular flange; 7. a filter screen cylinder; 8. a core bar; 8a, a sliding part; 9. a gasket; 10. pressing the sleeve; 11. a key; 11a, pins; 11b, sleeving holes; 11c, a magnet; 12. adjusting a pressure head; 12a, a coupling groove; 13. a check valve; 14. magnetic steel; 15. a small spring; 16. and a pin.

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. 1-3, the combined multifunctional magnetic locking valve includes a valve body 1, a valve rod 2 fixed in the valve body 1 along an axial direction, and a locking cap 3 fixed outside the upper end of the valve body 1 along the axial direction and capable of rotating, wherein the upper end of the valve rod 2 penetrates out of the valve body 1 and is circumferentially fixed with the locking cap 3, and a magnetic locking mechanism capable of circumferentially fixing the lower end face of the locking cap 3 and the upper end face of the valve body 1 is arranged between the lower end face of the locking cap 3 and the upper end face of the valve. The lower end face of the lock cap 3 is provided with a first mounting hole, the upper end face of the valve body 1 is provided with a second mounting hole, the magnetic locking mechanism comprises a magnetic steel 14 arranged in the first mounting hole, a small spring 15 and a pin 16 which are sequentially arranged in the second mounting hole, and when the lock cap 3 is rotated to enable the first mounting hole to face the second mounting hole, the upper end of the pin 16 extends into the first mounting hole under the elastic action of the small spring 15 to enable the lock cap 3 to be circumferentially fixed with the valve body 1. The specific manner and structure of the locking cap 3 and the upper end of the valve body 1 fixed along the axial direction can refer to the magnetic locking valve disclosed in patent application No. 201710026766.0, and will not be described herein again.

As shown in FIG. 3, the left end and the right end of the valve body 1 are respectively a water inlet end 1a1 and a water outlet end 1a2, a check valve 13 is fixed in the water outlet end 1a2, and a pressure regulating spring 4, a diaphragm 5 and a core 6 are sequentially arranged in the lower end of the valve body 1 from bottom to top. The elastic force of the pressure regulating spring 4 acts on the diaphragm 5 upwards, a pressure regulating cavity is formed between the diaphragm 5 and the core 6, a water outlet cavity is formed between the upper end of the core 6 and the valve body 1, and the water outlet cavity is communicated with the water outlet end 1a 2. The upper end of the core 6 and the inner wall of the valve body 1 form sealing, the upper end face of the core 6 is provided with a water outlet hole 6b, the side part of the core 6 is provided with a plurality of water inlet holes 6c in a penetrating way near the upper end, a water inlet gap is formed between the side part of the core 6 and the inner wall of the valve body 1, and the side part of the valve body 1 is obliquely provided with a water inlet channel 1a3 communicated with the water inlet end 1a1 and the water.

As shown in FIG. 3, the cartridge 6 is provided with a pressure regulating passage 6a for communicating the water outlet chamber and the pressure regulating chamber. A core rod 8 is fixed in the center of the membrane 5, the upper end of the core rod 8 penetrates out of the core 6, and a sealing gasket 9 capable of closing the water outlet hole 6b is fixed on the core rod. The lower extreme of core 6 is equipped with guiding hole 6d, is equipped with the baffle between apopore 6b and the guiding hole 6d, and core bar 8 passes the baffle, and 8 lower extremes of core bar are equipped with the sliding part 8a that slides and set up in guiding hole 6d, and 8a lateral parts of sliding part are equipped with the sealing washer. Wherein, the center of the lower end of the core 6 is provided with an inner concave position, and a port of the pressure regulating channel 6a and a port of the guide hole 6d are both positioned on the top wall of the inner concave position. Be equipped with mating holes 1a4 in the valve body 1 upper end, valve rod 2 lower extreme threaded connection has pressure cover 10, and pressure cover 10 is fixed with mating holes 1a4 circumference, enables when valve rod 2 rotates and presses cover 10 to promote core bar 8 and move down and close apopore 6 b.

As shown in fig. 3 and 4, a filter screen cylinder 7 is sleeved outside the core 6, an annular positioning seat is arranged at a position, close to the lower end, outside the core 6, and the lower end of the filter screen cylinder 7 is sleeved outside the annular positioning seat. An annular stop surface 1a5 is arranged in the body 1a, an annular limiting surface 6e is arranged at the position, close to the upper end, of the outer side of the core 6, and the upper end of the filter screen cylinder 7 and the annular limiting surface 6e are abutted against the annular stop surface 1a 5. The filter screen cylinder 7 is arranged, so that water can be filtered before entering the core 6, and the cleanliness of the discharged water is improved.

As shown in fig. 3 and 5, specifically, the valve body 1 includes a body 1a and a valve cap 1b screwed to the lower end of the body 1a, an annular surface 1a6 is provided in the lower end of the body 1a, the edge of the diaphragm 5 is clamped between the annular surface 1a6 and the upper end surface of the valve cap 1b, and the lower end surface of the core 6 abuts against the edge of the diaphragm 5. The lower end face of the core 6 is provided with an annular flange 6f, the upper side of the edge of the diaphragm 5 is provided with an annular bulge 5a, and the annular bulge 5a is limited between the annular flange 6f and the inner wall of the lower end of the body 1 a. The rim of the diaphragm 5 is clamped between the annular surface 1a6 and the upper end surface of the cap 1b so that the rim of the diaphragm 5 is fixed and only the center of the diaphragm 5 is deformed. Meanwhile, the annular bulge 5a on the upper side of the edge of the diaphragm 5 is positioned between the annular flange 6f and the inner wall of the lower end of the body 1a, so that the diaphragm 5 cannot move left and right.

As shown in fig. 1, 2, 3 and 6, the combined multifunctional magnetic lock valve further includes a key 11 that can be sleeved on the lock cap 3 to unlock the magnetic lock mechanism, the key 11 is specifically cylindrical, a sleeved hole 11b having the same shape as the upper end of the lock cap 3 is formed in the center of the lower end surface of the key 11, and a magnet 11c having the same magnetism as the magnetic steel 14 is embedded in the lower end surface of the key 11. Two slots 3a are symmetrically arranged on the lock cap 3, and two pins 11a capable of being inserted into the slots 3a are symmetrically arranged on the lower end surface of the key 11. The lower end of the valve cover 1b is provided with an opening, the valve cover 1b is internally threaded with a pressure regulating head 12, a pressure regulating spring 4 is arranged between the pressure regulating head 12 and the diaphragm 5, the lower end surface of the pressure regulating head 12 is symmetrically provided with two connecting grooves 12a, the outer diameter of the key 11 is slightly smaller than the inner diameter of the valve cover 1b, and two pins 11a of the key 11 can be inserted into the connecting grooves 12 a.

The combined multifunctional magnetic locking valve has the following functions:

1. when the first mounting hole on the rotary lock cap 3 is opposite to the second mounting hole on the valve body 1, the pin 16 is inserted into the second mounting hole under the elastic force of the spring to circumferentially fix the lock cap 3 and the valve body 1, so that the lock cap 3 cannot be rotated to prevent the valve rod 2 from being operated, and the magnetic locking function is realized;

2. the key 11 is sleeved on the lock cap 3 to drive the valve rod 2 to rotate, the pressing sleeve 10 can be driven to move downwards along the matching hole 1a4, and then the core rod 8 is pushed to move downwards to enable the sealing gasket 9 to seal the water outlet hole 6b, so that the whole water channel is cut off to realize the cut-off function;

3. after the pressure sleeve 10 is separated from the core rod 8, the membrane 5 pushes the core rod 8 upwards under the elastic force action of the pressure regulating spring 4 to open the water outlet hole 6b, water flows into the water outlet cavity from the water inlet end 1a1 through the water inlet channel 1a3, the water inlet gap, the water inlet hole 6c and the water outlet hole 6b in sequence, then part of the water flows into the pressure regulating cavity through the pressure regulating channel 6a, when the water pressure is too high, the membrane 5 moves downwards to enable the core rod 8 to move downwards, so that the flux of the water flowing out of the water outlet hole 6b is reduced to reduce the water pressure of the outlet water; when the water pressure is reduced, the diaphragm 5 is acted by the pressure regulating spring 4 to drive the core rod 8 to move upwards again, so that the outflow flux of the water outlet hole 6b is increased, the water pressure of the water outlet is increased, and in the whole water outlet process, the steps are circularly carried out, so that the pressure of the water outlet end 1a2 is kept stable, and the dynamic pressure stabilizing function is realized;

4. the filter screen cylinder 7 is sleeved outside the core 6, so that impurities in water can be filtered before entering the core 6, and the filtering function is realized;

5. the check valve 13 is fixed in the water outlet end 1a2, so that the backflow prevention and drip-proof functions are realized.

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 (8)

1. Combined type multifunctional magnetic locking valve, which comprises a valve body (1) with a water inlet end (1a1) at the left end, a valve rod (2) fixed in the valve body (1) along the axial direction and a locking cap (3) fixed outside the upper end of the valve body (1) along the axial direction and capable of rotating, wherein a magnetic locking mechanism capable of fixing the locking cap (3) and the valve body (1) in the circumferential direction is arranged between the upper end face of the locking cap (3) and the upper end face of the valve body (1), the upper end of the valve rod (2) is fixed in the circumferential direction with the locking cap (3), and is characterized in that a pressure regulating spring (4), a diaphragm (5) and a core (6) are arranged in the lower end of the valve body (1) from bottom to top, a pressure regulating cavity is formed between the diaphragm (5) and the core (6), a pressure regulating channel (6a) for communicating the water cavity and the pressure regulating cavity is arranged on the core (6), the water outlet (6b) is arranged on the upper end face of the core (6), a plurality of water inlet holes (6c) are formed in the side portion of the core (6) and penetrate through the position, close to the upper end, of the side portion of the core (6), a water inlet gap is formed between the side portion of the core (6) and the inner wall of the valve body (1), a water inlet channel (1a3) communicated with the water inlet gap and the water inlet end (1a1) is obliquely arranged on the side portion of the valve body (1), a filter screen cylinder (7) is sleeved outside the core (6), a core rod (8) is fixed in the center of the membrane (5), the core rod (8) penetrates through the core (6) and is fixed with a sealing gasket (9) capable of closing the water outlet (6b), a matching hole (1a4) is formed in the upper end of the valve body (1), a pressing sleeve (10) circumferentially fixed with the matching hole (1a4) is connected to.

2. The combined type multifunctional magnetic locking valve as claimed in claim 1, wherein an annular stop surface (1a5) is provided in the valve body (1), an annular limit surface (6e) is provided at the outer side of the core (6) near the upper end, the upper end of the filter screen cylinder (7) and the annular limit surface (6e) are both abutted against the annular stop surface (1a5), an annular positioning seat is provided at the outer side of the core (6) near the lower end, and the lower end of the filter screen cylinder (7) is sleeved outside the annular positioning seat.

3. The combined type multifunctional magnetic locking valve according to claim 2, characterized in that the valve body (1) comprises a body (1a) and a valve cover (1b) which is in threaded connection with the lower end of the body (1a), an annular surface (1a6) is arranged in the lower end of the body (1a), the edge of the diaphragm (5) is clamped between the annular surface (1a6) and the upper end surface of the valve cover (1b), and the lower end surface of the core (6) abuts against the edge of the diaphragm (5).

4. The combined type multifunctional magnetic locking valve according to claim 3, characterized in that the lower end surface of the core (6) is provided with an annular flange (6f), the upper side of the edge of the membrane (5) is provided with an annular protrusion (5a), and the annular protrusion (5a) is limited between the annular flange (6f) and the inner wall of the lower end of the body (1 a).

5. The combined multifunctional magnetic lock valve according to claim 1, 2, 3 or 4, characterized in that the lower end of the core (6) is provided with a guide hole (6d), a partition is arranged between the water outlet hole (6b) and the guide hole (6d), the core rod (8) penetrates through the partition, the lower end of the core rod (8) is provided with a sliding part (8a) slidably arranged in the guide hole (6d), and the side part of the sliding part (8a) is provided with a sealing ring.

6. The combined type multifunctional magnetic lock valve according to claim 5, characterized in that the center of the lower end of the core (6) is provided with a concave position, and a port of the pressure regulating channel (6a) and an orifice of the guide hole (6d) are both positioned on the top wall of the concave position.

7. The combined type multifunctional magnetic locking valve as claimed in claim 1, further comprising a key (11) sleeved on the locking cap (3) to unlock the magnetic locking mechanism, wherein the lower end of the valve cover (1b) is open and the valve cover (1b) is internally threaded with a pressure regulating head (12), the pressure regulating spring (4) is arranged between the pressure regulating head (12) and the diaphragm (5), two connecting grooves (12a) are symmetrically arranged on the lower end surface of the pressure regulating head (12), the key (11) is cylindrical and has an outer diameter slightly smaller than the inner diameter of the valve cover (1b), and two pins (11a) capable of being inserted into the connecting grooves (12a) are symmetrically arranged on the lower end surface of the key (11).

8. The combined type multifunctional magnetic locking valve as claimed in claim 1, characterized in that the right end of the valve body (1) is a water outlet end (1a2) communicated with the water outlet cavity, and a check valve (13) is fixed in the water outlet end (1a 2).

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