CN213982162U

CN213982162U - Magnetic filtering non-return gate valve

Info

Publication number: CN213982162U
Application number: CN202023081867.4U
Authority: CN
Inventors: 陈金明
Original assignee: Zhejiang Crown Industrial Co ltd
Current assignee: Zhejiang Crown Industrial Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-08-17
Anticipated expiration: 2030-12-18

Abstract

The utility model provides a non return gate valve is filtered to magnetism belongs to valve technical field. It has solved the problem that the use of current many function combination valve lacks the supervision. This magnetic filter non-return gate valve, including valve body, case, valve rod and handle, case and the inner threaded connection of valve rod, have in the valve body and carry out the spacing portion of circumference to the case, the valve body top has the neck, the end fixing of neck has the locking cap, locking cap one end is provided with the locking cap, the outer end and the locking cap of valve rod link firmly, locking cap one end has recessed shrinkage pool, the locking cap has recessed lockhole, be provided with magnet one and locking spring in the shrinkage pool, magnet one stretches into in the lockhole under the spring action of locking spring, the handle can with locking cap circumference is fixed and between the two for can dismantle the connection, still be fixed with on the handle and make magnet one compress the locking spring and retract completely under the magnetic force effect magnet two in the shrinkage pool. This magnetic filter non return gate valve has long service life's advantage.

Description

Magnetic filtering non-return gate valve

Technical Field

The utility model belongs to the technical field of the valve, a magnetism filters non return gate valve is related to.

Background

Valves are accessories for pipes used to open and close the pipe, control flow direction, regulate and control parameters of the transport medium. According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. Along with the requirement of people is higher and higher, in same pipe network, often need use a plurality of valves that have different functions to realize different pipeline control, for example, use the filter screen to filter the impurity in the pipeline, use the check valve to prevent that the medium from carrying back refluence etc..

In order to avoid the problems of inconvenient operation, high use cost and the like caused by excessive connecting valves in the same pipe network, people design various combined valves, integrate different valve functions into the same valve according to different use requirements, are convenient to use and reduce the cost. Meanwhile, in order to avoid the situation that the volume of the multifunctional combined valve is too large and the cost is too high, each functional assembly in the multifunctional valve is often designed to be compact.

However, the use of the existing multifunctional combination valve is lack of supervision, if the multifunctional combination valve is frequently operated for a long time or unreasonably operated, the opening and closing faults of the valve are easily caused, the service lives of other functional components are even influenced, and the maintenance cost after the faults is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem that prior art exists, provide a magnetism and filtered non return gate valve, solved the problem that the use of current many function combination valve lacks the supervision.

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

a magnetic filtering non-return gate valve comprises a valve body, a valve core, a valve rod and a handle, wherein the two ends of the valve body are respectively provided with a water inlet end and a water outlet end, the valve core, the valve rod and the handle are arranged in the valve body, the valve core is sleeved on the outer side of the inner end of the valve rod and is in threaded connection with the inner end of the valve rod, a limiting part capable of circumferentially limiting the valve core is further arranged in the valve body, a filter screen is fixed in the water inlet end, a non-return core and a non-return spring are arranged in the water outlet end, the non-return spring acts on the non-return core and enables the non-return core to block between the water inlet end and the water outlet end, the magnetic filtering non-return gate valve is characterized in that the top of the valve body is provided with a protruding cylindrical neck part, a cylindrical fixing cap is coaxially fixed at the end part of the neck part, a locking cap is arranged at one end, which is far away from the neck part, of the fixing cap is sequentially penetrated through the neck part and the fixing cap and fixedly connected with the locking cap, go to on the fixed cap the one end of lock cap has recessed shrinkage pool, the lock cap with the position that the shrinkage pool is relative has recessed lockhole, be provided with magnet one and locking spring in the shrinkage pool, magnet one stretches out the shrinkage pool and stretches into in the lockhole in the spring action part of locking spring, the handle can with lock cap circumference is fixed and for dismantling the connection between the two, still be fixed with on the handle and make a magnet compression locking spring and retract completely under the magnetic force effect magnet two in the shrinkage pool.

This magnetic filter non return gate valve intakes setting of filter screen of end can provide filtering capability for the valve, and the non return core and the non return spring of play water end can provide the function that prevents the refluence for the valve, and case and valve rod threaded connection, and carry out circumference spacing to the case through spacing portion for the valve rod when the rotation in a circumferential direction, case can be for valve rod axial displacement, realizes the on-off control of valve. In addition, through the setting of magnet one and magnet two on lock cap and the handle for lock cap and handle pair one by one, can dismantle the handle and avoid other people to operate the valve, have realized effectual supervision, have avoided the valve by the condition of frequent operation, guarantee the life of multifunctional valve.

In foretell magnetic filter non return gate valve, the lock cap is kept away from the position of the skew valve rod axis of the one end of locking cap has recessed spacing hole, it is the spacing post of column to correspond to have the protrusion on the handle, spacing post can insert spacing downthehole and make handle and lock cap circumference fixed.

As another aspect, in the magnetic filtering check gate valve mentioned above, one end of the locking cap, which is far away from the fixing cap, has a convex connecting portion, the cross section of the connecting portion is square, and the handle has a concave connecting hole, the shape of the connecting hole matches with the shape of the connecting portion.

In foretell magnetic filter non return gate valve, the inboard of locking cap has the protrusion to be annular fender shoulder, the outside of valve rod still the cover be equipped with be annular interior pressure cap just the valve rod can for interior pressure cap circumferential direction, interior pressure cap threaded connection be in the locking cap, the outside of valve rod still has the protrusion to be annular convex shoulder, the convex shoulder is located keep off the shoulder with interior pressure between the cap.

In foretell magnetic filter non return gate valve, the quantity of shrinkage pool, lockhole, magnet one, magnet two and locking spring is several and one-to-one setting, several the shrinkage pool winds the axis equipartition of valve rod is in on the locking cap.

In foretell magnetic filter non return gate valve, the bottom of the end of intaking runs through and sets up the installing port that can supply the filter screen to pack into, the inboard at end top of intaking with the corresponding department in installing port position has recessed spacing mouthful, the filter screen inserts in the spacing mouthful, the installing port department of the end of intaking still threaded connection has the end cover.

In foretell magnetic filtration non return gate valve, it has the nut to go out water end female connection, the nut internal fixation has the support, the inboard of valve body has to go out water end tip direction protrusion and be annular sealing ring, non return core and non return spring all set up between sealing ring and support, non return spring's both ends lean on with support and non return core counterbalance respectively, the non return core supports under non return spring's elastic force and leans on the sealing ring.

In foretell magnetic filter non return gate valve, the support is including being the annular lantern ring and following the several branch of the radial setting of the lantern ring, several branch around the axis equipartition of the lantern ring, the one end of several branch all with the lateral surface of the lantern ring is fixed, the other end all with the nut is inboard fixed.

In foretell magnetic filter check gate valve, the non return core is including being flat discoid sealing and being the shaft-like portion of wearing to establish, wear to establish the portion and wear to establish in the cover intra-annular, and wear to establish the one end of portion with sealing one end is fixed, the other end of sealing is provided with sealed the pad, the non return spring cover is established wear to establish the portion outside, and the one end of non return spring supports and leans on the support, the other end supports and leans on in the sealing.

In foretell magnetic filter non return gate valve, the one end that the portion of wearing to establish was kept away from to the sealing has the axial protrusion to be cylindric projection, sealed pad is ring shape and cover and establishes the projection outside, the one end outside of keeping away from the sealing on the projection has the protrusion to be ring shape bulge loop, sealed pad can support and lean on the bulge loop.

Compared with the prior art, the magnetic filtering check gate valve is additionally provided with a magnetic locking structure in the multifunctional combined valve, so that the multifunctional combined valve can be effectively supervised, the arbitrary operation of non-operators is avoided, and the service life of the valve is ensured.

Drawings

FIG. 1 is a schematic view of the magnetic filtering check gate valve.

In the figure, 1, a water inlet end; 2. a water outlet end; 3. a valve body; 4. a valve core; 5. a valve stem; 6. a handle; 7. a filter screen; 8. a non-return core; 9. a check spring; 10. a neck portion; 11. a fixing cap; 12. a lock cap; 13. a limiting column; 14. a connecting portion; 15. a shoulder block; 16. an inner pressure cap; 17. a shoulder is formed; 18. a limiting port; 19. an end cap; 20. a nut; 21. a support; 22. a seal ring; 23. a collar; 24. a strut; 25. a sealing part; 26. a penetration part; 27. a gasket; 28. a convex column; 29. a convex ring.

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, the magnetic filtering check gate valve comprises a valve body 3 with a water inlet end 1 and a water outlet end 2 at two ends, a valve core 4, a valve rod 5 and a handle 6 which are arranged in the valve body 3, wherein the valve core 4 is sleeved at the outer side of the inner end of the valve rod 5 and is in threaded connection with the inner end of the valve rod 5, and a limiting part capable of circumferentially limiting the valve core 4 is further arranged in the valve body 3. The top of the valve body 3 is provided with a protruding cylindrical neck 10, the neck 10 is communicated with the inside of the valve body 3, and the outer end of the valve rod 5 penetrates out of the neck 10 and is matched with the handle 6. In this embodiment, the cross section of the valve element 4 may be square, and the cross section of the limiting portion may also be square, so that the valve element 4 is circumferentially limited by the shape matching.

Still threaded connection has in the tip of neck 10 to be cylindric locking cap 11, the one end that locking cap 11 kept away from neck 10 is provided with locking cap 12, the outer end of valve rod 5 passes neck 10 and locking cap 11 in proper order and links firmly with locking cap 12, the one end towards locking cap 12 has recessed shrinkage pool on the locking cap 11, locking cap 12 has recessed lockhole with the position that the shrinkage pool is relative, be provided with magnet one and locking spring in the shrinkage pool, magnet one stretches out the shrinkage pool and stretches into in the lockhole under the spring action of locking spring part down. The handle 6 can be fixed with lock cap 12 circumference and between the two for can dismantle the connection, still is fixed with magnet two on the handle 6, and magnet two sets up with magnet one like magnetic pole relatively, enables magnet one compression locking spring and retract in the concave hole completely under the effect of magnetic repulsion.

In the embodiment, the number of the concave holes, the number of the lock holes, the number of the first magnets, the number of the second magnets and the number of the locking springs are all a plurality and are arranged in a one-to-one correspondence manner, and the plurality of concave holes are uniformly distributed on the fixing cap 11 around the axis of the valve rod 5; one end of the lock cap 12 facing the fixing cap 11 is provided with a concave cavity, and the end part of the opening of the lock cap 12 is sleeved on the outer side of the fixing cap 11; a concave limiting hole is formed in the position, deviating from the axis of the valve rod 5, of one end, far away from the fixing cap 11, of the lock cap 12, a convex columnar limiting column 13 is correspondingly arranged on the handle 6, and the limiting column 13 can be inserted into the limiting hole to circumferentially fix the handle 6 and the lock cap 12; the end of the locking cap 12 far away from the fixing cap 11 is also provided with a convex connecting part 14, the cross section of the connecting part 14 is square, the handle 6 is provided with a concave connecting hole, and the shape of the connecting hole is matched with that of the connecting part 14.

The inside of locking cap 11 has the protrusion and is the annular fender shoulder 15 that appears, and the outside of valve rod 5 still overlaps and is equipped with the annular interior pressure cap 16 that appears and valve rod 5 can be for interior pressure cap 16 circumferential direction, and interior pressure cap 16 threaded connection is in locking cap 11, and the outside of valve rod 5 still has the protrusion and is annular shoulder 17, and this shoulder 17 is located and keeps off between shoulder 15 and the interior pressure cap 16, has realized axial spacing.

The internal fixation of end 1 of intaking has the filter screen 7 that is the tube-shape, and the bottom of end 1 of intaking runs through and sets up the installing port that can supply filter screen 7 to pack into, and the inboard and the installing port position department of end 1 top of intaking has recessed spacing mouthful 18, and in filter screen 7 inserted spacing mouthful 18, the installing port department of end 1 of intaking still threaded connection had end cover 19.

The water outlet end 2 is internally threaded with a cylindrical nut 20, a support 21 is fixed in the nut 20, the inner side of the valve body 3 is provided with a sealing ring 22 which protrudes towards the end part of the water outlet end 2 and is annular, a non-return core 8 and a non-return spring 9 are arranged between the sealing ring 22 and the support 21, two ends of the non-return spring 9 are respectively abutted against the support 21 and the non-return core 8, and the non-return core 8 is abutted against the sealing ring 22 under the elastic force action of the non-return spring 9 and enables the non-return core 8 to block the space between the water inlet end 1 and the water outlet end 2.

In this embodiment, the bracket 21 includes a ring-shaped collar 23 and a plurality of struts 24 radially disposed along the collar 23, the struts 24 are uniformly distributed around the axis of the collar 23, one ends of the struts 24 are fixed to the outer side of the collar 23, and the other ends of the struts are fixed to the inner side of the nut 20. Check core 8 is including being flat discoid sealing portion 25 and being the rodlike portion 26 of wearing to establish, wear to establish portion 26 and wear to establish in lantern ring 23, and the one end of wearing to establish portion 26 is fixed with sealing portion 25 one end, sealing portion 25's the other end has the axial protrusion and is cylindric projection 28, projection 28 outside cover is equipped with the flaky sealed pad 27 of ring shape, the one end outside of keeping away from sealing portion 25 on the projection 28 has the protrusion and is the annular bulge loop 29 of circle, sealed pad 27 can support and lean on the bulge loop 29. The check spring 9 is sleeved outside the penetrating part 26, one end of the check spring 9 is abutted against the support 21, and the other end of the check spring is abutted against the sealing part 25.

This magnetic filter non return gate valve intakes setting of filter screen 7 of end 1 can provide filtering capability for the valve, but change alone removable end cover 19 after long-term use, go out non return core 8 and the non return spring 9 of water end 2 and can provide the function that prevents the refluence for the valve, but change alone removable nut 20 after long-term use,

case

4 and 5 threaded connection of valve rod, and carry out circumference spacingly to case 4 through spacing portion, make valve rod 5 when circumferential direction is rotatory, case 4 can be for 5 axial displacement of valve rod, realize the open and close control of valve. Through the setting of magnet one and magnet two on lock cap 12 and the handle 6 for lock cap 12 and handle 6 pair one by one, can avoid other people to operate the valve after dismantling handle 6, realized effectual supervision, avoided the valve by the condition of frequent operation, guarantee the life of multifunctional valve.

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 magnetic filtering check gate valve comprises a valve body (3) with a water inlet end (1) and a water outlet end (2) at two ends, a valve core (4), a valve rod (5) and a handle (6) which are arranged in the valve body (3), wherein the valve core (4) is sleeved on the outer side of the inner end of the valve rod (5) and is in threaded connection with the inner end of the valve rod (5), a limiting part capable of circumferentially limiting the valve core (4) is further arranged in the valve body (3), a filter screen (7) is fixed in the water inlet end (1), a check core (8) and a check spring (9) are arranged in the water outlet end (2), the check spring (9) acts on the check core (8) and enables the check core (8) to block the space between the water inlet end (1) and the water outlet end (2), and is characterized in that a neck part (10) which protrudes to be cylindrical is arranged at the top of the valve body (3), a cylindrical fixing cap (11) is coaxially fixed at the end part of the neck part (10), a locking cap (12) is arranged at one end of the fixing cap (11) far away from the neck part (10), the outer end of the valve rod (5) sequentially passes through the neck part (10) and the fixing cap (11) and is fixedly connected with the locking cap (12), the fixing cap (11) is provided with a concave hole at one end facing the locking cap (12), a concave lock hole is arranged at the position of the lock cap (12) opposite to the concave hole, a first magnet and a locking spring are arranged in the concave hole, the first magnet partially extends out of the concave hole and extends into the lock hole under the action of the elastic force of the locking spring, the handle (6) can be circumferentially fixed with the lock cap (12) and is detachably connected with the lock cap, and a second magnet which can enable the first magnet to compress the locking spring and retract into the concave hole completely under the action of magnetic force is also fixed on the handle (6).

2. A magnetic filtering non-return gate valve according to claim 1, characterized in that the end of the locking cap (12) away from the fixing cap (11) is provided with a concave limiting hole at a position deviating from the axis of the valve stem (5), the handle (6) is correspondingly provided with a convex cylindrical limiting post (13), and the limiting post (13) can be inserted into the limiting hole to circumferentially fix the handle (6) and the locking cap (12).

3. A magnetic filtering non-return gate valve according to claim 1 or 2, characterized in that the end of the locking cap (12) remote from the fixing cap (11) has a protruding connection portion (14), the cross section of the connection portion (14) is square, the handle (6) has a recessed connection hole, the shape of the connection hole matches with the shape of the connection portion (14).

4. A magnetic filtering non-return gate valve according to claim 1 or 2, characterized in that the inside of the fixed cap (11) has a protruding annular stop shoulder (15), the outside of the valve stem (5) is also sleeved with an annular internal pressure cap (16) and the valve stem (5) can rotate circumferentially relative to the internal pressure cap (16), the internal pressure cap (16) is screwed into the fixed cap (11), the outside of the valve stem (5) also has a protruding annular shoulder (17), the shoulder (17) is located between the stop shoulder (15) and the internal pressure cap (16).

5. The magnetic filtering check gate valve according to claim 1 or 2, characterized in that the number of the concave holes, the number of the lock holes, the number of the first magnet, the number of the second magnet and the number of the locking springs are all several and are arranged in a one-to-one correspondence, and the several concave holes are uniformly distributed on the fixing cap (11) around the axis of the valve rod (5).

6. The magnetic filtering check gate valve according to claim 1 or 2, characterized in that a mounting opening for installing the filter screen (7) is formed in the bottom of the water inlet end (1) in a penetrating manner, a concave limiting opening (18) is formed in the position, corresponding to the mounting opening, of the inner side of the top of the water inlet end (1), the filter screen (7) is inserted into the limiting opening (18), and an end cover (19) is further connected to the mounting opening of the water inlet end (1) in a threaded manner.

7. The magnetic filtering check gate valve according to claim 1 or 2, characterized in that a nut (20) is connected to the water outlet end (2) in a threaded manner, a support (21) is fixed in the nut (20), a sealing ring (22) which protrudes towards the end of the water outlet end (2) and is annular is arranged on the inner side of the valve body (3), the check core (8) and the check spring (9) are both arranged between the sealing ring (22) and the support (21), the two ends of the check spring (9) respectively abut against the support (21) and the check core (8), and the check core (8) abuts against the sealing ring (22) under the elastic force of the check spring (9).

8. The magnetic filtering check gate valve of claim 7, wherein the support (21) comprises a circular ring-shaped collar (23) and a plurality of support rods (24) arranged along the radial direction of the collar (23), the plurality of support rods (24) are uniformly distributed around the axis of the collar (23), one end of each of the plurality of support rods (24) is fixed with the outer side surface of the collar (23), and the other end of each of the plurality of support rods is fixed with the inner side of the nut (20).

9. The magnetic filtering check gate valve according to claim 8, characterized in that the check core (8) comprises a sealing portion (25) in the shape of a flat disk and a through-hole portion (26) in the shape of a rod, the through-hole portion (26) is inserted into the collar (23), one end of the through-hole portion (26) is fixed to one end of the sealing portion (25), the other end of the sealing portion (25) is provided with a sealing pad (27), the check spring (9) is sleeved outside the through-hole portion (26), one end of the check spring (9) abuts against the bracket (21), and the other end abuts against the sealing portion (25).

10. The magnetic filtering check gate valve of claim 9, wherein one end of the sealing portion (25) far away from the penetrating portion (26) is provided with a cylindrical protruding column (28) protruding axially, the sealing gasket (27) is annular and sleeved outside the protruding column (28), one end of the protruding column (28) far away from the sealing portion (25) is provided with a protruding ring (29) protruding annularly, and the sealing gasket (27) can abut against the protruding ring (29).