CN112576809A

CN112576809A - Water hammer-proof high-pressure electromagnetic valve with manual opening function

Info

Publication number: CN112576809A
Application number: CN202011598822.6A
Authority: CN
Inventors: 余建宏
Original assignee: Yutao Yongchuang Solenoid Valve Co ltd
Current assignee: Yutao Yongchuang Solenoid Valve Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-03-30

Abstract

The invention discloses a waterproof hammer with a manually opened high-pressure electromagnetic valve, which adopts the technical scheme that: the novel valve comprises a valve body, valve body bottom both sides are equipped with water inlet and delivery port respectively, the inside movable mounting in valve body upper end has piston assembly, valve body top fixed mounting has the valve gap, the inboard fixed mounting in valve gap top has first O type circle, the inside slidable mounting of valve gap has iron core subassembly, the inside fixed connection in iron core subassembly bottom and piston assembly upper end, the iron core spring has been cup jointed in the iron core subassembly lower extreme outside, the iron core spring sets up inside the valve gap, valve gap upper end right side is rotated and is connected with the rotation handle, the left side tip and the iron core subassembly lower extreme right side joint of rotation handle through setting up the magnetism isolating pipe that adopts syllogic structural design, can accomplish to reach the effect of maximum magnetic force with minimum coil power, and copper pad and back spring strengthen sealed effect in order to prevent droing of.

Description

Water hammer-proof high-pressure electromagnetic valve with manual opening function

Technical Field

The invention relates to the technical field of fire extinguishing and fire fighting, in particular to a water hammer with a manually opened high-pressure electromagnetic valve.

Background

In fire extinguishing systems, the extinguishing agent is generally stored centrally, with several extinguishing points being controlled by solenoid valves and pressures of even up to 50 kg. The control solenoid valves on the market today have two fatal drawbacks, the first: the pressure is too low and is not more than 2kg, the electromagnetic valve must be started firstly in actual fire extinguishing, then the fire extinguishing agent bottle head valve is started, once one part is on fire, the pressure is transmitted to the pipeline, if a second fire extinguishing point occurs, the electromagnetic valve cannot be opened, and serious results are caused. Secondly, the method comprises the following steps: pressure impact, the solenoid valve is usually opened by pressure difference, and in case the solenoid valve too high pressure can lead to serious water hammer impact phenomenon, whole fire extinguishing system can all be opened the solenoid valve in the twinkling of an eye by the impact force in the twinkling of an eye, leads to the loss of fire extinguishing agent, and pressure loss is serious, still can lead to the pollution that fire extinguishing agent sprays the cause in the twinkling of an eye. This requires a high pressure 50kg solenoid valve to prevent hammer impact to solve this series of problems.

Disclosure of Invention

In view of the problems mentioned in the background art, the present invention is directed to a waterproof hammer with a high pressure solenoid valve that is opened manually, so as to solve the problems mentioned in the background art.

The technical purpose of the invention is realized by the following technical scheme:

a waterproof hammer with a manually opened high-pressure electromagnetic valve comprises a valve body, wherein a water inlet and a water outlet are respectively arranged on two sides of the bottom of the valve body, a piston assembly is movably arranged inside the upper end of the valve body, a valve cover is fixedly arranged on the top of the valve body, a first O-shaped ring is fixedly arranged on the inner side of the top of the valve cover, an iron core assembly is slidably arranged inside the valve cover, the bottom of the iron core assembly is fixedly connected with the inside of the upper end of the piston assembly, an iron core spring is sleeved on the outer side of the lower end of the iron core assembly, the iron core spring is arranged inside the valve cover, a rotating handle is rotatably connected to the right side of the upper end of the valve cover, the left end of the rotating handle is clamped with the right side of the lower end of the iron core assembly, a magnetic separation, y type circle bottom joint has the copper pad, copper pad bottom fixed mounting has the return spring, the return spring bottom cup joints in the iron core subassembly upper end outside, magnetism pad is connected to magnetism pipe upper end outside fixed connection, the top fixedly connected with wave form pad of magnetism pad in the magnetism pipe upper end outside, there is inductive switch at magnetism pipe top through outer hexagon nut fixed mounting, the outside is equipped with third O type circle in the middle of the inductive switch inboard, the junction of iron core subassembly and piston assembly is equipped with the pressure relief groove.

By adopting the technical scheme, the piston assembly structure is matched with the water inlet and the water outlet, and the piston spring, the fourth O-shaped ring and the fifth O-shaped ring are added to form a buckling structure, so that the water hammer impact can be effectively prevented, and the stability of the electromagnetic valve in use is improved;

the magnetism isolating pipe adopting a three-section structural design is arranged, so that the effect of reaching the maximum magnetic force with the minimum coil power can be achieved, and the copper gasket and the return spring are used for preventing the Y-shaped ring from falling off and enhancing the sealing effect;

through the design that inductive switch and whole valve body structure were sent out, both effectually prevent to reduce outward and leak, the solenoid valve under the fine reduction high pressure works normally again, and the whole solenoid valve can bear the pressure and reach 50kg the highest simultaneously, and the space volume accomplishes extremely again, is convenient for even arrange the installation.

Preferably, the iron core subassembly includes movable iron core, movable iron core swing joint is inside the valve gap, movable iron core top fixedly connected with ejector pin, ejector pin swing joint is inside the magnetism isolating pipe, movable iron core bottom fixed mounting has the sealing member, the sealing member sets up in piston assembly top inboard.

Through adopting above-mentioned technical scheme, after the water inlet and the delivery port were opened to the solenoid valve, the pressure of piston assembly top part can cushion through the iron core spring, and sets up the ejector pin and can touch inductive switch, and cooperation Y type circle plays sealed effect.

Preferably, the magnetism isolating pipe comprises a soft magnetic pipe seat, the soft magnetic pipe seat is sleeved on the outer side of the upper end of the iron core assembly, a stainless steel pipe is fixedly mounted at the top of the soft magnetic pipe seat, a soft magnetic iron core is fixedly mounted at the top of the stainless steel pipe, and the induction switch is fixedly mounted inside the soft magnetic iron core.

By adopting the technical scheme, the magnetic force framework can be improved to the greatest extent by adopting the three-section design of the soft magnetic tube seat, the stainless steel tube and the soft magnetic iron core, so that the purpose of maximum magnetic force can be achieved by minimum coil power. The upper part of the soft magnetic iron core is provided with a signal induction switch, and the lower part is provided with a Y-shaped ring.

Preferably, the piston assembly comprises a base, the base is movably mounted inside the upper end of the valve body, a sealing plug is fixedly mounted on the inner side of the upper end of the base through a fourth O-shaped ring, a valve guide port is arranged in the middle of the sealing plug, the inner side of the sealing plug is fixedly connected with the lower end of the iron core assembly through a fifth O-shaped ring, the size of the sealing plug corresponds to that of the inner side of the base, and the piston spring is sleeved with the outer side of the sealing plug.

Through adopting above-mentioned technical scheme, the external diameter size of sealing plug is close to the size of a dimension of sealed face area as far as possible, increases piston spring simultaneously and strengthens sealed effect, and the while is better plays waterproof hammer effect, and design fourth O type circle and fifth O type circle are opened or manual back of opening when the solenoid valve circular telegram in the sealing plug, and fourth O type circle and fifth O type circle cooperation movable iron core drive the sealing plug and move upward to open the guide valve mouth.

Preferably, the right side of the rotating handle is fixedly connected with a pin handle, the lower end of the left side of the rotating handle is provided with a convex block, and the convex block is connected with the bottom of the right side of the lower end of the iron core assembly in a laminating manner.

By adopting the technical scheme, when the system has no power supply or power supply opening faults, the rotating handle can be driven to rotate by the rotating pin handle, and the convex block applies force to the iron core component at the moment so that the pilot valve opening is opened.

Preferably, the outer side of the upper end of the top of the valve cover is in threaded connection with an inner hexagon screw, and a pin and an elastic cushion are arranged on the inner side of the inner hexagon screw.

Through adopting above-mentioned technical scheme, hexagon socket head cap screw and bullet pad mutually support the installation pin that can comparatively stabilize.

A groove is formed in the surface of the rotating handle corresponding to the position of the pin, and a second O-shaped ring is arranged on the outer side of the left end of the rotating handle.

Through adopting above-mentioned technical scheme, second O type circle plays sealed effect, and the pin can cooperate with the recess under high pressure to prevent to rotate the handle and pop out.

In summary, the invention mainly has the following beneficial effects:

firstly, through the mutual matching of the piston assembly structure and the water inlet and the water outlet and the buckling and pressing structure of the piston spring, the fourth O-shaped ring and the fifth O-shaped ring, the water hammer impact can be effectively prevented, so that the stability of the electromagnetic valve in use is improved;

secondly, by arranging the magnetism isolating pipe with a three-section structural design, the effect that the maximum magnetic force is reached by the minimum coil power can be achieved, and the copper pad and the return spring are used for preventing the Y-shaped ring from falling off and enhancing the sealing effect;

third, through the design that inductive switch and whole valve body structure were sent out, both effectually prevent to reduce outward and leak, the solenoid valve under the fine reduction high pressure works normally again, and the whole solenoid valve can bear the pressure and reach 50kg the highest simultaneously, and the space volume accomplishes extremely again, is convenient for arrange the installation in succession.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a core assembly of the present invention;

FIG. 3 is a schematic view of the structure of the magnetism isolating tube of the present invention;

FIG. 4 is a schematic illustration of the piston assembly of the present invention;

fig. 5 is a side view of the present invention.

Reference numerals: 1. a valve body; 2. a piston spring; 3. a water outlet; 4. a piston assembly; 5. a valve cover; 6. a first O-ring; 7. an iron core spring; 8. an iron core assembly; 9. a copper pad; 10. a Y-shaped ring; 11. a magnetism isolating pipe; 12. a magnetic pad; 13. a wave pad; 14. an outer hexagonal nut; 15. an inductive switch; 16. a third O-ring; 17. a rubber pad; 18. a return spring; 19. a coil; 20. a socket head cap screw; 21. a pin; 22. a spring pad; 23. a second O-ring; 24. rotating the handle; 25. a pin handle; 26. a seal member; 27. a movable iron core; 28. a top rod; 29. a soft magnetic tube seat; 30. a stainless steel tube; 31. a soft magnetic core; 32. a base; 33. a fourth O-ring; 34. a sealing plug; 35. a fifth O-ring; 36. a pressure relief groove; 37. a water inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, a water hammer with a manual opening high pressure solenoid valve comprises a valve body 1, wherein a water inlet 37 and a water outlet 3 are respectively arranged on two sides of the bottom of the valve body 1, a piston assembly 4 is movably arranged in the upper end of the valve body 1, a valve cover 5 is fixedly arranged on the top of the valve body 1, a first O-ring 6 is fixedly arranged on the inner side of the top of the valve cover 5, an iron core assembly 8 is slidably arranged in the valve cover 5, the bottom of the iron core assembly 8 is fixedly connected with the inner part of the upper end of the piston assembly 4, an iron core spring 7 is sleeved on the outer side of the lower end of the iron core assembly 8, the iron core spring 7 is arranged in the valve cover 5, a rotating handle 24 is rotatably connected on the right side of the upper end of the valve cover 5, the left end part of the rotating handle 24 is connected with the right side, a rubber pad 17 is arranged in the middle of the inner side of the magnetism isolating pipe 11, a Y-shaped ring 10 is fixedly installed at the bottom of the rubber pad 17, a copper pad 9 is clamped at the bottom of the Y-shaped ring 10, a return spring 18 is fixedly installed at the bottom of the copper pad 9, the bottom of the return spring 18 is sleeved on the outer side of the upper end of the iron core assembly 8, a magnetic pad 12 is fixedly connected to the outer side of the upper end of the magnetism isolating pipe 11, a wave-shaped pad 13 is fixedly connected to the top of the magnetic pad 12 on the outer side of the upper end of the magnetism isolating pipe 11, an induction switch 15 is fixedly installed at the top of the magnetism isolating pipe 11 through an outer hexagon nut 14, a third O-shaped ring 16 is arranged on the outer side of the middle of the inner side of;

through the mutual matching of the structure of the piston assembly 4, the water inlet 37 and the water outlet 3 and the buckling structure of the piston spring 2, the fourth O-shaped ring 33 and the fifth O-shaped ring 35, the water hammer impact can be effectively prevented, so that the stability of the electromagnetic valve in use is improved;

the magnetism isolating pipe 11 adopting a three-section structural design is arranged, so that the effect of reaching the maximum magnetic force by the minimum coil 19 power can be achieved, and the copper gasket 9 and the return spring 18 are used for preventing the Y-shaped ring 10 from falling off and enhancing the sealing effect;

through the design that inductive switch 15 and whole valve body 1 structure were sent out, both effectually prevent to reduce outward and leak, the solenoid valve under the fine reduction high pressure works normally again, and the whole solenoid valve can bear the pressure and reach 50kg the highest simultaneously, and the space volume accomplishes extremely again, is convenient for even arrange the installation.

Referring to fig. 1-5, for the purpose of improving stability and sealability; the iron core assembly 8 comprises a movable iron core 27, the movable iron core 27 is movably connected inside the valve cover 5, the top of the movable iron core 27 is fixedly connected with an ejector rod 28, the ejector rod 28 is movably connected inside the magnetism isolating pipe 11, a sealing element 26 is fixedly installed at the bottom of the movable iron core 27, and the sealing element 26 is arranged on the inner side of the top of the piston assembly 4; after the electromagnetic valve opens the water inlet 37 and the water outlet 3, the pressure of the upper part of the piston assembly 4 can be buffered through the iron core spring 7, the ejector rod 28 is arranged to touch the inductive switch 15, and the Y-shaped ring 10 is matched to play a role of sealing.

With reference to fig. 1, 3 and 5, for the purpose of increasing the power of the coil 19; the magnetism isolating pipe 11 comprises a soft magnetic pipe seat 29, the soft magnetic pipe seat 29 is sleeved with the outer side of the upper end of the iron core assembly 8, a stainless steel pipe 30 is fixedly installed at the top of the soft magnetic pipe seat 29, a soft magnetic iron core 31 is fixedly installed at the top of the stainless steel pipe 30, and the induction switch 15 is fixedly installed inside the soft magnetic iron core 31; the magnetic structure can be improved to the maximum extent by adopting the three-section design of the soft magnetic tube seat 29, the stainless steel tube 30 and the soft magnetic core 31, and the purpose of maximum magnetic force can be achieved by using the minimum power of the coil 19. The upper part of the soft magnetic iron core 31 is used for placing the signal induction switch 15, and the lower part is used for placing the Y-shaped ring 10.

Referring to fig. 1, 4 and 5, for the purpose of resisting water hammer impacts; the piston assembly 4 comprises a base 32, the base 32 is movably mounted inside the upper end of the valve body 1, a sealing plug 34 is fixedly mounted on the inner side of the upper end of the base 32 through a fourth O-ring 33, a valve guide port is formed in the middle of the sealing plug 34, the inner side of the sealing plug 34 is fixedly connected with the lower end of the iron core assembly 8 through a fifth O-ring 35, the size of the sealing plug 34 corresponds to that of the inner side of the base 32, and the piston spring 2 is sleeved and connected with the outer side of the sealing plug 34; the size of the outer diameter of the sealing plug 34 is as close as possible to the size of the area of the sealing surface, meanwhile, the piston spring 2 is added to enhance the sealing effect, meanwhile, the waterproof hammer effect is better played, the fourth O-shaped ring 33 and the fifth O-shaped ring 35 are designed in the sealing plug 34, when the electromagnetic valve is powered on and opened or manually opened, the fourth O-shaped ring 33 and the fifth O-shaped ring 35 are matched with the movable iron core 27 to drive the sealing plug 34 to move upwards, and therefore the valve guide port is opened.

Referring to fig. 1 and 5, for the purpose of further improving the stability of the present solenoid valve; a pin handle 25 is fixedly connected to the right side of the rotating handle 24, a protruding block is arranged at the lower end of the left side of the rotating handle 24 and is connected with the bottom of the right side of the lower end of the iron core assembly 8 in an attaching mode, a hexagon socket head cap screw 20 is connected to the outer side of the upper end of the top of the valve cover 5 in a threaded mode, a pin 21 and an elastic cushion 22 are arranged on the inner side of the hexagon socket head cap screw 20, and a second O-shaped ring 23 is arranged on the; when the system has no power supply or has power supply starting failure, the rotating handle 24 can be driven to rotate by the rotating pin handle 25, at the moment, the convex block applies force to the iron core assembly 8, so that the pilot valve opening is opened, the pin 21 can be stably installed by the mutual matching of the socket head cap screw 20 and the elastic cushion 22, the second O-shaped ring 23 has a sealing effect, and the pin 21 can be matched with the groove under high pressure, so that the rotating handle 24 is prevented from popping up.

The use principle and the advantages are as follows: when the automatic water draining device is used, the coil 19 is electrified to attract the movable iron core 27 upwards, the water inlet 37 and the water outlet 3 at the position of the pilot valve opening are opened, water in the piston assembly 4 is drained, and because the water inflow is smaller than the water drainage amount, pressure difference is formed between the upper part and the lower part of the piston assembly 4 to push the sealing plug 34 to move upwards, so that the pilot valve opening is opened. Along with the upward movement of movable iron core 27, ejector pin 28 touches inductive switch 15, gives feedback signal to realized automatic operation, manual operation principle, will rotate handle 24 certain angle, drive movable iron core 27 upward movement, and the pilot valve mouth is opened, with the water evacuation in the piston assembly 4, because the inflow is less than the displacement, sealing plug 34 upper and lower formation pressure differential, with the help of water pressure thrust, promote sealing plug 34 upward movement simultaneously, make open in the valve body 1. Along with the upward movement of the movable iron core 27, the ejector rod 28 touches the inductive switch 15 to give a feedback signal, so that the manual operation is completed, and in order to adapt to the reliability and the structural space reduction of the sealing element 26 under high pressure as far as possible, a piston structure buckled and pressed by the fourth O-shaped ring 33 is adopted for sealing. Can play better sealed effect, can prolong the life-span of sealing member 26 again under the high pressure greatly and can reduce valve body 1 size, save space, after water inlet 37 and delivery port 3 are opened to the solenoid valve, the pressure of part can cushion through iron core spring 7 above piston assembly 4, and set up ejector pin 28 and can touch inductive switch 15, cooperation Y type circle 10 plays sealed effect, adopt soft-magnetic tube seat 29, stainless steel pipe 30, the design of soft-magnetic core 31 syllogic, can promote magnetic framework to the at utmost, reach the biggest magnetic force purpose with minimum coil 19 power. The signal induction switch 15 is placed on the upper part of the soft magnetic iron core 31, the Y-shaped ring 10 is placed on the lower part of the soft magnetic iron core 31, the outer diameter of the sealing plug 34 is as close as possible to the size of the area of the sealing surface, the piston spring 2 is added to enhance the sealing effect, and the waterproof hammer effect is better achieved, the fourth O-shaped ring 33 and the fifth O-shaped ring 35 are designed in the sealing plug 34, when the electromagnetic valve is electrified to be opened or manually opened, the fourth O-shaped ring 33 and the fifth O-shaped ring 35 are matched with the movable iron core 27 to drive the sealing plug 34 to move upwards so as to open the valve guide port, when the system has no power supply or power supply opening failure, the rotating handle 24 can be driven to rotate by the rotating pin handle 25, at the moment, the convex block exerts force on the iron core assembly 8 so as to open the valve guide port, the hexagon socket head, the pin 21 can engage the groove under high pressure to prevent the rotation handle 24 from ejecting.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a waterproof hammer takes manual high pressure solenoid valve that opens, includes valve body (1), its characterized in that: the water inlet (37) and the water outlet (3) are respectively arranged on two sides of the bottom of the valve body (1), a piston assembly (4) is movably mounted inside the upper end of the valve body (1), a valve cover (5) is fixedly mounted on the top of the valve body (1), a first O-shaped ring (6) is fixedly mounted on the inner side of the top of the valve cover (5), an iron core assembly (8) is slidably mounted inside the valve cover (5), the bottom of the iron core assembly (8) is fixedly connected with the inside of the upper end of the piston assembly (4), an iron core spring (7) is sleeved on the outer side of the lower end of the iron core assembly (8), the iron core spring (7) is arranged inside the valve cover (5), a rotating handle (24) is rotatably connected on the right side of the upper end of the valve cover (5), the left end part of the rotating handle (24) is connected with the, a coil (19) is wound on the outer side of the magnetism isolating pipe (11), a rubber pad (17) is arranged in the middle of the inner side of the magnetism isolating pipe (11), the bottom of the rubber pad (17) is fixedly provided with a Y-shaped ring (10), the bottom of the Y-shaped ring (10) is clamped with a copper pad (9), a return spring (18) is fixedly arranged at the bottom of the copper pad (9), the bottom of the return spring (18) is sleeved outside the upper end of the iron core component (8), the outer side of the upper end of the magnetism isolating pipe (11) is fixedly connected with a magnetic pad (12), the top of the outer side magnetic pad (12) of the upper end of the magnetism isolating pipe (11) is fixedly connected with a wave-shaped pad (13), the top of the magnetism isolating pipe (11) is fixedly provided with an inductive switch (15) through an outer hexagonal nut (14), a third O-shaped ring (16) is arranged on the outer side of the middle of the inner side of the inductive switch (15), and a pressure relief groove (36) is arranged at the joint of the iron core assembly (8) and the piston assembly (4).

2. The water hammer of claim 1, wherein the water hammer is provided with a manually opened high-pressure solenoid valve, and the water hammer is characterized in that: iron core subassembly (8) are including movable iron core (27), movable iron core (27) swing joint is inside in valve gap (5), movable iron core (27) top fixedly connected with ejector pin (28), ejector pin (28) swing joint is inside in magnetism isolating pipe (11), movable iron core (27) bottom fixed mounting has sealing member (26), sealing member (26) set up in piston assembly (4) top inboard.

3. The water hammer of claim 1, wherein the water hammer is provided with a manually opened high-pressure solenoid valve, and the water hammer is characterized in that: the magnetism isolating pipe (11) comprises a soft magnetic pipe seat (29), the soft magnetic pipe seat (29) is sleeved with the upper end outer side of the iron core assembly (8), a stainless steel pipe (30) is fixedly mounted at the top of the soft magnetic pipe seat (29), a soft magnetic core (31) is fixedly mounted at the top of the stainless steel pipe (30), and the induction switch (15) is fixedly mounted inside the soft magnetic core (31).

4. The water hammer of claim 1, wherein the water hammer is provided with a manually opened high-pressure solenoid valve, and the water hammer is characterized in that: piston assembly (4) include base (32), base (32) movable mounting is inside in valve body (1) upper end, base (32) upper end inboard has sealing plug (34) through fourth O type circle (33) fixed mounting, be equipped with the valve guide mouth in the middle of sealing plug (34), sealing plug (34) inboard is through fifth O type circle (35) and iron core subassembly (8) lower extreme fixed connection, the size of sealing plug (34) is corresponding with the size of base (32) inboard, piston spring (2) cup joint with the outside of sealing plug (34).

5. The water hammer of claim 1, wherein the water hammer is provided with a manually opened high-pressure solenoid valve, and the water hammer is characterized in that: rotate handle (24) right side fixedly connected with round pin handle (25), it is equipped with the lug to rotate handle (24) left side lower extreme, the lug is connected with the laminating of iron core subassembly (8) lower extreme right side bottom.

6. The water hammer of claim 1, wherein the water hammer is provided with a manually opened high-pressure solenoid valve, and the water hammer is characterized in that: the outer side of the upper end of the top of the valve cover (5) is in threaded connection with an inner hexagonal screw (20), and a pin (21) and an elastic cushion (22) are arranged on the inner side of the inner hexagonal screw (20).

7. The water hammer of claim 6, wherein the water hammer is provided with a manually opened high-pressure solenoid valve, and the water hammer is characterized in that: the surface of the rotating handle (24) is provided with a groove corresponding to the position of the pin (21), and the outer side of the left end of the rotating handle (24) is provided with a second O-shaped ring (23).