CN112576809B - A high-pressure solenoid valve with manual opening to prevent water hammer - Google Patents
A high-pressure solenoid valve with manual opening to prevent water hammer Download PDFInfo
- Publication number
- CN112576809B CN112576809B CN202011598822.6A CN202011598822A CN112576809B CN 112576809 B CN112576809 B CN 112576809B CN 202011598822 A CN202011598822 A CN 202011598822A CN 112576809 B CN112576809 B CN 112576809B
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- core assembly
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- valve cover
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 40
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 71
- 238000007789 sealing Methods 0.000 claims abstract description 54
- 238000002955 isolation Methods 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 11
- 239000010949 copper Substances 0.000 claims abstract description 11
- 230000003405 preventing effect Effects 0.000 claims abstract description 7
- 230000006698 induction Effects 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 20
- 230000002708 enhancing effect Effects 0.000 abstract description 4
- 239000008358 core component Substances 0.000 description 10
- 230000001939 inductive effect Effects 0.000 description 7
- 230000005389 magnetism Effects 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000306 component Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
- A62C35/68—Details, e.g. of pipes or valve systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/10—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid with additional mechanism between armature and closure member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/40—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
- F16K31/406—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor acting on a piston
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
- F16K31/602—Pivoting levers, e.g. single-sided
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Details Of Valves (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a waterproof hammer belt manual opening high-pressure electromagnetic valve which is characterized by comprising 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 in the upper end of the valve body, a valve cover is fixedly arranged at 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 in the valve cover, the bottom of the iron core assembly is fixedly connected with the inner part 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 in the valve cover, a rotating handle is rotatably connected on the right side of the upper end of the valve cover, the left end part of the rotating handle is clamped with the right side of the lower end of the iron core assembly, and a magnetic isolation tube adopting a three-section structure design can achieve the effect of maximum magnetic force by minimum coil power, and a copper pad and a return spring are used for preventing falling of a Y-shaped ring and simultaneously enhancing a sealing effect.
Description
Technical Field
The invention relates to the technical field of fire extinguishment and fire control, in particular to a waterproof hammer belt manual opening high-pressure electromagnetic valve.
Background
In fire extinguishing systems, the fire extinguishing agent is generally stored centrally, a plurality of fire extinguishing points are controlled by means of solenoid valves, and the pressure is even up to 50kg. The control solenoid valve on the market has two fatal defects, namely, the pressure is too low and does not exceed 2kg, the solenoid valve is started firstly for actual fire extinguishment, then the fire extinguishing agent bottle head valve is started, once one fire is started, the pressure is transmitted to a pipeline, and if a second fire extinguishing point occurs, the solenoid valve cannot be opened, so that serious consequences are caused. Secondly, the electromagnetic valve is opened by pressure difference in pressure impact, so that the electromagnetic valve can cause serious water hammer impact phenomenon once the pressure of the electromagnetic valve is too high, the electromagnetic valve can be opened instantly by impact force in the whole fire-fighting system, the loss of fire extinguishing agent is caused, the pressure loss is serious, and pollution caused by instant injection of the fire extinguishing agent is also caused. This requires a high pressure 50kg solenoid valve that resists the impact of a water hammer to solve this series of problems.
Disclosure of Invention
In order to solve the problems mentioned in the background art, the present invention provides a waterproof hammer belt for manually opening a high-pressure electromagnetic valve, so as to solve the problems mentioned in the background art.
The technical aim of the invention is realized by the following technical scheme:
The utility model provides a manual high pressure solenoid valve that opens in waterproof hammer area, includes the valve body, valve body bottom both sides are equipped with water inlet and delivery port respectively, valve body upper end internally mounted has the piston subassembly, valve body top fixed mounting has the valve gap, the inboard fixed mounting of valve gap top has first O type circle, valve gap internally mounted sliding has the iron core subassembly, iron core subassembly bottom and the inside fixed connection of piston subassembly upper end, iron core subassembly lower extreme outside has cup jointed the iron core spring, the iron core spring sets up in the valve gap inside, valve gap upper end right side rotates and is connected with the rotation handle, the left side tip and the iron core subassembly lower extreme right side joint of rotation handle, the magnet tube has been cup jointed in the iron core subassembly outside, magnet tube outside round joint has the coil, be equipped with the rubber pad in the middle of the magnet tube inboard, rubber pad bottom fixed mounting has the Y type circle, Y type circle bottom joint has the copper pad, copper pad bottom fixed mounting has the back force spring, back force spring bottom cup joints in iron core subassembly upper end outside, magnet tube upper end outside fixedly connected with the magnet pad, magnet tube outside is equipped with the magnet pad outside, magnet tube outside has the magnet pad outside through the magnet pad, the outside is equipped with the magnet pad outside of the magnet pad, the magnet pad has the magnet pad outside is equipped with the magnet pad, the outside has the magnet pad, the outside is equipped with the outside of the magnet pad, the magnet pad has the outside has the magnet pad.
By adopting the technical scheme, through the mutual matching of the piston assembly structure and the water inlet and the water outlet, and the buckling 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;
By arranging the magnetism isolating pipe with a three-section structure design, the effect of reaching the maximum magnetic force with the minimum coil power can be achieved, and the copper pad and the return spring are used for preventing the Y-shaped coil from falling off and enhancing the sealing effect;
through the design of inductive switch and whole valve body structure, not only effectually prevent that the outside from reducing leaking, the solenoid valve under the fine reduction high pressure works normally again, and whole solenoid valve can bear the pressure at the highest and reach 50kg simultaneously, and space volume accomplishes extremely again, is convenient for link to arrange the installation.
Preferably, the iron core assembly comprises a movable iron core, the movable iron core is movably connected inside the valve cover, the top of the movable iron core is fixedly connected with a push rod, the push rod is movably connected inside the magnetism isolating pipe, a sealing element is fixedly installed at the bottom of the movable iron core, and the sealing element is arranged on the inner side of the top of the piston assembly.
Through adopting above-mentioned technical scheme, after the solenoid valve opened water inlet and delivery port, the pressure of piston assembly top part can cushion through the core spring, and set up the ejector pin and can touch inductive switch, the cooperation Y type is enclosed and is played sealed effect.
Preferably, the magnetic isolation tube comprises a soft magnetic tube seat, the soft magnetic tube seat is sleeved outside the upper end of the iron core assembly, a stainless steel tube is fixedly arranged at the top of the soft magnetic tube seat, a soft magnetic iron core is fixedly arranged at the top of the stainless steel tube, and the induction switch is fixedly arranged 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 base, the stainless steel tube and the soft magnetic iron core, and the maximum magnetic force purpose can be achieved by the 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 movable mounting is inside the valve body upper end, the base upper end inboard is equipped with the sealing plug through fourth O type circle fixed mounting, be equipped with the valve port that leads in the middle of the sealing plug, the sealing plug inboard is through fifth O type circle and iron core assembly lower extreme fixed connection, the size of sealing plug corresponds with the size of base inboard, the piston spring cup joints the outside with the sealing plug.
Through adopting above-mentioned technical scheme, the external diameter size of sealing plug is as close as possible to the size of sealing surface area, increases piston spring simultaneously and strengthens sealed effect, better play waterproof hammer effect simultaneously, design fourth O type circle and fifth O type circle in the sealing plug is when the solenoid valve circular telegram is opened or after manual opening, and fourth O type circle and fifth O type circle cooperation movable iron core drive sealing plug upward movement to open the water conservancy diversion valve port.
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 lug, and the lug is connected with the bottom of the right side of the lower end of the iron core component in a fitting way.
Through adopting above-mentioned technical scheme, when the system does not have the power or the power opens the trouble, accessible rotation round pin handle drives the rotation handle and rotates, and the lug is exerted force to the iron core subassembly this moment for the pilot valve mouth opens.
Preferably, the outer side of the upper end of the top of the valve cover is connected with an inner hexagon screw in a threaded manner, and a pin and a spring pad are arranged on the inner side of the inner hexagon screw.
Through adopting above-mentioned technical scheme, socket head cap screw and bullet pad mutually support can comparatively firm installation pin.
The surface of the rotating handle is provided with a groove corresponding to the pin, and the outer side of the left end of the rotating handle is provided with a second O-shaped ring.
By adopting the technical scheme, the second O-shaped ring has a sealing effect, and the pin can be matched with the groove under high pressure, so that the rotating handle is prevented from being ejected.
In summary, the invention has the following advantages:
The first piston assembly structure, the water inlet and the water outlet are matched with each other, and the piston spring, the fourth O-shaped ring and the fifth O-shaped ring are additionally arranged to form a buckling structure, so that the impact of a water hammer can be effectively prevented, and the stability of the electromagnetic valve in use is improved;
Secondly, by arranging the magnetism isolating pipe with a three-section structure design, the effect of reaching the maximum magnetic force with the minimum coil power can be achieved, and the copper pad and the return spring are used for preventing the Y-shaped coil from falling off and enhancing the sealing effect;
thirdly, through the design of inductive switch and whole valve body structure, not only effectually prevent that the outside from reducing leaking, the solenoid valve under fine reduction high pressure works normally again, and whole solenoid valve can bear the pressure at the highest and reach 50kg simultaneously, and space volume accomplishes extremely again, is convenient for link to arrange the installation.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of the core assembly of the present invention;
FIG. 3 is a schematic view of a magnetic isolation tube according to 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 numeral 1, valve body; 2, a piston spring, 3, a water outlet, 4, a piston assembly, 5, a valve cover, 6, a first O-shaped 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 waveform pad, 14, an outer hexagonal nut, 15, a sensing switch, 16, a third O-shaped ring, 17, a rubber pad, 18, a return spring, 19, a coil, 20, an inner hexagonal screw, 21, a pin, 22, a spring pad, 23, a second O-shaped ring, 24, a rotating handle, 25, a pin handle, 26, a sealing element, 27, a movable iron core, 28, a push rod, 29, a soft magnetic pipe seat, 30, a stainless steel pipe, 31, a soft magnetic iron core, 32, a base, 33, a fourth O-shaped ring, 34, a sealing plug, 35, a fifth O-shaped ring, 36, a pressure relief groove, 37 and a water inlet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1-5, a high pressure electromagnetic valve is opened by hand with a waterproof hammer, which comprises a valve body 1, wherein two sides of the bottom of the valve body 1 are respectively provided with a water inlet 37 and a water outlet 3, a piston component 4 is movably installed in the upper end of the valve body 1, a valve cover 5 is fixedly installed at the top of the valve body 1, a first O-shaped ring 6 is fixedly installed at the inner side of the top of the valve cover 5, an iron core component 8 is slidably installed in the valve cover 5, the bottom of the iron core component 8 is fixedly connected with the inner side of the upper end of the piston component 4, an iron core spring 7 is sleeved outside the lower end of the iron core component 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 of the rotating handle 24 is clamped with the right side of the lower end of the iron core component 8, a magnetism isolating pipe 11 is sleeved outside the iron core component 8, the magnetic isolation tube 11 is externally wound with a coil 19, a rubber pad 17 is arranged in the middle of the inner side of the magnetic isolation tube 11, a Y-shaped ring 10 is fixedly arranged 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 arranged 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 component 8, a magnetic pad 12 is fixedly connected to the outer side of the upper end of the magnetic isolation tube 11, a waveform pad 13 is fixedly connected to the top of the magnetic pad 12 at the outer side of the upper end of the magnetic isolation tube 11, an inductive switch 15 is fixedly arranged at the top of the magnetic isolation tube 11 through an outer hexagon nut 14, a third O-shaped ring 16 is arranged at the outer side of the middle of the inner side of the inductive switch 15, and a pressure release groove 36 is formed at the joint of the iron core component 8 and the piston component 4;
Through the mutual matching of the piston assembly 4 structure and 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;
By arranging the magnetism isolating pipe 11 with a three-section structure design, the effect that the maximum magnetic force is achieved by the minimum coil 19 power can be achieved, and the copper pad 9 and the return spring 18 are used for preventing the Y-shaped coil 10 from falling off and enhancing the sealing effect;
Through the design of inductive switch 15 and whole valve body 1 structure, not only effectually prevent that the outside from reducing leaking, the solenoid valve under the fine reduction high pressure works normally again, and whole solenoid valve can bear the pressure at the highest and reach 50kg simultaneously, and space volume accomplishes extremely again, is convenient for link to arrange the installation.
Referring to fig. 1-5, for the purpose of improving stability and sealing performance, the iron core assembly 8 comprises a movable iron core 27, wherein the movable iron core 27 is movably connected inside the valve cover 5, a push rod 28 is fixedly connected to the top of the movable iron core 27, the push rod 28 is movably connected inside the magnetism isolating pipe 11, a sealing element 26 is fixedly arranged at the bottom of the movable iron core 27, the sealing element 26 is arranged at the inner side of the top of the piston assembly 4, when 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, and the push rod 28 can touch the induction switch 15 to cooperate with the Y-shaped ring 10 to achieve the sealing effect.
Referring to fig. 1,3 and 5, for the purpose of improving the power of the coil 19, the magnetic isolation tube 11 comprises a flexible magnetic tube seat 29, the flexible magnetic tube seat 29 is sleeved outside the upper end of the iron core assembly 8, a stainless steel tube 30 is fixedly arranged at the top of the flexible magnetic tube seat 29, a flexible magnetic tube 31 is fixedly arranged at the top of the stainless steel tube 30, the inductive switch 15 is fixedly arranged inside the flexible magnetic tube 31, and the magnetic force framework can be improved to the greatest extent by adopting a three-section design of the flexible magnetic tube seat 29, the stainless steel tube 30 and the flexible magnetic tube 31, so that the maximum magnetic force purpose can be achieved by the minimum power of the coil 19. The upper part of the soft magnetic core 31 is provided with a signal induction switch 15, and the lower part is provided with a Y-shaped ring 10.
Referring to fig. 1, 4 and 5, for the purpose of preventing the impact of a water hammer, the piston assembly 4 comprises a base 32, wherein the base 32 is movably arranged in the upper end of the valve body 1, the inner side of the upper end of the base 32 is fixedly provided with a sealing plug 34 through a fourth O-shaped ring 33, a valve guide port is arranged 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-shaped ring 35, the size of the sealing plug 34 corresponds to the size of the inner side of the base 32, the piston spring 2 is sleeved on the outer side of the sealing plug 34, the outer diameter of the sealing plug 34 is as close to the size of the area of a sealing surface as possible, the piston spring 2 is increased to enhance the sealing effect, the water hammer preventing effect is better, and after the electromagnetic valve is electrified or opened manually, 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 that the valve guide port is opened.
Referring to fig. 1 and 5, in order to further improve the stability of the electromagnetic valve, the right side of the rotating handle 24 is fixedly connected with a pin handle 25, the lower end of the left side of the rotating handle 24 is provided with a bump, the bump is in fit connection with the bottom of the right side of the lower end of the iron core component 8, 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, the inner side of the inner hexagonal screw 20 is provided with a pin 21 and a spring pad 22, the outer side of the left end of the rotating handle 24 is provided with a second O-shaped ring 23, when the system has no power supply or power supply starting failure, the rotating handle 24 can be driven to rotate by rotating the pin handle 25, the bump applies a force to the iron core component 8 at the moment, so that the pilot valve opening is started, the inner hexagonal screw 20 and the spring pad 22 are mutually matched with each other to firmly install the pin 21, 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 being popped up.
The automatic water pump has the advantages that in use, the automatic working principle is adopted, when the automatic water pump is used, the coil 19 is electrified, so that the movable iron core 27 is attracted upwards, the water inlet 37 and the water outlet 3 at the pilot valve opening are opened, water in the piston assembly 4 is emptied, and because the water inflow is smaller than the water drainage amount, the piston assembly 4 forms a pressure difference up and down, and the sealing plug 34 is pushed to move upwards, so that the pilot valve opening is opened. Along with the upward movement of the movable iron core 27, the ejector rod 28 touches the induction switch 15 to give a feedback signal, so that automatic operation and manual operation principles are realized, the rotating handle 24 is rotated for a certain angle to drive the movable iron core 27 to move upward, the pilot valve opening is opened, water in the piston assembly 4 is emptied, the pressure difference is formed by the upper and lower sealing plugs 34 because the water inflow is smaller than the water drainage amount, and meanwhile, the sealing plugs 34 are pushed to move upward by means of hydraulic thrust, so that the valve body 1 is opened. As the movable iron core 27 moves upward, the ejector rod 28 touches the induction switch 15, and gives a feedback signal, so that manual operation is completed, and in order to adapt to the reliability and the structural space of the sealing element 26 under high pressure to be reduced as much as possible, a piston structure buckled by the fourth O-ring 33 is adopted for sealing. The sealing device has the advantages that a better sealing effect can be achieved, the service life of the sealing element 26 under high pressure can be greatly prolonged, the size of the valve body 1 can be reduced, space is saved, after the water inlet 37 and the water outlet 3 are opened by the electromagnetic valve, the pressure of the upper part of the piston assembly 4 can be buffered through the iron core spring 7, the push rod 28 is arranged to touch the induction switch 15, the Y-shaped ring 10 is matched to achieve the sealing effect, the magnetic force framework can be lifted to the greatest extent by adopting the three-section design of the soft magnetic tube seat 29, the stainless steel tube 30 and the soft magnetic tube core 31, and the maximum magnetic force aim can be achieved by the minimum coil 19 power. The upper part of the soft magnetic iron core 31 is provided with the signal induction switch 15, the lower part is provided with the Y-shaped ring 10, 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 strengthen the sealing effect, 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, after 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 that the valve guide port is opened, when the system has no power supply or power supply opening fault, the rotating handle 24 is driven to rotate by rotating the pin handle 25, at the moment, the bump exerts force on the iron core assembly 8 to open the valve guide port, the inner hexagon screw 20 and the elastic pad 22 are mutually matched with each other to firmly install the pin 21, the second O-shaped ring 23 plays a role of sealing effect, and the pin 21 can be matched with the groove under high pressure, so that the rotating handle 24 is prevented from being popped up.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011598822.6A CN112576809B (en) | 2020-12-29 | 2020-12-29 | A high-pressure solenoid valve with manual opening to prevent water hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011598822.6A CN112576809B (en) | 2020-12-29 | 2020-12-29 | A high-pressure solenoid valve with manual opening to prevent water hammer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112576809A CN112576809A (en) | 2021-03-30 |
| CN112576809B true CN112576809B (en) | 2025-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011598822.6A Active CN112576809B (en) | 2020-12-29 | 2020-12-29 | A high-pressure solenoid valve with manual opening to prevent water hammer |
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|---|---|
| CN (1) | CN112576809B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263783A (en) * | 2022-01-27 | 2022-04-01 | 刘文华 | Valve plate opening and closing type sealing device |
| WO2024008586A1 (en) * | 2022-07-02 | 2024-01-11 | Asco Controls B.V. | A manual overriding arrangement for a solenoid operated valve |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214662434U (en) * | 2020-12-29 | 2021-11-09 | 余姚市永创电磁阀有限公司 | Water hammer-proof high-pressure electromagnetic valve with manual opening function |
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| CN210920202U (en) * | 2019-05-31 | 2020-07-03 | 余姚市三力信电磁阀有限公司 | Pressure balance type two-position three-way electromagnetic valve |
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