CN87211713U - Multifuncitonal high voltage solenoid valve - Google Patents

Abstract

The utility model relates to an electromagnetic valve of a pipeline system which can transport all kinds of pressure mediums (gases or liquids). The operating pressure can reach 320 kg. The output pressure is adjustable. The high pressure can be changed into the pressure as required. So the utility model has the function of the pressure reducing valve. The utility model can be controlled by hand and electricity with a structure of explosion suppression and water proof, and is suitable for the places which is dangerous because of drip and explosion. The utility model can be widely used in the pipeline system of all kinds of hydraulic devices in petroleum and chemical industry to control and adjust the pressure.

Description

Multifuncitonal high voltage solenoid valve

The utility model relates to a kind of solenoid valve that is used for carrying the pipe-line system of all kinds of pressure mediums (as gas, liquid).

Now be used for carrying the solenoid valve of the pipe-line system of all kinds of pressure mediums, it is subjected to carry out work in the electrical signal that hand switch or control apparatus send, be to open after the energising, a kind of valve of closing after the outage, it is made up of electromagnetism working portion, pilot valve, main valve three parts, main valve, pilot valve adopt the sealing of elasticity hand pad, can not make full use of the plastic deformation that cushion produces under pressure and strengthen sealing effect, Maximum operating pressure can only reach 25 kilograms, and existing solenoid valve in case have a power failure is looked on the bright side of things, and to open solenoid valve be impossible.

The purpose of this utility model is the function that increases solenoid valve, makes it to possess electronic, dual-use manual, and improves working pressure and reach 320 kilograms, makes solenoid valve enter the high-pressure area.Delivery pressure of the present utility model is adjustable, and delivery pressure can drop to desirable pressure range and save reduction valve.The utility model is suitable for face width, drips applicable to having vertically, ponding, has the place of explosion risk to use.

The utility model by outer cover (explosion-proof waterproof case), manually open several parts of control valve unit, regulator, electromagnet portion, pilot valve, main valve and constitute, below in conjunction with accompanying drawing the utility model is further described.

1 is the waterproof nut, and " O " RunddichtringO 2 is arranged between the gland nut 3; 4 is loam cake, and " O " RunddichtringO 2 is arranged between the shell 5; 6 is dust guard; 7 is packing ring; 8 are the outlet nut; 9 is seal ring; Waterproof nut 1, " O " RunddichtringO 2, gland nut 3, loam cake 4, shell 5, dust guard 6, packing ring 7, outlet nut 8, seal ring 9 are formed outer cover (explosion-proof waterproof case); the protection electromagnet portion; whole electromagnet portion is covered by this outer cover, guarantee that the utility model is having explosion risk, having and drip, work under the ponding environment.12 is guide pin bushing, it is fixed on guide's valve body 24 by self screw thread, form the sealing of manually driving control valve unit with backing plate 10, seal ring 11, cam 13 and guide pin bushing 12 drive fits, cam 13 1 ends link to each other with handle 14, an end lower lobes, backing plate 10, seal ring 11, guide pin bushing 12, cam 13 handles 14 compositions are manually driven control valve unit, pull handle 14, make cam 13 rotate 180 ° iron core 22 is lifted, can make solenoid valve when having electricity, also can not open work like this.15 is nut, and 16 is spring washer, and 17 is the hand packing ring, and 18 is wiring base, and two wiring terminals are arranged above them, and 19 is iron core sleeve, is the screw thread column on it.The bottom is a tubbiness, link to each other with guide's valve body 24 by screw thread, and between rubber cushion 23 is arranged, the bottom is that the iron core 22 of cone can upper and lower motion in iron core sleeve 19,20 is electromagnetic coil, 21 is spring.Nut 15, spring washer 16, plain washer 17, wiring base 18, iron core sleeve 19, coil 20, spring 21, iron core 22, rubber cushion 23 are formed electromagnet portion.Pressure-regulating sleeve 27 is fixed on the first conductor 24 by screw thread, anti-leak rubber cushion 31 is arranged between them, pressure regulation nut 26 is having pressure adjusting spring 29 on the pressure-regulating sleeve 27 and between the relief piston 30, leak-tight seal circle 28 is arranged between relief piston 30 and pressure-regulating sleeve, the regulator of being made up of pressure regulation nut 26, pressure-regulating sleeve 27, seal ring 28, pressure adjusting spring 29, relief piston 30, rubber cushion 31 is installed in the middle part of discharge orifice 39, and regulator is to adjust delivery pressure by adjusting the variation in pressure that pressure regulation cap 26 acts on the relief piston 30 pressure adjusting spring 29.Main valve plug 34 tops are piston-like, and the bottom is a cone.Give pressing spring 36 and seal ring 33 between main valve plug 34 and the guide's valve body 24, and seal ring 35 is arranged between the valve body 38, between valve body 38 and the guide's valve body 24 rubber cushion 37 is arranged, screw or flange plate can be made in the bottom of valve body 38 or two ends, use for connecting.Seal ring 33, main valve plug 34, main valve seal ring 35, give pressing spring 36, rubber cushion 37 and form main valves.Iron core 22, guide's valve body 24, high pressure pilot hole 32 and discharge orifice 39, seal ring 25 are formed pilot valve, have high pressure pilot hole 32 and discharge orifice 39 on elder generation's conductor valve 24, the disconnection and the connection of iron core 22 and seal ring 25 decision high pressure pilot holes 32 and discharge orifice 39.Iron core 22 utilizes conical surface that discharge orifice is blocked under the effect of spring 21 at ordinary times, lifts when being subjected to the thrust of electromagnetic traction power or cam 13 relief hole is opened, and promptly pilot valve is opened, and pilot valve is opened main valve and just opened, and pilot valve is not opened main valve and closed forever.Main valve plug of the present utility model bottom also is conical, and it is effective to cut off medium (gas or liquid) like this.Seal ring 28, seal ring 33 are the YX seal ring, and seal ring 35 is " O " RunddichtringO.

Working procedure of the present utility model is such.Main valve plug 34 is under the effect of giving pressing spring 36, and main valve is in closed condition.When method shown in the arrow attracts pressure medium (gas or liquid), pressure medium is closed because of main valve and is just entered main valve plug 34 tops by high pressure pilot hole 32 and reach the pilot valve place, because of pilot valve also is in closed condition, pressure accumulates on the wall of pilot valve, main valve plug 34 tops and high pressure pilot hole 32, the pressure on main valve plug top is greater than the pressure of bottom, main valve is closed, and pressure medium is high more, and main valve is closed tight more.Iron core 22 is lifted pilot valve be opened (the pressure height of medium does not influence electromagnetism to be driven valve or manually drive valve, waits in the pressure vessel because whole iron core is in) when energising makes electromagnet portion work or artificial rotating cam 13.

After pilot valve is opened, the pressure medium that is collected at piston top is by the other end of discharge orifice 39 rows to main valve, and the pressure that acts on above the main valve plug disappears, and the pressure that acts on the main valve plug 34 cone end faces lifts main valve plug 34, main valve open, pressure medium connects.

When the medium of output has tool pressure to require, can achieve the goal by regulator.When no-output pressure requires at ordinary times, screw adjusting cap 26, make to adjust piston 30 ends and adjust the adjustment valve of forming cover 27 bottoms to be in normally open, discharge orifice 39 is in normally open at this moment.Delivery pressure equates substantially with incoming pressure.When the delivery pressure requirement is arranged, unclamp pressure regulation cap 26 and transfer to required pressure.When main valve open, pressure reduction is very little before and after the main valve, basic identical before and after pressure medium in high pressure pilot hole 32 discharge orifices 39 and the main valve, unclamp after the pressure regulation cap 26, the power that pressure adjusting spring 29 acts on the relief piston 30 just weakens, pressure medium will be relief piston 30 to extrapolation, and the result has just cut off discharge orifice 39, and the build pressure that main valve plug 34 disappears is above just recovered again, main valve is closed, after output end pressure descends, act on the power of adjusting piston 330 and also descend, pressure adjusting spring 29 pushes back relief piston 30, discharge orifice 39 connects, main valve is opened again, repeats such action, and delivery pressure just is controlled in the scope.

This solenoid valve possesses the flame proof waterproof construction, is applicable to explosion risk and vertically drips, the place of ponding.Possess electronic, dual-use manual, delivery pressure is adjustable.Adopt cone to join the main valve structure of " O " type circle, flexible movements are reliable, install and use not limited by the landform angle orientation.Medium can be temperature≤80 oils degree, that viscosity is not high, the industrial wastes of no obvious sediment, water, air etc.Working pressure reaches 320 kilograms.The manipulation and the distribution system that can be used for dresses such as water supply under the coal mine of all kinds of mines, draining, watering, atomizing de-dusting and oil, chemical industry, all kinds of hydraulic power unit, hydraulic machine, hydraulic test bench, hydraulic pressure machine, hydraulic hoist.

Claims (2)

1, a kind of multifunctional high pressure solenoid valve that contains flame proof waterproof outer cover, electromagnet portion is characterized in that:

A, guide pin bushing 12 are fixed on guide's valve body 24 by self screw thread, form the sealing of manually driving control valve unit with backing plate 10, seal ring 11, cam 13 and guide pin bushing 12 drive fits, and an end links to each other with handle 14, an end lower lobes,

B, pressure-regulating sleeve 27 are fixed on guide's valve body 24 by screw thread, anti-leak rubber cushion 31 is arranged between them, pressure regulation nut 26 is arranged on the pressure-regulating sleeve 27, between pressure regulation nut 26 and the relief piston 30 pressure adjusting spring 29 is arranged, between relief piston 30 and the pressure-regulating sleeve 27 leak-tight seal circle 28 is arranged, form regulator by pressure regulation nut 26, pressure-regulating sleeve 27, seal ring 28, pressure adjusting spring 29, relief piston 30, rubber cushion 31 and be installed in discharge orifice 39 middle parts

C, iron core 22 bottoms are cone, have high pressure pilot hole 32 and discharge orifice 39 on guide's valve body 24, the disconnection and the connection of iron core 22 and seal ring 25 decision high pressure pilot holes 32 and discharge orifice 39,

D, main valve body 34 tops are piston-like, and the bottom is a cone, give pressing spring 36 and seal ring 33 between main valve body 34 and the guide's valve body 24, and 38 of valve bodies have seal ring 35, between valve body 38 and the guide's valve body 24 rubber cushion 37 are arranged.

2, multifunctional high pressure solenoid valve as claimed in claim 1 is characterized in that, seal ring 28, seal ring 33 are the YX seal ring, and seal ring 35 is " O " RunddichtringO.

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