CN103062444A - Water pressure plug-in type three-position four-way electromagnetic directional valve - Google Patents
Water pressure plug-in type three-position four-way electromagnetic directional valve Download PDFInfo
- Publication number
- CN103062444A CN103062444A CN2013100344090A CN201310034409A CN103062444A CN 103062444 A CN103062444 A CN 103062444A CN 2013100344090 A CN2013100344090 A CN 2013100344090A CN 201310034409 A CN201310034409 A CN 201310034409A CN 103062444 A CN103062444 A CN 103062444A
- Authority
- CN
- China
- Prior art keywords
- plug
- valve
- mounting assembly
- guide
- spool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Magnetically Actuated Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a water pressure plug-in type three-position four-way electromagnetic directional valve. The electromagnetic directional valve comprises a first pilot valve, a second pilot valve, a plug-in valve block and first to forth plug-in assemblies, wherein the plug-in valve block is provided with a water inlet, a water return port, a first reversing port, a second reversing port and a pipeline group, and the plug-in valve block is provided with a front mounting hole and a rear mounting hole positioned on the rear side of the front mounting hole; and plug-in assemblies are respectively mounted on the left and right sides of the front mounting hole and the rear mounting hole, and each plug-in assembly respectively comprises a valve core, a valve sleeve, a spring and a control cover plate. The electromagnetic directional valve provided by the invention has the advantages of rapid commutation, high reliability and small leakage rate.
Description
Technical field
The invention belongs to the valve class, relate to a kind of hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve, it mainly is applicable to take the liquid stream commutation of seawater, fresh water, the high mesohigh water hydraulic system as working medium such as water base.Under the middle high-pressure condition, can effectively reduce leakage, cavitation erosion, vibration, the noise of valve port, have commutation rapidly, the characteristics that working stability is high.This invention is equally applicable to the strong low viscosity media of corrosivity such as seawater.
Background technique
The water hydraulic technology have environmental friendliness, purchase and user cost low, can avoid and reduce contamination of products, flame retarding, Security good, be easy to maintenance, be beneficial to advantages such as improving Green Consciousness.
Aqueous medium is as hydraulic medium, the shortcoming such as exist that viscosity is low, poor lubricity, vapor pressure are high, corrosivity and electric conductivity are strong, so that existing oil pressure element can not directly or after improving apply to hydraulic pressure, fully realizing under the prerequisite of its negative effect, studying it affects mechanism, the solution of reasonable.Overcome the shortcoming of aqueous medium, give full play to its advantage.Developing highly reliable Technique for Water Hydraulic Components is stern challenge and the breakthrough that Pure Water Hydraulic Drive Technology faces.
The pressure electromagnetic selector valve is a kind of regulating and controlling element of hydraulic system, is used for controlling the commutation of executive component, is indispensable position control valve in the hydraulic system.Selector valve is the position control valve with two or more liquid forms and two above hydraulic fluid ports, is communication, cut-out and the commutation that realizes liquid stream in the hydraulic system, and the valve of discharge degree and sequentially-operating control.Because the physicochemical property of aqueous medium is different from fluid, so that the working stability of water hydraulic solenoid directional control valve is faced with stern challenge.
When hydraulic pressure plug-in type electromagnetism selector valve was worked under higher pressure condition, the valve port place had higher flow velocity, so that the local compression in valve port flow field is lower than the pressure for vaporization of water, the bubble that the water generates after the vaporization is a large amount of is cavitation phenomenon.Because the pressure for vaporization of water is high, so that easily vaporization and boiling of water electrode, thereby under identical condition, the cavitation erosion degree that the hydraulic pressure selector valve is subject to is than the high hundreds of times of oil pressure selector valve; In addition, aqueous medium has very strong corrosivity, therefore so that existing oil pressure selector valve material all is not suitable for aqueous medium.The key technical problem that the pressure electromagnetic selector valve exists also has vibration, noise and sealing and the problem such as lubricates.Produce the reason of the problems referred to above except the reason of cavitation erosion and air pocket, also because: 1 owing to the viscosity of water is low, and viscous damping is little, and the leakage problem at valve port place is comparatively serious.The density of 2 water, modular ratio mineral oil are large, and " water hammer " phenomenon that therefore produces is serious; 3 physicochemical properties owing to water are so that erosion corrosion, galvanic corrosion, oxide etch are mainly occuring in hydrovalve in aqueous medium;
How can overcome the adverse effect that aqueous medium brings on the basis of the design experiences of traditional oil pressure selector valve, improve the quiet dynamic characteristic of solenoid directional control valve, be the key point of pressure electromagnetic selector valve research.
Summary of the invention
The objective of the invention is, a kind of hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve is provided, its cost is low, and easy to maintenance, commutation rapidly is applicable to the mesohigh hydraulic transmission system.
Above-mentioned purpose of the present invention can adopt following technical proposal to realize:
A kind of hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve, described solenoid directional control valve comprises: the first pilot valve and the second pilot valve, it is respectively the 2/2-way normal-closed electromagnetic valve, and has respectively guide's water intake and guide's water outlet, and described the second pilot valve is positioned at the left side of the first pilot valve; Cartridge inserted valve integrated block which is provided with water intake, backwater mouth, the first commutation mouth, the second commutation mouth and pipeline group, and described Cartridge inserted valve integrated block is provided with front mounting hole and the rear mounting hole that is positioned at front mounting hole rear side; The first plug-in mounting assembly, it is connected to the left side of described front mounting hole, the structure of described the first plug-in mounting assembly comprises left valve pocket, left spool, left spring and left control cover plate, described left valve pocket has left valve pocket hole, described left spool movably contact on left valve pocket, described left control cover plate is connected to the outside of Cartridge inserted valve integrated block, the two ends difference contact of described left spring is on left control cover plate and left spool, described left spool is provided with runner, by described runner water intake is communicated with left spring place chamber, described left control cover plate is provided with left duct; The second plug-in mounting assembly, it is connected to the left side of described rear mounting hole, and the structure of described the second plug-in mounting assembly is identical with the structure of the first plug-in mounting assembly; The 3rd plug-in mounting assembly, it is connected to the right side of described front mounting hole, the structure of described the 3rd plug-in mounting assembly comprises right valve pocket, right spool, right spring and right control cover plate, described right valve pocket has right valve pocket hole, described right spool movably contact on right valve pocket, described right control cover plate is connected to the outside of Cartridge inserted valve integrated block, and contact is on right control cover plate and right spool respectively at the two ends of described right spring, and described right control cover plate is provided with right duct; The 4th plug-in mounting assembly, it is connected to the right side of described rear mounting hole, and the structure of described the 4th plug-in mounting assembly is identical with the structure of the 3rd plug-in mounting assembly; Described water intake branch two-way is connected with first and second plug-in mounting assembly respectively, described backwater mouth branch two-way is connected with third and fourth plug-in mounting assembly respectively, described the first commutation mouth is connected with front mounting hole, and the first commutation mouth is communicated with the position between first and third plug-in mounting assembly with front mounting hole, described the second commutation mouthful is connected with rear mounting hole, and the second commutation mouth and rear mounting hole be communicated with the position between second, four plug-in mounting assemblies; By described pipeline group, the chamber at the left spring place of described the first plug-in mounting assembly is communicated with the chamber at the right spring place of the 4th plug-in mounting assembly, the chamber at the left spring place of described the second plug-in mounting assembly is communicated with the chamber at the right spring place of the 3rd plug-in mounting assembly, described first, guide's water outlet of two pilot valves is communicated with described backwater mouth respectively, the right duct of the left duct of described the first plug-in mounting assembly and the 4th plug-in mounting assembly is respectively with first, one of them guide's water intake of two pilot valves links to each other, and the right duct of the left duct of described the second plug-in mounting assembly and the 3rd plug-in mounting assembly links to each other with another guide's water intake respectively.
Aforesaid hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve, described runner is included in the center hole of axially offering on the described left spool and the high-pressure induct through hole of radially offering, described center hole is communicated with the high-pressure induct through hole, the hydraulic damping plug is installed on the center hole of described left spool, and described hydraulic damping is provided with damping hole beyond the Great Wall.
Aforesaid hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve, described the first pilot valve is identical with the structure of the second pilot valve, also comprise respectively guide valve blocks, guide's valve seat, Returnning spring, dull and stereotyped spool and electromagnetic assembly, described guide's valve seat is arranged in the guide valve blocks, described dull and stereotyped spool can be connected on guide's valve seat up or down, the up and down two ends of described Returnning spring are resisted against respectively electromagnetic assembly and flap type core, and the outer cover of described electromagnetic assembly has electromagnet; Described guide valve blocks is provided with described guide's water intake and described guide's water outlet, the corresponding described guide's valve seat of described guide's water outlet.
Aforesaid hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve, described electromagnetic assembly comprises guide's hollow posts and coil, be disposed with from the bottom up described dull and stereotyped spool, Returnning spring and coil in described guide's hollow posts, the outer cover of described guide's hollow posts has described electromagnet.
Aforesaid hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve in described first and second plug-in mounting assembly, when its left spool is opened, can form a variable restriction between described left valve pocket and the left spool; In described third and fourth plug-in mounting assembly, when its right spool is opened, can form a variable restriction between described right valve pocket and the right spool.
Aforesaid hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve, in described first and second plug-in mounting assembly, adopt the co-axial seal circle to seal between described left spool and the left valve pocket, described co-axial seal circle is comprised of Glais ring and the O RunddichtringO that is arranged in the Glais ring; Head between described Cartridge inserted valve integrated block and the left valve pocket, tail two ends adopt respectively first and second O RunddichtringO to seal; Adopt third and fourth O RunddichtringO to seal between described left control cover plate and the Cartridge inserted valve integrated block; In described third and fourth plug-in mounting assembly, adopt the co-axial seal circle to seal between described right spool and the right valve pocket, described co-axial seal circle is comprised of Glais ring and the O RunddichtringO that is arranged in the Glais ring; Head between described Cartridge inserted valve integrated block and the right valve pocket, tail two ends adopt respectively first and second O RunddichtringO to seal; Adopt third and fourth O RunddichtringO to seal between described right control cover plate and the Cartridge inserted valve integrated block.
Characteristics of the present invention and advantage are: it is simple in structure, and commutation is rapid, and reliability is high, and leakage rate is little.
Description of drawings
In order to be illustrated more clearly in the technological scheme in the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic perspective view of the hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve of the embodiment of the invention, has wherein only shown a pilot valve;
Fig. 2 is that the master of the hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve of the embodiment of the invention looks schematic representation;
Fig. 3 is that schematic representation is looked on the right side of the hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve of the embodiment of the invention;
Fig. 4 is the schematic top plan view of the hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve of the embodiment of the invention;
Fig. 5 is the generalized section along the A-A line of Fig. 2, and it shows that four spools are resisted against the situation of valve pocket;
Fig. 6 is the M section enlarged diagram of Fig. 5;
Fig. 7 is the N section enlarged diagram of Fig. 5;
Fig. 8 shows that the spool of first, fourth plug-in mounting assembly of the embodiment of the invention leaves the situation of valve pocket, and this moment, water intake was communicated with the first commutation mouth, and backwater mouth and the second commutation mouth are communicated with;
Fig. 9 shows that the spool of second and third plug-in mounting assembly of the embodiment of the invention leaves the situation of valve pocket, and this moment, water intake was communicated with the second commutation mouth, and backwater mouth and the first commutation mouth are communicated with;
Figure 10 is the schematic perspective view of the interior pipeline group of the Cartridge inserted valve integrated block of the demonstration embodiment of the invention;
Figure 11 is the function symbol table trrellis diagram of the embodiment of the invention, and wherein YA1 represents the first pilot valve, and YA2 represents the second pilot valve, and " one " represents outage, "+" representative energising.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technological scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment who obtains under the creative work prerequisite.
Extremely shown in Figure 11 such as Fig. 1, the embodiment of the invention has proposed a kind of hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve, and described solenoid directional control valve comprises the first pilot valve 1, the second pilot valve 2, Cartridge inserted valve integrated block 3, the first plug-in mounting assembly 4, the second plug-in mounting assembly 5, the 3rd plug-in mounting assembly 6 and the 4th plug-in mounting assembly 7.Described the first pilot valve 1 and the second pilot valve 2 are respectively the 2/2-way normal-closed electromagnetic valve, and have respectively guide's water intake and guide's water outlet (for the convenience of describing, guide's water intake and guide's water outlet hereinafter referred to as the first pilot valve 1 are respectively first guide's water intake P1 and first guide's water outlet T1, claim guide's water intake and guide's water outlet of the second pilot valve 2 to be respectively second guide's water intake P2 and second guide's water outlet T2), described the second pilot valve 2 is positioned at the left side of the first pilot valve 1.Described Cartridge inserted valve integrated block 3 is provided with water intake P, backwater mouth T, first a commutation mouthful A, the second commutation mouthful B and pipeline group G, and described Cartridge inserted valve integrated block 3 is provided with front mounting hole 3a and rear mounting hole 3b, and rear mounting hole 3b is positioned at the rear side of front mounting hole 3a.Described the first plug-in mounting assembly 4 is connected to the left side of described front mounting hole 3a, and described the second plug-in mounting assembly 5 is connected to the left side of described rear mounting hole 3b.Described the first plug-in mounting assembly 4 is identical with the structure of the second plug-in mounting assembly 5, comprise respectively left valve pocket 8a, left spool 8b, left spring 8c and left control cover plate 8d, described left valve pocket 8a has left valve pocket hole 8a1, described left spool 8b movably contact on left valve pocket 8a, described left control cover plate 8d is connected to the outside of Cartridge inserted valve integrated block 3, the two ends difference contact of described left spring 8c is on left control cover plate 8d and left spool 8b, described left spool 8b is provided with runner 8b1, by described runner 8b1 water intake P is communicated with left spring 8c place chamber, described left control cover plate 8d is provided with left duct 8d1.Described the 3rd plug-in mounting assembly 6 is connected to the right side of described front mounting hole 3a; Described the 4th plug-in mounting assembly 7 is connected to the right side of described rear mounting hole 3b.Described the 3rd plug-in mounting assembly 6 is identical with the structure of the 4th plug-in mounting assembly 7, comprise respectively right valve pocket 9a, right spool 9b, right spring 9c and right control cover plate 9d, described right valve pocket 9a has right valve pocket hole 9a1, described right spool 9b movably contact on right valve pocket 9a, described right control cover plate 9d is connected to the outside of Cartridge inserted valve integrated block 3, contact is on right control cover plate 9d and right spool 9b respectively at the two ends of described right spring 9c, and described right control cover plate 9d is provided with right duct 9d1.
Described water intake P branch two-way is connected with first and second plug-in mounting assembly 4,5 respectively, described backwater mouth T branch two-way is connected with third and fourth plug-in mounting assembly 6,7 respectively, described first a commutation mouthful A is connected with front mounting hole 3a, and the first commutation mouthful A is communicated with the position between first and third plug-in mounting assembly 4,6 with front mounting hole 3a's, described second a commutation mouthful B is connected with rear mounting hole 3b, and the second commutation mouth B and rear mounting hole 3b be communicated with the position between second, four plug-in mounting assemblies 5,7; By described pipeline group, the chamber at the left spring 8c place of described the first plug-in mounting assembly 4 is communicated with the chamber at the right spring 9c place of the 4th plug-in mounting assembly 7, and the chamber (hereinafter referred to as the left spring chamber) at the left spring 8c place of described the second plug-in mounting assembly 5 is communicated with the chamber (hereinafter referred to as right spring chamber) at the right spring 9c place of the 3rd plug-in mounting assembly 6; Described first, two pilot valves 1, guide's water outlet of 2 is communicated with described backwater mouth T respectively, the left duct 8d1 of described the first plug-in mounting assembly 4 and the right duct 9d1 of the 4th plug-in mounting assembly 7 are respectively with first, one of them guide's water intake of two pilot valves links to each other, the left duct 8d1 of described the second plug-in mounting assembly 5 links to each other with another guide's water intake respectively with the right duct 9d1 of the 3rd plug-in mounting assembly 6, for example, the left duct 8d1 of the first plug-in mounting assembly 4 links to each other with first guide's water intake P1 respectively with the right duct 9d1 of the 4th plug-in mounting assembly 7, and the left duct 8d1 of described the second plug-in mounting assembly 5 links to each other with second guide's water intake P2 respectively with the right duct 9d1 of the 3rd plug-in mounting assembly 6.
Wherein, described first and second pilot valve 1,2 is the 2/2-way normal-closed electromagnetic valve.In use, first and second commutation mouthful A, B generally links to each other with the two ends of actuator.
According to an embodiment of the invention, described the first pilot valve 1 is identical with the structure of the second pilot valve 2, also comprise respectively guide valve blocks 10a, guide's valve seat 10b, dull and stereotyped spool 10c, Returnning spring 10d and electromagnetic assembly 10e, described guide's valve seat 10b is arranged in the guide valve blocks 10a, described dull and stereotyped spool 10c can be connected on guide's valve seat 10b up or down, the up and down two ends of described Returnning spring 10d are resisted against respectively electromagnetic assembly 10e and flap type core 10c, and the outer cover of described electromagnetic assembly 10e has electromagnet 10f; Described guide valve blocks 10a is provided with described guide's water intake P1(P2) and described guide's water outlet T1(T2), the corresponding described guide's valve seat 10b of described guide's water outlet.
Further, described electromagnetic assembly 10e comprises guide's hollow posts 10e1 and coil 10e2, be disposed with from the bottom up described dull and stereotyped spool 10c, Returnning spring 10d and coil 10e2 in described guide's hollow posts 10e1, the outer cover of described guide's hollow posts 10e1 has described electromagnet 10f.
In the present embodiment, flow to first guide's water intake P1(or second guide's water intake P2) the high pressure water reposition force that overcomes Returnning spring 10d promote dull and stereotyped spool 10c and move upward, high-pressure water flow is to first guide's water outlet T1(or second guide's water outlet T2 then).First and second pilot valve 1,2 in the present embodiment is small flow 2/2-way pilot valve, it is normal close type, when electromagnet gets in the electric situation, the powerful electromagnetic force that produces is mentioned the before guide valve seat 10b of dull and stereotyped spool 10c, thereby flow back to the road to open valve connection liquid, namely connect first guide's entery and delivery port P1, T1(or second guide's entery and delivery port P2, T2).
The below describes the working principle of present embodiment take first and second pilot valve 1,2 as the 2/2-way solenoid valve of normal close type as example:
When first, two pilot valves 1, in 2 cold situations, both all are in closed condition, namely first guide's water intake P1 is not communicated with first guide's water outlet T1, second guide's water intake P2 is not communicated with second guide's water outlet T2, the liquid stream of water intake P is by first, two plug-in mounting assemblies 4, the runner 8b1 of 5 left spool 8b and flow into its left spring chamber, owing to pass through pipeline group, the left spring chamber of described the first plug-in mounting assembly 4 is communicated with the right spring chamber of the 4th plug-in mounting assembly 7, the left spring chamber of described the second plug-in mounting assembly 5 is communicated with the right spring chamber of the 3rd plug-in mounting assembly 6, therefore the liquid of water intake P stream also can flow into the 3rd, four plug-in mounting assemblies 6, in 7 the right spring chamber, the spring chamber fluid pressure of four spool outer ends that act on and spring force sum are greater than acting on the inner fluid pressure of spool, spool is in reliable closed condition, described first, two plug-in mounting assemblies 4,5 left spool 8b and the 3rd, four plug-in mounting assemblies 6,7 right spool 9b all is in closed condition, is in meta O type function this moment.
When 2 energisings of the second pilot valve, and during the outage of the first pilot valve 1, the powerful electromagnetic force that the electromagnet of pilot valve 2 will produce is mentioned dull and stereotyped spool 10c from commutation valve seat 10d, the second pilot valve 2 is changed into opening state by closed condition, namely second guide's water intake P2 is communicated with second guide's water outlet T2, but first guide's water intake P1 still is not communicated with first guide's water outlet T1.Because the left duct 8d1 of the second plug-in mounting assembly 5 and the right duct 9d1 of the 3rd plug-in mounting assembly 6 link to each other with second guide's water intake P2 respectively, so that the high pressure water in the left spring chamber of the second plug-in mounting assembly 5 flows into second guide's water intake P2 of the second pilot valve 2 via the left duct 8d1 of control cover plate 8d, the high pressure water of the right spring chamber of the 3rd plug-in mounting assembly 6 also flows into second guide's water intake P2 via the right duct 9d1 of control cover plate 9d, flow out from second guide's water outlet T2 subsequently, the backwater mouth T by Cartridge inserted valve integrated block 3 flows back to fuel tank.Simultaneously, because flowing of the high pressure water in the left spring chamber of the second plug-in mounting assembly 5, so that the pressure in its left spool 8b left side reduces, act on the power of left spool 8b the inner of the second plug-in mounting assembly 5 greater than the spring force and the pressure sum that act on left spool 8b outer end, left spool 8b is moved to the left and breaks away from left valve pocket 8a, left valve pocket hole 8a1 is not stopped up (as shown in Figure 9) by left spool 8b, be that water intake P and the second commutation mouthful B connect, high pressure water flows into the second commutation mouthful B, and by actuator pressure is passed to first a commutation mouthful A, because flowing of the high pressure water of the right spring chamber of the 3rd plug-in mounting assembly 6, so that the pressure in its right spool 9b left side reduces, act on the power of right spool 9b the inner of the 3rd plug-in mounting assembly 6 greater than the spring force and the pressure sum that act on right spool 9b outer end, the right spool 9b that pressure promotes the 3rd plug-in mounting assembly 6 moves right, make the right valve pocket hole 9a1 on its right valve pocket 9a be stopped up (as shown in Figure 9) by right spool 9b, and then so that the first commutation mouthful A and backwater mouth T connection.
When the energising of the first pilot valve 1, and during 2 outage of the second pilot valve, can realize the commutation of selector valve.After 2 outages of the second pilot valve, electromagnetic force disappears, pilot valve resets under the effect of spring force, dull and stereotyped spool is blocked poppet port, cut off flowing of liquid, then second guide's water intake P2 disconnects with second guide's water outlet T2 and not being communicated with, and namely the second pilot valve is changed into closed condition by opening state, and the first pilot valve 1 is changed into opening state by closed condition, and its first guide water intake P1 is communicated with first guide's water outlet T1.Because the left duct 8d1 of the first plug-in mounting assembly 4 and the right duct 9d1 of the 4th plug-in mounting assembly 7 link to each other with first guide's water intake P1 respectively, so that the high pressure water in the left spring chamber of the first plug-in mounting assembly 4 flows into first guide's water intake P1 of the first pilot valve 1 via the left duct 8d1 of control cover plate 8d, the high pressure water of the right spring chamber of the 4th plug-in mounting assembly 7 also flows into first guide's water intake P1 via the right duct 9d1 of control cover plate 9d, flow out from first guide's water outlet T1 subsequently, the backwater mouth T by Cartridge inserted valve integrated block 3 flows back to fuel tank.Simultaneously, because flowing of the high pressure water in the left spring chamber of the first plug-in mounting assembly 4, so that the pressure in its left spool 8b left side reduces, act on the power of left spool 8b the inner of the first plug-in mounting assembly 4 greater than the spring force and the pressure sum that act on left spool 8b outer end, left spool 8b is moved to the left and breaks away from left valve pocket 8a, left valve pocket hole 8a1 is not stopped up (as shown in Figure 8) by left spool 8b, be that water intake P and the first commutation mouthful A connect, high pressure water flows into the first commutation mouthful A, and by actuator pressure is passed to second a commutation mouthful B, act on the power of right spool 9b the inner of the 4th plug-in mounting assembly 7 greater than the spring force and the pressure sum that act on right spool 9b outer end, the right spool 9b that pressure promotes the 4th plug-in mounting assembly 7 moves right, make the right valve pocket hole 9a1 on its right valve pocket 9a be stopped up (as shown in Figure 8) by right spool 9b, and then so that the second commutation mouthful B and backwater mouth T connection.
From the above mentioned, alternately change first and second pilot valve 1,2 energising situation, can realize the frequent commutation of plug-in type 3-position 4-way solenoid directional control valve.
In addition, Cartridge inserted valve integrated block 3 adopts gasket mounted mounting type, the O RunddichtringO is used for being sealed into mouth of a river P and backwater mouth T, and first commutation mouthful A and second a commutation mouthful B, described first and second pilot valve 1,2 adopts respectively socket head screw to be connected on the Cartridge inserted valve integrated block 3, and left and right control cover plate adopts respectively socket head screw to be connected on the Cartridge inserted valve integrated block 3.
Described first and second plug-in mounting assembly 4,5 left spool 8b and third and fourth plug-in mounting assembly 6,7 right spool 9b have all adopted the flush end arc structure at its head end, have so effectively suppressed the generation of cavitation erosion.
According to an embodiment of the invention, described runner 8b1 is included in the center hole 8b2 that axially offers on the described left spool 8b and the high-pressure induct through hole 8b3 that radially offers, described center hole 8b2 is communicated with high-pressure induct through hole 8b3, hydraulic damping plug 8b4 is installed on the center hole 8b2 of described left spool 8b, and described hydraulic damping plug 8b4 is provided with damping hole.
Wherein, described hydraulic damping plug 8b4 can be threaded connection with on center hole 8b2.First and second plug-in mounting assembly 4,5 liquid stream so can more effectively be third and fourth plug-in mounting assembly 6, the 7 and first pilot valve 1 or the second pilot valve 2 feed flows by all forming two liquid chunnels after the hydraulic damping of runner 8b1 and damping hole.Wherein, a liquid circulation piping group G of the first plug-in mounting assembly 4 is communicated with the right spring chamber of the 4th plug-in mounting assembly 7, first guide's water intake P1 of another liquid flowing connection the first pilot valve 1; A liquid circulation piping group G of the second plug-in mounting assembly 5 is communicated with the right spring chamber of the 3rd plug-in mounting assembly 6, second guide's water intake P2 of another liquid flowing connection the second pilot valve 2.
According to an embodiment of the invention, described pipeline group G comprises the first subset of cell channels, the second subset of cell channels and the 3rd subset of cell channels.Described the first subset of cell channels comprises the first cross-drilled hole road g1, the first vertical duct g2, a L duct g3 and the 2nd L duct g4.
The end of described the first cross-drilled hole road g1 is communicated with a L duct g3, and the other end of the first cross-drilled hole road g1 is communicated with the first vertical duct g2; The end of the described first vertical duct g2 is communicated with the 2nd L duct g4, and the other end in the first vertical duct is blocked with plug g5; The end of a described L duct g3 is communicated with the right duct 9d1 of the 3rd plug-in mounting assembly 6, and the other end of a L duct g3 is blocked with plug g6; The end of described the 2nd L duct g4 is communicated with the left duct 8d1 of the second plug-in mounting assembly 5, and the other end of the 2nd L duct g4 is blocked with plug g7; The described first vertical duct g2 is provided with second guide's water intake and connects duct g8, and second guide's water intake connects guide's water intake P2 that duct g8 is connecting the second pilot valve.
Described the second subset of cell channels comprises the second cross-drilled hole road g9 and the second vertical duct g10.The end of described the second cross-drilled hole road g9 is communicated with the left duct 8d1 of the first plug-in mounting assembly 4, and the other end of the second cross-drilled hole road g9 is communicated with the second vertical duct g10; The end of the described second vertical duct g10 is communicated with the right duct 9d1 of the 4th plug-in mounting assembly 7, the other end is blocked with plug g11, the second vertical duct g10 is provided with first guide's water intake and connects duct g12, and first guide's water intake connects guide's water intake P1 that duct g12 is connecting the first pilot valve.
Described the 3rd subset of cell channels comprises the 3rd cross-drilled hole road, the one end sealing in described the 3rd cross-drilled hole road, the other end is communicated with backwater mouth T, and being communicated with second guide's water outlet on the 3rd cross-drilled hole road connects duct g13 and is connected guide's water outlet connection duct g14, the other end of second guide's water outlet connection duct g13 connects guide's water outlet T2 of the second pilot valve, and the other end of first guide's water outlet connection duct g14 connects guide's water outlet T1 of the first pilot valve.
According to an embodiment of the invention, cooperate shown in Figure 6, in described first and second plug-in mounting assembly 4,5, adopt co-axial seal circle 11a(Che Shi sealing between described left spool 8b and the left valve pocket 8a) seal, described co-axial seal circle 11a is comprised of Glais ring and the O RunddichtringO that is arranged in the Glais ring, has improved the reliability of sealing; Head, tail two ends between described Cartridge inserted valve integrated block 3 and the left valve pocket 8a adopt respectively first and second O RunddichtringO 11b, 11c to seal; Adopt third and fourth O RunddichtringO 11d, 11e to seal between described left control cover plate 8d and the Cartridge inserted valve integrated block 3.Described the 3rd O RunddichtringO 11d is installed in the periphery of front mounting hole 3a and rear mounting hole 3b, and described the 4th O RunddichtringO 11e is installed in the periphery of the second cross-drilled hole road g9 or the 2nd L duct g4.
Similarly, cooperate shown in Figure 7, in described third and fourth plug-in mounting assembly 6,7, adopt co-axial seal circle 11a(Che Shi sealing between described right spool 9b and the right valve pocket 9a) seal, described co-axial seal circle 11a is comprised of Glais ring and the O RunddichtringO that is arranged in the Glais ring, has improved the reliability of sealing; Head, tail two ends between described Cartridge inserted valve integrated block 3 and the right valve pocket 9a adopt respectively first and second O RunddichtringO 11b, 11c to seal; Adopt third and fourth O RunddichtringO 11d, 11e to seal between described right control cover plate 8d and the Cartridge inserted valve integrated block 3.Described the 3rd O RunddichtringO 11d is installed in the periphery of front mounting hole 3a and rear mounting hole 3b, and described the 4th O RunddichtringO 11e is installed in the duct of the right duct 9d1 that connects the 4th plug-in mounting assembly 7 or the periphery of a L duct g3.
The embodiment of the invention is applicable to the regulating and controlling element in the mesohigh water hydraulic system of seawater, fresh water, the high working medium such as water base, have commutation rapidly, good, the advantages such as leakage rate is little, good operating stability of high, the anti-cavitation erosion ability of working pressure.
The beneficial effect that the present invention has is:
(1) plug-in type electromagnetism selector valve adopts the asymmetric layout, and spool has all adopted arc structure, has effectively reduced the generation of cavitation phenomenon; The part spool has adopted radial high-pressure flow guiding structure and center hole structure and with screw thread damping hole has been installed, and can effectively be pilot valve water intake P1 and P2 feed flow.When spool is opened, can form a variable restriction, the height of opening of spool changes along with the variation of pressure reduction before and after flow and the settable orifice place, and different spool height can form different spring forces and difference force, finally can realize the transient equiliblium of spool.
2, hydraulic pressure plug-in type electromagnetism selector valve adopts the electromagnetic priority valve of two small flow 2/2-way normal close types, has improved the reliability of system.Guide valve blocks and Cartridge inserted valve integrated block adopt thread connecting mode, and dull and stereotyped spool can change the break-make situation that liquid flows with whether contacting of guide's valve seat, has realized zero leakage.The opening amount of pilot valve determines that by the stroke of dull and stereotyped spool the spool stroke of small flow 2/2-way normal close type pilot valve is short, greatly reduces opening and resetting time of pilot valve, has improved the speed of response of system.
3, spool and valve pocket adopt the co-axial seal circle (Che Shi sealing) that is comprised of Glais ring and O RunddichtringO to seal, between valve pocket and the Cartridge inserted valve integrated block, between control cover plate and the Cartridge inserted valve integrated block, all adopt the O RunddichtringO directly to seal between guide valve blocks and the Cartridge inserted valve integrated block, efficiently solve the pressure electromagnetic selector valve and leak serious problem, the reasonable Arrangement of pressure electromagnetic selector valve runner can guarantee that the solenoid directional control valve flexible movements are reliable, is applicable to the working environment of mesohigh.
4, through testing at friction wear testing machine, the pressure electromagnetic selector valve is carried out selection, Cartridge inserted valve integrated block, guide valve blocks are all selected 1Cr18Ni9Ti, spool, dull and stereotyped spool all adopt precipitation stainless steel 17-4PH, guide's valve seat adopts aluminum bronze QAL9-4, it is the spring wire material of 3J1 that main spool spring, pilot valve Returnning spring all adopt the trade mark, and valve pocket adopts engineering plastics TX.Select the high material of hardness can effectively overcome the generation of the phenomenon such as cavitation erosion, the working life of improving solenoid directional control valve.
5, the present invention is simple in structure, has commutation rapidly, and reliability is high, and leakage rate is little, and anti-cavitation erosion ability is strong, is easy to standardized design feature, is applicable to the working environment of mesohigh.
The above only is several embodiments of the present invention, and those skilled in the art can carry out various changes to the embodiment of the invention according to application documents are disclosed, modification or combination and do not break away from the spirit and scope of the present invention.
Claims (6)
1. hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve is characterized in that described solenoid directional control valve comprises:
The first pilot valve and the second pilot valve, it is respectively the 2/2-way normal-closed electromagnetic valve, and has respectively guide's water intake and guide's water outlet, and described the second pilot valve is positioned at the left side of the first pilot valve;
Cartridge inserted valve integrated block which is provided with water intake, backwater mouth, the first commutation mouth, the second commutation mouth and pipeline group, and described Cartridge inserted valve integrated block is provided with front mounting hole and the rear mounting hole that is positioned at front mounting hole rear side;
The first plug-in mounting assembly, it is connected to the left side of described front mounting hole, the structure of described the first plug-in mounting assembly comprises left valve pocket, left spool, left spring and left control cover plate, described left valve pocket has left valve pocket hole, described left spool movably contact on left valve pocket, described left control cover plate is connected to the outside of Cartridge inserted valve integrated block, the two ends difference contact of described left spring is on left control cover plate and left spool, described left spool is provided with runner, by described runner water intake is communicated with left spring place chamber, described left control cover plate is provided with left duct;
The second plug-in mounting assembly, it is connected to the left side of described rear mounting hole, and the structure of described the second plug-in mounting assembly is identical with the structure of the first plug-in mounting assembly;
The 3rd plug-in mounting assembly, it is connected to the right side of described front mounting hole, the structure of described the 3rd plug-in mounting assembly comprises right valve pocket, right spool, right spring and right control cover plate, described right valve pocket has right valve pocket hole, described right spool movably contact on right valve pocket, described right control cover plate is connected to the outside of Cartridge inserted valve integrated block, and contact is on right control cover plate and right spool respectively at the two ends of described right spring, and described right control cover plate is provided with right duct;
The 4th plug-in mounting assembly, it is connected to the right side of described rear mounting hole, and the structure of described the 4th plug-in mounting assembly is identical with the structure of the 3rd plug-in mounting assembly;
Described water intake branch two-way is connected with first and second plug-in mounting assembly respectively, described backwater mouth branch two-way is connected with third and fourth plug-in mounting assembly respectively, described the first commutation mouth is connected with front mounting hole, and the first commutation mouth is communicated with the position between first and third plug-in mounting assembly with front mounting hole, described the second commutation mouthful is connected with rear mounting hole, and the second commutation mouth and rear mounting hole be communicated with the position between second, four plug-in mounting assemblies; By described pipeline group, the chamber at the left spring place of described the first plug-in mounting assembly is communicated with the chamber at the right spring place of the 4th plug-in mounting assembly, the chamber at the left spring place of described the second plug-in mounting assembly is communicated with the chamber at the right spring place of the 3rd plug-in mounting assembly, described first, guide's water outlet of two pilot valves is communicated with described backwater mouth respectively, the right duct of the left duct of described the first plug-in mounting assembly and the 4th plug-in mounting assembly is respectively with first, one of them guide's water intake of two pilot valves links to each other, and the right duct of the left duct of described the second plug-in mounting assembly and the 3rd plug-in mounting assembly links to each other with another guide's water intake respectively.
2. hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve according to claim 1, it is characterized in that, described runner is included in the center hole of axially offering on the described left spool and the high-pressure induct through hole of radially offering, described center hole is communicated with the high-pressure induct through hole, the hydraulic damping plug is installed on the center hole of described left spool, and described hydraulic damping is provided with damping hole beyond the Great Wall.
3. hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve according to claim 1, it is characterized in that, described the first pilot valve is identical with the structure of the second pilot valve, also comprise respectively guide valve blocks, guide's valve seat, Returnning spring, dull and stereotyped spool and electromagnetic assembly, described guide's valve seat is arranged in the guide valve blocks, described dull and stereotyped spool can be connected on guide's valve seat up or down, the up and down two ends of described Returnning spring are resisted against respectively electromagnetic assembly and flap type core, and the outer cover of described electromagnetic assembly has electromagnet; Described guide valve blocks is provided with described guide's water intake and described guide's water outlet, the corresponding described guide's valve seat of described guide's water outlet.
4. hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve according to claim 3, it is characterized in that, described electromagnetic assembly comprises guide's hollow posts and coil, be disposed with from the bottom up described dull and stereotyped spool, Returnning spring and coil in described guide's hollow posts, the outer cover of described guide's hollow posts has described electromagnet.
5. hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve according to claim 1 is characterized in that, in described first and second plug-in mounting assembly, when its left spool is opened, can form a variable restriction between described left valve pocket and the left spool;
In described third and fourth plug-in mounting assembly, when its right spool is opened, can form a variable restriction between described right valve pocket and the right spool.
6. hydraulic pressure plug-in type 3-position 4-way solenoid directional control valve according to claim 1, it is characterized in that, in described first and second plug-in mounting assembly, adopt the co-axial seal circle to seal between described left spool and the left valve pocket, described co-axial seal circle is comprised of Glais ring and the O RunddichtringO that is arranged in the Glais ring; Head between described Cartridge inserted valve integrated block and the left valve pocket, tail two ends adopt respectively first and second O RunddichtringO to seal; Adopt third and fourth O RunddichtringO to seal between described left control cover plate and the Cartridge inserted valve integrated block;
In described third and fourth plug-in mounting assembly, adopt the co-axial seal circle to seal between described right spool and the right valve pocket, described co-axial seal circle is comprised of Glais ring and the O RunddichtringO that is arranged in the Glais ring; Head between described Cartridge inserted valve integrated block and the right valve pocket, tail two ends adopt respectively first and second O RunddichtringO to seal; Adopt third and fourth O RunddichtringO to seal between described right control cover plate and the Cartridge inserted valve integrated block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310034409.0A CN103062444B (en) | 2013-01-29 | 2013-01-29 | Water pressure plug-in type three-position four-way electromagnetic directional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310034409.0A CN103062444B (en) | 2013-01-29 | 2013-01-29 | Water pressure plug-in type three-position four-way electromagnetic directional valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103062444A true CN103062444A (en) | 2013-04-24 |
| CN103062444B CN103062444B (en) | 2014-12-10 |
Family
ID=48105220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310034409.0A Expired - Fee Related CN103062444B (en) | 2013-01-29 | 2013-01-29 | Water pressure plug-in type three-position four-way electromagnetic directional valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103062444B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422920A (en) * | 2015-12-13 | 2016-03-23 | 北京工业大学 | Hydraulic plug-in type three-position four-way electromagnetic reversing valve |
| CN109915628A (en) * | 2019-03-07 | 2019-06-21 | 深圳市华腾精密机械有限公司 | The integrated inserting valve group in water route and vulcanization mechanomotive force water system |
| CN110242769A (en) * | 2019-07-05 | 2019-09-17 | 江西书源科技有限公司 | A kind of water faucet for water purifier |
| CN113175458A (en) * | 2021-05-14 | 2021-07-27 | 中国船舶重工集团公司第七0七研究所九江分部 | Multistage damping low-noise reversing valve |
| CN113446278A (en) * | 2021-06-28 | 2021-09-28 | 于化杰 | Hydraulic reversing valve |
| CN118110706A (en) * | 2024-04-01 | 2024-05-31 | 美特信息科技(启东)有限公司 | Hydraulic reversing valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030000586A1 (en) * | 2001-07-02 | 2003-01-02 | Tgk Co., Ltd. | Four-way switching valve |
| CN1447051A (en) * | 2002-03-22 | 2003-10-08 | 刘峰 | Electromagnet cut off valve and four-way valve with three positions |
| CN200982329Y (en) * | 2006-11-16 | 2007-11-28 | 湖北楚天工程机械有限公司 | Two position two-way plug-in valve type high and low pressure switching valve |
| CN101082348A (en) * | 2006-05-31 | 2007-12-05 | 刘建辉 | Leading type 2 or 3 position four-way integrated change valve |
| CN201344089Y (en) * | 2009-02-06 | 2009-11-11 | 天津市科音自控设备有限公司 | Control device for digital valve speed governor |
-
2013
- 2013-01-29 CN CN201310034409.0A patent/CN103062444B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030000586A1 (en) * | 2001-07-02 | 2003-01-02 | Tgk Co., Ltd. | Four-way switching valve |
| CN1447051A (en) * | 2002-03-22 | 2003-10-08 | 刘峰 | Electromagnet cut off valve and four-way valve with three positions |
| CN101082348A (en) * | 2006-05-31 | 2007-12-05 | 刘建辉 | Leading type 2 or 3 position four-way integrated change valve |
| CN200982329Y (en) * | 2006-11-16 | 2007-11-28 | 湖北楚天工程机械有限公司 | Two position two-way plug-in valve type high and low pressure switching valve |
| CN201344089Y (en) * | 2009-02-06 | 2009-11-11 | 天津市科音自控设备有限公司 | Control device for digital valve speed governor |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422920A (en) * | 2015-12-13 | 2016-03-23 | 北京工业大学 | Hydraulic plug-in type three-position four-way electromagnetic reversing valve |
| CN105422920B (en) * | 2015-12-13 | 2018-03-16 | 北京工业大学 | A kind of water pressure plug-in type three-position four-way electromagnetic directional valve |
| CN109915628A (en) * | 2019-03-07 | 2019-06-21 | 深圳市华腾精密机械有限公司 | The integrated inserting valve group in water route and vulcanization mechanomotive force water system |
| CN110242769A (en) * | 2019-07-05 | 2019-09-17 | 江西书源科技有限公司 | A kind of water faucet for water purifier |
| CN110242769B (en) * | 2019-07-05 | 2024-02-27 | 江西书源科技有限公司 | Tap for water purifier |
| CN113175458A (en) * | 2021-05-14 | 2021-07-27 | 中国船舶重工集团公司第七0七研究所九江分部 | Multistage damping low-noise reversing valve |
| CN113446278A (en) * | 2021-06-28 | 2021-09-28 | 于化杰 | Hydraulic reversing valve |
| CN118110706A (en) * | 2024-04-01 | 2024-05-31 | 美特信息科技(启东)有限公司 | Hydraulic reversing valve |
| CN118110706B (en) * | 2024-04-01 | 2024-07-19 | 美特信息科技(启东)有限公司 | Hydraulic reversing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103062444B (en) | 2014-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103062444B (en) | Water pressure plug-in type three-position four-way electromagnetic directional valve | |
| CN202834247U (en) | Pure water hydraulic electromagnetism unloading overflow valve | |
| CN202091555U (en) | Slide-valve-type two-position and three-way reversing valve | |
| CN108252977A (en) | A kind of oil path distribution valve for large-flow hydraulic system | |
| CN202579414U (en) | Hydraulic combined valve | |
| CN101655165B (en) | Novel three-way pressure reducing valve | |
| CN103104569B (en) | Three-position four-way water pressure magnetic exchange valve used in deep sea | |
| CN109538562B (en) | Pilot valve sleeve control type switch valve | |
| CN105090150A (en) | Ultrahigh-pressure hydraulic-control integral reversing valve | |
| CN102364123B (en) | Cartridge type two-position four-way water hydraulic reversing valve | |
| CN103321984A (en) | Hydraulic control system for differential oil compensation with electric-hydraulic proportional cartridge valves | |
| CN201184438Y (en) | Overlapped type pressure relief valve | |
| CN102748506A (en) | Electro-hydraulic pilot control switch valve bank | |
| CN204784776U (en) | High temperature high pressure guide formula trip valve | |
| CN201269232Y (en) | Combined multipath reversing solenoid valve | |
| CN2751169Y (en) | Hydraulic controlled reversing valve | |
| CN202301255U (en) | High-water-base two-position four-way electro-hydraulic reversing valve | |
| CN202432014U (en) | Two-position five-way guiding type mechanical valve | |
| CN211924610U (en) | Integrated directional control valve | |
| CN219911945U (en) | Solenoid valve and hydraulic system | |
| CN109296575B (en) | Pilot control type switch valve | |
| CN2436705Y (en) | Hydraulic two-way plug-in installed valve | |
| CN203161701U (en) | Damped speed controllable hydraulic valve bank | |
| CN204200736U (en) | A kind of spool-type valves | |
| CN202510439U (en) | Stacked proportional electromagnetic overflow valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20170129 |