CN102364123B - Cartridge type two-position four-way water hydraulic reversing valve - Google Patents
Cartridge type two-position four-way water hydraulic reversing valve Download PDFInfo
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- CN102364123B CN102364123B CN201110338963.9A CN201110338963A CN102364123B CN 102364123 B CN102364123 B CN 102364123B CN 201110338963 A CN201110338963 A CN 201110338963A CN 102364123 B CN102364123 B CN 102364123B
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Abstract
The invention discloses a cartridge type two-position four-way water hydraulic reversing valve, which comprises two groups of normally open cartridge valve units, two groups of normally closed cartridge valve units, a cover board, a main valve body and a two-position three-way forerunner electromagnetic ball valve, wherein the cartridge valve units have three-stage concentric structures; and the forerunner control cavities of the four cartridge valve units are communicated with the water outlet of the forerunner electromagnetic ball valve through a hole in the valve body. By the cartridge type two-position four-way water hydraulic reversing valve, the problems of high leakage, easy dead lock, corrosion of a valve opening and the like in the water hydraulic system during adoption of the conventional two-position four-way slide valve and the problems of complicated structure, low reliability, reversing impact caused by synchronous control precision and the like which are caused by two two-position three-way forerunner electromagnetic ball valves adopted in the conventional cartridge valve structure can be solved. The cartridge type two-position four-way water hydraulic reversing valve has the characteristics of high through-flow capacity, high sealing property, high sensitivity, high anti-pollution capacity and compact structure, can reverse stably at high speed. The cartridge type two-position four-way water hydraulic reversing valve is particularly suitable for large-flow hydraulic systems which take sea water, desalted water and high water base and low viscosity liquid as transmission media.
Description
Technical field
The present invention relates to a kind of hydraulicdirectional control valve, especially relate to a kind of plug-in type two-position four-way water hydraulic selector valve.
Background technique
Directly there is the feature of safe, energy-conservation, economy, health using natural sea-water or fresh water as the water hydraulic drive technology of hydraulic medium, meet the demand of sustainable development society to the aspect such as low-carbon energy-saving and natural environmental protection, water hydraulic research has become the advanced subject in current international hydraulics field, and the wide application prospect of tool.
Still there are many technical barriers in the aspects such as design, manufacture and the maintenance of water hydraulic element.Because the viscosity of aqueous medium is lower, lubricated poor, easily produce the shortcoming such as scale and incrustation scale.The problems such as the less gap of seal request while designing water hydraulic element, still only can cause by reducing seal clearance that again requirement on machining accuracy is high, and spool serious wear and easily obstruction are stuck, so slide-valve structure is no longer applicable to the design of aqueous medium hydrovalve.
Traditional two-way plug-in valve can open and close the function that is realized two-position four-way by the identical cartridge valve unit combination of multiple structures by controlling spool, and the pilot-actuated valve of still controlling the keying of cartridge valve unit must be a two-position four-way water hydraulic valve or two two-position three way water hydraulic valves.The scheme that a two-position four-way water hydraulic valve does pilot-actuated valve if adopt the design problem of valve remains the two-position four-way water hydraulic valve that will design the little latus rectum that a pilot control uses, and still cannot break away from the design challenges that two-position four-way valve exists.If pilot-actuated valve adopts two two-position three way water hydraulic valves to combine to control main valve, not only complex structure, reliability reduces, and because the component of whole valve are expensive stainless steel materials because of what select mostly, also can obviously increase the cost of valve.
On many hydraulic system commutation control apparatuss, commutation is needed continuously to commutation fast and the requirement without meta location, such as in seawater desalination reverse osmosis system capacity recovering device, ammonia synthesis process cuprammonia excess pressure energy recovering device, needing energy to reclaim exchange cylinder can be fast, low-loss, low impact commutation, need to guarantee the reliability of work and the rapidity of commutation, if adopt three position four-way directional control valve commutation, can cause the meta of commutation process to wait for, reduce commutation efficiency; If adopt the combination of switch valve group may cause again the string of fresh feed liquor and waste liquid mixed, affect technological effect.And the present invention meets the designing requirement of this type systematic completely, can well realize the switching of working hole and solve the problems such as string water sluicing, reduce the loss of energy, realize the energy-conservation object that high efficiency energy reclaims.The present invention can embody its superior part equally for the equipment that has similar hydraulic pressure commutation to require.
Summary of the invention
The object of the present invention is to provide a kind of plug-in type two-position four-way water hydraulic selector valve, it has solved spool-type valves in water hydraulic system and has been easy to problem stuck and that leakage is serious, only use the spool of a two-position three way guide ball valve control main valve to open and close, reduced manufacture cost, improved the reliability of valve work, the interchangeability of cartridge valve unit is better, valve core structure is succinctly easy to assembly, realize without leaking cone sealing, requirement on machining accuracy is low, long service life.
The technical solution used in the present invention is:
Plug-in type two-position four-way water hydraulic selector valve of the present invention comprises: two identical high voltage terminals of structure often open cartridge valve unit and low voltage terminal is often opened cartridge valve unit, two high voltage terminal that structure is identical normally closed cartridge valve unit and the normally closed cartridge valve of low voltage terminal unit; High voltage terminal is often opened after often opening of cartridge valve unit led the through-flow chamber of the normally closed master entrance connection of through-flow chamber entrance and the normally closed cartridge valve of high voltage terminal unit and is connect water supply high pressure P mouth; The normally closed master through-flow chamber outlet of the normally closed cartridge valve of low voltage terminal unit and low voltage terminal are often opened the main through-flow chamber outlet of often opening of cartridge valve unit and are taken back water low pressure T mouth; The normally closed master through-flow chamber entrance of the normally closed cartridge valve of low voltage terminal unit and high voltage terminal are often opened after the main through-flow chamber outlet of often opening of cartridge valve unit is communicated with and are connect the first water outlet A mouth; Low voltage terminal is often opened after often opening of cartridge valve unit led the through-flow chamber of the normally closed master outlet connection of through-flow chamber entrance and the normally closed cartridge valve of high voltage terminal unit and is connect the second water outlet B mouth; After two often uncap plate sluicing chamber and two normally closed cover plate sluicing chambeies connections, connect sluicing L mouth; Often open after pilot control chamber and two normally closed pilot control chambeies are communicated with for two and connect pilot control opening.
The high voltage terminal of described plug-in type two-position four-way water hydraulic selector valve is often opened cartridge valve unit and low voltage terminal, and often to open cartridge valve modular construction identical, it often opens plug-in mounting spool is a thin ends and thick middle multidiameter shaft, with often open three grades of concentric structures of plug-in mounting valve pocket composition, form and often open main through-flow chamber entrance, often open main through-flow chamber outlet, often uncap plate end control chamber and normally open valve mouth end sluicing chamber; Often open plug-in mounting spool, often open the assembling of plug-in mounting valve pocket and two-position four-way valve main valve body and the plate of often uncapping after formation often open pilot control chamber and often uncap plate sluicing chamber; Often opening pilot control chamber is communicated with the plate end control chamber of often uncapping by often opening the duct of plug-in mounting valve pocket; Normally open valve mouth end sluicing chamber is communicated with the plate sluicing chamber of often uncapping by often opening the duct of plug-in mounting spool; Often open plug-in mounting spool in the time often opening pilot control chamber without pilot pressure, often open plug-in mounting spool and open, often open main through-flow chamber entrance and often open main through-flow chamber outlet and be communicated with; Often opening pilot control chamber while having pilot pressure, often open plug-in mounting spool closure, often open main through-flow chamber entrance and often open main through-flow chamber outlet by often opening the conical surface seal isolation of plug-in mounting spool valve port end.
The normally closed cartridge valve of the high voltage terminal unit of described plug-in type two-position four-way water hydraulic selector valve is identical with the normally closed cartridge valve modular construction of low voltage terminal, its normally closed plug-in mounting spool is a thin ends and thick middle multidiameter shaft, with three grades of concentric structures of normally closed plug-in mounting valve pocket composition, form the through-flow chamber of normally closed master entrance, normally closed master is through-flow chamber outlet, normally closed cover plate end pressure chamber and valve-closed port end control chamber; After normally closed plug-in mounting spool, normally closed plug-in mounting valve pocket and two-position four-way valve main valve body and the assembling of normally closed cover plate, form normally closed pilot control chamber and normally closed cover plate sluicing chamber; Normally closed pilot control chamber is communicated with valve-closed port end control chamber by the duct of normally closed plug-in mounting valve pocket; Normally closed cover plate end pressure chamber is communicated with the through-flow chamber of normally closed master entrance by the duct of normally closed plug-in mounting spool; Normally closed plug-in mounting spool is in normally closed pilot control chamber during without pilot pressure, normally closed plug-in mounting spool closure, and chamber entrance and normally closed master through-flow chamber outlet that normally closed master is through-flow is by the conical surface seal isolation of normally closed plug-in mounting spool valve port end; In the time that there is pilot pressure in normally closed pilot control chamber, normally closed plug-in mounting spool is opened, and normally closed master is through-flow, and chamber entrance is communicated with normally closed master through-flow chamber outlet.
The beneficial effect that the present invention has is:
Adopting the present invention can solve in water hydraulic system adopts traditional two-position four-way guiding valve to leak greatly, easily stuck, the problems such as valve port corrosion, the problems such as the reversing impact that complex structure, the reliability synchronization accuracy low, that control that also can avoid adopting traditional cartridge valve structure to cause with two two-position three way guide Solenoid ball valves causes.The present invention relates to liquid excess pressure energy and reclaim field, especially adopt the reciprocating pressure exchange energy reclaiming device of oil hydraulic cylinder, also can be applied to the commutation control of various device hydraulic system.It is large that the present invention has through-current capability, and good seal performance is highly sensitive, and contamination resistance is strong, and compact structure can be realized steadily the feature of commutation at a high speed.Be particularly suitable for large flow, hydraulic system take seawater, fresh water and high water base low-viscosity (mobile) liquid as driving medium.
Accompanying drawing explanation
Fig. 1 is the structural representation of plug-in type two-position four-way water hydraulic selector valve pilot valve electromagnet while not switching on.
Fig. 2 is the principle schematic symbol diagram of plug-in type two-position four-way water hydraulic selector valve.
Structural representation when Fig. 3 is the energising of plug-in type two-position four-way water hydraulic selector valve pilot valve electromagnet.
Fig. 4 often opens cartridge valve modular construction figure.
Fig. 5 is normally closed cartridge valve modular construction figure.
In figure: H. high voltage terminal is often opened cartridge valve unit, I. the normally closed cartridge valve of low voltage terminal unit, J. low voltage terminal is often opened cartridge valve unit, K. the normally closed cartridge valve of high voltage terminal unit, C. pilot valve water outlet, X. pilot valve water-supplying mouth, Y. pilot valve backwater mouth, 1. two-position three way guide Solenoid ball valve, 2. two-position four-way valve main valve body, 3. often open main through-flow chamber entrance, 4. often open main through-flow chamber outlet, 5. often open pilot control chamber, 6. often open plug-in mounting valve pocket, 7. often open plug-in mounting spool, 8. the plate sluicing chamber of often uncapping, 9. the plate of often uncapping, 10. the plate end control chamber of often uncapping, 11. normally open valve mouth end sluicing chambeies, the 12. through-flow chamber of normally closed master entrances, 13. normally closed master through-flow chamber outlets, 14. normally closed plug-in mounting valve pockets, 15. normally closed plug-in mounting spools, 16. normal closed valve core Returnning springs, 17. normally closed cover plates, 18. normally closed cover plate sluicing chambeies, 19. normally closed cover plate end pressure chambeies, 20. valve-closed port end control chambers, 21. normally closed pilot control chambeies, 22. pilot control opening, 23. Sealings.
Embodiment
Below in conjunction with drawings and embodiments, the present invention is further illustrated.
As shown in Figure 1, the present invention includes that two identical high voltage terminals of structure are often opened cartridge valve unit H and low voltage terminal is often opened cartridge valve unit J, two the normally closed cartridge valve of high voltage terminal unit K and the normally closed cartridge valve of low voltage terminal unit I that structure is identical; High voltage terminal is often opened after often opening of cartridge valve unit H led the through-flow chamber of the normally closed master entrance connection of through-flow chamber entrance and the normally closed cartridge valve of high voltage terminal unit K and is connect water supply high pressure P mouth; The normally closed master through-flow chamber outlet of the normally closed cartridge valve of low voltage terminal unit I and low voltage terminal are often opened the main through-flow chamber outlet of often opening of cartridge valve unit J and are taken back water low pressure T mouth; The normally closed master through-flow chamber entrance of the normally closed cartridge valve of low voltage terminal unit I and high voltage terminal are often opened after the main through-flow chamber outlet of often opening of cartridge valve unit H is communicated with and are connect the first water outlet A mouth; Low voltage terminal is often opened after often opening of cartridge valve unit J led the through-flow chamber of the normally closed master outlet connection of through-flow chamber entrance and the normally closed cartridge valve of high voltage terminal unit K and is connect the second water outlet B mouth; After two often uncap plate sluicing chamber and two normally closed cover plate sluicing chambeies connections, connect sluicing L mouth; Often open after pilot control chamber and two normally closed pilot control chambeies are communicated with for two and receive pilot control opening 22.
Described high voltage terminal is often opened cartridge valve unit H and low voltage terminal, and often to open cartridge valve unit J structure identical, it often opens plug-in mounting spool 7 is thin ends and thick middle multidiameter shafts, with often open plug-in mounting valve pocket 6 and form three grades of concentric structures, form and often open main through-flow chamber entrance 3, often open main through-flow chamber outlet 4, often uncap plate end control chamber 10 and normally open valve mouth end sluicing chamber 11; Often open plug-in mounting spool 7, often open plug-in mounting valve pocket 6 and two-position four-way valve main valve body 2 and plate 9 assemblings of often uncapping after formation often open pilot control chamber 5 and often uncap plate sluicing chamber 8; Often opening pilot control chamber 5 is communicated with the plate end control chamber 10 of often uncapping by often opening the duct of plug-in mounting valve pocket 6; Normally open valve mouth end sluicing chamber 11 is communicated with the plate sluicing chamber 8 of often uncapping by often opening the duct of plug-in mounting spool 7; Often open plug-in mounting spool 7 in the time often opening pilot control chamber 5 without pilot pressure, often open plug-in mounting spool 7 and open, often open main through-flow chamber entrance 3 and often open main through-flow chamber and export 4 and be communicated with; Often opening pilot control chamber 5 while having pilot pressure, often open plug-in mounting spool 7 closures, often open main through-flow chamber entrance 3 and often open main through-flow chamber outlet 4 by often opening the conical surface seal isolation of plug-in mounting spool valve port end.
The normally closed cartridge valve of described high voltage terminal unit K is identical with the normally closed cartridge valve of low voltage terminal unit I structure, its normally closed plug-in mounting spool 15 is thin ends and thick middle multidiameter shafts, form three grades of concentric structures with normally closed plug-in mounting valve pocket 14, form the through-flow chamber of normally closed master entrance 12, normally closed master is through-flow chamber outlet 13, normally closed cover plate end pressure chamber 19 and valve-closed port end control chamber 20; Normally closed plug-in mounting spool 15, normally closed plug-in mounting valve pocket 14 and two-position four-way valve main valve body 2 and rear normally closed pilot control chamber 21 and the normally closed cover plate sluicing chamber 18 of forming of normally closed cover plate 17 assemblings; 21 ducts by normally closed plug-in mounting valve pocket 14, normally closed pilot control chamber are communicated with valve-closed port end control chamber 20; 19 ducts by normally closed plug-in mounting spool 15, normally closed cover plate end pressure chamber are communicated with the through-flow chamber of normally closed master entrance 12; Normally closed plug-in mounting spool 15 is in normally closed pilot control chamber 21 during without pilot pressure, normally closed plug-in mounting spool 15 closures, normally closed master is through-flow chamber entrance 12 with normally closed master through-flow chamber outlet 13 by the conical surface seals isolation of normally closed plug-in mounting spool valve port end; In the time that there is pilot pressure in normally closed pilot control chamber 21, normally closed plug-in mounting spool 15 is opened, and normally closed master is through-flow, and chamber entrance 12 is communicated with normally closed master through-flow chamber outlet 13.
As shown in Fig. 2 schematic symbol diagram, the present invention is the plug-in type two-position four-way water hydraulic selector valve of being controlled by a two-position three way guide Solenoid ball valve 1.The pilot control chamber of four cartridge valve unit of two-position four-way valve main valve body 2 is connected by the duct of main valve body and the pilot valve water outlet C of two-position three way guide Solenoid ball valve 1.When the pressure of pilot valve water-supplying mouth X is provided by the water supply high pressure P mouth of two-position four-way valve main valve body 2, whole valve is internal control type two-position four-way valve.When the pressure of pilot valve water-supplying mouth X is provided by external pilot pressure, valve is externally controlled type two-position four-way valve, while adopting external control mode, need guarantee that pilot pressure is not less than the working pressure of main valve water supply high pressure P mouth.
Be illustrated in figure 4 the structural representation of often opening cartridge valve unit, often open plug-in mounting valve pocket 6, often open plug-in mounting spool 7 and plate 9 assembling of often uncapping after formation often open main through-flow chamber entrance 3, often open main through-flow chamber outlet 4, normally open valve mouth end sluicing chamber 11, often uncap plate end control chamber 10 and Chang Kai pilot control chamber 5, often open pilot control chamber 5 and be communicated with the plate end control chamber 10 of often uncapping by often opening the duct of plug-in mounting valve pocket 6.In the time often opening pilot control chamber 5 without pilot pressure, often uncap plate end control chamber 10 also without pressure, there is pressure and often open main through-flow chamber entrance 3, hydraulic coupling acts on and often opens on plug-in mounting spool 7 along through-flow direction, hydraulic resultant force makes often to open plug-in mounting spool 7 and opens, and often opens main through-flow chamber entrance 3 and Chang Kai master through-flow chamber outlet 4 and is communicated with; When often opening pilot control chamber 5 while having pilot pressure, the plate end control chamber 10 of often uncapping has pressure, often open main through-flow chamber entrance 3 and also have pressure, but the annulus area of the plate end control chamber 10 of often uncapping is greater than the area of often opening main through-flow chamber entrance 3, hydraulic resultant force makes often to open plug-in mounting spool 7 and closes, and often opens main through-flow chamber entrance 3 and Chang Kai master through-flow chamber outlet 4 isolation.
Be illustrated in figure 5 the structural representation of normally closed cartridge valve unit, chamber outlet 13 that normally closed plug-in mounting valve pocket 14, normally closed plug-in mounting spool 15 and normally closed cover plate 17 assemble the rear formation through-flow chamber of normally closed master entrance 12, normally closed master is through-flow, valve-closed port end control chamber 20, normally closed cover plate end pressure chamber 19 and normally closed pilot control chamber 21,21 ducts by normally closed plug-in mounting valve pocket 14, normally closed pilot control chamber are communicated with valve-closed port end control chamber 20.When normally closed pilot control chamber 21 is during without pilot pressure, valve-closed port end control chamber 20 is also without pressure, and the through-flow chamber of normally closed master entrance 12 has pressure, and normally closed cover plate end pressure chamber 19 is communicated with the through-flow chamber of normally closed master entrance 12 by the through-flow duct of spool, but because the annulus area in normally closed cover plate end pressure chamber 19 is greater than the area of the through-flow chamber of normally closed master entrance 12, the joint force of action of hydraulic force on spool closed spool, chamber entrance 12 and normally closed master through-flow chamber outlet 13 isolation that normally closed master is through-flow; In the time that there is pilot pressure in normally closed pilot control chamber 21, valve-closed port end control chamber 20 has pressure, because the area sum of valve-closed port end control chamber 20 annulus areas and the through-flow chamber of normally closed master entrance 12 is greater than the annulus area in normally closed cover plate end pressure chamber 19, hydraulic pressure makes a concerted effort to make normally closed plug-in mounting spool 15 to open, and normally closed master is through-flow, and chamber entrance 12 is communicated with normally closed master through-flow chamber outlet 13.
Known when guide's control chamber is during without pilot pressure by Fig. 4 and Fig. 5, often open plug-in mounting spool and open, normally closed plug-in mounting spool closure; In the time that guide's control chamber has pilot pressure, often open plug-in mounting spool closure, normally closed plug-in mounting spool is opened.
As shown in Figure 1, in the time that the electromagnet of two-position three way guide Solenoid ball valve 1 is not switched on, two-position three way guide Solenoid ball valve is in left position, the water outlet of pilot valve connects pilot valve backwater mouth Y, the pilot control chamber of four cartridge valve unit is without pilot pressure, the spool that high voltage terminal is often opened cartridge valve unit H is opened, and the water supply high pressure P mouth of main valve body is communicated with the first water outlet A mouth; The spool of the normally closed cartridge valve of low voltage terminal unit I is closed, the first water outlet A mouth of main valve body and the isolation of backwater low pressure T mouth; The spool of the normally closed cartridge valve of high voltage terminal unit K is closed, the water supply high pressure P mouth of main valve body and the isolation of the second water outlet B mouth; Low voltage terminal is often opened the spool of cartridge valve unit J and is opened, and the second water outlet B mouth of main valve body is communicated with backwater low pressure T mouth.In the time that two-position three way guide Solenoid ball valve is not switched on, water supply high pressure P mouth is communicated with the first water outlet A mouth, and the second water outlet B mouth is communicated with backwater low pressure T mouth.
As shown in Figure 3, when after the electromagnet energising of two-position three way guide Solenoid ball valve 1, two-position three way guide Solenoid ball valve is in right position, the water outlet of pilot valve connects pilot valve water-supplying mouth X, there is pilot pressure in the pilot control chamber of four cartridge valve unit, high voltage terminal is often opened the spool closure of cartridge valve unit H, the water supply high pressure P mouth of main valve body and the isolation of the first water outlet A mouth; The spool of the normally closed cartridge valve of low voltage terminal unit I is opened, and the first water outlet A mouth of main valve body is communicated with backwater low pressure T mouth; The spool of the normally closed cartridge valve of high voltage terminal unit K is opened, and the water supply high pressure P mouth of main valve body is communicated with the second water outlet B mouth; Low voltage terminal is often opened the spool closure of cartridge valve unit J, the second water outlet B mouth of main valve body and the isolation of backwater low pressure T mouth.When after the energising of two-position three way guide Solenoid ball valve, water supply high pressure P mouth is communicated with the second water outlet B mouth, and the first water outlet A mouth is communicated with backwater low pressure T mouth.
In addition, the water of valve internal leakage by cover plate duct with together with hole link on main valve body, and be connected to sluicing L mouth, if be internal drainage type selector valve when sluicing L mouth is communicated with main valve backwater low pressure T mouth, if when sluicing L mouth is directly drawn independent draining be the formula selector valve that leaks.
Static seal between motive sealing and plug-in mounting valve pocket and the main valve body of inside, cartridge valve of the present invention unit uses respectively Sealing 23 to realize sealing.Normally closed cartridge valve sluicing chamber design be equipped with normal closed valve core Returnning spring 16 with prevent two-position four-way valve before work all spools all in open mode, so that the situation that occurs off-load cisco unity malfunction when main valve voltage supply, Returnning spring can guarantee that normally closed plug-in mounting spool can reset and close in the time working without pressure.The present invention can change as required by the diameter dimension ratio of regulating spool multidiameter shaft the open and shut characteristic of spool, and spool, under the effect of through-flow damper and buffer structure, can be controlled the movement velocity that slows down spool to alleviate the impact force of spool opening-closing process.Adopt principle of the present invention, the latus rectum size that can change spool according to device requirement is designed the two-position four-way water hydraulic selector valve of multiple latus rectum.
The invention belongs to hydraulic pressure reversing control valve class, there is through-current capability large, good seal performance, highly sensitive, contamination resistance is strong, and compact structure can be realized steadily the feature of commutation at a high speed.Be particularly suitable for large flow take seawater, fresh water and high water base low-viscosity (mobile) liquid as the hydraulic system of driving medium, also can be used for the hydraulic system take mineral oil as medium.
Claims (2)
1. a plug-in type two-position four-way water hydraulic selector valve, it is characterized in that comprising: two identical high voltage terminals of structure often open cartridge valve unit (H) and low voltage terminal is often opened cartridge valve unit (J), two the normally closed cartridge valve of high voltage terminal unit (K) and the normally closed cartridge valve of low voltage terminal unit (I) that structure is identical; High voltage terminal is often opened after often opening of cartridge valve unit (H) led the through-flow chamber of the normally closed master entrance connection of through-flow chamber entrance and the normally closed cartridge valve of high voltage terminal unit (K) and is connect water supply high pressure P mouth; The normally closed master through-flow chamber outlet of the normally closed cartridge valve of low voltage terminal unit (I) and low voltage terminal are often opened the main through-flow chamber outlet of often opening of cartridge valve unit (J) and are taken back water low pressure T mouth; The normally closed master through-flow chamber entrance of the normally closed cartridge valve of low voltage terminal unit (I) and high voltage terminal are often opened after the main through-flow chamber outlet of often opening of cartridge valve unit (H) is communicated with and are connect the first water outlet A mouth; Low voltage terminal is often opened after often opening of cartridge valve unit (J) led the through-flow chamber of the normally closed master outlet connection of through-flow chamber entrance and the normally closed cartridge valve of high voltage terminal unit (K) and is connect the second water outlet B mouth; After two often uncap plate sluicing chamber and two normally closed cover plate sluicing chambeies connections, connect sluicing L mouth; Often open after pilot control chamber and two normally closed pilot control chambeies are communicated with for two and receive pilot control opening (22);
Described high voltage terminal is often opened cartridge valve unit (H) and low voltage terminal, and often to open cartridge valve unit (J) structure identical, it often opens plug-in mounting spool (7) is a thin ends and thick middle multidiameter shaft, with often open three grades of concentric structures of plug-in mounting valve pocket (6) composition, form and often open main through-flow chamber entrance (3), often open main through-flow chamber outlet (4), often uncap plate end control chamber (10) and normally open valve mouth end sluicing chamber (11); Often open plug-in mounting spool (7), often open plug-in mounting valve pocket (6) and two-position four-way valve main valve body (2) and the plate (9) of often uncapping assembling afterwards formation often open pilot control chamber (5) and the plate sluicing chamber (8) of often uncapping; Often opening pilot control chamber (5) is communicated with the plate end control chamber (10) of often uncapping by the duct of often opening plug-in mounting valve pocket (6); Normally open valve mouth end sluicing chamber (11) is communicated with the plate sluicing chamber (8) of often uncapping by the duct of often opening plug-in mounting spool (7); Often open plug-in mounting spool (7) in the time often opening pilot control chamber (5) without pilot pressure, often open plug-in mounting spool (7) and open, often open main through-flow chamber entrance (3) and often open main through-flow chamber outlet (4) and be communicated with; Often opening pilot control chamber (5) while having pilot pressure, often open plug-in mounting spool (7) closure, often open main through-flow chamber entrance (3) and often open main through-flow chamber outlet (4) by often opening the conical surface seal isolation of plug-in mounting spool valve port end.
2. a kind of plug-in type two-position four-way water hydraulic selector valve according to claim 1, it is characterized in that: the normally closed cartridge valve of described high voltage terminal unit (K) is identical with the normally closed cartridge valve of low voltage terminal unit (I) structure, its normally closed plug-in mounting spool (15) is a thin ends and thick middle multidiameter shaft, with three grades of concentric structures of normally closed plug-in mounting valve pocket (14) composition, form the through-flow chamber of normally closed master entrance (12), normally closed master is through-flow chamber outlet (13), normally closed cover plate end pressure chamber (19) and valve-closed port end control chamber (20); Normally closed plug-in mounting spool (15), normally closed plug-in mounting valve pocket (14) and two-position four-way valve main valve body (2) and rear normally closed pilot control chamber (21) and the normally closed cover plate sluicing chamber (18) of forming of normally closed cover plate (17) assembling; Normally closed pilot control chamber (21) is communicated with valve-closed port end control chamber (20) by the duct of normally closed plug-in mounting valve pocket (14); Normally closed cover plate end pressure chamber (19) is communicated with the through-flow chamber of normally closed master entrance (12) by the duct of normally closed plug-in mounting spool (15); Normally closed plug-in mounting spool (15) is in normally closed pilot control chamber (21) during without pilot pressure, normally closed plug-in mounting spool (15) closure, normally closed master is through-flow, and chamber entrance (12) is isolated by the conical surface seal of normally closed plug-in mounting spool valve port end with the through-flow chamber outlet of normally closed master (13); In the time that there is pilot pressure in normally closed pilot control chamber (21), normally closed plug-in mounting spool (15) is opened, and normally closed master is through-flow, and chamber entrance (12) is communicated with the through-flow chamber outlet of normally closed master (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110338963.9A CN102364123B (en) | 2011-11-01 | 2011-11-01 | Cartridge type two-position four-way water hydraulic reversing valve |
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| CN201110338963.9A CN102364123B (en) | 2011-11-01 | 2011-11-01 | Cartridge type two-position four-way water hydraulic reversing valve |
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| CN102364123A CN102364123A (en) | 2012-02-29 |
| CN102364123B true CN102364123B (en) | 2014-06-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103104569B (en) * | 2013-01-22 | 2015-06-03 | 北京工业大学 | Three-position four-way water pressure magnetic exchange valve used in deep sea |
| CN105090150B (en) * | 2015-08-05 | 2017-03-22 | 华中科技大学 | Ultrahigh-pressure hydraulic-control integral 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 |
| CN115681236A (en) * | 2022-09-26 | 2023-02-03 | 中国矿业大学 | High-pressure high-flow high-water-base plug-in type digital throttle valve and control method |
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| CN102364123A (en) | 2012-02-29 |
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