CN201100457Y - Electromagnetic pilot high-voltage two-position and three-pass valve - Google Patents
Electromagnetic pilot high-voltage two-position and three-pass valve Download PDFInfo
- Publication number
- CN201100457Y CN201100457Y CNU2007200295709U CN200720029570U CN201100457Y CN 201100457 Y CN201100457 Y CN 201100457Y CN U2007200295709 U CNU2007200295709 U CN U2007200295709U CN 200720029570 U CN200720029570 U CN 200720029570U CN 201100457 Y CN201100457 Y CN 201100457Y
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- electromagnetic
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Abstract
The utility model relates to an electromagnetic pilot-operated high pressure two-position triple valve, which is characterized in that a valve core (3) arranged in a valve body (1) and an elastic push-rod (17) are contacted with a steel ball (11), when an electromagnetic valve core (6) retracts, then a vent (8) is sealed, and a left valve chest (5) is communicated with an air inlet channel (2); due to the end area of the valve core (3) is lager than that of a hole (19), the valve core and the steel ball are pushed by high pressure difference to seal the hole in a right sealing base (18), an exhaust channel (10) is communicated with an emptying channel (9); when the electromagnetic valve core (6) juts out, which can ensure that the air inlet channel (2) is sealed, the left valve chest (5) and the vent (8) are communicated with atmosphere, at this time, the steel ball is pushed to the left side and sealed by pressure difference, and the exhaust channel (10) is communicated with an air inlet channel (16). The two-position triple valve has the advantages of simple structure, convenient application, high control precision and high pressure adaptability.
Description
Technical field
The utility model relates to the gas of high pressure or the control gear of liquid, particularly a kind of electromagnetic pilot type high-pressure two-position three-port valve.
Background technique
In the air compressor field, especially pressurized air is carried out the equipment for after-treatment field of dry decontamination, general device must adopt 5 solenoid valves, 5 pneumatic actuators and 5 high-pressure ball valves to cooperatively interact, and just can reach the purpose that makes various gas circuits open or close.Because they need interconnect, install with pipeline, therefore it exist complex structure, bulky, efficient is relatively poor, awkward shortcoming, make external connecting pipe road, the parts of compressor or dry decontamination equipment too numerous and diverse, occur various faults easily.The function of above-mentioned solenoid valve, pneumatic actuator and high-pressure ball valve can be become one, to overcome above shortcoming? retrieve widely at the problems referred to above, still find no relevant solution this problem.
The model utility content
The purpose of this utility model is exactly the shortcoming that parts are too numerous and diverse, the external connecting pipe road is many that exists for the control valve that overcomes in the prior art, and a kind of improved electromagnetic pilot type high-pressure two-position three-port valve that proposes at above-mentioned shortcoming, it becomes one the function of solenoid valve, pneumatic actuator and high-pressure ball valve.
The technical solution adopted in the utility model is:
A kind of electromagnetic pilot type high-pressure two-position three-port valve, it comprises valve body (1) and spool (3), it is characterized in that:
A. valve body be provided with suction port (23) and communicate with suction port (23) be arranged at gas-entered passageway (2), (16) of leading to both sides in the valve body, also being provided with left valve chamber (5) on the valve body matches with gas-entered passageway (2), connect a solenoid valve (7) on the valve body, electromagnetic valve core (6) in the solenoid valve (7) forms slipper seal with left valve chamber (5) and cooperates, and is provided with the axial bore (6a) and the radial hole (6b) that communicate with left valve chamber (5) in the electromagnetic valve core (6);
B. be provided with the spool bore (a) and the valve seat orifice (b) coaxial and that communicate of a ladder-type in the valve body, spool bore (a) end communicates with left valve chamber (5), valve seat orifice (b) end communicates with gas-entered passageway (16), be provided with an emptying passage (9) that communicates with spool bore (a) and a high-pressure channel (10) that communicates with valve seat orifice (b) in the valve body, be provided with the exhaust port (8) that communicates with left valve chamber (5) in the valve body, exhaust port (8) the other end communicate with emptying passage (9) (promptly communicating) with atmosphere, when electromagnetic valve core (6) was withdrawn, electromagnetic valve core (6) sealed exhaust port (8), with left valve chamber (5) and gas-entered passageway (2) UNICOM; When electromagnetic valve core (6) when stretching out, electromagnetic valve core (6) with radial hole (6b) with exhaust port (8) UNICOM, with left valve chamber (5) and gas-entered passageway (2) sealing;
C., the spool (3) that one slipper seal cooperates is set in the spool bore (a), spool (3) is a multidiameter shaft, be connected spring (4) between its big end and left valve chamber (5), part that spool (3) diameter is less and spool bore (a) form one section cavity, and this cavity cooperates with emptying passage (9) formation UNICOM;
D. in the valve seat orifice (b) two sealing seats (18) are set, (22), being provided with cavity between two sealing seats communicates with high-pressure channel (10), each sealing seat is equipped with and the coaxial hole of spool bore (a), each sealing seat opposing end faces is provided with taper hole (21) respectively, the less part of spool (3) diameter is passed the hole in the sealing seat (22), in the hole (19) of sealing seat (18), an elastic push rod (17) is set, be provided with a steel ball (11) in the cavity between two taper holes, it can be under the effect of spool (3) or elastic push rod (17) forms with the taper hole of correspondence respectively and is sealed and matched.
Described valve body can be that the right valve barrel (15) by left valve barrel of split (1) and split is connected into an overall structure.Spool (3) can be three sections multidiameter shafts, She Ji purpose is for fear of when high-pressure channel (10) and emptying passage (9) when communicating like this, high-pressure channel (10) discharges instantaneous pressure and equates with left valve chamber's inner high voltage, thereby produce spool (3) break, the big end and the small end of three sections multidiameter shafts have enough area difference, are enough to overcome the break of spool (3).In the described hole that is arranged on sealing seat (18) elastic push rod (17) is set, can adopts a spring, or adopt the structure that spring adds push rod, it all is the effect of playing pretightening force with the spring that the big end of spool (3) is connected.
Can learn that by above description the essence of the technical solution of the utility model is to utilize the pressure difference at spool two ends to promote the steel ball unlatching or close corresponding passage, and the pressure difference at spool two ends is controlled in advance by electromagnetic valve core.
The utility model compared with prior art has following advantage: 1, simple structure, and easy to use, interchangeability is strong, and rate of fault is low, is beneficial to maintenance, and 2, working pressure is wide, pressure is up to 40Mpa, and it is very convenient to regulate cracking pressure, regulates the setting accuracy height.
Description of drawings
Fig. 1 is the sectional view of the electromagnetic pilot type high-pressure two-position three-port valve that provides of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
As shown in Figure 1, the electromagnetic pilot type high-pressure two-position three-port valve that the utility model provides, wherein valve body is by after the left valve barrel 1 of split and right valve barrel 15 combinations, and connect into an overall structure by bolt 14, the screw plug 12 of upper end is the process structure of passage 16, connect a solenoid valve 7 on valve body, its internal feature structure is as follows:
A. valve body 1 be provided with suction port 23 and communicate with suction port 23 be arranged at the gas-entered passageway 2,16 that leads to both sides in the valve body, also being provided with left valve chamber 5 on the valve body matches with gas-entered passageway 2, connect a solenoid valve 7 on the valve body, electromagnetic valve core 6 in the solenoid valve 7 forms slipper seal with left valve chamber 5 and cooperates, be provided with the axial bore 6a and the radial hole 6b that communicate with left valve chamber 5 in the electromagnetic valve core 6
B. be provided with the spool bore a and the valve seat orifice b coaxial and that communicate of a ladder-type in the valve body, spool bore a one end communicates with left valve chamber 5, valve seat orifice b one end communicates with gas-entered passageway 16, be provided with an emptying passage 9 that communicates with spool bore a and a high-pressure channel 10 that communicates with valve seat orifice b in the valve body, the other end of high-pressure channel 10 is connected with air compressor or compressed air cleaning equipment.Be provided with an exhaust port 8 that communicates with left valve chamber 5 in the valve body, exhaust port 8 the other ends communicate with emptying passage 9 (promptly communicating) with atmosphere, when electromagnetic valve core 6 is upwards withdrawn (solenoid valve as shown in Figure 1 is in power failure state), electromagnetic valve core 6 is with exhaust port 8 sealings, with left valve chamber 5 and gas-entered passageway 2 UNICOMs; When electromagnetic valve core 6 stretched out downwards, electromagnetic valve core 6 was with radial hole 6b and exhaust port 8 UNICOMs, with left valve chamber 5 and gas-entered passageway 2 sealings.
C., the spool 3 that one slipper seal cooperates is set among the spool bore a, spool 3 is three sections multidiameter shafts, be connected spring 4 between the big end in its left side and the left valve chamber 5, part that spool 3 right part diameters are less and spool bore a form one section cavity, and this cavity cooperates with emptying passage 9 formation UNICOMs;
D., the sealing seat 18,22 of two annulars is set among the valve seat orifice b, each sealing seat is equipped with the hole coaxial with spool bore a, as the hole in the sealing seat 18 19, each sealing seat opposing end faces is provided with taper hole respectively, as the taper hole in the sealing seat 22 21, the less part of spool 3 diameters is passed the hole in the sealing seat 22.An elastic push rod of being made up of push rod 17 and spring 13 is set in the hole of sealing seat 18, and the right side of spring 13 then is connected in the gas-entered passageway 16 in the right valve barrel 15.Be provided with in the cavity that between two taper holes, forms one can be movable steel ball 11, it can be under the effect of spool 3 or elastic push rod 17 forms with the taper hole of correspondence respectively and is sealed and matched.
According to above structure, its working procedure is as follows as can be seen:
A: as shown in Figure 1 be that solenoid valve 7 is in power failure state, electromagnetic valve core 6 is upwards regained, electromagnetic valve core 6 is with exhaust port 8 sealings, with left valve chamber 5 and gas-entered passageway 2 UNICOMs, the high-pressure air (more than the 35mpa) that is entered by suction port 23 enters in the hole 19 in left valve chamber 5 and the sealing seat 18 simultaneously, because the area of the big end in the left side of spool 3 is greater than the area in hole 19, high-pressure air promotes spool 3, steel ball 11 with the sealing of the taper hole on sealing seat 18 end faces, and this moment, high-pressure channel 10 was by the endoporus of sealing seat 22, the cavity and emptying passage 9 UNICOMs of spool 3 right parts.Spool 3 is three sections multidiameter shafts among Fig. 1, She Ji purpose is to communicate moment for fear of working as high-pressure channel 10 and emptying passage 9 like this, high-pressure channel 10 discharges instantaneous pressure and equates with 5 high pressure in the left valve chamber, if the left end of spool 3 equates with the stage casing, then cavity a section and left valve chamber's 5 air pressure equate, thereby produce spool 3 breaks, therefore the big end of three sections multidiameter shafts of the present utility model and the small end in stage casing have enough area difference, are enough to overcome the break of spool 3.
B: when solenoid valve 7 be in electricity condition, electromagnetic valve core 6 stretches out downwards, the cylinder of electromagnetic valve core 6 is with left valve chamber 5 and gas-entered passageway 2 sealings, with exhaust port 8 and radial hole 6b UNICOM, make left valve chamber 5 and atmosphere UNICOM, this moment, steel ball 11 was moved to the left under the promotion of pressurized gas and spring 13, and taper hole 21 sealings of sealing seat 22 end faces on the left side have formed gas-entered passageway 16 and high-pressure channel 10 UNICOMs this moment the most at last.
Can learn that by above description the essence of the technical solution of the utility model is to utilize the pressure difference at spool two ends to promote the steel ball unlatching or close corresponding passage, and the pressure difference at spool two ends is controlled by electromagnetic valve core.
Claims (3)
1, a kind of electromagnetic pilot type high-pressure two-position three-port valve, it comprises valve body (1) and spool (3), it is characterized in that:
A. valve body (1) be provided with suction port (23) and communicate with suction port (23) be arranged at gas-entered passageway (2), (16) of leading to both sides in the valve body, also being provided with left valve chamber (5) on the valve body matches with gas-entered passageway (2), connect a solenoid valve (7) on the valve body, electromagnetic valve core (6) in the solenoid valve (7) forms slipper seal with left valve chamber (5) and cooperates, and is provided with the axial bore (6a) and the radial hole (6b) that communicate with left valve chamber (5) in the electromagnetic valve core (6);
B. be provided with the spool bore (a) and the valve seat orifice (b) coaxial and that communicate of a reducing in the valve body (1), spool bore (a) end communicates with left valve chamber (5), valve seat orifice (b) end communicates with gas-entered passageway (16), be provided with an emptying passage (9) that communicates with spool bore (a) and a high-pressure channel (10) that communicates with valve seat orifice (b) in the valve body, be provided with an exhaust port (8) that communicates with left valve chamber (5) in the valve body, exhaust port (8) the other end communicates with atmosphere, when electromagnetic valve core (6) was withdrawn, electromagnetic valve core (6) sealed exhaust port (8), with left valve chamber (5) and gas-entered passageway (2) UNICOM; When electromagnetic valve core (6) when stretching out, electromagnetic valve core (6) with radial hole (6b) with exhaust port (8) UNICOM, with left valve chamber (5) and gas-entered passageway (2) sealing;
C., the spool (3) that one slipper seal cooperates is set in the spool bore (a), spool (3) is a multidiameter shaft, be connected spring (4) between its big end and left valve chamber (5), part that spool (3) diameter is less and spool bore (a) form one section cavity, and this cavity cooperates with emptying passage (9) formation UNICOM;
D. in the valve seat orifice (b) two sealing seats (18) are set, (22), being provided with cavity (20) between two sealing seats communicates with high-pressure channel (10), each sealing seat is equipped with the hole (19) coaxial with spool bore (a), each sealing seat opposing end faces is provided with taper hole (21) respectively, the less part of spool (3) diameter is passed the hole in the sealing seat (22), in the hole (19) of sealing seat (18), an elastic push rod (17) is set, be provided with a steel ball (11) in the cavity between two taper holes, it can be under the effect of spool (3) or elastic push rod (17) forms with the taper hole of correspondence respectively and is sealed and matched.
2, electromagnetic pilot type high-pressure two-position three-port valve according to claim 1 is characterized in that described valve body is to be connected into an overall structure by the left valve barrel (1) of split and the right valve barrel (15) of split.
3, electromagnetic pilot type high-pressure two-position three-port valve according to claim 1 is characterized in that spool (3) is three sections multidiameter shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200295709U CN201100457Y (en) | 2007-11-03 | 2007-11-03 | Electromagnetic pilot high-voltage two-position and three-pass valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200295709U CN201100457Y (en) | 2007-11-03 | 2007-11-03 | Electromagnetic pilot high-voltage two-position and three-pass valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201100457Y true CN201100457Y (en) | 2008-08-13 |
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ID=39936990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200295709U Expired - Lifetime CN201100457Y (en) | 2007-11-03 | 2007-11-03 | Electromagnetic pilot high-voltage two-position and three-pass valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201100457Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851226A (en) * | 2014-03-24 | 2014-06-11 | 武汉理工大学 | High speed high flow self-resetting electromagnetic valve |
| CN104864120A (en) * | 2015-04-20 | 2015-08-26 | 侨健新能源科技（苏州）有限公司 | Durable mechanical valve |
| CN108278169A (en) * | 2018-01-29 | 2018-07-13 | 中国第汽车股份有限公司 | High pressure resistant two-bit triplet electromagnetic switching valve |
| CN110274030A (en) * | 2019-06-27 | 2019-09-24 | 格力电器（合肥）有限公司 | A kind of solenoid valve |
-
2007
- 2007-11-03 CN CNU2007200295709U patent/CN201100457Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851226A (en) * | 2014-03-24 | 2014-06-11 | 武汉理工大学 | High speed high flow self-resetting electromagnetic valve |
| CN104864120A (en) * | 2015-04-20 | 2015-08-26 | 侨健新能源科技（苏州）有限公司 | Durable mechanical valve |
| CN108278169A (en) * | 2018-01-29 | 2018-07-13 | 中国第汽车股份有限公司 | High pressure resistant two-bit triplet electromagnetic switching valve |
| CN110274030A (en) * | 2019-06-27 | 2019-09-24 | 格力电器（合肥）有限公司 | A kind of solenoid valve |
| CN110274030B (en) * | 2019-06-27 | 2020-07-31 | 格力电器（合肥）有限公司 | Electromagnetic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20071103 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |