CN201963999U - Double-layered pilot-operated type hard and soft tapered seal electromagnetic valve - Google Patents
Double-layered pilot-operated type hard and soft tapered seal electromagnetic valve Download PDFInfo
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- CN201963999U CN201963999U CN2011200721647U CN201120072164U CN201963999U CN 201963999 U CN201963999 U CN 201963999U CN 2011200721647 U CN2011200721647 U CN 2011200721647U CN 201120072164 U CN201120072164 U CN 201120072164U CN 201963999 U CN201963999 U CN 201963999U
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Abstract
The utility model relates to an electromagnetic valve, particularly to a double-layered pilot-operated type hard and soft tapered seal electromagnetic valve. The electromagnetic valve comprises a valve body provided with a main valve cavity, a main piston arranged in the main valve cavity, a main throttling hole arranged on the main piston and used for communicating an inlet end of a fluid passage and the main valve cavity, and a magnetic-free pipe, wherein the magnetic-free pipe is sleeved with an electromagnetic coil; a movable iron core is connected onto an attraction surface in the magnetic-free pipe through a movable iron core spring; the valve body is connected with the movable iron core through a valve middle cap provided with an auxiliary valve cavity; the bottom of the magnetic-free pipe penetrates an upper cap and is fixed at the top end of the valve middle cap through the upper cap; a middle baffle plate is arranged between the top part of the auxiliary valve cavity and the bottom part of the magnetic-free pipe; an auxiliary piston is arranged in the auxiliary valve cavity; a main piston spring is connected onto the middle cap; and a middle cap throttling hole communicated with the main valve cavity is arranged on the middle cap. Through adopting the structure, the electromagnetic valve has the advantages that the leak tightness is stable, the electromagnetic valve is suitable for activating structures of high-pressure and extra-high pressure electromagnetic valves with large calibers, and the zero pressure leakage is realized at a low pressure and a high pressure.
Description
Technical field
The utility model relates to control automation fluid circuit solenoid valve, and especially a kind of sealing is stablized, compact structure and the low soft awl sealed electrical of the double-deck pilot-operated type hard magnet valve of user cost.
Background technique
The guide electromagnetic valve of prior art, be generally a piston, a pilot hole, a throttle orifice, because the magnetic force of electromagnetic coil is limited, the magnetic force of the electromagnetic coil of general 20W is about 2kg, and too big electromagnetic coil is impracticable again, so the solenoid valve at mesohigh or ultrahigh pressure can only be made small-bore valve,
Also can only do middle pressure valve more than the DN10, be very big at the suction that pilot hole produced of high-pressure solenoid valve, so because the magnetic force of electromagnetic coil is limited, pilot hole can only compare little diameter.Yet the smaller valve pocket of a pilot hole pressure release that diameter is smaller, the pilot hole of big valve pocket minor diameter can not be opened.Reach valve and just can not open, so the guide electromagnetic valve of prior art is the startup that can not satisfy heavy caliber high pressure or extra-high voltage magnet valve.
In sum, the guide electromagnetic valve of prior art can't be applied to high pressure and ultrahigh pressure automation fluid heavy caliber pipeline efficiently, because its effectively pressure release, complex structure is huge, and the installing space demand is big, the user cost height.
Summary of the invention
The purpose of this utility model provides the mesohigh tapering sealing guide electromagnetic valve that a kind of sealing is stablized, had guide property and can both start at mesohigh and ultrahigh pressure.
For realizing that the technological scheme that the utility model purpose adopts is such, it is the soft awl sealed electrical of a kind of double-deck pilot-operated type hard magnet valve, comprise valve body with main valve chamber, be located at the main piston in the main valve chamber, the main piston spring, be arranged on the main throttle orifice that on the main piston inlet side, fluid passage is communicated with main valve chamber, insulation cover and the no magnetic tube of being located in the insulation cover, on no magnetic tube, be with electromagnetic coil, be connected with moving iron core by moving iron core spring on the adhesive face in no magnetic tube, wherein: be connected by the valve middle cover with secondary valve pocket between described valve body and the moving iron core, the bottom of described no magnetic tube is passed loam cake and is fixed on valve middle cover top by loam cake; Be provided with central diaphragm between the top of secondary valve pocket and no magnetic tube bottom, also be provided with sub-piston in secondary valve pocket, sub-piston is connected on the central diaphragm by the sub-piston spring; The bottom of described secondary valve pocket be arranged on valve in the secondary by-pass hole that covers be communicated with, the main other hole that end is communicated with that goes out of secondary by-pass hole and fluid passage is communicated with; Cover during the main piston spring is connected, cover in described and also be provided with the middle cover throttle orifice that communicates with main valve chamber, the middle cover throttle orifice also be located at sub-piston on the chromaffin body discharge orifice communicate.
The utility model is owing to said structure, and its advantage is: the startup structure of stable, suitable bigbore high pressure of sealing and extra-high voltage magnet valve valve, realized the zero-pressure leakage in low pressure and high pressure.
Description of drawings
Device of the present utility model can further specify by the indefiniteness embodiment that accompanying drawing provides.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model main piston;
Fig. 3 is the structural representation of the utility model sub-piston;
Fig. 4 is the structural representation of the utility model main piston assembly;
Fig. 5 is the structural representation of the utility model sub-piston assembly.
Among the figure: 1, valve body; 2, main piston; 201, main cone degree pull bar; 202, main piston frame; 203, main boss; 204, primary seal pad; 205, main piston annular groove; 206, main heavy stand; 3, main throttle orifice; 4, main piston assembly; 5, main piston spring; 6, middle cover throttle orifice; 7, sub-piston; 701, secondary tapering pull bar; 702, locking nut; 703, sub-piston frame; 704, secondary boss; 705, secondary heavy stand; 706, secondary sealing gasket; 707, gas is chewed; 708, pilot hole; 709, sub-piston annular groove; 8, sub-piston assembly; 9, valve middle cover; 10, chromaffin body discharge orifice; 11, sub-piston spring; 12, pilot hole; 13, loam cake; 14, moving iron core; 15, moving iron core spring; 16, no magnetic tube; 17, electromagnetic coil; 18, secondary by-pass hole; 19, main piston pilot hole; 20, secondary valve pocket; 21, main valve chamber; 22, central diaphragm; 23, guide finger; 24, main piston ring; 25, main flexible rubber ring; 26, main elastic wire; 27, sub-piston ring; 28, secondary flexible rubber ring; 29, secondary elastic wire.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
Referring to accompanying drawing, the soft awl sealed electrical of double-deck pilot-operated type hard magnet valve among the figure, comprise valve body 1 with main valve chamber 21, be located at the main piston 2 in the main valve chamber 21, main piston spring 5, be arranged on the main throttle orifice 3 that on the main piston 2 inlet side, fluid passage is communicated with main valve chamber, insulation cover and the no magnetic tube of being located in the insulation cover 16, on no magnetic tube 16, be with electromagnetic coil 17, be connected with moving iron core 14 by moving iron core spring 15 on the adhesive face in no magnetic tube 16, wherein: be connected by the valve middle cover 9 with secondary valve pocket 20 between described valve body 1 and the moving iron core 14, the bottom of described no magnetic tube 16 is passed loam cake 13 and is fixed on valve middle cover 9 tops by loam cake 13; Be provided with central diaphragm 22 between the top of secondary valve pocket 20 and no magnetic tube 16 bottoms, also be provided with sub-piston 7 in secondary valve pocket 20, sub-piston 7 is connected on the central diaphragm 22 by sub-piston spring 11; The bottom of described secondary valve pocket 20 is communicated with secondary by-pass hole 18 on being arranged on valve middle cover 9, and the main other hole that end is communicated with that goes out of secondary by-pass hole 18 and fluid passage is communicated with; Main piston spring 5 is connected on the middle cover 9, also is provided with the middle cover throttle orifice 6 that communicates with main valve chamber 21 on the described middle cover 9, middle cover throttle orifice 6 also be located at sub-piston 7 on chromaffin body discharge orifice 10 communicate.
The described main piston 2 of present embodiment also comprises the main cone degree pull bar 202 that passes main piston frame 201, the bottom of described main cone degree pull bar 202 has the main boss 203 of band tapering, and main boss 203 seals by primary seal pad 204 with the heavy stand of being located in main piston frame 202 bottoms; The bottom of described primary seal pad 204 has the soft bevel sealing surface consistent with the hard bevel sealing surface tapering of main boss 203; The bottom of described main cone degree pull bar 202 has the main heavy stand 206 that cooperates with guide finger 23.
Also be provided with main piston annular groove 205 on the piston shelf of the described main piston 2 of this structure, main piston assembly 4 is installed in the main piston annular groove.
The described main piston assembly 4 of the foregoing description comprises main piston ring 24, is separately positioned on main flexible rubber ring 25 and the main elastic wire 26 gone up in the main piston ring 24 in the low groove.
The described sub-piston 7 of this structure also comprises the secondary tapering pull bar 701 that passes sub-piston frame 703, and the top of secondary tapering pull bar 701 is fixed on the sub-piston frame 703 by locking nut 702; The bottom of described secondary tapering pull bar 701 has the secondary boss 704 of band tapering, and secondary boss 704 seals by secondary sealing gasket 706 with the secondary heavy stand of being located in sub-piston frame 703 bottoms 705; The bottom of described secondary sealing gasket 706 has the soft bevel sealing surface consistent with the hard bevel sealing surface tapering of secondary boss 705.
The center of the described secondary tapering pull bar 701 of this structure is provided with pilot hole 708, and the top of secondary tapering pull bar 701 is provided with diameter and chews 707 less than the gas of pilot hole 708, and gas is chewed 707 and is communicated with pilot hole 708.
Also be provided with sub-piston annular groove 709 on the piston shelf of the described sub-piston 7 of this structure, sub-piston assembly 8 is installed in piston ring groove.
The described sub-piston assembly 8 of the foregoing description comprises sub-piston ring 27, is separately positioned on secondary flexible rubber ring 28 and the secondary elastic wire 29 gone up in the sub-piston ring 27 in the low groove.
Be provided with seal ring between described loam cake 13 of present embodiment and the valve middle cover 9.
Be provided with seal ring between described valve middle cover 9 of present embodiment and the valve body 1.
This structure has the valve of the hard soft combination tapering sealability of two pistons, two pilot holes, two throttle orifices.Main piston 2 is housed in the main valve chamber 21, in the secondary valve pocket 20 sub-piston 7 is housed, sub-piston is on main piston, and the valve port that sub-piston sealed is as the pilot hole of main piston.Sub-piston carries pilot hole.
This structure is work like this: when electromagnetic coil 17 energisings: no magnetic tube 16 has produced magnetic force, moving iron core 14 adhesives, sub-piston valve pocket pilot hole 12 is opened, secondary valve pocket 20 pressure releases, medium promotes to move on the sub-piston 7, and main piston pilot hole 19 is opened, main valve chamber 21 pressure releases, main piston 2 promotes by pressure medium to move, and valve is opened.
When electromagnetic coil 17 outages: no magnetic tube 16 magnetic force disappear, moving iron spring 15, the moving iron iron core of promotion are closed sub-piston valve pocket pilot hole 12, secondary valve pocket 20 superchargings, sub-piston 7 is closed main piston pilot hole 19 by pressure medium and spring, main valve chamber 21 superchargings, main piston 2 is by pressure medium and spring-loaded valve mouth, and valve cuts out.
This structure has been utilized from big pilot hole and has progressively been changed over little pilot hole (promptly gas chews 707), make the pressure that it can the big valve pocket of pressure release heavy caliber, form and to use small-bore pilot hole progressively dwindling valve pocket, thereby low power coil can both be opened the valve of high pressure and ultrahigh pressure.Having satisfied solenoid valve can both open at high pressure and ultrahigh pressure, and the power and the profile of having dwindled coil, on coil, also saved cost, outward appearance does not quite influence installation yet, is to satisfy the use of bigbore high pressure and excess high pressure valves at present most so the soft awl of double-deck pilot-operated type hard seals bigbore high-pressure solenoid valve structure, seal form and working principle.
This structure is particularly useful in the electromagnetic valve structure of above high pressure of DN10 and ultrahigh pressure.
Sealing gasket in the said structure adopts fluorine rubber, teflon, graphite, asbestos, rubber engineering plastics etc.; The tapering pull bar adopts stainless steel, 304# or 316# steel etc.
In sum, because the valve with this structure in use, reached zero leakage and reduced user cost.
Claims (10)
1. the soft awl sealed electrical of double-deck pilot-operated type hard magnet valve, comprise the have main valve chamber valve body (1) of (21), be located at the main piston (2) in the main valve chamber (21), main piston spring (5), be arranged on main piston (2) and go up the main throttle orifice (3) that the inlet side, fluid passage is communicated with main valve chamber, insulation cover and the no magnetic tube of being located in the insulation cover (16), on no magnetic tube (16), be with electromagnetic coil (17), be connected with moving iron core (14) by moving iron core spring (15) on the adhesive face in no magnetic tube (16), it is characterized in that: be connected by the valve middle cover (9) with secondary valve pocket (20) between described valve body (1) and the moving iron core (14), the bottom of described no magnetic tube (16) is passed loam cake (13) and is fixed on valve middle cover (9) top by loam cake (13); Be provided with central diaphragm (22) between the top of secondary valve pocket (20) and no magnetic tube (16) bottom, also be provided with sub-piston (7) in secondary valve pocket (20), sub-piston (7) is connected on the central diaphragm (22) by sub-piston spring (11); The bottom of described secondary valve pocket (20) is communicated with secondary by-pass hole (18) on being arranged on valve middle cover (9), and the main other hole that end is communicated with that goes out of secondary by-pass hole (18) and fluid passage is communicated with; Main piston spring (5) is connected on the middle cover (9), also is provided with the middle cover throttle orifice (6) that communicates with main valve chamber (21) on the described middle cover (9), middle cover throttle orifice (6) also be located at sub-piston (7) on chromaffin body discharge orifice (10) communicate.
2. the soft awl sealed electrical of double-deck pilot-operated type hard according to claim 1 magnet valve, it is characterized in that: described main piston (2) also comprises the main cone degree pull bar (202) that passes main piston frame (201), the bottom of described main cone degree pull bar (202) has the main boss (203) of band tapering, and main boss (203) seals by primary seal pad (204) with the heavy stand of being located in main piston frame (202) bottom; The bottom of described primary seal pad (204) has the soft bevel sealing surface consistent with the hard bevel sealing surface tapering of main boss (203); The bottom of described main cone degree pull bar (202) has the main heavy stand (206) that cooperates with guide finger (23).
3. the soft awl sealed electrical of double-deck pilot-operated type hard according to claim 1 and 2 magnet valve is characterized in that: also be provided with main piston annular groove (205) on the piston shelf of described main piston (2), main piston assembly (4) is installed in the main piston annular groove.
4. the soft awl sealed electrical of double-deck pilot-operated type hard according to claim 3 magnet valve is characterized in that: described main piston assembly (4) comprises main piston ring (24), is separately positioned on main flexible rubber ring (25) and the main elastic wire (26) gone up in the main piston ring (24) in the low groove.
5. the soft awl sealed electrical of double-deck pilot-operated type hard according to claim 1 magnet valve, it is characterized in that: described sub-piston (7) also comprises the secondary tapering pull bar (701) that passes sub-piston frame (703), and the top of secondary tapering pull bar (701) is fixed on the sub-piston frame (703) by locking nut (702); The bottom of described secondary tapering pull bar (701) has the secondary boss (704) of band tapering, and secondary boss (704) passes through secondary sealing gasket (706) sealing with the secondary heavy stand of being located in sub-piston frame (703) bottom (705); The bottom of described secondary sealing gasket (706) has the soft bevel sealing surface consistent with the hard bevel sealing surface tapering of secondary boss (705).
6. the soft awl sealed electrical of double-deck pilot-operated type hard according to claim 1 magnet valve, it is characterized in that: the center of described secondary tapering pull bar (701) is provided with pilot hole (708), the top of secondary tapering pull bar (701) is provided with diameter and chews (707) less than the gas of pilot hole (708), and gas is chewed (707) and is communicated with pilot hole (708).
7. the soft awl sealed electrical of double-deck according to claim 1 or 5 pilot-operated type hard magnet valve is characterized in that: also be provided with sub-piston annular groove (709) on the piston shelf of described sub-piston (7), sub-piston assembly (8) is installed in piston ring groove.
8. the soft awl sealed electrical of double-deck pilot-operated type hard according to claim 7 magnet valve is characterized in that: described sub-piston assembly (8) comprises sub-piston ring (27), is separately positioned on secondary flexible rubber ring (28) and the secondary elastic wire (29) gone up in the sub-piston ring (27) in the low groove.
9. the soft awl sealed electrical of double-deck pilot-operated type hard according to claim 1 magnet valve is characterized in that: be provided with seal ring between described loam cake (13) and the valve middle cover (9).
10. the soft awl sealed electrical of double-deck pilot-operated type hard according to claim 1 magnet valve is characterized in that: be provided with seal ring between described valve middle cover (9) and the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200721647U CN201963999U (en) | 2011-03-18 | 2011-03-18 | Double-layered pilot-operated type hard and soft tapered seal electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200721647U CN201963999U (en) | 2011-03-18 | 2011-03-18 | Double-layered pilot-operated type hard and soft tapered seal electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201963999U true CN201963999U (en) | 2011-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200721647U Expired - Fee Related CN201963999U (en) | 2011-03-18 | 2011-03-18 | Double-layered pilot-operated type hard and soft tapered seal electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201963999U (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734539A (en) * | 2012-07-02 | 2012-10-17 | 魏伯卿 | Pivot-type micro-resistance low-power-consumption large-diameter electromagnetic valve |
| CN102734537A (en) * | 2012-06-26 | 2012-10-17 | 上海航天动力科技工程有限公司 | Electromagnetic pneumatic valve with buffer device |
| CN102927292A (en) * | 2012-11-01 | 2013-02-13 | 浙江理工大学 | Solenoid valve and weft yarn tension device |
| CN103185164A (en) * | 2011-12-31 | 2013-07-03 | 丹佛斯（天津）有限公司 | Electromagnetic valve |
| CN104100758A (en) * | 2014-06-13 | 2014-10-15 | 苏州固基电子科技有限公司 | Two-position two-way solenoid valve |
| CN104763812A (en) * | 2015-03-26 | 2015-07-08 | 苏州福润机械有限公司 | Electromagnetic valve |
| CN105179789A (en) * | 2015-10-18 | 2015-12-23 | 宜宾三江机械有限责任公司 | Direct action type electric control on-off valve |
| CN105333204A (en) * | 2015-10-26 | 2016-02-17 | 无锡市圣科不锈钢气动自控阀门厂 | High-pressure electromagnetic valve |
| CN105650326A (en) * | 2014-11-12 | 2016-06-08 | 浙江三花股份有限公司 | Pilot electromagnetic valve |
| CN105650329A (en) * | 2016-03-08 | 2016-06-08 | 陈国顺 | Ultrahigh-pressure large-caliber electromagnetic valve |
| CN106415088A (en) * | 2013-11-26 | 2017-02-15 | 日产自动车株式会社 | Extraction valve |
| CN106969187A (en) * | 2017-05-31 | 2017-07-21 | 余姚市三力信电磁阀有限公司 | A kind of multistage guiding high pressure magnetic valve of heavy caliber |
| CN110388474A (en) * | 2019-08-29 | 2019-10-29 | 天津航宇卓然科技有限公司 | A kind of miniaturization guide electromagnetic valve of quick response |
| CN110792786A (en) * | 2018-08-01 | 2020-02-14 | 盾安环境技术有限公司 | Electromagnetic valve |
| CN111059303A (en) * | 2019-12-28 | 2020-04-24 | 中船重工重庆液压机电有限公司 | Cone sealing structure and electromagnetic pilot control air valve |
| CN111828661A (en) * | 2020-05-19 | 2020-10-27 | 重庆凯铂瑞阀门有限公司 | Novel self preservation formula solenoid valve |
-
2011
- 2011-03-18 CN CN2011200721647U patent/CN201963999U/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103185164A (en) * | 2011-12-31 | 2013-07-03 | 丹佛斯（天津）有限公司 | Electromagnetic valve |
| CN103185164B (en) * | 2011-12-31 | 2014-12-17 | 丹佛斯（天津）有限公司 | Electromagnetic valve |
| CN102734537A (en) * | 2012-06-26 | 2012-10-17 | 上海航天动力科技工程有限公司 | Electromagnetic pneumatic valve with buffer device |
| CN102734539A (en) * | 2012-07-02 | 2012-10-17 | 魏伯卿 | Pivot-type micro-resistance low-power-consumption large-diameter electromagnetic valve |
| CN102734539B (en) * | 2012-07-02 | 2013-07-10 | 魏伯卿 | Pilot-type micro-resistance low-power-consumption large-diameter electromagnetic valve |
| CN102927292A (en) * | 2012-11-01 | 2013-02-13 | 浙江理工大学 | Solenoid valve and weft yarn tension device |
| CN106415088B (en) * | 2013-11-26 | 2018-11-06 | 日产自动车株式会社 | Extraction valve |
| CN106415088A (en) * | 2013-11-26 | 2017-02-15 | 日产自动车株式会社 | Extraction valve |
| CN104100758A (en) * | 2014-06-13 | 2014-10-15 | 苏州固基电子科技有限公司 | Two-position two-way solenoid valve |
| CN105650326A (en) * | 2014-11-12 | 2016-06-08 | 浙江三花股份有限公司 | Pilot electromagnetic valve |
| CN105650326B (en) * | 2014-11-12 | 2018-05-25 | 浙江三花制冷集团有限公司 | Guide electromagnetic valve |
| CN104763812A (en) * | 2015-03-26 | 2015-07-08 | 苏州福润机械有限公司 | Electromagnetic valve |
| CN105179789A (en) * | 2015-10-18 | 2015-12-23 | 宜宾三江机械有限责任公司 | Direct action type electric control on-off valve |
| CN105333204A (en) * | 2015-10-26 | 2016-02-17 | 无锡市圣科不锈钢气动自控阀门厂 | High-pressure electromagnetic valve |
| CN105650329A (en) * | 2016-03-08 | 2016-06-08 | 陈国顺 | Ultrahigh-pressure large-caliber electromagnetic valve |
| CN105650329B (en) * | 2016-03-08 | 2018-03-06 | 陈国顺 | Super-pressure big caliber electromagnetic valve |
| CN106969187A (en) * | 2017-05-31 | 2017-07-21 | 余姚市三力信电磁阀有限公司 | A kind of multistage guiding high pressure magnetic valve of heavy caliber |
| CN110792786A (en) * | 2018-08-01 | 2020-02-14 | 盾安环境技术有限公司 | Electromagnetic valve |
| CN110792786B (en) * | 2018-08-01 | 2021-09-28 | 盾安环境技术有限公司 | Electromagnetic valve |
| CN110388474A (en) * | 2019-08-29 | 2019-10-29 | 天津航宇卓然科技有限公司 | A kind of miniaturization guide electromagnetic valve of quick response |
| CN111059303A (en) * | 2019-12-28 | 2020-04-24 | 中船重工重庆液压机电有限公司 | Cone sealing structure and electromagnetic pilot control air valve |
| CN111828661A (en) * | 2020-05-19 | 2020-10-27 | 重庆凯铂瑞阀门有限公司 | Novel self preservation formula solenoid valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20140318 |