CN201628005U - Pilot operated antifouling electromagnetic valve - Google Patents
Pilot operated antifouling electromagnetic valve Download PDFInfo
- Publication number
- CN201628005U CN201628005U CN2010201273130U CN201020127313U CN201628005U CN 201628005 U CN201628005 U CN 201628005U CN 2010201273130 U CN2010201273130 U CN 2010201273130U CN 201020127313 U CN201020127313 U CN 201020127313U CN 201628005 U CN201628005 U CN 201628005U
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- Prior art keywords
- valve
- solenoid valve
- cavity
- antifouling
- valve body
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- Expired - Fee Related
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Abstract
A pilot-operated antifouling electromagnetic valve comprises a valve body with an inlet and an outlet, a main valve core and a valve rod, wherein the valve body comprises a valve cap and a valve base; the main valve core is mounted in the valve body; the cavity in the valve body is divided into an upper cavity and a lower cavity through a film assembly on the valve rod; a return spring is propped between the film assembly and the valve cap; a balance hole is formed in the center of the valve rod; a guiding pin is arranged in the balance hole; a flow control piece is mounted at the lower end of the valve rod, and is matched with the guiding pin to realize the communication of the upper and the lower cavities; a pilot hole formed on the upper cavity is communicated with the pilot cavity of the electromagnetic valve; the pilot cavity is communicated with the outlet on the valve body through an effusion hole; and the valve core controlled by the electromagnetic valve can be matched with the effusion hole to realize closing and opening. The electromagnetic valve is characterized in that an air exhaust nozzle is mounted on the valve cap, and therefore, when power is off, the on/off of the valve can be controlled through loosing the air exhaust nozzle to exhaust air. The electromagnetic valve with simple and reasonable structure can be widely applied to various fields, particularly to sewage pipelines.
Description
Technical field
The utility model relates to the control valve for fluids field, relates in particular to a kind of guide electromagnetic valve.
Background technique
Guide electromagnetic valve all is to control moving up and down of spool by the electromagnetic force that electromagnetic coil energising back produces, makes valve opening or closes, thus the break-make of pilot line medium.Traditional guide electromagnetic valve does not have emergency cock, and when having a power failure, solenoid valve can not be worked, just can't be, and in water intake is gone into the pipeline of upper chamber, do not have filter screen valve open, and make dirt particle etc. enter the proper functioning that upper chamber influences solenoid valve easily.
The patent No. is the guide electromagnetic valve of 200810122200.9 Chinese patent band hand push button, comprise main valve body, by the filter tap assembly, the moving valve core assembly, returning spring, guide's valve component, solenoid valve, manually operated valve, be provided with on the prepass in the main valve body by the filter tap assembly, the back passage is divided into two passages up and down in the main valve body, the import of upper channel is provided with narrow meshed moving valve core assembly, connect guide's valve body on the valve body of upper channel outlet, form Seal cage between moving valve core assembly and guide's valve body, the support of returning spring one end is on the pilot valve body, the other end support is on the moving valve core assembly of sealing or the import of unlatching lower channel, the preceding import and the back import that all link to each other with the main valve body upper channel are arranged on guide's valve channel, the outlet of guide's valve channel links to each other with the outlet end of main valve body, solenoid valve is set on the passage, in the back import manually operated valve is set, the outlet of lower channel links to each other with the main valve body outlet end.This guide electromagnetic valve has increased manual valve means, when outage still can control valve normal use, but structure is complicated, use neither be very convenient.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of simple in structure, reasonable in design at the above-mentioned state of the art, still can open the antifouling solenoid valve of leading type of valve when outage.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: the antifouling solenoid valve of a kind of leading type, comprise the valve body, main valve plug, valve rod and the solenoid valve that have import and outlet, wherein valve body comprises valve gap and valve seat, main valve plug is installed in the valve body, cavity in the valve body is divided into epicoele and cavity of resorption by the septum assembly on the valve rod, is provided with spring between septum assembly and the valve gap; The center of valve rod has equalizing orifice, be provided with a guiding pin in the equalizing orifice, the lower end of valve rod is equipped with flow control member, cooperate with a guiding pin, realize being communicated with of epicoele and cavity of resorption, and epicoele is provided with pilot hole and is communicated with guide's cavity of solenoid valve, guide's cavity is communicated with outlet on the valve body by the cascading water hole, the spool of electromagnetic valve is closed and cooperating of opening with the cascading water hole, it is characterized in that on the described valve gap exhaust nozzle being installed.
As improvement, described exhaust nozzle is installed in the upper end of valve gap, with valve gap by being threaded, and be lined with the O RunddichtringO and carry out sealing and fixing.
As improvement, the lower end of described guiding item pin, the ingress of equalizing orifice is provided with filter screen, can prevent that granule foreign from entering the closure that epicoele influences solenoid valve.
Improve, described solenoid valve is by being threaded on the valve body, and seals with seal ring, is provided with Returnning spring between the spool of solenoid valve and the solenoid valve lower end again, and the spool of electromagnetic valve is positioned at the top in cascading water hole.
At last, the spool of described solenoid valve is a pin shaft structure.
Compared with prior art, advantage of the present utility model is: exhaust nozzle is installed on the valve gap, and can be under the situation of outage, unscrew exhaust nozzle, make the pressure of epicoele reduce, barrier film is formed on every side go up low high pressure reduction, move on the barrier film, thereby open valve, can work when cutting off the power supply so in the same old way; In addition, be provided with filter screen in the equalizing orifice ingress, can prevent that granule foreign from entering the closure that epicoele influences solenoid valve, thereby influence the use of valve, the utility model is simple in structure, reasonable in design, can be widely used in every field, is particularly useful for sewage conduct.
Description of drawings
Fig. 1 is the sectional view of the antifouling solenoid valve of leading type;
Fig. 2 is the plan view of the antifouling solenoid valve of leading type;
Fig. 3 is the partial enlarged drawing of valve core of the electromagnetic valve.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in the figure, the antifouling solenoid valve of a kind of leading type, comprise the valve body 1, main valve plug 2, valve rod 3, the solenoid valve 4 that have import 1.1 and outlet 1.2, wherein valve body 1 comprises valve gap 1.3 and valve seat 1.4, valve gap 1.3 is involutory with valve seat 1.4, form the cavity in the valve body 1, and clamp septum assembly 5, cavity is separated into epicoele 1.5 and cavity of resorption 1.6; Barrier film 5.1, punch holder 5.2 and the die holder 5.3 of septum assembly 5 in the middle of comprising is fixed on the stage casing of valve rod 3 by nut 6, is supported with spring 7 between septum assembly 5 and the valve gap 1.3; The hypomere of valve rod 3 is fixed with pressure cap 2.1 by nut 6 and clamping plate 8, pressure cap 2.1 lower ends are inlayed and are fixed with sealing gasket 2.2, constitute main valve plug 2, center hole fitted seal with valve seat 1.4, the epimere of valve rod 3 is connected with valve body 1 handwheel 10 outward by guide rod 9, guide rod 9 and valve body 1 are for being threaded, can drive the rising or the decline of main valve plug 2 by rotation hand wheel 10, realize the switching of main valve plug 2, the center of valve rod 3 has equalizing orifice 3.1, a guiding pin 11 is installed in the equalizing orifice 3.1, the hypomere of valve rod 3 is equipped with flow control member 12, cooperate with a guiding pin 11, realization epicoele 1.5 is communicated with cavity of resorption 1.6, in guiding pin 11 lower end, the inlet of equalizing orifice 3.1 goes out, a filter screen 13 is installed, epicoele 1.5 is communicated with guide's cavity 4.1 of solenoid valve 4 by pilot hole 14, guide's cavity 4.1 communicates with the outlet 1.2 of valve body 1 through cascading water hole 15, solenoid valve 4 is fixed on the valve gap 1.3 by being threaded, and seal with the O RunddichtringO, the armature upper end of solenoid valve 4 is a newel 4.4, be fixed on by nut 4.7 on the framework 4.6 of solenoid valve 4, be provided with electromagnetic coil 4.5 in the framework 4.6, the armature lower end of solenoid valve 4 connects the spool 4.2 that a bearing pin 4.21 forms solenoid valve, valve seat axis hole fitted seal with solenoid valve 4, spool 4.2 is positioned at 15 tops, cascading water hole, be provided with Returnning spring 4.3 between spool 4.2 and solenoid valve 4 hypomeres, be convenient to the closure in solenoid valve 4 control spools 4.2 and cascading water hole 15, opposite side at valve gap 1.3, an exhaust nozzle 16 is installed, exhaust nozzle 16 and valve gap 1.3 be for being threaded, and be lined with 17 sealings of O RunddichtringO.
Working principle is such: when electromagnetic coil 4.5 no electric circuits, the bearing pin 4.21 on the spool 4.2 and the valve seat fitted seal of solenoid valve 4, pilot hole 14 and cascading water hole 15 are closed, the water of cavity of resorption 1.6 enters epicoele 1.5 by equalizing orifice 3.1, make pressure balance on the barrier film 5.1, under the effect of spring force, sealing gasket 2.2 contacts valve closing with valve seat 1.4 interior valve ports; When electromagnetic coil 4.5 energisings, under the effect of electromagnetic force, move on the armature, bearing pin 4.21 on the spool 4.2 is separated with solenoid valve 4 valve seats, just pilot hole 14 is communicated with cascading water hole 15 and opens, the water on barrier film 5.1 tops is discharged by weep hole 1.2, the pressure of epicoele 1.5 descends rapidly like this, forming low high pressure reduction around the barrier film 5.1, promoting barrier film 5.1 and move up valve open.Under powering-off state, can unscrew exhaust nozzle 16, make epicoele 5.1 pressure reduce, forming low high pressure reduction around the barrier film 5.1, move valve open on the barrier film 5.1.
Claims (6)
1. antifouling solenoid valve of leading type, comprise the valve body, main valve plug, valve rod and the solenoid valve that have import and outlet, wherein valve body comprises valve gap and valve seat, main valve plug is installed in the valve body, cavity in the valve body is divided into epicoele and cavity of resorption by the septum assembly on the valve rod, is provided with spring between septum assembly and the valve gap; The center of valve rod has equalizing orifice, be provided with a guiding pin in the equalizing orifice, the lower end of valve rod is equipped with flow control member, cooperate with a guiding pin, realize being communicated with of epicoele and cavity of resorption, and epicoele is provided with pilot hole and is communicated with guide's cavity of solenoid valve, guide's cavity is communicated with outlet on the valve body by the cascading water hole, the spool of electromagnetic valve is closed and cooperating of opening with the cascading water hole, it is characterized in that on the described valve gap exhaust nozzle being installed.
2. the antifouling solenoid valve of leading type according to claim 1 is characterized in that described exhaust nozzle is installed in the upper end of valve gap, with valve gap by being threaded, and be lined with the O RunddichtringO and carry out sealing and fixing.
3. the antifouling solenoid valve of leading type according to claim 1 and 2 is characterized in that the lower end of a described guiding pin, and the ingress of equalizing orifice is provided with filter screen.
4. the antifouling solenoid valve of leading type according to claim 3 is characterized in that described solenoid valve is by being threaded on the valve body, and seals with seal ring.
5. the antifouling solenoid valve of leading type according to claim 4 it is characterized in that being provided with Returnning spring between the spool of described solenoid valve and the solenoid valve lower end, and spool is positioned at the top in cascading water hole.
6. the antifouling solenoid valve of leading type according to claim 5, the spool that it is characterized in that described solenoid valve is a pin shaft structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201273130U CN201628005U (en) | 2010-03-09 | 2010-03-09 | Pilot operated antifouling electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201273130U CN201628005U (en) | 2010-03-09 | 2010-03-09 | Pilot operated antifouling electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201628005U true CN201628005U (en) | 2010-11-10 |
Family
ID=43059398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201273130U Expired - Fee Related CN201628005U (en) | 2010-03-09 | 2010-03-09 | Pilot operated antifouling electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201628005U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019090461A1 (en) * | 2017-11-07 | 2019-05-16 | Norgren Manufacturing Co., Ltd. | Improved diaphragm valve |
| CN110067881A (en) * | 2019-05-28 | 2019-07-30 | 宁波世纪恒祥自控技术有限公司 | A kind of double pilot pressures are from force regulating valve |
| CN113700929A (en) * | 2021-08-29 | 2021-11-26 | 中国船舶重工集团公司第七一九研究所 | Pilot-operated high-pressure air electromagnetic valve |
| WO2023185997A1 (en) * | 2022-03-31 | 2023-10-05 | 浙江三花汽车零部件有限公司 | Electric valve |
-
2010
- 2010-03-09 CN CN2010201273130U patent/CN201628005U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019090461A1 (en) * | 2017-11-07 | 2019-05-16 | Norgren Manufacturing Co., Ltd. | Improved diaphragm valve |
| CN111556941A (en) * | 2017-11-07 | 2020-08-18 | 埃迈诺冠气动器材(上海)有限公司 | Improved diaphragm valve |
| CN110067881A (en) * | 2019-05-28 | 2019-07-30 | 宁波世纪恒祥自控技术有限公司 | A kind of double pilot pressures are from force regulating valve |
| CN110067881B (en) * | 2019-05-28 | 2024-05-17 | 宁波世纪恒祥自控技术有限公司 | Double-pilot pressure self-operated regulating valve |
| CN113700929A (en) * | 2021-08-29 | 2021-11-26 | 中国船舶重工集团公司第七一九研究所 | Pilot-operated high-pressure air electromagnetic valve |
| WO2023185997A1 (en) * | 2022-03-31 | 2023-10-05 | 浙江三花汽车零部件有限公司 | Electric valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20101110 Termination date: 20170309 |