CN101418863A - Petro-chemical solenoid valve - Google Patents
Petro-chemical solenoid valve Download PDFInfo
- Publication number
- CN101418863A CN101418863A CNA2008102034261A CN200810203426A CN101418863A CN 101418863 A CN101418863 A CN 101418863A CN A2008102034261 A CNA2008102034261 A CN A2008102034261A CN 200810203426 A CN200810203426 A CN 200810203426A CN 101418863 A CN101418863 A CN 101418863A
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- CN
- China
- Prior art keywords
- bonnet
- valve
- valve rod
- sealing
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention relates to the technical field of an automatic valve, concretely a petroleum chemical industry solenoid valve, which comprises a valve body, a valve core, a valve, a bonnet, a valve rod, a connection plate, a spring seat, a spring, a coil, a moving iron core. The valve is characterized in that the bonnet is mounted between the valve body and the connection plate, the valve core is mounted in the inner chamber of the bonnet, the valve rod is mounted on the valve core, the valve rod passes through the inner hole of the bonnet, the other end of the valve rod is connected with the spring seat, and the spring is connected to the moving iron core; the upper side of the outer diameter of the bonnet is provided with a bonnet sealing ring groove, and the upper side of the inner hole of the bonnet is provided with a valve rod sealing ring groove; the bonnet sealing ring groove is provided with a sealing rubber ring, and the valve rod sealing ring groove is provided with a sealing rubber ring. The invention has the beneficial effects that the sealing of the bonnet and the valve body is reliable, the sealing of the bonnet and the valve rod is reliable, the sealing performance is good, the valve can normally and safely work under the condition of 1.0MPa pressure and strong corrosion medium, and has the advantages of convenient use and longer service life.
Description
[technical field]
The present invention relates to a kind of automatic valve technical field, a kind of specifically petro-chemical solenoid valve.
[background technique]
Existing petro-chemical solenoid valve, because the narrow limitation on the structural design only is applied to small-bore and scope low-pressure, poor sealing performance causes many shortcomings such as leakage and working life weak point easily.
[summary of the invention]
The present invention is the petro-chemical solenoid valve that designs in order to solve the problems of the technologies described above.
The technological scheme that the present invention wants the technical solution problem to be adopted is: a kind of petro-chemical solenoid valve, comprise valve body, spool, bonnet, valve rod, connecting plate, spring seat, spring, coil, moving iron core, it is characterized in that: between valve body and connecting plate, bonnet is housed, spool is contained in the inner chamber of bonnet, the valve rod end is contained on the spool, valve rod passes the endoporus of bonnet, and the other end of valve rod connects spring seat, and spring is connected on the moving iron core; Described bonnet external diameter upside is provided with the bonnet seal groove, is provided with the valve stem seal ring recess at the bonnet inner bore upside; In the bonnet seal groove, be provided with O-ring seal, in the valve stem seal ring recess, be provided with O-ring seal.
Be provided with the bonnet seal groove at bonnet external diameter upside from outside diameter wall 0.2-5mm place, the seal groove degree of depth is 2-20mm.
The invention has the beneficial effects as follows that bonnet and valve seal are reliable, bonnet and valve stem seal are reliable, good seal performance, and can be under 1.0MPa pressure and strong corrosive medium condition long-term normal, trouble free service has advantages such as easy to use, longer service life.
[description of drawings]
Fig. 1 is a general assembly drawing of the present invention;
Fig. 2 is a bonnet parts drawing of the present invention.
[embodiment]
The present invention is further described below in conjunction with drawings and Examples.
According to as shown in Figure 1, 2, petro-chemical solenoid valve comprises valve body 1, spool 2, bonnet 3, valve rod 4, connecting plate 5, spring seat 6, spring 7, coil 8, moving iron core 9, between valve body 1 and the connecting plate 5 bonnet 3 is housed, spool 2 is contained in the inner chamber of bonnet 3, valve rod 4 one ends are contained on the spool 2, valve rod 4 passes the endoporus of bonnet 3, and the other end of valve rod 4 connects spring seat 6; Spring 6 is connected on the moving iron core 9; Be provided with bonnet seal groove 11 at bonnet 3 external diameter upsides, be provided with valve stem seal ring recess 12, be provided with bonnet seal groove 11 from outside diameter wall 0.2-5mm place, seal groove 11 degree of depth 2-20mm at bonnet 3 external diameter upsides at bonnet 3 endoporus upsides.Be provided with valve stem seal ring recess 12 at bonnet 3 endoporus upsides from inner hole wall 0.2-5mm place, seal groove 11 degree of depth: 2-20mm.At bonnet seal groove 11 and the valve stem seal ring recess O-ring seal of packing into.
Claims (2)
1, a kind of petro-chemical solenoid valve, comprise valve body, spool, bonnet, valve rod, connecting plate, spring seat, spring, coil, moving iron core, it is characterized in that: between valve body and connecting plate, bonnet is housed, spool is contained in the inner chamber of bonnet, the valve rod end is contained on the spool, valve rod passes the endoporus of bonnet, and the other end of valve rod connects spring seat, and spring is connected on the moving iron core; Described bonnet external diameter upside is provided with the bonnet seal groove, is provided with the valve stem seal ring recess at the bonnet inner bore upside; In the bonnet seal groove, be provided with O-ring seal, in the valve stem seal ring recess, be provided with O-ring seal.
2, petro-chemical solenoid valve according to claim 1 is characterized in that: be provided with the bonnet seal groove at bonnet external diameter upside from outside diameter wall 0.2-5mm place, the seal groove degree of depth is 2-20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102034261A CN101418863A (en) | 2008-11-27 | 2008-11-27 | Petro-chemical solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102034261A CN101418863A (en) | 2008-11-27 | 2008-11-27 | Petro-chemical solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101418863A true CN101418863A (en) | 2009-04-29 |
Family
ID=40629796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102034261A Pending CN101418863A (en) | 2008-11-27 | 2008-11-27 | Petro-chemical solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101418863A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729836A (en) * | 2013-12-19 | 2015-06-24 | 珠海格力电器股份有限公司 | Solenoid valve pulse test tool |
| CN105387262A (en) * | 2015-12-10 | 2016-03-09 | 西安航天动力研究所 | Single-coil single-sucker multi-channel parallel-connection direct-action multi-component electromagnetic valve |
| CN111980808A (en) * | 2020-09-17 | 2020-11-24 | 中国船舶重工集团公司第七0三研究所 | Electromagnetic air switch of gas turbine |
-
2008
- 2008-11-27 CN CNA2008102034261A patent/CN101418863A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729836A (en) * | 2013-12-19 | 2015-06-24 | 珠海格力电器股份有限公司 | Solenoid valve pulse test tool |
| CN105387262A (en) * | 2015-12-10 | 2016-03-09 | 西安航天动力研究所 | Single-coil single-sucker multi-channel parallel-connection direct-action multi-component electromagnetic valve |
| CN105387262B (en) * | 2015-12-10 | 2017-08-29 | 西安航天动力研究所 | The Direct Action Type multicomponent magnetic valve of unicoil the single sucking disc Multi-channel parallel connection |
| CN111980808A (en) * | 2020-09-17 | 2020-11-24 | 中国船舶重工集团公司第七0三研究所 | Electromagnetic air switch of gas turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20090429 |