CN203309190U - Novel-structure valve core assembly of electromagnetic pilot operated valve - Google Patents
Novel-structure valve core assembly of electromagnetic pilot operated valve Download PDFInfo
- Publication number
- CN203309190U CN203309190U CN2013203280240U CN201320328024U CN203309190U CN 203309190 U CN203309190 U CN 203309190U CN 2013203280240 U CN2013203280240 U CN 2013203280240U CN 201320328024 U CN201320328024 U CN 201320328024U CN 203309190 U CN203309190 U CN 203309190U
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- Prior art keywords
- valve
- spool
- guide sleeve
- seat
- liquid return
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- Expired - Lifetime
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Abstract
The utility model relates to a novel-structure valve core assembly of an electromagnetic pilot operated valve. The novel-structure valve core assembly comprises a guide sleeve (1), a valve core (2), a valve seat (3), a middle sleeve (4), a sealing seat (5), a liquid returning valve sleeve (6), a valve rod (7), a resetting spring and an O-shaped sealing ring. The valve core assembly provided by the utility model adopts a novel-structure sealing manner so that a plurality of problems in the actual use process of the electromagnetic pilot operated valve that the fault rate is slightly high, the sealing performance is unstable, the flow is small, the anti-pollution capacity is poor and the like can be solved to a larger extent; the novel structure design meets the requirements of an underground working surface on the electromagnetic pilot operated valve under a severe environment.
Description
Technical field
The utility model belongs to the electromagnetic priority valve field, is specifically related to a kind of electromagnetic priority valve mangetic core assembly of new structure.
Background technique
The development of mine hydraulic bracket electrohydraulic control system and being widely used, in the In Modern Mine exploitation, play vital effect, electrichydraulic control selector valve group electromagnetic priority valve in electrohydraulic control system, because requirement on machining accuracy is high, the poor energy of contamination resistance reason, causing in the middle of actual using process rate of fault relatively higher, is restriction electrohydraulic control system extensive one of the main reasons of promotion and application in the Modern coal mines exploitation.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of electromagnetic priority valve mangetic core assembly of new structure, the utility model can solve the highi degree of accuracy processing request of existing electromagnetic priority valve, and in the actual using process of mining face under mine the problems such as contamination resistance is poor, sealability is unstable, flow is little.
The technical solution of the utility model: a kind of electromagnetic priority valve mangetic core assembly of new structure, it comprises guide sleeve 1, spool 2, valve seat 3, middle cover 4, sealing seat 5, liquid return valve jacket 6, valve rod 7, return spring and O-ring seals, guide sleeve 1 inside is provided with cavity, guide sleeve 1 right-hand member is provided with P mouth passage, the groove in guide sleeve 1 neutral position is provided with O-ring seals, spool 2 is arranged in the cavity of guide sleeve 1 inside, guide sleeve 1 cavity bottom and spool 2 left ends are provided with return spring, are provided with O-ring seals between spool 2 and guide sleeve 1 cavity internal surface; Valve seat 3 is arranged on guide sleeve 1 right-hand member, middle cover 4 is arranged on valve seat 3 right-hand members, middle cover 4 left ends are provided with A(B) mouthful passage, in the middle of valve seat 3 and middle cover 4, it is through hole, spool 2 right parts are arranged on valve seat 3 and middle cover 4 through hole inside, are provided with O-ring seals between spool 2 right-hand members and middle cover 4 through hole inside; Liquid return valve jacket 6 is arranged on middle cover 4 right-hand members, liquid return valve jacket 6 inside are through hole, liquid return valve jacket 6 left ends are provided with R mouth passage, valve rod 7 left ends are arranged on liquid return valve jacket 6 inside, valve rod 7 right-hand members stretch out in liquid return valve jacket 6 outsides, between valve rod 7 left ends and liquid return valve jacket 6 bottoms, be provided with sealing seat 5, be provided with O-ring seals between valve rod 7 and liquid return valve jacket 6 through hole inside, valve rod 7 right-hand member outer grooves are provided with O-ring seals.
Between described spool 2 and valve seat 3, spool 2 and sealing seat 3, the taper soft sealing structure that the opening increase increases the flow of electromagnetic priority valve is adopted in sealing.
The material application high molecular polymer of described valve seat 3 and sealing seat 3.
The beneficial effects of the utility model:
1, the utility model electromagnetic priority valve mangetic core assembly is new structure, can above reduce largely the fault of the pilot valve caused due to reasons such as emulsified liquid pollutions, to meet the performance requirement of mining face under mine rugged environment to electromagnetic priority valve.
2, the utility model electromagnetic priority valve mangetic core assembly, adopt same outer diameter as with electromagnetic pilot valve body matching part.Largely, improve process industrial art performance and the assembly performance of electromagnetic pilot valve body.
3, the utility model electromagnetic priority valve mangetic core assembly, valve seat 3, sealing seat 5 adopt macromolecule polymer material to make, and form cone seal with spool 2.This seal form, sealability is better, contamination resistance by force, not fragile.Spool 2 is larger with the seal ring that valve seat 3 forms, and the flow of electromagnetic priority valve increases.
4, the utility model electromagnetic priority valve mangetic core assembly, spool 2, sealing seat 5, valve rod 7 all are designed with equalizing orifice ，Ye road and are equilibrated at mangetic core assembly inside and complete, and can reduce auxiliary hole and the plug of electromagnetic pilot valve body, and the liquid line structure of electromagnetic priority valve is simple.
The accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Embodiment
As shown in Figure 1, a kind of electromagnetic priority valve mangetic core assembly of new structure, it comprises guide sleeve 1, spool 2, valve seat 3, middle cover 4, sealing seat 5, liquid return valve jacket 6, valve rod 7, return spring and O-ring seals, guide sleeve 1 inside is provided with cavity, guide sleeve 1 right-hand member is provided with P mouth passage, the groove in guide sleeve 1 neutral position is provided with O-ring seals, spool 2 is arranged in the cavity of guide sleeve 1 inside, guide sleeve 1 cavity bottom and spool 2 left ends are provided with return spring, are provided with O-ring seals between spool 2 and guide sleeve 1 cavity internal surface; Valve seat 3 is arranged on guide sleeve 1 right-hand member, middle cover 4 is arranged on valve seat 3 right-hand members, middle cover 4 left ends are provided with A(B) mouthful passage, in the middle of valve seat 3 and middle cover 4, it is through hole, spool 2 right parts are arranged on valve seat 3 and middle cover 4 through hole inside, are provided with O-ring seals between spool 2 right-hand members and middle cover 4 through hole inside; Liquid return valve jacket 6 is arranged on middle cover 4 right-hand members, liquid return valve jacket 6 inside are through hole, liquid return valve jacket 6 left ends are provided with R mouth passage, valve rod 7 left ends are arranged on liquid return valve jacket 6 inside, valve rod 7 right-hand members stretch out in liquid return valve jacket 6 outsides, between valve rod 7 left ends and liquid return valve jacket 6 bottoms, be provided with sealing seat 5, be provided with O-ring seals between valve rod 7 and liquid return valve jacket 6 through hole inside, valve rod 7 right-hand member outer grooves are provided with O-ring seals.
Between described spool 2 and valve seat 3, spool 2 and sealing seat 3, the taper soft sealing structure that the opening increase increases the flow of electromagnetic priority valve is adopted in sealing.
The material application high molecular polymer of described valve seat 3 and sealing seat 3.
Job order of the present utility model is:
1, controller or electromagnetic valve driver transmitted signal, make electromagnet assembly energising in electromagnetic priority valve produce wherein pressure lever mechanism action of field drives, thereby band ovable valve stem 7 actions, at first after closing R mouth and A (B) mouthful of passage, continue to promote spool 2, spool 2 separates with valve seat 3, and P mouth and A (B) mouthful connects, now highly pressurised liquid is from A (B) mouthful of outflow, and now electromagnetic priority valve is in open mode.
2, after controller or electromagnetic valve driver stop transmitted signal, the electromagnet assembly electromagnetic force disappears, because effect lower valve core 2, the valve rod 7 of built-in spring and hydraulic coupling sets back, under the effect of spool 2, valve seat 3, airtight, the A (B) of P mouth mouthful communicates with the R mouth, and now electromagnetic priority valve is in meta.
Claims (3)
1. the electromagnetic priority valve mangetic core assembly of a new structure, it comprises guide sleeve (1), spool (2), valve seat (3), middle cover (4), sealing seat (5), liquid return valve jacket (6), valve rod (7), return spring and O-ring seals, it is characterized in that guide sleeve (1) inside is provided with cavity, guide sleeve (1) right-hand member is provided with P mouth passage, the groove in guide sleeve (1) neutral position is provided with O-ring seals, spool (2) is arranged in the inner cavity of guide sleeve (1), guide sleeve (1) cavity bottom and spool (2) left end are provided with return spring, between spool (2) and guide sleeve (1) cavity internal surface, be provided with O-ring seals, valve seat (3) is arranged on guide sleeve (1) right-hand member, middle cover (4) is arranged on valve seat (3) right-hand member, middle cover (4) left end is provided with A(B) mouthful passage, in the middle of valve seat (3) and middle cover (4), it is through hole, spool (2) right part is arranged on valve seat (3) and middle cover (4) through hole inside, is provided with O-ring seals between spool (2) right-hand member and middle cover (4) through hole inside, liquid return valve jacket (6) is arranged on middle cover (4) right-hand member, liquid return valve jacket (6) inside is through hole, liquid return valve jacket (6) left end is provided with R mouth passage, valve rod (7) left end is arranged on liquid return valve jacket (6) inside, valve rod (7) right-hand member stretches out in liquid return valve jacket (6) outside, between valve rod (7) left end and liquid return valve jacket (6) bottom, be provided with sealing seat (5), between valve rod (7) and liquid return valve jacket (6) through hole inside, be provided with O-ring seals, valve rod (7) right-hand member outer grooves is provided with O-ring seals.
2. the electromagnetic priority valve mangetic core assembly of a kind of new structure according to claim 1, is characterized in that the taper soft sealing structure that between spool (2) and valve seat (3), spool (2) and sealing seat (3), sealing adopts the opening increase that the flow of electromagnetic priority valve is increased.
3. the electromagnetic priority valve mangetic core assembly of a kind of new structure according to claim 1, is characterized in that the material application high molecular polymer of valve seat (3) and sealing seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203280240U CN203309190U (en) | 2013-06-08 | 2013-06-08 | Novel-structure valve core assembly of electromagnetic pilot operated valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203280240U CN203309190U (en) | 2013-06-08 | 2013-06-08 | Novel-structure valve core assembly of electromagnetic pilot operated valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203309190U true CN203309190U (en) | 2013-11-27 |
Family
ID=49615403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203280240U Expired - Lifetime CN203309190U (en) | 2013-06-08 | 2013-06-08 | Novel-structure valve core assembly of electromagnetic pilot operated valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203309190U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105194A (en) * | 2017-12-29 | 2018-06-01 | 联合汽车电子有限公司 | A kind of valve member and solenoid valve |
-
2013
- 2013-06-08 CN CN2013203280240U patent/CN203309190U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105194A (en) * | 2017-12-29 | 2018-06-01 | 联合汽车电子有限公司 | A kind of valve member and solenoid valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |
|
| CX01 | Expiry of patent term |