CN108708994B - Pneumatic control double-way electromagnetic valve - Google Patents
Pneumatic control double-way electromagnetic valve Download PDFInfo
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- CN108708994B CN108708994B CN201810641975.0A CN201810641975A CN108708994B CN 108708994 B CN108708994 B CN 108708994B CN 201810641975 A CN201810641975 A CN 201810641975A CN 108708994 B CN108708994 B CN 108708994B
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- valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/22—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a pneumatic control two-way electromagnetic valve which comprises a valve body, a valve core assembly, a piston, a cushion pad, a valve seat, a spring, a gland, a filter, a screw cap and an electromagnetic pilot valve, wherein the valve body is provided with a valve core assembly; by controlling the electromagnetic pilot valve to be opened, the control gas enters the piston to drive the valve core assembly to be opened, and the liquid medium flows out from the valve seat; and controlling the electromagnetic pilot valve to be closed, controlling the air to flow out from the piston, closing the valve core component driven by the spring, and stopping the liquid medium from flowing out from the valve seat. The invention has the characteristics of compact structure, one-electric double-acting, quick response, active cooling and the like, can be widely applied to the industries of electromagnetic valves, industrial control and the like, is suitable for electromagnetic valves for strong oxidants and strong corrosive fuels, and is particularly suitable for supplying oxidants and fuels of liquid engines in national defense.
Description
Technical Field
The invention relates to the technical field of electromagnetic valves, in particular to a pneumatic control two-way electromagnetic valve suitable for media such as strong oxidant, strong corrosive fuel and the like of a liquid engine.
Background
In the industry of electromagnetic valves for liquid engines, the electromagnetic valves have complex structures and cannot be disassembled for repair; meanwhile, the electromagnetic valve in the prior art has the technical problems that the structure is compact, one electric double acting is realized, the response is quick, and the active cooling cannot be realized.
Disclosure of Invention
Aiming at the defects in the problems, the invention provides a pneumatic control two-way electromagnetic valve.
In order to achieve the purpose, the invention provides a pneumatic control two-way electromagnetic valve which comprises a valve body, a valve core assembly, a piston, a valve seat, a spring, a gland, a filter, a screw cap and an electromagnetic pilot valve, wherein the valve body is provided with a valve core assembly;
the valve body is of a symmetrical structure, two I-shaped vertical step holes and two cylindrical holes which are normal to the vertical step holes are sequentially designed from the middle to the two ends of the valve body, the valve core assembly is assembled in a small hole at the middle end of the vertical step hole in a matched mode, the lower end of the valve core assembly is pressed and sealed with a valve seat fixed on the valve body, the upper end of the valve core assembly is in threaded connection with the piston, and the piston is pre-tightened through a gland pressing spring installed on the valve body; a filter is arranged in the cylindrical hole and is sealed in the cylindrical hole through a screw cap;
an inlet of a liquid medium is formed in the valve body, the inlet is communicated with the cylindrical hole, and a communicated special-shaped through hole is formed between the cylindrical hole and the large hole at the lower end of the vertical stepped hole;
the valve body is provided with a D-shaped hole used for installing an electromagnetic pilot valve, the D-shaped hole is respectively perpendicular to the vertical step hole and the cylindrical hole, a control air inlet channel is arranged between the valve body and the D-shaped hole, the cylindrical surface of the D-shaped hole is provided with two symmetrical inclined holes, and the inclined holes enter the piston to drive the valve element assembly to be opened.
As a further improvement of the invention, by controlling the electromagnetic pilot valve to be opened, control gas enters the piston driving valve core assembly through the gas inlet channel and the inclined hole to be opened, and liquid medium flows out of the valve seat after passing through the inlet, the cylindrical hole, the special-shaped through hole and the large hole at the lower end of the vertical stepped hole; and controlling the electromagnetic pilot valve to be closed, controlling the air to flow out from the piston, closing the valve core component driven by the spring, and stopping the liquid medium from flowing out from the valve seat.
As a further improvement of the invention, a small hole at the middle end of the vertical stepped hole and the valve core assembly are sealed by adopting an O-shaped ring adaptive to a liquid medium.
As a further development of the invention, the valve seat is fixed to the valve body by a flange connection.
As a further development of the invention, the upper end face of the piston is fitted with a cushion pad.
As a further improvement of the invention, the electromagnetic pilot valve is a two-position three-way electromagnetic valve.
Compared with the prior art, the invention has the beneficial effects that:
the pneumatic control two-way electromagnetic valve has the characteristics of compact structure, one-electric double-acting, quick response, active cooling and the like, can be widely applied to the industries of electromagnetic valves, industrial control and the like, is suitable for electromagnetic valves for strong oxidants and strong corrosive fuels, is particularly suitable for supplying oxidants and fuels of liquid engines in national defense, and has the advantages of practical engineering application.
Drawings
Fig. 1 is a schematic structural view of a pneumatic control two-way solenoid valve disclosed in one embodiment of the invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
FIG. 4 is a schematic structural diagram of a valve body according to an embodiment of the disclosure;
fig. 5 is another schematic structural diagram of the valve body according to an embodiment of the present invention.
In the figure:
1. a valve body; 2. a valve core assembly; 3. a piston; 4. a cushion pad; 5. a valve seat; 6. a spring; 7. a gland; 8. a filter; 9. a screw cap; 10. an electromagnetic pilot valve; 11. a vertical step hole; 12. a cylindrical bore; 13. an inlet; 14. a special-shaped through hole; 15. a D-shaped hole; 16. an air intake passage; 17. and (4) inclined holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention is described in further detail below with reference to the attached drawing figures:
as shown in fig. 1-5, the invention provides a pneumatic control two-way solenoid valve, which comprises a valve body 1, a valve core assembly 2, a piston 3, a valve seat 5, a spring 6, a gland 7, a filter 8, a screw cap 9, an electromagnetic pilot valve 10, a vertical stepped hole 11, a cylindrical hole 12, an inlet 13, a special-shaped through hole 14, a D-shaped hole 15, an air inlet channel 16 and an inclined hole 17; the electromagnetic pilot valve 10 is controlled to be opened, control gas enters the piston 3 to drive the valve core assembly 2 to be opened, liquid medium flows out from the valve seat 5, the electromagnetic pilot valve 10 is controlled to be closed, the control gas flows out from the piston 3, the spring 6 drives the valve core assembly 2 to be closed, and the liquid medium stops flowing out from the valve seat 5, so that the function of a gas control double circuit is achieved. Specifically, the method comprises the following steps:
as shown in fig. 1-4, the valve body 1 of the present invention is a symmetrical structure, and two i-shaped vertical step holes 11 are sequentially designed from the middle to the two ends of the valve body 1, that is, the upper and lower ends of the vertical step holes 11 are large holes, and the middle end is a small hole; the valve body 1 of the invention is also provided with two cylindrical holes 12 which are normal to the vertical stepped hole 11, as shown in fig. 4. The valve core assembly 2 is assembled in a matching manner in a small hole at the middle end of the vertical stepped hole 11, the small hole at the middle end of the vertical stepped hole 11 and the valve core assembly 2 are sealed by adopting an O-shaped ring adaptive to a liquid medium, the valve core assembly 2 can be ensured to move up and down in the vertical stepped hole 11 in a radial direction, and a large hole at the upper end and a large hole at the lower end of the vertical stepped hole 11 are sealed; the lower end (large end) of the valve core component 2 is tightly pressed and sealed with the valve seat 5, an outlet for liquid to flow out is arranged on the valve seat 5, and the valve seat 5 is fixedly connected with the valve body 1 through a flange; the upper end (small end) of the valve core component 2 is in threaded connection with the piston 3, the piston 3 and the valve body 1 perform axial reciprocating motion in a radial sealing manner, and the piston 3 is pre-tightened by a pressing spring 6 through a pressing cover 7 arranged on the valve body 1; a filter 8 is arranged in the cylindrical hole 12 and is sealed in the cylindrical hole 12 through a screw cap 9;
as shown in fig. 4, an inlet 13 for a liquid medium is arranged on the valve body 1, the inlet 13 is communicated with the cylindrical hole 12, and a communicated special-shaped through hole 14 is arranged between the cylindrical hole 12 and the large hole at the lower end of the vertical stepped hole 11 to form a liquid medium circulation channel; the special-shaped through hole 104 can effectively improve the structural layout of the valve body 1 and reduce the quality of the valve body 1. The filter 8 is arranged in the cylindrical hole 12 of the valve body 1, so that the structural complexity is reduced, the size of the cylindrical hole 12 is suitable for reducing the mass of the valve body 1, and meanwhile, the property of a large containing cavity causes the liquid medium to take away the heat of the valve body 1, thereby being beneficial to the heat dissipation of a product during working; the upper end face of the piston 3 is provided with a cushion pad 4, so that the impact of the gland 7 on the piston 3 when the valve core assembly 2 is opened is reduced.
As shown in fig. 5, a D-shaped hole 15 for installing an electromagnetic pilot valve 10 is formed in a valve body 1 of the electromagnetic pilot valve, and the electromagnetic pilot valve 10 is a two-position three-way electromagnetic valve and has the characteristics of small volume, quick response, good sealing performance and high working reliability; the D-shaped hole 15 is respectively vertical to the vertical step hole 11 and the cylindrical hole 12, a control air inlet channel 16 is arranged between the valve body 1 and the D-shaped hole 15, two symmetrical inclined holes 17 are arranged on the cylindrical surface of the D-shaped hole 15, and the D-shaped hole enters the piston 3 through the inclined holes 17 to drive the valve core assembly 2 to be opened; the function is as follows: when the electromagnetic pilot valve 10 is opened, control gas enters the piston 3; when the electromagnetic pilot valve 10 is closed, the control gas flows out of the piston 3, so the valve body 1 has the characteristic of high integration level.
The working principle of the invention is as follows:
the control gas flows into the D-shaped hole 15 through the gas inlet channel 16, and is started through the control electromagnetic pilot valve 10, the control gas enters the piston 3 through the inclined hole 17 to drive the valve core assembly 2 to be opened, and the liquid medium flows out of the valve seat 5 through the inlet 13, the filter 8, the cylindrical hole 12 and the special-shaped through hole 14; the electromagnetic pilot valve 10 is controlled to be closed, control air flows out from the piston 3 through the inclined hole 17, the spring 6 drives the valve core assembly 2 to be closed, and the liquid medium stops flowing out from the valve seat 5.
The pneumatic control two-way electromagnetic valve has the characteristics of compact structure, one-electric double-acting, quick response, active cooling and the like, can be widely applied to the industries of electromagnetic valves, industrial control and the like, is suitable for electromagnetic valves for strong oxidants and strong corrosive fuels, is particularly suitable for supplying oxidants and fuels of liquid engines in national defense, and has the advantages of practical engineering application.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An air-control two-way electromagnetic valve is characterized by comprising a valve body (1), a valve core assembly (2), a piston (3), a valve seat (5), a spring (6), a gland (7), a filter (8), a screw cap (9) and an electromagnetic pilot valve (10);
the valve body (1) is of a symmetrical structure, two I-shaped vertical step holes (11) and two cylindrical holes (12) which are normal to the vertical step holes (11) are sequentially designed from the middle to the two ends of the valve body (1), the valve core assembly (2) is assembled in a small hole at the middle end of each vertical step hole (11) in a matched mode, the lower end of the valve core assembly (2) is tightly pressed and sealed with a valve seat (5) fixed on the valve body (1), the upper end of the valve core assembly (2) is in threaded connection with the piston (3), and the piston (3) is pre-tightened through a pressing spring (6) of a pressing cover (7) installed on the valve body (1); a filter (8) is arranged in the cylindrical hole (12) and is sealed in the cylindrical hole (12) through a screw cap (9);
an inlet (13) of a liquid medium is arranged on the valve body (1), the inlet (13) is communicated with the cylindrical hole (12), and a communicated special-shaped through hole (14) is arranged between the cylindrical hole (12) and a large hole at the lower end of the vertical stepped hole (11);
the electromagnetic pilot valve is characterized in that a D-shaped hole (15) used for installing an electromagnetic pilot valve (10) is formed in the valve body (1), the D-shaped hole (15) is perpendicular to the vertical step hole (11) and the cylindrical hole (12) respectively, a control air inlet channel (16) is arranged between the valve body (1) and the D-shaped hole (15), two symmetrical inclined holes (17) are formed in the cylindrical surface of the D-shaped hole (15), and control air enters the piston (3) through the inclined holes (17) to drive the valve core assembly (2) to be opened;
control air flows into a D-shaped hole (15) through an air inlet channel (16), and is started by controlling an electromagnetic pilot valve (10), control air flow enters a piston (3) through an inclined hole (17) to drive a valve core assembly (2) to be opened, and a liquid medium flows through an inlet (13), a filter (8), a cylindrical hole (12) and a special-shaped through hole (14) and flows out of a valve seat (5); the electromagnetic pilot valve (10) is controlled to be closed, control gas flows out from the piston (3) through the inclined hole (17), the spring (6) drives the valve core assembly (2) to be closed, and liquid medium stops flowing out from the valve seat (5).
2. The pneumatic control two-way electromagnetic valve according to claim 1, wherein a small hole at the middle end of the vertical stepped hole (11) and the valve core assembly (2) are sealed by adopting an O-shaped ring adapting to a liquid medium.
3. An air-controlled two-way solenoid valve according to claim 1, characterised in that the valve seat (5) is fixed to the valve body (1) by flange connection.
4. An air controlled two-way solenoid valve according to claim 1, characterised in that the upper end face of the piston (3) is fitted with a cushion pad (4).
5. An air controlled two-way solenoid valve according to claim 1, characterized in that the electromagnetic pilot valve (10) is a two-position three-way solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810641975.0A CN108708994B (en) | 2018-06-21 | 2018-06-21 | Pneumatic control double-way electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810641975.0A CN108708994B (en) | 2018-06-21 | 2018-06-21 | Pneumatic control double-way electromagnetic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108708994A CN108708994A (en) | 2018-10-26 |
| CN108708994B true CN108708994B (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810641975.0A Active CN108708994B (en) | 2018-06-21 | 2018-06-21 | Pneumatic control double-way electromagnetic valve |
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| Country | Link |
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| CN (1) | CN108708994B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111016954B (en) * | 2019-12-26 | 2021-03-26 | 中车株洲电力机车有限公司 | Remote release control device for brake cylinder of railway vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1396926A (en) * | 1971-06-29 | 1975-06-11 | Koppen Lethem Trading | Control device for load-independent regulation of hydraulic consumers |
| US4310023A (en) * | 1978-12-26 | 1982-01-12 | Kah Jr Carl L C | Magnetically actuated pilot valve |
| CN2625678Y (en) * | 2003-07-16 | 2004-07-14 | 单谟君 | Diaphragm electromagnetic valve |
| CN101672383A (en) * | 2008-09-08 | 2010-03-17 | 杭州神林电子有限公司 | Directly operated and pilot operated hybrid multi-connection solenoid valve |
| CN203718108U (en) * | 2014-02-20 | 2014-07-16 | 特福隆集团有限公司 | Pneumatic control operation module |
| CN204099656U (en) * | 2014-09-01 | 2015-01-14 | 南京浦镇海泰制动设备有限公司 | A kind of air operated reversing valve |
-
2018
- 2018-06-21 CN CN201810641975.0A patent/CN108708994B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1396926A (en) * | 1971-06-29 | 1975-06-11 | Koppen Lethem Trading | Control device for load-independent regulation of hydraulic consumers |
| US4310023A (en) * | 1978-12-26 | 1982-01-12 | Kah Jr Carl L C | Magnetically actuated pilot valve |
| CN2625678Y (en) * | 2003-07-16 | 2004-07-14 | 单谟君 | Diaphragm electromagnetic valve |
| CN101672383A (en) * | 2008-09-08 | 2010-03-17 | 杭州神林电子有限公司 | Directly operated and pilot operated hybrid multi-connection solenoid valve |
| CN203718108U (en) * | 2014-02-20 | 2014-07-16 | 特福隆集团有限公司 | Pneumatic control operation module |
| CN204099656U (en) * | 2014-09-01 | 2015-01-14 | 南京浦镇海泰制动设备有限公司 | A kind of air operated reversing valve |
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| Publication number | Publication date |
|---|---|
| CN108708994A (en) | 2018-10-26 |
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