CN113294553A - Full-unloading disc type magnetic pole large-drift-diameter two-position three-way electromagnetic valve - Google Patents
Full-unloading disc type magnetic pole large-drift-diameter two-position three-way electromagnetic valve Download PDFInfo
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- CN113294553A CN113294553A CN202110559200.0A CN202110559200A CN113294553A CN 113294553 A CN113294553 A CN 113294553A CN 202110559200 A CN202110559200 A CN 202110559200A CN 113294553 A CN113294553 A CN 113294553A
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- 238000007789 sealing Methods 0.000 claims description 27
- 230000005389 magnetism Effects 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 3
- 210000000664 rectum Anatomy 0.000 claims 1
- 230000004044 response Effects 0.000 abstract description 10
- 230000007547 defect Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0263—Construction of housing; Use of materials therefor of lift valves 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated 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
- F16K31/0624—Lift valves
- F16K31/0627—Lift valves with movable valve member positioned between seats
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention relates to a two-position three-way electromagnetic valve, in particular to a full-unloading disc type magnetic pole large-drift-diameter two-position three-way electromagnetic valve which is used for solving the defects that when the existing two-position three-way electromagnetic valve is designed without unloading large drift diameter, the opening and closing response is slow, the structural size and the weight are large, the air inlet and exhaust channel capacity is further limited, and the response performance of a large-thrust engine of more than 3000N is influenced. The full-unloading disc type magnetic pole large-drift-diameter two-position three-way electromagnetic valve comprises a valve body, an electromagnetic shell, an outer lining ring, an inner lining ring, an exhaust valve seat, an air inlet valve seat, a valve core rod, a reset spring, a magnetic disc and a coil.
Description
Technical Field
The invention relates to a two-position three-way electromagnetic valve, in particular to a full-unloading disc type magnetic pole large-drift-diameter two-position three-way electromagnetic valve.
Background
In a fast response high thrust rail control engine, a system sometimes requires that a control valve should meet the requirements of a large flow and high pressure working condition of a high thrust engine with more than 3000N, and meanwhile, the performances of fast opening and closing response, light structure, low valve flow resistance loss and the like should be realized. In order to meet the scheme, an electric air valve structure consisting of a two-position three-way electromagnetic auxiliary valve and a two-position two-way air control main valve is generally adopted, wherein the electromagnetic auxiliary valve controls the on-off reversing of air, the inflation pressure building and the exhaust pressure relief control of a control cavity of the main valve are realized, and the opening and closing control of the main valve is realized by utilizing the change of the air pressure of the control cavity.
Because the air pressure of a system control cavity is high, when the traditional unloading-free two-position three-way electromagnetic auxiliary valve is designed with a large drift diameter, the action and circulation requirements can be met only by large electromagnetic attraction force and an electromagnet structure, the designed electromagnetic auxiliary valve is slow in opening and closing response, and large in structural size and weight, so that the capacity of an air inlet and exhaust channel is limited, the air charging and discharging speed of a main valve and the opening and closing speed of a pneumatic control propellant main valve are influenced, and further the response performance of a large-thrust engine with the thrust force of more than 3000N is influenced.
Disclosure of Invention
The invention aims to solve the defects that when the existing two-position three-way electromagnetic valve is designed to have no unloading large drift diameter, the opening and closing response is slow, the structure size and the weight are large, the air inlet and exhaust channel capacity is further limited, and the response performance of a large-thrust engine with more than 3000N is influenced, and provides the full-unloading disc type magnetic pole large-drift diameter two-position three-way electromagnetic valve.
In order to solve the defects of the prior art, the invention provides the following technical solutions:
a full-unloading disc type magnetic pole large-drift-diameter two-position three-way electromagnetic valve is characterized in that: the electromagnetic valve comprises a valve body, an electromagnetic shell, an outer lining ring, an inner lining ring, an exhaust valve seat, an air inlet valve seat, a valve core rod, a return spring, a magnetic disc and a coil;
the valve body is in butt joint with the electromagnetic shell to form a first chamber, an outer lining ring is arranged in the first chamber, a second chamber is formed between the outer lining ring and the valve body, and a third chamber is formed between the outer lining ring and the electromagnetic shell;
the second chamber is internally provided with a lining ring, the inner wall of the lining ring is radially provided with an annular convex exhaust valve seat, and the inside of the valve body is provided with an annular convex air inlet valve seat at a position corresponding to the exhaust valve seat;
the coil is arranged on the electromagnetic shell; the magnetic disk is positioned in the third chamber and corresponds to the coil, and a gap is reserved between the outer wall of the magnetic disk and the inner wall of the electromagnetic shell; the reset spring is arranged in a blind hole on the electromagnetic shell, and the open end of the blind hole is communicated with the third chamber;
the valve core rod comprises a guide section, a connecting section and a valve core which are arranged in sequence; one end of the guide section is connected with the reset spring, the side wall of the other end of the guide section is tightly attached to the inner side of the outer lining ring, and the magnetic disc is fixedly embedded in the guide section; a gap is kept between the connecting section and the inner lining ring; the valve core is positioned in an exhaust cavity formed among the exhaust valve seat, the air inlet valve seat and the inner wall of the lining ring, a gap is reserved between the outer wall of the valve core and the inner wall of the lining ring, an exhaust end sealing surface is formed when the valve core is contacted with the exhaust valve seat, and an air inlet end sealing surface is formed when the valve core is contacted with the air inlet valve seat;
the outer diameter c of the guide section, the inner diameter b of the exhaust valve seat and the inner diameter a of the air inlet valve seat are the same;
the pneumatic control valve is characterized in that an air inlet, an air outlet and an air outlet are formed in the outer surface of the valve body, an air inlet flow passage is formed in the valve body, the air inlet is communicated with an air vent arranged between air inlet valve seats through the air inlet flow passage and is connected with an external control air source, the inner end of the air outlet is communicated with an exhaust cavity, the outer end of the air outlet is connected with a piston cavity of a pneumatic control main valve, and the air outlet is communicated with a second cavity through an exhaust flow passage arranged in the valve body and an outer lining ring.
Further, the third chamber is communicated with the air inlet through an air inlet flow passage arranged in the valve body and the outer liner ring.
Furthermore, a magnetism isolating ring is arranged between the magnetic disk and the coil.
Furthermore, sealing rings are arranged at the contact positions of the valve core and the exhaust valve seat and the air inlet valve seat; and a sealing ring is arranged at the joint of the inner side of the outer lining ring and the guide section.
Furthermore, sealing rings are arranged on the contact surfaces of the outer side of the outer lining ring, the electromagnetic shell and the valve body; and sealing rings are arranged on the contact surfaces of the inner lining ring, the outer lining ring and the valve body.
Furthermore, the exhaust valve seat and the intake valve seat are respectively provided with an annular flange at the contact position corresponding to the valve core, the exhaust end sealing surface is formed when the valve core is contacted with the exhaust valve seat through the annular flanges, and the intake end sealing surface is formed when the valve core is contacted with the intake valve seat.
Compared with the prior art, the invention has the beneficial effects that:
(1) the outer diameter c of the guide section, the inner diameter b of the exhaust valve seat and the inner diameter a of the air inlet valve seat are equal, and no matter the valve core rod is in an open state or a closed state, the axial force of gas on the valve core rod can be mutually counteracted, so that the effect of high-pressure gas on the valve core rod is eliminated, the purpose of pressure unloading is achieved, the large-diameter valve can be driven to be opened and closed by adopting smaller electromagnetic attraction force and spring force, and the small-size light-weight design of an electromagnet structure and a spring structure is realized.
(2) The integrated design of the valve core rod and the magnetic disc reduces the size of a space structure and improves the magnetic efficiency.
(3) The invention combines the disc type magnetic pole electromagnet and the full-unloading large-drift-diameter reversing valve, so that the invention has the advantages of high applicable pressure, large flow capacity, quick response of opening and closing, light structural mass and suitability for a high-thrust engine.
Drawings
Fig. 1 is a schematic cross-sectional structure of an embodiment of the present invention.
The reference numerals are explained below: 1-a valve body; 2-an electromagnetic housing; 3-an outer liner ring; 4-inner lining ring; 5-exhaust valve seat; 6-an air inlet valve seat; 7-valve core rod, 71-guide section, 72-connecting section, 73-valve core; 8-a return spring; 9-a magnetic disk; 10-a coil; 11-a magnetism isolating ring; 12-an air inlet; 13-air outlet; 14-exhaust port.
Detailed Description
The invention will be further described with reference to the drawings and exemplary embodiments.
Referring to fig. 1, the invention provides a full-unloading disc type magnetic pole large-drift-diameter two-position three-way electromagnetic valve, which comprises a valve body 1, an electromagnetic shell 2, an outer lining ring 3, an inner lining ring 4, an exhaust valve seat 5, an air inlet valve seat 6, a valve core rod 7, a return spring 8, a magnetic disc 9 and a coil 10; the valve body 1 is in butt joint with the electromagnetic shell 2 to form a first chamber, an outer lining ring 3 is arranged in the first chamber, a second chamber is formed between the outer lining ring 3 and the valve body 1, and a third chamber is formed between the outer lining ring 3 and the electromagnetic shell 2; an inner lining ring 4 is arranged in the second chamber, an annular convex exhaust valve seat 5 is arranged on the inner wall of the inner lining ring 4 along the radial direction, and an annular convex air inlet valve seat 6 is arranged in the valve body 1 at a position corresponding to the exhaust valve seat 5.
The coil 10 is arranged on the electromagnetic shell 2; the magnetic disk 9 is positioned in the third chamber and corresponds to the coil 10, and a gap is reserved between the outer wall of the magnetic disk 9 and the inner wall of the electromagnetic shell 2; a magnetism isolating ring 11 is arranged between the coil 10 and the magnetic disk 9; the reset spring 8 is arranged in a blind hole on the electromagnetic shell 2, and the open end of the blind hole is communicated with the third chamber.
The valve core rod 7 comprises a guide section 71, a connecting section 72 and a valve core 73 which are arranged in sequence; one end of the guide section 71 is connected with the reset spring 8, the side wall of the other end of the guide section is tightly attached to the inner side of the outer lining ring 3, a sealing ring is arranged at the attachment position, and the magnetic disc 9 is fixedly embedded in the guide section 71; a gap is kept between the connecting section 72 and the inner lining ring 4; the valve core 73 is positioned in an exhaust cavity formed among the exhaust valve seat 5, the air inlet valve seat 6 and the inner wall of the lining ring 4, a gap is reserved between the outer wall of the valve core 73 and the inner wall of the lining ring 4, an exhaust end sealing surface is formed when the valve core 73 is contacted with the exhaust valve seat 5, and an air inlet end sealing surface is formed when the valve core 73 is contacted with the air inlet valve seat 6; in order to ensure the sealing performance of the exhaust end sealing surface and the intake end sealing surface, annular flanges are arranged at the contact positions of the exhaust valve seat 5 and the intake valve seat 6 corresponding to the valve core 73, and sealing rings are arranged at the contact positions of the valve core 73 and the exhaust valve seat 5 and the intake valve seat 6.
The outer diameter c of the guide section 71, the inner diameter b of the exhaust valve seat 5 and the inner diameter a of the intake valve seat 6 are the same.
The outer surface of the valve body 1 is provided with a radial air inlet 12, a radial air outlet 14 and an axial air outlet 13; an air inlet flow channel is arranged inside the valve body 1, the air inlet 12 is communicated with a vent hole arranged between the air inlet valve seats 6 through the air inlet flow channel, the air inlet 12 is connected with an external control air source, and the air outlet 14 is communicated with the second chamber through an air outlet flow channel arranged in the valve body 1 and the outer lining ring 3 and is connected with the external atmosphere; the inner end of the air outlet 13 is communicated with the exhaust chamber, and the outer end of the air outlet is connected with the piston cavity of the pneumatic control main valve.
The valve core rod 7 has two positions of closing and opening. When the coil 10 is not electrified, the valve core rod 7 is in a closed state under the action of the return spring 8, at the moment, the valve core 73 of the valve core rod is in contact with the air inlet valve seat 6 to form an air inlet end sealing surface, a gap is kept between the valve core 73 and the air exhaust valve seat 5, the air outlet 13 is communicated with the air outlet 14, and the valve core rod 7 is in a closed state; when the coil 10 is electrified, electromagnetic suction force is generated between the coil 10 and the magnetic disc 9, the acting force of the reset spring 8 is overcome, the valve core rod 7 moves axially until the valve core 73 is contacted with the exhaust valve seat 5 to form an exhaust end sealing surface, a gap is kept between the valve core 73 and the air inlet valve seat 6, the air inlet 12 is communicated with the air outlet 13, the valve core rod 7 is in an open state, and the piston cavity of the downstream external pneumatic control main valve is inflated to build pressure; when the coil 10 is powered off, the electromagnetic suction force disappears, the valve core rod 7 moves to a closed state under the action of the return spring 8, the exhaust port 14 is communicated with the air outlet 13, and the piston cavity of the downstream external pneumatic control main valve is deflated and decompressed.
The air inlet flow channel comprises a radial flow channel and an axial flow channel, the radial flow channel is arranged inside the valve body 1 and the axial flow channel is arranged inside the valve body 1 and the outer lining ring 3, and the third chamber is communicated with the air inlet 12 through the air inlet flow channel arranged inside the valve body 1 and the outer lining ring 3; the gas of the external control gas source flows in from the gas inlet 12, and because the side wall of the guide section 71 is tightly attached to the inner side of the outer liner ring 3, the gas of the axial flow passage does not flow to the second chamber.
When the valve core rod 7 is in a closed state, a gap is reserved between the magnetic disc 9 and the magnetism isolating ring 11, gas in an axial flow channel can flow through the magnetic disc 9 along the axial direction of the valve core rod 7 and finally flows to the reset spring 8, the valve core rod 7 is subjected to axial force on a sealing surface at the air inlet end, and meanwhile, the valve core rod 7 is subjected to force in the opposite directions of the reset spring 8 and the magnetic disc 9; when the valve core rod 7 is in an open state, no gap exists between the magnetic disk 9 and the magnetism isolating ring 11, gas in the axial flow channel finally flows to the magnetic disk 9 along the axial direction of the valve core rod 7, the sealing surface of the exhaust end of the valve core rod 7 is subjected to axial force, and meanwhile, the valve core rod 7 is subjected to force in the opposite direction of the reset spring 8 and the magnetic disk 9.
According to the invention, the outer diameter c of the guide section 71, the inner diameter b of the exhaust valve seat 5 and the inner diameter a of the air inlet valve seat 6 are designed to be equal in size, so that the axial force of gas on the valve core rod 7 can be mutually counteracted no matter the valve core rod 7 is in an open state or a closed state, and the purpose of pressure unloading is achieved, so that the action of high-pressure gas on the valve core rod 7 is eliminated, the large-diameter valve can be driven to be opened and closed by adopting smaller electromagnetic attraction force and spring force, and the small-size and light-weight design of an electromagnet structure and a spring structure is realized.
Furthermore, the valve core rod 7 and the magnetic disk 9 are integrally assembled and fixed into a whole, and the electromagnetic armature is attracted when the valve core rod 7 and the magnetic disk 9 are matched for use, and the integrated design of the valve core rod 7 and the magnetic disk 9 not only reduces the space structure size, but also improves the magnetic efficiency.
The invention combines the disc magnetic pole electromagnet and the full-unloading large-drift-diameter reversing valve, so that the electromagnetic valve has high applicable pressure, large flow capacity, quick response of opening and closing, light structural mass and suitability for a high-thrust engine.
The above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and it is obvious for a person skilled in the art to modify the specific technical solutions described in the foregoing embodiments or to substitute part of the technical features, and these modifications or substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions protected by the present invention.
Claims (6)
1. The utility model provides a two tee bend solenoid valves of big latus rectum of full off-load disk magnetic pole which characterized in that: the electromagnetic valve comprises a valve body (1), an electromagnetic shell (2), an outer lining ring (3), an inner lining ring (4), an exhaust valve seat (5), an air inlet valve seat (6), a valve core rod (7), a return spring (8), a magnetic disk (9) and a coil (10);
the electromagnetic valve is characterized in that the valve body (1) is in butt joint with the electromagnetic shell (2) to form a first chamber, an outer lining ring (3) is arranged in the first chamber, a second chamber is formed between the outer lining ring (3) and the valve body (1), and a third chamber is formed between the outer lining ring (3) and the electromagnetic shell (1);
an inner lining ring (4) is arranged in the second chamber, an annular convex exhaust valve seat (5) is arranged on the inner wall of the inner lining ring (4) along the radial direction, and an annular convex air inlet valve seat (6) is arranged in the valve body (1) at a position corresponding to the exhaust valve seat (5);
the coil (10) is arranged on the electromagnetic shell (2); the magnetic disk (9) is positioned in the third chamber and corresponds to the coil (10), and a gap is reserved between the outer wall of the magnetic disk (9) and the inner wall of the electromagnetic shell (2); the reset spring (8) is arranged in a blind hole in the electromagnetic shell (2), and the open end of the blind hole is communicated with the third chamber;
the valve core rod (7) comprises a guide section (71), a connecting section (72) and a valve core (73) which are arranged in sequence; one end of the guide section (71) is connected with the reset spring (8), the side wall of the other end of the guide section is tightly attached to the inner side of the outer lining ring (3), and the magnetic disc (9) is fixedly embedded in the guide section (71); a gap is kept between the connecting section (72) and the lining ring (4); the valve core (73) is positioned in an exhaust cavity formed among the exhaust valve seat (5), the air inlet valve seat (6) and the inner wall of the lining ring (4), a gap is reserved between the outer wall of the valve core (73) and the inner wall of the lining ring (4), an exhaust end sealing surface is formed when the valve core (73) is contacted with the exhaust valve seat (5), and an air inlet end sealing surface is formed when the valve core (73) is contacted with the air inlet valve seat (6);
the outer diameter c of the guide section (71), the inner diameter b of the exhaust valve seat (5) and the inner diameter a of the air inlet valve seat (6) are the same;
be equipped with air inlet (12), gas outlet (13) and gas vent (14) on valve body (1) surface, the inside air inlet channel that is equipped with of valve body (1), air inlet (12) are through air inlet channel and the air vent intercommunication of setting between air inlet valve seat (6) to air inlet (12) are connected with the external control air supply, the inner and logical exhaust chamber intercommunication of gas outlet (13), the outer end is connected with the piston chamber of pneumatic control main valve, gas vent (14) are through setting up exhaust channel and the second chamber intercommunication in valve body (1), outer backing ring (3).
2. The full-unloading disc type magnetic pole large-drift-diameter two-position three-way electromagnetic valve according to claim 1, is characterized in that: the third chamber is communicated with the air inlet (12) through an air inlet flow channel arranged in the valve body (1) and the outer lining ring (3).
3. The full-unloading disc type magnetic pole large-drift-diameter two-position three-way electromagnetic valve according to claim 1 or 2, is characterized in that: and a magnetism isolating ring (11) is arranged between the magnetic disk (9) and the coil (10).
4. The full-unloading disc type magnetic pole large-drift-diameter two-position three-way electromagnetic valve according to claim 2, is characterized in that: sealing rings are arranged at the contact positions of the valve core (73) and the exhaust valve seat (5) and the air inlet valve seat (6); and a sealing ring is arranged at the joint of the inner side of the outer lining ring (3) and the guide section (71).
5. The full-unloading disc type magnetic pole large-drift-diameter two-position three-way electromagnetic valve according to claim 4, is characterized in that: sealing rings are arranged on the contact surfaces of the outer side of the outer lining ring (3) and the electromagnetic shell (2) and the valve body (1); and sealing rings are arranged on the contact surfaces of the inner lining ring (4), the outer lining ring (3) and the valve body (1).
6. The full-unloading disc type magnetic pole large-drift-diameter two-position three-way electromagnetic valve according to claim 1, is characterized in that: the exhaust valve seat (5) and the intake valve seat (6) are respectively provided with an annular flange at the contact position corresponding to the valve core (73), the exhaust end sealing surface is formed when the valve core (73) is contacted with the exhaust valve seat (5) through the annular flanges, and the intake end sealing surface is formed when the valve core (73) is contacted with the intake valve seat (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110559200.0A CN113294553A (en) | 2021-05-21 | 2021-05-21 | Full-unloading disc type magnetic pole large-drift-diameter two-position three-way electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110559200.0A CN113294553A (en) | 2021-05-21 | 2021-05-21 | Full-unloading disc type magnetic pole large-drift-diameter two-position three-way electromagnetic valve |
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| Publication Number | Publication Date |
|---|---|
| CN113294553A true CN113294553A (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110559200.0A Pending CN113294553A (en) | 2021-05-21 | 2021-05-21 | Full-unloading disc type magnetic pole large-drift-diameter two-position three-way electromagnetic valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN113294553A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757439A (en) * | 2021-09-17 | 2021-12-07 | 西安航天动力研究所 | Plug-in type high-pressure unloading electromagnetic valve |
| CN117090926A (en) * | 2023-10-19 | 2023-11-21 | 北京少仕科技有限公司 | Two-position three-way electromagnetic valve for vehicle transmission device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06272773A (en) * | 1993-03-19 | 1994-09-27 | Harmo Soken:Kk | Fluid change-over valve |
| GB2311359A (en) * | 1996-03-23 | 1997-09-24 | Lucas Ind Plc | Valve |
| CN104455652A (en) * | 2014-10-28 | 2015-03-25 | 上海空间推进研究所 | Unloading type electromagnetic valve |
| CN106051215A (en) * | 2016-08-01 | 2016-10-26 | 无锡隆盛科技股份有限公司 | Three-way electromagnetic water valve |
| CN210920202U (en) * | 2019-05-31 | 2020-07-03 | 余姚市三力信电磁阀有限公司 | Pressure balance type two-position three-way electromagnetic valve |
-
2021
- 2021-05-21 CN CN202110559200.0A patent/CN113294553A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06272773A (en) * | 1993-03-19 | 1994-09-27 | Harmo Soken:Kk | Fluid change-over valve |
| GB2311359A (en) * | 1996-03-23 | 1997-09-24 | Lucas Ind Plc | Valve |
| CN104455652A (en) * | 2014-10-28 | 2015-03-25 | 上海空间推进研究所 | Unloading type electromagnetic valve |
| CN106051215A (en) * | 2016-08-01 | 2016-10-26 | 无锡隆盛科技股份有限公司 | Three-way electromagnetic water valve |
| CN210920202U (en) * | 2019-05-31 | 2020-07-03 | 余姚市三力信电磁阀有限公司 | Pressure balance type two-position three-way electromagnetic valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757439A (en) * | 2021-09-17 | 2021-12-07 | 西安航天动力研究所 | Plug-in type high-pressure unloading electromagnetic valve |
| CN113757439B (en) * | 2021-09-17 | 2023-06-27 | 西安航天动力研究所 | Plug-in mounting type high-pressure unloading electromagnetic valve |
| CN117090926A (en) * | 2023-10-19 | 2023-11-21 | 北京少仕科技有限公司 | Two-position three-way electromagnetic valve for vehicle transmission device |
| CN117090926B (en) * | 2023-10-19 | 2024-01-19 | 北京少仕科技有限公司 | Two-position three-way electromagnetic valve for vehicle transmission device |
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Application publication date: 20210824 |
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| RJ01 | Rejection of invention patent application after publication |