CN111998095A - Novel two-position three-way electromagnetic valve - Google Patents
Novel two-position three-way electromagnetic valve Download PDFInfo
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- CN111998095A CN111998095A CN202010948420.8A CN202010948420A CN111998095A CN 111998095 A CN111998095 A CN 111998095A CN 202010948420 A CN202010948420 A CN 202010948420A CN 111998095 A CN111998095 A CN 111998095A
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- valve core
- exhaust
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- valve
- hole
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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
- 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 discloses a novel two-position three-way electromagnetic valve which comprises a lower shell and an upper shell fixedly arranged at the upper end of the lower shell; the lower shell is provided with an air inlet channel and an air outlet channel, a groove is arranged in the lower shell, and the lower shell is also provided with a first through hole communicated with the air inlet channel and the groove and a second through hole communicated with the air outlet channel and the groove; a stop iron is arranged in the upper shell, a valve core is arranged in the stop iron, the valve core is positioned above the first through hole and positioned outside the second through hole, a gas circulation groove is axially formed in the side surface of the valve core, the lower end of the valve core extends into the groove and is radially provided with a clamping part, and a spring is arranged between the clamping part and the stop iron; a magnetism isolating ring is arranged at the upper end of the iron block on the outer side of the valve core, and a coil is arranged around the outer sides of the iron block and the magnetism isolating ring; an exhaust end is arranged above the valve core, and an exhaust channel is arranged at the center of the exhaust end along the axial direction; the spring of the valve core is arranged at the non-working air gap, so that the suction area of the valve core is prevented from being lost, and the whole weight of the electromagnetic valve is favorably reduced.
Description
Technical Field
The invention belongs to the technical field of electromagnetic valves, and particularly relates to a novel two-position three-way electromagnetic valve.
Background
The solenoid valve is an automatic basic element for controlling the moving direction of a medium, is generally applied to mechanical control and industrial valves, and can control the flow of the medium, wherein a two-position three-way solenoid valve is one of the solenoid valves, and the medium has two moving modes and three moving channels in the two-position three-way solenoid valve.
The two-position three-way electromagnetic valve can provide control gas for a gas actuating valve and an exhaust passage for the control gas, the traditional two-position three-way electromagnetic valve generally has two structures of a split type and an integral type, the split type two-position three-way electromagnetic valve generally comprises an upper valve and a lower valve, the valves are linked with an iron core through ejector rods, and the parts sealed with the valves are integrated on a shell, so that the processing difficulty is high, and the structure is complex; the integral two-position three-way electromagnetic valve integrates the iron core and the valve, realizes the functions of power-on suction and sealing, and simplifies the product structure, but in the layout of the circulation channel, the inlet gas generally enters the outlet through the flow channel of the electromagnet part and then the flow channel on the shell, and the problem of unsmooth connection between the two channels can be caused; meanwhile, springs of the valve core inside the existing electromagnetic valve are uniformly arranged at a working air gap, and spring holes are required to be processed at the working air gap, so that the suction area of the valve core is reduced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a novel two-position three-way electromagnetic valve which is simple to assemble and convenient to install, avoids reducing the suction area of a valve core due to the fact that a spring hole is processed at a working air gap, and is beneficial to reducing the overall weight of the electromagnetic valve.
In order to solve the technical problem, the invention provides a novel two-position three-way electromagnetic valve which comprises a lower shell and an upper shell fixedly arranged at the upper end of the lower shell
The lower shell is provided with an air inlet channel and an air outlet channel, a groove is formed in the lower shell, and the lower shell is also provided with a first through hole used for communicating the air inlet channel with the groove and a second through hole used for communicating the air outlet channel with the groove;
a circle of stop iron is arranged in the upper shell, a valve core is arranged in the stop iron, the valve core is positioned above the first through hole and positioned outside the second through hole, a gas circulation groove is axially formed in the side surface of the valve core, the lower end of the valve core extends into the groove and is radially provided with a clamping part, and a spring is arranged between the clamping part and the stop iron;
a magnetism isolating ring is arranged on the side surface of the valve core and positioned at the upper end of the stop iron in a surrounding manner, and coils are arranged on the outer sides of the stop iron and the magnetism isolating ring in a surrounding manner;
an exhaust end is arranged above the valve core, an exhaust channel is axially arranged at the center of the exhaust end, and the lower part of the exhaust end is arranged in the magnetic isolation ring.
Furthermore, a first sealing block is arranged at the position, corresponding to the first through hole, of the bottom end of the valve core.
Furthermore, a second sealing block is arranged at the position, corresponding to the exhaust channel, of the top end of the valve core.
Further, the lower part of case is radius platform type structure, joint portion locates the lower extreme of radius platform structure, the spring is conical coil spring.
Furthermore, two symmetrical gas circulation grooves are axially arranged on the side surface of the valve core.
Furthermore, the upper part of the exhaust end head is provided with a third through hole which transversely penetrates through the exhaust end head and is communicated with the exhaust channel.
Furthermore, the upper end of the exhaust end is covered with a dust cover through a screw fixing cover.
Furthermore, the dust cover is of an inverted concave structure, and a gap is reserved between the inner circumferential surface of the dust cover and the outer circumferential surface of the exhaust end.
Further, the upper shell and the lower shell are fixedly connected through bolts.
Furthermore, a sealing ring is arranged at the position where the lower shell is contacted with the upper shell and the stop iron.
The invention has the following beneficial effects:
when the coil is electrified, the valve core blocks the exhaust channel under the action of electromagnetic attraction to form a sealing structure with the exhaust end, so that the sealing performance of the air inlet channel and the exhaust channel is ensured, namely the air inlet channel is communicated with the air outlet channel and is not communicated with the exhaust channel when the valve core is electrified; when the air outlet channel does not need to flow out, the coil is powered off, the valve core moves downwards under the action of the spring to block the first through hole so as to form a sealing structure with the lower shell, the air supply at the air inlet channel is cut off, the air at the air outlet channel flows to the groove through the second through hole and then flows through the air circulation groove to be finally discharged at the air outlet channel, namely the air outlet channel is communicated with the air outlet channel and is not communicated with the air inlet channel when the power is off; and the spring of the valve core is arranged at the non-working air gap, so that the suction area of the valve core can be prevented from being lost, and the whole weight of the electromagnetic valve can be reduced.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention:
FIG. 1 is a cross-sectional view of a novel two-position three-way solenoid valve in an embodiment;
FIG. 2 is an interface diagram of an upper case in the embodiment;
FIG. 3 is an interface diagram of an upper case in the embodiment;
fig. 4 is an interface diagram of the valve cartridge in the embodiment.
Detailed Description
For a fuller understanding of the technical aspects of the present invention, reference should be made to the following detailed description taken together with the accompanying drawings; it should be noted that, if "first" or "second" is described in the text, it is used to distinguish different components, and the like, and does not represent the order of precedence, and does not limit "first" and "second" to be different types.
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 only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1-4, the novel two-position three-way solenoid valve shown in this embodiment includes a lower casing 1 and an upper casing 2, the upper casing 2 is fixedly disposed at the upper end of the lower casing 1, an air inlet channel 11 and an air outlet channel 12 are disposed on the lower casing 1, a groove 10 is disposed at a central position of an inner bottom end of the lower casing 1, and the lower casing 1 is further provided with a first through hole 13 for communicating the air inlet channel 11 and the groove 10, and a second through hole 14 for communicating the air outlet channel 12 and the groove 10; a circle of L-shaped stop iron 21 with cross section is arranged in the upper shell 2, a valve core 22 is arranged in the stop iron 21, the valve core 22 is positioned right above the first through hole 13 and outside the second through hole 14, a gas circulation groove 23 is axially arranged on the side surface of the valve core 22, the lower end of the valve core 22 extends into the groove 10, a circle of clamping part 24 is radially arranged at the lower end of the valve core 22, and a spring 25 is arranged between the clamping part 24 and the stop iron 21; a magnetism isolating ring 26 is arranged at the upper end of the stop iron 21 on the outer side of the valve core 22, the top end of the magnetism isolating ring 26 is higher than the top end of the valve core 22, and a coil 27 is arranged around the outer sides of the stop iron 21 and the magnetism isolating ring 26; an exhaust end 28 is arranged above the valve core 22, an exhaust channel 29 is arranged at the center of the exhaust end 28 along the axial direction, and the lower part of the exhaust end 28 is arranged in the magnetism isolating ring 26;
in the above structure, when the coil 27 is not energized, the valve core 22 blocks the first through hole 13 under the action of the spring 25, and thus forms a sealing structure with the lower casing 1, the gas at the gas inlet channel 11 is sealed in front of the valve core 22, and the gas outlet channel 12 is connected to the groove 10 through the second through hole 14, and thus is communicated with the gas exhaust channel 29 through the gas circulation groove 23; after the coil 27 is electrified, the valve core 22 moves upwards under the action of electromagnetic attraction force against the action force of the spring 25, the upper end of the first through hole 13 is opened, the upper end of the valve core 22 blocks the exhaust channel 29, and the gas at the gas inlet channel 11 enters the groove 10 through the first through hole 13 and flows out after flowing to the gas outlet channel 12 through the second through hole 14; the valve core 22 blocks the exhaust channel 29 under the action of electromagnetic attraction to form a sealing structure with the exhaust end 28, so that the sealing performance of the gas inlet channel 11 and the exhaust channel 29 is ensured, namely the gas inlet channel 11 is communicated with the gas outlet channel 12 when the valve core 22 is electrified, and the gas inlet channel 11 is not communicated with the exhaust channel 29; when the air outlet channel 12 does not need to have air to flow out, the coil 27 is powered off, the valve core 22 moves downwards under the action of the spring 25 to block the first through hole 13 so as to form a sealing structure with the lower shell 1, the air supply at the air inlet channel 11 is cut off, the air at the air outlet channel 12 flows to the groove 10 through the second through hole 14, then flows through the air circulation groove 23 and is finally discharged at the air discharge channel 29, namely, the air outlet channel 12 is communicated with the air discharge channel 29 when the power is off, and the air outlet channel 12 is not communicated with the air inlet channel 11.
Specifically, a first installation groove 31 is formed in the bottom end of the valve core 22 at a position corresponding to the first through hole 13, and a first sealing block 33 is arranged in the first installation groove 31; a second mounting groove 32 is formed in the top end of the valve core 22 at a position corresponding to the exhaust passage 29, and a second sealing block 34 is arranged in the second mounting groove 32; first sealing block 33 can be better with recess 10 contact, and then when coil 27 is not electrified, case 22 is under the effect of spring 25, and first sealing block 33 can be better seals first through-hole 13, and second sealing block 34 can be better with the bottom contact of exhaust end 28, and then when coil 27 is electrified, case 22 overcomes the effect of spring 25 upward movement, and second sealing block 34 can be better seals exhaust passage 29.
Specifically, a circle of first convex parts 38 are arranged on the outer side of the first through hole 13 in the groove 10, and a circle of second convex parts 39 are arranged on the outer side of the exhaust channel 29 at the bottom end of the exhaust end 28; the first boss 38 can abut against the first seal block 33, and further when the coil 27 is not energized, the valve core 22 is under the action of the spring 25, the first boss 38 can press the first seal block 33, and further can better seal the first through hole 13, the second boss 39 can abut against the second seal block 34, and further when the coil 27 is energized, the valve core 22 moves upward against the action of the spring 25, and the second boss 39 can press the second seal block 34, and further can better seal the exhaust passage 29.
Specifically, the lower part of the valve core 22 is of an inverted circular truncated cone structure, the clamping part 24 is arranged at the lower end of the inverted circular truncated cone structure, the spring 25 is a conical spiral spring with a large upper part and a small lower part, the number of the gas circulation grooves 23 is two, and the two gas circulation grooves are symmetrically arranged on the axial side surface of the valve core 22; the lower part of the valve core 22 is of an inverted circular truncated cone structure, so that the overall weight of the electromagnetic valve can be reduced, the phenomenon that the suction area of the valve core is lost due to the fact that a spring is arranged at a working air gap can be avoided, and the spring 25 is a conical spiral spring so as to adapt to the structure of the valve core 22; the two gas flow grooves 23 are symmetrically provided on both axial side surfaces of the valve body 22, and can increase the paths of gas flowing to the exhaust passage 29, thereby increasing the exhaust effect.
Specifically, a third through hole 35 transversely passing through the exhaust end 28 is arranged at the upper part of the exhaust end 28, and the third through hole 35 is communicated with the exhaust channel 29; the upper end of the exhaust end 28 is fixedly covered with a dust cover 37 with an inverted concave structure through a screw 36, and a certain gap is formed between the inner circumferential surface of the dust cover 37 and the outer circumferential surface of the exhaust end 28; the upper end of the exhaust end 28 is covered with the dust cap 37 with an inverted concave structure, so that impurities such as dust, sand and stone can be prevented from entering the electromagnetic valve, after the dust cap 37 is covered, in order to avoid affecting the exhaust effect of the exhaust channel 29, the upper part of the exhaust end 28 is provided with a third through hole 35 which transversely penetrates through the exhaust end 28 and is communicated with the exhaust channel 29, and the gap between the inner circumferential surface of the dust cap 37 and the outer circumferential surface of the exhaust end 28 can enable the gas flowing through the third through hole 35 to be better exhausted.
Specifically, four screw holes 15 are equidistantly arranged on the edge of the top end of the lower shell 1, an installation part 16 is arranged at the lower end of the upper shell 2, four installation holes 17 are arranged on the installation part 16 at positions corresponding to the four screw holes, and the upper shell 2 and the lower shell 1 are matched and fixedly connected with the screw holes 15 after penetrating through the installation holes 17 through bolts 18; bolt 18 and screw 15 complex connected mode can increase the joint strength between casing 2 and the lower casing 1 to through bolt 18 and the cooperation of screw 15, when the solenoid valve need be maintained, can convenient to detach, increase the maintainability of solenoid valve.
Specifically, a circle of sealing ring installation groove 19 is arranged at the contact position of the lower shell 1, the upper shell 2 and the stop iron 21, and a sealing ring 20 is arranged in the sealing ring installation groove 19; after the upper shell 2 and the lower shell 1 pass through the mounting hole 17 through the bolt 18 and then are fixedly connected with the screw hole 15 in a matched manner, the upper shell 2 and the stop iron 21 can extrude the sealing ring 20 positioned in the sealing ring mounting groove 19, so that the contact place between the lower shell 1 and the upper shell 2 is completely sealed, and the sealing performance of the electromagnetic valve is improved.
In other embodiments, the first seal block and the second seal block are both fluoroplastic seal blocks; the sealing ring is a rubber sealing ring.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (10)
1. A novel two three way solenoid valve which characterized in that: comprises a lower shell and an upper shell fixedly arranged at the upper end of the lower shell;
the lower shell is provided with an air inlet channel and an air outlet channel, a groove is formed in the lower shell, and the lower shell is also provided with a first through hole used for communicating the air inlet channel with the groove and a second through hole used for communicating the air outlet channel with the groove;
a circle of stop iron is arranged in the upper shell, a valve core is arranged in the stop iron, the valve core is positioned above the first through hole and positioned outside the second through hole, a gas circulation groove is axially formed in the side surface of the valve core, the lower end of the valve core extends into the groove and is radially provided with a clamping part, and a spring is arranged between the clamping part and the stop iron;
a magnetism isolating ring is arranged at the upper end of the stop iron on the outer side of the valve core, and coils are arranged on the outer sides of the stop iron and the magnetism isolating ring in a surrounding mode;
an exhaust end is arranged above the valve core, an exhaust channel is axially arranged at the center of the exhaust end, and the lower part of the exhaust end is arranged in the magnetic isolation ring.
2. The novel two-position three-way electromagnetic valve as claimed in claim 1, wherein a first sealing block is arranged at the position of the bottom end of the valve core corresponding to the first through hole.
3. The novel two-position three-way electromagnetic valve as claimed in claim 2, wherein a second sealing block is arranged at the position of the top end of the valve core corresponding to the exhaust passage.
4. The novel two-position three-way electromagnetic valve as claimed in claim 3, wherein the lower part of the valve core is of an inverted frustum structure, the clamping portion is arranged at the lower end of the inverted frustum structure, and the spring is a conical helical spring.
5. The new two-position three-way electromagnetic valve as claimed in claim 4, characterized in that the side of the valve core is axially provided with two mutually symmetrical gas circulation grooves.
6. The new two-position three-way solenoid valve as recited in claim 1 wherein said exhaust tip has a third through hole in an upper portion thereof that extends transversely through said exhaust tip and communicates with said exhaust passage.
7. The new two-position three-way solenoid valve as claimed in claim 6, wherein a dust cap is provided on the upper end cap of the exhaust end.
8. The new two-position three-way electromagnetic valve as claimed in claim 7, wherein the dust cap is of an inverted concave structure, and a gap is provided between the inner circumferential surface of the dust cap and the outer circumferential surface of the exhaust end.
9. The novel two-position three-way solenoid valve as claimed in claim 1, wherein said upper housing is fixedly connected to said lower housing by bolts.
10. The new two-position three-way solenoid valve as claimed in claim 9, wherein a sealing ring is provided at the position where the lower housing contacts the upper housing and the stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010948420.8A CN111998095A (en) | 2020-09-10 | 2020-09-10 | Novel two-position three-way electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010948420.8A CN111998095A (en) | 2020-09-10 | 2020-09-10 | Novel two-position three-way electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111998095A true CN111998095A (en) | 2020-11-27 |
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ID=73469128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010948420.8A Pending CN111998095A (en) | 2020-09-10 | 2020-09-10 | Novel two-position three-way electromagnetic valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN111998095A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198530A (en) * | 2021-12-16 | 2022-03-18 | 深圳华星恒泰泵阀有限公司 | Two-position three-way electromagnetic valve |
-
2020
- 2020-09-10 CN CN202010948420.8A patent/CN111998095A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198530A (en) * | 2021-12-16 | 2022-03-18 | 深圳华星恒泰泵阀有限公司 | Two-position three-way electromagnetic valve |
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Effective date of registration: 20221212 Address after: 710000 Room 5203, Building 5, China Putian Xi'an Industrial Park, No. 456 Hangteng Road, Xi'an National Civil Aerospace Industrial Base, Shaanxi Province Applicant after: Xi'an Zhongke Yudong Power Technology Co.,Ltd. Address before: Room 908, 9 / F, Zhongchuang Plaza, 385 Hangtian Middle Road, Xi'an national civil aerospace industry base, Shaanxi 710000 Applicant before: Xi'an Zhongke Aerospace Power Technology Co.,Ltd. |
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Effective date of registration: 20230801 Address after: 1101, 11th Floor, Building 6, No. 18, Kechuang 13th Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing, 100000 Applicant after: Beijing Zhongke Aerospace Technology Co.,Ltd. Address before: 710000 Room 5203, Building 5, China Putian Xi'an Industrial Park, No. 456 Hangteng Road, Xi'an National Civil Aerospace Industrial Base, Shaanxi Province Applicant before: Xi'an Zhongke Yudong Power Technology Co.,Ltd. |