CN110566699A - Electromagnetic one-way valve - Google Patents
Electromagnetic one-way valve Download PDFInfo
- Publication number
- CN110566699A CN110566699A CN201810571459.5A CN201810571459A CN110566699A CN 110566699 A CN110566699 A CN 110566699A CN 201810571459 A CN201810571459 A CN 201810571459A CN 110566699 A CN110566699 A CN 110566699A
- Authority
- CN
- China
- Prior art keywords
- electromagnet
- valve core
- core structure
- pressure sensor
- check valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and 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
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention provides an electromagnetic one-way valve which comprises a valve body, wherein a flow direction channel and a valve core structure are arranged in the valve body, an inward-protruding limiting part is arranged on the inner wall of the upper part of the valve body, and the valve core structure can move up and down in the limiting part. The limiting part is internally provided with a first electromagnet, the upper part of the valve core structure is provided with a second electromagnet, the first electromagnet and the second electromagnet are mutually attracted, the valve core structure and the limiting part can be connected together, and the lower part of the valve core structure can plug the flow channel. When the pressure detected by the first pressure sensor is greater than the pressure detected by the second pressure sensor, the controller does not electrify the electromagnet, the valve core does not act, the valve core is in a relaxed state, and the flow direction channel is opened under the natural impact of fluid; when the inlet pressure detected by the first pressure sensor is smaller than the outlet pressure detected by the second pressure sensor, the electromagnet is electrified, the valve core falls down to block the plugging port, and one-way circulation is realized. The electromagnetic one-way valve is simple in structure, long in service life and not easy to damage a valve core.
Description
Technical Field
The invention relates to the field of one-way valves, in particular to an electromagnetic one-way valve.
Background
The check valve is a valve which limits fluid to flow from an inlet to an outlet but not to flow reversely, and is widely applied to various fields in industrial production, such as an oil phase prevention check valve of a hydraulic system, a check valve of an outlet of a pump, a check valve of a feeding pipeline and the like. The application of the one-way valve can effectively solve the problems of pump damage, mutual channeling of combustible gas and oxidizing gas, material reverse channeling feeding system in the reactor and the like caused by liquid back flushing, and is key equipment for preventing equipment damage or safety accidents.
The main classification of the prior one-way valve is a straight-through type and a right-angle type, and the one-way valve generally comprises a valve body and a valve core. The valve body is used for limiting a fluid flow path, the valve core is used for providing reverse sealing, and common reverse sealing modes are spring type and gravity type.
According to the practical application condition of the one-way valve, common faults of the one-way valve are seal failure, valve core breaking and the like, wherein the seal failure reasons are generally seal surface damage, fluid carried impurities, resilience force failure and the like; the reason for breaking the valve core is that when the pressure of the fluid is close to balance before and after the valve and the fluid is mutually 'sawn', the valve core and the valve seat are hit, and the valve core made of some brittle materials can break.
Disclosure of Invention
Aiming at the problems that the conventional one-way valve is frequently sealed and fails and a valve core is easily broken, the invention provides the electromagnetic one-way valve which is good in sealing effect and long in service life.
The invention adopts the following technical scheme:
An electromagnetic one-way valve comprises a valve body, wherein a flow direction channel and a valve core structure are arranged in the valve body, an inward-protruding limiting part is arranged on the inner wall of the upper part of the valve body, and the valve core structure can move up and down in the limiting part;
A first electromagnet is arranged in the limiting part, a second electromagnet is arranged at the upper part of the valve core structure, the first electromagnet and the second electromagnet are mutually attracted, and the valve core structure and the limiting part can be connected together;
The lower part of the valve core structure can block the flow direction channel.
Preferably, the limiting part is annular, a guide channel is formed in the middle of the annular limiting part, and the valve core structure can move up and down in the guide channel.
Preferably, the valve core structure comprises a top cover, the top cover is connected with a guide post, the lower end of the guide post is connected with a plugging piece, the top cover, the guide post and the plugging piece are of an integrated structure, and the guide post can move up and down in a guide channel.
Preferably, the second electromagnet is arranged on the periphery of the lower part of the top cover in the upward direction, and the second electromagnet is arranged opposite to the first electromagnet.
Preferably, the lower end of the block piece is provided with an inclined annular sealing surface.
Preferably, when the first electromagnet and the second electromagnet are mutually attracted, the lower end face of the top cover abuts against the upper end face of the limiting part.
Preferably, the flow direction channel comprises an inlet channel and an outlet channel, the lower end of the inlet channel is an inlet, the right end of the outlet channel is an outlet, the inlet channel is vertically connected with the outlet channel, and the upper end of the inlet channel and the left end of the outlet channel are connected to form a corner.
preferably, the inlet channel is arranged opposite to the plugging piece, the upper end of the inlet channel is a plugging port, the shape of the plugging port is matched with that of an annular sealing surface at the lower end of the plugging piece, when the first electromagnet and the second electromagnet are mutually attracted, the plugging piece falls, and the lower end of the plugging piece can plug the plugging port.
preferably, the corner is a straight corner.
Preferably, the electromagnetic valve further comprises a controller, a first pressure sensor is arranged at the inlet, a second pressure sensor is arranged at the outlet, the first pressure sensor and the second pressure sensor are both connected with the controller, and the controller is respectively electrically connected with the first electromagnet and the second electromagnet to control the first electromagnet and the second electromagnet to attract each other.
the invention has the beneficial effects that:
Compared with the existing one-way valve, the problem that the sealing effect of the one-way valve is poor due to the attenuation or failure of the resilience force of the spring is generally existed. The electromagnetic one-way valve provided by the invention can provide recoil force through mutual attraction of the electromagnets, and can keep effectiveness for a long period.
When the inlet pressure detected by the first pressure sensor is greater than the outlet pressure detected by the second pressure sensor, the controller does not electrify the electromagnet, the valve core does not act, the valve core is in a loose state, and the flow direction channel is opened under the natural impact of fluid; when the inlet pressure detected by the first pressure sensor is smaller than the outlet pressure detected by the second pressure sensor, the electromagnet is electrified, the valve core falls down to block the plugging port, and one-way circulation is realized; the electromagnetic one-way valve has the advantages of simple structure, long service life, difficult damage of the valve core and high practical application value.
Drawings
Fig. 1 is a schematic structural view of an electromagnetic check valve.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
Referring to fig. 1, the electromagnetic check valve comprises a valve body 1, wherein a flow direction channel and a valve core structure are arranged in the valve body 1, a limiting portion 2 protruding inwards is arranged on the inner wall of the upper portion of the valve body 1, and the valve core structure can move up and down in the limiting portion.
Wherein, be provided with first electromagnet 3 in the spacing portion 2, the upper portion of case structure is provided with second electromagnet 4, and first electromagnet and second electromagnet attract each other, can link together case structure and spacing portion 2.
Specifically, the limiting part is annular, a guide channel is formed in the middle of the annular limiting part, and the valve core structure can move up and down in the guide channel.
The lower part of the valve core structure can block the flow direction channel.
The case structure includes top cap 5, and the top cap is connected with guide post 6, and the lower extreme of guide post is connected with shutoff piece 7, and top cap 5, guide post 6 and shutoff piece 7 formula structure as an organic whole, guide post 6 can reciprocate in the direction passageway.
the second electromagnet 4 is arranged on the lower part of the top cover 5 in the peripheral direction, and the second electromagnet 4 is arranged opposite to the first electromagnet 3.
The lower end of the block piece 7 is provided with an inclined annular sealing surface 8.
When the first electromagnet and the second electromagnet are mutually attracted, the lower end face of the top cover 5 is abutted against the upper end face of the limiting part 2.
the flow direction channel comprises an inlet channel 9 and an outlet channel 10, the lower end of the inlet channel is an inlet 11, the right end of the outlet channel is an outlet 12, the inlet channel is vertically connected with the outlet channel, the upper end of the inlet channel is connected with the left end of the outlet channel to form a corner 13, and the corner is a linear corner.
The inlet channel is arranged opposite to the plugging piece, the upper end of the inlet channel is a plugging port, the shape of the plugging port is matched with that of an annular sealing surface at the lower end of the plugging piece, when the first electromagnet and the second electromagnet are mutually attracted, the plugging piece falls, and the lower end of the plugging piece can plug the plugging port.
The shape of the annular sealing surface and the plugging port enables the sealing effect to be better.
the electromagnetic one-way valve further comprises a controller, a first pressure sensor 14 is arranged at the inlet, a second pressure sensor 15 is arranged at the outlet, the first pressure sensor and the second pressure sensor are both connected with the controller, and the controller is respectively electrically connected with the first electromagnet and the second electromagnet to control the first electromagnet and the second electromagnet to attract each other.
First pressure sensor can detect the fluid pressure value of entrance, and the fluid pressure value at exit can be detected to the second pressure sensor, and first pressure sensor and second pressure sensor can send the pressure value that detects to the controller and handle, and the controller is the singlechip.
The action process of the electromagnetic one-way valve provided by the invention is roughly as follows:
When the fluid is stable, the fluid flows in from the inlet 11 and flows out from the outlet 12, in the process, the first pressure sensor 14 detects the pressure value of the fluid at the inlet in real time, the second pressure sensor 15 detects the pressure value of the fluid at the outlet in real time, and sends the pressure value to the controller for comparison, when the pressure value of the fluid at the inlet is greater than the pressure value of the fluid at the outlet, the controller does not electrify the first electromagnet 3 and the second electromagnet 4, at the moment, the valve core structure does not act, the fluid naturally impacts the plugging piece 7 at the bottom of the valve core structure, so that the flow channel is opened, and the fluid flows in from the inlet 11 and flows out from the; when the pressure value of the fluid at the inlet is smaller than that at the outlet, the controller energizes the first electromagnet and the second electromagnet, the first electromagnet and the second electromagnet attract each other, the valve core structure falls, the lower end of the plugging piece seals the plugging port to seal the flow direction channel, and the fluid cannot flow back to the inlet from the outlet, so that one-way circulation is realized.
it is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (10)
1. An electromagnetic one-way valve is characterized by comprising a valve body, wherein a flow direction channel and a valve core structure are arranged in the valve body, an inward-protruding limiting part is arranged on the inner wall of the upper part of the valve body, and the valve core structure can move up and down in the limiting part;
A first electromagnet is arranged in the limiting part, a second electromagnet is arranged at the upper part of the valve core structure, the first electromagnet and the second electromagnet are mutually attracted, and the valve core structure and the limiting part can be connected together;
The lower part of the valve core structure can block the flow direction channel.
2. The electromagnetic check valve according to claim 1, wherein the stopper portion is annular, a guide passage is formed in the middle of the annular stopper portion, and the spool structure is movable up and down in the guide passage.
3. The electromagnetic check valve according to claim 2, wherein the valve core structure comprises a top cover, the top cover is connected with a guide post, the lower end of the guide post is connected with a blocking piece, the top cover, the guide post and the blocking piece are of an integrated structure, and the guide post can move up and down in the guide channel.
4. The electromagnetic check valve according to claim 3, wherein the second electromagnet is disposed in an outer circumferential direction of a lower portion of the top cover, and the second electromagnet is disposed opposite to the first electromagnet.
5. The electromagnetic check valve according to claim 3, wherein the lower end of the block piece is provided with an inclined annular sealing surface.
6. The electromagnetic check valve according to claim 4, wherein when the first electromagnet and the second electromagnet are attracted to each other, the lower end surface of the top cover abuts against the upper end surface of the limiting portion.
7. The electromagnetic check valve according to claim 5, wherein the flow direction passage comprises an inlet passage and an outlet passage, the lower end of the inlet passage is an inlet, the right end of the outlet passage is an outlet, the inlet passage is vertically connected with the outlet passage, and the upper end of the inlet passage is connected with the left end of the outlet passage to form a corner.
8. The electromagnetic check valve according to claim 7, wherein the inlet passage is disposed opposite to the plugging member, the upper end of the inlet passage is a plugging port, the shape of the plugging port matches the shape of the annular sealing surface at the lower end of the plugging member, and when the first electromagnet and the second electromagnet are attracted to each other, the plugging member falls down, and the lower end of the plugging member plugs the plugging port.
9. The electromagnetic check valve of claim 7, wherein said corners are straight corners.
10. The electromagnetic check valve according to claim 7, further comprising a controller, wherein a first pressure sensor is disposed at the inlet, a second pressure sensor is disposed at the outlet, the first pressure sensor and the second pressure sensor are both connected to the controller, and the controller is further electrically connected to the first electromagnet and the second electromagnet respectively to control the first electromagnet and the second electromagnet to attract each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810571459.5A CN110566699A (en) | 2018-06-06 | 2018-06-06 | Electromagnetic one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810571459.5A CN110566699A (en) | 2018-06-06 | 2018-06-06 | Electromagnetic one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110566699A true CN110566699A (en) | 2019-12-13 |
Family
ID=68772320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810571459.5A Pending CN110566699A (en) | 2018-06-06 | 2018-06-06 | Electromagnetic one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110566699A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0863235A (en) * | 1994-08-24 | 1996-03-08 | Burutsukusu Instr Kk | Differential pressure type mass flow rate control unit |
| CN103672147A (en) * | 2013-11-28 | 2014-03-26 | 武汉工程大学 | Fluid pressure-stabilizing regulating valve |
| CN205171472U (en) * | 2015-08-05 | 2016-04-20 | 安徽凤阳龙兴建设工程有限公司 | Drainage device is used in nursery experimental plot |
| CN205896317U (en) * | 2016-08-23 | 2017-01-18 | 衢州市帝彦商贸有限公司 | Automatic constant voltage valve |
| GB2540952A (en) * | 2015-07-31 | 2017-02-08 | Tonick Watering Ltd | Improved irrigation valve and method of use |
| CN106609872A (en) * | 2015-10-26 | 2017-05-03 | 德阳九鼎智远知识产权运营有限公司 | Automatic one-way valve |
| CN106641294A (en) * | 2015-10-30 | 2017-05-10 | 现代自动车株式会社 | Canister closed valve for automotive fuel system |
| CN206478247U (en) * | 2017-02-23 | 2017-09-08 | 湖南财经工业职业技术学院 | Magnetic valve |
-
2018
- 2018-06-06 CN CN201810571459.5A patent/CN110566699A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0863235A (en) * | 1994-08-24 | 1996-03-08 | Burutsukusu Instr Kk | Differential pressure type mass flow rate control unit |
| CN103672147A (en) * | 2013-11-28 | 2014-03-26 | 武汉工程大学 | Fluid pressure-stabilizing regulating valve |
| GB2540952A (en) * | 2015-07-31 | 2017-02-08 | Tonick Watering Ltd | Improved irrigation valve and method of use |
| CN205171472U (en) * | 2015-08-05 | 2016-04-20 | 安徽凤阳龙兴建设工程有限公司 | Drainage device is used in nursery experimental plot |
| CN106609872A (en) * | 2015-10-26 | 2017-05-03 | 德阳九鼎智远知识产权运营有限公司 | Automatic one-way valve |
| CN106641294A (en) * | 2015-10-30 | 2017-05-10 | 现代自动车株式会社 | Canister closed valve for automotive fuel system |
| CN205896317U (en) * | 2016-08-23 | 2017-01-18 | 衢州市帝彦商贸有限公司 | Automatic constant voltage valve |
| CN206478247U (en) * | 2017-02-23 | 2017-09-08 | 湖南财经工业职业技术学院 | Magnetic valve |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191213 |