CN104676081A - Electromagnetic valve - Google Patents
Electromagnetic valve Download PDFInfo
- Publication number
- CN104676081A CN104676081A CN201310610862.1A CN201310610862A CN104676081A CN 104676081 A CN104676081 A CN 104676081A CN 201310610862 A CN201310610862 A CN 201310610862A CN 104676081 A CN104676081 A CN 104676081A
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- CN
- China
- Prior art keywords
- valve
- valve port
- cavity
- port
- iron core
- 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.)
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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
- 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
-
- 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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/42—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor
Abstract
The invention discloses an electromagnetic valve, and belongs to the technical field of electromagnetic valves. The electromagnetic valve solves the technical problem that at present, a double-direction electromagnetic valve is complex in structure. The electromagnetic valve comprises a valve seat, a valve element component and a pilot valve component. A valve opening is formed in the valve seat, and the pilot valve component drives the valve element component to move; internal space of the valve seat is divided into an upper cavity, a middle cavity and a lower cavity; the valve opening comprises an upper valve opening body, a middle valve opening body and a lower valve opening body; the upper valve opening is formed between the upper cavity and the middle cavity, and the middle valve opening body is formed between the middle cavity and the lower cavity; the lower valve opening body is formed in the portion, corresponding to the middle valve opening body, of the valve seat; the pilot valve component controls the upper valve opening to be opened and closed; the valve element component controls the middle valve opening body and the lower valve opening body to be opened and closed; and the upper cavity is communicated with the lower cavity through a fluid channel. The electromagnetic valve is mainly applied to fluid direction control of a pipeline system.
Description
[technical field]
The present invention relates to a kind of solenoid valve, especially can realize the bidirectional electromagnetic valve that medium circulates forward or backwards.
[background technique]
Solenoid valve is widely used in the pipeline of the refrigeration system such as air-conditioning, refrigerator, is used for controlling the break-make of refrigerant.In electromagnetic valve work process, electromagnetic coil energising produces electromagnetic attraction and attracts core iron, the component actuation such as Sports band ovable valve stem, spool of core iron, realize valve port to open or close, during electromagnetic valve work, pressure medium in valve body alters a great deal, electromagnetic attraction affects by it, traditional solenoid valve is made to realize one-way only operation, seal form determines the orientation sealing of solenoid valve, and that is, solenoid valve will ensure that pipe-line system has the existence of forward pressure reduction, can only according to the MEDIA FLOW of regulation to realizing its function, this makes the application of solenoid valve be limited to.For this reason, in prior art, disclose the bidirectional electromagnetic valve that can realize medium and circulate forward or backwards, but its complex structure, assembling difficulty is large, and cost is higher.
[summary of the invention]
The present invention provides a kind of structure simple solenoid valve for the drawback overcoming prior art.
For solving the problems of the technologies described above, the present invention adopts following technological scheme:
A kind of solenoid valve, comprise valve seat, mangetic core assembly and pilot valve assembly, valve port is provided with in described valve seat, described pilot valve assembly drives mangetic core assembly action, the inner space of described valve seat is separated into upper cavity, middle cavity and lower chamber, described valve port comprises valve port, middle valve port and lower valve port, described upper valve port is between upper cavity and middle cavity, described middle valve port is between middle cavity and lower chamber, described lower valve port is arranged in the position of correspondence valve port on valve seat, described pilot valve assembly controls upper valve port opening and closing, the opening and closing of valve port and lower valve port during described mangetic core assembly controls, described upper cavity is communicated with by fluid passage with between lower chamber.
Further, described mangetic core assembly comprises valve rod and is connected to the spool of valve rod lower end, and described valve rod floating connection is on first guide valve component, and described spool has the upper sealing surface can closing middle valve port and the lower sealing surface can closing lower valve port.
Further, described pilot valve assembly is provided with connecting base, is provided with slideway in described connecting base, and described valve rod upper end is provided with the connecting head that can slide in slideway.
Further, under described upper valve port and lower valve port closed state, the spacing between described connecting head and slideway lower end is H1, and the working stroke of described pilot valve assembly is H2, H1 < H2.
Further, the spacing between the upper sealing surface of described spool and middle valve port is H3, H2 < H1+H3.
Further, the spacing between described connecting head and slideway upper end is H4, H3 < H4.
Further, described pilot valve assembly comprises sleeve pipe, static iron core and dynamic iron core, and described sleeve pipe is arranged on valve seat, and described static iron core and dynamic iron core are arranged in sleeve pipe from top to bottom, are provided with Returnning spring between described static iron core and dynamic iron core.
Further, described valve seat comprises valve body and base, and described pilot valve assembly is arranged on valve body, and described upper valve port is formed in valve body upper end, and described middle valve port is formed in valve body lower end, and described middle valve port is formed on described base.
Further, described valve seat is connected with the first adapter and the second adapter, described first adapter is communicated with described middle cavity, and described second adapter is communicated with described lower chamber by lower valve port.
Beneficial effect of the present invention: bidirectional electromagnetic valve of the present invention, pilot valve assembly is utilized to drive mangetic core assembly action, for switching upper valve port, middle valve port and lower valve port open and-shut mode separately, thus realize medium by solenoid valve first take over to second adapter forward circulate or medium taken over to the first adapter reverse circulated by solenoid valve second, meet in refrigeration system pipeline for two-way fluid circulate demand.Compared to existing technology, present invention eliminates the parts such as piston, valve inner structure is simple, reduces difficulty of processing and assembling difficulty, and because the component of solenoid valve of the present invention are less, the difficulty of assembly technology reduces, and the reliability of thus its work is correspondingly improved.
These features of the present invention and advantage will embodiment below, exposure detailed in accompanying drawing.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is the cross-sectional view of preferred embodiment of the present invention bidirectional electromagnetic valve;
Closed condition schematic diagram when Fig. 2 is the circulation of preferred embodiment of the present invention bidirectional electromagnetic valve forward;
On state schematic diagram when Fig. 3 is the circulation of preferred embodiment of the present invention bidirectional electromagnetic valve forward;
Closed condition schematic diagram when Fig. 4 is preferred embodiment of the present invention bidirectional electromagnetic valve reverse circulated;
On state schematic diagram when Fig. 5 is preferred embodiment of the present invention bidirectional electromagnetic valve reverse circulated.
[embodiment]
The technological scheme of accompanying drawing to the embodiment of the present invention below in conjunction with the embodiment of the present invention is explained and illustrated, but following embodiment is only the preferred embodiments of the present invention, and not all.Based on the embodiment in mode of execution, those skilled in the art under the prerequisite not making creative work obtain other embodiments, all belong to protection scope of the present invention.
With reference to Fig. 1, the preferred embodiment of the present invention, a kind of solenoid valve, comprise valve seat 1, mangetic core assembly and pilot valve assembly 2, valve seat 1 comprises valve body 12 and base 11, common, pilot valve assembly 2 comprises sleeve pipe 20, static iron core 21 and dynamic iron core 23, sleeve pipe 20 is arranged on valve body 12 upper end, static iron core 21 and dynamic iron core 23 are arranged in sleeve pipe 20 from top to bottom, Returnning spring 22 is provided with between static iron core 21 and dynamic iron core 23, during practical application, sleeve pipe 20 outside is also provided with coil component, static iron core 21 can be made to produce electromagnetic attraction after coil component energising, and attract dynamic iron core 23, after coil component power-off, iron core 23 reliable reset is made by Returnning spring 22, in this process, the motion of dynamic iron core 23 can drive mangetic core assembly action, realize the opening and closing of valve port.
In the present embodiment, the inner space of valve seat 1 is separated into upper cavity 13, middle cavity 14 and lower chamber 15, concrete: the top and bottom of valve body 12 are equipped with cavity, sleeve pipe 20 is arranged on valve body 12 upper end and forms upper cavity 13, base 11 is arranged on valve body 12 lower end and forms lower chamber 15, longitudinal through upper cavity 13 and lower chamber 15 in the middle part of valve body 12, thus cavity 14 in being formed, valve body 12 is connected with the first adapter 6 and the second adapter 7, first adapter 6 is communicated with middle cavity 14, second adapter 7 is communicated with lower chamber 15, thus, the upper valve port 17 being communicated with upper cavity 13 and middle cavity 14 is defined in valve body 12 upper end, valve port 18 in cavity 14 and lower chamber 15 is defined in connection in valve body 12 lower end, define the lower valve port 19 being communicated with lower chamber 15 and the second adapter 7 on the pedestal 11, in addition, be also communicated with by fluid passage 16 between upper cavity 13 with lower chamber 15.
In the present embodiment, mangetic core assembly comprises valve rod 3 and is connected to the spool 4 of valve rod 3 lower end, and valve rod 3 floating connection is on the dynamic iron core 23 of first guide valve component 2, and spool 4 has the upper sealing surface 41 can closing middle valve port 18 and the lower sealing surface 42 can closing lower valve port 19.So-called floating connection refers to that valve rod 3 freely can move up and down in the scope of setting, the design of the present embodiment is: dynamic iron core 23 lower end is provided with connecting base 5, slideway 51 is provided with in connecting base 5, the lower end of connecting base 5 is provided with through hole, valve rod 3 upper end is provided with connecting head 31, and the size of connecting head 31 is greater than valve rod 3 body dimension.During installation, spool 4 is installed through after the through hole of connecting base 5 in valve rod 3 lower end, and connecting head 31 can slide and can prevent valve rod 3 from departing from connecting base 5 in the slideway 51 of connecting base 5.But it may occur to persons skilled in the art that, spool and valve rod can one, and connecting head can be installed on valve rod after valve rod and connecting base assemble again.
As shown in Figure 1, now solenoid valve is in closed condition, and upper valve port 17 and lower valve port 19 are all in closed state, spacing between setting connecting head 31 and slideway 51 lower end is H1, namely the distance between connecting head 31 lower end surface and connecting base 5 diapire, the working stroke of setting pilot valve assembly 2 is H2, namely the spacing between static iron core 21 lower surface and dynamic iron core 23 upper surface, the present embodiment requires H1 < H2, when so at least can ensure that solenoid valve forward circulates, spool 4 can depart from lower valve port 19, and lower valve port 19 is opened.Preferably: the spacing between the upper sealing surface 41 of setting spool 4 and middle valve port 18 is H3, require H2 < H1+H3, when can ensure that the static iron core 21 of guide valve component 2 is in the ban fitted with dynamic iron core 23 like this, middle valve port 18 can be in open mode with lower valve port 19, and MEDIA FLOW is clear and coherent smooth; If this requirement can not be met, move upward in process at dynamic iron core 23, there will be spool 4 close in valve port 18 and situation that dynamic iron core 23 fit with static iron core 21 not yet, in this case, move iron core 23 more stuck, cause solenoid valve normally to work.The present embodiment spacing also set between connecting head 31 and slideway 51 upper end is H4, namely the distance between connecting head 31 upper-end surface and dynamic iron core 23 lower end surface, require H3 < H4, when so at least can ensure solenoid valve reverse circulated, spool 4 reliably can close middle valve port 18.
The working principle of the present embodiment:
Solenoid valve from the first adapter 6 air inlet, is given vent to anger from the second adapter 7 and is set as that forward circulates by the present embodiment; Solenoid valve, from the second adapter 7 air inlet, is given vent to anger from the first adapter 6 and is set as reverse circulated.
One, with reference to Fig. 2, under this state, coil component no electric circuit, dynamic iron core 23 keep under the effect of Returnning spring 22 on the closed state of valve port 17, spool 4 keeps the closed state to lower valve port 19 under gravity, high-pressure liquid enters middle cavity 14 from the first adapter 6, middle cavity 14 and lower chamber 15 are high pressure, and the second adapter 7 place is low pressure, under pressure difference effect, lower valve port 19 still keeps closing, and bidirectional electromagnetic valve is in closed condition.
Two, with reference to Fig. 3, under this state, coil component is energized, under electromagnetic force, dynamic iron core 23 move upward and with static iron core 21 adhesive, middle valve port 18 and lower valve port 19 are opened, and middle cavity 14 is communicated with lower chamber 15, and lower chamber 15 is communicated with the second adapter 7, high-pressure liquid is entered by the first adapter 6, cavity 14, middle valve port 18, lower chamber 15, lower valve port 19 in passing through, finally flowed out by the second adapter 7, realizes forward circulation.Owing to upper valve port 17 being opened when dynamic iron core 23 moves upward, in this process, also have partial high pressure fluid and enter upper cavity 13 from upper valve port 17, and directly enter lower chamber 15 by fluid passage 16.
Three, with reference to Fig. 4, under this state, coil component no electric circuit, dynamic iron core 23 keep under the effect of Returnning spring 22 on the closed state of valve port 17, high-pressure liquid to enter and by spool 4 upwards jack-up from the second adapter 7, make that lower valve port 19 is opened and middle valve port 18 is closed, simultaneously, high-pressure liquid directly enters upper cavity 13 by fluid passage 16, now, upper cavity 13 and lower chamber 15 are high pressure, and middle cavity 14 is low pressure, under the effect of pressure difference and Returnning spring 22, bidirectional electromagnetic valve is in closed condition.
Four, with reference to Fig. 5, under this state, coil component is energized, under electromagnetic force, dynamic iron core 23 move upward and with static iron core 21 adhesive, upper valve port 17 is opened, high-pressure liquid is entered by the second adapter 7, through lower valve port 19, lower chamber 15, fluid passage 16, upper cavity 13, upper valve port 17, middle cavity 14, finally flowed out by the first adapter 6, realize reverse circulated.
The direction of flow that the embodiment of the present invention is mainly used in pipe-line system controls, such as, in the refrigeration system such as air-conditioning, refrigerator, realize two-way circulating of refrigeration agent.
By above-described embodiment, object of the present invention is reached by fully effective.The personage being familiar with this skill should be understood that and the present invention includes but the content being not limited to accompanying drawing and describing in embodiment above.Any amendment not departing from function and structure principle of the present invention all will comprise within the scope of the appended claims.
Claims (9)
1. a solenoid valve, comprise valve seat, mangetic core assembly and pilot valve assembly, valve port is provided with in described valve seat, described pilot valve assembly drives mangetic core assembly action, it is characterized in that: the inner space of described valve seat is separated into upper cavity, middle cavity and lower chamber, described valve port comprises valve port, middle valve port and lower valve port, described upper valve port is between upper cavity and middle cavity, described middle valve port is between middle cavity and lower chamber, described lower valve port is arranged in the position of correspondence valve port on valve seat, described pilot valve assembly controls upper valve port opening and closing, the opening and closing of valve port and lower valve port during described mangetic core assembly controls, described upper cavity is communicated with by fluid passage with between lower chamber.
2. a kind of solenoid valve as claimed in claim 1, it is characterized in that: described mangetic core assembly comprises valve rod and is connected to the spool of valve rod lower end, described valve rod floating connection is on first guide valve component, and described spool has the upper sealing surface can closing middle valve port and the lower sealing surface can closing lower valve port.
3. a kind of solenoid valve as claimed in claim 2, is characterized in that: described pilot valve assembly is provided with connecting base, is provided with slideway in described connecting base, and described valve rod upper end is provided with the connecting head that can slide in slideway.
4. a kind of solenoid valve as claimed in claim 3, is characterized in that: under described upper valve port and lower valve port closed state, the spacing between described connecting head and slideway lower end is H1, and the working stroke of described pilot valve assembly is H2, H1 < H2.
5. a kind of solenoid valve as claimed in claim 4, is characterized in that: the spacing between the upper sealing surface of described spool and middle valve port is H3, H2 < H1+H3.
6. a kind of solenoid valve as claimed in claim 5, is characterized in that: the spacing between described connecting head and slideway upper end is H4, H3 < H4.
7. a kind of solenoid valve as described in any one of claim 1 to 6, it is characterized in that: described pilot valve assembly comprises sleeve pipe, static iron core and dynamic iron core, described sleeve pipe is arranged on valve seat, described static iron core and dynamic iron core are arranged in sleeve pipe from top to bottom, are provided with Returnning spring between described static iron core and dynamic iron core.
8. a kind of solenoid valve as described in any one of claim 1 to 6, it is characterized in that: described valve seat comprises valve body and base, described pilot valve assembly is arranged on valve body, and described upper valve port is formed in valve body upper end, described middle valve port is formed in valve body lower end, and described middle valve port is formed on described base.
9. a kind of solenoid valve as described in any one of claim 1 to 6, is characterized in that: described valve seat is connected with the first adapter and the second adapter, and described first adapter is communicated with described middle cavity, and described second adapter is communicated with described lower chamber by lower valve port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310610862.1A CN104676081B (en) | 2013-11-26 | 2013-11-26 | A kind of solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310610862.1A CN104676081B (en) | 2013-11-26 | 2013-11-26 | A kind of solenoid valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104676081A true CN104676081A (en) | 2015-06-03 |
| CN104676081B CN104676081B (en) | 2019-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310610862.1A Active CN104676081B (en) | 2013-11-26 | 2013-11-26 | A kind of solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104676081B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289172A (en) * | 2016-03-30 | 2017-10-24 | 浙江盾安禾田金属有限公司 | Magnetic valve |
| CN107725841A (en) * | 2017-11-08 | 2018-02-23 | 宁波文泽机电技术开发有限公司 | The ratio one-way flow valves of double-direction control |
| CN107781496A (en) * | 2017-11-10 | 2018-03-09 | 宁波文泽机电技术开发有限公司 | A kind of double-direction control electromagnetic proportional valve |
| CN109780265A (en) * | 2019-02-28 | 2019-05-21 | 浙江高翔工贸有限公司 | A kind of automatically controlled switch valve of pipeline on-off |
| CN110030423A (en) * | 2018-01-12 | 2019-07-19 | 浙江盾安机械有限公司 | A kind of welding structure and solenoid valve of conduit and plug component |
| CN114294369A (en) * | 2021-12-13 | 2022-04-08 | 浙江戈尔德智能悬架股份有限公司 | Novel external electromagnetic valve assembly and application thereof |
| WO2024066300A1 (en) * | 2022-09-30 | 2024-04-04 | 比亚迪股份有限公司 | Solenoid valve |
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| CN2494898Y (en) * | 2001-09-06 | 2002-06-12 | 辽宁腾飞喷泉喷灌工程有限责任公司 | Waterproof double-directional electromagnetic valve |
| JP2007132461A (en) * | 2005-11-11 | 2007-05-31 | Advics:Kk | Solenoid valve of actuator for hydraulic control |
| CN202733120U (en) * | 2012-05-24 | 2013-02-13 | 温州阿尔贝斯气动有限公司 | Single-electric control direct-acting two-way electromagnetic valve |
| US8474480B1 (en) * | 2010-06-03 | 2013-07-02 | Bs&B Safety Systems Limited | Actuator control valve |
| CN103322273A (en) * | 2012-03-21 | 2013-09-25 | 浙江三花股份有限公司 | Bidirectional electromagnetic valve |
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2013
- 2013-11-26 CN CN201310610862.1A patent/CN104676081B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2494898Y (en) * | 2001-09-06 | 2002-06-12 | 辽宁腾飞喷泉喷灌工程有限责任公司 | Waterproof double-directional electromagnetic valve |
| JP2007132461A (en) * | 2005-11-11 | 2007-05-31 | Advics:Kk | Solenoid valve of actuator for hydraulic control |
| US8474480B1 (en) * | 2010-06-03 | 2013-07-02 | Bs&B Safety Systems Limited | Actuator control valve |
| CN103322273A (en) * | 2012-03-21 | 2013-09-25 | 浙江三花股份有限公司 | Bidirectional electromagnetic valve |
| CN202733120U (en) * | 2012-05-24 | 2013-02-13 | 温州阿尔贝斯气动有限公司 | Single-electric control direct-acting two-way electromagnetic valve |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289172A (en) * | 2016-03-30 | 2017-10-24 | 浙江盾安禾田金属有限公司 | Magnetic valve |
| CN107289172B (en) * | 2016-03-30 | 2020-09-22 | 浙江盾安禾田金属有限公司 | Electromagnetic valve |
| CN107725841A (en) * | 2017-11-08 | 2018-02-23 | 宁波文泽机电技术开发有限公司 | The ratio one-way flow valves of double-direction control |
| CN107781496A (en) * | 2017-11-10 | 2018-03-09 | 宁波文泽机电技术开发有限公司 | A kind of double-direction control electromagnetic proportional valve |
| CN107781496B (en) * | 2017-11-10 | 2019-04-16 | 上海超诚科技发展有限公司 | A kind of double-direction control electromagnetic proportional valve |
| CN110030423A (en) * | 2018-01-12 | 2019-07-19 | 浙江盾安机械有限公司 | A kind of welding structure and solenoid valve of conduit and plug component |
| CN110030423B (en) * | 2018-01-12 | 2022-04-22 | 苏州华越金属有限公司 | Welding structure of conduit and insertion part and electromagnetic valve |
| CN109780265A (en) * | 2019-02-28 | 2019-05-21 | 浙江高翔工贸有限公司 | A kind of automatically controlled switch valve of pipeline on-off |
| CN109780265B (en) * | 2019-02-28 | 2023-09-26 | 浙江高翔工贸有限公司 | Electric control switch valve for on-off of pipeline |
| CN114294369A (en) * | 2021-12-13 | 2022-04-08 | 浙江戈尔德智能悬架股份有限公司 | Novel external electromagnetic valve assembly and application thereof |
| WO2024066300A1 (en) * | 2022-09-30 | 2024-04-04 | 比亚迪股份有限公司 | Solenoid valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104676081B (en) | 2019-02-12 |
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