CN204717099U - A kind of Pneumoelectric dual control solenoid valve - Google Patents
A kind of Pneumoelectric dual control solenoid valve Download PDFInfo
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- CN204717099U CN204717099U CN201520255466.6U CN201520255466U CN204717099U CN 204717099 U CN204717099 U CN 204717099U CN 201520255466 U CN201520255466 U CN 201520255466U CN 204717099 U CN204717099 U CN 204717099U
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Abstract
The utility model relates to a kind of Pneumoelectric dual control solenoid valve, comprises valve body, valve gap, valve rod, spool, electromagnetic coil and gas control passage.Valve body both ends of the surface are medium entrance and media outlet respectively.Valve rod is communicated with body cavity through plane valve gap on valve body.Spool comprises dynamic iron core and static iron core.The peripheral sheathed electromagnetic coil of valve rod, inlet hole is established at top, and top is provided with the air inlet briquetting of tool gas control passage, communicates with the inlet hole at top.Dynamic iron core has internal channel, and two ends are respectively equipped with sealing plug and lower seal chock plug, and stage casing is provided with tension spring.Body cavity has upper and lower two active chambers, establishes seal membrane in cavity of resorption bottom, seals body cavity bottom valve port; Static iron core is located at valve rod internal upper part, and center has internal channel, and lower end is valve port and by upper sealing plug shutoff, upper end outlet communicates with valve stem top inlet hole.This product can, under unexpected power-off condition, still can utilize the pressure air in steam line to promote solenoid valve action, can effectively occur by Accident prevention.
Description
Technical field
The utility model relates to the control unit field in automatic system, specifically refers to a kind of Pneumoelectric dual control solenoid valve.
Background technique
Solenoid valve is the critical elements of automation control system, is usually all to implement to open and close to valve by electromagnetic coil, thus carries out control to gas or liquid medium and run to drive whole system.But existing solenoid valve is all single control mode when opening and closing usually: press start button, electromagnetic coil is energized, the static iron core of pilot head is magnetized by the electromagnetic field that electromagnetic coil produces, static iron core attracts dynamic iron core to be moved, open or close the valve port pore that the Sealing on original passive iron core is blocked, can open or close gas-liquid channel, realizing the operation of valve.So power supply is the primary power driving solenoid valve.But sometimes as encountered the unexpected power-off of system, solenoid valve does not have power supply cisco unity malfunction, but now steam line still has certain pressure.If so the pressure air in steam line can be utilized to run to promote valve, sometimes can prevent the accident of equipment accident from occurring, it is a kind of intention preferably that this imagination be can yet be regarded as.The applicant, through repeatedly designing and testing, proves that this can go completely.
Model utility content
The utility model object is: transform existing electric control solenoid valve, still solenoid valve can be driven to run with pressure air under unexpected powering-off state, this all has positive role very much to equipment and personal security.
The technological scheme of the utility model technical solution problem is: a kind of Pneumoelectric dual control solenoid valve, is to add gas control passage on common guide electromagnetic valve basis, and it comprises valve body, valve gap, valve rod, spool and electromagnetic coil, also comprises gas control passage.Described valve body left and right end face is medium entrance P1 and media outlet P2 respectively, and on valve body, plane is provided with valve gap, is provided with circular hole in the middle of valve gap, and described valve rod is communicated with upper active chamber through the circular hole in the middle of valve gap; Described spool is located in valve rod, comprises dynamic iron core and static iron core.Described valve rod outer race is provided with electromagnetic coil, and valve stem top is provided with an inlet hole, and valve stem tip is provided with air inlet briquetting, establishes gas control passage P3 in air inlet briquetting, and described gas control passage P3 communicates with the inlet hole of valve stem top.
Described dynamic iron core has hollow internal channel, and the upper and lower two ends of internal channel are respectively equipped with sealing plug and lower seal chock plug, and internal channel stage casing is provided with tension spring, and described tension spring two ends prop up sealing plug and lower seal chock plug respectively; Periphery, described dynamic iron core lower end is tapered, and overcoat has is inverted turriform spring.
Described body cavity has upper and lower two active chambers, lower active chamber internal upper part is provided with along putting turriform spring, describedly be against on a spill disk along putting turriform spring bottom, have seal membrane at spill disk, described seal membrane seals the valve port A set by body cavity bottom; Described upper active chamber is provided with valve port B, by the shutoff of described lower seal chock plug.
Described static iron core is located at valve rod internal upper part, and similarly static iron core center has internal channel, and this internal channel lower end is valve port C, and by upper sealing plug shutoff, upper end outlet communicates with the inlet hole of valve stem top.
Present design sets up gas control gas circuit on existing conventional solenoid valve basis, can when the automatically controlled mode of power failure can not make valve normally work suddenly, the pressure air remained in steam line still can be utilized to promote the closedown of valve core of the electromagnetic valve or open, therefore can effectively prevent the equipment accident led to because valve can not work from occurring.
Accompanying drawing explanation
Fig. 1 is that master of the present utility model is depending on (analysing and observe) schematic diagram;
Each portion title and mark in figure: 1-valve body, 2-valve port A, 3-seal membrane, 4-is along putting turriform spring, active chamber under 5-, the upper active chamber of 6-, 7-valve port B, 8-valve gap, 9-is inverted turriform spring, 10-lower seal chock plug, 11-tension spring, 12-moves iron core, the upper sealing plug of 13-, 14-valve port C, 15-static iron core, 16-electromagnetic coil, 17-air inlet briquetting, 18-gas control passage (P3), 19-inlet hole, 20-spill disk, 21-medium entrance (P1), 22-media outlet (P2).
Embodiment
As shown in Figure 1: a kind of Pneumoelectric dual control solenoid valve, be add gas control passage on common guide electromagnetic valve basis.It comprises valve body 1, valve gap 8, valve rod, spool and electromagnetic coil 16, also comprises gas control passage (P3) 18.Valve body about 1 end face is medium entrance (P1) and media outlet (P2) respectively, and on valve body 1, plane is provided with valve gap 8, is provided with circular hole in the middle of valve gap 8, and valve rod is communicated with upper active chamber through the circular hole in the middle of valve gap 8.Spool is located in valve rod, comprises dynamic iron core 12 and static iron core 15.Valve rod outer race is provided with electromagnetic coil 16, and valve stem top is provided with an inlet hole 19, and valve stem tip is provided with air inlet briquetting 17, establishes gas control passage (P3) 18 in air inlet briquetting 17.Gas control passage (P3) 18 communicates with the inlet hole 19 of valve stem top.Dynamic iron core 12 has hollow internal channel, and the upper and lower two ends of internal channel are respectively equipped with sealing plug 13 and lower seal chock plug 10, and internal channel stage casing is provided with tension spring 11.Tension spring 11 two ends prop up sealing plug 13 and lower seal chock plug 10 respectively.Dynamic periphery, iron core 12 lower end is tapered, and overcoat has is inverted turriform spring 9.Body cavity has upper and lower two active chambers, and lower active chamber 5 internal upper part is provided with along putting turriform spring 4.Be against on a spill disk 20 along putting bottom turriform spring 4, have seal membrane 3 at spill disk 20, seal membrane 3 seals the valve port A of the setting of body cavity bottom.Upper active chamber 6 is provided with valve port B7, by lower seal chock plug 10 shutoff.Static iron core 15 is located at valve rod internal upper part, and similarly static iron core 15 center has internal channel, and this internal channel lower end is valve port C14, and by the shutoff of upper sealing plug 13, upper end outlet communicates with the inlet hole 19 of valve stem top.
Concise and to the point description is done to working principle of the present utility model below: the utility model solenoid valve is a kind of normal-open electromagnetic valve.Under normal circumstances during working state, the pressure air of steam line is ventilated by gas control passage (P3) 18, electromagnetic coil 16 energising generates an electromagnetic field and static iron core 15 is magnetized, attract dynamic iron core 12 to move up, overcome tension spring 11 tension force, lower seal chock plug 10 also moves up simultaneously, valve port B7 is opened, standby pressure air in lower active chamber 5 is discharged from valve port B7, and working medium is come in from medium entrance (P1) 21, flows out from media outlet (P2) 22.When solenoid valve is when suffering to have a power failure suddenly, the pressure air of steam line enters lower work chamber by gas control passage (P3) 18, by standby pressure air pressure, valve port A2 is sealed by seal membrane 3 downwards, realizes medium and cut off.If now gas control passage (P3) 18 is died, active chamber loses pressure, and seal membrane 3 moves up, and is opened by valve port A2, and working medium is come in from medium entrance (P1) 21, flows out from media outlet (P2) 22 through valve port A2.
Claims (4)
1. a Pneumoelectric dual control solenoid valve, comprise valve body (1), valve gap (8), valve rod, spool and electromagnetic coil (16), also comprise gas control passage P3 (18), it is characterized in that described valve body (1) left and right end face is medium entrance P1 (21) and media outlet P2 (22) respectively, the upper plane of valve body (1) is provided with valve gap (8), circular hole is provided with in the middle of described valve gap (8), described valve rod is through the circular hole in the middle of valve gap (8) and valve body (1) inner space, described spool is located in valve rod, comprise dynamic iron core (12) and static iron core (15), described valve rod outer race is provided with electromagnetic coil (16), valve stem top is provided with an inlet hole (19), valve stem tip is provided with air inlet briquetting (17), gas control passage P3 (18) is established in air inlet briquetting (17), described gas control passage P3 (18) communicates with the inlet hole (19) of valve stem top.
2. a kind of Pneumoelectric dual control solenoid valve according to claim 1, it is characterized in that described dynamic iron core (12) has hollow internal channel, the upper and lower two ends of internal channel are respectively equipped with sealing plug (13) and lower seal chock plug (10), internal channel stage casing is provided with tension spring (11), described tension spring (11) two ends prop up sealing plug (13) and lower seal chock plug (10) respectively, described dynamic iron core (12) periphery, lower end is tapered, and overcoat has is inverted turriform spring (9).
3. a kind of Pneumoelectric dual control solenoid valve according to claim 1, on it is characterized in that described valve body (1) inner chamber has, lower two active chambers, described lower active chamber (5) internal upper part is provided with along putting turriform spring (4), described suitable turriform spring (4) bottom of putting is against on a spill disk (20), seal membrane (3) is had at spill disk (20), described seal membrane (3) seals the valve port (2) set by valve body (1) inner chamber bottom, described upper active chamber (6) is provided with valve port B (7), by the shutoff of described lower seal chock plug (10).
4. a kind of Pneumoelectric dual control solenoid valve according to claim 1, it is characterized in that described static iron core (15) is located at valve rod internal upper part, described static iron core (15) center has internal channel, this internal channel lower end is valve port C (14), by upper sealing plug (13) shutoff, internal channel upper end outlet communicates with the inlet hole (19) of valve stem top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255466.6U CN204717099U (en) | 2015-04-21 | 2015-04-21 | A kind of Pneumoelectric dual control solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255466.6U CN204717099U (en) | 2015-04-21 | 2015-04-21 | A kind of Pneumoelectric dual control solenoid valve |
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| Publication Number | Publication Date |
|---|---|
| CN204717099U true CN204717099U (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520255466.6U Expired - Fee Related CN204717099U (en) | 2015-04-21 | 2015-04-21 | A kind of Pneumoelectric dual control solenoid valve |
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| CN (1) | CN204717099U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979357A (en) * | 2017-03-22 | 2017-07-25 | 奉化胜雄机电科技有限公司 | A kind of magnetic valve |
| CN109442091A (en) * | 2018-12-12 | 2019-03-08 | 宁波纽帕得机械有限公司 | A kind of locking solenoid directional control valve |
| CN114215805A (en) * | 2021-11-22 | 2022-03-22 | 浙江华章科技有限公司 | Reversing valve |
-
2015
- 2015-04-21 CN CN201520255466.6U patent/CN204717099U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979357A (en) * | 2017-03-22 | 2017-07-25 | 奉化胜雄机电科技有限公司 | A kind of magnetic valve |
| CN109442091A (en) * | 2018-12-12 | 2019-03-08 | 宁波纽帕得机械有限公司 | A kind of locking solenoid directional control valve |
| CN109442091B (en) * | 2018-12-12 | 2024-05-07 | 宁波纽帕得机械有限公司 | Electromagnetic reversing valve with lock |
| CN114215805A (en) * | 2021-11-22 | 2022-03-22 | 浙江华章科技有限公司 | Reversing valve |
| CN114215805B (en) * | 2021-11-22 | 2023-06-06 | 浙江华章科技有限公司 | Reversing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20160421 |
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| CF01 | Termination of patent right due to non-payment of annual fee |