CN2229582Y - Electromagnetic safety regulating valve - Google Patents
Electromagnetic safety regulating valve Download PDFInfo
- Publication number
- CN2229582Y CN2229582Y CN 95219639 CN95219639U CN2229582Y CN 2229582 Y CN2229582 Y CN 2229582Y CN 95219639 CN95219639 CN 95219639 CN 95219639 U CN95219639 U CN 95219639U CN 2229582 Y CN2229582 Y CN 2229582Y
- Authority
- CN
- China
- Prior art keywords
- valve
- electromagnet
- driveshaft
- housing
- electromgnetic seat
- 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.)
- Expired - Fee Related
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model provides an electromagnetic safety regulating valve which comprises a casing, a valve rod, a valve sealing spring, a valve plug, a miniature motor, an actuating rod and a separable electromagnet which is arranged in the casing and is formed by combining a left electromagnet, a right electromagnet and an electromagnet coil, wherein, an output shaft of the miniature motor is in transmission connection with one end of the actuating rod, and the other end of the actuating rod is in linkage with the left electromagnet. The actuating rod is provided with screw threads. With the transmission of the screw threads, the left electromagnet makes right and left linear motion when the actuating rod rotates forward or backward. The utility model has the advantages of small actuating and holding current, long valve opening stroke, reasonable structure and high reliability and safety, and can make a safety protecting valve and a flow regulating valve integrated.
Description
The utility model relates to a kind of solenoid valve, particularly a kind of Electromgnetic seat modulating valve.
Existing solenoid valve, it drives valve is to adopt to feed the strong big electric current of inhaling in electromagnet coil, make left and right sides electromagnetic actuation, thereby the pulling valve rod is opened valve plug.This kind structure exists operating current big, and it is little to open Valve travel, the disadvantage that valve sealing force is little.In addition as the patent No. be 92219455.6 " inflammable gas safety valve " its to drive valve be with the direct actuate valve stem of micro motor, open valve plug, but, therefore be not suitable as the safety protection valve because under the dead electricity situation, valve plug can not be replied the pass valve.
The purpose of this utility model is exactly the deficiency that overcomes existing solenoid valve; make that to open valve adhesive driving current little; stroke is big; valve sealing force is big; flexible movements; reliability and Safety performance height simultaneously also can carry out Flow-rate adjustment as required, the Electromgnetic seat modulating valve that safety protective valve and flow control valve are integrated.
The utility model is achieved in that the utility model comprises housing, valve rod, the envelope valve spring, valve plug is formed, valve plug is contained in the right-hand member of valve rod, valve rod withstands to the right by the effect of envelope valve spring elastic force, it is characterized in that: also comprise micromachine, driveshaft and be contained in the housing by left electromagnet and right electromagnet, the separable electromagnet that electromagnet coil combines, the left end of valve rod stretches in the housing and with right electromagnet and links, the output shaft of micromachine and driveshaft one end are made transmission joint, the driveshaft the other end links with left electromagnet, be shaped on screw thread on the driveshaft, by the screw thread transmission, make left electromagnet when driveshaft rotates forward or backwards, make left and right sides straight line motion.During work, the micromachine rotation simultaneously of electromagnet coil power, left electromagnet and right electromagnetic actuation, the screw thread transmission by driveshaft is moved valve plug, thereby opens air valve.When needs closed valve protection, control circuit made the electromagnet coil dead electricity, and the electromagnetism the suction-combining force disappears, and right electromagnet, valve rod and valve plug are replied by the effect of envelope valve spring elastic force, and valve plug closes valve.Regulate the displacement that turning to of micro motor can control valve rod and the size of valve plug aperture, carry out Flow-rate adjustment.
Micromachine of the present utility model can be contained in the housing or outside the housing according to the needs of assembly structure, and micromachine can adopt miniature gears deceleration direct current generator or stepper motor etc.
The utility model micromachine output shaft can directly be screwed into coaxial being in transmission connection with driveshaft, also can load onto gear on the micromachine output shaft, is shaped on the column type gear at driveshaft one end, carries out the modes that are in transmission connection such as gear transmission connection.
Driveshaft of the present utility model can directly be threaded with left electromagnet and link, and also can be equal to left electromagnet by nut, base plate and connect indirectly or be slidingly connected.
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the utility model embodiment's a structural representation.
Fig. 2 for Fig. 1 embodiment be connected with spool and with valve body assembling after structural representation.
Referring to Fig. 1, Fig. 2: for the ease of assembling, housing (8) can be formed by connecting by right shell body (8a) and left shell (8b), available seal ring (9) sealing between right shell body (8a) and the left shell (8b), valve rod (14) right-hand member is equipped with valve plug (12), for guaranteeing the smooth valve plug liner plate (13) that adds of valve plug (12), close plug (12) withstands to the right by the effect of envelope valve spring (11) elastic force with valve rod (14) and seals valve port, the left end of valve rod (14) stretches into to connect into the riveted mode in the housing (8) and with right electromagnet (17) and can shake shape, for the ease of processing, can add an axle sleeve (15) in the free gap of right shell body (8a) and valve rod (14).Micromachine (1) can be installed in the housing (8), and its output shaft (2) carries out coaxial being in transmission connection with driveshaft (3) one ends, and fixing with screw (20).Electromagnet coil (7) is fixedly mounted in the annular groove of left electromagnet (18) formation.
Owing to install or machining error, screw thread might not be on same axis, directly be threaded with left electromagnet (18) and cause for fear of driveshaft (3) difficulty is installed, and in use block, the a present embodiment left side same base plate of electromagnet (18) (5) links, between base plate (5) and left electromagnet (18) nut (6) is housed, driveshaft (3) is shaped on screw thread and same nut (6) is threaded.
Because nut (6) has little free gap, therefore left electromagnet (18) can be moved neatly, the screw thread transmission by driveshaft (3) can make left electromagnet (18) make left and right sides straight line motion with the rotation forward or backwards of driveshaft (3).
Lead for to left electromagnet (18) straight line motion the time, also have slide guide (4) in the present embodiment housing (8), slide guide (4) is chimeric or be slidingly connected with left electromagnet (18) or base plate (5).
Slide guide (4) can be the garden column, also can be concavity or convex, and the also available garden jacket casing that has several grooves of movable guiding rail (4) is gone in the left shell (8b).
In order accurately to regulate flow, present embodiment also is connected with spool (21) on valve plug (12) the right, and spool (21) can be tubular, has suction port in spool (21) side.Along with moving to left of valve plug (12), the suction port exposed area progressively strengthens, and flow strengthens.The size of suction port and shape are determined according to the flow control needs.
In order to detect, travel position switch (19) is housed also in the present embodiment housing (8) to left electromagnet (18) position.The travel position switch can be adorned one or several.
Inside and outside making housing, isolate, avoid simultaneously producing resistance to motion with the sealing of O type circle.Free gap between present embodiment valve rod (14) and the housing (8) seals with telescopic seal bellows (16).
The seal bellows same valve rods of (16) one ends (14) radial seal connects, and seal bellows (16) the other end compresses by the same right shell body of housing pin (10) (8a) and is tightly connected.
During use, the same valve body of the utility model (22) connects, and spool (21) stretches in the valve port, and valve plug (12) is sealed valve port.Electromagnet coil during work (7) energising, left side electromagnet (18) and right electromagnet (17) adhesive, micromachine (1) rotates subsequently, screw thread transmission by driveshaft (3) makes left electromagnet (18) straight line motion left, drive is by the right electromagnet (17) of adhesive, and valve rod (14), valve plug (12), spool (21) be to left movement, and valve port is opened, regulate the revolution that turns to of micromachine (1) and regulate valve port opening, carry out flow control.When needs close valve protection, electromagnet coil (7) dead electricity, left electromagnet (18) and right electromagnet (17) the suction-combining force disappear, and under the effect of envelope valve spring (11) elastic force, valve plug (12) is replied close port immediately.
The utility model is owing to adopt electromagnet to keep adhesive; micromachine drives; need not big strong absorbing current; and can carry out Flow-rate adjustment; rational in infrastructure; reliability and safe is particularly suitable as inflammable gas safety protective valve and flow control valve, and safety protective valve and flow control valve are integrated.
Claims (8)
1, a kind of Electromgnetic seat modulating valve, comprise housing (8), valve rod (14), envelope valve spring (11), valve plug (12) is formed, valve plug (12) is contained in the right-hand member of valve rod (14), valve rod (14) withstands to the right by the effect of envelope valve spring (11) elastic force, it is characterized in that: also comprise micromachine (1), driveshaft (3) and be contained in the housing (8) by left electromagnet (18) and right electromagnet (17), the separable electromagnet that electromagnet coil (7) combines, the left end of valve rod (14) stretches in the housing (8) and with right electromagnet (17) and links, the output shaft (2) of micromachine (1) is made transmission joint with driveshaft (3) one ends, driveshaft (3) the other end links with left electromagnet (18), driveshaft is shaped on screw thread on (3), by the screw thread transmission, make left electromagnet (18) make left and right sides straight line motion when rotating forward or backwards at driveshaft (3)
2, Electromgnetic seat modulating valve according to claim 1 is characterized in that: the same base plate of left electromagnet (18) (5) links, and between base plate (5) and left electromagnet (18) nut (6) is housed, and the same nut of driveshaft (3) (6) is threaded.
3, Electromgnetic seat modulating valve according to claim 2 is characterized in that: also have slide guide (4) in the housing (8), slide guide (4) is chimeric or be slidingly connected with left electromagnet (18) or base plate (5).
4, according to one of them described Electromgnetic seat modulating valve of claim 1-3, it is characterized in that: the right of valve plug (12) also is connected with spool (21), and spool (21) can be tubular, and spool (21) side has suction port.
5, according to one of them described Electromgnetic seat modulating valve of claim 1-3, it is characterized in that: travel position switch (19) also is housed in the housing (8)
6, according to one of them described Electromgnetic seat modulating valve of claim 1-3, it is characterized in that: the free gap between valve rod (14) and the housing (8) seals with telescopic seal bellows (16).
7, according to one of them described Electromgnetic seat modulating valve of claim 1-3, it is characterized in that: micromachine (1) is a miniature gears deceleration direct current generator
8, according to one of them described Electromgnetic seat modulating valve of claim 1-3, it is characterized in that: micromachine (1) is a stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95219639 CN2229582Y (en) | 1995-08-17 | 1995-08-17 | Electromagnetic safety regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95219639 CN2229582Y (en) | 1995-08-17 | 1995-08-17 | Electromagnetic safety regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2229582Y true CN2229582Y (en) | 1996-06-19 |
Family
ID=33867786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95219639 Expired - Fee Related CN2229582Y (en) | 1995-08-17 | 1995-08-17 | Electromagnetic safety regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2229582Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074735B (en) * | 2006-05-19 | 2010-09-15 | 林内株式会社 | Electromotor safety valve |
| CN108194677A (en) * | 2018-02-27 | 2018-06-22 | 苏州欧纳克纳米科技有限公司 | A kind of vacuum pressure control valve |
| CN111883465A (en) * | 2020-08-05 | 2020-11-03 | 北京七星华创流量计有限公司 | Process chamber pressure control device |
| CN112768380A (en) * | 2021-01-18 | 2021-05-07 | 北京七星华创流量计有限公司 | Gas flow regulating device and semiconductor processing equipment |
-
1995
- 1995-08-17 CN CN 95219639 patent/CN2229582Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074735B (en) * | 2006-05-19 | 2010-09-15 | 林内株式会社 | Electromotor safety valve |
| CN108194677A (en) * | 2018-02-27 | 2018-06-22 | 苏州欧纳克纳米科技有限公司 | A kind of vacuum pressure control valve |
| CN111883465A (en) * | 2020-08-05 | 2020-11-03 | 北京七星华创流量计有限公司 | Process chamber pressure control device |
| CN111883465B (en) * | 2020-08-05 | 2024-05-28 | 北京七星华创流量计有限公司 | Pressure control device for process chamber |
| CN112768380A (en) * | 2021-01-18 | 2021-05-07 | 北京七星华创流量计有限公司 | Gas flow regulating device and semiconductor processing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |