CN205479639U - Directly move piston solenoid valve - Google Patents
Directly move piston solenoid valve Download PDFInfo
- Publication number
- CN205479639U CN205479639U CN201620296825.7U CN201620296825U CN205479639U CN 205479639 U CN205479639 U CN 205479639U CN 201620296825 U CN201620296825 U CN 201620296825U CN 205479639 U CN205479639 U CN 205479639U
- Authority
- CN
- China
- Prior art keywords
- piston
- valve
- valve body
- iron core
- electromagnetic 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a directly move piston solenoid valve, which comprises the following components: a valve body, a valve cove, piston and coil, the valve body is equipped with the inflow entrance of the air feed body or fluid circulation, passageway and egress opening, the valve gap lid closes on valve body upper portion, valve gap top opening, the piston is arranged in the cavity of valve body and valve gap constitution, thereby the piston reciprocates the passageway of opening or closing the valve body, the solenoid valve still includes the piston spring, movable iron core and first top guide, the piston top is equipped with columniform piston step, the movable iron core below is equipped with columniform iron core step, both ends were narrow about the piston spring middle part was wide, the piston spring lower extreme cup joints the piston step, the iron core step is cup jointed to the upper end, and the movable iron core head stretches out and suit in first top guide inner chamber from the valve gap opening part, and first top guide passes the coil.
Description
Technical field
This utility model relates to electromagnetic valve, is specifically related to a kind of direct acting piston electromagnetic valve.
Background technology
Electromagnetic valve is to utilize electromagnetic principle to control fluid or the automation foundation element of gas circulation, belongs to executor, is used in industrial control system more and adjusts the direction of medium, flow, speed and other parameter.Electromagnetic valve is divided into Direct Action Type, step direct-acting type and pilot-operated type three kinds according to operation principle, and wherein during direct-acting electromagnetic valve energising, solenoid produces electromagnetic force and closure member is mentioned from valve seat, and valve is opened；During power-off, electromagnetic force disappears, and spring handle closure member is pressed on valve seat, valve closing, and the most very easy to use, range is the widest.
The most common direct-acting electromagnetic valve is using piston as closure member, moved up and down by solenoid absorption piston and open or close valve, the electromagnetic valve of this structure has the disadvantage that one is that iron core directly adsorbs piston and moves up and down and open or close valve, structural instability, piston is the most stuck；Two is that two parts have pressure differential owing to piston is separated into upper and lower two parts body cavity, needing the biggest driving force so moving on piston, limiting the range of electromagnetic valve；Three is that electromagnetic valve lacks waterproof construction, the most easily scraps.
Utility model content
In order to solve the technical problems such as the driving force unstable, required of electromagnetic valve opening and closing in prior art is big, water proofing property is poor, this utility model provides a kind of direct acting piston electromagnetic valve rational in infrastructure, easy to use, and concrete technical scheme is as follows:
A kind of direct acting piston electromagnetic valve, including valve body, valve gap, piston and coil, valve body is provided with supplied gas or the inflow entrance of fluid circulation, passage and flow export, valve gap covers on valve body top, valve gap upper opening, piston is placed in the cavity of valve body and valve gap composition, piston moves up and down thus opens or closes the passage of valve body, electromagnetic valve also includes piston spring, movable core and pilot head, piston is arranged over the piston step of cylinder, the iron core step of cylinder it is provided with below movable core, in the middle part of piston spring, wide two ends up and down are narrow, piston spring lower end socket piston step；Upper end socket iron core step, movable core head stretches out from valve gap opening part and is set in pilot head inner chamber, and pilot head passes coil.
As a kind of preferred version of the present utility model, described piston is provided with pressure through hole, pressure through hole connection valve body intake tunnel and valve upper part of the cover confined space.
As a kind of preferred version of the present utility model, the junction of described movable core and pilot head is provided with iron core spring.
As a kind of preferred version of the present utility model, described pilot head bottom is provided with external screw thread, and valve gap is provided with the female thread matched with external screw thread.
As a kind of preferred version of the present utility model, in the middle part of described piston, it is arranged with piston ring.
As a kind of preferred version of the present utility model, the contact position of described pilot head and coil is provided with sealing ring.
As a kind of preferred version of the present utility model, the head of described pilot head is fixedly installed in coil by nut.
As a kind of preferred version of the present utility model, described coil electrical connection intervalometer.
The beneficial effects of the utility model:
1. after coil electricity, pilot head absorption movable core moving, movable core is pulled by piston spring and moves on piston, and the channel conductive of valve inner, easy and simple to handle, piston movement is flexibly and fast；
2. piston is provided with pressure through hole, it is ensured that the intake tunnel of valve body and the chamber of valve gap do not exist pressure differential, it is not necessary to the biggest drive force piston moves, and can use under the environment such as vacuum, negative pressure, zero-pressure, and range is wide；
3. the contact position of pilot head and coil is provided with sealing ring, prevents the aqueous vapor of humidity from entering coil inside, increases service life；
4. when, after coil blackout, movable core resets under the elastic force effect of iron core spring, piston quick closedown valve body valve, it is active in one's movements.
Accompanying drawing explanation
Fig. 1 is axonometric chart of the present utility model；
Fig. 2 is exploded view of the present utility model；
Fig. 3 is half sectional view of the present utility model；
Fig. 4 is the zoomed-in view in Fig. 3 at I.
In figure, 1 valve body, 2 valve gaps, 3 pistons, 4 coils, 5 piston springs, 6 movable cores, 7 pilot head, 8 pressure through holes, 9 iron core springs.
Detailed description of the invention
Below in conjunction with the accompanying drawings, detailed description of the invention of the present utility model is described further:
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be for only for ease of description this utility model and simplifying and describe; rather than instruction or imply the position of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition can be regarded and understand above-mentioned term concrete meaning in the present invention.
As shown in Figures 1 to 3, a kind of direct acting piston electromagnetic valve, including valve body 1, valve gap 2, piston 3, coil 4, piston spring 5, movable core 6 and pilot head 7, valve gap 2 covers on valve body 1 top, valve gap 2 upper opening, piston 3 is placed in the cavity of valve body 1 and valve gap 2 composition, piston 3 connects movable core 6 by piston spring 5, movable core 6 head stretches out from valve gap 2 opening part and is set in pilot head 7 inner chamber, pilot head lower thread connects valve gap, pilot head 7 is fixed through coil 4 by nut, and the contact position of pilot head 7 and coil 4 is provided with sealing ring.
As shown in Figure 4, piston 3 is arranged over the piston step of cylinder, is provided with the iron core step of cylinder below movable core 6, and in the middle part of piston spring 5, wide two ends up and down are narrow, piston spring 5 lower end socket piston step；Upper end socket iron core step.After moving on movable core 6, stretching piston spring 5, piston spring 5 pulls piston 3, and movable core 6 is coordinated by piston spring 5 and iron core step and piston step, it is achieved with the linkage of piston 3, the junction of movable core 6 and pilot head 7 is provided with iron core spring 9.
Valve body 1 is provided with supplied gas or inflow entrance, passage and the flow export of fluid circulation, and under normality, piston 3 compresses close port, blocks the conducting of passage.Piston 3 is provided with pressure through hole 8, pressure through hole 8 connects valve body 1 intake tunnel and the confined space on valve gap 2 top, liquid enters the intake tunnel of valve body 1 from inflow entrance, the confined space on valve gap 2 top is flowed to through pressure through hole 8, the pressure at piston about 3 two ends is equal, ensure that piston 3 will not be washed open by bottom hydraulic pressure easily, also ensure that piston 3 could go up shifting without the biggest driving force simultaneously.For preventing liquid from flowing out at the gap between piston 3 and valve gap 2, being arranged with piston ring in the middle part of piston 3, piston ring plays the effect of sealing.
Operation principle of the present utility model: when electromagnetic valve to be opened, coil 4 is energized, pilot head 7 band is magnetic and adsorbs and moves on movable core 6, movable core 6 is pulled by piston spring 5 and moves on piston 3, piston 3 no longer compresses the valve of valve body 1, come round in valve body 1 inner passage, supplied gas or fluid flow communication；When electromagnetic valve to be closed, coil 4 power-off, movable core 6 resets under the elastic force effect of iron core spring 9, and piston 3 moves down, the valve of valve body 1.
In a word, direct acting piston electromagnetic valve of the present utility model, can be according to the operation of user, fast opening/closing valve, reasonable in design, piston spring 5 pulls piston 3 to move, flexible movements are quick, easy and simple to handle, additionally, piston 3 is provided with pressure through hole 8, and electromagnetic valve can use under the working environment of no pressure difference, it is ensured that the normal work of piston 3, range is wide, being applicable to different working environments, it is internal that sealing ring prevents dampness from entering coil 4, adds the long life.
Above content is to combine concrete preferred implementation further detailed description of the utility model; it cannot be assumed that of the present utility model being embodied as is confined to these explanations; for this utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (8)
1. a direct acting piston electromagnetic valve, including valve body, valve gap, piston and coil, valve body is provided with supplied gas or the inflow entrance of fluid circulation, passage and flow export, valve gap covers on valve body top, valve gap upper opening, piston is placed in the cavity of valve body and valve gap composition, piston moves up and down thus opens or closes the passage of valve body, it is characterized in that: electromagnetic valve also includes piston spring, movable core and pilot head, piston is arranged over the piston step of cylinder, the iron core step of cylinder it is provided with below movable core, in the middle part of piston spring, wide two ends up and down are narrow, piston spring lower end socket piston step；Upper end socket iron core step, movable core head stretches out from valve gap opening part and is set in pilot head inner chamber, and pilot head passes coil.
A kind of direct acting piston electromagnetic valve the most according to claim 1, it is characterised in that: described piston is provided with pressure through hole, pressure through hole connection valve body intake tunnel and valve upper part of the cover confined space.
A kind of direct acting piston electromagnetic valve the most according to claim 1, it is characterised in that: the junction of described movable core and pilot head is provided with iron core spring.
A kind of direct acting piston electromagnetic valve the most according to claim 1, it is characterised in that: described pilot head bottom is provided with external screw thread, and valve gap is provided with the female thread matched with external screw thread.
A kind of direct acting piston electromagnetic valve the most according to claim 1, it is characterised in that: it is arranged with piston ring in the middle part of described piston.
A kind of direct acting piston electromagnetic valve the most according to claim 1, it is characterised in that: the contact position of described pilot head and coil is provided with sealing ring.
A kind of direct acting piston electromagnetic valve the most according to claim 1, it is characterised in that: the head of described pilot head is fixedly installed in coil by nut.
A kind of direct acting piston electromagnetic valve the most according to claim 1, it is characterised in that: described coil electrical connection intervalometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620296825.7U CN205479639U (en) | 2016-04-11 | 2016-04-11 | Directly move piston solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620296825.7U CN205479639U (en) | 2016-04-11 | 2016-04-11 | Directly move piston solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205479639U true CN205479639U (en) | 2016-08-17 |
Family
ID=56644972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620296825.7U Expired - Fee Related CN205479639U (en) | 2016-04-11 | 2016-04-11 | Directly move piston solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205479639U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246496A (en) * | 2017-03-29 | 2017-10-13 | 厦门建霖工业有限公司 | A kind of switching device |
| CN110594479A (en) * | 2019-09-12 | 2019-12-20 | 江苏国富氢能技术装备有限公司 | Pilot-operated type electromagnetic valve in bottle mouth valve |
| CN113090771A (en) * | 2021-05-08 | 2021-07-09 | 威仕喜(浙江)流体技术有限公司 | Direct-acting electromagnetic valve |
| CN114263783A (en) * | 2022-01-27 | 2022-04-01 | 刘文华 | Valve plate opening and closing type sealing device |
-
2016
- 2016-04-11 CN CN201620296825.7U patent/CN205479639U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246496A (en) * | 2017-03-29 | 2017-10-13 | 厦门建霖工业有限公司 | A kind of switching device |
| CN107246496B (en) * | 2017-03-29 | 2024-03-08 | 厦门建霖健康家居股份有限公司 | Switching device |
| CN110594479A (en) * | 2019-09-12 | 2019-12-20 | 江苏国富氢能技术装备有限公司 | Pilot-operated type electromagnetic valve in bottle mouth valve |
| CN110594479B (en) * | 2019-09-12 | 2024-04-05 | 江苏国富氢能技术装备股份有限公司 | Pilot-operated electromagnetic valve in bottleneck valve |
| CN113090771A (en) * | 2021-05-08 | 2021-07-09 | 威仕喜(浙江)流体技术有限公司 | Direct-acting electromagnetic valve |
| CN114263783A (en) * | 2022-01-27 | 2022-04-01 | 刘文华 | Valve plate opening and closing type sealing device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20180411 |