CN205479378U - Directly move diaphragm formula solenoid valve - Google Patents
Directly move diaphragm formula solenoid valve Download PDFInfo
- Publication number
- CN205479378U CN205479378U CN201620296708.0U CN201620296708U CN205479378U CN 205479378 U CN205479378 U CN 205479378U CN 201620296708 U CN201620296708 U CN 201620296708U CN 205479378 U CN205479378 U CN 205479378U
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- Prior art keywords
- diaphragm
- valve
- valve body
- layer
- valve gap
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Abstract
The utility model relates to a directly move diaphragm formula solenoid valve, which comprises the following components: a valve body, a valve cove, diaphragm assembly, the driving spring, movable iron core, elder generation's top guide 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, diaphragm assembly arranges in the cavity of valve body and valve gap constitution, diaphragm assembly includes the clamp plate, a layer of film piece, second floor diaphragm and third tunic piece, clamp plate middle part bonding a layer of film piece, a layer of film piece middle part bonding second floor diaphragm, second floor diaphragm middle part bonding third tunic piece, the middle part lid of third tunic piece closes the valve of valve body, and the side contacts with valve body and valve gap all around, and the clamp plate stretches out suit in first top guide inner chamber through drive spring coupling movable iron core, movable iron core head 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 diaphragm 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,
It is used in industrial control system more and adjusts the direction of medium, flow, speed and other parameter.Electromagnetic valve divides according to operation principle
For Direct Action Type, step direct-acting type and pilot-operated type three kinds, wherein during direct-acting electromagnetic valve energising, solenoid produces electromagnetic force and checks on
Closing 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,
The most very easy to use, range is the widest.
Direct-acting electromagnetic valve presses the kind of closure member, is divided into piston type and diaphragm type two kinds, and wherein diaphragm electromagnetic valve leads to
Crossing in-migration on solenoid absorption diaphragm and open valve, the electromagnetic valve of this structure has the disadvantage that one is that diaphragm is the most upper and lower
Moving and open or close valve, diaphragm is easy to wear, and sealing is poor, and medium easily flows out from fray；Two is the electricity of existing structure
Magnet valve can install a sealing ring between valve body and valve gap additional, prevents from leaking, and assembles loaded down with trivial details；Three owing to diaphragm is in valve body
Chamber separates upper and lower two parts, and upper and lower two parts have pressure differential, diaphragm to move difficulty；Four is that electromagnetic valve lacks waterproof knot
Structure, the most easily scraps.
Utility model content
In order to solve that the diaphragm of direct acting diaphragm electromagnetic valve in prior art is easy to wear, poor air-tightness, assembling be loaded down with trivial details, diaphragm
The technical problem such as not easily shifted, this utility model provides a kind of novel diaphragm electromagnetic valve, and concrete technical scheme is as follows:
A kind of direct acting diaphragm electromagnetic valve, including valve body, valve gap, diaphragm unit, driving spring, movable core, pilot head
And coil, valve body is provided with supplied gas or inflow entrance, passage and the flow export of fluid circulation, and valve gap covers at valve body top, valve gap
Upper opening, diaphragm unit be placed in valve body and valve gap composition cavity in, diaphragm unit include pressing plate, ground floor diaphragm, second
Tunic sheet and third layer diaphragm, bond in the middle part of pressing plate ground floor diaphragm, and bond in the middle part of ground floor diaphragm second layer diaphragm, the second layer
Bond in the middle part of diaphragm third layer diaphragm, and the middle part of third layer diaphragm covers the valve of valve body；And surrounding side and valve body and valve gap phase
Contact, pressing plate connects movable core by driving spring, and movable core head stretches out from valve gap opening part and is set in pilot head
Inner chamber, pilot head passes coil.
Preferably, described ground floor diaphragm and third layer diaphragm use fluorubber to make, and second layer diaphragm uses polytetrafluoro
Ethylene is made.
Preferably, described pressing plate is arranged over the pressing plate step of cylinder, is provided with the iron core of cylinder below movable core
Step, in the middle part of driving spring, wide two ends up and down are narrow, driving spring lower end socket pressing plate step；Upper end socket iron core step.
Preferably, described third layer diaphragm is provided with pressure through hole, on the intake tunnel of pressure through hole connection valve body and valve gap
The confined space in portion.
Preferably, the junction of described movable core and pilot head is provided with iron core spring.
Preferably, described pilot head bottom is provided with external screw thread, and valve gap is provided with the female thread matched with external screw thread.
Preferably, the contact position of described pilot head and coil is provided with sealing ring.
Preferably, described coil electrical connection intervalometer.
The beneficial effects of the utility model: when using direct acting diaphragm electromagnetic valve of the present utility model, diaphragm unit is in activity
Can quickly open or close valve under the pulling of iron core, be active in one's movements reliable, trilamellar membrane chip architecture is the most easy to wear, and air-tightness is good,
Service life is long, and the surrounding side of third layer diaphragm contacts with valve body and valve gap, plays the effect of sealing ring, and assembling is quick, the
Trilamellar membrane sheet 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, diaphragm can vacuum,
Normally using under the environment such as negative pressure, zero-pressure, range is wide.
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 diaphragm units, 31 pressing plates, 32 ground floor diaphragms, 33 second tunics
Sheet, 34 third layer diaphragms, 4 driving springs, 5 movable cores, 6 pilot head, 7 coils, 8 iron core springs, 9 is fixed
Time device.
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, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term
Directly ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, be only
Must have specific for the ease of describing this utility model and simplification description rather than instruction or the position of hint indication or element
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " 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 " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly
Connect；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,
It 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 diaphragm electromagnetic valve, including valve body 1, valve gap 2, diaphragm unit 3, driving spring
4, movable core 5, pilot head 6 and coil 7, valve body 1 is provided with supplied gas or inflow entrance, passage and the flow export of fluid circulation, valve
Lid 2 covers on valve body 1 top, valve gap 2 upper opening, and diaphragm unit 3 is placed in the cavity of valve body 1 and valve gap 2 composition, diaphragm group
Part 3 covers the valve port of valve body 2 inner chamber, and movable core 5 is by driving spring 4 junctional membrane chip module 3, and movable core 5 head is from valve
Covering 2 opening parts and stretch out and be set in pilot head 6 inner chamber, pilot head 6 is through coil 7.
Concrete, as shown in Figure 4, diaphragm unit 3 includes pressing plate 31 from top to down, ground floor diaphragm the 32, second tunic
Sheet 33 and third layer diaphragm 34, bond in the middle part of pressing plate 31 ground floor diaphragm 32, and bond in the middle part of ground floor diaphragm 32 second layer diaphragm
33, bond in the middle part of second layer diaphragm 33 third layer diaphragm 34, and the middle part of third layer diaphragm 34 covers the valve of valve body 1；And surrounding
Side contacts with valve body 1 and valve gap 2, and valve body 1 and valve gap 2 are connected by screw one, the work of 34 sealing rings of third layer diaphragm
With, prevent water from flowing out from the connection gap of valve body 1 and valve gap 2, and close without additionally installing additional when assembling valve body 1 and valve gap 2
Seal, reduces assembly process and production cost.Ground floor diaphragm 32 prevents pressing plate 31 from directly directly contacting with third layer diaphragm 34,
The surface of protection third layer diaphragm 34 is the most frayed, and second layer diaphragm 33 completely cuts off ground floor diaphragm 32 and third layer diaphragm 34, anti-
The most mutually bonding, compresses the valve port of valve body 1 bottom third layer diaphragm 34, prevent water from flowing out from valve port.Ground floor diaphragm 32 and
Trilamellar membrane sheet 34 uses fluorubber to make, and has the advantages such as stability is strong, aging resistance, mechanical property are good, and service life is long；And the
Two tunic sheets use politef to make, and coefficient of friction is low, insoluble in major part solvent, prevent ground floor diaphragm and third layer
Diaphragm bonding and one.
Concrete, pressing plate 31 is arranged over the pressing plate step of cylinder, is provided with the iron core platform of cylinder below movable core 5
Rank, in the middle part of driving spring 4, wide two ends up and down are narrow, driving spring 4 lower end socket pressing plate step；And upper end socket iron core step, live
Moving stretching driving spring 4 on dynamic iron core 5, driving spring 4 pulls diaphragm unit 3 to move, and opens valve port, electric conduction magnet valve, activity
Iron core 5 is coordinated by driving spring 4 and pressing plate step and iron core step, it is achieved with being synchronized with the movement of diaphragm unit 3.And it is movable
The junction of iron core 5 and pilot head 6 is provided with iron core spring 8, and iron core spring 8 acts primarily as the effect of reset.
In order to ensure that the motion of third layer diaphragm 34 is not affected by body cavity top and the bottom pressure differential, third layer diaphragm
34 are provided with pressure through hole 35, and pressure through hole 35 connects intake tunnel and the confined space on valve gap 2 top of valve body 1, makes third layer
Diaphragm 34 is in an equal external environment condition of pressure, will not unclamp suddenly because of the hydraulic pressure of bottom, does not compresses valve port or needs
The biggest driving force could be gone up shifting and open valve port.
Pilot head 6 bottom is provided with external screw thread, and valve gap 2 is provided with the female thread matched with external screw thread, and pilot head 6 is threaded
Valve gap 2, convenient dismounting.The contact position of pilot head 6 and coil 7 is provided with sealing ring, prevents outside aqueous vapor from entering.Coil 7 is electrically connected
Connecing intervalometer 9, intervalometer 9 can be automatically adjusted the power on/off time of coil 7, thus the keying of electromagnetic valve for adjusting.
Operation principle of the present utility model: when using direct acting diaphragm electromagnetic valve of the present utility model, when valve opened by needs
Mouthful, coil 7 is energized, and pilot head 6 band is magnetic and adsorbs and moves on movable core 5, and movable core 5 pulls film by driving spring 4
On chip module 3 move, third layer diaphragm 34 with on move no longer compress valve body 1 valve port, water is from the direction of arrow inflow and outflow of Fig. 3
1 electromagnetic valve；When wanting close port, coil 7 power-off, movable core 5 moves down in the elastic force effect of iron core spring 8, diaphragm unit 3
In third layer diaphragm 34 move down, compress valve port.
In a word, diaphragm electromagnetic valve of the present utility model has the following advantages；
1. service life is long, and diaphragm uses three-decker, the most easy to wear, can effectively close valve port, prevent water from valve port
Flow out；
2. after coil electricity, movable core can quickly pull diaphragm unit to move by driving spring, easy and simple to handle, motion
Flexibly and fast；
3. pressure through hole can effectively ensure 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 diaphragm unit moves, and can use under the environment such as vacuum, negative pressure, zero-pressure, and range is wide；
4. third layer diaphragm surrounding side contacts with valve body 1 and valve gap 2, prevents water from the gap between valve body 1 and valve gap 2
Spilling, air-tightness is strong；
5. the contact position of pilot head and coil is provided with sealing ring, prevents the aqueous vapor of humidity from entering coil inside, and increase makes
Use the life-span；
Above content is to combine concrete preferred implementation further detailed description of the utility model, it is impossible to
Assert that of the present utility model being embodied as is confined to these explanations, for the ordinary skill of this utility model art
For personnel, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, all should regard
For belonging to protection domain of the present utility model.
Claims (8)
1. a direct acting diaphragm electromagnetic valve, including valve body, valve gap, diaphragm unit, driving spring, movable core, pilot head and
Coil, valve body is provided with supplied gas or inflow entrance, passage and the flow export of fluid circulation, and valve gap covers on valve body top, on valve gap
Side's opening, diaphragm unit is placed in the cavity of valve body and valve gap composition, it is characterised in that: diaphragm unit includes pressing plate, ground floor
Diaphragm, second layer diaphragm and third layer diaphragm, bond in the middle part of pressing plate ground floor diaphragm, and bond in the middle part of ground floor diaphragm the second tunic
Sheet, bond in the middle part of the second layer diaphragm third layer diaphragm, and the middle part of third layer diaphragm covers the valve of valve body；And surrounding side and valve body
Contacting with valve gap, pressing plate connects movable core by driving spring, and movable core head stretches out from valve gap opening part and is set with
In pilot head inner chamber, pilot head passes coil.
A kind of direct acting diaphragm electromagnetic valve the most according to claim 1, it is characterised in that: described ground floor diaphragm and the 3rd
Tunic sheet uses fluorubber to make, and second layer diaphragm uses politef to make.
A kind of direct acting diaphragm electromagnetic valve the most according to claim 1, it is characterised in that: described pressing plate is arranged over cylinder
The pressing plate step of shape, is provided with the iron core step of cylinder below movable core, in the middle part of driving spring, wide two ends up and down are narrow, drive bullet
Spring lower end socket pressing plate step；Upper end socket iron core step.
A kind of direct acting diaphragm electromagnetic valve the most according to claim 1, it is characterised in that: described third layer diaphragm is provided with pressure
Power through hole, the intake tunnel of pressure through hole connection valve body and valve upper part of the cover confined space.
A kind of direct acting diaphragm electromagnetic valve the most according to claim 1, it is characterised in that: described movable core and pilot head
Junction be provided with iron core spring.
A kind of direct acting diaphragm electromagnetic valve the most according to claim 1, it is characterised in that: outside described pilot head bottom is provided with
Screw thread, valve gap is provided with the female thread matched with external screw thread.
A kind of direct acting diaphragm electromagnetic valve the most according to claim 1, it is characterised in that: connecing of described pilot head and coil
Synapsis is provided with sealing ring.
A kind of direct acting diaphragm electromagnetic valve the most according to claim 1, it is characterised in that: the electrical connection timing of described coil
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620296708.0U CN205479378U (en) | 2016-04-11 | 2016-04-11 | Directly move diaphragm formula solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620296708.0U CN205479378U (en) | 2016-04-11 | 2016-04-11 | Directly move diaphragm formula solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205479378U true CN205479378U (en) | 2016-08-17 |
Family
ID=56644934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620296708.0U Expired - Fee Related CN205479378U (en) | 2016-04-11 | 2016-04-11 | Directly move diaphragm formula solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205479378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360346A (en) * | 2019-07-29 | 2019-10-22 | 江苏仅一联合智造有限公司 | A kind of fast reaction flow valve |
-
2016
- 2016-04-11 CN CN201620296708.0U patent/CN205479378U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360346A (en) * | 2019-07-29 | 2019-10-22 | 江苏仅一联合智造有限公司 | A kind of fast reaction flow valve |
| CN110360346B (en) * | 2019-07-29 | 2024-05-14 | 江苏仅一联合智造有限公司 | Quick reaction flow 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20180411 |