CN206468838U - A kind of step direct-acting type electromagnetic valve - Google Patents
A kind of step direct-acting type electromagnetic valve Download PDFInfo
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- CN206468838U CN206468838U CN201720179943.4U CN201720179943U CN206468838U CN 206468838 U CN206468838 U CN 206468838U CN 201720179943 U CN201720179943 U CN 201720179943U CN 206468838 U CN206468838 U CN 206468838U
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Abstract
The utility model discloses a kind of step direct-acting type electromagnetic valve, include and offer air inlet and gas outlet on the valve body and bonnet being adapted, valve body, air inlet is connected with inlet chamber, and gas outlet is connected with outlet chamber, it is characterized in that：Bonnet top is equipped with electromagnet assembly, diaphragm unit is provided between valve body and bonnet, diaphragm unit includes diaphragm, valve element and compressing member, the upper surface of compressing member and diaphragm is affixed, and the bottom of valve element is together assemblied in diaphragm, the periphery of diaphragm is fixed between valve body and bonnet, the air passing hole being connected with inlet chamber is provided with diaphragm, valve element is provided centrally with steam vent, the upper end of valve element is engaged to form the first valve port with the lower end of the dynamic iron core of electromagnet assembly, and the lower surface of diaphragm is engaged to form the second valve port with valve body；It is located in bonnet above the diaphragm and is provided with stainless steel platen.It the advantage is that：Rational in infrastructure, service life is long, and maintenance cost is low.
Description
Technical field
The utility model is related to magnetic valve manufacturing technology field, especially a kind of step direct-acting type electromagnetic valve.
Background technology
General magnetic valve is made up of magnet exciting coil, secured core, compression spring, movable core, valve body etc..Its work is former
Manage and be, when magnet exciting coil no power, the seal head of secured core is in compression spring and the back pressure effect of valve air inlet medium
Under, close valve.It is powered when to magnet exciting coil, electromagnetic force overcomes the anti-work of compression spring and the back pressure of valve air inlet medium
Firmly, make movable core toward movement at secured core, until two plane adhesives, now valve is in open mode.
Step direct-acting type electromagnetic valve, it is typically set in the principle that a kind of direct acting and pilot-operated type are combined, its magnetic valve
There are the first valve port and the second valve port, by controlling the pressure differential in magnetic valve in each cavity, progressively open the first valve port and second
Valve port, so as to realize the purpose that substep is opened.Present part step direct-acting type electromagnetic valve realizes valve port using diaphragm unit
Open and close, and when magnetic valve is opened, diaphragm produces deformation and is chronically at deformed state, is caused due to long-term auxetic
Its service life is short, influences the stable operation of step direct-acting type electromagnetic valve, adds its maintenance cost, thus its structure need into
One step is improved.
The content of the invention
Technical problem to be solved in the utility model be for prior art present situation there is provided rational in infrastructure, use the longevity
Life length, a kind of low step direct-acting type electromagnetic valve of maintenance cost.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：
A kind of step direct-acting type electromagnetic valve, includes and air inlet is offered on the valve body and bonnet being adapted, valve body and is gone out
Gas port, air inlet is connected with inlet chamber, and gas outlet is connected with outlet chamber, it is characterized in that：Bonnet top is equipped with electromagnet
Component, is provided with diaphragm unit between valve body and bonnet, diaphragm unit includes diaphragm, valve element and compressing member, compressing member and film
The upper surface of piece is affixed, and is together assemblied in diaphragm the bottom of valve element, and the periphery of diaphragm is fixed between valve body and bonnet, film
It is provided with the air passing hole being connected with inlet chamber on piece, valve element is provided centrally with steam vent, upper end and the electromagnet group of valve element
The lower end of the dynamic iron core of part is engaged to form the first valve port, and the lower surface of diaphragm is engaged to form the second valve port with valve body；Bonnet
It is interior to be provided with stainless steel platen above the diaphragm.
The technical measures of optimization also include：
Above-mentioned electromagnet assembly includes shell, coil brace, the coil being wound on coil brace, is assemblied in coil branch
Dynamic iron core that the sleeve pipe at frame center, sleeve pipe interior energy are moved up and down and the static iron core for being fixed on sleeve upper end, static iron core and dynamic iron
Dynamic iron core spring is provided between core.
The top exterior of the lower end of above-mentioned dynamic iron core and the valve element is furnished with an extension spring, and the lower end of dynamic iron core is set
There is crook, the upper end of extension spring is engaged with crook, an annular groove, the lower end of extension spring are provided with the middle part of valve element
It is engaged with annular groove.
The section of above-mentioned stainless steel platen is in "eight" shape structure, lower surface and the diaphragm phase of the outer of stainless steel platen
Patch.
The central upper portion of above-mentioned dynamic iron core is provided with spring retention chamber, and the bottom of dynamic iron core spring is as the spring retention
Intracavitary.
The lower end of above-mentioned dynamic iron core is equipped with sealing gasket, and sealing gasket is engaged with first valve port.
Above-mentioned valve element is located at the tapered structure in periphery of the first valve port.
It is in arc-shaped structure that above-mentioned valve body, which is located at the second valve port,.
Mount support is provided with outside the bottom of above-mentioned sleeve pipe, the mount support is mutually fixed with bonnet.
Sealing gasket is provided between above-mentioned mount support and bonnet.
A kind of step direct-acting type electromagnetic valve of the utility model, rational in infrastructure, this magnetic valve is provided with the first valve port and second
Valve port, gas enters inlet chamber from air inlet, then by formed above the air passing hole entrance diaphragm on diaphragm air pressure by diaphragm with
Valve body is compressed, and after electromagnet is powered, dynamic iron core is moved upwards, so that the first valve port opening, and the gas above diaphragm is from row
Stomata is excluded, and air pressure reduces above diaphragm, and the second valve port is opened, and the gas in inlet chamber just can be directly through outlet chamber from gas outlet
Exclude, be so also achieved that the substep of magnetic valve is opened；This magnetic valve, which is located in bonnet above the diaphragm, to be provided with
Stainless steel platen, can avoid the permanent auxetic of diaphragm, can extend the service life of diaphragm, reduce the maintenance of magnetic valve into
This；Meanwhile, the setting of stainless steel platen also plays position-limiting action, limits the convex amplitude of diaphragm, makes each magnetic valve
During opening, diaphragm can be co-located, can keep the uniformity of each magnetic valve opening degree.
Brief description of the drawings
Fig. 1 is cross section structure diagram of the present utility model；
Fig. 2 is I portions enlarged drawing in Fig. 1；
Fig. 3 is II enlarged drawing in Fig. 1.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
It is structural representation of the present utility model as shown in Figure 1 to Figure 3,
Reference therein is：First valve port a, the second valve port b, valve body 1, air inlet 11, inlet chamber 11a, gas outlet
12nd, outlet chamber 12a, bonnet 2, shell 31, coil brace 32, coil 33, sleeve pipe 34, dynamic iron core 35, crook 35a, spring hold
Put chamber 35b, sealing gasket 35c, static iron core 36, dynamic iron core spring 37, mount support 38, diaphragm 41, air passing hole 41a, valve element 42, row
Stomata 42a, annular groove 42b, compressing member 43, stainless steel platen 5, extension spring 6, sealing gasket 7.
As shown in Figure 1 to Figure 3,
A kind of step direct-acting type electromagnetic valve, includes and offers air inlet 11 on the valve body 1 and bonnet 2 being adapted, valve body 1
With gas outlet 12, air inlet 11 is connected with inlet chamber 11a, and gas outlet 12 is connected with outlet chamber 12a, it is characterized in that：Bonnet 2
Top is equipped with electromagnet assembly, and diaphragm unit is provided between valve body 1 and bonnet 2, and diaphragm unit includes diaphragm 41, valve element 42
And compressing member 43, the upper surface of compressing member 43 and diaphragm 41 is affixed, and is together assemblied in diaphragm 41 bottom of valve element 42, film
The periphery of piece 41 is fixed between valve body 1 and bonnet 2, and the air passing hole 41a being connected with inlet chamber 11a is provided with diaphragm 41,
Valve element 42 is provided centrally with steam vent 42a, and the upper end of valve element 42 is engaged shape with the lower end of the dynamic iron core 35 of electromagnet assembly
Into the first valve port a, the lower surface of diaphragm 41 is engaged to form the second valve port b with valve body 1；Positioned at the diaphragm 41 in bonnet 2
Top is provided with stainless steel platen 5.
In embodiment, electromagnet assembly include shell 31, coil brace 32, be wound on coil brace 32 coil 33,
It is assemblied in the sleeve pipe 34 at the center of coil brace 32, the dynamic iron core 35 that the interior energy of sleeve pipe 34 is moved up and down and is fixed on the upper end of sleeve pipe 34
Static iron core 36, dynamic iron core spring 37 is provided between static iron core 36 and dynamic iron core 35.
In embodiment, the top exterior of the lower end of dynamic iron core 35 and the valve element 42 is furnished with an extension spring 6, dynamic iron core 35
Lower end be provided with crook 35a, the upper end of extension spring 6 is engaged with crook 35a, and the middle part of valve element 42 is provided with a ring
Shape groove 42b, the lower end of extension spring 6 is engaged with annular groove 42b.
Extension spring 6 is set to increase the linkage of dynamic iron core 35 and diaphragm unit component, so as to strengthen magnetic valve
Sensitivity.
In embodiment, the section of stainless steel platen 5 is in "eight" shape structure, the lower surface of the outer of stainless steel platen 5 with
Diaphragm 41 is affixed.
The inclined-plane of the bottom of stainless steel platen 5, makes diaphragm 41 is convex to allow to preferably fit with stainless steel platen 5, energy
Enough improve the service life of diaphragm 41；Stainless steel platen 5 can also play position-limiting action, that is, limit the convex degree of diaphragm 41,
When making each magnetic valve unlatching, diaphragm 41 can be convex to same position, so ensure that the uniformity that magnetic valve is opened.
In embodiment, the central upper portion of dynamic iron core 35 is provided with spring retention chamber 35b, the bottom of dynamic iron core spring 37 as
In spring retention chamber 35b.Set spring retention chamber 35b that the structure of whole magnetic valve can be made more compact.
In embodiment, the lower end of dynamic iron core 35 is equipped with sealing gasket 35c, sealing gasket 35c and the first valve port a matching
Close.Sealing gasket 35c setting ensure that the sealing at the first valve port a.
In embodiment, valve element 42 is located at the first valve port a tapered structure in periphery.
In embodiment, it is in arc-shaped structure that valve body 1, which is located at the second valve port b,.
Pyramidal structure at first valve port a and the arc-shaped structure at the second valve port b, its effect are identical, are provided to subtract
The contact surface of correlated parts at small sealing, reduces the processing request of contact surface, reduces processing cost.
In embodiment, mount support 38 is provided with outside the bottom of sleeve pipe 34, the mount support 38 is mutually fixed with bonnet 2.
In embodiment, sealing gasket 7 is provided between mount support 38 and bonnet 2.The setting of sealing gasket 7, it is ensured that assembling
Sealing between support 38 and bonnet 2.
Operation principle：
In the case where electromagnet is not powered on, dynamic iron core 35 is moved to lower limit in the presence of dynamic iron core spring 37, moves
The sealing gasket 35c of the lower end of iron core 35 is close to the first valve port a phases so as to which the first valve port a be closed, meanwhile, dynamic iron core 35 promotes film
The valve element 42 of piece component is moved downward, and is affixed the valve port b of diaphragm 41 and second to close the second valve port b.
Gas enters inlet chamber 11a from air inlet 11, then above the air passing hole 41a entrance diaphragms 41 of diaphragm 41, due to
At this moment the first valve port a is to close, and gas produces air pressure in the constantly aggregation of the top of diaphragm 41, and the air pressure of the top of diaphragm 41 is by film
Piece 41 is more tightly pressed on the second valve port b, so as to ensure that the second valve port b sealing.
When producing electromagnetic force after electromagnet energization, make dynamic iron core 35 overcome the elastic force of dynamic iron core spring 37 to move upwards, make
The lower end of dynamic iron core 35 departs from the first valve port a, so that the first valve port a is opened；The gas of the top of diaphragm 41 is from valve element 42
The steam vent 42a discharges of the heart, so that the air pressure of the top of diaphragm 41 reduces；Air pressure with the top of diaphragm 41 reduces, diaphragm 41
Depart from the second valve port b so that the second valve port b is opened.After the second valve port b is opened, gas is just directly from inlet chamber 11a warps
Outlet chamber 12a is discharged from gas outlet 12.
Because the lower end of dynamic iron core 35 and the top exterior of valve element 42 are furnished with extension spring 6, moved upwards in dynamic iron core 35
When, extension spring 6 is stretched, and the pulling force produced after stretching of extension spring 6 can accelerate the upward motion of valve element 42, so that plus
Fast second valve port b opening speed, improves the response speed of magnetic valve.
This magnetic valve is applicable not only to gas medium, is applied equally to water or oil.
Most preferred embodiment of the present utility model has been illustrated, the various change or remodeling made by those of ordinary skill in the art
All without departing from scope of the present utility model.
Claims (10)
1. a kind of step direct-acting type electromagnetic valve, includes and is opened up on the valve body (1) and bonnet (2) being adapted, described valve body (1)
There are air inlet (11) and gas outlet (12), air inlet (11) is connected with inlet chamber (11a), gas outlet (12) and outlet chamber
(12a) is connected, it is characterized in that：Described bonnet (2) top is equipped with electromagnet assembly, described valve body (1) and bonnet (2)
Between be provided with diaphragm unit, described diaphragm unit includes diaphragm (41), valve element (42) and compressing member (43), described pressure
The upper surface of tight part (43) and diaphragm (41) is affixed, and is together assemblied in diaphragm (41) bottom of valve element (42), described film
The periphery of piece (41) is fixed between valve body (1) and bonnet (2), is provided with described diaphragm (41) and inlet chamber (11a) phase
The air passing hole (41a) of connection, described valve element (42) is provided centrally with steam vent (42a), the upper end of described valve element (42)
Be engaged to form the first valve port (a) with the lower end of the dynamic iron core (35) of electromagnet assembly, the lower surface of described diaphragm (41) with
Valve body (1) is engaged to form the second valve port (b)；Be located in described bonnet (2) above the diaphragm (41) be provided with it is stainless
Keeper plate of steel (5).
2. a kind of step direct-acting type electromagnetic valve according to claim 1, it is characterized in that：Described electromagnet assembly includes outer
Shell (31), coil brace (32), the coil (33) being wound on coil brace (32), the set for being assemblied in coil brace (32) center
Manage (34), the dynamic iron core (35) that sleeve pipe (34) interior energy is moved up and down and the static iron core (36) for being fixed on sleeve pipe (34) upper end, institute
Dynamic iron core spring (37) is provided between the static iron core (36) and dynamic iron core (35) stated.
3. a kind of step direct-acting type electromagnetic valve according to claim 2, it is characterized in that：The lower end of described dynamic iron core (35)
It is furnished with an extension spring (6) with the top exterior of the valve element (42), the lower end of described dynamic iron core (35) is provided with crook
(35a), the upper end of extension spring (6) is engaged with crook (35a), and an annular groove is provided with the middle part of described valve element (42)
(42b), the lower end of extension spring (6) is engaged with annular groove (42b).
4. a kind of step direct-acting type electromagnetic valve according to claim 3, it is characterized in that：Described stainless steel platen (5)
Section is in "eight" shape structure, and the lower surface of the outer of described stainless steel platen (5) is affixed with diaphragm (41).
5. a kind of step direct-acting type electromagnetic valve according to claim 4, it is characterized in that：The top of described dynamic iron core (35)
Spring retention chamber (35b) is provided centrally with, the bottom of described dynamic iron core spring (37) is interior as the spring retention chamber (35b).
6. a kind of step direct-acting type electromagnetic valve according to claim 5, it is characterized in that：The lower end of described dynamic iron core (35)
Sealing gasket (35c) is equipped with, described sealing gasket (35c) is engaged with first valve port (a).
7. a kind of step direct-acting type electromagnetic valve according to claim 6, it is characterized in that：Described valve element (42) is located at first
The tapered structure in periphery of valve port (a).
8. a kind of step direct-acting type electromagnetic valve according to claim 7, it is characterized in that：Described valve body (1) is located at second
Valve port (b) is in arc-shaped structure.
9. a kind of step direct-acting type electromagnetic valve according to claim 8, it is characterized in that：Outside the bottom of described sleeve pipe (34)
Mount support (38) is provided with, the mount support (38) is mutually fixed with bonnet (2).
10. a kind of step direct-acting type electromagnetic valve according to claim 9, it is characterized in that：Described mount support (38) with
Sealing gasket (7) is provided between bonnet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720179943.4U CN206468838U (en) | 2017-02-27 | 2017-02-27 | A kind of step direct-acting type electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720179943.4U CN206468838U (en) | 2017-02-27 | 2017-02-27 | A kind of step direct-acting type electromagnetic valve |
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| Publication Number | Publication Date |
|---|---|
| CN206468838U true CN206468838U (en) | 2017-09-05 |
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ID=59712929
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720179943.4U Active CN206468838U (en) | 2017-02-27 | 2017-02-27 | A kind of step direct-acting type electromagnetic valve |
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| CN (1) | CN206468838U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678388A (en) * | 2017-02-27 | 2017-05-17 | 曹可星 | Step-by-step direct-acting electromagnetic valve |
| CN109599247A (en) * | 2018-12-11 | 2019-04-09 | 大连海事大学 | A kind of displacement self-test switch electromagnet |
-
2017
- 2017-02-27 CN CN201720179943.4U patent/CN206468838U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678388A (en) * | 2017-02-27 | 2017-05-17 | 曹可星 | Step-by-step direct-acting electromagnetic valve |
| CN109599247A (en) * | 2018-12-11 | 2019-04-09 | 大连海事大学 | A kind of displacement self-test switch electromagnet |
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