CN208619823U - A kind of double magnetic bi-stable pulse electromagnetic valves - Google Patents
A kind of double magnetic bi-stable pulse electromagnetic valves Download PDFInfo
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- CN208619823U CN208619823U CN201821339138.4U CN201821339138U CN208619823U CN 208619823 U CN208619823 U CN 208619823U CN 201821339138 U CN201821339138 U CN 201821339138U CN 208619823 U CN208619823 U CN 208619823U
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- diaphragm
- double magnetic
- electromagnetic valves
- iron core
- middle cover
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Abstract
The utility model relates to a kind of double magnetic bi-stable pulse electromagnetic valves, including valve seat, valve body and core assembly, valve seat is equipped with inlet and outlet, valve seal is mounted on the main channel in valve seat and with connection inlet and outlet, core assembly is sealingly mounted in valve body, for controlling the on-off of main channel, wherein, core assembly includes diaphragm, anti-blocking needle, middle cover and double magnetic electromagnetic actuating mechanisms, diaphragm arrangement is between middle cover and the entrance of main channel and is equipped with inlet opening, anti-blocking needle is arranged in inlet opening, transformation chamber is formed between diaphragm and middle cover, it is greater than the surface area of opposite side in the surface area of the diaphragm of transformation chamber side, in be covered with the pressure release passage being connected to transformation chamber, double magnetic electromagnetic actuating mechanisms are used to control the on-off of pressure release passage, so that diaphragm closes or opens main lead to by the pressure change of transformation chamber The entrance in road.The structure design of the utility model is reasonable, has many advantages, such as that small in size, flow is big, anti-pollution is strong, can be suitable for various water quality.
Description
Technical field
The utility model relates to solenoid valves, more particularly to a kind of double magnetic bi-stable pulses suitable for sanitary bath equipment
Magnet valve.
Background technique
On the market, applied to Intelligent bathroom, the solenoid valve of sensing sanitary appliance, based on bi-stable pulse electromagnetic valve.And it is current
The manufacturer of bi-stable pulse electromagnetic valve and client indicate helpless to Chinese water quality and pipeline construction status.Firstly, state instantly
The water quality of interior tap water is irregular, and impurities in water is more.Further more, new clothes pipeline is due to the rubbish that carries in work progress
Under the action of water impact, become fine debris, especially paper scrap, cotton-wool, hair.Separately there is the secondary dirt of water supply pipe
Dye, such as underproof plastic conduit aging, plastic flash itself fall off, caused by plastic grain tiny in water.These are thin
Small impurity is adsorbed on the sealing face on dynamic iron core sealing element or pressure release mouth by pressure release passage, causes seal failure, solenoid valve
Therefore water failure is closed.
Summary of the invention
The utility model is intended to provide a kind of double magnetic bi-stable pulse electromagnetic valves, to solve the above technical problems.For this purpose,
The specific technical solution that the utility model uses is as follows:
A kind of double magnetic bi-stable pulse electromagnetic valves, including valve seat, valve body and core assembly, the valve seat are equipped with water inlet
And water outlet, the valve seal are mounted in the valve seat and have the master for being connected to the water inlet and the water outlet logical
Road, the core assembly are sealingly mounted in the valve body, for controlling the on-off of the main channel, wherein the spool group
Part includes diaphragm, anti-blocking needle, middle cover and double magnetic electromagnetic actuating mechanisms, and the diaphragm arrangement is in the middle cover and the main channel
Entrance between and be equipped with inlet opening, the anti-blocking needle is arranged in the inlet opening, shape between the diaphragm and the middle cover
At there is transformation chamber, be greater than the surface area of opposite side in the surface area of the diaphragm of transformation chamber side, it is described in be covered with
The pressure release passage being connected to the transformation chamber, double magnetic electromagnetic actuating mechanisms are used to control the on-off of the pressure release passage,
So that the diaphragm closes or opens the entrance of the main channel by the pressure change of the transformation chamber.
Further, double magnetic electromagnetic actuating mechanisms include shell and be arranged in the intracorporal permanent magnet of the shell,
Coil, bobbin, static iron core, dynamic iron core, plug and magnetic guiding loop, the housing seal are bonded in the valve body, the coil
It is wrapped on the bobbin and is connect with excitation power supply, the static iron core and the dynamic iron core are threaded through in the bobbin simultaneously
And reset spring is equipped between it, the permanent magnet is arranged on the end of the bobbin of the dynamic iron core side, described
Magnetic guiding loop one end is contacted with the permanent magnet, and the other end is socketed on the static iron core, the plug be fixedly mounted on it is described
Reset spring on the contrary to the dynamic iron core end face on, realize the pressure release for cooperating with the entrance of the pressure release passage
The on-off in channel.
Further, the core assembly further includes diaphragm spring, and described diaphragm spring one end abuts the middle cover, another
End abuts the diaphragm.Diaphragm spring can accelerate the reset of diaphragm, and then realize quick sealing.
Preferably, the diaphragm spring and anti-blocking aciculiform are integral, in order to install.
Further, the core assembly further includes filter screen, the filter screen by diaphragm spring be supported on it is described
The exit of the transformation chamber of the entrance connection of pressure release passage.This can block pressure release passage and absorption to avoid the impurity in water
Seal failure is caused on the sealing face of plug or pressure release passage entrance, solenoid valve closes water failure.
Preferably, the water inlet and the water outlet are at 90 degree, and the entrance of the main channel and the water inlet are same
Axis, and the outlet of the main channel is the circumferentially distributed several through-holes being connected to the water outlet.That is, having interior into outgoing
Structure, problem of water hammer, while increased flow capacity can be effectively prevented.
Preferably, valve seat, valve body, shell and middle cover are made of ABS plastic, PPS plastics or PPA plastics etc., for example, passing through
Low pressure injection formaing.This improves the integral strength of the utility model, and service life extends.
Preferably, the pulse width of the excitation power supply is 3 milliseconds to 5 milliseconds.Therefore, power consumption is lower, and battery life prolongs
It is long.
The utility model by adopting the above technical scheme, has the beneficial effect that the structure design of the utility model is reasonable, tool
Have the advantages that small in size, flow is big, anti-pollution is strong, various water quality can be suitable for.
Detailed description of the invention
To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings are in the utility model discloses
A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and sheet are practical new
The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
Fig. 1 is the perspective view according to double magnetic bi-stable pulse electromagnetic valves of the utility model embodiment；
Fig. 2 is the exploded view of double magnetic bi-stable pulse electromagnetic valves shown in FIG. 1；
Fig. 3 is the cross-sectional view for the double magnetic bi-stable pulse electromagnetic valves shown in FIG. 1 being in close state；
Fig. 4 is the cross-sectional view of double magnetic bi-stable pulse electromagnetic valves shown in FIG. 1 in the open state.
Specific embodiment
Now in conjunction with the drawings and specific embodiments, the present invention will be further described.
In the description of the present invention, it should be understood that term " on ", "lower", "vertical", "horizontal", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the utility model and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
As shown in Figure 1-3, a kind of double magnetic bi-stable pulse electromagnetic valves 1 include valve seat 10, valve body 20 and core assembly 30.
Valve seat 10 is hollow cylindrical structure, and is equipped with water inlet 110 and water outlet 120.Wherein, water inlet 110 and water outlet 120 at
90 degree.Valve body 20 is threaded in valve seat 10, and prevents leak by the first sealing ring 40.That is, the sealing installation of valve body 20
In valve seat 10.It is easy for assemble or unload since valve seat 10 and valve body 20 use screw connection structure.Valve body 20 has connection
The main channel of water inlet 110 and water outlet 120.Specifically, the entrance 210 and water inlet 110 of main channel are coaxial, and main channel
Outlet 220 is the circumferentially distributed several through-holes being connected to water outlet 120.That is, main channel is with interior into outgoing structure, energy
Enough effectively prevent problem of water hammer, while increased flow capacity.Core assembly 30 is sealingly mounted in valve body 10, for controlling the master
The on-off in channel.Core assembly 30 will be described in detail below.
As in Figure 2-4, core assembly 30 may include diaphragm 310, anti-blocking needle 320, middle cover 330 and double magnetic electromagnetic activations
Mechanism 340.Diaphragm 310 is arranged between middle cover 330 and the entrance 210 of main channel and is equipped with inlet opening 311.Diaphragm 310 has
Biggish upper surface and lesser lower surface, that is, top surface area is greater than following table area.Therefore, diaphragm 310 can be in the work of pressure difference
The entrance 210 of main channel is sealed under.Anti-blocking needle 320 is arranged in inlet opening 311.The upper surface of diaphragm 310 and middle cover 330
Transformation chamber 350 is formed between lower end.Middle cover 330 is equipped with the pressure release passage 331 being connected to transformation chamber 350.Pressure release passage 331
Entrance 331a is located in the upper surface of middle cover, and outlet 331b is located at the side of middle cover, and is connected to water outlet 120.Double magnetic electricity
Magnetic actuation mechanism 340 is arranged in 330 top (side opposite with diaphragm 310) of middle cover, for controlling the logical of pressure release passage 331
It is disconnected, so that diaphragm 310 closes or opens the entrance 210 of main channel by the pressure change of transformation chamber 350.
Specifically, double magnetic electromagnetic actuating mechanisms 340 may include shell 341 and the permanent magnet that is arranged in shell 341
342, coil 343, bobbin 344, static iron core 345, dynamic iron core 346, plug 347 and magnetic guiding loop 348.Shell 341 is sealingly engaged
In valve body 20, specifically, 341 lower end of shell is connect by the second sealing ring 50 with the sealing of middle cover 330 being mounted in valve body 20
It closes.Coil 343 is wrapped on bobbin 344 and connect with excitation power supply (not shown), such as passes through connecting line 360.Bobbin
344 upper and lower sides pass through the sealing of sealing ring 60 and 70 respectively, to prevent leak-stopping water.Static iron core 345 and dynamic iron core 346 are threaded through bobbin
Reset spring 349 is equipped in 344 and between it.Permanent magnet 342 is arranged on the lower end of bobbin 344 (that is, dynamic iron core
346 sides).Permanent magnet 342 is the magnet ring made of magnet, to be set on the lower end of bobbin 344.Magnetic guiding loop 348 1
End is contacted with permanent magnet 342, and the other end is socketed on the static iron core.Therefore, static iron core 345 can be magnetized by permanent magnet 342.Cause
This, dynamic iron core 346 is under the dual magneticaction of electromagnetic force and static iron core 345 and permanent magnet 342 that coil generates, Neng Gougeng
It more reliably acts fastly.Plug 347 is fixedly mounted on the lower end surface of dynamic iron core 346 (that is, opposite with reset spring 349 to),
For cooperating the on-off to realize pressure release passage 331 with the entrance 331a of pressure release passage 331.
In the shown embodiment, core assembly 30 may also include diaphragm spring 370 and filter screen 380.Wherein, diaphragm spring
370 form one with anti-blocking needle 320.This is conducive to the installation of anti-blocking needle 320, diaphragm spring 370 and filter screen 380.Diaphragm bullet
370 one end of spring abuts 380 lower surface of filter screen (that is, diaphragm spring 370 supports filter 23 80), and the other end abuts diaphragm 310.Film
Flat spring 310 can accelerate the reset of diaphragm 310, and then realize quick sealing.
Filter screen 380 be arranged in at the outlet 351 of the entrance 331a of the pressure release passage 331 transformation chamber 350 being connected to.This can
To avoid in water impurity blocking pressure release passage 331 and be adsorbed on the sealing face of plug 347 or pressure release passage entrance 331a and
Cause seal failure.It can thus be avoided solenoid valve closes water failure.
Preferably, the diameter of inlet opening 311 is 0.6 millimeter, and the diameter of anti-blocking needle 320 is 0.5 millimeter.Therefore, anti-blocking
The filter device that needle 320 and inlet opening 311 are formed can have 0.05 millimeter of filtering accuracy.Therefore, the utility model passes through
The secondary filtration that the by-pass filtration and filter screen that anti-blocking needle and inlet opening provide provide, can significantly improve anti-pollution, from
And substantially prolong service life.
Certainly, in certain embodiments, filter screen 380 also can be omitted, because anti-blocking needle 320 and inlet opening 311 are formed
Filter device most of contaminant filter is fallen.
Preferably, valve seat 10, valve body 20, shell 341 and middle cover 330 can be by ABS plastic, PPS plastics or PPA plastics etc.
It is made, for example, passing through low pressure injection formaing.This improves the integral strength of the utility model, and service life extends.
Preferably, the pulse width of the excitation power supply is 3 milliseconds to 5 milliseconds.Therefore, power consumption is lower, and battery life prolongs
It is long.
Referring now to Fig. 3 and 4, the working principle of the utility model is briefly explained.Wherein, arrow indicates water (flow) direction.
As shown in figure 3, water enters valve body 20 from water inlet 110, and enters transformation chamber 350 from inlet opening 311 when solenoid valve is closed,
Plug 347 is in close state at this time, transformation chamber pressure maintaining, since difference in areas causes 310 top pressure of diaphragm to be greater than following pressure,
Diaphragm 310 tightly suppresses the entrance 210 of main channel, and solenoid valve, which is in, closes water state.When the energization (direct impulse of electromagnetic valve coil 343
Electric current), generate electromagnetic field make dynamic iron core 346 magnetize, dynamic iron core 346 and the static iron core 345 of top are attracting, drive plug 347 to
Upper movement is simultaneously finally sucked by static iron core 345, and the water of transformation chamber 350 enters pressure release passage via 351 and entrance 331a of outlet
331, and enter water outlet 120 from outlet 331b, 350 pressure release of transformation chamber, hydraulic pressure and water outlet 120 are consistent, at this time on diaphragm 310
Square pressure is less than following pressure, and diaphragm 310 travels upward and out the entrance 210 of main channel under the action of water feeding pressure, main logical
Road conducting, solenoid valve are in boiled water state, as shown in Figure 4.Since dynamic iron core 346 is sucked by static iron core 345, solenoid valve can be always
The first stable state (boiled water state) is maintained to close next time until executing.When electromagnetic valve coil 343 is reversely powered, (reverse impulse is electric
Stream), reversed electromagnetic field is generated, 346 magnetic reversal of dynamic iron core is made, is repelled each other with the static iron core 345 of top, dynamic iron core 346 drives stifled
First 347 move downward, while in the case where reset spring 349 and permanent magnet 342 act on, plug 347 being kept to seal up pressure release passage 331
Entrance 331a, 350 pressure maintaining of transformation chamber.Since difference in areas causes, 310 top pressure of diaphragm is greater than following pressure, makees in hydraulic pressure
Under, diaphragm is moved downward, and diaphragm 310 tightly suppresses the entrance 210 of main channel, cuts off main channel, and solenoid valve, which is in, closes water state,
As shown in Figure 3.Since dynamic iron core 346 is sucked by permanent magnet 342, it is straight that solenoid valve can be always held at the second stable state (closing water state)
It is opened next time to executing.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model can be made a variety of changes, be the protection scope of the utility model.
Claims (9)
1. a kind of double magnetic bi-stable pulse electromagnetic valves, including valve seat, valve body and core assembly, the valve seat be equipped with water inlet and
Water outlet, the valve seal are mounted in the valve seat and have the main channel for being connected to the water inlet and the water outlet,
The core assembly is sealingly mounted in the valve body, for controlling the on-off of the main channel, which is characterized in that the spool
Component includes diaphragm, anti-blocking needle, middle cover and double magnetic electromagnetic actuating mechanisms, and the diaphragm arrangement is logical in the middle cover and the master
Between the entrance in road and it is equipped with inlet opening, the anti-blocking needle is arranged in the inlet opening, between the diaphragm and the middle cover
It is formed with transformation chamber, is greater than the surface area of opposite side in the surface area of the diaphragm of transformation chamber side, the middle cover is set
There is the pressure release passage being connected to the transformation chamber, double magnetic electromagnetic actuating mechanisms are used to control the logical of the pressure release passage
It is disconnected, so that the diaphragm closes or opens the entrance of the main channel by the pressure change of the transformation chamber.
2. double magnetic bi-stable pulse electromagnetic valves as described in claim 1, which is characterized in that double magnetic electromagnetic activation machines
Structure includes shell and is arranged in the intracorporal permanent magnet of the shell, coil, bobbin, static iron core, dynamic iron core, plug and magnetic conduction
Ring, the housing seal are bonded in the valve body, and the coil is wrapped on the bobbin and connect with excitation power supply, institute
It states static iron core and the dynamic iron core is threaded through in the bobbin and is equipped between it reset spring, the permanent magnet setting exists
On the end of the bobbin of the dynamic iron core side, described magnetic guiding loop one end is contacted with the permanent magnet, other end socket
On the static iron core, the plug be fixedly mounted on it is opposite with the reset spring to the dynamic iron core end face on, use
In the on-off for realizing the pressure release passage with the cooperation of the entrance of the pressure release passage.
3. double magnetic bi-stable pulse electromagnetic valves as described in claim 1, which is characterized in that the core assembly further includes film
Flat spring, described diaphragm spring one end abut the middle cover, and the other end abuts the diaphragm.
4. double magnetic bi-stable pulse electromagnetic valves as claimed in claim 3, which is characterized in that the diaphragm spring and anti-blocking needle
Form one.
5. magnetic bi-stable pulse electromagnetic valves as claimed in claim 3 double, which is characterized in that the core assembly further included
Strainer, the filter screen are supported on the exit for the transformation chamber being connected to the entrance of the pressure release passage by diaphragm spring.
6. magnetic bi-stable pulse electromagnetic valves as described in claim 1 double, which is characterized in that the diameter of the inlet opening is
0.6 millimeter, and the diameter of the anti-blocking needle is 0.5 millimeter.
7. double magnetic bi-stable pulse electromagnetic valves as described in claim 1, which is characterized in that the water inlet and the water outlet
Mouthful at 90 degree, and the entrance of the main channel and the water inlet are coaxial, and the outlet of the main channel for and the water outlet
Circumferentially distributed several through-holes of mouth connection.
8. double magnetic bi-stable pulse electromagnetic valves as claimed in claim 2, which is characterized in that valve seat, valve body, shell and middle cover
It is made of ABS plastic, PPS plastics or PPA plastics.
9. double magnetic bi-stable pulse electromagnetic valves as claimed in claim 2, which is characterized in that the pulse of the excitation power supply is wide
Degree is 3 milliseconds to 5 milliseconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821339138.4U CN208619823U (en) | 2018-08-20 | 2018-08-20 | A kind of double magnetic bi-stable pulse electromagnetic valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821339138.4U CN208619823U (en) | 2018-08-20 | 2018-08-20 | A kind of double magnetic bi-stable pulse electromagnetic valves |
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| Publication Number | Publication Date |
|---|---|
| CN208619823U true CN208619823U (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821339138.4U Active CN208619823U (en) | 2018-08-20 | 2018-08-20 | A kind of double magnetic bi-stable pulse electromagnetic valves |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131467A (en) * | 2019-06-06 | 2019-08-16 | 福建洁博利厨卫科技有限公司 | A kind of bistable electromagnetic valve and induction discharging device |
-
2018
- 2018-08-20 CN CN201821339138.4U patent/CN208619823U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131467A (en) * | 2019-06-06 | 2019-08-16 | 福建洁博利厨卫科技有限公司 | A kind of bistable electromagnetic valve and induction discharging device |
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