CN203797105U - Electromagnetic valve - Google Patents
Electromagnetic valve Download PDFInfo
- Publication number
- CN203797105U CN203797105U CN201420166223.0U CN201420166223U CN203797105U CN 203797105 U CN203797105 U CN 203797105U CN 201420166223 U CN201420166223 U CN 201420166223U CN 203797105 U CN203797105 U CN 203797105U
- Authority
- CN
- China
- Prior art keywords
- valve
- diaphragm
- cavity volume
- rod
- volume portion
- 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 - Lifetime
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 33
- 238000009434 installation Methods 0.000 claims description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 9
- 238000007789 sealing Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000004087 circulation Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to valves, in particular to an electromagnetic valve comprising a valve seat, a film, a valve seat cap, a valve rod, a spring and an electromagnetic iron core. The valve seat comprises a pipeline, a valve port convex rib which is arranged in the pipeline and which matches with the film in a sealed manner and a mounting chamber used for mounting the film. The film is arranged in the mounting chamber of the valve seat and comprises a central sealing portion located at the center, a circumferential sealing portion located on the circumference and an elastic portion located between the central sealing portion and the circumferential sealing portion. The valve seat cap covers the mounting chamber of the valve seat. The valve rod comprises an upper rod accommodating portion and a lower film accommodating portion, and the film accommodating portion is provided with ventilation holes. The spring is arranged at the upper end of the rod accommodating portion of the valve rod. The upper end of the electromagnetic iron core is pressed against the lower end of the spring, and the lower end is fixedly connected to the film. The electromagnetic valve is used for being opened and closed for pipeline fluid.
Description
Technical field
The utility model relates to valve, relates in particular to solenoid valve, specifically refers to and has the corrosion resistant solenoid valve of waterproof.
Background technique
Solenoid valve is the industry equipment by Electromagnetic Control, is used in direction, flow, speed and other the parameter of in industrial control system, adjusting medium.Its main solenoid valve can coordinate different circuit to realize the control of expection, and precision and the flexibility controlled can both guarantee.First solenoid valve type selecting should follow Security successively, reliability, applicability, the large principle of Economy four.
Present stage, a lot of circulation mediums was corrosive liquid medium, after working long hours, can corrode iron core, spring, the valve rod of solenoid valve inside, thereby caused solenoid valve to occur losing efficacy.Tracing it to its cause is, the structural design defect in existing solenoid valve causes solenoid valve diaphragm cannot carry out local upper and lower displacement, and the pressure difference producing by 2 vents on diaphragm when work adhesive makes the whole generation of diaphragm upper and lower displacement.Diaphragm on the whole in the process of bottom offset liquid medium can enter valve rod inside from 2 vents of diaphragm, cause metal iron core and metal spring to touch corrosive liquid medium, so just necessarily require metal iron core and metal spring to adopt corrosion resistant material, otherwise there will be corrosion, cause product failure.This just causes very large impact to the Security of solenoid valve.
In order further to guarantee the Security of solenoid valve, for corrosive liquid medium, just must guarantee that the material that solenoid valve internal electromagnetic iron core, spring are used meets corrosion resistant requirement.The material of using for solenoid valve internal electromagnetic iron core, spring, valve rod meets corrosion resistant requirement, and this requirement will improve the cost of material greatly, and has certain hidden danger of quality.
Model utility content
For above-mentioned deficiency, the utility model proposes a kind of improved solenoid valve, by changing the supporting structure of the inner valve rod of solenoid valve and diaphragm, guarantee that internal electromagnetic iron core, spring do not touch liquid medium, to greatly improve the Security of solenoid valve, and reduce cost of material.
The utility model is concrete adopts following technological scheme to realize:
A solenoid valve, comprising:
One valve pedestal, this valve pedestal comprises pipeline, is located in pipeline for the valve port flange with diaphragm seal cooperation with for the installation chamber of diaphragm is installed;
One diaphragm, this diaphragm is mounted on the installation chamber of this valve pedestal, this diaphragm comprises that the central seal portion, a week on all edges at Yi center are along sealed department and the spring section between the two, this central seal portion contacts at the valve port flange of this valve pedestal, pressed down by the lower edge of the diaphragm cavity volume portion of a valve rod along sealed department in this week and next week of installation chamber of being fixed on this valve pedestal along on face;
One valve base lid, this valve base lid has the through hole of a body of rod cavity volume portion for the valve rod that stretches through, and this valve base lid is covered on the installation chamber of this valve pedestal;
One valve rod, this valve rod comprises that a body of rod cavity volume portion and that is positioned at top is positioned at the diaphragm cavity volume portion of below, it is indoor that the diaphragm cavity volume portion of this valve rod is arranged on the installation cavity of this valve pedestal, and its body of rod cavity volume portion stretches through out from the through hole of this valve base lid, and has vent in this diaphragm cavity volume portion;
One spring, this spring is arranged at the upper end of this body of rod cavity volume portion of this valve rod;
One electromagnetic core, this electromagnetic core is arranged in this body of rod cavity volume portion of this valve rod, and its upper end contacts the lower end in this spring, and its lower end is fixedly connected with this diaphragm.
Solenoid valve of the present utility model changes the supporting structure of the inner valve rod of solenoid valve and diaphragm, guarantee that internal electromagnetic iron core, spring do not touch liquid medium, only require the valve pedestal material of diaphragm and water inlet and outlet to require corrosion-resistantly just can to meet the demands, to greatly improve the Security of solenoid valve, and reduce cost of material.
Accompanying drawing explanation
Fig. 1 is the decomposition explosion figure (angle one) of each parts of the utility model one embodiment;
Fig. 2 is the decomposition explosion figure (angle two) of each parts of this embodiment;
Fig. 3 is the view sub-anatomy of each parts of this embodiment;
Fig. 4 is this embodiment's assembling view.
Embodiment
Now with embodiment, the utility model is further illustrated by reference to the accompanying drawings.
Consult shown in Fig. 1 to Fig. 4, the utility model one embodiment's solenoid valve, comprising:
One valve pedestal 1, this valve pedestal 1 comprises pipeline 11, be located in pipeline 11 valve port flange 12 for being sealed and matched with diaphragm 2 and for the installation chamber 13 of diaphragm 2 is installed.In addition, the top edge of this installation chamber 13 is provided with a plurality of screws 132, for carrying out screw closure with valve base lid 3.
One diaphragm 2, this diaphragm 2 is mounted in the installation chamber 13 of this valve pedestal 1, this diaphragm 2 comprises that one is positioned at the central seal portion 21 at center, one week on all edges is along sealed department 23 and the spring section between the two 22, this central seal portion 21 contacts at the valve port flange 12 of this valve pedestal 1, thereby 11 circulations seal to pipeline, the next week of installation chamber 13 that is pressed down by the lower edge of the diaphragm cavity volume portion 62 of a valve rod 6 along sealed department 23 in this week and be fixed on this valve pedestal 1 is along on face 131, thereby the installation chamber 13 to valve pedestal 1 seals, thereby avoid liquid medium to enter in the installation chamber 13 on diaphragm 2.
One valve base lid 3, this valve base lid 3 has the through hole 31 of a body of rod cavity volume portion 61 for the valve rod 6 that stretches through, and this valve base lid 3 is covered on the installation chamber 13 of this valve pedestal 1.Concrete, be on the screw 132 of top edge of the screw 32 of a plurality of screws 132 of top edge of the installation chamber 13 of a plurality of correspondences of this valve base lid 3 being provided with by screw and this valve pedestal 1 installation chamber 13 that is locked in this valve pedestal 1.
One valve rod 6, this valve rod 6 comprises that a body of rod cavity volume portion 61 and that is positioned at top is positioned at the diaphragm cavity volume portion 62 of below, the diaphragm cavity volume portion 62 of this valve rod is arranged in the installation chamber 13 of this valve pedestal 1, its body of rod cavity volume portion 61 stretches through out from the through hole 31 of this valve base lid 3, and has vent 623 in this diaphragm cavity volume portion 62.
One spring 5, this spring 5 is arranged at the upper end of this body of rod cavity volume portion 61 of this valve rod 6;
One electromagnetic core 4, this electromagnetic core 4 is arranged in this body of rod cavity volume portion 61 of this valve rod 6, and its upper end contacts in the lower end of this spring 5, and its lower end is fixedly connected with this diaphragm 2.
Concrete, the lower end of this electromagnetic core 4 is one " T " font bar head 41, the upper end of the central seal portion 21 of this diaphragm 2 has one " T " font cavity volume 24, and " T " font bar head 41 of these electromagnetic core 4 lower ends is inserted in " T " font cavity volume 24 of this diaphragm 2 and is fixedly connected with.
Preferably, in order to guarantee that this diaphragm 2 carries out reliable sealing along sealed department 23 to the installation chamber 13 of valve pedestal 1 by its week, the lower edge of the diaphragm cavity volume portion 62 of this valve rod 6 has a more sharp-pointed projecting ring section 621, by this more sharp-pointed projecting ring section 621 can by the week of this diaphragm 2 along sealed department 23 press down (diaphragm 2 is elastic material, as rubber etc.) and next week of installation chamber 13 of being fixed on this valve pedestal 1 along on face 131.Preferred, coordinate with it, the next week of the installation chamber 13 of this valve pedestal 1 is along also having an annular groove 1311 on face 131.
Preferably, in order to guarantee that the vent 623 in the diaphragm cavity volume portion 62 of this valve rod 6 reliably communicates with the external world, the upper-end surface of this diaphragm cavity volume portion 62 is provided with a plurality of convex ridges 622.Like this, can avoid as far as possible upper-end surface and valve base lid 3 close contact and block vent 623 and communicate with the external world too of the diaphragm cavity volume portion 62 of this valve rod 6.
This embodiment's solenoid valve is in solenoid valve adhesive, on this electromagnetic core 4, draw, by its " T " font bar head 41 and then the central seal portion 21 that draws high this diaphragm 2, the spring section 22 of the arcuate structure of this diaphragm 2 only makes the valve port flange 12 of central seal portion 21 relative intake-outlets produce upper and lower displacement, thereby reach the object of switch valve, and the week of this diaphragm 2 along sealed department 23 still by the lower edge of the diaphragm cavity volume portion 62 of valve rod 6, pressed down and next week of installation chamber 13 of being fixed on this valve pedestal 1 along on face 131, thereby the installation chamber 13 to valve pedestal 1 seals, thereby avoid liquid medium to enter in the installation chamber 13 on diaphragm 2.Preferred, in week of diaphragm 2 along sealed department 23 with next week of installation cavity chamber 13 thering is a more sharp-pointed projecting ring section 621 along the lower edge of the diaphragm cavity volume portion 62 of this valve rod 6 above the contact area of face 131, and in next week of the installation chamber 13 of this valve pedestal 1 along also thering is an annular groove 1311 on face 131, thereby guarantee that solenoid valve is when combination is fixing, because the week that the diaphragm cavity volume portion 62 of valve rod 6 pressure down makes diaphragm 2 can tube squeezing valve pedestal 1 along sealed department 23 next week of installation chamber 13 along face 131, make liquid medium cannot enter the installation chamber 13 of diaphragm 2 tops, do not flow into the inside of valve rod 6.
Meanwhile, in the diaphragm cavity volume portion 62 of valve rod 6, offer vent 623, guarantee that solenoid valve is in adhesive, this electromagnetic core pushes away for 4 times, makes inner air pressure can be discharged to outside, overcomes generation pressure difference.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but those skilled in the art should be understood that; within not departing from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection domain of the present utility model.
Claims (5)
1. a solenoid valve, is characterized in that, comprising:
One valve pedestal, this valve pedestal comprises pipeline, is located in pipeline for the valve port flange with diaphragm seal cooperation with for the installation chamber of diaphragm is installed;
One diaphragm, this diaphragm is mounted on the installation chamber of this valve pedestal, this diaphragm comprises that the central seal portion, a week on all edges at Yi center are along sealed department and the spring section between the two, this central seal portion contacts at the valve port flange of this valve pedestal, pressed down by the lower edge of the diaphragm cavity volume portion of a valve rod along sealed department in this week and next week of installation chamber of being fixed on this valve pedestal along on face;
One valve base lid, this valve base lid has the through hole of a body of rod cavity volume portion for the valve rod that stretches through, and this valve base lid is covered on the installation chamber of this valve pedestal;
One valve rod, this valve rod comprises that a body of rod cavity volume portion and that is positioned at top is positioned at the diaphragm cavity volume portion of below, it is indoor that the diaphragm cavity volume portion of this valve rod is arranged on the installation cavity of this valve pedestal, and its body of rod cavity volume portion stretches through out from the through hole of this valve base lid, and has vent in this diaphragm cavity volume portion;
One spring, this spring is arranged at the upper end of this body of rod cavity volume portion of this valve rod;
One electromagnetic core, this electromagnetic core is arranged in this body of rod cavity volume portion of this valve rod, and its upper end contacts the lower end in this spring, and its lower end is fixedly connected with this diaphragm.
2. solenoid valve according to claim 1, is characterized in that: the lower edge of this diaphragm cavity volume portion has a more sharp-pointed projecting ring section.
3. solenoid valve according to claim 1, is characterized in that: the upper-end surface of this diaphragm cavity volume portion is provided with a plurality of convex ridges.
4. solenoid valve according to claim 3, is characterized in that: the next week of the installation chamber of this valve pedestal is along also having an annular groove on face.
5. according to the arbitrary described solenoid valve of claim 1-4, it is characterized in that: the lower end of this electromagnetic core is one " T " font bar head, the upper end of the central seal portion of this diaphragm has one " T " font cavity volume, and " T " font head cover of this electromagnetic core lower end enters " T " font cavity volume of this diaphragm and is fixedly connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420166223.0U CN203797105U (en) | 2014-04-08 | 2014-04-08 | Electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420166223.0U CN203797105U (en) | 2014-04-08 | 2014-04-08 | Electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203797105U true CN203797105U (en) | 2014-08-27 |
Family
ID=51379315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420166223.0U Expired - Lifetime CN203797105U (en) | 2014-04-08 | 2014-04-08 | Electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203797105U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240487A (en) * | 2016-12-27 | 2018-07-03 | 上海沃迪自动化装备股份有限公司 | A kind of filling valve without cleaning dead angle and filling room |
-
2014
- 2014-04-08 CN CN201420166223.0U patent/CN203797105U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240487A (en) * | 2016-12-27 | 2018-07-03 | 上海沃迪自动化装备股份有限公司 | A kind of filling valve without cleaning dead angle and filling room |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |
|
| CX01 | Expiry of patent term |