CN206738638U - A kind of magnetic valve - Google Patents
A kind of magnetic valve Download PDFInfo
- Publication number
- CN206738638U CN206738638U CN201720281461.XU CN201720281461U CN206738638U CN 206738638 U CN206738638 U CN 206738638U CN 201720281461 U CN201720281461 U CN 201720281461U CN 206738638 U CN206738638 U CN 206738638U
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- iron core
- valve
- dynamic iron
- air inlet
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Abstract
The utility model discloses a kind of magnetic valve, including valve body, valve seat and coil block, valve pocket is provided with valve body, valve seat is provided with air inlet and control mouth, valve body is provided with the first through hole for connecting air inlet with valve pocket and the second through hole that valve pocket is in communication with the outside, coil block includes dynamic iron core, dynamic iron core is embedded with seal plug, the upper surface of seal plug under the drive of dynamic iron core with first through hole close fit, the lower surface of seal plug under the drive of dynamic iron core with the second through hole close fit, the non-return diaphragm coordinated with first through hole is provided with valve pocket, when there is the disturbance of air pressure bust relative to the air pressure in valve pocket in the air pressure of air inlet, non-return diaphragm is brought into close contact at first through hole under differential pressure action, to ensure the stable gas pressure of control mouth.The utility model has the characteristics of air pressure of output is stable, and gas pressure decay is less, and air inlet and exhaust velocity are fast, and binding post processing and fabricating is simple, and protective is good.
Description
Technical field
Air valve technical field is the utility model is related to, more particularly to a kind of magnetic valve.
Background technology
Air valve is the automatic foundamental element for controlling fluid, belongs to actuator.Adjusted in industrial control system
Direction, flow, speed and the other parameters of medium.With the continuous development of scientific technology, air valve is also undergone from mechanically cutting
Change to the evolution of electromagnetic type switching, it is well known that mechanical switching air valve needs worker to switch, and operation is inconvenient, and
Electromagnetic type switching air valve but overcomes the defect and deficiency of mechanical switching air valve operation inconvenience, and magnetic valve can coordinate different
Circuit realizes expected control, and the precision and flexibility that control can ensure.
Magnetic valve can interact when multiple stomatas work simultaneously at present, cause air pressure to fluctuate, shadow
The using effect of magnetic valve is rung, and the gas of air pump input can decay 50% or so after magnetic valve is discharged, and cause air pump necessary
Exhaust requirements could be met by inputting larger admission pressure, and the binding post on magnetic valve skeleton will pass through coiling, welding in addition
It could be completed to skeleton, the multiple working procedure that bends, processing and fabricating is cumbersome.
The content of the invention
In view of the shortcomings of the prior art and defect, the purpose of this utility model are to provide a kind of magnetic valve, are stopped by setting
Diaphragm is returned, when the air pressure of air inlet the disturbance of air pressure bust occurs relative to the air pressure in valve pocket, non-return diaphragm is in differential pressure action
Under be brought into close contact at first through hole, to ensure that the air pressure of control mouth output is stable；Further purpose, passes through valve
The groove led directly to control mouth is arranged with seat positioned at the both sides of air inlet so that gas pressure decay is less；More enter one
The purpose of step, slide stroke by increasing dynamic iron core so that magnetic valve air inlet and exhaust velocity are accelerated, and binding post is processed
Make simply, protective is good.
To achieve the above object, the utility model provides following technical scheme.
A kind of magnetic valve, including valve body, valve seat and coil block, valve seat are fixedly connected on valve body, and valve is provided with valve body
Chamber, valve seat are provided with the air inlet connected with valve pocket and control mouth, and valve body is provided with connect air inlet with valve pocket first and led to
Hole and the second through hole that valve pocket is in communication with the outside, coil block include dynamic iron core, and dynamic iron core stretches into first through valve pocket and led to
In hole and dynamic iron core inserting end is embedded with seal plug, and seal plug includes upper surface and lower surface, the upper surface of seal plug
Under the drive of dynamic iron core with first through hole close fit, the lower surface of seal plug under the drive of dynamic iron core with the second through hole
Close fit, valve pocket is interior to be provided with the non-return diaphragm coordinated with first through hole between seal plug and first through hole, works as air inlet
Mouthful air pressure when there is the disturbance of air pressure bust relative to the air pressure in valve pocket, non-return diaphragm is brought into close contact under differential pressure action in the
One through hole, to ensure the stable gas pressure of control mouth.
Further, non-return diaphragm includes the pad in first through hole and the retainer ring being embedded on valve seat, pad
It is connected in one with retainer ring by connection sheet.
Further, the groove led directly to control mouth is arranged with valve seat positioned at the both sides of air inlet.
Further, coil block includes support, skeleton, magnet coil, dynamic iron core, static iron core and spring, magnet coil
It is set around on skeleton, skeleton is installed in support, is provided with accommodating hole in skeleton, static iron core is fixedly installed under the accommodating hole
Portion, dynamic iron core are slideably positioned in the top of the accommodating hole, and spring is arranged between dynamic iron core and static iron core, and both ends of the spring is supported and is located at
Dynamic iron core upper end and skeleton upper end, when the solenoid is not energized, dynamic iron core jacks up upwards under the resilient force of spring, and
First through hole is sealed by the upper surface of seal plug, now control mouth is communicated by the second through hole with the external world；Work as electromagnetic wire
When circle is powered, dynamic iron core slides downwards under electromagnetic adsorption power effect, and by the lower surface of seal plug that the second through hole is close
Envelope, now air inlet is communicated by first through hole with control mouth.
Further, skeleton is injection moulding integrated molding structure and is embedded with binding post vertically when being molded.
Further, skeleton is provided with the pressing plate corresponding with valve body, between valve body and pressing plate formed with the second through hole
The discharge chamber of connection, valve body are additionally provided with the exhaust outlet that discharge chamber is in communication with the outside.
Further, the sliding stroke of dynamic iron core is between 1.0mm-1.5mm.
Further, shell is coated with the outside of coil block, shell is injection moulding integrated molding structure.
The beneficial effects of the utility model are：The utility model provides a kind of magnetic valve, simple and reasonable, work
When, magnet coil is powered, and gas enters control mouth through air inlet, first through hole, realize work, when air inlet air pressure relative to
When the disturbance of air pressure bust occurs in air pressure in valve pocket, non-return diaphragm is brought into close contact at first through hole under differential pressure action, to protect
The air pressure for hindering control mouth output is stable；Both sides by being located at air inlet on valve seat are arranged with straight with control mouth
Logical groove, accelerates intake velocity and exhaust velocity so that gas flow attenuation rate is reduced till now by 50% before
10% so that gas pressure decay is less；Stroke is slid by increasing dynamic iron core, increases opening for first through hole and the second through hole
Hole so that magnetic valve air inlet and exhaust velocity are accelerated, and are directly embedded binding post during skeleton injection moulding integrated molding, reduce
Process so that processing and manufacturing is simple, improves production efficiency, is coated with shell on the outside of coil block in addition, can be to magnetic valve
Play good protective action.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is overlooking the structure diagram of the present utility model.
Fig. 3 is Fig. 2 A-A cross section structure diagrams.
Fig. 4 is valve seat construction schematic diagram of the present utility model.
Fig. 5 is non-return diaphragm structure schematic diagram of the present utility model.
In figure, 1. valve bodies；11. valve pocket；12. first through hole；13. the second through hole；2. valve seat；21. air inlet；22. control
Mouthful；23. non-return diaphragm；231. pad；232. retainer ring；233. connection sheet；24. groove；3. coil block；31. dynamic iron core；
32. seal plug；33. support；34. skeleton；35. magnet coil；36. static iron core；37. spring；38. exhaust outlet；39. terminals
Son；40. pressing plate.
Embodiment
With reference to accompanying drawing to the further explaination of the utility model.
It is fixedly connected referring to a kind of magnetic valve shown in Fig. 1 to Fig. 5, including valve body 1, valve seat 2 and coil block 3, valve seat 2
In on valve body 1, being provided with valve pocket 11 in valve body 1, valve seat 2 is provided with the air inlet 21 connected with valve pocket 11 and control mouth 22, valve body 1
It is provided with the first through hole 12 for connecting air inlet 21 with valve pocket 11 and the second through hole 13 that valve pocket 11 is in communication with the outside, line
Coil assembly 3 includes dynamic iron core 31, and dynamic iron core 31 is stretched into through valve pocket 11 in first through hole 12 and the inserting end of dynamic iron core 31 is embedded with
Seal plug 32, seal plug 32 include upper surface and lower surface, and the upper surface of seal plug 32 is under the drive of dynamic iron core 31
With the close fit of first through hole 12, the lower surface of seal plug 32 under the drive of dynamic iron core 31 with the second through hole 13 is closed matches somebody with somebody
Close.
The non-return diaphragm coordinated with first through hole 12 is provided with valve pocket 11 between seal plug 32 and first through hole 12
23, when the air pressure of air inlet 21 disturbance of air pressure bust occurs relative to the air pressure in valve pocket 11, non-return diaphragm 23 is made in pressure difference
It is brought into close contact under at first through hole 12, to ensure the stable gas pressure of control mouth 22, non-return diaphragm 23 includes logical positioned at first
Pad 231 and the retainer ring 232 being embedded on valve seat 2 on hole 12, pad 231 is concentric with first through hole 12 and pad 231 is straight
Footpath is more than the diameter of first through hole 12 so that pad 231 can be fitted close with first through hole 12, and valve seat 2 is provided with and retainer ring 232
The caulking groove of cooperation, retainer ring 232 are embedded in caulking groove, and pad 231 and retainer ring 232 are connected in one by connection sheet 233,
The flexible motion of pad 231 is enabled to ensure that the stability that non-return diaphragm 23 uses without being come off from valve seat 2.It is fixed
Ring 232 seals, while be integrally formed with pad 231, reduction preparation technology, saving manufacturing cost equivalent to sealing ring.
Coil block 3 includes support 33, skeleton 34, magnet coil 35, dynamic iron core 31, static iron core 36 and spring 37, electromagnetism
Coil 35 is set around on skeleton 34, and skeleton 34 is installed in support 33, is provided with accommodating hole in skeleton 34, static iron core 36 is fixedly installed
In the bottom of the accommodating hole, dynamic iron core 31 is slideably positioned in the top of the accommodating hole, and spring 37 is arranged at dynamic iron core 31 and quiet iron
Between core 36, the both ends of spring 37 are supported located at the upper end of dynamic iron core 31 and the upper end of skeleton 34, when magnet coil 35 is not powered on, dynamic iron core
31 jack up upwards under the resilient force of spring 37, and are sealed first through hole 12 by the upper surface of seal plug 32, this
When control mouth 22 communicated by the second through hole 13 with the external world；When magnet coil 35 is powered, dynamic iron core 31 is in electromagnetic adsorption masterpiece
With lower sliding, and being sealed the second through hole 13 by the lower surface of seal plug 32 downwards, now air inlet 21 is logical by first
Hole 12 communicates with control mouth 22.
The bottom of dynamic iron core 31 is provided with socket part, and the upper end of spring 37 is sheathed on the socket part, ensures that spring 37 is holding
Put in hole and stretch vertically so that the stress equalization of dynamic iron core 31, the upper end of static iron core 36 are provided with bumper, when dynamic iron core 31 with
Static iron core 36 plays a part of buffering noise reduction when contacting.
Skeleton 34 is provided with the pressing plate 40 corresponding with valve body 1, between valve body 1 and pressing plate 40 formed with the second through hole 13
The discharge chamber of connection, silencing cotton is equiped with discharge chamber, and silencing cotton is used to absorb noise during exhaust.Valve body 1 be additionally provided with by
The exhaust outlet 38 that discharge chamber is in communication with the outside.
Further, the groove 24 led directly to control mouth 22 is arranged with valve seat 2 positioned at the both sides of air inlet 21, is led to
Setting groove 24 is crossed, increases the aperture of control mouth 22, accelerates intake velocity and exhaust velocity, and groove 24 effectively reduces
Impulsive force caused by gas flowing in valve pocket 11, so that gas flow attenuation rate is reduced till now by 50% before
10%, avoid the waste of gas flow.
Further, skeleton 34 is injection moulding integrated molding structure and is embedded with binding post 39 vertically when being molded.Electromagnetic wire
After circle 35 is set around on skeleton 34, binding post 39 of the both ends of magnet coil 35 respectively with being embedded vertically on skeleton 34 is welded
Connect, binding post 39 is bent to simultaneously in welding and is bonded with skeleton 34, utilize welding temperature and the skeleton 34 of binding post 39
Hot-melt adhesive paste is finally molded standard interface in one on skeleton 34.Binding post 39 may be directly connected to lead during use, make
With conveniently, reduce process so that processing and manufacturing is simple, improves production efficiency.
Further, the sliding stroke of dynamic iron core 31 is between 1.0mm-1.5mm, preferably 1.2mm-1.5mm, moves iron
Between the sliding stroke of core 31 is increased 1.0mm-1.5mm till now by 30 before, by the cunning for increasing dynamic iron core 31
Divide a word with a hyphen at the end of a line journey, increase the aperture of the through hole 13 of first through hole 12 and second, so as to accelerate air inlet and exhaust velocity, improve electromagnetism
The operating efficiency of valve.
Further, the outside of coil block 3 is coated with shell, and shell is injection moulding integrated molding structure, and shell can be to electricity
Magnet valve plays good protective action, and fabricates simple.
During original state, magnet coil 35 is not powered on, and dynamic iron core 31 moves up under the resilient force of spring 37, makes
Obtain first through hole 12 of the upper surface of the seal plug 32 of the upper end of dynamic iron core 31 closely with valve body 1 and seal cooperation, first through hole
12 are closed, and the air-flow of air inlet 21 can not enter valve pocket 11, and close under the seal plug 32 of the upper end of dynamic iron core 31
Second through hole 13 of the emaciated face from valve body 1 is blocked, the second through hole 13 turns on valve pocket 11 with discharge chamber, now surplus in control mouth 22
Residual air stream is sequentially after valve pocket 11, the second through hole 13, discharge chamber and exhaust outlet 38 outside exits valve body 1.
During working condition, magnet coil 35 is powered, and dynamic iron core 31 overcomes the elastic force of spring 37 to move down so that dynamic iron
The lower surface of the seal plug 32 of the upper end of core 31 closely seals with the second through hole 13 of valve body 1 to be coordinated, now the second through hole 13
It is closed, the air in valve pocket 11 can not enter discharge chamber from the second through hole 13, and the upper end seal plug of dynamic iron core 31
32 upper surface departs from the first through hole 12 of valve body 1, and the air-flow of air inlet 21 promotes non-return diaphragm 23 to move down, and makes first to lead to
Hole 12 turns on valve pocket 11 and air inlet 21, and air-flow enters control mouth 22 to drive related execution unit to act through valve pocket 11.
When air inlet 21 connects with the work stomata of another magnetic valve, pressure instantaneous reduction in air inlet 21, cause to control
Gas pressure in donsole 22 is fluctuated and reduced, by setting non-return diaphragm 23, when pressure instantaneous reduction in air inlet 21
When, air pressure is more than air pressure in air inlet 21 in valve pocket 11, non-return diaphragm 23 is moved up moment closure in the presence of pressure differential
First through hole 12, air inlet 21 is no longer connected with control mouth 22, control mouth 22 is unaffected, magnetic valve can stable operation,
When the work gas gas inlet hole of another magnetic valve is stable, air pressure restores balance again with air pressure in air inlet 21 in valve pocket 11, non-return
Diaphragm 23 resets.
Described above is only better embodiment of the present utility model, therefore all according to described in the utility model patent application range
The equivalent change or modification done of construction, feature and principle, be included in the utility model patent application range.
Claims (8)
1. a kind of magnetic valve, including valve body（1）, valve seat（2）And coil block（3）, valve seat（2）It is fixedly connected on valve body（1）On,
Valve body（1）It is interior to be provided with valve pocket（11）, valve seat（2）It is provided with and valve pocket（11）The air inlet of connection（21）And control mouth（22）, valve
Body（1）It is provided with air inlet（21）With valve pocket（11）The first through hole of connection（12）And by valve pocket（11）It is in communication with the outside
Second through hole（13）, coil block（3）Including dynamic iron core（31）, dynamic iron core（31）Through valve pocket（11）Stretch into first through hole（12）
Interior and dynamic iron core（31）Inserting end is embedded with seal plug（32）, seal plug（32）Including upper surface and lower surface, seal plug
Head（32）Upper surface in dynamic iron core（31）Drive under and first through hole（12）Close fit, seal plug（32）Lower surface
In dynamic iron core（31）Drive under with the second through hole（13）Close fit, it is characterised in that:It is located at seal plug in valve pocket (11)
(32) the non-return diaphragm (23) coordinated with first through hole (12) is provided between first through hole (12), when the air pressure of air inlet (21)
When there is the disturbance of air pressure bust relative to the air pressure in valve pocket (11), non-return diaphragm (23) is brought into close contact under differential pressure action in the
One through hole (12) place, to ensure the stable gas pressure of control mouth (22).
A kind of 2. magnetic valve according to claim 1, it is characterised in that：Non-return diaphragm（23）Including positioned at first through hole
(12) pad on（231）With the retainer ring being embedded on valve seat (2)（232）, pad（231）And retainer ring（232）Pass through company
Contact pin（233）It is connected in one.
A kind of 3. magnetic valve according to claim 1, it is characterised in that：Valve seat（2）It is upper to be located at air inlet（21）Both sides
It is arranged with and control mouth（22）Straight-through groove（24）.
A kind of 4. magnetic valve according to claim 1, it is characterised in that：Coil block（3）Including support（33）, skeleton
（34）, magnet coil（35）, dynamic iron core（31）, static iron core（36）And spring（37）, magnet coil（35）It is set around skeleton（34）
On, skeleton（34）It is installed in support（33）It is interior, skeleton（34）It is interior to be provided with accommodating hole, static iron core（36）It is fixedly installed on the accommodating hole
Bottom, dynamic iron core（31）It is slideably positioned in the top of the accommodating hole, spring（37）It is arranged at dynamic iron core（31）With static iron core
（36）Between, spring（37）Both ends are supported and are located at dynamic iron core（31）Upper end and skeleton（34）Upper end, when the solenoid is not energized, move
Iron core（31）In spring（37）Resilient force under jack up upwards, and pass through seal plug（32）Upper surface by first through hole
（12）Seal, now control mouth（22）Pass through the second through hole（13）Communicated with the external world；Work as magnet coil（35）During energization, dynamic iron core
（31）Slid downwards under electromagnetic adsorption power effect, and pass through seal plug（32）Lower surface by the second through hole（13）Sealing,
Now air inlet（21）Pass through first through hole（12）With control mouth（22）Communicate.
A kind of 5. magnetic valve according to claim 4, it is characterised in that：Skeleton（34）For injection moulding integrated molding structure and note
Binding post is embedded with during modeling vertically（39）.
A kind of 6. magnetic valve according to claim 4, it is characterised in that：Skeleton（34）It is provided with and valve body（1）It is corresponding
Pressing plate（40）, valve body（1）With pressing plate（40）Between formed with the second through hole（13）The discharge chamber of connection, valve body（1）Also set
It is equipped with the exhaust outlet that discharge chamber is in communication with the outside（38）.
A kind of 7. magnetic valve according to claim 1 or 4, it is characterised in that：Dynamic iron core（31）Sliding stroke exist
Between 1.0mm-1.5mm.
A kind of 8. magnetic valve according to claim 1, it is characterised in that：Coil block（3）Outside is coated with shell, shell
For injection moulding integrated molding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720281461.XU CN206738638U (en) | 2017-03-22 | 2017-03-22 | A kind of magnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720281461.XU CN206738638U (en) | 2017-03-22 | 2017-03-22 | A kind of magnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206738638U true CN206738638U (en) | 2017-12-12 |
Family
ID=60557881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720281461.XU Active CN206738638U (en) | 2017-03-22 | 2017-03-22 | A kind of magnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206738638U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979357A (en) * | 2017-03-22 | 2017-07-25 | 奉化胜雄机电科技有限公司 | A kind of magnetic valve |
| CN108413104A (en) * | 2018-02-14 | 2018-08-17 | 尹祖军 | A kind of gas path control method and solenoid valve of through-type solenoid valve |
| CN108468853A (en) * | 2018-05-25 | 2018-08-31 | 宁波奉化胜雄机电科技有限公司 | A kind of air pump valve and its assembly method |
-
2017
- 2017-03-22 CN CN201720281461.XU patent/CN206738638U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979357A (en) * | 2017-03-22 | 2017-07-25 | 奉化胜雄机电科技有限公司 | A kind of magnetic valve |
| CN108413104A (en) * | 2018-02-14 | 2018-08-17 | 尹祖军 | A kind of gas path control method and solenoid valve of through-type solenoid valve |
| CN108468853A (en) * | 2018-05-25 | 2018-08-31 | 宁波奉化胜雄机电科技有限公司 | A kind of air pump valve and its assembly method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 315500 No. 7 Dongjiang Road, Fenghua hi tech Development Zone, Ningbo, Zhejiang Patentee after: NINGBO FENGHUA SHENGXIONG ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Address before: 315500 No. 7 Dongjiang Road, Fenghua hi tech Development Zone, Zhejiang, Ningbo, China Patentee before: FENGHUA SHENGXIONG ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. |