CN103375598A - Gas electromagnetic valve structure - Google Patents
Gas electromagnetic valve structure Download PDFInfo
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- CN103375598A CN103375598A CN2013102091335A CN201310209133A CN103375598A CN 103375598 A CN103375598 A CN 103375598A CN 2013102091335 A CN2013102091335 A CN 2013102091335A CN 201310209133 A CN201310209133 A CN 201310209133A CN 103375598 A CN103375598 A CN 103375598A
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- opening
- tuyere
- electromagnetic valve
- boss
- valve block
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Abstract
The invention discloses a gas electromagnetic valve structure which is characterized by comprising an air nozzle and a valve plate. The air nozzle is provided with a gas guiding through hole and an opening at the tail end of the through hole; the valve plate is made of sealing materials, is positioned on a controlled electromagnetic valve spool, is movably arranged at the opening and is provided with a sealing surface, the sealing surface faces the opening, and an annular flexible boss is arranged on the sealing surface; when the electromagnetic valve spool is controlled and is in a sealing action state, the valve plate approaches the opening, the flexible boss and the sealing surface cover the opening, and the flexible boss deforms, so that a position, which is matched with the opening, of the flexible boss can be sealed by gas. According to the scheme, the gas electromagnetic valve structure has the advantages that a boss at the opening is omitted, so that the problem of insufficient gas tightness due to the fact that the hard boss has a notch or is uneven is solved.
Description
Technical field
The present invention relates to a kind of structure of the solenoid valve for controlling the gas break-make.
Background technique
As shown in Figure 1, the existing common part-structure of solenoid valve of controlling with the air-flow body of using.Tuyere 10 is connected in the gas passageway, and the gas of its through hole 11 flows in a direction indicated by the arrow, flows out from exporting 13.Export 13 lower ends and be matched with relative its axial movable valve block 20, this valve block 20 all is flexible material usually, such as silicone grease, resin, rubber etc., and valve block 20 then is fixed on the movable spool, for example the spool of ferromagnetics material or other material persons.When spool is subjected to electromagnetic actuation, be valve block 20 when axially upwards cooperating, blocking lower end in outlet 13, the air-flow in the through hole 11 is blocked, so realized the function of whole solenoid valve.
Consider that valve block 20 is in the reliability of outlet 13 places sealing; valve block 20 can depart from the axial of the two with respect to outlet 13 its movement locus; perhaps exporting 13 end face 12 cooperates part not necessarily smooth with the sealing surface 21 of valve block 20; thereby; for adapting to the solenoid valve frequent movement; need to usually set firmly at the front end of outlet 13 boss 14 of an annular, this boss 14 is around outlet 13, towards valve block 20 outstanding settings.So structure has occured to depart from the outlet 13 to axial of valve block 20 with respect to tuyere 10, and then outstanding boss 14 still can be subject to the excellent sealing of valve block 20, has stronger adaptability.
But in use, the scheme that the front end of outlet 13 arranges boss 14 still has its defective, because the body of tuyere 10 is hard material, for example be processed into the metalwork five metals, boss 14 itself is a comparatively meticulous structure, so in processing, use, have the phenomenons such as breach, burr, out-of-flatness easily, so can cause boss 14 itself to cooperate situations about losing efficacy with valve block 20 its sealing surfaces 21.
Summary of the invention
The situation that causes solenoid valve to lose efficacy for the easy out-of-flatness of boss structure that has its tuyere of air-flow body solenoid valve now, the present invention proposes a kind of structure of gas solenoid valve, and its technological scheme is as follows:
A kind of structure of gas solenoid valve, it comprises:
Tuyere, this tuyere have the through hole of an air guide and the opening of this through hole end;
Valve block, sealing material is positioned on the controlled electromagnetic valve core, is movably set in the position of described opening, has the sealing surface towards described opening, and the sealing face is provided with the soft boss of an annular;
Wherein, be in sealing during operating state when described electromagnetic valve core is controlled, this valve block approaches described opening, and described soft boss and sealing surface cover described opening, and this soft boss generation deformation makes the cooperation place hermetic seal of itself and opening part.
The improvement of this programme has:
In the preferred embodiment, tuyere is the form on plane at the end face of described opening part, and this end face is axial perpendicular to described opening.
In the preferred embodiment, the sealing surface of described valve block is the plane, and the sealing face is parallel to described end face.
In the preferred embodiment, its width of the annular cross section of described soft boss is from down having the form of gradually broadening with the described opening cooperation place beginning.
In the preferred embodiment, described its external diameter of soft boss is less than the external diameter of described valve block, and its internal diameter is greater than the internal diameter of described opening.
In the preferred embodiment, described soft boss and all coaxial settings of valve block, opening.
In the preferred embodiment: described electromagnetic valve core is arranged at the below of described valve block, with the coaxial setting of this tuyere; Arranging between this electromagnetic valve core and the tuyere under the default conditions makes this poppet shaft to the reseting pressuring spring away from this tuyere; The outside of this electromagnetic valve core is socketed a coil rack, has coil on this coil rack.
In the preferred embodiment, described tuyere is fixed in a fixed block, and this fixed block has held described coil, skeleton, electromagnetic valve core, reseting pressuring spring; But this fixed block has the exhaust port of an Exhaust Gas; Have the gap between the electromagnetic valve core outside and the coil inwall, the through hole of wherein said tuyere, opening, gap and exhaust port have complete gas passageway when described valve block is in unsealed position.
The beneficial effect of this programme has:
1. omit the boss on the opening, avoided the boss of hard because airtight deficiency jagged or that out-of-flatness causes;
2. soft boss can be realized larger height with respect to hard boss, thereby makes valve block lower with respect to the drift angle requirement of opening, and reliability is higher;
3. its required precision of soft boss that processes on the valve block is not high, makes the processing of whole valve more convenient, also therefore decrease processing cost and reject ratio.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing embodiment:
Fig. 1 is the structural representation of existing its tuyere 10 of air-flow body solenoid valve, valve block 20;
Fig. 2 is the tuyere 10 of one embodiment of the invention, the structural representation of valve block 20;
Fig. 3 is the critical piece explosive view of the embodiment of the invention two;
Fig. 4 is axle generalized section embodiment illustrated in fig. 3.
Embodiment
Embodiment one:
As shown in Figure 2, the schematic representation of the embodiment of the invention one, this schematic representation are the axle section signals of tuyere 10, valve block 20.
Tuyere 10 has the through hole 11 of an air guide and the opening 13 of this through hole end, and the air in the through hole 11 is communicated with the outside by opening 13 or cuts off; Be provided with a valve block 20 in the position of opening 13.This valve block 20 can be multiple sealing material for example silica gel, rubber, resin.Valve block 20 itself is fixed in an electromagnetic valve core 30, and these electromagnetic valve core 30 controlled driving valve blocks 20 approach or realize away from opening 13 operation of sealing, depressurization.Therefore, valve block 20 is movably set in opening 13.
Are sealing surfaces 21 at valve block 20 towards the one side of opening 13, are provided with the soft boss 22 of an annular at the sealing face.When described electromagnetic valve core 30 is controlled when being in the sealing operating state, valve block 20 is subjected to drive and approaches opening 13, soft boss 22 and sealing surface 21 cover opening 13 jointly under pressure, and soft boss 22 deformation occur makes the cooperation place at itself and opening 13 positions reach the hermetic seal effect.
As seen, this scheme has been omitted the boss 14 on Fig. 1 split shed 13, thus the boss 14 of having avoided hard in processing, use in because airtight deficiency jagged or that out-of-flatness causes; On the other hand, soft boss 22 can be realized larger height with respect to hard boss 14, thereby makes valve block 20 lower with respect to the drift angle requirement of opening 13, and reliability is higher; The 3rd, soft boss 22 its required precisions that process on the valve block 20 are lower than the required precision of boss 14, make the processing of whole valve more convenient, have reduced processing cost and reject ratio.
Present embodiment also has some other characteristics:
Consider the deformability of soft boss 22, soft its width of boss 22 annular cross sections has the form of gradually broadening from top to bottom, and this part form begins part down from soft boss 22 and opening 13 cooperation places, also be the head portion of soft boss 22.This is the shaft section form of broadening gradually, can be circular arc, triangle, multi-section-line or the multiple implementation such as curve repeatedly as shown in Figure 2.This programme is a semi-circle person.
The external diameter of soft boss 22 is less than the external diameter of valve block 22, and its internal diameter on the one hand, makes the deformation of soft boss 22 on valve block 20 bodies have enough mechanical strengths greater than the internal diameter of opening 13, can use on the other hand minimum material to realize covering opening 13.Soft boss 22 and all coaxial settings of valve block 20, opening 13 realize that all directions depart from surplus and equate.
Embodiment two:
As shown in Figure 3 and Figure 4, the schematic representation of the embodiment of the invention two.This embodiment two has showed one by one the more completely structure of air-flow body solenoid valve.
As shown in Figure 3, the three-dimensional explosive view of embodiment's two critical pieces.The tuyere 10 of present embodiment, the form of valve block 20 and embodiment one are similar.Fig. 4 has showed the complete structure of present embodiment from the angle of shaft section.
Be socketed a coil rack 40 in the outside of electromagnetic valve core 30, have coil 80 on this coil rack 40.Its inner magnetic field that forms drove electromagnetic valve core 30 and axially upwards approaches tuyere 10 after coil 80 powered on.Tuyere 10 is fixed in a fixed block 60, and this fixed block has held coil 80, skeleton 40, electromagnetic valve core 30, reseting pressuring spring 70; This fixed block 60 has exhaust port 41; Has the gap between electromagnetic valve core 30 outsides and coil 80 inwalls, wherein when valve block 20 is in unsealed position, the through hole 11 of tuyere 10, opening 13, gap and exhaust port 41 have complete gas passageway, and also, through hole 11 is in communication with the outside by exhaust port 41.
The above, only for preferred embodiment of the present invention, so can not limit according to this scope of the invention process, the equivalence of namely doing according to claim of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (8)
1. the structure of a gas solenoid valve, it is characterized in that: it comprises:
Tuyere, this tuyere have the through hole of an air guide and the opening of this through hole end;
Valve block, sealing material is positioned on the controlled electromagnetic valve core, is movably set in the position of described opening, has the sealing surface towards described opening, and the sealing face is provided with the soft boss of an annular;
Wherein, be in sealing during operating state when described electromagnetic valve core is controlled, this valve block approaches described opening, and described soft boss and sealing surface cover described opening, and this soft boss generation deformation makes the cooperation place hermetic seal of itself and opening part.
2. the structure of described a kind of gas solenoid valve according to claim 1, it is characterized in that: described tuyere is the form on plane at the end face of described opening part, this end face perpendicular to described opening axially.
3. the structure of described a kind of gas solenoid valve according to claim 2, it is characterized in that: the sealing surface of described valve block is the plane, and the sealing face is parallel to described end face.
4. the structure of described a kind of gas solenoid valve according to claim 1 is characterized in that: its width of the annular cross section of described soft boss, from the described opening cooperation place form of gradually broadening that begins down to have.
5. according to claim 1 and 2 or the structure of 3 or 4 described a kind of gas solenoid valves, it is characterized in that: described its external diameter of soft boss is less than the external diameter of described valve block, and its internal diameter is greater than the internal diameter of described opening.
6. the structure of described a kind of gas solenoid valve according to claim 5 is characterized in that: described soft boss and all coaxial settings of valve block, opening.
7. the structure of described a kind of gas solenoid valve according to claim 6, it is characterized in that: described electromagnetic valve core is arranged at the below of described valve block, with the coaxial setting of this tuyere; Arranging between this electromagnetic valve core and the tuyere under the default conditions makes this poppet shaft to the reseting pressuring spring away from this tuyere; The outside of this electromagnetic valve core is socketed a coil rack, has coil on this coil rack.
8. the structure of described a kind of gas solenoid valve according to claim 7, it is characterized in that: described tuyere is fixed in a fixed block, and this fixed block has held described coil, skeleton, electromagnetic valve core, reseting pressuring spring; But this fixed block has the exhaust port of an Exhaust Gas; Have the gap between the electromagnetic valve core outside and the coil inwall, the through hole of wherein said tuyere, opening, gap and exhaust port have complete gas passageway when described valve block is in unsealed position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102091335A CN103375598A (en) | 2013-05-30 | 2013-05-30 | Gas electromagnetic valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102091335A CN103375598A (en) | 2013-05-30 | 2013-05-30 | Gas electromagnetic valve structure |
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| Publication Number | Publication Date |
|---|---|
| CN103375598A true CN103375598A (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102091335A Pending CN103375598A (en) | 2013-05-30 | 2013-05-30 | Gas electromagnetic valve structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469708A (en) * | 2019-08-02 | 2019-11-19 | 厦门科际精密器材有限公司 | A kind of valve gasket and the proportioning valve with it |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040262562A1 (en) * | 2003-06-26 | 2004-12-30 | Maula Jarmo Ilmari | Diaphragm valve with reliability enhancements for atomic layer deposition |
| CN201093095Y (en) * | 2007-09-29 | 2008-07-30 | 天津市帅普环保科技企业孵化器有限公司 | Novel electromagnetic valve |
| CN101311589A (en) * | 2007-05-24 | 2008-11-26 | 阿尔卑斯电气株式会社 | Valve gear |
| CN101398094A (en) * | 2007-09-29 | 2009-04-01 | 天津市帅普环保科技企业孵化器有限公司 | Overall plastic solenoid valve |
| CN101907179A (en) * | 2010-05-14 | 2010-12-08 | 厦门坤锦电子科技有限公司 | Highly corrosion-resistant diaphragm valve |
-
2013
- 2013-05-30 CN CN2013102091335A patent/CN103375598A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040262562A1 (en) * | 2003-06-26 | 2004-12-30 | Maula Jarmo Ilmari | Diaphragm valve with reliability enhancements for atomic layer deposition |
| CN101311589A (en) * | 2007-05-24 | 2008-11-26 | 阿尔卑斯电气株式会社 | Valve gear |
| CN201093095Y (en) * | 2007-09-29 | 2008-07-30 | 天津市帅普环保科技企业孵化器有限公司 | Novel electromagnetic valve |
| CN101398094A (en) * | 2007-09-29 | 2009-04-01 | 天津市帅普环保科技企业孵化器有限公司 | Overall plastic solenoid valve |
| CN101907179A (en) * | 2010-05-14 | 2010-12-08 | 厦门坤锦电子科技有限公司 | Highly corrosion-resistant diaphragm valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469708A (en) * | 2019-08-02 | 2019-11-19 | 厦门科际精密器材有限公司 | A kind of valve gasket and the proportioning valve with it |
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Application publication date: 20131030 |