CN102128297B - Directly operated type electromagnetic regulating valve regulated separately - Google Patents
Directly operated type electromagnetic regulating valve regulated separately Download PDFInfo
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- CN102128297B CN102128297B CN201010586116XA CN201010586116A CN102128297B CN 102128297 B CN102128297 B CN 102128297B CN 201010586116X A CN201010586116X A CN 201010586116XA CN 201010586116 A CN201010586116 A CN 201010586116A CN 102128297 B CN102128297 B CN 102128297B
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Abstract
The invention discloses a directly operated type electromagnetic regulating valve regulated separately. The regulating valve comprises a valve port, wherein the valve port is provided with a valve plug and a spring; the upper part of the valve plug is connected with an electromagnetic adjusting device; the electromagnetic adjusting device comprises a wire coil; the upper interior of the core hole of the wire coil is provided with a magnetizer; the lower interior of the core hole of the wire coil is provided with an armature; the upper part of the valve plug is connected with the armature; the wire coil is provided with a shell; the lower part of the shell is screwed into the valve seat through threads; a lower pressing nut is arranged between the valve seat ad the lower part of the shell; the upper part of the shell is provided with an upper cover; the magnetizer is in threaded connection with the upper cover; and an upper pressing nut is arranged between the magnetizer and the upper cover. The clearance between the armature and the magnetizer and the pretightening force can be adjusted separately and are not influenced mutually, the operation is simple, and the accuracy of the valve can not be influenced.
Description
Technical field
The present invention relates to a kind of direct-acting type electromagnetism modulating valve, relate in particular to a kind of direct-acting type electromagnetism modulating valve of separate regulation.
Background technique
In productive life, relate in the conveying of gas, combustion gas and steam, flow is measured and control is very important, wherein direct-acting type electromagnetism modulating valve is a kind of solenoid valve door commonly used.
As shown in Figure 1; Direct-acting type electromagnetism modulating valve of the prior art comprises valve seat 1, and valve seat 1 is provided with valve port 2, and valve port 2 places are provided with spool 3 and spring 4; The pretightening force of spring 4 is pressed in valve port 2 places with spool 3 and realizes sealing, and the top of spool 3 is connected with electromagnetic control device.Electromagnetic control device comprises coil 5; The top in coil core hole is provided with magnet case 6, and the bottom is provided with armature 7, and the top of spool 3 and armature 7 are through being threaded together; Armature 7 drives spool 3 and moves up and down under the effect of the electromagnetic force of coil 5, realize the switch control to valve.Magnet case 6 is fixedly connected with the threaded connector 9 of bottom through connecting sleeve 8, and threaded connector 9 is screwed on the valve seat 1.Afterwards, coil 5 is enclosed within the outside of magnet case 6 and connecting sleeve 8 and is pressed on the valve seat 1, and the top of magnet case 6 is fastening through nut 10.
According to designing requirement, there is certain clearance between armature 7 and the magnet case 6.The shortcoming of this valve is: when needs are adjusted the pretightening force of spring 4, at first to unclamp nut 10, and then the screw-in degree of adjustment threaded connector 9 in valve seat 1, again that nut 10 is fastening afterwards.Can influence the gap length between armature 7 and the magnet case 6 after this adjustment; Because magnet case 6 threaded connector 9 through connecting sleeve 8 and bottom is for being fixedly connected; Magnet case 6 can only be with threaded connector 9 motions; So can not continue to regulate the gap length between armature 7 and the magnet case 6 separately, thereby influence the control accuracy and the performance of valve.
Summary of the invention
The gap that the purpose of this invention is to provide between a kind of armature and the magnet case separates adjustment with the pretightening force of spring, is independent of each other, the direct-acting type electromagnetism modulating valve of the separate regulation of simple to operate, the control performance that can not influence valve and precision.
The objective of the invention is to realize through following technological scheme:
The direct-acting type electromagnetism modulating valve of separate regulation of the present invention; Comprise valve port, the valve port place is provided with spool, spring, and the top of spool is connected with electromagnetic control device; Said electromagnetic control device comprises coil; Top in the coil core hole is provided with magnet case, and the bottom is provided with armature, and the top of said spool and armature are through being threaded together.Said coil is provided with shell, and the bottom of said shell is through being threaded in the said valve seat, and is provided with lower compression nut between the bottom of said valve seat and said shell;
The top of said shell is provided with loam cake, and said magnet case is threaded with said loam cake, and is provided with gland nut between said magnet case and the said loam cake.
Technological scheme by the invention described above provides can be found out; The direct-acting type electromagnetism modulating valve of separate regulation of the present invention; Because the gap between armature and the magnet case and the pretightening force of spring are separated adjustment, be independent of each other, simple to operate, the control accuracy and the performance that can not influence valve.And the pretightening force of the gap between armature and the magnet case and reed can not separate regulation in the original structure.
Description of drawings
Fig. 1 is the structural representation of direct-acting type electromagnetism modulating valve of the prior art;
Fig. 2 is the structural representation of the direct-acting type electromagnetism modulating valve of separate regulation of the present invention.
Embodiment
The direct-acting type electromagnetism modulating valve of separate regulation of the present invention, its preferable embodiment is as shown in Figure 2, comprises valve port 2; Valve port 2 places are provided with spool 3, spring 4; The top of spool 3 is connected with electromagnetic control device, and said electromagnetic control device comprises coil 5, and the top in the coil 5 core holes is provided with magnet case 6; The bottom is provided with armature 7, and the top of said spool 3 and armature 7 are through being threaded together.Said coil 5 is provided with shell 11, and the bottom of said shell 11 is through being threaded in the said valve seat 1, and is provided with lower compression nut 17 between the bottom of said valve seat 1 and said shell 11;
The top of said shell 11 is provided with loam cake 13, and said magnet case 6 is threaded with said loam cake 13, and is provided with gland nut 12 between said magnet case 6 and the said loam cake 13.
Can be threaded between the top of said shell 11 and the said loam cake 13.
Adjustment principle of the present invention is: the bottom of the shell 11 of coil 5 is through being threaded in the valve seat 1, and is provided with lower compression nut 17 between the bottom of valve seat 1 and shell 11.When needs are adjusted the pretightening force of spring 4, lower compression nut 17 is unclamped, after the screw-in degree of adjustment shell 11 in valve seat 1, tighten lower compression nut 17 and get final product.Though can influence the size in the gap between armature 7 and the magnet case 6 after this adjustment, can not influence the control performance and the precision of valve, main cause is the gap length that in operating procedure subsequently, can regulate separately between armature 7 and the magnet case 6.
When needs are regulated the gap between armature 7 and the magnet case 6, will go up gland nut 12 and unclamp, the screw-in degree between adjustment magnet case 6 and the loam cake 13 compresses gland nut 12 afterwards and gets final product.Can not influence the size of the pretightening force of spring 4 after this adjustment.
Among the present invention, the gap between armature 7 and the magnet case 6 and the pretightening force of spring 4 are separated adjustment and be independent of each other, and be simple to operate, can not influence the control accuracy and the performance of valve.And the pretightening force of the gap between armature 7 and the magnet case 6 and reed 4 can not separate regulation in the original structure.
Another one inventive point of the present invention is:
As shown in Figure 2, the bottom of said magnet case 6 is provided with locating stud 14, and the top of said armature 7 is provided with corresponding positioning pin hole; Perhaps, the top of said armature 7 is provided with locating stud 14, and the bottom of said magnet case 6 is provided with corresponding positioning pin hole.
Through the cooperation of locating stud 14 with corresponding positioning pin hole, when armature 7 is moved up and down, avoid swing in the core hole of coil 5, improve the control accuracy and the performance of valve control.
Can be provided with guide pin bushing 16 in the described positioning pin hole, said locating stud 14 is inserted in the said guide pin bushing 16.Said guide pin bushing 16 is special high-abrasive material, and such as being quartz material, said locating stud 14 can be stainless steel material.Guide pin bushing 16 can be pressed in the said positioning pin hole through gland 15.Use special high-abrasive material can improve steering capability and working life between locating stud and the positioning pin hole as guide pin bushing.
As shown in Figure 1; Direct-acting type electromagnetism modulating valve of the prior art; When armature 7 moved up and down in the core hole of coil 5, because armature 7 tops and core hole lack constraint, armature 7 was swung easily; The swing of armature 7 makes moving up and down that armature 7 can not be level and smooth in the core hole, and influences the control accuracy and the performance of valve.
Among the present invention, be provided with corresponding locating stud and positioning pin hole between magnet case and the armature.Through the cooperation of locating stud with corresponding positioning pin hole, when armature is moved up and down, avoid swing in the core hole of coil, improve the control accuracy and the performance of valve.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (5)
1. the direct-acting type electromagnetism modulating valve of a separate regulation comprises valve port, and the valve port place is provided with spool, spring; The top of spool is connected with electromagnetic control device, and said electromagnetic control device comprises coil, and the top in the coil core hole is provided with magnet case; The bottom is provided with armature, and the top and the armature of said spool link together, and it is characterized in that; Said coil is provided with shell; The bottom of said shell is through being threaded in the valve seat, and is provided with lower compression nut between the bottom of said valve seat and said shell, can adjust the pretightening force of said spring through adjusting the screw-in degree of said shell in said valve seat;
The top of said shell is provided with loam cake, and said magnet case is threaded with said loam cake, and is provided with gland nut between said magnet case and the said loam cake;
The bottom of said magnet case is provided with locating stud, and the top of said armature is provided with corresponding positioning pin hole; Perhaps, the top of said armature is provided with locating stud, and the bottom of said magnet case is provided with corresponding positioning pin hole.
2. the direct-acting type electromagnetism modulating valve of separate regulation according to claim 1 is characterized in that, is threaded between the top of said shell and the said loam cake.
3. the direct-acting type electromagnetism modulating valve of separate regulation according to claim 1 is characterized in that, be provided with guide pin bushing in the described positioning pin hole, said locating stud is inserted in the said guide pin bushing.
4. the direct-acting type electromagnetism modulating valve of separate regulation according to claim 3 is characterized in that, said guide pin bushing is a quartz material, and said locating stud is a stainless steel material.
5. the direct-acting type electromagnetism modulating valve of separate regulation according to claim 4 is characterized in that said guide pin bushing is pressed in the said positioning pin hole through gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010586116XA CN102128297B (en) | 2010-12-08 | 2010-12-08 | Directly operated type electromagnetic regulating valve regulated separately |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010586116XA CN102128297B (en) | 2010-12-08 | 2010-12-08 | Directly operated type electromagnetic regulating valve regulated separately |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102128297A CN102128297A (en) | 2011-07-20 |
| CN102128297B true CN102128297B (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010586116XA Active CN102128297B (en) | 2010-12-08 | 2010-12-08 | Directly operated type electromagnetic regulating valve regulated separately |
Country Status (1)
| Country | Link |
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| CN (1) | CN102128297B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518847B (en) * | 2011-11-30 | 2014-06-11 | 北京七星华创电子股份有限公司 | Novel gas adjusting device |
| CN106352147A (en) * | 2016-10-10 | 2017-01-25 | 合肥协力液压科技有限公司 | Electromagnetic sandwich valve |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85205140U (en) * | 1985-04-01 | 1987-01-14 | 浙江省瑞安永久机电研究所 | 3-position electromagnetic valve |
| JPH11201312A (en) * | 1998-01-12 | 1999-07-30 | Mitsubishi Electric Corp | Solenoid valve |
| CN2459504Y (en) * | 2000-05-08 | 2001-11-14 | 王书镭 | Power saving dc elecromagnetic valve |
| CN2476687Y (en) * | 2001-04-18 | 2002-02-13 | 廖根财 | Magnetic valve |
| CN2856613Y (en) * | 2005-12-27 | 2007-01-10 | 北京七星华创电子股份有限公司 | Electromagnetic regulation valve for quality flow controller |
| CN102042414B (en) * | 2010-12-08 | 2012-12-26 | 北京七星华创电子股份有限公司 | Direct-acting type electromagnetic regulating valve with locating stud |
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2010
- 2010-12-08 CN CN201010586116XA patent/CN102128297B/en active Active
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| Publication number | Publication date |
|---|---|
| CN102128297A (en) | 2011-07-20 |
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