CN202451334U - Solenoid flow control valve - Google Patents
Solenoid flow control valve Download PDFInfo
- Publication number
- CN202451334U CN202451334U CN2011205518907U CN201120551890U CN202451334U CN 202451334 U CN202451334 U CN 202451334U CN 2011205518907 U CN2011205518907 U CN 2011205518907U CN 201120551890 U CN201120551890 U CN 201120551890U CN 202451334 U CN202451334 U CN 202451334U
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- Prior art keywords
- control valve
- armature
- valve
- valve body
- flow control
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Abstract
The utility model discloses a solenoid flow control valve. A groove is formed at one end of an iron core, a cylindrical groove and a circular hole which are coaxial are formed on a valve body, a groove is formed at one end of an armature, the other end of the armature is fixedly connected with a valve needle, the armature is contained in the cylindrical groove of the valve body, two ends of a large spring are contained in cylindrical grooves of the armature and the iron core respectively, the valve body is fixed on a casing of the control valve, the large spring is compressed through the armature, the other end of a valve needle penetrates through the circular hole of the valve body, and a valve sheet is arranged on one side which is opposite to the cylindrical groove of the valve body and abuts to one end of a small spring to enable the small spring to be compressed. The solenoid flow control valve is compact in structure and low in noise during operation.
Description
Technical field
The application relates to the fuel supply system of internal-combustion engine, particularly a kind of Electromagnetic Flow control valve.
Background technique
High-pressure service pump Electromagnetic Flow control valve is used to regulate the high-pressure service pump flow, and according to the requirement of Environmental Conditions to high-pressure service pump, the flow of high-pressure service pump is dynamically adjusted in the variation of the control signal of the controller through solenoid valve.
High-pressure service pump Electromagnetic Flow control valve has open in usual and two kinds of structures of Normally closed type.Structure open in usual, solenoid valve is opened when solenoid valve cuts off the power supply, Normally closed type structure, closed electromagnetic valve when solenoid valve cuts off the power supply.
One Chinese patent application 200810174606.1 discloses a kind of solenoid valve of plunger type high-pressure fuel pump, and is as shown in Figure 1, comprises suction valve 5, valve inner gateway 15; Solenoid 90, rod 91, valve body guiding element 33,34; Magnetic loop organizator 35, the framework 36 of formation magnetic circuit, magnetic core 30; Armature 32, rod 91 pass and the magnetic core protuberance of magnetic core 30 31 in the middle of the circular holes that are provided with and being fixed on the armature 32, armature 32 is with magnetic core 30 magnetic attraction; When opening suction valve 5 solenoid 90 is connected, armature 32 is by magnetic core protuberance 31 magnetic attachments of magnetic core 30, and the right-hand member side of armature 32 and the left end side of magnetic core protuberance 31 are connected airtight; At the inner confined space 38 that forms of solenoid valve, between magnetic core protuberance 31 and rod 91, according to rod 91 sleekly the mode of left and right moving be formed with gap 37; Equally, between the inner peripheral surface of the outer circumferential face of armature 32 and magnetic loop organizator 35, also be formed with gap 45, magnetic core 30 right sides form space outerpace 39.
The solenoid valve of the plunger type high-pressure fuel pump that one Chinese patent application 200810174606.1 discloses is made up of the structure more complicated a plurality of component; The mixing ratio of each component is accurate, and the component processing request is high; Rod 91 runs through whole magnetic core 30 and armature 32; Long; This makes that movement parts (rod 91 and armature 32) quality is bigger, make to be easy to generate big noise in the solenoid valve working procedure, and armature 32 also is easy to generate big noise with the collision of magnetic core 30 in the solenoid valve working procedure.
The model utility content
The technical problem that the application will solve provides a kind of Electromagnetic Flow control valve, compact structure, and noise is low during work.
For solving the problems of the technologies described above, the Electromagnetic Flow control valve that the application provides comprises control valve shell, iron core, valve body, armature, needle, big spring;
Said iron core, an end is formed with a groove;
Said valve body is formed with a coaxial cylindrical groove and a circular hole;
Said armature, an end is formed with a groove, and the other end is fixed together with said needle;
The external diameter of said armature is less than the internal diameter of the cylindrical groove of said valve body and greater than the internal diameter of the circular hole of said valve body; The external diameter of said needle is less than the internal diameter of the circular hole of said valve body; Said armature is contained in the said cylindrical groove of valve body one end; The groove of said armature one end with the groove of said iron core one end in opposite directions, the two ends of said big spring are contained in respectively in the groove of said armature, said iron core;
Said valve body is fixed on the control valve shell, and makes said big spring compression through said armature, and the said needle the other end passes the circular hole of said valve body.
The Electromagnetic Flow control valve can also comprise valve block, little spring;
Said valve block is arranged on the opposite side of the cylindrical groove of said valve body, and with an end of said little spring against making said little spring compression.
The other end of said iron core is fixed on the control valve shell, and the other end of said little spring is resisted against on the control valve shell.
Said control valve shell can comprise block, valve bonnet, and the other end of said iron core is fixed on the said block, and the other end of said little spring is resisted against the bottom of said valve bonnet, and said valve body is fixed on the sidewall of said valve bonnet.
The Electromagnetic Flow control valve can also comprise coil, and said coil is arranged on the cylindrical groove and the said iron core periphery of valve body.
Establish the electromagnetism breach on the cylinder outside the cylindrical groove of said valve body.
The Electromagnetic Flow control valve can also comprise a noise control packing ring, and said noise control packing ring is arranged on the bottom of the cylindrical groove of said valve body.
The application's Electromagnetic Flow control valve, grooving in the middle of the armature 81, needle 82 is shorter, has reduced the quality of the movement parts of armature 81 and needle 82 compositions, has reduced the noise that produces in the solenoid valve working procedure.Armature 81 and iron core 3 middle groovings are placed on big spring 10 therebetween, compact structure, and the response time is faster and processing cost is low.Grooving in the middle of the armature 81, influence reduces to electromagnetic performance when reducing the armature quality, has obtained preferable electromagnetic force/mass ratio.Noise control packing ring 9 is a Spielpassung with armature 81, and when solenoid valve was opened, armature 81 moved right; Noise control packing ring 9 at first collides with armature 81, and the energy of collision obtains a part of release, and then collides with valve body 4; Directly clash into valve body 4 with armature 81 like this and compare, noise is effectively reduced.
Description of drawings
In order to be illustrated more clearly in the application's technological scheme; Do simple the introduction in the face of the accompanying drawing of the required use of the application down; Obviously, the accompanying drawing in describing below only is some embodiments of the application, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the solenoid valve schematic representation of one Chinese patent application 200810174606.1 disclosed a kind of plunger type high-pressure fuel pumps;
Fig. 2 is Electromagnetic Flow control valve one embodiment's schematic representation of the application;
Fig. 3 is the application's Electromagnetic Flow control valve one embodiment schematic representation when cutting off the power supply;
Fig. 4 is the application's Electromagnetic Flow control valve one embodiment schematic representation when powering up.
Embodiment
To combine the accompanying drawing among the application embodiment below, the technological scheme among the application embodiment is carried out clear, intactly description, obviously, described embodiment only is the application's part embodiment, rather than whole embodiments.Should be appreciated that preferred embodiment described herein only is used for explanation and explains the application, and be not used in qualification the application.And under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Based on the embodiment among the application, the every other embodiment that those of ordinary skills obtained belongs to the scope that the application protects.
The application's Electromagnetic Flow control valve one embodiment, as shown in Figure 2, comprise control valve shell, coil 2, iron core 3, valve body 4, valve block 6, little spring 7, armature 81, needle 82, noise control packing ring 9, big spring 10;
The control valve shell comprises block 1, valve bonnet 5;
Said iron core 3, one ends are formed with a groove (like cylindrical groove, square hole connected in star etc.), and the other end is fixed on the said block 1 of control valve shell;
Said valve body 4 is formed with a coaxial cylindrical groove and a circular hole;
Said armature 81, one ends are formed with a groove (like cylindrical groove, square hole connected in star etc.), and the other end is fixed together with said needle 82;
The external diameter of said armature 81 is less than the internal diameter of the cylindrical groove of said valve body 4 and greater than the internal diameter of the circular hole of said valve body 4, and the external diameter of said needle 82 is less than the internal diameter of the circular hole of said valve body 4, and said armature 81 is contained in the said cylindrical groove of valve body 4 one ends;
The groove of said armature 81 1 ends with the groove of said iron core 3 one ends in opposite directions, the two ends of said big spring 10 are contained in respectively in the groove of said armature 81, said iron core 3;
Said valve body 4 is fixed on the sidewall of said valve bonnet of control valve shell, and makes said big spring 10 compressions through said armature 81, and said needle 82 the other ends pass the circular hole of said valve body 4;
Said valve block 6 is arranged on the opposite side of the cylindrical groove of said valve body 4, and with an end of said little spring 7 against making said little spring 7 compressions, said little spring 7 the other ends are resisted against on the bottom of said valve bonnet of control valve shell;
Said coil 2 is arranged on the cylindrical groove and the said iron core periphery of valve body 3.
Preferable, the outer cylinder of the cylindrical groove of said valve body 4 is provided with electromagnetism breach (like v-notch, U type etc.) A, to reduce magnetic loss, improves the electromagnetic force of armature.
Preferable, the Electromagnetic Flow control valve also comprises a noise control packing ring 9, and said noise control packing ring 9 is arranged on the bottom of the cylindrical groove of said valve body 4, and noise control packing ring 9 can adopt noise reduction softer metals preferably.
This Electromagnetic Flow control valve, as shown in Figure 2 during outage, the power of big spring 10 is much larger than the power of little spring 7, and under big spring 10 and little spring 7 action of pressure, armature 81 and needle 82 make the sealing of valve block 6 disengagings and valve body 4, and solenoid valve is opened, and connects oil circuit.During oil-feed, liquid flow direction is identical with direction shown in Figure 3; During oil return, liquid fluid direction and shown in Figure 3 in the opposite direction.When powering up, as shown in Figure 4, electromagnetic force overcomes the spring force of big spring, and armature and needle break away from valve block, and under the elastic force effect of little spring, valve block and valve seal cut off oil circuit.
The application's Electromagnetic Flow control valve, grooving in the middle of the armature 81, needle 82 is shorter, has reduced the quality of the movement parts of armature 81 and needle 82 compositions, has reduced the noise that produces in the solenoid valve working procedure.Armature 81 and iron core 3 middle groovings are placed on big spring 10 therebetween, compact structure, and the response time is faster and processing cost is low.Grooving in the middle of the armature 81, influence reduces to electromagnetic performance when reducing the armature quality, has obtained preferable electromagnetic force/mass ratio.Noise control packing ring 9 is a Spielpassung with needle 82, and when solenoid valve was opened, armature 81 moved right; Noise control packing ring 9 at first collides with armature 81, and the energy of collision obtains a part of release, and then collides with valve body 4; Directly clash into valve body 4 with armature 81 like this and compare, noise is effectively reduced.The noise control packing ring adopts softer metals, also can reduce the noise of bump.
The above is merely the application's preferred embodiment, and is in order to restriction the application, not all within the application's spirit and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the application protects.
Claims (10)
1. an Electromagnetic Flow control valve is characterized in that, comprises control valve shell, iron core, valve body, armature, needle, big spring;
Said iron core, an end is formed with a groove;
Said valve body is formed with a coaxial cylindrical groove and a circular hole;
Said armature, an end is formed with a groove, and the other end is fixed together with said needle;
The external diameter of said armature is less than the internal diameter of the cylindrical groove of said valve body and greater than the internal diameter of the circular hole of said valve body; The external diameter of said needle is less than the internal diameter of the circular hole of said valve body; Said armature is contained in the said cylindrical groove of valve body one end; The groove of said armature one end with the groove of said iron core one end in opposite directions, the two ends of said big spring are contained in respectively in the groove of said armature, said iron core;
Said valve body is fixed on the control valve shell, and makes said big spring compression through said armature, and the said needle the other end passes the circular hole of said valve body.
2. Electromagnetic Flow control valve according to claim 1 is characterized in that the Electromagnetic Flow control valve also comprises valve block, little spring;
Said valve block is arranged on the opposite side of the cylindrical groove of said valve body, and with an end of said little spring against making said little spring compression.
3. Electromagnetic Flow control valve according to claim 2 is characterized in that,
The other end of said iron core is fixed on the control valve shell, and the other end of said little spring is resisted against on the control valve shell.
4. Electromagnetic Flow control valve according to claim 3 is characterized in that,
Said control valve shell comprises block, valve bonnet, and the other end of said iron core is fixed on the said block, and the other end of said little spring is resisted against the bottom of said valve bonnet, and said valve body is fixed on the sidewall of said valve bonnet.
5. Electromagnetic Flow control valve according to claim 1 is characterized in that,
The Electromagnetic Flow control valve also comprises coil, and said coil is arranged on the cylindrical groove and the said iron core periphery of valve body.
6. Electromagnetic Flow control valve according to claim 1 is characterized in that,
Establish the electromagnetism breach on the cylinder outside the cylindrical groove of said valve body.
7. according to the described Electromagnetic Flow control valve of claim, it is characterized in that,
Said electromagnetism breach is V-type or U type.
8. Electromagnetic Flow control valve according to claim 1 is characterized in that,
The groove that said iron core one end and said armature one end form is cylindricality or square hole shape.
9. according to each described Electromagnetic Flow control valve of claim 1 to 8, it is characterized in that,
The Electromagnetic Flow control valve also comprises a noise control packing ring, and said noise control packing ring is arranged on the bottom of the cylindrical groove of said valve body.
10. Electromagnetic Flow control valve according to claim 7 is characterized in that,
Said noise control packing ring adopts softer metals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205518907U CN202451334U (en) | 2011-12-26 | 2011-12-26 | Solenoid flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205518907U CN202451334U (en) | 2011-12-26 | 2011-12-26 | Solenoid flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202451334U true CN202451334U (en) | 2012-09-26 |
Family
ID=46867202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205518907U Expired - Lifetime CN202451334U (en) | 2011-12-26 | 2011-12-26 | Solenoid flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202451334U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562394A (en) * | 2011-12-26 | 2012-07-11 | 联合汽车电子有限公司 | Electromagnetic flow control valve |
-
2011
- 2011-12-26 CN CN2011205518907U patent/CN202451334U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562394A (en) * | 2011-12-26 | 2012-07-11 | 联合汽车电子有限公司 | Electromagnetic flow control valve |
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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: 20120926 |
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| CX01 | Expiry of patent term |