CN203442284U - Straight-through type high-speed electromagnetic valve - Google Patents
Straight-through type high-speed electromagnetic valve Download PDFInfo
- Publication number
- CN203442284U CN203442284U CN201320458114.1U CN201320458114U CN203442284U CN 203442284 U CN203442284 U CN 203442284U CN 201320458114 U CN201320458114 U CN 201320458114U CN 203442284 U CN203442284 U CN 203442284U
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- iron core
- valve seat
- straight
- type high
- moving iron
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Abstract
The utility model provides a straight-through type high-speed electromagnetic valve, which comprises a valve seat, a draft tube, a fixed iron core, a movable iron core and a solenoid, wherein the fixed iron core and the movable iron core are coaxially placed in the draft tube, the fixed iron core is fixedly inserted into the draft tube through a fixed iron core sealing ring; a spring is arranged in the outlet end, which is toward the movable iron core, of the draft tube, one end of the spring is blocked on the movable iron core and the other end of the spring is pressed in the valve seat; the draft tube is inserted into the solenoid, the solenoid is fixed through a nut and the draft tube, a central hole is arranged at the center of the movable iron core, a notch is arranged in the end face of the outlet of the movable iron core, a transverse through hole is arranged in the periphery of the notch, the transverse through hole is connected to the central hole, and a sealing fin is arranged at the end part of the notch. The solenoid is connected to a capacitor in parallel. The straight-through type high-speed electromagnetic valve has the beneficial effects that the central hole of the movable iron core is connected to the transverse through hole, so that the movement resistance of the movable iron core is reduced, and the valve response time of the electromagnetic valve is shortened; the capacitor delay is realized, the reverse electromotive force is lowered, and the interference is reduced.
Description
Technical field
The utility model belongs to Solenoid Valve Technology field, is specifically related to a kind of straight-through type high-speed electromagnetic valve.
Background technique
At present, known Through solenoid valve structure is by inlet union, outlet connection, and valve body, is enclosed within the electromagnetic coil of valve body outside, the fixed core of valve inner and movable core, and spring and valve seat form.By electromagnetic coil, do not stop to such an extent that electric and dead electricity realizes the quick opening and closing of high-speed electromagnetic valve, thereby reach the object of controlling flow.But, because electromagnetic valve coil is inductance element, during energising, have recoil electromotive force, can cause the opening time to postpone.Meanwhile, the resistance to motion of general high speed electromagnetic valve actuation iron core is larger.The response time that these have all increased high-speed electromagnetic valve, affected the combination property of solenoid valve.
Summary of the invention
The technical problems to be solved in the utility model is, large in order to overcome existing high speed electromagnetic valve actuation iron core resistance to motion, the problem that response time is slow, a kind of straight-through type high-speed electromagnetic valve is provided, this solenoid valve can not only reduce moving iron core resistance to motion, improve solenoid valve speed of response, and can extension coil working life.
The utility model is to solve the problems of the technologies described above adopted technological scheme to be:
Straight-through type high-speed electromagnetic valve, comprises valve seat, guide pipe, fixed core, moving iron core and electromagnetic coil, and fixed core, moving iron core are coaxially placed in guide pipe, and fixed core inserts in guide pipe fixing by fixed core seal ring; Guide pipe is provided with spring in the outlet end of moving iron core, and spring one end is stuck on moving iron core, and the other end is pressed in valve seat inside; It is inner that guide pipe inserts electromagnetic coil, and electromagnetic coil is fixed by nut and guide pipe, and described moving core center has center hole, the exit end face of moving iron core offers notch, the surrounding of notch offers cross through hole, and cross through hole communicates with center hole, and the end of notch is provided with diaphragm seal.
Press such scheme, on described electromagnetic coil, be parallel with an electric capacity.
Press such scheme, between described fixed core and moving iron core, be provided with cushion pad, in the aperture that cushion pad insertion fixed core internal end surface is offered.
Press such scheme, described valve seat dwindles gradually towards the end face opening of diaphragm seal direction.
Press such scheme, described valve seat is towards the tapered cylindrical surface structure of end face of diaphragm seal direction.
Press such scheme, the outer ring of described valve seat offers some valve seat through-holes, and the end face of valve seat through-hole is taper, and the cone point of tapered end face is towards diaphragm seal direction.
Press such scheme, described valve seat through-hole is provided with eight, around the outer ring of valve seat, is evenly arranged.
Press such scheme, on described valve seat, have valve seat insert.
Press such scheme, guide pipe is large, little towards the bore of fixed core one end towards the bore of moving iron core one end.
Press such scheme, described valve seat insert and fixed core seal ring are O RunddichtringO.
Working principle of the present utility model: under the elastic force effect of spring, moving iron core is away from valve seat.When electromagnetic coil is switched on, because electromagnetic force is greater than spring force, moving iron core is to the motion of valve seat direction, and diaphragm seal end face is squeezed on valve seat tapered cylinder face, thus cut-off valve block hole.By offering center hole at the center of moving iron core, then in the surrounding of moving iron core outlet end notch, offer cross through hole, center hole communicates with cross through hole, for medium circulation, moving like this iron core is in guide pipe during high speed back and forth movement, guide pipe internal pressure and valve seat internal pressure equate, reduced the resistance to motion of moving iron core, the response time of solenoid valve accelerates, by PWM(Pulse Width Modulation Control) control voltage, realize the uninterrupted opening and closing of solenoid valve, thus control media flow.
Simultaneously, an electric capacity in parallel on electromagnetic coil, the voltage at electric capacity two ends can not suddenly change, owing to being equivalent to inductive element after electromagnetic coil energising, and after upper electric capacity, just can delay and reduce the inverse electromotive force of electromagnetic coil, thereby accelerate the response time of high-speed electromagnetic valve, extend the working life of high-speed electromagnetic valve; And after also upper electric capacity, electric current is more stable, electric capacity itself can also play the jamming-proof effect of filtering.
The utlity model has following beneficial effect:
1, by the center hole in moving core center, communicate with the cross through hole of moving iron core outlet end notch, for medium circulation, realizing guide pipe internal pressure and valve seat internal pressure equates, thereby reduce the resistance to motion of moving iron core, accelerate the response time of solenoid valve, solved existing high-speed electromagnetic valve resistance to motion larger, the problem that the response time is slow;
2, high-speed electromagnetic valve is realized and is closed and open by contacting of the moving diaphragm seal of iron core outlet end and the tapered cylinder face of valve seat, is convenient to the abundant sealed electromagnetic valve of diaphragm seal, does not leak outside, favorable sealing property;
3, also upper electric capacity delays and reduces the inverse electromotive force of electromagnetic coil, and the response time of further accelerating high-speed electromagnetic valve, electric capacity itself can also play the jamming-proof effect of filtering simultaneously;
4, high-speed electromagnetic valve is simple in structure, and movement parts is few, and cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model straight-through type high-speed electromagnetic valve;
Fig. 2 is the right elevation of Fig. 1;
In figure, 1. electromagnetic coil, 2. fixed core, 3. guide pipe, 4. cushion pad, 5. moving iron core, 51. center holes, 52. cross through hole, 53. notches, 6. spring, 7. diaphragm seal, 8. valve seat, 81. valve seat through-holes, 9. valve seat insert, 10. fixed core seal ring, 11. electric capacity, 12. nuts.
Embodiment
Below in conjunction with drawings and Examples, the utility model is elaborated.
Shown in Fig. 1 ~ Fig. 2, straight-through type high-speed electromagnetic valve described in the utility model, comprise valve seat 8, guide pipe 3, fixed core 2, moving iron core 5 and electromagnetic coil 1, fixed core 2, moving iron core 5 are coaxially placed in guide pipe 3, and it is interior fixing that fixed core 2 inserts guide pipe 3 by fixed core seal ring 10; Guide pipe 3 is provided with spring 6 in the outlet end of moving iron core 5, and spring 6 one end are stuck on moving iron core 5, and the other end is pressed in valve seat 8 inside; Guide pipe 3 inserts electromagnetic coil 1 inside, electromagnetic coil 1 is by the special flat serrated nut of the little hexagonal of nut 12() and guide pipe 3 fix, described moving iron core 5 centers have center hole 51, the exit end face of moving iron core 5 offers notch 53, the surrounding of notch 53 offers cross through hole 52, and cross through hole 52 communicates with center hole 51, for medium circulation, the end of notch 53 is provided with diaphragm seal 7(diaphragm seal 7 and squeezes in notch 53, guarantees that the outlet of solenoid valve can be sealed reliably).
On described electromagnetic coil 1, be parallel with an electric capacity 11.
Between described fixed core 2 and moving iron core 5, be provided with cushion pad 4, in the aperture that cushion pad 4 insertion fixed core 2 internal end surface are offered, cushion pad 4 can prevent collision generation wearing and tearing and heating mutually between fixed core 2, moving iron core 5, also can be used for adjusting the stroke of moving iron core 5 simultaneously.
Described valve seat 8 dwindles gradually towards the end face opening of diaphragm seal 7 directions, thereby while making moving iron core 5 back and forth movement, diaphragm seal 7 is opening and closing solenoid valve reliably.
Described valve seat 8 is towards the tapered cylindrical surface structure of end face of diaphragm seal 7 directions.
The outer ring of described valve seat 8 offers some valve seat through-holes 81, and the end face of valve seat through-hole 81 is taper, and the cone point of tapered end face is towards diaphragm seal 7 directions.
Described valve seat through-hole 81 is provided with eight, around the outer ring of valve seat 8, is evenly arranged, and different by the mode of interface, these valve seat through-holes 81 can be used as inlet hole, also can be used as air outlet hole.
On described valve seat 8, there is valve seat insert 9, when valve seat insert 9 is connected with corollary equipment for valve seat 8, prevent from revealing.
Described guide pipe 3 is towards the bore of moving iron core 5 one end bore large, towards fixed core 2 one end little (whole stepped).
Described valve seat insert 9 and fixed core seal ring 10 are O RunddichtringO.
During the utility model work, under the elastic force effect of spring 6, moving iron core 5 is away from valve seat 8.When electromagnetic coil 1 energising, because electromagnetic force is greater than spring force, moving iron core 5 is to valve seat 8 direction motions, and diaphragm seal 7 end faces are squeezed on valve seat 8 tapered cylinder faces, thus cut-off valve block hole 81.By offering center hole 51 at the center of moving iron core 5, then in the surrounding of moving iron core 5 outlet end notches 53, offer cross through hole 52, center hole 51 communicates with cross through hole 52, for medium circulation, moving like this iron core 5 is when the interior high speed back and forth movement of guide pipe 3, guide pipe 3 internal pressures and valve seat 8 internal pressures equate, reduced the resistance to motion of moving iron core 3, accelerate the response time of solenoid valve, by PWM(Pulse Width Modulation Control) control voltage, realize the uninterrupted opening and closing of solenoid valve, thus control media flow.
Simultaneously, an electric capacity 11 in parallel on electromagnetic coil 1, the voltage at electric capacity 11 two ends can not suddenly change, owing to being equivalent to inductive element after electromagnetic coil 1 energising, and just can delay and reduce the inverse electromotive force of electromagnetic coil 1 after upper electric capacity 11, thereby further accelerate the response time of high-speed electromagnetic valve, extend the working life of high-speed electromagnetic valve; And after also upper electric capacity, electric current is more stable, electric capacity 11 itself can also play the jamming-proof effect of filtering.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improve, within all should being included in protection domain of the present utility model.
Claims (9)
1. straight-through type high-speed electromagnetic valve, comprise valve seat (8), guide pipe (3), fixed core (2), moving iron core (5) and electromagnetic coil (1), fixed core (2), moving iron core (5) are coaxially placed in guide pipe (3), and fixed core (2) inserts in guide pipe (3) fixing by fixed core seal ring (10); Guide pipe (3) is provided with spring (6) in the outlet end of moving iron core (5), and it is upper that spring (6) one end is stuck in moving iron core (5), and the other end is pressed in valve seat (8) inside; Guide pipe (3) inserts electromagnetic coil (1) inside, electromagnetic coil (1) is fixing by nut (12) and guide pipe (3), it is characterized in that: described moving iron core (5) center has center hole (51), the exit end face of moving iron core (5) offers notch (53), the surrounding of notch (53) offers cross through hole (52), cross through hole (52) communicates with center hole (51), and the end of notch (53) is provided with diaphragm seal (7).
2. straight-through type high-speed electromagnetic valve as claimed in claim 1, is characterized in that: on described electromagnetic coil (1), be parallel with an electric capacity (11).
3. straight-through type high-speed electromagnetic valve as claimed in claim 1, is characterized in that: between described fixed core (2) and moving iron core (5), be provided with cushion pad (4), in the aperture that cushion pad (4) insertion fixed core (2) internal end surface is offered.
4. straight-through type high-speed electromagnetic valve as claimed in claim 1, is characterized in that: described valve seat (8) dwindles gradually towards the end face opening of diaphragm seal (7) direction.
5. straight-through type high-speed electromagnetic valve as claimed in claim 4, is characterized in that: described valve seat (8) is towards the tapered cylindrical surface structure of end face of diaphragm seal (7) direction.
6. straight-through type high-speed electromagnetic valve as claimed in claim 1, is characterized in that: the outer ring of described valve seat (8) offers some valve seat through-holes (81), and the end face of valve seat through-hole (81) is taper, and the cone point of tapered end face is towards diaphragm seal (7) direction.
7. straight-through type high-speed electromagnetic valve as claimed in claim 6, is characterized in that: described valve seat through-hole (81) is provided with eight, around the outer ring of valve seat (8), is evenly arranged.
8. straight-through type high-speed electromagnetic valve as claimed in claim 1, is characterized in that: on described valve seat (8), have valve seat insert (9).
9. straight-through type high-speed electromagnetic valve as claimed in claim 1, is characterized in that: guide pipe (3) is large, little towards the bore of fixed core (2) one end towards the bore of moving iron core (5) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320458114.1U CN203442284U (en) | 2013-07-30 | 2013-07-30 | Straight-through type high-speed electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320458114.1U CN203442284U (en) | 2013-07-30 | 2013-07-30 | Straight-through type high-speed electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203442284U true CN203442284U (en) | 2014-02-19 |
Family
ID=50093341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320458114.1U Expired - Lifetime CN203442284U (en) | 2013-07-30 | 2013-07-30 | Straight-through type high-speed electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203442284U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388704A (en) * | 2013-07-30 | 2013-11-13 | 湖北天雄科技有限公司 | Straight-through high-speed electromagnetic valve |
| CN105280432A (en) * | 2015-10-09 | 2016-01-27 | 东南大学 | Long-stroke permanent magnet operating mechanism with magnetic bridge and auxiliary weak magnetic coil for high-voltage vacuum circuit breaker |
| CN108278401A (en) * | 2018-01-23 | 2018-07-13 | 谭凯诺 | A kind of porous output high-speed electromagnetic valve |
-
2013
- 2013-07-30 CN CN201320458114.1U patent/CN203442284U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388704A (en) * | 2013-07-30 | 2013-11-13 | 湖北天雄科技有限公司 | Straight-through high-speed electromagnetic valve |
| CN105280432A (en) * | 2015-10-09 | 2016-01-27 | 东南大学 | Long-stroke permanent magnet operating mechanism with magnetic bridge and auxiliary weak magnetic coil for high-voltage vacuum circuit breaker |
| CN108278401A (en) * | 2018-01-23 | 2018-07-13 | 谭凯诺 | A kind of porous output high-speed electromagnetic 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: 20140219 |
|
| CX01 | Expiry of patent term |