CN105972249A - Normally open solenoid valve - Google Patents
Normally open solenoid valve Download PDFInfo
- Publication number
- CN105972249A CN105972249A CN201610509946.XA CN201610509946A CN105972249A CN 105972249 A CN105972249 A CN 105972249A CN 201610509946 A CN201610509946 A CN 201610509946A CN 105972249 A CN105972249 A CN 105972249A
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- China
- Prior art keywords
- valve
- seat
- valve seat
- normally open
- open solenoid
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/0624—Lift valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention relates to the technical field of automobile brake anti-lock systems and automobile body electronics stable control systems, in particular to a normally open solenoid valve which comprises a valve seat, a valve connecting sleeve, a fluid valve block and a one-way valve sealing closing element, wherein the valve seat comprises a valve primary seal holder, a valve seat boss and a valve seat bottom; the valve seat boss is in interference fit with the valve connecting sleeve; the valve seat bottom is in interference fit with the fluid valve block; the valve connecting sleeve is provided with a first passage; the valve seat bottom is provided with a second passage communicating with the first passage; the one-way valve sealing closing element is arranged in the second passage. According to the invention, the valve seat is directly assembled with the valve connecting sleeve and the fluid valve block in an interference fit manner without a valve seat transitional part, so that the phenomenon that the valve seat transitional part is loosen due to the creep phenomenon and hydraulic impact force during the operation process of the solenoid valve is avoided, the usability and reliability of the solenoid valve are improved, and a stand bar and other height compensation sealing parts are not required to reduce the manufacturing cost.
Description
Technical field
The present invention relates to anti-blocking brake system of automobile and body of a motor car electronic stabilizing control system
Technical field, particularly relates to a kind of normally open solenoid valve, specifically one and can improve magnetic valve performance
Normally open solenoid valve with reliability.
Background technology
At present, for the structure of a kind of routine and the form such as Fig. 1 that is fixedly connected thereof of normally open solenoid valve
Shown in, it includes valve shell 12, valve adapter sleeve 21, tappet 14, armature 11, back-moving spring
13 and valve base sealing assembly 10.Valve adapter sleeve 21 comprises first passage 21-1, valve adapter sleeve
21 upper ends are inserted in valve shell 12 and are fixed by modes such as welding, crimping, and electromagnetic valve passes through valve
The flange flange 12-1 of shell 12 and inlay the packing position 40-3 of lining 15 and fluid valve block 40
It is fixedly connected and forms the hydraulic packing of environment to external world.The lower end of valve adapter sleeve 21 couples valve seat
Black box 10, valve base sealing assembly 10 includes valve seat 30 and valve seat transition piece 23.Valve seat mistake
Cross part 23 and include that 23-1 bottom valve seat transition piece, valve seat transition piece boss 23-2 and check valve are close
Envelope seat 26, valve seat transition piece boss 23-2 coordinates connection to form valve seat hydraulic packing with valve seat 30
Coupling 29, bottom valve seat transition piece, 23-1 coordinates connection to form valve seat hydraulic pressure with fluid valve block 40
Sealingly connect 24.Flat filter screen 25 is positioned at check valve and seals lower section and the valve seat of closing element 27
Bottom transition piece, 23-1 couples.
It will be seen from figure 1 that it is close for guaranteeing raising valve seat hydraulic packing connection 24 and valve seat hydraulic pressure
Envelope couples the reliability of 29, and valve seat transition piece 23 is typically injection molding, and valve seat
Transition piece 23 passes through bottom valve seat transition piece boss 23-2 and valve seat 30 and valve seat transition piece respectively
23-1 couples formation and seals with fluid valve block 40 interference fit, in the case of low-pressure, and this interference
Coordinate the reliability being enough to ensure that valve seat hydraulic packing couples 24,29, in the case of high pressure,
Except interference fit, in addition it is also necessary to there is 23-1 bottom valve seat transition piece boss 23-2 and valve seat transition piece
Because of high pressure effect, radial deformation is close to valve seat 30 and fluid valve block 40 outward thus is improved close
Envelope reliability.But, needs based on radial deformation, valve seat transition piece boss 23-2 and valve seat
Bottom transition piece, the wall thickness of 23-1 is typically smaller, and interference fit power is not enough to overcome valve seat
The hydraulic coupling that transition piece 23 is born is impacted and is avoided axial displacement.For solving this problem, logical
Cross arrange on the flat filter screen 25 being installed on below valve seat transition piece 23 sufficiently long compressible
Multiple leg 25-1 provide the support force acting on valve seat transition piece 23 upwards, yet with
A series of manufacturing and fixing errors from top to bottom are intended to be compensated by the height of leg 25-1,
The leg compression height of actual design must meet the corresponding support force to valve seat transition piece 23
Corresponding length on the basis of increase compensating length.Nonetheless, become a mandarin electromagnetic valve is press-fited
During body valve block 40, it is inevitable after the leg 25-1 compressive deformation of plastic material equally
Ground plastic deformation produces overlap, and overlap can come off formation chip under hydraulic coupling repeated stock effect,
Block the sieves of flat filter screen 25 and reduce the actual flow area of electromagnetic valve, chip also can flow backwards into
Enter master cylinder passage 40-2 consequently, it is possible to master cylinder is produced impact.Worse situation is, at electricity
In magnet valve long-term operation, the metal material that relative hardness is bigger, the plastic material that hardness is much smaller,
In leg 25-1 and fluid valve block 40 contact position, due to the repeated action of the highest hydraulic coupling, meeting
Produce creep so that support foot hight tapers into, when the elastic deformation resilience of leg 25-1
When being insufficient to compensate for creep compliance, flat filter screen 25 will move down, and valve seat transition piece 23 will lose support
And produce axial displacement, and under the upper and lower percussion of hydraulic coupling repeatedly, valve seat transition piece boss
Bottom 23-2 and valve seat transition piece, because of frictional dissipation, size diminishes the sealing surface of 23-1, and then leads
Cause hydraulic packing and couple leakage, especially in the case of low-pressure, owing to there is no radial deformation
Compensating this leakage very serious, meanwhile, the check valve supported by flat filter screen 25 seals closedown unit
The lower position of part 27 also can move down, and causes failure of check valve.
Summary of the invention
(1) to solve the technical problem that
It is an object of the invention to: provide a kind of and can improve the normally opened of magnetic valve performance and control accuracy
Electromagnetic valve, with solve existing normally open solenoid valve need to by valve seat transition piece respectively with valve seat and fluid
Valve block is fixedly connected, and owing to the material of valve seat transition piece peace filter screen is plastics, at electromagnetism
During valve long-term operation, valve seat transition piece peace filter screen all can produce axle because of creep
To displacement, sealing surface frictional dissipation, valve seat hydraulic packing is caused to couple with hydraulic shock power
The problem that leakage, Performance And Reliability reduce, simultaneously during assembling flat filter screen bottom
Foot easily occurs plastic deformation produce overlap and come off under the repeated stock of hydraulic coupling, Jin Erzao
Become the phenomenon of plastic scrap blocking filter screen.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides a kind of normally open solenoid valve, it includes
Valve seat, valve adapter sleeve, fluid valve block and check valve seal closing element, and described valve seat includes valve
Primary seal seat, valve seat boss and seat bottom portion；Described valve seat boss and described valve adapter sleeve interference
Coordinating and couple, described seat bottom portion couples with described fluid valve block interference fit；Described valve connects
Being arranged with first passage, described seat bottom portion is provided with the second channel connected with described first passage,
Described check valve seals closing element and is located in described second channel.
Wherein, described seat bottom portion seals closing element corresponding to described check valve and is provided with flat filter screen,
And the connecting mode of described seat bottom portion and described flat filter screen is riveting.
Wherein, the outward flange of described flat filter screen is provided with chamfering structure, and described seat bottom portion is provided with many
Individual and described chamfering structure coordinates the riveting pressure point coupled.
Wherein, also include that one end is arranged in described valve adapter sleeve, and with described valve primary seal seated connection
Touch the tappet coupled.
Wherein, the bottom of described tappet is provided with primary seal closing element, and described valve primary seal seat sets
Have and coordinate the groove coupled with described primary seal closing element.
Wherein, described check valve seals closing element is sealed steel ball.
Wherein, the conical surface coordinated with described sealed steel ball, and institute it are provided with in described second channel
State second channel and constitute a way valve passageway with described sealed steel ball.
Wherein, described valve primary seal seat, valve seat boss and seat bottom portion are one-body molded.
(3) beneficial effect
The technique scheme of the present invention has the advantage that the normally open solenoid valve that the present invention provides
Sealing closing element including valve seat, valve adapter sleeve, fluid valve block and check valve, valve seat includes valve
Primary seal seat, valve seat boss and seat bottom portion；Valve seat boss couples with valve adapter sleeve interference fit,
Seat bottom portion couples with fluid valve block interference fit；Valve adapter sleeve is provided with first passage, valve cup bottom
Portion is provided with the second channel connected with first passage, and check valve sealing closing element is located at second and is led to
In road.In the normally open solenoid valve that the present invention provides, valve seat is equal with valve adapter sleeve and fluid valve block
Directly pass through interference fit, it is not necessary to valve seat transition piece is set, thus can avoid at electromagnetic valve
Operation process occurs valve seat transition piece to loosen phenomenon because of creep and hydraulic shock power, enters
And avoid valve seat transition piece and couple with the hydraulic packing of fluid valve block with valve seat and valve seat transition piece
Place's leakage, has been significantly increased serviceability and the reliability of electromagnetic valve, practical, profit
In being standardized production and promoting, additionally because eliminating valve seat transition piece, it is not necessary to arrange leg
Deng height compensation sealing part, and then decrease the quantity processing part, reduce manufacturing cost,
Economy is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of electromagnetic valve in prior art；
Fig. 2 is the electromagnetic valve structure schematic diagram of the present invention a kind of normally open solenoid valve embodiment；
Fig. 3 is that the valve seat of the present invention a kind of normally open solenoid valve embodiment couples with flat filter screen riveting
Structural representation.
In figure: 10: valve base sealing assembly；11: armature；12: valve shell；12-1: flange is convex
Edge；13: back-moving spring；14: tappet；14-1: primary seal closing element；15: inlay lining；
21: valve adapter sleeve；21-1: first passage；22: ring filter screen；22-1: top seal；22-2:
Lower seal；22-3: oblique cooperation face；23: valve seat transition piece；23-1: at the bottom of valve seat transition piece
Portion；23-2: valve seat transition piece boss；24,29: valve seat hydraulic packing couples；25: flat filter screen；
25-1: leg；25-2: groove structure；25-3: supporting surface；25-4: chamfering structure；26:
Check valve seal receptacle；27: check valve seals closing element；28: second channel；30: valve seat；
30-1: valve primary seal seat；30-2: valve seat boss；30-3: seat bottom portion；30-4: riveting pressure point；
31: valve seat is mechanically fixed connection；40: fluid valve block；40-1: wheel cylinder passage；40-2: master cylinder
Passage；40-3: packing position.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below will knot
Close the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear,
It is fully described by, it is clear that described embodiment is a part of embodiment of the present invention, and not
It it is whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
There is on the premise of making creative work the every other embodiment obtained, broadly fall into the present invention
The scope of protection.
As shown in Figure 2 to Figure 3, a kind of normally open solenoid valve that the embodiment of the present invention provides, this is normal
Open electromagnetic valve includes that valve seat 30, valve adapter sleeve 21, fluid valve block 40 and check valve seal and closes
Element 27, valve seat 30 includes valve primary seal seat 30-1, valve seat boss 30-2 and seat bottom portion 30-3；
Valve seat boss 30-2 couples with valve adapter sleeve 21 interference fit, seat bottom portion 30-3 and fluid valve
Block 40 interference fit couples；Valve adapter sleeve 21 is provided with first passage 21-1, seat bottom portion 30-3
Being provided with the second channel 28 connected with first passage 21-1, check valve seals closing element 27 and sets
In second channel 28.The material of valve seat 30, valve adapter sleeve 21 and fluid valve block 40 is gold
Belong to, be metal between valve seat 30 and valve adapter sleeve 21 and valve seat 30 and fluid valve block 40 same
The interference fit of metal, powerful pressure assembling force can be effectively ensured valve seat 30 will not be because of hydraulic pressure
Impact and there is to loosen phenomenon, it is to avoid sealing surface frictional dissipation causes leakage, carries significantly
The high Performance And Reliability of normally open solenoid valve, also extends the service life of normally open solenoid valve.
Preferably, in the present embodiment, it is sealed steel ball that check valve seals closing element 27, seals steel
Ball processing technology is simple and good sealing effect, and specifically, second channel 28 and sealed steel ball are light
Sliding tactile, the effect of sealed steel ball is when electromagnetic valve operation, by second channel 28 and sealing steel
Ball constitutes a way valve passageway, prevents hydraulic oil from producing leakage phenomenon.It is different from traditional normal
Open electromagnetic valve, it is not necessary to arrange valve seat transition piece 23, decreases the quantity of processing part, reduces
Manufacturing cost.
Specifically, in this embodiment, it is preferred that, valve seat 30 and valve adapter sleeve 21 all use
Steel matter is made；The outline of valve seat boss 30-2 and the groove of valve adapter sleeve 21 are joined by interference
Closing formation valve seat and be mechanically fixed connection 31, wherein, valve seat boss 30-2 can be according to withstanding shocks in advance
Power designs enough wall thickness intensity, and then valve seat is mechanically fixed connection 31 and can obtain sufficiently large
The pretightning force high hydraulic coupling impact when resisting electromagnetic valve operation and electromagnetic force drive armature 11 to push away
The impact that dynamic tappet 14 produces when moving downward.
Specifically, in the present embodiment, fluid valve block 40 material is relatively soft aluminium alloy,
The outline of seat bottom portion 30-3 and the depressed area of fluid valve block 40 form valve seat by interference fit
Hydraulic packing couples 24, owing to fluid valve block 40 material is relatively soft, is relatively with material
The interference fit that hard seat bottom portion 30-3 is formed, its hydraulic packing effect is reliable；Meanwhile,
It is to be pressed into fluid valve block 40 from top to bottom when electromagnetic valve is installed, so valve seat hydraulic packing couples
24 can apply active force upwards on valve seat 30, and auxiliary valve seat is mechanically fixed connection 31 to valve
The fastening of seat；By interference fit, so ensure that between valve seat 30 and fluid valve block 40 close
Envelope property and coupling reliability.
Further, seat bottom portion 30-3 seals closing element 27 corresponding to check valve and is provided with flat filter
Net 25, and the connecting mode of seat bottom portion 30-3 and flat filter screen 25 is riveting, fully phases out
Tradition filter screen bottom is used for absorbing the leg 25-1 structure of manufacturing tolerance, fundamentally evaded because of
The overlap that assembling causes forms chip in electromagnetic valve operation process and blocks the possibility of flat filter screen 25
Property.
Specifically, the outward flange of flat filter screen 25 is provided with chamfering structure 25-4, seat bottom portion 30-3
It is provided with multiple riveting pressure point 30-4 coordinating with chamfering structure 25-4 and coupling, wherein, riveting pressure point 30-4
Arrange towards chamfering structure 25-4, and then flat filter screen 25 is fixed on seat bottom portion 30-3.
Specifically, in electromagnetic valve operation process, hydraulic shock power major part is held by valve seat 30
Being subject to, flat filter screen 25 only needs to support check valve and seals the less of closing element 27 and second channel 28
Impulsive force, this multiple spot riveting fixed form is effective and reliable.Meanwhile, right in order to reduce
The impulsive force of flat filter screen 25 and the conveyance capacity of increase second channel 28, set on flat filter screen 25
Put groove structure 25-2.Thus, it is not necessary to when arranging so-called assembling, compressible leg 25-1 comes
Support flat filter screen 25, it is to avoid install and manufacture the plastics overlap generated and come off into chip and cover flat filter
Net 25 sieves thus cause the weakening to electromagnetic valve conveyance capacity and chip by master cylinder passage
40-2 flows backwards and enters the impact of master cylinder.And, flat filter screen 25 can be made the most flat
Structure, the supporting surface 25-3 that check valve seals closing element 27 is coplanar with flat filter screen 25 end face,
The most flat filter structure simplifies, and takes full advantage of the installation of electromagnetic valve while reducing cost of parts
Space.
Further, in the present embodiment, fluid valve block 40 is provided with second channel 28 even
Logical wheel cylinder passage 40-1, and ring filter is installed between first passage 21-1 and wheel cylinder passage 40-1
Net 22；Ring filter screen 22 is formed for miscellaneous with the radial fit of valve adapter sleeve 21 and fluid valve block 40
The upper sealing position 22-1 of matter particulate matter, ring filter screen 22 forms pin with the radial fit of valve seat 30
Lower seal position 22-2 to impurity particle thing, and seat bottom portion 30-3 be provided with for confinement ring filter
The oblique cooperation face 22-3 of the axial displacement of net 22.
The electromagnetic valve that the application provides also includes that one end is arranged in valve adapter sleeve 21, and close with valve master
The tappet 14 of envelope seat 30-1 contact connection.In the present embodiment, tappet 14 is positioned at valve adapter sleeve
The center position of 21, the inwall of valve adapter sleeve 21 and the surface of tappet 14 are shiny surface,
And leave gap between valve adapter sleeve 21 and tappet 14, hydraulic oil can be made to be entered by gap
Oil exit pipe, thus promotes tappet 14 to move up and down in valve adapter sleeve 21.
Further, the bottom of tappet 14 is provided with primary seal closing element 14-1, valve primary seal seat
30-1 is provided with and coordinates the sealed groove coupled with primary seal closing element 14-1.In the present embodiment,
Under normality, by the effect of back-moving spring 13, tappet 14 upwards shrinks, otherwise when normally opened electricity
Magnet valve carry out being energized operation time, tappet 14 moves downward until primary seal closing element 14-1 and valve
Sealed groove contact on primary seal seat 30-1, moving up and down of tappet 14 achieves normally opened electromagnetism
The switch motion of valve, and then reached normally open solenoid valve control master cylinder passage 40-2 and wheel cylinder passage
The purpose of 40-1 hydraulic pressure break-make.Wherein, the shape of sealed groove can be that sphere can also be
Cone-shaped.
Specifically, in second channel 28, it is provided with the conical surface coordinated with sealed steel ball, and second leads to
Road 28 constitutes a way valve passageway with sealed steel ball.In the present embodiment, at second channel 28
On have the conical features that same sealed steel ball matches, when normally open solenoid valve operation, sealed steel ball
Can slide up and down along the track of second channel 28, thus constitute a way valve passageway.
Preferably, for preventing from electromagnetic valve operation process occurring valve seat loosen because of hydraulic shock power
Phenomenon, valve primary seal seat 30-1, valve seat boss 30-2 and seat bottom portion 30-3 are one-body molded.
The work process of the normally open solenoid valve that the present invention provides is as follows: under normal circumstances, automobile system
Dynamic master cylinder builds pressure, and check valve seals closing element 27 and presses to check valve seal receptacle 26 formation sealing
(closed check valve), hydraulic oil is from master cylinder passage 40-2, by valve primary seal seat 30-1
The first passage connected with wheel cylinder passage 40-1 is entered with the gap between primary seal closing element 14-1
21-1, thus build the existing braking of compacting to wheel cylinder；When master cylinder pressure release, check valve seals and closes
Close element 27 under the effect of pressure differential, to depart from check valve seal receptacle 26 move towards flat filter screen 25
(check valve unlatching), when hydraulic oil return flow line ratio builds pressure, oil inlet passage has had more second channel
28；Under building pressure condition, magnetically-actuated after electromagnetic coil assembly (not shown) is energized
Armature 11 promotes tappet 14 to move downward, and primary seal closing element 14-1 sinks to valve primary seal seat
30-1 forms sealing, it is achieved the blocking-up of electromagnetic valve, sealing function.
In sum, the normally open solenoid valve that the present invention provides includes valve seat, valve adapter sleeve, fluid
Valve block and check valve seal closing element, and valve seat includes valve primary seal seat, valve seat boss and valve seat
Bottom；Valve seat boss couples with valve adapter sleeve interference fit, seat bottom portion and fluid valve block interference
Coordinate and couple；Valve adapter sleeve is provided with first passage, and seat bottom portion is provided with and connects with first passage
Second channel, check valve seals closing element and is located in second channel.The present invention provide normal
In open electromagnetic valve, valve seat the most directly passes through interference fit with valve adapter sleeve and fluid valve block,
Without arranging valve seat transition piece, thus can avoid in electromagnetic valve operation process because of creep and
Hydraulic shock power and occur valve seat transition piece to loosen phenomenon, and then avoid valve seat transition piece and valve
The hydraulic packing connection place leakage of seat and valve seat transition piece and fluid valve block, is significantly increased
The serviceability of electromagnetic valve and reliability, practical, it is beneficial to be standardized producing and promoting,
Additionally because eliminating valve seat transition piece, it is not necessary to arrange the height compensation sealing parts such as leg, and then subtract
Having lacked the quantity of processing part, reduced manufacturing cost, economy is high.
Last it is noted that above example is only in order to illustrate technical scheme, and
Non-to its restriction；Although the present invention being described in detail with reference to previous embodiment, ability
The those of ordinary skill in territory is it is understood that it still can be to the skill described in foregoing embodiments
Art scheme is modified, or wherein portion of techniques feature is carried out equivalent；And these are repaiied
Change or replace, not making the essence of appropriate technical solution depart from various embodiments of the present invention technical side
The spirit and scope of case.
Claims (8)
1. a normally open solenoid valve, it is characterised in that: include valve seat (30), valve adapter sleeve (21),
Fluid valve block (40) and check valve seal closing element (27), and described valve seat (30) includes valve
Primary seal seat (30-1), valve seat boss (30-2) and seat bottom portion (30-3)；Described valve seat is convex
Platform (30-2) couples with described valve adapter sleeve (21) interference fit, described seat bottom portion (30-3)
Couple with described fluid valve block (40) interference fit；Described valve adapter sleeve (21) is provided with first
Passage (21-1), described seat bottom portion (30-3) is provided with described first passage (21-1) even
Logical second channel (28), described check valve sealing closing element (27) is located at described second and is led to
In road (28).
Normally open solenoid valve the most according to claim 1, it is characterised in that: described valve cup bottom
Portion (30-3) seals closing element (27) corresponding to described check valve and is provided with flat filter screen (25),
And the connecting mode of described seat bottom portion (30-3) and described flat filter screen (25) is riveting.
Normally open solenoid valve the most according to claim 2, it is characterised in that: described flat filter screen
(25) outward flange is provided with chamfering structure (25-4), and described seat bottom portion (30-3) is provided with many
Individual and described chamfering structure (25-4) coordinates the riveting pressure point (30-4) coupled.
Normally open solenoid valve the most according to claim 1, it is characterised in that: also include one end
Be arranged in described valve adapter sleeve (21), and with described valve primary seal seat (30-1) contact connection
Tappet (14).
Normally open solenoid valve the most according to claim 4, it is characterised in that: described tappet (14)
Bottom be provided with primary seal closing element (14-1), described valve primary seal seat (30-1) be provided with
Described primary seal closing element (14-1) coordinates the groove coupled.
6. according to the normally open solenoid valve described in any one of claim 1 to 5, it is characterised in that:
It is sealed steel ball that described check valve seals closing element (27).
Normally open solenoid valve the most according to claim 6, it is characterised in that: described second leads to
The conical surface coordinated with described sealed steel ball, and described second channel (28) it is provided with in road (28)
A way valve passageway is constituted with described sealed steel ball.
Normally open solenoid valve the most according to claim 1, it is characterised in that: described valve master is close
Envelope seat (30-1), valve seat boss (30-2) and seat bottom portion (30-3) are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610509946.XA CN105972249B (en) | 2016-06-30 | 2016-06-30 | A kind of normally open solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610509946.XA CN105972249B (en) | 2016-06-30 | 2016-06-30 | A kind of normally open solenoid valve |
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| CN105972249A true CN105972249A (en) | 2016-09-28 |
| CN105972249B CN105972249B (en) | 2018-10-23 |
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| CN201610509946.XA Active CN105972249B (en) | 2016-06-30 | 2016-06-30 | A kind of normally open solenoid valve |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567962A (en) * | 2016-10-31 | 2017-04-19 | 简式国际汽车设计（北京）有限公司 | Electromagnetic valve coil device |
| CN108223886A (en) * | 2017-08-08 | 2018-06-29 | 河南航天液压气动技术有限公司 | A kind of proportional flow control valve and its Electromagnetic Control mechanism |
| CN112516670A (en) * | 2020-10-27 | 2021-03-19 | 宁波拓普集团股份有限公司 | Solenoid valve ring filter screen for automobile brake and mounting structure thereof |
| CN114060251A (en) * | 2021-10-09 | 2022-02-18 | 合肥通用机械研究院有限公司 | Multistage separation sewage discharge system for air compressor |
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| CN101161520A (en) * | 2006-10-13 | 2008-04-16 | 日信工业株式会社 | Vehicle brake hydraulic pressure control unit and method for producing the same |
| CN101848827A (en) * | 2007-11-08 | 2010-09-29 | 罗伯特·博世有限公司 | Valve cartridge for a solenoid valve, and associated solenoid valve |
| CN103115185A (en) * | 2013-02-25 | 2013-05-22 | 武汉元丰汽车电控***有限公司 | Linear electromagnetic normally-open valve for automobile braking systems |
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