CN102686460B - Electromagnetic valve and there is the driver assistance device of this electromagnetic valve - Google Patents
Electromagnetic valve and there is the driver assistance device of this electromagnetic valve Download PDFInfo
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- CN102686460B CN102686460B CN201080059041.8A CN201080059041A CN102686460B CN 102686460 B CN102686460 B CN 102686460B CN 201080059041 A CN201080059041 A CN 201080059041A CN 102686460 B CN102686460 B CN 102686460B
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- valve body
- diversion member
- fluid
- electromagnetic valve
- packing element
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- 239000012530 fluid Substances 0.000 claims abstract description 123
- 238000012856 packing Methods 0.000 claims abstract description 52
- 238000007373 indentation Methods 0.000 claims abstract description 18
- 230000004308 accommodation Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 8
- 230000004048 modification Effects 0.000 description 8
- 230000000630 rising effect Effects 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000037361 pathway Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
- B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
- B60T8/363—Electromagnetic valves specially adapted for anti-lock brake and traction control systems in hydraulic systems
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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
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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
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Transportation (AREA)
- Magnetically Actuated Valves (AREA)
- Regulating Braking Force (AREA)
Abstract
The present invention relates to the electromagnetic valve (1) that one has valve body (3), in described valve body (3), be wherein provided with the valve seat (12) that packing element (14) can be used to close, at least one leads to the escape route (13) of the fluid cavity (15) of at least part of accommodation packing element (14) of electromagnetic valve (1), and a diversion member (16) surrounding packing element (14) at least partly, described packing element (14) is effectively connected with the armature (5) be arranged in armature chamber (17), described armature chamber is built into the side of the fluid cavity dorsad (15) of diversion member (16).In this regulation, described diversion member (16) surrounds valve body (3) at least partly, and between fluid cavity (15) and armature chamber (17), forms the interface channel (21) that fluid connects form fluid with the radial indentation (29) of the wall portion (30) radially across valve body (3) and be connected.The invention still further relates to the driver assistance device that one has this electromagnetic valve (1).
Description
Technical field
The present invention relates to a kind of electromagnetic valve with valve body, in described valve body, there is a valve seat can closed with packing element, at least one leads to the diversion member that the escape route of the fluid cavity of at least part of accommodation packing element of electromagnetic valve and surround packing element at least partly, described packing element is effectively connected with the armature arranged in armature chamber, and described armature chamber is built into the side of the fluid cavity dorsad of diversion member.The invention still further relates to a kind of driver assistance device.
Background technology
The electromagnetic valve of the above-mentioned type is that prior art is known.This type of electromagnetic valve, such as, without flowing the two-position two-way solenoid valve of closedown or can using in ABS system, TCS system or ESP system without the two-position two-way solenoid valve that stream is closed.These electromagnetic valves all have the valve seat can closed with packing element.Packing element at least can move between off position and open position for this reason.Packing element is arranged in a closed position and makes it hide valve seat thus closed.In open position packing element such as with valve seat separately, thus make fluid to pass valve seat.Electromagnetic valve is do not allow to pass through for fluid in a closed position, and in open position, fluid then can cross electromagnetic valve by percolation.Among fluid cavity packing element being arranged at least partly electromagnet.Valve seat also can be positioned among the wall portion of fluid cavity.In addition, also have at least one escape route to lead to fluid cavity, wherein can there is lasting fluid and connect between fluid cavity and escape route.Fluid is fed to electromagnetic valve by access passage, and wherein fluid is drawn towards valve seat by access passage.When packing element is in open position, so fluid just can enter into fluid cavity via valve seat, is then exported by escape route.
In open position, packing element is disposed in above valve seat usually, thus makes the fluid flowing through valve seat also flow through packing element or connected armature.In addition, the flow direction of the fluid of inflow deviates from escape route usually, thus before fluid flows into escape route, first can be decelerated in fluid cavity.At this, fluid also can arrive the region between armature and electromagnetism valve housing.The circulation caused around packing element and/or armature by the fluid flowed into and the fluid entered between armature and housing all can impact the mobility of packing element, because additional axial force can be applied on packing element or the armature that is connected with packing element by fluid.In some cases, this may cause adverse effect to the quality of regulation of electromagnetic valve.This is caused by following situation, and namely this subsidiary load can impact for the force balance between the fluid pressure the considered when magnetic force of hydrodynamic reciprocating sealing element and design electromagnetic valve the reset force and acting on armature at spring element.Especially in electromagnetic valve, be such a case, namely the aperture arrangement of escape route is disposed in by valve seat in fluid cavity, thus realizes fluid through the inflow of valve seat and realize fluid through escape route outflow in the opposite direction.
In principle advantageously, only occur that rotational symmetric diametral load is to substitute the subsidiary load acted on vertically on packing element or armature, because this can not affect axial force balance.In view of this reason, can arrange a kind of diversion member, this diversion member such as has a guide face, the fluid of inflow can be made to make fluid be drawn towards this escape route in other words towards the directional steering of escape route by this guide face.Described guide face can bend at least partly, and the direction advantageously towards escape route bends.At this, the fluid cavity of the armature chamber of electromagnetic valve with valve seat place separates by described diversion member.Form with packing element the armature be effectively connected to be disposed among armature chamber.Effectively connected by this, packing element can move by means of armature, and wherein this at least can carry out between off position and open position.
Such as by the known a kind of such electromagnetic valve of DE 198 02 464A1.The valve of a kind of hydraulic electromagnetic operation of the disclosure document presentation, described valve has a conducting band for pressure medium be arranged among electromagnetic valve housing, this conducting band is passed by a closure body, and separates one with a chamber comprising the control member of valve with the torus section with the peripheral side discharge orifice of at least one valve housing that valve seat pressure medium is connected communicatively.Described conducting band end face should be close to valve body and be supported on this valve body, and has the conduction pathway overlapped on profile in open side and valve seat, and these conduction pathways lead to torus section in outflow side.In known electromagnetic valve, between fluid cavity and armature chamber, mineralization pressure balance or fluid communication are realized by the hole of diversion member, and packing element is set to arrange at least partly and is directed in the hole or wherein.
Summary of the invention
On the other hand, the advantage with the electromagnetic valve of feature described in claim it is possible to the controllability improving electromagnetic valve.For this reason according to the present invention's regulation, diversion member surrounds valve body at least in part, and between fluid cavity and armature chamber, forms the interface channel that fluid connects form fluid with the radial indentation of the wall portion passing radially through valve body and be connected.By the encirclement of diversion member to valve body, can by fixed with each other for these two elements.Such as diversion member can be pressed on valve body, thus the connection that the power transmission that there is pressure type of attachment between diversion member and valve body connects.Can specify, arrange diversion member relative to valve body, make diversion member and valve body jointly form fluid cavity or form the border of fluid cavity.Such as diversion member can be close on the end face of valve body for this reason, and the recess wherein in valve body forms fluid cavity, and is made up of the border of fluid cavity diversion member.
Diversion member avoids and is directly connected with armature or with the region of the valve body be arranged in armature chamber via the fluid in valve seat incoming fluid chamber, thus prevents from applying undesirable power.Armature chamber and fluid cavity are separated by diversion member for this reason, make fluid only applying power on diversion member.In order to prevent this application force from making diversion member move towards the direction of armature, diversion member cannot move in the inside of electromagnetic valve, is that is kept regularly by position.As previously mentioned, this connection preferably connected by means of power transmission realizes.
Fluid can be flowed between fluid cavity and armature chamber by interface channel, thus realizes the equilibrium of pressure between these two chambers.Such as would not cause in this way within armature chamber, form the pressure reacting on armature movement because armature moves.Therefore the fluid formed by interface channel connects the controllability significantly can improving electromagnetic valve.The interface channel being used for being formed fluid connection may reside among diversion member and/or valve body in principle, or is jointly made up of both.Interface channel forms fluid with the radial indentation of the wall portion passing radially through valve body and is connected.At this, described wall portion is the wall portion forming fluid cavity border.Therefore the fluid be present in fluid cavity can arrive among interface channel via radial indentation and also enter into subsequently among armature chamber.The flow direction of contrary fluid can certainly be there is, make fluid enter among fluid cavity from armature chamber thus.Therefore this interface channel produces fluid connection at least in part together with radial indentation.
A modification of the present invention scheme prescribes, interface channel is present between the outer wall of valve body and the inwall of diversion member at least partly.Diversion member should be arranged on valve body, or by this valve body circumvents, makes to form interface channel between these two elements during.Such as when the transversal surface of valve body and diversion member is substantially rounded, interface channel can exist as torus section at least partly.In order to form interface channel, valve body and/or diversion member certainly must be different from this circular cross sections at least partly.Alternatively, also valve body and/or diversion member can be designed to circle substantially, and make its interval by support, described support may reside on valve body, or is present on diversion member.
A modification of the present invention scheme prescribes, forms at least one between escape route with interface channel, produces the radial passage that fluid is connected in valve body.Escape route and radial passage are all arranged in valve body.At this, escape route is preferably passed among fluid cavity vertically, thus need (aperture position according to escape route) to be connected at escape route and radial indentation generation fluid by means of radial passage, and therefore produce the fluid connection of leading to interface channel, to realize the direct fluid optimized.Refer to the passage being suitable for fluid is radially directed to substantially in this radial passage, wherein the main flow direction of fluid has at least one radial component.Therefore, radial passage is arranged for and forms the escape route arranged more in the inner part relative to electromagnetic valve longitudinal axis and lead to and connect relative to the interface channel fluid of the more outward layout of longitudinal axis.Radial passage such as can exist as the recess of valve body or breach.
A modification of the present invention scheme prescribes, radial passage is led among an annular groove surrounding valve body in circumference at least partly.At this, described annular groove is preferably arranged on the outside of valve body, and radially extend among valve body.At this, described annular groove can pass completely through valve body in circumference, or alternatively only part be present in a valve body section circumferentially or multiple section.Radial passage and annular groove are in fluid and are connected, and are that is passed among annular groove.In this regulation, described radial passage and annular groove can form radial indentation jointly, are produced the fluid connection of leading to interface channel from fluid cavity by this breach.At this, radial passage is preferably radially from inside to outside at least in part through the wall portion of valve body, and annular groove then radially extend in wall portion from outside to inside.In a preferred embodiment, annular groove surrounds valve body completely in circumference, forms in the region of the escape route of radial passage then only in valve body, and among the wall portion radially extending into valve body from here on.Therefore the radial indentation being used for producing fluid connection between fluid cavity and interface channel is there is in this position.
A modification of the present invention scheme prescribes, interface channel is made up of at least one axial gap of diversion member at least partly.Axial gap is such as arranged among the cover plate of diversion member.At this, described cover plate is the region that fluid cavity and armature chamber are separated by diversion member.Cover plate can be passed by packing element, or surrounds packing element at least partly.Such as axial gap can be designed to axial hole and be preferably located in the region of diversion member, the distance between the radial indentation of this diversion member and valve body or escape route is little as far as possible.
A modification of the present invention embodiment specifies, the transversal surface of interface channel is at least part of ringwise, especially annular arrangement.Therefore interface channel can be used as torus section or circular ring path existence.Interface channel preferably passes through the whole circumference of valve body.Be exactly this situation especially when interface channel is built between valve outer wall and diversion member inwall.
A modification of the present invention scheme prescribes, the mode that diversion member connects with form fit connection, power transmission connection and/or material is fixed on valve body.Diversion member can be connected with valve body in any way in principle.Such as can combinationally use form fit and connect the connection with power transmission connection mode.The power acted on diversion member can be delivered in valve body by the connection of form fit connection mode, therefore makes relative to all the other regions of electromagnetic valve, the connection removal load of the material connection mode of the diversion member particularly kept regularly relative to valve body position.But the connection of preferably power transmission connection mode, because can this can produce by relatively simple mode.
A modification of the present invention scheme prescribes, arranges pressure contact portion to realize the fixing of power transmission connection between diversion member and valve body.According to the present invention, diversion member should surround valve body in the circumferential at least in part, preferably completely.At this, structure valve body or diversion member, make such as there is pressure contact portion at diversion member by among the region of valve body circumvents when surrounding, this realizes in the following way, that is, make diversion member at least have the size more smaller than valve body, thus form pressure contact portion when diversion member and valve body being mutually installed together.
A modification of the present invention scheme prescribes, valve body and/or diversion member are made up of metal and/or plastics.Valve body and diversion member all can be made up of arbitrary material in principle.But preferably metal or plastics, because can make electromagnetic valve have good durability in this way.
The invention still further relates to a kind of driver assistance device, particularly ABS device, TSC device or ESP device, described device comprises the electromagnetic valve that at least one has valve body, especially the electromagnetic valve according to above-mentioned embodiment, in valve body, be wherein provided with a valve seat can closed with packing element, at least one leads to the escape route of the fluid cavity of at least part of accommodation packing element of electromagnetic valve, and an at least part of diversion member surrounding packing element, wherein said packing element is effectively connected with the armature arranged in armature chamber, described armature chamber is constructed the side of the fluid cavity dorsad of diversion member.In this regulation, diversion member surrounds valve body at least partly, and the radial indentation that the interface channel forming fluid connection between fluid cavity and armature chamber passes radially through the wall portion of valve body is in fluid connection.
Accompanying drawing explanation
By according to embodiment shown in the accompanying drawings, the present invention is explained in detail below, but does not limit the invention.Wherein:
Fig. 1 shows the transversal surface in a region of the electromagnetic valve with valve body and diversion member,
Fig. 2 shows valve body and the diversion member of electromagnetic valve with cutaway view,
Fig. 3 shows the detail view in a region of valve body,
Fig. 4 shows the another kind of view of valve body,
Fig. 5 shows the first view of diversion member, and
Fig. 6 shows the another kind of view of diversion member.
Detailed description of the invention
Fig. 1 shows the transversal surface in a region of electromagnetic valve 1, and this electromagnetic valve is arranged in the external device (ED) 2 only slightly mentioned in the drawings.Electromagnetic valve 1 has a valve body 3 and a housing 4, wherein can carry armature 5 with moving vertically in housing 4.In valve body 3, form a rising passway 6, this rising passway is connected with at least one access passage 7 fluid.Fluid can be flowed to electromagnetic valve 1 by access passage 7.At this, described rising passway 6 is by radially (longitudinal axis 8 relative to electromagnetic valve 1) structure.On the other hand, in the outer peripheral face 9 of access passage 7 outer peripheral face 9 electromagnetic valve 1 in other words that is radially passed into valve body 3 from here on.
In order to form rising passway 6, from the end face 10 of the end face 10 of electromagnetic valve 1 valve body 3 in other words, in valve body 3, bore a hole first vertically.Then by means of a closure elements 11, this hole is closed below the entrance entering rising passway 6 at access passage 7, thus the fluid entering into rising passway 6 via access passage 7 is flowed towards the direction of valve seat 12.At this, this valve seat 12 is configured in valve body 3.In addition, valve body 3 also has at least one escape route 13.Be provided with four access passages 7 and four escape routes 13 in the present embodiment, wherein illustrate only an access passage 7 and two escape routes 13.
Packing element 14 can moving axially along electromagnetic valve 1 by means of armature 5.At this, described packing element 14 (as shown in Figure 1) and valve seat 12 on off position interact, thus interruption access passage 7 is connected with the fluid between escape route 13.If packing element 14 moves vertically by means of armature 5, then packing element is positioned at above valve seat 12 now, fluid can be flow through via valve seat 12, set up fluid thus and be connected between access passage 7 with escape route 13.Described packing element 14 is at least partially disposed in fluid cavity 15.Fluid cavity 15 is made up of valve body 3 and diversion member 16, and wherein said diversion member 16 is placed on valve body 3, thus not only there is fluid cavity 15 and also there is armature chamber 17.At this, among armature chamber 17, be provided with packing element 14 and armature 5 at least in part.At this, described armature chamber 17 is positioned at the side of the fluid cavity dorsad 15 of diversion member 16.
Diversion member 16 has a central gap 18, and packing element 14 is through this breach.Diversion member 16 is arranged for and improves the flow property of fluid in fluid cavity 15, and this realizes by making the fluid flow in fluid cavity 15 via valve seat 12 preferably deflect into towards the direction of the opening 19 of escape route 13 among fluid cavity 15.The flowing existed when arrow 20 represents that packing element 14 outwards moves from off position.But diversion member 16 be arranged for especially prevent via valve seat 12 flow into fluid on armature 5 or packing element 14, apply undesirable power, the fluid for this reason avoided in incoming fluid chamber 15 directly contacts with the region that armature 5 or packing element 14 are arranged in armature chamber 17.
In the embodiment of electromagnetic valve 1 shown in accompanying drawing 1, diversion member 16 circumferentially surrounds packing element 14 completely.But this means that first between fluid cavity 15 and armature chamber 17, setting up fluid by means of only breach 18 connects.Thus, when armature 5 or packing element 14 move vertically, in fluid cavity 15 and armature chamber 17, there is different pressure, or in armature chamber 17, form the pressure reacting on the movement of armature 5.In view of this reason, should arrange at least one interface channel 21, the fluid that this interface channel can improve between fluid cavity 15 with armature chamber 17 is connected, and therefore prevents from forming above-mentioned pressure in armature chamber 17.Obviously can improve the controllability of electromagnet 1 in this way.
In the embodiment of electromagnetic valve 1 shown here, interface channel 21 is made up of jointly valve body 3 and diversion member 16.As shown in Figure 1, interface channel is between the outer wall 22 and the inwall 23 of diversion member 16 of valve body 3.The possible flow direction that consequent fluid connects together with fluid is represented by double-head arrow 24.In embodiment here, interface channel 21 should be designed to torus section, and be present in valve body 3 thus whole circumferentially in.In valve body 3, form multiple radial passage 25, these radial passages are assigned to one of them of escape route 13 respectively.Form by radial passage 25 fluid leading to interface channel 21 to connect.
The flowing occurred in radial passage 25 illustrates with double-head arrow 26 together with possible flow direction.Described radial passage 25 is built in the bottom 27 of the fluid cavity 15 of valve body 3.The annular groove 28 circumferentially surrounding valve body 3 is completely led in radial passage 25.Radial passage 25 and annular groove 28 form radial indentation 29 jointly, and this breach is in the wall portion 30 radially across valve body 3.Fluid cavity 15 and interface channel 21, form fluid connection by this through mode, and form the fluid connection of leading to armature chamber 17 thus.
Diversion member 16 is made up of cover plate 31 and ring-type element 32.Cover plate 31 is positioned on the end face 33 opposed with end face 10 of valve body 3.The breach 18 being used for packing element 14 is formed in cover plate 31.This cover plate similarly also has at least one between interface channel 21 and armature chamber 17, form the axial gap 34 of fluid connection.It is desirable that arrange the axial gap 34 with escape route 13 or radial indentation 29 as much.In embodiment shown here, there is the radial passage 25 of four axial gaps 34 and as much.At this, described axial gap 34 is located relative to valve body 3 in circumference, makes it have spacing little as far as possible relative to radial passage 25 or escape route 13, thus provides the fluid that resistance to flow is little as far as possible to connect together with interface channel 21.Therefore the fluid that the radial indentation 29, interface channel 21 and the axial gap 34 that consist of with annular groove 28 radial passage 25 achieve between fluid cavity 15 with armature chamber 17 is connected.
The ring-type element 32 of diversion member 16 surrounds valve body 3 at least partly.In this regulation, described ring-type element 32 is close on the shoulder 35 being constructed to annular ideally of valve body 3, thus on this position, provide the supporting connected the form fit along at least one axial direction relative to valve body 3 of diversion member 16.Preferably, the size that valve body 3 has in shoulder 35 region, makes to there is pressure contact portion 36 between diversion member 16 and valve body 3.Therefore, when assembling electromagnetic valve, only diversion member 16 being pressed on valve body 3, thus cover plate 31 is close on the end face 33 of valve body 3, and form pressure contact portion 36 in shoulder 35 region.Diversion member 16 or exactly its ring-type element 32 preferably have constant internal dimensions over its axial length.Specify, valve body 3 has than size larger in the region of interface channel 21 in the region of shoulder 35 simultaneously.After just forming pressure contact portion 36 between diversion member 16 and valve body 3 in this way, the interface channel 21 between outer wall 22 and inwall 23 exists as at circumferencial direction continuous print torus section.In this embodiment of electromagnetic valve 1, housing 4 surrounds diversion member 16, thus not only by diversion member 16, and valve body 3 is reliably fixed on housing 4.In order to realize the connection sealed between housing 4 and diversion member 16, packing element 37 can be adopted.
Figure 2 shows that the another kind of view of electromagnetic valve 1, wherein illustrate only valve body 3 and diversion member 16.Valve body 3 and diversion member 16 all construct according to above-mentioned embodiment, therefore can consult these embodiments.Can see significantly, radial indentation 29 is made up of jointly radial passage 25 and annular groove 28.Radial passage 25 such as can by carrying out holing or milling manufacture in the wall portion 30 of valve body 3.Wall portion 30 is radially passed from inner side in described radial passage, and annular groove 28 then radially extend among wall portion 30 from outside.Will be formed in the position that both there is annular groove 28 and also exist radial passage 25 like this and pass completely through the radial indentation 29 of the wall portion 30 of valve body 3.In embodiment shown here, axial gap 34 is staggeredly arranged relative to radial indentation 29 in circumference, is here wherein to stagger with 45 °.Highlight the region with mark 38 in fig. 2.
Enlargedly show the region of this mark 38 in figure 3, wherein illustrate only valve body 3.Obviously can find out, in end face 33, be provided with a convex shoulder 39.Sealing function can be realized between valve body 3 and diversion member 16 by this convex shoulder 39.Convex shoulder 39 forms so-called press-in flange on valve body 3 for this reason.If valve body 3 and diversion member 16 are formed by metallic material, be then particularly advantageous.
Figure 4 shows that the view of a kind of alternative of valve body 3.Its description can consult above-mentioned embodiment.
The top and bottom perspective views of diversion member 16 is respectively shown in Fig. 5 and 6.Obviously can find out breach 18 and axial gap 34.Diversion member 16 corresponds to above-mentioned embodiment, therefore can consult corresponding embodiment.
Claims (10)
1. one kind has the electromagnetic valve (1) of a valve body (3), in described valve body (3), be wherein provided with a valve seat (12) can closed by packing element (14), at least one leads to the escape route (13) of the fluid cavity (15) of the described packing element of at least part of accommodation (14) of described electromagnetic valve (1), and on described valve body (3), be provided with the diversion member (16) that is surrounded described packing element (14) at least partly, wherein said packing element (14) is effectively connected with the armature (5) be arranged in armature chamber (17), described armature chamber is built into the side of the described dorsad fluid cavity (15) of described diversion member (16), described diversion member (16) surrounds described valve body (3) at least partly in the circumferential, and between described fluid cavity (15) and described armature chamber (17), form the interface channel (21) that fluid connects be in fluid with the radial indentation (29) of the wall portion (30) passing radially through described valve body (3) and be connected, it is characterized in that, described interface channel (21) is present between the outer wall (22) of described valve body (3) and the inwall (23) of described diversion member (16) at least partly.
2. electromagnetic valve according to claim 1, it is characterized in that, in described valve body (3), form the radial passage (25) that at least one produces fluid connection between described escape route (13) and interface channel (21).
3. electromagnetic valve according to claim 2, is characterized in that, described radial passage (25) lead to the annular groove (28) circumferentially surrounding described valve body (3) at least partly.
4. electromagnetic valve according to claim 1, is characterized in that, described interface channel (21) is made up of at least one axial gap (34) of described diversion member (16) at least partly.
5. electromagnetic valve according to claim 1, is characterized in that, described interface channel (21) on cross-sectional plane at least partly ringwise.
6. electromagnetic valve according to claim 1, is characterized in that, the mode that described diversion member (16) connects with form fit connection, power transmission connection and/or material is fixed on described valve body (3).
7. electromagnetic valve according to claim 1, is characterized in that, arrange between described diversion member (16) and valve body (3) pressure contact portion (36) for power transmission connect fixing.
8. the electromagnetic valve according to any one in the claims, is characterized in that, described valve body (3) and/or diversion member (16) are made up of metal and/or plastics.
9. a driver assistance device, described driver assistance device comprises at least one electromagnetic valve (1) with a valve body (3) according to any one in the claims, in described valve body (3), be wherein provided with a valve seat (12) can closed by packing element (14), at least one leads to the escape route (13) of the fluid cavity (15) of the described packing element of at least part of accommodation (14) of described electromagnetic valve (1), and on described valve body (3), be provided with the diversion member (16) surrounding described packing element (14) at least partly, described packing element (14) is effectively connected with the armature (5) be arranged in armature chamber (17), described armature chamber is built into the side of the described dorsad fluid cavity (15) of described diversion member (16), described diversion member (16) surrounds described valve body (3) at least partly in the circumferential, and between described fluid cavity (15) and described armature chamber (17), form the interface channel (21) that fluid connects be in fluid with the radial indentation (29) of the wall portion (30) passing radially through described valve body (3) and be connected, it is characterized in that, described interface channel (21) is present between the outer wall (22) of described valve body (3) and the inwall (23) of described diversion member (16) at least partly.
10. driver assistance device according to claim 9, is characterized in that, described driver assistance device is ABS device, TCS device or ESP device.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009060292A DE102009060292A1 (en) | 2009-12-23 | 2009-12-23 | Solenoid valve and driver assistance device |
| DE102009060292.5 | 2009-12-23 | ||
| PCT/EP2010/066671 WO2011076471A1 (en) | 2009-12-23 | 2010-11-03 | Magnetic valve and driver assistance device having such a magnetic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102686460A CN102686460A (en) | 2012-09-19 |
| CN102686460B true CN102686460B (en) | 2015-09-23 |
Family
ID=43502104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080059041.8A Expired - Fee Related CN102686460B (en) | 2009-12-23 | 2010-11-03 | Electromagnetic valve and there is the driver assistance device of this electromagnetic valve |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2516230A1 (en) |
| JP (1) | JP5710640B2 (en) |
| KR (1) | KR20120112482A (en) |
| CN (1) | CN102686460B (en) |
| DE (1) | DE102009060292A1 (en) |
| WO (1) | WO2011076471A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5837000B2 (en) * | 2013-05-24 | 2015-12-24 | 日信工業株式会社 | Brake hydraulic pressure control device for vehicle and manufacturing method of brake hydraulic pressure control device for vehicle |
| KR101553668B1 (en) * | 2013-05-28 | 2015-09-16 | 현대모비스 주식회사 | Solenoid valve |
| CN108278401A (en) * | 2018-01-23 | 2018-07-13 | 谭凯诺 | A kind of porous output high-speed electromagnetic valve |
| DE102018206477B3 (en) | 2018-04-26 | 2019-02-07 | Robert Bosch Gmbh | Device for sealing two spaces filled with different fluids in a MEMS sensor arrangement |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10208996A1 (en) * | 2002-02-28 | 2003-09-18 | Bosch Gmbh Robert | Electromagnetic valve has magnetic armature connected to actuating rod coupled to valve member and surrounded by fluid duct |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2201974A1 (en) * | 1972-01-17 | 1973-07-26 | Teves Gmbh Alfred | ELECTROMAGNETICALLY ACTUATED SEAT VALVE |
| US4765587A (en) * | 1986-11-13 | 1988-08-23 | Moog Inc. | Pulse-width-modulated solenoid valve |
| JP2523796Y2 (en) * | 1990-11-30 | 1997-01-29 | 東洋電装株式会社 | Electromagnetic flow control valve |
| DE19802464A1 (en) * | 1998-01-23 | 1999-07-29 | Bosch Gmbh Robert | Magnetically operated hydraulic valve for automotive use |
| DE10117610A1 (en) * | 2001-01-10 | 2002-07-11 | Continental Teves Ag & Co Ohg | Electromagnetic valve has valve seat and centering body fixed together in a manageable component |
| DE102004048861A1 (en) * | 2004-10-07 | 2006-04-20 | Robert Bosch Gmbh | Electromagnetically actuated valve, in particular for brake power systems in motor vehicles |
| JP4613907B2 (en) * | 2006-12-21 | 2011-01-19 | トヨタ自動車株式会社 | solenoid valve |
| CN201209689Y (en) * | 2007-08-13 | 2009-03-18 | 刘光跃 | Two-position three-way electromagnetic valve |
| JP5338463B2 (en) * | 2009-05-07 | 2013-11-13 | トヨタ自動車株式会社 | solenoid valve |
-
2009
- 2009-12-23 DE DE102009060292A patent/DE102009060292A1/en active Pending
-
2010
- 2010-11-03 EP EP10778946A patent/EP2516230A1/en not_active Withdrawn
- 2010-11-03 JP JP2012545180A patent/JP5710640B2/en not_active Expired - Fee Related
- 2010-11-03 KR KR1020127016249A patent/KR20120112482A/en not_active Application Discontinuation
- 2010-11-03 CN CN201080059041.8A patent/CN102686460B/en not_active Expired - Fee Related
- 2010-11-03 WO PCT/EP2010/066671 patent/WO2011076471A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10208996A1 (en) * | 2002-02-28 | 2003-09-18 | Bosch Gmbh Robert | Electromagnetic valve has magnetic armature connected to actuating rod coupled to valve member and surrounded by fluid duct |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011076471A1 (en) | 2011-06-30 |
| DE102009060292A1 (en) | 2011-07-14 |
| JP2013515219A (en) | 2013-05-02 |
| CN102686460A (en) | 2012-09-19 |
| JP5710640B2 (en) | 2015-04-30 |
| EP2516230A1 (en) | 2012-10-31 |
| KR20120112482A (en) | 2012-10-11 |
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