DE102007026358B4 - Electromagnetic valve, in particular for slip-controlled motor vehicle brake systems - Google Patents
Electromagnetic valve, in particular for slip-controlled motor vehicle brake systems Download PDFInfo
- Publication number
- DE102007026358B4 DE102007026358B4 DE102007026358.0A DE102007026358A DE102007026358B4 DE 102007026358 B4 DE102007026358 B4 DE 102007026358B4 DE 102007026358 A DE102007026358 A DE 102007026358A DE 102007026358 B4 DE102007026358 B4 DE 102007026358B4
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- Germany
- Prior art keywords
- valve
- closing body
- coupling element
- valve closing
- armature
- Prior art date
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- 230000008878 coupling Effects 0.000 claims abstract description 53
- 238000010168 coupling process Methods 0.000 claims abstract description 53
- 238000005859 coupling reaction Methods 0.000 claims abstract description 53
- 230000005284 excitation Effects 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/40—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
- F16K31/406—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor acting on a piston
- F16K31/408—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor acting on a piston the discharge being effected through the piston and being blockable by an electrically-actuated member making contact with the piston
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Transportation (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
Elektromagnetventil, insbesondere für schlupfgeregelte Kraftfahrzeug-Bremsanlagen, mit einem in einem Ventilgehäuse (1) angeordneten ersten und einem zweiten Ventilschließkörper (7, 8), die in koaxialer Anordnung im Ventilgehäuse (1) einen ersten als auch einen zweiten Ventildurchlass (5, 6)zu öffnen oder zu verschließen vermögen, mit einem Magnetanker (15), der mit dem ersten Ventilschließkörper (7) eine eigenständig handhabbare Baugruppe bildet, die unter der Wirkung einer Rückstellfeder (16) am zweiten Ventilschließkörper (8) anlegbar ist, mit einem Magnetkern (14) im Ventilgehäuse (1), an dem sich ein von der Baugruppe abgewandtes Federende der Rückstellfeder (16) abstützt, mit einem in das Ventilgehäuse (1) einmündenden Druckmitteleinlass (13) und einem Druckmittelauslass (19), wobei der erste Ventilschließkörper (7) abhängig von der elektromagnetischen Erregung einer Ventilspule (23) den im zweiten Ventilschließkörper (8) gelegenen ersten Ventildurchlass (5) zu öffnen oder zu verschließen vermag, dessen Durchlassquerschnitt kleiner ist als der unter dem Einfluss einer Feder (17) zu öffnende zweite Ventildurchlass (6) im zweiten Ventilschließkörper (8), mit einem Koppelelement (28) zur relativ beweglichen Positionierung des ersten Ventilschließkörpers (7) am Magnetanker (15), wobei entweder durch eine plastische Verformung des Magnetankers (15) oder durch eine plastische Verformung des Koppelelements (28) eine dauerhafte Befestigung zwischen dem Magnetanker (15) und dem Koppelelement (28) hergestellt ist, gekennzeichnet dadurch, dass der erste Ventilschließkörper (7) mit seinem Bund (30) in eine Stufenbohrung des Magnetankers (15) eingesetzt ist und das Koppelelement (28) über einen Stößelabschnitt (22) des ersten Ventilschließkörpers (7) und über den Außenumfang des Magnetankers (15) gestülpt ist, sowie dass das Koppelelement (28) mittels eines Verstemmwerkzeugs gleichmäßig über den Außenumfang punktförmig am Magnetanker (15) radial verstemmt ist, sowie durch eine von wenigstens einer Druckausgleichsbohrung (13') durchsetzte Schulter (29) am Koppelelement (28). Electromagnetic valve, in particular for slip-controlled motor vehicle brake systems, having a first and a second valve closing body (7, 8) arranged in a valve housing (1) and having a first and a second valve passage (5, 6) in a coaxial arrangement in the valve housing (1) be able to open or close, with a magnet armature (15) which forms an independently manageable assembly with the first valve closing body (7), which under the action of a return spring (16) on the second valve closing body (8) can be applied, with a magnetic core ( 14) in the valve housing (1) on which a spring end of the return spring (16) remote from the assembly is supported, with a pressure medium inlet (13) opening into the valve housing (1) and a pressure medium outlet (19), the first valve closing body (7 ) depending on the electromagnetic excitation of a valve spool (23) in the second valve closing body (8) located first valve passage ( 5) can open or close, the passage cross section is smaller than the under the influence of a spring (17) to be opened second valve passage (6) in the second valve closing body (8), with a coupling element (28) for relatively movable positioning of the first valve closing body (7) on the armature (15), wherein either by a plastic deformation of the magnet armature (15) or by a plastic deformation of the coupling element (28) a permanent attachment between the armature (15) and the coupling element (28) is made, characterized in that the first valve closing body (7) with its collar (30) into a stepped bore the magnet armature (15) is inserted and the coupling element (28) is slipped over a tappet portion (22) of the first valve closing body (7) and over the outer circumference of the magnet armature (15), and that the coupling element (28) by means of a caulking evenly over the Outer circumference punctiform on the armature (15) is caulked radially, and by one of at least one pressure compensating bore (13 ') interspersed shoulder (29) on the coupling element (28).
Description
Die Erfindung betrifft ein Elektromagnetventil, insbesondere für schlupfgeregelte Kraftfahrzeugbremsanlagen, nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a solenoid valve, in particular for slip-controlled motor vehicle brake systems, according to the preamble of patent claim 1.
Aus der
Zwangsläufig bedarf es entsprechend hoher magnetischer Schaltkräfte, um die durch die Rückstellfeder und die hydraulische Druckdifferenz verursachten Kräfte überbrücken zu können.Inevitably, correspondingly high magnetic switching forces are required in order to be able to bridge the forces caused by the restoring spring and the hydraulic pressure difference.
Die gattungsbildende Druckschrift
Weiterhin ist aus
Schließlich geht aus der
Daher ist es die Aufgabe der vorliegenden Erfindung, ein Elektromagnetventil der angegebenen Art mit möglichst einfachen, funktionsgerechten Mitteln kostengünstig und kleinbauend auszuführen und derart zu verbessern, dass mittels einer einfachen Montage des Ventilschließkörpers am Magnetanker ein ungehinderter Druckausgleich innerhalb des Koppelements gewährleistet ist und zwar unabhängig von der Stellung des ersten Ventilschließkörpers.Therefore, it is the object of the present invention to carry out a solenoid valve of the specified type with the simplest possible, functionally appropriate means cost and physically small and to improve such that by means of a simple assembly of the valve closing body on the armature unhindered pressure equalization is ensured within the coupling element, regardless of the position of the first valve closing body.
Diese Aufgabe wird erfindungsgemäß für das Elektromagnetventil der angegebenen Art durch die kennzeichnenden Merkmale des Patentanspruchs 1 gelöst.This object is achieved according to the invention for the solenoid valve of the type indicated by the characterizing features of claim 1.
Weitere Merkmale, Vorteile und Anwendungsmöglichkeiten der Erfindung gehen im nachfolgenden aus der Beschreibung von Ausführungsbeispielen hervor.Other features, advantages and applications of the invention will become apparent in the following from the description of exemplary embodiments.
Es zeigen:
-
1 eine Gesamtansicht eines Elektromagnetventils im Längsschnitt, mit einem in einem Koppelelement geführten ersten Ventilschließglied, -
2a-d die einzelnen Montageschritte zur Befestigung des Koppelelements am Magnetanker, -
3 eine Perspektivansicht des aus einem Drehteil hergestellten Koppelelements, -
4 eine Perspektivansicht des aus einem durch Kunststoff-Spritzgießen hergestellten Koppelelements, -
5 eine Schnittdarstellung des aus4 bekannten Koppelelements, das mittels einer Axialverstemmung im Magnetanker befestigt ist, -
6 die Befestigung des als Drehteil ausgeführten Koppelelements innerhalb des Magnetankers mittels einer Axialverstemmung, -
7 die Befestigung des als Drehteil ausgeführten Koppelelements innerhalb des Magnetankers mittels einer Radialverstemmung.
-
1 an overall view of a solenoid valve in longitudinal section, with a guided in a coupling element first valve closure member, -
2a-d the individual assembly steps for fastening the coupling element to the armature, -
3 a perspective view of the coupling element produced from a rotating part, -
4 3 is a perspective view of the coupling element produced by plastic injection molding, -
5 a sectional view of the4 known coupling element which is fixed by means of an axial Verstemmung in the armature, -
6 the fastening of the coupling element designed as a rotating part within the magnet armature by means of an axial caulking, -
7 the attachment of the running as a rotating part coupling element within the magnet armature by means of a Radialverstemmung.
Die
Infolge der Wirkung der Rückstellfeder
Zur Aufnahme und Abdichtung des Ventilgehäuses
Die Feder
Das einteilige Ventilgehäuse
Der Magnetanker
Um nach einem anfänglichen Teilhub des Magnetankers den erste Ventilschließkörper
Der Bund
Das Koppelelement
Nach
An dem unteren Abschnitt der die Rückstellfeder
Funktionsweise des Elektromagnetventils:
- In der abgebildeten, elektromagnetisch nicht erregten Ventilstellung nehmen infolge der Schließkraft der Rückstellfeder
16 , deren Federkraft größer dimensioniert ist als die Kraft der entgegengesetzt wirkenden Feder17 ,beide Ventilschließkörper 7 ihre Ventilschließstellungen ein.
- In the illustrated, non-energized solenoid valve position take due to the closing force of the
return spring 16 , whose spring force is larger than the force of theoppositely acting spring 17 , bothvalve closing bodies 7 their valve closing positions.
Unter der Voraussetzung, dass gleiche hydraulische Drücke im Druckmitteleinlass
Ist aber der Druck im Druckmitteleinlass
Erfolgt unter den dargelegten Gegebenheiten nunmehr eine elektromagnetisch initiierte Hubbewegung des Magnetankers
Somit wird der erste Ventilschließkörper
Die Erfindung basiert auf der Überlegung, entweder durch eine plastische Verformung des Magnetankers
Die
Aus
Alternativ zu den bisher erwähnten Varianten zum Halteelement
Die
Die bereits eingangs erwähnte Befestigung des Koppelelements
Soweit bezüglich der Ausführungsformen nach
Das vorgestellte Elektromagnetventil findet bevorzugt eine Verwendung in schlupfgeregelten Kraftfahrzeugbremsanlagen, die nach dem Rückförderprinzip ausgelegt sind. Insbesondere bei der Verwendung einer entsprechend saugstarken Stufenkolbenpumpe in einer mit Fahrdynamikregelung versehenen Kraftfahrzeugbremsanlage wird durch den Einsatz des vorgestellten Elektromagnetventils eine unerwünschte Saugdrosselung der Stufenkolbenpumpe sicher vermieden. Die Saugdrosselung lässt sich nämlich dadurch wirkungsvoll verhindern, dass der unter hydraulischem Hochdruck stehende (zweite) Ventildurchlass im Elektromagnetventil nunmehr aufgrund des vorgestellten Ventilaufbaus großzügig dimensioniert werden kann, ohne dabei eine Veränderung am Magnetkreis vornehmen zu müssen.The proposed electromagnetic valve is preferably used in slip-controlled motor vehicle brake systems, which are designed according to the return flow principle. In particular, when using a correspondingly powerful staged piston pump in a motor vehicle brake system provided with vehicle dynamics control system, the use of the presented electromagnetic valve reliably avoids undesired suction throttling of the stepped piston pump. Namely, the suction throttling can be effectively prevented by allowing the (second) valve passage under hydraulic high pressure in the solenoid valve to be generously dimensioned due to the valve structure proposed, without having to make a change in the magnetic circuit.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007026358.0A DE102007026358B4 (en) | 2007-01-10 | 2007-06-06 | Electromagnetic valve, in particular for slip-controlled motor vehicle brake systems |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007002217.6 | 2007-01-10 | ||
DE102007002217 | 2007-01-10 | ||
DE102007026358.0A DE102007026358B4 (en) | 2007-01-10 | 2007-06-06 | Electromagnetic valve, in particular for slip-controlled motor vehicle brake systems |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102007026358A1 DE102007026358A1 (en) | 2008-07-17 |
DE102007026358B4 true DE102007026358B4 (en) | 2019-07-25 |
Family
ID=39509991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102007026358.0A Active DE102007026358B4 (en) | 2007-01-10 | 2007-06-06 | Electromagnetic valve, in particular for slip-controlled motor vehicle brake systems |
Country Status (1)
Country | Link |
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DE (1) | DE102007026358B4 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005030957B4 (en) | 2005-06-30 | 2024-01-18 | Robert Bosch Gmbh | Device for damping the armature stroke in solenoid valves |
DE102008020855A1 (en) | 2008-03-08 | 2009-09-10 | Continental Teves Ag & Co. Ohg | Electromagnetic valve for slip controlled motor vehicle-brake system, has valve closing body inserted from front side of armature, which is turned away from another valve closing body, into longitudinal bore of armature |
DE102012206282A1 (en) * | 2011-05-17 | 2012-11-22 | Continental Teves Ag & Co. Ohg | Electromagnetic valve, in particular for slip-controlled motor vehicle brake systems |
DE102011076556A1 (en) * | 2011-05-26 | 2012-11-29 | Continental Teves Ag & Co. Ohg | Electromagnetic valve, in particular for slip-controlled motor vehicle brake systems |
DE102014220024A1 (en) * | 2014-10-02 | 2016-04-07 | Continental Teves Ag & Co. Ohg | Electromagnetic valve, in particular for hydraulic motor vehicle brake systems |
DE102014220064A1 (en) * | 2014-10-02 | 2016-04-07 | Continental Teves Ag & Co. Ohg | Electromagnetic valve, in particular for hydraulic motor vehicle brake systems |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19531007A1 (en) | 1995-08-23 | 1997-02-27 | Bosch Gmbh Robert | Solenoid valve for motor vehicle hydraulic anti-slip brake system |
DE19917756A1 (en) | 1998-07-06 | 2000-01-13 | Continental Teves Ag & Co Ohg | Solenoid valve, especially for slip-controlled car brake installations |
DE10010734A1 (en) | 2000-03-04 | 2001-09-06 | Continental Teves Ag & Co Ohg | Electromagnetic valve for skid-controlled vehicle brake unit; has valve casing formed as deep-drawn sleeve with holder collar and fixed in valve support by outer seal of material at valve support |
DE102005014100A1 (en) | 2004-07-15 | 2006-02-02 | Continental Teves Ag & Co. Ohg | Electromagnetic valve for use in anti-slip brake system of vehicle, has coaxial valve bodies mounted one above other, magnetic anchor being attached to upper valve body which has limited degree of movement |
DE102005030957A1 (en) * | 2005-06-30 | 2007-01-18 | Robert Bosch Gmbh | Device for damping the armature stroke in solenoid valves |
-
2007
- 2007-06-06 DE DE102007026358.0A patent/DE102007026358B4/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19531007A1 (en) | 1995-08-23 | 1997-02-27 | Bosch Gmbh Robert | Solenoid valve for motor vehicle hydraulic anti-slip brake system |
DE19917756A1 (en) | 1998-07-06 | 2000-01-13 | Continental Teves Ag & Co Ohg | Solenoid valve, especially for slip-controlled car brake installations |
DE10010734A1 (en) | 2000-03-04 | 2001-09-06 | Continental Teves Ag & Co Ohg | Electromagnetic valve for skid-controlled vehicle brake unit; has valve casing formed as deep-drawn sleeve with holder collar and fixed in valve support by outer seal of material at valve support |
DE102005014100A1 (en) | 2004-07-15 | 2006-02-02 | Continental Teves Ag & Co. Ohg | Electromagnetic valve for use in anti-slip brake system of vehicle, has coaxial valve bodies mounted one above other, magnetic anchor being attached to upper valve body which has limited degree of movement |
DE102005030957A1 (en) * | 2005-06-30 | 2007-01-18 | Robert Bosch Gmbh | Device for damping the armature stroke in solenoid valves |
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Publication number | Publication date |
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DE102007026358A1 (en) | 2008-07-17 |
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Effective date: 20140517 |
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Owner name: CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH, DE Free format text: FORMER OWNER: CONTINENTAL TEVES AG & CO. OHG, 60488 FRANKFURT, DE |
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Owner name: CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH, DE Free format text: FORMER OWNER: CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH, 30165 HANNOVER, DE |