CN1712761A - Valve device - Google Patents

Valve device Download PDF

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Publication number
CN1712761A
CN1712761A CN 200510080928 CN200510080928A CN1712761A CN 1712761 A CN1712761 A CN 1712761A CN 200510080928 CN200510080928 CN 200510080928 CN 200510080928 A CN200510080928 A CN 200510080928A CN 1712761 A CN1712761 A CN 1712761A
Authority
CN
China
Prior art keywords
valve
zone
pocket
cavity
armature
Prior art date
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.)
Granted
Application number
CN 200510080928
Other languages
Chinese (zh)
Other versions
CN100482991C (en
Inventor
H·施皮尔
H·鲍尔
B·布赫塔拉
D·克拉策尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of CN1712761A publication Critical patent/CN1712761A/en
Application granted granted Critical
Publication of CN100482991C publication Critical patent/CN100482991C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644One-way valve
    • F16K31/0655Lift valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T8/00Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32Arrangements 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
    • B60T8/34Arrangements 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
    • B60T8/36Arrangements 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
    • B60T8/3615Electromagnetic valves specially adapted for anti-lock brake and traction control systems
    • B60T8/363Electromagnetic valves specially adapted for anti-lock brake and traction control systems in hydraulic systems

Landscapes

  • 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

A valve device (1) comprises a valve component (5) which can longitudinally move in the valve bush (2) and functions together with the valve seat (4) constructed in the valve body (3) and can be operated to the closing direction of the valve seat (4) at the installing position. At least one part of the valve component (5) is arranged in the valve cavity (7) restricted by the valve bush (2) in the area of the valve seat (4). According to the invention the inflow area (8) of the valve cavity (7) and the outflow area (9) of the valve cavity (7) are located oppositely, and leads to that the cavities (12, 13, 14 and 16) communicated with the valve cavity (7) is provided with the negative pressure that is necessary for evacuating the gas in the cavities (12, 13, 14 and 16) at the state that the working liquid flows through the valve cavity (7).

Description

Control valve unit
Technical field
The present invention relates to according to the control valve unit that in claim 1 preamble, further limits type.
Background technique
Obtain a kind of Electromagnetically activated valve or control valve unit from DE 100 36 576 A1, it is used in controls in the hydraulic vehicle brake system and adjusts.Control valve unit has a valve liner, and this valve liner has vertical hole.In addition, valve liner is connected with valve bonnet, and armature is arranged in this valve bonnet with longitudinal movement.Armature effectively is connected with valve follower that can vertically move guiding in valve liner or valve element.Effective connection between valve element and the armature makes and is delivered on the seat valve valve follower that has closure member in the armature movement on the valve seat closing direction.
Valve follower guides with little radial clearance on the whole length in the vertical hole of valve liner, and wears at least two passages that separate each other in shell side.The valve chamber that comprises valve seat of control valve unit or be connected with the cavity water conservancy diversion of valve bonnet by passage in valve seat area by the valve pocket that valve liner limits makes that the residual air in the valve bonnet can be discharged by passage.
Control valve unit remains on opening state at the no electric circuit state by spring assembly or Returnning spring, wherein be embodied as to reset-spring assembly of pressure spring is installed in the valve pocket.Pressure spring is arranged in and has guaranteed in the valve pocket that the control valve unit assembling is simple.Special in the empty stage of braking system and filling stage subsequently, the valve seat of control valve unit should be remained on opening state by Returnning spring.
But because it is arranged in the valve pocket of control valve unit, spring assembly can produce disadvantageous static state and dynamic effects, this influence is to cause by passing the mobile working medium of valve pocket when valve seat is opened, and significantly impairs the working method of control valve unit in disadvantageous especially working state.These influences are particularly by mobile that cause in the valve pocket and act on mobilization force and steering force on the spring ring of pressure spring, and they change big on the whole operating range of control valve unit and are difficult to reflects or can't predict.
Summary of the invention
Control valve unit constructed according to the invention have in valve liner, can vertically move and with valve body in the valve element that concurs of the valve seat of constructing, this valve element can be operated to the valve seat closing direction by electromagnetic actuators in the mounting point, wherein the part of valve element is arranged in by valve liner in the valve pocket that valve seat area limits at least, this control valve unit advantageously is not with spring assembly well known in the prior art, thus with simple mode avoided well known in the prior art, by the influence through-flow generation of valve pocket, that the control valve unit working method is had a negative impact.
This be achieved in that be valve pocket become a mandarin zone and valve pocket go out to flow regional relative positioning, making is having fluid to flow through under the situation of valve pocket, with cavity that valve pocket is communicated with in existence with the required negative pressure of gas emptying in the cavity.
For example be orientated flowing in the valve pocket turned to strongly for this reason from the stream that goes out of valve pocket.The negative pressure that produces in the maximum fluidity radius of flow divert is assisted the cavity of exhaust-valve device thus.
In specification, accompanying drawing and patent claims, provided according to other advantage of theme of the present invention and favourable improvement project.
Description of drawings
Simplified schematic shows two embodiments according to theme of the present invention in the accompanying drawings, below to its further explanation, wherein in the description to different embodiments, for clarity sake, uses same reference character for the identical member identical with function of structure.Wherein:
Fig. 1 is the simplification longitudinal profile that passes according to control valve unit of the invention process, and this control valve unit has perforated valve element,
Fig. 2 is second valve element constructed according to the invention according to control valve unit form of implementation of the present invention,
Fig. 3 is valve element shown in the Fig. 2 that illustrates separately in another three-dimensional side view.
Embodiment
In Fig. 1, show the part of Electromagnetically activated control valve unit with the simplification longitudinal profile.Control valve unit have can in valve liner 2, vertically move and with the valve element 5 that concurs of valve seat 4 of structure in valve body 3.
Valve element 5 is positioned at by the valve pocket 7 of valve liner 2 at valve seat 4 area limitings towards the zone of valve seat 4, the outside dimensions of this valve pocket is by further pointing out with the rectangle shown in the dot and dash line among Fig. 1, the zone that wherein is positioned at the valve element 5 of valve pocket 7 has first area 5A, lean against the second cylindrical region 5B that cylindrical region 5A goes up and diameter region reduces, be connected the frustroconical zone 5C on the second cylindrical region 5B, be connected three cylindrical shape zone 5D and shape zone, the ball top 5E that is connected on the 5D of three cylindrical shape zone on the 5C of frustroconical zone.The ball item shape of valve element 5 zone 5E concurs with coniform valve base 4, makes to produce seal action when valve element 5 abuts on the valve seat 4, makes the going out to flow and regional 9 separated each other when valve seat 4 is closed of become a mandarin zone 8 and valve pocket 7 of valve pocket 7.
Control valve unit 1 is substantially by the hydraulic package 1A shown in Fig. 1 be sleeved on that hydraulic package 1A goes up and electric assembly not shown further is formed, wherein electric assembly has coil in a manner known way, electricity winding and collector ring disc are operated as so-called electromagnetic actuators the armature 10 of hydraulic package 1A to overcome the pressure that exists in become a mandarin zone 8 and valve pocket 7 to the closing direction of valve seat 4.
Armature 10 with valve bonnets 11 that valve liner 2 firmly is connected in guide with longitudinal movement and have vertical hole 12, this vertical hole is aimed at the vertical hole 13 in the valve element 5, makes to connect between valve dead band 14 and valve pocket 7.
Vertical hole 13 of valve element 3 preferably is embodied as stepped bore, and its diameter towards the regional 13A of armature 10 is bigger than its diameter towards the regional 13B of valve pocket 7.The regional 13B towards valve pocket 7 in valve element 5 vertical holes 13 leads to the transverse holes zone 16 of valve element 5, the connection that this bore region 16 forms between vertical hole 13 and the valve pocket 7.
No electric circuit state at control valve unit 1, in become a mandarin zone 8 and valve pocket 7, exist under the relevant pressure value situation on the hydraulic pressure useful area that acts on valve element 5 and armature 10, valve element 5 is pushed away valve seat 4 to valve dead band 14 directions, make armature 10 leave valve liner 2, press to and abut on the valve bonnet 11 in 14 zones, valve dead band.
In this position of valve element and armature 10, valve seat 4 is opened by the ball of valve element 5 or valve element 5 top shape zone 5E, and become a mandarin zone 8 with go out stream regional 9 and be connected.This state at control valve unit, working medium can pass through control valve unit 1, promptly come out from the zone 8 that becomes a mandarin of valve pocket 7, through valve seat 4, flow into control valve unit 1 go out the stream zone with the zone that goes out stream zone 9 ABS-that are connected (anti-lock braking system), TCS-(traction control system) or ESP-System (Electronic Stability Program (ESP)).
For closing valve seat 4, give the control valve unit that is sleeved on the valve bonnet 11 1 electric assembly energising in a known way, make electric assembly produce electromagnetic force, this electromagnetic force moves armature 10 in the position shown in Fig. 1 from it to valve seat 4 directions, and shape zone, the ball top 5E sealing of valve element 5 is pressed against on the valve seat 4 of valve body 3, makes control valve unit 1 be closed and no longer include working medium and flow through valve pocket 7.The zone 8 and go out between the stream zone 9 to have positive differential pressure if become a mandarin, then at this state of control valve unit 1, become a mandarin zone 8 with go out stream zone 9 and separate, do not have working medium to pass through control valve unit 1.When the pressure ratio control valve unit 1 of zone in 8 that become a mandarin go out pressure in the stream zone 9 when big, have positive differential pressure in control valve unit 1 inside.
Its reason is ought be relatively go out stream zone 9 under the positive differential pressure situation, become a mandarin zone 8 by safety check 15 with go out stream zone 9 and separate, wherein under the Negative Pressure Difference situation, promptly go out pressure ratio in the stream zone 9 and become a mandarin under the big situation of pressure in the zone 8, safety check 15 is opened.
Under 1 situation of the control valve unit shown in Fig. 1, when valve seat 4 is opened, from become a mandarin zone 8 liquid that come out or working medium-being used under the situation the anti-locking system for car at control valve unit 1 is that brake fluid-passing valve pocket 7 flows to the direction that goes out stream zone 9.
Control valve unit 1 become a mandarin zone 8 substantially control valve unit 1 axially on extend, feasible importing become a mandarin the working medium of zone in 8 substantially valve liner 2 axially on flow, and under valve seat 4 unlatching situations, the inclination angle of corresponding circle conical valve seat 4 flows into valve pocket 7 through valve element 5 in valve seat 4 zones between valve element 5 balls top shape zone 5E and valve body 3.
In valve pocket 7, before the open area that is going out stream zone 9 imports out stream zone 9 from valve pocket 7, working medium according to certain turn to distance substantially control valve unit 1 axially at first flow to the direction of valve element 5 first cylindrical region 5A.
Coming out to flow into out from valve pocket 7 under 9 situations of stream zone, in valve pocket 7, come out acutely to be turned to from valve seat 4 on axially at control valve unit 1 substantially to the working medium that valve element 5 first cylindrical region 5A directions flow.
Because what working medium flowed acutely turns to greater than 90 °, so there are negative pressure in the maximum radius or the outermost radius that flow at working medium, wherein said maximum radius or outermost radius are positioned at the open area in the transverse holes zone 16 of valve element 5, make the air that in vertical hole 13 of vertical hole 12 of valve dead band 14, armature 10 and valve element 5 and valve element transverse holes 16, exists with simple mode by valve pocket 7 in the mobile of working medium be discharged from, and the cavity of above-mentioned control valve unit 1 is filled by working medium.
Vertical hole 12 of armature 10 and vertical hole 13 of valve element 5 and transverse holes zone 16 all have big bore dia, make the volume of air that in valve dead band 7, vertical hole 12, vertical hole 13 and transverse holes zone 16, exists discharge from control valve unit 1 inside, and the working medium of inflow control valve unit 1 can flow into the cavity of the control valve unit 1 of all emptyings unobstructedly with not stopped substantially.
Second embodiment according to valve element 5 of the invention process has been shown in Fig. 2 and Fig. 3, and it is the alternative form of implementation of the element of valve shown in Fig. 15 design proposals.
In Fig. 2 and 3 with the valve element shown in the independent view of three-dimensional not with the vertical hole 13 shown in Fig. 1 and be not with transverse holes zone 16, but having four grooves 51 to 54 on the first cylindrical region 5A periphery, they are respectively by two targeting parts 511,522,533,544 limit.Valve element 5 guides in valve liner 2 by guiding area 511 to 544, wherein the groove 51 to 54 of the valve element 5 between the guiding area 511 to 544 is formed in 1 upwardly extending passage of control valve unit respectively with the inboard of valve liner 2, and these passages lead to valve pocket 7 in the zone of valve element 5 second cylindrical region 5B.
At its end regions towards armature 10, valve element 5 has end face countersink 6, makes in the mounting point of valve element 5, is going out a cavity in control valve unit 1 internal structure between armature 10 end faces of valve element 5 and valve element 5.Cavity or countersink 6 are connected vertical hole 12 of armature 10 with passage, wherein passage in the zone of groove 51 to 54 between valve element 5 and valve liner 2, so that can between vertical hole 12 of armature 10 or valve dead band 14 and valve pocket 7, carry out mass exchange.
Because the element of valve shown in Fig. 15 on the first cylindrical region 5A periphery equally to have guiding area 511 to 544 and groove 51 to 54 in mode shown in Fig. 2 and 3, so much not simple with the manufacturing of valve element 5 structures in vertical hole 13 and transverse holes zone 16 shown in Fig. 2 and 3, and cost is also much lower.

Claims (7)

1, control valve unit (1), its have in valve liner (2), can vertically move and with valve body (3) in the valve element (5) that concurs of valve seat (4) of structure, this valve element can be operated to valve seat (4) closing direction by electromagnetic actuators in the mounting point, wherein the part of valve element (5) is arranged in by valve liner (2) in the valve pocket (7) of valve seat (4) area limiting at least, it is characterized in that, the zone that becomes a mandarin (8) of valve pocket (7) and valve pocket (7) go out stream zone (9) relative positioning, making is having working liquid body to flow through under the situation of valve pocket (7), at the cavity (12 that is communicated with valve pocket (7), 13,14,16) exist in cavity (12,13,14,16) Nei the required negative pressure of gas emptying.
According to the control valve unit of claim 1, it is characterized in that 2, the flow cross section of the connection (12,13,16) between cavity (14) and the valve pocket (7) is for to make cavity (14) can pass through the through-flow emptying substantially unobstructedly of valve pocket (7).
3, according to the control valve unit of claim 1 or 2, it is characterized in that, the zone that becomes a mandarin (8) and go out stream zone (9) orientate as make working liquid body flow through valve pocket (7) can experience more preferably greater than 90 ° obviously turn to.
According to the control valve unit of claim 3, it is characterized in that 4, the flow divert biggest place is arranged on the open area of the connection (16) between cavity (14) and the valve pocket (7).
5, according to the control valve unit one of in the claim 2 to 4, it is characterized in that, by connect cavity (14) that (12,13,16) be connected with valve pocket (7) by armature (10) with limit with valve bonnet (11) that valve liner (2) is connected and surrounds armature (10).
6, according to the control valve unit one of in the claim 2 to 5, it is characterized in that, connection between cavity (14) and the valve pocket (7) is made of vertical hole (12,13) of armature of aiming at and extend substantially in the vertical (10) and valve element (5) and the transverse holes zone (16) that is arranged in the valve element (5).
7, according to the control valve unit one of in the claim 2 to 5, it is characterized in that, connection is by vertical hole (12) of armature (10) and the passage formation that at least one is limited by valve element (5) and valve liner (2), wherein valve element (5) has countersink (6) at its end face towards armature (10), being connected between vertical hole (12) that this countersink is set up armature (10) and the passage.
CNB2005100809286A 2004-06-24 2005-06-24 Valve device Expired - Fee Related CN100482991C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410030421 DE102004030421A1 (en) 2004-06-24 2004-06-24 valve device
DE102004030421.1 2004-06-24

Publications (2)

Publication Number Publication Date
CN1712761A true CN1712761A (en) 2005-12-28
CN100482991C CN100482991C (en) 2009-04-29

Family

ID=35507764

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005100809286A Expired - Fee Related CN100482991C (en) 2004-06-24 2005-06-24 Valve device

Country Status (3)

Country Link
CN (1) CN100482991C (en)
DE (1) DE102004030421A1 (en)
FR (1) FR2872249B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108138984A (en) * 2015-10-05 2018-06-08 肯德隆(菲林根)有限公司 Electromagnetic switch valve
CN108980440A (en) * 2017-06-05 2018-12-11 现代凯菲克株式会社 Solenoid valve with aeration structure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007002608U1 (en) 2007-02-20 2008-07-03 Mann + Hummel Gmbh Valve body for a fluid control device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3802648A1 (en) * 1988-01-29 1989-08-10 Mainz Gmbh Feinmech Werke Electromagnetically actuated hydraulic quick-action switching valve
FR2754572A1 (en) * 1996-10-15 1998-04-17 Peugeot ELECTROVALVE ARRANGEMENT PROVIDED WITH A MOUNTING DEVICE ON A SUPPORT AND HYDRAULIC BLOCK EQUIPPED WITH SUCH ARRANGEMENT
DE10036576A1 (en) * 2000-07-27 2002-02-07 Bosch Gmbh Robert Electromagnetically operated valve, in particular for hydraulic brake systems in motor vehicles
DE10311486A1 (en) * 2002-09-27 2004-04-08 Continental Teves Ag & Co. Ohg Electromagnetic valve especially for a motor vehicle wheel slip control, has gap between magnetic core and armature permitting flow around switch element in any switch position

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108138984A (en) * 2015-10-05 2018-06-08 肯德隆(菲林根)有限公司 Electromagnetic switch valve
CN108138984B (en) * 2015-10-05 2019-12-13 肯德隆(菲林根)有限公司 Electromagnetic switch valve
CN108980440A (en) * 2017-06-05 2018-12-11 现代凯菲克株式会社 Solenoid valve with aeration structure

Also Published As

Publication number Publication date
FR2872249B1 (en) 2011-09-30
DE102004030421A1 (en) 2006-01-19
FR2872249A1 (en) 2005-12-30
CN100482991C (en) 2009-04-29

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Granted publication date: 20090429

Termination date: 20160624

CF01 Termination of patent right due to non-payment of annual fee