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WO2003004841A1 - Bouchon de fermeture à protection contre le dévissage - Google Patents

Bouchon de fermeture à protection contre le dévissage Download PDF

Info

Publication number
WO2003004841A1
WO2003004841A1 PCT/EP2002/007033 EP0207033W WO03004841A1 WO 2003004841 A1 WO2003004841 A1 WO 2003004841A1 EP 0207033 W EP0207033 W EP 0207033W WO 03004841 A1 WO03004841 A1 WO 03004841A1
Authority
WO
WIPO (PCT)
Prior art keywords
closure
valve body
grip element
axially
axial
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.)
Ceased
Application number
PCT/EP2002/007033
Other languages
German (de)
English (en)
Inventor
Heinrich Reutter
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE50208903T priority Critical patent/DE50208903D1/de
Priority to US10/362,685 priority patent/US20040099668A1/en
Priority to EP02762302A priority patent/EP1402157B1/fr
Publication of WO2003004841A1 publication Critical patent/WO2003004841A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/0204—Filling
    • F01P11/0209—Closure caps
    • F01P11/0247—Safety; Locking against opening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/0204—Filling
    • F01P11/0209—Closure caps
    • F01P11/0238—Closure caps with overpressure valves or vent valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/0204—Filling
    • F01P11/0209—Closure caps
    • F01P11/0247—Safety; Locking against opening
    • F01P2011/0266—Safety; Locking against opening activated by pressure

Definitions

  • the present invention relates to a closure lid for openings on containers, in particular on motor vehicle radiators, according to the preamble of claim 1.
  • sealing caps cannot be unscrewed from the motor vehicle radiator if there is overpressure in the cooling system due to heating of the cooling liquid. This protects the users of motor vehicles from scalding due to hot coolant. Since the cover can therefore only be unscrewed when the
  • Motor vehicle cooler is essentially depressurized, there is a problem in that this also applies to the workshop or the motor vehicle service. In other words, the motor vehicle must be left in the workshop for a correspondingly long time or the motor vehicle radiator must be artificially cooled in some way. This is time consuming or cumbersome.
  • the object of the present invention is therefore to provide a closure cover of the type mentioned, which is prepared in such a way that, when the unscrew protection is switched on, it is not by the amateur user but nevertheless by the service or. Workshop specialist can be unscrewed in a conscious manner.
  • the measures according to the invention are based on Combination of movement requirements or sequences a way of overcoming the anti-rotation protection achieved by a specialist. This special position for bypassing the unscrewing protection is unconsciously not attainable by the layperson.
  • the axial mobility of the grip element relative to the closure element can be made possible, for example, by an elasticity of the central region of the grip element relative to its peripheral edge.
  • the features are provided according to claim 4, which offers the possibility of an axial movement relative to the closure element in a rigid handle element.
  • the twist-lock connection is not based solely on the direct connection of the grip element and the closure element, but is increased and guaranteed by the indirect twist-lock connection via the coupling insert.
  • FIG. 1 shows a schematic, perspective, half-section of a closure cover for a motor vehicle radiator with an overpressure / underpressure valve arrangement and an anti-rotation device in the respectively closed or non-activated starting position according to a preferred exemplary embodiment of the present invention
  • FIG. 2 shows a representation corresponding to FIG. 1, but during the build-up of an overpressure in the interior of the container in an overpressure position of the valve arrangement and when the anti-rotation lock is activated,
  • FIG. 3 shows a representation corresponding to FIG. 2, but with the anti-rotation lock deactivated by deliberate circumvention
  • Figure 4 is an axial section in an enlarged view by the auxiliary rotary connection according to FIG. 3.
  • the cover 11 shown in the drawing according to a preferred exemplary embodiment for a motor vehicle radiator has an outer cover part 10 provided with a grip element or an actuating handle 12, on the closure element 13 of which is designed as a screw-on element, an inner cover part 14 with an underpressure / overpressure valve arrangement 15 hanging and is held relatively rotatable.
  • the closure cover 11 is fixed, for example screwed on, to a radiator neck, not shown.
  • the inner cover part 14 protrudes in the direction of the interior of the radiator into the radiator neck.
  • An O-ring 16 seals the inner cover part 14 against the radiator socket wall.
  • the cap-like actuating handle 12 is fixed on the screw-on element 13 such that it can be moved axially by a few millimeters, but can be rotated in the circumferential direction by 360 °. This rotatability is blocked at normal pressure in the interior of the cooler by an axially movable coupling insert 80 for screwing the cap 11 on and off.
  • the overpressure part of the valve arrangement 15 is designed in two stages and serves to prevent the cooler from boiling dry in a first overpressure stage and to ensure security against damage to the cooler system due to excessive overpressure in a second overpressure stage.
  • the overpressure part of the valve arrangement 15 has a first valve body 17 and a second valve body 18 and a third valve body 19 in the interior of the cover inner part 14.
  • the first valve body 17 is arranged above the second valve body 18 in the direction of the outside of the cover, while the third valve body 19 coaxially inside of the second valve body 18 is received.
  • the first two-part valve body 17 has a radially inner valve body part 65 in the form of a valve disk and a radially outer valve body part 66 which overlap one another at the edge, the radially inner part being seated on the radially outer valve body part.
  • an annular membrane seal 21 is provided on the side of the two valve body parts 65, 66 facing the interior of the cooler.
  • the radially outer step-shaped valve body part 66 of the first valve body 17 is acted upon from a side facing away from the inside of the cooler by a closing pressure spring 22 which is supported with its end facing away from the first valve body 17 on a spring plate 23 which in turn is supported on the inner cover part 14.
  • the radially outer valve body part 66 of the first valve body 17 is prestressed in the direction of the cooler interior by means of the closing pressure spring 22. Via the radially outer flat sealing edge 68 of the membrane seal 21, the radially outer valve body part 66 sits on a first annular sealing seat 24 of the second valve body 18.
  • the radially inner valve body part 65 of the first valve body 17 has a central recess 37, the annular boundary edge of which extends from the inner part of the valve body Diaphragm seal 21 is encompassed.
  • This radially inner U-shaped sealing edge 67 of the membrane seal 21 forms a sealing surface for a vacuum valve 57 towards the inside of the container.
  • the radially inner valve body part lies on the outside edge
  • the radially inner valve body part 65 is guided axially within the spring plate 23 and connected to it in a rotationally fixed manner via, for example.
  • the radially inner valve body 65 has a stepped annular surface 69 near its radial outer edge, on which a cylinder part 82 of the coupling insert, which is rotatable relative to the valve body 65, carries an intermediate disk 85 80 sits under the action of a compression spring 81, which is supported on the inside of the grip element 12 of the outer cover part 13 on the intermediate plate 85. Both the intermediate plate 85 and the inside of the grip element 12 are provided with a cylindrical guide projection for the compression spring 81.
  • a second toothing 87 of the rotary connection 90 is on A cylinder shoulder 91 projecting axially from the inside of the grip element 12 on the inner circumference side and a third toothing 88 of the rotary connection 90 is provided on the inner circumference of a radial ring edge 92 which is integral with the closure element 13.
  • the axial length of the first toothing 86 of the rotational connection 90 on the coupling insert 80 is such that in the starting position shown in FIG. 1, a rotational connection of the first toothing 86 on the coupling insert 80 with both the second toothing 87 on the grip element 12 and is also present with the third toothing 88 on the closure element 13.
  • the grip element 12 covers the closure element 13 in a hood-like manner, wherein in each case near the lower edge the grip element 12 has a circumferential groove 71 running on the inside and the closure element 13 has a circumferential nose on the outside 72 which engages in the circumferential groove 71 and permits circumferential rotation of the grip element 12 with respect to the closure element 13 when the coupling insert 80 is disengaged accordingly, as will be described below.
  • the axial width of the circumferential groove 71 is greater than that of the circumferential nose 72 in such a way that, as can be seen from a comparison of FIGS. 1 and 3, the grip element 12 is pressed axially downwards from this position relative to the closure element 13, ie in the direction of the container neck can.
  • the grip element 12 is kept at a distance from the closure element 13 by means of a wave-shaped spring ring 73.
  • the just described axial movement of the grip element 12 with respect to the closure element 13 towards the container neck runs counter to the action of the spring ring 73.
  • the spring ring 73 and the sealing ring 74 are arranged on the inside of the grip element 12 in an annular space 75 which is delimited by the radially inner cylinder extension 91 and a radially outer cylinder extension 76 of the grip element 12. In the initial state shown in FIG. 1, both the free end 93 of the radially inner cylinder extension 91 and the free end 77 of the radially outer cylinder extension 76 are at a distance from the top of the ring edge 92 of the closure element 13.
  • Service rotary connection 95 is provided, which only acts when certain unique circumferential areas of the grip element 12 and the closure element 13 are brought into register with one another and when that Handle element 12 is moved axially against the action of the spring ring 73 and against the internal pressure of the container to the closure element 13.
  • an axially projecting closure lug 78 is provided on the free end 77 of the radially outer cylindrical extension 76 of the grip element 12 at a circumferential location and a closure recess 97 that fits into one another at a circumference location of the ring edge 92 of the closure element 13.
  • the locking lug 78 and the locking recess 97 only interlock when the grip element 12 is moved by the axial length of the locking lug 78, which otherwise slides along the surface of the ring edge 92 of the locking element 13.
  • the locking lug 78 and the locking recess 97 each have an inclined surface 79 or 99 (FIG. 4) in the direction of the opening movement, the angle of which is such that a
  • Rotary connection is possible, but only if the locking lug 78 is completely immersed in the locking recess 97 while maintaining the axial locking pressure.
  • the one-piece second valve body 18 has a hood part 26, which is provided on its free face with the first sealing seat 24, and a concentric and hollow-cylindrical receiving part 27 for the third valve body 19 pointing from the bottom of the hood part 26 to the interior of the cooler Circumferential groove received a second ring seal in the form of an O-ring 31, which is assigned a second sealing seat 32, which is formed by a collar edge on the inner cover part 14.
  • the inner cover part 14 is provided with an axial opening 33.
  • the closing pressure spring 22 presses the radially outer valve body part 66 of the first valve body 17 with the sealing edge 68 of the first ring seal 21 against the first sealing seat 24 of the second valve body 18, which in turn is pressed with its second ring seal 31 against the second sealing seat 32 on the inner cover part 14 ,
  • a cylindrical chamber 34 Between the bottom of the first ring seal 21 of the first valve body 17 and the top of the second valve body 18 there is a cylindrical chamber 34, the outer circumference of which is constant in the axial direction.
  • the chamber 34 is connected in the center via a bore 36 in the base to a recess 38 in the second valve body 18.
  • the recess 37 opens out at a cone region arranged at the free end of the receiving part 27 into the axial opening 33 of the inner cover part 14.
  • the second valve body 18 has a shoulder pointing towards the interior of the cooler, on which a third flat annular seal 39 is held is.
  • the third valve body 19 is received in the recess 38 of the second valve body 18 so as to be axially movable. It has a small-diameter neck area that is movable in the bore 36 and within the third ring seal 39, a shoulder area that forms a third sealing seat 43 in association with the third ring seal 39 on the second valve body 18, and also a cylindrical belly area.
  • a second compression spring 46 is provided within the recess 38 and is supported at one end on the underside of the third ring seal 39 of the second valve body 18 and at the other end on a shoulder of the third valve body 19. The third valve body 19 is biased in the direction of the interior of the cooler by the second compression spring 46.
  • Vacuum valve body 57 of the valve assembly 15 is closed.
  • the vacuum valve body 57 projects with its main part through the central opening and is acted upon by a third compression spring 59, which is supported at one end on a shoulder of the main part and at the other end on the surface of the radially inner valve body part 65 on the outside of the cover.
  • the vacuum valve body 57 with its annular sealing seat 61 is sealingly applied to the underside of the radially inner sealing edge 67 of the first ring seal 21 of the first valve body 17.
  • the sealing seat 61 of the vacuum valve body 57 is located radially on the inside of the first sealing seat 24 of the second valve body 18, while the latter is located radially on the outside against the second sealing seat 32 of the inner cover part 14 and the latter in turn radially on the outside of the third sealing seat 43 on the third valve body 19. All sealing seats 24, 32, 43, 61 point axially outwards, while all sealing surfaces 21, 31, 39 point axially inwards.
  • the first flow connection 50 is through the sealing contact of the first valve body 17 with its first ring or membrane seal 21 on the first sealing seat 24 of the second valve body 18 locked.
  • the pressure prevailing in the interior of the container in the form of the air cushion located above the liquid coolant is present through the annular gap.
  • the second flow connection 51 along the outer circumference of the second valve body 18 is due to the sealing contact of the second seal 31 of the second valve body 18 on the second sealing seat 32 of the inner lid part 14 closed.
  • the unscrewing protection of the closure cover 11 is activated.
  • the radially inner valve body part 65 of the first valve body 17 is moved upwards, the second valve body 18 remaining in its sealing position.
  • the radially outer valve body part 66 of the first valve body 17 remains in its sealing position with respect to the second valve body 18.
  • the membrane ring seal 21 allows this relative movement between the radially inner valve body part 65 and the radially outer valve body part 66 due to its meandering shape between its two sealing edges 67 and 68.
  • the handle element 12 Due to this disengaging movement of the coupling element 80 from the closure element 13 of the outer cover part 10, the handle element 12 is turned empty relative to the closure element 10, so that from a certain defined excess pressure (here, for example, 0.3 bar), the closure cover 11 is unscrewed from the container filler neck is no longer possible. This rotation lock remains even if the Tank pressure.
  • a certain defined excess pressure here, for example, 0.3 bar
  • the second or service rotary connection 95 is activated. This is done in such a way that under axial pressure in the direction of arrow S on the grip element 12 in the direction of the closure element 13, the grip element 12 is rotated in one or the other circumferential direction until the locking lug 78 of the grip element 12 via the closure recess 97 reaches the closure element 13 and the grip element 12 can be moved in the direction of the arrow S by the length of the closure lug 96. While maintaining this axial pressure in the direction of arrow S on the handle member 12 can in the direction of the opening movement, ie. H. in the counterclockwise direction due to the rotation, the closure element 13 is moved and the closure cover 11 is thus unscrewed.
  • the coupling insert 80 When the grip element 12 moves axially in the direction of the arrow S by the length of the locking lug 78, the coupling insert 80, the upper end 84 of which rests against the inside of the grip element 12, is also moved axially in the direction of the arrow S, so that the first toothing 86 of the coupling insert 80 engages in the third toothing 88 by the path corresponding to the length of the locking lug 78.
  • the first to third teeth 86 to 88 are provided on the outer and inner circumferential side with axially directed and circumferential toothing, which is not shown in detail here.
  • the mutually facing end faces of the toothings 86 and 88 are provided with inclined surfaces in the direction 0 of the opening movement, similar to the configuration in FIG. 4, so that a rotational connection is also achieved here. if the grip element 12 is moved axially by the stated distance and the pressure in the direction of the arrow S is maintained.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Closures For Containers (AREA)

Abstract

L'invention concerne un bouchon de fermeture (11) pour orifices de radiateurs de véhicules automobiles. Ce bouchon comporte une partie extérieure (10), pourvue d'un élément de fermeture (13) en liaison avec une tubulure du contenant et d'un élément de maniement (12) pivotant relativement à l'élément de fermeture, et une protection contre la torsion, qui comprend une pièce d'accouplement (80) solidaire en rotation avec l'élément de maniement (12) et axialement mobile dans l'élément de fermeture (13), pour accoupler de manière libérable les éléments de fermeture et de maniement. L'invention vise à créer un bouchon de fermeture qui, lorsque la protection contre le dévissage est active, ne peut pas être ouvert par des amateurs mais peut l'être de façon adéquate par un spécialiste. A cet effet, une mobilité axiale est conférée à l'élément de maniement (12), au moins dans sa zone centrale, par rapport à l'élément de fermeture (13), lorsque, la pièce d'accouplement (80) étant désaccouplée et l'élément de maniement (13) étant simultanément en rotation, une liaison de fermeture par rotation (95), à prise axiale et effet radial, est réalisée sur une partie circonférentielle.
PCT/EP2002/007033 2001-07-05 2002-06-26 Bouchon de fermeture à protection contre le dévissage Ceased WO2003004841A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE50208903T DE50208903D1 (de) 2001-07-05 2002-06-26 Verschlussdeckel mit abschraubsicherung
US10/362,685 US20040099668A1 (en) 2001-07-05 2002-06-26 Sealing cover with an anti-unscrew safety device
EP02762302A EP1402157B1 (fr) 2001-07-05 2002-06-26 Bouchon de fermeture protection contre le devissage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10132661.0 2001-07-05
DE10132661A DE10132661A1 (de) 2001-07-05 2001-07-05 Verschlussdeckel mit Abschraubsicherung

Publications (1)

Publication Number Publication Date
WO2003004841A1 true WO2003004841A1 (fr) 2003-01-16

Family

ID=7690747

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/007033 Ceased WO2003004841A1 (fr) 2001-07-05 2002-06-26 Bouchon de fermeture à protection contre le dévissage

Country Status (4)

Country Link
US (1) US20040099668A1 (fr)
EP (1) EP1402157B1 (fr)
DE (2) DE10132661A1 (fr)
WO (1) WO2003004841A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10034761A1 (de) * 2000-03-31 2002-01-31 Heinrich Reutter Verschlussdeckel
DE20211232U1 (de) * 2002-07-18 2003-11-20 Reutter, Heinrich, 71336 Waiblingen Verschlussdeckel
US8087529B2 (en) 2004-11-09 2012-01-03 Reutter Metallwarenfabrik Gmbh Safety closure for steam pressurized containers of household appliances
DE202004017790U1 (de) * 2004-11-09 2006-03-23 Reutter Metallwarenfabrik Gmbh Sicherheitsverschluss für unter Dampfdruck stehende Behälter von Haushaltsgeräten
US8353418B2 (en) * 2010-07-23 2013-01-15 Bemis Manufacturing Company Pressure relief cap
US8794364B2 (en) 2012-06-14 2014-08-05 GM Global Technology Operations LLC Locking cap for a fluid reservoir
DE102012218392A1 (de) * 2012-10-09 2014-04-10 Reutter Gmbh Druck- oder temperaturgesteuertes Wegeventil für einen Ausgleichsbehälter und Kühlsystem einer Brennkraftmaschine
WO2015172068A1 (fr) * 2014-05-09 2015-11-12 Harley-Davidson Motor Company Group, LLC Ensemble réservoir de carburant à mise à l'air libre déclenché
JP6496565B2 (ja) * 2014-11-26 2019-04-03 現代自動車株式会社Ｈｙｕｎｄａｉ Ｍｏｔｏｒ Ｃｏｍｐａｎｙ ラジエータ圧力制御用安全キャップ装置及びその圧力制御方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5570804A (en) * 1995-10-31 1996-11-05 Chang; Chang-Yao Radiator cover
EP0894955A1 (fr) * 1997-07-30 1999-02-03 BLAU Kunststofftechnik Zweigniederlassung der Tesma Europa GmbH Bouchon de fermeture avec un verrouillage de sécurité pour un réservoir
DE19923774A1 (de) * 1999-05-22 2000-11-23 Heinrich Reutter Verschlußdeckel für Kraftfahrzeugkühler

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US4676390A (en) * 1986-07-22 1987-06-30 Stant Inc. Pressure-release fuel cap
IT1234093B (it) * 1989-05-30 1992-04-29 Mec Tappi Stampati Di Cau Giul Tappo di sicurezza per contenitori in pressione
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EP0760789B1 (fr) * 1994-06-01 1998-08-26 REUTTER, Heinrich Ensemble bouchon fixable sur le col d'un reservoir
DE4430822C1 (de) * 1994-08-31 1995-11-30 Kaercher Gmbh & Co Alfred Schraubverschluß für einen Dampfbehälter
IT236893Y1 (it) * 1995-05-23 2000-08-31 Miralfin Srl Tappo di sicurezza per contenitori in pressione
DE29613951U1 (de) * 1996-08-12 1996-09-19 Cappelli, Luigi, Ierago con Orago, Varese Sicherheitsverschluß für unter Druck stehende Behälter
DE19720403A1 (de) * 1997-05-15 1998-11-19 Bayerische Motoren Werke Ag Sicherheitsverschluß-Vorrichtung für ein Druckgefäß, insbesondere Ausgleichsbehälter für das Kühlsystem einer Brennkraftmaschine
EP0995888A1 (fr) * 1998-10-23 2000-04-26 Behr Thermot-tronik Italia S.p.A. Bouchon de sécurité, notamment pour des circuits de refroidissement à liquide des moteurs à combustion interne pour des véhicules automobiles
DE10034761A1 (de) * 2000-03-31 2002-01-31 Heinrich Reutter Verschlussdeckel
US6796451B2 (en) * 2002-07-18 2004-09-28 Stant Manufacturing Inc. Pressure deactivated torque override coolant cap

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5570804A (en) * 1995-10-31 1996-11-05 Chang; Chang-Yao Radiator cover
EP0894955A1 (fr) * 1997-07-30 1999-02-03 BLAU Kunststofftechnik Zweigniederlassung der Tesma Europa GmbH Bouchon de fermeture avec un verrouillage de sécurité pour un réservoir
DE19923774A1 (de) * 1999-05-22 2000-11-23 Heinrich Reutter Verschlußdeckel für Kraftfahrzeugkühler

Also Published As

Publication number Publication date
EP1402157B1 (fr) 2006-12-06
EP1402157A1 (fr) 2004-03-31
US20040099668A1 (en) 2004-05-27
DE10132661A1 (de) 2003-01-16
DE50208903D1 (de) 2007-01-18

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