EP1268993B1 - Bouchon de fermeture - Google Patents

Bouchon de fermeture Download PDF

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Publication number
EP1268993B1
EP1268993B1 EP01927773A EP01927773A EP1268993B1 EP 1268993 B1 EP1268993 B1 EP 1268993B1 EP 01927773 A EP01927773 A EP 01927773A EP 01927773 A EP01927773 A EP 01927773A EP 1268993 B1 EP1268993 B1 EP 1268993B1
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EP
European Patent Office
Prior art keywords
cap
sealing
recited
valve body
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.)
Expired - Lifetime
Application number
EP01927773A
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German (de)
English (en)
Other versions
EP1268993A1 (fr
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
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Individual
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Filing date
Publication date
Priority claimed from DE2000115563 external-priority patent/DE10015563A1/de
Application filed by Individual filed Critical Individual
Publication of EP1268993A1 publication Critical patent/EP1268993A1/fr
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Publication of EP1268993B1 publication Critical patent/EP1268993B1/fr
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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
    • F01P11/0238—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
    • F01P11/0285—Venting devices
    • 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
    • F01P11/0214—Mounting
    • F01P2011/0228—Sealing
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S220/00—Receptacles
    • Y10S220/32—Radiator cap

Definitions

  • the present invention relates to a closure cover for openings on containers, in particular on motor vehicle radiators, according to the preamble of claim 1.
  • Such a cap is, as far as his valve assembly, due to the large number of components constructive, manufacturing technology and assembly technology consuming.
  • Object of the present invention is therefore to provide a closure cap of the type mentioned, the valve assembly is structurally simplified, manufacturing technology and assembly technology.
  • the features are provided according to claim 2, so that a single sealing element is sufficient.
  • an advantageous embodiment of the first radial mating surface is achieved in such a way that the inner wall of the inner cover part is directly available for this purpose.
  • a closure lid with safety lock for openings on containers is also known.
  • This safety lock makes it possible to prevent unscrewing of the closure lid when prevailing in the container overpressure, in that the closure cap is blocked against the filler neck on the container non-rotatably.
  • This known safety lock uses an axially movable insert which surrounds the inner cover part or its valve arrangement and which is thereby exposed directly to the pressure prevailing in the container overpressure by its inner bottom is disposed in the opening of the filler neck.
  • This axially movable insert is axially movable in a tubular additional inner part, but held non-rotatably, which sits non-rotatably in the filler neck of the container and against which the closure lid is rotatable. When occurring in the container overpressure, the insert is moved axially in the direction of the closure lid and engages in this non-rotatably. This results in a rotational blocking of the closure lid over the insert and the additional inner part with the filling opening of the container.
  • both the axially movable insert and the tubular additional inner part increase the Diameter of the inner cover part of the closure cover or reduce the effective area of the valve assembly of the closure cap, which has a negative impact on the response of the valve assembly.
  • a further space saving for the valve assembly is obtained when the features are provided according to claim 18.
  • the features of claim 19 results in a support of the axial movement of the coupling insert.
  • the features according to claim 20 are provided in an advantageous manner. It may be expedient to form the guide element according to the features of claim 21.
  • the sleeve member can thus actively retrieve the clutch insert from its disengaged position in its engagement position in connection with the spring coupling.
  • the features of claim 22 are provided.
  • the inner cover part 14 is formed in two parts and thus composed of an inner, upper member 25 and an outer not shown in the lid outer part main element 26, in which the inner, upper member 25 is fixed sealed sealed.
  • the inner, upper member 25 has a coaxial guide ring extension 27 which projects inwardly from the ceiling 28 of the element 25. This guide ring projection 27 receives one end of the compression spring 22, which is supported on the inside of the ceiling 28.
  • the guide ring extension 27 serves for the axial guidance of the valve body 17.
  • the inner cover part 14 is provided with radial outflow openings 29 on the outer peripheral side.
  • an O-ring 24 is provided for tight connection.
  • the main element 26 of the inner cover part 14 has at its bottom 31 a here coaxial flow opening 32, which forms a connection between the container interior and the interior of the inner lid part 14.
  • the flow-through opening 32 is Coaxially surrounded by a projecting towards the inside of the inner lid part 14 ring projection 33, the free annular end forms a sealing seat 34 for the axial sealing surface 20 of the profile ring seal 18 of the valve body 17.
  • the main element 26 of the inner cover part 14 has an axially outwardly open annular groove 37, in which a ring insert 38 is received, the U -shaped throttle channel 39 includes or forms.
  • the U-shaped throttle channel 39 is provided in the illustrated embodiment at a position of the circumference of the main element 26 of the inner lid part 14.
  • the throttle channel 39 has two axially spaced radial channel portions 41 and 42, which are connected by an axial channel portion 43, which is located between the respective inner peripheral portion of the main member 26 and the respective outer peripheral portion of the ring insert 38.
  • the channel parts 41 and 42 are here by radial grooves cut in the annular insert 38 and the channel part 43 is formed by a cut in the main element 26 axial groove.
  • the one-piece valve body 17 has a radially stepped main body 46 in the axial direction, which carries the profile ring seal 18, and a profile ring seal 18 facing away from the guide member 47, the hollow cylinder and the guide ring approach 47 of the inner cover part 14 is guided across this. At one of the profile ring seal 18 facing away from the inner shoulder of the valve body 17, the compression spring 22 is supported.
  • the profile ring seal 18 is attached at a stepped outer peripheral portion of the valve body 17, the profile ring seal 18 is attached.
  • the axial sealing surface 20 of the profile ring seal 18 is seen in cross section formed like a vault and has a radially outer sealing surface 51, a radially middle sealing surface 52 and a radially inner sealing surface 53.
  • the radially inner sealing surface 53 cooperates with a still to be described vacuum valve body 71, the radially middle sealing surface 52 is in the rest position of the valve assembly 15 on the sealing seat 34 of the inner lid part 14th
  • the radial sealing surface arrangement 21 has two arranged at a certain axial distance sealing surfaces 56 and 57, between which a cutout 58 is provided.
  • Both the upper sealing surface 56 and the lower sealing surface 57 which merges into the radially outer sealing surface 51, sealingly abut against the inner wall 61 and / or 62 of the main element 26 of the inner lid part 14 or of the annular insert 38, which is designed as a sealing seat.
  • the vacuum valve body 71 protrudes with its main part 72 through the central opening 66 and is acted upon at its end by a compression spring 67, which at one end on a shoulder of the main part 72 and the other end on the outer surface of the inner shoulder of., Valve body 17, on which also Compression spring 22 rests, supports. In this way, the vacuum valve body 71 is sealingly applied with its annular sealing seat 73 to the radially inner sealing surface 53 of the axial sealing surface arrangement 20 of the profile ring seal 18 of the valve body 17.
  • any flow connection between container interior and container exterior is due to the sealing engagement of all sealing surfaces 51 to 53 of the axial sealing surface arrangement 20 of the profile seal 18 of the valve body 17 at the respective sealing seats 36, 34, 73 of the inner cover part 14 and the vacuum valve body 71 is closed.
  • the profile ring seal 18 of the valve body 17 and at the bottom of the vacuum valve body 71 is through the flow-through 32 through the prevailing pressure inside the container in the form of over the liquid cooling medium located air cushion.
  • valve assembly 15 of the closure lid 11 reaches the operating state shown in Fig. 2, according to which the valve body 17 lifts against the action of its compression spring 22 with its radially central sealing surface 52 from the sealing seat 34 and the profile ring seal 18th in the region of the ring insert 38 passes in such a way that the two radial sealing surfaces 56 and 57 of the radial sealing surface arrangement 21 of the profile ring seal 18 of the valve body 17 below and above the radial channel parts 41 and 42 and thus open the throttle channel 39 at both ends.
  • a balance between the action of the container internal pressure and the counteraction of the compression spring 22 has been adjusted.
  • a first flow connection between the container interior and the container outer is open, which leads from the flow-through opening 32 via the U-shaped throttle channel 39 to the outflow openings 29.
  • air can flow out of the air cushion located above the liquid cooling medium to the outside and compensate or reduce the overpressure. If this reduces the overpressure to below the first limit value, the valve body 17 again comes into sealing engagement with the axial sealing seat 34 of the inner lid part 14.
  • valve body 17 can also be returned under the action of its compression spring 22, so that the throttle channel 39 opens again and a further pressure reduction can take place.
  • valve body 17 is raised further against the pressure spring 22 pressing on it, so that windows 69 which are located in the wall of the inner cover part 14 at certain peripheral areas are opened illustrated manner with the container exterior in conjunction (Fig. 4).
  • the upper channel part 41 still opens into the free space 58, which has no connection to the outflow openings 29.
  • This upper end position of the valve body 17 is by the installation of an internal stage 48 of the Valve body 17 is given to the free annular end of the guide ring projection 27 of the inner lid part 14.
  • said overpressure can be reduced via a second flow connection, after which a corresponding return of the valve body 17 can take place via the various operating states.
  • the initial position shown in FIG. 1 occupies the valve assembly 15 when the internal coolant pressure moves between a negative pressure limit and the first excess pressure limit.
  • Such pressure conditions prevail, for example, for a parked vehicle for a long time or driving the vehicle and sufficient cooling of the coolant inside the radiator by the airstream and / or with fan assistance. If the vehicle is shut down, for example, after a long journey, an increase in pressure may result inside the radiator, as a result of which the radiator content (air or water or water vapor) can flow to the valve arrangement 15. If the coolant volume expands as a result of this reheating effect in such a way that the container volume is exceeded, this would inevitably lead to coolant discharge.
  • the closure lid 111 shown in FIGS. 5 to 9 for, for example, a motor vehicle radiator has a cover outer part 110 provided with a grip element or an actuating handle 112, on whose closure element 113 designed as a screw-on element a cover inner part 114 with a negative pressure / overpressure valve arrangement 115 suspended and is held relatively rotatable.
  • a cover inner part 114 In the use position of the closure lid 111 is fixed to a radiator neck, not shown, for example. Screwed.
  • the cover inner part 114 protrudes in the direction of the radiator interior in the radiator neck.
  • An O-ring 116 seals the inner lid portion 114 against thedeerstutzenwandung.
  • the cap-like actuating handle 112 When two-part outer cover part 110, the cap-like actuating handle 112 is axially fixed on the Aufschraubelement 113, but rotatable in the circumferential direction. This twistability is blocked at normal pressure in the cooler interior by an axially movable coupling insert 180 for screwing and unscrewing the closure lid 111.
  • the overpressure portion of the valve assembly 115 is formed in two stages and serves to prevent emptying of the radiator in a first overpressure stage and to ensure safety against damage to the radiator system due to excessive overpressure in a second overpressure stage.
  • the overpressure portion of the valve assembly 115 has a single valve body 117 which is axially movable within the inner lid portion 114 between two end positions.
  • a profiled annular seal 118 which has both an axially acting sealing surface arrangement 120 and a radially acting sealing surface arrangement 121.
  • the valve body 117 is biased axially inwards in the direction of the container interior by means of a compression spring 122 which is supported on the cover inner part 114.
  • the inner cover member 114 is formed in two parts and thus composed of an inner member 125 and an outer in the Aufschraubelement 113 of the outer cover member 110 hanging main element 126, in which the inner member 125 is fixed sealed sealed.
  • the inner member 125 is approximately hood-shaped with an axial opening in the hood bottom 128, on the inside of which one end of the compression spring 122 is supported.
  • the inner lid portion 114 is provided on the outer peripheral side with radial outflow openings 129.
  • an O-ring 124 is provided for sealing connection.
  • the main element 126 of the inner cover part 114 has at its bottom 131 a here coaxial flow opening 132, which forms a connection between the container interior and the interior of the inner cover part 114.
  • the flow-through opening 132 is coaxially surrounded by an annular shoulder 133 protruding toward the inside of the inner cover part 114, the free annular end of which forms a sealing seat 134 for the axial sealing surface arrangement 120 of the profile-ring seal 118 of the valve body 117.
  • An annular space 136 remains between the outer circumference of the annular shoulder 133 and the inner circumference of the main element 126 in this region.
  • a ring insert 138 is received between the lower annular end of the inner element 125 and a recess in the main element 126 of the inner cover part 114 -shaped throttle channel 139 includes or with his forms adjacent components.
  • the U-shaped throttle channel 139 is provided in the illustrated embodiment at a position of the circumference of the inner lid part 114.
  • the throttle channel 139 has two axially spaced radial channel portions 141 (adjacent the inner member 125) and 142 (adjacent the recess in the main member 126) connected by an axial channel portion 143 extending between the respective inner peripheral portion of the main member 126 and the inner peripheral portion relevant outer peripheral region of the ring insert 138 is located.
  • the channel parts 141, 142 and 143 are formed here by cut in the ring insert 138 radial or axial grooves.
  • the one-piece valve body 117 has a radially stepped in the axial direction-main part 146 which carries the profile ring seal 118, and facing away from the profile ring seal 118 a guide member 147 sits, which is hollow cylindrical and engages in the hollow coupling insert 180. At a radial outer shoulder of the main part 146 of the valve body 117, the compression spring 122 is supported.
  • the axial sealing surface arrangement 120 of the profile ring seal 118 is formed as a vault in cross-section and has a radially outer sealing surface 151, a radially middle sealing surface 152 and a radially inner sealing surface 153.
  • the radially inner sealing surface 153 cooperates with a still to be described vacuum valve body 171, the radial mean sealing surface 152 is in the rest position of the valve assembly 115 on the sealing seat 134 of the inner lid portion 114 and the radially outer sealing surface 151 is located at the bottom of the annular space 136.
  • the radial sealing surface arrangement 121 has two spaced at certain axial distance sealing surfaces 156 and 157, between which a cutout 158 is provided. Both the upper sealing surface 156 and the lower sealing surface 157, which merges into the radially outer sealing surface 151, are in sealing contact with the inner wall 161 and / or 162 of the main element 126 of the inner cover part 114 or of the annular insert 138, which is designed as a sealing seat.
  • this coupling insert 180 and guide member 147 are mutually rotatable and axially displaceable.
  • the axial displaceability is, as shown in FIG. 5, limited by adjoining shoulders 181, 182 such that guide element 147 and coupling insert 180 always engage with one another.
  • the guide member 147 is sleeve-shaped, wherein the outer periphery of the inner, the valve body 117 facing the end is stepped to form abutment shoulders for an axial spring coupling arrangement.
  • the spring coupling assembly has a first inner compression coil spring 183 biased between the clutch insert 180 and the guide member 147 and an outer second compression coil spring 184 supported at one end on the guide member 147 and the other end on the inner member 125 of the inner cover member 114. These two pressure coil springs 183 and 184 are surrounded by the pressure coil spring 122 acting on the valve body 117.
  • the axially displaceable coupling insert 180 which penetrates with its lower end which engages over the guide element 147, a central through-bore of the inner member 125 of the inner lid part 114, lies with its outer outer diameter larger end in the initial state of FIG. 5 within a recess 186 of a radial Flange 187 of Aufschraubelements 113 and within one of the Actuating handle 112 axially inwardly projecting centric annular flange 188.
  • the coupling insert 180 is connected to the axial flange 188 on the actuating handle 112 in a non-rotatable manner, for example. By corresponding interlocking circumferential teeth. In the initial position shown in Fig.
  • the coupling insert 180 is also connected to the radial flange 187 of the Aufschraubelements 113, and also via not shown circumferentially and axially extending gear assemblies non-rotatably connected.
  • actuating handle 112 and screw-113 are non-rotatably connected to each other in the circumferential direction, so that the closure lid 111 by means of the actuating handle 112 on the filler neck of a container, not shown, and can unscrew.
  • an opening 166 which is closed on the side facing the cooler inside by the vacuum valve body 171 of the valve assembly 115, is provided.
  • the vacuum valve body 171 protrudes with its main part 172 through the central opening 166 and is acted upon at its end by a compression spring 167 which is supported at one end on a shoulder of the main part 172 and the other end on the outer surface of the inner shoulder of the valve body 117.
  • the vacuum valve body 171 is sealingly applied with its annular sealing seat 173 to the radially inner sealing surface 153 of the axial sealing surface arrangement 120 of the profile ring seal 118 of the valve body 117.
  • the valve body 117 is moved upwards so that the profile ring seal 118 lifts off from the sealing seat 134 with its central sealing surface 152. This increases the acted upon by the overpressure effective surface, which was previously formed only by the bottom of the vacuum valve body 171 to the inner axial surface of the profile ring seal 118.
  • the valve arrangement 115 of the closure lid 111 reaches the operating state shown in FIG. 7, according to which the valve body 117 continues to lift against the action of its compression spring 122 and the profile ring seal 118 moves into the region of the Ring insert 138 reaches such that the two radial sealing surfaces 156 and 157 of the radial sealing surface arrangement 121 of the profile ring seal 118 of the valve body 117 are below or above the radial channel parts 141 and 142 and thus open the throttle channel 139 at both ends.
  • the predetermined first limit value for example 1.4 bar
  • valve body 117 is raised further counter to the pressure spring 122 acting on it when an upper (safety) pressure limit value (of, for example, 2 bar) is exceeded, so that both the annular insert 138 and the inner one engage in the wall Elementes 125 of the inner lid portion 114 are open at certain peripheral areas axial outflow channels 169 are opened, which communicate with the discharge opening 129 and therefore with the container outer (Fig. 8).
  • an upper (safety) pressure limit value of, for example, 2 bar
  • Fig. 9 also shows a possible short-term state of the Abschraub Anlagen when the valve body 117 is returned to its original position and during the activation of the Abschraub Anlagen a rotation of the actuating handle 112 is done.
  • the coupling insert 180 with its toothing is not exactly above the tooth gaps of the toothing of the screw-on element 113.
  • the Abschraub Anlagen from their activated in their deactivated state shown in FIG. 5 a short rotational actuation of the actuating handle 112 is sufficient, which causes the under considerable bias external second Drückchtlfeder 184 the guide member 147 against arrow A down emotional.
  • the inner first compression spring 183 is relaxed and the guide member 147 takes with its outer annular shoulder 181 by contact with the inner ring shoulder 182 of the coupling insert 180 this against arrow A, so that the coupling connection between the actuating handle 112 and the screw 113 engages again or to effect comes.
  • the operating position is achieved in total according to Fig. 5 and the closure lid 111 can be unscrewed safely from the filler neck of the radiator.
  • the initial position shown in Fig. 5 takes the valve assembly 115 when the inner cylinder pressure between a vacuum limit and a very low pressure value of less than 0.3 bar moves here.
  • Such pressure conditions prevail, for example, for a parked vehicle for a long time or driving the vehicle and sufficient cooling of the coolant inside the radiator by the airstream and / or with fan assistance.
  • the vehicle If the vehicle is shut down, for example, after a long journey, it may be inside the radiator result in a pressure increase, due to which the valve assembly 115 can flow cooler content (air or water or water vapor). If the coolant volume expands as a result of this reheating effect in such a way that the container volume is exceeded, this would inevitably lead to coolant discharge. This undesirable effect is prevented in the manner described above.
  • the vacuum valve body 171 If negative pressure prevails in the interior of the cooler and if it falls below a predetermined negative pressure limit, starting from the operating position according to FIG. 5, the vacuum valve body 171 is lifted with its sealing seat 173 from the radially inner sealing surface 153 of the profile ring seal 118 of the valve body 117 to the interior of the cooler. The lowering of the vacuum valve body 171 takes place against the biasing force of the compression spring 167, so that opens in a manner not shown, a third flow connection between the radiator interior and theméeräußeren.

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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)

Claims (28)

  1. Couvercle de fermeture (11) pour des ouvertures sur des récipients, en particulier sur des radiateurs automobiles, comportant un élément intérieur de couvercle (14) et des première et deuxième liaisons d'écoulement entre l'intérieur du récipient et l'extérieur du récipient, ainsi qu'un agencement de soupapes (15) permettant de libérer et d'interrompre les liaisons d'écoulement de telle sorte que, lorsqu'on dépasse une première valeur limite de la pression intérieure du récipient, la première liaison d'écoulement s'ouvre, laquelle peut alors être refermée lorsqu'on atteint une deuxième valeur limite plus élevée et, lorsqu'on dépasse une troisième valeur limite de la pression intérieure du récipient à la fois supérieure à la première valeur limite et à la deuxième valeur limite de la pression intérieure du récipient, la deuxième liaison d'écoulement est ouverte, moyennant quoi l'agencement de soupapes (15) présente un corps de soupape (17) pouvant se déplacer axialement selon un mouvement de va-et-vient, lequel est appuyé sur l'élément intérieur de couvercle (14) par l'intermédiaire d'un ressort (22) en direction de l'intérieur du récipient contre un premier siège d'étanchéité (34),
    caractérisé en ce que l'agencement de soupapes (15) présente un seul corps de soupape (17) qui est doté d'un premier agencement de surfaces d'étanchéité ayant une action axiale (20) et d'un deuxième agencement de surfaces d'étanchéité ayant une action radiale (21), moyennant quoi à l'agencement de surfaces d'étanchéité ayant une action axiale (20) est affecté un siège d'étanchéité (34) axial entourant un orifice de liaison (32) prédéfini sur l'élément intérieur du couvercle (14) jusqu'à l'intérieur du récipient, et moyennant quoi à l'agencement de surfaces d'étanchéité ayant une action radiale (21) est affectée une première surface d'étanchéité opposée (61, 62) radiale présentant une dérivation (39) de la première liaison d'écoulement, et une deuxième surface d'étanchéité opposée (61) radiale présentant un orifice d'évacuation de sécurité (69) de la deuxième liaison d'écoulement.
  2. Couvercle de fermeture selon la revendication 1, caractérisé en ce que l'agencement de surfaces d'étanchéité ayant une action axiale (20) et l'agencement de surfaces d'étanchéité ayant une action radiale (21) du corps de soupape (17) sont réunis dans une bague d'étanchéité profilée (18).
  3. Couvercle de fermeture selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que le siège d'étanchéité axial (34) est formé sur l'élément intérieur du couvercle (14) par l'intermédiaire d'un insert de bague (33) dépassant du fond (31) doté de l'orifice de liaison (32).
  4. Couvercle de fermeture selon au moins une quelconque des revendications 1 à 3, caractérisé en ce que la première surface d'étanchéité opposée radiale est formée par la paroi intérieure (61, 62) de l'élément intérieur du couvercle (14) dans laquelle, dans une première zone axiale, un insert de bague (38) est reçu, lequel forme la dérivation (39) de la première liaison d'écoulement.
  5. Couvercle de fermeture selon la revendication 4, caractérisé en ce que la dérivation est configurée par l'intermédiaire d'un canal d'étranglement (39) en forme de U au niveau d'au moins un emplacement périphérique de l'élément intérieur du couvercle (14).
  6. Couvercle de fermeture selon la revendication 5, caractérisé en ce que l'insert de bague (38) possède deux canaux radiaux (41, 42) disposés selon un espacement axial, lequel est formé par un canal axial (43) entre la surface extérieure de l'insert de bague (38) et la surface intérieure de l'élément intérieur du couvercle (14).
  7. Couvercle de fermeture selon l'une quelconque des revendications 1 et 6, caractérisé en ce que l'agencement de surfaces d'étanchéité ayant une action radiale (21) présente deux zones de surfaces d'étanchéité (56, 57), dont l'espacement axial est inférieur à l'espacement axial entre les deux canaux radiaux (41, 42) de la dérivation (39).
  8. Couvercle de fermeture selon l'une quelconque des revendications 2 et 7, caractérisé en ce que les zones de surfaces d'étanchéité (56, 57) sont formées par un espace libre périphérique (58) dans la bague d'étanchéité profilée (18).
  9. Couvercle de fermeture selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que la deuxième surface d'étanchéité opposée radiale est formée par la paroi intérieure (61) de l'élément intérieur de couvercle (14), dans laquelle les orifices d'évacuation de sécurité (69) sont formés dans une deuxième zone axiale.
  10. Couvercle de fermeture selon l'une quelconque des revendications 4 et 9, caractérisé en ce que les deux zones axiales de la paroi intérieure (61) de l'élément intérieur du couvercle (14) se recouvrent.
  11. Couvercle de fermeture selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que le corps de soupape (17) présente un manchon de guidage (47) disposé en étant opposé à la bague d'étanchéité profilée (18), qui agit conjointement avec une bague de guidage (27) dépassant axialement de l'élément intérieur du couvercle (14).
  12. Couvercle de fermeture selon la revendication 11, caractérisé en ce que, à l'intérieur de la bague de guidage (27), est maintenu le ressort de pression (22) sollicitant le corps de soupape (17).
  13. Couvercle de fermeture selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que l'élément intérieur du couvercle (14) est subdivisé en deux axialement.
  14. Couvercle de fermeture selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que le corps de soupape (17) présente une ouverture centrale (66) par laquelle dépasse un corps de soupape de dépression (71), dont le siège d'étanchéité (73) est adjacent à l'ouverture centrale (66) de manière périphérique sur une autre surface d'étanchéité axiale (53) du corps de soupape (17).
  15. Couvercle de fermeture selon la revendication 14, caractérisé en ce que l'autre surface d'étanchéité axiale (53) fait partie de l'agencement de surfaces d'étanchéité ayant une action axiale (20) ou de la bague d'étanchéité profilée (18).
  16. Couvercle de fermeture selon l'une quelconque des revendications 14 ou 15, caractérisé en ce que le corps de soupape de dépression (71) est précontraint à l'aide d'un ressort (67) reposant sur le côté supérieur du corps de soupape (17) contre l'autre surface d'étanchéité axiale (53) du corps de soupape (17).
  17. Couvercle de fermeture (111) selon au moins l'une quelconque des revendications précédentes, caractérisé en ce qu'un élément extérieur de couvercle (110), sur lequel est maintenu en suspension l'élément intérieur du couvercle (114), est formé par les éléments de préhension et de fermeture (112, 113) pouvant pivoter l'un par rapport à l'autre, moyennant quoi il est prévu un insert d'accouplement (180) mobile axialement afin d'assurer leur liaison amovible et résistante à la rotation, dont le mouvement axial est induit par le mouvement axial dépendant de la pression du corps de soupape unique (117).
  18. Couvercle de fermeture selon la revendication 17, caractérisé en ce que l'insert d'accouplement (180) mobile axialement est disposé à l'intérieur de l'élément de préhension (112) de l'élément extérieur du couvercle (110).
  19. Couvercle de fermeture selon l'une quelconque des revendications 17 ou 18, caractérisé en ce que, entre l'insert d'accouplement (180) mobile axialement et le corps de soupape (117) est prévu un accouplement de ressorts axial (183, 184) permettant d'introduire et / ou de dégager l'insert d'accouplement (180).
  20. Couvercle de fermeture selon au moins l'une quelconque des revendications 17 à 19, caractérisé en ce que, entre l'insert d'accouplement (180) mobile axialement et le corps de soupape (117), il est prévu un élément de guidage (147) mobile axialement.
  21. Couvercle de fermeture selon la revendication 20, caractérisé en ce que l'élément de guidage (147) est mobile axialement à l'intérieur de l'insert d'accouplement creux (180) et est maintenu dans une position de retrait maximale par l'intermédiaire des éléments de butée d'extrémité (181, 182).
  22. Couvercle de fermeture selon la revendication 21, caractérisé en ce que l'élément de guidage (147) et l'insert d'accouplement (180) sont maintenus de manière à pouvoir pivoter l'un par rapport à l'autre.
  23. Couvercle de fermeture selon au moins l'une quelconque des revendications 19 à 22, caractérisé en ce que l'accouplement de ressorts axial (183, 184) entoure l'élément de guidage (147).
  24. Couvercle de fermeture selon au moins l'une quelconque des revendications 19 à 23, caractérisé en ce que l'accouplement de ressorts axial présente un premier ressort hélicoïdal de pression (183), qui est prévu entre l'élément de guidage (147) et l'insert d'accouplement (180).
  25. Couvercle de fermeture selon au moins l'une quelconque des revendications 19 à 24, caractérisé en ce que l'accouplement de ressorts axial présente un deuxième ressort hélicoïdal de pression (183), qui est disposé entre l'élément de guidage (147) et l'élément intérieur du couvercle (114).
  26. Couvercle de fermeture selon l'une quelconque des revendications 23 à 25, caractérisé en ce que le ressort hélicoïdal de pression (122) sollicitant le corps de soupape (117) unique entoure le ou les ressorts de pression (183, 184) de l'accouplement de ressorts axial.
  27. Couvercle de fermeture selon au moins l'une quelconque des revendications 17 à 26, caractérisé en ce que l'insert d'accouplement mobile axialement (180) est relié en permanence de manière résistante à la rotation avec l'élément de préhension (112) de l'élément extérieur du couvercle (110) et peut se déplacer axialement par rapport à celui-ci, il et peut être relié de manière amovible à l'élément de fermeture (113) de l'élément extérieur de couvercle (110) par l'intermédiaire d'une insertion et d'un dégagement axial dans la direction périphérique.
  28. Couvercle de fermeture selon la revendication 27, caractérisé en ce que la possibilité de liaison amovible dans la direction périphérique est formée par une denture périphérique orientée axialement de l'élément de fermeture (113) et de l'insert d'accouplement (180).
EP01927773A 2000-03-31 2001-03-21 Bouchon de fermeture Expired - Lifetime EP1268993B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10015563 2000-03-31
DE2000115563 DE10015563A1 (de) 2000-03-31 2000-03-31 Verschlussdeckel
DE10034761A DE10034761A1 (de) 2000-03-31 2000-07-18 Verschlussdeckel
DE10034761 2000-07-18
PCT/EP2001/003232 WO2001075282A1 (fr) 2000-03-31 2001-03-21 Bouchon de fermeture

Publications (2)

Publication Number Publication Date
EP1268993A1 EP1268993A1 (fr) 2003-01-02
EP1268993B1 true EP1268993B1 (fr) 2006-01-25

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EP01927773A Expired - Lifetime EP1268993B1 (fr) 2000-03-31 2001-03-21 Bouchon de fermeture

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Country Link
US (1) US7104415B2 (fr)
EP (1) EP1268993B1 (fr)
DE (2) DE10034761A1 (fr)
WO (1) WO2001075282A1 (fr)

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DE20211232U1 (de) * 2002-07-18 2003-11-20 Reutter, Heinrich, 71336 Waiblingen Verschlussdeckel
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Also Published As

Publication number Publication date
US7104415B2 (en) 2006-09-12
WO2001075282A1 (fr) 2001-10-11
DE10034761A1 (de) 2002-01-31
US20040056034A1 (en) 2004-03-25
DE50108797D1 (de) 2006-04-13
EP1268993A1 (fr) 2003-01-02

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