EP1809930A1 - Fermeture de surete pour des recipients sous pression de la vapeur destines a des appareils menagers - Google Patents

Fermeture de surete pour des recipients sous pression de la vapeur destines a des appareils menagers

Info

Publication number
EP1809930A1
EP1809930A1 EP05807325A EP05807325A EP1809930A1 EP 1809930 A1 EP1809930 A1 EP 1809930A1 EP 05807325 A EP05807325 A EP 05807325A EP 05807325 A EP05807325 A EP 05807325A EP 1809930 A1 EP1809930 A1 EP 1809930A1
Authority
EP
European Patent Office
Prior art keywords
safety closure
inner part
container
valve
closure according
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.)
Withdrawn
Application number
EP05807325A
Other languages
German (de)
English (en)
Inventor
René Körber
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.)
Reutter GmbH
Original Assignee
Reutter Metallwarenfabrik 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
Priority claimed from DE200420017790 external-priority patent/DE202004017790U1/de
Priority claimed from DE200520004798 external-priority patent/DE202005004798U1/de
Application filed by Reutter Metallwarenfabrik GmbH filed Critical Reutter Metallwarenfabrik GmbH
Priority to EP08001770A priority Critical patent/EP1942292A1/fr
Publication of EP1809930A1 publication Critical patent/EP1809930A1/fr
Withdrawn legal-status Critical Current

Links

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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J13/00—Covers or similar closure members for pressure vessels in general
    • F16J13/24—Covers or similar closure members for pressure vessels in general with safety devices, e.g. to prevent opening prior to pressure release
    • 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 safety closure for vapor pressure container for household appliances, such as steam irons, steam cleaners and the like, according to the preamble of claim 1 and that of claim 10th
  • Object of the present invention is to provide a safety closure for pressurized containers for household appliances of the type mentioned, whose pressurized components are made more stable and thus work consistently and its drive at the same time serves to protect against an inadmissibly high pressure.
  • the coupling member is permanently connected peripherally with the outer part or the handle cap, so that the release of the coupling connection between the outer part and the inner part takes place exclusively between the coupling member and inner part.
  • a preferred embodiment of the coupling connection results from the features of claim 17.
  • Safety seal for vapor pressure Container for household appliances in a non-pressurized rest position,
  • FIG. 2 shows a representation of the safety closure corresponding to FIG. 1, but in an activated position corresponding to the pending pressure;
  • FIG. 3 shows a representation corresponding to FIG
  • Safety closure for vapor-pressure containers for domestic appliances in non-pressurized rest position,
  • FIG. 5 shows a longitudinally sectioned illustration of the security closure twisted by a few degrees relative to the representation of FIG. 4, but in an activated position corresponding to the pending pressure
  • FIG. 6 shows a representation corresponding to FIG
  • safety closure 10 or 110 is intended for use under steam pressure containers for household appliances, such as steam iron, steam cleaners and the like.
  • the safety closure 10 according to FIGS. 1 to 3 has an outer part in the form of a handle cap 11, preferably made of plastic, as well as an inner part 12, which preferably can be screwed to a container (not shown). Between the outer part or handle cap 11 and inner part 12, a coupling connection 13 is provided, which dissolves or creates a rotationally fixed connection between the handle cap 11 and inner part 12, depending on whether or not the container is in pressure.
  • a drive 14 operatively connected to the interior of the container for a coupling member 15 of the coupling connection 13 is formed by a valve carrier 16 which is axially movable in the inner part 12 between two end positions.
  • the safety closure 10 also has a pressure relief valve 17 which is held within the valve carrier 16 and is axially movable both with and as well as relative thereto.
  • the here metallic inner part 12 which is also referred to below as a valve housing, has a shaft 21, which is provided with an external thread, not shown, for screwing fastening in a filling opening of a pressure vessel, not shown.
  • the shaft 21 is adjoined by an outer peripheral flange 22, which is rotatably but axially fixed in the outer part 11 and between which and the shaft 21 in an annular groove 23, an O-ring 24 is held, which serves to seal the valve housing 12 relative to the container opening.
  • the radially stepped peripheral flange 22 is used for hanging mounting in the open bottom of the handle cap 11, which is provided for this purpose with a larger diameter portion of the peripheral flange 22 engages under retaining ring 25.
  • the peripheral flange 22 is arranged distributed over the circumference (shown in phantom) axial holes 26th provided, which are arranged on a radius which is adjacent to the inner circumference of the holder ring 25.
  • the shaft 21 has below the O-ring 24 an inner annular groove 27 into which a locking ring 28 is inserted, for example in the form of a Seeger ring.
  • a cylindrical extension 29 which is covered by a provided with a concentric axial bore 30 bottom 31.
  • the cylindrical projection 29 is provided on the outer peripheral side with evenly distributed over the circumference arranged projections or serrations 32 which project radially and extend over a relatively short axial length and which are part of the detachable coupling connection 13.
  • the hollow valve carrier 16 has a lower diameter larger part 36 and an upper smaller diameter ' part 37 according to the figures 1 to 3. This results between the two parts 35 and 37, both an outer shoulder 38, and an inner shoulder 39.
  • the outer diameter of the outer diameter larger part 36 corresponds to the inner diameter of the cylindrical projection 29 of the valve housing 12 and the outer diameter of the outer diameter smaller part 37 is slightly smaller than the inner diameter of the bore opening 30 in the bottom 31 of the valve housing 12. This allows the valve carrier 16 between a rest position shown in Figure 1, in the the lower annular end rests against the securing ring 28, and axially move an active position shown in FIG.
  • valve carrier 16 has in the intermediate region between the two parts 36 and 37, a molded seal 40 having a radially acting on the inner circumference of the valve housing 12 sealing lip and a stop shoulder of the valve housing 12 acting axially sealing ring part.
  • the valve carrier 16 is provided at its provided in the smaller diameter portion 37 orifice with an inner cone seat 41.
  • the coupling member 15 of the coupling connection 13 has the shape of a plastic here formed and standing in the installed position upside down basket.
  • the coupling member or the basket 15 has an unbroken radially outer cylindrical shell 46 and provided with a concentric bore recess 47 bottom 48.
  • a return spring 49 is supported at the bottom 48.
  • the other end is supported on the inside of the handle cap 11.
  • the return compression spring 49 presses the free annular surface 50 of the shell 46 against the top of the peripheral flange 22 of the valve housing 12.
  • the shell 46 has in a region near its annular surface 50 radially inwardly directed and extending over a certain axial region projections or serrations 51st which form part of the coupling connection 13 and in the rest position shown in Figure 1 with corresponding axial grooves or grooves of the valve housing 12 are engaged and thus switch a releasable rotationally fixed connection between the coupling member 15 and the valve housing 12.
  • a permanent non-rotatable connection between handle cap 11 and valve housing 12 results from a not shown in detail axially movable tooth connection 57th
  • the coupling member 15 and the basket has an actuating ring 52 which is arranged in the rest position of Figure 1 at a small axial distance from the opening ring surface of the smaller diameter portion 37 of the valve carrier 16 is and has a corresponding outer diameter and is located partially within the bore recess 30 of the bottom 31 of the valve housing 12.
  • the actuating ring 52 is attached via axially extending webs 53 at the bottom 48 of the basket hanging.
  • the handle cap 11 made of plastic is hood-shaped, provided with gripping grooves 56 and has at its stepped open and provided with the retaining ring 25 end of a Ringnutfact for the peripheral flange 22 of the valve housing 12 for an axially play with compound and a circumferential rotation.
  • the pressure relief valve 17 is provided, which projects beyond the valve carrier 16 at both ends.
  • the pressure relief valve 17 has a valve disk 61 whose outer diameter is greater than a valve stem 62, wherein on the underside of the valve disk 61 and the valve stem 62 surrounding an O-ring 63 is provided, the rest position shown in Figure 1, a seal between the pressure relief valve 17th and the valve carrier 16 allows.
  • a pressure-pressure spring 64 is responsible, which lays at one end against a spring-holding plate 65 which is screwed into the free end of the valve stem 62.
  • the other end of the compression spring 64 is supported on the inner shoulder 39 of the valve carrier 16.
  • the function of the safety closure 10 screwed onto a container is the following:
  • valve carrier 16 together with the overpressure valve 17, against the action of the return compression spring 49, axially towards the handle cap 11 in the shifted active position shown in Figure 2.
  • This axial movement corresponds to the axial movement to release the coupling connection 13, i. the serrations 32 and grooves 51 from the valve housing 12 and the coupling member 15 to disengage, so that the handle cap 11 against the valve housing 12 turns empty and unscrewing the safety closure 10 from the container in this pressure state is not possible.
  • the movement of the coupling member 15 is effected in that the pressurized valve carrier 16 axially moves the actuating ring 52 and thus the basket.
  • the restoring compression spring 49 can only move the coupling member 15 back into the rest position enabling a coupling connection when outside or normal pressure prevails in the container again, the water has cooled down again under vapor pressure.
  • the overpressure compression spring 64 presses the overpressure valve 17 back into its active position according to FIG. 2 sealing with the valve carrier 16.
  • the safety closure 110 has an outer part in the form of a grip cap 111, preferably made of plastic, as well as an inner part 112 which can preferably be screwed to a container (not shown). Between the outer part or grip cap 111 and inner part 112, a coupling connection 113 is provided which, depending on whether in the container pressure is present or not a rotationally fixed connection between the handle cap 111 and inner part 112 dissolves or creates.
  • a drive in operative connection with the interior of the container for a coupling member 115 of the coupling connection 113 is formed by a membrane arrangement 116 which is axially movable in the inner part 112 between two end positions.
  • the safety closure 110 also has a pressure relief valve 117, which is also held within the inner part 112 and combined with the membrane assembly 116.
  • the formed here of plastic inner part 112 which is also referred to below as Ventilgehause, has a provided with an external thread, not shown shaft 121 for screwing attaching in a Einfullo réelle a pressure vessel, not shown.
  • the shaft 121 is followed by a diameter-larger slotted cylinder portion 122, between which and the shaft 121 in an annular groove 123, an O-ring 124 is held, which serves to seal the Ventilgehauses 112 against Behaltero réelle over the Zylmderteil 122 of the inner part 112th is a hood-shaped connection part
  • connection part 126 which is a fixed part of the coupling connection 113, has inside the Zylmderteils 122 radially inwardly and axially downwardly from its bottom
  • the connecting part 126 also has a ümfangsflansch 131, which serves for the hanging mounting of the inner part 112 in the open bottom of the handle cap 111.
  • the grip cap 111 is provided with a retaining ring 134 engaging under the circumference of the flange 131.
  • the valve housing 112 has, within its projecting into the container, not shown shank 121 an inner annular sealing surface 136 which surrounds an opening 137 to the container.
  • annular sealing surface 136 On the annular sealing surface 136, the radially outer edge 138 of a membrane 139 of the membrane assembly 116 is printed in a resting or active position by an overpressure spring 141, which is supported on the webs 128 of the connecting part 126 at the other end.
  • the membrane assembly 116 has a membrane plunger 147, which is formed in two parts. Between an inner T-shaped part 148 and a latchable outer hollow T-shaped part 150, the membrane 139 is clamped at its area surrounding a central opening. The membrane 139 is formed wave-shaped between its radially inner edge and its radially outer edge in order to perform an axial movement, in which the diaphragm plunger 147 is guided within the guide 143 of the valve plate 144.
  • the movable coupling member 115 of the coupling connection 113 which is formed here from plastic, has a hood part 151 with a centrally drawn inwardly hollow, provided with a bottom 152 cylinder 153. While the larger diameter hood part 151 extends around and over the connecting part 126 extends In the idle state according to Figure 4, the axially movable coupling member 115 by a compression spring 149, on the one hand on the ring bottom 154 of the hood part 151 and on the other hand in the handle cap 111th supported, pressed with its cylinder bottom 152 on the diaphragm plunger 147 and with its annular end face on the ümfangsflansch 131 of the connecting part 126.
  • the handle cap 111 made of plastic is hood-shaped and provided with gripping grooves 161; it has at its stepped open and connected to the connecting part 126 end an annular groove for the peripheral flange 131 of the connecting part 126 for an axial play with a game connection and a circumferential rotation.
  • the function of the safety closure 110 screwed onto a container is the following:
  • the container In the rest position of the diaphragm assembly 116 shown in Figure 4, the container is depressurized, so that a rotationally fixed coupling connection 113 between the handle cap 111 and the valve housing 112 via the connection part 126, so that the safety closure 110 are screwed onto the container or unscrewed from this can. If a pressure builds up in the container, which means that the water in the container has at least partially reacted with steam, the membrane 139 of the membrane assembly 116 is moved axially upwards relative to the overpressure spring 141 until an annular flange of the hollow T-piece 150 abuts against a shoulder 145 of the valve plate 44.
  • the membrane plunger 147 which likewise moves with it, presses on the cylinder part 153 of the coupling member 115, which likewise moves upward against the action of the compression spring 149 (FIG. 5).
  • the coupling member 115 is moved to its active position, which means that the Clutch connection 113 solved, ie, the holes and pins 157 of connector 126 and coupling member 115 are disengaged, so that the handle cap 111 against the valve housing 112 turns empty and unscrewing the safety seal 110 from the container in this pressure state is not possible.
  • the restoring pressure spring 149 can only move the coupling member 115 back into the rest position enabling a coupling connection when external or normal pressure prevails in the container, ie the water has cooled down again.
  • valve disk 144 acting as a pressure relief valve is counteracted Effect of the pressure spring 141 moves axially. This is done together with the membrane assembly 116, which is already pressed against the valve plate 144 ( Figure 6). This axial movement of the relief valve 117 or 144 together with the diaphragm assembly 116 results in disengagement of the seal connection at the annular sealing surface 136 of the inner member 112 so that a vent path between the interior of the container and the valve housing 112 and the external environment opens.
  • the overpressure compression spring 141 presses the pressure relief valve 117 or 144, respectively again in its via the membrane assembly 116 sealing active position according to Figure 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Safety Valves (AREA)

Abstract

L'invention concerne une fermeture de sûreté (10) pour des récipients sous pression de la vapeur destinés à des appareils ménagers, tels que des fers à repasser à vapeur, les nettoyeurs à vapeur, et analogues. Ladite fermeture de sûreté comprend une partie interne (12) qui peut être vissée sur un orifice de remplissage du récipient, une partie externe (11) se présentant sous la forme d'un bouchon de préhension. Un élément de couplage (15) est placé entre la partie interne (12) et la partie externe (11) et peut être déplacé axialement, sous l'effet d'un ressort (49), par un dispositif de commande commandé par la pression du récipient interne, de sorte que la partie extérieure (11) et la partie interne (12) sont interconnectées de manière fixe, de façon à pouvoir tourner, lorsque le récipient n'est pas sous pression, ladite connexion étant neutralisée, lorsque le récipient est sous pression. L'objectif de l'invention est de produire une fermeture de sûreté (10), dont les composants exposés à la pression sont plus solides et fonctionnent de manière plus fiable, et dont le dispositif de commande (14) est utilisé, dans le même temps, comme une protection contre un excès de pression trop important et inadmissible. A cet effet, le dispositif de commande (14) pour l'élément de couplage (15) est configuré par un support de vanne (16) qui est mobile axialement, à l'intérieur de la partie interne (12) et qui peut être placé sur l'élément de couplage (15) contre l'effet axial d'un ressort (49).
EP05807325A 2004-11-09 2005-11-02 Fermeture de surete pour des recipients sous pression de la vapeur destines a des appareils menagers Withdrawn EP1809930A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08001770A EP1942292A1 (fr) 2004-11-09 2005-11-02 Fermeture de sécurité pour récipients à pression vapeur d'appareils ménagers

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE200420017790 DE202004017790U1 (de) 2004-11-09 2004-11-09 Sicherheitsverschluss für unter Dampfdruck stehende Behälter von Haushaltsgeräten
DE200520004798 DE202005004798U1 (de) 2005-03-19 2005-03-19 Sicherheitsverschluss für unter Dampfdruck stehende Behälter von Hausgeräten
PCT/EP2005/011693 WO2006050845A1 (fr) 2004-11-09 2005-11-02 Fermeture de surete pour des recipients sous pression de la vapeur destines a des appareils menagers

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP08001770A Division EP1942292A1 (fr) 2004-11-09 2005-11-02 Fermeture de sécurité pour récipients à pression vapeur d'appareils ménagers

Publications (1)

Publication Number Publication Date
EP1809930A1 true EP1809930A1 (fr) 2007-07-25

Family

ID=36061473

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08001770A Withdrawn EP1942292A1 (fr) 2004-11-09 2005-11-02 Fermeture de sécurité pour récipients à pression vapeur d'appareils ménagers
EP05807325A Withdrawn EP1809930A1 (fr) 2004-11-09 2005-11-02 Fermeture de surete pour des recipients sous pression de la vapeur destines a des appareils menagers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP08001770A Withdrawn EP1942292A1 (fr) 2004-11-09 2005-11-02 Fermeture de sécurité pour récipients à pression vapeur d'appareils ménagers

Country Status (3)

Country Link
US (1) US8087529B2 (fr)
EP (2) EP1942292A1 (fr)
WO (1) WO2006050845A1 (fr)

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US20080000906A1 (en) * 2006-06-30 2008-01-03 Tony Nicosia Flush-mount fuel cap with valve
CN101108100B (zh) * 2006-07-19 2011-09-07 乐金电子(天津)电器有限公司 吸尘器的吸头
CN101118029B (zh) * 2006-08-02 2011-04-20 厦门灿坤实业股份有限公司 一种可产生高压流体之容器的安全栓盖装置
US7470907B2 (en) 2006-12-15 2008-12-30 General Electric Company Cross-slit collimator method and system
US7339174B1 (en) 2007-02-09 2008-03-04 General Electric Company Combined slit/pinhole collimator method and system
US7375338B1 (en) 2007-03-07 2008-05-20 General Electric Company Swappable collimators method and system
CN101303090B (zh) * 2007-05-11 2011-11-23 厦门灿坤实业股份有限公司 一种蒸汽泄压阀
KR100929764B1 (ko) * 2007-09-01 2009-12-03 김용근 동파나 변형이 방지되는 냉각그릇
FR2965708B1 (fr) * 2010-10-06 2012-12-07 Seb Sa Appareil de cuisson sous pression a organe de commande debrayable
CN103210135B (zh) * 2010-10-20 2016-08-24 欧洲普罗运营有限责任公司 蒸汽挂烫机
CN106923660B (zh) * 2017-05-09 2018-09-25 浙江苏泊尔股份有限公司 一种压力锅限压阀及压力锅
US10753474B2 (en) * 2017-11-07 2020-08-25 Hexagon Technology As Blind boss fitting with redundant seal
CN112340226B (zh) * 2020-10-26 2022-02-22 滨州职业学院 一种防止儿童误食药品的安全药瓶

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Also Published As

Publication number Publication date
EP1942292A1 (fr) 2008-07-09
WO2006050845A1 (fr) 2006-05-18
US20080210690A1 (en) 2008-09-04
US8087529B2 (en) 2012-01-03

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