EP1253609A1 - Hermetische Betätigungsvorrichtung für elektrische Geräte - Google Patents

Hermetische Betätigungsvorrichtung für elektrische Geräte Download PDF

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Publication number
EP1253609A1
EP1253609A1 EP02290885A EP02290885A EP1253609A1 EP 1253609 A1 EP1253609 A1 EP 1253609A1 EP 02290885 A EP02290885 A EP 02290885A EP 02290885 A EP02290885 A EP 02290885A EP 1253609 A1 EP1253609 A1 EP 1253609A1
Authority
EP
European Patent Office
Prior art keywords
sealing membrane
control device
operating button
groove
opening
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
EP02290885A
Other languages
English (en)
French (fr)
Other versions
EP1253609B1 (de
Inventor
Eric Dumas
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.)
Legrand SNC
Legrand France SA
Original Assignee
Legrand SA
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 Legrand SA filed Critical Legrand SA
Publication of EP1253609A1 publication Critical patent/EP1253609A1/de
Application granted granted Critical
Publication of EP1253609B1 publication Critical patent/EP1253609B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H01H23/04—Cases; Covers
    • H01H23/06—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H01H23/065—Casings hermetically closed by a diaphragm through which passes an actuating member

Definitions

  • the present invention relates generally to the devices for control of electrical equipment and, more particularly, those used works in premises where the atmosphere is strongly aggressive.
  • control devices for electrical equipment of this type must be watertight, i.e. their control mechanisms must be fully protected against dust, water splashes similar to packets of sea.
  • a device control device electric waterproof which includes a box internally containing a control mechanism and closed on the front by a cover plate which accommodates a touch of maneuver carrying, on its interior face, two actuating plungers of said mechanism.
  • control mechanism The tightness of the control mechanism is ensured by a flexible waterproofing membrane which is clamped between the cover plate and the mechanism itself, for example by a latching device.
  • the plungers of the control button act directly on the sealing membrane for actuating an operating finger of the control in order to bring it into one or the other of the opening and closing of the movable electrical contacts of this mechanism.
  • the divers of this one maintain under maximum stress the membrane sealing on which they act, which is also found in stress on part of the operating finger of the control mechanism, which is unfavorable to the sustainability of the quality of this membrane.
  • the plungers of the operating button as well as the membrane sealants can be contaminated with dust which abrasion of the latter.
  • Document JP 09245551 also discloses a device for sealed electrical switchgear with cover sealing in flexible rubber-like material which completely covers the deflection area of the operating button of this device. The touch of maneuver is then operated by the user from the outer surface of this sealing cover.
  • this sealing cover is in permanence subject to environmental phenomena which can cause premature aging of the latter causing loss of mechanical characteristics.
  • this sealing cover may deteriorate until it tears. Thus, the tightness of the control device is no longer properly insured.
  • a device for waterproof electrical switchgear control which includes a housing internally a control mechanism for electrical equipment, closed on the front by an embellished plate, a touch of maneuver available of the user, pivotally mounted on the cover plate and bearing on its face inside a plunger for actuation of the control mechanism, as well a sealing membrane interposed between the operating button and the control mechanism located inside the housing, this membrane seal comprising a central opening through which the plunger passes actuation of the control mechanism.
  • the present invention provides a new device control device waterproof electrical device according to claim 1.
  • a control device 100 waterproof electrical equipment, such as a switch or a switch electric waterproof, which includes a housing 101 internally receiving a control mechanism 102 for electrical equipment.
  • This housing 101 here generally has a parallelepiped shape square and has, in one of its side walls, an opening introduction of the power supply cable from the network.
  • control mechanism 102 of which only the contours of its body insulation are shown in phantom, not strictly speaking of the invention and will not be described here in detail.
  • this control mechanism 102 comprises, inside an insulating body, electrical connection terminals and a movable electrical contacts between two positions, a position in which they are in contact with fixed electrical contacts, corresponding to the closed state of the control device, and another position in which they are moved away from these fixed electrical contacts, corresponding to the open state of the ordered.
  • the control mechanism here comprises a light diode 131 which allows viewing the closed state of the control device through a window 130 of the operating key 104.
  • the housing 101 made of rigid plastic material is closed on the front by a cover plate 103.
  • the cover plate 103 has a wall peripheral mounted on the peripheral edge of the housing 101. Between the edge peripheral of the housing 101 and the edge of the peripheral wall of the plate hubcap 103, a seal 120 is provided which is engaged in a groove 103B running along the lower edge of said peripheral wall of the cover plate 103.
  • This cover plate 103 further comprises a bottom 106, called commonly bowl, which closes the front opening of the housing 101.
  • the control device 100 includes an operating button 104 to the disposition of the user, mobile for actuating said control mechanism 102.
  • the operating button 104 is pivotally mounted on the bottom 106 of the cover plate 103.
  • the bottom 106 of the cover plate 103 has two pivot points 103A for the operating button 104 formed by bosses which cooperate with notches provided at the end tabs 104A carried by the internal face 104B of the operating button 104 (see figure 2).
  • the operating button 104 carries, on its face internal 104B, substantially at its center, a plunger 105 which extends to inside the housing 101 for actuating the control mechanism 102 and, more particularly, for tilting movement of the movable contacts between their two aforementioned positions.
  • the bottom 106 of the cover plate 103 has a central opening 107 freely traversed by the plunger 105 (see FIGS. 1 to 4).
  • control device 100 of electrical equipment includes a membrane seal 110 interposed between the operating button 104 and said control mechanism 102.
  • this sealing membrane 110 formed in one piece from molding of a flexible thermoplastic material, has a generally oval shape and wears, at its periphery, a skirt 112 which establishes contact along a line closed with said bottom 106 of the cover plate 103.
  • the bottom 106 of the cover plate 103 carries a groove 108, here an oval-shaped groove running around the central opening 107 of said bottom 106 of the cover plate 103, which forms a seat for receiving said skirt 112.
  • the groove 108 is defined between two cylindrical walls 108 ′ and 108 ", the skirt 112 of the waterproofing membrane 110 applying elastically against the internal face 108 "A of the internal cylindrical wall 108" of said groove 108.
  • the waterproofing membrane 110 when put in placed on the bottom 106 of the cover plate 103, the latter is stretched so that its skirt 112 is applied elastically against the internal face 108 "A of the inner cylindrical wall 108 "of the groove 108.
  • this waterproofing membrane 110 is advantageous because it allows easier automatic assembly of this membrane on the bottom of the cover plate because there is no right angle to get around.
  • This sealing membrane 110 comprises an opening 110A which, when this sealing membrane 110 is placed on the bottom 106 of the cover plate 103, comes opposite the central opening 107 provided in said bottom 106 of the cover plate 103.
  • This opening 110A located in the center of the sealing membrane 110 is freely traversed by the plunger 105 so that the latter has access to inside the housing 101 of the control device 100, without interfering with said sealing membrane.
  • the waterproofing membrane 110 has a flexible lip 111 which surrounds opening 110A.
  • this flexible lip 111 is located on the edge of the opening 110A of said sealing membrane 110.
  • This flexible lip 111 establishes contact with said operating button. 104 along a closed line and is advantageously able to deform elastically when switching the operating button 104 to follow this tilt and maintain contact with it along a line closed.
  • said flexible lip 111 generally deforms in bending to follow the tilting movement of the operating button 104 and it thus establishes a dynamic tight connection with this key of operation 104 by forming another pivot point thereof.
  • the operating button 104 carries, on its internal face 104B, a groove 115 which surrounds the plunger 105 and which forms a seat which pinchly receives the flexible lip 111.
  • the groove 115 has a conical section which widens towards its mouth, and said flexible lip 111 has a conical section complementary to that of groove 115.
  • the groove 115 carried by the internal face 104B of the operating button 104 is delimited by two cylindrical walls 116, 117, an internal wall 116 which extends inside the opening 110A of the sealing membrane 110 and an outer wall 117 shorter than said inner wall 116.
  • the waterproofing membrane 110 comprises, at the base of the flexible lip 111, a bead 113 which projects outwards, and inwards into the section of said opening 110A.
  • the flexible lip 111 comprising at its base the bead 113 is therefore forcibly engaged in the groove to ensure sealing at the opening 110A of said sealing membrane 110.
  • the flexible lip 111 of the sealing membrane 110 is truncated at its free end so as to form an annular ring 114.
  • the lip flexible 111 carried by the waterproofing membrane 110 generally deforms in flexion to remain in contact, by its bead 113 situated at its base, with the cylindrical walls 116, 117 of the groove 115 carried by said touch maneuver 104, and provide perfect dynamic sealing at this level. This sealing does not hinder the tilting movement of the plunger 105 which freely crosses the opening 110A of the waterproofing membrane 110 without interfere with it.

Landscapes

  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Valve Device For Special Equipments (AREA)
  • Electrophonic Musical Instruments (AREA)
EP02290885A 2001-04-23 2002-04-09 Hermetische Betätigungsvorrichtung für elektrische Geräte Expired - Lifetime EP1253609B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0105443 2001-04-23
FR0105443A FR2823905B1 (fr) 2001-04-23 2001-04-23 Dispositif de commande d'appareillages electriques etanche

Publications (2)

Publication Number Publication Date
EP1253609A1 true EP1253609A1 (de) 2002-10-30
EP1253609B1 EP1253609B1 (de) 2010-03-17

Family

ID=8862586

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02290885A Expired - Lifetime EP1253609B1 (de) 2001-04-23 2002-04-09 Hermetische Betätigungsvorrichtung für elektrische Geräte

Country Status (5)

Country Link
EP (1) EP1253609B1 (de)
AT (1) ATE461520T1 (de)
DE (1) DE60235669D1 (de)
ES (1) ES2342363T3 (de)
FR (1) FR2823905B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102737873A (zh) * 2012-07-09 2012-10-17 张家港华捷电子有限公司 开关
EP2632004A1 (de) 2012-02-22 2013-08-28 Berker GmbH & Co. KG Elektrogerät, das mit einem Einsatz zur Befestigung des Deckels ausgestattet ist
EP2632002A1 (de) 2012-02-22 2013-08-28 Berker GmbH & Co. KG Dichtes elektrisches Gerät mit Pufferelement
CN111776080A (zh) * 2015-02-12 2020-10-16 美国iRobot公司 用于地板横越机器人的液体管理
EP3840002A1 (de) 2019-12-20 2021-06-23 Legrand France Zierblende und elektrischer schalter, der eine solche zierblende umfasst

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB329447A (en) * 1929-03-27 1930-05-22 Lucas Barrett Improvements in and connected with electric switches
DE1665752A1 (de) * 1966-09-23 1971-01-21 Siemens Ag Gekapselter abgedichteter Installationsschalter
US4370528A (en) * 1981-03-16 1983-01-25 Eaton Corporation Miniature sealed toggle switch
DE29616958U1 (de) * 1996-09-28 1996-11-14 Giersiepen Gira Gmbh Dichtungsanordnung für spritzwassergeschützte Elektro-Installationsgeräte
EP0878814A1 (de) * 1997-05-12 1998-11-18 SI.BE.R. S.p.A. Staub- und Spritzwassergeschützte Schalteinheit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB329447A (en) * 1929-03-27 1930-05-22 Lucas Barrett Improvements in and connected with electric switches
DE1665752A1 (de) * 1966-09-23 1971-01-21 Siemens Ag Gekapselter abgedichteter Installationsschalter
US4370528A (en) * 1981-03-16 1983-01-25 Eaton Corporation Miniature sealed toggle switch
DE29616958U1 (de) * 1996-09-28 1996-11-14 Giersiepen Gira Gmbh Dichtungsanordnung für spritzwassergeschützte Elektro-Installationsgeräte
EP0878814A1 (de) * 1997-05-12 1998-11-18 SI.BE.R. S.p.A. Staub- und Spritzwassergeschützte Schalteinheit

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2632004A1 (de) 2012-02-22 2013-08-28 Berker GmbH & Co. KG Elektrogerät, das mit einem Einsatz zur Befestigung des Deckels ausgestattet ist
EP2632002A1 (de) 2012-02-22 2013-08-28 Berker GmbH & Co. KG Dichtes elektrisches Gerät mit Pufferelement
CN102737873A (zh) * 2012-07-09 2012-10-17 张家港华捷电子有限公司 开关
CN102737873B (zh) * 2012-07-09 2014-10-15 张家港华捷电子有限公司 开关
CN111776080A (zh) * 2015-02-12 2020-10-16 美国iRobot公司 用于地板横越机器人的液体管理
EP3840002A1 (de) 2019-12-20 2021-06-23 Legrand France Zierblende und elektrischer schalter, der eine solche zierblende umfasst
FR3105563A1 (fr) * 2019-12-20 2021-06-25 Legrand France Enjoliveur et commutateur électrique comprenant un tel enjoliveur

Also Published As

Publication number Publication date
ES2342363T3 (es) 2010-07-06
FR2823905A1 (fr) 2002-10-25
DE60235669D1 (de) 2010-04-29
FR2823905B1 (fr) 2004-01-30
ATE461520T1 (de) 2010-04-15
EP1253609B1 (de) 2010-03-17

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