EP0324182A2 - Dispositif de commande ou d'indication avec un couvercle de protection pour les bornes - Google Patents

Dispositif de commande ou d'indication avec un couvercle de protection pour les bornes Download PDF

Info

Publication number
EP0324182A2
EP0324182A2 EP88121882A EP88121882A EP0324182A2 EP 0324182 A2 EP0324182 A2 EP 0324182A2 EP 88121882 A EP88121882 A EP 88121882A EP 88121882 A EP88121882 A EP 88121882A EP 0324182 A2 EP0324182 A2 EP 0324182A2
Authority
EP
European Patent Office
Prior art keywords
cover
housing
command
connection means
contact tabs
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
EP88121882A
Other languages
German (de)
English (en)
Other versions
EP0324182A3 (en
EP0324182B1 (fr
Inventor
Fritz Berger
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.)
Elektro-Apparatebau Olten AG
Original Assignee
Elektro-Apparatebau Olten AG
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 Elektro-Apparatebau Olten AG filed Critical Elektro-Apparatebau Olten AG
Priority to AT88121882T priority Critical patent/ATE85457T1/de
Publication of EP0324182A2 publication Critical patent/EP0324182A2/fr
Publication of EP0324182A3 publication Critical patent/EP0324182A3/de
Application granted granted Critical
Publication of EP0324182B1 publication Critical patent/EP0324182B1/fr
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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/0264—Protective covers for terminals

Definitions

  • the present invention relates to a command or signaling device according to the preamble of claim 1.
  • a command device of this type is described for example in DE-PS 587 373.
  • the cylindrical housing is provided with an external thread onto which the cover hood is screwed in the manner of a lock nut.
  • the conductors to be connected to the contact lugs are pushed through an opening in the cover hood separated from the housing and connected to the contact lugs. Then the cover is slipped over the ladder until it comes into contact with the housing and screwed onto it.
  • the present invention has as its object to eliminate the disadvantages mentioned on a device of the type mentioned.
  • the indicator light shown in FIGS. 1 and 2 has a translucent dome 1 in a front frame 2, to which a cylindrical housing 3 connects. This is provided for attachment to a mounting wall with an external thread 4 and a screwed nut, not shown, screwed thereon. At the end of the housing 3 facing away from the calotte 1, this is surmounted by two connecting contact tabs 5. The electrical conductors are connected to these (soldering, plug contact, etc.). In order to protect the terminal contact tabs 5 against contact after the conductors have been connected, a cover 6 is axially displaceable and captive in the housing 3. This has 5 openings 6 'in the extension of the terminal contact tabs.
  • the housing 3 there is also an axial guide 7 in which the cover 6 is guided axially displaceably with a guide pin 8.
  • the protective hood 6 is provided with two locking springs 9 with locking lugs 10, which limit the displacement of the cover 6 in one direction and thereby limit it hold captive in the housing 3.
  • the detent springs 10 engage in two recesses 11 next to the guide 7.
  • the cover 6 can be displaced between the basic position shown with solid lines on the one hand and the protective position shown with dash-dotted lines on the other hand.
  • the recesses 10 and 11 each open a bore 13 which serve to receive the locking lug 10.
  • the recesses 11 are provided in the displacement path of the locking lugs 10 with a wedge surface 12 which serves to press the locking lug 10 inwards when the cover 6 is pulled outwards.
  • the indicator light described is mounted with the cover 6 in the basic position (shown with solid lines). After connecting the connection conductors to the contact lugs 5, the cover 6 is pulled outward into the dash-dotted protective position to protect against contact with these connection points, for which purpose a comparatively small force is required.
  • the locking lugs 10 slide over the wedge surfaces 12 and bend the locking springs 9 inwards against the guide 7. After the wedge surfaces 12, the locking lugs 10 jump into the bores 13 during further extraction and fix the cover 6 in its protective position. Pressing in the cover 6 is no longer possible without damaging it. If one wanted to push the cover 6 back into the basic position, the detent springs 9 would have to be compressed with a corresponding tool and the engagement of the detents 10 in the bores 13 would have to be released.
  • FIG. 3 shows the lower part of a switch housing 14 of a pushbutton switch, in which the switch button is mounted, which actuates the switch contacts accommodated in the switch element 15 attached to it by means not shown. These are connected in an electrically conductive manner to the terminal contact tabs 16 (FIG. 5).
  • the switching element 15 has a housing consisting of upper housing part 17 and lower housing part 18, which are firmly connected to one another. The lower end of the switch housing 14 is detachably connected to the switching element 15 or the upper housing part 17. Analogously to the example according to FIGS. 1 and 2, the switching element 15 is provided with a covering hood 19, which has the purpose of protecting the connection contact tabs 16 against unwanted contact after the lines have been connected. As can be seen from FIGS.
  • this protective hood 19 can assume three positions: The first position (item 1 in FIG. 4 on the left and FIG. 5) is the actual basic position, in which the bottom 20 of the cover 19 is close to the switching element 15 but at a distance from it. In this position, the connection contact tabs 16 protrude through the openings 23 in the base 20 and are accessible and free for connecting the conductors.
  • the cover 19 In the second position (items 2, 3 and 5), the cover 19 is pulled out over the connection contact tabs 16, so that it protects them against undesired contact. In this second position, the cover 19 is at a greater distance from the switching element 15 than in the first position.
  • spring arms 26 arranged axially symmetrically on the cover hood 19, which engage behind a shoulder 28 on the outside of the switching element 15 with a claw 27, limit the pull-out of the protective hood 19 and determine its second position (item 2).
  • the tightening of the wedge flanks on the locking lug 30 determines (in addition to the elastic behavior of the spring arms 29) the force which must be exerted on the cover 19 so that it can be pushed back from the second position into the first.
  • the spring arms 29 thus prevent an unintentional return of the protective hood 19 from the second to the first position.
  • the four locking lugs 30 of the spring arms 29 overlap a shoulder 32 and thus determine the force required for pulling out the protective hood 19. An unintentional removal of the cover 19 is prevented; in other words, the spring arms 29 hold the cover 19 in the direction of the second position in a more limited manner Force firmly in the first position. In the opposite direction (ie in the direction of the third position), the covering hood 19 is held with limited force by the unlocking slide 21 resting against the lower end of the switch housing 14.
  • the spring arms 26 with the claw 27 in connection with the shoulder 28 limit the extraction of the protective hood 19 (and hold captively on the switching element 15), whereas the spring arms 29 with their locking lugs 30 (or their wedge flank inclination) and the interaction with the shoulders 31 and 32 determine the magnitude of the force with which the cover 19 can be brought from the first to the second position and from this back to the first position.
  • two adjacent spring arms 26, 29 can each be combined to form a single spring arm 33, which has both the claw 28 and the claw 28 on its side facing the switching element 15 is provided with the latch 30. In this way, the force with which the cover 19 is held in the 1st and 2nd position or for removal or tearing off from the switching element 15 can be increased.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Casings For Electric Apparatus (AREA)
  • Telephone Set Structure (AREA)
EP88121882A 1988-01-14 1988-12-30 Dispositif de commande ou d'indication avec un couvercle de protection pour les bornes Expired - Lifetime EP0324182B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88121882T ATE85457T1 (de) 1988-01-14 1988-12-30 Befehls- oder meldegeraet mit abdeckhaube fuer die anschlusskontaktfahnen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH110/88 1988-01-14
CH110/88A CH676529A5 (fr) 1988-01-14 1988-01-14

Publications (3)

Publication Number Publication Date
EP0324182A2 true EP0324182A2 (fr) 1989-07-19
EP0324182A3 EP0324182A3 (en) 1990-09-12
EP0324182B1 EP0324182B1 (fr) 1993-02-03

Family

ID=4179495

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88121882A Expired - Lifetime EP0324182B1 (fr) 1988-01-14 1988-12-30 Dispositif de commande ou d'indication avec un couvercle de protection pour les bornes

Country Status (6)

Country Link
US (1) US4897765A (fr)
EP (1) EP0324182B1 (fr)
JP (1) JP2843588B2 (fr)
AT (1) ATE85457T1 (fr)
CH (1) CH676529A5 (fr)
DE (1) DE3878211D1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201207454Y (zh) * 2008-04-21 2009-03-11 富士康(昆山)电脑接插件有限公司 电连接器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE263761C (fr) *
DE587373C (de) * 1931-04-18 1933-11-04 Eberhard Koch Druckknopfschalter zur Betaetigung mehrerer elektrischer Stromkreise
US3754205A (en) * 1971-05-19 1973-08-21 Lenmark Enterprises Inc Protected connector plug
BE795208A (fr) * 1972-02-11 1973-05-29 Burndy Electra Spa Connecteur propre a etablir automatiquement des connexions electriques entre des vehicules
DE7501663U (de) * 1975-01-21 1975-05-28 Breilmann A Mobilnetzschrank
DE2637617C3 (de) * 1976-08-20 1979-03-15 Siemens Ag, 1000 Berlin Und 8000 Muenchen Abdeckeinrichtung für Stecker- und/ oder Buchsenleisten
US4340267A (en) * 1980-06-13 1982-07-20 Tokuji Nukaga Safety electrical plug
CH650618A5 (de) * 1980-07-08 1985-07-31 Olten Ag Elektro Apparatebau Drucktaste mit impuls- oder rastfunktion.
DE8332474U1 (de) * 1983-11-11 1984-02-23 Rafi Gmbh & Co Elektrotechnische Spezialfabrik, 7981 Berg Schutzkappe zum Abdecken von Anschlußklemmen
CH670169A5 (fr) * 1985-10-28 1989-05-12 Olten Ag Elektro Apparatebau

Also Published As

Publication number Publication date
DE3878211D1 (de) 1993-03-18
EP0324182A3 (en) 1990-09-12
JP2843588B2 (ja) 1999-01-06
CH676529A5 (fr) 1991-01-31
ATE85457T1 (de) 1993-02-15
EP0324182B1 (fr) 1993-02-03
JPH01302618A (ja) 1989-12-06
US4897765A (en) 1990-01-30

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