EP0027244A1 - Douille de lampe avec moyens de sécurité pour empêcher l'accès aux fils sous tension - Google Patents

Douille de lampe avec moyens de sécurité pour empêcher l'accès aux fils sous tension Download PDF

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Publication number
EP0027244A1
EP0027244A1 EP80106075A EP80106075A EP0027244A1 EP 0027244 A1 EP0027244 A1 EP 0027244A1 EP 80106075 A EP80106075 A EP 80106075A EP 80106075 A EP80106075 A EP 80106075A EP 0027244 A1 EP0027244 A1 EP 0027244A1
Authority
EP
European Patent Office
Prior art keywords
contact
contact part
movable
fixed
arrangement
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
EP80106075A
Other languages
German (de)
English (en)
Other versions
EP0027244B1 (fr
Inventor
Peter Scheller
Hans J. Schmitz
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.)
Neuenschwander and Co AG
Original Assignee
Neuenschwander and Co 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 Neuenschwander and Co AG filed Critical Neuenschwander and Co AG
Priority to AT80106075T priority Critical patent/ATE11716T1/de
Publication of EP0027244A1 publication Critical patent/EP0027244A1/fr
Application granted granted Critical
Publication of EP0027244B1 publication Critical patent/EP0027244B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05—Two-pole devices
    • H01R33/22—Two-pole devices for screw type base, e.g. for lamp
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/945—Holders with built-in electrical component
    • H01R33/96—Holders with built-in electrical component with switch operated by engagement or disengagement of coupling
    • H01R33/962—Holders with built-in electrical component with switch operated by engagement or disengagement of coupling for screw type coupling devices

Definitions

  • the invention relates to an electrical connection device with current leads and contact arrangements.
  • the lamp sockets have two contacts which are designed as side contacts and as spring-loaded center contacts for sockets for light bulbs with Edison thread, and as spring contacts lying next to one another for sockets for lamps with a bayonet base.
  • the sockets have two sockets into which the plug pins of a plug can be inserted through holes in a cover.
  • connection devices have the disadvantage that the contacts or sockets are connected directly to the connection elements for the current leads, so that the contacts are freely accessible when the lamp or. the plug is removed.
  • sockets have the disadvantage that they are very susceptible to faults due to the mechanical structure of the cover, i.e. the cover is no longer moved, so that the sockets are no longer released or are no longer covered.
  • the purpose of the invention is to remedy the disadvantages indicated.
  • the object is to create an electrical connection device in which the current flow between the power supply and the contact arrangement is interrupted by at least one isolating section when no electrical consumer is connected to the connection device.
  • the advantages of the present invention are essentially that, if the contacts are touched accidentally, there is no power supply and that the force required to close the isolating path is dimensioned in this way May be that the force applied directly to the contact by hand is not sufficient to close the separation path.
  • two switch contact arrangements with fixed contact parts and with movable contact parts can be provided, the external force being divided into two components and acting directly on the movable contact part.
  • the components can each be parallel or at right angles to each other.
  • the switch contact arrangements can have three contact parts, so that two isolating paths are created in order to lock the switch contact arrangements electrically and mechanically against one another.
  • the components of the external force are directed in the opposite direction, so that current conduction can be prevented when the contacts touch.
  • a lamp holder for a light bulb with Edison thread which consists essentially of an upper part 1 with a threaded insert 2, a F lower part 3 with a fastening member 4 and a contact carrier 5.
  • the socket cover and base 1,3 have a threaded neck with inner and Male thread on to the two parts 1,3 to be screwed together is held in which the contact carrier 5 between the upper part 1 and lower part 3 are disposed.
  • the contact carrier 5 supports a side contact 6 and a center contact 7.
  • the side contact 6 is a fixed contact, which as a ge fixing and A nMedicorgan formed part 8 on the contact carrier 5 hold and can be connected by a screw 9 to an electrical line 10.
  • the center contact 7 is designed as a switching contact arrangement with a disconnection path and has a fixed contact part 11 which is accessible from the rear of the socket and a movable contact part 12 which can be actuated from the front of the socket.
  • the fixed contact part 11 is formed by the other as Fixed To g ungs- and connecting member formed part 13 on the contact carrier 5 is fixed and connected by a screw 14 with the other electric wire 15th
  • the remaining contact part 11 is strip-shaped and arranged at one end on the part 13.
  • the other end of the contact part 11 protrudes through a hole 16 into a cylindrical recess 17 which is provided in the side of the contact carrier 5 facing the lower socket part 3.
  • a support part 18 is provided, which is attached on the one hand to the free end of the fixed contact part 11 and on the other hand rests against a wall of the hole 16.
  • the movable contact part 12 consists of two contact nipples 19, 20 and a pin 21 which firmly connects the two contact nipples 19, 20 to one another.
  • a round hole 22 is provided which opens into the recess 17 and in which the pin 21 of the movable contact part 12 is guided.
  • a second cylindrical recess 23 is provided which is formed concentrically to the hole 22nd.
  • the movable contact part 12 is equipped with a compression spring 24 which encloses the pin 21.
  • the compression spring 24 is inserted in such a way that on the one hand it rests on the underside of the one contact nipple 19 and on the other hand it rests on the contact surface formed by the second recess 23.
  • the compression spring 24 is dimensioned such that it holds the movable contact part 12 in a first position. In this position, the other contact nipple 20 is spaced from the fixed contact part 11.
  • FIG. 2 a lamp holder is shown which gege over the lamp socket shown in FIG. 1 is modified in so far that both the center contact 7 and the S eitentitle 6 are designed as switch contacts.
  • the side contact 6 has a fixed contact part 25 and a movable contact part 26.
  • the fixed contact part 25 is held on the contact carrier 5 in the same way and with the same means 8, 9 and is connected to an electrical line 10.
  • the fixed contact part 25 is strip-shaped and projects approximately perpendicularly from the side of the contact carrier 5 facing the upper part 1 of the socket.
  • a contact nipple (not shown) can be provided in order to improve the electrical contact.
  • the movable contact part 26 is strip-shaped.
  • the contact part is fastened at one end 27 near the threaded insert 2, in the upper part 1 of the socket.
  • the middle section 28 of the contact part is V-shaped and projects into the cavity defined by the upper part 1 of the socket.
  • the other end 29 of the contact part 26 is designed such that it rests against the free end of the fixed contact part 25 when the lamp base is screwed in and can be provided with a contact nipple (not shown) in order to improve the electrical contact.
  • a compression spring 30 is provided, which is held on the one hand in a recess 31 in the upper part 1 of the socket and, on the other hand, bears against the middle section 28 of the contact part 26 in order to lift the movable contact part 26 from the fixed contact part 25 when the lamp base is unscrewed from the lamp socket.
  • one end of the movable contact part 26 of the side contact is on the bevel solution top l attached.
  • the movable contact member 26 is attached only to the compression spring 30, wherein a guide member may be provided to a tilting of the Move - union contact part to prevent 26th
  • the movable contact parts 12, 26 of the exemplary embodiments described above are actuated directly by the lamp base.
  • the compression springs 21, 30 and the touchable sections 19, 28 of the movable contact parts 7, 26 are designed in such a way that the contact parts cannot be brought into contact with one another by the force acting upon accidental contact or through the hands of children.
  • the design of the center contact shown in Figs. 1 and 2 is also essentially applicable to bayonet sockets.
  • the fixed contact part 32 is designed as a frog spring or snap spring in order to bend the necessary to insert the socket to allow fixed contact part.
  • Fig. 4 shows a bulb socket for a light bulb with Edison screw, wherein the side contact 6 and the center contact 7 to be mechanically interlocked S chalttitlean everen are formed.
  • the side contact 6 has a fixed contact part 35, an intermediate contact part 36 and a movable contact part 37.
  • the fixed contact part 35 is strip-shaped and is provided at one end with a contact nipple 38 and at the other end is fastened to the contact carrier 5 by a part (not shown) designed as a fastening and connecting element.
  • the fixed contact part 35 is arranged such that it protrudes through a recess 39 into a recess 40.
  • the recess 40 is formed on the side of the contact carrier 5 facing the socket bottom part 3 such that it extends over the contact carrier 5 and in the center of the contact carrier 5 lies.
  • the intermediate contact part 36 is strip-shaped.
  • a contact nipple 41, 42 is provided in each of the end sections and protrudes from one side of the strip.
  • the intermediate contact part 36 is attached with the other side to the base surface of the recess 40 by a pin 43 such that the end section provided with the contact nipple 41 forms a movable section which can be pivoted by an external force to the contact nipple 41, 38 of the To bring intermediate contact 36 and the fixed contact part 35 into contact with each other.
  • a bore 44 is provided, into which an actuating part 45 protrudes to pivot the end portion.
  • the other end section with the contact nipple 42 forms a fixed section due to the position of the attachment point of the intermediate contact part 36.
  • the movable contact part 37 is also strip-shaped.
  • a contact nipple 16 is arranged on the movable contact part 37 at one end and a holding rod 47 is fastened at one end at the other end.
  • the holding rod 47 is arranged axially displaceably in a hole 48 in the contact carrier 5 such that the contact nipples 42, 46 of the intermediate contact part 36 and of the movable contact part 37 can be brought into contact with one another.
  • a further hole 19 is provided in the contact carrier 5, in which a second holding rod 50 is arranged to be axially displaceable.
  • an actuating part 51 is attached to one end of the second holding rod 50.
  • Compression springs 52 which are guided by the holding rods 47 and 50, are arranged between the contact carrier 5 and the movable contact part 37, as well as the contact carrier 5 and the actuating part 51. Stops 53 are fixed to the support rods 47 and 50 which by the compression springs 52 against the F assungsoberteil 1 side facing the contact carrier 5 are pulled and hold the support rods 47 and 50 in a starting position.
  • a ring 54 is fastened to the other ends of the holding rods 47 and 50.
  • the ring 54 consists of a wire with a round cross section and has an inner diameter which is slightly larger than the core diameter of the thread on the lamp base.
  • the ring 54 is designed and fastened to the holding rods 47 and 50 in such a way that it forms a left-hand thread that can be brought into engagement with the thread on the lamp base.
  • the threaded insert 2 can also be fastened to the holding rods 47, 50.
  • the center contact 7 also has a fixed contact part 55, an intermediate contact part 56 and a movable contact part 57.
  • the fixed contact part 55 is fastened to the contact body 5 in a manner analogous to the side contact 6 by a part (not shown) designed as a fastening and connecting element, so that it projects into the recess 40 and is provided with a contact nipple 58.
  • the intermediate contact part 56 is strip-shaped and is fastened by a pin 59 to a projection 60 which is provided in the recess 40.
  • contact nipples 61, 62 are provided which protrude from one side of the strip.
  • the intermediate contact part 56 is fastened to the projection 60 in such a way that the end section provided with the contact nipple 62 has a movable end Forms section which can be pivoted by the external force in order to bring the contact nipples 61, 58 of the intermediate contact part 56 and the fixed contact part 55 into contact with one another and which rests on the actuating part 51.
  • the other end section with the contact nipple 62 forms a fixed section analogously to the side contact 6.
  • the movable contact part 57 consists of a contact pin 63 and a contact nipple 64 formed integrally therewith at one end of the pin 63.
  • the pin 64 is arranged axially displaceably in a bore 65.
  • a cylindrical recess 66 is provided which is arranged coaxially to the bore 65.
  • a compression spring 67 is arranged, which on the one hand rests on a contact surface formed by the recess 66, and on the other hand rests on the underside of the contact nipple 64.
  • the compression spring 67 pushes it into an initial position, which is determined by the actuating part 45.
  • a further cylindrical recess 68 is provided in the side of the contact carrier 5 facing the lower part 3 of the socket, which is formed coaxially to the bore 65.
  • the actuating part 45 is fastened to the pin 63 and lies on the through the recess 68 formed area.
  • the actuating part 45 consists of insulating material and has a cylindrical extension 69 which projects through the bore 44 in the intermediate contact part 36 of the side contact 6, as a result of which the movable contact part 57 of the center contact 7 is insulated from the intermediate contact part 36 of the side contact 6.
  • the switching arrangements are actuated by screwing in the lamp.
  • the contact plate on the lamp presses against the movable contact part 57 of the center contact 7 and displaces it against the force of the compression spring 67.
  • the displacement of the movable contact part 57 brings the contact pin 63 into contact with the contact nipple 62 on the intermediate contact part 56 of the center contact 7 at the same time, the movable section of the intermediate contact part 36 of the side contact 6 is pivoted by the actuating part 45, so that the intermediate contact part 36 and the fixed contact part 35 are brought into contact with one another.
  • a separating path is closed in each switching contact arrangement.
  • the ring 54 is gripped by the thread on the lamp base when the lamp is screwed in and by the rotation of the lamp against the force of the compression springs 52 upwards, ie pulled away from the contact carrier 5.
  • the movable contact part 37 and the intermediate contact part 36 of the side contact 6 are brought into contact with one another and at the same time the movable section of the intermediate contact part 56 and the fixed contact part 55 of the center contact 7 are brought into contact with one another by the actuating part 51 on the holding rod 50.
  • the other isolating path in each switch contact arrangement is closed and the incandescent lamp lights up.
  • the forces acting on the side contact 6 and the center contact 7 are directed in opposite directions in order to close the switch contact arrangement. It is pointed out that the force acting on the side contact 6 can have the same direction as the force acting on the center contact 7. To achieve this, only different elements of the switching arrangement have to be designed and arranged differently, which is within the knowledge of the average person skilled in the art.
  • the sockets 70 mechanically locked against each other to prevent power conduction when an electrically conductive object is inserted into a socket.
  • a slot 71 is provided in the socket 70, in which an actuating part 72 is guided.
  • a recess 74 is provided in the contact carrier 73 (FIG. 6), in which a compression spring 75 is arranged.
  • the compression spring 75 rests on the one hand in the contact carrier 74 and on the other hand on the actuating part 72 in order to press the actuating part 72 into an initial position.
  • a movable contact part 77 of a switching contact arrangement is arranged, which can be pivoted by the actuating part 72 with respect to a fixed contact part 78 of the switching contact arrangement.
  • the movable contact part 77 is in each case connected via an electrically conductive strip 79 to a connection element 80 for an electrical line (not shown), and the fixed contact part 78 is in each case connected via an electrically conductive strip 81 to the socket 70 of the other plug contact.
  • switching contact arrangement described above can also be used for sockets with a protective contact or with a grounding pin.

Landscapes

  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Connecting Device With Holders (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
EP80106075A 1979-10-10 1980-10-07 Douille de lampe avec moyens de sécurité pour empêcher l'accès aux fils sous tension Expired EP0027244B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80106075T ATE11716T1 (de) 1979-10-10 1980-10-07 Gluehlampenfassung mit beruehrungssicherer spannungszufuehrung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH9119/79A CH648699A5 (de) 1979-10-10 1979-10-10 Gluehlampenfassung mit beruehrungssicherer spannungszufuehrung.
CH9119/79 1979-10-10

Publications (2)

Publication Number Publication Date
EP0027244A1 true EP0027244A1 (fr) 1981-04-22
EP0027244B1 EP0027244B1 (fr) 1985-02-06

Family

ID=4348536

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80106075A Expired EP0027244B1 (fr) 1979-10-10 1980-10-07 Douille de lampe avec moyens de sécurité pour empêcher l'accès aux fils sous tension

Country Status (6)

Country Link
EP (1) EP0027244B1 (fr)
AT (1) ATE11716T1 (fr)
CH (1) CH648699A5 (fr)
DE (1) DE3070121D1 (fr)
DK (1) DK428680A (fr)
WO (1) WO1981001082A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985005740A1 (fr) * 1984-05-25 1985-12-19 Kudos Lighting Limited Douille
GB2170662A (en) * 1985-02-05 1986-08-06 Haden D H Ltd Electrical socket for supporting an appliance
EP0295016A2 (fr) * 1987-06-08 1988-12-14 Magen Oshrat Ltd. Prise de courant électrique de sécurité
EP0744792A3 (fr) * 1995-05-26 1997-07-30 Gabriele Centazzo Douille de sécurité pour lampes
EP1050936A1 (fr) * 1999-05-03 2000-11-08 Dolsimer Investment S.A. Douille de sécurité
WO2000067349A1 (fr) * 1999-05-03 2000-11-09 Dolsimer Investment S.A. Douille de securite
WO2002084814A1 (fr) * 2001-04-13 2002-10-24 Jacques Bayon Douille pouvant recevoir des lampes a culot a vis et a baïonnette
WO2007098758A1 (fr) * 2006-01-20 2007-09-07 Poulsen Carsten Hornshoej Douille avec sécurité tactile
EP2797177A4 (fr) * 2011-12-24 2015-08-12 Shenzhen Zhongke Electrical Technology Co Ltd Dispositif de structure de connexion d'alimentation électrique

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5267116A (en) * 1988-01-28 1993-11-30 Aditan, Inc. Electrical safety socket
GB8823666D0 (en) * 1988-10-08 1988-11-16 Ranton & Co Ltd Protected lampholder
US5426552A (en) * 1991-07-08 1995-06-20 Aditan, Inc. Electrical supply safety socket
US5485340A (en) * 1991-07-08 1996-01-16 Aditan, Inc. Electrical supply safety plug
GB2307113B (en) * 1995-11-08 1999-04-28 Itt Ind Ltd Improvements in or relating to coaxial connectors
US6030240A (en) * 1998-05-06 2000-02-29 Itt Manufacturing Enterprises, Inc. Coaxial connectors
CN110454754B (zh) * 2019-07-29 2024-07-12 宁波唯尔电器有限公司 灯头及其灯座

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB312267A (en) * 1928-05-23 1930-04-24 Philips Nv Improvements in sockets for electric lamps
GB547941A (en) * 1941-07-14 1942-09-17 British Thomson Houston Co Ltd Improvements relating to holders for electric lamp caps of the screw type
US2306741A (en) * 1940-09-26 1942-12-29 Roy G Miller Shockproof electric receptacle
CH248108A (de) * 1947-01-28 1947-04-15 Schurter & Cie H Mit Berührungsschutz ausgerüstete Glühlampenfassung.
FR1236572A (fr) * 1959-06-09 1960-07-22 Système de sécurité pour prise de courant électrique
US3701074A (en) * 1971-09-07 1972-10-24 Claude Oster Grounding receptacle
FR2374759A1 (fr) * 1976-12-20 1978-07-13 Munz Emile Prise electrique de securite

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1539415C3 (de) * 1966-05-04 1979-06-21 Graff, Gerhard, 1000 Berlin Glfihlampenschraubfassung mit Berührungsschutz

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB312267A (en) * 1928-05-23 1930-04-24 Philips Nv Improvements in sockets for electric lamps
US2306741A (en) * 1940-09-26 1942-12-29 Roy G Miller Shockproof electric receptacle
GB547941A (en) * 1941-07-14 1942-09-17 British Thomson Houston Co Ltd Improvements relating to holders for electric lamp caps of the screw type
CH248108A (de) * 1947-01-28 1947-04-15 Schurter & Cie H Mit Berührungsschutz ausgerüstete Glühlampenfassung.
FR1236572A (fr) * 1959-06-09 1960-07-22 Système de sécurité pour prise de courant électrique
US3701074A (en) * 1971-09-07 1972-10-24 Claude Oster Grounding receptacle
FR2374759A1 (fr) * 1976-12-20 1978-07-13 Munz Emile Prise electrique de securite

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985005740A1 (fr) * 1984-05-25 1985-12-19 Kudos Lighting Limited Douille
GB2170662A (en) * 1985-02-05 1986-08-06 Haden D H Ltd Electrical socket for supporting an appliance
US4707042A (en) * 1985-02-05 1987-11-17 D.H. Haden Limited Electrical socket apparatus
EP0295016A2 (fr) * 1987-06-08 1988-12-14 Magen Oshrat Ltd. Prise de courant électrique de sécurité
EP0295016A3 (fr) * 1987-06-08 1990-08-22 Magen Oshrat Ltd. Prise de courant électrique de sécurité
EP0744792A3 (fr) * 1995-05-26 1997-07-30 Gabriele Centazzo Douille de sécurité pour lampes
EP1050936A1 (fr) * 1999-05-03 2000-11-08 Dolsimer Investment S.A. Douille de sécurité
WO2000067349A1 (fr) * 1999-05-03 2000-11-09 Dolsimer Investment S.A. Douille de securite
US6491534B1 (en) * 1999-05-03 2002-12-10 Dolsimer Investment S.A. Safety socket
WO2002084814A1 (fr) * 2001-04-13 2002-10-24 Jacques Bayon Douille pouvant recevoir des lampes a culot a vis et a baïonnette
WO2007098758A1 (fr) * 2006-01-20 2007-09-07 Poulsen Carsten Hornshoej Douille avec sécurité tactile
EP2797177A4 (fr) * 2011-12-24 2015-08-12 Shenzhen Zhongke Electrical Technology Co Ltd Dispositif de structure de connexion d'alimentation électrique

Also Published As

Publication number Publication date
DE3070121D1 (en) 1985-03-21
CH648699A5 (de) 1985-03-29
DK428680A (da) 1981-04-11
EP0027244B1 (fr) 1985-02-06
WO1981001082A1 (fr) 1981-04-16
ATE11716T1 (de) 1985-02-15

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