EP0456984A2 - Interrupteur à fiches - Google Patents

Interrupteur à fiches Download PDF

Info

Publication number
EP0456984A2
EP0456984A2 EP91103735A EP91103735A EP0456984A2 EP 0456984 A2 EP0456984 A2 EP 0456984A2 EP 91103735 A EP91103735 A EP 91103735A EP 91103735 A EP91103735 A EP 91103735A EP 0456984 A2 EP0456984 A2 EP 0456984A2
Authority
EP
European Patent Office
Prior art keywords
plug
base
housing
switch according
contactor
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
EP91103735A
Other languages
German (de)
English (en)
Other versions
EP0456984B1 (fr
EP0456984A3 (en
Inventor
Günter Bauer
Ulrich Beerschwinger
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.)
ZF Electronics GmbH
Original Assignee
Cherry Mikroschalter 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
Application filed by Cherry Mikroschalter GmbH filed Critical Cherry Mikroschalter GmbH
Publication of EP0456984A2 publication Critical patent/EP0456984A2/fr
Publication of EP0456984A3 publication Critical patent/EP0456984A3/de
Application granted granted Critical
Publication of EP0456984B1 publication Critical patent/EP0456984B1/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
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5866—Electric connections to or between contacts; Terminals characterised by the use of a plug and socket connector

Definitions

  • the invention relates to a plug switch with at least one snap switch mounted on a plug base, consisting of a connecting pin and an elongated U-bracket with legs of different lengths, on which both a contactor and an auxiliary actuator are mounted in cutting edge bearings, which have one on both Interact parts of the tension spring to make contact.
  • a snap switch of this type is known from DE-PS 29 28 214.
  • a plunger acts on the free end of an auxiliary actuator, which is rotatably mounted in the housing and is connected to the contactor via a tension spring, this tension spring pulling the contactor into one or the other contact position, depending on the position of the auxiliary actuator.
  • the contactor is pivotally supported in a contact bearing provided with a connecting pin, a cutting edge bearing being used.
  • snap switches of this type are designed as plug-in switches for easy mounting, in which the actual snap switch is accommodated in a moisture-tight manner and can be operated from the outside.
  • the invention has for its object to provide a plug switch in the housing of which a snap switch is moisture-proof and which makes automatic assembly possible after automatic pre-assembly of the actual snap switch, the connecting pins of the snap switch also being used as plug pins in the plug switch.
  • This object is achieved in that on the short leg of the contactor and on the long leg of the auxiliary actuator is mounted such that the auxiliary actuator rests in the rest position by the spring tension of the tension spring on the short leg that the connector pin runs away from the contact bearing designed as a U-bracket and can be inserted through the plug base, that the connecting pin is provided in the area of the plug base with a latching wing and that the connector base has a recess in the area of the latching wing, in which the latching wing can be rotated, being supported on the bottom of the recess and the contact bearing fixed to the base part of the connector base.
  • a further embodiment provides that the contact piece interacting with the contactor runs parallel to the connecting pin of the contact bearing through the plug base with its connecting pin, which is also provided with a latching wing, and is fixed therein by twisting it with a latching wing.
  • the connector base is provided with a platform-like extension, on which the contact bearing is mounted adjacent to the base part of the connector base.
  • a pre-assembly of the snap switch on the plug base is possible in a simple manner in that the contact bearing is first fixed in the plug base with the connecting pin and by rotating the council wing in the latter. After inserting the contactor on the short leg of the U-bracket, the tension spring hooked into the contactor is hooked into the contactor and the auxiliary actuator that was previously inserted into the cutting bearing on the long leg. In this arrangement, the auxiliary actuator rests on the short leg and is pressed against it by the tension spring, so that the preassembled snap switch is in a stable position.
  • the locking wings come into contact with the bottom of the recess, whereby the contact bearing is pressed against the connector base, since the connector pin is twisted to shorten the material.
  • a special embodiment of the invention provides that two snap switches are arranged side by side in the connector base, the contact bearing of which is formed in one piece and fixed in the connector base with a common connecting pin. Accordingly, two plungers are located side by side in the housing arranged, which carry a sealing sleeve welded in the housing.
  • the measure of the invention gives a very advantageous structure for a plug switch that can be assembled in the simplest way.
  • a plug switch 10 which consists of a plug base 11 with a snap switch 14 fixed thereon and is accommodated in a housing 12.
  • the plug base 11 with the snap switch 14 is inserted at the end into the housing 12, which to This purpose is expanded like a sleeve and is provided with a shoulder against which a sealing washer 16 is pressed when the plug base 11 engages with corresponding projections 18 in corresponding recesses on the sleeve-like extension.
  • the locking projections 18 are formed on the circumference of a base part 20, from which a platform-like extension 21 projects into the housing.
  • the snap switch 14 is mounted on the platform-like extension 21.
  • the contact bearing is designed as an elongated U-bracket with a long leg 30 and a short leg 31. Both the long leg 30 and the short leg 31 each carry a cutting edge bearing 32 or 33 at the free end.
  • the auxiliary actuator 28 and in the cutting edge bearing 33 the contactor 26, each with sharp-edged burr sides, are used as cutting edges, which are caused by angled edges Bending of a material flap are brought into the correct position for the cutting edge bearing.
  • the contactor 26 runs within the U-bracket from the short leg 31 in the direction of the long leg 30 and the auxiliary actuator 28 from the long leg 30 in the direction of the short leg 31, the auxiliary actuator protruding beyond the short leg and outside of the short leg with one bent fastening tab 35 and an actuating tab 36 is provided, on which a plunger 37 inserted into the housing 12 acts.
  • the tension spring 27 extends from the fastening tab 35 to a suspension bore 38 in the contactor 26 and is oriented such that when the auxiliary actuator 28 is actuated, the tensile force of the tension spring 27 travels through a snap plane in order to pivot the contactor in the direction of a contact element 40 which is caused by a recess in the long leg 30 of the contact bearing 25 engages in the space between the auxiliary actuator 28 and the contact bearing 25.
  • the bearing edge is bent downward in the mounting hole 38, as a result of which a sharp-edged ridge side comes into contact with the suspended spring and forms a defined point support.
  • FIG. 1 The assembly of the snap switch in the plug base and on the platform-like extension 21, on which the contact bearing 25 rests, is shown in broken lines in FIG.
  • a connecting pin 42 extending from the long leg 30 is inserted through the base part and, as will be explained in the following, is locked therein.
  • the contact element 40 is also inserted with a connecting pin 42 through the base part 20.
  • the connecting pins 42 are produced with a rectangular or square cross section when the respective part is punched out.
  • locking lugs 44 are formed on the connecting pin 42 in that a flag is preferably formed on both sides when punching out.
  • slots 45 are formed in this slot in accordance with the dimensions of the connecting pins and the width of the latching wings 44, which merge into a slot-like recess 46 on the plug side, which has the width of the latching wings 44.
  • the locking wing 44 is gripped with a tool after the connecting pin 42 has been pushed through and is rotated through 90 ° within the slot-like recess 46.
  • the latching vanes 44 clamp on the bottom surface of the slot-like recess 46, and at the same time the material is shortened in the region 43 by the rotation, which ensures a rigid fixation of the contact bearing 25 in the base part.
  • the connecting pins 42 of the contact elements 40 In order to increase the tension, the bottom surface of the recess 46 can be crowned perpendicular to the alignment of the slot 45.
  • FIG. 2 shows an embodiment with two snap switches which are mounted next to one another on a common contact bearing 25.
  • the contact bearing for the two snap switches has a common connector pin, which is the middle connector pin 42 in the illustration according to FIG.
  • FIG. 2 shows the two snap switches in a different horizontal sectional plane. Therefore, one can see on the lower half of the drawing the contact element 40 and the contactor 26 inserted into the cutting edge bearings 33 on the contact bearing 25, whereas the snap-action switch 28 inserted into the cutting edge bearing 32 on the long leg 30 can be seen in plan view in the snap switch shown above.
  • the cutting edges of the contactor 26 which engage with a sharp-edged ridge side in the pans of the cutting edge bearings are each provided on one side with a hook-shaped flag which engages behind the pans. This measure prevents the cutting edge from falling out of the pan of the cutting edge bearing during normal handling.
  • the flags are bent offset at an angle to the cutting edge, so that the distance between the sharp-edged ridge side of the cutting edge and the flag has a size that only allows the contactor or auxiliary actuator to be inserted into the cutting edge bearing if these two parts are against their normal operating position are kept angularly offset, which is shown in the illustration of the individual assembly phases of the snap switch according to FIGS. 3A to 3C with dash-dotted lines.
  • the snap switch is actuated with the aid of the plunger 37, which is inserted into the housing 12 and engages on the actuating tab 36 of the auxiliary actuator 28.
  • the plunger 37 is provided with a groove 50 into which a sealing sleeve 51 engages, which is made of a soft, elastic material and has a dome-shaped design. An opening is provided in the dome of the dome-shaped configuration, the edge of which comes to lie in the groove 50.
  • a seal in the groove area can advantageously be achieved in that the plunger 37 in the manufacture of the sealing sleeve Injection mold is used, and the material flows directly into the groove 50 when the injection mold is sprayed out.
  • the sealing sleeve can also be pulled onto the plunger 37, the opening coming to lie in the groove 50 under prestress.
  • a bead running at the lower end of the dome-shaped sealing sleeve 51 is inserted into an annular recess around the bore receiving the plunger 37. After insertion, this bead is welded in by deforming the material of the housing and the annular recess 52 remaining in the illustration is potted with silicone sealant.
  • An additional actuator 53 which is formed from a flat strip material and is inserted into a flat groove 54 of an extension 55 on the housing in a known manner, engages on the outer dome of the plunger 37.
  • the desired elasticity of the additional actuator is set by means of a punched-out cutout 56 which runs longitudinally in the strip material and which is attached directly next to the clamping in the extension 55.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)
EP91103735A 1990-04-12 1991-03-12 Interrupteur à fiches Expired - Lifetime EP0456984B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4011980 1990-04-12
DE4011980A DE4011980A1 (de) 1990-04-12 1990-04-12 Steckschalter

Publications (3)

Publication Number Publication Date
EP0456984A2 true EP0456984A2 (fr) 1991-11-21
EP0456984A3 EP0456984A3 (en) 1992-09-16
EP0456984B1 EP0456984B1 (fr) 1996-06-05

Family

ID=6404355

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91103735A Expired - Lifetime EP0456984B1 (fr) 1990-04-12 1991-03-12 Interrupteur à fiches

Country Status (2)

Country Link
EP (1) EP0456984B1 (fr)
DE (2) DE4011980A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014217184A1 (de) 2014-08-28 2016-03-03 Zf Friedrichshafen Ag Zusatzbetätigungselement für einen Schalter und Verfahren zum Herstellen eines Zusatzbetätigungselements

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10139356A1 (de) * 2001-08-17 2003-02-27 Kiekert Ag Elektrische Bauelementanordnung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3056002A (en) * 1959-10-19 1962-09-25 Cherry Electrical Prod Snap-action switch
GB1371234A (en) * 1972-03-23 1974-10-23 Burgess Micro Switch Co Ltd Switches
DE2218501C2 (de) * 1972-04-17 1979-10-04 Siemens Ag, 1000 Berlin U. 8000 Muenchen Gerätesockel, vorzugsweise für Relais
DE3004665A1 (de) * 1980-02-08 1981-08-13 Marquardt Gmbh, 7201 Rietheim-Weilheim Elektrischer schalter
DE3143900A1 (de) * 1981-11-05 1983-05-11 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt Elektrischer schalter fuer kraftfahrzeuge
DE3827638A1 (de) * 1988-08-16 1990-03-08 Baer Elektrowerke Gmbh & Co Kg Elektrischer schnappschalter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014217184A1 (de) 2014-08-28 2016-03-03 Zf Friedrichshafen Ag Zusatzbetätigungselement für einen Schalter und Verfahren zum Herstellen eines Zusatzbetätigungselements

Also Published As

Publication number Publication date
EP0456984B1 (fr) 1996-06-05
DE4011980A1 (de) 1991-10-17
EP0456984A3 (en) 1992-09-16
DE59107875D1 (de) 1996-07-11

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