DE1684838U - ELECTRIC SNAP SWITCH. - Google Patents

Description

PATENT Attorney D.IPL.-IN-G. EIDENEIER- STUTTGART-M-. KlQf NIG ST RA SS E

3 »September 1952 / ϊί

Sleeve: 'Sari bischer,

Customized pattern application
A. 3073 '-

File number * ψ 1 £ 37/21 α Sm

Electrical snap switch *

J> iβ - Ifrfintog. Concerns an electric snap switch R ei lter-: rähfit $ tifänilgen switching spring ^ of their respective con » t? 4L £ ar> £ © ii cross web a middle shorter spring axis joint ^ l ' goes out with his * fräien end to one era of a 'two- "

Schalt. * Iel3el '* is articulated »on its other

By yourself, the other transverse web gelsnfclg. abstiltzt _r the two äuEeren ,, the Quersfeege interconnecting spring legs are subjected to train and mittlere- Federsehenfcel ^ tner him -dorclibiegenden compressive force is exposed * DIE "I on the äuSe-röiL · FederscheniEel SLAR tension ube ^ r ^ projects * . Such mechanical switches are distinguished from those in which the ax · tensile stress: absorbing ©: longer ^ 'PederteiX at the dent of the contact, sbgefeugtett. Sin firmly ant Schsltergehauae: 'is clamped "»

des "-7 ■ * - ': geöriicfeteo: -ßRarely drawn spring partff on. ^ ppiinie move ^^ earth ^ wodurcöt-.ärer ^^ S ^

Au ^ ihrungsfprmeÄ such snap switch uraFoXlkoinmert aar erreieht _r because the Breh.-

Bank * Würtfc. Landessparkasser Stuttgart account Hn.2T- PostsdiedckontaStutta «« · * ^No. - 42.930-- Telefo ». 94507 - Patent Code ,, - *

■ "- έ- · ■■■" '. . ,

axis of the shift lever outside of the swivel range of the "Switching spring is unä therefore the two spring parts. With their Bearing points when J & iss.ch swiveling the gear lever are considerable Movements in the longitudinal direction -the .switching spring must / must, • so that the to. Switching the necessary transverse movement of the two Storage places is achieved ». The consequence is that the switchover requires a large tilt angle of the shift lever. The.significant Longitudinal movement of the switching spring must be at the. Dimensioning the fixed contacts · are taken into account · while is a Longitudinal movement of the contact spring for. Achieving a counter-sliding of the contacts that cleans the contact surfaces from gate part, however, to keep the contacts clean is already " very slight sliding movement sufficient that only

* due to small friction losses *

According to the invention, the switching lever is 'mounted' between the outer spring legs in such a way that its axis of rotation with the support bearings and 'the free end ' of the central spring leg is at least approximately in the same plane. FujEifren thereby. '

the .beiden bearing points of the spring legs at. Pivoting the shift lever on both sides of the tilting line fast'reine "Querbcwe- ^T ^ gungeji to the longitudinal axis of the Schaltf ^ der aus- The sum switching.; J ~ ν" ncf-twendige ^^ switching path? the spring bearing is - therefore with ^ a: very - ¹ ; . ^ '· "■ small ^ tilting angle! Of the> .shift lever- reached. Longitudinal movements' ■ - of the shift spring occur in both the 3rd. ^ He snap position: <.; In .a ^: only. F or pollution control: the. 'contacts, sufficient iiaß. · on · ^Bin, another advantage of the new' - · -iSchalthebellageirung} besteht- fact that- _r between the switching · * -

Lever and one on this .z * -B * with a pressure pin at =

^f ■ ' _ · gripping regulator element even with only a short lever arm \ -. of the point of application when pivoting the peeling lever

? . ■ Significant sliding movements take place * which one the

Switching differential will cause increasing friction. The small Hegel interval achieved can be shortened even further if the rear transverse web of the drawn piping protruding over the abutment is partly given a flexural tension. This means that: - the part that is further to the front when switching faster than the 5_ iCLpplinie * '· - ■

% y-_. _-. . y ¹ The object of the invention is in the drawing; 5 ·. shown in an example of a guide form * Ss show: 'Iv .. · fig * 1 a longitudinal section through the switch ,. · I 'Figure "2" is a plan view Dexl switch, and' £ -Pig *, 5 and 4- schematic Darste3 | boy of the switch according fe - '- type of Fig t..

"gfc ■;," - '; . On one out? rsollerstOff the existing base plate t of the

M '-' · ■ '-'. A fork-shaped bearing block 2 is attached to the switch and is provided with a terminal block 5 . Γη dem · bearing = _bock Z- £ & $ und an axis · Φ variably adjustable

fi -'-; - £ - - '- " ' lever .. 5? mounted ^. dvermi-feeineaE finger grip β be provided

; S ^^ zxl able * to the

two rexnander opposed 'iinden · des = two-armedi "'

'■ "■. · ^: >""'' ^: " - · ■■■' ■■ - '■ ":' ^: ' ^: .''■"'"V-. ■, -." ■: - ■ .Heberlä 3- -is "t $ &&%&& üagerpfanne.T or» B provided ^ the ■

aua ^ 5: ix: .vT disrcülaufe.aß.sn ■ Transverse channel ordered. The beidax

i 7 uad 8 serve "aim AnIsateen the both tavern!

9 UQd. 10 a ScnnappscJfcialtieder · A / it comprises a leg besteiat 9 · the Sehaltfeder au ", right square frame eiüxem _s axjaer whose transverse web 21 carrying one or more Sohaltkontäkt® ■ 12 and swisehen two preferably adjustable to propose = 13 'and X4 is versciiwenictoar ,, the js. _e -B _e . with connection = lclejiiüaen 15 or *. 16 ο «like. are provided, so that _s. the switch optionally as Είη «. and off switch or as · ssaso holder vsrvtfeaden can « 3er wide crossbar 17 '. of the frame-shaped leather channel 9 is used to clamp the switch spring '. He is not fixed clamped ₈ sönde'ra erfisduri ^ convention under angelenict to the two-armed '■ lever' 5, Xn whose X> agerpfanne '7 with its schnei = "u- ^ utQTwdsßa ianerexi Xante he reaches" The aweite Fe the leg

10 is from the inner surface of the frame-shaped leather leg 9 so from ge stalls ₃ that he suit deia crosspiece. 11 in solid saoimenaaBg. ste & t * The spring leg 10 could also form an I-part of its own, which aa is attached to the transverse web 11, 2, B = riveted or ■■ · welded on. As the free ends of the Pederachenlcels 10 cut into the bearing socket S on the other Jähde of the aweiaimig.ea SöÄal'tiiebels 5 _f so that the ends of the two JPederschenkel 9 and 10 each on an Arm_.äe.s-: two-armed - articulated siad. older 5 © - .. 'dersehenkel. 10 is shorter than the essentially straight = * ■ f ** «clcte.ge'dsreciieiucel. 9 ₅ but the roof is so long that it is in the lower switch position of the two leather thighs

A, 5Q7 _t 2/75,

clamped Sehalthebels 5 SiOH not fully extend Kr remains vdelntehr always curved and therefore is always a Bruck-paaaun _ö e The .federschenkel · 10 exerts therefore ken on (spring leg 9 a (Sug = ·) JCraft from "the iage depending on their \ to Sipplinie - to hold the spring leg 9 in one of its two border positions 2,1c generally the fully extended one, or seeks to pivot out of this into the opposite position, shown in dotted lines, to Yer »

The response ά ^ τ switch _{spring 9 3} 1Ö is brought about by swiveling the two-armed switch lever 5, which can happen either by means of the ginger grip it 6 τοη hand or z _e £ _a -Curie in Piga 4) by means of some control element 18-can happen ₃ that ζ ,, B ₀ immediately to the shift lever acts »set screws, 19 and 20 serve ά. ^ Ά deflection of the shift lever 5 zu'begrenzen & wl represented thereby the sum exceeding the required tilting line (on the drawing aer .Deutlichkeit due to exaggerated} yer = "adjustment path S to make longer or shorter" another screw 2I ₉ which "rush on-Anlenkst; 7.des w _e ~ act Dersch grandchild 9 protruding transverse web 17" to the rerEiags can to _9, the location is used of feeder leg 9 of the

ie au., y uar the. ? first shorten the path 2- (Fig. 3) ä -um.this, spring leg 9 a preload au. This erteileha: will be chnappen Ums. in the entgegengeseirzte (Jrenz "position beguas1iigt _r und.es is mSglich _r with" low-IFerstell- ψ'- ■■ * - forces. to work "Xfie ITorspannuag of the spring leg 9% i- ■: SEittela the adjusting screw 21 can be as far: to be driven, (Sfeo ψ \ "... .- '-'. that the spring forces occurring only - a very specific range

location (the y®1 & soaked) sulassen uzid ax. opposite (dash-dotted) ßrenslage-can only be assumed _s so = »■ long the two-armed shift lever 5 · is yersdnrenkt out of its predicament by a heel tension overcoming the pretension of the Feaer leg 9, if this Yerstellkraft so the two-armed shift lever 5 is immediately through the

of the iPed ^ rssisenicels 9 in its (aisle sucked out) exit position back & moved, so the switching spring 9,10 back in its "starting position -returned ₈ in which it rests against stop 13, © he can switch, so without change

Components or its expansion both as. Switch with two fixed rest positions (Fig. 1 to 5) or as a switch with only. A fixed rest position and a forced position would be used _a

They .The use of a lever -zweiarmigen _5 ₉ at the opposite JSnden 1> oth ^ eder leg · ¹ 9 and 10 aB ^ ele & kt siaa ₉ has to follow. ₉ that when Vsrschwenlcen the holding lever not how. so far only the flexure point 8 of the tinter pressure tension. standing JtPedersehenkels W of the iCippline genäfeexir. will ,, but- that at the same time, also the AaXejSKpunlrfc?. the tensile stressed Pederschenfcels 9- eat corresponds gegengesetster direction shifted · ₉ so that both AnIenk ~ ■ punlcta 7 u u 8 only half of the otherwise required ■■■ · adjustment path or Dreüwinkels · must cover., iaa a

the switching spring is designed to perform _a . This adjustment path makes the switching device extremely sensitive and enables very small controller sizes to be achieved.

Λ f —.- i. ,. _Λ ^^ ^ ₁ £ j, ti: .. , "V

~ "f ..- ■ ■■■, f

A »5Q72 / 75_ - - · - '· ■; * - 7 · ■.-.-." ■

The implementation of the invention is not tied to the illustrated form of the switching spring or other parts of the process * Rather, the retaining spring could also e.g. have shape in which the two leather thighs: 9 and 'IO based on their position to the longitudinal axis of the switch spring . . =. are interchanged · I could also use the adjusting screw 21 by 'a fixed stop or a (pressure) I? Either replace or between, the set screw and the Switch on a pressure screw switch spring, whose tension -. can be changed with the aid of the adjusting screw ". The - Adjusting screw 21 could be fixed in the case of the type with two

± - 'SuhesteliTzngeii also missing .ganz · Similarly, y-could-the stop 20 at DER switch design with a

# -. . ■ Rest position: 'and a forced position can be omitted. _t X Ss is an essential 7orteil ά & χ- erf ihdangs according en Construction

% -. .. "Art" that you gxe ⁷ already small switching paths are «- '% _.

1: . ;: joining Mi-fetela. able to reduce further = Here is ψ - "'' - . still special _: to. note that starting from the stop: 21.

p = '. .. ■ the bending ¥ tension exerted on the end of the pendulum 17

M_; leg, also 'in the sense of a reduction in the size of the switch-

p ^ "■ .: way influenced;» · "" ■ - '.' ■ '' ■ '- ■''

Claims (1)

PA.46566M8i4 a ■■ 'Α η-speak β 1 »Electrical snap-action switch with a rate specification Switching spring τοη whose one, the contacts-bearing crosspiece a middle .federschenlcel goes out, with his ■ _(the free end is supported on one arm of a gearshift lever. »The other crossbar is articulated on the other arm, v / ofoei the" oe-iden outer spring legs connecting the crossbars with one another are subjected to tensile stress and the middle spring leg is subjected to a compressive force that deflects it is exposed, characterized in that ■ · die'zwischen the two outer spring legs arranged axis of rotation (4) of the shift lever (5). with the Stiitz ^ bearings (7,8) of the other tQuerstega (17) and de v, free ündes of the middle Peders thigh at least approximately • was in the same plane - ■ _% '. ■. 2 · Switch according to claim 1, characterized in that! 3 the rash of the 37 / egg-like switch lever (5) by means of Preferably adjustable stops (i9j? Q) limitable- 3 · switch according to "claim 2 _f T and characterized in that an adjusting means (21) int provided through which 'the location DER clip line to the aft · Eruckfcr ces line ^pressure; · ~ fa <iersche | ik..: els- (TO) yeränderbar- is,. ',' · 4> * switch according to claim 3 * characterized in that · _.: ' ⁱ dasr'Vferstelinii.ttel: ζΖ%) on the "the" switching contact Ct ^ ) - which about the. The steering point (7) on the shift lever (5) "... protrudes, and the" adjusting means (21). preferred- -f vweise-; ala. pressure screw designed "is *. ^: . '· . Sciialter after. Claims 3 and 4? dadarc ^ i ge-cezmseichnet that- the-adjusting means- (2i) -is arranged and dimensioned. da3 it on. to the. Scfialtfedersciienkel (9) an Öis switching spring C9j10) in a ventilated rest position compelling spring force is called, cie nmr darcli a constantly acting ■ de Verste.llkraft can be overcome and with. Cessation of this final half results in an automatic return of the switching spring to its starting position.