DE1989905U - SNAP SWITCH WITH WIPER ATTACHMENT. - Google Patents

Description

Snap-action switch MLt wiper attachmentK;

The hiring relates to a snap-action holder of the conventional design, which by means of an attached attachment as a wiping contact; - Snap switch can be operated, r is »

By, US Pat. No. 3,003,047, is a snap-action switch known? which - with the help of an attachment - is suitable for a wiping contact © ». Quite apart from the multitude of parts from which the intent: is composed, - does this arrangement still have the disadvantage _? . that you have really short impulses or stops with this version; not achieved: will be able to »

O U.S. Patent 3,117,199 is another snap-action switch "known; become ^ - its intention to achieve a wiping contact in the form of a press stud and - on the side of the scarf « housing is attached * This version; of a switch with Wi & ch- • komtaktgabe: is very complex to use. Individual parts

5 and in no way designed to save space,

US Pat. No. 2,997,556 is -weiterhin.'ein Sehnappschalter known ", which has a bracket arrangement _s . which is suitable for wiping contact and consists of two different long lever arms which are mounted at different points and held in the starting position by a permanent magnet. Bedm gripping the actuating cam. in the outer-He at part die.se. two levers together: pressed in the direction of the microswitch or snap-action switch and this actuates its plunger. If the actuation force is maintained in the same direction, is a bend supported on one lever part on the switch housing _? The force of the permanent magnet is no longer sufficient to maintain the frictional connection between the two lever parts and the forward lever part tears away from the contact surface on the permanent magnet .

Drahfcvort 'P © s5se! Ioe! I Bahnι undIBrproB.

Kissling Stuttgart 70569 Wildberg / Württ., Or Boblingen

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Volksbanlt BoblingenAG 836 Zollgut only Boblingen

Botrtob II 72, G \ Su \ z Kts. CaK-J 703 Boeblingen / WUrtt. Ftrnrui: \ Ni \ dbsrg
(07054) 251 "
it Tübinger Str. 10 Telephone: (070 31) 5095

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Duron- this tearing off the front. Hot part becomes, outer men; Lever part ,, of the. Plunger of the microswitch. "until then pressed iiältj through, the leather force fc of the plunger: pressed against the actuation _{direction f} whereby by, the springing back of the plunger the contact arrangement; snaps back into the starting position within the microswitch ₉ even if the actuating force, also further in. acts on the Forderen lever part * This bracket assembly is snap switch-des very on '- ~' manoeuvrable around, expensive, and time and reliability;.. the wiping contact fork is dependent on the adhesive force of the permanent magnet and te of the jerk !! force.. - with which the microswitch is provided. "

The control has the task of the disadvantages of the known versions, of. Avoid snap scarfers with a wiper attachment, and. to create a wiper attachment, - which consists of a few individual parts ^ easily to a snap switch of conventional design: is to be attached and after the. Durchschalüea. die: contacts, fast and. can snap back safely back into the starting position "lfeue has shown this is achieved in that on the BET ^ ätigungsseite of the snap switch is a double bearing block _s is arranged a bearing parts in its.; a shift lever is rotatably mounted and. that on the middle piece of the double bearing block another lever with lever arms of different lengths and. a bend. there is a sin encamped in demi. straight end rests on the plunger of the snap switch · and that between, the one. End ,, of the lever and: the lever mounted in the double bearing block, a compression spring is arranged.

The arrangement of the levers on the. Snap holder so hit _s; that when one lever is actuated, the plunger over the compression spring and the gerad.ea. Alan of the other lever first in the. the snap switch housing. hija is depressed. and. the in. Snap switch located contacts umschnappeii let as soon as the bending of the shorter lever, in the. run the further actuation of the longer one. Lever touches this and the lever in the direction of the arrow; continued to be operated,.; arises with the.

straight arm; the shorter. Levers; one. ■ Beiwe-gy the acts against the switching direction of the actuation lever and. the

K / ÜBg. 30 _; :

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The force of pressure on the leather wiping the scarf lifts it up and lets the plunger step out of the case of the locker again ₅ . whereby the contacts snap back into their original position.

Due to the design of a snap-on holder with ΐ / isher attachment according to the present! Price increase, various advantages are achieved compared to the known switches with wiper attachment _s no additional mounting plate is required and in terms of space does not exceed the dimensions, including the same, of the actuating lever. protrude. As a result, when the longer lever is actuated, the plunger is initially pressed via a compression spring. will, ^ while in the course of the further actuation of this lever by support; the same at the bend; the other lever that. Pressure of the Seder on the actuated plunger counteracted τ / ird - and the plunger ■ ,, thereby returns more easily to the starting position _5; a defined ^ wiping contact is achieved within the snap switch.

The! Inflation is described with the help of a drawing "In der Zeiohnung; shows %

3? Ig “1 a snap-action switch with a wiper attachment in initial or initial position; from both sides. ge; -see ^

IPigo 2 a snap switch according to Pig «, I ₅ its front attachment, in one position; -shown; is _s diej about

half of the switching path corresponds to ,, and

Pig ,. 3 a snap switch according to Pig. 1 _s whose wiper attachment etv / a, in the actuation end position; shown is, ..'.- ■

In the Pig. 1 to 3 is the plunger of a snap switch with 1 denotes j d, er with flat connections led out of the, G-eJaäuse 2 3, 4 and 5 is provided. Inside the switch housing, are in, well-known and in the switch not shown in the drawing:

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Way: these flat connectors 3? 4 and. 5 with the to the right of the .. switch _r z..B. in fig, 1 ₅ . shown in the basic circuit diagram. Contacts 3 ^J _i 4 ^I and. 5 ^{1 of} the Sohnapp counter mechanically and electrically connected,

Fig. 1 shows the snap-action switch in rest «, or in. Initial state .. On the actuation side of the snap switch is a double-sided bearing block & in the form of a U-shaped bent with unequal legs Angle so "attached; that the shorter leg the bearing great 7 and the longer leg an opening: 9 for the. Habelarn 8 forms.

The opening: 9 is used to guide the lever 8 during actuation and the upper limit, the opening - 9 forms a stop for the lever 8 in the rest or starting position. To the plunger 1 of the Sehna / ppsehalters is the double bearing block 6 cut parts in the released. Middle part of the double bearing block 6 are! two flaps 10 provided ^ the. are bent in the direction of the U-legs, and the bearing position 11 for a second, shorter one. Lever. 15 Ml- 'den. The lever 15 is, as shown in FIG. 2, with a lever arm "which has an end 14 angled in the direction of the lever 8"; and., a further lever arm, with a smooth or flat ^: 20 end 12 provided _9: which rests on the Sahalt ram 1. Between the end 12 of the lever 15 and. the lever 8 is WeiterMu .. a compression spring 13 is provided, which is with a slight door tension; with their. Ends on the respective surfaces of the levers 8 and .. 15 is supported.

Now _{s is shown} as: in fig., -. 2. » the lever 8 in the direction of the arrow actuate-fcs; so first of all the spring 13 is pressed in the direction of the lever 15 on the end of the lever. Plunger 1 rests. If this compressive force outweighs the force of the plunger return spring inside the snap switch, the plunger 1 is pressed into the housing 2 and in turn leaves the contacts 3 ' _v 4' and. 5 ^! snap inside the switch into position ₃ which is shown in the schematic diagram on the right next to fig "2" If the lever 8 continues in the same direction: confirmed *, the angled end 14 of the lever 15 hits the inner surface of the lever, @ and. . the direction of rotation of the lever 15 and vice versa: as shown, upon further actuation of the lever 8 in the same direction _'s in fig, 3 * .- is. the flat end 12 lifts the spring 13 from the plunger 1 so that

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this in. the in · Iig: “1 presented starting position: returns, and. thus the contacts 3 ' ₅ .4 * and 5' inner hall) of the switch, as in the basic circuit diagram to the right of the switch in. Mg ₀ 3 in the. Starting position, snap back, lets »If the lever 8 continues to be pressed in the previous direction of actuation _} . so there is no further switching, the contacts 3 « ₉ 4 ^! and. 5 'instead of * as this is prevented by lever 15. ,, Depending on what has been passed / ended. Switching type can be achieved, with a stop sequence OFF - BIl - OFF or a switching sequence © 111 - OFF - EIl "

3 claims for protection

1 sheet of drawings, with 3

Claims (2)

1 '> S clan apps ehalte r, an attached header as a wiping contact action switch is _s by actuatable characterized _s that arranged on the actuating side of the Söhnappschalters, a double bearing block (6) * in which a bearing point; (7) a shift lever (8) is rotatably mounted and. that on the middle piece (tab 10) of the double-bearing bracket (6) another lever (15) with lever arms of different lengths and a bend (H) on de mi one. End is stored. _s the one with the straight end (12) on the. The plunger (1) of the snap switch rests and that between one end (12) of the lever. (15) and. to the. A compression spring (13) is arranged in the lever (8) mounted in the double bearing block (6). 2. Snap switch according to claim 1 _9, characterized $ that d.er a lever, (8) and the other; Lever. (15) are arranged on your- snap-action switches like this _?; that when one lever (8) is actuated, the plunger (1) via the compression spring (13) and. the arm (12) of the lever (15) is first pressed into the snap switch housing (2) and the contacts in the snap switch (3 * se4. * and 5 ^! ) snap over. leaves; _s as soon as the bend (H) of the lever (15) in the course of the. further actuation; of the longer. Lever (8) d.ie; sen, touches and. the lever (S) in the direction of the arrow; If you continue to operate ₉ , the lever (12) just formed removes the pressure of the oiler (13) and lets the plunger (1) come out of the housing (2) of the cream switch, where the contacts (3 ^J , 4 ^s and - 5 ') snap back into the starting position » 3 »Snap-action switch according to claims 1 and 2, characterized in that that the, two, on the. Double bearing block (6) arranged levers (8 _S 15.). in. their position so arranged to each other and formed-s; that upon confirmation; first both levers (8 and 15) .um their bearings (7 and 11) in the same direction; pivoted; become ,, when one lever (8) is further actuated in the same direction; on the other lever (15), however, a reversal of the ^ gfctattt, ^^ in the opposite direction; is and. of the ram enables «, -