SU1003172A1

SU1003172A1 - Snap-action switch

Info

Publication number: SU1003172A1
Application number: SU802961899A
Authority: SU
Inventors: Александр Павлович Полторак; Вадим Владимирович Емельяненко; Валентин Васильевич Моргунов; Вячеслав Георгиевич Мироненко; Эдуард Самойлович Розенталь; Виталий Иванович Шуцкий; Владимир Иванович Литвинов
Original assignee: Донецкое Производственное Объединение "Электромагнит"
Priority date: 1980-07-30
Filing date: 1980-07-30
Publication date: 1983-03-07

Description

Изобретение относится к электротехнике, в частности к коммутационным аппаратам, предназначенным для применения в автоматизированных системах управления, защиты и сигнализации электроприводов машин и механизмов. ₅ The invention relates to electrical engineering, in particular to switching devices, intended for use in automated control systems, protection and signaling of electric drives of machines and mechanisms. ₅

Известен выключатель мгновенного действия, содержащий неподвижные контакты, закрепленные на изоляционном основании, последовательно соединенные друг с другом приводной и промежуточный10 рычаги, пружину сжатия и контактный рычаг, приводной и контактный рычаги закреплены на изоляционном основании, и ограничители движения, размещенные возле свободного конца контактного рыча- <5 га, на котором закреплен подвижный контакт Pl·Known instantaneous switch containing fixed contacts mounted on an insulating base, serially connected to each other drive and intermediate 10 levers, a compression spring and contact lever, actuating and contact levers are fixed on an insulating base, and movement limiters located near the free end of the contact growl <5 ha on which the movable contact Pl · is fixed

В известном выключателе дифференциальный ход приводного элемента в значительной мере зависит от раствора между ²⁰контактами.In the known switch, the differential stroke of the drive element is largely dependent on the solution between the ²⁰ contacts.

Известен также выключатель мгновенного действия, содержащий изоляцион- ное основание, неподвижные контакты, закрепленные на изоляционном основании, последовательно соединенные друг с другом приводной механизм, промежуточный рычаг, пружину и контактный рычаг, приводной механизм и контактный рычаг установлены с возможностью поворота на изоляционном основании, а на свободном конце контактного рычага закреплен подвижный контакт £ 2 ] .A snap action switch is also known, comprising an insulating base, fixed contacts fixed to an insulating base, a drive mechanism connected in series with each other, an intermediate lever, a spring and a contact lever, a drive mechanism and a contact lever mounted for rotation on the insulating base, and on the free end of the contact lever fixed movable contact £ 2].

В известном выключателе дифференциальный ход приводного элемента также в в значительной степени зависит от рас г— вора между контактами и имеет значительную величину.In the known circuit breaker, the differential stroke of the drive element also largely depends on the solution between the contacts and has a significant value.

Цель изобретения — повышение чувствительности.The purpose of the invention is to increase sensitivity.

Поставленная цель достигается тем, что в выключателе мгновенного действия, ¹ / содержащем изоляционное основание, неподвижные контакты, закрепленные на изоляционном основании, последовательно соединенные друг с другом приводной механизм, промежуточный рычаг, пружи ну и контактный рычаг, приводной механизм и контактный рычаг установлены с возможностью поворота на изоляционном основании, а на свободном конце контакт— ного рычага закреплен подвижный контакт, ₅промежуточный или контактный рычаг выполнен с зацепами со стороны подвижного контакта, а контактный рычаг на изоляционном основании размещен между .местом соединения пружины с контакт— ю ным рычагом и местом крепления подвижного контакта.This goal is achieved by the fact that in the instantaneous switch ¹ / comprising an insulating base, fixed contacts fixed to the insulating base, a drive mechanism, an intermediate lever, a spring and a contact lever, a drive mechanism and a contact lever are connected in series with the possibility turning on the insulating base and the free end of the contact arm is fixed Nogo movable contact pin ₅ or the intermediate lever is formed with hooks by rolling Here, contacts, and the contact arm on the insulating basis .mestom arranged between the contact spring connection th nym lever and the movable contact base mount.

На фиг. 1 изображен выключатель мгновенного действия, первый вариант выполнения,· на фиг. 2 - детали выключа- 15 теля на фиг. 1; на фиг. 3 - выключатель, второй вариант ввшолнения; на фиг. 4 детали выключателя на фиг. 3; на фиг. 5 и 6 - детали выключателя, варианты местом соединения последнего с промежуточным рычагом 4 условной линии I—I происходит переключение подвижного контакта.In FIG. 1 shows a snap action switch, the first embodiment, · in FIG. 2 - parts of the switch 15 in FIG. 1; in FIG. 3 - circuit breaker, the second variant of implementation; in FIG. 4 details of the switch in FIG. 3; in FIG. 5 and 6 - circuit breaker details, options for connecting the latter to the intermediate lever 4 of the conditional line I — I, the moving contact switches.

При устранении с приводного рычага внешней силы все подвижные детали занимают исходное положение.When eliminating external forces from the drive lever, all moving parts occupy their original position.

Пружина и промежуточный рычаг могут быть выполнены в виде одной детали (фиг. 5 и 6).The spring and the intermediate lever can be made in the form of a single part (Fig. 5 and 6).

В выключателе (фиг. 6) промежуточный рычаг может быть выполнен в вице рамки.In the switch (Fig. 6) the intermediate lever can be made in the vice frame.

Claims

The invention of an ognosigs for electrical engineering, in particular for switching devices intended for use in automated control systems, protection and signaling of electric machines and machines. A switch of instantaneous action is known, sotsderzhashchy non-movable contacts mounted on an insulating base, successively connected to each other by privots and intermediate levers, a compression spring and a contact lever, driving and contact levers fixed on the insulating base, and motion stops placed near the free end of the contact Snarl, which is fixed to the movable contact 11. In a known switch, the differential stroke of the drive element largely depends on the solution between the contacts. An instantaneous action switch is also known, comprising an insulating base, fixed contacts mounted on an insulating base, a driving mechanism, an intermediate lever, a spring and a contact lever, a driving mechanism, and a contact lever mounted in rotation on the insulating base , and at the free end of the contact lever fixed moving contact C 2. In the known switch, the differential stroke of the drive element also largely depends on the expansion between the contacts and has a significant value. The purpose of the invention is to increase sensitivity. The goal is achieved by the fact that in the instantaneous action switch containing the insulating base there are fixed contacts fixed on the insulating base, a solder mechanism, an intermediate lever, a spring, and a contact lever, a drive mechanism and a cone the lever is pivotally mounted on an insulating base, and at the free end of the contact lever a movable contact is fixed; the intermediate or contact lever is made with hooks from the sliding end act, and the contact arm on the basis of the insulating .mestom arranged between the contact spring with a compound nym lever and place the movable contact attachment. FIG. 1 shows an instantaneous action switch, the first embodiment, in FIG. 2 - details of turning off the bodies in FIG. 1; in fig. 3 - the switch is the second option; in fig. 4 details of the switch in FIG. 3; in fig. 5 and 6 — details of the switch, embodiments. The switch of instantaneous action contains fixed contacts 1 fixed on the insulating base 2, connected in series with each other drive mechanism 3, intermediate lever 4, spring 5 and contact lever 6. The drive mechanism and contact levers are rotatably mounted on the insulation base 2. The junction of the intermediate lever 4 and the spring 5 is engaged with the free end 7 of the contact lever 6, on which the movable contact 8 is fixed. The hooks are placed on the intermediate 4 or contact 6 levers. The place 9 of installation of the contact lever 6 on the insulating base 2 is placed between the point 10 of connection of the spring 5 with the contact lever 6 and the place of attachment of the movable contact 8. The device works as follows. When an external force acts on the drive mechanism 3 and at the intersection of the latter with the intermediate lever 4 of the conventional line I-I, the moving contact switches. When removing the external force from the drive lever, all moving parts occupy the initial position. The spring and the intermediate lever can be made in one piece (Fig. 5 and 6). In the switch (Fig. 6), the intermediate lever can be made in the form of a frame. An instantaneous action switch comprising an insulating base, fixed contacts mounted on an insulating base, a drive mechanism connected in series, an intermediate lever, a spring and a contact lever, a drive mechanism and a contact lever are rotatably mounted on the insulating base. and at the free end of the contact lever there is a fixed end, which is characterized by the fact that, in order to increase its sensitivity, the intermediate or contact lever is It is complete with hooks from the moving contact side, and the contact lever on the insulating base is placed between the point of connection of the spring with the contact lever and the point of attachment of the moving contact. Sources of information taken into account in the examination 1.US Patent M 2729714, cl. 2OO-67, 1956.

2. US patent Na 2228523, cl. 2OO-67, 1941.

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