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Device for guiding a spring in a control mechanism and electrical protective equipment comprising the same

A control mechanism and electrical protection technology, applied in the field of guide spring devices, can solve problems such as wedging of guide elements and wear of guide devices

Active Publication Date: 2020-06-12
SCHNEIDER ELECTRIC IND SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In fact, in such a mechanism of small overall dimensions, the guiding means may be subject to wear after a great deal of manipulation, leading to wedging of the guiding elements, thus preventing any further manipulation

Method used

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  • Device for guiding a spring in a control mechanism and electrical protective equipment comprising the same
  • Device for guiding a spring in a control mechanism and electrical protective equipment comprising the same
  • Device for guiding a spring in a control mechanism and electrical protective equipment comprising the same

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Embodiment Construction

[0026] The figures show a device according to the invention for guiding a spring 1 which may form part of a control mechanism of an electrical protective device, for example a circuit breaker.

[0027] In a manner known per se, the device is intended to be placed between two shafts 2 , 3 called respectively the switch shaft and the isolator shaft to ground.

[0028] exist figure 1 and figure 2 In the two embodiments of the device according to the invention shown, each shaft is equipped with a double crank 4, 5 respectively, the two elements 4a, 4b; 5a, 5b of the double crank have 3 planes in the plane of the axis of rotation.

[0029] On each of these cranks 4, 5 is mounted a shaft 6, 7 extending in a direction substantially perpendicular to the plane of the corresponding crank, said shaft 6, 7 being intended for connection with a set of two so-called connecting rods 8, 9, said rod is mechanically connected by its two opposite ends to said two shafts of cranks 4, 5.

[00...

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Abstract

The invention relates to a device for guiding a spring in a control mechanism, comprising two rods adapted to slide relative to each other and hinged at their free ends to two axes respectively, at least one of which is a compression spring. Mechanically connected to the so-called operating shaft, the two opposite ends of the compression spring are supported on a respective one of said shafts, the device is characterized in that it includes means for guiding the sliding of the two rods relative to each other device, a closed oval hole (20) is formed at one end of each rod, and an open oval hole (21) is formed at the other end of each rod. These rods are installed head-to-tail, and the closed oval hole (21) is formed at the other end of each rod. The hole (20) is adapted to retain the capture of a respective one of the two axes (6, 7) and the two open oval holes (21) are adapted to allow the capture of a respective one of the two axes (6, 7). respectively one disengage to change the guide stroke.

Description

technical field [0001] The invention relates to a device for guiding a spring in a control mechanism, comprising two rods adapted to slide relative to each other and hinged respectively to two shafts, at least one of which is mechanically connected to the operating shaft, and a compression spring, which Two opposite ends of the compression spring are supported on respective ones of the aforementioned two shafts. Background technique [0002] Guiding devices of this type are known for guiding compression springs whose function is to provide additional assistance, intended to equip the spring by increasing the power and speed of the manipulation of the user using the output shaft of the mechanism, or by compressing and suddenly enabling The spring is decompressed to generate the driving force of the output / driver. [0003] Thus, such a subassembly can be mounted between the two shafts of the respective steering crank belonging to the two shafts or between the steering crank s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H3/30
CPCH01H3/3005H01H3/30H01H3/3047
Inventor F.科勒斯
Owner SCHNEIDER ELECTRIC IND SAS
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