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Extensible pull rod

A tie rod and main tie rod technology, applied in the direction of protection switch operation/release mechanism, circuit breaker parts, etc., can solve the problem of inconvenient application of power distribution cabinets, etc., and achieve the effect of ensuring normal use, reducing torsion, and improving connection stability.

Pending Publication Date: 2022-07-15
XIAMEN NAIDE ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the difference in the size of the power distribution cabinet, pull rods of different lengths are required to be used together. However, since the lengths of the pull rods and umbrella skirts mostly remain the same, it is not convenient to apply to power distribution cabinets of different sizes.

Method used

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  • Extensible pull rod
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Examples

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Embodiment Construction

[0037] Attached to the following Figure 1-5 This application will be described in further detail.

[0038] The embodiment of the present application discloses an expandable pull rod. refer to figure 1 and figure 2 , the tie rod includes a main tie rod 1 and a main shed 2, one end of the main tie rod 1 is clamped in the main shed 2, and an extension rod 3 is detachably connected to the end of the main tie rod 1 away from the main shed 2, and the extension rod 3. The upper sleeve is provided with an extension shed 4, the main shed 2 and the extension shed 4 are both elastic insulating materials, and the elastic insulating material can be selected from rubber, epoxy resin or nylon, etc.; one end of the extension shed 4 covers the main pull rod 1. The part outside the main shed 2, the end of the extension rod 3 away from the main tie rod 1 extends out of the extension shed 4, and the end of the extension shed 4 is detachably connected with the main shed 2. The extension rod 3...

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Abstract

The invention discloses an extensible pull rod which comprises a main umbrella skirt and a main pull rod with one end connected to the main umbrella skirt, the end, away from the main umbrella skirt, of the main pull rod is detachably connected with an extension rod, the extension rod is sleeved with an extension umbrella skirt, and the main umbrella skirt and the extension umbrella skirt are made of elastic insulating materials. One end of the extended umbrella skirt covers the part, located outside the main umbrella skirt, of the main pull rod, and the end portion of the extended umbrella skirt is detachably connected with the main umbrella skirt. The size of the pull rod and the size of the umbrella skirt can be expanded and lengthened, and the application is suitable for power distribution cabinets of different sizes.

Description

technical field [0001] The present application relates to the field of circuit breakers, and in particular, to an expandable pull rod. Background technique [0002] At present, circuit breakers are often used in some air cabinets. A circuit breaker is a circuit breaker that can close, carry and break current under normal circuit conditions, and can close, carry and break abnormal circuits within a specified time. switching device for current under conditions. The insulating rod is an important part of the circuit breaker. [0003] The Chinese Patent Publication No. CN103646817A discloses an insulating tie rod for a circuit breaker, including an umbrella skirt, two ends of the umbrella skirt are respectively provided with a connecting tie rod I and a connecting tie rod II, and at least one of the connecting tie rods I and the connecting tie rod II is provided with a connecting rod I and a connecting rod II. One end of the shed is connected with the end of the shed by an ela...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H71/10H01H73/02
CPCH01H71/10H01H73/02Y02A40/25
Inventor 刘灿彬刘灿江林春华高剑英
Owner XIAMEN NAIDE ELECTRIC