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Slide rheostat

A technology of sliding rheostats and slides, which is applied in the direction of sliding contact resistors, etc., can solve the problems of high manufacturing cost, complex structure, complex structure of sliding rheostats, etc., and achieve the effects of low manufacturing cost, simple structure and convenient use

Inactive Publication Date: 2014-02-12
CHANGZHOU WUJIN HUARUI ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of sliding rheostat has a complicated structure, high manufacturing cost, and it is easy to connect wrong wires due to the complicated structure.

Method used

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  • Slide rheostat

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Embodiment Construction

[0009] Such as figure 1 It is a structural schematic diagram of the present invention, a sliding rheostat, including a terminal post 1, a sliding piece 2, a resistance wire 3, a metal rod 4, and a porcelain cylinder 5. The sliding piece 2 is fixed on the metal rod 4 through a sleeve, and the sliding piece 2 is pasted Combining the coil formed by the resistance wire 3, the two ends of the resistance wire 3 are connected to the terminal post 1, and the resistance wire 3 is wound and fixed on the porcelain cylinder 5 through an adjustable distance iron sheet. The porcelain cylinder is smooth, non-conductive and easy to wind. At the same time, the resistance can be changed by changing the length of the resistance wire connected to the circuit. The longer the resistance wire, the greater the resistance, and the shorter the resistance wire, the smaller the resistance.

[0010] The invention has the characteristics of simple structure, low manufacturing cost and convenient use.

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Abstract

The invention relates to the technical field of electrical elements and especially relates to a slide rheostat. The slide rheostat comprises binding posts, a slide plate, a resistance wire, a metal rod and a porcelain cylinder. The slide plate is fixed to the metal rod by a sleeve piece. The slide plate clings to a coil formed from the resistance wire. Two ends of the resistance wire are connected respectively to the binding posts. The resistance wire is wound and fixed to the porcelain cylinder by iron sheets having a distance adjustment function. The slide rheostat has the characteristics of simple structure, low manufacture cost and use convenience.

Description

technical field [0001] The invention relates to the technical field of electrical components, in particular to a sliding rheostat. Background technique [0002] The sliding piece of the existing sliding rheostat is slidably installed on a guide rail as a metal rod, and the two ends of the guide rail are fixed by connecting frames, and the direction of the guide rail and the coil are parallel to each other. Terminal posts are respectively arranged at both ends of the coil and the two ends of the guide rail. This type of sliding rheostat has a relatively complicated structure and high manufacturing cost, and it is easy to connect wrong wires due to the complicated structure. Contents of the invention [0003] In order to overcome the deficiencies of the existing technology, the present invention provides a sliding rheostat. [0004] The technical solution adopted by the present invention to solve the technical problem is: a sliding rheostat, including a terminal post, a sl...

Claims

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Application Information

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IPC IPC(8): H01C10/38
Inventor 丁瑞荣
Owner CHANGZHOU WUJIN HUARUI ELECTRONICS