Adjustable resistor

By employing multiple resistors with different resistance values ​​and sliding components in the adjustable resistor design, the problems of inaccurate resistance adjustment and cumbersome operation are solved. This achieves precise segmented resistance adjustment and simplifies operation, improving the stability and convenience of the circuit.

CN224355057UActive Publication Date: 2026-06-12SHENZHEN YEZHAN ELECTRONICS
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Patent Information

Application Number
CN202521211958.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-13
Publication Date
2026-06-12
Estimated Expiration
2035-06-13

AI Technical Summary

Technical Problem

Existing adjustable resistors struggle to balance the accuracy of resistance adjustment with ease of operation. Sliding resistors suffer from signal errors and mechanical wear issues, while the method of removing and replacing the resistor element is cumbersome and affects circuit reliability.

Method used

An adjustable resistor is designed, which uses multiple resistors with different resistance values. The resistance value can be precisely adjusted in segments through the cooperation of a slider and a longitudinal connecting body. The slider can select and connect different resistors, avoiding contact wear of traditional sliding resistors, and the plug-in installation simplifies the operation.

Benefits of technology

It enables precise segmented adjustment of resistance value, simplifies the operation process, improves ease of use and circuit stability, and avoids the inconvenience caused by mechanical wear and disassembly/replacement of traditional resistors.

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Abstract

The utility model discloses an adjustable resistor which comprises a shell, a first connecting part, a second connecting part, a sliding piece and an external connecting wire, a plurality of resistor bodies which have different resistance values and are arranged at intervals in the front-back direction are arranged in the shell, and the second connecting part is provided with a plurality of connecting bodies which are distributed at intervals in the longitudinal direction and are connected with the resistor bodies in a one-to-one correspondence mode. The sliding piece is installed on the shell in a sliding mode in the longitudinal direction and is selectively and correspondingly connected with one of the connecting bodies. According to the utility model, the resistor bodies connected to the circuit can be quickly switched by selecting and connecting different connecting bodies in a sliding manner through the sliding piece, so that the sectional accurate adjustment of the resistance value is realized, the problem of inaccurate adjustment of the traditional sliding resistor is solved, and meanwhile, the adjustment is completed only through simple sliding action without disassembling the shell or manually replacing the resistor bodies; the operation process is greatly simplified, and the use convenience is improved.
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