Iron core rebounding device of LVDT (Linear Variable Differential Transformer) displacement sensor

• Main Authors: YANG FASHAN, JIN JUNBO, TAN WEISEN
• Format: Patent
• Language: Chinese; English
• Published: 19.04.2022
• Subjects: ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS; MEASURING; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR; PHYSICS; TARIFF METERING APPARATUS; TESTING

The utility model discloses an LVDT displacement sensor iron core rebounding device which comprises a metal pipe, a pull rod and an iron core, the iron core and the pull rod are connected and form a moving shaft, the other end of the metal pipe is provided with a circular counter bore, a concentric ring with a through hole is arranged in the circular counter bore, and the moving shaft penetrates through the concentric ring from one end of the metal pipe and extends out of the other end of the metal pipe. The metal pipe is arranged in an inner hole of the sensor, the pipe diameter of the metal pipe is consistent with the diameter of the inner hole of the sensor, and the axes of the iron core, the metal pipe and the pull rod are located on the same straight line. According to the utility model, the metal tube, the pull rod and the iron core form a springback device of the sensor, the concentric ring and the circular counter bore are arranged, so that the whole formed by the pull rod and the iron core and the me