Stroke detection mechanism

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By using elastic segments to connect the magnet parts and the transmission rod in the stroke detection mechanism of the tubular motor, the problem of installing bolts in the prior art is solved, and a more efficient production process and a more compact structural design are achieved.

CN222671087UActive Publication Date: 2025-03-25XIJIA (ZHEJIANG) INTELLIGENT TECHNOLOGY CO LTD

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Patent Information

Application Number: CN202421444682.0
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-06-24
Publication Date: 2025-03-25
Estimated Expiration: 2034-06-24

Application Information

Patent Timeline

24 Jun 2024

Application

CN202421444682.0

25 Mar 2025

Publication

CN222671087U

IPC: G01D5/14

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Application Domain

Converting sensor output electrically/magnetically

Technology Topics

Magnetic poles Electric machinery

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AI Technical Summary

Technical Problem

In existing tubular motors, bolts are required to install the stroke head, which leads to a long installation time and increases the use of bolt parts.

Method used

A stroke detection mechanism is designed to connect the magnet part and the transmission rod by using elastic segments in the transmission assembly, thereby avoiding dependence on bolts, and the installation and transmission connection of the magnet part are realized.

Benefits of technology

This design improves production efficiency, reduces the use of bolted parts, and is compact in structure and takes up less space.

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Abstract

The utility model relates to the technical field of tubular motors, and discloses a stroke detection mechanism, which is characterized in that the stroke detection mechanism comprises an outer tube, an end cover and a sleeve rotatably connected to the end cover, a control panel is arranged in the outer tube, two Hall sensors are arranged on the control panel, a magnet is arranged between the two Hall sensors, and the magnet is arranged in the outer tube. In the rotating process of the magnet piece, stroke detection of the Hall sensor on the magnet piece in the rotating process is achieved relative to the change of the magnetic pole sensed by the Hall sensor, and therefore the rotating stroke of the transmission pipe is obtained. The two elastic sections have the elastic deformation capacity, installation of the magnet part is facilitated, the magnet part is installed through external force, the elastic sections deform, and installation can be completed; through the arrangement of the elastic section, the connection between the magnet piece and the transmission rod does not need other parts, the production efficiency is improved, and the use of bolt parts is reduced.

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