螺纹空压升起支撑器

By designing a threaded pneumatic lifting support device and using a piston to control the sequence of the extension and clamping actions of the support rod, the problem of chaotic action sequence in traditional pneumatic support cylinders is solved, and effective support of the workpiece is achieved.

CN224513090UActive Publication Date: 2026-07-17ZHEJIANG MINTAI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG MINTAI TECH CO LTD
Filing Date
2025-08-05
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional pneumatic support cylinders cannot achieve a clear sequence between the extension and clamping actions, resulting in the clamping action starting before the support rod is in contact with the workpiece, thus failing to effectively support the workpiece.

Method used

A threaded pneumatic lifting support was designed. The extension and clamping actions of the support rod are controlled by the movement of the piston, ensuring that the extension action precedes the clamping action. The orderly execution of the actions is achieved by utilizing the gas channel and annular gap.

Benefits of technology

This ensures the orderly execution of the support rod extension and clamping actions, preventing misoperation of the clamping action when the support rod is not in contact with the workpiece, and ensuring effective support for the workpiece.

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Abstract

本实用新型提供一种螺纹空压升起支撑器,包括外壳、支撑杆,外壳内设有内腔,外壳的上端设有导向孔,支撑杆从导向孔中穿过;外壳的下端设有缸体,缸体中设有活塞腔,活塞腔中设有活塞,活塞腔的上端设有弹簧腔,活塞与弹簧腔的上端之间设有活塞复位弹簧;活塞杆与支撑杆之间弹性连接;支撑杆的外侧设有抱紧套,抱紧套的外侧设有锁紧套,锁紧套与抱紧套之间设有钢珠;锁紧套的上端与内腔的上端之间形成锁紧气压腔,锁紧套的外侧与内腔的侧壁之间形成环隙;缸体上设有气体通道。气压支撑器在工作时,活塞先移动至活塞腔的上端位置以使支撑杆完成伸出动作后气体通道才会与第一腔体区域连通并启动抱紧动作,使伸出动作与抱紧动作有序进行。
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