Closed electric cylinder

By designing a closed-loop electric cylinder with connecting and sealing components, the complex connection between the ball screw and the servo motor is solved, enabling convenient disassembly and maintenance as well as internal sealing, thereby improving the production and maintenance efficiency of the electric cylinder.

CN224418600UActive Publication Date: 2026-06-26DONGGUAN KELETUO AUTOMATION TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN KELETUO AUTOMATION TECHNOLOGY CO LTD
Filing Date
2025-08-07
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

In existing electric cylinders, the connection structure between the bottom ball screw and the servo motor is complex, which makes disassembly and maintenance inconvenient and manufacturing difficult.

Method used

The enclosed electric cylinder design achieves convenient fixed connection between the ball screw and the servo motor through the matching structure of the connecting column, rectangular rotating shaft and fixing clamp in the connecting assembly, and maintains internal sealing through the sealing assembly.

Benefits of technology

This achieves a stable transmission connection between the ball screw and the servo motor, facilitating the disassembly and maintenance of internal components of the electric cylinder while maintaining the internal sealing of the electric cylinder, thus improving production efficiency and maintenance convenience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224418600U_ABST
Patent Text Reader

Abstract

The utility model discloses a closed electric cylinder, including electric cylinder body, connecting assembly and sealing assembly, the connecting assembly includes the connecting column of ball screw bottom welding, and the rectangular groove and first circular hole that are set up respectively at the bottom and both sides of connecting column, the utility model discloses a closed electric cylinder, the connecting column of ball screw bottom and the rectangular pivot of servo motor upper end, under the clamping of both sides fixed clamps, can carry out convenient fixed connection, and then to ball screw carries out the steady drive, connecting assembly is convenient for electric cylinder body internal component assembly simultaneously, also is favorable to the dismounting overhaul of electric cylinder body internal component damage, the sealing ring of clamping between electric cylinder body bottom and servo motor and the sealing cover of electric cylinder body top sleeve outer end installation, also can keep servo motor, sleeve and the connecting sealing property between electric cylinder body, and then keep the closure of electric cylinder body inside to the outside world.
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