Hangzhou Zhongtian door control equipment has obtained the patent for the curved arm door opener, which can control the door switch more accurately to improve the use effect and safety.

According to news from the financial industry on December 19, 2024, information from the State Intellectual Property Office shows that Hangzhou Zhongtian Door Control Equipment Co., Ltd. has obtained a patent called \”Arctic Arm Door Opener\”, and the authorization announcement No. CN 222162335 U, application date is May 2024.

The patent abstract shows that the utility model provides a curved arm door opener, which belongs to the technical field of door openers. It includes a mounting base, a crank arm is provided on the mounting base, the crank arm and the mounting base are connected through a rotation drive assembly, a step is provided on the turntable side of the crank arm, and micro switches are provided on both sides of the step. There is at least one touch piece distributed around the rotation center of the turntable that can cooperate with the micro switch, and a rotation stroke adjustment component is provided between the touch piece and the turntable. When the touch piece touches the micro switch, the crank arm can immediately stop swinging. This accuracy allows the closing and opening process of the door to be more accurately controlled, thereby improving the use effect and safety of the door; when the door is closed Or the rotation angle and speed during the opening process can be flexibly adjusted to meet the needs of different usage scenarios or adapt to door bodies of different sizes; the crank arm has a secondary stop function, which increases the safety and reliability of use.

This article comes from the financial world