A built-in remote control limit device

Abstract

Disclosed is an internal remote control limiting device. After radio wave transmitted by a transmitter is received by a receiving device, the limiting device can be controlled to rotate positively or reversely or stopped to adjust the height of a curtain and position the curtain at any time. A sleeve copper bar can be adjusted to ascend or descend through a worm-and-gear, and a gear sleeve and a motor synchronously rotate leftwards or rightwards to open or normally close a micro switch so as to lift a shutter screen and a roller shutter door to a required position, so that the shortages of labor and time consuming, operational inconvenience, time wasting and unattractiveness can be avoided, and the requirement of people on use convenience is met.

Description

technical field

[0001] The invention relates to a built-in remote control limiting device. Background technique

[0002] Due to the progress of the times, the rapid development of industry and commerce, and the continuous improvement of people's quality of life, the requirements for the use of products have also been relatively improved. Therefore, in today's environment, when an item is purchased by consumers, in addition to the requirement of conforming to economic principles and the basic functions of the item, the consumer also pays more attention to the aesthetics, environmental protection, practicality and economy of the item. In our daily life, electric curtains, electric rolling screens and electric rolling doors are often used by us, but most of them are labor-intensive and time-consuming, inconvenient to operate, time-consuming and unsightly, and cannot meet the needs of users.

[0003] In light of this, in view of the electric curtains, electric rolling screens a...

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