Intelligent wall painting device for building

The design of detachable brush head and threaded drive extension rod solves the problems of inconvenient brush head replacement and height adjustment, thus improving construction efficiency and painting effect.

CN224379340UActive Publication Date: 2026-06-19YAHENG CONSTRUCTION GROUP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YAHENG CONSTRUCTION GROUP CO LTD
Filing Date
2025-02-08
Publication Date
2026-06-19

AI Technical Summary

⚠Technical Problem

The existing painting equipment has inconvenient brush head replacement and cannot be adjusted according to the height of the wall, resulting in reduced painting effect and waste of resources.

⚗Method used

It features a detachable brush head design and a threaded drive extension rod structure, enabling quick brush head replacement and height adjustment through snap-fit ​​and threaded connection.

🎯Benefits of technology

It enables quick replacement and height adjustment of the paint brush head, improving construction efficiency and painting effect while reducing resource waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of painting equipment technology and discloses an intelligent construction wall painting device, including a handle. A fixed rod is rotatably connected to the upper surface of the handle. A painting mechanism is provided inside the fixed rod. The painting mechanism includes an extension rod, a limiting block, a brush head, a limiting groove, a threaded rod, a hollow column, a sliding groove, two springs, two fixing plates, a collar, two round holes, two balls, and two locking holes. The threaded rod is fixedly installed on the upper surface of the handle. The two limiting grooves are formed in the inner wall of the fixed rod. The extension rod is threaded onto the outer surface of the threaded rod. This intelligent construction wall painting device allows the brush head to be installed by a snap-fit ​​method, facilitating brush head replacement. Compared with the traditional method of fixing the brush head to the support rod, this method provides a replaceable brush head. If the brush head is damaged during wall painting, it can be replaced in time, improving construction efficiency and convenience.
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