A retractable putty knife for object surface cleaning

Abstract

The invention discloses a telescopic type putty knife for cleaning the object surface. The telescopic type putty knife comprises a knife cylinder and a knife cover fixedly installed at the front end of the knife cylinder. A knife body is inserted in the knife cover. A top column is arranged at the rear end of the knife body. A top block is arranged at the rear end of the top column. An elliptic wheel is installed on the rear end face of the top block in a rolling mode and is fixedly installed on a rotating shaft. The two ends of the rotating shaft are inserted in the two inner walls of the knife cylinder and are in rolling connection with the knife cylinder. The two ends of the side face of the rotating shaft are fixedly provided with driven bevel gears. The side faces of the driven bevelgears are meshed and connected with driving bevel gears. The telescopic type putty knife has the advantages that the automatic reciprocating of the putty knife can be realized, sundries on the objectsurface are scrapped off, there is no need to push the putty knife to reciprocate on a wall surface with force, time and labor are saved, the sundry scrapping speed is high, efficiency is high, and practicability is high.

Description

technical field [0001] The invention relates to the field of paint accessories tools, in particular to a telescopic putty knife for object surface cleaning. Background technique [0002] Putty knife, also known as scraper, is a hand tool often used by painters. It is easy to use and can be scraped, shoveled, painted, filled, and widely used in construction and life. [0003] At present, when using a putty knife to remove sundries on the wall, the user generally needs to hold the handle of the putty knife tightly, and then forcefully push the putty knife to move repeatedly on the wall to scrape off the sundries. If the sundries are stuck firmly , it takes a long time to scrape off the sundries, which is time-consuming and laborious, and the practicability is not strong. Contents of the invention [0004] The purpose of the present invention is to provide a telescopic putty knife for object surface cleaning in order to solve the above problems, to solve the problem that tra...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a telescopic putty knife for object surface cleaning in order to solve the above problems, to solve the problem that traditional putty knives in the prior art are not suitable for scraping the sundries on the surface of objects such as walls. Time-consuming and labor-intensive, poor practicality and other issues

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