Manual wall painting machine

Abstract

The invention discloses a manual wall painting machine which comprises a three-way pipe, a fixed handle and a regulating handle, wherein the three-way pipe is respectively connected with a roller, a non-return valve and one end of a liquid absorption cylinder; a movable pull rod is arranged in the liquid absorption cylinder; the front end of the movable pull rod is provided with a gland cover of which the inner diameter corresponds to that of the liquid absorption cylinder; the other end of the liquid absorption cylinder is connected with one end of the fixed handle; a cavity is arranged in the fixed handle; a boosting block, an elastic device and a baffle are arranged in the cavity; the regulating handle is sheathed on the boosting block; the other end of the fixed handle is rotatably connected with the outer wall of the regulating handle; the inner wall of the regulating handle is provided with a convex slide block; the boosting block is provided with an oblique cambered surface matching the slide block; the movable pull rod extends outwards after penetrating through the fixed handle, the boosting block and the regulating handle; the movable pull rod is provided with a rack; and the inner wall of the boosting block is provided with a convex buckle matching the rack. The invention has the advantages of uniform feeding, high feeding speed and labor saving, and the movable pull rod can automatically lock and can not retract after finishing feeding.

Description

technical field [0001] The invention relates to a wall brushing machine, in particular to a manual wall brushing machine. Background technique [0002] Manual wall brushing machine is suitable for large-scale construction, such as the wall part of the aisle and stairs of the house. Since the decoration requirements for this part of the wall are not high, a manual wall brushing machine with high efficiency is usually used. to paint the walls. The manual wall brushing machine needs to pull the movable pull rod to make the suction pipe to replenish the paint. The suction pipe passes through the one-way valve in the manual wall brushing machine. At this time, the one-way valve is opened for washing liquid. When the valve is closed, the paint will not leak. When brushing, the paint is extruded onto the roller through the hollow pipe of the tee pipe by pushing the movable pull rod. [0003] The pull rod structure is common in manual roller coating machines at present, that is, ...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a manual wall brushing machine, which can effectively solve the problems of uneven feeding and slow screw feeding speed of the existing manual roller coating machine with pull rod mechanism

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