Wall surface scraper for building decoration

By designing an inverted V-shaped scraper and an automatic feeding system for the wall scraper, the problems of inconvenient operation and repeated bending over in curved transition structures have been solved, achieving convenience and continuity in wall scraping.

CN224016712UActive Publication Date: 2026-03-20GUOKUN CONSTR ENG (BEIJING) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing wall scrapers are inconvenient to operate when handling curved transition structures, increasing the labor intensity of workers and requiring them to repeatedly bend over to pick up materials, which makes operation inconvenient.

Method used

A wall scraper was designed, which includes a scraper, a support rod, a handle, and a feeding mechanism. The scraper adopts an inverted V-shaped structure and is equipped with an automatic feeding system. It is connected to the putty delivery pump through the feeding mechanism to realize automatic feeding and reduce the need for workers to repeatedly bend over.

Benefits of technology

It improves the ease of operation for curved wall transitions, reduces the labor intensity of workers, and enhances the continuity and smoothness of wall scraping.

✦ Generated by Eureka AI based on patent content.

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Abstract

The wall surface scraper for building decoration comprises a scraper blade, a supporting rod, a handle and a feeding mechanism, the supporting rod is fixedly connected to the middle of the upper wall of the scraper blade, the handle is fixedly connected to the upper portion of the supporting rod, and the feeding mechanism is arranged on the upper wall of the scraper blade and penetrates through the scraper blade to feed materials to the bottom of the scraper blade. The utility model belongs to the technical field of wall surface smearing equipment, and particularly relates to a wall surface scraper for building decoration, which is used for scraping materials for wall surfaces of building decoration, reducing the labor intensity of workers during wall surface scraping and improving the scraping convenience of convex arc-shaped structures of the wall surfaces.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to wall surface smearing equipment technical field, especially relate to wall surface scraping device for building decoration. BACKGROUND

[0002] The wall surface scraping device is used to fill surface defects and level the wall surface.

[0003] With the structural optimization and aesthetic appearance of indoor wall design, the transition position between walls often adopts an arc transition, and the flat scraping device is not convenient for scraping and smearing of the arc convex structure, which requires the technical skills of workers, increasing the labor intensity. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem of reducing the labor intensity of workers when scraping the wall surface and improving the scraping convenience of the convex arc structure of the wall surface.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a wall surface scraping device for building decoration, comprising a scraper, a supporting rod, a handle and a feeding mechanism, the supporting rod is fixedly connected to the middle of the upper wall of the scraper, the handle is fixedly connected to the upper part of the supporting rod, the feeding mechanism is arranged on the upper wall of the scraper and penetrates the scraper to feed the material to the bottom of the scraper.

[0006] Further, the middle of the scraper is provided in an upwardly convex inverted V shape, the two inclined edges of the upwardly convex scraper form an angle of 90 degrees, and the angle between the adjacent inclined edges is provided in an arc transition.

[0007] Further, the inclined surface of the middle of the scraper is provided with a through hole, the through holes are arranged in a uniform interval in a symmetrical distribution, and the center axes of the symmetrical through holes are arranged in a vertical manner.

[0008] Further, the feeding mechanism comprises a connecting box and a feeding pipe, the connecting box is fixedly connected to the inclined surface of the upper wall of the scraper, the connecting box is symmetrically arranged around the supporting rod, and one end of the feeding pipe is connected to one end of the connecting box.

[0009] Further, a rubber valve is arranged in the through hole, and the through hole is connected to the inside of the connecting box.

[0010] Further, the handle is fixedly connected to a limiting ring at one end close to the feeding pipe, the other end of the feeding pipe is arranged through the limiting ring, and the other end of the feeding pipe is externally connected to a putty conveying pump.

[0011] The beneficial effects of this utility model after adopting the above structure are as follows: For wall scraping in building decoration, an automatic feeding hand-held scraper is used. The feeding mechanism is connected to an external putty delivery pump to feed the material in the direction of movement of the wall scraper, reducing the process of workers repeatedly bending over to pick up the material. At the same time, the scraper adopts an upward-bending inverted V-shaped structure, which facilitates the scraping treatment of convex arc surfaces and improves the ease of operation for the arc transition at the corner of the wall. Attached Figure Description

[0012] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0013] Figure 1 This is a schematic diagram of the overall structure of the wall scraper for building decoration proposed in this utility model.

[0014] Figure 2 This is a schematic diagram of the internal structure of the wall scraper for building decoration proposed in this utility model;

[0015] Figure 3 This is a half-sectional view of the wall scraper for building decoration proposed in this utility model;

[0016] Figure 4 This is a schematic diagram of the through-hole structure of the wall scraper for building decoration proposed in this utility model;

[0017] Figure 5 for Figure 2 Enlarged view of part A.

[0018] In the attached diagram: 1. Scraper, 2. Support rod, 3. Handle, 4. Feeding mechanism, 5. Through hole, 6. Connecting box, 7. Feeding pipe, 8. Rubber valve, 9. Limiting ring. Detailed Implementation

[0019] like Figures 1-5 As shown, a wall scraper for building decoration includes a scraper 1, a support rod 2, a handle 3, and a feeding mechanism 4. The support rod 2 is fixedly connected to the middle of the upper wall of the scraper 1, and the handle 3 is fixedly connected to the upper part of the support rod 2. The feeding mechanism 4 is located on the upper wall of the scraper 1 and passes through the scraper 1 to feed material to the bottom of the scraper 1. The scraper 1 can be picked up by the handle 3, and the feeding mechanism 4 is connected to an external putty delivery pump to feed material to the side of the scraper 1 that is in contact with the wall, thereby improving the continuity of wall scraping.

[0020] like Figures 2-4As shown in the drawings, in order to realize the operation convenience of the scraper 1 to lift the arc transition of the corner connection of the wall surface, the middle of the scraper 1 is provided in an upward convex inverted V shape, the two inclined edges of the scraper 1 are upward convex and the included angle is 90 degrees, and the included angle of the adjacent inclined edges is provided in an arc transition, the middle of the side of the scraper 1 close to the wall surface is provided in an upward convex concave shape, the wall corner is scraped by the symmetric inclined edges and the arc transition, the wall corner is close to the concave middle of the scraper 1, and the operation convenience of the arc transition of the wall surface is improved.

[0021] As shown in the drawings, Figures 1-5 In order to automatically supplement the feeding of the side of the scraper 1 close to the wall surface when scraping the wall surface, the inclined surface of the middle of the scraper 1 is provided with a through hole 5, the through hole 5 is provided in a symmetric and uniformly spaced arrangement, and the center axis extension lines of the symmetry are provided in a vertical arrangement.

[0022] The feeding mechanism 4 comprises a connecting box 6 and a feeding pipe 7, the connecting box 6 is fixedly connected to the inclined surface of the upper wall of the scraper 1, the connecting box 6 is provided in a symmetric distribution around the support rod 2, one end of the feeding pipe 7 is communicated with one end of the connecting box 6, a rubber valve 8 is arranged in the through hole 5, the through hole 5 is communicated with the inside of the connecting box 6, the feeding pipe 7 is connected with a putty conveying pump, the putty is sent into the connecting box 6 through the feeding pipe 7, and then the putty is extruded out through the through hole 5, the side of the scraper 1 close to the wall surface is continuously fed, and the rubber valve 8 provides a certain pressure for the extruded putty.

[0023] The handle 3 is fixedly connected with a limiting ring 9 close to one end of the feeding pipe 7, the other end of the feeding pipe 7 penetrates through the limiting ring 9, and the other end of the feeding pipe 7 is connected with the putty conveying pump, the putty conveying pump can adopt a plunger pump or a diaphragm pump, and the limiting ring 9 is used for limiting the feeding pipe 7 to avoid affecting the flatness of the wall surface during scraping.

[0024] In specific use, the operator holds the handle 3, connects the putty conveying pump with the feeding pipe 7 through the limiting ring 9, forms a certain angle between the scraper 1 and the wall surface during wall scraping, starts the putty conveying pump, sends the putty into the connecting box 6 through the feeding pipe 7, extrudes the putty out through the through hole 5, continuously feeds the side of the scraper 1 close to the wall surface, and provides a certain pressure for the extruded putty through the rubber valve 8, the extruded putty is applied to the wall surface through the movement of the scraper 1, the flatness of the wall surface is improved, and the process of repeatedly bending to take material by the worker is reduced during scraping the wall surface by the scraper 1.

[0025] Meanwhile, the upward convex structure in the middle of the scraper 1 is provided in a concave shape close to the side of the wall surface, the outward convex arc surface of the corner connection of the wall surface is scraped, and the operation convenience of the arc transition of the corner connection of the wall surface is improved.

[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents. In general, if a person skilled in the art is inspired by the present application, without departing from the purpose of the present application, without creative design, similar structure and embodiments of the technical scheme should belong to the protection scope of the present application.

Claims

1. A wall scraper for building decoration, characterized in that: It includes a scraper, a support rod, a handle, and a feeding mechanism. The support rod is fixedly connected to the middle of the upper wall of the scraper, the handle is fixedly connected to the upper part of the support rod, and the feeding mechanism is located on the upper wall of the scraper and feeds material through the scraper to the bottom of the scraper. The scraper is shaped like an inverted V with an upward convexity in the middle. The angle between the two upward convex sides of the scraper is 90 degrees, and the angle between adjacent sides is arc-shaped.

2. The wall scraper for building decoration according to claim 1, characterized in that: The scraper has through holes on its inclined surface in the middle. The through holes are arranged in a symmetrical and evenly spaced manner, and the extension lines of the central axes of the symmetrical through holes are arranged perpendicularly.

3. The wall scraper for building decoration according to claim 1, characterized in that: The feeding mechanism includes a connecting box and a feeding pipe. The connecting box is fixedly connected to the inclined surface of the scraper wall. The connecting boxes are symmetrically distributed around the support rod. One end of the feeding pipe is connected to one end of the connecting box.

4. The wall scraper for building decoration according to claim 2, characterized in that: A rubber flap is provided inside the through hole, and the through hole is connected to the inside of the connecting box.

5. The wall scraper for building decoration according to claim 1, characterized in that: The handle is fixedly connected to a limit ring at one end near the feed pipe, and the other end of the feed pipe passes through the limit ring and is externally connected to a putty conveying pump.