Wall surface polishing device for building decoration
By integrating a dust removal system and telescopic support components, the wall sanding device solves the problems of dust pollution and fixed handle length, achieving efficient, environmentally friendly, and comfortable sanding operations.
Patent Information
- Application Number
- CN202511417265.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-30
- Publication Date
- 2026-01-23
AI Technical Summary
Existing wall sanding equipment generates a lot of dust during operation, which endangers the health of construction workers. In addition, the fixed length of the equipment handle cannot be adjusted, resulting in an unnatural operating posture and reduced work efficiency.
The dust removal system uses a hemispherical hood combined with a vacuum pump and filter bags to capture and collect dust at the source. The handle length can be adjusted by a telescopic support component to accommodate operators of different heights.
It effectively reduces dust pollution, protects the health of operators, improves the adaptability and operating comfort of equipment, and enhances work efficiency.
Smart Images

Figure CN121374333A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of building decoration wall polishing, in particular to a wall polishing device for building decoration. BACKGROUND
[0002] In the field of building decoration construction, wall polishing is a crucial and frequent process, and its quality directly affects the flatness and aesthetics of subsequent decoration effects such as paint brushing and wallpaper pasting. Whether it is the basic treatment of new blank wall or the surface removal during old wall renovation, efficient and high-quality polishing work is indispensable.
[0003] Currently, the main wall polishing method widely used in construction sites relies on manual operation of an angle grinder or a special polishing machine. The operator holds the device, makes the polishing disc contact with the wall, and grinds the wall surface with a sandpaper or polishing disc driven by a high-speed motor. Although this traditional operation mode is flexible, it has several significant technical defects and safety hazards.
[0004] First of all, the most prominent problem is the large amount of dust generated during polishing. Wall materials such as putty, plaster, and paint layers will form extremely fine dust particles under high-speed grinding. These particles not only have light weight and fast diffusion speed, but also are easily inhaled into the lungs of the operator. Long-term exposure to such a working environment seriously endangers the respiratory health of construction personnel and can lead to the occurrence of occupational diseases such as pneumoconiosis. At the same time, the pervasive dust also pollutes the entire construction environment, affects the progress of other procedures, and adversely affects the visibility and equipment operation of the construction site.
[0005] Wall polishing work usually needs to be carried out within a certain height range, while the handle length of most polishing devices is fixed and cannot be flexibly adjusted according to the height of the operator, the height of the working wall, and the operating posture, which forces the operator to frequently adopt unnatural postures such as bending, lifting hands, or standing on tiptoe, thereby reducing work efficiency. SUMMARY
[0006] In view of the deficiencies of the prior art, the wall polishing device for building decoration is provided to solve the technical problem that a large amount of dust is generated in the existing polishing process, the wall material (such as putty, gypsum, paint layer, etc.) will form extremely fine dust particles under high-speed grinding, these particles not only have light quality and fast diffusion speed, but also are easily inhaled into the lungs of the operator, long-term exposure to such working environment seriously endangers the respiratory health of the construction personnel, and can cause the occurrence of pneumoconiosis and other occupational diseases, meanwhile, the diffused dust also pollutes the entire construction environment, the wall polishing operation usually needs to be carried out within a certain height range, and the handle length of most polishing equipment is fixed, which cannot be flexibly adjusted according to the height of the operator, the height of the operating wall and the operating posture, which forces the operator to frequently adopt unnatural postures such as bending over, lifting hands or standing on tiptoe, thereby reducing the work efficiency.
[0007] To achieve the above object, the technical scheme is as follows: a wall polishing device for building decoration, comprising a hemispherical cover body, a bottom plate, a filter cloth bag and a box body, the box body is fixedly installed on the upper wall of the bottom plate, the upper wall of the box body is in an open structure, a cover plate is arranged on the upper wall of the box body, a sealing gasket is fixedly installed on the lower wall of the cover plate, a locking assembly is arranged between the cover plate and the box body, a bearing ring is fixedly installed in the box body, the upper wall of the filter cloth bag is in an open structure, an annular limiting plate is fixedly installed on the upper end of the filter cloth bag, the annular limiting plate is in contact with the bearing ring, a vacuum pump is fixedly installed on the outer side wall of the box body, an air inlet pipe is connected between the input end of the vacuum pump and the box body, the air inlet pipe is located below the bearing ring, a flexible conduit is fixedly installed on the other side wall of the box body, the flexible conduit is connected with the hemispherical cover body, a box body is fixedly installed on the outer side wall of the hemispherical cover body, a polishing motor is fixedly installed in the box body, the driving end of the polishing motor penetrates through the hemispherical cover body and is fixedly installed with a polishing disc, a U-shaped plate is hingedly connected between the outer side walls of the box body, and an extension supporting assembly is arranged on the U-shaped plate.
[0008] Preferably, the locking assembly comprises an ear plate, the ear plate is fixedly installed on the front, rear, left and right four walls of the cover plate, guide boxes are fixedly installed on the front, rear, left and right four walls of the box body, guide rails are fixedly installed on the inner side walls of the guide boxes, guide blocks are slidingly installed in the guide rails, shaft rods are fixedly installed on the side walls of the guide blocks, guide openings are formed in the other side walls of the guide boxes, the shaft rods penetrate through the guide openings, limiting blocks are rotatably installed on the shaft rods, recesses are formed in the limiting blocks, the ear plates can be inserted into the recesses, screws are rotatably installed between the upper and lower walls of the guide boxes, the lower ends of the screws are exposed to the guide boxes, threaded holes are formed in the shaft rods, and the screws are engagedly connected in the threaded holes.
[0009] Preferably, a handle is fixedly installed on the lower end of the screw.
[0010] Preferably, the telescopic supporting assembly comprises a bottom cylinder, one end of the bottom cylinder is in an open structure, a moving rod is inserted into the bottom cylinder, one end of the moving rod is exposed outside the bottom cylinder, a lead screw is rotatably installed at the lower end of the bottom cylinder, the lower end of the lead screw is exposed outside the bottom cylinder, a threaded groove is formed on one end of the moving rod in the bottom cylinder, the lead screw is engagedly connected in the threaded groove, four sliding grooves are formed on the four walls in the bottom cylinder respectively, sliding blocks are slidably installed in the sliding grooves, the moving rod is fixedly installed between the sliding blocks, and the upper end of the moving rod is fixedly installed on the U-shaped plate.
[0011] Preferably, a handrail wheel is fixedly installed at the lower end of the lead screw, and a sponge sleeve is fixedly installed on the outer wall of the bottom cylinder.
[0012] Preferably, universal wheels are arranged at the four corners of the lower wall of the bottom plate.
[0013] Beneficial effects The wall polishing device for building decoration has the following advantages: The integrated dust removal system of the "hemispherical cover + vacuum pump + filter bag" is innovatively adopted, the hemispherical cover closely adheres to the wall during polishing operation, the dust generated by the polishing disc is covered in a limited space to form an effective dust capture area, at the same time, the vacuum pump continuously works, the dust-containing airflow in the cover is strongly sucked into the box through the flexible pipe, the dust is efficiently filtered and collected when passing through the filter bag, and the purified air is discharged. In this way, the dust emission rate is reduced to a very low level, the air quality of the construction site is greatly improved, the respiratory system health of the operator is effectively protected, the risk of occupational disease is fundamentally reduced, and the adverse effects of dust on the surrounding environment and equipment are avoided.
[0014] In view of the pain point that the existing dust removal device is complicated to clean, the application designs a unique quick locking assembly and filter bag bearing structure, the filter bag is simply placed on the bearing ring in the box through the annular limiting plate at the upper end, without complex fixing, the cover plate of the box is sealed and fixed through the locking assembly around, when the filter bag needs to be cleaned, only the handle on each guide box needs to be rotated to drive the lead screw to rotate, so that the shaft rod drives the limiting block to rise, the locking of the ear plate of the cover plate is released, then the limiting block is rotated to remove the cover plate, the filter bag is directly taken out for cleaning or replacement, the whole process does not need tools, the operation is simple and fast, the maintenance process is greatly simplified, and the continuity and user experience of equipment use are improved.
[0015] The telescopic supporting assembly is provided with the handrail wheel at the lower end of the bottom cylinder, the screw rod is driven to rotate, the telescopic amount of the moving rod in the bottom cylinder is accurately adjusted, the length of the supporting handle is steplessly adjusted, the handle can be adjusted to the most comfortable operation length for the operators with different heights, the forced postures such as bending and standing on toes for high or low operation are not needed, the fatigue and strain are avoided, the U-shaped plate and the box body are hingedly connected, the polishing head part has a certain pitch adjustment freedom, and the adaptability of the equipment to the wall surface with different angles is further enhanced, and the sponge sleeve wrapped on the outer wall of the bottom cylinder also increases the comfort of hand holding.
[0016] The application effectively solves the problems of serious dust pollution, complicated maintenance and easy fatigue operation in the traditional wall surface polishing operation, integrates high efficiency, environmental protection, convenience and comfort, and significantly improves the modernization level of the building decoration wall surface polishing operation. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 It is a front view structural schematic diagram of the wall surface polishing device for building decoration.
[0018] Fig. 2 It is a locking assembly structural schematic diagram of the wall surface polishing device for building decoration.
[0019] Fig. 3 It is a telescopic supporting assembly structural schematic diagram of the wall surface polishing device for building decoration.
[0020] In the figure: 1, hemispherical cover body; 2, bottom plate; 3, filter cloth bag; 4, box body; 5, cover plate; 6, sealing gasket; 7, bearing ring; 8, annular limiting plate; 9, vacuum pump; 10, air inlet pipe; 11, flexible conduit; 12, box body; 13, polishing motor; 14, polishing disc; 15, U-shaped plate; 16, ear plate; 17, guide box; 18, guide rail; 19, guide block; 20, shaft rod; 21, guide opening; 22, limiting block; 23, groove; 24, screw rod; 25, bottom cylinder; 26, moving rod; 27, lead screw; 28, sliding groove; 29, sliding block; 30, handrail wheel; 31, sponge sleeve; 32, universal wheel. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the application.
[0022] Please refer to Figs. 1-3 The application provides a technical scheme: a wall polishing device for building decoration, comprising a hemispherical cover body 1, a bottom plate 2, a filter cloth bag 3 and a box body 4, the box body 4 is fixedly installed on the upper wall surface of the bottom plate 2, the upper wall surface of the box body 4 is in an open structure, a cover plate 5 is arranged on the upper wall surface of the box body 4, a sealing gasket 6 is fixedly installed on the lower wall surface of the cover plate 5, a locking assembly is arranged between the cover plate 5 and the box body 4, a bearing ring 7 is fixedly installed in the box body 4, the upper wall surface of the filter cloth bag 3 is in an open structure, an annular limiting plate 8 is fixedly installed on the upper end of the filter cloth bag 3, the annular limiting plate 8 is in contact with the bearing ring 7, a vacuum pump 9 is fixedly installed on the outer side wall surface of the box body 4, an air inlet pipe 10 is connected between the input end of the vacuum pump 9 and the box body 4, the air inlet pipe 10 is located below the bearing ring 7, a flexible conduit 11 is fixedly installed on the other side wall surface of the box body 4, the flexible conduit 11 is connected with the hemispherical cover body 1, a box body 12 is fixedly installed on the outer side wall surface of the hemispherical cover body 1, a polishing motor 13 is fixedly installed in the box body 12, the driving end of the polishing motor 13 penetrates through the hemispherical cover body 1 and is fixedly installed with a polishing disc 14, a U-shaped plate 15 is hingedly connected between the outer two side wall surfaces of the box body 12, and an extension supporting assembly is arranged on the U-shaped plate 15.
[0023] In this embodiment, the locking assembly comprises an ear plate 16, the ear plate 16 is fixedly installed on the front, rear, left and right four wall surfaces of the cover plate 5, a guide box 17 is fixedly installed on the front, rear, left and right four wall surfaces of the box body 4, a guide rail 18 is fixedly installed on the inner side wall surface of the guide box 17, a guide block 19 is slidingly installed in the guide rail 18, a shaft rod 20 is fixedly installed on the side wall surface of the guide block 19, a guide opening 21 is formed in the other side wall surface of the guide box 17, the shaft rod 20 penetrates through the guide opening 21, a limiting block 22 is rotatably installed on the shaft rod 20, a groove 23 is formed in the limiting block 22, the ear plate 16 can be inserted into the groove 23, a lead screw 24 is rotatably installed between the upper and lower wall surfaces in the guide box 17, the lower end of the lead screw 24 is exposed to the guide box 17, a threaded hole is formed in the shaft rod 20, and the lead screw 24 is engagedly connected in the threaded hole.
[0024] In this embodiment, the lower end of the lead screw 24 is fixedly installed with a handle.
[0025] The embodiment is further provided with a bottom cylinder 25, one end of which is open, and a moving rod 26 is inserted into the bottom cylinder 25, one end of which is exposed to the outside of the bottom cylinder 25, a lead screw 27 is rotatably installed at the lower end of the bottom cylinder 25, the lower end of the lead screw 27 is exposed to the outside of the bottom cylinder 25, a threaded groove is formed at one end of the moving rod 26 located in the bottom cylinder 25, the lead screw 27 is engaged with the threaded groove, and a sliding groove 28 is formed in each of the four walls of the bottom cylinder 25, a sliding block 29 is slidably installed in the sliding groove 28, and the moving rod 26 is fixedly installed between the sliding blocks 29, and the upper end of the moving rod 26 is fixedly installed on the U-shaped plate 15.
[0026] The embodiment is further provided with a handrail wheel 30 fixedly installed at the lower end of the lead screw 27, and a sponge sleeve 31 fixedly installed on the outer wall of the bottom cylinder 25.
[0027] The embodiment is further provided with a universal wheel 32 at each of the four corners of the lower wall of the bottom plate 2.
[0028] The detailed connection means is a technology known in the art, and the working principle and process are described below.
[0029] In use, according to the height of the wall, the user first rotates the handrail wheel 30, which drives the lead screw 27 to rotate, and because the lead screw 27 is engaged with the threaded groove on the moving rod 26, the rotation of the lead screw 27 has a driving effect on the moving rod 26, the moving rod 26 moves along the sliding groove 28 under the action of the sliding block 29, the total length of the moving rod 26 and the bottom cylinder 25 is adjusted, and the user holding the bottom cylinder 25 can be suitable for the height of the user's body, at this time, the user holds the bottom cylinder 25, places the hemispherical cover 1 on the wall, and makes the polishing disc 14 contact with the wall surface, starts the vacuum pump 9 and the polishing motor 13, the polishing motor 13 drives the polishing disc 14 to rotate and polish the wall surface, the user holds the bottom cylinder 25 and pushes the hemispherical cover 1 to polish the wall surface up and down, the vacuum pump 9 generates suction during the polishing process, and the dust generated during the polishing process is covered by the hemispherical cover 1, at this time, the suction generated by the vacuum pump 9 guides the dust into the box body 4 through the flexible conduit 11, and collects the dust through the filter bag; When the filter bag needs to be cleaned, the handle is rotated at this time, the handle drives the screw rod 24 to rotate, because the screw rod 24 is engaged and connected with the threaded hole on the shaft rod 20, and then the screw rod 24 has a driving effect on the shaft rod 20 when rotating, the shaft rod 20 moves upwards along the path of the guide rail 18 under the action of the guide block 19, and then the limiting block 22 does not pull the ear plate 16 downwards, and the limiting of the ear plate 16 is released, at this time the limiting block 22 is rotated, so that the limiting block 22 is separated from the ear plate 16, the cover plate 5 is opened, and the filter bag is taken off from the bearing ring 7, and then the filter bag is cleaned, after cleaning, the cover plate 5 is covered on the upper wall of the box body 4, the lower wall of the cover plate 5 is fixedly installed with a plug rod, the upper wall of the box body 4 is provided with a plug slot, the cover plate 5 is inserted into the plug slot through the plug rod, so that the cover plate 5 is limited, and the cover plate 5 is prevented from moving, at this time the limiting block 22 is rotated, so that the limiting block 22 is buckled on the ear plate 16, the handle is rotated again, so that the handle drives the screw rod 24 to rotate, the screw rod 24 drives the shaft rod 20 to move downwards, and then the limiting block 22 pulls the ear plate 16 downwards, so that the upper end of the box body 4 is sealed.
[0030] It should be noted that in this text, relational terms such as first and second and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying that there is any such actual relationship or order between such entities or actions.
Claims
1. A wall polishing device for architectural decoration, comprising a hemispherical cover (1), a bottom plate (2), a filter cloth bag (3) and a box (4), characterized in that, The box (4) is fixedly installed on the upper wall of the base plate (2), the upper wall of the box (4) is of an open structure, the upper wall of the box (4) is provided with a cover plate (5), the lower wall of the cover plate (5) is fixedly installed with a sealing gasket (6), the cover plate (5) and the box (4) are provided with a locking assembly, the box (4) is fixedly installed with a bearing ring (7) inside, the upper wall of the filter cloth bag (3) is of an open structure, the upper end of the filter cloth bag (3) is fixedly installed with a ring-shaped limiting plate (8), the ring-shaped limiting plate (8) is in contact with the bearing ring (7), the outer side wall of the box (4) is fixedly installed with a vacuum pump (9), the input end of the vacuum pump (9) is connected with the box (4) through a gas inlet pipe (10), the gas inlet pipe (10) is located below the bearing ring (7), the outer side wall of the box (4) is fixedly installed with a flexible pipe (11), the flexible pipe (11) is connected with the hemispherical cover (1), the outer side wall of the hemispherical cover (1) is fixedly installed with a box body (12), the box body (12) is fixedly installed with a polishing motor (13) inside, the driving end of the polishing motor (13) penetrates through the hemispherical cover (1) and is fixedly installed with a polishing disc (14), the outer side walls of the box body (12) are hingedly connected with a U-shaped plate (15), and the U-shaped plate (15) is provided with a telescopic supporting assembly.
2. A device for finishing a wall according to claim 1, characterized in that The locking assembly comprises an ear plate (16), the ear plate (16) is fixedly installed on the front, rear, left and right four walls of the cover plate (5), guide boxes (17) are fixedly installed on the front, rear, left and right four walls of the box (4), guide rails (18) are fixedly installed on the inner side walls of the guide boxes (17), guide blocks (19) are slidingly installed in the guide rails (18), shaft rods (20) are fixedly installed on the side walls of the guide blocks (19), guide openings (21) are formed in the other side walls of the guide boxes (17), the shaft rods (20) penetrate through the guide openings (21), limiting blocks (22) are rotatably installed on the shaft rods (20), recesses (23) are formed in the limiting blocks (22), the ear plates (16) can be inserted into the recesses (23), lead screws (24) are rotatably installed between the upper and lower walls of the guide boxes (17), the lower ends of the lead screws (24) are exposed to the guide boxes (17), threaded holes are formed in the shaft rods (20), and the lead screws (24) are engagedly connected into the threaded holes.
3. A device for sanding a wall finish according to claim 2, wherein The lower end of the lead screw (24) is fixedly installed with a handle.
4. A device for sanding a wall finish according to claim 1, wherein The telescopic supporting assembly comprises a bottom cylinder (25), one end of which is in an open structure, a moving rod (26) is inserted into the bottom cylinder (25), one end of the moving rod (26) is exposed to the bottom cylinder (25), a lead screw (27) is rotatably installed at the lower end of the bottom cylinder (25), the lower end of the lead screw (27) is exposed to the bottom cylinder (25), a threaded groove is formed in one end of the moving rod (26) located in the bottom cylinder (25), the lead screw (27) is engagedly connected into the threaded groove, four sliding grooves (28) are respectively formed in four wall surfaces of the bottom cylinder (25), sliding blocks (29) are slidably installed in the sliding grooves (28), the moving rod (26) is fixedly installed between the sliding blocks (29), and the upper end of the moving rod (26) is fixedly installed on the U-shaped plate (15).
5. A device for sanding a wall finish according to claim 4, wherein The lower end of the lead screw (27) is fixedly installed with a handrail wheel (30), and the outer wall surface of the bottom cylinder (25) is fixedly installed with a sponge sleeve (31).
6. A device for sanding a wall finish according to claim 1, wherein Universal wheels (32) are arranged at the four corners of the lower wall surface of the bottom plate (2).