Wall surface grinding machine for building construction
By designing a wall grinder with adjustable length and angle, the problem of flexibly adjusting in the prior art is solved, and the convenience of high-altitude polishing and the cleanliness of the construction environment are achieved.
Patent Information
- Application Number
- CN202422206870.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-10
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-09-10
AI Technical Summary
The existing wall grinder for building construction cannot adjust the length according to actual conditions, resulting in the need to use external equipment when polishing high walls, which is inconvenient to use.
A wall grinder including protective housing, connecting rod, telescopic rod, adjustment shaft and connecting frame is designed. Through the cooperation of these components, flexible adjustment of device length and angle is achieved. It is equipped with telescopic rod, grip, air pump and dust bucket for easy grinding and dust collection at high places.
It enables flexible adjustment of the length and angle of the grinder without the need for external equipment, improves the convenience of use, and keeps the construction environment clean through the dust collection system.
Smart Images

Figure CN223160626U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wall grinding equipment, and particularly relates to a wall grinding machine for building construction. Background Technique
[0002] A wall grinding machine is an electric tool used for wall grinding, polishing and treatment, and is widely used in fields such as building decoration and home renovation. The wall grinding machine grinds the wall through a high-speed rotating sandpaper or grinding wheel to remove the unevenness, old coating or stains on the wall, making the wall smoother and finer, and facilitating the subsequent construction of paint.
[0003] Chinese Patent Publication No. CN212071341U discloses a wall grinding machine for building construction, including a grinding machine housing, a motor, a dust suction pipe, a grinding disc and an inner cavity. A grinding disc is arranged at the center of the front end inside the grinding machine housing, an inner cavity is arranged inside the grinding machine housing, a motor is welded at the rear end of the grinding machine housing, a dust suction pipe is fixedly connected to the bottom end of the grinding machine housing through a conduit, and a micro air pump is arranged at the connection between the grinding machine housing and the dust suction pipe. The utility model provides a wall grinding machine for building construction. The grinding discs are arranged in a crescent-shaped ring on the grinding disc, and the grinding discs have a height of 1 mm. When the grinding disc rotates clockwise for grinding, the dust will move towards the center of the grinding disc by the action of centrifugal force due to the crescent-shaped arrangement of the grinding discs, and smoothly enter the collection tank, reducing the dust content in the air of the working environment and providing a good working environment for the grinding workers.
[0004] However, when this utility model is actually used, the following problems exist;
[0005] When in use, it is necessary for the staff to hold the equipment to grind the wall. When encountering a high position on the wall, the staff needs to stand on the upper end of an external heightening device to be able to grind the wall. The existing device cannot adjust the length of the equipment according to the actual situation to make it reach a suitable length. Content of the Utility Model
[0006] (1) Technical Problems to be Solved
[0007] In order to overcome the above-mentioned defects of the prior art, the utility model provides a wall grinding machine for building construction, which solves the problem that when in use, it is necessary for the staff to hold the equipment to grind the wall. When encountering a high position on the wall, the staff needs to stand on the upper end of an external heightening device to be able to grind the wall. The existing device cannot adjust the length of the equipment according to the actual situation to make it reach a suitable length as mentioned in the above background technique.
[0008] (2) Technical Solutions
[0009] To achieve the above objectives, the present utility model is realized through the following technical solutions: A wall grinding machine for building construction, comprising a protective shell and a connecting rod. One side of the connecting rod is inserted with a telescopic rod for adjustment. One end of the connecting rod is clamped with an adjustment shaft for rotation. The lower end of the adjustment shaft is clamped with a connecting frame for positioning. The lower end of the connecting frame is fixedly connected with a box cover for sealing. The upper end of the protective shell is fixedly connected with a placement box for storage. The upper end of the placement box is clamped with the lower end of the box cover.
[0010] Preferably, one end of the telescopic rod is fixedly connected with a grip for limiting, and the outer surface of the grip is sleeved with a rubber sleeve for anti-slip.
[0011] Preferably, the side of the placement box is provided with an air outlet for heat dissipation, and the inner wall of the air outlet is fixedly connected with a filter screen for filtering.
[0012] Preferably, the inner bottom wall of the placement box is bolted with a motor, and the output end of the motor is threadedly connected with a positioning frame for limiting.
[0013] Preferably, the lower end of the positioning frame is bolted with a turntable for grinding, and the upper end of the positioning frame is provided with a connection hole for positioning.
[0014] Preferably, the side of the connecting frame is inserted with a rotating shaft for connection, and one end of the rotating shaft is threadedly connected with a nut for fastening.
[0015] Preferably, the upper end of the protective shell is inserted with a pipeline for transmission, and one end of the pipeline is threadedly connected with an air extraction pump.
[0016] Preferably, the lower end of the air extraction pump is bolted with a dust bucket for storage, and the lower end of the dust bucket is fixedly connected with universal wheels for movement.
[0017] (III) Beneficial effects
[0018] The present utility model provides a wall grinding machine for building construction, having the following beneficial effects:
[0019] For this wall grinding machine for building construction, through the combined setting of the connecting rod and the telescopic rod, when the staff uses the device to grind the wall, it can more conveniently adjust the telescopic rod inserted inside the connecting rod according to the actual situation, so that the length of the device reaches a suitable position. Furthermore, it is convenient for the staff to grind the higher parts of the wall without relying on external equipment, further improving the practicality of the device and avoiding the situation that the length of the device is fixed and external equipment is needed during grinding. At the same time, by means of the combined setting of the connecting frame and the adjustment shaft, the angle of the protective shell can be more conveniently adjusted to reach a suitable position. Description of the Drawings
[0020] Figure 1 This is a schematic structural diagram of the present utility model;
[0021] Figure 2 This is a schematic structural diagram of the protective shell of the present utility model;
[0022] Figure 3 This is a schematic structural diagram of the connecting rod of the present utility model;
[0023] Figure 4 This is a schematic structural diagram of the dust bin of the present utility model.
[0024] In the figure: 1, protective shell; 2, connecting rod; 3, telescopic rod; 4, adjusting shaft; 5, connecting frame; 6, box cover; 7, placement box; 8, handle; 9, air outlet; 10, motor; 11, positioning frame; 12, turntable; 13, rotating shaft; 14, nut; 15, pipeline; 16, air pump; 17, dust bin; 18, universal wheel. Detailed Implementation Modes
[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0026] Embodiment 1;
[0027] Please refer to Figures 1 to 4 , in order to facilitate the staff to hold the device, the present utility model provides a technical solution: a wall grinding machine for building construction, which is mainly applied to the scenario of grinding the wall. It includes a protective shell 1 and a connecting rod 2. One side of the connecting rod 2 is inserted with a telescopic rod 3 for adjustment. One end of the telescopic rod 3 is fixedly connected with a handle 8 for limiting. The outer surface of the handle 8 is sleeved with a rubber sleeve for anti-slip. One end of the connecting rod 2 is clamped with an adjusting shaft 4 for rotation. The lower end of the adjusting shaft 4 is clamped with a connecting frame 5 for positioning. One side of the connecting frame 5 is inserted with a rotating shaft 13 for connection. One end of the rotating shaft 13 is threadedly connected with a nut 14 for fastening. With the setting of the handle 8, a holding point is provided for the operator, facilitating the control of the movement and angle adjustment of the device. At the same time, the rubber sleeve increases the comfort and anti-slip property of the holding. With the setting of the rotating shaft 13, it is possible to more conveniently limit and connect the adjusting shaft 4 inserted inside the connecting frame 5. Through the setting of the nut 14, one end of the adjusting shaft 4 can be fixed, avoiding the problem of the adjusting shaft 4 falling off from inside the connecting frame 5;
[0028] Embodiment 2;
[0029] Please refer to Figures 1 to 4 , in order to collect the dust generated during the grinding process more conveniently, a box cover 6 for sealing is fixedly connected to the lower end of the connecting frame 5. A pipe 15 for transmission is inserted into the upper end of the protective shell 1. One end of the pipe 15 is threadedly connected to an air extraction pump 16. The lower end of the air extraction pump 16 is bolted to a dust bucket 17 for storage. The lower end of the dust bucket 17 is fixedly connected to a universal wheel 18 for movement. With the arrangement of the pipe 15, it is used to transmit the dust and debris generated during the grinding process, and is connected to the air extraction pump 16. The air extraction pump 16 provides suction to suck the dust and debris into the dust bucket 17 to keep the construction environment clean. With the arrangement of the dust bucket 17 and the universal wheel 18, it is used to store the collected dust and debris for subsequent cleaning. The universal wheel 18 provides mobility, enabling the dust bucket 17 to be easily moved;
[0030] Embodiment Three;
[0031] Please refer to Figures 1 to 4 , in order to drive the turntable 12 to rotate more conveniently, a placement box 7 for storage is fixedly connected to the upper end of the protective shell 1. An air outlet 9 for heat dissipation is provided on the side of the placement box 7. A filter screen for filtering is fixedly connected to the inner wall of the air outlet 9. The inner bottom wall of the placement box 7 is bolted to a motor 10. The output end of the motor 10 is threadedly connected to a positioning frame 11 for limiting. The lower end of the positioning frame 11 is bolted to a turntable 12 for grinding. A connection hole for positioning is provided at the upper end of the positioning frame 11. The upper end of the placement box 7 is snap-connected to the lower end of the box cover 6. With the arrangement of the air outlet 9, it is convenient to discharge the heat generated by the motor 10 to prevent overheating. The filter screen is used to filter the dust and impurities entering the placement box 7 to protect components such as the motor 10. With the arrangement of the motor 10, it provides power to drive the turntable 12 to rotate and grind the wall surface. With the arrangement of the positioning frame 11, the connection between the motor 10 and the turntable 12 can be made more stable.
[0032] All the electrical components mentioned in this article are electrically connected to an external main controller and 220V mains power, and the main controller can be a conventional known device such as a computer for control.
[0033] In the present utility model, the working steps of the device are as follows:
[0034] First, place the dust bin 17 in a suitable position to ensure that the universal wheels 18 can move freely. According to the height of the wall surface to be polished, adjust the length of the connecting rod 2 through the telescopic rod 3. Hold the grip 8 and gently stretch or compress the telescopic rod 3 until the appropriate working length is reached. Then, adjust the angles of the protective shell 1 and the connecting frame 5 through the adjusting shaft 4 to make them perpendicular to the wall surface or at the required angle. Turn on the power switch of the motor 10, and the motor 10 starts to operate. In fact, it drives the turntable 12 to rotate. Gently press the turntable 12 against the wall surface to start polishing. At the same time, start the air pump 16 to suck the dust and debris generated during the polishing process into the dust bin 17 through the pipeline 15.
[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A wall grinding machine for building construction, comprising a protective shell (1) and a connecting rod (2), characterized in that: One side of the connecting rod (2) is inserted with a telescopic rod (3) for adjustment. One end of the connecting rod (2) is clamped with an adjustment shaft (4) for rotation. The lower end of the adjustment shaft (4) is clamped with a connecting frame (5) for positioning. The lower end of the connecting frame (5) is fixedly connected with a box cover (6) for sealing. The upper end of the protective shell (1) is fixedly connected with a placement box (7) for storage. The upper end of the placement box (7) is clamped with the lower end of the box cover (6).
2. The wall grinding machine for construction according to claim 1, wherein: One end of the telescopic rod (3) is fixedly connected with a grip (8) for limiting. The outer surface of the grip (8) is sleeved with a rubber sleeve for anti-slip.
3. A wall grinding machine for building construction according to claim 1, characterized in that: An air outlet (9) for heat dissipation is formed on the side surface of the placement box (7). A filter screen for filtering is fixedly connected to the inner wall of the air outlet (9).
4. A wall grinding machine for construction, according to claim 1, characterized in that: A motor (10) is connected to the inner bottom wall of the placement box (7) by bolts. The output end of the motor (10) is threadedly connected with a positioning frame (11) for limiting.
5. The wall grinding machine for construction according to claim 4, characterized in that: The lower end of the positioning frame (11) is connected to a turntable (12) for grinding by bolts. A connection hole for positioning is formed in the upper end of the positioning frame (11).
6. The wall grinding machine for building construction according to claim 1, wherein: A rotating shaft (13) for connection is inserted into the side surface of the connecting frame (5). One end of the rotating shaft (13) is threadedly connected with a nut (14) for fastening.
7. The wall grinding machine for building construction according to claim 1, wherein: A pipeline (15) for transmission is inserted into the upper end of the protective shell (1). One end of the pipeline (15) is threadedly connected with an air extraction pump (16).
8. A wall grinding machine for building construction according to claim 7, characterized in that: The lower end of the air extraction pump (16) is connected to a dust bucket (17) for storage by bolts. The lower end of the dust bucket (17) is fixedly connected with a universal wheel (18) for movement.
Citation Information
Patent Citations
Wall grinding machine for building construction
CN212071341U