Inner wall surface polishing device
Through the combined design of the base, position adjustment mechanism and elastic connection mechanism, the lack of pressure control of the grinding device is solved, the uniform and sufficient grinding effect of the inner wall is achieved, and the dust is effectively cleaned up, protecting the motor.
Patent Information
- Application Number
- CN202422312331.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-23
AI Technical Summary
When the existing interior wall grinding device applies pressure, excessive pressure will lead to excessive friction between the grinding part and the wall, which will increase the burden on the drive motor, and insufficient polishing will occur.
The combined design of the base, position adjustment mechanism, elastic connection mechanism and vacuum cleaning system is adopted. The rotating shaft drives the grinding bar to rotate through the electric push rod and the motor, and dust is extracted with the fan blade, and the grinding bar is kept closely fit with the wall through the elastic connection to achieve uniform grinding.
The grinding strips are closely fitted with the wall to ensure a full and even grinding effect, while effectively cleaning dust, protecting the motor, and improving the service life of the equipment.
Smart Images

Figure CN223084376U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building engineering, and particularly relates to an inner wall surface grinding device. Background Technique
[0002] In building engineering, when decorating the interior of a house, it is usually necessary to use grinding equipment to grind the surface of the inner wall of the house. The grinding of the building inner wall is a crucial step in the decoration process.
[0003] Chinese Patent No. CN215919948U discloses an inner wall surface grinding device for building engineering, including: a housing, a connecting frame, a suction pipe, a waste chute, an outer cylinder and a handle. The connecting frame is fixedly installed at the bottom end of the housing. Compared with the traditional inner wall surface grinding device, this device can quickly clean the impurities and dust on the inner wall surface when in use;
[0004] For the above-mentioned disclosed technology, when grinding the inner wall surface of a building, pressure needs to be applied to the grinding part. If the applied pressure is too large, the friction between the grinding part and the wall surface will increase, which will lead to a large rotational resistance of the grinding part and damage the driving motor of the grinding equipment. If the applied pressure is too small, the friction between the grinding part and the wall surface will be too small, resulting in insufficient grinding of the wall surface.
[0005] Therefore, an inner wall surface grinding device is proposed. Content of the Utility Model
[0006] The purpose of the utility model is: to solve the problems raised in the above background technique, the utility model provides an inner wall surface grinding device.
[0007] The utility model specifically adopts the following technical solutions to achieve the above purpose:
[0008] An inner wall surface grinding device includes a base. A position adjustment mechanism is arranged on the top surface of the base. The end face of the movable part of the position adjustment mechanism is fixedly installed with an electric push rod, and the end of the electric push rod is fixedly installed with a cover body. The outer surface of the cover body is fixedly installed with a third motor, and the output end of the third motor is fixedly installed with a rotating shaft. An elastic connection mechanism is arranged at the end of the rotating shaft, and the end of the rotating shaft is connected with a rotating frame through the elastic connection mechanism. Grinding strips are arranged on the surface of the rotating frame, and a fan blade is fixedly sleeved on the surface of the rotating shaft.
[0009] Furthermore, a dust discharge port is arranged at the bottom surface of the cover body, and a dust discharge pipe is fixedly installed at the end of the dust discharge port. A dust collector is arranged on the surface of the dust discharge pipe, and the dust collector is fixedly installed on the top surface of the base.
[0010] Furthermore, the position adjustment mechanism includes a column, on the top surface of which a first motor is fixedly installed. The output end of the first motor is fixedly installed with a first threaded rod, and an active cross-frame is threadedly sleeved on the surface of the first threaded rod. One end of the active cross-frame is fixedly installed with a second motor, and the output end of the second motor is fixedly installed with a second threaded rod. An active frame is threadedly sleeved on the surface of the second threaded rod, and an electric push rod is fixedly installed on the end face of the active frame.
[0011] Furthermore, the elastic connection mechanism includes a rectangular rod. The rectangular rod is fixedly installed on the end face of the rotating shaft, and a sleeve rod is movably sleeved on the surface of the rectangular rod. A rotating frame is fixedly installed on the end face of the sleeve rod. A spring is arranged inside the sleeve rod, and both ends of the spring are fixedly installed with the end face of the rotating shaft and the end face of the rotating frame respectively.
[0012] Furthermore, the cover body is arranged in a stepped structure, and the fan blade is located inside the cover body.
[0013] Furthermore, the rotating frame is arranged in a cross-shaped structure, and the diameter of the rotating frame is smaller than the inner diameter of the cover body.
[0014] The beneficial effects of the present utility model are as follows:
[0015] The rollers on the bottom surface of the base enable the device to be moved, so that the rotating frame and the grinding strip on its surface are attached to the wall. The electric push rod drives the cover body to move horizontally, so that the grinding strip contacts the wall, realizing that the elastic connection mechanism is in a semi-compressed state. The third motor drives the rotating shaft to rotate, and through the rotating shaft, the elastic connection mechanism drives the rotating frame and the grinding strip to rotate. Through the rotation of the grinding strip, the wall is polished. The rotating shaft drives the fan blade to rotate at the same time. Through the rotation of the fan blade, dust is extracted into the cover body during grinding. The position adjustment mechanism enables the cover body to move along the wall, realizing uniform and comprehensive grinding of the wall. Under the elastic action of the elastic connection mechanism, the grinding strip can be kept in close contact with the wall, enabling sufficient grinding of the wall. Description of the Drawings
[0016] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;
[0017] Figure 2 is a rear view of the present utility model;
[0018] Figure 3 is a partial side sectional view of the present utility model;
[0019] Figure 4 is the present utility model Figure 3 of enlarged view of part A;
[0020] Reference numerals: 1, base; 2, position adjusting mechanism; 201, vertical column; 202, first motor; 203, first threaded rod; 204, movable cross frame; 205, second motor; 206, second threaded rod; 207, movable frame; 3, cover body; 31, ash discharge port; 4, electric push rod; 5, third motor; 6, rotating shaft; 7, fan blade; 8, elastic connection mechanism; 801, rectangular rod; 802, sleeve rod; 803, spring; 9, rotating frame; 91, grinding strip; 10, ash discharge pipe; 11, vacuum cleaner. Detailed implementation manners
[0021] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. The components of the embodiments of the present utility model described and illustrated herein can be arranged and designed in various different configurations.
[0022] Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the present utility model claimed, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.
[0023] It should be noted that: like reference numerals and letters denote like items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second", etc. are only used for descriptive distinction and cannot be construed as indicating or implying relative importance.
[0024] In the description of the embodiments of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "inner", "outer", "upper", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present utility model is customarily placed during use. It is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be construed as a limitation of the present utility model.
[0025] Such as Figures 1 to 4As shown in the figure, an inner wall surface grinding device includes a base 1. A position adjusting mechanism 2 is provided on the top surface of the base 1. An electric push rod 4 is fixedly installed on the end face of the movable part of the position adjusting mechanism 2, and a cover body 3 is fixedly installed at the end of the electric push rod 4. A third motor 5 is fixedly installed on the outer surface of the cover body 3, and a rotating shaft 6 is fixedly installed at the output end of the third motor 5. An elastic connection mechanism 8 is provided at the end of the rotating shaft 6, and the end of the rotating shaft 6 is connected to a rotating frame 9 through the elastic connection mechanism 8. A grinding strip 91 is arranged on the surface of the rotating frame 9. A fan blade 7 is fixedly sleeved on the surface of the rotating shaft 6. More specifically, the device can be moved through the rollers on the bottom surface of the base 1, so that the rotating frame 9 and the grinding strip 91 on its surface are attached to the wall surface. The electric push rod 4 drives the cover body 3 to move horizontally, so that the grinding strip 91 contacts the wall surface, realizing that the elastic connection mechanism 8 is in a semi-compressed state. The third motor 5 drives the rotating shaft 6 to rotate, and the rotating shaft 6 further drives the elastic connection mechanism 8 to drive the rotating frame 9 and the grinding strip 91 to rotate. The grinding strip 91 rotates to grind the wall surface. The rotating shaft 6 drives the fan blade 7 to rotate at the same time. The fan blade 7 rotates to extract dust into the interior of the cover body 3 during grinding. The position adjusting mechanism 2 enables the cover body 3 to move along the wall surface, realizing uniform and comprehensive grinding of the wall surface. Under the elastic action of the elastic connection mechanism 8, the grinding strip 91 can be kept in close contact with the wall surface, enabling sufficient grinding of the wall surface.
[0026] A dust discharge port 31 is provided on the bottom surface of the cover body 3, and a dust discharge pipe 10 is fixedly installed at the end of the dust discharge port 31. A dust collector 11 is arranged on the surface of the dust discharge pipe 10, and the dust collector 11 is fixedly installed on the top surface of the base 1. More specifically, the dust collector 11 generates suction in the dust discharge pipe 10 and the dust discharge port 31. The dust is introduced into the interior of the dust discharge pipe 10 through the dust discharge port 31 on the surface of the cover body 3 and is taken out into the interior of the dust collector 11.
[0027] The position adjusting mechanism 2 includes a column 201. A first motor 202 is fixedly installed on the top surface of the column 201. A first threaded rod 203 is fixedly installed at the output end of the first motor 202. A movable cross frame 204 is threadedly sleeved on the surface of the first threaded rod 203. A second motor 205 is fixedly installed at one end of the movable cross frame 204. A second threaded rod 206 is fixedly installed at the output end of the second motor 205. A movable frame 207 is threadedly sleeved on the surface of the second threaded rod 206. An electric push rod 4 is fixedly installed at the end face of the movable frame 207. More specifically, the first motor 202 drives the first threaded rod 203 to rotate. Due to the threaded engagement between the first threaded rod 203 and the movable cross frame 204, the movable cross frame 204 moves vertically. The second motor 205 drives the second threaded rod 206 to rotate. Through the threaded engagement between the second threaded rod 206 and the movable frame 207, the cover body 3 can be moved along the wall surface.
[0028] The elastic connection mechanism 8 includes a rectangular rod 801. A rectangular rod 801 is fixedly installed at the end face of the rotating shaft 6. A sleeve rod 802 is movably sleeved on the surface of the rectangular rod 801. A rotating frame 9 is fixedly installed at the end face of the sleeve rod 802. A spring 803 is arranged inside the sleeve rod 802. Both ends of the spring 803 are fixedly installed with the end face of the rotating shaft 6 and the end face of the rotating frame 9 respectively. More specifically, the electric push rod 4 drives the cover body 3 to move horizontally, so that the grinding strip 91 is attached to the wall surface. Then the sleeve rod 802 moves along the surface of the rectangular rod 801, thereby compressing the spring 803. Under the elastic force of the spring 803, the grinding strip 91 can be in close contact with the wall surface, so that the wall surface can be fully and evenly ground by the grinding strip 91.
[0029] The cover body 3 is arranged in a stepped structure, and the fan blade 7 is located inside the cover body 3. More specifically, since the fan blade 7 is located inside the cover body 3, when grinding, the fan blade 7 rotates to suck the dust generated during grinding.
[0030] The rotating frame 9 is arranged in a cross shape, and the diameter of the rotating frame 9 is smaller than the inner diameter of the cover body 3. More specifically, since the diameter of the rotating frame 9 is smaller than the inner diameter of the cover body 3, the fan blade 7 can rotate to suck the dust through the end face of the cover body 3.
[0031] In summary: The rollers on the bottom surface of the base 1 enable the device to be moved, so that the rotating frame 9 and the grinding strip 91 on its surface are attached to the wall. The electric push rod 4 drives the cover 3 to move horizontally, so that the grinding strip 91 contacts the wall, realizing that the elastic connection mechanism 8 is in a semi-compressed state. The third motor 5 drives the rotating shaft 6 to rotate, and through the rotating shaft 6, the elastic connection mechanism 8 drives the rotating frame 9 and the grinding strip 91 to rotate. Through the rotation of the grinding strip 91, the wall surface is polished. The rotating shaft 6 also drives the fan blade 7 to rotate, and through the rotation of the fan blade 7, the dust is extracted into the interior of the cover 3 during polishing. The position adjustment mechanism 2 enables the cover 3 to move along the wall surface, realizing uniform and comprehensive polishing of the wall surface. Under the elastic action of the elastic connection mechanism 8, the grinding strip 91 can be kept in close contact with the wall surface, enabling sufficient polishing of the wall surface.
[0032] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements fall within the scope of the present invention claimed. The scope of protection required by the present invention is defined by the appended claims and their equivalents.
Claims
1. An interior wall surface grinding device, characterized in that, It includes a base (1). A position adjusting mechanism (2) is arranged on the top surface of the base (1). An electric push rod (4) is fixedly installed on the end face of the movable part of the position adjusting mechanism (2). And the end of the electric push rod (4) is fixedly installed with a cover body (3). A third motor (5) is fixedly installed on the outer surface of the cover body (3). And a rotating shaft (6) is fixedly installed at the output end of the third motor (5). An elastic connection mechanism (8) is arranged at the end of the rotating shaft (6). And the end of the rotating shaft (6) is connected with a rotating frame (9) through the elastic connection mechanism (8). A polishing strip (91) is arranged on the surface of the rotating frame (9). A fan blade (7) is fixedly sleeved on the surface of the rotating shaft (6).
2. The interior wall surface grinding device according to claim 1, characterized in that, A dust discharge port (31) is arranged on the bottom surface of the cover body (3). And a dust discharge pipe (10) is fixedly installed at the end of the dust discharge port (31). And a dust collector (11) is arranged on the surface of the dust discharge pipe (10). The dust collector (11) is fixedly installed on the top surface of the base (1).
3. The interior wall surface grinding device according to claim 1, characterized in that, The position adjusting mechanism (2) includes a column (201). A first motor (202) is fixedly installed on the top surface of the column (201). A first threaded rod (203) is fixedly installed at the output end of the first motor (202). And a movable cross frame (204) is threadedly sleeved on the surface of the first threaded rod (203). A second motor (205) is fixedly installed at one end of the movable cross frame (204). And a second threaded rod (206) is fixedly installed at the output end of the second motor (205). A movable frame (207) is threadedly sleeved on the surface of the second threaded rod (206). The end face of the movable frame (207) is fixedly installed with the electric push rod (4).
4. An interior wall surface grinding device according to claim 1, characterized in that, The elastic connection mechanism (8) includes a rectangular rod (801). The rectangular rod (801) is fixedly installed on the end face of the rotating shaft (6). And a sleeve rod (802) is movably sleeved on the surface of the rectangular rod (801). The rotating frame (9) is fixedly installed at the end face of the sleeve rod (802). A spring (803) is arranged inside the sleeve rod (802). The two ends of the spring (803) are fixedly installed with the end face of the rotating shaft (6) and the end face of the rotating frame (9) respectively.
5. The interior wall surface grinding device according to claim 1, characterized in that, The cover body (3) is arranged in a stepped structure. And the fan blade (7) is located inside the cover body (3).
6. The interior wall surface grinding device according to claim 1, characterized in that, The rotating frame (9) is arranged in a cross-shaped structure. And the diameter of the rotating frame (9) is smaller than the inner diameter of the cover body (3).
Citation Information
Patent Citations
Inner wall surface polishing device for house building engineering
CN215919948U