Polishing device with noise reduction function

Abstract

The utility model relates to the field of construction polishing, in particular to a polishing device with a noise reduction function, and aims to solve the technical problems that when the polishing device is used for polishing a cement floor, noise is large during working, and rapid maintenance of the polishing device is affected due to the fact that a polishing structure is inconvenient to disassemble. According to the technical scheme, the grinding device with the noise reduction function comprises a fixing bolt, a rod body assembly, a rotating assembly, a connecting assembly, a noise reduction assembly, a frame assembly and a grinding assembly; the sound absorption pad is matched with the sound insulation plate to reduce noise generated when the motor works and noise generated when the motor is polished, then the connecting cylinder is installed on the bearing frame in a threaded mode and is matched with the fixing bolt to fix the bearing frame, and therefore the bearing frame can be stably installed, and meanwhile a user can conveniently conduct daily maintenance on the bearing frame. The problems that when a grinding device grinds the cement floor, noise is large during work, and quick maintenance of the device is affected due to the fact that a grinding structure is inconvenient to disassemble are solved.

Description

Technical Field

[0001] The utility model belongs to the field of construction grinding, and in particular relates to a grinding device with a noise reduction function. Background Art

[0002] Cement floor grinding is a common surface treatment method that can make the floor smoother and more uniform and increase its beauty and durability.

[0003] When the existing grinding device is used to grind the cement floor, its grinding structure often makes a huge noise when working, which greatly affects the hearing safety of the user. In addition, the installation structure of the grinding device is mostly integrated. When maintenance is required, a large number of bolts often need to be removed to maintain the grinding structure of the inner wall.

[0004] Therefore, in order to solve the problem that when the above-mentioned grinding device is grinding the cement floor, its main structure is often difficult to alleviate and reduce the noise generated during the grinding process, and its main body installation structure is not convenient for users to quickly maintain the device, a grinding device with a noise reduction function is developed. By adding multiple noise reduction structures, a double compartment noise reduction structure and a threaded installation structure to the grinding assembly, the noise generated by the device when grinding the cement floor can be greatly reduced, the service life of the device can be improved, and the user can quickly maintain the device. Utility Model Content

[0005] In order to overcome the problems that when a grinding device is grinding a cement floor, the grinding device produces a large noise during operation and the grinding structure is not easy to disassemble, which greatly affects the rapid maintenance of the device.

[0006] The technical solution of the utility model is: a grinding device with a noise reduction function, including a fixing bolt, a rod body assembly, a rotating assembly, a connecting assembly, a noise reduction assembly, a frame assembly, and a grinding assembly. The rod body assembly has a telescopic adjustment structure, and the front end of the rod body assembly is hingedly installed with a rotating assembly with built-in sound insulation material, the lower end of the rotating assembly is provided with a connecting assembly threadedly installed with the frame assembly, the connecting assembly with its own sound insulation structure is installed on the upper end of the frame assembly through a fixing bolt, a motor-driven grinding assembly is arranged in the frame assembly, and the outer wall of the frame assembly is provided with a noise reduction assembly with a double compartment.

[0007] Preferably, the rotating component can be used to absorb and reduce the noise generated by the motor in the grinding component when it is working, and the connecting component and the noise reduction component can be used to reduce the noise generated when the grinding component is grinding the ground. The connecting component can facilitate the user to disassemble the grinding component and the supporting component, thereby facilitating the user to maintain the device.

[0008] Preferably, the rod body assembly includes a support rod, a handle, and a hinge block. The support rod is a telescopically adjustable rod body. The front end of the support rod is fixedly connected to the hinge block, and the rear end of the support rod has an arc-shaped handle. When in use, the freely telescopically adjustable support rod can facilitate the user to adjust the grinding position of the grinding mechanism, and combined with the handle, the comfort of the user when holding it can be improved.

[0009] Preferably, the rotating assembly includes an articulated frame, a first trough body, a sound-absorbing pad, and a sound-absorbing groove. The articulated block is rotatably installed on the articulated frame. A first trough body is provided at the lower end of the articulated frame, and a sound-absorbing pad is installed in the first trough body. The inner wall of the articulated frame is penetrated by sound-absorbing grooves evenly distributed around the inner wall. When in use, the support rod can be rotated and adjusted along the inner wall of the articulated frame, and the sound-absorbing pad cooperates with the sound-absorbing groove to absorb and reduce the noise generated when the motor is working.

[0010] Preferably, the connecting assembly includes a connecting tube, a through hole, a positioning groove, a second groove body, a sound insulation board, and an internal thread. The upper end of the connecting tube is connected to the lower end of the hinged frame, and the lower end of the connecting tube is provided with a second groove body, and the sound insulation board is installed in the second groove body. The upper and lower ends of the connecting tube are penetrated by four through holes evenly distributed around the connecting tube, and the lower end of the connecting tube is provided with seven positioning grooves evenly distributed around the connecting tube. The inner wall of the connecting tube is provided with an internal thread. When in use, the connecting tube is threadedly installed on the load-bearing frame and is fixed for the second time in conjunction with a fixing bolt. While it can be stably installed, it is also convenient for the user to perform daily maintenance. The sound insulation board can rebound and absorb the sound generated during grinding, thereby reducing the noise generated by the device when in use.

[0011] Preferably, the frame assembly includes a supporting frame, a first screw groove, a limit block, a threaded column, a positioning block, and an installation groove. The upper end of the supporting frame is fixedly connected to four limit blocks equidistantly distributed around the supporting frame. A first screw groove is provided at the upper end of the limit block. A threaded column is fixedly connected to the center of the upper end of the supporting frame. The threaded column is adapted to the internal thread. Installation grooves are provided at the upper and lower ends of the threaded column. The upper end of the supporting frame has seven positioning blocks equidistantly distributed around the supporting frame. The positioning blocks are adapted to the positioning grooves, the limit blocks are adapted to the through holes, the fixing bolts pass through the through holes and are threadedly installed in the first screw groove. When in use, the positioning blocks can be used to assist in limiting and fixing the connecting tube, and improve the stability of the device during use, thereby avoiding strong vibration of the device body during grinding, thereby affecting the stability of the device during use.

[0012] Preferably, the grinding assembly includes a grinding disc, a motor, and a protective cover. The motor is installed in the installation slot. The lower end of the motor output unit is fixedly connected to the grinding disc, and the upper end of the motor is fixedly connected to the protective cover. The outer wall of the protective cover is in contact with the inner walls of the left and right ends of the hinged frame. When in use, the motor can drive the grinding disc to rotate at high speed to efficiently grind the ground. The protective cover can protect the upper end of the motor from collision, thereby increasing the service life of the motor.

[0013] Preferably, the noise reduction component includes an outer shell, a sound diffusion groove, and a third groove body. The outer shell is in a circular shape, and the third groove body is provided at the lower end of the outer shell. The outer wall of the outer shell is penetrated by sound diffusion grooves evenly distributed around the outer shell. When in use, a double compartment can be formed by the outer shell and the third groove body to isolate the sound generated during grinding and disperse the noise outward through the sound diffusion groove.

[0014] Beneficial effects of the utility model:

[0015] 1. The noise generated by the motor working in the grinding component and the grinding process can be absorbed and reduced by the rotating component, the connecting component and the double compartment structure and the noise reduction structure on the noise reduction component. The threaded mounting structure on the connecting component can facilitate the user to disassemble the grinding component and the supporting component, thereby facilitating the user to maintain the device.

[0016] 2. The freely retractable support rod can facilitate users to adjust the grinding position of the grinding mechanism, and the handle can improve the comfort of users when holding it;

[0017] 3. The positioning block can be used to assist in limiting and fixing the connecting tube, and improve the stability of the device during use, thereby preventing the main body of the device from generating strong vibrations during grinding, thereby affecting the stability of the device during use;

[0018] 4. The protective cover can be used to protect the upper end of the motor from collision, thereby increasing the service life of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 What is shown is a three-dimensional structural schematic diagram of a grinding device with noise reduction function of the utility model;

[0020] Figure 2 What is shown is a schematic diagram of the three-dimensional structure of a grinding device with noise reduction function of the utility model;

[0021] Figure 3 What is shown is a three-dimensional structural schematic diagram of a rod assembly of a grinding device with a noise reduction function according to the utility model;

[0022] Figure 4The present invention shows a schematic diagram of the three-dimensional structure of a frame component and a grinding component of a grinding device with a noise reduction function;

[0023] Figure 5 The present invention shows a schematic diagram of the three-dimensional structure of the hinge assembly, the connection assembly and the fixing bolt of a grinding device with a noise reduction function;

[0024] Figure 6 What is shown is a schematic diagram of the three-dimensional structure disassembly of a noise reduction component of a grinding device with a noise reduction function according to the utility model.

[0025] Explanation of the accompanying drawings: 101-support rod, 102-handle, 103-hinge block, 201-hinge frame, 202-first slot, 203-sound-absorbing pad, 204-sound-absorbing slot, 301-connecting tube, 302-through hole, 303-positioning slot, 304-second slot, 305-sound insulation board, 306-internal thread, 401-outer shell, 402-sound-dissipating slot, 403-third slot, 501-carrying frame, 502-first screw groove, 503-limiting block, 504-threaded column, 505-positioning block, 506-installation slot, 601-grinding disc, 602-motor, 603-protective cover, 7-fixing bolt. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0027] See also Figure 1-2 The utility model provides an embodiment: a grinding device with a noise reduction function, including a fixing bolt 7, a rod body assembly, a rotating assembly, a connecting assembly, a noise reduction assembly, a frame assembly, and a grinding assembly. The rod body assembly has a telescopic adjustment structure, and the front end of the rod body assembly is hingedly installed with a rotating assembly with built-in sound insulation material. The lower end of the rotating assembly is provided with a connecting assembly threadedly installed with the frame assembly. The connecting assembly with its own sound insulation structure is installed on the upper end of the frame assembly through the fixing bolt 7. A motor-driven grinding assembly is provided in the frame assembly, and a noise reduction assembly with a double compartment is provided on the outer wall of the frame assembly. The rotating assembly can absorb and reduce the noise generated by the motor in the grinding assembly when it is working, and the connecting assembly and the noise reduction assembly can be used to reduce the noise generated when the grinding assembly is grinding the ground. The connecting assembly can facilitate the user to disassemble the grinding assembly and the supporting assembly, thereby facilitating the user to maintain the device.

[0028] See also Figure 3-4In this embodiment, the rod body assembly includes a support rod 101, a handle 102, and a hinge block 103. The support rod 101 is a telescopically adjustable rod body. The front end of the support rod 101 is fixedly connected with the hinge block 103, and the rear end of the support rod 101 is provided with an arc-shaped handle 102. When in use, the user can adjust the grinding position of the grinding mechanism through the freely telescopically adjustable support rod 101, and the grip 102 can be used to improve the comfort of the user when holding the grinding mechanism. The frame assembly includes a bearing frame 501, The first screw groove 502, the limit block 503, the threaded column 504, the positioning block 505, and the installation groove 506 are fixedly connected to the upper end of the carrying frame 501 with four limit blocks 503 that are evenly distributed around the carrying frame 501. The upper end of the limit block 503 is provided with a first screw groove 502. The center of the upper end of the carrying frame 501 is fixedly connected with a threaded column 504. The threaded column 504 is adapted to the internal thread 306. The upper and lower ends of the threaded column 504 are penetrated with installation grooves 506. The upper end of the carrying frame 501 is further provided with a threaded column 504 that surrounds the carrying frame 501. Seven positioning blocks 505 are evenly distributed around the periphery. The positioning blocks 505 are matched with the positioning grooves 303. The limiting blocks 503 are matched with the through holes 302. The fixing bolts 7 pass through the through holes 302 and are threadedly installed in the first screw grooves 502. When in use, the positioning blocks 505 can be used to assist in limiting and fixing the connecting tube 301, and improve the stability of the device when in use, thereby preventing the main body of the device from generating strong vibrations during grinding, thereby affecting the stability of the device when in use. The grinding assembly includes a grinding disc 601, a motor 6 02. Protective cover 603. The motor 602 is installed in the installation groove 506. The lower end of the output unit of the motor 602 is fixedly connected with a grinding disc 601. The upper end of the motor 602 is fixedly connected with a protective cover 603. The outer wall of the protective cover 603 fits with the inner walls of the left and right ends of the hinged frame 201. When in use, the motor 602 can drive the grinding disc 601 to rotate at a high speed to efficiently grind the ground. The protective cover 603 can protect the upper end of the motor 602 from collision, thereby improving the service life of the motor 602.

[0029] See also Figure 5In this embodiment, the rotating assembly includes an articulated frame 201, a first slot body 202, a sound absorbing pad 203, and a sound absorbing groove 204. The articulated block 103 is rotatably installed on the articulated frame 201. The lower end of the articulated frame 201 is provided with a first slot body 202, and the sound absorbing pad 203 is installed in the first slot body 202. The inner wall of the articulated frame 201 is penetrated by sound absorbing grooves 204 that are evenly distributed around the inner wall. When in use, by rotating the support rod 101, it can be rotated and adjusted along the inner wall of the articulated frame 201, and the sound absorbing pad 203 cooperates with the sound absorbing groove 204 to absorb and reduce the noise generated by the motor 602 when it is working. The connecting assembly includes a connecting tube 301, a through hole 302, a positioning groove 303, a second slot body 304, a sound insulation board 305, and an internal thread 306. The upper surface of the connecting tube 301 The end is connected to the lower end of the articulated frame 201, a second groove body 304 is provided at the lower end of the connecting tube 301, a sound insulation board 305 is installed in the second groove body 304, four through holes 302 equidistantly distributed around the connecting tube 301 are penetrated at the upper and lower edges of the connecting tube 301, seven positioning grooves 303 equidistantly distributed around the connecting tube 301 are provided at the lower end of the connecting tube 301, and an internal thread 306 is provided on the inner wall of the connecting tube 301. When in use, the connecting tube 301 installed on the supporting frame 501 by threading and cooperating with the fixing bolt 7 for secondary fixation can be stably installed while facilitating daily maintenance by the user, and the sound insulation board 305 can rebound and absorb the sound generated during grinding, thereby reducing the noise generated by the device when in use.

[0030] See also Figure 6 In this embodiment, the noise reduction component includes a shell 401, a sound diffusion groove 402, and a third groove body 403. The shell 401 is in a circular shape. The third groove body 403 is opened at the lower end of the shell 401. The outer wall of the shell 401 is penetrated by the sound diffusion grooves 402 distributed evenly around the shell 401. When in use, a double compartment can be formed by the shell 401 and the third groove body 403 to isolate the sound generated during grinding, and disperse the noise outward through the sound diffusion groove 402.

[0031] When working, first, the user holds the handle 102 and the support rod 101, and adjusts the length of the support rod 101 according to the user's usage habits, so that the user can use the device;

[0032] Next, the motor 602 is started, and the motor 602 drives the grinding disc 601 to rotate at a high speed to grind the cement floor efficiently, and the noise generated by the motor 602 when working is absorbed and reduced by the sound-absorbing pad 203 and the sound-absorbing groove 204, and the sound insulation board 305 is used to rebound and absorb the sound generated during grinding, thereby reducing the noise generated by the device when in use;

[0033] Then, the outer shell 401 cooperates with the third groove body 403 to form a double compartment to isolate the sound generated during grinding, and the noise is dispersed outwards through the sound dissipation groove 402 to reduce the noise when the device is used;

[0034] When maintenance is required, the fixing bolt 7 is removed from the first screw groove 502 by twisting the fixing bolt 7, and the connecting tube 301 is twisted to remove it from the supporting frame 501, so that the device can be quickly disassembled, thereby facilitating the user to maintain the device.

[0035] Through the above steps, the noise generated by the motor 602 during operation and the sound generated during grinding can be reduced by using the sound-absorbing pad 203 in conjunction with the sound insulation board 305, and then the connecting tube 301 installed on the supporting frame 501 with threads and combined with the fixing bolt 7 is used for secondary fixation. While it can be stably installed, it is convenient for users to perform daily maintenance on it, which solves the problem that when the grinding device is grinding the cement floor, the noise is relatively high during operation, and the grinding structure is not easy to disassemble, which greatly affects the rapid maintenance of the device.

[0036] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A grinding device with a noise reduction function, comprising a fixing bolt (7), characterized in that: The invention also includes a rod assembly, a rotating assembly, a connecting assembly, a noise reduction assembly, a frame assembly, and a grinding assembly. The rod assembly has a telescopic adjustment structure, and a rotating assembly with sound insulation material installed at the front end of the rod assembly is hingedly installed. The lower end of the rotating assembly is provided with a connecting assembly threadedly installed with the frame assembly. The connecting assembly with the sound insulation structure is installed at the upper end of the frame assembly through a fixing bolt (7). A motor-driven grinding assembly is arranged inside the frame assembly, and a noise reduction assembly with a double compartment is arranged on the outer wall of the frame assembly.

2. A grinding device with noise reduction function according to claim 1, characterized in that: The rod body assembly comprises a support rod (101), a handle (102), and a hinge block (103); the support rod (101) is a telescopically adjustable rod body; the front end of the support rod (101) is fixedly connected to the hinge block (103); and the rear end of the support rod (101) is further provided with an arc-shaped handle (102).

3. A grinding device with noise reduction function according to claim 2, characterized in that: The rotating assembly comprises an articulated frame (201), a first trough body (202), a sound absorbing pad (203), and a sound absorbing groove (204); the articulated block (103) is rotatably mounted on the articulated frame (201); the first trough body (202) is provided at the lower end of the articulated frame (201); the sound absorbing pad (203) is installed in the first trough body (202); and the inner wall of the articulated frame (201) is penetrated by sound absorbing grooves (204) which are evenly distributed around the inner wall.

4. A grinding device with noise reduction function according to claim 3, characterized in that: The connection assembly comprises a connection tube (301), a through hole (302), a positioning groove (303), a second groove body (304), a sound insulation board (305), and an internal thread (306). The upper end of the connection tube (301) is connected to the lower end of the hinge frame (201). The lower end of the connection tube (301) is provided with a second groove body (304), and the sound insulation board (305) is installed in the second groove body (304). Four through holes (302) are provided at the upper and lower edges of the connection tube (301) and are evenly distributed around the connection tube (301). The lower end of the connection tube (301) is provided with seven positioning grooves (303) that are evenly distributed around the connection tube (301). The inner wall of the connection tube (301) is provided with an internal thread (306).

5. A grinding device with noise reduction function according to claim 4, characterized in that: The frame assembly comprises a bearing frame (501), a first screw groove (502), a stop block (503), a threaded column (504), a positioning block (505), and a mounting groove (506). The upper end of the bearing frame (501) is fixedly connected with four stop blocks (503) which are evenly distributed around the bearing frame (501). The upper end of the stop block (503) is provided with a first screw groove (502). The center of the upper end of the bearing frame (501) is fixedly connected with a threaded column (504). The threaded column (505) is fixedly connected with the threaded column (504). 04) is adapted to the internal thread (306), the upper and lower ends of the threaded column (504) are penetrated with installation grooves (506), the upper end of the supporting frame (501) is further provided with seven positioning blocks (505) which are evenly distributed around the supporting frame (501), the positioning blocks (505) are adapted to the positioning grooves (303), the limit blocks (503) are adapted to the through holes (302), the fixing bolts (7) pass through the through holes (302) and are threadedly installed in the first screw grooves (502).

6. A grinding device with noise reduction function according to claim 5, characterized in that: The grinding assembly comprises a grinding disc (601), a motor (602), and a protective cover (603). The motor (602) is installed in the installation groove (506). The lower end of the output unit of the motor (602) is fixedly connected to the grinding disc (601), and the upper end of the motor (602) is fixedly connected to the protective cover (603). The outer wall of the protective cover (603) is in contact with the inner walls of the left and right ends of the hinge frame (201).

7. A grinding device with noise reduction function according to claim 6, characterized in that: The noise reduction component comprises a shell (401), a sound diffusion groove (402), and a third groove body (403). The shell (401) is in a circular ring shape. The third groove body (403) is provided at the lower end of the shell (401). The outer wall of the shell (401) is penetrated by sound diffusion grooves (402) which are evenly distributed around the shell (401).

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