Polishing and dust falling device for building wall surface

By integrating a dust pump and dust bag into the grinder, the problem of dust flying is solved, achieving efficient dust handling and construction convenience, making it suitable for grinding building walls.

CN223670839UActive Publication Date: 2025-12-16CHINA CONSTR FIRST GRP SOUTHCHINA CORP CO LTD GUANGDONG PROVINCE +1
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Patent Information

Application Number
CN202423254328.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-12-16
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Existing wall sanders cannot effectively handle the dust generated during the sanding process, resulting in dust flying around and causing harm to construction workers and inconvenience to the construction process.

Method used

Design a grinding dust reduction device that includes a grinding disc, a dust pump, and a dust collection bag. The dust is collected into the dust collection bag by the dust pump. The dust collection bag is detachable for easy dust handling. The telescopic tube is adjustable in length to adapt to different operating needs. The grinding wheel is detachable for easy replacement.

Benefits of technology

It effectively reduces dust emissions, improves construction safety and efficiency, facilitates centralized dust disposal, and enhances the practicality of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of polishing and dust falling devices, and discloses a polishing and dust falling device for building wall surfaces, which comprises a polishing disc, a grinding wheel is detachably mounted at the bottom of the polishing disc, a dust suction pump is fixedly mounted at the top of the polishing disc, a connecting rod is rotatably connected to the outer wall of the dust suction pump, and a telescopic pipe is fixedly connected to the upper end of the connecting rod. A dust outlet of the dust suction pump is fixedly connected with a connecting pipe, and the other end of the connecting pipe is fixedly connected with the lower end of a telescopic pipe. According to the grinding and dust falling device for the building wall surface, a grinding wheel is detachably connected to a grinding disc, when the grinding wheel is damaged or the grinding effect becomes poor, people can conveniently replace the grinding wheel, dust can be sucked into a dust collection bag through operation of a dust suction pump while the device grinds the wall surface, in this way, dust flying can be effectively reduced, and the practicability is high. And after dust is absorbed into the dust collection bag, people can conveniently treat the dust in the dust collection bag in a centralized mode.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a polishing dust falling device technical field, concretely is a kind of for building wall surface polishing dust falling device. BACKGROUND

[0002] In the process of building decoration, the surface of building wall needs to be polished many times. In the process of polishing the surface of building wall, the wall surface burr is removed by manual small shovel knife, which is inefficient and has different quality due to manual operation. At present, in order to realize the high efficiency of wall polishing, the mechanical wall polisher is generally used for construction, and the existing wall polisher generally polishes the wall by driving the abrasive wheel to rotate.

[0003] However, in the process of polishing the building wall by using the abrasive wheel, a large amount of dust is generated due to the rapid operation of the abrasive wheel, and the existing polisher cannot well treat the dust, so that the construction process is inconvenient, and the flying dust harms the construction personnel.

[0004] To solve the above problems, a polishing dust falling device for building wall is provided in the application. UTILITY MODEL CONTENTS

[0005] The utility model intends to provide a polishing dust falling device for building wall, which is mainly used to solve the problem that a large amount of dust is generated in the process of polishing by using the abrasive wheel, the existing polisher cannot well treat the dust, the construction process is inconvenient, and the flying dust harms the construction personnel.

[0006] To solve the above technical problems, the utility model provides the following technical scheme:

[0007] A polishing dust falling device for building wall, comprising a polishing disc, a grinding wheel is detachably installed at the bottom of the polishing disc, a dust suction pump is fixedly installed at the top of the polishing disc, a connecting rod is rotatably connected to the outer wall of the dust suction pump, an extension tube is fixedly connected to the upper end of the connecting rod, a connecting pipe is fixedly connected to the dust outlet of the dust suction pump, the other end of the connecting pipe is fixedly connected to the lower end of the extension tube, a handle is fixedly connected to the outer wall upper end of the extension tube, a conveying pipe is fixedly connected to the upper end of the extension tube, a dust collecting bag is connected to the end of the conveying pipe away from the extension tube, a threaded sleeve is fixedly connected to one side of the dust collecting bag, and a threaded pipe matched with the threaded sleeve is fixedly connected to one end of the conveying pipe.

[0008] The working principle and beneficial effects of the utility model are as follows:

[0009] 1、Working principle: use the device to polish the building wall work, the device is connected to the power supply, start the device, the motor inside the polishing disc operation can drive its bottom grinding wheel rotation, thus realizing the polishing of the wall, the grinding wheel polishing work on the wall at the same time, start the dust pump, can be through the dust suction port to the dust pump inside, and then through the dust outlet to the connecting pipe after through the extension pipe and the conveying pipe to the dust bag inside, when the dust bag inside dust collection full, through the rotation of the threaded sleeve can be removed from the dust bag from the conveying pipe, so as to facilitate people to the dust bag inside the dust centralized processing.

[0010] 2、Beneficial effect: the grinding wheel can be detachably connected to the polishing disc, when the polishing device is used for a long time, the grinding wheel is damaged or the polishing effect is poor, the grinding wheel can be replaced conveniently, the device polishes the wall, and dust can be absorbed into the dust bag through the operation of the dust pump, so that the dust flying can be effectively reduced, and the dust absorption into the dust bag can facilitate the centralized treatment of the dust in the dust bag, so that the practicability of the device is higher.

[0011] Preferably, the extension pipe comprises a sleeve fixedly connected to the end of the connecting rod away from the dust pump, a sliding pipe slidably connected to the upper end of the sleeve, a handle fixedly connected to the outer wall of the upper end of the sliding pipe, and symmetrically fixedly connected to the outer wall of the lower end of the sliding pipe. A guide groove matched with the guide block is formed in the inner wall of the sleeve, and a limiting assembly is fixedly connected to the upper end of the outer wall of the sleeve. When the device is used, the limiting assembly is contacted, the sliding pipe is slid on the sleeve by pushing and pulling, the length of the extension pipe is adjusted, the sliding pipe is fixed by the limiting assembly after the length of the extension pipe is adjusted, the device can work normally, and the practicability of the device is further improved.

[0012] Preferably, the limiting assembly comprises a fixed shell fixedly connected to the upper end of the outer wall of the sleeve, a spring fixedly connected to the bottom of the inner wall of the fixed shell, a push plate fixedly connected to the upper end of the spring, an insertion block fixedly connected to the center of the top of the push plate, a plurality of insertion slots matched with the insertion block and linearly and equidistantly arranged on the outer wall of the sliding pipe, and a connecting plate fixedly connected to the both sides of the top of the push plate. A button is fixedly connected to the end of the connecting plate away from the push plate, the button extends out of the fixed shell away from the connecting plate, and the button, the connecting plate and the push plate are slidably connected with the inner wall of the fixed shell. When the button is pressed, the push plate moves downward through the connecting plate, and the spring is compressed. When the insertion block on the push plate is separated from the insertion slot on the sliding pipe, the sliding pipe can be slid to adjust the length of the extension pipe. After the length of the extension pipe is adjusted, the button is released, the push plate makes the insertion block inserted into the insertion slot under the action of the spring, the device can work normally, and the stability is high.

[0013] Preferably, a screw is penetrated through the axis of the grinding wheel, the screw is screwed with the grinding wheel, the bottom of the polishing disc is provided with a threaded hole matched with the screw, and the grinding wheel is connected with the polishing disc through the screw, so that the connection between the grinding wheel and the polishing disc is more firm, and the grinding wheel is more convenient to disassemble and assemble, thereby facilitating the replacement of the grinding wheel.

[0014] Preferably, the bottom of the dust collecting bag is fixedly connected with symmetrical shoulder straps, and the dust collecting bag can be worn on the back through the shoulder straps during use, so that the device is more convenient to use.

[0015] Preferably, the screw is provided with an embedded hexagonal structure, and the lower end surface of the screw does not exceed the bottom of the grinding wheel, so that the screw does not protrude and is not easy to wear after installation, and the embedded hexagonal structure of the screw can rotate better during installation and reduce the possibility of sliding angle.

[0016] Preferably, the outer wall of the handle is provided with a rubber sleeve, and the outer wall of the rubber sleeve is provided with anti-skid lines, so that the hand is more comfortable when holding the handle, and the friction between the hand and the handle is increased through the anti-skid lines on the rubber sleeve, thereby effectively preventing the hand from slipping when holding the handle. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the bottom view of the limiting assembly;

[0019] Figure 3 It is a schematic diagram of the local enlarged sectional structure of the telescopic pipe;

[0020] Figure 4 It is a schematic diagram of the overall structure of the polishing disc and the grinding wheel;

[0021] Figure 5 It is a schematic diagram of the structure of the conveying pipe and the overall dust collecting bag.

[0022] In the drawings: 1, polishing disc; 2, dust collecting pump; 3, connecting rod; 4, telescopic pipe; 5, connecting pipe; 6, handle; 7, conveying pipe; 8, dust collecting bag; 9, threaded pipe; 10, threaded sleeve; 11, sleeve pipe; 12, sliding pipe; 13, guide block; 14, guide groove; 15, fixed shell; 16, spring; 17, push plate; 18, insertion block; 19, insertion groove; 20, connecting plate; 21, button; 22, grinding wheel; 23, screw; 24, threaded hole; 25, shoulder strap. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-5 A kind of polishing dust-settling device for building wall surface, including polishing disc 1, the bottom of polishing disc 1 is detachably installed with grinding wheel 22, the shaft center of grinding wheel 22 is penetrated by screw 23, and screw 23 is threadedly connected with grinding wheel 22, the bottom of polishing disc 1 is provided with the threaded hole 24 matched with screw 23, grinding wheel 22 is connected with polishing disc 1 by screw 23, so that not only the connection between grinding wheel 22 and polishing disc 1 is more firm, but also the disassembly of grinding wheel 22 is more convenient, when the polishing device is used for a long time, grinding wheel 22 is damaged or the polishing effect is poor, people can conveniently replace grinding wheel 22, screw 23 is inlaid hexagonal, the screw 23 of inlaid hexagonal can be better rotated when installing, reduce the possibility of slide angle, the lower end surface of screw 23 does not exceed the bottom of grinding wheel 22, so that screw 23 will not protrude after installation to produce abrasion, thereby effectively prolonging the service life of screw 23, the top of polishing disc 1 is fixedly installed with dust extraction pump 2, the outer wall of dust extraction pump 2 is rotatably connected with connecting rod 3, the upper end of connecting rod 3 is fixedly connected with telescopic pipe 4, the dust outlet of dust extraction pump 2 is fixedly connected with connecting pipe 5, the other end of connecting pipe 5 is fixedly connected with the lower end of telescopic pipe 4, the outer wall upper end of telescopic pipe 4 is fixedly connected with handle 6, the outer wall of handle 6 is provided with rubber sleeve, and the outer wall of rubber sleeve is provided with anti-skid lines, the upper end of telescopic pipe 4 is fixedly connected with conveying pipe 7, one end of conveying pipe 7 away from telescopic pipe 4 is connected with dust collection bag 8, grinding wheel 22 is polished to wall surface while starting dust extraction pump 2, can the dust outside is sucked to the inside of dust extraction pump 2 through dust suction port, and then is discharged to connecting pipe 5 through dust outlet, and is transported to the inside of dust collection bag 8 through telescopic pipe 4 and conveying pipe 7, one side of dust collection bag 8 is fixedly connected with threaded sleeve 10, one end of conveying pipe 7 is fixedly connected with threaded pipe 9 matched with threaded sleeve 10, when the dust inside dust collection bag 8 is collected full, threaded sleeve 10 can be rotated to detach dust collection bag 8 from conveying pipe 7, so that people can conveniently centrally handle the dust inside dust collection bag 8, the bottom of dust collection bag 8 is fixedly connected with symmetrical shoulder straps 25, when the device is used, people can carry dust collection bag 8 on back through shoulder straps 25, so that the use of the device is more convenient.

[0025] As Figure 1 And Figure 2As shown, the telescopic pipe 4 includes a sleeve 11 fixedly connected to the end of the connecting rod 3 away from the dust suction pump 2, a sliding pipe 12 is slidingly connected to the upper end of the sleeve 11, the outer wall of the sliding pipe 12 is fixedly connected to the handle 6, the outer wall of the lower end of the sliding pipe 12 is fixedly connected to symmetrical guide blocks 13, the inner wall of the sleeve 11 is provided with guide grooves 14 matched with the guide blocks 13, which can better limit and guide the sliding pipe 12, so that the sliding pipe 12 can slide on the sleeve 11 with higher stability, and the sliding pipe 12 can be effectively prevented from being separated from the sleeve 11, the outer wall of the upper end of the sleeve 11 is fixedly connected to a limiting assembly, when the device is used, after contacting the limiting assembly, the sliding pipe 12 is pushed and pulled to slide on the sleeve 11, so that the length of the telescopic pipe 4 can be adjusted, after the length of the telescopic pipe 4 is adjusted, the sliding pipe 12 is fixed by the limiting assembly, and the device can be normally used, so that the practicability of the device can be further improved.

[0026] As shown in Figure 2 and Figure 3 The limiting assembly includes a fixed shell 15 fixedly connected to the outer wall of the sleeve 11, a spring 16 fixedly connected to the bottom of the inner wall of the fixed shell 15, a push plate 17 fixedly connected to the upper end of the spring 16, an insertion block 18 fixedly connected to the center of the top of the push plate 17, a plurality of insertion grooves 19 matched with the insertion block 18 are formed in the outer wall of the sliding pipe 12, and the insertion grooves 19 are linearly and equidistantly distributed on the sliding pipe 12, a connecting plate 20 is fixedly connected to the two sides of the top of the push plate 17, a button 21 is fixedly connected to the end of the connecting plate 20 away from the push plate 17, the button 21 extends out of the fixed shell 15 away from the connecting plate 20, and the button 21, the connecting plate 20 and the push plate 17 are slidingly connected to the inner wall of the fixed shell 15, pressing the button 21 can push the push plate 17 downward through the connecting plate 20, and at the same time, the spring 16 is compressed, when the insertion block 18 on the push plate 17 is separated from the insertion groove 19 on the sliding pipe 12, the sliding pipe 12 can be slid to adjust the length of the telescopic pipe 4, after the length of the telescopic pipe 4 is adjusted, the button 21 is released, the push plate 17 is inserted into the insertion groove 19 under the action of the spring 16, and the device can be normally used with higher stability.

[0027] From the above, the specific implementation manner of the utility model is as follows:

[0028] When the device is used to polish the building wall, the button 21 can push the push plate 17 to move downwards through the connecting plate 20, and the spring 16 is compressed, when the plug 18 on the push plate 17 is separated from the slot 19 on the sliding pipe 12, the sliding pipe 12 can slide to adjust the length of the telescopic pipe 4, when the length of the telescopic pipe 4 is adjusted, the button 21 is released, the push plate 17 is inserted into the slot 19 under the action of the spring 16, the sliding pipe 12 is fixed, the length of the telescopic pipe 4 is adjusted, then the device is connected to the power supply, the motor in the polishing disc 1 drives the grinding wheel 22 to rotate, the wall is polished, when the wall is polished by the grinding wheel 22, the dust suction pump 2 is started, the dust outside is sucked into the dust suction pump 2 through the dust suction port, then the dust is discharged to the connecting pipe 5, then the dust is transported to the dust collecting bag 8 through the telescopic pipe 4 and the conveying pipe 7, when the dust collecting bag 8 is full, the dust collecting bag 8 is detached from the conveying pipe 7 by rotating the threaded sleeve 10, so that the dust in the dust collecting bag 8 is conveniently collected and treated, so that the dust flying in the polishing process of the device is effectively reduced, and the dust reduction effect is good.

[0029] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application is described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can be modified or some technical features can be replaced by the equivalent for the person skilled in the art, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A dusting device for polishing of building walls, comprising a polishing disc (1), characterized in that, The bottom of the polishing disc (1) is detachably provided with a grinding wheel (22), and the top of the polishing disc (1) is fixedly provided with a dust suction pump (2). The outer wall of the dust suction pump (2) is rotatably connected with a connecting rod (3), the upper end of the connecting rod (3) is fixedly connected with an extension pipe (4), the dust outlet of the dust suction pump (2) is fixedly connected with a connecting pipe (5), the other end of the connecting pipe (5) is fixedly connected with the lower end of the extension pipe (4), the outer wall of the upper end of the extension pipe (4) is fixedly connected with a handle (6), the upper end of the extension pipe (4) is fixedly connected with a conveying pipe (7), the end of the conveying pipe (7) away from the extension pipe (4) is connected with a dust collecting bag (8), one side of the dust collecting bag (8) is fixedly connected with a threaded sleeve (10), and one end of the conveying pipe (7) is fixedly connected with a threaded pipe (9) matched with the threaded sleeve (10).

2. The device for polishing and dust reduction of building wall surface according to claim 1, characterized in that: The extension pipe (4) comprises a sleeve pipe (11) fixedly connected with the connecting rod (3) away from the dust suction pump (2), a sliding pipe (12) slidably connected with the upper end of the sleeve pipe (11), the outer wall of the upper end of the sliding pipe (12) is fixedly connected with the handle (6), the outer wall of the lower end of the sliding pipe (12) is fixedly connected with symmetrical guide blocks (13), the inner wall of the sleeve pipe (11) is provided with guide grooves (14) matched with the guide blocks (13), and the outer wall of the upper end of the sleeve pipe (11) is fixedly connected with a limiting assembly.

3. The device for polishing and dust reduction of building wall surface according to claim 2, characterized in that: The limiting assembly comprises a fixed shell (15) fixedly connected with the outer wall of the upper end of the sleeve pipe (11), a spring (16) fixedly connected with the bottom of the inner wall of the fixed shell (15), a push plate (17) fixedly connected with the upper end of the spring (16), an insertion block (18) fixedly connected with the center of the top of the push plate (17), a plurality of insertion grooves (19) matched with the insertion block (18) are formed in the outer wall of the sliding pipe (12), the insertion grooves (19) are linearly and equidistantly arranged on the sliding pipe (12), a connecting plate (20) is fixedly connected with the top of the push plate (17) on both sides, a button (21) is fixedly connected with the end of the connecting plate (20) away from the push plate (17), the side of the button (21) away from the connecting plate (20) extends out of the fixed shell (15), and the button (21), the connecting plate (20) and the push plate (17) are slidably connected with the inner wall of the fixed shell (15).

4. The device for polishing and dust reduction of building wall surface according to claim 1, characterized in that: A screw (23) penetrates the center of the grinding wheel (22) and is threadedly connected with the grinding wheel (22), and the bottom of the polishing disc (1) is provided with a threaded hole (24) matched with the screw (23).

5. The device for polishing and dust reduction of building wall surfaces according to claim 1, characterized in that: The bottom of the dust collecting bag (8) is fixedly connected with symmetrical shoulder straps (25).

6. The device for polishing and dust reduction of building wall surface according to claim 4, characterized in that: The screw (23) is provided with an embedded hexagonal structure, and the lower end surface of the screw (23) does not exceed the bottom of the grinding wheel (22).

7. The device for polishing and dust reduction of building wall surfaces according to claim 1, characterized in that: The outer wall of the handle (6) is provided with a rubber sleeve, and the outer wall of the rubber sleeve is provided with anti-skid lines.