CN112405161A - Device for trimming and polishing building wall - Google Patents
Device for trimming and polishing building wall Download PDFInfo
- Publication number
- CN112405161A CN112405161A CN202011293642.7A CN202011293642A CN112405161A CN 112405161 A CN112405161 A CN 112405161A CN 202011293642 A CN202011293642 A CN 202011293642A CN 112405161 A CN112405161 A CN 112405161A
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- CN
- China
- Prior art keywords
- polishing
- sander
- rod
- rotating
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
- B24B7/182—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like for walls and ceilings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the field of intelligent building decoration, in particular to a device for trimming and polishing a building wall, which comprises a polisher and a driving structure for driving the polisher to polish; the sander is internally provided with a ventilation structure and used for collecting dust in the sanding process, and the sander is driven by a reciprocating structure to sand a wall surface; the drive structure includes elevation structure and rotating-structure, through the position of the vertical direction sander of elevation structure adjustment, rotating-structure adjustment sander's angle is in order to satisfy the operation of polishing of different angle walls, when preventing actually to repair building wall and polish the operation, because the operation of polishing is accomplished to the manual mode of adopting usually, make when the unanimous requirement of the operation requirement of renovating the depth of polishing be, artifical polishing has not satisfied such requirement, make the effect of polishing poor, the finished product is inefficient, simultaneously because wall material's ageing makes the in-process of polishing appear a large amount of dusts, influence workman's operational environment.
Description
Technical Field
The invention relates to the field of building decoration, in particular to a device for trimming and polishing a building wall.
Background
An important step in the renovation and renovation work of buildings is to finish and polish the surface of an old brick wall, finish the material on the surface of the wall, remove the defects of surface protrusions, burrs and the like, and remove the adhesion of the later renovation and painting.
When in fact trimming and polishing the building wall, because the polishing operation is usually completed in an artificial mode, the manual polishing can not meet the requirement of consistent polishing depth when the polishing operation is required, the polishing effect is poor, the finished product efficiency is low, and meanwhile, a large amount of dust appears in the polishing process due to the aging of the wall material, so that the working environment of workers is influenced.
Disclosure of Invention
The invention aims to provide a device for finishing and polishing a building wall, which aims to solve the problems that when the building wall is actually finished and polished, polishing operation is usually completed in a manual mode, manual polishing can not meet the requirement when the polishing depth required by the finishing operation is consistent, the polishing effect is poor, the finished product efficiency is low, and meanwhile, a large amount of dust is generated in the polishing process due to aging of wall materials, so that the working environment of workers is influenced.
In order to achieve the purpose, the invention provides a device for trimming and grinding a building wall, which comprises the following components: comprises a sander and a driving structure for driving the sander to perform sanding operation;
the sander is internally provided with a ventilation structure and used for collecting dust in the sanding process, and the sander is driven by a reciprocating structure to sand a wall surface; the driving structure comprises a lifting structure and a rotating structure, the position of the sander in the vertical direction is adjusted through the lifting structure, and the angle of the sander is adjusted through the rotating structure so as to meet the sanding operation of wall surfaces with different angles.
As a further explanation of the inventive solution: the sander comprises a sanding groove, wherein the sanding groove is parallel to rollers arranged on the groove edge of the moving direction, the sander is convenient to move at a constant speed in the wall rolling process in the later period, the sanding stability is improved, the cleaning brush is installed on the groove edge intersected with the moving direction, the sanding process is cleaned by dust attached to the wall through the cleaning brush, and the bottom of the sanding groove is provided with a plurality of air conveying holes connected with an air conveying hose.
As a still further explanation of the inventive solution: the air hose is connected with the dust collecting box, a fan is arranged at an air inlet of the dust collecting box, a filter screen is arranged at an air outlet, dust in the polishing process is collected into the dust collecting box through rotation of the fan, the filter screen is arranged at the air outlet, and relatively clean air passing through the filter screen is delivered to the environment.
As a still further explanation of the inventive solution: the sander comprises a sanding head, the sanding head is connected with a rotating motor II fixedly connected to the bottom of the sanding tank, the sanding head is driven to complete sanding operation through rotation of the rotating motor, and meanwhile, the sanding head is detachable, so that the sanding head can be conveniently replaced in use due to abrasion and the like.
As a still further explanation of the inventive solution: reciprocating structure includes dwang and gag lever post, and wherein gag lever post fixed connection is passed through at the gag lever post both ends on the fixed plate, and the sander is connected sliding connection on the gag lever post through rather than fixed connection's slider.
As a still further explanation of the inventive solution: the limiting groove that arc end to end connected is opened to dwang circular arc side, and the boss that sander set up on through the slider is used in the limiting groove, and dwang one end is connected with rotation motor I, and the other end rotates with baffle I to be connected, and the rotation through rotating motor I drives the dwang and rotates to the drive is because the spacing gliding slider reciprocating motion of gag lever post, finally makes the sander lateral shifting of connection on the slider.
As a still further explanation of the inventive solution: rotating-structure includes dead lever and bracing piece, on dead lever one end even the backup pad, the other end rotates and connects the running roller, bracing piece one end and fixed plate one side fixed connection, and the other end is connected in the inside round hole of seting up of rotation running roller, passes through the running roller and will rotate the conveying to the fixed plate on through the bracing piece, and it is rotatory to drive the fixed plate for the sander satisfies the operation of polishing of different slope walls, has improved sander's working range.
As a still further explanation of the inventive solution: the screw structure comprises a screw and two screw-meshed internal thread blocks, the thread directions of two sides of the screw are opposite, the two internal thread blocks are respectively arranged on the screws of different thread parts, one end of the screw is fixedly connected with a driving motor fixed on the lower supporting plate, the other end of the screw is fixedly connected with the baffle I, and the two internal thread blocks on two sides are driven to move in opposite directions or in opposite directions by the rotation of the screw.
As a still further explanation of the inventive solution: the connecting rod structure comprises two sets of connecting rods which are arranged on two sides of the lower supporting plate and connected with the ends of the connecting rods, the connecting rods are respectively a connecting rod I and a connecting rod II, the connecting rods I and the connecting rods II are rotatably connected, the other ends of the connecting rods I and the internal thread blocks are rotatably connected, the other ends of the connecting rods II and the upper supporting plate are rotatably connected, when the screw rod rotates, the internal thread blocks on two sides move to drive the connecting rods I and the connecting rods II to rotate, and therefore the upper supporting plate is driven to lift.
As a still further explanation of the inventive solution: another set of connecting rod structure is connected with slide bearing, and sliding connection is in the bottom suspension fagging, and two sets of connecting rod structure guarantee elevation structure's stability, also improve the life of device simultaneously, avoid using one set of connecting rod structure to make the atress uneven and deformation.
As a still further explanation of the inventive solution: the lifting structure bottom is equipped with the removal gyro wheel, is equipped with the bolt structure on the removal gyro wheel, through bolt locking removal gyro wheel, prevents that the sander from removing and influencing the uniformity of polishing at the operation in-process device.
Compared with the prior art, the device for building wall body trimming and polishing has the advantages that: comprises a sander and a driving structure for driving the sander to perform sanding operation; the sander is internally provided with a ventilation structure and used for collecting dust in the sanding process, and the sander is driven by a reciprocating structure to sand a wall surface; the driving structure comprises a lifting structure and a rotating structure, the position of the sander in the vertical direction is adjusted through the lifting structure, and the angle of the sander is adjusted through the rotating structure so as to meet the sanding operation of wall surfaces with different angles.
Prevent actually when repairing and polishing the operation to building wall, because the operation of polishing is accomplished to the manual mode of adopting usually for when repairing the unanimous requirement of the operation requirement of polishing depth, artifical polishing has not satisfied such requirement, makes the effect of polishing poor, and the finished product is inefficient, because wall material's ageing makes the in-process of polishing a large amount of dusts appear, influences workman's operational environment simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of a device for finishing and grinding a building wall.
Fig. 2 is a right side view of fig. 1.
FIG. 3 is a schematic view of the sander.
Fig. 4 is a schematic structural view of a rotating structure.
In the figure: 1. a lower support seat; 2. moving the roller; 3. an upper support base; 4. a drive motor; 5. a screw; 6. a baffle plate I; 7. a slider; 8. a connecting rod I; 9. a connecting rod II; 10. a fixing plate; 11. a baffle II; 12. rotating the rod; 13. rotating a motor I; 14. a sander; 15. a support bar; 16. a roller; 17. fixing the rod; 18. a gas pipeline; 19. a dust collection box; 20. a limiting plate; 21. a limiting rod; 22. a sliding bearing; 141. rotating a motor II; 142. a roller; 143. polishing head; 144. cleaning a brush; 145. polishing the bottom plate; 191. a fan; 192. and (4) a filter screen.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following embodiments.
The invention aims to provide a device for finishing and polishing a building wall, which aims to solve the problems that when the building wall is actually finished and polished, polishing operation is usually completed in a manual mode, and the polishing depth required by the finishing operation is consistent, the manual polishing cannot meet the requirement, so that the polishing effect is poor, the finished product efficiency is low, and meanwhile, a large amount of dust is generated in the polishing process due to aging of a wall material, so that the working environment of workers is influenced.
In the embodiment of the present invention, as shown in fig. 1 and 3, an apparatus for finishing and grinding a building wall is provided: the wall surface polishing device comprises a polisher 14, a rotating motor drives the polisher 14 to rotate to rub a wall surface, a vent hole is formed in the polisher 14, and dust in the polishing process is collected through a fan 191 of a dust collection box 19 through a gas transmission pipeline 18; the sander 14 is driven by the reciprocating structure to polish the wall surface; the driving structure comprises a lifting structure and a rotating structure, the position of the sander 14 in the vertical direction is adjusted through the lifting structure, and the angle of the sander 14 is adjusted through the rotating structure so as to meet the sanding operation of wall surfaces with different angles.
As shown in fig. 3, in the embodiment of the present invention, the sander 14 includes a sanding groove, wherein a moving roller 142 is disposed at a groove edge of the sanding groove in a transverse moving direction, so as to facilitate uniform movement of the sander 14 during a later rolling process of a wall surface, and improve sanding stability, a cleaning brush 144 is installed at a groove edge where the moving roller 2 is not installed, and dust attached to the wall surface during sanding is cleaned by the cleaning brush 144.
As shown in fig. 2, in the embodiment of the present invention, a plurality of air transmission holes connected to an air transmission hose are formed at the bottom of the polishing tank, one end of the air transmission hose is connected to the holes, the other end of the air transmission hose is connected to the dust collection box 19, an air inlet of the dust collection box 19 is provided with a fan 191, an air outlet is provided with a filter screen 192, dust generated during polishing is collected into the dust collection box 19 by rotation of the fan 191, and the filter screen 192 is disposed at the air outlet to send filtered clean air to the environment.
As shown in fig. 2, in the embodiment of the present invention, the sander 14 includes a sanding head 143, the sanding head 143 is connected to a rotating motor ii 141 fixedly connected to the bottom of the sanding tank, the sanding head 143 is driven to complete sanding work by rotating the rotating motor, meanwhile, the sanding head 143 is detachable, which is convenient for replacement when the sanding head 143 is worn or the like in use, and meanwhile, the sanding head 143 and the rotating motor ii 141 may be selected as a threaded connection or a pin connection, which can be selected and used as long as a connection mode that does not affect the work of the sanding head 143 and is easy to replace is satisfied.
As shown in fig. 1, in the embodiment of the present invention, the reciprocating structure includes a rotating rod 12 and a limiting rod 21, wherein two ends of the limiting rod 21 are fixedly connected to the fixing plate 10 through the limiting rod 21, the sander 14 is connected to the limiting rod 21 through the sliding block 7 fixedly connected thereto in a sliding manner, an arc-shaped limiting groove connected end to end is opened at the arc side of the rotating rod 12, the sander 14 acts in the limiting groove through a boss arranged on the sliding block 7, one end of the rotating rod 12 is connected to a rotating motor i 13, the other end of the rotating rod is connected to the baffle i 6 in a rotating manner, the rotating rod 12 is driven to rotate by the rotation of the rotating motor i 13, so as to drive the sliding block 7 sliding at the limiting position of the limiting rod 21 to reciprocate, and finally, the sander;
when the reciprocating structure is selected, the rotating rod 12 with the arc end-to-end connection is selected to be matched with the sliding block 7 connected to the limiting rod 21 in a sliding mode to complete reciprocating motion, and other reciprocating structures such as a gear structure with an incomplete gear and a complete gear matched with each other, or a structure with an incomplete gear and a rack meshed with each other and in a rotating matched mode, other reciprocating structures and the like can be selected in the practical design as long as the structure for assisting the polishing head 143 to complete reciprocating motion is met, and the reciprocating structure is not limited to the reciprocating structure selected by the invention.
As shown in fig. 2 and 4, in the embodiment of the present invention, the rotating structure includes a fixed rod 17 and a supporting rod 15, one end of the fixed rod 17 is connected to the supporting plate, the other end of the fixed rod 17 is rotatably connected to the roller 16, one end of the supporting rod 15 is fixedly connected to one side of the fixed plate 10, and the other end of the supporting rod 15 is connected to a circular hole formed in the rotating roller 16, and the roller 16 transmits the rotation to the fixed plate 10 through the supporting rod 15 to drive the fixed plate 10 to rotate, so that the sander 14 of the present invention can satisfy the sanding operation of different inclined wall surfaces, the working range of the sander 14 is increased, the problem that the sander 14 cannot normally work due to the angle of a special wall surface is avoided, meanwhile, the rotating structure selected in the present invention can also be replaced by other rotating structures, such as a gear set structure, the rotating, the rotary structure can be used as a rotary structure to replace the rotary structure selected in the invention, and can be selected in actual design.
As shown in fig. 1, in the embodiment of the present invention, the screw structure includes a screw 5 and two internal thread blocks engaged with the screw 5, the thread directions of two sides of the screw 5 are opposite, the two internal thread blocks are respectively disposed on the screws 5 of different thread portions, one end of the screw 5 is fixedly connected to a driving motor 4 fixed on the lower support plate, and the other end is fixedly connected to a baffle i 6, the internal thread blocks on two sides are driven to move in opposite directions or in opposite directions by the rotation of the screw 5, wherein the bottom of the internal thread block is limited by a limiting plate 20, and the internal thread blocks are placed to rotate simultaneously during the rotation of the screw 5, so that the internal thread blocks can only.
As shown in figure 1, in the embodiment of the invention, the connecting rod structure comprises two sets of connecting rods which are arranged at the two sides of the lower supporting plate and are connected end to end, the invention is provided with two connecting rods which are respectively a connecting rod I8 and a connecting rod II 9, the connecting rod I8 is rotatably connected with the connecting rod II 9, the other end of the connecting rod I8 is rotatably connected with an internal thread block, the other end of the connecting rod II 9 is rotatably connected with an upper supporting plate, when a screw 5 rotates, the internal thread blocks at the two sides move to drive the connecting rod I8 and the connecting rod II 9 to rotate, so as to drive the upper supporting plate to lift, the invention drives the connecting rod structure to rotate through the rotation of the screw 5 by matching of the screw structure and the connecting rod structure, in the actual design, a telescopic rod can be used at the connecting position of the connecting rod, meanwhile, the number of the connecting rods can be selected and flexibly replaced according to the height of the actually used wall surface, and can be one, two or three, and the number is not limited.
As shown in fig. 2, in the embodiment of the present invention, the other set of connecting rod structure is connected to the sliding bearing 22 and slidably connected to the lower supporting plate, and the two sets of connecting rod structures ensure the stability of the lifting structure, and simultaneously improve the service life of the device, thereby avoiding the deformation caused by uneven stress due to the use of one set of connecting rod structure.
As shown in fig. 1, in the embodiment of the present invention, a moving roller 2 is disposed at the bottom of the lifting structure, a latch structure is disposed on the moving roller 2, and the moving roller 2 is locked by the latch to prevent the sander 14 from moving during the operation process and affecting the sanding consistency.
The utility model provides a beneficial effect that is used for building wall body to repair device of polishing: a device for building wall body finishing is polished: the wall surface polishing device comprises a polisher 14, a rotating motor drives the polisher 14 to rotate to rub a wall surface, a vent hole is formed in the polisher 14, and dust in the polishing process is collected through a fan 191 of a dust collection box 19 through a gas transmission pipeline 18; the sander 14 drives the sliding block 7 on the limiting rod 21 to transversely reciprocate through the rotation of the rotating rod 12 and the limiting of the limiting rod 21, so that the sander 14 polishes the wall surface; the drive structure includes elevation structure and rotating-structure, and wherein elevation structure includes end to end's connecting rod structure and screw rod structure, rotates through screw rod 5 and drives the backup pad lift in the structural promotion of connecting rod, adjusts vertical direction sander 14's position, and rotation running roller 16 in the rotating-structure rotates, and the angle of adjustment sander 14 is in order to satisfy the operation of polishing of different angle walls. When the building wall is actually trimmed and polished, polishing operation is usually finished in a manual mode, so that when the requirement of the repairing operation for consistent polishing depth is met, manual polishing cannot meet the requirement, the polishing effect is poor, the finished product efficiency is low, and meanwhile, due to aging of wall materials, a large amount of dust appears in the polishing process, so that the working environment of workers is influenced.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. A device for finishing and polishing a building wall is characterized by comprising a polisher and a driving structure for driving the polisher to polish;
the sander is internally provided with a ventilation structure and used for collecting dust in the sanding process, and the sander is driven by a reciprocating structure to sand a wall surface;
the driving structure comprises a lifting structure and a rotating structure, the position of the sander in the vertical direction is adjusted through the lifting structure, and the angle of the sander is adjusted through the rotating structure so as to meet the sanding operation of wall surfaces with different angles.
2. The device of claim 1, wherein the sander comprises a sanding groove, wherein rollers are disposed on the groove edge of the sanding groove parallel to the moving direction, a cleaning brush is mounted on the groove edge intersecting the moving direction, and a plurality of air delivery holes connected with the air delivery hose are formed in the bottom of the sanding groove.
3. The device for repairing and polishing building walls according to claim 2, wherein the air hose is connected with a dust collection box, a fan is arranged at an air inlet of the dust collection box, and a filter screen is arranged at an air outlet of the dust collection box.
4. The device for building wall finishing grinding as claimed in claim 3, wherein the grinder comprises a grinding head connected with a rotating motor II fixedly connected to the bottom of the grinding groove, and the grinding head is detachably connected.
5. The device for building wall finishing grinding according to claim 1, wherein the reciprocating structure comprises a rotating rod and a limiting rod;
wherein two ends of the limiting rod are fixedly connected to the fixing plate through the limiting rod, and the sander is connected to the limiting rod in a sliding manner through a sliding block fixedly connected with the sander;
the limiting groove that arc end to end connected is opened to dwang circular arc side, and the boss that the sander set up through the slider is used in the limiting groove, and dwang one end is connected with rotation motor I, and the other end is rotated with baffle I and is connected.
6. The apparatus as claimed in claim 1, wherein the rotating structure comprises a fixing rod and a supporting rod, one end of the fixing rod is connected to the supporting plate, the other end of the fixing rod rotates to connect with the roller, one end of the supporting rod is fixedly connected with one side of the fixing plate, and the other end of the supporting rod is connected with a circular hole formed in the rotating roller.
7. The device for building wall trimming and polishing as claimed in claim 6, wherein the lifting structure includes a connecting rod structure and a screw structure, one end of the connecting rod structure is rotatably connected to the upper support plate, and the other end of the connecting rod structure is connected to the screw structure, and the connecting rod structure is rotated by the screw structure.
8. The device for trimming and grinding a building wall as claimed in claim 7, wherein the screw structure comprises a screw and two internal thread blocks meshed with the screw, one end of the screw is fixedly connected with the driving motor fixed on the lower supporting plate, and the other end of the screw is fixedly connected with the baffle I.
9. The device for trimming and polishing the building wall according to claim 8, wherein the connecting rod structure comprises two sets of connecting rods which are arranged at the ends of the two sides of the lower supporting plate and are connected with the ends of the two sides of the lower supporting plate through connecting rods, one set of a plurality of connected end connecting rods are rotatably connected with the upper supporting plate, the other end connecting rod far away from the upper supporting plate is rotatably connected with the internal thread block, the other set of end connecting rods are connected with the upper supporting plate, the other end of the connecting rod is connected with the sliding bearing, and the connecting rod is slidably connected with the lower supporting plate.
10. The device for building wall finishing and polishing as claimed in any one of claims 1 to 9, wherein the lifting structure is provided with a moving roller at the bottom, the moving roller is provided with a latch structure, and the latch is used for preventing the device from moving during operation of the sander.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011293642.7A CN112405161A (en) | 2020-11-18 | 2020-11-18 | Device for trimming and polishing building wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011293642.7A CN112405161A (en) | 2020-11-18 | 2020-11-18 | Device for trimming and polishing building wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112405161A true CN112405161A (en) | 2021-02-26 |
Family
ID=74773100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011293642.7A Withdrawn CN112405161A (en) | 2020-11-18 | 2020-11-18 | Device for trimming and polishing building wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112405161A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649879A (en) * | 2021-08-25 | 2021-11-16 | 赵晨希 | Wall prosthetic devices for building decoration |
| CN113770882A (en) * | 2021-09-01 | 2021-12-10 | 芜湖东旭光电科技有限公司 | Cleaning device |
-
2020
- 2020-11-18 CN CN202011293642.7A patent/CN112405161A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649879A (en) * | 2021-08-25 | 2021-11-16 | 赵晨希 | Wall prosthetic devices for building decoration |
| CN113770882A (en) * | 2021-09-01 | 2021-12-10 | 芜湖东旭光电科技有限公司 | Cleaning device |
| CN113770882B (en) * | 2021-09-01 | 2022-09-27 | 芜湖东旭光电科技有限公司 | Cleaning device |
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Application publication date: 20210226 |
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| WW01 | Invention patent application withdrawn after publication |