CN117189632A - Domestic fan of convenient deashing - Google Patents
Domestic fan of convenient deashing Download PDFInfo
- Publication number
- CN117189632A CN117189632A CN202311223353.3A CN202311223353A CN117189632A CN 117189632 A CN117189632 A CN 117189632A CN 202311223353 A CN202311223353 A CN 202311223353A CN 117189632 A CN117189632 A CN 117189632A
- Authority
- CN
- China
- Prior art keywords
- fan
- driving shaft
- rear cover
- ash removal
- cover
- 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.)
- Withdrawn
Links
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 241000883990 Flabellum Species 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 description 12
- 239000000428 dust Substances 0.000 description 11
- 238000007789 sealing Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a household fan convenient to clean ash, which comprises an insulation box, a limiting ring and a circular plate, wherein a threaded pipe is arranged on the surface of the insulation box, a rear cover is arranged on the surface of the threaded pipe, a motor is arranged in the insulation box, the limiting ring is sleeved on the surface of a driving shaft and props against fan blades, a plurality of supporting bars are fixedly connected to the side surface of the circular plate, the supporting bars are connected with the inner wall of the rear cover, a threaded column is arranged in the middle of the surface of the circular plate, a front cover is sleeved on the surface of the threaded column, a limiting cap props against the surface of the front cover is screwed on the surface of the threaded column, the front cover is clamped by the limiting cap and the circular plate, a tool is not needed when the front cover is dismounted, the front cover is dismounted fast, the front cover is convenient to clean, the supporting bars have elasticity, the supporting bars and the circular plate can be dismounted, the limiting ring can be dismounted from the driving shaft, then the fan can be directly dismounted, the rear cover can be dismounted after the rotating ring is screwed, and the whole fan is more convenient to clean.
Description
Technical Field
The invention relates to the technical field of fans, in particular to a household fan capable of conveniently removing ash.
Background
When the fan rotates, the wind enters from the back and exits from the front, the wind entering from the back can carry some dust, the rotation speed of the fan blades is higher, when the dust meets the fan blades, the dust stays on the blades due to the adhesion of the dust and the centrifugal force of the fan blades being smaller than the adhesion force of the dust, and the dust is left on the fan blades after the fan is used for a period of time; in addition, the fan blades rotate at a high speed and rub with air, so that the fan blades are charged with static electricity, dust belongs to light substances, and the static electricity has the characteristic of adsorbing the light substances, so that the dust can be adhered to the fan blades. Not only can deposit ash on the fan blade, can also deposit ash on the fan housing, consequently the fan just need wash after using a period, ensures that the dust content in the wind of blowing out reduces, is favorable to breathing health, in order swift clean fan, current fan all has some quick detach structures that are used for the fan housing.
In the related art, a common quick-dismantling structure of a fan cover is provided with a buckling structure, a rotary fixing structure and a plastic strip wrapping structure, wherein the buckling structure is usually provided with a plurality of rotatable U-shaped buckles on a rear cover, and after a front cover is aligned with the rear cover, the rear cover and the front cover are clamped together by rotating the U-shaped buckles; the rotary fixing structure is characterized in that an L-shaped baffle is arranged in a rear cover, a clamping block clamped with the L-shaped baffle is arranged on the surface of a front cover, and after the clamping block is rotationally clamped into the L-shaped baffle, a screw is used for reinforcing the rear cover and the front cover; the plastic strip wrapping structure is generally composed of a bendable plastic strip, a long screw and a nut, wherein the plastic strip is wound on the rear cover and the front cover, and then the plastic strip is connected end to end by using the long screw and the nut, so that the connection between the rear cover and the front cover is realized.
The buckle structure is not used by means of tools, but the inner space of the U-shaped buckle is narrow, 6-10U-shaped buckles are usually used by one fan, and when dust is accumulated in the U-shaped buckle, the cleaning is inconvenient; the rotary fixing structure and the plastic strip wrapping structure can be detached by means of a screw driver, and screws for fixing the front cover and the rear cover cannot be installed and detached under the condition that the screw driver is not arranged, so that the fan is inconvenient to install and detach the front cover and the rear cover quickly; in addition, the fan blade and motor connection mode of the existing fan is usually that the fan blade is sleeved on a rotating shaft of the motor, threads are machined on the surface of the rotating shaft, a plastic cover is in threaded connection with the rotating shaft and is prevented from falling off, the plastic cover is loosened in the opposite direction to the rotating direction of the motor, the plastic cover is prevented from loosening due to rotation of the motor, the plastic cover is prevented from being screwed to a tighter state due to rotation of the motor, the plastic cover is difficult to be loosened quickly when the fan blade is detached, and the fan blade is not convenient to clean.
Disclosure of Invention
The invention aims to provide a household fan capable of conveniently removing ash, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a domestic fan of convenient deashing, includes insulating box, insulating box surface is equipped with the screwed pipe, screwed pipe surface mounting has the back shroud, insulating box internally mounted has the motor, the drive shaft surface of motor is equipped with the annular, the flabellum has been cup jointed on the drive shaft surface;
the motor and the control circuit are arranged in the insulation box, the insulation box can prevent electric leakage, the electricity safety of the fan is improved, and the control circuit is provided with a gear switch, so that the rotating speed of the fan can be conveniently adjusted;
the limiting ring is sleeved on the surface of the driving shaft and abuts against the fan blades, a sleeve is inserted on the surface of the limiting ring, one end of the sleeve is connected with a sealing cover, a spring and an inserting rod are installed in the sleeve, the inserting rod penetrates through the sealing cover and the limiting ring and is inserted into the annular groove, the surface of the inserting rod is fixedly connected with the pushing ring, and the spring abuts against the surface of the pushing ring;
the spring pushes the inserted link to be stably connected with the annular groove, so that stable transmission connection of the fan blade and the driving shaft is ensured, and when the fan blade is cleaned, the limit ring can be directly separated from the driving shaft by lifting the inserted link, so that the fan blade is more convenient to detach;
the round plate, a plurality of support bars of round plate side fixedly connected with, support bar and back cover inner wall connection, round plate surface middle part is equipped with the screw thread post, the front shroud has been cup jointed on the screw thread post surface, screw thread post surface spiro union has the spacing cap that supports at the front shroud surface, and the support bar supports the round plate and can not block the wind-force of fan, also makes things convenient for the installation of front shroud simultaneously, also is convenient for take off the front shroud and cleans.
Further, the screwed pipe surface is equipped with the locating hole, back cover inner wall fixedly connected with reference column, the reference column is arranged in the locating hole inside, guarantees that the back cover can not rotate after being connected with insulating box, is favorable to improving fan structure's stability, screwed pipe surface spiro union has the swivel, the swivel supports at the back cover surface, and the swivel can clip the back cover with insulating box cooperation, guarantees that back cover and front shroud can not rock.
Further, the surface of the driving shaft is fixedly connected with a baffle ring, the fan blade is positioned between the limiting ring and the baffle ring, the surface of the driving shaft is inserted with a synchronous bar, the left side surface of the fan blade is fixedly connected with two synchronous plates, the synchronous plates are positioned on the side surface of the driving shaft, and the synchronous bar is positioned between the two synchronous plates;
the baffle ring limits the moving range of the fan blade on the driving shaft, prevents the fan blade from contacting with the rear cover, and can be matched with the synchronous bars through the two synchronous plates so as to enable the motor to stably drive the fan blade to rotate.
Furthermore, the surfaces of the front cover and the rear cover are respectively provided with a plurality of net strips which are integrally formed, the net strips can prevent the rotating fan blades from touching fingers, and prevent some rod-shaped articles from being inserted into the fan, so that the fan is ensured to be safer to use.
The limiting cap surface is equipped with a plurality of antislip strips, and a plurality of antislip strips annular arrangement is on the limiting cap surface, twists spacing cap and can play the skid-proof effect, and the dismouting front shroud is more convenient.
Further, the lower surface of the insulation box is provided with a supporting rod, the lower end of the supporting rod is provided with a base, and the base also has the function of a counterweight to prevent the fan from inclining, so that the fan is more stable when being placed on the ground.
Compared with the prior art, the invention has the beneficial effects that:
(1) The front cover is clamped through the limiting cap and the circular plate, the limiting cap is only required to be screwed when the front cover is dismounted, tools are not required to be used, the front cover is dismounted fast, the front cover is convenient to clean, the supporting bar is elastic, the supporting bar and the circular plate can be taken down after being bent, the lifting inserted bar can take down the limiting ring from the driving shaft, then the fan blade can be directly taken down, the rear cover can be taken down after the rotating ring is screwed, the whole fan is dismounted without tools, and the cleaning is more convenient.
(2) When installing the fan, install back shroud, flabellum, support bar, front shroud in proper order, can clip the back shroud through swivel and insulating box, when the flabellum cover was in the drive shaft, also overlapped the spacing ring in the drive shaft, the awl post of drive shaft tip can directly prop open the inserted bar, the installation of the flabellum of being convenient for, the fan is clean to install convenient and fast after accomplishing.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the split structure of the present invention;
FIG. 3 is a schematic view of the connection of the insulation box and the threaded pipe according to the present invention;
FIG. 4 is a schematic view of the connection between the rear cover and the positioning column according to the present invention;
FIG. 5 is a schematic view of the connection of the circular plate and the support bar according to the present invention;
FIG. 6 is a schematic view of the connection between the front and rear covers of the present invention;
fig. 7 is a schematic diagram showing the structure of the insert rod and the driving shaft of the present invention detached.
In the figure: 1. a base; 2. a support rod; 3. a front cover; 4. a limit cap; 5. a circular plate; 6. a support bar; 7. a threaded column; 8. a limiting ring; 9. a conical column; 10. a fan blade; 11. a synchronizing plate; 12. a rear cover; 13. a plug; 14. a jack; 15. positioning columns; 16. a swivel; 17. an insulation box; 18. a threaded tube; 19. a drive shaft; 20. a ring groove; 21. a baffle ring; 22. a positioning port; 23. a sleeve; 24. a rod; 25. a spring; 26. pushing the ring; 27. a cover; 28. a synchronization bar; 29. an anti-slip strip.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a domestic fan convenient deashing, includes insulating box 17, insulating box 17 surface is equipped with screwed pipe 18, screwed pipe 18 surface mounting has back shroud 12, insulating box 17 internally mounted has the motor, the drive shaft 19 surface of motor is equipped with annular 20, the flabellum 10 has been cup jointed on drive shaft 19 surface;
the middle part of the rear cover 12 is provided with a round opening corresponding to the outer diameter of the threaded pipe 18, so that the rear cover 12 is mounted on the threaded pipe 18 and cannot shake, the motor electric fan blade 10 rotates, the fan blade 10 rotates to accelerate air flow, and the blowing function is realized;
the limiting ring 8 is sleeved on the surface of the driving shaft 19 and props against the fan blade 10, a sleeve 23 is inserted on the surface of the limiting ring 8, one end of the sleeve 23 is connected with a sealing cover 27, a spring 25 and a plug rod 24 are arranged in the sleeve 23, the plug rod 24 penetrates through the sealing cover 27 and the limiting ring 8 and is inserted into the annular groove 20, a push ring 26 is fixedly connected on the surface of the plug rod 24, and the spring 25 props against the surface of the push ring 26;
the sealing cover 27 can be clamped on the surface of the limiting ring 8, holes are formed in the surface of the limiting ring 8, so that the sleeve 23 can be conveniently and directly installed inside the limiting ring 8, and the spring 25 applies elasticity to the inserted rod 24 through the pushing ring 26, so that the inserted rod 24 is ensured to be stably inserted into the annular groove 20;
the side surface of the circular plate 5 is fixedly connected with a plurality of supporting bars 6, the supporting bars 6 are connected with the inner wall of the rear cover 12, a threaded column 7 is arranged in the middle of the surface of the circular plate 5, the surface of the threaded column 7 is sheathed with the front cover 3, and the surface of the threaded column 7 is in threaded connection with a limiting cap 4 propped against the surface of the front cover 3; the limiting cap 4 is provided with an internal threaded hole, so that the limiting cap 4 can be conveniently screwed on the threaded column 7 and matched with the circular plate 5 to clamp the fan blade 10.
In this embodiment, as shown in fig. 3 and fig. 4, the surface of the threaded tube 18 is provided with a positioning opening 22, the inner wall of the rear cover 12 is fixedly connected with a positioning column 15, the positioning column 15 is disposed inside the positioning opening 22, and the positioning opening 22 limits the rear cover 12 to rotate through the positioning column 15, so that the stability of the fan structure is improved.
In this embodiment, as shown in fig. 2, the surface of the threaded tube 18 is screwed with the swivel 16, the swivel 16 abuts against the surface of the rear cover 12, and the swivel 16 may be shaped like a hexagon, so that the swivel 16 is convenient to be directly screwed by a hand, and the problem of hand slip does not occur when the swivel 16 is screwed.
In this embodiment, as shown in fig. 2, the surface of the driving shaft 19 is fixedly connected with the baffle ring 21, the fan blade 10 is located between the limiting ring 8 and the baffle ring 21, the baffle ring 21 limits the fan blade 10, so as to ensure that the fan blade 10 is not contacted with the rear cover 12, the surface of the driving shaft 19 is inserted with the synchronization bar 28, the left side surface of the fan blade 10 is fixedly connected with the two synchronization plates 11, the synchronization plate 11 is located on the side surface of the driving shaft 19, the synchronization bar 28 is located between the two synchronization plates 11, the synchronization bar 28 vertically penetrates the driving shaft 19, and when the synchronization bar 28 and the driving shaft 19 rotate simultaneously, the fan blade 10 can be driven to rotate through the synchronization plate 11, so that the transmission connection between the driving shaft 19 and the fan blade 10 is ensured to be more stable.
In this embodiment, as shown in fig. 2, 5 and 6, the inner wall of the rear cover 12 is provided with a jack 14, the surface of the supporting bar 6 is provided with a plug 13, the plug 13 is inserted into the corresponding jack 14, the supporting bar 6 is made of plastic, and the supporting bar 6 can be bent by utilizing the characteristic of good flexibility of the plastic, so that the plug 13 and the jack 14 can be conveniently and detachably connected.
In this embodiment, as shown in fig. 7, the left end of the driving shaft 19 is provided with a tapered post 9 integrated with the driving shaft 19, the tapered post 9 is inserted into the limiting ring 8, when the tapered post 9 is inserted into the limiting ring 8, the tapered post 9 can push the two inserting rods 24 to move, and when the limiting ring 8 is mounted on the driving shaft 19, the inserting rods 24 do not need to be manually lifted, so that the limiting ring 8 is more convenient to mount.
In this embodiment, as shown in fig. 1 and fig. 4, the surfaces of the front cover 3 and the rear cover 12 are provided with a plurality of integrally formed mesh strips, which can prevent foreign objects from affecting the rotation of the fan blade 10, and prevent fingers from being inserted into the fan to contact with the fan blade 10, so as to ensure stable operation of the fan.
In this embodiment, as shown in fig. 2, the surface of the limiting cap 4 is provided with a plurality of anti-slip strips 29, and the plurality of anti-slip strips 29 are annularly arranged on the surface of the limiting cap 4, so that the anti-slip strips 29 improve the friction force on the surface of the limiting cap 4, and the limiting cap 4 is not easy to slip when being screwed by hand.
In this embodiment, as shown in fig. 1, the lower surface of the insulation box 17 is provided with a supporting rod 2, the lower end of the supporting rod 2 is provided with a base 1, the supporting rod 2 supports the fan, and the base 1 enables the fan to be stably placed on the ground.
Specifically, when the fan is used, the driving shaft 19 of the motor rotates, the driving shaft 19 drives the synchronous plate 11 to rotate through the synchronous bar 28, the synchronous plate 11 drives the fan blades 10 to rotate, the fan blades 10 rotate to accelerate wind flow, so that the fan has a blowing function, static electricity is generated due to friction between the rotation of the fan blades 10 and air, when the fan blades 10 adsorb dust and need cleaning, the fan is powered off firstly, then the limiting cap 4 is unscrewed, and when the limiting cap 4 is separated from the threaded column 7, the limiting cap 4 does not block the front cover 3 any more, and the front cover 3 can be taken off from the threaded column 7;
then bending the support bar 6 until the support bar 6 is separated from the insertion hole 14 on the rear cover 12, detaching the support bar 6 from the rear cover 12, detaching the fan blade 10 from the support bar 6, pulling the two inserted bars 24 at the same time when detaching the fan blade 10, moving the inserted bars 24 into the sleeve 23, and removing the limiting ring 8 from the driving shaft 19 when the inserted bars 24 are separated from the ring grooves 20 on the surface of the driving shaft 19, wherein the limiting ring 8 does not block the fan blade 10 any more, and removing the fan blade 10 from the driving shaft 19;
when the rear cover 12 is disassembled, the swivel 16 is directly unscrewed, after the swivel 16 is separated from the threaded pipe 18, the rear cover 12 is taken off from the threaded pipe 18, and then the front cover 3, the rear cover 12 and the fan blades 10 can be cleaned;
after the fan is cleaned, the rear cover 12 is sleeved on the threaded pipe 18, the positioning column 15 is clamped into the positioning opening 22, then the swivel 16 is screwed on the threaded pipe 18, reinforcement of the rear cover 12 is achieved, the fan blade 10 is sleeved on the driving shaft 19, the synchronous bar 28 is clamped between the two synchronous plates 11, the limiting ring 8 is sleeved on the driving shaft 19, the limiting ring 8 is pushed towards the fan blade 10, the conical column 9 stretches the inserting rod 24, when the inserting rod 24 moves to the position of the annular groove 20, the spring 25 can push the inserting rod 24 to be inserted into the annular groove 20, installation of the fan blade 10 is completed, then the supporting bar 6 is bent, the plug 13 is smoothly inserted into the jack 14, connection between the circular plate 5 and the supporting bar 6 and the rear cover 12 is achieved, finally the front cover 3 is sleeved on the threaded column 7, the limiting cap 4 is screwed with the threaded column 7, installation of the front cover 3 is completed, any tool is not needed when the whole fan is used in home, and the fan can be quickly dismounted for users with insufficient manual capacity.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A household fan for convenient ash removal, comprising:
the fan comprises an insulation box (17), wherein a threaded pipe (18) is arranged on the surface of the insulation box (17), a rear cover (12) is arranged on the surface of the threaded pipe (18), a motor is arranged in the insulation box (17), an annular groove (20) is formed in the surface of a driving shaft (19) of the motor, and fan blades (10) are sleeved on the surface of the driving shaft (19);
the limiting ring (8), limiting ring (8) cover is at drive shaft (19) surface and support flabellum (10), limiting ring (8) surface grafting has sleeve pipe (23), the one end of sleeve pipe (23) is connected with closing cap (27), sleeve pipe (23) internally mounted has spring (25) and inserted bar (24), inserted bar (24) run through closing cap (27) and limiting ring (8) and insert annular (20) inside, inserted bar (24) surface fixed connection push ring (26), spring (25) support at push ring (26) surface;
the novel anti-theft device comprises a circular plate (5), wherein a plurality of supporting bars (6) are fixedly connected to the side face of the circular plate (5), the supporting bars (6) are connected with the inner wall of a rear cover (12), a threaded column (7) is arranged in the middle of the surface of the circular plate (5), a front cover (3) is sleeved on the surface of the threaded column (7), and a limiting cap (4) propped against the surface of the front cover (3) is screwed on the surface of the threaded column (7).
2. The portable ash removal household fan of claim 1, wherein: the surface of the threaded pipe (18) is provided with a positioning opening (22), the inner wall of the rear cover (12) is fixedly connected with a positioning column (15), and the positioning column (15) is arranged in the positioning opening (22).
3. A portable ash removal household fan as defined in claim 2, wherein: the surface of the threaded pipe (18) is in threaded connection with a swivel (16), and the swivel (16) abuts against the surface of the rear cover (12).
4. The portable ash removal household fan of claim 1, wherein: the surface of the driving shaft (19) is fixedly connected with a baffle ring (21), and the fan blades (10) are positioned between the limiting ring (8) and the baffle ring (21).
5. The portable ash removal household fan as defined in claim 4, wherein: the surface of the driving shaft (19) is inserted with a synchronizing bar (28), the left side surface of the fan blade (10) is fixedly connected with two synchronizing plates (11), the synchronizing plates (11) are positioned on the side surface of the driving shaft (19), and the synchronizing bar (28) is positioned between the two synchronizing plates (11).
6. The portable ash removal household fan of claim 1, wherein: the inner wall of the rear cover (12) is provided with jacks (14), the surface of the supporting bar (6) is provided with plugs (13), and the plugs (13) are inserted into the corresponding jacks (14).
7. The portable ash removal household fan of claim 1, wherein: the left end of the driving shaft (19) is provided with a conical column (9) which is integrated with the driving shaft (19), and the conical column (9) is inserted into the limiting ring (8).
8. The portable ash removal household fan of claim 1, wherein: the surfaces of the front cover (3) and the rear cover (12) are provided with a plurality of net strips which are integrally formed.
9. The portable ash removal household fan of claim 1, wherein: the surface of the limiting cap (4) is provided with a plurality of anti-slip strips (29), and the anti-slip strips (29) are annularly arranged on the surface of the limiting cap (4).
10. The portable ash removal household fan of claim 1, wherein: the lower surface of the insulation box (17) is provided with a supporting rod (2), and the lower end of the supporting rod (2) is provided with a base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311223353.3A CN117189632A (en) | 2023-09-21 | 2023-09-21 | Domestic fan of convenient deashing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311223353.3A CN117189632A (en) | 2023-09-21 | 2023-09-21 | Domestic fan of convenient deashing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117189632A true CN117189632A (en) | 2023-12-08 |
Family
ID=89001481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311223353.3A Withdrawn CN117189632A (en) | 2023-09-21 | 2023-09-21 | Domestic fan of convenient deashing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117189632A (en) |
-
2023
- 2023-09-21 CN CN202311223353.3A patent/CN117189632A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20231208 |