CN113759682A - Waste powder anti-falling selenium drum for printer - Google Patents
Waste powder anti-falling selenium drum for printer Download PDFInfo
- Publication number
- CN113759682A CN113759682A CN202110956010.2A CN202110956010A CN113759682A CN 113759682 A CN113759682 A CN 113759682A CN 202110956010 A CN202110956010 A CN 202110956010A CN 113759682 A CN113759682 A CN 113759682A
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- powder
- carbon powder
- waste
- drum
- waste powder
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
- G03G15/0889—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for agitation or stirring
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0865—Arrangements for supplying new developer
Abstract
The invention relates to a waste powder anti-dropping selenium drum for a printer, which comprises a shell, a waste powder box and a carbon powder bin, wherein the waste powder box and the carbon powder bin are arranged in the shell, the shell between the waste powder box and the carbon powder bin is internally and rotatably connected with a drum core, the carbon powder bin is rotatably connected with a crushing mechanism, the crushing mechanism comprises a crushing roller and a supporting shaft, and two opposite side walls in the carbon powder bin are respectively and rotatably connected with the supporting shaft parallel to the axis of the drum core. According to the invention, the crushing roller is rotated through the crank handle, and the crushing roller enables the crushing rod to stir and crush the agglomerated carbon powder in the rotating process, so that the phenomenon that the carbon powder is agglomerated for a long time to reduce the powder discharging efficiency and further influence the printing effect is avoided; simultaneously, the design between the crushing roller and the supporting shaft is of a detachable structure, the crushing roller is conveniently detached and taken out from the carbon powder bin for cleaning and maintenance, and the whole installation and detachment mode is simple and rapid.
Description
Technical Field
The invention relates to the technical field of printer equipment, in particular to a waste powder anti-dropping selenium drum for a printer.
Background
In laser printers, more than 70% of the image forming components are concentrated in the cartridge, and the quality of printing is actually determined to a large extent by the cartridge. A cartridge, which is generally made of a base substrate made of aluminum, and a photosensitive material coated on the base substrate. The cartridge determines not only the quality of the print, but also the amount of money the user spends during use.
However, the existing toner cartridge for printers still has many problems or defects, for example, when the printer is not used for a long time, the carbon powder in the carbon powder bin in the toner cartridge is easy to agglomerate, and the printing effect is reduced, so that a toner cartridge with a structure capable of crushing the carbon powder agglomerates is needed before being used.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a waste powder anti-dropping selenium drum for a printer.
In order to achieve the purpose, the invention adopts the technical scheme that:
a waste powder anti-falling selenium drum for a printer comprises a shell, a waste powder box and a carbon powder bin, wherein the waste powder box and the carbon powder bin are arranged in the shell, the inside of the shell between the waste powder box and the carbon powder bin is rotatably connected with a drum core, a crushing mechanism is rotatably connected in the carbon powder bin and comprises a crushing roller and a support shaft, the two opposite side walls in the carbon powder bin are respectively rotatably connected with the support shaft parallel to the axis of the drum core, one side wall of one end of the support shaft is provided with a first rectangular blind hole, the other end of one support shaft extends to the outer side of the shell and fixes a hand crank, the crushing roller is positioned between the two support shafts, one side wall of one end of the crushing roller is provided with a second rectangular blind hole, an insert rod capable of moving is arranged in the second rectangular blind hole, a first spring is arranged between the bottom wall of the insert rod and the bottom wall of the second rectangular blind hole, the other end of the insert rod is inserted into the first rectangular blind hole on one support shaft under the driving of the first spring, the plug is fixed on the side wall of the other end of the crushing roller, the plug is inserted into a first rectangular hole in the other supporting shaft, the inserting rod and the plug are of cuboid structures, and a plurality of crushing rods are fixed on the crushing roller.
Preferably, the first spring is in a compressed state, one end of the plug is attached to the bottom wall in the second rectangular blind hole, the inserting rod is fixedly provided with the chuck, the chuck is clamped on the outer side of the supporting shaft, and the diameter of the chuck is larger than that of the supporting shaft.
In any one of the above aspects, preferably, the charging roller is rotatably connected to the inside of the casing at the upper end of the drum core, the magnetic roller is rotatably connected to the inside of the casing at the lower end of the drum core, and the toner hopper is located at one side of the magnetic roller.
In any of the above schemes, preferably, the sidewall of the toner hopper close to the magnetic roller is provided with a plurality of powder outlets distributed in parallel at equal intervals along the axial direction of the magnetic roller, and the sidewall of the toner hopper close to the magnetic roller is provided with a powder outlet adjusting mechanism to adjust the sizes of the plurality of powder outlets.
In any of the above schemes, preferably, the powder outlet adjusting mechanism includes an eccentric wheel and a deflection driving assembly, the side wall of the carbon powder bin above the powder outlet is rotatably connected with an eccentric shaft, one end of the eccentric shaft is located in the carbon powder bin and is fixed with the eccentric wheel for shielding the powder outlet, the other end of the eccentric shaft is located in the shell outside the carbon powder bin and is used for fixing a gear, and the deflection driving assembly is mounted on the outer side wall of the carbon powder bin above the gear and drives the drive gear to drive the eccentric wheel to rotate so as to adjust the area of the shielded powder outlet.
In any of the above schemes, preferably, the deflection driving assembly includes a rack and an adjusting stud, the rack is slidably connected to the outer side wall of the toner hopper above the gear and engaged with the gear, a support block is fixed on the outer side wall of the toner hopper on both sides of the rack, the adjusting stud is connected to the support block through an internal thread, the adjusting stud penetrates through the support block, and one end of the adjusting stud abuts against the end surface of the rack.
In any of the above schemes, preferably, the side wall of the rack close to the toner hopper is provided with a dovetail sliding groove, the outer side wall of the toner hopper is fixed with a dovetail sliding rail matched with the dovetail sliding groove, and the rack can slide relative to the side wall of the toner hopper through the matching of the dovetail sliding groove and the dovetail sliding rail.
In any of the above schemes, it is preferable that the guide plate is fixed on the inner bottom wall of the shell on one side of the waste powder box close to the drum core, the guide plate is of an L-shaped structure, and the upper end of the guide plate is of an inclined structure, so that redundant carbon powder enters the waste powder box through the guide plate.
Preferably in any one of the above schemes, the positioning plate is fixed on the inner wall of the casing above the waste powder box, two parallel sliding holes are arranged on the side wall of the positioning plate close to the drum core, a scraper is arranged on one side of the positioning plate close to the drum core, two guide rods are fixed on the side wall of one end of the scraper, one ends of the guide rods are inserted into the sliding holes, a second spring is sleeved on the guide rods between the scraper and the positioning plate, the scraper is attached to the peripheral surface of the drum core under the driving of the second spring, and redundant carbon powder on the peripheral surface of the drum core is scraped and dropped on the guide plate by the scraper.
Preferably in any one of the above schemes, the second spring is always in a compressed state, the side wall of the shell close to the waste powder box is hinged with a sealing plate, the top end of the shell is hinged with a maintenance door, and the top end of the carbon powder bin is provided with a powder adding opening.
Compared with the prior art, the waste powder anti-falling selenium drum for the printer has the following beneficial effects:
1. the crushing roller is rotated through the crank handle, and the crushing roller enables the crushing rod to stir and crush the agglomerated carbon powder in the rotating process, so that the phenomenon that the carbon powder is agglomerated for a long time to reduce the powder discharging efficiency and further influence the printing effect is avoided; meanwhile, two ends of the crushing roller are respectively inserted into the first rectangular blind holes on the corresponding support shafts through the insertion rods and the plugs, so that the crushing roller and the support shafts are designed to be detachable, the crushing roller can be conveniently detached and taken out from the carbon powder bin for cleaning and maintenance, and the crushing roller is simple and rapid to mount and detach in an integral mode;
2. through the setting of meal outlet adjustment mechanism, can change the area that shelters from the meal outlet, realize the regulation of meal outlet size, realize the change of meal outlet rate through the difference of meal outlet size to the depth of adjusting the printing character is in order to be applicable to and prints different products.
Drawings
Fig. 1 is a schematic overall structure diagram of a preferred embodiment of a waste powder anti-drop toner cartridge for a printer according to the present invention;
FIG. 2 is a side view of the crushing roller in the toner hopper of FIG. 1;
FIG. 3 is an enlarged view of the powder discharge adjustment mechanism of FIG. 1;
fig. 4 is a side view of the deflection assembly drive gear of fig. 1.
The figures are labeled as follows: 1. a housing; 2. a carbon powder bin; 3. a waste powder box; 4. a baffle; 5. a drum core; 6. a magnetic roller; 7. a charging roller; 8. a crushing roller; 9. a powder outlet; 10. an eccentric wheel; 11. repairing the door; 12. adding powder; 13. a sealing cover; 14. a sealing door; 15. a squeegee; 16. positioning a plate; 17. a second spring; 18. a support shaft; 19. a chuck; 20. inserting a rod; 21. a first spring; 22. a plug; 23. a hand crank; 24. a gear; 25. a rack; 26. an eccentric shaft; 27. a support block; 28. and adjusting the stud.
Detailed Description
In order that the invention may be further understood, the invention will now be described in detail with reference to specific examples.
As shown in fig. 1-4, an embodiment of a waste powder anti-dropping toner cartridge for a printer according to the present invention includes a housing 1, a waste powder box 3, and a toner hopper 2, wherein the housing 1 is internally provided with the waste powder box 3 and the toner hopper 2, the interior of the housing 1 between the waste powder box 3 and the toner hopper 2 is rotatably connected with a drum core 5, the toner hopper 2 is rotatably connected with a crushing mechanism, the crushing mechanism includes a crushing roller 8 and a supporting shaft 18, two opposite side walls in the toner hopper 2 are respectively rotatably connected with the supporting shaft 18 parallel to the axis of the drum core 5, one end side wall of the supporting shaft 18 is provided with a first rectangular blind hole, the other end of one supporting shaft 18 extends to the outside of the housing 1 and fixes a crank 23, the crushing roller 8 is located between the two supporting shafts 18, one end side wall of the crushing roller 8 is provided with a second rectangular blind hole, and the second rectangular blind hole is internally provided with a movable insertion rod 20, a first spring 21 is arranged between the insertion rod 20 and the bottom wall of the second rectangular blind hole, the other end of the insertion rod 20 is driven by the first spring 21 to be inserted into the first rectangular blind hole on one of the supporting shafts 18, a plug 22 is fixed on the side wall of the other end of the crushing roller 8, the plug 22 is inserted into the first rectangular hole on the other supporting shaft 18, the insertion rod 20 and the plug 22 are both of cuboid structures, and a plurality of crushing rods are fixed on the crushing roller 8.
Specifically, 1 internal fixation curb plate of casing, curb plate divide into two cavities with casing 1, and one of them is carbon dust storehouse 2, and another is used for installing drum core 5 and useless powder box 3, and the curb plate is close to magnetic roll 6 and sets up, and the lateral wall that carbon dust storehouse 2 is close to magnetic roll 6 is the curb plate promptly, and the axis of crushing roller 8 is parallel with the axis of drum core 5.
In the embodiment, the crushing roller 8 is rotated through the hand crank 23, and the crushing roller 8 enables the crushing rod to stir and crush the agglomerated carbon powder in the rotating process, so that the phenomenon that the carbon powder agglomeration is reduced to reduce the powder discharging efficiency due to long-time non-use is avoided, and the printing effect is further influenced; simultaneously, the two ends of the crushing roller 8 are respectively inserted into the first rectangular blind holes on the corresponding support shafts 18 through the inserted rods 20 and the plugs 22, so that the crushing roller 8 and the support shafts 18 are designed to be detachable, the crushing roller 8 is conveniently detached and taken out from the carbon powder bin 2 for cleaning and maintenance, and the whole installation and detachment mode is simple and rapid.
The first spring 21 is in a compressed state, one end of the plug 22 is attached to the bottom wall in the second rectangular blind hole, the inserting rod 20 is fixedly provided with the chuck 19, the chuck 19 is clamped on the outer side of the supporting shaft 18, and the diameter of the chuck 19 is larger than that of the supporting shaft 18. The diameter of the chuck 19 is larger than that of the supporting shaft 18, so that when the crushing roller 8 is detached or installed, the chuck 19 can be conveniently and manually driven to enable the insertion rod 20 to move into the second rectangular blind hole, and the operation is convenient and fast.
The charging roller 7 is rotatably connected inside the casing 1 at the upper end of one side of the drum core 5, the magnetic roller 6 is rotatably connected inside the casing 1 at the lower end of one side of the drum core 5, and the carbon powder bin 2 is positioned at one side of the magnetic roller 6.
Furthermore, a plurality of powder outlets 9 which are distributed in parallel along the axial direction of the magnetic roller 6 at equal intervals are arranged on the side wall of the carbon powder bin 2 close to the magnetic roller 6, and a powder outlet adjusting mechanism is arranged on the side wall of the carbon powder bin 2 close to the magnetic roller 6 so as to adjust the sizes of the powder outlets 9.
Preferably, the powder outlet adjusting mechanism comprises an eccentric wheel 10 and a deflection driving assembly, an eccentric shaft 26 is rotatably connected to the side wall of the toner hopper 2 above the powder outlet 9, one end of the eccentric shaft 26 is positioned in the toner hopper 2 and fixes the eccentric wheel 10 for shielding the powder outlet 9, the other end of the eccentric shaft 26 is positioned in the housing 1 outside the toner hopper 2 and fixes a gear 24, the deflection driving assembly is arranged on the outer side wall of the toner hopper 2 above the gear 24 and drives the gear 24 to drive the eccentric wheel 10 to rotate so as to adjust the area for shielding the powder outlet 9, and the side wall surface of the eccentric wheel 10 is attached to the side wall surface of the toner hopper 2 around the powder outlet 9.
Further, the deflection driving assembly comprises a rack 25 and an adjusting stud 28, the rack 25 is slidably connected to the outer side wall of the toner hopper 2 above the gear 24 and meshed with the gear 24, supporting blocks 27 are fixed on the outer side walls of the toner hopper 2 on two sides of the rack 25, the adjusting stud 28 is connected to the supporting blocks 27 in an internal thread mode, the adjusting stud 28 penetrates through the supporting blocks 27, one end of the adjusting stud 28 abuts against the end face of the rack 25, and the central line of the rack 25 is perpendicular to the axis of the magnetic roller 6.
Specifically, be equipped with the forked tail spout on the lateral wall that rack 25 is close to carbon powder storehouse 2, fixed and forked tail spout complex forked tail slide rail on the lateral wall in carbon powder storehouse 2, through the cooperation of forked tail spout with the forked tail slide rail, make rack 25 2 lateral walls in the relative carbon powder storehouse can slide.
Go out powder adjustment mechanism when using, two regulation double-screw bolts 28 of manual rotation, regulation double-screw bolt 28 moves along the axis direction of drum core 5, it removes to promote rack 25 at the removal in-process, rack 25 removes in-process drive gear 24 and makes eccentric shaft 26 rotatory, thereby it is rotatory to drive eccentric wheel 10, and then the change shelters from the area of meal outlet 9, realize the regulation of meal outlet 9 size, the change of meal outlet rate is realized through the difference of meal outlet 9 size, thereby adjust the depth of printing the character in order to be applicable to and print different products.
Fixed location board 16 on the 1 inner wall of casing of 3 tops of waste powder box, locating board 16 is equipped with two parallel distribution's slide opening on being close to the lateral wall of drum core 5, and one side that locating board 16 is close to drum core 5 sets up scraper blade 15, two guide bars of fixed on the one end lateral wall of scraper blade 15, the one end of guide bar is injected in the slide opening, the cover has second spring 17 on the guide bar between scraper blade 15 and the locating board 16, scraper blade 15 laminates at the peripheral surface of drum core 5 under the drive of second spring 17, scraper blade 15 strikes off and falls on guide plate 4 with the unnecessary carbon dust of drum core 5 peripheral surface.
The scraper 15 scrapes off the unnecessary carbon powder on the drum core 5 and falls on the guide plate 4, then slides into the waste powder box 3 and stores, avoids the waste powder and new powder to mix and influence the printing effect.
The second spring 17 is in compression state all the time, it has the closing plate to articulate on the lateral wall that casing 1 is close to waste powder box 3, the top of casing 1 articulates there is maintenance door 11, the top in carbon powder storehouse 2 sets up the opening, and the opening is sealed through sealed lid 13, set up powder adding mouth 12 on the sealed lid 13. The sealing cover 13 is fixed with the top wall of the shell 1 through screws, and carbon powder is supplemented into the carbon powder bin 2 through the powder adding port 12.
The working principle of the embodiment is as follows: when the crushing roller 8 is disassembled, the sealing cover 13 is taken down from the shell 1, the chuck 19 is manually driven to enable the insertion rod 20 to move towards the crushing roller 8, so that the insertion rod 20 is pulled out of the first rectangular blind hole and inserted into the second rectangular blind hole, meanwhile, the first spring 21 is compressed, a gap exists between the insertion rod 20 and the supporting shaft 18 and is enough for the crushing roller 8 to move to enable the plug 22 to be pulled out of the first rectangular blind hole, after the plug 22 is pulled out, the crushing roller 8 is taken out of the two supporting shafts 18, the disassembling function is realized, during installation, the plug 22 is firstly inserted into the first rectangular blind hole in one supporting shaft 18, then the chuck 19 is loosened, the insertion rod 20 is inserted into the first rectangular blind hole under the resetting effect of the first spring 21, the chuck 19 is clamped at the outer side of the supporting shaft 18, and the installation of the crushing roller 8 is completed.
It will be understood by those skilled in the art that the present invention includes any combination of the summary and detailed description of the invention described above and those illustrated in the accompanying drawings, which is not intended to be limited to the details and which, for the sake of brevity of this description, does not describe every aspect which may be formed by such combination. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a printer is with useless powder anti-falling selenium drum which characterized in that: the crushing mechanism comprises a crushing roller and a supporting shaft, wherein the two opposite side walls in the carbon powder bin are respectively rotatably connected with the supporting shaft parallel to the axis of the drum core, a first rectangular blind hole is formed in one side wall of the supporting shaft, the other end of one supporting shaft extends to the outer side of the shell and fixes a crank handle, the crushing roller is positioned between the two supporting shafts, a second rectangular blind hole is formed in one side wall of the crushing roller, a movable insertion rod is arranged in the second rectangular blind hole, a first spring is arranged between the insertion rod and the bottom wall of the second rectangular blind hole, and the other end of the insertion rod is inserted into the first rectangular blind hole in one supporting shaft under the driving of the first spring, the plug is fixed on the side wall of the other end of the crushing roller, the plug is inserted into a first rectangular hole in the other supporting shaft, the inserting rod and the plug are of cuboid structures, and a plurality of crushing rods are fixed on the crushing roller.
2. The waste powder anti-dropping selenium drum for the printer according to claim 1, wherein: the first spring is in a compression state, one end of the plug is attached to the bottom wall in the second rectangular blind hole, the inserting rod is fixedly provided with the chuck, the chuck is clamped on the outer side of the supporting shaft, and the diameter of the chuck is larger than that of the supporting shaft.
3. The waste powder anti-dropping selenium drum for the printer according to claim 1, wherein: the inside rotation of the casing of the upper end of drum core one side connects the roller that charges, and the inside rotation of the casing of drum core one side lower extreme connects the magnetism roller, the carbon powder storehouse is located one side of magnetism roller.
4. The waste powder anti-dropping selenium drum for the printer according to claim 3, wherein: the side wall of the carbon powder bin close to the magnetic roller is provided with a plurality of powder outlets which are distributed in parallel at equal intervals along the axial direction of the magnetic roller, and the side wall of the carbon powder bin close to the magnetic roller is provided with a powder outlet adjusting mechanism so as to adjust the sizes of the powder outlets.
5. The waste powder anti-dropping selenium drum for the printer according to claim 4, wherein: the powder outlet adjusting mechanism comprises an eccentric wheel and a deflection driving assembly, an eccentric shaft is rotatably connected to the side wall of the carbon powder bin above the powder outlet, one end of the eccentric shaft is located in the carbon powder bin and fixedly used for shielding the eccentric wheel of the powder outlet, the other end of the eccentric shaft is located in a shell outside the carbon powder bin and fixedly used for fixing a gear, and the deflection driving assembly is mounted on the outer side wall of the carbon powder bin above the gear and drives the eccentric wheel to rotate so as to adjust the area shielding the powder outlet.
6. The waste powder anti-falling toner cartridge for the printer according to claim 5, wherein: the deflection driving assembly comprises a rack and an adjusting stud, the rack is connected to the outer side wall of the toner hopper above the gear in a sliding mode and meshed with the gear, supporting blocks are fixed to the outer side wall of the toner hopper on two sides of the rack, the adjusting stud is connected to the supporting blocks in a threaded mode and penetrates through the supporting blocks, and one end of the adjusting stud abuts against the end face of the rack.
7. The waste powder anti-dropping selenium drum for the printer according to claim 6, wherein: be equipped with the forked tail spout on the lateral wall that the rack is close to the carbon powder storehouse, fixed on the lateral wall in carbon powder storehouse with forked tail spout complex forked tail slide rail, through the cooperation of forked tail spout with the forked tail slide rail, make the relative carbon powder storehouse lateral wall of rack can slide.
8. The waste powder anti-dropping selenium drum for the printer according to claim 1, wherein: the guide plate is fixed on the inner bottom wall of the shell on one side, close to the drum core, of the waste powder box, the guide plate is of an L-shaped structure, and the upper end of the guide plate is of an inclined structure, so that redundant carbon powder enters the waste powder box through the guide plate.
9. The waste powder anti-dropping selenium drum for the printer according to claim 8, wherein: the utility model discloses a drum powder box, including the waste powder box, the locating plate is fixed on the shells inner wall of waste powder box top, the locating plate is equipped with two parallel distribution's slide opening on being close to the lateral wall of drum core, and one side that the locating plate is close to the drum core sets up the scraper blade, two fixed guide bars on the one end lateral wall of scraper blade, the one end of guide bar injects in the slide opening, the cover has the second spring on the guide bar between scraper blade and the locating plate, the scraper blade is laminated at the peripheral surface of drum core under the drive of second spring, the scraper blade strikes off the unnecessary carbon dust of drum core peripheral surface and drops on the guide plate.
10. The waste powder anti-falling toner cartridge for the printer according to claim 9, wherein: the second spring is in compression state all the time, it has the closing plate to articulate on the casing is close to the lateral wall of useless powder box, the top of casing articulates there is the maintenance door, the top in carbon powder storehouse sets up the powder mouth that adds.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110956010.2A CN113759682A (en) | 2021-08-19 | 2021-08-19 | Waste powder anti-falling selenium drum for printer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110956010.2A CN113759682A (en) | 2021-08-19 | 2021-08-19 | Waste powder anti-falling selenium drum for printer |
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| CN113759682A true CN113759682A (en) | 2021-12-07 |
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| CN208569306U (en) * | 2018-08-02 | 2019-03-01 | 珠海市品格科技有限公司 | A kind of toner cartridge carbon dust mixing component |
| CN109008151A (en) * | 2018-09-18 | 2018-12-18 | 郑州默尔电子信息技术有限公司 | A kind of nozzle of hair dryer of adjustable section |
| CN211024649U (en) * | 2019-10-24 | 2020-07-17 | 德阳市人民医院 | Tracheal catheter |
| CN210801898U (en) * | 2019-11-18 | 2020-06-19 | 成都市祺隆中药饮片有限公司 | Herbal pieces-disinfects and drying device |
| CN213240811U (en) * | 2020-08-28 | 2021-05-18 | 王金富 | Printer selenium drum with waste powder automatic collection function |
| CN213092102U (en) * | 2020-09-14 | 2021-04-30 | 珠海瑞彩电子科技有限公司 | Printing toner cartridge convenient to operate and with tension spring for windowing |
| CN213603820U (en) * | 2020-09-27 | 2021-07-06 | 广州任穗孵化机设备有限公司 | Belt transmission fan with adjustable air volume for incubator |
| CN112495475A (en) * | 2020-11-09 | 2021-03-16 | 广州万为通达科技有限公司 | Building rubbish recycling equipment |
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