CN216485989U

CN216485989U - Selenium drum with improved photosensitive drum conductive shaft

Info

Publication number: CN216485989U
Application number: CN202122554923.XU
Authority: CN
Inventors: 彭雄富
Original assignee: Huizhou Tuofeng Electronic Technology Co ltd
Current assignee: Huizhou Tuofeng Electronic Technology Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-05-10
Anticipated expiration: 2031-10-22

Abstract

The utility model relates to the technical field of toner cartridges, and discloses a toner cartridge for improving a conductive shaft of a photosensitive drum, which comprises a shell and a toner cartridge main body, wherein the toner cartridge main body comprises a powder bin and a waste powder bin, the powder bin is provided with a magnetic roller and a powder feeding roller for conveying carbon powder to the magnetic roller, the waste powder bin is provided with a drum core, a charging roller and a scraper, the charging roller is in mutual contact with the drum core, the scraper is arranged below the drum core, two sides of the waste powder bin are also provided with a first side cover and a second side cover, the first side cover is provided with a first short shaft, the second side cover is provided with a second short shaft, and two ends of the drum core are respectively connected with the first short shaft and the second short shaft; the utility model has the following advantages: 1. the long shaft of the photosensitive drum is set into two short shafts, so that raw materials are saved, and the production cost is effectively reduced; 2. the modified conductive side cover and the modified gear side cover are convenient and quick to assemble, and the production efficiency is effectively improved; 3. the whole structure is simple, the processing difficulty is reduced, and the use is convenient.

Description

Selenium drum with improved photosensitive drum conductive shaft

Technical Field

The utility model relates to the technical field of toner cartridges, in particular to a toner cartridge with an improved photosensitive drum conductive shaft.

Background

A cartridge, also known as a photosensitive drum, is generally composed of a base substrate made of aluminum, and a photosensitive material coated on the base substrate. 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. The cartridge determines not only the quality of the print, but also the amount of money the user spends during use.

The general working principle of the toner cartridge is as follows: firstly, the printing signal transmitted from the computer is converted into a pulse signal, and then the pulse signal is transmitted to the laser. At the moment, the charging roller of the laser printer has already finished uniformly charging the surface of the drum core, the laser emits laser to offset the charge of the image part on the drum core, an invisible electrostatic image is formed on the drum core, and the carbon powder on the developing roller is adsorbed to the drum core through the electrostatic principle, so that the image can be observed on the drum core by naked eyes at the moment. After which transfer is performed by a transfer roller. The selenium drum is one of the important components of the printer, and the conductive long shaft is usually assembled inside the aluminum pipe of the photosensitive drum on the current market and used for installation and conduction of the photosensitive drum, but the conductive long shaft is very inconvenient to assemble when the selenium drum is installed or the selenium drum is disassembled, the photosensitive layer is easy to damage, the manufacturing cost of the conductive long shaft is high, and the production requirement cannot be met. In view of the above, the inventors have made a new invention.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a selenium drum with an improved photosensitive drum conductive shaft, aiming at the defects of the prior art, and the selenium drum has the advantages of convenience in assembly, low cost and the like.

In order to achieve the purpose, the utility model relates to a toner cartridge for improving a conductive shaft of a photosensitive drum, which comprises a shell and a toner cartridge main body, wherein the toner cartridge main body comprises a powder bin and a waste powder bin, the powder bin is provided with a magnetic roller and a powder feeding roller for conveying carbon powder to the magnetic roller, the waste powder bin is provided with a drum core, a charging roller and a scraper, the charging roller is in mutual contact with the drum core, the scraper is arranged below the drum core, two sides of the waste powder bin are also provided with a first side cover and a second side cover, the first side cover is provided with a first short shaft, the second side cover is provided with a second short shaft, and two ends of the drum core are respectively connected with the first short shaft and the second short shaft.

Further, the drum core comprises a metal tube and a photosensitive layer coated on the metal tube, wherein a first conductive sheet is arranged on the inner wall of the metal tube, and the first conductive sheet is connected with the second short shaft.

Furthermore, the second side cover is provided with a second conducting strip, and the second conducting strip is connected with the second short shaft and extends to the outer side of the second side cover.

Preferably, the powder bin is provided with a stirring shaft, the stirring shaft is provided with a plurality of protrusions, and the stirring shaft is provided with a stirring shaft gear.

Further, the magnetic roller is provided with a magnetic roller gear, the powder feeding roller is provided with a powder feeding roller gear, the drum core is provided with a drum core gear, the drum core gear is meshed with the magnetic roller gear, and the magnetic roller gear is meshed with the powder feeding roller gear.

Furthermore, transmission devices are further arranged at two ends of the powder bin and comprise a first transmission gear, a second transmission gear and a third transmission gear, the powder feeding roller gear is meshed with the first transmission gear, the first transmission gear is meshed with the second transmission gear, the second transmission gear is meshed with the third transmission gear, and the third transmission gear is meshed with the stirring shaft gear.

Preferably, the powder bin is provided with a powder adding port, the powder adding port is provided with a first sealing rubber plug, the waste powder bin is provided with a powder outlet, and the powder outlet is provided with a second sealing rubber plug.

Preferably, the housing is provided with a mounting bracket to facilitate installation.

Preferably, the first side cover and the second side cover are further provided with separating pieces, and the separating pieces are arranged between the drum core and the charging roller.

Has the advantages that: compared with the prior art, the utility model discloses a selenium drum for improving a conductive shaft of a photosensitive drum, which comprises a shell and a selenium drum main body, wherein the selenium drum main body comprises a powder bin and a waste powder bin, the powder bin is provided with a magnetic roller and a powder feeding roller for conveying carbon powder to the magnetic roller, the waste powder bin is provided with a drum core, a charging roller and a scraper, the charging roller is in mutual contact with the drum core, the scraper is arranged below the drum core, two sides of the waste powder bin are also provided with a first side cover and a second side cover, the first side cover is provided with a first short shaft, the second side cover is provided with a second short shaft, and two ends of the drum core are respectively connected with the first short shaft and the second short shaft; the utility model has the following advantages: 1. the long shaft of the photosensitive drum is set into two short shafts, so that raw materials are saved, and the production cost is effectively reduced; 2. the modified conductive side cover and the modified gear side cover are convenient and quick to assemble, and the production efficiency is effectively improved; 3. the whole structure is simple, the processing difficulty is reduced, and the use is convenient.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a schematic view of the powder bin structure of the present invention.

Fig. 3 is a schematic structural diagram of the first and second edge covers of the present invention.

Fig. 4 is a schematic cross-sectional structure of the drum core of the present invention.

FIG. 5 is a schematic view of the waste bin structure of the present invention.

Fig. 6 is a schematic view of the internal structure of the back of the main body of the cartridge of the present invention.

Fig. 7 is a schematic view of the structure of the mounting frame of the present invention.

Fig. 8 is a schematic view of the front internal structure of the cartridge body of the present invention.

Fig. 9 is a schematic structural diagram of the transmission device of the utility model.

The reference numerals include:

a shell body-1, a toner cartridge main body-2, a powder bin-3, a magnetic roller-31, a magnetic roller gear-311, a powder feeding roller-32, a powder feeding roller gear-321, a powder adding port-33, a first sealing rubber plug-34, a powder outlet port-35, a second sealing rubber plug-36, a waste powder bin-4, a drum core-41, a metal pipe-411, a photosensitive layer-412, a first conducting strip-413, a drum core gear-414, a charging roller-42, a scraper-43, a first edge cover-5, a first short shaft-51, a second edge cover-6, a second short shaft-61, a second conducting strip-62, a stirring shaft-7, a bending part-71, a stirring shaft gear-72, a transmission device-8, a first transmission wheel-81, a second transmission wheel-82, a third transmission wheel-83, a mounting frame-9 and a separating piece-10.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 9.

The utility model relates to a toner cartridge for improving a conductive shaft of a photosensitive drum, which comprises a shell 1 and a toner cartridge main body 2, wherein the toner cartridge main body 2 comprises a powder bin 3 and a waste powder bin 4, the powder bin 3 is provided with a magnetic roller 31 and a powder feeding roller 32 for conveying carbon powder to the magnetic roller 31, the waste powder bin 4 is provided with a drum core 41, a charging roller 42 and a scraper 43, the charging roller 42 is in mutual contact with the drum core 41, the scraper 43 is arranged below the drum core 41, two sides of the waste powder bin 4 are also provided with a first side cover 5 and a second side cover 6, the first side cover 5 is provided with a first short shaft 51, the second side cover 6 is provided with a second short shaft 61, and two ends of the drum core 41 are respectively connected with the first short shaft 51 and the second short shaft 61. The utility model is further optimized on the common toner cartridge of the printer, the long shaft provided with the drum core 41 is replaced by the short shaft arranged on the two side covers, thereby not only saving raw materials, but also effectively reducing the production cost, and meanwhile, the modified conductive side cover and the gear side cover are convenient and quick to assemble, effectively improving the production efficiency, and leading the toner cartridge to have simple integral structure, low processing difficulty and convenient use.

In this embodiment, the drum core 41 includes a metal tube 411 and a photosensitive layer 412 coated on the metal tube 411, a first conductive sheet 413 is disposed on an inner wall of the metal tube 411, and the first conductive sheet 413 is connected to the second short shaft 61. In the working process of the drum core 41, charging is needed to adsorb carbon powder with charges, the charges of the selenium drum mainly come from the charging roller 42, and when one-time printing is finished, the charges remained on the drum core 41 can be guided away through the first conducting strip 413 to prepare for the next-time printing. In this embodiment, the first conductive plate 413 is disposed at the conductive end instead of the gear end, so as to reduce the conductive path.

In order to lead the electric charge on the second short shaft 61 out of the drum core 41 smoothly, the second side cover 6 is provided with a second conductive sheet 62, the second conductive sheet 62 is connected with the second short shaft 61 and extends to the outer side of the second side cover 6, and the second conductive sheet 62 is connected with the printer body, so that the electric charge output is facilitated.

In order to further optimize the equipment, a stirring shaft 7 is further arranged inside the powder bin 3, the stirring shaft 7 is provided with a plurality of protrusions 71, and the stirring shaft 7 is provided with a stirring shaft gear 72. In use, the stirring shaft 7 rotates, and the plurality of protrusions 71 continuously stir the carbon powder in the powder bin 3. The stirring shaft 7 can make the charged carbon powder in the powder bin 3 more uniform in a mixing way, so that the powder adsorbed by the drum core 41 is more uniform, and the printing quality of the printer is ensured.

In the present invention, the magnetic roller 31 is provided with a magnetic roller gear 311, the powder feeding roller 32 is provided with a powder feeding roller gear 321, the drum core 41 is provided with a drum core gear 414, the drum core gear 414 is engaged with the magnetic roller gear 311, and the magnetic roller gear 311 is engaged with the powder feeding roller gear 321.

Furthermore, the two ends of the powder bin 3 are further provided with transmission devices 8, each transmission device 8 comprises a first transmission gear 81, a second transmission gear 82 and a third transmission gear 83, the powder feeding roller gear 321 is meshed with the first transmission gear 81, the first transmission gear 81 is meshed with the second transmission gear 82, the second transmission gear 82 is meshed with the third transmission gear 83, and the third transmission gear 83 is meshed with the stirring shaft gear 72. When the toner transferring device runs, the three transmission gears of the transmission device 8 rotate to drive the toner feeding roller gear 321 to rotate, and the toner feeding roller 32 correspondingly drives the magnetic roller 31 and the drum core 41 to rotate, so that the toner is conveyed and transferred.

As shown in the figure, the powder bin 3 is provided with a powder adding port 33, the powder adding port 33 is provided with a first sealing rubber plug 34, the waste powder bin 4 is provided with a powder outlet 35, and the powder outlet 35 is provided with a second sealing rubber plug 36. The traditional selenium drum is used up in powder storehouse 3 powder or when the powder in the useless powder storehouse 4 is gathered fully, and the selenium drum just needs to be changed, and the expense is high, uneconomical, sets up powder filler 33 and play powder mouth 35 in powder storehouse 3 and useless powder storehouse 4 and can directly carry out the powder filling to the selenium drum, and is both economical, uses convenient again.

In this technical scheme, casing 1 is provided with the mounting bracket 9 of being convenient for the installation. General selenium drum only is provided with the handle of being convenient for snatch, and in this selenium drum, the inventor sets up many mounting brackets 9 on this basis, is provided with the hole site of a plurality of different shapes on the mounting bracket 9, and the hole site is mutually supported with the printer main part, makes the selenium drum when the installation, further fixed, phenomenon such as aversion can not appear, guarantees to print the quality.

Also, the first and second side covers 5 and 6 are provided with a separating member 10, and the separating member 10 is provided between the drum core 41 and the charging roller 42. The separating piece 10 can be arranged on the first side cover 5 and the second side cover 6 in an inserting mode, the drum core 41 and the charging roller 42 are temporarily separated, and the phenomenon that the drum core 41 generates an indentation to influence the printing quality due to long-time contact between the drum core 41 and the charging roller 42 in the storage and transportation processes is avoided.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. The utility model provides an improve selenium drum of photosensitive drum conductive shaft, includes casing (1), its characterized in that: still include selenium drum main part (2), selenium drum main part (2) are including powder storehouse (3) and useless powder storehouse (4), powder storehouse (3) are provided with magnetic roller (31) and are used for transporting powder feeding roller (32) of carbon dust for magnetic roller (31), useless powder storehouse (4) are provided with drum core (41), charge roller (42) and scraper (43), charge roller (42) and drum core (41) contact each other, scraper (43) set up in drum core (41) below, useless powder storehouse (4) both sides still are provided with first limit lid (5) and second limit lid (6), first limit lid (5) are provided with first minor axis (51), and second limit lid (6) are provided with second minor axis (61), and first minor axis (51) and second minor axis (61) are connected respectively to drum core (41) both ends.

2. The cartridge of claim 1, wherein: the drum core (41) comprises a metal tube (411) and a photosensitive layer (412) coated on the metal tube (411), a first conductive sheet (413) is arranged on the inner wall of the metal tube (411), and the first conductive sheet (413) is connected with a second short shaft (61).

3. The cartridge of claim 1, wherein: the second side cover (6) is provided with a second conducting strip (62), and the second conducting strip (62) is connected with the second short shaft (61) and extends to the outer side of the second side cover (6).

4. The cartridge of claim 1, wherein: the powder bin (3) is provided with a stirring shaft (7), the stirring shaft (7) is provided with a plurality of protruding parts (71), and the stirring shaft (7) is provided with a stirring shaft gear (72).

5. The cartridge of claim 4, wherein: the magnetic roller (31) is provided with a magnetic roller gear (311), the powder feeding roller (32) is provided with a powder feeding roller gear (321), the drum core (41) is provided with a drum core gear (414), the drum core gear (414) is meshed with the magnetic roller gear (311), and the magnetic roller gear (311) is meshed with the powder feeding roller gear (321).

6. The cartridge of claim 5, wherein: powder storehouse (3) both ends still are provided with transmission (8), transmission (8) include first drive gear (81), second drive gear (82) and third drive gear (83), powder feeding roller gear (321) meshing first drive gear (81), first drive gear (81) meshing second drive gear (82), second drive gear (82) meshing third drive gear (83), third drive gear (83) meshing stirring shaft gear (72).

7. The cartridge of claim 1, wherein: the powder bin (4) is provided with a powder adding opening (33), the powder adding opening (33) is provided with a first sealing rubber plug (34), the waste powder bin (4) is provided with a powder outlet (35), and the powder outlet (35) is provided with a second sealing rubber plug (36).

8. The cartridge of claim 1, wherein: the shell (1) is provided with a mounting rack (9) convenient to mount.

9. The cartridge of claim 1, wherein: the first side cover (5) and the second side cover (6) are further provided with a separating piece (10), and the separating piece (10) is arranged between the drum core (41) and the charging roller (42).