CN220855452U

CN220855452U - Developing box

Info

Publication number: CN220855452U
Application number: CN202322397297.7U
Authority: CN
Inventors: 于洋; 孔继娥; 施娟; 李金博; 张迎爽; 叶仁
Original assignee: Toec Jiuyuan Technology Co ltd
Current assignee: Toec Jiuyuan Technology Co ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2024-04-26
Anticipated expiration: 2033-09-04

Abstract

The utility model discloses a developing box which comprises a powder bin lower cover, a powder bin upper cover, a developing roller, a gear protecting cover and a powder discharging knife, wherein a powder supplying roller is arranged on the inner wall of the powder bin lower cover, two long Mao Maozhan are arranged in the powder bin lower cover, two long felt strips are respectively positioned on the left side and the right side of the powder supplying roller, a powder bin sealing sponge strip is arranged between the powder discharging knife and the powder supplying roller, a powder supplying round roller sealing sponge is arranged on the inner wall of the powder bin lower cover, and a powder box sealing scraper is arranged on the inner wall of the powder bin lower cover. This device can effectually prevent through using long Mao Maozhan to replace ordinary felt that the long-time printing of powder box can produce the circumstances that flies upward powder or go out powder, can make the developing box carry out better sealedly, makes the carbon dust utilization ratio higher, through being provided with powder storehouse seal sponge strip and powder supply roller seal sponge, can improve the leakproofness when using greatly, reduces the number of times of changing the powder box, improves the life of developing box, reduces use cost.

Description

Developing box

Technical Field

The utility model relates to the field of developing cartridges, in particular to a developing cartridge.

Background

The developing box is often used in the printing process of a laser printer, a copying machine and the like, the developing box and the selenium drum box form a processing box, the surface of the selenium drum is firstly charged by a charging electrode to obtain a certain potential, and then an electrostatic latent image is formed on the surface of the selenium drum through exposure of a laser beam carrying graphic image information and is developed through a developing device.

Chinese patent publication No. CN205787606U discloses a box comprising: a housing for accommodating toner; a developing roller extending in a predetermined direction; a detection gear rotatable about a rotation shaft extending in a predetermined direction; a first agitator for agitating the toner in the housing; a second agitator for agitating the toner in the housing; a first agitator gear engaged with the detection gear and connected to the first agitator for rotating the first agitator; the utility model provides a new structure capable of detecting necessary information by utilizing rotation of the gear in the box for replacement, but in the patent, the condition of flying powder or discharging powder can occur due to poor sealing effect on two sides of a developing roller when the developing roller is used for imaging, so that the waste of the carbon powder is caused, the service life of the developing box is shortened, and the problem of high manufacturing cost exists in the process of frequently replacing the powder box.

Disclosure of utility model

The present utility model is directed to a developing cartridge to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a developing box, includes powder storehouse lower cover, powder storehouse upper cover, developing roller, gear protecting cover and goes out the powder sword, the inner wall of powder storehouse lower cover is installed and is supplied the powder roller, the inside of powder storehouse lower cover all is equipped with two long Mao Maozhan, two long felt are located the left and right sides that supplies the powder roller respectively, go out and be equipped with powder storehouse seal sponge strip between powder sword and the powder roller, the inner wall of powder storehouse lower cover is installed and is supplied powder round roller seal sponge, the inner wall of powder storehouse lower cover is installed powder box seal doctor-bar.

In a further embodiment, a gear support is mounted on the outer surface of the powder bin lower cover, a driving gear is mounted on the outer surface of the gear support, a developing round roller gear is mounted at the right end of the developing roller, a powder feeding round roller gear is mounted at the right end of the powder supply roller, the developing round roller gear and the powder feeding round roller gear are both meshed with the driving gear, and a transmission gear is mounted on the outer surface of the gear support and meshed with the driving gear.

In a further embodiment, a stirring frame is mounted on the inner wall of the powder bin lower cover, stirring circular frame blades are mounted on the outer surface of the stirring frame, a stirring circular frame gear is mounted at the right end of the stirring frame, and the stirring circular frame gear is meshed with the transmission gear.

In a further embodiment, the outer surface threaded connection of gear protecting cover has the screw, reset spring is installed to the left side of gear protecting cover, the left side of gear protecting cover is equipped with the jump ring, the outer surface mounting of gear support has reset gear, the right-hand development roller axle sleeve that is equipped with of gear protecting cover, and development roller axle sleeve and development roller looks adaptation.

In a further embodiment, the outer surface of the powder bin lower cover and the outer surface of the powder bin upper cover are connected with a protective cover together, the outer surface of the powder bin lower cover is provided with a light-transmitting window, and the left side of the powder bin lower cover is provided with a plug.

In a further embodiment, a conductive end cover is mounted on the left side face of the powder bin lower cover, a powder feeding roller D-shaped sponge is arranged between the powder bin lower cover and the conductive end cover, and a carbon powder cover is connected to the right side face of the powder bin lower cover in a threaded mode.

Compared with the prior art, the utility model has the beneficial effects that:

This device can effectually prevent through using long Mao Maozhan to print for a long time and can produce the circumstances that flies upward powder or go out powder through using long Mao Maozhan to replace ordinary felt, can make the developing box carry out better sealedly, make the carbon dust utilization ratio higher, through being provided with the sealed sponge strip of powder storehouse and supplying the sealed sponge of powder roller, can improve the leakproofness when using greatly, reduce the number of times of changing the powder box, improve the life of developing box, through setting the developing roller to hollow structure, use aluminum alloy developing roller, increase carriage and stirring circular frame blade can make full use of the inside carbon dust of powder storehouse when printing, reduce use cost.

Drawings

Fig. 1 is a schematic perspective view of a developing cartridge.

Fig. 2 is an exploded view of the developing cartridge.

Fig. 3 is a schematic side view of a gear cover in the developing cartridge.

Fig. 4 is a schematic side sectional structure of the developing cartridge.

Fig. 5 is a schematic perspective view of a protective cover in the developing cartridge.

In the figure: 1. a protective cover; 2. a developing roller; 3. a powder supply roller; 4. a powder outlet knife; 5. a powder box sealing scraping blade; 6. sealing the sponge strips in the powder bin; 7. sealing sponge by a powder supply round roller; 8. a gear bracket; 9. a length Mao Maozhan; 10. developing a round roller gear; 11. a powder feeding round roller gear; 12. a transmission gear; 13. stirring the circular rack gear; 14. clamping springs; 15. developing a round roller shaft sleeve; 16. a screw; 17. a gear cover; 18. a return spring; 19. a reset gear; 20. a carbon powder cover; 21. a powder bin lower cover; 22. a powder bin upper cover; 23. a light-transmitting window; 24. d-shaped sponge of powder feeding roller; 25. a conductive end cap; 26. a drive gear; 27. a stirring rack; 28. stirring the round frame blades; 29. and (5) plugging.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, in the utility model, a developing cartridge comprises a lower powder bin cover 21, an upper powder bin cover 22, a developing roller 2, a gear protecting cover 17 and a powder discharging knife 4, wherein a powder supplying roller 3 is arranged on the inner wall of the lower powder bin cover 21, two lengths Mao Maozhan are respectively arranged in the lower powder bin cover 21, two lengths Mao Maozhan are respectively positioned on the left side and the right side of the powder supplying roller 3, a powder bin sealing sponge strip 6 is arranged between the powder discharging knife 4 and the powder supplying roller 3, a powder supplying round roller sealing sponge 7 is arranged on the inner wall of the lower powder bin cover 21, a powder cartridge sealing scraping blade 5 is arranged on the inner wall of the lower powder bin cover 21, the powder supplying round roller sealing sponge 7 is circular, the long felt 9 is used for replacing the common felt, so that the problem caused by long-time printing of the powder box can be effectively prevented, for example, powder is printed upwards, PORON cotton is used at the bottom of the long felt 9, long wool materials are woven on the PORON cotton to be in contact with the developing roller 2, when the long felt is installed, the long wool structure on the long felt 9 faces the inner side of a powder bin, powder can be prevented when the powder box is printed, the torque of the powder box can be reduced, the developing roller 2 is arranged to be of a hollow structure, the developing roller 2 is made of aluminum alloy materials, rubber is wrapped on the surface of the developing roller 2, the developing roller 2 is easy to process, the rubber usage amount is small, and the production cost is reduced.

The gear bracket 8 is arranged on the outer surface of the powder bin lower cover 21, the driving gear 26 is arranged on the outer surface of the gear bracket 8, the developing roller gear 10 is arranged on the right end of the developing roller 2, the powder feeding roller gear 11 is arranged on the right end of the powder feeding roller 3, the developing roller gear 10 and the powder feeding roller gear 11 are both meshed with the driving gear 26, the transmission gear 12 is arranged on the outer surface of the gear bracket 8, the transmission gear 12 is meshed with the driving gear 26, the enlarged stirring frame 27 enables the toner utilization rate inside the powder box to be higher, waste is reduced, the running can be smoother during printing, the stirring frame 27 is arranged on the inner wall of the powder bin lower cover 21, the stirring roller blade 28 is arranged on the outer surface of the stirring frame 27, the stirring roller gear 13 is arranged on the right end of the stirring frame 27, the stirring roller gear 13 is meshed with the transmission gear 12, the operation convenience of a user during use is improved, the advantage of higher practicability is achieved, the outer surface threaded connection of the gear protecting cover 17 is provided with the reset screw 16, the left side surface of the protecting cover 17 is provided with the reset spring 18, the left side of the protecting cover 17 is provided with the reset protecting cover 14, the protecting cover 19 is provided with the reset protecting covers 19, the protecting the developing roller 17 is mounted on the right side of the developing roller 2, the developing roller is more suitable for the developing roller, and the developing roller is prevented from being matched with the protecting the roller 15, and the developing roller is more suitable for the developing roller and the developing roller.

The surface of powder storehouse lower cover 21 and the surface of powder storehouse upper cover 22 are connected with safety cover 1 jointly, the light-transmitting window 23 has been seted up to the surface of powder storehouse lower cover 21, the left side of powder storehouse lower cover 21 is equipped with end cap 29, can observe through light-transmitting window 23, the convenience when improving the use, conductive end cover 25 is installed to the left surface of powder storehouse lower cover 21, be equipped with between powder storehouse lower cover 21 and the conductive end cover 25 and send powder roller D shape sponge 24, the right side threaded connection of powder storehouse lower cover 21 has toner cover 20, further improve the leakproofness when using, reduce the waste of toner, save the cost, life is higher.

The working principle of the utility model is as follows:

When the device is used, a power supply is connected, the driving gear 26 drives the powder feeding round roller gear 11, the developing round roller gear 10 and the transmission gear 12 to rotate, the transmission gear 12 drives the stirring round rack gear 13 to rotate, the transmission gear 12 drives the counting gear, the counting gear can charge a machine, the stirring round rack gear 13 drives the stirring rack 27 to rotate, the stirring rack 27 and the stirring round rack blades 28 stir carbon powder in the powder box, the carbon powder is supplied to the powder feeding roller 3, the powder feeding roller 3 provides the carbon powder for the developing roller 2, the developing roller 2 contacts with the developing imaging component to print, and good sealing effect can be achieved through the arranged powder bin sealing sponge strip 6, the powder feeding round roller sealing sponge 7 and the powder feeding roller D-shaped sponge 24 during printing, and waste of the carbon powder is reduced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A developing cartridge, characterized in that: including powder storehouse lower cover (21), powder storehouse upper cover (22), developing roller (2), gear protecting cover (17) and play powder sword (4), supply powder roller (3) are installed to the inner wall of powder storehouse lower cover (21), the inside of powder storehouse lower cover (21) all is equipped with two long felt (9), two long Mao Maozhan (9) are located the left and right sides that supplies powder roller (3) respectively, be equipped with powder storehouse seal sponge strip (6) between play powder sword (4) and the powder roller (3), supply powder roller seal sponge (7) are installed to the inner wall of powder storehouse lower cover (21), powder box seal doctor-blade (5) are installed to the inner wall of powder storehouse lower cover (21).

2. A developing cartridge according to claim 1, wherein: the external surface mounting of powder storehouse lower cover (21) has gear support (8), gear support (8)'s external surface mounting has drive gear (26), development roller (10) are installed to the right-hand member of developing roller (2), send powder roller gear (11) are installed to the right-hand member of powder feed roller (3), and develop roller gear (10) and send powder roller gear (11) all to mesh with drive gear (26), gear support (8)'s external surface mounting has drive gear (12), and drive gear (12) mesh with drive gear (26).

3. A developing cartridge according to claim 1, wherein: the inner wall of powder storehouse lower cover (21) is installed stirring frame (27), stirring circle frame blade (28) are installed to the surface mounting of stirring frame (27), stirring circle frame gear (13) are installed to the right-hand member of stirring frame (27), and stirring circle frame gear (13) meshes with drive gear (12).

4. A developing cartridge according to claim 2, wherein: the outer surface threaded connection of gear protecting cover (17) has screw (16), reset spring (18) are installed to the left side of gear protecting cover (17), the left side of gear protecting cover (17) is equipped with jump ring (14), the surface mounting of gear support (8) has reset gear (19), the right-hand development roller axle sleeve (15) that is equipped with of gear protecting cover (17), and development roller axle sleeve (15) and development roller (2) looks adaptation.

5. A developing cartridge according to claim 1, wherein: the outer surface of powder storehouse lower cover (21) and the outer surface of powder storehouse upper cover (22) are connected with safety cover (1) jointly, light-transmitting window (23) have been seted up to the surface of powder storehouse lower cover (21), the left side of powder storehouse lower cover (21) is equipped with end cap (29).

6. A developing cartridge according to claim 1, wherein: the left side face of the powder bin lower cover (21) is provided with a conductive end cover (25), a powder feeding roller D-shaped sponge (24) is arranged between the powder bin lower cover (21) and the conductive end cover (25), and the right side face of the powder bin lower cover (21) is connected with a carbon powder cover (20) in a threaded mode.