CN219676447U

CN219676447U - Selenium drum structure

Info

Publication number: CN219676447U
Application number: CN202320649786.4U
Authority: CN
Inventors: 陈万祥
Original assignee: Zhongshan Gujia Technology Co ltd
Current assignee: Zhongshan Gujia Technology Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-09-12
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a selenium drum structure, which comprises a powder bin, a developing roller and a powder feeding roller, wherein the developing roller and the powder feeding roller are arranged on the powder bin, a first gear is sleeved at the right end of the developing roller, a second gear is sleeved at the right end of the powder feeding roller, a transmission gear which is meshed with the first gear and the second gear is rotatably arranged on the powder bin, the transmission gear consists of a gear body which is rotatably arranged on the powder bin and a limiting ring which is arranged on the gear body, the gear body is meshed with the first gear and the second gear, and the limiting ring is attached to the end face of the first gear facing the outer side and the end face of the second gear facing the outer side. Compared with the prior art, the utility model has the advantages of simple and reasonable structure, convenient production and assembly and later disassembly, and improved assembly efficiency.

Description

Selenium drum structure

Technical Field

The utility model relates to a selenium drum structure.

Background

The conventional toner cartridge is constructed as shown in fig. 14 to 16, in which the developing roller 20 and the toner feeding roller 40 are disposed on the toner hopper 10, and then the right end of the developing roller 20 is fitted with the first gear 30 and the right end of the toner feeding roller 40 is fitted with the second gear 60, and the first gear 30 and the second gear 60 are respectively in driving connection with the driving gear 50, which can respectively drive the developing roller 20 and the toner feeding roller 40 to rotate by the rotation of the driving gear 50.

After the existing first gear 30 and second gear 60 are sleeved, a snap ring 70 is used to fix the developing roller 20 and the powder feeding roller 40. The clamping ring limiting mode can prevent the gear from being separated, but when the clamping ring is assembled, the clamping ring is required to be clamped on a product, and can be sleeved on a ring groove of the product after being deformed, so that the operation difficulty is high, the assembly is difficult, and the assembly efficiency is seriously affected. And in the future, the device is not beneficial to the operation, has high disassembly difficulty and is inconvenient to operate.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the selenium drum structure which is convenient for production and assembly and later disassembly and improves the assembly efficiency.

According to the selenium drum structure of this purpose design, including powder storehouse and setting are in developer roll and the powder roller that send on the powder storehouse, the right-hand member cover of developer roll is equipped with first gear, the right-hand member cover of powder roller is equipped with the second gear, rotate on the powder storehouse be provided with first gear with the transmission gear of second gear intermeshing, transmission gear comprises the rotation setting is in gear body on the powder storehouse and setting up spacing ring on the gear body, gear body with first gear with the second gear intermeshing, spacing ring with the terminal surface of first gear towards the outside and the terminal surface of second gear towards the outside laminating mutually.

Preferably, the right side of the powder bin is provided with a shaft hole with an open front side, a shaft sleeve is arranged in the shaft hole, the right end of the developing roller is movably inserted into the shaft sleeve, an arc-shaped limiting groove which is mutually communicated with the shaft hole is formed in the right side wall surface of the powder bin, a positioning block which is embedded into the arc-shaped limiting groove is arranged on the shaft sleeve, a boss is arranged on the shaft sleeve, the boss is attached to the right side inner wall of the powder bin, a locking groove is formed in the right side inner wall of the powder bin, a locking lug which is embedded into the locking groove is arranged on the boss, and the locking groove is arranged on the circumference of the rotation of the shaft sleeve.

Preferably, a first mounting hole and a second mounting hole are formed in the left side wall surface of the powder bin, the left end of the developing roller extends into the first mounting hole, and the left end of the powder feeding roller extends into the second mounting hole;

the left side wall surface of the powder bin is detachably connected with a first conductive bracket and a second conductive bracket respectively;

the first conductive bracket comprises a first substrate detachably connected to the powder bin, and a first sleeve which is movably inserted and matched with the left end of the developing roller is arranged on the first substrate;

the second conductive support comprises a second substrate detachably connected to the powder bin, a second sleeve which is movably inserted and matched with the left end of the powder feeding roller is arranged on the second substrate, and a conductive part which is contacted with the powder discharging knife is arranged on the second substrate.

Preferably, the first base plate is provided with a first buckle and a second buckle respectively, the powder bin is provided with a first clamping position and a second clamping position respectively, the second buckle is connected with the first clamping position buckle, and the first buckle is connected with the second clamping position buckle.

Preferably, a third buckle and a fourth buckle are arranged on the second substrate, a third clamping position and a fourth clamping position are respectively arranged on the powder bin, the fourth buckle is connected with the third clamping position buckle, and the third buckle is connected with the fourth clamping position buckle.

Compared with the prior art, the transmission gear consists of a gear body rotatably arranged on the powder bin and a limiting ring arranged on the gear body, wherein the gear body is meshed with the first gear and the second gear, and the limiting ring is attached to the end face of the first gear facing to the outer side and the end face of the second gear facing to the outer side. According to the utility model, the positions of the first gear and the second gear are limited by the limiting ring, and the limiting ring is used for replacing the clamping ring, so that the assembly of the clamping ring is avoided, the number of parts is reduced, the problem that the clamping ring is difficult to install is solved, and the production and assembly efficiency can be effectively improved. Meanwhile, when the development roller and the powder feeding roller are detached and maintained in the later period, the first gear and the second gear can be quickly detached only by taking down the transmission gear, so that the development roller and the powder feeding roller can be detached subsequently.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a second perspective view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is one of the exploded views of the present utility model;

FIG. 5 is a second exploded view of the present utility model;

FIG. 6 is an enlarged schematic view of the structure of FIG. 4A according to the present utility model;

FIG. 7 is an enlarged schematic view of the structure of FIG. 5B according to the present utility model;

FIG. 8 is a third exploded view of the present utility model;

FIG. 9 is a third perspective view of the present utility model;

FIG. 10 is a schematic perspective view of a second conductive bracket;

FIG. 11 is a second schematic perspective view of a second conductive bracket;

FIG. 12 is a schematic perspective view of a first conductive bracket;

FIG. 13 is a second perspective view of the first conductive bracket;

FIG. 14 is a perspective view of a conventional cartridge structure;

FIG. 15 is an exploded view of a prior art cartridge structure;

FIG. 16 is a second perspective view of a conventional selenium drum.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

Referring to fig. 1-13, a selenium drum structure comprises a powder bin 10, a developing roller 20 and a powder feeding roller 40, wherein the developing roller 20 and the powder feeding roller 40 are arranged on the powder bin 10, a first gear 30 is sleeved on the right end of the developing roller 20, a second gear 60 is sleeved on the right end of the powder feeding roller 40, a transmission gear 50 which is meshed with the first gear 30 and the second gear 60 is rotatably arranged on the powder bin 10, the transmission gear 50 consists of a gear body 510 which is rotatably arranged on the powder bin 10 and a limiting ring 520 which is arranged on the gear body 510, the gear body 510 is meshed with the first gear 30 and the second gear 60, and the limiting ring 520 is attached to the end face of the first gear 30 facing the outer side and the end face of the second gear 60 facing the outer side.

According to the utility model, the positions of the first gear and the second gear are limited by the limiting ring, and the limiting ring is used for replacing the clamping ring, so that the assembly of the clamping ring is avoided, the number of parts is reduced, the problem that the clamping ring is difficult to install is solved, and the production and assembly efficiency can be effectively improved. Meanwhile, when the development roller and the powder feeding roller are detached and maintained in the later period, the first gear and the second gear can be quickly detached only by taking down the transmission gear, so that the development roller and the powder feeding roller can be detached subsequently.

Referring to fig. 6 and 7, the right side of the powder bin 10 is provided with a shaft hole 100 with an opening at the front side, a shaft sleeve 102 is arranged in the shaft hole 100, the right end of the developing roller 20 is movably inserted in the shaft sleeve 102, an arc limiting groove 101 which is mutually communicated with the shaft hole 100 is arranged on the right side wall surface of the powder bin 10, a positioning block 103 which is embedded in the arc limiting groove 101 is arranged on the shaft sleeve 102, a boss 104 is arranged on the shaft sleeve 102, the boss 104 is attached to the right side inner wall of the powder bin 10, a locking groove 106 is arranged on the right side inner wall of the powder bin 10, a locking lug 105 which is embedded in the locking groove 106 is arranged on the boss 104, and the locking groove 106 is arranged on the rotating circumference of the shaft sleeve 102.

When the shaft sleeve 102 is assembled, the shaft sleeve 102 is embedded into the shaft hole 100 through the opening of the shaft hole 100, then the shaft sleeve 102 is rotated, and the positioning block 103 circumferentially moves in the arc-shaped limiting groove 101 during rotation, so that the rotation range of the shaft sleeve 102 is limited until the locking lug 105 is screwed into the locking groove 106, the shaft sleeve 102 is fixed on the powder bin 10, and the rotation of the shaft sleeve 102 relative to the shaft hole 100 can be limited by the locking lug 105 and the locking groove 106.

Referring to fig. 8 to 13, a first mounting hole 120 and a second mounting hole 110 are provided on the left side wall surface of the powder bin 10, the left end of the developing roller 20 extends into the first mounting hole 120, and the left end of the powder feeding roller 40 extends into the second mounting hole 110; a first conductive bracket 910 and a second conductive bracket 920 are detachably connected to the left side wall surface of the powder bin 10, respectively; the first conductive bracket 910 includes a first base plate 911 detachably connected to the powder bin 10, and a first sleeve 912 movably inserted and matched with the left end of the developing roller 20 is disposed on the first base plate 911; the second conductive bracket 920 includes a second base plate 921 detachably connected to the powder bin 10, a second sleeve 924 movably inserted and matched with the left end of the powder feeding roller 40 is disposed on the second base plate 921, and a conductive portion 922 contacting with the powder discharging knife 80 is disposed on the second base plate 921.

Since the developing roller 20, the powder feeding roller 40 and the powder discharging knife 80 all need to conduct electricity during operation, the existing conduction mode adopts a conductive sheet, and the conductive sheet is arranged on the powder bin 10 and then contacts with the three materials to realize conduction. The utility model adopts the first conductive bracket 910 and the second conductive bracket 920 to realize conductive transmission of the three, and the first conductive bracket 910 can simultaneously fixedly support the developing roller 20, the developing roller 20 can be rotatably arranged relative to the first conductive bracket 910, and the second conductive bracket 920 can fixedly support the powder feeding roller 40, and the powder feeding roller 40 can be rotatably arranged relative to the second conductive bracket 920. In this way, the first conductive bracket 910 and the second bracket 920 can effectively replace the conductive sheet and the shaft sleeve, effectively reduce the number of parts, improve the assembly efficiency and reduce the production cost.

In the present utility model, the first conductive bracket 910 and the second conductive bracket 920 are made of conductive plastic.

In the present utility model, a first buckle 913 and a second buckle 914 are respectively provided on the first substrate 911, a first clamping position 130 and a second clamping position 131 are respectively provided on the powder bin 10, the second buckle 914 is in buckle connection with the first clamping position 130, and the first buckle 913 is in buckle connection with the second clamping position 131.

In the present utility model, a third buckle 923 and a fourth buckle 925 are provided on the second base plate 921, a third clamping position 140 and a fourth clamping position 150 are provided on the powder bin 10, the fourth buckle 925 is in buckle connection with the third clamping position 140, and the third buckle 923 is in buckle connection with the fourth clamping position 150.

Based on the above, the first base plate 911 and the second base plate 921 of the present utility model may be fixedly mounted on the powder bin 10 by using other existing connection structures, and may be fixedly mounted by using screw fixing or other fixing methods.

What is not described in detail in this specification is prior art known to those skilled in the art.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying the number of technical features being indicated.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a selenium drum structure, includes powder storehouse (10) and sets up developer roll (20) and send powder roller (40) on powder storehouse (10), the right-hand member cover of developer roll (20) is equipped with first gear (30), the right-hand member cover of sending powder roller (40) is equipped with second gear (60), rotate on powder storehouse (10) be provided with first gear (30) and transmission gear (50) of second gear (60) intermeshing, its characterized in that: the transmission gear (50) is composed of a gear body (510) which is rotatably arranged on the powder bin (10) and a limiting ring (520) which is arranged on the gear body (510), the gear body (510) is meshed with the first gear (30) and the second gear (60), and the limiting ring (520) is attached to the end face of the first gear (30) facing the outer side and the end face of the second gear (60) facing the outer side.

2. The cartridge structure of claim 1, wherein: the right side of powder storehouse (10) is equipped with front side open-ended shaft hole (100), be equipped with axle sleeve (102) in shaft hole (100), the right-hand member activity of developer roll (20) is pegged graft in axle sleeve (102), be equipped with on the right side wall surface of powder storehouse (10) with arc spacing recess (101) that shaft hole (100) are linked together, be equipped with on axle sleeve (102) and imbed locating piece (103) in arc spacing recess (101) be equipped with boss (104) on axle sleeve (102), boss (104) with laminating mutually on the right side inner wall of powder storehouse (10) be equipped with locking groove (106) on the right side inner wall of powder storehouse (10), be equipped with on boss (104) and imbed locking lug (105) of locking groove (106), locking groove (106) set up on the circumference of axle sleeve (102) pivoted.

3. The cartridge structure of claim 1, wherein: a first mounting hole (120) and a second mounting hole (110) are formed in the left side wall surface of the powder bin (10), the left end of the developing roller (20) extends into the first mounting hole (120), and the left end of the powder feeding roller (40) extends into the second mounting hole (110);

a first conductive bracket (910) and a second conductive bracket (920) are detachably connected to the left side wall surface of the powder bin (10) respectively;

the first conductive bracket (910) comprises a first base plate (911) detachably connected to the powder bin (10), and a first sleeve (912) which is in movable plug-in fit with the left end of the developing roller (20) is arranged on the first base plate (911);

the second conductive support (920) comprises a second base plate (921) detachably connected to the powder bin (10), a second sleeve (924) which is movably inserted and matched with the left end of the powder feeding roller (40) is arranged on the second base plate (921), and a conductive part (922) which is in contact with the powder outlet knife (80) is arranged on the second base plate (921).

4. A cartridge structure according to claim 3, wherein: the powder bin is characterized in that a first clamping buckle (913) and a second clamping buckle (914) are respectively arranged on the first substrate (911), a first clamping position (130) and a second clamping position (131) are respectively arranged on the powder bin (10), the second clamping buckle (914) is connected with the first clamping position (130) in a clamping mode, and the first clamping buckle (913) is connected with the second clamping position (131) in a clamping mode.

5. A cartridge structure according to claim 3, wherein: be equipped with third buckle (923) and fourth buckle (925) on second base plate (921), be equipped with third screens (140) and fourth screens (150) on powder storehouse (10) respectively, fourth buckle (925) with third screens (140) buckle connection, third buckle (923) with fourth screens (150) buckle connection.