CN213023951U

CN213023951U - Developing box

Info

Publication number: CN213023951U
Application number: CN202021666383.3U
Authority: CN
Inventors: 强建文; 刘建国; 帅升升; 刘源
Original assignee: Ninestar Corp
Current assignee: Ninestar Corp
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-04-20
Anticipated expiration: 2030-08-11

Abstract

The utility model provides a developing box which can be detachably arranged in an electronic imaging device and comprises a box body, wherein developer is contained in the box body, the box body comprises a first side wall and a second side wall, and the first side wall and the second side wall are oppositely arranged along a first direction; the power receiving part is used for receiving the driving force transmitted by the electronic imaging device and is positioned on the first side wall; the stirring element is arranged between the first side wall and the second side wall, and one end of the rotating piece is provided with a stirring gear; the detection gear is positioned on the first side wall and used for driving the detected piece to rotate; the developing cartridge further includes gear transmission means that transmits a driving force from the power receiving member to the agitating gear and the detecting gear, respectively. The novel arrangement structure of the gear device can adapt to diversified developing cartridges.

Description

Developing box

[ technical field ] A method for producing a semiconductor device

The utility model relates to a laser printing field, in particular to developing box.

[ background of the invention ]

The developing cartridge is a detachable portion widely used in an electronic image forming apparatus. The developing box is provided with a stirring gear which is used for driving a stirring element in the developing box to rotate and stirring the developer; the developing cartridge is also provided with a detection gear. When a new developing cartridge is mounted on the electronic image forming apparatus, the electronic image forming apparatus recognizes a specific developing cartridge by detecting the effects of the gear and the electronic image forming apparatus, and recognizes the capacity of the developing cartridge according to information preset in the electronic image forming apparatus, thereby reminding a user of replacing the new developing cartridge when the printing life of the developing cartridge will be exhausted. The size of the developing cartridge in the related art is diversified, and the position of the detection gear is also diversified, so that the gear transmission device for transmitting the driving force to the detection gear is also diversified.

[ Utility model ] content

The utility model provides a developing box provides a new gear transmission device.

In one aspect, the present invention provides a developing cartridge detachably mountable to an electronic image forming apparatus, including a cartridge body, a developer accommodated in the cartridge body, the cartridge body including a first sidewall and a second sidewall, the first sidewall and the second sidewall being disposed opposite to each other along a first direction; the power receiving part is used for receiving the driving force transmitted by the electronic imaging device and is positioned on the first side wall; the stirring element is arranged between the first side wall and the second side wall, and one end of the rotating piece is provided with a stirring gear; the detection gear is positioned on the first side wall and used for driving the detected piece to rotate; the developing cartridge further includes gear transmission means that transmits a driving force from the power receiving member to the agitating gear and the detecting gear, respectively.

Optionally, the gear transmission device includes a first gear, and the first gear is disposed coaxially with the power receiving member.

Optionally, the gear transmission device further includes a second gear, the second gear is disposed on the first side wall, the second gear is of a double-layer gear structure, one layer of the second gear is engaged with the first gear, and the other layer of the second gear is engaged with the stirring gear.

Optionally, the gear transmission device further comprises a third gear, and the third gear is engaged with the power receiving component and is used for transmitting power to the detection gear.

Optionally, the gear transmission device includes a first gear including a first gear part engaged with the stirring gear, a second gear part engaged with the power receiving part, and a third gear part.

Optionally, the gear transmission device further includes a second gear, and the second gear is meshed with the third gear part and the detection gear, respectively.

Optionally, the gear transmission device further includes a second gear and a third gear, and the second gear includes a fourth gear portion meshed with the third gear portion and a fifth gear portion meshed with the third gear.

Optionally, the third gear is engaged with the detection gear.

Optionally, the diameter of the second gear part is larger than the diameter of the first gear part and the diameter of the third gear part, and the first gear part, the second gear part and the third gear part are sequentially arranged in the first direction.

Alternatively, the stirring gear may be farther from the first side wall than the second gear portion and the power receiving member in the first direction.

The utility model provides a new arrangement structure of gear device to adapt to diversified development box.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a perspective view of a developing cartridge according to a first embodiment;

FIG. 2 is a schematic view showing a configuration of a developing cartridge according to one embodiment, in which an end cap is removed from a first sidewall end;

FIG. 3 is an exploded view of a gear set at a first sidewall end of a developing cartridge according to an embodiment;

FIG. 4 is a schematic view showing a structure of a detection gear of the developing cartridge according to the first embodiment;

FIG. 5 is a perspective view of a member to be detected of the developing cartridge according to the first embodiment;

FIG. 6 is an exploded view of the gear train at the first sidewall end of the developing cartridge according to the second embodiment;

FIG. 7 is a side view of a developing cartridge according to the second embodiment;

FIG. 8 is an exploded view of the gear train at the first sidewall end of the developing cartridge according to the third embodiment.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Fig. 1 is a perspective view of a developing cartridge according to a first embodiment. FIG. 2 is a schematic structural view of a developing cartridge according to the first embodiment with an end cap removed. FIG. 3 is an exploded view of the gear set at the first sidewall end of the developing cartridge according to the first embodiment. As shown in fig. 1 to 3, the developing cartridge 1 includes: the developing device comprises a box body 10, a developing roller 11, a powder feeding roller 12, an end cover 13 and an electrode 14, wherein developer is contained in the box body 10, the box body 10 comprises a first side wall A and a second side wall B, the first side wall A and the second side wall B are oppositely arranged along a first direction, and the first direction is the length direction of the developing box. The developing roller 11 is installed between the first side wall a and the second side wall B for carrying the developer inside the cartridge body, and one end of the developing roller 11 is provided with a developing roller gear 111 engaged with the power receiving part 20 to rotate the developing roller 11.

Specifically, the power receiving part 20 is disposed on the first sidewall a and is used for receiving power transmitted by the electronic imaging device; the powder feeding roller 12 is installed between the first side wall a and the second side wall B for conveying the developer to the developing roller 11, and one end of the powder feeding roller 12 is provided with a powder feeding roller gear 121 engaged with the power receiving part 21 for receiving the driving force transmitted by the power receiving part 21 to rotate the powder feeding roller 12.

Further, a first gear 21 and a second gear 22 are disposed on the first side wall a of the developing cartridge, wherein the first gear 21 and the power receiving part 20 rotate coaxially, the second gear 22 has a double-layer gear structure, one layer of gears of the second gear 22 is engaged with the first gear 21, and the other layer of gears is engaged with the stirring gear 23. The developing cartridge 1 further includes an agitating member (not shown in the figure) installed between the first side wall a and the second side wall B, an agitating gear 23 installed at an axial end of the agitating member and located on the first side wall a, and when the power receiving part 20 receives the driving force and then transmits the driving force to the coaxial first gear 21, the second gear 22 receives the driving force from the first gear 21 and further transmits the driving force to the agitating gear 23, thereby driving the agitating member to rotate and agitate the developer in the cartridge body, and preventing the developer from agglomerating.

Specifically, the developing cartridge 1 further includes a third gear 24, a detection gear 25, and a detected member 30, which are engaged with the power receiving member 20. FIG. 4 is a schematic view of a detecting gear of the developing cartridge according to the first embodiment. FIG. 5 is a perspective view of a member to be detected of the developing cartridge according to the first embodiment. As shown in fig. 4 and 5, the detecting gear 25 is provided with a through hole 251 for connecting with the positioning shaft 301 of the detected member 30 and capable of moving axially on the positioning shaft 301; the object 30 to be detected is provided with a positioning shaft 301 and a detecting portion 302, wherein the detecting portion 302 is a curved surface connected to the positioning shaft 301 and protruding outward in the axial direction for contacting with a detecting device in an electronic imaging device.

When the developing cartridge 1 is installed in the electronic image forming apparatus, the third gear 24 receives the driving force from the power receiving part 20 and transmits the driving force to the detecting gear 25, and since the detecting gear 25 is connected to the detected member 30 through the positioning shaft 301, the rotation of the detecting gear 25 rotates the detected member 30, so that the detecting portion 302 of the detected member 30 can contact with the detecting device in the electronic image forming apparatus. In the process of rotation of the detected member 30, the detecting gear 25 gradually moves along the axial direction of the positioning shaft 301, and finally moves to a position where the detecting gear 25 is disengaged from the third gear 24, at this time, the detecting gear 25 cannot receive driving force from the third gear 24 any more, and further, the detected member 30 is not driven to rotate any more, so that the detected member 30 is no longer detected by a detecting device in the electronic imaging device, and at this time, the detection of the developing cartridge by the electronic imaging device is completed, and the capacity of the developing cartridge is identified. In the embodiment, the detection gear is provided with the threaded hole, the positioning column (not shown in the figure) for positioning the detection gear is provided with the thread, and the detection gear rotates around the positioning column, so that the detection gear moves along the axial direction of the thread.

The first gear 21, the second gear 22, and the third gear 24 form gear transmission means for transmitting the driving force from the power receiving member 20 to the detection gear 25 and the stirring gear 23. The present embodiment provides a new arrangement structure of the gear device to accommodate diversified developing cartridges.

FIG. 6 is an exploded view of the gear train at the end of the first sidewall of the developing cartridge according to the second embodiment. FIG. 7 is a side view of the developing cartridge in the second embodiment. The structure not specifically described in the second embodiment is the same as that of the first embodiment, and the description of the second embodiment is not repeated.

As shown in fig. 6 and 7, the developing cartridge 4 includes a cartridge body 40, a power receiving member 43, a gear transmission device, and a detection gear 47, the first side wall 41 and the second side wall 42 of the cartridge body 40 being disposed oppositely in the first direction; the power receiving part 43, the gear transmission device, and the detection gear 47 are provided on the first side wall 41. The gear transmission means includes a first gear 44 and a second gear 46, the first gear 44 includes a first gear part 441, a second gear part 442, and a third gear part 443; the second gear unit 442 meshes with the power receiving unit 43, the first gear unit 441 meshes with the stirring gear 45, the third gear unit 443 meshes with the second gear 46, and the second gear 46 meshes with the detection gear 47.

The second gear part 442 has a diameter larger than that of the first gear part 441 and that of the third gear part 443, the first gear part 441, the second gear part 441, and the third gear part 443 being arranged in this order in the first direction. The stirring gear 45 is farther from the first sidewall 41 than the second gear portion 442 and the power receiving portion 43 in the first direction.

The first gear 44 and the second gear 46 form a gear transmission device, thereby transmitting the driving force from the power receiving member 43 to the detection gear 47 and the agitation gear 45. The present embodiment provides a new arrangement structure of the gear device to accommodate diversified developing cartridges.

FIG. 8 is an exploded view of the gear train at the first sidewall end of the developing cartridge according to the third embodiment. The structure not specifically described in the third embodiment is the same as that of the second embodiment, and the description of the third embodiment is not repeated.

As shown in fig. 8, the developing cartridge 5 includes a cartridge body 50, a power receiving part 53, a gear transmission device, and a detection gear 58, and the power receiving part 53, the gear transmission device, and the detection gear 58 are provided at the first side wall 51. The gear transmission means includes a first gear 54, a second gear 56, and a third gear 57, the first gear 54 includes a first gear portion 541, a second gear portion 542, and a third gear portion 543; the second gear 542 meshes with the power receiving member 53, the first gear 541 meshes with the stirring gear 55, the third gear 543 meshes with the fourth gear 561 of the second gear 56, the fifth gear 562 of the second gear 56 meshes with the third gear 57, and the third gear 57 meshes with the detection gear 58.

The first gear 54, the second gear 56, and the third gear 57 form gear transmission means so as to transmit the driving force from the power receiving member 53 to the detection gear 58 and the agitation gear 55. The present embodiment provides a new arrangement structure of the gear device to accommodate diversified developing cartridges.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, but not to discard the alignment restriction; while the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A developing cartridge detachably mountable to an electrophotographic apparatus, comprising:

the developing device comprises a box body, a developing agent and a fixing device, wherein the box body is internally provided with the developing agent and comprises a first side wall and a second side wall, and the first side wall and the second side wall are oppositely arranged along a first direction;

the power receiving part is used for receiving the driving force transmitted by the electronic imaging device and is positioned on the first side wall;

the stirring element is arranged between the first side wall and the second side wall, and one end of the stirring element is provided with a stirring gear; and the combination of (a) and (b),

the detection gear is positioned on the first side wall and used for driving the detected piece to rotate;

the gear transmission device is characterized by further comprising a gear transmission device, wherein the gear transmission device transmits driving force from the power receiving part to the stirring gear and the detection gear respectively, and the gear transmission device comprises a first gear, and the first gear comprises a first gear part meshed with the stirring gear, a second gear part meshed with the power receiving part and a third gear part.

2. A developing cartridge according to claim 1, wherein said gear transmission device further includes a second gear which meshes with said third gear portion and said detection gear, respectively.

3. A developing cartridge according to claim 1, wherein said gear transmission device further includes a second gear and a third gear, said second gear including a fourth gear portion meshing with said third gear portion and a fifth gear portion meshing with said third gear.

4. A developing cartridge according to claim 3, wherein said third gear is meshed with said detection gear.

5. A developing cartridge according to claim 1, wherein a diameter of said second gear part is larger than a diameter of said first gear part and a diameter of said third gear part, said first gear part, said second gear part and said third gear part being arranged in this order in the first direction.

6. A developing cartridge according to claim 1, wherein said stirring gear is farther from said first side wall than said second gear portion and said power receiving member in the first direction.

7. A developing cartridge detachably mountable to an electrophotographic apparatus, comprising:

the gear transmission device is characterized by further comprising a gear transmission device, wherein the gear transmission device transmits driving force from the power receiving part to the stirring gear and the detection gear respectively, the gear transmission device comprises a first gear, the first gear and the power receiving part are arranged coaxially, the gear transmission device further comprises a second gear, the second gear is arranged on the first side wall, the second gear is of a double-layer gear structure, one layer of gear of the second gear is meshed with the first gear, and the other layer of gear is meshed with the stirring gear.

8. A developing cartridge according to claim 7, wherein said gear transmission device further includes a third gear engaged with said power receiving member for transmitting the power to said detection gear.