WO2013029449A1 - Developing box - Google Patents

Developing box Download PDF

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Publication number
WO2013029449A1
WO2013029449A1 PCT/CN2012/079358 CN2012079358W WO2013029449A1 WO 2013029449 A1 WO2013029449 A1 WO 2013029449A1 CN 2012079358 W CN2012079358 W CN 2012079358W WO 2013029449 A1 WO2013029449 A1 WO 2013029449A1
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WO
WIPO (PCT)
Prior art keywords
rotating member
gear
friction layer
elastic friction
disposed
Prior art date
Application number
PCT/CN2012/079358
Other languages
French (fr)
Chinese (zh)
Inventor
李争光
Original Assignee
珠海天威飞马打印耗材有限公司
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Publication of WO2013029449A1 publication Critical patent/WO2013029449A1/en

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/1661—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus
    • G03G21/1676—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus for the developer unit
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/1642—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements for connecting the different parts of the apparatus
    • G03G21/1647—Mechanical connection means
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1651—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
    • G03G2221/1657—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts transmitting mechanical drive power

Definitions

  • the present invention relates to a developing cartridge for an electrophotographic image forming apparatus.
  • the present invention is based on a Chinese patent application filed on Aug. 26, 2011, the application number of which is incorporated herein by reference.
  • a detachable developing cartridge is usually used to supply toner to develop an electrostatic latent image on the photosensitive member, and then transferred to a medium such as paper to form a visible image.
  • Chinese Patent Publication No. 100100470394C discloses a developing cartridge including a cartridge body having a developer accommodating chamber for accommodating the developer, and a developer accommodating chamber.
  • a stirring frame having a stirring developer having a stirring developer
  • a driving gear for driving the rotation of the stirring frame is mounted outside the casing
  • a detecting gear having a missing tooth portion is engageable with the driving gear
  • a contact in the triggering electrophotographic image forming apparatus is disposed on the detecting gear The contact protrusion of the member.
  • the detecting gear rotates until the missing tooth portion faces the driving gear, it is disengaged from the driving gear, and the detecting gear no longer rotates with the rotation of the driving gear.
  • the contact protrusion on the detecting gear also moves to a position that is not in contact with the electrophotographic image forming apparatus.
  • the detecting gear will no longer rotate with the driving gear, and the contact protrusion on the detecting gear will no longer trigger the contacted member of the electrophotographic image forming apparatus, the electrophotographic image forming apparatus It was detected that the developing cartridge was not a new developing cartridge.
  • the Chinese Patent Publication No. CN1828446B also discloses a developing cartridge which has a structure substantially identical to that of the developing cartridge described in the above patent document, except that a plurality of contact projections which are in contact with the contacted member of the electrophotographic image forming apparatus are provided.
  • the electrophotographic image forming apparatus performs the detection, if the developing cartridge is new, the plurality of contact protrusions on the detecting gear trigger the contact member of the electrophotographic image forming apparatus a plurality of times during the detecting gear rotation, thereby detecting the developer in the developer cartridge The maximum number of printable media that can be printed.
  • the maximum number of printable media of the developer in the developing cartridge is 8,000 pages; and when the number of the projections is one, the maximum number of printable media that can be printed by the developer in the developing cartridge It is 4000 pages.
  • the developing cartridges in both of the above patent documents use a detecting gear having a missing tooth portion to detect whether the developing cartridge is new.
  • the detection gear with the contact protrusion has a complicated structure, high manufacturing and installation precision, otherwise the noise and vibration of the transmission are large, and the cost is high, and the cost of the developing cartridge having the detection gear is also high.
  • An object of the present invention is to provide a developing cartridge which is simple in structure, low in cost, and excellent in detection effect.
  • a developing cartridge provided by the present invention includes a casing having a toner accommodating portion and an opening disposed along a longitudinal direction of the casing, the developing roller being disposed at the opening, and the toner accommodating portion being rotatably supported a stirring member on the both end walls of the casing, the gear train is disposed on an outer wall of one end wall for receiving power and driving the stirring member and the developing roller, and the first rotating member is rotatably fixed to the outer wall, and the first rotating member is The cylindrical member is provided with a length of elastic friction layer on the outer circumference thereof, the first rotating member is matched with the top of the gear of the gear train, the elastic friction layer is interference-fitted with the tooth tip of the gear, and the contact portion is disposed at the first The rotating member is away from one end of the outer wall and extends axially along the end.
  • a more specific solution is to provide a plurality of contacts.
  • the contact portion is provided in plurality.
  • the developing cartridge includes a casing having a toner accommodating portion and an opening along a length thereof, the developing roller is disposed at the opening, and the toner accommodating portion is provided with a stirring rotatably supported on both end walls of the casing a member, a gear train disposed on an outer wall of one of the two end walls for receiving power and driving the agitating member and the developing roller, the first rotating member rotatably fixing the outer wall, the first rotating member being a cylindrical member,
  • the outer circumference is provided with a length of elastic friction layer in the circumferential direction, the first rotating member is matched with the tooth top of one of the gear trains, the elastic friction layer is interference-fitted with the tooth top of one gear, and the second rotating member is rotatably fixed on the outer wall.
  • an interference fit with the first rotating member the contact portion is disposed at an end of the second rotating member away from the outer wall, and extends outward along the end.
  • the driving force of the gear is transmitted to the first rotating member by friction, so that the first rotating member rotates.
  • the second rotating member has an interference fit with the first rotating member to drive the second rotating member to rotate, so that the contact portion triggers the contacted member in the electrophotographic image forming apparatus, the developing cartridge is new and the capacity information of the developing cartridge is transmitted to the electrophotographic image forming device.
  • the first rotating member is not in contact with the gear and is no longer rotated, the second rotating member is no longer rotated, and the contact portion no longer triggers the contacted member of the electrophotographic image forming apparatus.
  • the developing cartridge is detected to be not new.
  • the first rotating member and the second rotating member do not have tooth portions, so that the structure is simple and the cost is low, and the developing cartridge in which the first rotating member and the second rotating member are mounted is low in cost.
  • the elastic friction layer is used for the transmission to be more easily and accurately controlled, and no problems such as noise and vibration are generated.
  • the contact portion need not be provided in plurality, and the size relationship between the first rotating member and the second rotating member is controlled to control the number of rotations of the second rotating member, so that the contact portion is triggered to be touched in the electrophotographic image forming apparatus multiple times. component. Because the size parameters of each rotating member are accurately controllable, the performance of the detecting mechanism is more stable and reliable.
  • the inner circumference of the first rotating member is provided with an elastic friction layer
  • the second rotating member portion is disposed inside the first rotating member and has an interference fit with the elastic friction layer of the inner circumference of the first rotating member.
  • the second rotating member is rotated by the elastic friction layer of the inner circumference of the first rotating member.
  • the elastic friction layer of the inner circumference of the first rotating member is integrally provided with the elastic friction layer of the outer circumference of the first moving member. Make the elastic friction layer easier to install and fix.
  • the second rotating member is partially disposed in the first rotating member, and the outer peripheral surface of the portion of the second rotating member located in the first rotating member is provided with an elastic friction layer, and the second rotating member is passed through the second The elastic friction layer of the rotating member is in an interference fit with the first rotating member.
  • the first rotating member of the elastic friction layer disposed on the outer peripheral surface of the portion of the second rotating member located in the first rotating member drives the second rotating member to rotate.
  • the first rotating member is provided in a cylindrical shape, and has no teeth at its outer circumference, so that the structure is simple and the cost is low, and the developing cartridge to which the first rotating member is mounted is low in cost.
  • the elastic friction layer is used for the transmission to be more easily and accurately controlled, and no problems such as noise and vibration are generated.
  • Figure 1 is a perspective view of a first embodiment of the present invention
  • Figure 2 is a cross-sectional view showing a first embodiment of the present invention
  • Figure 3 is an exploded perspective view showing the structure of the first embodiment of the present invention.
  • Figure 4 is a perspective view of the first rotating member of the first embodiment of the present invention.
  • Figure 5 is a partial enlarged view of the driving end of the second embodiment of the present invention.
  • Figure 6 is a partial enlarged view of the driving end of the second embodiment of the present invention.
  • Figure 7 is a partial cross-sectional view showing a second embodiment of the present invention.
  • the casing 1 of the developing cartridge has a toner accommodating portion for accommodating the toner, and the driving end of the casing is provided with an end cover 11 having a toner receiving portion for providing the toner to be accommodated outward.
  • the opening of the developing roller 21 is rotatably placed at the opening.
  • the developing cartridge is detachably mounted into the electrophotographic image forming apparatus for developing the electrostatic latent image on the photosensitive drum by the developing roller 21 for the toner using the toner accommodating portion.
  • FIG. 2 shows the internal structure of the developing cartridge in which the developing roller 21 is located at the opening of the casing 1, and the toner conveying roller 22 for conveying the toner to the developing roller 21 and the toner on the developing roller 21 are mounted in the casing 1.
  • the powder pulverizing blade 25 having a layer thickness, the agitating member composed of the agitating shaft 23 and the agitating blade 24 is located in the toner accommodating portion, and the developing roller 21, the powder feeding roller 22, and the agitating member are rotatably supported on both end walls of the casing.
  • FIG. 3 is an exploded perspective view of the developing cartridge.
  • the end cap 11 for protecting the internal structure adopts an expression disintegrating with the casing 1 to drive the developing roller, the powder feeding roller and the stirring member.
  • the gear train 3 is disposed outside one end wall of the casing 1, and the first rotating member 4 as a detecting member is disposed adjacent to one of the gear trains 3, and is rotatably fixed to the positioning post 12 projecting from the outer wall.
  • the gear 31 is a drive gear that drives the agitating member.
  • the first rotating member 4 can be disposed adjacent to any one of the gear trains 3 as long as it can directly or indirectly trigger the electrophotographic image forming apparatus. The member to be contacted enables the electrophotographic image forming apparatus to detect the developing cartridge.
  • a portion of the first rotating member 4 remote from the casing is provided with a contact portion 41 for triggering the contacted member in the electrophotographic image forming apparatus, and an elastic friction layer 42 is provided circumferentially adjacent to the outer periphery of the casing portion and has no elasticity. The portion 43 covered by the friction layer.
  • the elastic friction layer 42 of the first rotating member 4 When the elastic friction layer 42 of the first rotating member 4 is turned to face the gear 31, the elastic friction layer 42 has an interference fit with the tooth tip of the gear 31, and when the portion 43 not covered by the elastic friction layer is turned to the gear 31 In the face, the first rotating member 4 is in clearance with the tip of the gear 31.
  • the gear train 3 is rotated by the driving of the electrophotographic image forming apparatus, and the driving force of the gear 31 is passed through the elastic friction layer 42 and the tooth tip of the gear 31.
  • the friction is transmitted to the first rotating member 4, causing the first rotating member 4 to rotate, and the rotation to the contact portion 41 triggers the contacted member in the electrophotographic image forming apparatus, and the electrophotographic image forming apparatus determines that the developing cartridge is new and identifies the capacity information of the developing cartridge Fully loaded.
  • the first rotating member 4 When the portion 43 of the first rotating member 4 where the elastic friction layer is not disposed is turned to face the gear 31, the first rotating member 4 is engaged with the top of the gear 31, that is, the first rotating member 4 is disengaged from the gear 31, A rotating member 4 stops rotating.
  • the first rotating member 4 When the used developing cartridge is again mounted to the electrophotographic image forming apparatus, the first rotating member 4 is no longer rotated because it is not in contact with the gear 31, and the contact portion 41 no longer triggers the contacted member of the electrophotographic image forming apparatus, thereby electrophotography The image forming apparatus determined that the developing cartridge was not new.
  • the contact portion 41 is provided in plurality.
  • the structure of this embodiment is basically the same as that of the first embodiment, and is different in that the detecting member.
  • FIG. 5 is a partially enlarged view of the driving end of the developing cartridge, and the end cap 11 adopts an expression decomposed with the casing 1 for clarity of expression.
  • a gear train 3 that drives a developing roller, a powder feed roller, a stirring member, and the like is disposed on an outer wall of the end wall of the casing 1.
  • the first rotating member 5 and the second rotating member 6 as detecting members are disposed adjacent to one of the gear trains 3.
  • Gear 31 is a drive gear that drives the agitating member, it being understood that the detecting member may be disposed adjacent to any of the gear trains 3.
  • Fig. 6 is a partially enlarged view of the driving end of the developing cartridge.
  • the inner end cap has been removed from the casing 1 for clarity of expression, and the second rotating member 6 takes the expression decomposed with the casing 1.
  • the cylindrical first rotating member 5 is rotatably fixed to the casing 1, and a peripheral portion thereof is circumferentially provided with a portion of the elastic friction layer 51 and a portion 52 not covered by the elastic friction layer.
  • the elastic friction layer 51 is interference-fitted with the crest of the gear 31, and the first rotating member 5 is fitted to the top of the gear 31 when the portion 52 not covered by the elastic friction layer faces the gear 31.
  • the second rotating member 6 is rotatably fixed to the outer wall by a positioning post 13 projecting from the outer wall, and is in an interference fit with the first rotating member 5, and the contact portion 61 is disposed at an end of the second rotating member 6 away from the outer wall of the casing. And extending axially along the end.
  • the positioning post 13 is disposed inside the first rotating member 5, and the second rotating member 6 is rotated by the interference between the inner wall of the first rotating member 5 and the second rotating member 6. 13 can also be disposed outside the first rotating member 5, and the second rotating member 6 can be rotated by the interference fit of the elastic friction layer 51 of the first rotating member 5 and the second rotating member 6, so that the same effect can be achieved.
  • the inner peripheral surface of the first rotating member is also provided with an elastic friction layer, and the portion 62 of the second rotating member 6 in contact with the first rotating member is in an interference fit with the elastic friction layer, thereby driving the second rotation.
  • the member 6 is rotated.
  • the elastic friction layer can also be disposed on the outer peripheral surface of the contact portion 62 of the second rotating member 6 instead of the inner peripheral surface of the first rotating member, and the first rotating member 5 can also be driven to the second.
  • the rotating member 6 rotates.
  • the first rotating member 5 is provided with a recess 53 into which the end of the hook 14 projecting from the outer wall of the casing is engaged, so that the first rotating member is rotatably fixed to the outer wall of the casing.
  • the gear train 3 is rotated by the driving of the electrophotographic image forming apparatus, and the gear 31 is interference-fitted by the elastic friction layer 51 provided on the first rotating member 5 and the tooth tip of the gear 31.
  • the driving force is transmitted to the first rotating member 5 by friction, causing the first rotating member 5 to rotate. Since the second rotating member 6 has an interference fit with the first rotating member 5, the surface drives the second rotating member 6 to rotate, so that the contact portion triggers the contacted member in the electrophotographic image forming apparatus, and the electrophotographic image forming apparatus determines that the developing cartridge is new and It is assumed that the capacity information of the developing cartridge is full.
  • the first rotating member 5 When the outer peripheral portion 52 that is not provided with the elastic friction layer on the first rotating member 5 faces the gear 31, the first rotating member 5 is engaged with the top of the gear 31, that is, the first rotating member 5 is disengaged from the gear 31. The first rotating member 5 stops rotating, so that the second rotating member 6 also stops rotating.
  • the first rotating member 5 When the used developing cartridge is again mounted to the electrophotographic image forming apparatus, the first rotating member 5 is not in contact with the gear 31 and is no longer rotated, the second rotating member 6 is no longer rotated, and the contact portion 61 no longer triggers electrophotographic imaging. The member of the device is contacted, whereby the electrophotographic image forming apparatus determines that the developing cartridge is not new.
  • the contact portion 61 in the present embodiment does not need to be provided in plurality, by adjusting the length of the outer circumference of the first moving member 5 covered by the elastic friction layer 51 and the second
  • the proportional relationship between the outer circumferential lengths of the contact portions 62 of the moving members 6 causes the second moving members 6 to rotate for a plurality of weeks, so that the plurality of triggers of the contact portions 61 to the contacted members in the electrophotographic image forming apparatus can be realized. Because the size parameters of each rotating member are accurately controllable, the performance of the detecting mechanism is more stable and reliable.
  • the driving force of the gear is transmitted to the first rotating member by friction, so that the first rotating member follows the rotation.
  • the contact portion triggers the contact member provided in the electrophotographic image forming, the developing cartridge is new and the capacity information of the developing cartridge is transmitted to the electrophotographic image forming apparatus.
  • the first rotating member is not in contact with the gear and is no longer rotated, and the contact portion no longer triggers the contacted member of the electrophotographic image forming apparatus, so that the developing cartridge is detected Not new.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Dry Development In Electrophotography (AREA)

Abstract

A developing box comprises a box body (2), having a carbon powder accommodating portion and an opening along the length direction of the box body. A developing roller (21) is rotatably disposed at the opening. A stirring component rotatably supported on two end walls of the box body (1) is disposed in the carbon powder accommodating portion. A gear system (3) is disposed on the outer wall of the two end walls and used for receiving a driving force and driving the stirring component and the developing roller (21). A first rotation part (4) is rotatably fixed on the outer wall. The first rotation part (4) is a cylindrical component. An elastic friction layer (42) is disposed circumferentially at the periphery of the first rotation part (4). The first rotation part (4) is fitted with a gear top gap of a gear (31) of the gear system (3). The elastic friction layer (42) is in interference fit with the gear top of the gear (31). A contacting portion (41) is disposed at an end of the first rotation part (4) far away from the outer wall, axially extends outwards along the end, and is used for triggering a contacted component in an imaging device when the first rotation part (4) rotates.

Description

显影盒  Developing cartridge
本发明涉及一种电子照相成像设备用的显影盒。本发明基于申请日为2011年08月26日、申请号为2011110248333.2的中国发明专利申请，该申请的内容作为与本发明密切相关的参考文献引入本文。 The present invention relates to a developing cartridge for an electrophotographic image forming apparatus. The present invention is based on a Chinese patent application filed on Aug. 26, 2011, the application number of which is incorporated herein by reference.
电子照相成像设备内通常使用可拆卸的显影盒为其提供碳粉以将感光部件上的静电潜像显影，然后转印至纸张等介质上形成可见图像。为检测安装至电子照相成像设备内的显影盒是否为新的，中国专利文献CN100470394C公开了一种显影盒，其包括盒体，盒体内具有容纳显影剂的显影剂容纳腔，显影剂容纳腔内具有搅拌显影剂的搅拌架，驱动搅拌架旋转的驱动齿轮安装在盒体外侧，具有缺齿部的检测齿轮可与驱动齿轮啮合，且在检测齿轮上设置有触发电子照相成像设备中的被接触构件的接触突起。当新的显影盒安装至电子照相成像设备后，驱动齿轮受到电子照相成像设备的驱动而旋转，带动与其啮合的检测齿轮旋转，检测齿轮上的接触突起转动并触发电子照相成像设备中的被接触构件，电子照相成像设备检测出该显影盒为新的。在检测齿轮转动至缺齿部与驱动齿轮相面对时，则与驱动齿轮脱离啮合，检测齿轮不再随驱动齿轮的转动而转动。检测齿轮上的接触突起也运动至不与电子照相成像设备接触的位置。当使用过的显影盒再次安装至电子照相成像设备时，检测齿轮将不再随着驱动齿轮而旋转，检测齿轮上的接触突起也不再触发电子照相成像设备的被接触构件，电子照相成像设备检测出该显影盒不是新的显影盒。In an electrophotographic image forming apparatus, a detachable developing cartridge is usually used to supply toner to develop an electrostatic latent image on the photosensitive member, and then transferred to a medium such as paper to form a visible image. In order to detect whether or not the developing cartridge mounted in the electrophotographic image forming apparatus is new, Chinese Patent Publication No. 100100470394C discloses a developing cartridge including a cartridge body having a developer accommodating chamber for accommodating the developer, and a developer accommodating chamber. a stirring frame having a stirring developer, a driving gear for driving the rotation of the stirring frame is mounted outside the casing, a detecting gear having a missing tooth portion is engageable with the driving gear, and a contact in the triggering electrophotographic image forming apparatus is disposed on the detecting gear The contact protrusion of the member. When the new developing cartridge is mounted to the electrophotographic image forming apparatus, the driving gear is rotated by the driving of the electrophotographic image forming apparatus, causing the detecting gear that meshes therewith to rotate, detecting the rotation of the contact protrusion on the gear and triggering contact in the electrophotographic image forming apparatus. The member, the electrophotographic image forming apparatus detects that the developing cartridge is new. When the detecting gear rotates until the missing tooth portion faces the driving gear, it is disengaged from the driving gear, and the detecting gear no longer rotates with the rotation of the driving gear. The contact protrusion on the detecting gear also moves to a position that is not in contact with the electrophotographic image forming apparatus. When the used developing cartridge is again mounted to the electrophotographic image forming apparatus, the detecting gear will no longer rotate with the driving gear, and the contact protrusion on the detecting gear will no longer trigger the contacted member of the electrophotographic image forming apparatus, the electrophotographic image forming apparatus It was detected that the developing cartridge was not a new developing cartridge.
中国专利文献CN1828446B还公开了一种显影盒，该显影盒的结构与上述专利文献中所述的显影盒基本一致，只是与电子照相成像设备的被接触构件接触的接触突起设置为多个。电子照相成像设备进行检测时，若显影盒为新的，检测齿轮上的多个接触突起在检测齿轮转动过程中多次触发电子照相成像设备的被接触构件，从而检测出显影剂盒内显影剂可打印的打印介质的最大数量。如当接触突起数量设置为2个时，显影盒内显影剂可打印的打印介质的最大数量为8000页；当凸起设置为1个时，显影盒内显影剂可打印的打印介质的最大数量即为4000页。在显影盒使用过后再次装入电子照相成像设备时，检测齿轮上的缺齿部与驱动齿轮面对，从而检测齿轮不会随驱动齿轮转动，检测齿轮上的接触突起不再触发电子照相成像设备内的被接触构件。The Chinese Patent Publication No. CN1828446B also discloses a developing cartridge which has a structure substantially identical to that of the developing cartridge described in the above patent document, except that a plurality of contact projections which are in contact with the contacted member of the electrophotographic image forming apparatus are provided. When the electrophotographic image forming apparatus performs the detection, if the developing cartridge is new, the plurality of contact protrusions on the detecting gear trigger the contact member of the electrophotographic image forming apparatus a plurality of times during the detecting gear rotation, thereby detecting the developer in the developer cartridge The maximum number of printable media that can be printed. For example, when the number of contact protrusions is set to two, the maximum number of printable media of the developer in the developing cartridge is 8,000 pages; and when the number of the projections is one, the maximum number of printable media that can be printed by the developer in the developing cartridge It is 4000 pages. When the electrophotographic image forming apparatus is reloaded after the developing cartridge is used, the missing tooth portion on the detecting gear faces the driving gear, so that the detecting gear does not rotate with the driving gear, and the contact protrusion on the detecting gear no longer triggers the electrophotographic image forming apparatus. The contacted member inside.
上述两篇专利文献中的显影盒都采用具有缺齿部的检测齿轮来检测显影盒是否为新的。具有接触突起的检测齿轮结构复杂，制造及安装精度要求高，否则传动的噪声及振动较大，从而成本较高，进而具有此种检测齿轮的显影盒的成本也较高。The developing cartridges in both of the above patent documents use a detecting gear having a missing tooth portion to detect whether the developing cartridge is new. The detection gear with the contact protrusion has a complicated structure, high manufacturing and installation precision, otherwise the noise and vibration of the transmission are large, and the cost is high, and the cost of the developing cartridge having the detection gear is also high.
因此需要一种结构简单、成本低且检测效果好的显影盒。Therefore, there is a need for a developing cartridge which is simple in structure, low in cost, and excellent in detection effect.
本发明的目的是提供一种结构简单、成本低且检测效果好的显影盒。SUMMARY OF THE INVENTION An object of the present invention is to provide a developing cartridge which is simple in structure, low in cost, and excellent in detection effect.
为实现上述目的，本发明提供的显影盒包括盒体，盒体具有碳粉容纳部和沿盒体长度方向设置的开口，显影辊设置在开口处，碳粉容纳部内设有可旋转地支撑在盒体两端壁上的搅拌构件，齿轮系设置在一个端壁的外壁上，用于接收动力并驱动搅拌构件及显影辊，第一转动件可转动地固定外壁上，第一转动件为筒形构件，其外周沿周向设有一段弹性摩擦层，第一转动件与齿轮系中的一个齿轮的齿顶间隙配合，弹性摩擦层与该齿轮的齿顶过盈配合，接触部设置在第一转动件远离外壁的一端，并沿该端轴向外伸。In order to achieve the above object, a developing cartridge provided by the present invention includes a casing having a toner accommodating portion and an opening disposed along a longitudinal direction of the casing, the developing roller being disposed at the opening, and the toner accommodating portion being rotatably supported a stirring member on the both end walls of the casing, the gear train is disposed on an outer wall of one end wall for receiving power and driving the stirring member and the developing roller, and the first rotating member is rotatably fixed to the outer wall, and the first rotating member is The cylindrical member is provided with a length of elastic friction layer on the outer circumference thereof, the first rotating member is matched with the top of the gear of the gear train, the elastic friction layer is interference-fitted with the tooth tip of the gear, and the contact portion is disposed at the first The rotating member is away from one end of the outer wall and extends axially along the end.
较具体的方案为接触部设置为多个。在碳粉容纳部的容量较大，需要多次触发电子照相成像设备的被接触构件时，接触部设置为多个。A more specific solution is to provide a plurality of contacts. When the capacity of the toner accommodating portion is large and it is necessary to trigger the contact member of the electrophotographic image forming apparatus a plurality of times, the contact portion is provided in plurality.
另一方案为：Another option is:
显影盒包括盒体，盒体具有碳粉容纳部和沿其长度方向的开口，显影辊设置在所述开口处，碳粉容纳部内设有可旋转地支撑在盒体两端壁上的搅拌构件，齿轮系设置在两端壁中的一个的外壁上，用于接收动力并驱动搅拌构件及显影辊，第一转动件，可转动地固定外壁上，第一转动件为筒形构件，其外周沿周向设有一段弹性摩擦层，第一转动件与齿轮系中的一个齿轮的齿顶间隙配合，弹性摩擦层与一个齿轮的齿顶过盈配合，第二转动件可转动地固定在外壁上，并与第一转动件过盈配合，接触部设置在第二转动件远离外壁的一端，并沿该端轴向外伸。The developing cartridge includes a casing having a toner accommodating portion and an opening along a length thereof, the developing roller is disposed at the opening, and the toner accommodating portion is provided with a stirring rotatably supported on both end walls of the casing a member, a gear train disposed on an outer wall of one of the two end walls for receiving power and driving the agitating member and the developing roller, the first rotating member rotatably fixing the outer wall, the first rotating member being a cylindrical member, The outer circumference is provided with a length of elastic friction layer in the circumferential direction, the first rotating member is matched with the tooth top of one of the gear trains, the elastic friction layer is interference-fitted with the tooth top of one gear, and the second rotating member is rotatably fixed on the outer wall. And an interference fit with the first rotating member, the contact portion is disposed at an end of the second rotating member away from the outer wall, and extends outward along the end.
通过在第一转动件上设置的弹性摩擦层与齿轮的齿顶过盈配合，齿轮的驱动力通过摩擦传递至第一转动件，致使第一转动件转动。第二转动件与第一转动件过盈配合，带动第二转动件转动，从而接触部触发电子照相成像设备内的被接触构件，显影盒为新的及显影盒的容量信息传递至电子照相成像设备。在转动至第一转动件上没有设置弹性摩擦层的外周部分与齿轮面对时，第一转动件与齿轮的齿顶间隙配合，即第一转动件不再与齿轮接触，第一转动件停止转动，第二转动件也停止转动。当使用过的显影盒安装至电子照相成像设备时，第一转动件不与齿轮接触而不再转动，第二转动件也不再转动，接触部也不再触发电子照相成像设备的被接触构件，从而此显影盒被检测出不是新的。By the interference fit of the elastic friction layer provided on the first rotating member and the tooth tip of the gear, the driving force of the gear is transmitted to the first rotating member by friction, so that the first rotating member rotates. The second rotating member has an interference fit with the first rotating member to drive the second rotating member to rotate, so that the contact portion triggers the contacted member in the electrophotographic image forming apparatus, the developing cartridge is new and the capacity information of the developing cartridge is transmitted to the electrophotographic image forming device. When the outer peripheral portion of the first rotating member that is not provided with the elastic friction layer faces the gear, the first rotating member is matched with the top of the gear, that is, the first rotating member is no longer in contact with the gear, and the first rotating member is stopped. When rotated, the second rotating member also stops rotating. When the used developing cartridge is mounted to the electrophotographic image forming apparatus, the first rotating member is not in contact with the gear and is no longer rotated, the second rotating member is no longer rotated, and the contact portion no longer triggers the contacted member of the electrophotographic image forming apparatus. Thus, the developing cartridge is detected to be not new.
第一转动件和第二转动件都不具有齿部，从而结构简单、成本低，进而安装此第一转动件和第二转动件的显影盒的成本低。相对于齿轮传动，利用弹性摩擦层进行传动更容易精确控制，且不会产生噪声及振动等问题。接触部无需设置成多个，通过控制第一转动件和第二转动件之间的尺寸关系，以控制第二转动件的旋转圈数，实现接触部多次触发电子照相成像设备内的被接触部件。因各转动件的尺寸参数准确可控，使该检测机构性能更稳定可靠。The first rotating member and the second rotating member do not have tooth portions, so that the structure is simple and the cost is low, and the developing cartridge in which the first rotating member and the second rotating member are mounted is low in cost. Compared with the gear transmission, the elastic friction layer is used for the transmission to be more easily and accurately controlled, and no problems such as noise and vibration are generated. The contact portion need not be provided in plurality, and the size relationship between the first rotating member and the second rotating member is controlled to control the number of rotations of the second rotating member, so that the contact portion is triggered to be touched in the electrophotographic image forming apparatus multiple times. component. Because the size parameters of each rotating member are accurately controllable, the performance of the detecting mechanism is more stable and reliable.
较具体的方案为第一转动件的内圆周设置有弹性摩擦层，第二转动件部分设置在第一转动件内部并与第一转动件的内圆周的弹性摩擦层过盈配合。通过第一转动件的内圆周的弹性摩擦层带动第二转动件旋转。More specifically, the inner circumference of the first rotating member is provided with an elastic friction layer, and the second rotating member portion is disposed inside the first rotating member and has an interference fit with the elastic friction layer of the inner circumference of the first rotating member. The second rotating member is rotated by the elastic friction layer of the inner circumference of the first rotating member.
更具体的方案为第一转动件的内圆周的弹性摩擦层与第一运动构件的外圆周的弹性摩擦层一体式设置。使弹性摩擦层更容易安装与固定。More specifically, the elastic friction layer of the inner circumference of the first rotating member is integrally provided with the elastic friction layer of the outer circumference of the first moving member. Make the elastic friction layer easier to install and fix.
另一较具体的方案为第二转动件部分地设置在第一转动件内，且第二转动件位于第一转动件内的部分的外周面设置有弹性摩擦层，第二转动件通过第二转动件的弹性摩擦层与第一转动件过盈配合。通过第二转动件位于第一转动件内的部分的外周面上设置的弹性摩擦层第一转动件带动第二转动件旋转。Another more specific solution is that the second rotating member is partially disposed in the first rotating member, and the outer peripheral surface of the portion of the second rotating member located in the first rotating member is provided with an elastic friction layer, and the second rotating member is passed through the second The elastic friction layer of the rotating member is in an interference fit with the first rotating member. The first rotating member of the elastic friction layer disposed on the outer peripheral surface of the portion of the second rotating member located in the first rotating member drives the second rotating member to rotate.
第一转动件设置为筒状，其外周没有齿部，从而结构简单、成本低，进而安装此第一转动件的显影盒的成本低。相对于齿轮传动，利用弹性摩擦层进行传动更容易精确控制，且不会产生噪声及振动等问题。The first rotating member is provided in a cylindrical shape, and has no teeth at its outer circumference, so that the structure is simple and the cost is low, and the developing cartridge to which the first rotating member is mounted is low in cost. Compared with the gear transmission, the elastic friction layer is used for the transmission to be more easily and accurately controlled, and no problems such as noise and vibration are generated.
图1是本发明第一实施例的立体图；Figure 1 is a perspective view of a first embodiment of the present invention;
图2是本发明第一实施例的剖视图；Figure 2 is a cross-sectional view showing a first embodiment of the present invention;
图3是本发明第一实施例的结构分解立体图；Figure 3 is an exploded perspective view showing the structure of the first embodiment of the present invention;
图4是本发明第一实施例的第一转动件的立体图；Figure 4 is a perspective view of the first rotating member of the first embodiment of the present invention;
图5是本发明第二实施例的驱动端的局部放大图；Figure 5 is a partial enlarged view of the driving end of the second embodiment of the present invention;
图6是本发明第二实施例的驱动端的局部放大图；Figure 6 is a partial enlarged view of the driving end of the second embodiment of the present invention;
图7是本发明第二实施例的局部剖视图。Figure 7 is a partial cross-sectional view showing a second embodiment of the present invention.
下面结合实施例及其附图对本发明作详细说明。The present invention will be described in detail below with reference to the embodiments and the accompanying drawings.
第一实施例First embodiment
如图1所示，显影盒的盒体1内具有容纳碳粉的碳粉容纳部，盒体的驱动端设置有端盖11，碳粉容纳部具有一个可将所容纳的碳粉向外提供的开口，显影辊21可旋转地置于开口处。显影盒可拆卸地安装至电子照相成像设备内，用于为利用碳粉容纳部的碳粉的通过显影辊21对感光鼓上的静电潜像进行显影。As shown in FIG. 1, the casing 1 of the developing cartridge has a toner accommodating portion for accommodating the toner, and the driving end of the casing is provided with an end cover 11 having a toner receiving portion for providing the toner to be accommodated outward. The opening of the developing roller 21 is rotatably placed at the opening. The developing cartridge is detachably mounted into the electrophotographic image forming apparatus for developing the electrostatic latent image on the photosensitive drum by the developing roller 21 for the toner using the toner accommodating portion.
图2示出了显影盒的内部结构，其中显影辊21位于盒体1的开口处，盒体1内还安装有为显影辊21输送碳粉的送粉辊22和控制显影辊21上碳粉层厚度的出粉刀25，由搅拌轴23和搅拌叶片24构成的搅拌构件位于碳粉容纳部内，显影辊21、送粉辊22和搅拌构件可旋转地支撑在盒体的两端壁上。2 shows the internal structure of the developing cartridge in which the developing roller 21 is located at the opening of the casing 1, and the toner conveying roller 22 for conveying the toner to the developing roller 21 and the toner on the developing roller 21 are mounted in the casing 1. The powder pulverizing blade 25 having a layer thickness, the agitating member composed of the agitating shaft 23 and the agitating blade 24 is located in the toner accommodating portion, and the developing roller 21, the powder feeding roller 22, and the agitating member are rotatably supported on both end walls of the casing.
如图3所示，图3为显影盒的结构分解图，为表达清晰起见，保护内部结构的端盖11采取了与盒体1分解的表达方式，驱动显影辊、送粉辊和搅拌构件的齿轮系3设置在盒体1一个端壁的外侧，作为检测部件的第一转动件4邻近齿轮系3中的一个齿轮31设置，并可旋转地固定在从外壁突出的定位柱12上。在本实施例中，齿轮31为驱动搅拌构件的驱动齿轮，可以理解的是，第一转动件4可以邻近齿轮系3中的任一齿轮设置，只要满足其能直接或间接触发电子照相成像设备的被接触构件，使电子照相成像设备能够对显影盒进行检测即可。As shown in FIG. 3, FIG. 3 is an exploded perspective view of the developing cartridge. For clarity of expression, the end cap 11 for protecting the internal structure adopts an expression disintegrating with the casing 1 to drive the developing roller, the powder feeding roller and the stirring member. The gear train 3 is disposed outside one end wall of the casing 1, and the first rotating member 4 as a detecting member is disposed adjacent to one of the gear trains 3, and is rotatably fixed to the positioning post 12 projecting from the outer wall. In the present embodiment, the gear 31 is a drive gear that drives the agitating member. It can be understood that the first rotating member 4 can be disposed adjacent to any one of the gear trains 3 as long as it can directly or indirectly trigger the electrophotographic image forming apparatus. The member to be contacted enables the electrophotographic image forming apparatus to detect the developing cartridge.
如图4所示，第一转动件4上远离盒体的部分设置有触发电子照相成像设备内被接触构件的接触部41，靠近盒体部分的外周沿周向设有一段弹性摩擦层42及没有弹性摩擦层覆盖的部分43。As shown in FIG. 4, a portion of the first rotating member 4 remote from the casing is provided with a contact portion 41 for triggering the contacted member in the electrophotographic image forming apparatus, and an elastic friction layer 42 is provided circumferentially adjacent to the outer periphery of the casing portion and has no elasticity. The portion 43 covered by the friction layer.
当第一转动件4的弹性摩擦层42转至与齿轮31面对时，弹性摩擦层42与齿轮31的齿顶之间过盈配合，当没有弹性摩擦层覆盖的部分43转至与齿轮31面对时，第一转动件4与齿轮31的齿顶间隙配合。When the elastic friction layer 42 of the first rotating member 4 is turned to face the gear 31, the elastic friction layer 42 has an interference fit with the tooth tip of the gear 31, and when the portion 43 not covered by the elastic friction layer is turned to the gear 31 In the face, the first rotating member 4 is in clearance with the tip of the gear 31.
本实施例的新的显影盒安装至电子照相成像设备后，齿轮系3接受电子照相成像设备的驱动而旋转，通过弹性摩擦层42与齿轮31的齿顶过盈配合，齿轮31的驱动力通过摩擦传递至第一转动件4，致使第一转动件4转动，转动至接触部41触发电子照相成像设备内的被接触构件，电子照相成像设备认定显影盒为新的及认定显影盒的容量信息为满载。第一转动件4上没有设置弹性摩擦层的部分43转至与齿轮31面对时，第一转动件4与齿轮31的齿顶间隙配合，即第一转动件4脱离与齿轮31接触，第一转动件4停止转动。当使用过的显影盒再次安装至电子照相成像设备时，第一转动件4因不与齿轮31接触而不再转动，接触部41也不再触发电子照相成像设备的被接触构件，从而电子照相成像设备认定显影盒不是新的。After the new developing cartridge of the embodiment is mounted to the electrophotographic image forming apparatus, the gear train 3 is rotated by the driving of the electrophotographic image forming apparatus, and the driving force of the gear 31 is passed through the elastic friction layer 42 and the tooth tip of the gear 31. The friction is transmitted to the first rotating member 4, causing the first rotating member 4 to rotate, and the rotation to the contact portion 41 triggers the contacted member in the electrophotographic image forming apparatus, and the electrophotographic image forming apparatus determines that the developing cartridge is new and identifies the capacity information of the developing cartridge Fully loaded. When the portion 43 of the first rotating member 4 where the elastic friction layer is not disposed is turned to face the gear 31, the first rotating member 4 is engaged with the top of the gear 31, that is, the first rotating member 4 is disengaged from the gear 31, A rotating member 4 stops rotating. When the used developing cartridge is again mounted to the electrophotographic image forming apparatus, the first rotating member 4 is no longer rotated because it is not in contact with the gear 31, and the contact portion 41 no longer triggers the contacted member of the electrophotographic image forming apparatus, thereby electrophotography The image forming apparatus determined that the developing cartridge was not new.
在碳粉容纳部的容量较大，需要多次触发电子照相成像设备的被接触构件时，接触部41设置为多个。When the capacity of the toner accommodating portion is large and it is necessary to trigger the contact member of the electrophotographic image forming apparatus a plurality of times, the contact portion 41 is provided in plurality.
第二实施例Second embodiment
本实施例的结构基本与第一实施例相同，其不同之处在于检测部件。The structure of this embodiment is basically the same as that of the first embodiment, and is different in that the detecting member.
如图5所示，图5为显影盒驱动端局部放大图，为表达清晰起见，端盖11采取了与盒体1分解的表达方式。盒体1端壁的外壁上设置有驱动显影辊、送粉辊和搅拌构件等的齿轮系3，作为检测部件的第一转动件5和第二转动件6设置为邻近齿轮系3中的一齿轮31。在本实施例中，齿轮31为驱动搅拌构件的驱动齿轮，可以理解的是，检测部件可以邻近齿轮系3中的任一齿轮设置。As shown in FIG. 5, FIG. 5 is a partially enlarged view of the driving end of the developing cartridge, and the end cap 11 adopts an expression decomposed with the casing 1 for clarity of expression. A gear train 3 that drives a developing roller, a powder feed roller, a stirring member, and the like is disposed on an outer wall of the end wall of the casing 1. The first rotating member 5 and the second rotating member 6 as detecting members are disposed adjacent to one of the gear trains 3. Gear 31. In the present embodiment, the gear 31 is a drive gear that drives the agitating member, it being understood that the detecting member may be disposed adjacent to any of the gear trains 3.
如图6所示，图6为显影盒驱动端局部放大图，为表达清晰起内，端盖已从盒体1上拆除，且第二转动件6采取了与盒体1分解的表达方式。筒形的第一转动件5可旋转地固定在盒体1上，其外周沿周向设有一段弹性摩擦层51及没有被弹性摩擦层覆盖的部分52，在弹性摩擦层与齿轮31面对时，弹性摩擦层51与齿轮31的齿顶过盈配合，在没有被弹性摩擦层覆盖的部分52与齿轮31面对时，第一转动件5与齿轮31的齿顶间隙配合。第二转动件6通过从外壁上突起的定位柱13可转动地固定在外壁上，并与第一转动件5过盈配合，接触部61设置在第二转动件6远离盒体外壁的一端，并沿该端轴向外伸。在本实施例中，定位柱13设置在第一转动件5内部，通过第一转动件5的内壁与第二转动件6过盈配合而带动第二转动件6旋转，可以理解的是定位柱13也可以设置在第一转动件5的外部，通过第一转动件5的弹性摩擦层51与第二转动件6过盈配合而带动第二转动件6旋转，如此能够达到同样的效果。As shown in Fig. 6, Fig. 6 is a partially enlarged view of the driving end of the developing cartridge. The inner end cap has been removed from the casing 1 for clarity of expression, and the second rotating member 6 takes the expression decomposed with the casing 1. The cylindrical first rotating member 5 is rotatably fixed to the casing 1, and a peripheral portion thereof is circumferentially provided with a portion of the elastic friction layer 51 and a portion 52 not covered by the elastic friction layer. When the elastic friction layer faces the gear 31, The elastic friction layer 51 is interference-fitted with the crest of the gear 31, and the first rotating member 5 is fitted to the top of the gear 31 when the portion 52 not covered by the elastic friction layer faces the gear 31. The second rotating member 6 is rotatably fixed to the outer wall by a positioning post 13 projecting from the outer wall, and is in an interference fit with the first rotating member 5, and the contact portion 61 is disposed at an end of the second rotating member 6 away from the outer wall of the casing. And extending axially along the end. In this embodiment, the positioning post 13 is disposed inside the first rotating member 5, and the second rotating member 6 is rotated by the interference between the inner wall of the first rotating member 5 and the second rotating member 6. 13 can also be disposed outside the first rotating member 5, and the second rotating member 6 can be rotated by the interference fit of the elastic friction layer 51 of the first rotating member 5 and the second rotating member 6, so that the same effect can be achieved.
如图7所示，第一转动件的内周面也设置有弹性摩擦层，第二转动件6上与第一转动件接触的部分62与该弹性摩擦层过盈配合，从而带动第二转动件6转动，可以理解的是，弹性摩擦层也可以设置在第二转动件6的接触部分62的外周面而不是第一转动件的内周面，同样可以使第一转动件5带动第二转动件6转动。第一转动件5上设置有凹槽53，从盒体外壁上突起的卡钩14的端部卡入凹槽53内，从而使第一转动件可转动地固定在盒体外壁上。As shown in FIG. 7, the inner peripheral surface of the first rotating member is also provided with an elastic friction layer, and the portion 62 of the second rotating member 6 in contact with the first rotating member is in an interference fit with the elastic friction layer, thereby driving the second rotation. The member 6 is rotated. It can be understood that the elastic friction layer can also be disposed on the outer peripheral surface of the contact portion 62 of the second rotating member 6 instead of the inner peripheral surface of the first rotating member, and the first rotating member 5 can also be driven to the second. The rotating member 6 rotates. The first rotating member 5 is provided with a recess 53 into which the end of the hook 14 projecting from the outer wall of the casing is engaged, so that the first rotating member is rotatably fixed to the outer wall of the casing.
本实施例安装至电子照相成像设备后，齿轮系3接受电子照相成像设备的驱动而旋转，通过在第一转动件5上设置的弹性摩擦层51与齿轮31的齿顶过盈配合，齿轮31的驱动力通过摩擦传递至第一转动件5，致使第一转动件5转动。由于第二转动件6与第一转动件5过盈配合，面带动第二转动件6转动，从而接触部触发电子照相成像设备内的被接触构件，电子照相成像设备认定显影盒为新的及认定显影盒的容量信息为满载。在转至第一转动件5上没有设置弹性摩擦层的外周部分52与齿轮31面对时，第一转动件5与齿轮31的齿顶间隙配合，即第一转动件5脱离与齿轮31接触，第一转动件5停止转动，从而第二转动件6也停止转动。当使用过的显影盒再次安装至电子照相成像设备时，第一转动件5不与齿轮31接触而不再转动，第二转动件6也不再转动，接触部61也不再触发电子照相成像设备的被接触构件，从而电子照相成像设备认定显影盒不是新的。After the embodiment is mounted to the electrophotographic image forming apparatus, the gear train 3 is rotated by the driving of the electrophotographic image forming apparatus, and the gear 31 is interference-fitted by the elastic friction layer 51 provided on the first rotating member 5 and the tooth tip of the gear 31. The driving force is transmitted to the first rotating member 5 by friction, causing the first rotating member 5 to rotate. Since the second rotating member 6 has an interference fit with the first rotating member 5, the surface drives the second rotating member 6 to rotate, so that the contact portion triggers the contacted member in the electrophotographic image forming apparatus, and the electrophotographic image forming apparatus determines that the developing cartridge is new and It is assumed that the capacity information of the developing cartridge is full. When the outer peripheral portion 52 that is not provided with the elastic friction layer on the first rotating member 5 faces the gear 31, the first rotating member 5 is engaged with the top of the gear 31, that is, the first rotating member 5 is disengaged from the gear 31. The first rotating member 5 stops rotating, so that the second rotating member 6 also stops rotating. When the used developing cartridge is again mounted to the electrophotographic image forming apparatus, the first rotating member 5 is not in contact with the gear 31 and is no longer rotated, the second rotating member 6 is no longer rotated, and the contact portion 61 no longer triggers electrophotographic imaging. The member of the device is contacted, whereby the electrophotographic image forming apparatus determines that the developing cartridge is not new.
在需要多次触发电子照相成像设备内的被接触构件时，本实施例中的接触部61也无需设置成多个，通过调整第一运动构件5被弹性摩擦层51覆盖的外周长度与第二运动构件6的接触部分62的外周长度之间的比例关系使第二运动构件6转动多周，即可实现接触部61对电子照相成像设备内的被接触构件的多次触发。因各转动件的尺寸参数准确可控，使该检测机构性能更稳定可靠。When it is required to trigger the contact member in the electrophotographic image forming apparatus a plurality of times, the contact portion 61 in the present embodiment does not need to be provided in plurality, by adjusting the length of the outer circumference of the first moving member 5 covered by the elastic friction layer 51 and the second The proportional relationship between the outer circumferential lengths of the contact portions 62 of the moving members 6 causes the second moving members 6 to rotate for a plurality of weeks, so that the plurality of triggers of the contact portions 61 to the contacted members in the electrophotographic image forming apparatus can be realized. Because the size parameters of each rotating member are accurately controllable, the performance of the detecting mechanism is more stable and reliable.
以上是本发明的几个具体实施例，本发明包括但不限于此，凡采用等效变换等方式的技术方案都落在本发明的保护范围内。The above are several specific embodiments of the present invention, and the present invention includes but is not limited thereto, and all the technical solutions adopting the equivalent conversion and the like fall within the protection scope of the present invention.
通过在第一转动件上设置的弹性摩擦层与齿轮的齿顶过盈配合，齿轮的驱动力通过摩擦传递至第一转动件，致使第一转动件跟随转动。接触部触发电子照相成像设置的被接触构件，显影盒为新的及显影盒的容量信息传递至电子照相成像设备。在转动至第一转动件上没有设置弹性摩擦层的外周部分与齿轮面对时，由于第一转动件与齿轮的齿顶间隙配合，即第一转动件不再与齿轮接触，第一转动件停止转动。当使用过的显影盒再次安装至电子照相成像设备时，第一转动件不与齿轮接触而不再转动，接触部也不再触发电子照相成像设备的被接触构件，从而此显影盒被检测出不是新的。 By the interference fit of the elastic friction layer provided on the first rotating member and the tooth tip of the gear, the driving force of the gear is transmitted to the first rotating member by friction, so that the first rotating member follows the rotation. The contact portion triggers the contact member provided in the electrophotographic image forming, the developing cartridge is new and the capacity information of the developing cartridge is transmitted to the electrophotographic image forming apparatus. When the outer peripheral portion of the first rotating member that is not provided with the elastic friction layer faces the gear, since the first rotating member is in clearance with the tip of the gear, that is, the first rotating member is no longer in contact with the gear, the first rotating member Stop turning. When the used developing cartridge is again mounted to the electrophotographic image forming apparatus, the first rotating member is not in contact with the gear and is no longer rotated, and the contact portion no longer triggers the contacted member of the electrophotographic image forming apparatus, so that the developing cartridge is detected Not new.

Claims (6)

  1. 显影盒，包括 Developing cartridge, including
    盒体，所述盒体具有碳粉容纳部和沿其长度方向的开口，显影辊可旋转地设置在所述开口处，所述碳粉容纳部内设有可旋转地支撑在所述盒体两端壁上的搅拌构件；a casing having a toner accommodating portion rotatably disposed at the opening, and an opening along a longitudinal direction thereof, wherein the toner accommodating portion is provided rotatably supported in the casing Agitating members on both end walls;
    齿轮系，设置在所述两端壁中的一个的外壁上，用于接收动力并驱动所述搅拌构件及所述显影辊；a gear train disposed on an outer wall of one of the two end walls for receiving power and driving the agitation member and the developing roller;
    其特征在于：It is characterized by:
    第一转动件，可转动地固定所述外壁上，所述第一转动件为筒形构件，其外周沿周向设有一段弹性摩擦层，所述第一转动件与所述齿轮系中的一个齿轮的齿顶间隙配合，所述弹性摩擦层与所述一个齿轮的齿顶过盈配合；a first rotating member rotatably fixing the outer wall, wherein the first rotating member is a cylindrical member, and an outer peripheral portion is circumferentially provided with a length of elastic friction layer, and the first rotating member and one of the gear trains a crest clearance fit, the elastic friction layer being interference fit with the crest of the one gear;
    接触部，设置在所述第一转动件远离所述外壁的一端，并沿该端轴向外伸，用于在所述第一转动件转动过程中触发电子照相成像设备内的被接触构件。And a contact portion disposed at an end of the first rotating member away from the outer wall and extending axially along the end for triggering the contacted member in the electrophotographic image forming apparatus during the rotation of the first rotating member.
  2. 根据权利要求1所述的显影盒，其特征在于：The developing cartridge according to claim 1, wherein:
    所述接触部设置为多个。The contact portion is provided in plurality.
  3. 显影盒，包括Developing cartridge, including
    盒体，所述盒体具有碳粉容纳部和沿其长度方向的开口，显影辊可旋转地设置在所述开口处，所述碳粉容纳部内设有可旋转地支撑在所述盒体两端壁上的搅拌构件；a casing having a toner accommodating portion rotatably disposed at the opening, and an opening along a longitudinal direction thereof, wherein the toner accommodating portion is provided rotatably supported in the casing Agitating members on both end walls;
    齿轮系，设置在所述两端壁中的一个的外壁上，用于接收动力并驱动所述搅拌构件及所述显影辊；a gear train disposed on an outer wall of one of the two end walls for receiving power and driving the agitation member and the developing roller;
    其特征在于：It is characterized by:
    第一转动件，可转动地固定所述外壁上，所述第一转动件为筒形构件，其外周沿周向设有一段弹性摩擦层，所述第一转动件与所述齿轮系中的一个齿轮的齿顶间隙配合，所述弹性摩擦层与所述一个齿轮的齿顶过盈配合；a first rotating member rotatably fixing the outer wall, wherein the first rotating member is a cylindrical member, and an outer peripheral portion is circumferentially provided with a length of elastic friction layer, and the first rotating member and one of the gear trains a crest clearance fit, the elastic friction layer being interference fit with the crest of the one gear;
    第二转动件，可转动地固定在所述外壁上，并与所述第一转动件过盈配合；a second rotating member rotatably fixed to the outer wall and interference fit with the first rotating member;
    接触部，设置在所述第二转动件远离所述外壁的一端，并沿该端轴向外伸，用于在所述第一转动件转动过程中触发电子照相成像设备内的被接触构件。And a contact portion disposed at an end of the second rotating member away from the outer wall and extending axially along the end for triggering the contacted member in the electrophotographic image forming apparatus during the rotation of the first rotating member.
  4. 根据权利要求3所述的显影盒，其特征在于：The developing cartridge according to claim 3, wherein:
    所述第一转动件的内圆周设置有弹性摩擦层，所述第二转动件部分设置在所述第一转动件内部并与所述第一转动件的所述内圆周的所述弹性摩擦层过盈配合。The inner circumference of the first rotating member is provided with an elastic friction layer, and the second rotating member portion is disposed inside the first rotating member and the elastic friction layer of the inner circumference of the first rotating member Interference fit.
  5. 根据权利要求4所述的显影盒，其特征在于：The developing cartridge according to claim 4, wherein:
    所述第一转动件的所述内圆周的弹性摩擦层与所述第一转动件的所述外圆周的弹性摩擦层一体式设置。The elastic friction layer of the inner circumference of the first rotating member is integrally provided with the elastic friction layer of the outer circumference of the first rotating member.
  6. 根据权利要求3所述的显影盒，其特征在于：The developing cartridge according to claim 3, wherein:
    所述第二转动件部分地设置在所述第一转动件内，且所述第二转动件位于所述第一转动件内的部分的外周面设置有弹性摩擦层，所述第二转动件通过所述第二转动件的所述弹性摩擦层与所述第一转动件过盈配合。The second rotating member is partially disposed in the first rotating member, and an outer friction surface of a portion of the second rotating member located in the first rotating member is provided with an elastic friction layer, and the second rotating member The elastic friction layer of the second rotating member is in an interference fit with the first rotating member.
PCT/CN2012/079358 2011-08-26 2012-07-30 Developing box WO2013029449A1 (en)

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CN102262377B (en) * 2011-08-26 2012-09-05 珠海天威飞马打印耗材有限公司 Developing box
MX351838B (en) 2012-06-15 2017-10-31 Canon Kk Cartridge, process cartridge, and electrophotographic image generation device.
CN106647200B (en) * 2016-10-28 2023-10-10 珠海联合天润打印耗材有限公司 Developing cartridge
CN106383433B (en) * 2016-11-18 2023-11-14 珠海联合天润打印耗材有限公司 Developing cartridge for electrophotographic image forming apparatus
CN110727188A (en) * 2019-10-24 2020-01-24 珠海天威飞马打印耗材有限公司 Developing cartridge and image forming apparatus
CN113485079A (en) * 2021-07-02 2021-10-08 珠海天威飞马打印耗材有限公司 Toner cartridge and working method of detection wheel assembly thereof

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