WO2013034074A1 - Ensemble d'entraînement de tambour photosensible et son engrenage d'entraînement - Google Patents

Ensemble d'entraînement de tambour photosensible et son engrenage d'entraînement Download PDF

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Publication number
WO2013034074A1
WO2013034074A1 PCT/CN2012/081006 CN2012081006W WO2013034074A1 WO 2013034074 A1 WO2013034074 A1 WO 2013034074A1 CN 2012081006 W CN2012081006 W CN 2012081006W WO 2013034074 A1 WO2013034074 A1 WO 2013034074A1
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WO
WIPO (PCT)
Prior art keywords
photosensitive drum
driving
conductive sheet
driving gear
conductive
Prior art date
Application number
PCT/CN2012/081006
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English (en)
Chinese (zh)
Inventor
洪奕龙
Original Assignee
珠海天威飞马打印耗材有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 珠海天威飞马打印耗材有限公司 filed Critical 珠海天威飞马打印耗材有限公司
Publication of WO2013034074A1 publication Critical patent/WO2013034074A1/fr

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/75—Details relating to xerographic drum, band or plate, e.g. replacing, testing
    • G03G15/751—Details relating to xerographic drum, band or plate, e.g. replacing, testing relating to drum

Definitions

  • the present invention relates to an image forming apparatus assembly, and more particularly to a driving assembly of a photosensitive drum and a driving gear thereof.
  • the present application claims priority to Chinese Patent Application No. 201110263357.5, the entire disclosure of which is incorporated herein by reference.
  • FIG. 1 is an exploded perspective view showing a driving assembly of a photosensitive drum in the prior art.
  • a cylindrical conductive post 102 is disposed in the middle of the drive head 101.
  • a drive gear 104 is provided at one end of the photosensitive drum 103.
  • the drive gear 104 is provided with a fixing post 105 for mating with the drive head 101.
  • a conductive sheet and a plug are provided, which are surrounded by the meshing portion of the drive gear 104.
  • the cover of the printer is opened, and the driving head 101 in the printer is contracted in the axial direction of the photosensitive drum 103 to facilitate placing the photosensitive drum 103 in the correct position; then, the printer cover is closed, the printer
  • the inner driving head 101 projects in the axial direction of the photosensitive drum 103 and cooperates with the end portion of the photosensitive drum 103, so that the photosensitive drum 103 can be driven to rotate.
  • the conductive post 102 is in contact with the plug and the conductive sheet to achieve electrical conduction.
  • a disadvantage of such a structure in the prior art is that the plug on the photosensitive drum 103 has no elasticity, real-time elastic contact with the conductive post 102 cannot be achieved, and the reliability of the electrical connection is low; and the plug is a hardware material, and the manufacturing cost is relatively high. high.
  • One technical problem to be solved by the present invention is to provide a driving assembly of a photosensitive drum for achieving reliable electrical contact in view of the drawback that the driving assembly of the photosensitive drum in the prior art cannot achieve reliable electrical contact.
  • Another technical problem to be solved by the present invention is to provide a driving gear of a photosensitive drum for achieving reliable electrical contact in view of the drawback that the driving gear of the photosensitive drum in the prior art cannot achieve reliable electrical contact.
  • the technical solution adopted by the present invention to solve the above first technical problem is to provide a driving assembly of a photosensitive drum, comprising a driving gear for fixing one end of the photosensitive drum, and a driving electrically connected to the driving gear a head, wherein the drive gear comprises:
  • the first end of the first end is provided with a first conductive sheet for electrically connecting with the driving head;
  • the second end of the second end is provided with a second conductive sheet for electrically connecting with the photosensitive drum;
  • the driving gear is provided with a receiving hole extending from an end surface of the first end to an end surface of the second end, wherein the receiving hole is provided with a connecting member, one end of the connecting member and the first conductive piece The other end is electrically connected to the second conductive sheet.
  • the first conductive sheet includes a flat plate portion and a projection portion which is higher than an end surface of the first end of the drive gear.
  • one end of the driving head is provided with a concave portion, and the concave portion is provided with a conductive column; and the end surface of the first end of the driving gear is provided with a plurality of a fixing portion of the recessed portion, the protrusion of the first conductive sheet being located between the plurality of fixing posts.
  • the end surface of the first end of the driving gear is provided with a positioning post; the flat portion of the first conductive piece is provided with a corresponding positioning hole, the positioning hole Cooperating with the positioning post.
  • the second conductive sheet includes a thin plate-shaped main body provided with a groove to form a contact claw for making electrical contact with the inner wall of the photosensitive drum.
  • the contact claw extends in the radial direction of the photosensitive drum and protrudes from the outer peripheral surface of the thin plate-shaped body.
  • the connecting member is a spring or a pin.
  • the conductive post of the driving head is in electrical contact with the protruding portion of the first conductive sheet.
  • the driving assembly of the photosensitive drum embodying the present invention has the following advantageous effects: since the driving assembly of the present invention employs two conductive sheets and electrically connects the two with a connecting member, the production cost and the complexity of assembly are reduced.
  • the first conductive sheet is provided with a protruding portion, and the second conductive sheet is provided with a contact claw, and a spring connection is adopted therebetween to ensure a reliable elastic electrical connection.
  • the technical solution adopted by the present invention to solve the above second technical problem is to provide a driving gear of the photosensitive drum, comprising:
  • a first end for mating with a driving head the first end of the first end is provided with a first conductive sheet for electrically connecting with the driving head;
  • the second end of the second end is provided with a second conductive sheet for electrically connecting with the photosensitive drum;
  • the driving gear is provided with a receiving hole extending from an end surface of the first end to an end surface of the second end, wherein the receiving hole is provided with a connecting member, one end of the connecting member and the first conductive piece The other end is electrically connected to the second conductive sheet.
  • the first conductive sheet includes a flat plate portion and a projection portion that is higher than an end surface of the first end of the drive gear.
  • one end of the driving head is provided with a concave portion, and a conductive column is disposed in the concave portion; and an end surface of the first end of the driving gear is provided with a plurality of fixing columns that cooperate with the concave portion
  • the protrusion of the first conductive sheet is located between the plurality of fixing posts.
  • a positioning post is disposed on an end surface of the first end of the driving gear; a corresponding positioning hole is disposed on the flat plate portion of the first conductive piece, and the positioning hole and the positioning post Cooperate.
  • the second conductive sheet includes a thin plate-like body on which a groove is provided to form a contact claw for making electrical contact with the inner wall of the photosensitive drum.
  • the contact claw extends in the radial direction of the photosensitive drum and protrudes from the outer peripheral surface of the thin plate-shaped body.
  • the connecting member is a spring or a pin.
  • the conductive post of the drive head is in electrical contact with the protrusion of the first conductive sheet.
  • the driving gear of the photosensitive drum of the present invention has the following advantageous effects: since the driving gear of the present invention employs two conductive sheets and electrically connects the two by a connecting member, the production cost and the complexity of assembly are reduced.
  • the first conductive sheet is provided with a protruding portion, and the second conductive sheet is provided with a contact claw, and a spring connection is adopted therebetween to ensure a reliable elastic electrical connection.
  • FIG. 1 is an exploded perspective view showing a driving assembly of a photosensitive drum in the prior art.
  • Figure 2 is an exploded perspective view showing the driving assembly of the photosensitive drum of the present invention.
  • Figure 3 is another exploded perspective view of the driving assembly of the photosensitive drum of the present invention.
  • the driving assembly of the photosensitive drum 201 includes a driving head 202 and a driving gear 203.
  • the driving head 202 is disposed inside the printer and has a cylindrical shape, and one end thereof is provided with a recess 204. Within the recess 204, a conductive post 205 is provided, which is located on the axis of the drive head 202.
  • the driving gear 203 is disposed at one end of the photosensitive drum 201, and includes a first end 203b connectable or mate with the driving head 202, a second end 203a connected to the photosensitive drum 201, and a first end 203b and a second end 203a. Engagement portion 203c.
  • the end of the photosensitive drum 201 is sleeved and fixed outside the second end 203a of the drive gear 203.
  • On the end surface of the first end 203b of the drive gear 203 a plurality of fixing posts 206 extending in the axial direction of the photosensitive drum 201 are disposed. In this embodiment, the number of the fixing posts 206 is three.
  • the three fixing posts 206 cooperate with the recesses 204 of the driving head 202.
  • a first conductive sheet 207 is also fixedly disposed.
  • the first conductive sheet 207 includes a flat plate portion 207a and a protruding portion 207b.
  • a positioning post 208 is disposed on the end surface of the first end 203b of the driving gear 203.
  • the flat plate portion 207a of the first conductive piece 207 is provided with a corresponding positioning hole 209, and the positioning hole 209 is engaged with the positioning post 208.
  • the protrusion 207b is located between the three fixing posts 206 and is located on the axis of the photosensitive drum 201, the protrusion 207b being higher than the end face of the first end 203b of the drive gear 203.
  • the second conductive sheet 211 includes a thin plate-shaped main body on which a groove is formed, thereby forming a contact claw 213 for making electrical contact with the inner wall of the photosensitive drum 201, the contact claw 213 extending in the radial direction of the photosensitive drum 201, and protruding The outer peripheral surface of the thin plate-shaped body of the second conductive sheet 211. Similar to the first conductive sheet 207, the second conductive sheet 211 is provided with a positioning hole.
  • a positioning post is disposed, and the positioning post and the positioning hole on the second conductive sheet 211 are disposed. Cooperate.
  • the contact claw 213 is in close contact with the inner wall of the photosensitive drum 201.
  • a receiving hole 210 extending from the end surface of the first end 203b to the end surface of the second end 203a is further provided. Inside the receiving hole 210, a connecting member 212 is provided. One end of the connecting member 212 is electrically connected to the first conductive sheet 207, and the other end is electrically connected to the second conductive sheet 211.
  • the connecting member is preferably a spring, and a shaft pin or the like may also be employed.
  • the cover of the printer is opened, and the drive head 202 in the printer is contracted along the axial direction of the photosensitive drum 201 to facilitate placing the photosensitive drum 201 in the correct position; then the printer cover is closed, the printer
  • the inner driving head 202 projects in the axial direction of the photosensitive drum 201 and cooperates with the driving gear 203 at the end of the photosensitive drum 201, so that the photosensitive drum 201 can be driven to rotate.
  • the conductive post 205 is in contact with the protruding portion 207b of the first conductive sheet 207, and the first conductive sheet 207 is electrically connected to the second conductive sheet 211 through the connecting member 212, thereby electrically connecting the driving head 202 of the printer to the photosensitive drum 201.
  • the driving assembly of the present invention employs two conductive sheets 207, 211 and electrically connects the two with the connecting member 212, the production cost and the complexity of assembly are reduced.
  • the first conductive sheet 207 is provided with a protruding portion 207b, and the second conductive sheet 211 is provided with a contact claw 213, and a spring connection is adopted therebetween to ensure a reliable elastic electrical connection.
  • the photosensitive drum drive assembly of the present invention and its drive gear can be manufactured and used industrially.
  • the drive gear uses two conductive sheets and uses connectors to electrically connect the two, reducing production costs and assembly complexity. Therefore, the present invention has industrial applicability.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)

Abstract

L'invention porte sur un ensemble d'entraînement d'un tambour photosensible (201), lequel ensemble comprend un engrenage d'entraînement (203) disposé de façon fixe sur une extrémité du tambour photosensible (201), et une tête d'entraînement (202) connectée électriquement à l'engrenage d'entraînement (203). L'engrenage d'entraînement (203) comprend : une première extrémité (203b) s'adaptant à la tête d'entraînement (202), une surface d'extrémité de la première extrémité (203b) comportant une première pièce électriquement conductrice (207) connectée électriquement à la tête d'entraînement (202); et une seconde extrémité (203a) connectée au tambour photosensible (201), une surface d'extrémité de la seconde extrémité (203a) comportant une seconde pièce électriquement conductrice (211) connectée électriquement au tambour photosensible (201). L'engrenage d'entraînement (203) comporte un trou de réception (210) s'étendant à partir de la surface d'extrémité de la première extrémité (203b) jusqu'à la surface d'extrémité de la seconde extrémité (203a). Un élément de liaison (212) est disposé dans le trou de réception (210). L'élément de liaison (212) a une extrémité connectée électriquement à la première pièce électriquement conductrice (207), et l'autre extrémité connectée électriquement à la seconde pièce électriquement conductrice (211).
PCT/CN2012/081006 2011-09-07 2012-09-05 Ensemble d'entraînement de tambour photosensible et son engrenage d'entraînement WO2013034074A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110263357.5 2011-09-07
CN201110263357.5A CN102314118B (zh) 2011-09-07 2011-09-07 感光鼓的驱动组件

Publications (1)

Publication Number Publication Date
WO2013034074A1 true WO2013034074A1 (fr) 2013-03-14

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PCT/CN2012/081006 WO2013034074A1 (fr) 2011-09-07 2012-09-05 Ensemble d'entraînement de tambour photosensible et son engrenage d'entraînement

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CN (1) CN102314118B (fr)
WO (1) WO2013034074A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102314118B (zh) * 2011-09-07 2015-01-21 珠海天威飞马打印耗材有限公司 感光鼓的驱动组件
CN104049484B (zh) * 2013-03-15 2017-08-11 纳思达股份有限公司 感光元件驱动组件、处理盒及处理盒安装检测方法
CN206162062U (zh) * 2016-10-25 2017-05-10 珠海市鑫诚科技有限公司 一种硒鼓辊轴安装结构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001147618A (ja) * 1999-11-18 2001-05-29 Canon Inc 画像形成装置
CN1359036A (zh) * 2000-10-04 2002-07-17 佳能株式会社 驱动力传送部件,电照相感光鼓,处理盒和电照相成像设备
CN1696839A (zh) * 2004-05-11 2005-11-16 佳能株式会社 电摄影感光鼓、处理盒和电摄影成像设备
CN101241324A (zh) * 2007-02-07 2008-08-13 京瓷美达株式会社 感光鼓单元和具有该感光鼓单元的图像形成装置
CN102314118A (zh) * 2011-09-07 2012-01-11 珠海天威飞马打印耗材有限公司 感光鼓的驱动组件

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7433631B2 (en) * 2005-12-20 2008-10-07 Xerox Corporation Material supply module drive shaft

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001147618A (ja) * 1999-11-18 2001-05-29 Canon Inc 画像形成装置
CN1359036A (zh) * 2000-10-04 2002-07-17 佳能株式会社 驱动力传送部件,电照相感光鼓,处理盒和电照相成像设备
CN1696839A (zh) * 2004-05-11 2005-11-16 佳能株式会社 电摄影感光鼓、处理盒和电摄影成像设备
CN101241324A (zh) * 2007-02-07 2008-08-13 京瓷美达株式会社 感光鼓单元和具有该感光鼓单元的图像形成装置
CN102314118A (zh) * 2011-09-07 2012-01-11 珠海天威飞马打印耗材有限公司 感光鼓的驱动组件

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CN102314118A (zh) 2012-01-11

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