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WO2013034074A1 - Drive assembly of photosensitive drum and drive gear thereof - Google Patents

Drive assembly of photosensitive drum and drive gear thereof 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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WIPO (PCT)
Prior art keywords
photosensitive drum
driving
conductive sheet
driving gear
conductive
Prior art date
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Ceased
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PCT/CN2012/081006
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French (fr)
Chinese (zh)
Inventor
洪奕龙
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Print Rite Unicorn Image Products Co Ltd
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Print Rite Unicorn Image Products Co Ltd
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Publication date
Application filed by Print Rite Unicorn Image Products Co Ltd filed Critical Print Rite Unicorn Image Products Co Ltd
Publication of WO2013034074A1 publication Critical patent/WO2013034074A1/en
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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

A drive assembly of a photosensitive drum (201) comprises a drive gear (203) fixedly disposed on one end of the photosensitive drum (201), and a drive head (202) electrically connected to the drive gear (203). The drive gear (203) comprises: a first end (203b) fitting the drive head (202), an end surface of the first end (203b) being provided with a first electrically conductive piece (207) electrically connected to the drive head (202); and a second end (203a) connected to the photosensitive drum (201), an end surface of the second end (203a) being provided with a second electrically conductive piece (211) electrically connected to the photosensitive drum (201). The drive gear (203) is provided with an accommodation hole (210) extending from the end surface of the first end (203b) to the end surface of the second end (203a). A connecting member (212) is disposed in the accommodation hole (210). The connecting member (212) has one end electrically connected to the first electrically conductive piece (207), and the other end electrically connected to the second electrically conductive piece (211).

Description

感光鼓的驱动组件及其驱动齿轮  Photoconductor drum drive assembly and its drive gear 技术领域Technical field

本发明涉及成像装置组件，更具体地说，涉及感光鼓的驱动组件及其驱动齿轮。本申请要求于2011年09月07日提交中国专利局、申请号为201110263357.5、名称为“感光鼓的驱动组件”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。 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.

背景技术Background technique

打印机内部通常设置有驱动头，用于驱动粉盒内的感光鼓旋转。图1是现有技术中感光鼓的驱动组件的分解示意图。如图1所示，在驱动头101中间设置有圆柱形的导电柱102。在感光鼓103的一端设置有驱动齿轮104。驱动齿轮104上设置有固定柱105，用于与驱动头101配合。在固定柱105中间，设置有导电片和插销，该导电片和插销被驱动齿轮104的啮合部包围。A drive head is usually provided inside the printer for driving the drum in the toner cartridge to rotate. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded perspective view showing a driving assembly of a photosensitive drum in the prior art. As shown in FIG. 1, 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. In the middle of the fixed post 105, a conductive sheet and a plug are provided, which are surrounded by the meshing portion of the drive gear 104.

将粉盒安装到打印机内时，打开打印机的仓盖，打印机内的驱动头101沿着感光鼓103的轴向收缩，以便于将感光鼓103放到正确的位置；之后关闭打印机仓盖，打印机内的驱动头101沿着感光鼓103的轴向伸出，并与感光鼓103的端部配合，从而可驱动感光鼓103转动。导电柱102与插销及导电片接触，实现电导通。 When the toner cartridge is installed in the printer, 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.

现有技术中的这种结构的缺陷在于，感光鼓103上的插销没有弹性，与导电柱102之间不能实现实时弹性接触，电连接的可靠度低；并且插销为五金件材料，制造成本较高。 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.

技术问题technical problem

本发明要解决的一个技术问题在于，针对现有技术中感光鼓的驱动组件不能实现可靠电接触的缺陷，提供一种感光鼓的驱动组件，以实现可靠的电接触。 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.

本发明要解决的另一个技术问题在于，针对现有技术中感光鼓的驱动齿轮不能实现可靠电接触的缺陷，提供一种感光鼓的驱动齿轮，以实现可靠的电接触。 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.

技术解决方案Technical solution

本发明解决上述第一个技术问题所采用的技术方案是：提供一种感光鼓的驱动组件，包括用于固定设置在所述感光鼓一端的驱动齿轮、以及与所述驱动齿轮电连接的驱动头，其中，所述驱动齿轮包括： 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:

用于与所述驱动头相连的第一端，所述第一端的端面上设置有用于与所述驱动头电连接的第一导电片；以及 a first end connected to the driving head, the first end of the first end is provided with a first conductive sheet for electrically connecting with the driving head;

用于与所述感光鼓相连的第二端，所述第二端的端面上设置有用于与所述感光鼓电连接的第二导电片； a second end connected to the photosensitive drum, the second end of the second end is provided with a second conductive sheet for electrically connecting with the photosensitive drum;

所述驱动齿轮上设置有从所述第一端的端面延伸至所述第二端的端面的容纳孔，所述容纳孔内设置有连接件，所述连接件的一端与所述第一导电片电连接，另一端与所述第二导电片电连接。 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.

根据本发明所述的感光鼓的驱动组件，所述第一导电片包括平板部以及突起部，所述突起部高出于所述驱动齿轮的第一端的端面。 According to the driving assembly of the photosensitive drum of the present invention, 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.

根据本发明所述的感光鼓的驱动组件，所述驱动头的一端设置有凹部，所述凹部内设置有导电柱；所述驱动齿轮的第一端的端面上，设置有多个与所述凹部配合的固定柱，所述第一导电片的突起部位于所述多个固定柱之间。 According to the driving assembly of the photosensitive drum of the present invention, 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.

根据本发明所述的感光鼓的驱动组件，所述驱动齿轮的第一端的端面上，设置有定位柱；所述第一导电片的平板部上设置有对应的定位孔，所述定位孔与所述定位柱配合。 According to the driving assembly of the photosensitive drum of the present invention, 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.

根据本发明所述的感光鼓的驱动组件，所述第二导电片包括薄板状主体，所述薄板状主体上设置有槽，从而形成用于与所述感光鼓的内壁电接触的触爪。 According to the driving assembly of the photosensitive drum of the present invention, 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.

根据本发明所述的感光鼓的驱动组件，所述触爪沿着所述感光鼓的径向延伸，并突出于所述薄板状主体的外周面。 According to the driving assembly of the photosensitive drum of the present invention, 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.

根据本发明所述的感光鼓的驱动组件，所述连接件是弹簧或轴销。  According to the driving assembly of the photosensitive drum of the present invention, the connecting member is a spring or a pin.

根据本发明所述的感光鼓的驱动组件，所述驱动头的导电柱与所述第一导电片的突起部电接触。 According to the driving assembly of the photosensitive drum of the present invention, the conductive post of the driving head is in electrical contact with the protruding portion of the first conductive sheet.

实施本发明的感光鼓的驱动组件，具有以下有益效果：由于本发明的驱动组件采用了两个导电片，并采用连接件将两者电连接，降低了生产成本和组装的复杂程度。第一导电片设置突起部，第二导电片设置触爪，两者之间采用弹簧连接，保证了可靠的弹性电连接。 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.

　　本发明解决上述第二个技术问题所采用的技术方案是：提供一种感光鼓的驱动齿轮，包括： 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:

　　用于与一驱动头配合的第一端，所述第一端的端面上设置有用于与所述驱动头电连接的第一导电片；以及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;

　　用于与所述感光鼓相连的第二端，所述第二端的端面上设置有用于与所述感光鼓电连接的第二导电片；a second end connected to the photosensitive drum, the second end of the second end is provided with a second conductive sheet for electrically connecting with the photosensitive drum;

　　所述驱动齿轮上设置有从所述第一端的端面延伸至所述第二端的端面的容纳孔，所述容纳孔内设置有连接件，所述连接件的一端与所述第一导电片电连接，另一端与所述第二导电片电连接。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.

　　根据本发明的驱动组件，所述第一导电片包括平板部以及突起部，所述突起部高出于所述驱动齿轮的第一端的端面。According to the drive assembly of the present invention, 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.

　　根据本发明的驱动齿轮，所述驱动头的一端设置有凹部，所述凹部内设置有导电柱；所述驱动齿轮的第一端的端面上，设置有多个与所述凹部配合的固定柱，所述第一导电片的突起部位于所述多个固定柱之间。According to the driving gear of the present invention, 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.

　　根据本发明的驱动齿轮，所述驱动齿轮的第一端的端面上，设置有定位柱；所述第一导电片的平板部上设置有对应的定位孔，所述定位孔与所述定位柱配合。According to the driving gear of the present invention, 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.

　　根据本发明的驱动齿轮，所述第二导电片包括薄板状主体，所述薄板状主体上设置有槽，从而形成用于与所述感光鼓的内壁电接触的触爪。According to the drive gear of the present invention, 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.

　　根据本发明的驱动齿轮，所述触爪沿着所述感光鼓的径向延伸，并突出于所述薄板状主体的外周面。According to the drive gear of the present invention, 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.

　　根据本发明的驱动齿轮，所述连接件是弹簧或轴销。According to the drive gear of the invention, the connecting member is a spring or a pin.

　　根据本发明的驱动齿轮，所述驱动头的导电柱与所述第一导电片的突起部电接触。According to the drive gear of the present invention, the conductive post of the drive head is in electrical contact with the protrusion of the first conductive sheet.

有益效果Beneficial effect

实施本发明的感光鼓的驱动齿轮，具有以下有益效果：由于本发明的驱动齿轮采用了两个导电片，并采用连接件将两者电连接，降低了生产成本和组装的复杂程度。第一导电片设置突起部，第二导电片设置触爪，两者之间采用弹簧连接，保证了可靠的弹性电连接。 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.

附图说明DRAWINGS

下面将结合附图及实施例对本发明作进一步说明，附图中：The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

图1是现有技术中感光鼓的驱动组件的分解示意图。 BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded perspective view showing a driving assembly of a photosensitive drum in the prior art.

图2是本发明中感光鼓的驱动组件的分解示意图。 Figure 2 is an exploded perspective view showing the driving assembly of the photosensitive drum of the present invention.

图3是本发明中感光鼓的驱动组件的另一分解示意图。 Figure 3 is another exploded perspective view of the driving assembly of the photosensitive drum of the present invention.

本发明的实施方式Embodiments of the invention

为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

　　图2和图3均为本发明中感光鼓的驱动组件的分解示意图。如图2和图3所示，感光鼓201的驱动组件包括驱动头202和驱动齿轮203。驱动头202设置于打印机内部，呈圆柱状，其一端设置有凹部204。在凹部204内，设置有导电柱205，该导电柱205位于驱动头202的轴线上。2 and 3 are exploded perspective views of the driving assembly of the photosensitive drum of the present invention. As shown in FIGS. 2 and 3, 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.

　　驱动齿轮203设置在感光鼓201的一端，包括可与驱动头202相连或配合的第一端203b、与感光鼓201相连的第二端203a、以及位于第一端203b和第二端203a之间的啮合部203c。感光鼓201的端部套设并固定在驱动齿轮203的第二端203a外。驱动齿轮203的第一端203b的端面上，设置有多个沿感光鼓201的轴向延伸的固定柱206。在本实施例中，固定柱206的数量为三个，这三个固定柱206与驱动头202的凹部204配合，当驱动头202转动时，也会带动驱动齿轮203转动，并进一步带动感光鼓201转动。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. When the driving head 202 rotates, the driving gears 203 are also rotated, and the photosensitive drums are further driven. 201 turns.

　　在驱动齿轮203的第一端203b的端面上，还固定设置有第一导电片207。该第一导电片207包括平板部207a以及突起部207b。在驱动齿轮203的第一端203b的端面上，设置有定位柱208，第一导电片207的平板部207a上设置有对应的定位孔209，定位孔209与定位柱208配合。突起部207b位于三个固定柱206之间，并位于感光鼓201的轴线上，该突起部207b高出于驱动齿轮203的第一端203b的端面。On the end face of the first end 203b of the drive gear 203, 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. On the end surface of the first end 203b of the driving gear 203, a positioning post 208 is disposed. 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.

　　在驱动齿轮203的第二端203a的端面上，设置有第二导电片211。该第二导电片211包括薄板状主体，其上设有槽，从而形成用于与感光鼓201的内壁电接触的触爪213，该触爪213沿着感光鼓201的径向延伸，并突出于第二导电片211的薄板状主体的外周面。与第一导电片207类似，第二导电片211上设置有定位孔，驱动齿轮203的第二端203a的端面上，设置有定位柱，所述定位柱与第二导电片211上的定位孔配合。当驱动齿轮203与感光鼓201配合时，触爪213与感光鼓201的内壁紧密接触。On the end face of the second end 203a of the drive gear 203, a second conductive sheet 211 is disposed. 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. On the end surface of the second end 203a of the driving gear 203, a positioning post is disposed, and the positioning post and the positioning hole on the second conductive sheet 211 are disposed. Cooperate. When the drive gear 203 is engaged with the photosensitive drum 201, the contact claw 213 is in close contact with the inner wall of the photosensitive drum 201.

　　在驱动齿轮203上，还设置有从第一端203b的端面延伸至第二端203a的端面的容纳孔210。在容纳孔210内，设置有连接件212。该连接件212的一端与第一导电片207电连接，另一端与第二导电片211电连接。在本发明的实施例中，该连接件优选为弹簧，另外也可以采用轴销等。On the drive gear 203, 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. In the embodiment of the invention, the connecting member is preferably a spring, and a shaft pin or the like may also be employed.

　　将粉盒安装到打印机内时，打开打印机的仓盖，打印机内的驱动头202沿着感光鼓201的轴向收缩，以便于将感光鼓201放到正确的位置；之后关闭打印机仓盖，打印机内的驱动头202沿着感光鼓201的轴向伸出，并与感光鼓201的端部的驱动齿轮203配合，从而可驱动感光鼓201转动。导电柱205与第一导电片207的突出部207b接触，而第一导电片207通过连接件212与第二导电片211电连接，借此将打印机的驱动头202与感光鼓201电连接。When the toner cartridge is installed in the printer, 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.

　　由于本发明的驱动组件采用了两个导电片207、211，并采用连接件212将两者电连接，降低了生产成本和组装的复杂程度。第一导电片207设置突起部207b，第二导电片211设置触爪213，两者之间采用弹簧连接，保证了可靠的弹性电连接。Since 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.

　　以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

工业实用性Industrial applicability

本发明的感光鼓驱动组件及其驱动齿轮可以在工业上制造和使用。该驱动齿轮采用了两个导电片，并采用连接件将两者电连接，降低了生产成本和组装的复杂程度。因此，本发明具备工业实用性。 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.

Claims (16)

一种感光鼓的驱动组件，包括用于固定设置在所述感光鼓一端的驱动齿轮、以及与所述驱动齿轮电连接的驱动头，其特征在于，所述驱动齿轮包括： A driving assembly of a photosensitive drum, comprising: a driving gear fixedly disposed at one end of the photosensitive drum, and a driving head electrically connected to the driving gear, wherein the driving gear comprises: 　　用于与所述驱动头相连的第一端，所述第一端的端面上设置有用于与所述驱动头电连接的第一导电片；以及a first end connected to the driving head, the first end of the first end is provided with a first conductive sheet for electrically connecting with the driving head; 　　用于与所述感光鼓相连的第二端，所述第二端的端面上设置有用于与所述感光鼓电连接的第二导电片；a second end connected to the photosensitive drum, the second end of the second end is provided with a second conductive sheet for electrically connecting with the photosensitive drum; 　　所述驱动齿轮上设置有从所述第一端的端面延伸至所述第二端的端面的容纳孔，所述容纳孔内设置有连接件，所述连接件的一端与所述第一导电片电连接，另一端与所述第二导电片电连接。 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. 根据权利要求1所述的感光鼓的驱动组件，其特征在于，所述第一导电片包括平板部以及突起部，所述突起部高出于所述驱动齿轮的第一端的端面。A driving assembly for a photosensitive drum according to claim 1, wherein said first conductive sheet comprises a flat plate portion and a projection portion which is higher than an end surface of said first end of said drive gear. 根据权利要求2所述的感光鼓的驱动组件，其特征在于，所述驱动头的一端设置有凹部，所述凹部内设置有导电柱；所述驱动齿轮的第一端的端面上，设置有多个与所述凹部配合的固定柱，所述第一导电片的突起部位于所述多个固定柱之间。The driving assembly of the photosensitive drum according to claim 2, wherein one end of the driving head is provided with a concave portion, and the concave portion is provided with a conductive post; and the end surface of the first end of the driving gear is provided with a plurality of fixing posts that cooperate with the recesses, and protrusions of the first conductive sheets are located between the plurality of fixing posts. 根据权利要求3所述的感光鼓的驱动组件，其特征在于，所述驱动齿轮的第一端的端面上，设置有定位柱；所述第一导电片的平板部上设置有对应的定位孔，所述定位孔与所述定位柱配合。The driving assembly of the photosensitive drum according to claim 3, wherein a positioning post is disposed on an end surface of the first end of the driving gear; and a corresponding positioning hole is disposed on the flat portion of the first conductive sheet The positioning hole cooperates with the positioning post. 根据权利要求1所述的感光鼓的驱动组件，其特征在于，所述第二导电片包括薄板状主体，所述薄板状主体上设置有槽，从而形成用于与所述感光鼓的内壁电接触的触爪。A driving assembly for a photosensitive drum according to claim 1, wherein said second conductive sheet comprises a thin plate-shaped main body, and said thin plate-shaped main body is provided with a groove so as to be formed to be electrically connected to an inner wall of said photosensitive drum Contacting the claws. 根据权利要求5所述的感光鼓的驱动组件，其特征在于，所述触爪沿着所述感光鼓的径向延伸，并突出于所述薄板状主体的外周面。The driving assembly of the photosensitive drum according to claim 5, wherein the contact claw extends in a radial direction of the photosensitive drum and protrudes from an outer peripheral surface of the thin plate-shaped body. 根据权利要求1所述的感光鼓的驱动组件，其特征在于，所述连接件是弹簧或轴销。A driving assembly for a photosensitive drum according to claim 1, wherein said connecting member is a spring or a pin. 根据权利要求3所述的感光鼓的驱动组件，其特征在于，所述驱动头的导电柱与所述第一导电片的突起部电接触。A driving assembly for a photosensitive drum according to claim 3, wherein a conductive post of said driving head is in electrical contact with a projection of said first conductive sheet. 一种感光鼓的驱动齿轮，其特征在于，所述驱动齿轮包括： A driving gear of a photosensitive drum, characterized in that the driving gear comprises: 　　用于与一驱动头配合的第一端，所述第一端的端面上设置有用于与所述驱动头电连接的第一导电片；以及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; 　　用于与所述感光鼓相连的第二端，所述第二端的端面上设置有用于与所述感光鼓电连接的第二导电片；a second end connected to the photosensitive drum, the second end of the second end is provided with a second conductive sheet for electrically connecting with the photosensitive drum; 　　所述驱动齿轮上设置有从所述第一端的端面延伸至所述第二端的端面的容纳孔，所述容纳孔内设置有连接件，所述连接件的一端与所述第一导电片电连接，另一端与所述第二导电片电连接。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. 根据权利要求9所述的感光鼓的驱动齿轮，其特征在于，所述第一导电片包括平板部以及突起部，所述突起部高出于所述驱动齿轮的第一端的端面。A driving gear for a photosensitive drum according to claim 9, wherein said first conductive sheet comprises a flat plate portion and a projection portion which is higher than an end surface of said first end of said drive gear. 根据权利要求10所述的感光鼓的驱动齿轮，其特征在于，所述驱动头的一端设置有凹部，所述凹部内设置有导电柱；所述驱动齿轮的第一端的端面上，设置有多个与所述凹部配合的固定柱，所述第一导电片的所述突起部位于所述多个固定柱之间。The driving gear of the photosensitive drum according to claim 10, wherein one end of the driving head is provided with a concave portion, and the concave portion is provided with a conductive post; and the end surface of the first end of the driving gear is provided with a plurality of fixing posts that cooperate with the recesses, and the protrusions of the first conductive sheet are located between the plurality of fixing posts. 根据权利要求10或11所述的感光鼓的驱动齿轮，其特征在于，所述驱动齿轮的第一端的端面上，设置有定位柱；所述第一导电片的所述平板部上设置有对应的定位孔，所述定位孔与所述定位柱配合。The driving gear of the photosensitive drum according to claim 10 or 11, wherein a positioning post is provided on an end surface of the first end of the driving gear; and the flat portion of the first conductive sheet is provided with Corresponding positioning holes, the positioning holes cooperate with the positioning post. 根据权利要求9所述的感光鼓的驱动齿轮，其特征在于，所述第二导电片包括薄板状主体，所述薄板状主体上设置有槽，从而形成用于与所述感光鼓的内壁电接触的触爪。A driving gear for a photosensitive drum according to claim 9, wherein said second conductive sheet comprises a thin plate-shaped main body, and said thin plate-shaped main body is provided with a groove so as to be formed to be electrically connected to an inner wall of said photosensitive drum Contacting the claws. 根据权利要求13所述的感光鼓的驱动齿轮，其特征在于，所述触爪沿着所述感光鼓的径向延伸，并突出于所述薄板状主体的外周面。The drive gear of the photosensitive drum according to claim 13, wherein the contact claw extends in a radial direction of the photosensitive drum and protrudes from an outer peripheral surface of the thin plate-shaped body. 根据权利要求9所述的感光鼓的驱动齿轮，其特征在于，所述连接件是弹簧或轴销。A drive gear for a photosensitive drum according to claim 9, wherein said connecting member is a spring or a pin. 根据权利要求11所述的感光鼓的驱动齿轮，其特征在于，所述驱动头的所述导电柱与所述第一导电片的所述突起部电接触。A driving gear for a photosensitive drum according to claim 11, wherein said conductive post of said driving head is in electrical contact with said projection of said first conductive sheet.
PCT/CN2012/081006 2011-09-07 2012-09-05 Drive assembly of photosensitive drum and drive gear thereof Ceased WO2013034074A1 (en)

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Publication number Priority date Publication date Assignee Title
CN102314118B (en) * 2011-09-07 2015-01-21 珠海天威飞马打印耗材有限公司 Driving assembly of photosensitive drum
CN104049484B (en) * 2013-03-15 2017-08-11 纳思达股份有限公司 Driving component for photosensitive element, handle box and handle box install detection method
CN206162062U (en) * 2016-10-25 2017-05-10 珠海市鑫诚科技有限公司 Selenium drum roller mounting structure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001147618A (en) * 1999-11-18 2001-05-29 Canon Inc Image forming device
CN1359036A (en) * 2000-10-04 2002-07-17 佳能株式会社 Driving force transmitting assembly, electronic photographic photosensitive drum, treatment box and electronic photographic imaging equipment
CN1696839A (en) * 2004-05-11 2005-11-16 佳能株式会社 Electrophotographic photosensitive drum, process cartridge, and electrophotographic image forming apparatus
CN101241324A (en) * 2007-02-07 2008-08-13 京瓷美达株式会社 Sensitization drum unit and image forming apparatus equipped therewith
CN102314118A (en) * 2011-09-07 2012-01-11 珠海天威飞马打印耗材有限公司 Driving assembly of photosensitive drum

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 (en) * 1999-11-18 2001-05-29 Canon Inc Image forming device
CN1359036A (en) * 2000-10-04 2002-07-17 佳能株式会社 Driving force transmitting assembly, electronic photographic photosensitive drum, treatment box and electronic photographic imaging equipment
CN1696839A (en) * 2004-05-11 2005-11-16 佳能株式会社 Electrophotographic photosensitive drum, process cartridge, and electrophotographic image forming apparatus
CN101241324A (en) * 2007-02-07 2008-08-13 京瓷美达株式会社 Sensitization drum unit and image forming apparatus equipped therewith
CN102314118A (en) * 2011-09-07 2012-01-11 珠海天威飞马打印耗材有限公司 Driving assembly of photosensitive drum

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