WO2013139224A1 - 处理盒及其感光鼓安装方法和更换方法 - Google Patents

处理盒及其感光鼓安装方法和更换方法 Download PDF

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Publication number
WO2013139224A1
WO2013139224A1 PCT/CN2013/072591 CN2013072591W WO2013139224A1 WO 2013139224 A1 WO2013139224 A1 WO 2013139224A1 CN 2013072591 W CN2013072591 W CN 2013072591W WO 2013139224 A1 WO2013139224 A1 WO 2013139224A1
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Prior art keywords
grounding
end cover
driving
photosensitive drum
hole
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PCT/CN2013/072591
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English (en)
French (fr)
Inventor
周宏辉
邱聪雨
谭武刚
杨晓锋
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珠海天威飞马打印耗材有限公司
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Publication of WO2013139224A1 publication Critical patent/WO2013139224A1/zh

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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
    • G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
    • G03G21/181—Manufacturing or assembling, recycling, reuse, transportation, packaging or storage

Definitions

  • the present invention relates to a process cartridge applied to an image forming apparatus, and further relates to a photosensitive drum mounting method and a photosensitive drum replacing method of such a process cartridge.
  • the present application claims priority to Chinese Patent Application No. 201210073781.8, entitled “Processing Cartridge and Photosensitive Drum Mounting Method and Replacement Method” thereof, filed on March 19, 2012, the entire contents of which are incorporated herein by reference. In this application.
  • An electrophotographic image forming apparatus such as a laser printer is an apparatus that forms an image on an image forming medium such as paper by a process of charging, exposing, developing, transferring, fixing, and cleaning, using an electrophotographic principle.
  • a process cartridge including a powder bin and a waste toner bin is usually detachably mounted in the image forming apparatus to complete the above process.
  • the surface of the photosensitive member such as the photosensitive drum is uniformly charged with a predetermined charge by means of a charging device such as a corona discharge method or a charging roller; in the exposure process, the surface of the photosensitive member which has been charged with a uniform predetermined charge is selected.
  • a developing agent such as a toner for forming a visible image is sent to an electrostatic latent image area of the surface of the photosensitive member by a force such as an electric field force by a developing device such as a developing roller, so that the above electrostatic latent image Visualization is obtained;
  • the developer on the electrostatic latent image on the surface of the photosensitive member is transferred to an image forming medium such as paper by a transfer device such as a transfer roller;
  • the fixing process the image is transferred to the image by the fixing device
  • the developer on the medium is strong on the image forming medium.
  • the cleaning device such as a cleaning blade to prevent the next imaging cycle from being
  • a process cartridge generally includes a cartridge frame and a photosensitive drum and a developing roller rotatably mounted on the cartridge frame, the photosensitive drum having a driving end and a grounding end, the driving end being provided for use in the image forming apparatus
  • the driving gear matched with the driving mechanism receives the rotational driving force to rotate the photosensitive drum, and the grounding end is provided with a conductive piece and a flange with a center hole.
  • the box frame is provided with a driving end cover at one end near the driving end, and a ground end cover is provided at an end close to the ground end.
  • a first object of the present invention is to provide a process cartridge that is easy to assemble and disassemble.
  • a second object of the present invention is to provide a more simple method of mounting a photosensitive drum.
  • a third object of the present invention is to provide a more simple method of replacing a photosensitive drum.
  • a process cartridge comprising: a cartridge frame and a photosensitive drum rotatably mounted on the cartridge frame, the photosensitive drum having a driving end and a a grounding end at which a driving gear for receiving a rotational driving force to rotate the photosensitive drum is provided, and a conductive piece and a flange having a center hole are provided at the ground end;
  • the cartridge frame is adjacent to the driving One end of the end is provided with a driving end cover, and one end near the ground end is provided with a grounding end cover; the driving end is supported on an end wall of the box frame adjacent to the driving end, and the grounding end is supported on the grounding end cover on.
  • the cartridge frame comprises a powder bin frame and a waste toner box frame.
  • the waste toner box frame is provided with a positioning hole through which the drive gear passes and positions the end wall adjacent to the driving end, the positioning hole has a positioning flange supporting the driving gear;
  • the driving The end cover is provided with a through hole corresponding to the positioning hole to expose the driving force receiving portion of the driving gear;
  • the grounding end cover is formed with a connecting hole corresponding to the central hole, A grounding pin passes through the connecting hole and the center hole and is in contact with the conductive sheet, and the grounding end is supported on the connecting hole by the grounding pin.
  • the drive end cap and the ground end cap are formed as a detachable connection with the cassette frame.
  • the drive end cover and the ground end cover are respectively coupled to the cassette frame by screws.
  • a photosensitive drum mounting method for designing a process cartridge including a cartridge frame and a photosensitive drum rotatably mounted on the cartridge frame, the photosensitive
  • the drum has a driving end and a grounding end, and a driving gear for receiving a rotational driving force to rotate the photosensitive drum is disposed at the driving end, and a conductive piece and a flange having a center hole are disposed at the ground end;
  • the cartridge frame is provided with a driving end cover at one end near the driving end, and a grounding end cap is disposed at an end close to the grounding end;
  • the photoconductor drum mounting method comprises the following steps:
  • the drive end cap and the ground end cap are connectable to the cartridge frame by screws.
  • the present invention adopts the following technical solution: a method of replacing a photosensitive drum for designing a process cartridge, the process cartridge including a cartridge frame and a photosensitive drum rotatably mounted on the cartridge frame, the photosensitive
  • the drum has a driving end and a grounding end, and a driving gear for receiving a rotational driving force to rotate the photosensitive drum is disposed at the driving end, and a conductive piece and a flange having a center hole are disposed at the ground end;
  • a drive end cover is disposed at an end of the box frame near the driving end, and a ground end cover is disposed at an end adjacent to the ground end, and the driving end cover and the ground end cover are respectively connected to the box frame by screws;
  • a grounding end cover is formed with a connecting hole corresponding to the central hole, a grounding pin passes through the connecting hole and the central hole and is in contact with the conductive sheet; and the method for replacing the photosensitive drum comprises the following step:
  • the grounding end of the photosensitive drum realizes the positioning and grounding of the photosensitive drum through a grounding pin at the same time, which simplifies the structure and enhances the structural stability and the reliability of electrical contact.
  • Figure 1 is a perspective view showing a drive end side of a process cartridge of the present invention.
  • Fig. 2 is a perspective view showing the ground end side of the process cartridge shown in Fig. 1.
  • Figure 3 is a perspective view of the process cartridge of Figure 1 after the drive end cap is hidden.
  • Fig. 4 is a schematic view showing the internal structure of the process cartridge shown in Fig. 3.
  • Figure 5 is an exploded perspective view of the process cartridge shown in Figure 1.
  • Figure 6 is a schematic view showing the assembly of the photosensitive drum of the process cartridge shown in Figure 1.
  • Figure 7 is another perspective view of Figure 6.
  • a process cartridge 10 provided by the present invention is shown in FIGS. 1 to 5, and the process cartridge 10 includes a cartridge frame 1, a drive end cover 3, a ground end cover 4, and a photosensitive member rotatably mounted on the cartridge frame 1.
  • the drum 2 and the developing roller 5 and the like, the cartridge frame 1 is composed of a powder silo frame 6 and a waste toner box frame 7.
  • the photosensitive drum 2 has a driving end 21 and a grounding end 22, wherein a driving gear 23 is provided at the driving end 21, and the driving gear 23 can cooperate with a driving mechanism in the image forming apparatus to receive the rotational driving force of the driving mechanism.
  • the photosensitive drum 2 is rotated; the photosensitive drum 2 is provided at its ground end 22 with a flange 24 having a center hole 241, and a conductive sheet which is electrically connected to the surface of the photosensitive drum 2 is provided inside the flange 24.
  • the driving end cover 3 is disposed at one end of the box frame 1 near the driving end 21, and the grounding end cover 4 is disposed at one end of the box frame 1 near the ground end 22.
  • the driving end cover 3 and the grounding end cover 4 and the box frame can be separated.
  • the connection is made, for example, by screws or the like.
  • the waste toner box frame 7 has a drive end wall 11 at one end close to the drive end 21, and the drive end wall 11 is provided with a positioning hole 12 through which the drive gear 23 passes and which is positioned, and the outer side of the positioning hole 12 has a support The positioning flange 13 of the drive gear 23.
  • the driving end cover 3 is provided with a through hole 31 corresponding to the positioning hole 12 to expose the driving force receiving portion 231 of the driving gear 23.
  • the grounding end cover 4 is formed with a connecting hole 41 corresponding to the central hole 241 of the flange 24, and a grounding pin 8 passes through the connecting hole 41 and the central hole 241 and is in contact with the conductive sheet inside the grounding end 22, The grounding end 22 is supported on the connecting hole 41 by the grounding pin 8.
  • the method of mounting the photosensitive drum 2 includes the following steps:
  • the driving gear 23 at one end of the photosensitive drum 2 is mounted in the positioning hole 12 on the driving end wall 11 of the waste toner box frame 7, and the other end naturally rests on the surface of the developing roller 5;
  • the drive end cover 3 is connected to the cartridge frame 1 by screws or the like, and the driving force receiving portion 231 of the drive gear 23 is exposed outward from the through hole 31 on the drive end cover 3;
  • the grounding pin 8 is inserted into the center hole 241 of the flange 24 from the outside to the inside through the connecting hole 41 provided on the grounding end cover 4, so that the grounding pin 8 supports the grounding end 22 on the connecting hole 41, and the grounding pin 8 is grounded. It is in contact with the conductive sheet inside the ground terminal 22.
  • the method of replacing the photosensitive drum 2 includes the following steps:
  • the drive roller 23 of the new photosensitive drum is mounted in the positioning hole 12, and the other end naturally rests on the surface of the developing roller 5;
  • the drive end cover 3 is connected to the cartridge frame 1 by screws or the like, and the driving force receiving portion 231 of the drive gear 23 is exposed outward from the through hole 31 on the drive end cover 3;
  • the grounding pin 8 is inserted into the center hole 241 of the flange 24 from the outside to the inside through the connecting hole 41 provided on the grounding end cover 4, so that the grounding pin 8 supports the grounding end 22 on the connecting hole 41, and the grounding pin 8 is grounded. It is in contact with the conductive sheet inside the ground terminal 22.
  • the process cartridge of the present invention supports the driving end of the photosensitive drum on the end wall of the cartridge frame near the driving end, and the grounding end is supported on the grounding end cap, thereby making the photosensitive drum installation and replacement easier.
  • the driving end of the photosensitive drum is double-positioned, the position of the photosensitive drum driving gear is more accurately installed, and the transmission is more stable when receiving the rotational driving force of the photosensitive drum; the grounding end of the photosensitive drum simultaneously realizes the positioning and grounding of the photosensitive drum through a grounding pin, simplifying the structure Increases structural stability and reliability of electrical contact.
  • the process cartridge of the present invention and its photosensitive drum mounting method and replacement method can be industrially manufactured or used, and have industrial applicability.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)

Abstract

本发明公开了一种处理盒及其感光鼓安装方法和更换方法，该处理盒（10）包括盒框架（1）和可旋转地安装在该盒框架（1）上的感光鼓（2），所述感光鼓（2）具有驱动端（21）和接地端（22），在驱动端（21）设有驱动齿轮（23），在接地端（22）设有导电片以及带中心孔（241）的法兰（24）；盒框架（1）在靠近驱动端（21）的一端设有驱动端盖（3），在靠近接地端（22）的一端设有接地端盖（4）；所述驱动端（21）支撑在盒框架（1）靠近该驱动端（21）的端壁（11）上，接地端（22）支撑在所述接地端盖（4）上。

Description

处理盒及其感光鼓安装方法和更换方法 技术领域
本发明涉及一种应用于成像设备中的处理盒，此外还涉及这种处理盒的感光鼓安装方法和感光鼓更换方法。本申请要求于2012年3月19日提交中国专利局、申请号为201210073781.8、名称为“处理盒及其感光鼓安装方法和更换方法”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。
 背景技术
电子照相式的成像设备如激光打印机，是一种利用电子照相原理，至少经过充电、暴光、显影、转印、定影、清洁的过程，在图像形成介质如纸张上形成图像的设备。成像设备中通常可拆卸地安装有包含粉仓和废粉仓的处理盒，以完成上述过程。
　　在充电过程，通过充电装置，利用如电晕放电方式或者充电辊对光敏元件如感光鼓的表面均匀的充上预定的电荷；在暴光过程，对已充上均匀预定电荷的光敏元件表面进行选择性的暴光，由于光敏元件的光敏特性，被暴光的区域的电荷将被接地消去，这样，在暴光后光敏元件表面形成一对应于所欲形成图像的由电荷的分布所表征的静电潜像；在显影过程，通过显影装置如显影辊，把用于形成可视图像的显影剂如碳粉，配合作用力如电场力的作用送到光敏元件的表面的静电潜像区，使得上述的静电潜像获得可视化；在转印过程，通过转印装置，如转印辊把光敏元件表面的静电潜像上的显影剂转移到图像形成介质如纸张上；在定影过程，通过定影装置把转移到图像介质上的显影剂牢固于图像形成介质上。在清洁过程，通过清洁装置如清洁刮刀，将光敏元件表面残留的显影剂刮掉，以免进入下一个成像周期，造成打印缺陷。
　　现有技术中，处理盒通常包括盒框架和可旋转地安装在该盒框架上的感光鼓和显影辊，感光鼓具有一驱动端和一接地端，该驱动端设有用于与成像设备内的驱动机构相配合的驱动齿轮，以接收旋转驱动力而使感光鼓旋转的，在接地端则设有导电片以及带中心孔的法兰。所述盒框架在靠近驱动端的一端设有驱动端盖，在靠近接地端的一端设有接地端盖。
 技术问题
本发明的第一目的在于提供一种易于拆装的处理盒。
　　本发明的第二目的在于提供一种更为简易的感光鼓安装方法。
　　本发明的第三目的在于提供一种更为简易的感光鼓更换方法。
 技术解决方案
为实现上述第一目的，本发明采用了以下的技术方案：设计一种处理盒，包括：盒框架和可旋转地安装在该盒框架上的感光鼓，所述感光鼓具有一驱动端和一接地端，在所述驱动端设有用于接收旋转驱动力而使感光鼓旋转的驱动齿轮，在所述接地端设有导电片以及带中心孔的法兰；所述盒框架在靠近所述驱动端的一端设有驱动端盖，在靠近所述接地端的一端设有接地端盖；所述驱动端支撑在所述盒框架靠近该驱动端的端壁上，所述接地端支撑在所述接地端盖上。
一个优选的方案是，所述盒框架包括粉仓框架和废粉仓框架。所述废粉仓框架在靠近所述驱动端的端壁上设有可供所述驱动齿轮穿过并将其定位的定位孔，该定位孔具有支承所述驱动齿轮的定位凸缘；所述驱动端盖上设有一位置与所述定位孔相对应的通孔，以露出所述驱动齿轮的驱动力接受部；所述接地端盖上形成有一位置与所述中心孔相对应的连接孔，一接地销钉穿过所述连接孔和中心孔并与所述导电片接触，所述接地端通过该接地销钉支撑在所述连接孔上。
较好地，所述驱动端盖和所述接地端盖与所述盒框架之间形成为可分离的连接。例如，所述驱动端盖和所述接地端盖分别通过螺钉与所述盒框架连接。
　　为实现上述第二目的，本发明采用了以下的技术方案：设计一种处理盒的感光鼓安装方法，该处理盒包括盒框架和可旋转地安装在该盒框架上的感光鼓，所述感光鼓具有一驱动端和一接地端，在所述驱动端设有用于接收旋转驱动力而使感光鼓旋转的驱动齿轮，在所述接地端设有导电片以及带中心孔的法兰；所述盒框架在靠近所述驱动端的一端设有驱动端盖，在靠近所述接地端的一端设有接地端盖；所述感光鼓安装方法包括以下步骤：
　　将所述驱动齿轮安装到所述定位孔中；
　　将所述驱动端盖连接至所述盒框架，使所述驱动齿轮的驱动力接受部从所述驱动端盖上的通孔向外暴露；
　　将所述接地端盖连接至所述盒框架；
　　将一接地销钉由外到内通过设在所述接地端盖上的连接孔插入所述法兰的中心孔中，使所述接地销钉将所述接地端支撑在所述连接孔上，并使所述接地销钉与所述导电片接触。
　　较好地，可通过螺钉将所述驱动端盖和所述接地端盖连接至所述盒框架。
　　为实现上述第三目的，本发明采用了以下的技术方案：设计一种处理盒的感光鼓更换方法，该处理盒包括盒框架和可旋转地安装在该盒框架上的感光鼓，所述感光鼓具有一驱动端和一接地端，在所述驱动端设有用于接收旋转驱动力而使感光鼓旋转的驱动齿轮，在所述接地端设有导电片以及带中心孔的法兰；所述盒框架在靠近所述驱动端的一端设有驱动端盖，在靠近所述接地端的一端设有接地端盖，所述驱动端盖和接地端盖分别通过螺钉与所述盒框架相连接；所述接地端盖上形成有一位置与所述中心孔相对应的连接孔，一接地销钉穿过所述连接孔和中心孔并与所述导电片接触；其特征在于，所述感光鼓更换方法包括以下步骤：
移除所述驱动端盖和接地端盖上的螺钉；
移除安装在所述接地端盖和法兰之间的所述接地销钉，使之与所述法兰松开；
拆除所述接地端盖；
拆除所述驱动端盖；
使所述驱动齿轮从支撑在所述定位孔中脱离，并将其取出；
将新的感光鼓的驱动齿轮安装到所述定位孔中；
将所述驱动端盖连接至所述盒框架，使所述驱动齿轮从所述通孔向外暴露；
将所述接地端盖连接至所述盒框架；
将一接地销钉由外到内通过设在所述接地端盖上的连接孔插入所述法兰的中心孔中，使所述接地销钉将所述接地端支撑在所述连接孔上，并使所述接地销钉与所述导电片接触。
 有益效果
本发明的有益效果在于：
　　1.使感光鼓安装和更换更为简易。
　　2.使感光鼓的驱动端获得双重定位，使感光鼓驱动齿轮的位置安装更精确，接受感光鼓旋转驱动力时传动更稳定。
　　3.感光鼓接地端通过一接地销钉同时实现感光鼓的定位和接地，简化了结构，增强了结构稳定性和电接触的可靠性。
 附图说明
图1是本发明的一种处理盒的驱动端侧的立体图。
　　图2是图1所示处理盒的接地端侧的立体图。
　　图3是图1所示处理盒在隐藏了驱动端盖后的立体图。
　　图4是图3所示处理盒的内部结构示意图。
　　图5是图1所示处理盒的零件分解图。
　　图6是图1所示处理盒的感光鼓装配示意图。
　　图7是图6的另一角度视图。
 本发明的实施方式
本发明提供的一种处理盒10如图1至图5所示，该处理盒10包括了盒框架1、驱动端盖3、接地端盖4以及可旋转地安装在该盒框架1上的感光鼓2和显影辊5等，盒框架1由粉仓框架6和废粉仓框架7组成。
感光鼓2具有一驱动端21和一接地端22，其中，在驱动端21设有驱动齿轮23，该驱动齿轮23可与成像设备内的驱动机构相配合，以接收该驱动机构的旋转驱动力而使感光鼓2旋转；该感光鼓2在其接地端22设有带中心孔241的法兰24，在法兰24的内侧设有与感光鼓2的表面形成电连接的导电片。
　　驱动端盖3设置在盒框架1靠近驱动端21的一端，接地端盖4设置在盒框架1靠近接地端22的一端，驱动端盖3和接地端盖4与盒框架之间可形成可分离的连接，例如通过螺钉等进行连接。废粉仓框架7在靠近驱动端21的一端具有驱动端壁11，该驱动端壁11上设有可供驱动齿轮23穿过并将其定位的定位孔12，该定位孔12的外侧具有支承该驱动齿轮23的定位凸缘13。所述驱动端盖3上设有一位置与该定位孔12相对应的通孔31，以露出驱动齿轮23的驱动力接受部231。所述接地端盖4上形成有一位置与法兰24的中心孔241相对应的连接孔41，一接地销钉8穿过该连接孔41和中心孔241并与接地端22内部的导电片接触，接地端22通过该接地销钉8支撑在连接孔41上。
　　同时参阅图6和图7，对于上述结构的处理盒10，其感光鼓2的安装方法包括以下步骤：
　　将感光鼓2一端的驱动齿轮23安装到废粉仓框架7的驱动端壁11上的定位孔12中，另一端自然搁置在显影辊5表面；
　　通过螺钉等将驱动端盖3连接至盒框架1，使驱动齿轮23的驱动力接受部231从驱动端盖3上的通孔31向外暴露；
　　通过螺钉等将接地端盖4连接至盒框架1；
　　将接地销钉8由外到内通过设在接地端盖4上的连接孔41插入法兰24的中心孔241中，使接地销钉8将接地端22支撑在连接孔41上，并使接地销钉8与接地端22内部的导电片接触。
　　对于上述结构的处理盒10，其感光鼓2的更换方法包括以下步骤：
移除驱动端盖3和接地端盖4上的螺钉；
移除安装在接地端盖4和法兰24之间的接地销钉8，使之与法兰24松开；
拆除接地端盖4；
拆除驱动端盖3；
使驱动齿轮23从支撑在定位孔12中脱离，并将其取出；
将新的感光鼓的驱动齿轮23安装到定位孔12中，另一端自然搁置在显影辊5表面；
通过螺钉等将驱动端盖3连接至盒框架1，使驱动齿轮23的驱动力接受部231从驱动端盖3上的通孔31向外暴露；
　　通过螺钉等将接地端盖4连接至盒框架1；
　　将接地销钉8由外到内通过设在接地端盖4上的连接孔41插入法兰24的中心孔241中，使接地销钉8将接地端22支撑在连接孔41上，并使接地销钉8与接地端22内部的导电片接触。
　　由上可见，本发明的处理盒通过使其感光鼓的驱动端支撑在盒框架靠近该驱动端的端壁上，接地端支撑在接地端盖上，从而使感光鼓安装和更换更为简易，使感光鼓的驱动端获得双重定位，感光鼓驱动齿轮的位置安装更精确，接受感光鼓旋转驱动力时传动更稳定；感光鼓接地端通过一接地销钉同时实现感光鼓的定位和接地，简化了结构，增强了结构稳定性和电接触的可靠性。
　　以上所述的仅是本发明的优选实施方式，应当指出，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。
 工业实用性
本发明的处理盒及其感光鼓安装方法和更换方法可以在工业上制造或使用，具备工业实用性。

Claims (8)

  1. 一种处理盒，包括：盒框架和可旋转地安装在该盒框架上的感光鼓，所述感光鼓具有一驱动端和一接地端，在所述驱动端设有用于接收旋转驱动力而使感光鼓旋转的驱动齿轮，在所述接地端设有导电片以及带中心孔的法兰；所述盒框架在靠近所述驱动端的一端设有驱动端盖，在靠近所述接地端的一端设有接地端盖；其特征在于：所述驱动端支撑在所述盒框架靠近该驱动端的端壁上，所述接地端支撑在所述接地端盖上。
  2. 根据权利要求1所述的处理盒，其特征在于：所述盒框架包括粉仓框架和废粉仓框架。
  3. 根据权利要求2所述的处理盒，其特征在于：
    　 所述废粉仓框架在靠近所述驱动端的端壁上设有可供所述驱动齿轮穿过并将其定位的定位孔，该定位孔具有支承所述驱动齿轮的定位凸缘；
    　　所述驱动端盖上设有一位置与所述定位孔相对应的通孔，以露出所述驱动齿轮的驱动力接受部；
    　　所述接地端盖上形成有一位置与所述中心孔相对应的连接孔，一接地销钉穿过所述连接孔和中心孔并与所述导电片接触，所述接地端通过该接地销钉支撑在所述连接孔上。
  4. 根据权利要求1至3任一项所述的处理盒，其特征在于：所述驱动端盖和所述接地端盖与所述盒框架之间形成为可分离的连接。
  5. 根据权利要求4所述的处理盒，其特征在于：所述驱动端盖和所述接地端盖分别通过螺钉与所述盒框架连接。
  6. 一种处理盒的感光鼓安装方法，该处理盒包括盒框架和可旋转地安装在该盒框架上的感光鼓，所述感光鼓具有一驱动端和一接地端，在所述驱动端设有用于接收旋转驱动力而使感光鼓旋转的驱动齿轮，在所述接地端设有导电片以及带中心孔的法兰；所述盒框架在靠近所述驱动端的一端设有驱动端盖，在靠近所述接地端的一端设有接地端盖；其特征在于，所述感光鼓安装方法包括以下步骤：
    　　将所述驱动齿轮安装到所述定位孔中；
    　　将所述驱动端盖连接至所述盒框架，使所述驱动齿轮的驱动力接受部从所述驱动端盖上的通孔向外暴露；
    　　将所述接地端盖连接至所述盒框架；
    　　将一接地销钉由外到内通过设在所述接地端盖上的连接孔插入所述法兰的中心孔中，使所述接地销钉将所述接地端支撑在所述连接孔上，并使所述接地销钉与所述导电片接触。
  7. 根据权利要求6所述的感光鼓安装方法，其特征在于：通过螺钉将所述驱动端盖和所述接地端盖连接至所述盒框架。
  8. 一种处理盒的感光鼓更换方法，该处理盒包括盒框架和可旋转地安装在该盒框架上的感光鼓，所述感光鼓具有一驱动端和一接地端，在所述驱动端设有用于接收旋转驱动力而使感光鼓旋转的驱动齿轮，在所述接地端设有导电片以及带中心孔的法兰；所述盒框架在靠近所述驱动端的一端设有驱动端盖，在靠近所述接地端的一端设有接地端盖，所述驱动端盖和接地端盖分别通过螺钉与所述盒框架相连接；所述接地端盖上形成有一位置与所述中心孔相对应的连接孔，所述接地端通过一接地销钉支撑在该连接孔上，该接地销钉穿过所述连接孔和中心孔并与所述导电片接触；其特征在于，所述感光鼓更换方法包括以下步骤：
    移除所述驱动端盖和接地端盖上的螺钉；
    移除安装在所述接地端盖和法兰之间的所述接地销钉，使之与所述法兰松开；
    拆除所述接地端盖；
    拆除所述驱动端盖；
    使所述驱动齿轮从支撑在所述定位孔中脱离，并将其取出；
    将新的感光鼓的驱动齿轮安装到所述定位孔中；
    将所述驱动端盖连接至所述盒框架，使所述驱动齿轮从所述通孔向外暴露；
    将所述接地端盖连接至所述盒框架；
    将一接地销钉由外到内通过设在所述接地端盖上的连接孔插入所述法兰的中心孔中，使所述接地销钉将所述接地端支撑在所述连接孔上，并使所述接地销钉与所述导电片接触。
PCT/CN2013/072591 2012-03-19 2013-03-14 处理盒及其感光鼓安装方法和更换方法 WO2013139224A1 (zh)

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CN103345137B (zh) * 2013-07-02 2015-11-18 珠海天威飞马打印耗材有限公司 激光打印机用处理盒
CN107065485A (zh) * 2016-12-31 2017-08-18 上海宜达胜临港打印耗材有限公司 一种打印机硒鼓再制造的方法
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