WO2019085997A1 - Processing cartridge - Google Patents

Processing cartridge Download PDF

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Publication number
WO2019085997A1
WO2019085997A1 PCT/CN2018/113699 CN2018113699W WO2019085997A1 WO 2019085997 A1 WO2019085997 A1 WO 2019085997A1 CN 2018113699 W CN2018113699 W CN 2018113699W WO 2019085997 A1 WO2019085997 A1 WO 2019085997A1
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WO
WIPO (PCT)
Prior art keywords
assembly
developing
photosensitive drum
gear
driving
Prior art date
Application number
PCT/CN2018/113699
Other languages
French (fr)
Chinese (zh)
Inventor
杨晓锋
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 WO2019085997A1 publication Critical patent/WO2019085997A1/en

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Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18Mechanical 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

Definitions

  • the present invention relates to the field of printing consumables, and more particularly to a process cartridge.
  • the invention is based on the filing date 2017 year 11 month 06 Day, application number is CN 201711076861.8
  • the Chinese invention patent application the contents of which are incorporated herein by reference.
  • An electrophotographic image forming apparatus such as a laser printer usually has a developing cartridge, and the developing cartridge can be detached from the printer.
  • the existing developing cartridges mainly have the following types: one is a one-piece cartridge composed of a photosensitive drum and a developing device, a charging device, and a cleaning device, and the other is a separate body in which the photosensitive drum and the charging device are assembled together with the developing assembly. box.
  • a developing cartridge including a photosensitive member of a photosensitive drum, and a developing assembly including a developing roller that stores toner, and the photosensitive drum assembly and the developing assembly are separately separated.
  • One end of the photosensitive drum on the photosensitive drum assembly is provided with a driving head that receives the first rotational driving force, and the gear set position on the developing assembly is also provided with a second universal head driving structure capable of receiving the rotational driving force, and the second universal driving is provided.
  • the force receiving head needs to be provided with a torsion spring and a limit lever member to define the position of the receiving head so as to facilitate the cooperation with the printer driving head.
  • the powder cartridge is independently detachable, the photosensitive drum and the developing assembly are assembled, the photosensitive drum has a first driving head, the developing assembly has a second universal driving head, and the second half is set.
  • a torsion spring and a limit lever member are required to define the position of the receiving head, so that it is convenient to cooperate with the printer driving head, and the mounting parts are more and the structure is complicated.
  • the machine is provided with a rebound mechanism.
  • the machine rebound mechanism drives the developing assembly to move back a certain distance to separate the developing roller from the photosensitive drum.
  • the second universal head is separated from the second drive head of the printer, and such a structure is complicated.
  • the present invention provides a process cartridge including a developing assembly and a photosensitive drum assembly, the photosensitive drum assembly including a photosensitive drum frame and a photosensitive drum rotatably supported in the photosensitive drum frame, the photosensitive drum being disposed at the end a photosensitive drum driving assembly for receiving a first driving force;
  • the developing assembly includes a developing frame, a developing roller rotatably supported in the developing frame, and an end cover, and the developing frame is provided with a developing driving assembly, a transmission gear assembly, and a developing roller gear on the same side as the photosensitive drum driving assembly, and the end cover is disposed On the developing frame and on the outside of the transmission gear assembly;
  • the developing drive assembly includes a gear base for receiving a second driving force, and a driving force receiving member disposed on the gear base and coupled to the gear base, the gear base is coupled to the transmission gear assembly, and the developing roller gear It is disposed at the end of the developing roller, and the developing roller gear is coupled to the photosensitive drum driving assembly.
  • the developing roller gear is separated from the developing drive assembly.
  • the gear base comprises a seat body, and a gear is arranged circumferentially on the outer peripheral wall of the seat, the gear is used for connecting with the transmission gear assembly, the seat body is formed with a cylindrical receiving cavity concave along the axis, and the driving force receiving member
  • the elastic member, the driving portion, the outer end portion and the rod body portion are disposed, the driving portion is disposed in the receiving cavity, the outer end portion is disposed outside the receiving cavity, the rod body portion is connected between the driving portion and the outer end portion, and the elastic member is disposed in the receiving cavity The elastic member abuts between the seat body and the driving portion.
  • the driving of the developing roller is driven by the developing driving assembly, and the photosensitive drum is driven by the photosensitive drum driving assembly, and the two motors need a high degree of matching to match the rotation of the developing roller and the photosensitive drum, so
  • the developing roller gear is connected to the photosensitive drum driving assembly, and the driving drum and the developing roller are driven by the driving head of the photosensitive drum end to match the working speed, and the driving force received by the developing driving assembly of the developing unit is used to drive the stirring frame or Feed roller, these two parts do not need to be as high for speed matching.
  • the driving force receiving member using the telescopic structure greatly improves the stability of the connecting driving head, and also simplifies the complicated structure in the prior art.
  • Figure 1 It is a partial structural view of the first embodiment of the process cartridge of the present invention.
  • Figure 2 It is a schematic layout of the first embodiment of the process cartridge of the present invention.
  • Figure 3 It is a partial structural view of a second embodiment of the process cartridge of the present invention.
  • the process cartridge includes a developing assembly 2 And photosensitive drum 11 Component 1 Photosensitive drum 11 Component 1 Including a photosensitive drum frame, rotatably supported on the photosensitive drum 11 Photoconductor drum in the frame 11 And charging roller 14 Photosensitive drum 11 Photosensitive drum drive assembly, photoreceptor drum 11
  • the driving assembly is configured to receive the first driving force, the charging roller 14 The end is provided with gears 13 ,gear 13 For use with photosensitive drums 11
  • the driving assembly is connected.
  • the photosensitive drum driving assembly is a polygonal star-shaped projection, and after being connected to the recessed driving head of the printer, the transmission of the rotational force can be realized.
  • Developing unit 2 a developing frame including a developing frame rotatably supported in the developing frame twenty one And an end cap, the developing frame is provided with a developing drive assembly, a transmission gear assembly, and a developing roller gear on the same side as the photosensitive drum drive assembly twenty three , the developing drive assembly includes a gear carrier twenty four And driving force receiver 25 Driving force receiver 25 For receiving the second driving force, the driving force receiving member 25 Set in the gear seat twenty four Upper and gear seat twenty four Connection, driving force receiving member 25 The outer end portion can be connected to the driving head of the printer, and the driving force receiving member 25 Inner end of the gear holder twenty four Internal connection, gear seat twenty four Connected to the transmission gear assembly, the transmission gear assembly includes interconnected gears 26 And gear 27 , gear seat twenty four Peripheral gears and gears 26 Connection, gear 27 The end of the mixing frame is arranged to drive the rotation of the agitator, the transmission gear assembly is located on the left side of the developing drive assembly, and the developing roller gear twenty three Set on the developing roller twenty one End, developing roller
  • the gear base includes a seat body, and the gear base includes a seat body.
  • the outer peripheral wall of the seat body is circumferentially provided with gears, and the gear wheel is connected to the transmission gear assembly.
  • the seat body is formed with a cylindrical receiving cavity concave along the axis, and is driven.
  • the force receiving member comprises an elastic member, a driving portion, an outer end portion and a rod body portion.
  • the driving portion is disposed in the receiving cavity, the outer end portion is disposed outside the receiving cavity, and the rod body portion is connected between the driving portion and the outer end portion, and the elastic member is disposed In the accommodating chamber, the elastic member abuts between the seat body and the driving portion.
  • the outer end portion is two externally symmetrically disposed claws, and the claws are rotatable in the radial direction of the shaft portion.
  • the developing roller gears can be respectively connected to the photosensitive drum driving assembly and the developing roller driving assembly, and then synchronously driven first, which is also the object of the present invention. of.
  • the driving of the developing roller is driven by the developing driving assembly, and the photosensitive drum is driven by the photosensitive drum driving assembly, and the two motors need a high degree of matching to rotate the developing roller and the photosensitive drum.
  • the developing roller gear is connected to the photosensitive drum driving assembly, and the photosensitive drum and the developing roller are driven by the driving head of the photosensitive drum end to make the working speed thereof more matched, and the driving force received by the developing driving assembly of the developing unit is used for Drive the mixer or the powder feed roller.
  • the driving force receiving member using the telescopic structure greatly improves the stability of the connecting driving head, and also simplifies the complicated structure in the prior art.
  • the processing box of the invention is suitable for laser printer applications, and the product of the invention is used to connect the developing roller gear with the photosensitive drum driving assembly, and the photosensitive drum and the developing roller are driven by the driving head of the photosensitive drum end to make the working speed more match. .

Abstract

Provided is a processing cartridge, comprising a developing assembly (2) and a photosensitive drum assembly (1). The photosensitive drum assembly (1) comprises a photosensitive drum frame, and a photosensitive drum (11) rotatably supported inside the photosensitive drum frame, wherein the photosensitive drum (11) is provided with a photosensitive drum driving assembly at an end portion. The developing assembly (2) comprises a developing frame, a developing roller (21) rotatably supported inside the developing frame, and an end cover, wherein the developing frame is provided with a developing driving assembly, a transmission gear assembly and a developing roller gear (23) on the same side as the photosensitive drum driving assembly; the developing driving assembly comprises a gear seat (24) and a driving force receiving member (25); the driving force receiving member (25) is used for receiving a second driving force; the driving force receiving member (25) is arranged on the gear seat (24) and is connected to the gear seat (24); the gear seat (24) is connected to the transmission gear assembly; the developing roller gear (23) is arranged at an end portion of the developing roller (21); and the developing roller gear (23) is connected to the photosensitive drum (11) driving assembly. The photosensitive drum (11) and the developing roller (21) are driven by a driving head at an end portion of the photosensitive drum (11), such that the rotational speeds of the developing roller (21) and the photosensitive drum (11) further match each other.

Description

处理盒Processing box 技术领域Technical field
本发明涉及打印耗材领域,尤其涉及一种处理盒。本发明是基于申请日为The present invention relates to the field of printing consumables, and more particularly to a process cartridge. The invention is based on the filing date 20172017 year 1111 month 0606 日、申请号为Day, application number is CN 201711076861.8CN 201711076861.8 的中国发明专利申请,上述发明的内容引入本文作为参考。The Chinese invention patent application, the contents of which are incorporated herein by reference.
背景技术Background technique
电子照相成像设备如激光打印机内通常有一个显影盒,并且显影盒能从打印机内拆卸。目前现有的显影盒主要有以下几类:一类是感光鼓和显影装置、充电装置、及清洁装置组成的一体盒,一类是感光鼓和充电装置装配在一起和显影组件配合的分体盒。An electrophotographic image forming apparatus such as a laser printer usually has a developing cartridge, and the developing cartridge can be detached from the printer. At present, the existing developing cartridges mainly have the following types: one is a one-piece cartridge composed of a photosensitive drum and a developing device, a charging device, and a cleaning device, and the other is a separate body in which the photosensitive drum and the charging device are assembled together with the developing assembly. box.
目前有一款显影盒,包括感光鼓的感光组件、以及储存有碳粉的包含显影辊的显影组件、且感光鼓组件和显影组件是独立分开的。There is currently a developing cartridge including a photosensitive member of a photosensitive drum, and a developing assembly including a developing roller that stores toner, and the photosensitive drum assembly and the developing assembly are separately separated.
感光鼓组件上感光鼓一端设置有接受第一旋转驱动力的驱动头,且显影组件上齿轮组位置也设置有可以接受旋转驱动力的第二万向头驱动结构,设置的第二万向驱动力接受头都需要设置一个扭簧、限位拨杆件来限定接受头的位置,这样才方便其与打印机传动头配合。One end of the photosensitive drum on the photosensitive drum assembly is provided with a driving head that receives the first rotational driving force, and the gear set position on the developing assembly is also provided with a second universal head driving structure capable of receiving the rotational driving force, and the second universal driving is provided. The force receiving head needs to be provided with a torsion spring and a limit lever member to define the position of the receiving head so as to facilitate the cooperation with the printer driving head.
这样结构的显影盒在安装入打印机的时候,需要先单独安装感光鼓组件入打印机,然后再安装显影组件入打印机,两次安装,操作烦琐。When the developing cartridge of such a structure is installed in the printer, it is necessary to separately mount the photosensitive drum assembly into the printer, and then install the developing assembly into the printer, and install it twice, which is cumbersome to operate.
还有一款显影盒,粉仓是独立可拆卸的,感光鼓和显影组件是组装在一起的,其感光鼓有第一驱动头,显影组件上有第二万向驱动头,设置的第二万向驱动力接受头都需要设置一个扭簧、限位拨杆件来限定接受头的位置,这样才方便其与打印机传动头配合,安装零件较多,结构复杂。There is also a developing cartridge, the powder cartridge is independently detachable, the photosensitive drum and the developing assembly are assembled, the photosensitive drum has a first driving head, the developing assembly has a second universal driving head, and the second half is set. To the driving force receiving head, a torsion spring and a limit lever member are required to define the position of the receiving head, so that it is convenient to cooperate with the printer driving head, and the mounting parts are more and the structure is complicated.
而且,上面两种新显影盒,机器上设置有回弹机构,打印过程中,当没有打印信息输入的时候,机器回弹机构带动显影组件回退移动一定距离,使显影辊与感光鼓分开,第二万向头与打印机第二传动头分离,这样的结构较复杂。Moreover, in the above two new developing cartridges, the machine is provided with a rebound mechanism. During the printing process, when no printing information is input, the machine rebound mechanism drives the developing assembly to move back a certain distance to separate the developing roller from the photosensitive drum. The second universal head is separated from the second drive head of the printer, and such a structure is complicated.
技术问题technical problem
本发明的目的是提供一种工作稳定且速度匹配度高的处理盒。It is an object of the present invention to provide a process cartridge that is stable in operation and high in speed matching.
技术解决方案Technical solution
为了实现本发明的目的,本发明提供一种处理盒,包括显影组件和感光鼓组件,感光鼓组件包括感光鼓框架和可旋转地支撑在感光鼓框架内的感光鼓,感光鼓在端部设置有感光鼓驱动组件,感光鼓驱动组件用于接收第一驱动力;In order to achieve the object of the present invention, the present invention provides a process cartridge including a developing assembly and a photosensitive drum assembly, the photosensitive drum assembly including a photosensitive drum frame and a photosensitive drum rotatably supported in the photosensitive drum frame, the photosensitive drum being disposed at the end a photosensitive drum driving assembly for receiving a first driving force;
显影组件包括显影框架、可旋转地支撑在显影框架内的显影辊和端盖,显影框架在与感光鼓驱动组件的同一侧上设置有显影驱动组件、传动齿轮组件和显影辊齿轮,端盖设置显影框架上并位于传动齿轮组件的外侧;The developing assembly includes a developing frame, a developing roller rotatably supported in the developing frame, and an end cover, and the developing frame is provided with a developing driving assembly, a transmission gear assembly, and a developing roller gear on the same side as the photosensitive drum driving assembly, and the end cover is disposed On the developing frame and on the outside of the transmission gear assembly;
显影驱动组件包括齿轮座和驱动力接收件,驱动力接收件用于接收第二驱动力,驱动力接收件设置在齿轮座上并与齿轮座连接,齿轮座与传动齿轮组件连接,显影辊齿轮设置在显影辊的端部,显影辊齿轮与感光鼓驱动组件连接。The developing drive assembly includes a gear base for receiving a second driving force, and a driving force receiving member disposed on the gear base and coupled to the gear base, the gear base is coupled to the transmission gear assembly, and the developing roller gear It is disposed at the end of the developing roller, and the developing roller gear is coupled to the photosensitive drum driving assembly.
更进一步的方案是,显影辊齿轮与显影驱动组件分离。Still further, the developing roller gear is separated from the developing drive assembly.
更进一步的方案是,齿轮座包括座体,座体外周壁上沿周向设置有齿轮,齿轮用于与传动齿轮组件连接,座体形成有沿轴线内凹的筒状容纳腔,驱动力接收件包括弹性件、驱动部、外端部和杆体部,驱动部设置在容纳腔内,外端部设置在容纳腔外,杆体部连接在驱动部与外端部之间,弹性件设置在容纳腔内,弹性件抵接在座体和驱动部之间。A further solution is that the gear base comprises a seat body, and a gear is arranged circumferentially on the outer peripheral wall of the seat, the gear is used for connecting with the transmission gear assembly, the seat body is formed with a cylindrical receiving cavity concave along the axis, and the driving force receiving member The elastic member, the driving portion, the outer end portion and the rod body portion are disposed, the driving portion is disposed in the receiving cavity, the outer end portion is disposed outside the receiving cavity, the rod body portion is connected between the driving portion and the outer end portion, and the elastic member is disposed in the receiving cavity The elastic member abuts between the seat body and the driving portion.
有益效果Beneficial effect
现有设计中显影辊的驱动都是通过显影驱动组件带动的,而感光鼓是通过感光鼓驱动组件带动,两个电机需要高度地匹配度才能使显影辊和感光鼓的转动相互匹配,故将显影辊齿轮与感光鼓驱动组件连接,通过感光鼓端的驱动头带动感光鼓和显影辊,使其工作转速更为匹配,而位于显影单元的显影驱动组件接收到的驱动力用于驱动搅拌架或送粉辊,这两个部件对于速度匹配度则不需要那么高。另外,采用伸缩结构的驱动力接收件则大大提高连接驱动头的稳定性,同时也简化了现有技术中的复杂结构。In the prior design, the driving of the developing roller is driven by the developing driving assembly, and the photosensitive drum is driven by the photosensitive drum driving assembly, and the two motors need a high degree of matching to match the rotation of the developing roller and the photosensitive drum, so The developing roller gear is connected to the photosensitive drum driving assembly, and the driving drum and the developing roller are driven by the driving head of the photosensitive drum end to match the working speed, and the driving force received by the developing driving assembly of the developing unit is used to drive the stirring frame or Feed roller, these two parts do not need to be as high for speed matching. In addition, the driving force receiving member using the telescopic structure greatly improves the stability of the connecting driving head, and also simplifies the complicated structure in the prior art.
附图说明DRAWINGS
Figure 11 是本发明处理盒第一实施例的局部结构图。It is a partial structural view of the first embodiment of the process cartridge of the present invention.
Figure 22 是本发明处理盒第一实施例的布局示意图。It is a schematic layout of the first embodiment of the process cartridge of the present invention.
Figure 33 是本发明处理盒第二实施例的局部结构图。It is a partial structural view of a second embodiment of the process cartridge of the present invention.
以下结合附图及实施例对本发明作进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
本发明的实施方式Embodiments of the invention
处理盒第一实施例:Processing box first embodiment:
参照图Reference map 11 和图And map 22 ,处理盒包括显影组件, the process cartridge includes a developing assembly 22 和感光鼓And photosensitive drum 1111 组件Component 11 ,感光鼓Photosensitive drum 1111 组件Component 11 包括感光鼓框架、可旋转地支撑在感光鼓Including a photosensitive drum frame, rotatably supported on the photosensitive drum 1111 框架内的感光鼓Photoconductor drum in the frame 1111 和充电辊And charging roller 1414 ,感光鼓Photosensitive drum 1111 在端部设置有感光鼓驱动组件,感光鼓Photosensitive drum drive assembly, photoreceptor drum 1111 驱动组件用于接收第一驱动力,充电辊The driving assembly is configured to receive the first driving force, the charging roller 1414 的端部设置有齿轮The end is provided with gears 1313 ,齿轮,gear 1313 用于与感光鼓For use with photosensitive drums 1111 驱动组件连接,具体地,感光鼓驱动组件为多边星型的凸起,与打印机的凹陷的驱动头连接后,继而可实现旋转力的传动。The driving assembly is connected. Specifically, the photosensitive drum driving assembly is a polygonal star-shaped projection, and after being connected to the recessed driving head of the printer, the transmission of the rotational force can be realized.
显影组件Developing unit 22 包括显影框架、可旋转地支撑在显影框架内的显影辊a developing frame including a developing frame rotatably supported in the developing frame 21twenty one 和端盖,显影框架在与感光鼓驱动组件的同一侧上设置有显影驱动组件、传动齿轮组件和显影辊齿轮And an end cap, the developing frame is provided with a developing drive assembly, a transmission gear assembly, and a developing roller gear on the same side as the photosensitive drum drive assembly 23twenty three ,显影驱动组件包括齿轮座, the developing drive assembly includes a gear carrier 24twenty four 和驱动力接收件And driving force receiver 2525 ,驱动力接收件Driving force receiver 2525 用于接收第二驱动力,驱动力接收件For receiving the second driving force, the driving force receiving member 2525 设置在齿轮座Set in the gear seat 24twenty four 上并与齿轮座Upper and gear seat 24twenty four 连接,驱动力接收件Connection, driving force receiving member 2525 的外端部可与打印机的驱动头连接,驱动力接收件The outer end portion can be connected to the driving head of the printer, and the driving force receiving member 2525 的内端部可与齿轮座Inner end of the gear holder 24twenty four 的内部连接,齿轮座Internal connection, gear seat 24twenty four 与传动齿轮组件连接,传动齿轮组件包括相互连接的齿轮Connected to the transmission gear assembly, the transmission gear assembly includes interconnected gears 2626 和齿轮And gear 2727 ,齿轮座, gear seat 24twenty four 的外周齿轮与齿轮Peripheral gears and gears 2626 连接,齿轮Connection, gear 2727 设置在搅拌架的端部用于驱动搅拌架旋转,传动齿轮组件位于显影驱动组件的左侧,显影辊齿轮The end of the mixing frame is arranged to drive the rotation of the agitator, the transmission gear assembly is located on the left side of the developing drive assembly, and the developing roller gear 23twenty three 设置在显影辊Set on the developing roller 21twenty one 的端部,显影辊齿轮End, developing roller gear 23twenty three 位于显影驱动组件的右侧,显影辊齿轮Located on the right side of the developing drive unit, developing roller gear 23twenty three 与感光鼓驱动组件连接,且显影辊齿轮Connected to the drum drive unit and the developing roller gear 23twenty three 与显影辊齿轮分离,在本实施例中,显影辊Separated from the developing roller gear, in the present embodiment, the developing roller 21twenty one 被显影框架支撑,而不与显影辊齿轮Supported by the developing frame without the developing roller gear 23twenty three ,只与感光鼓驱动组件连接。而端盖是设置显影框架上并位于传动齿轮, only connected to the drum drive unit. The end cap is placed on the developing frame and located on the transmission gear 23twenty three 组件的外侧。The outside of the component.
处理盒第二实施例:Processing box second embodiment:
第二实施例对显影驱动组件进行了改进,参照图The second embodiment improves the developing drive assembly, with reference to the drawings. 33 ,显影驱动组件, developing drive assembly 33 包括齿轮座和驱动力接收件,齿轮座包括座体,座体外周壁上沿周向设置有齿轮,齿轮用于与传动齿轮组件连接,座体形成有沿轴线内凹的筒状容纳腔,驱动力接收件包括弹性件、驱动部、外端部和杆体部,驱动部设置在容纳腔内,外端部设置在容纳腔外,杆体部连接在驱动部与外端部之间,弹性件设置在容纳腔内,弹性件抵接在座体和驱动部之间。外端部为外部对称设置的两个凸爪,凸爪可绕杆体部的径向转动。The gear base includes a seat body, and the gear base includes a seat body. The outer peripheral wall of the seat body is circumferentially provided with gears, and the gear wheel is connected to the transmission gear assembly. The seat body is formed with a cylindrical receiving cavity concave along the axis, and is driven. The force receiving member comprises an elastic member, a driving portion, an outer end portion and a rod body portion. The driving portion is disposed in the receiving cavity, the outer end portion is disposed outside the receiving cavity, and the rod body portion is connected between the driving portion and the outer end portion, and the elastic member is disposed In the accommodating chamber, the elastic member abuts between the seat body and the driving portion. The outer end portion is two externally symmetrically disposed claws, and the claws are rotatable in the radial direction of the shaft portion.
上述实施例只是本发明的较佳实施例,在实际应用时,还可以将显影辊齿轮分别与感光鼓驱动组件、显影辊驱动组件连接,继而是先同步驱动,这也是可以实现本发明的目的的。The above embodiment is only a preferred embodiment of the present invention. In practical applications, the developing roller gears can be respectively connected to the photosensitive drum driving assembly and the developing roller driving assembly, and then synchronously driven first, which is also the object of the present invention. of.
由上可见,现有设计中显影辊的驱动都是通过显影驱动组件带动的,而感光鼓是通过感光鼓驱动组件带动,两个电机需要高度地匹配度才能使显影辊和感光鼓的转动相互匹配,故将显影辊齿轮与感光鼓驱动组件连接,通过感光鼓端的驱动头带动感光鼓和显影辊,使其工作转速更为匹配,而位于显影单元的显影驱动组件接收到的驱动力用于驱动搅拌架或送粉辊,这两个部件对于速度匹配度则不需要那么高。另外,采用伸缩结构的驱动力接收件则大大提高连接驱动头的稳定性,同时也简化了现有技术中的复杂结构。It can be seen from the above that in the prior design, the driving of the developing roller is driven by the developing driving assembly, and the photosensitive drum is driven by the photosensitive drum driving assembly, and the two motors need a high degree of matching to rotate the developing roller and the photosensitive drum. Matching, the developing roller gear is connected to the photosensitive drum driving assembly, and the photosensitive drum and the developing roller are driven by the driving head of the photosensitive drum end to make the working speed thereof more matched, and the driving force received by the developing driving assembly of the developing unit is used for Drive the mixer or the powder feed roller. These two components do not need to be as high for speed matching. In addition, the driving force receiving member using the telescopic structure greatly improves the stability of the connecting driving head, and also simplifies the complicated structure in the prior art.
工业应用性Industrial applicability
本发明的处理盒,适用于激光打印机应用场合,应用本发明的产品,将显影辊齿轮与感光鼓驱动组件连接,通过感光鼓端的驱动头带动感光鼓和显影辊,使其工作转速更为匹配。The processing box of the invention is suitable for laser printer applications, and the product of the invention is used to connect the developing roller gear with the photosensitive drum driving assembly, and the photosensitive drum and the developing roller are driven by the driving head of the photosensitive drum end to make the working speed more match. .

Claims (3)

  1. 处理盒,包括显影组件和感光鼓组件,其特征在于:The process cartridge includes a developing assembly and a photosensitive drum assembly, and is characterized by:
    所述感光鼓组件包括感光鼓框架和可旋转地支撑在所述感光鼓框架内的感光鼓,所述感光鼓在端部设置有感光鼓驱动组件,所述感光鼓驱动组件用于接收第一驱动力;The photosensitive drum assembly includes a photosensitive drum frame and a photosensitive drum rotatably supported in the photosensitive drum frame, the photosensitive drum being provided at the end with a photosensitive drum driving assembly for receiving the first Driving force
    所述显影组件包括显影框架、可旋转地支撑在所述显影框架内的显影辊和端盖,所述显影框架在与所述感光鼓驱动组件的同一侧上设置有显影驱动组件、传动齿轮组件和显影辊齿轮,所述端盖设置所述显影框架上并位于所述传动齿轮组件的外侧;The developing assembly includes a developing frame, a developing roller and an end cap rotatably supported in the developing frame, and the developing frame is provided with a developing driving assembly and a transmission gear assembly on the same side as the photosensitive drum driving assembly And a developing roller gear, the end cap being disposed on the developing frame and located outside the transmission gear assembly;
    所述显影驱动组件包括齿轮座和驱动力接收件,所述驱动力接收件用于接收第二驱动力,所述驱动力接收件设置在所述齿轮座上并与所述齿轮座连接,所述齿轮座与所述传动齿轮组件连接,所述显影辊齿轮设置在所述显影辊的端部,所述显影辊齿轮与所述感光鼓驱动组件连接。The developing drive assembly includes a gear base and a driving force receiving member, the driving force receiving member is configured to receive a second driving force, and the driving force receiving member is disposed on the gear base and connected to the gear base. The gear carrier is coupled to the transmission gear assembly, the developing roller gear is disposed at an end of the developing roller, and the developing roller gear is coupled to the photosensitive drum driving assembly.
  2. 根据权利要求1所述的处理盒,其特征在于:The process cartridge according to claim 1, wherein:
    所述显影辊齿轮与所述显影驱动组件分离。The developing roller gear is separated from the developing drive assembly.
  3. 根据权利要求1或2所述的处理盒,其特征在于:A process cartridge according to claim 1 or 2, wherein:
    所述齿轮座包括座体,所述座体外周壁上沿周向设置有齿轮,所述齿轮用于与所述传动齿轮组件连接,所述座体形成有沿轴线内凹的筒状容纳腔,所述驱动力接收件包括弹性件、驱动部、外端部和杆体部,所述驱动部设置在所述容纳腔内,所述外端部设置在所述容纳腔外,所述杆体部连接在所述驱动部与所述外端部之间,所述弹性件设置在所述容纳腔内,所述弹性件抵接在所述座体和所述驱动部之间。The gear base includes a seat body, and a gear is disposed circumferentially on the outer peripheral wall of the seat, the gear is used for connecting with the transmission gear assembly, and the seat body is formed with a cylindrical receiving cavity recessed along the axis. The driving force receiving member includes an elastic member, a driving portion, an outer end portion and a rod body portion, the driving portion is disposed in the receiving cavity, the outer end portion is disposed outside the receiving cavity, and the rod body portion is connected Between the driving portion and the outer end portion, the elastic member is disposed in the accommodating cavity, and the elastic member abuts between the seat body and the driving portion.
PCT/CN2018/113699 2017-11-06 2018-11-02 Processing cartridge WO2019085997A1 (en)

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CN107621770A (en) * 2017-11-06 2018-01-23 珠海天威飞马打印耗材有限公司 Handle box

Citations (5)

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Publication number Priority date Publication date Assignee Title
CN1920701A (en) * 2005-08-26 2007-02-28 三星电子株式会社 Process cartridge and image forming device having the same
CN202013484U (en) * 2010-11-26 2011-10-19 株式会社理光 Color toner box, processing box using color toner box, and image forming device using processing box
EP1054306B1 (en) * 1999-05-20 2014-01-08 Canon Kabushiki Kaisha Process cartridge and electrophotographic image forming apparatus
CN103885313A (en) * 2014-03-31 2014-06-25 珠海天威飞马打印耗材有限公司 Processing box
CN107621770A (en) * 2017-11-06 2018-01-23 珠海天威飞马打印耗材有限公司 Handle box

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1054306B1 (en) * 1999-05-20 2014-01-08 Canon Kabushiki Kaisha Process cartridge and electrophotographic image forming apparatus
CN1920701A (en) * 2005-08-26 2007-02-28 三星电子株式会社 Process cartridge and image forming device having the same
CN202013484U (en) * 2010-11-26 2011-10-19 株式会社理光 Color toner box, processing box using color toner box, and image forming device using processing box
CN103885313A (en) * 2014-03-31 2014-06-25 珠海天威飞马打印耗材有限公司 Processing box
CN107621770A (en) * 2017-11-06 2018-01-23 珠海天威飞马打印耗材有限公司 Handle box

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