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A driving assembly for a process cartridge, a photosensitive drum unit, a process cartridge and an image forming apparatus

A technology for driving components and processing boxes, which is applied to equipment for electric recording technology using charge patterns, electric recording technology for applying charge patterns, optics, etc., and can solve problems such as inability to ensure power transmission to the processing box

Active Publication Date: 2020-01-10
NINESTAR CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a drive assembly for a process box to solve the technical problem that the existing drive assembly for a process box cannot ensure stable transmission of power from an image forming device to a process box

Method used

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  • A driving assembly for a process cartridge, a photosensitive drum unit, a process cartridge and an image forming apparatus
  • A driving assembly for a process cartridge, a photosensitive drum unit, a process cartridge and an image forming apparatus
  • A driving assembly for a process cartridge, a photosensitive drum unit, a process cartridge and an image forming apparatus

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Embodiment Construction

[0053] In order to make those skilled in the art more easily and clearly understand the technical solutions involved in the present invention, the following combination Figure 3 to Figure 15 The specific embodiment of the method will be described.

[0054] image 3 It is the main embodiment of the present invention. image 3 Among them, 1 is the process cartridge used in the embodiment of the present invention, and the process cartridge 1 includes a developing unit 12 and a cleaning unit 11, in which there are at least a developer, a charging element, a developing element and a photosensitive element. After process box 1 is installed in the image forming device (not shown in the figure), drive the rotary member in the process box to rotate by the image forming device, as through the power transmission part 21 in the image forming device and be arranged in The rotation force driving assembly 13 is engaged, and when the image forming device is started, the power transmission ...

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PUM

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Abstract

The invention relates to a driving component used for a processing box, a photosensitive drum unit of the driving component, the processing box thereof and image formation equipment containing the processing box. According to the invention, a rotary force driving component used for the processing box is arranged at one end of a photosensitive element, the rotary force driving component comprises an engaging part, an adjusting mechanism, and an intermediate connection part; the engaging part is used for receiving external driving force; the adjusting mechanism makes the engaging part to have displacement amount on a vertical direction by relating to the processing box, so that the offset amount is provided between the axial direction of the engaging part and the axis of the photosensitive element; the intermediate connection part is characterized in that torque is transmitted between the engaging part and a photosensitive element wheel hub, and at least a part of the connection part is arranged as a flexible part; and the flexible part is a flexible shaft. According to the invention, power can be transmitted to the processing box from the image formation equipment in a stable mode.

Description

technical field [0001] 本发明涉及一种处理盒用驱动组件,以及包括该驱动组件的感光鼓单元,一种处理盒及包含该处理盒的图像形成设备。 Background technique [0002] 激光打印技术凭借着打印成本的优势,非常受用户的青睐。现有技术中的激光打印机,属于图像形成装置中的一种。其内安装有可拆卸的处理盒,处理盒上设置有旋转元件,这些旋转元件至少包括显影元件、感光元件、充电元件中的一种,这些旋转元件作为处理盒的必要组成部分,在安装至激光打印机之后,能被激光打印机内的驱动机构施加的旋转力直接或者间接的驱动。 [0003] Such as figure 1 、图2所示,现有旋转元件与激光打印机内驱动机构的一种配合方式是:图像形成装置2内驱动机构上设置有一个动力传递部件21(具有轴线L3),处理盒内的旋转元件101(具有轴线L1)端部设置有一个轮毂102以及一个耦合部件100(具有轴线L2),轮毂102与旋转元件101紧固链接,所述轮毂102的轴线与所述旋转元件101的轴线同轴,轮毂102的端部与耦合部件100通过与耦合部件100端部的一个万向球连接;当打开激光打印机的门盖25,将处理盒安装至激光打印机2的处理盒安装部24时,耦合部件100沿着导轨23会有一个向前倾斜的过程(图2(b)所示),这样可以与动力传递部件21啮合,当处理盒安装至预定的位置时,耦合部件100与动力传递部件21同轴地啮合(图2(a)所示),这样耦合部件100可以向旋转部件101传递动力;取出处理盒时,动力传递部件21与耦合部件100发生相对倾斜会出现图2(b)所示的倾斜状态,这样就可以把处理盒从图像形成装置内取出。 [0004] 发明人在实现本发明的过程中发现,上述啮合机构存在以下不足:耦合部件100不能很好地按照预定的轨迹,与驱动机构上的突起24啮合,即耦合部件23的啮合爪不能很好地与突起24上的传递销啮合,这样会影响处理盒的正常安装。另外,万向球的连接方式,不能很好地保证旋转部件在旋转的过程中,其轴心很好地与驱动部件的轴心同轴,容易影响打印品质。 Contents of the invention [0005] 本发明提供一种处理盒用驱动组件,以解决现有处理盒用驱动组件不能够保证将动力稳定地从图像形成装置内传递至处理盒的技...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G21/18G03G15/00
Inventor 罗琴
Owner NINESTAR CORP