CN106919032B - process box - Google Patents

process box Download PDF

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CN106919032B
CN106919032B CN201710326396.2A CN201710326396A CN106919032B CN 106919032 B CN106919032 B CN 106919032B CN 201710326396 A CN201710326396 A CN 201710326396A CN 106919032 B CN106919032 B CN 106919032B
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axis
side cover
claw
positioning frame
transmission
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CN106919032A (en
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Zhuhai Nastar Information Technology Co ltd
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Zhuhai Nastar Information Technology Co ltd
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    • 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
    • G03G21/1839Means for handling the process cartridge in the apparatus body
    • G03G21/1842Means for handling the process cartridge in the apparatus body for guiding and mounting the process cartridge, positioning, alignment, locks

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  • Engineering & Computer Science (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

The utility model relates to a processing box for an electrophotographic imaging device, which comprises a box body, a photosensitive drum, a gear component fixed at one end of the photosensitive drum, a side cover component fixed at the outer side of the box body, and a positioning frame with a stress part, wherein the side cover component comprises a side cover, a transmission claw and a claw frame. When the force receiving part receives an external force to enable the positioning frame to move relative to the side cover in the direction vertical to the axis of the photosensitive drum, the positioning frame drives the transmission claw to turn around the turning shaft of the claw frame from the initial position to the engaged position, and when the external force disappears, the positioning frame moves reversely relative to the side cover and drives the transmission claw to turn around the turning shaft of the claw frame from the engaged position to the initial position. The driving device has the advantage that the driving claw is not pushed by the driving head to realize smooth overturning.

Description

处理盒process box

技术领域technical field

本发明涉及电子照相成像装置的重要部件,具体地说,涉及可拆卸地安装在电子照相成像装置中的处理盒。The present invention relates to important components of an electrophotographic image forming apparatus, and more particularly, to a process cartridge detachably mounted in an electrophotographic image forming apparatus.

背景技术Background technique

参见图1,诸如激光打印机、多功能激光一体机等电子照相成像装置1多使用处理盒2作为图像处理装置,处理盒中的显影辊将粉仓中的碳粉等显影剂提供给感光鼓,从而对感光鼓上形成的静电潜像进行显影,以在纸张等介质上形成可见图像。处理盒2一般是通过电子照相成像装置1的一个仓口经滑槽装入或取出的。Referring to Fig. 1, electrophotographic imaging devices 1 such as laser printers and multifunctional laser all-in-one machines use process cartridges 2 as image processing devices, and the developing roller in the process cartridge provides developers such as carbon powder in the powder chamber to the photosensitive drum, The electrostatic latent image formed on the photosensitive drum is thus developed to form a visible image on paper and other media. The process cartridge 2 is generally loaded or taken out through a port of the electrophotographic imaging device 1 through a chute.

处理盒2中至少有感光鼓、显影辊等转动件,这些转动件以轴线平行的方式可旋转地支撑在处理盒的一对端壁上,并通过齿轮系传递旋转动力,处理盒的旋转动力来自电子照相成像装置1,处理盒较早的旋转力接收件一端是球铰,铰接在感光鼓一端,另一端是啮合部。There are at least rotating parts such as a photosensitive drum and a developing roller in the process box 2. These rotating parts are rotatably supported on a pair of end walls of the process box in an axis-parallel manner, and transmit rotational power through a gear train. The rotational power of the process box From the electrophotographic image forming apparatus 1, the earlier rotational force receiving member of the process cartridge is a spherical hinge at one end, hinged at one end of the photosensitive drum, and an engaging portion at the other end.

参见图2,当处理盒2沿Y轴正向朝电子成像装置1的盒仓插入就位时,将座落在相对仓底凸起的一个凸块11上,传动爪的被动齿将与电子照相成像装置1仓内的驱动头12啮合,从而接收旋转动力。Referring to Fig. 2, when the process cartridge 2 is inserted in place toward the box compartment of the electronic imaging device 1 along the Y axis, it will be seated on a projection 11 protruding from the bottom of the relative compartment, and the driven teeth of the transmission pawl will be in contact with the electronic imaging device 1. The driving head 12 in the chamber of the camera imaging device 1 is engaged to receive the rotational power.

公告号为CN206002844U的中国实用新型专利公开了一种处理盒,其包含有壳体、感光鼓、齿轮组件以及侧盖组件,侧盖组件具有传动爪,该传动爪能绕第二假想轴线旋转,齿轮组件设于感光鼓且能绕感光鼓轴线旋转,当传动爪位于第一位置时,第二假想轴线不平行第一假想轴线,且传动爪与齿轮组件未接触,当处理盒装入电子照相成像装置而传动爪移动至第二位置时,第二假想轴线与第一假想轴线同轴,且传动爪与齿轮组件卡接在一起并受电子照相成像装置驱动旋转而将旋转动能传至感光鼓,由于传动爪能在第一位置与第二位置之间移动,因此处理盒朝电子照相成像装置的装入和取出简单又顺畅。The Chinese utility model patent with the notification number CN206002844U discloses a process cartridge, which includes a housing, a photosensitive drum, a gear assembly, and a side cover assembly. The side cover assembly has a transmission claw that can rotate around a second imaginary axis. The gear assembly is arranged on the photosensitive drum and can rotate around the axis of the photosensitive drum. When the transmission pawl is at the first position, the second imaginary axis is not parallel to the first imaginary axis, and the transmission pawl is not in contact with the gear assembly. When the process cartridge is loaded into the electrophotographic When the transmission claw of the imaging device moves to the second position, the second imaginary axis is coaxial with the first imaginary axis, and the transmission claw and the gear assembly are snapped together and driven to rotate by the electrophotographic imaging device to transfer the rotational kinetic energy to the photosensitive drum , since the transmission pawl can move between the first position and the second position, the loading and unloading of the process cartridge toward the electrophotographic imaging device is simple and smooth.

CN206002844U公开的处理盒有如下缺陷,首先,装入电子照相成像装置时,处于第一位置的传动爪的轴线是与驱动头的轴线垂直的,其传动爪的翻转完全依赖于驱动头的顶推力,易出现传动爪翻转的死点;其次,当处理盒向电子照相成像装置中插入安装时,如果出现卡顿这种不顺畅情形,使用者多习惯将处理盒略拉出一点再插入并反复,以期望冲破卡顿,但当恰好拉出至其说明书图26示的状态时,驱动头解除了其弹性单元的约束,但未完全解除对其扭力弹簧的约束,传动爪将被弹性单元的恢复力沿感光鼓轴向顶出,此时处理盒再被沿其图26中箭头反向插入,将损坏传动爪或侧盖组件;第三,传动爪与电子照相成像装置仓内的驱动头啮合的一对受力齿非常细小,处理盒未装入电子照相成像装置中时,位于第一位置的传动爪是以轴线平行于处理盒侧壁的方式半裸露于处理盒外的,即并不是完全位于处理盒内部的,见其说明书图4,这在处理盒未装入电子照相成像装置前因跌落、碰撞而受到不适当的冲击时,极易损坏其传动爪的受力齿;最后,其齿轮组件中的卡接件的嵌槽的顶端是一个平面,这是传动爪与嵌槽啮合过程中产生不顺畅的原因之一。The process box disclosed by CN206002844U has the following defects. First, when it is loaded into an electrophotographic imaging device, the axis of the drive claw in the first position is perpendicular to the axis of the drive head, and the overturn of the drive claw depends entirely on the thrust of the drive head. , the dead point of the overturning of the transmission claws is prone to occur; secondly, when the process cartridge is inserted into the electrophotographic imaging device, if there is an unsmooth situation such as jamming, the user is more accustomed to pulling out the process cartridge a little and inserting it again and again. , in order to break through the jam, but when it is just pulled out to the state shown in Figure 26 of its manual, the drive head releases the constraint of its elastic unit, but does not completely release the constraint of its torsion spring, and the transmission pawl will be released by the elastic unit. Restoration force pushes out along the axial direction of the photosensitive drum. At this time, the process cartridge is inserted in the opposite direction along the arrow in Fig. 26, which will damage the drive claw or the side cover assembly; thirdly, the drive head in the drive claw and the electrophotographic imaging device compartment The meshing pair of force-bearing teeth is very small. When the process cartridge is not loaded into the electrophotographic imaging device, the transmission pawl at the first position is half-exposed outside the process cartridge with the axis parallel to the side wall of the process cartridge. It is not completely located inside the process box, see Figure 4 of its instruction manual. When the process box is not loaded into the electrophotographic imaging device and receives an undue impact due to drop or collision, it is very easy to damage the force-bearing teeth of its transmission claw; finally , the top of the slot of the clamping piece in the gear assembly is a plane, which is one of the reasons for the unsmoothness in the meshing process between the transmission claw and the slot.

发明内容Contents of the invention

本发明的主要目的是提供一种向电子照相成像装置能顺畅插入或取出的处理盒;The main purpose of the present invention is to provide a process cartridge which can be smoothly inserted into or taken out of an electrophotographic imaging device;

本发明的另一目的是提供一种能有效避免传动爪的受力齿被损坏的处理盒。Another object of the present invention is to provide a process cartridge which can effectively prevent the force-bearing teeth of the transmission pawl from being damaged.

为实现上述主要目的,本发明提供的处理盒包括盒体和感光鼓,以及固定在感光鼓一端的齿轮组件及固定在盒体外侧的侧盖组件,侧盖组件包括侧盖、传动爪、爪架,还包括一具有受力部的定位架。当受力部受到来自处理盒外部的外力使定位架在垂直于感光鼓的轴线方向上相对侧盖移动时,定位架驱动传动爪从初始位置绕爪架的翻转轴转向啮合位置,当外力消失时,定位架相对侧盖沿前述移动方向的反向移动,并驱动传动爪从啮合位置绕爪架的翻转轴翻转向初始位置。To achieve the above-mentioned main purpose, the process cartridge provided by the present invention includes a box body and a photosensitive drum, a gear assembly fixed at one end of the photosensitive drum, and a side cover assembly fixed on the outside of the box body. The side cover assembly includes a side cover, a transmission pawl, a pawl The frame also includes a positioning frame with a force receiving part. When the force receiving part is subjected to an external force from the outside of the process box to make the positioning frame move relative to the side cover in the direction perpendicular to the axis of the photosensitive drum, the positioning frame drives the transmission claw to turn from the initial position around the turning axis of the claw frame to the engaged position, and when the external force disappears At this time, the positioning frame moves opposite to the side cover along the aforementioned moving direction, and drives the transmission claw to turn from the meshing position to the initial position around the overturning axis of the claw frame.

由以上方案可见,由于设置了具有受力部的定位架,当受力部受到外力时,传动爪的翻转是靠定位架驱动而启动的,完全避免了现有技术的传动爪完全依靠电子照相成像装置中驱动头顶推翻转而出现的卡顿现象,使处理盒相对电子照相成像装置能顺畅地插入或取出。It can be seen from the above scheme that since the positioning frame with the force-receiving part is provided, when the force-receiving part is subjected to an external force, the turning of the transmission claw is driven by the positioning frame to start, which completely avoids the transmission claw of the prior art completely relying on electrophotography. The stuck phenomenon caused by the overturning of the driving head in the imaging device enables the process box to be inserted or removed smoothly relative to the electrophotographic imaging device.

为实现本发明的另一目的,进一步的方案是传动爪位于初始位置时,传动爪的受力齿完全位于处理盒内;传动爪位于啮合位置时,传动爪的轴线与感光鼓的轴线重合。由此可见,处理盒未装入电子照相成像装置传动爪处于初始位置时,传动爪的受力齿是朝向感光鼓内部的,因此,可以有效地防止被损坏。In order to achieve another object of the present invention, a further solution is that when the drive claw is at the initial position, the force-bearing teeth of the drive claw are completely located in the process cartridge; when the drive claw is at the meshing position, the axis of the drive claw coincides with the axis of the photosensitive drum. It can be seen that when the process cartridge is not installed in the electrophotographic imaging device and the driving claw is in the initial position, the force-bearing teeth of the driving claw are facing the inside of the photosensitive drum, so it can effectively prevent it from being damaged.

另一进一步的方案是齿轮组件包括卡接件,卡接件用于与传动爪啮合的啮合部为一对关于卡接件轴线中心对称的周向渐升齿。Another further solution is that the gear assembly includes a clamping piece, and the engaging portion of the clamping piece for meshing with the transmission pawl is a pair of circumferential progressively rising teeth symmetrical to the center of the clamping piece axis.

还一进一步的方案是侧盖与定位架通过滑槽、滑块机构配合,在与感光鼓的轴线垂直的方向上可相对滑动,定位架设有两条与滑槽平行的贯穿槽,爪架的翻转轴两端之间的距离大于贯穿槽的外壁之间的距离,定位架朝向传动爪的一面形成有内凹的翻转区。第一弹性件,其连接在爪架远离定位架的一侧的圈钩和定位架之间。第二弹性件,其置于侧盖和定位架之间,恢复力迫使定位架靠近传动爪。A further solution is that the side cover and the positioning frame cooperate with each other through a chute and a slider mechanism, and can slide relative to each other in a direction perpendicular to the axis of the photosensitive drum. The positioning frame is provided with two through grooves parallel to the chute. The distance between the two ends of the turning shaft is greater than the distance between the outer walls of the through groove, and a concave turning area is formed on the side of the positioning frame facing the transmission claw. The first elastic member is connected between the loop hook on the side of the claw frame away from the positioning frame and the positioning frame. The second elastic member is placed between the side cover and the positioning frame, and the restoring force forces the positioning frame to approach the transmission pawl.

更进一步的方案是传动爪位于初始位置时,传动爪的受力齿完全位于处理盒内;传动爪位于啮合位置时,传动爪的轴线与感光鼓的轴线重合。A further solution is that when the transmission claw is at the initial position, the force-bearing teeth of the transmission claw are completely located in the process box; when the transmission claw is at the meshing position, the axis of the transmission claw coincides with the axis of the photosensitive drum.

再进一步的方案是齿轮组件包括卡接件,卡接件用于与传动爪啮合的啮合部为一对关于卡接件轴线中心对称的周向渐升齿。A still further solution is that the gear assembly includes a clamping piece, and the engaging portion of the clamping piece for meshing with the transmission pawl is a pair of circumferential progressively rising teeth symmetrical to the center of the clamping piece axis.

附图说明Description of drawings

图1是处理盒与电子照相成像装置的立体示意图;Fig. 1 is a three-dimensional schematic diagram of a process box and an electrophotographic imaging device;

图2是图1的A局部放大图;Fig. 2 is a partial enlarged view of A in Fig. 1;

图3是本发明第一实施例的立体图;Fig. 3 is a perspective view of the first embodiment of the present invention;

图4是齿轮组件与侧盖组件相对位置关系的立体图;4 is a perspective view of the relative positional relationship between the gear assembly and the side cover assembly;

图5是齿轮组件与侧盖组件的结构分解图;Fig. 5 is an exploded view of the structure of the gear assembly and the side cover assembly;

图6是齿轮组件另一视角的结构分解图;Fig. 6 is a structural exploded view of another perspective of the gear assembly;

图7是齿轮组件的剖视图;Figure 7 is a cross-sectional view of the gear assembly;

图8是侧盖的立体图;Figure 8 is a perspective view of the side cover;

图9是定位架的立体图;Figure 9 is a perspective view of the positioning frame;

图10是传动爪的立体图;Figure 10 is a perspective view of the transmission claw;

图11是爪架的立体图;Figure 11 is a perspective view of the claw frame;

图12是圈钩的立体图;Figure 12 is a perspective view of the loop hook;

图13是传动爪、爪架、圈钩及弹性圈组合后的结构图;Fig. 13 is the structural diagram after the transmission claw, the claw frame, the ring hook and the elastic ring are combined;

图14是装配侧盖、定位架、弹簧的示意图;Fig. 14 is the schematic diagram of assembling side cover, spacer, spring;

图15是在图14的基础上加装图13示的组件示意图;Figure 15 is a schematic diagram of the assembly shown in Figure 13 on the basis of Figure 14;

图16是侧盖组件的剖视结构图;Figure 16 is a cross-sectional structural view of the side cover assembly;

图17是侧盖组件另一视角的结构图;Fig. 17 is a structural diagram of another perspective of the side cover assembly;

图18是弹性圈就位后侧盖组件的立体图;Figure 18 is a perspective view of the side cover assembly after the elastic ring is in place;

图19是侧盖组件的另一剖视结构图;Fig. 19 is another sectional structural view of the side cover assembly;

图20是当处理盒插入电子照相成像装置,即按图2中Y轴正向进入盒仓时,齿轮组件和侧盖组件相对驱动头位置关系的B向视图;Fig. 20 is a B-direction view of the positional relationship between the gear assembly and the side cover assembly relative to the drive head when the process cartridge is inserted into the electrophotographic imaging device, that is, when entering the cartridge chamber in the positive direction of the Y axis in Fig. 2;

图21是图20在平面内旋转180度后的视图;Figure 21 is a view of Figure 20 rotated 180 degrees in the plane;

图22是图21的C-C剖视图;Fig. 22 is a CC sectional view of Fig. 21;

图23-图27是处理盒插入电子照相成像装置时传动爪的翻转过程示意图;Fig. 23-Fig. 27 are schematic diagrams of the overturning process of the transmission claw when the process cartridge is inserted into the electrophotographic imaging device;

图28是传动爪处于啮合位置时的状态图;Fig. 28 is a state diagram when the transmission pawl is in the engaged position;

图29-图33处理盒从电子照相成像装置取出时传动爪翻转过程示意图。Fig. 29 - Fig. 33 are schematic diagrams of the overturning process of the transmission claw when the process cartridge is taken out from the electrophotographic imaging device.

以下结合各实施例及其附图对本发明作进一步说明。The present invention will be further described below in conjunction with various embodiments and accompanying drawings.

具体实施方式Detailed ways

本发明主要是针对现有处理盒特别是CN206002844U公开方案进行的改进,以下各实施例仅对与本发明密切相关的结构及工作原理加以说明,处理盒与现有技术完全相同的其他构造及部件,本领域技术人员完全可以依据现有处理盒及CN20600284U公开的技术内容加以理解及进行实施,因此对这些构造及部件不再另行说明。The present invention is mainly aimed at the improvement of the existing process box, especially the disclosed scheme of CN206002844U. The following embodiments only illustrate the structure and working principle closely related to the present invention. The other structures and parts of the process box are completely the same as those of the prior art. , those skilled in the art can fully understand and implement according to the existing process box and the technical content disclosed by CN20600284U, so these structures and components will not be further described.

为清楚地对本发明进行说明起见,受图幅所限,以上各图之间的比例并不一致,不属于本发明实施例的电子照相成像装置部分的结构在图20-图33中均以点划线示意。For the purpose of clearly describing the present invention, due to the limitation of the size of the drawings, the proportions of the above drawings are not consistent, and the structures of the parts of the electrophotographic imaging device that do not belong to the embodiment of the present invention are shown in dots in Fig. 20-Fig. 33 The line indicates.

同时,为达到既能反映各零部件的相对位置关系,又能清楚看出本发明的结构特点,鉴于各图的视角都不尽相同,采取在有关视图中都用统一的空间直角坐标系XYZ的方式来解决,且XYZ满足右手法则。At the same time, in order to reflect the relative positional relationship of each component and clearly see the structural characteristics of the present invention, in view of the different viewing angles of each figure, a unified space Cartesian coordinate system XYZ is used in the relevant views. The way to solve, and XYZ satisfies the right-hand rule.

实施例Example

参见图3,在处理盒2感光鼓一端盒体的外侧壁上固定有侧盖组件3。Referring to FIG. 3 , a side cover assembly 3 is fixed on the outer wall of the box body at one end of the photosensitive drum of the process cartridge 2 .

参见图4,齿轮组件4由齿轮,弹簧及卡接件构成,齿轮的一个轴向端是用于与感光鼓的鼓筒连接的固定端411。侧盖组件3包括侧盖31,定位架32,传动爪33,作为本发明第二弹性件的弹簧34及安装弹簧34用的工艺封头35。Referring to FIG. 4 , the gear assembly 4 is composed of gears, springs and clips. One axial end of the gear is a fixed end 411 for connecting with the drum of the photosensitive drum. The side cover assembly 3 includes a side cover 31 , a positioning frame 32 , a transmission claw 33 , a spring 34 as the second elastic member of the present invention, and a process head 35 for installing the spring 34 .

参见图5,齿轮组件4由齿轮41,弹簧42及卡接件43组装而成。侧盖组件3由侧盖31,定位架32,传动爪33,弹簧34,封头35,爪架36,作为本发明第一弹性件的弹性圈37,圈钩38,槽封39组装而成。在处理盒上,感光鼓的轴线与齿轮组件4的轴线及传动爪33处于初始位置或啮合位置时的轴线共线。Referring to FIG. 5 , the gear assembly 4 is assembled by a gear 41 , a spring 42 and a clip 43 . The side cover assembly 3 is assembled by a side cover 31, a positioning frame 32, a transmission claw 33, a spring 34, a head 35, a claw frame 36, an elastic ring 37 as the first elastic member of the present invention, a ring hook 38, and a groove seal 39 . On the process cartridge, the axis of the photosensitive drum is collinear with the axis of the gear assembly 4 and the axis of the transmission pawl 33 when it is in the initial position or the meshing position.

参见图6,齿轮41形成有一个敞口的内腔412,腔底设置有贯通底壁的导向口413、414,其中一对导向口413兼作轴向限位,弹簧42位于内腔412中,卡接件43为一敞口朝下的筒体,其上底面外侧设置有一对关于该筒体轴线中心对称的周向渐升齿431,筒体周壁沿轴向设置有四道贯通槽,形成四条沿轴向设置并能在导向口413、414中沿轴向滑动的滑杆432、433,其中一对滑杆432位于敞口的沿口处还设置有一对与导向口413的轴向限位配合的径向外凸。Referring to Fig. 6, the gear 41 is formed with an open inner cavity 412, and the bottom of the cavity is provided with guide openings 413, 414 penetrating the bottom wall, wherein a pair of guide openings 413 also serve as axial stoppers, and the spring 42 is located in the inner cavity 412, The clamping piece 43 is a cylindrical body with its opening facing downwards. A pair of progressively rising teeth 431 in the circumferential direction symmetrical to the center of the cylindrical body axis are provided on the outer side of the upper bottom surface. The peripheral wall of the cylindrical body is provided with four through grooves in the axial direction, forming Four slide rods 432,433 that are arranged axially and can slide axially in the guide ports 413,414, wherein a pair of slide rods 432 are located at the edge of the opening and are also provided with a pair of axial limiters with the guide port 413 Fitted radially outward.

参见图7,齿轮组件4组装完成后,弹簧42在安置在齿轮41与卡接件43之间,使得卡接件43一方面可以通过一对周向渐升齿431接受处于啮合位置时传动爪33传递的旋转力,另一方面可以在轴向合力方向变化时,相对齿轮42在轴向上滑动。Referring to Fig. 7, after the gear assembly 4 is assembled, the spring 42 is placed between the gear 41 and the clamping member 43, so that the clamping member 43 can accept the transmission pawl when it is in the meshing position through a pair of circumferential progressive teeth 431 on the one hand. The rotational force transmitted by 33, on the other hand, can slide in the axial direction relative to the gear 42 when the direction of the axial resultant force changes.

参见图8,侧盖31有一个供传动爪33沿轴向移动及沿垂直于轴向的方向翻转的轴向贯通腔311,贯通腔311的内壁对称地设置有平行于轴向的一对滑槽312,侧盖31上还设置有供定位架32在垂直于感光鼓轴线方向上相对侧盖31滑动的一对滑槽313,数个与处理盒2的侧壁扣接的卡扣314。在一对滑槽313的中间,还平行地设置了一个作为弹性件的弹簧的安装孔315。Referring to Fig. 8, the side cover 31 has an axial through chamber 311 for the transmission pawl 33 to move axially and to turn over in the direction perpendicular to the axial direction, and the inner wall of the through chamber 311 is symmetrically provided with a pair of slides parallel to the axial direction. Slot 312, side cover 31 is also provided with a pair of sliding slots 313 for positioning frame 32 to slide relative to side cover 31 in a direction perpendicular to the axis of the photosensitive drum, and several buckles 314 that are buckled with the side wall of process cartridge 2 . In the middle of the pair of sliding grooves 313, a spring mounting hole 315 as an elastic member is also arranged in parallel.

参见图9,定位架32设有一个内凹的翻转区321,还有一个受力部322,两根与前述一对滑槽配合作为滑块的滑杆323,与滑杆323轴向平行设置的一对贯穿槽324,用于安装弹性圈的固定槽325设置在翻转区321外壁上,贯穿槽324是指在Z向上贯通。Referring to Fig. 9, the positioning frame 32 is provided with a concave overturning area 321, and a force-receiving part 322, and two sliding rods 323 that cooperate with the aforementioned pair of sliding grooves as sliders are arranged parallel to the axial direction of the sliding rods 323 A pair of through grooves 324, a fixing groove 325 for installing the elastic ring is provided on the outer wall of the turning area 321, and the through grooves 324 mean to penetrate in the Z direction.

参见图10,传动爪33的一个轴向端设有接收驱动头12旋转力的一对受力齿331,另一端则设有向一对周向渐升齿431传递旋转力的一对输出臂332,中部有用于与爪架36配合的一个缩径段333。Referring to Fig. 10, one axial end of the transmission pawl 33 is provided with a pair of stressed teeth 331 for receiving the rotational force of the drive head 12, and the other end is provided with a pair of output arms for transmitting the rotational force to a pair of circumferential progressive teeth 431. 332, a diameter-reducing section 333 for cooperating with the claw frame 36 is arranged in the middle.

参见图11,爪架36有一个与缩径段333配合的轴套361,自轴套361外壁沿径向向外延伸的一对翻转轴362,及圈钩38的安装座363,从安装工艺的角度考虑,安装座363有一个切口,以便张开将缩径段333挤入。Referring to Fig. 11, the claw frame 36 has a shaft sleeve 361 matched with the diameter-reducing section 333, a pair of turning shafts 362 extending radially outward from the outer wall of the shaft sleeve 361, and a mounting seat 363 of the ring hook 38. From the installation process Considering the angle of view, the mounting seat 363 has a cutout so that the diameter-reducing section 333 can be squeezed into it.

参见图12,圈钩38有一个安装部381及一个钩部382。Referring to FIG. 12 , the loop hook 38 has a mounting portion 381 and a hook portion 382 .

参见图13,将缩径段333挤入轴套361后,即完成了传动爪33与爪架36的装配,在用双面胶或胶水将安装部381粘接在安装座363上,最后把橡胶制成的弹性圈37套入钩部382,即成图13示的部件状态。Referring to Fig. 13, after the diameter-reducing section 333 is squeezed into the shaft sleeve 361, the assembly of the transmission claw 33 and the claw frame 36 is completed, and the mounting part 381 is bonded to the mounting seat 363 with double-sided tape or glue, and finally the The elastic ring 37 made of rubber is inserted into the hook portion 382 to form the state of the components shown in FIG. 13 .

参见图14,将定位架32的滑杆323穿入侧盖31的滑槽313,并将弹簧34自安装孔315图14中左侧的开口塞入,并用封头35将该开口封堵,使弹簧34能被挤压在侧盖31和定位架32之间。Referring to Fig. 14, insert the slide bar 323 of the positioning frame 32 into the chute 313 of the side cover 31, and insert the spring 34 from the opening on the left side of the installation hole 315 in Fig. 14, and seal the opening with the head 35, The spring 34 can be squeezed between the side cover 31 and the positioning frame 32 .

参见图15,将定位架32相对侧盖31沿Y轴负向压缩弹簧而移动,使定位架32不妨碍图13示的部件装配,将该部件以图15示的姿态沿X轴负向插入贯通腔311,此时一对翻转轴362的端部需对应进入一对滑槽312,并将槽封39挤压在滑槽312的开口处,当插入至翻转轴362与贯穿槽324在X向的座标值相同时,放开对定位架32的约束,定位架32将在弹簧34恢复力的作用下复位,并将翻转轴362置于贯穿槽324内,即在一定条件下,翻转轴362可以相对滑槽312在X轴方向上往复移动,还可以相对贯穿槽324在Y轴方向上往复移动。Referring to Fig. 15, move the positioning frame 32 relative to the side cover 31 along the negative direction of the Y axis to compress the spring so that the positioning frame 32 does not interfere with the assembly of the components shown in Fig. 13, and insert the component in the posture shown in Fig. 15 along the negative direction of the X axis Through the cavity 311, at this time, the ends of a pair of turning shafts 362 need to enter a pair of chute 312 correspondingly, and the groove seal 39 is squeezed at the opening of the chute 312, when inserted into the turning shaft 362 and the through groove 324 at X When the coordinate values of the directions are the same, release the constraint on the positioning frame 32, the positioning frame 32 will reset under the action of the restoring force of the spring 34, and place the turning shaft 362 in the through groove 324, that is, under certain conditions, the turning The shaft 362 can reciprocate relative to the sliding slot 312 in the X-axis direction, and can also reciprocate relative to the through slot 324 in the Y-axis direction.

处理盒未插入电子照相成像装置时,即受力部322未受力时,翻转轴362是穿过贯穿槽324并伸入滑槽312的,受贯穿槽324和滑槽312的共同约束,翻转轴362不能相对侧盖在任何方向上平动。当受力部322因受力而使定位架32相对侧盖31沿Y轴负向滑动至图16示的状态时,翻转轴362已经脱出贯穿槽324,因此可以沿X轴向在滑槽312中滑动。When the process cartridge is not inserted into the electrophotographic imaging device, that is, when the force-bearing part 322 is not stressed, the turning shaft 362 passes through the through groove 324 and stretches into the chute 312, and is constrained by the through groove 324 and the chute 312 to turn over Shaft 362 cannot translate in any direction relative to the side cover. When the force-bearing part 322 is forced to make the positioning frame 32 slide negatively along the Y-axis relative to the side cover 31 to the state shown in FIG. Swipe in.

图17示出了图15示的装配完成后的状态,此时可将弹性圈37略微拉伸以套入固定槽325,如此,弹性圈37便如图18所示这样连接在爪架远离定位架32一侧的圈钩和定位架32之间了。Fig. 17 shows the state after the assembly shown in Fig. 15 is completed, at this moment, the elastic ring 37 can be slightly stretched to be inserted into the fixing groove 325, so that the elastic ring 37 is connected to the claw frame as shown in Fig. 18 and is away from the positioning Between the ring hook on the frame 32 side and the positioning frame 32.

参见图19,图19示出了当齿轮组件4与侧盖组件3都安装到处理盒上后,两者之间的位置关系。此时,传动爪33处于初始位置,其轴线在X轴向上且受力齿331朝向X轴负向,因此完全处于处理盒的内部。另外,图19中可见爪架的翻转轴332两端之间的距离大于贯穿槽的外壁之间的距离,即大于两滑杆323外侧之间的间距离,从而翻转轴332端部可以穿过贯穿槽伸入滑槽312中。Referring to FIG. 19, FIG. 19 shows the positional relationship between the gear assembly 4 and the side cover assembly 3 after they are installed on the process box. At this time, the transmission pawl 33 is in the initial position, its axis is on the X-axis and the force-receiving tooth 331 is facing the negative direction of the X-axis, so it is completely inside the process cartridge. In addition, it can be seen in Figure 19 that the distance between the two ends of the overturning shaft 332 of the claw frame is greater than the distance between the outer walls of the through groove, that is, the distance between the outer sides of the two slide bars 323, so that the end of the overturning shaft 332 can pass through. The through groove extends into the slide groove 312 .

以下对本发明第一实施例的工作原理进行说明。The working principle of the first embodiment of the present invention will be described below.

当本发明第一实施例的处理盒向电子照相成像装置的盒仓内插入时,即按图1或图2的Y轴正向行进时,参见图20将由处理盒的受力部322首先接触到盒仓内的凸块11,为方便对第一实施例的说明,将图20在平面内旋转180度后进行说明。When the process cartridge of the first embodiment of the present invention is inserted into the cartridge chamber of the electrophotographic imaging device, that is, when the Y axis in Fig. 1 or Fig. 2 advances forward, referring to Fig. For the convenience of the description of the first embodiment, the projection 11 in the magazine will be described after rotating 180 degrees in Fig. 20 in the plane.

参见图21,此时由于处理盒尚未就位,将继续沿Y轴正向行进,由于受力部322受到了阻力,定位架32相对凸块11即盒仓被定位,而相对侧盖31而言,相当于定位架32在凸块11施加的外力克服了弹簧34恢复力的情形下沿Y轴负向移动。Referring to Fig. 21, at this time, because the process cartridge is not yet in place, it will continue to move forward along the Y axis, and because the force receiving part 322 is subjected to resistance, the positioning frame 32 is positioned relative to the projection 11, that is, the cartridge compartment, and the relative side cover 31 is positioned. In other words, it means that the positioning frame 32 moves negatively along the Y-axis when the external force exerted by the bump 11 overcomes the restoring force of the spring 34 .

参见图22,此时驱动头12与传动爪33在Y轴向上存在距离。Referring to FIG. 22 , there is a distance between the drive head 12 and the transmission pawl 33 in the Y-axis direction at this time.

参见图23,翻转轴362在滑槽312的约束下随侧盖31向Y轴正向行进,一方面,相对贯穿槽324朝其开口方向滑动,另一方面,在弹性圈37的拉动下绕翻转轴362开始在翻转区内开始翻转。此时驱动头12与传动爪33在Y轴向上也存在距离。Referring to Fig. 23, under the constraint of the chute 312, the turning shaft 362 travels forward along the Y axis with the side cover 31. On the one hand, it slides toward the opening direction of the through groove 324; The inversion axis 362 begins to invert in the inversion zone. At this time, there is also a distance between the driving head 12 and the transmission pawl 33 in the Y-axis direction.

参见图24-图25,随着处理盒向盒仓内的不断插入,传动爪33转角也逐渐加大,当翻转轴362脱出贯穿槽324时,将沿滑槽312向X轴负向下行。此时驱动头12与传动爪33在Y轴向上仍存在距离。Referring to Fig. 24-25, as the process cartridge is continuously inserted into the cartridge compartment, the angle of rotation of the transmission pawl 33 gradually increases. When the overturning shaft 362 breaks out of the through groove 324, it will go down along the chute 312 toward the X axis negatively. At this time, there is still a distance between the driving head 12 and the transmission pawl 33 in the Y-axis direction.

参见图26,传动爪33直到从初始位置转动约100度角后,驱动头12才开始与传动爪33接触,并由驱动头12推动传动爪33继续转动且沿滑槽312下行。Referring to FIG. 26 , the drive head 12 does not start to contact the drive claw 33 until the drive claw 33 rotates about 100 degrees from the initial position, and the drive head 12 pushes the drive claw 33 to continue to rotate and move down the chute 312 .

参见图27,处理盒相对盒仓就位时,即传动爪33处于啮合位置时,驱动头12的轴线,传动爪33的轴线与感光鼓的轴线即齿轮31的轴线重合。Referring to Fig. 27, when the process cartridge was in place relative to the box chamber, that is, when the transmission claw 33 was in the meshing position, the axis of the drive head 12, the axis of the transmission claw 33 and the axis of the photosensitive drum, that is, the axis of the gear 31, coincided.

参见图28,在快到达啮合位置时,输出臂332直接进入周向渐升齿431的齿底区的可能远大于座落在周向渐升齿431的齿顶区,因此,较现有技术使卡接件43在轴向被最大压缩的可能性相对小得多,减少了卡顿的出现的几率。Referring to Fig. 28, when the meshing position is about to be reached, the possibility of the output arm 332 directly entering the tooth bottom area of the circumferential progressively rising tooth 431 is much greater than that sitting on the tooth top area of the circumferential gradually rising tooth 431, therefore, compared with the prior art The possibility of maximum compression of the clamping member 43 in the axial direction is relatively much smaller, which reduces the probability of jamming.

参见图29-图32,处理盒从盒仓内取出的过程中,在受力部322与凸块11保持接触期间,侧盖31将向Y轴负向移动,在弹簧34恢复力的作用下,定位架32相对盒仓定位,即是静止的,而传动爪33在弹性圈37恢复力的作用下,一方面相对侧盖31沿滑槽312沿X轴正向上行,同时还绕翻转轴362按图29示逆时针旋转,当上行至翻转轴362与贯穿槽324在X轴向坐标相同时,贯穿槽324的开口恰与滑槽312具有相同的Y轴向坐标,翻转轴362自开口进入贯穿槽362如图32。Referring to Fig. 29-Fig. 32, during the process of taking out the process cartridge from the cartridge chamber, while the force-receiving part 322 is in contact with the projection 11, the side cover 31 will move in the negative direction of the Y-axis, under the action of the restoring force of the spring 34 , the positioning frame 32 is positioned relative to the magazine, that is, it is stationary, and the transmission claw 33 is under the action of the restoring force of the elastic ring 37. On the one hand, the relative side cover 31 moves forward along the X-axis along the chute 312, and at the same time, it also rotates around the turning axis. 362 rotates counterclockwise as shown in Figure 29. When the X-axis coordinates of the upturning shaft 362 and the through-groove 324 are the same, the opening of the through-groove 324 has the same Y-axis coordinate as the chute 312, and the overturning axis 362 starts from the opening. Enter the through groove 362 as shown in Figure 32 .

参见图33,当受力部322与凸块11脱离接触后,在弹性圈37和弹簧34恢复力的作用下复原到初始位置。Referring to FIG. 33 , when the force receiving portion 322 is out of contact with the protrusion 11 , it returns to the original position under the restoring force of the elastic ring 37 and the spring 34 .

其他的实施方式other implementations

侧盖与定位架之间还可以采用燕尾导轨配合,以实现在与感光鼓轴线垂直的方向上的相对滑动;第一弹性件可以采用连接在定位架与爪架之间单根橡胶条来替代弹性圈。Dovetail rails can also be used between the side cover and the positioning frame to achieve relative sliding in the direction perpendicular to the axis of the photosensitive drum; the first elastic member can be replaced by a single rubber strip connected between the positioning frame and the claw frame Elastic ring.

Claims (6)

1.处理盒,包括盒体,感光鼓;1. Process cartridge, including cartridge body and photosensitive drum; 固定在所述感光鼓一端的齿轮组件及固定在所述盒体外侧的侧盖组件;a gear assembly fixed at one end of the photosensitive drum and a side cover assembly fixed outside the box; 所述侧盖组件包括侧盖、传动爪、爪架;The side cover assembly includes a side cover, a transmission claw, and a claw frame; 其特征在于:It is characterized by: 所述传动爪轴向上的中部设置有缩径段;A diameter-reducing section is arranged in the axial middle of the transmission claw; 所述爪架具有一个与所述缩径段配合的轴套,及自所述轴套外壁沿径向向外延伸的一对翻转轴及圈钩;The claw frame has a shaft sleeve matched with the diameter-reducing section, and a pair of turning shafts and ring hooks extending radially outward from the outer wall of the shaft sleeve; 所述侧盖组件还包括一具有受力部的定位架,所述定位架具有一个内凹的翻转区和一对贯穿槽,所述定位架与所述圈钩之间置有第一弹性件,所述定位架与所述侧盖之间置有第二弹性件,所述翻转轴可在所述贯穿槽内绕自身轴线转动地滑动;The side cover assembly also includes a positioning frame with a force-receiving part, the positioning frame has a concave turning area and a pair of through grooves, and a first elastic member is placed between the positioning frame and the ring hook , a second elastic member is placed between the positioning frame and the side cover, and the turning shaft can slide around its own axis in the through groove; 当所述受力部受到来自所述处理盒外部的外力使所述定位架在垂直于所述感光鼓的轴线方向上相对所述侧盖移动时,所述定位架驱动所述传动爪在所述翻转区内从初始位置绕所述翻转轴转动,直到转向啮合位置;When the force-receiving part is subjected to an external force from the outside of the process cartridge so that the positioning frame moves relative to the side cover in a direction perpendicular to the axis of the photosensitive drum, the positioning frame drives the transmission pawl at the Turn around the turning axis from the initial position in the turning area until turning to the meshing position; 当所述外力消失时,所述定位架在所述第二弹性件恢复力的作用下相对所述侧盖沿前述移动方向的反向移动,同时,在所述第一弹性件恢复力的作用下所述传动爪从啮合位置绕所述翻转轴翻转回初始位置。When the external force disappears, the positioning bracket moves in the opposite direction relative to the side cover along the aforementioned moving direction under the action of the restoring force of the second elastic member, and at the same time, under the action of the restoring force of the first elastic member The following transmission pawl is turned back to the initial position around the turning axis from the meshing position. 2.根据权利要求1所述的处理盒,其特征在于:2. The process cartridge according to claim 1, wherein: 所述传动爪位于所述初始位置时,所述传动爪的受力齿完全位于所述处理盒内;When the transmission pawl is at the initial position, the stressed teeth of the transmission pawl are completely located in the process box; 所述传动爪位于所述啮合位置时,所述传动爪的轴线与所述感光鼓的轴线重合。When the transmission pawl is at the meshing position, the axis of the transmission pawl coincides with the axis of the photosensitive drum. 3.根据权利要求1或2所述的处理盒,其特征在于:3. The process cartridge according to claim 1 or 2, characterized in that: 所述齿轮组件包括卡接件,所述卡接件用于与所述传动爪啮合的啮合部为一对关于所述卡接件轴线中心对称的周向渐升齿。The gear assembly includes a clamping member, and the engaging portion of the clamping member for engaging with the transmission pawl is a pair of circumferential progressively rising teeth symmetrical to the center of the clamping member axis. 4.根据权利要求1所述的处理盒,其特征在于:4. The process cartridge according to claim 1, wherein: 所述侧盖与所述定位架通过滑槽、滑块机构配合,在与所述感光鼓的轴线垂直的方向上可相对滑动;The side cover cooperates with the positioning frame through a chute and a slider mechanism, and can slide relatively in a direction perpendicular to the axis of the photosensitive drum; 所述滑槽与所述贯穿槽平行,所述翻转轴两端之间的距离大于所述贯穿槽的外壁之间的距离;The chute is parallel to the through groove, and the distance between the two ends of the turning shaft is greater than the distance between the outer walls of the through groove; 所述翻转区形成在所述定位架朝向所述传动爪的一面。The turning area is formed on a side of the positioning frame facing the driving pawl. 5.根据权利要求4所述的处理盒,其特征在于:5. The process cartridge according to claim 4, wherein: 所述传动爪位于所述初始位置时,所述传动爪的受力齿完全位于所述处理盒内;When the transmission pawl is at the initial position, the stressed teeth of the transmission pawl are completely located in the process box; 所述传动爪位于啮合位置时,所述传动爪的轴线与所述感光鼓的轴线重合。When the transmission pawl is at the meshing position, the axis of the transmission pawl coincides with the axis of the photosensitive drum. 6.根据权利要求4或5所述的处理盒,其特征在于:6. The process cartridge according to claim 4 or 5, characterized in that: 所述齿轮组件包括卡接件,所述卡接件用于与所述传动爪啮合的啮合部为一对关于所述卡接件轴线中心对称的周向渐升齿。The gear assembly includes a clamping member, and the engaging portion of the clamping member for engaging with the transmission pawl is a pair of circumferential progressively rising teeth that are symmetrical about the center of the clamping member axis.
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