WO2013091470A1 - 显影剂运送构件及显影盒 - Google Patents
显影剂运送构件及显影盒 Download PDFInfo
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- WO2013091470A1 WO2013091470A1 PCT/CN2012/085506 CN2012085506W WO2013091470A1 WO 2013091470 A1 WO2013091470 A1 WO 2013091470A1 CN 2012085506 W CN2012085506 W CN 2012085506W WO 2013091470 A1 WO2013091470 A1 WO 2013091470A1
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- WIPO (PCT)
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- developer supply
- developer
- supply plate
- crankshaft
- developing cartridge
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
- G03G15/0891—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers
Definitions
- the present invention relates to a developer conveying member for conveying a developer in a developing cartridge for an electrophotographic image forming apparatus, and a developing cartridge to which the developer conveying member is attached.
- the present invention is based on a Chinese patent application filed on Dec. 19, 2011, filed on Jan. 19, 2011, the content of which is hereby incorporated by reference.
- the electrophotographic image forming apparatus usually uses a detachable developing cartridge to supply toner to develop an electrostatic latent image on the photosensitive member, and then transfer it to a medium such as paper to form a visible image.
- the Chinese Patent Application Publication No. CN101241336A discloses a developing cartridge comprising a flat-shaped casing having a developer accommodating chamber for accommodating a developer, which is transported and developed in a developer accommodating chamber by a limitation of its internal space.
- the mechanism of the agent is a developer supply plate having a flow hole, one end of which is connected to the inner wall of the developer accommodating chamber by a spring, and the other end has a protrusion portion which can contact the rotating shaft in the developer accommodating chamber, the rotating shaft and the developer supply plate After the protrusion contacts, the developer supply plate is moved in the horizontal direction, and after the rotating shaft comes out of contact with the developer supply plate, the developer supply plate returns to the original position under the spring force. As the rotation shaft rotates, the developer supply plate reciprocates in the horizontal direction, and the developer is conveyed through the flow holes thereof.
- the developer supply plate moves only in the horizontal direction, the flow holes thereon are extremely clogged, thereby reducing the ability to transport the developer, and in addition, the developer is easily bonded between the developer supply plate and the developer accommodating chamber, The movement of the developer supply plate constitutes an obstacle, and even the developer supply plate is stopped from moving, and the developer conveying efficiency is poor.
- the developer in the developing cartridge is used up by the electrophotographic image forming apparatus, more developer remains in the developer accommodating chamber, resulting in waste of resources and an increase in the cost of use.
- a main object of the present invention is to provide a developer supply member having high developer conveying efficiency
- Another object of the present invention is to provide a developing cartridge to which the above-described developer supply member is mounted.
- the developer supply member provided by the present invention includes a rotating shaft and a developer supply plate.
- the rotating shaft is a crankshaft
- one end of the developer supply plate has a portion that is sleeved around the outer periphery of the crank neck of the crankshaft to movably connect the developer supply plate to the crankshaft.
- the developer supply plate has a plurality of pieces
- the crankshaft is provided with a crank neck which is offset from the center of the rotation shaft in different directions in the radial direction, and the crank neck which is offset from the center of the rotation axis in the same direction corresponds to a developer supply plate.
- a crankshaft drives a plurality of developer supply plates to move, further increasing the ability to transport the developer.
- crankshafts there are a plurality of pieces of the developer supply plate, and the number of the crankshafts is correspondingly plural.
- a plurality of crankshafts drive a plurality of developer supply plates to increase the ability to transport the developer.
- Yet another more specific solution is to provide a rib on the developer supply plate in a direction parallel to the axis of rotation.
- the ribs can move the developer during movement of the developer supply plate, further increasing the ability of the developer supply plate to transport the developer.
- the rib is provided with a break perpendicular to the direction of the rotation axis.
- the developer can flow from the opening when the developer supply plate moves, and the developer is less likely to accumulate and stick.
- a developing cartridge provided by the present invention includes a cartridge body provided with a developer accommodating chamber having an opening for outwardly outputting the developer, and a developing roller rotatably disposed at the opening, the developer A accommodating chamber is provided with a developer supply member including a rotating shaft and a developer supply plate, the rotating shaft is a crankshaft, and one end of the developer supply plate has a circumference around the crank neck of the crankshaft to movably connect the developer supply plate with the crankshaft part.
- the developer supply plate has a plurality of pieces
- the crankshaft is provided with a crank neck which is offset from the center of the rotation shaft in different directions in the radial direction, and the crank neck which is offset from the center of the rotation axis in the same direction corresponds to a developer supply plate.
- a crankshaft drives a plurality of developer supply plates to move, further increasing the ability to transport the developer.
- crankshafts there are a plurality of pieces of the developer supply plate, and the number of the crankshafts is correspondingly plural.
- a plurality of crankshafts drive a plurality of developer supply plates to increase the ability to transport the developer.
- Yet another more specific solution is to provide a rib on the developer supply plate in a direction parallel to the axis of rotation.
- the ribs can move the developer during movement of the developer supply plate, further increasing the ability of the developer supply plate to transport the developer.
- the rib is provided with a break perpendicular to the direction of the rotation axis.
- the developer can flow from the opening when the developer supply plate moves, and the developer is less likely to accumulate and stick.
- the developer supply plate of the present invention can be moved in two directions, and the developing supply plate is inevitably moved by the rotation of the crankshaft, the conveying efficiency is improved, and the developer residual amount is low.
- the developing cartridge of the present invention is moved in both directions by the developer supply plate, and the developing supply plate is inevitably moved by the rotation of the crankshaft, the conveying efficiency is improved, and the developer residual amount is low.
- Figure 1 is a perspective view of a first embodiment of a developer conveying member of the present invention
- Figure 2 is a perspective view of a second embodiment of the developer conveying member of the present invention.
- Figure 3 is a front elevational view showing a first embodiment of the developing cartridge of the present invention.
- Figure 4 is a cross-sectional view taken along line A-A of Figure 3, and rotated 90 degrees clockwise;
- Figure 5 is a cross-sectional view showing a second embodiment of the developing cartridge of the present invention.
- the developer supply member includes a crank shaft 1 as a rotating shaft on which two crank necks 12 which are offset from the center shaft 11 in one direction in the radial direction are provided, and one end of the developer supply plate 2 is fitted over
- the outer circumference of the curved corner 12 is such that the developer supply plate is movably connected to the two annular portions 21 of the crankshaft, and has a slit 22 at the end to prevent interference with the developer supply plate 2 during the rotation of the crankshaft 1, the axis of the slit 22
- the length is greater than the length of the central axis 11 of its corresponding segment, and the width perpendicular to the axial direction corresponds to the distance of the crank neck 12 from the central axis 11.
- the lower surface of the developer supply plate 2 is provided with ribs 23 extending in a straight line parallel to the central axis 11, and the ribs 23 are intermittently disposed with a break opening (not shown) perpendicular to the central axis 11 .
- the other end of the developer supply plate is a free end, and the free end is bent downward and inward to form a rib 23, and the rib 23 functions to displace the developer during the movement of the developer supply plate 2.
- two pull tabs 24 may be provided at the end portion to be respectively connected to the other end of the elastic mechanism fixed at one end, and the movement of the free end of the developer supply plate 2 is restricted by the elastic mechanism.
- the crankshaft 1 receives the driving force to rotate, and the crank neck 12 drives the annular portion 21 of the developer supply plate 2 to move along the circumference of its rotation.
- the movement can be decomposed into the movement in the vertical direction and the movement in the horizontal direction, so that the entire developer supply plate 2 can be moved in the vertical direction and the horizontal direction to drive the movement of the toner in the toner accommodating chamber.
- the developer supply member includes a crank shaft 3 as a rotating shaft and two developer supply plates 4 and 5 to further increase the ability of the developer supply member to convey the developer.
- the crankshaft 3 is provided with bell cranks 32 and 33 which are offset from the central shaft 31 in opposite directions in the radial direction, and an annular portion 41 provided on the portion bent upward by the developer supply plate 4 is fitted over the crank neck 32.
- the developer supply plate 4 is connected to the crankshaft 3 at the outer periphery, and the annular portion 51 provided on the downwardly bent portion of the developer supply plate 5 is fitted around the outer circumference of the crank neck 33 to connect the developer supply plate 5 to the crankshaft, and is developed.
- the supply plates 4 and 5 are respectively provided with slits 42 and 52 to prevent interference with the two developer supply plates during the rotation of the crankshaft 3, and the axial lengths of the slits 42 and 52 are larger than the crank necks 33 and 32 of the corresponding segments thereof.
- the length, the width perpendicular to the axial direction corresponds to the distance between the crank necks 32 and 33 and the height of the bent portions of the developer supply plates 4 and 5.
- the lower surface of the developer supply plate 4 is provided with ribs 43 which extend in a straight line parallel to the central axis 31 and which function as a plucking developer.
- the ribs 43 are intermittently disposed, and are disposed perpendicularly to the central axis 31. Disconnect port (not shown).
- the free ends of the developer supply plates 4 and 5 are bent downwardly and inwardly to form ribs 43 and 53, respectively, at which the developer supply plates 4 and 5 are respectively provided with tabs 44 and 54, respectively.
- the other end of the elastic mechanism fixed at one end is connected, and the movement of the free ends of the developer supply plates 4 and 5 is restricted by the elastic mechanism.
- the crankshaft 3 receives the driving force to rotate, and the bell cranks 32 and 33 drive the annular portions 41 and 51 of the developer supply plates 4 and 5. Moving along the circumference of its rotation, the movement can be decomposed into a vertical movement and a horizontal movement, so that the developer supply plates 4 and 5 can be moved in the vertical direction and the horizontal direction to drive the carbon in the toner accommodating chamber. The movement of the powder.
- the developer conveying member in the present embodiment includes two crankshafts as rotating shafts, each of which is connected to a developer supply plate, and the structure of each of the crankshafts and the developer supply plate connected thereto is similar to that in the first embodiment.
- the ability of the developer conveying member to convey the developer is increased by providing two crankshafts and two developer supply plates.
- the developing cartridge has a flat shape and includes a casing 6 and a gear train 7 for driving the components therein.
- the internal structure of the developing cartridge is as shown in Fig. 4.
- the cartridge body 6 is provided with a developer accommodating chamber 64 having an opening for outwardly outputting the developer, and the developing roller 61 is rotatably located at the opening, and the powder feeding roller 62 and the powder discharging blade 63 are in surface contact with the developing roller 61.
- the developer accommodating chamber 64 has a developer conveying member and a stirring frame 65.
- the agitating frame 65 is located adjacent to the powder feeding roller 62 for agitating the developer conveying member. The developer is transferred to the powder feed roller 62.
- the developer conveying member is the structure in the first embodiment of the developer conveying member of the present invention, and includes a crankshaft 1 and a developer supply plate 2, which is away from the developing roller 61 side in the developer accommodating chamber 64, and has one end and the developer supply plate 2
- the tension spring 66 connected to the tab 24 is fixed to the fixing mechanism 67 at the other end.
- the gear train 7 receives the driving force to drive the developing roller 61, the powder feeding roller 62, the agitating frame 65, and the crankshaft 1 of the developer supply member to rotate.
- the developer supply plate 2 is vertically and horizontally moved by the crankshaft 1, and the developer in the developer accommodating chamber 64 moves with the developer supply plate 2 and the rib 23 thereon, with the crankshaft 1
- the developer supply plate 2 continuously conveys the developer in the developer accommodating chamber 64 to the agitating frame 65, and the agitating frame 65 rotates to move the developer to the powder feeding roller 62, and the powder feeding roller 62 continuously transfers the developer to the developing roller.
- 61, and the thickness of the developer on the developing roller 61 is adjusted by the powder discharging blade 63, and then the developing roller 61 conveys the developer to the image forming unit to complete the development.
- the developer supply plate 2 can be moved in the vertical and horizontal directions, the developer in the developer accommodating chamber 64 is not easily bonded, and the developer supply plate 2 is moved by the connection with the crankshaft 1, as long as the crankshaft 1 is rotated, the developer is supplied. The movement of the plate 2 is not stopped, so that the ability to convey the developer is not lowered, and when the developer in the developing cartridge is used up, the amount of the developer remaining in the developer accommodating chamber 64 is small.
- the structure of the developing cartridge in this embodiment is basically the same as that of the developing cartridge in the first embodiment, except that the developer conveying member is the structure in the second embodiment thereof.
- the developing roller 61 is rotatably located at the opening of the casing 6, the powder feeding roller 62 and the powder discharging blade 63 are in surface contact with the developing roller 61, and the developer accommodating chamber 64 has a developer conveying member and a stirring frame therein. 65.
- the developer conveying member is the structure in the second embodiment thereof, including the crankshaft 3 and the developer supply plates 4 and 5, and the inside of the developer accommodating chamber 64 having the one end and the developer supply plates 4 and 5 away from the developing roller 61 side.
- the two tension springs 66 are respectively connected to the 44 and 54, and the other end of the tension spring 66 is fixed to the fixing mechanism 67.
- the gear train 7 receives the driving force to drive the developing roller 61, the powder feeding roller 62, the stirring frame 65, and the crankshaft 3 of the developer supply member to rotate.
- the developer supply plates 4 and 5 are vertically and horizontally moved by the crankshaft 3, and the developer in the developer accommodating chamber 64 moves with the developer supply plates 4 and 5 and the ribs 43 and 53 with The rotation of the crankshaft 3, the developer supply plates 4 and 5 continuously convey the developer in the developer accommodating chamber 64 to the agitating frame 65, and the agitating frame 65 rotates to move the developer to the powder feeding roller 62, and the powder feeding roller 62 continuously develops
- the agent is transferred to the developing roller 61, and the thickness of the developer on the developing roller 61 is adjusted by the powder discharging blade 63, and then the developing roller 61 conveys the developer to the image forming unit to complete development.
- the structure of the developing cartridge in this embodiment is basically the same as that of the developing cartridge in the first embodiment, except that the developer conveying member is the structure in the third embodiment thereof, and the gear train is required to drive the two crankshafts.
- One end of the developer supply plate of the present invention is movably coupled to the crank neck of the crankshaft, and the developer supply plate does not rotate with the crankshaft, but the rotation of the crankshaft causes the developer supply plate to move in the vertical and horizontal directions.
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Abstract
一种显影剂供应构件,包括旋转轴和显影剂供应板(2)。旋转轴为曲轴(1)。显影剂供应板的一端具有套在所述曲轴的曲拐颈(12)外周使所述显影剂供应板与所述曲轴可活动地连接的部分。还提供一种显影盒,包括上述显影剂供应构件。
Description
本发明涉及一种电子照相成像设备用的显影盒内运送显影剂的显影剂运送构件,及安装有该显影剂运送构件的显影盒。本发明基于申请日为2011年12月19日、申请号为201110427896.8的中国发明专利申请,该申请的内容作为与本发明密切相关的参考文献引入本文。
电子照相成像设备内通常使用可拆卸的显影盒为其提供碳粉,以将感光部件上的静电潜像显影,然后转印至纸张等介质上形成可见图像。公开号为CN101241336A的中国发明专利申请公开了一种显影盒,其包括扁平形的盒体,盒体内具有容纳显影剂的显影剂容纳腔,受其内部空间的限制,显影剂容纳腔内运送显影剂的机构为一具有流动孔的显影剂供应板,其一端通过弹簧连接显影剂容纳腔内壁上,另一端具有突起部可与显影剂容纳腔内的旋转轴接触,旋转轴与显影剂供应板的突起部接触后推动显影剂供应板沿水平方向运动,在旋转轴与显影剂供应板脱离接触后,显影剂供应板在弹簧弹力作用下回复至原位置。随着旋转轴的旋转,显影剂供应板在水平方向上往复运动,通过其流动孔进行显影剂的运送。
但该显影剂供应板只沿水平方向运动,其上的流动孔极易堵塞,因而降低运送显影剂的能力,另外,显影剂易在显影剂供应板和显影剂容纳腔之间粘结,对显影剂供应板的运动构成阻碍,甚至使显影剂供应板停止运动,显影剂运送效率差。当显影盒内的显影剂由电子照相成像设备显示已用完时,显影剂容纳腔内实际上还残留较多的显影剂,造成资源的浪费和使用成本的增加。
本发明的主要目的是提供一种显影剂运送效率高的显影剂供应构件;
本发明的另一目的是提供一种安装有上述显影剂供应构件的显影盒。
为实现上述主要目的,本发明提供的显影剂供应构件包括旋转轴和显影剂供应板。其中,旋转轴为曲轴,显影剂供应板的一端具有套在所述曲轴的曲拐颈外周使所述显影剂供应板与所述曲轴可活动地连接的部分。
较具体的方案为显影剂供应板有多块,曲轴设有在径向以不同方向偏离旋转轴中心的曲拐颈,同一方向偏离旋转轴中心的曲拐颈对应于一块显影剂供应板。一根曲轴带动多块显影剂供应板运动,进一步增加运送显影剂的能力。
另一较具体的方案为显影剂供应板有多块,所述曲轴也相应有多根。多根曲轴带动多块显影剂供应板,以增加运送显影剂的能力。
又一较具体的方案为显影剂供应板上沿平行所述旋转轴的方向设有凸肋。在显影剂供应板运动过程中,凸肋可拨移显影剂,进一步增加显影剂供应板的运送显影剂的能力。
更具体的方案为凸肋上设有垂直于所述旋转轴方向的断开口。显影剂供应板运动时显影剂可从断开口处流动,显影剂不易堆积及粘结。
为实现上述另一目的,本发明提供的显影盒包括设有显影剂容纳腔的盒体,显影剂容纳腔具有将显影剂向外输出的开口,显影辊可旋转地设置在开口处,显影剂容纳腔内设置有包括旋转轴和显影剂供应板的显影剂供应构件,旋转轴为曲轴,显影剂供应板的一端具有套在曲轴的曲拐颈外周使显影剂供应板与曲轴可活动地连接的部分。
较具体的方案为显影剂供应板有多块,曲轴设有在径向以不同方向偏离旋转轴中心的曲拐颈,同一方向偏离旋转轴中心的曲拐颈对应于一块显影剂供应板。一根曲轴带动多块显影剂供应板运动,进一步增加运送显影剂的能力。
另一较具体的方案为显影剂供应板有多块,所述曲轴也相应有多根。多根曲轴带动多块显影剂供应板,以增加运送显影剂的能力。
又一较具体的方案为显影剂供应板上沿平行所述旋转轴的方向设有凸肋。在显影剂供应板运动过程中,凸肋可拨移显影剂,进一步增加显影剂供应板的运送显影剂的能力。
更具体的方案为凸肋上设有垂直于所述旋转轴方向的断开口。显影剂供应板运动时显影剂可从断开口处流动,显影剂不易堆积及粘结。
本发明的显影剂供应板可沿两个方向运动,且显影供应板必然因曲轴的转动而运动,运送效率提高,显影剂残留量低。
本发明的显影盒通过显影剂供应板沿两个方向运动,且显影供应板必然因曲轴的转动而运动,运送效率提高,显影剂残留量低。
图1是本发明显影剂运送构件第一实施例的立体图;
图2是本发明显影剂运送构件第二实施例的立体图;
图3是本发明显影盒第一实施例的主视图;
图4是图3的A-A剖视图,并顺时针旋转90度;
图5是本发明显影盒第二实施例的剖视图。
以下结合各实施例及其附图对本发明作详细说明。
显影剂运送构件第一实施例
如图1所示,显影剂供应构件包括作为旋转轴的曲轴1,其上设有在径向上沿一方向偏离中心轴11的两个曲拐颈12,显影剂供应板2的一端具有套在曲拐颈12外周使显影剂供应板与曲轴可活动地连接的两个环形部21,且在该端具有切口22以防止曲轴1旋转过程中与显影剂供应板2发生干涉,切口22的轴向长度大于与其对应段的中心轴11的长度,垂直于轴向的宽度与曲拐颈12偏离中心轴11的距离相对应。显影剂供应板2的下表面上设有沿平行于中心轴11的直线延伸的凸肋23,凸肋23可间断设置,其上设置有垂直于中心轴11的断开口(未示出)。可以理解的是,除了设置环形部,还可以有其他使显影剂供应板与曲轴可活动地连接的方式。显影剂供应板的另一端为自由端,自由端向下且向内弯折也形成凸肋23,在显影剂供应板2运动过程中,凸肋23起到拨移显影剂的作用。如需对该端部的运动进行限制时,可在该端部设置两个拉环24分别与一端固定的弹性机构的另一端连接,通过该弹性机构限制显影剂供应板2的自由端的运动。
在本实施例中的显影剂供应构件安装在碳粉容纳腔内进行工作时,曲轴1接受驱动力而转动,其曲拐颈12带动显影剂供应板2的环形部21沿其转动的圆周移动,该运动可以分解为竖直方向上的运动和水平方向的运动,从而整个显影剂供应板2都可作竖直方向和水平方向的运动,带动碳粉容纳腔内碳粉的移动。
显影剂运送构件第二实施例
如图2所示,显影剂供应构件包括作为旋转轴的曲轴3和两块显影剂供应板4和5,以进一步增加显影剂供应构件运送显影剂的能力。曲轴3上设有在径向上沿相对的两个方向偏离中心轴31的曲拐颈32和33,通过显影剂供应板4向上弯折的部分上设置的环形部41套在曲拐颈32的外周而使显影剂供应板4与曲轴3连接,显影剂供应板5向下弯折的部分上设置的环形部51套在曲拐颈33外周而使显影剂供应板5与曲轴连接,且显影剂供应板4和5上分别设有切口42和52以防止曲轴3旋转过程中与两块显影剂供应板发生干涉,切口42和52的轴向长度大于与其对应段的曲拐颈33和32的长度,垂直于轴向的宽度与曲拐颈32和33之间的距离及显影剂供应板4和5弯折部分的高度相对应。显影剂供应板4的下表面上设有沿平行于中心轴31的直线延伸的可起拨移显影剂的作用的凸肋43,凸肋43可间断设置,其上设置有垂直于中心轴31的断开口(未示出)。显影剂供应板4和5的自由端向下且向内弯折形成也分别形成凸肋43和53,在该自由端显影剂供应板4和5分别设有的拉环44和54,其分别与一端固定的弹性机构的另一端连接,通过该弹性机构限制显影剂供应板4和5的自由端的运动。
在本实施例中的显影剂供应构件安装在碳粉容纳腔内进行工作时,曲轴3接受驱动力而转动,其曲拐颈32和33带动显影剂供应板4和5的环形部41和51沿其转动的圆周移动,该运动可以分解为竖直方向上的运动和水平方向的运动,从而显影剂供应板4和5可作竖直方向和水平方向的运动,带动碳粉容纳腔内碳粉的移动。
显影剂运送构件第三实施例
本实施例中的显影剂运送构件包括两根作为旋转轴的曲轴,每根与一块显影剂供应板连接,每根曲轴和与其连接的显影剂供应板的结构与实施例一中的类似。通过设置两根曲轴和两块显影剂供应板以增加显影剂运送构件运送显影剂的能力。
显影盒第一实施例
如图3所示,显影盒呈扁平状,包括盒体6和驱动其内各构件的齿轮系7。显影盒的内部结构如图4所示,盒体6内设有显影剂容纳腔64,显影剂容纳腔具有将显影剂向外输出的开口,显影辊61可旋转地位于开口处,送粉辊62和出粉刀63与显影辊61表面接触,显影剂容纳腔64内具有显影剂运送构件和搅拌架65,搅拌架65位于邻近送粉辊62处,用于搅拌显影剂运送构件运送来的显影剂并传递至送粉辊62。显影剂运送构件为本发明显影剂运送构件第一实施例中的结构,包括曲轴1和显影剂供应板2,在显影剂容纳腔64内远离显影辊61侧,具有一端与显影剂供应板2的拉环24连接的拉簧66,其另一端固定在固定机构67上。
在本实施例中的显影盒安装至电子照相成像设备后,齿轮系7接收驱动力带动显影辊61、送粉辊62、搅拌架65和显影剂供应构件的曲轴1转动。显影剂供应板2在曲轴1的带动下作竖直和水平方向上的运动,显影剂容纳腔64内的显影剂随显影剂供应板2和其上的凸肋23移动,随着曲轴1的转动,显影剂供应板2不断把显影剂容纳腔64内的显影剂向搅拌架65运送,搅拌架65转动使显影剂移动至送粉辊62,送粉辊62不断把显影剂传递至显影辊61,并经过出粉刀63调节显影辊61上显影剂的厚度,然后显影辊61把显影剂运送至成像单元以完成显影。
由于显影剂供应板2可作竖直和水平方向的运动,显影剂容纳腔64内的显影剂不易粘结,显影剂供应板2因与曲轴1连接而运动,只要曲轴1转动,显影剂供应板2的运动便不会停止,因而其运送显影剂的能力不会降低,当指示显影盒内的显影剂用完时,显影剂容纳腔64内残留的显影剂量较少。
显影盒第二实施例
本实施例中的显影盒的结构基本与第一实施例中的显影盒相同,其不同之处在于显影剂运送构件为其第二实施例中的结构。
如图5所示,显影辊61可旋转地位于盒体6的开口处,送粉辊62和出粉刀63与显影辊61表面接触,显影剂容纳腔64内具有显影剂运送构件和搅拌架65。显影剂运送构件为其第二实施例中的结构,包括曲轴3和显影剂供应板4和5,显影剂容纳腔64内远离显影辊61侧具有一端与显影剂供应板4和5的拉环44和54分别连接的两根拉簧66,拉簧66的另一端固定在固定机构67上。
在本实施例中的显影盒安装至电子照相成像设备后,齿轮系7接收驱动力带动显影辊61、送粉辊62、搅拌架65和显影剂供应构件的曲轴3转动。显影剂供应板4和5在曲轴3的带动下作竖直和水平方向上的运动,显影剂容纳腔64内的显影剂随显影剂供应板4和5及凸肋43和53移动,随着曲轴3的转动,显影剂供应板4和5不断把显影剂容纳腔64内的显影剂向搅拌架65运送,搅拌架65转动使显影剂移动至送粉辊62,送粉辊62不断把显影剂传递至显影辊61,并经过出粉刀63调节显影辊61上显影剂的厚度,然后显影辊61把显影剂运送至成像单元以完成显影。
显影盒第三实施例
本实施例中的显影盒的结构基本与第一实施例中的显影盒相同,其不同之处在于显影剂运送构件为其第三实施例中的结构,且齿轮系需驱动两根曲轴。
可以理解的是,本发明的实施例不限于以上列举,凡采用等效变换等方式的技术方案都落在本发明的保护范围内。
本发明显影剂供应板的一端与曲轴的曲拐颈可活动地连接,显影剂供应板并不随曲轴转动,但曲轴的转动可致使显影剂供应板沿竖直及水平方向的运动。
Claims (10)
- 显影剂供应构件,包括旋转轴;显影剂供应板;其特征在于:所述旋转轴为曲轴;所述显影剂供应板的一端具有套在所述曲轴的曲拐颈外周使所述显影剂供应板与所述曲轴可活动地连接的部分。
- 根据权利要求1所述的显影剂供应构件,其特征在于:所述显影剂供应板有多块,所述曲轴设有在径向以不同方向偏离旋转轴中心的曲拐颈,同一方向偏离旋转轴中心的曲拐颈对应于一块显影剂供应板。
- 根据权利要求1所述的显影剂供应构件,其特征在于:所述显影剂供应板有多块,所述曲轴也相对应地有多根。
- 根据权利要求1至3任一项所述的显影剂供应构件,其特征在于:所述显影剂供应板上沿平行所述旋转轴的方向设有凸肋。
- 根据权利要求4所述的显影剂供应构件,其特征在于:所述凸肋上设有垂直于所述旋转轴方向的断开口。
- 显影盒,包括盒体,所述盒体内设有显影剂容纳腔,所述显影剂容纳腔具有将显影剂向外输出的开口;显影辊可旋转地设置在所述开口处;显影剂供应构件,设置在所述显影剂容纳腔内,包括旋转轴和显影剂供应板;其特征在于:所述旋转轴为曲轴;所述显影剂供应板的一端具有套在所述曲轴的曲拐颈外周使所述显影剂供应板与所述曲轴可活动地连接的部分。
- 根据权利要求6所述的显影盒,其特征在于:所述显影剂供应板有多块,所述曲轴设有在径向以不同方向偏离旋转轴中心的曲拐颈,同一方向偏离旋转轴中心的曲拐颈与一块显影剂供应板连接。
- 根据权利要求6所述的显影盒,其特征在于:所述显影剂供应板有多块,所述曲轴也相对应地有多根。
- 根据权利要求5至8任一项所述的显影盒,其特征在于:所述显影剂供应板上沿平行所述旋转轴的方向设有凸肋。
- 根据权利要求9所述的显影盒,其特征在于:所述凸肋上设有垂直于所述旋转轴方向的断开口。
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