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WO2013013572A1 - 碳粉盒 - Google Patents

碳粉盒 Download PDF

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Publication number
WO2013013572A1
WO2013013572A1 PCT/CN2012/078397 CN2012078397W WO2013013572A1 WO 2013013572 A1 WO2013013572 A1 WO 2013013572A1 CN 2012078397 W CN2012078397 W CN 2012078397W WO 2013013572 A1 WO2013013572 A1 WO 2013013572A1
Authority
WO
WIPO (PCT)
Prior art keywords
toner cartridge
coupling
transmission
coupling member
toner
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2012/078397
Other languages
English (en)
French (fr)
Inventor
黄宗仟
周宏辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Print Rite Unicorn Image Products Co Ltd
Original Assignee
Print Rite Unicorn Image Products Co Ltd
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 Print Rite Unicorn Image Products Co Ltd filed Critical Print Rite Unicorn Image Products Co Ltd
Priority to US14/233,806 priority Critical patent/US9063465B2/en
Priority to EP12817819.1A priority patent/EP2735917B1/en
Publication of WO2013013572A1 publication Critical patent/WO2013013572A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G03G15/0877—Arrangements for metering and dispensing developer from a developer cartridge into the development unit
    • G03G15/0881—Sealing of developer cartridges
    • G03G15/0886—Sealing of developer cartridges by mechanical means, e.g. shutter, plug
    • 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
    • G03G15/0865—Arrangements for supplying new developer
    • G03G15/0867—Arrangements for supplying new developer cylindrical developer cartridges, e.g. toner bottles for the developer replenishing opening
    • G03G15/087—Developer cartridges having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
    • 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
    • G03G15/0865—Arrangements for supplying new developer
    • G03G15/0867—Arrangements for supplying new developer cylindrical developer cartridges, e.g. toner bottles for the developer replenishing opening
    • G03G15/087—Developer cartridges having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
    • G03G15/0872—Developer cartridges having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge the developer cartridges being generally horizontally mounted parallel to its longitudinal rotational axis

Definitions

  • This invention relates to a toner cartridge for accepting driving of a rotary driving member of a printer, and more particularly to a toner cartridge having an improved drive receiving structure.
  • the present invention is based on a Chinese patent application filed on July 22, 2011, the application number of which is incorporated herein by reference.
  • the toner cartridge main body 100 has a cylindrical powder outlet 101.
  • the powder outlet 101 is provided with a coupling 110, and one end of the coupling 110 has a sealing powder.
  • the sealing portion 111 of the mouth 101, and the two claws 112 extending from the seal 111, the other end of the coupling 110 has a plurality of elastic walls 113, and the elastic wall 113 is provided with a hook-shaped projection 114.
  • the sealing portion 111 is sealed at the powder discharging port 101 of the toner cartridge, and the action is as follows: the toner cartridge is loaded into the machine, and the hook-shaped projection 114 of the coupling 110 follows the elastic wall 113.
  • the inner deformation is coupled with the rotary driving member 120 provided in the image forming apparatus, and the coupler 110 is fixed in the rotary driving member 120, and the toner cartridge main body 100 is pulled backward by operating the handle, thereby unsealing the seal of the coupling 110
  • the portion 111 opens the powder outlet 101; when the rotary driving member 120 provided in the image forming apparatus rotates, the side wall of the hook-shaped projection 114 of the coupler 110 receives the driving force to drive the toner cartridge to rotate.
  • the toner cartridge simplifies the driving structure, the toner cartridge causes the following problems.
  • the powder outlet 101 needs to be opened by using the operation handle, which increases the difficulty of the operation of the user, and is easy to cause the installation to be out of position, so that the powder outlet 101 cannot be opened;
  • the coupling between the coupling 110 and the toner cartridge main body 100 is realized by only two hooks 112, and the axial direction is not fixed, so that the operation of the toner cartridge main body 100 is not stable when rotated. Causes uneven powdering and may cause noise.
  • the technical problem to be solved by the present invention is to provide a toner cartridge with improved drive receiving structure for the above-mentioned defects of the existing toner cartridge, so that the structure of the toner cartridge is more reasonable and the driving is more stable.
  • the technical solution adopted by the present invention to solve the technical problem thereof is to construct a toner cartridge used in an image forming apparatus, and the toner cartridge includes:
  • the carbon powder discharge port includes a cylindrical section, one end of the cylindrical section is connected to the rotating container body, and the other end is provided with an end cover, and the cylinder section is provided with a carbon powder discharge hole
  • the end cap has a coupling member receiving portion formed by the end cover extending outward;
  • a sealing member disposed in the cylindrical section to open or close the toner discharge hole by axial movement
  • sealing member driving rod for driving the sealing member to move axially, the sealing member driving rod end is penetrated into the cylindrical portion by the end cover and connected to the sealing member, and the end cover has the a through hole through which the sealing member drives the rod;
  • the coupling member slidably coupled in the coupling member accommodating portion, the coupling member accommodating portion is rotated in accordance with the coupling member, the coupling member has a plurality of hook-shaped protrusions, and the side surface of the hook-shaped protrusion is a slope or a circle Curved surface
  • a transmission member slidably coupled to the coupling member, the coupling member being rotated in accordance with the transmission member, the transmission member having at least one transmission protrusion;
  • the driving structure further includes a rotation driving member disposed in the image forming apparatus, the rotation driving member including a ring wall and a driving shaft coaxial with the ring wall, the ring wall having a wall along the ring a circumferentially extending coupling hole;
  • the drive shaft pushes the seal member drive lever to axially move the seal member to open the toner discharge hole when the rotary drive member is coupled to the toner cartridge.
  • the side surface of the transmission projection has a triangular or circular arc shape.
  • the coupling member includes a disc-shaped base, and a plurality of coupling elastic arms formed by an edge of the base extending in the axial direction of the disc, the hook projections being formed At the end of the coupling elastic arm, the base is provided with a through hole through which the driving member of the sealing member passes.
  • the inner wall of the coupling member housing portion is provided with a rib extending in the axial direction, and the outer periphery of the base portion is provided with a sliding groove that engages with the rib.
  • the base has a positioning post formed by extending the base portion in the axial direction, and the transmission member has a bottom portion having a positioning hole that cooperates with the positioning post.
  • the bottom portion has a transmission elastic arm formed by the bottom portion, and the transmission projection is formed at an end of the transmission elastic arm, and the bottom portion further has a seal for the seal A through hole through which the component drive rod passes.
  • the sealing member includes an annular portion and a sleeve coaxial with the annular portion, and the sealing member driving rod is fixed in the sleeve.
  • the sleeve is provided with two opposite holes, and the end of the sealing member driving rod is provided with two elastic buckle portions, and the elastic buckle portion is buckled at In the hole.
  • the end portion of the seal member driving lever that engages with the drive shaft is provided with a recess, and the end portion of the drive shaft is conical.
  • the invention has the following beneficial effects: since the coupling component, the transmission component and the sealing component are separate and separate components, they perform their respective functions, ensure the stability of use, and can reduce the material requirements, so that they can be used more environmentally friendly.
  • the material is made; since the transmission member and the coupling member are movable in the axial direction relative to the coupling member housing portion 22, it is easier to use when rotating the operating handle, and the use is more convenient; the container portion of the toner cartridge and the rotary driving member of the developing device are The axial direction is relatively fixed, which is conducive to the smooth operation of the product.
  • Figure 1 is a schematic view of a conventional toner cartridge
  • Figure 2 is an exploded perspective view of an embodiment of the toner cartridge of the present invention, further showing a rotary driving member in the image forming apparatus;
  • Figure 3 is a partial enlarged view of Figure 2;
  • Figure 4 is an enlarged view of a transmission member in the embodiment of the toner cartridge of the present invention.
  • Figure 5 is an enlarged view of a coupling member in the embodiment of the toner cartridge of the present invention.
  • Figure 6 is a schematic view showing the toner cartridge of the present invention coupled to a rotary driving member
  • Fig. 7 is a schematic view showing the engagement of the coupling member, the transmission member and the rotary driving member when the toner cartridge of the present invention is moved rearward.
  • the toner cartridge of the present invention is used in an image forming apparatus such as a developing device such as a printer or a copying machine.
  • the toner cartridge includes a rotating container body 1 for accommodating toner which is rotatable about its axis under the driving of the rotary driving member of the developing device.
  • the rotating container body 1 is provided with a toner discharge opening 2 at its end, and the toner discharging opening 2 includes a cylindrical section 20 which is connected to the rotating container body 1 at one end and an end cap at the other end.
  • the cylindrical section 20 is provided with a toner discharge hole 201 through which the toner can be discharged to the cylindrical section 20 and discharged from the toner discharge opening 201 to the toner receiving portion of the image forming apparatus, the toner discharge hole A plurality of 201 may be provided, and the toner discharge hole 201 may be designed as a long hole extending in the circumferential direction of the cylindrical section 20.
  • the end cap has a coupling member receiving portion 22 formed to extend outwardly from the end cap for mating with the coupling member 5.
  • the toner hole 201 of the toner discharge port 2 is opened when the toner cartridge is loaded into the developing device, and is sealed when not in use. Therefore, a sealing member 3 is provided in the toner discharge port 2, and the sealing member 3 is disposed in the cylindrical section 20, and the toner discharge hole 201 on the cylindrical section 20 is opened or closed by the axial movement.
  • the sealing member 3 includes an annular portion 30 and a sleeve 31 coaxial with the annular portion 30. The sleeve 31 and the annular portion 30 are connected by a rib-like structure, and the annular portion 30 can be axially moved by the sealing member 3.
  • the toner discharge hole 201 is sealed or opened.
  • the sealing member 3 is moved by the driving of the sealing member driving rod 4, which may be a rod, for example, in the present embodiment, which is a round rod that drives one end of the rod 4
  • the end cap penetrates into the cylinder segment 20 and is connected to the sealing member 3, and the end cap has a through hole through which the sealing member driving rod 4 passes.
  • the sealing member driving rod 4 is inserted into the sleeve. 31 is connected to the sealing member 3, and the sleeve 31 is provided with two opposite holes 311.
  • the end of the sealing member driving rod 4 is provided with two elastic buckle portions 41, and the elastic buckle portion 41 is buckled in the hole 311. This makes assembly easy.
  • the toner cartridge further includes a coupling member 5 slidably coupled in the coupling member accommodating portion 22 of the toner discharge opening 2, and the coupling member accommodating portion 22 can be rotated following the coupling member 5, thereby The rotating container body 1 is rotated together.
  • the coupling member 5 includes a disc-shaped base portion 50, and a plurality of coupling elastic arms 52 formed by the edges of the base portion 50 extending in the axial direction of the disc 50, and the ends of each of the coupling elastic arms 52 are formed with hook-like projections.
  • the base portion 50 is provided with a through hole through which the sealing member driving rod 4 passes, and the side surface 511 of the plurality of hook-shaped projections 51 of the coupling member 5 is a sloped surface or a circular arc surface, so that when coupled with the rotary driving member 7,
  • the coupling member 5 serves only as a coupling and does not directly withstand the driving force of the rotary driving member 7.
  • the inner wall of the coupling member accommodating portion 22 of the toner discharge opening 2 is provided with an rib 221 extending in the axial direction.
  • the outer periphery of the base portion 50 is provided with a sliding groove 501 which cooperates with the rib 221, and the rib 221 may have several
  • the number of the chutes 501 is correspondingly several.
  • the ribs 211 are inserted into the sliding grooves 501, so that the coupling member 5 and the coupling member accommodating portion 22 are mutually restrained in the circumferential direction, and the coupling member accommodating portion 22 rotates together with the coupling member 5. .
  • the toner cartridge further has a transmission member 6 for transmitting a driving force from the rotary driving member 7, which is slidably coupled to the coupling member 5, and the coupling member 5 follows the transmission member 6.
  • the base portion 50 of the coupling member 5 has a positioning post 53 formed by the base portion 50 extending in the axial direction.
  • the transmission member 6 has a bottom portion 60 having a positioning hole that cooperates with the positioning post 53 and the positioning post 53 can be disposed. A plurality of positioning holes are evenly distributed along the circumferential direction of the base portion 50.
  • the positioning post 53 When the transmission member 6 is sleeved in the coupling member 5, the positioning post 53 is inserted into the positioning hole, and the positioning post 53 may be a polygonal prism or a cylinder. Thus, the transmission member 6 and the coupling member 5 are mutually constrained in the circumferential direction, and the coupling member 5 can be rotated together with the transmission member 6.
  • the transmission member 6 has a transmission elastic arm 62 formed by a bottom portion 60 thereof.
  • the transmission projection 61 is formed at the end of the transmission elastic arm 62.
  • the transmission elastic arm 62 may have several or one, and the transmission projection 61 also corresponds to several or One, the bottom portion 60 of the transmission member 6 also has a through hole through which the sealing member drive rod 4 passes.
  • the contour of the side surface 611 of the transmission projection 61 is preferably designed to be triangular or
  • the circular arc shape is a triangle in this embodiment.
  • the annular portion 30 of the sealing member 3 seals the toner discharge opening 201 on the toner discharge opening 2, and the coupling member 5 and the transmission member 6 are sealed.
  • the restriction member drives the end limit of the rod 4 to restrict the coupling member 5 and the transmission member 6 to the end of the toner discharge opening 2.
  • the driving structure of the toner cartridge is a rotary driving member 7, and the rotary driving member 7 is disposed in the image forming apparatus.
  • the rotary driving member 7 includes a ring wall 70, and a driving shaft 71 coaxial with the ring wall 70, the ring wall 70 and The drive shafts may be connected together by a rib or an end disc structure.
  • the ring wall 70 is provided with a coupling hole 701 extending along the circumferential direction of the ring wall 70.
  • the coupling hole 701 may be one or more, preferably two. The force of the drive structure is more uniform.
  • the driving shaft 71 of the driving member pushes the sealing member driving lever 4 so that the sealing member 3 is axially opposed to the toner discharge opening 2
  • the hook protrusion 51 of the coupling member 5 and the transmission protrusion 61 of the transmission member 6 are coupled with the coupling hole 701, that is, the hook protrusion 51 and the transmission protrusion 61 are located in the coupling hole 701.
  • the side surface 511 of the projection 51 is a sloped surface or a circular arc surface, and the deformation of the coupling elastic arm 52 is contracted in the radial direction by the guiding action of the side surface, so that the coupling member 5 does not directly receive the driving force transmitted from the rotary driving member 7.
  • the end portion of the seal member drive lever 4 that engages with the drive shaft 71 is provided with a recess, and the end portion of the drive shaft 71 is tapered.
  • the drive shaft 71 of the rotary driving member 7 of the developing device first pushes the sealing member driving lever 4 to retreat the sealing member 3, so that the toner discharge port
  • the toner discharge opening 201 of 2 is opened, and the coupling member 5 and the transmission member 6 are coupled to the rotary driving member 7 of the developing device, so that the toner cartridge cannot be self-detached rearward.
  • the rotating container body 1 of the toner cartridge is relatively fixed with the developing device moving member.
  • the operating handle is rotated, and the developing device moving member moves backward, thereby driving the rotating container body 1 of the toner cartridge backward.
  • the coupling member 5 of the toner cartridge and the transmission member 6 are movable in the axial direction of the rotary container body 1 of the toner cartridge, so that when the toner cartridge moves rearward, the coupling member 5 and the transmission member 6 can be opposed It is fixed in the rotary drive portion 7 of the developing device; when the developer rotates the drive member 7 to rotate, since the hook-like projection 51 of the coupling member 5 of the toner cartridge has a slope or a circular arc surface in the rotational direction of the rotary drive member 7 Therefore, the driving force cannot be applied to the coupling member 5, and acts directly on the transmission member 6 of the toner cartridge to drive the rotation of the toner cartridge so that the toner can be discharged from the powder outlet into the developing device.
  • the coupling member, the transmission member, and the sealing member are separate and separate members, they perform their respective functions, ensure the stability of use, and can reduce the material requirements, thereby making it possible to reduce the material requirements. It can be made of a more environmentally friendly material; since the transmission member and the coupling member can be axially moved relative to the toner discharge opening 2, it is easier to use when rotating the handle, and it is more convenient to use.
  • the coupling member, the transmission member, and the sealing member are separate and separate members, they perform their functions, ensure the stability of use, and can reduce the material requirements and make them usable. A more environmentally friendly material is produced; since the transmission member and the coupling member are axially movable relative to the toner discharge opening 2, it is easier to use the operating handle of the image forming apparatus, and is more convenient to use.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)

Abstract

一种碳粉盒，包括：旋转容器主体（1）、碳粉排放口（2）、密封部件（3）、联结部件（5）和传动部件（6）。碳粉排放口（2）设置在旋转容器主体（1）上，密封部件（3）设置在碳粉排放口（2）内，联结部件（5）与碳粉排放口（2）滑动连接，传动部件（6）与联结部件（5）滑动连接，传动部件（6）被驱动旋转时，传动部件（6）带动联结部件（5）、碳粉排放口（2）和旋转容器主体（1）一起旋转。

Description

碳粉盒
本发明涉及用于接受打印机旋转驱动部件驱动的碳粉盒，更具体地说，涉及一种改进了驱动接受结构的碳粉盒。本发明基于申请日为2011年07月22日、申请号为201110206041.2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。
图1为一种现有碳粉盒，碳粉盒主体100具有圆筒形的出粉口101，该出粉口101上设置有联结器110，该联结器110的一端具有用于密封出粉口101的密封部111，以及由密封111延伸出来的两个钩爪112，联结器110的另一端具有多条弹性壁113，弹性壁113上设有勾状凸起114。处于初始状态时，密封部111封堵于碳粉盒的出粉口101处，使用时动作如下：将碳粉盒装入到机器内，联结器110的勾状凸起114跟随弹性壁113向内变形而与设置在图像形成装置内的旋转驱动部件120耦合，联结器110固定在旋转驱动部件120内，通过操作手柄，将碳粉盒主体100向后拉动，从而拉开联结器110的密封部111，打开出粉口101；当设置在图像形成装置内的旋转驱动部件120旋转时，联结器110的勾状凸起114的侧壁接收驱动力而驱动碳粉盒旋转。
上述碳粉盒虽然简化了驱动结构，但使碳粉盒产生了如下问题。
1、因为驱动与联结都依靠勾状凸起114来实现，此勾状凸起114的底面以及侧面都需要承力，容易产生变形及损坏，使用不稳定，对零件的材料要求也加大，增加了材料成本；
2、出粉口101需要使用操作手柄进行拉开，加大了使用者的操作难度，容易造成安装不到位而使出粉口101无法打开；
3、出粉口101打开后，联结器110与碳粉盒主体100之间的联接仅依靠两个勾爪112来实现，而且轴向不固定，使碳粉盒主体100旋转时运行不平稳，造成出粉的不均匀及可能引起噪音。
 技术解决方案
本发明要解决的技术问题在于，针对现有碳粉盒的上述缺陷，提供一种改进了驱动接受结构的碳粉盒，使碳粉盒的结构更为合理，驱动更为平稳。
本发明解决其技术问题所采用的技术方案是：构造一种用在图像形成装置中的碳粉盒，所述碳粉盒包括：
一旋转容器主体，用以容纳碳粉；
碳粉排放口,所述碳粉排放口包括一圆筒段，所述圆筒段一端与所述旋转容器主体连接，另一端设有端盖，所述圆筒段上开有碳粉排放孔，所述端盖上具有由端盖向外延伸形成的联结部件收容部；
密封部件，设置在所述圆筒段内，通过轴向移动打开或关闭所述碳粉排放孔；
密封部件驱动杆，用于驱动所述密封部件轴向移动，所述密封部件驱动杆一端由所述端盖穿入到圆筒段内并和密封部件连接，所述端盖上具有供所述密封部件驱动杆穿过的通孔；
联结部件，滑动连接在所述联结部件收容部内，所述联结部件收容部跟随所述联结部件旋转，所述联结部件具有数个勾状凸起，所述勾状凸起的侧面为斜面或圆弧面；
传动部件，与所述联结部件滑动连接，所述联结部件跟随所述传动部件旋转，所述传动部件具有至少一个传动凸起；
所述驱动结构还包括一旋转驱动部件，设置在所述图像形成装置内，所述旋转驱动部件包括一环壁、以及与环壁同轴的驱动轴，所述环壁上开有沿环壁的周向延伸的耦合孔；
所述旋转驱动部件与所述碳粉盒联结时，所述驱动轴推动所述密封部件驱动杆使所述密封部件轴向移动打开所述碳粉排放孔。
在本发明所述的碳粉盒中，所述传动凸起的侧面的轮廓为三角形或圆弧形。
在本发明所述的碳粉盒中，所述联结部件包括一圆盘形的基部，以及由基部的边缘沿圆盘的轴向延伸形成的数个联结弹臂，所述勾状凸起形成于所述联结弹臂的末端，所述基部上设有供所述密封部件驱动杆穿过的通孔。
在本发明所述的碳粉盒中，所述联结部件收容部的内壁上设有沿轴向延伸的凸棱，所述基部的外周设有与所述凸棱配合的滑槽。
在本发明所述的碳粉盒中，所述基部具有由基部沿轴向方向延伸形成的定位柱，所述传动部件具有底部，所述底部具有与所述定位柱配合的定位孔。
在本发明所述的碳粉盒中，所述底部具有由所述底部延伸形成的传动弹臂，所述传动凸起形成于所述传动弹臂的末端，所述底部还具有供所述密封部件驱动杆穿过的通孔。
在本发明所述的碳粉盒中，所述密封部件包括一环形部以及与所述环形部同轴的套管，所述密封部件驱动杆固定在所述套管内。
在本发明所述的碳粉盒中，所述套管的上设有两个相对的孔，所述密封部件驱动杆的端部设有两个弹性扣部，所述弹性扣部卡扣在所述孔中。
在本发明所述的碳粉盒中，所述密封部件驱动杆与所述驱动轴配合的端部设有凹坑，所述驱动轴的端部为圆锥形。
本发明具有以下有益效果：由于联结部件、传动部件、密封部件是分开的单独部件，使其各司其职，保证了使用的稳定性，并且可以降低对材质的要求，使其可以使用更环保的材料进行制作；由于传动部件和联结部件可在轴向相对联结部件收容部22移动，使在旋转操作手柄时更容易，使用更方便；碳粉盒的容器部分与显影器的旋转驱动部件在轴向相对固定，利于产品的平稳运转。
下面将结合附图及实施例对本发明作进一步说明，附图中：
图1是现有碳粉盒的示意图；
图2是本发明的碳粉盒实施例的分解示意图，图中还示出了图像形成装置内的旋转驱动部件；
图3是图2的局部放大图；
图4是本发明的碳粉盒实施例中传动部件的放大图；
图5是本发明的碳粉盒实施例中联结部件的放大图；
图6是本发明的碳粉盒与旋转驱动部件耦合时的示意图；
图7是本发明的碳粉盒向后运动时，联结部件、传动部件与旋转驱动部件配合的示意图。
为了对本发明的技术特征、目的和效果有更加清楚的理解，现对照附图详细说明本发明的具体实施方式。
如图2、图3、以及图6和图7所示，本发明碳粉盒的一个优选实施例，该碳粉盒用在图像形成装置中，例如打印机或复印机等的显影器中。在该实施例中，碳粉盒包括一旋转容器主体1，该旋转容器主体1用以容纳碳粉，其在显影器的旋转驱动部件的驱动下可以绕其轴线旋转。
该旋转容器主体1的端部设置有一碳粉排放口2,该碳粉排放口2包括一圆筒段20，该圆筒段20一端与旋转容器主体1相连接，另一端设有端盖。圆筒段20上开有碳粉排放孔201，碳粉可以由旋转容器主体1流到圆筒段20并由该碳粉排放孔201排放到图像形成装置的碳粉接收部分，碳粉排放孔201可以设置多个，该碳粉排放孔201可以设计成沿圆筒段20的周向延伸的长条孔。端盖上具有由端盖向外延伸形成的联结部件收容部22，用于和联结部件5配合。
碳粉排放口2的碳粉孔201在碳粉盒装入显影器中时才会被打开，未使用时是密封的。因此，在碳粉排放口2内设有密封部件3，该密封部件3设置在圆筒段20内，通过轴向移动打开或关闭圆筒段20上的碳粉排放孔201。密封部件3包括一环形部30以及与环形部30同轴的套管31，套管31和环形部30之间通过肋板状的结构连接，环形部30在密封部件3做轴向移动时可以封住或打开碳粉排放孔201。密封部件3是依靠密封部件驱动杆4的驱动而移动的，该密封部件驱动杆4可以是杆状物，例如在本实施例中，其为一根圆杆，该密封部件驱动杆4的一端由端盖穿入到圆筒段20内并和密封部件3连接，端盖上具有供该密封部件驱动杆4穿过的通孔，在本实施例中，密封部件驱动杆4插入到套管31内与密封部件3连接，套管31的上设有两个相对的孔311，密封部件驱动杆4的端部设有两个弹性扣部41，弹性扣部41卡扣在孔311中，这样可以方便组装。
在本实施例中，该碳粉盒还包括一联结部件5，该联结部件滑动连接在碳粉排放口2的联结部件收容部22内，联结部件收容部22可以跟随该联结部件5旋转，从而带动旋转容器主体1一起旋转。该联结部件5包括一圆盘形的基部50，以及由基部50的边缘沿圆盘50的轴向延伸形成的数个联结弹臂52，每个联结弹臂52的末端形成有勾状凸起51，基部50上设有供密封部件驱动杆4穿过的通孔，联结部件5的数个勾状凸起51的侧面511为斜面或圆弧面，这样在与旋转驱动部件7耦合时，联结部件5仅起到联结的作用，而不直接承受旋转驱动部件7的驱动力。在碳粉排放口2的联结部件收容部22的内壁上设有沿轴向延伸的凸棱221，基部50的外周设有与所述凸棱221配合的滑槽501，凸棱221可以有数个，滑槽501也对应地为数个，配合时，凸棱211插入滑槽501中，这样联结部件5与联结部件收容部22在周向互相限位，联结部件收容部22跟随联结部件5一起旋转。
在本实施例中，碳粉盒还有一传动部件6，用于传递来自旋转驱动部件7的驱动力，该传动部件6与联结部件5滑动连接，联结部件5跟随传动部件6旋转。联结部件5的基部50具有由基部50沿轴向方向延伸形成的定位柱53，参见图4，传动部件6具有底部60，底部60具有与定位柱53配合的定位孔，定位柱53可以设置多个，沿基部50周向方向均布，定位孔也对应的为多个，传动部件6套在联结部件5内时，定位柱53插入到定位孔中，定位柱53可以是多棱柱或圆柱，这样传动部件6与联结部件5在周向互相限位，联结部件5可以跟随传动部件6一起旋转。该传动部件6具有由其底部60延伸形成的传动弹臂62，传动凸起61形成于传动弹臂62的末端，传动弹臂62可以有数个或一个，传动凸起61也对应的为数个或一个，传动部件6的底部60也有供密封部件驱动杆4穿过的通孔，为了方便传动部件6与旋转驱动部件7的离合，优选地将传动凸起61的侧面611的轮廓设计为三角形或圆弧形，在本实施例中为三角形。
碳粉盒的初始状态，即未装入到显影器中时，密封部件3的环形部30将碳粉排放口2上的碳粉排放孔201密封，联结部件5、以及传动部件6套在密封部件驱动杆4上，由密封部件驱动杆4端部限位台的限制，使联结部件5、以及传动部件6限制在碳粉排放口2的端部。
碳粉盒的驱动结构为一旋转驱动部件7，旋转驱动部件7设置在图像形成装置内，旋转驱动部件7包括一环壁70、以及与环壁70同轴的驱动轴71，环壁70和驱动轴可以通过肋板或端部圆盘结构连接在一起，环壁70上开有沿环壁70的周向延伸的耦合孔701，耦合孔701可以为一个，也可以为多个，优选两个，使驱动结构受力更为均匀。
当旋转驱动部件7与碳粉盒联结时，也即碳粉盒装入到显影器中时，驱动部件的驱动轴71推动密封部件驱动杆4，使密封部件3相对碳粉排放口2轴向移动打开碳粉排放孔201，联结部件5的勾状凸起51以及传动部件6的传动凸起61与耦合孔701相耦合，即勾状凸起51和传动凸起61都位于耦合孔701内，旋转驱动部件7转动时，耦合孔701的末端推动传动凸起61，使传动部件6接受来自旋转驱动部件7的驱动力，使传动部件6跟随旋转驱动部件7旋转，由于联结部件5的联结凸起51的侧面511为斜面或圆弧面，依靠该侧面的导向作用，使的联结弹臂52变形沿径向收缩，从而联结部件5不直接承受来旋转驱动部件7传来的驱动力。为方便驱动轴71与密封部件驱动杆4的配合，密封部件驱动杆4与驱动轴71配合的端部设有凹坑，驱动轴71的端部则设为圆锥形。
如图6和图7所示，碳粉盒装入显影器内时，显影器的旋转驱动部件7的驱动轴71先顶推密封部件驱动杆4，使密封部件3后退，这样碳粉排放口2的碳粉排放孔201被打开，并且联结部件5和传动部件6与显影器的旋转驱动部件7耦合，使碳粉盒无法自行向后脱开。碳粉盒装入到位后，碳粉盒的旋转容器主体1与显影器移动部件相对固定，此时旋转操作手柄，显影器移动部件向后运动，从而带动碳粉盒的旋转容器主体1向后运动；碳粉盒的联结部件5和传动部件6是可以相对碳粉盒的旋转容器主体1的轴向移动的，因此，当碳粉盒向后移动时，联结部件5和传动部件6可以相对固定在显影器的旋转驱动部7件内；当显影器旋转驱动部件7旋转时，因为粉盒的联结部件5的勾状凸起51在旋转驱动部件7的旋转方向上有一斜面或圆弧面，因此无法使驱动力作用在联结部件5上，而直接作用在碳粉盒的传动部件6上，带动碳粉盒的旋转，使碳粉能够从出粉口中排到显影器内。
在本发明的碳粉盒驱动结构中，由于联结部件、传动部件、密封部件是分开的单独部件，使其各司其职，保证了使用的稳定性，并且可以降低对材质的要求，使其可以使用更环保的材料进行制作；由于传动部件和联结部件可相对碳粉排放口2作轴向移动，使在旋转操作手柄时更容易，使用更方便。
上面结合附图对本发明的实施例进行了描述，但是本发明并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本发明的启示下，在不脱离本发明宗旨和权利要求所保护的范围情况下，还可做出很多形式，这些均属于本发明的保护之内。
在本发明的碳粉盒中，由于联结部件、传动部件、密封部件是分开的单独部件，使其各司其职，保证了使用的稳定性，并且可以降低对材质的要求，使其可以使用更环保的材料进行制作；由于传动部件和联结部件可相对碳粉排放口2作轴向移动，使在旋转图像形成装置的操作手柄时更容易，使用更方便。

Claims (9)

  1. 碳粉盒，用在图像形成装置中，其特征在于，包括：
    一旋转容器主体（1），用以容纳碳粉；
    碳粉排放口（2）,所述碳粉排放口（2）包括一圆筒段（20），所述圆筒段（20）一端与所述旋转容器主体（1）连接，另一端设有端盖，所述圆筒段（20）上开有碳粉排放孔（201），所述端盖上具有由端盖向外延伸形成的联结部件收容部（22）；
    密封部件（3），设置在所述圆筒段（20）内，通过轴向移动打开或关闭所述碳粉排放孔（201）；
    密封部件驱动杆（4），用于驱动所述密封部件（3）轴向移动，所述密封部件驱动杆（4）一端由所述端盖穿入到圆筒段（20）内并和密封部件（3）连接，所述端盖上具有供所述密封部件驱动杆（4）穿过的通孔；
    联结部件（5），滑动连接在所述联结部件收容部（22）内，所述联结部件收容部（22）跟随所述联结部件（5）旋转，所述联结部件（5）具有数个勾状凸起（51），所述勾状凸起（51）的侧面（511）为斜面或圆弧面；
    传动部件（6），与所述联结部件（5）滑动连接，所述联结部件（5）跟随所述传动部件（6）旋转，所述传动部件（6）具有至少一个传动凸起（61）；
    所述密封部件驱动杆（4）使所述密封部件（3）轴向移动打开所述碳粉排放孔（201）。
  2. 根据权利要求1所述的碳粉盒，其特征在于，所述传动凸起（61）的侧面（611）的轮廓为三角形或圆弧形。
  3. 根据权利要求1所述的碳粉盒，其特征在于，所述联结部件（5）包括一圆盘形的基部（50），以及由基部（50）的边缘沿圆盘（50）的轴向延伸形成的数个联结弹臂（52），所述勾状凸起（51）形成于所述联结弹臂（52）的末端，所述基部（50）上设有供所述密封部件驱动杆（4）穿过的通孔。
  4. 根据权利要求3所述的碳粉盒，其特征在于，所述联结部件收容部（22）的内壁上设有沿轴向延伸的凸棱（221），所述基部（50）的外周设有与所述凸棱（221）配合的滑槽（501）。
  5. 根据权利要求3所述的碳粉盒，其特征在于，所述基部（50）具有由基部（50）沿轴向方向延伸形成的定位柱（53），所述传动部件（6）具有底部（60），所述底部（60）具有与所述定位柱（53）配合的定位孔。
  6. 根据权利要求5所述的碳粉盒，其特征在于，所述底部（60）具有由所述底部（60）延伸形成的传动弹臂（62），所述传动凸起（61）形成于所述传动弹臂（62）的末端，所述底部（60）也具有供所述密封部件驱动杆（4）穿过的通孔。
  7. 根据权利要求1所述的碳粉盒，其特征在于，所述密封部件（3）包括一环形部（30）以及与所述环形部（30）同轴的套管（31），所述密封部件驱动杆（4）固定在所述套管（31）内。
  8. 根据权利要求7所述的碳粉盒，其特征在于，所述套管（31）上设有两个相对的孔（311），所述密封部件驱动杆（4）的端部设有两个弹性扣部（41），所述弹性扣部（41）卡扣在所述孔（311）中。
  9. 根据权利要求1所述的碳粉盒，其特征在于，所述密封部件驱动杆（4）与所述驱动轴（71）配合的端部设有凹坑，所述驱动轴（71）的端部为圆锥形。
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EP2735917A4 (en) 2015-04-08
EP2735917A1 (en) 2014-05-28
US20140169837A1 (en) 2014-06-19

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