WO2015067124A1 - 碳粉容器 - Google Patents

碳粉容器 Download PDF

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Publication number
WO2015067124A1
WO2015067124A1 PCT/CN2014/089006 CN2014089006W WO2015067124A1 WO 2015067124 A1 WO2015067124 A1 WO 2015067124A1 CN 2014089006 W CN2014089006 W CN 2014089006W WO 2015067124 A1 WO2015067124 A1 WO 2015067124A1
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WO
WIPO (PCT)
Prior art keywords
toner container
toner
cylindrical portion
container body
container according
Prior art date
Application number
PCT/CN2014/089006
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English (en)
French (fr)
Inventor
颜育文
Original Assignee
珠海天威飞马打印耗材有限公司
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Publication of WO2015067124A1 publication Critical patent/WO2015067124A1/zh

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Classifications

    • 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

Definitions

  • the present invention relates to the field of electrophotographic imaging, and more particularly to a toner container for supplying toner to an electrophotographic image forming apparatus.
  • the present invention is based on a Chinese utility model patent application filed on Nov. 11, 2013, with the application number 201320707930.1, the content of which is incorporated herein by reference.
  • An electrophotographic image forming apparatus is usually provided with an image processing unit and a developing unit for developing an electrostatic latent image formed on an image processing unit by using a developer such as toner supplied from a developing unit to form a visible image on a medium such as paper.
  • a developer such as toner supplied from a developing unit to form a visible image on a medium such as paper.
  • toner as a consumable needs to be continuously replenished into an electrophotographic image forming apparatus.
  • the toner is supplied to the developing unit by a toner container having a toner containing a certain amount of toner which is detachably mounted to the developing unit in the electrophotographic image forming apparatus.
  • the toner container 10 includes a container body 101 for containing toner, an end cap 102 mounted at the opening of the container body, and is provided to protrude away from the container body 101.
  • the cylindrical portion 103, the free end of the cylindrical portion 103 is provided with a driving portion 108 for receiving a driving force from the image forming apparatus to drive the toner container to rotate along its own central axis, and the peripheral wall of the cylindrical portion 103 is provided with a discharge chamber
  • the powder outlet 107 of the toner contained in the container body is described, and the powder outlet 107 is close to the driving portion 108.
  • the shutter member for opening and closing the powder outlet 107 includes a push rod 106 and a cylindrical sealing portion 109 fixedly connected to the push rod 106.
  • One end of the push rod 106 protrudes from a substantially central position of the driving portion 108 to form a gate driving portion.
  • the other end of the push rod 106 projects from the open end of the cylindrical powder feed member 104 and abuts against the spring 105.
  • the shutter driving portion In the case where the shutter driving portion is not pressed, the shutter member closes the powder outlet 107 under the restoring force of the spring 105, and when the toner container 10 is mounted to the electrophotographic image forming apparatus, the shutter driving portion is pressed to drive the shutter The piece moves against the restoring force of the spring 105, and the sealing portion 109 is removed from the powder outlet 107, thereby opening the powder outlet.
  • the end cap 102 of the above-mentioned toner container is separately manufactured from the cylindrical portion 103, and is welded together when assembled, so that a seal is required at the joint of the two, thereby complicating the assembly of the toner container and being highly prone to toner.
  • the powder outlet 107 is closer to the driving portion, the movement of the sealing portion 109 located in the cylindrical portion 103 is restricted by the cylindrical end wall 110, which may cause the sealing portion 109 to seal the powder outlet 107 to a small extent, resulting in toner. Leaked.
  • the sealing portion 109 is located in the passage of the toner from the container body 101 to the powder discharge port 107, and has a certain influence on the discharge of the carbon powder.
  • An object of the present invention is to provide a toner container having improved sealing performance.
  • the present invention provides a toner container for supplying toner to an image forming apparatus, comprising: a container body containing carbon powder; an end cap mounted at one end of the container body and closing an opening of the container body; a cylindrical portion having a fixed end connected to the end cover, the free end being provided with a driving portion for receiving a driving force from the image forming apparatus to drive the toner container to rotate along a central axis thereof, and the cylindrical portion is circumferentially disposed for discharging the contents of the container body
  • the powder outlet of the toner is set to be close to the driving part.
  • the end cap is integrally formed with the cylindrical portion, and an annular shutter member is disposed outside the cylindrical portion, and the annular shutter member is movable between an open position of opening the powder outlet and a closed position of closing the powder outlet.
  • the outer side of the cylindrical portion is further provided with a spring, one end of the spring abuts the end cover, and the other end abuts the annular shutter member for applying a restoring force to the annular shutter member to bring the annular shutter member into the closed position.
  • the center of the driving portion is provided with a guiding rod extending from the driving portion to the inside of the container body, and the powder feeding member is disposed at the opening, and the powder feeding member extends from the opening toward the inside of the container body, and the guiding rod passes through The powder feeding member extends in the direction of the central axis.
  • the driving portion can be axially fixed by the guide rod to prevent the driving portion from swaying in the circumferential direction.
  • a further more specific solution is that the two ends of the guide rod are provided with radial protruding portions respectively mating with the driving portion and the powder feeding member. The guide rod is prevented from being separated from the driving portion and the powder feeding member.
  • the guide bar is movable in the direction of the central axis.
  • the inner wall of the annular shutter member is provided with an elastic seal.
  • the elastic seal is in contact with the outer wall of the cylindrical portion under pressure to better seal the powder outlet.
  • the toner container further includes a protective cover, and the driving portion is housed in the protective cover, and the protective cover is removed before the toner container is mounted to the image forming apparatus. Prevent the drive portion of the toner container from being damaged before use.
  • the protective cover abuts the end cap.
  • the portion of the cylindrical portion near the end cap is provided with an external thread
  • the protective cover is provided with an internal thread that cooperates with the external thread
  • the portion of the cylindrical portion near the end cap is provided with a toothed portion
  • the protective cover is provided with teeth that mesh with the toothed portion
  • the invention has the remarkable improvement of the sealing effect and does not affect the advantage of the toner flowing to the powder outlet.
  • Figure 1 is a cross-sectional view of a conventional toner container
  • Figure 2 is a front elevational view of an embodiment of the present invention
  • Figure 3 is an exploded view of an embodiment of the present invention.
  • Figure 4 is a partial enlarged view taken along line A-A of Figure 2;
  • Figure 5 is a perspective view of a powder feeding member according to an embodiment of the present invention.
  • Figure 6 is a perspective view of a ring gate member according to an embodiment of the present invention.
  • Fig. 7 is a perspective view of a driving portion of an embodiment of the present invention.
  • the toner container for supplying toner to the image forming apparatus has a central shaft and a substantially cylindrical container body 1, and the end cap 2 is located at the upper end of the container body, and A gland 3 fixed to the end cap 2 and a protective cover 4 for protection.
  • the container body 1 is closed at the bottom, the upper portion has an opening 13, and the container body 1 has a spiral concave surface 11 extending from the bottom toward the opening 13 and an axial recess 12 adjacent to the opening when viewed from the outside.
  • the end cover 2 integral with the tubular portion 22 is attached to the opening 13, and the peripheral portion 21 is provided with a hook 211 for engaging with the container body 1.
  • the cylindrical portion 22 has a fixed end integrally formed with the end cover and a free end extending away from the end cover.
  • the cylindrical portion 22 is provided with an external thread 221 near the fixed end thereof, and the external thread 221 is further provided with a toothed portion 222.
  • the connection between the protective cover and the cylindrical portion can be performed in other manners, such as a buckle or the like.
  • a portion of the gland 3 that is matched with the image forming apparatus may be disposed and connected to the end cover 2. If the toner container is loaded into the image forming apparatus, the position of the gland 3 does not need to be matched with the image forming apparatus, and the toner container may not be set. cover.
  • the free end of the cylindrical portion 22 is provided with a driving portion fixing portion 24, and the driving portion 5 is mounted and fixed in the driving portion fixing portion 24, and is provided with a protrusion 51 for engaging with the driving force transmitting portion of the image forming apparatus to extract the image forming apparatus The driving force for driving the rotation of the toner container is received.
  • the cylindrical portion 22 is provided with two powder discharging ports 23 circumferentially adjacent to the driving portion 5, and the annular shutter member 6 is axially movable between an open position in which the powder discharging opening 23 is opened and a closed position in which the powder discharging opening 23 is closed.
  • One end of the spring 7 abuts the end cap 2 and the other end abuts against a radial projection 61 on the ring gate member 6 for biasing the ring gate member 6 in the closed position.
  • the container body 1 is further provided with a powder feeding member 9 extending from the opening 13 toward the inside of the container body 1, and also extending inward in the cylindrical portion 22 in the opposite direction.
  • the powder feeding member 9 includes an axially extending portion 94, a spiral portion 93 extending in a spiral shape from the inside of the container body 1 toward the opening 13 from the outer circumference toward the central axis, a cylindrical portion 92 at the central axis, and a setting At a circular plate 91 away from the end of the opening 13.
  • the guide rod 8 extends through the driving portion 5, the cylindrical portion 55, and the cylindrical portion 92 toward the inside of the container body 1, and is provided at the farthest end with a radially protruding fixing protrusion 81.
  • the guide rod 8 is also provided with a radially projecting protrusion 82 at the end of the driving portion, and the end is further provided with a recess 83 engageable with the projection of the image forming apparatus, and the fixing protrusion 81 and the protrusion 82 define the guide rod 8 The range in which the container body 1 and the cylindrical portion 22 move.
  • the cylindrical portion 22 is provided with a radially protruding and axially extending protrusion 223 for guiding the axial movement of the annular shutter member 6.
  • the inner wall of the annular shutter member 6 is provided with two radial directions corresponding to the position of the powder outlet.
  • the opposite ends of the elastic sealing member 62 are provided with axially extending fixing protrusions 63.
  • the adjacent fixing protrusions 63 of the two elastic sealing members 62 form a groove 64 which cooperates with the protrusion 223, so that The ring gate member 6 is axially movable along the projection 223.
  • the groove 64 is provided with a radially inwardly extending hook 641 near the fixed end side of the cylindrical portion 22, and when the spring applies a restoring force to the annular shutter member 6, the hook 641 abuts against the end of the protrusion 223 of the cylindrical portion 22, The ring gate member 6 is prevented from coming out of the closed position where the powder outlet is closed.
  • the free end of the cylindrical portion 22 is provided with a driving portion fixing portion 24, and is provided with a protrusion 242 and an opening 243 that cooperate with the driving portion 5, and a central position of the driving portion 5 is provided with a through hole 51, and a center position of the driving portion fixing portion 24
  • the through holes 241 are coaxially disposed for the guide rods 8 to pass through, and the outer wall of the guide rods 8 is fitted to the inner walls of the two through holes, so that the drive portion can be prevented from swinging in the radial direction.
  • the protective cover 4 is first rotated, the teeth 41 are disengaged from the toothed portion 222 of the cylindrical portion 22, and removed from the cylindrical portion 22, and then the toner container is mounted horizontally into the image forming unit.
  • the recess 83 at the end of the guide rod 8 abuts the projection in the image forming apparatus, and the guide rod 8 stops moving, as the toner container is further mounted.
  • the ring gate member 6 is abutted against the annular wall of the image forming apparatus to overcome the restoring force of the spring 7 to open the powder outlet port 23.
  • the projection 51 of the driving portion 5 is engaged with the driving force transmitting portion of the image forming apparatus, and the toner container is mounted in place.
  • the projection 82 of the guide rod 8 abuts against the end wall of the driving portion 5.
  • the driving portion 5 is disengaged from the driving force transmitting portion of the image forming apparatus, and the ring shutter member 6 is gradually separated from the annular wall in the image forming apparatus, and is closed by the restoring force of the spring 7.
  • the toner does not leak from the powder outlet 23, and the toner container can be taken out from the image forming apparatus.
  • the powder outlets may be disposed in one or more than one direction in the circumferential direction, as long as the annular gate members are provided with corresponding sealing portions; the annular gate members It is also possible to provide a notch in the circumferential direction as long as the sealing portion can close the powder outlet; the guide rod can also be set to be slightly shorter and not movable relative to the cylindrical portion; the structure of the powder feeding member can be used in carbon
  • the powder container rotates to guide the carbon powder to the powder outlet to move any other shape; the outer portion of the end cover can be combined with the container body in other manners; the spiral main surface is not disposed on the container body, and the powder feeding member extends from the opening. Go to the bottom of the container body and so on.
  • the end cover and the cylindrical portion are integrally formed, which can save the mold cost and make the assembly of the toner container simpler.
  • the annular shutter member is disposed on the outer side of the cylindrical portion, and the contact area with the cylindrical portion can be increased, and the movement thereof is not restricted by the end wall of the cylindrical portion.

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

Abstract

一种用于向成像设备供应碳粉的碳粉容器，包括容器主体（1）、端盖（2）和筒形部（22），筒形部（22）的固定端与端盖（2）相连接，自由端设置有驱动部分（5），用于从成像设备接收驱动力驱动碳粉容器沿其中心轴旋转，筒形部（22）周向上靠近驱动部分（5）设置有出粉口（23）。其中端盖（2）与筒形部（22）一体成型，筒形部（22）外侧设置有环形闸门件（6），环形闸门件（6）可在打开出粉口（23）的开启位置与关闭出粉口（23）的闭合位置之间移动。

Description

碳粉容器
本发明涉及电子照相成像领域，尤其是一种用于向电子照相成像设备供应碳粉的碳粉容器。本发明基于申请日为2013年11月11日、申请号为201320707930.1的中国实用新型专利申请，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设有图像处理单元和显影单元，利用显影单元提供的碳粉等显影剂，为图像处理单元上形成的静电潜像显影，以在纸张等介质上形成可见图像。其中碳粉作为消耗品，需要不断地向电子照相成像设备内补充。一般采用可拆卸地安装至电子照相成像设备内显影单元的具有容纳一定量碳粉的碳粉容器向显影单元提供碳粉。
现有的一种碳粉容器如图1所示，碳粉容器10包括用于容纳碳粉的容器主体101，安装在容器主体的开口处的端盖102，并设置有朝远离容器主体101突出的筒形部103，筒形部103的自由端设置有驱动部分108，用于从成像设备接收驱动力，驱动碳粉容器沿自身中心轴旋转，筒形部103的周壁上设置有用于排放所述容器主体内容纳的碳粉的出粉口107，出粉口107靠近驱动部分108。用于启闭出粉口107的闸门件包括推杆106及与推杆106固定连接的筒状的密封部109，推杆106的一端从驱动部分108的大致中心位置伸出，形成闸门驱动部，推杆106的另一端从圆筒状的送粉件104的开口端伸入，并与弹簧105抵接。在闸门驱动部不被抵压的情形下，闸门件在弹簧105的恢复力作用下关闭出粉口107，在碳粉容器10安装至电子照相成像设备时，闸门驱动部被抵压，带动闸门件克服弹簧105的恢复力而移动，密封部109从出粉口107处移开，从而打开出粉口。
上述碳粉容器的端盖102与筒形部103分开制造，组装时再焊接在一起，因此在二者连接处需要设置密封件，从而使碳粉容器的组装复杂化，极易出现碳粉的泄露。另外，由于出粉口107较靠近驱动部分，位于筒形部103内的密封部109的移动受筒形部端壁110限制，可能导致密封部109对出粉口107密封不严，造成碳粉的泄露。而且，密封部109位于碳粉从容器主体101流至出粉口107的通道内，会对碳粉的排放造成一定影响。
因此，需要一种密封性能更好的碳粉容器。
本发明的目的是提供一种密封性能改善的碳粉容器。
为实现上述主要目的，本发明提供的用于向成像设备供应碳粉的碳粉容器，包括：容器主体，其内容纳碳粉；端盖，安装在容器主体一端部并封闭容器主体的开口；筒形部，其固定端与端盖相连接，自由端设置有驱动部分，用于从成像设备接收驱动力驱动碳粉容器沿其中心轴旋转，筒形部周向上设置有用于排放容器主体内容纳的碳粉的出粉口，出粉口设置为靠近驱动部分。端盖与筒形部一体成型，筒形部外侧设置有环形闸门件，环形闸门件可在打开出粉口的开启位置与关闭出粉口的闭合位置之间移动。
较具体的方案为，筒形部外侧还设置有弹簧，弹簧一端与端盖抵接，另一端与环形闸门件抵接，用于向环形闸门件施加使环形闸门件处于闭合位置的恢复力。
更具体的方案为，驱动部分的中心设置有导向杆，导向杆从驱动部向容器主体内部延伸，开口处设置有送粉件，送粉件从开口向容器主体的内部延伸，导向杆穿过送粉件沿中心轴的方向延伸。利用导向杆可轴向固定驱动部分，防止驱动部分周向晃动。
进一步更具体的方案为，导向杆的两端设置有分别与驱动部分及送粉件配合的径向突出部分。防止导向杆与驱动部分及送粉件脱离。
更具体地，导向杆可沿所述中心轴的方向移动。
优选地，环形闸门件内壁设置有弹性密封件。弹性密封件在压力下与筒形部外壁接触，可更好地密封出粉口。
优选地，碳粉容器还包括保护盖，驱动部分容纳在保护盖内，在碳粉容器向成像设备安装前，除去保护盖。防止在使用前，碳粉容器的驱动部分受到破坏。
优选地，保护盖与端盖抵接。
优选地，筒形部靠近端盖的部分设置有外螺纹，保护盖上设置有与外螺纹配合的内螺纹。
优选地，筒形部靠近端盖的部分设置有齿形部，保护盖设置有与齿形部啮合的齿。
本发明具有密封效果显著改善，不会影响碳粉向出粉口流动的优点。
图1是现有碳粉容器的剖视图；
图2是本发明实施例的主视图；
图3是本发明实施例的分解图；
图4是沿图2中A-A剖切的局部放大图；
图5是本发明实施例的送粉件的立体图；
图6是本发明实施例的环形闸门件的立体图；
图7是本发明实施例的驱动部分的立体图。
下面结合实施例及其附图对本发明作详细说明。
如图2、图3和图4所示，用于向成像设备供应碳粉的碳粉容器有一个中心轴，且大致为圆筒状的容器主体1，端盖2位于容器主体上端，还有与端盖2固定的压盖3和起保护作用的保护盖4。其中，容器主体1底部封闭，上部具有开口13，而且，从外部看，容器主体1具有从底部向开口13延伸的螺旋内凹面11和邻近开口的轴向凹陷12。与筒形部22一体的端盖2安装在开口13处，外围部21上设置有卡钩211，用于与容器主体1卡合。筒形部22具有与端盖一体的固定端和远离端盖而延伸的自由端，筒形部22靠近其固定端的位置设置有外螺纹221，而外螺纹221上还设置有齿形部222，用于与保护盖4上的齿41啮合，齿形部222与齿41的啮合使筒形部22与保护盖4的连接不易松脱，而旋转保护盖4即可使其从筒形部22除下。可以理解的是，保护盖与筒形部的连接可采用其他方式，如卡扣等。
压盖3上可设置与成像设备配合的部分，并与端盖2连接，如碳粉容器装入成像设备后，压盖3所处的位置无需与成像设备配合，碳粉容器也可不设置压盖。筒形部22的自由端设置有驱动部分固定部24，驱动部分5安装并固定于驱动部分固定部24内，并设置有用于与成像设备的驱动力传递部分配合的突起51，以从成像设备接收驱动碳粉容器旋转的驱动力。筒形部22靠近驱动部分5处沿周向设置有两个出粉口23，环形闸门件6可在打开出粉口23的开启位置与关闭出粉口23的闭合位置之间沿轴向 移动。弹簧7一端与端盖2抵接，另一端与环形闸门件6上的径向突起61抵接，用于偏压环形闸门件6，使其处于闭合位置。
容器主体1内还设置有送粉件9，从开口13向容器主体1内部延伸，而且还可沿相反方向向筒形部22内延伸。送粉件9包括轴向延伸部分94、呈螺旋状并沿从容器主体1内部向开口13的方向从外周径向朝中心轴延伸的螺旋部分93、位于中心轴处的圆筒部分92及设置在远离开口13的端部的圆形板91。导向杆8穿过驱动部分5、筒形部55、圆筒部分92向容器主体1内延伸，并在最远端设置有径向突出的固定突起81。导向杆8位于驱动部分的端部也设置有径向突出的突起部82，且末端还设置有可与成像设备的凸出部配合的凹陷83，固定突起81和突起部82限定了导向杆8相对容器主体1和筒形部22移动的范围。
图5、图6和图7示出了端盖2与环形闸门件6及驱动部分5之间相互配合的结构。筒形部22上设置有径向突出并轴向延伸的突起223，用于引导环形闸门件6的轴向移动，环形闸门件6的内壁上对应于出粉口的位置设置有2个径向相对的弹性密封件62，弹性密封件62的两端部设置有轴向延伸的固定突起63，两弹性密封件62的相邻的固定突起63之间形成与突起223配合的凹槽64，使环形闸门件6能沿突起223轴向移动。凹槽64靠近筒形部22固定端侧设置有径向向内延伸的钩641，在弹簧施加恢复力至环形闸门件6时，钩641与筒形部22的突起223的端部抵接，使环形闸门件6不会从关闭出粉口的闭合位置脱出。
筒形部22的自由端设置有驱动部分固定部24，并设置有与驱动部分5配合的突起242和开口243，驱动部分5的中心位置设置有通孔51，与驱动部分固定部24中心位置的通孔241同轴设置，用于供导向杆8穿过，导向杆8的外壁与两通孔的内壁贴合，从而可以防止驱动部分径向摆动。
在碳粉容器使用时，先旋转保护盖4，使齿41与筒形部22的齿形部222脱离啮合，并从筒形部22上取下，然后将碳粉容器沿水平方向安装入成像设备内，其中碳粉容器的轴向与水平方向平行，导向杆8端部的凹陷83与成像设备内的凸出部抵接，导向杆8停止移动，随着碳粉容器的进一步的安装动作，环形闸门件6受成像设备的环形壁抵接克服弹簧7的恢复力而打开出粉口23，驱动部分5的突起51与成像设备的驱动力传递部分啮合，碳粉容器安装到位，此时，导向杆8的突起部82与驱动部分5的端壁抵接。进行成像工作时，驱动部分5从成像设备接收驱动力而驱动碳粉容器沿其中心轴旋转，容器主体1内的碳粉沿螺旋内凹面11从容器主体1内部向送粉件9移动，并受送粉件9的引导经筒形部22向出粉口23移动，并从出粉口23排入成像设备的显影单元内，从而进行碳粉的供应。
碳粉容器从成像设备内拆卸时，驱动部分5与成像设备的驱动力传递部分脱离啮合，环形闸门件6逐渐与成像设备内的环形壁脱离，并在弹簧7的恢复力的作用下关闭出粉口23，碳粉不会从出粉口23泄露，碳粉容器可从成像设备内取出。
可以理解的是，本发明并不限制于以上的特定实施例，如出粉口可以设置为沿周向的一个或三个以上，只要环形闸门件设置出相应的密封部分即可；环形闸门件也可设置有周向上有缺口，只要其密封部分能使出粉口闭合即可；导向杆也可设置成稍短而不可相对筒形部移动；送粉件的结构可为能起到在碳粉容器旋转时引导碳粉向出粉口移动的其他任意形状；端盖的外围部与容器主体的配合方式也可采用其他方式；容器主体上不设置螺旋内凹面，送粉件从开口一直延伸到容器主体底部等等。
由本发明的技术方案可见，端盖与筒形部一体成型，可节省模具成本，而且使碳粉容器的组装更为简单。环形闸门件设置在筒形部的外侧，与筒形部的接触面积可加大，而且其移动不受筒形部端壁的限制。

Claims (10)

  1. 碳粉容器，用于向成像设备供应碳粉，包括：
    容器主体，其内容纳碳粉；
    端盖，安装在所述容器主体一端部，封闭所述容器主体的开口；
    筒形部，所述筒形部的固定端与所述端盖相连接，所述筒形部的自由端设置有驱动部分，用于从所述成像设备接收驱动力驱动所述碳粉容器沿其中心轴旋转，所述筒形部周向上设置有用于排放所述容器主体内容纳的碳粉的出粉口，所述出粉口设置为靠近所述驱动部分；
    其特征在于：
    所述端盖与所述筒形部一体成型，所述筒形部外侧设置有环形闸门件，所述环形闸门件可在打开所述出粉口的开启位置与关闭所述出粉口的闭合位置之间移动。
  2. 根据权利要求1所述的碳粉容器，其特征在于：
    所述筒形部外侧还设置有弹簧，所述弹簧一端与所述端盖抵接，另一端与所述环形闸门件抵接，用于向所述环形闸门件施加使所述环形闸门件处于所述闭合位置的恢复力。
  3. 根据权利要求2所述的碳粉容器，其特征在于：
    所述驱动部分的中心设置有导向杆，所述导向杆从所述驱动部向所述容器主体的内部延伸；
    所述开口处设置有送粉件，所述送粉件从所述开口向所述容器主体的内部延伸；
    所述导向杆穿过所述送粉件沿所述中心轴的方向延伸。
  4. 根据权利要求3所述的碳粉容器，其特征在于：
    所述导向杆的两端设置有分别与所述驱动部分及所述送粉件配合的径向突出部分。
  5. 根据权利要求4所述的碳粉容器，其特征在于：
    所述导向杆可沿所述中心轴的方向移动。
  6. 根据权利要求1至5任一项所述的碳粉容器，其特征在于：
    所述环形闸门件的内壁设置有弹性密封件。
  7. 根据权利要求1至5任一项所述的碳粉容器，其特征在于：
    所述碳粉容器还包括保护盖，所述驱动部分容纳在所述保护盖内，在所述碳粉容器向所述成像设备安装前，除去所述保护盖。
  8. 根据权利要求7所述的碳粉容器，其特征在于：
    所述保护盖与所述端盖抵接。
  9. 根据权利要求8所述的碳粉容器，其特征在于：
    所述筒形部靠近所述端盖的部分设置有外螺纹，所述保护盖上设置有与所述外螺纹配合的内螺纹。
  10. 根据权利要求8所述的碳粉容器，其特征在于：
    所述筒形部靠近所述端盖的部分设置有齿形部，所述保护盖设置有与所述齿形部啮合的齿。
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