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WO2018103393A1 - 处理盒 - Google Patents

处理盒 Download PDF

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Publication number
WO2018103393A1
WO2018103393A1 PCT/CN2017/101157 CN2017101157W WO2018103393A1 WO 2018103393 A1 WO2018103393 A1 WO 2018103393A1 CN 2017101157 W CN2017101157 W CN 2017101157W WO 2018103393 A1 WO2018103393 A1 WO 2018103393A1
Authority
WO
WIPO (PCT)
Prior art keywords
bracket
powder
limiting member
driving force
force receiving
Prior art date
Application number
PCT/CN2017/101157
Other languages
English (en)
French (fr)
Inventor
林传江
Original Assignee
珠海市汇威打印机耗材有限公司
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 珠海市汇威打印机耗材有限公司 filed Critical 珠海市汇威打印机耗材有限公司
Priority to US16/461,414 priority Critical patent/US10802439B2/en
Publication of WO2018103393A1 publication Critical patent/WO2018103393A1/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
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical 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
    • G03G21/1839—Means for handling the process cartridge in the apparatus body
    • G03G21/1857—Means for handling the process cartridge in the apparatus body for transmitting mechanical drive power to the process cartridge, drive mechanisms, gears, couplings, braking mechanisms
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical 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
    • G03G21/1839—Means for handling the process cartridge in the apparatus body
    • G03G21/1857—Means for handling the process cartridge in the apparatus body for transmitting mechanical drive power to the process cartridge, drive mechanisms, gears, couplings, braking mechanisms
    • G03G21/1864—Means for handling the process cartridge in the apparatus body for transmitting mechanical drive power to the process cartridge, drive mechanisms, gears, couplings, braking mechanisms associated with a positioning function
    • 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
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0812—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer regulating means, e.g. structure of doctor blade
    • 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
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0813—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by means in the developing zone having an interaction with the image carrying member, e.g. distance holders
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical 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
    • G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
    • G03G21/1814—Details of parts of process cartridge, e.g. for charging, transfer, cleaning, developing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1651—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
    • G03G2221/1657—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts transmitting mechanical drive power

Definitions

  • the present invention relates to a process cartridge used in an image forming apparatus.
  • the process cartridge is a cartridge detachably loaded into the main body of the image forming apparatus, and the process cartridge as an integral unit includes a housing, a photosensitive drum, a developing roller, and the like.
  • the process cartridge is detachable relative to the device host for easy maintenance of the device.
  • An image forming apparatus using an electrophotographic image forming apparatus operates as follows: a photosensitive drum that has been uniformly charged by a charging unit is selectively exposed by light of an image forming apparatus to form an electrostatic latent image, which is used by a developing roller The toner is developed into a toner image, and the formed toner image is transferred onto a recording medium by a transferer, and finally an image is formed on the recording medium.
  • the process cartridge is mounted in the image forming apparatus, and if the developing roller is in close contact with the photosensitive drum on the image forming apparatus for a long time, the developing roller may contaminate the photosensitive drum on the image forming apparatus, thereby causing print quality defects.
  • the assembly and image forming device are separated and engaged.
  • An object of the present invention is to provide a process cartridge which can realize separation and contact between a developing roller and an image forming apparatus.
  • a process cartridge detachably mounted in an image forming apparatus comprising:
  • a driving force receiving component for receiving a driving force of the image forming apparatus and driving the developing roller to rotate
  • first limiting member and a second limiting member disposed at the bottom of the powder bin, wherein the first limiting member and the second limiting member are movable relative to the powder cartridge in a direction perpendicular to the axial direction of the driving force receiving component;
  • the driving force receiving head of the driving force receiving assembly can be moved in the axial direction thereof.
  • the driving force receiving head of the driving force receiving component can protrude outwardly along the axial direction thereof; the first limiting position
  • the driving force receiving head of the driving force receiving assembly can be contracted inward in the axial direction thereof.
  • the first limiting member is disposed on one axial side wall of the powder bin through a rotating shaft, and the sidewall of the powder bin is further provided with a first card position, and the first limiting member and the powder bin Provided between the first spring, the first spring is in a pre-compressed state, so that the first limiting member abuts against the first clamping position; there is an external force such that the first limiting member overcomes the When the first spring is pre-compressed, the first limiting member can be disengaged from the first clamping position, rotate forward relative to the powder magazine about the rotating shaft, and further compress the first spring;
  • the second limiting member is disposed on the other axial side wall of the powder bin through the rotating shaft, and the sidewall of the powder bin is further provided with a second card position, and the second limiting member and the powder bin are disposed between the second limiting member and the powder bin a second spring, the second spring is in a pre-compressed state, so that the first limiting member abuts against the second clamping position;
  • the driving force receiving component includes a driving force receiving head, a return spring, a driving block, a driving gear, a positioning bracket and a limiting bracket; the positioning bracket and the driving gear are opposite to the powder in the axial direction of the driving force receiving component
  • the first limiting member is connected to the positioning bracket through a connecting rod, and can drive the positioning bracket to rotate axially around the driving force receiving component through a connecting rod; the limiting bracket is disposed at the positioning On the bracket, the positioning bracket has a pushing protrusion protruding in the axial direction of the driving force receiving component, and the pushing protrusion has a top surface of the positioning bracket and pushing a moving inclined surface of the top surface of the protruding portion, the bottom of the limiting bracket is provided with a protrusion abutting the positioning bracket, and when the positioning bracket rotates about the axial direction of the driving force receiving assembly, the protruding portion of the limiting bracket can be along The moving slope moves between the top surface of the positioning bracket and the top surface of the pushing pro
  • the pushing protrusion is disposed on an outer edge of the positioning bracket.
  • the first limiting member and the second limiting member can drive the powder magazine and the developing roller to move under the pushing of the image forming apparatus.
  • the invention provides a limiting member at the bottom of the powder bin, and the limiting member can push the powder cartridge and the developing roller to contact or separate from the photosensitive drum on the image forming device, and the photosensitive roller on the developing roller and the image forming device While the drum is in contact with or separated, the driving force receiving head of the driving force receiving component of the stopper controlling the process cartridge protrudes outward or retracts to engage or disengage with the driving portion of the image forming apparatus, thereby realizing development After the end, the developing roller and the photosensitive drum of the image forming apparatus can be separated to prevent the developing roller from coming into contact with the photosensitive drum for a long time, contaminating the photosensitive drum on the image forming apparatus, causing print quality defects.
  • a process cartridge detachably mounted in an image forming apparatus comprising:
  • a driving force receiving component for receiving a driving force of the image forming apparatus and driving the developing roller to rotate
  • the powder silo being movably disposed on the bracket along an axial direction of the driving force receiving assembly
  • first limiting member and a second limiting member disposed on the bracket, wherein the first limiting member and the second limiting member are movable relative to the bracket in a direction perpendicular to the axial direction of the driving force receiving assembly;
  • the powder cartridge can be moved in the axial direction of the driving force receiving assembly relative to the bracket.
  • the powder cartridge can be brought closer to or away from the power portion of the image forming apparatus in the axial direction of the driving force receiving component with respect to the bracket.
  • the powder container can be received along the driving force
  • the axial direction of the assembly is away from the power portion of the image forming apparatus.
  • a powder silo moving spring is disposed between at least one side wall of the powder silo and the bracket, and the silo moving spring can bring the powder silo close to or away from the power portion of the image forming apparatus.
  • the first limiting member is connected with a first pendulum rod, and the first limiting member and the first pendulum rod are connected to the axial side wall of the bracket through the rotating shaft, between the first limiting member and the powder chamber a first spring is disposed, the two ends of the first spring respectively abut the first limiting member and the bracket; the second limiting member is connected with the second swinging rod, and the second limiting member and the second swinging rod pass through the rotating shaft
  • the second spring is disposed between the second limiting member and the bracket, and the two ends of the second spring respectively abut against the second limiting member and the bracket.
  • a first gap is formed between the side wall of the bracket provided with the first limiting member and the side wall of the powder container on the side, and between the side wall of the bracket provided with the second limiting member and the side wall of the powder container on the side Having a second gap; when the first limiting member rotates, the first pendulum rod can be driven to enter or exit the first gap, and when the second limiting member rotates, the second pendulum rod can be driven into or Exit the second gap.
  • the second swing bar exits the second gap; when the second swing bar breaks into the second gap, the first swing bar Exit the first gap.
  • the utility model further includes a powder silo shift control component, the powder silo shift control component is disposed between the sidewall of the powder silo and the bracket, and the silo shift control component comprises a slider, a first movable pole, and a a movable rod and a slider spring; one end of the slider spring is fixed on the bracket, and the other end is connected with the slider, and when the external force is caused to overcome the elastic force of the slider spring, the slider can Moving relative to the side wall of the bracket; the slider is further connected with a movable rod rotating shaft, wherein the first movable rod and the second movable rod are rotatably connected to the movable rod rotating shaft, and the first movable rod is away from the One end of the movable rod rotating shaft is in contact with or hinged with the side wall of the powder box, and one end of the second movable rod away from the rotating shaft of the movable rod is in contact with or hinged with the bracket; when the slider drives the moving rod to rotate the
  • an angle between the first movable rod and the second movable rod is minimum; when the slider spring is subjected to an external force to generate a maximum deformation amount, the first The angle between the movable rod and the second movable rod is the largest.
  • the powder silo shift control component is disposed between the axial side wall of the powder silo away from the driving force receiving component and the bracket,
  • the powder silo moving spring is disposed between the axial side wall of the powder silo mounted with the driving force receiving component and the bracket.
  • the powder silo shift control component is disposed between the axial side walls of the powder silo and the bracket, and the powder silo shift control component on the same side of the driving force receiving component is the first a control assembly, the powder silo shift control assembly on a side opposite to the driving force receiving component is a second control component; the first movable lever and the second movable lever of the first control component are at a maximum clamp In the angular state, the first movable lever and the second movable lever of the second control component are in a minimum angle state; the first movable lever and the second movable lever of the first control component When in the minimum angle state, the first movable lever and the second movable lever of the second control component are in a maximum angle state.
  • the first limiting member is connected to the first swinging bar
  • the second limiting member is connected to the second swinging bar
  • the first swinging bar and the second swinging bar are respectively corresponding to the corresponding side
  • the slider of the powder silo shift control assembly is connected; when the first limiting member rotates, the first swing lever can be rotated to drive the slider movement of the powder silo shift control component on the corresponding side; When the second limiting member rotates, the second swinging lever can be rotated to drive the slider movement of the powder compartment displacement control component on the corresponding side.
  • the second movable rod is integrally formed with the movable rod rotating shaft to form a T-shaped rod.
  • the vertical rod of the T-shaped rod is the movable rod rotating shaft, and the end of the horizontal rod of the T-shaped rod is hinged to the
  • the bracket is provided with a ferrule, and the ferrule is sleeved on the rotating shaft of the movable rod, and the sliding rod can drive the rotating shaft of the movable rod to move.
  • the movable rod rotating shaft is fixedly disposed on the slider and moves with the sliding block; one end of the second movable rod is sleeved on the rotating shaft of the movable rod, and is rotatable around the rotating shaft of the movable rod; one end of the first movable rod is sleeved It is on the rotating shaft of the movable rod and can be rotated around the rotating shaft of the movable rod.
  • the axis of the movable rod rotating shaft is perpendicular to the axial direction of the driving force receiving assembly and perpendicular to the moving direction of the sliding rod; under the action of the slider spring and the external force, the sliding rod can be along Reciprocating perpendicular to the axial direction of the driving force receiving assembly.
  • the present invention includes a bracket and a powder bin, and a limit is set at the bottom of the bracket.
  • the limiting member can drive the movement of the powder magazine, the developing roller or the photosensitive drum under the pushing of the image forming apparatus; the powder magazine can move axially relative to the bracket along the driving force receiving component rotation axis, so that the driving force receiving component and The photosensitive drum on the image forming apparatus is contacted or separated, so that the developing roller and the photosensitive drum of the image forming apparatus can be separated after the development is completed, and the developing roller is prevented from coming into contact with the photosensitive drum for a long time, contaminating the photosensitive drum on the image forming apparatus.
  • FIG. 1 is a schematic structural view of a process cartridge according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic structural view of a first action component of Embodiment 1;
  • FIG. 3 is a schematic structural view of a second action component of Embodiment 1;
  • FIG. 4a is a schematic structural view of a driving force receiving assembly of Embodiment 1;
  • 4b is a schematic exploded view of the driving force receiving assembly of Embodiment 1;
  • FIG. 5 is a schematic view showing the connection between the first action component and the driving force receiving component of Embodiment 1;
  • FIG. 6 is a schematic diagram showing the connection between the first action component and the driving force receiving component of the first embodiment
  • Figure 7a is a schematic exploded view showing the driving force receiving assembly of Embodiment 1 outwardly;
  • Figure 7b is a schematic view showing the driving force receiving assembly of Embodiment 1 outwardly;
  • FIG. 8 is a schematic view showing the first action component controlling the driving force receiving head to extend to a maximum position in the first embodiment
  • FIG. 9 is a schematic structural view of a process cartridge according to Embodiment 2 of the present invention.
  • Figure 10a is a schematic exploded view of the powder bin and the bracket
  • Figure 10b is an enlarged schematic view of a portion A of Figure 10a;
  • Figure 11a is a schematic exploded view of the powder bin and the bracket at another angle
  • Figure 11b is an enlarged schematic view of a portion B of Figure 11a;
  • Figure 12 is a schematic view showing the powder bin sliding relative to the bracket to the outermost position in the direction of the rotation axis L;
  • Figure 13 is a schematic structural view of a process cartridge according to Embodiment 3 of the present invention.
  • Figure 14a is a schematic exploded view of the powder bin and the bracket
  • Figure 14b is an enlarged schematic view of a portion C of Figure 14a;
  • Figure 15a is a schematic view showing the operation of the slider and the first and second movable rods when the powder compartment is farthest from the driving portion of the image forming apparatus;
  • Figure 15b is a schematic view showing the operation of the slider and the first and second movable rods when the powder compartment is closest to the driving portion of the image forming apparatus;
  • Figure 16 is a schematic view showing the structure of the slider and the first and second movable bars when the powder bin is farthest from the driving portion of the image forming apparatus;
  • Figure 17 is a schematic view showing the structure of the slider and the first and second movable rods when the powder compartment is closest to the driving portion of the image forming apparatus;
  • Fig. 18 is a schematic view showing the powder magazine sliding to the outermost position with respect to the holder in the direction of the rotation axis L.
  • the core of the present invention is to provide a process cartridge which can realize separation and contact between the developing roller and the image forming apparatus.
  • the process cartridge of the present embodiment includes a toner hopper 100 accommodating a developer and a developing roller 200.
  • the developing roller 200 is rotatably disposed on the powder hopper 100 about its own axis, and end caps are provided at both ends of the process cartridge.
  • a drive power receiving assembly 300 is provided at one end of the process cartridge, and the drive power receiving assembly 300 receives the driving force from the image forming apparatus and drives the developing roller 200 (or the photosensitive drum) to rotate.
  • a first action component and a second action component are respectively disposed at the bottoms of both ends of the powder bin 100, and the powder bin and the developing roller are displaced by the first action component and the second action component.
  • the first action component includes a first stopper 101, a first spring 103, and a first latch 105.
  • the first stopper 101 is disposed on the sidewall of the powder bin 100 through a rotating shaft, and is rotatable around the rotating shaft. Rotating in a plane perpendicular to the axis of rotation of the developing roller, one end of the first spring 103 abuts against the first limiting member 101, and the other end abuts against the powder container 100.
  • the first limiting member 101 is compressible when rotated about the rotating shaft.
  • a spring 103 As shown in FIG. 3, the second action component includes a second limiting member 102, a second spring 104, and a second latching portion 106.
  • the second limiting member 102 is disposed on the sidewall of the powder bin 100 through the rotating shaft, and can be wound around The rotating shaft rotates on a plane perpendicular to the rotation axis of the developing roller.
  • One end of the second spring 104 abuts against the second limiting member 102, and the other end abuts against the powder magazine.
  • the second limiting member 102 is compressible when rotated about the rotating shaft.
  • the second spring 104 is
  • first limiting member 101 and the second limiting member 102 are not rotated, the first spring 103 and the second spring 104 are both in a pre-compressed state, so that the first limiting member 101 is at the first spring 103.
  • the second latching member 102 can be in contact with the second latching position 106 under the elastic force of the second spring 104, and the first latching position 105 and the second latching position 106 are disposed on the powder. On the warehouse.
  • the first spring 103 and the second spring 104 can actually form further compression.
  • the driving force receiving assembly of the present embodiment includes a driving force receiving head 301, a return spring 302, a driving block 303, a driving gear 304, a positioning bracket 306, and a limiting bracket 307.
  • the positioning bracket 306 and the driving gear 304 are fixedly disposed on the powder silo 100 with respect to the powder silo 100 in the direction of the rotational axis L of the driving force receiving assembly.
  • the rotational axis L is an imaginary axis.
  • the direction of the axis is also the axial direction of the driving force receiving assembly, and is also the axial direction of the driving force receiving head 301 and other coaxially disposed components.
  • the first limiting member 101 is connected to the positioning bracket 306 through the connecting rod 1011, and can drive the positioning bracket 306 to rotate about the rotating shaft L through the connecting rod 1011.
  • the limiting bracket 307 is disposed on the positioning bracket 306, and transmits the driving force to the developing roller or the photosensitive drum of the process cartridge through the positioning bracket 306.
  • the positioning bracket 306 has a pushing protrusion 306a protruding along the rotating axis L for positioning the bracket surface.
  • the pushing protrusion 306a has a moving slope s connecting the top surface of the positioning bracket 306 and the top surface of the pushing protrusion 306a, and the bottom of the limiting bracket 307 is provided with The protrusion 307a abutting the positioning bracket 306, when the positioning bracket 306 is rotated about the rotation axis L, the protrusion 307a of the limiting bracket 307
  • the movable bevel s can be moved between the top surface of the positioning bracket 306 and the top surface of the pushing protrusion 306a, thereby reciprocating the limiting bracket 307 along the rotation axis L.
  • the pushing protrusion 306a may be disposed on the outer edge of the positioning bracket 306. Accordingly, the protrusion 307a may also be disposed on the outer edge of the limiting bracket 307.
  • the driving block 303 is disposed on the limiting bracket 307.
  • the driving gear 304 is sleeved outside the driving block 303.
  • the driving force receiving head 301 passes through the driving gear 304 and the driving block 303.
  • the bottom of the driving force receiving head 301 can extend to the limiting bracket. 307.
  • the return spring 302 is sleeved outside the driving force receiving head 301, and one end of the return spring 302 can abut against the driving gear 304 and the other end abuts against the driving block 303.
  • the first stopper 101 and the second stopper 102 are respectively at the first spring 103 and the second spring 104. Under the elastic force, the first card position 105 and the second card position 106 are in contact with each other.
  • the first limiting member 101 controls the positioning bracket 306 to be on the top surface of the positioning bracket 306 and the protrusion of the limiting bracket 307 through the connecting rod 1011. The position at which the portion 307a contacts, that is, the driving force receiving head 301 is at the maximum position of retraction;
  • the image forming apparatus pushes the first stopper 101 and the second stopper 102 forward in a direction perpendicular to the rotation axis L, and is driven by compressing the first spring 103 and the second spring 104.
  • the toner hopper 100, the developing roller 200, and the driving force receiving assembly 300 are synchronously moved forward until the developing roller 200 is in contact with the photosensitive drum provided on the image forming apparatus, and the photosensitive drum may be fixedly disposed on the image forming apparatus, or may be Installed on the image forming apparatus in advance;
  • the image forming apparatus continues to push the first stopper 101 and the second stopper 102,
  • the first limiting member 101 and the second limiting member 102 start to leave the first latching position 105 and the second latching position 106, and the first limiting member 101 drives the positioning bracket 306 around the rotating shaft L through the connecting rod 1011 while moving.
  • the positioning bracket 306 rotates, the protrusion 307a of the limiting bracket 307 starts to move from the top surface of the positioning bracket 306 toward the top surface of the pushing protrusion 306a along the moving slope s. And compressing the return spring 302, referring to FIG.
  • the limit bracket 307 moves outward along the rotation axis L, so that the driving force receiving head 301 protrudes outward, when the positioning bracket 306 stops rotating,
  • the limit bracket 307 is located farthest from the top surface of the positioning bracket 306, so that the driving force receiving head 301 is extended to the maximum position, at which time the driving force receiving head 301 can be engaged with the power portion on the image forming apparatus.
  • the first limit The position member 101 controls the positioning bracket 306 to rotate in the reverse direction by the connecting rod 1011, and the protrusion portion 307a of the lower limit position bracket 307 of the return spring 302 moves along the moving slope surface s from the top surface of the pushing protrusion portion 306a toward the top surface of the positioning bracket 306, and the limit position
  • the bracket 307 is moved toward the positioning bracket 306, and the driving force receiving head 301 is retracted from the extended state to the retracted state until the driving force receiving head 301 returns to the retracted maximum position shown in FIG.
  • the driving force receiving head 301 can be disengaged from the power portion of the image forming apparatus, and the first limiting member 101 and the second limiting member 102 are restored to the first card position 105 and the second card position, and the image is formed.
  • the device continues to push, and the first limiting member 101 and the second limiting member 102 drive the powder cartridge to move backward to separate the developing roller 200 from the photosensitive drum disposed on the image forming apparatus.
  • the process cartridge of the present embodiment includes a powder bin 100, a developing roller 200, and a bracket 400.
  • the powder bin 100 is movably disposed on the bracket 400 along an axis of rotation L by an external force, and the bracket 400 is substantially in the shape of a dome. .
  • One end of the powder silo 100 is provided with a driving force receiving assembly 300.
  • a powder silo moving spring 401 is disposed between a side wall of the powder bin 100 and the bracket 400, and both ends of the silo moving spring 401 abut against the inner side wall of the bracket 400 and the side wall of the powder bin 100, respectively.
  • the powder silo moving spring 401 can move the powder silo 100 away from the power portion of the image forming apparatus.
  • the powder silo moving spring 401 of the embodiment is on the same side as the driving force receiving component, but the powder silo moving spring may also be disposed between the side wall of the powder silo without the driving force receiving component and the bracket, or two of the powder silos. Between the side wall and the bracket.
  • the driving force receiving assembly of the embodiment includes a driving force receiving head, a driving block and a driving gear, and the driving force receiving head, the driving block and the driving gear are fixedly disposed on the powder magazine relative to the powder magazine in the direction of the rotating shaft L.
  • the two ends of the bracket 400 are respectively provided with The first action component and the second action component, wherein the first action component is located on the same side as the driving force receiving component 300.
  • the first motion component includes a first limiting component 101 (in the embodiment, the first limiting component 101 and the powder moving spring 401 and the driving force receiving component are on the same side of the bracket), the first spring 103, and the first card position.
  • the first limiting member 101 of the embodiment is connected with a first swinging rod 1012, and the first limiting member 101 and the first swinging rod 1012 are connected to the bracket 400 through a rotating shaft, and the axis and the rotating shaft of the rotating shaft L parallel.
  • One end of the first spring 103 abuts against the first limiting member 101, and the other end abuts against the bracket 400 in the direction of the side wall of the bracket.
  • the second action component includes a second stop member 102, a second spring 104, and a second latch 106.
  • the second limit member 102 of the embodiment is coupled to the second swing link 1013, the second limit member 102 and the second
  • the swinging rod 1013 is connected to the bracket 400 through a rotating shaft, and one end of the second spring 104 abuts against the second limiting member 102 and the other end abuts against the bracket 400 in the direction of the side wall of the bracket.
  • the first limiting member 101 is in contact with the first card position 105
  • the second limiting member 102 is in contact with the second card position 106.
  • the first swinging rod 1012 and the second swinging rod 1013 can be inserted between the side wall of the bracket and the side wall of the powder silo for convenience of description.
  • the gap between the side wall of the bracket provided with the first limiting member and the side wall of the powder box on the side may be referred to as a first gap
  • the side wall of the bracket provided with the second limiting member and the side The gap between the side walls of the powder silo is referred to as a second gap; however, the first swing rod 1012 and the second swing rod 1013 form a reverse motion relationship, specifically, when the second swing rod 1013 breaks into the bracket
  • the first swing link 1012 can be withdrawn from the gap (first gap) between the bracket 400 and the powder hopper 300, and vice versa.
  • the toner hopper 100 is moved away from the power portion of the image forming apparatus by the powder hopper moving spring 401, and the driving force receiving assembly 300 is also remote from the image forming apparatus.
  • the driving head is separated from the power portion, and at this time, the driving force receiving head 301 protrudes from the outer side wall of the bracket by a length b2 as shown in FIG.
  • the image forming apparatus pushes the first limiting member 101 and the second limiting member 102 to move forward in a direction perpendicular to the rotation axis L, and the first limiting member 101 and the second limiting member 102 respectively pass Compressing the pressure conduction of the first spring 103 and the second spring 104 to drive the powder hopper 100 and the bracket 400 to move forward, the driving force receiving assembly 300 also moves forward synchronously; when the developing roller 200 and When the photosensitive drums disposed on the image forming apparatus are in contact, the powder bin 100 stops moving;
  • the first limiting member 101 and the second limiting member 102 are present due to a gap between the side wall of the bracket and the side wall of the powder chamber.
  • the first spring 103 and the second spring 104 are respectively compressed, the first limiting member 101 drives the first swinging rod 1012 into the gap between the side wall of the bracket and the side wall of the powder chamber, and the second limiting member 102 drives the first
  • the second swinging rod 1013 exits the gap between the side wall of the bracket and the side wall of the powder silo; the first swinging rod 1012 and the second swinging rod 1013 cause the powder silo 100 to approach the image forming apparatus along the rotating axis L against the elastic force of the powder silo moving spring 401
  • the driving force receiving head 301 protrudes from the outer side wall of the bracket by a length b1, b1>b2, and
  • the first limit is not movable.
  • the positional member 101 and the second limiting member 102 are displaced relative to the powder container 100 in a direction perpendicular to the rotation axis L, and the first limiting member 101 drives the first swinging rod 1012 to exit the side wall of the bracket and the side wall of the powder container.
  • the second limiting member 102 drives the second swinging rod 1013 into the gap between the side wall of the bracket and the side wall of the powder chamber, so that the powder moving spring 401 is reset, thereby controlling the powder storage box 100 away from the image forming apparatus.
  • the power unit; the powder chamber 100 is away from the power unit of the image forming apparatus to the maximum position, and the driving force receiving head 301 and the power unit of the image forming apparatus are disengaged.
  • the first limiting member 101 and the second limiting member 102 are also restored to the first card position 105 and the second card position 106 respectively; the first limiting member 101 and the second limit are supported as the image forming device continues to push.
  • the bit member 102 pushes the powder hopper 100 backward by the first card position 105 and the second 106, respectively, to separate the developing roller 200 from the photosensitive drum provided on the image forming apparatus.
  • the related deformation can also be made.
  • the first pendulum rod 1012 is not disposed on the first limiting member 101, but the second pendulum rod 1013 is driven by the second limiting member 102 to break into or exit the bracket sidewall and the powder bin.
  • the gap between the side walls causes the powder silo moving spring 401 to be reset or compressed, thereby controlling the powder silo 100 to move away from or approaching the power portion of the image forming apparatus, completing the connection of the driving head and the driving force receiving head.
  • the second swinging rod 1012 may not be disposed on the second limiting member 102, and only the first swinging rod 1012 is disposed on the first limiting member 101, and only the first limiting member 101 drives the first swinging rod 1012 to enter or
  • the gap between the side wall of the bracket and the side wall of the powder silo is withdrawn, so that the powder silo moving spring 401 is compressed or reset, thereby controlling the powder bin 100 to approach or away from the power portion of the image forming apparatus, and complete
  • the drive head is connected to the driving force receiving head. It is also possible not to set the powder basket moving spring.
  • the difference between the embodiment and the embodiment 2 is that a powder silo shift control unit is disposed between the side wall of the powder chamber and the bracket 400 where the driving force receiving assembly is not disposed, and is used for Instead of the first pendulum/and the second pendulum bar, the powder pan moving spring 401 is compressed or reset, thereby controlling the powder bin 100 to approach or away from the power portion of the image forming apparatus to complete the connection of the driving head and the driving force receiving head.
  • the powder silo shift control assembly includes a slider 107, a first movable lever 108, a second movable lever 109, and a slider spring 402.
  • the slider spring 402 is fixed at one end to the bracket 400 and at the other end to the slider 107.
  • the slider 107 is movable relative to the bracket sidewall along the side wall of the bracket.
  • the slider 107 is movable in a direction perpendicular to the rotation axis L by the elastic force of the slider spring 402.
  • the second movable rod 109 is in a horizontal T-shape, and the end of the cross rod is disposed on the bracket 400 by a hinge, and the vertical rod portion forms a movable rod rotating shaft; the slider 107 is sleeved by a ferrule disposed on the slider 107
  • the movable rod rotating shaft is disposed on the movable rod rotating shaft and can move the movable rod rotating shaft; one end of the first movable rod 108 is sleeved on the movable rod rotating shaft and rotatable around the movable rod rotating shaft, and the other end (free end) of the first movable rod 108 can be It is in contact with the side wall of the powder bin 100.
  • the axis of the movable rod shaft is perpendicular to the rotation axis L and perpendicular to the moving direction of the slider.
  • the slider spring 402 When the slider 107 moves toward the inner side of the bracket 400, the slider spring 402 is compressed, and the slider 107 drives the movable rod rotating shaft to move by the ferrule, forcing the first movable rod 108 to rotate about the movable rod rotating shaft, and the first movable rod 108
  • the angle between the crossbar of the second movable lever 109 and the crossbar of the second movable lever 109 becomes larger, and the distance between the opposite ends of the crossbar of the first movable lever 108 and the second movable lever 109 gradually changes with the movement of the slider 107.
  • the slider 107 is The slider spring 402 is pushed farthest from the bracket 400, and the distance between the opposite ends of the first movable rod 108 and the second movable rod 109 is relatively small, and the first movable rod 108 and the second movable rod 109 are horizontally connected.
  • the angle between the two is the smallest, and since there is no external force, the state in which the slider spring 402 is located can be referred to as the original state, that is, the state in which the slider spring 402 is in the absence of an external force.
  • the powder silo 100 is pushed away from the power portion of the image forming apparatus by the powder silo moving spring 401, and the driving assembly 300 disposed on the silo 100 is also away from the power portion of the image forming apparatus, and the driving force is received.
  • the head 301 is separated from the power unit of the image forming apparatus (Fig. 13).
  • the image forming apparatus pushes the first limiting member 101 and the second limiting member 102 to move forward, and the first limiting member 101 and the second limiting member 102 respectively compress the first spring 103 and the second spring.
  • the drive bracket 400 and the powder magazine move forward, and when the developing roller comes into contact with the photosensitive drum provided on the image forming apparatus, the powder magazine and the holder stop moving; at this time, the end of the slider 107 not contacting the slider spring ( The free end) interferes with the image forming device, causing the slider 107 to start compressing the slider spring 402, and the slider 107 drives the movable rod rotating shaft to move by the ferrule, forcing the first movable rod 108 to rotate around the movable rod rotating shaft, the first movable rod 108 and The distance between the opposite ends of the crossbar of the second movable lever 109 starts to become larger, and the outer end of the first movable lever 108 abuts against the powder bin, and the outer end of the crossbar of the second movable lever
  • the first movable lever 108 pushes the powder silo 100 toward the power portion of the image forming apparatus, and when the slider 107 is pushed to the rear side of the bracket 400 (away from the powder silo), that is, Slider spring 402 is at maximum pressure
  • Slider spring 402 is at maximum pressure
  • the distance between the opposite ends of the first movable lever 108 and the second movable lever 109 (the outer two ends) is maximized, and the clip between the first movable lever 108 and the second movable lever 109 crossbar is The angle is the largest, the powder bin 100 is pushed closest to the image forming device power portion, the driving force receiving assembly 300 is also closest to the image forming device power portion side, and the driving force receiving head 301 can be engaged with the power portion on the image forming device (Fig. 18).
  • the driving force receiving head is still engaged with the power portion of the image forming apparatus, and the first limiting member 101 is not movable.
  • the second limiting member 102 is displaced in a direction perpendicular to the rotation axis L, the slider 107 moves away from the bracket, drives the movable rod rotating shaft (the second movable rod 109 vertical rod) and moves, thereby driving the first activity
  • the rod 108 rotates about the rotating shaft of the movable rod, so that the distance between the opposite ends of the first movable rod 108 and the second movable rod 109 starts to become smaller, the powder cartridge starts to move away from the power portion of the image forming apparatus; when the powder bin 100 is away from the image Forming the power section of the device to the maximum position,
  • the driving force receiving head 301 and the power portion of the image forming apparatus are disengaged.
  • the first limiting member 101 and the second limiting member 102 pass through the first card position 105 and the second card position 106, respectively.
  • the powder magazine 100 is pushed backward to separate the developing roller 200 from the photosensitive drum provided on the image forming apparatus.
  • the embodiment can also perform related deformations, for example, the powder silo shifting assembly and the driving force receiving component are disposed on the same side.
  • the slider spring 402 drives the slider 107.
  • the distance between the opposite ends of the cross bars of the first movable lever 108 and the second movable lever 109 is the largest, and the powder cartridge is located on the side away from the power portion of the image forming apparatus, and is disposed at
  • the driving assembly 300 on the powder silo 100 is also away from the power portion of the image forming apparatus, and the driving force receiving head 301 is separated from the power portion of the image forming apparatus.
  • the image forming apparatus pushes the first limiting member 101 and the second limit.
  • the position member 102 moves forward and drives the bracket 400 and the powder magazine to move forward by compressing the first spring 103 and the second spring 104.
  • the slider 107 compresses the slider spring 402 and drives the movable rod to move the shaft.
  • the distance between the opposite ends of the cross bars of the first movable lever 108 and the second movable lever 109 is started to be small, and the toner cartridge 100 is pushed closest to the image forming apparatus power portion, and the driving force receiving assembly 3 is driven.
  • 00 is also closest to the power unit side of the image forming apparatus, and the driving force receiving head 301 can be engaged with the power unit on the image forming apparatus.
  • a powder silo shift control assembly is disposed between the side walls of the two ends of the powder silo and the bracket, and the slider of the powder silo shift control assembly and the first and second movable rods on the same side of the driving force receiving assembly
  • the slider of the powder bin shift control assembly disposed on the opposite side of the driving force receiving component is opposite to the action of the first and second movable levers. That is, when the distance between the opposite ends of the first movable rod and the second movable rod of the powder storage shift control assembly disposed on the same side of the driving force receiving assembly is the largest, the opposite side of the driving force receiving assembly is disposed.
  • the distance between the first movable rod of the powder silo shift control assembly and the opposite ends of the second movable rod is the smallest, and the powder cartridge is farthest from the image forming device power portion, the driving force receiving head and the image forming device
  • the power portion is disengaged; when the distance between the opposite ends of the first movable lever and the second movable lever of the powder storage shift control assembly disposed on the same side of the driving force receiving component is the smallest, the driving force is received
  • the distance between the first movable rod of the powder silo shift control component on the opposite side of the assembly and the opposite ends of the second movable rod crossbar is the largest.
  • the powder silo is closest to the power unit of the image forming apparatus, and the driving force receiving head can be Engages with the power unit on the image forming apparatus.
  • the powder wall is placed between the side walls of the powder bin and the bracket It is also possible to set the component to not move the powder magazine moving spring.
  • the difference between this embodiment and Embodiment 3 is only that the shape of the second movable rod in the powder silo shift control assembly, and the movable rod rotating shaft are fixedly disposed on the slider 107, and move with the slider.
  • the second movable rod 109 has a rod shape, and one end (free end) of the second movable rod 109 is freely in contact with the bracket 400 (also disposed on the bracket 400 by the hinge movement), and the other end is sleeved on the activity provided on the slider 107.
  • the rod shaft is rotatable about the shaft of the movable rod.
  • One end of the first movable rod 108 is sleeved on the movable rod rotating shaft and rotatable around the movable rod rotating shaft, and the other end (free end) of the first movable rod 108 is in contact with the side wall of the powder bin 100.
  • the axis of the movable rod shaft is perpendicular to the rotation axis L and perpendicular to the moving direction of the slider.
  • the slider 107 is farthest from the bracket 400 by the slider spring 402, and the opposite ends of the first movable lever 108 and the second movable lever 109 are oppositely disposed. The distance between the two is the smallest.
  • the powder bin 100 is pushed away from the power portion of the image forming apparatus by the powder magazine moving spring 401, and the driving assembly 300 disposed on the powder container 100 is also away from the power of the image forming apparatus.
  • the driving force receiving head 301 is separated from the power unit of the image forming apparatus (Fig. 13).
  • the image forming apparatus pushes the first limiting member 101 and the second limiting member 102 to move forward, and the first limiting member 101 and the second limiting member 102 respectively compress the first spring 103 and the second spring.
  • 104 drive bracket 400 and powder bin move forward, when developing roller and set in image shape
  • the powder compartment and the bracket stop moving at this time, one end (free end) of the slider 107 not contacting the slider spring is in contact with the image forming apparatus, so that the slider 107 starts to compress the slider spring.
  • the first movable rod 108 and the second movable rod 109 start to rotate under the driving of the slider 107, and the distance between the opposite ends of the first movable rod 108 and the second movable rod 109 starts to become larger, the first activity
  • the outer end of the rod 108 abuts against the powder bin, and the outer end of the second movable rod 109 abuts against the side wall of the bracket, pushing the powder bin 100 toward the power portion of the image forming apparatus, and when the slider 107 is pushed to the closest bracket
  • the distance between the opposite ends (the outer ends of the outer side) of the first movable lever 108 and the second movable lever 109 is maximized, and the powder compartment 100 is pushed to the closest image forming apparatus.
  • the power unit, the driving force receiving unit 300 is also closest to the power unit side of the image forming apparatus, and the driving force receiving head 301 can be engaged with the power unit on the image forming apparatus (Fig. 18).
  • the driving force receiving head is still engaged with the power portion of the image forming apparatus, and the first limiting member 101 is not movable.
  • the second limiting member 102 is displaced in a direction perpendicular to the rotation axis L, the slider 107 moves away from the bracket, and drives the first movable rod 108 and the second movable rod 109 to rotate around the rotating shaft, so that the first activity
  • the head 301 and the power portion of the image forming apparatus are disengaged.
  • the first limiting member 101 and the second limiting member 102 push the powder silo 100 through the first card 105 and the second 106, respectively.
  • the developing roller 200 is separated from the photosensitive drum provided on the image forming apparatus.
  • the embodiment can also perform related deformations, for example, the powder silo shifting assembly and the driving force receiving component are disposed on the same side.
  • the slider spring 402 drives the slider 107.
  • the distance between the opposite ends of the first movable lever 108 and the second movable lever 109 is the largest, and the powder cartridge is located on the side away from the power portion of the image forming apparatus, and is disposed in the powder compartment 100.
  • the upper driving assembly 300 is also away from the power portion of the image forming apparatus, and the driving force receiving head 301 is separated from the power portion of the image forming apparatus.
  • the image forming apparatus pushes the first limiting member 101 and the second limiting member 102.
  • the slider 107 compresses the slider spring 402 when the powder hopper moves forward, so that the first movable rod 108 and the second Live
  • the distance between the opposite ends of the movable rod 109 starts to become small the powder container 100 is pushed closest to the power unit of the image forming apparatus, and the driving force receiving unit 300 is also closest to the power unit side of the image forming apparatus, and the driving force receiving head
  • the 301 can be engaged with a power unit on the image forming apparatus.
  • a powder silo shift control assembly is disposed between the side walls of the two ends of the powder silo and the bracket, and the slider of the powder silo shift control assembly and the first and second movable rods on the same side of the driving force receiving assembly
  • the slider of the powder bin shift control assembly disposed on the opposite side of the driving force receiving component is opposite to the action of the first and second movable levers.

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Abstract

一种处理盒，可拆卸地安装于图像形成装置中，包括：粉仓(100)，用于容纳显影剂；显影辊(200)；驱动力接收组件(300)，用于接收图像形成装置的驱动力并驱动显影辊(200)旋转；设置于粉仓(100)底部的第一限位件(101)和第二限位件(102)，第一限位件(101)和第二限位件(102)可相对粉仓(100)沿垂直于驱动力接收组件(300)的旋转轴(L)的轴向移动，并带动粉仓(100)及显影辊(200)移动；第一限位件(101)和/或第二限位件(102)移动时使驱动力接收组件(300)的驱动力接收头(301)沿驱动力接收组件(300)旋转轴(L)的轴向移动。在粉仓(100)上设置限位件(101,102)，通过限位件(101,102)控制粉仓(100)及显影辊(200)与图像形成装置上的感光鼓接触或分离，同时通过限位件(101,102)控制处理盒上的驱动力接收组件(300)的驱动力接收头(301)伸出或收缩，从而与图像形成装置的驱动部啮合或脱离啮合。

Description

处理盒
本申请要求于2016年12月09日提交中国专利局、申请号为201611130909.4、发明名称为“处理盒”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及一种图像形成设备中使用的处理盒。
背景技术
处理盒是一种可拆卸地装入图像形成装置主机中的盒子，处理盒作为一个整体单元，包含壳体，感光鼓、显影辊等等。处理盒相对于设备主机是可拆卸的，便于设备的保养。采用电子照相成像方式的图像形成装置的工作过程如下：通过图像形成装置的光对已被充电单元均匀充电的感光鼓进行有选择的曝光，从而形成静电潜像，该潜像由显影辊用调色剂显影成调色剂像，所形成的调色剂像再由转印器转印到记录介质上，最后在记录介质上形成图像。
处理盒安装到图像形成装置中，如果显影辊长时间和图像形成装置上的感光鼓紧密接触，显影辊会污染图像形成装置上的感光鼓，从而引起打印品质缺陷。为了解决这个问题，需要在显影结束后将显影辊和图像形成装置上的感光鼓分离，显影时再使显影辊和图像形成装置上的感光鼓接触。而由于显影辊需要从图像形成装置上接收动力，因而处理盒上设置有驱动力接收组件，在将显影辊和图像形成装置上的感光鼓分离或接触时，需要同时将显影辊及驱动力接收组件和图像形成装置分离和啮合。
发明内容
本发明的目的是提供一种可以实现显影辊与图像形成装置分离和接触的处理盒。
为了实现上述目的，本发明采取如下的技术解决方案：
一种处理盒，可拆卸地安装于图像形成装置中，包括：
粉仓，用于容纳显影剂；
显影辊；
驱动力接收组件，用于接收图像形成装置的驱动力并驱动显影辊旋转；
还包括：
设置于粉仓底部的第一限位件和第二限位件，所述第一限位件和第二限位件可相对粉仓沿垂直于驱动力接收组件轴向的方向移动；
所述第一限位件和/或第二限位件移动时，能够使得驱动力接收组件的驱动力接收头沿其轴向移动。
具体的，所述第一限位件或第二限位件相对粉仓向前移动时，能够使得驱动力接收组件的驱动力接收头沿其轴向向外伸出；所述第一限位件或第二限位件相对粉仓向后移动时，能够使得驱动力接收组件的驱动力接收头沿其轴向向内收缩。
具体的，所述第一限位件通过转轴设置于粉仓的轴向一侧壁上，且所述粉仓的该侧壁还设有第一卡位，在第一限位件和粉仓之间设置有第一弹簧，所述第一弹簧处于预压缩状态，以使所述第一限位件抵接于所述第一卡位；存在外力使得所述第一限位件克服所述第一弹簧的预压缩力时，所述第一限位件能够脱离所述第一卡位、绕该转轴相对所述粉仓向前转动，并进一步地压缩所述第一弹簧；所述第二限位件通过转轴设置于粉仓的轴向另一侧壁上，且所述粉仓的该侧壁还设有第二卡位，在第二限位件和粉仓之间设置有第二弹簧，所述第二弹簧处于预压缩状态，以使所述第一限位件抵接于所述第二卡位；存在外力使得所述第二限位件克服所述第二弹簧的预压缩力时，所述第二限位件能够脱离所述第二卡位、绕该转轴相对所述粉仓向前转动，并进一步地压缩所述第二弹簧。
具体的，所述驱动力接收组件包括驱动力接收头、复位弹簧、驱动块、驱动齿轮、定位支架和限位支架；所述定位支架、驱动齿轮在驱动力接收组件的轴向上相对于粉仓固定，所述第一限位件通过连杆与所述定位支架相连，并可通过连杆驱动所述定位支架绕驱动力接收组件的轴向转动；所述限位支架设置于所述定位支架上，所述定位支架上具有沿驱动力接收组件的轴向突出的推动突起部，所述推动突起部具有连接定位支架顶面和推 动突起部顶面的移动斜面，所述限位支架底部设置有与定位支架相抵接的突起部，所述定位支架绕旋驱动力接收组件的轴向转动时，限位支架的突起部可沿移动斜面在定位支架顶面和推动突起部顶面之间移动；所述驱动块设置于限位支架上，所述驱动齿轮套在驱动块外，所述驱动力接收头穿过驱动齿轮和驱动块、并延伸至限位支架中，所述复位弹簧套在驱动力接收头外，且一端与驱动齿轮抵顶、另一端与驱动块抵顶。
具体的，所述推动突起部设于所述定位支架的外缘。
具体的，第一限位件和第二限位件在图像形成装置的推动下，能够带动粉仓、显影辊移动。
由以上技术方案可知，本发明在粉仓底部设置限位件，通过限位件可推动粉仓和显影辊与图像形成装置上的感光鼓接触或分离，在显影辊与图像形成装置上的感光鼓接触或分离的同时，限位件控制处理盒的驱动力接收组件的驱动力接收头向外伸出或向内缩回，从而与图像形成装置的驱动部相啮合或脱离啮合，从而实现显影结束后可以使显影辊和图像形成装置的感光鼓相分离，避免显影辊长时间与感光鼓相接触，污染图像形成装置上的感光鼓，引起打印品质缺陷。
一种处理盒，可拆卸地安装于图像形成装置中，包括：
粉仓，用于容纳显影剂；
显影辊；
驱动力接收组件，用于接收图像形成装置的驱动力并驱动显影辊旋转；
还包括：
支架，所述粉仓能够沿驱动力接收组件的轴向移动地设置于所述支架；
设置于支架上的第一限位件和第二限位件，所述第一限位件、第二限位件可相对支架沿垂直于驱动力接收组件轴向的方向移动；
所述第一限位件和/或第二限位件移动时，能够使得粉仓相对于所述支架沿驱动力接收组件的轴向移动。
具体的，所述第一限位件和/或第二限位件移动时，能够使得粉仓相对于所述支架沿驱动力接收组件的轴向靠近或远离图像形成装置的动力部。
具体的，所述第一限位件和/或第二限位件相对粉仓向前移动时，能够 使得粉仓沿驱动力接收组件的轴向靠近图像形成装置的动力部；所述第一限位件和/或第二限位件相对粉仓向后移动时，能够使得粉仓沿驱动力接收组件的轴向远离图像形成装置的动力部。
具体的，所述粉仓的至少一侧壁与所述支架之间设置有粉仓移动弹簧，所述粉仓移动弹簧能够使得粉仓靠近或远离图像形成装置的动力部。
具体的，所述第一限位件连接有第一摆杆，第一限位件和第一摆杆通过转轴与支架的轴向一侧壁相连，在第一限位件和粉仓之间设置有第一弹簧，第一弹簧的两端分别抵在第一限位件和支架上；所述第二限位件连接有第二摆杆，第二限位件和第二摆杆通过转轴与支架的轴向另一侧壁相连，在第二限位件和支架之间设置有第二弹簧，第二弹簧的两端分别抵在第二限位件和支架上。
具体的，设有第一限位件的支架侧壁与该侧的粉仓侧壁之间具有第一间隙，设有第二限位件的支架侧壁与该侧的粉仓侧壁之间具有第二间隙；第一限位件转动时，能够驱使所述第一摆杆锲入或退出所述第一间隙，第二限位件转动时，能够驱使所述第二摆杆锲入或退出所述第二间隙。
具体的，所述第一摆杆锲入所述第一间隙时，所述第二摆杆退出所述第二间隙；第二摆杆锲入所述第二间隙时，所述第一摆杆退出所述第一间隙。
具体的，还包括粉仓移位控制组件，所述粉仓移位控制组件设置于粉仓的侧壁与支架之间，所述粉仓移位控制组件包括滑块、第一活动杆、第二活动杆及滑块弹簧；所述滑块弹簧的一端固定在支架上、另一端与滑块连接，存在外力使得所述滑块克服所述滑块弹簧的弹性力时，所述滑块能够相对支架侧壁移动；所述滑块还连接有活动杆转轴，所述第一活动杆、所述第二活动杆均可转动地连接于所述活动杆转轴，所述第一活动杆远离所述活动杆转轴的一端与粉仓的侧壁相接触或者铰接，所述第二活动杆远离所述活动杆转轴的一端与支架相接触或者铰接；所述滑块带动所述活动杆转轴运动时，能够改变所述第一活动杆、所述第二活动杆间的夹角，以驱使所述粉仓相对所述支架轴向移动。
具体的，所述滑块弹簧处于原始状态时，所述第一活动杆和所述第二活动杆间的夹角最小；所述滑块弹簧受外力作用产生最大变形量时，第一 活动杆和第二活动杆间的夹角最大。
具体的，所述粉仓移位控制组件设置于所述粉仓远离所述驱动力接收组件的轴向侧壁与支架之间，
具体的，所述粉仓移动弹簧设置于所述粉仓安装有所述驱动力接收组件的轴向侧壁与所述支架之间。
具体的，所述粉仓的轴向两侧壁与支架之间均设置有所述粉仓移位控制组件，与所述驱动力接受组件同侧的所述粉仓移位控制组件为第一控制组件，与所述驱动力接受组件相对侧的所述粉仓移位控制组件为第二控制组件；所述第一控制组件的所述第一活动杆、所述第二活动杆处于最大夹角状态时，所述第二控制组件的所述第一活动杆、所述第二活动杆处于最小夹角状态；所述第一控制组件的所述第一活动杆、所述第二活动杆处于最小夹角状态时，所述第二控制组件的所述第一活动杆、所述第二活动杆处于最大夹角状态。
具体的，所述第一限位件连接有第一摆杆，所述第二限位件连接有第二摆杆，且所述第一摆杆、所述第二摆杆分别与相应侧的粉仓移位控制组件的滑块相连；所述第一限位件转动时，能够带动所述第一摆杆转动、以驱动相应侧的所述粉仓移位控制组件的滑块移动；所述第二限位件转动时，能够带动所述第二摆杆转动、以驱动相应侧的所述粉仓移位控制组件的滑块移动。
具体的，所述第二活动杆与所述活动杆转轴一体成型，构成T形杆，该T形杆的竖杆为所述活动杆转轴，该T形杆的横杆的端部铰接于所述支架；所述滑块设有套圈，所述套圈套设于活动杆转轴，所述滑块能够带动活动杆转轴移动。
具体的，所述活动杆转轴固定设在滑块上，随滑块移动；第二活动杆的一端套设在活动杆转轴上，并可绕活动杆转轴旋转；第一活动杆的一端套设在活动杆转轴上，并可绕活动杆转轴旋转。
具体的，所述活动杆转轴的轴线与驱动力接收组件的轴向相垂直，且与和滑块的移动方向相垂直；在所述滑块弹簧和外力作用下，所述滑块能够沿着垂直于驱动力接收组件轴向的方向往复移动。
由以上技术方案可知，本发明包括支架和粉仓，在支架底部设置限位 件，限位件可以在图像形成装置的推动下，带动粉仓、显影辊或感光鼓的移动；粉仓可相对于支架沿驱动力接收组件旋转轴的轴向移动，使得驱动力接收组件与图像形成装置上的感光鼓接触或分离，从而实现显影结束后可以使显影辊和图像形成装置的感光鼓相分离，避免显影辊长时间与感光鼓相接触，污染图像形成装置上的感光鼓，引起打印品质缺陷。
附图说明
为了更清楚地说明本发明实施例，下面将对实施例或现有技术描述中所需要使用的附图做简单介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例1处理盒的结构示意图；
图2为实施例1第一动作组件的结构示意图；
图3为实施例1第二动作组件的结构示意图；
图4a为实施例1驱动力接收组件的结构示意图；
图4b为实施例1驱动力接收组件的分解结构示意图；
图5为实施例1第一动作组件与驱动力接收组件的连接示意图；
图6为实施例1第一动作组件与驱动力接收组件另一角度的连接示意图；
图7a为实施例1驱动力接收组件向外伸出的分解结构示意图；
图7b为实施例1驱动力接收组件向外伸出的示意图；
图8为实施例1为第一动作组件控制驱动力接收头伸出到最大位置的示意图；
图9为本发明实施例2处理盒的结构示意图；
图10a为粉仓和支架的分解结构示意图；
图10b为图10a中A部分的放大结构示意图；
图11a为粉仓和支架另一角度的分解结构示意图；
图11b为图11a中B部分的放大结构示意图；
图12为粉仓在旋转轴L方向上相对支架滑动到最外位置的示意图；
图13为本发明实施例3处理盒的结构示意图；
图14a为粉仓和支架的分解结构示意图；
图14b为图14a中C部分的放大结构示意图；
图15a为粉仓最远离图像形成装置的驱动部时滑块与第一、第二活动杆的动作示意图；
图15b为粉仓最靠近图像形成装置的驱动部时滑块与第一、第二活动杆的动作示意图；
图16为粉仓最远离图像形成装置的驱动部时滑块与第一、第二活动杆的结构示意图；
图17为粉仓最靠近图像形成装置的驱动部时滑块与第一、第二活动杆的结构示意图；
图18为粉仓在旋转轴L方向上相对支架滑动到最外位置的示意图。
具体实施方式
本发明的核心是提供一种可以实现显影辊与图像形成装置分离和接触的处理盒。
下面结合附图对本发明进行详细描述，在详述本发明实施例时，为便于说明，表示器件结构的附图会不依一般比例做局部放大，而且所述示意图只是示例，其在此不应限制本发明保护的范围。需要说明的是，附图均采用非常简化的形式且均使用非精准的比例，仅用以方便、清晰地辅助说明本发明实施例的目的。
实施例1
如图1所示，本实施的处理盒包括容纳显影剂的粉仓100及显影辊200，显影辊200可绕自身轴线旋转地设置于粉仓100上，处理盒的两端设置有端盖。在处理盒的一端设置有驱动动力接收组件300，驱动动力接收组件300接收来自图像形成装置的驱动力，并驱动显影辊200(或感光鼓)旋转。在粉仓100两端的底部分别设置有第一动作组件和第二动作组件，通过第一动作组件和第二动作组件使粉仓和显影辊发生位移。
参照图2，第一动作组件包括第一限位件101、第一弹簧103及第一卡位105，第一限位件101通过转轴设置于粉仓100的侧壁上，并可绕转轴在垂直于显影辊的旋转轴线的平面上转动，第一弹簧103的一端抵在第一限位件101上，另一端抵在粉仓100上，第一限位件101绕转轴转动时可压缩第一弹簧103。如图3所示，第二动作组件包括第二限位件102、第二弹簧104及第二卡位106，第二限位件102通过转轴设置于粉仓100的侧壁上，并可绕转轴在垂直于显影辊的旋转轴线的平面上转动，第二弹簧104的一端抵在第二限位件102上，另一端抵在粉仓上，第二限位件102绕转轴转动时可压缩第二弹簧104。
可以理解，在第一限位件101、第二限位件102未转动时，第一弹簧103、第二弹簧104均处于预压缩状态，以使得第一限位件101在第一弹簧103的弹力作用下可与第一卡位105接触，第二限位件102在第二弹簧104的弹力作用下可与第二卡位106接触，第一卡位105和第二卡位106设置于粉仓上。
也就是说，当存在外力使第一限位件101、第二限位件102转动时，实际上可对第一弹簧103、第二弹簧104形成进一步的压缩。
图4a和图4b为驱动力接收组件的结构示意图，本实施例的驱动力接收组件包括驱动力接收头301、复位弹簧302、驱动块303、驱动齿轮304、定位支架306和限位支架307。
结合图5所示，定位支架306和驱动齿轮304在驱动力接收组件的旋转轴L的方向上相对于粉仓100固定地设置于粉仓100上，可以理解，该旋转轴L为假想轴，其轴线的方向也就是驱动力接受组件的轴向，同时也是驱动力接收头301以及其他同轴设置的各部件的轴向。第一限位件101通过连杆1011与定位支架306相连，并可通过连杆1011驱动定位支架306绕旋转轴L转动。限位支架307设置于定位支架306上，通过定位支架306将驱动力传递给处理盒的显影辊或感光鼓。
定位支架306上具有沿旋转轴L突出定位支架表面的推动突起部306a，推动突起部306a具有连接定位支架306顶面和推动突起部306a顶面的移动斜面s，限位支架307底部设置有与定位支架306相抵接的突起部307a，当定位支架306绕旋转轴L转动时，限位支架307的突起部307a 可沿移动斜面s在定位支架306顶面和推动突起部306a顶面之间移动，从而使限位支架307沿旋转轴L往复移动。如图4b所示，上述推动突起部306a可以设于定位支架306的外缘，相应地，突起部307a也可以设于限位支架307的外缘。
驱动块303设置于限位支架307上，驱动齿轮304套在驱动块303外，驱动力接收头301穿过驱动齿轮304和驱动块303，该驱动力接收头301的底部可延伸至限位支架307中。复位弹簧302套在驱动力接收头301外，且复位弹簧302的一端可与驱动齿轮304抵顶、另一端与驱动块303抵顶。当限位支架307沿旋转轴L移动时，带动驱动块303和驱动力接收头301一起沿旋转轴L移动。
下面结合图6、图7a及图7b对处理盒的安装和拆卸时的动作过程进行说明，为了便于描述，将顺着处理盒安装的方向定义为前。
如图2和图3所示，当处理盒安装到图像形成装置后、还未开始成像工作时，第一限位件101和第二限位件102分别在第一弹簧103和第二弹簧104的弹力作用下与第一卡位105和第二卡位106相接触，此时，第一限位件101通过连杆1011控制定位支架306处于定位支架306的顶面与限位支架307的突起部307a相接触的位置，即驱动力接收头301处于缩回的最大位置；
当图像形成装置准备成像时，图像形成装置推动第一限位件101和第二限位件102沿垂直于旋转轴L的方向向前移动，并通过压缩第一弹簧103和第二弹簧104驱动粉仓100、显影辊200和驱动力接收组件300同步向前移动，直到显影辊200和设置于图像形成装置上的感光鼓相接触，感光鼓可以是固定设置在图像形成装置上，也可以是提前安装到图像形成装置上；
当显影辊200和设置于图像形成装置上的感光鼓相接触，由于粉仓和显影辊位置受限不再移动，图像形成装置继续推动第一限位件101和第二限位件102时，第一限位件101和第二限位件102开始离开第一卡位105和第二卡位106，且第一限位件101在移动的同时通过连杆1011带动定位支架306绕旋转轴L旋转，定位支架306旋转时，限位支架307的突起部307a开始沿移动斜面s从定位支架306顶面向推动突起部306a顶面移动， 并压缩复位弹簧302，参照图7a和图7b，在该移动过程中限位支架307沿旋转轴L的向外移动，使驱动力接收头301向外伸出，当定位支架306停止转动时，限位支架307位于最远离定位支架306顶面的位置，使驱动力接收头301伸出到最大位置，此时驱动力接收头301可以与图像形成装置上的动力部啮合。
结束成像后，由于驱动力接收头301与图像形成装置的动力部仍相啮合，无法移动，当图像形成装置推动第一限位件101和第二限位件向后移动过程中，第一限位件101通过连杆1011控制定位支架306反向旋转，在复位弹簧302的弹力作用下限位支架307的突起部307a沿移动斜面s从推动突起部306a顶面向定位支架306顶面移动，限位支架307向靠近定位支架306的方向移动，驱动力接收头301往回缩，从伸出状态恢复至缩回状态，直至驱动力接收头301恢复至图2所示的缩回的最大位置，此时，驱动力接收头301可以和图像形成装置的动力部脱离啮合，第一限位件101、第二限位件102与第一卡位105、第二卡位恢复接触状态，随着图像形成装置的继续推动，第一限位件101和第二限位件102带动粉仓向后移动，使显影辊200与设置在图像形成装置上的感光鼓相分离。
实施例2
如图9所示，本实施例的处理盒包括粉仓100、显影辊200以及支架400，粉仓100在外力作用下可沿旋转轴L移动地设置于支架400上，支架400大致呈ㄇ形。粉仓100的一端设置驱动力接收组件300。在粉仓100的一侧壁与支架400之间设置有粉仓移动弹簧401，粉仓移动弹簧401的两端分别抵在支架400内侧壁上和粉仓100的侧壁上。粉仓移动弹簧401可使粉仓100远离图像形成装置的动力部。本实施例的粉仓移动弹簧401与驱动力接收组件同侧，但粉仓移动弹簧也可以设置于粉仓未安装驱动力接收组件的侧壁与支架之间，或者设置于粉仓的两个侧壁与支架之间。本实施例的驱动力接收组件包括驱动力接收头、驱动块及驱动齿轮，驱动力接收头、驱动块及驱动齿轮在旋转轴L的方向上均相对粉仓固定地设置于粉仓上。
如图10a、图10b、图11a和图11b所示，支架400的两端分别设置有 第一动作组件和第二动作组件，其中，第一动作组件与驱动力接收组件300位于同侧。
第一动作组件包括第一限位件101(本实施例中，第一限位件101与粉仓移动弹簧401及驱动力接收组件在支架的同侧)、第一弹簧103、第一卡位105(未示出)，本实施例的第一限位件101连接有第一摆杆1012，第一限位件101和第一摆杆1012通过转轴与支架400相连，转轴的轴线与旋转轴L平行。第一弹簧103的一端抵在第一限位件101上，另一端沿支架侧壁方向抵在支架400上。第二动作组件包括第二限位件102、第二弹簧104、第二卡位106，本实施例的第二限位件102连接有第二摆杆1013，第二限位件102和第二摆杆1013通过转轴与支架400相连，第二弹簧104的一端抵在第二限位件102上、另一端沿支架侧壁方向抵在支架400上。第一限位件101和与第一卡位105接触，第二限位件102可与第二卡位106接触。
本实施例中，由于在支架侧壁和粉仓侧壁之间设置有间隙，第一摆杆1012和第二摆杆1013均可以锲入支架侧壁和粉仓侧壁之间，为便于描述，可将设有第一限位件的支架侧壁与该侧的粉仓侧壁之间的间隙称之为第一间隙，而将设有第二限位件的支架侧壁与该侧的粉仓侧壁之间的间隙称之为第二间隙；但第一摆杆1012和第二摆杆1013形成一个反向运动的关系，具体而言，当第二摆杆1013锲入所述支架400和粉仓300之间的间隙(第二间隙)时，第一摆杆1012可以从所述支架400和粉仓300之间的间隙(第一间隙)中退出，反之亦然。
当处理盒安装到图像形成装置后、还未开始成像工作时，粉仓100在粉仓移动弹簧401的推动下，远离图像形成装置的动力部，驱动力接收组件300也远离图像形成装置的动力部，粉仓100远离图像形成装置的动力部到最大位置时，驱动头与动力部分离，此时驱动力接收头301伸出于支架外侧壁的长度为b2，如图9所示。
当准备显影时，图像形成装置推动第一限位件101和第二限位件102沿着垂直于旋转轴L的方向向前移动，第一限位件101和第二限位件102分别通过压缩第一弹簧103和第二弹簧104的压力传导驱动粉仓100和支架400向前移动，驱动力接收组件300也同步向前移动；当显影辊200和 设置在图像形成装置上的感光鼓相接触时，粉仓100停止移动；
随着图像形成装置继续推动第一限位件101和第二限位件102，由于在支架侧壁和粉仓侧壁之间有间隙，当第一限位件101和第二限位件102继续分别压缩第一弹簧103和第二弹簧104时，第一限位件101带动第一摆杆1012锲入支架侧壁和粉仓侧壁之间的间隙内，第二限位件102带动第二摆杆1013退出支架侧壁和粉仓侧壁之间的间隙；第一摆杆1012和第二摆杆1013使得粉仓100克服粉仓移动弹簧401的弹力沿旋转轴L靠近图像形成装置的动力部，粉仓100最靠近图像形成装置的动力部时，驱动力接收头301伸出于支架外侧壁的长度为b1，b1＞b2，此时驱动力接收头301可以和图像形成装置上的动力部啮合(图12)。
结束成像后，当图像形成装置推动第一限位件101和第二限位件102向后移动时，由于驱动力接收头301与图像形成装置的动力部仍相啮合，无法移动，第一限位件101和第二限位件102相对于粉仓100在垂直于旋转轴L的方向上发生位移，进而第一限位件101带动第一摆杆1012退出支架侧壁和粉仓侧壁之间的间隙，第二限位件102带动第二摆杆1013锲入支架侧壁和粉仓侧壁之间的间隙内，使得粉仓移动弹簧401复位，进而控制粉仓100远离图像形成装置的动力部；粉仓100远离图像形成装置的动力部到最大位置，驱动力接收头301和图像形成装置的动力部脱离啮合。第一限位件101和第二限位件102也分别与第一卡位105和第二卡位106恢复接触状态；随着图像形成装置的继续推动，第一限位件101和第二限位件102分别通过第一卡位105和第二106推动粉仓100向后移动，使显影辊200与设置在图像形成装置上的感光鼓相分离。
本实施例还可以做相关的变形，如第一限位件101上不设置第一摆杆1012，只是由第二限位件102带动第二摆杆1013锲入或者退出支架侧壁和粉仓侧壁之间的间隙，使得粉仓移动弹簧401复位或者被压缩，进而控制粉仓100远离或接近图像形成装置的动力部，完成驱动头与驱动力接收头的接驳。还可以不在第二限位件102上设置第二摆杆1013，只在第一限位件101上设置第一摆杆1012，只由第一限位件101带动第一摆杆1012锲入或者退出支架侧壁和粉仓侧壁之间的间隙，使得粉仓移动弹簧401被压缩或者复位，进而控制粉仓100接近或远离图像形成装置的动力部，完成 驱动头与驱动力接收头的接驳。还可以不设置粉仓移动弹簧。
实施例3
参照图13、图14a和图14b，本实施例与实施例2不同的地方在于：在粉仓未设置驱动力接收组件的侧壁与支架400之间设置有粉仓移位控制组件，用于替代第一摆杆/和第二摆杆使得粉仓移动弹簧401被压缩或者复位，进而控制粉仓100接近或远离图像形成装置的动力部，完成驱动头与驱动力接收头的接驳。粉仓移位控制组件包括滑块107、第一活动杆108、第二活动杆109、滑块弹簧402。滑块弹簧402一端固定在支架400上、另一端与滑块107连接，滑块107沿着支架侧壁方向可相对支架侧壁移动设置。滑块107在滑块弹簧402的弹力作用下可沿着垂直于旋转轴L的方向移动。
第二活动杆109呈横卧的T字形，横杆的端部通过铰链活动设置支架400上，竖杆部分形成一个活动杆转轴；所述滑块107通过设置于滑块107上的套圈套设在设置于活动杆转轴上并可带动活动杆转轴移动；第一活动杆108的一端套设在活动杆转轴上并可绕活动杆转轴旋转，第一活动杆108的另一端(自由端)可与粉仓100的侧壁相接触。活动杆转轴的轴线与旋转轴L相垂直，且与和滑块的移动方向相垂直。
参照图15a、15b、16、17，可以理解滑块移动时与第一、第二活动杆间的动作关系。参照图15a、图16，当滑块107被滑块弹簧402推动到远离支架400的最大位置时，第一活动杆108和第二活动杆109的横杆间呈一定的夹角，第一活动杆108和第二活动杆109相对设置的两端(外侧两端)之间的距离为L1。当滑块107向靠近支架400内侧的方向移动时，滑块弹簧402被压缩，滑块107通过套圈带动活动杆转轴移动，迫使第一活动杆108绕活动杆转轴旋转，第一活动杆108和第二活动杆109的横杆之间的夹角变大，随着滑块107的移动，第一活动杆108和第二活动杆109的横杆相对设置的两端之间的距离逐渐变大，当滑块107到达最接近支架400后侧(远离粉仓)的位置时，第一活动杆108和第二活动杆109相对设置的两端之间的距离变为最大，为L2，L2＞L1，参照图15b、图17。
当处理盒安装到图像形成装置后、还未开始成像工作时，滑块107在 滑块弹簧402的推动下距离支架400最远，第一活动杆108和第二活动杆109横杆相对设置的两端间的距离最小，第一活动杆108与第二活动杆109横杆之间的夹角最小，且由于不存在外力作用，可将此时滑块弹簧402所处的状态称之为原始状态，即无外力作用时滑块弹簧402所处的状态。此时，粉仓100在粉仓移动弹簧401的推动下，处于远离图像形成装置的动力部的一侧，设置在粉仓100上的驱动组件300也远离图像形成装置的动力部，驱动力接收头301与图像形成装置的动力部分离(图13)。
当准备显影时，图像形成装置推动第一限位件101和第二限位件102向前移动，第一限位件101和第二限位件102分别通过压缩第一弹簧103和第二弹簧104驱动支架400和粉仓向前移动，当显影辊和设置在图像形成装置上的感光鼓接触时，粉仓和支架停止移动；此时，滑块107不与滑块弹簧相接触的一端(自由端)抵触到图像形成装置，使滑块107开始压缩滑块弹簧402，滑块107通过套圈带动活动杆转轴移动，迫使第一活动杆108绕活动杆转轴旋转，第一活动杆108和第二活动杆109的横杆相对设置的两端之间的距离开始变大，第一活动杆108的外侧一端抵触到粉仓，第二活动杆109横杆的外侧一端抵触到支架侧壁，由于支架侧壁相对固定，第一活动杆108将粉仓100向靠近图像形成装置的动力部的方向推，当滑块107被推至最靠近支架400后侧(远离粉仓)时，也就是滑块弹簧402处于最大压缩量时，第一活动杆108和第二活动杆109相对设置的两端(外侧的两端)之间的距离达到最大，第一活动杆108与第二活动杆109横杆之间的夹角最大，粉仓100被推到最靠近图像形成装置动力部，驱动力接收组件300也最靠近图像形成装置动力部一侧，驱动力接收头301可以和图像形成装置上的动力部啮合(图18)。
当成像结束后，当图像形成装置推动第一限位件101和第二限位件102向后移动，驱动力接收头与图像形成装置的动力部仍相啮合无法移动，第一限位件101和第二限位件102在垂直于旋转轴L的方向上发生位移，滑块107向远离支架的方向移动，带动活动杆转轴(第二活动杆109竖杆)并移动，进而带动第一活动杆108绕活动杆转轴旋转，使第一活动杆108和第二活动杆109相对设置的两端之间的距离开始变小，粉仓开始远离图像形成装置的动力部；当粉仓100远离图像形成装置的动力部到最大位置， 驱动力接收头301和图像形成装置的动力部脱离啮合，随着图像形成装置的继续推动，第一限位件101和第二限位件102分别通过第一卡位105和第二卡位106推动粉仓100向后移动，使显影辊200与设置在图像形成装置上的感光鼓相分离。
本实施例还可以做相关变形，例如将粉仓移位组件与驱动力接收组件同侧设置，当处理盒安装到图像形成装置后、还未开始成像工作时，滑块弹簧402带动滑块107处于最接近支架400的后侧位置，第一活动杆108和第二活动杆109的横杆相对设置的两端间的距离最大，粉仓处于远离图像形成装置的动力部的一侧，设置在粉仓100上的驱动组件300也远离图像形成装置的动力部，驱动力接收头301与图像形成装置的动力部分离，当准备显影时，图像形成装置推动第一限位件101和第二限位件102向前移动，并通过压缩第一弹簧103和第二弹簧104驱动支架400和粉仓向前移动，粉仓向前移动时滑块107压缩滑块弹簧402，并带动活动杆转轴移动，使第一活动杆108和第二活动杆109的横杆相对设置的两端之间的距离开始变小，粉仓100被推到最靠近图像形成装置动力部，驱动力接收组件300也最靠近图像形成装置动力部一侧，驱动力接收头301可以和图像形成装置上的动力部啮合。
或者，在粉仓两端的侧壁与支架之间均设置粉仓移位控制组件，与驱动力接收组件同侧的粉仓移位控制组件的滑块与第一、第二活动杆的动作过程，和设置于驱动力接收组件相对侧的粉仓移位控制组件的滑块与第一、第二活动杆的动作过程正好相反。即当与驱动力接收组件同侧设置的粉仓移位控制组件的第一活动杆和第二活动杆的横杆相对设置的两端之间的距离最大时，设置于驱动力接收组件相对侧的粉仓移位控制组件的第一活动杆和第二活动杆相对设置的两端之间的距离最小，此时粉仓最远离图像形成装置动力部，驱动力接收头和图像形成装置上的动力部脱离；当与驱动力接收组件同侧设置的粉仓移位控制组件的第一活动杆和第二活动杆的横杆相对设置的两端之间的距离最小时，设置于驱动力接收组件相对侧的粉仓移位控制组件的第一活动杆和第二活动杆横杆相对设置的两端之间的距离最大，此时粉仓最靠近图像形成装置动力部，驱动力接收头可以和图像形成装置上的动力部啮合。当粉仓两端的侧壁与支架之间均设置粉仓移位 控制组件时还可以不设置粉仓移动弹簧。
实施例4
本实施例与实施例3的区别仅在于，粉仓移位控制组件中第二活动杆的形状，以及活动杆转轴固定设在滑块107上，随滑块移动。第二活动杆109呈杆状，第二活动杆109的一端(自由端)自由地与支架400接触(也通过铰链活动设置支架400上)，另一端套设在设置于滑块107上的活动杆转轴上并可绕活动杆转轴旋转。第一活动杆108的一端套设在活动杆转轴上并可绕活动杆转轴旋转，第一活动杆108的另一端(自由端)可与粉仓100的侧壁相接触。活动杆转轴的轴线与旋转轴L相垂直，且与和滑块的移动方向相垂直。
参考图15a、15b、16、17，可以理解滑块移动时与第一、第二活动杆间的动作关系。参考图15a、图16，当滑块107被滑块弹簧402推动到远离支架400的最大位置时，第一活动杆108和第二活动杆109的间成一定的夹角，第一活动杆108和第二活动杆109相对设置的两端(外侧两端)之间的距离为L1。当滑块107向靠近支架400内侧的方向移动时，滑块弹簧402被压缩，第一活动杆108和第二活动杆109在滑块107的带动下，绕活动杆转轴旋转，随着滑块107的移动，第一活动杆108和第二活动杆109相对设置的两端之间的距离逐渐变大，当滑块107到达最接近支架400的位置时，第一活动杆108和第二活动杆109相对设置的两端之间的距离变为最大，为L2，L2＞L1，参考图15b、图17。
当处理盒安装到图像形成装置后、还未开始成像工作时，滑块107在滑块弹簧402的推动下距离支架400最远，第一活动杆108和第二活动杆109相对设置的两端间的距离最小，此时，粉仓100在粉仓移动弹簧401的推动下，处于远离图像形成装置的动力部的一侧，设置在粉仓100上的驱动组件300也远离图像形成装置的动力部，驱动力接收头301与图像形成装置的动力部分离(图13)。
当准备显影时，图像形成装置推动第一限位件101和第二限位件102向前移动，第一限位件101和第二限位件102分别通过压缩第一弹簧103和第二弹簧104驱动支架400和粉仓向前移动，当显影辊和设置在图像形 成装置上的感光鼓接触时，粉仓和支架停止移动；此时，滑块107不与滑块弹簧相接触的一端(自由端)抵触到图像形成装置，使滑块107开始压缩滑块弹簧402，第一活动杆108和第二活动杆109在滑块107的带动下开始旋转，第一活动杆108和第二活动杆109相对设置的两端之间的距离开始变大，第一活动杆108的外侧一端抵触到粉仓，第二活动杆109的外侧一端抵触到支架侧壁，将粉仓100向靠近图像形成装置的动力部的方向推，当滑块107被推至最靠近支架400后侧(远离粉仓)时，第一活动杆108和第二活动杆109相对设置的两端(外侧的两端)之间的距离达到最大，粉仓100被推到最靠近图像形成装置动力部，驱动力接收组件300也最靠近图像形成装置动力部一侧，驱动力接收头301可以和图像形成装置上的动力部啮合(图18)。
当成像结束后，当图像形成装置推动第一限位件101和第二限位件102向后移动，驱动力接收头与图像形成装置的动力部仍相啮合无法移动，第一限位件101和第二限位件102在垂直于旋转轴L的方向上发生位移，滑块107向远离支架的方向移动，并带动第一活动杆108和第二活动杆109绕转轴旋转，使第一活动杆108和第二活动杆109相对设置的两端之间的距离开始变小，粉仓开始远离图像形成装置的动力部；当粉仓100远离图像形成装置的动力部到最大位置，驱动力接收头301和图像形成装置的动力部脱离啮合，随着图像形成装置的继续推动，第一限位件101和第二限位件102分别通过第一卡位105和第二106推动粉仓100向后移动，使显影辊200与设置在图像形成装置上的感光鼓相分离。
本实施例还可以做相关变形，例如将粉仓移位组件与驱动力接收组件同侧设置，当处理盒安装到图像形成装置后、还未开始成像工作时，滑块弹簧402带动滑块107处于最接近支架400的后侧位置，第一活动杆108和第二活动杆109相对设置的两端间的距离最大，粉仓处于远离图像形成装置的动力部的一侧，设置在粉仓100上的驱动组件300也远离图像形成装置的动力部，驱动力接收头301与图像形成装置的动力部分离，当准备显影时，图像形成装置推动第一限位件101和第二限位件102向前移动，并通过压缩第一弹簧103和第二弹簧104驱动支架400和粉仓向前移动，粉仓向前移动时滑块107压缩滑块弹簧402，使第一活动杆108和第二活 动杆109相对设置的两端之间的距离开始变小，粉仓100被推到最靠近图像形成装置动力部，驱动力接收组件300也最靠近图像形成装置动力部一侧，驱动力接收头301可以和图像形成装置上的动力部啮合。
或者，在粉仓两端的侧壁与支架之间均设置粉仓移位控制组件，与驱动力接收组件同侧的粉仓移位控制组件的滑块与第一、第二活动杆的动作过程，和设置于驱动力接收组件相对侧的粉仓移位控制组件的滑块与第一、第二活动杆的动作过程正好相反。即，当与驱动力接收组件同侧设置的粉仓移位控制组件的第一活动杆和第二活动杆相对设置的两端之间的距离最大时，设置于驱动力接收组件相对侧的粉仓移位控制组件的第一活动杆和第二活动杆相对设置的两端之间的距离最小，此时粉仓最远离图像形成装置动力部，驱动力接收头和图像形成装置上的动力部脱离；当与驱动力接收组件同侧设置的粉仓移位控制组件的第一活动杆和第二活动杆相对设置的两端之间的距离最小时，设置于驱动力接收组件相对侧的粉仓移位控制组件的第一活动杆和第二活动杆相对设置的两端之间的距离最大，此时粉仓最靠近图像形成装置动力部，驱动力接收头可以和图像形成装置上的动力部啮合。当粉仓两端的侧壁与支架之间均设置粉仓移位控制组件时还可以不设置粉仓移动弹簧。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，如可以结合实施例2和3，或者2和4的结构将实施例2中的摆杆的自由端固定到实施3中的滑块107上，依靠摆杆的摆动推动滑块107移动，实现粉仓的沿驱动力接收组件旋转轴的轴向相对支架移动。另外，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽范围。

Claims (22)

  1. 一种处理盒，可拆卸地安装于图像形成装置中，包括：
    粉仓，用于容纳显影剂；
    显影辊；
    驱动力接收组件，用于接收图像形成装置的驱动力并驱动显影辊旋转；
    其特征在于，还包括：
    设置于粉仓底部的第一限位件和第二限位件，所述第一限位件和第二限位件可相对粉仓沿垂直于驱动力接收组件轴向的方向移动；
    所述第一限位件和/或第二限位件移动时，能够使得驱动力接收组件的驱动力接收头沿其轴向移动。
  2. 根据权利要求1所述的处理盒，其特征在于：所述第一限位件或第二限位件相对粉仓向前移动时，能够使得驱动力接收组件的驱动力接收头沿其轴向向外伸出；所述第一限位件或第二限位件相对粉仓向后移动时，能够使得驱动力接收组件的驱动力接收头沿其轴向向内收缩。
  3. 根据权利要求2所述的处理盒，其特征在于：所述第一限位件通过转轴设置于粉仓的轴向一侧壁上，且所述粉仓的该侧壁还设有第一卡位，在第一限位件和粉仓之间设置有第一弹簧，所述第一弹簧处于预压缩状态，以使所述第一限位件抵接于所述第一卡位；存在外力使得所述第一限位件克服所述第一弹簧的预压缩力时，所述第一限位件能够脱离所述第一卡位、绕该转轴相对所述粉仓向前转动，并进一步地压缩所述第一弹簧；
    所述第二限位件通过转轴设置于粉仓的轴向另一侧壁上，且所述粉仓的该侧壁还设有第二卡位，在第二限位件和粉仓之间设置有第二弹簧，所述第二弹簧处于预压缩状态，以使所述第一限位件抵接于所述第二卡位；存在外力使得所述第二限位件克服所述第二弹簧的预压缩力时，所述第二限位件能够脱离所述第二卡位、绕该转轴相对所述粉仓向前转动，并进一步地压缩所述第二弹簧。
  4. 根据权利要求1-3中任意一个所述的处理盒，其特征在于：所述驱动力接收组件包括驱动力接收头、复位弹簧、驱动块、驱动齿轮、定位支架和限位支架；所述定位支架、驱动齿轮在驱动力接收组件的轴向上相对 于粉仓固定，所述第一限位件通过连杆与所述定位支架相连，并可通过连杆驱动所述定位支架绕驱动力接收组件的轴向转动；
    所述限位支架设置于所述定位支架上，所述定位支架上具有沿驱动力接收组件的轴向突出的推动突起部，所述推动突起部具有连接定位支架顶面和推动突起部顶面的移动斜面，所述限位支架底部设置有与定位支架相抵接的突起部，所述定位支架绕旋驱动力接收组件的轴向转动时，限位支架的突起部可沿移动斜面在定位支架顶面和推动突起部顶面之间移动；
    所述驱动块设置于限位支架上，所述驱动齿轮套在驱动块外，所述驱动力接收头穿过驱动齿轮和驱动块、并延伸至限位支架中，所述复位弹簧套在驱动力接收头外，且一端与驱动齿轮抵顶、另一端与驱动块抵顶。
  5. 根据权利要求4所述的处理盒，其特征在于：所述推动突起部设于所述定位支架的外缘。
  6. 根据权利要求4中任意一个所述的处理盒，其特征在于：第一限位件和第二限位件在图像形成装置的推动下，能够带动粉仓、显影辊移动。
  7. 一种处理盒，可拆卸地安装于图像形成装置中，包括：
    粉仓，用于容纳显影剂；
    显影辊；
    驱动力接收组件，用于接收图像形成装置的驱动力并驱动显影辊旋转；
    其特征在于，还包括：
    支架，所述粉仓能够沿驱动力接收组件的轴向移动地设置于所述支架；
    设置于支架上的第一限位件和第二限位件，所述第一限位件、第二限位件可相对支架沿垂直于驱动力接收组件轴向的方向移动；
    所述第一限位件和/或第二限位件移动时，能够使得粉仓相对于所述支架沿驱动力接收组件的轴向移动。
  8. 根据权利要求7所述的处理盒，其特征在于：所述第一限位件和/或第二限位件移动时，能够使得粉仓相对于所述支架沿驱动力接收组件的轴向靠近或远离图像形成装置的动力部。
  9. 根据权利要求8所述的处理盒，其特征在于：所述第一限位件和/或第二限位件相对粉仓向前移动时，能够使得粉仓沿驱动力接收组件的轴向靠近图像形成装置的动力部；所述第一限位件和/或第二限位件相对粉仓 向后移动时，能够使得粉仓沿驱动力接收组件的轴向远离图像形成装置的动力部。
  10. 根据权利要求7所述的处理盒，其特征在于：所述粉仓的至少一侧壁与所述支架之间设置有粉仓移动弹簧，所述粉仓移动弹簧能够使得粉仓靠近或远离图像形成装置的动力部。
  11. 根据权利要求10所述的处理盒，其特征在于：所述第一限位件连接有第一摆杆，第一限位件和第一摆杆通过转轴与支架的轴向一侧壁相连，在第一限位件和粉仓之间设置有第一弹簧，第一弹簧的两端分别抵在第一限位件和支架上；
    所述第二限位件连接有第二摆杆，第二限位件和第二摆杆通过转轴与支架的轴向另一侧壁相连，在第二限位件和支架之间设置有第二弹簧，第二弹簧的两端分别抵在第二限位件和支架上。
  12. 根据权利要求11所述的处理盒，其特征在于：设有第一限位件的支架侧壁与该侧的粉仓侧壁之间具有第一间隙，设有第二限位件的支架侧壁与该侧的粉仓侧壁之间具有第二间隙；
    第一限位件转动时，能够驱使所述第一摆杆锲入或退出所述第一间隙，第二限位件转动时，能够驱使所述第二摆杆锲入或退出所述第二间隙。
  13. 根据权利要求12所述的处理盒，其特征在于：所述第一摆杆锲入所述第一间隙时，所述第二摆杆退出所述第二间隙；第二摆杆锲入所述第二间隙时，所述第一摆杆退出所述第一间隙。
  14. 根据权利要求9所述的处理盒，其特征在于：还包括粉仓移位控制组件，所述粉仓移位控制组件设置于粉仓的侧壁与支架之间，所述粉仓移位控制组件包括滑块、第一活动杆、第二活动杆及滑块弹簧；
    所述滑块弹簧的一端固定在支架上、另一端与滑块连接，存在外力使得所述滑块克服所述滑块弹簧的弹性力时，所述滑块能够相对支架侧壁移动；
    所述滑块还连接有活动杆转轴，所述第一活动杆、所述第二活动杆均可转动地连接于所述活动杆转轴，所述第一活动杆远离所述活动杆转轴的一端与粉仓的侧壁相接触或者铰接，所述第二活动杆远离所述活动杆转轴的一端与支架相接触或者铰接；
    所述滑块带动所述活动杆转轴运动时，能够改变所述第一活动杆、所述第二活动杆间的夹角，以驱使所述粉仓相对所述支架轴向移动。
  15. 根据权利要求14所述的处理盒，其特征在于：所述滑块弹簧处于原始状态时，所述第一活动杆和所述第二活动杆间的夹角最小；所述滑块弹簧受外力作用产生最大变形量时，第一活动杆和第二活动杆间的夹角最大。
  16. 根据权利要求15所述的处理盒，其特征在于：所述粉仓移位控制组件设置于所述粉仓远离所述驱动力接收组件的轴向侧壁与支架之间，
  17. 根据权利要求16所述的处理盒，其特征在于：所述粉仓移动弹簧设置于所述粉仓安装有所述驱动力接收组件的轴向侧壁与所述支架之间。
  18. 根据权利要求15所述的处理盒，其特征在于：所述粉仓的轴向两侧壁与支架之间均设置有所述粉仓移位控制组件，与所述驱动力接受组件同侧的所述粉仓移位控制组件为第一控制组件，与所述驱动力接受组件相对侧的所述粉仓移位控制组件为第二控制组件；
    所述第一控制组件的所述第一活动杆、所述第二活动杆处于最大夹角状态时，所述第二控制组件的所述第一活动杆、所述第二活动杆处于最小夹角状态；所述第一控制组件的所述第一活动杆、所述第二活动杆处于最小夹角状态时，所述第二控制组件的所述第一活动杆、所述第二活动杆处于最大夹角状态。
  19. 根据权利要求18所述的处理盒，其特征在于：所述第一限位件连接有第一摆杆，所述第二限位件连接有第二摆杆，且所述第一摆杆、所述第二摆杆分别与相应侧的粉仓移位控制组件的滑块相连；所述第一限位件转动时，能够带动所述第一摆杆转动、以驱动相应侧的所述粉仓移位控制组件的滑块移动；所述第二限位件转动时，能够带动所述第二摆杆转动、以驱动相应侧的所述粉仓移位控制组件的滑块移动。
  20. 根据权利要求15所述的处理盒，其特征在于：所述第二活动杆与所述活动杆转轴一体成型，构成T形杆，该T形杆的竖杆为所述活动杆转轴，该T形杆的横杆的端部铰接于所述支架；所述滑块设有套圈，所述套圈套设于活动杆转轴，所述滑块能够带动活动杆转轴移动。
  21. 根据权利要求15所述的处理盒，其特征在于：所述活动杆转轴固 定设在滑块上，随滑块移动；第二活动杆的一端套设在活动杆转轴上，并可绕活动杆转轴旋转；第一活动杆的一端套设在活动杆转轴上，并可绕活动杆转轴旋转。
  22. 根据权利要求15所述的处理盒，其特征在于：所述活动杆转轴的轴线与驱动力接收组件的轴线相垂直，且与和滑块的移动方向相垂直；在所述滑块弹簧和外力作用下，所述滑块能够沿着垂直于驱动力接收组件轴向的方向往复移动。
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