WO2024061355A1 - 一种处理盒 - Google Patents

一种处理盒 Download PDF

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Publication number
WO2024061355A1
WO2024061355A1 PCT/CN2023/120759 CN2023120759W WO2024061355A1 WO 2024061355 A1 WO2024061355 A1 WO 2024061355A1 CN 2023120759 W CN2023120759 W CN 2023120759W WO 2024061355 A1 WO2024061355 A1 WO 2024061355A1
Authority
WO
WIPO (PCT)
Prior art keywords
separation
force
process cartridge
receiving member
photosensitive drum
Prior art date
Application number
PCT/CN2023/120759
Other languages
English (en)
French (fr)
Inventor
龚小敏
敖仕平
徐荣力
Original Assignee
江西亿铂电子科技有限公司
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 江西亿铂电子科技有限公司 filed Critical 江西亿铂电子科技有限公司
Publication of WO2024061355A1 publication Critical patent/WO2024061355A1/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
    • 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

Definitions

  • the present invention relates to the field of electrophotographic imaging technology, and in particular to a process box.
  • an electrophotographic photosensitive member hereinafter referred to as a photosensitive drum
  • a processing device acting on the photosensitive drum are integrally formed into a cartridge, which cartridge can be obtained from the image forming apparatus
  • a cartridge which cartridge can be obtained from the image forming apparatus
  • a process cartridge usually includes a developing unit and a drum unit.
  • the developing unit includes a developing roller and a gear train that can receive external force to drive the developing roller to rotate.
  • the drum unit includes a photosensitive drum.
  • the developing roller remains in contact with the photosensitive drum to allow the developer on the developing roller to be transferred to the photosensitive drum.
  • the developing roller and the photosensitive drum need to be as close as possible. Keep the separation to prevent the outer surface of the soft developing roller from being deformed due to long-term contact with the photosensitive drum, thereby affecting the imaging effect of the process box. Therefore, the state switching of the contact or separation between the developing roller and the photosensitive drum needs to rely on the imaging equipment Or the separation contact mechanism provided on the process box can be realized.
  • a processing box including;
  • a photosensitive drum that can rotate around a photosensitive drum rotation axis extending along the first direction;
  • a drum unit including the photosensitive drum
  • a developing roller configured to deposit developer onto the photosensitive drum
  • a developing unit includes the developing roller and is movable between a contact position in which the developing roller and the photosensitive drum are in contact with each other and a separation position in which at least one portion of the developing roller is in contact with the photosensitive drum. A part is separated from the photosensitive drum;
  • a force receiving member including a forced pushing surface configured to receive an external force to force the developing unit to move from the contact position to the separation position;
  • the restricted portion is configured to restrict the relative position between the developing unit and the drum unit. When the developing unit is located at the separation position, the restricted portion is located at the first position, and when the developing unit is located at the contact position, the restricted portion is located at the second position;
  • an elastic member that can apply an elastic force to the developing unit so that the developing unit has a tendency to move from the separation position toward the contact position;
  • the process cartridge further includes a restricting portion for restricting the restricted portion.
  • a restricting portion for restricting the restricted portion.
  • the processing box also includes a coupling member that can receive external force and drive the developing roller to rotate, and a bearing cover that can rotatably support and cover at least a portion of the coupling member, and the restricted portion is arranged on the bearing cover.
  • At least one of the limiting portion and the restricted portion can move elastically after being subjected to force.
  • the restricted portion is configured as an elastically movable protrusion.
  • the restricting portion is configured as a blocking protrusion that cooperates with the protrusion to inhibit the developing unit from moving from the separation position toward the contact position.
  • the drum unit includes a protective cover provided at one end of the drum unit in the first direction, and the limiting portion is provided on the protective cover.
  • the force receiving member is mounted on the drum unit and is movable relative to the photosensitive drum in a direction crossing the rotation axis of the photosensitive drum.
  • the process cartridge further includes a connecting portion, and the restricted portion is connected to the developing unit through the connecting portion and is rotatable around a rotation axis extending in a direction intersecting the first direction.
  • the process cartridge further includes a first elastic member operably connected to the restricted portion, and when the developing unit is located in the separated position, the first elastic member can apply an elastic force to the The restricted part can stably maintain the restricted part in the first position.
  • the restricted portion is provided on the force receiving member and can move together with the force receiving member.
  • the present invention provides a processing box, which includes a separation contact mechanism.
  • the separation contact mechanism can force a developing roller and a photosensitive drum to contact and separate after receiving an external force, and can also maintain the separation state of the developing roller and the photosensitive drum after the external force is removed.
  • the response speed is fast and the working state is stable.
  • FIG. 1 is a schematic diagram of an imaging device before a process cartridge is installed on a tray in Embodiment 1 of the present invention
  • Figure 2 is a schematic diagram of the imaging device when the process cartridge is installed on the tray in Embodiment 1 of the present invention
  • Figure 3 is a schematic diagram when the process cartridge and tray are located in the imaging device in Embodiment 1 of the present invention.
  • FIG. 4 is a schematic diagram of an image forming device in front of a process cartridge pressed by a pressing member in Embodiment 1 of the present invention
  • Figure 5 is a schematic diagram of the imaging device when the pressing member presses the process cartridge in Embodiment 1 of the present invention
  • Figure 6 is a schematic diagram of the separation control unit of the imaging device in Embodiment 1 of the present invention.
  • Figure 7 is a schematic diagram of the process box from a certain angle in Embodiment 1 of the present invention.
  • Figure 8 is a schematic diagram of the process box in Embodiment 1 of the present invention from another angle;
  • Figure 9 is a schematic diagram of the driving end of the process cartridge in Embodiment 1 of the present invention.
  • Figure 10 is an exploded schematic diagram of the separation contact mechanism of the process cartridge in Embodiment 1 of the present invention.
  • FIG 11 is a schematic diagram of the drum frame in Embodiment 1 of the present invention.
  • Figure 12 is a schematic diagram when the force receiving member is installed on the drum frame in Embodiment 1 of the present invention.
  • Figure 13 is a schematic view of the force receiving member of the process cartridge before being pressed by the pressing member in Embodiment 1 of the present invention
  • Figure 14 is a schematic diagram after the force receiving member of the process cartridge is pressed by the pressing member in Embodiment 1 of the present invention.
  • FIG. 15 is a schematic diagram of the first forced pushing surface of the separation control member forcing the first forced pushing surface of the pushing force receiving member to bring the developing roller and the photosensitive drum into contact in Embodiment 1 of the present invention
  • FIG. 16 is a schematic diagram of a separation control member located in a space between a first forced pushing surface and a second forced pushing surface in Embodiment 1 of the present invention
  • FIG. 17 is a schematic diagram of the second forced pushing surface of the separation control member forcing the second forced pushing surface of the pushing force receiving member to separate the developing roller and the photosensitive drum in Embodiment 1 of the present invention
  • Figure 18 is a schematic diagram of the process box from a certain angle in Embodiment 2 of the present invention.
  • Figure 19 is a schematic diagram of the processing box after the developing unit and drum unit are separated in Embodiment 2 of the present invention.
  • FIG. 20 is a schematic diagram of the drum unit in Embodiment 2 of the present invention.
  • Figure 21 is an exploded schematic diagram of the drum unit in Embodiment 2 of the present invention.
  • Figure 22 is a schematic diagram of the drum frame in Embodiment 2 of the present invention.
  • Figure 23 is a schematic diagram of the developing unit in Embodiment 2 of the present invention.
  • Embodiment 24 is an exploded schematic diagram of a developing unit in Embodiment 2 of the present invention.
  • Figure 25 is a schematic cross-sectional view of the process cartridge when the restricted member is in the second position in Embodiment 2 of the present invention.
  • FIG. 26 is a cross-sectional schematic diagram of the process cartridge when the limiting member is in the first position in Embodiment 2 of the present invention.
  • Figure 27 is a schematic diagram of the process box in Embodiment 2 of the present invention from another angle;
  • Figure 28 is a schematic cross-sectional view of the separation contact mechanism at the left end of the process cartridge in Embodiment 2 of the present invention.
  • FIG. 29 is a schematic diagram of the drum unit in Embodiment 3 of the present invention.
  • Figure 30 is an exploded schematic diagram of the drum unit in Embodiment 3 of the present invention.
  • FIG. 31 is a schematic diagram of a force receiving member in Embodiment 3 of the present invention.
  • Figure 32 is a schematic diagram of the process box from a certain angle in Embodiment 4 of the present invention.
  • Figure 33 is an exploded schematic diagram of the separation contact mechanism of the process cartridge in Embodiment 4 of the present invention.
  • Figure 34 is a schematic diagram of the process box in Embodiment 4 of the present invention from another angle;
  • Figure 35 is a schematic diagram of the developing unit of the process cartridge in the contact position in Embodiment 4 of the present invention.
  • Figure 36 is a schematic diagram of the developing unit of the process cartridge in the separated position in Embodiment 4 of the present invention.
  • Figure 37 is the movement process of the restricted part in the restricting part when the developing unit moves from the contact position to the separation position in Embodiment 4 of the present invention.
  • Figure 38 is a schematic diagram of the process box when the force receiving member is in the first position in Embodiment 5 of the present invention.
  • Figure 39 is a schematic diagram of the process box when the force receiving member is in the second position in Embodiment 5 of the present invention.
  • Figure 40 is a schematic diagram of the process box from an angle in which the force receiving member is disassembled from the process box in Embodiment 5 of the present invention.
  • Figure 41 is a schematic diagram of the process box from another angle in which the force receiving member is disassembled from the process box in Embodiment 5 of the present invention.
  • Figure 42 is an enlarged schematic diagram of the restriction part in Embodiment 5 of the present invention.
  • FIG. 43 is a schematic diagram of the engagement position of the force receiving member when the developing unit is in the separated position in Embodiment 5 of the present invention.
  • Figure 44 is a schematic diagram of the engagement position of the force receiving member when the developing unit is in the contact position in Embodiment 5 of the present invention.
  • Figure 45 is a schematic diagram of the process box in Embodiment 6 of the present invention.
  • Figure 46 is a schematic diagram of the protective cover disassembled from the process box in Embodiment 6 of the present invention.
  • Figure 47 is a schematic diagram of the restricted portion located on the bearing cap in Embodiment 6 of the present invention.
  • Figure 48 is a schematic diagram of the restriction portion located on the protective cover in Embodiment 6 of the present invention.
  • Figure 49 is a schematic diagram when the restricted part is in the first position in Embodiment 6 of the present invention.
  • Figure 50 is a schematic diagram when the restricted part is in the second position in Embodiment 6 of the present invention.
  • Figure 51 is a schematic diagram of the process box in Embodiment 7 of the present invention.
  • Figure 52 is an exploded schematic diagram of the separation contact mechanism in Embodiment 7 of the present invention.
  • Figure 53 is a schematic diagram when the force receiving member is in the first position in Embodiment 7 of the present invention.
  • Figure 54 is a schematic diagram when the force receiving member is in the second position and is not pushed by external force in Embodiment 7 of the present invention.
  • Figure 55 is a schematic diagram of the separation contact mechanism when the developing roller contacts the photosensitive drum in Embodiment 7 of the present invention.
  • Figure 56 is a schematic diagram of the separation contact mechanism when the developing roller and the photosensitive drum are separated in Embodiment 7 of the present invention.
  • 57 is a schematic diagram of a process cartridge at a certain angle when the force receiving member is in the first position in Embodiment 8 of the present invention.
  • Figure 58 is a schematic diagram of the process box from a certain angle when the force receiving member is in the second position in Embodiment 8 of the present invention.
  • Figure 59 is a schematic diagram of the process box in Embodiment 8 of the present invention from another angle;
  • Figure 60 is an exploded schematic diagram of the separation contact mechanism of the process cartridge in Embodiment 8 of the present invention.
  • Figure 61 is a schematic diagram of the separation contact mechanism when the developing roller contacts the photosensitive drum in Embodiment 8 of the present invention.
  • Figure 62 is a schematic diagram of the separation contact mechanism when the developing roller and the photosensitive drum are separated in Embodiment 8 of the present invention.
  • Figure 63 is a schematic diagram of the process box in Embodiment 9 of the present invention.
  • Figure 64 is an exploded schematic diagram of the separation contact mechanism of the process cartridge in Embodiment 9 of the present invention.
  • Figure 65 is a schematic view of the process box from a certain angle when the developing roller and the photosensitive drum are separated in Embodiment 10 of the present invention.
  • Figure 66 is a schematic diagram of the process cartridge at a certain angle when the developing roller is in contact with the photosensitive drum in Embodiment 10 of the present invention.
  • Figure 67 is a schematic view of the process box from a certain angle in Embodiment 10 of the present invention.
  • Figure 68 is an exploded schematic diagram of the process cartridge in Embodiment 10 of the present invention.
  • Figure 69 is a schematic diagram of the process box in Embodiment 11 of the present invention.
  • Figure 70 is a schematic diagram of the force receiving component in Example 11 of the present invention.
  • an imaging device 1 using an electrophotographic forming process in the prior art and a process cartridge 100 provided in this embodiment 1 are disclosed.
  • the process cartridge 100 is detachably installed in the imaging device 1 It can cooperate with the imaging device 1 to record the content to be displayed on the recording medium (such as paper).
  • the imaging apparatus 1 and the process cartridge 100 will be described in detail respectively with reference to the accompanying drawings.
  • the imaging device 1 is a four-color full-color laser printer that uses an electrophotographic process and can form a color image on a recording medium.
  • the imaging device 1 1 includes a housing body 2 and an inner cavity 3 formed in the housing body.
  • the imaging device 1 also has an opening 4 communicating the inner cavity 3 and the outside of the imaging device 1 and a door cover 5 that can cover the opening 4.
  • the door cover 5 can be exposed when exposed.
  • the door cover 5 is pivoted between the open position of the opening 4 and the closed position of the opening 4, that is, the door cover 5 can be opened or closed.
  • the side on which the door cover 5 is set is the rear side.
  • the side opposite to the rear side is the front side
  • the right side of the imaging device 1 viewed from behind is the right side
  • the left side is the left side
  • the upper side is the upper side
  • the lower side is the lower side
  • a tray 6 is accommodated, and the tray 6 can be inserted into the inner cavity 3 of the imaging device 1 in a back-to-front direction, or can be extracted from the inner cavity 3 of the imaging device 1 in a front-to-back direction
  • the tray 6 has four cartridge accommodating portions 7 spaced apart in the front and rear directions.
  • Four process cartridges 100 with substantially the same structure but different colors of developers contained therein can be correspondingly installed in the cartridge accommodating portions 7 and can Follow the movement of the tray 6; four sets of driving members 8 are provided on the right side of the imaging device 1.
  • the driving members 8 can receive the driving force output by the motor in the imaging device 1 and rotate.
  • the process cartridge 100 is installed on the imaging device 1.
  • the driving member 8 can be coupled with the coupling member 108 (to be described later) in the process cartridge 100 to drive the process cartridge 100 to work.
  • a pair of pressing members 9 are also provided on the upper side of the inner cavity 3 of the imaging device 1.
  • the pair of pressing members 9 are respectively provided on the left and right sides of the inner cavity 3.
  • the pressing members 9 are connected to the door cover through a connecting rod member (not shown). 5 is connected and configured to be movable in the up and down direction in response to the movement of the door cover 5.
  • the pressing member 9 When the process cartridge 100 is installed in the imaging apparatus 1 and the door cover 5 is in the open position, the pressing member 9 is located on the upper side of the process cartridge 100 and Spaced apart from the process cartridge 100 , when the door cover 5 moves from the open position to the closed position, the pressing member 9 moves downward and can press the process cartridge 100 , that is, the pressing member 9 can respond to the opening/closing of the door cover 5 It can move upward/downward by the action so as not to interfere with the insertion and removal operations of the tray 6 and the process cartridge 100 .
  • the image forming apparatus 1 further includes a separation control unit 10 that controls a contact/separation operation of a developing roller 112 (to be described later) and a photosensitive drum 122 (to be described later) by engaging a part of the process cartridge 100 to separate
  • the control unit 10 is respectively disposed at the left and right ends of the lower side of the inner cavity 3 of the imaging device 1 , that is, the separation control unit 10 is disposed on both the driving side (right side) and the non-driving side (left side) of the imaging device 1 .
  • the separate control units 10 on the left and right sides have almost the same functions, so The separation control unit 10 uses the same reference numerals; the separation control unit 10 is arranged below the driving member 8 in the up and down direction, and each side of the separation control unit 10 in the left and right directions has four process cartridges 100 respectively.
  • the separation control members 11 the plurality of separation control members 11 have substantially the same shape, and the separation control members 11 are always connected to the imaging device 1 , however, the separation control members 11 are configured to be at the front and rear by a control mechanism (not shown) direction, in addition, in order to engage the separation control unit 10 with a part of the process cartridge 100 and control the contact/separation operation of the developing roller 112 and the photosensitive drum 122, the separation control unit 10 and a part of the process cartridge 100 are kept overlapped in the up and down direction; More specifically, the separation control unit 10 includes the above-described separation control member 11 having a first force application surface 11 a and a second force application surface 11 a protruding toward the process cartridge 100 (ie, the upper side) and facing each other across the space 12 .
  • the force surface 11b, the first force application surface 11a, and the second force application surface 11b are connected to each other through a connection portion (not shown) on the lower side of the main assembly of the imaging device 1.
  • the separation control member 11 is normally urged upward by the spring 15
  • the control metal plate 14 is pushed and supported rotatably about the rotation center 13, and the control metal plate 14 is configured to move in the front-rear direction by a control mechanism (not shown), so that the separation control member 11 is configured to Movable in the front and rear direction.
  • the processing box 100 in embodiment 1 of the present invention will be described in detail with reference to Figures 1-17.
  • the processing box 100 is as described above, which is detachably installed in the tray 6 and can be installed in the inner cavity 3 of the imaging device 1 together with the tray 6.
  • the length direction of the processing box 100 is the left-right direction (first direction)
  • the coupling member 108 is arranged at the right end (first end) of the processing box 100 in the left-right direction; and, as known above, it is defined that the processing box 100 can be installed in the imaging device 1 along the direction from back to front (second direction), and the up and down direction (third direction) and the left-right direction and the front-back direction are all perpendicular.
  • the process cartridge 100 includes a developing unit 110 and a drum unit 120 that are connected to each other.
  • the developing unit 110 is configured to be swingable relative to the drum unit 120; wherein the developing unit 110 includes a developing frame 111 that can accommodate developer and is supported on the developing frame 111.
  • the developing roller 112 can rotate around the developing roller rotation axis extending in the left and right directions;
  • the drum unit 120 includes a drum frame 121 and a photosensitive drum 122 supported on the drum frame 121, and the photosensitive drum 122 can rotate around the left and right directions.
  • the photosensitive drum rotation axis extending in the direction rotates; a spring 102 is connected between the developing frame 111 and the drum frame 121, and the elastic force generated by the deformation of the spring 102 can be exerted on the developing frame 111 and the drum frame 121, and is arranged In order to keep the developing roller 112 and the photosensitive drum 122 in close contact contact to ensure that when the process cartridge 100 is installed in the imaging device 1 and is in working condition, the developing roller 112 can accurately transport and deposit the developer carried on the developing roller 112 to the photosensitive drum 122 through contact with the photosensitive drum 122 , thereby being used to develop the electrostatic latent image on the photosensitive drum 122 and output the developer image; a coupling member 108 is provided at the right end of the developing unit 110 and the drum unit 120, and the coupling member 108 can be coupled with the driving member 8 of the imaging device 1, And can receive the rotational driving force output by the driving member 8 to rotate.
  • the coupling member 108 is driven to rotate in the clockwise direction.
  • the coupling member 108 can drive the developing roller 112 and the photosensitive drum 122 to rotate respectively; not only that,
  • the process cartridge 100 further includes a storage unit 101 having an electrical contact surface 101a provided at the left upper end of the process cartridge 100 and a storage unit rack (not shown) for mounting the storage unit 101, the electrical contact surface 101a and a photosensitive
  • the drums 122 are arranged in the up and down direction, and the electrical contact surface 101 a is provided at the upper end of the drum frame 121 in the up and down direction.
  • the electrical contact surface 101 a can be electrically connected to the imaging device 1 so that the storage unit 101 can be established with the electrophotographic imaging device 1
  • the communication connection allows the information such as model number, developer capacity, etc. of the process cartridge 100 stored in the storage unit 101 to be read by the imaging device 1.
  • one of the pressing members 9 can press and position the storage unit. rack to ensure the stability of the electrical connection between the storage unit 101 and the imaging device 1 .
  • the developing roller 112 of the developing unit 110 and the photosensitive drum 122 of the drum unit 120 are in contact with each other.
  • the drums 122 are separated from each other, and the process cartridge 100 further includes a separation contact mechanism 130 that makes the developing roller 112 and the photosensitive drum 122 contact or separate from each other.
  • the separation contact mechanism 130 is provided by the developing unit 110 (of course, the separation contact mechanism 130 can also be (provided on the drum unit) movable supports and are respectively provided on the left and right sides of the process cartridge 100, which will make the forces on the left and right sides of the process cartridge 100 relatively balanced.
  • the developing unit 110 When the developing roller 112 and the photosensitive drum 122 are in contact or separated, the developing unit 110 is in a contact position, and when the developing roller 112 and the photosensitive drum 122 are separated from each other, the developing unit 110 is in a separated position, and it is worth mentioning Yes, the separation contact mechanisms 130 on the left and right sides of the process cartridge 100 have almost the same structure and function, so the separation contact mechanisms 130 on the left and right sides use the same reference numerals, and it is precisely because of the structural and functional differences between the two. Basically the same, the separation contact mechanism 130 on the right side will be taken as an example to introduce it in detail, and the separation contact mechanism 130 on the left side will not be repeated.
  • the separation contact mechanism 130 includes a separation holding member 131 as a holding member, a force receiving member 132 as a pressing member, and a first elastic member 133 as a return member, wherein the first elastic member 133 Connected between the separation holding member 131 and the force receiving member 132, preferably, the first elastic member 133 is a tension spring, and the elastic force generated by it can keep the separation holding member 131 and the force receiving member 132 close to each other.
  • the first elastic member 133 will be The separation holding member 131 and the force receiving member 132 will be described in detail.
  • the separation and holding member 131 is provided on the lower side of the developing frame 111 and includes a main body part 131c and a first hole 131a formed in the main body part 131c.
  • the separation and holding member 131 is sleeved on the developing frame 111 through the first hole 131a.
  • the separation holding member 131 further includes a separation holding portion 131b (restricted portion) protruding radially outward from the main body portion 131c, separation The holding part 131b is configured to limit the relative position between the developing unit 110 and the drum unit 120, and to hold the developing unit 110 in the first position of the separated position by the drum unit 120 and the developing unit 110 in the separated position by the drum unit 120.
  • the separation and holding part 131b is in the first position, the free end of the separation and holding part 131b is spaced apart from the pressure-receiving surface 121a of the drum frame 121.
  • the developing roller 112 and the photosensitive drum 122 are held contact, when the separation holding portion 131b is in the second position, at least a portion of the free end of the separation holding portion 131b is farther away from the electrical contact surface 101a in the up-down direction than at least a portion of the free end of the separation holding portion 131b in the first position.
  • the free end of the separation and holding part 131b abuts the pressure surface 121a on the drum frame 121, and the developing roller 112 and the photosensitive drum 122 are kept separated and separated by a certain distance. That is to say, the separation and holding part 111a can be moved without contacting the pressure surface 121a.
  • the pressure surface 121a against the drum frame 121 swings between the pressure surface 121a against the drum frame 121, so that the developing roller 112 and the photosensitive drum 122 remain in contact or separated; in addition, the separation holding member 131 also includes a structure along the main body.
  • the suppressing portion 131d of the portion 131c protrudes downward.
  • the suppressing portion 131d and the lower end of the force receiving member 132 are arranged facing each other.
  • the separation holding member 131 When the separation holding member 131 is in the second position, it can abut against the force receiving member 132 to stabilize it. It is maintained in the second position to inhibit further rotation of the separation holding member 131.
  • the position and structure of the inhibiting portion 131d are not limited as long as it can achieve the technical effect of preventing rotation.
  • the force receiving member 132 is movably arranged on the drum frame 121.
  • the force receiving member 132 is generally rod-shaped and is constructed to extend from the upper side end of the drum frame 121 to the lower side end of the drum frame 121.
  • the force receiving member 132 includes a pressed surface 132a arranged at its upper end, which can be pressed from top to bottom by the pressed member 9 when the door cover 5 moves from the open position to the closed position, and can force the force receiving member 132 to move from the first position to the second position roughly along the top-down direction.
  • the lower end of the force receiving member 132 is farther away from the separation control member 11 in the up and down direction than when it is in the second position.
  • the force receiving member 132 when the force receiving member 132 is in the first position, the lower end of the force receiving member 132 is further retracted into the drum frame 121 than when it is in the second position, so as not to hinder the insertion and removal operations of the tray 6 and the processing box 100; the lower end of the force receiving member 132 is also provided with a forced pushing surface 132b protruding from the force receiving member 132.
  • the forced pushing surface 132b can be forced to push by the separation control member 11 to cause the force receiving member 132 to swing around the axis within the range defined by the limiting portion 121c (described in detail below).
  • the forced pushing surface 132b includes a first forced pushing surface 132b1 and a second forced pushing surface 132b2 which are arranged opposite to each other in the front-to-back direction, wherein at least a portion of the first forced pushing surface 132b1 faces the front side of the process cartridge 100, and at least a portion of the second forced pushing surface 132b2 faces the rear side of the process cartridge 100.
  • at least a portion of the first forced pushing surface 132b1 faces the downstream side of the process cartridge 100 in the installation direction in which the process cartridge 100 is installed to the imaging device 1
  • the second forced pushing surface 132b2 faces the downstream side of the process cartridge 100 in the installation direction in which the process cartridge 100 is installed to the imaging device 1.
  • the first forced pushing surface 132b1 can contact and be pushed by the first force applying surface 11a of the separation control mechanism 11, thereby causing the force receiving member 132 to drive the separation holding member 131 to swing and reset to a position where it does not abut against the pressure receiving surface 121a of the drum frame 121 under the elastic force of the first elastic member 133, thereby achieving contact between the developing roller 112 and the photosensitive drum 122; when the developing unit 110 moves from the contact position
  • the second forced pushing surface 132b2 can contact with the second force applying surface 11b of the separation control mechanism 11 and be pushed thereby to cause the force receiving member 132 to swing forward, and the developing unit 110 is driven by the force receiving member 132 and moves together to the separation position where the developing roller 112 and the photosensitive drum 122 are separated.
  • the separation retaining member 131 which is not restricted by the loss of the force receiving member 132, will swing downward to a position abutting against the pressure surface 121a of the drum frame 121, thereby maintaining the separation state of the developing roller 112 and the photosensitive drum 122.
  • the force receiving member 132 is provided with a mounting portion 132c.
  • the mounting portion 132c is a strip groove formed on the force receiving member 132, that is, the mounting groove.
  • the strip groove also extends in the up and down direction.
  • on the drum frame The body 121 is provided with a protruding portion 121b.
  • the protruding portion 121b is preferably an elastic buckle.
  • the mounting portion 132c can be matched to the protruding portion 121b. On the one hand, it prevents the force receiving member 132 from easily detaching from the drum frame 121. On the other hand, it also prevents the force receiving member 132 from easily detaching from the drum frame 121.
  • a limiting portion 121c is also provided on the drum frame 121.
  • the limiting portion 121c It is an accommodating groove formed on the drum frame 121, and when projected in the left-right direction, the upper and lower parts of the accommodating groove have a larger projected area than the middle part.
  • the receiving groove is generally "hourglass" shaped, and the receiving groove is configured to receive at least a portion of the force receiving member 132, which on the one hand can urge the force receiving member 132 to move in the up and down direction along the path set by the receiving groove.
  • the force receiving member 132 can also receive force in the direction intersecting the left and right directions.
  • the swing space of the member 132 is limited to a certain range. Therefore, by adopting the above structure, the movement and swing stroke of the force receiving member 132 can be effectively limited; in general, the force receiving member 132 can move in the up and down direction, the front and rear direction, and the left and right direction. It has freedom of movement in all directions, and it can move in different directions after receiving force.
  • the contact or separation of the developing roller 112 and the photosensitive drum 122 can also be achieved.
  • the force receiving member 132 can be set on the developing unit 110
  • the separation and holding member 131 can be set on the drum unit 120
  • both can be set on the drum unit 120
  • the contact or separation of the developing roller 112 and the photosensitive drum 122 can be achieved. This is not a limitation.
  • the contact operation between the developing roller 112 and the photosensitive drum 122 through the separation contact mechanism 130 is described in detail; in the process cartridge 100 of this embodiment, when viewed from right to left, the developing unit 110 receives clockwise direction from the image forming apparatus 1 torque, and, as shown in FIG.
  • the developing unit 110 when the developing unit 110 is in the separated position and the separation holding member 131 is in the first position, the developing unit 110 receives a force through the spring 102 , which stabilizes the separation holding portion 131 b of the separation holding member 131 abutting on the pressure surface 121a of the drum frame 121, the posture of the developing unit 110 is maintained; in this way, when the process cartridge 100 is installed in the imaging apparatus 1, the first forced pushing surface 132b1 and the second forced pushing surface 132b1 are The urging surface 132b2 is located in the space 12 formed in the front-rear direction by the first force-applying surface 11a and the second force-applying surface 11b of the separation control member 11.
  • the separation control member 11 moves backward, and the first force-applying surface 11b of the separation control member 11 moves backward.
  • the force surface 11a contacts the first forced pushing surface 132b1 of the force receiving member 132 and pushes the first forced pushing surface 132b1, so that the force receiving member 132 swings backward, thereby forcing the separation holding member in contact with the force receiving member 132 131 is separated from the pressure-receiving surface 121a of the drum frame 121 and moves from the first position to the second position.
  • the second position of the separation holding member 131 is also called the separation permission position.
  • the developing unit 110 receives elastic force from the spring 102. The force swings in the V1 direction shown in FIG.
  • the separation holding portion 131b contacts and is blocked by the blocking portion 121d of the drum frame 121, so that The blocking separation holding member 131 moves from the second position to the first position even if the first elastic member 133 continues to pull the separation holding member 131 in the direction of arrow B2 and is maintained in the separation allowing position (ie, the second position) because it is blocked by the blocking portion 121d of the drum frame 121.
  • the separation control member 11 moves in the forward direction and returns. original position, and remain in a position that does not force the thrust receiving member 132.
  • the separation operation between the developing roller 112 and the photosensitive drum 122 through the separation contact mechanism 130 is described in detail; when the processing box 100 does not need to perform a printing task, the above-mentioned separation contact mechanism 130 can be operated to separate the developing roller 112 and the photosensitive drum 122.
  • the separation control member 11 will move forward, and the second force-applying surface 11b of the separation control member 11 will contact and force the second forced pushing surface 132b2 of the force receiving member 132, so that the force receiving member 132 The lower end of the member 132 swings forward, driving the developing unit 110 to swing along the V2 direction.
  • the separation and holding member 131 under the action of the elastic force of the first elastic member 133, again passes over the blocking portion 121d of the drum frame 121 and moves from the second position to the first position.
  • the separation and holding portion 131b of the separation and holding member 131 again abuts against the pressure surface 121a of the drum frame 121.
  • the posture of the separation and holding member 131 is maintained in the first position, and the developing roller 112 and the photosensitive drum 122 will remain stably separated.
  • Embodiment 2 of the present invention will be introduced.
  • Embodiment 2 shows a process box 1000.
  • the process box 1000 has the same parts as the process box in the above-mentioned Embodiment 1. , which will not be described in detail here.
  • the difference is that the structure of the separation contact mechanism of the process cartridge 1000 in this embodiment is different.
  • the separation contact mechanism includes a force receiving member 1032 that is detachably installed on the drum frame 1021.
  • the force receiving member 1032 passes through the protective cover 1023 of the drum frame 1021.
  • the elastic buckle 1021a structure is detachably installed on the drum frame 1021, the upper end of the force receiving member 1032 can receive an external force from top to bottom and move in the up and down direction relative to the drum frame 1021, and the force receiving member 1032 The lower end can receive the pushing force of the separation control mechanism 11 and move in the front and rear direction relative to the drum frame 1021.
  • the force receiving member 132 can push the forced pushing force of the developing unit 1010.
  • the protrusion 1010a allows the developing roller 1012 to move in response to the movement of the developing frame 1021 to separate from the photosensitive drum 1022.
  • other structures of the force receiving member 1032 since they have been introduced in detail in Embodiment 1, this article The embodiment will not be described again. To facilitate understanding, other structures of the separation contact mechanism and the contact and separation process between the developing roller 1012 and the photosensitive drum 1022 will be described in more detail.
  • the separation contact mechanism also includes a first elastic member 1033 connected between the force receiving member 1032 and the drum frame 1021.
  • the first elastic member 1033 is a tension spring.
  • the first elastic member 1033 is connected between the force receiving member 1032 and the drum frame 1021.
  • the elastic force generated by the first elastic member 1033 will push the force receiving member 1032 Maintained in the extended first position, when the force receiving member 1032 is pressed from top to bottom, the force receiving member 1032 can overcome the elastic force generated by the first elastic member 1033 and move from the first position to the second position, After the pressing force is removed, the force receiving member 1032 can be reset and moved from the second position to the first position under the action of the elastic force. That is to say, the first elastic member 1033 can be used to move the force receiving member 1032 when the force receiving member 1032 is not subjected to the pressing force. It remains in the first position and can return the force receiving member 1032 in the second position to the first position.
  • the separation contact mechanism of the process cartridge 1000 also includes a first restricting portion 1028 and a receiving groove 1023 provided at the lower end of the protective cover 1023 of the drum frame 1021.
  • the first restricting portion 1028 is configured as a groove formed on the protective cover 1023. or hole.
  • a first inclined surface 1023a is also provided between the first restricting portion 1028 and the receiving groove 1023.
  • the first inclined surface 1023a is inclined relative to the front-rear direction, so that the restricted portion 1040 can be positioned at the first inclination. Move from the second position to the first position under the guidance of surface 1023a.
  • At least one of the force receiving member 1032 and the restricted portion 1040 is provided with a second inclined surface.
  • the second inclined surface is configured to receive the pushing force of the force receiving member 1032 and push the second inclined surface with the force receiving member. The pushing direction of the surface crosses.
  • the separation contact mechanism of the process cartridge 1000 also includes a separation holding assembly that cooperates with the first restricting portion 1028, the accommodation groove 1023 and the inclined surface 1023a.
  • the separation holding assembly is provided on the developing unit 1010.
  • the separation holding assembly includes a The movable restricted portion 1040 of the developing frame 1011. Specifically, one end of the restricted portion 1040 is rotatably connected to the bearing of the developing frame 1011 through a connecting portion 1043 configured as a pin, and can cross the left and right directions.
  • the rotation axis extending in the direction rotates that is to say, the restricted part 1040 can rotate around the connecting part 1043 relative to the developing frame 1011; the restricted part 1040 has a first restricted part 1041, and the first restricted part 1041 can be inserted into the drum In the first restricting part 1028 of the frame 1021, the developing roller 1012 and the photosensitive drum 1022 are separated.
  • the first restricted part 1041 of the restricted part 1040 is accommodated in the accommodation groove 1023. , and are spaced apart from the drum frame 1021.
  • the specific contact and separation process will be introduced in detail below.
  • the separation contact mechanism of the process cartridge 1000 also includes a second elastic member 1044 provided between the restricted portion 1040 and the developing frame 1011.
  • the second elastic member 1044 is configured as a compression spring. The elasticity generated by the second elastic member 1044 The force can be applied to the restricted portion 1040 to maintain the restricted portion 1040 in the extended second position, and can be used to return the restricted portion 1040 in the first position to the second position, helping to make the first restricted portion
  • the restricting portion 1041 can be stably held in the first restricting portion 1028 of the drum frame 1021, thereby maintaining the separation state of the developing roller 1012 and the photosensitive drum 1022.
  • a separation contact mechanism is also provided at the left end of the process box 1000.
  • the separation contact mechanism at the left end of the process box 1000 also includes a force receiving member 1032 installed on the drum frame 1021, which is substantially the same as the force receiving mechanism 1032 at the right end. , the similarities will not be repeated here. The difference is that the force receiving member 1032 is provided with a second restricted portion 1032f configured as a protrusion, and the developing frame 1011 is provided with a second restricted portion 1032f.
  • the second restricting portion 1023f that matches and is configured as a protrusion is spaced apart from the second restricting portion 1023f when the developing roller 1012 is in contact with the photosensitive drum 1022, and when the developing roller 1012 is separated from the photosensitive drum 1022 , the second restricted portion 1032f contacts the second restricting portion 1023f and can be restricted by the second restricting portion 1023f from moving toward the photosensitive drum 1022, thereby maintaining a stable separation state between the developing roller 1012 and the photosensitive drum 1022.
  • the process cartridge 1000 also includes a spring 1050 similar to the spring in Embodiment 1.
  • the spring 1050 is preferably a tension spring, optionally, it can also be a compression spring; the spring 1050 is connected between the developing unit 1010 and the drum unit. 1020, and the elastic force generated therefrom can be applied to the developing unit 1010 to force the developing roller 1012 to maintain close contact with the photosensitive drum 1022.
  • the pressing member 9 of the imaging device 1 moves from top to bottom in response to the closing of the door cover 5.
  • the separation control mechanism 11 pushes the lower end of the force receiving member 1032 forward, and the force receiving member 1032 pushes the developing unit. 1010 is forced to push the protrusion 1010a, causing the developing unit 1010 to swing relative to the drum unit 1020.
  • the first restricted portion 1041 of the restricted portion 1040 connected to the developing unit 1010 passes through the inclined surface 1023a. is guided into the first restricting portion 1028, thereby moving from the second position to the first position. Under the elastic force of the second elastic member 1044, the first restricted portion 1041 is stably maintained in the extended position. At this time The restricted part 1040 is locked, This prevents the developing roller 1012 from moving to the contact position after the elastic force generated by the third elastic member 1050 is exerted on the developing unit 1010 .
  • the separation control mechanism 11 of the imaging device 1 can push the lower end of the force receiving member 1032 backward to force the force receiving member 1032 to move backward.
  • the lower end of the member 1032 swings in the direction closer to the photosensitive drum 1022 in the front-rear direction.
  • the force receiving member 1032 can push the restricted portion 1040 to unlock, and the first restricted portion of the restricted portion 1040 1041 rotates downward at a certain angle after overcoming the elastic force of the second elastic member 1044, thereby breaking away from the contact with the first restricting portion 1028.
  • the developing unit 1010 can move toward the third elastic member 1050 under the elastic force of the third elastic member 1050. Moving in a direction closer to the drum unit 1020, the developing roller 1012 moves from the separation position to the contact position. Finally, the developing roller 1012 remains in close contact with the photosensitive drum 1022. At this time, the first restricted portion 1041 is accommodated in the accommodation groove 1023 and is in contact with the drum.
  • the frames 1021 are spaced apart.
  • Embodiment 3 of the present invention will be introduced. As shown in Figures 29-31, Embodiment 3 shows a process cartridge, which has the same parts as the process cartridge in Embodiment 1-2. , which will not be described in detail here. The difference lies in the structure of the separation contact mechanism at the right end of the process box in this embodiment.
  • the separation contact mechanism at the right end of the process cartridge in this embodiment also includes a force receiving member 1132, which has substantially the same structure and function as the force receiving member in the above-mentioned Embodiment 10. The similarities between the two will not be repeated here.
  • the point is that the lower side of the force receiving member 1132 is provided with a restricted portion 1133 that can bend and elastically deform.
  • the restricted portion 1133 is configured to extend outward from the lower surface of the force receiving member 1132 and interact with the force.
  • the receiving member 1132 is formed in one piece to simplify its structure and reduce the number of molds required, thereby reducing production costs; a first restricted portion 1133a is provided at the extended end of the restricting member 1133, and the first restricted portion 1133a can also be inserted into the drum In the first restricting portion 1128 of the frame 1121, the developing roller and the photosensitive drum are stably maintained in a separated state.
  • the restricted part 1133 can be an elastic piece or a steel piece that can undergo elastic deformation, or a component that can elastically move, as long as the restricted part 1133 can move after receiving force and can be reset after the force is removed. Therefore, the structure of the restricted portion 1133 is not limited.
  • the separation contact mechanism at the left end of the process cartridge is substantially the same as the separation contact mechanism at the left end of the process cartridge in the above-mentioned Embodiment 2, and will not be repeated in this embodiment.
  • the pressing member 9 of the imaging device 1 moves from top to bottom in response to the closing of the door cover 5, and the pressing member 9 presses
  • the pressure receiving member 1132 moves downward from the first position to the second position.
  • the separation control mechanism 11 pushes the lower end of the force receiving member 1132 forward, and the force receiving member 1132 pushes the forced pushing protrusion of the developing unit, so that the developing unit faces the opposite direction.
  • the restricted portion 1133 connected to the force receiving member 1132 can elastically deform, so that the first restricted portion 1133a can enter the first restricting portion through the guidance of the inclined surface 1123a
  • the restricted portion 1133 is reset and stably held in the first restricting portion 1128.
  • the restricted portion 1133 is locked to prevent the elastic force generated by the third elastic member at the right end of the process cartridge from being exerted on the developing unit. Move the developer roller to the contact position.
  • the separation control mechanism 11 of the imaging device 1 can push the lower end of the force receiving member 1132 backward, forcing the force receiving member 1132 The lower end swings in the front-rear direction toward the photosensitive drum.
  • the restricted portion 1133 elastically deforms again and breaks away from the contact with the first restricting portion 1128.
  • the developing unit The developing roller moves from the separation position to the contact position under the elastic force of the third elastic member, and the developing roller is in close contact with the photosensitive drum.
  • the first restricted part 1133a is accommodated in the receiving groove 1123 and spaced apart from the drum frame 1121.
  • the process cartridge 300 has the same parts as the process cartridge in the above embodiment.
  • the separation contact mechanism 330 includes the same parts as in the above embodiment.
  • the function and structure of the force receiving member are substantially the same as the force receiving member 332, and the first elastic member 340 is disposed between the developing frame 311 and the force receiving member 332, which can be used when the force receiving member 332 is not subjected to external effects from the process cartridge 300.
  • the force receiving member 332 is maintained in the first position when the force is applied, and the process cartridge 300 is reset from the second position to the first position after the external force is removed; the process cartridge also includes a connection between the developing frame 311 and the drum frame.
  • the elastic force provided by the spring 333 between the body 321 can keep the developing roller 312 and the photosensitive drum 322 in close contact when the process cartridge 300 is not subjected to external force.
  • the other similarities of the process cartridges will not be described again here. , the difference lies in the separation contact mechanism 330 on the process cartridge 300.
  • the force receiving member 332 of this embodiment is movably arranged on the developing unit 310 relative to the developing frame 311.
  • the force receiving member 332 can still be arranged on the drum unit 320; not only that, the process cartridge 300 also includes A bearing cover 313 is provided at one end of the developing frame 311 in the length direction.
  • the bearing cover 313 is used to rotatably support the developing roller 312 and the coupling member.
  • the bearing cover 313 may exist as a part of the developing frame 311, that is,
  • the developing frame 311 includes a bearing cover 313; the process cartridge 300 further includes a restricted portion 314 disposed on the bearing cover 313 and protruding outward from an outer surface of the bearing cover 313.
  • the restricted portion 314 can respond to the movement of the force receiving member 332. With respect to the movement of the drum frame 321 between the first position and the second position, when the restricted portion 314 is in the first position, the developing roller 312 and the photosensitive drum 322 remain separated, and when the restricted portion 314 is in the second position, The developing roller maintains contact with the photosensitive drum 322.
  • the restricted portion 314 is configured as a pair of protrusions spaced apart and facing each other, that is, a first protrusion 314a and a second protrusion 314b. The first protrusion 314a and the second protrusion 314b are stressed. Afterwards, elastic deformation and movement can occur, and they can move closer or farther away from each other.
  • the restricted portion 314 is an elastic protrusion.
  • the first protrusion 314a and the second protrusion 314b move away from each other.
  • the first protrusion 314a and the second protrusion 314b can be close to each other; correspondingly, one end of the process box 300 is also provided with a protective cover 323, and the protective cover 323 covers at least a part of the bearing cover 313.
  • the protective cover 323 is The cover 323 can exist as a part of the drum frame 321, that is, the drum frame 321 includes a protective cover 323, and a limiting portion 324 configured as a groove is provided on the protective cover 323.
  • the limiting portion 324 includes a third adjacently arranged and connected A restricting part 324a and a second restricting part 324b.
  • the first restricting part 324a is closer to the front end of the process cartridge 300 in the front-rear direction than the second restricting part 324b.
  • the first restricting part 324a is also called
  • the first groove 324a and the second restricting portion 324b are also called the second groove 324b, wherein the second groove 324b includes a notch connected to the first groove 324a.
  • the maximum width of the first groove 324a is greater than the width of the notch, so as to facilitate The restricted portion 314 can be blocked by the notch and maintained in the first position when no external force is applied.
  • the restricting portion 324 when viewed along the left-right direction, is in the shape of a "gourd", that is, along the first
  • the restricting part 324a faces the direction of the second restricting part 324b.
  • the width of the first restricting part 324a is wider, narrows when passing through the slot, and then widens again when passing through the second restricting part 324b; when the restricted part 314 is in the first position
  • the restricted part 314 is inserted into the first restricting part 324a, the first protrusion 314a and the second protrusion 314b of the restricted part 314 are far away from each other and present an open state. Even at this time, the development is caused by the elastic force of the spring 333.
  • the unit 310 has a movement tendency to move from the separation position toward the contact position, but since the first protrusion 314a and the second protrusion 314b of the restricted portion 314 are opened, and the first restricting portion 324a and the second The width of the notch between the two restricting parts 324b is small, and the restricted part 314 is blocked by the notch so that it cannot cross the notch. Therefore, the developing unit 310 can be stably maintained when the process cartridge 300 is not subjected to external force.
  • the notch described above can also be understood as being formed by a pair of spaced-apart blocking protrusions 324g, that is, the notch is configured as a channel between a pair of blocking protrusions 324g.
  • the blocking protrusions 324g can be in the first position on the restricted portion 314 and After the external force exerted on the forced pushing surface of the force receiving member 332 is removed, the restricted portion 314 is blocked from moving from the first position to the second position, so as to maintain the separation state of the developing roller 312 and the photosensitive drum 322; further, the restricting portion 324 An inclined surface 324f is provided on at least one of the blocking protrusion 324g and the restricted portion 314.
  • the inclined surface 324f can be used to guide and move the restricted portion 314 from the first position to the second position, or to move the restricted portion 314 from the first position to the second position.
  • the second position is guided to move to the first position.
  • the restricting portion 324 and the restricted portion 314 are both provided with inclined surfaces 324f to facilitate smoother guidance of the restricted portion 314 and avoid problems such as jamming.
  • the force receiving member 322 drives the developing unit 310 Swing in the V1 direction of FIG. 35.
  • the engagement state of the restricted portion 314 with the first restricting portion 324a of the restricting portion 324 is broken, and the restricted portion 314 located in the first position on the developing unit 310 will be disengaged.
  • the first restricting portion 324a of the restricting portion 324 on the drum frame 321 can gradually cross the notch between the first restricting portion 324a and the second restricting portion 324b.
  • the first protrusion 314a and the second protrusion 314b of the restricted part 314 are squeezed by the inner wall of the notch of the restricting part 324, which occurs. deform and approach each other to allow the restricted portion 314 to pass. Finally, the first protrusion 314a and the second protrusion 314b that are close to each other move across the notch to the second restricting portion 324b. At this time, the restricted portion 314 is no longer squeezed.
  • the first protrusion 314a and the second protrusion 314b of the restricting part 314 move away from each other and assume an open state under the reset of their own elastic force.
  • the restricted part 314 moves to the second position and is in the second restricting part 324b of the restricting part 324.
  • the developing unit 310 is in the contact position.
  • the separation control member 11 moves forward without pushing the force receiving member 332.
  • the developing roller 312 and the photosensitive drum 322 remain stable. state of close contact.
  • the action process of the process cartridge 300 when the developing unit 310 moves from the contact position to the separated position is the same as the above-mentioned developing unit 310.
  • the action process of moving from the separation position to the contact position is roughly the opposite, and will not be described again here.
  • the separation contact mechanism 330 of the process cartridge 300 is provided with a restricted portion 314 and a restriction portion 324.
  • the restricted portion 314 can also be joined to the restricting portion 324 to stably maintain the contact or separation state of the developing roller 312 and the photosensitive drum 322.
  • the structure of the separation contact mechanism 330 of the process cartridge 300 is greatly simplified, thereby reducing the production cost of the process cartridge 300 .
  • the separation contact mechanism 430 includes a force receiving member 432 that is substantially the same as the force receiving member structure in the above-mentioned Embodiment 4.
  • the force receiving member 432 can be movably arranged in the developing unit relative to the developing frame 411. 410, optionally, the force receiving member 432 may also be disposed on the drum unit 420; the separation contact mechanism 430 further includes a first elastic member (not shown) disposed between the developing frame 411 and the force receiving member 432.
  • Embodiment 4 can be used to maintain the force receiving member 432 in the first position when the force receiving member 432 is not subjected to external force from the process cartridge 400, and to retain the force receiving member 432 after the external force from the process cartridge 400 is removed.
  • the spring (not shown, please refer to Embodiment 4 for details) of the separation contact mechanism 430 described in the above embodiment is connected between the developing frame 411 and the drum frame 421.
  • the elastic force provided can keep the developing roller 412 and the photosensitive drum 422 in close contact when the process cartridge 400 is not subjected to external force.
  • the difference lies in the structure of the separation contact mechanism 430 of the process cartridge 400 .
  • the lower end of the drum frame 421 of the process cartridge 400 is also provided with a limiting portion 424.
  • the limiting portion 424 is provided at the lower end of the protective cover 423.
  • the limiting portion 424 is a groove formed on the protective cover 423.
  • the limiting portion 424 includes a corresponding The first restricting part 424a and the second restricting part 424b are arranged adjacent to each other.
  • the first restricting part 424a is closer to the front end of the process cartridge 400 than the second restricting part 424b.
  • a groove is passed between the first restricting part 424a and the second restricting part 424b.
  • the slots are connected to each other and are provided with blocking protrusions for blocking the restricted portion 432d.
  • the width of the notch is smaller than the width of the first restricting portion 424a and the second restricting portion 424b.
  • the opening size of the first restricting portion 424a gradually becomes smaller on the path leading to the second restricting portion 324b, and then becomes larger again when reaching the second restricting portion 324b, which is different from the restricting portion in Embodiment 4.
  • the structure is generally the same, and will not be repeated here; the lower side of the force receiving member 432 is provided with a restricted portion 432d.
  • the restricted portion 432d is a protruding rib formed on the force receiving member 432 and extending in the up and down direction.
  • the restricted portion 432d configured as a protruding rib may be engaged in the first restricting portion 424a of the restricting portion 424, which causes the force receiving member 432 to be restricted by the first restricting portion 424a. 424a restricts movement. Even if the developing unit 410 has a tendency to move from the separation position toward the contact position under the elastic force of the first elastic member, the force generated is not enough to cause the force receiving member 432 to disengage from the first limiting portion.
  • the force receiving member 432 can stably maintain the developing unit 410 in the separated position; when the process cartridge 400 is installed in the image forming apparatus 1 and the force receiving member 432 When pushed backward by the separation control member 11, the force receiving member 422 drives the developing unit 410 to swing. At this time, the engagement state of the restricted portion 432d with the first restricting portion 424a of the restricting portion 424 is broken, and the force receiving member 422 is located in the developing unit.
  • the restricted portion 432d on the drum frame 410 will be separated from the first restricting portion 424a of the restricting portion 424 on the drum frame 421, and can gradually cross the notch between the first restricting portion 424a and the second restricting portion 424b.
  • the restricted part 432d configured as a protruding rib presses the inner wall of the protective cover 423 to cause it to undergo a certain elastic deformation to allow the protected part 423 to undergo certain elastic deformation.
  • the restricting part 432d passes, and finally, the restricted part 432d crosses the notch and moves to the second restricting part 324b.
  • the inner wall of the protective cover 432 which is no longer squeezed, returns to the normal state under the reset of its own elastic force.
  • the restricted portion 432d moves in the second restricting portion 424b of the restricting portion 424 so that the force receiving member 432 is restricted from moving.
  • the developing unit 410 is restricted from moving by the force receiving member 432 and remains in the contact position.
  • the control member is separated 11 moves forward without pushing the force receiving member 432, and under the elastic force of the spring of the process cartridge 400, the developing roller 412 and the photosensitive drum 422 maintain a stable close contact state.
  • the action process of the process cartridge 400 when the developing unit 410 moves from the contact position to the separated position is substantially opposite to the above-mentioned action process of the developing unit 410 moving from the separated position to the contact position, and will not be described again here.
  • the separation contact mechanism 430 in this embodiment has the restricted portion 432d disposed on the force receiving member 432, and the structure is simpler, which enhances the structural stability of the restricted portion 432d, thereby improving the stability of the developing roller 412 and the force receiving member 432. Separation and contact stability of the photosensitive drum 422.
  • Embodiment 6 is a modified embodiment of Embodiment 4 or 5.
  • the process box 500 is the same as the above-mentioned Embodiment 4-5. 6 in
  • the structure of the process cartridge is substantially the same.
  • the separation contact mechanism 530 includes a force receiving member 532 that is substantially the same as the force receiving member in the above-described embodiments 4-6.
  • the force receiving member 532 is configured to receive an external force and move relative to the protective cover.
  • the separation contact mechanism 530 of the process box 500 also includes the spring described in the previous embodiment (not shown, please refer to Embodiment 4 for details) , which is connected between the developing frame 511 and the drum frame 521, and the elastic force generated by it has the tendency to force the developing unit 510 to remain in the contact position.
  • the separation contact mechanism 530 of the process cartridge 500 is different.
  • a limiting portion 524 is also provided at the lower end of the drum frame 521 of the process cartridge 500.
  • the limiting portion 524 is provided at the lower end of the protective cover 523.
  • the limiting portion 524 is configured as a groove formed on the inner surface of the protective cover 523.
  • the restricting part 524 includes a first restricting part 524a and a second restricting part 524b arranged adjacently, that is, a first groove 524a and a second groove 524b.
  • the first restricting part 524a is arranged closer to the process cartridge than the second restricting part 524b.
  • the limiting portion 524 in this embodiment also includes a blocking protrusion 525 disposed between the first limiting portion 524a and the second limiting portion 524b, and the blocking protrusion 525 is configured to extend from the bottom of the limiting portion 524 Formed by protruding outward; further, the blocking protrusion 525 is provided with a first inclined surface 524a1 and a second inclined surface 524b1. The plane where the first inclined surface 524a1 is located intersects the plane where the second inclined surface 524b1 is located.
  • a restricted portion 514 is provided at the lower end of the bearing cover 513.
  • the restricted portion 514 is a protrusion provided on the bearing cover 513 that can move elastically after receiving force.
  • the elastic member is on the left and right relative to the protective cover 523. There is a certain amount of movement in the direction.
  • the protrusion is an elastic buckle; optionally, the restricted part 514 can also be provided on the drum frame 521 or other components different from the bearing cover 513 or the drum frame 521. This is not limiting.
  • the restricted portion 514 configured as an elastic buckle is in the first position, and can be engaged with the third portion of the restricting portion 524 . on a restricting portion 524a, so that the developing unit 510 is restricted from moving by the first restricting portion 524a and remains in the separated position, even if the developing unit 510 moves from the separated position toward the contact position under the elastic force generated by the spring. trend, but the elastic force generated by it is not enough to make the first restricted portion 514 break away from the contact with the first restricting portion 524a.
  • the first restricted portion 514 can stably maintain the developing unit 510 in the separated position; when the process cartridge 500 is installed in the image forming apparatus 1 and the force receiving member 532 is forced backward by the separation control member 11 At this time, the force receiving member 522 drives the developing unit 510 to swing relative to the protective cover 523.
  • the engagement state of the restricted portion 514 with the first restricting portion 524a of the restricting portion 524 is broken, and the bearing cap located on the developing unit 510
  • the restricted portion 514 on the protective cover 523 will be separated from the first restricting portion 524a of the restricting portion 524 on the protective cover 523, and can move backward under the guidance of the first inclined surface 524a1.
  • the restricted portion 514 is subject to the first inclination.
  • the reaction force of the surface 524a1 deforms in the left and right direction to allow the restricted portion 514 to gradually cross the blocking protrusion 525.
  • the restricted portion 514 is guided to the second restricting portion 524b under the guidance of the second inclined surface 524b1.
  • the deformation amount of the restricted portion 514 in the left-right direction is reduced and returns to the normal state.
  • the restricted portion 514 can be stably engaged with the second restricting portion 524b. Therefore, the movement of the developing unit 510 is restricted and stable. is maintained in the contact position, and then the separation control member 11 moves forward without pushing the force receiving member 532. Under the elastic force of the spring of the process cartridge 500, the developing roller and the photosensitive drum maintain a stable close contact state.
  • the operation process of the process cartridge 500 when the developing unit 510 moves from the contact position to the separation position is substantially opposite to the above-mentioned operation process of the development unit 510 moving from the separation position to the contact position, and will not be described again here.
  • This embodiment provides a structure different from the separation contact mechanism 530 of Embodiment 4-6, but it can also achieve the technical effect of controlling the movement of the developing unit 510 between the contact position and the separation position.
  • a process cartridge 600 in Embodiment 7 of the present invention is shown.
  • the process cartridge 600 has the same parts as those in the above-mentioned embodiment, which will not be described again here.
  • the difference lies in that the developing roller is forced to The structure of contact and separation from the photosensitive drum is different.
  • the separation contact mechanism 630 includes a force receiving member 632, a rod 643 and a limiting member 645.
  • the force receiving member 632 has substantially the same structure and function as the force receiving member in the previous embodiment, and will not be described in detail here.
  • the rod 643 is movable. It is connected between the force receiving member 632 and the limiting member 645. Specifically, one end of the length direction of the rod 643 is connected to the lower end of the force receiving member 632 through a clearance fit of the hole shaft, and the restricted part of the other end of the rod 643 643a (substantially the same as the restricted portion in Embodiment 4) is connected to the restricting member 645.
  • the rod 643 When the force receiving member 632 is pressed by the imaging device 1 and moves from top to bottom, the rod 643 is connected to one end of the force receiving member 632. It can rotate relative to the force receiving member 632 and move from top to bottom along with the force receiving member 632; the restricting member 645 is configured as an annular member, which covers Located at the right end of the photosensitive drum, the lower end of the restricting member 645 is provided with a restricting portion 644 that is substantially the same as that in Embodiment 4 and Embodiment 5. Therefore, the specific structure of the restricting portion 644 in this embodiment will not be described in detail. Description, the working process of the separation contact mechanism 630 forcing the developing roller and the photosensitive drum to contact and separate will be described in detail next.
  • the restricted portion 643a of the rod 643 is engaged in the groove between the second restricting portion 644a and the first restricting portion 644b.
  • the restricted portion The first protrusion 643a1 and the second protrusion 643a2 of 643 are deformed to be in a closed state close to each other, and the state in which the developing roller and the photosensitive drum are kept separated is maintained; when the force receiving member 632 overcomes the first elastic member 633 from the first position
  • the lever 643 can be pushed by the force receiving member 632 when the forced pushing surface 632b of the force receiving member 632 in the second position is pushed backward by the imaging device 1 to move to the second position due to the elastic force.
  • the restricted portion 643a of the rod 643 can slide in the restricting portion 644 until the restricted portion 643a is engaged in the second restricting portion 644a and the restricted portion 643a is no longer deformed. At this time, the urging force exerted on the force receiving member 632 is removed, and the restricted portion 643a in the expanded state is located adjacent to the second restricting portion 644a and the second restricting portion 644a.
  • the groove between the first restricting portion 644b blocks, so that the position of the restricted portion 643a joined to the second restricting portion 644a is maintained.
  • the forced pushing surface 632b of the force receiving member 632 can be forced forward by the imaging device 1.
  • the force receiving member 632 drives the rod 643 to move forward together.
  • the restricted portion 643a of the rod 643 can slide in the groove between the second limiting portion 644a and the first limiting portion 644b, and the second limiting portion 644a and the first limiting portion 644b are squeezed by the inner wall of the groove.
  • Embodiment 8 of the present invention will be introduced.
  • Embodiment 8 shows a process cartridge, which has the same parts as the process cartridge in the above-mentioned Embodiments 1-7. , no more here To reiterate, the difference is that the structure of the separation contact mechanism of the process cartridge in this embodiment is different.
  • the separation contact mechanism in this embodiment includes a force receiving member 832 that can receive the pressing force of the imaging device 1 and move in the up and down direction.
  • the separation contact mechanism also includes a force receiving member 832 connected to the lower end of the force receiving member 832 and capable of responding to the force.
  • the separation retaining member 846 moves to receive the movement of the member 832.
  • the separation retaining member 846 is rotatably sleeved on the coupling member.
  • the separation retaining member 846 includes a body portion 846a configured as an annular shape, and radially outward from the body portion 846a.
  • the protruding force-bearing arm 846b and the separated holding portion 846d are configured as protrusions and are spaced apart in the circumferential direction of the main body portion 846a.
  • the separation holding portion 846d (restricted portion) is provided on the separation holding member 846 and is configured as a cam, wherein a groove 846c is formed on the force receiving arm 846b, and a connecting protrusion 832f provided on the lower end of the force receiving member 832 can be inserted into the groove 846c.
  • the separation holding member 846 When the force receiving member 832 is in the first position, the separation holding member 846 is in the second position, which stably abuts the pressure surface of the developing unit, so that the developing roller 812 and the photosensitive drum 822 remain separated; when the force During the movement of the receiving member 832 from the first position to the second position, the force receiving member 832 can push the force-bearing arm 846b of the separation and retention member 846, forcing the separation and retention member 846 to rotate at a certain angle. At this time, the separation and retention member 846 is separated.
  • the holding portion 846d is still stably in contact with the pressure surface of the developing unit, and the developing roller 812 and the photosensitive drum 822 are still kept separated; when the forced pushing surface 832b of the force receiving member 832 is forced to push backward, the force receiving member 832 can push the force arm 846b, forcing the separation and holding member 846 to rotate a certain angle from the second position to the first position.
  • the separation and holding portion 846d is out of contact with the pressure surface of the developing unit, and the first elastic member 833 is Under the action of elastic force, the developing roller 812 moves from the separation position separated from the photosensitive drum 822 to the contact position; when the developing roller 812 and the photosensitive drum 822 need to be separated, the forced pushing surface 832b of the force receiving member 832 is imaged. Due to the forward urging force of the device, the separation holding member 846 is pushed by the force receiving member 832 to rotate from the first position to the second position. At this time, the separation holding portion 846d abuts against the pressure surface of the developing unit, and the developing roller 812 and The photosensitive drum 822 remains separated.
  • Embodiment 9 of the present invention will be described in detail with reference to Figures 63-64.
  • This Embodiment 9 shows a process box 200, which is similar to the process box in Embodiments 1-8, and will not be discussed here. Again, the difference is that the structure of the separation contact mechanism 230 of the process cartridge 200 is different.
  • the process cartridge 200 includes a separation holding member 231 and a first elastic member 233 that are swingably provided on the developing unit 210 and a positioning member 234 for positioning the separation holding member 231 and the first elastic member 233 on the developing frame 211.
  • the positioning member is preferably a screw. Alternatively, it can also be an elastic buckle structure. This is not limited.
  • the separation holding member 231 also has a drum frame 221 that can be connected with the drum unit 220.
  • the structure and function of the contacting separation holding part 231b are substantially the same as those of the separation holding part in Embodiment 1, and will not be described again here; one end of the first elastic member 233 is in contact with the developing frame 211, and the other end is in contact with the development frame 211.
  • the first elastic member 233 is configured such that the elastic force generated by it when the process cartridge 200 is not subjected to external force can force the separation holding member 231 to remain in the first position, that is, the developing unit 210 is between the developing roller and the photosensitive drum. 222 are separated from each other, that is to say, the elastic force generated by the first elastic member 233 is enough to overcome the elastic force of, for example, a spring (not shown in this embodiment) to cause the developing roller and the photosensitive drum 222 to separate from each other; preferably , the first elastic member 233 is a torsion spring, which has a simple structure and low cost of use;
  • the coupling member 208 of the developing unit 210 receives the rotational driving force of the imaging device 1, so that the developing unit 210 receives a rotational torque,
  • the direction of the rotational torque is clockwise (i.e., the K direction in the figure), and the rotational torque acts on the developing unit 210 , which causes the developing roller of the developing unit 210 to have a photosensitive direction close to the drum unit 220 The tendency of the drum 222 to move.
  • the first elastic member 233 is configured to generate The elastic force is less than the sum of the elastic force of the spring and the force of the rotational torque. That is to say, when the process cartridge 200 performs a printing task, the elastic force generated by the first elastic member 233 is not enough to resist the elastic force of the spring and the rotational torque. The sum of the forces will cause the separation holding member 231 to break away from the contact with the drum frame 221 and swing from the first position to the second position.
  • the separation holding member 231 is stably maintained at the second position, the developing roller and the photosensitive drum 222 will contact each other again, and the attitude of the developing unit 210 is maintained at the contact position.
  • the separation holding member 231 is still provided with a restraining portion 231d.
  • the restraining portion 231d can abut with the developing frame 211 or the drum frame 221 or other components that are different from the separation holding member 231, which makes the separation holding member 231 It is blocked during the swing process to limit the separation holding member 231 within its allowed swing range and prevent the separation holding member 231 from deviating from the correct swing position.
  • the separation contact mechanism 230 of the process cartridge 200 in this embodiment is further simplified in structure. It can realize the contact or separation of the developing roller and the photosensitive drum 222 without resorting to force other than the process cartridge 200, which simplifies the processing. While reducing the box structure, the structure of the imaging device is also simplified accordingly.
  • the process box 1200 in Embodiment 10 of the present invention will be introduced in detail with reference to Figures 65-68.
  • the process box 1200 has the same parts as the process box in Embodiment 9 and will not be described again here. The difference is that The separation contact mechanism on the box 1200 is different.
  • the separation contact mechanism of the process cartridge 1200 includes a first elastic member 1233 and a separation holding member 1255.
  • the first elastic member 1233 is installed on the mounting post 1233 at one end of the drum frame 1221 in the left and right direction.
  • the separation holding member 1255 is rotatably installed on the drum frame 1221.
  • one end of the first elastic member 1233 is in contact with the drum frame 1221, and the other end is in contact with the separation holding member 1255 and can exert elastic pushing force to the separation holding member 1255.
  • the first elastic member 1233 is a torsion spring and is configured to push the separation holding member 1255 to hold it in the first position when the process cartridge 1200 does not receive external force.
  • the developing roller is separated from the photosensitive drum 1222, that is, The coupling member 1208 generates that at this time, the pushing force exerted by the first elastic member 1233 on the separation holding member 1255 (that is, the pushing force exerted on the developing unit) is greater than the force exerted on the developing unit by the spring to force the developing unit to remain in the developing unit.
  • the separation holding member 1255 is configured as a gear and is arranged to remain in mesh with a gear portion (not shown) of the coupling member 1208 when the coupling member 1208 receives a driving force from the imaging apparatus 1
  • the rotation torque generated by the coupling member 1208 can overcome the elastic pushing force of the first elastic member 1233 and drive the developing unit to rotate, forcing the developing roller to move from a separation position separated from the photosensitive drum 1222 to a contact position in contact with the photosensitive drum 1222
  • the coupling member 1208 can drive the separation holding member 1255 to rotate, and the separation holding member 1255 can follow the developing unit to rotate along the escape groove 1256 formed on the driving side cover, and finally remain in the second position
  • the relief groove 1256 is an arc-shaped groove.
  • the process cartridge 1200 in this embodiment is provided with the first elastic member 1233 and the separation holding member 1255.
  • the coupling member 1208 does not receive an external force, the elastic force generated by the first elastic member 1233 can be applied to the separation holding member 1255.
  • the separation and holding member 1255 can be pushed to hold the developing unit in the first position, and the developing roller and the photosensitive drum 1222 are separated; when the coupling member 1208 is driven to rotate, the coupling member 1208 engages with the separation and holding member 1255 and generates The rotational torque forces the developing unit The rotation causes the separation holding member 1255 to move from the first position to the second position, and the developing roller comes into contact with the photosensitive drum 1222 .
  • a process box 700 in Embodiment 11 of the present invention is shown.
  • the process box 700 has the same parts as those in the above embodiment and will not be described again here.
  • the difference lies in the force receiving member.
  • 732 is movably installed on the bearing cover 713 through the buckling of the elastic buckle 713a provided on the bearing cover 713.
  • the force receiving member 732 includes a first part 741 and a second part 742 that are separately arranged and connected to each other.
  • the first part 741 The second part 742 can be moved relative to the developing frame 711 in response to being pressed by the imaging device 1 .
  • the second part 742 can be pushed by the first part 741 to move relative to the developing frame 711 .
  • the first part 741 includes an upper end thereof that can be pressed by the imaging device 1 .
  • the pressed surface 732a, the second part 742 includes a forced pushing surface 732b at its lower end that can be pushed by the imaging device 1; for the first part 741 and the second part 742, the connection structures of the two are diverse, as this article
  • the first part 741 is provided with a mounting hole (not shown), and the second part 742 is provided with a mounting protrusion 742a that matches the mounting hole.
  • the mounting protrusion 742a can be Elastic deformation occurs and has an open state and a closed state. When the mounting protrusion 742a is not subjected to external force, the mounting protrusion 742a is in an open state.
  • the installation protrusion 742a After the mounting protrusion 742a is inserted into the mounting hole and is squeezed by the inner wall of the mounting hole and deformed, , the installation protrusion 742a can be deformed from the open state to the closed state, thereby avoiding interference with the installation hole, so that the installation protrusion 742a can be smoothly installed into the installation hole. After the installation is completed, the installation protrusion 742a can be deformed from the closed state to the open state again. state, the mounting protrusion 742a will be stably engaged in the mounting hole.
  • the first part 741 may also be provided with a mounting protrusion
  • the second part 742 may be provided with a mounting hole
  • the first part 741 and the second part 742 can also be installed with an interference fit between the mounting protrusions and the mounting holes, but this is not a limitation.
  • the force receiving member 732 is not limited to the first part 741 and the second part 742 described above, and may also have two or more parts that are separately provided.
  • the force receiving member 732 is divided into a plurality of separately arranged and interconnected parts. Compared with the integrally formed force receiving member in the prior art, this can reduce the problem of the force receiving member being too long.
  • the amount of bending deformation caused by the bending deformation caused by the force-receiving member improves the stability of contact and separation between the developing roller and the photosensitive drum of the process cartridge 700 .
  • Embodiment 12 of the present invention shows a process cartridge for The same parts of the process box as those in the above-mentioned Embodiments 1-11 will not be described in detail here.
  • the difference lies in that the separation contact mechanism of the process box in this embodiment is only provided on any one of the left and right sides of the process box. side to avoid the problem that the left and right sides of the process box are out of sync when the separation contact mechanism receives the separation force that moves the developing roller and the photosensitive drum from the contact position to the separation position. Once the separation on both sides is out of sync, problem, then the process box is prone to print quality problems when performing printing tasks.
  • the separation contact mechanism of the process box in this embodiment is only arranged on either side of the left and right sides of the process box, that is, only on one side.
  • a restricted portion is provided; further, since the storage unit frame on the left side of the process box can be pressed by the pressing member, the left side of the process box can be stably positioned when the separation contact mechanism is still provided on the left and right sides of the process box. If not set, the right side of the process box will lose the pressing force, resulting in unbalanced forces on the left and right sides of the process box. At this time, the positioning of the right side of the process box will become unstable. During the operation of the process box, coupling components, etc.
  • the separation contact mechanism is arranged on the right side of the process box, that is, the restricted part is arranged on the right side of the process box.
  • the right side of the box is so that the pressing member in the imaging device can press the right side of the process box, so that both the left and right sides of the process box can receive pressing force, which improves the positioning stability of the left and right sides of the process box; it is worth mentioning
  • the separation contact mechanism is provided only on one side of the process cartridge in this embodiment and is applicable to any of the process cartridges in the above-mentioned Embodiments 1-11.

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Abstract

本发明公开了一种处理盒，包括；感光鼓；鼓单元；显影辊；显影单元；力接收构件，包括被迫推表面；被限制部，配置成可限制所述显影单元和所述鼓单元之间的相对位置，当所述显影单元位于所述分离位置时，所述被限制部位于第一位置，当所述显影单元位于所述接触位置时，所述被限制部位于第二位置；弹性构件，使得所述显影单元具有从所述分离位置朝向所述接触位置移动的趋势；所述处理盒还包括限制部，当所述被限制部位于所述第一位置并且施加在所述被迫推表面上的外力撤去后，在所述弹性构件向所述显影单元施加从所述分离位置朝向所述接触位置移动的力时，所述限制部可抑制所述被限制部的移动以保持所述显影单元在所述分离位置。

Description

一种处理盒 技术领域
本发明涉及电子照相成像技术领域，尤其涉及一种处理盒。
背景技术
常规上，在使用电子照相形成工艺的成像设备的领域中，已知电子照相感光构件(以下称为感光鼓)和作用在感光鼓上的处理装置一体地形成为盒，这种盒可从成像设备的主组件上拆卸，根据该盒的使用方法，可以由用户自己执行成像设备的维护而无需依赖服务人员，使得可以显著地提高可维护性，因此，这种盒类型广泛用于成像设备中。
在现有技术中，处理盒通常包括有显影单元和鼓单元，显影单元包括显影辊以及可接收外力驱动显影辊旋转的齿轮系，鼓单元包括感光鼓，在处理盒安装在成像设备中并进行成像时，显影辊与感光鼓保持接触以允许显影辊上的显影剂可转运到感光鼓上，但是在处理盒安装在成像设备中并不需要进行成像时，显影辊与感光鼓需尽可能的保持分离，以避免柔软的显影辊的外表面因长时间与感光鼓接触而发生变形，进而影响处理盒的成像效果，因此，显影辊与感光鼓的接触或分离的状态切换则需要依靠成像设备或处理盒上设置的分离接触机构来实现。
发明内容
为解决现有技术中存在的问题，提供了一种新的处理盒，主要是通过以下技术方案来实现的：
一种处理盒，包括；
感光鼓，可绕沿第一方向延伸的感光鼓旋转轴线旋转；
鼓单元，包括所述感光鼓；
显影辊，配置为将显影剂沉积到所述感光鼓上；
显影单元，包括所述显影辊，并且能够在接触位置和分离位置之间移动，在所述接触位置，所述显影辊和所述感光鼓接触，在所述分离位置，所述显影辊的至少一部分和所述感光鼓分离；
力接收构件，包括被迫推表面，所述被迫推表面配置成可接收外力而能迫使所述显影单元从所述接触位置移动至所述分离位置；
被限制部，配置成可限制所述显影单元和所述鼓单元之间的相对位置，当所述显 影单元位于所述分离位置时，所述被限制部位于第一位置，当所述显影单元位于所述接触位置时，所述被限制部位于第二位置；
弹性构件，可向所述显影单元施加弹性力，使得所述显影单元具有从所述分离位置朝向所述接触位置移动的趋势；
所述处理盒还包括用于限制所述被限制部的限制部，当所述被限制部位于所述第一位置并且施加在所述被迫推表面上的外力撤去后，在所述弹性构件向所述显影单元施加从所述分离位置朝向所述接触位置移动的力时，所述限制部可抑制所述被限制部的移动以保持所述显影单元在所述分离位置。
优选的，所述处理盒还包括可接收外力并能驱动所述显影辊旋转的耦合构件，以及可旋转的支撑并覆盖所述耦合构件至少一部分的轴承盖，所述被限制部设置在所述轴承盖上。
优选的，所述限制部和所述被限制部的至少其中之一受力后可弹性移动。
优选的，所述被限制部构造为可弹性移动的突起。
优选的，所述限制部构造为与所述突起配合以抑制所述显影单元从所述分离位置朝向所述接触位置移动的阻挡突起。
优选的，所述鼓单元包括在第一方向上设置在所述鼓单元一末端的护盖，所述限制部设置在所述护盖上。
优选的，所述力接收构件安装在所述鼓单元上并且所述力接收构件可相对于所述感光鼓在与所述感光鼓的旋转轴线交叉的方向上移动。
优选的，所述处理盒还包括连接部，所述被限制部通过所述连接部连接在所述显影单元上，并可绕与第一方向交叉的方向延伸的旋转轴线转动。
优选的，所述处理盒还包括可操作的连接至所述被限制部的第一弹性构件，在所述显影单元位于所述分离位置时，所述第一弹性构件可施加弹性力至所述被限制部而能将所述被限制部稳定的保持在所述第一位置。
优选的，所述被限制部设置在所述力接收构件上，并可跟随所述力接收构件一起移动。
本发明提供了一种处理盒，处理盒包括分离接触机构，所述分离接触机构接收外力后可迫使显影辊和感光鼓接触和分离，并且在外力撤去后，也可保持显影辊和感光鼓的分离状态，其响应速度快，工作状态稳定。
附图说明
图1是本发明实施例1中处理盒安装在托盘上前成像设备示意图；
图2是本发明实施例1中处理盒安装在托盘上时成像设备示意图；
图3是本发明实施例1中处理盒和托盘位于成像设备中时示意图；
图4是本发明实施例1中按压构件按压处理盒前成像设备示意图；
图5是本发明实施例1中按压构件按压处理盒时成像设备示意图；
图6是本发明实施例1中成像设备的分离控制单元示意图；
图7是本发明实施例1中处理盒某一角度示意图；
图8是本发明实施例1中处理盒另一角度示意图；
图9是本发明实施例1中处理盒的驱动端示意图；
图10是本发明实施例1中处理盒的分离接触机构分解示意图；
图11是本发明实施例1中鼓框体示意图；
图12是本发明实施例1中力接收构件安装在鼓框体上时示意图；
图13是本发明实施例1中处理盒的力接收构件被按压构件按压前示意图；
图14是本发明实施例1中处理盒的力接收构件被按压构件按压后示意图；
图15是本发明实施例1中分离控制构件的第一施力表面迫推力接收构件的第一被迫推表面而使显影辊和感光鼓接触时示意图；
图16是本发明实施例1中分离控制构件位于第一被迫推表面和第二被迫推表面之间的空间中的示意图；
图17是本发明实施例1中分离控制构件的第二施力表面迫推力接收构件的第二被迫推表面而使显影辊和感光鼓分离时示意图；
图18是本发明实施例2中处理盒某一角度示意图；
图19是本发明实施例2中显影单元和鼓单元分离后处理盒示意图；
图20是本发明实施例2中鼓单元示意图；
图21是本发明实施例2中鼓单元分解示意图；
图22是本发明实施例2中鼓框体示意图；
图23是本发明实施例2中显影单元示意图；
图24是本发明实施例2中显影单元分解示意图；
图25是本发明实施例2中被限制件处于第二位置时处理盒剖视示意图；
图26是本发明实施例2中被限制件处于第一位置时处理盒剖视示意图；
图27是本发明实施例2中处理盒另一角度示意图；
图28是本发明实施例2中处理盒左端的分离接触机构剖视示意图；
图29是本发明实施例3中鼓单元示意图；
图30是本发明实施例3中鼓单元分解示意图；
图31是本发明实施例3中力接收构件示意图；
图32是本发明实施例4中处理盒某一角度示意图；
图33是本发明实施例4中处理盒的分离接触机构分解示意图；
图34是本发明实施例4中处理盒另一角度示意图；
图35是本发明实施例4中处理盒的显影单元处于接触位置时示意图；
图36是本发明实施例4中处理盒的显影单元处于分离位置时示意图；
图37是本发明实施例4中显影单元从接触位置移动至分离位置的过程中被限制部在限制部中的移动过程；
图38是本发明实施例5中力接收构件处于第一位置时处理盒示意图；
图39是本发明实施例5中力接收构件处于第二位置时处理盒示意图；
图40是本发明实施例5中力接收构件从处理盒中分解的处理盒某一角度示意图；
图41是本发明实施例5中力接收构件从处理盒中分解的处理盒另一角度示意图；
图42是本发明实施例5中限制部放大示意图；
图43是本发明实施例5中显影单元处于分离位置时力接收构件的接合位置示意图；
图44是本发明实施例5中显影单元处于接触位置时力接收构件的接合位置示意图；
图45是本发明实施例6中处理盒示意图；
图46是本发明实施例6中护盖从处理盒中分解出来的示意图；
图47是本发明实施例6中位于轴承盖上的被限制部的示意图；
图48是本发明实施例6中位于护盖上的限制部示意图；
图49是本发明实施例6中被限制部位于第一位置时示意图；
图50是本发明实施例6中被限制部位于第二位置时示意图；
图51是本发明实施例7中处理盒示意图；
图52是本发明实施例7中分离接触机构分解示意图；
图53是本发明实施例7中力接收构件位于第一位置时示意图；
图54是本发明实施例7中力接收构件位于第二位置且未收到外力迫推时示意图；
图55是本发明实施例7中显影辊与感光鼓接触时分离接触机构示意图；
图56是本发明实施例7中显影辊与感光鼓分离时分离接触机构示意图；
图57是本发明实施例8中力接收构件处于第一位置时处理盒某一角度示意图；
图58是本发明实施例8中力接收构件处于第二位置时处理盒某一角度示意图；
图59是本发明实施例8中处理盒另一角度示意图；
图60是本发明实施例8中处理盒的分离接触机构的分解示意图；
图61是本发明实施例8中显影辊与感光鼓接触时分离接触机构示意图；
图62是本发明实施例8中显影辊与感光鼓分离时分离接触机构示意图；
图63是本发明实施例9中处理盒示意图；
图64是本发明实施例9中处理盒的分离接触机构分解示意图；
图65是本发明实施例10中显影辊与感光鼓分离时处理盒某一角度示意图；
图66是本发明实施例10中显影辊与感光鼓接触时处理盒某一角度示意图；
图67是本发明实施例10中处理盒某一角度示意图；
图68是本发明实施例10中处理盒分解示意图；
图69是本发明实施例11中处理盒示意图；
图70是本发明实施例11中力接收构件示意图。
具体实施方式
实施例1
如图1-17所示，公开了一种现有技术中的使用电子照相形成工艺的成像设备1和本实施例1提供的一种处理盒100，处理盒100可拆卸的安装在成像设备1中并可与成像设备1配合，将需要显示的内容记录到记录介质(例如纸张)上。 接下来将结合附图对成像设备1和处理盒100分别进行详细的描述。
【成像设备的概要结构】
如图1-6所示，示出了现有技术中的一种成像设备1，成像设备1是使用电子照相工艺的四色全色激光打印机，并可在记录介质上形成彩色图像，成像设备1包括外壳主体2以及形成在外壳主体上中的内腔3，成像设备1还具有连通内腔3和成像设备1外部的开口4以及可覆盖开口4的门盖5，门盖5可在暴露开口4的打开位置和覆盖开口4的关闭位置之间绕轴转动，也就是说，门盖5可打开或关闭，在以下描述中，关于成像设备1，设置门盖5的一侧为后侧，与后侧相反的一侧为前侧，站在后面观察的成像设备1的右边为右侧，左边为左侧，上边为上侧，下边为下侧；成像设备1的内腔3中还容纳有托盘6，托盘6可沿着自后向前的方向插入至成像设备1的内腔3中，亦或是沿自前向后的方向从成像设备1的内腔3中抽出，并且，在托盘6中具有四个在前后方向上间隔排布的盒容纳部7，四个结构大体相同但其内容纳的显影剂颜色不同的处理盒100可对应的安装在盒容纳部7中，并能跟随托盘6的移动而移动；在成像设备1的右侧设置有四组驱动构件8，驱动构件8可接收成像设备1内马达输出的驱动力而旋转，在处理盒100安装在成像设备1的内腔3中时，驱动构件8可与处理盒100中的耦合构件108(后文将介绍)耦合而能驱动处理盒100进行工作。
在成像设备1的内腔3的上侧还设置有一对按压构件9，一对按压构件9分别设置在内腔3的左右两侧，按压构件9通过连杆构件(未示出)与门盖5连接并构造为可响应于门盖5的移动而在上下方向上移动，在处理盒100安装在成像设备1中且门盖5处于打开位置时，按压构件9位于处理盒100的上侧并与处理盒100间隔开，在门盖5由打开位置移动至关闭位置时，按压构件9向下移动并可按压处理盒100，也就是说，按压构件9可响应于门盖5的打开/关闭动作而能向上/向下移动，以不妨碍托盘6和处理盒100的插入和移除操作。
成像设备1还包括分离控制单元10，分离控制单元10通过与处理盒100的一部分接合来控制显影辊112(后文将描述)和感光鼓122(后文将描述)的接触/分离操作，分离控制单元10分别设置在成像设备1的内腔3下侧的左右两端，也就是在成像设备1的驱动侧(右侧)和非驱动侧(左侧)均设置有分离控制单元10，在下文中，左右两侧的分离控制单元10几乎具有相同的功能，所以两侧 的分离控制单元10使用相同的附图标记；在上下方向上分离控制单元10布置在驱动构件8的下方，分离控制单元10的左右方向上的每一侧均具有分别对应于四个处理盒100的分离控制构件11，多个分离控制构件11具有基本相同的形状，分离控制构件11总是连接到成像设备1上，然而，分离控制构件11被构造为通过控制机构(未示出)在前后方向上移动，此外，为了使分离控制单元10与处理盒100的一部分接合并控制显影辊112和感光鼓122接触/分离操作，分离控制单元10与处理盒100的一部分在上下方向上保持重叠；更具体的，分离控制单元10包括上述描述的分离控制构件11，分离控制构件11具有朝向处理盒100(即上侧)突出并且跨空间12彼此面对的第一施力表面11a和第二施力表面11b，第一施力表面11a和第二施力表面11b通过成像设备1的主组件下侧的连接部分(未示出)相互连接，此外，分离控制构件11通常被推压弹簧15向上推压，并可围绕旋转中心13可旋转的被控制金属板14支撑，而且，控制金属板14被构造为通过控制机构(未示出)在前后方向上移动，使得分离控制构件11被构造为在前后方向上可移动。
【处理盒】
接下来将结合附图1-17来详细描述本发明实施例1中的处理盒100，处理盒100如上所描述的，其可拆卸的安装在托盘6中，并可跟随托盘6一起安装至成像设备1的内腔3中，为便于下文描述，在以下描述中，处理盒100的长度方向为左右方向(第一方向)，耦合构件108在在左右方向上设置在处理盒100的右端(第一末端)；并且，如上述所知，定义处理盒100可沿自后向前的方向(第二方向)安装至成像设备1中，上下方向(第三方向)和左右方向和前后方向都垂直。
处理盒100包括相互连接的显影单元110和鼓单元120，显影单元110配置为可相对于鼓单元120摆动；其中，显影单元110包括可容纳显影剂的显影框体111和支撑在显影框体111上的显影辊112，显影辊112可绕沿左右方向延伸的显影辊旋转轴线旋转；鼓单元120包括鼓框体121和支撑在鼓框体121上的感光鼓122，感光鼓122可绕沿左右方向延伸的感光鼓旋转轴线旋转；在显影框体111和鼓框体121之间连接有弹簧102，该弹簧102因变形产生的弹力可施加在显影框体111和鼓框体121上，并布置为可使得显影辊112和感光鼓122保持紧密接 触，以确保处理盒100安装在成像设备1中并处于工作状态时，显影辊112通过与感光鼓122的接触而能将显影辊112上承载的显影剂准确的输送、沉积至感光鼓122上，从而用于显影感光鼓122上的静电潜像，输出显影剂像；在显影单元110和鼓单元120的右端均设置有耦合构件108，耦合构件108可与成像设备1的驱动构件8耦合，并能接收驱动构件8输出的旋转驱动力而旋转，从右向左观察，耦合构件108被驱动着沿顺时针方向旋转，耦合构件108可分别驱动显影辊112和感光鼓122旋转；不仅如此，处理盒100还包括存储单元101和用于安装存储单元101的存储单元架(未示出)，存储单元101具有设置在处理盒100左侧上端部的电接触表面101a，电接触表面101a和感光鼓122在上下方向上排布，电接触表面101a在上下方向上设置在鼓框体121的上端，电接触表面101a可电连接至成像设备1而使得存储单元101可与电子照相成像装置1建立通信连接，从而使得存储单元101中存储的处理盒100的例如型号、显影剂容量等信息能被成像设备1读取，值得一提的是，其中之一的按压构件9可按压并定位存储单元架，以确保存储单元101与成像设备1的电连接稳定性。
为确保在处理盒100进行工作时，显影单元110的显影辊112和鼓单元120的感光鼓122彼此接触，在处理盒100不进行工作时，显影单元110的显影辊112和鼓单元120的感光鼓122彼此分离，处理盒100还包括有使显影辊112和感光鼓122彼此接触或彼此分离的分离接触机构130，优选的，分离接触机构130由显影单元110(当然，分离接触机构130也可设置在鼓单元上)可移动的支撑并分别设置在处理盒100的左右两侧，这将使得处理盒100的左右两侧受力相对平衡，在显影辊112和感光鼓122在接触或分离时更加稳定，在以下描述中，显影辊112和感光鼓122彼此接触时，显影单元110处于接触位置，显影辊112和感光鼓122彼此分离时，显影单元110处于分离位置，并且，值得一提的是，处理盒100左右两侧的分离接触机构130几乎具有相同的结构和功能，所以左右两侧的分离接触机构130使用相同的附图标记，并且，也正是由于二者在结构和功能上大体相同，接下来将以右侧的分离接触机构130为例对其进行详细的介绍，左侧的分离接触机构130将不再重复赘述。
分离接触机构130包括作为保持构件的分离保持构件131、作为按压构件的力接收构件132和作为复位构件的第一弹性构件133，其中，第一弹性构件133 连接在分离保持构件131和力接收构件132之间，优选的，第一弹性构件133为拉伸弹簧，其产生的弹性力可保持分离保持构件131和力接收构件132彼此靠近，接下来将对分离保持构件131和力接收构件132进行具体介绍。
分离保持构件131设置在显影框体111的下侧，并包括有主体部分131c以及形成在主体部分131c上的第一孔131a，分离保持构件131通过第一孔131a套设在显影框体111上，并布置为可绕第一孔131a在第一位置和第二位置之间移动，分离保持构件131还包括从主体部分131c上径向向外突出的分离保持部131b(被限制部分)，分离保持部131b配置成可限制显影单元110和鼓单元120之间的相对位置，并能够在通过鼓单元120将显影单元110保持在分离位置的第一位置和通过鼓单元120将显影单元110保持在接触位置的第二位置之间移动，在分离保持部131b处于第一位置时，分离保持部131b的自由端与鼓框体121的受压面121a间隔，这时显影辊112和感光鼓122保持接触，在分离保持部131b处于第二位置时，分离保持部131b的自由端的至少一部分相比于处于第一位置下的分离保持部131b的自由端的至少一部分在上下方向上更远离电接触表面101a，这时分离保持部131b的自由端抵靠在鼓框体121上的受压面121a，显影辊112和感光鼓122保持分离而间隔一定距离，也就是说，分离保持部111a可在不抵靠鼓框体121的受压面121a和抵靠鼓框体121的受压面121a之间摆动，使得显影辊112和感光鼓122保持接触或分离；此外，分离保持构件131还包括沿着主体部分131c向下突出的抑制部131d，该抑制部131d与力接收构件132的下端彼此面对布置，其可在分离保持构件131处于第二位置时与力接收构件132抵接，使其稳定的保持在第二位置，从而抑制分离保持构件131进一步的旋转，然而，对于抑制部131d的位置及结构并不是限定的，只要能起到防旋转的技术效果即可。
力接收构件132可活动的设置在鼓框体121上，力接收构件132大体上呈杆状并构造为从鼓框体121的上侧端延伸至鼓框体121的下侧端，力接收构件132包括设置在其上端的被按压表面132a，其可在门盖5从打开位置移动至关闭位置时被按压构件9自上向下按压，而能迫使力接收构件132大致沿着自上向下的方向从第一位置移动至第二位置，力接收构件132处于第一位置时相比于处于第二位置时力接收构件132的下端在上下方向上更远离分离控制构件11，换句话 说，力接收构件132处于第一位置时相比于处于第二位置时力接收构件132的下端更缩进于鼓框体121中，以不妨碍托盘6和处理盒100的插入和移除操作；力接收构件132的下端还设置有从力接收构件132上突出形成的被迫推表面132b，在力接收构件132处于第二位置时，被迫推表面132b可被分离控制构件11迫推而促使力接收构件132在限制部121c(下文将详细介绍)限定的范围内绕轴摆动，具体的，被迫推表面132b包括在前后方向上彼此相对设置的第一被迫推表面132b1和第二被迫推表面132b2，其中，第一被迫推表面132b1的至少一部分面向处理盒100的前侧，第二被迫推表面132b2的至少一部分面向处理盒100的后侧，换句话说，第一被迫推表面132b1在处理盒100安装至成像设备1的安装方向上至少一部分面向处理盒100的下游侧，第二被迫推表面132b2在处理盒100安装至成像设备1的安装方向上至少一部分面向处理盒100的上游侧，在显影单元110由分离位置移动至接触位置的过程中，第一被迫推表面132b1可与分离控制机构11的第一施力表面11a接触并被其迫推，而促使力接收构件132带动着分离保持构件131摆动并在第一弹性构件133的弹性力复位下复位移动至不与鼓框体121的受压面121a抵靠的位置，实现显影辊112和感光鼓122的接触；在显影单元110由接触位置移动至分离位置的过程中，第二被迫推表面132b2可与分离控制机构11的第二施力表面11b接触并被其迫推而促使力接收构件132向前摆动，显影单元110被力接收构件132带动而一起移动至显影辊112和感光鼓122分离的分离位置，几乎同时的，失去力接收构件132抵靠而不被限制的分离保持构件131将向下摆动至与鼓框体121的受压面121a抵靠的位置，从而将保持显影辊112和感光鼓122分离的状态。
在力接收构件132上设置有安装部132c，安装部132c是形成在力接收构件132上的条形槽，即安装槽，该条形槽同样在上下方向上延伸，相对应的，在鼓框体121上设置有突起部121b，突起部121b优选为弹性扣，安装部132c可匹配的接合至突起部121b上，其一方面避免了力接收构件132轻易脱离鼓框体121，另一方面也使得力接收构件132可在突起部121b的定位下移动或摆动，并限制其在上下方向上的移动行程；进一步的，在鼓框体121上还设置有限制部121c，优选的，限制部121c是形成在鼓框体121上的容纳槽，并且，在左右方向上投影，容纳槽的上侧部分和下侧部分相较于中间部分具有更大的投影面积， 换句话说，容纳槽大致呈“沙漏”状，容纳槽构造为可容纳力接收构件132的至少一部分，其一方面可促使力接收构件132在上下方向上沿着容纳槽设定的路线进行移动，另一方面，也因其具有上侧部分和下侧部分相较于中间部分具有更大的投影面积的构造，因此，力接收构件132也可在与左右方向相交叉的方向上将力接收构件132的摆动空间限制在一定范围内，所以，通过采用上述结构，力接收构件132的移动和摆动行程均可得到有效限制；总的来说，力接收构件132在上下方向、前后方向、左右方向上均具有移动的移动自由度，其可在受力后在不同方向上移动。
值得一提的是，通过将力接收构件132设置在鼓单元120上，分离保持构件131设置在显影单元110上，同样实现显影辊112和感光鼓122的接触或分离，但是，可选择的是，也可将力接收构件132设置在显影单元110上，分离保持构件131设置鼓单元120，亦或是二者均设置在鼓单元120上，均可实现显影辊112和感光鼓122的接触或分离，这并不是限定的。
接下来详细描述显影辊112和感光鼓122之间通过分离接触机构130的接触操作；在本实施例的处理盒100，从右向左观察，显影单元110从成像设备1接收沿顺时针方向的扭矩，并且，如图13所示，当显影单元110处于分离位置且分离保持构件131处于第一位置时，显影单元110通过弹簧102接收作用力，这使得分离保持构件131的分离保持部131b稳定的抵接在鼓框体121的受压面121a上，显影单元110的姿态得以保持；以这种方式，当处理盒100安装在成像设备1中，第一被迫推表面132b1和第二被迫推表面132b2处于分离控制构件11的第一施力表面11a和第二施力表面11b在前后方向上形成的空间12中，随后分离控制构件11向后移动，分离控制构件11的第一施力表面11a与力接收构件132的第一被迫推表面132b1接触并迫推第一被迫推表面132b1，使得力接收构件132向后摆动，进而可迫使与力接收构件132接触的分离保持构件131脱离鼓框体121的受压面121a而从第一位置移动至第二位置，该分离保持构件131的第二位置也叫做分离允许位置，然后，显影单元110通过从弹簧102上接收的弹性力而在图15所示的V1方向摆动，并移动到显影辊112和感光鼓122彼此接触的接触位置，此时，分离保持部131b与鼓框体121的阻挡部121d接触并被阻挡，以阻挡分离保持构件131从第二位置移动至第一位置，即使第一弹性构件 133在箭头B2方向持续拉动分离保持构件131也因其被鼓框体121的阻挡部121d阻挡而被维持在分离允许位置(即第二位置)，此后，分离控制构件11沿前方向移动并返回原位置，并保持在一个不迫推力接收构件132的位置。
接下来详细描述显影辊112和感光鼓122之间通过分离接触机构130的分离操作；在处理盒100无需执行打印任务时，可由上述分离接触机构130可操作的将显影辊112和感光鼓122分离，在处理盒100需要执行打印任务时，分离控制构件11将向前移动，分离控制构件11的第二施力表面11b与力接收构件132的第二被迫推表面132b2接触并迫推第二被迫推表面132b2，使得力接收构件132的下端向前摆动带动显影单元110沿着V2方向摆动，这时，分离保持构件131在第一弹性构件133的弹性力作用下再次越过鼓框体121的阻挡部121d而从第二位置移动至第一位置，分离保持构件131的分离保持部131b再次与鼓框体121的受压面121a抵接，通过弹簧102的施力作用，分离保持构件131的姿态保持在第一位置，显影辊112和感光鼓122将保持稳定分离。
实施例2
接下来将介绍本发明中的实施例2，如图18-28所示，实施例2中示出了一种处理盒1000，对于该处理盒1000与上述实施例1中的处理盒相同的部分，这里就不再赘述，不同之处在于，本实施例中处理盒1000的分离接触机构的结构不同。
首先，先介绍处理盒1000右端的分离接触机构，分离接触机构包括可拆卸的安装在鼓框体1021上的力接收构件1032，力接收构件1032通过设置在鼓框体1021的护盖1023上的例如弹性扣1021a结构可拆卸的安装在鼓框体1021上，力接收构件1032的上末端可接收自上向下的外力而相对于鼓框体1021在上下方向上移动，并且力接收构件1032的下末端可接收分离控制机构11的推动力而相对于鼓框体1021在前后方向上移动，在力接收构件1032向前移动的过程中，力接收构件132可迫推显影单元1010的被迫推突起1010a，使得显影辊1012可响应于显影框体1021的移动而移动，从而与感光鼓1022分离，对于力接收构件1032的其它结构，由于其在实施例1中已进行详细的介绍，故而本实施例将不再进行赘述，为便于理解，接下来将针对该分离接触机构的其它结构以及显影辊1012与感光鼓1022的接触和分离过程进行更加详细的描述。
分离接触机构还包括连接在力接收构件1032和鼓框体1021之间的第一弹性构件1033，优选的，第一弹性构件1033为拉伸弹簧，具体的，第一弹性构件1033连接在力接收构件1032的第一连接突起1032b和鼓框体1021的护盖1023的第二连接突起1021b上，在力接收构件1032未受到外力作用时，第一弹性构件1033产生的弹性力将力接收构件1032保持在伸出的第一位置，在力接收构件1032受到自上向下的按压力时，力接收构件1032可克服第一弹性构件1033产生的弹性力而从第一位置移动至第二位置，在该按压力撤去后，力接收构件1032可在弹性力作用下从第二位置复位移动至第一位置，也就是说，第一弹性构件1033可用于在力接收构件1032未受到按压力时将其保持在第一位置并可将处于处于第二位置的力接收构件1032复位移动至第一位置。
进一步的，处理盒1000的分离接触机构还包括设置在鼓框体1021的护盖1023下端的第一限制部1028和容纳槽1023，第一限制部1028构造为形成在护盖1023上的凹槽或孔。
进一步的，在前后方向上，第一限制部1028和容纳槽1023之间还设置有第一倾斜面1023a，该第一倾斜面1023a相对于前后方向倾斜，以便于被限制部1040在第一倾斜面1023a的引导下从第二位置移动至第一位置。
进一步的，力接收构件1032和被限制部1040的至少其中之一上设置有第二倾斜面，第二倾斜面配置为可接收力接收构件1032的推动力，并与力接收构件推动第二倾斜面的推动方向交叉。
进一步的，处理盒1000的分离接触机构还包括与上述第一限制部1028、容纳槽1023和倾斜面1023a配合的分离保持组件，分离保持组件设置在显影单元1010上，分离保持组件包括有相对于显影框体1011可移动的被限制部1040，具体的，被限制部1040的一端通过例如构造为销钉的连接部1043可转动的连接在显影框体1011的轴承上，而可绕与左右方向交叉的方向延伸的旋转轴线转动，也就是说，被限制部1040可绕连接部1043相对于显影框体1011转动；被限制部1040具有第一被限制部分1041，第一被限制部分1041可插入鼓框体1021的第一限制部1028中，使得显影辊1012与感光鼓1022分离，在显影辊1012与感光鼓1022保持接触时，被限制部1040的第一被限制部分1041容纳在容纳槽1023中，并与鼓框体1021间隔开，对于具体的接触和分离过程，下文将详细介绍。
进一步的，处理盒1000的分离接触机构还包括设置在被限制部1040和显影框体1011之间的第二弹性构件1044，第二弹性构件1044构造为压缩弹簧，第二弹性构件1044产生的弹性力可施加至被限制部1040上，使得被限制部1040保持在伸出的第二位置，并可用于将处于第一位置的被限制部1040复位至第二位置，有助于使得第一被限制部分1041可稳定的保持在鼓框体1021的第一限制部1028中，以此保持显影辊1012与感光鼓1022分离状态。
进一步的，在处理盒1000的左端也设置有分离接触机构，处理盒1000左端的分离接触机构同样包括有安装在鼓框体1021上的力接收构件1032，其与右端的力接收机构1032大体相同，对于相同之处，这里将不再重复赘述，不同之处在于，力接收构件1032上设置有构造为突起的第二被限制部分1032f，显影框体1011上设置有与第二被限制部分1032f相配合的并构造为突起的第二限制部1023f，在显影辊1012与感光鼓1022接触时，第二被限制部分1032f与第二限制部1023f间隔开，在显影辊1012与感光鼓1022分离时，第二被限制部分1032f与第二限制部1023f抵接而能被第二限制部1023f限制朝着靠近感光鼓1022的方向移动，以此保持显影辊1012与感光鼓1022稳定的分离状态。
进一步的，处理盒1000还包括有与实施例1中的弹簧类似的弹簧1050，弹簧1050优选为拉伸弹簧，可选择的是，也可以是压缩弹簧；弹簧1050连接在显影单元1010和鼓单元1020上，并且其产生的弹性力可用于施加至显影单元1010上，以迫使显影辊1012与感光鼓1022保持紧密接触。
显影辊与感光鼓的接触和分离过程
以处理盒1000右端为例进行说明，在处理盒1000安装至成像设备1中且门盖5关闭后，成像设备1的按压构件9响应于门盖5的关闭而自上向下移动，按压构件9向下按压力接收构件1032，使得力接收构件1032向下从第一位置移动至第二位置，随后，分离控制机构11向前推动力接收构件1032的下末端，力接收构件1032推动显影单元1010的被迫推突起1010a，使得显影单元1010相对于鼓单元1020摆动，在显影单元1010的摆动过程中，连接在显影单元1010上的被限制部1040的第一被限制部分1041通过倾斜面1023a的引导进入第一限制部1028中，从而从第二位置移动至第一位置，在第二弹性构件1044的弹性力迫推下，第一被限制部分1041稳定的保持在伸出位置，此时被限制部1040被锁定， 避免了第三弹性构件1050产生的弹性力施加在显影单元1010上后使显影辊1012移动至接触位置。
在处理盒1000需要重新执行打印任务时，即显影辊1012需从分离位置移动至接触位置，这时，成像设备1的分离控制机构11可向后推动力接收构件1032的下末端，迫使力接收构件1032的下末端在前后方向上朝着靠近感光鼓1022的方向摆动，在力接收构件1032摆动过程中，力接收构件1032可推动被限制部1040解锁，被限制部1040的第一被限制部分1041在克服第二弹性构件1044的弹性力后向下转动一定角度，从而脱离与第一限制部1028的接触，在脱离瞬间，显影单元1010可在第三弹性构件1050的弹性力作用下朝着靠近鼓单元1020的方向移动，显影辊1012从分离位置移动至接触位置，最终，显影辊1012与感光鼓1022保持紧密接触，此时的第一被限制部分1041容纳在容纳槽1023中并与鼓框体1021间隔开。
实施例3
接下来将介绍本发明中的实施例3，如图29-31所示，实施例3中示出了一种处理盒，对于该处理盒与上述实施例1-2中的处理盒相同的部分，这里就不再赘述，不同之处在于，本实施例中处理盒右端的分离接触机构的结构不同。
本实施例处理盒右端的分离接触机构同样包括有力接收构件1132，其与上述实施例10中的力接收构件的结构和功能大体相同，对于二者的相同之处，这里就不再赘述，不同之处在于，力接收构件1132的下侧设置有可发生弯曲并发生弹性变形的被限制部1133，被限制部1133构造为从力接收构件1132的下侧表面向外延伸而成，并与力接收构件1132一体成型设置，以简化其结构，减少所需的模具数量，从而降低生产成本；在限制件1133的延伸末端具有第一被限制部分1133a，该第一被限制部分1133a同样可插入鼓框架1121的第一限制部1128中，使得显影辊与感光鼓稳定的保持在分离状态。
可选择的，被限制部1133可以是可发生弹性变形的弹片或钢片，亦或是可发生弹性移动的部件，只要被限制部1133受力后可移动并在力撤去后可复位即可，因而对被限制部1133的结构是不作限定的。
对于处理盒左端的分离接触机构来说，其与上述实施例2中的处理盒左端的分离接触机构大体相同，本实施例将不再重复赘述。
显影辊与感光鼓的接触和分离过程
以处理盒右端为例进行说明，在处理盒安装至成像设备1中且门盖5关闭后，成像设备1的按压构件9响应于门盖5的关闭而自上向下移动，按压构件9按压力接收构件1132向下从第一位置移动至第二位置，随后，分离控制机构11向前推动力接收构件1132的下末端，力接收构件1132推动显影单元的被迫推突起，使得显影单元相对于鼓单元1120摆动，在显影单元的摆动过程中，连接在力接收构件1132上的被限制部1133可发生弹性变形，使得第一被限制部分1133a可通过倾斜面1123a的引导进入第一限制部1128中，被限制部1133发生复位而稳定的保持在第一限制部1128中，此时被限制部1133被锁定，避免了处理盒右端的第三弹性构件产生的弹性力施加在显影单元上后使显影辊移动至接触位置。
在处理盒需要重新执行打印任务时，即显影辊需从分离位置移动至接触位置，这时，成像设备1的分离控制机构11可向后推动力接收构件1132的下末端，迫使力接收构件1132的下末端在前后方向上朝着靠近感光鼓的方向摆动，在力接收构件1132摆动过程中，被限制部1133再次发弹性变形而脱离与第一限制部1128的接触，在脱离瞬间，显影单元可在第三弹性构件的弹性力作用下朝着靠近鼓单元1120的方向移动，显影辊从分离位置移动至接触位置，最终，显影辊与感光鼓保持紧密接触，此时的第一被限制部分1133a容纳在容纳槽1123中并与鼓框体1121间隔开。
实施例4
接下来将结合附图32-37详细介绍本发明实施例4中的处理盒300，处理盒300与上述实施例中的处理盒相同的部分，例如：分离接触机构330包括与上述实施例中的力接收构件功能和结构大体相同力接收构件332，以及设置在显影框体311和力接收构件332之间的第一弹性构件340，其可用于在力接收构件332未受到来自处理盒300外部作用力时将力接收构件332保持在第一位置，以及在处理盒300的外部作用力撤去后将其从第二位置复位至第一位置处；处理盒还包括连接在显影框体311和鼓框体321之间弹簧333，其提供的弹性力在处理盒300未受到外部作用力时可将显影辊312和感光鼓322保持紧密接触状态，对于处理盒的其它相同之处，这里就不再赘述，不同之处在于，处理盒300上的分离接触机构330的不同。
本实施例的力接收构件332相对于显影框体311可移动的布置在显影单元310上，可选择的是，力接收构件332依旧可布置在鼓单元320上；不仅如此，处理盒300还包括设置在显影框体311长度方向一端的轴承盖313，轴承盖313用于可旋转的支撑显影辊312和耦合构件，在以下描述中，轴承盖313可作为显影框体311的一部分而存在，即显影框体311包括轴承盖313；处理盒300还包括设置在轴承盖313上并自轴承盖313的外表面向外突出的被限制部分314，被限制部分314可响应于力接收构件332的移动而相对于鼓框体321在第一位置和第二位置之间移动，在被限制部分314处于第一位置时，显影辊312和感光鼓322保持分离，当被限制部分314处于第二位置时，显影辊与感光鼓322保持接触，具体的，被限制部分314构造为一对间隔并彼此面对的突起，即第一突起314a和第二突起314b，第一突起314a和第二突起314b受力后可发生弹性变形移动，而能彼此相对的靠近或远离，也就是说，被限制部分314为弹性突起，在未受到外力作用时，第一突起314a和第二突起314b彼此远离，在受到外力时，第一突起314a和第二突起314b可彼此靠近；与此对应的是，处理盒300的一端还设置有护盖323，护盖323覆盖轴承盖313的至少一部分，在以下描述中，护盖323可作为鼓框体321的一部分而存在，即鼓框体321包括护盖323，在护盖323上设置有构造为槽的限制部324，限制部324包括相邻设置并彼此连通的第一限制部324a和第二限制部324b，第一限制部324a相对于第二限制部324b在前后方向上更靠近处理盒300的前端，在本实施例中，第一限制部324a也称之为第一槽324a，第二限制部324b也称之为第二槽324b，其中，第二槽324b包括连接第一槽324a的槽口，第一槽324a的最大宽度大于槽口的宽度，以便于被限制部分314在未受到外力时可被槽口阻挡而保持在第一位置，作为其中一种优选的实施方式，沿着左右方向观察，限制部324呈“葫芦”状，即沿着第一限制部324a朝向第二限制部324b的方向，第一限制部324a宽度较宽，通过槽口时宽度变窄，而后在第二限制部324b时再度变宽；在被限制部分314位于第一位置时，被限制部分314插入在第一限制部324a中，被限制部分314的第一突起314a和第二突起314b彼此远离而呈现张开状态，即便此时在弹簧333的弹性力作用下使得显影单元310具有从分离位置朝接触位置移动的运动趋势，但由于被限制部分314的第一突起314a和第二突起314b张开、且第一限制部324a和第 二限制部324b之间的槽口宽度较小，被限制部分314被槽口阻挡而使得其不足以越过该槽口，因此，显影单元310在处理盒300未受到外力作用时能稳定的保持在图35所示的分离位置；在被限制部分314位于第二位置时，被限制部分314插入在第二限制部324b中，此时，显影辊312和感光鼓322保持接触。
当然，上述描述的槽口也可理解成一对间隔设置的阻挡突起324g所形成，即槽口构造为一对阻挡突起324g之间的通道，阻挡突起324g可在被限制部分314处于第一位置并且施加在力接收构件332的被迫推表面的外力撤去后阻挡被限制部分314从第一位置移动至第二位置，以便于维持显影辊312和感光鼓322的分离状态；进一步的，限制部324的阻挡突起324g和被限制部分314的至少其中之一上设置有倾斜面324f，该倾斜面324f可用于将被限制部分314从第一位置导向移动至第二位置，或将被限制部分314从第二位置导向移动至第一位置，优选的，限制部324和被限制部分314上均设置有倾斜面324f，以便于更顺畅的导向被限制部分314，避免其出现卡死等问题。
在处理盒300安装在成像设备1中并且力接收构件332的第一被迫推表面332b1被分离控制构件11的第一施力表面11a向后迫推时，力接收构件322带动着显影单元310沿图35的V1方向摆动，这时，被限制部分314接合在限制部324的第一限制部324a上的接合状态被打破，位于显影单元310上的处于第一位置的被限制部分314将脱离鼓框体321上的限制部324的第一限制部324a，而可逐渐越过第一限制部324a和第二限制部324b之间的槽口，具体的，在越过第一限制部324a和第二限制部324b之间的槽口的过程中，因槽口大小较小，这时，被限制部分314的第一突起314a和第二突起314b被限制部分324的槽口处的内壁挤压而发生变形并彼此靠近，以允许被限制部分314通过，最终，彼此靠近的第一突起314a和第二突起314b越过槽口而移动至第二限制部324b处，此时，不再被挤压的被限制部分314的第一突起314a和第二突起314b在自身弹性力的复位下彼此远离并呈现张开状态，最终，被限制部分314移动至第二位置并限制部324的第二限制部324b中，这时显影单元310处于接触位置，随后，分离控制构件11向前移动而不再推动力接收构件332，在处理盒300的弹簧333的弹性力作用下，显影辊312和感光鼓322保持稳定的紧密接触状态。而显影单元310从接触位置移动至分离位置的处理盒300的动作过程与上述显影单元310 从分离位置移动至接触位置的动作过程大致相反，这里就不再赘述。
本实施例中处理盒300的分离接触机构330通过设置有被限制部分314与限制部324，在显影单元310处于接触位置或处于分离位置时，即便分离控制机构11的推动力不再施加在力接收构件332上，被限制部分314也均能接合在限制部324上，而稳定的保持显影辊312和感光鼓322的接触或分离状态，相比于现有技术中设置有可移动的分离保持构件，本实施例中大大简化了处理盒300的分离接触机构330结构，降低了处理盒300的生产成本。
实施例5
接下来将结合附图38-44来详细介绍本发明实施例5中的处理盒400，本实施例5作为实施例4中的一种变形实施例，处理盒400与上述实施例4中的处理盒的结构大体相同，例如：分离接触机构430包括与上述实施例4中的力接收构件结构大体相同力接收构件432，该力接收构件432可相对于显影框体411可移动的布置在显影单元410上，可选择的是，力接收构件432同样可布置在鼓单元420上；分离接触机构430还包括设置在显影框体411和力接收构件432之间的第一弹性构件(未示出，具体可参照实施例4)，其可用于在力接收构件432未受到来自处理盒400外部作用力时将力接收构件432保持在第一位置，以及在处理盒400的外部作用力撤去后将其从第二位置复位至第一位置处；上述实施例中描述的分离接触机构430的弹簧(未示出，具体可参照实施例4)连接在显影框体411和鼓框体421之间，其提供的弹性力在处理盒400未受到外部作用力时可将显影辊412和感光鼓422保持紧密接触状态。对于其它相同过之处，这里就不再赘述，不同之处在于，处理盒400的分离接触机构430的结构不同。
处理盒400的鼓框体421的下端还设置有限制部424，具体的，限制部424设置在护盖423的下末端，限制部424是形成在护盖423上的槽，限制部424包括相邻设置的第一限制部424a和第二限制部424b，第一限制部424a相对于第二限制部424b更靠近处理盒400的前端，第一限制部424a和第二限制部424b之间通过槽口相互连通，并设置有用于阻挡被限制部分432d的阻挡突起，沿着处理盒400的上下方向看，该槽口的宽度小于第一限制部424a和第二限制部424b的宽度，换句话说，第一限制部424a在通往第二限制部324b的路径上其开口大小逐渐变小，而后到达第二限制部324b时再次变大，这与实施例4中的限制部 结构大体相同，这里就不再赘述；力接收构件432上的下侧设置有被限制部分432d，优选的，被限制部分432d是形成在力接收构件432上并在上下方向延伸的突肋，在处理盒400未接收到来自处理盒400外部的作用力时，构造为突肋的被限制部分432d可接合在限制部424的第一限制部424a中，这使得力接收构件432被第一限制部424a限制移动，即便此时在第一弹性构件的弹性力作用下使得显影单元410具有从分离位置朝接触位置移动的运动趋势，其产生的力也不足以使力接收构件432脱离与第一限制部424a的接触，因此，通过力接收构件432与第一限制部424a的接合，力接收构件432能稳定的保持显影单元410在分离位置；在处理盒400安装在成像设备1中并且力接收构件432被分离控制构件11向后迫推时，力接收构件422带动着显影单元410摆动，这时，被限制部分432d接合在限制部424的第一限制部424a上的接合状态被打破，位于显影单元410上的被限制部分432d将脱离鼓框体421上的限制部424的第一限制部424a，而可逐渐越过第一限制部424a和第二限制部424b之间的槽口，具体的，在越过第一限制部424a和第二限制部424b之间的槽口的过程中，构造为突肋的被限制部分432d挤压护盖423内壁挤压而使其发生一定的弹性变形，以允许被限制部分432d通过，最终，被限制部分432d越过槽口而移动至第二限制部324b处，此时，不再被挤压的护盖432内壁在自身弹性力的复位下恢复正常状态，最终，被限制部分432d移动在限制部424的第二限制部424b中而使得力接收构件432被限制移动，显影单元410被力接收构件432限制也将无法移动而保持在接触位置，随后，分离控制构件11向前移动而不再推动力接收构件432，在处理盒400的弹簧的弹性力作用下，显影辊412和感光鼓422保持稳定的紧密接触状态。而显影单元410从接触位置移动至分离位置的处理盒400的动作过程与上述显影单元410从分离位置移动至接触位置的动作过程大致相反，这里就不再赘述。
本实施例中的分离接触机构430相较于实施例3，被限制部分432d设置在力接收构件432上，结构更加简单，增强了被限制部分432d的结构稳定性，从而提高了显影辊412和感光鼓422的分离和接触稳定性。
实施例6
接下来将结合附图45-50来详细介绍本发明实施例6中的处理盒500，本实施例6作为实施例4或5中的一种变形实施例，处理盒500与上述实施例4-6中 的处理盒的结构大体相同，例如：分离接触机构530包括与上述实施例4-6中的力接收构件结构大体相同力接收构件532，该力接收构件532构造为可接收外力后相对于护盖523移动，并在接收外力作用后可带动显影单元510相对于护盖523摆动；处理盒500的分离接触机构530还包括前述实施例中描述的弹簧(未示出，具体可参照实施例4)，其连接在显影框体511和鼓框体521之间，其产生的弹性力具有迫使显影单元510保持在接触位置的趋势，对于其它相同的结构，这里就不再赘述，不同之处在于，处理盒500的分离接触机构530的结构不同。
本实施例中处理盒500的鼓框体521的下端还设置有限制部524，具体的，限制部524设置在护盖523的下端，限制部524构造为形成在护盖523内表面上的槽，限制部524包括相邻设置的第一限制部524a和第二限制部524b，即第一槽524a和第二槽524b，第一限制部524a相对于第二限制部524b布置在更靠近处理盒500的前端的位置；并且，本实施例中的限制部524同样包括有设置在第一限制部524a和第二限制部524b之间的阻挡突起525，阻挡突起525构造为从限制部524的底部向外突出形成；进一步的，阻挡突起525上设置有第一倾斜面524a1和第二倾斜面524b1，第一倾斜面524a1所在的平面与第二倾斜面524b1所在的平面相交叉，对于上述描述的阻挡突起525和倾斜面(第一倾斜面524a1和第二倾斜面524b1)的功能，由于已经在实施例4-5中已描述，因此，本实施例将不再重复赘述；与此相对应的是，在轴承盖513的下端设置有被限制部分514，具体的，被限制部分514是设置在轴承盖513上的受力后可发生弹性移动的突起，该弹性件相对于护盖523在左右方向上具有一定的移动量，优选的，突起为弹性扣；可选择的是，被限制部分514还可以设置鼓框体521上或是区别于轴承盖513或鼓框体521的其他部件上，这并不是限定的。
在处理盒500的具体动作过程中，在处理盒500未接收到来自处理盒500外部的作用力时，构造为弹性扣的被限制部分514处于第一位置，其可接合在限制部524的第一限制部524a上，而使得显影单元510被第一限制部524a限制移动二保持在分离位置，即便此时在弹簧产生的弹性力作用下使得显影单元510具有从分离位置朝接触位置移动的运动趋势，但是其产生的弹性力也不足以使第一被限制部分514脱离与第一限制部524a的接触，因此，通过被限制部分514 与第一限制部524a的接合，第一被限制部分514能稳定的保持显影单元510在分离位置；在处理盒500安装在成像设备1中并且力接收构件532被分离控制构件11向后迫推时，力接收构件522带动着显影单元510相对于护盖523摆动，这时，被限制部分514接合在限制部524的第一限制部524a上的接合状态被打破，位于显影单元510的轴承盖513上的被限制部分514将脱离护盖523上的限制部524的第一限制部524a，而可在第一倾斜面524a1的导向下向后移动，这时，被限制部分514受到第一倾斜面524a1的反作用力挤压在左右方向上发生变形，以允许被限制部分514逐渐越过阻挡突起525，随后，被限制部分514在第二倾斜面524b1的导向下被导向至第二限制部524b上，此时，被限制部分514在左右方向上的变形量减少而恢复正常状态，这时，被限制部分514能稳定的接合在第二限制部524b上，因此，显影单元510被限制移动而稳定的保持在接触位置，随后，分离控制构件11向前移动而不再推动力接收构件532，在处理盒500的弹簧的弹性力作用下，显影辊和感光鼓保持稳定的紧密接触状态。对于显影单元510从接触位置移动至分离位置的处理盒500的动作过程与上述显影单元510从分离位置移动至接触位置的动作过程大致相反，这里就不再赘述。
本实施例提供了一种区别于实施例4-6的分离接触机构530的结构，但其同样能够实现控制显影单元510在接触位置和分离位置之间移动的技术效果。
实施例7
如图51-56所示，示出了本发明实施例7中的一种处理盒600，处理盒600与上述实施例中相同的部分，这里将不再赘述，不同之处在于，迫使显影辊和感光鼓接触和分离的结构不同。
分离接触机构630包括力接收构件632、杆643以及限制构件645，该力接收构件632与前述实施例中的力接收构件结构和功能大体相同，这里就不再过多赘述，杆643可活动的连接在力接收构件632和限制构件645之间，具体的，杆643长度方向的一端通过孔轴的间隙配合并可转动的连接在力接收构件632的下端，而杆643另一端的被限制部分643a(与实施例4中的被限制部分大体相同)则连接在限制构件645上，当力接收构件632被成像设备1按压而自上向下移动时，杆643连接在力接收构件632的一端可一边相对于力接收构件632转动，一边跟随力接收构件632一起自上向下移动；限制构件645构造为环状构件，其套 设在感光鼓的右端，限制构件645的下端部设置有与实施例4和实施例5中大体相同的限制部644，因此，对于本实施例中的限制部644的具体结构将不再进行详细描述，接下来将对分离接触机构630迫使显影辊和感光鼓接触和分离的工作过程进行详细的描述。
可另外参照图53所示，当力接收构件632处于第一位置时，杆643的被限制部分643a接合在第二限制部644a和第一限制部644b之间的槽中，此时被限制部分643的第一突起643a1和第二突起643a2发生变形而呈彼此靠近的闭合状态，显影辊与感光鼓保持分离的这种状态得以保持；当力接收构件632从第一位置克服第一弹性构件633的弹性力而移动至第二位置、且处于第二位置下的力接收构件632的被迫推表面632b受到来自成像设备1中向后的迫推力时，杆643可被力接收构件632推动着向后移动，在杆643向后移动的过程中，杆643的被限制部分643a可在限制部644中滑动，直至被限制部分643a接合在第二限制部644a中，被限制部分643a不再变形而呈彼此远离的张开状态，这时，施加在力接收构件632上的迫推力撤去，处于张开状态下的被限制部分643a被邻近第二限制部644a的位于第二限制部644a和第一限制部644b之间的槽阻挡，而使得被限制部分643a接合在第二限制部644a上的位置得以保持，最终，显影辊与感光鼓保持接触的这种状态得以保持；当显影辊和感光鼓需要从接触状态移动至分离状态时，力接收构件632的被迫推表面632b可被成像设备1向前迫推，这时，力接收构件632带动杆643一起向前移动，在杆643向前移动的过程中，杆643的被限制部分643a可在第二限制部644a和第一限制部644b之间的槽中滑动，第二限制部644a和第一限制部644b受到槽内壁的挤压发生变形而呈彼此靠近的闭合状态以避免被限制部分643a与限制部644出现干涉，随着杆643的进一步向前移动，被限制部分643a最终接合在第一限制部644b中，被限制部分643a不再变形而呈彼此远离的张开状态，这时，施加在力接收构件632上的迫推力撤去，处于打开状态下的被限制部分643a保持在与第一限制部644b接合的位置，显影辊与感光鼓保持分离的这种状态得以保持。
实施例8
接下来将介绍本发明中的实施例8，如图57-62所示，实施例8中示出了一种处理盒，对于该处理盒与上述实施例1-7中的处理盒相同的部分，这里就不再 赘述，不同之处在于，本实施例中处理盒的分离接触机构的结构不同。
具体的来说，本实施例中的分离接触机构包括可接收成像设备1的按压力而在上下方向移动的力接收构件832，分离接触机构还包括连接在力接收构件832下端并可响应于力接收构件832的移动而移动的分离保持构件846，分离保持构件846可转动的套设在耦合构件上，分离保持构件846包括构造为环状的主体部分846a，以及从主体部分846a径向向外突出的受力臂846b和分离保持部846d(即上文描述的被限制部分)，受力臂846b和分离保持部846d均构造为突起并在主体部分846a的圆周方向上间隔设置，优选的，分离保持部846d(被限制部分)设置在分离保持构件846上并构造为凸轮，其中，受力臂846b上形成有槽846c，力接收构件832的下端部上设置的连接突起832f可插入槽846c中；当力接收构件832处于第一位置时，分离保持构件846处于第二位置，其稳定的抵接在显影单元的受压面上，而使得显影辊812和感光鼓822保持分离；当力接收构件832从第一位置移动至第二位置的过程中，力接收构件832可推动分离保持构件846的受力臂846b，迫使分离保持构件846转动一定角度，这时，分离保持构件846的分离保持部846d仍然稳定的抵接在显影单元的受压面上，显影辊812和感光鼓822仍旧保持分离；当力接收构件832的被迫推表面832b受到向后的迫推力时，力接收构件832可迫推受力臂846b，迫使分离保持构件846再转动一定角度而从第二位置转动至第一位置，分离保持部846d与显影单元的受压面脱离接触，在第一弹性构件833的弹性力作用下，显影辊812从与感光鼓822相分离的分离位置移动至相接触的接触位置；当显影辊812和感光鼓822需分离时，力接收构件832的被迫推表面832b受到成像设备向前的迫推力，分离保持构件846被力接收构件832推动而从第一位置转动至第二位置，这时，分离保持部846d抵接在显影单元的受压面上，显影辊812和感光鼓822保持分离，即使随后成像设备上的迫推力从力接收构件832上撤去，依靠着分离保持部846d抵接在显影单元的受压面上，显影辊812和感光鼓822将持续保持分离。
实施例9
接下来结合附图63-64详细介绍本发明中的实施例9，本实施例9中示出了一种处理盒200，与上述实施例1-8中的处理盒相同之处，这里就不再赘述，不同之处在于，处理盒200的分离接触机构230的结构不同。
处理盒200包括可摆动的设置在显影单元210上的分离保持构件231和第一弹性构件233以及用于将分离保持构件231和第一弹性构件233定位在显影框体211上的定位件234，优选的，定位件优选为螺钉，可选择的是，其还可以是弹性扣结构，这并不是限定的，在本实施例中，分离保持构件231同样具有可与鼓单元220的鼓框体221抵接的分离保持部231b，其结构和功能与前述实施例1中的分离保持部大体相同，这里就不再赘述；第一弹性构件233一端抵接在显影框体211上，另一端抵接在分离保持构件231上，第一弹性构件233构造为在处理盒200未受到外力作用时其产生的弹性力可迫使分离保持构件231保持在第一位置，即显影单元210处于显影辊和感光鼓222彼此分离的分离位置，也就是说，第一弹性构件233产生的弹性力足以克服例如弹簧(本实施例中未示出)的弹性力而致使显影辊和感光鼓222彼此发生分离；优选的，第一弹性构件233为扭簧，其结构简单，使用成本较低；
进一步的，当处理盒200需要从无需执行打印任务的状态切换至需要执行打印任务的状态时，显影单元210的耦合构件208接收成像设备1的旋转驱动力，使得显影单元210接收有旋转扭矩，从右向左观察时，该旋转扭矩的方向为顺时针方向(即图中K方向)，该旋转扭矩作用在显影单元210上，其使得显影单元210的显影辊具有朝向靠近鼓单元220的感光鼓222移动的趋势，此时，为确保显影单元210可从显影辊和感光鼓222彼此分离的分离位置移动至显影辊和感光鼓222彼此接触的接触位置，第一弹性构件233构造为其产生的弹性力小于弹簧的弹性力大小和旋转扭矩的作用力之和，也就是说，在处理盒200执行打印任务时，第一弹性构件233产生的弹性力不足以抵抗弹簧的弹性力和旋转扭矩的作用力之和，这将使得分离保持构件231脱离与鼓框体221的接触而从第一位置摆动至第二位置，因此，在弹簧的弹性力和旋转扭矩的作用力的共同作用下，分离保持构件231稳定的保持在第二位置，显影辊和感光鼓222将再次彼此接触，显影单元210的姿态保持在接触位置。
进一步的，分离保持构件231依旧设置有抑制部231d，抑制部231d可与显影框体211或鼓框体221亦或是其它区别于分离保持构件231的其它部件抵接，其使得分离保持构件231在摆动过程中被阻挡，以将分离保持构件231限定在其所允许的摆动范围内，避免分离保持构件231脱离正确摆动位置。
本实施例中的处理盒200的分离接触机构230在结构上作出了进一步的简化，其无需借助处理盒200以外的作用力就能实现显影辊和感光鼓222的接触或分离，在简化了处理盒结构的同时，也相应的简化了成像设备的结构。
实施例10
接下来将结合附图65-68详细介绍本发明实施例10中的处理盒1200，处理盒1200与上述实施例9中的处理盒相同的部分，这里就不再赘述，不同之处在于，处理盒1200上的分离接触机构的不同。
处理盒1200的分离接触机构包括第一弹性构件1233和分离保持构件1255，第一弹性构件1233安装在鼓框体1221左右方向上一末端的安装柱1233上，分离保持构件1255可旋转的安装在显影单元的轴承盖1213上的安装孔1258上，第一弹性构件1233的一端抵接在鼓框体1221上，另一端抵接在分离保持构件1255上并可向分离保持构件1255施加弹性推动力；优选的，第一弹性构件1233为扭簧并构造为在处理盒1200未接收外力时可推动分离保持构件1255将其保持在第一位置，这时，显影辊与感光鼓1222分离，也就是耦合构件1208产生说，此时第一弹性构件1233施加在分离保持构件1255的推动力(即施加在显影单元上的推动力)大于弹簧施加在显影单元上的作用力以迫使显影单元保持在显影辊和感光鼓1222分离的位置；进一步的，分离保持构件1255构造为齿轮并布置为与耦合构件1208的齿轮部(未示出)保持啮合，当耦合构件1208接收来自成像设备1中的驱动力旋转时，耦合构件1208产生的旋转扭矩可克服第一弹性构件1233的弹性推动力而可带动显影单元转动，迫使显影辊从与感光鼓1222分离的分离位置移动至与感光鼓1222接触的接触位置移动，在这期间，耦合构件1208可驱动分离保持构件1255旋转，且分离保持构件1255可跟随显影单元一起沿着形成在驱动侧护盖上的避让槽1256转动，并最终保持在第二位置，优选的，避让槽1256为弧形槽。
总的来说，本实施例中的处理盒1200通过设置有第一弹性构件1233和分离保持构件1255，在耦合构件1208未接收外力时，第一弹性构件1233产生的弹性力可施加在分离保持构件1255上并可推动分离保持构件1255带着显影单元保持在第一位置，显影辊与感光鼓1222实现分离；在耦合构件1208被驱动旋转时，耦合构件1208与分离保持构件1255啮合并且其产生的旋转扭矩可迫使显影单元 转动，进而使得分离保持构件1255从第一位置移动至第二位置，显影辊与感光鼓1222实现接触。
实施例11
如图69-70所示，示出了本发明实施例11中的一种处理盒700，处理盒700与上述实施例中相同的部分，这里将不再赘述，不同之处在于，力接收构件732通过设置在轴承盖713上的弹性扣713a的扣接而可活动的安装在轴承盖713上，力接收构件732包括分体设置并相互连接的第一部分741和第二部分742，第一部分741可响应于成像设备1的按压而相对于显影框体711移动，第二部分742可被第一部分741推动而相对于显影框体711移动，第一部分741包括位于其上端的可被成像设备1按压的被按压表面732a，第二部分742包括位于其下端的可被成像设备1迫推的被迫推表面732b；对于第一部分741和第二部分742，二者的连接结构是多样的，作为本实施例中的一个优选实施方式，在第一部分741上设置有安装孔(未示出)，在第二部分742上设置有与安装孔匹配安装的安装突起742a，该安装突起742a受力后可发生弹性变形，并具有张开状态和闭合状态，在安装突起742a未受到外力时，安装突起742a呈张开状态，在安装突起742a插入安装孔中而受到安装孔的内壁的挤压而变形后，安装突起742a可由张开状态变形至闭合状态，以此避免与安装孔发生干涉，使得安装突起742a可顺利的安装至安装孔中，安装完成后，安装突起742a再次由闭合状态恢复变形至打开状态，安装突起742a将稳定的接合在安装孔内，可选择的，也可在第一部分741上设置有安装突起，在第二部分742中设置有安装孔；并且，第一部分741和第二部分742还可以通过安装突起和安装孔之间过盈配合的方式安装，这并不是限定的。而且，力接收构件732不局限于上述第一部分741和第二部分742，其还可以具有两个以上的多个分体设置的部分。
因而，可以知道的是，本实施例中将力接收构件732分成多个分体设置并相互连接的部分，相对于现有技术中一体成型的力接收构件，这可减少因力接收构件过长致力接收构件受迫推后发生弯曲变形的弯曲变形量，提高了处理盒700的显影辊和感光鼓的接触和分离的稳定性。
实施例12
接下来将介绍本发明中的实施例12，实施例12中示出了一种处理盒，对于 该处理盒与上述实施例1-11中的处理盒相同的部分，这里就不再赘述，不同之处在于，本实施例中处理盒的分离接触机构仅设置在处理盒左右两侧的任意一侧上，以避免分离接触机构在接收使显影辊和感光鼓由接触位置移动至分离位置的分离力的过程中，处理盒的左右两侧出现分离不同步的问题，一旦出现两侧分离不同步的问题，那么处理盒在执行打印任务时则易出现打印品质问题，因此，本实施例中的处理盒的分离接触机构仅布置在处理盒左右两侧的任意一侧上，即仅一侧上设置有被限制部分；进一步的，因处理盒左侧的存储单元架可被按压构件按压，故而处理盒的左侧可被稳定定位，当分离接触机构仍旧设置在处理盒的左侧而右侧不设置时，那么处理盒右侧将失去按压力，导致处理盒左右两侧受力不平衡，这时，处理盒的右侧定位将变得不稳定，在处理盒工作过程中，耦合构件等旋转件因旋转产生的旋转扭矩将导致处理盒的晃动增大，这将影响处理盒打印品质，这时，优选的是，分离接触机构布置在处理盒的右侧，即被限制部分布置在处理盒的右侧，以便于成像设备中的按压构件可按压处理盒的右侧，使得处理盒的左右两侧均可接收到按压力，提高了处理盒左右两侧的定位稳定性；值得一提的是，本实施例中仅在处理盒一侧设置有分离接触机构适用于上述实施例1-11的任一一处理盒。

Claims (10)

  1. 一种处理盒，包括；
    感光鼓，可绕沿第一方向延伸的感光鼓旋转轴线旋转；
    鼓单元，包括所述感光鼓；
    显影辊，配置为将显影剂沉积到所述感光鼓上；
    显影单元，包括所述显影辊，并且能够在接触位置和分离位置之间移动，在所述接触位置，所述显影辊和所述感光鼓接触，在所述分离位置，所述显影辊的至少一部分和所述感光鼓分离；
    力接收构件，包括被迫推表面，所述被迫推表面配置成可接收外力而能迫使所述显影单元从所述接触位置移动至所述分离位置；
    被限制部，配置成可限制所述显影单元和所述鼓单元之间的相对位置，当所述显影单元位于所述分离位置时，所述被限制部位于第一位置，当所述显影单元位于所述接触位置时，所述被限制部位于第二位置；
    弹性构件，可向所述显影单元施加弹性力，使得所述显影单元具有从所述分离位置朝向所述接触位置移动的趋势；
    其特征在于，所述处理盒还包括用于限制所述被限制部的限制部，当所述被限制部位于所述第一位置并且施加在所述被迫推表面上的外力撤去后，在所述弹性构件向所述显影单元施加从所述分离位置朝向所述接触位置移动的力时，所述限制部可抑制所述被限制部的移动以保持所述显影单元在所述分离位置。
  2. 根据权利要求1所述的处理盒，其特征在于，所述处理盒还包括可接收外力并能驱动所述显影辊旋转的耦合构件，以及可旋转的支撑并覆盖所述耦合构件至少一部分的轴承盖，所述被限制部设置在所述轴承盖上。
  3. 根据权利要求1所述的处理盒，其特征在于，所述限制部和所述被限制部的至少其中之一受力后可弹性移动。
  4. 根据权利要求1所述的处理盒，其特征在于，所述被限制部构造为可弹性移动的突起。
  5. 根据权利要求4所述的处理盒，其特征在于，所述限制部构造为与所述突起配合以抑制所述显影单元从所述分离位置朝向所述接触位置移动的阻挡突起。
  6. 根据权利要求5所述的处理盒，其特征在于，所述鼓单元包括在第一方向上设置在所述鼓单元一末端的护盖，所述限制部设置在所述护盖上。
  7. 根据权利要求1所述的处理盒，其特征在于，所述力接收构件安装在所述鼓单元上并且所述力接收构件可相对于所述感光鼓在与所述感光鼓的旋转轴线交叉的方向上移动。
  8. 根据权利要求7所述的处理盒，其特征在于，所述处理盒还包括连接部，所述被限制部通过所述连接部连接在所述显影单元上，并可绕与第一方向交叉的方向延伸的旋转轴线转动。
  9. 根据权利要求8所述的处理盒，其特征在于，所述处理盒还包括可操作的连接至所述被限制部的第一弹性构件，在所述显影单元位于所述分离位置时，所述第一弹性构件可施加弹性力至所述被限制部而能将所述被限制部稳定的保持在所述第一位置。
  10. 根据权利要求1所述的显影盒，其特征在于，所述被限制部设置在所述力接收构件上，并可跟随所述力接收构件一起移动。
PCT/CN2023/120759 2022-09-22 2023-09-22 一种处理盒 WO2024061355A1 (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
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JP2004341118A (ja) * 2003-05-14 2004-12-02 Canon Inc プロセスカートリッジおよび画像形成装置
US20060245784A1 (en) * 2005-04-27 2006-11-02 Canon Kabushiki Kaisha Process cartridge and image forming apparatus
US20090297219A1 (en) * 2008-05-27 2009-12-03 Canon Kabushiki Kaisha Process cartridge
JP2010033085A (ja) * 2006-12-11 2010-02-12 Canon Inc 現像装置、プロセスカートリッジ及び電子写真画像形成装置
CN101715570A (zh) * 2007-06-29 2010-05-26 佳能株式会社 处理盒以及电子照相成像设备

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004341118A (ja) * 2003-05-14 2004-12-02 Canon Inc プロセスカートリッジおよび画像形成装置
US20060245784A1 (en) * 2005-04-27 2006-11-02 Canon Kabushiki Kaisha Process cartridge and image forming apparatus
JP2010033085A (ja) * 2006-12-11 2010-02-12 Canon Inc 現像装置、プロセスカートリッジ及び電子写真画像形成装置
CN101715570A (zh) * 2007-06-29 2010-05-26 佳能株式会社 处理盒以及电子照相成像设备
US20090297219A1 (en) * 2008-05-27 2009-12-03 Canon Kabushiki Kaisha Process cartridge

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