WO2021047072A1 - 处理盒 - Google Patents

处理盒 Download PDF

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Publication number
WO2021047072A1
WO2021047072A1 PCT/CN2019/123060 CN2019123060W WO2021047072A1 WO 2021047072 A1 WO2021047072 A1 WO 2021047072A1 CN 2019123060 W CN2019123060 W CN 2019123060W WO 2021047072 A1 WO2021047072 A1 WO 2021047072A1
Authority
WO
WIPO (PCT)
Prior art keywords
process cartridge
force receiving
rib
unit
cartridge according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/123060
Other languages
English (en)
French (fr)
Inventor
范文燚
周宏辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Un-Tern Imaging Products Co Ltd
Original Assignee
Zhuhai Un-Tern Imaging Products Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhuhai Un-Tern Imaging Products Co Ltd filed Critical Zhuhai Un-Tern Imaging Products Co Ltd
Priority to DE212019000519.5U priority Critical patent/DE212019000519U1/de
Priority to EP19944965.3A priority patent/EP4040237A4/en
Priority to US17/638,205 priority patent/US11720053B2/en
Publication of WO2021047072A1 publication Critical patent/WO2021047072A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
    • G03G21/1817—Arrangements or disposition of the complete process cartridge or parts thereof having a submodular arrangement
    • G03G21/1825—Pivotable subunit connection
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
    • G03G21/1817—Arrangements or disposition of the complete process cartridge or parts thereof having a submodular arrangement
    • G03G21/1821—Arrangements or disposition of the complete process cartridge or parts thereof having a submodular arrangement means for connecting the different parts of the process cartridge, e.g. attachment, positioning of parts with each other, pressure/distance regulation
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/18—Cartridge systems
    • G03G2221/183—Process cartridge
    • G03G2221/1853—Process cartridge having a submodular arrangement
    • G03G2221/1869—Cartridge holders, e.g. intermediate frames for placing cartridge parts therein
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/18—Cartridge systems
    • G03G2221/183—Process cartridge
    • G03G2221/1884—Projections on process cartridge for guiding mounting thereof in main machine

Definitions

  • the invention relates to a processing box for imaging equipment, in particular to a processing box with a separating force receiving mechanism.
  • the existing process cartridges mainly include: an integrated process cartridge that integrates a photosensitive drum unit and a developing unit, and a separate process cartridge that only includes a photosensitive drum unit or a developing unit.
  • the photosensitive drum unit and the developing unit are usually connected to each other in a rotatable manner.
  • the developing roller is kept pressed toward the photosensitive drum.
  • the developing roller is kept pressed on the outer peripheral surface of the photosensitive drum.
  • the elastic layer of the developing roller may remain in contact with the outer surface of the photosensitive drum.
  • the Chinese patent document with the publication number CN108398871A discloses a processing box.
  • the processing box is provided with a separation force receiving mechanism that cooperates with the separation mechanism of the imaging device and an abutment portion provided on the bearing.
  • the force receiving mechanism receives the force from the spacing member of the separation mechanism of the imaging device and cooperates with the abutment portion provided on the bearing of the process cartridge.
  • the spacing member of the separation mechanism applies separation to the separation force receiving mechanism of the process cartridge.
  • the force is applied by the separating force receiving mechanism to the abutting portion on the bearing of the process cartridge to cause relative movement between the photosensitive drum unit and the developing unit, thereby separating the developing roller and the photosensitive drum.
  • the separation force receiving mechanism since the separation force receiving mechanism is located on the front side of the process cartridge in the installation direction of the process cartridge and protrudes from the outside of the housing of the process cartridge, the separation force receiving mechanism will be installed in the same way as the process cartridge is installed in the imaging device.
  • the internal components of the imaging device collide, such as the guide member inside the imaging device, the spacing component of the separation mechanism, etc., so that the separation force receiving member is damaged and affects the service life of the process cartridge.
  • the main object of the present invention is to provide a process cartridge that effectively prevents the separation force receiving member from being damaged due to collision with the imaging device during the process of loading the process cartridge into the imaging device.
  • a processing box is detachably mounted to an imaging device, and the imaging device is provided with a separation mechanism;
  • the processing box includes: a first movably connected to each other A unit and a second unit, the first unit includes a first unit frame and a photosensitive drum, the second unit includes a second unit frame and a developing roller; a separation force receiving mechanism, arranged in the length direction of the process cartridge The first end; the abutment portion, located at the second unit; the sliding groove, located at the first end of the process box;
  • the separating force receiving mechanism includes: a separating force receiving member, movably installed in the The sliding groove includes a force receiving portion, a force transmitting portion, and a restricting portion, and the restricting portion restricts the separating force receiving member from being separated from the sliding groove along the installation direction of the process cartridge; an elastic member acts on the separating force
  • the receiving member has elastic force; under the action of the force of the imaging device, at least a part
  • the separating force receiving mechanism collides with the imaging device during the process of loading the process cartridge into the imaging device, the separating force receiving mechanism is provided with an elastic member, so that the separating force receiving member can be oriented relative to the sliding groove.
  • the internal retraction of the processing box has a buffering effect on the collision with the imaging device, preventing the separation force receiving member from being damaged due to strong collisions and affecting the service life of the processing box.
  • the separation force receiving member can move on the chute and contact The parts cooperate with each other to effectively separate the developing roller and the photosensitive drum.
  • the second unit further includes a gear protective cover, and the abutting portion is provided on the gear protective cover.
  • the sliding groove has a receiving portion and a first mounting portion, and the corresponding separating force receiving member is a sliding block.
  • the slider includes a base plate, a first rib, a second rib, a third rib, and a fourth rib; in the installation direction of the process box, the first rib and the first rib Between the three ribs and between the second ribs and the fourth ribs are formed a slot that cooperates with the sliding groove; the force transmission portion is provided on the base plate; the force receiving portion is provided On the first rib, the restricting portion is provided on the third rib.
  • the sliding block and the sliding groove on the processing box cooperate with each other, so that the sliding block can slide on the sliding groove and retract into the processing box when it collides with the imaging device, so as to buffer the collision with the separation mechanism, Therefore, it is avoided that the separating force receiving member is damaged due to a strong collision, thereby affecting the service life of the processing box.
  • the length of the slot is greater than the depth of the sliding groove, so that the slider can move in the installation direction of the process cartridge.
  • the slider can move in the installation direction of the process box, the structure is simple, and the production cost is low.
  • the length of the third rib is greater than the length of the first mounting portion.
  • the length of the third rib is greater than the length of the first mounting portion, which can restrict the sliding block from separating from the chute along the mounting direction of the processing box.
  • the gear cover is provided with a second mounting portion for mounting the elastic member.
  • the second installation portion is a surface of the gear cover provided on the front side of the gear cover.
  • the elastic member can be stably installed on the process cartridge, the structure is simple, and the production cost is low.
  • the elastic member is a compression spring or an elastic sponge.
  • the above processing box uses a compression spring or an elastic sponge as an elastic member, which has good elastic buffering effect, simple structure, low production cost, and good matching effect with the slider.
  • the second mounting portion is a mounting protrusion provided on the gear cover.
  • the elastic member can be stably installed on the process cartridge, the structure is simple, and the production cost is low.
  • the elastic member is a torsion spring.
  • the above processing box uses a torsion spring as an elastic member, which has good elastic buffering effect, simple structure, low production cost, and good matching effect with the slider.
  • the slider and the elastic member are integrally formed, and the elastic member is an elastic arm of the slider.
  • the sliding block and the elastic member are integrally formed, and the structure is simple and the production cost is low.
  • the separating force receiving member is movable between a contact position and an interval position; at the contact position, the developing roller and the photosensitive drum are in contact with each other; at the interval position, the developing roller and the photosensitive drum are in contact with each other.
  • the photosensitive drums are separated from each other.
  • the separation force receiving member can move between the contact position and the spacing position, and the separation force receiving member transmits the separation force to the abutting portion, so that the first unit and The second unit moves relatively and effectively separates the developing roller and the photosensitive drum, thereby protecting the developing roller and increasing the service life of the process cartridge.
  • Figure 1 is a perspective view of the process cartridge of Example 1;
  • Figure 2 is a partial enlarged view of A in Figure 1;
  • Figure 3 is a schematic diagram of a partial structure of the process cartridge in Example 1;
  • Figure 4 is a partial exploded view of the processing box of Example 1;
  • Figure 5 is a partial enlarged view of B in Figure 4.
  • Figure 6 is a partial enlarged view of C in Figure 4.
  • FIG. 7 is a partial structural diagram of the process cartridge in Embodiment 1 when the slider is not subjected to the pressure of the separation mechanism of the imaging device in the installation direction of the process cartridge;
  • FIG. 8 is a partial structural diagram of the process cartridge in Embodiment 1 when the slider is pressed by the separation mechanism of the imaging device in the installation direction of the process cartridge;
  • FIG. 9 is a schematic diagram of the positional relationship between the slider and the separation mechanism of the imaging device when the developing roller and the photosensitive drum of the process cartridge of Embodiment 1 are in contact;
  • FIG. 10 is a schematic diagram of the positional relationship between the slider and the separation mechanism of the imaging device when the developing roller and the photosensitive drum of the process cartridge of Embodiment 1 are in a spaced state;
  • Figure 11 is a schematic diagram of a partial structure of a process cartridge in Embodiment 2;
  • Fig. 12 is a schematic diagram of a partial structure of the process cartridge of the third embodiment.
  • the process cartridge 100 includes a first unit 1, a second unit 2, a first end cover 3, and a second end cover 4.
  • the first unit 1 is a photosensitive drum unit, which can also be called a cleaning unit
  • the second unit 2 is a developing unit.
  • the first unit 1 includes a first unit frame 11, a photosensitive drum 12, a charging roller (not shown), a waste toner bin (not shown), and the like.
  • the second unit 2 includes a second unit frame 21, a developing roller 22, a powder feeding roller (not shown), a layer thickness adjusting device (not shown), a powder silo 23, etc.
  • the powder silo 23 can contain developer, and the powder silo 23 has a powder storage wall (not shown) close to the side of the first end cover 3. Among them, the first unit 1 and the second unit 2 are connected together in a rotatable manner. When the process cartridge 100 is in an initial state where no separation force is applied, the photosensitive drum 12 and the developing roller 22 are in a state of contact with each other. When the process cartridge 100 is subjected to the separation force, the first unit 1 and the second unit 2 can be relatively rotated and moved to separate the photosensitive drum 12 from the developing roller 22.
  • the first unit 1 and the second unit 2 move relative to each other again to restore the process cartridge 100 to the initial state, and the photosensitive drum 12 and the developing roller 22 are in contact with each other. . That is, through the rotational movement between the second unit 2 and the first unit 1, the developing roller 22 can move between a position in contact with the photosensitive drum 12 and a position spaced apart from the photosensitive drum 12.
  • the first end cover 3, the second end cover 4, and the first unit frame 12 can be arranged separately or integrally formed.
  • first end cover 3 and the second end cover 4 are both integrated with the first unit frame 11 Forming, the first end cover 3 is located at the first end 5 of the process box 100, the second end cover 4 is located at the second end 6 in the length direction of the process box 100, and the first end 5 and the second end 6 are at the length of the process box 100. Opposite each other in direction.
  • the length direction of the process cartridge 100 is parallel to the axial direction of the developing roller 22.
  • an extension portion 31 is provided on the first end cover 3.
  • the extension portion 31 extends along the length of the process cartridge 100 toward the second end cover 6, and a sliding portion 31 is provided on the extension portion 31.
  • the groove 311, the sliding groove 311 has a receiving portion 3111 and a first mounting portion 3112; viewed along the direction opposite to the mounting direction X of the process cartridge 100, the outline of the first mounting portion 3112 is basically rectangular, and the first mounting portion 3112 is being processed
  • the length in the longitudinal direction of the box 100 is a.
  • the first unit 1 further includes a photosensitive drum driving force coupling member 13, which is located at the first end 5 of the process cartridge 100, one end is connected to the photosensitive drum 12, and the other end It protrudes from the first through hole 32 of the first end cover 3 and can cooperate with the driving part in the main body of the imaging device (not shown) to receive the driving force from the driving part, and then transmit it to the photosensitive drum 12 and the charging roller (not shown). (Shown) to drive rotating components such as the photosensitive drum 12 and a charging roller (not shown) to rotate.
  • the second unit 2 also includes a gear cover 24 and a developing roller driving force coupling 25.
  • the gear shield 24 and the developing roller driving force coupling 25 are both located at the first end 5 of the process cartridge 100.
  • the gear protection cover 24 is located inside the first end cover 3, is fixedly connected to the powder silo wall (not shown), and covers the developing roller gear (not shown) and the powder feed roller gear, etc.
  • the gear protection cover 24 is provided with The abutting portion 241 and the second mounting portion 242.
  • the second mounting portion 242 of this embodiment is a gear cover surface provided on the front side of the gear cover 24, and the abutting portion 241 is also located on the front side of the gear cover 24 and is connected to the second mounting portion 242.
  • the mounting part 242 is substantially vertical.
  • One end of the developing roller driving force coupling 25 is connected with the developing roller gear and the powder feeding roller gear (not shown), and the other end extends from the second through hole 33 of the first end cover 3 and can be connected to the imaging device (not shown).
  • the drive components in the host cooperate to receive the driving force from the drive components, and then transmit it to the developing roller 22 and the powder feed roller (not shown) to drive the rotating components such as the developing roller 22 and the powder feed roller (not shown) to rotate. .
  • the process cartridge 100 further includes a separation force receiving mechanism 7, and the separation force receiving mechanism 7 includes a separation force receiving member and an elastic member.
  • the separating force receiving member in this embodiment is a slider 71 which is installed on the sliding groove 311 of the first end cover extension 31 and cooperates with the sliding groove 311 on the extension 31.
  • the slider 71 basically includes an integrated base plate 711, a first rib 712, a second rib 713, a third rib 714, and a fourth rib 715, the base 711 and the first rib 712, the second rib 713, The third rib 714 and the fourth rib 715 are substantially vertical; the base plate 711 is approximately "L-shaped" and the base plate 711 has a force transmission end 7111.
  • the first rib 712 and the second rib 713 are located on the front side relative to the third rib 714 and the fourth rib 715; in the length direction of the process box 100, the first rib
  • the plate 712 has a length b, and the length b of the first rib 712 is smaller than the length a of the first mounting portion to allow the first rib 712 to pass through the first mounting portion 3112; in the length direction of the process cartridge 100, the third The rib 714 has a length c, and the length c is greater than the length a of the first mounting portion, so as to restrict the slider 71 from escaping from the sliding groove 311 along the mounting direction X of the process cartridge 100.
  • the first rib 712, the second rib 713, the third rib 714, and the fourth rib 715 all have front and rear sides, which are in front of the installation direction X of the process box 100 Is the front side, the opposite side is the rear side, between the rear side of the first rib (not shown) and the front side 7141 of the third rib, the rear side of the second rib (not shown) and the front of the fourth rib
  • the side surfaces 7151 respectively form a card slot 716 that cooperates with the sliding groove 311; in the installation direction X of the process box 100, the card slot 716 has a length, which is the rear side of the second rib (not shown) and the The distance between the front sides 7151 of the fourth ribs corresponds to the depth of the sliding groove 311 in the installation direction of the process box 100, and the length of the clamping groove 716 is greater than the depth of the sliding groove 311 to allow the slider 71 to be positioned in the installation direction of the process
  • the slider 71 has a force receiving portion 7121, a force transmitting portion 71111, and a restricting portion.
  • the force receiving portion 7121 is provided on the first rib 712 for receiving the separating force from the separation mechanism of the imaging device;
  • the force transmitting portion 71111 is located on the base plate 711
  • the force transmission end 7111 and facing the abutment portion 241 provided on the gear cover 24 is used to transmit the separating force to the second unit 2 so that the second unit 2 rotates and moves relative to the first unit 1;
  • the restricting portion is provided at The front side surface 7141 of the third rib is used to restrict the sliding block 71 from escaping from the sliding groove 311 along the installation direction X of the process box 100.
  • the slider 71 has a sliding direction Y relative to the sliding groove 311, and the sliding direction Y is preferably perpendicular to the installation direction X of the process cartridge 100; in the direction Y in which the slider 71 slides relative to the sliding groove 311
  • the slider 71 can be divided into a force receiving side 717 and a force transmitting side 718.
  • the side having the force receiving portion 7121 is the force receiving side 717
  • the side having the force transmitting portion 71111 is the force transmitting side 718.
  • the elastic member can be a compression spring or an elastic sponge.
  • the elastic member is an elastic sponge 72 having a rectangular parallelepiped shape.
  • the elastic sponge 72 has a first end surface (not shown) and a second end surface 722 in the mounting direction X of the process box 100.
  • the first end surface (not shown) Out) is in contact with the second mounting portion 242 provided on the gear cover 24, and the second end surface 722 is in contact with the slider 71; in the length direction of the processing box 100, the elastic sponge 72 is located on the powder storage wall (not shown) ) And the first end cover 3, so that the elastic sponge 72 is stably mounted on the second mounting portion 242 without falling off; in the X direction of the mounting direction of the process box 100, the slider 71 is located in front of the process box 100 side.
  • the elastic sponge 72 has elastic force on the slider 71, so that the slider protrudes from the chute 311 to the outside of the process cartridge 100 along the installation direction X of the process cartridge 100, and can receive the separating force from the separation mechanism of the imaging device; In the installation direction X, when the sliding block 71 receives an external force, the sliding block 71 can overcome the elastic force of the elastic sponge 72 to move toward the second mounting portion 242 and retract into the processing box 100 relative to the sliding groove 311.
  • the separating force receiving mechanism will collide with the parts arranged inside the imaging device, such as the guide member arranged inside the imaging device, the spacer part of the separating mechanism, etc.
  • the force received by the separation force receiving mechanism and the imaging device may be a force in the opposite direction to the installation direction of the process cartridge, or a component force in the opposite direction to the installation direction of the process cartridge;
  • the slider 71 protrudes to the sliding groove 311 along the installation direction X of the process cartridge 100 under the elastic force of the elastic sponge 72.
  • the outside of the process box 100 where the first rib 712 and the third rib 714 are both located at the first mounting portion 3112 of the chute 311, the first rib 712 is located outside the process box 100, and the third rib 714 is located inside the process box 100 .
  • the force receiving side 717 of the slider 71 is in the mounting direction of the process cartridge 100.
  • the force receiving side 717 of the slider 71 is retracted toward the inside of the process cartridge 100 against the elastic force of the elastic sponge 72.
  • the process cartridge 100 continues to move and the force receiving side 717 of the slider 71 retracts into the process cartridge 100, the separating member no longer presses the slider 71, and the slider 71 rebounds to initial position.
  • the position where the slider 71 is located at this time is an interval position.
  • the spacing member F of the separating mechanism moves in the opposite direction to the Y direction, the separating force received by the separating force receiving mechanism disappears, the second unit 2 and the first unit 1 return to the initial state, and the developing roller 22 contacts the photosensitive drum 12.
  • the force receiving side 717 of the slider 71 is retracted toward the inside of the process cartridge 100 with respect to the sliding groove 311, and the slider 71 is in the installation direction of the process cartridge 100.
  • the slider 71 rebounds to the initial position under the action of the elastic restoring force of the elastic sponge 72.
  • the slider 71 is under the action of the separating force of the spacer F, and the second unit 2 is opposed to the first unit 2 through the cooperation between the force transmission portion 71111 and the abutment portion 241
  • the unit 1 performs rotational movement and separates the developing roller 22 and the photosensitive drum 12.
  • the structure of the process cartridge 200 of Embodiment 2 is basically the same as that of the process cartridge 100 of Embodiment 1, except that the elastic member of the separating force receiving mechanism 207 is a torsion spring 2072, and the second mounting part is a torsion spring 2072.
  • the mounting protrusion 20242 is located on the side of the gear cover 2024 close to the first end cover.
  • the torsion spring 2072 has a connecting portion 20721 and two free ends.
  • the connecting portion 20721 is mounted on the mounting protrusion 20242, and one free end is pressed against On a hook portion 20241 on the gear cover 2024, the other end is pressed against the slider 2071, and the torsion spring 2072 has an elastic force on the slider 2071.
  • the structure of the process cartridge 300 of Embodiment 3 is basically the same as that of the process cartridge 100 of Embodiment 1, except that the structure of the separating force receiving mechanism 307 is different.
  • the slider 3071 of Embodiment 3 is integrally formed with the elastic member.
  • the elastic member is an elastic arm 3072 on the slider 3071, the elastic arm 3072 is made of elastic material, and a free end of the elastic arm 3072 abuts the second mounting portion 30242 on the gear cover 3024.
  • the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of implementation of the present invention. According to the shape, structure and principle of the present invention, there are many changes.
  • the elastic member may not be provided on the gear cover, but on the bearing of the process box; the abutting part is not provided on the gear cover, but is provided On the bearing; and so on. Therefore, any changes and modifications made without departing from the spirit and scope of the present invention should be covered within the scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrophotography Configuration And Component (AREA)

Abstract

一种处理盒（100），可拆卸地安装到设有分离机构的成像设备中；处理盒（100）包括：以可移动方式彼此相连接的第一单元（1）和第二单元（2）；分离力接收机构（7），设在处理盒（100）的长度方向的第一端（5）；抵接部（241），位于第二单元（2）；滑槽（311），位于处理盒（100）的第一端（5）；分离力接收机构（7）包括：分离力接收构件，可移动地装设在滑槽（311）上，包括力接收部（7121）、力传递部（71111）和限制部；弹性构件，对分离力接收构件具有弹性力；在成像设备的力的作用下分离力接收构件至少有一部分可相对滑槽（311）向处理盒（100）内部缩进；具有结构的处理盒（100），可缓冲分离力接收机构（7）与成像设备分离机构之间的碰撞，避免分离力接收构件因强烈碰撞而受到损坏并能在不形成图像时，实现显影辊（22）与感光鼓（12）分离。

Description

处理盒 【技术领域】
本发明涉及一种用于成像设备的处理盒，特别是带有分离力接收机构的处理盒。
【背景技术】
如在激光打印机、复印机、传真机等通过电子照相成像的成像设备中，通常有一个处理盒，该处理盒能从成像设备中拆卸出来。现有的处理盒主要包括：将感光鼓单元和显影单元集成在一起的一体式处理盒，以及仅包括感光鼓单元或显影单元的分体式处理盒。
在一体式处理盒中，感光鼓单元和显影单元通常通过可旋转移动的方式彼此连接在一起。在成像操作期间，显影辊保持朝向感光鼓挤压。在成像设备采用将显影辊放置成与感光鼓接触以使感光鼓上的潜像显影的显影方法的情况下，显影辊保持压在感光鼓的外周表面上。但在非成像操作期间，如果显影辊与感光鼓表面保持长期接触会带来许多不利的后果，例如：如果使用具有弹性层的显影辊，显影辊的弹性层与感光鼓的外表面保持接触可能会使显影辊的弹性层发生永久变形，在长时间使用后可能会使感光鼓上的潜像显影不均匀；如果在不形成图像时显影辊与感光鼓仍保持接触,那么无论显影辊是否具有弹性层,显影辊都可能会使感光鼓表面附上多余的显影剂；此外，当显影辊不用于显影时，感光鼓和显影辊仍彼此接触地旋转摩擦,有可能会导致感光鼓、显影辊和显影剂过早地退化。
为防止上述问题，公开号为CN108398871A的中国专利文献中公布了一种处理盒，处理盒内设有与成像设备分离机构相配合的分离力接收机构以及一设置在轴承上的抵接部，分离力接收机构接收来自成像设备分离机构的间隔部件的力并与设置在处理盒轴承上的抵接部相互配合，在不形成图像时，分离机构的间隔部件向处理盒的分离力接收机构施加分离力，通过分离力接收机构向处理盒的轴承上的抵接部施加力以使感光鼓单元和显影单元间发生相对移动，进而使显影辊和感光鼓相分离。但由于该分离力接收机构在处理盒的安装方向上位于处理盒的前侧且从处理盒的壳体外部突出，在处理盒装入成像设备的过程中，该分离力接收机构会与设置在成像设备内部的部件发生 碰撞，此类成像设备内部的部件诸如成像设备内部的引导构件、分离机构的间隔部件等等，从而使得分离力接收构件受到损坏而影响处理盒的使用寿命。
【发明内容】
本发明的主要目的是提供一种在处理盒装入成像设备过程中有效避免分离力接收构件因与成像设备碰撞而损坏的处理盒。
为解决上述技术问题，本发明提供的技术方案是：处理盒，可拆卸地安装到成像设备，所述成像设备内设有分离机构；所述处理盒包括：以可移动方式彼此相连接的第一单元和第二单元，所述第一单元包括第一单元框架和感光鼓，所述第二单元包括第二单元框架和显影辊；分离力接收机构，设在所述处理盒的长度方向的第一端；抵接部，位于所述第二单元；滑槽，位于所述处理盒的所述第一端；所述分离力接收机构包括：分离力接收构件，可移动地装设在所述滑槽上，包括力接收部、力传递部和限制部，所述限制部限制所述分离力接收构件沿所述处理盒的安装方向脱离所述滑槽；弹性构件，对所述分离力接收构件具有弹性力；在所述成像设备的力的作用下所述分离力接收构件至少有一部分可相对所述滑槽向所述处理盒内部缩进。
具有上述结构的处理盒，在处理盒装入成像设备的过程中，当分离力接收机构与成像设备发生碰撞时，由于分离力接收机构设置有弹性件，使得分离力接收构件可相对滑槽向处理盒内部缩进，对与成像设备的碰撞具有缓冲作用，避免分离力接收构件因强烈碰撞而受到损坏进而影响处理盒的使用寿命，同时离力接收构件能够在滑槽上移动，与抵接部相互配合，使显影辊和感光鼓有效分离。
进一步地，所述第二单元还包括齿轮护盖，所述抵接部设在所述齿轮护盖上。
进一步地，所述滑槽具有容纳部和第一安装部，对应的所述分离力接收构件为滑块。
进一步地，所述滑块包括基板、第一筋板、第二筋板、第三筋板和第四筋板；在所述处理盒的安装方向上，所述第一筋板和所述第三筋板之间、所述第二筋板和所述第四筋板之间形成与所述滑槽配合的卡槽；所述力传递部设在所述基板上；所述力接收部设在所述第一筋板上，所述限制部设在所述第三筋板上。
上述处理盒，滑块与处理盒上的滑槽相互配合，使得滑块既能够在滑槽上滑动又能够在与成像设备发生碰撞时向处理盒内部缩进，缓冲与与分离机构的碰撞，从而避免分离力接收构件因强烈碰撞而受到损坏进而影响处理盒的使用寿命。
进一步地，在所述处理盒的安装方向上，所述卡槽的长度大于所述滑槽的深度，使得所述滑块可在所述处理盒的安装方向上移动。
具有上述结构的处理盒，滑块可在处理盒的安装方向上移动，其结构简单，生产成本低。
进一步地，在所述处理盒的长度方向上，所述第三筋板的长度大于所述第一安装部的长度。
上述处理盒，在处理盒的长度方向上，第三筋板的长度大于第一安装部的长度，能够限制滑块沿处理盒的安装方向脱离滑槽，其结构简单，生产成本低。
进一步地，所述齿轮护盖设有第二安装部，用于安装所述弹性构件。
进一步地，在所述处理盒的安装方向上，所述第二安装部为设在所述齿轮护盖前侧的所述齿轮护盖表面。
具有上述结构的处理盒，弹性构件可稳定安装在处理盒上，其结构简单，生产成本低。
进一步地，所述弹性构件为压缩弹簧或弹性海绵。
上述处理盒，使用压缩弹簧或弹性海绵作为弹性构件，其弹性缓冲效果好，且结构简单，生产成本低，并且与滑块的配合效果好。
进一步地，所述第二安装部为设在所述齿轮护盖上的安装凸起。
具有上述结构的处理盒，弹性构件可稳定安装在处理盒上，其结构简单，生产成本低。
进一步地，所述弹性构件为扭簧。
上述处理盒，使用扭簧作为弹性构件，其弹性缓冲效果好，且结构简单，生产成本低，并且与滑块的配合效果好。
进一步地，所述滑块与所述弹性构件一体成型，所述弹性构件为所述滑 块的弹性臂。
上述处理盒，滑块与所述弹性构件一体成型，其结构简单，生产成本低。
进一步地，所述分离力接收构件可在接触位置和间隔位置之间移动；在所述接触位置所述显影辊与所述感光鼓相互接触；在所述间隔位置，所述显影辊与所述感光鼓彼此分离。
具有上述结构的处理盒，在成像设备的分离机构的作用下，分离力接收构件可在接触位置和间隔位置之间移动，分离力接收构件将分离力传递至抵接部，使第一单元和第二单元发生相对移动，并使显影辊和感光鼓有效分离，从而保护显影辊，提高处理盒的使用寿命。
【附图说明】
图1是实施例1处理盒的立体图；
图2是图1中A局部放大图；
图3是实施例1处理盒的局部结构示意图；
图4是实施例1处理盒的局部爆炸图；
图5是图4中B局部放大图；
图6是图4中C局部放大图；
图7是实施例1滑块在处理盒的安装方向上未受到成像设备的分离机构的抵压力时处理盒的局部结构示意图；
图8是实施例1滑块在处理盒的安装方向上受到成像设备的分离机构的抵压力时处理盒的局部结构示意图；
图9是实施例1处理盒的显影辊与感光鼓处于接触状态时滑块与成像设备的分离机构位置关系示意图；
图10是实施例1处理盒的显影辊与感光鼓处于间隔状态时滑块与成像设备的分离机构位置关系示意图；
图11是实施例2处理盒的局部结构示意图；
图12是实施例3处理盒的局部结构示意图。
以下结合附图对本发明的具体实施方式作进一步详细地说明。
【具体实施方式】
实施例1
如图1至图3、图9、图10所示，处理盒100包括第一单元1、第二单元2、第一端盖3和第二端盖4，在本实施例中，第一单元1为感光鼓单元，也可称为清洁单元，第二单元2为显影单元。第一单元1包括第一单元框架11、感光鼓12、充电辊(未示出)和废粉仓(未示出)等。第二单元2包括第二单元框架21、显影辊22、送粉辊(未示出)、层厚度调整装置(未示出)和粉仓23等，粉仓23内可以容纳显影剂，粉仓23具有靠近第一端盖3一侧的粉仓壁(未示出)。其中，第一单元1和第二单元2以可旋转移动的方式连接在一起。当处理盒100处于没有受到分离力作用的初始状态时，感光鼓12与显影辊22处于相互接触状态。当处理盒100受到分离力的作用时，第一单元1和第二单元2可相对旋转移动，使感光鼓12与显影辊22分离。当外力消失时，在处理盒100内的弹性部件101的作用下，第一单元1和第二单元2再次相对旋转移动，使处理盒100恢复到初始状态，感光鼓12和显影辊22相接触。也即，通过第二单元2与第一单元1间的旋转移动，显影辊22可在与感光鼓12相接触位置和与感光鼓12相间隔位置之间移动。第一端盖3、第二端盖4与第一单元框架12可分开设置也可一体成型，在本实施例中，第一端盖3与第二端盖4均与第一单元框架11一体成型，第一端盖3位于处理盒100的第一端5，第二端盖4位于处理盒100的长度方向的第二端6，第一端5和第二端6在处理盒100的长度方向上彼此相对。在本实施例中，处理盒100的长度方向与显影辊22的轴线方向平行。结合参考图4、图6，在第一端盖3上设有一延伸部31，延伸部31沿处理盒100的长度方向向靠近第二端盖6的方向延伸，在延伸部31上设有一滑槽311，滑槽311具有一容纳部3111和一第一安装部3112；沿处理盒100的安装方向X的反方向观察，第一安装部3112的轮廓基本呈长方形，第一安装部3112在处理盒100的长度方向上的长度为a。
如图2至图5所示，第一单元1还包括感光鼓驱动力联接件13，感光鼓驱动力联接件13位于处理盒100的第一端5，一端和感光鼓12相连接，另一端从第一端盖3的第一通孔32伸出，可与成像设备(未示出)主机内的驱动部件相配合，从驱动部件接收驱动力，进而传递给感光鼓12、充电辊(未示出)，以驱动感光鼓12、充电辊(未示出)等旋转部件旋转。第二单元2 还包括齿轮护盖24、显影辊驱动力联接件25，本实施例中齿轮护盖24、显影辊驱动力联接件25均位于处理盒100的第一端5。齿轮护盖24位于第一端盖3内侧，与粉仓壁(未示出)固定连接，并盖住显影辊齿轮(未示出)和送粉辊齿轮等，在齿轮护盖24上设有抵接部241和第二安装部242。在处理盒100的安装方向X上，本实施例的第二安装部242为设置在齿轮护盖24前侧的齿轮护盖表面，抵接部241亦位于齿轮护盖24前侧并与第二安装部242大致垂直。显影辊驱动力联接件25的一端和显影辊齿轮、送粉辊齿轮(未示出)连接，另一端从第一端盖3的第二通孔33伸出，可与成像设备(未示出)主机内的驱动部件相配合，从驱动部件接收驱动力，进而传递给显影辊22、送粉辊(未示出)，以驱动显影辊22、送粉辊(未示出)等旋转部件旋转。
如图3至图6所示，处理盒100还包括分离力接收机构7，分离力接收机构7包括分离力接收构件和弹性构件。本实施例中的分离力接收构件为一滑块71，滑块71装设在第一端盖延伸部31的滑槽311上，与延伸部31上的滑槽311相互配合。滑块71基本包括一体成型的基板711和第一筋板712、第二筋板713、第三筋板714和第四筋板715，基板711与第一筋板712、第二筋板713、第三筋板714、第四筋板715均大致垂直；其中基板711大致呈“L型”且基板711具有一力传递端7111。在处理盒100的安装方向X上，第一筋板712和第二筋板713相对于第三筋板714和第四筋板715位于前侧；在处理盒100的长度方向上，第一筋板712具有长度b，并且第一筋板712长度b小于第一安装部的长度a，以允许第一筋板712通过第一安装部3112；在所述处理盒100的长度方向上，第三筋板714的具有长度c，并且该长度c大于第一安装部的长度a，以限制滑块71沿处理盒100的安装方向X脱离滑槽311。在处理盒100的安装方向X上，第一筋板712、第二筋板713、第三筋板714和第四筋板715均具有前后两个侧面，其中在处理盒100安装方向X的前方为前侧面，相反一侧为后侧面，第一筋板后侧面(未示出)与第三筋板前侧面7141之间、第二筋板后侧面(未示出)和所述第四筋板前侧面7151之间分别形成与滑槽311相配合的卡槽716；在处理盒100的安装方向X上，卡槽716具有长度,该长度为第二筋板后侧面(未示出)和所述第四筋板前侧面7151之间距离，对应的在处理盒100的安装方向上滑槽311具有深度，卡槽716长度大于滑槽311的深度，以允许滑块71可在处理盒100的安 装方向X上移动。滑块71具有力接收部7121、力传递部71111和限制部，其中力接收部7121设在第一筋板712上，用于接收来自成像设备分离机构的分离力；力传递部71111位于基板711的力传递端7111上且面对设置在齿轮护盖24上的抵接部241，用于向第二单元2传递分离力，使得第二单元2相对第一单元1旋转移动；限制部设在第三筋板前侧面7141上，用于限制滑块71沿处理盒100的安装方向X脱离滑槽311。结合参考图5、图7、图8，滑块71具有相对滑槽311的滑动方向Y，滑动方向Y优选与处理盒100的安装方向X垂直；在滑块71相对滑槽311滑动的方向Y上，滑块71可分为力接收侧717和力传递侧718，具有力接收部7121的一侧为力接收侧717，具有力传递部71111的一侧为力传递侧718。
弹性构件可以为压缩弹簧、弹性海绵。在本实施例中，弹性构件为呈长方体状的弹性海绵72，弹性海绵72在处理盒100的安装方向X上具有第一端面(未示出)和第二端面722，第一端面(未示出)与设置在齿轮护盖24上的第二安装部242相抵接，第二端面722与滑块71相抵接；在处理盒100的长度方向上，弹性海绵72位于粉仓壁(未示出)和第一端盖3之间，使得弹性海绵72稳定地装设在第二安装部242上而不至于脱落；在处理盒100的安装方向X方向上，滑块71位于处理盒100的前侧。弹性海绵72对滑块71具有弹性力，使得滑块沿处理盒100的安装方向X从滑槽311突出到处理盒100的外部，可接收来自成像设备分离机构的分离力；在处理盒100的安装方向X上，当滑块71受到外力时，滑块71可克服弹性海绵72的弹力向靠近第二安装部242的方向移动，相对于滑槽311向处理盒100内部缩进。
处理盒在装入成像设备的过程中，分离力接收机构会与设置在成像设备内部的零部件发生碰撞，此类零部件诸如设置在成像设备内部的引导构件，分离机构的间隔部件等，处理盒在装入成像设备的过程中分离力接收机构与成像设备发生碰撞所受到的力可以是沿处理盒安装方向的反方向的力、也可以是沿处理盒安装方向的反方向的分力；接下来以处理盒在装入成像设备过程中分离力接收构件与分离机构的间隔部件发生碰撞的情况下，详细介绍处理盒的分离力接收机构的运动过程。
如图3至图8所示，当处理盒100在装入成像设备(未示出)前，滑块71在弹性海绵72的弹力作用下沿处理盒100的安装方向X相对滑槽311突出到处理盒100外部，其中第一筋板712和第三筋板714均位于滑槽311的 第一安装部3112，第一筋板712位于处理盒100外部，第三筋板714位于处理盒100内部。在处理盒沿安装方向X装入成像设备的过程中，处理盒100的滑块71与成像设备分离机构的间隔部件F发生碰撞时，滑块71的力接收侧717在处理盒100的安装方向的反方向上受到来自间隔部件F的抵压力，滑块71的力接收侧717克服弹性海绵72的弹性力向处理盒100内部缩进。随着处理盒100继续移动和滑块71的力接收侧717向处理盒100内部缩进，分离构件不再抵压滑块71，滑块71在弹性海绵72的弹性力的作用下回弹至初始位置。
接下来将详细介绍处理盒在不形成图像时，感光鼓和显影辊的分离过程。
如图5、图7至图10所示，在处理盒100处于原始状态或在形成图像时，显影辊22与感光鼓12处于接触状态，在本实施例中，此时滑块71所处的位置为接触位置。当不形成图像时，间隔部件F沿Y方向移动，向力接收部7121施加分离力，使滑块71延Y方向移动。滑块71的力传递部71111抵压齿轮护盖24上的抵接部241，将分离力传递至齿轮护盖24，进而使第二单元2相对于第一单元1发生旋转移动，使显影辊22和感光鼓12分离，在本实施例中，此时滑块71所处的位置为间隔位置。当分离机构的间隔部件F沿与Y方向相反方向移动时，分离力接收机构所受分离力消失，第二单元2与第一单元1恢复至初始状态，显影辊22与感光鼓12接触。
本实施例中，滑块71与分离机构的间隔部件F发生碰撞时，滑块71的力接收侧717相对滑槽311向处理盒100内部缩进，在滑块71在处理盒100的安装方向X不受到间隔部件F的抵压力时，滑块71在弹性海绵72的弹性恢复力的作用下回弹至初始位置。在处理盒100装机完成后，在不形成图像时，滑块71在间隔部件F的分离力的作用下，通过力传递部71111与抵接部241之间的配合使第二单元2相对第一单元1进行旋转移动，并使显影辊22和感光鼓12分离。籍此，具有该分离力接收机构的处理盒在装入成像设备时，可有效缓冲滑块71与分离机构间隔部件F的碰撞和并减少干涉，避免滑块71因强烈碰撞而损坏，使得实施例中的处理盒100在使用寿命上更长。
实施例2
如图11所示，实施例2的处理盒200与实施例1的处理盒100的结构基本相同，区别仅在于分离力接收机构207的弹性构件为扭簧2072，第二安装 部为一设置在齿轮护盖2024上的安装凸起20242。安装凸起20242位于齿轮护盖2024的靠近第一端盖的一侧，扭簧2072具有一连接部20721以及两自由端，其中连接部20721安装在安装凸起20242上，一自由端抵压在齿轮护盖2024上的一勾部20241上，另一端抵压在滑块2071上，扭簧2072对滑块2071具有弹性力。
实施例3
如图12所示，实施例3的处理盒300与实施例1的处理盒100的结构基本相同，区别仅在于分离力接收机构307的结构不同，实施例3的滑块3071与弹性构件一体成型，弹性构件为滑块3071上的一弹性臂3072，弹性臂3072由弹性材料制成，弹性臂3072的一自由端与齿轮护盖3024上的第二安装部30242相抵接。
以上实施例只是为本发明的较佳实施例，并非以此限制本发明的实施范围。根据本发明的形状、构造及原理还有诸多变换，如，弹性构件可以不设在齿轮护盖上，而是设置在处理盒的轴承上；抵接部不设在齿轮护盖上，而设置在轴承上；诸如此类等等。因此，任何在不脱离本发明的精神和范围下所作的变换和修改，都应涵盖在本发明的范围内。

Claims (13)

  1. 处理盒，可拆卸地安装到成像设备，所述成像设备内设有分离机构；所述处理盒包括：
    以可移动方式彼此相连接的第一单元和第二单元，所述第一单元包括第一单元框架和感光鼓，所述第二单元包括第二单元框架和显影辊；
    分离力接收机构，设在所述处理盒的长度方向的第一端；
    抵接部，位于所述第二单元；
    滑槽，位于所述处理盒的所述第一端；
    其特征在于：所述分离力接收机构包括：
    分离力接收构件，可移动地装设在所述滑槽上，包括力接收部、力传递部和限制部，所述限制部限制所述分离力接收构件沿所述处理盒的安装方向脱离所述滑槽；
    弹性构件，对所述分离力接收构件具有弹性力；
    在所述成像设备的力的作用下所述分离力接收构件至少有一部分可相对所述滑槽向所述处理盒内部缩进。
  2. 根据权利要求1所述处理盒，其特征在于：
    所述第二单元还包括齿轮护盖，所述抵接部设在所述齿轮护盖上。
  3. 根据权利要求2所述处理盒，其特征在于：
    所述滑槽具有容纳部和第一安装部，对应的所述分离力接收构件为滑块。
  4. 根据权利要求3所述处理盒，其特征在于：
    所述滑块包括基板、第一筋板、第二筋板、第三筋板和第四筋板；在所述处理盒的安装方向上，所述第一筋板和所述第三筋板之间、所述第二筋板和所述第四筋板之间形成与所述滑槽配合的卡槽；所述力传递部设在所述基板上；所述力接收部设在所述第一筋板上，所述限制部设在所述第三筋板上。
  5. 根据权利要求4所述处理盒，其特征在于：
    在所述处理盒的安装方向上，所述卡槽的长度大于所述滑槽的深度，使得所述滑块可在所述处理盒的安装方向上移动。
  6. 根据权利要求5所述处理盒，其特征在于：
    在所述处理盒的长度方向上，所述第三筋板的长度大于所述第一安装部的长度。
  7. 根据权利要求6所述处理盒，其特征在于：
    所述齿轮护盖设有第二安装部，用于安装所述弹性构件。
  8. 根据权利要求7所述处理盒，其特征在于：
    在所述处理盒的安装方向上，所述第二安装部为设在所述齿轮护盖前侧的所述齿轮护盖表面。
  9. 根据权利要求1至8任一项所述处理盒，其特征在于：
    所述弹性构件为压缩弹簧或弹性海绵。
  10. 根据权利要求7所述处理盒，其特征在于：
    所述第二安装部为设在所述齿轮护盖上的安装凸起。
  11. 根据权利要求10所述处理盒，其特征在于：
    所述弹性构件为扭簧。
  12. 根据权利要求3至8任一项所述处理盒，其特征在于：
    所述滑块与所述弹性构件一体成型，所述弹性构件为所述滑块的弹性臂。
  13. 根据权利要求1至8任一项所述处理盒，其特征在于：
    所述分离力接收构件可在接触位置和间隔位置之间移动；在所述接触位置所述显影辊与所述感光鼓相互接触；在所述间隔位置，所述显影辊与所述感光鼓彼此分离。
PCT/CN2019/123060 2019-09-12 2019-12-04 处理盒 Ceased WO2021047072A1 (zh)

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