CN117518763A - Process cartridge and process cartridge mounting method - Google Patents
Process cartridge and process cartridge mounting method Download PDFInfo
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- CN117518763A CN117518763A CN202311612715.8A CN202311612715A CN117518763A CN 117518763 A CN117518763 A CN 117518763A CN 202311612715 A CN202311612715 A CN 202311612715A CN 117518763 A CN117518763 A CN 117518763A
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- process cartridge
- movable member
- movable
- cartridge according
- imaging device
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- 238000000034 method Methods 0.000 title claims abstract description 171
- 230000008569 process Effects 0.000 title claims abstract description 162
- 239000000843 powder Substances 0.000 claims abstract description 52
- 238000003384 imaging method Methods 0.000 claims abstract description 48
- 239000002699 waste material Substances 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
- G03G21/1814—Details of parts of process cartridge, e.g. for charging, transfer, cleaning, developing
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- 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
- G03G21/10—Collecting or recycling waste developer
- G03G21/12—Toner waste containers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1839—Means for handling the process cartridge in the apparatus body
- G03G21/1842—Means for handling the process cartridge in the apparatus body for guiding and mounting the process cartridge, positioning, alignment, locks
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Sustainable Development (AREA)
- Electrophotography Configuration And Component (AREA)
- Photographic Developing Apparatuses (AREA)
Abstract
The application provides a processing box and an installation method of the processing box, wherein the processing box comprises a powder bin part and a waste powder bin part, the processing box is detachably installed in an electronic imaging device, a bulge which can stretch in the vertical direction is arranged in the electronic imaging device, the processing box further comprises a movable part, the movable part is arranged below the powder bin part, the processing box is further provided with a containing bin, the containing bin is provided with an anti-falling part, the movable part is provided with a resisting part, the movable part can move relative to the containing bin, and the resisting part can be abutted with the anti-falling part to prevent the movable part from falling from the containing bin; the process cartridge is further provided with an elastic member which applies a force directed to the outside of the process cartridge to the movable member to return the movable member. The processing box provided by the application replaces the fixed part by arranging the movable part, and in the process of mounting the processing box, the movable part can move relative to the bulge, so that the bulge inside the electronic imaging device can not retract downwards in the vertical direction due to the mounting of the processing box.
Description
The present application is a divisional application of an invention patent application having a filing date of 2020, 03, 19, a filing number of 202010197434.0 and a name of "process cartridge and method of mounting a process cartridge".
Technical Field
The present disclosure relates to the field of electronic imaging technologies, and in particular, to a process cartridge and a method for mounting the process cartridge.
Background
The process cartridge is a detachable part widely used in an electronic image forming apparatus. In the prior art, a fixing member is provided at the bottom of the process cartridge, and the fixing member is continuously collided with a protrusion inside the electronic imaging device in the process of mounting the process cartridge onto the electronic imaging device. Although the protrusions inside the electronic imaging device are connected to the elastic member, the protrusions can be made to extend and retract in the vertical direction. However, such a design is greatly worn out for the elastic member of the boss or the boss bottom as the number of times of loading and unloading the process cartridge to and from the electronic image forming apparatus increases. It is therefore necessary to design a member such that the projection inside the electronic imaging device is not retracted in the vertical direction (i.e., retracted downward in the vertical direction) due to the mounting of the process cartridge.
Disclosure of Invention
The present application provides a process cartridge and a process cartridge mounting method such that a projection inside an electronic image forming apparatus is not retracted in a vertical direction due to the mounting of the process cartridge.
In a first aspect, the present application provides a process cartridge including a powder bin portion and a waste powder bin portion, the process cartridge being detachably mounted in an electronic image forming apparatus, a projection being provided in the electronic image forming apparatus, the projection being retractable in a vertical direction, the process cartridge further including a movable member provided below the powder bin portion, the process cartridge further being provided with a housing bin provided with an anti-slip portion, the movable member being provided with a retaining portion movable relative to the housing bin, the retaining portion being capable of abutting with the anti-slip portion to prevent the movable member from being disengaged from the housing bin; the process cartridge is further provided with an elastic member which applies a force directed to the outside of the process cartridge to the movable member to return the movable member.
Optionally, a portion of the movable member is located in the receiving bay and the movable member is rotatably movable in the receiving bay.
Optionally, the movable member has a first position and a second position, and the movable member is located closer to the lower side of the process cartridge when in the second position than when in the first position.
Optionally, the elastic member is disposed in the accommodating chamber, and the movable member moves from the first position to the second position by means of elastic force of the elastic member.
Optionally, the process cartridge is further provided with a rotating portion to which one end of the movable member is rotatably connected.
Optionally, the other end of the movable component is abutted with the elastic component, and the elastic component applies a force to the movable component so as to enable the resisting part to be abutted with the anti-falling part.
Optionally, the movable component is provided with a groove, and one end of the elastic component is abutted in the groove.
Optionally, the movable member has a urging surface that abuts the projection of the electronic imaging device to receive urging force from the projection when the movable member is in the second position to cause relative movement of the powder bin portion and the waste powder bin portion.
Optionally, the urging surface is perpendicular to the horizontal plane or has a roughened surface.
Optionally, the pushing surface is provided with a clamping part, and the clamping part is of a groove structure or a protruding structure.
Alternatively, the movable member may be movable relative to the projection during mounting of the process cartridge, and the movable member may not press the projection downward to retract downward.
Alternatively, the movable member receives a force from the electronic imaging device during the process cartridge mounting, causing the movable member to retract into the process cartridge to the first position.
Alternatively, the movable member can be moved from the first position to the second position when the process cartridge is mounted.
Alternatively, the movable member is capable of receiving a urging force from the electronic imaging device to cause relative movement of the waste bin portion and the hopper portion and separation of the roller drum when the movable member is in the second position.
Alternatively, when the process cartridge is mounted, the movable member is moved from the first position to the second position downward of the process cartridge by at least the elastic force of the elastic member.
Optionally, the movable part has a thrust surface capable of receiving a convex thrust force from the electronic imaging device, the thrust surface being perpendicular to the horizontal plane or having a roughened surface or a grooved structure.
In a second aspect, the present application provides a mounting method of a process cartridge for mounting into an electronic imaging device, in which a projection that is retractable in a vertical direction is provided, the mounting method comprising: mounting the process cartridge in the electronic imaging device in a mounting direction; the movable member of the process cartridge moves relative to the projection and is retracted into the process cartridge.
Alternatively, the movable member has a first position and a second position, and the movable member receives a force from the electronic imaging device during the process of mounting the process cartridge, so that the movable member is retracted into the process cartridge to the first position. The installation method further comprises the following steps: when the process cartridge is mounted, the movable member is movable from the first position to the second position, and when the movable member is positioned at the second position, the movable member is capable of receiving a urging force from the electronic imaging device to cause the powder bin portion of the process cartridge and the waste powder bin portion of the process cartridge to move relatively.
The beneficial effects are that: the processing box provided by the application replaces the fixed part by arranging the movable part, and the movable part can move relative to the bulge in the process of mounting the processing box, so that the bulge inside the electronic imaging device can not retract downwards in the vertical direction due to the mounting of the processing box.
Drawings
Fig. 1 is a structural view of the upper side of the process cartridge when mounted inside an electronic image forming apparatus;
fig. 2 is a view showing the structure of the lower side of the process cartridge when it is mounted inside the electronic image forming apparatus;
FIG. 3 is a cross-sectional view of the process cartridge taken along a plane perpendicular to the longitudinal direction of the process cartridge;
FIGS. 4 and 5 are schematic cross-sectional views showing two different positions of the movable member on the process cartridge;
fig. 4a and 5a are enlarged views of the movable part in the corresponding state of fig. 4 and 5;
FIG. 6 is a cross-sectional view of an optimized configuration of the movable member taken along a plane perpendicular to the length of the process cartridge;
fig. 7 to 10 are schematic views illustrating the operation of the process cartridge in different states according to the present embodiment;
fig. 11 is a structural view of a movable member in the second embodiment;
fig. 12 is a schematic perspective view of a process cartridge in the third embodiment;
fig. 13 is a sectional view of a process cartridge in the third embodiment;
fig. 14 is a schematic perspective view of a movable member in the third embodiment;
fig. 15 and 16 are schematic sectional views showing two different positions of the movable member on the process cartridge in the third embodiment;
fig. 15a and 16a are enlarged views of the movable part in the corresponding state of fig. 15 and 16, respectively;
fig. 17 is a partially exploded view of a process cartridge in the fourth embodiment;
fig. 18 is a schematic perspective view of an end cap of the process cartridge in the fourth embodiment;
fig. 19 is a cross-sectional view of an end cap of the process cartridge in the fourth embodiment taken along a plane perpendicular to the longitudinal direction of the process cartridge;
fig. 20 is a cross-sectional view of the process cartridge in the fifth embodiment taken along a plane perpendicular to the longitudinal direction of the process cartridge;
fig. 21 is a cross-sectional view of an optimized structure of the movable member in the fifth embodiment taken along a plane perpendicular to the longitudinal direction of the process cartridge.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
In the description of the present application, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly specified or limited otherwise; the term "plurality" means two or more, unless specified or indicated otherwise; the terms "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In the description of the present application, it should be understood that the terms "upper," "lower," and the like in the embodiments of the present application are described in terms of angles shown in the accompanying drawings, and should not be construed as limiting the embodiments of the present application. In the context of this document, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on the other element or be indirectly on the other element through intervening elements.
Example 1
The present embodiment discloses a process cartridge in which a movable member does not press a projection of an electronic image forming apparatus and does not sag the projection during mounting. In the application, the upper part, the lower part, the left side and the right side of the processing box are all directions when the processing box is installed inside the electronic imaging device, and the front part and the rear part refer to the front part and the rear part of the processing box in the installation direction of the electronic imaging device. During the process cartridge installation, for example, it may be provided that the powder bin portion is forward and the waste powder bin portion is rearward.
Fig. 1 is a structural view of the upper side of the process cartridge when mounted inside the electronic image forming apparatus. As shown in fig. 1, the process cartridge includes a waste bin portion 100 and a bin portion 200. The waste bin portion 100 includes a waste bin upper face 110 above the process cartridge; likewise, the upper portion of the powder bin portion 200 includes a powder bin upper surface 210.
Fig. 2 is a view showing a structure of the underside of the process cartridge when it is mounted inside the electronic image forming apparatus. As shown in fig. 2, the lower part of the waste bin part 100 includes a photosensitive drum 120; the underside of the powder bin portion 200 includes a powder bin underside 220. The cartridge also includes a movable member 230 movably mounted on the underside 220 of the powder hopper.
Fig. 3 is a cross-sectional view of the process cartridge taken along a plane perpendicular to the longitudinal direction of the process cartridge. As shown in fig. 3, the movable member 230 is movably coupled to the powder bin portion 200. In some embodiments, the movable member 230 is positioned further below the bottom surface 220 than the process cartridge, i.e., at least a portion of the movable member 230 protrudes relative to the bottom surface 220, such that when the process cartridge is mounted in the electronic imaging device in the direction of arrow E, the movable member 230 will first touch or abut a protrusion mounted inside the electronic imaging device. By providing the movable member 230 instead of the fixed member in the background art, the movable member 230 can be moved relative to the protrusions during the process of mounting the process cartridge, so that the protrusions inside the electronic imaging device can no longer be retracted downward in the vertical direction due to the mounting of the process cartridge. In the present embodiment, the movable member 230 is moved by the force of the protrusion. Of course, the movable member 230 may also be moved by the force of other parts inside the electronic imaging device.
Fig. 4 and 5 are schematic cross-sectional views showing a state in which the movable member is located at two different positions on the process cartridge, and fig. 4a and 5a are enlarged views of the movable member 230 in the corresponding state of fig. 4 and 5. The mating relationship between the powder bin portion 200 and the movable member 230 is a clearance fit, so that the movable member 230 is relatively free to move relative to the powder bin portion 200. To prevent the movable member 230 from escaping from the powder hopper portion 200, as shown in fig. 4 and 4a, the interior of the powder hopper portion 200 further includes a receiving hopper 240, and a portion of the movable member 230 is positioned in the receiving hopper 240. In the present embodiment, the movable member 230 includes a catching portion 233, and the receiving bin 240 includes a release preventing portion 241, so that the movable member 230 is not released from the powder bin portion 200 by interference between the catching portion 233 and the release preventing portion 241.
The movable member 230 has an abutment surface 231 that can abut against the electrophotographic image forming apparatus. When the process cartridge is installed in the electronic imaging device, a linkage mechanism is triggered when some mechanisms in the electronic imaging device (such as a door cover of the electronic imaging device is closed or opened, which is not shown in the above mechanism diagram) will cause the process cartridge to descend along the arrow F, so that the abutment surface 231 abuts against a protrusion of the electronic imaging device, and at this time, the movable member 230 will retract into the interior of the process cartridge along the arrow P, i.e. the state shown in fig. 4 and 4a, which is referred to as the first position. In addition, since the movable member 230 is in clearance fit with the powder bin portion 200, the resistance generated by the relative movement is small, so that the movable member 230 does not press the protrusion downward at this time. When the process cartridge is mounted in place, the internal movement of the electronic image forming apparatus moves the projection in the direction opposite to the process cartridge mounting direction, and the projection moves away from the position abutting the abutment surface 231 and to the side close to the urging surface 232. At this time, since the movable member 230 is in clearance fit with the hopper portion 200 and the protrusion no longer abuts the abutment surface 231, the movable member 230 is projected downward with respect to the process cartridge by gravity as indicated by arrow Q. At this time (after the movable member 230 is extended) the urging surface 232 may be in contact with the projection, and the state at this time (fig. 5 and 5 a) is referred to as the second position. Of course, when the second position is located, the abutting portion 233 of the movable member 230 does not contact the detachment preventing portion 241, but the second position is located below the process cartridge, and the projection of at least a portion of the pushing surface 232 in front of or behind overlaps with the projection of the protrusion in front of or behind (the projection overlapping may be regarded as if there is an overlap in front of or behind) as long as the second position is located below the process cartridge, because other members in the electrophotographic apparatus abut against the movable member 230, or other members in the process cartridge exert an action on the movable member 230.
When the movable member is in the second position and the electrophotographic apparatus moves the protrusions in the process cartridge mounting direction (arrow E direction), the protrusions can exert a force on the urging surface 232 and urge the hopper portion 200 to relatively move with respect to the waste hopper portion 100 and separate the rollers.
Fig. 6 is a cross-sectional view of an optimized structure of the movable member taken along a plane perpendicular to the length direction of the process cartridge. In fig. 6, the urging surface is a new urging surface 234 in the dotted line portion in place of the previous urging surface 232. The new urging surface 234 is kept perpendicular to the horizontal plane when the process cartridge is mounted in the electronic imaging device, so as to be adapted to a case of contact of the shaped projections. Through the arrangement, the acting force between the special-shaped protrusions and the pushing surface is the same as that of other protrusions, and the pushing force is directed to be parallel to the horizontal direction, so that the roller-drum separation is performed more stably.
Example two
The present embodiment discloses a process cartridge in which a movable member does not press a projection of an electrophotographic image forming apparatus and does not retract the projection downward during mounting. In the application, the upper part, the lower part, the left side and the right side of the processing box are all directions when the processing box is installed inside the electronic imaging device, and the front part and the rear part refer to the front part and the rear part of the processing box in the installation direction of the electronic imaging device. During the process cartridge installation, for example, it may be provided that the powder bin portion is forward and the waste powder bin portion is rearward.
Fig. 7 to 10 are schematic views of the working principle of the process cartridge in different states in the present embodiment in fig. 7 to 10, and the waste bin part is omitted not shown. The powder cartridge part 1200 includes a movable part 1230, a first pushing part having a tendency to push the movable part 1230 downward such that the movable part 1230 protrudes downward in a vertical direction, and a second pushing part, for example, the first pushing part may include a first elastic member 1210 and a push plate 1240 connected to the first elastic member 1210; the second pushing member has a tendency to push or pull the movable member 1230 away from the waste bin portion, for example, the second pushing member may include a second elastic member 1220, the second elastic member 1220 being coupled with the movable member 1230. That is, the first pushing member can receive the force of the movable member 1230 in the vertical direction, and the second pushing member can receive the force of the movable member 1230 in the horizontal direction. For example, when the movable member 1230 is in the first position, it can be considered that only the first pushing member receives the force of the movable member 1230 in the vertical direction, and when the movable member 1230 is in the second position, it can be considered that the first pushing member receives the force of the movable member 1230 in the vertical direction and the second pushing member receives the force of the movable member 1230 in the horizontal direction. The powder cartridge portion 1200 also includes a locking member 1250 that does not interfere with the active first pushing member and/or the second pushing member. The catch member 1250 may interact with the movable member 1230 in a particular position such that the movable member 1230 is no longer moving relative to the powder bin portion 1200. In some implementations, the movable member 1230 that is secured by the locking member 1250 in this particular position may be considered to be rigidly connected to the powder bin portion 1200 by the movable member 1230.
When the process cartridge is mounted into the electronic image forming apparatus without closing the door of the electronic image forming apparatus, the process cartridge is mounted from the right side in the drawing to the left side in the drawing in the direction of arrow E to the position shown in fig. 7, and the hopper portion 1200 is shown as the process cartridge mounted at the innermost side of the electronic image forming apparatus. When the process cartridge is mounted in the electronic image forming apparatus without the door of the electronic image forming apparatus being closed, as shown in fig. 7, the movable member 1230 is protruded with respect to the process cartridge in the vertical direction by the first pushing member and the second pushing member, and is located at a position away from the waste bin portion side.
As shown in fig. 8, when the door of the electronic imaging device is closed, the process cartridge is lowered in the vertical direction (arrow F direction) by a link mechanism (not shown) in the door, and the movable member 1230 contacts the movable lever 70 having the protrusion 71 inside the electronic imaging device, in some implementations, the movable member 1230 is caught at the recess 72 on the movable lever 70, and the movable lever 70 presses the movable member 1230 to raise the movable member 1230 a distance in the vertical direction, which is referred to as a first position, i.e., a first position, where the movable member applies a force in the vertical direction to the first pushing member. The recess 72 in this figure is only one possible location, and the recess 72 may also be located relatively to the right of the protrusion 71 in the figure. It will be appreciated that the projection 71 in this embodiment is also vertically retractable, but in this embodiment only the projection 71 and the movable lever 70 with the projection 71 are shown.
The internal movement of the electronic imaging device then moves the movable lever 70 a small distance in a direction opposite to the direction in which the process cartridge is mounted to the electronic imaging device (the direction of arrow I), as shown in fig. 9. At this time, the movable lever 70 moves the movable member 1230 in the direction of arrow I toward the waste bin (i.e., opposite to the direction in which the process cartridge is mounted to the electronic imaging device). When the movement is completed to a specific position where the locking member 1250 and the movable member 1230 are acting, the movable member 1230 is fixed and no longer moves relative to the powder bin part 1200 by the locking member 1250, and is called a second position, i.e. when in the second position, the movable part applies a force in the vertical direction to the first pushing member and a force in the horizontal direction to the second pushing member. In the present embodiment, the movable member 1230 in the first position and the second position are at the same height, but it is still understood that the movable member 1230 in the first position is retracted toward the inside of the process cartridge, and the movable member 1230 in the second position is capable of receiving the urging force provided by the electronic imaging device. Thereafter, no matter whether the movable lever 70 is moved in the direction in which the cartridge is mounted to the electronic imaging device or returned to this position, the movable member 1230 is no longer moved relative to the cartridge portion 1200. Accordingly, the toner hopper portion 1200 can be pushed to be separated from the waste toner hopper portion when the movable lever 70 is then moved in the direction in which the process cartridge is mounted to the electronic image forming apparatus (arrow I'), thereby completing the roller-drum separation.
As shown in fig. 10, when printing is not performed, the process cartridge is raised in the vertical direction (arrow F' direction) after the door of the electronic image forming apparatus is opened, and at this time, the movable lever 70 is no longer in contact with the movable member 1230, the first pushing member pushes the movable member 1230 to protrude downward in the vertical direction and the movable member 1230 is no longer located at a specific position with the locking member 1250, so that the locking member 1250 can no longer fix the movable member 1230 to the hopper portion 1200. The second movable member 1230 is then moved in a direction away from the waste bin (arrow Z direction) to return to the state when the door of the electronic imaging device is not closed in fig. 7. That is, during the process that the movable part 1230 is downwardly protruded in the vertical direction, the horizontal direction of the movable part 1230 is limited by the locker part 1250; when the movable member 1230 is fully extended, the movable member 1230 is returned to the first position by the force of the second pushing member.
In other embodiments, as shown in fig. 11, the movable member 1230 may not be used to mate with the recess 72, but a hook may be provided at the free end of the movable member 1230. In some implementations, the hooking jaw includes a jaw tooth 1231 and a pressing portion 1232, and as the pressing portion 1232 is pressed against the movable lever 70, the two jaw teeth 1231 move toward each other, thereby gripping the movable lever 70.
Of course, the movable member 1230 extending in the vertical direction in this embodiment may also be fixed to the movable rod 70 after extending in a direction forming an acute angle with the vertical direction, which is not described herein.
Example III
On the basis of the first embodiment, the present embodiment provides another structure and arrangement of the movable member. During the process cartridge mounting, the movable member does not press the projection of the electronic image forming apparatus and does not retract the projection downward. In this embodiment, the upper, lower, left and right sides of the process cartridge are the orientations of the process cartridge when mounted in the electronic imaging device, and the front and rear refer to the front and rear sides of the process cartridge in the mounting direction of the process cartridge to the electronic imaging device. During the process cartridge installation, for example, it may be provided that the powder bin portion is forward and the waste powder bin portion is rearward.
As shown in fig. 12-16a, the process cartridge 20 includes a waste bin portion 300 and a bin portion 400. The waste bin portion 300 includes a photosensitive drum 320. The lower portion of the powder bin portion 400 includes a powder bin lower surface 420. The process cartridge 20 also includes a movable member 430, the movable member 430 being movably coupled to the powder cartridge portion 400. In some implementations, the movable member 430 is positioned on the process cartridge closer to the underside of the process cartridge than the bottom surface 420, and at least a portion of the movable member 430 protrudes relative to the bottom surface 420.
The powder bin portion 400 also includes a receiving bin 440, with a portion of the movable member 430 being located in the receiving bin 440. The powder bin part 400 further includes a rotating part 450, in which the rotating part 450 has a circular arc surface of a cylindrical outer circumferential surface, and the movable part 430 includes a rotatable part 434, in which the rotatable part 434 has a circular arc surface of a cylindrical inner circumferential surface, so that the rotatable part 434 is entirely or partially enclosed on the outer surface of the rotating part 450, and the movable part 430 can be rotated around the rotating part 450, i.e., the movable part 430 can be rotatably moved in the accommodating bin 440. Further, the rotatable portion 434 and the rotating portion 450 are interchangeable in structure.
In some embodiments, in this embodiment, a part of the rotating portion 450 is connected to the powder bin portion 400, and the other part is a cylindrical surface around which the rotatable portion 434 rotates, and the rotatable portion 434 of the movable member 430 has an opening 434a for being sleeved on the cylindrical surface of the rotating portion 450 in a clamping manner to mount and position the movable member 430.
In some embodiments, the movable member 430 further includes a stopping portion 433 and the receiving bin 440 includes a release preventing portion 441 such that the movable member 430 does not release from the powder bin portion 400 by interference between the stopping portion 433 and the release preventing portion 441.
In some embodiments, the process cartridge further includes an elastic member 460 to restrict the movement of the movable member 430, in which case the elastic member 460 is a torsion spring disposed in the powder bin portion 400, and provides a pushing restriction to the movable member 430 during the movement of the movable member 430 to assist in resetting the movable member 430. In some embodiments, the positioning protrusion 470 is provided in the powder bin portion 440, the elastic member 460 is mounted on the positioning protrusion 470, and in this embodiment, the elastic member 460 is located between the frame of the powder bin portion 400 and the movable member 430, such that one end of the elastic member 460 abuts against the movable member 430 and the other end abuts against the frame of the process cartridge, and when the elastic member 460 is in a natural state, one end of the elastic member 460 may overlap only the movable member 430, and no force is applied to the movable member 430 or a force directed to the outside of the process cartridge is applied to the movable member 430. One end of the movable member 430 is sleeved on the rotating portion 450 through the rotatable portion 434, and the other end is abutted on the anti-falling portion 441 through the abutting portion 433 under the action of the gravity of the movable member or the elastic member 460. One end of the elastic member 460 in the present embodiment abuts against the groove 435 of the movable member 430, and along with the rotation of the movable member 430, the one end of the elastic member 460 and the movable member 430 can adaptively and relatively displace, and the elastic member 460 is ensured not to separate from the movable member 430 under the restriction of the two inner walls of the groove 435, so as to provide stable constraint during the movement of the movable member 430.
The movable member 430 has an abutment surface 431 that can abut against the electronic imaging device. When the process cartridge is mounted in the electronic image forming apparatus in the direction of arrow E and the process cartridge is lowered in the direction of arrow F such that the abutment surface 431 abuts against the inside of the electronic image forming apparatus, particularly against the projection inside the electronic image forming apparatus, the movable member 430 is retracted inside the process cartridge in the direction of arrow M, i.e., the state shown in fig. 15 and 15a, since the movable member 430 is in clearance fit with the hopper portion 400, the resistance generated by the relative movement is small, and the weight of the movable member 430 is small enough, or in the case where the elastic member 460 is provided, the urging force exerted on the movable member 430 by the elastic member 460 is small enough such that the movable member 430 does not press the projection downward and the projection is not retracted downward. At this time (the state in fig. 15 and 15 a) is referred to as a first position in which the movable member 430 is retracted upward into the process cartridge by rotating about the rotating portion 450, and the interference between the abutting portion 433 and the coming-off preventing portion 441 is released. At this time, the elastic member 460 receives the urging force of the movable member 430, and is in a deformed state, and the reaction force (elastic restoring force) applied to the movable member 430 is a urging force for restoring the movable member 430.
When the process cartridge is mounted in place, the internal movement of the electronic image forming apparatus moves the projection in the direction opposite to the direction in which the process cartridge is mounted, and the projection is moved away from the position abutting against the abutment surface 431 and to the side close to the urging surface 432. At this time, since the movable part 430 is in clearance fit with the powder bin part 400 and the protrusion no longer abuts against the abutting surface 431, the movable part 430 is downwardly protruded relative to the process cartridge by gravity and elastic restoring force of the elastic member 460 to realize a restoring action. At this point (after extension of the movable part 430) the urging surface 432 may be in contact with the protrusion. The state in this time (fig. 16 and 16 a) is referred to as the second position. Of course, in the second position, the abutting portion 433 of the movable member 430 is not in contact with the drop-preventing portion 441, and thus, in the second position, the force applied to the movable member 430 by the elastic member 460 is reduced or until the elastic member 460 returns to the natural state, possibly due to the abutting of other members of the electrophotographic apparatus against the movable member 430, or other members of the process cartridge interior, acting on the movable member 430. The movable part 430 is located closer to the lower portion of the process cartridge than the first position, and at least a portion of the projection of the urging surface 432 in front of or behind coincides with the projection of the projection in front of or behind (the presence of a coincidence in one of the front or rear sides may be regarded as a projection coincidence).
When the movable member is in the second position and the electrophotographic apparatus moves the protrusions in the process cartridge mounting direction (arrow E direction), the protrusions can exert a force on the urging surface 432 and urge the hopper portion 400 to move relatively with respect to the waste hopper portion 300 and separate the rollers.
In some embodiments, a locking portion 432a may be further disposed on the urging surface 432, where the location of the locking portion 432a is capable of locking a protrusion, and the specific structure of the locking portion 432a is not limited, and the locking portion 432a may be a groove structure or a protrusion structure, or may be a rough surface with a larger friction coefficient, so as to limit the protrusion from sliding when the protrusion applies a force on the urging surface 432, so that the protrusion is not easy to separate from the urging surface 432 when the protrusion applies a force on the urging surface 432 to push the powder bin portion 400 to perform a relative motion with respect to the waste powder bin portion 300.
The present embodiment can ensure that the movable member 430 is stably operated after each installation, and provide stable reset to the movable member 430 and keep the roller-drum separation during the movement between the first position and the second position. In addition, compared with the swing phenomenon that the movable part may appear due to friction on two sides when the movable part moves in the accommodating bin in the first embodiment, the movable part moves in a rotating mode in the accommodating bin more flexibly and stably.
Example IV
As shown in fig. 17 to 19, on the basis of the third embodiment, this embodiment provides another arrangement of the movable member. The ends of the cartridge portion 400 and the waste cartridge portion 300 of the process cartridge are connected via a cover 500, wherein an end cap 480 is provided on the end of the cartridge portion 400, and the movable member 430 and the elastic member 460 in the present embodiment are provided on the end cap 480, and the cover 500 is provided outside the end cap 480.
As shown in fig. 18 and 19, the end cap 480 includes an inner wall 482 facing the inside of the process cartridge, the end cap 480 is provided with a receiving chamber 440, a rotating portion 450, and a release preventing portion 441, all of which are formed to protrude from the inner wall 482, a part of the movable member 430 is located in the receiving chamber 440, the movable member 430 is rotatably movable in the receiving chamber 440 by the engagement of the rotatable portion 434 with the rotating portion 450, and the movable member 430 is not released from the end cap 480 by the interference between the abutting portion 433 and the release preventing portion 441. The end cover 480 is further provided with a positioning protrusion 470, the elastic member 460 is mounted on the positioning protrusion 470, the first end 460a of the elastic member 460 abuts against the movable member 430, and the second end 460b abuts against the frame 481.
In some embodiments, the end cap 480 is further provided with a first end wall 442 and a second end wall 443 such that the movable member 430 is positioned between the first end wall 442 and the inner wall 482 and the second end 460b of the resilient member 460 is positioned between the second end wall 443 and the inner wall 482 to prevent the movable member 430 and the resilient member 460 from falling out of the end cap 480 during movement.
According to the present embodiment, it is conceivable that the movable member 430 may be provided not only on the end cap 480 but also on the protecting cover 500 or on the waste bin portion 300, as long as the movable member 430 is capable of transmitting the urging force provided by the illustrated electronic imaging device received by the movable member to the bin portion 400 of the process cartridge, so that the relative movement between the bin portion 400 and the waste bin portion 300 occurs.
Example five
As shown in fig. 20, this embodiment provides another arrangement of the movable member on the basis of the first embodiment. The cartridge also includes an elastic member 260 positioned between the frame of the cartridge portion 200 and the movable member 230 to provide a push-on constraint to the movable member 230 during movement of the movable member 230 to assist in resetting the movable member 230. In this embodiment, the elastic member 260 is disposed in the accommodating chamber 240, one end of the elastic member 260 abuts against the movable member 230, and the other end abuts against the frame of the process cartridge, and when the elastic member 260 is in a natural state, one end thereof may only contact the movable member 230, and no force is applied to the movable member 230 or a force directed to the outside of the process cartridge is applied to the movable member 230. In some embodiments, the elastic member 260 is a sponge, and is respectively disposed to abut against the two abutment portions 233 of the movable member 230.
When the process cartridge is mounted in the electronic image forming apparatus, when the abutment surface 231 of the movable member 230 abuts against the inside of the electronic image forming apparatus, particularly against the projection inside the electronic image forming apparatus, the movable member 230 is retracted inside the process cartridge, the resistance generated by the relative movement is small due to the clearance fit between the movable member 230 and the hopper portion 200, and the weight of the movable member 230 is small enough, and in the case where the elastic member 260 is provided, the urging force exerted on the movable member 230 by the elastic member 260 is small enough so that the movable member 230 does not press the projection downward at this time and the projection does not retract downward. The movable member 230 is now in the first position.
When the process cartridge is mounted in place, the internal movement of the electronic image forming apparatus moves the projection in the direction opposite to the process cartridge mounting direction, and the projection moves away from the position abutting the abutment surface 231 and to the side close to the urging surface 232. At this time, since the movable member 230 is in clearance fit with the powder bin portion 200 and the protrusion no longer abuts against the abutment surface 231, the movable member 230 is downwardly protruded with respect to the process cartridge by the gravity and the elastic restoring force of the elastic member 260, so as to realize the restoring action. The movable member 230 is now in the second position. In the second position, the force exerted by the spring 260 on the movable member 230 is reduced or until the spring 260 returns to the natural state.
When the movable member is in the second position and the electronic imaging device drives the protrusions to move in the mounting direction of the process cartridge, the protrusions can apply an acting force to the urging surface 232 and urge the powder hopper portion to move relatively with respect to the waste powder hopper portion and separate the roller drums.
In addition, as shown in fig. 21, an optimized structure of the elastic member 260 is provided, and the elastic member 260 may be a sponge, which is located in the accommodating chamber 240 and directly abuts against the two abutting portions 233 of the movable member 230.
The other structures are the same as those of the first embodiment, and the present embodiment can ensure that the movable member 230 is stably executed in the movement after each installation, and provide stable reset for the movable member 230 during the movement between the first position and the second position.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (16)
1. The processing box comprises a powder bin part and a waste powder bin part, wherein the processing box is detachably arranged in an electronic imaging device, a protrusion which can stretch in the vertical direction is arranged in the electronic imaging device, and the processing box further comprises a movable part which is arranged below the powder bin part;
the process cartridge is further provided with an elastic member that applies a force directed to the outside of the process cartridge to the movable member.
2. A process cartridge according to claim 1, wherein a part of said movable member is located in said housing chamber, and said movable member is rotatably movable in said housing chamber.
3. A process cartridge according to claim 1, wherein said movable member has a first position and a second position, said movable member being located closer to a lower side of said process cartridge when located at said second position than when located at said first position.
4. A process cartridge according to claim 3, wherein said elastic member is provided in said housing chamber, and said movable member is moved from said first position to said second position by means of an elastic force of said elastic member.
5. A process cartridge according to claim 1, wherein said process cartridge is further provided with a rotating portion, and one end of said movable member is rotatably connected to said rotating portion.
6. A process cartridge according to claim 5, wherein the other end of said movable member abuts against said elastic member, and said elastic member applies a force to said movable member to abut said abutting portion against said coming-off preventing portion.
7. A process cartridge according to claim 6, wherein said movable member is provided with a groove, and one end of said elastic member abuts in said groove.
8. A process cartridge according to any one of claims 1-7, wherein said movable member has a urging surface which abuts said projection of said electronic imaging device to receive urging force from said projection to cause relative movement of said hopper portion and said waste hopper portion when said movable member is in the second position.
9. A process cartridge according to claim 8, wherein said urging surface is perpendicular to a horizontal plane or has a roughened surface.
10. A process cartridge according to claim 8, wherein said urging surface is provided with a engaging portion, and said engaging portion is of a groove structure or a projection structure.
11. A process cartridge according to any one of claims 1-7, wherein said movable member is movable relative to said projection during mounting of said process cartridge, said movable member not pressing down on said projection to retract downward.
12. A process cartridge according to claim 11, wherein said movable member receives a force from said electronic image forming apparatus during installation of said process cartridge, and retracts said movable member into said process cartridge to a first position.
13. A process cartridge according to claim 12, wherein said movable member is movable from said first position to a second position when said process cartridge is mounted.
14. A process cartridge according to claim 13, wherein when said movable member is in said second position, said movable member is capable of receiving a urging force from said electronic imaging device to cause relative movement of said hopper portion and said waste hopper portion and separation of the roller drum.
15. A process cartridge according to claim 14, wherein said movable member is moved from said first position to said second position downward of said process cartridge by at least an elastic force of said elastic member when said process cartridge is mounted.
16. A process cartridge according to claim 11, wherein said movable member has a thrust surface capable of receiving a thrust force from said projection of said electronic imaging device, said thrust surface being perpendicular to a horizontal plane or having a roughened surface or a grooved structure.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920379083 | 2019-03-22 | ||
| CN2019203790838 | 2019-03-22 | ||
| CN201920396676 | 2019-03-26 | ||
| CN2019203966765 | 2019-03-26 | ||
| CN201921313025 | 2019-08-13 | ||
| CN2019213130251 | 2019-08-13 | ||
| CN202010197434.0A CN111722510A (en) | 2019-03-22 | 2020-03-19 | Process cartridge and process cartridge mounting method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010197434.0A Division CN111722510A (en) | 2019-03-22 | 2020-03-19 | Process cartridge and process cartridge mounting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117518763A true CN117518763A (en) | 2024-02-06 |
Family
ID=72564100
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020352492.1U Active CN211698602U (en) | 2019-03-22 | 2020-03-19 | Processing box |
| CN202311612715.8A Pending CN117518763A (en) | 2019-03-22 | 2020-03-19 | Process cartridge and process cartridge mounting method |
| CN202010197434.0A Pending CN111722510A (en) | 2019-03-22 | 2020-03-19 | Process cartridge and process cartridge mounting method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020352492.1U Active CN211698602U (en) | 2019-03-22 | 2020-03-19 | Processing box |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010197434.0A Pending CN111722510A (en) | 2019-03-22 | 2020-03-19 | Process cartridge and process cartridge mounting method |
Country Status (3)
| Country | Link |
|---|---|
| EP (2) | EP4258059A3 (en) |
| CN (3) | CN211698602U (en) |
| WO (1) | WO2020192552A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4258059A3 (en) * | 2019-03-22 | 2023-12-06 | Ninestar Corporation | Processing cartridge and method for mounting processing cartridge |
| US11112749B1 (en) | 2020-06-30 | 2021-09-07 | Jiangxi Yibo E-Tech Co. Ltd. | Process cartridge |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111722510A (en) | 2020-09-29 |
| EP3845969A4 (en) | 2021-12-29 |
| EP3845969B1 (en) | 2023-08-02 |
| EP3845969A1 (en) | 2021-07-07 |
| EP4258059A2 (en) | 2023-10-11 |
| EP4258059A3 (en) | 2023-12-06 |
| CN211698602U (en) | 2020-10-16 |
| WO2020192552A1 (en) | 2020-10-01 |
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