CN110764385B - Processing box - Google Patents
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- CN110764385B CN110764385B CN201910983865.7A CN201910983865A CN110764385B CN 110764385 B CN110764385 B CN 110764385B CN 201910983865 A CN201910983865 A CN 201910983865A CN 110764385 B CN110764385 B CN 110764385B
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- 238000001514 detection method Methods 0.000 claims abstract description 252
- 230000005540 biological transmission Effects 0.000 claims abstract description 80
- 238000000034 method Methods 0.000 claims abstract description 69
- 238000003756 stirring Methods 0.000 claims description 38
- 239000000843 powder Substances 0.000 claims description 16
- 238000000926 separation method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 230000008093 supporting effect Effects 0.000 description 7
- 230000013011 mating Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000012811 non-conductive material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- G03G21/1875—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 provided with identifying means or means for storing process- or use parameters, e.g. lifetime of the cartridge
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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
The processing box comprises a shell and a gear end cover arranged at the end part of the shell, a conductive bracket arranged at one end of the shell, and a conductive matching part which is in contact with a detection mechanism of the image forming device and is a deformable conductive rod arranged on the conductive bracket; the detection gear is arranged on the end wall of the shell, a protruding part is arranged on the detection gear, and the protruding part can be directly or indirectly contacted with the conductive matching part; a transmission gear meshed with the detection gear; one of the detection gear and the transmission gear is a non-full-tooth gear, or the detection gear and the transmission gear can move relatively along the axial direction in the rotating process, and the detection gear moves from a first position to a second position in the relative moving process. The detection gear can enable the detection mechanism to be in a conducting or power-off state in the rotating process, and the detection gear rotates for one circle to detect the power-on state of the detection mechanism so as to identify and judge whether the processing box is a brand-new processing box.
Description
Technical Field
The present invention relates to a process cartridge used in an image forming apparatus.
Background
An image forming apparatus such as a laser printer, a copier, etc. generally has an image processing unit and a developing unit, and develops an electrostatic latent image formed on the image processing unit with a developer such as carbon powder supplied from the developing unit to form a visible image on a medium such as paper. The developing unit includes a process cartridge, which is a cartridge detachably incorporated in a main body of the image forming apparatus, including, as an integral unit, a casing, a photosensitive drum, a developing roller, a developer accommodating chamber, and the like.
In order to facilitate determination of whether a process cartridge is a brand-new process cartridge, a detection mechanism is provided on a part of the image forming apparatus, the detection mechanism cooperates with a conductive sheet on the process cartridge, and the detection mechanism detects a conductive state of the detection mechanism to determine whether the loaded process cartridge is a brand-new process cartridge.
Disclosure of Invention
The invention aims to provide a processing box, which can judge whether the processing box is brand new or not through the conductive state of a detection mechanism after the processing box falls down.
In order to achieve the above object, the present invention adopts the following technical solutions:
the processing box comprises a shell and a gear end cover arranged at the end part of the shell, and a conductive bracket arranged at one end of the shell, wherein a conductive matching part matched with a detection mechanism of an image forming device is arranged on the conductive bracket, and the conductive matching part is a flexible conductive rod; the detection gear is arranged on the end wall of the shell, and is provided with a protruding part which can be directly or indirectly contacted with the conductive matching part; a transmission gear meshed with the detection gear; one of the detection gear and the transmission gear is a non-full-tooth gear, or the detection gear and the transmission gear can move relatively and are separated along the axial direction in the rotating process.
Optionally, the first position is a position where the detection gear and the transmission gear are meshed, and the second position is a position where the detection gear and the transmission gear are separated from each other and are disengaged from each other.
Optionally, the first position is a position where a distance between the stirring part on the detection gear and the axis of the conductive matching part on the conductive bracket is smaller than 0, and the second position is a position where a distance between the stirring part on the detection gear and the axis of the conductive matching part on the conductive bracket is larger than 0.
Further, the conductive engaging portion is in contact with a detecting mechanism of the image forming apparatus at all times, and vibration is generated by the protruding portion colliding with the conductive engaging portion when the detecting gear rotates, and the detecting mechanism of the image forming apparatus detects a vibration signal to identify the state of the process cartridge.
Further, when the detection gear rotates, the protruding portion directly or indirectly pushes the conductive matching portion to be away from the detection mechanism of the image forming device.
Further, a separation mechanism capable of swinging around a pin shaft is arranged on the gear end cover, and the axis of the pin shaft is parallel to the axis of the detection gear; when the detection gear rotates, the protruding part can be in contact with the separating mechanism, and the conductive matching part is separated from the detection mechanism of the image forming device through the separating mechanism.
Further, the protruding portion is a pair of stirring ribs protruding out of the detection gear in the radial direction, wherein the stirring ribs are arranged on the outer end face of the detection gear and are arranged oppositely.
Further, the transmission gear is arranged at the end part of the powder feeding roller of the processing box.
Further, the transmission gear further comprises a second transmission gear, the second transmission gear is a double-layer gear, and the second transmission gear is meshed with the transmission gear and the detection gear respectively.
Further, the detection gear and the transmission gear are full-tooth gears; the gear end cover is provided with a movable guide part matched with the poking part, the front side surface of the movable guide part is a guide inclined surface, after the detection gear completes triggering of detection signals, the poking part is contacted with the movable guide part and moves along the guide inclined surface, so that the detection gear is pushed to move along the axial direction, and the distance between the poking part and the axis of the conductive matching part on the conductive support is larger than 0.
According to the scheme, the detection gear is arranged, the detection mechanism of the image forming device can be driven to move between different positions by pushing the deformable conducting rod in the rotation process of the detection gear, so that the detection mechanism is in a conducting or power-off state, one of the detection gear and the transmission gear meshed with the detection gear adopts a non-full-tooth structure or is axially separated, the detection gear can only rotate one circle, and the detection gear rotates one circle to detect the power-on state of the detection mechanism; or after the detection gear rotates for one circle and moves axially, even if the detection gear is meshed with the transmission gear, the stirring part on the detection gear can not contact with the conductive matching part any more and can not trigger the detection signal any more, so that whether the processing box is a brand-new processing box can be identified and judged.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the following description will briefly explain the embodiments or the drawings required for the description of the prior art, it being obvious that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic view showing an exploded structure of an end portion of a process cartridge according to embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of the detecting gear according to embodiment 1 of the present invention;
FIGS. 3a to 3d are schematic diagrams showing different states of a protrusion on a detection gear, a power-off shifting block and a detection mechanism of an image forming apparatus in a detection and identification process;
FIG. 4a is a schematic view of a part of the structure of a detecting gear and a gear end cover according to embodiment 2 of the present invention;
FIG. 4b is a schematic diagram of embodiment 2 of the present invention when the detection gear and the transmission gear are separated
FIG. 4c is a schematic view of another angle of embodiment 2 of the present invention when the detection gear and the transmission gear are separated;
FIG. 5 is a schematic view showing an exploded structure of an end portion of a process cartridge according to embodiment 3 of the present invention;
FIG. 6 is a schematic view of the end of the process cartridge of embodiment 3 with the gear end cap removed;
FIG. 7 is a schematic view of another angle of the end of the process cartridge of embodiment 3 with the gear end cap removed;
FIG. 8 is a schematic diagram of a detecting gear according to embodiment 3 of the present invention;
FIGS. 9a to 9e are schematic diagrams showing different states of a detection gear, a conductive rod and a detection mechanism of an image forming apparatus in a detection and identification process;
fig. 10a to 10c are schematic diagrams of different states of the detection mechanism of the detection gear, the conductive rod, the separation mechanism and the image forming apparatus according to embodiment 4 of the present invention in the detection and identification process;
FIG. 11 is a schematic view showing an exploded construction of an end portion of a process cartridge according to embodiment 5 of the present invention;
FIG. 12 is a schematic view showing the structure of an end portion of a process cartridge according to embodiment 5 of the present invention;
FIG. 13 is a schematic view showing the structure of the end of the process cartridge of embodiment 5 of the present invention at another angle;
FIG. 14 is a schematic view of a gear end cap according to embodiment 5 of the present invention;
fig. 15a to 15f are schematic diagrams of different states of the detection mechanism of the image forming apparatus and the conductive matching portion on the detection gear according to embodiment 5 in the detection and identification process;
fig. 16a to 16f are schematic views of a toggle rib and a conductive matching portion on a detection gear according to embodiment 5 and another angle of a detection mechanism of an image forming apparatus in different states during detection and identification;
fig. 17a to 17c are schematic diagrams of the detection gear of embodiment 5 in different positions of the toggle bar and the moving guide portion after detection and recognition are completed;
fig. 18a to 18c are schematic views of the detection gear of embodiment 5 at another angle in different positions of the toggle bar and the moving guide portion after detection and recognition are completed;
fig. 19a and 19c are schematic views of the embodiment 5 detecting the gear moving from the first position to the second position at different stages.
The following describes the embodiments of the present invention in further detail with reference to the drawings.
Detailed Description
In describing embodiments of the present invention in detail, the drawings showing the structure of the device are not to scale locally for ease of illustration, and the schematic illustrations are merely examples, which should not limit the scope of the invention. It should be noted that the drawings are in a very simplified form and are not to scale precisely, but merely for the purpose of facilitating and clearly aiding in the description of the embodiments of the invention.
Example 1
As shown in fig. 1 and 2, the process cartridge of the present embodiment includes a casing 1 and a gear cover 2 provided at a side end of the casing 1. The casing 1 is provided therein with a photosensitive drum, a developing roller, a toner feeding roller, a toner hopper for accommodating developer, and the like. A conductive bracket 3 is arranged at one end of the shell 1, and the conductive bracket 3 is positioned in the gear end cover 2. The conductive holder 3 has a conductive engagement portion 3-1 for engaging with a detection mechanism on the image forming apparatus. A detection gear 4 is mounted on the end wall of the process cartridge (housing), and the detection gear 4 of this embodiment is meshed with a transmission gear 6 provided on the powder feeding roller 5, and the detection gear 4 and the transmission gear 6 are both located outside the conductive holder 3 (on the side away from the housing). When the driving gear of the process cartridge rotates under the action of the driving head on the image forming apparatus and drives the powder feeding roller 5 to rotate, the powder feeding roller 5 also drives the detecting gear 4 to synchronously rotate through the transmission gear 6. The transmission gear is arranged at the end part of the powder feeding roller, compared with the prior art which adopts a stirring frame transmission mode, the problem of large torsion of the processing box can be solved, the torsion deformation of the stirring frame caused by large torsion is avoided, and meanwhile, abnormal sound generated in the high-speed printing process can be controlled. The axle center of the powder feeding roller is generally made of steel materials and is used as a driving shaft of a transmission gear, so that stable driving force can be transmitted to a gear at the back.
The outer end face of the detection gear 4 is provided with a poking part 4a protruding and extending along the axial direction of the detection gear, the poking part 4a can adopt a cam structure, and the poking part 4a is provided with a protruding part 4b protruding radially from the outer peripheral wall of the poking part 4 a. A movable power-off shifting block 7 is arranged in the gear end cover 2, the power-off shifting block 7 can be arranged on the gear end cover 2 through a pin shaft (not shown), and the axis of the pin shaft is parallel to the axis of the detection gear 4. The power-off shifting block 7 can rotate around the pin shaft, and the power-off shifting block 7 can be contacted with or separated from a detection mechanism of the image forming device during rotation. In the process of detecting the rotation of the gear 4, the protruding part 4b can contact with the power-off shifting block 7 and drive the power-off shifting block 7 to rotate, so that the detecting mechanism of the image forming device contacted with the conductive matching part 3-1 is lifted, the power-on state of the detecting mechanism of the image forming device is changed, and the falling detection of the processing box is realized. The detection gear 4 in this embodiment is a non-full-tooth gear, when the detection gear 4 and the transmission gear 6 are meshed together and rotate until the empty tooth portion on the detection gear 4 is opposite to the transmission gear 6, the empty tooth portion on the detection gear 4 cannot be meshed with the transmission gear 6, and the detection gear 4 and the transmission gear 6 do not rotate with the transmission gear 6 after being disengaged from the meshing. In other embodiments, the detection transmission gear may be a non-full-tooth gear, and the effect that the two gears cannot be meshed for transmission after rotating a specific angle can be achieved only by one of the detection driving gear and the detection transmission gear. When the position is proper, the detection gear 4 may directly toggle the detection mechanism 100 of the image forming apparatus through the protruding portion 4b to separate from the conductive matching portion 3-1.
Next, with reference to fig. 3a to 3d, a description will be given of how the process cartridge according to the present embodiment is mounted with a detection mechanism on an image forming apparatus to realize whether the process cartridge is completely new or not:
as shown in fig. 3a, when the process cartridge is just loaded into the image forming apparatus, the detection gear 4 is at the initial position, and at this time, the protruding portion 4b of the detection gear 4 is not in contact with the power-off dial 7, and the detection mechanism 100 on the image forming apparatus is in contact with the conductive engaging portion 3-1 on the conductive bracket 3, and is in the energized state;
after the process cartridge falls down, a driving gear (not shown) of the process cartridge is driven by a driving head of the image forming device to rotate and drive the powder feeding roller 5 to rotate together, a transmission gear 6 arranged at the end part of the powder feeding roller 5 also synchronously rotates, the transmission gear 6 drives a detection gear 4 meshed with the transmission gear 6 to rotate, and at the moment, a protruding part 4b of the detection gear 4 moves towards a direction close to the power-off shifting block 7 in the rotation process of the detection gear 4, as shown in fig. 3 b;
along with the continuous rotation of the detection gear 4, the protruding part 4b on the detection gear 4 is contacted with the power-off shifting block 7 and drives the power-off shifting block 7 to rotate, one end of the power-off shifting block 7 is contacted with the detection mechanism 100 in the rotation process, and the detection mechanism 100 is lifted up, so that the detection mechanism 100 is separated from the conductive matching part 3-1 (fig. 3 c), and the detection mechanism 100 is in a power-off state;
as the detection gear 4 continues to rotate, the protruding part 4b on the detection gear 4 leaves the power-off shifting block 7, the power-off shifting block 7 and the detection mechanism 100 are reset respectively, and the detection mechanism 100 is in contact with the conductive matching part 3-1 on the conductive bracket 3 again (fig. 3 d) and is in a conducting state; when the protruding part 4b on the detection gear 4 leaves the power-off shifting block 7 and the detection gear 4 rotates until the empty tooth part of the detection gear 4 is opposite to the transmission gear 6, the detection gear 4 and the transmission gear 6 are disconnected, and the detection gear 4 does not rotate along with the transmission gear 6 any more. In the process from the start of rotation to the stop of rotation of the detection gear 4, the detection mechanism 100 is subjected to the on-off-on state, and the process cartridge can be identified and detected based on the on-state of the detection mechanism. When the detecting gear 4 is separated from the transmission gear 6, the detecting gear 4 can not rotate any more, namely, the falling detection process of the detecting gear is disposable, the detecting gear is separated from the transmission gear after the non-totally new processing box is installed, and the detecting mechanism can not be triggered by the protruding part and the power-off shifting block to send the on/off electric signal, so that whether the processing box is brand-new or not can be detected, and if the processing box is installed, the image forming device does not detect the electric signal, the processing box is considered to be not the brand-new processing box.
Example 2
The present embodiment differs from embodiment 1 in that: the detection gear 4 and the transmission gear 6 in this embodiment are all full-tooth gears, and the detection gear 4 and the transmission gear 6 can be staggered by relative movement in the axial direction, and are disengaged from each other. Referring to fig. 4a, in the present embodiment, a separation portion 4c is provided on the outer end surface of the detection gear 4, the separation portion 4c protrudes from the outer end surface of the detection gear 4 in a direction parallel to the axis of the detection gear 4, and the separation portion 4c has a guiding inclined surface s, which is a front side surface of the separation portion 4 c. Further, a supporting rib 4d is disposed on the inner end face of the detecting gear 4, the supporting rib 4d is located between the detecting gear 4 and the conductive bracket 3, the supporting rib 4d provides a supporting force for the detecting gear 4, so that the detecting gear is located at a position meshed with the transmission gear, at this time, the detecting gear is located at a first position, and the detecting gear and the transmission gear are kept meshed. The supporting rib 4d is made of a material having deformability.
The gear cover 2 is provided with a stopper 2a, and when the detection gear 4 rotates to a certain angle, the guide slope s of the separation part 4c is opposite to the stopper 2a. When the detection gear 4 rotates to the position where the guiding inclined surface s of the separation part 4c contacts with the limiting part 2a on the gear end cover 2, the limiting part 2a moves along the guiding inclined surface of the separation part 4c and pushes the detection gear 4 in the axial direction, in the process, the supporting rib 4d is pressed and deformed to lose the supporting effect on the detection gear 4, and when the limiting part 2a moves to the top of the guiding inclined surface s, as shown in fig. 4b and 4c, the detection gear 4 and the transmission gear 6 are staggered and do not mesh with each other, so that the detection gear 4 does not rotate along with the transmission gear 6, and at the moment, the detection gear is at the second position, and the position is separated from the transmission gear and is disengaged from the transmission gear. The identification and detection process after the process cartridge loading in this embodiment is the same as that in embodiment 1, and will not be described here again.
Example 3
Referring to fig. 5, 6 and 7, the process cartridge of the present embodiment includes a casing 1 and a gear cover 2 provided at a side end of the casing 1. The casing 1 is provided therein with a photosensitive drum, a developing roller, a toner feeding roller, a toner hopper for accommodating developer, and the like. A conductive bracket 3 is disposed at one end of the housing 1, and the conductive mating portion in this embodiment is a deformable conductive rod 3-1' disposed on the conductive bracket 3. The transmission gear of this embodiment includes first transmission gear 6 and second transmission gear 7, and first transmission gear 6 sets up in the tip of sending powder roller 5, and the second transmission gear sets up on the end wall of processing box casing, and second transmission gear 7 is double-deck gear, and second transmission gear 7 meshes with first transmission gear 6 and detection gear 4 respectively. When the driving gear of the processing box rotates under the action of the driving head on the image forming device and drives the powder feeding roller 5 to rotate, the powder feeding roller 5 also drives the detection gear 4 to synchronously rotate through the first transmission gear 6 and the second transmission gear 7.
As shown in fig. 8, a pair of stirring ribs 4b 'protruding radially from the detection gear 4 are provided on the outer end surface of the detection gear 4, and the two stirring ribs 4b' are arranged oppositely. The stirring rib 4b 'in this embodiment corresponds to the stirring portion in embodiment 1, in the process of detecting the rotation of the gear 4, the stirring rib 4b' may contact with the conductive rod 3-1', the conductive rod 3-1' contacts with the detection mechanism of the image forming apparatus all the time, when the stirring rib 4b 'contacts with the conductive rod 3-1', the detection mechanism detects vibration, and the falling detection of the processing box is realized by the vibration signal detected by the detection mechanism. The detection gear 4 of the present embodiment is a non-full-tooth gear.
Next, with reference to fig. 9a to 9e, a description will be given of how the process cartridge of the present invention is mounted in cooperation with a detection mechanism on an image forming apparatus to realize a completely new detection process of the process cartridge:
as shown in fig. 9a, when the process cartridge is just loaded into the image forming apparatus, the detection gear 4 is at the initial position, and at this time, neither of the two toggle ribs 4b ' of the detection gear 4 is in contact with the conductive rod 3-1', and the detection mechanism 100 on the image forming apparatus is in contact with the conductive rod 3-1' on the conductive bracket 3;
after the process cartridge falls down, a driving gear (not shown) of the process cartridge rotates under the drive of a driving head of the image forming device, and drives the powder feeding roller 5 to rotate together, a first transmission gear 6 arranged at the end part of the powder feeding roller 5 also rotates synchronously, and drives a detection gear 4 (shown by an arrow in the figure) to rotate together through a second transmission gear 7, at the moment, one stirring rib 4b 'on the detection gear 4 contacts with a conducting rod 3-1', vibration is generated after the conducting rod 3-1 'is collided by the stirring rib 4b', a detection mechanism 100 can detect the vibration signal (vibration can also be generated by touching the detection mechanism 100 in the rotation process of the detection gear 4), and the detection mechanism 100 detects the vibration signal) as shown in fig. 9 b;
as the detection gear 4 continues to rotate, the poking ribs 4b ' on the detection gear 4 leave the conducting rod 3-1', and the conducting rod 3-1' or the detection mechanism 100 is reset (fig. 9 c);
the detection gear 4 continues to rotate, the other stirring rib 4b 'on the detection gear 4 moves to be in contact with the conductive rod 3-1', the conductive rod 3-1 'is touched by the stirring rib 4b' again to generate vibration, the detection mechanism 100 detects a vibration signal (the detection mechanism 100 can also be touched to generate vibration in the process of rotating the detection gear 4, and the detection mechanism 100 detects the vibration signal), as shown in fig. 9 d;
the detection gear 4 continues to rotate and the second toggle rib 4b ' moves away from the conducting rod 3-1', the conducting rod 3-1' or the detection mechanism 100 is reset again (fig. 9 e). When two poking ribs 4b 'on the detection gear 4 leave the broken conducting rod 3-1', the detection gear 4 rotates until the empty tooth part is opposite to the second transmission gear 7, the detection gear 4 and the second transmission gear 7 are disconnected, and the detection gear 4 does not rotate any more. In the process from the start of rotation to the stop of rotation of the detection gear 4, the detection mechanism 100 can detect the vibration signal twice, that is, can identify and detect the process cartridge according to whether or not the image forming apparatus detects the vibration signal.
Example 4
The present embodiment differs from embodiment 3 in that: when the detection gear 4 rotates, the poking ribs on the detection gear directly or indirectly push the conducting rod, so that the conducting rod deforms and leaves the detection mechanism, and the conducting state of the detection mechanism is changed. In this embodiment, a movable separating mechanism 8 (fig. 10 a) is disposed in the gear end cover 2, and the toggle rib of the detection gear 4 deforms the conductive rod through the separating mechanism 8 and leaves the detection mechanism. The separating mechanism 8 may be disposed on the gear end cover 2 by a pin (not shown), the axis of the pin is parallel to the axis of the detection gear 4, and the separating mechanism 8 may rotate around the pin. One end of the separating mechanism 8 is contacted with the conducting rod 3-1', and the other end of the separating mechanism can be contacted with the poking rib 4b' on the detection gear 4.
As shown in fig. 10a, when the process cartridge is just loaded into the image forming apparatus, the detection gear 4 is at the initial position, and at this time, the toggle rib 4b 'on the detection gear 4 is not in contact with the separation mechanism 8, and the detection mechanism 100 on the image forming apparatus is in contact with the conductive rod 3-1' on the conductive bracket 3, and is in a conductive state;
after the process cartridge falls down, a driving gear (not shown) of the process cartridge rotates under the driving of a driving head of the image forming device, and drives the powder feeding roller 5 to rotate together, a first transmission gear 6 arranged at the end part of the powder feeding roller 5 also rotates synchronously, and drives a detection gear 4 (shown by an arrow in the figure) to rotate together through a second transmission gear 7, when the detection gear 4 rotates until a stirring rib 4b 'on the detection gear contacts with the separating mechanism 8 (fig. 10 b), the stirring rib 4b' pushes the separating mechanism 8 along with the continuous rotation of the detection gear 4, the separating mechanism 8 rotates and further pushes a conductive rod 3-1 'in contact with the separating mechanism, the conductive rod 3-1' deforms and leaves the detecting mechanism 100 (fig. 10 c), the detecting mechanism 100 is in a power-off state (the conductive rod is pushed in the process of rotating the detection gear 4, and the power-on state of the detecting mechanism 100 is changed by changing the position of the conductive rod). When the poking ribs 4b 'on the detection gear 4 leave the separation mechanism 8, the separation mechanism 8 and the conducting rod 3-1' are reset, and the detection mechanism 100 is in a conducting state again.
The detection gear 4 rotates until the empty tooth part is opposite to the second transmission gear 7, the detection gear 4 is disconnected from the second transmission gear 7, and the detection gear 4 does not rotate any more. In the process from the start of rotation to the stop of rotation of the detection gear 4, the detection mechanism 100 is in a turned-on or turned-off state, and the process cartridge can be identified and detected according to whether or not the image forming apparatus detects the above state.
Example 5
The present embodiment differs from embodiment 2 in that: after the detection gear 4 (full-tooth gear) moves in the axial direction relative to the transmission gear 6, the detection gear is not disengaged from the transmission gear 6, but is kept engaged with the transmission gear 6, and rotates together with the transmission gear 6. As shown in fig. 11, 12 and 13, the detection gear 4 is provided with a pair of toggle ribs 4b 'protruding radially from the peripheral wall thereof, and the two toggle ribs 4b' are arranged opposite to each other, and in other embodiments, only one toggle rib may be provided. In the process of detecting the rotation of the gear 4, the stirring rib 4b' can be in contact with the conductive matching part 3-1 on the conductive bracket 3, and the conductive matching part 3-1 is stirred to deform or move, so that a detection mechanism on the image forming device is further stirred, and the image forming device can recognize the processing box. When the detection gear 4 is positioned at the first position, the distance h between the poking rib 4b ' (poking part) on the detection gear 4 and the conductive matching part 3-1 in the axial direction is smaller than 0, namely, the poking rib 4b ' and the conductive matching part 3-1 have overlapped parts, so that the poking rib 4b ' on the detection gear 4 can touch the conductive matching part 3-1 when the detection gear 4 rotates to a certain position; when the detection gear 4 is located at the second position, the distance h between the stirring rib 4b ' (stirring part) on the detection gear 4 and the conductive matching part 3-1 in the axial direction is greater than 0 (fig. 18 c), and because a gap exists between the stirring rib 4b ' and the conductive matching part 3-1 in the axial direction, the stirring rib 4b ' on the detection gear 4 cannot touch the conductive matching part 3-1 in the rotating process, so that whether the processing box is a brand-new processing box is judged according to the detection signal.
As shown in fig. 11, 12 and 14, in order to facilitate the installation of the detection gear 4, the gear end cover of the present embodiment is composed of two parts: the detection gear comprises a first end cover 2-1 and a second end cover 2-2, wherein the second end cover 2-2 is arranged on the outer side of the first end cover 2-1, and the detection gear 4 is arranged between the first end cover 2-1 and the second end cover 2-2. As shown in fig. 14, a moving guide 2-2a is provided inside the second end cap 2-2. The structure and function of the moving guide portion 2-2a are similar to those of the separating portion in embodiment 2, the moving guide portion 2-2a also has a guiding inclined surface s, the toggle rib 4b' is matched with the moving guide portion 2-2a and moves along the guiding inclined surface s during the rotation of the detecting gear 4, and the moving guide portion 2-2a can enable the detecting gear 4 to move axially during the rotation of the detecting gear 4 from the first position to the second position. In this embodiment, a pair of stirring ribs 4b ' are disposed on the detection gear 4, where only the stirring rib 4b ' in front can be in contact with the moving guide portion 2-2a, and the stirring rib 4b ' in rear has a shorter radially protruding length, can be in contact with the conductive matching portion 3-1, but cannot be in contact with the moving guide portion 2-2a.
The rotation shaft of the detection gear in this embodiment is made of non-conductive material, a hole for the rotation shaft of the detection gear to pass through is processed on the conductive bracket 3, and a split structure is formed between the detection gear and the conductivity. The rotating shaft of the detection gear is made of a non-conductive material, so that the cost can be effectively reduced, the bending strength of the rotating shaft can be enhanced, and the shock resistance is improved. The rotation shaft of the detection gear passes through the hole on the conductive support, so that the positioning precision of the rotation shaft can be increased, the rotation shaft can be guaranteed not to shake after the assembly is completed, the detection gear can be guaranteed to stably rotate, the detection is realized, and the successful installation of the processing box is guaranteed.
Next, with reference to fig. 15a to 15f, and fig. 16a to 16f, a description will be given of how to realize a completely new detection process of the process cartridge in cooperation with the detection mechanism on the image forming apparatus after the process cartridge is mounted in the present embodiment:
after the processing box is installed in a falling mode, the detection gear 4 is at an initial position, at the moment, the stirring ribs 4b ' on the detection gear 4 are not contacted with the conductive matching part 3-1 on the conductive bracket 3, and along with the rotation of the detection gear 4, the stirring ribs 4b ' are gradually close to the conductive matching part 3-1, and fig. 15a and 16a are respectively schematic diagrams of different angles when the stirring ribs 4b ' on the detection gear 4 at the front position are about to contact with the conductive matching part 3-1;
the detection gear 4 continues to rotate, as shown in fig. 15b and 16b, the stirring rib 4b 'touches the conductive matching part 3-1, and stirs the conductive matching part 3-1 to deform or swing, the conductive matching part 3-1 further stirs the detection mechanism 100 under the action of the stirring rib 4b', and the detection mechanism 100 sends out a detection signal;
as shown in fig. 15c and 16c, the front poking rib 4b ' is separated from the conductive matching part 3-1 along with the rotation of the detection gear 4, the conductive matching part 3-1 and the detection mechanism 100 are reset, the rear poking rib 4b ' rotates to pass through the moving guide part 2-2a, and the poking rib 4b ' does not contact the moving guide part 2-2a, so that the detection gear 4 cannot axially move;
fig. 15d and 16d are schematic views of the toggle bar 4b' located at the rear, i.e. about to contact the conductive mating part 3-1; fig. 15e and fig. 16e are schematic diagrams of the rear toggle rib 4b 'contacting the conductive mating part 3-1, at this time, the conductive mating part 3-1 is toggled by the toggle rib 4b', and further toggles the detecting mechanism 100 to send out a detecting signal; as shown in fig. 15f and 16f, the toggle rib 4b' located at the rear leaves the conductive engaging portion 3-1 along with the rotation of the detection gear 4, the conductive engaging portion 3-1 and the detection mechanism 100 are reset, and at this time, the image forming apparatus has completed detection and identification of a new process cartridge by the detection signal sent from the detection mechanism 100.
As the detection gear 4 rotates, the forward toggle rib 4b 'gradually approaches the moving guide part 2-2a, and fig. 17a, 18a and 19a are schematic views of the toggle rib 4b' when it is about to contact with the moving guide part 2-2 a;
as shown in fig. 17b, 18b and 19b, after the toggle rib 4b 'contacts with the moving guide part 2-2a, the toggle rib 4b' moves along the guiding inclined plane s of the moving guide part 2-2a, and at this time, the detection gear 4 moves from the first position to the second position along the axial direction under the action of the guiding inclined plane s;
when the striking rib 4b ' moves to the top of the movement guide portion 2-2a along the guide slope s as shown in fig. 19c, the detection gear 4 also moves to the second position in the axial direction as shown in fig. 18c, and at this time, a gap (h greater than 0) exists between the striking rib 4b ' and the conductive engaging portion 3-1 in the axial direction, so that even if the detection gear 4 remains engaged with the transmission gear 6 and rotates with the transmission gear 6 all the time (fig. 17 c), the detection mechanism cannot be triggered to send a detection signal because the striking rib 4b ' does not touch the conductive engaging portion 3-1, and thus it is possible to identify whether the process cartridge is a brand-new process cartridge.
The present invention is not limited to the above-mentioned embodiments, but is not limited to the above-mentioned embodiments, and any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical matters of the present invention can be made by those skilled in the art without departing from the scope of the present invention.
Claims (1)
1. The utility model provides a processing box, includes the casing and set up in the gear end cover of casing tip, its characterized in that still includes:
the conductive support is arranged at one end of the shell, a conductive matching part which is in contact with a detection mechanism of the image forming device is arranged on the conductive support, and the conductive matching part is a deformable conductive rod;
the detection gear is arranged on the end wall of the shell, and is provided with a protruding part which can be directly or indirectly contacted with the conductive matching part;
the transmission gear is meshed with the detection gear and is arranged at the end part of the powder feeding roller of the processing box;
one of the detection gear and the transmission gear is a non-full-tooth gear;
the conductive rod is arranged on the conductive bracket, the conductive rod is always contacted with a detection mechanism of the image forming device, when the detection gear rotates, the protrusion part collides with the conductive rod to generate vibration, and the detection mechanism of the image forming device detects a vibration signal of the conductive rod to identify the state of the processing box;
the protruding parts are a pair of stirring ribs which are arranged on the outer end surface of the detection gear and radially protrude from the detection gear, and the stirring ribs are oppositely arranged;
the transmission gear further comprises a second transmission gear, the second transmission gear is a double-layer gear, and the second transmission gear is meshed with the transmission gear and the detection gear respectively;
after the processing box falls into the machine, the detection gear rotates, one stirring rib on the detection gear contacts with the conductive rod and enables the conductive rod to vibrate, the detection gear continues to rotate, the other stirring rib on the detection gear contacts with the conductive rod and enables the conductive rod to vibrate, the detection gear starts to rotate to stop in the rotation process, the detection mechanism can detect two vibration signals, and the processing box is identified and detected.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019108250027 | 2019-09-02 | ||
| CN2019214606458 | 2019-09-02 | ||
| CN201910825002 | 2019-09-02 | ||
| CN201921460645 | 2019-09-02 |
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| Publication Number | Publication Date |
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| CN110764385A CN110764385A (en) | 2020-02-07 |
| CN110764385B true CN110764385B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921741600.8U Active CN210894998U (en) | 2019-09-02 | 2019-10-16 | Novel processing box |
| CN201910983203.XA Active CN110764384B (en) | 2019-09-02 | 2019-10-16 | Process cartridge |
| CN201910983865.7A Active CN110764385B (en) | 2019-09-02 | 2019-10-16 | Processing box |
| CN201921741552.2U Active CN210894997U (en) | 2019-09-02 | 2019-10-16 | Novel processing box |
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| CN201910983203.XA Active CN110764384B (en) | 2019-09-02 | 2019-10-16 | Process cartridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210894998U (en) * | 2019-09-02 | 2020-06-30 | 珠海市汇威打印机耗材有限公司 | Novel processing box |
| CN114253111B (en) * | 2021-12-08 | 2024-03-22 | 广州众诺微电子有限公司 | Powder box and printer |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN210894998U (en) | 2020-06-30 |
| CN110764384B (en) | 2023-12-05 |
| CN110764385A (en) | 2020-02-07 |
| CN210894997U (en) | 2020-06-30 |
| CN110764384A (en) | 2020-02-07 |
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Address after: 519070, 1st and 4th floors of Building 1, No. 4333 Zhuhai Avenue, Xiangzhou District, Zhuhai City, Guangdong Province, China. 3rd to 5th floors of Building 2 and 1st to 5th floors of Building 6 Applicant after: Zhuhai Huiwei Precision Manufacturing Co.,Ltd. Address before: 519070 floor 1-4 of Building 1, 4333 Zhuhai Avenue, Xiangzhou District, Zhuhai City, Guangdong Province (except 1202, 1203, 1302, 1303, 1304 and 1305), floor 3-5 of Building 2, floor 1-5 of building 4 and floor 1-5 of building 6 Applicant before: HUIWEI Corp. |
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