Developing cartridge

Abstract

The developing box comprises a shell, a developing roller and a first driving force receiving piece, the shell comprises a bottom shell and a surface cover which are combined with each other, a lower side plate of the bottom shell is inclined relative to a second direction, and a cavity for accommodating carbon powder is formed between the bottom shell and the surface cover, so that a stirring frame can be omitted, and the manufacturing cost of the developing box is saved; the developing roller is rotatably arranged in the bottom shell and is provided with a rotation axis extending along a first direction; the first driving force receiving part is used for receiving driving force from the imaging equipment to drive the developing roller to rotate; wherein the bottom shell and the surface cover are combined in a welding mode, and when the bottom shell and the surface cover are observed in the first direction, a welding surface formed by welding the bottom shell and the surface cover does not coincide with the first driving force receiving piece; therefore, the overall quality of the developing box is further improved, and the service life of the developing box is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of electrophotographic imaging, and more particularly to a developing cartridge that can be detachably installed in an electrophotographic imaging device. Background Technology

[0002] A developing cartridge is provided for use in an electrophotographic imaging device (hereinafter referred to as "imaging device"). Rotating components such as a developing roller, a powder feeding roller, and a stirring frame are rotatably arranged within the developing cartridge. When the developing cartridge is used for development within the imaging device, a driving force receiver in the developing cartridge receives driving force from the imaging device to drive the developing roller, powder feeding roller, and stirring frame to rotate. The stirring frame is used to stir the toner stored in the developing cartridge. The powder feeding roller is used to convey the toner towards the developing roller. The developing roller carries the toner and supplies it to a photosensitive drum on which an electrostatic latent image is formed, thereby developing the electrostatic latent image on the photosensitive drum.

[0003] Developing cartridges are typically formed by welding together at least two shell parts and forming a welded surface on the developing cartridge. However, in existing developing cartridges, the welded surface and the drive force receiver usually have a projection overlap in the length direction. This can cause the welded surface to separate or crack when the drive force receiver receives the drive force, thereby reducing the overall quality of the developing cartridge. Utility Model Content

[0004] This utility model further develops the existing technology, specifically as follows:

[0005] Developing cartridge, including:

[0006] The housing includes a bottom shell and a top cover joined together, the lower side plate of the bottom shell being inclined relative to a second direction, and a cavity for containing toner being formed between the bottom shell and the top cover;

[0007] The developing roller is rotatably disposed in the bottom housing and has a rotation axis extending in a first direction;

[0008] A first driving force receiver is used to receive driving force from the imaging device to drive the developing roller to rotate; wherein

[0009] The bottom shell and the top cover are joined by welding. When viewed along the first direction, the welded surface formed by the welding does not coincide with the first driving force receiving component.

[0010] In some implementations, the welding surface is inclined relative to the second / third direction.

[0011] In some embodiments, the lower side plate faces the inner surface of the cavity and is inclined relative to the second direction.

[0012] In some embodiments, the first straight line passes through both the rotation axis of the developing roller and the rotation axis of the first driving force receiving member, the second straight line is parallel to the inner surface of the cavity, and the included angle γ formed by the first straight line and the second straight line satisfies: 0°<γ≤45°.

[0013] In some embodiments, the developing cartridge is detachably mounted to the drum cartridge, and the developing cartridge also includes an end cap disposed at one end of the housing and connected to the housing, the end cap being provided with a forced pushing mechanism; wherein the forced pushing mechanism disposed in the drum cartridge can be pushed to keep the developing roller and the photosensitive drum inside the drum cartridge in contact.

[0014] In some embodiments, the developing cartridge is detachably mounted to a drum cartridge equipped with a second driving force receiver, and the processing cartridge formed by the developing cartridge and the drum cartridge is suitable for an imaging device containing a sample to be tested; the developing cartridge further includes:

[0015] The detection device includes a detection element. Along a first direction, a first driving force receiver and the detection element are located at opposite ends of a housing. The detection element interacts with the object being detected by receiving a driving force from a second driving force receiver.

[0016] In some embodiments, the drum housing is provided with a photosensitive drum and a driving force output component, the developing cartridge is provided with a driving device, and the second driving force receiver is used to receive driving force from the imaging device to drive the photosensitive drum to rotate. One end of the driving device is connected to the driving force output component, and the other end is connected to the detection device; wherein, the photosensitive drum, the second driving force receiver, and the driving force output component are coaxially arranged.

[0017] In some embodiments, the drive device includes a transmission head and a transmission tail, the transmission head being configured to engage with a drive force output member or a second drive force receiver to receive drive force, and the transmission tail being configured to transmit the drive force received by the transmission head to a detection device; wherein the first drive force receiver is exposed through an end cap, and at least a portion of the transmission head protrudes from the end cap along a second direction intersecting the first direction.

[0018] In some embodiments, the drive device further includes an intermediate transfer member located between the transfer head and the transfer tail, at least a portion of which is coaxially disposed with the first drive force receiver.

[0019] In some embodiments, the driving force output member and the driving device are arranged on the same side in the first direction.

[0020] Other embodiments of this application also provide a developing cartridge, suitable for imaging devices equipped with power output components. The developing cartridge is detachably installed in a drum housing. Along a first direction, the drum housing includes a left side plate and a right side plate spaced apart from each other. When the developing cartridge is installed in the drum housing, at least a portion of the developing cartridge is located between the left side plate and the right side plate. The developing cartridge includes:

[0021] case;

[0022] The developing roller is rotatably disposed in the housing and has a rotation axis extending in a first direction;

[0023] A driving force receiver is used to receive driving force from an imaging device to drive the developing roller to rotate;

[0024] The conductive element has a power receiving part for electrical contact with the power output element to receive power and supply power directly or indirectly to the developing roller; wherein the right side plate of the drum box enters the clamping space formed between a part of the conductive element and the housing.

[0025] In some embodiments, the drum box further includes a drum box protrusion extending to the right from the right side plate of the drum box and a power receiver exposed outward through the drum box protrusion, the power receiver being used to receive power from the imaging device;

[0026] The conductive component also includes a connecting part and a power supply part. The power supply part is used to supply power directly or indirectly to the developing roller, and the connecting part connects the power receiving part and the power supply part.

[0027] Along a second direction intersecting the first direction, the developing roller is located in front, and at least a portion of the connecting part is located behind the power receiving element.

[0028] In some embodiments, the connecting portion includes at least one bend.

[0029] In some embodiments, the connecting portion includes a first sub-portion, a second sub-portion, and a third sub-portion, wherein the first sub-portion is connected to the power supply portion, the second sub-portion links the first sub-portion and the third sub-portion, the third sub-portion is connected to the power receiving portion, a bend is formed between the first sub-portion and the second sub-portion, and a bend is also formed between the second sub-portion and the third sub-portion.

[0030] In some embodiments, along a first direction, at least a portion of the first sub-part is opposite to the housing, the second sub-part extends from the first sub-part in a direction away from the housing, and the third sub-part extends from the second sub-part in a direction away from the first sub-part.

[0031] In some embodiments, the developing cartridge further includes a powder feeding roller rotatably disposed in the housing and a powder discharging blade fixedly mounted on the housing. The powder feeding roller is used to supply toner stored in the housing to the developing roller, and the powder discharging blade is used to adjust the amount of toner carried by the developing roller.

[0032] The imaging device is equipped with a first power output unit for supplying power to the developing roller and a second power output unit for supplying power to the powder feeding roller;

[0033] The conductive component is used to receive power from either the first power output component or the second power output component, and to supply the power to the powder discharge blade and the powder feeding roller, which in turn supply the power to the developing roller.

[0034] In some embodiments, the power receiving unit and the developing housing are located on opposite sides of the right side plate of the drum cartridge.

[0035] In some embodiments, in a first direction, the power receiving portion is further away from the developing housing than the drum protrusion / power receiving element.

[0036] In some embodiments, along a first direction, a force receiving member extends from at least one of the end cap and the developing housing.

[0037] This application also provides a developer cartridge assembly, which includes a protective cover and a developer cartridge of any of the above-mentioned types, wherein the protective cover and the developer cartridge are detachably combined.

[0038] In some embodiments, the protective cover includes a cover body, a first side portion and a second side portion, the cover body extending along a first direction, the first side portion and the second side portion being located on both sides of the cover body, forming a protective space between them;

[0039] When the protective cover is installed on the developing cartridge, at least a portion of the housing is located in the protective space, the cover protects at least the developing roller, and the first and second side portions protect the two ends of the developing cartridge, respectively.

[0040] In some embodiments, a first side portion is formed with a first protective cavity facing the protective space opening and a first limiting protrusion located in the first protective cavity, and a second side portion is formed with a second protective cavity facing the protective space opening and a second limiting protrusion located in the second protective cavity;

[0041] The chip assembly includes a mounting bracket for supporting the electrical contacts;

[0042] When the protective cover is installed in the developing cartridge, the cover is located in front of the developing roller. Along the first direction, the mounting bracket abuts against the side wall of the first side and the first limiting protrusion, the force receiving member abuts against the side wall of the second side, and the conductive member abuts directly or indirectly against the second limiting protrusion.

[0043] In some embodiments, a portion of the first side extends to the rear of the chip assembly, and a portion of the second side extends to the rear of the force receiver and the conductive element.

[0044] In some embodiments, at least one of the first side portion and the second side portion is connected to the cover via a deformable portion.

[0045] The developing cartridge provided by this utility model eliminates the need for a stirring rack by tilting the lower side plate of the housing relative to the second direction, thereby saving manufacturing costs. At the same time, by setting the projection of the welding surface of the developing cartridge and the first driving force receiving component in the first direction to be non-overlapping, the situation where the driving force receiving component affects the welding surface when receiving driving force can be avoided, thereby further improving the overall quality of the developing cartridge and extending its service life. Attached Figure Description

[0046] Figure 1A and Figure 1B This is a perspective view of the developing cartridge involved in Embodiment 1 of this utility model.

[0047] Figure 2 This is an exploded view of the driving end of the developing cartridge after it has been separated from the housing, according to Embodiment 1 of this utility model.

[0048] Figure 3A This is a side view of the developing cartridge with the drive end cover hidden, as viewed along the first direction, according to Embodiment 1 of this utility model.

[0049] Figure 3B This is a side view of the developing cartridge with the drive end cover hidden after installation, as viewed from a third direction, according to Embodiment 1 of this utility model.

[0050] Figure 4 This is an exploded schematic diagram of the conductive end of the developing cartridge after it has been separated from the housing, according to Embodiment 1 of this utility model.

[0051] Figure 5 This is a side view of the developing cartridge involved in Embodiment 1 of this utility model, viewed along the first direction.

[0052] Figure 6A This is a top view of the powder-discharging knife according to Embodiment 1 of this utility model, viewed along the second direction.

[0053] Figure 6B This is a side view of the powder-discharging blade and the developing roller in Embodiment 1 of this utility model, viewed along the first direction.

[0054] Figure 7 This is a top view of the powder-discharging knife according to Embodiment 2 of this utility model, viewed along the second direction.

[0055] Figure 8 This is a perspective view of the conductive end of the developing cartridge according to Embodiment 2 of this utility model.

[0056] Figure 9 This is a perspective view of the developing cartridge after the support, conductive parts and shell are separated, according to Embodiment 3 of this utility model.

[0057] Figure 10This is a perspective view of the powder-discharging blade involved in Embodiment 4 of this utility model.

[0058] Figure 11 This is a side view of the relative positions of the powder discharge blade, the developing roller, and the first transfer member in the developing cartridge according to Embodiment 4 of this utility model, when viewed from right to left along the first direction.

[0059] Figure 12 This is a perspective view of the developing cartridge according to Embodiment 5 of this utility model, after the powder ejector blade has been separated from the housing.

[0060] Figure 13 This is a perspective view of the powder-discharging blade involved in Embodiment Six of this utility model.

[0061] Figure 14 This is a perspective view of a modified structure of the powder-discharging blade according to Embodiment Six of this utility model.

[0062] Figure 15 This is a diagram showing the state of the developing cartridge when it is installed in the drum cartridge according to Embodiment 7 of this utility model.

[0063] Figure 16 This is a perspective view of the developing cartridge involved in Embodiment 7 of this utility model.

[0064] Figure 17 This is a side view of the developing cartridge according to Embodiment 7 of this utility model, viewed along the first direction.

[0065] Figure 18 This is a perspective view of the conductive end of the assembly formed after the developing cartridge is installed into the drum cartridge, according to Embodiment 7 of this utility model.

[0066] Figure 19 This is a side view of the developing cartridge according to Embodiment 7 of this utility model, viewed along the first direction after it has been installed into the drum cartridge.

[0067] Figure 20 and Figure 21 This is a diagram showing the state of the developing cartridge and protective cover after separation, according to Embodiment 8 of this utility model.

[0068] Figure 22 It is along Figure 21 A cross-sectional view after being cut along the BB direction.

[0069] Figure 23 This is a perspective view of the developing cartridge and drum cartridge after they have been separated, which are related to this utility model.

[0070] Figure 24 This is a perspective view of the developing cartridge involved in Embodiment Nine of this utility model.

[0071] Figure 25This is a perspective view of the detection device and drive source combined when the developing cartridge according to Embodiment 9 of this utility model is installed in the drum cartridge.

[0072] Figure 26 This is a perspective view of the detection device and drive source of the developing cartridge according to Embodiment 10 of this utility model.

[0073] Figure 27 This is a perspective view of the triggering element in the developing cartridge of the imaging device triggering the triggered element in the developing cartridge when the developing cartridge is installed in the drum cartridge according to Embodiment 10 of this utility model.

[0074] Figure 28 This is a diagram showing the separation of the detection device, drive source, and developing housing in the developing cartridge according to Embodiment Eleven of this utility model.

[0075] Figure 29 This is a perspective view of the detection device and drive source combined in the developing cartridge according to Embodiment Twelve of this utility model.

[0076] Figure 30 This is a state diagram of the detection unit in the detection device of the developing cartridge according to Embodiment Twelve of this utility model when it is in the first position.

[0077] Figure 31 This is a state diagram of the detection unit in the detection device of the developing cartridge according to Embodiment Twelve of this utility model when it is in the second position.

[0078] Figure 32 This is a diagram showing the state of the developing cartridge and the photosensitive drum in contact, according to Embodiment Thirteen of this utility model.

[0079] Figure 33 This is a side view of the developing cartridge according to Embodiment Thirteen of this utility model, viewed from the conductive end along the first direction.

[0080] Figure 34 This is a side view taken along the first direction after cutting the developing cartridge according to Embodiment Thirteen of this utility model in the front-back direction.

[0081] Figure 35 This is a side view of the developing cartridge according to Embodiment Thirteen of this utility model, viewed from the drive end along the first direction. Detailed Implementation

[0082] The embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0083] [Example 1]

[0084] The developing cartridge 100 can be detachably installed into an imaging device equipped with a device-side detection element 90. In other words, the developing cartridge 100 is suitable for use in an imaging device equipped with a device-side detection element 90. The developing cartridge 100 can be formed as an "integrated" structure that includes both a developing roller and a photosensitive drum, or as a "separate" structure that includes a developing roller but not a photosensitive drum. Regardless of the form of the developing cartridge 100, it can be detachably installed into the imaging device directly or indirectly. For example, the developing cartridge 100 can be first installed into the drum housing, and then the combination of the developing cartridge 100 and the drum housing can be detachably installed into the imaging device. Alternatively, the developing cartridge 100 can be detachably installed into the imaging device directly.

[0085] like Figure 1A , Figure 1B , Figure 2 , Figure 3A , Figure 3B , Figure 4 , Figure 5 , Figure 6A and Figure 6B As shown, the developing cartridge 100 includes a developing housing 1 (hereinafter referred to as "housing 1"), a rotating member 2, a first driving force receiving member 3, and a detection device 30. The developing housing 1 forms a cavity 10 for containing toner. The rotating member 2 is rotatably disposed in the developing housing 1. The first driving force receiving member 3 is used to receive driving force from the imaging device to drive the rotating member 2 to rotate. The detection device 30 is used to interact with the object being detected so that various parameter information of the developing cartridge 100 can be obtained by the imaging device, such as whether the developing cartridge 100 is installed, the model of the developing cartridge 100, and the service life of the developing cartridge 100. Furthermore, the developing cartridge 100 also includes an end cap 11 connected to the developing housing 1 and a handle (grip) 12. The user can install and remove the developing cartridge 100 by operating the handle 12.

[0086] Both the rotating component 2 and the detection device 30 are used to directly or indirectly receive the driving force from the first driving force receiving component 3. That is, the first driving force receiving component 3 supplies the driving force it receives directly or indirectly to the rotating component 2 and the detection device 30, causing the rotating component 2 and the detection device 30 to work. In this embodiment, the first driving force receiving component 3 has an exposure hole 112 provided in the end cover 11 (e.g., ...). Figure 2 As shown, the developing cartridge 100 is also provided with a driving force transmission assembly 6, which is used to transmit the driving force of the first driving force receiving member 3 to the rotating member 2 and the detection device 30 respectively.

[0087] The rotating component 2 includes a developing roller 21, a powder feeding roller 22, and a stirring frame 23. The powder feeding roller 22 contacts the developing roller 21 and is used to supply toner to the developing roller 21. The stirring frame 23 is used to stir the toner. When the first driving force receiving component 3 receives the driving force and rotates around the rotation axis L3, the developing roller 21, the powder feeding roller 22, and the stirring frame 23 rotate around their respective rotation axes. The rotation axis of the developing roller 21 is L1, and the rotation axis of the stirring frame 23 is L23. The rotation axes L1, L3, and L23 are parallel to each other.

[0088] To make the following description clearer, the extension direction of the rotation axis L1 is defined as the first direction, the direction intersecting the first direction is defined as the second direction, and the direction intersecting both the first and second directions is defined as the third direction. Preferably, the first, second, and third directions are orthogonal. As shown in the figure, along the second direction, the developing roller 21 and the handle 12 are located at both ends of the developing housing 1. When the developing cartridge 100 is installed toward the drum or imaging device, the developing roller 21 is located in front of the installation direction, and the handle 12 is located behind the installation direction. Therefore, the second direction can also be regarded as the installation direction. Along the first direction, the first driving force receiving member 3 is located at one end (driving end) of the developing housing 1. The detection device 30 can be located at the same end of the developing housing 1 as the first driving force receiving member 3, or at both ends of the developing housing 1. The following example shows that the detection device 30 and the first driving force receiving member 3 are located on the same side.

[0089] The developing cartridge 100 also includes a toner dispensing blade 7 and a conductive element 5. The toner dispensing blade 7 is fixedly installed on the developing housing 1 and contacts the outer surface of the developing roller 21 to adjust the amount of toner carried by the developing roller 21. The conductive element 5 is directly or indirectly installed on the developing housing 1 to receive power from the imaging device and supply it to the developing roller 21 and / or the toner feeding roller 22.

[0090] Furthermore, along the first direction, the first driving force receiving element 3 and the conductive element 5 are located at both ends of the developing housing 1, so the end where the conductive element 5 is located can be called the conductive end (non-driving end). The driving end is defined as the left side of the developing cartridge 100, and the conductive end is the right side of the developing cartridge 100. When the developing cartridge 100 is installed in the imaging device, the direction of gravity of the developing cartridge 100 is downward and upward, respectively. Along the third direction, at least a portion of the powder discharge blade 7 is located above the rotation axis L1.

[0091] Furthermore, along the first direction, the developing housing 1 has a left side wall 1a and a right side wall 1b that are separated from each other, the cavity 10 is located between the left side wall 1a and the right side wall 1b, the driving force transmission assembly 6 is directly or indirectly mounted on the left side wall 1a, and the conductive element 5 is directly or indirectly mounted on the right side wall 1b.

[0092] (Drive force transmission component)

[0093] like Figure 2 As shown, along the first direction, the end cap 11 is further away from the housing 1 than at least a portion of the driving force transmission assembly 6, and at least a portion of the driving force transmission assembly 6 is covered by the end cap 11; the driving force transmission assembly 6 includes a first transmission member 61, a second transmission member 62, a third transmission member 63, a fourth transmission member 64, and a fifth transmission member 65, wherein the first transmission member 61 is coaxially arranged with the first driving force receiving member 3, the second transmission member 62 is coaxially arranged with the developing roller 21, the third transmission member 63 is coaxially arranged with the powder feeding roller 22, the fifth transmission member 65 is coaxially arranged with the stirring frame 23, the fourth transmission member 64 is located between the first transmission member 61 and the fifth transmission member 65, and the fourth transmission member 64 is simultaneously connected with the first transmission member 61 and the fifth transmission member 65, and the fifth transmission member 65 is used for detection. When the device 30 is engaged, the driving force received by the first driving force receiver 3 is sequentially transmitted to the detection device 30 through the first transmission member 61, the fourth transmission member 64, and the fifth transmission member 65. At least one of the second transmission member 62 and the third transmission member 63 is engaged with the first transmission member 61 to receive the driving force from the first driving force receiver 3. When one of the second transmission member 62 and the third transmission member 63 is engaged with the first transmission member 61, the second transmission member 62 and the third transmission member 63 can transmit the driving force by engaging with each other. When the second transmission member 62 and the third transmission member 63 are engaged with the first transmission member 61 at the same time, the driving force can be directly transmitted to the second transmission member 62 and the third transmission member 63. Finally, the developing roller 21, the powder feeding roller 22, and the stirring frame 23 are all driven.

[0094] In some embodiments, the third transfer member 63 is shielded by the end cap 11 and is not exposed. In this case, the third transfer member 63 is located between the housing 1 and the end cap 11 and is protected.

[0095] In some embodiments, the first transfer member 61 includes a first small-diameter portion 611 and a first large-diameter portion 612 coaxially arranged, the diameter of the first small-diameter portion 611 being smaller than the diameter of the first large-diameter portion 612, and the first small-diameter portion 611 being further away from the developing housing 1 / cavity 10 / conductive end than the first large-diameter portion 612 along the first direction; the fourth transfer member 64 includes a second small-diameter portion 641 and a second large-diameter portion 642 coaxially arranged, the diameter of the second small-diameter portion 641 being smaller than the diameter of the second large-diameter portion 642; the fifth transfer member 65 is coupled to the second small-diameter portion 641, and the second small-diameter portion 641 being further away from the developing housing 1 / cavity 10 / conductive end than the second large-diameter portion 642 along the first direction; the fifth transfer member 65 is provided with an active part 650 for driving the detection device 30.

[0096] As shown above, the first large diameter portion 612 is closer to the developing housing 1 / cavity 10 / conductive end than the first small diameter portion 611, and the second large diameter portion 642 is closer to the developing housing 1 / cavity 10 / conductive end than the second small diameter portion 641. This design helps to reduce the possible shaking of the first transmission member 61 and the fourth transmission member 64, thereby improving the stability of the driving force transmission of the drive transmission assembly 6.

[0097] like Figure 3B As shown, along the first direction, the fifth transfer member 65 is no closer to the developing housing 1 than the fourth transfer member 64 and / or the first transfer member 61. That is, along the first direction, the fifth transfer member 65, the fourth transfer member 64, and the first transfer member 61 are at the same distance from the developing housing 1; or, the fifth transfer member 65 is at a greater distance than the fourth transfer member 64 and / or the first transfer member 61; or, the fifth transfer member 65 is at a distance no less than the fourth transfer member 64 and / or the first transfer member 61. Since the outer surface of the first sidewall 1a is not a plane, to more clearly demonstrate the distances... Figure 3B A reference surface D is introduced, which is parallel to the second direction and also passes through the cavity 10. Along the first direction, the distance between the position of the fifth transfer member 65 furthest from the developing housing 1 and the reference surface D is h1, the distance between the position of the fourth transfer member 64 (second small diameter portion 641) furthest from the developing housing 1 and the reference surface D is h2, and the distance between the position of the first transfer member 61 (first small diameter portion 611) furthest from the developing housing 1 and the reference surface D is h3, satisfying h1≥h2 and h1≥h3. This arrangement can effectively avoid interference between the fifth transfer member 65 and the fourth transfer member 64 or between the fifth transfer member 65 and the first transfer member 61. On the other hand, it can give the movable member / drive part 31, which will be described later, a larger range of motion. At the same time, the movable member / drive part 31 can also be effectively protected by the fifth transfer member 65 to prevent the movable member / drive part 31 from falling off.

[0098] (Detection device)

[0099] like Figure 2 As shown, the detection device 30 includes a detection element (also known as a detection unit) 32, a movable element (also known as a driving unit) 31, a second pushing element 33, and a reset element 34. Under the action of the reset element 34, the detection element 32 can reciprocate along a direction intersecting the first direction. The movable element 31 is driven by the fifth transmission element 65 to transmit the driving force to the detection element, thereby forcing the detection element 32 to interact with the detected element. The second pushing element 33 is used to push the movable element 31 toward a state in which the driving force transmission is disconnected from the detection element 32.

[0100] In one embodiment, the detection element 32 is movably mounted on the end cap 11, as shown in the figure. The end cap 11 includes an end cap body 111, an exposure hole 112, and a guide portion 113. Along a first direction, the exposure hole 112 passes through the end cap body 111, and the guide portion 113 is used to guide the detection element 32. Preferably, the guide portion 113 is a groove provided on the end cap body 111, and the reset element 34 is an elastic element installed in the groove 113. When the detection element 32 is driven to move by the movable element 31, the reset element 34 undergoes elastic deformation. When the detection element 32 is no longer driven by the movable element 31, the reset element 34 releases the elastic force, so that the detection element 32 is reset.

[0101] In one embodiment, the guide portion 113 may also be a protrusion provided on the end cap body 111, and correspondingly, the detection element 32 is provided with a groove for cooperating with the protrusion.

[0102] The movable component 31 includes a movable body 311 and a driven part 312 and a driving part 313 respectively connected to the movable body 311. Both the driven part 312 and the driving part 313 protrude from the movable body 311. The driven part 312 is used to combine with the active part 650 to receive the driving force transmitted by the fifth transmission member 65. The driving part 313 is used to transmit the driving force to the detection member 32, so that the detection member 32 can move along a predetermined trajectory, thereby the detection member 32 interacts with the detected member.

[0103] Specifically, the movable member 31 is configured to move between a position close to the developing housing 1 and a position far away from the developing housing 1. More specifically, the movable member 31 is configured to move in a direction parallel to the first direction. For example, before the detection device 30 / detector 32 completes its interaction with the device-side detection member 90, the movable member 31 is located at a position far away from the developing housing 1. At this time, the movable member 31 can transmit driving force to the detection device 30 / detector 32. After the detection device 30 / detector 32 completes its interaction with the detected object, under the action of the second pushing member 33, the movable member 31 moves to a position close to the developing housing 1. At this time, the movable member 31... The driving force transmission between the movable member 31 and the detection device 30 / detector 32 is disconnected; in some embodiments, the movement process of the movable member 31 can also be reversed, that is, before the detection device 30 / detector 32 and the detected object have finished interacting, the movable member 31 is located in a position close to the developing housing 1. At this time, the movable member 31 can transmit the driving force to the detection device 30 / detector 32. After the detection device 30 / detector 32 and the detected object have finished interacting, under the action of the second pushing member 33, the movable member 31 moves to a position far away from the developing housing 1. At this time, the driving force transmission between the movable member 31 and the detection device 30 / detector 32 is disconnected.

[0104] In some embodiments, the developing cartridge 100 further includes a support column 13 protruding from the left side wall 1a. The movable member 31 is supported by the support column 13. A mating groove 314 may be provided in the movable member 31. Correspondingly, a mating protrusion 132 that can engage with the mating groove 314 is provided on the support column 13. When the movable member 31 is in a far-away position, the mating groove 314 does not engage with the mating protrusion 132. When the detection device 30 / detector 32 interacts with the detected object, the mating protrusion 132 enters the mating groove 314 and completes the engagement under the action of the second pushing member 33, and the movable member 31 reaches the close position. Conversely, the positions of the mating protrusion 132 and the mating groove 314 can also be interchanged.

[0105] In some embodiments, the detection element 32 is provided with a driven part 321 and an actuating part 322. The driven part 313 actuates the driven part 321, and the driving force is transmitted to the detection element 32. When the detection element 32 is driven, the actuating part 322 can interact with the device-side detection element 90.

[0106] (Conductive component)

[0107] The conductive element 5 is used to receive power from the imaging device to supply it directly or indirectly to the developing roller 21, such as... Figure 4 As shown, the conductive component 5 includes a power receiving part 51, a power supply part 52, and a connecting part 53. The power receiving part 51 is used to receive power from the imaging device. Through the connecting part 53, the power is transmitted to the power supply part 52, and then the power supply part 52 supplies the power to at least one of the developing roller 21 and the powder feeding roller 22.

[0108] The developing roller 21 includes a developing roller shaft 212 and a developing layer 211 covering the outside of the developing roller shaft 212. The developing layer 211 is used to carry toner. The toner feeding roller 22 includes a toner feeding roller shaft 222 and a toner feeding layer 221 covering the outside of the toner feeding roller shaft 222. The toner feeding layer 221 is used to supply toner to the developing layer 211. Generally, both the developing roller shaft 212 and the toner feeding roller shaft 222 are made of metal to reduce the delay in the transmission of driving force in the developing roller 21 and the toner feeding roller 22. Therefore, in some embodiments, the developing roller shaft 212 and the toner feeding roller shaft 222 can also be made of non-metal, or in other words, the developing roller shaft 212 and the toner feeding roller shaft 222 are non-conductive. In this case, the power supply unit 52 can directly supply power to the developing layer 211 and / or the toner feeding layer 221. Figure 4 As shown, the support hole in the developing housing 1 for supporting the developing roller shaft 212 and the support hole in the powder feeding roller shaft 222 are not connected.

[0109] Generally, imaging equipment is provided with a first power output unit for supplying power to the developing roller 21 and a second power output unit for supplying power to the powder feeding roller 22. The voltage output by the second power output unit is higher than the voltage output by the first power output unit. In this embodiment, the power receiving unit 51 is configured to contact the second power output unit and receive the voltage output by the second power output unit. The power supply unit 52 is in contact with the developing roller shaft 212. Preferably, the power supply unit 52 is in contact with the end face of the developing roller shaft 212.

[0110] like Figure 5 As shown, when viewed from right to left along the first direction, the conductive element 5 is located outside the projection range of the first driving force receiver 3. This design can effectively reduce the impact of the vibration generated by the first driving force receiver 3 during rotation on the conductive element 5. In particular, the vibration generated by the first driving force receiver 3 is greater at the moment it is driven, but the conductive element 5 is not located within the projection range of the first driving force receiver 3. Thus, the power receiving part 51 can not only maintain stable contact with the second power output part, but the power supply part 53 can also maintain stable contact with the developing roller shaft 212.

[0111] (Dispense powder)

[0112] The toner ejector 7 includes a blade holder 71 and a blade 72, both extending along a first direction. The blade 72 is fixedly mounted on the blade holder 71 and is used to contact the developing roller 21 (developing layer 211) to adjust the thickness of the toner layer on the surface of the developing roller 21 (developing layer 211). Commonly, the blade 72 can be connected to the blade holder 71 by bonding, welding, or other methods. Figure 6A and Figure 6B As shown, the blade 72 is welded to the tool holder 71, and multiple welded parts 74 are formed between the blade 72 and the tool holder 71.

[0113] Furthermore, the powder ejector 7 also includes at least one mounting portion 73 provided on the blade holder 71. The powder ejector 7 is fixedly mounted via the mounting portion 73. Specifically, a screw, acting as a mounting element, passes through the mounting portion 73, allowing the powder ejector 7 to be fixedly mounted on the developing housing 1. Preferably, the powder ejector 7 is provided with two mounting portions 73, located at opposite ends of the powder ejector 7 in the first direction, and each mounting portion 73 is configured as a mounting hole. In the third direction (a direction intersecting both the first direction and the blade thickness direction), the blade holder 71 has mutually spaced... The blade 72 has a first end 71a and a second end 71b, and a third end 72a and a fourth end 72b spaced apart from each other. The second end 71b is located between the third end 72a and the fourth end 72b, and the third end 72a is located between the first end 71a and the second end 71b. Along the third direction, the first end 71a is farther away from the rotation axis L1 than the second end 71b, and the third end 72a is farther away from the rotation axis L1 than the fourth end 72b.

[0114] A bonding area S is formed between the second end 71b and the third end 72a. The bonding area S is located on at least one of the tool holder 71 and the blade 72. The blade 72 and the tool holder 71 are bonded within the bonding area S. Along the third direction, the mounting part 73 and the welding part 74 are both located within the bonding area S. For example, at least one of the second end 71b and the third end 72a is flush with the mounting part 73. When viewed along the second direction, the mounting part 73 can be circular or elliptical. In this case, the second end 71b and the third end 72a will be tangent to the mounting part 73.

[0115] In some embodiments, the mounting part 73 passes through both the blade 72 and the blade holder 71, so that the blade 72 can be further secured.

[0116] In some embodiments, the third end 72a is further away from the developing roller 21 / rotation axis L1 than the mounting portion 73, or in other words, the third end 72a is further away from the second end 71b than the mounting portion 73, thereby maximizing the area of ​​the bonding region S and allowing the blade 72 to be supported more stably by the blade holder 71.

[0117] The structure of the powder-discharging blade 7 involved in this embodiment has also been changed, such as... Figure 8 As shown, in the powder-discharging blade 7 of this embodiment, along the first direction, the two ends of the blade 72 are respectively provided with a first notch 721 and a second notch 722. Neither of the two mounting parts 73 passes through the first notch 721 and the second notch 722. At this time, the mounting part 73 will only pass through the blade holder 71. Along the third direction, the mounting part 73 is still located in the joint area S.

[0118] [Example 2]

[0119] Based on the inventive concept of the above embodiments, this embodiment focuses on changing the structure of the developing roller 21 receiving electricity and the structure of the conductive component 5.

[0120] In the above embodiment, the developing roller shaft 212 and the powder feeding roller shaft 222 respectively pass through the right side wall 1b and are exposed to the right. In this way, the conductive element 5 can directly contact the developing roller shaft 212 and / or the powder feeding roller shaft 222 on the right side of the right side wall 1b to transmit electricity. However, since the developing roller shaft 212 and the powder feeding roller shaft 222 also need to pass through the left side wall 1a to receive the driving force, the developing roller 21 and the powder feeding roller 22 are prone to swerving in the left-right direction / first direction. Therefore, in this embodiment, at least one of the developing roller shaft 212 and the powder feeding roller shaft 222 is set not to pass through the right side wall 1b to reduce or eliminate the amount of swerving of the developing roller 21 and the powder feeding roller 22 in the left-right direction. Preferably, along the first direction, the position of the right side wall 1b corresponding to the developing roller shaft 212 and / or the position of the right side wall 1b corresponding to the powder feeding roller shaft 222 is in a closed state. At this time, the user cannot observe the developing roller shaft 212 and / or the powder feeding roller shaft 222 along the first direction.

[0121] Figure 8 The diagram shows a structure in which neither the developing roller 21 nor the powder feeding roller 22 passes through the right side wall 1b. The developing cartridge 100 also includes a first support portion 1c and a second support portion 1d disposed on the right side wall 1b. The first support portion 1c is used to support the powder feeding roller shaft 222, and the second support portion 1d is used to support the developing roller shaft 212. Specifically, the first support portion 1c and the second support portion 1d can be a groove disposed on the right side wall 1b, or a protrusion protruding from the right side wall 1b to the left / conductive end (in the direction of the cavity 10).

[0122] Furthermore, in order to reduce the wear of the first support portion 1c and the second support portion 1d, the developing cartridge 100 also includes a first bushing 223 and a second bushing 213 respectively installed in the first support portion 1c and the second support portion 1d. The powder feeding roller shaft 222 is supported by the first bushing 223, and the developing roller shaft 212 is supported by the second bushing 213.

[0123] Unlike the above embodiments, in this embodiment, the power supply unit 52 passes through or over the right side wall 1b to contact the developing roller shaft 212. At this time, the power supply unit 52 moves from the right side of the right side wall 1b to the left side of the right side wall 1b. The power supply unit 52 can contact the circumferential surface of the developing roller shaft 212 or the end face of the developing roller shaft 212. When the power supply unit 52 contacts the end face of the developing roller shaft 212, the second support unit 1d can also be provided with an inlet 1e to allow the power supply unit 52 to enter. Finally, along the first direction, the power supply unit 52 is clamped by the right side wall 1b and the end face of the developing roller shaft 212, and the power supply unit 52 can stably supply power to the developing roller shaft 212.

[0124] [Example 3]

[0125] As described above, the developing roller 21 is rotatably disposed in the developing housing 1. Specifically, the developing cartridge 100 also includes a bracket 8 disposed at a conductive end. The bracket 8 is fixedly connected to the developing housing 1, and the developing roller 21 is supported by the bracket 8. The conductive element 5 can be installed on the developing housing 1 or the bracket 8. At the same time, the conductive element 5 is also electrically connected to the developing roller 21.

[0126] In some embodiments, the conductive element 5 may be omitted. In this case, at least a portion of the support 8 is made of conductive material, that is, the developing roller 21 can receive power from the imaging device through the support 8. One end of the support 8 is used for electrical contact with the imaging device, and the other end is used for electrical contact with the developing roller 21.

[0127] In some embodiments, the support 8 is made of a non-conductive material, and the developing roller 21 still receives power from the imaging device through the conductive element 5.

[0128] The technical solution of this embodiment applies regardless of whether the support 8 is made of conductive or non-conductive material.

[0129] like Figure 9 As shown, the bracket 8 includes a support portion 81, a connecting portion 82, and a force-receiving portion 84. The support portion 81 and the force-receiving portion 84 are located at both ends of the connecting portion 82, respectively. The support portion 81 is used to support the developing roller 21, and the force-receiving portion 84 is used to receive the pushing force applied by the pushing mechanism in the drum box. The pushing force is then transmitted to the developing housing 1 through the bracket 8. Finally, the developing roller 21, which is rotatably disposed in the developing housing 1, maintains contact with the photosensitive drum in the drum box.

[0130] Similarly, the forced pushing mechanism 14 in this embodiment also includes a left forced pushing member 14L and a right forced pushing member 14R. The left forced pushing member 14L is the same as in embodiment four, and the right forced pushing member 14R can be regarded as a force-bearing part 84. That is to say, the right forced pushing member 14R in this embodiment is set on the bracket 8, thereby simplifying the structure of the bottom shell 1t and the top cover 1s.

[0131] In some embodiments, after receiving the thrust, the force-bearing part 84 can directly abut against the developing housing 1, and in this structure, the structural strength requirement of the support 8 can be reduced.

[0132] In some embodiments, the bracket 8 also includes a sealing part 83 for sealing the replenishment port 15. In this way, when the bracket 8 is installed to the developing housing 1, the replenishment port 15 can be sealed by the sealing part 83. Thus, it is not necessary to provide a separate seal for sealing the replenishment port 15. The sealing part 83 can be set at any position of the bracket 8, as long as the replenishment port 15 can be sealed by the sealing part 83.

[0133] In some embodiments, when the developing cartridge 100 is provided with a separate seal for sealing the replenishment port 15, the sealing part 83 will contact the seal, thereby allowing the bracket 8 to be positioned more stably, and correspondingly, the right forced push member 14R is also further positioned and less prone to shaking.

[0134] Furthermore, in this structure, when the force-receiving part 84 receives the thrust, the thrust can also be transmitted through the sealing part 83 abutting against the housing forming the replenishment port 15. In this way, the thrust transmitted to the developing roller 21 through the support part 81 can be reduced, which helps to prevent the thrust from being too large, causing the developing roller 21 to move relative to the developing housing 1, thereby causing the toner to leak from between the developing roller 21 and the developing housing 1.

[0135] In some embodiments, when the replenishment port 15 is provided at the drive end, the left forced pusher 14L can be provided on the seal for sealing the replenishment port 15, and correspondingly, the right forced pusher 14R is provided on the faceplate 1s.

[0136] In some embodiments, the housing 1 includes a bottom shell 1t and a top cover 1s that are joined together in a third direction, forming the cavity 10 between them. The stirring rack 23 is rotatably disposed in the cavity 10. Specifically, the stirring rack 23 is rotatably disposed in the bottom shell 1t. In some embodiments, the developing roller 21 and the powder feeding roller 22 are also rotatably disposed in the bottom shell 1t.

[0137] Generally, the bottom shell 1t and the top cover 1s can be joined by welding, snap-fitting, gluing or other methods. When the bottom shell 1t and the top cover 1s are joined by welding, the welded surface formed by welding the bottom shell 1t and the top cover 1s is located on at least one bottom shell sidewall that encloses the cavity 10. In the third direction, the welded surface does not coincide with the drive component 3.

[0138] [Example 4]

[0139] Based on the inventive concept of the above embodiments, this embodiment continues to describe the structure of the powder knife 7, as follows: Figure 10 As shown, the blade holder 71 in this embodiment includes a first part 711 and a second part 712 connected to each other. The blade 72 includes a pressing part 721 and an extension part 722 connected to each other. The pressing part 721 is used to contact the surface of the developing roller 21, and the pressing part 721 is connected to the first part 711. In other words, the pressing part 721 is fixedly installed on the first part 711, and the extension part 722 is located at the fourth end 72b.

[0140] like Figure 11As shown, the first part 711 and the second part 712 are not parallel to each other. Therefore, a bending part 713 will be formed between the first part 711 and the second part 712, which can improve the overall strength of the blade holder 71. When viewed along the first direction, the bending part 713 is located outside the projection range of the driving force receiver 3, or in other words, the projection of the driving force receiver 3 does not pass through the bending part 713. This structural design can reduce the impact of the vibration of the driving force receiver 3 on the bending part 713. As a result, the powder ejection blade 7 can be more stable during the development process of the developing cartridge 100.

[0141] The first part 711 and the second part 712 are L-shaped. When viewed along the first direction, the edge of the blade holder 71 will form a surface M that is perpendicular to the rotation axis L2 of the first driving force receiver 3 / first transmission member 61. The surface M is generally square or rectangular, and the rotation axis L2 does not pass through the surface M, or in other words, the rotation axis L2 is located outside the surface M. This arrangement helps to reduce the impact of the vibration generated by the first driving force receiver 3 during operation on the powder discharge blade 7 / blade holder 71. As a result, the powder discharge blade 7 can be more stably fixed on the developing housing 1.

[0142] In some embodiments, the first driving force receiver 3 and / or the first transmission member 61 do not pass through the bending portion 713 along the first direction. That is, the projection of the first driving force receiver 3 and / or the projection of the second transmission member 61 do not overlap with the projection of the bending portion 713 in the first direction, which can further reduce the impact of the vibration generated by the first driving force receiver 3 during operation on the powder discharge knife 7 / knife holder 71.

[0143] In some implementations, such as Figure 11 As shown, along the second direction, the second portion 712 is closer to the axis of rotation L2 than the first portion 711. In other embodiments, along the second direction, the second portion 712 may also be positioned further away from the axis L2 than the first portion 711.

[0144] Furthermore, the extension 722 extends from the pressing part 721. Specifically, the extension 722 extends from the end of the pressing part 721 (referring to the above orientation, specifically the lower end of the pressing part 721). The provision of the extension 722 is beneficial to improving the strength of the blade 72. When viewed along the first direction, the included angle β formed between the extending direction of the pressing part 721 and the extending direction of the extension 722 is greater than 90°. This can reduce the force that the production equipment needs to apply when producing the powder blade, thereby reducing the energy consumption of the production equipment and reducing costs.

[0145] exist Figure 11 In the case of extension 722, the extension length does not exceed 3mm, and is preferably 0.5mm-2mm.

[0146] Furthermore, when viewed along the first direction, the blade 72 has a contact portion P for contacting the surface of the developing roller 21, and the pressing portion 721 has an upstream facing the rotation direction r of the developing roller ( Figure 11 The end face 723 (below the middle contact portion P) extends from the contact portion P in a direction away from the developing roller 21, and the surface N is a cross-section passing through the contact portion P. The included angle α formed between the end face 723 and the cross-section N is less than 90°.

[0147] [Example 5]

[0148] In this embodiment, as Figure 12 As shown, the second part 712 in the knife holder 71 is eliminated. Therefore, the knife holder 71 will only have the first part 711. Overall, the knife holder 71 is no longer L-shaped, but preferably I-shaped. The I-shaped knife holder 71 can also reduce the manufacturing steps and processes of the powder dispensing knife, thereby reducing costs.

[0149] To enhance the strength of the blade holder 71, the powder ejector blade 7 in this embodiment further includes at least one auxiliary mounting portion 75 disposed on the first portion 711. Correspondingly, the developing housing 1 is provided with a connecting portion 1j corresponding to the auxiliary mounting portion 75. In addition to being mounted to the developing housing 1 via the aforementioned mounting portion 73, the powder ejector blade 7 is also mounted to the developing housing 1 via the connection between the auxiliary mounting portion 75 and the connecting portion 1j. Along the first direction, the auxiliary mounting portion 75 is located between the two mounting portions 73.

[0150] In some embodiments, the auxiliary mounting part 75 can be configured as an auxiliary mounting hole, and the connecting part 1j can be configured as a connecting hole, so that the powder discharge knife 7 can be more stably fixed by passing screws through the auxiliary mounting hole 75 and the connecting hole 1j.

[0151] In some embodiments, the auxiliary mounting part 75 is still configured as an auxiliary mounting hole, and the connecting part 1j is configured as a connecting protrusion. In this structure, screws are not required, but the powder dispensing knife 7 is more stably fixed by the connection between the connecting protrusion 1j and the auxiliary mounting hole 75. Conversely, the auxiliary mounting part 75 can also be configured as a connecting protrusion, and the connecting part 1j can be configured as a connecting hole. Similarly, the powder dispensing knife 7 can be more stably fixed by the connection between the connecting protrusion and the connecting hole.

[0152] Preferably, along the first direction, a plurality of auxiliary mounting parts 75 are spaced apart on the tool holder 71.

[0153] [Example 6]

[0154] like Figure 13 and Figure 14As shown, the powder dispensing blade 7 in this embodiment does not include the second part 712. Similarly, in order to improve the strength of the blade holder 71, the powder dispensing blade 7 in this embodiment also includes a reinforcing member 76 installed on the blade holder 71.

[0155] In some embodiments, the reinforcement 76 and the blade 72 are mounted together on the same side of the tool holder 71 / first part 711.

[0156] In some implementations, such as Figure 13 As shown, the reinforcing members 76 are continuously arranged along the first direction. Under the premise of ensuring the strength of the tool holder 71, the reinforcing members 76 can also be intermittently arranged along the first direction. That is to say, multiple reinforcing members 76 are arranged on the tool holder 71 along the first direction.

[0157] In some embodiments, multiple reinforcing members 76 may also be arranged along the width direction (third direction) of the tool holder 71, such as... Figure 14 As shown, the two reinforcing members 76 are spaced apart along the width direction, and the two reinforcing members 76 can also be connected to each other in the width direction.

[0158] [Example 7]

[0159] like Figures 15-19 As shown, this embodiment focuses on describing the conductive element 5. The power supply unit 52 can also be used to supply the power received by the power receiving unit 51 to the powder discharge blade 7, and then the powder discharge blade 7 supplies the power to the developing roller 21 and / or the powder feeding roller 22. For example, the power supply unit 52 is in direct electrical contact with the powder discharge blade 7. Therefore, the power received by the power receiving unit 51 can be supplied to at least one of the developing roller 21, the powder feeding roller 22 and the powder discharge blade 7. That is, the conductive element 5 / power supply unit 52 directly or indirectly supplies the power supplied by the power output element in the imaging device to the developing roller 21.

[0160] In some embodiments, the conductive element 5 can also supply power to the powder feeding roller 22 and the powder exiting blade 7, and then the powder feeding roller 22 and the powder exiting blade 7 supply power to the developing roller 21.

[0161] The accompanying drawings of this embodiment show the structure in which the power supply unit 52 simultaneously supplies power to the developing roller 21 and the powder feeding roller 22. In this case, the power supply unit 52 includes a developing power supply unit 521 and a powder feeding power supply unit 522. The developing power supply unit 521 is used to supply power to the developing roller 21, and the powder feeding power supply unit 522 is used to supply power to the powder feeding roller 22. Specifically, the developing power supply unit 521 is in contact with the developing roller shaft 212, and the powder feeding power supply unit 522 is in contact with the powder feeding roller shaft 222.

[0162] In practice, the power receiving unit 51 in this embodiment can receive power (voltage) output from either the first power output unit or the second power output unit, and supply the power to the powder discharge blade and the powder feeding roller. For example, the power supply unit 52 directly contacts the powder discharge blade and the powder feeding roller, and then the powder discharge blade 7 and the powder feeding roller 22 supply the power to the developing roller 21.

[0163] like Figure 15 As shown, along the first direction, the drum housing 201 has a left drum box side plate 2011 and a right drum box side plate 2012 spaced apart. The left drum box side plate 2011 has a left side wall facing left, and the right drum box side plate 2012 has a right side wall 1210R facing right. When the developing cartridge 100 is installed in the drum housing 200, at least a portion of the developing cartridge 100 is located between the left drum box side plate 2011 and the right drum box side plate 2012.

[0164] In some embodiments, the drum housing 200 further includes a drum housing protrusion 2013 and a power receiver 125 for receiving power from the imaging device. The drum housing protrusion 2013 is formed by protruding to the right from the right side plate 2012 of the drum housing, and the power receiver 125 is exposed outward through the drum housing protrusion 2013, so that the power receiver 125 can receive power from the imaging device and supply it at least to the developing cartridge 100.

[0165] The developing cartridge 100 also includes an end support 1f disposed on the same side as the conductive element 5. At least a portion of the conductive element 5 is supported by the end support 1f. Preferably, the end support 1f is connected to the developing housing 1. The connection can be a fixed connection or a movable connection. When observed along the first direction, as shown... Figure 17 As shown, at least a portion of the end support 1f is located outside the outline of the developing housing 1, and at least a portion of the conductive element 5 is also located outside the outline of the developing housing 1.

[0166] Furthermore, the rotation axis L2 of the first driving force receiver 3 / first transmission member 61 does not pass through the power receiving unit 51. In this way, the impact of vibration generated when the first driving force receiver 3 / first transmission member 61 rotates on the electrical contact between the power receiving unit 51 and the power output member in the imaging device can be reduced, and the stability of the electrical contact can be improved.

[0167] Furthermore, the power receiving unit 51 is located outside the projection range of the first driving force receiving member 3 in the first direction. This design can also improve the stability of the electrical contact between the power receiving unit 51 and the power output member in the imaging device. Furthermore, the power receiving unit 51 is also located outside the projection range of the first transmitting member 61, thereby further improving the stability of the electrical contact between the power receiving unit 51 and the power output member in the imaging device.

[0168] In some embodiments, the end support 1f extends from the right side wall 1b of the housing in a direction away from the developing housing 1. Along the first direction, a portion of the end support 1f and the developing housing 1 are spaced apart to form a clamping space K, allowing a portion of the drum housing 201 to enter. Since the conductive member 5 is supported by the end support 1f, the clamping space K is also located between a portion of the conductive member 5 and the developing housing 1. More specifically, the clamping space K is located between the power receiving part 51 and the developing housing 1.

[0169] In some implementations, the end support 1f can be omitted when the strength of the conductive element 5 meets the design requirements.

[0170] like Figure 18 As shown, when the developing cartridge 100 is installed into the drum cartridge 200, the right side plate 2012 of the drum cartridge enters the clamping space K. Along the first direction, a portion of the conductive element 5 (e.g., the power receiving part 51) and the developing housing 1 are located on both sides of the right side plate 2012 of the drum cartridge, or in other words, the right side plate 2012 of the drum cartridge is clamped by a portion of the conductive element 5 (e.g., the power receiving part 51) and the developing housing 1. This structure can further improve the installation stability of the developing cartridge 100 in the drum cartridge 200.

[0171] Preferably, when the developing cartridge 100 is installed into the drum cartridge 200, along the first direction, the drum cartridge protrusion 2013 also enters the clamping space K. Compared to the right side plate 2012 of the drum cartridge, the drum cartridge protrusion 2013 is closer to a part of the conductive element 5 (e.g., the power receiving part 51). That is, in the first direction, a part of the conductive element 5 (e.g., the power receiving part 51) is further away from the developing housing 1 than the drum cartridge protrusion 2013 / power receiving part 125. The part of the conductive element 5 (e.g., the power receiving part 51) will directly make electrical contact with the power output element in the imaging device. In this way, it is not necessary to provide the power receiving part 125 in the drum cartridge 200. Thus, the structure of the drum cartridge 200 can be simplified, and furthermore, the drum cartridge 200 has wider versatility.

[0172] In some embodiments, the connecting portion 53 is formed by at least one bend, which not only allows for more stable installation of the conductive element 5, but also enables the developing cartridge 100 / processing cartridge with the conductive element 5 installed to be more easily installed into or removed from the imaging device, such as... Figures 17-19As shown, the connecting portion 53 includes a first sub-portion 531, a second sub-portion 532, and a third sub-portion 533. The first sub-portion 531 is connected to the power supply portion 52, the second sub-portion 532 connects the first sub-portion 531 and the third sub-portion 533, and the third sub-portion 533 is connected to the power receiving portion 51. A bend is formed between the first sub-portion 531 and the second sub-portion 532, and also between the second sub-portion 532 and the third sub-portion 533. Specifically, along the first direction, the first sub-portion 531... At least a portion of the first sub-part 531 is opposite to the developing housing 1. The second sub-part 532 extends from the first sub-part 531 in a direction away from the developing housing 1 (to the right). The third sub-part 533 extends from the second sub-part 532 in a direction away from the first sub-part 531 (downward). When the developing cartridge 100 is installed in the drum cartridge 200, at least a portion of the first sub-part 531 and at least a portion of the second sub-part 532 are located behind the right side wall 1210R (drum cartridge protrusion 2013) in the second direction.

[0173] According to the inventive concept of this utility model, the connecting part 53 may include one or more bends, as long as it can ensure that the conductive part 5 can be stably installed and that the developing cartridge 100 / processing cartridge with the conductive part 5 can be installed into the imaging device more smoothly.

[0174] like Figure 19 As shown, along the second direction, at least a portion of the connecting portion 53 is located behind the drum box protrusion 2013 / power receiver 125, so that the resistance from the imaging device to the assembly of the developing cartridge 100 and the drum box 200 can be reduced during the installation of the assembly toward the imaging device.

[0175] In some embodiments, the developing cartridge 100 further includes a force receiver 131. When the imaging device is not developing, the force-applying element in the imaging device applies a separation force to the force receiver 131, forcing the developing cartridge 100 and the drum cassette 200 to move relative to each other, thereby causing the developing roller 21 and the photosensitive drum to separate from each other, so as to prevent damage caused by long-term contact between the developing roller 21 and the photosensitive drum. Preferably, along the first direction, the force receiver 131 extends from at least one of the end cap 11 and the developing housing 1, and the force receiver 131 extends beyond the conductive element 5. That is, the free end (rightmost end) of the force receiver 131 is farther away from the developing housing 1 than the free end (rightmost end) of the conductive element 5. Therefore, the conductive element 5 can be protected by the force receiver 131.

[0176] [Example 8]

[0177] like Figures 20-22As shown, this utility model also provides a protective cover CS for adaptation to the developing cartridge 100. The protective cover CS is detachably installed on the developing cartridge 100. After the developing cartridge 100 is assembled, until the end user begins to use it, the protective cover CS can effectively protect the components in the developing cartridge 100. For ease of description, when the protective cover CS is installed on the developing cartridge 100, the whole formed by the developing cartridge 100 and the protective cover CS can be referred to as the developing cartridge assembly.

[0178] The protective cover CS includes a cover body CS1, a first side portion CS2, and a second side portion CS3. The cover body CS1 extends along a first direction. Along the first direction, the first side portion CS1 and the second side portion CS2 are located on opposite sides of the cover body CS1, forming a protective space B between them. Both the first side portion CS1 and the second side portion CS2 extend from the cover body CS1 along a direction intersecting the first direction. When the protective cover CS is installed in the developing cartridge 100, at least a portion of the developing housing 1 is located in the protective space B. The cover body CS1 at least protects the developing roller 21, and the first side portion CS1 and the second side portion CS2 protect the left and right ends of the developing cartridge 100, respectively.

[0179] In some embodiments, at least one of the first side portion CS1 and the second side portion CS2 is connected to the cover CS1 via a deformable portion CS4. In this way, the user can easily and quickly install and remove the protective cover CS through the deformable portion CS4. Specifically, the deformable portion CS4 is formed by cutting off a part of the side portion or a part of the cover CS1.

[0180] The first side portion CS2 has a first protective cavity CS21 open toward the protective space B, and the first side portion CS2 also includes a first limiting protrusion CS22 formed in the first protective cavity CS21. The second side portion CS3 has a second protective cavity CS31 open toward the protective space B, and the second side portion CS3 also includes a second limiting protrusion CS32 formed in the second protective cavity CS31.

[0181] Along the second direction, the first side CS2 extends further away from the housing CS1 than the second side CS3, so that the chip assembly 16 located at the rear end of the developing cartridge can be protected by the first side CS2. Figure 22As shown, when the protective cover CS is installed on the developing cartridge 100, a portion of the first side CS2 reaches the rear of the chip assembly 16, and a portion of the second side CS3 reaches the rear of the force receiver 131 and the conductive member 5. Along the first direction, at least a portion of the chip assembly 16 enters the first protective cavity CS21. The mounting bracket / chip holder 161 abuts against the side wall of the first side CS2 and the first limiting protrusion CS22, respectively. At least a portion of the force receiver 131, at least a portion of the conductive member 5, and at least a portion of the end support 1f all enter the second protective cavity CS31. The force receiver 131 abuts against the side wall of the second side CS3, and the conductive member 5 abuts against the second limiting protrusion CS32 through the end support 1f. At the same time, the cover CS1 is located in front of the developing roller 21. Finally, the developing cartridge 100 and the protective cover CS can be stably combined, and the two will not easily move relative to each other. All components of the developing cartridge 100 can be effectively protected by the protective cover CS.

[0182] When the end support 1f is not required, the second limiting protrusion CS32 will abut against the conductive element 5.

[0183] When the chip assembly 16 is not located at the driving end of the developing cartridge 100, but at the conductive end of the developing cartridge 100, or when the chip assembly 16 is not located at the left end of the developing cartridge 100, but at the right end of the developing cartridge 100, along the second direction, the second side CS3 will extend further away from the cover CS1 than the first side CS3. That is, along the second direction, the one corresponding to the chip assembly of the first side CS2 and the second side CS3 will extend further away from the cover than the one not corresponding to the chip assembly.

[0184] [Example 9]

[0185] The above embodiments describe the detection device 30 interacting with the device-side detection element 90 by receiving a driving force from the first driving force receiving element 3 through the driving force transmission component 6. However, the detection device 30 may also interact with the device-side detection element 90 without receiving a driving force from the first driving force receiving element 3. The following describes this embodiment. It should be understood that the technical solutions described in the above embodiments can also be used in the following embodiments.

[0186] [Processing Box]

[0187] The processing cartridge C can be detachably installed into an imaging device equipped with a device-side detection element 90. The processing cartridge C includes a developing cartridge 100 and a drum cartridge 200 that are detachably connected to each other. In practice, the processing cartridge C can be assembled outside the imaging device and then detachably installed into the imaging device. Alternatively, the drum cartridge 200 can be installed into the imaging device first, and then the developing cartridge 100 can be detachably installed toward the drum cartridge 200 / imaging device. Or, the drum cartridge 200 can be pre-installed in the imaging device, and the developing cartridge 100 can be detachably installed toward the drum cartridge 200 / imaging device.

[0188] Regardless of how the developing cartridge 100 is installed to the imaging device, the technical solutions involved in this embodiment are applicable. The following description takes the example of the developing cartridge 100 and the drum cartridge 200 being assembled outside the imaging device to form the processing cartridge C, and then the processing cartridge C being installed to the imaging device in a detachable manner.

[0189] like Figure 23 As shown, the drum cartridge 200 includes a drum housing 201 and a photosensitive drum 23 rotatably disposed in the drum housing 201. The photosensitive drum 23 rotates about a rotation axis L2 extending along a first direction by receiving a driving force from a second driving force receiver 200b disposed in the drum cartridge 200. The second driving force receiver 200b is coaxially disposed with the photosensitive drum 23 and is used to receive driving force from the imaging device. During imaging in the processing cartridge C / drum cartridge 200 / developing cartridge 100, the surface of the photosensitive drum 23 is first charged by a charging member (not shown). After being irradiated by a light beam carrying imaging information, an electrostatic latent image is formed on the surface of the photosensitive drum 23.

[0190] The drum cartridge 200 also includes a developer cartridge receiving portion 200a formed in the drum housing 201, to which the developer cartridge 100 is detachably mounted; for clarity in the following description, the end where the second driving force receiving member 200b is provided is defined as the driving end F, and the end opposite to the driving end F along the first direction is defined as the non-driving end E, that is, the driving end F and the non-driving end E are opposite in the first direction [developer cartridge]

[0191] like Figure 24 and Figure 25 As shown, the developing cartridge 100 also has a first direction, a second direction, and a third direction. Specifically, the developing cartridge 100 includes a developing housing 1, a developing roller 21 rotatably disposed in the developing housing 1, and a first driving force receiving member 3. The developing housing 1 is used to contain developer. Along the first direction, the first driving force receiving member 3 is disposed at one end of the developing housing 1 for receiving driving force from the imaging device. The developing roller 21 rotates about a rotation axis L1 extending along the first direction by receiving the driving force from the first driving force receiving member 3. The developing roller 21 is used to carry developer and supply developer to the photosensitive drum 23, so that the electrostatic latent image is developed.

[0192] Similar to the drum box 200, the developing box 100 has a first driving force receiving member 3 at one end as the driving end F, and the other end opposite to the driving end F along the first direction as the non-driving end E. The developing box 100 is installed and removed from the drum box 200 approximately along the second direction. Along the second direction, the developing roller 21 is located at one end of the developing housing 1.

[0193] [Detection device, drive device, and drive source]

[0194] Furthermore, the developing cartridge 100 also includes a detection device 30 for interacting with the device-side detection element 90 in the imaging device. Along the first direction, the detection device 30 and the first driving force receiving element 3 are respectively located at both ends of the developing housing 1. That is, the detection device 30 is not disposed on the same side as the first driving force receiving element 3. In this embodiment, the detection device 30 does not receive the driving force of the first driving force receiving element 3, but instead receives the driving force of a driving source 50 that is different from the first driving force receiving element 3. The driving source 50 can be disposed in the developing cartridge 100 or outside the developing cartridge 100.

[0195] It should be noted that the operation of the detection device 30 refers to the interaction between the detection device 30 and the device-side detection component 90 in the imaging equipment to meet the detection requirements of the imaging equipment.

[0196] In this embodiment, the drive source 50 is located outside the developing cartridge 100, such as... Figure 24 As shown, the developing cartridge 100 also includes a driving device 40 combined with the detection device 30. The driving device 40 is located between the driving source 50 and the detection device 30 and is used to transmit the driving force of the driving source 50 to the detection device 30. That is, the detection device 30 receives the driving force from the driving source 50, which is different from the first driving force receiving member 3, and interacts with the device-side detection member 90.

[0197] The detection device 30 can be set on the same side as the first driving force receiving member 3 or on both sides respectively. However, regardless of whether the detection device 30 is set on the same side as the first driving force receiving member 3, the structure of the detection device 30, the structure of the driving device 40, and the structure of the driving source 50 involved in the various embodiments of this utility model are all applicable. In the following text, along the first direction, the detection device 30 and the first driving force receiving member 3 are respectively set at both ends of the developing housing 1.

[0198] like Figure 25 As shown, in this embodiment, the driving source 50 comes from the drum box 200. Specifically, the driving source 50 includes a driving force output component 200c that is rotatably disposed in the drum box. One end of the driving device 40 is connected to the driving force output component 200c, and the other end is connected to the detection device 30.

[0199] In one embodiment, the drive device 40 includes at least one drive force transmission member disposed therein. As shown in the figure, the drive device 40 includes a first drive force transmission member 41, a second drive force transmission member 42, and a third drive force transmission member 43. The first drive force transmission member 41 is used to connect with the drive force output member 200c to receive drive force. The second drive force transmission member 42 is connected with both the first drive force transmission member 41 and the third drive force transmission member 43 to transmit drive force to the third drive force transmission member 43. The third drive force transmission member 43 is used to connect with the detection device 30 to transmit drive force to the detection device 30.

[0200] The detection device 30 includes a drive unit 31 and a detection unit 32 that are coupled together. The drive unit 31 is used to receive a driving force to drive the detection unit 32 to interact with the device-side detection element 90. As in the background art, the device-side detection element 90 receives an external force and swings through a conductive pendulum, causing the detection circuit on which the device-side detection element 90 is provided to be turned on and off, thereby generating a change in electrical signal. This change in electrical signal can be detected by the imaging device. For example, the detection unit 32 continuously presses the device-side detection element 90, or the detection unit 32 intermittently pushes the device-side detection element 90, etc. In some embodiments, the detection unit 32 protrudes from the drive unit 31, or the detection unit 32 is movable relative to the drive unit 31. Therefore, the drive unit 31 and the detection unit 32 can be formed integrally or separately, as long as the detection unit 32 can be driven by the drive unit 31 and the detection unit 32 can interact with the device-side detection element 90 to complete the detection required by the imaging device.

[0201] Based on this inventive concept, the detection device 30 can receive the driving force of the driving force output component 200c. The specific transmission method of the driving force is diverse. The driving force can be transmitted through at least any one of the following components: gear, friction wheel, belt, rack and pinion, ratchet, etc. The friction wheel refers to a wheel whose circumferential surface is not provided with protrusions, but is made into a rough surface, or its circumferential surface is covered with rubber, sponge, etc.

[0202] like Figure 25 As shown, the drive force output component 200c is configured as a gear, the first drive force transmission component 41 and the second drive force transmission component 42 are both configured as gears, and the third drive force transmission component 43 is configured as a belt. However, according to the above description, at least one of the first drive force transmission component 41 and the drive force output component 200c can also be configured as a friction wheel, or the belt 43 is configured between the first drive force transmission component 41 and the second drive force transmission component 42. In this case, the second drive force transmission component 42 is combined with the detection device 30.

[0203] Accordingly, depending on the structure of the components in the drive unit 40 that are used to engage with the drive unit 31, the structure of the drive unit 30 can be modified accordingly, and will not be listed here one by one, such as Figure 25 As shown, when the third driving force transmission member 43 is set as a belt, the driving part 31 can be set as a friction wheel or a gear.

[0204] After the test is completed, the testing device 30 will no longer need to receive driving force and will stop working. For this purpose, the developing cartridge 100 also includes a driving force cutting-off section, which is used to cut off the driving force transmission between the driving force output member 200c and the testing device 30. More specifically, the driving force cutting-off section is used to cut off the driving force source of the testing unit 32, so as to at least force the testing unit 32 to stop working.

[0205] It is feasible to provide a drive force cutting-off part in at least one of the drive force output member 200c / drive source 50, drive device 40 and drive section 31, such as Figure 25 As shown, along the circumferential direction of the second driving force transmission member 42, a portion of the circumferential surface of the second driving force transmission member 42 is provided with a tooth / friction surface (driving force transmission part) that can receive driving force, while another portion of the circumference is provided with a smooth surface, or with a tooth / friction surface that cannot be combined with the first driving force transmission member 41. The smooth surface or the tooth / friction surface that cannot be combined with the first driving force transmission member 41 is the driving force cutting part.

[0206] In some embodiments, at least one of the detection device 30, the driving device 40, and the driving source 50 / driving source 50 may also be equipped with a delay device to avoid unstable transmission / output of driving force when the imaging device is first started, which would lead to a decrease in the detection accuracy of the detection device 30.

[0207] Depending on the position and structure of the detection component 90 on the equipment side, the movement of the detection unit 32 can be rotation, translation, oscillation, etc. When the detection unit 32 is set to rotate, the rotation axis L3 of the detection unit 32 does not need to be limited. For example, the rotation axis L3 can be parallel to the first direction, or the rotation axis L3 can intersect the first direction. Figure 25 An implementation structure in which the rotation axis L3 is parallel to the first direction is given.

[0208] When the charging component is configured as a charging roller, based on this inventive concept, the driving source 50 can also be a driving component in the drum 200 used to drive the charging roller, or a second driving force receiver 200b. That is, the driving device 40 can be directly connected with the driving component or the second driving force receiver 200b to receive the driving force. In some embodiments, the charging roller is driven to rotate by the photosensitive drum 23. In this case, the driving component is the photosensitive drum 23. In some embodiments, the charging roller is driven to rotate by a separately configured driving force receiver (e.g., gear, coupling, etc.). In this case, the driving component is a separately configured driving force receiver. The separately configured driving force receiver can either directly receive the driving force from the second driving force receiver 200b to rotate, or directly receive the driving force from the imaging device to rotate.

[0209] In some embodiments, the detection device 30 may also be located at the drive end F, so that the detection device 30 can directly receive the driving force from the imaging device, i.e., the drive source 50 is located in the imaging device.

[0210] [Example 10]

[0211] Unlike Embodiment 20, in this embodiment, the driving source 50 is located in the developing cartridge 100, specifically, as shown below. Figure 26 and Figure 27 As shown, the drive source 50 includes a motor (another embodiment of the drive force output device 200c) 51 and a trigger 502. The drive device 40 is still configured to include at least one drive force transmission device. One end of the drive device 40 is connected to the motor 501 and the other end is connected to the detection device 30 for transmitting the drive force output by the motor 501 to the detection device 30.

[0212] Trigger 502 is used to start motor 501, such as Figure 27 As shown, when the door cover 1001 of the imaging device is closed, the door cover 1001 touches the trigger 502, thereby starting the motor 501 and outputting driving force to the drive device 40.

[0213] In one possible implementation, the motor 501 is set to start with a delay, that is, after the trigger 502 is touched by the door cover 1001, the motor 501 does not start immediately, but starts after a predetermined interval. This design helps to prevent the door cover 1001 from being accidentally closed, causing the detection device 30 to start working.

[0214] In other embodiments, the trigger 502 may also be touched by other components, such as the inner wall of the imaging device, the operator, or a switch assembly separately provided in the developing cartridge.

[0215] Similar to Embodiment 20, at least one of the drive source 50, drive device 40, and drive section 31 may be provided with a drive force cut-off section, so that the detection device 30 no longer receives drive force and remains stationary after completing the detection. Alternatively, the drive source 50 may be configured to output drive force for a predetermined time period after the motor 501 is started, and after the time period, the motor 501 stops outputting drive force. Thus, the trigger 502 may be configured to start the motor 501 and turn off the motor 501, or it may be configured to start the motor 501 only.

[0216] [Example 11]

[0217] Unlike Embodiment 20, in this embodiment, the drive source 50 is disposed within the developing cartridge 100, such as... Figure 28 As shown, the drive source 50 includes a spring release device (another embodiment of the drive force output device) 51 and a trigger 502. The drive device 40 is still configured to include at least one drive force transmission device. One end of the drive device 40 is connected to the motor 501, and the other end is connected to the detection device 30, for transmitting the drive force output by the spring release device 51 to the detection device 30.

[0218] The spring release device can be, for example, a coil spring, a clockwork, a torsion spring, a tension spring, a compression spring, etc. This embodiment will be described using a coil spring as an example.

[0219] The trigger 502 can still be triggered in any of the ways described in Embodiment 21. When the trigger 502 is triggered, it forces the coil spring 51 to release its elastic force / driving force. Since the elastic force / driving force stored in the coil spring 51 is limited, the coil spring 51 will stop releasing its elastic force / driving force after the elastic force / driving force in the coil spring 51 is released. Correspondingly, the driving device 40 and the detection device 30 will no longer work.

[0220] In some embodiments, at least one of the drive source 50, drive device 40 and drive section 31 may be provided with a drive force cut-off section to prevent the spring / drive force stored in the coil spring 51 from being too excessive, causing the detection device 30 to continue to operate after the detection is completed.

[0221] In some embodiments, the coil spring 51 is not directly triggered by the trigger 502, but remains in a state of constantly outputting elastic force / driving force. To prevent the detection device 30 from being driven by the coil spring 51, the developing cartridge 100 also includes a locking device 503 for locking at least one of the driving device 40 and the detection device 30. In this way, even if the coil spring 51 has a tendency to output elastic force / driving force, the detection device 30 can still remain in a state of not being driven.

[0222] The locking device 503 includes a locking part 5031 and a first pushing member 5032. The locking part 5031 has a locked position and an unlocked position. In the locked position, the locking part 5031 locks at least one of the drive device 40 and the drive device 30, and the detection device 30 cannot be driven by the spring force / driving force released by the coil spring 51. In the unlocked position, the drive device 40 and the detection device 30 are no longer locked by the locking part 5031, and the detection device 30 can be driven by the spring force / driving force released by the coil spring 51. The first pushing member 5032 is used to push the locking part 5031 toward the locked position.

[0223] The first pushing member 5032 is preferably an elastic member. When the trigger member 502 is touched, the trigger member 502 applies a force to the locking part 5031, forcing the locking part 5031 to move from the locked position to the unlocked position. The elastic member 532 undergoes elastic deformation, and the detection device 30 can be driven by the elastic force / driving force released by the coil spring 51.

[0224] Furthermore, the developing cartridge 100 also includes a housing 15 and a cover 14, wherein the housing 15 is connected to the developing housing 1, the coil spring 51 is housed between the housing 15 and the cover 14, and the driving device 40 is engaged with the coil spring 51 through the cover 14. Preferably, the cover 14 is provided with a guided portion 141, and the housing 15 is provided with a guide portion 151. Through the engagement of the guide portion 151 and the guided portion 141, the cover 14 and the housing 15 can be quickly and accurately engaged.

[0225] [Example Twelve]

[0226] like Figure 29 , Figure 30 and Figure 31 As shown, similar to embodiment 21, the drive source 50 in this embodiment is also disposed in the developing cartridge 100. The drive source 50 includes an electromagnetic generating element (another embodiment of the driving force output element 200c) and a trigger element 502. However, the drive device 40 in this embodiment is disposed as a magnetic element located between the detection device 30 and the drive source 50, or the drive device 40 is part of the detection device 30.

[0227] Through any of the triggering methods in Embodiment 21, the trigger 502 is triggered to activate the electromagnetic generator 51. The electromagnetic generator 51 generates electromagnetic force, forcing the drive device 40 to move the detection device 30 between a first position and a second position. In the first position, the detection device 30 can interact with the device-side detection element 90 in the imaging device. In the second position, the detection device 30 cannot interact with the device-side detection element 90 in the imaging device. Specifically, the detection device 30 is moved by the repulsive force generated between the drive device 40 and the detection device 30. The detection device 30 can move along a first direction, a second direction, or a third direction.

[0228] Furthermore, the drive source 50 also includes a power supply (not shown) and a control board 54. The power supply provides power to the electromagnetic generator 51, and the control board 54 controls whether the electromagnetic generator 51 generates electromagnetic force according to design requirements, such as... Figure 30 As shown, when the trigger 51 is touched by the door cover 1001, the electromagnetic generator 51 is activated to generate electromagnetic force, and the drive device 40 drives the detection device 30 to the first position; similar to embodiment twenty-one, even if the trigger 502 is continuously touched, after the detection device 30 completes the detection, the electromagnetic generator 51 no longer generates electromagnetic force under the control of the control board 54, such as Figure 31 As shown, the detection device 30 returns to the second position under its own gravity or the action of other auxiliary components.

[0229] [Beneficial Effects]

[0230] 1. The driving force of the detection device 30 no longer comes from the first driving force receiving member 3. Thus, regardless of whether the detection device 30 is set on the same side as the first driving force receiving member 3, there is no longer a need to set up a component to transmit the driving force between the detection device 30 and the first driving force receiving member 3. The load on the first driving force receiving member 3 will be reduced, which is beneficial to improving the rotational stability of the component (e.g., the developing roller 21) driven by the driving force of the first driving force receiving member 3.

[0231] 2. The driving force of the detection device 30 comes from a driving source 50 that is different from the first driving force receiving member 3. Therefore, the driving source 50 can be set according to the position of the detection device 30, thus having greater flexibility and improving the design freedom of the developing cartridge 100.

[0232] According to the description of the above embodiments, the detection device 30 can be directly connected to the drive source 50 to receive the driving force, or it can be indirectly connected to the drive source 50 to receive the driving force.

[0233] When the drive source 50 is set in the drum housing 200, the drive force output component 200c can be any rotating component that is rotatably set in the drum housing 201, such as the photosensitive drum 23, the charging component, the second drive force receiver 200b, etc.

[0234] 3. In embodiments where the detection device 30 and the first driving force receiving member 3 are arranged on different sides, the driving force for driving the detection device 30 does not need to be transmitted between the two ends of the developing cartridge 100, which not only reduces the delay of driving the detection device 30, but also reduces the structural complexity of the developing cartridge 100.

[0235] [Example] Thirteen ]

[0236] like Figure 32 and Figure 33 As shown, in the driving device 40 of this embodiment, the first driving force transmission member 41 is configured not to receive the driving force of the first driving force receiving member 3, but to receive the driving force of the driving source 50 (driving force output member 200c) which is different from the first driving force receiving member 3. The detection member 32 interacts with the device-side detection member 90 by receiving the driving force from the first driving force receiving member 3 which is different from the first driving force receiving member 3. In this embodiment, the driving source 50 is located outside the developing cartridge 100. Specifically, the driving source 50 is disposed in the drum cartridge 200.

[0237] The drum housing 200 includes a second driving force receiver 200b and a driving force output component 200c. The second driving force receiver 200b drives the photosensitive drum 23 to rotate directly or indirectly. In this embodiment, the second driving force receiver 200b and the driving force output component 200c are gears arranged on the same side of the photosensitive drum 23 and are coaxially arranged with the photosensitive drum 23. Therefore, the photosensitive drum 23 will be directly driven by the second driving force receiver 200b, and the driving force output component 200c can output driving force as the second driving force receiver 200b rotates. The driving source 50 is the driving force output component 200c. Preferably, the second driving force receiver 200b and the driving force output component 200c are coaxially arranged. More preferably, the photosensitive drum 23, the first driving force receiver 200b, and the driving force output component 200c are all coaxially arranged.

[0238] In this embodiment, the driving device 40 includes a first driving force transmitter 41, a second driving force transmitter 42, a third driving force transmitter 43, a fourth driving force transmitter 44, and a fifth driving force transmitter 45. The first driving force transmitter 41 is used to combine with the driving source 50 to receive driving force, and the fifth driving force transmitter 45 is used to transmit the driving force received by the first driving force transmitter 41 to the detection device 30 / detection device 32, thereby enabling the detection device 30 / detection device 32 to interact with the device-side detection device 90.

[0239] The number of the second driving force transmitter 42, the third driving force transmitter 43, and the fourth driving force transmitter 44 can be appropriately increased or decreased according to the structural design of the developing cartridge 100, as long as the driving force of the first driving force transmitter 41 can be transmitted to the fifth driving force transmitter 45. Therefore, at least one of the second driving force transmitter 42, the third driving force transmitter 43, and the fourth driving force transmitter 44 can also be called an intermediate transmitter. The number of intermediate transmitters can be one or more. The first driving force transmitter 41 can be called the transmission head, and the fifth driving force transmitter 45 can be called the transmission tail.

[0240] In some implementations, the first driving force transmitter 41 and the fifth driving force transmitter 45 can be directly combined. This method has higher driving force transmission efficiency, meaning that an intermediate transmission member between the first driving force transmitter 41 and the fifth driving force transmitter 45 does not need to be provided.

[0241] In some embodiments, the drive device 40 may also be configured to include one of the first drive force transmission member 41, the fifth drive force transmission member 45, and the intermediate transmission member 42, as long as it can transmit the drive force of the drive source 50 to the detection device 4.

[0242] like Figure 32 As shown, the first driving force transmission member 41 is coaxially arranged with the developing roller 21, or in other words, the first driving force transmission member 41 is coaxially arranged with the second transmission member 62, but the first driving force transmission member 41 is rotatable relative to the second transmission member 62 / developing roller 21. That is to say, the first driving force transmission member 41 does not rotate with the rotation of the second transmission member 62 / developing roller 21; the second driving force transmission member 42 is coaxially arranged with the first driving force receiving member 3, but the second driving force transmission member 42 is rotatable relative to the first driving force receiving member 3. That is to say, the second driving force transmission member 42 does not rotate with the rotation of the first driving force receiving member 3.

[0243] Figure 32 In the detection device 30 shown, the movable member 31 is configured as a movable rod that can reciprocate along a first direction, and the detection member 32 is configured to rotate about a rotation axis parallel to a third direction. According to the inventive concept of this utility model, the movable member 31 can also be configured to rotate along an axis that is not parallel to the first direction, and the detection member 32 can also be configured to reciprocate along the first direction or the second direction. The specific movement mode can be linear movement or curvilinear movement.

[0244] In some embodiments, the moving part 31 and the detection part 32 may also be integrally formed.

[0245] Figure 32An example is shown where the detection element 32 is located at the non-driving end; however, according to the inventive concept of this utility model, the driving device 30 is still applicable when the detection element 32 is located at the driving end.

[0246] Continue as Figure 32 As shown, the developing cartridge 100 also includes a drive bracket 1h connected to the developing housing 1. At the drive end, at least one of the developing roller 21 and the powder feeding roller 22 is supported by the drive bracket 1h. At least a part of the driving force transmission component 6 and at least a part of the driving device can be supported by the drive bracket 1h or directly by the housing 1, for example, by providing columnar protrusions or support grooves on the housing 1 to support the driving force transmission component 6. The chip assembly 16 is disposed on the drive bracket 1h. Specifically, the mounting bracket 161 is connected to the drive bracket 1h, so that the mounting bracket 161 can be installed as an adapter on different models of developing cartridges along with the drive bracket 1h.

[0247] In some embodiments, the chip assembly 16 can also be designed as an independent component separate from the developer cartridge body (all components in the developer cartridge 100 except for the chip assembly 16). In this case, the chip assembly 16 will no longer be installed or removed along with the developer cartridge body, thus improving the applicability of the developer cartridge body. The chip assembly 16 can be installed on the inner side of the drum base plate 202 facing the developer cartridge 100 (the side where the developer cartridge receiving part 201 is located), or it can be installed on the outer side of the drum base plate 202 facing away from the developer cartridge 100. Based on the above embodiments, this utility model also provides a developer cartridge without a stirrer 23 to simplify the structure of the developer cartridge and save costs. Figure 34 As shown, the stirring rack 23 is no longer installed in the cavity 10. To ensure that the toner reaches the developing roller 21 and the toner delivery roller 22 smoothly, the lower side plate 1t1 of the bottom shell 1t is set to be inclined relative to the second direction. Specifically, the inner surface 1t2 of the lower side plate 1t1 facing the cavity 10 is inclined relative to the second direction. Thus, the structure of the developing cartridge 100 can be simplified. When installing and disassembling the developing cartridge 100, the user can also directly contact the lower side plate 1t1 with their hands. Compared with the handle 12, the lower side plate 1t1 has a larger area for the user to grip.

[0248] exist Figure 34 In the angle shown, the first straight line P1 passes through the rotation axis L1 of the developing roller 21 and the rotation axis L3 of the first driving force receiving member 3 at the same time. The second straight line P2 is parallel to the inner surface 1t2. The first straight line P1 and the second straight line P2 intersect at point P0. The included angle γ formed between them satisfies: 0°<γ≤45°, preferably 5°<γ≤20°.

[0249] like Figure 35As shown, when viewed along the first direction, at least a portion of the first driving force transmission member 41 is not obstructed by the end cap 11, or in other words, along the second direction, at least a portion of the second driving force transmission member 41 protrudes from the end cap 11, so that the first driving force transmission member 41 can receive the driving force of the driving source 50 / driving force output member 200c more smoothly.

Claims

1. A developing cartridge, characterized by a developing cartridge The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge.

2. The process cartridge according to claim 1, wherein, The application relates to a developing cartridge.

3. The process cartridge of claim 1, wherein, The application relates to a developing cartridge.

4. The process cartridge of claim 1, wherein, The application relates to a developing cartridge.

5. The process cartridge of claim 1, wherein, The application relates to a developing cartridge.

6. The process cartridge of claim 1, wherein, The application relates to a developing cartridge. The application relates to a developing cartridge.

7. The process cartridge of claim 6 wherein, The application relates to a developing cartridge.

8. The process cartridge of claim 7 wherein, The application relates to a developing cartridge.

9. The process cartridge of claim 8 wherein, The application relates to a developing cartridge.

10. The process cartridge of claim 7 wherein, The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. 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The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. The application relates to a developing cartridge. 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