CN107991853B - Rotary driving force receiving head, driving force transmission assembly and processing box - Google Patents
Rotary driving force receiving head, driving force transmission assembly and processing box Download PDFInfo
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- CN107991853B CN107991853B CN201711464282.0A CN201711464282A CN107991853B CN 107991853 B CN107991853 B CN 107991853B CN 201711464282 A CN201711464282 A CN 201711464282A CN 107991853 B CN107991853 B CN 107991853B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 34
- 210000000078 claw Anatomy 0.000 claims abstract description 30
- 238000003384 imaging method Methods 0.000 claims abstract description 19
- 238000005520 cutting process Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 6
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1839—Means for handling the process cartridge in the apparatus body
- G03G21/1857—Means for handling the process cartridge in the apparatus body for transmitting mechanical drive power to the process cartridge, drive mechanisms, gears, couplings, braking mechanisms
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/1642—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements for connecting the different parts of the apparatus
- G03G21/1647—Mechanical connection means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
The invention provides a rotary driving force receiving head, a driving force transmission assembly and a processing box, wherein the rotary driving force receiving head comprises an end part and a shaft part, the end part is provided with a first surface connected with the shaft part and a second surface far away from the shaft part, the second surface is provided with an inwards concave spherical surface, two convex claws are arranged on the second surface in an outwards extending mode, the two convex claws form central symmetry with respect to the axis of the rotary driving force receiving head, the surfaces of the convex claws are provided with a meshing surface for being matched with a driving part of imaging equipment, the positions of the meshing surfaces are provided with limiting grooves, the limiting grooves are obliquely arranged along the radial direction of the end part, the upper ends of the limiting grooves are positioned on the second surface and are connected with the spherical surface, and the lower ends of the limiting grooves are positioned on the periphery of the first side. The connection between the driving force coupling assembling of present case falls the machine more stable smooth and easy, and rotatory job stabilization does not influence imaging device's printing effect, can not appear printing the bad condition.
Description
Technical Field
The invention relates to the technical field of printing consumables, in particular to a rotary driving force receiving head, a driving force transmission assembly and a processing box provided with the driving force transmission assembly.
Background
Electrophotographic image forming apparatuses such as laser printers typically have a developer cartridge therein, and the developer cartridge is removable from the printer. Currently available developing cartridges are of the following types: an integrated box composed of a photosensitive drum, a developing device, a charging device and a cleaning device; the photosensitive drum and the charging device are assembled together or the photosensitive drum and the developing device are assembled together. The photosensitive drums of the above developing cartridges are provided with a mechanism for receiving a rotational driving force and driving the photosensitive drums.
There is a developing cartridge that provides a cartridge driving assembly on which a universal driving head and a gear assembly are provided. The protrusion of the universal driving head is about 10 mm away from the protection end face, and the universal driving head is easy to limit parts such as torsion springs and the like, so that the universal driving head can be conveniently matched with a machine, and the production cost is high due to the torsion spring parts.
There are new telescopic structure's driving head on the market, but this kind of simple telescopic structure's driving head, when the developing cartridge is in the machine, drive protruding and the interference of transmission head easily, lead to the machine inconvenient, and easily cause developing cartridge driving head trouble moreover. And when printing in the machine, the machine transmission head is matched with the driving head on the powder box to rotate, and the transmission head and the powder box driving head are matched with each other easily to have problems due to imperfect structure. Moreover, the driving head structure is not perfect, and is unstable in the printing process, so that problems easily occur in the printing process, and the actual printing and developing effects are affected.
Disclosure of Invention
In order to achieve the first object of the present invention, the present invention provides a rotational driving force receiving head which is stable in landing and reliable in performance.
In order to achieve the second object of the present invention, the present invention provides a drive force transmission assembly that is stable and reliable in performance.
In order to achieve the third object of the present invention, the present invention provides a process cartridge that is stable in landing and reliable in performance.
In order to achieve the first object of the present invention, there is provided a rotary driving force receiving head comprising an end portion and a shaft portion, wherein the end portion has a first surface connected to the shaft portion and a second surface remote from the shaft portion, the second surface is provided with a concave spherical surface, two pawls are provided on the second surface so as to protrude outward, the two pawls form a central symmetry with respect to an axis of the rotary driving force receiving head, surfaces of the pawls have engagement surfaces for engagement with a driving member of an image forming apparatus, limit grooves are provided at positions of the engagement surfaces, the limit grooves are disposed obliquely in a radial direction of the end portion, an upper end of the limit groove is located on the second surface and connected to the spherical surface, a lower end of the limit groove is located on an outer periphery of the first side surface, a cut-in surface is provided on an outer periphery of the second surface so as to protrude outward, and the two pawls and the two limit grooves divide the cut-in surface into a first cut-in surface and a second cut-in surface, and outer peripheries of the first cut-in surface and the second cut-in surface have an oblique angle.
Therefore, the limiting groove is formed in the occlusal surface of the convex claw of the rotary driving force receiving head, the limiting groove is arranged along the radial inclination of the end part, the two sides of the limiting groove are provided with the first arc surface and the second arc surface, the driving part of the imaging device is favorable for wiping the limiting groove to cut into the spherical surface and stably occluding with the occlusal surface, the rotary driving force receiving head is enabled to be smaller in relative resistance when being taken out or installed to the imaging device, the rotary driving force receiving head is enabled to be connected with a landing machine more stably and smoothly, the rotary working is stable, the printing effect of the imaging device is not affected, and the situation of poor printing can not occur.
Still further, the two prongs extend substantially in the direction of the axis.
In a further development, the surface of the pawl has a first side and a second side, the engagement surface being adjacent to the first side, the first side being adjacent to the second side, the first side and the second side being smoothly transitioned sides for guiding.
Still further, the limit groove is provided with a first arc surface, a second arc surface and a guide surface, wherein the first arc surface and the second arc surface are respectively positioned at two sides of the limit groove, the second arc surface is adjacent to the occlusal surface, and the guide surface is positioned at the lower end of the limit groove and is adjacent to the first side surface.
In a further embodiment, the guide surface, the engagement surface, the first side surface and the second side surface are all arranged obliquely.
Therefore, the guide surface, the engagement surface, the first side surface and the second side surface are all smooth transitional inclined surfaces, the driving part of the imaging equipment is favorable for wiping one surface to cut into the spherical surface and stably engage with the engagement surface, and the rotary driving force receiving head is ensured to be connected with the machine to fall down more stably and smoothly and the rotary work is stable.
In order to achieve the second object of the present invention, there is provided a driving force transmitting assembly including a driving gear and an axial adjustment assembly, wherein the axial adjustment assembly has a rotational driving force receiving head extending beyond a first end of the driving gear, the axial adjustment assembly is disposed in the driving gear so as to be axially reciprocatingly movable along the driving gear, an elastic supporting member and an axial limiting member are disposed between the axial adjustment assembly and the driving gear, the rotational driving force receiving head includes an end portion and a shaft portion, the end portion has a first surface connected to the shaft portion and a second surface remote from the shaft portion, the second surface is provided with an inwardly concave spherical surface, two pawls are disposed on the second surface so as to extend outwardly, the two pawls form a central symmetry with respect to an axis of the rotational driving force receiving head, surfaces of the pawls have engagement surfaces for engagement with a driving member of an image forming apparatus, the engagement surfaces are each provided with a limiting groove, an upper end of the limiting groove is disposed on the second surface so as to be axially inclined along a radial direction of the end portion, a lower end of the limiting groove is disposed on the second surface and connected to the spherical surface, a lower end of the limiting groove is disposed on an outer circumference of the first side, the second surface is disposed on an outer circumference of the second surface so as to extend outwardly, a first surface is provided with a first surface and a second surface having a concave spherical surface, and a convex surface is disposed on the second surface, which is disposed on an outer circumference.
Still further, the driving force transmission assembly further comprises an end cap covering the first end of the driving gear, and the shaft portion is reciprocatingly disposed through the end cap.
Still further, the elastic support part is a spring sleeved on the shaft part, the axial limiting part is a rotation limiting pin, the inside of the driving gear is provided with a step part, the shaft part can pass through the step part in a reciprocating manner, the shaft part below the end cover is provided with a pin hole, the rotation limiting pin passes through the pin hole, and the spring is positioned between the rotation limiting pin and the step part.
Therefore, the limiting grooves are formed in the engaging surfaces of the convex claws of the rotary driving force receiving head and are arranged along the radial inclination of the end parts, the first arc surface and the second arc surface are arranged on two sides of the limiting grooves, the height of the top of the entering surface and the height of the convex claws in the axial direction are smaller than the movable stroke of the rotary driving force receiving head in the axial direction, the driving part of the imaging device is favorable for wiping the limiting grooves to cut into the spherical surface and stably engaging with the engaging surface, the driving force transmission assembly is enabled to be relatively small in relative resistance when being taken out or installed to the imaging device, the driving force transmission assembly is enabled to be connected with the landing machine to be more stable and smooth, the rotation work is stable, the printing effect of the imaging device is not affected, and the situation of poor printing can not occur.
In order to achieve the third object of the present invention, there is provided a process cartridge comprising a powder hopper, a driving force transmitting assembly provided at one end of the powder hopper, and a stopper mechanism fitted over a driving gear of the driving force transmitting assembly, the driving force transmitting assembly comprising a driving gear and an axial regulating assembly having a rotary driving force receiving head extending beyond a first end of the driving gear, the axial regulating assembly being provided in the driving gear so as to be axially reciprocatingly movable along the driving gear, an elastic supporting member and an axial stopper member being provided between the axial regulating assembly and the driving gear, the rotary driving force receiving head comprising an end portion and a shaft portion, the end portion having a first surface connected to the shaft portion and a second surface remote from the shaft portion, the second surface being provided with an inwardly concave spherical surface, two pawls being provided at the second surface so as to be outwardly protruded, the two convex claws form central symmetry about the axis of the rotary driving force receiving head, the surfaces of the convex claws are provided with a meshing surface for being matched with a driving part of the imaging device, the positions of the meshing surfaces are provided with limit grooves, the limit grooves are obliquely arranged along the radial direction of the end parts, the upper ends of the limit grooves are positioned on the second surface and are connected with the spherical surface, the lower ends of the limit grooves are positioned at the periphery of the first side surface, the periphery of the second surface is provided with a cutting surface in an outward extending manner, the two convex claws and the two limit grooves divide the cutting surface into a first cutting surface and a second cutting surface, the periphery of the first cutting surface and the periphery of the second cutting surface are provided with oblique angles, the heights of the cutting surface and the tops of the convex claws in the axial direction are smaller than the movable stroke of the rotary driving force receiving head in the axial direction, the movable stroke of the rotary driving force receiving head in the axial direction is smaller than the distance between the tail end of the shaft part and the outer side wall of the powder bin in the axial direction, the movable travel of the rotary driving force receiving head in the axial direction is smaller than the distance between the end face of the limit mechanism and the top of the claw in the axial direction.
In a further embodiment, the distance between the end face of the limiting mechanism and the top of the pawl in the axial direction is less than 10 mm.
Therefore, the limiting groove is formed in the engagement surface of the convex claw of the rotary driving force receiving head, the limiting groove is obliquely arranged along the radial direction of the end part, the first arc surface and the second arc surface are arranged on two sides of the limiting groove, the heights of the cutting surface and the top of the convex claw in the axial direction are smaller than the movable travel of the rotary driving force receiving head in the axial direction, the movable travel of the rotary driving force receiving head in the axial direction is smaller than the distance between the tail end of the shaft part and the outer side wall of the powder bin in the axial direction, the movable travel of the rotary driving force receiving head in the axial direction is smaller than the distance between the end surface of the limiting mechanism and the top of the convex claw in the axial direction, the driving part of the imaging device is facilitated to wipe the limiting groove to cut into the spherical surface and be stably engaged with the engagement surface, the relative resistance of the processing box is smaller when the processing box is taken out of or installed to the imaging device, the processing box is ensured to be connected with the machine to be more stable and smooth, the rotary working is stable, and the printing effect of the imaging device is not affected, and the situation of poor printing is avoided.
Drawings
Fig. 1 is a block diagram of an embodiment of a process cartridge of the present invention.
Fig. 2 is an exploded view of an embodiment of the drive force transmission assembly of the present invention.
Fig. 3 is a top view of an embodiment of a drive force transmission assembly of the present invention.
Fig. 4 is a cross-sectional view at A-A in fig. 3.
Fig. 5 is a cross-sectional view of a drive force transmitting assembly embodiment of the present invention mated with a drive member of an image forming apparatus.
Fig. 6 is an exploded view of an embodiment of the drive force transmission assembly of the present invention.
Fig. 7 is a partial view of an embodiment of the drive force transmission assembly of the present invention.
Fig. 8 is a structural view of an embodiment of the rotary driving force receiving head of the present invention.
Fig. 9 is a side view of a rotary drive force receiving head embodiment of the present invention.
Fig. 10 is a top view of an embodiment of the rotary drive force receiving head of the present invention.
Fig. 11 is a partial structural view of an embodiment of the process cartridge of the present invention.
The invention is further described below with reference to the drawings and examples.
Detailed Description
Referring to fig. 1, fig. 1 is a structural view of a process cartridge 1, the process cartridge 1 including a hopper 9, a roller (not shown) rotatably supported in the hopper 9 and a stirring frame (not shown), a driving force transmission assembly 2 provided at one end of the hopper 9, and a spacing mechanism 8 fitted over a driving gear of the driving force transmission assembly 2, the roller in this embodiment being a developing roller, the roller including a roller body and a first driving force transmission member provided on an axially outer end portion of the roller body, the stirring frame being provided with a second driving force transmission member on the axially outer end portion, the first driving force transmission member and the second driving force transmission member being engaged with the driving force transmission assembly 2 through gears, respectively.
Referring to fig. 2 to 7, a basic constitution of the driving force transmission assembly 2 is shown, and its structure mainly includes a driving gear 7, a rotational driving force receiving head 3, a rotational stopper pin 4, an end cap 5, and a helical compression spring 6. The drive gear 7 is engaged with gears of the first and second driving force transmission members through a gear end 71 thereof, and the stopper mechanism 8 is fitted over the drive gear 7 and located at one end of the powder hopper 9. The other end of the drive gear 7 opposite to the gear end 71 is a first end, the rotary drive force receiving head 3 is extendable out of the first end of the drive gear 7, the end cap 5 is covered on the first end of the drive gear 7, and the shaft portion 31 of the rotary drive force receiving head 3 is reciprocatingly provided through the end cap 5. The inside of the drive gear 7 is provided with a stepped portion 72, the shaft portion 31 of the rotary drive force receiving head 3 is reciprocatingly provided through the stepped portion 72, the shaft portion 31 of the rotary drive force receiving head 3 located below the end cap 5 is provided with a pin hole 33, the rotation restricting pin 4 passes through the pin hole 33, the spring 6 is sheathed on the shaft portion 31 of the rotary drive force receiving head 3, and the spring 6 is located between the rotation restricting pin 4 and the stepped portion 72. One end of the spring 6 of this embodiment has a circular hole portion 61, and the circular hole portion 61 is fitted over the rotation limiting pin 4. By compression of the spring 6 and axial limitation of the rotational limitation pin 4, the rotational driving force receiving head 3 can perform limited axial reciprocating translational movement in its axial direction with respect to the driving gear 7.
Referring to fig. 8 to 10, the rotary driving force receiving head 3 is substantially shaped like a torch, and includes an end portion 32 and a shaft portion 31, the shaft portion 31 is cylindrical, the diameter of the end portion 32 is larger than that of the shaft portion 31, and a pin hole 33 through which the rotation restricting pin 4 passes is provided in the shaft portion 31.
The end portion 32 has a first surface 314 connected to the shaft portion 31 and a second surface 34 remote from the shaft portion 31, the second surface 34 being formed with a concave spherical surface 35 at a central position. Two lugs 38 which are located on the second surface 34 and project outwardly substantially in the axial direction of the rotary drive force receiving head 3, the two lugs 38 forming a central symmetry about the axis. The surface of the claw 38 has an engagement surface 311, a first side surface 312, a second side surface 313, and a third side surface 317, and the engagement surface 311 is for engagement with the image forming apparatus driving member 10. The engaging surfaces 311 of the two claws 38 are provided with limiting grooves 39, the limiting grooves 39 are obliquely arranged along the radial direction of the end part 32, the upper ends of the limiting grooves 39 are positioned on the second surface 34 and connected with the spherical surface 35, and the lower ends of the limiting grooves 39 are positioned on the periphery of the first surface 314. The two sides of the limiting groove 39 are provided with a first arc surface 316 and a second arc surface 315, and the second arc surface 315 is smoothly connected with the occlusal surface 311. The lower end of the limiting groove 39 is provided with a guiding surface 310, and the guiding surface 310, the engaging surface 311, the first side surface 312, the second side surface 313 and the third side surface 317 are all inclined surfaces with smooth transition, so that the imaging device driving part 10 can cut into the spherical surface 35 and stably engage with the engaging surface 311 after rubbing one of the side surfaces.
A cutting surface is provided on the outer periphery of the second surface 34 and protrudes outward, and two claws 38 and two limit grooves 39 divide the cutting surface into a first cutting surface 36 and a second cutting surface 37, and the outer peripheries of the first cutting surface 36 and the second cutting surface 37 have an oblique angle, so that the image forming apparatus driving member 10 is not blocked and disturbed by the side wall of the end 32. In the claw 38, the engagement surface 311 is adjacent to the first side surface 312, the first side surface 312 is adjacent to the second side surface 313, the second side surface 313 is adjacent to the third side surface 317, the second circular arc surface 315 is smoothly connected to the engagement surface 311, the guide surface 310 is connected to the first side surface 312, the guide surface 310 is connected to the outer peripheral junction edge of the first surface 314, and the image forming apparatus driving member 10 is not blocked or disturbed by the junction edge, so that the process cartridge 1 is more smoothly engaged with the image forming apparatus driving member 10 during the process of dropping or taking out.
Referring to fig. 11, the height H of the cut-in surfaces 36, 37 and the top of the boss 38 in the axial direction is H1, the distance H1 between the tail end of the shaft portion 31 and the outer side wall of the powder hopper 9 in the axial direction is L, and the height H of the cut-in surfaces 36, 37 and the top of the boss 38 in the axial direction is smaller than the movable distance L of the rotary drive force receiving head 3 in the axial direction, and the movable distance L of the rotary drive force receiving head 3 in the axial direction is smaller than the distance H1 between the tail end of the shaft portion 31 and the outer side wall of the powder hopper 9 in the axial direction, i.e., H < L < H1. The distance between the end face of the limit mechanism 8 and the top of the pawl 38 in the axial direction is X, which is less than 10 mm, and L < X, i.e., the movable stroke L of the rotary drive force receiving head 3 in the axial direction is less than the distance X.
As can be seen from the above-mentioned scheme, through being provided with the spacing groove 39 in the interlock face 311 department of the claw 38 of rotary drive power receiving head 3 to the radial slope setting of spacing groove 39 along the tip has first arc face 316 and second arc face 315, is favorable to imaging device drive part 10 to wipe spacing groove 39 and cut into spherical face 35 and interlock with interlock face 311 steadily, makes the relative resistance that process cartridge 1 takes out or installs to imaging device less, guarantees that drive power transmission subassembly 2 connects the landing more stable smooth and rotatory job stabilization, does not influence imaging device's printing effect, can not appear printing the bad condition.
The above embodiments are only preferred examples of the present invention and are not intended to limit the scope of the present invention, so that all equivalent changes or modifications made according to the construction, characteristics and principles of the present invention shall be included in the scope of the present invention.
Claims (10)
1. The rotary driving force receiving head comprises an end part and a shaft part, and is characterized in that:
The end portion has a first surface connected with the shaft portion and a second surface remote from the shaft portion, the second surface being provided with a concave spherical surface;
two convex claws are arranged on the second surface in an outward extending manner, the two convex claws are formed to be symmetrical in center with respect to the axis of the rotary driving force receiving head, and the surfaces of the convex claws are provided with a meshing surface for being matched with a driving part of the imaging equipment;
The positions of the occlusion surfaces are provided with limiting grooves, the limiting grooves are obliquely arranged along the radial direction of the end parts, the upper ends of the limiting grooves are positioned on the second surface and connected with the spherical surfaces, and the lower ends of the limiting grooves are positioned on the periphery of the first surface;
A cutting surface is arranged on the periphery of the second surface and extends outwards, the two convex claws and the two limiting grooves divide the cutting surface into a first cutting surface and a second cutting surface, and the peripheries of the first cutting surface and the second cutting surface are provided with oblique angles;
the limiting groove is provided with a first arc surface and a second arc surface, the first arc surface and the second arc surface are respectively positioned at two sides of the limiting groove, and the second arc surface is adjacent to the occlusal surface.
2. The rotary driving force receiving head according to claim 1, characterized in that:
The two prongs extend substantially outwardly in the direction of the axis.
3. The rotary driving force receiving head according to claim 1 or 2, characterized in that:
The surface of the pawl also has a first side and a second side, the engagement surface being contiguous with the first side, the first side being contiguous with the second side, the first side and the second side being smoothly transitioned sides for guiding.
4. A rotary driving force receiving head according to claim 3, wherein:
The limit groove is further provided with a guide surface, and the guide surface is positioned at the lower end of the limit groove and is adjacent to the first surface.
5. The rotary driving force receiving head according to claim 4, characterized in that:
The guide surface, the engagement surface, the first side surface and the second side surface are all obliquely arranged.
6. The drive power transmission subassembly, including drive gear and axial adjustment subassembly, its characterized in that:
the axial adjustment assembly having a rotational drive force receiving head extending beyond the first end of the drive gear;
the axial adjusting assembly can be arranged in the driving gear in an axial reciprocating manner along the driving gear, and an elastic supporting part and an axial limiting part are arranged between the axial adjusting assembly and the driving gear;
the rotational driving force receiving head includes an end portion having a first surface connected with the shaft portion and a second surface remote from the shaft portion, the second surface being provided with a concave spherical surface;
two convex claws are arranged on the second surface in an outward extending manner, the two convex claws are formed to be symmetrical in center with respect to the axis of the rotary driving force receiving head, and the surfaces of the convex claws are provided with a meshing surface for being matched with a driving part of the imaging equipment;
The positions of the occlusion surfaces are provided with limiting grooves, the limiting grooves are obliquely arranged along the radial direction of the end parts, the upper ends of the limiting grooves are positioned on the second surface and connected with the spherical surfaces, and the lower ends of the limiting grooves are positioned on the periphery of the first surface;
A cutting surface is arranged on the periphery of the second surface and extends outwards, the two convex claws and the two limiting grooves divide the cutting surface into a first cutting surface and a second cutting surface, and the peripheries of the first cutting surface and the second cutting surface are provided with oblique angles;
the limiting groove is provided with a first arc surface and a second arc surface, the first arc surface and the second arc surface are respectively positioned at two sides of the limiting groove, and the second arc surface is adjacent to the occlusal surface;
The height of the cutting surface and the top of the claw in the axial direction is smaller than the movable travel of the rotary driving force receiving head in the axial direction.
7. The drive force transmission assembly according to claim 6, characterized in that:
the drive force transmission assembly further includes an end cap covering the first end of the drive gear, and the shaft portion is reciprocatingly disposed through the end cap.
8. The drive force transmission assembly according to claim 7, characterized in that:
The elastic supporting component is a spring sleeved on the shaft part, the axial limiting component is a rotation limiting pin, a step part is arranged in the driving gear, and the shaft part can pass through the step part in a reciprocating manner;
The shaft part below the end cover is provided with a pin hole, and the rotation limiting pin passes through the pin hole;
the spring is located between the rotation limiting pin and the step portion.
9. The processing box comprises a powder bin, a driving force transmission assembly arranged at one end of the powder bin and a limiting mechanism sleeved on a driving gear of the driving force transmission assembly, and is characterized in that:
The drive force transmission assembly is the drive force transmission assembly according to any one of the preceding claims 6 to 8;
The movable stroke of the rotary driving force receiving head in the axial direction is smaller than the distance between the tail end of the shaft part and the outer side wall of the powder bin in the axial direction;
The movable travel of the rotary driving force receiving head in the axial direction is smaller than the distance between the end face of the limiting mechanism and the top of the convex claw in the axial direction.
10. A process cartridge according to claim 9, wherein:
the distance between the end face of the limiting mechanism and the top of the convex claw in the axial direction is less than 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464282.0A CN107991853B (en) | 2017-12-28 | 2017-12-28 | Rotary driving force receiving head, driving force transmission assembly and processing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464282.0A CN107991853B (en) | 2017-12-28 | 2017-12-28 | Rotary driving force receiving head, driving force transmission assembly and processing box |
Publications (2)
| Publication Number | Publication Date |
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| CN107991853A CN107991853A (en) | 2018-05-04 |
| CN107991853B true CN107991853B (en) | 2024-04-26 |
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| CN201711464282.0A Active CN107991853B (en) | 2017-12-28 | 2017-12-28 | Rotary driving force receiving head, driving force transmission assembly and processing box |
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| CN110501891B (en) * | 2019-08-05 | 2022-07-26 | 广州众诺电子技术有限公司 | Power receiving device and image forming cartridge |
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