WO2017202352A1 - 驱动头、驱动组件及处理盒 - Google Patents

驱动头、驱动组件及处理盒 Download PDF

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Publication number
WO2017202352A1
WO2017202352A1 PCT/CN2017/085827 CN2017085827W WO2017202352A1 WO 2017202352 A1 WO2017202352 A1 WO 2017202352A1 CN 2017085827 W CN2017085827 W CN 2017085827W WO 2017202352 A1 WO2017202352 A1 WO 2017202352A1
Authority
WO
WIPO (PCT)
Prior art keywords
urging
process cartridge
block
gear
drive
Prior art date
Application number
PCT/CN2017/085827
Other languages
English (en)
French (fr)
Inventor
邓平
Original Assignee
邓平
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201610363907.3A external-priority patent/CN105785729B/zh
Priority claimed from CN201610546864.2A external-priority patent/CN105974755A/zh
Priority claimed from CN201610664843.0A external-priority patent/CN106094463A/zh
Priority claimed from CN201621106361.5U external-priority patent/CN206147260U/zh
Priority claimed from CN201720552186.0U external-priority patent/CN206833149U/zh
Application filed by 邓平 filed Critical 邓平
Priority to US16/335,558 priority Critical patent/US11285748B2/en
Publication of WO2017202352A1 publication Critical patent/WO2017202352A1/zh

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
    • B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
    • 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
    • G03G21/186—Axial couplings
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
    • G06F3/1203—Improving or facilitating administration, e.g. print management
    • G06F3/1204—Improving or facilitating administration, e.g. print management resulting in reduced user or operator actions, e.g. presetting, automatic actions, using hardware token storing data
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
    • G06F3/1237—Print job management
    • G06F3/1242—Image or content composition onto a page

Definitions

  • the invention relates to a drive head, a drive assembly and a process cartridge.
  • an image forming apparatus forms an image on a printing medium according to an input image signal.
  • a printer, a copying machine, a facsimile machine, and a multifunction peripheral (MFP) having a combined function of the above devices belong to an image forming apparatus.
  • MFP multifunction peripheral
  • the image forming apparatus forms a desired image in accordance with the following procedure.
  • the surface of the photosensitive drum is charged to a predetermined potential; the laser scanner emits laser light onto the surface of the photosensitive drum to form an electrostatic latent image; and the developer is supplied to the electrostatic latent image on the photosensitive drum by a developing roller to obtain a visible image;
  • the visible developer image developed on the photosensitive drum is transferred onto the printing medium directly or through an intermediate transfer medium; finally, it is fixed onto the printing medium by a fixing process.
  • the process cartridge of the image forming apparatus forms a visible image on the surface of the photosensitive drum by supplying the developer to the photosensitive drum.
  • the process cartridge is divided into an integral and a split type, wherein the integrated body is configured to include a powder magazine, a charging unit, a developing unit, and a photosensitive drum, and the split type does not include a photosensitive drum.
  • the process cartridge is detachably mounted to the main body of the image forming apparatus.
  • the process cartridge operates by receiving a driving force of the image forming apparatus by a photosensitive drum driving assembly mounted at one end of the photosensitive drum.
  • U.S. Patent Application Publication No. US20080152388A1 discloses a process cartridge in which the photosensitive drum drive assembly at the end of the photosensitive drum adopts a spherical ball joint structure.
  • This drive structure has the following disadvantages: the ball open universal joint is easy to be driven from the gear In the middle, especially during the transportation process, this phenomenon is more likely to occur. .
  • the invention provides a driving head, a driving assembly and a processing box to solve the problem that the driving head is easy to be detached during transportation in the prior art.
  • a drive head mountable to a gear the drive head including a shaft portion, a claw and a first elastic member, the claw being sleeved on the shaft portion, the claw being along the shaft Partial telescopic movement.
  • the shaft portion includes a work portion, a body, and a first portion.
  • the claw includes a support portion, a convex portion and a connecting portion, the connecting portion connecting the support portion and the convex portion, the number of the convex portions is two, the support portion and the first portion Elastic elements are connected, the support portion And the connecting portion is provided with a through hole, the shaft portion includes a body and a tab disposed at one end of the body, the number of the tabs is two, and the two tabs are connected by a connecting block.
  • a recess is further disposed in the vicinity of the connection portion of the connecting portion and the convex portion, and the recess is configured to receive the connecting block, and the through hole may be sleeved on the main body.
  • the convex portion is provided with a guiding surface and a locking position, and the shape of the locking position is an acute angle.
  • the claw includes a support portion, a connecting portion and a convex portion, the number of the convex portions is two, and a concave portion is formed between the convex portion and the connecting portion, and the convex portion passes through a circle
  • the ring portion includes a body and a projection disposed at one end of the body, the projection being engageable with the recess.
  • the convex portion extends inward to form a protruding wall.
  • the urging means abuts the jaws, and the urging means forces the jaws to telescopically move along the shaft portion.
  • the pushing device includes a push rod and a second elastic member, and the second elastic member is coupled to the cover and the push rod, respectively.
  • the push rod includes a pushing end, a fulcrum and a receiving end, the distance from the pushing end to the fulcrum is L1, and the distance from the end of the receiving end to the fulcrum is L2, L1/ L2 ⁇ 2.
  • a process cartridge comprising the drive assembly of any of the above.
  • a process cartridge comprising a casing, a cover, a gear train, the gear train being located under the cover, the gear train comprising an intermediate gear, a developing roller gear and a powder feeding roller gear, wherein the intermediate gear is respectively
  • the developing roller gear meshes with the powder roller gear
  • the process cartridge further includes a driving head as described above connected to the intermediate gear.
  • the box further includes an urging device, the urging device includes a pushing block and a push rod, the urging block is connected to the urging rod, and the urging rod abuts the driving head,
  • the push block is provided with a hook that can receive a driving force from the image forming apparatus.
  • the push rod and the push block are respectively provided with elastic elements.
  • the urging device includes a first urging block, a second urging block and a urging rod, and the second urging block abuts the first urging block and the urging rod, respectively.
  • a push block is provided with a hook that can receive a driving force from the image forming apparatus.
  • the second push block and the push rod are respectively provided with elastic elements.
  • the driving head, the driving assembly and the processing box provided by the invention solve the problems of high precision and easy falling off of the driving head in the prior art.
  • FIG. 1 is a schematic structural view of a driving assembly according to Embodiment 1 of the present invention.
  • Embodiment 2 is a schematic structural view of a gear provided in Embodiment 1 of the present invention.
  • FIG. 3 is an exploded perspective view of a driving head according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic exploded view showing the structure of a driving assembly according to Embodiment 1 of the present invention.
  • FIG. 5 is another structural exploded view of the driving assembly according to the first embodiment of the present invention.
  • Figure 6 is a cross-sectional view showing a drive assembly according to a first embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a driving assembly according to Embodiment 2 of the present invention.
  • FIG. 8 is a schematic structural view of a gear provided according to Embodiment 2 of the present invention.
  • FIG. 9 is an exploded perspective view of a driving assembly according to Embodiment 2 of the present invention.
  • FIG. 10 is a schematic structural diagram of a process cartridge according to Embodiment 3 of the present invention.
  • Figure 11 is a cross-sectional view of the process cartridge provided in the third embodiment.
  • Figure 12 is a partially enlarged schematic view of A of Figure 14.
  • Figure 13 is a schematic exploded view of the process cartridge provided in the third embodiment.
  • FIG. 14 is a schematic structural view of a push block provided in the third embodiment.
  • Figure 15 is a schematic view showing the structure of a lifting rod provided in the third embodiment.
  • Figure 16 is a diagram showing changes in the state of motion of a drive assembly provided by the present invention or when changing from a non-operating state to an operating state.
  • Figure 17 is a diagram showing changes in the state of motion of another type of drive assembly provided by the present invention or when changing from a non-operating state to an operating state.
  • Figure 18 is a diagram showing the state change of the drive assembly of the present invention when it is disassembled or not in operation.
  • Figure 19 is a schematic view showing the structure of a process cartridge provided in the fourth embodiment.
  • Figure 20 is a schematic exploded view showing the process cartridge provided in the fourth embodiment.
  • 21 is a schematic structural view of a push block provided in the fourth embodiment.
  • Figure 22 is a schematic view showing the structure of a lifting rod provided in the fourth embodiment.
  • Figure 23 is a schematic view showing the structure of a process cartridge provided in the fifth embodiment.
  • Figure 24 is a cross-sectional view of the process cartridge provided in the fifth embodiment.
  • Figure 25 is a schematic exploded view showing the process cartridge provided in the fifth embodiment.
  • Figure 26 is a schematic view showing the structure of the lever provided in the fifth embodiment.
  • Figure 27 is a schematic view showing the structure of a slider provided in the fifth embodiment.
  • Figure 28 is a cross-sectional view of the process cartridge provided in the sixth embodiment.
  • Figure 29 is a schematic exploded perspective view of the process cartridge provided in the sixth embodiment.
  • FIG. 30 is a schematic structural view of a push block provided in Embodiment 6.
  • Figure 31 is a cross-sectional view showing the process cartridge provided in the seventh embodiment.
  • Figure 32 is a schematic exploded view showing the process cartridge provided in the seventh embodiment.
  • Figure 33 is a schematic structural view of a push block provided in the seventh embodiment.
  • Figure 34 is a schematic view showing a state of the process cartridge provided in the eighth embodiment.
  • Figure 35 is a view showing another state of the process cartridge of the eighth embodiment.
  • Figure 36 is a schematic cross-sectional view showing the eighth embodiment.
  • Figure 37 is a schematic view showing the structure of the process cartridge provided with the baffle provided in the eighth embodiment.
  • Figure 38 is a process cartridge provided in the ninth embodiment
  • Figure 39 is a schematic view showing a state of motion of the process cartridge provided in the ninth embodiment.
  • Figure 40 is a schematic view showing another state of motion of the process cartridge provided in the ninth embodiment.
  • Figure 41 is a schematic view showing the structure of a process cartridge provided in the tenth embodiment.
  • Figure 42 is a schematic view showing a state of motion of the process cartridge provided in the tenth embodiment.
  • Figure 43 is a schematic view showing another state of motion of the process cartridge provided in the tenth embodiment.
  • the driving head provided by the present embodiment includes a first elastic member 14, a shaft portion 16 and a claw 15 sleeved on the shaft portion 16.
  • the jaws 15 are telescopically movable up and down along the shaft portion 16.
  • the shaft portion 16 includes a main body 160.
  • the main body 160 has a recess 161 at one end and a tab 162 at the other end.
  • the tab 162 extends in the direction perpendicular to the axis of the main body 160.
  • the number of the tabs 162 is two, 2
  • the tabs 162 are connected by a connection block 164.
  • the shaft portion 16 is further provided with a first hole 163.
  • the shaft portion body 160 and the tab 162 may be integrally formed, and may be connected by a thread and a screw hole for facilitating the ejection.
  • the tab 162 is formed into a work shape.
  • the claw 15 includes a support portion 150, a connecting portion 151 and a convex portion 152, a convex portion 152, and the number of the convex portions 152 are two, and the connecting portion 151 connects the support portion 150 and the convex portion 152.
  • the support portion 150 and the boss portion 152 extend in the axial direction of the vertical connection portion 151.
  • One side of the support portion 150 is for connection with the first elastic member 14, and the other surface is curved or sloped for forcing the device to contact.
  • the middle of the support portion 150 and the connecting portion 151 is a through hole.
  • a recess 155 is also provided at a position where the connecting portion 151 is adjacent to the convex portion 152.
  • the recess 155 is for receiving the connection block 164.
  • the convex portion 152 guides the surface 154 and the latching position 153, and the latching position 153 forms an acute angle with the plane of the axis of the vertical connecting portion 151.
  • the drive head further includes a snap ring 13 and a pin 17 for fixing the shaft portion 16 on the first recess 161 after the shaft portion 16 is mounted to the gear 12.
  • the pin 17 is mounted on the first hole 163 for transmitting the driving force on the shaft portion 16 to the gear 12.
  • the middle of the gear 12 is a shaft hole 121, and the shaft hole 121 extends a stepped surface 123 and a guide groove 122.
  • the step surface 123 is for supporting one end of the first elastic member 13, and the guide groove 233 is for the snap pin 17.
  • the middle of the drum gear 12 is a shaft hole 121, and the shaft hole 121 extends a stepped surface 123 and a guide groove 122.
  • the step surface 123 is for supporting one end of the first elastic member 13, and the guide groove 233 is for the snap pin 17.
  • the drive head optionally includes a shaft portion 16, a jaw 15, a first pin 13, and a first resilient member 14.
  • the first pin 13 is disposed on the shaft portion 16, and the first elastic members 14 abut against the gear 12 and the claws 15, respectively.
  • the jaws 15 are sleeved on the shaft portion 16 and are telescopically movable up and down along the shaft portion 16.
  • the shaft portion 16 includes a work portion 162, a body 160, and a first portion 163.
  • the working portion 162 and the main body 160 may be integrally formed or divided.
  • the shaft portion 16 further includes a second pin 164.
  • the main body 161 is sleeved on the first portion 163.
  • the first portion 163 is provided with a shaft hole and a locking hole.
  • the locking hole is used for locking the first portion 163 and the main body 160. At least a part of the main body 160 is exposed from the direction of the locking hole (the locking hole is not located at the center line of the main body 161), and the second pin 164 passes through the locking hole. In the case of an interference fit, the shaft body 161 and the first portion 163 are locked.
  • the present embodiment differs from the first embodiment in that the structure of the driving head is different.
  • the drive head includes a pawl 15 and a shaft portion 16.
  • the number of the convex portions 152 of the claws 15 is two, the two convex portions 152 are connected by the ring 156, and the convex portion 152 extends inwardly to provide a protruding wall 157 for receiving power on the driving head of the image forming apparatus.
  • the power of the transmission department includes a pawl 15 and a shaft portion 16.
  • One end of the shaft portion 16 is a first recess 161, and the second end is a protrusion 162 for engaging with a second recess on the claw 15 to receive the driving force of the claw 15.
  • the gear 12 is different from the first embodiment in that the intermediate portion of the first embodiment and the gear portion are directly connected by a plane.
  • a plurality of reinforcing ribs are provided in the second embodiment.
  • the structure of the photosensitive drum gear 12 in the two embodiments is Can be interchanged.
  • the process cartridge 10 provided in this embodiment includes a waste toner box 2 and a powder bin 1, and the waste toner box 2 includes a photosensitive drum 11 on which a driving force is received from the image forming apparatus.
  • the photosensitive drum drive unit 20 is provided with a photosensitive drum gear 12 on the photosensitive drum 11.
  • the same side of the process cartridge 1 as the photosensitive drum drive unit 20 is provided with a cover 3 for supporting and protecting a gear train (not shown), and the gear train includes a developing roller gear and a powder feed roller gear. .
  • the drum drive assembly 20 includes a drive head disposed on the drum gear 12 and a pushing device disposed on the cover.
  • the structure of the driving head has been described in the first embodiment and the second embodiment, and details are not described herein again.
  • the pushing device includes a push rod 21 and a second elastic member 22, and the push rod 21 includes a first opening 214 and a second opening 215, and the push rod 21 includes a first end 212 and a second end 213, and the first end 212 is used Accepting the thrust of the imaging device, such as the cover of the imaging device.
  • the second end 213 is in contact with the support portion 150 of the claw 15 and is provided with an arcuate guide surface.
  • the second elastic member 22 is disposed between the first openings 214 to connect the push rod 21 and the cover 3, respectively.
  • the push rod 21 In the normal state, under the action of the second elastic member 22, the push rod 21 is moved toward the first end 212, and after the first end 212 receives the forced thrust of the cover of the image forming apparatus, the force of the second elastic member 22 is overcome. The push rod 21 is moved toward the second end 213.
  • the pusher device also includes a lever 23 that includes a lever body 230, a second bore 232 disposed on the lever body 230, a third end 231 and a fourth end 233 of the lever 23.
  • the third end 231 can receive a lifting force on the imaging device track, and the fourth end 233 can be in contact with the support portion 150.
  • the second hole 232 and the second opening 215 are mounted on the boss of the cover.
  • the second hole 232 is included by the second opening 215 as seen from the direction of one end of the process cartridge 10.
  • the lever 23 is used to overcome the biting force between the claw 15 and the driving head of the image forming apparatus. Specifically, from When the process cartridge 10 is removed, the process cartridge needs to be lifted up, and the third end 231 of the lever 23 abuts the track of the image forming apparatus to apply a lifting force to the track, and the track reacts a force to the lever, and the third of the lever The end 231 will go down, and accordingly the fourth end 233 will go away. Because the fourth end 233 is in contact with the supporting portion 150, the supporting portion 150 will be biased in the direction of the photosensitive drum gear 12, so that the card position 153 and the imaging The device drive head is separated.
  • FIG. 16 is a state diagram of the process cartridge provided to the image forming apparatus according to the present invention
  • FIG. 17 is another state diagram of the process cartridge provided by the present invention mounted to the image forming apparatus, as shown in FIG. 16 and
  • A is a state diagram before the photosensitive drum drive head is in contact with the image forming apparatus drive head
  • B is a state diagram in which the photosensitive drum drive head is in contact with the image forming apparatus drive head
  • C is a normal operation state diagram.
  • the jaws 15 and the imaging device drive head 30 will contract in opposite directions, wherein the imaging device drive head 30 is contracted by a distance of about 2 mm and the jaws 15 are contracted by a distance greater than 3 mm, preferably 4.5 mm.
  • the driving force and the guiding surface 154 it is mounted to the working position, and then the cover of the image forming apparatus is closed, and the cover will give the push rod 21 a forced thrust so that the pushing rod 21 no longer offsets the force F1 of the first elastic member 14.
  • the claw 15 Under the force F1 of the first elastic member 14, the claw 15 will move in the direction toward the driving head 30 of the image forming apparatus, and likewise the image forming apparatus 30 drives the head 30 to move in the direction of the claw 15, and the image forming apparatus drives the head 30 to rotate to a predetermined position.
  • the position is that the power transmitting portion of the image forming apparatus driving head 30 is rotated to a position opposite to the convex surface 162, and the image forming apparatus driving head 30 and the claws 15 are both returned to the working position, and the image forming apparatus driving head 30 continues to rotate, and the power transmitting portion thereon Engaging with the card position 153, thereby driving the claw 15 to rotate, the claw transmits power to the shaft portion 16 through the cooperation of the convex surface 162 and the recess 155, and the shaft portion 16 transmits power to the photosensitive drum gear 12.
  • Figure 18 is a view showing the action state of the process cartridge being detached from the image forming apparatus.
  • the card position 153 can be driven with the power of the image forming apparatus driving head 30.
  • the force receiving portion is separated, thereby taking out the process cartridge 10 from the image forming apparatus.
  • the described gear 12 is the photosensitive drum gear 12, but it may also be an intermediate gear, and the push rod 21 receives the forced thrust of the machine cover to push the drive head, and may also accept other positions.
  • the thrust is provided to force the drive head. The forced thrust of the above intermediate gear and other positions will be explained in the following embodiments.
  • the pushing device provided in this embodiment includes the push rod 21 And the lever 23, the cover 3 is provided with a recessed portion 31 for accommodating the push rod 21, and the cover 3 is further provided with a flap 33 for the flap 33 The recess 31 is blocked after the pusher 21 is mounted.
  • the stopper 33 is provided with a snap hole and a screw hole for mounting the fixed push rod 21 and the lever 23.
  • the pushing device includes a push rod 21 and a second elastic member 22, and the push rod 21 includes a first opening 214 and a second opening 215, and the push rod 21 includes a first end 212 and a second end 213, and the first end 212 is used Accepting the thrust of the imaging device, such as the cover of the imaging device.
  • the second end 213 is in contact with the support portion 150 of the claw 15 and is provided with an arcuate guide surface.
  • the second elastic member 22 is disposed between the first openings 214 to connect the push rod 21 and the cover 3, respectively.
  • the push rod 21 In the normal state, under the action of the second elastic member 22, the push rod 21 is moved toward the first end 212, and after the first end 212 receives the forced thrust of the cover of the image forming apparatus, the force of the second elastic member 22 is overcome. The push rod 21 is moved toward the second end 213.
  • the pushing device further includes a lever 23 and a third elastic member 24, and the lever 23 includes a main body 230, a second hole 233 provided on the main body 230, and both ends of the lever 23 (the third end 231 and the fourth end 232).
  • the third end 231 can receive a lifting force on the imaging device track, and the fourth end 232 can be in contact with the support portion 150.
  • the second hole 233 and the second opening 215 are mounted on the boss of the cover.
  • the second hole 233 is included by the second opening 215 as viewed in the direction of one end of the process cartridge 10.
  • the cover 3 is provided with a support block 32.
  • the third end 231 of the lever 23 is further provided with a boss 234.
  • the two ends of the third elastic member 24 are respectively connected with the support block 32 and the boss 234. Under the action of the third elastic member 24, the lever 23 is held in the initial position without being subjected to an external force.
  • the present embodiment is different from the above embodiment in that the structure of the urging means is different, and the urging means includes a lever 27, a slider 23, and an elastic member which are provided on the cover 3.
  • the lever 27 includes a force receiving end 210, a pushing end 212 and a fulcrum 211.
  • the lever 27 further includes a bent portion 213, and the pushing end 212 is disposed at the front end of the bent portion 213.
  • the slider 23 includes a lower support portion 220, an upper support portion 221, and a slope portion 222.
  • the elastic element comprises a third elastic element 24 and a fourth elastic element 24, the third elastic element 28 being arranged on the lever and the fourth elastic element 24 being connected to the slider 23.
  • the lever 27 is mounted on the support hole 23 of the cover 3 via the support shaft 26, and the third elastic member 28 is also disposed on the support shaft 26.
  • the lever 27 is movable about the fulcrum 271.
  • the fourth elastic members 24 are respectively connected to the support positions on the slider 23 and the cover 3, and the slider 23 is movable up and down on the cover 3.
  • the slope portion 232 of the slider 23 abuts against the force receiving end 270 of the lever 27.
  • the upper support portion 230 of the slider 23 can accept pressure on the track of the imaging device.
  • the upper support portion 231 of the slider 23 is subjected to a force on the track of the image forming apparatus to overcome the fourth elastic member 24, the slider 23 is forced to move downward, and the lever 27 is pressed against the force of the third elastic member 28 by the slope portion 232, and the pushing end 272 of the lever 27 is moved in the direction of the photosensitive drum gear 12 (the force end 270) Moving away from the cover 3, so that the raised portion 153 of the claw 15 is moved to a position substantially parallel to the work member 14, facilitating the drive head 40 to be smoothly loaded or unloaded.
  • the lever 27 is used to overcome the biting force between the claw 15 and the driving head of the image forming apparatus. Specifically, when the process cartridge 10 is detached from the image forming apparatus, the process cartridge needs to be lifted up, and the third end 271 of the lever 27 abuts the track of the image forming apparatus to apply a lifting force to the rail, and the rail reacts a force to the lever. The third end 271 of the lever will go down, and accordingly the fourth end 273 will go away. Since the fourth end 273 is in contact with the support portion 150, the force of the support portion 150 in the direction of the photosensitive drum gear 12 is made, so that the card Bit 153 is separated from the imaging device drive head.
  • the present embodiment is different from the above-described embodiment in that the structure of the urging means is different, and the urging means further includes the urging rod 21.
  • the pressing rod 21 is further provided with a second elastic member 22, and the pressing rod 21 is disposed at the recess of the cover 3, and the second elastic member 22 is connected to the push rod 21 and the cover 3, respectively.
  • the cover 3 further includes a baffle 6 on which the support hole 23 can be disposed. The baffle 6 is used to shield the recess of the cover 3.
  • the pusher 21 includes a first end for contacting the cover of the image forming apparatus and a second end opposite to the first end, and an opening 210 is disposed on the upper end of the first end, and the support post 211 is located in the opening.
  • the push rod 21 is substantially strip-shaped, and a concave surface 212 is disposed on the second end, and the concave surface 212 is engaged with the second end through the inclined surface 213.
  • the first end of the pusher 21 is beyond the cover 3, and the plane of the second end of the pusher 21 is
  • the support portion 223 on the back side of the slider 23 is in contact with the urging force of the fourth elastic member 24, so that the pushing end 212 of the lever 27 is moved in the direction of the photosensitive drum gear 12, so that the convex portion 153 of the claw 15 is moved to
  • the substantially parallel position of the forming member 14 facilitates the smooth loading or unloading of the drive head 40.
  • the push rod 21 is forced to move in the direction of the driving head 40 against the force of the second elastic member 22, and the slider 23 moves upward under the action of the fourth elastic member 24,
  • the lever 27 moves in a direction away from the photosensitive drum gear 12 by the third elastic member 28, and the claw 15 moves in a direction away from the photosensitive drum gear 12 by the third elastic member 17, and the boss portion of the claw 15 153 is located above the forming member 14.
  • a foolproof device may be provided, and the position of the push rod 21 and the cover 3 is fixed by providing a plug to prevent the pusher 21 from being pushed into the working state before the installation. It is true that even if the foolproof device is not added, the jaws can return to the substantially parallel to the workpiece under the force of the imaging device track to the slider during installation. position.
  • the difference between the embodiment and the eighth embodiment is that the structure of the push rod 21 is different.
  • the push rod 21 includes a first opening 210 and a second opening 214, and the push rod is pushed.
  • 21 includes a first end for receiving an urging force of the imaging device, such as a cover of the imaging device, and a second end. The second end is in contact with the support portion 150 of the claw 15, and an arcuate guide surface is provided thereon.
  • the second elastic member 22 is disposed between the first openings 210 and connects the pressing push rod 21 and the cover 3, respectively.
  • the push rod 21 Under normal conditions, under the action of the second elastic member 22, the push rod 21 is forced to move toward the first end, and after the first end receives the forced thrust of the cover of the image forming apparatus, the force of the fourth elastic member 27 is overcome. The push rod 21 is forced to move in the direction of the second end.
  • the push block is used to control the jaws to overcome or receive the force of the third elastic element such that the jaws can move up and down along the shaft portion.
  • the lever is used to overcome the bite force of the claw and the driving head of the image forming apparatus, so that the photosensitive drum driving assembly and the process cartridge provided by the embodiment are more easily taken out from the image forming apparatus.
  • the present embodiment is different from the above embodiments in that the pressing device is different, and the photosensitive drum driving unit 20 includes a driving head provided on the photosensitive drum gear 7 and a cover 4
  • the upper pushing device in particular, the pushing device comprises a push rod 21 and a second elastic member 22.
  • the pusher 21 includes: a pusher end 210, a fulcrum 211 and a force receiving end 212.
  • the pusher lever 21 further includes two bent portions, and the pushing end 210 and the force receiving end 212 are respectively disposed at the ends of the two bent portions. unit.
  • a support post 213 is disposed between the fulcrum 211 and the push end 210.
  • a second elastic member 22 is disposed on the support post 213, and the second elastic member 22 is coupled to the push rod 21 and the cover 4, respectively.
  • the distance between the end of the pushing end 210 and the fulcrum 211 is L1
  • the distance between the receiving end and the fulcrum is L2, where L1/L2 ⁇ 2.
  • FIG. 33 when the process cartridge of the present embodiment is in a normal state, the jaws and the workpiece are in substantially parallel positions, and FIG. 33 is the photosensitive drum drive assembly and the processing cartridge, and the imaging device is Under the action of the cover, the pushing end 210 of the push rod 21 is moved toward the process cartridge 1 to overcome the force of the second elastic member 22, so that the force receiving end 212 moves away from the photosensitive drum gear 12, the claw 23 is moved in a direction away from the photosensitive drum gear 12 by the action of the first elastic member 14, and a projection on the claw projects from the opening.
  • the cover 4 may also be provided with a baffle 6 for protecting the lever 27.
  • Baffle 6 with The cover 4 may be attached to one side of the process cartridge 1 by screws, or may be fixed by providing a snap.
  • the present embodiment differs from the third to eighth embodiments in that the driving head is not disposed on the photosensitive drum gear but on the intermediate gear, and the structure of the pushing device is also different.
  • the process cartridge 10 provided by the embodiment includes a case body 1, a cover 3 and a drive assembly 10, and the drive assembly includes a pushing device and a drive head, and the drive head includes a shaft portion 16 and a card sleeved on the shaft portion 16. Claw 15.
  • the pushing device can cause the jaws 15 to move up and down along the shaft portion 16.
  • the cover 3 is for supporting the gear train and the drive assembly 10, and the gear train includes an intermediate gear, a developing roller gear, a powder feed roller gear, and the like.
  • the drive head is coupled to the intermediate gear, and the intermediate gear is meshed with the developing roller gear and the developing roller gear, respectively, and the driving head receives the driving force from the image forming apparatus and transmits it to the developing roller gear and the powder feeding roller gear.
  • the pushing device comprises a first pushing block 60, a second pushing block 50, a second elastic element 6 and a push rod 21, and the first pushing block 60 abuts the second pushing block 50, and the second pushing block 50 abuts the pusher 21 .
  • the first push block 60 can force the second push block 50 to cause the push rod 21 in contact with the second push block 50 to move, and the push rod 21 forces the drive head to expand and contract.
  • the first pushing block 50 is rotatably disposed on the side wall of the toner box, and the first pressing block 60 is provided with a shaft hole 63 in the middle, and the two ends are respectively a block portion (61, 62), and one end is provided with a hook 64
  • the hook 64 can receive the driving force from the image forming apparatus, thereby driving the first pushing block 60 to rotate, and the first pushing block 60 transmits the driving force to the driving head through the second pushing block 50 and the pushing rod 21 finally.
  • the second pushing block 50 is rotatably disposed on the side wall of the container, and includes an intermediate shaft 52 having two pushing ends (51, 52), and two pushing ends respectively and the first pushing block 60
  • the pressing member 21 is abutted, and the second pushing block 50 is further provided with an elastic member for returning the second pushing block 50 to the original position.
  • the forced push rod 21 includes a fulcrum, a force receiving end and a forced pushing end.
  • the force receiving end is connected with the second pushing block, and the pushing block is connected with the driving head, and the pushing rod is further provided with an elastic element.
  • the drive head includes a first resilient member 14, a shaft portion 16 and a jaw 15 that is sleeved over the shaft portion 16.
  • the jaws 15 are telescopically movable up and down along the shaft portion 16. The detailed structure of the driving head is described in the first embodiment and the second embodiment.
  • the processing box provided by the embodiment solves the precision requirement of the driving head in the prior art by setting the driving head so that the claws are vertically extended and contracted along the shaft, and then the pressing device is arranged to force the claws to extend up and down along the axis of the driving head. High and easy to fall off problems.
  • the present embodiment is not described again in the same manner as in Embodiment 9, except that the pushing device only includes the first forced The block 60 and the push rod 21 are pushed.
  • the one end 63 of the first pusher block is longer than the one end 63 of the first embodiment, and the mounting position of the push rod 21 is lower than that of the first embodiment.
  • the driving head, the driving assembly and the processing box provided by the invention solve the problems of high precision and easy falling off of the driving head in the prior art.
  • the elastic member mentioned in each of the above embodiments may be a spring, a compression spring, a leaf spring, a leaf spring or other elastically deformable element, which is not limited thereto.
  • the drive head described in the above embodiments is mounted on the drum gear or the intermediate gear, and optionally it may be arranged to be mounted on the shadow roller gear.
  • the pusher device provided by the present invention pushes the pusher device to realize the positional switching of the claw by the pusher of the cover or the pulling of the image forming apparatus by providing the pusher, the pusher block and/or the lever.
  • the pusher device of the present invention may be replaced by other known methods, such as by means of setting an electromagnetic relay (201310418996.3) or a drawstring (CN 201310469314.1).

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Abstract

一种驱动头（40）、驱动组件（20）及处理盒（10），其中驱动头（40）可安装到齿轮（12）上，所述驱动头（40）包括轴部分（16）、卡爪（15）和第一弹性元件（14），所述卡爪（15）套设在所述轴部分（16）上，所述卡爪（15）可沿所述轴部分（16）伸缩运动。所述驱动头（40）、驱动组件（20）及处理盒（10）具有驱动头（40）不易脱落的优点。

Description

驱动头、驱动组件及处理盒 技术领域
本发明涉及一种驱动头、驱动组件及处理盒。
背景技术
通常，成像设备根据输入的图像信号在打印介质上形成图像。例如，打印机、复印机、传真机和具有上述设备的组合功能的多功能外设(MFP)都属于成像设备。
具体地讲，成像设备按照下面的过程形成期望的图像。首先，将感光鼓表面充电到预定电势；激光扫描仪发射激光到感光鼓的表面上，以形成静电潜像；通过显影辊将显影剂供应给感光鼓上的静电潜像而获得可视图像；接着，在感光鼓上显影的可视显影剂图像直接或通过中间转印介质转印到打印介质上；最后经过定影过程定影到打印介质上。
在上述过程期间，成像设备的处理盒通过将显影剂供应给感光鼓而在感光鼓的表面上形成可视图像。通常，处理盒分为一体和分体式，其中一体式被构造成包括粉仓、充电单元、显影单元和感光鼓，而分体式则不包括感光鼓。且处理盒可拆卸地安装到成像设备的主体上。
通常，处理盒通过装配在感光鼓一端的感光鼓驱动组件接受成像设备的驱动力而工作。美国专利申请公开说明书US20080152388A1公开了一种处理盒，其感光鼓端部的感光鼓驱动组件采用圆球式万向节结构，这种驱动结构存在有如下不足：圆球开万向节容易从齿轮中脱出，特别是在运输过程当中，此现象更易出现。。
发明内容
本发明提供一种驱动头、驱动组件及处理盒，以解决现有技术中驱动头在运输中容易脱出的问题。
本发明的上述技术目的是采用如下技术方案予以实现：
一种驱动头，其可安装到齿轮上，所述驱动头包括轴部分、卡爪和第一弹性元件，所述卡爪套设在所述轴部分上，所述卡爪可沿所述轴部分伸缩运动。
所述所述轴部分包括：工形部、主体和第一部分。
所述卡爪包括支撑部、凸起部和连接部，所述连接部连接所述支撑部和凸起部，所述凸起部的个数为2个，所述支撑部与所述第一弹性元件连接，所述支撑部 和所述连接部上设置有通孔，所述轴部分包括主体和设置在所述主体一端的凸片，所述凸片的个数为2个，所述2个凸片通过连接块相连，所述连接部与所述凸起部连接处附近还设置有凹陷，所述凹陷用于容纳所述连接块，所述通孔可套设在所述主体上。
所述凸起部上设置有导向面和卡位，所述卡位的形状为锐角。
所述卡爪包括支撑部、连接部和凸起部，所述凸起部的个数为2个，所述凸起部与所述连接部之间形成有凹陷，所述凸起部通过圆环连接，所述轴部分包括主体和设置在主体一端的突块所述突块可与所述凹陷啮合。
所述凸起部往内延伸形成有突壁。
一种驱动组件，其可拆卸安装到处理盒，所述处理盒包括护盖，所述驱动组件包括安装在齿轮上的上述任一所述的驱动头，所述驱动组件还包括迫推装置，所述迫推装置与所述卡爪抵接，所述迫推装置可迫使所述卡爪沿所述轴部分伸缩运动。
所述迫推装置包括迫推杆和第二弹性元件，所述第二弹性元件分别与所述护盖和所述迫推杆连接。
所述迫推杆包括迫推端、支点和受力端，所述迫推端端部到所述支点的距离为L1，所述受力端端部到所述支点的距离为L2，L1/L2≥2。
一种处理盒，所述处理盒包括上述任一所述的驱动组件。
一种处理盒，其包括盒体、护盖、齿轮系，所述齿轮系位于所述护盖下，所述齿轮系包括中间齿轮、显影辊齿轮和送粉辊齿轮，所述中间齿轮分别与所述显影辊齿轮和所述粉辊齿轮啮合，所述处理盒还包括与所述中间齿轮连接的如上述任一所述驱动头。
所述处盒还包括迫推装置，所述迫推装置包括迫推块和迫推杆，所述迫推块与所述迫推杆连接，所述迫推杆与所述驱动头抵接，所述迫推块上设置有可从成像设备上接受驱动力的挂钩。
所述迫推杆和所述迫推块上分别设置有弹性元件。
所述迫推装置包括第一迫推块、第二迫推块和迫推杆，所述第二迫推块分别与所述第一迫推块、所述迫推杆抵接，所述第一迫推块上设置有可从成像设备上接受驱动力的挂钩。
所述第二迫推块和所述迫推杆上分别设置有弹性元件。
本发明提供的驱动头、驱动组件及处理盒，解决了现有技术中驱动头精度要求高和容易脱落的问题。
本发明的其它特征和优点将在随后的说明书中阐述，并且，部分地从说明书变得显而易见，或者通过实施本发明而了解。本发明的目的和其他优点可通过在说明书、权利要求书以及附图中所特别指出的结构实现和获得。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例一提供的驱动组件的结构示意图。
图2是本发明实施例一提供的齿轮的结构示意图。
图3是本发明实施例一提供的驱动头的分解示意图。
图4是本发明实施例一提供的驱动组件的一种结构分解示意图。
图5是本发明实施例一提供的驱动组件的另一种结构分解示意图。
图6是本发明实施例一提供的驱动组件的剖面图。
图7是本发明实施例二提供的驱动组件的结构示意图。
图8是本发明实施例二提供的齿轮的结构示意图。
图9是本发明实施例二提供的驱动组件的分解示意图。
图10是本发明实施例三提供的处理盒的结构示意图。
图11是实施例三提供的处理盒的剖视图。
图12是图14中A的局部放大示意图。
图13是实施例三提供的处理盒的分解结构示意图。
图14是实施例三提供的迫推块的结构示意图。
图15是实施例三提供的抬杆的结构示意图。
图16是本发明提供的驱动组件的一种装机或从非工作状态变化到工作状态时的运动状态变化图。
图17是本发明提供的驱动组件的另一种装机或从非工作状态变化到工作状态时的运动状态变化图。
图18是本发明提供的驱动组件的拆机或非工作时的状态变化图。
图19是实施例四提供的处理盒的结构示意图。
图20是实施例四提供的处理盒的分解结构示意图。
图21是实施例四提供的迫推块的结构示意图。
图22是实施例四提供的抬杆的结构示意图。
图23是实施例五提供的处理盒的结构示意图。
图24是实施例五提供的处理盒的剖视图。
图25是实施例五提供的处理盒的分解结构示意图。
图26是实施例五提供的杠杆结构示意图。
图27是实施例五提供的滑块的结构示意图。
图28是实施例六提供的处理盒的剖视图。
图29是实施例六提供的处理盒的分解结构示意图。
图30是实施例六提供的迫推块的结构示意图。
图31是实施例七提供的处理盒的剖视图。
图32是实施例七提供的处理盒的分解结构示意图。
图33是实施例七提供的迫推块的结构示意图。
图34是实施例八提供的处理盒的一种状态示意图。
图35是实施例八的处理盒的另一种状态示意图。
图36是实施例八的剖面示意图。
图37是实施例八提供的处理盒装上挡板后的结构示意图。
图38是实施例九提供的处理盒
图39是实施例九提供的处理盒的一种运动状态示意图。
图40是实施例九提供的处理盒的另一种运动状态示意图。
图41是实施例十提供的处理盒的结构示意图。
图42是实施例十提供的处理盒的一种运动状态示意图。
图43是实施例十提供的处理盒的另一种运动状态示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例一
如图1至图6所示，本实施例提供的驱动头包括第一弹性元件14，轴部分16和套设在轴部分16上的卡爪15。卡爪15可沿轴部分16上下伸缩运动。
轴部分16包括主体160，主体160，主体160的一端设置有凹陷161，另一端设置有凸片162，凸片162沿垂直主体160轴线的方向延伸，凸片162的个数为2个，2个凸片162通过连接块164连接。轴部分16上还设置有第一孔163，轴部分主体160与凸片162可以为一体成型，为便于出模也可以是通过螺纹与螺孔的连接。凸片162成工形。
卡爪15包括支撑部150，连接部151和凸起部152，凸起部152，凸起部152的个数为两个，连接部151连接支撑部150和凸起部152。支撑部150和凸起部152沿垂直连接部151轴向方向延伸。支撑部150的一面用于与第一弹性元件14连接，另一面为弧形或有坡度的面，用于迫推装置接触。支撑部150和连接部151的中间为通孔。连接部151靠近凸起部152的位置还设置有凹陷155。凹陷155用于容纳连接块164。凸起部152导向面154和卡位153，卡位153与垂直连接部151轴线的平面形成一锐角。
驱动头还包括卡环13和销17，卡环13用于在轴部分16安装到齿轮12之后，套设在第一凹陷161上固定轴部分16。销17安装在第一孔163上，用于将轴部分16上的驱动力传递至齿轮12。
齿轮12中间为轴孔121，轴孔121往处延伸有台阶面123及导槽122。台阶面123用于支撑第一弹性元件13的一端，导槽233用于卡接销17。
感光鼓齿轮12中间为轴孔121，轴孔121往处延伸有台阶面123及导槽122。台阶面123用于支撑第一弹性元件13的一端，导槽233用于卡接销17。
如图6所示，可选地驱动头包括：轴部分16、卡爪15、第一销13和第一弹性元件14。第一销13设置在轴部分16上，第一弹性元件14分别与齿轮12和卡爪15抵接。卡爪15套设在轴部分16上，其可沿轴部分16上下伸缩运动。轴部分16包括：工形部162、主体160和第一部分163。工形部162和主体160可一体成型也可以分体，轴部分16还包括第二销164，主体161套设在第一部分163上，第一部分163上设置有轴孔和锁孔，轴孔用于安装主体161，锁孔用于锁定第一部分163和主体160，从锁孔的方向看至少有一部分主体160裸露(锁孔不位于主体161的中心线)，第二销164穿过锁孔，在过盈配合的情况下，锁死轴主体161和第一部分163。
实施例二
本实施例与实施例一的相同之处不再赘述。如图7至图9所示，本实施中与实施例一不同之处在于，驱动头的结构有所不同。
具体地，驱动头包括卡爪15和轴部分16。卡爪15的凸起部152个数为2个，2个凸起部152通过圆环156连接，凸起部152往内延伸设置突壁157，突壁157用于接受成像设备驱动头上动力传递部的动力。
轴部分16的一端为第一凹陷161，第二端为突块162，突块162用于与卡爪15上的第二凹陷配合，接受卡爪15的驱动力。
齿轮12与实施例一不同之处在于，实施例一的中间部分与齿轮部分是通过平面直接连接，实施例二中设置了多个加强筋，诚然两个实施例中感光鼓齿轮12的结构是可以互换的。
实施例三
如图10至图15所示，本实施例提供的处理盒10，包括废粉仓2和粉仓1，废粉仓2包括感光鼓11，感光鼓11上设置有从成像设备接受驱动力的感光鼓驱动组件20，感光鼓11上设置有感光鼓齿轮12。处理盒1上与感光鼓驱动组件20相同的一侧设置有护盖3，护盖3用于支撑和保护齿轮系(图上未示出)，齿轮系包括显影辊齿轮和送粉辊齿轮等。
感光鼓驱动组件20包括设置在感光鼓齿轮12上的驱动头和设置在护盖上的迫推装置。驱动头的结构在实施例一和实施例二已经描述，在此不再赘述。
迫推装置包括迫推杆21和第二弹性元件22，迫推杆21包括第一开口214和第二开口215，迫推杆21包括第一端212和第二端213，第一端212用于接受成像设备的迫推力，如成像设备的盖子。第二端213与卡爪15的支撑部150接触，其上设置有弧形导向面。第二弹性元件22设置在第一开口214之间，分别连接迫推杆21和护盖3。正常状态下，在第二弹性元件22的作用下，迫推杆21往第一端212方向运动，在第一端212接受到成像设备盖子的迫推力后克服第二弹性元件22的作用力，迫推杆21往第二端213的方向运动。
迫推装置还包括杠杆23，杠杆23包括杠杆主体230，设置在杠杆主体230上的第二孔232，杠杆23的第三端231和第四端233。第三端231可接受成像设备轨道上的抬升力，第四端233则可与支撑部150接触。第二孔232和第二开口215安装在护盖的凸台上。从处理盒10的一端方向看，第二孔232被第二开口215所包含。
杠杆23用于克服卡爪15与成像设备驱动头之间的咬合力。具体地，从成 像设备拆下处理盒10时，需要将处理盒往上提，杠杆23的第三端231与成像设备的轨道抵接会给轨道施加一个抬升力，轨道反作用一个力给杠杆，杠杆的第三端231将往下走，相应地第四端233将往走，因第四端233与支撑部150接触，会给支撑部150一个往感光鼓齿轮12方向的作用力，使得卡位153与成像设备驱动头分离。
图16为本实用新型提供的处理盒安装到成像设备的一种状态图，图17是本实用新型提供的处理盒安装到成像设备的另一种状态图，如图16和图17所示:A为感光鼓驱动头与成像设备驱动头30接触之前的状态图，B为感光鼓驱动头与成像设备驱动头30接触的状态图，C为正常工作状态图。处理盒10在从安装到正常使用时，首先用户在安装处理盒10时会在X方向施加一个推动力，在处理盒驱动头与成像设备驱动力接触后，在此推动力的作用下，卡爪15和成像设备驱动头30会往相反的方向收缩，其中成像设备驱动头30收缩的距离约为2mm，卡爪15收缩的距离大于3mm，优选地为4.5mm。在推动力及导向面154的作用下，安装到工作位置，随即关下成像设备的盖子，盖子将给迫推杆21一迫推力使得迫推杆21不再抵消第一弹性元件14的作用力F1，在第一弹性元件14的作用力F1下，卡爪15将往向成像设备驱动头30的方向移动，同样成像设备驱动头30往卡爪15的方向移动，成像设备驱动头30旋转到预定位置也即是成像设备驱动头30动力传递部旋转到与凸面162相对的位置，成像设备驱动头30与卡爪15均回到工作位置，成像设备驱动头30继续转动，其上的动力传递部与卡位153咬合，从而带动卡爪15转动，卡爪通过凸面162与凹陷155的配合传递动力至轴部分16，轴部分16则将动力传递到感光鼓齿轮12。
图18所示为处理盒从成像设备拆下的动作状态图，如图13所示，在迫推装置的作用力F1‘，F2’下，卡位153能够与成像设备驱动头30上的动力受力部分离，从而将处理盒10从成像设备中拿出。
在上述状态变化的描述中，所描述到的齿轮12为感光鼓齿轮12，但是其还可以是中间齿轮，迫推杆21接受机器盖子的迫推力来迫推驱动头，还可以是接受其它位置提供的迫推力来迫推驱动头。以上中间齿轮和其它位置的迫推力将在下文的实施例进行阐述。
实施例四
如图19至图21所示，本实施例中与上述各实施例相同之处不再赘述，其不同之处在于迫推装置有所不同，本实施例提供的迫推装置包括迫推杆21和杠杆23，护盖3上设置有凹陷部31，其用于容纳迫推杆21，护盖3上还设置有挡片33，挡片33用 于在迫推杆21安装好之后遮挡凹陷部31。挡片33上设置有卡扣和螺丝孔，螺丝孔用于安装固定迫推杆21和杠杆23。
迫推装置包括迫推杆21和第二弹性元件22，迫推杆21包括第一开口214和第二开口215，迫推杆21包括第一端212和第二端213，第一端212用于接受成像设备的迫推力，如成像设备的盖子。第二端213与卡爪15的支撑部150接触，其上设置有弧形导向面。第二弹性元件22设置在第一开口214之间，分别连接迫推杆21和护盖3。正常状态下，在第二弹性元件22的作用下，迫推杆21往第一端212方向运动，在第一端212接受到成像设备盖子的迫推力后克服第二弹性元件22的作用力，迫推杆21往第二端213的方向运动。
迫推装置还包括杠杆23和第三弹性元件24，杠杆23包括:主体230，设置在主体230上的第二孔233，杠杆23的两端(第三端231和第四端232)。第三端231可接受成像设备轨道上的抬升力，第四端232则可与支撑部150接触。第二孔233和第二开口215安装在护盖的凸台上。从处理盒10的一端方向看，第二孔233被第二开口215所包含。
护盖3上设置有支撑块32，杠杆23的第三端231上还设置有凸台234，第三弹性元件24的两端分别与支撑块32和凸台234连接。在第三弹性元件24的作用下，杠杆23在不受外力的作用下保持在初始位置。
实施例五
如图22至图至26所示，本实施例与上述实施例不同之处在于，迫推装置的结构不同，迫推装置包括设置在护盖3上的杠杆27、滑块23和弹性元件。
杠杆27包括受力端210、迫推端212和支点211，杠杆27还包括折弯部213，迫推端212设置在折弯部213的前端。滑块23包括下支撑部220、上支撑部221和坡面部222。
弹性元件包括第三弹性元件24和第四弹性元件24，第三弹性元件28设置在杠杆上，第四弹性元件24与滑块23连接。
杠杆27通过支撑轴26安装在护盖3的支撑孔23上，第三弹性元件28也设置在支撑轴26上。杠杆27可以绕支点271运动。第四弹性元件24分别与滑块23和护盖3上的支撑位连接，滑块23可在护盖3上上下运动。其中滑块23的坡面部232与杠杆27的受力端270抵接。滑块23的上支撑部230可接受成像设备轨道上的压力。
滑块23的上支撑部231受到成像设备轨道上的作用力，克服第四弹性元件 24迫使滑块23往下运动，要坡面部232的作用下杠杆27克服第三弹性元件28的作用力，杠杆27的迫推端272将往感光鼓齿轮12的方向运动(受力端270往远离护盖3的方向运动)，从而使得卡爪15的凸起部153运动到与工形部件14基本平行的位置，便利驱动头40能够顺利装入或取出。
杠杆27用于克服卡爪15与成像设备驱动头之间的咬合力。具体地，从成像设备拆下处理盒10时，需要将处理盒往上提，杠杆27的第三端271与成像设备的轨道抵接会给轨道施加一个抬升力，轨道反作用一个力给杠杆，杠杆的第三端271将往下走，相应地第四端273将往走，因第四端273与支撑部150接触，会给支撑部150一个往感光鼓齿轮12方向的作用力，使得卡位153与成像设备驱动头分离。
实施例六
如图27至图29所示，本实施例与上述实施例的不同之处在于迫推装置的结构不同，迫推装置还包括迫推杆21。迫推杆21上还设置有第二弹性元件22，迫推杆21设置在护盖3的凹陷处，第二弹性元件22分别连接迫推杆21和护盖3。此外，可选地护盖3上还包括挡板6，支撑孔23可设在挡板6上。挡板6用于遮挡护盖3的凹处。
迫推杆21包括用于与成像设备盖子接触的第一端部和相对于第一端部的第二端部，靠近第一端的上面设置有开口210，位于开口中的支撑柱211，迫推杆21基本成条状，在靠近第二端上设置有凹面212，凹面212与第二端通过斜面213衔接。
初始位置时(处理盒装入成像设备前和从成像设备取出处理盒时)，如图17所示，迫推杆21的第一端超出护盖3，迫推杆21的第二端的平面与滑块23背面的支撑部223接触，克服第四弹性元件24的作用力，使得杠杆27的迫推端212向感光鼓齿轮12的方向移动，而使得卡爪15的凸起部153运动到与工形部件14基本平行的位置，便利驱动头40能够顺利装入或取出。
工作状态时，通过盖上成像设备的盖子，迫使迫推杆21克服第二弹性元件22的作用力往驱动头40的方向运动，滑块23在第四弹性元件24的作用下往上运动，杠杆27在第三弹性元件28的作用下往背离感光鼓齿轮12的方向移动，卡爪15在第三弹性元件17的作用下往远离感光鼓齿轮12的方向运动，卡爪15的凸起部153位于工形部件14的上方。
可选地，还可以设置有防呆装置，通过设置有插销固定迫推杆21与护盖3的位置，防止装机前人为将迫推杆21推入到工作状态。诚然，即使是不加入防呆装置，装机时在成像设备轨道对滑块的作用力下，卡爪也能回到与工形部件基本平行的 位置。
实施例七
如图30至图32所示，本实施例与实施例八的不同之处在于迫推杆21的结构不同，具体地，迫推杆21包括第一开口210和第二开口214，迫推杆21包括第一端和第二端，第一端用于接受成像设备的迫推力，如成像设备的盖子。第二端与卡爪15的支撑部150接触，其上设置有弧形导向面。第二弹性元件22设置在第一开口210之间，分别连接迫迫推杆21和护盖3。正常状态下，在第二弹性元件22的作用下，迫迫推杆21往第一端方向运动，在第一端接受到成像设备盖子的迫推力后克服第四弹性元件27的作用力，迫迫推杆21往第二端的方向运动。
推块用于控制卡爪克服或接受第三弹性元件的作用力，使得卡爪可沿轴部分上下运动。从而实现处理盒在成像设备中的装拆和正常工作。杠杆用于克服卡爪与成像设备驱动头的咬合力，使得本实施例提供的感光鼓驱动组件和处理盒更易于从成像设备中取出。
实施例八
如图33至图35所示，本实施例与上述各实施例的不同之处在于迫推装置不一样，感光鼓驱动组件20包括设置在感光鼓齿轮7上的驱动头和设置在护盖4上的迫推装置,具体地,迫推装置包括迫推杆21和第二弹性元件22。
迫推杆21包括：迫推端210、支点211和受力端212，迫推杆21还包括2个折弯部，迫推端210和受力端212分别设置在2个折弯部的端部。支点211与迫推端210之间设置有支撑柱213。支撑柱213上设置有第二弹性元件22，第二弹性元件22分别与迫推杆21和护盖4连接。
迫推端210端部与支点211的距离为L1，受力端与支点的距离为L2，其中L1/L2≥2。
如图33所示为本实施例提供的处理盒正常状态时，此时卡爪与工形部处于基本平行的位置，图33为感光鼓驱动组件及处理盒工作状态时，此时在成像设备盖子的作用下，迫推杆21的迫推端210往靠近处理盒1的方向移动，克服第二弹性元件22的作用力，使得受力端212往远离感光鼓齿轮12的方向移动，卡爪23在第一弹性元件14的作用下朝远离感光鼓齿轮12的方向运动，卡爪上的凸起从开口上伸出。
可选地，护盖4上还可设置有挡板6，挡板6用于保护杠杆27。挡板6与 护盖4可以通过螺丝安装在处理盒1的一侧，也可以是通过设置卡扣固定。
实施例九
本实施例与实施例三至八的不同之处在于，驱动头不是设置在感光鼓齿轮上而是设置在中间齿轮上，而且迫推装置的结构也有所不同。具体地，本实施例提供的处理盒10包括盒体1、护盖3和驱动组件10，驱动组件包括迫推装置和驱动头，驱动头包括轴部分16和套设在轴部分16上的卡爪15。迫推装置可使得卡爪15沿轴部分16上下伸缩运动。
护盖3用于支撑齿轮系和驱动组件10，齿轮系包括中间齿轮、显影辊齿轮和送粉辊齿轮等。驱动头与中间齿轮连接，中间齿轮分别与显影辊齿轮和显影辊齿轮啮合，驱动头从成像设备接受驱动力并传递至显影辊齿轮和送粉辊齿轮。
迫推装置包括第一迫推块60、第二迫推块50、第二弹性元件6和迫推杆21，第一迫推块60与第二迫推块50抵接，第二迫推块50与迫推杆21抵接。第一迫推块60可迫使第二迫推块50从而使得与第二迫推块50接触的迫推杆21发生运动，迫推杆21迫使驱动头上下伸缩。
第一迫推块50可转动地设置在粉盒的侧壁上，第一迫推块60中间设置有轴孔63，两端分别为块状部分(61，62)，其中一端设置有挂钩64，挂钩64可从成像设备接受驱动力，从而带动第一迫推块60转动，第一迫推块60将驱动力经第二迫推块50、迫推杆21最后传递至驱动头。
第二迫推块50可转动地设置在粉盒的侧壁上，其包括中间轴52，其有2个迫推端(51，52)，2个迫推端分别与第一迫推块60和迫推杆21抵接，第二迫推块50上还设置弹性元件，弹性元件用于将第二迫推块50恢复原位。
迫推杆21包括支点、受力端和迫推端，受力端与第二迫推块连接，迫推块与驱动头连接，迫推杆上还设置有弹性元件。
驱动头包括第一弹性元件14，轴部分16和套设在轴部分16上的卡爪15。卡爪15可沿轴部分16上下伸缩运动。驱动头的详细结构见实施例一和实施例二描述。
本实施例提供的处理盒，通过将驱动头设置成卡爪沿轴上下伸缩，再通过设置有迫推装置来迫使卡爪沿驱动头的轴上下伸缩，解决了现有技术中驱动头精度要求高和容易脱落的问题。
实施例十
本实施例如实施例九相同之处不再赘述，不同之处在于，迫推装置只包括第一迫 推块60和迫推杆21。其中，第一迫推块的一端63比实施例一的一端63更长，迫推杆21的安装位置相比实施例一更往下。
本发明提供的驱动头、驱动组件及处理盒，解决了现有技术中驱动头精度要求高和容易脱落的问题。
上述各实施例中提到的弹性元件可以是弹簧、压簧、片簧、板簧或其它可弹性形变的元件，再此不做限定。
上述各实施例中描述的驱动头安装在感光鼓齿轮或中间齿轮上，可选地其还可以设置成p显安装在影辊齿轮上。
上述实施例中，本发明提供的迫推装置是通过设置有迫推杆、迫推块和/或杠杆等，通过盖子的开关或成像设备的拉动来推动迫推装置实现卡爪的位置切换。但是可选择地，还可以通过其它已知方法来替代本实用新型中的迫推装置，如：通过设置电磁继电器(201310418996.3)或拉绳(CN 201310469314.1)的方式。
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。
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Claims (15)

  1. 一种驱动头，其可安装到齿轮上，其特征在于所述驱动头包括：轴部分、卡爪和第一弹性元件，所述卡爪套设在所述轴部分上，所述卡爪可沿所述轴部分伸缩运动。
  2. 根据权利要求1所述的驱动头，其特征在于，所述所述轴部分包括工形部、主体和第一部分。
  3. 根据权利要求2所述的驱动头，其特征在于，所述卡爪包括：支撑部、凸起部和连接部，所述连接部连接所述支撑部和凸起部，所述凸起部的个数为2个，所述支撑部与所述第一弹性元件连接，所述支撑部和所述连接部上设置有通孔，所述轴部分包括主体和设置在所述主体一端的凸片，所述凸片的个数为2个，所述2个凸片通过连接块相连，所述连接部与所述凸起部连接处附近还设置有凹陷，所述凹陷用于容纳所述连接块，所述通孔可套设在所述主体上。
  4. 根据权利要求3所述的驱动头，其特征在于，所述凸起部上设置有导向面和卡位，所述卡位的形状为锐角。
  5. 根据权利要求2所述的驱动头，其特征在于，所述卡爪包括支撑部、连接部和凸起部，所述凸起部的个数为2个，所述凸起部与所述连接部之间形成有凹陷，所述凸起部通过圆环连接，所述轴部分包括主体和设置在主体一端的突块所述突块可与所述凹陷啮合。
  6. 根据权利要求5所述的驱动头，其特征在于，所述凸起部往内延伸形成有突壁。
  7. 一种驱动组件，其可拆卸安装到处理盒，所述处理盒包括护盖，所述驱动组件包括安装在齿轮上的如权利要求1至6任一所述的驱动头，其特征在于，所述驱动组件还包括迫推装置，所述迫推装置与所述卡爪抵接，所述迫推装置可迫使所述卡爪沿所述轴部分伸缩运动。
  8. 根据权利要求7所述的驱动组件，其特征在于，所述迫推装置包括迫推杆和第二弹性元件，所述第二弹性元件分别与所述护盖和所述迫推杆连接。
  9. 根据权利要求8所述的驱动组件，其特征在于，所述迫推杆包括：迫推端、支点和受力端，所述迫推端端部到所述支点的距离为L1，所述受力端端部到所述支点的距离为L2，L1/L2≥2。
  10. 一种处理盒，其特征在于，所述处理盒包括权利要求7至9任一所述的驱动组件。
  11. 一种处理盒，其包括盒体、护盖、齿轮系，所述齿轮系位于所述护盖下，所述齿轮系包括：中间齿轮、显影辊齿轮和送粉辊齿轮，所述中间齿轮分别与所述显影辊齿轮和所述粉辊齿轮啮合，其特征在于，所述处理盒还包括与所述中间齿轮连接的如权利要求1至6 任一所述驱动头。
  12. 根据权利要求11所述的处理盒，其特征在于，所述处盒还包括迫推装置，所述迫推装置包括迫推块和迫推杆，所述迫推块与所述迫推杆连接，所述迫推杆与所述驱动头抵接，所述迫推块上设置有可从成像设备上接受驱动力的挂钩。
  13. 根据权利要求12所述的处理盒，其特征在于，所述迫推杆和所述迫推块上分别设置有弹性元件。
  14. 根据权利要求11所述的处理盒，其特征在于，所述迫推装置包括：第一迫推块、第二迫推块和迫推杆，所述第二迫推块分别与所述第一迫推块、所述迫推杆抵接，所述第一迫推块上设置有可从成像设备上接受驱动力的挂钩。
  15. 根据权利要求14所述的处理盒，其特征在于，所述第二迫推块和所述迫推杆上分别设置有弹性元件。
PCT/CN2017/085827 2016-05-26 2017-05-25 驱动头、驱动组件及处理盒 WO2017202352A1 (zh)

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