CN110275417A - Handle box and image forming - Google Patents
Handle box and image forming Download PDFInfo
- Publication number
- CN110275417A CN110275417A CN201810209109.4A CN201810209109A CN110275417A CN 110275417 A CN110275417 A CN 110275417A CN 201810209109 A CN201810209109 A CN 201810209109A CN 110275417 A CN110275417 A CN 110275417A
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- driving force
- driving
- handle box
- gear
- head
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- 238000012546 transfer Methods 0.000 claims abstract description 21
- 239000011324 bead Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000014759 maintenance of location Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 7
- 238000011161 development Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000007648 laser printing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1839—Means for handling the process cartridge in the apparatus body
- G03G21/1842—Means for handling the process cartridge in the apparatus body for guiding and mounting the process cartridge, positioning, alignment, locks
-
- 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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- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
The present invention provides a kind of handle box and image forming, the handle box includes box body, photosensitive drums and developer roll, a shaft end of force transfer unit and photosensitive drums is driven to connect, driving force transfer unit is provided with driving gear and driving force receives head assembly, driving force receives head assembly and the end of driving gear is arranged in and the sliding tooth wheel is driven to rotate, and driving force receives head assembly and the end of driving gear is provided at least two drivings protrusion；End cap is kept, keeps end cap to cover and is received in head assembly and on the end face for being mounted on box body in driving force；Power transfer assembly further includes torsional spring, and two torque arm of torsional spring, which are born against, to be received head assembly in driving force and keep on end cap；Reset drives component, at least part of reset drives component expose to box body, and reset drives component engages with driving gear and sliding tooth wheel is driven to rotate.Handle box of the invention can be smoothly installed in image forming, also can smoothly be taken out from image forming.
Description
Technical field
The present invention relates to printing consumables technical fields used in laser printer, more particularly, to a kind of handle box, and
It is related to the image forming using this handle box.
Background technique
In image forming, such as Xerox or digital duplicating machine and integrated printing machine, it is provided with for shape
At the developing apparatus to develop with the electrostatic latent image in photosensitive drums, which is laid in carbon dust on electrostatic latent image and goes forward side by side
Row development.In general, this developing apparatus is mainly by being provided with the photosensitive member unit of photosensitive drums and the development list of developer roll
Member composition, the consumed carbon dust that develops generally are provided by the powder cabin in developing cell.In actual developing process, except development is beaten
Except printing carbon dust actually required, there is also the useless powder of a part, require in centralized collection to waste powder hopper.
Referring to Fig. 1, existing a color processing box 10 by moved along 11 axial direction of photosensitive drums be placed into image at
Inside shape equipment 100, realization cooperates with image forming 100, and driving force reception head there are two the settings of handle box 10, and one
It is arranged in photosensitive drums 11, another is arranged on developer roll 12.The driving of developer roll 12 is mainly made of multiple components, is led to
Crossing cross chute coupling structure may be implemented the deviation that driving force receives the axle center and developer roll axle center of head.The handle box 10 passes through
Three developer roll 12, powder outlet cutter, powder feeding roller input voltages are electrically connected with image forming 100, and are provided on developing chamber
Make the force structure position for receiving 100 push rod active force of image forming that developer roll 12 is separated with photosensitive drums 11.
Moreover, during handle box 10 is installed to image forming 100, in 100 limiting section of image forming
Under the action of part, the driving force of handle box 10 receives the driving head that head is lower than image forming 100, sets when closing image forming
When standby 100 lid, 100 limiting component of image forming just makes to make to locate at 10 conducting end of handle box lifting handle box 10
The driving force for managing box 10 receives head and the driving head of image forming 100 cooperates.
In print procedure, the useless powder cleared up in photosensitive drums 20 and 100 transfer belt of image forming in time is needed, is prevented
There is printing unfavorable condition.The scale removal process of existing color processing box 10 are as follows: connecting pin is provided between powder cabin and waste powder hopper,
Developer roll 12 and useless powder when push rod above image forming 100 is applied to the forced position on useless powder box, in powder cabin
Photosensitive drums 11 on storehouse separate, and at this moment the driving force of photosensitive drums receives head and rotated by the driving force effect of image forming 100,
In charging roller charge and discharge process, the useless powder for quoting band on image forming 100 is transferred in photosensitive drums 11, then cleaned
Scraper effect, makes the useless powder in photosensitive drums 11 be transferred to waste powder hopper.It is set in the photosensitive drums 11 and image forming for realizing handle box 10
When standby 100 automated cleaning, the powder cabin of handle box 10 rotates by a certain angle.
On the other hand, when the carbon dust in handle box 10 exhausts, handle box 10 need to be unloaded from image forming 100
Under, and reinstall new handle box 10.It is universal using sphere type since the driving force of existing photosensitive drums 11 receives head
The drive connection structure of section, in the transportational process of handle box 10, the driving force of photosensitive drums 11 receives head and is easy to be detached from, and causes
After new handle box 10 is installed to image imaging device 100, photosensitive drums 11 can not receive what image forming 100 was exported
Driving force.
The photosensitive drums driving force of existing another kind handle box receives head and a drive rod is arranged, and receives head in driving force
One end setting driving gear, drive rod pass through driving gear, and can relative to driving gear axial reciprocating sliding.By
It is dismantled when handle box is installed to image forming, or from image imaging device in the driving force reception head of this handle box
When, driving force receives head and is easy to be stuck on the drive rod of image forming, i.e. appearance " stuck " phenomenon, and driving force is caused to connect
Head and drive shaft damage are received, handle box is caused to can not work normally.
Summary of the invention
The main object of the present invention, which is to provide one kind, can effectively avoid driving force from receiving a stuck handle box.
Avoid occurring the image forming of stuck phenomenon when process cartridge disassembling it is a further object of the present invention to provide a kind of.
In order to realize the main object of the present invention, handle box provided by the invention includes box body；Photosensitive drums, photosensitive drums can be around
Rotation axis is rotatably supported between the end walls of box body；Developer roll, developer roll can be supported on box body with rotating about the axis thereof
End walls between；Force transfer unit is driven, drives a shaft end of force transfer unit and photosensitive drums to connect, driving force transmitting group
Part is provided with driving gear and driving force receives head assembly, and driving force receives end and the drive that driving gear is arranged in head assembly
Sliding tooth wheel rotation is moved, driving force receives head assembly and the end of driving gear is provided at least two drivings protrusion；It protects
End cap is held, keeps end cap to cover and is received in head assembly and on the end face for being mounted on box body in driving force；Wherein, power transfer assembly is also
Including torsional spring, the first torque arm of torsional spring is resisted against driving force and receives in head assembly, and the second torque arm of torsional spring is on holding end cap；
Reset drives component, at least part of reset drives component expose to box body, and reset drives component engages simultaneously with driving gear
Drive the rotation of sliding tooth wheel.
It can be seen that the present invention is received in the driving force of handle box is provided with torsional spring in head assembly, by the effect of torsional spring,
When ensure that box per treatment is installed to image forming, the position that driving force receives the driving protrusion in head assembly is kept not
Become, improve the smoothness of handle box installation process, improves print quality.
Also, reset drives component is also set up on handle box, and the rotation of driving gear is driven by reset drives component,
When the driving head of driving force reception head and image forming blocks, by rotating reset drives component, to drive driving
Gear rotation, it can release the stuck position that driving force receives head and driving head, it is ensured that handle box can be smoothly from image
It is taken out on former.
One Preferable scheme is that, the spring coil of torsional spring covers in a fixed column, fixed column setting driving force receive head
Component is kept on end cap.
It can be seen that the fixed column setting that the spring coil of torsional spring is set with receives head assembly in driving force or keeps on end cap,
The fixation that can be convenient torsional spring also ensures that torsional spring provides enough power to ensure that driving force receives head assembly and be maintained at preset position
It sets.
Further embodiment is that it includes that driving force receives head and connector that driving force, which receives head assembly, and driving protrusion is set
It sets and receives the end of head in driving force；Connector is located at driving force and receives between head and driving gear, and connector is close to driving
The side that power receives head is provided with first sliding groove, and driving force receives head and is provided with the first raised line slided in first sliding groove；Even
Fitting is provided with second sliding slot close to the side of driving gear, and it is convex that driving gear is provided with second slided in second sliding slot
Item.
As it can be seen that being respectively arranged with sliding slot in the two sides that driving force receives the connector being arranged on head, pass through the sliding slot of two sides
The raised line on head is received with driving gear or driving force respectively to connect, and driving force is allowed to receive head relative to driving gear
Translation is more conducive to driving force reception head and smoothly connect with the driving head on image forming, and the installation of handle box is more
Add smooth.
Further scheme is that first sliding groove is mutually perpendicular to second sliding slot.In this way, can put driving force receive head with
Driving gear translates in orthogonal both direction, and the installation effect of handle box is more preferably.
Further scheme is that it further includes the locating part being sleeved on outside driving force reception head that driving force, which receives head assembly,
Locating part is equipped with across the positive stop strip for keeping the limit hole on end cap sidewalls, and the free end of positive stop strip is provided with retention bead.
It can be seen that connector can be limited in sliding distance, thus real by the cooperation of retention bead and holding end cap
Now to the limit of the sliding distance of connector, connector is avoided to skid off from driving gear.
Further scheme is that fixed column is arranged on locating part, and the second torque arm of torsional spring is against the side of limit hole
On wall, it is preferred that be provided with an abutting slot on the peripheral wall of driving force reception head, the first torque arm of torsional spring is connected to abutting slot
On.
Further scheme is that reset drives component includes manual gear, and a part of manual gear exposes to box body,
And manual gear drives sliding tooth wheel to rotate by driving member, it is preferred that driving member includes at least one transmission gear or biography
Carry-over bar or worm gear mechanism.
It can be seen that at least part of manual gear is located at outside box body, can be convenient user, voluntarily manual toggle is manual
Gear facilitates user to release stuck position locating for handle box manually so that sliding tooth wheel be driven to rotate.
To realize above-mentioned another object, image forming provided by the invention includes shell, and is provided in shell
Handle box installation cavity is equipped with above-mentioned handle box in handle box installation cavity, and is provided with driving force driving head in shell, drives
Power driving head can receive head cooperation with the driving force on handle box, and driving force is driven to receive head rotation.
Detailed description of the invention
Fig. 1 is the general arrangement of existing color electrophotographic image forming apparatus.
Fig. 2 is the structure chart of handle box embodiment and driving head of the present invention.
Fig. 3 is the structure chart of handle box embodiment of the present invention Yu another visual angle of driving head.
Fig. 4 is the partial structurtes enlarged drawing of handle box embodiment of the present invention and driving head.
Fig. 5 is the structure chart that force transfer unit and driving head cooperation are driven in handle box embodiment of the present invention.
Force transfer unit is driven in Fig. 6 handle box embodiment of the present invention and keeps the structure chart of end cap cooperation.
Force transfer unit is driven in Fig. 7 handle box embodiment of the present invention and keeps the structural exploded view of end cap cooperation.
Fig. 8 is the structure chart that driving force receives head assembly in handle box embodiment of the present invention.
Fig. 9 is the structural exploded view that driving force receives head assembly in handle box embodiment of the present invention.
Figure 10 is the structure chart of reset drives component and gear end cap in handle box embodiment of the present invention.
Figure 11 is the structure chart of reset drives component in handle box embodiment of the present invention.
Figure 12 be when driving force transfer unit and the driving head to engage in handle box embodiment of the present invention in the first state
First schematic diagram.
Figure 13 be when driving force transfer unit and the driving head to engage in handle box embodiment of the present invention in the first state
Second schematic diagram.
Figure 14 be when driving force transfer unit and the driving head to engage in handle box embodiment of the present invention in the second condition
First schematic diagram.
Figure 15 be when driving force transfer unit and the driving head to engage in handle box embodiment of the present invention in the second condition
Second schematic diagram.
The invention will be further described with reference to the accompanying drawings and embodiments.
Specific embodiment
The handle box of the present embodiment is mounted in image forming, wherein image forming can be laser printing
The equipment that machine etc. is used to form image, image forming are provided with shell, and handle box installation cavity is provided in shell, processing
Box is installed in the installation cavity.Referring to fig. 2 to Fig. 4, it is additionally provided in the shell of image forming for output driving power
Driving head 25 is used to drive the driving force on handle box to receive head rotation, to drive the photosensitive drums 23 and development on handle box
The rotation such as roller.
In the present embodiment, handle box is provided with the drum frame 21 for accommodating useless powder and the development for accommodating developer
Frame 20, the box body of handle box includes the box body of drum frame 21 and the box body of developing frame 20, also, is set in drum frame 21
Be equipped with the photosensitive drums 23 of electrophotography, around photosensitive drums 23, integrally provided with processing unit, as charging roller (not indicating),
Developer roll (not indicating) and cleaning member (not indicating).Charging roller has equably for the function of the surface charge of photosensitive drums 23
Can, developer roll has the image development formed in photosensitive drums 23 through toner into the function of visual image.In photosensitive drums
After in the developer image to recording materials formed on 23, cleaning member removal remains in the toning in photosensitive drums 23
Agent.
In the box body of handle box 1, photosensitive drums 23 can be supported between the end walls of box body with rotating about the axis thereof, photosensitive
Drum 23 has drum barrel and driving force transfer unit 40, and as seen from Figure 4, driving force transfer unit 40 is installed on an axial direction of drum barrel
End, driving force transfer unit 40 is for transmitting the rotary force that the driving head 25 of image forming is exported.
Referring to Fig. 5 to Fig. 7, driving force transfer unit 40 includes that driving force receives head assembly 50 and driving gear 41, is protected
It holds end cap 30 to be sleeved on outside driving force reception head assembly 50, and end cap 30 is kept to be mounted on box body, it is preferred that in box body
End is provided with gear end cap 26, and end cap 30 is kept to be mounted on the outside of gear end cap 26.
It includes that driving force receives head 51, locating part 60 and connector 56 that driving force, which receives head assembly 50, can from Fig. 5
See, driving force receives head 51, and in one end setting far from driving gear 41, there are two driving protrusion 52, the biographies of image forming
It is provided with drive rod 27 on dynamic head 25, one end of drive rod 27 is provided with rotation section 28, and the two sides of rotation section 28 are set respectively
It is equipped with outwardly extending push rod 29, two drivings protrusion 52 that driving force receives head 51 is abutted respectively at two push rods 29, works as biography
When lever 27 rotates, push rod 29 is driven to rotate around the axis of drive rod 27, so that driving protrusion 52 be driven to rotate, and then drives and drive
Power reception head 51 rotates.
The groove 54 of circle annular shape is provided in the middle part of the axial direction that driving force receives head 51, groove 54 is received along driving force
First 51 circumferentially extending.The middle part of locating part 60 is provided with a circular through-hole 61, and through-hole 61 and groove 54 cooperate, therefore,
Locating part 60 is sleeved on driving force and receives outside head 51.It is provided on the end face that driving force receives the close connector 56 of head 51 convex
Item 53, it is preferred that raised line 53 is the raised line of strip.
Connector 56 is located at driving force and receives between head 51 and driving gear 41, receives in connector 56 close to driving force
On first 51 end face, it is provided with the sliding slot 57 of strip, the raised line 53 that driving force receives on head 51 can slide on sliding slot 57.
In addition, connector 56 is provided with another sliding slot 58, and the extending direction and cunning of sliding slot 58 on the end face of driving gear 41
The extending direction of slot 57 is vertical.Raised line 43, raised line 43 and sliding slot are provided on the end face of connector 56 in driving gear 41
58 cooperations, therefore raised line 43 can slide in sliding slot 58.Since sliding slot 57 and sliding slot 58 are mutually perpendicular to, driving force connects
Receiving head 51 can translate in two mutually orthogonal directions relative to driving gear 41.
It drives and is provided with a circle tooth 42 in the circumferential direction of gear 41, from fig.7, it can be seen that the extending direction of tooth 42 and driving gear 41
Axis inclination, therefore, driving gear 41 be a helical gear.It is arranged between head 51 and driving gear 41 although driving force receives
There is connector 56, but when the driving force reception rotation of head 51, can be rotated with follower link 56, and then drive 41 turns of gear of driving
Dynamic, the drum barrel of photosensitive drums 23 also rotates with it.Also, driving gear 41 is also engaged with the driving gear of other roll bodies, thus band
Move the rotation of other roll bodies.
It is provided with connector 56 between head 51 and driving gear 41 since driving force receives, if not limiting connector 56
Sliding distance, it is easy to lead to that raised line 53 is skidded off from sliding slot 57 or raised line 43 is skidded off from sliding slot 58.Therefore, it is driving
Power, which receives, is provided with locating part 60 outside head 51.Locating part 60 has a positive stop strip 62, in the end of positive stop strip 62, i.e., in freedom
Retention bead 63 is provided on end.
Referring to Fig. 7, the middle part of end cap 30 is being kept to be provided with through-hole 32, driving force receives head assembly 50 and is located at the through-hole 32
It is interior, therefore keeping end cap 30 is to be sleeved on driving force to receive outside head assembly 50.Plate body 31, plate body are provided on keeping end cap 30
It is provided with the limited wall 34 vertical with plate body 31 on 31, rectangular limit hole 35 is provided on limited wall 34, as seen from Figure 6,
Positive stop strip 62 on locating part 60 can pass through limit hole 35, and retention bead 63 is located at the outside of limited wall 34.This implementation
In example, the height of retention bead 63 is greater than the height of limit hole 35, therefore retention bead 35 cannot pass through limiting through hole 35.
Since locating part 60 is the outside for being sleeved on driving force and receiving head 51, when driving force receives head 51 relative to sliding tooth
When 41 translation of wheel, locating part 60 follows driving force to receive head 51 and translates, and therefore, positive stop strip 62 is slided relative to holding end cap 30.
At this point, limited wall 34 forms position-limiting action to retention bead 63, that is, retention bead 63 cannot slide into the interior of limited wall 34
Side, to limit the sliding distance that driving force receives head 51, the raised line 53 for avoiding driving force from receiving head 51 is sliding from sliding slot 57
Out, raised line 43 is also avoided to skid off from sliding slot 58.
It is provided with a torsional spring 70 in head assembly 50 in addition, receiving in driving force, referring to Fig. 8 and Fig. 9, on locating part 60
It is provided with a fixed column 64, the spring coil of torsional spring 70 covers in fixed column 64, and there are two torque arm 71,72 for the tool of torsional spring 70, wherein turning round
Arm 71 is connected on the side wall for keeping the limit hole 35 of end cap 60, and torque arm 72 is connected to driving force and receives in head assembly 50.Specifically
, it is provided on the peripheral wall that driving force receives head 51 and abuts slot 55, torque arm 72, which is connected to, to abut on slot 55.
Certainly, when practical application, fixed column also be can be set on keeping end cap, at this point, the spring coil of torsional spring is to be fixed on
It keeps on end cap, as long as two torque arm of torsional spring are connected to driving force respectively and receive head and keep on end cap.
It is arranged at driving force due to abutting slot 55 and retention bead 52 and receives on head 51, abut slot 55 and limit convex
Rise 52 position it is relatively fixed.Under the withstanding effect of torsional spring 70, it can be ensured that handle box is not attached to image forming
In the past, retention bead 52 was always positioned at preset position, i.e. driving force receives head 51 and turns to preset angle, in order to handle
When box is installed to image forming, driving force, which receives head 51, smoothly to be cooperated with driving head 25, be conducive to handle box
Installation.
Also, it is provided with an inclined-plane on abutting slot 55, when driving force, which receives head 51, to be rotated, torque arm 72 can be smooth
Slave inclined-plane skid off, will not influence driving force receive head 51 rotation, it is ensured that the smooth work of handle box.
Occur driving force reception head 51 when taking out in order to avoid handle box from image forming and driving head generation is stuck
The phenomenon that, in the present embodiment, driving force receives head 51 and cannot move axially relative to driving gear 41, that is, in driving gear
In 41 axial direction, it is fixed that driving force, which receives head 51 and drives the position of gear 41,.From figure 5 it can be seen that driving force receives head 51
One end close to driving gear 41 is closely to be connected on connector 56, and driving the end of gear 41 is also closely to abut
On connector 56, it is axially moved so that driving force be avoided to receive head 51 with driving gear 41.
In addition, handle box takes out from image forming for convenience, the present embodiment is provided with reset drives component 80,
Referring to Figure 10 and Figure 11, reset drives component 80 includes a manual gear 81 and driving member, in the present embodiment, driving member packet
Include multiple transmission gears 84,85,86 etc., wherein manual gear 81 includes handwheel portion 82 and gear part 83, manual gear 81
A part exposes to the outside of gear end cap 26, in order to which user manually stirs manual gear 81.Specifically, handwheel portion 82
A part is located at the outside of gear end cap 26.
The gear part 83 of manual gear 81 is helical gear, and is engaged with transmission gear 84, transmission gear 84 again with other
Transmission gear engagement, and transmission gear 86 with drive gear 41 engage.As it can be seen that multiple transmission gears constitute a gear
System, therefore, manual gear 81 are engaged with driving gear 41 by the gear train and driving gear 41 are driven to rotate.
Referring to Figure 12 and Figure 13, after handle box is installed to image forming, once driving head 25 drives driving force
After reception head 51 turns an angle, when taking out handle box from image forming, it is easy to happen stuck situation,
Precisely due to push rod 29 is abutted with driving protrusion 52, but turns to " dead point " position since driving force receives head 51, drive
Power receives head 51 and can not often continue to rotate, and causes driving head 25 that can not also rotate, is referred to as " stuck " state at this time.
At this point, user can manually rotation manual gear 81, since a part of manual gear 81 is located at gear end cap
Outside 26, therefore user can manually stir manual gear 81, so that gear train be driven to rotate, and then drive 41 turns of gear of driving
It is dynamic.As shown in Figure 14 and Figure 15, the rotation of manual gear 81 can drive driving gear 41 to be rotated clockwise, due to driving
The rotation of gear 41 can drive driving force to receive the rotation of head 51, so driving force will be driven by driving gear 41 to rotate clockwise
It receives head 51 to rotate clockwise, driving protrusion 52 is finally made to rotate clockwise certain angle.At this point, driving protrusion 52 and pushing away
Certain distance is formed between bar 29, distance L1 as shown in figure 14 relieves stuck state to disengage from dead-centre position.
Certainly, it should be noted that it is not necessarily realized and is driven by gear train between manual gear 81 and driving gear 41,
Also rack gear or worm gear mechanism can be set as driving member and realize manual gear 81 and drive the transmission between gear 41,
It is even possible that realizing transmission with modes such as belt transmissions.
As it can be seen that the present invention receives the position-limiting action of head by torsional spring to driving force, it is ensured that handle box is installed to image forming
Before equipment, driving protrusion turns to preset position, i.e. position between driving protrusion and holding end cap is fixed, it is ensured that processing
Box is smoothly installed on image forming, and drives protrusion that can smoothly cooperate with the driving head of image forming.
On the other hand, it can not be moved in the axial direction relative to driving gear since driving force receives head, so that handle box is more smooth
Be installed in image forming.
Also, due to being provided with manual gear in box body, the rotation for driving gear is driven by rotating for manual gear, one
There is stuck state in denier, and user can voluntarily stir manual gear and release stuck state, it is ensured that handle box can be smoothly from figure
As being taken out in former.
Above embodiments, only preferred embodiments of the invention, be not to limit the scope of the present invention, therefore it is all according to the present invention
The equivalent change or modification that the structure, feature and principle of claim is done should be included in present patent application model
In enclosing.
Claims (10)
1. handle box, comprising:
Box body；
Photosensitive drums, the photosensitive drums can be rotatably supported between the end walls of the box body around rotation axis；
Developer roll, the developer roll can be supported between the end walls of the box body with rotating about the axis thereof；
Force transfer unit is driven, the driving force transfer unit is connect with a shaft end of the photosensitive drums, and the driving force passes
It passs component and is provided with driving gear and driving force reception head assembly, the driving force receives head assembly setting in the sliding tooth
The end of wheel simultaneously drives the sliding tooth wheel to rotate, and the driving force receives end setting of the head assembly far from the driving gear
There are at least two drivings raised；
End cap is kept, the holding end cap, which is covered, to be received in head assembly in the driving force and be mounted on the end face of the box body；
It is characterized by:
The driving force transfer unit further includes torsional spring, and the first torque arm of the torsional spring is resisted against the driving force and receives head assembly
On, the second torque arm of the torsional spring is on the holding end cap；
Reset drives component, at least part of the reset drives component expose to the box body, the reset drives component
It is engaged with the driving gear and the sliding tooth wheel is driven to rotate.
2. handle box according to claim 1, it is characterised in that:
The spring coil of the torsional spring covers in a fixed column, and the fixed column setting receives head assembly or institute in the driving force
It states and keeps on end cap.
3. handle box according to claim 2, it is characterised in that:
It includes that driving force receives head and connector that the driving force, which receives head assembly, and the driving protrusion is arranged in the driving
The end of power reception head；
The connector is located at the driving force and receives between head and the driving gear, and the connector is close to the driving
The side that power receives head is provided with first sliding groove, and the driving force receives head and is provided with first slided in the first sliding groove
Raised line；
The connector is provided with second sliding slot close to the side of the driving gear, and the driving gear is provided with described the
The second raised line slided in two sliding slots.
4. handle box according to claim 3, it is characterised in that:
The first sliding groove is mutually perpendicular to the second sliding slot.
5. handle box according to claim 4, it is characterised in that:
It further includes the locating part being sleeved on outside the driving force reception head that the driving force, which receives head assembly, and the locating part is equipped with
The positive stop strip of limit hole on the holding end cap sidewalls, the free end of the positive stop strip is provided with retention bead.
6. handle box according to claim 5, it is characterised in that:
The fixed column is arranged on the locating part, and second torque arm of the torsional spring is against the side wall of the limit hole
On.
7. handle box according to claim 2, it is characterised in that:
It is provided with an abutting slot on the peripheral wall of the driving force reception head, first torque arm of the torsional spring is connected to described
It abuts on slot.
8. handle box according to any one of claims 1 to 7, it is characterised in that:
The reset drives component includes manual gear, and a part of the manual gear exposes to the box body, and the hand
Moving gear drives the sliding tooth wheel to rotate by driving member.
9. handle box according to claim 8, it is characterised in that:
The driving member includes at least one transmission gear or driving rack or worm gear mechanism.
10. image forming, including shell, it is provided with handle box installation cavity in the shell, in the handle box installation cavity
Handle box just like any one of claim 1 to 9 is installed.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810209109.4A CN110275417A (en) | 2018-03-14 | 2018-03-14 | Handle box and image forming |
| PCT/CN2018/096729 WO2019174172A1 (en) | 2018-03-14 | 2018-07-24 | Processing cartridge and electrophotographic imaging device |
| US16/351,735 US10768573B2 (en) | 2018-03-14 | 2019-03-13 | Process cartridge and electrophotographic image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810209109.4A CN110275417A (en) | 2018-03-14 | 2018-03-14 | Handle box and image forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110275417A true CN110275417A (en) | 2019-09-24 |
Family
ID=67958370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810209109.4A Pending CN110275417A (en) | 2018-03-14 | 2018-03-14 | Handle box and image forming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110275417A (en) |
Cited By (1)
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| CN110441999A (en) * | 2019-08-16 | 2019-11-12 | 珠海天威飞马打印耗材有限公司 | Handle box, the installation method of handle box and electrophotographic imaging forming apparatus |
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