CN106773568A - Drive component and Delevoping cartridge - Google Patents
Drive component and Delevoping cartridge Download PDFInfo
- Publication number
- CN106773568A CN106773568A CN201710067222.9A CN201710067222A CN106773568A CN 106773568 A CN106773568 A CN 106773568A CN 201710067222 A CN201710067222 A CN 201710067222A CN 106773568 A CN106773568 A CN 106773568A
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- drive component
- connector
- force part
- cylindrical element
- active force
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 7
- 238000005381 potential energy Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/75—Details relating to xerographic drum, band or plate, e.g. replacing, testing
- G03G15/757—Drive mechanisms for photosensitive medium, e.g. gears
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1839—Means for handling the process cartridge in the apparatus body
- G03G21/1857—Means for handling the process cartridge in the apparatus body for transmitting mechanical drive power to the process cartridge, drive mechanisms, gears, couplings, braking mechanisms
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—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
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/1651—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
- G03G2221/1657—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts transmitting mechanical drive power
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
The invention provides a kind of drive component and Delevoping cartridge.The drive component that the present invention is provided includes the cylindrical element being coaxially disposed and return unit is provided with connector, and cylindrical element, including applies the axial force part of axial force to connector and apply the circumferential active force part of peripheral force.There is the present invention easy to operate, Stability Analysis of Structures, Delevoping cartridge to install and convenient disassembly, and can realize the advantage of the stable delivery of driving force.
Description
Technical field
The present invention relates to electrophotographic image forming field, specifically, be related in electrophotographic image forming for transmitting
A kind of drive component and the Delevoping cartridge with the drive component of driving force.
Background technology
Delevoping cartridge typically can be removably installed, for different design concepts, each electricity in electrophotographic image forming
Can be integrated in more or less treatment component in Delevoping cartridge by sub- photograph imaging device production firm, such as：Have by photosensitive drums, aobvious
Image device, charging device and cleaning device all integrate to form integral box, and what is had is integrated in photosensitive drums and charging device
Integrate the various split boxes to be formed together or by photosensitive drums and developing apparatus, no matter which kind of integration mode, as long as in box
With the treatment component for needing rotation in imaging process, it is required for receiving driving force from electrophotographic image forming, to drive
Treatment component rotation.
A kind of existing Delevoping cartridge is using universal joint drive component.Universal joint drive component is connected to one end of revolving part
On, revolved by the revolving part for receiving the rotary driving force of the revolving force driving head on electrophotographic image forming to drive Delevoping cartridge
Turn.Such as, U.S. Patent Application Publication specification US2008/0152388A1 discloses a kind of integral box, and its drive component is sphere type
Universal joint drive draw bail.This driving draw bail is disadvantageous in that high cost, and sphere type universal joint easily from
Deviate from gear, and driving connection is lost or job insecurity.
Be solve universal joint drive part above mentioned problem, existing many Delevoping cartridges using with can axial stretching mechanism drive
Dynamic component.Drive component is arranged on the one end of the box body longitudinal direction of Delevoping cartridge, with the body side with electrophotographic image forming
Driving head engagement, to transmit the rotating member in driving force to Delevoping cartridge.Rotating member in Delevoping cartridge can be photosensitive drums,
The component such as developer roll or powder feeding roller, drive component may be provided at photosensitive drums or development roll end and be coaxial therewith, so as to receive drive
Power directly drives photosensitive drums or developer roll to rotate, and may be alternatively provided as not coaxial with either member, but its axle and photosensitive drums, shows
The axle of shadow roller be arranged in parallel, and drive component passes through gear set drive other components rotation again after receiving driving force.
The Chinese invention patent of Publication No. CN103376696A discloses a kind of torque transmission in disclosing, that is, drive
Component.As shown in figure 1, the drive component 01 includes connector 011, end cap 012, cylindrical element 013, axial return unit 014, in connection
One end of fitting 011 is provided with a pair of driving force acceptance divisions 015.
In the prior art also have it is a kind of with can axial stretching mechanism drive component.As shown in Fig. 2 drive component 02 is wrapped
The cylindrical element 021 and connector 022 that be coaxially disposed and can be rotated around a rotation axis are included, the connection end of connector 022 is arranged on
In cylindrical element 021, free end is axially outward from cylindrical element 021.Cylindrical element 021 is arranged on a longitudinal end of Delevoping cartridge
Portion, is provided with gear and is engaged with the gear with other components on the outer wall of intermediate position, the driving that drive component is received
Power is transferred to other components.The free end of cylindrical element 021 is provided with opening, and end cap 023 is provided with opening.Connector 022
Part is located in cylindrical element 021, and one end is axially outward from opening, and the driving force acceptance division 0221 of connector is hinged on
The one end stretched out.Connector 022 includes the guide rod 0222 and sleeve 0223 that are coaxially disposed, and wherein guide rod 0222 can relative sleeve
0223 moves back and forth vertically, the relative sleeve 0223 of restricted guide rod 0222 is set on sleeve 0223 or guide rod 0222 and is moved axially
Position limiting structure, to prevent the abjection in the sleeve 0223 of guide rod 0222.The part of guide rod 0222 is arranged in sleeve 0223, with from
Axially extending first end in sleeve, driving force acceptance division 0221 is hinged on the first end of guide rod 0222.In cylindrical element
Spring 024 is provided with chamber, the one end of spring 024 is fixed on the inside of cylindrical element 021, and one end is fixed on the sleeve of connector 022
On 0222.When Delevoping cartridge is attached to electrophotographic image forming, connector 022 is protruded outwardly in the presence of spring 024
Ultimate range, guide rod 0222 is moved axially inward to ultimate range in the presence of spring 23, in connector 022 and electronics into phase
When the projection of the drive division of photographic attachment main body side is abutted, spring 024 is overcome in the promotion lower link 022 of the projection of drive division
Active force to being moved in cylindrical element 021, to the end of guide rod 0222 it is relative with the projection of drive division when, connector 022 is in bullet
It is displaced outwardly in the presence of spring 024.The projection extruding guide rod 0222 of drive division, driving force acceptance division 0221 is closer to drive division
Projection, when drive division is rotated, the projections mesh of driving force acceptance division 0221 and drive division, driving force acceptance division 0221 is received and driven
The driving force and then drive guide rod 0222 and sleeve 0223 in dynamic portion are rotated, and then drive component is rotated.
There is a shortcoming, i.e., in some cases, the driving force acceptance division of connector in the drive component of said structure
May be just right with the axle of drive division along installation or removal direction, now connector needs displacement needs in axial direction remote
Installed in the case of just can guarantee that its coupling with drive division or dismounting, therefore this kind much larger than displacement in other cases
Or dismounting becomes extremely difficult, installing/dismounting can only be carried out with strength sometimes, be very easy to cause the damage of Delevoping cartridge, or cause
There is risk of instability in drive component, it is impossible to stably transmit driving force with the engagement of the drive shaft of electrophotographic image forming.
To solve the problem, having to be set on drive component in the prior art can make driving force acceptance division realize that the circumferential position for resetting is adjusted
Regulating device, deviate mechanism or resetting-mechanism, with cause after Delevoping cartridge installation, will be contacted with driving head when, power reception
Portion is in predetermined position, to prevent the situation that power reception portion is blocked with driving head.It is pre- at driving force acceptance division to make
Positioning is put, it would be desirable to be able to the circumferential force device for turning round it.Therefore, the structure of drive component generally becomes complex.
The content of the invention
The main object of the present invention is to provide a kind of simple structure and can make the driving group of Delevoping cartridge installation and convenient disassembly
Part.
It is a further object of the present invention to provide a kind of simple structure and can make the Delevoping cartridge of installation and convenient disassembly.
To realize one of above-mentioned main purpose, the present invention provides a kind of drive component, is arranged on the one end of Delevoping cartridge, wraps
Include the cylindrical element and connector that be coaxially disposed and can be rotated around rotation axis；Wherein, cylindrical element is arranged on one end of Delevoping cartridge
Portion, connector is partially disposed in cylindrical element, including driving force acceptance division and driving force transmitting portion；Drive component is further wrapped
The return unit being arranged in cylindrical element is included, including applies the axial force part of axial force and to connector to connector
Apply the circumferential active force part of circumferential active force.
The return unit being located in cylindrical element can apply that the axial force of connector axial movement can be made to connector
Can apply that the circumferential active force that connector circumferentially turns round can be allow to connector again.Because axial force part is made with circumferential
Firmly part independent role, the size of active force will not influence each other, can voluntarily adjust according to actual needs, it is ensured that will not go out
Existing connector can not return to the phenomenon that initial position or connector can not be engaged stably with drive shaft.
Preferable scheme is that return unit is to include two sections of helical springs of Different structural parameters, wherein one section is made for axial direction
Firmly part, another section is circumferential active force part.
More preferable scheme is that one end of helical spring is fixed on the coupling, and the other end is fixed on cylindrical element.
Further preferably scheme is that axial force part is compression spring, and circumferential active force part is torque spring.
Preferably, central diameter of the central diameter of circumferential active force part more than or equal to axial force part.
Preferably, pitch of the pitch of circumferential active force part less than or equal to axial force part.
Drive component with said structure, two sections of spiral bullets of Different structural parameters are included because return unit is one
Spring, its each section amount of force all can adjust individually to adjust by respective structural parameters, can be to connection with realization
Part provides preferable axial force, preferably circumference active force can be provided again, not only simple structure, and easy for installation.In addition,
Each section of active force is adjusted by pitch, it is more convenient.
Another preferable scheme is that return unit is to include two helical springs of Different structural parameters, wherein one for axially
Active force part, another is circumferential active force part.
More preferable scheme is that one end of helical spring is fixed on the coupling, and the other end is fixed on cylindrical element.
Further preferably scheme is that axial force part is compression spring, and circumferential active force part is torque spring.
Preferably, central diameter of the central diameter of circumferential active force part more than or equal to axial force part.
Preferably, pitch of the pitch of circumferential active force part less than or equal to axial force part.
Drive component with said structure, because return unit is made up of two helical springs of Different structural parameters, often
Root helical spring amount of force all can be adjusted individually, be capable of achieving that preferable axial force can be provided to connector, again may be used
The preferable circumference active force of offer, inconvenient simple structure, and it is easy for installation.
Preferably, drive component also includes position restriction mechanism, when connector is in and disengages state, limitation connection
The driving force acceptance division of part is located at precalculated position.
Position restriction mechanism can cause Delevoping cartridge install after, will be contacted with driving head when, driving force receive position
In predetermined position, to prevent the situation that power reception portion is blocked with driving head.
Preferable scheme is that position restriction mechanism includes：Limiting unit, is set on the coupling；Meeting device, relative development
The frame position of box is fixed, and at least one portion can be abutted with limiting unit elasticity.
Preferable scheme is that the outer peripheral face of connector is provided with the involute face that can be abutted against with meeting device, and limiting unit is to set
Put the stage of the initiating terminal in involute face.
More preferable scheme is that position restriction mechanism is two, is symmetrical arranged relative to rotation axis.
Another preferable scheme is that connector includes the sleeve and guide rod that are coaxially disposed, and driving force acceptance division pivotly sets
Put on guide rod, when driving force acceptance division free end away from cylindrical element axial rotation when, driving force acceptance division vertically to
The distance of outer protrusion diminishes；The biasing device for applying active force to guide rod, effect of the guide rod in biasing device are provided with sleeve
Can be moved along the axial reciprocating of rotation axis in relative sleeve down.
To realize another object of the present invention, the technical scheme that the present invention is provided is Delevoping cartridge, including box body and is arranged on
The drive component of box body one end, the drive component is any one of above-mentioned drive component.
The advantage of the invention is that：Return unit include to connector apply axial force axial force part and to
Connector applies the circumferential active force part of circumferential active force, axial force and circumferential active force independent role, active force
Size will not influence each other, and can voluntarily adjust according to actual needs, be not in connector can not return to initial position or
The phenomenon that connector can not be engaged stably with drive shaft.
Brief description of the drawings
Fig. 1 is a kind of structural representation of drive component in the prior art；
Fig. 2 is the structural representation of another drive component in the prior art；
Fig. 3 is the structural representation of Delevoping cartridge embodiment of the present invention, and shows the drive shaft of electrophotographic image forming；
Fig. 4 is the structural representation of drive component first embodiment of the present invention；
Fig. 5 is the generalized section of drive component first embodiment of the present invention；
Fig. 6 is the structural decomposition diagram of drive component first embodiment of the present invention；
Fig. 7 is the structural representation of guide rod in drive component first embodiment of the present invention；
Fig. 8 is the structural representation of drive component first embodiment middle sleeve of the present invention；
Fig. 9 is the A-A cutaway view Amplified images of Fig. 8；
Figure 10 is the structural representation of drive component second embodiment of the present invention；
Figure 11 is the generalized section of drive component second embodiment of the present invention；
The structural decomposition diagram of Figure 12 drive component second embodiments of the present invention.
Specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in figure 3, Delevoping cartridge 100 is development box framework 101 including box body, drive component 10 is arranged on Delevoping cartridge 100
A longitudinal end, engage to transmit in driving force to Delevoping cartridge 100 with the drive shaft 200 with electrophotographic image forming
Treatment component, drive shaft 200 has the termination 202 of the protruded stigma 201 that projects radially outwardly and circular arc.Can have in Delevoping cartridge
The components such as photosensitive drums, developer roll, powder feeding roller, drive component may be provided at photosensitive drums or development roll end and be coaxial therewith, so that
Receiving driving force directly drives photosensitive drums or developer roll to rotate, may be alternatively provided as it is not coaxial with either member, but its axle with feel
Light drum, the axle of developer roll be arranged in parallel, and drive component passes through gear set drive other components rotation again after receiving driving force.This hair
In bright Delevoping cartridge embodiment, in addition to drive component is different from Delevoping cartridge of the prior art, other structures can be essentially identical, therefore
Embodiment below for drive component is further described below to the present invention, can have in Delevoping cartridge embodiment of the present invention and appoint
Drive component in one drive component embodiment.
Drive component first embodiment
As shown in figure 4, drive component 10 includes the cylindrical element 1 and connector 2 that are coaxially disposed, cylindrical element 1 and connector 2 can
Axis with them revolves together as rotation axis under the drive of the driving force of the main body side offer of electrophotographic image forming
Turn.A part for connector 2 is located in the hollow chamber of cylindrical element 1, and free end is stretched axially outward from the chamber of cylindrical element 1
Go out.Cylindrical element 1 is arranged on a longitudinal end of Delevoping cartridge, and its fixing end can be fixed to the photosensitive drums end of Delevoping cartridge, development
In the other structures of roll end or Delevoping cartridge, gear is provided with the outer wall in centre position and is engaged with the gear with other components,
Other components are transferred to the driving force for receiving drive component, the free end of cylindrical element 1 is provided with opening, connector 2 is from opening
It is intraoral extending axially outward.
As shown in figure 5, cylindrical element 1 includes cylindrical element main body 11 and the end cap 12 being arranged at cylindrical element opening, connector 2
Including the guide rod 21 including driving force acceptance division being coaxially disposed and the sleeve 22 as driving force transmitting portion, so that guide rod 21,
Sleeve 22 and cylindrical element main body 11 are all coaxial, i.e., with common axis, the common axis is also their rotation axis.Set
The internal diameter of cylinder 22 has change vertically, and the internal diameter near its free end diminishes, and so as to be formed with step surface, spring 23 is used as bias
Device is set in sleeve 22, and its one end is abutted with the step surface in sleeve 22, and the other end is fixed on guide rod 21, with to guide rod 21
Apply biasing force axially inwards.Drive component is also included as the helical spring 24 of return unit.Helical spring 24 is arranged on circle
In the chamber of barrier part 1, the outside of the part in cylindrical element 1 of sleeve 22 is set in, one end is fixed in cylindrical element main body 11,
The other end is fixed on sleeve 22, and it can apply axial force to connector 2, can apply circumferential active force to connection 2 again.
Specifically, spring 24 can apply elastic force so that connector 2 is moved in the axial direction to connector 2, can be applied to connector 2 again
Plus torsion makes it to turn round in circumferential direction.
As shown in fig. 6, guide rod 21 includes that being arranged on its free end is used for and the drive shaft 200 of electrophotographic image forming
The rotating shaft 212 that the driving force acceptance division 211 of the engagement of protruded stigma 201, driving force acceptance division 211 can be pivoted about, and it is contained in sleeve
Bar portion 213 in 22, the end of bar portion 213 is provided with locating slot 214, is fixed on guide rod 21 with one end of spring 23, drives
Power reception portion 211 may be configured as one or more, for clarity, present embodiment illustrates a driving force acceptance division,
Preferably, driving force acceptance division 211 is set to two.Sleeve 22 include be arranged on its free end for partly accommodating driving
The engaging groove 221 of power acceptance division 211, the end face 222 for being arranged on end, involute face 223, limited post 225, for fixing spiral
The location hole 226 of the one end of spring 24 and it is arranged on the neighbouring limited post 227 in its connection end.Helical spring 24 is arranged on limited post
Between 225 and limited post 227.Locating dowel 121 is provided with end cap 12, locating dowel is set in as the torsion spring 13 of meeting device
Outside 121, the top of locating dowel 121 can abut with development box framework, so that the relative development box framework of end cap 12 is fixed.Torsion spring 13 is wrapped
Include the end i.e. first end 131 fixed with end cap 12, the ring part 132 being sheathed on outside locating dowel 121 and supported with the elasticity of sleeve 22
The end for connecing i.e. the second end 133.Cylindrical element main body 11 is included for engaging to transmit the gear parts of driving force with other gears
111st, for the fixing end 112 being connected to a fixed with photosensitive drums or other structures, end can be accommodated in the opening of cylindrical element main body 11
Lid 12, positioning bar 113 is abutted with the bottom surface of end cap 12, so that end cap 12 is rotatably positioned with cylindrical element main body.
As shown in fig. 6, helical spring 24 is special-shaped spiral spring, including two sections that structural parameters are different, one section is close
The free end of connector is to the circumferential active force part 241 of connector applying gyroscopic action power, another section is to be close to connection
Part connection end is with to the axial force part 242 of connector applying axial force.Wherein, circumferential active force part 241 can
To be torque spring, axial force part 242 can be compression spring.In the present embodiment, circumferential active force part 241 and axle
Central diameter to active force portion 242 is identical, but circumferential active force part 241 pitch of the pitch less than axial force portion 242.Spiral shell
Revolve in the location hole 226 set on the insertion of end 243 limited post 225 of spring 24, the other end 244 is fixed on cylindrical element main body
In 11.Wherein, the size of the circumferential active force that circumferential active force part 241 provides can be according in the spring number of turn, pitch, spring
Footpath and line footpath are freely adjusted.The size of the axial force of the offer of axial force part 242 can also be according to turn
Number, pitch, mean diameter of coil and line footpath are freely adjusted.The present invention is not limited the installation direction of helical spring 24, at other
In embodiment, the axial force part 242 of helical spring 24 can be set and circumferential active force part near connector free end
241 can be set near connector connection end.Circumferential amount of force and axial force part due to circumferential active force part
Axial force size can separate and adjust, therefore can realize that circumferential active force is easy with axial force different proportion
Adjustment.Wherein the circumferential active force of helical spring 24 individually complies with the method for being calculated as below with axial force：
Circumferential force algorithm：K=(E × d4)/(1167D×P×N×R)
Unit:KGF/MM
Wherein：E=wire rod elastic modelling quantity, d=line footpaths, the D=central diameter N=numbers of turn, the R=load force arm of forces, P=
3.1416。
Axial force computing rule：K=(G × d4)/(8D3×N)
Unit：KGF/MM
Wherein：The modulus rigidity of G=wire rods, d=line footpaths, the D=central diameter N=numbers of turn.
By computing rule above, and combination sleeve and the specific size of cylindrical element, suitable data can be calculated.
As shown in fig. 7, the driving force acceptance division 211 of guide rod 21 can be pivoted around its rotating shaft 212, it is preferable that rotating shaft 212 with lead
The axis perpendicular of bar 21.As seen in FIG., the angle [alpha] of the relative axis of driving force acceptance division 211 deflection is bigger, and driving force is received
The axially projecting distance in portion 211 is smaller.The maximum deflection angle of the limitation driving force of engaging groove 221 acceptance division 211 of sleeve 22, when
When the relative sleeve 22 of guide rod 21 is moved axially outward, the maximum deflection angle of driving force acceptance division 211 becomes big, and the guide of spring 23
Bar 21 applies the biasing force for being moved axially inward guide rod, so as to ensure that driving force acceptance division 211 can with the protruded stigma 201 of drive shaft
It is abutted against conjunction.
With reference to Fig. 6, Fig. 8 and Fig. 9, position restriction mechanism is further described.Position restriction mechanism includes limiting unit 224
And meeting device, meeting device is torsion spring 13 in the present embodiment.As shown in Fig. 6, Fig. 8 and Fig. 9, as the torsion spring 13 of meeting device
It is set in outside locating dowel 121, the top of locating dowel 121 can abut with development box framework, so that the relative development box framework of end cap 12
It is fixed.Torsion spring 13 include the end fixed with end cap 12 be first end 131, the ring part 132 that is sheathed on outside locating dowel 121 and with
The end that the elasticity of sleeve 22 is abutted is the second end 133.Two involute faces 223 are provided with sleeve 22, as the two of limiting unit
Individual stage 224 is separately positioned on the hole for having in the initiating terminal in two involute faces 223, sleeve 22 and accommodating guide rod 21 and spring 23
228.When drive component is rotated along the direction of rotation B that it is driven in rotation, as the second end 133 of the torsion spring 13 of meeting device
Abutted with the elasticity of sleeve 22 and slided along its surface, across after stage 224, further slided along involute face 233, while along footpath
To being displaced outwardly, then as drive component further rotation and across another stage 224, and elastic force in torsion spring 13 is acted on
Under move radially inwardly, then slided along another involute surface 223 again and be moved radially outward, go round and begin again.When the edge of sleeve 22
When the direction opposite with B rotates, the second end 133 that torsion spring 13 is abutted with sleeve 22 is slided along involute face, while in torsion spring 13
Elastic force effect under move radially inwardly, until abutted with stage 224, sleeve 22 further cannot rotate in the direction, but this
When be not intended to limit rotation of the sleeve 22 along B directions.
The end 243 of helical spring 24 is fixed on sleeve 22, and end 244 is fixed in cylindrical element main body 11, is axially made
Firmly guide rod 21 of the part 242 to sleeve 22 and position in the inner applies elastic force axially outward, circumferential active force part 241 to
Sleeve and guide rod apply the circumferential active force deflected along the direction opposite with B.In torsion spring 13 and the collective effect of helical spring 24
Under, when external force is not received, connector 2 can be maintained at certain position under the collective effect of helical spring 24 and torsion spring 13.When aobvious
When shadow box 100 is attached to electrophotographic image forming, driving force acceptance division 211 is not at the position abutted with drive shaft 200, drives
The termination 202 of moving axis 200 is slided along end face 222, even if so as to need connector 2 to move axially, mobile distance is also smaller, axle
It is effective to ensure that connector 2 is engaged with the stabilization of drive shaft to active force part 242.When the driving shaft rotates, 201 turns of protruded stigma
Move to driving force acceptance division 21 and contact and engage, drive connector 2 to rotate, now the limited post 227 on sleeve 22 can not be with
Cylindrical element main body 11 is engaged and connector 2 is turned an angle with respect to cylindrical element main body 11, accumulates circumferential active force part 241
Tired certain elastic potential energy is abutted with cylindrical element main body 11 and drives cylindrical element 1 to rotate up to limited post 227, so as to entirely drive
Component 10 is rotated.
When Delevoping cartridge 100 is dismantled from electrophotographic image forming, the difference of position when being stopped according to drive shaft 200,
Driving force acceptance division 211 may be just pair or not facing along disassembly direction and drive shaft 200.When just pair or connector 2 now
Be moved axially inward when being restricted, with being displaced outwardly for Delevoping cartridge, termination 202 promotes driving force acceptance division 21 outwards partially
Turn, pull guide rod 21 to overcome the biasing force of spring 23 to move axially outward, the deflection of the driving force acceptance division 211 of the limitation of sleeve 22
Angle becomes big, and the axially projecting distance of driving force acceptance division 211 diminishes, and is disengaged with the protruded stigma 202 of drive shaft 200, development
Box 100 smoothly can be taken out from electrophotographic image forming, and guide rod 21 is moved radially inwardly under the effect of spring 23, in sleeve 22
Restriction effect under, the deflection angle of driving force acceptance division 211 diminishes, and the circumferential active force part 241 of helical spring 24 is accumulated
Potential energy connector 2 is rotated along with the opposite direction in direction of rotation is driven relative to cylindrical element 1, until the second end of torsion spring 13
133 abut with the stage 224 of sleeve 22, and connector 2 stops operating and is maintained at initial position.
When the axial movement of connector 2 be not obstructed or driving force acceptance division and drive shaft along disassembly direction not just pair when, connection
Fitting 2 overcomes the active force of axial force part 242 vertically to being moved in cylindrical element 1, protruded stigma 202 is received with driving force
Portion 211 is disengaged, and Delevoping cartridge 100 smoothly can take out from electrophotographic image forming, the circumferential active force of helical spring 24
The potential energy that part 241 is accumulated makes connector 2 be rotated along the direction opposite with direction of rotation is driven relative to cylindrical element 1, until turning round
Second end 133 of spring 13 abuts with the stage 224 of sleeve 22, and connector 2 stops operating and is maintained at initial position.
Drive component second embodiment
The present embodiment is similar with the structure of drive component first embodiment, and difference is that the structure of return unit is different.
As shown in Figure 10 and Figure 11, drive component 10 includes the cylindrical element 1 and connector 2 that are coaxially disposed, and cylindrical element 1 includes
Cylindrical element main body 11 and the end cap 12 being arranged at cylindrical element opening, connector 2 include the guide rod 21 and sleeve 22 that are coaxially disposed.
Step surface is formed with sleeve 22, one end of spring 23 is abutted with the step surface in sleeve 22, and the other end is fixed on guide rod 21,
Power is biased with to guide rod 21.Return unit is included as the torque spring 26 of circumferential active force part and as axial force
Partial compression spring 25, torque spring 26 and compression spring 25 are all helical spring, and are all disposed within cylindrical element 1, wherein
The central diameter of torque spring 26 is more than the central diameter of spring 25, so that torque spring 26 is sheathed on the outside of spring 25.Torque spring 26
Apply circumferential active force to sleeve 22, direction and the drive shaft of power drive the direction of rotation that connector 1 rotates relative, compression spring
25 apply axial force axially outward to sleeve 22.
As shown in figure 12, guide rod 21 includes being arranged on driving force acceptance division 211, rotating shaft 212, and bar portion 213, bar portion 213
End be provided with locating slot 214, be fixed on guide rod 21 with one end of spring 23.Sleeve 22 includes engaging groove 221, end face
222nd, involute face 223, limited post 225, the location hole 226 for fixing the one end 261 of torque spring 26 and be arranged on its connection
The neighbouring limited post 227 in end, torque spring 26 is arranged between limited post 225 and limited post 227.Positioning is provided with end cap 12
Post 121, torsion spring 13 is set in outside locating dowel 121, and the top of locating dowel 121 can abut with development box framework, so that the phase of end cap 12
Development box framework is fixed, so that the position of torsion spring 13 is fixed relative to the framework of Delevoping cartridge.Torsion spring 13 includes and end cap 12
Fixed end is first end 131, ring part 132 and end i.e. the second end 133 abutted with the elasticity of sleeve 22.Cylindrical element main body
11 are included for being engaged with other gears to transmit the gear parts 111 of driving force, for being connected with photosensitive drums or other structures
Fixed fixing end 112 is connect, end cap 12 can be accommodated in the opening of cylindrical element main body 11, positioning bar 113 is supported with the bottom surface of end cap 12
Connect, so that end cap 12 is rotatably positioned with cylindrical element main body.
Under the collective effect of torsion spring 13 and torque spring 26, when external force is not received, connector 2 can torque spring 26 with
Certain position is maintained under the collective effect of torsion spring 13.When Delevoping cartridge 100 is attached to electrophotographic image forming, driving force connects
Receiving portions 211 are not at the position abutted with drive shaft 200, and the termination 202 of drive shaft 200 is slided along end face 222, even if so that
Connector 2 is needed to move axially, mobile distance is also smaller, spring 25 is effective to ensure that the stabilization of connector 2 and drive shaft
Engagement.When the driving shaft rotates, protruded stigma 201 turns to and contacts and engage with driving force receiving portion 211, drives 2 turns of connector
It is dynamic, connector 2 is turned an angle with respect to cylindrical element main body 11, torque spring 26 is accumulated certain elastic potential energy until limit
Position post 227 is abutted with cylindrical element main body 11 and drives cylindrical element 1 to rotate, so that whole drive component 10 is rotated.
When Delevoping cartridge 100 is dismantled from electrophotographic image forming, the difference of position when being stopped according to drive shaft 200,
Driving force receiving portion 211 may be just pair or not facing along disassembly direction and drive shaft 200.When just pair or connector 2 this
When be moved axially inward when being restricted, with being displaced outwardly for Delevoping cartridge, termination 202 promotes driving force receiving portion 211
It is deflected outward by, pulls guide rod 21 to overcome the biasing force of spring 23 to move axially outward, the driving force receiving portion of the limitation of sleeve 22
211 deflection angle becomes big, and the axially projecting distance of driving force receiving portion 211 diminishes, and the protruded stigma 202 with drive shaft 200 takes off
From engagement, Delevoping cartridge 100 smoothly can be taken out from electrophotographic image forming, and guide rod 21 is radially-inwardly moved under the effect of spring 23
Dynamic, under the restriction effect of sleeve 22, the deflection angle of driving force receiving portion 211 diminishes, the potential energy that torque spring 26 is accumulated
Connector 2 is set to be rotated along the direction opposite with direction of rotation is driven relative to cylindrical element 1, until the second end 133 of torsion spring 13 and set
The stage of cylinder 22 is abutted, and connector 2 stops operating and is maintained at initial position.
When the axial movement of connector 2 be not obstructed or driving force receiving portion and drive shaft along disassembly direction not just pair when,
Connector 2 overcomes the active force of spring 25 vertically to being moved in cylindrical element 1, protruded stigma 202 is taken off with driving force receiving portion 211
From engagement, Delevoping cartridge 100 smoothly can take out from electrophotographic image forming, and the potential energy that torque spring 26 is accumulated makes connector
2 rotate relative to cylindrical element 1 along the direction opposite with direction of rotation is driven, until the second end 133 of torsion spring 13 and the rank of sleeve 22
Platform is abutted, and connector 2 stops operating and is maintained at initial position.
In other embodiments, return unit can for magnetic devices, elastomeric material, pneumatic means and single torsion spring or other
The combination of the device of tangential force can be applied, position restriction mechanism can also use other known structures, and meeting device can be one end
Be fixed on the framework of Delevoping cartridge and flexure strip that the other end is abutted with connector etc., guide the abutment end of meeting device radially to
As long as the face of outer movement can not be involute face energy rounding off and be moved radially outward it, driving force acceptance division can be adopted
Deflected with other known ways and change axially projecting distance, the biasing device for being biased power to guide rod in sleeve can be to draw
Spring, magnetic devices, elastomeric material, the setting of each position limiting structure can be adjusted according to circumstances etc..
Some specific embodiments of the invention have been described in detail above, but it is intended only as example, and the present invention is simultaneously
It is not restricted to particular embodiments described above.To those skilled in the art, it is any the present invention is carried out be equal to repair
Change and substitute, the central diameter of such as the axial force part of heterotypic spring and circumferential active force part can be it is different, these
All among scope of the invention.Therefore, the impartial conversion and modification made without departing from the spirit and scope of the invention, all
Should cover within the scope of the invention.
Claims (17)
1. drive component, is arranged on the one end of Delevoping cartridge, including the cylindrical element that be coaxially disposed and can be rotated around rotation axis and
Connector；Wherein, the cylindrical element is arranged on the one end of Delevoping cartridge, and the connector is partially disposed at the cylindrical element
It is interior, including driving force acceptance division and driving force transmitting portion；It is characterized in that：Drive component is further included：
The return unit in the cylindrical element is arranged on, including applies the axial force part of axial force to the connector
With the circumferential active force part for applying circumferential active force to the connector.
2. drive component according to claim 1, it is characterised in that：
The return unit is to include two sections of helical springs of Different structural parameters, wherein one section is axial force part, separately
One section is circumferential active force part.
3. drive component according to claim 2, it is characterised in that：
One end of the helical spring is fixed on the connector, and the other end is fixed on the cylindrical element.
4. drive component according to claim 2, it is characterised in that：
The axial force part is compression spring, and the circumferential active force part is torque spring.
5. the drive component according to claim 2 to 4 any one claim, it is characterised in that：
Central diameter of the central diameter of the circumferential active force part more than or equal to the axial force part.
6. the drive component according to claim 2 to 4 any one claim, it is characterised in that：
Pitch of the pitch of the circumferential active force part less than or equal to axial force part.
7. drive component according to claim 1, it is characterised in that：
The return unit is two helical springs of Different structural parameters, wherein one is axial force part, another is
Circumferential active force part.
8. drive component according to claim 7, it is characterised in that：
One end of the helical spring is fixed on the connector, and the other end is fixed on the cylindrical element.
9. drive component according to claim 7, it is characterised in that：
The axial force part is compression spring, and the circumferential active force part is torque spring.
10. the drive component according to claim 7 to 9 any one claim, it is characterised in that：
Central diameter of the central diameter of the circumferential active force part more than or equal to the axial force part.
11. drive component according to claim 7 to 9 any one claim, it is characterised in that：
Pitch of the pitch of the circumferential active force part less than or equal to axial force part.
12. drive component according to Claims 1-4,7 to 9 any one, it is characterised in that：
The drive component also includes：
Position restriction mechanism, when the connector is in and disengages state, the driving force acceptance division for limiting connector is located at
Precalculated position.
13. drive components according to claim 12, it is characterised in that：
The position restriction mechanism includes：
Limiting unit, is arranged on the connector；
Meeting device, the frame position of relatively described Delevoping cartridge is fixed, and at least one portion can be abutted with limiting unit elasticity.
14. drive components according to claim 13, it is characterised in that：
The outer peripheral face of the connector is provided with the involute face that can be abutted with the meeting device, and the limiting unit is to be arranged on
State the stage of the initiating terminal in involute face.
15. drive components according to claim 12, it is characterised in that：
The meeting device is two, is symmetrical arranged relative to the rotation axis.
16. drive components according to claim 12, it is characterised in that：
The connector includes the sleeve and guide rod that are coaxially disposed, and the driving force acceptance division is pivotally disposed at the guide rod
On, when the driving force acceptance division free end away from the cylindrical element axial rotation when, the driving force acceptance division is along institute
The distance for projecting axially outward is stated to diminish；
The biasing device that the oriented guide rod applies active force, work of the guide rod in the biasing device are set in the sleeve
Moved with lower axial reciprocating that can be along the rotation axis in the sleeve.
17. Delevoping cartridges, including box body and the drive component for being arranged on box body one end, it is characterised in that：The drive component is power
Profit requires the drive component described in any one of 1-16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710067222.9A CN106773568A (en) | 2017-02-06 | 2017-02-06 | Drive component and Delevoping cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710067222.9A CN106773568A (en) | 2017-02-06 | 2017-02-06 | Drive component and Delevoping cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106773568A true CN106773568A (en) | 2017-05-31 |
Family
ID=58956825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710067222.9A Pending CN106773568A (en) | 2017-02-06 | 2017-02-06 | Drive component and Delevoping cartridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106773568A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831645A (en) * | 2017-12-15 | 2018-03-23 | 珠海联合天润打印耗材有限公司 | Rotary driving force receiving member, drive component and box |
| CN108153129A (en) * | 2017-08-14 | 2018-06-12 | 珠海市拓佳科技有限公司 | Power transmission and handle box |
| WO2019101064A1 (en) * | 2017-11-23 | 2019-05-31 | 纳思达股份有限公司 | Drive force-receiving component, and toner cartridge |
| US11016434B2 (en) | 2017-11-23 | 2021-05-25 | Ninestar Corporation | Force receiving part and toner cartridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105843008A (en) * | 2016-05-27 | 2016-08-10 | 珠海联合天润打印耗材有限公司 | Driving force receiving assembly of photosensitive drum |
| CN206557534U (en) * | 2017-02-06 | 2017-10-13 | 珠海鼎龙新材料有限公司 | Drive component and Delevoping cartridge |
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2017
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105843008A (en) * | 2016-05-27 | 2016-08-10 | 珠海联合天润打印耗材有限公司 | Driving force receiving assembly of photosensitive drum |
| CN206557534U (en) * | 2017-02-06 | 2017-10-13 | 珠海鼎龙新材料有限公司 | Drive component and Delevoping cartridge |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108153129A (en) * | 2017-08-14 | 2018-06-12 | 珠海市拓佳科技有限公司 | Power transmission and handle box |
| CN108153129B (en) * | 2017-08-14 | 2024-01-30 | 珠海市拓佳科技有限公司 | Power transmission device and process cartridge |
| WO2019101064A1 (en) * | 2017-11-23 | 2019-05-31 | 纳思达股份有限公司 | Drive force-receiving component, and toner cartridge |
| US11016434B2 (en) | 2017-11-23 | 2021-05-25 | Ninestar Corporation | Force receiving part and toner cartridge |
| CN107831645A (en) * | 2017-12-15 | 2018-03-23 | 珠海联合天润打印耗材有限公司 | Rotary driving force receiving member, drive component and box |
| CN107831645B (en) * | 2017-12-15 | 2024-02-20 | 珠海联合天润打印耗材有限公司 | Rotational driving force receiving member, driving assembly, and cartridge |
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