CN106444316B - Driving force receiving unit - Google Patents
Driving force receiving unit Download PDFInfo
- Publication number
- CN106444316B CN106444316B CN201610807068.XA CN201610807068A CN106444316B CN 106444316 B CN106444316 B CN 106444316B CN 201610807068 A CN201610807068 A CN 201610807068A CN 106444316 B CN106444316 B CN 106444316B
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- China
- Prior art keywords
- driving
- receiving unit
- force receiving
- transfering part
- photosensitive drums
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1839—Means for handling the process cartridge in the apparatus body
- G03G21/1857—Means for handling the process cartridge in the apparatus body for transmitting mechanical drive power to the process cartridge, drive mechanisms, gears, couplings, braking mechanisms
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
Driving force receiving unit, for receiving the rotary force of image forming apparatus driving head, and rotary force is passed into photosensitive drums, and to drive photosensitive drums to rotate comprising: the symmetrically arranged power reception portion of at least two to be meshed with the engaging section of the driving head of image forming apparatus；The driving auxiliary section matched with photosensitive drums；Connect the power transfering part in the power reception portion and the driving auxiliary section；The driving force receiving unit is engaged in a manner of by two symmetrically arranged power reception portions, the minimum value L of any point-to-point transmission wire length meets D/2≤L≤D+H in the view field in the plane vertical with handle box installation direction with driving head, wherein, D is maximum outside diameter of the driving head perpendicular to driving head rotation axis, and H is the height for the driving head contoured surface outermost point that driving head engaging section protrudes from engaging section installation site.The present invention can reliablely and stablely realize that driving force is transmitted, and it is smooth to guarantee that handle box falls machine/taking-up.
Description
Technical field
The present invention relates to the handle boxes used in laser printer, duplicator or facsimile machine with photosensitive drums, more
Body, it is related to the driving force receiving unit used in photosensitive drums in a kind of handle box.
Background technique
Such as laser printer, duplicator usually have a handle box, the processing in facsimile machine electrophotographic image forming
Box can take apart from electrophotographic image forming.Existing handle box mainly has following a few classes: photosensitive drums and developing apparatus,
Charging unit and cleaning device are co-located on integral box together and photosensitive drums and charging unit is set together, or sense
The bulging seperated box being set together with developing apparatus of light.Either integral type handle box or split type handle box, in photosensitive drums
End is both provided with the driving force receiving unit for the rotary driving force of receiving host driving head.
In the prior art, the handle box of some producer's productions uses the driving force receiving part of gimbal structure, but such
The higher cost of the driving force receiving part of structure；There are also the handle boxes of producer's production to use mechanical-assisted swing arm structure
Driving force receiving unit, cartridge with/take out during by axial stretching realization driving force receiving unit and host
The engagement and disengaging of driving head；Or swing rod is pushed using host door closure, keep driving force receiving unit axially retractable to realize
Driving force receiving unit and host driven head engage and disengaging, be packed into there are also the handle box of some producers production using strength or
Person's removal method engages driving force component with machine driving force component and is detached from effect.
Assist the mode for pushing swing rod dependent on the structure of machine using swing rod auxiliary telescopic mode or host door closure, it is compatible
Property it is bad, and it is not in place or take out difficult to there is a problem of falling machine；Using the handle box of loading or removal method by force, fall
It is not engaged there are driving part when certain angles are transferred to host driven head when machine and leads to problems such as to skid.Moreover, not
Pipe is the mode for assisting to push swing rod using swing rod auxiliary telescopic mode or host door closure, or strongly creates the processing for the mode torn open
Box, during handle box is packed into/splits out, driving head will be in contact with the driving claw of driving force receiving unit, if position
When inappropriate, it may appear that the driving claw of driving force receiving part engages the problems such as blocking with host driven head.
Summary of the invention
The object of the present invention is to provide a kind of stable structure, handle box fall machine it is smooth and can reliablely and stablely realize power transmit
The driving force receiving unit of effect.
To achieve the goals above, the present invention takes following technical solution:
Driving force receiving unit passes to sense for receiving the rotary force of image forming apparatus driving head, and by rotary force
Light drum, to drive photosensitive drums to rotate comprising: at least two pairs to be meshed with the engaging section of the driving head of image forming apparatus
Claim the power reception portion of setting；The driving auxiliary section matched with photosensitive drums；It connects the power reception portion and the driving is matched
The power transfering part in conjunction portion；The driving force receiving unit is with two symmetrically arranged power reception portions and handle box installation direction
The minimum value L of any point-to-point transmission wire length meets D/2≤L≤D+H mode and drive in view field in vertical plane
Dynamic head is engaged, wherein D is maximum outside diameter of the driving head perpendicular to driving head rotation axis, and H is prominent for driving head engaging section
In the height of the driving head contoured surface outermost point of engaging section installation site.
Further, the driving auxiliary section has the accommodating chamber being arranged along its axis, and the power transfering part is set to
In the accommodating chamber and top stretches out in outside the accommodating chamber；It is arranged between the power transfering part and the driving auxiliary section
There is apparatus for adjusting position, described apparatus for adjusting position one end is connected with the power transfering part, the other end and the driving cooperate
Portion is connected.
Further, the driving auxiliary section has an accommodating chamber along the setting of its axis, the power transfering part setting
It is stretched out in outside the accommodating chamber in the accommodating chamber and top；The gear end of handle box, which covers, is provided with apparatus for adjusting position,
The apparatus for adjusting position includes being set to swing rod that gear end covers by shaft, can rotating perpendicular to power transmission member
That moves in the plane of center line touches block, touches the connecting rod and the reset portion for resetting the connecting rod that block is connected with described
Part, the block that touches are located in the sliding slot of the swing rod；The connecting rod the swing rod and it is described touch block under the action of with it is dynamic
Power transfer part is in contact.
Further, the driving auxiliary section drives the photosensitive drums single direction rotation.
Further, the driving auxiliary section include the first department of assembly matched with the power transfering part and with sense
The second department of assembly that light drum matches；First department of assembly has the accommodating chamber being arranged along its axis, second department of assembly
Outwardly projecting fixed part is provided on outer wall, first department of assembly is set on second department of assembly, and described first
It is connected between department of assembly and second department of assembly by the face gear of one way engagement.
Further, it is provided with the unidirectional limiting section for protruding from its surface on the driving auxiliary section, is set in photosensitive drums
It is equipped with position elastic spacing portion corresponding with the unidirectional limiting section position, the elastic spacing portion makes the driving auxiliary section
Drive photosensitive drums single direction rotation.
Further, axial limiting component is provided in the input gear, the axial limiting component is set to driving
Between auxiliary section and input gear inner wall.
Further, axial force device is provided between the driving auxiliary section and photosensitive drums end.
Further, gear end cover be provided with limit adjustment device, on the power transfering part on be provided with
The retention bead that the limit adjustment device is in contact, the limit adjustment device, which is against in the retention bead, makes the power
The axis of transfer part is overlapped with the axis of photosensitive drums.
Further, be provided with bolt on the power transfering part, the bolt end protrude from power transfering part and its
Perpendicular to the axis of power transfering part, the connecting rod is in contact axis with the bolt.
From the above technical scheme, by the present invention in that two symmetrically arranged power reception portions are installed with handle box
The minimum value L of any point-to-point transmission wire length meets D/2≤L≤D+H in view field in the vertical plane in direction, so as to
To form space between power reception portion, driving head can smoothly be entered, power reception portion and driving head will not occur
The case where blocking, and can steadily carry out driving force transmitting.Further, by the way that apparatus for adjusting position is arranged, so that
After handle box installation, when will be contacted with driving head, so that at least two symmetrically arranged power reception portions are in specific
Position, be convenient for and the driving head cooperate.
Detailed description of the invention
It in order to illustrate the embodiments of the present invention more clearly, below will be to required use in embodiment or description of the prior art
Attached drawing do simple introduction, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is when the driving force receiving unit of the embodiment of the present invention one is assembled together with gear end cap and input gear
Structural schematic diagram；
Fig. 2 is the structural schematic diagram of the driving force receiving unit of embodiment one；
Fig. 3 is the decomposition texture schematic diagram of the driving force receiving unit of embodiment one；
Fig. 4 is the cross-sectional view of the driving auxiliary section of embodiment one；
Fig. 5 is the structural schematic diagram of the apparatus for adjusting position of embodiment one；
Fig. 6 is that the handle box of embodiment one does not complete schematic diagram when assembling with driving head；
Schematic diagram when Fig. 7 is the driving force receiving unit and unassembled driving head of embodiment one；
Schematic diagram when the driving force receiving unit and driving head assembly that Fig. 8 is embodiment one are completed；
Fig. 9 is the structural schematic diagram of the embodiment of the present invention two；
Figure 10 is the structural schematic diagram of the embodiment of the present invention three；
Figure 11 is the structural schematic diagram of the embodiment of the present invention four；
Figure 12 is the structural schematic diagram of the embodiment of the present invention five；
Figure 13 is the structural schematic diagram of the embodiment of the present invention six；
Figure 14 be the embodiment of the present invention seven driving force receiving unit without block when schematic diagram；
Figure 15 is the schematic diagram that the driving force receiving unit of embodiment seven is contacted with block；
Figure 16 is schematic diagram when again passing by block when the driving force receiving unit of embodiment seven takes out；
Figure 17 is the structural schematic diagram of the driving force receiving unit of the embodiment of the present invention eight.
A specific embodiment of the invention is described in more detail below in conjunction with attached drawing.
Specific embodiment
Embodiment one
Driving force receiving unit is used to receive the rotary force of driving head in image forming apparatus, and rotary force is passed to sense
Light drum, to drive photosensitive drums to rotate, which also passes to processing by being set to the input gear of photosensitive drums end simultaneously
Other rotary parts in box.As shown in Figure 1, Figure 2 and Figure 3, driving force receiving unit of the invention includes two arranged symmetrically
Power reception portion 1, power transfering part 2, driving auxiliary section 3 and apparatus for adjusting position.The driving auxiliary section 3 of the present embodiment is
Split type structure comprising the first department of assembly 3-1 matched with power transfering part 2 and the second dress matched with photosensitive drums
With portion 3-2, the second department of assembly of the present embodiment 3-2 is to match with the input gear 10 for being set to photosensitive drums end, but second fills
Can also directly it cooperate with photosensitive drums with portion 3-2, so that photosensitive drums are transmitted drive force to, to drive photosensitive drums to rotate.
Two symmetrically arranged power reception portions 1 are symmetrically disposed on power transfering part 2, and power reception portion 1 is along axial prominent
For power transfering part 2, power reception portion 1 forms from image and fills for fastening with the driving head in image forming apparatus
It sets and flanks receipts power.The rotation centerline (axis) of driving force receiving unit (power transfering part) is overlapped with the axis of photosensitive drums.
May include multipair symmetrically arranged power reception portion 1 in driving force receiving unit, between multipair power reception portion 1 with driving
When head engaging section is meshed, only the symmetrically arranged power reception portion 1 of one pair of them is selected to be meshed with driving head engaging section.
As a preferred embodiment of the present invention, the bottom in power reception portion 1 is spherical articulated section in the present embodiment
1-1, power reception portion 1 are articulated on power transfering part 2 by articulated section 1-1, and when stress, power reception portion 1 can turn around hinge
It is dynamic, so that driving force receiving unit and driving head can carry out the fine adjustment of position when being detached from, be more convenient for power reception portion and driving
Head is detached from.Meanwhile flexible resilient mounting 5 is provided between two power reception portions 1, the both ends difference of resilient mounting 5
It is connected with power reception portion 1, so that two power reception portions 1 is in a fixed state by the effect of its elastic force, when power connects
After receipts portion 1 is rotated and completes the disengaging with driving head around hinge, it can restore under the effect of the elastic force of resilient mounting 5 to original position.This
The resilient mounting 5 of embodiment uses metal clips, and the installation matched with power reception portion is machined at the both ends of metal clips
Hole, for two end caps of metal clips in power reception portion 1, power reception portion 1 passes through the mounting hole of metal clips end.Rebound dress
Setting can also be using spring or the flexible component such as rubber elastic slice or rubber ring, as long as reset can be provided for power reception portion
Active force.
A bolt 2-1 is provided on power transfering part 2, the bolt of the present embodiment is located at the middle and lower part of power transfering part, inserts
It sells 2-1 and passes through power transfering part 2 and its axis perpendicular to the axis (rotation centerline) of power transfering part 2.In addition, end is prominent
In power transfering part surface and axis perpendicular to power transfering part axis protrusion it can be appreciated that the another of bolt is realized
Mode.The apparatus for adjusting position of the present embodiment is torsional spring, and torsional spring 4 provides device as the pre-rotation power of power transfering part, is
The active force of power transfer part offer pre-rotation.4 one end of torsional spring is fixed on bolt 2-1 (that is, power transfering part), and the other end is solid
It is scheduled on driving auxiliary section 3.The present embodiment is provided with torsional spring fixed part 3-1b, one end of torsional spring in the first department of assembly lower part 3-1
Portion is fixed on torsional spring fixed part 3-1b.On the one hand the effect of bolt is used to receive to make the active force of power transfering part pre-rotation,
The active force provides device from pre-rotation power, on the other hand can also be used for limiting.The first department of assembly 3-1 of the present embodiment is tool
Have a cylindrical body along the accommodating chamber of its axis setting, power transfering part 2 be inserted in the accommodating chamber of the first department of assembly 3-1 and
Top stretches out in outside the first department of assembly 3-1, and power transfering part 2 can rotate in the first department of assembly 3-1 around the axis of its own.It turns round
4 sets of spring outside the first department of assembly 3-1.
First department of assembly 3-1 is set on the second department of assembly 3-2, between the first department of assembly 3-1 and the second department of assembly 3-2
It is connected by the face gear of one way engagement, i.e. the upper surface of the bottom surface of the first department of assembly and the second department of assembly is the tooth of one way engagement
Face, when first department of assembly's stress is rotated along scheduled driving direction of rotation, the meshing relation between the second department of assembly can band
Dynamic second department of assembly rotates together with (Fig. 8, Fig. 2), so that photosensitive drums be driven to rotate；When the first department of assembly rotates backward, with
It will appear slipping phenomenon between second department of assembly, be then unable to drive the second department of assembly and rotate together with, to realize that photosensitive drums can only
The purpose of single direction rotation.
A pair of outwardly projecting fixed part 3-2a is provided on second department of assembly's 3-2 outer wall, be provided in input gear with
The mounting groove (not shown) of fixed part 3-2a cooperation, when driving auxiliary section 3 is mounted in input gear 10, fixed part 3-2a setting
In in the mounting groove in input gear, it is fixed together to be assembled with input gear, it can band when the second department of assembly 3-2 rotation
Dynamic input gear (photosensitive drums) rotate together.When the second department of assembly and photosensitive drums directly cooperate, mounting groove may be disposed at photosensitive
On drum inner wall of end, driving auxiliary section is mounted in photosensitive drums end, and fixed part is set in mounting groove, to match with photosensitive drums
It is fixed together, drives photosensitive drums to rotate together when the rotation of the second department of assembly.
As a preferred embodiment, the present embodiment is corresponding with the position bolt 2-1 on first department of assembly's 3-1 peripheral wall
Place is machined with circumferentially arranged through slot, and the end wall of through slot constitutes the rotary stopper portion 3-1a of the present embodiment.The both ends of bolt 2-1
It is pierced by through slot and stretches out in except the first department of assembly 3-1, when power transfering part 2 is along own axis, bolt 2-1 can be logical
Mobile a distance can not continue due to being limited by end wall 3-1a when bolt 2-1 arrives to the end wall 3-1a of through slot in slot
It is mobile, so that power transfering part 2 can push the first department of assembly 3-1 to rotate together.
Driving force receiving unit is assemblied on input gear 10 by gear end cap 11 and pressure ring 12, and input gear 10 is installed
In the end of photosensitive drums.Pressure ring 12 is used as axial limiting component, be assemblied in the first department of assembly top 3-1 and input gear 10 it
Between, bolt is located at 12 lower section of pressure ring, by the movement of the first department of assembly of limitation in the axial direction, prevents driving force receiving unit axial
Abjection.Further, axial force device 6, this reality are provided between driving auxiliary section 3 and photosensitive drums (input gear 10)
The axial force device 6 for applying example is spring, is located at (the driving auxiliary section 3) bottom the second department of assembly 3-2 and input gear 10
Between end wall (Fig. 4), axial force device 6 can make driving force receiving unit generate axial displacement along photosensitive drums axis.It is axial
Force device 6 or the flexible component such as elastic slice or rubber spring or rubber ring.
With reference to the accompanying drawing to the engagement process of the driving head of driving force receiving unit of the present invention and image forming apparatus into
Row explanation.Referring to figure 6 and figure 7, a pair of radially projecting engaging section 100a is provided on the driving head 100 of image forming apparatus,
Engaging section 100a carries out the transmitting of driving force, the diameter of driving head 100 after engaging with the power reception portion 1 of driving force receiving unit
It is H for D, engaging section the 100a height for protruding from driving head side, a in Fig. 7 is the rotation axis of driving head 100 perpendicular to paper
The projection (forming the rotation center that driving head is projected in paper plane) of plane, b is the rotation axis in power power transmission portion 2 perpendicular to paper
The projection (forming the rotation center that power transmission part is projected in paper plane) of plane.When handle box (driving force receiving unit) is being fallen
When entering machine and will contact with driving head 100, power transfering part 2 of the invention is not by other external force, only position
Regulating device applies the active force for making its pre-rotation to power transfering part 2, and the apparatus for adjusting position of the present embodiment is using torsional spring etc.
Flexible component applies active force on power transfering part, keeps power transfering part 2 by itself putting aside revolution potential energy
In a certain predetermined position, handle box is fallen into state when machine rear-guard power reception component is in the predetermined position and is defined as not
Assembled state.When driving force receiving unit is in unassembled state, two power reception portions 1 are vertical with handle box installation direction
Plane s on view field be not overlapped (no intersection, non-overlapping part), and two power reception portions 1 are installed with handle box
The minimum value L of wire length meets between any two points in view field on the vertical plane s in direction: D/2≤L≤D+H exists
Wire length between any point in any point and another view field on same projection plane in a view field
Minimum value L meets: D/2≤L≤D+H.Wherein, D is maximum outside diameter of the driving head perpendicular to driving head rotation axis, and H is driving
Head engaging section protrudes from the height of the driving head contoured surface outermost point of engaging section installation site.
By applying the active force for rotating it to power transfering part 2, keep power transfering part scheduled in one
Position, driving head 100 can smoothly enter between two power reception portions 1 when handle box is installed, will not be by power receiving unit
It blocks.View field of the driving force receiving unit with two power reception portions 1 on the plane s vertical with handle box installation direction
It is not overlapped and the minimum value L of any point-to-point transmission wire length meets D/2≤L≤D+H mode and driving head in two view fields
Be engaged, it is described herein be engaged refer to that handle box is packed into image forming apparatus after, driving force receiving unit will be with
State when driving head contacts, driving head and driving force receiving unit are engaged together not yet at this time.
After handle box is packed into, driving head 100 first voluntarily turns an angle, as shown in figure 8, with driving head
The engaging section 100a of 100 rotation, driving head is in contact with power reception portion 1, and is fastened togather, at this time driving head and driving
The assembly of power receiving unit is completed；When driving head 100 continues to rotate, it just will drive power transfering part 2 and rotate together, at this time power
Bolt 2-1 in transfer part 2 can also be rotated with power transfering part, until the bolt 2-1 on power transfering part 2 is moved to rotation
Turn at limiting section 3-1a, power transfering part 2 is further driven to driving auxiliary section 3 and rotates, and the rotary driving force of driving head is transmitted
To photosensitive drums, photosensitive drums rotation is driven by driving force receiving unit to realize.
Bolt is set to fix torsional spring, but torsional spring can also be directly anchored on power transfering part 2 in the present embodiment, as long as
Realization can provide the active force of pre-rotation for power transfering part, and two power reception portions 1 is made to hang down with handle box installation direction
View field on straight plane s be not overlapped and in two view fields the minimum value L of any point-to-point transmission wire length meet D/2≤
L≤D+H.Other than it can use apparatus for adjusting position of the torsional spring as offer rotary force, elastic slice, rubber can also be used
Other elastic components such as circle.Power transfering part is in the case where only being applied active force by apparatus for adjusting position, driving force reception group
The power reception portion of part can form the space passed through for driving head during engaging with driving head, and driving head will not
Situations such as being blocked during this with driving force receiving unit, so that it is smooth to guarantee that handle box falls machine.
Referring to Fig. 5, further, the present embodiment further includes limit adjustment device 7, and limit adjustment device 7 is to be fixed on tooth
The circlip on end cap 11 is taken turns, one end of circlip is against on the side wall of gear end cap.It is provided with and is protruded from outside it on power transfering part 2
The retention bead 2-2 of wall, the other end of circlip are against on the retention bead 2-2 of power transfering part 2, adjust device tune by limit
Position between whole power transfering part and photosensitive drums axis.Retention bead 2-2 includes the first surface s1 supported with circlip and with
Connected second surface s2, first surface and second surface are connected with the side of power transfering part at the top of one surface s1, and first
When surface s1 is the front of retention bead, then second surface s2 is the back side of retention bead.First surface s1 is limit support surface,
First surface s1 being arranged radially along power transfering part 2 of the present embodiment, second surface s2 are an inclined-plane, are pushed up from first surface s1
Portion's inclination extends.One end of circlip 7 is connected on the first surface s1 of retention bead 2-2, can avoid the axis of power transfering part 2
Deviate the axis of photosensitive drums；When power transfering part 2 rotates, since second surface s2 is inclined-plane, circlip end can be along the second table
Face s2 is passed through, and will not be stuck.
Embodiment two
As shown in figure 9, direction shown in arrow is scheduled rotation driving direction in Fig. 9.The present embodiment and embodiment one are not
Same place is: the limit adjustment device 7 of the present embodiment is the elastic swing arm that one end is fixed on gear end cap 11, and elasticity is put
Arm is made of flexible material, such as metal clips or rubber bodies etc..It is provided on power transfering part 2 and protrudes from its outer wall
Retention bead 2-2, the retention bead 2-2 of the present embodiment is ladder along the cross sectional shape perpendicular to power transfering part axis direction
Shape, but may be rectangle.Between the axis a2 and retention bead central point and power transfering part rotation centerline of elastic swing arm
Angle of the line a3 on power transfering part direction of rotation is greater than 0 degree, less than 90 degree.One end of elastic swing arm is fixed on gear end
On lid 11, in 2 rotary course of power transfering part, when retention bead 2-2 passes through elastic swing arm, elastic swing arm is limited raised 2-
2 push up outward, so that retention bead 2-2 can pass through elastic swing arm, after retention bead 2-2 leaves elastic swing arm, elastic swing arm
It sets back under own resilient effect.When power transfering part 2 stops rotating, the free end of elastic swing arm is against retention bead
On 2-2, it is limited.
Embodiment three
As shown in Figure 10, direction shown in arrow is scheduled rotation driving direction in Figure 10.The present embodiment and embodiment two
Different places are that limit adjustment device includes rotary swinging arm 7 and an elastic component 7a, and rotary swinging arm is articulated with gear end cap
On 11, and can be rotated around hinge, elastic component 7a is set between rotary swinging arm and gear end cap sidewalls, respectively with rotary swinging arm
And gear end cap sidewalls are connected.Company between the axis and retention bead central point and power transfering part rotation centerline of rotary swinging arm
Angle of the line on power transfering part direction of rotation is greater than 0 degree, less than 90 degree.Power transfering part 2 is in rotary course, limit convex
When playing 2-2 by rotary swinging arm, rotary swinging arm can be limited raised 2-2 and push up outward, so that retention bead 2-2 can pass through rotation
Switch arm, when power transfering part 2 is after rotary swinging arm, rotary swinging arm return under the action of elastic component 7a.When power passes
When passing portion 2 and stopping rotating, the free end of rotary swinging arm is against on retention bead 2-2, is limited to it.
Example IV
As shown in figure 11, direction shown in arrow is scheduled rotation driving direction in Figure 11.The present embodiment and embodiment one
Different places are: the driving auxiliary section 3 of the present embodiment is an integral structure, and is provided with and is protruded from driving auxiliary section 3
The unidirectional limiting section 3a on its surface, the present embodiment are provided with a pair of unidirectional limiting section 3a being arranged symmetrically on driving auxiliary section 3.
Position elastic spacing portion corresponding with the position unidirectional limiting section 3a on auxiliary section 3 is driven is provided in input gear 10
10a, elastic spacing portion 10a are articulated on the mounting portion 10c of 10 inner wall of input gear, and elastic spacing portion 10a can turn around its hinge
It is dynamic, elastic component 10b is provided between elastic spacing portion 10a and mounting portion 10c, the elastic force of elastic component 10b acts on elastic limit
On position portion 10a, it is made to be in contact with mounting portion 10c.Moving direction when elastic spacing portion 10a is close to mounting portion 10c and predetermined
Driving direction of rotation it is consistent, moving direction when elastic spacing portion 10a is far from mounting portion 10c and scheduled driving direction of rotation
On the contrary.
Mounting portion 10c protrudes from the inner wall of input gear 10, when driving auxiliary section 3 turns along scheduled driving direction of rotation
It moves and goes to when unidirectional limiting section 3a being made to be in contact with elastic spacing portion 10a, unidirectional limiting section 3a can be by elastic spacing portion 10a
And mounting portion 10c stops, so that input gear 10 be driven to rotate together；And when driving auxiliary section 3 is not by the rotation of driving direction of rotation
When turning (reverses rotation) and going to unidirectional limiting section 3a and be in contact with elastic spacing portion 10a, unidirectional limiting section 3a can be by elastic limit
Position portion 10a is opened, and makes it away from mounting portion 10c, so that unidirectional limiting section 3a can be by elastic spacing portion 10a, when unidirectional limit
After position portion 3a leaves, elastic spacing portion 10a returns to original position under the elastic force effect of elastic component 10b, drives auxiliary section 3 cannot at this time
Drive input gear 10 rotate together with, realize photosensitive drums can only single direction rotation purpose.
Embodiment five
As shown in figure 12, the present embodiment place different from example IV is: the elastic spacing portion 10a of the present embodiment can
It is reciprocatingly set in input gear 10 along 10 radial direction of input gear.It is provided in input gear 10 and radially to arrange
Mounting portion 10c, elastic spacing portion 10a are set on mounting portion 10c, and (interior) can be moved radially on mounting portion 10c, elasticity
Part 10b is set between elastic spacing portion and mounting portion 10c bottom wall (or input gear inner wall).The freedom of elastic spacing portion 10a
End has the bearing surface s3 being in contact with the unidirectional limiting section 3a on driving auxiliary section 3, and the top being connected with bearing surface s3
Hold inclined-plane s4, when bearing surface s3 is the front of 10 free end of elastic spacing portion, top inclined-plane s4 be then elastic spacing portion 10 from
By the back side of end.Inclined-plane s4 in top can be plane or cambered surface.Elastic spacing portion move back and forth direction and top inclined-plane s4 it
Between along it is predetermined driving direction of rotation on angle less than 90 °.
When driving auxiliary section 3 to rotate about the axis thereof along predetermined driving direction of rotation, unidirectional limiting section 3a and bearing surface s3
It is in contact, to be blocked by elastic spacing portion 10a, allows to that input gear 10 is driven to rotate together；When driving auxiliary section 3 not
When rotating about the axis thereof along predetermined driving direction of rotation (reverse rotation), unidirectional limiting section 3a is in contact with top inclined-plane s4, single
It can continue to rotate along top inclined-plane s4 to limiting section 3a, so that elastic spacing portion 10a be pressed to input gear inner wall direction, make
Elastic spacing portion 10a can pass through elastic spacing portion 10a close to input gear inner wall, and unidirectional limiting section 3a leaves elasticity
After limiting section 10a, elastic spacing portion 10a moves return to the direction far from input gear inner wall under the action of elastic component 10b,
At this time driving auxiliary section 3 input gear 10 cannot be driven to rotate together with, realize photosensitive drums can only single direction rotation purpose.
Embodiment six
As shown in figure 13, the present embodiment place different from example IV is: the elastic spacing portion 10a of the present embodiment is
Elastic arm, one end of elastic spacing portion 10a are connected on 10 inner wall of input gear, in elastic spacing portion 10a and input gear
Elastic component 10b is provided between wall.The unidirectional limiting section 3a for protruding from its surface is provided on driving auxiliary section 3.Elasticity limit
The line a4 of contact point B and driving 3 centreline space of auxiliary section between position portion 10a and unidirectional limiting section 3a and the axis of elastic arm
Angle between a5 on reversed is less than 100 degree.Reversely referring to here is opposite with predetermined driving direction of rotation.
It is single when driving auxiliary section 3 to rotate about the axis thereof along predetermined driving direction of rotation (direction shown in arrow in Figure 13)
It is in contact to limiting section 3a with elastic arm, to be blocked by elastic arm, allows to that input gear 10 is driven to rotate together；Work as drive
When dynamic auxiliary section 3 is not rotated about the axis thereof along predetermined driving direction of rotation (reverse rotation), unidirectional limiting section 3a can be by elastic arm
It presses, is opened to input gear inner wall direction, so that unidirectional limiting section 3a can be continued to rotate, unidirectional limiting section 3a leaves elasticity
After arm, elastic arm, to the mobile return in the direction far from input gear inner wall, drives auxiliary section under the action of elastic component 10b at this time
3 cannot drive input gear 10 to rotate together with, realize photosensitive drums can only single direction rotation purpose.
Embodiment seven
As shown in figure 14, the present embodiment place different from embodiment one is: not having on the power transfering part of the present embodiment
There is setting torsional spring, apparatus for adjusting position is the swing rod linkage mechanism being set on gear end cap 11, and swing rod linkage mechanism includes pendulum
Bar 4-1, connecting rod 4-2, reset components 4-3, block 4-4 and shaft 4-5 is touched.Swing rod 4-1 is set to gear end cap by shaft 4-5
On 11, swing rod 4-1 4-5 can be rotated around the shaft.Sliding slot 4-1a is provided on swing rod 4-1.It touches block 4-4 to be connected with connecting rod 4-2, touch
Contact block 4-4 can be moved in the plane perpendicular to power transmission member rotation centerline, touched block 4-4 while being also located at swing rod 4-
In sliding slot 4-1a on 1.The block 4-4 that touches of the present embodiment is located at the guide rail or guide groove (not shown) being provided on gear end cap 11
It is interior, and can be moved back and forth along guide rail or guide groove, guide rail or guide groove can be linear or arc.Reset components 4-3 is torsional spring, is turned round
One end of spring is fixed on gear end cap 11, the other end is connected with swing rod 4-1, for making connecting rod 4-2 return.
As shown in figure 15, when handle box is installed, swing rod 4-1 can encounter the block 200 on machine, and by 200 institute of block
Stop, as handle box moves in assembly direction, 4-5 is rotated swing rod 4-1 around the shaft due to by the blocking of block 200, and is pushed
It is mobile to touch block 4-5, drives connecting rod 4-2 to move along the installation direction of handle box when touching block 4-5 movement, to make connecting rod 4-2
It is in contact with the bolt 2-1 on power transfering part 2, and as the mobile propulsion power transfer part 2 of connecting rod 4-2 is around own axes rotation
Turn, so that view field of two power reception portions in the plane vertical with handle box installation direction is not overlapped, and two dynamic
The minimum value L of power receiving unit any point-to-point transmission wire length in the view field in the plane vertical with handle box installation direction
Meet: D/2≤L≤D+H.
As shown in figure 16, when taking out handle box, swing rod 4-1 can also encounter the block 200 on machine, with handle box
It is moved along removing direction, 4-5 is rotated swing rod 4-1 around the shaft, and rotation direction when rotation direction and installation at this time is on the contrary, simultaneously same
When push that touch block 4-5 mobile, to drive connecting rod to move along the place to go direction of handle box, at this point, smoothly handle box can be taken out.
Embodiment eight
As shown in figure 17, the present embodiment place different from embodiment seven is: the reset components 4-3 of the present embodiment is to draw
Spring, one end of tension spring is fixed on gear end cap 11, the other end is connected with connecting rod 4-2, the axis and connecting rod 4- of reset components 4-3
2 axis is parallel.When swing rod 4-1 4-5 rotation around the shaft, connecting rod can be driven by the block 4-4 that touch being located in its sliding slot 4-1a
4-2 is translatable along the installation direction (direction shown in filled arrows in Figure 17) of handle box, to make connecting rod 4-2 and power transfering part 2
On bolt 2-1 be in contact so that two projected areas of two power reception portions in the plane vertical with handle box installation direction
The minimum value L of any point-to-point transmission wire length meets on domain: D/2≤L≤D+H.
The present invention passes through setting apparatus for adjusting position, so that after handle box installation, when will be contacted with driving head, power
Receiving unit is in specific position, and two power reception portions are in the plane vertical with handle box installation direction at this location
View field is not overlapped, and two power reception portions are any in the view field in the plane vertical with handle box installation direction
The minimum value L of point-to-point transmission wire length meets: D/2≤L≤D+H, so as to form space between power reception portion, allows drive
Dynamic head can smoothly enter, will not there is a situation where power reception portions to block with driving head, and can steadily be driven
Power transmitting.
Various pieces are described in a progressive manner in this specification, and what each some importance illustrated is and other parts
Difference, same or similar part may refer to each other between various pieces.Syntagmatic between these components is simultaneously
More than form disclosed in embodiment, the foregoing description of the disclosed embodiments enable professional and technical personnel in the field
It realizes or uses the present invention.Various modifications to these embodiments will be apparent for those skilled in the art
, the general principles defined herein can without departing from the spirit or scope of the present invention, in other embodiments
Middle realization.Therefore, the present invention is not intended to be limited to embodiment illustrated herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (10)
1. driving force receiving unit, for receiving the rotary force of image forming apparatus driving head, and rotary force passed to photosensitive
Drum, to drive photosensitive drums to rotate comprising:
The symmetrically arranged power reception portion of at least two to be meshed with the engaging section of the driving head of image forming apparatus；
The driving auxiliary section matched with photosensitive drums；
Connect the power transfering part in the power reception portion and the driving auxiliary section；
It is characterized by:
The driving force receiving unit is with two symmetrically arranged power reception portions in the plane vertical with handle box installation direction
On view field on the minimum value L of any point-to-point transmission wire length meet D/2≤L≤D+H mode and nibbled with driving head
It closes, wherein D is maximum outside diameter of the driving head perpendicular to driving head rotation axis, and H is that driving head engaging section protrudes from engaging section peace
The height of the driving head contoured surface outermost point of holding position.
2. driving force receiving unit as described in claim 1, it is characterised in that: the driving auxiliary section has to be set along its axis
The accommodating chamber set, the power transfering part is set in the accommodating chamber and top stretches out in outside the accommodating chamber；
Apparatus for adjusting position, described apparatus for adjusting position one end are provided between the power transfering part and the driving auxiliary section
It is connected with the power transfering part, the other end is connected with the driving auxiliary section.
3. driving force receiving unit as described in claim 1, it is characterised in that: the driving auxiliary section is with one along its axis
The accommodating chamber of setting, the power transfering part is set in the accommodating chamber and top stretches out in outside the accommodating chamber；
The gear end of handle box, which covers, is provided with apparatus for adjusting position, and the apparatus for adjusting position includes being set to tooth by shaft
Wheel end cap on swing rod, can be moved in the plane perpendicular to power transmission member rotation centerline touch block, touched with described
Reset components contact block connected connecting rod and reset the connecting rod, the block that touches are located in the sliding slot of the swing rod；
The connecting rod the swing rod and it is described touch block under the action of be in contact with power transfering part.
4. driving force receiving unit according to claim 2 or 3, it is characterised in that: described in the driving auxiliary section driving
Photosensitive drums single direction rotation.
5. driving force receiving unit as claimed in claim 2 or claim 3, it is characterised in that: the driving auxiliary section include with it is described
The first department of assembly that power transfering part matches and the second department of assembly matched with photosensitive drums；
First department of assembly has the accommodating chamber being arranged along its axis, is provided with and protrudes outward on second department of assembly outer wall
Fixed part, first department of assembly is set on second department of assembly, first department of assembly and second assembly
It is connected between portion by the face gear of one way engagement.
6. driving force receiving unit as claimed in claim 2 or claim 3, it is characterised in that: be provided on the driving auxiliary section prominent
For the unidirectional limiting section on its surface, position elastic limit corresponding with the unidirectional limiting section position is provided in photosensitive drums
Position portion, the elastic spacing portion make the driving auxiliary section driving photosensitive drums single direction rotation.
7. driving force receiving unit as claimed in claim 2 or claim 3, it is characterised in that: the end of the photosensitive drums is provided with defeated
Enter gear, be provided with axial limiting component in the input gear, the axial limiting component is set to driving auxiliary section and defeated
Enter between gear inner wall.
8. driving force receiving unit as claimed in claim 2 or claim 3, it is characterised in that: the driving auxiliary section and photosensitive drums end
Axial force device is provided between portion.
9. driving force receiving unit as claimed in claim 2 or claim 3, it is characterised in that: covered in gear end and be provided with limit tune
Engagement positions, are provided with the retention bead being in contact with the limit adjustment device on the power transfering part, and the limit is adjusted
Engagement positions, which are against in the retention bead, is overlapped the axis of the power transfering part with the axis of photosensitive drums.
10. driving force receiving unit as claimed in claim 3, it is characterised in that: it is provided with bolt on the power transfering part,
The bolt end protrudes from power transfering part and axis of its axis perpendicular to power transfering part, the connecting rod and the bolt
It is in contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610807068.XA CN106444316B (en) | 2016-09-06 | 2016-09-06 | Driving force receiving unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610807068.XA CN106444316B (en) | 2016-09-06 | 2016-09-06 | Driving force receiving unit |
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| Publication Number | Publication Date |
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| CN106444316A CN106444316A (en) | 2017-02-22 |
| CN106444316B true CN106444316B (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610807068.XA Active CN106444316B (en) | 2016-09-06 | 2016-09-06 | Driving force receiving unit |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2017271569B2 (en) | 2016-05-27 | 2020-05-14 | Zhuhai Un-Tern Imaging Products Co., Ltd | Driving force reception assembly and processing box using assembly |
| KR102354074B1 (en) * | 2017-12-13 | 2022-01-24 | 캐논 가부시끼가이샤 | Cartridges and image forming devices |
| CN108107697A (en) * | 2018-01-26 | 2018-06-01 | 珠海天威飞马打印耗材有限公司 | Handle box and its driving force transfer unit |
| CN108089424A (en) * | 2018-01-26 | 2018-05-29 | 珠海天威飞马打印耗材有限公司 | Handle box |
| WO2019170017A1 (en) * | 2018-03-06 | 2019-09-12 | 纳思达股份有限公司 | Processing cartridge |
| CN110231761A (en) * | 2018-03-06 | 2019-09-13 | 纳思达股份有限公司 | Handle box |
| CN110275417A (en) * | 2018-03-14 | 2019-09-24 | 珠海天威飞马打印耗材有限公司 | Handle box and image forming |
| CN108469722B (en) * | 2018-04-16 | 2024-03-15 | 中山润宏电子科技有限公司 | Driving assembly of toner cartridge |
| CN110737184A (en) * | 2018-07-20 | 2020-01-31 | 卢敬坤 | Processing box |
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| CN104516224A (en) * | 2013-09-29 | 2015-04-15 | 珠海凯威置业有限公司 | Rotation force drive assembly and processing box |
| 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 |
| CN206075004U (en) * | 2016-09-06 | 2017-04-05 | 珠海联合天润打印耗材有限公司 | A kind of driving force receiving unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015041088A (en) * | 2013-08-23 | 2015-03-02 | 三菱化学株式会社 | End part member, photoreceptor drum unit and process cartridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104516224A (en) * | 2013-09-29 | 2015-04-15 | 珠海凯威置业有限公司 | Rotation force drive assembly and processing box |
| 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 |
| CN206075004U (en) * | 2016-09-06 | 2017-04-05 | 珠海联合天润打印耗材有限公司 | A kind of driving force receiving unit |
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| CN106444316A (en) | 2017-02-22 |
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